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2016 ; 34
(11
): 483.e1-483.e8
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gab.com Text
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English Wikipedia
Hepatoma-derived growth factor: A survival-related protein in prostate
oncogenesis and a potential target for vitamin K2
#MMPMID27692835
Shetty A
; Dasari S
; Banerjee S
; Gheewala T
; Zheng G
; Chen A
; Kajdacsy-Balla A
; Bosland MC
; Munirathinam G
Urol Oncol
2016[Nov]; 34
(11
): 483.e1-483.e8
PMID27692835
show ga
Hepatoma-derived growth factor (HDGF) is a heparin-binding growth factor, which
has previously been shown to be expressed in a variety of cancers. HDGF
overexpression has also previously been correlated with a poor prognosis in
several cancers. The significance of HDGF in prostate cancer, however, has not
been investigated. Here, we show that HDGF is overexpressed in both
androgen-sensitive LNCaP cells and androgen-insensitive DU145, 22RV1, and PC-3
cells. Forced overexpression enhanced cell viability of RWPE-1 cells, whereas
HDGF knockdown reduced cell proliferation in human prostate cancer cells. We also
show that HDGF may serve as a survival-related protein as ectopic overexpression
of HDGF in RWPE cells up-regulated the expression of antiapoptosis proteins
cyclin E and BCL-2, whereas simultaneously down-regulating proapoptotic protein
BAX. Western blot analysis also showed that HDGF overexpression modulated the
activity of phospho-AKT as well as NF-kB, and these results correlated with in
vitro migration and invasion assays. We next assessed the therapeutic potential
of HDGF inhibition with a HDGF monoclonal antibody and vitamin k(2), showing
reduced cell proliferation as well as inhibition of NF-kB expression in HDGF
overexpressed RWPE cells treated with a HDGF monoclonal antibody and vitamin
K(2). Collectively, our results suggest that HDGF is a relevant protein in
prostate oncogenesis and may serve as a potential therapeutic target in prostate
cancer.
|Adenocarcinoma/metabolism/*pathology
[MESH]
|Androgens
[MESH]
|Antibodies, Monoclonal/pharmacology
[MESH]
|Apoptosis/drug effects
[MESH]
|Cell Division/drug effects
[MESH]
|Cell Line, Tumor
[MESH]
|Cell Survival
[MESH]
|Cell Transformation, Neoplastic
[MESH]
|Drug Screening Assays, Antitumor
[MESH]
|Epithelial Cells/drug effects/metabolism
[MESH]
|Gene Expression Regulation, Neoplastic
[MESH]
|Humans
[MESH]
|Intercellular Signaling Peptides and Proteins/pharmacology/*physiology
[MESH]