منابع مشابه
High urinary dopa and low urinary dopamine-to-dopa ratio in salt-sensitive hypertension.
Dopamine in urine is derived substantially from renal uptake and decarboxylation of 3,4-dihydroxyphenylalanine (dopa), and increases in excretion of dopa normally parallel increases in excretion of dopamine during salt loading. Since patients with salt-sensitive hypertension may have decreased urinary excretion of dopamine during dietary salt loading, the present study was designed to evaluate ...
متن کاملUrinary Organic Metabolites
Studies of gas chromatography/mass spectrometry (GC-MS) techniques carried out in 1994 on human clinical samples had already suggested a “potential for diagnosis and studies of metabolism in situ” . Researchers found that, when this technique is applied to blood or urine, it gives an insight into the infected host microbial metabolism . A more recent study (2002) on urinary organic metabolites,...
متن کاملDopa, catecholamines and their metabolites in essential hypertension.
1. Urinary excretion of dopa, catecholamines and their metabolites (vanillylmandelic acid, methoxycatecholamines, 3-methoxy-4-hydroxyphenylglycol and homovanillic acid) were studied in eighty patients with essential hypertension and in twenty-five healthy control subjects. 2. Increased urinary excretion of catecholamines, dopa and catecholamine metabolites was found in a proportion of cases. 3....
متن کاملUrinary metabolites of radioactive histamine.
This laboratory has previously shown that, when animals are injected with microgram amounts of high specific activity C4-histamine, at least three radioactive metabolic products can be demonstrated in the urine. Paper chromatograms of the urine in butanol80, ethanol 10, and ammonia 30 showed three radioactive peaks. The following information regarding their identity has been published. Peak 1 i...
متن کاملIdentification of urinary metabolites of isoprene in rats and comparison with mouse urinary metabolites.
Isoprene, a major commodity chemical used in production of polyisoprene elastomers, has been shown to be carcinogenic in rodents. Similar to findings for the structurally related compound butadiene, mice are more susceptible than rats to isoprene-induced toxicity and carcinogenicity. Although differences in uptake, and disposition of isoprene in rats and mice have been described, its in vivo bi...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: BMJ
سال: 1984
ISSN: 0959-8138,1468-5833
DOI: 10.1136/bmj.288.6430.1615-c