91,368 results match your criteria: "University of Southern California; gnedeva@usc.edu.[Affiliation]"

Soil erosion susceptibility maps and raster dataset for the hydrological basins of North Africa.

Sci Data

January 2025

University of Southern California, Viterbi School of Engineering, 3737 Watt Way, Powell Hall of Engineering, Los Angeles, CA, 90089, USA.

Soil erosion in North Africa modulates agricultural and urban developments as well as the impacts of flash floods. Existing investigations and associated datasets are mainly performed in localized urban areas, often representing a limited part of a watershed. The above compromises the implementation of mitigation measures for this vast area under accentuating extremes and continuous hydroclimatic fluctuations.

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Childhood obesity poses a significant public health challenge, yet the molecular intricacies underlying its pathobiology remain elusive. Leveraging extensive multi-omics profiling (methylome, miRNome, transcriptome, proteins and metabolites) and a rich phenotypic characterization across two parts of Europe within the population-based Human Early Life Exposome project, we unravel the molecular landscape of childhood obesity and associated metabolic dysfunction. Our integrative analysis uncovers three clusters of children defined by specific multi-omics profiles, one of which characterized not only by higher adiposity but also by a high degree of metabolic complications.

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Out-Of-Network Utilization and Plan Selection Among Medicare Advantage Cost Plan Enrollees.

Health Serv Res

January 2025

Schaeffer Center for Health Policy & Economics, Price School of Public Policy, University of Southern California, Los Angeles, California, USA.

Objective: To understand how Medicare Advantage (MA) networks impact utilization patterns and plan choices, using the 2019 discontinuation of MA 1876 Cost plans as a natural experiment.

Study Setting And Design: We study 1876 Cost plans, MA plans for which out-of-network care is covered through traditional Medicare (TM) and many of which CMS discontinued in 2019. We characterize the proportion of Cost plan enrollees who utilized out-of-network care in 2018 from different types of medical specialties.

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When Leaders Don't Walk the Walk: A National Survey of Academic Nurse Leader Perceptions of Staff Burnout.

Nurs Educ Perspect

November 2024

About the Authors Adrienne Martinez-Hollingsworth, PhD, MSN, RN, PHN, WAN, is director of research and evaluation, AltaMed Institute for Health Equity, and assistant project scientist, David Geffen School of Medicine, University of California at Los Angeles, Los Angeles, California. Dawn Goodolf, PhD, RN, is associate dean, Helen S. Breidegam School of Nursing and Public Health, and associate professor, Moravian University, Bethlehem, Pennsylvania. Nia Martin, PhD, MSN, RN, is assistant professor, Loma Linda University School of Nursing, Loma Linda, California. Linda Kim, PhD, RN, PHN, is research scientist, Department of Nursing Research, and assistant professor of medicine, Cedars Sinai Medical Center, Los Angeles, California. Jennifer Saylor, PhD, APRN, ACNS-BC, is associate dean for faculty and student affairs and associate professor, School of Nursing, University of Delaware, Newark, Delaware. Jennifer Evans, DNP, RN, NC-BC, is assistant dean and associate professor, University of Southern Indiana College of Nursing and Health Professions, Evansville, Indiana. Annette Hines, PhD, RN, is the Executive Director of the Susan S. Morrison School of Nursing, University of St. Thomas. Jin Jun, PhD, RN, is assistant professor, Center for Healthy Aging, Self-Management and Complex Care, College of Nursing, Ohio State University, Columbus, Ohio. The first author received a travel stipend from HRSA 22-109 Health and Public Safety Workforce Resiliency Training Program (U3NHP45414).The authors are grateful to Beth Speidel and Delsa Richards for their engagement and feedback. For more information, contact Adrienne Martinez-Hollingsworth at

Aim: This survey explored nurse leaders' impressions of burnout on college/school of nursing (CON/SON) administrative staff and leadership-facilitated strategies used to promote resilience building/mitigate burnout.

Background: Administrative staff are foundational to the success of a university's CON/SON, yet few studies have explored the impact of burnout in this group.

Method: Cross-sectional survey distributed to associate dean and business officer attendees of the 2022 American Association of Colleges of Nursing, Business Officers of Nursing Schools meeting (summer 2022) (n = 64).

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Marine foundation species are increasingly impacted by anthropogenic stressors, driving a loss of diversity within these critical habitats. Prior studies suggest that species diversity within mussel beds has declined precipitously in southern California, USA, but it is unclear whether a similar loss has occurred farther north. Here, we resurvey a mussel bed community in northern California first sampled in 1941 to evaluate changes in diversity after 78 years.

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Background Aims: Patients with hepatocellular carcinoma (HCC) meeting UNOS-downstaging (DS) criteria have excellent post-liver transplantation (LT) outcomes. Studies on HCC beyond UNOS-DS criteria ("All-comers" (AC)) have been limited by small sample size and short follow-up time, prompting this analysis.

Approach Results: 326 patients meeting UNOS-DS and 190 meeting AC criteria from 9 LT centers across 5 UNOS regions were enrolled from 2015 to 2023 and prospectively followed.

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Bone mineral density (BMD), an important marker of bone health, is regulated by a complex interaction of proteins. Plasma proteomic analyses can contribute to identification of proteins associated with changes in BMD. This may be especially informative in stages of bone accrual and peak BMD achievement (i.

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Inflammaging has long been linked to the pathogenesis of various aging-associated disorders, including cardiovascular disease, obesity, type 2 diabetes, and dementia. Yet, the origins of inflammaging remain unclear. Although inflammatory dermatoses such as psoriasis and atopic dermatitis predispose to the development of certain aging-associated disorders, suggesting a pathogenic role of cutaneous inflammation in these disorders, the great majority of aged humans do not have inflammatory dermatoses.

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The photophysical properties of six new luminescent tetrahedral Zn(II) complexes are presented that survey two electronic donor moieties (phenolate and carbazolate) and three electronic acceptors (pyridine, pyrimidine, and pyrazine). A unique ligand based on an -terphenyl motif forms an eight-membered chelate, which enhances through-space charge-transfer (CT) interactions by limiting through-bond conjugation between the donor and acceptor. A single isomeric product was obtained in yields up to 90%.

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Optimizing automated photo identification for population assessments.

Conserv Biol

January 2025

Marine Mammal Research Program, Hawai'i Institute of Marine Biology, University of Hawai'i at Mānoa, Kāne'ohe, Hawai'i, USA.

Several legal acts mandate that management agencies regularly assess biological populations. For species with distinct markings, these assessments can be conducted noninvasively via capture-recapture and photographic identification (photo-ID), which involves processing considerable quantities of photographic data. To ease this burden, agencies increasingly rely on automated identification (ID) algorithms.

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Race and ethnicity affect the distribution of molecular alterations seen in patients with non-small cell lung cancer (NSCLC). While anaplastic lymphoma kinase (ALK) alterations are known to occur in 4-5% of the population, data specific to the Hispanic population remains limited. This study describes the real-world incidence of ALK alterations in Hispanic patients with NSCLC treated at a large academic institution in Los Angeles, California, USA to further elucidate the underlying factors that shape differences in mutational profiles.

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Importance: The most used overactive bladder (OAB) medications are anticholinergics, which professional societies recommend avoiding in older patients given dementia risk. Cost prevents patients from switching to preferred beta-3 agonists. Mirabegron was the only beta-3 agonist eligible for the Centers for Medicare/Medicaid Services (CMS) 2023 Drug Negotiation Program (DNP).

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Limbic predominant age-related TDP-43 encephalopathy neuropathologic change (LATE-NC) is highly prevalent in late life and a common co-pathology with Alzheimer's disease neuropathologic change (ADNC). LATE-NC is a slowly progressive, amnestic clinical syndrome. Alternatively, when present with ADNC, LATE-NC is associated with a more rapid course.

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Introduction: Deficits in decision-making (DM) can lead to adverse outcomes across multiple domains such as financial management and medical care. By hindering such DM abilities, cognitive impairment (CI) often affects quality of life. Routine screening for CI, however, does not include systematic and comprehensive assessment of DM ability.

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Introduction: Infants born very preterm (VPT, <32 weeks' gestation) are at increased risk for neurodevelopmental impairments including motor, cognitive and behavioural delay. Parents of infants born VPT also have poorer mental health outcomes compared with parents of infants born at term.We have developed an intervention programme called TEDI-Prem (Telehealth for Early Developmental Intervention in babies born very preterm) based on previous research.

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Nutritional epidemiology aims to link dietary exposures to chronic disease, but the instruments for evaluating dietary intake are inaccurate. One way to identify unreliable data and the sources of errors is to compare estimated intakes with the total energy expenditure (TEE). In this study, we used the International Atomic Energy Agency Doubly Labeled Water Database to derive a predictive equation for TEE using 6,497 measures of TEE in individuals aged 4 to 96 years.

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Soluble Fms-like tyrosine kinase-1 polymorphisms associated with severe-spectrum hypertensive disorders of pregnancy.

Arch Gynecol Obstet

January 2025

Department of Population and Public Health Sciences, Keck School of Medicine, University of Southern California, Los Angeles, CA, 90089, USA.

Background: sFLT-1 has been implicated in the pathogenesis of HDP. We aimed to examine the role of maternal and fetal polymorphisms in risk of HDP and severe-spectrum disease.

Methods: Cases of HDP (143) and controls (169) from mother-baby dyads were recruited at the Los Angeles County Women's and Children's Hospital (WCH).

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Understanding the lifetime risk of dementia can inform public health planning and improve patient engagement in prevention. Using data from a community-based, prospective cohort study (n = 15,043; 26.9% Black race, 55.

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Background: Globally, over one-third of pulmonary tuberculosis (TB) disease diagnoses are made based on clinical criteria after a negative bacteriological test result. There is limited information on the factors that determine clinicians' decisions to initiate TB treatment when initial bacteriological test results are negative.

Methods And Findings: We performed a systematic review and individual patient data meta-analysis using studies conducted between January 2010 and December 2022 (PROSPERO: CRD42022287613).

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Resonant Auger Decay in Benzene.

J Phys Chem A

January 2025

Department of Chemistry, University of Southern California, Los Angeles, California 90089, United States.

We present ab initio calculations of the resonant Auger spectrum of benzene. In the resonant process, Auger decay ensues following the excitation of a core-level electron to a virtual orbital. Hence, resonant Auger decay gives rise to higher-energy Auger electrons compared to nonresonant decay.

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Key Interaction Changes Determine the Activation Process of Human Parathyroid Hormone Type 1 Receptor.

J Am Chem Soc

January 2025

Warshel Institute for Computational Biology, School of Life and Health Sciences, School of Medicine, The Chinese University of Hong Kong (Shenzhen), Shenzhen 518172, China.

The parathyroid hormone type 1 receptor (PTH1R) plays a crucial role in modulating various physiological functions and is considered an effective therapeutic target for osteoporosis. However, a lack of detailed molecular and energetic information about PTH1R limits our comprehensive understanding of its activation process. In this study, we performed computational simulations to explore key events in the activation process, such as conformational changes in PTH1R, Gs protein coupling, and the release of guanosine diphosphate (GDP).

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Importance: Persisting or new thrombi in the distal arteries and the microcirculation have been reported to limit the benefits of successful endovascular thrombectomy for patients with acute ischemic stroke. It remains uncertain whether intra-arterial thrombolysis by urokinase following near-complete to complete reperfusion by thrombectomy improves outcomes among patients with ischemic stroke due to large vessel occlusion.

Objective: To assess the efficacy and adverse events of intra-arterial urokinase after near-complete to complete reperfusion by thrombectomy for acute ischemic stroke due to large vessel occlusion.

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Importance: Multisystem inflammatory syndrome in children (MIS-C) is a life-threatening complication of COVID-19 infection. Data on midterm outcomes are limited.

Objective: To characterize the frequency and time course of cardiac dysfunction (left ventricular ejection fraction [LVEF] <55%), coronary artery aneurysms (z score ≥2.

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