An assay was developed to determine IgM antibodies to Opisthorchis felineus antigens for the diagnosis of acute infection. The method is based on indirect solid-phase enzyme immunoassay. Optimal conditions were elaborated for analysis and its high specificity and specifications are shown in the paper.
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Clin Rheumatol
January 2025
Department of Rheumatology and Immunology, Tongji Hospital of Tongji Medical College of Huazhong University of Science and Technology, Wuhan, China.
Objectives: To investigate the clinical and laboratory features of Sjögren's syndrome-associated autoimmune liver disease (SS-ALD) patients and identify potential risk and prognostic factors.
Methods: SS patients with or without ALD, who visited Tongji Hospital between the years 2011 and 2021 and met the 2012 American College of Rheumatology (ACR) classification criteria for Sjögren's syndrome, were retrospectively enrolled. The clinical and laboratory data of the enrolled patients, including autoimmune antibodies, were collected and analyzed with principal component analysis, correlation analysis, LASSO regression, and Cox regression.
J Clin Pathol
January 2025
Department of Clinical Pathology, Faculty of Health Sciences, University of Pretoria, Pretoria, South Africa
Aims: Concerns over population-level immunity have been heightened with each successive wave of COVID-19, prompting questions about whether it is primarily derived from vaccination efforts or from previous natural infections with the virus. We wished to determine the seroprevalence of SARS-CoV-2 antibodies among healthcare workers (HCWs) in Pretoria (Tshwane), South Africa, and to establish whether they were derived from vaccination or natural infection.
Methods: Serum samples were collected from HCWs during the fourth wave of COVID-19 between 1 December 2021 and 13 March 2022.
Virology
January 2025
Xinxiang Medical College, Xinxiang, Henan, 453000, China. Electronic address:
Objective: Our study aimed to investigate antibody responses in omicron BF.7-infected patients after being vaccinated with inactivated SARS-CoV-2.
Methods: Blood serum samples were collected every 2-7 d, 1 w before infection, during the acute infection period and recovery period, and every month after recovery to detect IgG, IgM, IgA, neutralizing antibodies, and neutralizing antibodies against different omicrons in the acute phase.
Asian J Transfus Sci
October 2024
Department of Transfusion Medicine, Sri Balaji Action Medical Institute, New Delhi, India.
Background: High titers of anti-A and anti-B are considered to be one reason for hemolytic transfusion reactions and ABO hemolytic disease in fetus and neonates. There is no consensus for critical ABO antibody titers to guide transfusion or transplant decisions. Implementation of ABO titer measurement can favor reduction in transfusion reactions in nongroup "O" recipients.
View Article and Find Full Text PDFAsian J Transfus Sci
December 2024
Department of Microbiology, Kasturba Medical College, Manipal, Manipal Academy of Higher Education, Manipal, Karnataka, India.
Background: Hepatitis E virus (HEV) stands out as a significant transfusion-transmissible infection, yet it is not included in the screening protocols of many countries. The present study was conducted to assess the cost-benefit implications of incorporating HEV screening among blood donors which is one of the preventive strategies in reducing transfusion transmissible HEV.
Methodology: A decision tree model was prepared to assist the cost-benefit analysis.
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