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https://www.readbyqxmd.com/read/28635400/the-long-noncoding-rna-foxcut-promotes-proliferation-and-migration-by-targeting-foxc1-in-nasopharyngeal-carcinoma
#1
Yu-Zhong Xu, Fang-Fang Chen, Yu Zhang, Qin-Fei Zhao, Xiao-Long Guan, Hai-Yong Wang, Ang Li, Xin Lv, Shu-Sheng Song, Ying Zhou, Xiao-Jun Li
Long noncoding RNAs play an important role in various biological processes, including tumorigenesis. FOXC1 (Forkhead box C1) is a member of the Forkhead box family of transcription factors and plays a crucial role in nasopharyngeal carcinoma. In this study, a novel long noncoding RNA (FOXCUT) located upstream of FOXC1 was investigated in 42 nasopharyngeal carcinoma patients. Our analysis revealed that the expression levels of FOXCUT and FOXC1 in nasopharyngeal carcinoma tissues were significantly higher than those observed in chronic nasopharyngitis tissues and that FOXCUT expression was positively correlated with FOXC1 expression...
June 2017: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
https://www.readbyqxmd.com/read/28631500/pancreatic-%C3%AE-cell-survival-and-proliferation-are-promoted-by-protein-kinase-g-type-i%C3%AE-and-downstream-regulation-of-akt-foxo1
#2
Janica C Wong, Van Vo, Priyatham Gorjala, Ronald R Fiscus
Early studies showed nitric oxide as a pro-inflammatory-cytokine-induced toxin involved in pancreatic β-cell destruction during pathogenesis of type-1 diabetes. However, nitric oxide has both cytotoxic and cytoprotective effects on mammalian cells, depending on concentration and micro-environmental surroundings. Our studies have shown that low/physiological-level nitric oxide selectively activates protein kinase G type Iα isoform, promoting cytoprotective/pro-cell-survival effects in many cell types. In bone marrow-derived stromal/mesenchymal stem cells, protein kinase G type Iα mediates autocrine effects of nitric oxide and atrial natriuretic peptide, promoting DNA-synthesis/proliferation and cell survival...
June 1, 2017: Diabetes & Vascular Disease Research
https://www.readbyqxmd.com/read/28630656/physical-activity-black-carbon-exposure-and-dna-methylation-in-the-foxp3-promoter
#3
Stephanie Lovinsky-Desir, Kyung Hwa Jung, Jacqueline R Jezioro, David Z Torrone, Mariangels de Planell-Saguer, Beizhan Yan, Frederica P Perera, Andrew G Rundle, Matthew S Perzanowski, Steven N Chillrud, Rachel L Miller
BACKGROUND: Physical activity is associated with improvement in lung function; however, pollution exposure during physical activity can lead to a transient reduction in lung function. This paradoxical relationship may be linked to altered T regulatory (Treg) cell activity, which increases with exercise and suppresses airway inflammation, but decreases in association with exposure to air pollution. To clarify these relationships, we investigated buccal cell DNA methylation of the forkhead box p3 (FOXP3) gene promoter, a proposed biomarker of Treg activity...
2017: Clinical Epigenetics
https://www.readbyqxmd.com/read/28630384/modulation-of-cd4-t-cell-subsets-by-euphorbia-microciadia-and-euphorbia-osyridea-plant-extracts
#4
Haideh Namdari, Maryam Izad, Zahra Amirghofran
BACKGROUND: Euphorbia plants are traditionally used in folk medicine for infections, inflammation, and cancer. OBJECTIVES: To investigate the effects of the butanolic extracts of Euphorbia micorociadia and Euphorbia osyridea on specific transcription factors and cytokines expression of T cell subsets. METHODS: Activated mouse splenocytes were cultured in the presence of non-cytotoxic concentrations of the extracts. Cells were evaluated for the gene expressions of T cell transcription factors and cytokines of T helper (Th)1 [T-bet and interferon gamma (IFNγ)], Th17 [retinoic acid receptor related orphan receptor (RORγt) and interleukin (IL)-17], and T regulatory (Treg) cells [forkhead box P3(Foxp3), IL-10, and Transforming growth factor (TGF)-β] using real-time PCR...
June 2017: Iranian Journal of Immunology: IJI
https://www.readbyqxmd.com/read/28630002/inhibition-of-wnt-%C3%AE-catenin-signaling-by-iwr1-induces-expression-of-foxd3-to-promote-mouse-epiblast-stem-cell-self-renewal
#5
Kuisheng Liu, Yuanyuan Sun, Dahai Liu, Shoudong Ye
Inhibition of Wnt/β-catenin signaling facilitates the derivation of mouse epiblast stem cells (EpiSCs), as well as dramatically promotes EpiSC self-renewal. The specific mechanism, however, is still unclear. Here, we showed that IWR1, a Wnt/β-catenin signaling inhibitor, allowed long-term self-renewal of EpiSCs in serum medium in combination with ROCK inhibitor Y27632. Through transcriptome data analysis, we arrived at a set of candidate transcription factors induced by IWR1. Among these, Forkhead box D3 (Foxd3) was most abundant...
June 16, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28629477/identification-of-egf-nf-%C3%AE%C2%BAb-foxc1-signaling-axis-in-basal-like-breast-cancer
#6
Stacey Chung, Yanli Jin, Bingchen Han, Ying Qu, Bowen Gao, Armando E Giuliano, Xiaojiang Cui
BACKGROUND: The pathogenesis of human basal-like breast cancer (BLBC) is not well understood and patients with BLBC have a poor prognosis. Expression of the epidermal growth factor receptor (EGFR) and nuclear factor-κB (NF-κB) is well-known to be upregulated in BLBC. The forkhead box C1 (FOXC1) transcription factor, an important prognostic biomarker specific for BLBC, has been shown to be induced by EGF and is critical for EGF effects in breast cancer cells. How FOXC1 is transcriptionally activated in BLBC is not clear...
June 19, 2017: Cell Communication and Signaling: CCS
https://www.readbyqxmd.com/read/28629226/no-significant-impact-of-foxf1-sirna-treatment-in-acute-and-chronic-ccl4-liver-injury
#7
Kerstin Abshagen, Tobias Rotberg, Berit Genz, Brigitte Vollmar
Chronic liver injury of any etiology is the main trigger of fibrogenic responses and thought to be mediated by hepatic stellate cells. Herein, activating transcription factors like forkhead box f1 are described to stimulate pro-fibrogenic genes in hepatic stellate cells. By using a liver-specific siRNA delivery system (DBTC), we evaluated whether forkhead box f1 siRNA treatment exhibit beneficial effects in murine models of acute and chronic CCl4-induced liver injury. Systemic administration of DBTC-forkhead box f1 siRNA in mice was only sufficient to silence forkhead box f1 in acute CCl4 model, but was not able to attenuate liver injury as measured by liver enzymes and necrotic liver cell area...
January 1, 2017: Experimental Biology and Medicine
https://www.readbyqxmd.com/read/28624654/insulin-signaling-an-opportunistic-target-to-minify-risk-of-alzheimer-s-disease
#8
REVIEW
Rohit Pardeshi, Nityanand Bolshette, Kundlik Gadhave, Ashutosh Ahire, Sahabuddin Ahmed, Tommaso Cassano, Veer Bala Gupta, Mangala Lahkar
Alzheimer's disease (AD) is progressive neurodegenerative disorder characterized by accumulation of senile plaques, neurofibrillary tangles (NFT) and neurodegeneration. The diabetes mellitus (DM) is one of the risk factors for AD pathogenesis by impairment in insulin signaling and glucose metabolism in central as well as peripheral system. Insulin resistance, impaired glucose and lipid metabolism lead to the Aβ (Aβ) aggregation, Tau phosphorylation, mitochondrial dysfunction, oxidative stress, protein misfolding, memory impairment and also mark over Aβ transport through central to peripheral and vice versa...
May 30, 2017: Psychoneuroendocrinology
https://www.readbyqxmd.com/read/28624205/atg7-overexpression-is-crucial-for-tumorigenic-growth-of-bladder-cancer-in%C3%A2-vitro-and-in%C3%A2-vivo-by-targeting-the-ets2-mirna196b-foxo1-p27-axis
#9
Junlan Zhu, Yang Li, Zhongxian Tian, Xiaohui Hua, Jiayan Gu, Jingxia Li, Claire Liu, Honglei Jin, Yulei Wang, Guosong Jiang, Haishan Huang, Chuanshu Huang
Human bladder cancer (BC) is the fourth most common cancer in the United States. Investigation of the strategies aiming to elucidate the tumor growth and metastatic pathways in BC is critical for the management of this disease. Here we found that ATG7 expression was remarkably elevated in human bladder urothelial carcinoma and N-butyl-N-(4-hydroxybutyl)nitrosamine (BBN)-induced mouse invasive BC. Knockdown of ATG7 resulted in a significant inhibitory effect on tumorigenic growth of human BC cells both in vitro and in vivo by promoting p27 expression and inducing cell cycle arrest at G2/M phase...
June 16, 2017: Molecular Therapy. Nucleic Acids
https://www.readbyqxmd.com/read/28622065/leptin-gene-transfer-improves-symptoms-of-type-2-diabetic-mice-by-regulating-leptin-signaling-pathway-and-insulin-resistance-of-peripheral-tissues
#10
Lan Xiang, Jing Li, Qian Wang, Ruiqi Tang, Jianhua Qi
The leptin gene was transferred into the liver of streptozocin- and high fat diet-induced type 2 diabetic (T2D) mice by hydrodynamic-based gene delivery. The food intake, water consumption, glucose concentration, and triglyceride, total cholesterol levels of T2D mice were significantly decreased. Meanwhile, plasma leptin was remarkably increased after gene transfer for 2, 3, 5, and 7 days, while plasma adiponectin was also significantly increased at day 2. To understand the mechanism of action of leptin on T2D mice, gene expressions related to glycometabolism and energy metabolism in the liver, epididymal adipose tissue, hypothalamus, and muscle were measured...
June 16, 2017: Human Gene Therapy
https://www.readbyqxmd.com/read/28621227/expression-of-epithelial-mesenchymal-transition-driver-brachyury-and-status-of-tumor-infiltrating-cd8-and-foxp3-lymphocytes-in-predicting-treatment-responses-to-neoadjuvant-chemotherapy-of-breast-cancer
#11
Kwan Ho Lee, Eun Young Kim, Yong Lai Park, Sung-Im Do, Seoung Wan Chae, Chan Heun Park
Brachyury has been characterized as a driver of epithelial-mesenchymal transition process which is regarded as an important mechanism of cancer cell invasion and metastatic progression. The status of tumor-infiltrating lymphocytes has been proposed to predict response to neoadjuvant chemotherapy in breast cancer. We investigated the clinical significance and value of tumor-infiltrating lymphocytes and brachyury as biomarkers to predict treatment responses to neoadjuvant chemotherapy in breast cancer. We also examined the correlation of the Neo-Bioscore with tumor-infiltrating lymphocytes and brachyury to indirectly predict long-term outcome...
June 2017: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
https://www.readbyqxmd.com/read/28615473/forkhead-box-transcription-factor-l2-activates-fcp3c-to-regulate-insect-chorion-formation
#12
Yu-Xuan Ye, Peng-Lu Pan, Ji-Yu Xu, Zhang-Fei Shen, Dong Kang, Jia-Bao Lu, Qing-Lin Hu, Hai-Jian Huang, Yi-Han Lou, Nai-Ming Zhou, Chuan-Xi Zhang
Most animals are oviparous. However, the genes regulating egg shell formation remain not very clear. In this study, we found that Nilaparvata lugens Forkhead box transcription factor L2 (NlFoxL2) directly activated follicle cell protein 3C (NlFcp3C) to regulate chorion formation. NlFoxL2 and NlFcp3C had a similar expression pattern, both highly expressed in the follicular cells of female adults. Knockdown of NlFoxL2 or NlFcp3C also resulted in the same phenotypes: obesity and female infertility. RNA interference (RNAi) results suggested that NlFcp3C is a downstream gene of NlFoxL2 Furthermore, transient expression showed that NlFoxL2 could directly activate the NlFcp3C promoter...
June 2017: Open Biology
https://www.readbyqxmd.com/read/28615107/-preparation-and-characterization-of-mouse-polyclonal-antibody-against-conserved-region-of-human-foxo3
#13
Lei Li, Dan Lyu
Objective To purify the recombinant protein specific to conserved region of forkhead box O3 (FOXO3) and prepare mouse anti-human FOXO3 polyclonal antibody. Methods The DNA fragment (aa290-472) encoding conserved domain of FOXO3 was amplified by PCR, and subsequently cloned into pET28a vector. Following transformation into E.coli BL21, the soluble fusion protein His-FOXO3 was induced by IPTG and purified by Ni-NTA affinity chromatography. The purified protein was used to immunize BALB/c mice to generate polyclonal antibody...
June 2017: Xi Bao Yu Fen Zi Mian Yi Xue za Zhi, Chinese Journal of Cellular and Molecular Immunology
https://www.readbyqxmd.com/read/28608409/neoadjuvant-chemoradiotherapy-of-pancreatic-cancer-induces-a-favorable-immunogenic-tumor-microenvironment-associated-with-increased-major-histocompatibility-complex-class-i-related-chain-a-b-expression
#14
Takashi Murakami, Yuki Homma, Ryusei Matsuyama, Ryutaro Mori, Kentaro Miyake, Yusaku Tanaka, Kanechika Den, Yoji Nagashima, Masatoshi Nakazawa, Yukihiko Hiroshima, Michio Ueda, Kuniya Tanaka, Robert M Hoffman, Michael Bouvet, Itaru Endo
BACKGROUND: Damage-associated molecular patterns (DAMPs) are related to immune responses in malignant tumors including tumor-infiltrating lymphocytes (TILs). The aim of the present study was to determine the relationship between expression of components of DAMPs and TILs in pancreatic cancer patients who underwent neoadjuvant chemoradiotherapy (NACRT) versus those who did not. METHODS: NACRT was administered to 51 patients with borderline-resectable pancreatic cancer and not to 33 patients with resectable pancreatic cancer...
June 12, 2017: Journal of Surgical Oncology
https://www.readbyqxmd.com/read/28608288/substance-p-effects-exclusively-on-prototypic-neurons-in-mouse-globus-pallidus
#15
Kazuko Mizutani, Susumu Takahashi, Shinichiro Okamoto, Fuyuki Karube, Fumino Fujiyama
Previous studies have suggested that the neurokinin-1 receptor (NK-1R) expressing neurons in the globus pallidus (GP) receive substance P (SP), presumably released by axon collaterals of striatal direct neurons. However, the effect of SP on the GP remains unclear. In this study, we identified that the SP-responsive cells comprise a highly specific cell type in the GP with regard to immunofluorescence, electrophysiology, and projection properties. Morphologically, NK-1R-immunoreactive neurons occasionally co-expressed parvalbumin (PV) and/or Lim-homeobox 6 (Lhx6), but not Forkhead box protein P2 (FoxP2), which is mainly expressed by arkypallidal neurons...
June 12, 2017: Brain Structure & Function
https://www.readbyqxmd.com/read/28606240/-effects-of-vasoactive-intestinal-peptide-on-airway-inflammation-and-th17-treg-balance-in-asthmatic-mice
#16
Li-Qin Ke, Feng-Mei Wang, Yun-Chun Luo
OBJECTIVE: To investigate the effects of vasoactive intestinal peptide (VIP) on the airway inflammation and its regulatory effect on Th17/Treg imbalance in asthmatic mice. METHODS: A total of 30 BALB/c mice were equally and randomly divided into three groups: control, asthma, and VIP. An acute asthmatic mouse model was established by sensitization and challenge with ovalbumin (OVA). The control group received normal saline instead of OVA. Before the challenge with OVA, the VIP group was administered VIP (20 μg/mL) by aerosol inhalation for 30 minutes...
June 2017: Zhongguo Dang Dai Er Ke za Zhi, Chinese Journal of Contemporary Pediatrics
https://www.readbyqxmd.com/read/28603524/regulatory-t-cell-and-forkhead-box-protein-3-as-modulators-of-immune-homeostasis
#17
REVIEW
Leonn Mendes Soares Pereira, Samara Tatielle Monteiro Gomes, Ricardo Ishak, Antonio Carlos Rosário Vallinoto
The transcription factor forkhead box protein 3 (FOXP3) is an essential molecular marker of regulatory T cell (Treg) development in different microenvironments. Tregs are cells specialized in the suppression of inadequate immune responses and the maintenance of homeostatic tolerance. Studies have addressed and elucidated the role played by FOXP3 and Treg in countless autoimmune and infectious diseases as well as in more specific cases, such as cancer. Within this context, the present article reviews aspects of the immunoregulatory profile of FOXP3 and Treg in the management of immune homeostasis, including issues relating to pathology as well as immune tolerance...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28602957/mitochondrial-dynamics-signaling-is-shifted-toward-fusion-in-muscles-of-very-old-hip-fractured-patients-results-from-the-sarcopenia-in-hip-fracture-shift-exploratory-study
#18
Anna Picca, Riccardo Calvani, Maria Lorenzi, Amerigo Menghi, Marco Galli, Raffaele Vitiello, Francesco Randisi, Roberto Bernabei, Francesco Landi, Emanuele Marzetti
BACKGROUND: Mitochondrial quality control (MQC) is crucial for maintaining mitochondrial fitness. We investigated MQC signaling in muscle of old hip-fractured patients. METHODS: Twenty-three patients, enrolled in the Sarcopenia in HIp FracTure (SHIFT) study, were categorized into old (OL; n=8) and very old groups (VOL; n=15) using 85years as the cut-off. The expression of a set of MQC signaling proteins was assayed in vastus lateralis muscle biopsies. RESULTS: The content of lysosome-associated membrane protein 2, microtubule-associated protein 1 light chain 3B, optic atrophy protein 1, fission protein 1 (Fis1), peroxisome proliferator-activated receptor-γ coactivator-1α, and forkhead box O3 was unvaried between groups...
June 7, 2017: Experimental Gerontology
https://www.readbyqxmd.com/read/28601080/microrna-630-suppresses-epithelial-to-mesenchymal-transition-by-regulating-foxm1-in-gastric-cancer-cells
#19
Jing Feng, Xiaojuan Wang, Weihua Zhu, Si Chen, Changwei Feng
In the present study, we investigated the functional role of microRNA (miR)-630 in epithelial-to-mesenchymal transition (EMT) of gastric cancer (GC) cells, as well as the regulatory mechanism. Cells of human GC cell line SGC 7901 were transfected with miR-630 mimic or miR-630 inhibitor. The transfection efficiency was confirmed by qRT-PCR. Cell migration and invasion were determined by Transwell assay. Protein expression of E-cadherin, vimentin, and Forkhead box protein M1 (FoxM1) was tested by Western blot...
June 2017: Biochemistry. Biokhimii︠a︡
https://www.readbyqxmd.com/read/28599462/detection-of-tax-specific-ctls-in-lymph-nodes-of-adult-t-cell-leukemia-lymphoma-patients-and-its-association-with-foxp3-positivity-of-regulatory-t-cell-function
#20
Ayako Ichikawa, Hiroaki Miyoshi, Fumiko Arakawa, Junichi Kiyasu, Kensaku Sato, Daisuke Niino, Yoshizo Kimura, Maki Yoshida, Riko Kawano, Hiroko Muta, Yasuo Sugita, Koichi Ohshima
Human T-cell lymphotropic virus type (HTLV)-1 Tax is a viral protein that has been reported to be important in the proliferation of adult T-cell leukemia/lymphoma (ATLL) cells and to be a target of HTLV-1-specific cytotoxic T lymphocytes (CTLs). However, it is not clear how Tax-specific CTLs behave in lymph nodes of ATLL patients. The present study analyzed the immunostaining of Tax-specific CTLs. Furthermore, ATLL tumor cells are known to be positive for forkhead box P3 (Foxp3)and to have a regulatory T (Treg)-cell-like function...
June 2017: Oncology Letters
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