As an anti-inflammatory and antioxidant, sodium pyruvate significantly reduces inflammatory cytokines and oxygen radicals such as interleukin (IL) IL-6, IL-8, Monocyte Chemoattractant Protein-1, and hydrogen peroxide. Thus, sodium pyruvate holds promise as a treatment for many respiratory diseases, including allergic rhinitis (AR). Novel treatments for AR are needed as current medications, including steroids, often fail to treat severe symptoms. The data from five human clinical studies were analyzed to determine the effect of 20 mM sodium pyruvate nasal spray (N115) in patients with AR. Nasal inflammation scores were compared to a placebo control or a no-treatment baseline control. Three studies were open-labeled and two were appropriately blinded to both patients and clinicians using computer randomization of subjects. The intranasal administration of sodium pyruvate significantly improved nasal inflammation scores in all five clinical trials of patients with AR ( < 0.0001 in all trials). These results give credence to the overall ability of sodium pyruvate, administered by nasal spray, to treat inflammation of the nasal airways.
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http://dx.doi.org/10.1089/jamp.2022.0025 | DOI Listing |
Plant Physiol Biochem
January 2025
Department of Botany and Microbiology, College of Science, King Saud University, Riyadh, 11451, Saudi Arabia.
Melatonin (Mel) is a tryptophan-derived (N-acetyl-5-methoxytryptamine) molecule. In the present study, role of Mel in the regulation of various anaplerotic enzymes is discussed in relation to N metabolism and H-ATPase activity in mung bean under Cd stress. The application of Mel to the Cd-stressed mung bean seedlings was remarkable in improving the activity of hexokinase (35.
View Article and Find Full Text PDFProc Natl Acad Sci U S A
January 2025
Centre for Tuberculosis Research, Tuberculosis Research Laboratory, Translational Health Science and Technology Institute, National Capital Region Biotech Science Cluster 3rd Milestone, Faridabad, Haryana 121001, India.
Itaconate, an abundant metabolite produced by macrophages upon interferon-γ stimulation, possesses both antibacterial and immunomodulatory properties. Despite its crucial role in immunity and antimicrobial control, its mechanism of action and dissimilation are poorly understood. Here, we demonstrate that infection of mice with increases itaconate levels in lung tissues.
View Article and Find Full Text PDFJ Biochem Mol Toxicol
February 2025
Department of Neurosurgery, the First Affiliated Hospital of Harbin Medical University, Harbin, China.
Objective: Gliomas are the predominant form of malignant brain tumors. We investigated the mechanism of hypoxia-inducible factor-1α (HIF-1α) affecting glioma metabolic reprogramming, proliferation and invasion.
Methods: Human glioma cell U87 was cultured under hypoxia and treated with small interfering (si)HIF-1α, si-B cell lymphoma-2/adenovirus E1B 19-kDa interacting protein 3 (siBNIP3), si-YT521-B homology domain 2 (siYTHDF2), 3-methyladenine and 2-deoxyglucose, with exogenous sodium lactate-treated normally-cultured cells as a lactate-positive control.
Biomedicines
December 2024
Research Institute of Aging and Metabolism, School of Medicine, Kyungpook National University, Daegu 41404, Republic of Korea.
Cisplatin nephrotoxicity is a significant clinical issue, and currently, no approved drug exists to prevent cisplatin-induced acute kidney injury (AKI). This study investigated whether sodium phenylbutyrate (4-PBA), a chemical chaperone, can prevent cisplatin-induced AKI. Six consecutive days of intraperitoneal injections of 4-PBA were administered in a murine model before and after the cisplatin challenge.
View Article and Find Full Text PDFJ Clin Invest
December 2024
Division of Nutritional Science and Obesity Medicine, Department of Medicine, Washington University School of Medicine, St. Louis, Missouri, USA.
Despite the impressive clinical benefits and widespread adoption of sodium glucose cotransporter 2 inhibitors (SGLT2i) to treat all classes of heart failure, their cardiovascular mechanisms of action are poorly understood. Proposed mechanisms range broadly and include enhanced ketogenesis, where the mild ketosis associated with SGLT2i use is presumed to be beneficial. However, in this issue of the JCI, carefully conducted metabolic flux studies by Goedeke et al.
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