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Tag: "tricks" at biology news

U-M scientist to talk about tissue engineering at AAAS

...etty good handle on how to teach human cells to do tricks in a laboratory---things like getting soft cells from the mouth's lining to form bone. But in the real world, accomplishing such feats is more complex. Regenerating the jaw bone of a person undergoing radiation therapy for cancer means managing the ...

Same mutation aided evolution in many fish species, Stanford study finds

...adapt to new conditions, or if evolution has other tricks up its sleeve to push organisms towards an optimal form for their environment. Other Stanford researchers who participated in the study include graduate students Pamela Colosimo, PhD, first author on the study, and Kim Hosemann; technician Sarita Ba...

Antibiotic might fight HIV-induced neurological problems

... the same tissues in the same way and use the same tricks to infect cells and outwit treatments, but SIV infects only non-human primates, and HIV only infects people. Antiretroviral drugs target and interfere with the viral proteins needed to accomplish this. In contrast, minocycline doesn't target the vir...

Evidence of 600-million-year old fungi-algae symbiosis discovered in marine fossils

...sortium. "When and where did they first learn the tricks to form this collaboration?" Xiao asked. "The earliest lichen fossils described by Professor Taylor were from non-marine deposits about 400 million years old, when plants began to massively colonize the land. But did cyanobacteria or other algae form...

The making and breaking of microtubules

...s. Then, says Nogales, "Hong-Wei found biochemical tricks for slowing down the transitions almost to the point of stopping them." Cryo-electron microscopy (cryo-EM) is capable of capturing such polymer structures without having to break them down and crystallize single subunits for x-ray diffraction analys...

Secrets to antibody's success against West Nile Virus surprise scientists

...l inside the cell. After that injection, the virus tricks the host cell into making more copies of the genet...s that dengue and other viruses may have developed tricks that let them reproduce inside macrophages, the immune cells that normally consume and destroy any o...

Old drug, new tricks: Prospects for slashing the impact of malaria

...This looks like a case of teaching an old drug new tricks - or perhaps the old drug teaching us that it can perform tricks that we never suspected it could." The four-year trial is being conducted in PNG for a number of r...

Purdue researchers find key to rice blast fungus

...percent in infected areas. Learning how the fungus tricks rice's natural defenses against pathogens to penet...r, rice blast fungus is able to quickly evolve new tricks to tackle rice plants, apparently because the fungus and the grain developed side by side over centu...

Grabbing addiction by the tail

.... Their research has produced a targeted drug that tricks brain cells into preventing those changes. "We thi...ns, the receptor no longer works. Wang's peptide tricks the cellular machinery into tugging on it instead of the receptor's tail. "Once it gets inside the n...

Dangerous tricksters: Some bacterie use immune cells to reproduce

...ccessfully eradicates an infection despite all the tricks the bacteria use. Rhodococci, incidentally, can also cause diseases resembling TB in AIDS patients which may be fatal. 'This is an additional important aspect for our work,' Prof. Haas stresses. 'We assume that our research can contribute to underst...

Performing monkeys in Asia carry viruses that could jump species to humans

...ng monkeys are animals that are trained to produce tricks in public. While scientists have conducted extensive research on primate-to-human viral transmission in Africa, where they believe HIV originated, few have researched this topic in Asia. "People aren't looking at Asia, and they need to do so, beca...

Cloned stem cells prove identical to fertilized stem cells

... the nucleus has been removed. The researcher then tricks the egg into thinking it's been fertilized. The egg develops into a blastocyst, an early stage embryo consisting of no more than 100 or so cells. The scientist can then either remove the stem cells from this blastocyst, or place it into a uterus wher...

'Scent of a woman' tells male redback spiders to find a mate

... -- an uncommon occurrence in nature -- have a few tricks up their (eight) sleeves. A new study by researchers at the University of Toronto at Scarborough has identified developmental adaptations in male Australian redback spiders (Latrodectus hasselti) that give these guys an edge in their deadly dating ga...

New lab technique churns out fungus' potential cancer fighter

...g to the walls of a New Zealand cave, the chemical tricks certain cancer cells into suicide while leaving healthy cells untouched. "In 2000, scientists in Japan discovered that this compound might have some tremendous potential as a prototype anticancer agent, but no one has been able to study or develop i...

New lab technique churns out fungus' potential cancer fighter

...g to the walls of a New Zealand cave, the chemical tricks certain cancer cells into suicide while leaving healthy cells untouched. "In 2000, scientists in Japan discovered that this compound might have some tremendous potential as a prototype anticancer agent, but no one has been able to study or develop i...

Experimental RNA-based drug kills prostate cancer cells effectively and safely

...imental RNA-based drug -- the first of its kind -- tricks its way into prostate cancer cells and then springs into action to destroy them, while leaving normal cells unarmed. The drug, developed at Duke University Medical Center, uses one type of genetic material, called targeting RNA, to enter cancer cel...

Study details hepatitis C ability to block immune system response

...in some novel fashion and that the virus has other tricks up its sleeve that makes it resistant to their antiviral effects. Further study is needed to understand which cells in the liver produce the interferon and how the virus can resist the broad spectrum of these antiviral effects." The knowledge gaine...

Researchers find 'secret weapon' used by SARS virus

... of SARS; clearly, this coronavirus had some nasty tricks up its sleeve. Now, in a discovery that suggests a possible new route by which scientists might fashion a vaccine against SARS, researchers at the University of Texas Medical Branch at Galveston (UTMB) have uncovered one of those tricks: a "secret...

Research holds promise for herpes vaccine

.... However, herpes produces a protein, ICP0, that tricks every infected cell into destroying its own armor. Once the cell's armor is gone, the virus can propagate itself and spread to other cells, which are in turn tricked into lowering their defenses. In his research, Halford created a vaccine where th...

An AIDS-related virus tricks cells to become tumors, new Penn study finds

...alled latency-associated nuclear antigen, or LANA, tricks the cell into destroying two major suppressors of tumor growth called von Hippel Lindau (VHL) and p53. "In addition, we have shown that when LANA expression was blocked, the tumor suppressors again become stable suggesting a direct role of the viral ...

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