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Bruno MT, Panella MM, Valenti G, Di Grazia S, Sgalambro F, Farina J, Previti M, Mereu L. Vaginal Intraepithelial Neoplasia (VaIN) after Hysterectomy Is Strongly Associated with Persistent HR-HPV Infection. Cancers (Basel) 2024; 16:2524. [PMID: 39061164 PMCID: PMC11274675 DOI: 10.3390/cancers16142524] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2024] [Revised: 07/05/2024] [Accepted: 07/07/2024] [Indexed: 07/28/2024] Open
Abstract
The data from the literature show that women undergoing a LEEP due to CIN3 have a greater risk of having subsequent high-grade anogenital intraepithelial neoplasia or cancer, and the risk is greater for vaginal cancer than for anal and vulvar cancers. It is hypothesized that the laparoscopic hysterectomy procedure may cause a higher incidence of VaIN in hysterectomized women. There are few studies addressing this issue, and they show mixed results. This study aimed to investigate the incidence of high-grade or severe VaIN in the population of women undergoing hysterectomy for CIN3 or benign uterine disease and illustrate the treatment options and follow-up. METHODS This retrospective study was conducted on 170 women who underwent a laparoscopic hysterectomy due to high-grade cervical intraepithelial neoplasia (CIN3) or benign gynecological disease. The follow-up strategy included performing a cotest and colposcopy with biopsy if necessary. The median time between primary treatment and a diagnosis of high-grade VaIN was 18 months. RESULTS High-grade or severe VaIN was found in eight patients after hysterectomy (4.7%). All cases of high-grade VaIN occurred in women with persistent HPV infection. The most frequent genotype was 16. Women hysterectomized due to CIN3 showed an eight-fold greater risk than women hysterectomized due to benign disease of developing high-grade VaIN. The risk of VaIN is low in women hysterectomized due to benign disease. The risk of developing VaIN is greater in women with viral persistence. CONCLUSION All these elements suggest that it is a history of HPV-related disease of the lower genital tract and viral persistence, rather than hysterectomy itself, that should be considered risk factors for the development of high-grade VaIN. After hysterectomy, patients with a history of CIN should undergo annual screening with vaginal dome cytology and HPV testing.
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Affiliation(s)
- Maria Teresa Bruno
- Department of General Surgery and Medical-Surgical Specialty, Gynecology and Obstetrics Unit, Rodolico University Hospital, University of Catania, 95123 Catania, Italy; (M.M.P.); (S.D.G.); (F.S.); (M.P.); (L.M.)
- Multidisciplinary Research Center in Papillomavirus Pathology, Chirmed, University of Catania, 95123 Catania, Italy;
| | - Marco Marzio Panella
- Department of General Surgery and Medical-Surgical Specialty, Gynecology and Obstetrics Unit, Rodolico University Hospital, University of Catania, 95123 Catania, Italy; (M.M.P.); (S.D.G.); (F.S.); (M.P.); (L.M.)
- Multidisciplinary Research Center in Papillomavirus Pathology, Chirmed, University of Catania, 95123 Catania, Italy;
| | - Gaetano Valenti
- Multidisciplinary Research Center in Papillomavirus Pathology, Chirmed, University of Catania, 95123 Catania, Italy;
- Gynaecologic Oncology Unit, Humanitas Hospital, 95126 Catania, Italy
| | - Salvatore Di Grazia
- Department of General Surgery and Medical-Surgical Specialty, Gynecology and Obstetrics Unit, Rodolico University Hospital, University of Catania, 95123 Catania, Italy; (M.M.P.); (S.D.G.); (F.S.); (M.P.); (L.M.)
| | - Francesco Sgalambro
- Department of General Surgery and Medical-Surgical Specialty, Gynecology and Obstetrics Unit, Rodolico University Hospital, University of Catania, 95123 Catania, Italy; (M.M.P.); (S.D.G.); (F.S.); (M.P.); (L.M.)
| | - Jessica Farina
- Anatomic Pathology Unit, Department of Medical Surgical Sciences and Advanced Technologies “G.F. Ingrassia”, University of Catania, Via Santa Sofia 78, 95123 Catania, Italy;
| | - Miriam Previti
- Department of General Surgery and Medical-Surgical Specialty, Gynecology and Obstetrics Unit, Rodolico University Hospital, University of Catania, 95123 Catania, Italy; (M.M.P.); (S.D.G.); (F.S.); (M.P.); (L.M.)
| | - Liliana Mereu
- Department of General Surgery and Medical-Surgical Specialty, Gynecology and Obstetrics Unit, Rodolico University Hospital, University of Catania, 95123 Catania, Italy; (M.M.P.); (S.D.G.); (F.S.); (M.P.); (L.M.)
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Værnesbranden MR, Staff AC, Wiik J, Sjøborg K, Rueegg CS, Sugulle M, Lødrup Carlsen KC, Granum B, Haugen G, Hedlin G, Johannessen CG, Nordlund B, Nystrand CF, Rangberg A, Rehbinder EM, Rudi K, Sandberg Y, Skjerven HO, Söderhäll C, Vettukattil R, Jonassen CM. Placental human papillomavirus infections and adverse pregnancy outcomes. Placenta 2024; 152:23-30. [PMID: 38768555 DOI: 10.1016/j.placenta.2024.05.126] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/11/2024] [Revised: 04/29/2024] [Accepted: 05/07/2024] [Indexed: 05/22/2024]
Abstract
INTRODUCTION Knowledge on prevalence and association of human papillomavirus (HPV) in third trimester placentae and adverse pregnancy outcomes is limited. We investigated the prevalence of placental HPV at delivery, explored urine HPV characteristics associated with placental HPV and whether placental HPV increased the risk adverse pregnancy outcomes. METHODS Pregnant women were enrolled in the Scandinavian PreventADALL mother-child cohort study at midgestation. Human papillomavirus genotyping was performed on placental biopsies collected at delivery (n = 587) and first-void urine at midgestation and delivery (n = 556). Maternal characteristics were collected by questionnaires at gestational week 18 and 34. Adverse pregnancy outcomes were registered from chart data including hypertensive disorders of pregnancy, gestational diabetes mellitus and newborns small for gestational age. Uni- and multivariable regression models were used to investigate associations. RESULTS Placental HPV was detected in 18/587 (3 %). Twenty-eight genotypes were identified among the 214/556 (38 %) with midgestational urine HPV. Seventeen of the 18 women with placental HPV were midgestational HPV positive with 89 % genotype concordance. Midgestational high-risk-(HR)-HPV and high viral loads of Any- or HR-HPV were associated with placental HPV. Persisting HPV infection from midgestation to delivery was not associated with placental HPV. Adverse pregnancy outcomes were seen in 2/556 (0.4 %) of women with placental HPV. DISCUSSION In this general cohort of pregnant women, the prevalence of placental HPV was 3 %, and midgestational urinary HPV 38 %. High HPV viral load increased the risk for placental HPV infections. We observed no increased risk for adverse pregnancy outcomes in women with placental HPV.
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Affiliation(s)
- Magdalena R Værnesbranden
- Department of Obstetrics and Gynecology, Østfold Hospital Trust, Kalnes, Norway; University of Oslo, Faculty of Medicine, Institute of Clinical Medicine, Oslo, Norway.
| | - Anne Cathrine Staff
- University of Oslo, Faculty of Medicine, Institute of Clinical Medicine, Oslo, Norway; Division of Obstetrics and Gynaecology, Oslo University Hospital, Oslo, Norway
| | - Johanna Wiik
- Department of Obstetrics and Gynecology, Østfold Hospital Trust, Kalnes, Norway; Department of Obstetrics and Gynecology, Institute of Clinical Sciences, Sahlgrenska Academy, Gothenburg University, Gothenburg, Sweden
| | - Katrine Sjøborg
- Department of Obstetrics and Gynecology, Østfold Hospital Trust, Kalnes, Norway
| | - Corina S Rueegg
- Oslo Centre for Biostatistics and Epidemiology, Oslo University Hospital, Oslo, Norway
| | - Meryam Sugulle
- University of Oslo, Faculty of Medicine, Institute of Clinical Medicine, Oslo, Norway; Division of Obstetrics and Gynaecology, Oslo University Hospital, Oslo, Norway
| | - Karin C Lødrup Carlsen
- University of Oslo, Faculty of Medicine, Institute of Clinical Medicine, Oslo, Norway; Division of Pediatric and Adolescent Medicine, Oslo University Hospital, Oslo, Norway
| | - Berit Granum
- Department of Chemical Toxicology, Norwegian Institute of Public Health, Oslo, Norway
| | - Guttorm Haugen
- University of Oslo, Faculty of Medicine, Institute of Clinical Medicine, Oslo, Norway; Division of Obstetrics and Gynaecology, Oslo University Hospital, Oslo, Norway
| | - Gunilla Hedlin
- Astrid Lindgren Children's Hospital, Karolinska University Hospital, Stockholm, Sweden; Department of Women's and Children's Health, Karolinska Institutet, Stockholm, Sweden
| | - Camilla G Johannessen
- Genetic Unit, Centre for Laboratory Medicine, Østfold Hospital Trust, Kalnes, Norway
| | - Björn Nordlund
- Astrid Lindgren Children's Hospital, Karolinska University Hospital, Stockholm, Sweden; Department of Women's and Children's Health, Karolinska Institutet, Stockholm, Sweden
| | - Camilla F Nystrand
- Genetic Unit, Centre for Laboratory Medicine, Østfold Hospital Trust, Kalnes, Norway
| | - Anbjørg Rangberg
- Genetic Unit, Centre for Laboratory Medicine, Østfold Hospital Trust, Kalnes, Norway
| | - Eva M Rehbinder
- University of Oslo, Faculty of Medicine, Institute of Clinical Medicine, Oslo, Norway; Department of Dermatology and Venereology, Oslo University Hospital, Oslo, Norway
| | - Knut Rudi
- Faculty of Chemistry, Biotechnology and Food Science, Norwegian University of Life Sciences, Ås, Norway
| | - Yvonne Sandberg
- Genetic Unit, Centre for Laboratory Medicine, Østfold Hospital Trust, Kalnes, Norway
| | - Håvard O Skjerven
- University of Oslo, Faculty of Medicine, Institute of Clinical Medicine, Oslo, Norway; Division of Pediatric and Adolescent Medicine, Oslo University Hospital, Oslo, Norway
| | - Cilla Söderhäll
- Astrid Lindgren Children's Hospital, Karolinska University Hospital, Stockholm, Sweden; Department of Women's and Children's Health, Karolinska Institutet, Stockholm, Sweden
| | - Riyas Vettukattil
- University of Oslo, Faculty of Medicine, Institute of Clinical Medicine, Oslo, Norway; Division of Pediatric and Adolescent Medicine, Oslo University Hospital, Oslo, Norway
| | - Christine M Jonassen
- Genetic Unit, Centre for Laboratory Medicine, Østfold Hospital Trust, Kalnes, Norway; Department of Virology, Norwegian Institute of Public Health, Oslo, Norway
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Bruno MT, Panella MM, Valenti G, Ruggeri Z, Sgalambro F, Reina S, Mereu L. Cervical Intraepithelial Neoplasia Grade 3 (CIN3) in Women Younger than 30 Years Was Significantly Associated with HPV16/18 Genotypes. Cancers (Basel) 2024; 16:2043. [PMID: 38893161 PMCID: PMC11171186 DOI: 10.3390/cancers16112043] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2024] [Revised: 05/27/2024] [Accepted: 05/27/2024] [Indexed: 06/21/2024] Open
Abstract
BACKGROUND The objective of the present study is to investigate the age-specific distribution of HPV genotypes in CIN3 lesions in screened unvaccinated women. These data are essential to optimize current and future screening programs. METHODS A multicenter retrospective study was conducted. A total of 408 unvaccinated women with positive histology and a high-risk HPV genotype were enrolled. Each woman at baseline had HPV DNA testing and HPV genotyping, and all women underwent targeted biopsy and/or treatment with a loop electrosurgical excision procedure (LEEP) before entering the study. We divided the genotypes into HPV16/18 and HPV non-16/18 (HPV31/33/45/35/39/51/52/58/59/66/68). Women were divided into increasing age categories: <30, 30-44, and ≥45. RESULTS The percentage of CIN3 associated with HPV16/18 is maximum in women under 30 years of age (85.1%), drops to 75.6% in women aged between 30 and 44 years, and up to 47.2% in women over 45 years. CIN3 in women younger than 30 years was significantly associated with HPV16/18 genotypes (p = 0). DISCUSSION The data from the present study suggest that the risk of CIN3 is related to the woman's age and hr HPV genotype. The data highlight two different types of CIN3: a more frequent type, related to HPV16/18, which develops rapidly and in young women, and another, relating to non-16/18 HPV, which develops later at an advanced age and slowly, through low-grade lesions.
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Affiliation(s)
- Maria Teresa Bruno
- Gynecology and Obstetrics Unit, Department of General Surgery and Medical-Surgical Specialty, Rodolico University Hospital, University of Catania, 95124 Catania, Italy; (M.M.P.); (F.S.); (S.R.); (L.M.)
- Multidisciplinary Research Center in Papillomavirus Pathology, Chirmed, University of Catania, 95123 Catania, Italy;
| | - Marco Marzio Panella
- Gynecology and Obstetrics Unit, Department of General Surgery and Medical-Surgical Specialty, Rodolico University Hospital, University of Catania, 95124 Catania, Italy; (M.M.P.); (F.S.); (S.R.); (L.M.)
- Multidisciplinary Research Center in Papillomavirus Pathology, Chirmed, University of Catania, 95123 Catania, Italy;
| | - Gaetano Valenti
- Multidisciplinary Research Center in Papillomavirus Pathology, Chirmed, University of Catania, 95123 Catania, Italy;
- Humanitas, Gynaecologic Oncology Unit, 95045 Catania, Italy
| | - Zaira Ruggeri
- Cervical Cancer Screening Unit, Level II, ASP Messina, 98123 Messina, Italy;
| | - Francesco Sgalambro
- Gynecology and Obstetrics Unit, Department of General Surgery and Medical-Surgical Specialty, Rodolico University Hospital, University of Catania, 95124 Catania, Italy; (M.M.P.); (F.S.); (S.R.); (L.M.)
| | - Salvatore Reina
- Gynecology and Obstetrics Unit, Department of General Surgery and Medical-Surgical Specialty, Rodolico University Hospital, University of Catania, 95124 Catania, Italy; (M.M.P.); (F.S.); (S.R.); (L.M.)
| | - Liliana Mereu
- Gynecology and Obstetrics Unit, Department of General Surgery and Medical-Surgical Specialty, Rodolico University Hospital, University of Catania, 95124 Catania, Italy; (M.M.P.); (F.S.); (S.R.); (L.M.)
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Bruno MT, Valenti G, Cavallaro AG, Palermo I, Aiello T, Farina J, Panella MM, Mereu L. Extended Genotyping to Stratify the Risk of CIN2+ in Women with Persistent HPV Infection, Negative Cytology and Type 3 Transformation Zone. Cancers (Basel) 2024; 16:1816. [PMID: 38791895 PMCID: PMC11119326 DOI: 10.3390/cancers16101816] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2024] [Revised: 05/05/2024] [Accepted: 05/08/2024] [Indexed: 05/26/2024] Open
Abstract
Persistent human papillomavirus (HPV) infection is recognized as a major risk factor for cervical cancer. Women with persistent HPV and negative cytology are at greater risk of CIN2+ than women with negative infection. The diagnosis becomes more complicated when the woman has a type 3 transformation zone at colposcopy. The aim of this study was to determine the prevalence of CIN2+ in women with persistent HPV, negative cytology and TZ3; how to stratify the risk of CIN2+; and what the best diagnostic strategy is, given TZ3. METHODS In a multicenter retrospective cohort study, we enrolled women with negative cytology and TZ3 among the 213 women referred for colposcopy for persistent HPV. The average age of the women was 53 years; in particular, 83% were postmenopausal women. In the presence of a TZ3, the entire transformation zone cannot be explored, making colposcopy and targeted biopsy useless and inadequate, with great risks of underdiagnosis or missed diagnosis. Women with TZ3 underwent diagnostic LEEP to ensure correct diagnoses. RESULTS The study highlighted 19% (16/84) of CIN2+ lesions, a higher frequency of non-HPV 16/18 genotypes (76.2%), and 50% of CIN2+ lesions being due to non-HPV 16/18 genotypes. Furthermore, more than half of the women (80.9%) had normal histopathological results in the LEEP sample. CONCLUSION Women with viral persistence, negative cytology, and TZ3 have a 19% risk of CIN2+; genotyping helps stratify risk, but extensive genotyping is necessary instead of partial genotyping (16/18), referring to a population of women over 50 years old in which the prevalence of genotypes 16,18 decreases and the prevalence of other genotypes increases; diagnostic LEEP is excessive (only 16 cases of CIN2+ out of 48 cases treated), even though 83% of women had viral clearance after LEEP; p16/Ki67 double staining could be a potential risk marker, which would only highlight women at risk of CIN2+ to undergo LEEP. To individualize the diagnostic workup and treatment and minimize the risk of under diagnosis and overtreatment, future studies should explore the use of extended genotyping and new biomarkers for individual risk stratification.
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Affiliation(s)
- Maria Teresa Bruno
- Gynecology and Obstetrics Unit, Department of General Surgery and Medical-Surgical Specialty, Rodolico University Hospital, University of Catania, 95123 Catania, Italy; (A.G.C.); (M.M.P.); (L.M.)
- Multidisciplinary Research Center in Papillomavirus Pathology, Chirmed, University of Catania, 95123 Catania, Italy
| | - Gaetano Valenti
- Humanitas, Gynaecologic Oncology Unit, 95100 Catania, Italy;
| | - Antonino Giovanni Cavallaro
- Gynecology and Obstetrics Unit, Department of General Surgery and Medical-Surgical Specialty, Rodolico University Hospital, University of Catania, 95123 Catania, Italy; (A.G.C.); (M.M.P.); (L.M.)
| | - Ilenia Palermo
- Virology Unit, Rodolico Polyclinic, 95123 Catania, Italy;
| | - Tiziana Aiello
- Gynecology and Obstetrics Unit, Department of General Surgery and Medical-Surgical Specialty, Rodolico University Hospital, University of Catania, 95123 Catania, Italy; (A.G.C.); (M.M.P.); (L.M.)
| | - Jessica Farina
- Section of Anatomic Pathology, Department of Medical Surgical Sciences and Advanced Technologies “G.F. Ingrassia”, University of Catania, Via Santa Sofia 78, 95123 Catania, Italy
| | - Marco Marzio Panella
- Gynecology and Obstetrics Unit, Department of General Surgery and Medical-Surgical Specialty, Rodolico University Hospital, University of Catania, 95123 Catania, Italy; (A.G.C.); (M.M.P.); (L.M.)
- Multidisciplinary Research Center in Papillomavirus Pathology, Chirmed, University of Catania, 95123 Catania, Italy
| | - Liliana Mereu
- Gynecology and Obstetrics Unit, Department of General Surgery and Medical-Surgical Specialty, Rodolico University Hospital, University of Catania, 95123 Catania, Italy; (A.G.C.); (M.M.P.); (L.M.)
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Bruno MT, Caruso G, Torrisi E, Grimaldi R, Abate B, Luciani FS, Basile S, Panella MM. The Impact of Diagnosis of Human Papillomavirus (HPV) Infection and Electrosurgical Excision Procedure (LEEP) for Cervical Intraepithelial Neoplasia 3 (CIN3) on Women's Sexual Lives. Diagnostics (Basel) 2024; 14:911. [PMID: 38732325 PMCID: PMC11083130 DOI: 10.3390/diagnostics14090911] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2024] [Revised: 04/24/2024] [Accepted: 04/25/2024] [Indexed: 05/13/2024] Open
Abstract
The aim of the study was to assess sexual health in women who underwent Loop Electrosurgical Excisional Procedure (LEEP) for the treatment of cervical intraepithelial neoplasia 3 (CIN 3). One hundred thirty-one women were enrolled, and the Female Sexual Function Index (FSFI) questionnaire was administered before LEEP and 6 months after the procedure. In almost all of the participants, data revealed a statistically significant worsening in sexual quality of life after LEEP. Therefore, clinicians should be aware of these possible negative effects on sexual behavior, and provide women with appropriate, wide-ranging, and detailed counseling. The data obtained in the present study should help to plan appropriate counseling from communicating HPV diagnosis and medical treatment to CIN3 surgical procedure.
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Affiliation(s)
- Maria Teresa Bruno
- Department of General Surgery and Medical-Surgical Specialties, Gynecological Clinic, University of Catania, 95123 Catania, Italy (E.T.); (R.G.)
- Multidisciplinary Research Center in Papillomavirus Pathology, University of Catania, 95123 Catania, Italy
| | - Giuseppe Caruso
- Department of General Surgery and Medical-Surgical Specialties, Gynecological Clinic, University of Catania, 95123 Catania, Italy (E.T.); (R.G.)
| | - Elena Torrisi
- Department of General Surgery and Medical-Surgical Specialties, Gynecological Clinic, University of Catania, 95123 Catania, Italy (E.T.); (R.G.)
| | - Raffaela Grimaldi
- Department of General Surgery and Medical-Surgical Specialties, Gynecological Clinic, University of Catania, 95123 Catania, Italy (E.T.); (R.G.)
| | - Biagio Abate
- Department of General Surgery and Medical-Surgical Specialties, Gynecological Clinic, University of Catania, 95123 Catania, Italy (E.T.); (R.G.)
| | - Francesco Saverio Luciani
- Methods and Models Department for the Economy, Territory and Finance, La Sapienza University of Rome, 00185 Rome, Italy;
| | - Susanna Basile
- Psychologist and Clinical Sexologist, 95123 Catania, Italy;
| | - Marco Marzio Panella
- Department of General Surgery and Medical-Surgical Specialties, Gynecological Clinic, University of Catania, 95123 Catania, Italy (E.T.); (R.G.)
- Multidisciplinary Research Center in Papillomavirus Pathology, University of Catania, 95123 Catania, Italy
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Bruno MT, Valenti G, Ruggeri Z, Incognito GG, Coretti P, Montana GD, Panella MM, Mereu L. Correlation of the HPV 16 Genotype Persistence in Women Undergoing LEEP for CIN3 with the Risk of CIN2+ Relapses in the First 18 Months of Follow-Up: A Multicenter Retrospective Study. Diagnostics (Basel) 2024; 14:509. [PMID: 38472983 DOI: 10.3390/diagnostics14050509] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2024] [Revised: 02/23/2024] [Accepted: 02/26/2024] [Indexed: 03/14/2024] Open
Abstract
OBJECTIVE Specific hr-HPV genotypes have different natural histories and different oncogenic capacity. This study aimed to investigate the risk of CIN2+ recurrence of the individual genotypes and evaluate how the duration of HPV persistence influences the risk of developing recurrent 16 cervical dysplasia of high grade (CIN2+). METHODS Data from patients with persistent HPV infection after primary conization were retrospectively extracted. Kaplan-Meier proportional hazards models were used to evaluate associations between the duration of HPV persistence and the risk of developing recurrent CIN2+. Kruskal-Wallis testing with Dunn's multiple comparison test was used to test whether there was a statistically significant difference in the time to development of tumor recurrences between different genotypes. RESULTS Overall, 333 patients met the inclusion criteria. In 285 cases the HPV infection was persistent, in 48 cases (18%) it was transient, i.e., different genotypes after LEEP. Overall were diagnosed 39 relapses (13.7%), 79.5% (31/39 cases) were due to genotype 16, 20.5% (8/39) were linked to the other genotypes. Persistence of genotype 16 showed a 7-fold increased risk of developing a CIN2+ relapse, OR = 7.08 (95%CI: 3.12-16.08). Furthermore, the majority of relapses (38/39) occurred within 24 months of persistence with a cut-off represented by 18 months (p = 0.001) in which the relapse rate is maximum and the most frequently found genotype was the 16th with 31 (79.5%) cases of recurrence. Kruskal-Wallis test with Dunn's multiple comparisons has shown statistically significant difference in the time of development of CIN2 relapses among HPV16 and other genotypes. (p < 0.05). Kaplan-meier analysis has shown statistically significant difference between the time to CIN2+ relapse onset in patients with HPV 16 infection and patients with other hrHPV genotypes. (p < 0.05) Conclusions: the study results suggest that persistent HPV infection after LEEP with the same HR genotype present before surgery represents one of the most important predictive factors of the risk of CIN2+ recurrence. The persistence of HPV16 for the first 18 months strongly correlates with the risk of developing a CIN2+ recurrence.
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Affiliation(s)
- Maria Teresa Bruno
- Gynecology and Obstetrics Unit, Department of General Surgery and Medical-Surgical Specialty, Rodolico University Hospital, University of Catania, 95123 Catania, Italy
- Multidisciplinary Research Center in Papillomavirus Pathology, Chirmed, University of Catania, 95123 Catania, Italy
| | - Gaetano Valenti
- Multidisciplinary Research Center in Papillomavirus Pathology, Chirmed, University of Catania, 95123 Catania, Italy
- Humanitas, Gynaecologic Oncology Unit, 95125 Catania, Italy
| | - Zaira Ruggeri
- Cervical Cancer Screening Unit, Level II, ASP Messina, 98123 Messina, Italy
| | - Giosuè Giordano Incognito
- Gynecology and Obstetrics Unit, Department of General Surgery and Medical-Surgical Specialty, Rodolico University Hospital, University of Catania, 95123 Catania, Italy
| | - Paola Coretti
- Gynecology and Obstetrics Unit, Department of General Surgery and Medical-Surgical Specialty, Rodolico University Hospital, University of Catania, 95123 Catania, Italy
| | - Giuseppe Dario Montana
- Gynecology and Obstetrics Unit, Department of General Surgery and Medical-Surgical Specialty, Rodolico University Hospital, University of Catania, 95123 Catania, Italy
| | - Marco Marzio Panella
- Gynecology and Obstetrics Unit, Department of General Surgery and Medical-Surgical Specialty, Rodolico University Hospital, University of Catania, 95123 Catania, Italy
- Multidisciplinary Research Center in Papillomavirus Pathology, Chirmed, University of Catania, 95123 Catania, Italy
| | - Liliana Mereu
- Gynecology and Obstetrics Unit, Department of General Surgery and Medical-Surgical Specialty, Rodolico University Hospital, University of Catania, 95123 Catania, Italy
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Bruno MT, Valenti G, Cassaro N, Palermo I, Incognito GG, Cavallaro AG, Sgalambro F, Panella MM, Mereu L. The Coexistence of Cervical Intraepithelial Neoplasia (CIN3) and Adenocarcinoma In Situ (AIS) in LEEP Excisions Performed for CIN3. Cancers (Basel) 2024; 16:847. [PMID: 38473209 DOI: 10.3390/cancers16050847] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2023] [Revised: 02/13/2024] [Accepted: 02/19/2024] [Indexed: 03/14/2024] Open
Abstract
The purpose of this study was to evaluate the incidence of AIS and AC in the histological cone of women treated for CIN3. Furthermore, through the study of the specific HR HPV genotypes, we obtained more information on the possible different nature between the single CIN3 lesion and the CIN3 coexisting with the glandular lesion. METHODS A sample of 414 women underwent LEEP for CIN3. The study sample consisted of 370 women with a CIN3 lesion alone and 44 women with a CIN3 lesion coexisting with AIS or adenocarcinoma. We studied the individual HR HPV genotypes and their frequency in the two groups under study. Furthermore, the therapeutic results and follow-ups for the population were studied on the entire study sample. RESULTS In patients with a single CIN3 lesion, 11 high-risk genotypes were detected; in patients with CIN3 associated with AIS or AC, only 4 different genotypes were detected (16, 18, 45, 33). Overall, the frequency of HPV 18 was significantly higher in CIN3 coexisting with AIS compared to solitary CIN3 lesions, χ2 = 27.73 (p < 0.001), while the frequency of other high-risk genotypes was significantly higher in patients with a single CIN3 than in patients with CIN3 coexisting with AIS. In our study population, mixed lesions (CIN3 coexisting with AIS), unlike their squamous counterparts (single CIN3 lesions), were characterized by skip lesions, which demonstrate more aggressive behavior and a higher rate of viral persistence and recurrence. CONCLUSION A relatively high rate (10.7%) of AIS-AC was found in women treated for CIN3. Our study confirms the multifocal biological nature of the CIN3 lesion coexisting with AIS compared to the single CIN3 lesion. All this justifies the different treatments to which CIN3 lesions coexisting with AIS are addressed; in fact, the latter are treated with hysterectomy, while CIN3 is treated with conization alone.
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Affiliation(s)
- Maria Teresa Bruno
- Gynecology and Obstetrics Unit, Department of General Surgery and Medical-Surgical Specialty, Rodolico University Hospital, University of Catania, 95123 Catania, Italy
- Multidisciplinary Research Center in Papillomavirus Pathology, Chirmed, University of Catania, 95100 Catania, Italy
| | - Gaetano Valenti
- Multidisciplinary Research Center in Papillomavirus Pathology, Chirmed, University of Catania, 95100 Catania, Italy
- Humanitas Medical Care, Gynaecologic Oncology Unit, 95125 Catania, Italy
| | - Nazario Cassaro
- Multidisciplinary Research Center in Papillomavirus Pathology, Chirmed, University of Catania, 95100 Catania, Italy
- Humanitas Medical Care, Gynaecologic Oncology Unit, 95125 Catania, Italy
| | - Ilenia Palermo
- Virology Unit, Rodolico Polyclinic, 95123 Catania, Italy
| | - Giosuè Giordano Incognito
- Gynecology and Obstetrics Unit, Department of General Surgery and Medical-Surgical Specialty, Rodolico University Hospital, University of Catania, 95123 Catania, Italy
| | - Antonino Giovanni Cavallaro
- Gynecology and Obstetrics Unit, Department of General Surgery and Medical-Surgical Specialty, Rodolico University Hospital, University of Catania, 95123 Catania, Italy
| | - Francesco Sgalambro
- Gynecology and Obstetrics Unit, Department of General Surgery and Medical-Surgical Specialty, Rodolico University Hospital, University of Catania, 95123 Catania, Italy
| | - Marco Marzio Panella
- Gynecology and Obstetrics Unit, Department of General Surgery and Medical-Surgical Specialty, Rodolico University Hospital, University of Catania, 95123 Catania, Italy
- Multidisciplinary Research Center in Papillomavirus Pathology, Chirmed, University of Catania, 95100 Catania, Italy
| | - Liliana Mereu
- Gynecology and Obstetrics Unit, Department of General Surgery and Medical-Surgical Specialty, Rodolico University Hospital, University of Catania, 95123 Catania, Italy
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8
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Bruno MT, Bonanno G, Sgalambro F, Cavallaro A, Boemi S. Overexpression of E6/E7 mRNA HPV Is a Prognostic Biomarker for Residual Disease Progression in Women Undergoing LEEP for Cervical Intraepithelial Neoplasia 3. Cancers (Basel) 2023; 15:4203. [PMID: 37686479 PMCID: PMC10487243 DOI: 10.3390/cancers15174203] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2023] [Revised: 08/11/2023] [Accepted: 08/18/2023] [Indexed: 09/10/2023] Open
Abstract
The risk of overtreatment or not treating an occult carcinoma exists in women at risk of residual disease after a LEEP excision for CIN3. Our goal was to discover an efficient method to select patients requiring a second LEEP from those requiring a FU only through an mRNA-detection test. In a population of 686 women undergoing a LEEP excision for CIN 3, we selected 285 women at risk of residual disease and subjected them to a search for E6/E7 mRNA HPV. The women with negative mRNA were subjected to a follow up, while the women with positive mRNA were subjected to a second LEEP. The histological examination of the second cone revealed 120 (85.7%) cases of residual disease in the mRNA-positive women: 40 cases of CIN2, 51 cases of CIN3, 11 cases of squamous microinvasive carcinoma, 7 cases of squamous carcinoma, 9 cases of AIS (adenocarcinoma in situ) and 2 cases of adenocarcinoma. Among the mRNA-negative women undergoing a follow up, there were only five cases of residual disease. During the follow-up period of about 6 years, we witnessed the regression of the residual disease and the elimination of the virus, just as predicted by the negative result of the mRNA test. Testing patients for E6/E7 mRNA allowed us to identify women with residual disease (CIN2+) and treat them appropriately.
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Affiliation(s)
- Maria Teresa Bruno
- Department of General Surgical and Medical-Surgery Specialities, University of Catania, 95124 Catania, Italy
- Multidisciplinary Research Center in Papillomavirus Pathology, University of Catania, 95124 Catania, Italy;
| | - Giulia Bonanno
- Department of Obstetrics and Gynaecology, Azienda di Rilievo Nazionale e di Alta Specializzazione (ARNAS) Garibaldi Nesima, 95124 Catania, Italy;
| | - Francesco Sgalambro
- Obstetrics and Gynecology Unit, University Hospital “G. Rodolico”, 95100 Catania, Italy; (F.S.); (A.C.)
| | - Antonino Cavallaro
- Obstetrics and Gynecology Unit, University Hospital “G. Rodolico”, 95100 Catania, Italy; (F.S.); (A.C.)
| | - Sara Boemi
- Multidisciplinary Research Center in Papillomavirus Pathology, University of Catania, 95124 Catania, Italy;
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9
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Bruno MT, Boemi S, Caruso G, Sgalambro F, Ferlito S, Cavallaro A, Sudano MC, Palumbo M. Oral HPV Infection in Women with HPV-Positive Cervix Is Closely Related to Oral Sex. Diagnostics (Basel) 2023; 13:2096. [PMID: 37370992 DOI: 10.3390/diagnostics13122096] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2023] [Revised: 06/08/2023] [Accepted: 06/14/2023] [Indexed: 06/29/2023] Open
Abstract
The oral transmission of HPV and, consequently, the risk of oral cancer has increased in the last years. Oral sex has often been implicated among the risk factors for oral HPV infections, however, there is still no consensus on these topics, nor on the relationship between genital and oral HPV infections. The present study aimed to evaluate the coexistence of papilloma virus, at the levels of the oral and genital mucosa, in women with a histologically confirmed HPV lesions (and a positive HPV test) at the genital level and a negative HPV control group. We also evaluated how some risk factors, such as smoking, the number of partners, age, and sexual habits can influence the possible presence of the virus itself in the oropharynx of the same women. In total, 117 unvaccinated women aged between 18 and 52 were enrolled. We found that the prevalence of oral HPV infection was high among the women with concomitant genital HPV infection (22%) compared to the HPV-negative women (0%), and the estimated odds ratio was 17.36 (95% CI: 1.02, 297.04). In none of the women with oral HPV did we find any relevant clinical lesions. The potential risk factors for HPV infections in the oropharynx and genitals were analyzed based on questionnaire responses. A multivariate analysis showed that genital HPV infections were significantly associated with a number of sexual partners > 10 (OR 138.60, 95% CI: 6.04-3181.30, p < 0.001), but the data also referred to having between 3-5 or 6-10 partners as being significant, as were a high level of education (OR 6.24, 95% CI: 1.67-4.23.26 p = 0.003), a frequency of sexual intercourse >10 (OR 91.67 95% CI: 3.20-2623.52, p = 0.004), oral sex (OR 6.16, 95% CI: 1.22-31.19, p = 0.014), and >20 cigarettes/day (OR 6.09 95% CI: 1.21-30.61, p = 0.014). Furthermore, being "separate" and having multiple sexually transmitted diseases were also significantly associated with genital HPV infection. In contrast, oral HPV infections were significantly associated with women aged 36 to 50 years (OR 27.38, 95% CI: 4.37-171.37; p = 0.000202) and oral sex (OR 95.5, 95% CI: 5.13-1782.75, p = 0.001126).Additionally, being separate, being cohabitant, lifetime sexual partners of >10, 3-5 lifetime sexual partners, <20 years of age, >10 sexual intercourse per month, occasional and regular anal sex, >20 cigarettes per day, a history of sexually transmitted disease (herpes and multiple), and having a history of genital warts were significant. Screening and early diagnosis are considered to be practically unfeasible for this category of cancer, given the lack of visible lesions; the 9-valent HPV vaccine remains the only means that could help to successfully counter the growing incidence of oral squamous cell carcinoma.
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Affiliation(s)
- Maria Teresa Bruno
- Department of General Surgery and Medical Surgery Specialties, Gynecological Clinic, University of Catania, Via S.Sofia 78, 95123 Catania, Italy
- Multidisciplinary Research Center in Papillomavirus Pathology, University of Catania, 95123 Catania, Italy
| | - Sara Boemi
- Multidisciplinary Research Center in Papillomavirus Pathology, University of Catania, 95123 Catania, Italy
| | - Giuseppe Caruso
- Department of General Surgery and Medical Surgery Specialties, Gynecological Clinic, University of Catania, Via S.Sofia 78, 95123 Catania, Italy
| | - Francesco Sgalambro
- Multidisciplinary Research Center in Papillomavirus Pathology, University of Catania, 95123 Catania, Italy
| | - Salvatore Ferlito
- Multidisciplinary Research Center in Papillomavirus Pathology, University of Catania, 95123 Catania, Italy
- Department of Medical, Surgical Sciences and Advanced Technologies "G.F. Ingrassia", University of Catania, 95123 Catania, Italy
| | - Antonio Cavallaro
- Multidisciplinary Research Center in Papillomavirus Pathology, University of Catania, 95123 Catania, Italy
| | - Maria Chiara Sudano
- Multidisciplinary Research Center in Papillomavirus Pathology, University of Catania, 95123 Catania, Italy
| | - Marco Palumbo
- Department of General Surgery and Medical Surgery Specialties, Gynecological Clinic, University of Catania, Via S.Sofia 78, 95123 Catania, Italy
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10
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Bruno MT, Caruso S, Scalia G, Costanzo M, Di Pasqua S, Boemi S, Panella MM, Palumbo M. Papillomavirus Infection as Potential Cause of Miscarriage in the Early Gestational Age: A Prospective Study. Diagnostics (Basel) 2023; 13:diagnostics13091659. [PMID: 37175050 PMCID: PMC10178196 DOI: 10.3390/diagnostics13091659] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2023] [Revised: 04/25/2023] [Accepted: 05/01/2023] [Indexed: 05/15/2023] Open
Abstract
The possible association between human papillomavirus (HPV) infection and negative pregnancy outcomes has been debated in the literature, with conflicting results from clinical trials. While some authors support a link between HPV and miscarriage, others argue that the mere detection of the virus does not necessarily indicate a causal relationship with negative pregnancy outcomes. In this study, we conducted a prospective, controlled investigation of the potential association between HPV infection and miscarriage. Our study included 59 women who had experienced a miscarriage and 57 women who had undergone voluntary termination of pregnancy (TOP) within the 12th week of gestation. We assessed HPV prevalence, maternal age, and HPV genotype in both groups and evaluated the relationship between these factors and pregnancy outcome. Unlike previous studies that only identified HPV in cases of abortion, we also correlated the positivity of chorionic villi with gestational age in both groups. We found a close correlation between positive chorionic villi and very early gestational age, with all 13 cases of virus-positive chorionic villi in the miscarriage group occurring in gestational periods of less than 8 + 5 weeks (<60 days) (RR = 28.6). Our analysis showed no correlation between HPV infection and maternal age or viral genotypes. The results suggest that the presence of HPV alone is not enough to cause spontaneous abortion, but a high viral load in early pregnancy may increase the risk of negative outcomes. These findings have important implications for the management of HPV infection during pregnancy and may provide a rationale for the use of HPV vaccines to reduce the incidence of spontaneous abortion and infertility due to preclinical spontaneous abortions.
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Affiliation(s)
- Maria Teresa Bruno
- Department of General Surgery and Medical Surgery Specialties, Gynecological Clinic, University of Catania, 95123 Catania, Italy
- Multidisciplinary Research Center in Papillomavirus Pathology, University of Catania, 95123 Catania, Italy
| | - Salvatore Caruso
- Department of General Surgery and Medical Surgery Specialties, Gynecological Clinic, University of Catania, 95123 Catania, Italy
- Multidisciplinary Research Center in Papillomavirus Pathology, University of Catania, 95123 Catania, Italy
| | - Guido Scalia
- Department of Biomedical and Biotechnological Sciences, Clinical Virology, University of Catania, 95123 Catania, Italy
| | - Maria Costanzo
- Department of Biomedical and Biotechnological Sciences, Clinical Virology, University of Catania, 95123 Catania, Italy
| | - Salvatore Di Pasqua
- Department of General Surgery and Medical Surgery Specialties, Gynecological Clinic, University of Catania, 95123 Catania, Italy
| | - Sara Boemi
- Multidisciplinary Research Center in Papillomavirus Pathology, University of Catania, 95123 Catania, Italy
| | - Marco Marzio Panella
- Department of General Surgery and Medical Surgery Specialties, Gynecological Clinic, University of Catania, 95123 Catania, Italy
- Multidisciplinary Research Center in Papillomavirus Pathology, University of Catania, 95123 Catania, Italy
| | - Marco Palumbo
- Department of General Surgery and Medical Surgery Specialties, Gynecological Clinic, University of Catania, 95123 Catania, Italy
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11
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Oyouni AAA. Human papillomavirus in cancer: Infection, disease transmission, and progress in vaccines. J Infect Public Health 2023; 16:626-631. [PMID: 36868166 DOI: 10.1016/j.jiph.2023.02.014] [Citation(s) in RCA: 12] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2022] [Revised: 02/04/2023] [Accepted: 02/15/2023] [Indexed: 02/23/2023] Open
Abstract
Human papillomaviruses (HPVs) infect epithelial cells of human beings, and their replication cycle is associated with epithelial differentiation. More than 200 genotypes of HPVs were identified, and each of these HPVs shows distinct specificity for tissues and infection. HPV infection was involved in the development of lesions on the feet, genital warts and hands. The evidence of HPV infection revealed the role of HPVs in neck and head squamous cell carcinoma, esophageal cancer, cervical cancer, head and neck cancer, brain and lung tumours. The independent traditional risk factors, various clinical outcomes, and increased prevalence among certain populations and geographical regions have led increasing interest in HPV infection. The mode of HPVs transmission remains unclear. Moreover, in recent years, vertical transmission of HPVs was reported. This review concludes present knowledge about HPV infection, virulence strains, clinical significance of HPVs, and mode of transmission, and vaccination strategies.
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Affiliation(s)
- Atif Abdulwahab A Oyouni
- Department of Biology, Faculty of Sciences, University of Tabuk, Tabuk, Kingdom of Saudi Arabia; Genome and Biotechnology Unit, Faculty of Sciences, University of Tabuk, Tabuk, Kingdom of Saudi Arabia.
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12
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Gholizadeh O, Yekanipour Z, Kivi S, Farahbod F, Aqayinejad M, Tasoujizade Y, Yasamineh S, Amini P, Akbarzadeh S, Hajiesmaeili M, Poortahmasebi V. Review of the evidence of the effects of human papillomavirus infection and Gardnerella vaginalis, and their co-infection on infertility. Microb Pathog 2023; 175:105980. [PMID: 36642287 DOI: 10.1016/j.micpath.2023.105980] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2022] [Revised: 01/03/2023] [Accepted: 01/04/2023] [Indexed: 01/14/2023]
Abstract
A prevalent sexually transmitted infection, the human papillomavirus (HPV) is typically obtained just after the first sexual activity. The majority of HPV infections are asymptomatic and temporary. Cervical, anal, penile, vaginal, vulvar, and oropharyngeal cancers can occur due to recurrent infections with high-risk (hr)-HPV strains, generally decades later. Infections with HPV are significantly associated with reproductive function abnormalities. Per recent research, HPV infections may result in male infertility by reducing sperm motility. The hr-HPV infection was a risk factor for miscarriage, and the indiscriminate HPV genotype increased the probability of premature labor unexpectedly. Women's endometrial trophoblastic cell implantation is decreased by HPV. Gardnerella vaginalis (GV), an anaerobic bacterium that is a component of the natural vaginal flora, can be associated with bacterial vaginosis (BV) when it starts to overgrow and emerge as the dominant species. Reduced Lactobacillus species abundance and GV are linked to female infertility. Data from in vitro studies suggests that sialidase produced by GV may facilitate the entry and growth of papilloma and other sexually transmitted viruses. Also, based on some studies conducted in the past, it can be said that GV and BV are associated with the development of uterine cancer. However, there is still not enough information about the exact mechanism of GV and HPV in causing infertility, which requires more research.
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Affiliation(s)
- Omid Gholizadeh
- Department of Bacteriology and Virology, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran; Infectious and Tropical Diseases Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Zahra Yekanipour
- Department of Microbiology, Marand Branch, Islamic Azad University, Marand, Iran
| | - Setareh Kivi
- Department of Microbiology, Faculty of Science Islamic Azad University, Arak, Iran
| | - Farnoosh Farahbod
- Obstetric & Gynecologist Specialist, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Mohadeseh Aqayinejad
- Reproductive Health Research Center, Al-Zahra Hospital, Guilan University of Medical Sciences, Rasht, Iran
| | - Yalda Tasoujizade
- Health System Research (HSR), Khoy University of Medical Sciences, Khoy, Iran
| | - Saman Yasamineh
- Infectious and Tropical Diseases Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Parya Amini
- Cellular and Molecular Research Center and Department of Microbiology, Faculty of Medicine, Yasuj University of Medical Sciences, Yasuj, Iran
| | - Sama Akbarzadeh
- Department of Animal Biology, Faculty of Natural Science, University of Tabriz, Tabriz, Iran
| | - Mehrnaz Hajiesmaeili
- Department of Microbiology, Faculty of Medicine, Babol University of Medical Sciences, Babol, Iran
| | - Vahdat Poortahmasebi
- Department of Bacteriology and Virology, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran; Infectious and Tropical Diseases Research Center, Tabriz University of Medical Sciences, Tabriz, Iran.
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13
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Heydarifard Z, Zadheidar S, Yavarian J, Shatizadeh Malekshahi S, Kalantari S, Mokhtari-Azad T, Shafiei-Jandaghi NZ. Potential role of viral infections in miscarriage and insights into the underlying molecular mechanisms. Congenit Anom (Kyoto) 2022; 62:54-67. [PMID: 34961973 DOI: 10.1111/cga.12458] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/08/2021] [Revised: 11/19/2021] [Accepted: 12/06/2021] [Indexed: 11/30/2022]
Abstract
Intrauterine viruses can infect the decidua and placenta and cause adverse effects on the fetus during gestation. This review discusses the contribution of various viral infections to miscarriage and the molecular mechanisms by which viruses can cause devastating effects on healthy fetuses and induce miscarriage. Severe acute respiratory syndrome coronavirus 2 as newly emerged coronavirus was considered here, due to the concerns about its role during pregnancy and inducing miscarriage, as well. In this narrative review, an extensive literature search was conducted to find all studies investigating viral infections in miscarriage and their molecular mechanisms published over the past 20 years. The results of various studies investigating the roles of 20 viral infections in miscarriage are presented. Then, the mechanisms of pregnancy loss in viral infections were addressed, including alteration of trophoblast invasion and placental dysfunction, inducing excessive maternal immune response, and inducing apoptosis in the placental tissue. Viruses may cause pregnancy loss through different mechanisms and our knowledge about these mechanisms can be helpful for controlling or preventing viral infections and achieving a successful pregnancy.
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Affiliation(s)
- Zahra Heydarifard
- Virology Department, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
| | - Sevrin Zadheidar
- Virology Department, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
| | - Jila Yavarian
- Virology Department, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
| | | | - Shirin Kalantari
- Virology Department, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
| | - Talat Mokhtari-Azad
- Virology Department, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
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