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Sökning: WFRF:(Mints Miriam) > (2010-2014)

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1.
  • Andersson, Sonia, et al. (författare)
  • Results of cytology and high-risk human papillomavirus testing in females with cervical adenocarcinoma in situ
  • 2013
  • Ingår i: Oncology Letters. - 1792-1074 .- 1792-1082. ; 6:1, s. 215-219
  • Tidskriftsartikel (refereegranskat)abstract
    • The incidence rates of cervical adenocarcinoma have been increasing over the last two decades, contrary to those of squamous cell carcinoma. This trend is particularly evident among females aged <40 years and has occurred despite extensive cytology-based screening programs. The aim of the present retrospective database study was to investigate adenocarcinoma in situ (AIS) with respect to previous cytological results, high-risk (HR) human papillomavirus (HPV) infections and histological results from AIS-adjacent squamous mucosa. Databases were used to identify 32 female patients with AIS treated for various conditions between 2009 and 2012 at the Department of Gynecology, Uppsala University Hospital (Uppsala, Sweden) and previous cytological, HPV and histological results. Of the individuals in the study, 64.3% had a previously recorded cytological result showing squamous cell abnormalities; five had glandular cell abnormalities (18%) and two had AIS (7.1%). Among the patients with available HPV results, 95% were HR-HPV-positive; HPV18/45 predominated (77%), followed by HPV16 (27%). The patients with multiple HPV infections were aged <= 32 years, while patients aged >= 38 years were only infected with HPV18/45. All but three patients had cervical intraepithelial neoplasia (CIN) in the AIS-adjacent squamous mucosa, 79% of which was CIN2 or worse. The present retrospective database study suggests that AIS is detected at screening mainly due to simultaneous squamous precursor lesions and that HPV18/45 infection is an increasing co-factor for AIS in older patients. HPV analyses of glandular precursor lesions aid in the identification of female individuals at risk of progression to invasive disease, and thus have a favorable effect on adenocarcinoma prevention, together with vaccination.
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2.
  • Andersson, Sonia, et al. (författare)
  • Uneven distribution of human papillomavirus 16111 cervical carcinoma in situ and squamous cell carcinoma in older females : A retrospective database study
  • 2014
  • Ingår i: Oncology Letters. - 1792-1074 .- 1792-1082. ; 8:4, s. 1528-1532
  • Tidskriftsartikel (refereegranskat)abstract
    • Human papillomavirus (HPV) 16 is the dominant cofactor in cervical cancer development. The present report investigated the age-specific prevalence of HPV16 in cervical carcinoma in situ (CIS) in females attending organised cervical cancer screening. A retrospective observational study was performed based on individual data from two databases. A total of 162 females aged between 20 and 65 years from Uppsala County, Sweden with CIS and an HPV test conducted between 2010 and 2011, preceding or concomitant to CIS diagnosis, were included. Females with cervical squamous cell carcinoma (SCC; n=35) were used for comparison. In total, 96% (n=156) of females with CIS were positive for high-risk HPV; HPV16 was the most prevalent (44.5%), followed by HPV33/52/58 (19.5%), HPV31 (13.1%) and HPV18145 (9.5%). HPV16 was most frequently detected in females with CIS aged between 20 and 29 years (73.6%) and least frequently detected in those aged between 50 and 65 years (33.3%), with a statistically significant age-specific difference (P=0.001). Among the HPV16-positive females, multiple infections were most frequent in the younger age groups. The prevalence of HPV16 in females with CIS decreased with age, whereas a high prevalence of HPV16 remained in females with SCC. These results may indicate that HPV16 has increased oncogenic potential in older females.
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3.
  • Lomnytska, Marta I, et al. (författare)
  • Diagnostic protein marker patterns in squamous cervicalcancer
  • 2010
  • Ingår i: Proteomics - Clinical Applications. - Weinheim : WILEY-VCH Verlag GmbH & Co. KGaA. - 1862-8346. ; 4:1, s. 17-31
  • Tidskriftsartikel (refereegranskat)abstract
    • Purpose: Cervical cancer is the second most prevalent malignancy of women. Our aim was toidentify additional marker protein patterns for objective diagnosis of squamous cervical cancer(SCC).Experimental design: Collected tissue biopsies of SCC, squamous vaginal cancer (SVC), normalcervical and vaginal mucosa were subjected to 2-DE, SameSpot analysis, MALDI-TOF-MSprotein identification, and analysis of the expression of selected proteins by immunohistochemistry.Results: In 148 protein spots selected by the difference in expression 99 proteins were identified.A differential protein pattern for SCC was, e.g. over-expressed (OE) eukaryotic translationinitiation factor 3-2b, neutrophil cytosolic factor 2, annexin A6 (ANXA6), for SVC it was OEcathepsin D, g-catenin, RAB2A, for both cancers it was OE apolipoprotein E, tropomyosin 3,HSPA8, and underexpressed cytokeratin 13, osteoglycin. In SCC nuclear expression ofneutrophil cytosolic factor 2, PRDX2, HSP27 (nine of ten cases), ANXA6 (nine of ten cases) wasobserved while tropomyosin 4 was expressed only in two of ten cases. There was 81.1% (43/53)agreement between the expression of protein spots and the immune expression of proteins(www.proteinatlas.org).Conclusions and clinical relevance: SCC is characterized by specific tissue marker proteinpatterns that allow objective detection of the disease. They can become a basis for objectiveautomated cytology-based screening and improve current diagnostics of SCC.
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