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Cancer AND apoptosis

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https://www.readbyqxmd.com/read/28806703/nox4-mediated-ros-production-induces-apoptotic-cell-death-via-down-regulation-of-c-flip-and-mcl-1-expression-in-combined-treatment-with-thioridazine-and-curcumin
#1
Seung Un Seo, Tae Hwan Kim, Dong Eun Kim, Kyoung-Jin Min, Taeg Kyu Kwon
Thioridazine is known to have anti-tumor effects by inhibiting PI3K/Akt signaling, which is an important signaling pathway in cell survival. However, thioridazine alone does not induce apoptosis in head and neck squamous cell carcinoma (AMC-HN4), human breast carcinoma (MDA-MB231), and human glioma (U87MG) cells. Therefore, we investigated whether combined treatment with thioridazine and curcumin induces apoptosis. Combined treatment with thioridazine and curcumin markedly induced apoptosis in cancer cells without inducing apoptosis in human normal mesangial cells and human normal umbilical vein cells (EA...
August 9, 2017: Redox Biology
https://www.readbyqxmd.com/read/28806666/doxorubicin-loaded-environmentally-friendly-carbon-dots-as-a-novel-drug-delivery-system-for-nucleus-targeted-cancer-therapy
#2
Yifang Yuan, Bin Guo, Liying Hao, Na Liu, Yunfeng Lin, Wushuang Guo, Xiaoguang Li, Bin Gu
Chemotherapy is widely applied against various kinds of carcinoma. Generally, chemotherapeutic agents, such as Doxorubicin (DOX), Paclitaxel (PTX), 5-Fluorouracil (5-FU), Methotrexate (MTX), and Vinblastine (VLB) are combined with a view to maximizing their efficacy. Unfortunately, chemotherapeutics are indiscriminate and also kill normal healthy cells, resulting in serious side effects. This non-productive and destructive distribution of chemotherapeutics is regarded as one of the largest problems associated with chemotherapy...
July 10, 2017: Colloids and Surfaces. B, Biointerfaces
https://www.readbyqxmd.com/read/28805820/prostate-cancer-associated-spop-mutations-confer-resistance-to-bet-inhibitors-through-stabilization-of-brd4
#3
Xiangpeng Dai, Wenjian Gan, Xiaoning Li, Shangqian Wang, Wei Zhang, Ling Huang, Shengwu Liu, Qing Zhong, Jianping Guo, Jinfang Zhang, Ting Chen, Kouhei Shimizu, Francisco Beca, Mirjam Blattner, Divya Vasudevan, Dennis L Buckley, Jun Qi, Lorenz Buser, Pengda Liu, Hiroyuki Inuzuka, Andrew H Beck, Liewei Wang, Peter J Wild, Levi A Garraway, Mark A Rubin, Christopher E Barbieri, Kwok-Kin Wong, Senthil K Muthuswamy, Jiaoti Huang, Yu Chen, James E Bradner, Wenyi Wei
The bromodomain and extraterminal (BET) family of proteins comprises four members-BRD2, BRD3, BRD4 and the testis-specific isoform BRDT-that largely function as transcriptional coactivators and play critical roles in various cellular processes, including the cell cycle, apoptosis, migration and invasion. BET proteins enhance the oncogenic functions of major cancer drivers by elevating the expression of these drivers, such as c-Myc in leukemia, or by promoting the transcriptional activities of oncogenic factors, such as AR and ERG in prostate cancer...
August 14, 2017: Nature Medicine
https://www.readbyqxmd.com/read/28805696/licochalcone-a-inhibits-the-proliferation-of-human-lung-cancer-cell-lines-a549-and-h460-by-inducing-g2-m-cell-cycle-arrest-and-er-stress
#4
Chenyu Qiu, Tingting Zhang, Wenxin Zhang, Lina Zhou, Bin Yu, Wei Wang, Zhihong Yang, Zhiguo Liu, Peng Zou, Guang Liang
Licochalcone A (LicA), a flavonoid isolated from the famous Chinese medicinal herb Glycyrrhiza uralensis Fisch, has wide spectrum of pharmacological activities. In this study, the anti-cancer effects and potential mechanisms of LicA in non-small cell lung cancer (NSCLC) cells were studied. LicA decreased cell viability and induced apoptosis in a dose-dependent manner in NSCLC cells. LicA inhibited lung cancer cells growth by blocking cell cycle progression at the G2/M transition and inducing apoptosis. LicA treatment decreased the expression of MDM2, Cyclin B1, Cdc2 and Cdc25C in H460 and A549 cancer cell lines...
August 12, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28805509/enhanced-cell-killing-and-apoptosis-of-oral-squamous-cell-carcinoma-cells-with-ultrasound-in-combination-with-cetuximab-coated-albumin-microbubbles
#5
Kyoichi Narihira, Akiko Watanabe, Hong Sheng, Hitomi Endo, Loreto B Feril, Yutaka Irie, Koichi Ogawa, Seyedeh Moosavi-Nejad, Seiji Kondo, Toshihiro Kikuta, Katsuro Tachibana
Targeted microbubbles has the potential to be used for ultrasound (US) therapy and diagnosis of various cancers. In the present study, US was irradiated to oral squamous cell carcinoma cells (HSC-2) in the presence of cetuximab coated albumin microbubbles (CCAM). Cell killing rate with ultrasound treatment at 0.9W/cm(2) and 1.0W/cm(2) in the presence of CCAM was greater compared to non-targeted albumin microbubbles (p < 0.05). On the other hand, selective cell killing was not observed in human myelomonocytic lymphoma cell line (U937) that had no affinity to cetuximab...
August 14, 2017: Journal of Drug Targeting
https://www.readbyqxmd.com/read/28805349/crispr-assisted-receptor-deletion-reveals-distinct-roles-for-erbb2-and-erbb3-in-skin-keratinocytes
#6
Maik Dahlhoff, Nadege Gaborit, Sebastian Bultmann, Heinrich Leonhardt, Yosef Yarden, Marlon R Schneider
While the epidermal growth factor receptor (EGFR) is an established regulator of skin development and homeostasis, the functions of the related tyrosine kinase receptors ERBB2 and ERBB3 in this tissue have only recently been examined. Previously reported, skin-specific deletion of each of these receptors in mice resulted in similar defects in keratinocyte proliferation and migration, resulting in impaired wound healing and tumorigenesis. Because both ERBB2 and ERBB3 are targets for treating an array of cancer types, it is important to examine the consequences of receptor inhibition in human keratinocytes...
August 14, 2017: FEBS Journal
https://www.readbyqxmd.com/read/28805013/drug-free-macromolecular-therapeutics-induce-apoptosis-via-calcium-influx-and-mitochondrial-signaling-pathway
#7
Lian Li, Jiyuan Yang, Jiawei Wang, Jindřich Kopeček
Recently, an innovative paradigm has been proposed in macromolecular therapeutics for treatment of B-cell lymphomas that can specifically kill cancer cells without a drug. The design rationale of this drug-free macromolecular therapeutic (DFMT) system is crosslinking the cell surface receptor to initiate apoptosis. However, how the apoptosis signal is triggered after receptor hyper-crosslinking remains to be elucidated. Here, two pathways, calcium influx dependent pathway and mitochondrial signal pathway, are identified to play major roles in triggering the programmed cell death...
August 14, 2017: Macromolecular Bioscience
https://www.readbyqxmd.com/read/28804784/birinapant-sensitizes-platinum-resistant-carcinomas-with-high-levels-of-ciap-to-carboplatin-therapy
#8
V La, R Fujikawa, D M Janzen, M Nunez, L Bainvoll, L Hwang, K Faull, G Lawson, S Memarzadeh
Platinum drugs are the frontline therapy in many carcinomas, including high-grade serous ovarian cancers. Clinically, high-grade serous carcinomas have an apparent complete response to carboplatin, but tumors invariably recur and response to platinum drugs diminishes over time. Standard of care prohibits re-administration of platinum drugs to these patients who are labeled as having platinum-resistant disease. In this stage patients are treated with non-platinum agents and outcomes are often poor. In vivo and in vitro data presented here demonstrate that this clinical dogma should be challenged...
2017: NPJ Precis Oncol
https://www.readbyqxmd.com/read/28804691/combination-of-celecoxib-celebrex-%C3%A2-and-cd19-car-redirected-ctl-immunotherapy-for-the-treatment-of-b-cell-non-hodgkin-s-lymphomas
#9
REVIEW
Tam Nm Dinh, Alexandra S Onea, Ali R Jazirehi
The nonsteroidal anti-inflammatory drug (NSAID) Celecoxib (Celebrex(®)) received Food and Drug Administration (FDA) approval in 1998 for treatment of osteoarthritis and rheumatoid arthritis, and in recent years, its use has been extended to various types of malignancies, such as breast, colon, and urinary cancers. To maintain the survival of malignant B cells, non-Hodgkin's Lymphoma (NHL) is highly dependent on inflammatory microenvironment, and is inhibited by celecoxib. Celecoxib hinders tumor growth interacting with various apoptotic genes, such as cyclooxygenase-2 (Cox-2), B-cell lymphoma 2 (Bcl-2) family, phosphor-inositide-3 kinase/serine-threonine-specific protein kinase (PI3K/Akt), and inhibitors of apoptosis proteins (IAP) family...
2017: American Journal of Clinical and Experimental Immunology
https://www.readbyqxmd.com/read/28804605/up-regulation-of-mir-21-decreases-chemotherapeutic-effect-of-dendrosomal-curcumin-in-breast-cancer-cells
#10
Mohammad Javad Dehghan Esmatabadi, Baharak Farhangi, Maryam Montazeri, Hamideh Monfared, Roohollah Nakhaei Sistani, Majid Sadeghizadeh
OBJECTIVES: Despite the good results of anticancer activities by curcumin, there are some hurdles that limit the use of curcumin as an anticancer agent. Many methods were examined to overcome this defect like the use of the dendrosomal curcumin (DNC). There is increasing evidence that miRNAs play important roles in biological processes. In this study, we focus on the roles of microRNA-21 in the anti-cancer effects of DNC in breast cancer. MATERIALS AND METHODS: Also, we have used different methods such as MTT, apoptosis, cell cycle analysis, transwell migration assay and RT-PCR to find out more...
April 2017: Iranian Journal of Basic Medical Sciences
https://www.readbyqxmd.com/read/28804564/incrna-h19-promotes-tongue-squamous-cell-carcinoma-progression-through-%C3%AE-catenin-gsk3%C3%AE-emt-signaling-via-association-with-ezh2
#11
Da-Ming Zhang, Zhao-Yu Lin, Zhao-Hui Yang, You-Yuan Wang, Di Wan, Jiang-Long Zhong, Pei-Lin Zhuang, Zhi-Quan Huang, Bin Zhou, Wei-Liang Chen
H19 is involved in tumor metastasis and associated with tumor progression. Enhancer of zest homolog 2 (EZH2) is overexpressed in multiple cancer types and correlates with tumor proliferation, epithelial-mesenchymal transition, and poor prognosis. However, the interaction between H19 and EZH2 to promote tongue squamous cell carcinoma (TSCC) progression remains largely uncharacterized. Insitu hybridization and quantitative reverse-transcription PCR (qRT-PCR) were performed to measure H19 expression in primary TSCC and adjacent normal tissues and cell lines...
2017: American Journal of Translational Research
https://www.readbyqxmd.com/read/28804543/light-of-dna-alkylating-agents-in-castration-resistant-prostate-cancer-cells-a-novel-mixed-egfr-dna-targeting-combi-molecule
#12
Guan-Can Liang, Hao-Feng Zheng, Yan-Xiong Chen, Teng-Cheng Li, Wei Liu, You-Qiang Fang
OBJECTIVE: The mechanism underlying the therapeutic effects of combi-molecule JDF12 on prostate cancer (PCa) DU145 cells remains still unclear. This study aimed to investigate the proteomic profile after JDF12 treatment in DU145 cells by comparing with that in Iressa treated cells and untreated cells. METHODS: MTT was used to evaluate drug cytotoxicity, DAPI staining was done to assess apoptosis of cells, and flow cytometry was used to analyze cell cycle. iTRAQ and qPCR were employed to obtain the proteomic profiles of JDF12 treated, Iressa treated, and untreated DU145 cells, and validate the expression of selected differentially expressed proteins, respectively...
2017: American Journal of Translational Research
https://www.readbyqxmd.com/read/28804541/a-potential-role-for-the-hippo-pathway-protein-yap-in-controlling-proliferation-cell-cycle-progression-and-autophagy-in-bcpap-and-ki-thyroid-papillary-carcinoma-cells
#13
Zeming Liu, Wen Zeng, Shi Wang, Xiangwang Zhao, Yawen Guo, Pan Yu, Xingjie Yin, Chunping Liu, Tao Huang
PURPOSE: The aims were two-fold: first, to examine the expression of Yes-activated protein (YAP), a key Hippo pathway regulator, in clinical thyroid papillary carcinoma samples and to correlate this with clinicopathological parameters; second, to explore the role of YAP in regulating cell growth and division in vitro. METHODS AND RESULTS: YAP expression was determined by immunohistochemistry of clinical thyroid papillary carcinoma tissue microarrays and expression was correlated with clinicopathological parameters...
2017: American Journal of Translational Research
https://www.readbyqxmd.com/read/28803837/silencing-of-glut1-induces-chemoresistance-via-modulation-of-akt-gsk-3%C3%AE-%C3%AE-catenin-survivin-signaling-pathway-in-breast-cancer-cells
#14
Sunhwa Oh, KeeSoo Nam, Hyungjoo Kim, Incheol Shin
Cancer cells require increased aerobic glycolysis to support rapid cell proliferation. For their increased energy demands, cancer cells express glucose transporter (Glut) proteins at a high level. Glut1 is associated with basal-like breast cancer and is considered a potential therapeutic target. To investigate the possibility of Glut1 as a therapeutic target in breast cancer cells, we downregulated Glut1 in triple-negative breast cancer (TNBC) cell lines using a short hairpin system. We determined whether Glut1 silencing might enhance anti-proliferative effect of chemotherapeutic agents...
August 10, 2017: Archives of Biochemistry and Biophysics
https://www.readbyqxmd.com/read/28803443/solasodine-inhibits-human-colorectal-cancer-cells-via-suppression-of-akt-gsk-3%C3%AE-%C3%AE-catenin-pathway
#15
Yu-Wen Zhuang, Cun-En Wu, Jin-Yong Zhou, Xu Chen, Jian Wu, Shan Jiang, Hai-Yan Peng, Xi Zou, Jia-Yun Liu, Da-Peng Wu, Tao Gong, Ming-Hao Qi, Tian Xue, Shen-Lin Liu, Hui Cai
Solasodine is a main active component isolated from Solanum incanum L, who performs a wide range of functions containing anti-oxidant, anti-infection and neurogenesis promotion. In this study, we explored the influence of solasodine on three types of human colorectal cancer (CRC) cell lines. The consequences displayed that solasodine apparently prohibited CRC cell proliferation dose- and time-dependently and impeded CRC cell motility by downregulating Matrix metalloprotease (MMPs). Besides, solasodine was investigated to fuel caspase-cascade reaction and increase the ratio between Bax and Bcl-2 so as to induce CRC cell apoptosis...
August 13, 2017: Cancer Science
https://www.readbyqxmd.com/read/28803425/frameshift-mutations-in-repeat-sequences-of-ank3-hacd4-tcp10l-tp53bp1-mfn1-lcmt2-rnmt-trmt6-mettl8-and-mettl16-genes-in-colon-cancers
#16
Su Yeon Yeon, Yun Sol Jo, Eun Ji Choi, Min Sung Kim, Nam Jin Yoo, Sug Hyung Lee
Diminished ANK3 contributes to cell survival by inhibiting detachment-induced apoptosis. TP53BP1 that interacts with p53 and MFN1 that encodes a mitochondrial membrane protein are considered to have tumor suppressor gene (TSG) functions. HACD4 involving fatty acid synthesis and TCPL10 with transcription regulation functions are considered TSGs. Many genes involved in DNA methylations such as LCMT2, RNMT, TRMT6, METTL8 and METTL16 are often perturbed in cancer. The aim of our study was to find whether these genes were mutated in colorectal cancer (CRC)...
August 12, 2017: Pathology Oncology Research: POR
https://www.readbyqxmd.com/read/28803390/cancer-clonal-theory-immune-escape-and-their-evolving-roles-in-cancer-multi-agent-therapeutics
#17
REVIEW
Jonathan L Messerschmidt, Prianka Bhattacharya, Gerald L Messerschmidt
PURPOSE OF REVIEW: The knowledge base of malignant cell growth and resulting targets is rapidly increasing every day. Clonal theory is essential to understand the changes required for a cell to become malignant. These changes are then clues to therapeutic intervention strategies. Immune system optimization is a critical piece to find, recognize, and eliminate all cancer cells from the host. Only by administering (1) multiple therapies that counteract the cancer cell's mutational and externally induced survival traits and (2) by augmenting the immune system to combat immune suppression processes and by enhancing specific tumor trait recognition can cancer begin to be treated with a truly targeted focus...
August 12, 2017: Current Oncology Reports
https://www.readbyqxmd.com/read/28803233/comprehensive-analysis-of-the-chemical-composition-and-in-vitro-cytotoxic-mechanisms-of-pallines-spinosa-flower-and-leaf-essential-oils-against-breast-cancer-cells
#18
Ayman M Saleh, Mahmoud A Al-Qudah, Amre Nasr, Sayed A Rizvi, Anwar Borai, Mustafa Daghistani
BACKGROUND/AIMS: In our quest for new natural anticancer agents, we studied the cytotoxicity of the essential oils extracted from flowers and leaves of Pallines spinosa. METHODS: The essential oils were extracted by hydrodistillation and solid phase microextraction (SPME) from flowers and leaves of the plant and their composition was determined by GC/GC-MS. The cytotoxicity of the oils was evaluated against MCF-7 and MDA-MB-231 breast adenocarcinomas, and the non-cancerous MCF-10-2A cells, using a flow cytometry-based assay Apoptosis was evaluated by flow cytometry, nuclear staining, caspases activation, and Western blotting techniques, and cell cycle by measuring DNA contents...
August 11, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28803117/phenolics-from-rubus-fairholmianus-induces-cytotoxicity-and-apoptosis-in-human-breast-adenocarcinoma-cells
#19
Blassan P George, Heidi Abrahamse, Nanjundaswamy M Hemmaragala
Herbal medicine is an important part of health care system in most of the countries. Rubus fairholmianus is an unexplored berry in folkloric medicine. In this study, we aimed to understand the importance of R. fairholmianus in pharmaceutical industry for the development of cost-effective cancer therapeutic drugs using in vivo and in vitro analysis. Chemical characterisation, antioxidant, antiproliferative and apoptosis inducing properties of R. fairholmianus root methanolic column subfraction (RFM) were investigated...
August 9, 2017: Chemico-biological Interactions
https://www.readbyqxmd.com/read/28803068/improved-therapeutic-efficacy-of-mammalian-expressed-recombinant-interferon-gamma-against-ovarian-cancer-cells
#20
Ali Razaghi, Carina Villacrés, Vincent Jung, Narges Mashkour, Michael Butler, Leigh Owens, Kirsten Heimann
Human interferon gamma (hIFNγ) affects tumour cells and modulates immune responses, showing promise as an anti-cancer biotherapeutic. This study investigated the effect of glycosylation and expression system of recombinant hIFNγ in ovarian carcinoma cell lines, PEO1 and SKOV3. The efficacy of E. coli- and mammalian-expressed hIFNγ (hIFNγ-CHO and HEK293, glycosylated/de-glycosylated) on cytostasis, cell death (MTT, and Guava-ViaCount(®) flow-cytometry) and apoptotic signalling (Western blot of Cdk2, histone H3, procaspase-3, FADD, cleaved PARP, and caspase-3) was examined...
August 9, 2017: Experimental Cell Research
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