Strategic imperatives for health in the USA: a roadmap for the incoming presidential administration.

As the beginning of the next US presidential administration approaches, the USA faces a series of complex challenges that threaten the health of the American people and the effectiveness and sustainability of their health and health-care systems. Taking office in January, 2025, the next administration will need to address myriad systems-level and public health challenges, including the long-term health impacts of COVID-19 and threat of future pandemics, negative effects of climate change on health, unaffordability and inefficiencies in health care, and resulting and long-standing disparities in health-care access and health outcomes. Without decisive policy action, population health is likely to stagnate or even deteriorate.

Nucleosome repositioning in cardiac reprogramming.

Early events in the reprogramming of fibroblasts to cardiac muscle cells are unclear. While various histone undergo modification and re-positioning, and these correlate with the activity of certain genes, it is unknown if these events are causal or happen in response to reprogramming. Histone modification and re-positioning would be expected to open up chromatin on lineage-specific genes and this can be ascertained by studying nucleosome architecture.