Publications by authors named "Royer P"

Article Synopsis
  • Recent research tested a new treatment called LIS1, derived from genetically modified pigs, to see if it could safely be used in kidney transplant patients instead of traditional rabbit-derived antithymocyte globulins (ATGs).
  • The study showed that LIS1 effectively depleted T cells without causing major side effects, such as cytokine release syndrome, and was well tolerated by patients.
  • Results indicated that LIS1 has a long half-life and allows for quick recovery of lymphocyte counts, suggesting it could be a promising alternative for transplant immunosuppression.
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  • XAV-19 is a targeted swine polyclonal antibody for SARS-CoV-2 that was tested for safety and effectiveness in patients with mild to moderate COVID-19 in a clinical trial.
  • The trial was a phase II/III, double-blind, placebo-controlled study involving 279 patients where the primary focus was on whether XAV-19 could prevent disease worsening within eight days of treatment.
  • Results indicated that while there were no significant differences in the primary endpoint, XAV-19 accelerated recovery times, particularly for patients with lower severity scores, and demonstrated effective neutralization against various COVID-19 variants.
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Aims: Improved identification of individuals at high risk of developing cardiovascular disease would enable targeted interventions and potentially lead to reductions in mortality and morbidity. Our aim was to determine whether use of large-scale proteomics improves prediction of cardiovascular events beyond traditional risk factors (TRFs).

Methods And Results: Using proximity extension assays, 2919 plasma proteins were measured in 38 380 participants of the UK Biobank.

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Introduction: In case of pneumonia, some biological findings are suggestive for Legionnaire's disease (LD) including C-reactive protein (CRP). A low level of CRP is predictive for negative Legionella Urinary-Antigen-Test (L-UAT).

Method: Observational retrospective study in Nord-Franche-Comté Hospital with external validation in Besançon University Hospital, France which included all adults with L-UAT performed during January 2018 to December 2022.

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Article Synopsis
  • Polyclonal rabbit antithymocyte globulins (ATGs) used in organ transplants can cause unwanted inflammation, while LIS1, a new generation of antilymphocyte globulins derived from genetically modified pigs, aims to reduce these risks.
  • A phase 1 study tested LIS1 in kidney transplant patients to assess its safety, T cell depletion effects, and pharmacokinetics.
  • Results indicated that LIS1 was well tolerated, effectively depleted T cells in certain dosage groups, and did not provoke severe side effects or the formation of antidrug antibodies.
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  • - Recent advances in high-throughput proteomics allow for potential new biomarkers for coronary atherosclerosis, leading researchers to explore whether plasma proteins can predict coronary artery calcifications (CAC) in asymptomatic people beyond traditional risk factors.
  • - In the study, they analyzed 1,342 plasma proteins in almost 2,000 participants, employing machine learning techniques to assess the predictive power of these proteins combined with established risk factors for CAC, validating their findings across two separate cohorts.
  • - The results showed that while a specific subset of 44 plasma proteins could indicate the presence of subclinical CAC, it did not provide better predictive capability compared to traditional risk factors alone, indicating that the new proteomics approach may not significantly enhance existing predictive models.
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The western honey bee (Apis mellifera L.) is the most globally used managed pollinator species, but it can have limited pollinating activity on nectariferous crops displaying anthers isolated from stigmas, i.e.

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Heterologous polyclonal antibodies (pAb) were shown to possess oncolytic properties a century ago with reported clinical responses. More recent preclinical models confirmed pAb efficacy, though their ability to tackle complex target antigens reduces susceptibility to tumor escape. Owing to the recent availability of glyco-humanized pAb (GH-pAb) with acceptable clinical toxicology profile, we revisited use of pAb in oncology and highlighted their therapeutic potential against multiple cancer types.

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WASP-107b is a warm (approximately 740 K) transiting planet with a Neptune-like mass of roughly 30.5 M and Jupiter-like radius of about 0.94 R (refs.

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Brown dwarfs serve as ideal laboratories for studying the atmospheres of giant exoplanets on wide orbits, as the governing physical and chemical processes within them are nearly identical. Understanding the formation of gas-giant planets is challenging, often involving the endeavour to link atmospheric abundance ratios, such as the carbon-to-oxygen (C/O) ratio, to formation scenarios. However, the complexity of planet formation requires further tracers, as the unambiguous interpretation of the measured C/O ratio is fraught with complexity.

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Campylobacter fetus accounts for 1% of Campylobacter spp. infections, but prevalence of bacteremia and risk for death are high. To determine clinical features of C.

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We propose an analytical micromechanical model for studying the lamellar-composite-like structure of fibrous soft tissue. The tissue under consideration is made up of several lamellae, and is designed to resemble the annulus fibrosus (AF) tissue or media layer of arterial tissue, for example. The collagen fibers are arranged in parallel in each lamella and the fiber orientation differs from one lamella to its neighbors.

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Background: Articular cartilage (AC)'s main function is to resist to a stressful mechanical environment, and chondrocytes are responding to mechanical stress for the development and homeostasis of this tissue. However, current knowledge on processes involved in response to mechanical stimulation is still limited. These mechanisms are commonly investigated in engineered cartilage models where the chondrocytes are included in an exogeneous biomaterial different from their natural extracellular matrix.

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Purpose: Radiotherapy is, with surgery, one of the main therapeutic treatment strategies for meningiomas. No prospective study has defined a consensus for the delineation of target volumes for meningioma radiotherapy. Therefore, target volume definition is mainly based on information from retrospective studies that include heterogeneous patient populations.

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  • The text indicates that the article with DOI: 10.3389/fimmu.2021.761250 has been corrected.
  • Corrections are typically made to improve the accuracy of the published research.
  • The specific details of the corrections are not included in the provided text.
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  • Chronic lung allograft dysfunction (CLAD) is a significant concern for lung transplant patients, prompting the creation of SysCLAD to help predict its onset.
  • Research involved analyzing various factors, including patient health (clinicome), airway microbiota (exposome), and immune responses (immunome), to understand their roles in CLAD development.
  • Findings suggest that exposure to air pollution negatively affects lung function in transplant recipients and highlight potential biomarkers (like MMP-9 and certain immune cells) that could help predict CLAD and improve long-term survival.
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Anti-thymocyte or anti-lymphocyte globulins (ATGs/ALGs) are immunosuppressive drugs used in induction therapies to prevent acute rejection in solid organ transplantation. Because animal-derived, ATGs/ALGs contain highly immunogenic carbohydrate xenoantigens eliciting antibodies that are associated with subclinical inflammatory events, possibly impacting long-term graft survival. Their strong and long-lasting lymphodepleting activity also increases the risk for infections.

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  • The study aimed to compare the planning effectiveness of HyperArc™-based stereotactic radiosurgery versus CyberKnife® M6 in treating single and multiple cranial metastases.
  • Researchers analyzed 51 treatment plans using both systems, focusing on dosimetric parameters and treatment plan quality for the target volumes and surrounding organs at risk.
  • Results showed that while both techniques covered target volumes similarly, HyperArc demonstrated better brain sparing, making it potentially more suitable for multiple cranial metastases and larger single lesions compared to CyberKnife.
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Background: Performing back trajectory and forward trajectory using the Hybrid Single-Particle Lagrangian Integrated Trajectory Model (HYSPLIT) is a reliable approach for assessing particle transport after release among mid-field atmospheric models. HYSPLIT has an externally facing online interface that allows non-expert users to run the model trajectories without requiring extensive training or programming. However, the existing HYSPLIT interface is limited if simulations have a large amount of meteorological data and timesteps that are not coincident.

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Articular cartilage (AC) is the thin tissue that covers the long bone ends in the joints and that ensures the transmission of forces between adjacent bones while allowing nearly frictionless movements between them. AC repair is a technologic and scientific challenge that has been addressed with numerous approaches. A major deadlock is the capacity to take in account its complex mechanical properties in repair strategies.

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Current intervertebral disc finite element models are hard to validate since they describe multi-physical phenomena and contain a huge number of material properties. This work aims to simplify numerical validation/identification studies by prioritizing the sensitivity of intervertebral disc behavior to mechanical properties. A 3D fiber-reinforced hyperelastic model of a C6-C7 intervertebral disc is used to carry out the parametric study.

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Background: The prognosis of recurrent glioblastoma (GBM) is poor, with limited options of palliative localized or systemic treatments. Survival can be improved by a second localized treatment; however, it is not currently possible to identify which patients would benefit from this approach. This study aims to evaluate which factors lead to a lower Karnofsky performance status (KPS) score after fractionated stereotactic RT (fSRT).

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In agroecosystems, omnivorous predators are recognized as potential biological control agents because of the numerous pest species they prey on. Nonetheless, it could be possible to enhance their efficiency through artificial selection on traits of economical or ecological relevance. Aggressiveness, which defines the readiness of an individual to display agonistic actions toward other individuals, is expected to be related to zoophagy, diet preferences and to a higher attack rate.

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Long-term evolution data of olfactory disorders (OD) in COVID-19 are limited. ANOSVID is a retrospective study in Nord Franche-Comté Hospital (France) that included COVID-19 patients from the first wave. The aim was to describe OD evolution, especially in patients with persistent OD (p-OD group) in comparison with patients with resolved OD (r-OD group).

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