Non-mutated human tau stimulates Alzheimer's disease-relevant neurodegeneration in a microglia-dependent manner.

The accumulation of abnormal, non-mutated tau protein is a key pathological hallmark of Alzheimer's disease (AD). Despite its strong association with disease progression, the mechanisms by which tau drives neurodegeneration in the brain remain poorly understood. Here, we selectively expressed non-mutated or mutated human microtubule-associated protein tau ( ) in neurons across the brain and observed neurodegeneration in the hippocampus, especially associated with non-mutated human tau.

Impact of a brief self-compassion intervention on state emotion dysregulation in self-reported generalized anxiety disorder.

Background And Objectives: The current study examined emotion dysregulation and self-compassion as an intervention in individuals with generalized anxiety disorder (GAD) symptoms.

Methods: College students who met criteria for GAD according to questionnaires and non-anxious controls participated in an anxious mood induction. Subsequently, participants were randomized to a self-compassion or control intervention.

Characteristics, outcomes and treatment patterns in acute myeloid leukemia patients 60 years or older in Colombia: a RENEHOC-PETHEMA study.

There is a limited information available on the clinical characteristics, treatment patterns and outcomes on older patients diagnosed with Acute Myeloid Leukemia (AML) in Latin-America. This multicenter retrospective study analyzed 269 patients over 60 years of age diagnosed with AML in Colombia, using data from RENEHOC-PETHEMA registry, from 2009 to 2023. The median age at diagnosis was 70 years (Range:60-98), 55% were men, 61% had an ECOG < 2, and 75.

Endocytic recycling is central to circadian collagen fibrillogenesis and disrupted in fibrosis.

Collagen-I fibrillogenesis is crucial to health and development, where dysregulation is a hallmark of fibroproliferative diseases. Here, we show that collagen-I fibril assembly required a functional endocytic system that recycles collagen-I to assemble new fibrils. Endogenous collagen production was not required for fibrillogenesis if exogenous collagen was available, but the circadian-regulated vacuolar protein sorting (VPS) 33b and collagen-binding integrin α11 subunit were crucial to fibrillogenesis.

Cryptococcal Pneumonia in Multiple Myeloma: A Case Report.

Patients with multiple myeloma (MM) often experience infections due to aberrant immunoglobulin production by malignant plasma cells and immunosuppressive therapeutic interventions that are used to treat the condition. A rare but serious infection that may occur in these patients is Cryptococcus, an encapsulated fungus that typically infects immunocompromised individuals. Cryptococcus infections often present as pneumonia but can disseminate to the central nervous system, potentially causing meningitis.