The impact of high-fat diet-induced oxidative stress on micro RNA’s in various tissues


Submitted: 20 May 2022
Accepted: 25 August 2022
Published: 2 July 2023
Abstract Views: 1695
PDF: 98
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Authors

  • Manikanta Vinay Jayavaram Department of Pharmacology, Siddha Central Research Institute, Central Council for Research in Siddha, Anna Hospital Campus, Arumbakkam, Chennai, Tamilnadu, India.
  • Dayanand Reddy Gaddam Department of Pharmacology, Siddha Central Research Institute, Central Council for Research in Siddha, Anna Hospital Campus, Arumbakkam, Chennai, Tamilnadu, India.
  • Vijay Narasimha Kumar Godlaveti Department of Pharmacology, Dr. Anjali Chatterjee Regional Research Institute for Homeopathy, Central Council for Research in Homeopathy, Kolkata, West Bengal, India.
  • Pullaiah Chitikela Department of Pharmacology, Siddha Central Research Institute, Central Council for Research in Siddha, Anna Hospital Campus, Arumbakkam, Chennai, Tamilnadu, India.
  • Vara Prasad Saka Department of Pharmacology, Dr. Anjali Chatterjee Regional Research Institute for Homeopathy, Central Council for Research in Homeopathy, Kolkata, West Bengal, India.

Stress is the body’s reaction to any kind of injury or danger. It is linked to the production of oxidative free radicals, which are responsible for a variety of acute, chronic, and potentially fatal illnesses and diseases. Free radicals, due to their extreme reactivity, can harm or even kill cells. A High-Fat Diet (HFD) causes “oxidative stress”, which is characterized by an increase in the body’s generation of Reactive Oxygen Species (ROS) as a result of higher levels of triglycerides and Free Fatty Acids (FFA). HFD-induced oxidative stress alters cellular function by affecting transcriptional factors and mitochondrial enzymes (synthesis/inhibition). ROS and FFA damage the receptors of the epithelium, resulting in epithelial damage that impairs cellular function. ROS levels can harm cells by altering the expression of microRNA (miRNA), a sign of RNA damage. MiRNAs are non-coding RNAs found in animals, plants, and some viruses that play a role in the post-transcriptional regulation of gene expression. These three pathways—RNA cleavage, RNA destabilization, and RNA translation into proteins— all play a role in mRNA expression. The miRNA regulates the up- and downregulation of mRNA expression for cellular function, enzyme synthesis, and receptor modulation. MiRNA regulates cell function by maintaining the balance between cellular ROS levels and cellular damage.


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Jayavaram, M. V., Gaddam, D. R., Godlaveti, V. N. K., Chitikela, P., & Saka, V. P. (2023). The impact of high-fat diet-induced oxidative stress on micro RNA’s in various tissues. Pre-Clinical Research, 1(1). https://doi.org/10.4081/pcr.2023.9529

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