Archives of toxicology, 67(4), 290-293 (1993-01-01)
1-Methyl-tetrahydro-beta-carboline-3-carboxylic acid (MTCA) may cause eosinophilia-myalgia syndrome (EMS) associated with ingestion of L-tryptophan. The distribution and excretion of MTCA were studied in rats which had received perorally a single 1.6 mg/kg dose of MTCA. MTCA concentrations in blood, kidney, liver
Biochemistry and molecular biology international, 37(5), 925-933 (1995-11-01)
Eosinophilia-myalgia syndrome (EMS), a recently described inflammatory disorder characterized by myalgia, peripheral eosinophilia, and multisystem inflammation is associated with L-tryptophan consumption. Fibrosis of various tissues due to excessive accumulation of type I collagen is a prominent late manifestation of the
Formation and determination of aldehyde-addition products of tryptophan.
K Meyer et al.
Advances in experimental medicine and biology, 398, 711-717 (1996-01-01)
A fluorescent beta-carboline, 1-methyl-1,2,3,4-tetrahydro-beta-carboline-3- carboxylic acid (MTCA) was identified in human normal lenses and cataractous lenses. The mean total amounts of MTCA in normal lenses (n = 7), diabetic cataractous lenses (n = 15), and senile cataractous lenses (n =
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