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https://www.readbyqxmd.com/read/27915346/mir-181a-targets-phlpp2-to-augment-akt-signaling-and-regulate-proliferation-and-apoptosis-in-human-keloid-fibroblasts
#1
Zhen Rang, Zong-Yang Wang, Qiu-Yu Pang, You-Wei Wang, Ge Yang, Fan Cui
BACKGROUND/AIMS: Keloids are fibrous overgrowths induced by cutaneous injury. MicroRNAs (miRNAs) have recently emerged as post-transcriptional gene repressors and participants in a diverse array of pathophysiological processes leading to skin disease. The purpose of the current study was to explore the precise functions of miR-181a in human keloid development and the underlying mechanisms. METHODS: A miRNA microarray analysis was performed to compare expression profiles between keloid and normal skin tissues...
December 5, 2016: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/27915333/prss8-is-downregulated-and-suppresses-tumour-growth-and-metastases-in-hepatocellular-carcinoma
#2
Li Zhang, Guozhan Jia, Binya Shi, Guanqun Ge, Hongbin Duan, Yunsheng Yang
BACKGROUND: Protease serine 8 (PRSS8), a trypsin-like serine peptidase, has been shown to function as a tumour suppressor in various malignancies. The present study aimed to investigate the expression pattern, prognostic value and the biological role of PRSS8 in human hepatocellular carcinoma (HCC). METHODS: PRSS8 expression in 106 HCC surgical specimens was examined by Real-time polymerase chain reaction (PCR) and immunohistochemistry, and its clinical significance was analysed...
December 5, 2016: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/27915299/cathelicidin-ll-37-level-in-the-scalp-hair-of-patients-with-tinea-capitis
#3
Nagwa H Abdelaal, Laila A Rashed, Sahar Y Ibrahim, Mona H Abd El Halim, Noha Ghoneim, Noha A Saleh, Marwah A Saleh
Antimicrobial peptides (AMPs) are considered an important first line of defense against pathogens. Cathelicidin LL-37 was upregulated in response to fungal infection. In this work we aimed to evaluate cathelicidin LL-37 in the hair of tinea capitis and compare it to normal controls. Hair samples were collected from 30 children and 30 controls aged from 2 to10 years old, and the level of cathelicidin LL-37 in the hair was detected by quantitative real-time PCR. The 30 patients were further subdivided into three subgroups according to their clinical type...
December 2, 2016: Medical Mycology: Official Publication of the International Society for Human and Animal Mycology
https://www.readbyqxmd.com/read/27915167/examining-fkbp5-mrna-expression-in-human-ipsc-derived-neural-cells
#4
Richard Lieberman, Henry R Kranzler, Eric S Levine, Jonathan Covault
In peripheral blood leukocytes, FKBP5 mRNA expression is upregulated following glucocorticoid receptor activation. The single nucleotide polymorphism rs1360780 in FKBP5 is associated with psychiatric illness and has functional molecular effects. However, examination of FKBP5 regulation has largely been limited to peripheral cells, which may not reflect regulation in neural cells. We used 27 human induced pluripotent stem cell lines (iPSCs) derived from 20 subjects to examine FKBP5 mRNA expression following GR activation...
November 24, 2016: Psychiatry Research
https://www.readbyqxmd.com/read/27915031/acid-ceramidase-deficiency-is-characterized-by-a-unique-plasma-cytokine-and-ceramide-profile-that-is-altered-by-therapy
#5
Shaalee Dworski, Ping Lu, Aneal Khan, Bruno Maranda, John J Mitchell, Rossella Parini, Maja Di Rocco, Boris Hugle, Makoto Yoshimitsu, Bo Magnusson, Balahan Makay, Nur Arslan, Norberto Guelbert, Karoline Ehlert, Andrea Jarisch, Janet Gardner-Medwin, Rawane Dagher, Maria Teresa Terreri, Charles Marques Lorenco, Lilianna Barillas-Arias, Pranoot Tanpaiboon, Alexander Solyom, James S Norris, Xingxuan He, Edward H Schuchman, Thierry Levade, Jeffrey A Medin
Acid Ceramidase Deficiency (Farber Disease, FD) is an ultra-rare Lysosomal Storage Disorder that is poorly understood and often misdiagnosed as Juvenile Idiopathic Arthritis (JIA). Hallmarks of FD are accumulation of ceramides, widespread macrophage infiltration, splenomegaly, and lymphocytosis. The cytokines involved in this abnormal hematopoietic state are unknown. There are dozens of ceramide species and derivatives, but the specific ones that accumulate in FD have not been investigated. We used a multiplex assay to analyze cytokines and mass spectrometry to analyze ceramides in plasma from patients and mice with FD, controls, Farber patients treated by hematopoietic stem cell transplantation (HSCT), JIA patients, and patients with Gaucher disease...
November 30, 2016: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/27915020/multifunctions-of-dual-zn-mg-ion-co-implanted-titanium-on-osteogenesis-angiogenesis-and-bacteria-inhibition-for-dental-implants
#6
Yiqiang Yu, Guodong Jin, Yang Xue, Donghui Wang, Xuanyong Liu, Jiao Sun
In order to improve the osseointegration and long-term survival of dental implants, it is urgent to develop a multifunctional titanium surface which would simultaneously have osteogeneic, angiogeneic and antibacterial properties. In this study, a potential dental implant material-dual Zn/Mg ion co-implanted titanium (Zn/Mg-PIII) was developed via plasma immersion ion implantation (PIII). The Zn/Mg-PIII surfaces were found to promote initial adhesion and spreading of rat bone marrow mesenchymal stem cells (rBMSCs) via the upregulation of the gene expression of integrin α1 and integrin β1...
November 30, 2016: Acta Biomaterialia
https://www.readbyqxmd.com/read/27914980/cloning-and-characterization-of-adipogenin-and-its-overexpression-enhances-fat-accumulation-of-bovine-myosatellite-cells
#7
Yang Liu, Bijie Jiang, Changzhen Fu, Ruijie Hao
Adipogenin (ADIG) is an adipocyte-specific membrane protein highly expressed in adipose tissues and is increased during the adipocyte differentiation. However, the roles and mechanisms of ADIG on fat accumulation and adipocyte differentiation in ex vivo still largely unknown. In this study, we isolated bovine myosatellite cells based on adhesion characteristics to investigate whether ADIG overexpression could promote trans-differentiation and increase fat accumulation in myosatellite cells. Immunofluorescence labeling was then used for the phenotypic characteristics of myosatellite...
November 30, 2016: Gene
https://www.readbyqxmd.com/read/27914937/mcl-1-small-molecule-inhibitors-encapsulated-into-nanoparticles-exhibit-increased-killing-efficacy-towards-hcmv-infected-monocytes
#8
Christine M Burrer, Helen Auburn, Xu Wang, Juntao Luo, Fardokht A Abulwerdi, Zaneta Nikolovska-Coleska, Gary C Chan
Human cytomegalovirus (HCMV) spreads and establishes a persistent infection within a host by stimulating the survival of carrier myeloid cells via the upregulation of Mcl-1, an antiapoptotic member of the Bcl-2 family of proteins. However, the lack of potent Mcl-1-specific inhibitors and a targetable delivery system has limited to ability to exploit Mcl-1 as a therapeutic strategy to eliminate HCMV-infected monocytes. In this study, we found a lead compound from a novel class of Mcl-1 small-molecule inhibitors rapidly induced death of HCMV-infected monocytes...
November 30, 2016: Antiviral Research
https://www.readbyqxmd.com/read/27914857/imidacloprid-induces-various-toxicological-effects-related-to-the-expression-of-3%C3%AE-hsd-nr5a1-and-ogg1-genes-in-mature-and-immature-rats
#9
Amany Abdel-Rahman Mohamed, Wafaa A M Mohamed, Safaa I Khater
This study aimed to evaluate the adverse effects of the insecticide imidacloprid (IMI) on male spermatogenesis, steroidogenesis, and DNA damage in sexually mature and immature rats. Forty male rats (mature and immature) were equally divided into four groups: two mature and two immature groups. IMI groups of both ages were orally administered IMI in corn oil at a concentration of 1 mg/mL for kg BW/day, whereas their respective controls were orally administered corn oil only (1 mL/kg of body weight) daily for 65 days...
November 30, 2016: Environmental Pollution
https://www.readbyqxmd.com/read/27914827/inhibition-of-long-non-coding-rna-igf2as-protects-apoptosis-and-neuronal-loss-in-anesthetic-damaged-mouse-neural-stem-cell-derived-neurons
#10
Chengwei Song, Chengjun Song, Kui Chen, Xiangdong Zhang
BACKGROUND: In vitro culture of neural stem cell-derived neurons serves as an excellent model to study anesthetic-induced neurotoxicity. In our study, we examined the functional role of long non-coding RNA, IGF2AS, in regulating ketamine-induced neurotoxicity in murine neural stem cells. METHODS: Murine E18.5 brain-derived neural stem cells were cultured in vitro. During neural differentiation stage, ketamine-induced gene expression changes of IGF2 and IGF2AS were recorded by qRT-PCR...
November 30, 2016: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/27914823/rapamycin-inhibits-the-proliferation-of-endothelial-cells-in-hemangioma-by-blocking-the-mtor-fabp4-pathway
#11
Ying Wang, Jiarui Chen, Weiqing Tang, Yanping Zhang, Xiaoyan Li
FABP4 is widely expressed in both normal and pathologic tissues. It promotes cell proliferation, survival and migration of endothelial cells, and therefore, angiogenesis. However, the role of FABP4 in hemangioma or hemangioma endothelial cells (HemECs) has not been explored. In this study, we investigated whether FABP4 directly regulates the proliferation of HemECs. The expression of cell cycle checkpoint genes was analyzed with the microarray data of human dermal microvascular endothelial cells (HDVECs) and infantile hemangioma endothelial cells...
November 30, 2016: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/27914813/normal-human-gingival-fibroblasts-undergo-cytostasis-and-apoptosis-after-long-term-exposure-to-butyric-acid
#12
Michihiro Shirasugi, Keisuke Nishioka, Toshiro Yamamoto, Takaaki Nakaya, Narisato Kanamura
The causes of periodontal disease are complex. Butyric acid, a metabolite of periodontopathic bacteria such as Porphyromonas gingivalis, acts as a histone deacetylase inhibitor that has a direct effect on mRNA expression. Butyric acid produced by Clostridium butyricum in the intestinal tract induces differentiation of regulatory T cells, thereby suppressing inflammation in the gut. Mice lacking Clostridium butyricum in the intestinal tract suffer from colitis. By contrast, butyric acid in the oral cavity worsens periodontal disease...
November 30, 2016: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/27914787/elevation-of-yap-promotes-the-epithelial-mesenchymal-transition-and-tumor-aggressiveness-in-colorectal-cancer
#13
Hsiang-Hsi Ling, Chih-Chia Kuo, Bo-Xing Lin, Yen-Hua Huang, Cheng-Wei Lin
Tumor metastasis is the leading cause of death in cancer patients. Identifying metastatic biomarkers in tumor cells would help cancer diagnoses and the development of therapeutic targets. Yes-associated protein (YAP) plays an important role in organ development and has gained much attention in tumorigenesis. However, the role of YAP and the underlying mechanism in tumor metastasis of colorectal cancer (CRC) is still unclear. In this study, we generated metastatic 116-LM cells from the HCT116 CRC cell line. We found that the capacity for tumor aggressiveness was elevated in 116-LM cells and identified that YAP and its mRNA level were upregulated in 116-LM cells...
November 30, 2016: Experimental Cell Research
https://www.readbyqxmd.com/read/27914563/differential-effects-of-testosterone-and-estradiol-on-clitoral-function-an-experimental-study-in-rats
#14
Paolo Comeglio, Ilaria Cellai, Sandra Filippi, Chiara Corno, Francesca Corcetto, Annamaria Morelli, Elena Maneschi, Elisa Maseroli, Edoardo Mannucci, Massimiliano Fambrini, Mario Maggi, Linda Vignozzi
INTRODUCTION: Female sexual response is a complex phenomenon in which psychological, neurologic, and vascular mechanisms and hormonal factors interact. During the arousal phase, they cooperate to increase genital blood flow, thus inducing engorgement of the clitoris and lubrication of the vagina. Regulation of vascular and non-vascular smooth muscle tone is the crucial event in the erectile process. Preclinical studies have suggested that nitric oxide (NO) is the main vasodilator neurotransmitter modulating, through the second messenger cyclic guanosine monophosphate (cGMP), clitoral flow vessels...
December 2016: Journal of Sexual Medicine
https://www.readbyqxmd.com/read/27914528/food-advanced-glycation-end-products-aggravate-the-diabetic-vascular-complications-via-modulating-the-ages-rage-pathway
#15
Xing Lv, Gao-Hong Lv, Guo-Ying Dai, Hong-Mei Sun, Hui-Qin Xu
The aim of this study was to investigate the effects of high-advanced glycation end products (AGEs) diet on diabetic vascular complications. The Streptozocin (STZ)-induced diabetic mice were fed with high-AGEs diet. Diabetic characteristics, indicators of renal and cardiovascular functions, and pathohistology of pancreas, heart and renal were evaluated. AGEs/RAGE/ROS pathway parameters were determined. During the experiments, the diabetic mice exhibited typical characteristics including weight loss, polydipsia, polyphagia, polyuria, high-blood glucose, and low-serum insulin levels...
November 2016: Chinese Journal of Natural Medicines
https://www.readbyqxmd.com/read/27914516/leukotriene-b4-induces-emt-and-vimentin-expression-in-panc-1-pancreatic-cancer-cells-involvement-of-blt2-via-erk2-activation
#16
You Ri Kim, Mi Kyung Park, Gyeong Jin Kang, Hyun Ji Kim, Eun Ji Kim, Hyun Jung Byun, Moo-Yeol Lee, Chang Hoon Lee
Leukotriene B4 (LTB4) is a leukocyte chemoattractant and plays a major role controlling inflammatory responses including pancreatitis. LTB4 is known to be correlated with cancer progression. LTB4 induces keratin phosphorylation and reorganization by activating extracellular regulated kinase (ERK) in PANC-1 pancreatic cancer cell lines. However, the role of LTB4 in epithelial mesenchymal transition (EMT) and vimentin expression in pancreatic cancer cells is unknown. We examined whether LTB4 induces EMT and vimentin expression by Western blot, si-RNA, and RT-PCR...
December 2016: Prostaglandins, Leukotrienes, and Essential Fatty Acids
https://www.readbyqxmd.com/read/27914220/modulation-of-the-innate-immune-related-genes-expression-in-h9n2-avian-influenza-virus-infected-chicken-macrophage-like-cells-hd11-in-response-to-escherichia-coli-lps-stimulation
#17
Xuefeng Qi, Caihong Liu, Ruiqiao Li, Huizhu Zhang, Xingang Xu, Jingyu Wang
Macrophages play important roles in mediating virus-induced innate immune responses and are thought to be involved in the pathogenesis of bacterial superinfections. The innate immune response initiated by both low pathogenicity AIV and bacterial superinfection in their avian host is not fully understood. We therefore determine the transcripts of innate immune-related genes following avian H9N2 AIV virus infection and E. coli LPS co-stimulation of avian macrophage-like cell line HD11 cells. More pronounced expression of pro-inflammatory cytokines (IL-6 and IL-1β) as well as the inflammatory chemokines (CXCLi1 and CXCLi2) was observed in virus infected plus LPS treated HD11 cells compared to H9N2 virus solely infected control...
November 17, 2016: Research in Veterinary Science
https://www.readbyqxmd.com/read/27914215/lysine-specific-demethylase-1-lsd1-inhibitor-s2101-induces-autophagy-via-the-akt-mtor-pathway-in-skov3-ovarian-cancer-cells
#18
Shujun Feng, Ye Jin, Mengjiao Cui, Jianhua Zheng
BACKGROUND S2101 is one of the most potent LSD1 inhibitors, which can inhibit ovarian cancer cells viability. This study aimed to detect the mechanism behind the anticancer properties of S2101 in SKOV3 ovarian cells. MATERIAL AND METHODS Cell viability was tested by Cell Counting Kit-8 (CCK-8) assay. Cellular apoptosis and autophagy were evaluated by flow cytometric analysis using Annexin-V/PI staining methods and Green fluorescent protein (GFP)-fused-LC3 (GFP-LC3), respectively. Western blotting was performed for analyzing the Bax, Bcl-2, mTOR, p- mTOR, p62, LC3-I, LC3-II, AKT, and p-AKT protein expression...
December 3, 2016: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/27914109/bcor-upregulation-in-a-poorly-differentiated-synovial-sarcoma-with-ss18l1-ssx1-fusion-a-pathologic-and-molecular-pitfall
#19
Yu-Chien Kao, Yun-Shao Sung, Lei Zhang, Samuel Kenan, Samuel Singer, William D Tap, David Swanson, Brendan C Dickson, Cristina R Antonescu
The diagnosis of poorly differentiated synovial sarcoma (PD-SS) may be challenging due to overlapping morphologic features with other undifferentiated round cell sarcomas (URCS). Particularly relevant is the histologic overlap and shared BCOR overexpression between a subset of SS and URCS with various BCOR genetic abnormalities. Here we report a case of PD-SS lacking the canonical SS18-SSX gene fusion, but showing strong BCOR immunoreactivity and BCOR gene abnormalities by FISH which were misinterpreted as a URCS with BCOR gene rearrangements...
December 3, 2016: Genes, Chromosomes & Cancer
https://www.readbyqxmd.com/read/27914036/prolactin-regulatory-element-binding-protein-is-involved-in-suppression-of-the-adiponectin-gene-in-vivo
#20
X Z Zhang, H Imachi, J Y Lyu, K Fukunaga, S Sato, T Ibata, T Kobayashi, T Yoshimoto, F Kikuchi, T Dong, K Murao
PURPOSE: Prolactin regulatory element-binding protein (PREB), a member of the WD-repeat protein family, has been recognized as a transcriptional factor that regulates prolactin promoter activity in the anterior pituitary of rats. PREB is expressed not only in the pituitary but also in various other tissues, including the adipose tissue. Previous studies have shown that PREB acts as a transcriptional regulator and suppresses the expression of the adiponectin gene in cultured 3T3L1 preadipocytes...
December 2, 2016: Journal of Endocrinological Investigation
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