5,144,602 results match your criteria: "United States of America; Harvard School of Dental Medicine[Affiliation]"

Converging lines of research indicate that inhibitory control is likely to be compromised in contexts that place competing demands on emotional, motivational, and cognitive systems, potentially leading to damaging impulsive behavior. The objective of this study was to identify the neural impact of three challenging contexts that typically compromise self-regulation and weaken impulse control. Participants included 66 healthy adults (M/SD = 29.

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Problem: Regulatory B-cells (Bregs, CD19CD24CD38) are a specialized B-cell subset that suppresses immune responses and potentially contribute to the maintenance of an immune-privileged environment for fetal development during pregnancy. However, little is known about the surrounding immunological environment of Bregs in gestational physiology. The relationship of regulatory T-cells (Tregs, CD4CD25CD127FoxP3) to Bregs in coordinating immunoregulation during pregnancy is unknown.

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Background: Among people with abdominal obesity, women are more likely to develop diabetes than men. Mobile health (mHealth)-based technologies provide the flexibility and resource-saving opportunities to improve lifestyles in an individualized way. However, mHealth-based diabetes prevention programs tailored for busy mothers with abdominal obesity have not been reported yet.

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Exploring Health Educational Interventions for Children With Congenital Heart Disease: Scoping Review.

JMIR Pediatr Parent

January 2025

Department of Design Innovation, College of Design, University of Minnesota, Twin Cities, Minneapolis, MN, United States.

Background: Congenital heart disease (CHD) is the most common birth defect, affecting 40,000 births annually in the United States. Despite advances in medical care, CHD is often a chronic condition requiring continuous management and education. Effective care management depends on children's understanding of their condition.

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Review on the o-aminoaniline Moiety in Peptide and Protein Chemistry.

Chembiochem

January 2025

University of Wisconsin-Madison, Pharmacy, 777 Highland Ave, 53705, Madison, UNITED STATES OF AMERICA.

Peptides and proteins are important functional biomolecules both inside and outside of living organisms. The ability to prepare various types of functionalized peptides and proteins is essential for understanding fundamental biological processes, such as protein folding and post-translational modifications (PTMs), and for developing new therapeutics for many diseases, such as cancers and neurodegenerative diseases. The o-aminoaniline moiety was first proposed for activation to a thioester precursor and used for native chemical ligation to prepare large peptides and proteins.

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Background: Cognitive impairment and limited health literacy are prevalent among patients with heart failure, particularly those residing in rural areas, and are linked to poor health outcomes. Little is known about the intricate relationships among cognitive function, health literacy, and rehospitalization and death in rural patients with heart failure.

Objectives: To determine the relationships among cognitive function, health literacy, and cardiac event-free survival (ie, heart failure hospitalizations and cardiac mortality) in rural patients with heart failure.

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Enhanced Transcriptional Activation in Developing Mouse Photoreceptors.

Invest Ophthalmol Vis Sci

January 2025

Biology and Biochemistry PhD Programs, Graduate Center, City University of New York, New York, New York, United States.

Purpose: Retinal development in the mouse continues past birth and provides a widely used model system in which photoreceptor formation can be observed and manipulated. This experimental paradigm provides opportunities for both gain-of-function and loss-of-function studies, which can be accomplished through in vivo or ex vivo plasmid delivery and electroporation. However, the cis-regulatory elements used to implement this approach have not been fully evaluated or optimized for the unique transcriptional environment of photoreceptors.

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Preferential Sites of Retinal Capillary Occlusion in Sickle Cell Disease.

Invest Ophthalmol Vis Sci

January 2025

Department of Ophthalmology, New York Eye and Ear Infirmary of Mount Sinai, New York, New York, United States.

Purpose: To assess the preferential sites of retinal capillary occlusion at the parafovea in patients with sickle cell disease (SCD) using optical coherence tomography angiography (OCT-A).

Methods: OCT-A scans from 107 patients with SCD and 51 race-matched unaffected controls were obtained using a commercial spectral domain-OCT system. At least eight sequential 3 × 3 mm scans centered at the fovea were acquired and averaged for image analysis.

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Objectives: Dietary interventions are a potentially powerful treatment option for knee osteoarthritis (OA). The objective of this study was to evaluate a well-formulated ketogenic diet (KD) in the context of knee OA histology and pain using the destabilization of the medial meniscus (DMM) mouse model and correlate with gut microbiome and systemic cytokine levels.

Methods: Adult male mice underwent unilateral DMM or sham surgery and were then fed eight weeks of KD or chow.

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This study aimed to assess the correlation between estimated pulse wave velocity (ePWV) and mortality rates related to all-cause and cardiovascular disease (CVD) among individuals diagnosed with chronic kidney disease (CKD) in the United States. A total of 4669 participants with CKD were identified from the National Health and Nutrition Examination Survey conducted between 1999 and 2018. We calculated the incidence of CKD using an estimated glomerular filtration rate (eGFR) of < 60 mL/min/1.

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Transfemoral transcatheter aortic valve Replacement (TAVR) has become the standard therapy for patients with severe aortic stenosis in patients over 75 years old in Europe or 65 years old in the United States, regardless of the surgical risk. Furthermore, iterations of existing transcatheter aortic valves (TAVs), as well as devices with novel concepts, have provided substantial improvements with respect to the limitations of previous-generation devices. Hence, treatment of a broader spectrum of patients has become feasible, and a sophisticated selection of the appropriate TAV tailored to patients' anatomy and comorbidities is now possible.

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Roundup is one of the most widely used glyphosate-based harmful herbicides in the United States as well as globally, which poses a severe risk for terrestrial and aquatic organisms. In order to identify the detrimental effects of Roundup exposure in aquatic organisms, we investigated the environmentally relevant concentrations of Roundup exposure (low dose: 0.5 μg/L and high dose: 5.

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Essential hypertension is one of the most common conditions managed in pediatric cardiology and can result in lasting deleterious effects on the cardiovascular system. Pediatric hypertension is so prevalent in the United States that it is often referred to as a public health challenge. Social determinants of health (SDH) are the cultural, economic, educational, healthcare accessibility, and political influences in the environment in which an individual is born or lives, all of which can affect that individual's overall health.

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Introduction: Dolutegravir is now extensively used in sub-Saharan Africa as a preferred component of antiretroviral therapy (ART). There is a paucity of large studies using routinely collected data from African people living with HIV on dolutegravir-based regimens to inform HIV programmes. We reviewed data in a large programme clinic of people living with HIV on dolutegravir to determine the real-world safety and tolerability of dolutegravir and to describe drivers of treatment discontinuation.

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Introduction: Recent health crises, like COVID-19, have increased the need for nurses with public health competencies, but students lack knowledge and are unconvinced of the importance of the field.

Methods: Pre-licensure nursing students (n = 341) engaged with a public health simulation-infused program (PHSIP) that scaffolded throughout the curriculum. Public health knowledge was tested pre- and post-simulation-based education (SBE), and the simulation effectiveness tool-modified (SET-M) was used to evaluate Learners' perception of the SBE experience.

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An important aspect of precision medicine focuses on characterizing diverse responses to treatment due to unique patient characteristics, also known as heterogeneous treatment effects (HTE) or individualized treatment effects (ITE), and identifying beneficial subgroups with enhanced treatment effects. Estimating HTE with right-censored data in observational studies remains challenging. In this paper, we propose a pseudo-ITE-based framework for analyzing HTE in survival data, which includes a group of meta-learners for estimating HTE, a variable importance metric for identifying predictive variables to HTE, and a data-adaptive procedure to select subgroups with enhanced treatment effects.

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Between- and Within-Cluster Spearman Rank Correlations.

Stat Med

February 2025

Department of Biostatistics, Vanderbilt University, Nashville, Tennessee, USA.

Clustered data are common in practice. Clustering arises when subjects are measured repeatedly, or subjects are nested in groups (e.g.

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The development of smart materials capable of separating dihydrogen isotopologues has risen recently. Among potential candidates, the flexible MIL-53 (Al) has been gaining attention due to its structural flexibility providing the so-called ''breathing mechanism'' that can be useful to separate hydrogen isotopologues selectively. In the present work, an in situ continuous wave electron paramagnetic resonance investigation has been proven as a sensitive technique to follow the isotopologue-selective adsorption-desorption of dihydrogen species on the paramagnetic metal-doped MIL-53 (Al0.

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Advances in next-generation sequencing technology have enabled the high-throughput profiling of metagenomes and accelerated microbiome studies. Recently, there has been a rise in quantitative studies that aim to decipher the microbiome co-occurrence network and its underlying community structure based on metagenomic sequence data. Uncovering the complex microbiome community structure is essential to understanding the role of the microbiome in disease progression and susceptibility.

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Non-Parametric Estimation for Semi-Competing Risks Data With Event Misascertainment.

Stat Med

February 2025

Department of Biostatistics and Health Data Science, Indiana University, Indianapolis, IN.

The semi-competing risks data model is a special type of disease-state model that focuses on studying the association between an intermediate event and a terminal event and proves to be a useful tool in modeling disease progression. The study of the semi-competing risk data model not only allows us to evaluate whether a disease episode is related to death but also provides a toolkit to predict death, given that the episode occurred at a certain time. However, the computation of the semi-competing risk models is a numerically challenging task.

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This manuscript derives the allocation predictability measured by the correct guess probability and the probability of being deterministic for individual treatment assignments, as well as the averages of a randomization sequence, based on the treatment imbalance transition matrix and the conditional allocation probability. The methods described are applicable to restricted randomization designs that satisfy the following criteria: (1) two-arm equal allocation, (2) restriction of maximum tolerated imbalance, and (3) conditional allocation probability fully determined by the observed current treatment imbalance. Analytical results indicate that, for two-arm equal allocation trials, allocation predictability alternates by the odd/even sequence order of the treatment assignment.

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Prophylactic Use of Cardiac Medications and Survival in Duchenne Muscular Dystrophy.

Muscle Nerve

January 2025

Stead Family Department of Pediatrics, Roy J. and Lucille A. Carver College of Medicine, The University of Iowa, Iowa City, Iowa, USA.

Introduction/aims: Prophylactic treatment of left ventricular dysfunction (LVD) in Duchenne muscular dystrophy (DMD) delays onset of LVD, but there is limited data showing impact on survival. Our aim was to describe survival among treated and untreated individuals with DMD.

Methods: Retrospective, population-based surveillance data from the Muscular Dystrophy Surveillance, Tracking and Research Network (MD STARnet) were used.

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