29,652 results match your criteria: "Keck School of Medicine of the University of Southern California; ahkashan@usc.edu.[Affiliation]"
BMC Public Health
January 2025
Department of Pulmonary and Critical Care Medicine, Zhujiang Hospital, Southern Medical University, No.253 Industrial Avenue Middle, Guangzhou, 510280, China.
Background: The onset of the COVID-19 pandemic has had a detrimental impact on the healthcare system. Patients with kidney failure and related kidney disease are notably vulnerable to the COVID-19 pandemic. However, it remains unclear how mortality trends associated with kidney failure have evolved over the past three years.
View Article and Find Full Text PDFJ Clin Psychiatry
January 2025
Division of Gastrointestinal and Liver Diseases, Department of Medicine, Keck School of Medicine, University of Southern California, Los Angeles, California.
We compared substance use disorder (SUD) prevalence among adult inflammatory bowel disease (IBD) hospitalizations with non-IBD controls from the 2016-2018 National Inpatient Sample, assessing correlations with demographics, socioeconomic status, geographic regions, depression, and anxiety. The primary aim focused on SUD, defined as substance abuse or dependence (: F10-F19) excluding unspecified use or remission, among hospitalizations documenting IBD (Crohn's disease or ulcerative colitis; : K50-51) as one admitting diagnosis (IBD-D). The prevalence of SUD among hospitalizations with and without IBD was compared.
View Article and Find Full Text PDFJ Med Virol
January 2025
Department of Infection Biology, Global Center for Pathogen and Human Health Research, Lerner Research Institute, Cleveland Clinic, Cleveland, Ohio, USA.
Kaposi's sarcoma-associated herpesvirus (KSHV) employs diverse mechanisms to subvert host immune responses, contributing to its infection and pathogenicity. As an immune evasion strategy, KSHV encodes the Membrane-Associated RING-CH (MARCH)-family E3 ligases, K3, and K5, which target and remove several immune regulators from the cell surface. In this study, we investigate the impact of K3 and K5 on lymphotoxin receptor (LTβR) ligands, LTβ and LIGHT, which are type II transmembrane proteins and function as pivotal immune mediators during virus infection.
View Article and Find Full Text PDFJ Thorac Dis
December 2024
Division of Thoracic Surgery, Department of Surgery, Keck School of Medicine, University of Southern California, Los Angeles, CA, USA.
J Clin Aesthet Dermatol
January 2025
Background: Online health-related information (HRI) has expanded access to medical knowledge. While there are benefits to the increasing availability of online HRI, there may be limitations to the accuracy, quality of information, and utilization across patient demographics.
Methods: A survey was administered to dermatology outpatients at the Keck School of Medicine of the University of Southern California to examine the utilization of internet and social media for acquiring dermatology-related information (DRI).
J Clin Aesthet Dermatol
January 2025
Dr. Armstrong is with the David Geffen School of Medicine at the University of California, Los Angeles in Los Angeles, California.
medRxiv
January 2025
Vanderbilt Memory & Alzheimer's Center, Vanderbilt University Medical Center, Nashville, TN, USA.
Importance: "SuperAgers" are oldest-old adults (ages 80+) whose memory performance resembles that of adults in their 50s to mid-60s. Factors underlying their exemplary memory are underexplored in large, racially diverse cohorts.
Objective: To determine the frequency of genotypes in non-Hispanic Black and non-Hispanic White SuperAgers compared to middle-aged (ages 50-64), old (ages 65-79), and oldest-old (ages 80+) controls and Alzheimer's disease (AD) dementia cases.
Drug Alcohol Depend Rep
September 2024
Department of Population and Public Health Sciences, Keck School of Medicine, University of Southern California, Los Angeles, California, USA.
Introduction: Opioid overdose mortality rates have surged dramatically in the last decade due largely to fentanyl in the illicit US drug supply. As of June 2024, 38 states, three territories, namely US Virgin Islands, Guam and the Northern Mariana Islands, and the District of Columbia, allow the medical use of cannabis products. However, there remains limited qualitative community-based evidence on the role of cannabis co-use among opioid using and injecting populations.
View Article and Find Full Text PDFClin Diabetes
September 2024
Center for Endocrinology, Diabetes and Metabolism, Children's Hospital Los Angeles, Los Angeles, CA.
Quality Improvement Success Stories are published by the American Diabetes Association in collaboration with the American College of Physicians and the National Diabetes Education Program. This series is intended to highlight best practices and strategies from programs and clinics that have successfully improved the quality of care for people with diabetes or related conditions. Each article in the series is reviewed and follows a standard format developed by the editors of .
View Article and Find Full Text PDFJ Pediatr Urol
January 2025
Division of Urology, Children's Hospital Los Angeles, USC Institute of Urology, Keck School of Medicine of USC, Los Angeles, CA, USA. Electronic address:
Background: The current gold-standard for detecting vesicoureteral reflux (VUR) is the voiding cystourethrogram (VCUG). However, VCUGs require ionizing radiation and bladder catheterization that can be challenging to perform and traumatic for pediatric patients and their parents.
Objective: To investigate the feasibility of a novel urinary catheter-free modality for diagnosing VUR using in vitro and ex vivo models.
Dev Cogn Neurosci
January 2025
Department of Psychiatry and Behavioral Health, The Ohio State University, Columbus, OH, United States; The Child Mind Institute, New York, NY, United States. Electronic address:
Reading difficulties and exposure to air pollution are both disproportionately high among youth living in economically disadvantaged contexts. Critically, variance in reading skills in youth living in higher socioeconomic status (SES) contexts largely derives from genetic factors, whereas environmental factors explain more of the variance in reading skills among youth living in lower SES contexts. Although reading research has focused closely on the psychosocial environment, little focus has been paid to the effects of the chemical environment.
View Article and Find Full Text PDFJ Pediatr Surg
January 2025
Division of Pediatric Surgery, Rady Children's Hospital San Diego, San Diego, CA, USA; Division of Pediatric Surgery, Dept of General Surgery, UCSD School of Medicine, La Jolla, CA, USA. Electronic address:
Background: There is no consensus on the appropriate duration of postoperative antibiotics for complicated appendicitis in children. Commonly used antibiotic endpoints include normalization of white blood cell count (WBC) or completion of a minimum number of prespecified treatment days. We compared clinical outcomes resulting from varying postoperative antibiotic protocols for complicated appendicitis in children.
View Article and Find Full Text PDFWorld J Surg
January 2025
Precision Medicine Program, Hoag Family Cancer Institute, Newport Beach, California, USA.
Background: A recent prospective phase II study (ECOG-ACRIN E2211) demonstrated that MGMT deficiency was associated with a significant response to capecitabine and temozolomide (CAPTEM) in pancreatic neuroendocrine neoplasms (NENs); however, routine MGMT analysis in NENs was not recommended. Our study sought to demonstrate whether loss of MGMT protein expression is associated with improved overall survival (OS) in patients receiving CAPTEM for NENs from various tumor sites.
Materials And Methods: Paraffin-embedded tumor samples were evaluated by immunohistochemistry (IHC) using an MGMT monoclonal antibody.
Nat Commun
January 2025
National-Local Joint Engineering Laboratory of Druggability and New Drug Evaluation, National Engineering Research Center for New Drug and Druggability (cultivation), Guangdong Province Key Laboratory of New Drug Design and Evaluation, School of Pharmaceutical Sciences, Sun Yat-Sen University, Guangzhou, 510006, China.
Epitranscriptomic modifications, particularly N6-methyladenosine (mA), are crucial regulators of gene expression, influencing processes such as RNA stability, splicing, and translation. Traditional computational methods for detecting mA from Nanopore direct RNA sequencing (DRS) data are constrained by their reliance on experimentally validated labels, often resulting in the underestimation of modification sites. Here, we introduce pum6a, an innovative attention-based framework that integrates positive and unlabeled multi-instance learning (MIL) to address the challenges of incomplete labeling and missing read-level annotations.
View Article and Find Full Text PDFJ Pediatr Orthop
January 2025
Jackie and Gene Autry Orthopedic Center, Children's Hospital Los Angeles, Los Angeles, CA.
Background: Orthopaedic surgical intervention in children with Charcot-Marie-Tooth (CMT) often includes triceps surae lengthening (TSL) and foot procedures to address instability and pain due to equinus and cavovarus deformities. These surgeries may unmask underlying weakness in this progressive disease causing increased calcaneal pitch and excessive dorsiflexion in terminal stance leading to crouch. The purpose of this study was to evaluate changes in ankle function during gait following TSL surgery in children with CMT.
View Article and Find Full Text PDFJSES Int
November 2024
Department of Orthopaedic Surgery, University of Southern California Keck School of Medicine Los Angeles, Los Angeles, CA, USA.
Background: Explicit funding and industry affiliation are believed to potentially impact medical research. There have been an increasing number of studies that have evaluated this relationship. The purpose of this study is to determine whether industry affiliation influences the outcomes of randomized controlled trials that investigate the effectiveness of platelet-rich plasma (PRP) in the treatment of lateral epicondylitis.
View Article and Find Full Text PDFJACC Case Rep
January 2025
Division of Cardiovascular Medicine, Los Angeles General Medical Center, Los Angeles, California, USA.
Gunshot-related myocardial injuries typically result from direct penetrating injury by the traversing bullet. We present a case of gunshot-related myocardial injury in the absence of direct penetrating injury to the cardiac structures and describe alternative mechanisms for ballistic-induced injury.
View Article and Find Full Text PDFJ Med Educ Curric Dev
January 2025
Keck School of Medicine, University of Southern California, Los Angeles, CA, USA.
Background: There are few opportunities in undergraduate medical education that provide formal training in engineering and scientific innovation. Institutions have sought to address student-specific career goals through combined degree programs such as the Medical Scientist Training Program and MD/MBA. However, only a small percentage of medical students pursue these additional degrees.
View Article and Find Full Text PDFAlzheimers Dement (Amst)
January 2025
Introduction: Cross-sectional resting-state functional magnetic resonance imaging (rsfMRI) studies have revealed altered complexity with advanced Alzheimer's disease (AD) stages. The current study conducted longitudinal rsfMRI complexity analyses in AD.
Methods: Linear mixed-effects (LME) models were implemented to evaluate altered rates of disease progression in complexity across disease groups.
Int J Lab Hematol
January 2025
Department of Pathology, University of Southern California Keck School of Medicine, Los Angeles, California, USA.
Hum Mol Genet
January 2025
Epidemiology Program, University of Hawaii Cancer Center, 701 Ilalo Street, Honolulu, HI 96813, United States.
Background: Cadmium (Cd), classified as an International Agency for Research on Cancer (IARC) Group 1 human carcinogen, is present in cigarette smoke. Recent studies have illustrated the potential role of genetics in influencing Cd biomarker levels.
Methods: We conducted a genome-wide association study (GWAS) of urinary Cd levels in 1977 current smokers from the Multiethnic Cohort Study, comprising participants from five different racial and ethnic groups.
Neurology
February 2025
Department of Population and Public Health Sciences, Keck School of Medicine, University of Southern California, Los Angeles.
Background And Objectives: Multiple sclerosis (MS)-related disability in Hispanic people with MS is associated with inequities in social determinants of health (SDOH) as measured by composite indices of areal-level census data. Studies of individual-level measures of SDOH are lacking. This study examined the separate and joint effects of person-centered SDOH indicators and an area-level composite on MS disability measures.
View Article and Find Full Text PDFDev Cogn Neurosci
January 2025
Child Mind Institute, New York, NY, USA; Department of Psychiatry and Behavioral Health, The Ohio State University, Columbus, OH, USA. Electronic address:
A left-lateralized cortical reading circuit underlies successful reading and fails to engage in individuals with reading problems. Studies identifying this circuit included youth from economically advantaged backgrounds and focused on cortical, not subcortical, structures. However, among youth with low scores on reading tests who are living in the context of economic disadvantage, this brain network is actively engaged during reading, despite persistent reading problems.
View Article and Find Full Text PDFInt J Dermatol
January 2025
Division of Photobiology and Photomedicine, Department of Dermatology, Henry Ford Health, Detroit, MI, USA.
Few studies discuss the co-management of vitiligo and acquired hyperpigmentation disorders (AHD) such as melasma, erythema dyschromicum perstans, post-inflammatory hyperpigmentation, drug-induced hyperpigmentation, and lichen planus pigmentosus. This review discusses clinical studies examining co-management strategies and identifies current practice gaps. Dermatology Life Quality Index scores are higher in individuals with vitiligo or melasma.
View Article and Find Full Text PDF