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The human cytoskeleton consists of three major classes of filaments: microfilaments, microtubules and intermediate filaments. Here, we summarize recent progress in deciphering the structure and function of intermediate filaments and their implications for human disease.
Spliceosome biogenesis and recycling remains a largely unexplored area. Two papers now reveal how protein chaperones remodel the 20S U5 snRNP, leading to formation of the U4/U6.U5 tri-snRNP.
Pregnancy loss is common in humans, but maternal genetic factors modulating its incidence are largely unknown. In a meta-analysis of genome-wide association studies, researchers identified a genetic variant that seems to increase risk of pregnancy loss by dysregulating meiotic recombination between homologous chromosomes during egg formation.