tabernaemontana stapfiana/protirakovinový

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Preliminary evaluation of In vitro and In vivo antioxidative and antitumor activities of flavonoid extract of Tabernaemontana divaricata leaves in Ehrlich's lymphoma and Dalton's lymphoma ascites model.

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In the present study, the flavonoid fraction of Tabernaemontana divaricata flavonoid fraction(TdFf) leaves was investigated for its in vitro and in vivo antioxidative and antitumor activity.The flavonoid fraction of ethyl acetate extract was assessed for

Phytochemical investigations and evaluation of antimutagenic activity of the alcoholic extract of Glycosmis pentaphylla and Tabernaemontana coronaria by Ames test.

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Chemical investigation of root bark of Glycosmis pentaphylla and stem bark of Tabernaemontana coronaria led to the isolation of three carbazole alkaloids glycozoline, glycozolidine and methyl carbazole 3-carboxylate, two furoquinoline alkaloids skimmianine and dictamine, an acridone alkaloid

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

Plant anticancer agents VI: Isolation of voacangine, voacamine, and epivoacorine from Tabernaemontana arborea sap.

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Fractionation of the sap of Tabernaemontana arborea, guided by cytotoxicity against the P-388 lymphocytic leukemia, yielded the known indole alkaloids voacangine, voacamine, and epivoacorine as the major cytotoxic constituents.

A Hexacyclic, Iboga-Derived Monoterpenoid Indole with a Contracted Tetrahydroazepine C-Ring and Incorporation of an Isoxazolidine Moiety, a Seco-Corynanthean, an Aspidosperma-Aspidosperma Bisindole with Anticancer Properties, and the Absolute Configuration of the Pyridopyrimidine Indole Alkaloid, Vernavosine.

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Examination of the EtOH extract of the Malayan Tabernaemontana corymbosa resulted in the isolation of three new alkaloids, viz., cononuridine (1), an unusual hexacyclic, iboga-derived, monoterpenoid indole characterized by contraction of the tetrahydroazepine C-ring and incorporation of an

Novel antitumour indole alkaloid, Jerantinine A, evokes potent G2/M cell cycle arrest targeting microtubules.

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Natural products play a pivotal role in the treatment of cancer; identification of compounds such as taxanes and the vinca alkaloids were seminal landmarks in natural product drug discovery. Jerantinine A, a novel Aspidosperma alkaloid isolated from plant species Tabernaemontana corymbosa, was

In vitro anticancer properties and biological evaluation of novel natural alkaloid jerantinine B.

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Natural products play a pivotal role in medicine especially in the cancer arena. Many drugs that are currently used in cancer chemotherapy originated from or were inspired by nature. Jerantinine B (JB) is one of seven novel Aspidosperma indole alkaloids isolated from the leaf extract of

Plant anticancer agents IV: identification of tubotaiwine-N-oxide as a cytotoxic constituent of Tabernaemontana holstii.

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Plant anticancer agents V: new bisindole alkaloids from Tabernaemontana johnstonii stem bark.

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The isolation and structure elucidation of the three new bisindole alkaloids, gabunamine, tabernamine, and 19,20-epoxyconoduramine, from Tabernaemontana johnstonii stem bark are described. The isolation of the seven known alkaloids, conodurine, conoduramine, gabunine, isovacangine, ibogamine,

Plant anticancer agents III: Isolation of indole and bisindole alkaloids from Tabernaemontana holstii roots.

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Certain active antileukemic and cytotoxic fractions prepared from Tabernaemontana holstii roots were investigated, resulting in the isolation of the known indole alkaloids conoduramine, conodurine, coronaridine, gabunine, 19-oxocoronaridine, pericyclivine, perivine, and vobasine. Two new alkaloids

In vitro antioxidant and antiproliferative potential of medicinal plants used in traditional Indian medicine to treat cancer.

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OBJECTIVE The goal of this study was to evaluate the antioxidant and antiproliferative activities of 10 traditional medicinal plants, Asclepias curassavica, Ophiorrhiza mungos Linn., Cynodon dactylon (L.) Pers, Costus speciosus (J. Koenig.) Smith Costaceae, Achyranthes aspera L., Amaranthus tristis

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.

Growth inhibition of K-ras-expressing tumours by a new vinca alkaloid, conophylline, in nude mice.

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Conophylline, a new vinca alkaloid isolated from the plant Ervatamia microphylla induced normal flat morphology in K-ras-NRK and K-ras-NIH cell lines, and lowered the increased uptake of 2-deoxyglucose in K-ras-NRK cells. Conophylline inhibited the growth of K-ras-NRK cells, but this inhibition was

11-Methoxytabersonine Induces Necroptosis with Autophagy through AMPK/mTOR and JNK Pathways in Human Lung Cancer Cells.

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Aspidosperma alkaloids, a subclass of monoterpenoid indole alkaloids rich in the Apocynaceae plants, possess remarkable antitumor activities, but the underlying mechanisms have rarely been reported. In the current project, 11-methoxytabersonine (11-MT), an aspidosperma-type alkaloid isolated from

Antiproliferative efficacy of Tabernaemontana divaricata against HEP2 cell line and Vero cell line.

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BACKGROUND Laryngeal cancer may also be called cancer of the larynx or laryngeal carcinoma. Conventional plants are a precious source of novel anticancer agents and are still in performance better role in health concern. The study was intended to estimation of the anticancer activity of the

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