Link between Blood Sugar & Brain Cancer Found


According to a new study from The Ohio State University, while many cancers are more common among those with diabetes, cancerous brain tumours called gliomas are less common among those with elevated blood sugar and diabetes.

Glioma is one of the most common types of cancerous tumours originating in the brain. It begins in the cells that surround nerve cells and help them function.

The discovery builds on previous Ohio State research showing that high blood sugar appears to reduce a person’s risk of a noncancerous brain tumour called meningioma. Both studies were led by Judith Schwartzbaum, an associate professor of epidemiology and a researcher in Ohio State’s Comprehensive Cancer Center. The new glioma study appears in the journal Scientific Reports.

Diabetes and elevated blood sugar increase the risk of cancer at several sites including the colon, breast and bladder. But in this case, these rare malignant brain tumours are more common among people who have normal levels of blood glucose than those with high blood sugar or diabetes,” Schwartzbaum said.

Our research raises questions that, when answered, will lead to a better understanding of the mechanisms involved in glioma development,” she added.

The Scientific Reports paper included data from two large long-term studies. One, called AMORIS, included 528,580 Swedes. The second, Me-Can, consisted of 269,365 Austrians and Swedes. In all, 812 participants developed gliomas.

Schwartzbaum and her collaborators evaluated blood sugar and diabetes data and its relationship to subsequent development of brain cancer and found that those with elevated blood sugar and diabetes had a lower risk of developing glioma.

“This really prompts the question, “Why is the association between blood glucose levels and brain cancer the opposite of that for several other cancerous tumours?” she said.

The researchers found that this relationship was strongest within a year of cancer diagnosis.

This may suggest that the tumour itself affects blood glucose levels or that elevated blood sugar or diabetes may paradoxically be associated with a protective factor that reduces brain tumour risk,” Schwartzbaum said.

For example, insulin-like growth factor is associated with glioma recurrence and is found in lower levels in people with diabetes than those who don’t have the disease.”

According to Schwartzbaum, the brain accounts for only about 2% of body weight, but consumes about 20% of the body’s available glucose.

Research on restrictive diets and their effect on brain cancer development has shown mixed results so far. More work is needed to determine if there’s something about the sugar/tumour relationship that can be modified in a way that’s beneficial to brain cancer patients.

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About LFCT

This is a blog about CHILDHOOD CANCER and CHILDHOOD CANCER AWARENESS Little Fighters Cancer Trust is a non-profit organisation that offers support and aid to Children with Cancer and their families. When a child is diagnosed with cancer it affects the whole family. One of the parents, usually the mother, must give up their job to care for the child and this creates financial problems for the family. In South Africa especially the majority of these families are not well-to-do; many of them are rural. A diagnosis of cancer can wipe out any family’s finances, let alone a poor family. The costs of special medications, special diets, hospital stays, transport to and from the hospital or clinic and accommodation and food costs for the mother who spends most of the time at her child’s bedside are astronomical. These are the people and problems that fall through the cracks, and these are the people that Little Fighters Cancer Trust has pledged to help in any way possible. LFCT takes a holistic approach to assisting the Children with Cancer and their Families, with the main aim to be the preservation of individual dignity and pride. Little Fighters Cancer Trust also focuses on promotion and advocacy of National Childhood Cancer Awareness in an effort to increase awareness of Early Warning Signs of Childhood Cancer. This would result in earlier diagnosis, giving the Child with Cancer more of a chance at Treatment and Survival. See "About" for more Background info

Posted on 10 May, 2017, in Blog, Research and tagged , , , , , , , , , , . Bookmark the permalink. Leave a comment.

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