Publications by authors named "JOHNSON D"

The bovine conceptus elongates near Day 16 of development and releases interferon-tau (IFNT), disrupting the endometrial luteolytic mechanism to sustain luteal P4 and pregnancy. Conceptus factors other than IFNT modify local endometrial activities to support pregnancy; however, the microenvironment is largely uncharacterized. We utilized a bovine conceptus-endometrial culture system to elucidate the microenvironment in the form of RNA and protein.

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Unlabelled: Cytoplasmic proteins must recruit to membranes to function in processes such as endocytosis and cell division. Many of these proteins recognize not only the chemical structure of the membrane lipids, but the curvature of the surface, binding more strongly to more highly curved surfaces, or 'curvature sensing'. Curvature sensing by amphipathic helices is known to vary with membrane bending rigidity, but changes to lipid composition can simultaneously alter membrane thickness, spontaneous curvature, and leaflet symmetry, thus far preventing a systematic characterization of lipid composition on such curvature sensing through either experiment or simulation.

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Progesterone receptors (PR) can regulate transcription by RNA Polymerase III (Pol III), which transcribes small non-coding RNAs, including all transfer RNAs (tRNAs). We have previously demonstrated that PR is associated with the Pol III complex at tRNA genes and that progestins downregulate tRNA transcripts in breast tumor models. To further elucidate the mechanism of PR-mediated regulation of Pol III, we studied the interplay between PR, the Pol III repressor Maf1, and TFIIIB, a core transcription component.

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This joint practice guideline/procedure standard was collaboratively developed by the European Association of Nuclear Medicine (EANM), the Society of Nuclear Medicine and Molecular Imaging (SNMMI), the European Association of Neuro-Oncology (EANO), and the PET task force of the Response Assessment in Neurooncology Working Group (PET/RANO). Brain metastases are the most common malignant central nervous system (CNS) tumors. PET imaging with radiolabeled amino acids and to lesser extent [F]FDG has gained considerable importance in the assessment of brain metastases, especially for the differential diagnosis between recurrent metastases and treatment-related changes which remains a limitation using conventional MRI.

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Objective: This study aimed to predict long-term growth-related changes in skeletal and dental relationships within the craniofacial complex using machine learning (ML) models.

Materials And Methods: Cephalometric radiographs from 301 subjects, taken at pre-pubertal (T1, age 11) and post-pubertal stages (T2, age 18), were analysed. Three ML models-Lasso regression, Random Forest, and Support Vector Regression (SVR)-were trained on a subset of 240 subjects, while 61 subjects were used for testing.

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Article Synopsis
  • The study investigates CP symmetry violation in the decay of D^{+} particles into K^{-}K^{+}π^{+} using data from proton-proton collisions at a high energy of 13 TeV.
  • A unique model-independent method was employed to analyze the phase-space distributions of D^{+} and D^{-} particles, correcting for any instrumental biases using D_{s}^{+} decays.
  • The findings indicate no significant evidence of CP violation, with a p value of 8.1%, and measure specific CP asymmetry observables, marking this study as the most sensitive search of its kind in multibody decays.
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The Engraft Learning Health Network (LHN) aims to improve outcomes for patients undergoing transplant and cellular therapy (TCT) through a collaborative, data-driven approach. Engraft brings together diverse stakeholders, including clinicians, patients, caregivers, and institutions, to standardize best practices and accelerate the dissemination of innovations in TCT care. By establishing a multicenter, real-world clinical registry focused on rapid-cycle quality improvement (QI) and implementation research, Engraft seeks to reduce variability in clinical practice to improve TCT outcomes across centers.

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Cannabis (marijuana) is a leafy plant that has medical, recreational, and other uses. Cannabis is socially accepted and widely used throughout the United States. Though cannabis use is increasingly gaining popularity, studies detail the deleterious effects of chronic cannabis smoking on mental health, as well as the immunosuppressive properties of cannabinoids.

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Background: Advance provision of medication abortion, or the prescription of mifepristone and misoprostol before pregnancy occurs, is an unexplored care model aimed at expanding abortion access. We examine motivations for obtaining advance provision from the online telemedicine service, Aid Access, which supports people in the United States.

Methods: Between May and November 2023, we conducted semi-structured, in-depth interviews with 39 people who obtained advance provision between January 2022 and April 2023.

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Article Synopsis
  • The TAOK proteins are important kinases involved in various cellular functions and are linked to neurodevelopmental disorders (NDDs) like those caused by TAOK1 and TAOK2 variants.
  • A study analyzed clinical and genetic data from individuals with these variants, revealing that TAOK1 variants lead to significant neurodevelopmental issues and some novel characteristics, while TAOK2 variants are tied to neurodevelopmental abnormalities, autism, and obesity.
  • This research expands the understanding of these disorders by presenting the largest cohort of individuals with TAOK1-NDD and identifying new variants and phenotypes associated with both TAOK1 and TAOK2.
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Background: This paper reports on the outcomes of a proof-of-principle study for the Exposure Therapy Consortium, a global network of researchers and clinicians who work to improve the effectiveness and uptake of exposure therapy. The study aimed to test the feasibility of the consortium's big-team science approach and test the hypothesis that adding post-exposure processing focused on enhancing threat reappraisal would enhance the efficacy of a one-session large-group interoceptive exposure therapy protocol for reducing anxiety sensitivity.

Methods: The study involved a multi-site cluster-randomized controlled trial comparing exposure with post-processing (ENHANCED), exposure without post-processing (STANDARD), and a stress management intervention (CONTROL) in students with elevated anxiety sensitivity.

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Objectives: Although croup is a common respiratory illness, there is little published regarding symptom course. We aimed to assess symptom progression and caregiver burden, and whether age, sex or season and initial severity of disease are associated with symptom duration.

Design, Setting And Participants: We conducted a secondary analysis of two Canadian prospective cohorts of children 0-16 years old diagnosed with croup; one recruited from a paediatric emergency department (ED) (307 children) between November 1999 and March 2000, and the other from 26 general EDs (1214 children) between September 2002 and April 2006.

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This study investigated the effects of pre-experimental fasting for 2, 7, and 14 days under both unsheltered (12 h dark-12 h light) and sheltered conditions on the critical swimming speed (U) and oxygen consumption (MO) of juvenile grass carp, using a modified swim respirometer. Key findings include (1) the U of test fish decreased significantly, by 28%, after fasting for 14 days and sheltering intensified the impact to a 43% decrease, and (2) fish anaerobic capacity decreased after 7 days but increased after 14 days, and was enhanced by sheltering conditions. These findings are important as they indicate that fasting and sheltering can impair grass carp survival and disrupt river ecosystem balance, highlighting the need for habitat conservation.

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Knee osteoarthritis contributes substantially to worldwide disability. Post-traumatic osteoarthritis (PTOA) develops secondary to joint injury, such as ligament rupture, and there is increasing evidence suggesting a key role for inflammation in the aetiology of PTOA and associated functional deficits. Colony stimulating factor 1 receptor (CSF1-R) has been implicated in the pathogenesis of musculoskeletal degeneration following anterior cruciate ligament (ACL) injury.

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Vulnerable populations, such as the elderly, children, displaced people, and refugees, often encounter challenges in accessing healthcare. In this study, we used data from the third iteration of the International Society of Nephrology Global Kidney Health Atlas (ISN-GKHA) to describe kidney care access and delivery to vulnerable populations across countries and regions. Using data from an international survey of clinicians, policymakers, and patient advocates, we assessed the funding and coverage of vulnerable populations on all aspects of kidney replacement therapies (KRT).

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Purpose: 7 days L-citrulline supplementation has been reported to improve blood pressure, O kinetics, gastrointestinal (GI) perfusion and endurance cycling performance through increasing arterial blood flow. In situations where blood volume is compromised (e.g.

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Background: The numbers of Māori and Pasifika peoples with kidney failure living in Australia are rising. However, data describing outcomes of those proceeding to transplantation are limited. This study describes clinical outcomes of Māori and Pasifika peoples who received a kidney transplant in Australia.

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Kirsten rat sarcoma (KRAS) is a frequently mutated oncogene responsible for several oncogenic KRAS variants and for driving tumor proliferation. Some nonsmall cell lung cancer (NSCLC) tumors exhibit KRAS G12C mutations, which can be targeted for inhibition using covalent and more recently noncovalent inhibitors. Sotorasib was the first FDA-approved G12C inhibitor that has shown efficacy in lung cancer patients, but with mixed responses.

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Adult primary leptomeningeal gliomatosis (PLG) is a rare, rapidly progressive and fatal disease characterized by prominent leptomeningeal infiltration by a glial tumor without an identifiable parenchymal mass. The molecular profile of adult PLG has not been well-characterized. We report the clinical, pathological, and molecular findings of six adult PLG patients (five males and one female), median age 58 years.

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Little is known about how the interrelationships among posttraumatic stress disorder (PTSD) symptoms change throughout the treatment. We examined changes in PTSD symptoms among women who experienced intimate partner violence and received one of two evidence-based interventions. We conducted a secondary analysis of a completed randomized, double-blind clinical trial, which demonstrated efficacy in reducing PTSD symptoms.

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Farrowing durations that exceed 240 min cause stillborn rates to increase. Therefore, feeding strategies in late gestation have been studied to mitigate the negative consequences of extended farrowing durations. A total of 1,501 sows (PIC 1050 Camborough) were used for this study at two individual farms near Carthage, IL.

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Immune checkpoint inhibitors (ICI) can achieve durable responses in patients with advanced melanoma, and results from clinical trials suggest cure may be possible for a subset of patients. Despite clinical trial data, little is known about the risk, character, and clinical outcome of late recurrences after ICI. This study aimed to explore the disease outcomes and survival in a cohort of patients with long-term responses to ICI.

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