21. This is the " cis " model of epigenetic function. 22. The factors mentioned above serve to corroborate the epigenetic hypothesis. 23. Unfortunately, the epigenetic mechanisms underlying these phenotypic changes are rarely investigated. 24. He expands his metaphor by describing the underside of the epigenetic landscape. 25. Such mutations and epigenetic alterations may give rise to cancer. 26. Increasing evidence suggests that neurodegenerative diseases are mediated by erroneous epigenetic mechanisms. 27. This observation was likely explained when epigenetic analysis was performed. 28. Such mutations and epigenetic alterations can give rise to cancer. 29. Two common methods of epigenetic modification are DNA methylation and histone modification. 30. Some of these epigenetic alterations may contribute to cancer progression.
