Navigation Links
Weizmann Institute suggests that immune cells help to maintain cognition and brain cell renewal

A team of scientists at the Weizmann Institute of Science, led by Prof. Michal Schwartz of the Neurobiology Department, has come up with new findings that may have implications in delaying and slowing down cognitive deterioration in old age. The basis for these developments is Schwartz's team's observations, published today in the February issue of Nature Neuroscience, that immune cells contribute to maintaining the brain's ability to maintain cognitive ability and cell renewal throughout life.

Until quite recently, it was generally believed that each individual is born with a fixed number of nerve cells in the brain, and that these cells gradually degenerate and die during the person's lifetime and cannot be replaced. This theory was disproved when researchers discovered that certain regions of the adult brain do in fact retain their ability to support and promote cell renewal (neurogenesis) throughout life, especially under conditions of mental stimuli and physical activity. One such brain region is the hippocampus, which subserves certain memory functions. But how the body delivers the message instructing the brain to step up its formation of new cells is yet unknown.

The central nervous system (CNS), comprising the brain and spinal cord, has been considered for a long time as "a forbidden city", in which the immune system is denied entry as its activity is perceived as a possible threat to the complex and dynamic nerve cell networks. Furthermore, immune cells that recognize the brain's own components("autoimmune" cells) are viewed as a real danger as they can induce autoimmune diseases. Thus, although autoimmune cells are often detected in the healthy individual, their presence there was perceived as an outcome of the body's failure to eliminate them. But Schwartz's group showed that these autoimmune cells have the potential ability ?if their levels are controlled ?to fight off debilitating degenerative conditions that can afflict the CNS, such
'"/>

Source:American Committee for the Weizmann Institute of Science


Page: 1 2 3

Related biology news :

1. Weizmann Institute scientists develop a new approach for directing treatment to metastasized prostate cancer in the bones.
2. Weizmann Institute scientists discover a molecular security mechanism for keeping mutations in check
3. Affymetrix and the Karolinska Institutet Announce Translational Medicine Strategic Alliance
4. BioMed Central welcomes the new National Institutes of Health public access policy
5. Institute for Systems Biology Symposium Addresses Need for Better Computational Tools
6. Virginia Tech, Nanjing Institute researchers discover half-billion year-old fossils
7. UC San Diego partners with Venter Institute to build marine microbial genomics cyberinfrastructure
8. Virginia Bioinformatics Institutes launches microbial database
9. Latest advances in DNA sequencing highlighted at DOE Joint Genome Institute User Meeting
10. UCLA AIDS Institute researchers find a peptide that encourages HIV infection
11. Insight into natural cholesterol control suggests novel cholesterol-lowering therapy
Post Your Comments:
(Date:8/21/2014)... unknown process for harvesting energy and producing oxygen from ... University scientist has discovered. The discovery lays the foundation ... energy from the Sun, and understanding dense blooms like ... worldwide. A paper describing the discovery will be published ... journal Science on 21 August 2014. , ...
(Date:8/21/2014)... aimed at improving the food intake, health and quality ... is among three projects at the University of Waterloo ... Canadian Institutes of Health Research (CIHR). , Professor ... at Waterloo, and a Schlegel research chair in nutrition ... investigate why many Canadians living in long-term care homes ...
(Date:8/21/2014)... Ever heard of the water window? It consists of ... are not absorbed by the water in biological tissues. ... develop coherent radiations within the water window. These could ... a high-contrast image of the biological samples or to ... study identifies the physical mechanism needed to efficiently generate ...
Breaking Biology News(10 mins):Hot-spring bacteria reveal ability to use far-red light for photosynthesis 2Hot-spring bacteria reveal ability to use far-red light for photosynthesis 3Grants will fund landmark aging research at Waterloo 2Water window imaging opportunity 2
... to be satisfied? Less than half as much as ... snacking study. Using chocolate chips, apple pie, and potato ... Wansink designed a study to determine if people who ... hungrier or satisfied fifteen minutes after eating., ,Two groups ...
... in the American Chemical Society,s (ACS,) award-winning Global ... to improve the sensitivity of the test often used to ... possessions of passengers at airport security screening stations. Based ... ACS, The Journal of Physical Chemistry C , the ...
... Aviv Prof. Nathan Nelson of Tel Aviv University,s ... Center has been awarded the 2012 Israel Prize in ... awarded in Jerusalem on the eve of Israel,s Independence ... and molecular biology, Prof. Nelson is internationally renowned for ...
Cached Biology News:New American Chemical Society podcast: Boosting the sensitivity of airport security screening 2
(Date:8/22/2014)... , Aug. 22, 2014 Research and ... "Global and China Gel Permeation Chromatography (GPC) Industry Report ... The Global and China Gel Permeation Chromatography (GPC) Industry ... current state of the global gel permeation chromatography industry ... report provides a basic overview of the industry including ...
(Date:8/22/2014)... 22, 2014 The identification of ... can be accelerated by exome sequencing. Built on ... the custom SeqCap EZ Developer system has been ... Watson will additionally present how he achieved coverage ... human and mouse exome kits. With over 236,000 ...
(Date:8/21/2014)... group at the Institute for Molecular Medicine Finland ... has developed a novel "man and machine" decision ... diagnostic aid was described in PLOS One ... is based on computer vision algorithms similar to ... visualization of only the diagnostically most relevant areas. ...
(Date:8/21/2014)... His Majesty Willem-Alexander, King of the ... of His Majesty Willem-Alexander, King of the Netherlands, has ... of POET-DSM Advanced Biofuels’ Project LIBERTY cellulosic ethanol plant ... King will take part in the Grand Opening Ceremony ... a.m.-12:20 p.m. and tour the plant. POET-DSM is a ...
Breaking Biology Technology:Global and China Gel Permeation Chromatography (GPC) Industry Report 2014 2Efficient Identification of Protein-Coding Variants in a Model Organism Through Exome Sequencing, New Webinar Hosted by Xtalks 2A novel 'man and machine' decision support system makes malaria diagnostics more effective 2His Majesty Willem-Alexander, King of the Netherlands, to Attend Project LIBERTY opening 2His Majesty Willem-Alexander, King of the Netherlands, to Attend Project LIBERTY opening 3
... VisEn Medical Inc., a leader in fluorescence in vivo ... of its new Cat-K FAST (TM) ... with disease progression and therapeutic response in vivo . ... therapeutic target in a range of bone-related diseases, including cancer metastasis ...
... 7 Mylan Inc. (Nasdaq: MYL ) today ... from the U.S. Food and Drug Administration (FDA) for its ... , , Bicalutamide Tablets are the generic version of ... of approximately $322 million for the 12 months ending March ...
... MATEO, Calif., July 7 King Pharmaceuticals, Inc. (NYSE: ... today announced that on July 2, 2009, King met with the ... Letter regarding the New Drug Application (NDA) for REMOXY(R). The ... to resubmit the REMOXY(R) NDA and to address all FDA comments ...
Cached Biology Technology:VisEn Launches New Cat-K FAST(TM) Fluorescence Molecular Imaging Agent 2King and Pain Therapeutics Announce REMOXY(R) NDA Update 2King and Pain Therapeutics Announce REMOXY(R) NDA Update 3
Practical tool for easy, effective sealing of 0.2ml PCR tubes and plates using cap strips....
... by BioLegend, the Quansys Biosciences Q-Plex Array ... of cytokines/chemokines for human, mouse, and rat ... a fully quantitative ELISA-based test where 4 ... each well of a 96-well plate in ...
The strip cap tool is a used for properly seating 8- and 12-cap strips in microplates or strip tubes. A grooved channel on one side is designed to seat domed caps, while the flat edge on the opposite...
... The expertise that made the original Gene Pulser ... system available has been applied in the Gene ... The modular design of the Gene Pulser II ... accessory that has the widest range of settings ...
Biology Products: