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X-Rays Yield Mechanism of Alzheimer’s Drug

X-Rays Yield Mechanism of Alzheimer’s Drug

24.02.2003
Biochemistry, Brain & Behavior, Disease, Drugs & Diagnostics, Structural Biology
A team of Weizmann scientists has gained new insight into the effects of a newly approved drug, rivastigmine, in treating Alzheimer’s disease, a debilitating brain disease causing memory loss in around 10% of the elderly. The study was published in the American Chemical Society journal Biochemistry.    
Tiny Computing Machine Fueled by DNA

Tiny Computing Machine Fueled by DNA

24.02.2003
Biochemistry, Math & Computer Science, Bioinformatics and Computational Biology
Fifty years after the discovery of the structure of DNA, a new use has been found for this celebrated molecule: fuel for molecular computation systems. The search, conducted by scientists at the Weizmann Institute of Science, will appear in this week's issue of Proceedings of the National Academy of Sciences USA (PNAS).    
Sperm Use Heat Sensors to Find the Egg

Sperm Use Heat Sensors to Find the Egg

31.01.2003
Biochemistry, Disease, Drugs & Diagnostics, Fertility
Much like guided missiles that sense the heat of a plane's engine, sperm are guided to the fertilization site by temperature, reports a Weizmann Institute study published in the current issue of Nature Medicine.    
Radiation-Resistant Organism Reveals Its Defense Strategies

Radiation-Resistant Organism Reveals Its Defense Strategies

09.01.2003
Space & Physics, Viruses & Microorganisms, Organic Chemistry
The secret to its strength is a ring   Weizmann Institute scientists have found what makes the bacterium Deinococcus radiodurans the most radiation-resistant organism in the world: The microbe's DNA is packed tightly into a ring. The findings, published in the January 10 issue of Science, solve a mystery that has long engaged the scientific community.    
Top (arrow): Transplant of a human kidney originating from an 8-week old embryo, 8 weeks after transplantation. Bottom: Tissue sections of the kidney transplant at varying magnifications indicating differentiation into various cell structures.

Human Kidneys Created in Mice

23.12.2002
Stem Cells, Immunology, Disease, Drugs & Diagnostics
Transplanted tissue could offer a solution to kidney donor shortage  
Gene Responsible For Anemia (Type CDA-1) Discovered

Gene Responsible For Anemia (Type CDA-1) Discovered

15.12.2002
Disease, Drugs & Diagnostics, Genetics
A rare type of the disease found mainly in Bedouins may provide insight into anemia  
Prof. Yair Reisner

Prize to Weizmann Institute Professor for Landmark Work in Stem Cell Transplantation

12.12.2002
Prof. Yair Reisner of the Institute's Immunology Department will be awarded the Daniele Chianelli Prize on December 15, 2002, commemorating his work of over 20 years on incompatible stem cell transplantation. Bone marrow or stem cell tranplantation is a crucial part of the therapeutic strategy aimed at saving the lives of people with leukemia, malignant lymphoma, multiple myeloma and congenital blood disorders, such as thalassemia or severe immune deficiencies.  
Dr. Uri Alon

Genes, Neurons, and The Internet Found to Have Organizing Principles – Some Identical

06.11.2002
How do 30,000 genes in our DNA work together to form a large part of who we are? How do one hundred billion neurons operate in our brain?  The huge number of factors involved makes such complex networks hard to crack. Now, a study published in the October 25 issue of Science uncovers a strategy for finding the organizing principles of virtually any network – from neural networks to ecological food webs or the Internet.  
Sling Effect in Clouds Brings on the Rain

Sling Effect in Clouds Brings on the Rain

30.10.2002
Climate, Mathematics
New formula developed by Weizmann Institute physicists may improve rain prediction Weizmann Institute physicists have revealed that turbulence in clouds can accelerate rain formation. In a study published in Nature, they developed a formula that makes it possible to calculate how fast tiny droplets within clouds cluster into heavy, rain-producing drops. The research may provide an effective tool for rain prediction.  
Forty-year-old theory promoted to fact

Forty-year-old theory promoted to fact

24.10.2002
Biochemistry, Viruses & Microorganisms, Molecular and Cell Biology, Disease, Drugs & Diagnostics, Genetics
‘TWIN SISTER’ MECHANISM PREVENTS FORMATION OF GENETIC MUTATIONS    

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