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Thiamine deficiency is a medical condition of low levels of thiamine (vitamin B 1). [1] A severe and chronic form is known as beriberi. [1] [7] The name beriberi was possibly borrowed in the 18th century from the Sinhalese phrase බැරි බැරි (bæri bæri, “I cannot, I cannot”), owing to the weakness caused by the condition.
Korsakoff syndrome (KS) [1] is a disorder of the central nervous system characterized by amnesia, deficits in explicit memory, and confabulation.This neurological disorder is caused by a deficiency of thiamine (vitamin B 1) in the brain, and it is typically associated with and exacerbated by the prolonged, excessive ingestion of alcohol. [2]
In some regions, physicians have observed thiamine deficiency brought about by severe malnutrition, particularly in diets consisting mainly of polished rice, which is thiamine-deficient. The resulting nervous system ailment is called beriberi. In individuals with sub-clinical thiamine deficiency, a large dose of glucose (either as sweet food or ...
Vitamin B1 deficiency (thiamine deficiency) was reported to cause seizures, especially in alcoholics. [5] [6] [7] Vitamin B6 depletion (pyridoxine deficiency) was reported to be associated with pyridoxine-dependent seizures. [8] Vitamin B12 deficiency was reported to be the cause of seizures for adults [9] [10] and for infants. [11] [12]
Thiamine (vitamin B 1) may be given if pyruvate dehydrogenase deficiency is known or suspected. The symptoms of lactic acidosis are treated by supplementing the diet with sodium bicarbonate (baking soda) or sodium citrate , but these substances do not treat the cause of Leigh syndrome.
Calcium and magnesium have been shown to affect the distribution of thiamine in the body and magnesium deficiency has been shown to aggravate thiamine deficiency. [22] Thiamine contents in human tissues are less than those of other species. [16] [64] The half-life of thiamine content stored in tissues of human body is about 9-18 days. [62]
[4] [5] Thiamine transporter 2 moves thiamine (vitamin B 1) into cells, which is essential for nervous system functioning. Mutations of the gene encoding this protein (SLC19A3) are likely to impair the functioning of this protein and inhibit the transportation and absorption of thiamine. [citation needed] The role of biotin in BTBGD is unclear. [4]
Polioencephalomalacia (PEM), also referred to as cerebrocortical necrosis (CCN), is a neurological disease seen in ruminants that is caused by multiple factors, one of which is thiamine depletion in the body. Thiamine (vitamin B1) is a key chemical in glucose metabolism that, when deficient, is most threatening to neurological activity. In ...