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Glutamate-ammonia ligase (GLUL) belongs to the glutamine synthetase family. It catalyzes the synthesis of glutamine from glutamate and ammonia in an ATP-dependent reaction. Here, we found higher expression of GLUL in the breast cancer patients was associated with larger tumor size and higher level of HER2 expression. In addition, GLUL was heterogeneously expressed in various breast cancer cells. The mRNA and protein expression levels of GLUL in SK-BR-3 cells were obviously higher than that in the other types of breast cancer cells. Results showed GLUL knockdown in SK-BR-3 cells could significantly decrease the proliferation ability. Furthermore, GLUL knockdown markedly inhibited the p38 MAPK and ERK1/ERK2 signaling pathways in SK-BR-3 cells. Thus, GLUL may represent a novel target for selectively inhibiting p38 MAPK and ERK1/ERK2 signaling pathways and the proliferation potential of breast cancer cells. J. Cell. Biochem. 118: 2018-2025, 2017. © 2016 Wiley Periodicals, Inc.
Pubmed ID: 27791265 RIS Download
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This monoclonal targets p44/42 MAPK (Erk1/2)
View all literature mentionsThis monoclonal targets Phospho-p44/42 MAPK (Erk1/2) (Thr202/Tyr204)
View all literature mentionsThis monoclonal targets p38 MAPK (D13E1) XP Rabbit mAb
View all literature mentionsThis monoclonal targets Mapk14
View all literature mentionsThis polyclonal targets GLUL antibody produced in rabbit
View all literature mentionsCell line MCF-7 is a Cancer cell line with a species of origin Homo sapiens (Human)
View all literature mentionsCell line MDA-MB-231 is a Cancer cell line with a species of origin Homo sapiens (Human)
View all literature mentionsCell line MDA-MB-453 is a Cancer cell line with a species of origin Homo sapiens (Human)
View all literature mentionsCell line MDA-MB-468 is a Cancer cell line with a species of origin Homo sapiens (Human)
View all literature mentionsCell line SK-BR-3 is a Cancer cell line with a species of origin Homo sapiens (Human)
View all literature mentionsCell line T-47D is a Cancer cell line with a species of origin Homo sapiens (Human)
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