helianthus/neoplasms

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Map locations of five transcripts homologous to TR-DNA in tobacco and sunflower crown gall tumors.

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Polyadenylated RNA from two octopine type tumor lines (E1, PSCG-15955) was analyzed by RNA blot hybridization and shown to contain five major transcripts homologous to TR DNA. In tobacco E1 tissue, the molecular weights of the TR homologous RNAs are 1.65 kb, 1.55 kb, 1.45 kb, 1.05 kb, and 0.78 kb.

Deletion analysis of the mannopine synthase gene promoter in sunflower crown gall tumors and Agrobacterium tumefaciens.

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We have used deletion mutagenesis to analyze a TR-DNA promoter from the octopine-type Ti plasmid pTiB6806. The promoter for the gene encoding mannopine synthase (mas) was cloned upstream of the bacterial kanamycin-resistance gene neomycin phosphotransferase II (NPT II). Bal31 deletion mutagenesis

T-DNA of pTi-15955 from Agrobacterium tumefaciens is transcribed into a minimum of seven polyadenylated RNAs in a sunflower crown gall tumor.

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Northern blot hybridization analysis of polysomal polyadenylated RNA isolated from sunflower crown gall tumor PSCG-15955 demonstrated that a minimum of seven RNAs were transcribed from T-DNA of pTi-15955 from Agrobacterium tumefaciens. The sizes of the T-DNA transcripts were 1.8, 1.6, 1.5, 1.1, 1.0

Sunflower seed oil-enriched product can inhibit Ehrlich solid tumor growth in mice.

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BACKGROUND Sunflower seed oil (SSO) effect on solid and ascitic forms of Ehrlich tumor was evaluated. METHODS Solid or ascitic Ehrlich tumor-bearing Swiss mice were treated daily, by subcutaneous route, with 200 microl of SSO. The solid tumor-bearing footpad was measured every 3 days and ascitic

Anti-angiogenesis and immunomodulatory activities of an anti-tumor sesquiterpene bigelovin isolated from Inula helianthus-aquatica.

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Bigelovin is a sesquiterpene lactone isolated from the plant Inula helianthus-aquatica which was traditionally used in cancer treatment in Yunnan, China. The potent apoptotic activities of bigelovin in human leukemia U937 cells were shown in our previous study. The present study investigated the

Phaseolin gene from bean is expressed after transfer to sunflower via tumor-inducing plasmid vectors.

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Sequences coding for the bean seed protein phaseolin were inserted into transferred DNA regions of tumor-inducing plasmids. Constructions were devised in which the coding region of phaseolin was fused in the correct reading frame with the coding region of octopine synthase and placed under the

Isolation, structural elucidation, and inhibitory effects of terpenoid and lipid constituents from sunflower pollen on Epstein-Barr virus early antigen induced by tumor promoter, TPA.

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Eight fatty acid esters of triterpene alcohols (1-8), four free triterpene alcohols (9, 12, 17, and 18), four diterpene acids (19-22), two tocopherol-related compounds (23 and 24), four estolides (25-28), three syn-alkane-4,6-diols (29-31), one 1,3-dioxoalkanoic acid (32), and one aliphatic ketone

Stressed Jerusalem artichoke tubers (Helianthus tuberosus L.) excrete a protein fraction with specific cytotoxicity on plant and animal tumour cell.

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Wounds from Jerusalem artichoke (Helianthus tuberosus L.) tubers excrete bioactive metabolites from a variety of structural classes, including proteins. Here we describe a protein specifically active against tumour cells arising either from human, animal or plant tissues. The non-tumour animal cells

[The effect of parenteral administration of sunflower oil on tumor development (short report)].

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The Relationship of Temperature and Nutrition to the Growth of Sunflower Tumor Tissue in Vitro.

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Cytotoxic furanogermacranolides from the flowers of Helianthus angustifolius.

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The dichloromethane extract of the flowers of Helianthus angustifolius L. (Asteraceae, Heliantheae) was investigated in vitro for its cytotoxic activity using human cancer cell lines: CCRF-CEM leukemia, MDA-MB-231 breast cancer, U251 glioblastoma, HCT 116 colon cancer cells, and the human lung

Design and synthesis of novel and potent inhibitors of the type II transmembrane serine protease, matriptase, based upon the sunflower trypsin inhibitor-1.

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Matriptase, initially isolated from human breast cancer cells in culture, is a member of the emerging class of type II transmembrane serine proteases. Matriptase blockade could potentially modulate tumorigenesis and metastasis in vivo. Sunflower trypsin inhibitor-1 (1, SFTI-1), isolated from

Separation and characterization of four different amino acid sequence variants of a sea anemone (Stichodactyla helianthus) protein cytolysin.

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A basic protein cytolysin previously isolated from the Caribbean sea anemone Stichodactyla helianthus was shown by CM cellulose chromatography to consist of four isotoxins possessing different N-terminal amino acid sequences. These are designated as toxins I-IV in order of increasing isoelectric

Sunflower Polymers for Folate-Mediated Drug Delivery.

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Polymeric delivery vehicles can improve the safety and efficacy of chemotherapy drugs by facilitating preferential tumor delivery. Polymer-drug conjugates are especially attractive carriers because additional formulation steps are not required during manufacturing, and drug release profiles can be

Plasmonic SERS Au Nano-Sunflowers for Sensitive and Label-Free Diagnosis of DNA Bases Damage in Stimulus-Induced Cell Apoptosis

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Molecular diagnosis and accurate damage analysis of complex genomic DNAs in tumor cells are crucial to the theranostics of cancers but still a huge challenge. Herein, by designed preparation of an uniform plasmonic sunflower-like assembly gold (Au) nanostructure that capable of efficient DNA capture

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