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10 rezultatus
Anti-tumor promoting activities of lantadenes on mouse skin tumors and mouse hepatic tumors.
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Prisijungti Registracija
Two-stage carcinogenesis of mouse skin papillomas induced by 7,12-dimethylbenz[alpha]anthracene and 12-O-tetradecanoylphorbol 13-acetate, and mouse hepatic tumors induced by N-nitrosodiethylamine and phenobarbital, were inhibited by lantadenes.
Synthesis, selective cancer cytotoxicity and mechanistic studies of novel analogs of lantadenes.
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The ring A and D substituted analogs of pentacyclic triterpenoid Lantadene A (1) and B (2) were synthesized and evaluated for in vitro anticancer activity against four human cancer cell lines (HL-60, MCF-7, A549 and HCT-116). Analogs 3, 4, 7 and 8 showed enhanced inhibitory activity as compared with
Genotoxic and Cytotoxic Activities of Lantadene A-Loaded Gold Nanoparticles (LA-AuNPS) in MCF-7 Cell Line: An in vitro Assessment
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Gold nanoparticles (AuNPs) have been widely used in many applications. Their usage as drug delivery vehicles has also gained considerable attention due to their chemical and optical properties as well as their good biocompatibility. The present study was conducted to evaluate the efficiency of AuNPs
Design, synthesis and evaluation of lantadene A congener with hydroxyl functionality in ring A as an antitumour agent.
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Pentacyclic triterpenoid lantadene A congener with hydroxyl functionality in ring A was designed and synthesised on the basis of enhancement of polarity and bioactivity. The new synthesised compound 22β-angeloyloxy-methyl-2-hydroxy-3-oxoolean-1,12-dien-28-oate (6) was screened for cytotoxicity
Synthesis, cytotoxicity, and antitumor activity of lantadene-A congeners.
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Five new derivatives of the pentacyclic triterpenoid lantadene A (= 22beta-angeloyloxy-3-oxoolean-12-en-28-oic acid; 1) from the leaves of Lantana camara L. were synthesized, characterized, and screened for their cytotoxicities against four human cancer cell lines. The three most-potent compounds,
Lantadenes and their esters as potential antitumor agents.
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Prisijungti Registracija
Lantadenes are pentacyclic triterpenoids of the weed Lantana camara. Five new lantadenes (14-18) and their methyl esters (20-24) were synthesized, characterized, and screened for cytotoxicity against four human cancer cell lines. The parent compound (1) and the four most active compounds (15, 16,
Synthesis and in vitro anticancer studies of novel C-2 arylidene congeners of lantadenes.
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Prisijungti Registracija
The antitumor pentacyclic triterpenoids, Lantadene A (1) and B (2) were isolated from the leaves of weed Lantana camara L. (Verbenaceae) and were structurally transformed to bioactive intermediates 3-6. The Claisen-Schmidt reaction of 22β-hydroxy-3-oxoolean-12-en-28-oic acid (5) with requisite
Chemopreventive activity of lantadenes on two-stage carcinogenesis model in Swiss albino mice: AP-1 (c-jun), NFkappaB (p65) and P53 expression by ELISA and immunohistochemical localization.
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Prisijungti Registracija
Lantadenes are pentacyclic triterpenoids isolated from leaves of Lantana camara L. and have antitumor activity. Lantadene A (LA) and methyl ester of LA (LAM) were earlier studied in the author's lab for their chemopreventive effect on 7,12-dimethylbenz(a)anthracene (DMBA) followed by
Novel dual inhibitors of nuclear factor-kappa B (NF-κB) and cyclooxygenase- 2 (COX-2): synthesis, in vitro anticancer activity and stability studies of lantadene-non steroidal anti-inflammatory drug (NSAID) conjugates.
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The activation of transcription factors nuclear factor-kappa B (NF-κ B) and cyclooxygenase-2 (COX-2) is critical in cancer; they act synergistically in promoting tumor growth, survival, and resistance to chemotherapy. Thus, combined targeting of NF-κ B and COX-2 present an opportunity for
Cytotoxic and cell cycle arrest induction of pentacyclic triterpenoides separated from Lantana camara leaves against MCF-7 cell line in vitro.
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Lantana camara is an important medicinal plant that contains many active compounds, including pentacyclic triterpenoids, with numerous biological activities. The present study was conducted to evaluate the anti-oxidant, anti-tumour, and cell cycle arrest properties of chemical compounds extracted
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