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Changes of b2-microglobulin and electrolytes in different stages of COPD and their value in evaluating prognosis.
J Med Biochem
November 2024
Central South University, Zhuzhou Hospital Affiliated to Xiangya School of Medicine, Department 2 of Respiratory and Critical Medicine, Zhuzhou, China.
Background: To investigate the changes of b2-microglobulin and electrolyte in different stages of chronic obstructive pulmonary disease (COPD) and the value of evaluating prognosis.
Methods: A retrospective study was undertaken on 120 patients diagnosed with COPD and treated at our respiratory department between February 1, 2020, and January 31, 2023. These patients were classified into three groups based on the GOLD classification: mild (FEV1 > 81%), moderate (51% < FEV1 ≤ 80%), and severe (FEV1 ≤ 50%).
Metal-organic frameworks-derived CaO/ZnO composites as stable catalysts for biodiesel production from soybean oil at room temperature.
Sci Rep
January 2025
Department of Chemistry, Catalysis Division, University of Isfahan, Isfahan, 81746-73441, Iran.
Biodiesel presents a sustainable alternative to fossil fuels, yet traditional homogeneous catalysts like sodium and potassium hydroxide face challenges with separation and reuse. Calcium oxide (CaO) is an effective heterogeneous catalyst for biodiesel production, but its chemical instability under reaction conditions restricts its long-term performance. This study introduces MOF-mediated synthesis (MOFMS) of heterogeneous catalysts, specifically CaO@ZnO and ZnO@CaO nanocomposites, from inexpensive and non-toxic metal salts and linkers in water.
View Article and Find Full Text PDFThe role of cation-exchange resins in hyperkalemia management.
Med J Armed Forces India
August 2024
Head of Nephrology Division, Department of Internal Medicine, Faculty of Medicine, Universitas Airlangga, Jl. Prof. Dr. Moestopo No.47, Pacar Kembang, Kec. Tambaksari, Surabaya, Jawa Timur, Indonesia.
Hyperkalemia, characterized by elevated serum potassium levels, poses significant health risks, including life-threatening cardiac arrhythmias. The management of hyperkalemia has evolved, incorporating calcium polystyrene sulfonate (CPS) and newer agents such as sodium zirconium cyclosilicate (SZC) and patiromer alongside traditional treatments. This review provides a comprehensive examination of current management strategies for hyperkalemia, focusing on the comparative effectiveness, safety profiles, and patient preferences concerning CPS, SZC, and patiromer.
View Article and Find Full Text PDFDurable suppression of seizures in a preclinical model of KCNT1 genetic epilepsy with divalent small interfering RNA.
Epilepsia
January 2025
Atalanta Therapeutics, Boston, Massachusetts, USA.
Objective: Gain-of-function variants in the KCNT1 gene, which encodes a sodium-activated potassium ion channel, drive severe early onset developmental epileptic encephalopathies including epilepsy of infancy with migrating focal seizures and sleep-related hypermotor epilepsy. No therapy provides more than sporadic or incremental improvement. Here, we report suppression of seizures in a genetic mouse model of KCNT1 epilepsy by reducing Kcnt1 transcript with divalent small interfering RNA (siRNA), an emerging variant of oligonucleotide technology developed for the central nervous system.
View Article and Find Full Text PDFEntomopathogenic Nematode Species Vary in Their Behavior and Virulence in Response to Cardiac Glycosides Within and Around Insect Hosts.
J Chem Ecol
January 2025
Department of Nematology, University of California Riverside, Riverside, CA, USA.
Plants produce defensive toxins to deter herbivores. In response, some specialized herbivores evolved resistance and even the capacity to sequester toxins, affecting interactions at higher trophic levels. Here, we test the hypothesis that potential natural enemies of specialized herbivores are differentially affected by plant toxins depending on their level of adaptation to the plant-herbivore system.
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