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Cancer Medicine

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https://read.qxmd.com/read/30773851/retinoblastoma-mutation-predicts-poor-outcomes-in-advanced-non-small-cell-lung-cancer
#1
Priyanka Bhateja, Michelle Chiu, Gary Wildey, Mary Beth Lipka, Pingfu Fu, Michael Chiu Lee Yang, Fatemeh Ardeshir-Larijani, Neelesh Sharma, Afshin Dowlati
The retinoblastoma gene (RB1) encodes the retinoblastoma (RB) pocket protein that plays an important role in cell cycle progression. Here we determine the frequency and prognostic significance of RB1 mutation in non small cell lung cancer (NSCLC), restricting inclusion to Stage III and IV patients with linked genomic and clinical data. The primary outcome was median overall survival (OS). We identified RB1 mutation in 8.2% of NSCLC patients. The median OS for wild-type (wt) RB1 was 28.3 months vs 8.3 months for mutant RB1 (Hazard Ratio = 2...
February 17, 2019: Cancer Medicine
https://read.qxmd.com/read/30767432/risk-of-recurrence-and-bleeding-in-patients-with-cancer-associated-venous-thromboembolism-treated-with-rivaroxaban-a-nationwide-cohort-study
#2
Mette Søgaard, Peter Brønnum Nielsen, Flemming Skjøth, Jette Nordstrøm Kjaeldgaard, Torben Bjerregaard Larsen
BACKGROUND: Rivaroxaban could be an attractive alternative to low molecular weight heparin for the treatment of cancer-associated venous thromboembolism (VTE) but the safety and effectiveness remain unclear. We examined risk of recurrent VTE and major bleeding associated with rivaroxaban treatment of cancer-associated VTE. METHODS: Through linkage of nationwide Danish registries, we identified all adults with cancer-associated VTE initiating treatment with rivaroxaban, 2012-2017...
February 14, 2019: Cancer Medicine
https://read.qxmd.com/read/30767431/differences-in-the-genomic-profiles-of-cell-free-dna-between-plasma-sputum-urine-and-tumor-tissue-in-advanced-nsclc
#3
Zhen Wu, Zhen Yang, Chun Sun Li, Wei Zhao, Zhi Xin Liang, Yu Dai, Qiang Zhu, Kai Ling Miao, Dong Hua Cui, Liang An Chen
Liquid biopsy has provided an efficient way for detection of gene alterations in advanced non-small-cell lung cancer (NSCLC). However, the correlation between systematic determination of somatic genomic alterations in liquid biopsy and tumor biopsy still remained unclear, and the concordance rate between cell-free DNA (cfDNA) and matched tumor tissue DNA needs to be increased. A prospective study was performed to detect differences in genetic profiles of cfDNA in sputum, plasma, urine, and tumor tissue from 50 advanced NSCLC patients in parallel by the same next-generation sequencing (NGS) platform...
February 14, 2019: Cancer Medicine
https://read.qxmd.com/read/30767430/the-clinical-implication-of-cd45ra-na%C3%A3-ve-t-cells-and-cd45ro-memory-t-cells-in-advanced-pancreatic-cancer-a-proxy-for-tumor-biology-and-outcome-prediction
#4
Junjie Hang, Junjie Huang, Siyuan Zhou, Lixia Wu, Yingwei Zhu, Lina Zhu, Hanyu Zhou, Kequn Xu, Hua Jiang, Xuguang Yang
Naïve and memory T cells play a pivotal role in solid tumor pathogenesis but their role in pancreatic cancer progression remains elusive. Thus, we aimed to investigate their clinical potential in advanced pancreatic cancer (APC). Flow cytometry was performed to evaluate the level of baseline peripheral naïve and memory T cells from 137 APC patients before receiving first-line chemotherapy. Interrelationships between naïve, memory T cells and clinicopathological variables were evaluated using Pearson's correlation...
February 14, 2019: Cancer Medicine
https://read.qxmd.com/read/30762300/real-world-outcomes-of-various-regimens-of-recombinant-human-endostatin-combined-with-chemotherapy-in-non-driver-gene-mutation-advanced-non-small-cell-lung-cancer
#5
Zhongtai Wang, Hui Zhang, Chunhua Zhou, Xiaoyan Long, Rui Guan, Nong Yang, Yongchang Zhang
AIMS: This real-world study is conducted to evaluate the efficacy and safety of recombinant human endostatin (rh-endostatin) combined with chemotherapy as first-line treatment for non-driver genes mutation non-small cell lung cancer (NSCLC) patients, and establish evidence-based optimal regimen for rh-endostatin. PATIENTS AND METHODS: Using propensity score matching (cut-off: 0.01), 88 patients were eligible for our study, 34 of which received platinum-based chemotherapy alone (chemotherapy group), 54 patients received platinum-based chemotherapy plus rh-endostatin (rh-endostatin group)...
February 14, 2019: Cancer Medicine
https://read.qxmd.com/read/30761775/comparison-of-breast-cancer-risk-factors-among-molecular-subtypes-a-case-only-study
#6
Liwen Zhang, Yubei Huang, Ziwei Feng, Xin Wang, Haixin Li, Fangfang Song, Luyang Liu, Junxian Li, Hong Zheng, Peishan Wang, Fengju Song, Kexin Chen
Epidemiological studies have a clear definition of the risk factors for breast cancer. However, it is unknown whether the distribution of these factors differs among breast cancer subtypes. We conducted a hospital-based case-only study consisting of 8067 breast cancer patients basing on the Tianjin Cohort of Breast Cancer Cases. Major breast cancer subtypes including luminal A, luminal B, human epidermal growth factor receptor 2 (HER2)-enriched and basal-like were defined by estrogen receptor, progesterone receptor, HER2, and Ki-67 status...
February 14, 2019: Cancer Medicine
https://read.qxmd.com/read/30761774/serum-folate-receptor-%C3%AE-sfr-in-ovarian-cancer-diagnosis-and-surveillance
#7
Batoul Farran, Samet Albayrak, Judith Abrams, Michael A Tainsky, Nancy K Levin, Robert Morris, Larry H Matherly, Manohar Ratnam, Ira Winer
Novelty and Impact Statement: Our findings suggest that soluble folate receptor (sFR) could be used in both the initial diagnosis and surveillance of patients with ovarian cancer. Our cohort constitutes one of the largest comparison groups for sFR analyzed so far. We have defined the background level of sFR using healthy volunteers. This is also the first study to prospectively follow patients in the surveillance setting to concurrently identify differential changes in tumor markers CA-125 and sFR.
February 13, 2019: Cancer Medicine
https://read.qxmd.com/read/30741481/daily-activity-mood-and-quality-of-life-in-colorectal-cancer-patients-with-chemotherapy-induced-peripheral-neuropathy-a-mediation-effect-analysis
#8
Ling-Chun Lu, Shiow-Luan Tsay, Sou-Yi Chang, Chung-Ming Chen, Chieh-Yu Liu
Chemotherapy-induced peripheral neuropathy (CIPN) with restriction of daily activity (RDA) was common consequence of oxaliplatin-based chemotherapy in colorectal cancer patients. CIPN with RDA and negative mood may impact the quality of life (QoL). However, the relationships among RDA, mood, and QoL remain unclear. This was a cross-sectional relative study in which four instruments were used: the Neuropathic Pain Symptom Inventory was used to measure the severity of CIPN; the Screening of Activity Limitation and Safety Awareness scale was used to evaluate RDA; the Profile of Mood States Short Form was used to assess negative mood; and the Functional Assessment Cancer Center Therapy-Colorectal scale version 4 was used to evaluate QoL...
February 11, 2019: Cancer Medicine
https://read.qxmd.com/read/30741477/docosapentaenoic-acid-and-lung-cancer-risk-a-mendelian-randomization-study
#9
Jiaqing Liu, Huaqiang Zhou, Yaxiong Zhang, Yan Huang, Wenfeng Fang, Yunpeng Yang, Shaodong Hong, Gang Chen, Shen Zhao, Xi Chen, Zhonghan Zhang, Jiayi Shen, Wei Xian, Jianhua Zhan, Yuanyuan Zhao, Xue Hou, Yuxiang Ma, Ting Zhou, Hongyun Zhao, Li Zhang
BACKGROUND: Observational studies have shown that excessive dietary fat may be associated with lung carcinogenesis. However, findings from previous studies are inconsistent and it remains unclear whether docosapentaenoic acid (DPA), a kind of polyunsaturated fatty acid, is linked to the risk of lung cancer. The aim of this study is to investigate the causal effect of DPA on lung cancer with Mendelian randomization (MR) method. METHODS: With a two-sample MR approach, we analyzed the summary data from the Cohorts for Heart and Aging Research in Genomic Epidemiology (CHARGE, 8866 individuals of European ancestry) Consortium and International Lung Cancer Consortium (ILCCO, 11 348 lung cancer cases and 15 861 controls; European ancestry) to assess the possible causal relationship of DPA on the risk of lung cancer...
February 11, 2019: Cancer Medicine
https://read.qxmd.com/read/30741466/combined-prognostic-value-of-the-cancer-stem-cell-markers-cd47-and-cd133-in-esophageal-squamous-cell-carcinoma
#10
Jian-Hua Wang, Shu-Ting Huang, Lan Zhang, Zi-Gang Liu, Rong-Xin Liang, Sen-Wei Jiang, Yi-Nan Jiang, Xing-Juan Yu, Yu-Chuan Jiang, Xi-Zhao Li, Pei-Fen Zhang, Zhe-Sheng Wen, Min Zheng
BACKGROUND: Treatments based on the inhibition of pivotal signals of cancer stem cells (CSCs) are on a promising track. Recent studies have shown that targeting CSCs with broader immune-based therapeutic methods, for example, the anti-CD47 treatment, may serve as a more potent strategy for eliminating these intractable cells. We aimed to explore the prognostic effects of CD47/CD133 and the potential therapeutic significance of CD47 in esophageal squamous cell carcinoma (ESCC). METHODS: Immunohistochemistry was employed to identify the characteristics of CD47 and CD133 in 26 pairs of tumor tissues and adjacent non-tumor tissues and 136 ESCC tissues...
February 11, 2019: Cancer Medicine
https://read.qxmd.com/read/30741461/mir-130a-3p-regulated-tgf-%C3%AE-1-induced-epithelial-mesenchymal-transition-depends-on-smad4-in-ec-1-cells
#11
Xiaokang Tian, Qian Fei, Mingyu Du, Hongming Zhu, Jinjun Ye, Luxi Qian, Zhiwei Lu, Wenjun Zhang, Yan Wang, Fanyu Peng, Jie Chen, Baoling Liu, Qian Li, Xia He, Li Yin
Metastasis and invasion are the primary causes of malignant progression in esophageal squamous cell carcinoma (ESCC). Epithelial-mesenchymal transition (EMT) is crucial step of acquisition of "stemness" properties in tumor cells. However, the mechanism of esophageal cancer metastasis remains unclear. This research was designed to explore the role and mechanism of SMAD4 and miR-130a-3p in the progression of transforming growth factor-β (TGF-β)-induced EMT in vivo and in vitro. The expression of miR-130a-3p in ESCC cell line and normal esophageal epithelial cell was determined by RT-qPCR...
February 11, 2019: Cancer Medicine
https://read.qxmd.com/read/30740919/the-average-relative-dose-intensity-of-r-chop-is-an-independent-factor-determining-favorable-overall-survival-in-diffuse-large-b-cell-lymphoma-patients
#12
Monika Długosz-Danecka, Sebastian Szmit, Tomasz Ogórka, Aleksander B Skotnicki, Wojciech Jurczak
The prognosis of diffuse large B-cell lymphoma (DLBCL) patients depends on lymphoma- and patient-related risk factors and is best estimated by the international prognostic index (IPI). The aim of the study was to determine whether the average relative dose intensity (ARDI) of an anthracycline-containing regimen could predict DLBCL outcome independently from the IPI. We analyzed 223 white Caucasian DLBCL patients who completed at least four cycles of first-line immunochemotherapy with rituximab, doxorubicin, cyclophosphamide, vincristine, and prednisone (R-CHOP)...
February 10, 2019: Cancer Medicine
https://read.qxmd.com/read/30740916/comparison-of-outcome-and-toxicity-of-postoperative-intensity-modulated-radiation-therapy-with-two-dimensional-radiotherapy-in-patients-with-soft-tissue-sarcoma-of-extremities-and-trunk
#13
Jianyang Wang, Yongwen Song, Xinfan Liu, Jing Jin, Weihu Wang, Zihao Yu, Yueping Liu, Ning Li, Hui Fang, Hua Ren, Yuan Tang, Yu Tang, Bo Chen, Ningning Lu, Shunan Qi, Shulian Wang, Yexiong Li
BACKGROUND: To compare the survival outcomes and late toxicities of postoperative intensity-modulated radiation therapy (IMRT) with two-dimensional radiotherapy (2D-RT) for patients with soft tissue sarcoma (STS) of extremities and trunk. METHODS: 274 consecutive patients with nonmetastatic STS of extremities and trunk treated with postoperative IMRT (n = 187) and 2D-RT (n = 87) were analyzed. Survival was calculated by using Kaplan-Meier method. Independent prognostic factors were identified using Cox stepwise regression analysis for variables with a P-value <0...
February 10, 2019: Cancer Medicine
https://read.qxmd.com/read/30740913/cd9-in-acute-myeloid-leukemia-prognostic-role-and-usefulness-to-target-leukemic-stem-cells
#14
Lucas Touzet, Florent Dumezy, Christophe Roumier, Céline Berthon, Claire Bories, Bruno Quesnel, Claude Preudhomme, Thomas Boyer
CD9 is a cell surface protein and belongs to the tetraspanin family. Its role in carcinomagenesis has been widely studied in solid tumors but remains controversial, depending on the cancer type. Although CD9 seems to be associated with unfavorable outcome and disease progression in acute lymphoblastic leukemia (ALL), this marker has not yet been studied in acute myeloid leukemia (AML). First, we explored its prognostic role and its association with biological factors in a cohort of 112 AML patients treated with intensive chemotherapy...
February 10, 2019: Cancer Medicine
https://read.qxmd.com/read/30740911/isoalantolactone-inhibits-ikk%C3%AE-kinase-activity-to-interrupt-the-nf-%C3%AE%C2%BAb-cox-2-mediated-signaling-cascade-and-induces-apoptosis-regulated-by-the-mitochondrial-translocation-of-cofilin-in-glioblastoma
#15
Jin-Shan Xing, Xun Wang, Yu-Long Lan, Jia-Cheng Lou, Binbin Ma, Tingzhun Zhu, Hongqiang Zhang, Dongsheng Wang, Zhikuan Yu, Zhongbo Yuan, Xin-Yu Li, Bo Zhang
Isoalantolactone (IATL), a sesquiterpene lactone compound, possesses many pharmacological and biological activities, but its role in glioblastoma (GBM) treatment is still unknown. The aim of the current study was to investigate the antiglioma effects of IATL and to explore the underlying molecular mechanisms. In the current study, the biological functions of IATL were examined by MTT, cell migration, colony formation, and cell apoptosis assays. Confocal immunofluorescence techniques, chromatin immunoprecipitation, and pull-down assays were used to explore the precise underlying molecular mechanisms...
February 10, 2019: Cancer Medicine
https://read.qxmd.com/read/30740909/nr5a2-promotes-cancer-stem-cell-properties-and-tumorigenesis-in-nonsmall-cell-lung-cancer-by-regulating-nanog
#16
Ting Ye, Jingyuan Li, Zhiwei Sun, Yongli Liu, Liangsheng Kong, Shixia Zhou, Junlin Tang, Jianyu Wang, H Rosie Xing
Lung cancer has the highest mortality rate due to late diagnosis and high incidence of metastasis. Cancer stem cells (CSCs) are a subgroup of cancer cells with self-renewal capability similar to that of normal stem cells (NSCs). While CSCs may play an important role in cancer progression, mechanisms underlying CSC self-renewal and the relationship between self-renewal of the NSCs and CSCs remain elusive. The orphan nuclear receptor Nr5a2 is a transcriptional factor, and a regulator of stemness of embryonic stem cells and induced pluripotent stem cells...
February 10, 2019: Cancer Medicine
https://read.qxmd.com/read/30740907/primary-small-cell-carcinoma-of-the-esophagus-comparison-between-a-chinese-cohort-and-surveillance-epidemiology-and-end-results-seer-data
#17
Qin Xiao, Haifan Xiao, Shuyu Ouyang, Jinming Tang, Baihua Zhang, Hui Wang
BACKGROUND: The optimal standard treatment for primary small cell carcinoma of the esophagus (SCCE) remains undetermined. In this study, we conducted two areas of research on SCCE. First, we analyzed differences in SCCE characteristics between Chinese and U.S. PATIENTS: Second, we evaluated optimal treatment strategies for SCCE in the Chinese cohort. METHODS: Data from 137 Chinese SCCE patients collected from two cancer centers in China were compared with 385 SCCE patients registered in the U...
February 10, 2019: Cancer Medicine
https://read.qxmd.com/read/30740906/activation-of-ptgs2-nf-%C3%AE%C2%BAb-signaling-pathway-enhances-radiation-resistance-of-glioma
#18
Cheng Tan, Liang Liu, Xiaoyang Liu, Ling Qi, Weiyao Wang, Guifang Zhao, Libo Wang, Yimeng Dai
OBJECTIVE: We focused on the effects of PTGS2/NF-κB signaling pathway on the radiation resistance of glioma in the study. METHODS: We downloaded the microarray data from the Gene Expression Omnibus (GEO) database. We verified transfection successfully through QRT-PCR analysis. Immunofluorescence was used to detect γH2AX content under 2 Gy radiation. The survival rates of cells under 2 Gy irradiation were tested by clonogenic survival assay. Flow cytometry was used to detect cell cycle...
February 10, 2019: Cancer Medicine
https://read.qxmd.com/read/30735010/the-discovery-and-characterization-of-k-563-a-novel-inhibitor-of-the-keap1-nrf2-pathway-produced-by-streptomyces-sp
#19
Ran Hori, Kozo Yamaguchi, Hidetaka Sato, Miwa Watanabe, Kyoko Tsutsumi, Susumu Iwamoto, Masayuki Abe, Hideyuki Onodera, Satoshi Nakamura, Ryuichiro Nakai
Keap1/Nrf2 pathway regulates the antioxidant stress response, detoxification response, and energy metabolism. Previous reports found that aberrant Keap1/Nrf2 pathway activation due to Kelch-like ECH-associated protein 1 (Keap1) mutations or Nuclear factor E2-related factor 2 (Nrf2) mutations induced resistance of cancer cells to chemotherapy and accelerated cell growth via the supply of nutrients. Therefore, Keap1/Nrf2 pathway activation is associated with a poor prognosis in many cancers. These previous findings suggested that inhibition of Keap1/Nrf2 pathway could be a target for anti-cancer therapies...
February 8, 2019: Cancer Medicine
https://read.qxmd.com/read/30735009/prognostic-significance-of-mast-cell-and-microvascular-densities-in-malignant-peripheral-nerve-sheath-tumor-with-and-without-neurofibromatosis-type-1
#20
Roberto André Torres de Vasconcelos, Pedro Guimarães Coscarelli, Thyago Marsicano Vieira, Washington Silva Noguera, Davy Carlos Mendes Rapozo, Marcus André Acioly
Malignant peripheral nerve sheath tumors (MPNSTs) are rare and aggressive soft tissue sarcomas with a significant susceptibility to metastasize early in their course. Pathogenesis is yet to be fully elucidated. Recently, the essential role of mast cells in the tumor onset of neurofibromatosis type 1 (NF1)-associated neurofibromas and MPNSTs was confirmed in both experimental and human studies. In this study, we investigate mast cell density (MCD), microvascular density (MVD), and proliferation index (Ki-67) in MPNST...
February 8, 2019: Cancer Medicine
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