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Oncology Letters

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https://www.readbyqxmd.com/read/28599504/combination-of-wogonin-and-sorafenib-effectively-kills-human-hepatocellular-carcinoma-cells-through-apoptosis-potentiation-and-autophagy-inhibition
#1
Li-Wen Rong, Rui-Xue Wang, Xue-Lian Zheng, Xu-Qin Feng, Lei Zhang, Lin Zhang, Yong Lin, Zhi-Ping Li, Xia Wang
The small molecule multi-kinase inhibitor sorafenib has become the standard systemic treatment for patients with advanced hepatocellular carcinoma (HCC) and renal cell carcinoma. Similar to other kinase inhibitors, drug resistance hinders its clinical use; thus, combination therapy to improve sorafenib sensitivity is a promising approach. The present study shows for the first time that the combination of sorafenib and wogonin exerts a significant potentiation of cytotoxicity in a number of human HCC cell lines in a dose-dependent manner...
June 2017: Oncology Letters
https://www.readbyqxmd.com/read/28599503/effects-of-inflammatory-factors-including-plasma-tumor-necrosis-factor-%C3%AE-in-the-clinical-treatment-of-acute-respiratory-distress-syndrome
#2
Shu Ran Huang, Ai Ying Ma, Yuan Liu, Yan Qu
The present study investigated the association between the levels of plasma tumor necrosis factor-α (TNF-α), interleukin (IL)-6, IL-8, high-sensitivity C-reactive protein and fibrinogen levels of patients with acute respiratory distress syndrome (ARDS) with ARDS treatment outcome and duration of mechanical ventilation, with the aim of improving the efficacy of ARDS therapy. A total of 140 patients with ARDS were randomly divided into groups A and B, with 70 patients in each group. The patients in group A received a combination of conventional treatment and comprehensive treatment (test group) and the patients in group B were treated with conventional therapy only (control group)...
June 2017: Oncology Letters
https://www.readbyqxmd.com/read/28599502/microrna-10b-inhibits-proliferation-migration-and-invasion-in-cervical-cancer-cells-via-direct-targeting-of-insulin-like-growth-factor-1-receptor
#3
Ren Hou, Daixian Wang, Jian Lu
MicroRNAs are deregulated in numerous types of human cancers and have crucial roles in the carcinogenesis and progression of human cancers. MicroRNA-10b (miR-10b) has been studied in several types of human cancer. However, the expression and roles of miR-10b in cervical cancer remain unknown. In the present study, the expression, functions and molecular mechanisms of miR-10b were explored in cervical cancer. The present data revealed that miR-10b was significantly downregulated in cervical cancer tissues and cell lines...
June 2017: Oncology Letters
https://www.readbyqxmd.com/read/28599501/microrna-217-inhibits-cell-proliferation-and-enhances-chemosensitivity-to-doxorubicin-in-acute-myeloid-leukemia-by-targeting-kras
#4
Yi Xiao, Taoran Deng, Changliang Su, Zhen Shang
Acute myeloid leukemia (AML) is a heterogeneous malignant disorder derived from the myeloid hematopoietic cells that accounts for ~80% of all adult acute leukemia. Numerous studies have shown that drug resistance not only exists against conventional chemotherapeutic drugs, but also limits the efficacy of new biological agents. Therefore, it is important to identify the mechanisms behind chemoresistance and seek therapeutic strategies to enhance efficacy in AML chemotherapy. MicroRNA (miR)-217 has been recognized as a tumor suppressor that is downregulated in various types of cancer, however the mechanisms behind the expression and function of miR-217 in AML have not yet been recognized...
June 2017: Oncology Letters
https://www.readbyqxmd.com/read/28599500/notable-roles-of-ezh2-and-dnmt1-in-epigenetic-dormancy-of-the-shp1-gene-during-the-progression-of-chronic-myeloid-leukaemia
#5
Jing Wang, Luoming Hua, Ming Guo, Lin Yang, Xiaojun Liu, Yanmeng Li, Xiaoyan Shang, Jianmin Luo
Tumor development is associated with the methylation of cytosine-guanine (CpG) islands. The occurrence of methylation requires several factors, such as DNA methylation systems and polycomb group (PcG) proteins. At present, novel drugs are needed for the treatment of chronic myeloid leukaemia (CML), particularly considering the current prognosis of CML. The methylation status of the Src homology 2 domain-containing tyrosine phosphatase 1 (SHP1) gene, a negative regulator of signal transduction, has been identified as being altered in numerous haematological malignancies...
June 2017: Oncology Letters
https://www.readbyqxmd.com/read/28599499/comparative-secretome-of-ovarian-serous-carcinoma-gelsolin-in-the-spotlight
#6
Sandra Pierredon, Pascale Ribaux, Jean-Christophe Tille, Patrick Petignat, Marie Cohen
Ovarian cancer is one of the most common types of reproductive cancer, and has the highest mortality rate amongst gynecological cancer subtypes. The majority of ovarian cancers are diagnosed at an advanced stage, resulting in a five-year survival rate of ~30%. Early diagnosis of ovarian cancer has improved the five-year survival rate to ≥90%, thus the current imperative requirement is to identify biomarkers that would allow the early detection, diagnosis and monitoring of the progression of the disease, or of novel targets for therapy...
June 2017: Oncology Letters
https://www.readbyqxmd.com/read/28599498/sequential-administration-of-xelox-and-xeliri-is-effective-feasible-and-well-tolerated-by-patients-with-metastatic-colorectal-cancer
#7
Taro Fukui, Koichi Suzuki, Kosuke Ichida, Yuji Takayama, Nao Kakizawa, Yuta Muto, Fumi Hasegawa, Fumiaki Watanabe, Rina Kikugawa, Masaaki Saito, Shingo Tsujinaka, Yasuyuki Miyakura, Toshiki Rikiyama
Sequential administration of the chemotherapy regimes capecitabine and oxaliplatin (XELOX) and capecitabine and irinotecan (XELIRI) in the first- to second-line treatment setting would allow patients to be managed more easily in an outpatient unit. However, a small number of studies have raised concerns of cumulative adverse events as a consequence of the continuous use of capecitabine. To investigate this, the present study conducted a retrospective review of 81 consecutive metastatic colorectal cancer (mCRC) patients treated with the oxaliplatin, fluorouracil and leucovorin-irinotecan, fluorouracil and leucovorin (FOLFOX-FOFIRI/F-F) regimen (n=40) or the XELOX-XELIRI (X-X) regimen (n=41) in first- to second-line chemotherapy in Saitama Medical Center between 2006 and 2012...
June 2017: Oncology Letters
https://www.readbyqxmd.com/read/28599497/monoclonal-antibodies-against-autocrine-motility-factor-suppress-gastric-cancer
#8
Hahn-Sun Jung, Su In Lee, Seung-Hoon Kang, Jin Sang Wang, Eun Hee Yang, Byungwook Jeon, Jayhyuk Myung, Ji Young Baek, Song-Kyu Park
Autocrine motility factor (AMF), which is a secreted form of phosphoglucose isomerase, is mainly secreted by various tumors and has cytokine-like activity. AMF is known to stimulate proliferation, survival and metastasis of cancer cells, and angiogenesis within a tumor. The present study investigated whether inhibition of AMF using targeted-antibodies was able to suppress the growth of cancer. A migration assay using a Boyden chamber was utilized to measure the activity of AMF on the motility of cancer cells...
June 2017: Oncology Letters
https://www.readbyqxmd.com/read/28599496/use-of-gemcitabine-as-a-second-line-treatment-following-chemotherapy-with-folfirinox-for-metastatic-pancreatic-adenocarcinoma
#9
Matthieu Sarabi, Laetitia Mais, Nadia Oussaid, Françoise Desseigne, Pierre Guibert, Christelle De La Fouchardiere
There is a lack of prospective data about second-line treatments for metastatic pancreatic ductal adenocarcinoma patients. This is partially due to recent changes in first-line chemotherapy treatments. Despite this dearth of information, 50.0% of the patients who experience failure with first-line folinic acid, 5-fluorouracil, irinotecan and oxaliplatin (folfirinox) treatment are eligible for additional chemotherapy. In this setting, gemcitabine is widely used without any standard recommendations available...
June 2017: Oncology Letters
https://www.readbyqxmd.com/read/28599495/investigation-of-the-relative-biological-effectiveness-and-uniform-isobiological-killing-effects-of-irradiation-with-a-clinical-carbon-sobp-beam-on-dna-repair-deficient-cho-cells
#10
Shigeaki Sunada, Ian M Cartwright, Hirokazu Hirakawa, Akira Fujimori, Mitsuru Uesaka, Takamitsu A Kato
Spread-out Bragg peak (SOBP) C ions have been used clinically in charged particle radiation therapy for years. An SOBP beam consists of various monoenergetic Bragg peaks; however, the biological effect of irradiation with an SOBP beam track has not been well-studied. In order to determine the clinically prospective molecular targets, radiosensitivity to the beam track in DNA repair deficient cell lines was investigated. A total of four distinct Chinese hamster ovary (CHO) cell lines, including CHO10B2 (wild-type), V3 (protein kinase DNA-activated catalytic polypeptide deficient), 51D1 (RAD51 paralog D deficient) and PADR9 [poly(ADP-ribose) polymerase (PARP) deficient], were irradiated with gamma-rays, C ions (290 MeV/n) and Fe ions (500 MeV/n), in order to compare cellular lethality...
June 2017: Oncology Letters
https://www.readbyqxmd.com/read/28599494/cucurbitacin-e-induces-apoptosis-of-human-prostate-cancer-cells-via-cofilin-1-and-mtorc1
#11
Xiaolong He, Qi Gao, Yayong Qiang, Wei Guo, Yadong Ma
Cucurbitacin E is an important member of the cucurbitacin family and exhibits inhibitory effects in various types of cancer. Cucurbitacin is a potential antineoplastic drug; however, its anticancer effect in human prostate cancer (PC) remains unknown. The aim of the present study was to determine whether the effect of cucurbitacin E on the cell viability and apoptosis of the human PC cell line, LNCaP, was mediated by cofilin-1- and mammalian target of rapamycin (mTOR). The results of the present study demonstrated that cucurbitacin E significantly exhibited cytotoxicity, suppressed cell viability (P<0...
June 2017: Oncology Letters
https://www.readbyqxmd.com/read/28599493/blueberries-inhibit-cyclooxygenase-1-and-cyclooxygenase-2-activity-in-human-epithelial-ovarian-cancer
#12
Wumei Lin, Zhigang Li
Ovarian cancer (OC) is the sixth and eighth leading cause of cancer mortality among women in developed and developing countries, respectively. Medical therapy is the main method for the treatment of OC. However, drug toxicity and the marked side effects of chemotherapy limit the usage and therapeutic results of the treatments. Therefore, the identification of multi-target agents with few side effects and high effectiveness is required. Traditional Chinese medicine has been used clinically to treat various types of cancer for thousands of years and is considered to possess multiple components and agents, which exert efficient therapeutic functions with few side effects...
June 2017: Oncology Letters
https://www.readbyqxmd.com/read/28599492/histological-evaluations-of-primary-lesions-are-independently-associated-with-prognosis-in-patients-with-gastric-cancer-who-receive-neoadjuvant-chemotherapy
#13
Tomomitsu Tahara, Tomoyuki Shibata, Masaaki Okubo, Dai Yoshida, Tomohiko Kawamura, Noriyuki Horiguchi, Takamitsu Ishizuka, Mitsuo Nagasaka, Yoshihito Nakagawa, Naoki Ohmiya
Neoadjuvant chemotherapy may improve outcomes for patients with locally advanced gastric cancer (GC). To explore useful predictive factors for the response of advanced GC to neoadjuvant chemotherapy, tumor responses were assessed using computed tomography (CT) with histological based criteria. A total of 78 patients with advanced GC undergoing neoadjuvant chemotherapy were included. CT-based response assessment was performed following 2 courses of treatment. Histological evaluation of resected specimens was also performed according to the Japanese classification of gastric carcinoma...
June 2017: Oncology Letters
https://www.readbyqxmd.com/read/28599491/multimodal-treatment-of-kasabach-merritt-syndrome-arising-from-tufted-angioma-a-case-report
#14
Run-Song Jiang, Zheng-Yan Zhao
Kasabach-Merritt syndrome (KMS) is a rare type of vascular tumor associated with a severely decreased platelet count. No standard guidelines for the treatment of the disease have been established so far. In the present study, a 1-year-old pediatric patient with KMS arising from tufted angioma was successfully and variously treated with steroids, vincristine, surgery and propranolol for 18 months. Systemic steroids stabilized the platelet count stable, while vincristine reduced the size of the tumor. Due to unpredictable response, the patient was operated...
June 2017: Oncology Letters
https://www.readbyqxmd.com/read/28599490/circulating-tumor-cell-detection-a-direct-comparison-between-negative-and-unbiased-enrichment-in-lung-cancer
#15
Yan Xu, Biao Liu, Fengan Ding, Xiaodie Zhou, Pin Tu, Bo Yu, Yan He, Peilin Huang
Circulating tumor cells (CTCs), isolated as a 'liquid biopsy', may provide important diagnostic and prognostic information. Therefore, rapid, reliable and unbiased detection of CTCs are required for routine clinical analyses. It was demonstrated that negative enrichment, an epithelial marker-independent technique for isolating CTCs, exhibits a better efficiency in the detection of CTCs compared with positive enrichment techniques that only use specific anti-epithelial cell adhesion molecules. However, negative enrichment techniques incur significant cell loss during the isolation procedure, and as it is a method that uses only one type of antibody, it is inherently biased...
June 2017: Oncology Letters
https://www.readbyqxmd.com/read/28599489/maslinic-acid-suppresses-the-growth-of-human-gastric-cells-by-inducing-apoptosis-via-inhibition-of-the-interleukin-6-mediated-janus-kinase-signal-transducer-and-activator-of-transcription-3-signaling-pathway
#16
Deyou Wang, Sifeng Tang, Qiwen Zhang
The present study aimed to determine whether maslinic acid effectively inhibits the proliferation of MKN28 cells, and to investigate the mechanisms underlying its antitumor functions. MKN28 cell viability was evaluated using a Cell Counting Kit-8, cell proliferation was analyzed by a colony formation assay and flow cytometry was used to investigate the rate of apoptosis. Western blot analysis was performed in order to determine the differential expression levels of Janus kinase (JAK), signal transducer and activator of transcription 3 (STAT3) and apoptosis associated proteins B-cell lymphoma 2 (Bcl-2), Bcl-2 associated X protein (Bax) and Bcl-2 associated agonist of cell death (Bad)...
June 2017: Oncology Letters
https://www.readbyqxmd.com/read/28599488/histone-deacetylase-inhibitor-trichostatin-a-enhances-the-antitumor-effect-of-the-oncolytic-adenovirus-h101-on-esophageal-squamous-cell-carcinoma-in-vitro-and-in-vivo
#17
Junfen Ma, Nan Li, Jimin Zhao, Jing Lu, Yanqiu Ma, Qinghua Zhu, Ziming Dong, Kangdong Liu, Liang Ming
Replication-selective oncolytic virotherapy provides a novel modality to treat cancer by inducing cell death in tumor cells but not in normal cells. However, the utilization of oncolytic viruses as a stand-alone treatment is problematic due to their poor transduction efficiency in vivo. H101 was the first oncolytic adenovirus (Ads) to be approved by the Chinese FDA, and exhibits modest antitumor effects when applied as a single agent. The multiple histone deacetylase inhibitor trichostatin A (TSA) has been demonstrated to potently enhance the spread and replication of oncolytic Ads in several infection-resistant types of cancer...
June 2017: Oncology Letters
https://www.readbyqxmd.com/read/28599487/calreticulin-is-a-novel-independent-prognostic-factor-for-oral-squamous-cell-carcinoma
#18
Koji Harada, Takanori Takenawa, Tarannum Ferdous, Yasuhiro Kuramitsu, Yoshiya Ueyama
We focused on the expression of Calreticulin (CALR) in oral squamous cell carcinoma (OSCC) on the basis of proteomic differential display analysis data. We used QR-32 cells in this study which is a regressive murine fibrosarcoma cell clone; and QRsP-11, a progressive malignant tumor cell clone originated from QR-32. CALR is an endoplasmic reticulum luminal Ca(2+)-binding chaperone protein, which is thought to affect the tumor behavior of various malignancies. This study was aimed to determine the usefulness of CALR as a prognostic factor in patients with OSCC...
June 2017: Oncology Letters
https://www.readbyqxmd.com/read/28599486/knockout-of-kr%C3%A3-ppel-like-factor-10-suppresses-hepatic-cell-proliferation-in-a-partially-hepatectomized-mouse-model
#19
Seung-Ho Heo, Eui-Suk Jeong, Kyoung-Sun Lee, Jin-Hee Seo, Woon-Kyu Lee, Yang-Kyu Choi
The liver has marked regenerative capabilities, and numerous signaling pathways are involved in liver regeneration. The transforming growth factor-β (TGF-β)/Smad pathway, which is also involved in liver regeneration, regulates numerous biological processes. Krüppel-like factor 10 (KLF10) has been reported to activate the TGF-β/Smad signaling pathway; however, the exact functions of KLF10 under various pathophysiological conditions remain unclear. In the present study, the role of KLF10 in liver regeneration following partial hepatectomy (PH) was investigated using KLF10-knockout (KO) mice...
June 2017: Oncology Letters
https://www.readbyqxmd.com/read/28599485/mirna-34a-enhances-the-sensitivity-of-gastric-cancer-cells-to-treatment-with-paclitaxel-by-targeting-e2f5
#20
Lina Li, Cuiling Wu, Yue Zhao
Gastric cancer (GC) is one of the most common types of malignant cancer worldwide, however improvements are required to the current therapies for GC. Although paclitaxel is one of the most promising chemotherapeutic agents in clinical use for GC, the resistance to paclitaxel that develops during treatment is a major obstacle to further treatments of GC. The present study reports that micro (mi) RNA-34a, a tumor suppressor in various types of cancer, may be an important regulator of chemoresistance in GC, as miRNA-34a mimics and inhibitors, enhance and inhibit the chemotherapeutic efficacy of paclitaxel, respectively...
June 2017: Oncology Letters
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