Gene/Protein Disease Symptom Drug Enzyme Compound
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Query: UNIPROT:Q06643 (non-Hodgkin's lymphoma)
 11,307 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

Post-transplant lymphoproliferative disorder (PTLD) represents a spectrum of Epstein-Barr virus (EBV)-related clinical diseases, from a benign mononucleosis-like illness to a fulminant non-Hodgkin's lymphoma. Because a large proportion of children are seronegative at the time of transplantation, recipients are at high risk of contracting primary EBV infection and subsequently developing PTLD. Surveillance techniques with antibody titers and/or polymerase chain reaction (PCR) may have a role in some high-risk settings. A 12-year-old boy whose serologic response to EBV was negative during follow-up after liver transplantation (LTx) developed Burkitt's lymphoma, a rare and the most severe variant of EBV-related PTLD, 32 months after LTx. He expired possibly due to side effects of treatment. We recommend that viral monitoring must be done using PCR during follow-up of pediatric LTx to prevent dramatic outcomes.
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PMID:Burkitt's lymphoma following a pediatric liver transplantation: predictive negative value of serologic response to Epstein-Barr virus. 1824 49

Epstein-Barr virus (EBV) is an etiological agent of a number of benign and malignant human diseases, such as infectious mononucleosis (IM), Hodgkin's lymphoma (HL), and non-Hodgkin's lymphoma (NHL). EBV latent membrane protein 1 (LMP1) gene (recognized as a viral oncoprotein) of various clinical and geographical origin was found to have different types of amino acid mutations affecting its biological activity. Since there was no information on the strain differences in LMP1 of EBV persisting in Russia, the authors made a sequence analysis of LMP1 samples amplified from the biological materials of Russian patients with IM, HL, and NHL and healthy individuals. The studies have shown that LMP1 variants of Russian origin are a mixed heterogeneous group containing both the earlier characterized and presumably new genetic variants. Among the point amino avid substitutions, the mutations S366T, F106Y, 185L, and E328Q associated with the enhanced transforming activity of a LMP1 molecule and its reduced cytotoxicity. There was no specific association between the certain Russian variants of LMP1 and the specific forms of the disease (IM, HL, and NHL).
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PMID:[Mutations of the Epstein-Barr virus LMP1 gene mutations in Russian patients with lymphoid pathology and healthy individuals]. 1831 28

Epstein-Barr Virus (EBV) is the causative agent of acute infectious mononucleosis and associates with malignancies such as Burkitt lymphoma, nasopharyngeal carcinoma, and non-Hodgkin's lymphoma. Additionally, EBV is responsible for B-lymphoproliferative disease in the context of HIV-infection, genetic immunodeficiencies and organ/stem-cell transplantation. Here we discuss past and current efforts to design an EBV vaccine. We further describe preliminary studies of a novel cocktail vaccine expressing both lytic and latent EBV proteins. Specifically, a tetrameric vaccinia virus (VV) -based vaccine was formulated to express the EBV lytic proteins gp350 and gp110, and the latent proteins EBNA-2 and EBNA-3C. In a proof-of-concept study, mice were vaccinated with the individual or mixed VV. Each of the passenger genes was expressed in vivo at levels sufficient to elicit binding antibody responses. Neutralizing gp350-specific antibodies were also elicited, as were EBV-specific T-cell responses, following inoculation of mice with the single or mixed VV. Results encourage further development of the cocktail vaccine strategy as a potentially powerful weapon against EBV infection and disease in humans.
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PMID:Epstein-Barr virus vaccine development: a lytic and latent protein cocktail. 1850 32

X-linked lymphoproliferative (XLP) syndrome is a rare primary immune-deficiency disorder caused by mutations of the SH2D1A or XIAP genes. Males with the disorder are usually in good health until contracting Epstein-Barr virus (EBV) whereupon the majority of patients die from fulminant infectious mononucleosis, lymphoma or hypogammaglobulinaemia. This report describes a female carrier with an XLP phenotype who was retrospectively identified after her grandson died from the disorder. Subsequent genetic testing identified the patient's mother and affected maternal grandmother as XLP carriers. The family's medical records were significant. The proband had lymphoma at ages 2 and 8 and made a full recovery following treatment. Both the maternal grandmother and uncle died of non-Hodgkin's lymphoma. We were concerned that the XLP carrier mother may be predisposed to lymphoma if the normal X chromosome is skewed towards inactivation. The human androgen receptor assay detected random X chromosome inactivation in the carrier mother. EBV was not detected in the lymphoma tissues of the proband and his grandmother, confirming previous findings that EBV is not always associated with lymphoma in XLP. More significantly, our study highlights the importance of identifying XLP in families with a high incidence of lymphoma.
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PMID:Follicular lymphoma in a X-linked lymphoproliferative syndrome carrier female. 1870 45

Infection with Epstein-Barr virus (EBV) followed by infectious mononucleosis (IM) is now considered to be a risk factor for Hodgkin's disease (HD). It is less clear whether EBV infection and IM are associated with an increased risk of cancer generally. We used a longstanding record-linkage dataset in Oxford (years 1963-1998), and a more recent record-linkage dataset covering England (1999-2005), to compare rate ratios for cancer between people admitted to hospital for IM and a reference cohort. In the Oxford cohort, there was an increased risk of subsequent HD [rate ratio (RR) 6.0, 95% confidence interval (CI) 2.4-12.5] but not of other cancers combined (RR 0.85, 95% CI 0.57-1.23). In the England cohort, there were increased risks of HD (RR 3.2, 95% CI 1.2-7.0), non-Hodgkin's lymphoma (RR 5.6, 95% CI 2.9-9.8), and oropharyngeal cancer (RR 5.4, 95% CI 1.1-16.2), but no significant overall risk of cancer when lymphomas were excluded (RR 1.01, 95% CI 0.71-1.41). We confirm an association between IM and lymphoma; but the risk, if any, of cancer more generally is likely to be small.
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PMID:Associations between infectious mononucleosis and cancer: record-linkage studies. 1884 Mar 16

Epstein-Barr virus (EBV) is the causative agent of many diseases including infectious mononucleosis (IM), and it is associated with different subtypes of lymphoma, sarcoma and carcinoma such as Hodgkin's lymphoma, non-Hodgkin's lymphoma, nasopharyngeal carcinoma, and gastric carcinoma. With the advent of improved laboratory tests for EBV, a timelier and accurate diagnosis could be made to aid better prognosis and effective treatment. For histopathological lesions, the in situ hybridization (ISH) of EBV-encoded RNA (EBER) in biopsy tissues remains the gold standard for detecting EBV. Methods such as the heterophile antibody test, immunofluorescence assays, enzyme immunoassays, Western blot, and polymerase chain reaction (PCR) are also employed in the detection of EBV in different types of samples. The determination of EBV viral load using PCR, however, is gaining more prominence in the diagnosis of EBV-associated diseases. Given the challenge of false positive/negative results that are sometimes experienced during the detection of EBV, variability in results from different laboratories, and the impact of factors such as sample type and the immunological status of patients from whom samples are collected, the need to critically examine these present methods is invaluable. This review thus presents current advances in the detection of EBV, detailing the advantages and disadvantages of the various techniques. In addition, fundamental virological concepts are highlighted to enhance the greater understanding, the proper application, and the interpretation of EBV tests.
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PMID:Recent Advances in Diagnostic Approaches for Epstein-Barr Virus. 3219 45


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