Publications by authors named "Summers S"

Guillain-Barré syndrome is a rare neurological condition. Research has increased our understanding of the etiology, prognosis, and effective medical treatment of the illness. There is a lack of understanding regarding the psychological effects and what could help patients.

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  • Sphingolipids like ceramides play a significant role in high-fat diets and can influence fatty acid oxidation and intestinal stem cell (ISC) proliferation, potentially leading to cancer risk.
  • The study manipulated the ceramide synthesis pathway in midgut intestinal cells to observe how changes in enzyme activities impacted cell behavior, revealing significant alterations in ISC proliferation and cell characteristics.
  • Findings suggest that increased levels of saturated sphingolipids trigger inflammation in the gut, which in turn stimulates ISC proliferation through specific pro-inflammatory signals.
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  • The study focuses on detecting multijet signatures from proton-proton collisions at a high energy of 13 TeV, analyzing a dataset totaling 128 fb^{-1}.
  • A special data scouting method is utilized to pick out events with low combined momentum in jets.
  • This research is pioneering in its investigation of electroweak particle production in R-parity violating supersymmetric models, particularly examining hadronically decaying mass-degenerate higgsinos, and it broadens the limits on the existence of R-parity violating top squarks and gluinos.
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  • - Two specific strains (SCP14 and SCP15) were extracted from coral remains in Singapore, particularly in high-temperature conditions.
  • - The genomes of these strains were sequenced, which means their genetic makeup was analyzed and recorded.
  • - The genetic information revealed important elements that contribute to the health of coral, especially when they face temperature-related stress.
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Introduction: Knee osteoarthritis (OA) represents a leading cause of disability globally. Exercise has been demonstrated to improve pain and function in people with knee OA. However, when in pain, commencement of exercise is difficult, and clinical effects with such interventions are often modest.

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  • BMI might not accurately reflect the risk of obesity-related cancer (ORC) because metabolic issues can exist at various BMI levels.
  • A study of 20,593 postmenopausal women identified four types of metabolic health and found that those with metabolic dysfunction—regardless of weight—had an increased risk of ORC.
  • The research showed that overweight and obese individuals, especially those with metabolic dysfunction, faced a higher risk of developing ORC compared to metabolically healthy individuals with normal weight.
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Habitat loss and forest fragmentation are often linked to increased pathogen transmission, but the extent to which habitat isolation and landscape connectivity affect disease dynamics through movement of disease vectors and reservoir hosts has not been well examined. Tick-borne diseases are the most prevalent vector-borne diseases in the United States and on the West Coast, is one of the most epidemiologically important vectors. We investigated the impacts of habitat fragmentation on pathogens transmitted by and sought to disentangle the effects of wildlife communities and landscape metrics predictive of pathogen diversity, prevalence and distribution.

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  • * CKD cats showed significantly lower levels of the bile acid ursodeoxycholic acid (UDCA) in their feces compared to healthy cats, indicating a potential link between bile acid metabolism and kidney disease.
  • * The research found distinct differences in the gut microbiota between CKD cats with low and high levels of SBAs, suggesting that gut health may play an important role in the progression of CKD in felines.
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The first search for the Z boson decay to ττμμ at the CERN LHC is presented, based on data collected by the CMS experiment at the LHC in proton-proton collisions at a center-of-mass energy of 13 TeV and corresponding to an integrated luminosity of 138  fb^{-1}. The data are compatible with the predicted background. For the first time, an upper limit at the 95% confidence level of 6.

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Observation of the decay.

Eur Phys J C Part Fields

October 2024

Using proton-proton collision data corresponding to an integrated luminosity of collected by the CMS experiment at , the decay is observed for the first time, with a statistical significance exceeding 5 standard deviations. The relative branching fraction, with respect to the decay, is measured to be , where the first uncertainty is statistical, the second is systematic, and the third is related to the uncertainties in and .

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Metabolic dysfunction-associated steatotic liver disease (MASLD) is a progressive disorder marked by lipid accumulation, leading to steatohepatitis (MASH). A key feature of the transition to MASH involves oxidative stress resulting from defects in mitochondrial oxidative phosphorylation (OXPHOS). Here, we show that pathological alterations in the lipid composition of the inner mitochondrial membrane (IMM) directly instigate electron transfer inefficiency to promote oxidative stress.

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Background: Non-invasive brain stimulation (NIBS) has been investigated increasingly as a means of treating pain. The effectiveness of NIBS in the treatment of pain has traditionally focused upon protocols targeting the primary motor cortex (M1). However, over time, the effectiveness of M1 NIBS has been attributed to effects on interconnected cortical and subcortical sites rather than M1 itself.

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A sp. was isolated from the skeleton of the heat resilient coral . Genome analysis revealed the presence of the complete denitrification pathway and potential dimethylsulfoniopropionate metabolism which enhance coral resilience and production of tropodithietic acid, an antibiotic implicated in host defense.

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Biofilms in nature often exist as communities. In this study, an experimental mixed-species community consisting of Pseudomonas aeruginosa, Pseudomonas protegens and Klebsiella pneumoniae was used to investigate how AI-2 transporters affect interspecies interactions and composition. The K.

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Background: Ceramides have recently been identified as novel biomarkers associated with diabetes mellitus (DM) and major adverse cardiac and cerebrovascular events (MACCE). This study aims to explore their utility in diagnosing microvascular disease.

Methods: This study prospectively enrolled 309 patients from 2018 to 2020 into three groups: healthy controls (Group 1, N = 51), DM patients without acute myocardial infarction (AMI) (Group 2, N = 150), and DM patients with AMI (Group 3, N = 108).

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Background And Aims: HCC incidence is increasing worldwide due to the obesity epidemic, which drives metabolic dysfunction-associated steatohepatitis (MASH) that can lead to HCC. However, the molecular pathways driving MASH-HCC are poorly understood. We have previously reported that male mice with haploinsufficiency of hypoxia-associated factor (HAF) ( SART1+/ - ) spontaneously develop MASH-HCC.

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  • Demand for computing power in major scientific experiments, like the CMS at CERN, is expected to significantly increase over the coming decades.
  • The implementation of coprocessors, particularly GPUs, in data processing workflows can enhance performance and efficiency, especially for machine learning tasks.
  • The Services for Optimized Network Inference on Coprocessors (SONIC) approach allows for improved use of coprocessors, demonstrating successful integration and acceleration of workflows across various environments without sacrificing throughput.
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Energy correlators that describe energy-weighted distances between two or three particles in a hadronic jet are measured using an event sample of sqrt[s]=13  TeV proton-proton collisions collected by the CMS experiment and corresponding to an integrated luminosity of 36.3  fb^{-1}. The measured distributions are consistent with the trends in the simulation that reveal two key features of the strong interaction: confinement and asymptotic freedom.

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  • Cats with chronic kidney disease (CKD) have increased serum uremic toxins that can be harmful.
  • The study tested Renaltec, an oral treatment that absorbs these toxins in the gut by using 13 cats with CKD.
  • Results showed that both once-daily and twice-daily doses of Renaltec significantly reduced harmful uremic toxins in the blood, with twice-daily dosing proving more effective.
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Objective: Current literature reports conflicting findings regarding the effect of diabetes mellitus (DM) on outcomes of abdominal aortic aneurysm (AAA) repair. In this study we examined the effect of DM and its management on outcomes after open AAA repair (OAR) and endovascular AAA repair (EVAR).

Methods: We identified all patients undergoing OAR or EVAR for infrarenal AAA between 2003 and 2018 in the Vascular Quality Initiative registry data linked with Medicare claims.

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Like 'influencers' who achieve fame and power through social media, ceramides are low abundance members of communication platforms that have a mighty impact on their surroundings. Ceramide microdomains form within sphingolipid-laden lipid rafts that confer detergent resistance to cell membranes and serve as important signaling hubs. In cells exposed to excessive amounts of saturated fatty acids (e.

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