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2016 ; 17
(9
): 955-65
Nephropedia Template TP
gab.com Text
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Twit Text #
English Wikipedia
Methylglyoxal suppresses human colon cancer cell lines and tumor growth in a
mouse model by impairing glycolytic metabolism of cancer cells associated with
down-regulation of c-Myc expression
#MMPMID27455418
He T
; Zhou H
; Li C
; Chen Y
; Chen X
; Li C
; Mao J
; Lyu J
; Meng QH
Cancer Biol Ther
2016[Sep]; 17
(9
): 955-65
PMID27455418
show ga
Methylglyoxal (MG) is a highly reactive dicarbonyl compound exhibiting anti-tumor
activity. The anti-tumor effects of MG have been demonstrated in some types of
cancer, but its role in colon cancer and the mechanisms underlying this activity
remain largely unknown. We investigated its role in human colon cancer and the
underlying mechanism using human colon cancer cells and animal model. Viability,
proliferation, and apoptosis were quantified in DLD-1 and SW480 colon cancer
cells by using the Cell Counting Kit-8, plate colony formation assay, and flow
cytometry, respectively. Cell migration and invasion were assessed by wound
healing and transwell assays. Glucose consumption, lactate production, and
intracellular ATP production also were assayed. The levels of c-Myc protein and
mRNA were quantitated by western blot and qRT-PCR. The anti-tumor role of MG in
vivo was investigated in a DLD-1 xenograft tumor model in nude mice. We
demonstrated that MG inhibited viability, proliferation, migration, and invasion
and induced apoptosis of DLD-1 and SW480 colon cancer cells. Treatment with MG
reduced glucose consumption, lactate production, and ATP production and decreased
c-Myc protein levels in these cells. Moreover, MG significantly suppressed tumor
growth and c-Myc expression in vivo. Our findings suggest that MG plays an
anti-tumor role in colon cancer. It inhibits cancer cell growth by altering the
glycolytic pathway associated with downregulation of c-Myc protein. MG has
therapeutic potential in colon cancer by interrupting cancer metabolism.