Study Suggests Genetics Influence Response to Alzheimer’s Treatment

By News Release

Your genetics can influence your response to Alzheimer’s disease pathology, says a new paper from the Department of Physiology and Sanders-Brown Center on Aging (SBCoA) at the University of Kentucky College of Medicine. The laboratory of Donna Wilcock, Ph.D., professor in the Department of Physiology and SBCoA associate director, investigated inflammation in human brain tissue from UK’s Alzheimer’s Disease Research Center. Brain tissue was analyzed from individuals with different forms of the genetic risk factor, apolipoprotein E (ApoE).

ApoE comes in various forms including ApoE2, ApoE3 and ApoE4. ApoE2 is typically thought of as “protective” and reduces the risk of developing Alzheimer’s disease. ApoE3 is the most common form of the gene, while ApoE4 increases the risk and severity of Alzheimer’s disease.

This work, led by graduate student Courtney Kloske, found that individuals with ApoE4 had a reduced inflammatory response to Alzheimer’s disease pathology compared to individuals with ApoE3.

“This finding contradicts data found from mouse work, highlighting the need to always confirm studies in both mouse and then human tissue,” Wilcock said.

“Because of the differing response depending on genotype, targeting inflammation in ApoE4 patients may not be the best approach according to our research,” said Kloske. “This work shows that your genetic makeup may influence your response to certain types of treatment for Alzheimer’s disease.”

The Wilcock lab hopes this work will help contribute to moving treatments closer toward precision medicine.

This work was supported by the 1F31AG069372-01, 1RF1AG057754-01, and P30-AG028383 from the National Institute of Aging.

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Study Suggests Genetics Influence Response to Alzheimer’s Treatment.  Appl Radiol. 

By News Release| October 12, 2021

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