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Trends Biochem Sci. 2002 Jul;27(7):329-32.

BRICHOS: a conserved domain in proteins associated with dementia, respiratory distress and cancer.

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  • 1Protein Design Group, Centro Nacional de Biotecnolog√≠a (CNB-CSIC), Cantoblanco E-28049, Madrid, Spain.


A novel domain (the BRICHOS domain) of approximately 100 amino acids has been identified in several previously unrelated proteins that are linked to major diseases. These include BRI(2), which is related to familial British and Danish dementia (FBD and FDD); Chondromodulin-I (ChM-I), related to chondrosarcoma; CA11, related to stomach cancer; and surfactant protein C (SP-C), related to respiratory distress syndrome (RDS). In several of these, the conserved BRICHOS domain is located in the propeptide region that is removed after proteolytic processing. Experimental data suggest that the role of this domain could be related to the complex post-translational processing of these proteins.

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