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https://www.readbyqxmd.com/read/27872196/induction-of-ectonucleotide-pyrophosphatase-phosphodiesterase-3-during-the-periovulatory-period-in-the-rat-ovary
#1
Fei-Xue Li, Jiao-Jiao Yu, Ying Liu, Xiao-Ping Miao, Thomas E Curry
Ectonucleotide pyrophosphatase/phosphodiesterase 3 (Enpp3) is involved in multiple physiological processes, such as morphological changes and inflammatory processes. The present study investigated the spatiotemporal expression pattern and regulatory mechanisms controlling expression of Enpp3 in the rat ovary during the periovulatory period. Immature female rats were injected with pregnant mare serum gonadotropin to stimulate follicular development. Ovaries, granulosa cells, or theca-interstitial cells were collected at various times after human chorionic gonadotropin (hCG) administration...
November 20, 2016: Reproductive Sciences
https://www.readbyqxmd.com/read/27665743/compartmentalized-gene-expression-profiling-of-receptive-endometrium-reveals-progesterone-regulated-enpp3-is-differentially-expressed-and-secreted-in-glycosylated-form
#2
Nageswara Rao Boggavarapu, Sujata Lalitkumar, Vijay Joshua, Sergo Kasvandik, Andres Salumets, Parameswaran Grace Lalitkumar, Kristina Gemzell-Danielsson
The complexity of endometrial receptivity at the molecular level needs to be explored in detail to improve the management of infertility. Here, differential expression of transcriptomes in receptive endometrial glands and stroma revealed Ectonucleotide Pyrophosphatase/Phosphodiesterase 3 (ENPP3) as a progesterone regulated factor and confirmed by various methods, both at mRNA and protein level. The involvement of ENPP3 in embryo attachment was tested in an in vitro model for human embryo implantation. Interestingly, there was high expression of ENPP3 mRNA in stroma but not protein...
September 26, 2016: Scientific Reports
https://www.readbyqxmd.com/read/26831905/identification-of-the-dopamine-transporter-slc6a3-as-a-biomarker-for-patients-with-renal-cell-carcinoma
#3
Sarah Schrödter, Martin Braun, Isabella Syring, Niklas Klümper, Mario Deng, Doris Schmidt, Sven Perner, Stefan C Müller, Jörg Ellinger
BACKGROUND: Clear cell renal cell carcinoma (ccRCC) is among the most common human malignancies. METHODS: In order to provide better understanding of the molecular biology of ccRCC and to identify potential diagnostic/prognostic biomarker and therapeutic targets, we utilized a microarray to profile mRNA expression of corresponding normal and malignant renal tissues. Real-time PCR, Western Blot and immunohistochemistry were applied to study the expression of candidate biomarkers...
February 2, 2016: Molecular Cancer
https://www.readbyqxmd.com/read/26589436/ags16f-is-a-novel-antibody-drug-conjugate-directed-against-enpp3-for-the-treatment-of-renal-cell-carcinoma
#4
Fernando Doñate, Arthur Raitano, Kendall Morrison, Zili An, Linnette Capo, Hector Aviña, Sher Karki, Karen Morrison, Peng Yang, Jimmy Ou, Ryuichi Moriya, Yuriy Shostak, Faisal Malik, Rossana Nadell, Wendy Liu, Daulet Satpayev, John Atkinson, Ingrid B J Joseph, Daniel S Pereira, Pia M Challita-Eid, David R Stover
PURPOSE: New cancer-specific antigens are required for the design of novel antibody-drug conjugates (ADC) that deliver tumor-specific and highly potent cytotoxic therapy. EXPERIMENTAL DESIGN: Suppression subtractive hybridization identified ectonucleotide pyrophosphatase/phosphodiesterase 3 (ENPP3 or CD203c) as a potential human cancer-specific antigen. Antibodies targeting the extracellular domain of human ENPP3 were produced and selected for specific binding to ENPP3...
April 15, 2016: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/26033523/acidosis-is-a-key-regulator-of-osteoblast-ecto-nucleotidase-pyrophosphatase-phosphodiesterase-1-npp1-expression-and-activity
#5
Isabel R Orriss, Michelle L Key, Mark O R Hajjawi, José L Millán, Timothy R Arnett
Previous work has shown that acidosis prevents bone nodule formation by osteoblasts in vitro by inhibiting mineralisation of the collagenous matrix. The ratio of phosphate (Pi ) to pyrophosphate (PPi ) in the bone microenvironment is a fundamental regulator of bone mineralisation. Both Pi and PPi , a potent inhibitor of mineralisation, are generated from extracellular nucleotides by the actions of ecto-nucleotidases. This study investigated the expression and activity of ecto-nucleotidases by osteoblasts under normal and acid conditions...
December 2015: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/25695723/proteomics-of-the-human-endometrial-glandular-epithelium-and-stroma-from-the-proliferative-and-secretory-phases-of-the-menstrual-cycle
#6
Brian L Hood, Baoquan Liu, Addie Alkhas, Yutaka Shoji, Rusheeswar Challa, Guisong Wang, Susan Ferguson, Julie Oliver, Dave Mitchell, Nicholas W Bateman, Christopher M Zahn, Chad A Hamilton, Mark Payson, Bruce Lessey, Asgerally T Fazleabas, G Larry Maxwell, Thomas P Conrads, John I Risinger
Despite its importance in reproductive biology and women's health, a detailed molecular-level understanding of the human endometrium is lacking. Indeed, no comprehensive studies have been undertaken to elucidate the important protein expression differences between the endometrial glandular epithelium and surrounding stroma during the proliferative and midsecretory phases of the menstrual cycle. We utilized laser microdissection to harvest epithelial cells and stromal compartments from proliferative and secretory premenopausal endometrial tissue and performed a global, quantitative mass spectrometry-based proteomics analysis...
April 2015: Biology of Reproduction
https://www.readbyqxmd.com/read/25692702/the-ectoenzyme-e-npp3-negatively-regulates-atp-dependent-chronic-allergic-responses-by-basophils-and-mast-cells
#7
Shih Han Tsai, Makoto Kinoshita, Takashi Kusu, Hisako Kayama, Ryu Okumura, Kayo Ikeda, Yosuke Shimada, Akira Takeda, Soichiro Yoshikawa, Kazushige Obata-Ninomiya, Yosuke Kurashima, Shintaro Sato, Eiji Umemoto, Hiroshi Kiyono, Hajime Karasuyama, Kiyoshi Takeda
Crosslinking of the immunoglobulin receptor FcεRI activates basophils and mast cells to induce immediate and chronic allergic inflammation. However, it remains unclear how the chronic allergic inflammation is regulated. Here, we showed that ecto-nucleotide pyrophosphatase-phosphodiesterase 3 (E-NPP3), also known as CD203c, rapidly induced by FcεRI crosslinking, negatively regulated chronic allergic inflammation. Basophil and mast cell numbers increased in Enpp3(-/-) mice with augmented serum ATP concentrations...
February 17, 2015: Immunity
https://www.readbyqxmd.com/read/24359819/hepatic-purinergic-signaling-gene-network-expression-and-its-relationship-with-inflammation-and-oxidative-stress-biomarkers-in-blood-from-peripartal-dairy-cattle
#8
J Seo, J S Osorio, E Schmitt, M N Corrêa, G Bertoni, E Trevisi, J J Loor
The liver plays a central role in allowing dairy cattle to make a successful transition into lactation. In liver, as in other tissues, extracellular nucleotides and nucleosides trigger cellular responses through adenosine and ATP receptors. Adenosine triphosphate and certain nucleotides serve as signals that can heighten purinergic receptor activation in several pathologic processes. We evaluated the mRNA expression of genes associated with the purinergic signaling network in liver tissue during the peripartal period...
February 2014: Journal of Dairy Science
https://www.readbyqxmd.com/read/23960081/identification-of-ectonucleotide-pyrophosphatase-phosphodiesterase-3-enpp3-as-a-regulator-of-n-acetylglucosaminyltransferase-gnt-ix-gnt-vb
#9
Hiroaki Korekane, Jong Yi Park, Akio Matsumoto, Kazuki Nakajima, Shinji Takamatsu, Kazuaki Ohtsubo, Yasuhide Miyamoto, Shinya Hanashima, Kenji Kanekiyo, Shinobu Kitazume, Yoshiki Yamaguchi, Ichiro Matsuo, Naoyuki Taniguchi
Our previous studies on a β1,6-N-acetylglucosaminyltransferase, GnT-IX (GnT-Vb), a homolog of GnT-V, indicated that the enzyme has a broad GlcNAc transfer activity toward N-linked and O-mannosyl glycan core structures and that its brain-specific gene expression is regulated by epigenetic histone modifications. In this study, we demonstrate the existence of an endogenous inhibitory factor for GnT-IX that functions as a key regulator for GnT-IX enzymatic activity in Neuro2a (N2a) cells. We purified this factor from N2a cells and found that it is identical to ectonucleotide pyrophosphatase/phosphodiesterase 3 (ENPP3), as evidenced by mass spectrometry and by the knockdown and overexpression of ENPP3 in cultured cells...
September 27, 2013: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/22213796/cologuideex-a-robust-gene-classifier-specific-for-stage-ii-colorectal-cancer-prognosis
#10
COMPARATIVE STUDY
Trude H Agesen, Anita Sveen, Marianne A Merok, Guro E Lind, Arild Nesbakken, Rolf I Skotheim, Ragnhild A Lothe
BACKGROUND AND AIMS: Several clinical factors have an impact on prognosis in stage II colorectal cancer (CRC), but as yet they are inadequate for risk assessment. The present study aimed to develop a gene expression classifier for improved risk stratification of patients with stage II CRC. METHODS: 315 CRC samples were included in the study. Gene expression measurements from 207 CRC samples (stage I-IV) from two independent Norwegian clinical series were obtained using Affymetrix exon-level microarrays...
November 2012: Gut
https://www.readbyqxmd.com/read/22108548/endotoxin-induced-effects-on-nucleotide-catabolism-in-mouse-kidney
#11
Fernanda C Vuaden, Luiz Eduardo B Savio, Denise B Ramos, Emerson A Casali, Maurício R Bogo, Carla D Bonan
Extracellular adenosine 5'-triphosphate (ATP) acts as a proinflammatory mediator. Adenosine, the final product of ATP breakdown, is an anti-inflammatory compound, acting mainly on adenosine A(2A) receptors. Considering that the kidney is an organ strongly affected during systemic inflammatory responses and that ectonucleotidases are responsible for the control of extracellular nucleotide and nucleoside levels, we examined the endotoxin-induced effects on ectonucleotidases in kidney membranes of mice, and whether CGS-21680 hydrochloride (3-[4-[2-[[6-amino-9-[(2R,3R,4S,5S)-5-(ethylcarbamoyl)-3,4-dihydroxy-oxolan-2-yl]purin-2-yl]amino]ethyl]phenyl]propanoic acid), a selective adenosine A(2A) receptor agonist, antagonizes the lipopolysaccharide (LPS)-induced effects on nucleotide catabolism in kidney...
January 15, 2012: European Journal of Pharmacology
https://www.readbyqxmd.com/read/20549724/jarid2-is-among-a-set-of-genes-differentially-regulated-by-nkx2-5-during-outflow-tract-morphogenesis
#12
Jeremy L Barth, Christopher D Clark, Victor M Fresco, Ellen P Knoll, Benjamin Lee, W Scott Argraves, Kyu-Ho Lee
Nkx2.5, a transcription factor implicated in human congenital heart disease, is required for regulation of second heart field (SHF) progenitors contributing to outflow tract (OFT). Here, we define a set of genes (Lrrn1, Elovl2, Safb, Slc39a6, Khdrbs1, Hoxb4, Fez1, Ccdc117, Jarid2, Nrcam, and Enpp3) expressed in SHF containing pharyngeal arch tissue whose regulation is dependent on Nkx2.5. Further investigation shows that Jarid2, which has been implicated in OFT morphogenesis, is a direct target of Nkx2.5 regulation...
July 2010: Developmental Dynamics: An Official Publication of the American Association of Anatomists
https://www.readbyqxmd.com/read/18404449/monitoring-the-expression-of-purinoceptors-and-nucleotide-metabolizing-ecto-enzymes-with-antibodies-directed-against-proteins-in-native-conformation
#13
Sina Möller, Caroline Jung, Sahil Adriouch, Gudrun Dubberke, Fabienne Seyfried, Michel Seman, Friedrich Haag, Friedrich Koch-Nolte
Following their release from cells, ATP and NAD, the universal currencies of energy metabolism, function as extracellular signalling molecules. Mammalian cells express numerous purinoceptors, i.e., the nucleotide-gated P2X ion channels and the G-protein-coupled P2Y receptors. Signalling through purinoceptors is controlled by nucleotide-metabolizing ecto-enzymes, which regulate the availability of extracellular nucleotides. These enzymes include ecto-nucleoside triphosphate diphosphohydrolases (ENTPD, CD39 family) and ecto-nucleotide pyrophosphatase/phosphodiesterases (ENPP, CD203 family)...
September 2007: Purinergic Signalling
https://www.readbyqxmd.com/read/15857904/degradation-of-extracellular-atp-by-the-retinal-pigment-epithelium
#14
David Reigada, Wennan Lu, Xiulan Zhang, Constantin Friedman, Klara Pendrak, Alice McGlinn, Richard A Stone, Alan M Laties, Claire H Mitchell
Stimulation of ATP or adenosine receptors causes important physiological changes in retinal pigment epithelial (RPE) cells that may influence their relationship to the adjacent photoreceptors. While RPE cells have been shown to release ATP, the regulation of extracellular ATP levels and the production of dephosphorylated purines is not clear. This study examined the degradation of ATP by RPE cells and the physiological effects of the adenosine diphosphate (ADP) that result. ATP was readily broken down by both cultured human ARPE-19 cells and the apical membrane of fresh bovine RPE cells...
September 2005: American Journal of Physiology. Cell Physiology
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