Gene therapy may treat diabetes and obesity via skin!
June, 19 2018 12:31
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Gene therapy may treat diabetes and obesity via skin!

By: Shivani Arora

Published on: Sat 05 Aug 2017 11:50 AM

Uttar Pradesh News Portal : Gene therapy may treat diabetes and obesity via skin!

A new form of gene therapy administered through skin transplants can help improve treatments for Type-2 diabetes and obesity, researchers have claimed.

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According to a Research:

  • Using CRISPR, researchers from the University of Chicago edited the skin stem cells from newborn mice.
  • In addition,which prompted the cells to secrete glucagon-like peptide 1 (GLP1)
  • GLP1, a hormone that stimulates the pancreas to secrete insulin and regulates blood sugar.
  • The cells when transplanted onto mice showed the grafts increased insulin secretion and reversed weight gain from a high-fat diet, as well as overturned insulin resistance.

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Assistant Professor from University of Chicago:

  • Xiaoyang Wu, Assistant Professor at the University of Chicago.
  • Said,”we resolved some technical hurdles and designed a mouse-to-mouse skin transplantation model in animals with intact immune systems.
  • In addition,we think this platform has the potential to lead to safe and durable gene therapy, in mice.
  • Furthermore,we hope, someday, in humans, using selected and modified cells from skin.
  • The researchers inserted one mutation, designed to extend the hormone’s half-life in the blood stream, and fused the modified gene to an antibody fragment so that GLP-1 would circulate in the blood stream longer.
  • They also attached an inducible promoter, which enabled them to turn on the gene to make more GLP1, as needed, by exposing it to the antibiotic doxycycline, the researchers said in the paper detailed in the journal Cell Stem Cell.
  • When the mice were fed minute amounts of doxycycline.
  • They released GLP1 into the blood, which promptly increased blood-insulin levels and reduced blood-glucose levels.
  • When high-fat diet was combined with doxycycline, the mice secreted GLP1 and gained less weight.
  • Suggesting that “cutaneous gene therapy for GLP1 secretion could be practical and clinically relevant”.
  • Wu said,we think this can provide a long-term safe option for the treatment of many diseases.
  • It could be used to deliver therapeutic proteins, replacing missing proteins for people with a genetic defect such as hemophilia.
  • Or it could function as a metabolic sink, removing various toxins.

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