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Cytotoxicity and cell cycle arrest induced by andrographolide lead to programmed cell death of MDA-MB-231 breast cancer cell line.

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BACKGROUND Breast cancer is considered as an increasing major life-threatening concern among the malignancies encountered globally in females. Traditional therapy is far from satisfactory due to drug resistance and various side effects, thus a search for complementary/alternative medicines from

Antiproliferative property of n-hexane and chloroform extracts of Anisomeles malabarica (L). R. Br. in HPV16-positive human cervical cancer cells.

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OBJECTIVE To find the efficacy of serial extracts of Anisomeles malabarica in inhibiting proliferation of and inducing apoptosis in human cervical cancer cells, SiHa and ME 180, that are HPV 16-positive. METHODS The whole plant was extracted in n-hexane, chloroform, ethyl acetate, n-butanol,

Up-regulation of matrix metalloproteinase-9 in T lymphocytes of mammary tumor bearers: role of vascular endothelial growth factor.

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Matrix metalloproteinase-9 (MMP-9), a matrix-degrading enzyme, is crucial in tumor invasion and metastasis and is implicated in leukocyte extravasation. In this report, we demonstrate that during growth of the D1-7,12-dimethylbenzanthracene-3 mammary tumor in BALB/c mice, there is progressive

Positron emission tomography imaging of brain tumors.

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Energy metabolism and amino acid transport and incorporation are important components of the pathophysiology of gliomas, about which molecular imaging is providing regional biologic information that is useful to clinical practice. Imaging hypoxia is straightforward and proliferation imaging with FLT

Identification of lipids associated with the ability of tumor cells to resist humoral immune attack.

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Certain metabolic inhibitors or chemotherapeutic agents that increase the susceptibility of line-1 or line-10 guinea pig hepatoma cells to humoral immune attack were studied for their effects on the ability of the cells to synthesize lipids. A direct correlation was found between the drug-induced

Plasma membrane and intracellular lipid synthesis in tumor cells rendered resistant to humoral immune killing after treatment with hormones.

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Line-10 hepatoma cells from Sewall Wright guinea pigs are sensitive to killing by antibody plus human complement. Hormones that decrease the sensitivity of the cells to antibody-complement-mediated killing (insulin and hydrocortisone) were examined for their effects on the ability of the cells to

15-deoxy-Delta-12,14-prostaglandin J2 induces programmed cell death of breast cancer cells by a pleiotropic mechanism.

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Activation of peroxisome proliferator-activated receptor gamma (PPARgamma) has been found to induce cell death in a variety of cells. In this regard, we reported recently that 15-deoxy-Delta-(12,14)-prostaglandin J2 (15dPG-J2), a specific ligand of the nuclear receptor PPARgamma, inhibits

Hesperidin promotes programmed cell death by downregulation of nongenomic estrogen receptor signalling pathway in endometrial cancer cells.

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Endometrial carcinoma (EC) is the most common malignant gynecologic tumor in women. EC is thought to be caused by increasing estrogen levels relative to progesterone in the body. Hesperidin (Hsd), a biologically active flavonoid, could be extracted from Citrus species. It has been recently shown

Diallyl sulfide induces apoptosis in Colo 320 DM human colon cancer cells: involvement of caspase-3, NF-kappaB, and ERK-2.

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Chemoprevention is regarded as one of the most promising and realistic approaches in the prevention of human cancer. Diallyl sulfide (DAS), an organosulfur component of garlic has been known for its chemopreventive activities against various cancers and also in recent years, numerous investigations

A vesicular stomatitis virus glycoprotein epitope-incorporated oncolytic adenovirus overcomes CAR-dependency and shows markedly enhanced cancer cell killing and suppression of tumor growth.

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Utility of traditional oncolytic adenovirus (Ad) has been limited due to low expression of coxsackie and adenovirus receptor (CAR) in cancer cells which results in poor infectivity of Ads. Here with an aim of improving the efficiency of Ad's entry to the cell, we generated a novel tropism-expanded

Evaluation of the efficacy & biochemical mechanism of cell death induction by Piper longum extract selectively in in-vitro and in-vivo models of human cancer cells.

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BACKGROUND Currently chemotherapy is limited mostly to genotoxic drugs that are associated with severe side effects due to non-selective targeting of normal tissue. Natural products play a significant role in the development of most chemotherapeutic agents, with 74.8% of all available chemotherapy

Anticancer potential of Conium maculatum extract against cancer cells in vitro: Drug-DNA interaction and its ability to induce apoptosis through ROS generation.

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OBJECTIVE Conium maculatum extract is used as a traditional medicine for cervix carcinoma including homeopathy. However, no systematic work has so far been carried out to test its anti-cancer potential against cervix cancer cells in vitro. Thus, in this study, we investigated whether ethanolic

Redox-related Molecular Mechanism of Sensitizing Colon Cancer Cells to Camptothecin Analog SN38

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Background/aim: The aim of this study was to elucidate the possibility of sensitizing colon cancer cells to the chemotherapeutic drug SN38 and investigate its mechanism of action after combined treatment with electroporation (EP).

Different and synergistic actions of human tumor necrosis factor and interferon-gamma in damage of liposome membranes.

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The effects of human recombinant tumor necrosis factor (TNF) and interferon-gamma (IFN-gamma) in damage of liposome membranes were examined to elucidate the molecular mechanism of their antiproliferative actions on tumor cells. The extent of membrane damage was assayed by measuring the rate of

Apoptosis and tumor cell death in response to HAMLET (human alpha-lactalbumin made lethal to tumor cells).

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HAMLET (human alpha-lactalbumin made lethal to tumor cells) is a molecular complex derived from human milk that kills tumor cells by a process resembling programmed cell death. The complex consists of partially unfolded alpha-lactalbumin and oleic acid, and both the protein and the fatty acid are

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