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https://www.readbyqxmd.com/read/28643381/clinical-association-between-chronic-periodontitis-and-the-leukocyte-extravasation-inhibitors-developmental-endothelial-locus-1-and-pentraxin-3
#1
Matthias Folwaczny, Evangelia Karnesi, Tamara Berger, Ekaterini Paschos
This clinical study aimed to determine whether periodontal disease is associated with expression of developmental endothelial locus-1 (Del-1) and pentraxin-3 (PTX-3), endogenous inhibitors of leukocyte extravasation in humans. Expression of DEL1, PTX3, interleukin-17A (IL17A), and lymphocyte function-associated antigen-1 (LFA1) was determined, using RT-PCR and melting curve analysis, in biopsies of gingival tissues from 95 patients: 42 with moderate periodontitis; 40 with severe periodontitis; and 13 healthy controls...
June 23, 2017: European Journal of Oral Sciences
https://www.readbyqxmd.com/read/28619036/monocyte-differentiation-and-macrophage-priming-are-regulated-differentially-by-pentraxins-and-their-ligands
#2
Darrell Pilling, Elkin Galvis-Carvajal, Tejas R Karhadkar, Nehemiah Cox, Richard H Gomer
BACKGROUND: Circulating bone marrow-derived monocytes can leave the blood, enter a tissue, and differentiate into M1 inflammatory, M2a remodeling/fibrotic, or M2c/Mreg resolving/immune-regulatory macrophages. Macrophages can also convert from one of the above types to another. Pentraxins are secreted proteins that bind to, and promote efficient clearance of, microbial pathogens and cellular debris during infection, inflammation, and tissue damage. The pentraxins C-reactive protein (CRP), serum amyloid P (SAP), and pentraxin-3 (PTX3) can also bind a variety of endogenous ligands...
June 15, 2017: BMC Immunology
https://www.readbyqxmd.com/read/28601054/association-of-serum-levels-of-pentraxin-3-m-ficolin-and-surfactant-protein-a-with-the-severity-of-ischemic-stroke
#3
Ebrahim Kouchaki, Atousa Babamohammadi, Hassan Nikoueinejad, Mojtaba Sehat
Stroke is one of the most leading causes of death and disability in the world. Complement system activation contributes to pathogenesis and neuronal damage following stroke. There are no defined biological serum markers to determine the severity of stroke in acute phases. The purpose of current study was to determine the association of three complement activators, namely Pentraxin-3 (PTX3),M-ficolin, and Surfactant protein A (SPA) with the severity of ischemic stroke. This cross-sectional study was done on 82 patients diagnosed with ischemic stroke at 24-96 hours of initiation of the clinical symptoms during 2014-2015...
April 2017: Iranian Journal of Allergy, Asthma, and Immunology
https://www.readbyqxmd.com/read/28585705/ganglioside-gm3-induces-cumulus-cell-apoptosis-through-inhibition-of-epidermal-growth-factor-receptor-mediated-pi3k-akt-signaling-pathways-during-in-vitro-maturation-of-pig-oocytes
#4
Hyo-Jin Park, Sung-Kyu Chae, Jin-Woo Kim, Seul-Gi Yang, Jae-Min Jung, Min-Ji Kim, Gabbine Wee, Dong-Seok Lee, Sun-Uk Kim, Deog-Bon Koo
Gangliosides are components of the mammalian plasma membrane that help regulate receptor signaling. Ganglioside GM3, for example, plays an important role in initiating apoptosis in cancer cells; however, physiological roles for GM3 in normal processes, such as during pig oocyte maturation, are not clear. The aim of this study was to investigate the functional link between GM3 and cellular apoptosis in porcine cumulus-oocyte-complexes (COCs) during in vitro maturation. Our results indicated that denuded oocytes possess less ST3GAL5, a GM3-synthesizing enzyme, than cumulus cells or COCs after 44 h of in vitro maturation...
June 6, 2017: Molecular Reproduction and Development
https://www.readbyqxmd.com/read/28574494/aqueous-humor-pentraxin-3-levels-in-patients-with-diabetes-mellitus
#5
M Mutlu, N Yuksel, T Takmaz, A S Dincel, A Bilgihan, H Altınkaynak
PurposeTo evaluate aqueous humor (AH) pentraxin-3 (PTX3) levels in diabetic patients with and without diabetic retinopathy (DR).MethodsIn this prospective study, patients undergoing cataract surgery were enrolled. The study group was composed of 26 type-2 diabetic patients without DR (group 1), 32 diabetic patients with DR (group 2) and 29 age-matched subjects without any systemic disease (group 3). Fifteen proliferative DR (PDR) and 17 non-proliferative DR (NPDR) patients were enrolled in Group 2. HbA1c levels and duration of diabetes were noted...
June 2, 2017: Eye
https://www.readbyqxmd.com/read/28555437/autoimmunity-in-2016
#6
REVIEW
Carlo Selmi
The number of peer-reviewed articles published during the 2016 solar year and retrieved using the "autoimmunity" key word remained stable while gaining a minimal edge among the immunology articles. Nonetheless, the quality of the publications has been rising significantly and, importantly, acquisitions have become available through scientific journals dedicated to immunology or autoimmunity. Major discoveries have been made in the fields of systemic lupus erythematosus, rheumatoid arthritis, autoimmunity of the central nervous system, vasculitis, and seronegative spondyloarthrithritides...
May 30, 2017: Clinical Reviews in Allergy & Immunology
https://www.readbyqxmd.com/read/28536575/inflammatory-long-pentraxin-3-is-associated-with-leukocyte-telomere-length-in-night-shift-workers
#7
Sofia Pavanello, Mariarita Stendardo, Giuseppe Mastrangelo, Melissa Bonci, Barbara Bottazzi, Manuela Campisi, Marco Nardini, Roberto Leone, Alberto Mantovani, Piera Boschetto
Aging is an emerging worldwide threat to public health, even in the workplace, as it links with risk of illness and death. Bewildered inflammatory responses and stressful conditions associate with age-related disorders. Additionally, circadian rhythm disruption, a critical health issue in night-shift workers, correlates with premature aging. We investigated the hypothesis of a link between altered inflammatory response, detected by plasmatic long pentraxin 3 (PTX3), and biological aging, measured by leukocyte telomere length (LTL), attrition, and possibly induced by night-shift work...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28489600/oleate-induced-ptx3-promotes-head-and-neck-squamous-cell-carcinoma-metastasis-through-the-up-regulation-of-vimentin
#8
Shih-Hung Chan, Jhih-Peng Tsai, Chih-Jie Shen, Yu-Han Liao, Ben-Kuen Chen
The association between metabolic diseases and the risk of developing cancer is emerging. However, the impact of long pentraxin-3 (PTX3) on dyslipidemia-associated tumor metastasis remains unknown. In this study, we found that oleate induced PTX3 expression and secretion through the activation of Akt/NF-κB pathway in head and neck squamous cell carcinomas (HNSCCs). The activation of NF-κB was essential for the oleate-induced stabilization of PTX3 mRNA. In addition, both the depletion of PTX3 and the inhibition of NF-κB significantly inhibited oleate-induced tumor cell migration and invasion...
June 20, 2017: Oncotarget
https://www.readbyqxmd.com/read/28487045/pentraxin-3-levels-in-bronchoalveolar-lavage-fluid-of-lung-transplant-recipients-with-invasive-aspergillosis
#9
Dima Kabbani, Archana Bhaskaran, Lianne G Singer, Alyajahan Bhimji, Coleman Rotstein, Shaf Keshavjee, W Conrad Liles, Shahid Husain
BACKGROUND: Invasive aspergillosis is the most common invasive fungal infection in lung transplant recipients. The use of galactomannan testing in bronchoalveolar lavage (BAL) fluid has improved diagnosis of invasive aspergillosis; however, false-positive results can lead to overdiagnosis and unnecessary treatment. The use of proinflammatory markers such as pentraxin 3 (PTX3) may help differentiate between Aspergillus colonization and disease. METHODS: BAL PTX3 concentrations were measured by enzyme-linked immunosorbent assay in 151 lung transplant recipients and 9 healthy control subjects...
April 19, 2017: Journal of Heart and Lung Transplantation
https://www.readbyqxmd.com/read/28475193/metabolomic-profiling-and-biochemical-evaluation-of-the-follicular-fluid-of-endometriosis-patients
#10
Santonastaso Marianna, Pucciarelli Alessia, Costantini Susan, Caprio Francesca, Sorice Angela, Capone Francesca, Natella Antonella, Iardino Patrizia, Colacurci Nicola, Chiosi Emilio
Diseases are complex systems that can be studied through the integration of data derived from different disciplines to obtain a global and reliable picture of the biological phenomenon under investigation. Based on the recent observations that the metabolomics profiling of follicular fluids reflects the ovarian microenvironment of women and that endometriosis represents an example of complex diseases, clearly diagnosed by laparoscopy, we thought that the follicular fluids of endometriosis patients can represent a study model to evaluate the possibility of integrating data obtained by different approaches...
June 1, 2017: Molecular BioSystems
https://www.readbyqxmd.com/read/28471269/anti-pentraxin-antibodies-in-autoimmune-systemic-diseases-focus-on-anti-pentraxin-3-autoantibodies
#11
Jean-François Augusto, Caroline Poli, Céline Beauvillain, Jean-François Subra, Sebastien Jaillon, Gilles Renier, Alain Chevailler, Xavier Puéchal, Yves Delneste, Pascale Jeannin
Pentraxins are soluble pattern recognition molecules implicated not only in the opsonization and removal of microorganisms but also in the clearance of modified self (i.e., dying cells). Pentraxins can be classified into short pentraxins (C-reactive protein and serum amyloid-P component) and long pentraxins with pentraxin-3 (PTX3), the prototypic one of the latter. Pentraxins are involved in various physiological or pathophysiological processes such as inflammation and autoimmunity. A breakdown in immune tolerance to pentraxins has been reported in various autoimmune diseases...
May 4, 2017: International Reviews of Immunology
https://www.readbyqxmd.com/read/28458531/investigating-the-role-of-pentraxin-3-as-a-biomarker-for-bacterial-infection-in-subjects-with-copd
#12
Samantha J Thulborn, Madiha Dilpazir, Koirobi Haldar, Vijay Mistry, Christopher E Brightling, Michael R Barer, Mona Bafadhel
BACKGROUND: Pentraxin 3 (PTX3) is an acute phase protein, involved in antibacterial resistance. Recent studies have shown PTX3 levels to be elevated in the presence of a bacterial infection and in a murine sepsis model. OBJECTIVE: We aim to investigate if sputum PTX3 can be used as a biomarker for bacterial infection in subjects with COPD. MATERIALS AND METHODS: Sputum samples from 142 COPD patients (102 men) with a mean (range) age of 69 years (45-85) and mean (SD) post-bronchodilator percentage predicted forced expiratory volume in 1 second (FEV1) of 50% (19) were analyzed for PTX3, using a commercial assay at stable state and during an exacerbation...
2017: International Journal of Chronic Obstructive Pulmonary Disease
https://www.readbyqxmd.com/read/28457653/study-of-the-relationship-between-apoa-ii%C3%A2-265t-c-polymorphism-and-hdl-function-in-response-to-weight-loss-in-overweight-and-obese-type-2-diabetic-patients
#13
Masoumeh Moradi, Maryam Mahmoudi, Ahmad Saedisomeolia, Mohammad Ali Mansournia, Roxana Zahirihashemi, Fariba Koohdani
BACKGROUND: It has been reported that people may respond differently to the same environmental changes because of genome variations. OBJECTIVE: The main purpose of the present study is to determine gene-diet interactions between -265T>C apolipoprotein A-II polymorphisms and evaluate the effect of weight loss on parameters related to HDL function. METHODS: In the present study, 56 overweight and obese type 2 diabetic patients were chosen from 697 genotype-specified subjects...
April 9, 2017: Clinical Nutrition: Official Journal of the European Society of Parenteral and Enteral Nutrition
https://www.readbyqxmd.com/read/28440716/exercise-reduced-pentraxin-3-levels-produced-by-endotoxin-stimulated-human-peripheral-blood-mononuclear-cells-in-obese-individuals
#14
Aaron L Slusher, Yoshimi Shibata, Michael Whitehurst, Arun Maharaj, Justin M Quiles, Chun-Jung Huang
The purpose of this study was to determine whether obesity would reduce the capacity of peripheral blood mononuclear cells (PBMCs) to produce the anti-inflammatory protein pentraxin 3 (PTX3) in response to ex vivo stimulation with lipopolysaccharide (LPS), and if acute aerobic exercise would enhance this PTX3 production capacity. In addition, the inter-relationships of LPS-induced PTX3 with the inflammatory cytokines (interleukin 6 [IL-6], IL-10, and tumor necrosis factor alpha) were examined. Twenty-one healthy subjects (10 obese and 11 normal-weight) performed an acute bout of aerobic exercise at 75% VO2max...
January 1, 2017: Experimental Biology and Medicine
https://www.readbyqxmd.com/read/28437237/proteomics-in-hypothermia-as-adjunctive-therapy-in-patients-with-st-segment-elevation-myocardial-infarction-a-chill-mi-substudy
#15
Moman A Mohammad, Marco Noc, Irene Lang, Michael Holzer, Peter Clemmensen, Ulf Jensen, Bernhard Metzler, David Erlinge
Cardiovascular and inflammatory biomarkers in therapeutic hypothermia have been studied in cardiac arrest, but data on patients with ST-segment elevation myocardial infarction (STEMI) treated with therapeutic hypothermia are currently unavailable. A multiplex proximity extension assay allowed us to measure 157 cardiovascular disease (CVD) and inflammatory disease-related biomarkers in patients from the international, multicenter, and randomized trial; CHILL-myocardial infarction (MI) and to explore the associations of cardiovascular and inflammatory biomarkers...
March 2, 2017: Therapeutic Hypothermia and Temperature Management
https://www.readbyqxmd.com/read/28436274/depletion-of-hdl3-high-density-lipoprotein-and-altered-functionality-of-hdl2-in-blood-from-sickle-cell-patients
#16
Eric Soupene, Sandra K Larkin, Frans A Kuypers
In sickle cell disease (SCD), alterations of cholesterol metabolism is in part related to abnormal levels and activity of plasma proteins such as lecithin cholesterol acyltransferase (LCAT), and apolipoprotein A-I (ApoA-I). In addition, the size distribution of ApoA-I high density lipoproteins (HDL) differs from normal blood. The ratio of the amount of HDL2 particle relative to the smaller higher density pre-β HDL (HDL3) particle was shifted toward HDL2. This lipoprotein imbalance is exacerbated during acute vaso-occlusive episodes (VOE) as the relative levels of HDL3 decrease...
January 1, 2017: Experimental Biology and Medicine
https://www.readbyqxmd.com/read/28422322/pentraxin-3-modulates-lps-induced-inflammatory-response-and-attenuates-liver-injury
#17
Luis Perea, Mar Coll, Lucia Sanjurjo, Delia Blaya, Adil El Taghdouini, Daniel Rodrigo-Torres, José Altamirano, Isabel Graupera, Beatriz Aguilar-Bravo, Marta Llopis, Julia Vallverdú, Joan Caballeria, Leo A van Grunsven, Maria-Rosa Sarrias, Pere Ginès, Pau Sancho-Bru
Acute-on-chronic liver injury is characterized by an important inflammatory response frequently associated with endotoxemia. In this context, acute phase proteins such as Pentraxin-3 (PTX3) are released, however, little is known about their role in chronic liver disease. The aim of this study was to elucidate the role of PTX3 in liver injury. Role of PTX3 was evaluated in cultured human cells, liver tissue slices and mice with acute-on-chronic liver injury. PTX3 expression was assessed in tissue and serum samples from 54 patients with alcoholic hepatitis (AH)...
April 19, 2017: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
https://www.readbyqxmd.com/read/28421853/pentraxin-3-and-lipid-profile-status-in-pregnancy
#18
Yun Sung Jo, Ju Young Cheon, Jung Whan Ahn, Yeongsic Kim, Gui Se Ra Lee
Hyperlipidaemia and hypercholesterolaemia are risk factors of atherosclerosis and cardiovascular disease. The reference range of lipids during pregnancy has not yet been clearly set. This study sought to measure lipid parameters and pentraxin (PTX) 3 levels in low-risk pregnant women. The participants had serial blood samples taken between their 6th-9th week, 10th-13th week, 14th-19th week, 24th-29th week and 35th-40th week (as long as there were no contractions), during the labour period, and 2 days after delivery...
April 19, 2017: Journal of Obstetrics and Gynaecology: the Journal of the Institute of Obstetrics and Gynaecology
https://www.readbyqxmd.com/read/28420735/correction-the-soluble-pattern-recognition-receptor-ptx3-links-humoral-innate-and-adaptive-immune-responses-by-helping-marginal-zone-b-cells
#19
Alejo Chorny, Sandra Casas-Recasens, Jordi Sintes, Meimei Shan, Nadia Polentarutti, Ramón García-Escudero, A Cooper Walland, John R Yeiser, Linda Cassis, Jorge Carrillo, Irene Puga, Cristina Cunha, Hélder Bastos, Fernando Rodrigues, João F Lacerda, António Morais, Rebeca Dieguez-Gonzalez, Peter S Heeger, Giovanni Salvatori, Agostinho Carvalho, Adolfo Garcia-Sastre, J Magarian Blander, Alberto Mantovani, Cecilia Garlanda, Andrea Cerutti
No abstract text is available yet for this article.
May 1, 2017: Journal of Experimental Medicine
https://www.readbyqxmd.com/read/28420163/beneficial-effects-of-melatonin-on-the-in-vitro-maturation-of-sheep-oocytes-and-its-relation-to-melatonin-receptors
#20
Xiuzhi Tian, Feng Wang, Lu Zhang, Changjiu He, Pengyun Ji, Jing Wang, Zhenzhen Zhang, Dongying Lv, Wusiman Abulizi, Xuguang Wang, Zhengxing Lian, Guoshi Liu
(1) Background: The binding sites of melatonin, as a multifunctional molecule, have been identified in human, porcine, and bovine samples. However, the binding sites and mechanisms of melatonin have not been reported in sheep; (2) Methods: Cumulus-oocyte complexes (COCs) were cultured in TCM-199 supplemented with melatonin at concentrations of 0, 10(-3), 10(-5), 10(-7), 10(-9), and 10(-11) M. Melatonin receptors (MT1 and MT2) were evaluated via immunofluorescence and Western blot. The effects of melatonin on cumulus cell expansion, nuclear maturation, embryo development, and related gene (GDF9, DNMT1, PTX3, HAS2, and EGFR) expression were investigated...
April 17, 2017: International Journal of Molecular Sciences
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