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Tag: "told" at biology news

Newly-discovered class of genes determines ?and restricts ?stem cell fate

...ed in adult stem cells in the skin. "Our findings told us that a recapitulation of an embryonic program is occurring in resident stem cells in adult skin," explains Jon Epstein, MD, Professor of Medicine, Cardiovascular Division. "These few rare stem cells were expressing genes that previously had only b...

Wisconsin researchers identify sleep gene

...emoved genetic modifiers from their genome. "This told us that genetic forces push hard against this phenotype to make it ineffective," Cirelli says. "Being a short sleeper is probably not a good thing. We know that the mns mutation affects mortality, but we're not sure how." In earlier studies, Tononi'...

Viral protein influences key cell-signaling pathway

...the virus from replicating almost entirely. "That told us this gene was important," he says. Subsequent research led by Lairmore showed that the p12 protein travels to the network of membranes within the cell known as the rough endoplasmic reticulum (RER). Among other things, the RER helps regulate the ...

Anti cancer virotherapy well tolerated in first human administration, research finds

...nged in the these two patients. Professor Shafren told conference delegates that these findings suggested that administration of a single dose of CVA21 directly into a cancerous tumour was well tolerated. "Administration of CVA21 may be of potential therapeutic benefit in controlling the spread of melan...

Medical whistleblowers speak out

...y." A senior official at the FDA, said Graham, had told him, "industry is our client." "The pharma-FDA complex has to be dismantled," he said, "and the American people have to insist on that, otherwise we're going to have disasters like Vioxx that happen in the future." Another lesson, says Lenzer, is t...

Double triumph in stem cell quest

... fused cell into an ESC too. The result, Verlinsky told a conference on pre-implantation genetics in London last week, is new lines of ESCs that are genetically identical to the adult donor. He calls the new cells stembrids. His claim stunned the audience. How, asked stem cell expert Alan Trounson from M...

Road salt affects mitigation wetlands

...peaks that are half as salty as sea water," Silver told attendees at the North American Benthological Meeting today (May 24) at the 2005 Joint Assembly in New Orleans. "We recorded peaks during the winter as high as 10 to 12 parts per thousand in the runoff wetland and 2.5 to 3 parts per thousand in the o...

Wake Forest scientists find new combination vaccine effective against plague

.... Steven B. Mizel, Ph.D., principal investigator, told the American Gastroenterological Association meeting in Chicago that when mice immunized with a new combination vaccine were challenged with a lethal dose of Yersinia pestis, the bacterium that causes plague, "the immune mice survived but the control...

Grass makes environmentally friendly biofuel

...g a positive impact on rural communities," Cherney told the conference. The downside? "Unfortunately grass has no political lobby, which makes the start up of any new alternative energy industry problematic," says Cherney. He notes that a pellet-fuel industry was successfully established in Europe by pro...

New study: Sexually transmitted disease treatment can be effectively administered by sex partners

...ive to their partners than the men who were simply told to inform their partners of their STD exposure. Partner referral is the most common method of attempting to control STD spread and recurrence. Health care providers ask STD-infected patients to contact their sexual partners, inform them of their ris...

Measurement Challenges In Detecting Cancer Biomarkers

...ive to their partners than the men who were simply told to inform their partners of their STD exposure. Partner referral is the most common method of attempting to control STD spread and recurrence. Health care providers ask STD-infected patients to contact their sexual partners, inform them of their ris...

New Finding May Aid Adult Stem Cell Collection

...ive to their partners than the men who were simply told to inform their partners of their STD exposure. Partner referral is the most common method of attempting to control STD spread and recurrence. Health care providers ask STD-infected patients to contact their sexual partners, inform them of their ris...

Chickadees can help humans get their bearings

...en they were only supposed to zag? A little birdie told them. In studying the spatial memory of wild-caught mountain chickadees, University of Alberta researchers were surprised to discover the birds contradicting prior research that showed how animals navigate. This study is the first to reveal a differ...

Bees, Brains and Addiction

...of biology at both the Salk Institute and UCSD. He told a gathering of scientists, high school students and community members last week that neurobiologists like himself are gaining a better understanding of human addiction by examining simpler brains, such as those of bees. Bees learn to land on a tile ...

Environmental chemical cocktail may sabotage sperm

...effects on sperm fertility. Professor Lynn Fraser told the 21st annual conference of the European Society of Human Reproduction and Embryology today (Wednesday), that her previous research had shown that certain chemicals known to mimic the female sex hormone, oestrogen, could individually affect the cor...

Thinking the pain away? Study shows the brain's painkillers may cause 'placebo effect'

...rain, and that activity increased when someone was told they were receiving a medicine to ease their pain....mography (PET) scanner. During one scan, they were told they would receive a medicine (in fact, a placebo) that might relieve pain. Every 15 seconds during...

Can two killers make a cure?

... gene was active in 21 per cent of cells, Kobinger told New Scientist. He is preparing the results for publication. "The gap between monkeys and humans is much smaller than from mice to monkeys," says Ray Pickles, a gene therapy researcher at the University of North Carolina, Chapel Hill. "This could be ...

Two designer drugs hit same lung cancer target, but only one is effective

...ponded to Erbitux. Janne says that the experiment told the scientists something new about the biology of the EGFR mutation in NSCLC. "The lesson is, to inhibit the mutant receptor, you need to inhibit the domain of the EGFR molecule that lies within the cell, as opposed to the extracellular domain," Jänn...

Did humans cause ecosystem collapse in ancient Australia?

... analyzing ancient wombat teeth. "What your mother told you is true: You are what you eat," stated co-auth...ties were preserved in the eggshells and teeth and told us what types of plants the animals ate. We saw a sudden shift in plant type coincident with the arr...

Plants discriminate between self and non self

...onger secondary roots on the non-self side," Falik told attendees at the 90th Annual Meeting of the Ecological Society of America today (Aug 8) in Montreal, Canada. The mechanism for this self/non-self discrimination could be based on either individually specific chemical recognition ?such as that known ...

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