The Hao-Fountain syndrome protein USP7 regulates neuronal connectivity in the brain via a novel p53-independent ubiquitin signaling pathway.

Mutation or deletion of the deubiquitinase USP7 causes Hao-Fountain syndrome (HAFOUS), which is characterized by speech delay, intellectual disability, and aggressive behavior and highlights important unknown roles of USP7 in the nervous system. Here, we conditionally delete USP7 in glutamatergic neurons in the mouse forebrain, triggering disease-relevant phenotypes, including sensorimotor deficits, impaired cognition, and aggressive behavior. Although USP7 deletion induces p53-dependent neuronal apoptosis, most behavioral abnormalities in USP7 conditional knockout mice persist following p53 loss.

The 2022 ADEA Climate Study in U.S. and Canadian Dental Schools and Allied Dental Programs: Methodological Considerations.

Objectives: From January 2020 to the end of August 2020, preliminary research gathered data about the need for and the feasibility of an ADEA-led joint Climate Study of dental schools and allied dental programs in the United States and Canada. Informed by these findings, the first ever ADEA-led joint Climate Study took place in 2022. The objectives of this manuscript were to describe the timeline of this climate study and provide information about its methodology, specifically about (a) who participated in this research, (b) what was assessed, (c) how the study was conducted, and (d) how the results were communicated.

Cryopreserved human alternatively activated macrophages promote resolution of acetaminophen-induced liver injury in mouse.

Acute liver failure is a rapidly progressing, life-threatening condition most commonly caused by an overdose of acetaminophen (paracetamol). The antidote, N-acetylcysteine (NAC), has limited efficacy when liver injury is established. If acute liver damage is severe, liver failure can rapidly develop with associated high mortality rates.

Fast-Relaxing Hydrogels Promote Pancreatic Adenocarcinoma Cell Aggressiveness through Integrin β1 Signaling.

Pancreatic ductal adenocarcinoma (PDAC) is characterized by a dense extracellular matrix (ECM) exhibiting high stiffness and fast stress relaxation. In this work, gelatin-based viscoelastic hydrogels were developed to mimic the compositions, stiffness, and fast stress relaxation of PDAC tissues. The hydrogels were cross-linked by gelatin-norbornene-boronic acid (GelNB-BA), thiolated macromers, and a 1,2-diol-containing linear synthetic polymer PHD.