Gene expression profile suggesting immunological dysregulation in two Brazilian Bloom's syndrome cases

M. Montenegro,C. Quaio,P. Palmeira,Yanca Gasparini,A. Rangel-Santos,Julian Damasceno,E. Novak,Thamires M Gimenez,G. Yamamoto,Rachel S Ronjo,G. M. Novo-Filho,S. Chehimi,É. Zanardo,A. T. Dias,A. Nascimento,Thaís V M M Costa,A. Duarte,L. Coutinho,C. Kim,L. Kulikowski

Published 2020 in Molecular Genetics & Genomic Medicine

ABSTRACT

Bloom syndrome (BS) is a rare autosomal recessive chromosome instability disorder. The main clinical manifestations are growth deficiency, telangiectasic facial erythema, immunodeficiency, and increased risk to develop neoplasias at early age. Cytogenetic test for sister chromatid exchanges (SCEs) is used as a diagnostic marker for BS. In addition, most patients also present mutations in the BLM gene, related to defects in the DNA repair mechanism. However, the molecular mechanism behind the pathogenicity of BS is still not completely understood.

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