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coronaridine/tabernaemontana
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Coronaridine, an iboga type alkaloid from Tabernaemontana divaricata, inhibits the Wnt signaling pathway by decreasing β-catenin mRNA expression.
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Four alkaloids, voacangine (1), isovoacangine (2), coronaridine (3), and coronaridine hydroxyindolenine (4), were isolated from the MeOH extract of Tabernaemontana divaricata aerial parts by activity-guided fractionation for Wnt signal inhibitory activity. Compounds 1-4 exhibited TCF/β-catenin
In vitro activities of iboga alkaloid congeners coronaridine and 18-methoxycoronaridine against Leishmania amazonensis.
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In previous studies, we demonstrated the leishmanicide effect of coronaridine, a natural indole alkaloid isolated from stem bark of Peschiera australis (Delorenzi et al., Antimicrob. Agents Chemother. 45:1349-1354, 2001). In this study we show the leishmanicidal effect of the synthetic coronaridine
Cytotoxicity and genotoxicity of coronaridine from Tabernaemontana catharinensis A.DC in a human laryngeal epithelial carcinoma cell line (Hep-2).
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Cancer has become a major public health problem worldwide and the number of deaths due to this disease is increasing almost exponentially. In the constant search for new treatments, natural products of plant origin have provided a variety of new compounds to be explored as antitumor agents.
Extraction and Conversion Studies of the Antiaddictive Alkaloids Coronaridine, Ibogamine, Voacangine, and Ibogaine from Two Mexican Tabernaemontana Species (Apocynaceae).
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Several species from the Apocynaceae family, such as Tabernanthe iboga, Voacanga africana, and many Tabernaemontana species, produce ibogan type alkaloids, some of which present antiaddictive properties. In this study, we used gas chromatography/mass spectrometry (GC/MS) to examine the efficiency of
Alkaloid studies. 8. Isolation and characterization of alkaloids of Tabernaemontana heyneana Wall and antifertility properties of coronaridine.
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[ALKALOIDS OF THE TABERNAEMONTANA PANDACAQUI POIR. ISOLATION OF CORONARIDINE].
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Isolation of Coronaridine from the Seeds of Tabernaemontana penduliflora.
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Alkaloids from Tabernaemontana psorocarpa.
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The isolation of the alkaloids from two different samples of stem bark of Tabernaemontana psorocarpa is described. Both samples contained 16-epi-isositsirikine as the major alkaloid but differed from each other in the number and quantity of the other alkaloids. The following minor alkaloids were
A new alkaloid and other anti-implantation principles from Tabernaemontana heyneana.
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A new alkaloid designated as ervatine, in addition to seven known alkaloids, viz. tabersonine, coronaridine, heyneanine, voacristine, voacristine hydroxyindolenine, hydroxyibogamine, and coronaridine hydroxyindolenine, were isolated from the fruit of Tabernaemontana heyneana Wall. Characterisation
Accumulation of indole alkaloids in a suspension culture of Tabernaemontana divaricata.
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Cell suspension cultures of TABERNAEMONTANA DIVARICATA were found to produce relatively large amounts of indole alkaloids. For their isolation an ion-pair DCCC method was used in combination with preparative TLC. The alkaloids were identified as tabernaemontanine, perivine, vobasine, voaphylline,
Virtual Screening of compounds from Tabernaemontana divaricata for potential anti-bacterial activity.
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Virtual Screening and Molecular Docking analysis for Tabernaemontana divaricata derived 66 Law Molecular Weight Compounds (LMW) was conducted and to identified and predicted novel molecules as a inhibitor of Streptococcus pneumonia. The investigation has revealed several compounds with optimum
Indole alkaloids from cell suspension cultures of Tabernaemontana divaricata and Tabernanthe iboga.
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From cell suspension cultures of Tabernaemontana divaricata and Tabernanthe iboga grown under standard conditions, six monoterpenoid indole alkaloids have been isolated and identified. T. divaricata synthesized apparicine, catharanthine, coronaridine, conoflorine, tubotaiwine and vinervine, whereas
Antileishmanial activity of an indole alkaloid from Peschiera australis.
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In this study, we show the leishmanicidal effects of a chloroform fraction (CLF) and a purified indole alkaloid obtained from crude stem extract of Peschiera australis against Leishmania amazonensis, a causative agent of cutaneous leishmaniasis in the New World. In a bioassay-guided chemical
Monoterpene Indole Alkaloids from the Fruit of Tabernaemontana litoralis and Differential Alkaloid Composition in Various Fruit Components.
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Two new monoterpene indole alkaloids, isoakuammiline (1) and 18-hydroxypseudovincadifformine (2), and five known alkaloids, coronaridine (3), heyneanine (4), 3,19-oxidocoronaridine (5), tabersonine, and strictosidine, were identified from the fruit of Tabernaemontana litoralis. The structures of the
Bio-guided search of active indole alkaloids from Tabernaemontana catharinensis: Antitumour activity, toxicity in silico and molecular modelling studies.
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Active plant metabolites have been used as prototype drugs. In this context, Tabernaemontana catharinensis (Apocynaceae) has been highlighted because of the presence of active indole alkaloids. Thus, this study aims the bio-guided search of T. catharinensis cytotoxic alkaloids. The chemical
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