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Can we repair the brain? The promise of stem cell technologies...

Sections of rat brain transplanted with human cells in a preclinical model of PD are being prepared for analysis. Credit: Claire Henchcliffe Cell replacement may play an increasing role in alleviating the motor symptoms of Parkinson's disease (PD) in future. Writing in a special supplement to the Journal of Parkinson's Disease, experts describe how newly…

Why too much DNA repair can injure tissue

At left, photoreceptor cells of the retina have undergone severe damage after treatment with an alkylating agent. This damage is exacerbated by the DNA repair enzyme Aag. At right, photoreceptor cells lacking Aag appear normal following treatment with the alkylating agent. Credit: Image courtesy of the researchers DNA-repair enzymes help cells survive damage to their…

Effect of breastfeeding versus pumping on human milk microbiome

This graphical abstract shows how human milk microbiota has a strong association with feeding method (i.e., pumped versus directly at the breast). Credit: Moossavi et al./Cell Host & Microbe A large-scale analysis in humans reveals that indirect breastfeeding using pumped milk is associated with the depletion of oral bacteria and a higher abundance of potential…

Turning desalination waste into a useful resource

Illustration depicts the potential of the suggested process. Brine, which could be obtained from the waste stream of reverse osmosis (RO) desalination plants, or from industrial plants or salt mining operations, can be processed to yield useful chemicals such as sodium hydroxide (NaOH) or hydrochloric acid (HCl). Credit: Illustration courtesy of the researchers The rapidly…

Slower runners benefit most from elite methods

Shalaya Kipp, left, conducts a treadmill test in the Locomotion Lab at the University of Colorado Boulder. Credit: CU Boulder Think state-of-the-art shoes, performance diets and well-thought-out racing strategies are only for elite runners? Think again. In reality, the slower you are, the more such measures improve your finish times, suggests new University of Colorado…

New skin test detects prion infection before symptoms appear

Prions can infect both humans and animals, causing Creutzfeldt-Jakob disease (CJD) in humans, mad cow disease in cattle, and chronic wasting disease in elk...

Energizing the immune system to eat cancer

Immune cells called macrophages are supposed to serve and protect, but cancer has found ways to put them to sleep. Now researchers at the...

Viagra Could Become the Next Cancer Drug

Developing a new drug from scratch is hard work — it takes a tremendous pile of cash, not to mention several years, to go...

Gruesome case of flesh-eating bacteria has beach city anxious, skeptical

Authorities and vacationers in Myrtle Beach, South Carolina, are waiting anxiously for more information on a case of flesh-eating bacteria that struck a Lumberton,...

Boosting These Immune Cells Could Fight Allergies

Type 1 regulatory (Tr1) cells are a type of regulatory immune cell that help suppress immune responses, including inflammation and tissue damage, but very...

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