catharanthus roseus/neoplasms

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First field isolation of wound tumor virus from a plant host: minimal sequence divergence from the type strain isolated from an insect vector.

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A new strain of wound tumor virus (WTV) has been isolated from a periwinkle plant (Catharanthus roseus) that was among several used as bait plants in a blueberry field. The 12 segments of double-stranded RNA of the viral genome were isolated directly from infected tissue and found to have mobilities

Draft genome sequence data of Streptomyces sp. SS1-1, an endophytic strain showing cytotoxicity against the human lung cancer A549 cell line.

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We report in this article the cytotoxicity of Streptomyces sp. SS1-1 against the human lung cancer A549 cell line, its draft genome sequence and a total of 20 predicted secondary metabolite biosynthetic gene clusters. Streptomyces sp. SS1-1 was an endophytic bacterial strain isolated

Cytotoxic Effect of Erythroxylum suberosum Combined with Radiotherapy in Head and Neck Cancer Cell Lines.

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The mouth and oropharynx cancer is the 6th most common type of cancer in the world. The treatment may involve surgery, chemotherapy and radiotherapy. More than 50% of drugs against cancer were isolated from natural sources, such as Catharanthus roseus and epipodophyllotoxin, isolated from

A reduction in energy-dependent amino acid transport by microtubular inhibitors in Ehrlich ascites tumor cells.

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Vincristine, other periwinkle alkaloids, and colchicine partially inhibit the energy dependent transport of alpha-aminoisobutyric acid in Ehrlich ascites tumor cells. The properties of this phenomenon were characterized in detail for vincristine. Maximum depression of the steady-state intracellular

Importance of producing economic compounds to combat cancer.

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The manuscript published by Microb Biotechnol, volume 10, highlights the relevance of the fungus Nigrospora sphaerica, an endophyte isolated from Catharanthus roseus, as an alternative source to obtain vinblastine, a compound used in chemotherapy schemes to treat several types of cancer. Authors

Co-overexpression of geraniol-10-hydroxylase and strictosidine synthase improves anti-cancer drug camptothecin accumulation in Ophiorrhiza pumila.

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Camptothecin (CPT) belongs to a group of monoterpenoidindole alkaloids (TIAs) and its derivatives such as irinothecan and topothecan have been widely used worldwide for the treatment of cancer, giving rise to rapidly increasing market demands. Genes from Catharanthus roseus encoding strictosidine

Phytohormones in the formation of crown gall tumors.

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Crown gall tumors were initiated in a variety of plant species by infection with Agrobacterium tumefaciens strain B6 and the concomitant changes in the tissue levels of phytohormones, mainly indole-3-acetic acid (IAA) and cytokinins, were analyzed. A comparison was made of these hormones with those

Photosynthesized gold nanoparticles from Catharanthus roseus induces caspase-mediated apoptosis in cervical cancer cells (HeLa).

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Bionanotechnology has pivotal role in the development of a novel therapy, applications of gold nanoparticles (AuNPs) in the treatment of cancer. In this study, we found that therapeutics, pharmaceutics and diagnostic effectiveness of photosynthesized Catharanthus roseus (CR) AuNPs induces

Medicinal Plants Used in Traditional Management of Cancer in Uganda: A Review of Ethnobotanical Surveys, Phytochemistry, and Anticancer Studies.

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The burden of neoplastic diseases is a significant global health challenge accounting for thousands of deaths. In Uganda, about 32,617 cancer cases were reported in 2018, accompanied by 21,829 deaths. In a view to identify some potential anticancer plant candidates for possible drug development, the

Leaf Extract of Nerium oleander L. Inhibits Cell Proliferation, Migration and Arrest of Cell Cycle at G2/M Phase in HeLa Cervical Cancer Cell

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Background: Cervical cancer is one of the most common gynecological malignant tumors found in women. Although a number of early screening and treatment options are available but mortality due to cervical cancer still remains high. Nerium

Cytotoxicity and apoptosis induction in breast cancer, skin cancer and glioblastoma cells by plant extracts.

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Medicinal plants can be candidate as a common alternative for cancer treatment according to natural landscaping and native plants in each country. The aim of this study was the evaluations of cytotoxicity, apoptosis, and cell cycle arrest induction by using seven leaves extracts of Catharanthus

Anti-cancer drug discovery and development in Brazil: targeted plant collection as a rational strategy to acquire candidate anti-cancer compounds.

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Throughout medical history, plant products have been shown to be valuable sources of novel anti-cancer drugs. Examples are the VINCA: alkaloids, the taxanes, and the camptothecins, derived from the Madagscan periwinkle plant Catharantus roseus, the Pacific yew Taxus brevifolia, and the Chinese tree

The Apoptotic Effect of Plant Based Nanosilver in Colon Cancer Cells is a p53 Dependent Process Involving ROS and JNK Cascade.

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Here, we report the p53 dependent mitochondria-mediated apoptotic mechanism of plant derived silver-nanoparticle (PD-AgNPs) in colorectal cancer cells (CRCs). PD-AgNPs was synthesized by reduction of AgNO3 with leaf extract of a medicinal plant periwinkle and characterized. Uptake of PD-AgNPs (ξ -

Comparative cytotoxic activity between kaempferol and gallic acid against various cancer cell lines.

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This data article indicates the in vitro cytotoxicity of kaempferol and gallic acid across different cancer cell lines including A2780 (ovarian), H460 (lung), A431 (skin), MIA PaCa-2 (pancreas), Du145 (prostate), HT29 (colon), MCF-7 (breast), BE2-C (neuroblastoma), SJ-G2, U87 and SMA (glioblastoma).

The discovery of the vinca alkaloids--chemotherapeutic agents against cancer.

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In folklore medicine, extracts of the leaves of the subtropical plant Catharanthus roseus (L.) G. Don (sometimes known as Madagascar periwinkle) were reputed to be useful in the treatment of diabetes. This review describes how attempts to verify the antidiabetic properties of the extracts led

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