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Interleukin-11

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https://www.readbyqxmd.com/read/29709516/cancer-associated-fibroblasts-stimulated-interleukin-11-promotes-metastasis-of-gastric-cancer-cells-mediated-by-upregulation-of-muc1
#1
Xiaoxun Wang, Xiaofang Che, Chang Liu, Yibo Fan, Ming Bai, Kezuo Hou, Xiaonan Shi, Xiaojie Zhang, Bofang Liu, Chunlei Zheng, Yunpeng Liu, Xiujuan Qu
Cancer-associated fibroblasts (CAFs) are major components of the tumor stroma and regulators of tumor progression. However, the molecular mechanism by which CAFs promote gastric cancer progression should be further explored. In our study, we found that interleukin-11 (IL-11) secretion was significantly increased when CAFs were co-cultured with gastric cancer cells. Co-culture system-derived IL-11 promoted the migration and invasion of gastric cancer cells, whereas the increase of migration and invasion was attenuated by a neutralizing antibody of IL-11 or inhibition of JAK/STAT3 and MAPK/ERK pathways with specific inhibitors...
April 27, 2018: Experimental Cell Research
https://www.readbyqxmd.com/read/29704458/gm-csf-and-il-4-are-not-involved-in-ivig-mediated-amelioration-of-itp-in-mice-a-role-for-il-11-cannot-be-ruled-out
#2
Bonnie J B Lewis, Danila Leontyev, Anton Neschadim, Megan Blacquiere, Donald R Branch
Previously, we reported that interleukin 4 (IL-4), granulocyte-macrophage colony-stimulating factor (GM-CSF), and interleukin 11 (IL-11), but not interleukin 33 (IL-33), are up-regulated in two strains of mice with immune thrombocytopenia (ITP) that are responsive to intravenous immunoglobulin (IVIg) treatment. Previously, IL-4 was ruled out in the mechanism of IVIg; however, other publications have suggested this cytokine as a major player in the mechanism of IVIg action. Thus, we sought to further investigate a role for IL-4 and, in addition, GM-CSF and IL-11 in the mechanism of action of IVIg using a murine model of ITP...
April 28, 2018: Clinical and Experimental Immunology
https://www.readbyqxmd.com/read/29573586/decreased-interleukin-11-levels-in-the-semen-of-infertile-males
#3
Li Qian
The relationship between the interleukin (IL)-11 levels and semen quality of infertile males remains unknown. In this study, 120 semen samples from 60 normozoospermic volunteers and 60 infertile males were examined. The semen pH of the normozoospermic group was not significantly different from that of the infertile group. The semen volume, semen density, forward movement percentage, activity, survival rate and normal morphology rate of the sperm of the infertile group were significantly lower than those of the normozoospermic group...
March 21, 2018: Cytokine
https://www.readbyqxmd.com/read/29555322/increased-interleukin-11-levels-in-thoracic-aorta-and-plasma-from-patients-with-acute-thoracic-aortic-dissection
#4
Yao Xu, Jing Ye, Menglong Wang, Yuan Wang, Qingwei Ji, Ying Huang, Tao Zeng, Zhen Wang, Di Ye, Huimin Jiang, Jianfang Liu, Yingzhong Lin, Jun Wan
BACKGROUND: Interleukin (IL) 11 is closely related to tumor and hematological system diseases. Recent studies have demonstrated that IL-11 also participates in cardiovascular diseases, including ischemia-reperfusion mediated heart injury and acute myocardial infarction. This study aimed to investigate whether IL-11 is involved in acute thoracic aortic dissection (TAD). METHODS: Aortic tissue samples from normal donors and acute TAD patients were collected, and the expression of IL-11 in all aortic tissue was analyzed...
June 2018: Clinica Chimica Acta; International Journal of Clinical Chemistry
https://www.readbyqxmd.com/read/29550807/upregulation-of-il-11-an-il-6-family-cytokine-promotes-tumor-progression-and-correlates-with-poor-prognosis-in-non-small-cell-lung-cancer
#5
Meng Zhao, Yahui Liu, Ran Liu, Jin Qi, Yongwang Hou, Jiao Chang, Li Ren
BACKGROUND/AIMS: Cytokines are key players in tumorigenesis and are potential targets in cancer treatment. Although IL-6 has attracted considerable attention, interleukin 11 (IL-11), another member of the IL-6 family, has long been overlooked, and little is known regarding its specific function in non-small cell lung cancer (NSCLC). In this study, we explored IL-11's role in NSCLC and the detailed mechanism behind it. METHODS: Cell proliferation in response to IL-11 was determined by colony formation, BrdU incorporation and MTS (3-(4,5-dimethylthiazol-2-yl)-5-(3-carboxymethoxyphenyl)-2-(4-sulfophenyl)-2H-tetrazolium) assay...
March 10, 2018: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/29533934/two-n-linked-glycans-differentially-control-maturation-trafficking-and-proteolysis-but-not-activity-of-the-il-11-receptor
#6
Maria Agthe, Yvonne Garbers, Joachim Grötzinger, Christoph Garbers
BACKGROUND/AIMS: The cytokine interleukin-11 (IL-11) has important pro- and anti-inflammatory functions. It activates its target cells through binding to the IL-11 receptor (IL-11R), and the IL-11/IL-11R complex recruits a homodimer of glycoprotein 130 (gp130). N-linked glycosylation, a post-translational modification where complex oligosaccharides are attached to the side chain of asparagine residues, is often important for stability, folding and biological function of cytokine receptors...
March 7, 2018: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/29523682/the-length-of-the-interleukin-11-receptor-stalk-determines-its-capacity-for-classic-signaling
#7
Juliane Lokau, Christoph Garbers
Interleukin (IL)-11 is a multifunctional cytokine that was traditionally recognized for its hematopoietic and anti-inflammatory functions, but has recently been shown also to be involved in tumorigenesis. IL-11 signaling is initiated by binding of the cytokine to the IL-11 receptor (IL-11R), which is not directly involved in signaling but required for IL-11 binding to the signal-transducing receptor glycoprotein (gp) 130. In classic signaling, IL-11 binds to the membrane-bound IL-11R to initiate signal transduction...
April 27, 2018: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/29492387/the-cardioprotective-effect-of-interleukin-11-against-ischemia-reperfusion-injury-in-a-heart-donor-model
#8
Yusaku Tamura, Hiroki Kohno, Tomomi Mohri, Yasushi Fujio, Goro Matsumiya
Background: Previously, we have demonstrated the cardioprotective effect of interleukin (IL)-11 in animal models of acute coronary syndrome. In this study, we sought to evaluate its cardioprotective potential during prolonged hypothermic global ischemia and subsequent reperfusion using a rat heart donor model. Methods: IL-11 was administered intravenously 10 minutes before harvesting the rat heart. The hearts were preserved in cold (4 °C) Krebs-Henseleit buffer for 6 hours, and then attached to a Langendorff perfusion apparatus and reperfused with an oxygenated Krebs-Henseleit solution containing IL-11...
January 2018: Annals of Cardiothoracic Surgery
https://www.readbyqxmd.com/read/29408294/efficient-expression-and-isolation-of-recombinant-human-interleukin-11-rhil-11-in-pichia-pastoris
#9
Kuo-Ming Yu, Johnson Yiu-Nam Lau, Manson Fok, Yuk-Keung Yeung, Siu-Ping Fok, Felix Shek, Wing-Tak Wong, Qui-Lim Choo
Current source of recombinant human interleukin-11 (rhIL-11) is isolated from a fusion protein expressed by E. coli that requires additional enterokinase to remove linked protein, resulting in product heterogeneity of N-terminal sequence. Due to lack of glycosylation, rhIL-11 is suitable to be expressed by yeast cells. However, the only available yeast-derived rhIL-11 presents an obstacle in low production yield, as well as an unamiable process, such as the use of reverse-phase chromatography employing plenty of toxic organic solvents...
June 2018: Protein Expression and Purification
https://www.readbyqxmd.com/read/29407773/preclinical-evaluation-of-the-mono-pegylated-recombinant-human-interleukin-11-in-cynomolgus-monkeys
#10
Kuo-Ming Yu, Johnson Yiu-Nam Lau, Manson Fok, Yuk-Keung Yeung, Siu-Ping Fok, Suxing Zhang, Peizhen Ye, Kezhi Zhang, Xiaobo Li, Juan Li, Qin Xu, Wing-Tak Wong, Qui-Lim Choo
The mono-PEGylated recombinant human interleukin-11 (rhIL-11) was evaluated for its pharmacology and toxicology profile in non-human primates. This PEGylated IL-11 (PEG-IL11) showed a much prolonged circulating half-life of 67h in cynomolgus monkeys as compared to its un-PEGylated counterpart (~3h) through subcutaneous administration, implicating that a single injection of the recommended dose will effectively enhance thrombopoiesis in humans for a much longer period of time compared to rhIL-11 in humans (t1/2 =6...
March 1, 2018: Toxicology and Applied Pharmacology
https://www.readbyqxmd.com/read/29397850/-efficacy-of-recombinant-human-thrombopoietin-and-recombinant-human-interleukin-11-for-treatment-of-chemotherapy-indu-ced-thrombocytopenia-in-acute-myeloid-leukaemia-patients
#11
Guang Tang, Xiao-Min Wang, Jun-Xia Meng, Chun-Lai Luan, Jie-Fu Chen, Yong-Qiang Wu, Xiao-Nan Zhang, Zi-Yan He
OBJECTIVE: To evaluate and compare the clinical efficacy and safety of recombinant human thrombopoietin(rhTPO) and recombinant human interleukin11(rhIL-11) for the treatment of chemotherapy-induced thrombocytopenia in adult acute myeloid leukaemia patients. METHODS: Total of 96 adult acute myeloid leukaemia patients were divided into 3 groups according to randomized controlled method: rhTPO group, rhIL-11 group and control group, 32 cases in each group. The patients in rhTPO group and rhIL-11 received rhTPO of 15000 IU/d and rhIL-11 of 1...
February 2018: Zhongguo Shi Yan Xue Ye Xue za Zhi
https://www.readbyqxmd.com/read/29385613/prophylactic-and-therapeutic-interventions-for-bleeding-in-dengue-a-systematic-review
#12
Senaka Rajapakse, Nipun Lakshitha de Silva, Praveen Weeratunga, Chaturaka Rodrigo, Sumadhya Deepika Fernando
The global incidence of dengue has increased sevenfold between 1990 and 2013. Despite a low case fatality rate (<1%), during epidemics, due to the large number of people affected, overall mortality rates can be significant. The risk of clinically significant bleeding in dengue is unpredictable and often contributes to an adverse outcome. This systematic review focuses on the evidence for prophylactic and therapeutic interventions for bleeding in dengue infection. PubMed, CINAHL, Cochrane Library, Embase and Google Scholar were searched for randomized, quasi-randomized and non-randomized, prospective or retrospective studies that had a control group alongside an intervention aimed at stopping or preventing bleeding in dengue infection...
October 1, 2017: Transactions of the Royal Society of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/29381614/bone-conditioned-medium-obtained-from-calvaria-mandible-and-tibia-cause-an-equivalent-tgf-%C3%AE-1-response-in-vitro
#13
Babak Hatami Kia, João Rui Galvão Mendes, Heinz-Dieter Müller, Patrick Heimel, Reinhard Gruber
Bones with different embryological origin and mode of ossification are supposed to vary in their capacity for supporting graft consolidation. The aim of the current pilot study was to assess the TGF-β1 activity of bone chips obtained from distinct anatomic locations. Conditioned medium was prepared from bone chips harvested from pig calvaria, mandible, and tibia. Human oral fibroblasts were exposed to bone-conditioned medium (BCM) followed by reverse transcriptase polymerase chain reaction of the TGF-β1 target genes...
January 19, 2018: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/29361454/interleukin-11-blockade-during-mid-to-late-gestation-does-not-affect-maternal-blood-pressure-pregnancy-viability-or-subsequent-fertility-in-mice
#14
Amy Winship, Ellen Menkhorst, Michelle Van Sinderen, Evdokia Dimitriadis
Interleukin (IL)11 is a crucial regulator during the initiation of pregnancy in humans and mice. Elevated levels are detected in serum, placenta and decidua of women with pre-eclampsia. Elevated IL11 during placentation recapitulates pre-eclampsia in mice, although withdrawal rescues pre-eclampsia features, suggesting that IL11 could provide a novel therapeutic target. The aim of this study was to determine the safety profile of an IL11 antagonist ligated to polyethylene glycol (PEGIL11A) during pregnancy in mice...
March 2018: Reproductive Biomedicine Online
https://www.readbyqxmd.com/read/29343249/microrna-124-inhibits-bone-metastasis-of-breast-cancer-by-repressing-interleukin-11
#15
Wei-Luo Cai, Wen-Ding Huang, Bo Li, Tian-Rui Chen, Zhen-Xi Li, Cheng-Long Zhao, Heng-Yu Li, Yan-Mei Wu, Wang-Jun Yan, Jian-Ru Xiao
BACKGROUND: Most patients with breast cancer in advanced stages of the disease suffer from bone metastases which lead to fractures and nerve compression syndromes. microRNA dysregulation is an important event in the metastases of breast cancer to bone. microRNA-124 (miR-124) has been proved to inhibit cancer progression, whereas its effect on bone metastases of breast cancer has not been reported. Therefore, this study aimed to investigate the role and underlying mechanism of miR-124 in bone metastases of breast cancer...
January 17, 2018: Molecular Cancer
https://www.readbyqxmd.com/read/29286137/microrna-124a-inhibits-cell-proliferation-and-migration-in-liver-cancer-by-regulating-interleukin-11
#16
Liedao Yu, Shuo Wang, Xiangjin Lin, Yang Lu, Pengcheng Gu
Liver cancer is the sixth most common malignant tumour and ranks in the top three cancers with regard to mortality due to metastasis and postsurgical recurrence. It is significant to understand the mechanisms underlying liver cancer for diagnosis and treatment. Cumulative evidence suggests that the abnormal regulation of microRNAs (miRNAs/miRs) may contribute to the development and metastasis of cancer. miR‑124a acts as a tumour suppressor in osteosarcoma, endometrial carcinoma, prostate cancer, and glioblastoma...
March 2018: Molecular Medicine Reports
https://www.readbyqxmd.com/read/29279421/-bone-derived-hormones-and-their-systemic-regulation
#17
Yuichi Takashi, Seiji Fukumoto, Toshio Matsumoto
Bone has several functions such as supporting our body, protecting internal organs and contributing to hematopoiesis. Recently, it has been revealed that bone also works as an endocrine tissue and systemically regulates functions of other organs. It has been reported that fibroblast growth factor 23(FGF23)regulates phosphate metabolism and osteocalcin affect glucose/energy metabolism. In addition, sclerostin, interleukin-11(IL-11)and lipocalin 2 have been also found to be bone-derived humoral factors. Further investigation concerning the network systems among multiple organs via bone-derived hormones may lead to the development of new drugs...
2018: Clinical Calcium
https://www.readbyqxmd.com/read/29237553/the-snp-rs4252548-r112h-which-is-associated-with-reduced-human-height-compromises-the-stability-of-il-11
#18
Juliane Lokau, Sascha Göttert, Philipp Arnold, Stefan Düsterhöft, David Massa López, Joachim Grötzinger, Christoph Garbers
Height is a complex human phenotype that is influenced by variations in a high number of genes. Recently, a single nucleotide polymorphism (SNP) within IL11 (rs4252548) has been described to be associated with height in adults of European ancestry. This coding SNP leads to the exchange of Arg-112 to His-112 within the cytokine Interleukin-11 (IL-11), which has a well-established role in osteoclast development and bone turnover. The functional consequences of the R112H mutation are unknown so far. In this study, we show by molecular replacement that Arg-112 does not participate in binding of IL-11 to its receptors IL-11R and glycoprotein 130 (gp130)...
March 2018: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/29235178/the-gp130-cytokine-interleukin-11-regulates-engraftment-of-vav1-hematopoietic-stem-and-progenitor-cells-in-lethally-irradiated-recipients
#19
Serena De Vita, Yanhua Li, Chad E Harris, Meaghan K McGuinness, Clement Ma, David A Williams
During bone marrow transplantation, hematopoietic stem and progenitor cells (HSPCs) respond to signals from the hematopoietic microenvironment by coordinately activating molecular pathways through Rho GTPases, including Rac. We have previously shown that deletion of Vav1, a hematopoietic-specific activator of Rac, compromises engraftment of transplanted adult HSPCs without affecting steady-state hematopoiesis in adult animals. Here, we show that Vav1- / - fetal HSPCs can appropriately seed hematopoietic tissues during ontogeny but cannot engraft into lethally irradiated recipients...
March 2018: Stem Cells
https://www.readbyqxmd.com/read/29217821/il-11-promotes-the-treatment-efficacy-of-hematopoietic-stem-cell-transplant-therapy-in-aplastic-anemia-model-mice-through-a-nf-%C3%AE%C2%BAb-microrna-204-thrombopoietin-regulatory-axis
#20
Yan Wang, Zhi-Yun Niu, Yu-Jie Guo, Li-Hua Wang, Feng-Ru Lin, Jing-Yu Zhang
Hematopoietic stem cell (HSC) transplantation could be of therapeutic value for aplastic anemia (AA) patients, and immunosuppressants may facilitate the efficiency of the procedure. As anti-inflammatory cytokine interleukin-11 (IL-11) has a thrombopoietic effect, its use in cases of chronic bone marrow failure, such as AA, has been proposed to induce HSC function. However, the putative mechanisms that may support this process remain poorly defined. We found that decreased miR-204-5p levels were coincident with increased proliferation in mouse HSCs following exposure to IL-11 in vitro...
December 8, 2017: Experimental & Molecular Medicine
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