propylamine/злокачественная опухоль

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2-Mercapto-propylamine: radiopharmacology in mice, pharmacokinetic studies in mice and in rats, mutagenicity and differential distribution between tissues and EMT6 tumour in mice.

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Radiopharmacological studies conducted with 2-mercapto-propylamine (2MPA), a methylated derivative of cysteamine, indicated a good efficiency in whole body irradiated mice as observed over a period of 9 months. Its efficacy was also checked for supralethal irradiations of restricted body parts: in

New approaches to cancer chemoprevention with difluoromethylornithine and selenite.

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New approaches to enhancing D,L-alpha-difluoromethylornithine (DFMO) inhibition of DMBA-induced mammary tumorigenesis were investigated. It is reasoned that perturbation of a second regulatory element in polyamine biosynthesis, i.e., the generation of propylamine groups from S-adenosylmethionine

Effect of the tiapamil analog RO11-2933 on cellular sensitivity to antitumor drugs in sensitive and multidrug resistant human ovarian cancer cells.

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The ability of the Tiapamil analog N-(3,4 Dimethoxyphenyl)-N-methyl-2-(naphthyl)-m-dithiane-2-propylamine hydrocloride (RO11-2933) to influence the cytotoxic activity of Doxorubicin (DX) and seven other antitumor agents was evaluated in sensitive and treatment-induced multidrug resistant human

Synergistic anticancer activity of Thiazolo[5,4-b]quinoline derivative D3CLP in combination with cisplatin in human cervical cancer cells.

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BACKGROUND D3CLP (9-[(3-chloro)phenylamine]-2-[3-(diethylamine)propylamine]thiazolo[5,4-b]quinoline) is a potent cytotoxic thiazolo[5,4-b]quinoline synthetic derivative that induces apoptosis of leukemia cells, while it displays low toxicity towards non-tumoral cells. The aim of this study was to

Tumor-Homing pH-Sensitive Extracellular Vesicles for Targeting Heterogeneous Tumors.

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In this study, we fabricated tumor-homing pH-sensitive extracellular vesicles for efficient tumor treatment. These vesicles were prepared using extracellular vesicles (EVs; BTEVs extracted from BT-474 tumor cells or SKEVs extracted from SK-N-MC tumor cells), hyaluronic acid grafted with

pH-responsive hyaluronate-anchored extracellular vesicles to promote tumor-targeted drug delivery.

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pH-Responsive drug vehicles targeting the specific extracellular pH of tumors have served as potent tools to overcome the limitation (e.g., low tumor seletivity) in antitumor drug delivery system. Here, we describe the advantage of pH-responsive extracellular vesicles (HDEA@EVs) containing the

The effects of verapamil and a tiapamil analogue, DMDP, on adriamycin-induced cytotoxicity in P388 adriamycin-resistant and -sensitive leukemia in vitro and in vivo.

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DMDP [N-(3,4-dimethoxyphenethyl)-N-methyl-2-(2-naphthyl-m-dithane- 2-propylamine] a recently developed calcium antagonist analogue, caused a greatly increased intracellular retention of adriamycin and concomitant enhanced cytotoxicity in adriamycin-resistant P388 leukemia cells in vitro. These

Synthesis and cytotoxic activity of novel amidine analogues of bis(2-chloroethyl)amine.

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Novel nitrogen mustard agents 7-12 involving 4-(N,N-bis(2-chloroethyl)aminophenyl)propylamine linked to a 5-(4-N-alkylamidinophenyl)-2-furancarboxylic acid moiety by the formation of an amide bond have been synthesized, characterized, and evaluated for their in-vitro cytotoxic activity against

Development of new folate-based PET radiotracers: preclinical evaluation of ⁶⁸Ga-DOTA-folate conjugates.

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OBJECTIVE A number of (111)In- and (99m)Tc-folate-based tracers have been evaluated as diagnostic agents for imaging folate receptor (FR)-positive tumours. A (68)Ga-folate-based radiopharmaceutical would be of great interest, combining the advantages of PET technology and the availability of (68)Ga

Cationic nonsymmetric transplatinum complexes with piperidinopiperidine ligands. Preparation, characterization, in vitro cytotoxicity, in vivo toxicity, and anticancer efficacy studies.

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A series of complexes of the general formula trans-[PtCl2(Am)(pip-pip)] x HCl where pip-pip is 4-piperidinopiperidine and Am is NH3, methylamine (MA), dimethylamine (DMA), n-propylamine (NPA), isopropylamine (IPA), n-butylamine (NBA), or cyclohexylamine (CHA) were prepared and characterized, and

Photocytotoxic trans-diam(m)ine platinum(IV) diazido complexes more potent than their cis isomers.

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The photocytotoxicity of a series of anticancer trans-dihydroxido [Pt(N(3))(2)(OH)(2)(NH(3))(X)] (X = alkyl or aryl amine) platinum(IV) diazido complexes has been examined, and the influence of cis-trans isomerism has been investigated. A series of photoactivatable Pt(IV)-azido complexes has been

N-nitrosamines in drinking water and beer: Detection and risk assessment.

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Occurrence and risk related to nitrosamines, a group of carcinogenic compounds found in some drinking waters and beer, are studied. An analytical method using a solid-phase micro-extraction (SPME) along with gas chromatography (GC) and mass spectrometry (MS) was developed to determine seven

Antineoplastic activity of the thiazolo[5,4-b]quinoline derivative D3CLP in K-562 cells is mediated through effector caspases activation.

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Thiazolo[5,4-b]quinolines are compounds structurally related to m-Amsacrine (m-Amsa), a potent antileukemic drug that intercalates to DNA and inhibits topoisomerase II in vitro inducing cell death. The clinical use of m-Amsa and other neoplastic drugs is limited due to side effects and drug

Synthesis of congeners and prodrugs. 3. Water-soluble prodrugs of taxol with potent antitumor activity.

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Taxol has shown good in vivo antitumor activity in a number of test systems. The formulation of taxol for antitumor testing has been difficult. Esterification at either C-2' or C-7 resulted in loss of in vitro tubulin assembly activity but not cytotoxicity. These observations suggested that esters

Nitric oxide/nucleophile complexes inhibit the in vitro proliferation of A375 melanoma cells via nitric oxide release.

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Cell-mediated antitumor effects have, in part, been attributed to the production of NO. Compounds which generate NO might, therefore, be useful in attenuating the growth of tumor cells. Six nitric oxide/nucleophile adducts that release NO spontaneously in solution were tested for their effectiveness

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