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Tag: "kinds" at biology news

Loosen leash on cancer protein 'watchdog,' researchers say

...ped up the aging process. Fortunately, we got more kinds of good news than we initially expected." Mice wi... a potentially powerful chemopreventative for some kinds of hereditary cancer, and, if used properly, it might perform well without elevating the risks of ag...

Unraveling the viral mechanism

...methodology, in theory, can be applicable to other kinds of human viruses," said Chiu. In fact, he said, this bacteriophage appears structurally similar although smaller than the herpes simplex virus, which causes cold sores and related infections. That means it should be possible to use these tools to und...

Radiotherapy advance points way to noninvasive brain cancer treatment

...nt of the cancer cell nuclei, using four different kinds of human glioblastoma cells in culture. De Stasio developed and oversees the X-ray PhotoElectron Emission spectroMicroscopy (X-PEEM) program at UW Madison's SRC, where she also serves as interim scientific director. The technology necessary for eve...

Researchers map out networks that determine cell fate

...ese decisions is central to learning how different kinds of stem cells develop. It provides insights into ...ranscriptional priming is shared amongst different kinds of stem cells, then resolving these mixed-lineage states will invariably involve counteracting repre...

A catalogue of proteins

... mechanical support. As enzymes, they catalyse all kinds of metabolic processes. They are also important components of signal chains, like those which transmit information from the exterior of the cell to its nucleus. In this way, proteins also control the transcription of genetic information and the synth...

Bacteria beat the heat

...rial processes. The team compared two different kinds of bacteria ?one found in moderate environments and the other, an intense-heat lover. Both were photosynthetic (that is, using the sun's energy to create sugars for food). The focus of the research was a reaction that takes place in enzymes in the ph...

Stanford snake venom study shows that certain cells may eliminate poison

...really does side with the victim, at least in four kinds of venom that were used in their experiments. Their findings will be published in the July 28 issue of Science. Venom from three species of poisonous snakes and one species of honeybee were studied by a group led by Stephen Galli, MD, professor and...

Study finds how organs monitor themselves during early development

...nd of powerful feedback loop could help treat many kinds of disorders and show how the power of stem cells could be harnessed to help organs call different cell types into action and regenerate, the researchers said. Stem cells are cells that have not yet specialized and can develop into any number of diff...

Researchers add crucial information on how the body's T cells react to parasitic diseases

...cientists understood how T cells worked in certain kinds of diseases, one area has remained murky: disorder...ity of the processes. There are actually several kinds of T cells, and the ones Tarleton and his colleagues studied are the cytotoxic T cell, which scienti...

Bones hold the key to blood renewal

...de and their daughter cells differentiate into all kinds of blood cells, including large numbers of immune cells for the body's defense. The hematopoietic (literally, blood-creating) stem cells, which can give rise to any kind of blood cell, reside in special 'stem cell niches' nestled in the bones' inner ...

Parkinson's disease mechanism discovered

...n toxicity in dopaminergic neurons. Clearly, these kinds of basic research collaborations, in which you can progress up the evolutionary tree using multiple model organisms, will open the door to new therapeutic opportunities for Parkinson's," said Bonini. ...

Microscopic passengers to hitch ride on space shuttle

...to space later this week, it will take along three kinds of microbes so scientists can study how their genetic responses and their ability to cause disease change. The 'Microbe' experiment, part of the STS-115 space shuttle mission scheduled for launch Aug. 27, will study three common microorganisms --...

Cigarette smoke blocks cell repair mechanism, University of Florida study shows

...p. That has to be considered also when we do these kinds of studies." Narayan said the next step will be to find ways to manipulate cells' capacity for DNA repair and to prevent tumor formation. Meanwhile, he cautions people to avoid smoking, especially teenagers. A study last year found teenage smoke...

UT Southwestern researchers find gene mutation that leads to 'broken hearts'

...e term 'brokenhearted' for this defect because two kinds of cardiac cells separated, thus causing the heart to fall apart, with a loss of heart function and embryonic death." The heart is the first organ to form and function in the embryo. Abnormalities in the complex process of heart formation result in...

How HIV 'exhausts' killer T cells

...gs exist already. However, he cautioned that these kinds of drugs could cause serious side effects, including autoimmune reactions that trigger the immune system to attack the body. Walker added that the researchers' findings will also likely have application in understanding other chronic viral diseases. ...

A new tool against brain disease

...gs exist already. However, he cautioned that these kinds of drugs could cause serious side effects, including autoimmune reactions that trigger the immune system to attack the body. Walker added that the researchers' findings will also likely have application in understanding other chronic viral diseases. ...

Slow-frozen people? Latest research supports possibility of cyropreservation

...es for transplantation or other uses. Only certain kinds of cells and tissues, including sperm and embryos, currently can be frozen and successfully rewarmed. A major problem hindering wider use of cyropreservation is formation of ice crystals, which damage cell structures. Cyropreservation may be most fa...

Bacteria can help predict ocean change

...es from USC and Columbia University show that most kinds of bacteria are not interchangeable and that each ...itions and at predictable times. Conversely, the kinds and numbers of bacteria in a sample can show where and when it was taken. "I could tell you what m...

How healthy is that marsh? Biologists count parasites

...te, the more parasites," Hechinger said. "The more kinds of birds, the more kinds of trematodes, just as we predicted." Hechinger hopes to produce a manual for resources managers t...

Even a little cooling helps after cardiac arrest

...te, the more parasites," Hechinger said. "The more kinds of birds, the more kinds of trematodes, just as we predicted." Hechinger hopes to produce a manual for resources managers t...

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