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https://www.readbyqxmd.com/read/27823741/insulin-growth-factor-igf-1-igf-binding-proteins-and-ovarian-cancer-risk-a-systematic-review-and-meta-analysis
#1
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/27754854/hyperglycaemia-induced-resistance-to-docetaxel-is-negated-by-metformin-a-role-for-igfbp-2
#2
Kalina Biernacka, Raj A Persad, Amit Bahl, David Gillatt, Jeff M P Holly, Claire M Perks
The incidence of many common cancers varies between different populations and appears to be affected by a Western lifestyle. Highly proliferative malignant cells require sufficient levels of nutrients for their anabolic activity. Therefore targeting genes and pathways involved in metabolic pathways could yield future therapeutics. A common pathway implicated in energetic and nutritional requirements of a cell is the LKB1/AMPK pathway. Metformin is a widely studied anti-diabetic drug, which improves glycaemia in patients with type 2 diabetes via targeting this pathway...
October 17, 2016: Endocrine-related Cancer
https://www.readbyqxmd.com/read/27687550/a-to-i-rna-editing-of-the-igfbp7-transcript-increases-during-aging-in-porcine-brain-tissues
#3
Knud Larsen, Kaja Kjær Kristensen, Jamal Momeni, Leila Farajzadeh, Christian Bendixen
The IGFBP7 gene encodes insulin-like growth factor protein 7. IGFPB7 is involved in diverse biological functions including cell growth regulation, senescence and apoptosis, and also acts as a tumor suppressor in multiple cancers. The IGFBP7 mRNA is subject to A-to-I RNA editing mediated by adenosine deaminases acting on RNA 1 and 2 (ADAR1 and ADAR2). In the current study we have examined molecular characteristics of the porcine IGFBP7 gene, and determined the mRNA editing in different tissues. The A-to-I RNA editing of human IGFBP7 in positions Arg78 and Lys95 was shown to be conserved in the porcine homologue...
October 21, 2016: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/27681092/current-ideas-on-the-biology-of-igfbp-6-more-than-an-igf-ii-inhibitor
#4
Leon A Bach
IGFBP-6 binds IGF-II with higher affinity than IGF-I and it is a relatively specific inhibitor of IGF-II actions. More recently, IGFBP-6 has also been reported to have IGF-independent effects on cell proliferation, survival, differentiation and migration. IGFBP-6 binds to several ligands in the extracellular space, cytoplasm and nucleus. These interactions, together with activation of distinct intracellular signaling pathways, may contribute to its IGF-independent actions; for example, IGF-independent migration induced by IGFBP-6 involves interaction with prohibitin-2 and activation of MAP kinase pathways...
September 22, 2016: Growth Hormone & IGF Research
https://www.readbyqxmd.com/read/27644646/association-of-igfbp-6-expression-with-metabolic-syndrome-and-adiponectin-and-igf-ir-receptor-levels-in-colorectal-cancer
#5
Natalia V Yunusova, Liudmila V Spirina, Alena E Frolova, Sergey G Afanas'ev, Elena S Kolegova, Irina V Kondakova
PURPOSE: To assess IGFBP-6 expression in relation with the presence of the metabolic syndrome, adiponectin receptors (AdipoR1 and AdipoR2) and IGF-IR levels in colorectal adenocarcinoma cases. MATERIALS AND METHODS: IGFBP-6 mRNA and protein levels were analyzed using real-time quantitative PCR and Western blotting in 46 patients. ELISA and ow cytometry were used for evaluation of AdipoR1, AdipoR2 and IGF-IR. RESULTS: The results showed that IGFBP-6 mRNA expression and the IGFBP-6 content were higher in tumor tissue samples of colorectal cancer patients with and without the metabolic syndrome...
2016: Asian Pacific Journal of Cancer Prevention: APJCP
https://www.readbyqxmd.com/read/27631779/effects-of-high-order-interactions-among-igfbp-3-genetic-polymorphisms-body-mass-index-and-soy-isoflavone-intake-on-breast-cancer-susceptibility
#6
Qiong Wang, Li Liu, Hui Li, Ping Tao, Yana Qi, Jiayuan Li
BACKGROUND: Polymorphisms of IGF-1 and IGFBP-3 and environmental factors may work together to influence insulin-like growth factor (IGF) levels and thus breast cancer (BC) risk. However, very few studies have investigated high-order interactions among these variables. METHODS: A total of 277 newly diagnosed BC cases and 277 controls were recruited between October 2010 and July 2012. We collected each participant's demographic characteristics, dietary intake, and blood sample...
2016: PloS One
https://www.readbyqxmd.com/read/27629137/does-igf-1-play-a-role-in-the-biology-of-endometrial-cancer
#7
Dominika Majchrzak-Baczmańska, Andrzej Malinowski
Insulin-like growth factor 1 (IGF-1) is a mitogen which plays a key role in regulating cell proliferation, differentiation, and apoptosis. It belongs to the family of proteins also composed of insulin-like growth factor 2 (IGF-2), two types of membrane receptors (IGF-1R and IGF-2R), 6 binding proteins (IGFBP 1-6), hydrolyzing proteases, and reactive molecules binding proteins, which regulate the activity of growth factors. Disturbances in the functioning of IGFBP/IGF/1GF1R can lead to induction of carcinogenesis, which has been demonstrated in breast, prostate or colon cancers...
2016: Ginekologia Polska
https://www.readbyqxmd.com/read/27579675/identification-of-igfbp2-and-igfbp3-as-compensatory-biomarkers-for-ca19-9-in-early-stage-pancreatic-cancer-using-a-combination-of-antibody-based-and-lc-ms-ms-based-proteomics
#8
Toshihiro Yoneyama, Sumio Ohtsuki, Kazufumi Honda, Makoto Kobayashi, Motoki Iwasaki, Yasuo Uchida, Takuji Okusaka, Shoji Nakamori, Masashi Shimahara, Takaaki Ueno, Akihiko Tsuchida, Naohiro Sata, Tatsuya Ioka, Yohichi Yasunami, Tomoo Kosuge, Takashi Kaneda, Takao Kato, Kazuhiro Yagihara, Shigeyuki Fujita, Wilber Huang, Tesshi Yamada, Masanori Tachikawa, Tetsuya Terasaki
Pancreatic cancer is one of the most lethal tumors, and reliable detection of early-stage pancreatic cancer and risk diseases for pancreatic cancer is essential to improve the prognosis. As 260 genes were previously reported to be upregulated in invasive ductal adenocarcinoma of pancreas (IDACP) cells, quantification of the corresponding proteins in plasma might be useful for IDACP diagnosis. Therefore, the purpose of the present study was to identify plasma biomarkers for early detection of IDACP by using two proteomics strategies: antibody-based proteomics and liquid chromatography-tandem mass spectrometry (LC-MS/MS)-based proteomics...
2016: PloS One
https://www.readbyqxmd.com/read/27562357/the-insulin-like-growth-factor-system-is-modulated-by-exercise-in-breast-cancer-survivors-a-systematic-review-and-meta-analysis
#9
José Francisco Meneses-Echávez, Emilio González Jiménez, Jacqueline Schmidt Río-Valle, Jorge Enrique Correa-Bautista, Mikel Izquierdo, Robinson Ramírez-Vélez
BACKGROUND: Insulin-like growth factors (IGF´s) play a crucial role in controlling cancer cell proliferation, differentiation and apoptosis. Exercise has been postulated as an effective intervention in improving cancer-related outcomes and survival, although its effects on IGF´s are not well understood. This meta-analysis aimed to determine the effects of exercise in modulating IGF´s system in breast cancer survivors. METHODS: Databases of PuMed, EMBASE, Cochrane Central Register of Controlled Trials, EMBASE, ClinicalTrials...
2016: BMC Cancer
https://www.readbyqxmd.com/read/27528036/pregnancy-specific-glycoprotein-9-psg9-a-driver-for-colorectal-cancer-enhances-angiogenesis-via-activation-of-smad4
#10
Lei Yang, Shusheng Hu, Jinjing Tan, Xiaojing Zhang, Wen Yuan, Qian Wang, Lingling Xu, Jian Liu, Zheng Liu, Yanjun Jia, Xiaoxi Huang
PSG9 is a member of the pregnancy-specific glycoprotein (PSG) family and has been shown to contribute to the progression of colorectal cancer (CRC) and cancer-related angiogenesis. Here, we aim to investigate abnormal PSG9 levels in patients with CRC and to emphasize the role of PSG9 in driving tumorigenesis. Serum from 140 patients with CRC and 125 healthy controls as well as 74 paired tumors and adjacent normal tissue were used to determine PSG9 levels. We discovered that PSG9 was significantly increased in serum (P<0...
August 9, 2016: Oncotarget
https://www.readbyqxmd.com/read/27525640/decreased-levels-of-circulating-cancer-associated-protein-biomarkers-following-bariatric-surgery
#11
John Edward Farey, Oliver M Fisher, Angelique J Levert-Mignon, Patrice M Forner, Reginald V Lord
BACKGROUND: Epidemiological studies have identified obesity as a major risk factor for cancer in humans, and trials have demonstrated a significant reduction in the incidence of cancer after bariatric surgery. The rapidity of weight loss after bariatric surgery provides an opportunity to identify the molecular changes associated with effective obesity treatment. Indirectly, this may provide some insights into the mechanisms that drive the association between obesity and cancer. We sought to measure circulating cancer-associated proteins before and after laparoscopic sleeve gastrectomy (LSG)...
August 15, 2016: Obesity Surgery
https://www.readbyqxmd.com/read/27517291/ccn-family-of-proteins-critical-modulators-of-the-tumor-cell-microenvironment
#12
Herman Yeger, Bernard Perbal
The CCN family of proteins consisting of CCN1 (Cyr61), CCN2 (CTGF), CCN3 (NOV), CCN4 (WISP-1), CCN5 (WISP-2) and CCN6 (WISP-3) are considered matricellular proteins operating essentially in the extracellular microenvironment between cells. Evidence has also been gradually building since their first discovery of additional intracellular roles although the major activity is triggered at the cell membrane. The proteins consist of 4 motifs, a signal peptide (for secretion} followed consecutively by the IGFBP, VWC, TSP1 and CT (C-terminal cysteine knot domain) motifs, which signify their potential binding partners and functional connections to a variety of key regulators of physiological processes...
September 2016: Journal of Cell Communication and Signaling
https://www.readbyqxmd.com/read/27509024/exercise-activates-p53-and-negatively-regulates-igf-1-pathway-in-epidermis-within-a-skin-cancer-model
#13
Miao Yu, Brenee King, Emily Ewert, Xiaoyu Su, Nur Mardiyati, Zhihui Zhao, Weiqun Wang
Exercise has been previously reported to lower cancer risk through reducing circulating IGF-1 and IGF-1-dependent signaling in a mouse skin cancer model. This study aims to investigate the underlying mechanisms by which exercise may down-regulate the IGF-1 pathway via p53 and p53-related regulators in the skin epidermis. Female SENCAR mice were pair-fed an AIN-93 diet with or without 10-week treadmill exercise at 20 m/min, 60 min/day and 5 days/week. Animals were topically treated with TPA 2 hours before sacrifice and the target proteins in the epidermis were analyzed by both immunohistochemistry and Western blot...
2016: PloS One
https://www.readbyqxmd.com/read/27448965/insulin-like-growth-factor-binding-protein-3-links-obesity-and-breast-cancer-progression
#14
Tiffany Scully, Sue M Firth, Carolyn D Scott, Hasanthi C de Silva, John E Pintar, Tailoi Chan-Ling, Stephen M Twigg, Robert C Baxter
Obesity is associated epidemiologically with poor breast cancer prognosis, but the mechanisms remain unclear. Since IGF binding protein-3 (IGFBP-3) influences both breast cancer growth and adipocyte maturation, it may impact on how obesity promotes breast oncogenesis. This study investigated the role of endogenous IGFBP-3 on the development of obesity and subsequently on breast tumor growth. Wild-type (WT) C57BL/6 or IGFBP-3-null (BP3KO) mice were fed a high-fat diet (HFD) or control chow-diet for 15 weeks before orthotopic injection with syngeneic EO771 murine breast cancer cells...
July 18, 2016: Oncotarget
https://www.readbyqxmd.com/read/27430256/phase-ii-study-of-metformin-for-reduction-of-obesity-associated-breast-cancer-risk-a-randomized-controlled-trial-protocol
#15
Jessica A Martinez, Pavani Chalasani, Cynthia A Thomson, Denise Roe, Maria Altbach, Jean-Philippe Galons, Alison Stopeck, Patricia A Thompson, Diana Evelyn Villa-Guillen, H-H Sherry Chow
BACKGROUND: Two-thirds of U.S. adult women are overweight or obese. High body mass index (BMI) and adult weight gain are risk factors for a number of chronic diseases, including postmenopausal breast cancer. The higher postmenopausal breast cancer risk in women with elevated BMI is likely to be attributable to related metabolic disturbances including altered circulating sex steroid hormones and adipokines, elevated pro-inflammatory cytokines, and insulin resistance. Metformin is a widely used antidiabetic drug that has demonstrated favorable effects on metabolic disturbances and as such may lead to lower breast cancer risk in obese women...
2016: BMC Cancer
https://www.readbyqxmd.com/read/27412171/insulin-like-growth-factor-2-the-oncogene-and-its-accomplices
#16
Sonja M Kessler, Johannes Haybaeck, Alexandra K Kiemer
The era of personalized medicine for cancer treatment has just begun opening up novel molecular targets improving cancer therapy. Members of the insulin-like growth factor 2 (IGF2) axis have been described to be altered and to have prognostic relevance in several different tumor identities. IGF2 belongs to the most complexly regulated growth factors known. As an imprinted gene it is controlled by epigenetic alterations. IGF2 mRNA binding proteins (IMPs/IGF2BPs) further regulate its translation. IGF2 activity is contained through IGF binding proteins (IGFBPs) and differential expression of the target receptors...
July 12, 2016: Current Pharmaceutical Design
https://www.readbyqxmd.com/read/27377812/igfbp-3-inhibits-wnt-signalling-in-metastatic-melanoma-cells
#17
Naspi Antimo, Zingariello Maria, Sancillo Laura, Panasiti Vincenzo, Polinari Dorina, Martella Marianna, Rosa Alba Rana, Londei Paola
In previous works, we showed that Insulin-like-Growth-Factor-Binding-Protein-3 (IGFBP-3), a tissue and circulating protein able to bind to IGFs, decreases drastically in the blood serum of patients with diffuse metastatic melanoma. In agreement with the clinical data, recombinant IGFBP-3 was found to inhibit the motility and invasiveness of cultured metastatic melanoma cells and to prevent growth of grafted melanomas in mice. The present work was aimed at identifying the signal transduction pathway underlying the anti-tumoral effects of IGFBP-3...
July 5, 2016: Molecular Carcinogenesis
https://www.readbyqxmd.com/read/27358591/expression-of-insulin-like-growth-factor-family-genes-in-clear-cell-renal-cell-carcinoma
#18
Ryszard Braczkowski, Michał Białożyt, Marta Plato, Urszula Mazurek, Bogumiła Braczkowska
AIM OF THE STUDY: Despite significant progress in the pathology of clear cell renal cell carcinoma (ccRCC), diagnostic and predictive factors of major importance have not been discovered. Some hopes are associated with insulin-like growth factors. The aim of the study was to compare the expression of genes for insulin-like growth factor family in tumours and in tissue of kidneys without cancer. MATERIAL AND METHODS: Fifty-two patients years with clear cell renal cell cancer were qualified to the study group; patients nephrectomised because of hydronephrosis were included in the control group...
2016: Contemporary Oncology Współczesna Onkologia
https://www.readbyqxmd.com/read/27329260/genomewide-meta-analysis-identifies-loci-associated-with-igf-i-and-igfbp-3-levels-with-impact-on-age-related-traits
#19
Alexander Teumer, Qibin Qi, Maria Nethander, Hugues Aschard, Stefania Bandinelli, Marian Beekman, Sonja I Berndt, Martin Bidlingmaier, Linda Broer, Anne Cappola, Gian Paolo Ceda, Stephen Chanock, Ming-Huei Chen, Tai C Chen, Yii-Der Ida Chen, Jonathan Chung, Fabiola Del Greco Miglianico, Joel Eriksson, Luigi Ferrucci, Nele Friedrich, Carsten Gnewuch, Mark O Goodarzi, Niels Grarup, Tingwei Guo, Elke Hammer, Richard B Hayes, Andrew A Hicks, Albert Hofman, Jeanine J Houwing-Duistermaat, Frank Hu, David J Hunter, Lise L Husemoen, Aaron Isaacs, Kevin B Jacobs, Joop A M J L Janssen, John-Olov Jansson, Nico Jehmlich, Simon Johnson, Anders Juul, Magnus Karlsson, Tuomas O Kilpelainen, Peter Kovacs, Peter Kraft, Chao Li, Allan Linneberg, Yongmei Liu, Ruth J F Loos, Mattias Lorentzon, Yingchang Lu, Marcello Maggio, Reedik Magi, James Meigs, Dan Mellström, Matthias Nauck, Anne B Newman, Michael N Pollak, Peter P Pramstaller, Inga Prokopenko, Bruce M Psaty, Martin Reincke, Eric B Rimm, Jerome I Rotter, Aude Saint Pierre, Claudia Schurmann, Sudha Seshadri, Klara Sjögren, P Eline Slagboom, Howard D Strickler, Michael Stumvoll, Yousin Suh, Qi Sun, Cuilin Zhang, Johan Svensson, Toshiko Tanaka, Archana Tare, Anke Tönjes, Hae-Won Uh, Cornelia M van Duijn, Diana van Heemst, Liesbeth Vandenput, Ramachandran S Vasan, Uwe Völker, Sara M Willems, Claes Ohlsson, Henri Wallaschofski, Robert C Kaplan
The growth hormone/insulin-like growth factor (IGF) axis can be manipulated in animal models to promote longevity, and IGF-related proteins including IGF-I and IGF-binding protein-3 (IGFBP-3) have also been implicated in risk of human diseases including cardiovascular diseases, diabetes, and cancer. Through genomewide association study of up to 30 884 adults of European ancestry from 21 studies, we confirmed and extended the list of previously identified loci associated with circulating IGF-I and IGFBP-3 concentrations (IGF1, IGFBP3, GCKR, TNS3, GHSR, FOXO3, ASXL2, NUBP2/IGFALS, SORCS2, and CELSR2)...
October 2016: Aging Cell
https://www.readbyqxmd.com/read/27313849/associations-of-serum-carotenoid-concentrations-and-fruit-or-vegetable-consumption-with-serum-insulin-like-growth-factor-igf-1-and-igf-binding-protein-3-concentrations-in-the-third-national-health-and-nutrition-examination-survey-nhanes-iii
#20
Anja Diener, Sabine Rohrmann
Dietary intervention may alter the insulin-like growth factor (IGF) system and thereby cancer risk. In a qualitative review, eleven of twenty studies showed a link between one or more carotenoids, vegetable or fruit intake and the IGF system, however, with partly contrary findings, such that no firm conclusion can be drawn. Therefore, we evaluated associations between serum carotenoid concentrations or the intake of fruits and vegetables with IGF-1, IGF binding protein (BP)-3 and their molar ratio (IGF-1:IGFBP-3) within the Third National Health and Nutrition Examination Survey (NHANES III, 1988-1994)...
2016: Journal of Nutritional Science
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