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https://www.readbyqxmd.com/read/28340807/prevalence-of-human-herpesvirus-8-and-bk-polyoma-virus-infections-in-end-stage-renal-disease-and-the-influence-of-renal-transplantation
#1
A Turkmen, O Guven, S Mese, A Agacfidan, B Yelken, M Onel, Y Caliskan, G Celik, S Turkoglu, B Kocak
Viral infections lead to significant morbidity and mortality in kidney transplant recipients. We evaluated 49 kidney transplant recipients for human herpesvirus 8 (HHV-8) and BK polyomavirus infections in conjunction with data obtained from 43 donors. The seroprevalence of HHV-8 was 6.9% in donors and 12.2% in recipients. HHV-8 DNA was detected below the limit of quantification (<5000 copies/mL) in a recipient with HHV-8 seropositivity at the pretransplant period and was undetectable at month 3 after transplantation...
April 2017: Transplantation Proceedings
https://www.readbyqxmd.com/read/28329535/kaposi-s-sarcoma-in-an-hiv-negative-patient
#2
Shields Callahan, Randie H Kim, Nooshin Brinster, Jo-Ann Latkowski
We report an HIV-negative, 55-year-old manwith recurrent Kaposi's sarcoma (KS) of the lowerextremities, who does not fit into any of thefour previously described variants of KS: classicKS, AIDS-related KS, iatrogenic KS, and AfricanendemicKS. There are reports in the literature ofchildhood-onset KS, which is thought to be dueto an inherited immune deficiency that confers ahigher susceptibility to human Herpesvirus-8 (HHV-8), which is the virus that is known to cause KS. Ourpatient may be affected with an inherited immunedeficiency that has predisposed him to KS, and thismutation also may account for his prostate andbladder cancer...
December 15, 2016: Dermatology Online Journal
https://www.readbyqxmd.com/read/28329475/classic-kaposi-sarcoma-in-an-hiv-negative-han-chinese-man-a-case-report
#3
Victoria Mitre, Danielle S Applebaum, Silvia Potenziani, Sylvia Hsu
Kaposi sarcoma (KS) is a multifocal angioproliferativetumor of endothelial origin. Despite nearly identicalclinical and histopathologic presentations, KS isclassified into four distinct varieties: classic/sporadic,AIDS-associated, African/endemic, and iatrogenic. Allsubtypes are invariably linked to human herpesvirus-8(HHV-8) and show a male predilection. Classic Kaposisarcoma is exceedingly rare in the Asian populationand its incidence varies by region and ethnic grouppredominance. A study in the Xinjiang region of Chinafound that only 1% of classic KS cases occurred inpatients belonging to the Han Chinese ethnic group,which formulates 84% of the Taiwanese population...
January 15, 2017: Dermatology Online Journal
https://www.readbyqxmd.com/read/28323751/long-term-nitrite-inhalant-exposure-and-cancer-risk-in-men-who-have-sex-with-men-a-prospective-cohort-study
#4
Anupriya Dutta, Hajime Uno, Alex Holman, David R Lorenz, Steven M Wolinsky, Dana Gabuzda
OBJECTIVES: Nitrite inhalants (poppers) are commonly used recreational drugs among men who have sex with men (MSM) and were previously associated with elevated rates of high-risk sexual behavior, HIV and HHV-8 seroconversion, and transient immunosuppressive effects in experimental models. Whether long-term popper use is associated with cancer risk among MSM in the HAART era is unclear. DESIGN: Prospective cohort study of cancer risk in 3223 HIV-infected and -uninfected MSM in the Multicenter AIDS Cohort Study from 1996-2010...
March 18, 2017: AIDS
https://www.readbyqxmd.com/read/28300912/mycosis-fungoides-and-kaposi-s-sarcoma-association-in-an-hiv-negative-patient
#5
Maria Carolina Prado Fleury Bariani, Luiz Fernando Fróes Fleury, Ana Maria Quinteiro Ribeiro, Siderley de Souza Carneiro, Tiago Arantes Pereira
The association of mycosis fungoides and kaposi's sarcoma in HIV-negative patients is a rare phenomenon. The presence of human herpesvirus 8 (HHV-8) - associated with all forms of Kaposi's sarcoma - has also been recently identified in mycosis fungoides lesions. However, a causal association between HHV-8 and the onset of mycosis fungoides has not been established yet. The present case reports a patient who developed Kaposi's sarcoma lesions after a two-year UVB phototherapy to treat a mycosis fungoides. Negative immunohistochemistry staining for Kaposi's sarcoma-associated herpesvirus in the initial mycosis fungoides lesions strengthens the absence of a link between Kaposi's sarcoma-associated herpesvirus and mycosis fungoides...
September 2016: Anais Brasileiros de Dermatologia
https://www.readbyqxmd.com/read/28262965/kaposi-s-sarcoma-after-t-cell-costimulation-blockade-with-abatacept-in-rheumatoid-arthritis-a-case-report
#6
D Olivo, R D Grembiale, F Tallarigo, E Russo, G De Sarro, F Ursini
WHAT IS KNOWN AND OBJECTIVE: Kaposi's sarcoma (KS) is a malignant neoplasm caused by HHV-8, a pathogen that leads to endothelial cell transformation when host defences are weakened. CASE DESCRIPTION: Here we report the first case of KS during treatment with abatacept, a biologic agent targeting T-cell costimulation. The patient was a 64-year-old female with rheumatoid arthritis who developed multiple firm, purple-reddish nodules on the dorsal aspect of the right hand...
March 6, 2017: Journal of Clinical Pharmacy and Therapeutics
https://www.readbyqxmd.com/read/28261507/endoscopic-appearance-of-oropharyngeal-and-upper-gi-kaposi-s-sarcoma-in-an-immunocompromised-patient
#7
Umar Darr, Anas Renno, Zubair Khan, Turki Alkully, Maitham A Moslim, Sehrish Kamal, Ali Nawras
Introduction. Kaposi's sarcoma (KS) usually manifests as a cutaneous disease but GI manifestation is often rare. It is associated with human herpes virus-8 (HHV-8) and seen in immunocompromised patients. In the USA, use of highly active antiretroviral therapy (HAART) has drastically reduced incidence of KS in HIV patients. Case Presentation. A 65-year-old male with human immunodeficiency virus (HIV) was admitted to the intensive care unit (ICU) with cardiopulmonary arrest secondary to hyperkalemia of 7.5 meq/L...
2017: Case Reports in Gastrointestinal Medicine
https://www.readbyqxmd.com/read/28248818/kshv-associated-and-ebv-associated-germinotropic-lymphoproliferative-disorder-new-findings-and-review-of-the-literature
#8
Tapan Bhavsar, John C Lee, Yvonne Perner, Mark Raffeld, Liqiang Xi, Stefania Pittaluga, Elaine S Jaffe
We report 2 cases of Kaposi sarcoma-associated herpesvirus (KSHV)-and Epstein-Barr Virus (EBV) associated germinotropic lymphoproliferative disorder. Both cases arose in patients from regions endemic for KSHV, Cape Verde, and the Democratic Republic of the Congo, presenting as localized lymphadenopathy. The affected lymph nodes showed colonization of the follicles by clusters of large atypical plasmablasts, but also showed regressive changes with vascular proliferation and interfollicular plasmacytosis, both reminiscent of human herpesvirus 8 (HHV-8) positive multicentric Castleman disease...
February 28, 2017: American Journal of Surgical Pathology
https://www.readbyqxmd.com/read/28244148/detection-of-inherited-chromosomally-integrated-hhv-6-cihhv-6-in-a-marker-chromosome
#9
Diana Campioni, Valentina Gentili, Francesco Cavazzini, Daria Bortolotti, Elisabeth P Nacheva, Antonio Cuneo, Dario Di Luca, Roberta Rizzo
OBJECTIVES: Inherited chromosomally integrated human herpesvirus 6 (ciHHV-6) is characterized by the complete HHV-6 genome integration into the host germ line genome and is vertically transmitted with a Mendelian inheritance. By now, the only relationship between ciHHV-6 and diseases seems to be with angina pectoris. METHODS: We report a case of an 82 years old male diagnosed with Diffuse Large B-cell Lymphoma (DLBCL) on October 2014. To substantiate the suspicion of ciHHV-6, we analysed peripheral blood mononuclear cells, bone marrow biopsy and pleural effusion derived mesothelial cells with PCR, RT-PCR and FISH...
February 28, 2017: European Journal of Haematology
https://www.readbyqxmd.com/read/28216610/pulmonary-kaposi-sarcoma-with-osseous-metastases-in-an-human-immunodeficiency-virus-hiv-patient-a-remarkable-response-to-highly-active-antiretroviral-therapy
#10
Ahmed Dirweesh, Muhammad Yasir Khan, Shaikh Fawad Hamiz, Nigahus Karabulut
BACKGROUND Kaposi sarcoma (KS) is known to involve the mucocutaneous tissues and the aero-digestive tracts. In acquired immune deficiency syndrome (AIDS) patients, KS has an aggressive course and carries poor prognosis. We present a case of pulmonary KS with osseous metastases as the first presentation of human immunodeficiency virus (HIV) infection in a young male. The lesions impressively decreased in size and numbers following initiation of highly active antiretroviral therapy (HAART). CASE REPORT A 34-year-old heterosexual male presented with a one month history of cough and 15-20 pound weight loss within six months...
February 20, 2017: American Journal of Case Reports
https://www.readbyqxmd.com/read/28209751/inkt-cell-defects-in-hhv-8-associated-mcd
#11
Thomas S Uldrick
No abstract text is available yet for this article.
February 16, 2017: Blood
https://www.readbyqxmd.com/read/28205564/elevated-serum-interferon-%C3%AE-induced-protein-10-kda-is-associated-with-tafro-syndrome
#12
Noriko Iwaki, Yuka Gion, Eisei Kondo, Mitsuhiro Kawano, Taro Masunari, Hiroshi Moro, Koji Nikkuni, Kazue Takai, Masao Hagihara, Yuko Hashimoto, Kenji Yokota, Masataka Okamoto, Shinji Nakao, Tadashi Yoshino, Yasuharu Sato
Multicentric Castleman disease (MCD) is a heterogeneous lymphoproliferative disorder. It is characterized by inflammatory symptoms, and interleukin (IL)-6 contributes to the disease pathogenesis. Human herpesvirus 8 (HHV-8) often drives hypercytokinemia in MCD, although the etiology of HHV-8-negative MCD is idiopathic (iMCD). A distinct subtype of iMCD that shares a constellation of clinical features including thrombocytopenia (T), anasarca (A), fever (F), reticulin fibrosis (R), and organomegaly (O) has been reported as TAFRO-iMCD, however the differences in cytokine profiles between TAFRO-iMCD and iMCD have not been established...
February 13, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28191343/molecular-epidemiology-of-kaposi-s-sarcoma-associated-herpes-virus-and-risk-factors-in-hiv-infected-patients-in-tehran-2014
#13
Khashayar Hesamizadeh, Hossein Keyvani, Farah Bokharaei-Salim, Seyed Hamidreza Monavari, Maryam Esghaei, Fatemeh Jahanbakhsh Sefidi
BACKGROUND: Kaposi's sarcoma (KS) remains the most common malignancy among HIV-infected patients. Human herpesvirus type-8 (HHV-8) is regarded as the infectious etiological agent of Kaposi's sarcoma (KSHV). Diagnostic procedures associated with KSHV are not routinely performed in HIV-infected subjects. OBJECTIVES: The main objective of this study is to obtain information on KSHV epidemiology in Iranian HIV-infected individuals. PATIENTS AND METHODS: In the present cross-sectional study, 109 patients with established HIV infection, who visited a governmental and referral center for HIV screening in Tehran (Tehran west health center (TWHC)) between May 2014 and July 2015 were enrolled according to the convenience sample strategy...
November 2016: Iranian Red Crescent Medical Journal
https://www.readbyqxmd.com/read/28135567/tafro-syndrome-new-subtype-of-idiopathic-multicentric-castleman-disease
#14
REVIEW
Gordan Srkalovic, Inga Marijanovic, Maya B Srkalovic, David C Fajgenbaum
Castleman disease (CD) describes a group of three rare and poorly understood lymphoproliferative disorders that have heterogeneous clinical symptoms and common lymph node histopathological features. Unicentric CD (UCD) involves a single region of enlarged nodes. Multicentric CD (MCD) involves multiple regions of enlarged lymph nodes, constitutional symptoms, and organ dysfunction due to a cytokine storm often including interleukin 6. MCD is further divided into Human Herpes Virus-8 (HHV-8)-associated MCD, which occurs in immunocompromised individuals, and HHV-8-negative/idiopathic MCD (iMCD)...
January 26, 2017: Bosnian Journal of Basic Medical Sciences
https://www.readbyqxmd.com/read/28131739/cross-sectional-and-longitudinal-investigation-of-human-herpesvirus-8-seroprevalence-in-hiv-1-infected-individuals-in-osaka-japan
#15
Dai Watanabe, Yudai Yamamoto, Sachiko Suzuki, Misa Ashida, Erina Matsumoto, Satomi Yukawa, Kazuyuki Hirota, Motoko Ikuma, Takashi Ueji, Daisuke Kasai, Yasuharu Nishida, Tomoko Uehira, Takuma Shirasaka
INTRODUCTION: High human herpesvirus 8 (HHV-8) seroprevalence has been reported in men who have sex with men (MSM) and are infected with HIV-1. However, it is unclear when they become infected with HHV-8. Thus, we conducted cross-sectional and longitudinal investigations of HHV-8 seroprevalence in HIV-1-infected individuals in Osaka, Japan. PATIENTS AND METHODS: Plasma was collected from 121 individuals infected with HIV-1 and the anti-HHV-8 antibody titer was measured using an enzyme-linked immunosorbent assay with whole virus lysate...
January 25, 2017: Journal of Infection and Chemotherapy: Official Journal of the Japan Society of Chemotherapy
https://www.readbyqxmd.com/read/28121161/regulatory-t-cell-effect-on-cd8-t-cell-responses-to-human-herpesvirus-8-infection-and-development-of-kaposi-s-sarcoma
#16
Lauren M Lepone, Giovanna Rappocciolo, Paolo A Piazza, Diana M Campbell, Frank J Jenkins, Charles R Rinaldo
We assessed CD8(+) T cell reactivity to human herpesvirus 8 (HHV-8; Kaposi's sarcoma [KS]-associated herpesvirus) and the role of CD4(+)CD25(hi)FoxP3(+) regulatory T cells (Treg) in HHV-8- and HIV-coinfected participants of the Multicenter AIDS Cohort Study who did or did not develop KS. There were similarly low CD8(+) T cell interferon-γ responses to MHC class I-restricted epitopes of HHV-8 lytic and latent proteins over 5.7 years before KS in participants who developed KS compared to those who did not. T cell reactivity to HHV-8 antigens was low relative to responses to a combination of cytomegalovirus, Epstein-Barr virus and influenza A virus (CEF) peptide epitopes, and dominant HIV peptide epitopes...
March 2, 2017: AIDS Research and Human Retroviruses
https://www.readbyqxmd.com/read/28120699/use-of-plasma-human-herpesvirus-8-viral-load-measurement-evaluation-of-practice-in-three-uk-hiv-treatment-centres
#17
D B Nugent, D Webster, D Mabayoje, E Chung, K El Bouzidi, A O'Sullivan, J Ainsworth, R F Miller
A retrospective audit of plasma human herpesvirus-8 (HHV-8) viral load testing was performed in three HIV treatment centres over 24 months. Reasons for testing (360 tests) were: symptoms of systemic inflammatory response syndrome (SIRS) (fever, lymphadenopathy and raised inflammatory markers); monitoring in known HHV-8 pathology other than Kaposi sarcoma (KS); investigation of known/suspected KS, and other/no reason. Of patients with multicentric Castleman disease (MCD), 14/16 (88%) had detectable plasma HHV-8, as did 27/45 (60%) with biopsy proven or clinically confirmed KS, and 6/19 (32%) with lymphoma...
February 2017: International Journal of STD & AIDS
https://www.readbyqxmd.com/read/28117495/elevated-serum-psa-is-associated-with-human-herpesvirus-8-infection-and-increased-circulating-cytokine-levels-in-men-from-tobago
#18
Jill D Henning, Jaideep M Karamchandani, Luis A Bonachea, Clareann H Bunker, Alan L Patrick, Frank J Jenkins
BACKGROUND: Serum-prostate specific antigen (PSA) levels have been used for many years as a biomarker for prostate cancer. This usage is under scrutiny due to the fact that elevated PSA levels can be caused by other conditions such as benign prostatic hyperplasia and infections of or injury to the prostate. As a result, the identification of specific pathogens capable of increasing serum levels of PSA is important. A potential candidate responsible for elevated PSA is human herpesvirus 8 (HHV-8)...
May 2017: Prostate
https://www.readbyqxmd.com/read/28100459/clinical-and-pathological-characteristics-of-hiv-and-hhv8-negative-castleman-disease
#19
Li Yu, Meifeng Tu, Jorge Cortes, Zijun Y Xu-Monette, Roberto N Miranda, Jun Zhang, Robert Z Orlowski, Sattva Neelapu, Prajwal C Boddu, Mary A Akosile, Thomas S Uldrick, Robert Yarchoan, L Jeffrey Medeiros, Yong Li, David C Fajgenbaum, Ken H Young
Castleman disease (CD) comprises three poorly-understood lymphoproliferative variants that share several common histopathological features. Unicentric CD (UCD) is localized to a single region of lymph nodes. Multicentric CD (MCD) manifests with systemic inflammatory symptoms and organ dysfunction due to cytokine dysregulation, and involves multiple lymph node regions. Human herpes virus-8 causes MCD (HHV-8-associated MCD) in immunocompromised individuals, such as HIV infected patients. However, greater than 50% MCD cases are HIV and HHV-8 negative, defined as idiopathic (iMCD)...
January 18, 2017: Blood
https://www.readbyqxmd.com/read/28099593/angiosarcoma-in-hiv-negative-patients-is-not-associated-with-hhv-8
#20
João Avancini, José Antonio Sanches, Andre Pires Zanata Cherubim, Renato Pazzini, Cristina Mendes de Oliveira, Laura Masami Sumita, Neusa Yuriko Sakai Valente, Claudio Sergio Pannuti, Cyro Festa
BACKGROUND: Angiosarcoma is an aggressive, malignant neoplasm of vascular or lymphatic origin. Herpes virus 8 (HHV-8) is a member of the herpes family with a tropism for endothelial cells and it has been proven to induce vascular neoplasms, such as Kaposi's sarcoma. The role of HHV-8 in the pathogenesis of angiosarcoma has not been well defined. OBJECTIVE: To investigate the relationship between the presence of HHV-8 and angiosarcoma. METHODS: In this study, the team investigated the relationship between the presence of HHV-8, as determined by polymerase chain reaction, and angiosarcoma, using samples from patients with epidemic Kaposi's sarcoma as controls...
November 2016: Anais Brasileiros de Dermatologia
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