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Researchers make headway in mystery of migraines
Scientists at the MUHC have made progress in understanding what causes migraines. The research, published in the new issue of the Proceedings of National Academy of Sciences (PNAS), reveals how gene mutations known to cause a form of inherited migraine -- the kind that cause debilitating headaches and light flashes known as auras -- target a cellular process involved in brain cell communication. (2005-07-27)

Discovery at UCSB may lead to new drugs to treat cancer, control fertility
A recent discovery in cellular biology at UC Santa Barbara may allow scientists to enhance organ regeneration by stem cells, prevent the progression of cancer, and control fertility. It was described in a paper published in the May issue of the journal Developmental Cell, the most widely cited journal in developmental biology. (2005-05-20)

Pump failure implicated in a form of dystonia
Tiny genetic flaws in a protein that pumps sodium and potassium across the membranes of neurons have been implicated in a rare but devastating form of dystonia. Scientists have pinpointed for the first time genetic mutations that underlie the disorder known as rapid-onset dystonia parkinsonism. (2004-07-21)

Scientists track protein linked to movement disorder
A team led by researchers at Washington University School of Medicine in St. Louis is one step closer to understanding the function of a protein linked to an inherited form of the movement disorder dystonia. (2004-05-17)

Examining cardiac performance of tunas at the cellular level
A study of cold and warm water tuna indicates distinct cellular differences in a key protein associated with the beat-to-beat contraction of their hearts. (2004-02-04)

UI researchers discover new activity in cystic fibrosis protein
Even well-studied proteins can reveal surprises. University of Iowa scientists have discovered a new enzyme activity for the cystic fibrosis transmembrane conductance regulator (CFTR). The discovery helps solve a long-standing puzzle about how this important protein works. (2004-01-27)

Purdue researchers connect life's blueprints with its energy source
The Purdue University research team that recently created a tiny motor out of synthetic biological molecules has found further evidence that RNA molecules can perform physical work, a discovery that could advance nanotechnology and possibly solve fundamental mysteries about life itself. (2003-02-03)

Molecular architecture and action of a proton pump
Proteins which transport ions in and out of cells are vital to every living organism. Based on the structure of a calcium pump, scientists at the Max Planck Institute of Biophysics have deduced the structure and regulatory mechanism of a yeast proton pump. The mechanism has potential for new types of fungicides. (2002-08-09)

Monitoring epithelial plasticity, one cell at a time
The kidneys maintain plasma volume and composition by adapting to shifts in the concentration of ions and other solutes. Some years ago, Schwartz and colleagues identified one such homeostatic mechanism, in which acidosis alters the cellular population within the cortical collecting duct (CCD) of the kidney. Over a period of days, acidosis induces one epithelial cell type in the CCD, the b-intercalated cells, to adopt the characteristics of another cell type, the a-intercalated cells (2002-01-02)

APS awards more than $200,000 to its 2001 Postdoctoral Fellowship winners
The American Physiological Society has announced the winners of its 2001 Postdoctoral Fellowships in Physiological Genomics. The two-year award will provide funds totaling $69,000 to each of the three winning scientists including stipend and a mini research grant for each year. (2001-07-09)

Study reveals structure of DNA packaging motor in virus
A detailed look at one of nature's smallest motors is providing scientists with new insights on how some viruses package their genetic material and reveals a new type of biological motor system. (2000-12-06)

Science's Nanotechnology Issue: 'Dancing' tin may promise new nanomotors
Tin crystals promenade across copper, stopping now and then to trade places with a counterpart, using choreography akin to the (2000-11-23)

Biomolecular motors with propellers can live inside cells
Nanobiotechnologists at Cornell University have built and pilot-tested the first biomolecular motors the size of virus particles with tiny metal propellers. (Science Nov. 24, 2000) (2000-11-22)

UF scientists discover novel mechanism underlying bone destruction
University of Florida researchers have discovered a new way bone-destroying cells function in the body that could pave the way for the development of new drugs to treat osteoporosis as well as some of the most deadly forms of cancer. (2000-11-14)

UT Southwestern researchers find lever involved in ultrviolet-ray sensitivity
Investigation of two important cell systems has revealed that a large protein complex, previously thought to mainly regulate protein degradation, also plays a significant role in sensitivity to cancer-causing ultraviolet light. (1999-06-18)

Jackson Laboratory Researchers Identify Neuromuscular Degeneration Gene
Scientists at The Jackson Laboratory have cloned the gene for the mouse mutation known as neuromuscular degeneration, or nmd, an advance that could boost research into such devastating neurological diseases in humans as amyotrophic lateral sclerosis and spinal muscular atrophy. (1998-12-22)

U-M Researcher Addresses Changes In The Heart As It Ages
The study examine the normal changes the heart goes through in the aging process. (1998-12-01)

Breakthrough: Scientists Create 3-D Map Of Cell Membrane Ion Pump At Near Atomic Resolution
For the first time, scientists have succeeded in mapping the structure of an ion pump in cells' plasma membrane - the (1998-05-06)

Structure Of The Plasma Membrane Proton Pump Offers A First Glimpse Of The Mechanism Of Ion Pumping Across Membranes
A research team from the Max Planck Institute of Biophysics in Frankfurt/Germany, and the University of North Carolina, Chapel Hill/NC, has determined the structure of the plasma membrane proton ATPase at a resolution of about 0.8 nm by electron cryomicroscopy of two-dimensional crystals (nature, vol. 392, 23 April 1998, 840). (1998-04-27)

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