1,902,604 results match your criteria: "CA; Greater Los Angeles VA Healthcare Center D.S.[Affiliation]"
Evolution
January 2025
Department of Environmental Science, Policy & Management, University of California Berkeley, Berkeley, CA, 94720, United States.
Selection on animal signal form often changes significantly with the environment, yet signal form may itself be environment dependent. Little is known about how variation in individual responses to changing environments affects the relationship between selection and the subsequent evolution of signal traits. To address this question, we assess the effects of variation in temperature on individual signaling and mating behavior responses across temperatures in the wolf spider Schizocosa floridana.
View Article and Find Full Text PDFG3 (Bethesda)
January 2025
Department of Integrative Biology, University of California at Berkeley, Berkeley, CA 94720, USA.
Atahualpa is a rural village located in coastal Ecuador, a region that has been inhabited by people as early as 10,000 years ago. The traditional diet of their indigenous inhabitants is rich in oily fish and they have, therefore, served as a model for investigating the beneficial effects of such a diet. However, the genetic background of this population has not been studied.
View Article and Find Full Text PDFJ Infect Dis
January 2025
Gilead Sciences, Inc., 333 Lakeside Dr., Foster City, CA, 94404 USA.
Background: Lenacapavir is a highly potent first-in-class inhibitor of HIV-1 capsid approved for the treatment of heavily treatment-experienced (HTE) people with HIV-1 (PWH) harboring multidrug resistant (MDR) virus, in combination with an optimized background regimen (OBR). Resistance analyses conducted after 2 years of lenacapavir treatment in the phase 2/3 CAPELLA study are described.
Methods: CAPELLA enrolled viremic HTE PWH with resistance to 2 or more drugs per class in at least 3 of the 4 main drug classes.
Eur Heart J Acute Cardiovasc Care
January 2025
Section of Cardiovascular Medicine, Yale School of Medicine, New Haven, CT.
Background: In acute coronary syndrome, ST-segment elevation in lead aVR (STE-aVR) indicates global myocardial ischemia, often related to multivessel or severe left main disease, and correlates with increased mortality. The prevalence and prognostic significance of STE-aVR in cardiac arrest (CA) patients is unknown.
Methods: We identified patients (≥18 years) with CA between 2011 to 2022 who achieved return of spontaneous circulation (ROSC).
J Phys Chem A
January 2025
Center for Satellite Application on Environment, Ministry of Ecology and Environment, Beijing 100094, China.
The edge structures of carbonaceous materials exhibit temperature-dependent behavior on the atomic scale, with variations in the relative ratios of zigzag, reconstructed 5-7 zigzag (ZZ57), and armchair edges observed at different temperatures. Nevertheless, the mechanisms underlying the interconversion of these edge structures and the influence of the surrounding metals remain unclear. This study investigates the reconstruction and reversible transformation processes of ZZ57 edge structures in carbon materials and examines the effects of different metal atoms (Na, K, and Ca) by using density functional theory.
View Article and Find Full Text PDFIET Syst Biol
January 2025
School of Computer Science and Technology, Baotou Medical College, Baotou, China.
Metal ions are significant ligands that bind to proteins and play crucial roles in cell metabolism, material transport, and signal transduction. Predicting the protein-metal ion ligand binding residues (PMILBRs) accurately is a challenging task in theoretical calculations. In this study, the authors employed fused amino acids and their derived information as feature parameters to predict PMILBRs using three classical machine learning algorithms, yielding favourable prediction results.
View Article and Find Full Text PDFFEBS Lett
January 2025
Department of Microbiology and Immunology, Virginia Commonwealth University School of Medicine, Richmond, VA, USA.
Tissue fibrosis is a progressive pathological process with excessive deposition of extracellular matrix proteins (ECM). Myofibroblasts, identified by alpha-smooth muscle actin (αSMA) expression, play an important role in tissue fibrosis by producing ECM. Here, we found that the Wnt antagonist Dickkopf1 (DKK1) induced gene expressions associated with inflammation and fibrosis in lung fibroblasts.
View Article and Find Full Text PDFEur Phys J C Part Fields
January 2025
A measurement of the dijet production cross section is reported based on proton-proton collision data collected in 2016 at by the CMS experiment at the CERN LHC, corresponding to an integrated luminosity of up to 36.3 . Jets are reconstructed with the anti- algorithm for distance parameters of and 0.
View Article and Find Full Text PDFInt J Stroke
January 2025
Neuroendovascular Program, Massachusetts General Hospital & Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA.
Background: Acute ischemic stroke (AIS) from distal medium vessel occlusion (DMVO) presents unique treatment challenges. Mechanical thrombectomy (MT) is emerging as a viable option for these patients, yet the role of pre-stroke aspirin treatment is unclear. This study evaluates the impact of pre-stroke low-dose aspirin on outcomes in DMVO patients undergoing MT.
View Article and Find Full Text PDFJ Appl Lab Med
January 2025
Department of Pathology, Immunology and Laboratory Medicine, University of Florida, Gainesville, FL, United States.
Background: The most frequently ordered laboratory test worldwide is the complete blood count (CBC). As clinical chemists are increasingly assigned to assist or direct laboratories outside of the traditional clinical chemistry sections, such as the automated hematology section, expertise must be established. This review article is a dedication to that ongoing effort.
View Article and Find Full Text PDFAesthet Surg J
January 2025
Plastic surgeon in private practice, Dallas, TX, USA.
Background: The description of the aesthetically ideal neck was first described by Ellenbogen and colleagues in 1980. Since then, visual and aesthetic goals of patients have evolved as new surgical techniques have been described.
Objectives: Our study aims to provide current objective data regarding the aesthetically ideal neck in a young Caucasian female and evaluate Ellenbogen's original criteria for a youthful neck in this specific population.
Eur Heart J
January 2025
Cardio-Oncology Service, Royal Brompton Hospital, London, UK.
Am J Physiol Renal Physiol
January 2025
Department of Cell Physiology and Metabolism, Faculty of Medicine, University of Geneva, Geneva, Switzerland.
ERMP1 is involved in the Unfolded Protein Response (UPR) pathway in response to endoplasmic reticulum (ER) stress. Given the pivotal role of ER stress in the pathogenesis of acute and chronic kidney diseases, we hypothesized that ERMP1 could be instrumental in the development of renal injury. analysis of RNA sequencing datasets from renal biopsies were exploited to assess the expression of ERMP1 in the kidney under normal or pathological conditions.
View Article and Find Full Text PDFJ Cachexia Sarcopenia Muscle
February 2025
Department of Bioactive Material Sciences, Research Center of Bioactive Materials, Jeonbuk National University, Jeonju, Republic of Korea.
Background: The cellular prion protein (PrP), a glycoprotein encoded by the PRNP gene, is known to modulate muscle mass and exercise capacity. However, the role of PrP in the maintenance and regeneration of skeletal muscle during ageing remains unclear.
Methods: This study investigated the change in PrP expression during muscle formation using C2C12 cells and evaluated muscle function in Prnp wild-type (WT) and knock-out (KO) mice at different ages (1, 9 and 15 months).
J Dent Sci
January 2025
Department of Conservative Dentistry, School of Dentistry and Dental Research Institute, Seoul National University, Seoul, Republic of Korea.
Background/purpose: This study assessed the ability of experimental materials consisting of dicalcium silicate (DCS) and tricalcium silicate (TCS) with nanosized particles to form intratubular crystals under phosphate-buffered saline (PBS) and the effect on dentin permeability reduction.
Materials And Methods: By isolating the cervical part of the extracted premolars, 195 specimens were obtained. Two experimental materials (DCS/TCS and TCS) were applied to the dentin surface by brushing and stored in PBS (n = 65).
J Dent Sci
January 2025
Weintraub Center for Reconstructive Biotechnology, UCLA School of Dentistry, Los Angeles, CA, USA.
Background/purpose: studies are essential for understanding cellular responses, but traditional culture systems often neglect the three-dimensional (3D) structure of real implants, leading to limitations in cellular recruitment and behavior largely governed by gravity. The objective of this study was to pioneer a novel 3D dynamic osteoblastic culture system for assessing the biological capabilities of dental implants in a more clinically and physiologically relevant manner.
Materials And Methods: Rat bone marrow-derived osteoblasts were cultured in a 24-well dish with a vertically positioned dental implant.
Pragmat Obs Res
January 2025
Global Medical Affairs, GSK Consumer Healthcare Singapore Pte. Ltd, Singapore.
In recent years, regulatory authorities have signaled a willingness to consider real-world evidence (RWE) data to support applications for new claims and indications for pharmaceuticals. Historically, RWE studies have been the domain of prescription drugs, driven by the fact that clinical data on patients are routinely captured in medical records, claims databases, registries, etc. However, RWE reports of nonprescription drugs and supplements are relatively sparse due to methodological gaps in this area.
View Article and Find Full Text PDFLife Metab
February 2025
New Cornerstone Science Laboratory, State Key Laboratory of Membrane Biology, Beijing Key Laboratory of Cardiometabolic Molecular Medicine, Institute of Molecular Medicine, National Biomedical Imaging Center, The Beijing Laboratory of Biomedical Imaging, Peking-Tsinghua Center for Life Sciences, School of Future Technology, Peking University, Beijing 100871, China.
Glucose-stimulated insulin release from pancreatic β-cells is critical for maintaining blood glucose homeostasis. An abrupt increase in blood glucose concentration evokes a rapid and transient rise in insulin secretion followed by a prolonged, slower phase. A diminished first phase is one of the earliest indicators of β-cell dysfunction in individuals predisposed to develop type 2 diabetes.
View Article and Find Full Text PDFBiomater Transl
November 2024
Department of Sports Medicine and Rehabilitation, Peking University Shenzhen Hospital, Shenzhen, Gunagdong Province, China.
Bone and cartilage tissues are essential for movement and structure, yet diseases like osteoarthritis affect millions. Traditional therapies have limitations, necessitating innovative approaches. Organoid technology, leveraging stem cells' regenerative potential, offers a novel platform for disease modelling and therapy.
View Article and Find Full Text PDFCureus
January 2025
Research and Development, Encoll Corporation, Fremont, USA.
The increased cost and morbidity associated with diabetic foot ulcers (DFUs) place a substantial strain on the entire global healthcare system. In this trial, 24 subjects with a chronic DFU, Wagner grade 1 (University of Texas grade 1A), were treated with Standard of Care (SOC) therapy and randomized, one-half to receive advanced high-purity Type-I collagen-based skin substitute (HPTC; manufactured by Encoll Corp., Fremont, CA, USA), and the other half to receive a dehydrated human amnion/chorion membrane (dHACM) or viable cryopreserved human placental membrane (vCHPM).
View Article and Find Full Text PDFCureus
January 2025
Medical Oncology, Kartal Dr. Lütfi Kirdar City Hospital, Health Science University, Istanbul, TUR.
Integrating artificial intelligence (AI) into oncology can revolutionize decision-making by providing accurate information. This study evaluates the performance of ChatGPT-4o (OpenAI, San Francisco, CA) Oncology Expert, in addressing open-ended clinical oncology questions. Thirty-seven treatment-related questions on solid organ tumors were selected from a hematology-oncology textbook.
View Article and Find Full Text PDFLife Med
August 2024
Institute of Immunology and Bone Marrow Transplantation Center, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou 311100, China.
The immune responses following SARS-CoV-2 infection in children are still under investigation. While coronavirus disease 2019 (COVID-19) is usually mild in the paediatric population, some children develop severe clinical manifestations or multisystem inflammatory syndrome in children (MIS-C) after infection. MIS-C, typically emerging 2-6 weeks after SARS-CoV-2 exposure, is characterized by a hyperinflammatory response affecting multiple organs.
View Article and Find Full Text PDFJ Intensive Med
January 2025
Medical Intensive Care Unit, APHP Saint-Louis University Hospital, Paris, France.
Background: Cancer patients who are exposed to sepsis and had previous chemotherapy may have increased severity. Among chemotherapeutic agents, anthracyclines have been associated with cardiac toxicity. Like other chemotherapeutic agents, they may cause endothelial toxicity.
View Article and Find Full Text PDFJ Intensive Med
January 2025
Department of Anesthesia and Perioperative Care, Division of Critical Care Medicine, UCSF, San Francisco, CA, USA.
Acute kidney injury (AKI) presents a significant challenge in the management of critically ill patients, as it is associated with increased mortality, prolonged hospital stays, and increased healthcare costs. In certain conditions, such as during sepsis or after cardiac surgery, AKI is one of the most frequent complications, affecting 30%-50% of patients. Over time, even after the resolution of AKI, it can evolve into chronic kidney disease, a leading global cause of mortality, and cardiovascular complications.
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