Analysis of early onset of Alzheimer's disease genes: disease causing and risk factors

  • Prama Pandey Department of Zoology, Gargi College, University of Delhi, Delhi, India
  • Poonam Sharma Department of Zoology, Gargi College, University of Delhi, Delhi, India
Keywords: Alzheimer's disease, Single nucleotide polymorphism, EOAD, Amyloid, Tau

Abstract

Alzheimer's disease is on the rise around the globe and is ranked sixth in the United States as the leading cause of death. It is a progressive neurodegenerative disease and the main causes of dementia. It is often characterized by symptoms such as lack of memory, agitation, restlessness, changes in personality, inability to perform everyday tasks, and impairment of speech. There are two forms of Alzheimer's disease: early onset of Alzheimer's disease occurring before 65 years of age, manifesting in 5-10% of the population, and late-onset of Alzheimer's disease manifesting after 65 years of age. In this study, the role of single nucleotide polymorphism in Alzheimer's disease using genome-wide association studies was investigated. Further, mutations underlying early onset of Alzheimer's disease were analyzed and it was found that mutations in the six genes APP, PSEN1, PSEN2, MAPT, GRN and PRNP resulted in the structural and functional protein modifications. These altered amino acids in early onset of Alzheimer's disease contribute to its pathogenesis. A single change in these genes is inherited in an autosomal dominant manner and might lead to early onset of Alzheimer's disease, however sporadic cases have also been identified.

DOI: http://dx.doi.org/10.5281/zenodo.4641962

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Published
2021-03-27
How to Cite
(1)
Pandey, P.; Sharma, P. Analysis of Early Onset of Alzheimer’s Disease Genes: Disease Causing and Risk Factors. European Journal of Biological Research 2021, 11, 251-259.
Section
Research Articles