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The results of the study, which involved more than 47,000 MS patients and 68,000 unaffected controls, explain almost half of the disease's estimated heritability.

Using brain samples from individuals with or without multiple sclerosis, researchers detected declining projection neuron levels and related immune cell shifts.

In PLOS this week: genes and pathways linked to multiple sclerosis, Salmonella enterica diversity in reptiles, and more.

In PNAS this week: study of epigenetic patterns in mammalian eggs, clonal expansion patterns in CD8+ T cells, and more.

The researchers plan to analyze clinical records and genetic data from whole-exome sequencing for more than 3,000 patients using DNAnexus' Apollo platform.

In PLOS this week: map of breakpoints in individuals with complex chromosomal rearrangements, sequence of virus that infects African armyworm, and more.

In Cell this week: epigenetic change linked to glioblastomas, rare and low-frequency variants contributing to multiple sclerosis risk, and more.

In a meta-analysis of nearly 70,000 individuals, researchers estimated that low-frequency coding variants contribute about 5 percent of multiple sclerosis risk.

A team led by the University of British Columbia homed in on a variant that linked to increased liver enzyme levels and liver injury during interferon-β treatment.

A large meta-analysis and functional genomic assessment of a risky HLA haplotype uncovered hypomethylation that alters immune-related expression at the locus.

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Russian CRISPR researcher moves along with plans to ultimately alter the genes of embryos of deaf couples, though awaits regulatory approval, Nature News reports.

University of California, San Francisco, researchers have uncovered a gene mutations that appears to make a father-son duo more efficient sleepers.

NPR reports a large health insurer has begun to cover some pharmacogenetic tests for psychiatric drugs.

In PLOS this week: genome-wide association study of non-syndromic orofacial cleft subtypes, epigenetic and transcriptomic analysis of pancreatic ductal adenocarcinoma, and more.