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Home National Education

IIT Mandi researcher shows the drug used in treating opioid addiction can reverse some of the type 2 diabetes – associated adverse events

They have found the drug that is used in treating opioid addiction can potentially reverse this phenomenon.

by NavJeevan
5 years ago
in Education, Health & Environment, IITs, Science and Technology, Student's Corner
Reading Time: 2 mins read
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DST sanctions Rs. 7.25-crore to IIT Mandi to establish a Technology Innovation Hub

Aeriel view of Indian Institute of Technology, Mand in Himachal Pradeshi. NE FILE PHOTO

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NE SCIENCE & TECHNOLOGY BUREAU
CHENNAI, NOV 2

Researchers from the Indian Institute of Technology Mandi have unravelled the mechanism by which insulin overload in the body causes insulin resistance that is associated with diabetes. They have found the drug that is used in treating opioid addiction can potentially reverse this phenomenon, an IIT-Mandi release said.

The results of the research work that was funded by the Science & Engineering Research Board (SERB) grant, have recently been published in the Journal of Biological Chemistry. The paper has been authored by the lead scientist on this research Dr. Prosenjit Mondal, Associate Professor, School of Basic Sciences, IIT Mandi, and Co-investigators on the study were research scholars, Mr. Abhinav Choubey, Ms.Khyati Girdhar of IIT Mandi along with Dr. Debabrata Ghosh, Mr. Aditya K. Kar, and Mr. Shaivya Kushwaha of CSIR-IITR, Lucknow and Dr. Manoj Kumar Yadav of SRM University, Delhi-NCR, Sonipat, Haryana.

Dr. Prosenjit Mondal (left), Associate Profesor, School of Basic Sciences, IIT Mandi, and his research scholar Mr. Abhinav Choubey.

Insulin, a hormone produced by the pancreas, is used by cells to absorb glucose from the blood. Type-2 Diabetes results when cells lose their ability to use insulin due to a variety of reasons. Insulin resistance is intricately linked to a condition called hyperinsulinemia, in which there is excess insulin traversing the bloodstream. The relationship between insulin resistance and hyperinsulinemia is cyclic – each increases the occurrence of the other. While it is obvious how insulin resistance leads to hyperinsulinemia – when cells cannot use the insulin, it just remains in the blood – the converse of how hyperinsulinemia increases insulin resistance has hitherto remained unclear.

“We’ve known that one of the causes of insulin resistance is inflammation”, says Dr. Mondal, “We wanted to find out if and how hyperinsulinemia invokes inflammation in the body, which would provide the link between the two conditions”.

The researchers identified a critical protein molecule – SIRT1 which is repressed in hyperinsulinemia.  They discovered that a decrease in SIRT1 activates another protein called NFkB, which instigates inflammation, thus providing the link between hyperinsulinemia and systemic inflammation.

The team has also discovered a solution to this problem. The researchers found that low-dose naltrexone (LDN), a drug commonly administered for opiate addiction, can activate SIRT1, thereby reducing inflammation and increasing insulin sensitivity of cells.

The significance of this discovery is enormous. “Naltrexone at low doses could potentially restore some of the diabetes-associated events in cellular and animal models”, says Dr. Mondal, who is confident that this is a viable path to follow for Type-2 diabetes management. Naltrexone is already an FDA-approved drug that is used for the treatment of opioid addiction and can easily be repurposed for inflammation reduction and diabetes control. The research team intends to study this thread further, to understand the mechanistic aspects of LDN’s effects on hyperinsulinemia-induced inflammation and resulting insulin resistance.

The study by the IIT Mandi researchers and its collaborators is timely given the urgent need to understand and address the issue of diabetes in India. “India is the diabetes capital of the world”, says, Dr. Mondal of IIT Mandi, adding that one of every six diabetics in the world is Indian.  “It is important to understand the various causative factors for diabetes to find cures and management strategies”, says the lead researcher, whose work seeks to understand and treat insulin resistance.

Tags: associated adverse eventsIIT Mandi researcher showsopioid addiction can reversesome of the type 2 diabetesthe drug used in treating
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