Epigenetics And Autistic Spectrum Disorder

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Epigenetics and Autistic Spectrum Disorder Jowan Jones Old Dominion University Abstract This paper plans to focus on autism spectrum disorder and how epigenetics contributes to the development of the disease. ASD is comorbid with other neurodevelopmental diseases including Rett Syndrome, Fragile X, Prader-Willi, and Angelman. These diseases have frequent, identifiable symptoms such as coloboma of the eye, heart defects, atresia of the nasal choanae, retardation of growth and or development, genital and or urinary abnormalities, and ear abnormalities and deafness. The definition of stochastic is to have a random probability distribution or pattern that may be analyzed statistically but may not be predicted precisely.…show more content…
The genome is the complete set of an individual’s inheritable traits or it’s DNA. As a fetus develops, signals are received that cause incremental change in the gene expression patterns. The DNA in our bodies is wrapped around proteins called histone. The histone and DNA are covered in chemical tags. This structure is called an epigenome. The epigenome shapes the structure of the genome. Epigenetic marks are modifications of DNA and histones. The epigenome tightly wraps inactive genes and allows active genes to be more easily accessible. The epigenome adjusts specific genes in response to our changing environment. The programming of neurons through epigenetic mechanisms is critical in neural development. A type of cellular memory is formed when those changes occur. These are epigenetic tags. Each tag records the cell’s experiences on the DNA. This is to help stabilize gene expression. Over time, and with thousands of different experiences, an epigenetic profile forms for each cell type. Each one is unique, with a distinct identity and a specialized function. A flexible epigenome allows us to adjust and learn from our mistakes. The epigenome responds to signals. These signals come from a variety of places. From fetal development to old age, our epigenome is effected by our environmental factors. What Is Autism Spectrum Disorder? Autism spectrum disorders are a group of childhood neurodevelopmental disorders involving problems in social
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