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Seminars in Cancer Biology

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https://www.readbyqxmd.com/read/27894849/a-global-view-of-regulatory-networks-in-lung-cancer-an-approach-to-understand-homogeneity-and-heterogeneity
#1
REVIEW
Jiapei Lu, William Wang, Menglin Xu, Yuping Li, Chengshui Chen, Xiangdong Wang
A number of new biotechnologies are used to identify potential biomarkers for the early detection of lung cancer, enabling a personalized therapy to be developed in response. The combinatorial cross-regulation of hundreds of biological function-specific transcription factors (TFs) is defined as the understanding of regulatory networks of molecules within the cell. Here we integrated global databases with 537 patients with lung adenocarcinoma (ADC), 140 with lung squamous carcinoma (SCC), 9 with lung large-cell carcinoma (LCC), 56 with small-cell lung cancer (SCLC), and 590 without cancer with the understanding of TF functions...
November 25, 2016: Seminars in Cancer Biology
https://www.readbyqxmd.com/read/27867044/mitochondrial-dysfunction-in-cancer-chemoprevention-by-phytochemicals-from-dietary-and-medicinal-plants
#2
REVIEW
Anuradha Sehrawat, Ruchi Roy, Subrata K Pore, Eun-Ryeong Hahm, Suman K Samanta, Krishna B Singh, Su-Hyeong Kim, Kamayani Singh, Shivendra V Singh
Cancer chemoprevention, a scientific term coined by Dr. Sporn in the late seventies, implies use of natural or synthetic chemicals to block, delay or reverse carcinogenesis. Phytochemicals derived from edible and medicinal plants have been studied rather extensively for cancer chemoprevention using preclinical models in the past few decades. Nevertheless, some of these agents (e.g., isothiocyanates from cruciferous vegetables like broccoli and watercress) have already entered into clinical investigations. Examples of widely studied and highly promising phytochemicals from edible and medicinal plants include cruciferous vegetables constituents (phenethyl isothiocyanate, benzyl isothiocyanate, and sulforaphane), withaferin A (WA) derived from a medicinal plant (Withania somnifera) used heavily in Asia, and an oriental medicine plant component honokiol (HNK)...
November 17, 2016: Seminars in Cancer Biology
https://www.readbyqxmd.com/read/27865897/enigmas-in-tumor-resistance-to-kinase-inhibitors-and-calculation-of-the-drug-resistance-index-for-cancer-dric
#3
REVIEW
C I Edvard Smith
Darwinian selection is also applicable when antibiotics, the immune system or other host factors shape the repertoire of microorganisms, and similarly, clonal selection is the hallmark of tumor evolution. The ongoing revolution in new anti-cancer treatment modalities, combined with an unprecedented precision in characterizing malignant clones at the level below one percent, profoundly improves the understanding of repertoire-tuning mechanisms. There is no fundamental difference between selection of the tumor cells in the presence, or absence, of therapy...
November 16, 2016: Seminars in Cancer Biology
https://www.readbyqxmd.com/read/27845189/genome-analyses-identify-the-genetic-modification-of-lung-cancer-subtypes
#4
REVIEW
Yong Zhang, Diane C Wang, Lin Shi, Bijun Zhu, Zhihui Min, Jianjun Jin
Lung cancer is a highly intricate and heterogeneous disease with genomic diversity in each subtype. Global analyses of gene expression and sequencing provided us new understanding of the genetic variation between small cell lung carcinoma (SCLC) and non-small cell lung carcinoma (NSCLC), including adenocarcinoma (ADC), and squamous cell carcinoma (SCC). The genetic variations of lung cancer subtypes in genomic studies were integrated and further analyzed using bioinformatics methods. The lung cancer subtypes share some genetic variations such as the dysfunction of tumor suppressor gene TP53, and also harbor specific variations of their own such as MET in ADC, FGFR1 and FGFR3 in SCC and MYC in SCLC...
November 11, 2016: Seminars in Cancer Biology
https://www.readbyqxmd.com/read/27840279/regulatory-roles-of-epigenetic-modulators-modifiers-and-mediators-in-lung-cancer
#5
REVIEW
Lin Shi, Minghuan Zheng, Jiayuan Hou, Bijun Zhu, Xiangdong Wang
Lung cancer as the leading cause of cancer-related deaths can be initiated and progressed by the interaction between dynamically genetic and epigenetic elements, although mechanisms mediating lung cancer development and progression remain unclear. Tumor progenitor genes may contribute to lung carcinogenesis and cancer progression, are epigenetically disrupted at the early stages of malignancies even before mutations, and alter cell differentiation throughout tumor evolution. The present review explores potential roles and mechanisms of epigenetic modulators, modifiers and mediators in the development of lung cancer...
November 10, 2016: Seminars in Cancer Biology
https://www.readbyqxmd.com/read/27840278/roles-of-tumor-heterogeneity-in-the-development-of-drug-resistance-a-call-for-precision-therapy
#6
REVIEW
Duojiao Wu, Diane C Wang, Yunfeng Cheng, Mengjia Qian, Miaomiao Zhang, Qi Shen, Xiangdong Wang
The drug resistance limits the optimal efficacy of drugs during target therapies for lung cancer and requires the development of precision medicine to identify and develop new highly selective drugs and more precise tailoring of medicine to the target population. Lung cancer heterogeneity as a potential cause of drug resistance to targeted therapy may foster tumor evolution and adaptation and fade personalized-medicine strategies. The present review elucidates the influence of tumor heterogeneity on drug efficacy and resistance, and discusses potential strategies to combat heterogeneity for cancer treatment...
November 10, 2016: Seminars in Cancer Biology
https://www.readbyqxmd.com/read/27840277/tomorrow-s-genome-medicine-in-lung-cancer
#7
REVIEW
Diane C Wang, Xiangdong Wang
Tomorrow's genome medicine in lung cancer should focus more on the homogeneity and heterogeneity of lung cancer which play an important role in the development of drug resistance, genetic complexity, as well as confusion and difficulty of early diagnosis and therapy. Chromosome positioning and repositioning may contribute to the sensitivity of lung cancer cells to therapy, the heterogeneity associated with drug resistance, and the mechanism of lung carcinogenesis. The CCCTC-binding factor plays critical roles in genome topology and function, increased risk of carcinogenicity, and potential of lung cancer-specific mediations...
November 10, 2016: Seminars in Cancer Biology
https://www.readbyqxmd.com/read/27840276/new-strategies-for-targeting-drug-combinations-to-overcome-mutation-driven-drug-resistance
#8
REVIEW
Linyan Wang, Haiyun Wang, Dongli Song, Menglin Xu, Michael Liebmen
Targeted therapies are suggested as an effective alternative for patients with cancer that harbor mutations, but treatment outcomes are frequently limited by primary or acquired drug resistance. The present review describes potential mechanisms of primary or acquired drug resistances to provide a resource for considering how to be overcome. We focus on strategies of targeted drug combinations to minimize the development of drug resistance within the context how resistance develops. Strategies benefit from the combined use of "omics" technologies, i...
November 10, 2016: Seminars in Cancer Biology
https://www.readbyqxmd.com/read/27840275/genomic-mechanisms-of-transformation-from-chronic-obstructive-pulmonary-disease-to-lung-cancer
#9
REVIEW
Diane C Wang, Lin Shi, Zhenhua Zhu, Danyan Gao, Yong Zhang
Genetic variations in COPD and lung cancer may be one of the molecular mechanisms responsible for COPD-lung cancer transformation. The present review highlights main genetic variations co-existed in COPD and lung cancer and integrates the varied genes into four molecular mechanisms, e.g. activated cell proliferation pathway, tumor suppressor and DNA repair gene dysfunction, chronic inflammatory microenvironment, and impaired immune response, by which COPD epithelial cells may be transformed into tumorigenic status...
November 10, 2016: Seminars in Cancer Biology
https://www.readbyqxmd.com/read/27639751/novel-biomarkers-in-cancer-the-whole-is-greater-than-the-sum-of-its-parts
#10
Timur R Samatov, Vladimir V Galatenko, Andreas Block, Maxim Yu Shkurnikov, Alexander G Tonevitsky, Udo Schumacher
The major issues hampering progress in the treatment of cancer patients are distant metastases and drug resistance to chemotherapy. Metastasis formation is a very complex process, and looking at gene signatures alone is not enough to get deep insight into it. This paper reviews traditional and novel approaches to identify gene signature biomarkers and intratumoural fluid pressure both as a novel way of creating predictive markers and as an obstacle to cancer therapy. Finally recently developed in vitro systems to predict the response of individual patient derived cancer explants to chemotherapy are discussed...
September 14, 2016: Seminars in Cancer Biology
https://www.readbyqxmd.com/read/27637426/alk-alterations-and-inhibition-in-lung-cancer
#11
Tri Le, David E Gerber
The advent of precision medicine in non-small cell lung cancer has remarkably altered the direction of research and improved clinical outcomes. The identification of molecular subsets with differential response to targeted therapies began with the identification of epidermal growth factor receptor mutated tumors in subsets of non-small cell lung cancer (NSCLC). Emboldened by unprecedented response rates to kinase inhibitors seen in that subset, the oncologic community searched for other molecular subsets featuring oncogene addiction...
September 13, 2016: Seminars in Cancer Biology
https://www.readbyqxmd.com/read/27609747/targeting-cancer-stem-cells-and-signaling-pathways-by-phytochemicals-novel-approach-for-breast-cancer-therapy
#12
Prasad R Dandawate, Dharmalingam Subramaniam, Roy A Jensen, Shrikant Anant
Breast cancer is the most common form of cancer diagnosed in women worldwide and the second leading cause of cancer-related deaths in the USA. Despite the development of newer diagnostic methods, selective as well as targeted chemotherapies and their combinations, surgery, hormonal therapy, radiotherapy, breast cancer recurrence, metastasis and drug resistance are still the major problems for breast cancer. Emerging evidence suggest the existence of cancer stem cells (CSCs), a population of cells with the capacity to self-renew, differentiate and be capable of initiating and sustaining tumor growth...
October 2016: Seminars in Cancer Biology
https://www.readbyqxmd.com/read/27565447/bioactive-natural-products-in-cancer-prevention-and-therapy-progress-and-promise
#13
Anupam Bishayee, Gautam Sethi
Natural products represent a rich source for the discovery and development of cancer preventive and anticancer drugs. Nearly, 80% of all drugs approved by the United States Food and Drug Administration during the last three decades for cancer therapy are either natural products per se or are based thereon, or mimicked natural products in one form or another. With the advent and refinement of new technologies, such as genetic techniques for production of secondary plant metabolites, combinatorial synthesis and high-throughput screening, it is expected that novel compounds from natural sources, including medicinal plants, would be identified and developed as safe and effective chemopreventive and anticancer drugs...
October 2016: Seminars in Cancer Biology
https://www.readbyqxmd.com/read/27546289/anti-inflammatory-effects-of-docosahexaenoic-acid-implications-for-its-cancer-chemopreventive-potential
#14
Hye-Won Yum, Hye-Kyung Na, Young-Joon Surh
The implication of inflammatory tissue damage in pathophysiology of human cancer as well as some metabolic disorders has been under intense investigation. Numerous studies have identified a series of critical signaling molecules involved in cellular responses to inflammatory stimuli. These include nuclear factor κB, peroxisome proliferator-activated receptor γ, nuclear factor erythroid 2 p45-related factor 2 and sterol regulatory element-binding protein 1. The proper regulation of these transcription factors mediating pro- and anti-inflammatory signaling hence provides an important strategy for the chemoprevention of inflammation-associated cancer...
October 2016: Seminars in Cancer Biology
https://www.readbyqxmd.com/read/27452666/promise-of-bitter-melon-momordica-charantia-bioactives-in-cancer-prevention-and-therapy
#15
REVIEW
Komal Raina, Dileep Kumar, Rajesh Agarwal
Recently, there is a paradigm shift that the whole food-derived components are not 'idle bystanders' but actively participate in modulating aberrant metabolic and signaling pathways in both healthy and diseased individuals. One such whole food from Cucurbitaceae family is 'bitter melon' (Momordica charantia, also called bitter gourd, balsam apple, etc.), which has gained an enormous attention in recent years as an alternative medicine in developed countries. The increased focus on bitter melon consumption could in part be due to several recent pre-clinical efficacy studies demonstrating bitter melon potential to target obesity/type II diabetes-associated metabolic aberrations as well as its pre-clinical anti-cancer efficacy against various malignancies...
October 2016: Seminars in Cancer Biology
https://www.readbyqxmd.com/read/27397504/food-based-natural-products-for-cancer-management-is-the-whole-greater-than-the-sum-of-the-parts
#16
REVIEW
Suleman S Hussain, Addanki P Kumar, Rita Ghosh
The rise in cancer incidence and mortality in developing countries together with the human and financial cost of current cancer therapy mandates a closer look at alternative ways to overcome this burgeoning global healthcare problem. Epidemiological evidence for the association between cancer and diet and the long latency of most cancer progression have led to active exploration of whole and isolated natural chemicals from different naturally occurring substances in various preclinical and clinical settings...
October 2016: Seminars in Cancer Biology
https://www.readbyqxmd.com/read/27370570/bioactive-natural-products-for-chemoprevention-and-treatment-of-castration-resistant-prostate-cancer
#17
REVIEW
Georgios Kallifatidis, James J Hoy, Bal L Lokeshwar
Prostate cancer (PCa), a hormonally-driven cancer, ranks first in incidence and second in cancer related mortality in men in most Western industrialized countries. Androgen and androgen receptor (AR) are the dominant modulators of PCa growth. Over the last two decades multiple advancements in screening, treatment, surveillance and palliative care of PCa have significantly increased quality of life and survival following diagnosis. However, over 20% of patients initially diagnosed with PCa still develop an aggressive and treatment-refractory disease...
October 2016: Seminars in Cancer Biology
https://www.readbyqxmd.com/read/27163728/exploring-the-molecular-targets-of-dietary-flavonoid-fisetin-in-cancer
#18
REVIEW
Deeba N Syed, Vaqar Mustafa Adhami, Naghma Khan, Mohammad Imran Khan, Hasan Mukhtar
The last few decades have seen a resurgence of interest among the scientific community in exploring the efficacy of natural compounds against various human cancers. Compounds of plant origin belonging to different groups such as alkaloids, flavonoids and polyphenols evaluated for their cancer preventive effects have yielded promising data, thereby offering a potential therapeutic alternative against this deadly disease. The flavonol fisetin (3,3',4',7-tetrahydroxyflavone), present in fruits and vegetables such as strawberries, apple, cucumber, persimmon, grape and onion, was shown to possess anti-microbial, anti-inflammatory, anti-oxidant and more significantly anti-carcinogenic activity when assessed in diverse cell culture and animal model systems...
October 2016: Seminars in Cancer Biology
https://www.readbyqxmd.com/read/27117759/dietary-phytochemicals-as-epigenetic-modifiers-in-cancer-promise-and-challenges
#19
REVIEW
Eswar Shankar, Rajnee Kanwal, Mario Candamo, Sanjay Gupta
The influence of diet and environment on human health has been known since ages. Plant-derived natural bioactive compounds (phytochemicals) have acquired an important role in human diet as potent antioxidants and cancer chemopreventive agents. In past few decades, the role of epigenetic alterations such as DNA methylation, histone modifications and non-coding RNAs in the regulation of mammalian genome have been comprehensively addressed. Although the effects of dietary phytochemicals on gene expression and signaling pathways have been widely studied in cancer, the impact of these dietary compounds on mammalian epigenome is rapidly emerging...
October 2016: Seminars in Cancer Biology
https://www.readbyqxmd.com/read/27019417/potential-of-neem-azadirachta-indica-l-for-prevention-and-treatment-of-oncologic-diseases
#20
Shradha M Patel, Kalyan C Nagulapalli Venkata, Piyali Bhattacharyya, Gautam Sethi, Anupam Bishayee
Throughout time, plants have often displayed medicinal properties that have been underscored. We often derive medicines involved in treating cancer from components in plants. Azadirachta indica, commonly known as "neem", has been used to treat different ailments in many Asian countries. Due to its widespread beneficial uses, A. indica has often been referred to as "the wonder tree" or "nature's drug store". Various parts of this plant, including, leaves, flowers, fruits, seeds, roots, bark and oil, produce a large number of phytochemicals with various biological and pharmacological activities...
October 2016: Seminars in Cancer Biology
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