Navigation Links
Vasectomy may put men at risk for type of dementia

D) because the surgery breeches the protective barrier between the blood and the testes, called the blood-testis barrier.

Certain organs ?including the testes and the brain ?exist in what is the equivalent of a gated community in the body. Tiny tubes within the testes (in which sperm are produced) are protected by a physical barrier of Sertoli cells. The tight connections between these cells prevent blood-borne infections and poisonous molecules from entering the semen.

After a vasectomy, however, the protective barrier is broken and semen mixes into the blood. The immune system recognizes the sperm as invading foreign agents and produces anti-sperm antibodies in 60 to 70 percent of men.

Weintraub said these antibodies might cross the blood-brain-barrier and cause damage resulting in dementia. "There are other neurological models of disease which you can use as a parallel," Weintraub said. Certain malignant tumors produce antibodies that reach the brain and cause an illness similar to encephalitis, she noted.

The next step in Weintraub's research will be to launch a national study to see if her results will be confirmed in a larger population.

"I don't want to scare anyone away from getting a vasectomy," Weintraub stressed. "It's obviously a major birth control alternative. This is just a correlational observation," she said of the dementia connection. "We need to do more research to find out."


'"/>

Source:Northwestern University


Page: 1 2 3

Related biology news :

1. Scavenger cells could be key to treating HIV-related dementia
2. Viral genetic differences are possible key to HIV dementia
3. Researchers find cause of frontotemporal dementia
4. Gene tests and brain imaging reveal early dementia
Post Your Comments:
*Name:
*Comment:
*Email:
TAG: Vasectomy may put men risk for type dementia

(Date:5/21/2013)... experts , Where? Copenhagen, Denmark: Bella ... June 2013 , Why? An ... and policy developments, manufacturing and installation, drawing on leading ... its 2013 edition from a record of more than ... than 240 plenary and oral presentations, more than 460 ...
(Date:5/21/2013)... ANDOVER, Mass. , May 21, 2013 ... that CX50 xMATRIX, the world,s first portable ultrasound with ... Intracardiac Echo (ICE) capability. The CX50 xMATRIX with available ... Paris at the EuroPCR, official ... (EAPCI), May 21-24. Since its launch in ...
(Date:5/20/2013)... Bacteria resistant to the antibiotic colistin are also ... human body, according to a study in ... American Society for Microbiology. Cross-resistance to colistin and ... the body against bacterial attack, could mean that ... saddled with a crippled immune response. Colistin is ...
Breaking Biology News(10 mins):21st European Biomass Conference and Exhibition 221st European Biomass Conference and Exhibition 321st European Biomass Conference and Exhibition 4Philips CX50 xMATRIX now offers world-class interventional and diagnostic features on single portable system 2Resistance to last-line antibiotic makes bacteria resistant to immune system 2Resistance to last-line antibiotic makes bacteria resistant to immune system 3
... to play a pivotal role in the inception of Darwin’s ... of their significance when he collected them during his voyage ... to predict the impact the vast amount of marine microbial ... by J. Craig Venter, Ph.D., and his team ?will have ...
... fixed nitrogen, the building block of life, after all. Instead, ... twice the amount of nitrogen fixing as the Atlantic, say ... title of an accompanying News and Views piece says it ... , It's important to have a global picture ...
... to many of the same health problems as tobacco smoke, ... according to a new study by researchers at Yale School ... illicit drug in the United States, and abuse of the ... today's Archives of Internal Medicine. First author Jeanette M. Tetrault, ...
Cached Biology News:Darwin's famous finches and Venter's marine microbes 2Darwin's famous finches and Venter's marine microbes 3Darwin's famous finches and Venter's marine microbes 4Darwin's famous finches and Venter's marine microbes 5New findings blow a decade of assumptions out of the water 2New findings blow a decade of assumptions out of the water 3Migration played key role in HIV spread in South Africa 2
(Date:5/22/2013)... 2013  Moderna Therapeutics, the pioneering company developing messenger ... the in vivo production of therapeutic proteins, ... will join Moderna in early July as its first ... proven leader in the design and implementation of information ... to translation, clinical operations and commercial preparedness. John has ...
(Date:5/21/2013)... -- The Lindsley F. Kimball Research Institute of the New York ... Challenges Explorations winner, an initiative funded by the ... Lustigman , Head of the Laboratory of Molecular Parasitology ... titled Innovative 3-D in vitro culturing system ... drugs to help eliminate onchocerciasis (river blindness) in ...
(Date:5/21/2013)... new study led by George Washington University Professor ... of ice in small droplets is strongly size-dependent, ... the nanoscale. The formation of ice at the ... whose answer also has important implications for climate ... of ice from supercooled water is generally initiated ...
(Date:5/21/2013)... Branchburg, NJ (PRWEB) May 21, 2013 ... enhancement industry, has appointed Dale Braddy to Southeastern USA ... proactively bolster its sales muscle in the Southeast. ... a food ingredient brokerage and supplier to food processors ... past 13 years in the food industry and has ...
Breaking Biology Technology:Industry Leader John Reynders Joins Moderna Therapeutics as Chief Information Officer 2Industry Leader John Reynders Joins Moderna Therapeutics as Chief Information Officer 3New York Blood Center's Research Institute Receives Grand Challenges Explorations Grant For Groundbreaking Research in Global Health and Development 2New York Blood Center's Research Institute Receives Grand Challenges Explorations Grant For Groundbreaking Research in Global Health and Development 3Study led by GW professor provides better understanding of water's freezing behavior at nanoscale 2
... Pharmaceutical Manufacturing and Biotechnology Middle East (PABME) 27-29 ... ... The Middle East,market for pharmaceutical manufacturing and biotechnology, already valued,at over US$ ... -- Dubai is the commercial, scientific and financial center of the ...
... Conference Call to be Held on September 6, 2007 ... / 5:00 am (Pacific) / 8:00 pm (Beijing/Hong Kong), ... Inc. (NYSE: WX ) ("WuXi PharmaTech" or ,the ... outsourcing company, today announced that it will release,unaudited financial ...
... Reduced Tumor Growth by ... - Findings Confirm Key Aspects of Bavituximab,s Mechanism of Action in ... Combination with Radiation Therapy -, - Results Further Support Future Clinical Trials ... Combination With Radiation Therapy -, TUSTIN, Calif., ...
Cached Biology Technology:WuXi PharmaTech Schedules 2007 Second Quarter Earnings Release on Thursday, September 6, 2007 2WuXi PharmaTech Schedules 2007 Second Quarter Earnings Release on Thursday, September 6, 2007 3Study Published in Clinical Cancer Research Confirms Potential Of Peregrine's Bavituximab Combined With Radiation In Lung Cancer 2Study Published in Clinical Cancer Research Confirms Potential Of Peregrine's Bavituximab Combined With Radiation In Lung Cancer 3Study Published in Clinical Cancer Research Confirms Potential Of Peregrine's Bavituximab Combined With Radiation In Lung Cancer 4Study Published in Clinical Cancer Research Confirms Potential Of Peregrine's Bavituximab Combined With Radiation In Lung Cancer 5
... Complete kit for all types of yeast ... Choice of two ... self-activating baits , ... , Complete set ...
interferon-related developmental regulator 2...
Mouse Limitin MAb (Clone 183727)...
Human Serum FDA Licensed US Donor Centers Sterile / Non-sterile: Sterile Filtered to 0.2 micron Information: Extensive Viral Testing ...
Biology Products: