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https://www.readbyqxmd.com/read/27909909/obesity-biomarkers-metabolism-and-risk-of-cancer-an-epidemiological-perspective
#1
Katharina Nimptsch, Tobias Pischon
Obesity is associated with metabolic alterations that may pose a biological link between body fatness and risk of cancer. Elucidating the role of obesity-related biomarkers in cancer development is essential for developing targeted strategies aiming at obesity-associated cancer prevention. Molecular epidemiological studies of the past decades have provided evidence that major hormonal pathways linking obesity and cancer risk include the insulin and insulin-like growth factor-1 (IGF-1) axis, sex-steroid hormones, adipokines and chronic low-grade inflammation...
2016: Recent Results in Cancer Research
https://www.readbyqxmd.com/read/27909903/obesity-and-kidney-cancer
#2
Kathryn M Wilson, Eunyoung Cho
Renal cell cancer (RCC) is the major type of kidney cancer with increasing incidence. Obesity is one of the well-established risk factors for RCC. Meta-analyses including multiple cohort and case-control studies have found a consistent positive association between obesity and RCC. The association appeared to be independent of other RCC risk factors including hypertension and has been often stronger in women, although a positive association has also been observed in men. Obesity has been largely measured as body mass index (BMI)...
2016: Recent Results in Cancer Research
https://www.readbyqxmd.com/read/27895663/mir-30a-5p-overexpression-may-overcome-egfr-inhibitor-resistance-through-regulating-pi3k-akt-signaling-pathway-in-non-small-cell-lung-cancer-cell-lines
#3
Fei Meng, Fengfeng Wang, Lili Wang, S C Cesar Wong, William C S Cho, Lawrence W C Chan
Lung cancer is one of the most common deadly diseases worldwide, most of which is non-small cell lung cancer (NSCLC). The epidermal growth factor receptor (EGFR) mutant NSCLCs frequently respond to the EGFR tyrosine kinase inhibitors (EGFR-TKIs) treatment, such as Gefitinib and Erlotinib, but the development of acquired resistance limits the utility. Multiple resistance mechanisms have been explored, e.g., the activation of alternative tyrosine kinase receptors (TKRs) sharing similar downstream pathways to EGFR...
2016: Frontiers in Genetics
https://www.readbyqxmd.com/read/27893412/molecular-mechanism-and-therapeutic-implications-of-selinexor-kpt-330-in-liposarcoma
#4
Manoj Garg, Deepika Kanojia, Anand Mayakonda, Jonathan W Said, Ngan B Doan, Wenwen Chien, Trivadi S Ganesan, Linda Shyue Huey Chuang, Nachiyappan Venkatachalam, Erkan Baloglu, Sharon Shacham, Michael Kauffman, H Phillip Koeffler
Exportin-1 mediates nuclear export of multiple tumor suppressor and growth regulatory proteins. Aberrant expression of exportin-1 is noted in human malignancies, resulting in cytoplasmic mislocalization of its target proteins. We investigated the efficacy of selinexor against liposarcoma cells both in vitro and in vivo. Exportin-1 was highly expressed in liposarcoma samples and cell lines as determined by immunohistochemistry, western blot, and immunofluorescence assay. Knockdown of endogenous exportin-1 inhibited proliferation of liposarcoma cells...
November 21, 2016: Oncotarget
https://www.readbyqxmd.com/read/27884723/ir-and-igf-1r-expression-affects-insulin-induced-proliferation-and-dna-damage
#5
Eman Maher Othman, Tahanee Altabaa, Henning Hintzsche, Helga Stopper
Diabetes mellitus type 2 is in its prediagnostic and early phase characterized by hyperinsulinemia. Previously, we pointed out hyperinsulinemia as a potential link between diabetes mellitus and the increased cancer risk that is associated with this disease through its induction of oxidative stress and DNA damage. In the present study, we address the relationship between the induction of proliferation and genomic damage in vitro in cell lines with different expression of the insulin and the IGF-1 receptors after treating the cells with insulin and the insulin analog glargine...
November 21, 2016: Toxicology in Vitro: An International Journal Published in Association with BIBRA
https://www.readbyqxmd.com/read/27881235/elucidating-the-role-of-the-foxo3a-transcription-factor-in-the-igf-1-induced-migration-and-invasion-of-uveal-melanoma-cancer-cells
#6
Fengxia Yan, Rifang Liao, Mohd Farhan, Tinghuai Wang, Jiashu Chen, Zhong Wang, Peter J Little, Wenhua Zheng
Uveal melanoma (UM) is the most common primary intraocular malignant tumor of adults. It has high mortality rate due to liver metastasis. However, the epidemiology and pathogenesis of liver metastasis in UM are not elucidated and there is no effective therapy available for preventing the development of this disease. IGF-1 is a growth factor involved in cell proliferation, malignant transformation and inhibition of apoptosis. In previous report, IGF-1 receptor was found to be highly expressed in UM and this was related to tumor prognosis...
November 20, 2016: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/27877053/synergistic-activity-of-vorinostat-combined-with-gefitinib-but-not-with-sorafenib-in-mutant-kras-human-non-small-cell-lung-cancers-and-hepatocarcinoma
#7
Victor Jeannot, Benoit Busser, Laetitia Vanwonterghem, Sophie Michallet, Sana Ferroudj, Murat Cokol, Jean-Luc Coll, Mehmet Ozturk, Amandine Hurbin
Development of drug resistance limits the efficacy of targeted therapies. Alternative approaches using different combinations of therapeutic agents to inhibit several pathways could be a more effective strategy for treating cancer. The effects of the approved epidermal growth factor receptor (EGFR)-tyrosine kinase inhibitor (gefitinib) or a multi-targeted kinase inhibitor (sorafenib) in combination with a histone deacetylase inhibitor (vorinostat) on cell proliferation, cell cycle distribution, apoptosis, and signaling pathway activation in human lung adenocarcinoma and hepatocarcinoma cells with wild-type EGFR and mutant KRAS were investigated...
2016: OncoTargets and Therapy
https://www.readbyqxmd.com/read/27875990/inverse-relationship-between-alzheimer-s-disease-and-cancer-and-other-factors-contributing-to-alzheimer-s-disease-a-systematic-review
#8
Ovais Shafi
BACKGROUND: The AD etiology is yet not properly known. Interactions among environmental factors, multiple susceptibility genes and aging, contribute to AD. This study investigates the factors that play role in causing AD and how changes in cellular pathways contribute to AD. METHODS: PUBMED database, MEDLINE database and Google Scholar were searched with no date restrictions for published articles involving cellular pathways with roles in cancers, cell survival, growth, proliferation, development, aging, and also contributing to Alzheimer's disease...
November 22, 2016: BMC Neurology
https://www.readbyqxmd.com/read/27875952/in-vitro-sensitivity-profiling-of-neuroblastoma-cells-against-a-comprehensive-small-molecule-kinase-inhibitor-library-to-identify-agents-for-future-therapeutic-studies
#9
Anjali Singh, Vanessa Meier-Stephenson, Aarthi Jayanthan, Aru Narendran
Solid tumors represent one of the most widespread causes of death in children across the world. Neuroblastoma (NB) constitutes about 8% of all childhood tumors, yet accounts for more than 15% of death, with an unacceptable overall survival rate. Despite the current multimodal therapeutic approaches involving surgery, radiation, chemotherapy with myeloablative therapy and hematopoietic stem cell rescue, there is growing realization of the limitations of conventional agents to improve the outcome in high risk metastatic disease...
November 22, 2016: Current Cancer Drug Targets
https://www.readbyqxmd.com/read/27870006/prediagnostic-circulating-concentrations-of-plasma-insulin-like-growth-factor-i-and-risk-of-lymphoma-in-the-european-prospective-investigation-into-cancer-and-nutrition
#10
Aurora Perez-Cornago, Paul N Appleby, Sarah Tipper, Timothy J Key, Naomi E Allen, Alexandra Nieters, Roel Vermeulen, Sandrine Roulland, Delphine Casabonne, Rudolf Kaaks, Renee T Fortner, Heiner Boeing, Antonia Trichopoulou, Carlo La Vecchia, Eleni Klinaki, Louise Hansen, Anne Tjønneland, Fabrice Bonnet, Guy Fagherazzi, Marie-Christine Boutron-Ruault, Valeria Pala, Giovanna Masala, Carlotta Sacerdote, Petra H Peeters, H Bas Bueno-de-Mesquita, Elisabete Weiderpass, Miren Dorronsoro, J Ramón Quirós, Aurelio Barricarte, Diana Gavrila, Antonio Agudo, Signe Borgquist, Ann H Rosendahl, Beatrice Melin, Nick Wareham, Kay-Tee Khaw, Marc Gunter, Elio Riboli, Paolo Vineis, Ruth C Travis
Insulin-like growth factor-I (IGF-I) has cancer promoting activities. However, the hypothesis that circulating IGF-I concentration is related to risk of lymphoma overall or its subtypes has not been examined prospectively. IGF-I concentration was measured in pre-diagnostic plasma samples from a nested case-control study of 1072 cases of lymphoid malignancies and 1072 individually matched controls from the European Prospective Investigation into Cancer and Nutrition. Odds ratios (ORs) and confidence intervals (CIs) for lymphoma were calculated using conditional logistic regression...
November 21, 2016: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/27861515/involvement-of-igf1r-in-bronchiolar-epithelial-regeneration-role-during-repair-kinetics-after-selective-club-cell-ablation
#11
Icíar P López, Sergio Piñeiro-Hermida, Rosete S Pais, Raquel Torrens, Andreas Hoeflich, José G Pichel
Regeneration of lung epithelium is vital for maintaining airway function and integrity. An imbalance between epithelial damage and repair is at the basis of numerous chronic lung diseases such as asthma, COPD, pulmonary fibrosis and lung cancer. IGF (Insulin-like Growth Factors) signaling has been associated with most of these respiratory pathologies, although their mechanisms of action in this tissue remain poorly understood. Expression profiles analyses of IGF system genes performed in mouse lung support their functional implication in pulmonary ontogeny...
2016: PloS One
https://www.readbyqxmd.com/read/27857021/effects-and-mechanisms-of-metformin-on-the-proliferation-of-esophageal-cancer-cells-in-vitro-and-in-vivo
#12
Jian-Cai Tang, Rui An, Yi-Qing Jiang, Jian Yang
Purpose: To observe the effects of metformin on human esophageal cancer cell, and to investigate its possible mechanisms. Materials and Methods: Cell viability was detected by using a cell counting kit-8(CCK-8), while cell cycle and apoptosis were assessed by flow cytometry and western blot was used to measure the expression of the related proteins. RNAi was used to knockout pyruvate kinase muscle isozyme 2 (PKM2). An Eca109 tumor model was established to evaluate the antitumor effect in vivo...
November 11, 2016: Cancer Research and Treatment: Official Journal of Korean Cancer Association
https://www.readbyqxmd.com/read/27849005/insulin-igf-signaling-affects-cell-transformation-in-the-balb-c-3t3-cell-model
#13
Doerte Poburski, Christiane Leovsky, Josefine Barbara Boerner, Luisa Szimmtenings, Michael Ristow, Michael Glei, René Thierbach
The increased cancer mortality of diabetes type 2 patients is most likely an evidence of the tight connection between tumor development and energy metabolism. A major focus of today's research is still the identification of key proteins of both diseases and the development of corresponding inhibitors. In this study we combined the two-stage BALB/c-3T3 cell transformation assay (BALB-CTA) with the IR/IGF-1R inhibitor OSI-906 (linsitinib) and analyzed alterations in protein activity and energy parameters in non-transformed as well as transformed cells...
November 16, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27835596/cd99-triggering-induces-methuosis-of-ewing-sarcoma-cells-through-igf-1r-ras-rac1-signaling
#14
Maria Cristina Manara, Mario Terracciano, Caterina Mancarella, Marika Sciandra, Clara Guerzoni, Michela Pasello, Andrea Grilli, Nicoletta Zini, Piero Picci, Mario P Colombo, Andrea Morrione, Katia Scotlandi
CD99 is a cell surface molecule that has emerged as a novel target for Ewing sarcoma (EWS), an aggressive pediatric bone cancer. This report provides the first evidence of methuosis in EWS, a non-apoptotic form of cell death induced by an antibody directed against the CD99 molecule. Upon mAb triggering, CD99 induces an IGF-1R/RAS/Rac1 complex, which is internalized into RAB5-positive endocytic vacuoles. This complex is then dissociated, with the IGF-1R recycling to the cell membrane while CD99 and RAS/Rac1 are sorted into immature LAMP-1-positive vacuoles, whose excessive accumulation provokes methuosis...
November 7, 2016: Oncotarget
https://www.readbyqxmd.com/read/27833172/cranberry-intervention-in-patients-with-prostate-cancer-prior-to-radical-prostatectomy-clinical-pathological-and-laboratory-findings
#15
Vladimir Student, Ales Vidlar, Jan Bouchal, Jana Vrbkova, Zdenek Kolar, Milan Kral, Pavel Kosina, Jitka Vostalova
BACKGROUND AND OBJECTIVES: Recently, we described an inverse association between cranberry supplementation and serum prostate specific antigen (PSA) in patients with negative biopsy for prostate cancer (PCa) and chronic nonbacterial prostatitis. This double blind placebo controlled study evaluates the effects of cranberry consumption on PSA values and other markers in men with PCa before radical prostatectomy. METHODS: Prior to surgery, 64 patients with prostate cancer were randomized to a cranberry or placebo group...
November 10, 2016: Biomedical Papers of the Medical Faculty of the University Palacký, Olomouc, Czechoslovakia
https://www.readbyqxmd.com/read/27831000/targeted-therapies-for-the-treatment-of-non-small-cell-lung-cancer-monoclonal-antibodies-and-biological-inhibitors
#16
Ana P S Silva, Priscila V Coelho, Maristella Anazetti, Patricia U Simioni
The usual treatments for patients with non-small-cell lung cancer (NSCLC), such as advanced lung adenocarcinoma, are unspecific and aggressive, and include lung resection, radiotherapy and chemotherapy. Recently, treatment with monoclonal antibodies and biological inhibitors has emerged as an effective alternative, generating effective results with few side effects. In recent years, several clinical trials using monoclonal antibodies presented potential benefits to NSCLC, and four of them are already approved for the treatment of NSCLC, such as cetuximab, bevacizumab, nivolumab and pembrolizumab...
November 10, 2016: Human Vaccines & Immunotherapeutics
https://www.readbyqxmd.com/read/27823741/insulin-growth-factor-igf-1-igf-binding-proteins-and-ovarian-cancer-risk-a-systematic-review-and-meta-analysis
#17
REVIEW
Ximena Gianuzzi, Gabriela Palma-Ardiles, Wendy Hernandez-Fernandez, Vinay Pasupuleti, Adrian V Hernandez, Faustino R Perez-Lopez
BACKGROUND: Insulin resistance (IR) has been implicated in carcinogenesis, but there is no consensus regarding its involvement in ovarian cancer. We performed a systematic review and meta-analysis to evaluate the association between IR and ovarian cancer. METHODS: Searches were conducted in five databases for studies evaluating IR markers (levels of serum insulin, C peptide, insulin growth factor [IGF] 1 and IGF-binding proteins [IGFBPs], homeostatic model assessment insulin resistance, and quantitative insulin-sensitivity check index) and ovarian cancer risk...
December 2016: Maturitas
https://www.readbyqxmd.com/read/27821486/heterogeneous-stromal-signaling-within-the-tumor-microenvironment-controls-the-metastasis-of-pancreatic-cancer
#18
Agnieszka A Rucki, Kelly Foley, Pingbo Zhang, Qian Xiao, Jennifer Kleponis, Annie Wu, Rajni Sharma, Guanglan Mo, Angen Liu, Jennifer Van Eyk, Elizabeth M Jaffee, Lei Zheng
Understanding how stromal signals regulate the development of pancreatic ductal adenocarcinoma (PDAC) may suggest novel therapeutic interventions in this disease. In this study, we assessed the metastatic role of stromal signals suggested to be important in the PDAC microenvironment. Src and IGF-1R phosphorylated the pro-metastatic molecule Annexin A2 (AnxA2) at Y23 and Y333 in response to stromal signals HGF and IGF-1, respectively, and IGF-1 expression was regulated by the Sonic Hedgehog (Shh) pathway. Both Shh and HGF were heterogeneously expressed in PDAC stroma, and only dual inhibition of these pathways could significantly suppress AnxA2 phosphorylation, PDAC growth and metastasis...
November 7, 2016: Cancer Research
https://www.readbyqxmd.com/read/27813495/lentivirus-mediated-rnai-knockdown-of-insulin-like-growth-factor-1-receptor-inhibits-the-growth-and-invasion-of-hepatocellular-carcinoma-via-down-regulating-midkine-expression
#19
Cai Qun Bie, Xu You Liu, Ming Rong Cao, Qiu Yan Huang, Hui Jun Tang, Min Wang, Guo Li Cao, Ting Zhuang Yi, Sheng Lan Wu, Wei Jie Xu, Shao Hui Tang
The insulin-like growth factor-1 receptor (IGF-1R) overexpression contributes to the development of a variety of cancers. The present study explored the role of IGF-1R in the development and progression of hepatocellular carcinoma (HCC) and the possibility of IGF-1R silencing by lentivirus-mediated RNA interference (RNAi) as a therapeutic target for HCC. We showed that IGF-1R mRNA was up-regulated in Huh7 and Hep3B cells and human HCC tissues, and that IGF-1R knockdown by RNAi led to decreased proliferation, apoptosis induction, and decreased migration and invasion of Huh7 and Hep3B cells...
November 2, 2016: Oncotarget
https://www.readbyqxmd.com/read/27809308/doxorubicin-attenuates-chip-guarded-hsf1-nuclear-translocation-and-protein-stability-to-trigger-igf-iir-dependent-cardiomyocyte-death
#20
Chih-Yang Huang, Wei-Wen Kuo, Jeng-Fan Lo, Tsung-Jung Ho, Pei-Ying Pai, Shu-Fen Chiang, Pei-Yu Chen, Fu-Jen Tsai, Chang-Hai Tsai, Chih-Yang Huang
Doxorubicin (DOX) is one of the most effective antitumor drugs, but its cardiotoxicity has been a major concern for its use in cancer therapy for decades. Although DOX-induced cardiotoxicity has been investigated, the underlying mechanisms responsible for this cardiotoxicity have not been completely elucidated. Here, we found that the insulin-like growth factor receptor II (IGF-IIR) apoptotic signaling pathway was responsible for DOX-induced cardiotoxicity via proteasome-mediated heat shock transcription factor 1 (HSF1) degradation...
November 3, 2016: Cell Death & Disease
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