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https://www.readbyqxmd.com/read/28212580/network-pharmacology-based-and-clinically-relevant-prediction-of-the-active-ingredients-and-potential-targets-of-chinese-herbs-in-metastatic-breast-cancer-patients
#1
Yu Mao, Jian Hao, Zi-Qi Jin, Yang-Yang Niu, Xue Yang, Dan Liu, Rui Cao, Xiong-Zhi Wu
Chinese Herbal Medicine (CHM) plays a significant role in breast cancer treatment. We conduct the study to ascertain the relative molecular targets of effective Chinese herbs in treating stage IV breast cancer.Survival benefit of CHM was verified by Kaplan-Meier method and Cox regression analysis. A bivariate correlation analysis was used to find and establish the effect of herbs in complex CHM formulas. A network pharmacological approach was adopted to explore the potential mechanisms of CHM.Patients in the CHM group had a median survival time of 55 months, which was longer than the 23 months of patients in the non-CHM group...
February 15, 2017: Oncotarget
https://www.readbyqxmd.com/read/28212537/itraconazole-exerts-its-anti-melanoma-effect-by-suppressing-hedgehog-wnt-and-pi3k-mtor-signaling-pathways
#2
Guanzhao Liang, Musang Liu, Qiong Wang, Yongnian Shen, Huan Mei, Dongmei Li, Weida Liu
Malignant melanoma is the deadliest form of all skin cancers. Itraconazole, a commonly used systemic antifungal drug, has been tested for its anti-tumor effects on basal cell carcinoma, prostate cancer, and non-small cell lung cancer. Whether itraconazole has any specific anti-tumor effect on melanoma remains unknown. However, the goal of this study is to investigate the effect of itraconazole on melanoma and to reveal some details of its underlying mechanism. In the in vivo xenograft mouse model, we find that itraconazole can inhibit melanoma growth and extend the survival of melanoma xenograft mice, compared to non-itraconazole-treated mice...
February 14, 2017: Oncotarget
https://www.readbyqxmd.com/read/28212532/long-non-coding-rna-ptenp1-functions-as-a-cerna-to-modulate-pten-level-by-decoying-mir-106b-and-mir-93-in-gastric-cancer
#3
Rupeng Zhang, Yuenan Guo, Zhenchi Ma, Gang Ma, Qiang Xue, Fangxuan Li, Liren Liu
Recent studies have shown that competing endogenous RNAs (ceRNAs) play an important role in the regulation of gene expression, and participate in a wide range of biological processes, including carcinogenesis. Long non-coding RNA PTENP1, the pseudogene of PTEN tumor suppressor, has been reported to exert its tumor suppressive function via modulation of PTEN expression in many malignancies. However, whether a PTENP1~miRNA~PTEN ceRNA network exists and how it functions in gastric cancer (GC) remains elusive. In order to identify and characterize the PTENP1~miRNA~PTEN ceRNA network in GC, we first determined PTENP1 levels in clinical GC samples and found that PTENP1 and PTEN were concurrently downregulated in these samples...
February 13, 2017: Oncotarget
https://www.readbyqxmd.com/read/28212429/the-p53-isoform-delta133p53%C3%A3-regulates-cancer-cell-apoptosis-in-a-rhob-dependent-manner
#4
Nikola Arsic, Alexandre Ho-Pun-Cheung, Crapez Evelyne, Eric Assenat, Marta Jarlier, Christelle Anguille, Manon Colard, Mikaël Pezet, Pierre Roux, Gilles Gadea
The TP53 gene plays essential roles in cancer. Conventionally, wild type (WT) p53 is thought to prevent cancer development and metastasis formation, while mutant p53 has transforming abilities. However, clinical studies failed to establish p53 mutation status as an unequivocal predictive or prognostic factor of cancer progression. The recent discovery of p53 isoforms that can differentially regulate cell cycle arrest and apoptosis suggests that their expression, rather than p53 mutations, could be a more clinically relevant biomarker in patients with cancer...
2017: PloS One
https://www.readbyqxmd.com/read/28212138/deep-learning-in-mammography-diagnostic-accuracy-of-a-multipurpose-image-analysis-software-in-the-detection-of-breast-cancer
#5
Anton S Becker, Magda Marcon, Soleen Ghafoor, Moritz C Wurnig, Thomas Frauenfelder, Andreas Boss
OBJECTIVES: The aim of this study was to evaluate the diagnostic accuracy of a multipurpose image analysis software based on deep learning with artificial neural networks for the detection of breast cancer in an independent, dual-center mammography data set. MATERIALS AND METHODS: In this retrospective, Health Insurance Portability and Accountability Act-compliant study, all patients undergoing mammography in 2012 at our institution were reviewed (n = 3228). All of their prior and follow-up mammographies from a time span of 7 years (2008-2015) were considered as a reference for clinical diagnosis...
February 16, 2017: Investigative Radiology
https://www.readbyqxmd.com/read/28212112/cancer-as-robust-intrinsic-state-shaped-by-evolution-a-key-issues-review
#6
Ruoshi Yuan, Xiaomei Zhu, Gaowei Wang, Site Li, Ping Ao
Cancer is a complex disease: its pathology cannot be properly understood in terms of independent players-genes, proteins, molecular pathways, or their simple combinations. This is similar to many-body physics of a condensed phase that many important properties are not determined by a single atom or molecule. The rapidly accumulating large 'omics' data also require a new mechanistic and global underpinning to organize for rationalizing cancer complexity. A unifying and quantitative theory was proposed by some of the present authors that cancer is a robust state formed by the endogenous molecular-cellular network, which is evolutionarily built for the developmental processes and physiological functions...
February 17, 2017: Reports on Progress in Physics
https://www.readbyqxmd.com/read/28211871/expression-level-is-a-key-determinant-of-e2f1-mediated-cell-fate
#7
Igor Shats, Michael Deng, Adam Davidovich, Carolyn Zhang, Jungeun S Kwon, Dinesh Manandhar, Raluca Gordân, Guang Yao, Lingchong You
The Rb/E2F network has a critical role in regulating cell cycle progression and cell fate decisions. It is dysfunctional in virtually all human cancers, because of genetic lesions that cause overexpression of activators, inactivation of repressors, or both. Paradoxically, the downstream target of this network, E2F1, is rarely strongly overexpressed in cancer. E2F1 can induce both proliferation and apoptosis but the factors governing these critical cell fate decisions remain unclear. Previous studies have focused on qualitative mechanisms such as differential cofactors, posttranslational modification or state of other signaling pathways as modifiers of the cell fate decisions downstream of E2F1 activation...
February 17, 2017: Cell Death and Differentiation
https://www.readbyqxmd.com/read/28211799/increased-expression-of-long-non-coding-rna-glidr-in-prostate-cancer
#8
Yingyi Zhang, Zhe Kong, Yalong Zhang, Wenhua Huang, Hai Wu, Xuechao Wan, Yao Li
Prostate cancer (PCa) was one of the most common cancers in males in China. Long non-coding RNAs (lncRNA), a class of non-coding RNAs with more than 200 nucleotides, played key roles in the progression of prostate cancer. GLIDR, a novel long intergenic ncRNA, was found to be upregulated in tumors compared to normal tissues by using publically databases. In the clinical validation cohort, our results showed GLIDR was significantly up-regulated in prostate cancer samples and cell lines. To explore the potential functions of the GLIDR, we constructed gene co-expression networks and applied GO analysis...
February 3, 2017: Cancer Biomarkers: Section A of Disease Markers
https://www.readbyqxmd.com/read/28211638/the-relationship-between-ovarian-function-and-ovarian-limited-dose-in-radiotherapy-postoperation-of-ovarian-transposition-in-young-patients-with-cervical-cancer
#9
Zhenhua Du, Hui Qu
In this study, the relationship between ovarian function and ovarian limited dose in radiotherapy was evaluated in young patients with cervical cancer who underwent ovarian transposition (Fig1B). Moreover, the novel ovarian dose limit for a better preservation of ovarian function in intensity-modulated radiation therapy (IMRT) was determined. We retrospectively analyzed data from 86 patients with cervical cancer who received radical hysterectomy and ovarian transposition from January 2013 to June 2015. In agreement with the National Comprehensive Cancer Network Guidelines (NCCN) for Cervical Cancer Version 2...
February 17, 2017: Cancer Medicine
https://www.readbyqxmd.com/read/28211524/epigenetic-and-genetic-dissections-of-uv-induced-global-gene-dysregulation-in-skin-cells-through-multi-omics-analyses
#10
Yao Shen, Milda Stanislauskas, Gen Li, Deyou Zheng, Liang Liu
To elucidate the complex molecular mechanisms underlying the adverse effects UV radiation (UVR) on skin homeostasis, we performed multi-omics studies to characterize UV-induced genetic and epigenetic changes. Human keratinocytes from a single donor treated with or without UVR were analyzed by RNA-seq, exome-seq, and H3K27ac ChIP-seq at 4 h and 72 h following UVR. Compared to the relatively moderate mutagenic effects of UVR, acute UV exposure induced substantial epigenomic and transcriptomic alterations, illuminating a previously underappreciated role of epigenomic and transcriptomic instability in skin pathogenesis...
February 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28210952/two-dechlorinated-chlordecone-derivatives-formed-by-in-situ-chemical-reduction-are-devoid-of-genotoxicity-and-mutagenicity-and-have-lower-proangiogenic-properties-compared-to-the-parent-compound
#11
Samuel Legeay, Pierre-André Billat, Nicolas Clere, Fabrice Nesslany, Sébastien Bristeau, Sébastien Faure, Christophe Mouvet
Chlordecone (CLD) is a chlorinated hydrocarbon insecticide, now classified as a persistent organic pollutant. Several studies have previously reported that chronic exposure to CLD leads to hepatotoxicity, neurotoxicity, raises early child development and pregnancy complications, and increases the risk of liver and prostate cancer. In situ chemical reduction (ISCR) has been identified as a possible way for the remediation of soils contaminated by CLD. In the present study, the objectives were (i) to evaluate the genotoxicity and the mutagenicity of two CLD metabolites formed by ISCR, CLD-5a-hydro, or CLD-5-hydro (5a- or 5- according to CAS nomenclature; CLD-1Cl) and tri-hydroCLD (CLD-3Cl), and (ii) to explore the angiogenic properties of these molecules...
February 16, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28210903/role-of-exchange-protein-directly-activated-by-camp-epac1-in-breast-cancer-cell-migration-and-apoptosis
#12
Naveen Kumar, Sonal Gupta, Surbhi Dabral, Shailja Singh, Seema Sehrawat
Despite the current progress in cancer research and therapy, breast cancer remains the leading cause of mortality among half a million women worldwide. Migration and invasion of cancer cells are associated with prevalent tumor metastasis as well as high mortality. Extensive studies have powerfully established the role of prototypic second messenger cAMP and its two ubiquitously expressed intracellular cAMP receptors namely the classic protein kinaseA/cAMP-dependent protein kinase (PKA) and the more recently discovered exchange protein directly activated by cAMP/cAMP-regulated guanine nucleotide exchange factor (EPAC/cAMP-GEF) in cell migration, cell cycle regulation, and cell death...
February 16, 2017: Molecular and Cellular Biochemistry
https://www.readbyqxmd.com/read/28210550/evaluating-the-performance-of-national-comprehensive-cancer-network-nccn-breast-and-ovarian-genetic-familial-high-risk-assessment-referral-criteria-for-breast-cancer-women-in-an-asian-surgical-breast-clinic
#13
Geok-Hoon Lim, Eillen Borje, John C Allen
BACKGROUND: Globally, resources for genomic services vary. Current National Comprehensive Cancer Network (NCCN) breast and ovarian genetic/familial high risk assessment criteria for further genetic risk evaluation are useful, but lack specificity for reliably excluding patients with low a priori risk. This may result in patient overload in lesser-equipped genetics clinics. Since we use Manchester and the Breast and Ovarian Analysis of Disease Incidence and Carrier Estimation Algorithm (BOADICEA) risk assessment models in our genetics clinic to determine whether genetic testing is warranted, we chose Manchester and BOADICEA as the reference standard to compare how the NCCN breast and ovarian genetic/familial high risk assessment criteria for further genetic risk evaluation performs against these two risk assessment models in referring breast cancer patients for genetic evaluation...
February 2017: Gland Surgery
https://www.readbyqxmd.com/read/28210267/mir-30-family-potentially-targeting-pi3k-siah2-predicted-interaction-network-represents-a-novel-putative-theranostic-panel-in-non-small-cell-lung-cancer
#14
Lawrence W C Chan, Fengfeng Wang, Fei Meng, Lili Wang, Sze Chuen Cesar Wong, Joseph S K Au, Sijun Yang, William C S Cho
Non-small cell lung cancer (NSCLC) comprises about 84% of all lung cancers. Many treatment options are available but the survival rate is still very low due to drug resistance. It has been found that phosphoinositide-3-kinase (PI3K) affects sensitivity to tyrosine kinase inhibitors (TKIs), including gefitinib and erlotinib. Expression level of seven in absentia homolog 2 (SIAH2), an E3 ubiquitin-protein ligase, is upregulated in NSCLC and correlated with tumor grade. However, the relationship between PI3K and SIAH2 remains unclear and therefore it is not known whether they can act as treatment co-targets and theranostic dual markers for overcoming TKI resistance...
2017: Frontiers in Genetics
https://www.readbyqxmd.com/read/28210093/mucosa-associated-lymphoid-tissue-lymphoma-with-unusual-18-f-fdg-hypermetabolism-arising-at-the-colorectal-anastomosis
#15
Na-Sha Zhang, Fang Shi, Li Kong, Hui Zhu
Mucosa-associated lymphoid tissue (MALT) lymphoma usually originates from the stomach and presents with low (18)F-fluorodeoxyglucose (FDG) avidity with average maximum standard uptake value of 3.6. Colorectal MALT lymphoma is a rare entity that contributes to 1.6% of all MALT lymphomas and < 0.2% of large intestinal malignancies. The case reported herein firstly revealed stage IIE MALT lymphoma with unexpected higher (18)F-FDG avidity of 18.9 arising at the colorectal anastomosis in a patient with a surgical history for sigmoid adenocarcinoma, which was strongly suspected as local recurrence before histopathological and immunohistochemical examinations...
January 21, 2017: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/28209975/the-attention-network-changes-in-breast-cancer-patients-receiving-neoadjuvant-chemotherapy-evidence-from-an-arterial-spin-labeling-perfusion-study
#16
Xingui Chen, Xiaoxuan He, Longxiang Tao, Huaidong Cheng, Jingjing Li, Jingjie Zhang, Bensheng Qiu, Yongqiang Yu, Kai Wang
To investigate the neural mechanisms underlying attention deficits that are related to neoadjuvant chemotherapy in combination with cerebral perfusion. Thirty one patients with breast cancer who were scheduled to receive neoadjuvant chemotherapy and 34 healthy control subjects were included. The patients completed two assessments of the attention network tasks (ANT), neuropsychological background tests, and the arterial spin labeling scan, which were performed before neoadjuvant chemotherapy and after completing chemotherapy...
February 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28209610/the-tumor-microenvironment-at-a-turning-point-knowledge-gained-over-the-last-decade-and-challenges-and-opportunities-ahead-a-white-paper-from-the-nci-tme-network
#17
Yves A DeClerck, Kenneth J Pienta, Elisa C Woodhouse, Dinah S Singer, Suresh Mohla
Over the past 10 years, the Tumor Microenvironment Network (TMEN), supported by the NCI (Bethesda, MD), has promoted collaborative research with the explicit goal of fostering multi-institutional and transdisciplinary groups that are capable of addressing complex issues involving the tumor microenvironment. The main goal of the TMEN was to generate novel information about the dynamic complexity of tumor-host interactions in different organ systems with emphasis on using human tissues and supplemented by experimental models...
February 16, 2017: Cancer Research
https://www.readbyqxmd.com/read/28208611/betulinic-acid-mediated-apoptosis-in-human-prostate-cancer-cells-involves-p53-and-nuclear-factor-kappa-b-nf-%C3%AE%C2%BAb-pathways
#18
Eswar Shankar, Ailin Zhang, Daniel Franco, Sanjay Gupta
Defects in p53 and nuclear factor-kappa B (NF-κB) signaling pathways are frequently observed in the initiation and development of various human malignancies, including prostate cancer. Clinical studies demonstrate higher expression of NF-κB/p65/RelA, NF-κB/p50/RelB, and cRel as well as downregulation of the p53 network in primary prostate cancer specimens and in metastatic tumors. Betulinic acid (BA), is a triterpenoid that has been reported to be an effective inducer of apoptosis through modification of several signaling pathways...
February 10, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28208565/re-financial-relationships-with-industry-among-national-comprehensive-cancer-network-guideline-authors
#19
David F Penson
No abstract text is available yet for this article.
March 2017: Journal of Urology
https://www.readbyqxmd.com/read/28208522/re-integrative-analyses-reveal-a-long-noncoding-rna-mediated-sponge-regulatory-network-in-prostate-cancer
#20
Anthony Atala
No abstract text is available yet for this article.
March 2017: Journal of Urology
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