Gene/Protein Disease Symptom Drug Enzyme Compound
Pivot Concepts:   Target Concepts:
Query: UMLS:C0011860 (type 2 diabetes)
 57,723 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

The number of mammalian calpain protease family members has grown to 14 on last count. Overactivation of calpain 1 and calpain 2 (and their small subunit) has long been tied to acute neurological disorders (e.g. stroke and traumatic brain injury) and recently to Alzheimer's disease. Loss-of-function mutations of the calpain 3 gene have now been identified as the cause of limb-girdle muscular dystrophy 2A. Calpain 10 was recently identified as a susceptibility gene for type 2 diabetes, whereas calpain 9 appears to be a gastric cancer suppressor. This review describes our current understanding of the calpain family members and their mechanistic linkages to the aforementioned diseases as well as other emerging pathological conditions.
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PMID:The calpain family and human disease. 1151 96

Calpain 10 plays a role in insulin secretion, action and susceptibility to type 2 diabetes. The mechanism through which it influences the insulin secretion and action is not completely defined. A structural bioinformatics approach is applied to envision its mechanism of action using available tools on NCBI (blastp and blastn), EMBL-EBI, Ensembl, Swiss Model Repository websites, I-TASSER, PROCHECK program and Discovery Studio software. Homology of domain I and II of calpain10 (isoform a) was established with super family cysteine proteinase domains (II a and II b, e=1.30e-77, 1.00e-20). Remaining sequences of domain III and T from (isoform a and c) indicated some similarity (Avg. e=1.94e-37) to calpain large subunit domain III (PF01067), the isoform g (139 AA) showed similarity with a part of catalytic domain of cysteine protease super family (e-value 1.00e-20). Swiss-model repository for 3D structures of protein, showed structural resemblance of 29% with 1QXP template of mu-calpain, 27% with 1KFX of m-calpain and 32% with 2P0R of calpain 9 in complex with leupeptin. Models prepared through I-TASSER confirmed through Ramachandran (RC) plots. The calpain 10 isoforms a, c and g show partial structural and functional resemblance to m, mu and calpain 9. This information is useful to find new drugs for disease management.
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PMID:Molecular signatures of Calpain 10 isoforms sequences, envisage functional similarity and therapeutic potential. 3127 3