Abstract
Lung cancer is the leading cause of malingnancy death worldwide. This phenomenon occurs
when detected in the most advanced stages of the
disease (stage III or IV). There are risk factors
described in the generation of this cancer such
us the consumption of tabacco, inhalation and
subsequent accumulation of radon and asbestos
in lung tissue, environmental pollution, the presence of genetic alterations, and the presence of
epigenetic factors regulating the expression or
repression of genes involved in tumor development. Epigenetic regulation mechanisms may
get involved in tumor progression. They are
DNA methylation, histone covalent modification
and the presence of noncoding RNAs. At different stages of tumor progression it described, the
involve of epigenetic mechanisms as regulators
of processes related to proliferation, epithelial
mesenchymal transition, metastasis, apoptosis,
and others describes different stages of the tumor
progression. This review focuses on describing
the role of epigenetics in the progression of the
lung tumor and remarks on the importance of enhancing knowledge in this discipline for diagnosis and treatment
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