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Tan in Biological News

Time (and PPAR-beta/delta) heals all wounds

...maintenance, but how do skin cells know when to proliferate and at what rate? In the March 23, 2009 issue of the Journal of Cell Biology , Nguan Soon tan and colleagues reveal that skin fibroblasts use a protein called PPARβ/δ to make sure overlying epithelial cells don't proliferate too quick...

Young dinosaurs roamed together, died together

...in-Residence. "These youngsters were roaming around on their own," remarked tan Lin, from the Department of Land and Resources of Inner Mongolia. Withi...serve stomach stones and the animal's' last meals are preserved. Sereno, tan and Zhao Xijin, professor in the Chinese Academy of Sciences, led the 2001 ...

DNA evidence is in, newly discovered species of fish dubbed H. psychedelica

... "Psychedelica" seems the perfect name for a species of fish that is a wild swirl of tan and peach zebra stripes and behaves in ways contrary to its brethren. So says University of Washington's Ted Pietsch, who is the first to describe the...

Human genomics in China

...th this scientific and historical background, in July 1997, the academician tan Jia-Zhen petitioned the central government, appealing for the protection o...these disciplines were severely hampered, with few scientists such as Prof. tan Jia-Zhen to be the only leading scientist to defend Morgan's theory for a ...

Vitiligo skin disorder could yield clues in fight against melanoma

...ad vitiligo since she was 30. It's on her face, arms, legs and hands. The patches are more noticeable during the summer, when Kalnicky develops a deep tan while watching her three daughters play softball. "I get a lot of questions when I'm out in public," she said. "And some occasional stares." Kalnic...

More than skin deep: There's no such thing as a 'safe' suntan, researchers warn

... There may be no such thing as a 'safe' tan based on ultraviolet (UV) radiation, according to a series of papers publis... DNA damage caused by UV exposure. This leads them to suggest that a 'safe' tan with UV may be a physical impossibility. The authors conclude: "UVR [ult...

Drought tolerance in potatoes

...pecies at the annual meeting of the American Society of Plant Biologists in Mrida, Mexico (June 29, 8:30 AM). From tiny dark blue tubers to huge tan bakers, potatoes come in an astonishing variety of colors and sizes, reflecting their genetic variety as well as their long history of cultivation. P...

Study shows single insecticide application can kill 3 cockroach generations

...insecticide through any method, said Buczkowski, director of the Purdue Industrial Affiliates Program. Adult German cockroaches are a shiny orangey tan and about half an inch long. The youngest nymphs, as used in this study, are called first instars and are one to five days old. Nymphs go through five...

Advance in effort to fight malaria by tricking the mosquito's sense of smell

... These receptors are highly sensitive, which suggests that the maxillary palps may serve as the malaria mosquitos long-range detection system, says tan Lu, a graduate student at Vanderbilt who is the papers first author. We havent proven it yet, but the implication is that if you took away the maxil...

Newly created cancer stem cells could aid breast cancer research

... 2007) In some ways, certain tumors resemble bee colonies, says pathologist tan Ince. Each cancer cell in the tumor plays a specific role, and just a fract...d metastasis, which is the main cause of cancer mortality in the clinic. tan has demonstrated that a critical determinant of eventual metastasis is the ...

'Guardian of the genome' protein found to underlie skin tanning

...vel of cancer protection: By prompting the skin to tan in response to ultraviolet light from the sun, it ...or for melanoma is an inability to tan; people who tan easily or have dark pigmentation are far less like...uspected ?way. The protein not only causes skin to tan in response to sunlight, it may also underlie peop...

New research promising for improving brain cell survival after brain injury

... they have experienced traumatic injury. Prof tan said that because this protein is "over-expressed"...eurons to survive in a stressed environment," Prof tan said. "We have tested this hypothesis in mice...ll survival, instead of death," he said. Prof tan is the first to show that this mechanism can be fr...

Biologists discover new pathway into plant cells

...grity. This is a significant fundamental advance in our understanding of plant biology." The research was done with a pathogenic fungus that causes tan spot of wheat, a costly plant disease that is found around the world, and in some places can cause crop losses ranging up to 50 percent. These fungi p...

Scientists closer to new cancer detection method

...ort through the signals from the other molecules," tan said. "This technique solves the problem caused by...nd Biophotonics at the University of Buffalo. "Dr. tan and his colleagues were able to address that with ...ng James Yang, a chemistry doctoral student in the tan group and the first author of the paper. "Put the ...
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