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It is a source of the drugs vincristine and vinblastine, used to treat cancer. [3] It was formerly included in the genus Vinca as Vinca rosea. It has many vernacular names among which are arivotaombelona or rivotambelona, tonga, tongatse or trongatse, tsimatiririnina, and vonenina. [4]
Vinca alkaloids are a set of anti-mitotic and anti-microtubule alkaloid agents originally derived from the periwinkle plant Catharanthus roseus (basionym Vinca rosea) and other vinca plants. They block beta-tubulin polymerization in a dividing cell.
Vinca difformis in habitat, Cáceres, Spain. Vinca plants are subshrubs or herbaceous, and have slender trailing stems 1–2 m (3 + 1 ⁄ 2 – 6 + 1 ⁄ 2 ft) long but not growing more than 20–70 cm (8– 27 + 1 ⁄ 2 in) above ground; the stems frequently take root where they touch the ground, enabling the plant to spread widely.
Catharanthus roseus, known formerly as Vinca rosea, is a main source of vinca alkaloids, now sometimes called catharanthus alkaloids. The plant produces about 130 of these compounds, including vinblastine and vincristine , two drugs used to treat cancer.
Vinca alkaloids are derived from the Madagascar periwinkle, Catharanthus roseus, [48] [49] formerly known as Vinca rosea. They bind to specific sites on tubulin, inhibiting the assembly of tubulin into microtubules. The original vinca alkaloids are natural products that include vincristine and vinblastine.
First anticancer drugs approved for clinical use were Vinca alkaloids, vinblastine and vincristine in the 1960s. They were isolated from extracts leaves of the Catharanthus roseus ( Vinca rosea ) plant at the University of Western Ontario in 1958. [ 5 ]
There are also at least 86 alkaloids whose names contain the root "vin" because they are extracted from vinca plants such as Vinca rosea (Catharanthus roseus); [26] these are called vinca alkaloids. [ 27 ] [ 28 ] [ 29 ]
Vindesine, also termed Eldisine, is a semisynthetic vinca alkaloid derived from the flowering plant Catharanthus roseus. [1] Like the natural (e.g. vinblastine and vincristine) and semisynthetic vinca alkaloids (e.g. vinorelbine and vinflunine) derived from this plant, vindesine is an inhibitor of mitosis that is used as a chemotherapy drug. [2]
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