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Parvovirus b19

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https://www.readbyqxmd.com/read/28806616/parvovirus-b19-integration-into-human-cd36-erythroid-progenitor-cells
#1
Tyler Janovitz, Susan Wong, Neal S Young, Thiago Oliveira, Erik Falck-Pedersen
The pathogenic autonomous human parvovirus B19 (B19V) productively infects erythroid progenitor cells (EPCs). Functional similarities between B19V nonstructural protein (NS1), a DNA binding endonuclease, and the Rep proteins of Adeno-Associated Virus (AAV) led us to hypothesize that NS1 may facilitate targeted nicking of the human genome and B19 vDNA integration. We adapted an integration capture sequencing protocol (IC-Seq) to screen B19V infected human CD36+ EPCs for viral integrants, and discovered 40,000 unique B19V integration events distributed throughout the human genome...
August 11, 2017: Virology
https://www.readbyqxmd.com/read/28759773/high-incidence-of-maternal-parvovirus-b19-infection-in-a-large-unselected-population-based-pregnancy-cohort-in-norway
#2
Regine Barlinn, Halvor Rollag, Lill Trogstad, Kirsti Vainio, Coraline Basset, Per Magnus, Susanne G Dudman
BACKGROUND: Around 40% of pregnant women in Norway are parvovirus B19 (B19V) seronegative and thus at risk for B19 V infection. Studies on samples from women with symptomatic disease or known exposure have shown that nucleic acid amplification assays combined with serology increase the sensitivity and improves the diagnostic procedure. OBJECTIVES: The aim was to investigate the seroprevalence of B19V infection, the occurrence of new infections and vertical transmission in a population-based pregnancy cohort, with special emphasis on the diagnostic methods...
July 20, 2017: Journal of Clinical Virology: the Official Publication of the Pan American Society for Clinical Virology
https://www.readbyqxmd.com/read/28745457/discrimination-of-diamond-blackfan-anemia-from-parvovirus-b19-infection-by-rbc-glutathione
#3
Jun Noguchi, Hitoshi Kanno, Yuta Chiba, Etsuro Ito, Akira Ishiguro
No abstract text is available yet for this article.
July 2017: Pediatrics International: Official Journal of the Japan Pediatric Society
https://www.readbyqxmd.com/read/28741797/risk-factors-and-long-term-outcomes-of-parvovirus-b19-infection-in-kidney-transplant-patients
#4
Chung Hee Baek, Hyosang Kim, Won Soek Yang, Duck Jong Han, Su-Kil Park
BACKGROUND: Parvovirus B19 is a small, non-enveloped, single-stranded DNA virus with a special affinity for the erythroid progenitor cells of the bone marrow. The first case of parvovirus B19 infection in a kidney transplant recipient (KTR) was reported in 1986. Data on the risk factors and specific clinical characteristics of parvovirus B19 infection remain insufficient. METHODS: We screened 602 KTRs for parvovirus B19 infection using parvovirus B19 polymerase chain reaction (PCR) from January 1990 to April 2016, and the clinical characteristics of patients with positive results were compared to those of age- and gender-matched patients with negative PCR results...
July 25, 2017: Transplant Infectious Disease: An Official Journal of the Transplantation Society
https://www.readbyqxmd.com/read/28737006/unrecognized-viral-infections-and-chromosome-abnormalities-as-a-cause-of-fetal-death-examination-with-fluorescence-in%C3%A2-situ-hybridization-immunohistochemistry-and-polymerase-chain-reaction
#5
Bente Ediassen Opsjøn, Svein Arne Nordbø, Christina Vogt
Fifteen to 50% of fetal deaths remain unexplained after post-mortem examination depending on inclusion criteria and classification systems. Our aim was to examine a selection of unexplained fetal deaths in order to investigate whether any common chromosome aberrations or viral infections were present. Reports from 351 fetal autopsies performed at the Department of Pathology and Medical Genetics at St. Olavs University Hospital from 2001 through 2010 were reviewed. Of these, 105 fetal deaths were classified as unexplained...
September 2017: APMIS: Acta Pathologica, Microbiologica, et Immunologica Scandinavica
https://www.readbyqxmd.com/read/28735981/autoimmune-liver-disease-in-children-with-sickle-cell-disease
#6
Suttiruk Jitraruch, Emer Fitzpatrick, Maesha Deheragoda, Annamaria Deganello, Giorgina Mieli-Vergani, Susan Height, David Rees, Nedim Hadzic, Marianne Samyn
OBJECTIVE: To assess the incidence, clinical features, and outcome of autoimmune liver disease (AILD) in patients with sickle cell disease (SCD). STUDY DESIGN: Single center retrospective review of patients with SCD with AILD referred between 1999 and 2015. RESULTS: Thirteen of 77 (17%) patients with SCD with hepatic dysfunction were diagnosed with AILD (median age 11, range, 3.4-16 years) with a female preponderance (77%). Acute hepatitis and insidious onset were the commonest presentations...
July 20, 2017: Journal of Pediatrics
https://www.readbyqxmd.com/read/28729548/multiplex-polymerase-chain-reaction-for-pathogen-detection-in-donor-recipient-corneal-transplant-tissue-and-donor-storage-solution
#7
Takehiro Hariya, Kazuichi Maruyama, Sunao Sugita, Masayo Takahashi, Shunji Yokokura, Kota Sato, Yasuhiro Tomaru, Norio Shimizu, Toru Nakazawa
Corneal transplantation is a safe, reliable method of restoring visual acuity in patients with corneal disorders. Although it has a very high success rate, rejection can still occur, especially if the site is infected. Therefore, seeking to find better ways to manage infection risk, this study investigated a new technique, based on multiplex polymerase chain reaction (mPCR), to identify pathogens, including viruses, bacteria, and fungi, in corneal transplantation recipient sites, donor corneas and the donor cornea storage solution...
July 20, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28700372/immunohistochemical-demonstration-of-parvovirus-b19-viral-protein-2-in-periflexural-exanthema-in-an-adult-supporting-antibody-dependent-enhancement-as-means-of-endothelial-uptake-of-the-virus
#8
Carlos Santonja, Úrsula Pielasinski, Jorge Polo, Heinz Kutzner, Luis Requena
Human parvovirus B19 (B19V) causes a number of skin exanthemas and has been related to both cutaneous and systemic diseases. Tropism of the virus for the rapidly proliferating erythroid progenitor cells in the bone marrow and fetal liver explains the pathogenesis of anemia and fetal hydrops. The cutaneous lesions of erythema infectiosum and other B19V-related exanthemas have been attributed to the deposition of immune complexes in the skin. We report on the immunohistochemical detection of B19V protein in the cytoplasm of dermal endothelial cells in a case of periflexural exanthema in a 28-year-old woman...
July 6, 2017: American Journal of Dermatopathology
https://www.readbyqxmd.com/read/28665873/induction-failure-in-acute-leukemia-or-parvovirus-b19-infection
#9
Özlem Tüfekçi, Şebnem Yilmaz Bengoa, Melek Erdem, Hale Ören
Parvovirus B19 infection may be seen in acute leukemia patients and clinical findings and cytopenia caused by the viral infection may complicate the evaluation of the remission status. Herein we present a standard risk pediatric acute lymphobiastic leukemia patient who developed myalgia, bone pain, bone marrow aplasia and sinusoidal obstruction syndrome at the end of the induction treatment and was diagnosed as having parvovirus B19 infection.
June 29, 2017: Journal of Pediatric Hematology/oncology
https://www.readbyqxmd.com/read/28633740/parvovirus-b19-infection-in-an-adult-presenting-with-connective-tissue-disease-like-symptoms-a-report-of-the-clinical-and-histological-findings
#10
J E Liles, S C Shalin, B A White, L B Trigg, J R Kaley
Parvovirus B19 infections in adults are usually associated with nonspecific and mild symptoms. However, cases presenting with a lupus-like syndrome have been described, leading to the hypothesis that parvovirus infection can induce connective tissue disease. Various histopathologic features of cutaneous manifestations of parvovirus have been reported, including features which overlap with those of connective tissue disease. Herein, we discuss an unusual case of Parvovirus  B19 infection in a middle-aged woman...
June 15, 2017: Dermatology Online Journal
https://www.readbyqxmd.com/read/28633302/mumps-clinical-diagnostic-uncertainty
#11
Fabio Magurano, Melissa Baggieri, Antonella Marchi, Paola Bucci, Giovanni Rezza, Loredana Nicoletti
During recent years, various mumps outbreaks have occurred among populations vaccinated for mumps worldwide. In Italy, improving routine coverage with two doses of measles, mumps and rubella (MMR) vaccine is one of the key strategies to eliminate measles and rubella. To monitor the effect of the vaccination programme on the population, the surveillance of these vaccine-preventable diseases has been implemented. This provided the opportunity to evaluate the accuracy of the clinical diagnosis of those diseases, including mumps...
June 12, 2017: European Journal of Public Health
https://www.readbyqxmd.com/read/28633140/early-intrauterine-transfusion-in-fetuses-with-severe-anemia-caused-by-parvovirus-b19-infection
#12
Astrid Hellmund, Annegret Geipel, Christoph Berg, Rainer Bald, Ulrich Gembruch
OBJECTIVE: To describe procedure-related complications and perinatal survival after intrauterine transfusion (IUT) before 20 weeks of gestation in fetuses with severe anemia due to human parvovirus B19 infection. MATERIALS AND METHODS: A retrospective study was conducted of all fetuses requiring IUT before 20 weeks of gestation in two tertiary referral centers between January 2002 and July 2015. Gestational age (GA) at first IUT, fetal blood sampling results, and presence of hydrops were related to procedure-related complications, fetal death (FD), and perinatal outcome...
June 21, 2017: Fetal Diagnosis and Therapy
https://www.readbyqxmd.com/read/28618936/detection-and-a-possible-link-between-parvovirus-b19-and-thyroid-cancer
#13
Ashkan Etemadi, Shayan Mostafaei, Kheirollah Yari, Amir Ghasemi, Hamzeh Minaei Chenar, Mohsen Moghoofei
Human parvovirus B19 (B19) is a small, non-enveloped virus and belongs to Parvoviridae family. B19 persists in many tissues such as thyroid tissue and even thyroid cancer. The main aim of this study was to determine the presence of B19, its association with increased inflammation in thyroid tissue, and thus its possible role in thyroid cancer progression. Studies have shown that virus replication in non-permissive tissue leads to overexpression of non-structural protein and results in upregulation of proinflammatory cytokines such as interleukin 6 and tumor necrosis factor alpha...
June 2017: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
https://www.readbyqxmd.com/read/28608818/impact-of-parvovirus-b19-viremia-in-liver-transplanted-children-on-anemia-a-retrospective-study
#14
Michael Würdinger, Susanne Modrow, Annelie Plentz
Acute parvovirus B19 (B19V) infection in immunocompromised patients may lead to severe anemia. However, in adult transplant recipients, B19V reactivations without anemia and low-level viremia are common. The impact of B19V in pediatric transplant patients, with high risk of primary infection, is investigated here. In a six-month period, 159 blood samples of 54 pediatric liver transplant recipients were tested for B19V DNA by quantitative real-time PCR. Viremia was correlated with anemia and immunosuppression and compared with rates in adult transplant recipients...
June 13, 2017: Viruses
https://www.readbyqxmd.com/read/28601539/it-s-complicated-parvovirus-b19-in-thalassemia
#15
Jesse Bertrand, Madison Dennis, Todd Cutler
No abstract text is available yet for this article.
June 7, 2017: American Journal of Medicine
https://www.readbyqxmd.com/read/28592274/the-magnitude-and-correlates-of-parvovirus-b19-infection-among-pregnant-women-attending-antenatal-clinics-in-mwanza-tanzania
#16
Mariam M Mirambo, Fatma Maliki, Mtebe Majigo, Martha F Mushi, Nyambura Moremi, Jeremiah Seni, Dismas Matovelo, Stephen E Mshana
BACKGROUND: Human parvovirus B19 (B19) infection has been associated with congenital infection which may result into a number of the adverse pregnancy outcomes. The epidemiology and the magnitude of B19 infections among pregnant women have been poorly studied in developing countries. This study was done to establish preliminary information about the magnitude of B19 among pregnant women attending antenatal clinics in the city of Mwanza, Tanzania. METHODS: A cross-sectional study was conducted between December 2014 and June 2015 among 258 pregnant women attending two antenatal clinics representing rural and urban areas in the city of Mwanza...
June 7, 2017: BMC Pregnancy and Childbirth
https://www.readbyqxmd.com/read/28591758/are-the-polyomaviruses-bk-and-jc-associated-with-opportunistic-infections-graft-versus-host-disease-or-worse-outcomes-in-adult-patients-receiving-their-first-allogeneic-stem-cell-transplantation-with-low-dose-alemtuzumab
#17
Laila Schneidewind, Thomas Neumann, Florian Knoll, Kathrin Zimmermann, Sigrun Smola, Christian Andreas Schmidt, William Krüger
BACKGROUND: The association of polyomaviruses BK and JC with other opportunistic infections and graft-versus-host disease (GvHD) in allogeneic stem cell transplantation is controversially discussed. METHODS: We conducted a retrospective study of 64 adult patients who received their first allogeneic stem cell transplantation between March 2010 and December 2014; the follow-up time was 2 years. RESULTS: Acute leukemia was the most frequent underlying disease (45...
June 8, 2017: Acta Haematologica
https://www.readbyqxmd.com/read/28583150/prevalence-of-pregnancy-relevant-infections-in-a-rural-setting-of-ghana
#18
Fabian Völker, Paul Cooper, Oliver Bader, Angela Uy, Ortrud Zimmermann, Raimond Lugert, Uwe Groß
BACKGROUND: Although infectious diseases still account for a high burden of morbidity and mortality in sub-Saharan Africa, simultaneous investigations on multiple infections affecting maternal and child health are missing. METHODS: We conducted a cross-sectional, single-centre pilot study in a rural area of Ghana to assess the infectiological profile during pregnancy. Screening of 180 expectant mothers was done by vaginal swabs and serology to detect the most common pregnancy-relevant infections...
June 6, 2017: BMC Pregnancy and Childbirth
https://www.readbyqxmd.com/read/28573901/a-case-report-of-parvovirus-b19-infection-in-a-renal-allograft
#19
Diana M Oramas, Suman Setty, Vijay Yeldandi, Julio Cabrera, Tushar Patel
Parvovirus B19 infection is undiagnosed in recipients undergoing solid organ transplantation. It is usually responsible for unexplained acute and chronic red blood cell aplasia that does not respond to erythropoietin therapy. Cases of parvovirus B19 infection associated with pancytopenia, solid organ dysfunction, and allograft rejection have been described in the literature. The deterioration of the immune system as a result of severe immunotherapy favors the reactivation of a previous infection or the acquisition of a new one...
June 1, 2017: International Journal of Surgical Pathology
https://www.readbyqxmd.com/read/28566084/-multicenter-investigation-of-bufavirus-in-the-etiology-of-viral-central-nervous-system-infections-of-adults-and-children
#20
Aylin Altay Koçak, Murat Öcal, Meltem Polat, Saliha Kanık Yüksek, Anıl Aktaş Tapısız, Hasan Tezer, Aykut Özkul, Koray Ergünay, Gülendam Bozdayı, Kamruddin Ahmed
Bufavirus (BuV) is a newly-identified parvovirus in the family of Parvoviridae. Metagenomic analysis of fecal samples from children in Burkina Faso with acute diarrhea showed a highly divergent parvovirus, which was named bufavirus (BuV). The global distribution, epidemiology and genetic characteristics of BuVs infections are obscure. It was first discovered as an agent causing gastroenteritis but the association of BuV infections with various clinical presentations mostly remain to be explored. The aims of this study were to investigate probable impact of BuV in central nervous system infections in a region where it was previously reported to cause human infections and to detect enteroviruses (EV) which are reported as a cause of central nervous system infections in our country...
April 2017: Mikrobiyoloji Bülteni
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