282,612 results match your criteria: "NC; Duke Center for Health Informatics[Affiliation]"

Introduction: Sleep disturbances are associated with Alzheimer's disease (AD) and Alzheimer's disease and related dementias (ADRD), but the relationship between sleep architecture, particularly rapid eye movement (REM) sleep, and AD/ADRD biomarkers remains unclear.

Methods: We enrolled 128 adults (64 with Alzheimer's disease, 41 with mild cognitive impairment [MCI], and 23 with normal cognition [NC]), mean age 70.8 ± 9.

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Background And Objectives: The study seeks to elucidate the pathways by which the Caregiver TLC psycho-educational program impacts the psychological health of caregivers by examining the degree to which changes in self-efficacy, personal gains, and emotional support mediate the changes on perceived depression, anxiety and burden.

Research Design And Methods: Using pre-post data from the Caregiver TLC randomized controlled trial (n = 81) for each outcome and mediator pair, a series of multiple regression models were executed to test the degree to which the program's total effects on changes in depression, burden and anxiety from baseline to post-intervention are due to changes in each mediator variable from pre- and post-intervention assessments. Caregivers were primarily female (85%), White (62 %), Black (38%), with a median age of 62 and household income of $75,000+.

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Adeno-associated virus (AAV) inverted terminal repeats (ITRs) induce p53-dependent apoptosis in human embryonic stem cells (hESCs). To interrogate this phenomenon, a synthetic ITR (SynITR), harboring substitutions in putative p53 binding sites was generated and evaluated for vector production and gene delivery. Replication of SynITR flanked transgenic genome was similar compared to wild type (wt) ITR, with a modest increase in vector titers.

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Introduction: Traditionally, augmentative and alternative communication (AAC) user interface development has been a time-intensive process requiring expertise in software development, often excluding people who use AAC. This paper demonstrates the involvement of an end user in the design and testing of prototype AAC user interfaces (UIs) developed using a platform called the Open Source Design and Programmer Interface (OS-DPI).

Methods: Micro-analysis of in-person conversation involving an adult with intellectual and developmental disabilities who uses AAC revealed several problems related to accessing his aided AAC device.

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Objectives: Diabetes mellitus is a chronic disease that has become more prevalent worldwide because of lifestyle changes. It leads to serious complications, including increased atherosclerosis, protein glycosylation, endothelial dysfunction, and vascular denervation. These complications impair neovascularization and wound healing, resulting in delayed recovery from injuries and an elevated risk of infections.

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Osteopetrosis is a rare genetic disorder that leads to increased bone density and fragility due to dysfunctional osteoclasts, which can result in narrowed bone marrow spaces, hardened cartilage, and brittle bones. This condition frequently coexists with osteoarthritis among affected individuals. When osteoarthritis results in significant pain and impairs function, surgical interventions such as total joint arthroplasty may be recommended, although these procedures come with a unique set of surgical and recovery-related hurdles.

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Dual opposing quadrature-PT symmetry.

iScience

January 2025

Department of Electrical and Computering Engineering, Binghamton University, Binghamton, NY 13902, USA.

Our recent research on type-I quadrature parity-time (PT) symmetry, utilizing an open twin-beam system, not only enables observing genuine quantum photonic PT symmetry amid phase-sensitive amplification (PSA) and loss in the presence of Langevin noise but also reveals an additional classical-to-quantum (C2Q) transition in noise fluctuations. In contrast to the previous setup, our exploration of an alternative system assuming no loss involves a type-II PSA-only scheme. This scheme facilitates dual opposing quadrature-PT symmetry, offering a comprehensive and complementary comprehension of C2Q transitions and PT-enhanced quantum sensing with optimal performance in the symmetry unbroken region.

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Fully Synthetic Data for Complex Surveys.

Surv Methodol

December 2024

Department of Statistical Science, 214a Old Chemistry Building, Duke University, Durham, NC 27708-0251.

When seeking to release public use files for confidential data, statistical agencies can generate fully synthetic data. We propose an approach for making fully synthetic data from surveys collected with complex sampling designs. Our approach adheres to the general strategy proposed by Rubin (1993).

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Highly sensitized (HS) patients in need of kidney transplantation (KTx) typically spend a longer time waiting for compatible kidneys, are unlikely to receive an organ offer, and are at increased risk of antibody-mediated rejection (AMR). Desensitization using imlifidase, which is more rapid and removes total body immunoglobulin G (IgG) to a greater extent than other methods, enables transplantation to occur between HLA-incompatible (HLAi) donor-recipient pairs and allows patients to have greater access to KTx. However, when the project was launched there was limited data and clinical experience with desensitization in general and with imlifidase specifically.

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Targeting tumor angiogenesis with safe endogenous protein inhibitors is a promising therapeutic approach despite the plethora of the first line of emerging chemotherapeutic drugs. The extracellular matrix network in the blood vessel basement membrane and growth factors released from endothelial and tumor cells promote the neovascularization which supports the tumor growth. Contrastingly, small cleaved cryptic fragments of the C-terminal non collagenous domains of the same basement membrane display antiangiogenic effect.

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Proton pump inhibitors and all-cause mortality risk among cancer patients.

World J Clin Oncol

January 2025

Department of Supportive Oncology, Atrium Health Levine Cancer, Charlotte, NC 28204, United States.

Background: Proton pump inhibitors (PPIs) are widely used, including among cancer patients, to manage gastroesophageal reflux and other gastric acid-related disorders. Recent evidence suggests associations between long-term PPI use and higher risks for various adverse health outcomes, including greater mortality.

Aim: To investigate the association between PPI use and all-cause mortality among cancer patients by a comprehensive analysis after adjustment for various confounders and a robust methodological approach to minimize bias.

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Background: In adolescents and adults with tetralogy of Fallot (TOF), right ventricle (RV) electromechanical dyssynchrony (EMD) due to right bundle branch block (RBBB) is associated with reduced exercise capacity and RV dysfunction. While the development of RBBB following surgical repair of tetralogy of Fallot (rTOF) is a frequent sequela, it is not known whether EMD is present in every patient immediately following rTOF. The specific timing of the onset of RBBB following rTOF therefore provides an opportunity to assess whether acute RBBB is associated with the simultaneous acquisition of EMD.

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Background: Sodium-glucose cotransporter 2 inhibitors (SGLT2i) have shown benefits in improving cardiovascular (CV) outcomes in patients with heart failure (HF) and may mitigate symptom progression in myocardial infarction (MI). However, their effectiveness in patients with type 2 diabetes and MI undergoing percutaneous coronary intervention (PCI) is unclear.

Methods: To identify eligible studies, a comprehensive search of electronic databases, PubMed, Cochrane Library, Scopus and Embase, was conducted from inception until May 2024.

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Unlabelled: or "first, do no harm" is perhaps the most well-known aphorism in the culture of medical education. While its application to patients is well known, the injunction can also be read with medical trainees in mind. Teaching physicians have an obligation to recognize their role as moral teachers and coaches, who must consider "first, do no harm" not only when considering their patients but also when weighing the moral formation of their trainees, especially in a season in which medical educators are attempting to clarify the "harms" of medical training.

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Objective: Given the high burden and increasing prevalence of post-traumatic osteoarthritis (PTOA), identifying clinically beneficial strategies to prevent or delay its onset could improve the quality of life of those at high risk of developing the disease.

Methods: Preventing Injured Knees from OsteoArthritis: Severity Outcomes (PIKASO) is a multicenter blinded, parallel, two-arm randomized controlled trial of 512 individuals aged 18-45 years undergoing anterior cruciate ligament reconstruction (ACLR). This study is designed to evaluate the efficacy of a 12-month intervention of oral metformin vs.

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The accurate quantification of glycemic index (GI) remains crucial for diabetes management, yet current methodologies are constrained by resource intensiveness and methodological limitations. digestion models face challenges in replicating the dynamic conditions of the human gastrointestinal tract, such as enzyme variability and multi-time point analysis, leading to suboptimal predictive accuracy. This review proposes an integrated technological framework combining non-enzymatic electrochemical sensing with artificial intelligence to revolutionize GI assessment.

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Matrix-bound vesicles (MBVs), an integral part of the extracellular matrix (ECM), are emerging as pivotal factors in ECM-driven molecular signaling. This study is the first to report the isolation of MBVs from porcine arterial endothelial cell basement membranes (A-MBVs) and thyroid cartilage (C-MBVs), the latter serving as a negative control due to its minimal vascular characteristics. Using Transmission Electron Microscopy (TEM), Nano-Tracking Analysis (NTA), Electrochemical Impedance Spectroscopy (EIS), and Atomic Force Microscopy (AFM), we orthogonally characterized the isolated MBVs.

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While the physical health effects of obesity are well-characterized, an emerging branch of research has shown that obesity additionally plays a critical role in one's mental health. Young adults, in a pivotal transition phase in their lives, may be particularly prone to the concurrent effects of obesity and adverse mental health outcomes. The purpose of this review is to comprehensively examine existing data regarding the connection between obesity and two widely validated measures of mental health: psychological distress and depression.

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Meta-omics reveals role of photosynthesis in microbially induced carbonate precipitation at a CO-rich geyser.

ISME Commun

January 2024

Department of Plant and Microbial Biology, North Carolina State University, 112 Derieux Place, Thomas Hall, Raleigh, NC 27607, United States.

Microbially induced carbonate precipitation (MICP) is a natural process with potential biotechnological applications to address both carbon sequestration and sustainable construction needs. However, our understanding of the microbial processes involved in MICP is limited to a few well-researched pathways such as ureolytic hydrolysis. To expand our knowledge of MICP, we conducted an omics-based study on sedimentary communities from travertine around the CO-driven Crystal Geyser near Green River, Utah.

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Background: Identifying and eliminating health disparities is a public health priority. The goal of this analysis is to determine whether cardiac testing or outcome disparities exist by race or sex in patients with detectable to mildly elevated serum troponin.

Methods: We conducted a secondary analysis of the CMR-IMPACT trial that randomized patients with symptoms suggestive of acute coronary syndrome and a detectable or mildly elevated troponin measure from 4 US hospitals to an early invasive angiography or cardiac MRI strategy.

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To compare the efficacy and safety of 12-24 hours versus 72 hours of intravenous terlipressin therapy in patients with acute esophageal variceal bleeding (AVB). A systematic search was conducted using PubMed, Scopus, Cochrane Library, Google Scholar, Web of Science, VHL, and ClinicalTrials.gov for studies published up to February 24, 2024.

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Ya That Somdun (YTS) is a traditional Thai medicine composed of six herbs used as a strengthening tonic. Some of the herbs constituting YTS have antihyperlipidemic and anti-obesity activities. The objective of this study was to elucidate the antihyperlipidemic properties of YTS extract in rats with cholesterol suspension-induced hyperlipidemia.

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Background: Nigerian pregnant and lactating women continue to experience high rates of malnutrition and Nigerian women experience long-term discrimination in the allocation and control of productive resources. Nigeria has policies and a governance architecture in place to advance nutrition, but these commitments lack recognition of how gender equity and nutrition are interwoven.

Objective: To address this gap, this study sought to identify and analyze the influence of gender dynamics and gender norms on nutrition and health-related practices in Nigeria.

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The Proximal Protonation Source in Cu-NHx-C Single Atom Catalysts Selectively Boosts CO2 to Methane Electroreduction.

Angew Chem Int Ed Engl

January 2025

Peking University Shenzhen Graduate School, Shool of Chemical Biology and Biotechnology, Lishui Road, Nanshan District, -, Shenzhen, CHINA.

Regulating the coordination environment of active sites has proved powerful for tapping into their catalytic activity and selectivity in homogeneous catalysis, yet the heterogeneous nature of copper single-atom catalysts (SACs) makes it challenging. This work reports a bottom-up approach to construct a SAC (rGO@Cu-N(Hx)-C) by inlaying preformed amine coordinated Cu2+ units into reduced graphene oxide (rGO), permitting molecular level revelation on how the proximal N-site functional groups (N-H or N-CH3) impact on the carbon dioxide reduction reaction (CO2RR). It is demonstrated that the N-H moiety of rGO@Cu-NHx-C can serve as an in-situ protonation agent to accelerate the CO2-to-methane reduction kinetics, delivering a methane current density (163 mA/cm2) 2.

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Self-powered devices for human motion monitoring and energy harvesting have garnered widespread attention in recent research. In this work, we designed a honeycomb-structured triboelectric nanogenerator (H-TENG) using polyester cloth and Teflon tape, with aluminum foil as the conductive electrode. This design leverages the large surface area and flexibility of textiles, resulting in significant performance improvements.

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