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C-kit AND SCF

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https://www.readbyqxmd.com/read/29112292/a-kit-ligand-stem-cell-factor-as-a-possible-mediator-inducing-overactive-bladder
#1
Yasue Kubota, Takashi Hamakawa, Satoshi Osaga, Atsushi Okada, Shuzo Hamamoto, Noriyasu Kawai, Kenjiro Kohri, Takahiro Yasui
OBJECTIVE: To investigate whether c-kit ligand, stem cell factor (SCF) affects the biological behavior of overactive bladder (OAB) and discuss the role of SCF as a possible mediator inducing OAB. MATERIALS AND METHODS: First, we performed an immunohistochemical study to examine the localization of SCF in the guinea pig and human bladder. Next, urinary SCF levels were measured in patients with OAB and in control subjects to evaluate a potential biomarker for the diagnosis of OAB...
November 7, 2017: Neurourology and Urodynamics
https://www.readbyqxmd.com/read/29067468/resveratrol-improves-urinary-dysfunction-in-rats-with-chronic-prostatitis-and-suppresses-the-activity-of-the-stem-cell-factor-c-kit-signaling-pathway
#2
Yang Yu, Jiang Jiang, Yi He, Wei Wang, Chen Shen, Bo Yang
Chronic prostatitis (CP) is a common urological disorder, with bladder voiding dysfunction being the primary clinical manifestation. Resveratrol is polyphenolic compound isolated from numerous plants, with widely‑reported anti-inflammatory properties. The present study aimed to investigate whether resveratrol may improve overactive bladder in rats with CP and to investigate the underlying molecular mechanisms. Furthermore, the potential pharmacological synergy between resveratrol and solifenacin was also investigated as a potential treatment for CP...
August 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/29031900/resveratrol-improved-detrusor-fibrosis-induced-by-mast-cells-during-progression-of-chronic-prostatitis-in-rats
#3
Yi He, Huizhi Zeng, Yang Yu, Jiashu Zhang, Qi Liu, Bo Yang
To investigate the detrusor fibrosis and urinary dysfunction in chronic prostatitis (CP), and to investigate whether resveratrol can improve the urinary dysfunction and the underlying molecular mechanism. After rat model of CP is established by subcutaneously injecting DPT vaccine, rats are treated with resveratrol. Experiments of bladder pressure and volume test in rats are used to investigate the effect of resveratrol on urinary dysfunction in CP rats. To assess tissue fibrosis, picrosirius red staining is performed...
October 12, 2017: European Journal of Pharmacology
https://www.readbyqxmd.com/read/28843624/sorafenib-stimulates-human-skin-type-mast-cell-degranulation-and-maturation
#4
Yukari Mizukami, Koji Sugawara, Yukimi Kira, Daisuke Tsuruta
BACKGROUND: Sorafenib is a multi-kinase inhibitor for treating advanced hepatocellular and renal cell carcinomas by targeting various types of receptors and signaling molecules, including vascular endothelial growth factor receptors, platelet-derived growth factor receptor, and Raf-1. Sorafenib may cause diverse cutaneous adverse reactions, including hand-foot reaction, facial and scalp eruptions, alopecia and pruritus. However, the mechanism of these adverse effects has not been well-investigated...
August 12, 2017: Journal of Dermatological Science
https://www.readbyqxmd.com/read/28841456/resveratrol-improves-smooth-muscle-carcinogenesis-in-the-progression-of-chronic-prostatitis-via-the-downregulation-of-c-kit-scf-by-activating-sirt1
#5
Yi He, Huizhi Zeng, Yang Yu, Jiashu Zhang, Xingping Duan, Qi Liu, Bo Yang
PURPOSE: Bladder smooth muscle cell death accompanied by hyperplasia and hypertrophy, as induced by inflammation, is the primary cause for poor bladder function. There are emerging evidences on the role of chronic inflammation as a factor involved in carcinogenesis and progression. We aim to determine the bladder smooth muscle pathological changes and dysfunction in chronic prostatitis (CP), to investigate whether resveratrol can improve the urinary dysfunction and the role of c-kit/SCF pathway, that has been associated with the smooth muscle carcinogenesis...
November 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28801138/cadmium-exposure-in-newborn-rats-ovary-induces-developmental-disorders-of-primordial-follicles-and-the-differential-expression-of-scf-c-kit-gene
#6
Wenchang Zhang, Tingting Wu, Chenyun Zhang, Lingfeng Luo, Meimei Xie, Huiling Huang
Since the 1990s, the rising problem that gonad reproductive toxicity on adult female after exposing to cadmium (Cd), an environmental endocrine disruptor, has attracted high attention at home and abroad,and was systematically studied. Our research focuses on a further problem is that early cadmium exposure (during birth to before puberty) impact on development and function of ovarian cells and its possible mechanism. Our research focuses on the changes of ovarian cells growth and development after the newborn rat ovaries with cadmium exposure in vitro, and different expression of ovarian cells development-related factors, SCF/c-kit and changes of their DNA methylation status...
October 5, 2017: Toxicology Letters
https://www.readbyqxmd.com/read/28780584/platelet-derived-growth-factor-alpha-pdgfr%C3%AE-induces-the-activation-of-cardiac-fibroblasts-by-activating-c-kit
#7
Lexun Wang, Yuan Yue, Xiao Yang, Tian Fan, Bo Mei, Jian Hou, Mengya Liang, Guangxian Chen, Zhongkai Wu
BACKGROUND Enhanced platelet-derived growth factor receptor a (PDGFRα) signaling pathway activity leads to cardiac fibrosis. However, because of the pleiotropic effects of PDGFR signaling, its role in mediating the cardiac fibrotic response remains poorly understood. This study aimed to investigate the regulatory effect of c-Kit in cardiac fibroblasts activated by PDGFRa signaling. MATERIAL AND METHODS A cardiac fibrosis mice model was induced using isoproterenol, and the heart tissues of mice were tested through western blotting and real-time quantitative PCR (RT-qPCR)...
August 6, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/28751268/the-stem-cell-factor-scf-c-kit-system-in-carcinogenesis-of-reproductive-tissues-what-does-the-hormonal-regulation-tell-us
#8
REVIEW
Marília I Figueira, Henrique J Cardoso, Sara Correia, Cláudio J Maia, Sílvia Socorro
The tyrosine kinase receptor c-KIT and its ligand, the stem cell factor (SCF) are expressed in several tissues of male and female reproductive tract, playing an important role in the regulation of basic biological processes. The activation of c-KIT by SCF controls, cell survival and death, cell differentiation and migration. Also, the SCF/c-KIT system has been implicated in carcinogenesis of reproductive tissues due to its altered expression pattern or overactivation in consequence of gain-of-functions mutations...
October 1, 2017: Cancer Letters
https://www.readbyqxmd.com/read/28715365/analysis-of-the-c-kit-ligand-promoter-using-chromatin-immunoprecipitation
#9
Pingyu Zhang, Andres Rojas, Boris Blechacz
Multiple cellular processes, including DNA replication and repair, DNA recombination, and gene expression, require interactions between proteins and DNA. Therefore, DNA-protein interactions regulate multiple physiological, pathophysiological, and biological functions, such as cell differentiation, cell proliferation, cell cycle control, chromosome stability, epigenetic gene regulation, and cell transformation. In eukaryotic cells, the DNA interacts with histone and nonhistone proteins and is condensed into chromatin...
June 27, 2017: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/28712399/-expressions-of-stem-cell-factor-and-hypoxia-inducible-factor-1-alpha-in-pancreatic-cancer-cells-and-related-mechanism
#10
Min Zhang, Yunjian Wang, Qiong Li, Qingjun Li, Nanmu Yang, Guohua You, Li Wang
Objective To study the correlation between the expressions of stem cell factor (SCF) and hypoxia inducible factor 1 alpha (HIF-1α) in pancreatic cancer, and investigate the mechanism by which SCF regulates the expression of HIF-1α. Methods Immunohistochemistry was used to detect the expressions of SCF and HIF-1α in pancreatic cancer specimens and to analyze the correlation between SCF and HIF-1α expressions. Pancreatic cancer PANC-1 cells were treated with different doses of SCF (0, 1, 10, 100 ng/mL) alone or combined with c-KIT inhibitor Gleevec (5 μmol/L)...
July 2017: Xi Bao Yu Fen Zi Mian Yi Xue za Zhi, Chinese Journal of Cellular and Molecular Immunology
https://www.readbyqxmd.com/read/28712397/-stem-cell-factor-enhances-invasive-ability-of-bxpc-3-cells-via-hypoxia-inducible-factor-1%C3%AE-hif-1%C3%AE
#11
Min Zhang, Kang Guo, Qiong Li, Yunjian Wang, Ling Zhang, Tao He, Baishun Wan, Xiaoqian Wang
Objective To investigate the effect of stem cell factor (SCF)/c-KIT system on the invasion of BxPC-3 pancreatic cancer cells and the role of hypoxia-inducible factor 1 alpha (HIF-1α) in this effect. Methods BxPC-3 cells were cultured in normoxia and hypoxia. The cells cultured in normoxia were treated with SCF. Real-time quantitative PCR and Western blotting were used to investigate the expressions of HIF-1α mRNA and protein, respectively. Small interference RNA of HIF-1α (siHIF-1α) was designed and synthesized, and then transfected into BxPC-3 cells...
July 2017: Xi Bao Yu Fen Zi Mian Yi Xue za Zhi, Chinese Journal of Cellular and Molecular Immunology
https://www.readbyqxmd.com/read/28704753/resveratrol-improves-prostate-fibrosis-during-progression-of-urinary-dysfunction-in-chronic-prostatitis
#12
Yi He, Hui-Zhi Zeng, Yang Yu, Jia-Shu Zhang, Xingping Duan, Xiao-Na Zeng, Feng-Tao Gong, Qi Liu, Bo Yang
AIM: We investigated whether prostate fibrosis was associated with urinary dysfunction in chronic prostatitis (CP) and whether resveratrol improved urinary dysfunction and the underlying molecular mechanism. METHODS: Rat model of CP was established via subcutaneous injections of DPT vaccine and subsequently treated with resveratrol. Bladder pressure and volume tests investigated the effect of resveratrol on urinary dysfunction in CP rats. Western blotting and immunohistochemical staining examined the expression level of C-kit/SCF and TGF-β/Wnt/β-catenin...
July 1, 2017: Environmental Toxicology and Pharmacology
https://www.readbyqxmd.com/read/28695716/alterations-of-oncogenes-expression-in-nk-cells-in-patients-with-cancer
#13
Gulnur K Zakiryanova, Elena Kustova, Nataliya T Urazalieva, Aday Amirbekov, Emile T Baimuchametov, Narymzhan N Nakisbekov, Michael R Shurin
INTRODUCTION: C-kit/SCF signaling plays a key role in regulating NK cell homeostasis, maturation, proliferation, and cytotoxicity. C-kit-deficiency in NK cells results in significant reduction of their number, suggesting an imperative role for c-kit signaling in NK cell biology. We have recently showed that human NK cells express not only c-kit-receptor, but also both membrane-bound and soluble forms of c-kit ligand-Stem cell factor. The goal of this study was to characterize the c-kit/SCF autocrine loop in peripheral blood NK cells obtained from patients with cancer...
July 10, 2017: Immunity, Inflammation and Disease
https://www.readbyqxmd.com/read/28656507/the-stem-cell-factor-scf-c-kit-signalling-in-testis-and-prostate-cancer
#14
Henrique J Cardoso, Marília I Figueira, Sílvia Socorro
The stem cell factor (SCF) is a cytokine that specifically binds the tyrosine kinase receptor c-KIT. The SCF/c-KIT interaction leads to receptor dimerization, activation of kinase activity and initiation of several signal transduction pathways that control cell proliferation, apoptosis, differentiation and migration in several tissues. The activity of SCF/c-KIT system is linked with the phosphatidylinositol 3-kinase (PI3-K), the Src, the Janus kinase/signal transducers and activators of transcription (JAK/STAT), the phospholipase-C (PLC-γ) and the mitogen-activated protein kinase (MAPK) pathways...
June 27, 2017: Journal of Cell Communication and Signaling
https://www.readbyqxmd.com/read/28648062/resveratrol-improved-the-progression-of-chronic-prostatitis-via-the-downregulation-of-c-kit-scf-by-activating-sirt1
#15
Yi He, Huizhi Zeng, Yang Yu, Jiashu Zhang, Xiaona Zeng, Fengtao Gong, Xingping Duan, Qi Liu, Bo Yang
The regulation mechanism of inflammation inducing prostate carcinogenesis remains largely unknown. Therefore, we investigated the role of the c-kit/SCF pathway, which has been associated with the control of prostate carcinogenesis, in chronic prostatitis (CP) rats and evaluated the anti-prostatitis effect of resveratrol. We performed hemolysin and eosin staining to evaluate the histopathological changes in prostates. Multiple approaches evaluated the expression levels of c-kit, stem cell factor (SCF), Sirt1, and carcinogenesis-associated proteins...
July 19, 2017: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/28629522/erythropoietin-stem-cell-factor-and-cancer-cell-migration
#16
Maria J Vazquez-Mellado, Victor Monjaras-Embriz, Leticia Rocha-Zavaleta
Cell migration of normal cells is tightly regulated. However, tumor cells are exposed to a modified microenvironment that promotes cell migration. Invasive migration of tumor cells is stimulated by receptor tyrosine kinases (RTKs) and is regulated by growth factors. Erythropoietin (Epo) is a glycoprotein hormone that regulates erythropoiesis and is also known to be a potent chemotactic agent that induces cell migration by binding to its receptor (EpoR). Expression of EpoR has been documented in tumor cells, and the potential of Epo to induce cell migration has been explored...
2017: Vitamins and Hormones
https://www.readbyqxmd.com/read/28627603/role-of-stem-cell-factor-in-the-regulation-of-icc-proliferation-and-detrusor-contraction-in-rats-with-an-underactive-bladder
#17
Jianli Feng, Jin Gao, Shan Zhou, Yuanfeng Liu, Yu Zhong, Yong Shu, Ming Sen Meng, Jiaqiang Yan, Danning Sun, Qiang Fang, Daodong Sun
Stem cell factor (SCF) is critical in regulating the proliferation, differentiation and function of the interstitial cells of Cajal (ICCs), which are closely associated with smooth muscle dysfunction. The present study aimed to examine the effect of SCF on ICC proliferation and detrusor contraction in rats with an underactive bladder. Sprague‑Dawley rats were divided into four groups comprising control, control+SCF, detrusor underactivity (DU), and DU+SCF groups. The ICC count was determined using immunofluorescence; serum levels of SCF were determined using an enzyme‑linked immunosorbent assay; mRNA and protein levels of c‑kit and SCF in tissues were assessed using reverse transcription‑quantitative polymerase chain reaction and western blot analyses, respectively...
August 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28604067/resveratrol-improves-cell-cycle-arrest-in-chronic-prostatitis-rats-by-c-kit-scf-suppression
#18
Yi He, Huizhi Zeng, Yang Yu, Jiashu Zhang, Xiaona Zeng, Fengtao Gong, Qi Liu, Bo Yang
Chronic prostatitis (CP) with complex pathogenesis is difficult for treatment. c-kit has been associated with the control of cell proliferation of prostate cells. This study aims to evaluate the role of resveratrol, an activator of Sirt1, in regulating the expression of c-kit in CP and investigate the consequent effects on cell cycle. Rat model of CP was established through subcutaneous injections of diphtheria-pertussis-tetanus vaccine and subsequently treated with resveratrol. Hematoxylin and eosin staining was performed to identify the histopathological changes in prostates...
August 2017: DNA and Cell Biology
https://www.readbyqxmd.com/read/28580775/persistent-distention-of-colon-damages-interstitial-cells-of-cajal-through-ca-2-erk-ap-1-mir-34c-scf-deregulation
#19
Shu Yang, Fang Dong, Dandan Li, Haimei Sun, Bo Wu, Tingyi Sun, Yaxi Wang, Ping Shen, Fengqing Ji, Deshan Zhou
Gastrointestinal motility disorders (GMDs) are attributed to loss of interstitial cells of Cajal (ICC), whose survival and function are deeply dependent on the activation of KIT/SCF signalling. Based on the facts that gastrointestinal distention is common in GMD patients and SCF produced by smooth muscle cells (SMCs) is usually decreased before ICC loss, we considered a possible contribution of persistent gastrointestinal distention/stretch to SCF deficiency. In this study, chronic colonic distention mouse model, diabetic gastrointestinal paresis mouse model, cultured mouse colonic SMCs and colon specimens from Hirschsprung's disease patients were used...
September 2017: Journal of Cellular and Molecular Medicine
https://www.readbyqxmd.com/read/28572686/use-of-patterned-collagen-coated-slides-to-study-normal-and-scleroderma-lung-fibroblast-migration
#20
Bahja Ahmed Abdi, Henry Lopez, Sarah Karrar, Elisabetta Renzoni, Athol Wells, Angela Tam, Oseme Etomi, J Justin Hsuan, George R Martin, Xu Shiwen, Christopher P Denton, David Abraham, Richard Stratton
Systemic sclerosis (SSc) is a spreading fibrotic disease affecting the skin and internal organs. We aimed to model pathogenic fibroblast migration in SSc in order to identify enhancing factors, measure the effect of migrating cells on underlying extracellular matrix (ECM) and test possible therapeutic inhibitors. Novel patterned collagen substrates were used to investigate alignment and migration of skin and lung fibroblasts from SSc patients and healthy controls. Normal lung but not skin fibroblasts consistently elongated and aligned with underlying collagen and migrated dependent on PDGF or serum...
June 1, 2017: Scientific Reports
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