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New study ushers in spring-time for slow inactivation

November 17, 2009

The December 2009 issue of the Journal of General Physiology (JGP) contains a paper by Christopher Ahern (The University of British Columbia, Vancouver) and colleagues that explores pore mutation effects in Shaker and other K+ channels using in vivo nonsense suppression technology.

Mouse gene suppresses Alzheimer's plaques and tangles

November 11, 2009

Investigators at Burnham Institute for Medical Research (Burnham) and colleagues have identified a novel mouse gene (Rps23r1) that reduces the accumulation of two toxic proteins that are major play

HIV tamed by designer 'leash'

October 29, 2009

Researchers have shown how an antiviral protein produced by the immune system, dubbed tetherin, tames HIV and other viruses by literally putting them on a leash, to prevent their escape from infect

Sperm may play leading role in spreading HIV

October 26, 2009

Sperm, and not just the fluid it bathes in, can transmit HIV to macrophages, T cells, and dendritic cells (DCs), report a team led by Ana Ceballos at the University of Buenos Aires in Argentina.

Novel findings shed light on how N-type channel function is modified by lipids

October 26, 2009

The November 2009 issue of the Journal of General Physiology (JGP) contains two papers by the Rittenhouse laboratory that describe novel findings on how N-type voltage-gated calcium channel

Checkered history of mother and daughter cells explains cell cycle differences

October 19, 2009

When mother and daughter cells are created each time a cell divides, they are not exactly alike. They have the same set of genes, but differ in the way they regulate them. New research now reveals that these regulatory differences between mother and daughter cells are directly linked to how they prepare for their next split.

Transgenic songbirds provide new tool to understand the brain

September 29, 2009

You can learn a lot from an animal. By manipulating the DNA of mice, flies, frogs and worms, scientists have discovered a great deal about the genes and molecules behind many of life's essential processes. These basic functions often work about the same in people as they do in "model" animals.

New study resolves the mysterious origin of Merkel cells

September 28, 2009

A new study resolves a 130-year-old mystery over the developmental origin of specialized skin cells involved in touch sensation. The findings will appear in the October 5, 2009 issue of the Journal of Cell Biology (online September 28).

57 college presidents declare support for public access to publicly funded research in the US

September 23, 2009

Washington, DC -- The Presidents of 57 liberal arts colleges in the U.S., representing 22 states, have declared their support for the Federal Research Public Access Act (S. 1373) in an Open Letter released today.

Weill Cornell researchers discover new antituberculosis compounds

September 16, 2009

NEW YORK (September 16, 2009) -- Attempts to eradicate tuberculosis (TB) are stymied by the fact that the disease-causing bacteria have a sophisticated mechanism for surviving dormant in infected cells. Now, a team of scientists led by researchers from Weill Cornell Medical College has identified compounds that inhibit that mechanism -- without damaging human cells.

Inhibitors of important tuberculosis survival mechanism identified

September 16, 2009

UPTON, NY -- Attempts to eradicate tuberculosis (TB) are stymied by the fact that the disease-causing bacteria have a sophisticated mechanism for surviving dormant in infected cells. Now, a team of scientists including researchers from the U.S.

Prolonged stress sparks ER to release calcium stores and induce cell death in aging-related diseases

September 14, 2009

Li et al. explain how prolonged stress sparks the endoplasmic reticulum (ER) to release its calcium stores, inducing cells to undergo apoptosis in several aging-related diseases.The study will appear in the September 21, 2009 issue of the Journal of Cell Biology (online September 14).

Study shows how disruption of spectrin-actin network causes lens cells in the eye to lose shape

September 14, 2009

A network of proteins underlying the plasma membrane keeps epithelial cells in shape and maintains their orderly hexagonal packing in the mouse lens, say Nowak et al. The study will appear in the September 21, 2009 issue of the Journal of Cell Biology (online September 14).

Study reveals how a common virus eludes the immune system

August 31, 2009

Viruses have numerous tricks for dodging the immune system. In the September 7, 2009 issue of the Journal of Cell Biology, Stagg et al. reveal a key detail in one of these stratagems, identifying a protein that enables cyto¬megalovirus to shut down an antiviral defense (online August 31).

Anthrax bacteria conspire with viruses to stay alive

August 11, 2009

The brute force of Bacillus anthracis, the ancient scourge that causes anthrax, can sweep through and overpower a two-ton animal in under 72 hours. But when it isn't busy claiming livestock and humans throughout the world -- up to 100,000 annually -- it resides ominously in the soil as a spore waiting for its next victim.



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