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Yueqin Han, Yanping Zhu, Jinshen Wang, Yanqin Han, Daogang Qin, Qiaozhi Yang, Xiaojing Sun, Lijun Chen
OBJECTIVES: To investigate the efficacy of interleukin 11 (IL-11) towards the high dose methotrexate (HDMTX)-concurrent rat small intestinal mucositis and its impacts on the proliferation of the human T-lymphoblastic leukemia (CEM) cell line. MATERIALS AND METHODS: 95 Wistar rats were randomly divided into five groups, the normal control group (A), the methotrexate (MTX) control group (B), the IL-11-pre-treated high-dose group (C), the post-IL-11-treatment high-dose group (D) and the post-IL-11-treatment low-dose group (E)...
August 2016: Iranian Journal of Basic Medical Sciences
Eric Lik-Hang Lui, Carl Ka-Leong Ao, Lina Li, Mei-Li Khong, Julian Alexander Tanner
Polyphosphate (polyP) is abundant in bone but its roles in signaling and control of gene expression remain unclear. Here, we investigate the effect of extracellular polyP on proliferation, migration, apoptosis, gene and protein expression in human osteoblast-like SaOS-2 cells. Extracellular polyP promoted SaOS-2 cell proliferation, increased rates of migration, inhibited apoptosis and stimulated the rapid phosphorylation of extracellular-signal-regulated kinase (ERK) directly through basic fibroblast growth factor receptor (bFGFR)...
October 28, 2016: Biochemical and Biophysical Research Communications
Kosaku Sawada, Richard J Miron, Dominic Leiser, Jordi Caballé-Serrano, Dieter D Bosshardt, Benoit Schaller, Daniel Buser, Reinhard Gruber
Extracorporeal irradiation sterilizes resected tumor bone used as autografts in reconstruction surgery. Therapeutic irradiation is a standard technique in head and neck cancer therapy that aims to preserve organ function. Bone irradiation has a complex, mostly inhibitory, effect on remodeling and regeneration, although the underlying mechanisms are still not fully understood. It remains unclear if extracorporeal irradiation affects the paracrine-like activity of the corresponding autografts. We recently reported that bone-conditioned medium from autogenous bone chips contains a number of factors that might affect cell activity...
2016: Journal of Oral Science
Yueqin Han, Yanping Zhu, Jinshen Wang, Yanqin Han, Daogang Qin, Qiaozhi Yang, Xiaojing Sun, Lijun Chen
OBJECTIVES: To investigate the efficacy of interleukin 11 (IL-11) towards the high dose methotrexate (HDMTX)-concurrent rat small intestinal mucositis and its impacts on the proliferation of the human T-lymphoblastic leukemia (CEM) cell line. MATERIALS AND METHODS: 95 Wistar rats were randomly divided into five groups, the normal control group (A), the methotrexate (MTX) control group (B), the IL-11-pre-treated high-dose group (C), the post-IL-11-treatment high-dose group (D) and the post-IL-11-treatment low-dose group (E)...
July 2016: Iranian Journal of Basic Medical Sciences
Natalie A Sims
Bone renews itself and changes shape throughout life to account for the changing needs of the body; this requires co-ordinated activities of bone resorbing cells (osteoclasts), bone forming cells (osteoblasts) and bone's internal cellular network (osteocytes). This review focuses on paracrine signaling by the IL-6 family of cytokines between bone cells, bone marrow, and skeletal muscle in normal physiology and in pathological states where their levels may be locally or systemically elevated. These functions include the support of osteoclast formation by osteoblast lineage cells in response to interleukin 6 (IL-6), interleukin 11 (IL-11), oncostatin M (OSM) and cardiotrophin 1 (CT-1)...
October 2016: International Journal of Biochemistry & Cell Biology
Juliane Lokau, Maria Agthe, Christoph Garbers
The cytokines interleukin-11 (IL-11) and IL-6 are important proteins with well-defined pro- and anti-inflammatory functions. They activate intracellular signaling cascades through a homodimer of the ubiquitously expressed signal-transducing β-receptor glycoprotein 130 (gp130). Specificity is gained through the cell- and tissue-specific expression of the nonsignaling IL-11 and IL-6 α-receptors (IL-11R and IL-6R), which determine the responsiveness of the cell to these two cytokines. IL-6 is a rare example, where its soluble receptor (sIL-6R) has agonistic properties, so that the IL-6/sIL-6R complex is able to activate cells that are usually not responsive to IL-6 alone (trans-signaling)...
2016: Mediators of Inflammation
Zhaoming Zhong, Zedong Hu, Yue Jiang, Ruimei Sun, Xue Chen, Hongying Chu, Musheng Zeng, Chuanzheng Sun
Metastasis is the major cause of treatment failure in anaplastic thyroid carcinoma (ATC) patients. In the preliminary study, we demonstrated that interleukin (IL)-11 expression is positively correlated with distant metastasis in ATC. However, the mechanisms underlying remain largely unknown. Here, we found that cobalt chloride (a hypoxia mimetic) promoted IL-11 expression via HIF-1α activation. Furthermore, the resultant increase in IL-11 expression significantly induced epithelial-mesenchymal transition (EMT) in ATC cells, accompanied by Akt/GSK3β pathway activation and increased invasive and migratory abilities...
July 25, 2016: Oncotarget
Ravand Samaeekia, Valery Adorno-Cruz, Jessica Bockhorn, Ya-Fang Chang, Simo Huang, Aleix Prat, Nahun Ha, Golam Kibria, Dezheng Huo, Hui Zheng, Rachel Dalton, Yuhao Wang, Grigoriy Moskalenko, Huiping Liu
PURPOSE: Effective targeting of cancer stem cells is necessary and important for eradicating cancer and reducing metastasis-related mortality. Understanding of cancer stemness-related signaling pathways at the molecular level will help control cancer and stop metastasis in the clinic. EXPERIMENTAL DESIGN: By analyzing microRNA profiles and functions in cancer development, we aimed to identify regulators of breast tumor stemness and metastasis in human xenograft models in vivo and examined their effects on self-renewal and invasion of breast cancer cells in vitro...
July 19, 2016: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
Eugene A Permyakov, Vladimir N Uversky, Sergei E Permyakov
Cytokine interleukin-11 (IL-11) is a multifunctional protein with diverse roles in the normal cell signaling and in various pathologies. The structure of IL-11 is characterized by a four-helix bundle motif comprising two pairs of antiparallel α-helices arranged in an up-up-down-down configuration. Evaluation of the intrinsic disorder predisposition of human IL-11 by several computational tools clearly shows that this protein is predicted to have functional disordered regions potentially involved in interaction with natural binding partners...
September 2016: Cell Biochemistry and Biophysics
Marina Cardó-Vila, Serena Marchiò, Masanori Sato, Fernanda I Staquicini, Tracey L Smith, Julianna K Bronk, Guosheng Yin, Amado J Zurita, Menghong Sun, Carmen Behrens, Richard L Sidman, J Jack Lee, Waun K Hong, Ignacio I Wistuba, Wadih Arap, Renata Pasqualini
We previously isolated an IL-11-mimic motif (CGRRAGGSC) that binds to IL-11 receptor (IL-11R) in vitro and accumulates in IL-11R-expressing tumors in vivo. This synthetic peptide ligand was used as a tumor-targeting moiety in the rational design of BMTP-11, which is a drug candidate in clinical trials. Here, we investigated the specificity and accessibility of IL-11R as a target and the efficacy of BMTP-11 as a ligand-targeted drug in lung cancer. We observed high IL-11R expression levels in a large cohort of patients (n = 368)...
August 2016: American Journal of Pathology
Ying Lin, Xieming Zhou, Wenjian Guo, Qianqian Li, Xiahui Pan, Yunhua Bao, Muqing He, Baoling Zhu, Xiaoji Lin, Limin Jin, Rongxin Yao
Immune thrombocytopenia (ITP) is an autoimmune hemorrhagic disorder characterized by reduction in platelet counts. T helper 1 (Th1) cells polarization with an increased shift of Th1/Th2 ratio has been reported in ITP. This shift is associated with transcription factor T-box expressed in T cells (T-bet) upregulation and GATA-binding protein 3 (GATA-3) downregulation, leading to an increased T-bet/GATA-3 ratio. Our previous in vitro study showed that recombinant human interleukin-11 (rhIL-11) could normalize Th1/Th2 imbalance in the peripheral blood mononuclear cells (PBMCs) isolated from adult ITP patients, which co-occurred with T-bet/GATA-3 ratio restoration...
September 2016: International Immunopharmacology
D Q Wang, X P Ding, S Yin, Y D Mao
The expression of interleukin-11 (IL-11) and its products STAT3 and phospho-STAT3 (p-STAT3) in patients with chronic superficial gastritis (CSG), chronic atrophic gastritis (CAG), and gastric cancer (GC) may provide insight into the diagnostic role of the IL-11/STAT3 signaling pathway in GC. Gastric mucosa specimens and serum samples were collected from 90 patients with CSG, CAG, and GC (30/group). The expression of IL-11, STAT3, and p-STAT3 was detected via immunohistochemistry and western blot. Additionally, serum levels of IL-11 were measured by enzyme-linked immunosorbent assay...
2016: Genetics and Molecular Research: GMR
Hanna Dams-Kozlowska, Eliza Kwiatkowska-Borowczyk, Katarzyna Gryska, Anna Lewandowska, Andrzej Marszalek, Sebastian Adamczyk, Anna Kowalik, Ewa Leporowska, Andrzej Mackiewicz
The incidence of cancer is constantly increasing. Chemo/radiotherapy is one of major methods of treating cancer. Although adverse chemo/radiotherapy events, such as anemia and neutropenia, can be successfully cured, thrombocytopenia is still problematic. We constructed the Hyper-IL11 (H11) cytokine by linking soluble interleukin 11 receptor alpha (sIL-11Ralpha) with IL-11. In vivo H11 activity was examined in myelosuppressed mice. Myelosuppression was induced by either i) sublethal irradiation and carboplatin administration or ii) sublethal irradiation...
2016: PloS One
Gang Yang, Gao-Feng Shao
To study the changes in serum interleukin-11 (IL-11), tumor necrosis factor-α (TNF-α) and vascular endothelial growth factor (VEGF) expressions following hypertensive intracerebral hemorrhage (HICH), and explore their associations with disease severity and prognosis. Serum IL-11, TNF-α, and VEGF levels after 1, 3, 7, and 14 days after HICH were assayed using enzyme-linked immunosorbent assay (ELISA), and neurological deficit score (NDS) were recorded at admission and discharge for 99 HICH cases. Then 45 healthy controls were included and assayed for serum IL-11, TNF-α, and VEGF levels...
August 2016: Neurological Sciences
Kanae Echizen, Osamu Hirose, Yusuke Maeda, Masanobu Oshima
Cyclooxygenase-2 (COX-2) and its downstream product prostaglandin E2 (PGE2 ) play a key role in generation of the inflammatory microenvironment in tumor tissues. Gastric cancer is closely associated with Helicobacter pylori infection, which stimulates innate immune responses through Toll-like receptors (TLRs), inducing COX-2/PGE2 pathway through nuclear factor-κB activation. A pathway analysis of human gastric cancer shows that both the COX-2 pathway and Wnt/β-catenin signaling are significantly activated in tubular-type gastric cancer, and basal levels of these pathways are also increased in other types of gastric cancer...
April 2016: Cancer Science
Andrew J Steelman, Yun Zhou, Hisami Koito, SunJa Kim, H Ross Payne, Q Richard Lu, Jianrong Li
Multiple sclerosis is the most prevalent demyelinating disease of the central nervous system (CNS) and is histologically characterized by perivascular demyelination as well as neurodegeneration. While the degree of axonal damage is correlated with clinical disability, it is believed that remyelination can protect axons from degeneration and slow disease progression. Therefore, understanding the intricacies associated with myelination and remyelination may lead to therapeutics that can enhance the remyelination process and slow axon degeneration and loss of function...
July 2016: Neurobiology of Disease
Chen-Yi Jiang, Jun-Jie Yu, Yuan Ruan, Xiao-Hai Wang, Wei Zhao, Xing-Jie Wang, Yi-Ping Zhu, Yuan Gao, Kui-Yuan Hao, Lei Chen, Bang-Min Han, Shu-Jie Xia, Fu-Jun Zhao
Mechanisms of stromal-epithelial crosstalk are essential for Prostate cancer (PCa) tumorigenesis and progression. Peripheral zone of the prostate gland possesses a stronger inclination for PCa than transition zone. We previously found a variety of genes that differently expressed among different prostate stromal cells, including LIM domain only 2 (LMO2) which highly expressed in peripheral zone derived stromal cells (PZSCs) and PCa associated fibroblasts (CAFs) compared to transition zone derived stromal cells (TZSCs)...
May 3, 2016: Oncotarget
Jianjun Yu, Zhiwen Feng, Longwei Tan, Liyong Pu, Lianbao Kong
BACKGROUND: IL-11 is a multifunctional cytokine that belongs to the IL-6 family. Previous studies have demonstrated that IL-11 has underlying anti-inflammatory and anti-apoptotic properties. In this study, we evaluated the potential effects of IL-11 on mouse liver WI/Rp injury. METHODS: For in vivo experiments, mice were randomly divided into four main experimental groups (n=5 each): (1) normal group - anesthesia; (2) sham group- laparotomy; (3) I/R group- liver WI/Rp; and (4) IL-11 pretreatment (500μg/kg, tail vein injection) group- administration of RhIL-11 2h before liver WI/Rp induced in the same manner as in group 3...
March 23, 2016: Clinics and Research in Hepatology and Gastroenterology
Alisa Boutin, Susanne Neumann, Marvin C Gershengorn
It has been shown that the TSH receptor (TSHR) couples to a number of different signaling pathways, although the Gs-cAMP pathway has been considered primary. Here, we measured the effects of TSH on bone marker mRNA and protein expression in preosteoblast-like U2OS cells stably expressing TSHRs. We determined which signaling cascades are involved in the regulation of IL-11, osteopontin (OPN), and alkaline phosphatase (ALPL). We demonstrated that TSH-induced up-regulation of IL-11 is primarily mediated via the Gs pathway as IL-11 was up-regulated by forskolin (FSK), an adenylyl cyclase activator, and inhibited by protein kinase A inhibitor H-89 and by silencing of Gαs by small interfering RNA...
May 2016: Endocrinology
Yang Xiao, Jun Liu, Xin-En Huang, Jian-Xiong Guo, Peng-Chao Fu, Xiao-Hong Huang, Juan Zhou, Ai-Qin Ye
OBJECTIVE: to investigate the effect and side effects of recombinant human interleukin - 11 (rhIL - 11, in Chinese Juheli, produced by Qi Lu Biotechnology CO., LTD) in the second prevention of chemotherapy induced thrombocytopenia (CIT). METHODS: Cancer patients with CIT were recruited and were treated with rhIL - 11 (treatment phase, TP), and in the following cycle, all these patients administered with rhIL - 11 24 hours immediately after chemotherapy (preventive treatment phase, PTP)...
2016: Asian Pacific Journal of Cancer Prevention: APJCP
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