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Lu Y, Wu Q, Wang L, Ji L. Chlamydia trachomatis enhances HPV persistence through immune modulation. BMC Infect Dis 2024; 24:229. [PMID: 38378486 PMCID: PMC10880247 DOI: 10.1186/s12879-024-09094-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2023] [Accepted: 02/04/2024] [Indexed: 02/22/2024] Open
Abstract
Chlamydia trachomatis (CT) is the most common sexually transmitted infections globally, and CT infection can enhance HPV persistence. Epidemiological analysis has shown that patients with CT/HPV coinfection have a higher risk of developing cervical cancer and exhibit more rapid progression to cervical cancer than patients with HPV infection alone. However, the mechanism has not been fully elucidated. Here, we report that CT infection supports HPV persistence by further suppressing the functions of Langerhans cells (LCs); in particular, CT further activates the PI3K pathway and inhibits the MAPK pathways in LCs, and these pathways are frequently involved in the regulation of immune responses. CT/HPV coinfection also impairs LC functions by reducing the antigen-presenting ability and density of LCs. Moreover, CT/HPV coinfection can alter T-cell subsets, resulting in fewer CD4 + and CD8 + T cells and more infiltrating Tregs. Moreover, CT/HPV coinfection decreases the CD4 + /CD8 + T cell ratio to below 1, coinfection also induces greater T lymphocytes' apoptosis than HPV infection, thus impairing cell-mediated immunity and accelerating the progress to cervical cancer.
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Affiliation(s)
- Yingying Lu
- Department of Clinical Laboratory, Shanghai Seventh People's Hospital , Shanghai University of Traditional Chinese Medicine, Shanghai, 200199, China.
| | - Qi Wu
- Department of Clinical Laboratory, Shanghai Zhabei Central Hospital, Shanghai, 200070, China
| | - Li Wang
- Department of Clinical Laboratory, Shanghai Zhabei Central Hospital, Shanghai, 200070, China
| | - Lingting Ji
- Department of Clinical Laboratory, Shanghai Zhabei Central Hospital, Shanghai, 200070, China
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Pella-Saavedra P, Ramos-Vallejos F, del Valle-Mendoza J, Becerra-Goicochea L, Silva-Caso W, Pinillos-Vilca L, Cornejo-Tapia A, Martins-Luna J, Aquino-Ortega R, Carrillo-Ng H, Aguilar-Luis MA. Prevalence of coinfections in a cross-sectional cohort of women screened for multiple pathogens in Peru. Heliyon 2023; 9:e14257. [PMID: 36950601 PMCID: PMC10025105 DOI: 10.1016/j.heliyon.2023.e14257] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2022] [Revised: 02/21/2023] [Accepted: 02/28/2023] [Indexed: 03/18/2023] Open
Abstract
Objective To determine the prevalence and risk factors of sexually transmitted infections (STIs) including Chlamydia trachomatis, Ureaplasma urealyticum and Mycoplasma genitalium among asymptomatic women with human papillomavirus (HPV) infection. Methods A cross-sectional study was performed in 842 asymptomatic women from Cajamarca, Peru. The pathogens were detected using polymerase chain reaction (PCR) and the results were analyzed according to the HPV status: high-risk HPV, low-risk HPV and negative for HPV. Demographical and gyneco-obstetric data was analyzed to identify risk factors. Results We found that 23.99% (202/842) women were positive for HPV, of whom 79.21% (160/202) were infected with a high-risk genotype. Co-infections were evaluated and 14.38% (23/160) were positive for Ureaplasma urealyticum, 9.38% (15/160) for Chlamydia trachomatis and 1.25% (2/160) for Mycoplasma genitalium. We found a significant association between HPV genotype and the number of children, partners, and history of sexual abuse. The co-infection between high-risk HPV and Chlamydia trachomatis was associated with number of abortions, number of sexual partners and no use of condom. Finally, co-infection between high-risk HPV and Ureaplasma urealyticum was associated with no use of condom and history of STIs. Conclusion HPV infection continues to be a highly relevant problem in Peru, particularly due to the high prevalence of high-risk genotypes. In addition, we report high rates of co-infections with other STIs, such as U. urealyticum and C. trachomatis. We highlight the importance of active surveillance to promptly diagnose these infections, since they may lead to persistent HPV infections.
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Affiliation(s)
- Priscilla Pella-Saavedra
- School of Medicine, Research Center of the Faculty of Health Sciences, Universidad Peruana de Ciencias Aplicadas, Lima, Peru
| | - Fatima Ramos-Vallejos
- School of Medicine, Research Center of the Faculty of Health Sciences, Universidad Peruana de Ciencias Aplicadas, Lima, Peru
| | - Juana del Valle-Mendoza
- School of Medicine, Research Center of the Faculty of Health Sciences, Universidad Peruana de Ciencias Aplicadas, Lima, Peru
- Laboratorio de Biologia Molecular, Instituto de Investigación Nutricional, Lima, Peru
- Corresponding authors. School of Medicine, Research Center of the Faculty of Health Sciences, Universidad Peruana de Ciencias Aplicadas, Lima, Peru.
| | - Lorena Becerra-Goicochea
- Hospital Regional Docente de Cajamarca, Cajamarca, Peru
- Facultad de Ciencias de la Salud. Universidad Nacional de Cajamarca, Cajamarca, Peru
| | - Wilmer Silva-Caso
- School of Medicine, Research Center of the Faculty of Health Sciences, Universidad Peruana de Ciencias Aplicadas, Lima, Peru
- Laboratorio de Biologia Molecular, Instituto de Investigación Nutricional, Lima, Peru
| | - Luis Pinillos-Vilca
- Hospital Regional Docente de Cajamarca, Cajamarca, Peru
- Facultad de Medicina. Universidad Nacional de Cajamarca, Cajamarca, Peru
| | - Angela Cornejo-Tapia
- School of Medicine, Research Center of the Faculty of Health Sciences, Universidad Peruana de Ciencias Aplicadas, Lima, Peru
| | - Johanna Martins-Luna
- School of Medicine, Research Center of the Faculty of Health Sciences, Universidad Peruana de Ciencias Aplicadas, Lima, Peru
- Laboratorio de Biologia Molecular, Instituto de Investigación Nutricional, Lima, Peru
| | - Ronald Aquino-Ortega
- School of Medicine, Research Center of the Faculty of Health Sciences, Universidad Peruana de Ciencias Aplicadas, Lima, Peru
- Laboratorio de Biologia Molecular, Instituto de Investigación Nutricional, Lima, Peru
| | - Hugo Carrillo-Ng
- School of Medicine, Research Center of the Faculty of Health Sciences, Universidad Peruana de Ciencias Aplicadas, Lima, Peru
- Laboratorio de Biologia Molecular, Instituto de Investigación Nutricional, Lima, Peru
| | - Miguel Angel Aguilar-Luis
- School of Medicine, Research Center of the Faculty of Health Sciences, Universidad Peruana de Ciencias Aplicadas, Lima, Peru
- Laboratorio de Biologia Molecular, Instituto de Investigación Nutricional, Lima, Peru
- Corresponding authors. School of Medicine, Research Center of the Faculty of Health Sciences, Universidad Peruana de Ciencias Aplicadas, Lima, Peru.
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Kebbi-Beghdadi C, Aeby S, Baud D, Greub G. Evaluation of a Multiplex Real-Time PCR Assay for Detecting Chlamydia trachomatis in Vaginal Samples. Diagnostics (Basel) 2022; 12:diagnostics12051141. [PMID: 35626297 PMCID: PMC9139926 DOI: 10.3390/diagnostics12051141] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2022] [Revised: 04/14/2022] [Accepted: 04/19/2022] [Indexed: 02/04/2023] Open
Abstract
Chlamydia trachomatis is an important cause of sexually transmitted infections (STI) in Western countries. It is often asymptomatic, and thus, left untreated, and can have severe negative consequences, such as tubal infertility or adverse pregnancy outcomes. Other sexually transmitted microorganisms, such as Neisseria gonorrhoeae and Trichomonas vaginalis, as well as normal residents of the vaginal flora, such as genital mycoplasmas, also negatively impact human sexual and reproductive health. We evaluated the reliability of the Seegene Allplex STI Essential Assay for C. trachomatis detection using the real-time qPCR routinely used in our diagnostic laboratories as the gold standard. The Seegene assay displayed a sensitivity of 97.8% and a specificity of 98.9%. As this assay can also detect six other urogenital pathogens, we applied it to 404 samples from women who attended Lausanne University Maternity Hospital and obtained the following prevalence rates: 2.5% for C. trachomatis, 3.5% for Mycoplasma hominis, 6.3% for Ureaplasma urealyticum, and 27.7% for Ureaplasma parvum. Two samples were positive for Trichomonas vaginalis, and one sample was positive for Mycoplasma genitalium. Bacterial vaginosis was present in 4.5% of the cases and was strongly associated with M. hominis. Finally, we confirmed the association between C. trachomatis infection and pre-term birth (p = 0.03) but could not detect any association of this condition with other urogenital pathogens (Mycoplasma/Ureaplasma). In conclusion, given its high sensitivity and specificity for C. trachomatis DNA detection as well as its multiplex format, which simultaneously provides results for six other urogenital pathogens, the Seegene Allplex™ STI Essential Assay represents an appealing diagnostic tool in modern microbiology laboratories.
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Affiliation(s)
- Carole Kebbi-Beghdadi
- Institute of Microbiology, Lausanne University Hospital and University of Lausanne, CH-1011 Lausanne, Switzerland; (C.K.-B.); (S.A.)
| | - Sebastien Aeby
- Institute of Microbiology, Lausanne University Hospital and University of Lausanne, CH-1011 Lausanne, Switzerland; (C.K.-B.); (S.A.)
| | - David Baud
- Materno-Fetal and Obstetrics Research Unit, Department Woman-Mother-Child, Lausanne University Hospital, CH-1011 Lausanne, Switzerland;
| | - Gilbert Greub
- Institute of Microbiology, Lausanne University Hospital and University of Lausanne, CH-1011 Lausanne, Switzerland; (C.K.-B.); (S.A.)
- Correspondence: ; Tel.: +41-21-314-4979; Fax: +41-21-314-4060
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Wierzbicka M, Klussmann JP, San Giorgi MR, Wuerdemann N, Dikkers FG. Oral and laryngeal HPV infection: Incidence, prevalence and risk factors, with special regard to concurrent infection in head, neck and genitals. Vaccine 2021; 39:2344-2350. [PMID: 33812740 DOI: 10.1016/j.vaccine.2021.03.047] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2020] [Revised: 03/09/2021] [Accepted: 03/10/2021] [Indexed: 12/20/2022]
Abstract
This review focuses on the importance of oral and laryngeal HPV infection which is present in majority of sexually active individuals at least once in their lifetime. Despite testing, still little is known about prevalence rates, determinants and, especially, the concurrent HPV infection in head and neck, and genitals. The purpose of this review is to clarify some issues of oral HPV incidence, prevalence, and to demonstrate the difficulties in identification of asymptomatic oral HPV carriers. The main premise to take up this topic is the high and still increasing risk for development of oropharyngeal cancer, and potential benefit from screening strategies, education programs and HPV vaccination. Transmission of HPV to the oral cavity and oropharynx is hypothesized to occur mainly through sexual contact. The exposure of oropharyngeal mucosa to HPV infection with consequence of increased risk for oropharyngeal carcinoma depends on specific sexual behavior. Male gender, older age, race or ethnicity, oral hygiene and current cigarette smoking are independently associated with any prevalent oral HPV infection.
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Affiliation(s)
- Malgorzata Wierzbicka
- Department of Otolaryngology and Laryngological Oncology, University of Medical Sciences, 49 Stanisława Przybyszewskiego, 60-357 Poznań, Poland
| | - Jens Peter Klussmann
- ENT Clinic of the University Hospital of Cologne, Kerpener Str. 62, 50931 Cologne, Germany
| | - Michel R San Giorgi
- Department of Otorhinolaryngology, Head and Neck Surgery, University Medical Center Groningen, Hanzeplein 1, 9713 GZ Groningen, the Netherlands
| | - Nora Wuerdemann
- ENT Clinic of the University Hospital of Cologne, Kerpener Str. 62, 50931 Cologne, Germany
| | - Frederik G Dikkers
- Amsterdam UMC, University of Amsterdam, Department of Otorhinolaryngology, Head and Neck Surgery, Meibergdreef 9, 1105 AZ Amsterdam, the Netherlands.
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Escarcega-Tame MA, López-Hurtado M, Escobedo-Guerra MR, Reyes-Maldonado E, Castro-Escarpulli G, Guerra-Infante FM. Co-infection between genotypes of the human papillomavirus and Chlamydia trachomatis in Mexican women. Int J STD AIDS 2020; 31:1255-1262. [PMID: 32998641 DOI: 10.1177/0956462420947587] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
Not all human papillomavirus (HPV) infections develop into cervical cancer (CC), so it is proposed that other factors may influence this, such as co-infection with Chlamydia trachomatis (CT). To identify the prevalence of co-infection, we included 189 women with suspicion of HPV. Viral typing was performed by carrying out the Roche HP Linear Array test, while CT detection was performed with the COBAS® TaqMan® 48 kit from Roche. Of the 189 women only 184 had an infection with HPV, CT or both: 56.6% were positive for one or several HPV genotypes, and 67.7% for CT. Clinical data showed an association between HPV and CIN I (n = 22; RR = 2.43; 95% CI 1.72-3.43, p < 0.05). CT infection was only associated with cervicitis (n = 40; RR = 1.73; 95% CI 1.34-2.23, p < 0.05). The CT-HPV co-infection rate was 28%. Co-infection revealed an association with CIN I (n = 31, RR= 3.33; 95% CI 2.08-5.34 p < 0.05), CIN III (n = 7; RR = 2.57; 95% CI 1.53-4.31, p < 0.05); and a significant risk of 2.3 (95% CI 1.08-4.90) times higher to develop CC; nevertheless, this risk was not statistically significant. CT/HPV co-infection was associated with the development of a high-grade lesion (CIN III) as well as an important risk for developing CC.
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Affiliation(s)
- Marco A Escarcega-Tame
- Laboratorio de Virología, Departamento de Infectología del Instituto Nacional de Perinatología Isidro Espinosa de los Reyes, Colonia Lomas de los Virreyes, Delegación Miguel Hidalgo, Ciudad de México, Mexico.,Laboratorio de Investigación Clínica y Ambiental, Departamento de Microbiología de la Escuela Nacional de Ciencias Biológicas del Instituto Politécnico Nacional, Delegación Miguel Hidalgo, Ciudad de México, Mexico
| | - Marcela López-Hurtado
- Laboratorio de Virología, Departamento de Infectología del Instituto Nacional de Perinatología Isidro Espinosa de los Reyes, Colonia Lomas de los Virreyes, Delegación Miguel Hidalgo, Ciudad de México, Mexico
| | - Marcos R Escobedo-Guerra
- Laboratorio de Virología, Departamento de Infectología del Instituto Nacional de Perinatología Isidro Espinosa de los Reyes, Colonia Lomas de los Virreyes, Delegación Miguel Hidalgo, Ciudad de México, Mexico
| | - Elba Reyes-Maldonado
- Laboratorio de Citología, Departamento de Morfología de la Escuela Nacional de Ciencias Biológicas del Instituto Politécnico Nacional, Delegación Miguel Hidalgo, Ciudad de México, Mexico
| | - Graciela Castro-Escarpulli
- Laboratorio de Investigación Clínica y Ambiental, Departamento de Microbiología de la Escuela Nacional de Ciencias Biológicas del Instituto Politécnico Nacional, Delegación Miguel Hidalgo, Ciudad de México, Mexico
| | - Fernando M Guerra-Infante
- Laboratorio de Virología, Departamento de Infectología del Instituto Nacional de Perinatología Isidro Espinosa de los Reyes, Colonia Lomas de los Virreyes, Delegación Miguel Hidalgo, Ciudad de México, Mexico.,Laboratorio de Microbiologia Veterinaria, Departamento de Microbiología de la Escuela Nacional de Ciencias Biológicas del Instituto Politécnico Nacional, Delegación Miguel Hidalgo, Ciudad de México, Mexico
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Hernández-Rosas F, Orozco-Hernández E, Maza-Sánchez L, Salgado-García PC, Navarro-Vidal E, León-Bautista MPD. Prevalence and correlation of human papillomavirus genotypes with clinical factors in cervical samples from Mexican women. Exp Biol Med (Maywood) 2020; 246:48-56. [PMID: 32962407 DOI: 10.1177/1535370220959747] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
IMPACT STATEMENT We are submitting data regarding the prevalence and type distribution of the HPV infection and the risk factors associated with it, which may provide a valuable reference to reinforce screening strategies, and to maintain HPV genotype surveillance in Mexico. We discuss the overall prevalence of HPV infection as detected in normal cytological samples stratified by age, different types of infection, and oncogenic capacity. One of the most important findings was that common HPV genotypes detected in healthy women were the genotype numbers: 6, 31, 16, and 56, likewise, smoking and having a history of more than three sexual partners over their lifetime, represented the main risk factors in this study. Furthermore, we found a low frequency of cytological abnormalities and CIN 1-3 in women with HR-HPV.
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Affiliation(s)
- Fabiola Hernández-Rosas
- Translational Medicine, Vanguard and Technology Transfer Sector, Human Health Department, Central ADN S.A. de C.V. Morelia, Michoacán 58090, México.,Biomedical Engineering Faculty, Anáhuac University, Querétaro 76246, México
| | - Erika Orozco-Hernández
- Translational Medicine, Vanguard and Technology Transfer Sector, Human Health Department, Central ADN S.A. de C.V. Morelia, Michoacán 58090, México
| | | | - Pamela Citlalli Salgado-García
- Translational Medicine, Vanguard and Technology Transfer Sector, Human Health Department, Central ADN S.A. de C.V. Morelia, Michoacán 58090, México
| | - Enrique Navarro-Vidal
- Translational Medicine, Vanguard and Technology Transfer Sector, Human Health Department, Central ADN S.A. de C.V. Morelia, Michoacán 58090, México
| | - Mercedes Piedad de León-Bautista
- Translational Medicine, Vanguard and Technology Transfer Sector, Human Health Department, Central ADN S.A. de C.V. Morelia, Michoacán 58090, México.,Escuela de Medicina, Universidad Vasco de Quiroga, Michoacán 58090, México
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Wei CY, Lin JY, Wang YT, Huang JY, Wei JC, Chiou JY. Risk of ankylosing spondylitis following human papillomavirus infection: A nationwide, population-based, cohort study. J Autoimmun 2020; 113:102482. [PMID: 32417193 DOI: 10.1016/j.jaut.2020.102482] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2020] [Revised: 04/29/2020] [Accepted: 05/05/2020] [Indexed: 12/17/2022]
Abstract
OBJECTIVE To assess the incidence rate and risk of ankylosing spondylitis (AS) in patients with previous human papillomavirus (HPV) infection compared with those without HPV infection. METHODS All patients with HPV infection (n = 66,314) in the NHIRD (2003-2013) were individually matched with up to four control subjects without HPV infection by age and sex (n = 265,256). All of the patients were tracked until an AS event was noted. Chi-square test was used to analyze the distribution of sociodemographic characteristics in the HPV cohort and non-HPV cohort. Cox proportional hazards regression was used to calculate the HRs for the development of AS, adjusting for age, sex, urbanization, length of hospital stay, medications, and comorbidities adjustment. The Kaplan-Meier method was used to plot the cumulative incidence curves. RESULTS The HPV cohort had a 1.329 (95% C.I. = 1.138-1.552) times higher risk of AS than that of the non-HPV cohort after adjusting for sex, age, urbanization, length of hospital stay, comorbidities, and medications. Additionally, we applied propensity score weighting to reconfirm the accuracy of our analysis, and the results showed a 1.348 (95% C.I. = 1.153-1.575) times greater risk of AS in the HPV cohort compared with the non-HPV cohort. The cumulative incidence curves plotted by the Kaplan-Meier method revealed that after 120 follow-up months, the HPV cohort displayed a higher cumulative incidence of AS than that of the non-HPV cohort. (Log-rank test p < 0.0001). CONCLUSIONS Patients with HPV infection had a higher risk of developing AS compared with non-HPV patients.
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Frati ER, Bianchi S, Amendola A, Colzani D, Petrelli F, Zehender G, Tanzi E. Genetic characterization of variants of HPV‑16, HPV‑18 and HPV‑52 circulating in Italy among general and high‑risk populations. Mol Med Rep 2019; 21:894-902. [PMID: 31789404 DOI: 10.3892/mmr.2019.10847] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2019] [Accepted: 08/30/2019] [Indexed: 11/06/2022] Open
Abstract
Viral factors, such as high‑risk human papillomavirus variants, can increase the risk of viral persistence and influence the progression to cancer. In the present study, the long control region (LCR) of human papillomavirus (HPV)‑16 and HPV‑52, and the L1 region of HPV‑16 and HPV‑18, identified from subjects belonging to both general and high‑risk populations (migrants, HIV+ subjects and adolescent/young people) residing in Italy, were characterized using molecular and phylogenetic techniques. To the best of our knowledge, this is the first Italian study to analyze a large number of sequences (n=458) and report phylogenetic data on the HPV‑52 variants. The phylogenetic analysis showed that 90% of the LCR variants of HPV‑16 and HPV‑52 clustered within lineage A (European lineage) and only sequences identified from subjects belonging to high‑risk populations fell into the non‑European lineages. Analysis of the LCRs revealed a high genomic diversity with a large number of changes. Several mutations in the binding sites for viral and cellular transcription factors characterized the HPV‑16 LCR variants belonging to the African lineages B and C, were observed in subjects with cytological abnormalities (high squamous intraepithelial lesions). The HPV‑16 and HPV‑18 L1 molecular characterization identified 30% of changes in the immune‑dominant epitope loops. These data give a clear picture of the situation in Italy, and a starting point for understanding the molecular pathogenesis and developing molecular diagnostics for HPV, vaccines and other therapeutic approaches in order to control and/or eliminate virus‑induced diseases.
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Affiliation(s)
- Elena Rosanna Frati
- Department of Biomedical Sciences for Health, University of Milan, I‑20133 Milan, Italy
| | - Silvia Bianchi
- Department of Biomedical Sciences for Health, University of Milan, I‑20133 Milan, Italy
| | - Antonella Amendola
- Department of Biomedical Sciences for Health, University of Milan, I‑20133 Milan, Italy
| | - Daniela Colzani
- Department of Biomedical Sciences for Health, University of Milan, I‑20133 Milan, Italy
| | - Fabio Petrelli
- School of Medicinal and Health Products Sciences, University of Camerino, I‑62032 Camerino, Italy
| | | | - Elisabetta Tanzi
- Department of Biomedical Sciences for Health, University of Milan, I‑20133 Milan, Italy
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Rowley J, Vander Hoorn S, Korenromp E, Low N, Unemo M, Abu-Raddad LJ, Chico RM, Smolak A, Newman L, Gottlieb S, Thwin SS, Broutet N, Taylor MM. Chlamydia, gonorrhoea, trichomoniasis and syphilis: global prevalence and incidence estimates, 2016. Bull World Health Organ 2019; 97:548-562P. [PMID: 31384073 PMCID: PMC6653813 DOI: 10.2471/blt.18.228486] [Citation(s) in RCA: 822] [Impact Index Per Article: 164.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2018] [Revised: 04/08/2019] [Accepted: 05/03/2019] [Indexed: 12/22/2022] Open
Abstract
OBJECTIVE To generate estimates of the global prevalence and incidence of urogenital infection with chlamydia, gonorrhoea, trichomoniasis and syphilis in women and men, aged 15-49 years, in 2016. METHODS For chlamydia, gonorrhoea and trichomoniasis, we systematically searched for studies conducted between 2009 and 2016 reporting prevalence. We also consulted regional experts. To generate estimates, we used Bayesian meta-analysis. For syphilis, we aggregated the national estimates generated by using Spectrum-STI. FINDINGS For chlamydia, gonorrhoea and/or trichomoniasis, 130 studies were eligible. For syphilis, the Spectrum-STI database contained 978 data points for the same period. The 2016 global prevalence estimates in women were: chlamydia 3.8% (95% uncertainty interval, UI: 3.3-4.5); gonorrhoea 0.9% (95% UI: 0.7-1.1); trichomoniasis 5.3% (95% UI:4.0-7.2); and syphilis 0.5% (95% UI: 0.4-0.6). In men prevalence estimates were: chlamydia 2.7% (95% UI: 1.9-3.7); gonorrhoea 0.7% (95% UI: 0.5-1.1); trichomoniasis 0.6% (95% UI: 0.4-0.9); and syphilis 0.5% (95% UI: 0.4-0.6). Total estimated incident cases were 376.4 million: 127.2 million (95% UI: 95.1-165.9 million) chlamydia cases; 86.9 million (95% UI: 58.6-123.4 million) gonorrhoea cases; 156.0 million (95% UI: 103.4-231.2 million) trichomoniasis cases; and 6.3 million (95% UI: 5.5-7.1 million) syphilis cases. CONCLUSION Global estimates of prevalence and incidence of these four curable sexually transmitted infections remain high. The study highlights the need to expand data collection efforts at country level and provides an initial baseline for monitoring progress of the World Health Organization global health sector strategy on sexually transmitted infections 2016-2021.
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Affiliation(s)
- Jane Rowley
- Department of Reproductive Health and Research, World Health Organization, Avenue Appia 20, 1211 Geneva 27, Switzerland
| | - Stephen Vander Hoorn
- School of Mathematics and Statistics, University of Melbourne, Melbourne, Australia
| | | | - Nicola Low
- Institute of Social and Preventive Medicine (ISPM), University of Bern, Bern, Switzerland
| | - Magnus Unemo
- WHO Collaborating Centre for Gonorrhoea and Other STIs, Örebro University, Örebro, Sweden
| | - Laith J Abu-Raddad
- Department of Healthcare Policy and Research, Weill Cornell Medical College - Qatar, Doha, Qatar
| | - R Matthew Chico
- Department of Disease Control, London School of Hygiene & Tropical Medicine, London, England
| | - Alex Smolak
- Department of Healthcare Policy and Research, Weill Cornell Medical College - Qatar, Doha, Qatar
| | - Lori Newman
- Enteric and Sexually Transmitted Infections Branch, National Institute of Allergy and Infectious Diseases, Washington DC, United States of America
| | - Sami Gottlieb
- Department of Reproductive Health and Research, World Health Organization, Avenue Appia 20, 1211 Geneva 27, Switzerland
| | - Soe Soe Thwin
- Department of Reproductive Health and Research, World Health Organization, Avenue Appia 20, 1211 Geneva 27, Switzerland
| | - Nathalie Broutet
- Department of Reproductive Health and Research, World Health Organization, Avenue Appia 20, 1211 Geneva 27, Switzerland
| | - Melanie M Taylor
- Department of Reproductive Health and Research, World Health Organization, Avenue Appia 20, 1211 Geneva 27, Switzerland
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Naldini G, Grisci C, Chiavarini M, Fabiani R. Association between human papillomavirus and chlamydia trachomatis infection risk in women: a systematic review and meta-analysis. Int J Public Health 2019; 64:943-55. [DOI: 10.1007/s00038-019-01261-w] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2019] [Accepted: 05/20/2019] [Indexed: 12/24/2022] Open
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Boda D, Docea AO, Calina D, Ilie MA, Caruntu C, Zurac S, Neagu M, Constantin C, Branisteanu DE, Voiculescu V, Mamoulakis C, Tzanakakis G, Spandidos DA, Drakoulis N, Tsatsakis AM. Human papilloma virus: Apprehending the link with carcinogenesis and unveiling new research avenues (Review). Int J Oncol 2018; 52:637-655. [PMID: 29393378 PMCID: PMC5807043 DOI: 10.3892/ijo.2018.4256] [Citation(s) in RCA: 73] [Impact Index Per Article: 12.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2017] [Accepted: 12/28/2017] [Indexed: 12/17/2022] Open
Abstract
Human papilloma viruses (HPV) are a small group of non‑enveloped viruses belonging to the Papillomaviridae family with strong similarities to polyoma viruses. The viral particles consist of a genome in the form of a circular double‑stranded DNA, encompassing eight open reading frames, as well as a non‑enveloped icosahedral capsid. HPV infection is considered the most common sexually transmitted disease in both sexes and is strongly implicated in the pathogenesis of different types of cancer. 'High‑risk' mucosal HPV types, predominantly types 16, 18, 31, 33 and 35, are associated with most cervical, penile, vulvar, vaginal, anal, oropharyngeal cancers and pre‑cancers. Screening for HPV is necessary for the prognosis and for determining treatment strategies for cancer. Novel HPV markers, including proteomic and genomic markers, as well as anti‑papillomavirus vaccines are currently available. The aim of this comprehensive review was to thoroughly present the updated information on virus development, cancer occurrence, treatment and prevention strategies, in an attempt to shed further light into the field, including novel research avenues.
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Affiliation(s)
- Daniel Boda
- Dermatology Research Laboratory, ‘Carol Davila’ University of Medicine and Pharmacy, 030167 Bucharest
- Department of Dermatology, ‘Prof. N. Paulescu’ National Institute of Diabetes, Nutrition and Metabolic Diseases, 011233 Bucharest
| | | | - Daniela Calina
- Department of Clinical Pharmacy, University of Medicine and Pharmacy of Craiova, 200349 Craiova
| | - Mihaela Adriana Ilie
- Dermatology Research Laboratory, ‘Carol Davila’ University of Medicine and Pharmacy, 030167 Bucharest
- Department of Biochemistry
| | - Constantin Caruntu
- Dermatology Research Laboratory, ‘Carol Davila’ University of Medicine and Pharmacy, 030167 Bucharest
- Department of Dermatology, ‘Prof. N. Paulescu’ National Institute of Diabetes, Nutrition and Metabolic Diseases, 011233 Bucharest
- Department of Physiology
| | - Sabina Zurac
- Department of Pathology, ‘Carol Davila’ University of Medicine and Pharmacy, 030167 Bucharest
- Colentina University Hospital, Sector 2 19-21, Bucharest
| | - Monica Neagu
- ‘Victor Babes’ National Institute of Pathology, 050096 Bucharest
| | | | | | - Vlad Voiculescu
- Department of Dermatology and Allergology, Elias Emergency University Hospital, 011461 Bucharest, Romania
| | - Charalampos Mamoulakis
- Department of Urology, University General Hospital of Heraklion, University of Crete Medical School
| | | | - Demetrios A. Spandidos
- Laboratory of Clinical Virology, Medical School, University of Crete, 71003 Heraklion, Crete
| | - Nikolaos Drakoulis
- Research Group of Clinical Pharmacology and Pharmacogenomics, Faculty of Pharmacy, School of Health Sciences, National and Kapodistrian University of Athens, 15771 Athens
| | - Aristides M. Tsatsakis
- Laboratory of Toxicology, Medical School, University of Crete, 71003 Heraklion, Crete, Greece
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Hernanz Lozón A, Sánchez Pascual M, Muñoz Arberas L, Carrera Puerta A, Cisterna Cáncer R, Andía Ortiz D. Relación entre la infección por el virus del papiloma humano y Chlamydia trachomatis. Clínica e Investigación en Ginecología y Obstetricia 2017; 44:167-173. [DOI: 10.1016/j.gine.2016.10.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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Fogue P, Djeudong G, Bouting G, Aglago E, Simo G, Lueong S. Molecular characterization of lower vaginal swabs for Human papilloma virus in association with Chlamydia trachomatis infection in Cameroonian Women. J Infect Public Health 2018; 11:314-20. [PMID: 28919017 DOI: 10.1016/j.jiph.2017.08.010] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2016] [Revised: 08/10/2017] [Accepted: 08/14/2017] [Indexed: 01/09/2023] Open
Abstract
Human papilloma virus (HPV) infection is an etiological factor for cervical cancer development and Chlamydia trachomatis (Ct) is considered as a cofactor. Understanding the dynamics of HPV and Ct infection could help to explain the incidence of early onset of cervical cancer (CC) observed in Cameroon. Lower vaginal swabs and sera from sexually active women were analyzed for HPV and Ct infection in association with risk factors. Questionnaires were used to document patients' lifestyle and risk factors. A total of 206 women participated in the study average 28.1±8years (16-50 years). HPV prevalence was 23.3% with subtypes 16 and 18 at respectively 2.9% and 1%. Ct infection totalised 40.8%, of which 23.8% were HPV- Ct co-infections. HPV infection was inversely associated with age (p=0.028). We found a positive association between Ct infection and the number of sex partners (p=0.012) and a negative association with parity (p=0.032). There was no significant association between HPV and Ct infections. High rates of HPV and Ct infections could be an indicator of cervical cancer risk in the near future. There is therefore an urgent need for sensitization as well as implementation of appropriate preventive measures.
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Javanmard D, Behravan M, Ghannadkafi M, Salehabadi A, Ziaee M, Namaei MH. Detection of Chlamydia trachomatis in Pap Smear Samples from South Khorasan Province of Iran. Int J Fertil Steril 2017; 12:31-36. [PMID: 29334204 PMCID: PMC5767929 DOI: 10.22074/ijfs.2018.5064] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/30/2016] [Accepted: 06/20/2017] [Indexed: 11/04/2022]
Abstract
Background Chlamydia trachomatis (CT), the most common bacterial sexually transmitted infection (STI), leads to pelvic inflammatory disease, infertility and chronic pelvic pain in women as well as an increased risk of vertical transmission, conjunctivitis and pneumonitis in infants. It may also be a co-factor along with human papillomavirus (HPV) in cervical cancer progression. We aimed to determine the prevalence of CT genotypes in genital specimens of women from South Khorasan, Iran and to test the association between CT and cytology statistics. MATERIALS AND METHODS This was a cross-sectional study on 248 Pap smear samples from women who visited a gynecologist for routine Pap smear testing in South Khorasan province. Nested polymerase chain reaction (PCR) was used to test the residual fluids of Pap smears for CT-DNA after cytological examination. Direct sequencing, alignment and phylogenic analyses were performed on eight samples to identify their genotypes. RESULTS The mean age of patients was 37.54 ± 5.21 years. Most samples had a normal cytology (214 cases, 86.29%). Overall, 31 samples were positive for CT infection (12.5%) of which 20 (9.34%) were normal and 11 (32.35%) were abnormal, with the frequency difference being significant (P=0.022). The co-infection of CT/HPV in total was identified in 14 cases (5.6%). The results of sequencing eight samples out of the 31 CT positive samples revealed the detection of genotypes D and E, each with four cases. CONCLUSION We show that a high prevalence of genital CT infection is present in women with both normal and abnormal cytology; however, the higher prevalence among women in the abnormal group may indicate its involvement in cervical neoplasia.
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Affiliation(s)
- Davod Javanmard
- Infectious Diseases Research Center, Birjand University of Medical Sciences, Birjand, Iran
| | - Mahmoodreza Behravan
- Infectious Diseases Research Center, Birjand University of Medical Sciences, Birjand, Iran
| | - Malaknaz Ghannadkafi
- Faulty of Nursing and Midwifery, Birjand University of Medical Sciences, Birjand, Iran
| | - Alireza Salehabadi
- Infectious Diseases Research Center, Birjand University of Medical Sciences, Birjand, Iran.
| | - Masood Ziaee
- Infectious Diseases Research Center, Birjand University of Medical Sciences, Birjand, Iran
| | - Mohammad Hasan Namaei
- Infectious Diseases Research Center, Birjand University of Medical Sciences, Birjand, Iran.
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BIANCHI S, FRATI E, CANUTI M, COLZANI D, FASOLI E, AMENDOLA A, TANZI E. Molecular epidemiology and genotyping of Chlamydia trachomatis infection in a cohort of young asymptomatic sexually active women (18-25 years) in Milan, Italy. J Prev Med Hyg 2016; 57:E128-E134. [PMID: 27980376 PMCID: PMC5139607] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
INTRODUCTION Chlamydia trachomatis (Ct) is the most common bacterial cause of sexually transmitted infections (STI) and is associated with severe long-term sequelae in female populations. In Italy Ct infections are not submitted to a screening programme, and its epidemiological profile is understudied. Even scarcer information is available about the genetic diversity on ompA gene, whose sequence defines 18 different genovars. This study aims at evaluating the prevalence of Ct infection in young sexually active asymptomatic women aged 18-25, and characterizing the molecular epidemiology of the different circulating genovars in this population. METHODS Cervical samples collected from 909 sexually-activeyoung women (mean age 21.5 years) were analyzed through molecular assay for the detection of Ct infection. Phylogenetic analysis on the ompA gene was performed on Ct positive samples to identify the circulating genovars. RESULTS The overall prevalence of Ct-infection was 4.4% (95%CI: 3.2-5.9%): 5.3% among women aged 18-21 years and 3.5% among those aged 22-25 years. Phylogenetic analysis has identified 5 different genovars: D, E, F, G, and H. The most common genovar was the E (46%), followed by genovar F and G (18.9% each), D (13.5%), and H (2.7%). CONCLUSIONS This study underlines the high prevalence of asymptomatic Ct-infections among young women. Overall, about half of the asymptomatic infections is sustained by genovar E. The introduction in Italy of a systematic screening program should be considered to allow a better understanding of Ct spreading and providing women with an opportunity for early treatment to protect their sexual and reproductive health.
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Affiliation(s)
- S. BIANCHI
- Department of Biomedical Sciences for Health, University of Milan, Italy;,Correspondence: Silvia Bianchi, Department of Biomedical Sciences for Health, University of Milan, via Carlo Pascal 36, 20133 Milan, Italy - Tel. +39 02 50315122 - Fax +39 02 50315120 -
| | - E.R. FRATI
- Department of Biomedical Sciences for Health, University of Milan, Italy
| | - M. CANUTI
- Department of Biology, Memorial University of Newfoundland, Canada
| | - D. COLZANI
- Department of Biomedical Sciences for Health, University of Milan, Italy
| | - E. FASOLI
- Department of Biomedical Sciences for Health, University of Milan, Italy
| | - A. AMENDOLA
- Department of Biomedical Sciences for Health, University of Milan, Italy;, CIRI-IT, Department of Health Sciences, University of Genoa, Italy;, Coordinated Research Center "EpiSoMI", University of Milan, Italy
| | - E. TANZI
- Department of Biomedical Sciences for Health, University of Milan, Italy;, CIRI-IT, Department of Health Sciences, University of Genoa, Italy;, Coordinated Research Center "EpiSoMI", University of Milan, Italy
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Bianchi S, Boveri S, Igidbashian S, Amendola A, Urbinati AM, Frati ER, Bottari F, Colzani D, Landoni F, Tanzi E, Sideri M, Sandri MT. Chlamydia trachomatis infection and HPV/Chlamydia trachomatis co-infection among HPV-vaccinated young women at the beginning of their sexual activity. Arch Gynecol Obstet 2016; 294:1227-33. [PMID: 27501926 DOI: 10.1007/s00404-016-4167-x] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2016] [Accepted: 07/27/2016] [Indexed: 10/21/2022]
Abstract
PURPOSE This study investigated the prevalence of Chlamydia trachomatis infection, co-infection with Human Papillomavirus (HPV) and associated risk factors in a cohort of sexually active young women enrolled in an ongoing trial on HPV vaccination at the European Institute of Oncology (IEO, Milan, Italy). METHODS Cervical samples were collected from 591 girls (median age 18.8 years) at the beginning of their sexual activity. At the time of sample collection, 354 women had not yet been vaccinated, and 237 women had been vaccinated for at least 12 months. All samples were analyzed through a molecular assay for the detection of C. trachomatis infection. Demographic, behavioral risk factors and high-risk HPV (HR-HPV) status were investigated. RESULTS The prevalence of C. trachomatis infection was 4.9 % and HPV/C. trachomatis co-infection rate was 1.5 %. The exact analysis has not underlined statistical significance for the variables considered, except for the infection with HR-HPV (p < 0.001). The prevalence of C. trachomatis infection among women who had not been immunized and those already vaccinated was similar (5.6 vs 3.8 %). However, the rate of HPV/C. trachomatis co-infection was twice as high in unvaccinated women (2 %) compared to vaccinated women (0.8 %). CONCLUSIONS Over 16 % of young women had at least one of the two STIs investigated. The risk of C. trachomatis infection was higher in HR-HPV infected compared to HR-HPV uninfected young women. The rate of co-infection was halved in HPV-vaccinated compared to unvaccinated women. This study underlines that HPV vaccination can confer benefits also in terms of co-infections prevention, leading to a decreased risk of developing cervical malignancies.
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Seraceni S, Campisciano G, Contini C, Comar M. HPV genotypes distribution in Chlamydia trachomatis co-infection in a large cohort of women from north-east Italy. J Med Microbiol 2016; 65:406-413. [PMID: 26944507 DOI: 10.1099/jmm.0.000245] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023] Open
Abstract
Human papillomavirus (HPV) and Chlamydia trachomatis are pathogens with oncogenic potential associated with persistent infections. Epidemiological data on C. trachomatis infection status, C. trachomatis/HPV co-infection and the relationship between HPV genotypes in Italian women are only preliminary. The aim of the present study was to characterize the relationship between HPV genotypes and C. trachomatis in an extending cohort of asymptomatic immunocompetent women from an area of north-east Italy. A retrospective study was conducted using Luminex technology on cervical swabs from asymptomatic immunocompetent women, comprising 921 attending the prevention centre for the Cervical Cancer Program and 6214 who had been referred to the Sexually Transmitted Infections Center, with clinical indications of HPV and C. trachomatis infections. A quantitative real-time PCR was performed to assess chronic C. trachomatis infection by heat-shock protein 60 (Hsp60) gene expression. The overall prevalence of the investigated pathogens was 39 % (359/921) for HPV and 4 % (251/6214) for C. trachomatis. The Hsp60 gene was detected in 57 % of the women infected with C. trachomatis. HPV co-infection was present in 58 % of C. trachomatis-infected women. A high prevalence of co-infection was found in women with chronic C. trachomatis infection (68 %, P = 0.0002), especially in women ≤ 25 years (72 %) where HPV multiple infections were found in 78 % (P = 0.022). HPV genotype distribution showed that uncommon low-risk genotypes were associated with C. trachomatis. These results indicate a high frequency of co-detection of multiple HPV genotypes in chronically infected young women and suggest that the expression of the C. trachomatis Hsp60 gene may favour HPV infection.
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Affiliation(s)
- Silva Seraceni
- Institute for Maternal and Child Health-IRCCS 'Burlo Garofolo'-Via dell'Istria 65/1,34137 Trieste,Italy
| | | | - Carlo Contini
- University of Ferrara, Department of Medical Sciences, Section of Infectious Diseases and Dermatology, via Fossato di Mortara n. 64/b,44121 Ferrara,Italy
| | - Manola Comar
- Institute for Maternal and Child Health-IRCCS 'Burlo Garofolo'-Via dell'Istria 65/1,34137 Trieste,Italy
- University of Trieste, via Piazzale Europa,1 34127 Trieste, Trieste,Italy
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Villegas-Castaño A, Tamayo-Acevedo LS. Prevalencia de infecciones de transmisión sexual y factores de riesgo para la salud sexual de adolescentes escolarizados, Medellín, Colombia, 2013. iatreia 2015. [DOI: 10.17533/udea.iatreia.v29n1a01] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
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