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Tag: "pigs" at biology news

Purdue scientists may have found key to halting spinal cord damage

...els of acrolein in the injured spines of 25 guinea pigs for several days following an injury," Shi said. "We found that levels of acrolein peak 24 hours afterward, and they remain high for at least a week. Because acrolein has such a long lifespan and is so toxic, we theorize that it is primarily responsi...

A vaccine to kill tapeworm

A Vaccine for pigs could help save the 50,000 people a year in poor c...se. While humans are the main host for T. solium, pigs are the intermediate host, and an essential step in the tapeworm's life cycle. If a pig eats the egg...

Public release of pig genomic sequences

...ls. This has important implications for the use of pigs in medical research and drug testing. Thus, the av... only 5.4 million people, produces app. 25 million pigs per year. BGI is a leading genomics research institution in the promotion of genomics in agricultur...

‘Blue Brain?project explores thought at molecular level

...ls. This has important implications for the use of pigs in medical research and drug testing. Thus, the av... only 5.4 million people, produces app. 25 million pigs per year. BGI is a leading genomics research institution in the promotion of genomics in agricultur...

UCLA scientists reveal how Nipah virus infects cells

...mal embryos. Ephrin-B2 is found in humans, horses, pigs and bats, which may explain why the infection can ...lop them as therapeutic drugs," said Lee. "Because pigs are particularly susceptible to Nipah infection, public health officials could use these drugs to pr...

Elusive salamanders have role in developing new sampling models

...amanders at a Georgia military base are the guinea pigs for Oak Ridge National Laboratory researchers whose goal is to develop methods to better determine whether a species has vanished. After not finding any flatwoods salamanders since 2001, Fort Stewart biologists were a bit concerned and were looking ...

New antibody shows promise as cure for anthrax

...have tested the re-engineered antibody with guinea pigs to determine if the antitoxin could protect against a true infection with anthrax spores. "We expected the antitoxin to extend the lifespan of the infected animals," says Patterson, "but since we did not couple it with antibiotics, we thought that t...

Agricultural workers at increased risk for infection with animal flu viruses

...at processors who routinely come into contact with pigs in their jobs have a markedly increased risk of in...igher risk of infection coupled with the fact that pigs can be infected by swine viruses, bird (avian) viruses as well as human flu viruses--thereby acting ...

Brazilians sequence genes of pig and poultry killers

...ria. Mycoplasma hyopneumoniae causes pneumonia in pigs and costs the Brazilian pig-breeding industry US$200 million each year. Mycoplasma synoviae is a related bacterium that causes respiratory disease in chickens and turkeys. The researchers also identified the genetic sequence of a non-pathogenic stra...

'Banana-jawed' fossil mammal linked to rare sound-producing skill

...e about the size of rabbits, look much like guinea pigs and have a penchant for sunbathing," Simons said. "Seven species of hyraxes now inhabit a swathe from the Middle East to southern Africa." From previous studies, scientists knew that Thryohyrax, along with numerous other early hyracoid relatives, ha...

Potential heart benefit found in stem cells

...hesis, the researchers induced heart attacks in 17 pigs by way of an angioplasty balloon and harvested stem cells from the animals' subcutaneous fat tissues (ADSC, adipose derived stem cells). After repairing the hearts, a suspension including the ADSC was injected through the balloon into the heart. Af...

Plant-derived vaccines safeguard against deadly plague

...hallenge with all forms of the antigen, and guinea pigs vaccinated with V antigen alone had the highest survival rates. "This study provided validation of our plant expression system, that it can produce the bacterial antigens in a native form that will allow for an appropriate immune response against ...

UC Davis researchers move biotechnology closer to replacing electronic pacemakers

...delivery system to restore normal heart rhythms in pigs with electronic pacemakers, reducing their depende...re able to reconstruct the SA node of the heart in pigs with implanted electronic pacemakers. The SA node is normally located on the right atrium, the upper...

New GI technologies improve internal organ visualization

...ntions into the heart and coronary arteries in six pigs and two human patients. Endoscopic ultrasound (EUS) is frequently performed with a scope to visualize and detect abnormalities in the GI tract. Using EUS to guide them, researchers punctured the myocardium and aortic valve or coronary artery in th...

Successful transplantation from pig embryos to mice

...se. However, embryonic tissues, such as those from pigs (in which the insulin-producing cells are similar ...y first implanted embryonic pancreatic tissue from pigs into mice that lacked an immune system of their own, but had human immune cells injected into them. ...

UGA researchers find that hunting can increase the severity of wildlife disease epidemics

... a highly infectious disease threatening boars and pigs in Europe, hunting can increase the number of infected individuals by twenty five percent. "If we want to preserve the hunted population, we should be careful about when we schedule the hunting season compared to birth season because if it's too ea...

Transgenic goat's milk offers hope for tackling children's intestinal disease

...altered the intestinal bacteria in young goats and pigs that were fed the milk. The researchers hope the...n-transgenic goats was fed to the control group of pigs and goats. The pigs were chosen because they have a digestive system similar to humans and are of...

Vaccine shown effective against chancroid

... infection. Blood tests showed that the immunized pigs formed antibodies that prevented the chancroid bacteria from binding hemoglobin and, hence, obtaining the heme it needs to survive, the authors said. In skin biopsies of the immunized animals, the researchers found no viable chancroid bacteria. An...

A transplant in time

... them. By taking spleen tissue from embryonic pigs over the course of gestation, they found that the harmful T cells are not present in the tissue prior to day 42 of gestation. The scientists also found that tissue of this age exhibits optimal growth potential as well as secreting factor VIII, the bl...

Longer-lived rodents have lower levels of thyroid hormone

... Mice live to about three and a half years; guinea pigs live to six years; Damara mole-rats to 15 years; and naked mole-rats to 28 years. The animals were of different ages, but at comparable points in their life spans. For example, the mole-rats, which live 28 years, were two years old. The mice, whic...

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