RESUMO
The menace of human papillomavirus (HPV) infections among low- and middle-income countries with no access to a free HPV vaccine is a public health concern. HPV is one of the most common sexually transmitted infections (STIs) in Nigeria, while the most known types of HPV genotypes being transmitted are the high-risk HPV-16 and 18 genotypes. In this study, we explored the predictors of self-reported HPV infections and HPV genital warts infection among a population of students, non-academic staff, and academic staff of Ibrahim Badamasi Babangida (IBB) University located in Lapai, Nigeria. We also assessed their knowledge about HPV infections and genotypes, and sexual behaviors. An online cross-sectional study was conducted by setting up a structured questionnaire on Google Forms and it was distributed to the university community via Facebook and other social media platforms of the university. The form captured questions on HPV infection, and knowledge about HPV infection and genotypes, as well as the sexual health of the participants. All variables were described using frequencies and percentage distribution; chi-squared test statistics were used to explore the association between HPV infection (medical records of HPV infection) and the participants' profile, and a logistic regression analysis was performed to examine the factors associated with HPV genital warts infection among the population. This study reveals those participants between the ages of 26-40 years (81.3%) and those currently not in a sexually active relationship-single/divorced (26.4%)-who have self-reported having the HPV-16 and -18 genotypes. Moreover, participants between 26-40 years of age (OR: 0.45, 95%CI: 0.22-0.89) reported themselves to be carriers of HPV genital warts. Therefore, this study reveals the factors associated with HPV infection and genital warts peculiar to IBB university students and staff. Hence, we suggest the need for HPV awareness programs and free HPV vaccine availability at IBB university.
Assuntos
Condiloma Acuminado , Infecções por Papillomavirus , Autorrelato , Estudantes , Humanos , Estudos Transversais , Masculino , Feminino , Condiloma Acuminado/epidemiologia , Condiloma Acuminado/virologia , Nigéria/epidemiologia , Universidades , Adulto , Adulto Jovem , Infecções por Papillomavirus/epidemiologia , Infecções por Papillomavirus/virologia , Conhecimentos, Atitudes e Prática em Saúde , Adolescente , Inquéritos e Questionários , Comportamento Sexual/estatística & dados numéricos , Genótipo , Fatores de Risco , Papillomaviridae/genética , Papillomaviridae/classificaçãoRESUMO
Background: Condyloma acuminatum (CA) is caused by low-risk human papillomavirus, and is characterized by high recurrence after treatment. The RNA modification N6-methyladenosine (m6A) plays an important role during diverse viral infections, including high-risk HPV infection in cervical cancer. However, it is unclear whether low-risk HPV infection changes the RNA m6A methylation in CA. Methods: High-throughputm6A-sequencing was performed to profile the transcriptome-wide mRNA modifications of CA tissues infected by LR-HPVs and the paired normal tissues from CA patients. We further investigated the regulation of alternative splicing by RNA binding proteins (RBPs) with altered m6A modification and constructed a regulatory network among these RBPs, regulated alternative splicing events (RASEs) and regulated alternative splicing genes (RASGs) in CA. Results: The results show that the m6A level in CA tissues differed from that in the paired controls. Furthermore, cell cycle- and cell adhesion- associated genes with m6A modification were differentially expressed in CA tissues compared to the paired controls. In particular, seven RNA binding protein genes with specific m6A methylated sites, showed a higher or lower expression at the mRNA level in CA tissues than in the paired normal tissues. In addition, these differentially expressed RNA binding protein genes would regulate the alternative splicing pattern of apoptotic process genes in CA tissue. Conclusions: Our study reveals a sophisticated m6A modification profile in CA tissue that affects the response of host cells to HPV infection, and provides cues for the further exploration of the roles of m6A and the development of a novel treatment strategy for CA.
Assuntos
Processamento Alternativo , Condiloma Acuminado , Proteínas de Ligação a RNA , Humanos , Processamento Alternativo/genética , Condiloma Acuminado/genética , Condiloma Acuminado/virologia , Condiloma Acuminado/metabolismo , Condiloma Acuminado/patologia , Proteínas de Ligação a RNA/genética , Proteínas de Ligação a RNA/metabolismo , Feminino , Adenosina/análogos & derivados , Adenosina/metabolismo , Metilação , Adulto , Masculino , RNA Mensageiro/genética , RNA Mensageiro/metabolismo , Transcriptoma , Infecções por Papillomavirus/genética , Infecções por Papillomavirus/virologia , Infecções por Papillomavirus/patologia , Metilação de RNARESUMO
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.
Assuntos
Infecções por Papillomavirus , Neoplasias do Colo do Útero , Humanos , Feminino , Infecções por Papillomavirus/epidemiologia , Infecções por Papillomavirus/virologia , China/epidemiologia , Prevalência , Neoplasias do Colo do Útero/virologia , Neoplasias do Colo do Útero/epidemiologia , Papillomaviridae/genética , Papillomaviridae/classificação , Genótipo , Neoplasias Vaginais/virologia , Neoplasias Vaginais/epidemiologia , Condiloma Acuminado/virologia , Condiloma Acuminado/epidemiologiaRESUMO
Anal intraepithelial neoplasia (AIN) are precancerous lesions and are sequela of human papilloma virus (HPV) infection. AIN is classified as low-grade squamous intraepithelial lesion or high-grade squamous intraepithelial lesion. Screening with anal cytology and anoscopy should be considered for high-risk populations. Diagnosis is made through high resolution anaoscopy and biopsy. Options for treatment include ablation and several topical therapies; however, recurrence rates are high for all treatment options, and an ongoing surveillance is necessary to prevent progression to anal squamous cell carcinoma. HPV vaccination is recommended to prevent disease.
Assuntos
Neoplasias do Ânus , Condiloma Acuminado , Infecções por Papillomavirus , Humanos , Neoplasias do Ânus/diagnóstico , Neoplasias do Ânus/terapia , Neoplasias do Ânus/patologia , Neoplasias do Ânus/virologia , Carcinoma in Situ/diagnóstico , Carcinoma in Situ/terapia , Carcinoma in Situ/patologia , Carcinoma in Situ/virologia , Condiloma Acuminado/diagnóstico , Condiloma Acuminado/terapia , Condiloma Acuminado/virologia , Infecções por Papillomavirus/complicações , Infecções por Papillomavirus/diagnóstico , Lesões Pré-Cancerosas/diagnóstico , Lesões Pré-Cancerosas/patologia , Lesões Pré-Cancerosas/terapia , Lesões Pré-Cancerosas/virologia , Lesões Intraepiteliais Escamosas/diagnóstico , Lesões Intraepiteliais Escamosas/patologia , Lesões Intraepiteliais Escamosas/virologiaRESUMO
Condyloma acuminatum (CA) is a prevalent sexually transmitted disease caused by low-risk human papillomavirus infection, characterized by high transmission and recurrence rates. Long non-coding RNAs (lncRNAs) play a crucial role in regulating gene transcription and are involved in various biological processes. Although recent studies have demonstrated the involvement of lncRNAs in cervical cancer, their expression profile and function in CA remain poorly understood. In this study, we aimed to identify messenger RNA (mRNA) and lncRNA expression patterns in CA using high-throughput lncRNA sequencing. We found that 3033 differentially expressed genes (DEGs) and 1090 differentially expressed lncRNAs (DELs) were significantly altered in CA compared to healthy controls. The results from quantitative reverse transcription polymerase chain reaction and immunohistochemical staining are in accordance with the observed trends in the sequencing data. Functional enrichment analysis revealed that upregulated DEGs in CA were involved in biological processes such as virus response, immune response, cell cycle regulation, the tumor necrosis factor signaling pathway, and the P53 signaling pathway. Co-expression network analysis identified potential target genes of DELs, with enrichment in biological processes such as cell differentiation, the intrinsic apoptotic signaling pathway, and pathways such as virus infection, pathways in cancer, T helper 17 cell differentiation, the mitogen-activated protein kinase signaling pathway, and the Wnt signaling pathway. Collectively, our findings indicate significant changes in the transcriptome profile, including mRNAs and lncRNAs, in CA compared to healthy controls. Our study provides new insights into the potential functions of lncRNAs in the pathogenesis of CA and identifies potential therapeutic targets for this disease.
Assuntos
Condiloma Acuminado , Perfilação da Expressão Gênica , RNA Longo não Codificante , RNA Mensageiro , Humanos , RNA Longo não Codificante/genética , RNA Longo não Codificante/metabolismo , RNA Mensageiro/metabolismo , RNA Mensageiro/genética , Condiloma Acuminado/genética , Condiloma Acuminado/virologia , Feminino , Masculino , Adulto , Redes Reguladoras de Genes , Estudos de Casos e Controles , Pessoa de Meia-IdadeRESUMO
BACKGROUND: Human papillomavirus (HPV) is an oncogenic virus and the commonest sexually transmitted pathogen worldwide. Appropriate sampling is an important factor in infection management. This study aimed to compare the efficacy of cotton swabs (CS) and nylon-flocked swabs (NFS) in sampling for HPV-DNA PCR testing in male patients with genital warts. METHODS: The study included men with genital warts who presented to the urology outpatient clinic of Antalya Medical Park Hospital. Before wart treatment, multisite sampling of the penis and genital area was performed separately with CS and NFS. The samples were analyzed for HPV-DNA using real-time PCR. RESULTS: The study included 45 men with a mean age of 32.1 ± 8.6 years. At least one HPV type was detected in all 45 patients with NFS sampling and 44 patients with CS sampling (total HPV types detected: 106 and 84, respectively). NFS sampling detected 52 high-risk HPV types in 37 of the 45 patients, while CS sampling detected 37 high-risk types in 19 patients (p = 0.029). NFS sampling also detected a total of 54 low-risk HPV types in all 45 patients, versus 47 low-risk HPV types in 41 patients with CS sampling. Multiple HPV types were detected in 30 patients with NFS and 17 patients with CS (p = 0.001). CONCLUSION: NFS were more effective than CS for HPV-DNA testing in men with genital warts. NFS were superior to CS in detecting multiple-type HPV infection and high-risk HPV types. The use of NFS should be recommended for HPV-DNA PCR testing in men.
Assuntos
Condiloma Acuminado , Nylons , Manejo de Espécimes , Humanos , Masculino , Adulto , Manejo de Espécimes/métodos , Condiloma Acuminado/virologia , Condiloma Acuminado/diagnóstico , Infecções por Papillomavirus/diagnóstico , Infecções por Papillomavirus/virologia , Fibra de Algodão , Adulto Jovem , Papillomaviridae/isolamento & purificação , Papillomaviridae/genética , DNA Viral/análise , DNA Viral/isolamento & purificação , Pessoa de Meia-Idade , Reação em Cadeia da Polimerase em Tempo Real/métodosRESUMO
Condyloma acuminatum (CA) is a sexually transmitted disease (STD) caused by human papillomavirus (HPV) infection. It is important to study the prevalence and distribution of HPV genotypes before implementing the HPV vaccination program. Therefore, the aim of this study was to evaluate the epidemiological characteristics of CA cases and the distribution of HPV genotypes in Shandong Province, China. One-to-one questionnaire surveys were conducted on all patients diagnosed with CA in sentinel hospitals from Shandong Province, China. HPV genotypes were determined using the polymerase chain reaction (PCR)-reverse dot blot hybridization method. The study enrolled 1185 patients (870 males and 315 females) and found that CA patients are mainly males and sexually active people between the ages of 20 and 40. Recurrence occurred in 34.7% patients. Among the 880 CA patients who underwent HPV typing, the HPV test positivity rate was 91.4%. In these cases, low-risk (LR) HPV infection was predominant, with an infection rate of 91.3%, while high-risk (HR) HPV genotypes were found in 53.5% patients. The most frequent HPV genotypes encountered were HPV6 (57.8%), HPV11 (37.2%), HPV16 (13.7%), and HPV42 (10.3%). HPV6 and/or HPV11 are the main infections in all patients, and more than half of the patients are coinfected with HR-HPV. However, unlike other regions, HPV42 has a higher prevalence rate among CA patients in Shandong Province and is a nonvaccine HPV genotype. Therefore, regular HPV typing helps to understand the characteristics of specific genotypes and the choice of the best type for vaccine coverage.
Assuntos
Condiloma Acuminado , Papillomavirus Humano , Condiloma Acuminado/epidemiologia , Condiloma Acuminado/virologia , Humanos , China/epidemiologia , Genótipo , Masculino , Feminino , Adulto Jovem , Adulto , Papillomavirus Humano/genética , Papillomavirus Humano/isolamento & purificação , PrevalênciaRESUMO
OBJECTIVE: Human papillomavirus type 6 (HPV6) is the major etiological agent of anogenital warts both men and women. However, there is limited data on its genomic characterization in mainland China. The aim of this study was to understand the complete genomic diversity of HPV6 from patients with condyloma acuminatum (CA) and to explore the prevalence of different variant lineages/sublineages in eastern China. METHODS: CA samples were collected in 3 hospitals in Shandong Province, China from January 2020 to March 2021. DNA extraction, PCR amplification, Sanger sequencing and sequence assembly were performed on HPV6-positive samples. The complete genomes obtained in this study were analyzed phylogenetically with global HPV6 sequences in GenBank database using MEGA 11. RESULTS: A total of 55 complete genomic sequences of HPV6 were obtained in this study. They were classified as HPV6 variant lineage A (n = 20), sublineage B1 (n = 34) and sublineage B3 (n = 1) by phylogenetic analysis. Sequence alignment showed E1, E5A, E5B, L1, L2, LCR were relatively highly variable regions for sublineage B1 whereas E1, E5A, L2 for lineage A. Both phylogenetic trees of lineage A and sublineage B1 composed of two main branches. Chinese sequences of lineage A segregated into the major branch while those in sublineage B1 belonged to both branches. Genomic divergence between sequences from China and other countries was 0.00% - 0.33% in lineage A and 0.00% - 0.40% in sublineage B1. CONCLUSIONS: This is the first study on HPV variant lineages circulating in mainland China. The results revealed that lineage A and sublineage B1 were prevalent and they had different highly variable regions. Further surveillance is needed to understand the dynamic change of different variants in the population.
Assuntos
Condiloma Acuminado/virologia , Variação Genética , Genoma Viral , Papillomavirus Humano 6/genética , Infecções por Papillomavirus/virologia , Adulto , Feminino , Humanos , Masculino , Pessoa de Meia-Idade , Adulto JovemRESUMO
OBJECTIVE: The objective of this study was to discover the possible correlation between p16INK4A expression and the LR/HR-HPV infection in condyloma acuminate (CA) lesions. MATERIALS AND METHOD: This cross-sectional study was conducted during January-December 2017 on 33 CA patients. The expression of p16INK4A was detected by immunohistochemistry (IHC) staining. The positive interpretation was carried out by scoring which score 0 was negative, score 1 was sporadic, score 2 was focal, and score 3 was diffuses. The HPV genotypes were identified by reverse line blot, and 40 genotypes of HPV detected, including HR-HPV (HPVs 16, 18, 26, 31, 33,35, 39, 45, 51, 52, 53, 56, 58, 59, 66, 67, 68a, 68b, 69, 73, and 82) and LR-HPV (HPVs 6, 11, 40, 42, 43, 44, 54, 55, 61, 62, 64, 70, 71, 72, 81, 83, 84, 87, 89, and 90). RESULTS: The expression of p16INK4A was significantly correlated with HR-HPV infection. Patients infected with HR-HPV had 0.644 times higher possibility to express p16INK4A gene compared to those infected with LR-HPV. LR-HPV genotypes detected in CA patients were HPVs 6, 11, 42, 61, 54, 81, 87, 89, and 90 and HR-HPV genotypes were HPVs 18, 26, 45, 51, 52, 67, 68B, 69, and 82. LR-HPV was found in 19/33 of patients and HR-HPV was in 14/33 of patients. The expression of p16INK4A in CA lesions was diffuse in15.2% of patients, was focal in 24.2% of patients , was sporadic in 39.4% of patients were, and was negative in 21.2% of patients . In LR-HPV group, there was no diffuse expression, focal expression was observed in 15.8%, sporadic in 47.4%, and negative in 36.8%, while in HR-HPV group, p16INK4A expression was detected in all lesions , in a way that its expression was diffuse in 35.7%, focal in 35.7%, and sporadic in 28.6%. CONCLUSION: IHC is a routine method in histopathological diagnosis, therefore the detection of p16INK4A expression by IHC can be used as a biomarker for HR-HPV infection diagnosis.
Assuntos
Condiloma Acuminado/virologia , Inibidor p16 de Quinase Dependente de Ciclina/metabolismo , Papillomaviridae/genética , Infecções por Papillomavirus/diagnóstico , Adolescente , Adulto , Biomarcadores/metabolismo , Condiloma Acuminado/epidemiologia , Condiloma Acuminado/metabolismo , Condiloma Acuminado/patologia , Estudos Transversais , Inibidor p16 de Quinase Dependente de Ciclina/genética , Feminino , Expressão Gênica , Genótipo , Humanos , Imuno-Histoquímica , Masculino , Pessoa de Meia-Idade , Infecções por Papillomavirus/complicações , Risco , Distribuição por Sexo , Parceiros Sexuais/classificação , Sexualidade/estatística & dados numéricos , Adulto JovemRESUMO
INTRODUCTION: Human papillomavirus (HPV) is the most common sexually transmitted infection agent worldwide and, with high-risk (HR) HPV genotypes, is the main factor for development of cervical cancer. This study aimed to assess the prevalence of HPV and distribution of HR-HPV genotypes in cervical swab samples and compare them with demographic and clinical data. METHODOLOGY: Cervical swab samples of 2,285 women between the age of 17 and 76 were assessed between January 2018 and October 2020 in order to obtain the data of Turkey. Fifteen different HR-HPV genotypes were determined using multiplex real-time polymerase chain reaction test. RESULTS: HPV was positive in 36.3% (829/2,285) of DNA samples. Prevalence of multiple HR-HPV infection was 40.7%. Of the women, 30.9% (256/829) were infected with HPV16, 14.6% (121/829) with HPV39, and 14.2% (118/829) with HPV51. The most frequently detected genotypes with HPV16 were HPV31, HPV39 and HPV52, respectively. In women with cervical dysplasia, HPV16, 31, and 39 were the most common, and in women with genital warts, HPV16, 59 and 66 were most common, respectively. The highest HR-HPV prevalence was detected in the 17-34 age group (44.1%) (p < 0.001). CONCLUSIONS: The prevalence of HR-HPV was 36.3% in this study. High prevalence (44.1%) especially in young women was consistent with findings in literature. The most common HR-HPV genotypes were HPV16, 39 and 51, respectively. Determining the prevalence and genotypes of HR-HPV playing role in the etiology of cervical cancer will be guiding for measures on prevention of cervical cancer and research on preventive vaccines.
Assuntos
Condiloma Acuminado/epidemiologia , Displasia do Colo do Útero/epidemiologia , Neoplasias do Colo do Útero/epidemiologia , Adolescente , Adulto , Condiloma Acuminado/virologia , Estudos Transversais , Feminino , Humanos , Pessoa de Meia-Idade , Papillomaviridae/isolamento & purificação , Prevalência , Estudos Retrospectivos , Turquia/epidemiologia , Displasia do Colo do Útero/virologia , Neoplasias do Colo do Útero/virologia , Esfregaço Vaginal/estatística & dados numéricos , Adulto JovemRESUMO
Human papillomavirus (HPV) types 6 and 11 were detected in a 3-year-old girl with extensive anogenital condylomata. Although sexual abuse must be considered, non-sexual transmission is evident in at least 57% of children with anogenital warts. Perinatal transmission may occur in approximately 24.5% of infants born to HPV-positive mothers. We present an immunosuppressed child with giant condylomata and discuss transmission, work up, and treatment.
Assuntos
Doenças do Ânus , Condiloma Acuminado , Papillomavirus Humano 6/isolamento & purificação , Transplante de Fígado , Doenças da Vulva , Doenças do Ânus/patologia , Doenças do Ânus/terapia , Doenças do Ânus/virologia , Pré-Escolar , Condiloma Acuminado/patologia , Condiloma Acuminado/terapia , Condiloma Acuminado/virologia , DNA Viral/isolamento & purificação , Feminino , Papillomavirus Humano 11/genética , Papillomavirus Humano 11/isolamento & purificação , Papillomavirus Humano 6/genética , Humanos , Hospedeiro Imunocomprometido , Doenças da Vulva/patologia , Doenças da Vulva/terapia , Doenças da Vulva/virologiaRESUMO
BACKGROUND: Condylomata acuminata, commonly known as genital wart is a sexually transmitted disease caused by Human Papillomavirus (HPV). The positivity of HPV6/11 in condylomata acuminata in western literature varies from 80-90% however, there is a paucity of Indian literature. AIM: The aim of the present study was to determine the role of HPV 6 & 11 in Condylomata acuminata in Indian patients. METHODS: A total of 22 formalin fixed parafilm embedded (FFPE) tissue was collected from the cases of condylomata acuminata which was histologically diagnosed and was used to detect HPV 6 and 11 by PCR. RESULTS: Of these 14/22 patients (63.6%) were positive for HPV 6 or 11; HPV 6 alone in eight (36.3%) and HPV 11 in six (27.2%). CONCLUSION: The high HPV 6 and 11 PCR positivity suggests their definitive role in causation of condylomas cases. This important HPV infection is preventable by prophylactic vaccination.
Assuntos
Condiloma Acuminado/epidemiologia , Condiloma Acuminado/virologia , Papillomavirus Humano 6/patogenicidade , Papillomaviridae/patogenicidade , Adolescente , Adulto , Idoso , Idoso de 80 Anos ou mais , Biópsia , Condiloma Acuminado/etnologia , DNA Viral , Feminino , Formaldeído , Papillomavirus Humano 6/genética , Humanos , Índia/epidemiologia , Masculino , Pessoa de Meia-Idade , Papillomaviridae/classificação , Papillomaviridae/genética , Infecções por Papillomavirus/epidemiologia , Infecções por Papillomavirus/virologia , Inclusão em Parafina , Pele/patologia , Pele/virologia , Adulto JovemRESUMO
Interaction of the long control region (LCR) and the E2 protein of HPV11s was studied by in silico modelling and in vitro functional analysis. Genomes of HPV11s from fifteen (six known and nine novel) patients (two solitary papillomas, eleven respiratory papillomatoses of different severity, one condyloma acuminatum and one cervical atypia) were sequenced; E2 polymorphisms were analysed in silico by protein modelling. E2 and LCR variants were cloned into pcDNA3.1+ expression vector and into pALuc reporter vector, respectively, transfected to HEp2 cells alone or in different combinations and the luciferase activity was measured. In the E2, the ubiquitous polymorphism K308R caused stronger binding between the dimers but did not alter DNA binding; E2s with this polymorphism were significantly less efficient than the reference in promoting LCR activity. The unique polymorphism Q86K changed the negative surface charge of E2 (Q86) to positive (K86). The unique polymorphisms S245F and N247T in the hinge region disrupt a probable phosphorylation site in a RXXS motif targeted by protein kinase A and B, but do not affect directly the amino acids critical to nuclear transport. Both unique patterns partly restored the LCR activating potential disrupted by K308R. A unique E2/E4 ORF with a 58-bp deletion leading to a frameshift and an early stop codon resulted in a practically nonfunctional E2, and was associated with a papillomatosis with dysplasia. When testing existing LCR-E2 combinations, LCR with intrinsically lower enhancer capacity was only marginally activated by its E2 (R308 and the deletion mutant), and did not significantly exceed the activity of the reference LCR without E2. Combined with more potent LCRs associated with more severe disease, the activity was significantly higher, but still significantly lower than LCRs with reference E2. In summary, LCR-E2 interaction determined by their polymorphisms may explain, at least partly, differences in disease severity.
Assuntos
Papillomavirus Humano 11/genética , Papiloma/virologia , Infecções por Papillomavirus/virologia , Polimorfismo Genético , Proteínas Virais/genética , Condiloma Acuminado/virologia , Feminino , Humanos , Masculino , Infecções Respiratórias/virologia , Índice de Gravidade de DoençaRESUMO
Condyloma acuminatum, which is caused by low-risk human papillomavirus (lrHPV) infection, is one of the most common sexually transmitted diseases. Autophagy is thought to be associated with condyloma acuminatum, but how the autophagy process is regulated remains unclear. MicroRNAs (miRNAs) are important regulators of gene transcription that play a central role in many biological processes, including autophagy and viral infection. This study was designed to identify autophagy-related miRNAs and their targets in condyloma acuminatum and to validate their expression. The levels of the autophagy proteins microtubule-associated protein 1 light chain 3 (LC3) and P62/SQSTM1 (P62) were abnormally increased in the local lesion tissue of condyloma acuminatum patients compared with healthy controls. MiRNAs and their target mRNAs in condyloma acuminatum patients were analyzed by bioinformatics. Eighty-one differentially expressed miRNAs were identified, of which 56 were downregulated and 25 were upregulated. Two of the differentially expressed miRNAs associated with autophagy, miRNA-30a-5p and miRNA-514a-3p, were analyzed further, and their target genes were identified as autophagy-related protein (Atg) 5 and Atg12 and Atg3 and Atg12, respectively. The expression levels of miRNA-30a-5p and miRNA-514a-3p were decreased and those of Atg5, Atg12 and Atg3 were increased in condyloma acuminatum patients compared with healthy controls. In addition, miRNA-30a-5p and miRNA-514a-3p expression correlated with the proliferation index Ki-67 in condyloma acuminatum. Taken together, our results suggest that the changes in autophagy levels in patients with condyloma acuminatum may be related to the changes in miRNA-30a-5p and miRNA-514a-3p expression. This study provides a theoretical basis for identifying new mechanisms that link miRNAs, HPV infection and host autophagy in vivo.
Assuntos
Autofagia/genética , Condiloma Acuminado/fisiopatologia , Doenças Genitais/fisiopatologia , MicroRNAs/metabolismo , Infecções por Papillomavirus/fisiopatologia , Adulto , Condiloma Acuminado/virologia , Regulação para Baixo , Feminino , Doenças Genitais/virologia , Humanos , Masculino , Pessoa de Meia-Idade , Papillomaviridae/fisiologia , Infecções por Papillomavirus/virologia , Adulto JovemRESUMO
Importance: In the US, incidence of and mortality due to anal carcinoma are rising faster than for most other cancers. Identifying populations who have a higher risk of developing anal cancers is critical to target preventive interventions. Objective: To assess the risk of developing anal carcinoma in adults living with HIV who have a history of anogenital warts. Design, Setting, and Participants: This longitudinal cohort study included adults living with HIV from 14 clinics in Washington, DC, and at least 18 months of follow-up. Data were collected from January 1, 2011, to March 31, 2017, and analyzed from June 1, 2019, to October 31, 2020. Exposures: Development of warts in the anal or genital region identified by diagnosis codes. Main Outcomes and Measures: Individuals with anal carcinoma were identified by diagnosis codes or anal biopsy results. Results: A total of 6515 participants were enrolled (4720 male [72.4%] at birth; mean [SD] age, 49.9 [12.7] years), and 383 (5.9%) developed anogenital warts during the study period. Patients who were diagnosed with anogenital warts were more likely to subsequently develop anal carcinoma (17 of 383 [4.4%]) compared with participants without a history of anogenital warts (17 of 6132 [0.3%]) (P < .001). After adjusting for covariates, the odds of developing anal carcinoma were 12.79 (95% CI, 6.19-26.45; P < .001) times higher in individuals with a history of anogenital warts compared with individuals without a history of anogenital warts. Conclusions and Relevance: These findings suggest that adults living with HIV who have a history of anogenital warts have a substantially increased risk of developing anal carcinoma. Clinicians should counsel individuals living with HIV who have anogenital warts on this risk.
Assuntos
Doenças do Ânus/complicações , Neoplasias do Ânus/epidemiologia , Condiloma Acuminado/complicações , Infecções por HIV/complicações , Adolescente , Adulto , Idoso , Doenças do Ânus/diagnóstico , Doenças do Ânus/virologia , Neoplasias do Ânus/etiologia , Estudos de Coortes , Condiloma Acuminado/diagnóstico , Condiloma Acuminado/virologia , Feminino , Seguimentos , Humanos , Incidência , Estudos Longitudinais , Masculino , Pessoa de Meia-Idade , Adulto JovemAssuntos
Carcinoma Verrucoso/patologia , Carcinoma Verrucoso/virologia , Condiloma Acuminado/complicações , Cistos/patologia , Cistos/virologia , Papillomavirus Humano 6 , Doenças do Pênis/patologia , Doenças do Pênis/virologia , Adulto , Condiloma Acuminado/virologia , Papillomavirus Humano 6/isolamento & purificação , Papillomavirus Humano 6/patogenicidade , Humanos , MasculinoAssuntos
Neoplasias do Ânus/virologia , Carcinoma de Células Escamosas/virologia , Condiloma Acuminado/virologia , Papillomavirus Humano 16/genética , Infecções por Papillomavirus/virologia , Adulto , Negro ou Afro-Americano/estatística & dados numéricos , Canal Anal/patologia , Canal Anal/virologia , Neoplasias do Ânus/diagnóstico , Neoplasias do Ânus/patologia , Carcinoma de Células Escamosas/diagnóstico , Carcinoma de Células Escamosas/patologia , Condiloma Acuminado/diagnóstico , Condiloma Acuminado/patologia , DNA Viral/genética , DNA Viral/isolamento & purificação , Feminino , Técnicas de Genotipagem , Papillomavirus Humano 16/isolamento & purificação , Humanos , Masculino , Pessoa de Meia-Idade , Infecções por Papillomavirus/diagnóstico , Infecções por Papillomavirus/patologia , Estudos Retrospectivos , Fatores de RiscoRESUMO
The treatment of condyloma is generally a challenge in clinical practice. Although the spontaneous resolution rate is high, a significant proportion of patients seek treatment, not because of symptomatology, but mainly for aesthetic issues and concerns related to the transmission or worsening of existing lesions. The available treatments should be applied only for clinically evident macroscopic lesions. Ideally, available therapies should have rapid action onset and clearance, resolve symptoms, reduce recurrence rate and viral load, be effective in treating small lesions, and be well tolerated. However, none of the currently available treatments is clearly more effective than the others and there is no ideal treatment for all patients or for all condyloma. Therefore, the therapeutic decision should be based on the clinician's experience, available resources, lesion morphology, size, number and location, primary or recurrent lesions, disease severity, patient preference and expectations, patient's immune competence, convenience, tolerance, cost of treatment and results of previous therapies. The available treatments are divided into three groups: applied by the patient himself (imiquimod 3.75 or 5%, podophyllotoxin .5%, synecatekines 10% or 15%), applied by the health care provider (bi- and tricloacetic acids 80%-90%, intralesional interferon alpha, cryotherapy, surgical removal, electrofulguration, laser ablation) and experimental or alternative therapies (topical cidofovir, intralesional bleomycin, photodynamic therapy). Treatment methodologies can be further divided into their action - ablative or destructive treatment (cryotherapy, electrofulguration, laser ablation, surgical excision), cytotoxic or proapoptotic treatments (podophyllotoxin .5%, 5-fluoruracil, bleomycin) and immunomodulatory treatments (imiquimod 3.75% or 5%, synecatekines 10% or 15%, intralesional interferon alpha). The overall success rate of the various treatments available ranges from 23% to 94%. Only treatments that include cryotherapy or surgical excision are suitable in condyloma with any anatomical location and that have the highest success rate in monotherapy. Recurrences are common regardless of the treatment received. In contrast, immunomodulatory therapies despite having lower initial clearance rates appear to have higher probabilities of cure in the medium term, with low recurrence rates. Some treatments may be combined with each other and the effectiveness of combined therapies appears to be superior to monotherapy (proactive sequential treatment). The consensuses for the treatment of HPV also consider special situations: immunocompromised patients, meatus and intraurethral lesions and treatment of the partner.
Assuntos
Andrologia/normas , Antivirais/uso terapêutico , Condiloma Acuminado/terapia , Crioterapia , Fatores Imunológicos/uso terapêutico , Infecções por Papillomavirus/terapia , Verrugas/tratamento farmacológico , Adjuvantes Imunológicos/uso terapêutico , Aminoquinolinas/uso terapêutico , Antimetabólitos/uso terapêutico , Condiloma Acuminado/virologia , Consenso , Tomada de Decisões , Humanos , Interferons/uso terapêutico , Ceratolíticos/uso terapêutico , Infecções por Papillomavirus/virologia , Podofilina/uso terapêutico , Podofilotoxina/uso terapêutico , Portugal , Guias de Prática Clínica como AssuntoRESUMO
BACKGROUND: The impact of human papillomavirus (HPV) on male fertility and associated reproductive outcomes has not been clarified. OBJECTIVES: To elucidate the prevalence of seminal HPV infection and assess the associated effects on seminal parameters, male infertility, and reproductive outcomes. MATERIALS AND METHODS: A systematic review and meta-analysis was performed in accordance with PRISMA guidelines. A search was performed using PubMed, MEDLINE, SCOPUS, and Cochrane databases. Studies published until November 2019 were included. HPV prevalence, risk of infertility, seminal parameters, and reproductive outcomes were evaluated among the general population and infertile men. RESULTS: Fifty studies met the inclusion criteria. The prevalence of seminal HPV infection is significantly higher in infertile compared to the general population (20.9% versus 8.2%). A significant association between seminal HPV infection and male infertility (OR 3.30, 95% CI 1.87-5.84), even when adjusting for female infertility (OR 3.02, 95% CI = 2.11-4.33) was founded. In addition, HPV infection is related to a significant decrease in progressive motility (DM -10.35, IC -13.75, -6.96), a low sperm morphology score (DM -2.46, 95% CI -3.83, -1.08), and a significant increase in the sperm DNA fragmentation index (7.24, 95% CI 4.44.10.03) compared with HPV-negative patients. It was also observed an increased risk of miscarriage (OR 5.13, 95% CI 2.40,10.94), and a reduced chance of ongoing pregnancy (OR 0.33, IC 95% 0.13,0,82) in patients undergoing ART with seminal HPV infection. DISCUSSION: Infertile men have a higher prevalence of seminal HPV infection compared to the general population, regardless of the HPV genotype detected. CONCLUSIONS: HPV in semen may have an impact in sperm quality and reproductive outcomes. Additional well-designed studies are warranted to improve the quality of evidence.