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Introduction: Osteoarthritis (OA) is a degenerative joint disease that can affect the many tissues of the joint. There are no officially recognized disease-modifying therapies for clinical use at this time probably due to a lack of complete comprehension of the pathogenesis of the disease. In recent years, emerging regenerative therapy and treatments with stem cells both undifferentiated and differentiated cells have gained much attention as they can efficiently promote tissue repair and regeneration.

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RAGE-mediated intestinal pro-inflammatory responses triggered by Giardia duodenalis.

Acta Trop

January 2025

State Key Laboratory for Diagnosis and Treatment of Severe Zoonotic Infectious Diseases, Key Laboratory for Zoonosis Research of the Ministry of Education, Institute of Zoonosis and College of Veterinary Medicine, Jilin University, Changchun, 130062, China. Electronic address:

Giardia duodenalis is a waterborne zoonotic protozoan that causes gastrointestinal inflammation. Giardiasis and metabolic illnesses share features such as chronic inflammation and intestinal symptoms. Receptor for advanced glycation end products (RAGE) signaling plays a role in metabolic illnesses and intestinal inflammatory responses.

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Background: Recent studies analyzed the impact of Merkel cell polyomavirus (MCPyV) on the prognosis of Merkel cell carcinoma (MCC) patients. No data on specific morphological clinical differences of MCPyV+ or MCPyV- are currently available neither on the possible prognostic implication of different clinical presentation of MCC.

Objectives: 1) to describe clinicopathological characteristics of MCC patients and the prevalence of MCPyV infection in an Italian cohort of patients; 2) to define possible differences in clinicopathological and prognostic features among MCPyV+ and MCPyV- MCCs.

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Spatiotemporal profile of an optimal host response to virus infection in the primate central nervous system.

PLoS Pathog

January 2025

Laboratory of Infectious Diseases, National Institute of Allergy and Infectious Diseases, National Institutes of Health; Bethesda, Maryland, United States of America.

Viral infections of the central nervous system (CNS) are a major cause of morbidity largely due to lack of prevention and inadequate treatments. While mortality from viral CNS infections is significant, nearly two thirds of the patients survive. Thus, it is important to understand how the human CNS can successfully control virus infection and recover.

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First part. A 45-year-old man with severe pneumonia, disseminated cytomegalovirus infection, and agammaglobulinemia.

Biomedica

December 2024

Departamento de Microbiología, Facultad de Salud, Universidad del Valle, Cali, Colombia; Genetic Immunotherapy Section, Laboratory of Clinical Immunology and Microbiology, Division of Intramural Research, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD, USA.

A 45-year-old male patient presented with a persistent cough lasting four months, accompanied by fever and significant weight loss. A chest computed tomography revealed cryptogenic pneumonia, and subsequent investigations identified a positive cytomegalovirus (CMV) viral load in bronchoalveolar lavage. A transbronchial biopsy confirmed intranuclear basophilic inclusions indicative of CMV infection.

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