Verma PK, El-Harouni AA. Review of literature: genes related to postaxial polydactyly.
Front Pediatr 2015;
3:8. [PMID:
25717468 PMCID:
PMC4324078 DOI:
10.3389/fped.2015.00008]
[Citation(s) in RCA: 15] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/20/2014] [Accepted: 01/26/2015] [Indexed: 11/21/2022] Open
Abstract
BACKGROUND
Postaxial polydactyly (PAP) is one of the commonest congenital malformations and usually is associated to several syndromes. There is no primary investigational strategy for PAP cases with single gene disorder in literature. PAP cases with single gene disorder can be classified according to common pathways and molecular basis. Molecular classification may help in diagnostic approach.
MATERIALS AND METHODS
All single gene disorders associated with PAP reported on PubMed and OMIM are analyzed and classified according to molecular basis.
RESULTS
Majority of genes related to cilia structure and functions are associated with PAP, so we classified them as ciliopathies and non-ciliopathies groups. Genes related to Shh-Gli3 pathway was the commonest group in non-ciliopathies.
CONCLUSION
Genes related to cilia are most commonly related to PAP due to their indirect relationship to Shh-Gli3 signaling pathway. Initially, PAP may be the only clinical finding with ciliopathies so those cases need follow up. Proper diagnosis is helpful for management and genetic counseling. Molecular approach may help to define pleiotropy.
Collapse