Deprecated: Implicit conversion from float 231.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534
Deprecated: Implicit conversion from float 231.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534
Deprecated: Implicit conversion from float 231.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534
Deprecated: Implicit conversion from float 231.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534
Deprecated: Implicit conversion from float 231.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534
Deprecated: Implicit conversion from float 231.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534
Deprecated: Implicit conversion from float 231.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534
Deprecated: Implicit conversion from float 265.2 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534
Deprecated: Implicit conversion from float 265.2 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\25361818
.jpg): Failed to open stream: No such file or directory in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 117 J+Am+Soc+Nephrol
2015 ; 26
(6
): 1322-33
Nephropedia Template TP
gab.com Text
Twit Text FOAVip
Twit Text #
English Wikipedia
Scattered Deletion of PKD1 in Kidneys Causes a Cystic Snowball Effect and
Recapitulates Polycystic Kidney Disease
#MMPMID25361818
Leonhard WN
; Zandbergen M
; Veraar K
; van den Berg S
; van der Weerd L
; Breuning M
; de Heer E
; Peters DJ
J Am Soc Nephrol
2015[Jun]; 26
(6
): 1322-33
PMID25361818
show ga
In total, 1 in 1000 individuals carries a germline mutation in the PKD1 or PKD2
gene, which leads to autosomal dominant polycystic kidney disease (ADPKD). Cysts
can form early in life and progressively increase in number and size during
adulthood. Extensive research has led to the presumption that somatic
inactivation of the remaining allele initiates the formation of cysts, and the
progression is further accelerated by renal injury. However, this hypothesis is
primarily on the basis of animal studies, in which the gene is inactivated
simultaneously in large percentages of kidney cells. To mimic human ADPKD in mice
more precisely, we reduced the percentage of Pkd1-deficient kidney cells to 8%.
Notably, no pathologic changes occurred for 6 months after Pkd1 deletion, and
additional renal injury increased the likelihood of cyst formation but never
triggered rapid PKD. In mildly affected mice, cysts were not randomly distributed
throughout the kidney but formed in clusters, which could be explained by
increased PKD-related signaling in not only cystic epithelial cells but also,
healthy-appearing tubules near cysts. In the majority of mice, these changes
preceded a rapid and massive onset of severe PKD that was remarkably similar to
human ADPKD. Our data suggest that initial cysts are the principal trigger for a
snowball effect driving the formation of new cysts, leading to the progression of
severe PKD. In addition, this approach is a suitable model for mimicking human
ADPKD and can be used for preclinical testing.