Publications by authors named "Steffen A"

Context: Sleep health is multidimensional. While studies have shown associations between certain sleep dimensions and health in type 1 diabetes (T1D), global sleep health has rarely been considered.

Objective: To examine the associations between individual sleep dimensions and multidimensional sleep health (MSH) on glycemic control and self-reported outcomes in T1D.

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Objective: To expand knowledge on physical outcomes and psychosocial experiences of oocyte donors after donation across 3 age cohorts.

Design: Cross-sectional mixed-methods survey.

Patients: A total of 363 participants (ages: 22-71 years, M = 38.

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The cutouts of graphene sheets, particularly those with a nonplanar topology, present vast opportunities for advancement. Even a slight deviation from the planar structure can lead to intriguing (chiro)optical features for helically twisted nanographenes. In this context, we introduce two regioisomeric π-extended nanographenes that exhibit distinct excited-state characteristics.

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Superoxide dismutase (SOD) and Catalase (CAT) play a crucial role as the first line of defense antioxidant enzymes in a living cell. These enzymes neutralize the superoxide anion from the autooxidation of oxyhemoglobin (Oxy-Hb) and convert hydrogen peroxides into water and molecular oxygen. In this study, we fabricated hemoglobin submicron particles (HbMPs) using the Coprecipitation Crosslinking Dissolution (CCD) technique and incorporating first-line antioxidant enzymes (CAT, SOD) and second-line antioxidant (ascorbic acid, Vit.

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Background: Sexual and gender minority (SGM) individuals experience elevated rates of depression due to exposure to unique social stressors associated with membership in a stigmatised minority group. Coping style has been shown to buffer or exacerbate responses to stress. To date, little is known about the risk or protective influence of coping styles on the relationships between stressors and depression in SGM populations.

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Objective: Nasal surgery can improve patient-reported obstructive sleep apnea (OSA) outcomes as well as adherence with medical device treatments. The aim of this study was to examine whether previous nasal surgery was associated with hypoglossal nerve stimulation (HNS) therapy outcomes.

Study Design: Retrospective observational cohort study was performed utilizing the multicenter international HNS registry (ADHERE).

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During development, Shh attracts axons of spinal cord commissural neurons to the floor plate. Shh-mediated attraction of commissural axons requires the receptor Boc. How Boc regulates cytoskeletal changes in growth cones in response to Shh is not fully understood.

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Introduction: Adolescent tobacco use remains a significant public health issue with long-term health consequences. This study investigates the relationship between sexual minority status, school-based violence victimization, and tobacco use among adolescents. The objective is to determine the prevalence of school-based violence victimization and tobacco use behaviors and identify key demographic and experiential risk factors.

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There is growing acceptance for combining complementary and integrative health (CIH) therapies with standard rehabilitative care (SRC) for chronic pain management, yet little evidence on the best sequence of therapies. We investigated whether starting with CIH therapies or SRC is more effective in reducing pain impact. Participants were 280 service members with predominantly (88%) musculoskeletal chronic pain referred to an interdisciplinary pain management center who were randomized to a twice weekly program of either CIH therapies (n = 140) or SRC (n = 140) for the 3-week first stage of treatment.

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Mandibular advancement devices are an effective treatment option for obstructive sleep apnea. While their efficacy depends on the degree of mandibular protrusion, other contributing factors influencing the optimal outcome are not fully understood. This magnetic resonance imaging-based pilot study aimed at investigating whether there are promising planimetric parameters that may be related to the optimal therapeutic position.

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Introduction: First-line treatments for chronic pain include selected complementary and integrative health therapies, including spinal manipulation, acupuncture, yoga, and massage; and standard rehabilitative care, including physical and occupational therapies. This study aimed to uncover critical factors that contribute to pain impact and the effectiveness of complementary and integrative health therapies and standard rehabilitative care among people with chronic pain, with a focus on the role of sleep-related impairment.

Materials And Methods: We conducted a secondary analysis of data from a pragmatic randomized clinical trial of 280 U.

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PROTEIN ARGININE METHYLTRANSFERASES (PRMTs) catalyze arginine (R) methylation that is critical for transcriptional and post-transcriptional gene regulation. In Arabidopsis, PRMT5 that catalyzes symmetric R dimethylation is best characterized. PRMT5 mutants are late-flowering and show altered responses to environmental stress.

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Dynamic actin filament remodeling is crucial for a plethora of fundamental cell biological processes, ranging from cell division and migration to cell communication, intracellular trafficking or tissue development. Cytochalasin B and -D are fungal secondary metabolites frequently used for interference with such processes. Although generally assumed to block actin filament polymerization at their rapidly growing barbed ends and compete with regulators at these sites, our molecular understanding of their precise effects in dynamic actin structures is scarce.

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Article Synopsis
  • Mandibular advancement devices (MAD) effectively treat mild to moderate obstructive sleep apnea (OSA) and are particularly beneficial for patients with high night-to-night variability (NNV).
  • A study revealed that a 60% protrusion distance of MAD significantly reduced apnea-hypopnea index (AHI) and improved sleepiness levels compared to 80% protrusion, though the latter showed no significant change.
  • The results suggest that while higher NNV is linked to severe OSA, it does not automatically disqualify patients from MAD treatment, indicating a need for future research to enhance the relationship between objective OSA measures and patient-reported outcomes (PRO).
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2,5-Bis(phenylethynyl) rhodacyclopentadienes (RCPDs), as a type of Rh(iii) complex, exhibit unusually intense fluorescence and slow intersystem crossing (ISC) due to weak metal-ligand interactions. However, details on their ultrafast photophysics and ISC dynamics are limited. In this work, electronic relaxation upon photoexcitation of two substituted RCPDs with two -COMe (A-RC-A) or -NMe/-COMe (D-RC-A) end groups are comprehensively investigated using femtosecond transient absorption spectroscopy and theoretical analysis.

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Pain management clinics differ in treatments offered, and little evidence exists regarding which combinations of therapies result in best outcomes. This study analyzed clinical encounters and pain outcomes data for associations between treatment composition and outcomes. Retrospective observational study of 2,142 predominantly active-duty US service members referred to an interdisciplinary pain management center between 2014 and 2021.

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Federally qualified health centers (FQHC) aim to improve cancer prevention by providing screening options and efforts to prevent harmful behavior. Patient portals are increasingly being used to deliver health promotion initiatives. However, little is known about patient portal activation rates in FQHC settings and the factors associated with activation.

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Introduction: Parents who use donated gametes or embryos to form their families struggle with telling their children about their genetic origins. We developed the Tool to Empower Parental Telling and Talking (TELL Tool) to support parents in disclosure to their children and an eBook attention control.

Method: A randomized parallel, two-group, attention-controlled clinical pilot trial was conducted online during COVID-19.

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Cyclic amino(alkyl) and cyclic amino(aryl) carbenes (cAACs/cAArCs) have been established as very useful ligands for catalytic and photonic applications of transition metal complexes. Herein, we describe the synthesis of a structurally related sterically demanding, electrophilic [2.2]isoindolinophanyl-based carbene (iPC) that bears a [2.

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The Structural Genomics Consortium is an international open science research organization with a focus on accelerating early-stage drug discovery, namely hit discovery and optimization. We, as many others, believe that artificial intelligence (AI) is poised to be a main accelerator in the field. The question is then how to best benefit from recent advances in AI and how to generate, format and disseminate data to enable future breakthroughs in AI-guided drug discovery.

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Background And Objectives: This study examined the impact of receiving foundational information about aging on continuing education (CE) interests, preferences, and behaviors of mental health providers.

Research Design And Methods: Participants were practicing licensed professional counselors (N = 120) recruited from a random sampling of a state registry. The study employed a 3-group randomized controlled design with participants assigned to 1 of 3 conditions: an aging-specific reading, an opioid use disorder-specific reading, and a CE requirement-specific reading.

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Photoactive zinc(II) complexes typically undergo fluorescence from the singlet excited state as the dominant radiative pathway, as the operative spin-orbit coupling is usually very small and phosphorescence from the triplet state is strongly forbidden. Although dicationic zinc(II) tris(bipyridine) strictly follows this scheme with fluorescence at λ = 326 nm, constructing the ligand sphere as a hemicage was reported to lead to quantitative intersystem crossing (ISC) and subsequent fast phosphorescence with λ = 485 and a short radiative lifetime of ca. 1 μs.

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Background: In Western countries, factors contributing to breast cancer presentation delay have been identified, but little is known about presentation delay in China, where culture and healthcare systems are quite different.

Objective: To describe the delay interval among newly diagnosed breast cancer patients in China and to identify factors influencing delay, including the COVID-19 pandemic.

Methods: Using a cross-sectional design, we recruited 154 participants within 3 months of pathological diagnosis of breast cancer.

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Purpose: To describe the training, preliminary results, and lessons learned from using patient navigators to increase the enrollment of low-income patients in a health system-supported and electronic health record-linked patient portal.

Methods: Patient navigators (n=4) were trained to assist patients in a federally qualified health center to enroll in and use patient portals. Patient navigators were stationed at 3 clinic locations.

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Purpose: To conduct a randomized controlled trial to compare 3 implementation strategies and the impact of facilitated referrals on linkage of Federally Qualified Health Center patients to the Illinois Tobacco Quitline (ITQL).

Methods: This study will be a hybrid type 3 implementation-effectiveness trial guided by 2 implementation science frameworks: reach, effectiveness, adoption, implementation, and maintenance and exploration preparation implementation sustainment. We will evaluate whether sending provider messages through the patient electronic health portal increases patient linkage to the ITQL.

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