News tagged with receptor molecules
Plants on Steroids: Key Missing Link Discovered
Sep 08, 2009 |
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(PhysOrg.com) -- Researchers at the Carnegie Institution's Department of Plant Biology have discovered a key missing link in the so-called signaling pathway for plant steroid hormones (brassinosteroids). Many important signaling ...
'Genetic arms race' between bacteria, viruses subject of stimulus grant
Jul 02, 2009 |
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The oceans teem with microscopic bacteria that produce much of Earth's oxygen as they absorb carbon dioxide greenhouse gas. But fast-mutating viruses also populate the seas, attacking marine bacteria in an ...
Nuclear hormone receptors, microRNAs form developmental switch
Apr 02, 2009 |
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A particular nuclear hormone receptor called DAF-12 and molecules called microRNAs in the let-7 family form a molecular switch that encourages cells in the larvae of a model worm to shift to a more developed state, said a ...
Biologists spy close-up view of poliovirus linked to host cell receptor
Biology /
Dec 08, 2008 |
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(PhysOrg.com) -- Researchers from Purdue and Stony Brook universities have determined the precise atomic-scale structure of the poliovirus attached to key receptor molecules in human host cells and also have taken a vital ...
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Psychoactive compound activates mysterious receptor
Feb 12, 2009 |
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(PhysOrg.com) -- A hallucinogenic compound found in a plant indigenous to South America and used in shamanic rituals regulates a mysterious protein that is abundant throughout the body, University of Wisconsin-Madison researchers ...
Previously unseen switch regulates breast cancer response to estrogen
May 08, 2008 |
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A tiny modification called methylation on estrogen receptors prolongs the life of these growth-driving molecules in breast cancer cells, according to research by scientists at Emory University's Winship Cancer Institute. ...
Shape changes in aroma-producing molecules determine the fragrances we detect
Dec 22, 2008 |
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Shakespeare wrote "a rose by any other name would smell as sweet." But would it if the molecules that generate its fragrance were to change their shape?
Crucial factors in lymphoma development and survival discovered
Jun 24, 2008 |
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[B]Experiments with new mouse model suggest therapeutic targets[/B] Researchers at National Jewish Medical and Research Center have discovered an important factor in the development of B-cell lymphomas, one of the fastest gro ...
Integrins as receptors give insight into rotavirus and diarrhea
Jun 30, 2008 |
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Eleven years ago, Dr. Mary Estes of Baylor College of Medicine and her colleagues discovered the first viral enterotoxin, rotavirus NSP4, a toxic protein that affects the intestines, causing diarrhea.
It takes two to infect: Structural biologists shed light on mechanism of invasion protein
Nov 30, 2009 |
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Bacteria are quite creative when infecting the human organism. They invade cells, migrate through the body, avoid an immune response and misuse processes of the host cell for their own purposes. To this end every bacterium ...
Research identifies cell receptor as target for anti-inflammatory immune response
Nov 26, 2008 |
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(PhysOrg.com) -- Invading pathogens provoke a series of molecular heroics that, when successful, muster an army of antibodies to neutralize the threat. Like with any close-quarter combat, however, an aggressive ...
Researchers solve structure of NMDA receptor unit that could be drug target for neurological diseases
Nov 12, 2009 |
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A team of scientists at Cold Spring Harbor Laboratory reports on Thursday their success in solving the molecular structure of a key portion of a cellular receptor implicated in Alzheimer's, Parkinson's, and other serious ...
Study reveals how plants and bacteria 'talk' to thwart disease
Nov 05, 2009 |
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When it comes to plants' innate immunity, like many of the dances of life, it takes two to tango. A receptor molecule in the plant pairs up with a specific molecule on the invading bacteria and, presto, the immune system ...
Study reveals a reprogrammed role for the androgen receptor
Jul 27, 2009 |
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The androgen receptor - a protein ignition switch for prostate cancer cell growth and division - is a master of adaptability. When drug therapy deprives the receptor of androgen hormones, thereby halting cell proliferation, ...
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