Hypusinated and unhypusinated isoforms of the translation factor eIF5A exert distinct effects in models of pancreas development and function.

Hypusination of eukaryotic translation initiation factor 5A (eIF5A) is essential for its role in translation elongation and termination. Although the function of hypusinated eIF5A (eIF5A) in cellular proliferation is well-characterized, the role of its unhypusinated form (eIF5A) remains unclear. We hypothesized that eIF5A exerts independent, negative effects on cellular replication and metabolism, distinct from the loss of eIF5A.

Participation interest and completion of home blood pressure measurements with mailed devices in adults with and without hypertension.

Objectives: Home blood pressure monitoring (HBPM) is valuable for the detection and monitoring of hypertension. Despite logistical advantages, HBPM has not yet been used in national blood pressure (BP) surveys. We investigated randomly selected adults' willingness to participate in an HBPM study (attitude survey) and piloted this approach (feasibility study).

Restimulation by macrophages exhausts T cells.

Inhibiting T cell exhaustion is an attractive cancer immunotherapy strategy. In this issue of Immunity, Waibl Polania et al. examine the microenvironmental signals regulating terminal T cell exhaustion and find that antigen presentation by tumor-associated macrophages, not tumor cells, drives terminal T cell exhaustion in glioblastoma.

Plant microbiota feedbacks through dose-responsive expression of general non-self response genes.

The ability of plants to perceive and react to biotic and abiotic stresses is critical for their health. We recently identified a core set of genes consistently induced by members of the leaf microbiota, termed general non-self response (GNSR) genes. Here we show that GNSR components conversely impact leaf microbiota composition.