Results 41 to 50 of about 47,614 (267)

Vasculitis leucocitoclástica posterior a vacuna contra la COVID-19

open access: yesRevista Argentina de Reumatología, 2022
Varios reportes comunicaron diferentes tipos de vasculitis en asociación temporal con una variedad de vacunas, y más recientemente con las vacunas para enfermedad por SARS-CoV-2 (COVID-19).
Federico Ceccato   +3 more
doaj   +1 more source

Combined 5‐aminolevulinic acid and ferric ammonium citrate treatment promotes hair follicle growth by activating dermal papilla cells

open access: yesFEBS Open Bio, EarlyView.
5‐Aminolevulinic acid combined with ferric ammonium citrate (5‐ALA/FAC) stimulates dermal papilla cell activity and promotes hair follicle growth. The treatment enhances ERK and AKT signaling, increases hair‐inductive gene expression, and restores dermal papilla function suppressed by dihydrotestosterone and oxidative stress, resulting in enhanced hair
Han‐Wook Ryu, Eok‐Soo Oh, Sewoon Kim
wiley   +1 more source

SI‐bioATRP in Mesoporous Silica for Size‐Exclusion Driven Local Polymer Placement

open access: yesAdvanced Functional Materials, EarlyView.
An enzyme‐catalyzed surface‐initiated atom transfer radical polymerization (SI‐bioATRP) of an anionic monomer within mesoporous silica particles, using hemoglobin as a catalyst, allows for controlling the location of the formed polymer via size‐exclusion effects between the nanopores and the biomacromolecules, thereby opening routes to functional ...
Oleksandr Wondra   +8 more
wiley   +1 more source

Advanced Hepatocellular Carcinoma: Benefits of Atezolizumab and Bevacizumab in Clinical Practice. Case Report

open access: yesRevista Colombiana de Gastroenterología
Background: Hepatocellular carcinoma (HCC), originating from hepatocytes, ranks as the sixth most common cancer worldwide and the fourth leading cause of cancer-related mortality.
Erick Andrés Cantor Rizo   +5 more
doaj   +1 more source

The Floor‐Ceiling‐Chip, or 2 × 2D = Pseudo‐3D—Approaching 3D Cell Morphology and Organization between Two Opposing 2D Substrates with Cell‐Adhesive Protein Micropatterns

open access: yesAdvanced Healthcare Materials, EarlyView.
Here, we present a novel 3D cell patterning and culture platform. The “Floor‐Ceiling‐Chip” (FC‐Chip) consists of two opposing track‐etched membranes, creating a pseudo‐3D microenvironment for the cells in between. By providing the membranes with micropatterned cell‐adhesive islands of varying geometries and sizes, the FC‐Chip enables control over cell ...
Urandelger Tuvshindorj   +10 more
wiley   +1 more source

Targeting the ARRDC3–DRP1 Axis via hUMSC‐Derived Exosomal CRYAB for Neuroprotection in Cerebral Ischemia/Reperfusion Injury

open access: yesAdvanced Healthcare Materials, EarlyView.
Intranasally administered hUMSC‐derived exosomes modulate the CRYAB–ARRDC3–Drp1 axis, alleviating mitochondrial dysfunction and ferroptosis, enhancing neuronal survival, reducing oxidative stress, and promoting functional recovery in ischemia‐reperfusion injury, offering a promising therapeutic strategy for ischemic stroke.
Rong ji   +7 more
wiley   +1 more source

Trasplante Renal Experiencia de la Fundación Santa Fe de Bogotá

open access: yesRevista Colombiana de Cirugía, 1990
La Fundación Santa Fe de Bogotá dio al servicio el programa de trasplante renal en 1985. Desde entonces y hasta ahora se han realizado 48 trasplantes de riñón cuya experiencia se analiza en el presente artículo.
Gustavo A Quintero   +16 more
doaj  

Origen anómalo de arterias coronarias Reporte de un caso y revisión de la literatura

open access: yesRevista Colombiana de Cardiología, 2012
Las alteraciones anatómicas de las arterias coronarias representan un amplio espectro de anormalidades que son diagnosticadas habitualmente como un hallazgo incidental en autopsia o durante la realización de una arteriografía coronaria.
Nohra P. Romero, MD   +5 more
doaj   +1 more source

Understanding the Effects of Conductive Polymer Electrode Coating on Recorded Neural Signals

open access: yesAdvanced Healthcare Materials, EarlyView.
Conductive polymer coatings are widely explored to improve the quality of signals recorded with chronically implanted neural electrodes, offering enhanced biocompatibility along with reduced electrode impedance. Combining computational modelling and data from PEDOT:PTS coated and PtIr electrodes in rats, we show that improvements in signal quality with
Karthik Sridhar   +4 more
wiley   +1 more source

Ocupación y desastres: la formación de terapeutas ocupacionales para la prevención y la reducción del riesgo

open access: yesOcupación Humana, 2015
Los desastres son un tema de relevancia y actualidad a nivel mundial y latinoamericano. Este artículo presenta el análisis de la temática ocupacional, realizada por los participantes del curso de posgrado: Intervención de Terapia Ocupacional en ...
Rosana Verónica Ariño   +7 more
doaj   +1 more source

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