Showing posts with label humans. Show all posts
Showing posts with label humans. Show all posts

Saturday, 28 November 2015

The Researchers Have Defined Age Of The First Cat

The Researchers Have Defined Age Of The First Cat.
They may not hold the title of "man's best friend," but domesticated cats have been purring around the forebears for a eat one's heart out time. Just how long? New inquire into points back at least 5300 years, at which tally felines needing rations and humans needing rodent killers may have entered into a mutually good relationship pegym edging and penis size. "We all wild cats, but they're not a cluster animal," mull over co-author Fiona Marshall said.

So "They're a separate species, and so they're in the end first-class in archeological sites, which means we just don't discern much about their history with people". New scientific methods enabled Marshall's set to show what led to cats' domestication. While dogs were attracted to citizenry living as hunter-gatherers 9000 to 20000 years ago, it looks in the same way as cats were commencement domesticated as farmer's animals herbalism. "Cats had a refractory obtaining food, and so were attracted to our millet grain.

And farmers had a hornet's nest with rodents, and found it advantageous to have cats break bread them," said Marshall, a professor of archaeology and acting seat of the anthropology control at Washington University of St Louis. The findings are published in the Dec 16, 2013 matter of the Proceedings of the National Academy of Sciences malesize.top. The authors significance out that although cats are one of the most general baby species in the world, information on the timing of their domestication has been sparse, based fundamentally on Egypt artifacts that date back about 4000 years and show the animals were habitation dwellers then.

Additional anthropological statement of the connection had also been unearthed in Cyprus, the rig notes, suggesting some form of close get hold of (although not necessarily domesticity) dating back savagely 9500 years. But an inability to sew the dots between these two periods has frustrated researchers for years. The modish revelation stems from an opinion of eight cat bones, attributed to at least two cats, unearthed near a piddling agricultural village known as Quanhucun in Shaanxi province, China.

Friday, 9 December 2011

A New Approach To Liver Transplantation In Rats Is Making Progress

A New Approach To Liver Transplantation In Rats Is Making Progress.


A unfledged technique to liver transplantation is making forward motion in prelude opus with rats, researchers say. Their handle at the Center for Engineering in Medicine at Massachusetts General Hospital (MGH-CEM) could last nub the way toward engineering fresh, functioning and transplantable liver organs out of discarded liver material, the researchers suggest rxlistbox. The research, reported online June 13 in Nature Medicine, is just at the "proof-of-concept" stage, but the tandem believes it has successfully fashioned a laboratory approach to deduct stripped down structural liver concatenation and essentially "reseed" it with newly introduced liver cells.



The motive cells are then coaxed to adhere to the innkeeper scaffolding, so that they prosper and in the end re-establish the organ's complex vascular network. Although the very complex art is still far from the quiddity at which it might be applicable to humans, the contemplation is hopeful news for the liver transplant community slovenija vepesid. Because of a severe shortage of donor organs, about 4000 Americans are destitute of potentially life-saving liver transplants each year.



Saturday, 27 August 2011

The 2009 H1N1 Virus Is Genetically Changed Over The Past 1,5 Years

The 2009 H1N1 Virus Is Genetically Changed Over The Past 1,5 Years.


Although the pandemic H1N1 "swine" flu that emerged pattern beginning has stayed genetically sure in humans, researchers in Asia claim the virus has undergone genetic changes in pigs during the remain year and a half. The scared is that these genetic changes, or reassortments, could put together a more trenchant bug. "The close reassortment we found is not itself expected to be of major sympathetic health risk, but it is an indication of what may be occurring on a wider scale, undetected," said Malik Peiris, an influenza proficient and co-author of a holograph published in the June 18 outflow of Science lumiday cost. "Other reassortments may occur, some of which postulate greater risks".



The findings underscore the influence of monitoring how the influenza virus behaves in pigs, said Peiris, who is moderator and professor of microbiology at the University of Hong Kong and systematic foreman of the university's Pasteur Research Center lotensin medicine. "Obviously, there's a lot of evolving affluent on and whenever you see some unstable situation, there's the implicit for something new to be revealed that could be dangerous," added Dr John Treanor, professor of pharmaceutical and of microbiology and immunology at the University of Rochester Medical Center in New York.



Wednesday, 29 June 2011

Extract Of Bitter Melon May Slow Breast Cancer

Extract Of Bitter Melon May Slow Breast Cancer.


A customary nutritional insert - worm of miserable melon - may help keep women from breast cancer, researchers say. Bitter melon is a prevalent vegetable in India, China and South America, and its draw is occupied in folk remedies for diabetes because of its blood-sugar lowering capabilities, according to the researchers. "When we second-hand the excerpt from that melon, we saw that it kills the breast cancer cells," said exceed researcher Ratna Ray, a professor of pathology at Saint Louis University ning members social network search israel. But their employment was done in a laboratory, not in humans, she noted.



The distressing melon extraction killed only the cancer cells, not the shape breast cells. "We didn't talk any death in the stable cells," she said. However, these results are not substantiation that bitter melon extract prevents or cures mamma cancer. "I don't into that it will cure cancer," Ray said. "It will likely delay or perhaps have some prevention Uprima chile.".



The crack was published online Feb 23 in push of print publication March 1 in Cancer Research slim fit in chennai. For the study, Ray's party treated understanding breast cancer cells with mordant melon extract, which is sold in US condition food stores and over the Internet.



The abstract slowed the growth of these breast cancer cells and even killed them, the researchers found. The next pace is to appreciate if the team can repeat these findings in animals, Ray said herbal vitoslim. If so, one trials might follow.