2. Articole

Permanent URI for this collectionhttps://msuir.usm.md/handle/123456789/46

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    Sinteze de noi derivați benzochinolinici cu activitate anticanceroasă [Articol]
    (CEP USM, 2024) Zbancioc, Gheorghită; Moldoveanu, Costel; Mangalagiu, Ionel
    This work synthesized various novel benzo[c]quinoline compounds, detailed their structural features, and examined their anticancer activity in vitro. First, the nitrogen atom in benzo[c]quinoline is quaternized, and the in situ-formed ylide is then subjected to a [3+2] dipolar cycloaddition reaction. A detailed investigation was conducted to determine how successful traditional thermal heating (TH) synthesis was in comparison to microwave (MW) and ultrasonic (US) irradiation. FTIR, HRMS, and NMR were the three spectral techniques that were used to prove the structure of all the obtained compounds. In an invitro single-dose anticancer experiment, all benzo[c]quinoline derivatives (quaternary salts and cycloadducts) that have previously been obtained were tested. The findings showed that the anticancer activity of the cycloadducts 5a-c and 6a-c is stronger than quaternary salts 3a-c. Compound 5a is the most active, exhibiting anticancer action on the majority of the cell lines examined, but compound 6c is the second most active, demonstrating notable mortality for the SR Leukemia cell line (17%). Correlations between the structure-activity relationship (SAR) are also included in the study.
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    Synthesis, computational pharmacokinetics report, admet study and molecular docking of new thiosemicarbazones potential inhibitors of her2 - positive breast cancer [Articol]
    (CEP USM, 2024) Rusnac, Roman; Ciursin, Andrei; Gulea, Aurelian
    To maintain a high level of healthcare, humanity needs to develop new drugs. Thiosemicarbazones represent a very interesting class of substances from the point of view of their biological activities. Despite this, their use is very limited due to their toxicity. To solve this problem, it is possible to synthesize thiosemicarbazones based on natural substances. This can reduce their toxicity without loss of effectiveness. a number of computational methods can be used for the design and preliminary evaluation of thiosemicarbazones, which will help eliminate many unsuitable candidates. This will help reduce the cost and speed up the pace of development of new effective substances from this class. such methods include aDMeT calculations and molecular docking.
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    BIOLOGICAL APPLICATIONS OF MOLYBDENUM INORGANIC COMPOUNDS
    (CEP USM, 2020) Fuior, Arcadie
    Molybdenum is an essential element for nature in both organic and inorganic environments. It is present in more than 50 enzymes that catalyze very important redox reactions for the majority of the living organisms and for the entire biogeochemical cycle of nitrogen. Biocompatibility of this metal within various chemical combinations motivated the investigation of eventual useful biological properties. In this revi ew article, molybdenum compounds are explored in order to highlight their applications in biology and medicine as promising antitumor, antibacterial, antiviral and antioxidant agents.
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    SINTEZA UNOR DERIVAȚI AI 1,2,4-TRIAZOLULUI ÎN BAZA N-[4-(3-METIL-5-SULFANIL-4H-1,2,4-TRIAZOL-4-IL)FENIL]ACETAMIDEI
    (CEP USM, 2018) Rusnac, Roman; Garbuz, Olga; Barbă, Nicanor; Gulea, Aurelian; Bălan, Greta; Bruduniuc, Olga
    În articol sunt descrise metodele de sinteză a 8 compuși organici din seria 1,2,4-triazol-3-tiolilor, dintre care 7 compuși sunt noi, a căror structură a fost confirmată prin sinteză și cu ajutorul metodelor spectrale: 1H-RMN, 13C-RMN și IR (FTIR). Compușii (2) și (3) au fost investigați cu ajutorul difracției razelor X pe monocristal. Unii compuși obținuți au demonstrat proprietăți antiproliferative moderate: inhibă creșterea celulelor de HEp-2 și BxPC-3. Activitate antifungică au demonstrat compușii (2) și (7), cu o valoare a CMI de 0,125 μg/mL. Proprietățile antioxidative au fost studiate cu ajutorul metodei ABTS și DPPH; astfel, cel mai bun atioxidant s-a dovedit a fi 2-[(2-hidroxifenil)metiliden]-N-[4-(3-metil-5-sulfanil-4H-1,2,4-triazol-4-il)fenil]hidrazin-1-carbotioamida (7).