Your browser doesn't support javascript.
loading
: 20 | 50 | 100
1 - 20 de 10.773
1.
BMC Infect Dis ; 24(1): 558, 2024 Jun 04.
Article En | MEDLINE | ID: mdl-38834951

In January 2020, a different cervical cancer screening program started in Germany. Women above the age of 35 are recommended to have a combined HPV and cytology swab every three years. Showing persistent high-risk human papillomavirus (hrHPV), cytologic negative cervical samples at baseline and after 12 months, patients are referred to colposcopy. Entailing considerable additional workload due to the required colposcopies, we analyzed the risk of high-grade cervical intraepithelial neoplasia (CIN 3) in cytologic negative and persistent hrHPV women according to their hrHPV genotypes.Methods In this single center retrospective study, patients with persistent hrHPV, cytology negative cervical samples from our certified Colposcopy Unit in 2020 and 2021 were analyzed. Patient demographics, hrHPV types, biopsy rates and histological reports were collected.Results During the study, 69 patients were enrolled. Most frequent hrHPV genotypes were: hrHPV other 72.5%; HPV 16, 20.3% and HPV 18, 7.2%. Colposcopy showed no or minor changes in 92.7% and major changes in 7.2%. CIN 3 was found in 7 patients (10.1%). Prevalence of CIN 3 by hrHPV genotypes was 27.3% for HPV16, 20.0% for HPV18 and 7.1% for HPVO. A statistically significant dependency between hrHPV and cervical intraepithelial neoplasia was demonstrated (p = 0.048).Conclusion Within this single center study of persistent hrHPV, cytologic negative samples, patients with HPV 16 were more likely to have high-grade disease compared to other hrHPV subtypes. Larger prospective randomized trials are needed to substantiate our results and obtain adjusted cervical cancer screening time intervals according to the hrHPV genotypes.


Colposcopy , Genotype , Papillomaviridae , Papillomavirus Infections , Uterine Cervical Dysplasia , Uterine Cervical Neoplasms , Humans , Female , Retrospective Studies , Papillomavirus Infections/virology , Adult , Middle Aged , Uterine Cervical Neoplasms/virology , Uterine Cervical Neoplasms/pathology , Uterine Cervical Dysplasia/virology , Uterine Cervical Dysplasia/pathology , Uterine Cervical Dysplasia/epidemiology , Papillomaviridae/genetics , Papillomaviridae/isolation & purification , Papillomaviridae/classification , Germany/epidemiology , Aged , Early Detection of Cancer , Cervix Uteri/virology , Cervix Uteri/pathology , Human Papillomavirus Viruses
2.
Cancer Epidemiol Biomarkers Prev ; 33(6): 763-765, 2024 Jun 03.
Article En | MEDLINE | ID: mdl-38826081

Cervical cancer can be eliminated, and the global community intends to achieve this goal in the next century. For this to successfully occur, concerted efforts to implement and scale-up available, evidence-based strategies including human papillomavirus vaccination, screening and treatment of precancerous lesions, and early detection and treatment for invasive cancers is paramount. While the World Health Organization has offered technical guidance and recommendations on implementation, several questions remain unanswered and require urgent high-quality research to inform policy and practice. We discuss the findings from the Cervical Cancer Screening and Treatment Algorithms pilot study in the context of the evidence synthesis conducted for the second edition of the World Health Organization guidelines for screening and treatment of cervical precancer lesions for cervical cancer prevention. Policymakers at the national level must consider the weight of evidence with country-level resources to make decisions on screening, triage, and treatment approaches. See related article by Sebitloane et al., p. 779.


Algorithms , Early Detection of Cancer , Papillomavirus Infections , Uterine Cervical Neoplasms , Humans , Female , Uterine Cervical Neoplasms/diagnosis , Uterine Cervical Neoplasms/virology , Uterine Cervical Neoplasms/prevention & control , Papillomavirus Infections/diagnosis , Papillomavirus Infections/prevention & control , Early Detection of Cancer/methods , Papillomavirus Vaccines/therapeutic use , Papillomavirus Vaccines/administration & dosage , Papillomaviridae/isolation & purification , Pilot Projects
3.
N Z Med J ; 137(1596): 43-51, 2024 Jun 07.
Article En | MEDLINE | ID: mdl-38843549

AIM: Cervical cancer is now preventable with human papillomavirus (HPV) vaccination and HPV screening. However, structural health system barriers in rural areas can inhibit screening access. Inequitable access for rural Maori is exacerbated by social determinants and racism. Pro-equity tools, such as self-taken swabs point of care (POC) testing, now exist. This study aimed to investigate whether POC HPV testing and immediate offer of colposcopy by a mobile colposcopy service is possible at a rural community event. METHODS: This case study was a collaboration between a research centre, a women's health bus, a molecular diagnostics company, a Maori health provider and a community charity, and took place prior to the new cervical screening programme introduction at a 2-day community event-a shearathon. Eligible participants were offered a self-taken swab for HPV, which was analysed by POC testing. If high-risk HPV was detected, they were offered an immediate colposcopy. The Maori-centred qualitative component explored women's experiences of the process. RESULTS: Fourteen women undertook a self-test for HPV. High-risk HPV was detected in six women and all were offered immediate colposcopy. Six women were interviewed. All were supportive of the service. Culturally safe staff taking time to put women at ease contributed to acceptability and positive experiences. CONCLUSION: This case study shows that provision of POC HPV testing and colposcopy at a rural community event setting is possible through cross-sector collaboration. This service was acceptable to rural transient workers who face barriers to healthcare in a high-income country.


Colposcopy , Papillomavirus Infections , Rural Population , Uterine Cervical Neoplasms , Humans , Female , Papillomavirus Infections/diagnosis , Papillomavirus Infections/prevention & control , Uterine Cervical Neoplasms/diagnosis , Uterine Cervical Neoplasms/prevention & control , Uterine Cervical Neoplasms/virology , Adult , New Zealand , Middle Aged , Early Detection of Cancer/methods , Point-of-Care Systems , Point-of-Care Testing , Papillomaviridae/isolation & purification , Mobile Health Units , Native Hawaiian or Other Pacific Islander , Young Adult , Human Papillomavirus Viruses
4.
Virol J ; 21(1): 133, 2024 Jun 06.
Article En | MEDLINE | ID: mdl-38844960

BACKGROUND: Early diagnosis and treatment of HPV persistent infection and cervical intraepithelial neoplasia, which have yet to be thoroughly characterized in Guangxi, Southwestern China, are the key preventative measures for the development of cervical cancer in women, particularly in HIV-infected women. METHODS: A retrospective study of 181 patients with HPV infection or cervical intraepithelial neoplasia who received surgical excision of lesions and were prospectively enrolled at the Fourth People's Hospital of Nanning between January 2018 and February 2023 was performed. HPV-infected patients were divided into two subgroups: HIV-infected and HIV/HPV-coinfected patients and compare differences between these groups. RESULTS: HPV16, 18, 52, and 58 were the most prevalent HPV genotypes. High-risk HPV was significantly co-infected with multiple genotypes (P = 0.0332). HIV-infected women were predisposed to HPV infection (P < 0.0001), and the development of cervical cancer at a young age (P = 0.0336) compared to HIV-uninfected women and the loop electrosurgical excision procedure (P = 0.0480) is preferred for the treatment. CONCLUSIONS: HIV infection may increase HPV prevalence and lead to cervical cancer development at a young age. The loop electrosurgical excision procedure is an efficient evaluation and treatment strategy for HIV-infected women suffering from cervical intraepithelial neoplasia.


Coinfection , HIV Infections , Papillomavirus Infections , Uterine Cervical Dysplasia , Uterine Cervical Neoplasms , Humans , Female , HIV Infections/complications , Papillomavirus Infections/complications , Papillomavirus Infections/virology , Retrospective Studies , Adult , Middle Aged , Uterine Cervical Dysplasia/virology , Uterine Cervical Dysplasia/surgery , Uterine Cervical Dysplasia/complications , Uterine Cervical Neoplasms/virology , Uterine Cervical Neoplasms/surgery , Coinfection/virology , China/epidemiology , Genotype , Prevalence , Papillomaviridae/genetics , Papillomaviridae/isolation & purification , Persistent Infection/virology , Young Adult
5.
Cancer Med ; 13(11): e7316, 2024 Jun.
Article En | MEDLINE | ID: mdl-38828559

OBJECTIVE: To assess the clinical values of extended human papillomavirus (HPV) genotyping in triage of high-risk HPV-positive women, focusing on the trade-off between cervical precancer detections and colposcopy referrals. METHODS: A bivariate random-effects model was used to estimate the diagnostic accuracy of primary HPV screening with following triage strategies to detect cervical precancers: (i) partial genotyping for HPV16/18 combined with cytological testing at atypical squamous cells of undetermined significance threshold (used as the comparator), (ii) genotyping for HPV16/18/58/52, (iii) genotyping for HPV16/18/58/52/33, (iv) genotyping for HPV16/18/58/33/31, (v) genotyping for HPV16/18/58/52/33/31, and (vi) genotyping for HPV16/18/58/52/33/31/39/51. Internal risk benchmarks for clinical management were used to evaluate the risk stratification of each triage strategy. RESULTS: A total of 16,982 women (mean age 46.1 years, range 17-69) were included in this analysis. For CIN3+ detection, triage with HPV16/18/58/33/31 genotyping achieved lower positivity (6.85% vs. 7.35%, p = 0.001), while maintaining similar sensitivity (91.35% vs. 96.42%, p = 0.32) and specificity (94.09% vs. 93.67%, p = 0.56) compared with the comparator strategy. Similar patterns were observed for CIN2+ detection. Women with a positive HPV16/18/58/33/31 genotyping test had high enough risk for CIN3+ for colposcopy referral, while the risk for women with a negative test was below the 1-year return decision threshold according to internal benchmarks. CONCLUSIONS: Our findings suggested extended HPV genotyping is of potential to be used as a triage technique integrated into HPV-based cervical cancer screening, leading to reduced need for colposcopy referral while maintaining similar disease detection and efficient risk stratification.


Early Detection of Cancer , Genotype , Papillomavirus Infections , Triage , Uterine Cervical Neoplasms , Humans , Female , Uterine Cervical Neoplasms/virology , Uterine Cervical Neoplasms/diagnosis , Uterine Cervical Neoplasms/epidemiology , Early Detection of Cancer/methods , Adult , Papillomavirus Infections/virology , Papillomavirus Infections/diagnosis , Papillomavirus Infections/epidemiology , Middle Aged , Triage/methods , China/epidemiology , Adolescent , Young Adult , Colposcopy , Papillomaviridae/genetics , Papillomaviridae/isolation & purification , Uterine Cervical Dysplasia/virology , Uterine Cervical Dysplasia/diagnosis , Uterine Cervical Dysplasia/epidemiology , Aged , Human papillomavirus 18/genetics , Human papillomavirus 18/isolation & purification , Sensitivity and Specificity , Human Papillomavirus Viruses
6.
BMC Cancer ; 24(1): 678, 2024 Jun 03.
Article En | MEDLINE | ID: mdl-38831404

BACKGROUND: Despite several preventative and control measures Ethiopia continues to see an increase in cervical cancer. Comprehensive evidence is very important to suggest ministry of health. Therefore, the aim of this study is to estimate the pooled violence of Precancerous Cervical Lesion and to identify associated factors among women living with HIV AIDS in Ethiopia. METHODS: From February 15, 2024 to March 17, 2024, systematic and methodical search of the literature was conducted using electronic databases such as PubMed, HINARI, Global Health, Scopus, EMBASE, Web of Science, African Journal online (AJOL), and Google Scholar. Quality appraisal was assessed based on Joanna Briggs Institute (JBI) critical appraisal checklist for analytical cross-sectional study using 9 criteria. The Cochrane Q and I2 test statistics were used to verify the heterogeneity of the studies. Using a fixed effect model, the pooled estimate prevalence of precancerous cervical lesion among women living with HIV was calculated. RESULTS: After reviewing 9,470 studies, 9 studies involving 2,910 women with HIV were included. The pooled estimate of precancerous cervical cancer among women living with HIV in Ethiopia was 15.34% (95% CI: 8.97, 21.72). Having history of sexual infection (POR = 3.12; 95% CI: 1.38, 7.05), having multiple sexual partner (POR = 3.14; 95% CI: 2.29, 4.30), and parity greater than two (POR = 4.97; 95% CI: 3.17, 7.78) were identified factors associated with precancerous cervical lesion. CONCLUSION: This study found that about one-six of HIV-positive women developed precancerous cervical lesion. According to this study, there was a substantial correlation between precancerous cervical lesion among HIV-positive women and having history of sexually transmitted infection, having multiple sexual partners, and being multipara. In order to reduce precancerous cervical lesion, FMOH, policy makers, and interested parties should pay particular attention to this issue.


HIV Infections , Precancerous Conditions , Uterine Cervical Neoplasms , Humans , Female , Ethiopia/epidemiology , Uterine Cervical Neoplasms/epidemiology , Uterine Cervical Neoplasms/virology , HIV Infections/epidemiology , HIV Infections/complications , Precancerous Conditions/epidemiology , Precancerous Conditions/virology , Prevalence , Risk Factors , Cross-Sectional Studies , Adult
7.
BMC Infect Dis ; 24(1): 552, 2024 Jun 03.
Article En | MEDLINE | ID: mdl-38831406

BACKGROUND: Persistent infections with high-risk human papillomavirus (hrHPV) can cause cervical squamous intraepithelial lesions (SIL) that may progress to cancer. The cervicovaginal microbiome (CVM) correlates with SIL, but the temporal composition of the CVM after hrHPV infections has not been fully clarified. METHODS: To determine the association between the CVM composition and infection outcome, we applied high-resolution microbiome profiling using the circular probe-based RNA sequencing technology on a longitudinal cohort of cervical smears obtained from 141 hrHPV DNA-positive women with normal cytology at first visit, of whom 51 were diagnosed by cytology with SIL six months later. RESULTS: Here we show that women with a microbial community characterized by low diversity and high Lactobacillus crispatus abundance at both visits exhibit low risk to SIL development, while women with a microbial community characterized by high diversity and Lactobacillus depletion at first visit have a higher risk of developing SIL. At the level of individual species, we observed that a high abundance for Gardnerella vaginalis and Atopobium vaginae at both visits associate with SIL outcomes. These species together with Dialister micraerophilus showed a moderate discriminatory power for hrHPV infection progression. CONCLUSIONS: Our results suggest that the CVM can potentially be used as a biomarker for cervical disease and SIL development after hrHPV infection diagnosis with implications on cervical cancer prevention strategies and treatment of SIL.


Cervix Uteri , Microbiota , Papillomavirus Infections , Vagina , Humans , Female , Longitudinal Studies , Vagina/microbiology , Vagina/virology , Papillomavirus Infections/virology , Papillomavirus Infections/microbiology , Adult , Cervix Uteri/microbiology , Cervix Uteri/virology , Middle Aged , Papillomaviridae/genetics , Papillomaviridae/isolation & purification , Papillomaviridae/classification , Young Adult , Uterine Cervical Neoplasms/virology , Uterine Cervical Neoplasms/microbiology , Vaginal Smears
8.
J Med Virol ; 96(6): e29688, 2024 Jun.
Article En | MEDLINE | ID: mdl-38847316

To meet the screening goal of WHO's 90-70-90 strategy aimed at eliminating cervical cancer (CC) by 2030, clinical validation of human papillomavirus (HPV) assays is essential to provide accurate and valid results through fulfilling three criteria of the international validation guidelines (IVGs). Previously, the clinical accuracy of the AmpFire® HPV Screening 16/18/HR assay (AmpFire assay) was reported but reproducibility data are lacking. Here, we aim to evaluate the intra- and inter-laboratory reproducibility of the AmpFire assay. The reproducibility of the isothermal AmpFire assay was assessed using 556 cervical cell samples collected from women attending CC screening and biobanked in a Belgian HPV national reference center. This assay detects HPV16, HPV18, and 12 other high-risk HPV (hrHPV) types (31/33/35/39/45/51/52/56/58/59/66/68) in aggregate. Lower 95% confidence interval bound around the assay's reproducibility should exceed 87%, with κ ≥ 0.50. Additionally, a literature review of the assay's clinical performance was performed. The AmpFire assay showed an excellent intralaboratory (96.4%, 95% CI:94.5-97.8%, κ = 0.920) and interlaboratory (95.3%, 95% CI:93.2-96.9%, κ = 0.897) reproducibility. One study demonstrated noninferior sensitivity of a prototype AmpFire assay targeting 15 hrHPV types (including HPV53) to detect CIN2+. However, clinical specificity became similar to the comparator after removing HPV53 from analyses. The low-cost and easy-to-use AmpFire assay presents excellent reproducibility and-after removing HPV53 from the targeted types-fulfills also clinical accuracy requirements. Inclusion of HPV53, which is not recognized as carcinogenic, comprises clinical specificity of screening assays.


Papillomavirus Infections , Uterine Cervical Neoplasms , Humans , Reproducibility of Results , Papillomavirus Infections/diagnosis , Papillomavirus Infections/virology , Female , Uterine Cervical Neoplasms/diagnosis , Uterine Cervical Neoplasms/virology , Papillomaviridae/isolation & purification , Belgium , Early Detection of Cancer/methods , Early Detection of Cancer/standards , Adult , Sensitivity and Specificity , Middle Aged , Molecular Diagnostic Techniques/standards , Molecular Diagnostic Techniques/methods , Cervix Uteri/virology
9.
JCO Glob Oncol ; 10: e2400005, 2024 May.
Article En | MEDLINE | ID: mdl-38723214

PURPOSE: Disparities in cervical cancer screening, incidence, and mortality exist in the United States. Cervical cancer incidence and mortality rates in Texas are 20% and 32% higher, respectively, than national averages. Within Texas, these rates are significantly higher among non-Hispanic (NH) Black and Hispanic women. Cervical cancer screening uptake is lower among NH Black and Hispanic women (72.9% and 75.9%, respectively) compared with White women (85.5%) in Texas. METHODS: During March-August 2023, we conducted a pilot study that offered culturally competent education and human papillomavirus (HPV) self-sampling kits to women in two public housing projects in Houston, TX, that have predominantly NH Black or Hispanic residents. Among those eligible for cervical cancer screening, 35% (n = 24) of the NH Black and 34% (n = 16) of the Hispanic women were found to be underscreened per the US Preventive Services Task Force Guideline. We recruited 40 (24 NH Black and 16 Hispanic) eligible women for our study. The study was approved by the MD Anderson institutional review board and registered with ClinicalTrials.gov (NCT04614155-March 11, 2020). RESULTS: Seventy-five percent of the NH Black and 87% of the Hispanic participants completed the HPV self-sampling procedures per protocol. Samples of 17% NH Black and 12% Hispanic participants showed a performance error. Overall, cervical cancer screening uptake improved from 65% to 91% among NH Black and from 66% to 96% among Hispanic participants. CONCLUSION: Culturally competent education and HPV self-sampling resulted in remarkable improvement in cervical cancer screening uptake among underscreened NH Black and Hispanic women residents of Houston public housing projects. Implementing this strategy could significantly reduce cervical cancer incidence and mortality among similar populations in the United States and globally.


Early Detection of Cancer , Hispanic or Latino , Papillomavirus Infections , Uterine Cervical Neoplasms , Humans , Female , Hispanic or Latino/statistics & numerical data , Uterine Cervical Neoplasms/diagnosis , Uterine Cervical Neoplasms/virology , Uterine Cervical Neoplasms/prevention & control , Adult , Early Detection of Cancer/methods , Papillomavirus Infections/diagnosis , Middle Aged , Texas/epidemiology , Pilot Projects , Poverty , Black or African American/statistics & numerical data , Papillomaviridae/isolation & purification , Cultural Competency , Specimen Handling/methods , Human Papillomavirus Viruses
10.
J Med Virol ; 96(5): e29652, 2024 May.
Article En | MEDLINE | ID: mdl-38727029

Human papillomavirus (HPV) genotyping is widely used, particularly in combination with high-risk (HR) HPV tests for cervical cancer screening. We developed a genotyping method using sequences of approximately 800 bp in the E6/E7 region obtained by PacBio single molecule real-time sequencing (SMRT) and evaluated its performance against MY09-11 L1 sequencing and after the APTIMA HPV genotyping assay. The levels of concordance of PacBio E6/E7 SMRT sequencing with MY09-11 L1 sequencing and APTIMA HPV genotyping were 100% and 90.8%, respectively. The sensitivity of PacBio E6/EA7 SMRT was slightly greater than that of L1 sequencing and, as expected, lower than that of HR-HPV tests. In the context of cervical cancer screening, PacBio E6/E7 SMRT is then best used after a positive HPV test. PacBio E6/E7 SMRT genotyping is an attractive alternative for HR and LR-HPV genotyping of clinical samples. PacBio SMRT sequencing provides unbiased genotyping and can detect multiple HPV infections and haplotypes within a genotype.


Genotype , Genotyping Techniques , Papillomaviridae , Papillomavirus Infections , Humans , Papillomavirus Infections/virology , Papillomavirus Infections/diagnosis , Female , Genotyping Techniques/methods , Papillomaviridae/genetics , Papillomaviridae/classification , Papillomaviridae/isolation & purification , Sensitivity and Specificity , Uterine Cervical Neoplasms/virology , Uterine Cervical Neoplasms/diagnosis , Sequence Analysis, DNA/methods , Early Detection of Cancer/methods , Oncogene Proteins, Viral/genetics , DNA, Viral/genetics , High-Throughput Nucleotide Sequencing/methods
11.
Hum Vaccin Immunother ; 20(1): 2343552, 2024 Dec 31.
Article En | MEDLINE | ID: mdl-38723789

The main aim of our study was to investigate the specific contribution of a 9-valent human papillomavirus vaccine (9vHPV) to the recurrence risk of cervical intraepithelial neoplasia grade 2 or worse (CIN2+) in women vaccinated post-excision. Therefore, we conducted a retrospective monocentric cohort study in women aged 22-49 years undergoing conization between 2014 and 2023. The 9vHPV-vaccinated women were matched to unvaccinated women for age and follow-up duration in a 1:2 ratio to eliminate allocation bias. The risk of CIN2+ recurrence was estimated by the incidence rate ratio using Poisson regression with adjustment for comorbidities, smoking status, nulliparity, CIN grade, positive cone margin, and HPV genotypes. The CIN2+ recurrence rates in 147 women enrolled in the analysis were 18 and 2 cases per 100,000 person-days for unvaccinated and vaccinated women, respectively, during a mean follow-up period of 30 months (±22 months). A reduction in CIN2+ recurrences by 90% (95% confidence interval: 12-99%) was documented in 9vHPV-vaccinated participants compared to women undergoing only surgical excision. Moreover, vaccinated women with a positive cone margin showed a 42% (though non-significant) reduction in relapse (p = .661). Full post-conization vaccination with the 9vHPV contributed to an additional reduction in the risk of CIN2+ recurrence. This finding is consistent with current knowledge and suggests a high adjuvant effect of the 9vHPV vaccine.


Neoplasm Recurrence, Local , Papillomavirus Infections , Papillomavirus Vaccines , Uterine Cervical Dysplasia , Uterine Cervical Neoplasms , Humans , Female , Retrospective Studies , Adult , Middle Aged , Uterine Cervical Dysplasia/prevention & control , Uterine Cervical Dysplasia/virology , Papillomavirus Infections/prevention & control , Papillomavirus Vaccines/administration & dosage , Papillomavirus Vaccines/immunology , Uterine Cervical Neoplasms/prevention & control , Uterine Cervical Neoplasms/virology , Young Adult , Neoplasm Recurrence, Local/prevention & control , Conization/methods , Vaccination
12.
New Microbiol ; 47(1): 88-97, 2024 May.
Article En | MEDLINE | ID: mdl-38700888

Human papilloma virus (HPV) is the most common sexually transmitted viral agent in the world and the most common cause of cervical cancer. HPV prevalence and genotype distribution vary by region and demographic data. In a province in the south of Turkey that constantly receives immigration, we aimed to determine the prevalence of high-risk HPV (HR-HPV) genotypes, evaluate the compatibility between cervical Pap smear cytology results patients and HR-HPVs, and make an up-to-date contribution to the elucidation of epidemiological data. In this single-centre study, a total of 12,641 women aged 18 and over were evaluated retrospectively from January 2019 to July 2022. HPV detection and genotyping were analysed by the PCR method. Bethesda scoring was used for Pap smear cytological evaluation. The overall prevalence of HR-HPV was 12.6% (12.7% in Turkish women, 11.2% in foreign women). Among the typed HPVs that were detected, HPV-16 (31%) was found first, followed by HPV-18 (8%). The prevalence of HR-HPV was higher in women with abnormal cytology (977/1762, 55.4%) than in women with normal cytology (620/10879, 5.7%) (p<0.001). Turkey doesn't yet have a national HPV immunisation program. We think that determining the specific regional frequency of other HR-HPVs separately will be useful in the follow-up of the natural course of the type-specific infection and in vaccine studies in the future.


Emigrants and Immigrants , Genotype , Papillomaviridae , Papillomavirus Infections , Humans , Female , Turkey/epidemiology , Adult , Papillomavirus Infections/virology , Papillomavirus Infections/epidemiology , Papillomaviridae/genetics , Papillomaviridae/isolation & purification , Papillomaviridae/classification , Middle Aged , Young Adult , Retrospective Studies , Adolescent , Cervix Uteri/virology , Cervix Uteri/pathology , Prevalence , Aged , Vaginal Smears , Papanicolaou Test , Uterine Cervical Neoplasms/virology , Uterine Cervical Neoplasms/epidemiology , Human Papillomavirus Viruses
13.
Front Immunol ; 15: 1407649, 2024.
Article En | MEDLINE | ID: mdl-38812510

Infection with human papillomavirus (HPV) typically leads to cervical cancer, skin related cancers and many other tumors. HPV is mainly responsible for evading immune tumor monitoring in HPV related cancers. Toll like receptors (TLRs) are particular pattern recognition molecules. When the body is facing immune danger, it can lead to innate and direct adaptive immunity. TLR plays an important role in initiating antiviral immune responses. HPV can affect the expression level of TLR and interfere with TLR related signaling pathways, resulting in sustained viral infection and even carcinogenesis. This paper introduces the HPV virus and HPV related cancers. We discussed the present comprehension of TLR, its expression and signaling, as well as its role in HPV infection. We also provided a detailed introduction to immunotherapy methods for HPV related diseases based on TLR agonists. This will provide insights into methods that support the therapeutic method of HPV related conditions with TLR agonists.


Papillomaviridae , Papillomavirus Infections , Toll-Like Receptors , Humans , Toll-Like Receptors/metabolism , Toll-Like Receptors/agonists , Toll-Like Receptors/immunology , Papillomavirus Infections/immunology , Papillomavirus Infections/therapy , Papillomavirus Infections/virology , Papillomaviridae/physiology , Papillomaviridae/immunology , Signal Transduction , Neoplasms/therapy , Neoplasms/immunology , Animals , Immunotherapy/methods , Female , Uterine Cervical Neoplasms/virology , Uterine Cervical Neoplasms/therapy , Uterine Cervical Neoplasms/immunology , Host-Pathogen Interactions/immunology
14.
Sci Rep ; 14(1): 12076, 2024 05 27.
Article En | MEDLINE | ID: mdl-38802525

Cervical cancer (CC) ranks as the fourth most common form of cancer affecting women, manifesting in the cervix. CC is caused by the Human papillomavirus (HPV) infection and is eradicated by vaccinating women from an early age. However, limited medical facilities present a significant challenge in mid- or low-income countries. It can improve the survivability rate and be successfully treated if the CC is detected at earlier stages. Current technological improvements allow for cost-effective, more sensitive, and rapid screening and treatment measures for CC. DL techniques are widely adopted for the automated detection of CC. DL techniques and architectures are used to detect CC and provide higher detection performance. This study offers the design of Enhanced Cervical Precancerous Lesions Detection and Classification using the Archimedes Optimization Algorithm with Transfer Learning (CPLDC-AOATL) algorithm. The CPLDC-AOATL algorithm aims to diagnose cervical cancer using medical images. At the preliminary stage, the CPLDC-AOATL technique involves a bilateral filtering (BF) technique to eliminate the noise in the input images. Besides, the CPLDC-AOATL technique applies the Inception-ResNetv2 model for the feature extraction process, and the use of AOA chose the hyperparameters. The CPLDC-AOATL technique involves a bidirectional long short-term memory (BiLSTM) model for the cancer detection process. The experimental outcome of the CPLDC-AOATL technique emphasized the superior accuracy outcome of 99.53% over other existing approaches under a benchmark dataset.


Algorithms , Precancerous Conditions , Uterine Cervical Neoplasms , Humans , Female , Uterine Cervical Neoplasms/diagnosis , Uterine Cervical Neoplasms/virology , Precancerous Conditions/diagnosis , Early Detection of Cancer/methods , Machine Learning
15.
Hum Vaccin Immunother ; 20(1): 2343192, 2024 Dec 31.
Article En | MEDLINE | ID: mdl-38745409

To summarize the distribution of types of human papillomavirus (HPV) associated with HPV-related diseases and investigate the potential causes of high prevalence of HPV 52 and 58 by summarizing the prevalence of lineages, sub-lineages, and mutations among Chinese women. We searched PubMed, EMBASE, CNKI, and WanFang from January, 2012 to June, 2023 to identify all the eligible studies. We excluded patients who had received HPV vaccinations. Data were summarized in tables and cloud/rain maps. A total of 102 studies reporting HPV distribution and 15 studies reporting HPV52/HPV58 variants were extracted. Among Chinese women, the top five prevalent HPV types associated with cervical cancer (CC) were HPV16, 18, 58, 52, and 33. In patients with vaginal cancers and precancerous lesions, the most common HPV types were 16 and 52 followed by 58. For women with condyloma acuminatum (CA), the most common HPV types were 11 and 6. In Chinese women with HPV infection, lineage B was the most prominently identified for HPV52, and lineage A was the most common for HPV58. In addition to HPV types 16, which is prevalent worldwide, our findings revealed the unique high prevalence of HPV 52/58 among Chinese women with HPV-related diseases. HPV 52 variants were predominantly biased toward lineage B and sub-lineage B2, and HPV 58 variants were strongly biased toward lineage A and sub-lineage A1. Further investigations on the association between the high prevalent lineage and sub-lineage in HPV 52/58 and the risk of cancer risk are needed. Our findings underscore the importance of vaccination with the nine-valent HPV vaccine in China.


Papillomavirus Infections , Uterine Cervical Neoplasms , Humans , Female , Papillomavirus Infections/epidemiology , Papillomavirus Infections/virology , China/epidemiology , Prevalence , Uterine Cervical Neoplasms/virology , Uterine Cervical Neoplasms/epidemiology , Papillomaviridae/genetics , Papillomaviridae/classification , Genotype , Vaginal Neoplasms/virology , Vaginal Neoplasms/epidemiology , Condylomata Acuminata/virology , Condylomata Acuminata/epidemiology
16.
Pol J Pathol ; 75(1): 36-39, 2024.
Article En | MEDLINE | ID: mdl-38741427

This research paper evaluates the efficacy of co-testing in precluding cervical cancer, with a particular focus on distinguishable outcomes of the human papillomavirus (HPV) vs. cytology tests. A retrospective review of 5948 patients, who tested positive for high-risk HPV but showed negative cytologic findings, revealed that 15.006% tested positive in subsequent screenings. A comparative analysis of various commercial HPV tests highlighted the precision of mRNA-based HPV testing by Aptima (Hologic) in reducing the likelihood of false-negative cytology. The paper challenges the conviction that a negative cytology alone suffices advocating for a condensed testing interval in instances of positive HPV outcomes, thereby facilitating earlier intervention and optimal preventive care. These findings unveil an exigency for reconsidering preventive strategies based on test outcomes.


Papillomavirus Infections , Uterine Cervical Neoplasms , Humans , Female , Retrospective Studies , Papillomavirus Infections/virology , Papillomavirus Infections/diagnosis , Papillomavirus Infections/complications , Uterine Cervical Neoplasms/virology , Uterine Cervical Neoplasms/pathology , Uterine Cervical Neoplasms/diagnosis , Adult , Middle Aged , Vaginal Smears , Papillomaviridae/genetics , Papillomaviridae/isolation & purification , Aged , Uterine Cervical Dysplasia/virology , Uterine Cervical Dysplasia/pathology , Uterine Cervical Dysplasia/diagnosis , Early Detection of Cancer/methods , Human Papillomavirus Viruses , Cytology
19.
J Pak Med Assoc ; 74(4): 631-640, 2024 Apr.
Article En | MEDLINE | ID: mdl-38751253

Objectives: To probe cervical cancer screening practices in local women positive for human immunodeficiency virus, and to determine the cervical cytological changes in them. METHODS: The serial cross-sectional study was conducted at the Jinnah Hospital and Services Hospital, Lahore, Pakistan, from April 2019 to October 2020, and comprised female patients aged 18-45 years who were positive for human immunodeficiency virus or acquired immunodeficiency syndrome and were registered with the relevant programme being run by the provincial government in Punjab. Blood samples of all the patients were collected for the determination of human immunodeficiency virus viral load and cluster of differentiation 4+ count. Cervical smears were taken for cytopathological analysis, while the swabs were analysed for culture sensitivity. The same individuals were subjected to the same testing one year later, and the status of the disease and clinical stability or disease progression was explored. Data was analysed using SPSS 25. RESULTS: There were 150 women with mean age 32.08±7.13 years (range: 21-45 years). Age at marriage/sexual activity was 17.33±4.73 years in 15(10%) subjects. Cytological examination showed atypical squamous cells of undetermined significance in 6(4%) of the cases whereas 3(2%) cases showed atypical squamous cells, which cannot rule out high grade squamous intraepithelial lesion on cytology, while the rest were classified as negative for intraepithelial lesion or malignancy. Cervical microbial changes revealed methicillin-resistant staphylococcus aureus infection in 9(6%) cases, extended-spectrum beta-lactamase in 15(10%) cases, whereas fungal infection and trichomonas vaginalis infection were found in 30(20%) smears. There was a significant association between cluster of differentiation 4+ cell count and stability of high-risk patients (p<0.001). After one year, 84(56%) patients remained clinically stable, while 51(34%) developed some chronic illness. There was a significant association between cluster of differentiation 4+ cell count <200/mm3 and the risk of developing a chronic illness (p<0.001). CONCLUSIONS: There was a dire need to educate healthcare workers to offer regular cervical screening to patients with high-risk sexually-transmitted infections to prevent them from the morbidity and mortality related to cervical cancer.


Early Detection of Cancer , HIV Infections , Uterine Cervical Neoplasms , Humans , Female , Adult , Uterine Cervical Neoplasms/diagnosis , Uterine Cervical Neoplasms/virology , Pakistan/epidemiology , Early Detection of Cancer/methods , Cross-Sectional Studies , Young Adult , Middle Aged , HIV Infections/epidemiology , HIV Infections/diagnosis , Vaginal Smears , Uterine Cervical Dysplasia/diagnosis , Uterine Cervical Dysplasia/epidemiology , Uterine Cervical Dysplasia/virology , Atypical Squamous Cells of the Cervix/pathology , Viral Load
20.
BMJ ; 385: e077341, 2024 05 15.
Article En | MEDLINE | ID: mdl-38749552

OBJECTIVES: To replicate previous analyses on the effectiveness of the English human papillomavirus (HPV) vaccination programme on incidence of cervical cancer and grade 3 cervical intraepithelial neoplasia (CIN3) using 12 additional months of follow-up, and to investigate effectiveness across levels of socioeconomic deprivation. DESIGN: Observational study. SETTING: England, UK. PARTICIPANTS: Women aged 20-64 years resident in England between January 2006 and June 2020 including 29 968 with a diagnosis of cervical cancer and 335 228 with a diagnosis of CIN3. In England, HPV vaccination was introduced nationally in 2008 and was offered routinely to girls aged 12-13 years, with catch-up campaigns during 2008-10 targeting older teenagers aged <19 years. MAIN OUTCOME MEASURES: Incidence of invasive cervical cancer and CIN3. RESULTS: In England, 29 968 women aged 20-64 years received a diagnosis of cervical cancer and 335 228 a diagnosis of CIN3 between 1 January 2006 and 30 June 2020. In the birth cohort of women offered vaccination routinely at age 12-13 years, adjusted age standardised incidence rates of cervical cancer and CIN3 in the additional 12 months of follow-up (1 July 2019 to 30 June 2020) were, respectively, 83.9% (95% confidence interval (CI) 63.8% to 92.8%) and 94.3% (92.6% to 95.7%) lower than in the reference cohort of women who were never offered HPV vaccination. By mid-2020, HPV vaccination had prevented an estimated 687 (95% CI 556 to 819) cervical cancers and 23 192 (22 163 to 24 220) CIN3s. The highest rates remained among women living in the most deprived areas, but the HPV vaccination programme had a large effect in all five levels of deprivation. In women offered catch-up vaccination, CIN3 rates decreased more in those from the least deprived areas than from the most deprived areas (reductions of 40.6% v 29.6% and 72.8% v 67.7% for women offered vaccination at age 16-18 and 14-16, respectively). The strong downward gradient in cervical cancer incidence from high to low deprivation in the reference unvaccinated group was no longer present among those offered the vaccine. CONCLUSIONS: The high effectiveness of the national HPV vaccination programme previously seen in England continued during the additional 12 months of follow-up. HPV vaccination was associated with a substantially reduced incidence of cervical cancer and CIN3 across all five deprivation groups, especially in women offered routine vaccination.


Papillomavirus Infections , Papillomavirus Vaccines , Uterine Cervical Dysplasia , Uterine Cervical Neoplasms , Humans , Female , Uterine Cervical Neoplasms/prevention & control , Uterine Cervical Neoplasms/epidemiology , Uterine Cervical Neoplasms/virology , Papillomavirus Vaccines/administration & dosage , England/epidemiology , Uterine Cervical Dysplasia/prevention & control , Uterine Cervical Dysplasia/epidemiology , Uterine Cervical Dysplasia/virology , Incidence , Adult , Young Adult , Middle Aged , Papillomavirus Infections/prevention & control , Papillomavirus Infections/epidemiology , Immunization Programs , Adolescent , Socioeconomic Factors
...