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Unveiling the truth: Pathogen infections linked to miscarriage: A STROBE-Compliant Mendelian randomization study.
Medicine (Baltimore)
November 2024
Department of General Surgery, The Third Affiliated Hospital of Soochow University, Changzhou, China.
Miscarriage represents a prevalent yet insufficiently studied adverse pregnancy outcome. The definitive causal links between various pathogens and miscarriage remain to be established. To investigate the causal connections between pathogen infections and miscarriage, we utilized a two-sample bidirectional Mendelian randomization (MR) analysis.
View Article and Find Full Text PDFBK Polyomavirus-associated nephropathy - diagnostic and treatment standard.
Nephrol Dial Transplant
January 2025
Department of Nephrology and Transplantation, Cardiff and Vale University Health Board, Cardiff, UK.
BK polyomavirus (BKPyV) is recognised as a significant viral complication of kidney transplantation. Prompt immunosuppression reduction reduces early graft failure rates due to BK polyomavirus-associated nephropathy (BKPyVAN), however modulation of immunosuppression can lead to acute rejection. Medium-to-long term graft outcomes are negatively impacted by BKPyVAN, likely due to a combination of virus-induced graft damage and host immune responses against graft alloantigens potentiated by immunosuppression reduction.
View Article and Find Full Text PDFLow 25-Hydroxyvitamin D Post-Kidney Transplant Is Associated with Increased Risk of BK Polyomavirus-Associated Nephropathy.
Microorganisms
December 2024
Division of Nephrology, Department of Medicine, University of Wisconsin School of Medicine and Public Health, Madison, WI 53705, USA.
BK viremia (BKPyV-DNAemia) and nephropathy (BKPyVAN) are significant causes of morbidity and mortality in kidney transplant recipients (KTRs). Vitamin D supports immune function, yet low 25-hydroxyvitamin D [25(OH)D] is common among KTRs. The association between serum 25(OH)D, measured 61 days to 2 years post-transplant, and subsequent incident BKPyV-DNAemia and BKPyVAN was examined in KTRs without previous BKPyV-DNAemia or BKPyVAN, respectively.
View Article and Find Full Text PDFBK Polyomavirus and acute kidney injury in transplant recipients: signaling pathways and molecular mechanisms.
Virol J
January 2025
Transplant Research Center, Shiraz University of Medical Sciences, Shiraz, Iran.
Acute kidney injury (AKI) is a condition that can result in changes in both urine production and creatinine levels in the bloodstream, complicating the treatment process and worsening outcomes for many hospitalized patients. BK polyomavirus (BKPyV), a member of the Polyomaviridae family, is prevalent in the population and remains latent in the body. It can reactivate in individuals with a compromised immune system, particularly post-kidney transplant, and can activate various transcription factors and immune mediators.
View Article and Find Full Text PDFVirus Protein-Specific Immune Responses in Selective Depletion of Lymphocyte Populations Using Monoclonal Antibodies in Bolivian Squirrel Monkeys ().
Viral Immunol
January 2025
Department of Comparative Medicine, The University of Texas MD Anderson Cancer Center, Bastrop, Texas, USA.
The increasing use of immune suppressive monoclonal antibodies in the treatment of organ transplant recipients and patients with oncologic, neurological, and autoimmune diseases can lead to serious morbidity and mortality from the reactivation of viral agents that persist in humans. The squirrel monkey polyomaviruses are naturally found in Bolivian squirrel monkeys (SQM) and may be a useful model for the study of polyomavirus-associated pathogenesis and experimental treatment and prevention strategies. Two diverse groups of squirrel monkeys were given, a single dose of an anti-B cell antibody (rituximab) resulting in complete depletion of B cells (CD20+), while an anti-CD8 monoclonal antibody (7 pt-3F9) resulted in a transient depletion of CD8+ lymphocytes compared with control animals (group with no infusion with either of the monoclonal antibodies).
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