Results of optimization of general anesthesia during abdominal surgeries in patients with abdominal sepsis are analyzed. Inhibitors of proteases (transamin and antagozan) were used as non-opiate component in transduction stage. Central hemodynamics, gaseous metabolism and heart rate were analyzed in two groups of patients: group 1 -- anesthesia was carried out with inhibitors of proteases (32 patients), group 2 -- without it (30 patients). High efficacy of the inhibitors was demonstrated. Inhibitors of proteases are indicated for anesthesia in patients with severe metabolic disorders associated with tissues hypoxia. Analgesic activity of transamin permits one to decrease doses of anesthetic medication with a cardiodepressive effect.
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J Biomol Struct Dyn
January 2025
Laboratory of Biology and Health, URAC 34, Faculty of Sciences, Ben M'Sik Hassan II University of Casablanca, Casablanca, Morocco.
The recent spread of SARS-CoV-2 has led to serious concerns about newly emerging infectious coronaviruses. Drug repurposing is a practical method for rapid development of antiviral agents. The viral spike protein of SARS-CoV-2 binds to its major receptor ACE2 to promote membrane fusion.
View Article and Find Full Text PDFParasit Vectors
January 2025
Laboratório de Imunologia Clínica, Instituto Oswaldo Cruz, Fundação Oswaldo Cruz-Fiocruz, Rio de Janeiro, RJ, 21040-360, Brazil.
Background: Leishmaniases are neglected tropical diseases with great clinical and epidemiological importance. The current chemotherapy available for the treatment of leishmaniasis presents several problems, such as adverse effects, toxicity, long treatment time, and parasite resistance. The discovery of new therapeutic alternatives is extremely essential, and the discovery of cellular targets is a tool that helps in the development of new drugs.
View Article and Find Full Text PDFClin Exp Med
January 2025
Department of Medical Genetics, School of Medicine, Tehran University of Medical Sciences (TUMS), Tehran, Iran.
Cellular senescence is understood to be a biological process that is defined as irreversible growth arrest and was originally recognized as a tumor-suppressive mechanism that prevents further propagation of damaged cells. More recently, cellular senescence has been shown to have a dual role in prevention and tumor promotion. Senescent cells carry a senescence-associated secretory phenotype (SASP), which is altered by secretory factors including pro-inflammatory cytokines, chemokines, and other proteases, leading to the alteration of the tissue microenvironment.
View Article and Find Full Text PDFBioorg Med Chem Lett
January 2025
Department of Infectious Diseases, Kumamoto University School of Medicine, Kumamoto 860-8556, Japan; Center for Clinical Sciences, National Center for Global Health and Medicine, Tokyo 162-8655, Japan; Experimental Retrovirology Section, HIV and AIDS Malignancy Branch, National Cancer Institute, National Institutes of Health, Bethesda, MD 20892, USA.
We describe here the design, synthesis, and X-ray structural studies of a new class of HIV-1 protease inhibitors containing 8-oxabicyclo[3.2.1]octanol-derived P2 ligands.
View Article and Find Full Text PDFExp Dermatol
January 2025
Department of Dermatology, Ajou University School of Medicine; Suwon, Suwon, Korea.
Senescent melanocytes have been suggested to play a role in the development of ageing-associated pigmentary changes and skin ageing. Here, we assessed the senolytic capacity of recognised senolytic chemicals and natural compounds in UV-irradiated senescent melanocytes. Among the tested agents, only ABT-737 and ABT-263 showed a significant reduction in the number of SA-β-Gal-positive senescent melanocytes and in the expressions of p16 and p21.
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