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Serum Levels of 2,2,4,4,5,5 -Hexachlorobiphenyl (CB-153) in Relation to Markers of Reproductive Function in Young Males from the General Swedish Population.

Richthoff, Jonas LU ; Rylander, Lars LU orcid ; Jönsson, Bo A LU ; Åkesson, Heléne LU ; Hagmar, Lars ; Nilsson-Ehle, Peter LU ; Stridsberg, Mats and Giwercman, Aleksander LU (2003) In Environmental Health Perspectives 111(4). p.409-413
Abstract
A time-related deterioration in male reproductive function caused by exposure to endocrine disrupters, including persistent organochlorines (POCs), has been hypothesized. In animal studies, POCs were found to have adverse effects on male reproductive function. However, little is known about the impact of POC exposure on reproductive parameters in men. In a study of 305 young Swedish men 18-21 years old from the general population, we correlated lipid-adjusted serum levels of 2,2´,4,4´,5,5´-hexachlorobiphenyl (CB-153)--an index substance for POC exposure--to markers of male reproductive function: testis size assessed by ultrasound, sperm concentration, total sperm count, sperm motility assessed manually and with a computer-aided sperm... (More)
A time-related deterioration in male reproductive function caused by exposure to endocrine disrupters, including persistent organochlorines (POCs), has been hypothesized. In animal studies, POCs were found to have adverse effects on male reproductive function. However, little is known about the impact of POC exposure on reproductive parameters in men. In a study of 305 young Swedish men 18-21 years old from the general population, we correlated lipid-adjusted serum levels of 2,2´,4,4´,5,5´-hexachlorobiphenyl (CB-153)--an index substance for POC exposure--to markers of male reproductive function: testis size assessed by ultrasound, sperm concentration, total sperm count, sperm motility assessed manually and with a computer-aided sperm analyzer (CASA), and serum levels of follicle-stimulating hormone, inhibin B, testosterone, sexual hormone-binding globulin (SHBG), luteinizing hormone, and estradiol. We found weak but statistically significant, negative correlations between CB-153 levels and both the testosterone:SHBG ratio (r = -0.25, p < 0.001)--a measure of the biologically active free testosterone fraction--and CASA sperm motility (r = -0.13, p = 0.02). No statistically significant association with other seminal, hormonal, or clinical markers of male reproductive function was found. In previous studies of more highly POC-exposed groups of adult men, the correlation between POC exposure, including CB-153, and free testosterone levels was not statistically significant. The present study gives some tentative support for weak negative effects of CB-153 exposure on sperm motility and free testosterone levels in young men, but further semen studies on more highly exposed groups may give more firm conclusions on the hazard for male reproductive function from dietary POC exposure. Key words: dioxin, male reproduction, PCB, reproductive hormones, semen quality, sperm concentration, sperm motility. (Less)
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author
; ; ; ; ; ; and
organization
publishing date
type
Contribution to journal
publication status
published
subject
in
Environmental Health Perspectives
volume
111
issue
4
pages
409 - 413
publisher
National Institute of Environmental Health Sciences
external identifiers
  • wos:000182144300023
  • pmid:12676591
  • scopus:0038076142
ISSN
1552-9924
DOI
10.1289/ehp.5767
language
English
LU publication?
yes
id
e891efd5-33fe-4969-a742-cbc794fb6d5d (old id 113569)
alternative location
http://www.ehponline.org/members/2003/5767/5767.html
http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=PubMed&list_uids=12676591&dopt=Abstract
date added to LUP
2016-04-01 15:39:15
date last changed
2022-02-05 02:21:50
@article{e891efd5-33fe-4969-a742-cbc794fb6d5d,
  abstract     = {{A time-related deterioration in male reproductive function caused by exposure to endocrine disrupters, including persistent organochlorines (POCs), has been hypothesized. In animal studies, POCs were found to have adverse effects on male reproductive function. However, little is known about the impact of POC exposure on reproductive parameters in men. In a study of 305 young Swedish men 18-21 years old from the general population, we correlated lipid-adjusted serum levels of 2,2´,4,4´,5,5´-hexachlorobiphenyl (CB-153)--an index substance for POC exposure--to markers of male reproductive function: testis size assessed by ultrasound, sperm concentration, total sperm count, sperm motility assessed manually and with a computer-aided sperm analyzer (CASA), and serum levels of follicle-stimulating hormone, inhibin B, testosterone, sexual hormone-binding globulin (SHBG), luteinizing hormone, and estradiol. We found weak but statistically significant, negative correlations between CB-153 levels and both the testosterone:SHBG ratio (r = -0.25, p &lt; 0.001)--a measure of the biologically active free testosterone fraction--and CASA sperm motility (r = -0.13, p = 0.02). No statistically significant association with other seminal, hormonal, or clinical markers of male reproductive function was found. In previous studies of more highly POC-exposed groups of adult men, the correlation between POC exposure, including CB-153, and free testosterone levels was not statistically significant. The present study gives some tentative support for weak negative effects of CB-153 exposure on sperm motility and free testosterone levels in young men, but further semen studies on more highly exposed groups may give more firm conclusions on the hazard for male reproductive function from dietary POC exposure. Key words: dioxin, male reproduction, PCB, reproductive hormones, semen quality, sperm concentration, sperm motility.}},
  author       = {{Richthoff, Jonas and Rylander, Lars and Jönsson, Bo A and Åkesson, Heléne and Hagmar, Lars and Nilsson-Ehle, Peter and Stridsberg, Mats and Giwercman, Aleksander}},
  issn         = {{1552-9924}},
  language     = {{eng}},
  number       = {{4}},
  pages        = {{409--413}},
  publisher    = {{National Institute of Environmental Health Sciences}},
  series       = {{Environmental Health Perspectives}},
  title        = {{Serum Levels of 2,2,4,4,5,5 -Hexachlorobiphenyl (CB-153) in Relation to Markers of Reproductive Function in Young Males from the General Swedish Population.}},
  url          = {{https://lup.lub.lu.se/search/files/4441850/623750.pdf}},
  doi          = {{10.1289/ehp.5767}},
  volume       = {{111}},
  year         = {{2003}},
}