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Systemic calcinosis in horses: Pathological and genetic aspects.
Equine Vet J
January 2025
Setor de Patologia Veterinária, Universidade Federal Do Rio Grande Do Sul, Porto Alegre, RS, Brazil.
Background: In horses, systemic calcinosis is a rare syndrome characterised by muscle lesion associated with the mineralisation of large muscle groups or other organs, in the absence of an alternative cause for the calcification, such as toxic, enzootic or metabolic. Molecular and histopathological aspects of the disease are still poorly elucidated.
Objectives: To describe the epidemiological, pathological and molecular aspects of systemic calcinosis in a convenience sample of six horses submitted to necropsy in the Southern and Midwestern regions of Brazil.
Daidzein improves muscle atrophy caused by lovastatin by regulating the AMPK/FOXO3a axis.
Chin Med
December 2024
State Key Laboratory of Natural Medicines, School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing, 210009, China.
Background: Lovastatin, the main lipid-lowering component in red yeast rice, is a golden anti-lipid drug, but its long-term application is continuously challenged by potential skeletal muscle atrophy. Daidzein, an isoflavone derived from soybeans and many Chinese medicines, shows therapeutic potential in treating muscle-related diseases and metabolic disorders. However, whether daidzein can improve lovastatin-induced muscle atrophy and the specific mechanism needs to further study.
View Article and Find Full Text PDFBone marrow-derived dendritic cells play a role in attenuating inflammation on Bothrops jararacussu venom muscle damage.
J Biotechnol
February 2025
Laboratório de Imunologia Celular Aplicada à Saúde, Fundação Oswaldo Cruz, FIOCRUZ Rondônia, Porto Velho, RO, Brazil; Departamento de Medicina, Universidade Federal de Rondônia, UNIR, Porto Velho, RO, Brazil. Electronic address:
The immune system is regulated by dendritic cells (DCs), which are highly specialized cells for presenting antigens. They are thought of as natural sentinels that start the immune response triggered by naive T cells against invasive infections. DCs participate in the initial stage of muscle damage in conjunction with monocytes, macrophages, and myogenic cells.
View Article and Find Full Text PDFPhase 1 Study of AAV9.LAMP2B Gene Therapy in Danon Disease.
N Engl J Med
November 2024
From the University of California, San Diego Medical Center, La Jolla (B.G., E.A.); University of Colorado Anschutz Medical Campus, Aurora (M.T.); Boston's Children's Hospital, Harvard Medical School, Boston (S.C.); Rocket Pharmaceuticals, Cranbury, NJ (D.R., P.Y., P.B., G.S., K.P., M.C., S.C.-K., J.D.S.); and Children's Hospital of Philadelphia and Perelman School of Medicine, University of Pennsylvania (J.W.R.) - both in Philadelphia.
Background: Danon disease is a rare, X-linked, monogenic cardiomyopathy caused by mutations in the lysosomal-associated membrane 2 gene (), which encodes the LAMP2 protein. In male patients, the predominant phenotype is progressive cardiac hypertrophy, cardiac dysfunction, and early death. There are no directed therapies for the disease.
View Article and Find Full Text PDFThe role of the cyclooxygenase-2 pathway in tissue ischemia and revascularization following skeletal muscle injury induced by bothropic snake venom.
Microvasc Res
January 2025
Departamento de Farmacologia, Escola Paulista de Medicina, Universidade Federal de São Paulo, SP, Brazil. Electronic address:
Bothrops asper venom (Bav) contains metalloproteinases that disrupt the microvascular system, impairing muscle tissue regeneration after injury. This study investigated the impact of the cyclooxygenase-2 (COX-2) pathway on vascular injury and revascularization in muscle injuries induced by Bav. Mice were injected with Bav into the gastrocnemius muscle and treated with lumiracoxib, a selective COX-2 inhibitor, 30 min, 2 days, and 6 days post-Bav injection.
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