How do chameleons and other creatures change colour?
When most people think of colour change, they think of octopuses or chameleons – but the ability to rapidly change colour is surprisingly widespread.
May 03, 2013
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May 03, 2013
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A diffusion trap: Sticky spots on cell membranes hold onto the master regulator of cell polarity
Over the past several years, Rong Li, Ph.D., at the Stowers Institute for Medical Research has been making crucial discoveries about the development of cell polarity—the process by which one side of a cell ...
Jan 22, 2013
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New fluorescent biosensor reveals mechanism critical to immune system amplification
Using a new fluorescent biosensor they developed, researchers at Carnegie Mellon University have discovered how a key set of immune cells exchange information during their coordinated assault on invading pathogens. The immune ...
Apr 23, 2012
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Researchers identify signals triggering dendrite growth
Researchers publish study on neuronal RNA targeting
SUNY Downstate scientist Ilham Muslimov, MD, PhD, along with senior author Henri Tiedge, PhD, professor of physiology and pharmacology and of neurology, published a study suggesting that cellular dysregulation associated ...
Sep 07, 2011
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'I'm a tumor and I'm over here!' Nanovaults used to prod immune system to fight cancer (w/ video)
(PhysOrg.com) -- UCLA scientists have discovered a way to wake up the immune system to fight cancer by delivering an immune system-stimulating protein in a nanoscale container called a vault directly into ...
May 03, 2011
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Personlized dendritic cell vaccine increases survival in patients with deadly brain cancer
A dendritic cell vaccine personalized for each individual based on the patient's own tumor may increase median survival time in those with a deadly form of brain cancer called glioblastoma, an early phase study at UCLA's ...
Mar 17, 2011
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New microscope decodes complex eye circuitry (w/ Video)
The sensory cells in the retina of the mammalian eye convert light stimuli into electrical signals and transmit them via downstream interneurons to the retinal ganglion cells which, in turn, forward them to ...
Mar 09, 2011
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Rewrite the textbooks: Findings challenge conventional wisdom of how neurons operate
(PhysOrg.com) -- Neurons are complicated, but the basic functional concept is that synapses transmit electrical signals to the dendrites and cell body (input), and axons carry signals away (output). In one ...
Feb 17, 2011
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Study uses the patient's tumor to form vaccine
A new process for creating a personalized vaccine may become a crucial tool in helping patients with colorectal cancer develop an immune response against their own tumors. This dendritic cell (DC) vaccine, developed at Dartmouth ...
Nov 24, 2010
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New class of 'dancing' dendritic cells derived from blood monocytes
Dendritic cells, known to be the prime movers of the body's immune response, are still notoriously difficult to study in humans. Samples, which come primarily from bone marrow or lymphoid tissue, are simply too difficult ...
Nov 10, 2010
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Researchers turn off severe food allergies in mice
Johns Hopkins scientists have discovered a way to turn off the immune system's allergic reaction to certain food proteins in mice, a discovery that could have implications for the millions of people who suffer severe reactions ...
Oct 02, 2010
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Novel sensing mechanism discovered in dendritic cells to increase immune response to HIV
Dendritic cells are the grand sentinels of the immune system, standing guard 24/7 to detect foreign invaders such as viruses and bacteria, and bring news of the invasion to other immune cells to marshal an ...
Sep 08, 2010
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Dendritic cells found in zebrafish
(PhysOrg.com) -- Scientists from the University of California, San Diego School of Medicine have identified dendritic antigen-presenting cells in zebrafish, opening the possibility that the tiny fish could become a new model ...
Sep 08, 2010
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New HIV vaccine trial first to target dendritic cells
When HIV was first discovered to cause AIDS in 1981, prominent scientists expected to have an effective vaccine within a couple of years. Three decades later, the disease has killed more than 25 million people and defied ...
Jul 05, 2010
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