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https://www.readbyqxmd.com/read/29761777/-clinical-manifestations-of-epstein-barr-virus-infection-in-children-and-adolescents
#1
Kristoffer Vogler, Lisbeth Samsø Schmidt
The most commonly known clinical manifestation of primary Epstein-Barr virus infection is infectious mononucleosis. In this review we cover the diagnostics and basic patho-physiology of Epstein-Barr virus infection and present the many clinical manifestations of the virus, including less well-known diseases such as hepatitis, auto-immune haemolytic anaemia, and neurological and immunological diseases. Our aim is to strengthen the clinicians' awareness and understanding of these conditions in order to improve diagnostics and avoid delay of treatment...
May 14, 2018: Ugeskrift for Laeger
https://www.readbyqxmd.com/read/29755712/lymphoproliferative-syndromes-associated-with-human-herpesvirus-6a-and-human-herpesvirus-6b
#2
REVIEW
Eva Eliassen, Gerhard Krueger, Mario Luppi, Dharam Ablashi
Human herpesvirus 6A and 6B (HHV-6A and HHV-6B) have been noted since their discovery for their T-lymphotropism. Although it has proven difficult to determine the extent to which HHV-6A and HHV-6B are involved in the pathogenesis of many diseases, evidence suggests that primary infection and reactivation of both viruses may induce or contribute to the progression of several lymphoproliferative disorders, ranging from benign to malignant and including infectious mononucleosis-like illness, drug induced hypersensitivity syndrome/drug reaction with eosinophilia and systemic symptoms (DIHS/DRESS), and nodular sclerosis Hodgkin's lymphoma...
2018: Mediterranean Journal of Hematology and Infectious Diseases
https://www.readbyqxmd.com/read/29744330/splenic-hematoma-mimicking-rupture-uterus-a-diagnostic-dilemma
#3
Vishnu Bhartiya, Richa Sharma
Spontaneous splenic hematoma occurring during pregnancy is a rare entity. It often occurs in preexisting pathology of the spleen such as thalassemia or infectious etiologies such as malaria, typhoid, dengue, or infectious mononucleosis but most commonly after a trauma. The occurrence of splenic hematoma during pregnancy without any underlying cause is rare. Here, we present such a case and the diagnostic dilemma associated with it.
April 2018: International Journal of Applied and Basic Medical Research
https://www.readbyqxmd.com/read/29743796/increased-incidence-of-post-transplant-lymphoproliferative-disorder-in-autoimmune-liver-disease-an-irish-national-experience
#4
Ahmed Abu-Shanab, Yasser Ged, Naeem Ullah, Diarmaid Houlihan, Aiden McCormick
Background: Post-Transplant Lymphoproliferative Disorder (PTLD) is a well-recognized complication post solid organs transplant. PTLD represents a broad spectrum of abnormalities ranging from an infectious mononucleosis like illness to malignant lymphoma. Methods: A retrospective study was performed by collecting data of orthotopic liver transplant (OLT) patients in the National Liver Unit in Ireland from December 1993 to December 2014. Data was analyzed to identify PTLD patients and determine their demographic details, the indication for liver transplant, presenting symptoms, immunosuppression regimens, Epstein"Barr virus (EBV) status and PTLD outcome...
March 2018: Journal of Clinical and Experimental Hepatology
https://www.readbyqxmd.com/read/29740825/infectious-exposure-antibiotic-use-and-multiple-sclerosis-a-population-based-incident-case-control-study
#5
I Abdollahpour, S Nedjat, M A Mansournia, S Eckert, B Weinstock-Guttman
BACKGROUND: The existing reports regarding the potential role of infections as well as antibiotic use in multiple sclerosis (MS) etiology are inconclusive. OBJECTIVES: We aimed to investigate the association of viral infections as well as antibiotic use and the risk of developing MS. MATERIALS & METHODS: This was a population-based incident case-control study of 547 incident cases and 1057 general population controls obtained from 22 municipality areas of Tehran (7/8/2013-17/2/2015)...
May 9, 2018: Acta Neurologica Scandinavica
https://www.readbyqxmd.com/read/29739075/the-effects-of-epstein-barr-virus-nuclear-antigen-2-ebna2-on-b-lymphocytic-activity
#6
Meiling Qu, Fengshu Ding, Shunxiang Di, Shunyun Zhang, Xinyan Yu
BACKGROUND: Epstein-Barr virus is a worldwide disease that can cause a wide range of human diseases, the person will become a lifelong carrier of the virus once infected. To investigate the mechanism of Epstein-Barr virus nuclear antigen 2 (EBNA2) on B-lymphocytic activity, sera from 35 patients with infectious mononucleosis and from 34 cases without Epstein-Barr virus infection are collected for experimental analysis. METHODS: Quantitative real-time PCR, western blot, and MTT assays were used to evaluate the relative expression level of EBNA2 and to examine its impact on cell vitality...
April 1, 2018: Clinical Laboratory
https://www.readbyqxmd.com/read/29738364/a-newly-recognized-histologic-pattern-of-igg4-related-lymphadenopathy-expanding-the-morphologic-spectrum
#7
Ying-Ren Chen, Yi-Ju Chen, Ming-Chung Wang, L Jeffrey Medeiros, Kung-Chao Chang
Immunoglobulin (Ig)G4-related sclerosing disease is a fibroinflammatory disorder characterized by tumor-forming lesions at multiple anatomic sites and by increased serum levels of IgG4. IgG4-related lymphadenopathy, defined as lymphadenopathy developing in patients with IgG4-related sclerosing disease, is known to manifest in 5 histologic patterns: (1) multicentric Castleman disease-like; (2) reactive follicular hyperplasia; (3) interfollicular plasmacytosis with immunoblasts; (4) progressive transformation of germinal centers-like; and (5) inflammatory pseudotumor-like...
May 4, 2018: American Journal of Surgical Pathology
https://www.readbyqxmd.com/read/29735847/acute-hepatitis-due-to-epstein-barr-virus-with-cross-reacting-antibodies-to-cytomegalovirus
#8
Asli Karadeniz, Zuhal Yesilbag, Fatih Öner Kaya, Feride Sinem Akgün
Epstein-Barr virus (EBV) is the cause of systemic infection known as infectious mononucleosis with classic presentation of fever, oropharyngitis and lymphadenitis. EBV rarely causes acute hepatitis. In this report, we present a 19-year-old patient presented with nausea, fatigue and jaundice. Her physical examination and laboratory tests revealed the diagnosis as acute hepatitis due to EBV with cross-reacting antibodies to cytomegalovirus.
January 2018: Indian Journal of Medical Microbiology
https://www.readbyqxmd.com/read/29732319/epstein-barr-virus-in-gliomas-cause-association-or-artifact
#9
REVIEW
Saghir Akhtar, Semir Vranic, Farhan Sachal Cyprian, Ala-Eddin Al Moustafa
Gliomas are the most common malignant brain tumors and account for around 60% of all primary central nervous system cancers. Glioblastoma multiforme (GBM) is a grade IV glioma associated with a poor outcome despite recent advances in chemotherapy. The etiology of gliomas is unknown, but neurotropic viruses including the Epstein-Barr virus (EBV) that is transmitted via salivary and genital fluids have been implicated recently. EBV is a member of the gamma herpes simplex family of DNA viruses that is known to cause infectious mononucleosis (glandular fever) and is strongly linked with the oncogenesis of several cancers, including B-cell lymphomas, nasopharyngeal, and gastric carcinomas...
2018: Frontiers in Oncology
https://www.readbyqxmd.com/read/29719817/the-role-of-epstein-barr-virus-in-cervical-cancer-a-brief-update
#10
REVIEW
Semir Vranic, Farhan Sachal Cyprian, Saghir Akhtar, Ala-Eddin Al Moustafa
Epstein-Barr virus (EBV) belongs to the group of gamma-herpes viruses and was the first recognized human oncovirus. EBV is responsible for infectious mononucleosis and multiple lymphoid and epithelial malignancies including B-cell lymphomas (Burkitt lymphoma, Hodgkin lymphoma, and post-transplant lymphoproliferative disorder), various T-cell/NK lymphoproliferative disorders, nasopharyngeal carcinoma, and gastric carcinoma, respectively. In addition, the presence of EBV has been documented in other cancers including breast, prostate, oral, and salivary gland carcinomas...
2018: Frontiers in Oncology
https://www.readbyqxmd.com/read/29713613/acute-gastritis-and-splenic-infarction-caused-by-epstein-barr-virus
#11
Ji Eun Jeong, Kyung Moon Kim, Hye Lim Jung, Jae Won Shim, Deok Soo Kim, Jung Yeon Shim, Moon Soo Park, Soo Kyung Park
Epstein-Barr virus (EBV) infection can be presented with various clinical manifestations and different levels of severity when infected. Infectious mononucleosis, which is most commonly caused by EBV infection in children and adolescents, is a clinical syndrome characterized by fatigue, malaise, fever, sore throat, and generalized lymphadenopathy. But rarely, patients with infectious mononucleosis may present with gastrointestinal symptoms and complicated by gastritis, splenic infarction, and splenic rupture...
April 2018: Pediatric Gastroenterology, Hepatology & Nutrition
https://www.readbyqxmd.com/read/29695622/bglf2-increases-infectivity-of-epstein-barr-virus-by-activating-ap-1-upon-de-novo-infection
#12
Natsuno Konishi, Yohei Narita, Fumiya Hijioka, H M Abdullah Al Masud, Yoshitaka Sato, Hiroshi Kimura, Takayuki Murata
Epstein-Barr virus (EBV) is a human gammaherpesvirus that causes infectious mononucleosis and several malignancies, such as endemic Burkitt lymphoma and nasopharyngeal carcinoma. Herpesviruses carry genes that can modify cell functions, including transcription and ubiquitination, thereby facilitating viral growth and survival in infected cells. Using a reporter screening system, we revealed the involvement of several EBV gene products in such processes. Of these, BGLF2 activated the AP-1 signaling pathway through phosphorylation of p38 and c-Jun N-terminal kinase (JNK)...
April 25, 2018: MSphere
https://www.readbyqxmd.com/read/29683945/ebv-related-cold-agglutinin-disease-presenting-with-conjugated-hyperbilirubinemia-a-pediatric-case-report-and-mini-review
#13
Elpis Mantadakis, Eleftherios Chatzimichael, Eftychia Kontekaki, Maria Panopoulou, Georges Martinis, Aggelos Tsalkidis
Hemolytic anemia occurs in only 1% to 3% of hospitalized patients with infectious mononucleosis. The authors describe an 8-year-old girl without cervical lymphadenopathy or splenomegaly, who presented with conjugated hyperbilirubinemia and was diagnosed with cold agglutinin disease caused by an immunoglobulin M autoantibody with anti-i specificity. Acute Epstein-Barr virus infection was confirmed by serological and molecular methods. She recovered uneventfully after a 3-week course of methylprednisolone. Epstein-Barr virus infection should be considered in any case of hemolytic anemia associated with hepatic dysfunction, especially when direct antiglobulin test is positive for C3d...
April 20, 2018: Journal of Pediatric Hematology/oncology
https://www.readbyqxmd.com/read/29679253/fever-of-unknown-origin-fuo-cmv-infectious-mononucleosis-or-lymphoma
#14
Burke A Cunha, Karishma Chawla
Fever of unknown origin (FUO) refers to fevers of > 101 °F that persist for > 3 weeks and remain undiagnosed after a focused inpatient or outpatient workup. FUO may be due to infectious, malignant/neoplastic, rheumatic/inflammatory, or miscellaneous disorders. The FUO category determines the focus of the diagnostic workup. In the case presented of an FUO in a young woman, there were clinical findings of both CMV infectious mononucleosis or a lymphoma, e.g., highly elevated ESR, elevated ferritin levels, and elevated ACE level, β-2 microglobulins...
April 20, 2018: European Journal of Clinical Microbiology & Infectious Diseases
https://www.readbyqxmd.com/read/29669253/an-antibody-targeting-the-fusion-machinery-neutralizes-dual-tropic-infection-and-defines-a-site-of-vulnerability-on-epstein-barr-virus
#15
Joost Snijder, Michael S Ortego, Connor Weidle, Andrew B Stuart, Matthew D Gray, M Juliana McElrath, Marie Pancera, David Veesler, Andrew T McGuire
Epstein-Barr virus (EBV) is a causative agent of infectious mononucleosis and is associated with 200,000 new cases of cancer and 140,000 deaths annually. Subunit vaccines against this pathogen have focused on the gp350 glycoprotein and remain unsuccessful. We isolated human antibodies recognizing the EBV fusion machinery (gH/gL and gB) from rare memory B cells. One anti-gH/gL antibody, AMMO1, potently neutralized infection of B cells and epithelial cells, the two major cell types targeted by EBV. We determined a cryo-electron microscopy reconstruction of the gH/gL-gp42-AMMO1 complex and demonstrated that AMMO1 bound to a discontinuous epitope formed by both gH and gL at the Domain-I/Domain-II interface...
April 17, 2018: Immunity
https://www.readbyqxmd.com/read/29618356/in-vitro-maturation-of-oocytes-from-excised-ovarian-tissue-in-a-patient-with-autoimmune-ovarian-insufficiency-possibly-associated-with-epstein-barr-virus-infection
#16
Irma Virant-Klun, Andrej Vogler
BACKGROUND: Some reports show that it is possible to isolate immature oocytes from human ovarian tissue retrieved by a cortex biopsy or ovariectomy of non-stimulated ovaries and mature them in vitro. The mature oocytes can be vitrified and stored for in vitro fertilization, which, along with ovarian tissue cryopreservation, is mostly practiced in young cancer patients to preserve their fertility. There is much less data on this new approach in women with a natural ovarian insufficiency, which can be caused by different factors, including viral infection...
April 5, 2018: Reproductive Biology and Endocrinology: RB&E
https://www.readbyqxmd.com/read/29617685/incidence-of-antibiotic-related-rash-in-children-with-epstein-barr-virus-infection-and-evaluation-of-the-frequency-of-confirmed-antibiotic-hypersensitivity
#17
Emine Dibek Misirlioglu, Hakan Guvenir, Aslinur Ozkaya Parlakay, Muge Toyran, Hasan Tezer, Arif Ismet Catak, Can Naci Kocabas
BACKGROUND: The incidence of rash after aminopenicillin treatment in children with Epstein-Barr Virus (EBV) infection was reported to be 80-100%. A few recent studies suggested that the incidence may be much lower during EBV infection. There are no clear data on the incidence of true drug hypersensitivity among these patients. The aim of this study is to determine the incidence of rash and antibiotic allergy after antibiotic treatment in children with EBV infection. METHODS: Drug hypersensitivity was investigated in antibiotic-treated patients with a positive EBV IgM who developed a rash between 2013 and 2016...
April 4, 2018: International Archives of Allergy and Immunology
https://www.readbyqxmd.com/read/29599759/emergence-of-cd4-and-cd8-polyfunctional-t-cell-responses-against-immunodominant-lytic-and-latent-ebv-antigens-in-children-with-primary-ebv-infection
#18
Janice K P Lam, K F Hui, Raymond J Ning, X Q Xu, K H Chan, Alan K S Chiang
Long term carriers were shown to generate robust polyfunctional T cell (PFC) responses against lytic and latent antigens of Epstein-Barr virus (EBV). However, the time of emergence of PFC responses against EBV antigens, pattern of immunodominance and difference between CD4+ and CD8+ T cell responses during various stages of EBV infection are not clearly understood. A longitudinal study was performed to assess the development of antigen-specific PFC responses in children diagnosed to have primary symptomatic (infectious mononucleosis [IM]) and asymptomatic (AS) EBV infection...
2018: Frontiers in Microbiology
https://www.readbyqxmd.com/read/29577060/splenic-infarction-an-under-recognized-complication-of-infectious-mononucleosis
#19
Yan Li, Ann George, Sami Arnaout, Jennifer P Wang, George M Abraham
Splenic infarction is a rare complication of infectious mononucleosis. We describe 3 cases of splenic infarction attributed to infectious mononucleosis that we encountered within a 2-month period. We underscore the awareness of this potential complication of infectious mononucleosis and discuss the differential diagnosis of splenic infarction, including infectious etiologies. While symptomatic management is usually sufficient for infectious mononucleosis-associated splenic infarction, close monitoring for other complications, including splenic rupture, is mandated...
March 2018: Open Forum Infectious Diseases
https://www.readbyqxmd.com/read/29536839/-severe-haemolytic-anaemia-and-hepatitis-in-the-course-of-epstein-barr-virus-infection
#20
Kristoffer Vogler, Lisbeth Samsø Schmidt
Epstein-Barr virus (EBV) is globally prevalent and in adolescents mostly observed as infectious mononucleosis. Abnormal liver blood tests are common, whereas more serious hepatitis is less prevalent. Autoimmune haemolytic anaemia may also occur in the course of this infection. We report a case of a 15-year-old girl with cholestatic hepatitis and autoimmune haemolytic anaemia associated with EBV infection. The Donath-Landsteiner test was positive suggesting paroxysmal cold haemoglobinuria. She was treated with supportive care and discharged in recovery after three weeks...
March 5, 2018: Ugeskrift for Laeger
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