Ovulation and the mechanism of follicle rupture. V. Ultrastructure of tunica albuginea and theca externa of rabbit graafian follicles prior to induced ovulation.
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Biomedical subjects
Publications and source records attributed to L Bjersing.
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Using Southern blot or in situ hybridization, several studies have recently reported an association between HPV 18 and adenocarcinoma of the uterine cervix. In this study PCR was used to analyse the presence of HPV 16 and 18 in paraffin embedded biopsies of cervical adenocarcinoma in Northern Sweden. HPV DNA was confirmed in 11 (42%) of 26 cases. Seven (27%) were positive for HPV 18 and 4 (15%) for HPV 16. Nine of 13 premenopausal cases were HPV positive compared to only 2 of 13 postmenopausal cases (p less than 0.015). There was also a tendency towards previous negative cytology in HPV 18 positive premenopausal patients. The significance of these findings in relation to epidemiology of cervical adenocarcinoma is discussed.
Biopsy samples from 13 Kenyan patients with squamous cell carcinoma of the cervix were analysed for the presence of type specific HPV DNA by polymerase chain reaction (PCR). HPV 16 was confirmed in 11 (85%) and HPV 18 in 9 (69%) samples. HPV 6 DNA was detectable in only 3 (23%) samples and no HPV 33 was found. Infection with either HpV16 or 18 was seen in 12 (92%) and infection with both in 8 (62%) cases. The prevalence of double infection found is higher than in previous reports. The significance of this and possible effects of parity on cervical neoplastic changes are discussed.