بررسی شیوع ویروس پاپیلومای انسانی در زنان متأهل 60-18 ساله با پاپ اسمیر طبیعی مراجعه‌کننده به کلینیک‌های تخصصی زنان وابسته به دانشگاه علوم پزشکی اصفهان

نوع مقاله : مقاله های پژوهشی

نویسندگان

1 دانشیلر، گروه زنان و زایمان، دانشکده‌ی پزشکی، دانشگاه علوم پزشکی اصفهان، اصفهان، ایران

2 استادیار، گروه میکروبیولوژی، دانشکده‌ی پزشکی، دانشگاه علوم پزشکی اصفهان، اصفهان، ایران

3 دستیار، گروه زنان و زایمان، دانشکده‌ی پزشکی و کمیته‌ی تحقیقات دانشجویی، دانشگاه علوم پزشکی اصفهان، اصفهان، ایران

چکیده

مقدمه: سرطان دهانه‌ی رحم دومین علت مرگ و میر در اثر سرطان در بین زنان می‌باشد. تیپ‌های پر خطر ویروس پاپیلومای انسانی ( HPV یا papillomavirus Human) عامل اصلی سرطان سرویکس هستند. این مطالعه با هدف تعیین شیوع تیپ‌های 6، 11، 16 و 18 HPV در زنان متأهل 60-18 ساله با پاپ اسمیر طبیعی انجام شد. روش‌ها: در این مطالعه‌ی توصیفی-تحلیلی 180 نفر از زنان متاهل 60-18 ساله که در سال‌های 1389-1388 به کلینیک‌های تخصصی زنان وابسته به دانشگاه علوم پزشکی اصفهان مراجعه کرده بودند، به روش در دسترس بررسی شدند. پس از بررسی سیتولوژی در پاپ اسمیر از کلیه‌ی نمونه‌های طبیعی یک نمونه تهیه گردید. سپس با انجام PCR ابتدا ویروس HPV با استفاده از پرایمرهای GP5+ و GP6+ شناسایی شد. نمونه‌های حاوی HPV برای تعیین ژنوتیپ با استفاده از پرایمرهای اختصاصی برای تیپ‌های 6، 11، 16 و 18 PCR مجدد شدند.یافته‌ها: بر اساس مرحله‌ی اول PCR (Polymerase chain reaction) از بین 180 نمونه ویروس HPV در 46 نمونه (55/25 درصد) یافت شد. از 46 نمونه‌ی مثبت 7 نمونه (21/15درصد) تیپ 16، 6 نمونه (04/13 درصد) تیپ 18، 10 نمونه (74/21 درصد) تیپ‌های 11 یا 6 و 23 نمونه (50 درصد) از سایر تیپ‌های این ویروس بود. در میان 180 نمونه‌ی مورد مطالعه در 13 نمونه (22/7 درصد) حداقل یکی از تیپ‌های پر خطر 18 و 16 یافت شد.نتیجه‌گیری: با توجه به شیوع بالای این ویروس در مطالعه‌ی ما و سایر مطالعات انجام شده در منطقه، انجام اقدامات پیشگیری از بروز این مشکل ضروری به نظر می‌رسد. یکی از روش‌های پیشگیری استفاده از واکسن گارداسیل است که تأثیر مناسب آن در مطالعات نشان داده شده است.

کلیدواژه‌ها


عنوان مقاله [English]

Reviewing the Prevalence of Human Papillomavirus (HPV) in Married Women Aged 18-60 Years with Normal Pap Smear and Referring to Gynecology Clinics in Hospitals Affiliated to Isfahan University of Medical Sciences, Iran

نویسندگان [English]

  • Tajossadat Allameh 1
  • Sharareh Moghim 2
  • Farinaz Farahbod 3
1 Associate Professor, Department of Obstetrics and Gynecology, School of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran
2 Assistant Professor, Department of Microbiology, School of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran
3 Resident, Department of Obstetrics and Gynecology, School of Medicine And Student Research Committee, Isfahan University of Medical Sciences, Isfahan, Iran
چکیده [English]

Background: Cervical cancer is the second leading cause of mortality due to cancer among women. Since 1970, Human papillomavirus (HPV) has been proposed as the main etiologic factor for cervical cancer. High-Risk HPV types have been the major cause of cervical cancer. Therefore, it seems necessary that the most common HPV types in each population should be determined separately so that they can be used for an effective screening program, disease management, and the vaccination of the target population. To do so, the prevalence of type 6, 11, 16 and 18 of HPV were studied in married women aged 18-60 years, with normal Pap smear, referring to gynecology clinics in hospitals affiliated to Isfahan University of Medical Sciences, Iran, during 2009-2010 using the PCR technique.Methods: In this descriptive-analytical study, 180 married women aged 18-60 years with normal Pap smear, who referred to gynecology clinics in hospitals affiliated to Isfahan University of Medical Sciences, Iran, were selected through available sampling method. After cytological screening in Pap smear, a specimen was collected from all the normal samples using Cervex-Brush® Combi. DNA samples were extracted using phenol chloroform, and the extracted DNA samples were confirmed using PCO3 primers and PCO from Beta Globin gene. In the first stage of PCR, HPV was identified through primers GP5+ and GP6+, and the samples containing HPV underwent PCR again in order to determine their genotype using specific primers for types 6, 11, 16, and 18.Findings: In the first stage of PCR among 180 studied specimens, HPV was found in 46 specimens (25.55%). Out of 46 positive specimens, 7 specimens (15.21%) belonged to type 16, 6 specimens belonged to type 10 (13.04%), 18 specimens belonged to types 11 or 6 (21.74%), and 23 specimens (50%) belonged to other types of this virus. Among 180 studied samples, at least one of the high-risk types was found in 13 specimens (7.22%).Conclusion: Given to the high prevalence of this virus in the present study and other conducted studies, particularly types 16 and 18 which have been proved to be risk factors for premalignant and malignant cervical lesions, and also the good effect of Gardasil vaccine, using this vaccine can be an important step towards preventing cervical cancer in the studied women. 

کلیدواژه‌ها [English]

  • Normal Pap smear
  • Human papillomavirus
  • PCR
  • Cervical cancer
  1. Qiao YL. Perspective of cervical cancer prevention and control in developing countries and areas. Chin J Cancer 2010; 29(1): 1-3.
  2. [In Chinees].
  3. World Health Organization. Bulletin of the World Health Organization (BLT). [Online]. 2010. Available from: URL: http://www.who.int/bulletin/en/
  4. Parkin DM, Bray F, Ferlay J, Pisani P. The burden of HPV-related cancers. In: Barrett ADT, Stanberry LR, editors. Vaccines for biodefense and emerging and neglected diseases. 1st ed. London, UK: Academic Press; 2009. p. S11–S25.
  5. Ferlay J, Bray F, Pisani P, Parkin DM. Cancer incidence, mortality and prevalence worldwide. In: Swanson D, Siegel JS, Henry S, editors. The methods and materials of demography. Bingley, UK: Emerald Group Publishing; 2004.
  6. Behtash N, Ghaemmaghami F, Ayatollahi H, Khaledi H, Hanjani P. A case-control study to evaluate urinary tract complications in radical hysterectomy. World J Surg Oncol 2005; 3(1): 12.
  7. Behtash N, Mousavi A, Mohit M, Modares M, Khanafshar N, Hanjani P. Simple hysterectomy in the presence of invasive cervical cancer in Iran. Int J Gynecol Cancer 2003; 13(2): 177-81.
  8. Behtash N, Mousavi A, Tehranian A, Khanafshar N, Hanjani P. Embryonal rhabdomyosarcoma of the uterine cervix: case report and review of the literature. Gynecol Oncol 2003; 91(2): 452-5.
  9. Behtash N, Nazari Z, Ayatollahi H, Modarres M, Ghaemmaghami F, Mousavi A. Neoadjuvant chemotherapy and radical surgery compared to radical surgery alone in bulky stage IB-IIA cervical cancer. Eur J Surg Oncol 2006; 32(10): 1226-30.
  10. Behtash N, Ghaemmaghami F, Yarandi F, Ardalan FA, Khanafshar N. Cutaneous metastasis from carcinoma of the cervix at the drain site. Gynecol Oncol 2002; 85(1): 209-11.
  11. Nazari Z, Behtash N, Gilani MM, Ganjoei TA. Cervical carcinoma simulating advanced ovarian cancer. Eur J Surg Oncol 2007; 33(1): 123-4.
  12. Announcement the society of Gynecologic oncologists statement on a cervix cancer vaccine. Gynecol Oncol. 2006; 10: 377.
  13. Kufe DW, Pollock RE, Weichselbaum RR, Bast RC, Gansler TS, Holland JF. Holland-Frei Cancer Medicine. 6th ed. Hamilton: BC Decker Inc; 2003.
  14. Munoz N, Bosch FX, de SS, Herrero R, Castellsague X, Shah KV, et al. Epidemiologic classification of human papillomavirus types associated with cervical cancer. N Engl J Med 2003; 348(6): 518-27.
  15. Daling JR, Madeleine MM, Johnson LG, Schwartz SM, Shera KA, Wurscher MA, et al. Human papillomavirus, smoking, and sexual practices in the etiology of anal cancer. Cancer 2004; 101(2): 270-80.
  16. Schiffman M, Kjaer SK. Chapter 2: Natural history of anogenital human papillomavirus infection and neoplasia. J Natl Cancer Inst Monogr 2003; (31): 14-9.
  17. Burd EM. Human Papillomavirus and Cervical Cancer. Clin Microbiol Rev 2003; 16(1): 1-17.
  18. Walboomers JM, Jacobs MV, Manos MM, Bosch FX, Kummer JA, Shah KV, et al. Human papillomavirus is a necessary cause of invasive cervical cancer worldwide. J Pathol 1999; 189(1): 12-9.
  19. Molijn A, Kleter B, Quint W, van Doorn LJ. Molecular diagnosis of human papillomavirus (HPV) infections. J Clin Virol 2005; 32 Suppl 1: S43-S51.
  20. Zandi K, Eghbali SS, Hamkar R, Ahmadi S, Ramedani E, Deilami I, et al. Prevalence of various human papillomavirus (HPV) genotypes among women who subjected to routine Pap smear test in Bushehr city (south west of Iran) 2008-2009. Virol J 2010; 7: 65.
  21. Kjaer SK, van den Brule AJ, Bock JE, Poll PA, Engholm G, Sherman ME, et al. Determinants for genital human papillomavirus (HPV) infection in 1000 randomly chosen young Danish women with normal Pap smear: are there different risk profiles for oncogenic and nononcogenic HPV types? Cancer Epidemiol Biomarkers Prev 1997; 6(10): 799-805.
  22. Rozendaal L, Walboomers JM, van der Linden JC, Voorhorst FJ, Kenemans P, Helmerhorst TJ, et al. PCR-based high-risk HPV test in cervical cancer screening gives objective risk assessment of women with cytomorphologically normal cervical smears. Int J Cancer 1996; 68(6): 766-9.
  23. Sherpa AT, Clifford GM, Vaccarella S, Shrestha S, Nygard M, Karki BS, et al. Human papillomavirus infection in women with and without cervical cancer in Nepal. Cancer Causes Control 2010; 21(3): 323-30.
  24. Mortazavi S, Zali M, Raoufi M, Nadji M, Kowsarian P, Nowroozi A. The Prevalence of Human Papillomavirus in Cervical Cancer in Iran. Asian Pac J Cancer Prev 2002; 3(1): 69-72.
  25. Sadeghi A, Sobhani A, Etaati Z, Jahanlu A, Shiroodi M. Prevalence of Human Papilloma Virus among Women with Cervical Intraepithelial Neoplasia III and Invasive Cervical Cancer from 2001 to 2006 in Bandarabas. Iranian J Pathol 2008; 3(4): 183-5.
  26. Hamkar R, Mokhtari Azad T, Mahmoodi M, Seyedirashti S, Severini A, Nategh R. Prevalence of human papillomavirus in Mazandaran province, Islamic Republic of Iran. East Mediterranean Health J 2002; 8(6): 805-11.
  27. Ghaffari SR, Sabokbar T, Mollahajian H, Dastan J, Ramezanzadeh F, Ensani F, et al. Prevalence of human papillomavirus genotypes in women with normal and abnormal cervical cytology in Iran. Asian Pac J Cancer Prev 2006; 7(4): 529-32.
  28. Niakan M, Yarandi F, Entezar M. Human papillomavirus (HPV) detection in biopsies from cervical cancer patients; A population–based study from Iran. Iranian J Clin Infect Dis 2009; 4(1): 35-7.
  29. Allameh T, Moghim S, Asadi-Zeidabadi M. A survey on the prevalence of high-risk subtypes of human papilloma virus among women with cervical neoplasia in Isfahan University of Medical Science. Arch Gynecol Obstet 2011; 284(6): 1509-13.
  30. Bayas JM, Costas L, Munoz A. Cervical cancer vaccination indications, efficacy, and side effects. Gynecol Oncol 2008; 110(3 Suppl 2): S11-S14.