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Hemolytic Transfusion Reactions Due to Lea and Leb Antibodies. Lea 和 Leb 抗体导致的溶血性输血反应。
IF 1.1 4区 医学 Q4 MEDICAL LABORATORY TECHNOLOGY Pub Date : 2024-09-01
Hai-Yan Li, Li-Jun Li, Deng-Shan Yang, Xue-Jun Liu

A 20-year-old pregnant woman at 12 week gestation with a history of thalassemia was admitted to the hospital with Hb 60g/L. She received two transfusions of 2 units of negative crossmatched washed red blood cells (RBCs) each, but shortly after she experienced a transfusion reaction. Symptoms included chest tightness, dyspnea, chills, and soy sauce colored urine. A post-transfusion specimen was sent to the blood type reference laboratory (BTRL) for investigation, which revealed the presence of anti-Lea and anti-Leb antibodies causing the immediate acute hemolytic transfusion reaction; interestingly, the patient's Lea antibody was found to be IgM, while the Leb antibody was both IgM and IgG. This combination of antibodies is rare and highlights the potential for clinically insignificant Lewis cold antibodies to cause serious reactions. It is important to not overlook these antibodies and to select antigen-negative units rather than relying solely on blood crossmatching. The use of polybrene in crossmatching blood tests may have limitations in the presence of Lewis antibodies, so alternative methods should be considered in difficult cases to ensure safe and effective transfusions. This case emphasizes the need for thorough testing and careful selection of blood products to reduce the risk of transfusion reactions and improve overall transfusion safety.

一名妊娠 12 周、患有地中海贫血病的 20 岁孕妇入院时血红蛋白为 60g/L。她接受了两次输血,每次 2 个单位的阴性交叉配型洗涤红细胞(RBC),但不久后她就出现了输血反应。症状包括胸闷、呼吸困难、发冷和尿液呈酱油色。输血后的标本被送往血型参考实验室(BTRL)进行检查,结果显示存在抗Lea和抗Leb抗体,导致了急性输血反应;有趣的是,患者的Lea抗体是IgM,而Leb抗体同时是IgM和IgG。这种抗体组合非常罕见,凸显了临床上微不足道的路易斯冷抗体可能会导致严重反应。重要的是不要忽视这些抗体,并选择抗原阴性的单位,而不是仅仅依靠血液交叉配血。在存在路易斯抗体的情况下,交叉配血试验中使用的聚苯乙烯可能存在局限性,因此在疑难病例中应考虑使用其他方法,以确保安全有效的输血。本病例强调了彻底检测和谨慎选择血液制品的必要性,以降低输血反应的风险,提高整体输血安全性。
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引用次数: 0
Application of IdyllaTM System for Rapid Evaluation of EGFR Mutation Status in Formalin-Fixed and Paraffin-Embedded Samples of Non-Small Cell Lung Cancer. 应用 IdyllaTM 系统快速评估非小细胞肺癌福尔马林固定和石蜡包埋样本中的表皮生长因子受体突变状态。
IF 1.1 4区 医学 Q4 MEDICAL LABORATORY TECHNOLOGY Pub Date : 2024-09-01
Yun-Jian Xu, Hui Wang, Ting Zhang

Objective: In approximately 80% of the patients with advanced non-small cell lung cancer (NSCLC), the only samples available are cytological material or a limited amount of tissue specimens. Therefore, we aimed to explore the effect of the Idylla™ system for rapid evaluation of epidermal growth factor receptor (EGFR) mutation status in formalin-fixed and paraffin-embedded (FFPE) samples of NSCLC patients.

Methods: A total of 221 archived FFPE NSCLC tissue specimens were included in this study. Idylla™ system and amplification refractory mutation system-polymerase chain reaction (ARMS-PCR) were used to detect the EGFR mutation status. The Idylla™ system results and ARMS-PCR results were compared. When results were discordant, the Idylla™ system would be retested, and a third analysis method was performed to confirm test results when possible.

Results: Among the 220 valid results of the Idylla™ system, the Idylla™ identified EGFR mutations in 109 cases with an incidence of mutation of 49.55%. The Idylla™ assay results were in complete agreement with the results of the reference methods for 207 cases, yielding an overall accordance of 94.09% (207/220, 95% CI, 90.11%-96.82%). Consequently, the overall concordance with routine reference methods, including further analysis, was found to be 96.81% (213/220, 95% CI: 93.28%-98.60%), with a negative percentage agreement of 97.3% (108/111, 95% CI: 91.72%-99.30%) and a positive percentage agreement of 96.33% (105/109, 95% CI: 90.32%-98.81%).

Conclusion: The Idylla™ system is a rapid and effective method that enables sensitive and reliable detection of EGFR mutations in FFPE samples of NSCLC patients, with minimal molecular expertise or infrastructure.

研究目的约 80% 的晚期非小细胞肺癌(NSCLC)患者只能获得细胞学材料或数量有限的组织标本。因此,我们旨在探索 Idylla™ 系统对快速评估 NSCLC 患者福尔马林固定和石蜡包埋(FFPE)样本中表皮生长因子受体(EGFR)突变状态的效果:本研究共纳入221份存档的FFPE NSCLC组织标本。采用Idylla™系统和扩增难治性突变系统聚合酶链反应(ARMS-PCR)检测表皮生长因子受体突变状态。对 Idylla™ 系统结果和 ARMS-PCR 结果进行比较。当结果不一致时,将重新检测 Idylla™ 系统,并尽可能采用第三种分析方法确认检测结果:结果:在Idylla™系统的220个有效结果中,Idylla™确定了109个病例的表皮生长因子受体突变,突变发生率为49.55%。Idylla™ 检测结果与 207 例参考方法的结果完全一致,总符合率为 94.09%(207/220,95% CI,90.11%-96.82%)。因此,与常规参考方法(包括进一步分析)的总体一致性为 96.81%(213/220,95% CI:93.28%-98.60%),负百分比一致性为 97.3%(108/111,95% CI:91.72%-99.30%),正百分比一致性为 96.33%(105/109,95% CI:90.32%-98.81%):Idylla™系统是一种快速、有效的方法,只需极少的分子专业知识或基础设施,就能灵敏、可靠地检测NSCLC患者FFPE样本中的表皮生长因子受体突变。
{"title":"Application of Idylla<sup>TM</sup> System for Rapid Evaluation of <i>EGFR</i> Mutation Status in Formalin-Fixed and Paraffin-Embedded Samples of Non-Small Cell Lung Cancer.","authors":"Yun-Jian Xu, Hui Wang, Ting Zhang","doi":"","DOIUrl":"","url":null,"abstract":"<p><strong>Objective: </strong>In approximately 80% of the patients with advanced non-small cell lung cancer (NSCLC), the only samples available are cytological material or a limited amount of tissue specimens. Therefore, we aimed to explore the effect of the Idylla™ system for rapid evaluation of epidermal growth factor receptor (<i>EGFR</i>) mutation status in formalin-fixed and paraffin-embedded (FFPE) samples of NSCLC patients.</p><p><strong>Methods: </strong>A total of 221 archived FFPE NSCLC tissue specimens were included in this study. Idylla™ system and amplification refractory mutation system-polymerase chain reaction (ARMS-PCR) were used to detect the <i>EGFR</i> mutation status. The Idylla™ system results and ARMS-PCR results were compared. When results were discordant, the Idylla™ system would be retested, and a third analysis method was performed to confirm test results when possible.</p><p><strong>Results: </strong>Among the 220 valid results of the Idylla™ system, the Idylla™ identified <i>EGFR</i> mutations in 109 cases with an incidence of mutation of 49.55%. The Idylla™ assay results were in complete agreement with the results of the reference methods for 207 cases, yielding an overall accordance of 94.09% (207/220, 95% CI, 90.11%-96.82%). Consequently, the overall concordance with routine reference methods, including further analysis, was found to be 96.81% (213/220, 95% CI: 93.28%-98.60%), with a negative percentage agreement of 97.3% (108/111, 95% CI: 91.72%-99.30%) and a positive percentage agreement of 96.33% (105/109, 95% CI: 90.32%-98.81%).</p><p><strong>Conclusion: </strong>The Idylla™ system is a rapid and effective method that enables sensitive and reliable detection of <i>EGFR</i> mutations in FFPE samples of NSCLC patients, with minimal molecular expertise or infrastructure.</p>","PeriodicalId":8228,"journal":{"name":"Annals of clinical and laboratory science","volume":"54 5","pages":"652-660"},"PeriodicalIF":1.1,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142613775","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Downregulation of microRNA-129-2 by Hepatitis B Virus Promotes Cell Proliferation in Hepatocellular Carcinoma. 乙型肝炎病毒下调 microRNA-129-2 促进肝细胞癌细胞增殖
IF 1.1 4区 医学 Q4 MEDICAL LABORATORY TECHNOLOGY Pub Date : 2024-09-01
Laipeng Liu, Pingfeng Zhang, Sheng Sun, Chuanpei Cao, Zhi Song

Objective: MicroRNA-192-2 has been shown to have a role in the early diagnosis of hepatocellular carcinoma (HCC), but the relationship between microRNA-192-2 and hepatitis B virus (HBV) in HCC patients remains unclear.

Methods: Specimens were collected from 56 HCC patients diagnosed with HBV infection and 56 HCC patients without viral infection. HBV and miR-129-2 levels in HCC tissues, adjacent tissues, and cell lines were analyzed by RT‒PCR. miR-129-2 mimics were transfected to induce the overexpression of miR-129-2 and cell function was assessed by a wound healing test. Tumor formation experiments in nude mice were conducted to validate tumor proliferation.

Results: In HCC patients, miR-192-2 was significantly downregulated in tumor tissues compared to adjacent tissues. Notably, miR-192-2 level was even lower in HCC patients with HBV-infection than those without the viral infection. Moreover, there was a negative correlation between miR-192-2 and HBV levels. Regardless of HBV infection, patients with low miR-192-2 levels had poorer prognosis than those with high miR-192-2 levels. HBV infection suppressed miR-192-2 expression in HCC cell lines. Furthermore, overexpression of miR-192-2 significantly inhibited cell proliferation both in vitro and in vivo in the HBV-infected group.

Conclusion: Our study revealed that the expression of miR-192-2, a crucial tumor suppressor gene, was suppressed by the presence of HBV.

目的:微RNA-192-2已被证明在肝细胞癌(HCC)的早期诊断中发挥作用,但HCC患者体内的微RNA-192-2与乙型肝炎病毒(HBV)之间的关系仍不清楚:方法:从 56 例确诊感染 HBV 的 HCC 患者和 56 例未感染病毒的 HCC 患者中采集标本。通过 RT-PCR 分析了 HCC 组织、邻近组织和细胞系中的 HBV 和 miR-129-2 水平。转染 miR-129-2 模拟物以诱导 miR-129-2 的过表达,并通过伤口愈合试验评估细胞功能。在裸鼠体内进行肿瘤形成实验,以验证肿瘤的增殖情况:结果:在 HCC 患者中,与邻近组织相比,miR-192-2 在肿瘤组织中明显下调。值得注意的是,有 HBV 感染的 HCC 患者的 miR-192-2 水平甚至低于没有病毒感染的患者。此外,miR-192-2 与 HBV 水平呈负相关。无论是否感染 HBV,miR-192-2 水平低的患者预后都比 miR-192-2 水平高的患者差。HBV 感染抑制了 miR-192-2 在 HCC 细胞系中的表达。此外,在 HBV 感染组中,miR-192-2 的过表达能显著抑制体外和体内的细胞增殖:我们的研究表明,HBV 的存在抑制了重要的肿瘤抑制基因 miR-192-2 的表达。
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引用次数: 0
A Case of Hb Phnom Penh Showing Different HbA1c Levels Depending on the High-Performance Liquid Chromatography System. 金边 Hb 病例显示不同的 HbA1c 水平取决于高效液相色谱系统。
IF 1.1 4区 医学 Q4 MEDICAL LABORATORY TECHNOLOGY Pub Date : 2024-09-01
Masayuki Tojikubo, Takafumi Uchimura, Hidekazu Tamai, Masafumi Koga

The case of a 49-year-old man with Hb Phnom Penh whose HbA1c levels varied depending on the high-performance liquid chromatography (HPLC) system is presented. After the results of a health checkup showed a high HbA1c level of 7.6% measured by HPLC method, another HbA1c test measured by immunoassay at a local clinic showed a level of 5.2%. Given the discrepancy in HbA1c levels between assay methods, he visited our clinic. His fasting plasma glucose level was 95 mg/dL, but an oral glucose tolerance test showed diabetes mellitus. The mean plasma glucose level was 117 mg/dL on intermittently scanned continuous glucose monitoring (isCGM), giving an estimated HbA1c level of 5.9%. Based on the results of isCGM, the present case was considered to be not diabetes mellitus. The same specimen was assayed for HbA1c by various methods (systems), including HPLC with Tosoh G9, HPLC with Arkray HA-8180 and HA-8180T, affinity assay, and enzymatic assay, giving HbA1c levels of 7.3%, 4.9%, 5.0%, 5.4%, and 5.3%, respectively. A globin gene analysis diagnosed Hb Phnom Penh (α1-117Phe-Ile-α1-118Thr). The present case had a unique hemoglobin variant, resulting in high HbA1c levels when measured with Tosoh's HPLC systems and low HbA1c levels with Arkray's HPLC systems.

本报告介绍了一名 49 岁的金边 Hb 患者的病例,他的 HbA1c 水平随高效液相色谱(HPLC)系统的不同而变化。健康检查结果显示,高效液相色谱法测得的 HbA1c 水平高达 7.6%,而在当地一家诊所用免疫测定法测得的另一项 HbA1c 检测结果显示为 5.2%。鉴于不同检测方法的 HbA1c 水平存在差异,他来到我们诊所就诊。他的空腹血浆葡萄糖水平为 95 毫克/分升,但口服葡萄糖耐量试验显示他患有糖尿病。间歇扫描连续血糖监测(isCGM)的平均血浆葡萄糖水平为 117 mg/dL,估计 HbA1c 水平为 5.9%。根据间歇扫描连续血糖监测(isCGM)的结果,本病例被认为不是糖尿病。对同一标本进行了不同方法(系统)的 HbA1c 检测,包括使用 Tosoh G9 的 HPLC、使用 Arkray HA-8180 和 HA-8180T 的 HPLC、亲和力检测和酶法检测,结果显示 HbA1c 水平分别为 7.3%、4.9%、5.0%、5.4% 和 5.3%。经球蛋白基因分析,诊断为金边血红蛋白(α1-117Phe-Ile-α1-118Thr)。本病例有一个独特的血红蛋白变异体,使用 Tosoh 高效液相色谱系统测量时,HbA1c 水平较高,而使用 Arkray 高效液相色谱系统测量时,HbA1c 水平较低。
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引用次数: 0
The Effect of Osteoprotegerin (OPG)/Receptor Activator of Nuclear Factor-κB Ligand (RANKL)/Receptor Activator of Nuclear Factor-κB (RANK) on Aortic Valve Calcified. 骨蛋白激酶(OPG)/核因子κB受体活化因子配体(RANKL)/核因子κB受体活化因子(RANK)对主动脉瓣钙化的影响。
IF 1.1 4区 医学 Q4 MEDICAL LABORATORY TECHNOLOGY Pub Date : 2024-09-01
Wei Luo, Jing Wang, Xia Yang, Junshan Li, Yanqiu Song, Hongliang Cong

Objective: To evaluate the effect of osteoprotegerin (OPG)/receptor activator of nuclear factor-[Formula: see text]B ligand (RANKL)/receptor activator of nuclear factor-[Formula: see text]B (RANK) nuclear factor on aortic valve calcification.

Methods: The aortic valve tissue was collected from 132 aortic stenosis (AS) patients who underwent valve replacement. The valve tissue was stained with hematoxylin eosin (HE) and alizarin red calcium salt deposition. At the same time, CD68, RUNX2, TRAP immunohistochemical staining and double staining were performed.

Results: ELISA analysis showed that the peripheral blood OPG value in the severe calcification group was significantly higher than mild calcification group (P=0.000) and non-calcification group (P=0.000), while the content of peripheral blood sRANKL in the severe calcification group was significantly lower than that in the non-calcification group (P=0.001). The valval OPG value in the mild calcification group was significantly higher than that of the non-calcification group (P=0.001) and the severe calcification group (P=0.040), and the valval sRANKL value of the severe calcification group was significantly lower than that of the non-calcification group (P=0.000).

Conclusion: The expression of OPG and RANKL can regulate the inflammatory reaction of valve and the balance between bone formation and resorption, thus affecting the progress of valve calcification.

目的评估骨保护素(OPG)/核因子受体活化因子-[式:见正文]B配体(RANKL)/核因子受体活化因子-[式:见正文]B(RANK)核因子对主动脉瓣钙化的影响:方法:收集了132名接受瓣膜置换术的主动脉瓣狭窄(AS)患者的主动脉瓣组织。瓣膜组织经苏木精-伊红(HE)和茜素红钙盐沉积染色。同时进行 CD68、RUNX2、TRAP 免疫组化染色和双重染色:ELISA分析显示,重度钙化组外周血OPG值明显高于轻度钙化组(P=0.000)和非钙化组(P=0.000),而重度钙化组外周血sRANKL含量明显低于非钙化组(P=0.001)。轻度钙化组的OPG值明显高于非钙化组(P=0.001)和重度钙化组(P=0.040),重度钙化组的sRANKL值明显低于非钙化组(P=0.000):结论:OPG和RANKL的表达可调节瓣膜的炎症反应和骨形成与吸收之间的平衡,从而影响瓣膜钙化的进程。
{"title":"The Effect of Osteoprotegerin (OPG)/Receptor Activator of Nuclear Factor-κB Ligand (RANKL)/Receptor Activator of Nuclear Factor-κB (RANK) on Aortic Valve Calcified.","authors":"Wei Luo, Jing Wang, Xia Yang, Junshan Li, Yanqiu Song, Hongliang Cong","doi":"","DOIUrl":"","url":null,"abstract":"<p><strong>Objective: </strong>To evaluate the effect of osteoprotegerin (OPG)/receptor activator of nuclear factor-[Formula: see text]B ligand (RANKL)/receptor activator of nuclear factor-[Formula: see text]B (RANK) nuclear factor on aortic valve calcification.</p><p><strong>Methods: </strong>The aortic valve tissue was collected from 132 aortic stenosis (AS) patients who underwent valve replacement. The valve tissue was stained with hematoxylin eosin (HE) and alizarin red calcium salt deposition. At the same time, CD68, RUNX2, TRAP immunohistochemical staining and double staining were performed.</p><p><strong>Results: </strong>ELISA analysis showed that the peripheral blood OPG value in the severe calcification group was significantly higher than mild calcification group (<i>P</i>=0.000) and non-calcification group (<i>P</i>=0.000), while the content of peripheral blood sRANKL in the severe calcification group was significantly lower than that in the non-calcification group (<i>P</i>=0.001). The valval OPG value in the mild calcification group was significantly higher than that of the non-calcification group (<i>P</i>=0.001) and the severe calcification group (<i>P</i>=0.040), and the valval sRANKL value of the severe calcification group was significantly lower than that of the non-calcification group (<i>P</i>=0.000).</p><p><strong>Conclusion: </strong>The expression of OPG and RANKL can regulate the inflammatory reaction of valve and the balance between bone formation and resorption, thus affecting the progress of valve calcification.</p>","PeriodicalId":8228,"journal":{"name":"Annals of clinical and laboratory science","volume":"54 5","pages":"633-642"},"PeriodicalIF":1.1,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142613843","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Concurrent High-Grade Serous Carcinoma with Mucinous Differentiation and Ectopic Complete Molar Pregnancy of the Fallopian Tube: A Case Report. 伴粘液分化的高级别浆液性癌和输卵管异位完全臼性妊娠并发症:病例报告。
IF 1.1 4区 医学 Q4 MEDICAL LABORATORY TECHNOLOGY Pub Date : 2024-09-01
Flora Mae G Sta Ines, Bushra Al-Tarawneh, Mary Marchese, Corinne Jansen, Monique E De Paepe, C James Sung, Nina Tatevian, M Ruhul Quddus, Elizabeth Lokich, Shivali Marketkar

Objective: We report the first documented case of concurrent ectopic complete hydatidiform mole (CHM) and high-grade serous carcinoma (HGSC) of the fallopian tube, associated with unique histologic features and mutations in the HGSC.

Case report: The patient presented with pelvic pain and vaginal bleeding. Laboratory examination revealed a positive urine pregnancy test and high serum beta-human chorionic gonadotropin (β-hCG). Transvaginal ultrasound demonstrated a left adnexal mass suspicious for ectopic pregnancy. Salpingectomy was performed, and the fallopian tube, noted to be ruptured with a visible ectopic pregnancy, demonstrated chorionic villi with diffuse hydropic enlargement and mild trophoblast hyperplasia. p57/Kip2 immunohistochemical staining (IHC) showed loss of expression in villous cytotrophoblasts and stromal cells, confirming CHM. An incidental 0.5 cm focus of HGSC was identified in the fallopian tube, associated with serous tubal intraepithelial carcinoma (STIC). The tumor exhibited solid, transitional cell carcinoma-like, and acinar patterns, with intraluminal mucin highlighted by Alcian blue and PAS-D stains. Patient underwent staging surgery which resulted in the finding of a 0.7 cm HGSC in the left ovary with morphology concordant to the tubal mass, except for a pseudo-endometrioid pattern in the ovary. Notably, the HGSC is positive (2+, 90%) for FOLR1 antigen and harbored a pathogenic mutation (p.R273H) in exon 8 of the TP53 gene.

Conclusion: This report emphasizes the crucial role of meticulous sampling and histopathologic examination of the fallopian tube, including the fimbriae, in all salpingectomy specimens. Furthermore, the case highlights the broad spectrum of morphologies encountered in HGSC, including mucinous differentiation. HGSC should be in the differential diagnosis when encountering mucin-producing high-grade carcinoma.

目的:我们报告了首例有记录的异位完全水样痣(CHM)和输卵管高级别浆液性癌(HGSC)并发病例,该病例与 HGSC 独特的组织学特征和突变有关:患者因盆腔疼痛和阴道出血就诊。实验室检查显示尿妊娠试验阳性,血清β-人绒毛膜促性腺激素(β-hCG)偏高。经阴道超声检查显示,左侧附件肿块疑似宫外孕。行输卵管切除术,发现输卵管破裂,可见异位妊娠,绒毛呈弥漫性水肿,滋养细胞轻度增生。p57/Kip2免疫组化染色(IHC)显示绒毛细胞滋养细胞和基质细胞表达缺失,证实为CHM。在输卵管中偶然发现了一个 0.5 厘米的 HGSC 病灶,与浆液性输卵管上皮内癌(STIC)有关。肿瘤呈实性、过渡细胞癌样和针状形态,阿尔新蓝和PAS-D染色可突出显示腔内粘蛋白。患者接受了分期手术,结果在左侧卵巢中发现了一个 0.7 厘米的 HGSC,形态与输卵管肿块一致,只是卵巢中出现了假性子宫内膜样形态。值得注意的是,该 HGSC 的 FOLR1 抗原呈阳性(2+,90%),并携带 TP53 基因第 8 外显子的致病突变(p.R273H):本报告强调了在所有输卵管切除术标本中对输卵管(包括纤毛)进行细致取样和组织病理学检查的关键作用。此外,该病例还强调了 HGSC 的广泛形态,包括粘液分化。当遇到产生粘液的高级别癌时,应将 HGSC 列入鉴别诊断范围。
{"title":"Concurrent High-Grade Serous Carcinoma with Mucinous Differentiation and Ectopic Complete Molar Pregnancy of the Fallopian Tube: A Case Report.","authors":"Flora Mae G Sta Ines, Bushra Al-Tarawneh, Mary Marchese, Corinne Jansen, Monique E De Paepe, C James Sung, Nina Tatevian, M Ruhul Quddus, Elizabeth Lokich, Shivali Marketkar","doi":"","DOIUrl":"","url":null,"abstract":"<p><strong>Objective: </strong>We report the first documented case of concurrent ectopic complete hydatidiform mole (CHM) and high-grade serous carcinoma (HGSC) of the fallopian tube, associated with unique histologic features and mutations in the HGSC.</p><p><strong>Case report: </strong>The patient presented with pelvic pain and vaginal bleeding. Laboratory examination revealed a positive urine pregnancy test and high serum beta-human chorionic gonadotropin (β-hCG). Transvaginal ultrasound demonstrated a left adnexal mass suspicious for ectopic pregnancy. Salpingectomy was performed, and the fallopian tube, noted to be ruptured with a visible ectopic pregnancy, demonstrated chorionic villi with diffuse hydropic enlargement and mild trophoblast hyperplasia. p57/Kip2 immunohistochemical staining (IHC) showed loss of expression in villous cytotrophoblasts and stromal cells, confirming CHM. An incidental 0.5 cm focus of HGSC was identified in the fallopian tube, associated with serous tubal intraepithelial carcinoma (STIC). The tumor exhibited solid, transitional cell carcinoma-like, and acinar patterns, with intraluminal mucin highlighted by Alcian blue and PAS-D stains. Patient underwent staging surgery which resulted in the finding of a 0.7 cm HGSC in the left ovary with morphology concordant to the tubal mass, except for a pseudo-endometrioid pattern in the ovary. Notably, the HGSC is positive (2+, 90%) for FOLR1 antigen and harbored a pathogenic mutation (p.R273H) in exon 8 of the TP53 gene.</p><p><strong>Conclusion: </strong>This report emphasizes the crucial role of meticulous sampling and histopathologic examination of the fallopian tube, including the fimbriae, in all salpingectomy specimens. Furthermore, the case highlights the broad spectrum of morphologies encountered in HGSC, including mucinous differentiation. HGSC should be in the differential diagnosis when encountering mucin-producing high-grade carcinoma.</p>","PeriodicalId":8228,"journal":{"name":"Annals of clinical and laboratory science","volume":"54 5","pages":"679-684"},"PeriodicalIF":1.1,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142613782","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Morroniside Attenuates Rheumatoid Arthritis by Inhibiting Rheumatoid Synoviocytes Invasion through the NF-κB/MMPs Pathway. 莫罗尼苷通过 NF-κB/MMPs 通路抑制类风湿滑膜细胞侵袭,从而减轻类风湿性关节炎的病情
IF 1.1 4区 医学 Q4 MEDICAL LABORATORY TECHNOLOGY Pub Date : 2024-09-01
Yan Wang, Ruili Yin, Xin Li, Baoyu Zhang, Yuan Wang, Lijie Zhang, Yanan Cheng, Dong Zhao

Objective: Morroniside (MOR) has been reported to ameliorate inflammation in cardiovascular and cerebrovascular disease; however, its impact and mechanism on rheumatoid arthritis (RA) remains unclear. This study aimed to investigate the beneficial role of morroniside in treating RA and explore the anti-invasive mechanism of morroniside on joint destruction.

Methods: In vitro (using primary rat articular fibroblast-like synoviocytes (FLSs)) a wound healing assay was used to detect the migration of primary rat FLSs. Quantitative RT-PCR was used to measure the transcription of matrix metalloproteinase (MMP) MMP2 and MMP9. Western blot was used to measure the expression of MMP2, MMP9, p65, phosphorylated-p65 (p-p65), inhibitor of nuclear factor (NF)-[Formula: see text]Bα (I[Formula: see text]Bα), I[Formula: see text]B kinase α/β (IKKα/β), and phosphorylated-IKKα/β. Immunofluorescence assay was used to measure the nuclear translocation of p65. In vivo (using rats with collagen-induced arthritis), the joint histopathological changes were detected by routine hematoxylin and eosin. Immunohistochemistry assay was used to measure the expression MMP2 and MMP9.

Results: Morroniside diminished tumor necrosis factor (TNF)α-stimulated migration of primary rat articular FLSs. Morroniside also attenuated RA-FLSs invasion into joint and joint destruction in rats with collagen-induced arthritis (CIA). Further analysis revealed that morroniside inhibited the overexpression of matrix metalloproteinase MMP2 and MMP9 in TNFα-stimulated primary rat articular FLSs and joints of CIA rats. Mechanistically, morroniside suppressed the activation of I[Formula: see text]B kinase α/β, which resulted in elevated levels of the inhibitor of nuclear factor (NF)-[Formula: see text]B.

Conclusion: The present study suggested that morroniside can prevent joint destruction by suppressing the activation of the NF-[Formula: see text]B/MMPs pathway, thereby preventing FLSs invasion.

目的:莫罗尼苷(MOR)被报道可改善心脑血管疾病的炎症反应,但其对类风湿性关节炎(RA)的影响和机制仍不清楚。本研究旨在探讨吗罗尼甙对治疗类风湿性关节炎的有益作用,并探索吗罗尼甙对关节破坏的抗侵袭机制:方法:在体外(使用原代大鼠关节成纤维细胞样滑膜细胞(FLSs))使用伤口愈合试验检测原代大鼠FLSs的迁移。定量 RT-PCR 用于测量基质金属蛋白酶(MMP)MMP2 和 MMP9 的转录。用 Western 印迹法测定 MMP2、MMP9、p65、磷酸化-p65(p-p65)、核因子抑制剂(NF)-[式中:见正文]Bα(I[式中:见正文]Bα)、I[式中:见正文]B 激酶α/β(IKKα/β)和磷酸化-IKKα/β的表达。免疫荧光试验用于测量 p65 的核转位。在体内(使用胶原蛋白诱导的关节炎大鼠),通过常规苏木精和伊红检测关节组织病理学变化。免疫组化法测定 MMP2 和 MMP9 的表达:结果:莫罗尼苷可减少肿瘤坏死因子(TNF)α刺激的原代大鼠关节FLS的迁移。莫罗尼苷还能减轻胶原诱发关节炎(CIA)大鼠的RA-FLS侵入关节和关节破坏。进一步的分析表明,吗菌腈抑制了基质金属蛋白酶MMP2和MMP9在TNFα刺激的原代大鼠关节FLS和CIA大鼠关节中的过度表达。从机制上讲,吗菌腈抑制了I[式:见正文]B激酶α/β的活化,从而导致核因子(NF)-[式:见正文]B抑制剂水平的升高:本研究表明,吗罗尼西汀可通过抑制NF-[式:见正文]B/MMPs通路的活化,从而阻止FLSs的侵袭,防止关节破坏。
{"title":"Morroniside Attenuates Rheumatoid Arthritis by Inhibiting Rheumatoid Synoviocytes Invasion through the NF-κB/MMPs Pathway.","authors":"Yan Wang, Ruili Yin, Xin Li, Baoyu Zhang, Yuan Wang, Lijie Zhang, Yanan Cheng, Dong Zhao","doi":"","DOIUrl":"","url":null,"abstract":"<p><strong>Objective: </strong>Morroniside (MOR) has been reported to ameliorate inflammation in cardiovascular and cerebrovascular disease; however, its impact and mechanism on rheumatoid arthritis (RA) remains unclear. This study aimed to investigate the beneficial role of morroniside in treating RA and explore the anti-invasive mechanism of morroniside on joint destruction.</p><p><strong>Methods: </strong><i>In vitro</i> (using primary rat articular fibroblast-like synoviocytes (FLSs)) a wound healing assay was used to detect the migration of primary rat FLSs. Quantitative RT-PCR was used to measure the transcription of matrix metalloproteinase (MMP) MMP2 and MMP9. Western blot was used to measure the expression of MMP2, MMP9, p65, phosphorylated-p65 (p-p65), inhibitor of nuclear factor (NF)-[Formula: see text]B<i>α</i> (I[Formula: see text]B<i>α</i>), I[Formula: see text]B kinase <i>α</i>/β (IKK<i>α</i>/β), and phosphorylated-IKK<i>α</i>/β. Immunofluorescence assay was used to measure the nuclear translocation of p65. <i>In vivo</i> (using rats with collagen-induced arthritis), the joint histopathological changes were detected by routine hematoxylin and eosin. Immunohistochemistry assay was used to measure the expression MMP2 and MMP9.</p><p><strong>Results: </strong>Morroniside diminished tumor necrosis factor (TNF)<i>α</i>-stimulated migration of primary rat articular FLSs. Morroniside also attenuated RA-FLSs invasion into joint and joint destruction in rats with collagen-induced arthritis (CIA). Further analysis revealed that morroniside inhibited the overexpression of matrix metalloproteinase MMP2 and MMP9 in TNF<i>α</i>-stimulated primary rat articular FLSs and joints of CIA rats. Mechanistically, morroniside suppressed the activation of I[Formula: see text]B kinase <i>α</i>/β, which resulted in elevated levels of the inhibitor of nuclear factor (NF)-[Formula: see text]B.</p><p><strong>Conclusion: </strong>The present study suggested that morroniside can prevent joint destruction by suppressing the activation of the NF-[Formula: see text]B/MMPs pathway, thereby preventing FLSs invasion.</p>","PeriodicalId":8228,"journal":{"name":"Annals of clinical and laboratory science","volume":"54 5","pages":"604-617"},"PeriodicalIF":1.1,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142613826","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Biomarkers Identification of Early Rheumatoid Arthritis via Bioinformatics Approach and Experimental Verification. 通过生物信息学方法和实验验证鉴定早期类风湿关节炎的生物标记物
IF 1.1 4区 医学 Q4 MEDICAL LABORATORY TECHNOLOGY Pub Date : 2024-09-01
Caifang Shen, Bin Gu, Maodan Tang, Ke Ma, Kaili Du, Jianping Wu, Youlong Xiong, Dong Zhan

Objective: To screen and identify potential biomarker for early rheumatoid arthritis (RA) by bioinformatic analysis and experimental investigation.

Methods: Transcriptome data of RA synovium was downloaded from GEO. Differentially expressed genes (DEGs), gene ontology (GO) functional annotation, and KEGG pathway were analyzed to inspect significative target genes. The protein-protein interaction was constructed using STRING database and Cytoscape to screen hub genes with least absolute shrinkage and selection operator (LASSO). The diagnostic effectivity of screened hub genes was analyzed with receiver operating characteristic (ROC). RA synovial fibroblast (SF) was treated with TNF-α (20ng/mL for 24h). RT-qPCR and Western blotting were used to measure mRNA and protein for screened hub gene.

Results: A total of 271 DEGs were found in GEO dataset. GO analysis indicated that DEGs mainly involved in phagocytosis, recognition and complement activation, etc. KEGG analysis suggested that DEGs were mostly enriched in the cytokine-cytokine receptor interaction, regulation of lipolysis in adipocytes, PPAR signaling pathway. LASSO regression and ROC curve indicated that ADIPOQ, CIDEA, FABP4, AQP7, LOC102723407, PLIN4, LIPE, CIDEC, PLIN1, and LEP had excellent diagnostic value. The area under ROC was 0.734. The level of ADIPOQ, LEP, LIPE, PLIN1, and PLIN4 were lower in RA group rather than that of control group (p<0.01). The higher expressions of CIDEC and FABP4 were found in RA group comparing to control group (p<0.001).

Conclusions: Identified hub genes might be valuable biomarkers for early RA diagnosis to promote precise and personal therapy.

目的通过生物信息学分析和实验研究,筛选并确定早期类风湿性关节炎(RA)的潜在生物标志物:方法:从 GEO 下载 RA 滑膜的转录组数据。方法:从 GEO 下载 RA 滑膜转录组数据,分析差异表达基因(DEGs)、基因本体论(GO)功能注释和 KEGG 通路,以检测重要的靶基因。利用 STRING 数据库和 Cytoscape 构建蛋白质-蛋白质相互作用,并使用最小绝对收缩和选择算子(LASSO)筛选枢纽基因。用接收器操作特征(ROC)分析了筛选出的中心基因的诊断效果。用 TNF-α(20ng/mL,24 小时)处理 RA 滑膜成纤维细胞(SF)。采用 RT-qPCR 和 Western 印迹法测定筛选出的枢纽基因的 mRNA 和蛋白质:结果:在 GEO 数据集中共发现 271 个 DEGs。GO分析表明,DEGs主要参与吞噬、识别和补体激活等。KEGG分析表明,DEGs主要富集于细胞因子-细胞因子受体相互作用、脂肪细胞脂肪分解调控、PPAR信号通路。LASSO回归和ROC曲线表明,ADIPOQ、CIDEA、FABP4、AQP7、LOC102723407、PLIN4、LIPE、CIDEC、PLIN1和LEP具有很好的诊断价值。ROC 下面积为 0.734。与对照组相比,RA 组的 ADIPOQ、LEP、LIPE、PLIN1 和 PLIN4 水平较低:所发现的枢纽基因可能是早期诊断 RA 的有价值的生物标志物,可促进精确的个性化治疗。
{"title":"Biomarkers Identification of Early Rheumatoid Arthritis via Bioinformatics Approach and Experimental Verification.","authors":"Caifang Shen, Bin Gu, Maodan Tang, Ke Ma, Kaili Du, Jianping Wu, Youlong Xiong, Dong Zhan","doi":"","DOIUrl":"","url":null,"abstract":"<p><strong>Objective: </strong>To screen and identify potential biomarker for early rheumatoid arthritis (RA) by bioinformatic analysis and experimental investigation.</p><p><strong>Methods: </strong>Transcriptome data of RA synovium was downloaded from GEO. Differentially expressed genes (DEGs), gene ontology (GO) functional annotation, and KEGG pathway were analyzed to inspect significative target genes. The protein-protein interaction was constructed using STRING database and Cytoscape to screen hub genes with least absolute shrinkage and selection operator (LASSO). The diagnostic effectivity of screened hub genes was analyzed with receiver operating characteristic (ROC). RA synovial fibroblast (SF) was treated with TNF-<i>α</i> (20ng/mL for 24h). RT-qPCR and Western blotting were used to measure mRNA and protein for screened hub gene.</p><p><strong>Results: </strong>A total of 271 DEGs were found in GEO dataset. GO analysis indicated that DEGs mainly involved in phagocytosis, recognition and complement activation, etc. KEGG analysis suggested that DEGs were mostly enriched in the cytokine-cytokine receptor interaction, regulation of lipolysis in adipocytes, PPAR signaling pathway. LASSO regression and ROC curve indicated that ADIPOQ, CIDEA, FABP4, AQP7, LOC102723407, PLIN4, LIPE, CIDEC, PLIN1, and LEP had excellent diagnostic value. The area under ROC was 0.734. The level of ADIPOQ, LEP, LIPE, PLIN1, and PLIN4 were lower in RA group rather than that of control group (<i>p</i><0.01). The higher expressions of CIDEC and FABP4 were found in RA group comparing to control group (<i>p</i><0.001).</p><p><strong>Conclusions: </strong>Identified hub genes might be valuable biomarkers for early RA diagnosis to promote precise and personal therapy.</p>","PeriodicalId":8228,"journal":{"name":"Annals of clinical and laboratory science","volume":"54 5","pages":"661-670"},"PeriodicalIF":1.1,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142613778","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Escitalopram Relieves Sleep Anxiety in Patients with Cerebral Small Vessel Disease Sleep Disorder by Downregulating the Nrf2/ARE Signaling Pathway. 艾司西酞普兰通过下调Nrf2/ARE信号通路缓解脑小血管疾病睡眠障碍患者的睡眠焦虑症
IF 1.1 4区 医学 Q4 MEDICAL LABORATORY TECHNOLOGY Pub Date : 2024-09-01
Lifei Xing, Lihua Sun, Hongliang Yan, Heyangzi Gong, Min Wang, Jianying Lv, Haiying Wang, Yanhong Wang

Objective: Nrf2/ARE signaling pathway is reported to alleviate sleep anxiety in patients with sleep disorders. This study aimed at exploring the effect of escitalopram (ESC) on sleep anxiety in patients with cerebral small vessel disease (CSVD) and sleep disorder and its correlation with the Nrf2/ARE signaling pathway.

Methods: In the present study, we enrolled 80 CSVD patients (disease group) and 40 healthy patients (control group) in our hospital. The CSVD patients were classified into ESC treatment group and conventional treatment group and administered ESC and diazepam, respectively. After treatment, the patients' sleep quality was monitored within three months, and their symptoms were evaluated. Additionally, a mouse model of CSVD was set up, and the rats received intragastric administration of low, moderate, and high dosage of ESC or thymoquinone. The morphology of nerve cells and cognitive functions in the rat hippocampus were seen. TUNEL staining was conducted to detect nerve cell apoptosis and RT-qPCR, and Western blot analyses determined the expression levels of Nrf2 and ARE.

Results: Compared with conventional treatment group, the patients of ESC treatment group had shorter symptom improvement time and better sleep quality with a lower AHI and PSQI score. On the other hand, in the animal model, ESC treatment alleviated sleep disorders in CSVD rats, improved cognition and serum TNF-α levels, and protected nerve cells. Administration of ESC eliminated the expressions of Nrf2 and ARE and reduced nerve cell apoptosis dose-dependently. Moreover, Nrf2/ARE pathway activator (Danshensu) decreased rat sleep time and the level of serum TNF-α with more cell atrophy, while Nrf2/ARE pathway inhibitor (ML385) greatly improved sleep quality of CSVD rats.

Conclusion: ESC can effectively relieve sleep anxiety in patients with CSVD and sleep disorders through downregulating the Nrf2/ARE signaling pathway. ESC treatment increases patient's sleep time and serum TNF-α levels and attenuates nerve cell damage, further improving the patient's sleep quality.

目的据报道,Nrf2/ARE信号通路可缓解睡眠障碍患者的睡眠焦虑。本研究旨在探讨艾司西酞普兰(ESC)对脑小血管疾病(CSVD)和睡眠障碍患者睡眠焦虑的影响及其与Nrf2/ARE信号通路的相关性:在本研究中,我们在本院招募了 80 名 CSVD 患者(疾病组)和 40 名健康患者(对照组)。将 CSVD 患者分为 ESC 治疗组和常规治疗组,分别给予 ESC 和地西泮治疗。治疗后,对患者三个月内的睡眠质量进行监测,并对其症状进行评估。此外,研究人员还建立了 CSVD 小鼠模型,分别给小鼠胃内注射低、中、高剂量的 ESC 或胸腺醌。研究人员观察了大鼠海马神经细胞的形态和认知功能。TUNEL染色检测神经细胞凋亡,RT-qPCR和Western印迹分析检测Nrf2和ARE的表达水平:结果:与常规治疗组相比,ESC治疗组患者的症状改善时间更短,睡眠质量更好,AHI和PSQI评分更低。另一方面,在动物模型中,ESC治疗缓解了CSVD大鼠的睡眠障碍,改善了认知能力和血清TNF-α水平,保护了神经细胞。服用 ESC 可消除 Nrf2 和 ARE 的表达,并剂量依赖性地减少神经细胞凋亡。此外,Nrf2/ARE通路激活剂(丹参素)可减少大鼠的睡眠时间和血清TNF-α水平,并导致更多的细胞萎缩,而Nrf2/ARE通路抑制剂(ML385)则可大大改善CSVD大鼠的睡眠质量:结论:ESC能通过下调Nrf2/ARE信号通路有效缓解CSVD和睡眠障碍患者的睡眠焦虑。结论:ESC能通过下调Nrf2/ARE信号通路有效缓解CSVD和睡眠障碍患者的睡眠焦虑,增加患者的睡眠时间和血清TNF-α水平,减轻神经细胞损伤,进一步改善患者的睡眠质量。
{"title":"Escitalopram Relieves Sleep Anxiety in Patients with Cerebral Small Vessel Disease Sleep Disorder by Downregulating the Nrf2/ARE Signaling Pathway.","authors":"Lifei Xing, Lihua Sun, Hongliang Yan, Heyangzi Gong, Min Wang, Jianying Lv, Haiying Wang, Yanhong Wang","doi":"","DOIUrl":"","url":null,"abstract":"<p><strong>Objective: </strong>Nrf2/ARE signaling pathway is reported to alleviate sleep anxiety in patients with sleep disorders. This study aimed at exploring the effect of escitalopram (ESC) on sleep anxiety in patients with cerebral small vessel disease (CSVD) and sleep disorder and its correlation with the Nrf2/ARE signaling pathway.</p><p><strong>Methods: </strong>In the present study, we enrolled 80 CSVD patients (disease group) and 40 healthy patients (control group) in our hospital. The CSVD patients were classified into ESC treatment group and conventional treatment group and administered ESC and diazepam, respectively. After treatment, the patients' sleep quality was monitored within three months, and their symptoms were evaluated. Additionally, a mouse model of CSVD was set up, and the rats received intragastric administration of low, moderate, and high dosage of ESC or thymoquinone. The morphology of nerve cells and cognitive functions in the rat hippocampus were seen. TUNEL staining was conducted to detect nerve cell apoptosis and RT-qPCR, and Western blot analyses determined the expression levels of Nrf2 and ARE.</p><p><strong>Results: </strong>Compared with conventional treatment group, the patients of ESC treatment group had shorter symptom improvement time and better sleep quality with a lower AHI and PSQI score. On the other hand, in the animal model, ESC treatment alleviated sleep disorders in CSVD rats, improved cognition and serum TNF-<i>α</i> levels, and protected nerve cells. Administration of ESC eliminated the expressions of Nrf2 and ARE and reduced nerve cell apoptosis dose-dependently. Moreover, Nrf2/ARE pathway activator (Danshensu) decreased rat sleep time and the level of serum TNF-<i>α</i> with more cell atrophy, while Nrf2/ARE pathway inhibitor (ML385) greatly improved sleep quality of CSVD rats.</p><p><strong>Conclusion: </strong>ESC can effectively relieve sleep anxiety in patients with CSVD and sleep disorders through downregulating the Nrf2/ARE signaling pathway. ESC treatment increases patient's sleep time and serum TNF-<i>α</i> levels and attenuates nerve cell damage, further improving the patient's sleep quality.</p>","PeriodicalId":8228,"journal":{"name":"Annals of clinical and laboratory science","volume":"54 5","pages":"577-587"},"PeriodicalIF":1.1,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142613795","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
LNCRNA 1197 Promotes the Progression of Fibroblast-Like Synovial Cells by Targeting miR-206 in Rheumatoid Arthritis Patients: A Pilot Study. LNCRNA 1197 通过靶向 miR-206 促进类风湿性关节炎患者纤维母细胞样滑膜细胞的进展:一项试点研究。
IF 1.1 4区 医学 Q4 MEDICAL LABORATORY TECHNOLOGY Pub Date : 2024-09-01
Xiang Lu, Shanle Yan, Xiaoli Li, Yuan Xue, Liyun Zhang

Objective: We studied the role of LNCRNA 1197 in rheumatoid arthritis (RA) and its underlying mechanism.

Methods: We detected expression of LNCRNA 1197 in RA fibroblast-like synovial cells (RA-FLS) by RT-qPCR. Functional experiments were conducted to assess the impact of LNCRNA on cells as demonstrated by a Transwell assay. In addition, Western blot analysis was conducted to analyze the expression of proliferation-related proteins and flow cytometry and CCK-8 to analyze cell cycle and cell proliferation. We also identified the potential downstream target miRNA of LNCRNA 1197.

Results: LNCRNA 1197 was highly expressed in RA-FLS. When LNCRNA 1197 was knocked down, the cell proliferation, migration, and invasion of RA-FLS were alleviated, and pro-inflammatory cytokines were significantly downregulated. Interestingly, LNCRNA 1197 was indicated to target miR-206 and promoted progression of FLS by inhibiting miR-206.

Conclusion: Taken altogether, LNCRNA 1197 promotes the progression of RA-FLSs by miR-206 inhibition.

目的:研究 LNCRNA 1197 在类风湿关节炎(RA)中的作用及其内在机制:我们研究了 LNCRNA 1197 在类风湿性关节炎(RA)中的作用及其内在机制:我们通过RT-qPCR检测了LNCRNA 1197在RA成纤维细胞样滑膜细胞(RA-FLS)中的表达。方法:我们通过 RTqPCR 检测了 LNCRNA 1197 在 RA 成纤维细胞样滑膜细胞(RA-FLS)中的表达,并通过 Transwell 试验评估了 LNCRNA 对细胞的影响。此外,还进行了 Western 印迹分析以分析增殖相关蛋白的表达,以及流式细胞术和 CCK-8 分析细胞周期和细胞增殖。我们还确定了 LNCRNA 1197 潜在的下游靶 miRNA:结果:LNCRNA 1197在RA-FLS中高表达。结果:LNCRNA 1197 在 RA-FLS 中高表达,当 LNCRNA 1197 被敲除后,RA-FLS 的细胞增殖、迁移和侵袭得到缓解,促炎细胞因子显著下调。有趣的是,LNCRNA 1197被认为以miR-206为靶点,并通过抑制miR-206促进FLS的进展:总而言之,LNCRNA 1197 通过抑制 miR-206 促进了 RA-FLS 的进展。
{"title":"LNCRNA 1197 Promotes the Progression of Fibroblast-Like Synovial Cells by Targeting miR-206 in Rheumatoid Arthritis Patients: A Pilot Study.","authors":"Xiang Lu, Shanle Yan, Xiaoli Li, Yuan Xue, Liyun Zhang","doi":"","DOIUrl":"","url":null,"abstract":"<p><strong>Objective: </strong>We studied the role of LNCRNA 1197 in rheumatoid arthritis (RA) and its underlying mechanism.</p><p><strong>Methods: </strong>We detected expression of LNCRNA 1197 in RA fibroblast-like synovial cells (RA-FLS) by RT-qPCR. Functional experiments were conducted to assess the impact of LNCRNA on cells as demonstrated by a Transwell assay. In addition, Western blot analysis was conducted to analyze the expression of proliferation-related proteins and flow cytometry and CCK-8 to analyze cell cycle and cell proliferation. We also identified the potential downstream target miRNA of LNCRNA 1197.</p><p><strong>Results: </strong>LNCRNA 1197 was highly expressed in RA-FLS. When LNCRNA 1197 was knocked down, the cell proliferation, migration, and invasion of RA-FLS were alleviated, and pro-inflammatory cytokines were significantly downregulated. Interestingly, LNCRNA 1197 was indicated to target miR-206 and promoted progression of FLS by inhibiting miR-206.</p><p><strong>Conclusion: </strong>Taken altogether, LNCRNA 1197 promotes the progression of RA-FLSs by miR-206 inhibition.</p>","PeriodicalId":8228,"journal":{"name":"Annals of clinical and laboratory science","volume":"54 5","pages":"588-596"},"PeriodicalIF":1.1,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142613802","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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Annals of clinical and laboratory science
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