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Janovec L, Janočková J, Matejová M, Konkoľová E, Paulíková H, Lichancová D, Júnošová L, Hamuľaková S, Imrich J, Kožurková M. Proliferation inhibition of novel diphenylamine derivatives. Bioorg Chem 2019; 83:487-499. [DOI: 10.1016/j.bioorg.2018.10.063] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2018] [Revised: 10/19/2018] [Accepted: 10/29/2018] [Indexed: 11/24/2022]
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Cisáriková A, Barbieriková Z, Janovec L, Imrich J, Hunáková L, Bačová Z, Paulíková H. Acridin-3,6-dialkyldithiourea hydrochlorides as new photosensitizers for photodynamic therapy of mouse leukemia cells. Bioorg Med Chem 2016; 24:2011-22. [DOI: 10.1016/j.bmc.2016.03.029] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2015] [Revised: 02/20/2016] [Accepted: 03/16/2016] [Indexed: 10/22/2022]
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Abarikwu SO, Farombi EO. Atrazine induces apoptosis of SH-SY5Y human neuroblastoma cells via the regulation of Bax/Bcl-2 ratio and caspase-3-dependent pathway. PESTICIDE BIOCHEMISTRY AND PHYSIOLOGY 2015; 118:90-98. [PMID: 25752436 DOI: 10.1016/j.pestbp.2014.12.006] [Citation(s) in RCA: 39] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/27/2013] [Revised: 11/13/2014] [Accepted: 12/05/2014] [Indexed: 06/04/2023]
Abstract
Atrazine (ATZ) is a well known herbicide that is frequently detected in ground and surface water at significant levels. Our objective was to study the toxic effect of ATZ on the human neuroblastoma (SH-SY5Y) cells, and the degree of cytotoxicity and morphological changes were followed during the cell death. Application of cytotoxicity bioassays indicates that ATZ (5-50 µg/mL) decreases cell viability in a dose- and time-dependent manner. The evidence of apoptosis was confirmed by an increase in caspase-3 activity, and cell death was blocked when caspase-3 activity was inhibited. Typical apoptotic phenotype that includes nuclear fragmentation, micro nuclei formation, DNA fragmentation and increase in the expressions apoptosis-associated markers Bax, p53 and p21 and decreased expression of Bcl-2 were observed in treated cells. We also observed dose-dependent increase in reactive oxygen species (ROS) levels in ATZ-treated cells. These results suggest that ATZ-induces apoptosis and ROS levels in SH-SY5Y cells, and could be implicated in human neurodegenerative disorder.
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Affiliation(s)
- Sunny O Abarikwu
- Department of Biochemistry, University of Port Harcourt, Choba, Nigeria.
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Rambabu V, Suba S, Vijayakumar S. Antimicrobial and antiproliferative prospective of kosinostatin - a secondary metabolite isolated from Streptomyces sp. J Pharm Anal 2014; 5:378-382. [PMID: 29403952 PMCID: PMC5762245 DOI: 10.1016/j.jpha.2014.11.002] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2014] [Revised: 11/17/2014] [Accepted: 11/20/2014] [Indexed: 12/30/2022] Open
Abstract
Cancer is a communal health hazard worldwide. The present investigation attempts to evaluate antimicrobial and anticancer potential of kosinostatin on mammary carcinoma cell line (MCF-7). The anticancer and antiproliferative activities of kosinostatin were analyzed on MCF cell line by MTT assay and cytotoxicity assays like lactate dehydrogenase (LDH) and glutathione (GSH). The secondary metabolite kosinostatin exhibited its apoptotic nature by expressing p53 protein. Collectively, the results acquired from this study promise that kosinostatin shows the potent anticancer activity.
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Affiliation(s)
- Vinayagam Rambabu
- P.G. and Research Department of Botany and Microbiology, A.V.V.M. Sri Pushpam College (Autonomous), Poondi, Thanjavur, Tamil Nadu, India
| | | | - Suburamaniyan Vijayakumar
- P.G. and Research Department of Botany and Microbiology, A.V.V.M. Sri Pushpam College (Autonomous), Poondi, Thanjavur, Tamil Nadu, India
- Corresponding author. Tel.: +91 9003311921; fax: +91 4374239328.
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Rajamanick E, Gurudeeban S, Satyavani K, Ramanathan T. In vitro Anticancer Effect of Acanthus ilicifolius on Hepatocellular Carcinoma Cells. ASIAN JOURNAL OF BIOCHEMISTRY 2014. [DOI: 10.3923/ajb.2014.179.186] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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Rengarajan T, Nandakumar N, Rajendran P, Haribabu L, Nishigaki I, Balasubramanian MP. D-pinitol promotes apoptosis in MCF-7 cells via induction of p53 and Bax and inhibition of Bcl-2 and NF-κB. Asian Pac J Cancer Prev 2014; 15:1757-62. [PMID: 24641404 DOI: 10.7314/apjcp.2014.15.4.1757] [Citation(s) in RCA: 42] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2023] Open
Abstract
Development of drugs from natural products has been undergoing a gradual evoluation. Many plant derived compounds have excellent therapeutic potential against various human ailments. They are important sources especially for anticancer agents. A number of promising new agents are in clinical development based on their selective molecular targets in the field of oncology. D-pinitol is a naturally occurring compound derived from soy which has significant pharmacological activitites. Therefore we selected D-pinitol in order to evaluate apoptotic potential in the MCF-7 cell line. Human breast cancer cells were treated with different concentrations of D-pinitol and cytotoxicity was measured by MTT and LDH assays. The mechanism of apoptosis was studied with reference to expression of p53, Bcl-2, Bax and NF-kB proteins. The results revealed that D-pinitol significantly inhibited the proliferation of MCF-7 cells in a concentration-dependent manner, while upregulating the expression of p53, Bax and down regulating Bcl-2 and NF-kB. Thus the results obtained in this study clearly vindicated that D-pinitol induces apotosis in MCF-7 cells through regulation of proteins of pro- and anti-apoptotic cascades.
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Affiliation(s)
- Thamaraiselvan Rengarajan
- Department of Pharmacology and Environmental Toxicology, Dr. ALM PG Institute of Basic Medical Sciences, University of Madras, Chennai, India E-mail :
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Jagadeesan J, Langeswaran K, Gowthamkumar S, Balasubramanian MP. Diosgenin exhibits beneficial efficiency on human mammary carcinoma cell line MCF-7 and against N-nitroso-N-methylurea (NMU) induced experimental mammary carcinoma. ACTA ACUST UNITED AC 2013. [DOI: 10.1016/j.bionut.2013.06.009] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
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Langeswaran K, Gowthamkumar S, Vijayaprakash S, Revathy R, Balasubramanian MP. Influence of limonin on Wnt signalling molecule in HepG2 cell lines. J Nat Sci Biol Med 2013; 4:126-33. [PMID: 23633848 PMCID: PMC3633262 DOI: 10.4103/0976-9668.107276] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023] Open
Abstract
OBJECTIVE The role of limonin as potent anti carcinogenic, apoptosis and chemotherapeutic agents has been supported by limited studies. MATERIALS AND METHODS In this study, limonin is identified as a potent anti proliferative agent against human hepatoma HepG2 cells based on the cell viability study, LDH leakage assay. Induction of apoptosis in HepG2 cells by limonin was evidenced by western blot analysis of Bax, Cyclin D1, Caspase 3 and Caspase9. RESULTS Since Wnt signalling is involved in the initiation and sustaining of hepatocellular carcinoma we studied differential expression of LRP5, LRP6 and DKK wnt players. CONCLUSION Limonin found to down regulate these players which forms a rationale for further investigation on effect on limonin in cancer therapy.
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Affiliation(s)
- K Langeswaran
- Department of Industrial Biotechnology, Bharath University, Tambaram, India
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Quercetin decreases steroidogenic enzyme activity, NF-κB expression, and oxidative stress in cultured Leydig cells exposed to atrazine. Mol Cell Biochem 2012; 373:19-28. [DOI: 10.1007/s11010-012-1471-z] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2012] [Accepted: 09/26/2012] [Indexed: 12/06/2022]
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Paramasivam A, Raghunandhakumar S, Sambantham S, Anandan B, Rajiv R, Priyadharsini JV, Jayaraman G. In vitro anticancer and anti-angiogenic effects of thymoquinone in mouse neuroblastoma cells (Neuro-2a). ACTA ACUST UNITED AC 2012. [DOI: 10.1016/j.bionut.2012.04.004] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Nagaraj S, Rajaram M, Arulmurugan P, Baskaraboopathy A, Karuppasamy K, Jayappriyan K, Sundararaj R, Rengasamy R. Antiproliferative potential of astaxanthin-rich alga Haematococcus pluvialis Flotow on human hepatic cancer (HepG2) cell line. ACTA ACUST UNITED AC 2012. [DOI: 10.1016/j.bionut.2012.03.009] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
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Zhang Y, Wang Q, Wang T, Zhang H, Tian Y, Luo H, Yang S, Wang Y, Huang X. Inhibition of human gastric carcinoma cell growth in vitro by a polysaccharide from Aster tataricus. Int J Biol Macromol 2012; 51:509-13. [PMID: 22728055 DOI: 10.1016/j.ijbiomac.2012.06.019] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2012] [Revised: 06/07/2012] [Accepted: 06/12/2012] [Indexed: 11/25/2022]
Abstract
A water-soluble polysaccharide (WATP), with a molecular weight of 6.3 × 10⁴ Da, was isolated from Aster tataricus. According to gas chromatography (GC) analysis, WATP was composed of galactose, glucose, fucose, rhamnose, arabinose and mannose with molar ratios of 2.1:1.3:0.9:0.5:0.3:0.6. The effects of WATP on cell proliferation and apoptosis in human gastric cancer SGC-7901 cells were examined. MTT assay showed that WATP had a perfectly tumor growth inhibitory activity on SGC-7901 cells, but no cytotoxicity on SGC-7901 and primary human polymorphonuclear (PMN) cells analyzed using LDH assay. Flow cytometry analysis indicated that WATP could significantly induce apoptosis of SGC-7901 cells. Furthermore using Rh123 and Fluo-3 as fluorescent probes, respectively, it was found that mitochondrial transmembrane potential (ΔΨ(m)) of treatment groups was significantly lower than that in un-treatment group and the concentration of calcium in cells exposed to WATP for 24 h was increased in a dose dependent manner compared with unexposed group. These results suggest that WATP induces apoptosis of SGC-7901 cells through calcium- and ΔΨ(m)-dependent pathways, indicating that it is potentially useful as a natural anti-cancer agent.
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Affiliation(s)
- Yunxin Zhang
- Department of General Surgery, People's Hospital, Peking University, Beijing 100044, PR China
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Abarikwu SO, Pant AB, Farombi EO. The protective effects of quercetin on the cytotoxicity of atrazine on rat Sertoli-germ cell co-culture. ACTA ACUST UNITED AC 2012; 35:590-600. [PMID: 22372587 DOI: 10.1111/j.1365-2605.2011.01239.x] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
To evaluate the direct effect of atrazine (ATZ) and the protective effect of quercetin (QT) on testicular cells, we used primary cultures of rat Sertoli-germ cells (SGCs). ATZ (232 μm) up-regulated the mRNA expression of GATA-4, androgen receptor (AR), androgen-binding protein (ABP), steroidogenic acute regulatory protein (StAR), cytochrome P450 side-chain cleavage enzyme (CYP11A1), cyclooxygenase-2 (COX-2) and NF-κappaB (NF-κB) and down-regulated the expression of stem cell factor (SCF) mRNA. There was no change on the mRNA expression of oestrogen receptor-alpha (ER-α). Simultaneous supplementation of QT in the culture normalizes the expression of these genes. The stimulatory action of follicle stimulating hormone (10 ng/mL) on ATZ-induced StAR and CYP11A1 mRNA levels were also prevented by QT. Furthermore, ATZ-stimulatory action on AR mRNA was opposed in a dose-dependent manner in the presence of increasing concentrations of QT (10-50 μm).The dislodgement of germ cells from the Sertoli cells monolayer and decrease in SGCs viability was prevented by QT. To show whether or not the disrupted interactions of Sertoli and germ cells impaired spermatogenesis, adult male rats exposed in vivo to ATZ (50 mg/kg b.wt) for 1 week had their daily spermatozoa production (DSP) per gram testis lowered by 30%. DSP was significantly increased in the QT(10 mg/kg) + ATZ-treated rats as compared with the ATZ-treated rats. Taken together, ATZ can alter SGCs expression of spermatogenesis- and steroiodogenesis-related genes resulting in a decrease in sperm production in the testis as well as cell viability. QT might block these molecular events-induced by ATZ thereby protecting testicular Sertoli-germ cells from ATZ-induced toxicity.
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Affiliation(s)
- S O Abarikwu
- Department of Chemical Sciences, College of Natural Sciences, Redeemer's University, Redemption City, Ogun State, Nigeria.
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Abarikwu SO, Farombi EO, Kashyap MP, Pant AB. Kolaviron protects apoptotic cell death in PC12 cells exposed to Atrazine. Free Radic Res 2011; 45:1061-73. [DOI: 10.3109/10715762.2011.593177] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
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Natarajan N, Thamaraiselvan R, Lingaiah H, Srinivasan P, Maruthaiveeran Periyasamy B. Effect of flavonone hesperidin on the apoptosis of human mammary carcinoma cell line MCF-7. ACTA ACUST UNITED AC 2011. [DOI: 10.1016/j.bionut.2011.07.001] [Citation(s) in RCA: 42] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
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Kavitha D, Niranjali S. Inhibition of enteropathogenic Escherichia coli adhesion on host epithelial cells by Holarrhena antidysenterica (L.) WALL. Phytother Res 2011; 23:1229-36. [PMID: 19441013 DOI: 10.1002/ptr.2520] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Bacterial adhesion is the first step in the sequence of events leading to infection. Previous data are available on the effect of Holarrhena antidysenterica on antidiarrhoeal and antibacterial action, but there is little information on the mechanism of action of the various aspects of EPEC-induced diarrhoea, namely adherence and translocation of the effector molecule to intestinal epithelial cells. The aim of the present study was to investigate the effects of alkaloids of Holarrhena antidysenterica (AHA) on interference in the mechanism of enteropathogenic Escherichia coli (EPEC) adhesion on host epithelial cells (INT 407 and HEp2). To determine the impact of AHA on epithelial cells, cytotoxicity (LDH), adherence, apoptotic and ultrastructural studies were performed. To analyse the effect of AHA on EPEC secreted proteins, especially EspD, INT 407 monolayers were infected with EPEC and AHA-treated EPEC, followed by immunoblotting, probed with anti EspD antisera. The maximum percentage of LDH leakage was reduced in AHA-treated EPEC (400 microg/mL) in both cell lines. Reduced bacterial adherence was observed under light microscopy and altered apoptotic changes were visualized using propidium iodide staining in conjunction with fluorescence microscopy, in both cell lines infected with AHA-treated EPEC and these results were confirmed with transmission electron microscope images. The suppression of type III secretory proteins (TTSPs), EspD ( approximately 40 kDa), was detected in INT 407 cells infected with AHA-treated EPEC. In conclusion, AHA reduces initial bacterial adhesion to intact epithelial cells and it may exert an antiadherence effect against the pathogenesis of EPEC in host epithelial cells. Thus, the investigations provide a rational basis for the treatment of EPEC-mediated diarrhoea with AHA.
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Affiliation(s)
- D Kavitha
- Department of Biochemistry, University of Madras, Guindy campus, Chennai, India.
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Elango S, Balwas R, Padma VV. Gallic Acid Isolated from Pomegranate Peel Extract Induces Reactive Oxygen Species Mediated Apoptosis in A549 Cell Line. ACTA ACUST UNITED AC 2011. [DOI: 10.4236/jct.2011.25085] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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Chemopreventive effects of Peucedanum praeruptorum DUNN and its major constituents on SGC7901 gastric cancer cells. Molecules 2010; 15:8060-71. [PMID: 21063269 PMCID: PMC6259126 DOI: 10.3390/molecules15118060] [Citation(s) in RCA: 36] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2010] [Revised: 11/01/2010] [Accepted: 11/03/2010] [Indexed: 11/23/2022] Open
Abstract
In this study, the effects of Peucedanum praeruptorum DUNN methanolic extract (PPME) and its major constituents on SGC7901 human gastric cancer cells were evaluated. Two pyranocoumarins, namely, (±) praeruptorin A (PA) and (±) praeruptorin B (PB), were isolated from PPME. A high performance liquid chromatographic (HPLC) method was developed to determine the contents of PA and PB in PPME. The anti-proliferative and cytotoxic actions of PPME were observed using the 3-(4,5-dimethyl-thiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT) and release of lactate dehydrogenase (LDH) assays. At 300 μg/mL, PPME inhibited cell growth by 51.2% (P < 0.01), probably linked to the high concentration of PA and PB. Both PA and PB exhibited antiproliferative and cytotoxic activities on the SGC7901 cells. Furthermore, the active principle compound, PA, also enhanced the actions of doxorubincin (DOX) on SGC7901 cells. Cell growth decreased higher with the combined treatment of PA and DOX than that with the chemotherapy agent applied alone, suggesting that PA could reduce the dose of DOX for the desired effects.
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Sivalokanathan S, Vijayababu MR, Balasubramanian MP. Effects of Terminalia arjuna bark extract on apoptosis of human hepatoma cell line HepG2. World J Gastroenterol 2006; 12:1018-24. [PMID: 16534840 PMCID: PMC4087891 DOI: 10.3748/wjg.v12.i7.1018] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
AIM: To investigate the effects of Terminalia arjuna (T. arjuna) extract on human hepatoma cell line (HepG2) and its possible role in induction of apoptosis.
METHODS: Human hepatoma cells were treated with different concentrations of ethanolic extract of T. arjuna and its cytotoxicity effect was measured by trypan blue exclusion method and lactate dehydrogenase leakage assay. Apoptosis was analyzed by light and fluorescence microscopic methods, and DNA fragmentation. The mechanism of apoptosis was studied with expression of p53 and caspase-3 proteins. Glutathione (GSH) content was also measured in HepG2 cells after T. arjuna treatment.
RESULTS: T. arjuna inhibited the proliferation of HepG2 cells in a concentration-dependent manner. Apoptotic morphology was observed in HepG2 cells treated with T. arjuna at the concentrations of 60 and 100 mg/L. DNA fragmentation, accumulation of p53 and cleavage of procaspase-3 protein were observed in HepG2 cells after the treatment with T. arjuna. The depletion of GSH was observed in HepG2 cells treated with T. arjuna.
CONCLUSION: T. arjuna induced cytotoxicity in HepG2 cells in vitro. Apoptosis of HepG2 cells may be due to the DNA damage and expression of apoptotic proteins. Depletion of GSH may be involved in the induction of apoptosis of HepG2 cells.
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Affiliation(s)
- Sarveswaran Sivalokanathan
- Department of Pharmacology and Environmental Toxicology, Dr. ALM Post Graduate Institute of Basic Medical Sciences, University of Madras, Taramani Campus, Chennai-600 113, Tamil Nadu, India
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Jagadeeswaran R, Thirunavukkarasu C, Gunasekaran P, Ramamurty N, Sakthisekaran D. In vitro studies on the selective cytotoxic effect of crocetin and quercetin. Fitoterapia 2000; 71:395-9. [PMID: 10925010 DOI: 10.1016/s0367-326x(00)00138-6] [Citation(s) in RCA: 54] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
Crocetin (5-20 microg/ml), quercetin (10-40 microg/ml), and cisplatin (60-180 microg/ml) used as a positive control drug, were tested against human rhabdomyosarcoma (RD) cells and African green monkey kidney (Vero) cells. The cell viability, morphological changes, and lactate dehydrogenase activity were assessed. RD cell growth was found to be inhibited dose dependently by the three tested compounds. Morphological observation by phase contrast microscopy revealed that both crocetin and quercetin caused intense damage only on the malignant (RD) cells, whereas mild toxic effect was seen with cisplatin also on normal (Vero) cells.
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Affiliation(s)
- R Jagadeeswaran
- Department of Medical Biochemistry, Dr.A.L.M. PG Institute of Basic Medical Sciences, Taramani Campus, University of Madras, Chennai-600 113, India
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