Publications by authors named "Rachel Hardy"

Article Synopsis
  • Disruptions in gut microbiome interactions may play a role in conditions like Myalgic Encephalomyelitis/Chronic Fatigue Syndrome (ME/CFS) by affecting metabolite levels.
  • A new method for analyzing microbial metabolites quickly distinguishes different bacterial strains and shows significant metabolic differences in indole metabolites related to ME/CFS.
  • The study’s results indicate that measuring the diversity of indole derivatives could serve as a biomarker for identifying ME/CFS and improve future diagnostics, with data available for further research.
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  • The Aryl hydrocarbon receptor (AhR) is a key protein that influences gene expression and is essential for immune system function, activated by various bacterial metabolites like indole and tryptophan derivatives.
  • This study presents a new workflow centered on mass spectrometry that simplifies the identification of AhR activators from human bacteria, making the process more efficient compared to traditional methods.
  • The researchers validated potential AhR activators, including -formylkynurenine, through a combination of techniques, and the resulting mass spectrometry data is available for public access.
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Antipsychotic drugs are the mainstay of treatment for schizophrenia and provide adjunct therapies for other prevalent psychiatric conditions, including bipolar disorder and major depressive disorder. However, they also induce debilitating extrapyramidal syndromes (EPS), such as Parkinsonism, in a significant minority of patients. The majority of antipsychotic drugs function as dopamine receptor antagonists in the brain while the most recent 'third'-generation, such as aripiprazole, act as partial agonists.

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Objective: To determine the value of ordering a routine chest CT (CCT) in patients with blunt trauma presenting to the emergency department with a high GCS and low ISS, we retrospectively collected patient data including CT scan results, when physical examination and initial chest X-ray were normal in the trauma bay area.

Methods: A retrospective data collection of 901 consecutive blunt trauma patients seen in the ED between 2017 and 2019 was analyzed. Data included physical examination, age, gender, current use of anticoagulation therapy, comorbid conditions, as well as the result of radiologic images, hospital length of stay, surgical intervention, and mortality.

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In 2019, the United States National Antimicrobial Resistance Monitoring System (NARMS) surveyed raw salmon, shrimp, and tilapia from retail grocery outlets in eight states to assess the prevalence of bacterial contamination and antimicrobial resistance (AMR) in the isolates. Prevalence of the targeted bacterial genera ranged among the commodities: (0%-0.4%), (19%-26%), (7%-43%), (0.

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Background: Genomics-driven discoveries of microbial species have provided extraordinary insights into the biodiversity of human microbiota. In addition, a significant portion of genetic variation between microbiota exists at the subspecies, or strain, level. High-resolution genomics to investigate species- and strain-level diversity and mechanistic studies, however, rely on the availability of individual microbes from a complex microbial consortia.

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Article Synopsis
  • - The study focuses on understanding the development of antibody protection against SARS-CoV-2, which is crucial for public health and vaccine creation.
  • - Researchers created sensitive tests to detect specific IgG antibodies and neutralization capabilities in individuals infected with SARS-CoV-2, finding high antibody levels in infected patients compared to controls.
  • - Results indicate that hospitalized patients have significantly higher antibody and neutralization levels than outpatients, revealing important insights into the antibody response and potential vaccine efficacy.
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In the United States, federal law and many state laws differentiate between marijuana and industrial hemp through delta-9-tetrahydrocannabinol (THC) levels, whereby the latter is defined as ≤0.3 percent THC on a dry weight basis. Many traditional cannabis identification methods employed by crime laboratories cannot accurately determine total THC quantities in accordance with federal and state regulations, or do so with increased time, labor, and risks of instrument damage.

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Article Synopsis
  • The study focuses on the development of SARS-CoV-2-specific antibodies during infection, crucial for public health and vaccine design.
  • Researchers created sensitive assays that detected high levels of IgG antibodies in all patients with confirmed COVID-19, while negative controls showed no antibodies.
  • Results indicated hospitalized patients had significantly higher antibody and neutralization levels than outpatients, revealing insights into the immune response and potential vaccine effectiveness.
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Disruption of mitochondrial function selectively targets tumour cells that are dependent on oxidative phosphorylation. However, due to their high energy demands, cardiac cells are disproportionately targeted by mitochondrial toxins resulting in a loss of cardiac function. An analysis of the effects of mubritinib on cardiac cells showed that this drug did not inhibit HER2 as reported, but directly inhibits mitochondrial respiratory complex I, reducing cardiac-cell beat rate, with prolonged exposure resulting in cell death.

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Introduction: Fibrous cephalic plaques (FCP) are a characteristic manifestation of tuberous sclerosis complex (TSC) and occur in one third of cases. Their natural history and long term course is unknown, as is the outcome of long term follow-up of TSC cases in old age.

Phenotype And Methods: We describe an 80 year old with TSC due to a c.

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Metagenomic inferences of bacterial strain diversity and infectious disease transmission studies largely assume a dominant, within-individual haplotype. We hypothesize that within-individual bacterial population diversity is critical for homeostasis of a healthy microbiome and infection risk. We characterized the evolutionary trajectory and functional distribution of Staphylococcus epidermidis-a keystone skin microbe and opportunistic pathogen.

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This study explored the experiences of individuals who self-identify as providing support to a friend, family member, or significant other with posttraumatic stress disorder (PTSD). We analyzed and coded a total of 345 posts from an online support forum, with reference to 13 categories (finances, life interference, venting/emotional expression, maltreatment, sexual behavior, distress, prevented expression, physical health, communication, no personal space, isolation, and compassion fatigue). Categories for coding were established a priori and based on previous literature about caregiving and supporting.

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Age-dependent impairments in the central control of compensatory responses to body fluid challenges have received scant experimental attention, especially in females. In the present study, we found that water drinking in response to β-adrenergic activation with isoproterenol (30 μg/kg, s.c.

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Background: Adjuvant cancer treatments have been shown to decrease cardiac function. In addition to changes in cardiovascular risk, there are several additional functional consequences including decreases in exercise capacity and increased incidence of cancer-related fatigue. However, the effects of adjuvant cancer treatment on peripheral vascular function during exercise in cancer survivors have not been well documented.

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The cardiotoxic effects of adjuvant cancer treatments (i.e., chemotherapy and radiation treatment) have been well documented, but the effects on peripheral cardiovascular function are still unclear.

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Shear rate can elicit substantial adaptations to vascular endothelial function. Recent studies indicate that prior exposure to anterograde flow and shear increases endothelium-dependent flow-mediated dilation at rest and that anterograde shear can create an anti-atherosclerotic and provasodilatory state. The primary aim of the present study was therefore to determine the effects of prior exposure to anterograde shear on exercise-induced brachial artery dilation, total forearm blood flow (FBF), and vascular conductance (FVC) during dynamic handgrip exercise.

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Background: Pica and Tuberous sclerosis complex (TSC) are rare disorders. We carried out a population survey of pica in our TSC patient population.

Findings: Pica was identified in four percent of cases of TSC.

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School nurses can play a key role in providing sexual education in schools. However, they often face barriers from the school administration and concerned parents. Additionally, school nurses may have limited formal preparation in managing sexual health issues.

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This article presents the case of an adult patient with tuberous sclerosis complex who presented with large right benign and left malignant Leydig cell tumors. The tumors were examined to determine if they showed the classic hallmarks of / involvement.

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This article presents the case of an 8-year-old boy with a 1801A>G mutation who has five facial features of tuberous sclerosis complex.

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Objectives: To describe ways of coping in people with mild to moderate AD when faced with situations that are challenging to their memory.

Method: Twenty-four participants (12 with mild and 12 with moderate AD) were presented with a set of seven tasks that were analogues of everyday situations that tax memory. The participants' responses were videotaped and analysed.

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Variations in level of awareness among people with Alzheimer's disease (AD) may impact on well-being for the person with dementia and their carer, and may influence outcomes of cognitive rehabilitation interventions. Awareness has often been assessed using discrepancies between self and proxy rating or between self-rating and objective task performance, with the latter considered to be preferable. Measures are available that are suitable for people with mild AD, for example the Memory Awareness Rating Scale (MARS).

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