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  • Researchers identify key epigenetic markers in vulnerability to developing food addiction
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Researchers identify key epigenetic markers in vulnerability to developing food addiction

By Latrina M. Midkiff 1 week ago


food addiction
Credit: Pixabay/CC0 Community Domain

A group of researchers has recognized in rodents and human beings typical epigenetic mechanisms related to meals addiction. The write-up, printed in Journal of Clinical Investigation, was led by Rafael Maldonado and Elena Martín, from the Neuropharmacology-Neurophar research team at Pompeu Fabra College, connected to the Medical center de la Mar Healthcare Study Institute (IMIM), and José Manuel Fernández-Actual, of the Diet, Eumetabolism and Wellness team of the Girona Biomedical Research Institute (IDIBGI) Dr. Josep Trueta and CIBEROBN.

Food stuff habit is linked to uncontrolled intake involved with weight problems and having problems. It is a elaborate, chronic, multifactorial brain ailment that results from the conversation of many genes and environmental factors. Its prevalence is expanding all over the world and there are no helpful therapies.

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  • Epigenetic Markers Associated With Food Addiction Vulnerability

In an before paper, the scientists recognized the neurobiological mechanisms that allow for the growth of meals addiction conduct. Especially, they discovered the involvement of sure cortical regions in the brain in the loss of regulate of food stuff ingestion.

“Obtaining recognized the mechanism, we talk to ourselves why some men and women are resilient, while other folks are addicted. To do so, we emphasis on epigenetic components, that is, external or environmental elements that modify gene expression,” Elena Martín points out.

The scientists selected extraordinary populations of rodents addicted and not addicted to food stuff. They especially looked for epigenetic markers in spots of the cerebral cortex linked to this habit. Amid the distinctive epigenetic mechanisms that exist, in this situation, they centered on microRNAs compact RNA molecules that regulate gene expression in a advanced and dynamic manner.

They also examined circulating microRNAs in healthful volunteers and a questionnaire was administered constituting an instrument to measure the degree of addiction to food items. “The most intriguing getting was that the very same microRNAs that had been afflicted in the mouse brain ended up also altered in people’s plasma. Intriguingly, the same microRNAs ended up associated with the diploma of foodstuff habit quantified by means of this questionnaire,” explains José Manuel Fernández-Actual.

Bru Cormand and Noèlia Fernàndez, from the University of Barcelona, the Institute of Biomedicine of the University of Barcelona (IBUB), the Sant Joan de Déu Analysis Institute (IRSJD) and the CIBERER demonstrate that “the most important microRNAs discovered are involved in procedures applicable to foods addiction, such as lipid and carbohydrate digestion, morphological improvements in the brain, insulin resistance or even habit to selected substances, such as methamphetamines.”

Inside this multifactorial disease with multiple expressions, they have identified two primary components of behavioral alteration: superior drive to obtain foodstuff, and compulsive looking, in spite of the unfavorable outcomes of these kinds of conduct. “Interestingly, we have observed that two certain epigenetic modifications show up to be responsible for these behavioral hallmarks of the sickness,” Rafael Maldonado points out. “The similarities amongst mouse and human results give considerable translational worth to the analyze. The position of epigenetics in vulnerability to food items dependancy opens the doorway to figuring out biomarkers for the early prognosis of the sickness and the research for foreseeable future therapies by modifying the expression of miRNA,” he concludes.


Neurobiological mechanisms associated in the reduction of command in a examine in mice disclosed


More facts:
Alejandra García-Blanco et al, MicroRNAs signatures linked with vulnerability to meals addiction in mice and people, Journal of Scientific Investigation (2022). DOI: 10.1172/JCI156281

Provided by
Universitat Pompeu Fabra – Barcelona

Citation:
Scientists establish essential epigenetic markers in vulnerability to acquiring food habit (2022, Might 9)
retrieved 13 May well 2022
from https://medicalxpress.com/information/2022-05-critical-epigenetic-markers-vulnerability-food items.html

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