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Cattle in the United States are generally managed to either produce milk or to produce beef. However, in most of the world, cattle are counted on to do both in what are called dual-purpose production systems.
Researchers from the University of Pennsylvania and Michigan State University presented new preclinical data this week that evaluates the efficacy of a gene therapy treatment for achromatopsia, a rare inherited retinal disease that involves cone cells. The disease affects humans as well as dogs.
Like a beloved pair of jeans, human DNA accumulates damage over time, and older people’s bodies can’t repair it as well. Many scientists believe a build up of damage can cause cells to enter an irreversible dormant state known as senescence.
The brain is a privileged organ in the body. So vital to life, the brain is protected from alterations elsewhere in the body by a highly regulated gateway known as the blood-brain barrier, which allows only selected molecules to pass through.
Penn's health schools are celebrating National Public Health Week by featuring stories that highlight public health efforts across the University. Follow along on Twitter at #PennOneHealth. ***
Colon cancer is a heavily studied disease — and for good reason. It is one of the leading causes of cancer-related deaths worldwide, and its numbers are on the rise, from 500,000 deaths in 1990 to 700,000 in 2010.
Researchers are one step closer to unraveling the extraordinarily complex series of processes that lead to an event crucial to human reproduction: the creation of sperm.
Niemann Pick Disease type C, or NPC, is a disease most people have never heard of, affecting just one person in 150,000. Yet the disease is a devastating one. Frequently diagnosed in children in their elementary school years, sufferers usually die by the time they’re 20.
If you were about to enter a crowded subway during flu season, packed with people sneezing and coughing, wouldn’t it be helpful if your immune system recognized the potentially risky situation and bolstered its defenses upon stepping into the train?
“In today’s world, the stereotype of the nerdy scientist, by himself, looking at a microscope, is no longer accurate and no longer useful,” says Gabriel Innes, a third-year student in the University of Pennsylvania School of Veterinary Medicine.
James Serpell of the School of Veterinary Medicine says that some cats are perfectly happy within the confines of the home, while others have a greater desire to wander, explore, and investigate.
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James Serpell of the School of Veterinary Medicine says that the domestic cat suffers from its legacy of being a not-quite-wild animal on the margins of society.
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Deborah Silverstein of the School of Veterinary Medicine says that the dogs most at risk for respiratory illness are those with low immunity, such as young puppies, the unvaccinated, or older dogs, and potentially short-nosed breeds.
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Deborah Silverstein of the School of Veterinary Medicine says that more dogs may be getting severely ill because they have been infected with multiple pathogens at the same time.
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Deborah Silverstein of the School of Veterinary Medicine explains how to protect dogs from the recent respiratory outbreak.
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