Serotonin reuptake inhibitors improve muscle stem cell function and muscle regeneration in male mice.

Serotonin reuptake inhibitor antidepressants such as fluoxetine are widely used to treat mood disorders. The mechanisms of action include an increase in extracellular level of serotonin, neurogenesis, and growth of vessels in the brain. We investigated whether fluoxetine could have broader peripheral regenerative properties.

Simultaneous determination of oxacillin and cloxacillin in plasma and CSF using turbulent flow liquid chromatography coupled to high-resolution mass spectrometry: Application in therapeutic drug monitoring.

Cloxacillin and oxacillin are group M penicillins. The therapeutic monitoring of plasma concentrations of these antibiotics and those of their hydroxymethylated metabolites is of great clinical interest, especially in the choice of an adequate dosage allowing an effective treatment while limiting the occurrence of undesirable effects and the development of bacterial resistance. In this context, we conducted this work aiming at developing and validating a method allowing the determination of cloxacillin and oxacillin as well as the identification of their active metabolites in different biological matrices (CSF and plasma) using turbulent flow liquid chromatography coupled to high-resolution mass spectrometry.

A reappraisal of the presence of small or large fiber neuropathy in patients with erythromelalgia.

Objective: To assess the contribution of large and small nerve fiber alteration in erythromelalgia (EM).

Methods: Thirty-three EM patients were included and underwent clinical evaluation based on EM severity score, DN4, and Utah Early Neuropathy Scale (UENS) score. Neurophysiological evaluation consisted in nerve conduction studies (NCS) for large nerve fibers and specific tests for small nerve fibers: electrochemical skin conductance, cold and warm detection thresholds, and laser evoked potentials.

Detection of LongR -IGF-I, Des(1-3)-IGF-I, and R -IGF-I using immunopurification and high resolution mass spectrometry for antidoping purposes.

Insulin-like growth factor-I (IGF-I) and its analogs LongR -IGF-I, Des(1-3)-IGF-I, and R -IGF-I are prohibited substances in sport. Although they were never approved for use in humans, they are readily available as black market products for bodybuilding and can be used to enhance physical performance. This study's aims were to validate a fast and sensitive detection method for IGF-I analogs and to evaluate their detectability after intramuscular administration in rats.

Perception of pharmacy students toward opioid-related disorders and roles of community pharmacists: A French nationwide cross-sectional study.

: Community pharmacists are among the frontline health professionals who manage patients with an opioid-related disorder (ORD). Pharmacists frequently have a negative attitude toward these patients, which could have a negative impact on their management. However, education on ORD may improve the attitude of future healthcare professionals.

Use of capillary dried blood for quantification of intact IGF-I by LC-HRMS for antidoping analysis.

 IGF-I is used as a biomarker to detect Growth Hormone doping in athletes' blood samples. Our aim was to develop and validate a fast, high-throughput and accurate quantification of intact IGF-I from volumetric absorptive microsampling (VAMS) dried blood using LC coupled to high resolution mass spectrometry (LC-HRMS). IGF-I was extracted from the VAMS, released from its binding proteins, concentrated using microelution SPE and analyzed by LC-HRMS.

A rapid, automatic and accurate assay for quantifying temocillin in human serum and CSF using turbulent flow liquid chromatography coupled to high-resolution mass spectrometry. Clinical application.

Temocillin is a β-lactamase-resistant penicillin used for the treatment of multiple drug-resistant Gram-negative bacteria. To maximize efficacy and avoid adverse effects, the dose regimen has to be quickly adjusted to the clinical situations. This necessitates the development of a rapid, reliable and accurate analytical method.

Muscular and mitochondrial effects of long-term fluoxetine treatment in mice, combined with physical endurance exercise on treadmill.

Aim: Fluoxetine, one of the first newer SSRI antidepressant, is an extremely popular treatment for depression that could improve mental health problems. Many recent studies have suggested that SSRI have potential beneficial effects on skeletal muscle tissue.

Main Method: We evaluated the potential beneficial effects of oral fluoxetine (18 mg/kg/day for 6 weeks) on muscle performance, after 6 weeks of physical exercise on treadmill.

Electrochemical Skin Conductance as a Marker of Painful Oxaliplatin-Induced Peripheral Neuropathy.

Purpose: Oxaliplatin is a platinum compound widely used in gastrointestinal cancer treatment but produces dose-limiting peripheral neuropathy. New insights into oxaliplatin-induced peripheral neuropathy (OIPN) assessment are needed to detect more effectively this condition. In this context, we conducted Canaloxa study, a prospective preliminary clinical trial that aimed to investigate how Electrochemical Skin Conductance (ESC), a parameter used in small fiber neuropathy assessment, could be helpful in OIPN diagnosis.

Induction of brain Nrf2-HO-1 pathway and antinociception after different physical training paradigms in mice.

Aim: Activation of the Nrf2-antioxidant response element signaling pathway is a major mechanism in the cellular defense against oxidative or electrophilic stress through conjugative reactions and by enhancing cellular antioxidant capacity. Although exercise training up-regulates antioxidant defenses system, while information regarding the intensity levels of physical exercise that acts on the cellular protection systems is limited.

Main Methods: The present study evaluated the effects of different durations and intensities of physical exercise on the hippocampus, cortex and hypothalamus Nrf2 and HO-1 gene expression and related protein content and the nociception thresholds in adult C57Bl male mice.

Quantification of Chronic Oxaliplatin-Induced Hypesthesia in Two Areas of the Hand.

Purpose: Oxaliplatin is a platinum derivate widely used in cancer treatment but producing dose-limiting peripheral neurotoxicity. Acute neuropathy is characterized by a transient cold-induced distal allodynia, whereas chronic neuropathy leads to sensory loss. To design a method for quantitative assessment of oxaliplatin-induced peripheral neuropathy, we developed a study that aims to characterize the most appropriate skin area of the hand to perform sensory tests.

True antihypertensive efficacy of sequential nephron blockade in patients with resistant hypertension and confirmed medication adherence.

Objectives: We assessed the influence of medication adherence on blood pressure (BP) control and target organ damage in a pre-specified analysis of a published trial comparing sequential nephron blockade (SNB) or sequential renin-angiotensin system blockade (SRASB) in patients with resistant hypertension.

Methods: Patients were randomized to SNB (n = 82) or SRASB (n = 82) and studied at baseline and after 12 weeks. BP was measured by ambulatory blood pressure monitoring.

P2X7 Cell Death Receptor Activation and Mitochondrial Impairment in Oxaliplatin-Induced Apoptosis and Neuronal Injury: Cellular Mechanisms and In Vivo Approach.

Limited information is available regarding the cellular mechanisms of oxaliplatin-induced painful neuropathy during exposure of patients to this drug. We therefore determined oxidative stress in cultured cells and evaluated its occurrence in C57BL/6 mice. Using both cultured neuroblastoma (SH-SY5Y) and macrophage (RAW 264.

Validation of an ultra-high performance liquid chromatography tandem mass spectrometric method for quantifying uracil and 5,6-dihydrouracil in human plasma.

A simple, rapid, sensitive and specific ultra-high-performance liquid chromatography-tandem mass spectrometry method (Waters UPLC-MS-MS) is developed and validated for the quantification of uracil (U) and 5,6-dihydrouracil (UH2) levels in human plasma. Analytes are extracted using ethyl acetate and isopropanol after deproteination, and separated by high-performance liquid chromatography (HPLC) (Acquity UPLC BEH C18 column) in a binary mobile phase system under gradient elution conditions at a flow rate of 0.4 mL/min.

Antinociceptive effects of fluoxetine in a mouse model of anxiety/depression.

Pain was reported by 60-90% of patients with depression, and chronic pain states are often linked to depression. Animal models of pain/depression are generally lacking for the identification of centrally active drugs. In the present study, pain sensitivity was assessed in a mouse model of anxiety/depression on the basis of chronic corticosterone (CORT) administration through the drinking water (CORT model).

Drug monitoring of a case of citalopram overdosage.

Selective serotonin reuptake inhibitors are widely prescribed drugs without recognized cardiovascular risk. We report the case of a 54-year-old patient who developed QTc interval prolongation, followed by ventricular fibrillation episodes, 10 hours after admission to the ICU, in the setting of a citalopram overdose. Citalopram plasma values dropped from 5.

Aldo keto reductase 1B7 and prostaglandin F2alpha are regulators of adrenal endocrine functions.

Prostaglandin F(2alpha) (PGF(2alpha)), represses ovarian steroidogenesis and initiates parturition in mammals but its impact on adrenal gland is unknown. Prostaglandins biosynthesis depends on the sequential action of upstream cyclooxygenases (COX) and terminal synthases but no PGF(2alpha) synthases (PGFS) were functionally identified in mammalian cells. In vitro, the most efficient mammalian PGFS belong to aldo-keto reductase 1B (AKR1B) family.

Animal models of chemotherapy-evoked painful peripheral neuropathies.

This review examines recent preclinical research on toxic peripheral neuropathy and potential therapeutic developments. Chemotherapy-induced peripheral neurotoxicity is a major clinical problem because it represents the dose-limiting side effects of a significant number of antineoplastic drugs. Patients are unable to complete full or optimal treatment schedules.

Increase in morphine antinociceptive activity by a P-glycoprotein inhibitor in cisplatin-induced neuropathy.

Pain from anticancer drugs-induced neuropathies is difficult to treat and can significantly alter the patient's quality of life. These neuropathies are considered relatively resistant to conventional analgesic drugs (opioids). Opioids are also P-glycoprotein substrates and it has been demonstrated that the P-glycoprotein is linked to the integrity of blood-brain barrier protecting the nervous system.

Interest of using genetically manipulated mice as models of depression to evaluate antidepressant drugs activity: a review.

Among the multiple possibilities to study human depressive disorders, animal models remain important preclinical tools. They allow the understanding of the mechanisms of action of antidepressant drugs. Primarily developed in rat, animal models of depression have been adapted to the mouse, an easy-to-use mammal with better genetic possibilities than rats.

A rare cause of abdominal compartment syndrome: acute trichlorethylene overdose.

Introduction: The clinical signs of acute trichlorethylene overdose are commonly coma, cardiac conduction disturbances, diarrhea, and vomiting. We report a case of intentional massive trichlorethylene ingestion inducing a fatal abdominal compartment syndrome (ACS).

Case Report: A 47-year-old woman was admitted to the emergency department after intentionally ingesting 500 mL of trichlorethylene and benzodiazepines.

Vincristine-induced neuropathy in the rat is not modified by drug-drug interactions with the P-glycoprotein inhibitor verapamil.

Background: Cancer patients can be exposed to drug interactions during treatment with toxic anticancer drugs. The peripheral nervous system is a target for neurotoxic anticancer drugs. P-glycoprotein is essential for the functional integrity of blood-tissue barriers, and P-glycoprotein inhibition due to possible drug interactions could lead to adverse neurotoxic reactions.

Comparative antiallodynic activity of morphine, pregabalin and lidocaine in a rat model of neuropathic pain produced by one oxaliplatin injection.

A single infusion of oxaliplatin, a drug active against colorectal cancer, induces specific painful syndrome characterized by neurosensitive symptoms triggered or aggravated in cold conditions. In an animal model that reproduces such hypersensitivity to cold for five days after a single oxaliplatin administration (6mg/kg, i.p.