Tag Archives: study

Risky stem cell treatment reverses MS in 70% of patients in small study

MS brain lesion as seen on an MRI. (credit: James Heilman, MD)

By obliterating the broken immune systems of patients with severe forms of multiple sclerosis, then sowing fresh, defect-free systems with transplanted stem cells, researchers can thwart the degenerative autoimmune disease—but it comes at a price.

In a small phase II trial of 24 MS patients,...

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Brain infections may spark Alzheimer’s, new study suggests

Strands of beta amyloid fibrils form around yeast in culture media. (credit: Credit: D.K.V. Kumar et al. / Science Translational Medicine (2016)])

The protein globs that jam brain circuits in people with Alzheimer’s disease may not result from a sloppy surplus, but rather a bacterial battle, a new study suggests.

Previously, researchers assumed that the protein—beta amyloid—was just a junk...

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Genome-wide association study identifies 74 loci associated with educational attainment

Educational attainment is strongly influenced by social and other environmental factors, but genetic factors are estimated to account for at least 20% of the variation across individuals. Here we report the results of a genome-wide association study (GWAS) for educational attainment that extends our earlier discovery sample of 101,069 individuals to 293,723 individuals, and a replication study in an independent sample of 111,349 individuals...

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