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Tag: "chicken" at biology news

New vaccine prevents CMV infection and disease in mice

...ich are also found in other herpes viruses such as chicken pox or herpes simplex – have the same or very similar sequence, structure and function whether in human or mouse viruses, and present a novel target for the host’s T-cells to muster forces and attack the virus. Secondly, the vaccine also contains a “...

'Insulator' helps silence genes in dormant herpes virus

...east and chicken, namely the yeast mating loci and chicken globin locus. To see if insulators play a role in silencing viral genes during the latent phase, Zhou and his group studied cells infected with HSV-1. The studies showed that during a latent period, the virus binds to a host protein called CTCF, a...

Biodegradable microspheres deliver time release vaccines, stimulate different immune response

...microspheres loaded with ovalbumin, a protein from chicken eggs, and measured immune reponse. While mice exh...ost effective, such as tetanus, whooping cough and chicken pox. "The slow release mechanism of the polymers means that vaccines that currently require mult...

Arsenic in chicken feed may pose health risks to humans, C&EN reports

... food additives. An arsenic-based additive used in chicken feed may pose health risks to humans who eat meat ...ne, the most common arsenic-based additive used in chicken feed, is used to promote growth, kill parasites and improve pigmentation of chicken meat. In its ori...

Eating with our eyes: Why people eat less at unbused tables

...ents at a sports bar where an open buffet featured chicken wings during the Super Bowl; some tables were bused and some were left unbused. To use environmental cues to curb overeating and overdrinking, Wansink suggested that college parties could encourage (or require) fresh plastic glasses for each drink ...

Bypassing eggs, flu vaccine grown in insect cells shows promise

...the production of millions of eggs. Not relying on chicken eggs might also be advisable in case a bird flu pandemic hits chicken flocks hard. The insect-cell technology also simplifies the manufacturing process in another way: A ...

Protein fragments sequenced in 68 million-year-old Tyrannosaurus rex

...extracts of T. rex bone reacted with antibodies to chicken collagen, further suggesting the presence of birdl...identical matches to amino acid sequences found in chicken collagen alpha I, while others matched newt and frog. For extinct species, the real goal is to fi...

Stem cell transplants explored at Stanford as a possible treatment for hearing loss

...ifferentiate after transplantation in the ears of chicken embryos. The two different approaches - new drugs and stem cell transplants - are important because drug treatments are unlikely to help everyone. For some people with genetically caused hearing disorders, he explained, no drug is likely to hel...

Bird sex is something else

... and mice. In several types of finch and embryonic chicken brain tissue, Z chromosome genes were expressed up to 40% higher in ZZ males than ZW females. This contrasts with findings from the mammal samples, where dosage compensation meant that the male: female ratio of X-linked genes is similar to that of au...

Meat and two neutrons -- the key to a longer life

Indulging in an isotope-enhanced steak or chicken fillet every now and again could add as much as 10...the "age-defying" isotopes indirectly in steaks or chicken fillets, for example, rather than eating chemically enhanced products themselves. Shchepinov says an...

'Protecting virus' offers instant flu protection and converts flu infections into their own vaccines

...n their drinking water. One dose should protect a chicken for weeks. Flu is a major problem in the horse racing industry and in domestic horses. It also has very recently become a problem in domestic dogs in the USA and domestic cats are susceptible to H5N1 virus. The Warwick research team has now filed...

Edible coatings will be the packaging of the future

...ned the application of edible coatings with WPI on chicken breasts. The aim was to analyse the effect on thei...The idea was to extend the conservation time for a chicken breast would go from the current 7 days to 15, but the results were negative. However, a very intere...

Neural networking nanotubes

...uding deposition and resemble a rolled up sheet of chicken wire, but on a tiny scale. They are usually just a few nanometers across and up to several micrometers in length. The researchers built up layers of their SWNTs to produce a film that is electrically conducting even at a thickness of just a few n...

Embryonic patterning makes the feathers fly

How the chicken got its feathers in the right place is not a Rudya...rning, the researchers set up a cultured embryonic chicken skin model and targeted a variety of potential downstream signaling pathways with specific inhibitor...

Holiday gluttony can spell disaster for undiagnosed diabetics

... portions of food, even healthy food. Eat skinless chicken or turkey. Use low-calorie ingredients when making treats. Exercise regularly. Go on walks to see holiday displays. If you are an appropriate weight for your age, maintain your weight. In certain ethnicities, such as Asians, even modes...

Scientists find a key to immune system's ability to remember

... other pathogens is why we only get the measles or chicken pox once, and is why exposure to deactivated virus particles in vaccines confers protection from disease. But how that memory system works -- how it acts at the finest level of detail to thwart the pathogens that invade our bodies -- is not well un...

Origen publishes in Nature a robust and versatile method for creating transgenic chickens

...iple, make any genetic modification desired to the chicken genome, including the insertion of genetic element... of human therapeutics and the modification of the chicken immune system to produce novel human sequence polyclonal antibodies. Moreover, the new technology op...

Innovative method for creating a human cytomegalovirus vaccine outlined

...the herpes simplex viruses, the viruses that cause chicken pox (varicella-zoster virus), and infectious mononucleosis (Epstein-Barr virus.) Infectious transmission is via body fluids. ...

Making a face: A new and earlier marker of neural crest development

... of biology and development reach far beyond these chicken and eggs." Based on work from the 1940's before molecular tools were available, the neural crest was thought to form by interactions between neural and non-neural cell layers. "We show in this work that neural crest stem cell precursors are design...

Researchers identify human DNA on the fast track

... years separating the evolutionary lineages of the chicken and the chimp. Incredibly, since the human lineage separated from that of the chimp, 18 of the 118 nucleotides have changed. This region "stood out," said Pollard. But what does it do? To find out, Pollard began working with the wet lab, led by Sof...

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(Date:7/9/2014)... Vasectomy was associated with a small increased risk of ... lethal prostate cancer according to a new study from ... that the association remained even among men who received ... cancer cannot be explained by diagnostic bias. It is ... look at the link between vasectomy and prostate cancer. ...
(Date:7/9/2014)... of signals active in almost all types of cancer ... and may help fuel a tumour,s uncontrolled growth, new ... Research, London, identified a molecular trigger responsible for ratcheting ... cellular factory that makes the building blocks cancer cells ... TOR signalling pathway, called SREBP, controls the flow of ...
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(Date:7/9/2014)... drug users in Russia might contribute to HIV ... conducted by researchers from Boston University Schools of ... Petersburg Pavlov State University, sought to discover the ... of a cohort of HIV-positive people with lifetime ... arrested by police were more likely to share ...
(Date:7/9/2014)... news release is available in French . ... factors in 14 year old teens, including brain structure and ... 70% accuracy who will go on to develop binge drinking ... of conscientiousness, and other variables such as life events and ... of binge drinking. Whether or not the child had ...
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