There are numerous theories behind what causes signs and physical effects of aging.  By narrowing down the causes, researchers are better able to develop methods and procedures for preventing and treating aging symptoms.  One such theory is the Glycation Theory of Aging.  This theory focuses primarily on genetic influences in the aging process and specifically the role DNA plays in premature aging.

The basis of the Glycation Theory of Aging is that our DNA and certain proteins cross-link to each other over time.  There are several ways by which these proteins cross-link, but the one this theory focuses on is glycation, also known as glycosylation.  During glycation, glucose molecules stick to proteins and create a molecule called advanced glycosylation endproduct (AGE).  When the AGEs stick to other proteins, they can cause abnormal cross-links between the proteins.  These abnormal cross-links reduce elasticity in the proteins.

The main problem cross-linked proteins cause in relation to aging is a breakdown in tissues that weaken structures within our body.  This process can affect everything from brain tissue to skin elasticity.  It has also been linked to protein clumps in Alzheimer’s patients.

Some research is available regarding the treatment and prevention of glycation and other cross-linking.  As of yet, studies in this field have zoned in primarily on the naturally occurring molecule carnosine, which has demonstrated the ability to slow the development of common aging-related problems.

Although the Glycation Theory of Aging has been widely accepted as one of the major contributors to the aging process since the 1980s, conclusive clinical research on remedies for the cross-linking of proteins is still in the infant stage.  Hopefully further research will reveal ways of delaying the aging process.

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