{ "item_title" : "epigenetic", "item_author" : [" Biogical Engineering "], "item_description" : "Epigenetics is the study of heritable changes in gene expression (active versus inactive genes) that do not involve changes to the underlying DNA sequence - a change in phenotype without a change in genotype - which in turn affects how cells read the genes. Epigenetic change is a regular and natural occurrence but can also be influenced by several factors including age, the environment/lifestyle, and disease state. Epigenetic modifications can manifest as commonly as the manner in which cells terminally differentiate to end up as skin cells, liver cells, brain cells, etc. Or, epigenetic change can have more damaging effects that can result in diseases like cancer. At least three systems including DNA methylation, histone modification and non-coding RNA (ncRNA)-associated gene silencing are currently considered to initiate and sustain epigenetic change.1 New and ongoing research is continuously uncovering the role of epigenetics in a variety of human disorders and fatal diseases.", "item_img_path" : "https://covers1.booksamillion.com/covers/bam/9/79/862/115/9798621157296_b.jpg", "price_data" : { "retail_price" : "6.99", "online_price" : "6.99", "our_price" : "6.99", "club_price" : "6.99", "savings_pct" : "0", "savings_amt" : "0.00", "club_savings_pct" : "0", "club_savings_amt" : "0.00", "discount_pct" : "10", "store_price" : "" } }

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