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MicroRNAs as biomarkers in prostate cancer: A mini review 作为前列腺癌生物标志物的微RNA:微型综述
Pub Date : 2024-02-15 DOI: 10.18231/j.ijcbr.2023.049
Kowsalya R
Among men one of the most common cancers identified globally is prostate cancer. Although the serum prostate specific antigen remains important for prognosis and diagnosis, the PSA assay is not highly accurate. In the search for improved minimally invasive methods as a biomarker, the expression patterns of circulating miRNAs have a potential importance and are emerging as a promising candidate as prognostic markers for prostate cancer.
前列腺癌是全球最常见的男性癌症之一。虽然血清前列腺特异性抗原对预后和诊断仍然很重要,但 PSA 检测的准确性不高。在寻找更好的微创方法作为生物标志物的过程中,循环 miRNAs 的表达模式具有潜在的重要性,并正在成为前列腺癌预后标志物的有希望的候选者。
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引用次数: 0
A mandatory practice in type 2 diabetes mellitus to maintain quality of life 2 型糖尿病患者保持生活质量的必修课
Pub Date : 2024-02-15 DOI: 10.18231/j.ijcbr.2023.053
S. Shrestha, Pradeep Krishna Shrestha, Binod Kumar Yadav
Nepalese owing to modern lifestyle and processed food are racially at an elevated risk of acquiring central obesity-related insulin resistance (IR) and thus Type 2 diabetes mellitus (T2DM) and Diabetic Kidney Disease (DKD). Low birth weight in utero and later becoming obese risks the development of T2DM. In a total of eighty-four newly diagnosed treatment-naive Nepalese T2DMs, incidence of IR, percentage beta-cell function (%BCF) and percentage insulin sensitivity (%IS) were determined using Homeostatic Model Assessment 2 (HOMA2-IR). Association of HOMA2-IR with albuminuria, kidney function, hs-CRP, fatty liver, fatty pancreas, several anthropometric and biochemical parameters were analyzed. Among the eighty-four T2DMs, fifty-four agreeing regular follow-ups were prescribed a low-carbohydrate diet (<130gm/day). At 6 months, their glycemic controls were monitored. From 84 newly diagnosed T2DMs, 56 (66.7%) were insulin resistant and 28(33.3%) insulin-sensitive on HOMA2-IR. There was a significant association of HOMA2-IR with albuminuria and declining kidney function (p=0.006 and 0.034 respectively) and most of them were at reversible stages. Waist circumference (WC), waist-hip ratio (WHR), lipid profile ratios, fatty liver and fatty pancreas were elucidated as potential markers for IR. The IS group (ISG) had significantly inadequate %BCF (p=0.001) but high %IS (p<0.001) has healthier WHR (p=0.001) and lipid profile ratios which are opposite to IR group (IRG). 13 ISG had raised hs-CRP and 15 normal and 21 IRG had normal hs-CRP and 35 raised. At 6 months, the IRG achieved significantly better postprandial glycemic goals (p=0.04) and significant improvement in WC and WHR (p=0.008 and 0.03 respectively) with a low-carbohydrate diet as compared to ISG. Severe insulin resistance and IR-associated DKD, fatty liver and fatty pancreas are highly prevalent from the time of diagnosis of T2DM in the Nepalese population. Thus inspecting for IR and its consequences mandatorily at diagnosis and applying precision therapies like adjustments in the quality and quantity of staple food carbohydrates significantly improves IR-related parameters and glycemia.
由于现代生活方式和加工食品的影响,尼泊尔人患与中心性肥胖相关的胰岛素抵抗(IR),进而患 2 型糖尿病(T2DM)和糖尿病肾病(DKD)的风险较高。胎儿出生时体重过轻以及后来的肥胖都有可能导致 T2DM 的发生。在八十四例新诊断的、未接受治疗的尼泊尔 T2DM 患者中,使用 "稳态模型评估 2"(HOMA2-IR)测定了 IR 发生率、β 细胞功能百分比(%BCF)和胰岛素敏感性百分比(%IS)。分析了HOMA2-IR与白蛋白尿、肾功能、hs-CRP、脂肪肝、脂肪胰腺、多项人体测量和生化指标的关系。在 84 名 T2DM 患者中,54 人同意定期随访,并接受了低碳水化合物饮食(<130 克/天)。6 个月后,对他们的血糖控制情况进行监测。在 84 名新确诊的 T2DM 患者中,有 56 人(66.7%)出现胰岛素抵抗,28 人(33.3%)对 HOMA2-IR 敏感。HOMA2-IR与白蛋白尿和肾功能衰退有明显关联(P分别为0.006和0.034),且大部分处于可逆阶段。腰围(WC)、腰臀比(WHR)、血脂谱比率、脂肪肝和脂肪胰腺被认为是 IR 的潜在标志物。IS组(ISG)的BCF%明显不足(p=0.001),但IS%较高(p<0.001),WHR(p=0.001)和血脂谱比率较健康,这与IR组(IRG)相反。13 例 ISG 组 hs-CRP 升高,15 例正常;21 例 IRG 组 hs-CRP 正常,35 例升高。与ISG相比,在6个月时,IRG通过低碳水化合物饮食达到了明显更好的餐后血糖目标(P=0.04),并且体重减轻和体重增加也有明显改善(P分别为0.008和0.03)。在尼泊尔人群中,严重的胰岛素抵抗和与 IR 相关的 DKD、脂肪肝和脂肪胰腺在 T2DM 诊断时就非常普遍。因此,在诊断时就必须检查胰岛素抵抗及其后果,并采用精确疗法,如调整主食碳水化合物的质量和数量,可显著改善胰岛素抵抗相关指标和血糖。
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引用次数: 0
Comparison of two parathyroid hormone (pth) assay methods in the monitoring of black african hemodialysis patients in the ivory coast (Maglumi® vs Vidas Biomerieux® Kits) 比较两种甲状旁腺激素(PTH)检测方法(Maglumi® 和 Vidas Biomerieux® 试剂盒)在监测象牙海岸非洲黑人血液透析患者中的应用
Pub Date : 2024-02-15 DOI: 10.18231/j.ijcbr.2023.052
Yao Epse Yapo Carine Mireille, Y. Eric, Kouacou Kadio Morel, Konan Konan Jean-Louis, Kone Dakouri Benedicte
Parathyroid hormone (PTH) testing is recommended once or twice a year to prevent bone complications resulting from chronic kidney disease. However, its interpretation is subject to many factors, including the generation of the PTH test used. For this reason, it is recommended that each laboratory establish its own PTH Upper Limit of Normality (ULN). In order to guarantee optimal management of hemodialysis patients in the public sector in Côte d'Ivoire (West Africa), it proved important to compare the diagnosis of hyperparathyroidism made using two platforms used in the laboratory in charge of monitoring these patients: PTH VIDAS® (3rd Generation) and PTH MAGLUMI® (2nd Generation). This was a cross-sectional study of 65 haemodialysis patients in Abidjan. PTH determinations were performed simultaneously on VIDAS® and MAGLUMI® platforms. The results obtained were interpreted on the basis of PTH threshold values pre-established in the laboratory. 86.15% of patients had concordant diagnoses on both platforms, compared with 13.85% with discordant diagnoses. Statistical analysis of these results showed a non-statistically significant difference.: The limitation posed by differences in PTH concentration given by different platforms can be circumvented by using PTH ULN stablished for each platform for a given population. Conclusion: The diagnoses made by the two platforms are thus superimposable using their respective PTH ULN.
建议每年进行一到两次甲状旁腺激素(PTH)检测,以预防慢性肾病导致的骨骼并发症。然而,其解释受许多因素的影响,包括所使用的 PTH 检测方法。因此,建议每个实验室建立自己的 PTH 正常值上限(ULN)。为了保证对科特迪瓦(西非)公共部门的血液透析患者进行最佳管理,对负责监测这些患者的实验室所使用的两种平台进行甲状旁腺功能亢进诊断的比较证明非常重要:PTH VIDAS®(第三代)和 PTH MAGLUMI®(第二代)。这是一项针对阿比让 65 名血液透析患者的横断面研究。PTH测定在VIDAS®和MAGLUMI®平台上同时进行。所得结果根据实验室预先设定的 PTH 临界值进行解释。86.15%的患者在两个平台上的诊断结果一致,而13.85%的患者诊断结果不一致。对这些结果的统计分析显示,两者之间的差异无统计学意义:不同平台给出的 PTH 浓度不同所造成的限制可以通过使用每个平台为特定人群确定的 PTH ULN 来规避。结论因此,两个平台使用各自的 PTH ULN 所做的诊断是可以叠加的。
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引用次数: 0
Life and maladies in the grey area between the up & down regulation of GATA6: Uncharted spots of beta-pancreatic islet cells GATA6上下调节之间灰色地带的生命与弊病:β-胰岛细胞的未知点
Pub Date : 2024-02-15 DOI: 10.18231/j.ijcbr.2023.055
Mohammed Abdullah Al Shuhoumi, Amani Al Waili, Mark D Turner
Death and dysfunctionality of pancreatic islet beta-cells are a centric key element in the pathogenesis of type 2 diabetes mellitus (T2DM). Saturated fatty acids are commonly circulated in diabetic and obese individuals. Elevated and chronic exposure to fatty acids has a pernicious influence on islet cells’ functionality and survival due to its capability to induce apoptosis and endoplasmic reticulum (ER) stress. However, T2DM is a heterogeneous disorder that includes genetic and environmental factors in conjunction with dyslipidaemia with a considerably high rate of morbidity and mortality. There are many genes involved in the pathogenesis that remain to be charted. Here, we show a comprehensive interrogation of GATA6 based on previously published gene expression data on the basis of stating its validity via bioinformatics analysis and reaching a new understanding. Various datasets with different patient cohorts were compared and contrasted. Gene ontology and predictive pathway analysis (e.g., Kyoto Encyclopaedia of Genes and Genomes pathway; KEGG) were used to explore interactions of numerous differentially expressed genes. Protein-protein interactions network through the STRING database has appreciated a list of key genes. GATA6 interacted with genes from pathways that were significantly enriched (FDR<0.05) in the analysis of the KEGG pathway suggesting its close involvement, for example, 'maturity-onset diabetes of the young pathway’ and ‘pathways in cancer’. The most obvious finding to emerge from this study is that GATA6 plays an intrinsic role in islet beta cell differentiation and survival, and bioinformatics analysis allows the introduction of potentially reliable biomarkers that interact with GATA6, which required further validation studies.
胰岛β细胞的死亡和功能障碍是 2 型糖尿病(T2DM)发病机制的核心关键因素。饱和脂肪酸是糖尿病患者和肥胖者体内的常见循环物质。由于饱和脂肪酸能够诱导细胞凋亡和内质网(ER)应激,因此长期接触饱和脂肪酸会对胰岛细胞的功能和存活产生有害影响。然而,T2DM 是一种异质性疾病,包括遗传和环境因素以及血脂异常,发病率和死亡率相当高。有许多涉及发病机制的基因仍有待研究。在此,我们展示了基于之前公布的基因表达数据对 GATA6 的全面研究,通过生物信息学分析证明其有效性,并达成新的认识。我们对不同患者群的各种数据集进行了比较和对比。基因本体论和预测通路分析(如《京都基因组百科全书》通路;KEGG)被用来探索大量差异表达基因之间的相互作用。通过 STRING 数据库的蛋白质-蛋白质相互作用网络发现了一系列关键基因。GATA6与KEGG通路分析中显著富集(FDR<0.05)的通路中的基因发生了相互作用,这表明GATA6密切参与了 "成熟期发病的年轻糖尿病通路 "和 "癌症通路 "等通路。本研究最明显的发现是,GATA6 在胰岛β细胞分化和存活中发挥着内在作用,生物信息学分析允许引入与 GATA6 相互作用的潜在可靠生物标志物,这需要进一步的验证研究。
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引用次数: 0
Correlation study of CBC derivatives and biochemical prognostic marker in covid-19 patients CBC衍生物与covid-19患者生化预后指标的相关性研究
Pub Date : 2024-02-15 DOI: 10.18231/j.ijcbr.2023.054
Roshna Vijay
: SARS-CoV2 infection induces inflammatory responses and acute lung injury in human beings. Infection causes certain haematological and biochemical changes in patients. This study aimed analyze the correlation between CBC derivatives and biochemical prognostic marker in COVID-19.: Total 80 individuals selected, 50 COVID-19 positive patients and 30 subjects negative for COVID-19 RT-PCR test. Blood collected was sent to NLR, RDW, assayed in Beckman Coulter DxH 800. Serum CRP estimated by Immuno-turbidimetric method, ferritin by CLIA. Plasma collected estimate for D-DIMER by CLIA. Unpaired T test & Pearson correlation (IBM SPSS 22.0) were used. : Elevated levels of NLR (p value <0.001), RDW (p value <0.001), FERRITIN (p value <0.001), D-D-DIMER (p value <0.001), CRP (p value <0.001) some research parameters like LHD and RSF show significant decrease. In current study the NLR positively correlate to CRP (r value=0.5, p value <0.001), NLR positively correlate to D-DIMER (r value=0.3, p value<0.05), RDW positively correlated to CRP (r value=, 0.3, p value <0.05), RDW negatively correlated to ferritin (r value=-0.439, p value <0.001)LHD negatively correlated ferritin (r value=-0.316, p value=<0.05), MAF negatively correlated to D-dimer (r value=-0.244 <0.05), MSCV positively correlated with CRP (r value=0.336, p value= <0.05).: The cytokine storm produced during covid-19 infection which inturn develop neutrophilia and lymphopenia, CRP production and also cause elevation of procoagulants &D-dimer. RDW and CRP are positively correlated they are elevated during inflammatory conditions.RDW and FERRITIN show negative correlation. Retrospective study have some limitation so future studies will reveal more information.
:SARS-CoV2 感染会诱发人类的炎症反应和急性肺损伤。感染会引起患者某些血液学和生化指标的变化。本研究旨在分析 COVID-19 感染者的血细胞计数衍生物与生化预后指标之间的相关性:共选取 80 人,其中 50 人为 COVID-19 阳性患者,30 人为 COVID-19 RT-PCR 测试阴性患者。采集的血液送至 RDW 的 NLR,在 Beckman Coulter DxH 800 中进行化验。血清 CRP 采用免疫比浊法估算,铁蛋白采用 CLIA 法估算。收集的血浆通过 CLIA 方法估算 D-DIMER。采用非配对 T 检验和皮尔逊相关性检验(IBM SPSS 22.0)。 结果表明:NLR 水平升高(p 值<0.001)、RDW 水平升高(p 值<0.001)、铁蛋白水平升高(p 值<0.001)、D-DIMER 水平升高(p 值<0.001)、CRP 水平升高(p 值<0.001),而 LHD 和 RSF 等一些研究参数则明显下降。在本研究中,NLR 与 CRP 呈正相关(r 值=0.5,p 值<0.001),NLR 与 D-DIMER 呈正相关(r 值=0.3,p 值<0.05),RDW 与 CRP 呈正相关(r 值=,0.3,p 值<0.05),RDW 与铁蛋白呈负相关(r 值=-0.439,P值<0.001),LHD与铁蛋白负相关(r值=-0.316,P值=<0.05),MAF与D-二聚体负相关(r值=-0.244<0.05),MSCV与CRP正相关(r值=0.336,P值=<0.05):covid-19感染期间产生的细胞因子风暴会导致中性粒细胞增多、淋巴细胞减少、CRP生成,并引起促凝血剂和二聚体升高。RDW和CRP呈正相关,它们在炎症时升高。回顾性研究有一定的局限性,因此未来的研究将揭示更多信息。
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引用次数: 0
Biochemical profile of patients in ketosis-prone diabetes state in Côte d’Ivoire 科特迪瓦易患酮病糖尿病患者的生化特征
Pub Date : 2024-02-15 DOI: 10.18231/j.ijcbr.2023.051
Dere Kwadjo Anicet Luc, K. Gervais, Manhan Kahissie Noel, Fofana Seguenan, Tuo Wako-Tianwa Alice, T. G. Georges
: Diabetes keto-acidosis is the most serious hyperglycemic emergency in patients with diabetes. DKA has long been considered a key clinical feature of T1D. In this study, we assessed biochemical disorders focused on lipid and renal parameters in KPD.: We carried out a case-controls study for one year, encompassing 200 participants in total. Patients were outpatients newly diagnosed diabetics attending for the first time hospitals, controls were no-ketosis participants. Blood samples were taken, after 10 to 12 hours of fasting from the day before, in different tubes for each intended analyses according to instructor’s recommendation. The increased mean value of fasting blood glucose together with HbA1c are corrolated with ketonuria. As regard to cardio-metabolic risk, ketosis-prone patients were at greater risk than no-ketosis controls The mean AIP value was higher in KPD women than in men, with no significant statistical correlation. Uremia and creatininemia, two kidney parameters commonly prescribed to explore glomerular filtration, were correlated with some social indicators. The mean values of these both parameters increased significantly with age in KPD group. Creatinine increased significantly with age in patients, in line with glomerular filtration rate (GFR). The older the participants, the higher the mean values of these parameters. : These biochemical parameters, high atherogenic index and lower glomerular filtration rate, documented in our study, must be sought out when inaugural ketosis is suspected for improving the clinical prognosis of patients in the initial step of management.
:糖尿病酮症酸中毒是糖尿病患者最严重的高血糖急症。长期以来,DKA 一直被认为是 T1D 的主要临床特征。在这项研究中,我们评估了酮症酸中毒患者的生化紊乱,重点是血脂和肾脏参数:我们开展了一项为期一年的病例对照研究,共有 200 名参与者。患者为首次到医院就诊的门诊新确诊糖尿病患者,对照组为无酮症患者。在前一天空腹 10 到 12 个小时后,根据指导老师的建议,在不同的试管中抽取血液样本,用于每次预期的分析。空腹血糖平均值和 HbA1c 的升高与酮尿症有关。在心血管代谢风险方面,易患酮病的患者比未患酮病的对照组风险更高。KPD 女性患者的 AIP 平均值高于男性,但无显著的统计学相关性。尿毒症和肌酐血症这两项常用于检测肾小球滤过功能的肾脏参数与一些社会指标相关。在 KPD 组中,这两个参数的平均值随着年龄的增长而显著增加。肌酐随着患者年龄的增长而明显增加,这与肾小球滤过率(GFR)一致。年龄越大,这些参数的平均值就越高。 我们的研究表明,当怀疑患者患有就诊酮症时,必须注意这些生化参数、高致动脉粥样硬化指数和较低的肾小球滤过率,以便在治疗初期改善患者的临床预后。
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引用次数: 0
Life and maladies in the grey area between the up & down regulation of GATA6: Uncharted spots of beta-pancreatic islet cells GATA6上下调节之间灰色地带的生命与弊病:β-胰岛细胞的未知点
Pub Date : 2024-02-15 DOI: 10.18231/j.ijcbr.2023.055
Mohammed Abdullah Al Shuhoumi, Amani Al Waili, Mark D Turner
Death and dysfunctionality of pancreatic islet beta-cells are a centric key element in the pathogenesis of type 2 diabetes mellitus (T2DM). Saturated fatty acids are commonly circulated in diabetic and obese individuals. Elevated and chronic exposure to fatty acids has a pernicious influence on islet cells’ functionality and survival due to its capability to induce apoptosis and endoplasmic reticulum (ER) stress. However, T2DM is a heterogeneous disorder that includes genetic and environmental factors in conjunction with dyslipidaemia with a considerably high rate of morbidity and mortality. There are many genes involved in the pathogenesis that remain to be charted. Here, we show a comprehensive interrogation of GATA6 based on previously published gene expression data on the basis of stating its validity via bioinformatics analysis and reaching a new understanding. Various datasets with different patient cohorts were compared and contrasted. Gene ontology and predictive pathway analysis (e.g., Kyoto Encyclopaedia of Genes and Genomes pathway; KEGG) were used to explore interactions of numerous differentially expressed genes. Protein-protein interactions network through the STRING database has appreciated a list of key genes. GATA6 interacted with genes from pathways that were significantly enriched (FDR<0.05) in the analysis of the KEGG pathway suggesting its close involvement, for example, 'maturity-onset diabetes of the young pathway’ and ‘pathways in cancer’. The most obvious finding to emerge from this study is that GATA6 plays an intrinsic role in islet beta cell differentiation and survival, and bioinformatics analysis allows the introduction of potentially reliable biomarkers that interact with GATA6, which required further validation studies.
胰岛β细胞的死亡和功能障碍是 2 型糖尿病(T2DM)发病机制的核心关键因素。饱和脂肪酸是糖尿病患者和肥胖者体内的常见循环物质。由于饱和脂肪酸能够诱导细胞凋亡和内质网(ER)应激,因此长期接触饱和脂肪酸会对胰岛细胞的功能和存活产生有害影响。然而,T2DM 是一种异质性疾病,包括遗传和环境因素以及血脂异常,发病率和死亡率相当高。有许多涉及发病机制的基因仍有待研究。在此,我们展示了基于之前公布的基因表达数据对 GATA6 的全面研究,通过生物信息学分析证明其有效性,并达成新的认识。我们对不同患者群的各种数据集进行了比较和对比。基因本体论和预测通路分析(如《京都基因组百科全书》通路;KEGG)被用来探索大量差异表达基因之间的相互作用。通过 STRING 数据库的蛋白质-蛋白质相互作用网络发现了一系列关键基因。GATA6与KEGG通路分析中显著富集(FDR<0.05)的通路中的基因发生了相互作用,这表明GATA6密切参与了 "成熟期发病的年轻糖尿病通路 "和 "癌症通路 "等通路。本研究最明显的发现是,GATA6 在胰岛β细胞分化和存活中发挥着内在作用,生物信息学分析允许引入与 GATA6 相互作用的潜在可靠生物标志物,这需要进一步的验证研究。
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引用次数: 0
Assessment of serum markers in preeclampsia: A prospective study 评估子痫前期的血清标志物:一项前瞻性研究
Pub Date : 2024-02-15 DOI: 10.18231/j.ijcbr.2023.056
Hülya Çiçek, Abdalrhman Kuba, M. Uğur, Elif Bacak Güllü, N. Tepe
Preeclampsia is a disease characterized by hypertension, proteinuria, and edema that occurs after the 20th gestational week. It is among the most important reasons for maternal/perinatal morbidity and mortality. Although many studies have been carried out, the pathophysiology of the disease is not fully known. Many methods have been proposed for evaluating risk factors leading to preeclampsia. In the past, the methods used to predict preeclampsia have usually been focused on non-biochemical markers, but nowadays there is a shift towards biochemical markers. Recently, many biochemical agents have been started to be used in the prediction of preeclampsia. In this study, the evaluation of some serum biomarkers in the follow-up preeclampsia was aimed. Serum nesfatin, ezrin, placental protein 13, hypoxia-inducible factor 1-α subunit (HIF1A), and neuropilin 1 levels were examined with the ELISA method. In the study, 90 samples taken from subjects, including pre-treatment preeclampsia (n =35), post-treatment preeclampsia (n = 35), and healthy control (n = 20) groups were evaluated. The data obtained from the study was analyzed with SPSS 22.0. As a result of the statistical analysis, pre-treatment nesfatin-1, and ezrin levels were found significantly lower than post-treatment and the healthy control group and HIF-1A levels were found significantly higher. As a result of these analyses, pre-treatment and post-treatment PP13 levels were found to be significantly higher than the healthy control group.Considering the results obtained from the study, we can say that nestin, ezrin, HIF1A, PP13, and NRP1 are important biomarkers for predicting preeclampsia.
子痫前期是一种在妊娠 20 周后发生的以高血压、蛋白尿和水肿为特征的疾病。它是孕产妇/围产期发病率和死亡率的最重要原因之一。尽管已开展了许多研究,但对该疾病的病理生理学尚不完全清楚。人们提出了许多方法来评估导致子痫前期的风险因素。过去,用于预测子痫前期的方法通常侧重于非生化标志物,但如今已转向生化标志物。最近,许多生化指标已开始用于预测子痫前期。本研究旨在评估子痫前期随访中的一些血清生物标志物。研究采用 ELISA 方法检测了血清内司蛋白、ezrin、胎盘蛋白 13、缺氧诱导因子 1-α 亚基(HIF1A)和神经蛋白 1 的水平。研究共评估了 90 份受试者样本,包括治疗前子痫组(35 人)、治疗后子痫组(35 人)和健康对照组(20 人)。研究数据采用 SPSS 22.0 进行分析。统计分析结果显示,治疗前子痫前期 nesfatin-1 和 ezrin 水平明显低于治疗后健康对照组,HIF-1A 水平明显高于治疗后健康对照组。考虑到研究结果,我们可以说 nestin、ezrin、HIF1A、PP13 和 NRP1 是预测子痫前期的重要生物标志物。
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引用次数: 0
The Vax effect: Role of global vaccination initiatives in pandemic control and impact in Dehradun during COVID-19 疫苗效应:全球疫苗接种行动在大流行病控制中的作用以及 COVID-19 期间在德拉敦产生的影响
Pub Date : 2024-02-15 DOI: 10.18231/j.ijcbr.2023.057
Ankita Singh, Nivedita Chetan Gurada, Nidhi Mahendru, Abhijeet Kashyap, Sourabh Bhanu, Narotam Sharma, Ritu Kaushik
COVID-19 was one of the most contagious diseases spread throughout the world and caused by the Corona virus. Its cellular and molecular profiling was performed on individuals suffering from Covid-19-like sickness in Dehradun. During this investigation, 100 random samples were taken from patients. Real Time PCR amplification of suspected cases of Covid-19 was done where 68% of the cases were positive. The proportions and patterns of positive cases and hospital admissions for covid-19 in the third wave in Dehradun were significantly different when compared to the first and second waves. This disparity was caused by a number of factors, including changes in lifestyle, natural immunological ability to cope with recent waves of natural infections, and the most important factor, which was that more than 83% of people over the age of 18 years had received the first or both doses of the vaccine. The Covid-19 vaccines were so effective due to which there was a very low rate of serious infection, hospitalization, and mortality.
COVID-19 是由科罗娜病毒引起的、在全世界传播最广的传染病之一。对德拉敦的 Covid-19 类疾病患者进行了细胞和分子分析。调查期间,从患者身上随机抽取了 100 份样本。对 Covid-19 疑似病例进行了实时 PCR 扩增,68% 的病例呈阳性。与第一轮和第二轮调查相比,德拉敦第三轮调查中阳性病例的比例和模式以及因Covid-19而入院的人数有显著差异。造成这种差异的因素有很多,包括生活方式的改变、应对最近几波自然感染的天然免疫能力,以及最重要的一个因素,即超过 83% 的 18 岁以上人群已经接种了第一剂或两剂疫苗。由于 Covid-19 疫苗非常有效,因此严重感染、住院和死亡率都非常低。
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引用次数: 0
Expanding the screening of newborns for detecting inborn errors in metabolism using next generation sequencing following mass spectrometry/immunoassay 在质谱/免疫测定之后使用新一代测序技术扩大新生儿筛查范围,以检测先天性代谢错误
Pub Date : 2024-02-15 DOI: 10.18231/j.ijcbr.2023.059
A. Christy, Eatu Das, Jasmin Surana, Pradnya Padhye, Kedar Shirodkar, Rakhi Bajpai Dixit, Kirti Chadha
Inborn errors of metabolism are rare inherited disorders which leads to significant morbidity and mortality in patients. Very few studies have been conducted in India to assess prevalence of Inborn Errors of Metabolism (IEM) in newborns. We proposed testing by TMS/TR-FIA followed by NGS. This pilot study would be one of the first expanded NBS studies in India.The aim of this study was to determine the prevalence of IEM in newborns based on the samples received at Metropolis Global Reference Lab, India. Next-generation sequencing (NGS) was done as a confirmational analysis for patients tested presumptive positive on Newborn screening using Tandem Mass spectrometry (TMS) and Time-resolved fluoroimmunoassay (TR-FIA).  Two years retrospective study was conducted based on incidences of IEM using TMS and TR-FIA. NGS testing was performed on presumptive positive newborns for cystic fibrosis (CF), galactosemia and urea cycle disorder/ organic academia (UCD /OA) who had undergone NBS by TMS and TR-FIA. Highestprevalence of 1.98% & 1.58% was detected for G6PD and TSH respectively by TR-FIA. Prevalence of AA disorders (3.20%), OA (1.60%) and UCD (1.43%) was observed to be the highest amongst the diseases detected by TMS. Presumptive positive case of Argininemia and Cystic Fibrosis were found to be concordant with NGS. Out of three presumptive positive cases, one presumptive positive case of CF and two of galactose were found discordant.   Our prevalence study showed similarities to the prevalence reports published by other Asian countries. Expanded NBS program can be improved by including NGS as a first follow-up test after detection of abnormal metabolites in DBS. This approach will help in reducing the encumbrance of false-positive as well as false-negative cases. Our study will be influential in conducting more prospective studies and routine implementation of NGS-based analysis in NBS in India.
先天性代谢异常是一种罕见的遗传性疾病,会导致患者严重的发病率和死亡率。印度很少有研究评估新生儿先天性代谢异常(IEM)的患病率。我们建议先进行 TMS/TR-FIA 检测,然后再进行 NGS 检测。这项试点研究将是印度首批扩大的 NBS 研究之一。这项研究的目的是根据印度 Metropolis 全球参考实验室收到的样本确定新生儿 IEM 的患病率。使用串联质谱(TMS)和时间分辨荧光免疫分析法(TR-FIA)对新生儿筛查推测阳性的患者进行了下一代测序(NGS)作为确证分析。 使用 TMS 和 TR-FIA 对 IEM 发病率进行了为期两年的回顾性研究。通过 TMS 和 TR-FIA 对囊性纤维化 (CF)、半乳糖血症和尿素循环障碍/有机学 (UCD /OA) 的推定阳性新生儿进行了 NGS 检测。通过 TR-FIA 检测,G6PD 和 TSH 的患病率最高,分别为 1.98% 和 1.58%。在 TMS 检测出的疾病中,AA 病(3.20%)、OA 病(1.60%)和 UCD 病(1.43%)的患病率最高。精氨酸血症和囊性纤维化的假定阳性病例与 NGS 一致。在三个推定阳性病例中,发现一个 CF 推定阳性病例和两个半乳糖推定阳性病例不一致。 我们的患病率研究与其他亚洲国家公布的患病率报告有相似之处。通过将 NGS 作为 DBS 检测到异常代谢物后的首次随访检测,可以改进 NBS 扩大计划。这种方法将有助于减少假阳性和假阴性病例。我们的研究将对开展更多前瞻性研究和在印度 NBS 中常规实施基于 NGS 的分析产生影响。
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International Journal of Clinical Biochemistry and Research
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