Biomedicina: Envíos recientes
Mostrando ítems 121-140 de 779
Systemic inflammation and acute-on-chronic liver failure: too much, not enough
ACLF is a specific, but complex and multifactorial form of acute decompensation of cirrhosis and is characterized by an extraordinary dynamic natural course, rapidly evolving organ failure, and high short-term mortality. ...
Deconstructing Complexity: A Computational Topology Approach to Trajectory Inference in the Human Thymus with TVIBLINDI
Understanding complex, organ-level single-cell datasets represents a formidable interdisciplinary challenge. This study aims to describe developmental trajectories of thymocytes and mature T cells. We developed tviblindi, ...
Defective TNF-alpha-mediated hepatocellular apoptosis and liver damage in acidic sphingomyelinase knockout mice
This study addressed the contribution of acidic sphingomyelinase (ASMase) in TNF-alpha-mediated hepatocellular apoptosis. Cultured hepatocytes depleted of mitochondrial glutathione (mGSH) became sensitive to TNF-alpha, ...
Ikzf1 as a novel regulator of microglial homeostasis in inflammation and neurodegeneration
Using genetic tools, here we describe that Ikzf1 is specifically expressed in the adult microglia in brain regions such as cortex and hippocampus. By characterizing the Ikzf1 deficient mice, we observed that these mice ...
New origin firing is inhibited by APC/CCdh1 activation in S-phase after severe replication stress.
Defects in DNA replication and repair are known to promote genomic instability, a hallmark of cancer cells. Thus, eukaryotic cells have developed complex mechanisms to ensure accurate duplication of their genomes. While ...
MMP1 drives tumor progression in large cell carcinoma of the lung through fibroblast senescence
Large cell carcinoma (LCC) is a rare and aggressive lung cancer subtype with poor prognosis and no targeted therapies. Tumor-associated fibroblasts (TAFs) derived from LCC tumors exhibit premature senescence, and coculture ...
A C˄S-cyclometallated gold(III) complex as novel antibacterial candidate against drug-resistant bacteria
The worldwide emergence and spread of infections caused by multidrug-resistant bacteria endangers the efficacy of current antibiotics in the clinical setting. The lack of new antibiotics in the pipeline points to the need ...
Epileptogenic zone localization with (18)FDG PET using a new dynamic parametric analysis
Introduction: [18F]fluorodeoxyglucose (18F-FDG) positron emission tomography (PET) is part of the regular preoperative work-up in medically refractory epilepsy. As a complement to visual evaluation of PET, statistical ...
Mitochondrial fission in Huntington's disease mouse striatum disrupts ER-mitochondria contacts leading to disturbances in Ca2+ efflux and Reactive Oxygen Species (ROS) homeostasis
Mitochondria-associated membranes (MAMs) are dynamic structures that communicate endoplasmic reticulum (ER) and mitochondria allowing calcium transfer between these two organelles. Since calcium dysregulation is an important ...
Comparison of how different feed phosphates affect performance, bone mineralization and phosphorus retention in broilers
The objective of this work was to evaluate the comparative P bio-avalability of different sources of phosphate based on their effects on animal performance, bones mineralization and mineral retention in broilers. To achieve ...
Early biomarkers of Williams-Beuren syndrome: a preclinical study in the CD mouse model
Williams-Beuren syndrome (WBS) is a neurodevelopmental disorder caused by a chromosomic microdeletion (7q11.23). WBS has been modeled by a mouse line having a complete deletion (CD) of the equivalent mouse locus. This model ...
Standardization of Workflow and Flow Cytometry Panels for Quantitative Expression Profiling of Surface Antigens on Blood Leukocyte Subsets: An HCDM CDMaps Initiative
Background: The Human Cell Differentiation Molecules (HCDM) organizes Human Leukocyte Differentiation Antigen (HLDA) workshops to test and name clusters of antibodies that react with a specific antigen. These cluster of ...
The MAL protein is crucial for proper membrane condensation at the ciliary base, which is required for primary cilium elongation
The base of the primary cilium contains a zone of condensedmembranes whose importance is not known. Here, we have studiedthe involvement of MAL, a tetraspanning protein that exclusivelypartitions into condensed membrane ...
El reto educativo de El buen quehacer del médico
In March 2014 the General Council of Official Medical Associations (CGCOM) published a document entitled The Good Physician housework, which can be accessed at www.fundacioneducacionmedica.org. The document was drawn up ...
Passive stiffness of left ventricular myocardial tissue is reduced by ovariectomy in a post-menopause mouse model
Background: Heart failure (HF) - a very prevalent disease with high morbidity and mortality - usually presents with diastolic dysfunction. Although post-menopause women are at increased risk of HF and diastolic dysfunction, ...
Urinary L-FABP is a promising prognostic biomarker of ACLF and mortality in patients with decompensated cirrhosis
Background & aims: Decompensated cirrhosis (DC) is associated with high mortality, mainly owing to the development of acute-on-chronic liver failure (ACLF). Identifying the patients with DC who are at high risk of mortality ...
The Checkpoint Regulator SLAMF3 Preferentially Prevents Expansion of Auto-Reactive B Cells Generated by Graft-vs.-Host Disease
Absence of the mouse cell surface receptor SLAMF3 in SLAMF3-/- mice suggested that this receptor negatively regulates B cell homeostasis by modulating activation thresholds of B cell subsets. Here, we examine whether ...
Genetic variants of innate immunity receptors are associated with mortality in cirrhotic patients with bacterial infection
BACKGROUND & AIMS: Acute-on-chronic liver failure (ACLF) is characterized by acute decompensation of cirrhosis (AD), organ failure(s) and high risk of short-term mortality with bacterial infection frequently as precipitating ...
Unlocking doors without keys: activation of Src by truncated C-terminal intracellular receptor tyrosine kinases lacking tyrosine kinase activity
One of the best examples of the renaissance of Src as an open door to cancer has been the demonstration that just five min of Src activation is sufficient for transformation and also for induction and maintenance of cancer ...
Ssp1 CaMKK: A Sensor of Actin Polarization That Controls Mitotic Commitment through Srk1 in Schizosaccharomyces pombe
Background Calcium/calmodulin-dependent protein kinase kinase (CaMKK) is required for diverse cellular functions. Mammalian CaMKK activates CaMKs and also the evolutionarily-conserved AMP-activated protein kinase (AMPK). ...
