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https://www.readbyqxmd.com/read/28440735/nuclear-factor-e2-related-factor-2-knockdown-enhances-glucose-uptake-and-alters-glucose-metabolism-in-aml12-hepatocytes
#1
Xiaoyang Yuan, Huijing Huang, Yi Huang, Jinli Wang, Jinhua Yan, Ling Ding, Cuntai Zhang, Le Zhang
Nuclear factor E2-related factor 2 (Nrf2) is a transcription factor known to induce the expression of a variety of antioxidant and detoxification genes. Recently, increasing evidence has revealed roles for Nrf2 in glucose, lipid, and energy metabolism; however, the exact functions of Nrf2 in hepatocyte biology are largely unclear. In the current study, the transient knockdown of Nrf2 via siRNA transfection enhanced the glucose uptake of fasting AML12 hepatocytes to 325.3 ± 11.1% ( P < 0.05) of that of untransfected control cells...
May 2017: Experimental Biology and Medicine
https://www.readbyqxmd.com/read/28440447/anti%C3%A2-inflammatory-effects-of-oxymatrine-on-rheumatoid-arthritis-in-rats-via-regulating-the-imbalance-between-treg-and-th17-cells
#2
Ailing Ma, Yongya Yang, Qiuyang Wang, Yin Wang, Jing Wen, Yanli Zhang
Oxymatrine (OMT), a monosomic alkaloid extracted from the Chinese herb, Sophora flavescens Ait, has long been used as a traditional Chinese medicine for the treatment of inflammatory diseases. The aim of the present study was to investigate the potential anti‑inflammatory effect of OMT, and its modulation on imbalance between regulatory T (Treg) cells and T helper (Th) 17 cells in rats with collagen‑induced arthritis (CIA). Sprague‑Dawley rats were immunized with type II collagen and following a second collagen immunization, the rats were treated with OMT or dexamethasone (DXM) intraperitoneally once a day for 43 days...
April 19, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28440206/role-of-foxm1-in-the-progression-and-epithelial-to-mesenchymal-transition-of-gastrointestinal-cancer
#3
Jing Zhang, Yangyang Niu, Chen Huang
Background and Objective:Gastrointestinal (GI) cancer, characterized by its leading mortality, is one of the most common cancers worldwide. The underlying mechanisms contributing to epithelial to mesenchymal transition (EMT) and metastasis of GI cancer is poorly understood. It is well known that a great number of transcription factors including FoxM1, KLF4, STAT3 and so forth, are associated with the process of EMT and have also been strongly implicated in the proliferation, migration, and invasion of GI cancer cells...
April 24, 2017: Recent Patents on Anti-cancer Drug Discovery
https://www.readbyqxmd.com/read/28440200/effect-of-halofuginone-on-the-pathogenesis-of-autoimmune-thyroid-disease-in-different-mice-models
#4
Xin Hou, Jin Zhou, Rong Yang, Shanshan Liu, Mei Bi, Tong Liu, Chenling Fan, Haixia Guan, Yushu Li, Zhongyan Shan, Weiping Teng
OBJECTIVE: Our objectives were to investigate the therapeutic effect of halofuginone (HF) in the treatment of autoimmune thyroid diseases (AITDs) and explore its underlying mechanism of action. METHODS: The Graves&#039; disease (GD) model was generated by immunizing female BALB/c mice with adenovirus expressing the TSH receptor A subunit (Ad-TSHR289). The Ad-TSHRA+HF and Ad-TSHRA+DMSO groups were injected intraperitoneally with HF or the vehicle control (DMSO), respectively...
April 23, 2017: Endocrine, Metabolic & Immune Disorders Drug Targets
https://www.readbyqxmd.com/read/28437004/4-4-dichlorodiphenyltrichloroethane-ddt-and-4-4-dichlorodiphenyldichloroethylene-dde-inhibit-myogenesis-in-c2c12-myoblasts
#5
Jonggun Kim, Min Young Park, Yoo Kim, Kyong Sup Yoon, John Marshall Clark, Yeonhwa Park, Kwang-Youn Whang
BACKGROUND: Most countries have banned the use of 4,4'-Dichlorodiphenyltrichloroethane (DDT). However, due to its extremely high lipophilic characteristics, DDT and its metabolite 4,4'-dichlorodiphenyldichloroethylene (DDE) are ubiquitous in the environment and in many types of food. The positive correlation between exposure to insecticides, including DDT and DDE, and weight gain, resulting in impaired energy metabolism in offspring following perinatal DDT and DDE exposure was previously reported...
April 24, 2017: Journal of the Science of Food and Agriculture
https://www.readbyqxmd.com/read/28436938/geminin-facilitates-foxo3-deacetylation-to-promote-breast-cancer-cell-metastasis
#6
Lei Zhang, Meizhen Cai, Zhicheng Gong, Bingchang Zhang, Yuanpei Li, Li Guan, Xiaonan Hou, Qing Li, Gang Liu, Zengfu Xue, Muh-Hua Yang, Jing Ye, Y Eugene Chin, Han You
Geminin expression is essential for embryonic development and the maintenance of chromosomal integrity. In spite of this protective role, geminin is also frequently overexpressed in human cancers and the molecular mechanisms underlying its role in tumor progression remain unclear. The histone deacetylase HDAC3 modulates transcription factors to activate or suppress transcription. Little is known about how HDAC3 specifies substrates for modulation among highly homologous transcription factor family members. Here, we have demonstrated that geminin selectively couples the transcription factor forkhead box O3 (FoxO3) to HDAC3, thereby specifically facilitating FoxO3 deacetylation...
April 24, 2017: Journal of Clinical Investigation
https://www.readbyqxmd.com/read/28436000/foxo3a-suppression-and-vps34-activity-are-essential-to-anti-atrophic-effects-of-leucine-in-skeletal-muscle
#7
Igor L Baptista, João G Silvestre, William J Silva, Siegfried Labeit, Anselmo S Moriscot
Our aim is to gain insight into the mechanisms underlying the anti-atrophic effects of leucine, namely, the way that this amino acid can restrain the up-regulation of MuRF1 and Mafbx/Atrogin-1 in muscle atrophy. Male rats received dietary leucine supplementation for 1-3 days, during which time their hind limbs were immobilized. Our results showed that leucine inhibited Forkhead Box O3 (FoxO3a) translocation to cell nuclei. In addition, leucine was able to reverse the expected reduction of FoXO3a ubiquitination caused by immobilization...
April 24, 2017: Cell and Tissue Research
https://www.readbyqxmd.com/read/28435457/tumor-hypoxia-regulates-forkhead-box-c1-to-promote-lung-cancer-progression
#8
Yu-Jung Lin, Woei-Cherng Shyu, Chi-Wei Chang, Chi-Chung Wang, Chung-Pu Wu, Hsu-Tung Lee, Liang-Jwu Chen, Chia-Hung Hsieh
Forkhead box C1 (FOXC1) is a member of the forkhead family of transcription factors that are characterized by a DNA-binding forkhead domain. Increasing evidence indicates that FOXC1 is involved in tumor progression. However, the role of tumor hypoxia in FOXC1 regulation and its impact on lung cancer progression are unclear. Here, we report that FOXC1 was upregulated in hypoxic areas of lung cancer tissues from rodents or humans. Hypoxic stresses significantly induced FOXC1 expression. Moreover, hypoxia activated FOXC1 transcription via direct binding of hypoxia-inducible factor-1α (HIF-1α) to the hypoxia-responsive element (HRE) in the FOXC1 promoter...
2017: Theranostics
https://www.readbyqxmd.com/read/28432281/the-role-of-non-thermal-atmospheric-pressure-biocompatible-plasma-in-the-differentiation-of-osteoblastic-precursor-cells-mc3t3-e1
#9
Ihn Han, Eun Ha Choi
Non-thermal atmospheric pressure plasma is ionized matter, composed of highly reactive species that include positive ions, negative ions, free radicals, neutral atoms, and molecules. Recent reports have suggested that non-thermal biocompatible plasma (NBP) can selectively kill a variety of cancer cells, and promote stem cell differentiation. However as of yet, the regulation of proliferation and differentiation potential of NBP has been poorly understood.Here, we investigated the effects of NBP on the osteogenic differentiation of precursor cell lines of osteoblasts, MC3T3 E1 and SaOS-2...
April 4, 2017: Oncotarget
https://www.readbyqxmd.com/read/28430585/foxd3-regulates-anaplastic-thyroid-cancer-progression
#10
Huabin Yin, Tong Meng, Lei Zhou, Feixing Zhao, Xiufang Li, Yundong Li, Mengjun Hu, Haiyan Chen, Dianwen Song
Anaplastic thyroid cancer (ATC) is an aggressive malignancy with poor prognosis. It was reported that Forkhead box D3 (FOXD3) transcription factor is associated with several cancers. We investigated its antitumorigenic role of ATC in this study. The ATC cell lines SW1736 and K18 exhibited lower FOXD3 expression than the Nthy-ori-3-1 normal thyroid cell line. FOXD3 downregulation in ATC cell lines promoted invasiveness and epithelial-to-mesenchymal transition (EMT) and decreased cellular apoptosis. FOXD3 silencing also enhanced p-ERK levels in the ATC cell lines, suggesting it negatively regulated MAPK/ERK signaling...
April 5, 2017: Oncotarget
https://www.readbyqxmd.com/read/28429284/foxo1-attenuates-naf-induced-apoptosis-of-ls8-cells-through-the-jnk-and-mitochondrial-pathways
#11
Juedan Li, Lin Zhao, Xiaomeng Zhao, Peng Wang, Yan Liu, Jianping Ruan
Fluoride-induced ameloblast apoptosis is a key event in dental fluorosis development. Forkhead box o1 (Foxo1) is a transcription factor involved in cell apoptosis. The present study aims to investigate the effect of Foxo1 on ameloblast apoptosis induced by fluoride in vitro and to explore its possible mechanism. Ameloblast-like cells (LS8 cells) were exposed to various concentrations of NaF for up to 48 h. Foxo1 activation was modulated using lentiviral vectors, and cell apoptosis was measured by flow cytometry...
April 20, 2017: Biological Trace Element Research
https://www.readbyqxmd.com/read/28427178/prognostic-value-of-foxm1-in-solid-tumors-a-systematic-review-and-meta-analysis
#12
Lijun Li, Dang Wu, Qun Yu, Lingdi Li, Pin Wu
Accumulated studies have provided controversial evidences of the association between Forkhead Box M1 (FOXM1) expression and survival of human solid tumors. To address this inconsistency, we performed a meta-analysis with 23 studies identified from PubMed and Medline. We found elevated FOXM1-protein expression was significantly associated with worse 3-year overall survival (OS) (OR = 3.30, 95% CI = 2.56 to 4.25, P < 0.00001) 5-year OS (OR =3.35, 95% CI = 2.64 to 4.26, P < 0.00001) and 10-year OS (OR = 5...
February 27, 2017: Oncotarget
https://www.readbyqxmd.com/read/28424160/heterogeneous-nuclear-ribonucleoprotein-f-stimulates-sirtuin-1-gene-expression-and-attenuates-nephropathy-progression-in-diabetic-mice
#13
Chao-Sheng Lo, Yixuan Shi, Isabelle Chenier, Anindya Ghosh, Chin-Han Wu, Jean-Francois Cailhier, Jean Ethier, Jean-Baptiste Lattouf, Janos G Filep, Julie R Ingelfinger, Shao-Ling Zhang, John S D Chan
We investigated the mechanism of heterogeneous nuclear ribonucleoprotein F (hnRNP F) renoprotective action on a type 2 diabetic (T2D) (db/db) mice. Immortalized rat renal proximal tubular cells (IRPTCs) and human T2D kidneys were also studied. Db/db mice developed hyperglycemia, oxidative stress and nephropathy at age 20 weeks compared to their db/m littermates. These abnormalities, with the exception of hyperglycemia, were attenuated in db/db hnRNP F-transgenic (Tg) mice specifically overexpressing hnRNP F in their RPTCs...
April 19, 2017: Diabetes
https://www.readbyqxmd.com/read/28421313/association-between-forkhead-box-p2-gene-polymorphism-and-clinical-symptoms-in-chronic-schizophrenia-in-a-chinese-population
#14
Wenwang Rao, Xiangdong Du, Yingyang Zhang, Qiong Yu, Li Hui, Yaqin Yu, Changgui Kou, Guangzhong Yin, Xiaomin Zhu, Lijuan Man, Jair C Soares, Xiang Yang Zhang
The forkhead-box P2 (FOXP2) gene polymorphism has been reported to be involved in the susceptibility to schizophrenia; however, few studies have investigated the association between FOXP2 gene polymorphism and clinical symptoms in schizophrenia. This study investigated whether the FOXP2 gene was associated with the development and symptoms of schizophrenia in relatively genetically homogeneous Chinese population. The FOXP2 rs10447760 polymorphism was genotyped in 1069 schizophrenia inpatients and 410 healthy controls using a case-control design...
April 18, 2017: Journal of Neural Transmission
https://www.readbyqxmd.com/read/28420758/the-foxm1-inhibitor-rcm-1-suppresses-goblet-cell-metaplasia-and-prevents-il-13-and-stat6-signaling-in-allergen-exposed-mice
#15
Lifeng Sun, Xiaomeng Ren, I-Ching Wang, Arun Pradhan, Yufang Zhang, Hannah M Flood, Bo Han, Jeffrey A Whitsett, Tanya V Kalin, Vladimir V Kalinichenko
Goblet cell metaplasia and excessive mucus secretion associated with asthma, cystic fibrosis, and chronic obstructive pulmonary disease contribute to morbidity and mortality worldwide. We performed a high-throughput screen to identify small molecules targeting a transcriptional network critical for the differentiation of goblet cells in response to allergens. We identified RCM-1, a nontoxic small molecule that inhibited goblet cell metaplasia and excessive mucus production in mice after exposure to allergens...
April 18, 2017: Science Signaling
https://www.readbyqxmd.com/read/28413501/usp39-regulates-the-growth-of-smmc-7721-cells-via-foxm1
#16
Xianwen Yuan, Xitai Sun, Xiaolei Shi, Chunping Jiang, Decai Yu, Weiwei Zhang, Yitao Ding
The present study investigated ubiquitin specific peptidase 39 (USP39) gene knockdown on SMMC-7721 cells in vitro and in vivo, and the role of USP39 in regulating the growth of hepatocellular carcinoma (HCC). Two small interfering RNAs (siRNA) were constructed, which targeted the USP39 gene and control sequences were synthesized and inserted into a pGCSIL-GFP lentiviral vector. The full length of USP39 cDNA was amplified by polymerase chain reaction (PCR) and cloned into pEGFP-N2, and the recombinant plasmids were transfected into cells...
April 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28413482/dysfunction-of-the-thymus-in-mice-with-hypertension
#17
Xianliang Dai, Shuaibo Huang, Zhiqing He, Feng Wu, Ru Ding, Yihong Chen, Chun Liang, Zonggui Wu
The aim of this study was to evaluate thymus function in mice with hypertension. A total of 60 C57BL/6J mice were randomized into control, sham surgery and two-kidney, one-clip groups (n=20 in each). At 4 or 8 weeks after surgery, mice were sacrificed, and blood, spleens, kidneys and thymuses were harvested. The results of reverse transcription-quantitative polymerase chain reaction analysis revealed that the mRNA levels of Forkhead box protein N1 (Foxn1) and autoimmune regulator (AIRE) in the thymus tissue of mice from the HTN group were significantly lower than those from the control group at 4 and 8 weeks (P<0...
April 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28412591/baseline-%C3%AE-catenin-programmed-death-ligand-1-expression-and-tumour-infiltrating-lymphocytes-predict-response-and-poor-prognosis-in-braf-inhibitor-treated-melanoma-patients
#18
Daniela Massi, Emanuela Romano, Eliana Rulli, Barbara Merelli, Romina Nassini, Francesco De Logu, Ivan Bieche, Gianna Baroni, Laura Cattaneo, Gongda Xue, Mario Mandalà
BACKGROUND: The activation of oncogenic Wnt/β-catenin pathway in melanoma contributes to a lack of T-cell infiltration. Whether baseline β-catenin expression in the context of tumour-infiltrating lymphocytes (TILs) and programmed death ligand-1 (PD-L1) overexpression correlates with prognosis of metastatic melanoma patients (MMPs) treated with mitogen-activated protein kinase, MAPK inhibitor (MAPKi) monotherapy, however, has not been fully clarified. PATIENTS AND METHODS: Sixty-four pre-treatment formalin-fixed and paraffin embedded melanoma samples from MMP treated with a BRAF inhibitor (n = 39) or BRAF and MEK inhibitors (n = 25) were assessed for presence of β-catenin, PD-L1, cluster of differentiation (CD)8, CD103 and forkhead box protein P3 (FOXP3) expression by immunohistochemistry, and results were correlated with clinical outcome...
April 13, 2017: European Journal of Cancer
https://www.readbyqxmd.com/read/28410469/18%C3%AE-glycyrrhetinic-acid-the-major-bioactive-component-of-glycyrrhizae-radix-attenuates-airway-inflammation-by-modulating-th2-cytokines-gata-3-stat6-and-foxp3-transcription-factors-in-an-asthmatic-mouse-model
#19
Seung-Hyung Kim, Jung-Hee Hong, Ji-Eun Lee, Young-Cheol Lee
18β-Glycyrrhetinic acid (18Gly), the major bioactive component of Glycyrrhizae Radix, possesses anti-ulcerative, anti-inflammatory, and other pharmacological properties. Although 18Gly is associated with immunoregulatory functions of allergic diseases, the pathophysiological mechanisms of 18Gly action in allergic inflammatory lung disease have not been examined. Moreover, there are no in vivo studies on the anti-asthmatic effects of 18Gly in allergic asthma. We investigated its effect and mechanism of action in airway inflammation in a BALB/c mouse model of allergic asthma...
March 20, 2017: Environmental Toxicology and Pharmacology
https://www.readbyqxmd.com/read/28408745/sumoylation-of-foxp1-regulates-transcriptional-repression-via-ctbp1-to-drive-dendritic-morphogenesis
#20
Daniel L Rocca, Kevin A Wilkinson, Jeremy M Henley
Forkhead Box P (FOXP) transcriptional repressors play a major role in brain development and their dysfunction leads to human cognitive disorders. However, little is known about how the activity of these proteins is regulated. Here, we show that FOXP1 SUMOylation at lysine 670 is required for recruiting the co-repressor CtBP1 and transcriptional repression. FOXP1 SUMOylation is tightly controlled by neuronal activity, in which synapse to nucleus signalling, mediated via NMDAR and L-type calcium channels, results in rapid FOXP1 deSUMOylation...
April 13, 2017: Scientific Reports
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