نتایج جستجو برای: desmin
تعداد نتایج: 2227 فیلتر نتایج به سال:
Intercalated disks (ICDs) are substantial connections maintaining cardiac structures and mediating signal communications among cardiomyocytes. Deficiency in ICD components such as desmosomes, fascia adherens and gap junctions leads to heart dysfunction. Coxsackievirus B3 (CVB3) infection induces cardiac failure but its pathogenic effect on ICDs is unclear. Here we show that CVB3-induced miR-21 ...
One of the hallmarks of cardiomyopathy and heart failure is pronounced and progressive cardiomyocyte death. Understanding the mechanisms involved in cardiomyocyte cell death is a topic of great interest for treatment of cardiac disease. Mice null for desmin, the muscle-specific member of the intermediate filament gene family, develop cardiomyopathy characterized by extensive cardiomyocyte death...
Desmin content and immunohistochemical appearance were measured in tibialis anterior muscles of rats subjected to a single bout of 30 eccentric contractions (ECs). Ankle torque was measured before EC and at various recovery times, after which immunohistochemical and immunoblot analyses were performed. Torque decreased by approximately 50% immediately after EC and fully recovered 168 h later (P ...
Arrhythmogenic right ventricular cardiomyopathy (ARVC) is an inherited heart muscle disease, frequently accompanied by sudden cardiac death and terminal heart failure. Genotyping of ARVC patients might be used for palliative treatment of the affected family. We genotyped a cohort of 22 ARVC patients referred to molecular genetic screening in our heart center for mutations in the desmosomal cand...
Desminopathies caused by the mutation in the gene coding for desmin are genetically protein aggregation myopathies. Mitochondrial dysfunction is one of pathological changes in the desminopathies at the earliest stage. The molecular mechanisms of mitochondria dysfunction in desminopathies remain exclusive. VDAC1 regulates mitochondrial uptake across the outer membrane and mitochondrial outer mem...
Upregulation of aB-crystallin (CryAB), a small heat shock protein, is associated with a variety of diseases, including the desmin-related myopathies. CryAB, which binds to both desmin and cytoplasmic actin, may participate as a chaperone in intermediate filament formation and maintenance, but the physiological consequences of CryAB upregulation are unknown. A mutation in CryAB, R120G, has been ...
Protein misfolding and aberrant aggregation are associated with many severe disorders, such as neural degenerative diseases, desmin-related myopathy (DRM), and congestive heart failure. Intrasarcoplasmic amyloidosis and increased ubiquitinated proteins are observed in human failing hearts. The pathogenic roles of these derangements in the heart remain unknown. The ubiquitin-proteasome system (U...
OBJECTIVE Desmin, an intermediate filament, has a key role in the integrity of myocytes, and its absence induces cardiomyopathies. Mice lacking desmin (Des-/- group) exhibit microvascular dysfunction leading to smooth muscle hyporeactivity. We investigated the effect of the absence of desmin in mice (Des-/- mice versus Des+/+ mice) on the adaptation of mesenteric arteries to changes in blood fl...
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