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https://www.selleckchem.com/products/unc6852.html Protocols with SIVs had a further decrease in major, minor, procedural, eligibility, and policy events. Additionally, protocols audited during the Early Period had on average 0.46 major deviations per participant, compared to 0.26 events in protocols audited during the Middle Period, and 0.08 events in protocols audited during the Late Period with SIVs. Protocol deviations and noncompliance events in neurological clinical trials can be reduced by targeted investigator trainings and SIVs. These measures have major impacts on the integrity, safety, and effectiveness of human subjects research in neurology.Activated microglia can suppress neurite outgrowth and synapse recovery in the acute stage following traumatic brain injury (TBI). However, the underlying mechanism has not been clearly elucidated. Exosomes derived from microglia have been reported to play a critical role in microglia-neuron interaction in healthy and pathological brains. Here, we aimed to investigate the role of microglia-derived exosomes in regulating neurite outgrowth and synapse recovery following TBI. In our study, exosomes derived from microglia were co-cultured with stretch-injured neurons in vitro and intravenously injected into mice that underwent fluid percussion injury (FPI) by tail vein injection in vivo. The results showed that microglia-derived exosomes could be absorbed by neurons in vitro and in vivo. Moreover, exosomes derived from stretch-injured microglia decreased the protein levels of GAP43, PSD-95, GluR1, and Synaptophysin and dendritic complexity in stretch-injured neurons in vitro, and reduced GAP43+ NEUN cell percentage and apical dendritic spine density in the pericontusion region in vivo. Motor coordination was also impaired in mice treated with stretch-injured microglia-derived exosomes after FPI. A microRNA microarray showed that the level of miR-5121 was decreased most greatly in exosomes derived from stretch-injured micr

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