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7 recordsLinked to original sources
PubMed1998

Equal responsibility.

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Acquired Immunodeficiency Syndrome↗
PubMed1988

A longitudinal study of urinary creatinine and creatinine clearance in normal subjects. Race, sex, and age differences.

The purpose of this study was to examine the variability of 24-hour urinary and serum creatinine levels and creatinine clearance in normal subjects and to develop nomograms for assessing the adequacy of 24-hour urine collections. The data were from a longitudinal research program examining biochemical, hormonal, and hemodynamic parameters in normal subjects. Bloods and 24-hour urine specimens were collected at yearly intervals from 144 people over 9 years, and from an additional 110 over 4 years. The subjects were originally distributed equally by sex, race (black, white), blood pressure (three groups within the normal range), and age (three groups). Men had 33% higher urine creatinines per weight than females (P less than 0.001). Because they only had 8% higher creatinine clearance per weight they also exhibited 21% higher serum creatinine. Blacks had 5% higher urine creatinine per weight than whites, perhaps reflecting greater muscle mass, but their serum creatinines were not different from those of whites, reflecting a 5% higher creatinine clearance by weight than whites (P less than 0.01). Interestingly, older black men (age greater than 60 years) had 12% lower urine creatinine/weight than younger black men (P less than 0.001). They also had 13% lower creatinine clearance by weight, resulting in no net difference in serum creatinine. The intraindividual variability in urine creatinine excretion averaged 15% and did not differ between blacks and whites and men and women. The within individual variability in serum creatinine and creatinine clearance averaged 14 and 20%, respectively.(ABSTRACT TRUNCATED AT 250 WORDS)

Adolescent↗
PubMed2002

Influence of ADH1B polymorphism on alcohol use and its subjective effects in a Jewish population.

Class I alcohol dehydrogenases (ADHs) are the principal enzymes responsible for ethanol metabolism in humans. Genetic polymorphism at the ADH1B locus (old nomenclature ADH2) results in isozymes with quite different catalytic properties. The frequency of the ADH1B*2 allele varies among ethnic groups. ADH1B*2 is most often observed in Asian populations, and has been shown to be protective against alcoholism. The Jewish population has a higher frequency of the ADH1B*2 allele and lower rates of alcohol-related problems as compared to other Caucasian populations. Thus, it would be of interest to determine whether the ADH1B*2 allele is associated with alcohol consumption and its subjective effects in this group. Four groups of Jewish subjects (male and female college-age samples, and male and female general samples) were recruited from the same region of the United States. All subjects completed a questionnaire to delineate alcohol consumption and its subjective consequences. Genotype at the ADH1B locus was determined for each participant. ADH1B*2 allele frequencies were similar for the Jewish college-age and general population samples. Men in both the college-age and general population in the ADH1B*2 group reported more unpleasant reactions following alcohol consumption than men in the ADH1B*1 group. Men in the general population in the ADH1B*2 group drank alcohol less frequently than men who were homozygous ADH1B*1; there was a similar trend among the women. The ADH1B polymorphism is associated with unpleasant reactions after alcohol consumption, and frequency of alcohol consumption in these Jewish samples.

Adolescent↗