• Title/Summary/Keyword: epstein-Barr virus (EBV)

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Eosinophilic Fasciitis in a 22 Month Old Boy Associated with Epstein-Barr Virus Infection (22개월 남아에서 Epstein-Barr Virus 감염과 연관되어 발생한 호산구성 근막염 1례)

  • Kang, Ju Sung;Jo, Dae Sun
    • Pediatric Infection and Vaccine
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    • v.13 no.2
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    • pp.186-190
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    • 2006
  • Eosinophilic fasciitis(EF) is a very rare clinical syndrome, especially during childhood. It is characterized by diffuse fasciitis and peripheral eosinophilia. Little is known about the pathogenesis of EF, and it is suggested that immunologic alteration may play a role. Epstein-Barr virus(EBV) is known to cause a variety of diseases via immune mechanism. We report a 22 month old boy with EF following EBV infection, which may be associated with pathogenesis of EF.

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Epstein-Barr Virus Infection with Acute Pancreatitis Associated with Cholestatic Hepatitis

  • Kang, Seok-Jin;Yoon, Ka-Hyun;Hwang, Jin-Bok
    • Pediatric Gastroenterology, Hepatology & Nutrition
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    • v.16 no.1
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    • pp.61-64
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    • 2013
  • Infection-induced acute hepatitis complicated with acute pancreatitis is associated with hepatitis A virus, hepatitis B virus or hepatitis E virus. Although rare, Epstein-Barr virus (EBV) infection should be considered also in the differential diagnosis if the patient has acute hepatitis combined with pancreatitis. We report a case of EBV infection with cholestatic hepatitis and pancreatitis with review of literature. An 11-year-old female was admitted due to 1-day history of abdominal pain and vomiting without any clinical symptoms of infectious mononucleosis. Diagnosis of reactivated EBV infection was made by the positive result of viral capsid antigen (VCA) IgM, VCA IgG, Epstein-Barr nuclear antigen and heterophile antibody test. We performed serologic tests and magnetic resonance cholangiopancreatography to exclude other viral or bacterial infection, autoimmune disorder, and structural problems. The patient's symptoms recovered rapidly and blood chemistry returned to normal with conservative treatment similar to previously reported cases.

Application of Epstein-Barr Virus Cell Lines (CCL85 EB-3) in Performing the EBER mRNA In Situ Hybridization as a Positive Control (Epstein-Barr 바이러스 인사이투 보결합 시행시 양성대조표지로서의 버키트 림프종 세포주 (CCL85 EB-3)의 응용)

  • Kim, Sung-Sook;Han, Woon-Sup;Suh, Joo-Young;Huh, Joo-Ryung
    • The Korean Journal of Cytopathology
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    • v.7 no.1
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    • pp.38-43
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    • 1996
  • Epstein-Barr virus(EBV) is associated with a wide spectrum of benign and malignant disorders including leukoplakia, Hodgkln's lymphoma, central nervous system lymphoma, peripheral T cell lymphoma and nasopharyngeal undifferentiated carcinoma. There are several distinctive aspects of biology of the virus that are important in investigation of virus in clinical specimens. The abundant expression of the EBER mRNA transcripts makes possible the sensitive detection of latent expression in EBV-associated tumors. Although there has been a dramatic increased interest in the direct characterization of EBV in clinical specimens, there have been few studios about the effective and reliable positive controls in performing in situ hybridization technique for EBV, especially on paraffin-em bedded tissue. We applied Burkitts lymphoma ceil line as positive control in EBV in situ hydridization using Oncor Kit. The cell block of Burkitt lymphoma cell line(CCL85 EB-3) showed strong and specific positivity for EBER in situ in nuclei of EBV infected cells.

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Reproduction of Epstein-Barr Virus Infection and Pathogenesis in Humanized Mice

  • Fujiwara, Shigeyoshi
    • IMMUNE NETWORK
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    • v.14 no.1
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    • pp.1-6
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    • 2014
  • Epstein-Barr virus (EBV) is etiologically associated with a variety of diseases including lymphoproliferative diseases, lymphomas, carcinomas, and autoimmune diseases. Humans are the only natural host of EBV and limited species of new-world monkeys can be infected with the virus in experimental conditions. Small animal models of EBV infection, required for evaluation of novel therapies and vaccines for EBV-associated diseases, have not been available. Recently the development of severely immunodeficient mouse strains enabled production of humanized mice in which human immune system components are reconstituted and express their normal functions. Humanized mice can serve as infection models for human-specific viruses such as EBV that target cells of the immune system. This review summarizes recent studies by the author's group addressing reproduction of EBV infection and pathogenesis in humanized mice.

Acute gastritis associated with Epstein-Barr virus infection in a child

  • Kim, Ji Mok;Song, Chun Woo;Song, Kyu Sang;Kim, Jae Young
    • Clinical and Experimental Pediatrics
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    • v.59 no.sup1
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    • pp.68-71
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    • 2016
  • Infectious mononucleosis is Epstein-Barr virus (EBV) inducing a self-limiting clinical syndrome characterized by fever, sore throat, hepatosplenomegaly, and generalized lymphadenopathy. Gastrointestinal symptoms of EBV infection are nonspecific and occur rarely. EBV inducing acute gastrointestinal pathology is poorly recognized without suspicion. Careful consideration is needed to diagnose gastric involvement of EBV infection including gastric lymphoma, gastric cancer, and gastritis. A few recent cases of gastritis associated with EBV infection have been reported in adolescents and adults. However, there is no report of EBV-associated gastritis in early childhood. We experienced a rare case of 4-year-old girl with EBV gastritis confirmed by in situ hybridization.

A Case of Epstein-Barr Virus-Associated Hemophagocytic Syndrome with Ascites (복수를 동반한 Epstein-Barr바이러스 연관성 혈구탐식증후군 1례)

  • Choi, Ye-Na;Jang, Gwang-Cheon;Kim, Dong-Soo;Park, Young-Nyun
    • Pediatric Infection and Vaccine
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    • v.9 no.1
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    • pp.95-99
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    • 2002
  • Hemophagocytic syndrome(HPS) has four subgroup, sporadic disorder, associated with acute infection, familial form seen in children, and associated with malignant disorders, immunodeficiencies, defective leukocyte function. Histologically, Hemopoietic cells are actively ingested by moncytes/macrophages in various organs, including lymph nodes, bone marrow, liver, and spleen. Epstein-Barr virus(EBV) is now thought to be one of the major causes for the virus-associated hemophagocytic syndrome(VAHS). Epstein-Barr(EB) virus infection is common, with up to 90% of individuals demonstrating positive titiers by age 20. Although elevated liver function tests commonly occur, severe hepatitis is rare. Only seven cases of ascites complicating Epstein-Barr infection are reported, but none clearly demonstrate the abscence of other causes of hepatic dysfunction. We are reporting a case of Epstein-Barr Virus-associated hemophagocytic syndrome with ascites.

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Guillain-Barré syndrome supervening on meningitis in primary Epstein-Barr virus infection

  • Lee, Jeong-Yoon;Sunwoo, Jun-Sang;Kwon, Kyum-Yil;Lee, Kyung Bok;Ahn, Moo-Young;Roh, Hakjae
    • Annals of Clinical Neurophysiology
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    • v.21 no.1
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    • pp.48-52
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    • 2019
  • Primary Epstein-Barr virus (EBV) infection can manifest with a broad spectrum of neurological complications. There are only rare reports of Guillain-$Barr{\acute{e}}$ syndrome (GBS) supervening on meningitis in patients with primary EBV infection. Clear evidence of central nervous system infection makes it difficult for the clinicians to consider a diagnosis of GBS. We present a patient with GBS supervening on meningitis in primary EBV infection.

Unrelated stem cell transplantation after reduced-intensity conditioning plus rituximab for Epstein-Barr virus-associated hemophagocytic lymphohistiocytosis with CNS involvement (저강도 전처치와 rituximab 후 타인 조혈모세포 이식을 시행한 중추신경계를 침범한 Epstein-Barr 바이러스 관련 혈구포식 림프조직구증)

  • Baek, Hee Jo;Kook, Hoon;Han, Dong Kyun;Lee, Min-Cheol;Jeong, Tae Woong;Hwang, Tai Ju
    • Clinical and Experimental Pediatrics
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    • v.52 no.6
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    • pp.725-729
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    • 2009
  • Epstein-Barr virus-associated hemophagocytic lymphohistiocytosis (EBV-HLH) with central nervous system (CNS) involvement is usually fatal unless stem cell transplant (SCT) is offered. However, SCT with conventional intensity conditioning is associated with high transplant-related mortality. We describe our experience with unrelated SCTs after reduced-intensity conditioning (RIC) for patients with EBV-HLH with progressive CNS disease. This approach was associated with minimal toxicities and might be an effective option in patients with EBV-HLH with progressive CNS disease. Moreover, the addition of rituximab to RIC appears to be safe and effective in suppressing EBV in the patients with EBV-HLH.

Determination of Frequency of Epstein-Barr Virus in Non-Hodgkin Lymphomas Using EBV Latent Membrane Protein 1 (EBV-LMP1) Immunohistochemical Staining

  • Ishtiaq, Sheeba;Hassan, Usman;Mushtaq, Sajid;Akhtar, Noreen
    • Asian Pacific Journal of Cancer Prevention
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    • v.14 no.6
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    • pp.3963-3967
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    • 2013
  • Background: The presence of Epstein-Barr virus (EBV) in Non-Hodgkin's lymphoma can be identified by immunohistochemistry for detection of EBV latent membrane protein (LMP). The role of EBV as an etiologic agent in the development of non-Hodgkin lymphoma has been supported by detection of high levels of latent membrane protein 1 (LMP-1) expression in tumors. However, no study has been conducted in a Pakistani population up till now to determine the frequency of Epstein-Barr virus positivity. The objective of our study was to determine a value for non-Hodgkin lymphoma patients using EBV LMP-1 immunostaining in our institution. Materials and Methods: This study was carried out at the Department of Histopathology, Armed Forces Institute of Pathology (AFIP), Pakistan from December 2011 to December 2012. It was a cross sectional study. A total of 71 patients who were diagnosed with various subtypes of NHL after histological and EBV LMP-1 immunohistochemical evaluation were studied. Sampling technique was non-probability purposive. Statistical analysis was achieved using SPSS version 17.0. Mean and SD were calculated for quantitative variables like patient age. Frequencies and percentages were calculated for qualitative variables like subgroup of NHL, results outcome of IHC for EBV and gender distribution. Results: Mean age of the patients was $53.6{\pm}16$ years (Mean${\pm}$SD). A total of 50 (70.4%) were male and 21 (29.6%) were female. Some 9 (12.7%) out of 71 cases were positive for EBV-LMP-1 immunostaining, 2 (22.2%) follicular lymphoma cases, 1 (11.1%) case of T-cell lymphoblastic lymphoma, 4 (44.4%) cases of diffuse large B cell lymphomas, 1 (11.1%) mantle cell lymphoma and 1 (11.1%) angioimmunoblastic T cell lymphoma case. Conclusion: In our study, frequency of EBV in NHL is 12.7% and is mostly seen in diffuse large B cell lymphoma. This requires further evaluation to find out whether this positivity is due to co-infection or has a role in pathogenesis.

Apoptotic Effects of Curcumin on the Epstein-Barr Virus-Transformed Human B Lymphoma Cells Activated by PWM (Curcumin이 PWM에 의해 활성화된 Epstein-Barr 바이러스 변형 사람 B 림프종 세포의 사멸에 미치는 효과)

  • Ryu, Sang-Chae;Lee, Jang-Suk;Chong, Myong-Soo;Lee, Ki-Nam
    • Journal of Physiology & Pathology in Korean Medicine
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    • v.26 no.3
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    • pp.287-292
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    • 2012
  • The results of this study intended to clarify the apoptotic effects of curcumin on Epstein-Barr virus transformed human B lymphoma (EBV-B) cells are summarized as follows: It was found that curcumin induced endoplasmic reticulum(ER) stress as well as apoptotic cell death in EBV-B cells, although the magnitude of action was insignificant. When EBV-B cells activated by pokeweed mitogen (PWM) were treated with the same concentrations of curcumin, it was found that higher ER stress (GRP78, P-PERK, XBP-1, ATF6, and CHOP expressed) increased unfold protein response (UPR) and thus, apoptosis attributed to ER stress, compared to non-activated EBV-B cells In conclusion, it is expected that curcumin will play an important role for leukemia treatment.