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Gong H, Zhang S, Dou J, Chen J. Is human herpesvirus 8 infection more common in men than in women? an updated meta-analysis. BMC Infect Dis 2024; 24:454. [PMID: 38684967 PMCID: PMC11059601 DOI: 10.1186/s12879-024-09346-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2023] [Accepted: 04/23/2024] [Indexed: 05/02/2024] Open
Abstract
BACKGROUND Clinically, most patients with Kaposi's sarcoma (KS) are male, and several direct and indirect mechanisms may underlie this increased susceptibility in men, Kaposi's sarcoma-associated herpesvirus (KSHV), also known as human herpesvirus 8 (HHV-8), is considered to be the primary etiological agent responsible for KS. Thus, we propose the hypothesis that men are more susceptible to HHV-8 infection, leading to a higher incidence of Kaposi's sarcoma among males. A meta-analysis was conducted to evaluate the association between gender and HHV-8 seropositivity in the general population. METHODS A comprehensive literature search was performed using 6 online databases: PubMed, EMBASE, Cochrane library, Web of Science, CNKI, and Wanfang. Studies published before March 15, 2023, were included. RESULTS In all, 33 articles including 41 studies were included in the meta-analysis. In the included adult population. men had a higher risk of HHV-8 infection than did women in adult populations from all over the world (odds ratio [OR]: 1.08, 95% confidence interval [CI]: 1.01-1.15), but no differences were found in child population from all over the world (OR: 0.90, 95% CI: 0.79-1.01). There was a significant difference in HHV-8 seroprevalence between men and women in sub-Saharan Africa (SSA) adult population (OR: 1.15, 95% CI: 1.05-1.26). However, no significant differences were observed in sub-Saharan Africa (SSA) child population (OR: 0.90, 95%CI 0.78-1.03). As for other continents, the results showed no significant difference, such as the Asian population (OR: 1.03, 95%CI: 0.92-1.16). or the European and American populations (OR 1.01, 95%CI 0.87-1.17). CONCLUSION There was a slight gender disparity for HHV-8 infection in the adult population. Among the adult populations from SSA and globally, men were more likely to be infected with HHV-8 than were women. However, no statistical significance was observed in the child populations from SSA and globally. In the future, the inclusion of more standardized studies may strengthen the results of this study.
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Affiliation(s)
- Haibo Gong
- Department of Dermatology, Henan Provincial People's Hospital; People's Hospital of Zhengzhou University, No. 7 Weiwu Road, Zhengzhou, Zhengzhou, Henan, 450003, China.
| | - Shuai Zhang
- Department of Dermatology, Henan Provincial People's Hospital; People's Hospital of Zhengzhou University, No. 7 Weiwu Road, Zhengzhou, Zhengzhou, Henan, 450003, China
| | - Jinfa Dou
- Department of Dermatology, Henan Provincial People's Hospital; People's Hospital of Zhengzhou University, No. 7 Weiwu Road, Zhengzhou, Zhengzhou, Henan, 450003, China
| | - Jing Chen
- Department of Dermatology, Henan Provincial People's Hospital; People's Hospital of Zhengzhou University, No. 7 Weiwu Road, Zhengzhou, Zhengzhou, Henan, 450003, China
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Kluger N, Blomqvist C, Kivelä P. Kaposi sarcoma in Southern Finland (2006-2018). Int J Dermatol 2019; 58:1258-1263. [PMID: 31222805 DOI: 10.1111/ijd.14563] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/01/2018] [Revised: 05/15/2019] [Accepted: 05/31/2019] [Indexed: 12/26/2022]
Abstract
BACKGROUND Kaposi sarcoma (KS) age-standardized incidence rate is below 0.3 per 100,000 in Nordic countries. Data on KS in Finland have been sparse. METHODS A retrospective review of all the patients with KS cases managed in the Helsinki University Central Hospital between 2006 and 2018. RESULTS Forty patients (median age at diagnosis 45 years, 38 males) were included. About 2.5 new cases were diagnosed per year (incidence 0.16 /100,000). The different subtypes of KS were: human immunodeficiency virus (HIV) (65%), classical KS (30%), and immunodepression (5%). Patients with HIV were significantly younger, more likely to have cutaneous lesions of the face, the trunk, and mucosal lesions, and KS within lymph nodes and inner organs. KS was diagnosed at the same time as HIV in 77% of cases, 28% with CD4-cell level above 300 cells/mm3 . Among the patients with classical KS (n = 12), 75% were of Finnish origin, 41% had a second primary malignancy diagnosed, and 25% had noninsulin dependent diabetes mellitus. Among HIV patients, 27% had another AIDS-related illness, 7% of the patients developed lymphoproliferative disorders, and 7% a hemophagocytic syndrome. Patients with HIV were always treated with antiviral therapy, with pegylated liposomal doxorubicin in 57% of the cases. Local radiotherapy was the main treatment for other KS types. None of the 5 deaths during follow-up was related to KS. CONCLUSIONS Classical KS (KS-CLA) occurs among native Finns, frequently with other present malignancies. Screening of HIV and other malignancies is warranted in new cases of KS.
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Affiliation(s)
- Nicolas Kluger
- Dermatology, Allergology and Venereology, Helsinki University Central Hospital and University of Helsinki, Helsinki, Finland
| | - Carl Blomqvist
- Comprehensive Cancer Center, Helsinki University Central Hospital and University of Helsinki, Helsinki, Finland
| | - Pia Kivelä
- Department of Infectious Diseases, Center of Inflammation, Helsinki University Central Hospital and University of Helsinki, Helsinki, Finland
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3
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Abstract
Kaposi sarcoma (KS) gained public attention as an AIDS-defining malignancy; its appearance on the skin was a highly stigmatizing sign of HIV infection during the height of the AIDS epidemic. The widespread introduction of effective antiretrovirals to control HIV by restoring immunocompetence reduced the prevalence of AIDS-related KS, although KS does occur in individuals with well-controlled HIV infection. KS also presents in individuals without HIV infection in older men (classic KS), in sub-Saharan Africa (endemic KS) and in transplant recipients (iatrogenic KS). The aetiologic agent of KS is KS herpesvirus (KSHV; also known as human herpesvirus-8), and viral proteins can induce KS-associated cellular changes that enable the virus to evade the host immune system and allow the infected cell to survive and proliferate despite viral infection. Currently, most cases of KS occur in sub-Saharan Africa, where KSHV infection is prevalent owing to transmission by saliva in childhood compounded by the ongoing AIDS epidemic. Treatment for early AIDS-related KS in previously untreated patients should start with the control of HIV with antiretrovirals, which frequently results in KS regression. In advanced-stage KS, chemotherapy with pegylated liposomal doxorubicin or paclitaxel is the most common treatment, although it is seldom curative. In sub-Saharan Africa, KS continues to have a poor prognosis. Newer treatments for KS based on the mechanisms of its pathogenesis are being explored.
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Affiliation(s)
- Ethel Cesarman
- Department of Pathology and Laboratory Medicine, Weill Cornell Medical College, New York, NY, USA.
| | - Blossom Damania
- Department of Microbiology and Immunology, Lineberger Cancer Center, University of North Carolina School of Medicine, Chapel Hill, NC, USA
| | | | - Jeffrey Martin
- Department of Epidemiology and Biostatistics, University of California, San Francisco, CA, USA
| | - Mark Bower
- National Centre for HIV Malignancy, Chelsea & Westminster Hospital, London, UK
| | - Denise Whitby
- Leidos Biomedical Research, AIDS and Cancer Virus Program, Frederick National Laboratory for Cancer Research, Frederick, MD, USA
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Tsai JP, Tseng KC, Lin MN, Su CC. A high seroprevalence of human herpesvirus type 8 already present in patients with chronic hepatitis before the development of cirrhosis. Pathology 2018; 51:86-90. [PMID: 30497802 DOI: 10.1016/j.pathol.2018.10.005] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2018] [Revised: 09/05/2018] [Accepted: 10/10/2018] [Indexed: 01/02/2023]
Abstract
A high seroprevalence of human herpesvirus type 8 (HHV-8) in mild cirrhotics is significantly associated with hepatitis activity. Cirrhosis is always derived from chronic hepatitis. We aimed to evaluate the prevalence of HHV-8 infection in patients with chronic hepatitis. Blood samples collected from 129 patients with chronic hepatitis and 129 age- and sex-matched healthy controls were analysed for monocyte and platelet counts, hepatitis B surface antigen (HBsAg), anti-hepatitis C virus (anti-HCV), HHV-8 antibody and DNA, and alanine aminotransferase (ALT). Mean monocyte and platelet counts were significantly higher and lower in patients than in healthy controls (p = 0.02 and < 0.0001, respectively). Seropositive rate for HHV-8 antibodies was significantly greater in patients (32.6%) than in controls (20.9%, p = 0.04), particularly in patients with HCV infection, or higher plasma ALT levels, or both (p = 0.004, 0.01, and 0.0009, respectively). Antibody titres for HHV-8 in patients also exceeded those in controls (p = 0.02). The mean age of HHV-8 seropositive patients (60.3 years) was significantly older than that of seronegatives (52.3 years) (p = 0.0007). Patients aged 55 or older had higher seropositive rate and titres for HHV-8 antibodies than those younger (p = 0.005 and 0.007, respectively). A significantly high HHV-8 seroprevalence is already present in patients with chronic hepatitis before the development of cirrhosis, particularly in patients with HCV infection and/or higher plasma ALT levels. Advancing age seems to play an important role in HHV-8 seroprevalence in patients with chronic hepatitis.
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Affiliation(s)
- Jen-Pi Tsai
- Department of Internal Medicine, Buddhist Dalin Tzu Chi Hospital, Chiayi County, Taiwan; School of Medicine, Tzu Chi University, Hualien, Taiwan; Institute of Medicine, Chung Shan Medical University, Taichung, Taiwan
| | - Kuo-Chih Tseng
- Department of Internal Medicine, Buddhist Dalin Tzu Chi Hospital, Chiayi County, Taiwan; School of Medicine, Tzu Chi University, Hualien, Taiwan
| | - Ming-Nan Lin
- School of Medicine, Tzu Chi University, Hualien, Taiwan; Department of Family Medicine, Buddhist Dalin Tzu Chi Hospital, Chiayi County, Taiwan
| | - Cheng-Chuan Su
- School of Medicine, Tzu Chi University, Hualien, Taiwan; Department of Clinical Pathology, Buddhist Dalin Tzu Chi Hospital, Chiayi County, Taiwan; Department of Anatomic Pathology, Buddhist Dalin Tzu Chi Hospital, Chiayi County, Taiwan.
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5
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Begré L, Rohner E, Mbulaiteye SM, Egger M, Bohlius J. Is human herpesvirus 8 infection more common in men than in women? Systematic review and meta-analysis. Int J Cancer 2016; 139:776-83. [PMID: 27062038 DOI: 10.1002/ijc.30129] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2015] [Revised: 03/02/2016] [Accepted: 03/16/2016] [Indexed: 11/06/2022]
Abstract
All forms of Kaposi sarcoma (KS) are more common in men than in women. It is unknown if this is due to a higher prevalence of human herpesvirus 8 (HHV-8), the underlying cause of KS, in men compared to women. We did a systematic review and meta-analysis to examine the association between HHV-8 seropositivity and gender in the general population. Studies in selected populations like for example, blood donors, hospital patients and men who have sex with men were excluded. We searched Medline and Embase from January 1994 to February 2015. We included observational studies that recruited participants from the general population and reported HHV-8 seroprevalence for men and women or boys and girls. We used random-effects meta-analysis to pool odds ratios (OR) of the association between HHV-8 and gender. We used meta-regression to identify effect modifiers, including age, geographical region and type of HHV-8 antibody test. We included 22 studies, with 36,175 participants. Men from sub-Saharan Africa (SSA) [OR 1.21, 95% confidence interval (CI) 1.09-1.34], but not men from elsewhere (OR 0.94, 95% CI 0.83-1.06), were more likely to be HHV-8 seropositive than women (p value for interaction = 0.010). There was no difference in HHV-8 seroprevalence between boys and girls from SSA (OR 0.90, 95% CI 0.72-1.13). The type of HHV-8 assay did not affect the overall results. A higher HHV-8 seroprevalence in men than women in SSA may partially explain why men have a higher KS risk in this region.
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Affiliation(s)
- Lorin Begré
- Institute of Social and Preventive Medicine, University of Bern, Bern, Switzerland
| | - Eliane Rohner
- Institute of Social and Preventive Medicine, University of Bern, Bern, Switzerland
| | - Sam M Mbulaiteye
- Division of Cancer Epidemiology and Genetics, National Cancer Institute, Bethesda, MD
| | - Matthias Egger
- Institute of Social and Preventive Medicine, University of Bern, Bern, Switzerland.,Centre for Infectious Disease Epidemiology & Research, School of Public Health & Family Medicine, University of Cape Town, Cape Town, South Africa
| | - Julia Bohlius
- Institute of Social and Preventive Medicine, University of Bern, Bern, Switzerland
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Su CC, Lai CL, Tsao SM, Lin MN, Hsieh TC, Lu JJ, Chu TY. High prevalence of human herpesvirus type 8 infection in patients with pulmonary tuberculosis in Taiwan. Clin Microbiol Infect 2014; 21:266.e5-7. [PMID: 25658539 DOI: 10.1016/j.cmi.2014.10.015] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2014] [Revised: 10/17/2014] [Accepted: 10/21/2014] [Indexed: 11/27/2022]
Abstract
Blood samples were collected from 101 untreated pulmonary tuberculosis (TB) patients and 101 age- and sex-matched healthy control subjects. TB patients had lower lymphocyte and a higher monocyte counts than control subjects (p <0.0001 for both). The seropositive rate of human herpesvirus (HHV) type 8 antibody was higher in patients (30/101) than in control subjects (15/101) (p = 0.01). Antibody titres in patients also exceeded those in control subjects (p 0.006). Lymphocyte and monocyte counts between seronegative and seropositive subjects were not different. Four patients were positive for HHV-8 DNA. The study revealed a significantly higher HHV-8 seroprevalence in untreated pulmonary TB patients than in general population.
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Affiliation(s)
- C-C Su
- Institute of Medical Sciences, Tzu Chi University, Taiwan; Departments of Laboratory Medicine and Pathology, Taiwan; Departments of Clinical Pathology and Anatomic Pathology, Taiwan.
| | - C-L Lai
- School of Medicine, Tzu Chi University, Taiwan; Division of Pulmonary and Critical Care, Department of Internal Medicine, Taiwan
| | - S-M Tsao
- Institute of Microbiology and Immunology, and Sections of Infectious Diseases and Chest Medicine, Department of Internal Medicine, Chung Shan Medical University Hospital, Taichung, Taiwan
| | - M-N Lin
- Department of Family Medicine, Buddhist Dalin Tzu Chi Hospital, Chiayi, Taiwan
| | - T-C Hsieh
- Institute of Medical Sciences, Tzu Chi University, Taiwan
| | - J-J Lu
- Department of Laboratory Medicine, Chang Gung Memorial Hospital, Linkou, Taoyuan, Taiwan
| | - T-Y Chu
- Institute of Medical Sciences, Tzu Chi University, Taiwan; Department of Obstetrics and Gynecology, Buddhist Tzu Chi Medical Center, Hualien, Taiwan.
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Pérez-Bercoff L, Valentini D, Gaseitsiwe S, Mahdavifar S, Schutkowski M, Poiret T, Pérez-Bercoff Å, Ljungman P, Maeurer MJ. Whole CMV proteome pattern recognition analysis after HSCT identifies unique epitope targets associated with the CMV status. PLoS One 2014; 9:e89648. [PMID: 24740411 PMCID: PMC3989190 DOI: 10.1371/journal.pone.0089648] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2013] [Accepted: 01/26/2014] [Indexed: 12/23/2022] Open
Abstract
Cytomegalovirus (CMV) infection represents a vital complication after Hematopoietic Stem Cell Transplantation (HSCT). We screened the entire CMV proteome to visualize the humoral target epitope-focus profile in serum after HSCT. IgG profiling from four patient groups (donor and/or recipient +/− for CMV) was performed at 6, 12 and 24 months after HSCT using microarray slides containing 17174 of 15mer-peptides overlapping by 4 aa covering 214 proteins from CMV. Data were analyzed using maSigPro, PAM and the ‘exclusive recognition analysis (ERA)’ to identify unique CMV epitope responses for each patient group. The ‘exclusive recognition analysis’ of serum epitope patterns segregated best 12 months after HSCT for the D+/R+ group (versus D−/R−). Epitopes were derived from UL123 (IE1), UL99 (pp28), UL32 (pp150), this changed at 24 months to 2 strongly recognized peptides provided from UL123 and UL100. Strongly (IgG) recognized CMV targets elicited also robust cytokine production in T-cells from patients after HSCT defined by intracellular cytokine staining (IL-2, TNF, IFN and IL-17). High-content peptide microarrays allow epitope profiling of entire viral proteomes; this approach can be useful to map relevant targets for diagnostics and therapy in patients with well defined clinical endpoints. Peptide microarray analysis visualizes the breadth of B-cell immune reconstitution after HSCT and provides a useful tool to gauge immune reconstitution.
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Affiliation(s)
- Lena Pérez-Bercoff
- Department of Medicine Huddinge, Karolinska Institutet; Dept. of Hematology, Karolinska University Hospital, Stockholm, Sweden
- CAST (Center for allogeneic stem cell transplantation), Karolinska Hospital
| | - Davide Valentini
- CAST (Center for allogeneic stem cell transplantation), Karolinska Hospital
| | | | - Shahnaz Mahdavifar
- The Swedish Institute for Infectious Disease Control (SMI), Stockholm, Sweden
| | - Mike Schutkowski
- Department of Enzymology, Institute for Biochemistry and Biotechnology, Martin Luther University Halle-Wittenberg, Halle, Germany
| | - Thomas Poiret
- Division of Therapeutic Immunology (TIM), LabMed Karolinska Institutet, Stockholm, Sweden
| | - Åsa Pérez-Bercoff
- Department of Genome Biology, John Curtin School of Medical Research, The Australian National University, Canberra, Australia
| | - Per Ljungman
- Department of Medicine Huddinge, Karolinska Institutet; Dept. of Hematology, Karolinska University Hospital, Stockholm, Sweden
| | - Markus J. Maeurer
- CAST (Center for allogeneic stem cell transplantation), Karolinska Hospital
- Division of Therapeutic Immunology (TIM), LabMed Karolinska Institutet, Stockholm, Sweden
- * E-mail:
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8
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Tung YC, Ke LY, Tsai SM, Lu PL, Tsai WC. High seroprevalence of human herpesvirus 8 infection in patients with systemic lupus erythematosus. Int J Rheum Dis 2013; 16:709-14. [DOI: 10.1111/1756-185x.12193] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Yi-Ching Tung
- Department of Public Health and Environmental Medicine; Kaohsiung Medical University; Kaohsiung Taiwan
- Graduate Institute of Medicine; Kaohsiung Medical University; Kaohsiung Taiwan
| | - Liang-Yin Ke
- Graduate Institute of Medicine; Kaohsiung Medical University; Kaohsiung Taiwan
- Department of Laboratory Medicine; Kaohsiung Medical University Hospital; Kaohsiung Taiwan
| | - Shih-Meng Tsai
- Department of Public Health and Environmental Medicine; Kaohsiung Medical University; Kaohsiung Taiwan
| | - Po-Liang Lu
- Department of Laboratory Medicine; Kaohsiung Medical University Hospital; Kaohsiung Taiwan
- College of Medicine; Kaohsiung Medical University; Kaohsiung Taiwan
- Department of Internal Medicine; Kaohsiung Medical University Hospital; Kaohsiung Taiwan
| | - Wen-Chan Tsai
- Department of Laboratory Medicine; Kaohsiung Medical University Hospital; Kaohsiung Taiwan
- College of Medicine; Kaohsiung Medical University; Kaohsiung Taiwan
- Department of Internal Medicine; Kaohsiung Medical University Hospital; Kaohsiung Taiwan
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Borges JD, Souza VAUF, Giambartolomei C, Dudbridge F, Freire WS, Gregório SA, Torrez PPQ, Quiroga M, Mayaud P, Pannuti CS, Nascimento MC. Transmission of human herpesvirus type 8 infection within families in american indigenous populations from the Brazilian Amazon. J Infect Dis 2012; 205:1869-76. [PMID: 22474036 DOI: 10.1093/infdis/jis278] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
BACKGROUND The intrafamilial dynamics of endemic infection with human herpesvirus type 8 (HHV-8) in Amerindian populations is unknown. METHODS Serum samples were obtained from 517 Amerindians and tested for HHV-8 anti-latent nuclear antigen (anti-LANA) and antilytic antibodies by immunofluorescence assays. Logistic regression and mixed logistic models were used to estimate the odds of being HHV-8 seropositive among intrafamilial pairs. RESULTS HHV-8 seroprevalence by either assay was 75.4% (95% confidence interval [CI]: 71.5%-79.1%), and it was age-dependent (P(trend) < .001). Familial dependence in HHV-8 seroprevalence by either assay was found between mother-offspring (odds ratio [OR], 5.44; 95% CI: 1.62-18.28) and siblings aged ≥10 years (OR 4.42, 95% CI: 1.70-11.45) or siblings in close age range (<5 years difference) (OR 3.37, 95% CI: 1.21-9.40), or in families with large (>4) number of siblings (OR, 3.20, 95% CI: 1.33-7.67). In separate analyses by serological assay, there was strong dependence in mother-offspring (OR 8.94, 95% CI: 2.94-27.23) and sibling pairs aged ≥10 years (OR, 11.91, 95% CI: 2.23-63.64) measured by LANA but not lytic antibodies. CONCLUSIONS This pattern of familial dependence suggests that, in this endemic population, HHV-8 transmission mainly occurs from mother to offspring and between close siblings during early childhood, probably via saliva. The mother to offspring dependence was derived chiefly from anti-LANA antibodies.
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Affiliation(s)
- Jaila D Borges
- Laboratório de Virologia (LIMHC), Instituto de Medicina Tropical de São Paulo, Universidade de São Paulo
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Chêne A, Nylén S, Donati D, Bejarano MT, Kironde F, Wahlgren M, Falk KI. Effect of acute Plasmodium falciparum malaria on reactivation and shedding of the eight human herpes viruses. PLoS One 2011; 6:e26266. [PMID: 22039454 PMCID: PMC3200318 DOI: 10.1371/journal.pone.0026266] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2011] [Accepted: 09/23/2011] [Indexed: 11/18/2022] Open
Abstract
Human herpes viruses (HHVs) are widely distributed pathogens. In immuno-competent individuals their clinical outcomes are generally benign but in immuno-compromised hosts, primary infection or extensive viral reactivation can lead to critical diseases. Plasmodium falciparum malaria profoundly affects the host immune system. In this retrospective study, we evaluated the direct effect of acute P. falciparum infection on reactivation and shedding of all known human herpes viruses (HSV-1, HSV-2, VZV, EBV, CMV, HHV-6, HHV-7, HHV-8). We monitored their presence by real time PCR in plasma and saliva of Ugandan children with malaria at the day of admission to the hospital (day-0) and 14 days later (after treatment), or in children with mild infections unrelated to malaria. For each child screened in this study, at least one type of HHV was detected in the saliva. HHV-7 and HHV-6 were detected in more than 70% of the samples and CMV in approximately half. HSV-1, HSV-2, VZV and HHV-8 were detected at lower frequency. During salivary shedding the highest mean viral load was observed for HSV-1 followed by EBV, HHV-7, HHV-6, CMV and HHV-8. After anti-malarial treatment the salivary HSV-1 levels were profoundly diminished or totally cleared. Similarly, four children with malaria had high levels of circulating EBV at day-0, levels that were cleared after anti-malarial treatment confirming the association between P. falciparum infection and EBV reactivation. This study shows that acute P. falciparum infection can contribute to EBV reactivation in the blood and HSV-1 reactivation in the oral cavity. Taken together our results call for further studies investigating the potential clinical implications of HHVs reactivation in children suffering from malaria.
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Affiliation(s)
- Arnaud Chêne
- Department of Microbiology Tumor and Cell Biology (MTC), Karolinska Institutet, Stockholm, Sweden
| | - Susanne Nylén
- Department of Microbiology Tumor and Cell Biology (MTC), Karolinska Institutet, Stockholm, Sweden
| | - Daria Donati
- Department of Medicine, Center for Infectious Medicine, Karolinska Institutet, Stockholm, Sweden
| | - Maria Teresa Bejarano
- Department of Microbiology Tumor and Cell Biology (MTC), Karolinska Institutet, Stockholm, Sweden
- Department of Medicine, Center for Infectious Medicine, Karolinska Institutet, Stockholm, Sweden
| | - Fred Kironde
- Department of Biochemistry, Faculty of Medicine, Makerere University, Kampala, Uganda
| | - Mats Wahlgren
- Department of Microbiology Tumor and Cell Biology (MTC), Karolinska Institutet, Stockholm, Sweden
- * E-mail:
| | - Kerstin I. Falk
- Department of Microbiology Tumor and Cell Biology (MTC), Karolinska Institutet, Stockholm, Sweden
- Swedish Institute for Communicable Disease Control, Solna, Sweden
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Pukkala E. Nordic biological specimen bank cohorts as basis for studies of cancer causes and control: quality control tools for study cohorts with more than two million sample donors and 130,000 prospective cancers. Methods Mol Biol 2011; 675:61-112. [PMID: 20949384 DOI: 10.1007/978-1-59745-423-0_3] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/30/2023]
Abstract
The Nordic countries have a long tradition of large-scale biobanking and comprehensive, population-based health data registries linkable on unique personal identifiers, enabling follow-up studies spanning many decades. Joint Nordic biobank-based studies provide unique opportunities for longitudinal molecular epidemiological research. The Nordic Biological Specimen Banks working group on Cancer Causes and Control (NBSBCCC) has worked out very precise quality assurance principles for handling of the samples, based on the tradition in biobank culture. The aim of this paper is to demonstrate how high standards of quality assurance can also be developed for the data related to the subjects and samples in the biobanks. Some of the practices adopted from the strong Nordic cohort study experience evidently improve quality of nested case-control studies nested in biobank cohorts. The data quality requirements for the standardised incidence ratio calculation offer a good way to check and improve accuracy of person identifiers and completeness of follow-up for vital status, which are crucial in case-control studies for picking up right controls for the cases. The nested case-control design applying incidence-density sampling is recommended as an optimal design for most biobank-based studies. It is demonstrated how some types of biobanks have a period immediately after sampling, when the cancer risk is not comparable with the cancer risk in the base population, and how many of the biobanks never represent the normal average population of the region. The estimates on the population-representativeness of the biobanks assist in interpretation of generalisability of results of the studies based on these samples, and the systematic tabulations of numbers of cancer cases will serve in study power estimations. The well over 130,000 prospective cancer cases registered among subjects in the NBSBCCC biobank cohorts have already offered unique possibilities for tens of strong studies, but for rare exposure-outcome combinations predictions on future numbers of cases improve the chance to select the right moment when the study will have accurate statistical power.
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Affiliation(s)
- Eero Pukkala
- Finnish Cancer Registry, Institute for Statistical and Epidemiological Cancer Research, Helsinki, Finland
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Okroj M, Tedeschi R, Mancuso R, Brambilla L, Tourlaki A, Dillner J, Blom AM. Prevalence of antibodies against Kaposi's sarcoma associated herpes virus (KSHV) complement inhibitory protein (KCP) in KSHV-related diseases and their correlation with clinical parameters. Vaccine 2010; 29:1129-34. [PMID: 21134448 DOI: 10.1016/j.vaccine.2010.11.070] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2010] [Revised: 11/15/2010] [Accepted: 11/22/2010] [Indexed: 11/30/2022]
Abstract
Kaposi's sarcoma-associated herpes virus (KSHV) encodes its own inhibitor of the complement system, designated KSHV complement control protein (KCP). Previously, we detected anti-KCP antibodies in a small group of 22 patients suffering from Kaposi's sarcoma (KS) and KSHV-related lymphoproliferative diseases (Vaccine, 25:8102-9). Anti-KCP antibodies were more prevalent in individuals suffering from KSHV-related lymphomas than KS and also in those with high titer of antibodies against lytic KSHV antigens. Herein we analyze anti-KCP antibodies in 175 individuals originating from three different groups from northern Sweden or Italy, which included patients suffering from classical or HIV-associated KS, Multicentric Castleman's Disease, KSHV-associated solid lymphoma, pleural effusion lymphoma and healthy individuals with detectable KSHV immune response. Our current study confirmed previous observations concerning antibody prevalence but we also analyzed correlations between anti-KCP antibodies and classical KS evolution, clinical stage and viral load in body fluids. Furthermore, we show that patient's anti-KCP antibodies are able to decrease the ability of KCP to inhibit complement. This fact combined with results of statistical analysis suggests that KCP inactivation by specific antibodies may influence progression of classical KS.
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Affiliation(s)
- Marcin Okroj
- Department of Laboratory Medicine Malmö, Lund University, 20502 Malmö, Sweden
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13
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Kapeu AS, Luostarinen T, Jellum E, Dillner J, Hakama M, Koskela P, Lenner P, Löve A, Mahlamaki E, Thoresen S, Tryggvadóttir L, Wadell G, Youngman L, Lehtinen M. Is smoking an independent risk factor for invasive cervical cancer? A nested case-control study within Nordic biobanks. Am J Epidemiol 2009; 169:480-8. [PMID: 19074773 DOI: 10.1093/aje/kwn354] [Citation(s) in RCA: 58] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022] Open
Abstract
The strong correlation between smoking and exposure to oncogenic human papillomaviruses (HPVs) has made it difficult to verify the independent role of smoking in cervical carcinogenesis. Thus, the authors evaluated this role. Five large Nordic serum banks containing samples from more than 1,000,000 subjects were linked with nationwide cancer registries (1973-2003). Serum samples were retrieved from 588 women who developed invasive cervical cancer and 2,861 matched controls. The samples were analyzed for cotinine (a biomarker of tobacco exposure) and antibodies to HPV types 16 and 18, herpes simplex virus type 2, and Chlamydia trachomatis. Smoking was associated with the risk of squamous cell carcinoma (SCC) among HPV16- and/or HPV18-seropositive heavy smokers (odds ratio=2.7, 95% confidence interval: 1.7, 4.3). A similar risk of SCC (odds ratio=3.2, 95% confidence interval: 2.6, 4.0) was found in heavy smokers after adjustment for HPV16/18 antibodies. The point estimates increased with increasing age at diagnosis and increasing cotinine level. This study confirms that smoking is an independent risk factor for cervical cancer/SCC in women infected with oncogenic HPVs. These findings emphasize the importance of cervical cancer prevention among women exposed to tobacco smoke.
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Affiliation(s)
- Aline Simen Kapeu
- National Public Health Institute, P.O. Box 310, 90101 Oulu, Finland.
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14
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Johansson S, Buchmayer S, Harlid S, Iliadou A, Sjöholm M, Grillner L, Norman M, Sparén P, Dillner J, Cnattingius S. Infection with Parvovirus B19 and Herpes viruses in early pregnancy and risk of second trimester miscarriage or very preterm birth. Reprod Toxicol 2008; 26:298-302. [PMID: 18930808 DOI: 10.1016/j.reprotox.2008.09.012] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2008] [Revised: 09/04/2008] [Accepted: 09/30/2008] [Indexed: 11/17/2022]
Abstract
We investigated whether infections with Parvovirus B19 and Herpes viruses in early pregnancy increase risks of second trimester miscarriage or delivery before 32 gestational weeks. Blood samples taken in early pregnancy were analyzed for Parvovirus B19 or Herpes viruses. Viremia was found in blood samples of 11 (4.7%) women with second trimester miscarriage and 10 (3.7%) women with very preterm birth, compared to 5 (1.7%) women who delivered at term, corresponding to adjusted odds ratios [95% CI] of 3.32 [0.93, 11.8] and 2.21 [0.71, 6.84], respectively. In stratified analyses, Parvovirus B19 viremia was associated with adjusted odds ratios of 3.76 [0.77, 18.3] for second trimester miscarriage and 2.66 [0.64, 11.1] for very preterm birth. Corresponding odds ratios for Human Herpes virus 6 viremia was 2.52 [0.33, 19.5] and 1.08 [0.14, 8.08], respectively. In conclusion, this study lends some support to the hypothesis that women with viremia in early pregnancy may face an increased risk of second trimester miscarriage or very preterm birth. Studies with larger sample sizes are needed.
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Affiliation(s)
- Stefan Johansson
- Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, Sweden
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15
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Nascimento MC, de Souza VA, Sumita LM, Freire W, Weiss HA, Sabino EC, Franceschi S, Pannuti CS, Mayaud P. Prevalence of, and risk factors for Kaposi's sarcoma-associated herpesvirus infection among blood donors in Brazil: A multi-center serosurvey. J Med Virol 2008; 80:1202-10. [DOI: 10.1002/jmv.21188] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
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16
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Rebulla P, Lecchi L, Giovanelli S, Butti B, Salvaterra E. Biobanking in the Year 2007. Transfus Med Hemother 2007. [DOI: 10.1159/000103922] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022] Open
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17
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Ahmadpoor P, Ilkhanizadeh B, Sharifzadeh P, Makhdoomi K, Ghafari A, Nahali A, Yekta Z, Noroozinia F. Seroprevalence of Human Herpes Virus-8 in Renal Transplant Recipients: A Single Center Study From Iran. Transplant Proc 2007; 39:1000-2. [PMID: 17524874 DOI: 10.1016/j.transproceed.2007.02.037] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
The long-term risk of malignancy among renal transplant patients is approximately 100 times that of the general population. Unlike North America and many European countries, Kaposi's sarcoma is the most common cancer after renal transplantation in most series reported from the Middle East. Human herpes virus-8 (HHV-8) has a major role in the pathogenesis of Kaposi's sarcoma. The risk of posttransplantation Kaposi's sarcoma is 23% to 28% among seropositive patients compared with 0.7% among seronegative patients. This study was conducted to investigate the seroprevalence of HHV-8 among our transplant recipients. The sera from 100 renal transplant recipients were examined by indirect immunofluorescence against latent nuclear antigen. Sixty of 100 patients were males. The overall mean age was 41.1 years (range, 17-74 years) with 17 patients older than 55 years. The mean transplantation duration was 41.6 months. Twenty-five percent of patients were seropositive for HHV-8. There was statistically significant seropositivity for HHV-8 among recipients older than 55 years (P=.02). Eight of 17 patients older than 55 years were seropositive (47%), whereas 17/83 patients younger than 55 years were seropositive (20%). There were no significant differences for HHV-8 seropositivity regarding sex, transplantation duration, and immunosuppressive regimen, including dose of immunosuppressive drugs and cyclosporine blood levels. In this study, we showed seropositivity for HHV-8 among a significant percentage of our renal transplant recipients, a finding which may render them at risk to develop Kaposi's sarcoma. Seropositive and seronegative patients were followed for 16 months. One HHV-8 seropositive patient (1/25) developed Kaposi's sarcoma.
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Affiliation(s)
- P Ahmadpoor
- Urmia University of Medical Sciences, Urmia, West Azarbayjan, Iran.
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Ascoli V, Facchinelli L, Valerio L, Manno D, Coluzzi M. Kaposi's sarcoma, human herpesvirus 8 infection and the potential role of promoter-arthropod bites in northern Sweden. J Med Virol 2006; 78:1452-5. [PMID: 16998892 DOI: 10.1002/jmv.20718] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Valeria Ascoli
- Dipartimento di Medicina Sperimentale e Patologia, Università La Sapienza, Roma, Italy.
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