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abrin a/злаякасная пухліна
Спасылка захоўваецца ў буферы абмену
Старонка 1 ад 17 вынікі
Molecular and biological properties of an abrin A chain immunotoxin designed for therapy of human small cell lung cancer.
Перакладаць артыкулы могуць толькі зарэгістраваныя карыстальнікі
Увайсці / Зарэгістравацца
An immunotoxin (IT) comprising abrin A chain attached to the mouse monoclonal antibody SWA11, recognising a cell surface antigen highly associated with human small cell lung cancer (SCLC), was synthesised using a hindered disulphide crosslinker, N-succinimidyl 3-(2-pyridyldithio) butyrate (SPDB),
Comparison of two anti-Thy 1.1-abrin A-chain immunotoxins prepared with different cross-linking agents: antitumor effects, in vivo fate, and tumor cell mutants.
Перакладаць артыкулы могуць толькі зарэгістраваныя карыстальнікі
Увайсці / Зарэгістравацца
The A-chain of the plant toxin abrin was covalently linked to monoclonal anti-Thy 1.1 antibody (OX7) with the use of either N-succinimidyl-3-(2-pyridyldithio)propionate (SPDP) or 2-iminothiolane hydrochloride (2IT). The SPDP reagent generates a linkage containing a disulfide bond and an amide bond,
Delivery of ricin and abrin A-chains to human carcinoma cells in culture following covalent linkage to monoclonal antibody LICR-LOND-Fib 75.
Перакладаць артыкулы могуць толькі зарэгістраваныя карыстальнікі
Увайсці / Зарэгістравацца
With the object of generating specific cytotoxic agents, we have prepared covalent conjugates of the A-chains of ricin and of abrin with monoclonal antibody LICR-LOND-Fib 75 and investigated their toxicity toward a human tumor cell line in culture. Both conjugates proved to be potent cytotoxins
Cloning, expression of the abrin-a A-chain in Escherichia coli and measurement of the biological activities in vitro.
Перакладаць артыкулы могуць толькі зарэгістраваныя карыстальнікі
Увайсці / Зарэгістравацца
The coding sequence of abrin-a A-chain (ABRaA) gene was obtained by RT-PCR and cloned into the expression vector pET28b. The mature ABRaA has been highly expressed in the cytoplasm of Escherichia coli by 1 mmol/L IPTG induction, and the yield of the soluble recombinant protein was 4 mg/L of induced
Exploring Cytotoxic mRNAs as a Novel Class of Anti-cancer Biotherapeutics.
Перакладаць артыкулы могуць толькі зарэгістраваныя карыстальнікі
Увайсці / Зарэгістравацца
New treatments to overcome the obstacles of conventional anti-cancer therapy are a permanent subject of investigation. One promising approach is the application of toxins linked to cell-specific ligands, so-called immunotoxins. Another attractive option is the employment of toxin-encoding plasmids.
The low uptake of an abrin A-chain immunotoxin by rat hepatic cells in vivo and in vitro.
Перакладаць артыкулы могуць толькі зарэгістраваныя карыстальнікі
Увайсці / Зарэгістравацца
The therapeutic value of antibody-ricin A-chain conjugates (immunotoxins) as antineoplastic agents is limited by their rapid removal from the circulation, primarily by cells of the liver which take up the immunotoxin through receptor mediated recognition of mannose-containing oligosaccharides in the
Isolation of antitumor proteins abrin-A and abrin-B from Abrus precatorius.
Перакладаць артыкулы могуць толькі зарэгістраваныя карыстальнікі
Увайсці / Зарэгістравацца
Two toxic proteins were purified from the seeds of Abrus precatorius by DEAE-A 50 and Sepharose 4B chromatography. One of them does not bind on the Sepharose 4B column (Abrin-b) and the other (Abrin-a) is eluted with 0.2 M galactose. The amino acid compositions and tryptic maps of these two proteins
Antitumour effect of abrin on transplanted tumours in mice.
Перакладаць артыкулы могуць толькі зарэгістраваныя карыстальнікі
Увайсці / Зарэгістравацца
Abrin, a galactose specific lectin was purified using sepharose 4B affinity column from seeds of Abrus precatorius. It exhibited antitumour activity in mice when used at a sublethal dose of 7.5 micrograms/kg every alternate day for 10 days. Both intralesional and intraperiloneal (i.p.)
Inhibitory effects of four isoabrins on the growth of sarcoma 180 cells.
Перакладаць артыкулы могуць толькі зарэгістраваныя карыстальнікі
Увайсці / Зарэгістравацца
The four isoabrins were shown to be capable of inhibiting the growth of tumor cells in vivo when one-fifth of their median lethal dose was used. From the in vitro experiments, the doses required for 50% inhibition of protein biosynthesis are 3.2 pg, 45 ng, 32 ng, and 10 ng/ml for abrin-a, -b, -3,
Chimeric protein ABRaA-VEGF121 is cytotoxic towards VEGFR-2-expressing PAE cells and inhibits B16-F10 melanoma growth.
Перакладаць артыкулы могуць толькі зарэгістраваныя карыстальнікі
Увайсці / Зарэгістравацца
It has been known that VEGF(121) isoform can serve as a carrier of therapeutic agents targeting tumor endothelial cells. We designed and constructed synthetic cDNA that encodes a chimeric protein comprising abrin-a (ABRaA) toxin A-chain and human VEGF(121). Expression of the ABRaA-VEGF(121) chimeric
Binding properties of a blood group Le(a+) active sialoglycoprotein, purified from human ovarian cyst, with applied lectins.
Перакладаць артыкулы могуць толькі зарэгістраваныя карыстальнікі
Увайсці / Зарэгістравацца
Studies on the structures and binding properties of the glycoproteins, purified from human ovarian cyst fluids, will aid the understanding of the carbohydrate alterations occurring during the biosynthesis of blood group antigens and neoplasm formation. These glycoproteins can also serve as important
Abrin immunotoxin: targeted cytotoxicity and intracellular trafficking pathway.
Перакладаць артыкулы могуць толькі зарэгістраваныя карыстальнікі
Увайсці / Зарэгістравацца
BACKGROUND
Immunotherapy is fast emerging as one of the leading modes of treatment of cancer, in combination with chemotherapy and radiation. Use of immunotoxins, proteins bearing a cell-surface receptor-specific antibody conjugated to a toxin, enhances the efficacy of cancer treatment. The toxin
Cloning and expression of mistletoe lectin III B-subunit.
Перакладаць артыкулы могуць толькі зарэгістраваныя карыстальнікі
Увайсці / Зарэгістравацца
Aqueous extracts of mistletoe (Viscum album L.) contain toxic proteins (lectins) MLI (viscumin), MLII, and MLIII. We previously cloned the gene encoding MLIII precursor. In the present study, a gene fragment encoding the carbohydrate-binding subunit of mistletoe toxic lectin MLIII was cloned and
Purification, characterization and molecular cloning of trichoanguin, a novel type I ribosome-inactivating protein from the seeds of Trichosanthes anguina.
Перакладаць артыкулы могуць толькі зарэгістраваныя карыстальнікі
Увайсці / Зарэгістравацца
The seeds of the plant Trichosanthes anguina contain a type I ribosome-inactivating protein (RIP), designated trichoanguin, which was purified to apparent homogeneity by the combined use of ion-exchange chromatographies, i.e. first with DE-52 cellulose and then with CM-52 cellulose. The protein was
Antitumor effects of recombinant antivascular protein ABRaA-VEGF121 combined with IL-12 gene therapy.
Перакладаць артыкулы могуць толькі зарэгістраваныя карыстальнікі
Увайсці / Зарэгістравацца
Development and neoplastic progression strongly rely on tumor microenvironment cells. Various kinds of cells that form such tumor milieu play substantial roles in angiogenesis and immunosuppression. Attempts to inhibit tumor vascularization alter tumor milieu and enhance immune response against the
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