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Longevity at Biology News

The secret to longevity in tubeworms

With an incredible lifespan of up to 250 years the deep sea tube worm, Lamellibrachia luymesi is among the longest-lived of all animals, but how it obtains sufficient nutrient ?in the form of sulfide - to keep going for this long has been a mystery. In a paper just published in the premier open-access online journal PLoS Biology, Erik Cordes and colleagues now provide a solution: by releasing its...

Sexual cooperation: Mating increases longevity in ant queens

The phenomenon of sexual conflict is a powerful driving force in the evolution of reproductive biology for many animal species. Males often try to manipulate their female mates during copulation--for example, by traumatic inseminations (as in the case of bed bugs) or by the transfer of toxic seminal fluids (as in the case of the fruitfly Drosophila). These manipulations are beneficial to males be...

Signs of aging: Scientists evaluate genes associated with longevity

Scientists at the BC Cancer Agency's Genome Sciences Centre in Vancouver, British Columbia, Canada, and at the University of Missouri-Columbia have collaborated on a detailed study to elucidate gene-expression patterns implicated in the aging process. Their results appear online today in the journal Genome Research. Led by Dr. Angela Brooks-Wilson, Senior Scientist at the BC Cancer Agency'...

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...

For the first time: Longevity modulated without disrupting life-sustaining function

Within a hormone-triggered cascade of molecular signals that plays a crucial for a wide range of physiological functions, researchers for the very first time have identified a protein that functions specifically to extend lifespan and youthfulness -- without disrupting fertility, immunity or the organism's response to stress. "In past experiments, meddling with this versatile pathway to ex...
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Antioxidants used for longevity

A natural antioxdant enzyme called superoxide dismutase (SOD) lacking in mice paves the way towards new treatment for brain degenerative diseases. It is known that oxidative damage plays an important role in brain degeneration of the kind seen in Alzheimer's, Parkinson's and other neurological diseases. Researchers, in California, have developed a mouse model for studying oxidative damage and how...

Smoking stripes longevity

Scientists have devised that each cigarette cuts on average 12 minutes off the life of a smoker. It is based on the difference in life expectancy between smokers and non-smokers and an estimate of the total number of cigarettes a regular male smoker might consume in a lifetime. The researchers, from the Univeristy of Bristol, took their figures on life expectancy from a major study of...

HDL - Key to Longevity

Families who live long and healthy lives probably have significantly larger high-density lipoprotein (HDL) and low-density lipoprotein (LDL) particles, according to a new study. //Lipoproteins are the particles that carry fat through the blood. Previous studies suggest genetic determinants are highly heritable. This study's goal was to identify the specific biological or genetic factors...

Genes to Extend Longevity Discovered

Calorie restriction seems to be the key to extend the lifespan of many species through Sir2 gene.// Researchers from Harvard Medical School, Boston and University of California, Davis, screened for genes that could increase yeast lifespan via Sir2 gene. According to the study published today in the advance online edition of Science, “Yeast and Drosophila lacking the Sir2 gene do not l...

Important parameters of life: Longevity and quality: both improved by exercise

“The grapes are sour!” is a very famous saying which refers to an attitude when we know something is good but are unable to achieve it and so feign that we are not concerned about it//. The same can be said about exercise! Everybody knows it's good; yet many people still avoid it, forgoing its potential health benefits. Contrary to the above statement researchers at the Univers...

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(Date:11/17/2008)...io Biomedical Corporation (AMEX:INO), a leader in ...ctroporation-based DNA delivery, announced today t...tional interim results from its ongoing phase I/II...inst hepatitis C virus (HCV). This vaccine is bein...ased DNA delivery system. In the third and highest...
(Date:11/17/2008)...ships between scientists and the news media have e...ientists should continue to improve communications... to a Wake Forest University researcher whose comm...urnal. , David P. Friedman, Ph.D., professor of ...ity School of Medicine, says in the article that u...
(Date:11/17/2008)...ng a key lung test, experts say, , , ... three adults who,ve been told they have asthma ma...n research claims. , The study, published in th...on Journal , included nearly 500 adults from eight...percent of those diagnosed with asthma had been mi...
(Date:11/17/2008)...new exactly what a breast cancer cell needs to spr...the disease: metastasis. New research from the Uni... Medicine takes a step in that direction. , Caro...ty of breast cancer cells to migrate by knocking d..., They also found higher levels of palladin in f...
Breaking Medicine News(10 mins):Health News: Hepatitis C Therapeutic DNA Vaccine Delivered by Inovio Biomedical's Electroporation Technology Reduces Viral Load by Up to 99.7% : Clinical Data Presented at Annual Scientific Meeting of the American Association for the Study of Liver Diseases 2Health News: Hepatitis C Therapeutic DNA Vaccine Delivered by Inovio Biomedical's Electroporation Technology Reduces Viral Load by Up to 99.7% : Clinical Data Presented at Annual Scientific Meeting of the American Association for the Study of Liver Diseases 3Health News: Hepatitis C Therapeutic DNA Vaccine Delivered by Inovio Biomedical's Electroporation Technology Reduces Viral Load by Up to 99.7% : Clinical Data Presented at Annual Scientific Meeting of the American Association for the Study of Liver Diseases 4Health News:Award-winning researcher says relationships with news media, public are critical 2Health News:Award-winning researcher says relationships with news media, public are critical 3Health News:Nearly 1 in 3 Asthma Cases May Be Misdiagnosed 2Health News:Nearly 1 in 3 Asthma Cases May Be Misdiagnosed 3Health News:UNC researchers find clue to stopping breast-cancer metastasis 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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