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.jpg): Failed to open stream: No such file or directory in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 117 Nat+Med
2015 ; 21
(5
): 457-66
Nephropedia Template TP
gab.com Text
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English Wikipedia
Active Pin1 is a key target of all-trans retinoic acid in acute promyelocytic
leukemia and breast cancer
#MMPMID25849135
Wei S
; Kozono S
; Kats L
; Nechama M
; Li W
; Guarnerio J
; Luo M
; You MH
; Yao Y
; Kondo A
; Hu H
; Bozkurt G
; Moerke NJ
; Cao S
; Reschke M
; Chen CH
; Rego EM
; Lo-Coco F
; Cantley LC
; Lee TH
; Wu H
; Zhang Y
; Pandolfi PP
; Zhou XZ
; Lu KP
Nat Med
2015[May]; 21
(5
): 457-66
PMID25849135
show ga
A common key regulator of oncogenic signaling pathways in multiple tumor types is
the unique isomerase Pin1. However, available Pin1 inhibitors lack the required
specificity and potency for inhibiting Pin1 function in vivo. By using
mechanism-based screening, here we find that all-trans retinoic acid (ATRA)--a
therapy for acute promyelocytic leukemia (APL) that is considered the first
example of targeted therapy in cancer, but whose drug target remains
elusive--inhibits and degrades active Pin1 selectively in cancer cells by
directly binding to the substrate phosphate- and proline-binding pockets in the
Pin1 active site. ATRA-induced Pin1 ablation degrades the protein encoded by the
fusion oncogene PML-RARA and treats APL in APL cell and animal models as well as
in human patients. ATRA-induced Pin1 ablation also potently inhibits
triple-negative breast cancer cell growth in human cells and in animal models by
acting on many Pin1 substrate oncogenes and tumor suppressors. Thus, ATRA
simultaneously blocks multiple Pin1-regulated cancer-driving pathways, an
attractive property for treating aggressive and drug-resistant tumors.