scholarly journals Evaluation of pro-apoptotic potential of taxifolin against liver cancer

PeerJ ◽  
2021 ◽  
Vol 9 ◽  
pp. e11276
Author(s):  
Sania Safdar Butt ◽  
Khushbukhat Khan ◽  
Yasmin Badshah ◽  
Mehak Rafiq ◽  
Maria Shabbir
Keyword(s):  
Liver Cancer ◽  
Cell Lines ◽  
Anticancer Agents ◽  
Therapeutic Potential ◽  
Huh7 Cell ◽  
Dependent Manner ◽  
Dna Ladder ◽  
Cell Viability Assay ◽  
Migration Assay ◽  
In Silico Docking

Liver cancer is the second most common cause of cancer-induced deaths worldwide. Liver cirrhosis and cancer are a consequence of the abnormal angio-architecture formation of liver and formation of new blood vessels. This angiogenesis is driven by overexpression of hypoxia-inducible factor 1-alpha (Hif1-α) and vascular endothelial growth factor (VEGF). Apart from this, protein kinase B (Akt) is also impaired in liver cancer. Despite the advancement in conventional treatments, liver cancer remains largely incurable. Nowadays, the use of naturally occurring anticancer agents particularly flavonoids is subject to more attention due to their enhanced physicochemical properties. Therefore, this study underlines the use of a natural anticancer agent taxifolin in the treatment of liver cancer using hepatocellular carcinoma cell line HepG2 and Huh7. The aim of our study is to devise a natural and efficient solution for the disease prevalent in Pakistan. The study involved the assessment of binding of ligand taxifolin using molecular docking. The binding of taxifolin with the proteins (Hif1-α, VEGF and Akt) was calculated by docking using Vina and Chimera. Further evaluation was performed by cell viability assay (MTT 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT) Assay), colony formation assay, cell migration assay, DNA ladder assay and flow cytometry. To see whether taxifolin directly affected expression levels, analysis of gene expression of Hif1-α, VEGF and Akt was performed using real-time polymerase chain reaction (qPCR) and western blotting. In silico docking experiments revealed that these proteins showed favorable docking scores with taxifolin. Treatment with taxifolin resulted in the inhibition of the liver cancer growth and migration, and induced apoptosis in HepG2 and Huh7 cell lines at an inhibitory concentration (IC50) value of 0.15 µM and 0.22 µM, respectively. The expression of HIF1-α, VEGF and Akt was significantly reduced in a dose- dependent manner. The inhibitory effect of taxifolin on hepatic cells suggested its chemopreventive and therapeutic potential. The studied compound taxifolin exhibited pronounced pro-apoptotic and hepatoprotective potential. Our study has confirmed the pro-apoptotic potential of taxifolin in liver cancer cell lines and will pave a way to the use of taxifolin as a chemotherapeutic agent after its further validation on the animal models and humans based epidemiological studies.

scholarly journals Anticancer Potential of Biogenic Silver Nanoparticles: A Mechanistic Study

Pharmaceutics ◽  
2021 ◽  
Vol 13 (5) ◽  
pp. 707
Author(s):  
Mohd Shahnawaz Khan ◽  
Alya Alomari ◽  
Shams Tabrez ◽  
Iftekhar Hassan ◽  
Rizwan Wahab ◽  
...  
Keyword(s):  
Silver Nanoparticles ◽  
Cancer Cells ◽  
Cell Lines ◽  
Human Life ◽  
Mechanistic Study ◽  
Dependent Manner ◽  
Rt Pcr ◽  
Cell Viability Assay ◽  
Hct 116 ◽  
Mcf 7

The continuous loss of human life due to the paucity of effective drugs against different forms of cancer demands a better/noble therapeutic approach. One possible way could be the use of nanostructures-based treatment methods. In the current piece of work, we have synthesized silver nanoparticles (AgNPs) using plant (Heliotropiumbacciferum) extract using AgNO3 as starting materials. The size, shape, and structure of synthesized AgNPs were confirmed by various spectroscopy and microscopic techniques. The average size of biosynthesized AgNPs was found to be in the range of 15 nm. The anticancer potential of these AgNPs was evaluated by a battery of tests such as MTT, scratch, and comet assays in breast (MCF-7) and colorectal (HCT-116) cancer models. The toxicity of AgNPs towards cancer cells was confirmed by the expression pattern of apoptotic (p53, Bax, caspase-3) and antiapoptotic (BCl-2) genes by RT-PCR. The cell viability assay showed an IC50 value of 5.44 and 9.54 µg/mL for AgNPs in MCF-7 and HCT-116 cell lines respectively. We also observed cell migration inhibiting potential of AgNPs in a concentration-dependent manner in MCF-7 cell lines. A tremendous rise (150–250%) in the production of ROS was observed as a result of AgNPs treatment compared with control. Moreover, the RT-PCR results indicated the difference in expression levels of pro/antiapoptotic proteins in both cancer cells. All these results indicate that cell death observed by us is mediated by ROS production, which might have altered the cellular redox status. Collectively, we report the antimetastasis potential of biogenic synthesized AgNPs against breast and colorectal cancers. The biogenic synthesis of AgNPs seems to be a promising anticancer therapy with greater efficacy against the studied cell lines.

scholarly journals Drug-Like Small Molecule HSP27 Functional Inhibitor Sensitizes Lung Cancer Cells to Gefitinib or Cisplatin by Inducing Altered Cross-Linked Hsp27 Dimers

Pharmaceutics ◽  
2021 ◽  
Vol 13 (5) ◽  
pp. 630
Author(s):  
Hawon Yoo ◽  
Seul-Ki Choi ◽  
Jaeok Lee ◽  
So Hyeon Park ◽  
You Na Park ◽  
...  
Keyword(s):  
Lung Cancer ◽  
Drug Resistance ◽  
Cancer Cells ◽  
Cell Lines ◽  
Small Molecule ◽  
Anticancer Agents ◽  
Tumor Growth Inhibition ◽  
Dependent Manner ◽  
Hsp27 Expression ◽  
Cancer Aggressiveness

Relationships between heat shock protein 27 (HSP27) and cancer aggressiveness, metastasis, drug resistance, and poor patient outcomes in various cancer types including non-small cell lung cancer (NSCLC) were reported, and inhibition of HSP27 expression is suggested to be a possible strategy for cancer therapy. Unlike HSP90 or HSP70, HSP27 does not have an ATP-binding pocket, and no effective HSP27 inhibitors have been identified. Previously, NSCLC cancer cells were sensitized to radiation and chemotherapy when co-treated with small molecule HSP27 functional inhibitors such as zerumbone (ZER), SW15, and J2 that can induce abnormal cross-linked HSP27 dimer. In this study, cancer inhibition effects of NA49, a chromenone compound with better solubility, longer circulation time, and less toxicity than J2, were examined in combination with anticancer drugs such as cisplatin and gefitinib in NSCLC cell lines. When the cytotoxic drug cisplatin was treated in combination with NA49 in epidermal growth factor receptors (EGFRs) WT cell lines, sensitization was induced in an HSP27 expression-dependent manner. With gefitinib treatment, NA49 showed increased combination effects in both EGFR WT and Mut cell lines, also with HSP27 expression-dependent patterns. Moreover, NA49 induced sensitization in EGFR Mut cells with a secondary mutation of T790M when combined with gefitinib. Augmented tumor growth inhibition was shown with the combination of cisplatin or gefitinib and NA49 in nude mouse xenograft models. These results suggest the combination of HSP27 inhibitor NA49 and anticancer agents as a candidate for overcoming HSP27-mediated drug resistance in NSCLC patients.

scholarly journals In vitroAnticancer Evaluation of Saponins Obtained From Spirulina platensis on MDA, HepG2, and MCF7 Cell Lines

2019 ◽  
Vol 3 (4) ◽  
pp. 25-32
Author(s):  
Mahboobeh Akbarizare ◽  
Hamideh Ofoghi ◽  
Mahnaz Hadizadeh
Keyword(s):  
Cell Lines ◽  
Anticancer Agents ◽  
Spirulina Platensis ◽  
Dependent Manner ◽  
Cellular Viability ◽  
Breast Cancers ◽  
Anticancer Activities ◽  
Concentration Dependent Manner ◽  
Photosynthetic Microorganism ◽  
Mcf 7

Introduction: Microalgae are known for their bioactive compounds with potential applications as antimicrobial, antiaging, and anticancer activities. Spirulina platensis (S. platensis) is a filamentous and photosynthetic microorganism that has 25 kinds of vitamins and minerals that contain many compounds with biotic activity such as alkaloids, phenolic compounds, terpenoids, and saponins. Saponins are mainly present in plants; while there are few studies about their role in microalgae. This study aims to investigate the anticancer potential of extracted saponins from S. platensis. Methods: Saponins were extracted; using distilled water and n-butanol. The total extracted saponin was dried and weighed. The cellular viability of HepG2, MCF-7, and MDA- MB-123 cell lines was evaluated; using MTT assay after 24 h treatment with 0.02-2 mg/ ml of saponins extracted from S. platensis. Morphology of cell lines was evaluated by invert microscopy. Results: Total saponin extracted from S. platensis was estimated at 28±0.0005 mg/g dry wt. Thin-layer chromatography profiles showed four bands for saponins with Rf values of 0.44, 0.48, 0.50, and 0.55. The cytotoxic activity after 24 h treatment with 0.02-2 mg/ml of saponins was a concentration-dependent manner. The highest toxicity of saponins with IC50=0.22 mg/ml was observed in MDA-MB-123 cells. In HepG2 and MCF-7 cells IC50 value was obtained in 0.35 mg/ml and 0.4 mg/ml, respectively. Conclusions: This is the first report to evaluate the anticancer effects of saponins from S. platensis in liver and breast cancers. The result showed that saponins from Spirulina decrease cancer cellular viability. Therefore, these compounds can be a candidate for anticancer agents.

scholarly journals Synthesis and In Vitro Photocytotoxicity of 9-/13-Lipophilic Substituted Berberine Derivatives as Potential Anticancer Agents

Molecules ◽  
2020 ◽  
Vol 25 (3) ◽  
pp. 677 ◽  
Author(s):  
Hong-Jhih Lin ◽  
Jinn-Hsuan Ho ◽  
Li-Chen Tsai ◽  
Fang-Yu Yang ◽  
Ling-Ling Yang ◽  
...  
Keyword(s):  
Liver Cancer ◽  
Cell Lines ◽  
Cancer Cell ◽  
Hepg2 Cells ◽  
Human Cancer ◽  
Cancer Cell Lines ◽  
Dependent Manner ◽  
Human Cancer Cell ◽  
Human Cancer Cell Lines ◽  
Berberine Derivatives

The objective of this study was to synthesize the 9-/13-position substituted berberine derivatives and evaluate their cytotoxic and photocytotoxic effects against three human cancer cell lines. Among all the synthesized compounds, 9-O-dodecyl- (5e), 13-dodecyl- (6e), and 13-O-dodecyl-berberine (7e) exhibited stronger growth inhibition against three human cancer cell lines, (HepG2, HT-29 and BFTC905), in comparison with structurally related berberine (1). These three compounds also showed the photocytotoxicity in human cancer cells in a concentration-dependent and light dose-dependent manner. Through flow cytometry analysis, we found out a lipophilic group at the 9-/13-position of berberine may have facilitated its penetration into test cells and hence enhanced its photocytotoxicity on the human liver cancer cell HepG2. Further, in cell cycle analysis, 5e, 6e, and 7e induced HepG2 cells to arrest at the S phase and caused apoptosis upon irradiation. In addition, photodynamic treatment of berberine derivatives 5e, 6e, and 7e again showed a significant photocytotoxic effects on HepG2 cells, induced remarkable cell apoptosis, greatly increased intracellular ROS level, and the loss of mitochondrial membrane potential. These results over and again confirmed that berberine derivatives 5e, 6e, and 7e greatly enhanced photocytotoxicity. Taken together, the test data led us to conclude that berberine derivatives with a dodecyl group at the 9-/13-position could be great candidates for the anti-liver cancer medicines developments.

scholarly journals IN VITRO GROWTH INHIBITORY EFFECT OF ZnO NANOPARTICLES ON HUMAN LIVER CANCER CELL LINES (Huh7)

2019 ◽  
pp. 191-193
Author(s):  
ANANTHALAKSHMI R ◽  
XAVIER RAJARATHINAM SR ◽  
Mohamed Sadiq A ◽  
MOHAMED SADIQ A
Keyword(s):  
Liver Cancer ◽  
Cell Lines ◽  
Cancer Cell ◽  
Zno Nanoparticles ◽  
Huh7 Cell ◽  
Cancer Cell Lines ◽  
Inhibitory Effect ◽  
Liver Cancer Cell ◽  
Zno Nps

Objective: The objective of the study was to access the anticancer activity of the biosynthesized ZnO nanoparticles against Huh7 liver cancer cell lines. Methods: The study was carried in vitro using Huh7 cell lines. The ZnO nanoparticles (ZnO NPs) were synthesized using Luffa acutangula peel extract and subjected to characterization by X-ray powder diffraction and transmission electron microscopy. The Huh7 cell lines were treated with ZnO NPs and done 3-(4, 5-dimethylthiazol- 2-yl)-2, 5-diphenyltetrazolium bromide assay. For live and dead assay, the cell lines treated with ZnO NPs were subjected to acridine orange/ethidium (AO/ET) bromide assay. Results: The ZnO NPs synthesized show spherical structure with 10–20 nm size. The 50% of Huh7 proliferation were inhibited at the concentration (IC50) of 40 μg/ml. The AO/ET assay shows compact nucleus and fine cytoplasmic morphology in control cells and apoptotic stage in treated cells Conclusion: This study suggests that ZnO NPs can be prepared in environment-friendly method using aqueous extract of L. acutangula and can be used in cancer treatment effectively.

Combination of a Spicamycin Analogue KRN5500 and Chemotherapeutic Agents Synergistically Enhances Their Cytotoxicity in Human Myeloma Cells.

Blood ◽  
2007 ◽  
Vol 110 (11) ◽  
pp. 4783-4783
Author(s):  
Hirokazu Miki ◽  
Shuji Ozaki ◽  
Osamu Tanaka ◽  
Shiro Fujii ◽  
Shingen Nakamura ◽  
...  
Keyword(s):  
Drug Resistance ◽  
Cell Growth ◽  
Cell Lines ◽  
Therapeutic Potential ◽  
Flow Cytometric Analysis ◽  
Human Tumor ◽  
Chemotherapeutic Agents ◽  
Dependent Manner ◽  
Induced Apoptosis ◽  
Rpmi 8226

Abstract Multiple myeloma (MM) is a plasma cell malignancy characterized by the accumulation of neoplastic plasma cells in the bone marrow. Although new classes of agents such as thalidomide, lenalidomide, and bortezomib have shown marked anti-MM activity in clinical settings, MM remains an incurable disease due to increased resistance to these agents. Therefore, alternative approaches are necessary to overcome drug resistance in MM. KRN5500 is a new derivative of spicamycin produced by Streptomyces alanosinicus (Kirin Pharma, Tokyo, Japan). This drug potently decreases protein synthesis and inhibits cell growth in human tumor cell lines both in vitro and in vivo. Several phase I studies of KRN5500 were conducted in patients with solid tumors, which showed Cmax values of 1000–3000 nM at the maximum tolerated doses. However, no objective anti-tumor response to KRN5500 alone was observed in these patients. In this study, we examined the anti-tumor activity of KRN5500 against MM cells and evaluated its therapeutic potential in combination with other anti-MM agents. MM cell lines and freshly-isolated MM cells were incubated with various concentrations of KRN5500 for 24 hours. Cell proliferation assay showed marked inhibition of cell growth in MM cells such as RPMI 8226, KMS12-BM, and UTMC-2 (IC50 = 10–40 nM), and U266, MM.1S, and primary MM cells (IC50 = 500–1000 nM). Importantly, a chemotherapy-resistant subclone of RPMI 8226 had a similar sensitivity to KRN5500. Annexin V/propidium iodide staining confirmed that KRN5500 induced apoptosis of MM cells in a dose- and time-dependent manner. Moreover, cleavage of poly (ADP-ribose) polymerase (PARP) was detected after 24 hours with only modest activation of caspase-8, -9, and -3 by immunoblotting. Flow cytometric analysis of anti-apoptotic proteins revealed that apoptosis induced by KRN5500 was associated with down-regulation of Mcl-1 and Bcl-2 expression. To determine the effect of KRN5500 on the unfolded protein response (UPR), splicing of XBP-1 mRNA was analyzed by reverse transcription-polymerase chain reaction. In response to stimulation with KRN5500, splicing of XBP-1 mRNA occurred after 24 hours in RPMI 8226 cells, suggesting that KRN5500-induced apoptosis is mediated in part by the inhibition of UPR. Furthermore, synergistic effects on MM cells were observed when KRN5500 was combined with anti-MM agents including melphalan, dexamethasone, and bortezomib. These results suggest that KRN5500 induces apoptosis in MM cells mainly by the caspase-independent pathway and that its unique mechanism of action provides a valuable therapeutic option to overcome drug resistance in patients with MM.

scholarly journals Synthesis and In Silico Docking of New Pyrazolo[4,3-e]pyrido[1,2-a]pyrimidine-based Cytotoxic Agents

2021 ◽  
Vol 22 (19) ◽  
pp. 10258
Author(s):  
Mabrouk Horchani ◽  
Niels V. Heise ◽  
Sophie Hoenke ◽  
René Csuk ◽  
Abdel Halim Harrath ◽  
...  
Keyword(s):  
Cell Lines ◽  
Anticancer Agents ◽  
In Silico ◽  
Human Tumor ◽  
In Vitro Cytotoxicity ◽  
Cytotoxic Agents ◽  
Hek293 Cells ◽  
Binding Interaction ◽  
In Silico Docking

To explore a new set of anticancer agents, a novel series of pyrazolo[4,3-e]pyrido[1,2-a]pyrimidine derivativeshave been designed and synthesized viacyclocondensation reactions of pyrazolo-enaminone with a series of arylidenemalononitriles; compound 5 was obtained from 5-amino-4-cyanopyrazole. The structures of the target compounds were investigated by spectral techniques and elemental analysis (IR, UV–Vis, 1H NMR, 13C NMR and ESI-MS). All compounds were evaluated for their in vitro cytotoxicity employing a panel of different human tumor cell lines, A375, HT29, MCF7, A2780, FaDu as well as non-malignant NIH 3T3 and HEK293 cells. It has been found that the pyrazolo-pyrido-pyrimidine analog bearing a 4-Br-phenyl moiety was the most active toward many cell lines with EC50 values ranging between 9.1 and 13.5 µM. Moreover, in silico docking studies of the latter with six anticancer drug targets, i.e., DHFR, VEGFR2, HER-2/neu, hCA-IX, CDK6 and LOX5, were also performed, in order to gain some insights into their putative mode of binding interaction and to estimate the free binding energy of this bioactive molecule.

scholarly journals Synthesis and In Silico Docking of New Pyrazolo[4,3-e]Pyrido[1,2-a]Pyrimidine-Based Cytotoxic Agents

2021 ◽  
Author(s):  
Mabrouk Horchani ◽  
Niels V. Heise ◽  
Sophie Hoenke ◽  
Rene Csuk ◽  
Abdel Halim Harrath ◽  
...  
Keyword(s):  
Cell Lines ◽  
Anticancer Agents ◽  
In Silico ◽  
Human Tumor ◽  
In Vitro Cytotoxicity ◽  
Cytotoxic Agents ◽  
Hek293 Cells ◽  
Binding Interaction ◽  
In Silico Docking

To explore a new set of anticancer agents, a novel series of pyrazolo[4,3-e]pyrido[1,2-a]pyrimidine derivatives 7a-l have been designed and synthesized via cyclocondensation reactions of pyrazolo-enaminone 5 with a series of arylidene malononitriles; compound 5 was obtained from 5-amino-4-cyanopyrazole (3). The structures of the target compounds 7a-l were investigated by spectral techniques and elemental analysis (IR, UV-Vis, 1H NMR, 13C NMR and ESI-MS). All compounds were evaluated for their in vitro cytotoxicity employing a panel of different human tumor cell lines, A375, HT29, MCF7, A2780, FaDu as well as non-malignant NIH 3T3 and HEK293 cells. It has been found that the conjugate 7e was the most active towards many cell lines with EC50 values ranging between 9.1 and 13.5 µM, respectively. Moreover, in silico docking studies of 7e with six anticancer drug targets, i.e. DHFR, VEGFR2, HER-2/neu, hCA-IX, CDK6 and LOX also was performed, in order to gain some insights into their putative mode of binding interaction and to estimate the free binding energy of this bioactive molecule.

scholarly journals Restoring HOXD10 Exhibits Therapeutic Potential for Ameliorating Malignant Progression and 5-Fluorouracil Resistance in Colorectal Cancer

2021 ◽  
Vol 11 ◽  
Author(s):  
Weijie Pan ◽  
Kaijing Wang ◽  
Jiayong Li ◽  
Hanhua Li ◽  
Yuchan Cai ◽  
...  
Keyword(s):  
Colorectal Cancer ◽  
Cell Lines ◽  
Therapeutic Potential ◽  
Methylation Status ◽  
Suppressor Gene ◽  
Resistant Cell ◽  
The Cancer Genome Atlas ◽  
Migration And Invasion ◽  
Dependent Manner ◽  
Normal Tissues

Emerging evidence suggests that hypermethylation of HOXD10 plays an important role in human cancers. However, the biological and clinical impacts of HOXD10 overmethylation and its downstream targets in colorectal cancer remain unknown. We evaluated the methylation level of HOXD10 in paired cancer and normal tissues (n = 42) by using pyrosequencing, followed by validation of the methylation status of HOXD10 from The Cancer Genome Atlas (TCGA) datasets with 302 cancer tissues and 38 normal tissues. The biological function of HOXD10 was characterized in cell lines. We further evaluated the effects of HOXD10 and its targets on chemoresistance in our established resistant cell lines and clinical cohort (n = 66). HOXD10 was found frequently methylated in colorectal cancer, and its hypermethylation correlates with its low expression level, advanced disease, and lymph node metastasis. Functionally, HOXD10 acts as a tumor suppressor gene, in which HOXD10-expressing cells showed suppressed cell proliferation, colony formation ability, and migration and invasion capacity. Mechanistically, DNMT1, DNMT3B, and MeCP2 were recruited in the HOXD10 promoter, and demethylation by 5-Aza-2′-deoxycytidine (5-Aza-CdR) treatment or MeCP2 knockdown can sufficiently induce HOXD10 expression. HOXD10 regulates the expressions of miR-7 and IGFBP3 in a promoter-dependent manner. Restoration of the expression of HOXD10 in 5-fluorouracil (5-FU)-resistant cells significantly upregulates the expressions of miR-7 and IGFBP3 and enhances chemosensitivity to 5-FU. In conclusion, we provide novel evidence that HOXD10 is frequently methylated, silenced, and contributes to the development of colorectal cancers. Restoration of HOXD10 activates the expressions of miR-7 and IGFBP3 and results in an inhibited phenotype biologically, suggesting its potential therapeutic relevance in colorectal cancer (CRC).

Synthesis and Evaluation of a Series of 1,3,4-Thiadiazole Derivatives as Potential Anticancer Agents

2019 ◽  
Vol 18 (11) ◽  
pp. 1606-1616 ◽  
Author(s):  
Mehlika D. Altıntop ◽  
Belgin Sever ◽  
Ahmet Özdemir ◽  
Sinem Ilgın ◽  
Özlem Atlı ◽  
...  
Keyword(s):  
Dna Synthesis ◽  
Cell Line ◽  
Hepg2 Cell ◽  
Cell Lines ◽  
Anticancer Agents ◽  
In Vitro Assays ◽  
Breast Adenocarcinoma ◽  
Dependent Manner ◽  
Hepg2 Cell Lines ◽  
Mcf 7

Background and Methods: In an attempt to develop potent antitumor agents, the synthesis of a series of N-(6-substituted benzothiazol-2-yl)-2-[(5-(arylamino)-1,3,4-thiadiazol-2-yl)thio]acetamides (1-14) was described and their cytotoxic effects on A549 human lung adenocarcinoma, MCF-7 human breast adenocarcinoma, HepG2 human hepatocellular carcinoma and NIH/3T3 mouse embryonic fibroblast cell lines were investigated using MTT assay. <p> Results: Phenyl-substituted compounds (8-14) were found to be more effective than naphthyl-substituted compounds (1-7) on cancer cells. Compounds 8, 9, 10, 12, 13 and 14 were identified as the most potent anticancer agents on MCF-7 and HepG2 cell lines and therefore their effects on DNA synthesis and apoptosis/necrosis in MCF-7 cell line were evaluated. Among these compounds, N-(6-methoxybenzothiazol-2-yl)-2-[(5- (phenylamino)-1,3,4-thiadiazol-2-yl)thio]acetamide (13) was the most selective anticancer agent against MCF-7 and HepG2 cell lines with a SI value of 100. On the other hand, compounds 8, 9, 10, 12, 13 and 14 inhibited DNA synthesis in MCF-7 cell line in a dose-dependent manner. Flow cytometric analyses clearly indicated that the compounds showed significant anticancer activity against MCF-7 cell line via the induction of apoptosis dose dependently. <p> Conclusion: According to in vitro assays, compounds 8, 9, 10, 12, 13 and 14 stand out as promising candidates for further studies.

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