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International Journal of Oncology

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https://www.readbyqxmd.com/read/29138806/effect-of-bis-hydroxymethyl-alkanoate-curcuminoid-derivative-mth-3-on-cell-cycle-arrest-apoptotic-and-autophagic-pathway-in-triple-negative-breast-adenocarcinoma-mda-mb-231-cells-an-in-vitro-study
#1
Ling-Chu Chang, Min-Tsang Hsieh, Jai-Sing Yang, Chi-Cheng Lu, Fuu-Jen Tsai, Je-Wei Tsao, Yu-Jen Chiu, Sheng-Chu Kuo, Kuo-Hsiung Lee
Curcumin has been shown to exert potential antitumor activity in vitro and in vivo involved in multiple signaling pathways. However, the application of curcumin is still limited because of its poor hydrophilicity and low bio-availability. In the present study, we investigated the therapeutic effects of a novel and water soluble bis(hydroxymethyl) alkanoate curcuminoid derivative, MTH-3, on human breast adenocarcinoma MDA-MB-231 cells. This study investigated the effect of MTH-3 on cell viability, cell cycle and induction of autophagy and apoptosis in MDA-MB-231 cells...
November 14, 2017: International Journal of Oncology
https://www.readbyqxmd.com/read/29138809/microrna-expression-profiles-in-non%C3%A2-epithelial-ovarian-tumors
#2
Roger K Chang, Xidan Li, Ninni Mu, Olga Hrydziuszko, Beatriz Garcia-Majano, Catharina Larsson, Weng-Onn Lui
Ovarian germ cell tumors (OGCTs) and sex cord stromal tumors (SCSTs) are rare gynecologic tumors that are derived from germ and stromal cells, respectively. Unlike their epithelial counterparts, molecular pathogenesis of these tumor types is still poorly understood. Here, we characterized microRNA (miRNA) expression profiles of 9 OGCTs (2 malignant and 7 benign) and 3 SCSTs using small RNA sequencing. We observed significant miRNA expression variations among the three tumor groups. To further demonstrate the biological relevance of our findings, we selected 12 miRNAs for validation in an extended cohort of 16 OGCTs (9 benign and 7 malignant) and 7 SCSTs by reverse transcription-quantitative polymerase chain reaction...
November 10, 2017: International Journal of Oncology
https://www.readbyqxmd.com/read/29138808/the-biology-and-function-of-extracellular-vesicles-in-nasopharyngeal-carcinoma-review
#3
Bo You, Ying Shan, Lili Bao, Jing Chen, Liu Yang, Qicheng Zhang, Wei Zhang, Zhenxin Zhang, Jie Zhang, Si Shi, Yiwen You
Extracellular vesicles are a heterogeneous group of membrane-enclosed vesicles, which play an important role in intercellular communication. Increasing number of studies have shown that tumor-derived extracellular vesicles might be involved in the transfer of oncogenic cargo (proteins, lipids, messenger RNA, microRNA, non-coding RNAs and DNA) through which cancer cells could shape the tumor microenvironment and influence tumor progression. Nasopharyngeal carcinoma-derived extracellular vesicles have also reported to facilitate tumor proliferation, metastasis and immune escape...
November 10, 2017: International Journal of Oncology
https://www.readbyqxmd.com/read/29138807/role-of-lasp-1-a-novel-sox9-transcriptional-target-in-the-progression-of-lung-cancer
#4
Jianguang Shi, Jing Guo, Xinjian Li
Lung cancer accounts for most cancer-related deaths worldwide. However, the underlying mechanism by which it mediates the progression of lung cancer remains unclear. Expression of LASP-1 (LIM and SH3 protein 1) was evaluated in lung cancer tissues and tumor-adjacent normal tissues using immunohistochemistry and western blotting. Functional studies have shown that siRNA-mediated silencing of LASP-1 in human lung cancer cells and reduced cell proliferation, migration, and invasion. Flow cytometry and immunofluorescence staining also revealed that rate of cell apoptosis was increased after knockdown of expression of LASP-1, thereby suggesting that LASP-1 may function as an oncogene during lung cancer progression...
November 10, 2017: International Journal of Oncology
https://www.readbyqxmd.com/read/29138804/cucurbitacin-b-and-cancer-intervention-chemistry-biology-and-mechanisms-review
#5
Sukant Garg, Sunil C Kaul, Renu Wadhwa
Cancer is one of the most important healthcare matters, with the worst prognosis but the best possibilities for scientific development. It is likely to increase in the future and cause global havoc designating it as an epidemic. Cancer development requires urgent intervention. Past few decades have witnessed extensive research to challenge carcinogenesis. Treatment involving synthetic discipline is often associated with severe adverse effects, or even worsened prognosis. Accordingly, newer economic and patient friendly molecules are warranted...
November 10, 2017: International Journal of Oncology
https://www.readbyqxmd.com/read/29138811/high-expression-of-mage-a9-contributes-to-stemness-and-malignancy-of-human-hepatocellular-carcinoma
#6
Youping Wei, Yanqin Wang, Jing Gong, Lihua Rao, Zhiwei Wu, Teng Nie, Dongling Shi, Liming Zhang
MAGE-A9, a well-characterized cancer testis antigen (CTA), belongs to a member of melanoma antigen gene (MAGE) family. In human malignancies, aberrant expression of MAGE genes correlated with poor clinical prognosis, increased tumor growth, metastases, and enrichment in stem cell populations of certain cancers. Cancer stem cells (CSCs) have been proposed to contribute to the major malignant phenotypes of liver cancer, including recurrence, metastasis and chemoresistance. However, expression and potential role of MAGE-A9 in liver cancer stem cells (LCSCs) still remain unclear...
November 9, 2017: International Journal of Oncology
https://www.readbyqxmd.com/read/29138803/toll-like-receptors-tlr1-2-tlr6-and-muc5b-as-binding-interaction-partners-with-cytostatic-proline-rich-polypeptide-1-in-human-chondrosarcoma
#7
Karina Galoian, Silva Abrahamyan, Gor Chailyan, Amir Qureshi, Parthik Patel, Gil Metser, Alexandra Moran, Inesa Sahakyan, Narine Tumasyan, Albert Lee, Tigran Davtyan, Samvel Chailyan, Armen Galoyan
Metastatic chondrosarcoma is a bone malignancy not responsive to conventional therapies; new approaches and therapies are urgently needed. We have previously reported that mTORC1 inhibitor, antitumorigenic cytostatic proline rich polypeptide 1 (PRP-1), galarmin caused a significant upregulation of tumor suppressors including TET1/2 and SOCS3 (known to be involved in inflammatory processes), downregulation of oncoproteins and embryonic stem cell marker miR-302C and its targets Nanog, c-Myc and Bmi-1 in human chondrosarcoma...
November 9, 2017: International Journal of Oncology
https://www.readbyqxmd.com/read/29115416/annexin-a2-and-cancer-a-systematic-review
#8
Maria V Christensen, Claus K Høgdall, Kirsten M Jochumsen, Estrid V S Høgdall
Annexin A2 is a 36-kDa protein interfering with multiple cellular processes especially in cancer progression. The present review aimed to show the relations between Annexin A2 and cancer. A systematic search for studies investigating cancer and Annexin A2 expression was conducted using PubMed. Acute lymphoblastic leukaemia, acute promyelocytic leukaemia, clear cell renal cell carcinoma, breast, cervical, colorectal, endometrial, gastric cancer, glioblastoma, hepatocellular carcinoma, lung, multiple myeloma, oesophageal squamous cell carcinoma, ovarian cancer, pancreatic duct adenocarcinoma, prostate cancer and urothelial carcinoma were evaluated...
November 8, 2017: International Journal of Oncology
https://www.readbyqxmd.com/read/29115415/the-stat-ros-cycle-extends-ifn%C3%A2-induced-cancer-cell-apoptosis
#9
Yan Wang, Xiaoyu Yu, Hongtao Song, Di Feng, Yang Jiang, Shuang Wu, Jingshu Geng
In mammals, the signal transducer and activator of transcription (STAT) protein processes mitochondria importation targets and mitochondria respiratory complexes, and triggers reactive oxygen species (ROS) generation, which conversely rapidly initiates the activation of STAT. Interferon (IFN) administration increases cancer cell apoptosis via STAT activation and ROS accumulation. However, the existence of a STAT-ROS cycle and how it affects IFN‑induced cancer cellular apoptosis are unclear. In the present study, we used MCF7 breast cancer cells and confirmed that a combination of IFN‑α/β/γ incubation induced STAT1/3 phosphorylation and mitochondria importation, which increased mitochondria respiratory complexes, the cellular oxygen consumption rate (OCR), and ROS production, followed by cellular apoptosis...
November 8, 2017: International Journal of Oncology
https://www.readbyqxmd.com/read/29115428/inhibition-of-p21-activated-kinase-enhances-tumour-immune-response-and-sensitizes-pancreatic-cancer-to-gemcitabine
#10
Kai Wang, Nhi Huynh, Xiao Wang, Graham Baldwin, Mehrdad Nikfarjam, Hong He
Pancreatic ductal adenocarcinoma (PDA) is one of the major types of cancer that exhibit high mortality worldwide because of the late diagnosis and the lack of effective treatment. Immunotherapy appears to be ineffective in PDA treatment due to the existence of a unique immune-suppressive microenvironment in PDA. Gemcitabine-based therapy is still the most commonly used chemotherapy to treat PDA patients with only marginal increased survival rates. This prompted us to continue the search for more effective therapy for PDA treatment...
November 7, 2017: International Journal of Oncology
https://www.readbyqxmd.com/read/29115414/anti-oncogenic-activities-of-cyclin-d1b-sirna-on-human-bladder-cancer-cells-via-induction-of-apoptosis-and-suppression-of-cancer-cell-stemness-and-invasiveness
#11
Chul Jang Kim, Tokio Terado, Yukihiro Tambe, Ken-Ichi Mukaisho, Hiroyuki Sugihara, Akihiro Kawauchi, Hirokazu Inoue
The human cyclin D1 gene generates two major isoforms, cyclin D1a and cyclin D1b, by alternative splicing. Although cyclin D1b mRNA is hardly expressed in normal human tissues, it is detected in approximately 60% of human bladder cancer tissues and cell lines. In the present study, to assess the therapeutic ability of cyclin D1b siRNA, we investigated the anti-oncogenic effects of cyclin D1b siRNA on human bladder cancer cell lines, SBT31A and T24, which express cyclin D1b mRNA. Knockdown of cyclin D1b by specific siRNA significantly suppressed cell proliferation, in vitro cell invasiveness and three-dimensional (3D) spheroid formation in these cell lines...
November 7, 2017: International Journal of Oncology
https://www.readbyqxmd.com/read/29115412/knockdown-of-duxap10-inhibits-proliferation-and-promotes-apoptosis-in-bladder-cancer-cells-via-pi3k-akt-mtor-signaling-pathway
#12
Xiu-Yi Lv, Liang Ma, Jun-Feng Chen, Rui Yu, Yi Li, Ze-Jun Yan, Yue Cheng, Qi Ma
DUXAP10 is a member of long non-coding RNAs (lncRNAs) and has been reported to be upregulated in bladder cancer (BC) tissues. However, the biological functions of DUXAP10 in BC are largely unknown. The present study detected the expression of DUXAP10 in human normal bladder cell SV‑HUC‑1 and BC cell lines. Subsequently, cell proliferation, cell cycle, and apoptosis were analyzed by knockdown of the DUXAP10 expression. Results suggested that the expression level of DUXAP10 was significantly enhanced in cancer cells...
November 7, 2017: International Journal of Oncology
https://www.readbyqxmd.com/read/29115582/passenger-strand-of-mir-145-3p-acts-as-a-tumor-suppressor-by-targeting-myo1b-in-head-and-neck-squamous-cell-carcinoma
#13
Yasutaka Yamada, Keiichi Koshizuka, Toyoyuki Hanazawa, Naoko Kikkawa, Atsushi Okato, Tetsuya Idichi, Takayuki Arai, Sho Sugawara, Koji Katada, Yoshitaka Okamoto, Naohiko Seki
Analysis of the microRNA (miRNA) expression signature of head and neck squamous cell carcinoma (HNSCC) based on RNA sequencing showed that dual strands of pre‑miR‑145 (miR‑145‑5p, guide strand; and miR‑145‑3p, passenger strand) were significantly reduced in cancer tissues. In miRNA biogenesis, passenger strands of miRNAs are degraded and have no biological activities in cells. The aims of this study were to investigate the functional significance of the passenger strand of miR‑145 and to identify miR‑145‑3p‑regulated oncogenic genes in HNSCC cells...
November 6, 2017: International Journal of Oncology
https://www.readbyqxmd.com/read/29115578/characterization-of-prostate-cancer-cell-progression-in-zebrafish-xenograft-model
#14
Wei Xu, Brittany A Foster, Mackenzie Richards, Kenneth R Bondioli, Girish Shah, Christopher C Green
Early diagnosis of prostate cancer (PCa) is critical for the application of efficient treatment to PCa patients. However, the majority of PCas remains indolent from several months to several years before malignancy. Current diagnosis methods have limitations in their reliability and are inefficient in time cost. Thus, an efficient in vivo PCa cell xenograft model is highly desired for diagnostic studies in PCas. In the present study we present a standardized procedure to create a PCa cell xenograft model using zebrafish (Danio rerio) as the host...
November 6, 2017: International Journal of Oncology
https://www.readbyqxmd.com/read/29115437/simvastatin-enhances-the-radiosensitivity-of-p53%C3%A2-deficient-cells-via-inhibition-of-mouse-double-minute-2-homolog
#15
Ji Young Lee, Mi-Sook Kim, Jae Eun Ju, Mi So Lee, Namhyun Chung, Youn Kyoung Jeong
Simvastatin exhibits anticancer activities, but its molecular mechanisms and radiosensitizing effects relative to p53 status remain unclear. In this study, we investigated whether the combination of simvastatin and ionizing radiation (IR) would enhance the antitumor effects of IR alone in HCT116 p53+/+ and p53‑/- colon cancer cells. Using colony formation assays and a xenograft mouse model, we found that simvastatin potently stimulated radiosensitization of HCT116 p53‑/- cells and xenograft tumors. The combination of simvastatin with IR decreased G2/M arrest and delayed the repair of IR-induced DNA damage; however, no differences between the HCT116 p53+/+ and p53‑/- cells were evident...
November 6, 2017: International Journal of Oncology
https://www.readbyqxmd.com/read/29115404/downregulation-of-mitochondrial-uqcrb-inhibits-cancer-stem-cell-like-properties-in-glioblastoma
#16
Narae Jung, Ho Jeong Kwon, Hye Jin Jung
Glioblastoma stem cell targeted therapies have become a powerful strategy for the treatment of this deadliest brain tumor. We demonstrate for the first time that downregulation of mitochondrial ubiquinol-cytochrome c reductase binding protein (UQCRB) inhibits the cancer stem cell-like properties in human glioblastoma cells. The synthetic small molecules targeting UQCRB significantly suppressed not only the self-renewal capacity such as growth and neurosphere formation, but also the metastatic potential such as migration and invasion of glioblastoma stem‑like cells (GSCs) derived from U87MG and U373MG at subtoxic concentrations...
November 6, 2017: International Journal of Oncology
https://www.readbyqxmd.com/read/29115585/idh1-mutation-diminishes-aggressive-phenotype-in-glioma-stem-cells
#17
Qi Yao, Gang Cai, Qi Yu, Jianhong Shen, Zhikai Gu, Jian Chen, Wei Shi, Jinlong Shi
The R132H mutation in isocitrate dehydrogenase 1 (IDH1-R132H) is associated with better prognosis in glioma patients. Glioma stem cells (GSCs) in glioma are believed to be responsible for glioma growth and maintenance. However, the relation between the R132H mutation and GSCs is not fully understood. In the present study, GSC markers were detected in patients with IDH1-R132H or wild-type IDH1 (IDH1-wt) by tissue microarray immunohistochemistry (TMA-IHC). The relationship between the expression patterns of GSC markers and the clinicopathological characteristics in glioma were analyzed...
November 3, 2017: International Journal of Oncology
https://www.readbyqxmd.com/read/29115581/tramadol-attenuates-the-sensitivity-of-glioblastoma-to-temozolomide-through-the-suppression-of-cx43%C3%A2-mediated-gap-junction-intercellular-communication
#18
Lingzhi Wang, Yuexia Peng, Jianxin Peng, Min Shao, Li Ma, Zhuoli Zhu, Guocheng Zhong, Zhengyuan Xia, Huansen Huang
Analgesics and antineoplastic drugs are often used concurrently for cancer patients. Our previous study reported that gap junctions composed of connexin32 (Cx32) was implicated in the effect of analgesics on cisplatin cytotoxicity. However, the effect of analgesic on the most widely expressed connexin (Cx), connexin43 (Cx43), and whether such effect mediates the influence on chemotherapeutic efficiency remain unknown. By manipulation of Cx43 expression or gap junction function, we found that there were gap junction-dependent and independent effect of Cx43 on temozolomide (TMZ) sensitivity in U87 glioblastoma cells...
November 3, 2017: International Journal of Oncology
https://www.readbyqxmd.com/read/29115574/long-non-coding-rna-snhg1-regulates-nob1-expression-by-sponging-mir-326-and-promotes-tumorigenesis-in-osteosarcoma
#19
Jiandong Wang, Lei Cao, Jianhong Wu, Qiugen Wang
The long non-coding RNA (lncRNA) small nucleolar RNA host gene 1 (SNHG1) has been demonstrated to participate in the deterioration of many types of cancer. However, the underlying mechanisms of SNHG1-mediating functions in osteosarcoma (OS) have yet to be elucidated. In the present study, our results showed that SNHG1 was upregulated in OS tissues and cell lines, and high SNHG1 expression predicts poor overall survival of OS patients. Knockdown of SNHG1 inhibited cell growth and metastasis of OS in vitro and in vivo...
November 3, 2017: International Journal of Oncology
https://www.readbyqxmd.com/read/29115583/unfavorable-effect-of-calcitriol-and-its-low-calcemic-analogs-on-metastasis-of-4t1-mouse-mammary-gland-cancer
#20
Artur Anisiewicz, Agata Pawlik, Beata Filip-Psurska, Eliza Turlej, Stanisław Dzimira, Magdalena Milczarek, Katarzyna Gdesz, Diana Papiernik, Joanna Jarosz, Dagmara Kłopotowska, Andrzej Kutner, Andrzej Mazur, Joanna Wietrzyk
Low vitamin D status is considered as a risk factor for breast cancer and has prognostic significance. Furthermore, vitamin D deficiency increases after adjuvant cancer therapy, which alters bone metabolism increasing the risk of osteoporosis. It is now postulated that vitamin D supplementation in breast cancer treatment delays the recurrence of cancer thereby extending survival. We evaluated the impact of calcitriol and its low-calcemic analogs, PRI‑2191 and PRI‑2205, on the tumor growth, angiogenesis, and metastasis of 4T1 mouse mammary gland cancer...
November 2, 2017: International Journal of Oncology
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