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Last Updated: Sep 15, 2017 - 4:49:58 AM
Research Article
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Latest Research : Endocrinology : Diabetes

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Silencing the TLR4 gene to stop the cardiovascular disease in diabetic patients

Dec 10, 2010 - 8:11:49 AM , Reviewed by: Dr. Sanjukta Acharya

[RxPG] Silencing the TLR4 gene can stop the process which may lead to cardiovascular disease in diabetic patients. Researchers writing in BioMed Central's open access Journal of Translational Medicine carried out a series of in vitro tests which demonstrated that TLR4 plays a critical role in hyperglycaemic cardiac apoptosis, and that silencing the gene using specific small interfering RNA (siRNA) can prevent it.

Wei-Ping Min, from the University of Western Ontario, Canada, worked with a team of researchers to perform the tests in cells taken from diabetic mice. He said, "We found that TLR4 was up-regulated in the myocardia of diabetic mice. Treatment with TLR4 siRNA attenuated the apoptosis seen in these cells, thus highlighting the potential clinical use of siRNA-based therapy".

Min and his colleagues induced hyperglycemia in adult mice by injecting them with streptozotocin, a toxin that poisons insulin-producing beta cells. They found that after 7 days of hyperglycemia, the level of TLR4 mRNA in myocardial tissue was significantly elevated, and signs of apoptosis were evident. Silencing TLR4 resulted in suppression of apoptotic cascades. According to Min, "This is the first demonstration of the prevention of cardiac apoptosis in diabetic mice through silencing of the TLR4 gene".

Publication: Journal of Translational Medicine

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 About Dr. Sanjukta Acharya
This news story has been reviewed by Dr. Sanjukta Acharya before its publication on RxPG News website. Dr. Sanjukta Acharya, MBBS MRCP is the chief editor for RxPG News website. She oversees all the medical news submissions and manages the medicine section of the website. She has a special interest in nephrology. She can be reached for corrections and feedback at [email protected]
RxPG News is committed to promotion and implementation of Evidence Based Medical Journalism in all channels of mass media including internet.
For any corrections of factual information, to contact the editors or to send any medical news or health news press releases, use feedback form

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