Overweight & Obesity

Team pieces together signaling pathway leading to obesity

As scientists probe the molecular underpinnings of why some people are prone to obesity and some to leanness, they are discovering that weight maintenance is more complicated than the old "calories in, calories out" adage.

Diseases, Conditions, Syndromes

Researchers find bat influenza viruses unlikely threaten human health

Bats seen at Halloween this year may not be quite as scary as they appear – at least when it comes to the spread of specific viruses. A research project conducted in part by a team of researchers in the College of Veterinary ...

Medical research

Penn vet professor investigates parasite-schizophrenia connection

Many factors, both genetic and environmental, have been blamed for increasing the risk of a diagnosis of schizophrenia. Some, such as a family history of schizophrenia, are widely accepted. Others, such as infection with ...

Immunology

Invading worms cause the body to shut down defenses

When parasitic worms invade muscle tissue, white blood cells called eosinophils rush to the scene. A study published in the Journal of Immunology this month reveals that these cells actually start a chain reaction that stops ...

Medical research

Optogenetics shed light on cardiac, lung, immune disease

New technologies involving optogenetic proteins, which use light to control and observe cells with unprecedented precision, have begun to illuminate processes underlying cellular behavior and the effects of cell- and gene-based ...

Diseases, Conditions, Syndromes

Humans and companion animals harbor the same types of MRSA infections

A shared population of methicillin-resistant Staphylococcus aureus (MRSA) bacteria circulates both in humans and companion animals, according to a study published this week in mBio, the online open-access journal of the American ...

Autism spectrum disorders

Study confirms mitochondrial deficits in children with autism

Children with autism experience deficits in a type of immune cell that protects the body from infection. Called granulocytes, the cells exhibit one-third the capacity to fight infection and protect the body from invasion ...

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