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https://www.readbyqxmd.com/read/28977895/silencing-igfbp-2-decreases-pancreatic-cancer-metastasis-and-enhances-chemotherapeutic-sensitivity
#1
Huan Liu, Le Li, Hua Chen, Rui Kong, Shangha Pan, Jisheng Hu, Yongwei Wang, Yilong Li, Bei Sun
Pancreatic cancer has remained one of the most devastating and lethal malignancies characterized by local invasion, distant metastasis and a high degree of chemoresistance. Insulin-like growth factor binding protein 2 (IGFBP-2) is a member of the IGFBP family of proteins, and it is highly expressed in pancreatic cancer patients' serum and tumor tissues. IGFBP-2 also mediates tumor cell growth, invasion and resistance, while the mechanisms remain unclear. In this study, we sought to determine the impact of IGFBP-2 expression on pancreatic cancer tumorigenesis and metastasis in vitro and in vivo...
September 22, 2017: Oncotarget
https://www.readbyqxmd.com/read/28922541/effects-of-collagen-peptides-intake-on-skin-ageing-and-platelet-release-in-chronologically-aged-mice-revealed-by-cytokine-array-analysis
#2
Hongdong Song, Ling Zhang, Yongkang Luo, Siqi Zhang, Bo Li
Action mechanisms underlying various biological activities of collagen peptides (CPs) remained to be elucidated. Cytokines may play an important role in mediating these health benefits of CPs. This study aimed to systemically examine the cytokines in skin and blood regulated by CPs intake. Thirteen-month-old female Kunming mice were administered with CPs for 2 months (0 or 400 mg/kg bodyweight/day). The cytokines in skin and plasma were analysed using a 53-cytokine array and corresponding ELISA kits. In skin, CPs intake significantly down-regulated placenta growth factor (PIGF-2), insulin-like growth factor (IGF)-binding protein (IGFBP) -2 and IGFBP-3, and up-regulated platelet factor 4 (PF4), serpin E1 and transforming growth factor (TGF)-β1 ...
September 18, 2017: Journal of Cellular and Molecular Medicine
https://www.readbyqxmd.com/read/28911214/growth-regulation-by-estrogen-in-breast-cancer-1-greb1-is-a-novel-progesterone-responsive-gene-required-for-human-endometrial-stromal-decidualization
#3
Alison J Camden, Maria M Szwarc, Sangappa B Chadchan, Francesco J DeMayo, Bert W O'Malley, John P Lydon, Ramakrishna Kommagani
STUDY QUESTION: Is Growth Regulation by Estrogen in Breast Cancer 1 (GREB1) required for progesterone-driven endometrial stromal cell decidualization? SUMMARY ANSWER: GREB1 is a novel progesterone-responsive gene required for progesterone-driven human endometrial stromal cell (HESC) decidualization. WHAT IS KNOWN ALREADY: Successful establishment of pregnancy requires HESCs to transform from fibroblastic to epithelioid cells in a process called decidualization...
September 1, 2017: Molecular Human Reproduction
https://www.readbyqxmd.com/read/28900330/role-of-insulin-like-growth-factor-insulin-like-growth-factor-receptors-and-insulin-like-growth-factor-binding-proteins-in-ovarian-cancer
#4
REVIEW
Periyasamy Amutha, Thangarajan Rajkumar
Insulin and IGFs play an important role in cancer initiation and progression, including ovarian cancer (OC). Epithelial ovarian cancer (EOC) is the most frequent type of OC in women and it is the most lethal gynecological malignancy worldwide. Generally, insulin is associated with metabolism, whereas Insulin like growth factors (IGFs) are involved in cell proliferation. Hence, Insulin-like growth factor binding proteins (IGFBPs) determines the bioavailability of IGFs in circulation. The interplay between these molecules such as insulin, IGFs, IGFBPs and insulin-like growth factor receptor 1 (IGF1R) may be crucial for ovarian cancer cell biology and cancer progression...
April 2017: Indian Journal of Medical and Paediatric Oncology
https://www.readbyqxmd.com/read/28864349/insulin-like-growth-factor-binding-protein-1-igfbp-1-upregulated-by-helicobacter-pylori-and-is-associated-with-gastric-cancer-cells-migration
#5
Caifeng Luo, Fengying Sun, Hong Zhu, Ying Ni, Jian Fang, Yun Liu, Shihe Shao, Hongxing Shen, Jianpeng Hu
Insulin-like growth factor binding protein-1 (IGFBP-1), a secreted protein, implicated of various cells in mediating the proliferation, migration, invasion, adhesion, survival and so on. In this study, we assessed the expression and release of IGFBP-1 from gastric cancer cells with H. pylori 26695 infection and the biological functions of IGFBP-1 in gastric cancer cells. The results showed that the expression and release of IGFBP-1 were increased in gastric cancer cells (MGC-803, BGC-823, SGC-7901) infected with H...
August 25, 2017: Pathology, Research and Practice
https://www.readbyqxmd.com/read/28770169/investigation-of-metastasis-related-genes-a-rat-model-mimicking-liver-metastasis-of-colorectal-carcinoma
#6
REVIEW
Hassan Adwan, Rania Georges, Asim Pervaiz, Martin R Berger
Liver is the main target of colorectal cancer (CRC) metastasis. Currently, the number of reports is small, which describe changes in gene expression supporting liver metastasis. Here, a rat model was used for analyzing mRNA modulations during liver colonization and compared with available literature. In the model, CC531 rat CRC cells were injected via a mesenteric vein into isogenic WAG/Rij rats and re-isolated at early, intermediate, advanced, and terminal stages of liver colonization. These cells were used for RNA isolation...
2017: Frontiers in Oncology
https://www.readbyqxmd.com/read/28711919/silencing-igfbp-2-decreases-pancreatic-cancer-metastasis-and-enhances-chemotherapeutic-sensitivity
#7
Huan Liu, Le Li, Hua Chen, Rui Kong, Shangha Pan, Jisheng Hu, Yongwei Wang, Yilong Li, Bei Sun
Pancreatic cancer has remained one of the most devastating and lethal malignancies characterized by local invasion, distant metastasis and a high degree of chemoresistance. Insulin-like growth factor binding protein 2 (IGFBP-2) is a member of the IGFBP family of proteins, and it is highly expressed in pancreatic cancer patients' serum and tumor tissues. IGFBP-2 also mediates tumor cell growth, invasion and resistance, while the mechanisms remain unclear. In this study, we sought to determine the impact of IGFBP-2 expression on pancreatic cancer tumorigenesis and metastasis in vitro and in vivo...
June 27, 2017: Oncotarget
https://www.readbyqxmd.com/read/28681154/prediagnosis-circulating-insulin-like-growth-factors-and-pancreatic-cancer-survival
#8
Adetunji T Toriola, Mark Ziegler, Yize Li, Michael Pollak, Rachael Stolzenberg-Solomon
BACKGROUND: Prediagnosis obesity and diabetes are associated with survival from pancreatic cancer, but the underlying mechanisms have not been characterized. Because both are associated with dysregulation in circulating insulin-like growth factor (IGF) levels, we evaluated the associations of prediagnosis IGF levels (IGF-I, IGF-II) and IGF binding protein 3 (IGFBP-3) with pancreatic cancer survival. METHODS: Participants were subjects enrolled in the intervention arm of the PLCO Cancer Screening Trial who developed exocrine pancreatic cancer during follow-up (N = 178, 116 men and 67 women)...
July 5, 2017: Annals of Surgical Oncology
https://www.readbyqxmd.com/read/28646365/post-diagnosis-serum-insulin-like-growth-factors-in-relation-to-dietary-and-lifestyle-changes-in-the-prostate-testing-for-cancer-and-treatment-protect-trial
#9
Vanessa Er, Kalina Biernacka, Andrew J Simpkin, Richard M Martin, Mona Jeffreys, Pauline Emmett, Rebecca Gilbert, Kerry N L Avery, Eleanor Walsh, Michael Davis, Jenny L Donovan, David E Neal, Freddie C Hamdy, Jeff M P Holly, J Athene Lane
PURPOSE: The insulin-like growth factor (IGF) system is modifiable by diet and lifestyle, and has been linked to prostate cancer development and progression. METHODS: We conducted a prospective cohort study of 621 men diagnosed with localized prostate cancer to investigate the associations of dietary and lifestyle changes with post-diagnosis circulating levels of IGF-I and IGFBP-3. We used analysis of covariance to estimate the associations, controlling for baseline IGF-I or IGFBP-3, respectively...
August 2017: Cancer Causes & Control: CCC
https://www.readbyqxmd.com/read/28624391/efficacy-of-melatonin-il-25-and-siil-17b-in-tumorigenesis-associated-properties-of-breast-cancer-cell-lines
#10
Gabriela Bottaro Gelaleti, Thaiz Ferraz Borin, Larissa Bazela Maschio-Signorini, Marina Gobbe Moschetta, Bruna Victorasso Jardim-Perassi, Guilherme Berto Calvinho, Mariana Castilho Facchini, Alicia M Viloria-Petit, Debora Aparecida Pires de Campos Zuccari
Mammary tumorigenesis can be modulated by melatonin, which has oncostatic action mediated by multiple mechanisms, including the inhibition of the activity of transcription factors such as NF-κB and modulation of interleukins (ILs) expression. IL-25 is an active cytokine that induces apoptosis in tumor cells due to differential expression of its receptor (IL-17RB). IL-17B competes with IL-25 for binding to IL-17RB in tumor cells, promoting tumorigenesis. This study purpose is to address the possibility of engaging IL-25/IL-17RB signaling to enhance the effect of melatonin on breast cancer cells...
August 15, 2017: Life Sciences
https://www.readbyqxmd.com/read/28551677/serum-levels-of-igf-1-and-igfbp-3-in-relation-to-clinical-and-pathobiological-aspects-of-head-and-neck-squamous-cell-carcinomas
#11
COMPARATIVE STUDY
David Kalfert, Marie Ludvikova, Ondrej Topolcan, Petr Celakovsky, Radek Kucera, Jindra Windrichova, Jaroslav Ludvik, Katerina Skalova, Vlastimil Kulda, Martin Pesta, Jan Plzak
BACKGROUND/AIM: Head and neck squamous cell carcinoma (HNSCC) includes tumors of various anatomical sites sharing multifactorial etiopathogenesis and generally dismal response to conventional treatment. The objective of this study was to determine the clinical significance of serum levels of insulin-like growth factor-1 (IGF-1) and insulin-like growth factor-binding protein-3 (IGFBP-3) in HNSCC. PATIENTS AND METHODS: A total of 46 patients, with histologically-confirmed diagnosis of HNSCC (21 oropharyngeal, 21 laryngeal, and 4 hypopharyngeal cancers) were enrolled in this study...
June 2017: Anticancer Research
https://www.readbyqxmd.com/read/28545426/insulin-like-growth-factor-1-receptor-affects-the-survival-of-primary-prostate-cancer-patients-depending-on-tmprss2-erg-status
#12
Caterina Mancarella, Irene Casanova-Salas, Ana Calatrava, Maria García-Flores, Cecilia Garofalo, Andrea Grilli, José Rubio-Briones, Katia Scotlandi, José Antonio López-Guerrero
BACKGROUND: Prostate cancer (PCa) is characterized by clinical and biological heterogeneity and has differential outcomes and mortality rates. Therefore, it is necessary to identify molecular alterations to define new therapeutic strategies based on the risk of progression. In this study, the prognostic relevance of the insulin-like growth factor (IGF) system was examined in molecular subtypes defined by TMPRSS2-ERG (T2E) gene fusion within a series of patients with primary localized PCa...
May 25, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28521493/clinicopathological-significance-and-impact-on-outcomes-of-the-gene-expression-levels-of-igf-1-igf-2-and-igf-1r-igfbp-3-in-patients-with-colorectal-cancer-overexpression-of-the-igfbp-3-gene-is-an-effective-predictor-of-outcomes-in-patients-with-colorectal-cancer
#13
Naoto Yamamoto, Takashi Oshima, Kazue Yoshihara, Toru Aoyama, Tsutomu Hayashi, Takanobu Yamada, Tsutomu Sato, Manabu Shiozawa, Takaki Yoshikawa, Soichiro Morinaga, Yasushi Rino, Chikara Kunisaki, Katsuaki Tanaka, Makoto Akaike, Toshio Imada, Munetaka Masuda
The insulin-like growth factors (IGF) system is involved in tumor proliferation, invasion and metastasis in cancer. The current study investigated the association of IGF-1, IGF-2 and IGF-1 receptor (IGF-1R), IGF binding proteins type 3 (IGFBP-3) mRNA expression levels with clinicopathological characteristics and outcomes of 202 patients with untreated colorectal cancer (CRC). IGF-1, IGF-2, IGF-1R and IGFBP-3 mRNA expression levels were analyzed in surgical specimens of cancer tissues and adjacent normal mucosa cells using reverse transcription-quantitative polymerase chain reaction...
May 2017: Oncology Letters
https://www.readbyqxmd.com/read/28521445/low-expression-levels-of-insulin-like-growth-factor-binding-protein-3-are-correlated-with-poor-prognosis-for-patients-with-hepatocellular-carcinoma
#14
Jinjin Yan, Xinzheng Yang, Lin Li, Pengtao Liu, Honghui Wu, Zhanao Liu, Qingyi Li, Guozhen Liao, Xinlong Wang
Insulin-like growth factor binding protein-3 (IGFBP-3) has previously been identified as a putative tumor suppressor gene. The present study investigated the clinical and prognostic significance of IGFBP-3 expression levels in patients with hepatocellular carcinoma (HCC). Immunohistochemistry (IHC) probing for IGFBP-3 was performed on paraffin-embedded tissue samples obtained from 120 patients with HCC, including tissue samples from 120 primary cancer sites and 50 matched adjacent non-malignant sites. Receiver-operator curve (ROC) analysis was used to determine the cut-off scores for the presence of IGFBP-3-positive tumor cells and to estimate the survival time of the patients...
May 2017: Oncology Letters
https://www.readbyqxmd.com/read/28484923/circulating-levels-of-obesity-related-markers-and-risk-of-renal-cell-carcinoma-in-the-plco-cancer-screening-trial
#15
Linda M Liao, Jonathan N Hofmann, Eunyoung Cho, Michael N Pollak, Wong-Ho Chow, Mark P Purdue
PURPOSE: Obesity is an established risk factor for renal cell carcinoma (RCC). It is unclear what biologic mechanisms underlie this association, although recent evidence suggests that the effects of circulating hormones such as insulin-like growth factors (IGF) and adipokines may play a role. METHODS: To address this question, we conducted a nested case-control study of RCC (252 cases, 252 controls) within the Prostate, Lung, Colorectal, and Ovarian Cancer Screening Trial investigating associations with pre-diagnostic serum levels of total adiponectin, high-molecular-weight (HMW) adiponectin, IGF-1, IGF-binding protein-3 (IGFBP-3), and C-peptide...
July 2017: Cancer Causes & Control: CCC
https://www.readbyqxmd.com/read/28467661/circulating-insulin-like-growth-factor-related-biomarkers-correlates-and-responses-to-calcium-supplementation-in-colorectal-adenoma-patients
#16
RANDOMIZED CONTROLLED TRIAL
Caroline Y Um, Veronika Fedirko, W Dana Flanders, Christine Höflich, Elisa Wirthgen, Roberd M Bostick
Circulating insulin-like growth factor 1 (IGF-1) may be directly associated with colorectal cancer risk, and IGF binding protein 3 (IGFBP-3) is one of the most abundantly expressed binding proteins in various cancers. Calcium intakes, primarily from food, have been directly associated with circulating IGF-1, but whether supplemental calcium affects IGF-1 and IGFBP-3 is unknown. We tested the effects of 1.0 and 2.0 g of supplemental elemental calcium daily on circulating IGF-1 and IGFBP-3 concentrations in colorectal adenoma patients in a randomized, double-blinded, placebo-controlled clinical trial (n = 193)...
September 2017: Molecular Carcinogenesis
https://www.readbyqxmd.com/read/28420208/serum-insulin-like-growth-factor-axis-and-the-risk-of-pancreatic-cancer-systematic-review-and-meta-analysis
#17
REVIEW
Yuanfeng Gong, Bingyi Zhang, Yadi Liao, Yunqiang Tang, Cong Mai, Tiejun Chen, Hui Tang
OBJECTIVE: To investigate the association between serum concentration of insulin-like growth factor (IGF) and the risk of pancreatic cancer (PaC). METHODS: We identified eligible studies in Medline and EMBASE databases (no reference trials from 2014 to 2016) in addition to the reference lists of original studies and review articles on this topic. A summary of relative risks with 95% confidence intervals (CI) was calculated using a random-effects model. The heterogeneity between studies was assessed using Cochran Q and I² statistics...
April 18, 2017: Nutrients
https://www.readbyqxmd.com/read/28417914/interactions-of-the-insulin-like-growth-factor-axis-and-vitamin-d-in-prostate-cancer-risk-in-the-prostate-cancer-prevention-trial
#18
RANDOMIZED CONTROLLED TRIAL
Fayth L Miles, Phyllis J Goodman, Catherine Tangen, Kathleen C Torkko, Jeannette M Schenk, Xiaoling Song, Michael Pollak, Ian M Thompson, Marian L Neuhouser
Some, but not all, epidemiologic studies report an association between vitamin D and prostate cancer risk. The inconsistent findings might be explained in the context of modification by members of the insulin-like growth factor (IGF) axis. Data and specimens for this nested case-control study (n = 1695 cases and n = 1682 controls) are from the Prostate Cancer Prevention Trial (PCPT). Baseline serum samples were assayed for 25(OH)D, IGF-1, IGF-2, IGFBP-2, IGFBP-3, and the ratio of IGF1:BP3, along with insulin-related markers c-peptide and leptin...
April 12, 2017: Nutrients
https://www.readbyqxmd.com/read/28366834/the-wilms-tumor-protein-wt1-stimulates-transcription-of-the-gene-encoding-insulin-like-growth-factor-binding-protein-5-igfbp5
#19
Miriam Müller, Anja Bondke Persson, Katharina Krueger, Karin M Kirschner, Holger Scholz
Insulin-like growth factor (IGF) binding proteins (IGFBPs) constitute a family of six secreted proteins that regulate the signaling of insulin-like growth factors (IGFs). IGFBP5 is the most conserved family member in vertebrates and the major IGF binding protein in bone. IGFBP5 is required for normal development of the musculoskeletal system, and various types of cancer frequently express high levels of IGFP5. Here we identify the gene encoding IGFBP5 as a novel downstream target of the Wilms tumor protein WT1...
July 1, 2017: Gene
https://www.readbyqxmd.com/read/28363795/glucagon-like-petide-2-acts-on-colon-cancer-myofibroblasts-to-stimulate-proliferation-migration-and-invasion-of-both-myofibroblasts-and-cancer-cells-via-the-igf-pathway
#20
Marianne Shawe-Taylor, J Dinesh Kumar, Whitney Holden, Steven Dodd, Akos Varga, Olivier Giger, Andrea Varro, Graham J Dockray
Glucagon-like peptide (GLP)-2 stimulates intestinal epithelial proliferation by acting, in part, via IGF release from sub-epithelial myofibroblasts. The response of myofibroblasts to GLP-2 remains incompletely understood. We studied the action of GLP-2 on myofibroblasts from colon cancer and adjacent tissue, and the effects of conditioned medium from these cells on epithelial cell proliferation, migration and invasion. GLP-2 stimulated proliferation, migration and invasion of myofibroblasts and the proliferative and invasive responses of cancer-associated myofibroblasts were greater than those of myofibroblasts from adjacent tissue...
May 2017: Peptides
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