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https://www.readbyqxmd.com/read/28932686/a-positive-rapid-strep-test-in-a-young-adult-with-acute-pharyngitis-be-careful-what-you-wish-for
#1
Burke A Cunha
In young adults with acute pharyngitis, the main differential diagnosis is between GAS pharyngitis, EBV infectious mononucleosis, or other causes of viral pharyngitis. A positive RST does not differentiate GAS colonization from infection as is well illustrated by this case. Laboratory test results must be interpreted in the appropriate clinical context to be diagnostically meaningful. The RST only detects group A streptococci, but does not, of itself, implicate a causative role in the patient's pharyngitis...
2017: IDCases
https://www.readbyqxmd.com/read/28928442/genome-wide-association-and-hla-region-fine-mapping-studies-identify-susceptibility-loci-for-multiple-common-infections
#2
Chao Tian, Bethann S Hromatka, Amy K Kiefer, Nicholas Eriksson, Suzanne M Noble, Joyce Y Tung, David A Hinds
Infectious diseases have a profound impact on our health and many studies suggest that host genetics play a major role in the pathogenesis of most of them. We perform 23 genome-wide association studies for common infections and infection-associated procedures, including chickenpox, shingles, cold sores, mononucleosis, mumps, hepatitis B, plantar warts, positive tuberculosis test results, strep throat, scarlet fever, pneumonia, bacterial meningitis, yeast infections, urinary tract infections, tonsillectomy, childhood ear infections, myringotomy, measles, hepatitis A, rheumatic fever, common colds, rubella and chronic sinus infection, in over 200,000 individuals of European ancestry...
September 19, 2017: Nature Communications
https://www.readbyqxmd.com/read/28869530/unexplained-dyspnea-in-a-young-adult-with-epstein-barr-virus-infectious-mononucleosis-pulmonary-involvement-or-co-infection-with-mycoplasma-pneumoniae-pneumonia
#3
Burke A Cunha, Scarlet Herrarte Fornos
Clinically, in young immunocompetent adults, Epstein-Barr virus (EBV) usually manifests as infectious mononucleosis (IM). Typical clinical findings of EBV IM include fever, profound fatigue, pharyngitis, bilateral posterior cervical adenopathy, and splenomegaly. Respiratory involvement with EBV IM may occur, but is distinctly rare. We present a case of a 20 year old female who with classic EBV IM, but was inexplicably dyspneic and hypoxemic. Further diagnostic testing confirmed co-infection with Mycoplasma pneumoniae...
September 4, 2017: Journal of Clinical Medicine
https://www.readbyqxmd.com/read/28868635/usefulness-of-the-lymphocyte-positional-parameters-in-the-sysmex-xn-haematology-analyser-in-lymphoproliferative-disorders-and-mononucleosis-syndrome
#4
J R Furundarena, A Uranga, M R Sainz, C González, N Uresandi, N Argoitia, M Araiz
INTRODUCTION: The lymphocyte positional parameters included in Sysmex XN have been suggested as useful means to differentiate lymphoproliferative disorders (LPD), mononucleosis syndrome (MNS) and other lymphocytoses. METHODS: We evaluated Sysmex XN analysers, which supply 6 lymphocyte positional parameters that can be measured in the WDF scattergram: LY-X, LY-Y, LY-Z, LY-WX, LY-WY and LY-WZ. RESULTS: We collected 301 samples from normal controls, polyclonal lymphocytosis, MNS and LPD...
September 4, 2017: International Journal of Laboratory Hematology
https://www.readbyqxmd.com/read/28860939/infectious-mononucleosis-like-syndrome-with-high-lymphocytosis-and-positive-igm-ebv-and-cmv-antibodies-in-a-three-year-old-girl
#5
Joanna Alicja Krupka, Katarzyna Samelska, Anna Tomasik, Anna Stelmaszczyk-Emmel, Katarzyna Pawelec
Primary Epstein-Barr virus (EBV) and cytomegalovirus (CMV) infection usually affects preadolescent children or young adults, causing similar clinical presentation. Signs and symptoms are typically mild, and the majority of clinical and laboratory findings resolve spontaneously within one month after onset. In adulthood, the risk of fulminant EBV infection and severe complications is much higher, which may be related to increasing memory CD8+ T-cell population with age. It is still not clear what exactly triggers T-cell clonal proliferation...
2017: Central-European Journal of Immunology
https://www.readbyqxmd.com/read/28838145/valganciclovir-for-the-suppression-of-epstein-barr-virus-replication
#6
RANDOMIZED CONTROLLED TRIAL
Jessica E Yager, Amalia S Magaret, Steven R Kuntz, Stacy Selke, Meei-Li Huang, Lawrence Corey, Corey Casper, Anna Wald
Epstein-Barr virus (EBV) causes infectious mononucleosis and can lead to lymphoproliferative diseases. We evaluated the effects of valganciclovir on oral EBV shedding in a randomized, double-blind, placebo-controlled study. Twenty-six men received oral valganciclovir or daily placebo for 8 weeks, followed by a 2-week "washout period" and then 8 weeks of the alternative treatment. Valganciclovir reduced the proportion of days with EBV detected from 61.3% to 17.8% (relative risk, 0.28; 95% confidence interval [CI], ...
July 15, 2017: Journal of Infectious Diseases
https://www.readbyqxmd.com/read/28835490/asymptomatic-primary-infection-with-epstein-barr-virus-observations-on-young-adult-cases
#7
Rachel J Abbott, Annette Pachnio, Isabela Pedroza-Pacheco, Alison M Leese, Jusnara Begum, Heather M Long, Debbie Croom-Carter, Andrea Stacey, Paul A H Moss, Andrew D Hislop, Persephone Borrow, Alan B Rickinson, Andrew I Bell
Epstein-Barr virus (EBV) is typically acquired asymptomatically in childhood. By contrast, infection later in life often leads to infectious mononucleosis (IM), a febrile illness characterised by anti-EBV IgM antibody-positivity, high loads of circulating latently-infected B cells, and a marked lymphocytosis caused by hyper-expansion of EBV-specific CD8(+) T cells plus milder expansion of CD56(dim) NKG2A(+) KIR(-) NK cells. How the two situations compare is unclear due to the paucity of studies on clinically-silent infection...
August 23, 2017: Journal of Virology
https://www.readbyqxmd.com/read/28827487/clinical-and-laboratory-profiles-of-idiopathic-small-fiber-neuropathy-in-children-case-series
#8
Jafar Kafaie, Ali Al Balushi, Minsoo Kim, Alan Pestronk
The role of autoimmune mechanisms in idiopathic small fiber neuropathy (SFN) is not completely understood. Serum IgM binding to trisulfated disaccharide IdoA2S-GlcNS-6S (TS-HDS) and IgG to fibroblast growth factor receptor 3 were associated with sensory motor polyneuropathies and sensory neuronopathy among others. In this retrospective case review, we describe the clinical and laboratory findings of idiopathic SFN in a small cohort of pediatric patients. Eight children were diagnosed with SFN clinically and confirmed by reduced epidermal nerve fiber density...
September 2017: Journal of Clinical Neuromuscular Disease
https://www.readbyqxmd.com/read/28795661/molecular-diversity-of-igg-responses-to-epstein-barr-virus-proteins-in-asymptomatic-epstein-barr-virus-carriers
#9
Ria Goswami, Kathy Ho Yen Shair, Edward Gershburg
The Epstein-Barr virus (EBV) is a ubiquitous pathogen that infects over 90 % of adults. EBV is the primary etiological agent of infectious mononucleosis and is closely associated with nasopharyngeal carcinoma, gastric carcinoma, Hodgkin lymphoma and Burkitt lymphoma. Clinical serological assays for EBV diagnosis only survey a small portion of the viral proteome, which does not represent the total antigenic breadth presented to the immune system during viral infection. In this study, we have generated an expression library containing the majority of EBV ORFs, and have systematically evaluated IgG responses to those EBV proteins in sera from EBV carriers...
September 2017: Journal of General Virology
https://www.readbyqxmd.com/read/28755681/ebv-and-ms-major-cause-minor-contribution-or-red-herring
#10
REVIEW
Sean Burnard, Jeannette Lechner-Scott, Rodney J Scott
Multiple Sclerosis (MS) is a chronic neurological disease with genetic and environmental risk factors. Epstein Barr-Virus (EBV) has been closely associated with MS but with a significant amount of conflicting evidence. Some of the evidence for EBV involvement in MS includes: almost 100% of MS patients showing past EBV infection, an association with Infectious Mononucleosis (acute EBV infection), higher titres of EBV antibodies associated with an increased risk of MS development, and an overall altered immune response to EBV found in peripheral blood and the CNS of MS patients...
August 2017: Multiple Sclerosis and related Disorders
https://www.readbyqxmd.com/read/28754822/epigenetic-research-in-multiple-sclerosis-progress-challenges-and-opportunities
#11
Galina Zheleznyakova, Eliane Piket, Francesco Marabita, Majid Pahlevan Kakhki, Ewoud Ewing, Sabrina Ruhrmann, Maria Needhamsen, Maja Jagodic, Lara Kular
Multiple Sclerosis (MS) is a chronic inflammatory and demyelinating disease of the central nervous system. MS likely results from a complex interplay between predisposing causal gene variants (the strongest influence coming from HLA class II locus) and environmental risk factors such as smoking, infectious mononucleosis and lack of sun exposure/vitamin D. However, little is known about the mechanisms underlying MS development and progression. Moreover, the clinical heterogeneity and variable response to treatment represent additional challenges to a comprehensive understanding and efficient treatment of disease...
July 28, 2017: Physiological Genomics
https://www.readbyqxmd.com/read/28729050/an-infant-with-concurrent-serotype-6c-invasive-pneumococcal-disease-and-infectious-mononucleosis
#12
Naoko Nishikawa-Nakamura, Takafumi Okada, Keiko Nishimura, Tsuyako Iwai, Kimiko Ubukata, Satoshi Iwata, Asayuki Iwai
Streptococcus pneumoniae is a main causative agent of serious invasive bacterial infections. However, concurrent infection with invasive pneumococcal disease (IPD) and viral infectious mononucleosis (IM) is rare. We report an infant with serotype 6C infection causing IPD occurring simultaneously with IM. A previously healthy 11-month-old girl referred to our hospital because of fever, leukopenia, and elevated C-reactive protein presented to us with disturbance of consciousness, tachycardia, tachypnea and agranulocytosis...
July 17, 2017: Journal of Infection and Chemotherapy: Official Journal of the Japan Society of Chemotherapy
https://www.readbyqxmd.com/read/28725300/epstein-barr-virus-ebv-associated-epithelial-and-non-epithelial-lesions-of-the-oral-cavity
#13
REVIEW
Kentaro Kikuchi, Harumi Inoue, Yuji Miyazaki, Fumio Ide, Masaru Kojima, Kaoru Kusama
Epstein-Barr virus (EBV) is known to be associated with the development of malignant lymphoma and lymphoproliferative disorders (LPDs) in immunocompromised patients. EBV, a B-lymphotropic gamma-herpesvirus, causes infectious mononucleosis and oral hairy leukoplakia, as well as various pathological types of lymphoid malignancy. Furthermore, EBV is associated with epithelial malignancies such as nasopharyngeal carcinoma (NPC), salivary gland tumor, gastric carcinoma and breast carcinoma. In terms of oral disease, there have been several reports of EBV-related oral squamous cell carcinoma (OSCC) worldwide...
August 2017: Japanese Dental Science Review
https://www.readbyqxmd.com/read/28724765/the-translesion-polymerase-pol-%C3%AE-is-required-for-efficient-epstein-barr-virus-infectivity-and-is-regulated-by-the-viral-deubiquitinating-enzyme-bplf1
#14
Ossie F Dyson, Joseph S Pagano, Christopher B Whitehurst
Epstein-Barr virus (EBV) infection and lytic replication are known to induce a cellular DNA damage response. We previously showed that the virally encoded BPLF1 protein interacts with and regulates several members of the translesion synthesis (TLS) pathway, a DNA damage tolerance pathway, and that these cellular factors enhance viral infectivity. BPLF1 is a late lytic cycle gene, but the protein is also packaged in the viral tegument, indicating that BPLF1 may function both early and late during infection. The BPLF1 protein expresses deubiquitinating activity that is strictly conserved across the Herpesviridae; mutation of the active site cysteine results in a loss of enzymatic activity...
October 1, 2017: Journal of Virology
https://www.readbyqxmd.com/read/28717787/a-prospective-study-of-infectious-mononucleosis-in-college-students
#15
Leonard A Jason, Ben Katz, Kristen Gleason, Stephanie McManimen, Madison Sunnquist, Taylor Thorpe
BACKGROUND: The present study aims to prospectively investigate possible biological and psychological factors present in college students who will go on to develop chronic fatigue syndrome (CFS) following Infectious Mononucleosis (IM). Identification of risk factors predisposing patients towards developing CFS may help to understand the underlying mechanisms and ultimately prevent its occurrence. Our study is enrolling healthy college students over the age of 18. Enrollment began in March of 2013 and is ongoing...
2017: Int J Psychiatry (Overl Park)
https://www.readbyqxmd.com/read/28712603/what-elements-suggest-infectious-mononucleosis
#16
EDITORIAL
Julie L Welch, Dustin Holland
No abstract text is available yet for this article.
July 13, 2017: Annals of Emergency Medicine
https://www.readbyqxmd.com/read/28705467/sarcoidosis-with-fever-and-a-splenic-infarct-due-to-cmv-or-lymphoma
#17
REVIEW
Burke A Cunha, Thulashie Sivarajah, Ismail Jimada
We present a case of an adult female with a past history of pulmonary sarcoidosis who presented with fever, night sweats, profound fatigue, and LUQ abdominal pain. Sarcoidosis is an afebrile disorder (excluding Lofgren's syndrome, Heerfordt's syndrome or neurosarcoidosis). Therefore, the presence of fever with sarcoidosis should suggest infection, usually viral, or lymphoma. Sarcoidosis-lymphoma syndrome describes the evolution of a lymphoma in long standing sarcoidosis. Fever aside, possible lymphoma is suggested by otherwise unexplained fever, pleural unilateral effusion, highly elevated ESR or ferritin levels...
September 2017: Heart & Lung: the Journal of Critical Care
https://www.readbyqxmd.com/read/28703328/insight-into-infection-mediated-prostate-damage-contrasting-patterns-of-c-reactive-protein-and-prostate-specific-antigen-levels-during-infection
#18
Melissa Milbrandt, Anke C Winter, Remington L Nevin, Ratna Pakpahan, Gary Bradwin, Angelo M De Marzo, Debra J Elliott, Charlotte A Gaydos, William B Isaacs, William G Nelson, Nader Rifai, Lori J Sokoll, Jonathan M Zenilman, Elizabeth A Platz, Siobhan Sutcliffe
BACKGROUND: To investigate mechanisms underlying our previous observation of a large rise in serum prostate-specific antigen, a marker of prostate pathology, during both sexually transmitted and systemic infections, we measured serum high-sensitivity C-reactive protein (hsCRP), a marker of systemic inflammation, in our previous case-control study of young, male US military members and compared our findings to those for PSA. METHODS: We measured hsCRP before and during infection for 299 chlamydia, 112 gonorrhea, and 59 non-chlamydial, non-gonococcal urethritis (NCNGU) cases; before and after infection for 55 infectious mononucleosis (IM) and 90 other systemic/non-genitourinary cases; and for 220-256 controls...
May 2017: Prostate
https://www.readbyqxmd.com/read/28702140/acute-epstein-barr-virus-hepatitis-without-mononucleosis-syndrome-a-case-report
#19
Afshin Moniri, Payam Tabarsi, Majid Marjani, Zahra Doosti
Elevated liver enzymes accompanied by Infectious Mononucleosis syndrome are widely seen in primary Epstein-Barr virus infection while acute symptomatic hepatitis without typical presentations of EBV is extremely rare. In the following report, we present a patient with acute isolated hepatitis due to laboratory confirmed Epstein-Barr virus.
2017: Gastroenterology and Hepatology From Bed to Bench
https://www.readbyqxmd.com/read/28686239/spontaneous-rupture-of-the-spleen-due-to-infectious-mononucleosis
#20
Almaz Dessie, William Binder
No abstract text is available yet for this article.
July 5, 2017: Rhode Island Medical Journal
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