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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.

Linguamatics' I2E natural language processing engine helps Sanofi match HLA alleles with multiple sclerosis and associated drug treatments.

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Holden Thorp is to be the new editor-in-chief of Science and its related journals.

A genetic analysis of salmon scales collected over the course of a century points to a sharp decline in the number of fish returning each year to river in British Columbia, CBC reports.

Adelaide University has suspended the head of an ancient DNA lab as its investigation of workplace bullying continues, Australia's ABC News reports.

In PNAS this week: gene expression profiles of adipocyte subtypes, computational approach for improving plant expressome analysis, and more.