Daily non-political popular news in brief.

Cloning the smell of the seaside

02-01-2007 · EurekAlert!

Scientists from the University of East Anglia have discovered exactly what makes the seaside smell like the seaside -- and bottled it! The age-old mystery was unlocked thanks to some novel bacteria plucked from the North Norfolk coast.

Keywords: cloning, smell, seaside

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Cloned Mice Created From Fully Differentiated Cells, A Milestone In Cloning Research
10-02-2006 · ScienceDaily
New research dismisses the notion that adult stem cells are necessary for successful animal cloning, proving instead that cells that have completely evolved to a specific type not only can be used for cloning purposes, but they may be better and more efficient. As proof, researchers report they created two mouse pups from a type of blood cell that itself is incapable of dividing to produce a second generation of its own kind.
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Human clones: New U.N. analysis lays out world's choices
11-10-2007 · EurekAlert!
In an analysis for world governments, the U.N. University's Institute of Advanced Studies warns of a stark choice: reach a compromise agreement quickly that outlaws human reproductive cloning or start preparations to protect the rights of cloned individuals from potential abuse, prejudice and discrimination. A legally-binding global ban on work to create a human clone, coupled with freedom for nations to permit strictly controlled therapeutic research, has the greatest political viability of options available to the international community, says the report.
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Personalized diets may offer relief to advanced cancer patients
03-09-2007 · EurekAlert!
Researchers at the University of Alberta studying the effects of chemotherapy and radiation therapy on the senses report that most advanced cancer patients experience unique and persistent taste and smell abnormalities, believed to be a key factor in malnutrition and poor quality of life. Their study suggests that every patient with chemosensory dysfunction has unique symptoms, and a diet tailored to his/her needs would likely improve quality of life.
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Smell experience during critical period alters brain
12-05-2007 · EurekAlert!
Genes may provide the land, but experience defines the landscape. Now, researchers at Rockefeller University show that during the first few days of life, chronic exposure to carbon dioxide rather than air alters the activity of projection neurons and interneurons in the fly brain -- research that is first to show that the olfactory system is plastic.
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Cloning is most efficient using non–stem cells
10-21-2006 · Science News Online
Fully matured cells can be used to clone animals.
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Human embryonic stem cell lines created that avoid immune rejection
12-20-2007 · EurekAlert!
In a groundbreaking experiment published in Cloning & Stem Cells, scientists from International Stem Cell Corp. derived four unique embryonic stem cell lines that open the door for the creation of therapeutic cells that will not provoke an immune reaction in large segments of the population. The stem cell lines are "HLA-homozygous," meaning that they have a simple genetic profile in the critical areas of the DNA that code for immune rejection.
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Penn study on olfactory nerve cells shows why we smell better when we sniff
03-13-2007 · EurekAlert!
Unlike most of our sensory systems that detect only one type of stimuli, our sense of smell works double duty, detecting both chemical and mechanical stimuli to improve how we smell. This finding, plus the fact that both types of stimuli produce reaction in olfactory nerve cells, which control how our brain perceives what we smell, explains why we sniff to smell something, and why our sense of smell is synchronized with inhaling.
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Pre-natal alcohol exposure shapes sensory preference, upping odds of later alcohol use and abuse
12-12-2007 · EurekAlert!
Young people whose mothers drank when pregnant may be more likely to abuse alcohol because, in the womb, their developing senses came to prefer its taste and smell. Researchers with the State University of New York Developmental Ethanol Research Center have found that because the developing nervous system adapts to whatever mothers eat and drink, young rats exposed to alcohol (ethanol) in the womb drank significantly more alcohol than nonexposed rats.
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Mass. General researchers identify master cardiac stem cell
11-22-2006 · EurekAlert!
Researchers from the Massachusetts General Hospital Cardiovascular Research Center have discovered what appears to be a master cardiac stem cell, capable of differentiating into the three major cell types of the mammalian heart. In a report to appear in the journal Cell, receiving early online release, they describe identifying these progenitor cells in mice, cloning them from embryonic stem cells, and showing that cloned cells can differentiate into cardiac muscle, smooth muscle or endothelial cells.
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DFG remains skeptical of the cloning of human cells
01-22-2008 · EurekAlert!
According to a paper published in the journal Stem Cells, an American group has succeeded in inserting cell nuclei from human skin cells into human enucleated oocytes and to stimulate these new cells to undergo cell division in the laboratory.
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