نتایج جستجو برای: myogenic
تعداد نتایج: 6776 فیلتر نتایج به سال:
Myogenic microRNAs are important regulators of muscle development and differentiation. To better understand the roles of chromatin-modifying and remodeling enzymes in the activation of myogenic microRNA expression, we have functionally analyzed two different protein arginine methyltransferases, Prmt5 and Prmt4, both of which have previously been implicated in the regulation of myogenic mRNA exp...
Front Cover: The cover image is based on the Research Article ERK3-MK5 signaling regulates myogenic differentiation and muscle regeneration by promoting FoxO3 degradation Sylvain Meloche et al., https://doi.org/10.1002/jcp.30695.
The myogenic response of small arteries and arterioles has been shown to contribute significantly to autoregulation in different vascular beds. It is characterized by a constriction of the vessel after an increase of transmural pressure and a dilation of the vessel after a decrease of transmural pressure. This review examines the evidence for the mechanisms of the myogenic response, with the ai...
background :aging can cause loss of balance, which may lead to physical and psychological problems. as the role of the otolith organs in maintaining postural stability has been emphasized in recent years, the present study investigated the effect of aging on saccular function using cervical vestibular evoked myogenic potentials (cvemp). methods : the participants were assigned into two groups...
Previous studies demonstrate a role for β epithelial Na(+) channel (βENaC) protein as a mediator of myogenic constriction in renal interlobar arteries. However, the importance of βENaC as a mediator of myogenic constriction in renal afferent arterioles, the primary site of development of renal vascular resistance, has not been determined. We colocalized βENaC with smooth muscle α-actin in vascu...
Chromatin remodeling by the SWI/SNF complex is required to activate the transcription of myogenic-specific genes. Our work addressed the details of how SWI/SNF is recruited to myogenic regulatory regions in response to differentiation signals. Surprisingly, the muscle determination factor MyoD and the SWI/SNF subunit BAF60c form a complex on the regulatory elements of MyoD-targeted genes in myo...
Arterial smooth muscle constriction in response to pressure, i.e., myogenic tone, may involve calcium-dependent and calcium-sensitization mechanisms. Calcium sensitization in vascular smooth muscle is regulated by kinases such as PKC and Rho kinase, and activity of these kinases is known to be altered in cardiovascular disorders. In the present study, we evaluated the relative contribution of P...
Background and Objective: In recent decades, stem cell therapy has been introduced as a novel therapeutic approach for patients suffering from cardiac disorders. Recently, identification of menstrual blood-derived stem cells (MenSCs) as a unique source of stem cell with some characteristics as well as ease of access, high proliferative ability and renewability has created enormous promise for c...
The pressure-induced constriction in the rat ophthalmic artery was characterized. Ophthalmic arteries were isolated, cannulated in an arteriograph, and pressurized. Arteries developed 25% constriction at 70 mmHg of intraluminal pressure. Arteries maintained almost similar diameter over the range of pressures 50-210 mmHg, and forced dilatation was observed at pressures >210 mmHg. Denudation of e...
To gain insight into the regeneration deficit of MyoD-/- muscle, we investigated the growth and differentiation of cultured MyoD-/- myogenic cells. Primary MyoD-/- myogenic cells exhibited a stellate morphology distinct from the compact morphology of wild-type myoblasts, and expressed c-met, a receptor tyrosine kinase expressed in satellite cells. However, MyoD-/- myogenic cells did not express...
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