Human papillomaviruses

人乳头瘤病毒
  • 文章类型: Journal Article
    性和性亲密是癌症生存的重要方面。在头颈癌(HNC)中,对性健康的担忧,性和性亲密很少在标准的HNC咨询中提出或解决,在开始治疗之前或在生存期间。HNC患者的人口结构变化,很大程度上是由于人乳头瘤病毒相关口咽鳞状细胞癌(HPVOPSCC)患者的比例增加,引起了人们对一些特定生存问题的新兴趣,包括性行为和生活方式,这可能是HPV传播的主要方式以及受这种疾病影响的较年轻和较少共病的人群。虽然HNC幸存者在短期和长期内可能有许多复杂的需求,一些患者可能优先考虑保留性功能,而不是其他更多的HNC特异性问题,如吞咽和口干症。超越HPVOPSCC,有证据表明,性健康受损是所有HNC癌症类型中普遍存在的生存问题,这篇叙述性综述文章重点介绍了报告HNC患者性健康结局定量评估的出版物。也有有限的研究评估当前的性健康护理模式是否适合HNC患者,或者是否需要新的或适应的模式。未来的研究还需要确定我们的治疗方法对特定HNC队列的性行为和性亲密关系的影响,并具有更多的粒度,以增强治疗前和治疗后的咨询。
    Sexuality and sexual intimacy are important aspects of cancer survivorship. In head and neck cancer (HNC), concerns around sexual health, sexuality and sexual intimacy are infrequently raised or addressed in standard HNC consultations, either before embarking on treatment or during survivorship. The changing demographic of HNC patients, largely due to the increasing proportion of patients with human papillomavirus-associated oropharyngeal squamous cell carcinoma (HPVOPSCC), has driven renewed interest in some specific survivorship issues, including sexual behaviours and lifestyles, which may account for both the primary mode of HPV transmission and the younger and less comorbid population affected by this disease. While HNC survivors may have many complex needs in the short and longer term, some patients may prioritise preserving sexual function above other more HNC-specific issues, such as swallowing and xerostomia. Beyond HPVOPSCC, there is evidence to suggest that impairment of sexual health is a pervasive survivorship issue across all HNC cancer types, and this narrative review article highlights publications reporting quantitative assessments of sexual health outcomes in HNC patients. There are also limited studies evaluating whether current sexual health models of care are adequate for HNC patients or whether new or adapted models are needed. Future research will also need to define the impact of our treatments on the sexuality and sexual intimacy concerns of specific HNC cohorts with more granularity to enhance pre- and post-treatment counselling.
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  • 文章类型: Journal Article
    建议在全世界15岁以下的青少年中常规使用人乳头瘤病毒(HPV)疫苗。尽管如此,有效的程序在几个因素上仍然是次优的,制定世卫组织根除宫颈癌公共卫生的战略,前景不明朗。
    为了回顾有关有效性的文献,长期保护,以及HPV疫苗接种计划和疫苗接种作为辅助管理的安全性。这篇综述旨在描述疫苗接种计划的现状,并展示全球范围内针对少女实施的疫苗的长期保护和安全性。与最近发表的三种预防性HPV疫苗的证据-二价(bHPV),四价(qHPV),和非单价(nHPV)-。我们主要关注评估疗效的出版物,给药方案,和HPV疫苗接种,以及来自多个国家的预防性HPV疫苗在现实生活中的有效性越来越多的证据的研究。
    人乳头瘤病毒疫苗接种计划在预防HPV相关疾病方面取得了显著进展;疫苗接种力度较大的国家已经见证了HPV相关疾病的大幅减少,高度宫颈异常和生殖器疣的减少(54%-83%)。然而,全球覆盖面仍然不均衡,高收入国家(HIC)和低收入国家(LMIC)之间的差距。可用的人乳头瘤病毒(HPV)的长期疗效高达9.4年,并继续具有免疫原性和良好的耐受性,具有出色的安全性。
    由于这些是HPV疫苗接种的重要主题,建立持续监测疫苗免疫原性的系统至关重要,功效,和安全随着时间的推移。
    UNASSIGNED: Routine use of human papillomavirus (HPV) vaccines is recommended in adolescents under 15 years of age worldwide. Still, effective programs remain suboptimal for several factors, making the WHO strategy to eradicate cervical cancer public health with an uncertain future.
    UNASSIGNED: To review the literature on the effectiveness, long-term protection, and safety of HPV vaccination programs and vaccination as adjuvant management. This review aims to describe the current state of vaccination programs and demonstrate the long-term protection and safety of vaccines implemented worldwide targeting adolescent girls, with the most recent published evidence of the three prophylactic HPV vaccines - bivalent (bHPV), quadrivalent (qHPV), and nonavalent (nHPV)-. We mainly focus on publications evaluating efficacy, dosing schemes, and HPV vaccination, as well as studies contributing to the mounting evidence for the real-life effectiveness of prophylactic HPV vaccines from several countries.
    UNASSIGNED: Human Papillomavirus vaccination programs have made remarkable strides in preventing HPV-related diseases; countries with robust vaccination efforts have witnessed substantial reductions in HPV-related diseases with a decline in high-grade cervical abnormalities and genital warts (54%-83%). However, global coverage remains uneven, with disparities between high-income (HICs) and low-income countries (LMICs). The long-term efficacy of the available human papillomavirus (HPV) goes up to 9.4 years and continues to be immunogenic and well tolerated with an excellent safety profile.
    UNASSIGNED: As these are crucial topics in HPV vaccination, it is essential to establish systems for continued monitoring of vaccine immunogenicity, efficacy, and safety over time.
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  • 文章类型: Journal Article
    宫颈癌是由高危型人乳头瘤病毒(HR-HPV)感染引起的。它是埃塞俄比亚和全球癌症相关死亡的主要原因之一。为了开发有效的疫苗接种和基于HPV的宫颈癌筛查方法,关于HPV基因型分布的数据至关重要。因此,本研究旨在回顾埃塞俄比亚的HPV基因型分布.
    使用来自PubMed/Medline和SCOPUS的综合搜索字符串系统地搜索研究文章。此外,谷歌学者被手动搜索灰色文献。最后一次搜索是在2021年8月18日进行的。前两位作者独立评估了研究的科学质量,并使用Excel表格提取了数据。汇集的HPV基因型分布以描述性统计呈现。
    我们纳入了2005年和2019年来自全国不同地区的10项研究。这些研究包括3633名患有不同类型宫颈异常的女性,报告了29种不同的HPV基因型和1926种序列。高风险的比例,可能/可能的高风险和低风险HPV为1493(77.5%),182(9.4%)和195(10.1%),分别。在报告的基因型中,前五名是HPV16(37.3%;95%CI35.2.1-39.5%),HPV52(6.8%;95%CI5.8-8.0%),HPV35(4.8%;95%CI3.9-5.8%),HPV18(4.4%;95%CI3.5-5.3%)和HPV56(3.9%:95%CI3.1-4.9%)。其他一些HR-HPV组包括HPV31(3.8%),HPV45(3.5%),HPV58(3.1%),HPV59(2.3%),和HPV68(2.3%)。在高风险类型中,HPV16/18的合并患病率为53.7%(95%CI51.2~56.3%).HPV11(2.7%:95%CI2.1-3.5%),HPV42(2.1%:95%CI1.5-2.8%)和HPV6(2.1%:95%CI1.4-2.7%)是最常见的低风险HPV类型。
    我们注意到HR-HPV类型的比例更高,特别是HPV16,而且HPV52,HPV35和HPV18,在埃塞俄比亚的疫苗接种和基于HPV的宫颈筛查计划中需要特别注意。需要来自该国其他地区的其他数据,这些地区以前没有HPV基因型报告,以更好地绘制埃塞俄比亚的国家HPV基因型分布图。
    Cervical cancer is caused by infection with high-risk human papillomaviruses (HR-HPVs). It is one of the leading causes of cancer-related deaths in Ethiopia and globally. To develop efficient vaccination and HPV-based cervical cancer screening approaches, data on genotype distribution of HPVs is crucial. Hence, the study was aimed to review HPV genotype distribution in Ethiopia.
    Research articles were systematically searched using comprehensive search strings from PubMed/Medline and SCOPUS. Besides, Google Scholar was searched manually for grey literature. The last search was conducted on 18 August 2021. The first two authors independently appraised the studies for scientific quality and extracted the data using Excel sheet. The pooled HPV genotype distribution was presented with descriptive statistics.
    We have included ten studies that were reported from different parts of the country during 2005 and 2019. These studies included 3633 women presented with different kinds of cervical abnormalities, from whom 29 different HPV genotypes with a sum of 1926 sequences were reported. The proportion of high-risk, possible/probable high-risk and low-risk HPVs were at 1493 (77.5%), 182 (9.4%) and 195 (10.1%), respectively. Of the reported genotypes, the top five were HPV 16 (37.3%; 95% CI 35.2.1-39.5%), HPV 52 (6.8%; 95% CI 5.8-8.0%), HPV 35 (4.8%; 95% CI 3.9-5.8%), HPV 18 (4.4%; 95% CI 3.5-5.3%) and HPV 56 (3.9%: 95% CI 3.1-4.9%). Some of other HR-HPV groups include HPV 31 (3.8%), HPV 45 (3.5%), HPV 58 (3.1%), HPV 59(2.3%), and HPV 68 (2.3%). Among the high-risk types, the combined prevalence of HPV 16/18 was at 53.7% (95% CI 51.2-56.3%). HPV 11 (2.7%: 95% CI 2.1-3.5%), HPV 42 (2.1%: 95% CI 1.5-2.8%) and HPV 6 (2.1%: 95% CI 1.4-2.7%) were the most common low-risk HPV types.
    We noted that the proportion of HR-HPV types was higher and HPV 16 in particular, but also HPV 52, HPV 35 and HPV 18, warrant special attention in Ethiopian\'s vaccination and HPV based cervical screening program. Additional data from other parts of the country where there is no previous HPV genotype report are needed to better map the national HPV genotypes distribution of Ethiopia.
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  • 文章类型: Journal Article
    It is hypothesised that high risk for cancer human papillomaviruses (HPVs) have a causal role in prostate cancer. In 26 case control studies, high risk HPVs have been identified in benign and prostate cancers. High risk HPVs were identified in 325 (22.6%) of 1284 prostate cancers and in 113 (8.6%) of 1313 normal or benign prostate controls (p = 0.001). High risk HPVs of the same type have been identified in both normal and benign prostate tissues prior to the development of HPV positive prostate cancer. High risk HPVs can be associated with inflammatory prostatitis leading to benign prostate hyperplasia and later prostate cancer. Normal human prostate epithelial cells can be immortalised by experimental exposure to HPVs. HPVs are probably sexually transmitted. The role of HPVs in prostate cancer is complex and differs from HPVs associated cervical cancer. HPV infections may initiate prostate oncogenesis directly and influence oncogenesis indirectly via APOBEC enzymes. HPVs may collaborate with other pathogens in prostate oncogenesis. Although HPVs are only one of many pathogens that have been identified in prostate cancer, they are the only infectious pathogen which can be prevented by vaccination. A causal role for HPVs in prostate cancer is highly likely.
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  • 文章类型: Journal Article
    BACKGROUND: Human papillomavirus (HPV), one of the most common sexually transmitted viral infections worldwide, is the leading cause of cervical cancer. In Middle East and North Africa (MENA) Region HPV data is at scarce, and most of the countries haven\'t implemented any vaccination programs. This present meta-analysis and systematic review aimed to describe human papillomavirus (HPV) epidemiology by clinical subgroups in the (MENA) region.
    METHODS: Studies assessing HPV prevalence rates were systematically reviewed, and the selected articles were reported following the PRISMA guideline. Random-effects meta-analyses and meta-regression were used to estimate HPV pooled mean prevalence rates and their association with other factors.
    RESULTS: For the cervical cancer population in the MENA region, the pooled HPV prevalence rate was 81% (95% CI, 70%-90%). HPV detected in cervical cancer samples was most prevalent in the Maghreb countries (88%; 95% CI, 78%-96%) and least prevalent in Iran (73%; 95% CI, 62%-83%).For the subgroup with abnormal-cervical cytology in the MENA region, the pooled HPV prevalence rate was 54% (95% CI, 41%-67%), with the highest prevalence reported in Northeast Africa (94%; 95% CI, 91%-96%), and the lowest prevalence in the Levant region (31%; 95 CI, 16%-49%). In the general population subgroup in the MENA region, the pooled HPV prevalence rate was 16% (95% CI, 14%-17%), HPV was most prevalent in the Northeast Africa region (21%; 95 CI, 7%-40%) and least prevalent in the Levant region (7%; 95 CI, 2%-14%).
    CONCLUSIONS: The present meta-analysis comprehensively described the current HPV prevalence rates in the MENA region and found that the rates have continued to increase with time, especially in African regions. Designing personalized awareness and vaccination programs that respect the various cultural and religious values remains the main challenge in prevention of cervical cancer in the MENA region.
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  • 文章类型: Journal Article
    Fifty years ago, inoculation with bovine papillomavirus (BPV) was found to cause mesenchymal tumors of the skin in cattle and horses, as well as tumors of the bladder in cattle. Subsequent to these studies of BPVs, human papillomaviruses (HPVs) were found to cause cervical cancer resulting in intense research into papillomaviruses. During the past 50 years, the ways that HPVs and BPVs cause disease have been investigated, and both HPVs and BPVs have been associated with an increasingly diverse range of diseases. Herein, the biology, oncogenic mechanisms, and diseases associated with BPVs are compared with those of HPVs. As reviewed, there are currently significant differences between BPVs and HPVs. However, research 50 years ago into BPVs formed a prologue for the recognition that papillomaviruses have a significant role in human disease, and it is possible that future research may similarly reveal that BPVs are less different from HPVs than is currently recognized.
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