Diatom genome reveals key role in biosphere's carbon cycle
...its brethren, it is encased by a frustule, a rigid cell wall delicately marked with pores in patterns distinctive enough for scientists to tell the species apart. Another new finding reported in Science concerns the unusual way the diatom metabolizes silicon to form its characteristically ornate silica fr...NIH awards new $14.5 million, five-year grant to the Scripps Research Institute
...rotein -- a type of large protein that sits in the cell membrane and moves other molecules in and out. Can...rtion of the protein that is on the outside of the cell membrane and solving it as one would any soluble protein. But the problem with this is that it ignor...New therapy for specific form of leukemia
...rotein that catalyzes a number of processes in the cell − in the case of ABL1, this is the process of cell division. It is crucial that kinases function in a very controlled manner within our cells. Loss of ...DNA sequence controls expression of gene involved in cancer
... mutated or inappropriately expressed, can cause a cell to become cancerous. Normally, bcl-2 produces a protein that inhibits cell death or apoptosis. This protein keeps death-promoting factors from producing holes in the mitochond...US researchers show cottonseed drug is cancer treatment booster
..., and increased induction of apoptosis (programmed cell death) and made the tumours more sensitive to radi...tochemo/radiotherapy." He said that based on their cell and animal data the (-)-gossypol form of the drug was likely to be more active than the same doses o...32 new grants made for innovative technology R&D
...Develop a thin, large area planar solid oxide fuel cell based on innovative ceramics, device design, and a...ApplicationsDevelop a lightweight solid oxide fuel cell that offers five times the power density of the current state of the art, as well as greater durabil...College students recognized & rewarded for their innovative work
...00 Wei Gu , Computerized microfluidic control for cell biology using Braille display (micro plumbing), University of Michigan The winners, along with the other finalists, were all recognized for their groundbreaking achievements in front of an audience of educators, National Inventors Hall of Fame induct...An embryonic stem cell model for Parkinson's disease
...tive stress has long been associated with neuronal cell death and neurodegenerative diseases like Parkinson's. Proving a causal relationship between oxidative stress and neurodegeneration, however, requires establishing a molecular mechanism. These results support a link between oxidative damage and disea...Columbia University scientist wins 2004 Nobel Prize
...s processed in the brain. Each olfactory receptor cell possesses only one type of odorant receptor, and e...is of gene function in vivo. These experiments in cell transformation led to the isolation and functional analysis of the gene for the T-cell surface prote...HHMI researchers Richard Axel and Linda Buck win 2004 Nobel Prize
...lia that protrude into a thin bath of mucus at the cell surface. Somewhere on these cilia, scientists were...nd bind odorant molecules, thereby stimulating the cell to send signals to the brain. The receptor proteins would be the key to answering two basic questio...New biomaterials improve medical devices
...ive an after-dinner talk on ethical issues in stem cell research. Educational grants for the Symposium have been provided by the Johnson & Johnson Family of Companies, the Center for Biomaterials & Advanced Technologies - a Division of Ethicon Inc., the Whitaker Foundation, Synnestvedt & Lechner LLP, B...Use of aspirin or other NSAIDs increases survival
...1 and COX-2 enzymes, NSAIDs may enhance programmed cell death (apoptosis) and inhibit the development of blood vessels (angiogenesis) that feed a tumor. The Fox Chase researchers concluded that inhibiting these COX enzymes holds promise in prostate cancer treatment and warrants further studies. In additi...Dying cells encourage neighbors to grow
...that die as a result of injury-provoked programmed cell death, also known as apoptosis, may stimulate the ...earchers demonstrate that the undead cells promote cell growth in the surrounding imaginal disc by activating specific signaling cascades that are known to ...Running not swimming or biking is best kind of loading exercise for childrens bone growth
...rrent research." These include ion channels in the cell membrane, ATP (adenosine triphosphate) signaling, and second messengers such as prostaglandins and nitric oxide. Specific targets of mechanical loading include the L-type calcium channel (alpha 1C isoform), a gadolinium-sensitive stretch-activated ch...Research out this week helps us understand basics of how neurons communicate
...een nerve cells occurs when calcium enters a nerve cell and causes the cell to release a chemical called a neurotransmitter that then carries a signal to other nerve cells. Cal...University of Oregon professor wins 2004 Spiers Medal
...w molecules such as the phospholipids that make up cell membranes control the structure of water at a surface," Bain explains. "She has shown how the molecules of water line up at a surface and turn around to point in the opposite direction if the charge on the surface is changed. She has also looked at w...Most promising clinical uses for stem cells from fat agreed on by international society
...udies have suggested they can be coaxed into other cell types, such as nerve, bone, muscle and blood vesse... these cells are most likely comprised of multiple cell populations some that are capable of proliferation and differentiation and other groups consisting ...Low dose radiation evades cancer cells' protective 'radar'
...ion strategy on cultured prostate and colon cancer cell lines and found that it killed up to twice as many...cular Radiation Sciences at Johns Hopkins. "A dead cell is better than a mutant cell, so if the damage is mild, cells die instead of risking repair." Higher...Irwin Rose wins 2004 Nobel Prize in Chemistry
...r modifiers, similar to ubiquitin, are used by the cell to regulate proteins in many ways. These findings are playing a key role in the development of drugs to fight illnesses such as cancer and cystic fibrosis. "The basic science faculty at the College of Medicine and our clinical faculty at UCI Medi...NIH awards Emory and Georgia Tech $10 million for partnerships in cancer nanotechnology
... cells. Dr. Nie and his team will collaborate with cell biologists to study a variety of molecules involve... of cancer, including those involved in programmed cell death; genes such as the p53 gene, which is implicated in many kinds of cancer; and microtubules and...