PMID: 22577452May 12, 2012Paper

A case report on holt-oram syndrome (heart-hand).

ARYA Atherosclerosis
Gholamreza Nourzad, Mahnaz Baghershiroodi

Abstract

The Holt-Oram Syndrome (HOS) or the Heart-Hand syndrome is considered as an overt autosomal hereditary disease with a complete influential effect and variable expression that emerges due to a genetic mutation. It can be vividly characterized by heart disorders and deficiencies in hand structure. Despite the existing genetic heterogeneity, the variable integration between HOS and the T-BX5 gene from the T-BOX Gene Complex has been observed during which various mutations have been reported in the affected patients. The T-BOX Gene Complex is located on chromosome 12 (12 q 24.1), and is able to encode a copying factor. That has a conservative motive with 180 amino acids. The deficiencies in only 1/3 of patients have been observed caused by the mutation of this gene. This case was a 10-year-old child with hand disorders, incomplete growth of clavicle, moving problems in elbow joint and shoulder, disorder in ventricle and auricle walls. The disease was diagnosed as HOS, based on clinical examination and drawing the family tree diagram. It was impossible to investigate molecular mutation due to inaccessibility to the patient. By investigating the family members and their deficiencies and imaging disorder variables according to differe...Continue Reading

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