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National Institute of Health News

Some Down syndrome problems reversed in mice

NIH Recherche Médicale - mar, 26/11/2019 - 00:00
In a mouse model of Down syndrome, blocking a cellular pathway in brain cells improved learning and memory.

Targeting gut bacteria to treat alcoholic hepatitis

NIH Recherche Médicale - mar, 26/11/2019 - 00:00
A therapy targeting bacteria that make a specific toxin lessened alcohol-associated liver disease in a mouse study.

Some melanomas may start in hair follicles

NIH Recherche Médicale - mar, 26/11/2019 - 00:00
A rare form of skin cancer may sometimes start with cancer-causing mutations in hair follicle stem cells.

Sesame allergy common among children with food allergies

NIH Recherche Médicale - mar, 19/11/2019 - 00:00
A study found that about 17% of children with food allergies are also allergic to sesame, highlighting the importance of using caution when exposing these children to sesame.

Gene variation may protect against Alzheimer’s disease

NIH Recherche Médicale - mar, 19/11/2019 - 00:00
A woman with an inherited condition that causes early-onset Alzheimer’s disease but who didn’t experience cognitive decline until her 70s appeared to be protected by a rare mutation.

High-salt diet triggers changes in mouse brains

NIH Recherche Médicale - mar, 19/11/2019 - 00:00
Mice fed a very high-salt diet showed accumulation of a protein in the brain linked with Alzheimer’s disease and other dementias.

Provider expectations may affect treatment outcomes

NIH Recherche Médicale - mar, 05/11/2019 - 00:00
A study found that people experienced less pain when the treatment provider expected the pain reliever to work.

E-cigarette vapor linked to cancer in mice

NIH Recherche Médicale - mar, 05/11/2019 - 00:00
Mice exposed to e-cigarette vapor containing nicotine had an increased risk of developing lung cancer and pre-cancerous changes in the bladder.

Newly identified flu antibodies could improve vaccines and treatments

NIH Recherche Médicale - mar, 05/11/2019 - 00:00
Researchers identified three antibodies that protect against multiple strains of influenza virus by targeting the surface protein neuraminidase. The findings could help researchers develop better flu vaccines and treatments.

Artificial pancreas improves type 1 diabetes management

NIH Recherche Médicale - mar, 29/10/2019 - 00:00
An artificial pancreas system improved blood glucose control throughout the day and overnight for people with type 1 diabetes.

Tiny bleeds associated with disability after brain injury

NIH Recherche Médicale - mar, 29/10/2019 - 00:00
People who had traumatic microbleeds that could be seen on MRI scans were twice as likely to experience disability after a traumatic brain injury.

Scientists design device for oral delivery of injections

NIH Recherche Médicale - mar, 29/10/2019 - 00:00
Scientists designed a capsule that, when taken by mouth, can deliver drugs through microneedle injections to the small intestine.

Emphasizing flavor boosts vegetable consumption

NIH Recherche Médicale - mar, 22/10/2019 - 00:00
A study found that emphasizing the tasty aspects of healthy foods may do more to boost consumption than promoting their nutritional qualities.

Lower magnetic field broadens MRI applications

NIH Recherche Médicale - mar, 22/10/2019 - 00:00
Scientists developed a high-performance, low magnetic-field MRI system that could be used for image-guided procedures and other new clinical applications in the future.

Bleach inactivates infectious disease found in deer

NIH Recherche Médicale - mar, 22/10/2019 - 00:00
Household bleach can decontaminate stainless steel surfaces infected with the prions that cause chronic wasting disease. The findings suggest a practical method for decontaminating equipment used for hunting and meat processing.

African American children may need different asthma treatments

NIH Recherche Médicale - mar, 15/10/2019 - 00:00
Results from a study of African American children with poorly controlled asthma contrast with those seen in other populations in previous studies. The findings highlight the importance of including people of diverse ages and races.

Gut microbes affect harmful compound in red meat

NIH Recherche Médicale - mar, 15/10/2019 - 00:00
Researchers identified an enzyme in gut bacteria that releases an inflammation-causing carbohydrate from meat. The findings suggest strategies to reduce the risk of certain diseases associated with eating red meat.

ALS-related mutations prevent RNA transport in nerves

NIH Recherche Médicale - mar, 15/10/2019 - 00:00
Researchers discovered that ALS-related mutations prevent RNA transport from the nucleus to other areas of nerve cells. The results suggest an avenue to investigate new treatments for diseases linked to problems with this process.

REM sleep may help the brain forget

NIH Recherche Médicale - mar, 01/10/2019 - 00:00
Scientists identified neurons in mice that are involved in actively forgetting memories during dream sleep.

How cancer vesicles breach the blood-brain barrier

NIH Recherche Médicale - mar, 01/10/2019 - 00:00
Small particles from cancer cells called extracellular vesicles cross the blood-brain barrier to make the brain more hospitable to metastatic tumors.

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