Molecular mechanism involved in type 2 diabetes: Research | Health - Hindustan Times
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Molecular mechanism involved in type 2 diabetes: Research

ANI | | Posted by Tapatrisha Das, Washington
Mar 26, 2023 09:06 AM IST

The study has shown that molecular mechanism is involved in the development of Type 2 Diabetes in patients.

A Research has found a Research has identified a molecular mechanism involved in the development of type 2 diabetes.

Molecular mechanism involved in type 2 diabetes(Unsplash)
Molecular mechanism involved in type 2 diabetes(Unsplash)

The study was published in the journal, 'Redox Biology'.

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The study has described -in patients and animal model samples of type 2 diabetes-- a decrease in mitochondrial proteins that synthesize complex subunits of the respiratory chain. This decrease in proteins is associated with an increase in intracellular nitric oxide which, according to the researchers, could be a method for diagnosing the disease.

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Mitochondria are the organelles that produce cell energy, and there is evidence relating dysfunctions in its functioning with insulin resistance, typical of type 2 diabetes. The aim of the study was to determine whether there were alterations in the complex subunits of the mitochondrial respiratory chain that could be associated with this mitochondrial dysfunction. Then, the researchers wanted to explore whether nitric oxide --a present molecule in mitochondria that acts as a cell messenger in several physiological and pathological processes-- is involved in these alterations.

To do so, the researchers analyzed muscular samples of obese patients with type 2 diabetes (it usually appears around the age of 55), obese patients with early diabetes (around the age of 25), and samples of model animals with diabetes. "In this study, conducted in collaboration with clinical doctors from Dublin City University and the Trinity College Dublin's St James's Hospital (Ireland) and researchers from IRB Barcelona, we found that mtRNA synthetases (proteins that synthetize the mitochondrial complexes) play a relevant role in the defects observed in mitochondrial respiration, since its decrease involves the decrease in synthesis of specific subunits of the respiratory chain complexes and, therefore, a mitochondrial dysfunction associated with a larger production of reactive oxygen species (ROS), and specifically, nitric oxide", notes Maribel Hernandez-Alvarez, researcher at the Faculty of Biology of the UB, the Institute of Biomedicine of the UB (IBUB) and CIBERDEM, who led the study together with Antonio Zorzano (UB-IRB-CIBERDEM).

These results open the door to more research into the effects of nitric oxide-producing enzymes and how they affect the abundance of mtRNA synthetases and their relationship to mitochondrial protein synthesis.

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This story has been published from a wire agency feed without modifications to the text. Only the headline has been changed.
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