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LIBRIS Formathandbok  (Information om MARC21)
FältnamnIndikatorerMetadata
00004578naa a2200457 4500
001oai:DiVA.org:oru-51070
003SwePub
008160628s2016 | |||||||||||000 ||eng|
024a https://urn.kb.se/resolve?urn=urn:nbn:se:oru:diva-510702 URI
024a https://doi.org/10.1016/j.envint.2016.06.0202 DOI
040 a (SwePub)oru
041 a engb eng
042 9 SwePub
072 7a ref2 swepub-contenttype
072 7a art2 swepub-publicationtype
100a Pan, Yitaou Key Laboratory of Animal Ecology and Conservation Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing, PR China4 aut
2451 0a Associations of urinary 5-methyl-2'-deoxycytidine and 5-hydroxymethyl-2'-deoxycytidine with phthalate exposure and semen quality in 562 Chinese adult men
264 1a Oxford, United Kingdom :b Elsevier,c 2016
338 a print2 rdacarrier
500 a Funding Agencies:National Basic Research Program of China (973) 2013CB945204Chinese Academy Of Sciences XDB14040202National Natural Science Foundation of China 21477127
520 a 5-methyl-2'-deoxycytidine (5mdC) and 5-hydroxymethyl-2'-deoxycytidine (5hmdC), products of DNA methylation and hydroxymethylation processes, have been detected previously in human urine, but their associations with environmental chemicals or healthy outcomes are unclear. The present investigation explored the associations between urinary 5mdC and 5hmdC with phthalate exposure and semen quality. We assessed semen parameters including sperm concentration, motility, and morphology, before measuring urinary 5mdC, 5hmdC and 13 phthalate metabolites among 562 subfertile men from Nanjing, China. Urinary 5mdC and 5hmdC were positively associated with the levels of low molecular weight phthalate metabolites (Low-MWP), high molecular weight phthalate metabolites (High-MWP), and the sum of all phthalate metabolites (ΣPAEs), respectively. Urinary 5mdC was associated with below-reference sperm concentration (odds ratios for increasing quartiles=1.0, 2.2, 3.0, 2.0; p for trend =0.02), sperm motility (1.0, 1.1, 1.9, 1.3; p for trend =0.05), and sperm morphology (1.0, 1.4, 2.3, 1.5; p for trend =0.05). Sperm concentration was associated with the highest quartile of urinary 5hmdC [odds ratio=1.9 (95% CI: 1.1, 3.6)]. Our findings showed significant associations between urinary 5mdC and 5hmdC with phthalate metabolites and semen parameters, which suggested urinary 5mdC and 5hmdC may be promising biomarkers in future epidemiological studies.
650 7a NATURVETENSKAPx Kemix Analytisk kemi0 (SwePub)104012 hsv//swe
650 7a NATURAL SCIENCESx Chemical Sciencesx Analytical Chemistry0 (SwePub)104012 hsv//eng
650 7a NATURVETENSKAPx Geovetenskap och miljövetenskapx Miljövetenskap0 (SwePub)105022 hsv//swe
650 7a NATURAL SCIENCESx Earth and Related Environmental Sciencesx Environmental Sciences0 (SwePub)105022 hsv//eng
653 a DNA methylation
653 a hydroxymethylation
653 a 5mdC
653 a 5hmdC
653 a phthalate metabolites
653 a semen quality
700a Jing, Junu Reproductive Medical Center, Nanjing Jinling Hospital, Nanjing University School of Medicine, Nanjing, PR China4 aut
700a Yeung, Leo W. Y.,d 1981-u Örebro universitet,Institutionen för naturvetenskap och teknik,Man-Technology-Environment Research Centre (MTM)4 aut0 (Swepub:oru)lyg
700a Sheng, Nanu Key Laboratory of Animal Ecology and Conservation Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing, PR China4 aut
700a Zhang, Hongxiau Key Laboratory of Animal Ecology and Conservation Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing, PR China4 aut
700a Yao, Bingu Reproductive Medical Center, Nanjing Jinling Hospital, Nanjing University School of Medicine, Nanjing, Jiangsu, PR China4 aut
700a Dai, Jiayinu Key Laboratory of Animal Ecology and Conservation Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing, PR China4 aut
710a Key Laboratory of Animal Ecology and Conservation Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing, PR Chinab Reproductive Medical Center, Nanjing Jinling Hospital, Nanjing University School of Medicine, Nanjing, PR China4 org
773t Environment Internationald Oxford, United Kingdom : Elsevierg 94, s. 583-590q 94<583-590x 0160-4120x 1873-6750
8564 8u https://urn.kb.se/resolve?urn=urn:nbn:se:oru:diva-51070
8564 8u https://doi.org/10.1016/j.envint.2016.06.020

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