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Journals Clinica Chimica Acta; Internat...

Clinica Chimica Acta; International Journal of Clinical Chemistry

https://read.qxmd.com/read/37739024/biomarkers-of-endometriosis
#1
REVIEW
Anuja Pant, Kareena Moar, Taruna Arora, Pawan Kumar Maurya
Endometriosis is one of the most severe female reproductive disorders, affecting 6-10% of women between 18 and 35. It is a gynaecological condition where endometrial tissue develops and settles outside the uterus. The aetiology of endometriosis is primarily influenced by genetic, epigenetic, and non-genetic variables, making it highly challenging to create a therapeutic therapy explicitly targeting the ectopic tissue. The delay in the treatment is due to the limitations in the diagnostic approaches, which are restricted to invasive techniques such as laparoscopy or laparotomy...
September 20, 2023: Clinica Chimica Acta; International Journal of Clinical Chemistry
https://read.qxmd.com/read/37739023/application-of-analytical-performance-specifications-for-urine-test-strip-methods-importance-of-reflectance-signals
#2
JOURNAL ARTICLE
Julien Cabo, Julien Favresse
INTRODUCTION: Urinalysis is essential for diagnosing kidney-related medical conditions. Urine test strip analysis serves as an initial and efficient screening method for reflex testing with accurate quantitative methods. MATERIALS AND METHODS: Freshly voided urines (n=206) were analysed using two urine test strip brands on UC-MAX (Menarini) and cobas u 601 (Roche Diagnostics) instruments. Ordinal scale categories and reflectance signals (if available) were both used for the comparison with reference quantitative methods for glucose, proteins and albumin (cobas 503)...
September 20, 2023: Clinica Chimica Acta; International Journal of Clinical Chemistry
https://read.qxmd.com/read/37722577/patient-based-pre-classified-real-time-quality-control%C3%AF-pcrtqc%C3%AF
#3
JOURNAL ARTICLE
Dongliang Man, Runqing Mu, Kun Zhang, Zhiwei Zhou, Hui Kang
BACKGROUND: Patient-based real-time quality control (PBRTQC) has gained increasing attention in clinical laboratory management. Although its valuable characteristics complement traditional quality control measures, its performance and practical application have faced scrutiny. In this study, patient-based pre-classified real-time quality control (PCRTQC), an extended approach was devised to enhance real-time quality control protocols. METHODS: PCRTQC distinguishes itself by incorporating an additional patient pre-classification step utilising the OPTICS algorithm, thus addressing interference from diverse patient types...
September 16, 2023: Clinica Chimica Acta; International Journal of Clinical Chemistry
https://read.qxmd.com/read/37722576/altered-serum-metabolic-profile-in-patients-with-iga-nephropathy
#4
JOURNAL ARTICLE
Lingqiu Dong, Jiaxing Tan, Zhengxia Zhong, Yi Tang, Wei Qin
BACKGROUND: We investigated alterations in the serum metabolomic profile of IgA nephropathy (IgAN) patients and screen biomarkers of IgA nephropathy based on ultra-performance liquid chromatography-mass spectrometry (UPLC-MS). METHODS: Serum samples from 65 IgAN patients and 31 healthy controls were analyzed by ultra-performance liquid chromatography-mass spectrometry (UPLC-MS). Univariate and multivariate analysis were performed to screen the differential metabolites...
September 16, 2023: Clinica Chimica Acta; International Journal of Clinical Chemistry
https://read.qxmd.com/read/37714324/follicular-fluid-advanced-glycation-end-products-in-assisted-reproduction-a-systematic-review
#5
REVIEW
Fatemeh Roushenas, Kobra Hamdi, Farnoosh Jafarpour, Amir Fattahi, Maryam Pashaiasl, Mohammad Hossein Nasr-Esfahani
Follicular fluid (FF) advanced glycation end products (AGEs) have been associated with low oocyte quality and number, low fertilization rate, impaired embryonic development and low pregnancy rate. These findings are especially relevant in women undergoing in vitro fertilization (IVF) and intracytoplasmic sperm injection (ICSI), ie, assisted reproductive technology (ART). A systematic literature search was conducted to examine various AGEs including pentosidine, carboxymethyl-lysine (CML), methylglyoxal 5-hydro-5-methylimidazolones (MG-H1), toxic AGE (TAGE), and soluble receptor for AGE (sRAGE) with ART outcomes...
September 13, 2023: Clinica Chimica Acta; International Journal of Clinical Chemistry
https://read.qxmd.com/read/37709115/discovery-and-validation-of-a-protein-biomarker-for-the-diagnosis-and-classification-of-disease-severity-of-major-depressive-disorder
#6
JOURNAL ARTICLE
You-Rim Lee, Jiyeong Lee, Hee-Gyoo Kang
BACKGROUND AND AIMS: Diagnosis and classification of disease severity of major depressive disorder (MDD) are determined through a doctor's consultation and questionnaire-based rating scale. This study aimed to identify and validate a serum protein biomarker for diagnosing and classifying the disease severity of MDD. MATERIALS AND METHODS: Based on the Hamilton Depression Rating Scale (HAMD) score, participants were divided into control, mild, moderate, and severe groups...
September 12, 2023: Clinica Chimica Acta; International Journal of Clinical Chemistry
https://read.qxmd.com/read/37709114/the-early-effects-of-sleeve-gastrectomy-on-postprandial-chylomicron-triglycerides-during-the-progression-of-type-2-diabetes
#7
JOURNAL ARTICLE
Wei Dan, Xinmei Wang, Jiaqi Wu, Yu Gu, Shuangshuang Liu, Hongye Zhang, Xinxia Chang, Chenye Shi, Hongmei Yan, Mingfeng Xia, Liu Wang, Huan Jiao, Haifu Wu, Wenhui Lou, Xin Gao, Hua Bian, Jiaxi Wang, Li-Hao Huang
BACKGROUND: It remains unclear whether early sleeve gastrectomy (SG) improves postprandial very-low-density lipoprotein (VLDL) as well as chylomicron triglycerides (TGs) in a weight-independent manner in patients with or without type 2 diabetes (DM). Herein we investigated the early effects of SG on postprandial VLDL and chylomicron kinetics. METHODS: A liquid meal test was performed before and after 1 week of SG. The plasma was collected for postprandial triglyceride-rich lipoprotein kinetics analyses, including VLDLs and chylomicrons, isolated by high-speed ultracentrifugation...
September 12, 2023: Clinica Chimica Acta; International Journal of Clinical Chemistry
https://read.qxmd.com/read/37709113/exploration-and-improvement-of-quantiferon-tb-assay-in-patients-with-indeterminate-results-in-clinical-practice-a-head-to-head-study
#8
JOURNAL ARTICLE
Linchuan Wang, Jin-Xiong Ruan, Wei Chen, Xiao-Qin Wang, Yan Yu
BACKGROUND: We implemented the QuantiFERON-TB Gold In-Tube (QFT-GIT) based on peripheral blood mononuclear cells (QFT-PBMCs) and QFT Gold Plus (QFT-Plus) in patients with indeterminate results, and use Mit-Nil value to identify false negatives and impaired cellular immunity. METHODS: One hundred seventy-one out of 2480 patients who had a QFT-GIT test were prospectively recruited and classified as high Nil (n=35), low Mit (n=75) and control (n=61) cohorts. Head-to-head comparisons, i...
September 12, 2023: Clinica Chimica Acta; International Journal of Clinical Chemistry
https://read.qxmd.com/read/37709112/a-suggested-protocol-for-value-assignment-using-isotope-dilution-lc-ms-ms-in-reference-measurement-procedures-exemplary-application-for-ciprofloxacin-in-serum
#9
JOURNAL ARTICLE
Judith Schäffler, Katharina Habler, Michael Vogeser
BACKGROUND: Reference measurement procedures for assigning values to calibration materials play a crucial role in the concept of metrological traceability in laboratory medicine. ISO standard 15193 specifies the requirements for such measurement procedures, albeit in a very general terms. MATERIALS AND METHODS: A standard structure of analysis series for value assignment by LC-MS/MS was developed and tested,this structure was complemented by a spreadsheet file for result calculation, metadata evaluation, and finally validation and confirmation of individual analysis runs and individual results, and measurement uncertainty evaluation...
September 12, 2023: Clinica Chimica Acta; International Journal of Clinical Chemistry
https://read.qxmd.com/read/37709111/pediatric-reference-intervals-of-the-hemoglobin-fractions-hba-2-hbf-and-hba-0-using-high-performance-liquid-chromatography-and-capillary-electrophoresis
#10
JOURNAL ARTICLE
Kasper Munch Lauridsen, Helle Pilgaard Kristiansen, Anne Winther-Larsen
INTRODUCTION: β-thalassemia is a common genetic disorder with an estimated prevalence of 80-90 million carriers worldwide. As elevated Hemoglobin A2 (HbA2 ) is a primary feature of carriers, hemoglobin fraction analysis is a common technique used for initial screening. However, pediatric reference intervals (RIs) are scarce. Hence, the aim was to establish pediatric RIs of hemoglobin fractions using High-Performance Liquid Chromatography (HPLC) and Capillary Electrophoresis (CE)...
September 12, 2023: Clinica Chimica Acta; International Journal of Clinical Chemistry
https://read.qxmd.com/read/37709110/non-linear-relationship-between-serum-osteocalcin-and-diabetic-retinopathy-in-postmenopausal-women-with-type-2-diabetes-mellitus
#11
JOURNAL ARTICLE
Yi-Shu Ren, Dan Zhao, Ya-Wen Bo, Jin-Luo Cheng
BACKGROUND: Type 2 diabetes mellitus (T2DM) is associated with diabetic retinopathy (DR), but effective interventions are lacking. The relationship between osteocalcin (OC) and DR in postmenopausal women with T2DM is understudied. METHODS: This study examined 950 postmenopausal women with T2DM (T2DR group: n=299; T2DM group: n=651). RESULTS: Significant differences (p < 0.05) were observed between the groups in disease duration, age, gender, body mass index (BMI), glycated haemoglobin (HbA1c), low-density lipoprotein (LDL-C), parathyroid hormone (PTH), total type I collagen amino acid-prolonging peptide (TPINP), OC, and 25 hydroxyvitamin D (25(OH)D3)...
September 12, 2023: Clinica Chimica Acta; International Journal of Clinical Chemistry
https://read.qxmd.com/read/37704005/measurement-of-apixaban-concentrations-in-different-human-biological-fluids-by-uhplc-ms-ms-clinical-pharmacokinetic-application-in-a-subject-with-chronic-kidney-disease-and-nonvalvular-atrial-fibrillation-on-haemodialysis
#12
JOURNAL ARTICLE
Raúl Rigo-Bonnin, Elena Rosselló-Palmer, Arnau Sánchez-García, Mireia Pallarés-Borràs, Yurema Martínez, Sebastián Videla, Aurema Otero, Núria Lloberas, Miguel Hueso
BACKGROUND: Apixaban's technical sheet does not recommend its use in clinical practice for patients with chronic kidney disease undergoing haemodialysis. However, recent studies indicate that apixaban could be a safe oral anticoagulant in these kinds of patients who do not present valvular atrial fibrillation. We developed and validated ultra-high-performance liquid chromatography-tandem mass spectrometry (UHPLC-MS/MS) procedures for measuring apixaban concentrations in plasma, dialysate liquid, and urine...
September 11, 2023: Clinica Chimica Acta; International Journal of Clinical Chemistry
https://read.qxmd.com/read/37696426/a-comparative-analysis-of-sigma-metrics-using-conventional-and-alternative-formulas
#13
JOURNAL ARTICLE
Kamil Taha Uçar, Abdulkadir Çat
BACKGROUND AND AIM: The Six Sigma approach, employing Sigma Metrics (SM), is commonly used to evaluate analytical performance in clinical laboratories. However, there is ongoing debate regarding the suitability of the conventional SM formula, which incorporates total allowable error (TEa) and bias. To address this, an alternative formula based on within-subject biological variation (CVI ) as the tolerance range (TR) has been proposed. The study aimed to calculate and compare SM values using both formulas...
September 9, 2023: Clinica Chimica Acta; International Journal of Clinical Chemistry
https://read.qxmd.com/read/37690663/metabolic-signature-biomarkers-for-predicting-the-recurrence-of-urological-cancers
#14
REVIEW
Filipa Amaro, Márcia Carvalho, Maria de Lourdes Bastos, Paula Guedes de Pinho, Joana Pinto
A significant number of patients diagnosed with localized urological cancers experience relapse and disease progression after surgery. Hence, molecular markers for patient risk stratification are needed to improve the current management guidelines. This article critically reviews for the first time, to our knowledge, the promise of metabolomics-based approaches to identify metabolic signatures as candidate prognostic biomarkers to predict recurrences at the time of surgery in prostate cancer (PCa), bladder cancer (BCa), and renal cell carcinoma (RCC)...
September 9, 2023: Clinica Chimica Acta; International Journal of Clinical Chemistry
https://read.qxmd.com/read/37690662/a-serum-lncrna-signature-forpredicting-prognosis-of-triple-negative-breast-cancer
#15
JOURNAL ARTICLE
Ting Zhu, Junjun Wang, Juan Li, Qichao Zhang, Yanyan Shang, Junhao Zhou, Ling Min, Bo Lv, Kai Luo
BACKGROUND: Breast cancer is the leading causes of cancer-associated mortality among women, and triple-negative breast cancer (TNBC) is an aggressive subtype of breast cancer. Long non-coding RNAs (LncRNAs) have recently been studied to predict the prognosis of various cancers, but whether it is an effective marker in TNBC is inconclusive. METHODS: We used RNA-sequencing analysis to identify differentially expressed exosomal LncRNAs, and qRT-PCR assay was performed to verify dysregulated LncRNAs in multicenter validation cohorts...
September 8, 2023: Clinica Chimica Acta; International Journal of Clinical Chemistry
https://read.qxmd.com/read/37683718/carbohydrate-antigen-125-in-atrial-fibrillation
#16
REVIEW
Rangrang Zhang, Weidong Jin, Minglei Han, Yonglan Hou
Atrial fibrillation is the most common arrhythmia in clinical settings. It is associated with an increased risk of death, stroke, and peripheral vascular embolism. Catheter ablation (CA) is an effective treatment for patients with AF. However, many studies have reported suboptimal outcomes, as AF recurrence rates often remain high after CA. Therefore, there is a need for early identification of patients who are prone to recurrence and require anti-inflammatory and/or antiarrhythmic treatment after CA. In recent years, Prediction of AF and AF recurrence after CA has become a hot topic in clinical practice...
September 6, 2023: Clinica Chimica Acta; International Journal of Clinical Chemistry
https://read.qxmd.com/read/37683717/quantitation-of-phenylalanine-and-tyrosine-from-dried-blood-plasma-spots-with-impregnated-stable-isotope-internal-standards-siis-by-fia-srm
#17
JOURNAL ARTICLE
Wenqian Li, Donald H Chace, Timothy J Garrett
BACKGROUND: Dried Blood Spot (DBS) analysis has been used for identification and quantification of diseases and disorders in large populations. Simply collecting blood or plasma samples on cotton paper, followed with an organic solvent extraction, many small molecules can be detected and quantified. In a typical procedure of DBS analysis in newborn screening, stable isotope internal standards (SIIS) are added to extraction solvent as a reference. However, this way of employing SIIS does not reflect extraction efficiency, or protein binding issues, nor does it reflect potential degradation that could occur...
September 6, 2023: Clinica Chimica Acta; International Journal of Clinical Chemistry
https://read.qxmd.com/read/37673380/abnormal-kynurenine-pathway-metabolites-in-gout-biomarkers-exploration-based-on-orthogonal-partial-least-squares-discriminant-analysis
#18
JOURNAL ARTICLE
Zhenni Liu, Lizi Jin, Zijia Ma, Xiaerbanu Nizhamuding, Jie Zeng, Tianjiao Zhang, Jiangtao Zhang, Weiyan Zhou, Chuanbao Zhang
BACKGROUND: This study aims to investigate serological characteristics of kynurenine pathway (KP) metabolites in healthy controls (HC) and gout patients and explore possible differential metabolites. METHODS: A total of 191 individual fresh residual sera was collected from 129 HC and 62 gout patients. A liquid chromatography-tandem mass spectrometry method was fully validated to measure 6 metabolites, including tryptophan (TRP), kynurenine (KYN), 5-hydroxytryptamine (5HT), kynurenic acid (KA), xanthurenic acid (XA), and neopterin (NEO)...
September 4, 2023: Clinica Chimica Acta; International Journal of Clinical Chemistry
https://read.qxmd.com/read/37666385/genetic-polymorphism-detection-of-pathophysiological-pathways-of-ischemic-stroke-in-asian
#19
REVIEW
Valentinus Besin, Trilis Yulianti, Paulus Budiono Notopuro, Farizky Martriano Humardani
The increasing incidence of ischemic stroke emphasizes the necessity for early detection and preventive strategies. Diagnostic biomarkers currently available for ischemic stroke only become detectable shortly before the manifestation of stroke symptoms. Genetic variants associated with ischemic stroke offer a potential solution to address this diagnostic limitation. However, it is crucial to acknowledge that genetic variants cannot be modified in the same way as epigenetic changes. Nevertheless, individuals carrying risk or protective variants can modify their lifestyle to potentially influence the associated epigenetic factors...
September 2, 2023: Clinica Chimica Acta; International Journal of Clinical Chemistry
https://read.qxmd.com/read/37660939/the-diagnostic-value-of-interleukin-36-cytokines-in-pleural-effusions-of-varying-etiologies
#20
JOURNAL ARTICLE
Xuxiang Song, Lun Guo, Qipan Zhang, Weili Chen, Wei Fan, Chengna Lv, Pan Tang, Zhaoxing Dong, Xudeng Ye, Qunli Ding
BACKGROUND: The clinical management of pleural effusion (PE) poses challenges due to its diverse etiologies. The objective of this research was to investigate the concentrations of interleukin-36 (IL-36) cytokines in pleural fluid (PF) from different etiologies and assess their diagnostic efficacy in distinguishing the causes of PE. METHODS: This study enrolled 89 patients with confirmed PE, comprising 11 cases classified as transudate, 24 cases as malignant pleural effusion (MPE), 24 cases as tuberculous pleural effusion (TPE), and 30 cases as parapneumonic pleural effusion (PPE)...
September 1, 2023: Clinica Chimica Acta; International Journal of Clinical Chemistry
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