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Vitamin B1 deficiency link to diabetes established
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Researchers have found that a deficiency in vitamin B1 could be connected to vascular problems in diabetic patients. Warwick Medical School researchers have discovered that deficiency of thiamine (vitamin B1) may be key to a range of vascular problems for people with diabetes. Furthermore, they have also solved the mystery as to why thiamine deficiency in diabetes had remained hidden until now. Diabetes is increasing in incidence in the UK and elsewhere. Some of the most significant health problems associated with the condition are vascular complications like microvascular problems, such as damage to the kidney, retina and nerves in arms and legs; and macrovascular complications, such as heart disease and stroke. The University of Warwick researchers, led by Professor Paul Thornalley, have shown conclusively that diabetic patients are thiamine deficient in blood plasma. They were also able to solve the mystery of what was happening to thiamine in diabetic patients and connect it more closely to vascular complications in diabetic patients. Published in the 4 August issue of Diabetologia, the paper detailed how thiamine concentration in blood plasma was decreased by 76 per cent in type 1 diabetic patients and by 75 per cent in type 2 diabetic patients. A hidden effect This significant decrease had previously been masked, as the conventional way of assessing levels of thiamine status was to measure the activity of an enzyme called transketolase in red blood cells. Past studies had seen normal activity of this enzyme and assumed normal levels of thiamine, when in fact the normal enzyme activity was due to increased amounts of two proteins THTR-1 and RFC-1 that help transport thiamine into red blood cells. Increased levels of these proteins were a direct response to there being a deficiency of thiamine in the body. The researchers found that the decreased availability of thiamine in vascular cells in diabetes was linked to a marker of microvascular and macrovascular complications.n
The researchers found that the decreased plasma thiamine concentration in clinical diabetes was not due to a deficiency ofthiamine in patients' diets. Rather it was due to a profoundly increased rate of removal of thiamine from the blood into the urine. The researchers feel that important areas for future study include confirmation of low plasma thiamine concentrations in diabetic populations of other countries independent of local diet; the evaluation of thiamine and thiamine derivatives to correct low plasma thiamine concentration in diabetes, reverse vascular dysfunction and prevent vascular complications; and investigation of the mechanism of increased removal of thiamine from the blood into the urine in diabetes.
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From www.scenta.co.uk:
Destroys vitamin B1 in their predators. For the salmon, the result is. Vitamin B1 May Hold the Key to Atlantic. Salmon Survival.
The central mechanism of action of Vitamin B1 appears to involve the activation of transketolase, an enzyme that is at the branching.
It was Christiaan Eijkman who first pointed out a substance in rice skin, which was later to be known as vitamin B1. For this, and for his new ways of.
A new research has discovered that the deficiency of thiamine, Vitamin B1, may be key to a range of vascular problems for diabetic.
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Since the 1940s, food items such as rice, white flour, pasta and cereals are often enriched with Vitamin B1. The practice of eating varied.
Hutchinson encyclopedia article about vitamin B1. vitamin B1. Information about vitamin B1 in the Hutchinson.
Also known as vitamin B1, thiamine plays an important role in helping the body metabolize carbohydrates and fat to produce.
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