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Qatar researchers find new diabetes test method

Doha, January 26, 2014

A discovery by researchers at Weill Cornell medical College Qatar (WCMC-Q) and Hamad Medical Corporation (HMC) could lead to a quick, non-invasive screening test for diabetes.

Currently doctors test for diabetes using either blood or urine analyses. Now researchers at WCMC-Q and HMC have discovered a way of testing for diabetes using a swab of an individual’s saliva. The discovery means that samples could easily be taken in schools or sports associations, or even during regular visits to the dentist, making the implementation of diabetes screening programs – and thus early intervention - much more viable, a statement said.

Dr Karsten Suhre, professor of physiology and biophysics at WCMC-Q, said it is vitally important to diagnose patients who have diabetes as early as possible to allow them to access treatment, and the saliva test is one way of expediting that.

He said: “Diabetes is a really vicious disease as initially when you get it you don’t feel any different; you can live for years without knowing about it but if you don’t adapt your lifestyle you’re slowly but continuously destroying your body. It’s like running an engine using the wrong kind of oil.”

The researchers have discovered that people with diabetes have a reduced amount of 1.5-anhydroglucitol (1.5-AG) in their saliva. This is a substance similar to sugar. Scientists have long known that 1.5-AG can be used as a biomarker for diabetes in blood but the discovery by  WCMC-Q and HMC that it can be tested for via a simple swab of the mouth greatly increases its potential importance as a quick, non-invasive test for diabetes, the statement said.

Dr Mohamed Mohy El Din Selim, senior consultant in the dermatology clinic at HMC, collaborated with WCMC-Q on the study.

He said: “To make this study happen we needed saliva, blood and urine samples from patients with diabetes, but also from people without diabetes. Many patients with diabetes also have skin problems and visit the Dermatology Clinic at HMC. Therefore, we could find both healthy and diabetic volunteers for our study in one place. This is essential for the data analysis since we needed to rule out potential influences that may be due to differences in sample collection.”

The study was conducted by researchers in Qatar and involved 369 people, approximately half of whom were Arabic, and half Asian. It is the first time that a new research technique called metabolomics has been used in a diabetes study of this size on saliva, plasma, and urine samples in parallel. The study is being published in the Journal of Clinical Endocrinology & Metabolism.  – TradeArabia News Service
 




Tags: Qatar | Diabetes | research |

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