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Cancer Biology & Therapy

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https://www.readbyqxmd.com/read/29333953/the-irreversible-erbb1-2-4-inhibitor-neratinib-interacts-with-the-bcl-2-inhibitor-venetoclax-to-kill-mammary-cancer-cells
#1
Laurence Booth, Jane L Roberts, Francesca Avogadri-Connors, Richard E CutlerJr, Alshad S Lalani, Andrew Poklepovic, Paul Dent
The irreversible ERBB1/2/4 inhibitor, neratinib, down-regulates the expression of ERBB1/2/4 as well as the levels of MCL-1 and BCL-XL. Venetoclax (ABT199) is a BCL-2 inhibitor. At physiologic concentrations neratinib interacted in a synergistic fashion with venetoclax to kill HER2+ and TNBC mammary carcinoma cells. This was associated with the drug-combination: reducing the expression and phosphorylation of ERBB1/2/3; in an eIF2α-dependent fashion reducing the expression of MCL-1 and BCL-XL and increasing the expression of Beclin1 and ATG5; and increasing the activity of the ATM-AMPKα-ULK1 S317 pathway which was causal in the formation of toxic autophagosomes...
January 15, 2018: Cancer Biology & Therapy
https://www.readbyqxmd.com/read/29333945/remarkable-response-with-pembrolizumab-plus-albumin-bound-paclitaxel-in-2-cases-of-her2-positive-metastatic-breast-cancer-who-have-failed-to-multi-anti-her2-targeted-therapy
#2
Bian Li, Wang Tao, Zhang Shao-Hua, Q U Ze-Rui, Jin Fu-Quan, L I Fan, Jiang Ze-Fei
In clinical practice, one subgroup patients of breast cancer might have developed resistance to multi-anti-HER2 targeted drugs(trastuzumab,lapatinib and/or T-DM1) and can not benefit from the anti-HER2 targeted therapy continuously. We attempt to change the next therapic way for these patients.Two patients with metastatic breast cancer who have failed to multi-anti-HER2 targeted therapy were treated with pembrolizumab(2mg/Kg, day1) plus albumin-bound paclitaxel(125mg/m2, day1,8) every 3 weeks.CT evaluation and HER2 ECD test were performed every 2 cycles...
January 15, 2018: Cancer Biology & Therapy
https://www.readbyqxmd.com/read/29333942/six1-and-dach1-influence-the-proliferation-and-apoptosis-of-hepatocellular-carcinoma-through-regulating-p53
#3
Qi Cheng, Deng Ning, Jin Chen, Xue Li, Xiaoping Chen, Li Jiang
ABSTRACTS This research aimed to explore effects of SIX1 and DACH1 on hepatocellular carcinoma (HCC) cell proliferation, apoptosis and cell cycle. Fifty paired hepatocellular carcinoma tissues were screened for differentially expressed genes. SIX1 and DACH1 expressions were subjected to qRT-PCR and western blot in tumor tissues and cells. The knockdown efficiency of siRNAs and transfection efficiency of cDNAs and siRNAs were validated by qRT-PCR and western blot as well. Then colony formation assay and flow cytometry were applied to observe cell proliferation, cell apoptosis and cell cycle changes...
January 15, 2018: Cancer Biology & Therapy
https://www.readbyqxmd.com/read/29333940/expression-analysis-of-liver-specific-circulating-micrornas-in-hcv-induced-hepatocellular-carcinoma-in-egyptian-patients
#4
Lobna Mourad, Eman El-Ahwany, Mona Zoheiry, Hoda Abu-Taleb, Marwa Hassan, Amged Ouf, Ali Abdel Rahim, Moataz Hassan, Suher Zada
OBJECTIVES: Due to the absence of reliable and accurate biomarkers for the early detection of liver malignancy, circulating microRNAs have recently emerged as great candidates for prompt cancer identification. Therefore, the aim of this study was to investigate the potential of liver-specific circulating microRNAs as an accurate non-invasive diagnostic tool for early diagnosis of hepatitis C virus (HCV)-induced hepatocellular carcinoma (HCC). METHODOLOGY: A total of 165 patients were enrolled in this study and categorized into four main groups: 42 chronic hepatitis C (CHC) without cirrhosis, 45 CHC with cirrhosis (LC), 38 HCC with HCV patients, and 40 healthy controls...
January 15, 2018: Cancer Biology & Therapy
https://www.readbyqxmd.com/read/29333926/engrailed-1-overexpression-as-a-potential-prognostic-marker-in-quintuple-negative-breast-cancer
#5
Yu Jin Kim, Minjung Sung, Ensel Oh, Michael Van Vrancken, Ji-Young Song, Kyungsoo Jung, Yoon-La Choi
Triple-negative breast cancer (TNBC) is an aggressive breast cancer subtype characterized by poor patient prognosis and for which no targeted therapies are currently available. TNBC can be further categorized as either basal-like (BLBC) or quintuple-negative breast cancer (QNBC). In the present study, we aimed to identify novel molecular therapeutic targets for TNBC by analyzing the mRNA expression of TNBC-related genes in publicly available microarray data sets. We found that Engrailed 1 (EN1) was significantly overexpressed in TNBC...
January 15, 2018: Cancer Biology & Therapy
https://www.readbyqxmd.com/read/29333925/androgen-receptor-independent-prostate-cancer-an-emerging-clinical-entity
#6
Ilyas Sahin, Anthony E Mega, Benedito A Carneiro
Androgen deprivation therapy remains the backbone of prostate cancer treatment given its pivotal role in the pathogenesis of prostate cancer. The growing knowledge of androgen receptor-independent (i.e. AR-null) prostate cancer cells, however, might advance the treatment paradigm of prostate cancer particularly in castration resistance stage by targeting these pathways. Here, we examined the results of two recent studies, published in Cancer Cell by Bluemn and Shukla et al., and possible clinical impact of these studies in the near future in castration resistance prostate cancer...
January 15, 2018: Cancer Biology & Therapy
https://www.readbyqxmd.com/read/29333924/dynamic-mr-imaging-for-functional-vascularization-depends-on-tissue-factor-signaling-in-glioblastoma
#7
Xiao Chen, Tian Xie, Jingqin Fang, Wei Xue, Houyi Kang, Haipeng Tong, Yu Guo, Bo Zhang, Sumei Wang, Yizeng Yang, Weiguo Zhang
Glomeruloid vascular proliferation (GVP) is a diagnostic hallmark and links to aggressive behavior, therapy resistance and poor prognosis in glioblastoma (GBM). It lacks clinical approaches to predict and monitor its formation and dynamic change. Yet the mechanism of GVPs also remains largely unknown. Using an in situ GBM xenograft mouse model, combined clinical MRI images of pre-surgery tumor and pathological investigation, we demonstrated that the inhibition of tissue factor (TF) decreased GVPs in Mouse GBM xenograft model...
January 15, 2018: Cancer Biology & Therapy
https://www.readbyqxmd.com/read/29333921/targeting-brd4-proteins-suppresses-the-growth-of-nsclc-through-downregulation-of-eif4e-expression
#8
Zhongyuan Gao, Ting Yuan, Xiao Zhou, Ping Ni, Geng Sun, Ping Li, Zhixiang Cheng, Xuerong Wang
Lung cancer is the leading cause of cancer-related death worldwide. Bromodomain and extraterminal domain (BET) proteins act as epigenome readers for gene transcriptional regulation. Among BET family members, BRD4 was well studied, but for its mechanism in non-small cell lung carcinoma has not been elucidated. eIF4E regulates gene translation and has been proved to play an important role in the progression of lung cancer. In this study, we first confirmed that BET inhibitors JQ1 and I-BET151 suppressed the growth of NSCLCs, in parallel with downregulated eIF4E expression...
January 15, 2018: Cancer Biology & Therapy
https://www.readbyqxmd.com/read/29333916/cytoplasmic-collagen-xi%C3%AE-i-as-a-prognostic-biomarker-in-esophageal-squamous-cell-carcinoma
#9
Bohan Zhang, Cheng Zhang, Xuetao Yang, Yue Chen, Hongqi Zhang, Jingshu Liu, Qingchen Wu
Stromal/cytoplasmic collagen XIαI (COL11A1) has been highlighted in the process of neoplastic transformation, including epithelial mensenchymal transition (EMT), metastasis and invasiveness. In this study, we aim to illuminate the clinical significance and biological role of COL11A1 in esophageal squamous cell carcinoma (ESCC). Herein, we investigated COL11A1 expression in 16 pairs of ESCC and adjacent normal tissues by RT-PCR and western blotting analysis. Correlations of COL11A1 expression with clinicopathologic parameters and survival status were then determined by immunohistochemistry in 116 ESCC and 50 normal specimens...
January 15, 2018: Cancer Biology & Therapy
https://www.readbyqxmd.com/read/29333901/her2-positive-bilateral-metachronous-primary-breast-carcinoma-a-case-report
#10
Jinghao Yao, Jing Liu, Yawei Li, Yumei Li, Qiong Wu, Yan Yang
Human epidermal growth factor receptor 2 (HER2) positive is a unique molecular subtype of breast cancer (BC) characterized by high malignancy and poor prognosis. Bilateral primary breast cancer (BPBC) harboring HER2 gene amplification is available to be detected among the BC survivors due to the increasing use of anti-HER2 adjuvant therapy. However, owing to the paucity of cases reported, knowledge of treating HER2-positive BPBC patients including the clinical behavior, histopathologic characteristics, anti-HER2 therapeutic response and disease outcome are not fully understood...
January 15, 2018: Cancer Biology & Therapy
https://www.readbyqxmd.com/read/29313457/the-predictive-value-and-role-of-stromal-tumor-infiltrating-lymphocytes-in-pancreatic-ductal-adenocarcinoma-pdac
#11
Tao Lianyuan, Xiu Dianrong, Yuan Chunhui, Ma Zhaolai, Jiang Bin
Recently, increasing evidence has indicated that the presence of tumor infiltrating immune cells has shown predictive significance for many solid tumors. Present study was performed to evaluate the predictive value of stromal tumor-infiltrating lymphocytes (TILs) for the presence of liver metastasis and overall survival in PDAC (pancreatic ductal adenocarcinoma) patients after complete resection and to explore the potential role of lymphocytes in PDAC. A total of 155 resectable patients with PDAC were enrolled in our study...
January 9, 2018: Cancer Biology & Therapy
https://www.readbyqxmd.com/read/29303676/corrigendum
#12
(no author information available yet)
No abstract text is available yet for this article.
January 5, 2018: Cancer Biology & Therapy
https://www.readbyqxmd.com/read/29303414/expression-of-aromatase-in-tumor-related-stroma-is-associated-with-human-bladder-cancer-progression
#13
Shulin Wu, Jianheng Ye, Zongwei Wang, Sharron X Lin, Min Lu, Yingke Liang, Xuejin Zhu, Aria F Olumi, Wei-de Zhong, Chin-Lee Wu
Putative gender differences in bladder cancer (BCa) have been proposed to result from sex hormone influence. Aromatase is the key enzyme catalyzing the conversion of androgens to estrogens which may result in an intratumoral microenviroment with increased estrogen production. In this study, we investigated the expression pattern of aromatase and its association with BCa progression. Tissue samples from 88 BCa patients who underwent cystectomy were obtained. Using immunohistochemistry (IHC), expression of aromatase in tumor epithelium (TE) and tumor related stroma (TS) were evaluated separately, and the association of aromatase expression status with pathologic variables and overall survival (OS) outcome was examined...
January 5, 2018: Cancer Biology & Therapy
https://www.readbyqxmd.com/read/29303411/ube2c-promotes-rectal-carcinoma-via-mir-381
#14
Yan Zhang, Suli Tian, Xiaodong Li, Yanchao Ji, Zhongcheng Wang, Chang Liu
We aimed to characterize the expression pattern of UBE2C in rectal carcinoma and elucidate its fundamental involvement in rectal carcinoma biology. The relative expression of UBE2C in rectal carcinoma was determined by immunoblotting and QPCR. The cell viability was measured using CCK-8 assay. The anchorage-independent growth was evaluated with soft agar assay. Cell apoptosis was detected by Annexin V-PI staining. Invasion capacity was determined by transwell chamber. Tumor growth was monitored in xenograft mice model...
January 5, 2018: Cancer Biology & Therapy
https://www.readbyqxmd.com/read/29303406/eus-dating-with-laser-ablation-against-the-caudate-lobe-or-left-liver-tumors-a-win-win-proposition
#15
Tian'an Jiang, Guo Tian, Haiwei Bao, Fen Chen, Zhuang Deng, Ju Li, Weilu Chai
Endoscopic ultrasound (EUS) have been not only a diagnostic tool, but also available in interventional therapy, which often previously needed surgical approaches to achieve. The study aimed to evaluate the effectiveness and safety of EUS-guided Nd:YAG laser ablation in unresectable tumors of the caudate lobe and left liver. We discussed ten cases of the caudate lobe and left liver tumors underwent laser ablation with EUS guidance. And we also have reviewed previous publication of EUS-guided thermal ablation for liver tumors in several decade years...
January 5, 2018: Cancer Biology & Therapy
https://www.readbyqxmd.com/read/29303405/focal-adhesion-kinase-a-potential-therapeutic-target-for-pancreatic-cancer-and-malignant-pleural-mesothelioma
#16
Rajani Kanteti, Tamara Mirzapoiazova, Jacob J Riehm, Immanuel Dhanasingh, Bolot Mambetsariev, Jiale Wang, Prakash Kulkarni, Garima Kaushik, Parthasarathy Seshacharyulu, Moorthy P Ponnusamy, Hedy L Kindler, Mohd W Nasser, Surinder K Batra, Ravi Salgia
The non-receptor cytoplasmic tyrosine kinase, Focal Adhesion Kinase (FAK) is known to play a key role in a variety of normal and cancer cellular functions such as survival, proliferation, migration and invasion. It is highly active and overexpressed in various cancers including Pancreatic Ductal Adenocarcinoma (PDAC) and Malignant Pleural Mesothelioma (MPM). Here, initially, we demonstrate that FAK is overexpressed in both PDAC and MPM cell lines. Then we analyze effects of two small molecule inhibitors PF-573228, and PF-431396, which are dual specificity inhibitors of FAK and proline rich tyrosine kinase 2 (PYK2), as well as VS-6063, another small molecule inhibitor that specifically inhibits FAK but not PYK2 for cell growth, motility and invasion of PDAC and MPM cell lines...
January 5, 2018: Cancer Biology & Therapy
https://www.readbyqxmd.com/read/29293402/long-noncoding-rna-linp1-acts-as-an-oncogene-and-promotes-chemoresistance-in-breast-cancer
#17
Yiran Liang, Yaming Li, Xiaojin Song, Ning Zhang, Yuting Sang, Hanwen Zhang, Ying Liu, Bing Chen, Wenjing Zhao, Lijuan Wang, Renbo Guo, Zhigang Yu, Qifeng Yang
Recent studies have shown that long non-coding RNAs (lncRNAs) are involved in a number of biological processes; however, further study is still warranted to comprehensively reveal their functions. In this study, we showed that the lncRNA in non-homologous end joining (NHEJ) pathway 1 (LINP1) was related to breast cancer cell proliferation, metastasis and chemoresistance. Loss- and gain-of function studies were used to assess the role of LINP1 in promoting breast cancer progression. LINP1 knockdown mitigated breast cancer cell growth by inducing G1-phase cell cycle arrest and apoptosis...
January 2, 2018: Cancer Biology & Therapy
https://www.readbyqxmd.com/read/29293400/type-b-lactic-acidosis-an-uncommon-paraneoplastic-syndrome
#18
Ahsan Wahab, Kavitha Kesari, Susan J Smith, Yang Liu, Stefan K Barta
A 67-year-old male presented with anasarca and persistent non-pruritic rash of lower extremities. Physical examination was positive for subcutaneous edema with a non-blanching rash of abdomen and lower extremities. Labs showed leukocytosis, lymphocytosis, anemia and thrombocytopenia. He also had acute kidney injury and high anion gap (AG) metabolic acidosis with elevated lactic acid (11.3 mg/dL). Computerized tomography (CT) of abdomen and pelvis showed hepatosplenomegaly, ascites and abdominal lymphadenopathy...
January 2, 2018: Cancer Biology & Therapy
https://www.readbyqxmd.com/read/29281559/left-atrial-abnormality-laa-as-a-predictor-of-ibrutinib-associated-atrial-fibrillation-in-patients-with-chronic-lymphocytic-leukemia
#19
Anthony R Mato, Suparna Clasen, Peter Pickens, Lisa Gashonia, Joanna Rhodes, Jakub Svoboda, Mitchell Hughes, Chadi Nabhan, Naveed Ali, Stephen Schuster, Joseph Carver
Results from several recent studies in chronic lymphocytic leukemia (CLL) have demonstrated an association between ibrutinib exposure and the development of atrial fibrillation, estimated incidence of 11% with long-term follow up. This is a common cause of ibrutinib discontinuation. Risk factors for atrial fibrillation include advanced age, hypertension (HTN), mitral valve disease (MVD), left atrial remodeling, coronary artery disease (CAD) and risk factors for cardiovascular dysfunction We conducted a retrospective case control study using the presence of left atrial abnormality identified on pre-ibrutinib EKGs, defined as either (1) Lead II-bifed p wave, with 40 mcsec between peaks for ≥ 2...
December 27, 2017: Cancer Biology & Therapy
https://www.readbyqxmd.com/read/29281558/long-non-coding-rna-cebpa-as1-correlates-with-poor-prognosis-and-promotes-tumorigenesis-via-cebpa-bcl2-in-oral-squamous-cell-carcinoma
#20
Yan Guo, Yuji Ma, Xuanhao Hu, Rongbo Song, Li Zhu, Ming Zhong
Oral squamous cell carcinoma (OSCC) is one of the most aggressive and lethal malignancies affecting the head and neck region with a general 5-year survival rate about 50%. Long non-coding RNAs (lncRNAs) are believed to participate in diverse biological processes and are emerging as convenient and minimally invasive diagnostic/prognostic/therapeutic markers. The aim of this study was to explore CEBPA-AS1 role and mechanism in OSCC tumorigenesis. In this study, CEBPA-AS1 localized in the cytoplasm and the peri-nuclear cellular compartment functioning as a potential oncogene up-regulated in OSCC was correlated with poor differentiation, lymph node metastasis and high clinical stage, which made it considered to be a prognostic biomarker...
December 27, 2017: Cancer Biology & Therapy
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