Publications by authors named "Palmer S"

Background: Idiopathic membranous nephropathy is a common cause of nephrotic syndrome in adults. The Kidney Disease Improving Global Outcomes guidelines recommend rituximab or cyclophosphamide and steroids, or calcineurin inhibitor-based therapy. However, there have been few or no head-to-head comparisons of the relative efficacy and safety of different immunosuppression regimens.

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Follicle-stimulating hormone (FSH) and its G protein-coupled receptor, FSHR, represents a paradigm for receptor signaling systems that activate multiple and complex pathways. Classically, FSHR activates Gαs to increase intracellular levels of cAMP, but its ability to activate other G proteins, and β-arrestin-mediated signaling is well documented in many different cell systems. The pleiotropic signal capacity of FSHR offers a mechanism for how FSH drives multiple and dynamic downstream functions in both gonadal and non-gonadal cell types, including distinct diseases, and how signal bias may be achieved at a pharmacological and cell system-specific manner.

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Diacetyl (DA) is an α-diketone that is used to flavor microwave popcorn, coffee, and e-cigarettes. Occupational exposure to high levels of DA causes impaired lung function and obstructive airway disease. Additionally, lower levels of DA exposure dampen host defenses in vitro.

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The objectives were to: (1) adapt the Nutrition Environment Measures Survey for Stores (NEMS-S) to better culturally fit small Latino grocery stores () in Iowa; (2) assess the newly adapted Latino NEMS-S for inter-rater and test-retest reliability; and (3) compare Latino and original NEMS-S summary scores. This pilot instrument, containing culturally appropriate foods from the original NEMS-S and 2015 US Dietary Guidelines for Americans, underwent two rounds of formative evaluation. The new instrument and scoring protocol were applied to a random sample of 42 of 81 possible in Iowa.

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Rationale & Objective: In Aotearoa/New Zealand, Indigenous Māori experience inequitable delivery of kidney transplantation despite disproportionately higher rates of kidney failure. This study describes Māori patients' and families' values, perspectives, and experiences related to kidney transplantation.

Study Design: Qualitative interview study.

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Background: Uncertainty regarding the reproducibility of the apparent diffusion coefficient (ADC) hampers the use of quantitative diffusion-weighted imaging (DWI) in evaluation of the prostate with magnetic resonance imaging MRI. The quantitative imaging biomarkers alliance (QIBA) profile for quantitative DWI claims a within-subject coefficient of variation (wCV) for prostate lesion ADC of 0.17.

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The objective was to undertake an early cost-effectiveness assessment of valoctocogene roxaparvovec (valrox; Roctavian) compared to factor (F)VIII prophylaxis or emicizumab (Hemlibra; Roche HQ, Bazel, Switzerland) in patients with severe Hemophilia A (HA) without FVIII-antibodies. We also aimed to incorporate and quantify novel measures of value such as treatment durability, maximum value-based price (MVBP) and break-even time (ie, time until benefits begin to offset upfront payment). We constructed a Markov model to model bleeds over time which were linked to costs and quality-of-life decrements.

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Article Synopsis
  • Despite ongoing antiretroviral therapy (ART), HIV-1 remains hidden in CD4+ T cells, posing challenges for an effective cure due to potential viral rebound if treatment stops.
  • Research using Full-Length Individual Proviral Sequencing showed that the HIV-1 virus evolves over time in different types of CD4+ T cells in 24 participants, with more intact viral forms found in effector memory T cells compared to other subsets.
  • The study also indicates that the Nef protein is important for the persistence of the virus, highlighting effector memory T cells as a critical part of the HIV-1 reservoir and suggesting Nef as a potential target for new therapies.
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Rationale & Objective: Patients receiving hemodialysis experience high symptom burden and low quality of life (QOL). Electronic patient-reported outcome measures (e-PROMs) monitoring with feedback to clinicians may be an acceptable intervention to improve health-related QOL for patients receiving hemodialysis. This study explored patient and clinician perspectives on e-PROMs monitoring with feedback to clinicians.

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Lung transplant offers the potential to extend life for patients with idiopathic pulmonary fibrosis (IPF); yet, this therapeutic modality is only available to a small proportion of patients. To identify clinical characteristics and social determinants of health that differentially associate with lung transplant compared with death in patients with IPF. We evaluated data from the Idiopathic Pulmonary Fibrosis Prospective Outcomes (IPF-PRO) Registry, a multicenter U.

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The main aim of this scoping review was to understand how work-related quality of life (WRQoL) in adult social care has been defined and measured in the literature and to map key components of WRQoL among those working in adult social care and similar contexts. The scoping review included studies that: 1- focused on WRQoL/work-related wellbeing (and their synonyms); and 2- included adult social care or community health care. We searched existing evidence from November 2019 until July 2020 through an electronic literature search of eight major databases complemented by the grey literature, searching the reference lists and by contacting our existing network of experts in the field.

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Idiopathic pulmonary fibrosis (IPF) is a progressive and ultimately fatal disease with a variable clinical course. Biomarkers that predict patient outcomes are needed. We leveraged data from 300 patients in the multicenter IPF-PRO Registry to determine associations between circulating proteins and the composite outcome of respiratory death or lung transplant.

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Article Synopsis
  • Long-term care (LTC) workers face challenging conditions that affect their work-related quality of life (CWRQoL), but a standardized measurement tool does not exist.
  • The study employs a mixed-methods approach to create a scale for CWRQoL, involving literature reviews, interviews, and surveys, and identifies seven key domains along with 23 sub-domains impacting their work experience.
  • The findings emphasize the need for a validated CWRQoL scale and reveal significant challenges like financial stress and emotional burdens exacerbated by the impact of COVID-19 on LTC workers' mental wellbeing.
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One-quarter of patients with acute decompensated heart failure (ADHF) experience acute kidney injury (AKI)-an abrupt reduction or loss of kidney function associated with increased long-term mortality. There is a critical need to identify early and real-time markers of AKI in ADHF; however, to date, no protein biomarkers have exhibited sufficient diagnostic or prognostic performance for widespread clinical uptake. We aimed to identify novel protein biomarkers of AKI associated with ADHF by quantifying changes in protein abundance in the kidneys that occur during ADHF development and recovery in an ovine model.

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T cell polyfunctionality is a hallmark of protective immunity against pathogens and cancer, yet the molecular mechanism governing it remains mostly elusive. We found that canonical Wnt agonists inhibited human memory CD8+ T cell differentiation while simultaneously promoting the generation of highly polyfunctional cells. Downstream effects of Wnt activation persisted after removal of the drug, and T cells remained polyfunctional following subsequent cell division, indicating the effect is epigenetically regulated.

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Background: Reported experiences of racism in Aotearoa New Zealand are consistently associated with negative measures of health, self-rated health, life satisfaction, and reduced access to high-quality healthcare with subsequent poor health outcomes. In this paper, we report on perceptions and experiences of prejudice and racism by Indigenous Māori with kidney disease and their family members and donors who took part in a wider study about experiences of kidney transplantation.

Methods: We conducted semi-structured interviews with 40 Māori between September and December 2020.

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Background: The first histology-independent marketing authorisation in Europe was granted in 2019. This was the first time that a cancer treatment was approved based on a common biomarker rather than the location in the body at which the tumour originated. This research aims to explore the implications for National Institute for Health and Care Excellence appraisals.

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Aims: People with chronic kidney disease (CKD) living in rural communities have increased risks of death, morbidity, hospitalization and poorer quality of life compared with people with CKD living in urban areas. This study explores the experiences and perceptions of rural and remote patients and families in relation to accessing health services for kidney disease in Aotearoa New Zealand.

Methods: We conducted an In-depth interview study.

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Neurofilaments heavy chain proteins (pNF-H) have been identified as useful serum biomarkers for humans and animals with neurologic conditions, some of which can lead to poor performance, and athletic injuries. However, there are no published reports that describe a reference range for serum pNF-H levels in healthy racehorses. This cross-sectional study was carried out to determine the serum concentration of pNF-H in 1,349 samples collected from 1,291 clinically healthy standardbred (SB) racehorses.

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To address the complex challenge of global antimicrobial resistance (AMR), a pandemic treaty should include mechanisms that 1) equitably address the access gap for antimicrobials, diagnostic technologies, and alternative therapies; 2) equitably conserve antimicrobials to sustain effectiveness and access across time and space; 3) equitably finance the investment, discovery, development, and distribution of new technologies; and 4) equitably finance and establish greater upstream and midstream infection prevention measures globally. Biodiversity, climate, and nuclear governance offer lessons for addressing these challenges.

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Introduction: Idiopathic pulmonary fibrosis (IPF) and non-IPF, progressive fibrotic interstitial lung diseases (PF-ILD), are associated with a progressive loss of lung function and a poor prognosis. Treatment with antifibrotic agents can slow, but not halt, disease progression, and treatment discontinuation because of adverse events is common. Fibrotic diseases such as these can be mediated by lysophosphatidic acid (LPA), which signals via six LPA receptors (LPA).

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The purpose of this study was to explore the scholarship of doctoral prepared dental hygienists as it relates to advancing the dental hygiene discipline. A qualitative descriptive research design was used to determine patterns regarding dental hygienists' experiences with their doctoral education and resulting scholarly activities. Purposive and network sampling were used to identify potential participants.

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The National School Lunch Program (NSLP) serves 29.6 million lunches each day. Schools must offer ½ a cup of fruit for each lunch tray.

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