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2018 ; 8
(1
): 6449
Nephropedia Template TP
gab.com Text
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English Wikipedia
The Hippo Signaling Transducer TAZ Regulates Mammary Gland Morphogenesis and
Carcinogen-induced Mammary Tumorigenesis
#MMPMID29691438
Denson KE
; Mussell AL
; Shen H
; Truskinovsky A
; Yang N
; Parashurama N
; Chen Y
; Frangou C
; Yang F
; Zhang J
Sci Rep
2018[Apr]; 8
(1
): 6449
PMID29691438
show ga
Hippo signaling pathway is an evolutionarily conserved pathway that controls
organ size by regulating cell proliferation, apoptosis and stem cell
self-renewal. TAZ (transcriptional coactivator with the PDZ-binding motif) is a
key downstream effector of the mammalian Hippo pathway. Here, using a transgenic
mouse model with mammary-gland-specific expression of constitutively active TAZ,
we found that TAZ induction in mammary epithelial cells was associated with an
increase in mammary glandular size, which probably resulted from adipocyte
hypertrophy. Consistent with its known oncogenic potential, we observed tumor
formation in TAZ transgenic mice after administration of the carcinogen
7,12-dimethylbenzanthracene (DMBA) and demonstrated that tumorigenesis was
reliant on the presence of TAZ. Our findings establish a previously unknown roles
of TAZ in regulating both mammary gland morphogenesis as well as
carcinogen-induced mammary tumor formation.
|Adaptor Proteins, Signal Transducing/metabolism/physiology
[MESH]
|Animals
[MESH]
|Apoptosis
[MESH]
|Carcinogenesis/metabolism
[MESH]
|Cell Proliferation
[MESH]
|Cell Transformation, Neoplastic
[MESH]
|Epithelial Cells/metabolism
[MESH]
|Female
[MESH]
|Hippo Signaling Pathway
[MESH]
|Humans
[MESH]
|Intracellular Signaling Peptides and Proteins/*metabolism/*physiology
[MESH]