Publications by authors named "Hayes M"

Here, we report the resequencing, assembly, and annotation of two actinomycete genomes containing abyssomicin gene clusters. DSM 45791 with a circular chromosome of 11,681,598 bp and 4 circular plasmids (14,175-207,548 bp) and sp. NL15-2K with a 12,368,159 bp linear genome and circular plasmid (11,584 bp).

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Sleep hygiene can be defined as practicing habits that facilitate sleep; poor sleep hygiene is common among elite athletes, and improving this can be one way to enhance sleep indices. Given the large inter-individual variability of sleep, there is a need for further investigation into individualised sleep hygiene for elite female athletes, with consideration for the practical application of the method. Using a self-controlled time series design with repeated measures, n = 16 professional female footballers completed a 9-week study during mid-season.

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Background: Guidelines for diabetic ketoacidosis (DKA) management are limited, resulting in varied practices. This study assessed Intensive Care Unit (ICU) admission criteria, fluid resuscitation, insulin therapy, and metabolic management in adult patients with DKA.

Methods: An international survey of ICU clinicians consisted of 39 items that focused on management of DKA and was endorsed by the European Society of the Intensive Care Medicine.

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Early life stress (ELS) is associated with an increased risk of experiencing chronic pain during adulthood, but surprisingly little is known about the short-term influence of ELS on nociceptive processing in the immature nervous system and the concomitant effects on somatosensation in the neonate. Here, we investigate how ELS modulates pain in neonatal mice and the transcriptional and electrophysiological signatures of immature dorsal root ganglia (DRG). Shortly after the administration of a neonatal limiting bedding (NLB) paradigm from postnatal days (P)2 to P9, both male and female pups exhibited robust hypersensitivity in response to tactile, pressure, and noxious cold stimuli compared with a control group housed under standard conditions, with no change in their sensitivity to noxious heat.

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Plants make pyrimidine base substitutions in organellar mRNAs through the action of sequence-specific nuclear-encoded enzymes. Pentatricopeptide repeat (PPR) proteins are essential for ensuring specificity, while the enzymatic DYW domain is often present at the C-terminus of a PPR protein and dependent on the variant possessing C-to-U and/or U-to-C RNA editing activities. Expression of exogenous DYW-KP variant enzymes in bacteria leads to the modification of RNAs suggestive of U-to-C base changes.

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Background: Despite recommendations against routine use, sodium bicarbonate (SB) is administered in approximately 50% of adult and pediatric in-hospital cardiac arrest (IHCA).

Methods: Cross-sectional electronic survey of adult and pediatric attending physicians at two academic hospitals in Boston, Massachusetts. The survey included two IHCA vignettes.

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Article Synopsis
  • Immunotherapy has enhanced survival rates for patients with advanced clear cell renal cell carcinoma (ccRCC), but many patients still develop resistance to treatment.
  • A study examined tumor samples from patients with both treatment-naïve and treatment-exposed ccRCC, revealing that tumors exposed to immunotherapy contained more immune cells (like CD8+ T cells and neutrophils) and showed significant changes in cellular markers.
  • Key findings included increased expression of COL4A1 and ITGAV in the stroma of treated tumors, suggesting a need for further investigation into how these changes impact the tumor immune environment and potential new therapies.
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Objective: In this study, we aim to determine if machine learning can reduce manual smear review (MSR) rates while meeting or exceeding the performance of traditional MSR criteria.

Method: 9938 automated CBCs with paired MSRs were performed on samples from rhesus and cynomolgus macaques. The definition of a positive (abnormal) smear was determined.

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  • Caring for newborns limits mammalian females' ability to gather resources, especially during the energy-demanding early lactation period.
  • Different ungulates have developed various strategies for protecting their vulnerable newborns, from staying hidden to being mobile, which can influence their mothers' movement patterns.
  • A study of 54 populations of 23 ungulate species shows that maternal movements are affected by the resource availability and type of neonatal strategy, highlighting the importance of these tactics in understanding how species adapt to environmental changes.
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  • The liver plays a vital role in regulating food intake, with its anatomical position suggesting it could act as a key sensor for energy levels in the body.
  • Impairments in liver energy metabolism, particularly in certain mouse models, lead to increased meal sizes and reduced inhibition on food intake after eating.
  • This research reinforces the idea that the liver helps manage hunger and satiety by influencing signals related to fullness from the body.
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Summary: Technologies that produce spatial single-cell (SC) data have revolutionized the study of tissue microstructures and promise to advance personalized treatment of cancer by revealing new insights about the tumor microenvironment. Functional data analysis (FDA) is an ideal analytic framework for connecting cell spatial relationships to patient outcomes, but can be challenging to implement. To address this need, we present mxfda, an R package for end-to-end analysis of SC spatial data using FDA.

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There is tantalizing evidence that proteins can be accurately and selectively manipulated by higher order electric field effects within microfluidic devices. The accurate and precise manipulation of proteins in these platforms promises to disrupt and revolutionize many fields, most notably analytical biochemistry. Several lines of experimental evidence suggest much higher forces are generated compared to those calculated from traditional theories and those higher forces arise from subtle structural features of the proteins providing selectivity.

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Circadian desynchrony induced by shiftwork or jet lag is detrimental to metabolic health, but how synchronous or desynchronous signals are transmitted among tissues is unknown. We report that liver molecular clock dysfunction is signaled to the brain through the hepatic vagal afferent nerve (HVAN), leading to altered food intake patterns that are corrected by ablation of the HVAN. Hepatic branch vagotomy also prevents food intake disruptions induced by high-fat diet feeding and reduces body weight gain.

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  • Polycystic ovary syndrome (PCOS) is a common hormonal disorder linked to infertility, and its symptoms overlap with those of partial lipodystrophy, which is caused by variations in the LMNA gene.
  • Researchers conducted genetic sequencing on two cohorts, comparing PCOS patients with healthy controls to investigate a potential connection between LMNA variations and the development of PCOS.
  • Results showed a significant association between rare LMNA variants and PCOS in multiple cohorts, particularly among women exhibiting high triglycerides and insulin resistance, indicating a need to explore further genetic links to PCOS.
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Background: Separation of the posterior hyaloid membrane (PHM) from the retina in posterior vitreous detachment (PVD) is a fundamental, but poorly understood, process underlying vitreoretinal disorders including retinal detachment and macular hole. We performed electron microscopy studies of the PHM after PVD to investigate its ultrastructure, associated cellular structures and relationship to the internal limiting membrane (ILM).

Methods: Post-mortem human eyes were collected from recently deceased patients over 70 years of age.

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Welding is an extensively used technique in manufacturing, and as for every other process, there is the potential for defects in the weld joint that could be catastrophic to the manufactured products. Different welding processes use different parameter settings, which greatly impact the quality of the final welded products. The focus of research in weld defect detection is to develop a non-destructive testing method for weld quality assessment based on observing the weld with an RGB camera.

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  • The research presents a new method for analyzing glycosidic linkages in polysaccharides from five types of brown seaweed, focusing on structuring their alcohol-insoluble residues (AIRs).
  • This method utilizes GC-MS analysis of partially methylated alditol acetates (PMAAs) to identify variations in fucose linkages across different seaweed species, harvest years, and treatments, revealing significant structural diversity.
  • It also improves cellulose quantification by addressing shortcomings in traditional methods, and introduces a pretreatment that helps detect uronic acid linkages in alginates more effectively.
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Unlabelled: Climate change is set to become one of the leading causes of biodiversity loss worldwide, with extreme weather events projected to increase in frequency. Ectothermic animals such as insects are at particular risk, especially when they are isolated and unable to move through the landscape to track suitable climate. To protect such taxa, it is important to understand how they are impacted by extreme weather events and whether management could provide effective microclimate refuges.

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Objective: Identification of those at high and low risk of disease relapse is a major unmet need in the management of patients with ANCA-associated vasculitis (AAV). Precise stratification would allow tailoring of immunosuppressive medication. We profiled the autoantibody repertoire of AAV patients in remission to identify novel autoantibodies associated with relapse risk.

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  • The study aimed to evaluate the effectiveness of new protocols for using speaking valves (SV) in patients with tracheostomies at a major medical center, focusing on increasing usage and reducing wait times for trials.
  • A retrospective analysis of 421 patients showed that after implementing these protocols, the percentage of eligible patients trying SV increased from 75% to 95%, and those succeeding on their first attempt rose from 60% to 75%.
  • The findings suggest that the new protocols led to an 80% reduction in the time required for SV placement, highlighting the need for continued improvements in tracheostomy care practices.
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The pancreatic peptide amylin promotes negative energy balance in part through activation of amylin receptors (AmyRs) expressed in the ventral tegmental area (VTA), but studies have been limited to male rodents. We evaluated whether VTA amylin signaling governs feeding and body weight in female rats. Indeed, pharmacological VTA AmyR activation suppressed chow intake and body weight in females.

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Background: The study aimed to gain insight into the experiences of patients with cancer and survivors regarding the integration of social needs assessment into their care, while also gathering perspectives from patient navigators on the barriers to obtaining and utilizing social needs information during cancer care, which taken together may influence cancer care policies. By comparing the perspectives of patients and navigators, the study sought to inform best practices for integrating, identifying, and addressing social needs to improve patient experiences and outcomes.

Methods: We conducted qualitative interviews and self-report surveys involving patients with cancer, providers, and patient navigators or care coordinators, seeking their insights and firsthand experiences related to health-related social needs in cancer care.

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To assess caregiver-reported barriers and facilitators to receiving a diagnosis of Autism Spectrum Disorder (ASD) and accessing services as well as the influence of personal and cultural factors.Participants included 29 parents whose children had been diagnosed with ASD between January 2019 and November 2021 while receiving primary care at one of two urban, hospital-affiliated clinics. Semi-structured interviews and surveys were conducted between May 2022 and June 2023 in both English and Spanish.

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