Trends in biomedical epigenetic research publications. PubMed citations containing the words epigenetic or epigenetics in the title or abstract were counted (www.ncbi.nlm.nih.gov/sites/entrez?db=PubMed). (a) Research articles, excluding review articles and editorials, were counted for each year up to 2010. (b) All publications covering epigenetic(s) are categorized to editorials, reviews and research articles. (c) Distribution of research articles published in 2010 for cancer, stem cells and their differentiation, neuronal diseases and cardiopulmonary diseases including asthma.
Additional keywords: epigenetics,stem cell,cancer,neuronal disease,cardiopulmonary disease