CALR
calreticulin
switch view
a chaperon protein that directs proper conformation of proteins and glycoproteins in the ER, and plays a role in homeostatic control of cytosolic and ER calcium levels; also involved in wound healing, the immune response, and fibrosis [Pubmed]
This census gene has a hallmark. For more information please look
[here].
|
role in cancer | oncogene |
|---|---|---|
|
types of alteration in cancer | frameshift mutations in exon 9 [Pubmed] |
|
impact of mutation on function | overexpression of L367fs*46 CALR deletion caused cytokine-independent growth in vitro due to the activation of STAT5 in mouse Ba/F3 cell line [Pubmed]; loss of C-terminal domain, containing ER-retention signal results in changed subcellular localisation of mutant protein; mutant C-terminal domain binds to and inactivates CALR autoinhibitory domain increasing its ability to activate MPL (thrombopoietin receptor) [Pubmed] |
angiogenesis
overexpression enhances angiogenesis in gastric cancer [Pubmed]
escaping programmed cell death
increases resistance to anoikis in oesophageal SCC [Pubmed]