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https://www.readbyqxmd.com/read/30504817/sensitization-of-renal-carcinoma-cells-to-trail-induced-apoptosis-by-rocaglamide-and-analogs
#1
Ancy D Nalli, Lauren E Brown, Cheryl L Thomas, Thomas J Sayers, John A Porco, Curtis J Henrich
Rocaglamide has been reported to sensitize several cell types to TRAIL-induced apoptosis. In recent years, advances in synthetic techniques have led to generation of novel rocaglamide analogs. However, these have not been extensively analyzed as TRAIL sensitizers, particularly in TRAIL-resistant renal cell carcinoma cells. Evaluation of rocaglamide and analogs identified 29 compounds that are able to sensitize TRAIL-resistant ACHN cells to TRAIL-induced, caspase-dependent apoptosis with sub-µM potency which correlated with their potency as protein synthesis inhibitors and with loss of cFLIP protein in the same cells...
November 30, 2018: Scientific Reports
https://www.readbyqxmd.com/read/30468024/iridoid-derivatives-from-pedicularis-uliginosa-bunge-and-their-cytotoxic-activity
#2
Li-Fang Liu, Ming-Jun Yao, Man-Yu Li, Xiao-Zhen Wu, Cheng-Shan Yuan
Three new iridoids, (rel-4aS,7S,7aS)-1,4a,5,6,7,7a-hexahydro-7-hydroxyl-7-methyl-cyclopenta[c]pyran-4-carboxaldehyde (1), 1,3,5,6-tetrahydro-1-methoxyl-7-methyl-cyclopenta[c]pyran-4-carboxaldehyde (2), and (rel-1R,4S,4aS,7R,7aR)-7-methylhexahydro-1,4-(epoxymethano)cyclopenta[c]pyran-3(1H)-one(3), together with seven known analogues, were isolated from the 95% EtOH extract of the whole plant of Pedicularis uliginosa Bunge.Their structures were elucidated via their extensive NMR spectroscopy and mass spectral data...
November 23, 2018: Chemistry & Biodiversity
https://www.readbyqxmd.com/read/30463333/maritoclax-enhances-trail-induced-apoptosis-via-chop-mediated-upregulation-of-dr5-and-mir-708-mediated-downregulation-of-cflip
#3
Mi-Yeon Jeon, Kyoung-Jin Min, Seon Min Woo, Seung Un Seo, Yung Hyun Choi, Sang Hyun Kim, Dong Eun Kim, Tae-Jin Lee, Shin Kim, Jong-Wook Park, Taeg Kyu Kwon
Maritoclax, an active constituent isolated from marine bacteria, has been known to induce Mcl-1 downregulation through proteasomal degradation. In this study, we investigated the sensitizing effect of maritoclax on tumor necrosis factor-related apoptosis-inducing ligand (TRAIL)-induced apoptosis in human renal carcinoma cells. We found that combined treatment with maritoclax and TRAIL markedly induced apoptosis in renal carcinoma (Caki, ACHN and A498), lung cancer (A549) and hepatocellular carcinoma (SK-Hep1) cells...
November 20, 2018: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/30405774/knockdown-of-letm1-inhibits-proliferation-and-metastasis-of-human-renal-cell-carcinoma-cells
#4
Jie Xu, Bisheng Huang, Saiyang Li, Xiaolu Zhang, Tiancheng Xie, Yunfei Xu
The leucine zipper-EF-hand containing transmembrane protein 1 (LETM1) has been reported to serve an important role in a number of human malignancies and is correlated with poor prognosis. However, little is known about the role of LETM1 in renal cell carcinoma (RCC). In the present study, the expression levels of LETM1 were investigated in RCC cell lines (Caki-1, 786-O, OS-RC-2, A498 and ACHN) and the HK-2 normal human renal tubular epithelial cell line. Short interfering RNA (siRNA) was used to knock down the expression of LETM1 in 786-O and A498 cells...
November 2018: Oncology Letters
https://www.readbyqxmd.com/read/30373594/the-anticancer-mechanism-investigation-of-tanshinone-ii-a-by-pharmacological-clustering-in-protein-network
#5
Yan-Feng Cao, Shi-Feng Wang, Xi Li, Yan-Ling Zhang, Yan-Jiang Qiao
BACKGROUND: Cancer is the second most common cause of death globally. The anticancer effects of Tanshinone IIA (Tan IIA ) has been confirmed by numerous researches. However, the underlying mechanism remained to be integrated in systematic format. Systems biology embraced the complexity of cancer; therefore, a system study approach was proposed in the present study to explore the anticancer mechanism of Tan IIA based on network pharmacology. METHOD: Agilent Literature Search (ALS), a text-mining tool, was used to pull protein targets of Tan IIA ...
October 29, 2018: BMC Systems Biology
https://www.readbyqxmd.com/read/30369518/interleukin-6-induces-drug-resistance-in-renal-cell-carcinoma
#6
Kei Ishibashi, Tomoyuki Koguchi, Kanako Matsuoka, Akifumi Onagi, Ryo Tanji, Ruriko Takinami-Honda, Seiji Hoshi, Mitsutaka Onoda, Yoshimasa Kurimura, Junya Hata, Yuichi Sato, Masao Kataoka, Soichiro Ogawsa, Nobuhiro Haga, Yoshiyuki Kojima
Metastatic renal cell carcinoma (mRCC) is a tumor entity with poor prognosis due to limited therapy options. Tyrosine kinase inhibitors (TKIs), the novel targeted agents have been used for the treatment of mRCC and have shown efficacy. Interferon (IFN)-α is also one of the most frequently used agents in immunotherapy. However, drug resistance needs to be overcome to achieve a sufficiently positive effect. Interleukin-6 (IL-6), which induce suppressor of cytokine signaling-3 (SOCS3) expression, is one of the factors associated with poor prognosis of patients with renal cell carcinoma (RCC)...
October 23, 2018: Fukushima Journal of Medical Science
https://www.readbyqxmd.com/read/30367453/linc00961-restrains-cancer-progression-via-modulating-epithelial-mesenchymal-transition-in-renal-cell-carcinoma
#7
Dongming Chen, Meng Zhu, Huang Su, Jiexun Chen, Xianlin Xu, Changchun Cao
Recently, long noncoding RNA have been identified as new gene regulators and prognostic biomarkers in various cancers, including renal cell carcinoma (RCC). The expression and biological roles of LINC00961 have been reported in many human cancers. However, up to date, no study of LINC00961 has been shown in RCC. Currently, we aimed to investigate the function of LINC00961 in RCC progression. Interestingly, we observed that LINC00961 could act as a novel biomarker in predicting the diagnosis of RCC. Then, we found that LINC00961 was greatly downregulated in RCC cell lines (Caki-1, Caki-2, 786-O, A498, and ACHN cells) compared with normal renal cell lines (HK-2 cells)...
October 26, 2018: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/30365137/expression-and-epigenetic-regulatory-mechanism-of-bnip3-in-clear-cell-renal-cell-carcinoma
#8
Yanxiang Shao, Zhenhua Liu, Jianbang Liu, Haizhou Wang, Long Huang, Tianhai Lin, Jiyan Liu, Qiang Wei, Hao Zeng, Gu He, Xiang Li
The majority of clear cell renal cell carcinomas (ccRCCs) are caused by an accumulation of hypoxia‑inducible factor (HIF) and the overexpression of downstream genes in response to the von Hippel‑Lindau (VHL) gene becoming inactivated. In the present study, our hypothesis was that BNIP3, a gene positioned downstream of HIF, would be expressed at a higher level in ccRCC; however, instead, lower levels of BNIP3 expression were identified in RCC tumor tissues compared with adjacent non‑tumor tissues. These changes were associated with lower levels of VHL, and higher levels of HIF and vascular endothelial growth factor...
October 24, 2018: International Journal of Oncology
https://www.readbyqxmd.com/read/30337735/-chloroquine-inhibits-viability-of-renal-carcinoma-cells-and-enhances-sunitinib-induced-caspase-dependent-apoptosis
#9
J Sun, W D Song, S Y Yan, Z J Xi
OBJECTIVE: To determine whether chloroquine (CQ), an often used inhibitor of late autophagy and autophagosome/lyosome fusion, can inhibit proliferation of renal carcinoma cells and investigate its effect on sunitinib (ST)-induced apoptosis. METHODS: Renal carcinoma cell line 786 O and ACHN had been used as cellular model and 3-(4,5-dimethylthiazol-2-yl)-5-(3-carboxymethoxyphenyl)-2-(4-sulfophenyl)-2H-tetrazolium, inner salt (MTS) assay was carried out to detect the cell viability in response to CQ or ST treatment...
October 18, 2018: Beijing da Xue Xue Bao. Yi Xue Ban, Journal of Peking University. Health Sciences
https://www.readbyqxmd.com/read/30320376/microrna%C3%A2-222%C3%A2-3p-promotes-tumor-cell-migration-and-invasion-and-inhibits-apoptosis-and-is-correlated-with-an-unfavorable-prognosis-of-patients-with-renal-cell-carcinoma
#10
Liwen Zhao, Jing Quan, Zuwei Li, Xiang Pan, Jingyao Wang, Jinling Xu, Weijie Xu, Xin Guan, Hang Li, Shangqi Yang, Yaoting Gui, Yun Chen, Yongqing Lai
The aim of the present study was to investigate the role of microRNA (miR)‑222‑3p in renal cell carcinoma (RCC). The expression level of miR‑222‑3p was detected in RCC tissues and cell lines (ACHN, 786‑O, Caki‑1 and 769‑P) and was identified to be significantly upregulated compared with the level in adjacent normal renal tissues and HK‑2 cells. Further in vitro experiments demonstrated that the over-expression of miR‑222‑3p promoted the migration and invasion, and attenuated the apoptosis of 786‑O cells, whereas the knockdown of miR‑222‑3p suppressed the migration and invasion and induced the apoptosis of 786‑O cells...
October 15, 2018: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/30273566/salinomycin-suppresses-cancer-cell-stemness-and-attenuates-tgf-%C3%AE-induced-epithelial-mesenchymal-transition-of-renal-cell-carcinoma-cells
#11
Lei Liu, Qifei Wang, Jun Mao, Tao Qin, Yan Sun, Jinfeng Yang, Yanyan Han, Lianhong Li, Quanlin Li
Metastatic Renal cell carcinoma (RCC) remains a difficult oncologic challenge. Salinomycin is a monocarboxylic polyether antibiotic, which has been proved to possess anti-tumor activities in multiple types of cancer cells. However, its effects on RCC cells remains unclear. In our study, salinomycin could inhibit the proliferation and viability of RCC cell lines 786-O and ACHN. The TUNEL assay revealed that treatment with salinomycin induced DNA breaking in RCC cells. Consistently, Western blotting showed up-regulation of pro-apoptotic biomarkers (cleaved caspase3/9 and cleaved PARP1) and down-regulation of anti-apoptotic biomarker (survivin) in RCC cells after salinomycin treatment, suggesting that salinomycin could induce RCC cell apoptosis...
September 28, 2018: Chemico-biological Interactions
https://www.readbyqxmd.com/read/30259603/thymoquinone-inhibits-the-metastasis-of-renal-cell-cancer-cells-by-inducing-autophagy-via-ampk-mtor-signaling-pathway
#12
Yujiao Zhang, Yizeng Fan, Shangke Huang, Guanying Wang, Rui Han, Fuxi Lei, Anqi Luo, Xin Jing, Lin Zhao, Shanzhi Gu, Xinhan Zhao
Thymoquinone (TQ, 2-methyl-5-isopropyl-1,4-benzoquinone), a bioactive constituent extracted from the seeds of Nigella sativa, has been proved to exert anti-tumor efficiency in various cancers. Autophagy is a self-digestion phenomenon, and its role in tumor formation and progression remains controversial. In the present study, we investigated the effects of TQ on renal cell cancer (RCC) cell lines (786-O and ACHN) using wound healing assay, transwell assay and western blot analysis. We found that TQ effectively inhibited the metastatic capacity of RCC cells in vitro, which was also verified in a xenograft model...
September 27, 2018: Cancer Science
https://www.readbyqxmd.com/read/30257368/scutellarin-inhibits-human-renal-cancer-cell-proliferation-and-migration-via-upregulation-of-pten
#13
Wenting Deng, Wei Han, Tao Fan, Xiaoku Wang, Zhao Cheng, Bo Wan, Jinlian Chen
BACKGROUND: Scutellarin is a naturally flavone glycoside that has been shown to exhibit anti-proliferative and anti-apoptotic activities among various human malignancies. However, the anti-cancer effect of Scutellarin in Renal cell carcinoma (RCC) and the underlying mechanism remains unclear. METHODS AND MATERIALS: RCC cell lines ACHN and 786-O were treated with different concentrations (0-210 μM) of Scutellarin in vitro. Cell viability and proliferation were investigated by MTT and colony formation assays...
November 2018: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/30253887/development-of-13h-benzo-f-chromeno-4-3-b-1-7-naphthyridines-and-their-salts-as-potent-cytotoxic-agents-and-topoisomerase-i-ii%C3%AE-inhibitors
#14
Sateesh Kumar Arepalli, Chaerim Lee, Seongrak Sim, Kiho Lee, Hyunji Jo, Kyu-Yeon Jun, Youngjoo Kwon, Jong-Soon Kang, Jae-Kyung Jung, Heesoon Lee
A novel series of 35 angularly fused pentacyclic 13H-benzo[f]chromeno[4,3-b][1,7]naphthyridines and 13H-benzo[f]chromeno[4,3-b][1,7]naphthyridin-5-ium chlorides were designed and synthesized. Their cytotoxic activities were investigated against six human cancer cell lines (NCIH23, HCT15, NUGC-3, ACHN, PC-3, and MDA-MB-231). Among all screened compounds; 28, 30, 34, 35, 46, 48, 52, and 53 compounds exhibited potent cytotoxic activities against all tested human cancer cell lines. Further, these potent lead cytotoxic agents were evaluated against human Topoisomerase I and IIα inhibition...
September 18, 2018: Bioorganic & Medicinal Chemistry
https://www.readbyqxmd.com/read/30174515/anticancer-properties-of-semen-euphorbiae-towards-achn-human-renal-adenocarcinoma-cells-by-inducing-apoptosis
#15
Hua-Wen Cheng, Jian-Guang He, Wen-Yan He
The main objective of the present research work was to evaluate the antitumor effects of ethanol extract of Semen Euphorbiae (EESE) in ACHN human renal carcinoma cells. The effects on apoptosis induction, cell cycle phase distribution and livin protein expression were also evaluated. MTT assay was used to assess cytotoxic effects of the extract while as clonogenic assay was used to evaluate effects on colony formation tendency. Inverted phase contrast and fluorescence microscopic techniques were used to evaluate effects of EESE on cellular morphology and apoptosis...
September 2018: Saudi Journal of Biological Sciences
https://www.readbyqxmd.com/read/30167088/suppression-of-socs3-enhances-trail-induced-cell-growth-inhibition-through-the-upregulation-of-dr4-expression-in-renal-cell-carcinoma-cells
#16
Michihiro Yabe, Kei Ishibashi, Akifumi Onagi, Ryo Tanji, Ruriko Honda-Takinami, Tomoyuki Koguchi, Kanako Matsuoka, Seiji Hoshi, Junya Hata, Masao Kataoka, Soichiro Ogawa, Hiroyuki Hiraki, Nobuhiro Haga, Yoshiyuki Kojima
Background: Tumor necrosis factor-related apoptosis-inducing ligand (TRAIL) is a tumor-selective apoptosis inducer that is expressed in natural killer cells, whose cytotoxicity is activated by interferon (IFN). We investigated the effect of suppressor of cytokine signaling (SOCS) 3 on the expression of TRAIL receptors (DR4) and on TRAIL sensitivity in renal cell carcinoma (RCC) cells. Methods: Vector expression, RNA interference and IL-6 receptor antibody tocilizumab were used to investigate the functional role of SOCS3 in DR4 expression...
August 3, 2018: Oncotarget
https://www.readbyqxmd.com/read/30138594/oncogene-mir-154-5p-regulates-cellular-function-and-acts-as-a-molecular-marker-with-poor-prognosis-in-renal-cell-carcinoma
#17
Canbin Lin, Zuwei Li, Peijie Chen, Jing Quan, Xiang Pan, Liwen Zhao, Liang Zhou, Yulin Lai, Tao He, Weijie Xu, Jinling Xu, Xin Guan, Hang Li, Shangqi Yang, Yimin Hu, Yongqing Lai
AIMS: In adult population, the renal cell carcinoma (RCC) is one of the most common urological malignancies. It is meaningful to research for the molecular markers which are involved in the occurrence and development of RCC. Therefore, we concentrate on illuminating the role of microRNA-154-5p in progression of RCC and explore its prognostic values. MAIN METHODS: The real-time quantitative polymerase chain reaction (RT-qPCR) was applied to determine expression level of miR-154-5p in tissues...
September 15, 2018: Life Sciences
https://www.readbyqxmd.com/read/30132566/microrna%C3%A2-572-functions-as-an-oncogene-and-a-potential-biomarker-for-renal-cell-carcinoma-prognosis
#18
COMPARATIVE STUDY
Xiang Pan, Zuwei Li, Liwen Zhao, Jing Quan, Liang Zhou, Jinling Xu, Weiji Xu, Xin Guan, Hang Li, Shangqi Yang, Yaoting Gui, Yongqing Lai
Renal cell carcinoma (RCC) is the third most common urological malignancy in the USA and represents 2‑3% of all adult malignancies. Furthermore, the incidence of RCC has been progressively increasing over recent years. Although the morbidity of treatment has decreased with the use of multidisciplinary synthetic therapy, the prognosis of terminal cancer remains poor, with a 5‑year survival rate of 5‑10%. MicroRNAs (miRs) have been correlated with the regulation of 30‑60% of the protein-coding genes and act as oncogenes or anti‑oncogenes in RCC...
November 2018: Oncology Reports
https://www.readbyqxmd.com/read/30128000/bufalin-suppresses-the-proliferation-and-metastasis-of-renal-cell-carcinoma-by-inhibiting-the-pi3k-akt-mtor-signaling-pathway
#19
Jinlin Xie, Wenfeng Lin, Linglong Huang, Naijin Xu, Abai Xu, Binshen Chen, Masami Watanabe, Chunxiao Liu, Peng Huang
Bufalin, one of the active ingredients of the Chinese drug Chan su, exhibits significant antitumor activity against various cancer types. However, the role of bufalin in renal cell carcinoma (RCC) remains unclear. In the present study, it was demonstrated that bufalin inhibited cell proliferation, blocked the cell cycle in the G2/M phase, and reduced the metastasis of human RCC ACHN cells via the upregulation of p21waf/cip1 and E-cadherin and the downregulation of cyclin dependent kinase 1, cyclin B1, N-cadherin, and hypoxia-inducible factor-1α (HIF-1α)...
September 2018: Oncology Letters
https://www.readbyqxmd.com/read/30126067/polyphenols-from-brown-alga-padina-boergesenii-allendar-kraft-decelerates-renal-cancer-growth-involving-cell-cycle-arrest-and-induction-of-apoptosis-in-renal-carcinoma-cells
#20
Karthikeyan Rajamani, Somasundaram S Thirugnanasambandan
In our previous work, we assessed the ameliorative effect of crude extract from Padina boergesenii. In this report, we have extended these study by fractionating the methanol extract with methanol:ethylacetate (1:3,v/v) (MME-F) and assessed the cytotoxic effect of MME-F fraction in human renal carcinoma cell lines (A498 and ACHN). The fraction had time-and dose-dependent inhibition of cancer cell proliferation, migration with deceleration of cancer growth at EC50 -22.73 μg in A498 and 26.43 μg in ACHN cells...
November 2018: Environmental Toxicology
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