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First report of an adult patient with Clinical amyopathic dermatomyositis associated rapid progressive interstitial lung disease triggered by COVID19 一例由COVID19引发的临床肌萎缩性皮肌炎相关快速进行性间质性肺病成年患者的首次报告
IF 0.8 Q4 IMMUNOLOGY Pub Date : 2022-05-31 DOI: 10.34172/ipp.2022.32406
A. Varghaei, Hengameh Mojdeganlou, M. Rabieepour, Amir Mikaeilvand, A. Abbasi
ILD is a common manifestation of dermatomyositis (DM) with indolent course but a unique variant of DM called clinically amyopathic DM (CADM) presents with rapid progressive interstitial lung disease (RP-ILD) and is called CADM associated RP-ILD. Here, we report a case of a 52 year old woman with CADM associated RP-ILD occurred 2 weeks after recovery from COVID19 infection but unfortunately died from RP-ILD, almost 5 months later. This is the first report of CADM associated RP-ILD triggered by COVID19 in an adult patient
ILD是皮肌炎(DM)的一种常见表现,病程为无痛,但DM的一种独特变体——临床amyopathic DM (CADM)表现为快速进行性间质性肺病(RP-ILD),被称为CADM相关性RP-ILD。在这里,我们报告了一例52岁女性,在covid - 19感染恢复后2周发生CADM相关的RP-ILD,但不幸的是,几乎5个月后死于RP-ILD。这是首次报道由covid - 19引发的成人患者与CADM相关的RP-ILD
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引用次数: 0
Is There a Change in Platelet Indices Among Pregnant With Anti Phospholipid Syndrome? 抗磷脂综合征孕妇血小板指数有变化吗?
IF 0.8 Q4 IMMUNOLOGY Pub Date : 2022-05-31 DOI: 10.34172/ipp.2022.32410
Wassan Nori, Shaima K. Harmoosh, Roaa Hamed
Introduction: Recurrent pregnancy loss (RPL) is a common obstetrical complication, where 50% have undetermined etiology. Antiphospholipid syndrome (APL) is an autoimmune disease documented as a cause of RPL. Thrombophilia, particularly platelet abnormalities, were accredited for RPL. Objectives: The purpose of this study is to determine the change in platelets parameters; specifically, platelet count, mean platelet volume (MPV), platelet distribution width PDW, in patients suffering from RPL caused by the anti-phospholipid syndrome. Patients and Methods: Fifty women with a confirmed diagnosis of APL syndrome having a history of RPL were assigned as a study group and fifty women who gave birth without RPL were set as healthy controls were taken from al Yarmouk teaching hospitals in Baghdad. The personal data were taken by direct interview with patients, and blood samples were taken and analyzed for complete blood counts and platelets indices. Results: Both platelets count and PDW scored significant correlation with the number of pregnancy loss; Pearson's correlation coefficient was (0.74,0.59) respectively for both variables. The ROC evaluated platelets count a cutoff value of 230 ,88%,84% respective sensitivity and specificities, AUC =0.89,and P-value<0.001 respectively. As for PDW it had a cutoff value of 13.6 fl/L,88%,80% respective sensitivity and specificities, AUC=0.87,and P-value<0.001. Conclusions: Platelet indicators may aid gynecologists' in low-resource settings in predicting high-risk pregnancies deemed to suffer from RPL .
引言:复发性流产(RPL)是一种常见的产科并发症,50%的病因尚未确定。抗磷脂综合征(APL)是一种自身免疫性疾病,被认为是RPL的病因之一。血栓形成倾向,特别是血小板异常,被认定为RPL。目的:本研究的目的是确定血小板参数的变化;特别是抗磷脂综合征引起的RPL患者的血小板计数、平均血小板体积(MPV)、血小板分布宽度PDW。患者和方法:50名确诊为APL综合征并有RPL病史的女性被分配为研究组,50名在没有RPL的情况下分娩的女性被设定为健康对照,她们来自巴格达的al-Yarmouk教学医院。通过直接采访患者获取个人数据,采集血样并分析全血细胞计数和血小板指数。结果:血小板计数和PDW均与流产次数显著相关;两个变量的Pearson相关系数分别为(0.74,0.59)。ROC评估的血小板计数的敏感性和特异性分别为230、88%、84%,AUC=0.89,P值<0.001。PDW的临界值为13.6 fl/L,灵敏度和特异性分别为88%和80%,AUC=0.87,P值<0.001。结论:血小板指标可能有助于妇科医生在低资源环境下预测被认为患有RPL的高危妊娠。
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引用次数: 0
The dilemma of COVID-19 Diagnosis in Pregnancy 妊娠期COVID-19诊断的困境
IF 0.8 Q4 IMMUNOLOGY Pub Date : 2022-05-31 DOI: 10.34172/ipp.2022.32416
Wassan Nori, Roaa Hamed, W. Akram, Maha Chasib Munshid
Coronavirus Disease 2019 is a new and rapidly developing health crisis. Ongoing researches are looking at the prevalence and consequences of COVID-19 in the obstetric community and postnatal period. In COVID 19 era, pregnant mothers are prone to infection with the severe acute respiratory syndrome coronavirus 2, with a higher risk of poor pregnancy outcomes. Therefore, an accurate and early diagnosis is a necessity for this vulnerable group. Screening for asymptomatic carriers is a cornerstone to limit the COVID-19 pandemic. It is vital to evaluate patients’ clinical symptoms and epidemiological history carefully. Although the serological test; Polymerase chain reaction RT-PCR can confirm infection, it cannot determine the degree or severity of the illness. Moreover, it has false-negative results. Imaging tests allow exact diagnosis of lung damage, the severity of the disease, and the classification of patients. Comprehensive analyses of serological and imaging data will assist in the formation of an appropriate clinical diagnosis. This review will discuss the updates and critical points in establishing COVID-19 infection in pregnant women with their pros and cons.
2019冠状病毒病是一场新的、迅速发展的健康危机。正在进行的研究着眼于新冠肺炎在产科社区和产后的流行率和后果。在2019冠状病毒病时代,孕妇容易感染严重急性呼吸综合征冠状病毒2型,妊娠结局不佳的风险更高。因此,对这一弱势群体进行准确、早期的诊断是必要的。筛查无症状携带者是限制新冠肺炎大流行的基石。仔细评估患者的临床症状和流行病学史至关重要。尽管血清学检测;聚合酶链式反应RT-PCR可以确认感染,但不能确定疾病的程度或严重程度。此外,它还有假阴性结果。影像学检查可以准确诊断肺部损伤、疾病的严重程度和患者的分类。血清学和影像学数据的综合分析将有助于形成适当的临床诊断。本综述将讨论孕妇新冠肺炎感染的最新情况和关键点及其利弊。
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引用次数: 1
Investigation of the Toll-like receptors expression profile in peripheral blood mononuclear cells in COVID-19 patients in Iran 伊朗地区新冠肺炎患者外周血单个核细胞toll样受体表达谱的研究
IF 0.8 Q4 IMMUNOLOGY Pub Date : 2022-05-31 DOI: 10.34172/ipp.2022.32405
A. Tabibzadeh, Mohamad hadi Karbalai niya, H. Keyvani, Sajad Karampour, Parastoo Yousefi, Mohammad Hossein Razizadeh, Maryam Esghaei, Abdulhussain Kadhim Jawaziri, ahanbakhsh Khamseh
Background: Coronavirus disease2019 (COVID-19) spread all around the world and leads to many new infection cases and mortality. A better understanding of the SARS-CoV-2 pathogenesis could lead to more efficient therapeutic approaches. The current study aimed to investigate the Toll-like receptors expression profile in peripheral blood mononuclear cells in COVID-19 patients in Iran. Materials and methods: In this cross-sectional study, we evaluate 32 patients. At the admission time based on the disease severity patients were divided into two groups severe and mild COVID-19. A group of 16 normal people was evaluated as the control. Blood samples were collected before any treatment from patients at the admission time. The Blood samples were used for PBMC isolation. RNA extracted from PBMCs and use for the cDNA synthesis. The expression level of TLR-3, 4, and 7 were evaluated by using semi-quantitative real-time PCR. Results: The patient's mean age was 57.12±3.08 years and 15 (47%) were male. The background disorders represent two patients in the severe group with respiratory disorders, 4 patients with cardiovascular disease, and seven patients with diabetes. The TLRs expression levels represent a higher expression of TLR-4 in COVID-19 in comparison with controls for TLR-4 (p=0.00), TLR-3 and 7 also represent up-regulation but there were no statistically significant differences in the relative fold changes (RFC) between groups for all other evaluated TLRs (p>0.05). Conclusion: The study highlights the importance of the TLR-4 in COVID-19 patients in expression level. Further studies for a clear conclusion about TLRs expression levels are recommended.
背景:2019冠状病毒病(COVID-19)在全球范围内传播,并导致许多新发感染病例和死亡。更好地了解SARS-CoV-2的发病机制可能会导致更有效的治疗方法。本研究旨在研究伊朗COVID-19患者外周血单个核细胞中toll样受体的表达谱。材料和方法:在这项横断面研究中,我们评估了32例患者。入院时根据病情严重程度将患者分为重度和轻度两组。一组16名正常人被评估为对照组。在治疗前采集患者入院时的血液样本。血样用于PBMC的分离。从PBMCs中提取的RNA用于cDNA合成。采用半定量实时荧光定量PCR检测TLR-3、4、7的表达水平。结果:患者平均年龄57.12±3.08岁,男性15例(47%)。背景疾病为重度呼吸系统疾病组2例,心血管疾病组4例,糖尿病组7例。TLR-4在COVID-19中的表达水平高于对照组(p=0.00), TLR-3和tlr - 7也表达上调,但其他所有评估的tlr的相对折叠变化(RFC)在组间差异无统计学意义(p < 0.05)。结论:本研究强调了TLR-4在COVID-19患者中表达水平的重要性。建议进一步研究以明确TLRs的表达水平。
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引用次数: 0
Saccharomyces boulardii plus azithromycin is superior to azithromycin alone in reducing the duration of diarrhea in children with acute colitis: a double-blind randomized placebo-controlled trial 博拉氏酵母加阿奇霉素在减少急性结肠炎儿童腹泻持续时间方面优于阿奇霉素:一项双盲随机安慰剂对照试验
IF 0.8 Q4 IMMUNOLOGY Pub Date : 2022-05-28 DOI: 10.34172/ipp.2022.31397
M. Ahmadi, N. Mohtasham, A. Shamsizadeh, H. Javaherizadeh, B. Cheraghian, Masumeh Alizadeh
Introduction: Diarrheal disorders remain a major disease burden throughout the world in pediatrics that remains a health problem. Several treatment methods have been proposed to treat diarrhea, however each of them has some problems. Objectives: The aim of this study was the evaluation the effect of oral Saccharomyces boulardii on the duration and severity of colitis. Patients and Methods: This randomized clinical trial study included ninety-four patients with acute colitis were enrolled. The children were divided randomly into case and control groups. The control group received supportive treatment including intravenous or oral fluid therapy (ORS solution), antibiotic treatment with azithromycin suspension, and zinc sulfate syrup daily for five days. In addition to the mentioned treatments, the intervention group received S. boulardii as a probiotic capsule. Then, the duration and severity of diarrhea based on the Vesikari score were evaluated for all the patients for five first days. Results: The mean of Vesikari score after the first day in both groups was similar, while after the third and fifth day in the probiotic group this score was lower than the control group (5.11 ± 1.73 versus 6.13 ± 2.25, P=0.031 and 2.36 ± 1.16 versus 4.28 ±1.19, P<0.001, respectively). Furthermore, the number of diarrhea per day in the probiotic group was significantly lower after the first day in contrast to the control group, which remains significant at the end of the fifth day (2.32 ± 0.51 versus 2.83 ± 1.23, P=0.047). Moreover, we found that the diarrhea duration (P<0.001), fever duration (P=0.029), and duration of hospitalization (P=0.006) were statistically lower in the case group as compared to the control. Conclusion: Saccharomyces boulardii had a beneficial effect as a probiotic agent in reducing the severity and duration of diarrhea, which could be beneficial for the treatment of colitis. Trial Registration: The trial protocol was approved by the Iranian Registry of Clinical Trials (identifier: IRCT20161026030525N2); https://www.irct.ir/trial/24229; ethical code: IR.AJUMS.REC.1395.54.
简介:腹泻疾病仍然是世界各地儿科的主要疾病负担,仍然是一个健康问题。已经提出了几种治疗腹泻的方法,但是每种方法都有一些问题。目的:本研究的目的是评估口服博氏酵母菌对结肠炎持续时间和严重程度的影响。患者和方法:这项随机临床试验研究纳入了94例急性结肠炎患者。孩子们被随机分为实验组和对照组。对照组患者给予支持性治疗,包括静脉或口服液体治疗(ORS溶液)、阿奇霉素混悬液抗生素治疗、硫酸锌糖浆治疗,每日5天。除了上述治疗外,干预组还服用博氏沙门氏菌益生菌胶囊。然后,根据Vesikari评分对所有患者前5天的腹泻持续时间和严重程度进行评估。结果:两组患儿第1天的Vesikari评分平均值相近,第3、5天的Vesikari评分低于对照组(5.11±1.73比6.13±2.25,P=0.031; 2.36±1.16比4.28±1.19,P<0.001)。此外,在第1天之后,益生菌组每天腹泻次数显著低于对照组,在第5天结束时仍然显著(2.32±0.51比2.83±1.23,P=0.047)。此外,我们发现病例组的腹泻持续时间(P<0.001)、发热持续时间(P=0.029)和住院时间(P=0.006)均低于对照组,具有统计学意义。结论:博拉氏酵母菌作为一种益生菌剂具有减轻腹泻严重程度和持续时间的有益作用,有利于结肠炎的治疗。试验注册:试验方案已获得伊朗临床试验注册中心批准(标识符:IRCT20161026030525N2);https://www.irct.ir/trial/24229;道德准则:IR.AJUMS.REC.1395.54。
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引用次数: 0
Consistency analysis of ultrasound-guided fine-needle aspiration and histopathology results in thyroid nodules 超声引导下甲状腺结节细针抽吸与组织病理学结果的一致性分析
IF 0.8 Q4 IMMUNOLOGY Pub Date : 2022-05-28 DOI: 10.34172/ipp.2022.31350
A. Bahrami, Soheila Valizadeh, Nasser Aghamohammadzadeh, F. Najafipour, M. Halimi, Reza Javad-Rashid, J. Jalili, Jalil Houshyar
Introduction: Thyroid nodules are considered as a frequent clinical problem. The great majority of thyroid nodules are benign; however malignancy probability is predicted to be 5-10%. The inconsistency between ultrasonography and fine-needle aspiration (FNA) findings is one of important problems in management of thyroid nodules. Objectives: This study was designed to investigate the consistency of ultrasonography, FNA and histopathology findings in thyroid nodules. Patients and Methods: In this descriptive study, 93 patients who were candidate for thyroid surgery were included. Data on ultrasound-guided fine-needle aspiration of the thyroid and histopathologic results before and after surgery were considered. The Cramér’s V and Fisher’s exact tests were conducted for this study. Results: In patients whose ultrasound (US) results were low-suspicious, we observed a significant correlation between FNA and pathology results (Cramér’s V = 0.574, P = 0.037). However, relationship between FNA and pathology was not accessible among patients whose ultrasonography results were intermediate suspicious or high-suspicious due to insufficient number of samples. Conclusion: In our study, a significant correlation was observed between FNA and pathology results in low-suspicious nodules.
简介:甲状腺结节被认为是一个常见的临床问题。绝大多数甲状腺结节是良性的;然而,恶性概率预测为5-10%。超声检查与细针穿刺(FNA)检查结果的不一致是甲状腺结节治疗的重要问题之一。目的:探讨甲状腺结节的超声、FNA及病理检查结果的一致性。患者和方法:在这项描述性研究中,纳入了93例甲状腺手术候选者。考虑超声引导下甲状腺细针穿刺的数据和手术前后的组织病理学结果。cramsamr V和Fisher的精确测试是为了这项研究而进行的。结果:在超声(US)结果为低可疑的患者中,我们观察到FNA与病理结果有显著相关性(cramsamrs’s V = 0.574, P = 0.037)。但在超声检查结果为中度可疑或高度可疑的患者中,由于样本数量不足,FNA与病理的关系尚不明确。结论:在我们的研究中,FNA与低可疑结节的病理结果有显著的相关性。
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引用次数: 1
Composition of the essential oils, antioxidant and antibacterial activities of the methanolic extract of Prangos uloptera 大翅果甲醇提取物精油组成及抗氧化、抗菌活性研究
IF 0.8 Q4 IMMUNOLOGY Pub Date : 2022-05-28 DOI: 10.34172/ipp.2022.29278
Ali Valibeik, Narges Tavakoli, H. Amiri, Rouhollah Heydari, Leila Hasanvand, R. Rostami, Niloufar Tavakoli Dastjerd, H. Ahmadvand
Background: Prangos uloptera is a medicinal plant from the Apiaceae family which is native to Iran. Objectives: In the current study, phytochemical constituents of the essential oils, antibacterial and antioxidant activities of methanolic extract of the aerial parts of P. uloptera were investigated. Materials and Methods: To determine the main ingredients of the essential oils and to investigate the antioxidant and antibacterial activities of this plant, the GC-MS (gas chromatography - mass spectrometry) analysis, DPPH (2,2-diphenyl-1-picrylhydrazyl) assay and microdilution method were used. Results: The GC–MS analysis showed that the leading constituents of the essential oils were butyl octanoate (24.88%), 9-Octadecenoic acid (Z) (14.19%) and alpha-pinene (19.28%) in the flowers, fruit and leaves, respectively. The greatest amount of phenolic compound was observed in methanolic extract of the leaves (0.5 ± 0.11 mgGAEs/g). Likewise, the greatest level of flavonoids (0.074 ± 12.4 mg QEs/g) was identified in the leaves. Furthermore, DPPH assay showed the most radical scavenging activity (IC50 201.7 ± 20.39 μg/mL) in the methanolic extract of the leaves. The highest total antioxidant capacity was observed in the fruit (0.004 ± 0.0005 g AAE/ml). The antibacterial activity of the plant extracts against the pathogenic fungal and bacterial species was investigated by broth microdilution method. Minimum bactericidal concentration (MBC) and minimum inhibitory concentration (MIC) amounts were in the ranges of 312 to 10000 and 1000 to 10000 mg/ml, respectively. Conclusion: The results of this research demonstrated that P. uloptera was a potent source of useful bioactive compounds, making it a promising candidate for further studies.
背景:桔梗是一种原产于伊朗的安科药用植物。目的:研究翅翅小蠊地上部位挥发油的植物化学成分及甲醇提取物的抑菌和抗氧化活性。材料与方法:采用气相色谱-质谱联用法(GC-MS)、DPPH(2,2-二苯基-1-苦味酰肼)测定法和微量稀释法测定其挥发油的主要成分,研究其抗氧化和抗菌活性。结果:气相色谱-质谱分析表明,花、果、叶中挥发油的主要成分分别为辛酸丁酯(24.88%)、9-十八烯酸(14.19%)和α -蒎烯(19.28%)。叶甲醇提取物中酚类化合物含量最高(0.5±0.11 mgGAEs/g)。黄酮类化合物含量最高(0.074±12.4 mg QEs/g)。DPPH实验显示,乙醇提取物对自由基的清除能力最强(IC50为201.7±20.39 μg/mL)。果实的总抗氧化能力最高(0.004±0.0005 g AAE/ml)。采用微量肉汤稀释法研究了植物提取物对病原菌和细菌的抑菌活性。最小杀菌浓度(MBC)为312 ~ 10000 mg/ml,最小抑菌浓度(MIC)为1000 ~ 10000 mg/ml。结论:本研究结果表明,该植物是一种有效的生物活性化合物来源,具有进一步研究的潜力。
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引用次数: 0
Autoimmune thyroid disease in women with ages between 35 to 45 years based on Azar cohort data 基于阿扎尔队列数据的35-45岁女性自身免疫性甲状腺疾病
IF 0.8 Q4 IMMUNOLOGY Pub Date : 2022-05-02 DOI: 10.34172/ipp.2022.25265
A. Bahrami, F. Ghorbani, Nasser Aghamohammadzadeh, Farzad Najafipur, Vahieh Sadra
Introduction: Autoimmune thyroid diseases are common findings in women of childbearing age that could affect fertility rate, pregnancy outcome and complications after pregnancy. These diseases also correlated with other autoimmune diseases. Objectives: In this study, we aim to evaluate the autoimmune thyroid disease in women aged 35 to 45 years based on Azar cohort study data. Patients and Methods: In this cross-sectional analytical study, 507 women 35-45 years old without previous thyroid disease from Azar cohort study were evaluated. Demographic findings, data related to previous pregnancies, abortion, miscarriage, infertility and gestational diabetes were recorded for all patients. Blood samples were taken from all patients to measure TSH and anti-thyroid peroxidase (anti-TPO) levels. Anti-TPO levels ≥40 IU/mL were considered positive. Results: In the studied women, miscarriage occurred in 5.3%, abortion in 27.6% and infertility in 7.3%. Gestational diabetes was reported in 3.9%. The positive anti-TPO prevalence was 21.5%. Patients with positive anti-TPO compared to those with negative anti-TPO had significantly higher cases of hypothyroidism (P<0.001). There was no difference between patients with and without positive anti-TPO regarding miscarriage (5% versus 6.4%), abortion (27.4% versus 28.4%), infertility (7.5% versus 6.4%) and gestational diabetes (7.9% versus 3.6%) (P>0.05). There was no correlation between age and anti-TPO levels. Conclusion: The prevalence of thyroid antibodies in our study population is higher than previous studies. Anti-TPO positivity has no significant effect on pregnancy outcome in this population. Further studies are necessary to define the exact effect of anti-TPO on pregnancy outcomes.
引言:自身免疫性甲状腺疾病是育龄妇女的常见疾病,可能影响生育率、妊娠结局和妊娠后并发症。这些疾病还与其他自身免疫性疾病相关。目的:在本研究中,我们旨在根据阿扎尔队列研究数据评估35-45岁女性的自身免疫性甲状腺疾病。患者和方法:在这项横断面分析研究中,对来自阿扎尔队列研究的507名35-45岁既往无甲状腺疾病的女性进行了评估。记录所有患者的人口学调查结果、与既往妊娠、流产、流产、不孕和妊娠期糖尿病相关的数据。从所有患者身上采集血样,以测量TSH和抗甲状腺过氧化物酶(抗TPO)水平。抗TPO水平≥40 IU/mL被认为是阳性的。结果:研究妇女流产率为5.3%,流产率为27.6%,不孕率为7.3%。妊娠期糖尿病报告率为3.9%。抗TPO阳性率为21.5%。与抗TPO阴性患者相比,抗TPO呈阳性的患者甲状腺功能减退率显著升高(P0.05)。年龄与抗TPO水平无相关性。结论:在我们的研究人群中,甲状腺抗体的患病率高于以往的研究。抗TPO阳性对该人群的妊娠结局没有显著影响。需要进一步的研究来确定抗TPO对妊娠结局的确切影响。
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引用次数: 0
The evaluation of COVID-19 effect on pregnancy loss; a molecular and diagnostic approach COVID-19对妊娠损失的影响评价分子和诊断方法
IF 0.8 Q4 IMMUNOLOGY Pub Date : 2022-04-24 DOI: 10.34172/ipp.2022.30332
Narjes Afrooz, Seyedeh Kosar Mahmoudi, Mina Yazdizadeh, Zahra Jahanshahiafshar, Neda Sabernia, Marzieh Rohaninasab
The severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) virus originates from Wuhan, China; it has spread around the world. According to studies, the results of the SARS-CoV-2 test have been reported positive for some pregnant women. However, not much is known about the effect of this virus on pregnancy and the outcome of baby. The aim of this review study was to evaluate the molecular and diagnostic approach in evaluating the effect of coronavirus disease 2019 (COVID-19) on pregnancy loss. The entry of COVID-19 virus into the pregnant mother’s body through various channels, such as the angiotensin-converting enzyme receptor (ACE2) affects immune and coagulation systems and hormone levels. These changes include D-Dimer, platelets and antithrombin III (AT-III) raises and protein C (PC) decrement and also elevated levels of pro-inflammatory cytokines, including IL-6, followed by disruption of various signaling pathways such as JAK / STAT and PI3K. Additionally, decreased expression of cyclooxygenase 1 (COX1) and prostaglandin E2 (PGE2) and hormones such as progesterone were observed. These changes ultimately lead to serious pregnancy risks, including miscarriage. Therefore, identifying pathways by which COVID-19 impairs immune and coagulation systems of pregnant women can be a way to design abortion preventive strategies.
严重急性呼吸综合征冠状病毒2 (SARS-CoV-2)起源于中国武汉;它已经蔓延到世界各地。根据研究,一些孕妇的SARS-CoV-2检测结果呈阳性。然而,这种病毒对怀孕和婴儿结局的影响尚不清楚。本综述研究的目的是评估2019冠状病毒病(COVID-19)对妊娠损失影响的分子和诊断方法。COVID-19病毒通过血管紧张素转换酶受体(ACE2)等多种途径进入孕妇体内,影响免疫系统、凝血系统和激素水平。这些变化包括d -二聚体、血小板和抗凝血酶III (AT-III)升高,蛋白C (PC)降低,促炎细胞因子水平升高,包括IL-6,随后是各种信号通路如JAK / STAT和PI3K的破坏。此外,环氧化酶1 (COX1)、前列腺素E2 (PGE2)及黄体酮等激素表达降低。这些变化最终会导致严重的怀孕风险,包括流产。因此,确定COVID-19损害孕妇免疫和凝血系统的途径可能是设计流产预防策略的一种方式。
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引用次数: 1
Association of Helicobacter pylori infection with chronic obstructive pulmonary disease 幽门螺杆菌感染与慢性阻塞性肺疾病的关系
IF 0.8 Q4 IMMUNOLOGY Pub Date : 2022-04-24 DOI: 10.34172/ipp.2022.32412
Saeid Hosseininia, Susan Mohammadi-Kebar, F. Pourfarzi, M. Bahadoram, Masoud Aslani
Introduction: Chronic obstructive pulmonary disease (COPD) is a disease that is systematically characterized by an abnormal inflammatory response affecting the airways, interstitium and vascular bed through reactions to gas and particles, especially cigarette smoking. Recent studies have shown an association between Helicobacter pylori infection and various inflammatory diseases. H. pylori is a gram-negative, microbial bacterium that can be resistant to acidic stomach conditions and can interfere with gastric urease production. In this study, we examined the relationship between H. pylori infection in patients with COPD and the prevalence of H. pylori infection. Objectives: Determining the association between H. pylori infection and COPD. Patients and Methods: This case-control study is based on the Persian cohort study of patients who were referred to the digestive disease research center after being identified in the pulmonary clinic for H. pylori fecal antigen. Information on demographic variables and other related variables were obtained. Finally, the collected information was entered into SPSS software version 24 and the results were displayed descriptively using distribution and frequency tables and graphs and analytical statistics were analyzed using t test and logistic regression. Results: Out of 250 patients, 134 (53.6%) tested positive for H. pylori and 116 (46.4%) tested negative. Out of a total of 250 non-infected people; 106 patients (42.4%) were positive and 144 patients (57.6%) were negative. The two groups were statistically significantly different based on the chi-square test (P = 0.012). Conclusion: Our study showed a direct and significant relationship between H. pylori and COPD, which can be due to the effect of bacteria on lung growth in early life and also the development of systemic inflammation throughout life.
引言:慢性阻塞性肺病(COPD)是一种系统性疾病,其特征是通过对气体和颗粒物的反应,特别是吸烟,影响气道、间质和血管床的异常炎症反应。最近的研究表明,幽门螺杆菌感染与各种炎症性疾病之间存在关联。幽门螺杆菌是一种革兰氏阴性微生物,对酸性胃条件具有耐药性,并可干扰胃脲酶的产生。在这项研究中,我们检测了COPD患者幽门螺杆菌感染与幽门螺杆菌患病率之间的关系。目的:确定幽门螺杆菌感染与COPD之间的关系。患者和方法:这项病例对照研究基于波斯队列研究,这些患者在肺部诊所被鉴定为幽门螺杆菌粪便抗原后被转诊到消化道疾病研究中心。获得了人口统计变量和其他相关变量的信息。最后,将收集到的信息输入SPSS软件版本24,并使用分布和频率表和图表描述结果,并使用t检验和逻辑回归分析分析统计数据。结果:在250名患者中,134名(53.6%)幽门螺杆菌检测呈阳性,116名(46.4%)检测呈阴性。在总共250名未感染者中;阳性106例(42.4%),阴性144例(57.6%)。根据卡方检验,这两组患者在统计学上有显著差异(P=0.012)。结论:我们的研究表明,幽门螺杆菌与COPD之间存在直接而显著的关系,这可能是由于细菌在早期对肺部生长的影响,以及在一生中全身炎症的发展。
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Immunopathologia Persa
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