Deprecated: Implicit conversion from float 213.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534
Deprecated: Implicit conversion from float 213.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534
Deprecated: Implicit conversion from float 213.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534
Deprecated: Implicit conversion from float 213.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534
Deprecated: Implicit conversion from float 213.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534
Deprecated: Implicit conversion from float 213.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534
Deprecated: Implicit conversion from float 247.2 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534
Deprecated: Implicit conversion from float 247.2 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534
Deprecated: Implicit conversion from float 247.2 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534
Deprecated: Implicit conversion from float 247.2 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534
Warning: imagejpeg(C:\Inetpub\vhosts\kidney.de\httpdocs\phplern\24971321
.jpg): Failed to open stream: No such file or directory in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 117 Biomed+Res+Int
2014 ; 2014
(ä): 235426
Nephropedia Template TP
gab.com Text
Twit Text FOAVip
Twit Text #
English Wikipedia
Local overexpression of V1a-vasopressin receptor enhances regeneration in tumor
necrosis factor-induced muscle atrophy
#MMPMID24971321
Costa A
; Toschi A
; Murfuni I
; Pelosi L
; Sica G
; Adamo S
; Scicchitano BM
Biomed Res Int
2014[]; 2014
(ä): 235426
PMID24971321
show ga
Skeletal muscle atrophy occurs during disuse and aging, or as a consequence of
chronic diseases such as cancer and diabetes. It is characterized by progressive
loss of muscle tissue due to hypotrophic changes, degeneration, and an inability
of the regeneration machinery to replace damaged myofibers. Tumor necrosis factor
(TNF) is a proinflammatory cytokine known to mediate muscle atrophy in many
chronic diseases and to inhibit skeletal muscle regeneration. In this study, we
investigated the role of Arg-vasopressin-(AVP-)dependent pathways in muscles in
which atrophy was induced by local overexpression of TNF. AVP is a potent
myogenesis-promoting factor and is able to enhance skeletal muscle regeneration
by stimulating Ca(2+)/calmodulin-dependent kinase and calcineurin signaling. We
performed morphological and molecular analyses and demonstrated that local
over-expression of the AVP receptor V1a enhances regeneration of atrophic muscle.
By upregulating the regeneration/differentiation markers, modulating the
inflammatory response, and attenuating fibrogenesis, the stimulation of
AVP-dependent pathways creates a favourable environment for efficient and
sustained muscle regeneration and repair even in the presence of elevated levels
of TNF. This study highlights a novel in vivo role for AVP-dependent pathways,
which may represent an interesting strategy to counteract muscle decline in aging
or in muscular pathologies.