• Title/Summary/Keyword: human vaccines

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Reproduction of Epstein-Barr Virus Infection and Pathogenesis in Humanized Mice

  • Fujiwara, Shigeyoshi
    • IMMUNE NETWORK
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    • v.14 no.1
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    • pp.1-6
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    • 2014
  • Epstein-Barr virus (EBV) is etiologically associated with a variety of diseases including lymphoproliferative diseases, lymphomas, carcinomas, and autoimmune diseases. Humans are the only natural host of EBV and limited species of new-world monkeys can be infected with the virus in experimental conditions. Small animal models of EBV infection, required for evaluation of novel therapies and vaccines for EBV-associated diseases, have not been available. Recently the development of severely immunodeficient mouse strains enabled production of humanized mice in which human immune system components are reconstituted and express their normal functions. Humanized mice can serve as infection models for human-specific viruses such as EBV that target cells of the immune system. This review summarizes recent studies by the author's group addressing reproduction of EBV infection and pathogenesis in humanized mice.

Nanovesicles: Diagnostic and Therapeutic Tools in Nanoscale Medicine

  • Kim, Minji;Kim, Moonjeong;Kim, Kwang-sun
    • Applied Science and Convergence Technology
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    • v.25 no.6
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    • pp.103-107
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    • 2016
  • The use of nanovesicles (NVs) has contributed to nanotechnology in the development of new concept medicine to compete with diseases of deleterious and infectious to human health. Due to their properties of size, morphology, and biocompatibility NVs have great impact on public health especially in the development of new therapeutic and prophylaxis approaches in addition to the device for biosensors to diagnose human diseases. Recent data also strongly suggest that NVs are regarded as innovative materials in developing for vaccines and diagnostic tools. In this review, we focus on the basic concepts and recent applications of NVs to utilize or engineer them as therapeutic materials.

Prevention and Adjuvant Therapy of Recurrent Respiratory Papillomatosis (재발성 호흡기 유두종증의 예방과 보조 요법)

  • Lee, Dong Kun
    • Journal of the Korean Society of Laryngology, Phoniatrics and Logopedics
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    • v.31 no.1
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    • pp.7-12
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    • 2020
  • Recurrent respiratory papillomatosis (RRP) is characterized by repeated recurrence in the respiratory system, such as the pharynx, larynx, and trachea, caused by the human papilloma virus. The main treatment is surgical removal of the papilloma. However repeated recurrence of RRP in multiple areas is burdened for the surgeon. In addition to the surgery, various adjuvant therapies have been studied to reduce the recurrence. Literature review was conducted with a focus on the adjuvant treatments for RRP.

Small Fiber Neuropathy and Postural Orthostatic Tachycardia Syndrome after Human Papillomavirus Vaccination (사람유두종바이러스 백신접종 후 발생한 소섬유신경병과 기립빈맥증후군)

  • Lee, Chaewon;Lim, Young-Min;Ko, Myung-A;Kim, Hyunjin;Kim, Kwang-Kuk
    • Journal of the Korean neurological association
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    • v.36 no.4
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    • pp.318-321
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    • 2018
  • We describe a 44-year-old woman with paresthesia, fatigue, and palpitation, 10 days after human papillomavirus (HPV) vaccination. The quantitative sensory test showed abnormal detection threshold in her foot. Tilt test result indicated postural orthostatic tachycardia syndrome. Symptoms were improved after immunomodulating therapy, pain control drug, and oral beta blocker medication. This is first case report for small fiber neuropathy and autonomic dysfunction after HPV vaccination in Korea.

Newly Emerging Human Coronaviruses: Animal Models and Vaccine Research for SARS, MERS, and COVID-19

  • Pureum Lee;Doo-Jin Kim
    • IMMUNE NETWORK
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    • v.20 no.4
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    • pp.28.1-28.25
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    • 2020
  • The recent emergence of the novel coronavirus (CoV) or severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2) poses a global threat to human health and economy. As of June 26, 2020, over 9.4 million cases of infection, including 482,730 deaths, had been confirmed across 216 countries. To combat a devastating virus pandemic, numerous studies on vaccine development are urgently being accelerated. In this review article, we take a brief look at the characteristics of SARS-CoV-2 in comparison to SARS and Middle East respiratory syndrome (MERS)-CoVs and discuss recent approaches to coronavirus disease-2019 (COVID-19) vaccine development.

Human Papillomavirus Burden in Different Cancers in Iran: a Systematic Assessment

  • Jalilvand, Somayeh;Shoja, Zabihollah;Hamkar, Rasool
    • Asian Pacific Journal of Cancer Prevention
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    • v.15 no.17
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    • pp.7029-7035
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    • 2014
  • Certain types of human papillomaviruses (HPVs) are undoubtedly involved in genesis of human malignancies. HPV plays an etiological role in cervical cancer, but also in many vaginal, vulvar, anal and penile cancers, as well as head and neck cancers. In addition, a number of non-malignant diseases such as genital warts and recurrent respiratory papillomatosis are attributable to HPV. Moreover, HPV forms have detected in several other cancers including esophageal squamous cell carcinoma, lung, prostate, ovarian, breast, skin, colorectal and urinary tract cancers, but associations with etiology in these cases is controversial. The aim of this systematic assessment was to estimate the prevalence of HPV infection and HPV types in HPV-associated cancers, HPV-related non-malignant diseases and in cancers that may be associated with HPV in Iran. The present investiagtion covered 61 studies on a variety of cancers in Iranian populations. HPV prevalence was 77.5 % and 32.4% in cervical cancer and head and neck cancers, respectively. HPV was detected in 23.1%, 22.2%, 10.4%, 30.9%, 14% and 25.2% of esophageal squamous cell, lung, prostate, urinary tract cancers, breast and skin cancers, respectively. HPV16 and 18 were the most frequent HPV types in all cancers. The findings of present study imply that current HPV vaccines for cervical cancer may decrease the burden of other cancers if they are really related to HPV.

Promoter demethylation mediates the expression of ZNF645, a novel cancer/testis gene

  • Bai, Gang;Liu, Yunqiang;Zhang, Hao;Su, Dan;Tao, Dachang;Yang, Yuan;Ma, Yongxin;Zhang, Sizhong
    • BMB Reports
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    • v.43 no.6
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    • pp.400-406
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    • 2010
  • Cancer/testis (CT) antigens exhibit highly tissue-restricted expression and are considered promising targets for cancer vaccines. Here we identified a novel CT gene ZNF645 which restrictively expresses in normal human testes and lung cancer patients (68.3%). To investigate the promoter methylation status of ZNF645, we carried out bisulfite genomic sequencing and found that the CpG island in its promoter was heavily methylated in normal lung tissues without the expression of ZNF645, whereas there was high demethylation in normal human testes and lung carcinoma tissues with its expression. Also ZNF645 could be remarkably activated in A549 and HEK293T cells treated by DNA demethylation agent 5'-aza-2'-deoxycytidine. And the dual luciferase assay revealed that the promoter activity of the ZNF645 was inhibited by methylation of the CpG island region. Therefore, we proposed that ZNF645 is a CT gene and activated in human testis and lung cancers by demethylation of its promoter region.

Determination of Knowledge of Turkish Midwifery Students about Human Papilloma Virus Infection and its Vaccines

  • Genc, Rabia Ekti;Sarican, Emine Serap;Turgay, Ayse San;Icke, Sibel;Sari, Dilek;Saydam, Birsen Karaca
    • Asian Pacific Journal of Cancer Prevention
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    • v.14 no.11
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    • pp.6775-6778
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    • 2013
  • Human papilloma virus (HPV) is one of the most common sexually transmitted agents and its infection is the most established cause of cervical cancer. Midwives play a key position in the implementation of cervical cancer. This descriptive study aimed to determine the level of knowledge concerning HPV and HPV vaccination among 268 midwifery students. Data were collected between November 15 and 30, 2011, through a self-reported questionnaire. The mean age of participants was $20.75{\pm}1.60$. Among all students, 44.4% had heard of HPV, while 40.4% had heard of HPV vaccinatiob. The relationship between the midwifery student knowledge on HPV and HPV vaccine and their current educational year was significant (p=0.001). In conclusion midwifery students have moderate level of knowledge about HPV and its vaccine and relevant information should be included in their teaching curriculum.

Factors Associated with Intention to receive Human Papillomavirus Vaccine in Undergraduate Women: An Application of the Theory of Planned Behavior (계획된 행위 이론을 적용한 여대생의 인유두종 바이러스 백신 접종의도 영향요인)

  • Lee, Kyu Eun
    • Journal of Korean Academy of Fundamentals of Nursing
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    • v.21 no.4
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    • pp.457-465
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    • 2014
  • Purpose: The purpose of this study was to apply Ajzen's theory of planned behavior to identify factors that affect undergraduate women's decisions to receive human papillomavirus(HPV) vaccination. Method: The research design for this study was a descriptive survey design using convenience sampling. Data collection was done using self-report questionnaires with 254 undergraduate students in G city. Data were analyzed using percentage, mean, standard deviation, t-test, ANOVA, Mann-Whitney U test, Pearson correlation analysis and multiple regression with the SPSS Win 20.0 Program. Results: The mean score of intention to receive HPV vaccine was $3.88{\pm}1.05$ out of a possible 7. Intention to receive HPV vaccine showed a significantly positive correlation with attitudes (r=.26, p<.001), subjective norm (r=.51, p<.001), perceived behavior control (r=.41, p<.001) to receive HPV vaccination. In the multiple regression analysis, subjective norm and perceived behavior control to receive HPV vaccine were significant predictors and explained 33.7% of intention to receive HPV vaccine. Conclusion: Results of this study show that there are significant factors affecting the intention of undergraduate women to receive HPV vaccination. Also, strategies emphasizing subjective norm and perceived behavior control in obtaining HPV vaccination should be taken into account in developing educational programs.

Factors Affecting HPV Vaccination Rates of Daughters Aged 12 years (만 12세 초등학생 딸의 자궁경부암 예방접종 실태 및 영향요인)

  • Moon, Hee
    • Journal of Korean Biological Nursing Science
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    • v.20 no.2
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    • pp.114-121
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    • 2018
  • Purpose: The purpose of this study was to investigate the rate of human papilloma virus (HPV) vaccinations among 12-year-old daughters and to analyze factors influencing the mothers' decisions to vaccinate their daughters. Methods: A cross sectional descriptive study was conducted using a convenience sample of 139 mothers. Data was analyzed using SPSS WIN 23.0. Descriptive statistics and a logistic regression analysis were conducted. Results: The vaccination rate of HPV among children was 43.9%. Mothers showed a higher knowledge of the HPV vaccination than of cervical cancer and of human papilloma virus. In self-efficacy scores, the subscores of self-regulation efficacy were higher than self-confidence and task difficulty preference. The factors influencing the vaccination of daughters included the age of the daughters at the time of the vaccination, the provision of information on the HPV vaccine, knowledge of the HPV vaccination, and self-confidence. Conclusion: In order to increase the HPV vaccination rate, it is necessary to provide accurate scientific knowledge to mothers. A variety of intervention strategies should be developed to enhance the confidence of mothers so that mothers who want to provide the HPV vaccination to their daughters are able to follow through and provide the vaccination.