Background: Limitations in thumb radial abduction (i.e., carpometacarpal extension) are commonly experienced by persons with thumb carpometacarpal osteoarthritis.
View Article and Find Full Text PDFGlutathione (GSH) is an abundant thiol-containing tripeptide that functions in redox homeostasis, protein folding, and iron (Fe) metabolism. In Saccharomyces cerevisiae, GSH depletion leads to increased sensitivity to oxidants and other toxic compounds, disruption of iron-sulfur (Fe-S) cluster biogenesis, and eventually cell death. GSH pools are supplied by intracellular biosynthesis and GSH import from the extracellular environment.
View Article and Find Full Text PDFImportance: Occupational therapy practitioners need modern tools for the assessment of maximal grip strength in clinical and remote settings.
Objective: To establish the (1) interrater reliability and (2) precision of the GripAble among three raters with different expertise in occupational therapy when testing healthy participants, and to (3) evaluate the relative reliabilities of different approaches to estimating grip strength (i.e.
The photoelectron (PE) spectra of CFX (X = Cl, Br, I) and computational results on the anions and neutrals are presented and compared to previously reported results on CF [McGee, C. J. 2023, 127, 8556-8565.
View Article and Find Full Text PDFAlzheimer's disease (AD) is the most common form of senile dementia, presenting a significant challenge for the development of effective treatments. AD is characterized by extracellular amyloid plaques and intraneuronal neurofibrillary tangles. Therefore, targeting both hallmarks through inhibition of amyloid beta (Aβ) and tau aggregation presents a promising approach for drug development.
View Article and Find Full Text PDFDi-, tri-, and tetrafluorophenyl radicals each have three regioisomers, several of which can form multiple distinct radical structures. We present the photoelectron spectra of the di-, tri-, and tetrafluorophenide regioisomer anions generated from their associated fluorobenzene precursors. By comparing the spectra to the results of density functional theory calculations, we determine that in cases where more than one possible radical isomer is possible for a given regioisomer (radicals formed from 1,2-difluorobenzene, 1,3-difluorobenzene, 1,2,3-trifluorobenzene, and 1,2,4-trifluorobenzene) the most stable anion corresponds to a less stable neutral, suggesting that the reactive C-center on these fluorine-substituted phenyl groups can be controlled by charge state.
View Article and Find Full Text PDFBackground: Parkinson's disease is a progressive neurological disease with limited treatment options. Animal models and a proof-of-concept case series have suggested that photobiomodulation may be an effective adjunct treatment for the symptoms of Parkinson's disease. The aim was to determine the safety and feasibility of transcranial photobiomodulation (tPBM) to reduce the motor signs of Parkinson's disease.
View Article and Find Full Text PDFSubstituents have a profound effect on the electronic structure of the benzene molecule. In this paper, we present new photoelectron spectra of the CHF molecular anion, to test predictions [ 2017, 188, e25504] that pentafluorobenzene has a positive electron affinity, as hexafluorobenzene was already known to have. The PE spectrum of CHF exhibits a broad and vibrationally unresolved band due to significant differences between the structure of the anion and the neutral.
View Article and Find Full Text PDFBackground: While the literature is abundant on hand therapy assessment and treatment of nonsurgical thumb carpometacarpal (CMC) osteoarthritis (OA), clarity and uniformity are meager, making it a desirable diagnosis to establish expert consensus.
Purpose: This study aimed to ascertain if consensus exists for the assessment and treatment of nonsurgical management of thumb CMC OA in the hand therapy clinical setting.
Study Design: This was a consensus paper via the modified Delphi approach.
The electron affinities (EAs) of a series of ·CHF (1 ≤ ≤ 4) fluorophenyl radicals are determined from the photoelectron spectra of their associated fluorophenide anions generated from CHF (1 ≤ ≤ 4) fluorobenzene precursors. The spectra show a near-linear incremental increase in EA of 0.4 eV/.
View Article and Find Full Text PDFUnlabelled: Emerging evidence suggests that not only the frequency and composition of tumor-infiltrating leukocytes but also their spatial organization might be a major determinant of tumor progression and response to therapy. Therefore, mapping and analyzing the fine tumor immune architecture could potentially provide insights for predicting cancer prognosis. Here, we performed an explorative, prospective clinical study to assess whether structures within the tumor microenvironment can predict recurrence after salvage surgery in head and neck squamous cell carcinoma (HNSCC).
View Article and Find Full Text PDFBackground: Measurement of treatment outcomes and change in health status over time is a critical component of clinical practice and research for people with osteoarthritis. Numerous clinical tools are used to assess the structures and function of the thumb in persons with thumb carpometacarpal osteoarthritis however their psychometrics have not yet been systematically explored.
Purpose: The purpose of this study was to explore the psychometric properties of clinical tools used in persons with non-surgical thumb carpometacarpal osteoarthritis to objectively measure thumb structures and function, evaluate the quality of such studies, and subsequently make clinical and future research recommendations.
Emerging evidence is increasingly supporting the use of transcranial photobiomodulation (tPBM) to improve symptoms of neurodegenerative diseases, including Parkinson's disease (PD). The objective of this study was to analyse the safety and efficacy of tPBM for PD motor symptoms. The study was a triple blind, randomized placebo-controlled trial with 40 idiopathic PD patients receiving either active tPBM (635 nm plus 810 nm LEDs) or sham tPBM for 24 min per day (56.
View Article and Find Full Text PDFBackground: IMOVE evaluated the contributions of movement and social engagement to quality of life, brain network connectivity, and motor and social-emotional functioning in people with early-stage Alzheimer's disease participating with a caregiver. In response to COVID-19 restrictions, a pilot study was conducted to assess integrity of key elements of the intervention and feasibility of virtual intervention delivery.
Methods: Participants in the parent study were randomized to one of 4 study conditions (Movement Group [MG], Movement Alone [MA], Social Group [SG], or Usual Care [UC; control]).
J Hand Surg Am
November 2024
Purpose: The purpose of this study was to determine the test-retest reliability and precision of Rotterdam Intrinsic Hand Myometer (RIHM) in healthy adults.
Methods: Twenty-nine participants originally recruited via convenience sampling at a Midwestern state fair returned approximately 8 days later for retest. An average of three trials for each of the five intrinsic hand strength measurements were collected using the same technique that was used during initial testing.
Carbon dots (CDs) have attracted much attention due to their excellent properties and applications, especially the use for gene delivery. Considering the risks and concerns involved in the use of viral vectors for gene delivery in vivo, non-viral vectors such as CDs have gradually become an ideal alternative due to their biocompatibility and low toxicity. Therefore, in this study, the potential to apply CDs as a non-viral vector for gene delivery was investigated.
View Article and Find Full Text PDFOur profession now faces unprecedented challenges. The impacts of the COVID-19 pandemic have been acutely catastrophic and the uncertainty of the effects of value-based healthcare also raises concerns. However, while the state of the world as we know it is turbulent and uncertain, our profession has a long-standing history of resilience, can weather this storm, and has great potential to thrive.
View Article and Find Full Text PDFThe impact of COVID-19 is still felt around the world, and more information is needed regarding infection risk, vaccination responses, and the timing of booster vaccinations. We aimed to evaluate the association of vaccination with closely followed, longitudinal antibody titers and COVID-19 infection events. We conducted a natural history study in a convenience cohort in an ambulatory research unit.
View Article and Find Full Text PDFIntroduction: Parkinson's disease (PD) is the second most common, progressive, and debilitating neurodegenerative disease associated with aging and the most common movement disorder. Photobiomodulation (PBM), the use of non-thermal light for therapeutic purposes using laser or light emitting diodes (LED) is an emerging non-invasive treatment for a diverse range of neurological conditions. The main objectives of this clinical trial are to investigate the feasibility, safety, tolerability, and efficacy of a novel transcranial LED helmet device (the "PDNeuro") in the alleviation of symptoms of PD.
View Article and Find Full Text PDF