A Systematic Review of the Existing Evidence on Early Year Interventions for Trauma and Violence Prevention.

Exposure to violence in early childhood is considered a public health issue and is a significant predictor of becoming a victim or perpetrator of violence later in life. There has been a significant increase in violence intervention and prevention programs that are available for children and young people; however, there are few evidence-based interventions for younger children. This review systematically explores the existing impact evidence for available intervention and prevention programs targeted at young children (ages 3-8) across the United States and United Kingdom.

Antigen presentation by tumor-associated macrophages drives T cells from a progenitor exhaustion state to terminal exhaustion.

Whereas terminally exhausted T (Tex_term) cells retain anti-tumor cytotoxic functions, the frequencies of stem-like progenitor-exhausted T (Tex_prog) cells better reflect immunotherapeutic responsivity. Here, we examined the intratumoral cellular interactions that govern the transition to terminal T cell exhaustion. We defined a metric reflecting the intratumoral progenitor exhaustion-to-terminal exhaustion ratio (PETER), which decreased with tumor progression in solid cancers.

Predicting the replicability of social and behavioural science claims in COVID-19 preprints.

Replications are important for assessing the reliability of published findings. However, they are costly, and it is infeasible to replicate everything. Accurate, fast, lower-cost alternatives such as eliciting predictions could accelerate assessment for rapid policy implementation in a crisis and help guide a more efficient allocation of scarce replication resources.

Nicotinic acid improves mitochondrial function and associated transcriptional pathways in older inactive males.

Objectives: To examine the effect of the NAD precursor, nicotinic acid (NA), for improving skeletal muscle status in sedentary older people.

Methods: In a double-blind, randomised, placebo-controlled design, 18 sedentary yet otherwise healthy older (65-75 y) males were assigned to 2-weeks of NA (acipimox; 250 mg × 3 daily, n=8) or placebo (PLA, n=10) supplementation. At baseline, and after week 1 and week 2 of supplementation, a battery of functional, metabolic, and molecular readouts were measured.