8,727 results match your criteria: "IFCEUniversité de Tours[Affiliation]"

A digital tool for multidimensional assessment and prediction of treatment effectiveness in chronic pain management.

iScience

December 2024

CHU de Poitiers, PRISMATICS Lab (Predictive Research in Spine/Neuromodulation Management and Thoracic Innovation/Cardiac Surgery), 86000 Poitiers, France.

Given the multidimensional aspect of pain, the assessment of treatment efficacy is challenging. The prospective observational multicenter PREDIBACK study aimed to assess, compare, and predict the effectiveness of different treatments for persistent spinal pain syndrome type 2 (PSPS-T2) using a digital tool and the Multidimensional Clinical Response Index (MCRI) including pain intensity, functional disability, quality of life, anxiety and depression, and pain surface. Results indicated that neurostimulation was the most effective treatment at 3-, 6-, 9-, and 12-month follow-up compared to baseline, leading to significant improvements in pain, function, and quality of life, whereas optimized medical management (OMM) and spinal reoperation showed no significant benefits.

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Scabiosa artropurperea, a member of the Dipsacaceae family and Scabiosa genus, is renowned for its medicinal properties. In the present study, we investigated the impact of Scabiosa artropurperea aqueous extract (AES) on the in vivo reproductive functions in Queue Fine de l'Ouest ewes, and on in vitro ovine granulosa cells. Ewes were synchronized for 14 days with intra-vagina progesterone (P4) devices (FGA, 20 mg) and divided into four groups receiving daily oral doses of 0, 1, 2, and 4 mg of AES/kg Live Body Weight (LBW), respectively.

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In this paper, microporous Zn-based zeolitic imidazolate framework with the sodalite cage structure (SOD-ZIF-8) was synthesized by the solvothermal method. Powder X-ray diffraction (PXRD), scanning electron microscopy (SEM) and N2 adsorption were employed to characterize the synthesized material. An ultra-sensitive electrochemical sensor based on highly dispersed bimetallic Ni-Pt nanoparticles immobilized on zeolitic metal-organic framework ZIF-8 for dopamine quantification is introduced for the first time.

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Penicillin allergy is the most commonly reported drug allergy, with prevalence rates ranging from 6% to 31% across various populations and geographic areas. The penicillin allergy label is linked to higher mortality and morbidity rates, extended hospital stays, increased readmission rates, and a greater reliance on second-line antibiotics. Research indicates that nearly 99% of those labeled as penicillin-allergic can tolerate the drug.

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Ovaries are of paramount importance in reproduction as they produce female gametes through a complex developmental process known as folliculogenesis. In the prospect of better understanding the mechanisms of folliculogenesis and of developing novel pharmacological approaches to control it, it is important to accurately and quantitatively assess the later stages of ovarian folliculogenesis (i.e.

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Background: Medulloblastoma (MB) is one of the most prevalent embryonal malignant brain tumors. Current classification organizes these tumors into four molecular subgroups (WNT, SHH, Group 3, and Group 4 MB). Recently, a comprehensive classification has been established, identifying numerous subtypes, some of which exhibit a poor prognosis.

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The current study investigates and compares the biological effects of ultrathin conformal coatings of zirconium dioxide (ZrO) and vanadium pentoxide (VO) on osteoblastic MG-63 cells grown on TiO nanotube layers (TNTs). Coatings were achieved by the atomic layer deposition (ALD) technique. TNTs with average tube diameters of 15, 30, and 100 nm were fabricated on Ti substrates (via electrochemical anodization) and were used as primary substrates for the study.

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Chicken meat production in organic systems involves free-range access where animals can express foraging and locomotor behaviours. These behaviours may promote outdoor feed intake, but at the same time energy expenditure when exploring the outdoor area. More generally, the relationship of range use with metabolism, welfare including health, growth performance and meat quality needs to be better understood.

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The walnut tree as a source of progesterone for reproductive control in goats.

Animal

December 2024

Physiologie de la Reproduction et des Comportements, CNRS, INRAE, Université de Tours, 37380 Nouzilly, France.

Intravaginal sponges impregnated with the progesterone (P4) analogue fluorogestone acetate (FGA) induce synchronous oestrous behaviour and normal ovulatory cycle in goats. To explore alternatives using natural P4 from plants, we developed a method of ethanolic extraction and a specific enzyme immunoassay (EIA) to measure P4 in the different parts of the walnut tree Juglans regia. We found a very high concentration of P4, specifically in the leaves of the three most common French varieties (∼100 mg/kg of DM) but not in flowers, fruits, septa, husk, oil or cake.

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Disruption of deoxyribonucleotide triphosphate biosynthesis leads to RAS proto-oncogene activation and perturbation of mitochondrial metabolism.

J Biol Chem

December 2024

Virus and Cellular Stress Unit, Department of Virology, Université Paris Cité, Institut Pasteur, 28 rue du Dr. Roux, F-75724 Paris cedex 15, France. Electronic address:

Perturbation of the deoxyribonucleotide triphosphate (dNTP) pool is recognized for contributing to the mutagenic processes involved in oncogenesis. The RAS gene family encodes well characterized oncoproteins whose structure and function are among the most frequently altered in several cancers. In this work, we show that fluctuation of the dNTP pool induces CG->TA mutations across the whole genome, including RAS gene at codons for glycine 12 and 13, known hotspots in cancers.

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Purpose: Information and communication technologies are crucial for social and professional integration, but access to technology can be difficult for people with physical impairments. Text entry can be slow and tiring. We developed a free and open-source module called for use with AAC (augmentative/alternative communication) software in French language.

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Objective: Management of osteoarticular infections (OAI) represents a major public health challenge. To deal with this, the French Ministry of Health created the (CRIOAC) in 2008. CRIOAC functions as a national network of reference centers for OAI, with the aim of coordinating, providing expertise, offering training, and conducting research at the regional level.

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Introduction: With the worldwide growing burden of respiratory tract infections (RTIs), innovative therapeutic approaches are in high demand. Inhaled antibodies (Abs) represent a promising avenue, offering targeted treatment options with potentially better therapeutic index compared to traditional delivery methods.

Areas Covered: This comprehensive review summarizes the challenges faced in delivering Abs by (intranasal and pulmonary) inhalation.

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Infant mice fed soy-based formulas exhibit alterations in anxiety-like behaviours and the 5-HT system.

Toxicology

December 2024

Neuroscience Institute Cavalieri Ottolenghi (NICO), Regione Gonzole 10, Orbassano, Torino 10043, Italy; Department of Neuroscience 'Rita Levi Montalcini', University of Torino, Via Cherasco 15, Torino 10126, Italy. Electronic address:

Genistein (GEN) is a phytoestrogen with oestrogen-like activity found in many plants. Classified as an endocrine disruptor, GEN is potentially hazardous, particularly during developmental stages. It induces alterations in anxious behaviour, fertility, and energy metabolism, alongside modifications in specific brain circuits.

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The drug authorization process is shifting towards a policy aimed at shortening time-to-market. While this policy facilitates early access to new treatments, it can also result in potentially insufficient knowledge of both efficacy and safety at the time of marketing. The latter is particularly true for long-term outcomes or in specific populations (e.

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A clinician viewpoint on the 2024 European guidelines on the management of patients with atrial fibrillation.

Arch Cardiovasc Dis

December 2024

Inserm ICAN 1166, Hôpitaux de l'est parisien (Saint-Antoine-Tenon), AP-HP, Sorbonne Université, 184, Faubourg-Saint-Antoine, 75571 Paris cedex, France.

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Safety of Fertility Treatments in Women With Systemic Lupus Erythematosus: Data From a Prospective Population-Based Study.

BJOG

December 2024

Service de Médecine Interne, Centre de référence Des Maladies Auto-Immunes et Auto-Inflammatoires systémiques Rares d'Ile-de-France, de l'Est et de l'Ouest, Hôpital Cochin, Assistance Publique-Hôpitaux de Paris (AP-HP)-Université Paris Cité, Paris, France.

Objective: To assess safety of fertility treatments in women with systemic lupus erythematosus (SLE).

Design: Data from the multicentre French observational GR2 (Groupe de Recherche sur la Grossesse et les Maladies Rares) study (2014-ongoing).

Setting: Seventy-six centres in France.

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Introduction: Progressive interstitial lung diseases (ILDs) are rare but severe diseases, with high mortality and morbidity, with no effective pharmacological treatment allowing for long-term remission, and therefore no clear therapeutic recommendations. Several ILDs present inflammatory components (ILDic), which may justify the use of anti-inflammatory and immunosuppressive drugs, as first-step therapy. Except for systemic sclerosis (SSc)-ILD and sarcoidosis, the evidence in favor of this approach is very weak.

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Peripheral Nerve Stimulation Implantation Combining Ultrasound With Microendoscopy for Management of Chronic Neuropathic Pain: A Case Series Study.

Neuromodulation

December 2024

CHU de Poitiers, Predictive Research in Spine/Neuromodulation Management and Thoracic Innovation/Cardiac Surgery Lab, Poitiers, France; CHU de Poitiers, Spinal Neurosurgery, Neuromodulation & Surgery for Handicap, Poitiers, France; Université de Poitiers, Prime Institute UPR 3346, CNRS, ISAE-ENSMA, Poitiers, France.

Background: Peripheral nerve stimulation (PNS) has emerged as a minimally invasive percutaneous procedure addressing neuropathic pain. However, the percutaneous cylindrical lead ultrasound-guided implantation procedure requires expertise that limits widespread PNS utilization. To overcome these challenges, a microinvasive endoscopy device has very recently been developed, enhancing the precision of PNS implantation by providing accurate visualization of the targeted nerve.

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Free-living amoebae (FLA) are described as environmental reservoirs for some bacteria able to resist their phagocytosis. In the environment, the fate of Mycobacterium bovis (Mbo) and Mycobacterium avium subsp. paratuberculosis (Map), responsible for bovine tuberculosis and paratuberculosis respectively, remains poorly understood and is considered potentially problematic in the eradication and control of these diseases.

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Editorial overview: Physiology and metabolism 2024.

Curr Opin Plant Biol

December 2024

John Innes Centre, Norwich Research Park, Norwich NR4 7UH, UK. Electronic address:

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There is no consensus in the literature regarding the optimal treatment for complex proximal humerus fractures (PHFs). The aim of this study is to evaluate the clinical, functional, and radiological outcomes, and complications, associated with the Bilboquet implant in the treatment of PHFs. The search was conducted from the first description of the Bilboquet device in 1994 to June 2024, across PubMed, Web of Science, and Google Scholar, using specific keywords such as ("Bilboquet" OR "Bilboquet prosthesis" OR "Bilboquet device") AND ("proximal humerus fracture" OR "shoulder fracture"), along with Boolean operators.

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