title: Comparison of metal concentrations in bones of long-living mammals.
abstract: The aim of this study was to compare zinc, copper, lead, cadmium, and mercury concentrations in the bones of long-living mammals-humans (Homo sapiens) and Canidae (dogs Canis familiaris and foxes Vulpes vulpes) from northwestern Poland and to determine the usefulness of Canidae as bioindicators of environmental exposure to metals in humans. Zinc concentrations in cartilage with adjacent compact bone and in spongy bone were highest in foxes (∼120 mg/kg dry weight (dw)) and lowest in dogs (80 mg/kg dw). Copper concentrations in cartilage with adjacent compact bone were greatest in foxes (1.17 mg/kg dw) and smallest in humans (∼0.8 mg/kg dw), while in spongy bone they were greatest in dogs (0.76 mg/kg dw) and lowest in foxes (0.45 mg/kg dw). Lead concentrations in both analyzed materials were highest in dogs (>3 mg/kg dw) and lowest in humans (>0.6 mg/kg dw). Cadmium concentration, also in both the analyzed materials, were highest in foxes (>0.15 mg/kg dw) and lowest in humans (>0.04 mg/kg dw). Mercury concentration in bones was low and did not exceed 0.004 mg/kg dw in all the examined species. The concentrations of essential metals in the bones of the examined long-living mammals were similar. The different concentrations of toxic metals were due to environmental factors. As bone tissues are used in the assessment of the long-term effects of environmental exposure to heavy metals on the human body, ecotoxicological studies on the bones of domesticated and wild long-living mammals, including Canidae, may constitute a significant supplement to this research.
authors: Department of Biology and Medical Parasitology, Pomeranian Medical University, Powstancow Wielkopolskich 72, 70-111 Szczecin, Poland.
authors: Natalia
authors: N
authors: Lanocha
authors: Elzbieta
authors: E
authors: Kalisinska
authors: Danuta I
authors: DI
authors: Kosik-Bogacka
authors: Halina
authors: H
authors: Budis
authors: Sebastian
authors: S
authors: Sokolowski
authors: Andrzej
authors: A
authors: Bohatyrewicz
mesh_terms: D000328:Adult; D000368:Aged; D000369:Aged, 80 and over; D000818:Animals; D001842:Bone and Bones / Q000378:metabolism*; D002104:Cadmium / Q000378:metabolism; D003300:Copper / Q000378:metabolism; D004285:Dogs; D005260:Female; D005589:Foxes; D006801:Humans; D007854:Lead / Q000378:metabolism; D008297:Male; D008628:Mercury / Q000378:metabolism; D008875:Middle Aged; D014131:Trace Elements / Q000378:metabolism*; D015032:Zinc / Q000378:metabolism
chemical_list: D014131:Trace Elements; D002104:Cadmium; D007854:Lead; D003300:Copper; D008628:Mercury; D015032:Zinc
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