Navigation Links
Study links water pollution with declining male fertility
Date:1/18/2009

New research strengthens the link between water pollution and rising male fertility problems. The study, by Brunel University, the Universities of Exeter and Reading and the Centre for Ecology & Hydrology, shows for the first time how a group of testosterone-blocking chemicals is finding its way into UK rivers, affecting wildlife and potentially humans. The research was supported by the Natural Environment Research Council and is now published in the journal Environmental Health Perspectives.

The study identified a new group of chemicals that act as anti-androgens. This means that they inhibit the function of the male hormone, testosterone, reducing male fertility. Some of these are contained in medicines, including cancer treatments, pharmaceutical treatments, and pesticides used in agriculture. The research suggests that when they get into the water system, these chemicals may play a pivotal role in causing feminising effects in male fish.

Earlier research by Brunel University and the University of Exeter has shown how female sex hormones (estrogens), and chemicals that mimic estrogens, are leading to feminisation of male fish. Found in some industrial chemicals and the contraceptive pill, they enter rivers via sewage treatment works. This causes reproductive problems by reducing fish breeding capability and in some cases can lead to male fish changing sex.

Other studies have also suggested that there may be a link between this phenomenon and the increase in human male fertility problems caused by testicular dysgenesis syndrome. Until now, this link lacked credence because the list of suspects causing effects in fish was limited to estrogenic chemicals whilst testicular dysgenesis is known to be caused by exposure to a range of anti-androgens.

Lead author on the research paper, Dr Susan Jobling at Brunel Universitys Institute for the Environment, said: We have been working intensively in this field for over ten
'/>"/>

Contact: Sarah Hoyle
s.hoyle@exeter.ac.uk
44-013-922-62062
University of Exeter
Source:Eurekalert

Page: 1 2 3

Related biology news :

1. Childhood obesity indicates greater risk of school absenteeism, Penn study reveals
2. A study by the MUHC and McGill University opens a new door to understanding cancer
3. Study begins to reveal clues to the cause and progression of sepsis
4. Clones on task serve greater good, evolutionary study shows
5. New study warns limited carbon market puts 20 percent of tropical forest at risk
6. New study examines how rearing environment can alter navigation
7. Study links cat disease to flame retardants in furniture and to pet food
8. New continent and species discovered in Atlantic study
9. Study shows link between alcohol consumption and hiv disease progression
10. Feeling hot, hot, hot: New study suggests ways to control fever-induced seizures
11. Study finds environmental tests help predict hospital-acquired Legionnaires disease risk
Post Your Comments:
*Name:
*Comment:
*Email:
(Date:7/2/2015)... Sweden , July 2, 2015 ... sensors FPC1025, FPC1035, FPC1145 and FPC1155 from the distributor World ... one of FPC,s distributors in Asia . ... 2015. The sensors will be used by smartphone manufacturers in ... MSEK is included in the communicated revenue guidance of approximately ...
(Date:6/30/2015)... Pa. , June 30, 2015 ... the company as CEO to help further develop Genisphere,s ... wealth of partnering experience, having spent much of the ... including Therakine, Amgen, Baxter Bioscience, and Johnson & Johnson. ... focus on Technology and Biotech Corporate Finance. He graduated ...
(Date:6/26/2015)... -- ATL Technology, LLC, a top provider of electromechanical contract ... solutions, headquartered in Springville, Utah , has ... corporation with locations in Santa Clara, ... ). This acquisition will incorporate MedConx,s manufacturing ... Technology,s existing facility in Costa Rica , ...
Breaking Biology News(10 mins):FPC Receives Order for Touch Fingerprint Sensors of 268 MSEK 2Genisphere Appoints New CEO, Thomas Bliss 2Genisphere Appoints New CEO, Thomas Bliss 3ATL Technology Announces Acquisition of MedConx, Inc. and Expanded Global Footprint 2
... smallest species of snake, with adults averaging just under four ... of Barbados. The species -- which is as thin ... on a U.S. quarter --was discovered by Blair Hedges, an ... also are the discoverers of the world,s smallest frog and ...
... history of science and technology, there is an ... developments converge that make it possible to recognize ... biomechanics and astrobiology with more recent developments of ... now well established in the lexicon of modern ...
... neuroradiologists and neurologists of the University hospitals of Heidelberg ... damage, most of which had remained unrecognized up to ... Gadofluorine M, in magnetic resonance imaging. The scientists have ... renowned medical journal Brain . In ...
Cached Biology News:World's smallest snake found in Barbados 2World's smallest snake found in Barbados 3The emerging scientific discipline of aeroecology 2Multiple Sclerosis: new MRI contrast medium enables early diagnosis in animal model 2
(Date:8/3/2015)... (PRWEB) , ... August 03, 2015 , ... ... of benzene. Benzene is processed to get such derivatives as ethylbenzene, a precursor ... are principally used within the automotive industry for the production of tyres and ...
(Date:8/3/2015)... , ... August 03, 2015 , ... Nine field days ... Illinois and Indiana. Hosted by the Soil Health Partnership , the field days ... environmental benefits while potentially increasing farm productivity and income. , Brent Bible has practiced ...
(Date:8/3/2015)... E-QURE Corp. (OTCQB: EQUR), a ... Signal Therapy device ("BST Device"), a new and novel ... chronic wounds, today announced that the Company has signed ... specializing in medical devices, for the marketing and distribution ... 70 years old, sales, marketing and distribution company in ...
(Date:8/3/2015)... 3, 2015 According to a ... Cell Culture: Asia to Witness ... the global 3D cell culture market was valued at US$ 586.1 ... a CAGR of 29.1% to account for US$ 2,717.6 ... TOC:  http://www.persistencemarketresearch.com/market-research/3d-cell-cultures-market.asp 3D cell culture refers ...
Breaking Biology Technology:World Benzene Market to Surpass 46 MMT by 2020, According to TechSci Research Report Published at MarketPublishers.com 2World Benzene Market to Surpass 46 MMT by 2020, According to TechSci Research Report Published at MarketPublishers.com 3Soil Health Field Days Kick Off Throughout Midwest 2Soil Health Field Days Kick Off Throughout Midwest 3E-QURE Corp Signs Second Distribution Agreement in Israel 2E-QURE Corp Signs Second Distribution Agreement in Israel 3Global 3D Cell Culture Market Will Reach US$ 2,717.6 Million by 2020: Persistence Market Research 2Global 3D Cell Culture Market Will Reach US$ 2,717.6 Million by 2020: Persistence Market Research 3Global 3D Cell Culture Market Will Reach US$ 2,717.6 Million by 2020: Persistence Market Research 4
... today are WWWno further explanation is required , ,There are ... alphabet, W, as in WWI or WWII, and ... the WWF and WWF. The match between the World Wildlife ... losing to cuddly pandas, and the wrestlers became the WWE, ...
... manufacturing company: time or money? , ,At the University ... down the time it takes to get products developed and ... and end up with more you guessed it ... Rath, associate director of the center, said at a seminar ...
... more. MADISON, Wis. My UW Madison the ... faculty for online organizational and scheduling tasksis migrating to ... project, Arizona-based Unicon, was also announced. , ,The migration, ... complete by August 2005. According to Brian Rust, spokesman ...
Cached Biology Technology:The global power of WWW 2The global power of WWW 3University center offers speed boost to manufacturers 2"My UW Madison" portal migrating to uPortal 2
... are custom designed to meet your needs. ... 8,455 features per array (2 arrays/1" x ... array (1 array/slide). Features ... - This extended length delivers higher sensitivity ...
... for pathway studies, protein-protein interaction studies, ... built on the flexible and powerful ... microarrays are available as part of ... Custom Probe Content ...
... human adult normal Mega Western Protein Array ... The Mega Western Protein Arrays are manufactured ... documented tissue sources. A protein sample from ... along with a Protein molecular weight marker ...
... ProXPRESS 2D Multi-User Applications Package ... Wide Dynamic Range: The ProXPRESS 2D Proteomic ... system for both proteomic and general life ... flexibility, enabling the use of all dyes ...
Biology Products: