Determination of copper, manganese and zinc in human liver. 1998

R G Treble, and T S Thompson, and H R Lynch
Saskatchewan Health, Provincial Laboratory, Environmental Toxicology Section, Regina, Canada.

Autopsied liver tissue samples collected from 42 males and 31 females were analyzed for copper, manganese and zinc using atomic absorption spectrometry (AAS). With the exception of two liver samples for which the copper levels were determined to be 74.8 and 104.0 micrograms/g (dry weight), hepatic copper concentrations were found to range from 1.7 to 32.4 micrograms/g with a mean concentration of 14.2 micrograms/g and standard deviation of 7.0 micrograms/g. Manganese concentrations (with the exception of one sample having 12.9 micrograms/g) ranged from 0.22 to 4.6 micrograms/g with a mean of 2.26 +/- 1.00 micrograms/g. Hepatic zinc levels averaged 118.3 +/- 44.4 micrograms/g and ranged from 38.5 to 231.3 micrograms/g. There were no apparent trends for the levels of any metals versus age nor were there any differences in average hepatic metal concentrations for males and females.

UI MeSH Term Description Entries
D007223 Infant A child between 1 and 23 months of age. Infants
D008099 Liver A large lobed glandular organ in the abdomen of vertebrates that is responsible for detoxification, metabolism, synthesis and storage of various substances. Livers
D008297 Male Males
D008345 Manganese A trace element with atomic symbol Mn, atomic number 25, and atomic weight 54.94. It is concentrated in cell mitochondria, mostly in the pituitary gland, liver, pancreas, kidney, and bone, influences the synthesis of mucopolysaccharides, stimulates hepatic synthesis of cholesterol and fatty acids, and is a cofactor in many enzymes, including arginase and alkaline phosphatase in the liver. (From AMA Drug Evaluations Annual 1992, p2035)
D008875 Middle Aged An adult aged 45 - 64 years. Middle Age
D003300 Copper A heavy metal trace element with the atomic symbol Cu, atomic number 29, and atomic weight 63.55. Copper-63,Copper 63
D005260 Female Females
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000293 Adolescent A person 13 to 18 years of age. Adolescence,Youth,Adolescents,Adolescents, Female,Adolescents, Male,Teenagers,Teens,Adolescent, Female,Adolescent, Male,Female Adolescent,Female Adolescents,Male Adolescent,Male Adolescents,Teen,Teenager,Youths
D000328 Adult A person having attained full growth or maturity. Adults are of 19 through 44 years of age. For a person between 19 and 24 years of age, YOUNG ADULT is available. Adults

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