Genetic and environmental factors influencing human diseases with telomere dysfunction

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18 Scopus citations

Abstract

Both genetic and environmental factors have been implicated in the mechanism underlying the pathogenesis of serious and fatal forms of human blood disorder (acquired aplastic anemia, AA) and lung disease (idiopathic pulmonary fibrosis, IPF). We and other researchers have recently shown that naturally occurring mutations in genes encoding the telomere maintenance complex (telomerase) may predispose patients to the development of AA or IPF. Epidemiological data have shown that environmental factors can also cause and/or exacerbate the pathogenesis of these diseases. The exact mechanisms that these germ-line mutations in telomere maintenance genes coupled with environmental insults lead to ineffective hematopoiesis in AA and lung scarring in IPF are not well understood, however. In this article, we provide a summary of evidence for environmental and genetic factors influencing the diseases. These studies provide important insights into the interplay between environmental and genetic factors leading to human diseases with telomere dysfunction.

Original languageEnglish (US)
Pages (from-to)114-130
Number of pages17
JournalInternational Journal of Clinical and Experimental Medicine
Volume2
Issue number2
StatePublished - Aug 3 2009

Keywords

  • Aplastic anemia
  • Dyskeratosis congenita
  • Environmental factors
  • Idiopathic pulmonary fibrosis
  • Telomerase
  • Telomeres

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