Abstract:
AIM:Gasdermin-like (GSDML) is a novel member of the cancer associated gasdermin-domain containing (GSDMDC) protein family. The GSDMDC family has been linked to cancer development and progression, and this is the first study analysing the expression and intracellular localisation of GSDML. METHODS:GSDML gene transcription was analysed using quantitative real-time RT-PCR. Anti-peptide antibodies against GSDML were developed in rabbits, and an in vitro transcription-translation reaction was used to verify specificity. The Protein-G affinity purified antibodies were used in immunohistochemistry and immunoblotting on hepatocellular, gastric, and colorectal carcinomas and non-lesional tissues. RESULTS:The GSDML gene was transcribed in human gastric, liver and colon cell lines, carcinomas and non-lesional tissues. The GSDML protein was localised to the cytoplasm of cells in both tumour and non-lesional tissues. The GSDML protein splicing variants range in molecular weight from 35 to 50 kDa, and the expression profile varies between tumour and non-tumour. A distinctive vesicular staining pattern was exhibited by GSDML in the apical region of gastric chief cells and colonic surface mucous cells, and the basal region of neuroendocrine cells. CONCLUSION:GSDML may be a secretory or metabolic product involved in a secretory pathway, and changes in the regulation of GSDML splicing variant transcription and translation may be seen in the development and/or progression of gastrointestinal and hepatic cancers.
journal_name
Pathologyjournal_title
Pathologyauthors
Carl-McGrath S,Schneider-Stock R,Ebert M,Röcken Cdoi
10.1080/00313020701716250subject
Has Abstractpub_date
2008-01-01 00:00:00pages
13-24issue
1eissn
0031-3025issn
1465-3931pii
S0031-3025(16)32423-0journal_volume
40pub_type
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