Abstract:
:Acromesomelic dysplasia Maroteaux type (AMDM) is an autosomal recessive skeletal disorder characterized by disproportionate short stature with shortening of the acromesomelic sections of the limbs. AMDM is caused by mutations in the NPR2 gene located on chromosome 9p21-p12. The gene encodes the natriuretic peptide receptor B (NPR-B) that acts as an endogenous receptor for C-type natriuretic peptide (CNP). Both CNP and NPR-B are considered as important regulators of longitudinal growth. The study presented here investigated three consanguineous families (A, B, C) segregating AMDM in an autosomal recessive manner. Linkage in the families was established to the NPR2 gene on chromosome 9p12-21. Sequence analysis of the gene revealed two novel missense variants (p.Arg601Ser; p.Arg749Trp) in two families and a previously reported splice site variant (c.2986+2T>G) in the third family.
journal_name
Ann Hum Genetjournal_title
Annals of human geneticsauthors
Irfanullah,Umair M,Khan S,Ahmad Wdoi
10.1111/ahg.12116subject
Has Abstractpub_date
2015-07-01 00:00:00pages
238-44issue
4eissn
0003-4800issn
1469-1809journal_volume
79pub_type
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