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Nucleic acid biosynthesis is a fundamental biochemical process that produces the purine and pyrimidine nucleotides essential for DNA and RNA synthesis. This pathway maintains a balanced nucleotide pool, preventing imbalances that could jeopardize genetic integrity and cellular function. Given the crucial role of nucleotides, their synthesis is tightly regulated to ensure proper cellular homeostasis.Purine BiosynthesisThe biosynthesis of purine nucleotides begins with ribose-5-phosphate, a...
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A Method for Measuring RNA N6-methyladenosine Modifications in Cells and Tissues
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N6-methyladenosine and Neurological Diseases.

Nan Zhang1, Chunhong Ding1, Yuxin Zuo1

  • 1Department of Physiology, Institute of Neuroscience Research, Hengyang Key Laboratory of Neurodegeneration and Cognitive Impairment, Hengyang Medical College, University of South China, 28 West Changsheng Road, Hengyang, 421001, Hunan, China.

Molecular Neurobiology
|January 15, 2022
PubMed
Summary

N6-methyladenosine (m6A) is a key epigenetic modification impacting brain functions and neurological diseases. This review explores m6A

Keywords:
Alzheimer’s diseaseEpigenetic modificationsN6-methyladenosine (m6A)Neurological diseasesParkinson’s disease

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Area of Science:

  • Epigenetics
  • Neuroscience
  • Molecular Biology

Background:

  • N6-methyladenosine (m6A) is the most prevalent mRNA epigenetic modification.
  • m6A involves dynamic methylation, demethylation, and recognition by specific proteins.
  • m6A-related proteins are vital for cellular functions but their dysregulation is linked to diseases.

Purpose of the Study:

  • To review the role of m6A in the development of central nervous system (CNS) diseases.
  • To elucidate the function of m6A-related proteins in neurological disorders.
  • To highlight potential therapeutic targets for neurological diseases.

Main Methods:

  • Literature review focusing on m6A and CNS diseases.
  • Analysis of the involvement of m6A machinery in neurological functions.
  • Examination of m6A's role in disease pathogenesis.

Main Results:

  • Abnormal expression of m6A-related proteins affects neuritogenesis, brain volume, and memory.
  • m6A dysregulation is implicated in Parkinson's, Alzheimer's, epilepsy, and brain tumors.
  • Specific m6A proteins like METTL3, ALKBH5, and YTHDFs play critical roles.

Conclusions:

  • m6A modifications are crucial for normal brain function.
  • Dysregulation of m6A contributes significantly to the pathogenesis of CNS diseases.
  • Targeting the m6A pathway offers promising therapeutic strategies for neurological disorders.