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How the Nose Knows
01.07.1999
Genetics
Whether sniffing flowers, fresh-baked bread or the fumes of a passing automobile, the human olfactory system is an amazing scent sleuth, capable of distinguishing between millions of different smells. Now Weizmann Institute scientists have revealed one of the secrets behind this impressive ability.
Measuring the Minuscule
01.07.1999
Space & Physics
In an experiment described in the May 20 issue of Nature, Weizmann Institute scientists have succeeded -- for the first time -- in measuring an electronic charge one-fifth the charge of a single electron. This is the smallest electronic charge that has ever been measured.
Weizmann Institute Scientists Develop a Potential Future Treatment for Myasthenia Gravis
01.07.1999
Disease, Drugs & Diagnostics
Weizmann Institute researchers have developed an effective treatment, administered through the nose, for a myasthenia gravis-like disease in rats, according to a report in the July 6 issue of the Proceedings of the National Academy of Sciences (PNAS).
Weizmann Researchers Find Evidence That Links a Molecular Mechanism to Huntington's Disease
22.06.1999
Disease, Drugs & Diagnostics
Weizmann researchers have found evidence that an enzyme called transglutaminase (TGase) may be the "smoking gun" behind the deadly disease Huntington's disease (HD). Their study is reported in the June 22 issue of the Proceedings of the National Academy of Sciences.
Weizmann Institute Scientist Designs The First General-Purpose Mechanical Computing Device To Serve As The Basis For A Biological Computer
15.06.1999
Math & Computer Science
The first general-purpose mechanical computer designed for biomolecular and pharmaceutical applications has been developed by Prof. Ehud Shapiro of the Computer Science and Applied Mathematics Department at the Weizmann Institute of Science. The mechanical computer will be presented today at the Fifth International Meeting on DNA-Based Computers at the Massachusetts Institute of Technology.
Mechanism Involved in Causing Colon Cancer Discovered at the Weizmann Institute
11.05.1999
Disease, Drugs & Diagnostics
REHOVOT, Israel -- May 11, 1999 -- Weizmann Institute researchers have discovered a molecular mechanism that may be involved in causing colon cancer, according to a study reported in the May 11 issue of the Proceedings of the National Academy of Sciences.
Blocking Autoimmunity Naturally
01.03.1999
Disease, Drugs & Diagnostics
Rheumatoid arthritis, juvenile diabetes and psoriasis are all examples of autoimmunity, a condition in which the body attacks its own tissues. One way to treat such conditions is to use drugs that suppress the immune system across the board, but this is a drastic and potentially dangerous measure. Therefore, researchers are searching for selective autoimmunity drugs, which can bring the immune system under control by targeting specific mechanisms.
Heat-Shock Vaccine Stops Bacteria Dead
01.03.1999
Disease, Drugs & Diagnostics
Autoimmunity, in which the body attacks its own tissues, has traditionally been viewed as spelling nothing but trouble. But now Weizmann Institute scientists have shown that it's possible to "enlist" an autoimmune mechanism for a beneficial cause -- fighting outside intruders such as bacteria. This new approach may lead to the development of improved vaccines for preventing various infectious diseases and possibly for treating cancerous tumors.
'Plugs' For Drugs Promise Mightier Medicines
01.03.1999
Biochemistry
Whether it's one pill several times a day or a self-administered injection, taking medicine frequently can be a major nuisance. Now Weizmann Institute scientists have developed a new approach that may prolong the action of many drugs, making it possible to administer them at much greater intervals without jeopardizing their effectiveness. Immediately after it's taken, the medication's levels in the blood normally surge -- sometimes up to 100 times more than what is needed.
Bone Marrow Transplants May Be Improved
05.02.1999
Disease, Drugs & Diagnostics
Bone Marrow Transplants May Be Improved Thanks To Discovery Of A Key Mechanism Underlying Human Stem Cell Migration REHOVOT, Israel - February 5, 1999 - In bone marrow transplantation, a patient receives a transfusion of stem cells, which migrate to the patient's bone marrow and start producing new, healthy blood. But many transplants fail because, usually, very few stem cells make their way from the blood circulation into the recipient's marrow.
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