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Enzyme, lost in most mammals, is shown to protect against UV-induced skin cancer

In a finding that broadens our insight intothe cause of certain kinds of UV-induced skin cancer, researchers atErasmus University Medical Center (Rotterdam, The Netherlands) haveemployed an evolutionarily ancient enzyme-repair system to identify theprincipal type of DNA damage responsible for the onset of skin-tumordevelopment. The researchers' findings also suggest that this enzymesystem m...

Master gene controls healing of skin in fruit flies and mammals

University of California, San Diego biologists and their colleagues have discovered that the genetic system controlling the development and repair of insect cuticle--the outer layer of the body surface in insects--also controls these processes in mammalian skin, a finding that could lead to new insights into the healing of wounds and treatment of cancer. The UCSD biologists' study, publish...

Unlike other mammals, newborn dolphins and orcas stay active 24/7 during first months of development

If you thought the sleep-deprived months with your newborn were tough, pity the poor mother dolphin or killer whale. Reporting in the June 30 edition of the peer-reviewed journal Nature, UCLA/Veterans Affairs neuroscientists report a developmental pattern in bottlenose dolphins and killer whales that is unique from other mammals, with calves of both species active 24 hours a day during th...

Oxygen increase caused mammals to triumph, researchers say

The first, high resolution continuous record of oxygen concentration in the earth's atmosphere shows that a sharp rise in oxygen about 50 million years ago gave mammals the evolutionary boost they needed to dominate the planet, according to Paul Falkowski, Rutgers professor of marine science and lead author of a paper published Sept. 30 in the journal Science. Falkowski and his colleague...

Evolutionary conservation of a mechanism of longevity from worms to mammals

Though the study of aging in the nematode model organism C. elegans has provided much insight into this complex process, it is not yet clear whether genes involved in aging in the worm have a similar role in mammals. In a recent study, Dr. Hekimi and colleagues of McGill University (Canada) report that inactivation of the gene mclk1, the murine ortholog of the C. elegans gene clk-1, results in i...

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Mammals microRNA Microarray from LC Sciences

Description:Microarrays designed for genome-wide microRNA expression profiling and built on the flexible and powerful Paraflo microfluidic on-chip synthesis platform. These microarrays are available as part of our comprehensive microRNA Expression Profiling Service. The Mammals microRNA Microarray contains all known mammal microRNAs (802 unique mature sequences). The comprehens...
Company:LC Sciences
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Mammals at Biology Dictionary

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Mammals

Many , have endogenous clocks. But all of these are under the control (more or less, see note) of a "master clock", the suprachiasmatic <a href="/ ?q=/ Biology-Dicti...
Mammals at Medicine News

Pollutant TBT Affects Hearing in Marine Mammals

According to the researchers from Yale School of Medicine it is found that chloride ions are critical to hearing in mammals//. Joseph Santos-Sacchi, professor in the Departments of Surgery and Neurobiology and first author of the study said that hearing in marine and other mammals could be affected by environmental toxins, such as TBT (tributyl tin). The study indicates that this envir...

Scientist Observes real Time Generation of Neurones in Mammals

A scientist at the Hebrew University of Jerusalem says that he has observed the real time generation of neurones in a mammals brain, the first ever claim of such kind in the world. Dr. Adi Mizrahi of the Department of Neurobiology, Alexander Silberman Institute of Life Sciences, used mouse models to study how neurones develop from an undifferentiated cellular sphere into a rich an...

One-sixth of Europe's Mammals Face Extinction, Warns Conservation Experts

A comprehensive survey carried out by the World Conservation Union (IUCN) has said that a sixth of Europe's mammal species is threatened with extinction. Unless the trend is reversed, conservationists fear that the European Union will not be able to meet its self-imposed target of halting biodiversity loss by 2010. Of the roughly 250 mammal species that live in Europe...
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(Date:11/17/2008)...R, Mich.---The blood-thinning drug heparin is high...clots in veins, arteries and lungs, but earlier th...when contaminated heparin products caused serious ...eaths. , Now, University of Michigan researchers...r detecting contaminants in heparin, a development...
(Date:11/17/2008)...ulnerable use the least sunscreen, have greatest d...Day News) -- That basic rule, "know thyself," can ...ing into a skin cancer risk, Australian dermatolog...cationers identified three groups of people with d...rs, according to a report in the December issue of...
(Date:11/17/2008)...e, MD Researchers are investigating microneedles,...ew techniques to combat the leading cause of visua...ccording to a report from the Third Annual ARVO/Pf... The report ( http://www.iovs.org/cgi/content/ful...ons on techniques for ocular drug delivery to the ...
(Date:11/17/2008)...ng infectious diseases while meeting escalating co...s, with one of the main issues being the ability t...ectious diseases. While this may sound simple, en...ach country that needs them remains a challenge un...cted and understood. A new and improved scientifi...
Breaking Medicine News(10 mins):Health News:Study Singles Out Beachgoers' Skin Cancer Risk 2Health News:Study Singles Out Beachgoers' Skin Cancer Risk 3Health News:Conference report highlights new research into drug delivery to treat eye disease 2Health News:Applying 'supply and demand' business principles to treat infectious diseases worldwide 2
(Date:11/17/2008)...anding, California--Off the coast of Central Calif...ght orange metal pyramid about the size of two com...thin the metal pyramid is the heart of the Montere...-sea ocean observatory offshore of the continental...s in the making, the MARS Observatory went "live" ...
(Date:11/17/2008)...NA, Calif.--The bacterial cell wall that is the ta...ctually made up of a thin single layer of carbohyd...ap around the bacterium like a belt around a perso...t the California Institute of Technology (Caltech)...re in three dimensions was made possible by new hi...
(Date:11/17/2008)... are different, both physically and mentally, but ...the thought of scientists for decades now. But wit...n, the University of Alberta,s Tim Caulfield is co...attitudes. , Just last year Nobel Prize winning...esponsible for creating differences in human intel...
(Date:11/17/2008)...ech, Morocco, November 17, 2008 The International... (ICCAT) will meet from November 17- 24 in Marrake...Mediterranean bluefin tuna from collapse. , ICC...mpending collapse, with its own review panel sayin...hery is an "international disgrace" and a "travest...
Breaking Biology News(10 mins):New deep-sea observatory goes live 2New deep-sea observatory goes live 3New deep-sea observatory goes live 4Caltech researchers get first 3-D glimpse of bacterial cell-wall architecture 2Could genetic research awaken racist attitudes? 2Tuna Commission to decide the future of Mediterranean bluefin 2Revolutionary HD Surgical Footage from North Shore LIJ Surgeon to be Broadcast for the First Time on ABCs 20 20 National Geographic Channel 781 1Revolutionary HD Surgical Footage from North Shore LIJ Surgeon to be Broadcast for the First Time on ABCs 20 20 National Geographic Channel 781 2Tulane University to receive 2414M for international HIV AIDS program 780 1Tulane University to receive 2414M for international HIV AIDS program 780 2Multi Year Compendium of Pharmaceutical Case Studies Available from Best Practices LLC 776 1Multi Year Compendium of Pharmaceutical Case Studies Available from Best Practices LLC 776 2Pharmaceutical Manufacturing Quality 3A Optimizing Your Internal Process for FDA Compliance 772 1Pharmaceutical Manufacturing Quality 3A Optimizing Your Internal Process for FDA Compliance 772 2
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