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Discovering the structure-activity relationships of different O-prenylated coumarin derivatives as effective anticancer agents in human cervical cancer cells.

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Cervical cancer remains one of the greatest life threatening diseases for women worldwide. Although chemotherapy is considered as a standard treatment for advanced cervical cancers, there are still some drawbacks in this procedure including side effects and acquired drug resistance, which

[Research progress on effect of coumarins compounds in anti-tumor].

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Coumarins are a group of important natural compounds, and have been found to have multi-biological activities such as anti-HIV, anti-tumor, anti-hypertension, anti-arrhythmia, anti-osteoporosis, assuaging pain, preventing asthma and antisepsis. One of which is its anti-tumor effect and that is a

Cancer Hazard Identification Integrating Human Variability: The Case of Coumarin.

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Coumarin is a naturally occurring sweet-smelling benzopyrone that may be extracted from plants or synthesized for commercial uses. Its uses include as a flavoring agent, fragrance enhancer, and odor-masking additive. We reviewed and evaluated the scientific evidence on the carcinogenicity of

Attenuation of potassium bromate-induced nephrotoxicity by coumarin (1,2-benzopyrone) in Wistar rats: chemoprevention against free radical-mediated renal oxidative stress and tumor promotion response.

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We report the modulatory effect of coumarin (1,2-benzopyrone) on potassium bromate (KBrO(3)) mediated nephrotoxicity in Wistar rats. KBrO(3) (125 mg/kg body weight, i.p.) enhances gamma-glutamyl transpeptidase, renal lipid peroxidation, xanthine oxidase and hydrogen peroxide (H(2)O(2)) generation

Amelioration of ferric nitrilotriacetate (Fe-NTA) induced renal oxidative stress and tumor promotion response by coumarin (1,2-benzopyrone) in Wistar rats.

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In this study, we report the modulatory effect of coumarin (1,2-benzopyrone) on Ferric nitrilotriacetate (Fe-NTA) induced renal oxidative stress and tumor promotion response in rats. Fe-NTA (9 mg Fe/kg body weight, intraperitoneally) enhances renal lipid peroxidation, xanthine oxidase,

Chemical constituents of Calophyllum brasiliense. 2. Structure of three new coumarins and cancer chemopreventive activity of 4-substituted coumarins.

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Continuing our search for cancer chemopreventive agents from natural sources, we examined constituents of the stem bark of Calophyllum brasiliense. Three new 4-substituted coumarins named brasimarins A (2), B (3), and C (4) were isolated and characterized, along with 11 known coumarins belonging to

Sulfocoumarin-, Coumarin-, 4-Sulfamoylphenyl-Bearing Indazole-3-carboxamide Hybrids: Synthesis and Selective Inhibition of Tumor-Associated Carbonic Anhydrase Isozymes IX and XII.

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A series of sulfocoumarin-, coumarin-, and 4-sulfamoylphenyl-bearing indazole-3-carboxamide hybrids were synthesized and investigated as inhibitors of the human carbonic anhydrase (hCA, EC 4.2.1.1) isoforms I and II (cytosolic isozymes), as well as hCA IX and XII (transmembrane, tumor-associated

Anti-Tumor Study of H6, a 4-Substituted Coumarins Derivative, Loaded Biodegradable Self-Assembly Nano-Micelles In Vitro and In Vivo.

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In our previous study, we identified a class of 4-substituted coumarins as a powerful microtubule inhibitors binding to the colchicine site of β-tubulin. H6 showed potent anti-proliferative ability with IC₅₀ values from 7 to 47 nM, and remarkable ability to reduce tumor growth in

Triphenylethylene-Coumarin Hybrid TCH-5c Suppresses Tumorigenic Progression in Breast Cancer Mainly Through Its Inhibition of Angiogenesis.

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Coumarins are a wide group of naturally occurring compounds which exhibit a wide range of biological properties such as anti-cancer activities. Here, we characterized the biological functions of three triphenylethylene-coumarin hybrids (TCHs) both in cell culture and nude mouse

High in Vitro and in Vivo Tumor-Selective Novel Ruthenium(II) Complexes with 3-(2'-Benzimidazolyl)-7-fluoro-coumarin.

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Three novel Ru(II) complexes, namely, (RuCl₂[L^a][DMSO]₂)·H₂O (Ru1), (RuCl₂[L^b][DMSO]₂) (Ru2), and (RuCl₂[L^c][DMSO]₂) (Ru3), which respectively contain

Antitumour activity of coumarin in prostate and mammary cancer models.

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The antineoplastic and antimetastatic activities of coumarin were evaluated in transplanted prostate tumours of the rat. The growth of Noble Nb-R prostate tumours was strongly inhibited by coumarin (40 mg/kg; administered three times per week), whereas the hormonally more sensitive Dunning R3327-G

Effects of coumarin and 7OH-coumarin on bcl-2 and Bax expression in two human lung cancer cell lines in vitro.

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Coumarin and its derivative 7-hydroxycoumarin (7-OHC) have antitumor and antimetastatic properties. The purpose of this study was to investigate the possible effects of these compounds on expression of the bcl-2 and Bax oncoproteins in two human lung cancer cell lines, A427 and Calu-1. The cells

Evaluation of the antitumour activity of coumarin in prostate cancer models.

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Responses to coumarin have been reported for patients suffering from malignant melanoma, metastatic renal carcinoma and, recently, advanced prostate cancer. These data together with some experimental evidence for antiprostatic effect prompted us to study the activity of coumarin in various prostate

The anti-neoplastic effects of coumarin: an emerging concept.

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The recent article by Liu et al. provided for highly interesting reading. Interestingly, recent data suggests that coumarin may exert significant anti-neoplastic effects in a number of systemic malignancies. Coumarin is also of clinical benefit in mammary malignancies. For instance, it attenuates

Coumarin polycaprolactone polymeric nanoparticles: light and tumor microenvironment activated cocktail drug delivery.

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Highly sensitive hypoxia (H₂O₂)-activated photoresponsive polymeric nanoparticles for cocktail delivery of anticancer drugs doxorubicin (Dox) and chlorambucil (Cbl) were developed. The photoresponsive polymer conjugate was constructed by ring-opening polymerization (ROP) of

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