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IGF-1 and cancer

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https://www.readbyqxmd.com/read/29144813/diagnosing-and-monitoring-endocrine-dysfunction-diabetes-and-obesity-in-a-cohort-of-adult-survivors-of-childhood-cancer
#1
Victoria Rollins Hudspeth, Stuart Harrison Gold, David Robert Clemmons
OBJECTIVE: 5-year survival for childhood cancer has increased to 80%, resulting in a growing population of adult survivors of childhood cancer (ASOCC). Long-term endocrine dysfunction is as high as 63% when screened in research protocols. The purpose of this study was to evaluate the prevalence of endocrine testing, endocrine dysfunction, diabetes, obesity, and endocrinologist visits outside of a research screening protocol. METHODS: Retrospective chart review was performed for 176 ASOCC who were diagnosed with cancer before age 18, followed at least 10 years, were now at least 18, and had survived to the time of chart review...
November 16, 2017: Endocrine Practice
https://www.readbyqxmd.com/read/29141853/the-effects-of-resistance-exercise-on-biomarkers-of-breast-cancer-prognosis-a-pooled-analysis-of-three-randomized-trials
#2
Kerri Winters-Stone, Lisa J Wood, Sydnee Stoyles, Nathan Dieckmann
BACKGROUND: Using a secondary data analysis from randomized controlled trials comparing one year of resistance exercise (N=109) to a placebo control condition (N=106) in postmenopausal, post-treatment breast cancer survivors, we investigated the influence of resistance training and changes in body composition on markers associated with cancer progression. METHODS: Measures included serum levels of insulin, IGF-1, IGFBP1-3, leptin, serum amyloid A (SAA), adiponectin, C-reactive protein (CRP), IL-1β, TNF-α, IL-6, and IL-8 and body composition (total, lean and fat mass in kg) by DXA at baseline, 6, and 12-months...
November 15, 2017: Cancer Epidemiology, Biomarkers & Prevention
https://www.readbyqxmd.com/read/29123408/the-matrix-metalloproteinase-and-insulin-like-growth-factor-system-in-oral-cancer-a-prospective-clinical-study
#3
Eik Schiegnitz, Peer W Kämmerer, Holger Schön, Christoph Gülle, Manfred Berres, Keyvan Sagheb, Bilal Al-Nawas
Aim: The absence of reliable single serum biomarkers for oral premalignant lesion (OPL) and oral squamous cell carcinoma (OSCC) limits early diagnosis, monitoring of advanced disease, and prediction of prognosis. Methods: In this prospective study, serum levels of matrix metalloproteinase (MMP)-2, MMP-3, MMP-13, insulin-like growth factor (IGF)-1, and IGF-binding protein (IGFBP)-3 were measured in 81 untreated OSCC patients, 49 healthy subjects, and 75 individuals with OPLs, and correlated with clinicopathological parameters...
2017: OncoTargets and Therapy
https://www.readbyqxmd.com/read/29123263/nuclear-igf-1r-predicts-chemotherapy-and-targeted-therapy-resistance-in-metastatic-colorectal-cancer
#4
Jordi Codony-Servat, Miriam Cuatrecasas, Elena Asensio, Carla Montironi, Anna Martínez-Cardús, Mercedes Marín-Aguilera, Carlos Horndler, Eva Martínez-Balibrea, Michele Rubini, Pedro Jares, Oscar Reig, Iván Victoria, Lydia Gaba, Marta Martín-Richard, Vicente Alonso, Pilar Escudero, Carlos Fernández-Martos, Jaime Feliu, Jose Carlos Méndez, Miguel Méndez, Javier Gallego, Antonieta Salud, Federico Rojo, Antoni Castells, Aleix Prat, Rafael Rosell, Xabier García-Albéniz, Jordi Camps, Joan Maurel
BACKGROUND: Although chemotherapy is the cornerstone treatment for patients with metastatic colorectal cancer (mCRC), acquired chemoresistance is common and constitutes the main reason for treatment failure. Monoclonal antibodies against insulin-like growth factor-1 receptor (IGF-1R) have been tested in pre-treated mCRC patients, but results have been largely deceiving. METHODS: We analysed time to progression, overall survival, and the mutational status of RAS, BRAF and nuclear p-IGF-1R expression by immunohistochemistry, in 470 metastatic CRC patients...
November 9, 2017: British Journal of Cancer
https://www.readbyqxmd.com/read/29114882/a-comprehensive-analysis-of-polymorphic-variants-in-steroid-hormone-and-igf-1-metabolism-and-risk-of-in-situ-breast-cancer-results-from-the-breast-and-prostate-cancer-cohort-bpc3-consortium
#5
Myrto Barrdahl, Federico Canzian, Mia M Gaudet, Susan M Gapstur, Antonia Trichopoulou, Kostas Tsilidis, Carla H van Gils, Signe Borgquist, Elisabete Weiderpass, Kay-Tee Khaw, Graham G Giles, Roger L Milne, Loic Le Marchand, Christopher Haiman, Sara Lindström, Peter Kraft, David J Hunter, Regina Ziegler, Stephen J Chanock, Xiaohong R Yang, Julie E Buring, I-Min Lee, Rudolf Kaaks, Daniele Campa
We assessed the association between 1,414 single nucleotide polymorphisms (SNPs) in genes involved in synthesis and metabolism of steroid hormones and IGF-1, and risk of breast cancer in situ (BCIS), with the aim of determining whether any of these were disease specific. This was done using 1,062 BCIS cases and 10,126 controls as well as 6,113 invasive breast cancer cases from the Breast and Prostate Cancer Cohort Consortium (BPC3). Three SNPs showed at least one nominally significant association in homozygous minor versus homozygous major models...
November 7, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/29113314/glypican-3-induces-oncogenicity-by-preventing-igf-1r-degradation-a-process-that-can-be-blocked-by-grb10
#6
Wei Cheng, Po-Chun Huang, Hsiao-Mei Chao, Yung-Ming Jeng, Hey-Chi Hsu, Hung-Wei Pan, Wuh-Liang Hwu, Yu-May Lee
Hepatocellular carcinoma (HCC) is the most common primary liver malignancy and is a major cause of cancer-related death worldwide. Previously, we demonstrated that glypican-3 (GPC3) is highly expressed in HCC, and that GPC3 induces oncogenicity and promotes the growth of cancer cells through IGF-1 receptor (IGF-1R). In the present study, we investigated the mechanisms of GPC3-mediated enhancement of IGF-1R signaling. We demonstrated that GPC3 decreased IGF-1-induced IGF-1R ubiquitination and degradation and increased c-Myc protein levels...
October 6, 2017: Oncotarget
https://www.readbyqxmd.com/read/29112114/role-of-scaffold-protein-proline-glutamic-acid-and-leucine-rich-protein-1-pelp1-in-the-modulation-of-adrenocortical-cancer-cell-growth
#7
Arianna De Luca, Paola Avena, Rosa Sirianni, Adele Chimento, Francesco Fallo, Catia Pilon, Ivan Casaburi, Vincenzo Pezzi
PELP1 acts as an estrogen receptor (ER) coactivator that exerts an essential role in the ER's functions. ER coregulators have a critical role in the progression and response to hormonal treatment of estrogen-dependent tumors. We previously demonstrated that, in adrenocortical carcinoma (ACC), ERα is upregulated and that estradiol activates the IGF-II/IGF1R signaling pathways defining the role of this functional cross-talk in H295R ACC cell proliferation. The aim of this study was to determine if PELP1 is expressed in ACC and may play a role in promoting the interaction between ERα and IGF1R allowing the activation of pathways important for ACC cell growth...
November 7, 2017: Cells
https://www.readbyqxmd.com/read/29110119/metformin-synergistically-enhances-antitumor-activity-of-cisplatin-in-gallbladder-cancer-via-the-pi3k-akt-erk-pathway
#8
Tingting Bi, Ao Zhu, Xufeng Yang, Huiying Qiao, Jinmei Tang, Yan Liu, Rong Lv
Metformin (Met) is a widely used antidiabetic drug and has demonstrated interesting anticancer effects in various cancer models, alone or in combination with chemotherapeutic drugs. The aim of the present study is to investigate the synergistic effect of Met with cisplatin (Cis) on the tumor growth inhibition of gallbladder cancer cells (GBC-SD and SGC-996) and explore the underlying mechanism. Cells were treated with Met and/or Cis and subjected to cell viability, colony formation, apoptosis, cell cycle, western blotting, xenograft tumorigenicity assay and immunohistochemistry...
November 6, 2017: Cytotechnology
https://www.readbyqxmd.com/read/29108282/igf-iec-expression-is-increased-in-secondary-compared-to-primary-foci-in-neuroendocrine-neoplasms
#9
Krystallenia I Alexandraki, Anastassios Philippou, Georgios Boutzios, Irini Theohari, Michael Koutsilieris, Ioanna Kassiani Delladetsima, Gregory A Kaltsas
Different Insulin-like growth factor-I (IGF-I) mRNA transcripts are produced by alternative splicing and particularly the IGF-IEc isoform has been implicated in the development and/or progression of various types of cancer. In the present study, we examined the potential role of IGF-IEc expression as a new immunohistochemical marker of aggressiveness in neuroendocrine neoplasms (NENs). We utilized immunohistochemical analysis in tissue specimens of 47 patients with NENs, to evaluate the expression of IGF-IEc (%) and Ki-67 proliferation index (%)...
October 3, 2017: Oncotarget
https://www.readbyqxmd.com/read/29106990/white-light-emitting-diode-suppresses-proliferation-and-induces-apoptosis-in-hippocampal-neuron-cells-through-mitochondrial-cytochrome-c-oxydase-mediated-igf-1-and-tnf-%C3%AE-pathways
#10
Yang Yang, Yibo Zong, Qinwei Sun, Yimin Jia, Ruqian Zhao
Light emitting diode (LED) light has been tested to treat traumatic brain injury, neural degenerative diseases and psychiatric disorders. Previous studies indicate that blue LED light affects cell proliferation and apoptosis in photosensitive cells and cancer cells. In this study, we demonstrate that white LED light exposure impaired proliferation and induced apoptosis in HeLa and HT-22 hippocampal neural cells, but not C2C12 cells. Furthermore, the mechanisms underlying the effect of white LED light exposure on HT-22 cells were elucidated...
October 26, 2017: Free Radical Biology & Medicine
https://www.readbyqxmd.com/read/29074537/genetic-variants-in-metabolic-signaling-pathways-and-their-interaction-with-lifestyle-factors-on-breast-cancer-risk-a-random-survival-forest-analysis
#11
Su Yon Jung, Jeanette C Papp, Eric M Sobel, Zuo-Feng Zhang
Genetic variants in the insulin-like growth factor-I (IGF-I)/insulin resistance axis may interact with lifestyle factors, influencing postmenopausal breast cancer risk, but these interrelated pathways are not fully understood. In this study, we examined 54 single-nucleotide polymorphisms (SNPs) in genes related to IGF-I/insulin phenotypes and signaling pathways and lifestyle factors in relation to post-menopausal breast cancer, using data from 6,567 postmenopausal women in the Women's Health Initiative Harmonized and Imputed Genome-Wide Association Studies...
October 26, 2017: Cancer Prevention Research
https://www.readbyqxmd.com/read/29073599/combination-of-solamargine-and-metformin-strengthens-igfbp1-gene-expression-through-inactivation-of-stat3-and-reciprocal-interaction-between-foxo3a-and-sp1
#12
Qing Tang, Fang Zheng, JingJing Wu, Qian Xiao, Liuning Li, Swei Sunny Hann
BACKGROUND/AIMS: Solamargine, one natural photochemical component from traditional plants, has been shown to have anti-cancers properties. We previously showed that solamargine inhibited the growth of non-small-cell lung cancer (NSCLC) cells through suppression of prostaglandin E2 (PGE2) receptor EP4 gene and regulation of downstream signaling pathways. However, the detailed mechanism underlying this, especially in combination of metformin, a known AMPK activator, still remained to be determined...
October 27, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/29069776/the-crucial-role-of-srpk1-in-igf-1-induced-emt-of-human-gastric-cancer
#13
Hong Wang, Chunlei Wang, Wenling Tian, Yanfen Yao
In recent years, the insulin-like growth factor (IGF-1) and serine-arginine protein kinase 1 (SRPK1) have been reported to be implicated in the pithelial-mesenchymal transition (EMT) in many kinds of malignancies. However, the potential roles of IGF-1-SRPK1 signaling in the EMT of gastric cancer (GC) have not been investigated. In the present study, the in-vitro assays were used to investigate the molecular role of SRPK1 in cell cycle, motility and invasiveness. We demonstrated that the expressions of SRPK1 or insulin-like growth factor receptor 1 (IGF1R) were significantly increased in GC tissues and cells than those in normal tissues and GES-1 cells, and closely associated with metastasis, stage and prognosis...
September 22, 2017: Oncotarget
https://www.readbyqxmd.com/read/29054976/regulation-of-insulin-like-growth-factor-receptors-by-ubiquilin1
#14
Zimple Kurlawala, Rain Dunaway, Parag P Shah, Julie A Gosney, Leah J Siskind, Brian P Ceresa, Levi J Beverly
Insulin-like growth factor-1 receptor (IGF1R) is a receptor tyrosine kinase that mediates growth, proliferation and survival. Dysregulation of IGF pathway contributes to initiation, progression and metastasis of cancer and is also involved in diseases of glucose metabolism, such as Diabetes. We have identified Ubiquilin1 (UBQLN1) as a novel interaction partner of IGF1R, IGF2R and Insulin Receptor. UBQLN family of proteins have been studied primarily in the context of protein quality control and in the field of neurodegenerative disorders...
October 20, 2017: Biochemical Journal
https://www.readbyqxmd.com/read/29051069/procyanidins-from-cinnamomi-cortex-promote-proteasome-independent-degradation-of-nuclear-nrf2-through-phosphorylation-of-insulin-like-growth-factor-1-receptor-in-a549%C3%A2-cells
#15
Tomokazu Ohnuma, Kazuya Sakamoto, Asumi Shinoda, Chiaki Takagi, Shoko Ohno, Takahito Nishiyama, Kenichiro Ogura, Akira Hiratsuka
Many lines of evidence demonstrate that transcription factor nuclear factor-E2-related factor 2 (Nrf2) plays essential roles in cancer cell proliferation and resistance to chemotherapy, thereby indicating that suppression of abnormal Nrf2 activation is needed for a new therapeutic approach. Our previous studies reported that procyanidins prepared from Cinnamomi Cortex extract (CCE) have an ability to suppress cytoprotective enzymes and cell proliferation in human cancer cells with activated Nrf2. In the present study, we investigated the mechanism of CCE procyanidin-mediated antagonization of Nrf2...
October 16, 2017: Archives of Biochemistry and Biophysics
https://www.readbyqxmd.com/read/29038353/cell-cycle-dependent-expression-of-the-cck2-receptor-by-gastrointestinal-myofibroblasts-putative-role-in-determining-cell-migration
#16
Akos Varga, Jothi Dinesh Kumar, Alec W M Simpson, Steven Dodd, Peter Hegyi, Graham J Dockray, Andrea Varro
The well-known action of the gastric hormone gastrin in stimulating gastric acid secretion is mediated by activation of cholecystokinin-2 receptors (CCK2R). The latter are expressed by a variety of cell types suggesting that gastrin is implicated in multiple functions. During wound healing in the stomach CCK2R may be expressed by myofibroblasts. We have now characterized CCK2R expression in cultured myofibroblasts. Immunocytochemistry showed that a relatively small proportion (1-6%) of myofibroblasts expressed the receptor regardless of the region of the gut from which they were derived, or whether from cancer or control tissue...
October 2017: Physiological Reports
https://www.readbyqxmd.com/read/29036907/a-functional-interplay-between-igf-1-and-adiponectin
#17
REVIEW
Stefania Orrù, Ersilia Nigro, Annalisa Mandola, Andreina Alfieri, Pasqualina Buono, Aurora Daniele, Annamaria Mancini, Esther Imperlini
A functional relationship is suggested between two well-known protein hormones, insulin-like growth factor 1 (IGF-1) and adiponectin. In the last two decades in fact, different experimental evidence has indicated a non-random link between them. Here, we describe briefly the IGF-1 and adiponectin systems, and we then focus on their putative interplay in relation to several pathological conditions, including obesity, diabetes, insulin resistance, cardiovascular disease, and cancer. Although the existing studies are hardly comparable, they definitely indicate a functional connection between these two protein hormones...
October 14, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29029116/upregulation-of-irs1-enhances-igf1-response-in-y537s-and-d538g-esr1-mutant-breast-cancer-cells
#18
Zheqi Li, Kevin M Levine, Amir Bahreini, Peilu Wang, David Chu, Ben Ho Park, Steffi Oesterreich, Adrian V Lee
Increased evidence suggests that somatic mutations in the ligand binding domain of estrogen receptor (ERα/ESR1) are critical mediators of endocrine-resistant breast cancer progression. Insulin-like growth factor-1 (IGF1) is an essential regulator of breast development and tumorigenesis, and also has a role in endocrine resistance. A recent study showed enhanced crosstalk between IGF1 and ERα in ESR1 mutant cells, but detailed mechanisms are incompletely understood. Using genome-edited MCF-7 and T47D cell lines harboring Y537S and D538G ESR1 mutations, we characterized altered IGF1 signaling...
September 27, 2017: Endocrinology
https://www.readbyqxmd.com/read/29021621/protein-interaction-network-of-alternatively-spliced-nudcd1-isoforms
#19
Patrick Asselin-Mullen, Anaïs Chauvin, Marie-Line Dubois, Romain Drissi, Dominique Lévesque, François-Michel Boisvert
NudCD1, also known as CML66 or OVA66, is a protein initially identified as overexpressed in patients with chronic myelogenous leukemia. The mRNA of NudCD1 is expressed in heart and testis of normal tissues, and is overexpressed in several cancers. Previous studies have shown that the expression level of the protein correlates with tumoral phenotype, possibly interacting upstream of the Insulin Growth Factor - 1 Receptor (IGF-1R). The gene encoding the NudCD1 protein consists of 12 exons that can be alternative spliced, leading to the expression of three different isoforms...
October 11, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28989976/hematopoietic-stem-cell-derived-adipocytes-promote-tumor-growth-and-cancer-cell-migration
#20
Y Xiong, D L Russell, L T McDonald, L A Cowart, A C LaRue
Adipocytes, apart from their critical role as the energy storage depots, contribute to the composition of the tumor microenvironment. Our previous studies based on a single hematopoietic stem cell (HSC) transplantation model, have revealed a novel source of adipocytes from HSCs via monocyte/macrophage progenitors. Herein, we extend these studies to examine the role of HSC-derived adipocytes (HSC-Ad) in tumor progression. When cultured under adipogenic conditions, bone marrow-derived monocytic progenitors differentiated into adipocytes that accumulated oil droplets containing triglyceride...
2017: International Journal of Cancer Research and Molecular Mechanisms
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