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Severe Acute Liver Injury From Hemophagocytic Lymphohistiocytosis Related to Disseminated Herpes Simplex Virus Type 1 in a Young Immunocompetent Man.
ACG Case Rep J
January 2025
Stony Brook Medicine, Department of Medicine, Division of Gastroenterology and Hepatology, Stony Brook University Hospital, Stony Brook, NY.
Although herpes simplex virus, Epstein-Barr virus, and hemophagocytic lymphohistiocytosis are known causes of severe acute liver injury with or without liver failure, these diseases occur almost exclusively in immunocompromised and elderly patients. We report a case of an immunocompetent young man with no medical history who presented with a subacute cough and persistent fevers in the setting of a penile chancre. He was found to have severely elevated liver chemistries and was subsequently diagnosed with hemophagocytic lymphohistiocytosis because of disseminated herpes simplex virus type 1 and Epstein-Barr virus coinfection.
View Article and Find Full Text PDFUndaria pinnatifida fucoidan extract inhibits activation of the NF-κB signaling pathway by herpes simplex virus type 1 and prevents amyloid-β peptide synthesis in retinal pigment epithelium cells.
Arch Virol
January 2025
Departamento de Biología, Bioquímica y Farmacia, Universidad Nacional del Sur-Bahía Blanca, Buenos Aires, Argentina.
Neurodegenerative pathologies such as age-related macular degeneration currently have no cure or effective treatment. In this type of disease, the presence of amyloid-β peptides, oxidative stress, and inflammation trigger dysregulation of retinal pigment epithelial cells and progression toward the death of these cells, resulting in a loss of vision. The production of amyloid-β peptides, oxidative stress, and inflammation can be triggered in response to viral infections.
View Article and Find Full Text PDFDownregulation of FcRn promotes ferroptosis in herpes simplex virus-1-induced lung injury.
Cell Mol Life Sci
January 2025
School of Basic Medical Sciences, Xinxiang Medical University, #601 Jinsui Road, Xinxiang, 453003, Henan, China.
Article Synopsis
- HSV-1 infection can lead to lung injury, and a study found that lower levels of FcRn (a protein) are linked to more severe lung damage caused by the virus.
- The study revealed that HSV-1 increases the methylation of the FcRn gene, which reduces its expression by promoting DNMT3b, a protein that inhibits transcription through a specific region of the FcRn promoter.
- Inhibiting ferroptosis (a type of cell death) with a drug helped reduce lung injury in cases affected by HSV-1, indicating that targeting FcRn might be a promising therapeutic approach.
[Updates in General Management and Frequent Complications Following Adult Liver Transplant].
Rev Med Chil
June 2024
Departamento de Gastroenterología, Escuela de Medicina, Pontificia Universidad Católica de Chile, Santiago, Chile.
Liver transplantation (LT) is a cost-effective therapy for advanced liver disease. Although LT significantly improves long-term survival, it requires strict control of immunosuppressants and their potential complications. Several available immunosuppressive drugs include glucocorticoids, calcineurin inhibitors, mycophenolate, mTOR inhibitors, and anti-CD25 antibodies.
View Article and Find Full Text PDFHerpes Simplex Pneumonitis Presenting As Acute Respiratory Distress Syndrome and Septic Shock.
Cureus
December 2024
Internal Medicine, One Brooklyn Health, New York, USA.
We present a case report of a 72-year-old female with a history of stage III rectal adenocarcinoma undergoing chemotherapy who developed neutropenic sepsis and acute respiratory failure. The patient was admitted to the intensive care unit (ICU) due to worsening respiratory status and was subsequently diagnosed with disseminated herpes simplex virus (HSV) infection including acute respiratory distress syndrome (ARDS). This case highlights the challenges in diagnosing and managing HSV infection in critically ill patients and emphasizes the importance of early recognition and appropriate treatment in improving patient outcomes.
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