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Thiamine, The Paradigm Shift in Diabetes

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Thiamine prevents Diabetic Complications

Biochemistry of Thiamine and Glucose Utilization

A 2008 report by Dr Beltarno from Turin, Italy, published in Acta Diabetol, explains the effects of thiamine on intracellular glucose metabolism, and prevention of diabetic complications. (4)  Dr. Beltarno explains that thiamine (vitamin B1) is an essential cofactor in most organisms required for intracellular glucose metabolism. Dr Beltarno writes:

"Diabetes might be considered a thiamine-deficient state"
 
Some Boring Biochemistry - For Health-Care Professionals
If you are not a technical person, you might want to skip this section.

What is Thiamine ?

Chemical structure of Thiamine Triphosphate (TPP)
Chemical structure of Thiamine Triphosphate (TPP) by Wikimedia Commons

Thiamine acts as a coenzyme for the transketolase enzyme (TK), which shifts excess fructose-6-phosphate and glycerhaldeyde-3-phosphate from glycolysis into the pentose-phosphate shunt, thus eliminating these potentially damaging metabolites from the cell. An excellent description of this pathway can be found here.

Thiamine is a cofactor for two important enzymes, the pyruvate-dehydrogenase complex (PDC) and alpha-ketoglutarate dehydrogenase (AKGD) enzymes, which are fundamental for intracellular glucose metabolism.(4)

The first enzyme, the PDC, converts pyruvate to acetyl CoA which can then be utilized by the Citric Acid Cycle (Krebs Cycle) to make energy in an oxidative reaction that burns carbon to carbon dioxide (CO2).  By the way, Co-Enzyme-A is also a co-factor for the PDC enzyme.

here.  For those who forgot their medical school biochemistry, an excellent description of Citric Acid cycle can be found here.  Another good explanation of the Citric Acid Cycle here.
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Thiamine Reverses Renal Complications of Diabetes (5)

"Thiamine supplementation may prevent and reverse early-stage diabetic nephropathy."

Thiamine supplementation prevented the development of early-stage nephropathy in diabetic rats and reversed increased urinary albumin excretion in patients with type 2 diabetes and microalbuminuria in two recent clinical trials.(5)

A 2009 Double-Blind Clinical Trial of High-Dose Thiamine

In a 2009 study published in Diabetologia by Dr Rabbani from Warwick Medical Center, 300 mg thiamine per day in diabetic patients produced regression of micro-albuminuria (early diabetic renal disease). This was a pilot study of 40 patients with type 2 diabetes over 12 weeks(6).  A later study from the Netherlands using Benfotiamine, a lipid-soluble form of thiamine, did not find any improvement in proteinuria in spite of higher blood thiamine levels.(6A)  Whole-blood thiamine levels in 40 patients increased from 126 (baseline) to 300 nmol/L after 12 weeks of Benfotiamine.(6A)
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Review Articles on Thiamine Preventing Diabetic Complications

An excellent review article by Dr Page was published in the 2011 issue of the International Journal of Clinical Practice, entitled "Thiamine deficiency in diabetes mellitus and the impact of thiamine replacement on glucose metabolism and vascular disease".(10)
Dr Page clearly links thiamine deficiency with the progressive atherosclerosis disease commonly found in diabetic patients with "metabolic syndrome".  Dr Page writes:

"Individuals with diabetes are thiamine deficient. The pathophysiology of recognised complications of thiamine deficiency is similar to that underlying atherosclerosis and the metabolic syndrome, namely oxidative stress, inflammation and endothelial dysfunction...

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http://jeffreydachmd.com
Jeffrey Dach MD is a physician and author of two books, Natural Medicine 101, and Bioidentical Hormones 101, both available on Amazon, or as a free e-book on his web sites. Dr. Dach is founder and chief medical officer of TrueMedMD, a clinic in (more...)
 

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