Publications by authors named "Castillo S"

Introduction: Aortic insufficiency (AR) evolves during follow-up with dilation of the left chambers and eventually with deterioration of the ejection fraction (EF). Treatment as well as evolution of EF after the procedure remains uncertain. The objective of the following work was to establish the prevalence of ventricular dysfunction and evaluate the evolution of EF at 6 months in patients with aortic valve replacement (AVR) due to AR.

View Article and Find Full Text PDF

The circumsporozoite protein (CSP) is one of the most studied proteins of the malaria parasite. It is the target of the only licensed malaria vaccines and is essential for sporozoite formation and infectivity. Yet, the mechanisms by which CSP functions and its interactions with other proteins are only beginning to be understood.

View Article and Find Full Text PDF

This paper presents a novel method for accelerating the computationally intensive process of point-based holography using consumer grade hardware. By leveraging the parallel processing capabilities of graphics processing units (GPUs) and implementing optimization techniques, the proposed method significantly reduces the time required to generate complex holograms. A comprehensive analysis - including benchmarks and comparative studies - demonstrates the efficiency and effectiveness of this approach.

View Article and Find Full Text PDF
Article Synopsis
  • - The study aimed to find opportunities for improving antibiotic stewardship (AS) in medical-surgical intensive care units (MS-ICUs) and general wards (Gral-wards) across 41 hospitals in Latin America from March 2022 to February 2023.
  • - Data was collected on antimicrobial use (AU) from 5780 MS-ICU and 7726 Gral-ward patients, revealing a 53.5% AU prevalence in MS-ICUs and 25.5% in Gral-wards, with a significant portion of antibiotics used for treating infections and surgical prophylaxis.
  • - The study highlighted key areas for improvement in AU practices, including better antibiotic selection, the need for de
View Article and Find Full Text PDF

Brain magnetic resonance imaging (MRI) of infants with congenital heart disease (CHD) shows brain immaturity assessed via a cortical-based semi-quantitative score. Our primary aim was to develop an infant paralimbic-related subcortical-based semi-quantitative dysmaturation score, termed brain dysplasia score (BDS), to detect abnormalities in CHD infants compared to healthy controls and secondarily to predict clinical outcomes. We also validated our BDS in a preclinical mouse model of hypoplastic left heart syndrome.

View Article and Find Full Text PDF
Article Synopsis
  • * A cross-sectional approach was employed, analyzing patients over 18 with specific heart failure criteria, and a pyrophosphate bone scintigraphy (PYP) was used to diagnose ATTR-CM.
  • * Results showed that 19% of the patients tested positive for ATTR-CM, indicating it's a significant concern among this population and suggesting that routine screening for the condition is warranted.
View Article and Find Full Text PDF

Constructing molecular classifiers that enable cells to recognize linear and nonlinear input patterns would expand the biocomputational capabilities of engineered cells, thereby unlocking their potential in diagnostics and therapeutic applications. While several biomolecular classifier schemes have been designed, the effects of biological constraints such as resource limitation and competitive binding on the function of those classifiers have been left unexplored. Here, we first demonstrate the design of a sigma factor-based perceptron as a molecular classifier working based on the principles of molecular sequestration between the sigma factor and its antisigma molecule.

View Article and Find Full Text PDF

DddA-derived cytosine base editors (DdCBEs) enable the targeted introduction of C•G-to-T•A conversions in mitochondrial DNA (mtDNA). DdCBEs work in pairs, with each arm composed of a transcription activator-like effector (TALE), a split double-stranded DNA deaminase half, and a uracil glycosylase inhibitor. This pioneering technology has helped improve our understanding of cellular processes involving mtDNA and has paved the way for the development of models and therapies for genetic disorders caused by pathogenic mtDNA variants.

View Article and Find Full Text PDF

Avocado ( Mill.) is a subtropical climacteric fruit with a limited shelf life due to its high sensitivity to low temperatures. Chilling injury (CI) produced by cold storage displays symptoms in avocado fruit such as irregular ripening, darkening of the mesocarp, hardening of vascular strands, lipid oxidation with "off flavors", and pitting and darkening of the skin, increasing weight loss.

View Article and Find Full Text PDF

Primary cilia are antenna-like organelles which sense extracellular cues and act as signalling hubs. Cilia dysfunction causes a heterogeneous group of disorders known as ciliopathy syndromes affecting most organs. Cilia disassembly, the process by which cells lose their cilium, is poorly understood but frequently observed in disease and upon cell transformation.

View Article and Find Full Text PDF

Tomato fruit ( L.) has a very brief storability, displaying chilling injury (CI) when stored in cold conditions used to delay ripening. For this reason, in this study, different concentrations (10, 50, and 100 mg L) of chlorogenic acid (ChA) were assayed to evaluate its effectiveness in maintaining fruit quality traits and mitigating CI symptoms in tomatoes.

View Article and Find Full Text PDF

In this research, several analyses were carried out on concentrated fractions of Mexican oregano essential oil ( Gray) in order to determine its ability to inhibit the growth and the motility of (swimming), (swimming), and (swarming); these Gram-negative bacteria associated with urinary tract infections are motile due to the presence of flagella, which is considered an important virulence factor that favors their motility when trying to reach the target organ and cause an infection. Also, the resistance pattern to antibiotics of each strain was determined. The results showed resistance pattern (8 out of 12 antibiotics tested) for , while and were resistant to 4 antibiotics out of the 12 tested.

View Article and Find Full Text PDF

Basal Stem Rot (BSR), caused by spp., is one of the most important emerging diseases of oil palm in Colombia and is so far restricted to only two producing areas in the country. However, despite the controls established to prevent its spread to new areas, containment has not been possible.

View Article and Find Full Text PDF

Although many studies have discussed the impact of Europe's air quality, very limited research focused on the detailed phenomenology of ambient trace elements (TEs) in PM in urban atmosphere. This study compiled long-term (2013-2022) measurements of speciation of ambient urban PM from 55 sites of 7 countries (Switzerland, Spain, France, Greece, Italy, Portugal, UK), aiming to elucidate the phenomenology of 20 TEs in PM in urban Europe. The monitoring sites comprised urban background (UB, n = 26), traffic (TR, n = 10), industrial (IN, n = 5), suburban background (SUB, n = 7), and rural background (RB, n = 7) types.

View Article and Find Full Text PDF

Justice-impacted persons may inconsistently access HIV testing. This cross-sectional secondary analysis investigates lifetime HIV testing prevalence among adults with prior histories of incarceration in Southern California, United States, participating in health-focused programming ( = 3 studies). Self-reported demographic and lifetime HIV testing data were collected between 2017-2023; descriptive analyses were conducted.

View Article and Find Full Text PDF

Introduction: Limited information exists on the prevalence and outcomes of patients undergoing surgical aortic valve replacement (SAVR) for aortic stenosis (AS) with reduced left ventricular ejection fraction (LVEF). This study aims to describe the number of AS patients undergoing SAVR with LVEF less than 55 % and quantify LVEF improvement at follow-up.

Material And Methods: We analyzed patients undergoing SAVR with LVEF less than 55 % and the number of patients that improved the LVEF at 6 months.

View Article and Find Full Text PDF
Article Synopsis
  • The Iberian Peninsula played a crucial role in understanding human settlement in Eurasia, particularly during the transition from Neandertals to anatomically modern humans.
  • There was a notable lack of human presence in central Iberia for about 16,000 years following the Neandertals' disappearance until evidence of human occupation re-emerges around 36,200 years ago.
  • The findings indicate that despite a shift towards colder and dryer conditions, anatomically modern humans successfully adapted their subsistence strategies and settled in areas previously thought to be uninhabitable, challenging existing views on early population dynamics in southwestern Europe.
View Article and Find Full Text PDF

In this work, we report a heterojunction formed by a PbS/CdS bilayer using the chemical bath deposition (CBD) technique because it is a relatively simple, fast, and low-cost technique; is permitted to obtain high-quality thin films (TFs); and also covers large areas. Some characterizations have been carried out to confirm the identity of the involved bilayer. For the cadmium sulfide (CdS) film, optical properties such as absorption, transmission, reflection, extinction coefficient, and refractive index were measured.

View Article and Find Full Text PDF

DddA-derived cytosine base editors (DdCBEs) enable the targeted introduction of C•G-to-T•A conversions in mitochondrial DNA (mtDNA). DdCBEs are often deployed as pairs, with each arm comprised of a transcription activator-like effector (TALE), a split double-stranded DNA deaminase half, and a uracil glycosylase inhibitor. This pioneering technology has helped improve our understanding of cellular processes involving mtDNA and has paved the way for the development of models and therapies for genetic disorders caused by pathogenic mtDNA variants.

View Article and Find Full Text PDF

The tissue diagnosis and staging of all types of lung cancer is foundational for prognosis and establishing the optimal treatment plan. In order to appropriately stage lung cancer, the highest stage should be established using the 8 edition TNM criteria, where tumor size (T), nodal involvement (N), and metastasis (M) are all taken into account. Establishing a tissue diagnosis may involve the use of CT guided biopsy, navigational bronchoscopy, endobronchial biopsy, EBUS, percutaneous lymph node biopsy and/or excisional biopsy of supraclavicular nodes.

View Article and Find Full Text PDF

Purpose: Tumor-infiltrating lymphocytes (TILs) have prognostic significance in several cancers, including breast cancer. Despite interest in combining radiation therapy with immunotherapy, little is known about the effect of radiation therapy itself on the tumor-immune microenvironment, including TILs. Here, we interrogated longitudinal dynamics of TILs and systemic lymphocytes in patient samples taken before, during, and after neoadjuvant radiation therapy (NART) from PRADA and Neo-RT breast clinical trials.

View Article and Find Full Text PDF

Activation of the p53 tumor suppressor triggers a transcriptional program to control cellular response to stress. However, the molecular mechanisms by which p53 controls gene transcription are not completely understood. Here, we uncover the critical role of spatio-temporal genome architecture in this process.

View Article and Find Full Text PDF

The reconstruction and novel view synthesis of dynamic scenes recently gained increased attention. As reconstruction from large-scale multi-view data involves immense memory and computational requirements, recent benchmark datasets provide collections of single monocular views per timestamp sampled from multiple (virtual) cameras. We refer to this form of inputs as monocularized data.

View Article and Find Full Text PDF