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- Idahl, Annika, 1965-, et al.
(författare)
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Chlamydia trachomatis and Mycoplasma genitalium plasma antibodies in relation to epithelial ovarian tumors
- 2011
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Ingår i: Infectious diseases in obstetrics and gynecology. - : Hindawi Publishing Corporation. - 1064-7449 .- 1098-0997. ; 2011
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Tidskriftsartikel (refereegranskat)abstract
- Objective: To assess associations of Chlamydia trachomatis and Mycoplasma genitalium antibodies with epithelial ovarian tumors.Methods: Plasma samples from 291 women, undergoing surgery due to suspected ovarian pathology, were analyzed with respect to C. trachomatis IgG and IgA, chlamydial Heat Shock Protein 60-1 (cHSP60-1) IgG and M. genitalium IgG antibodies. Women with borderline tumors (), ovarian carcinoma (), or other pelvic malignancies () were matched to four healthy controls each.Results: Overall, there were no associations of antibodies with EOC. However, chlamydial HSP60-1 IgG antibodies were associated with type II ovarian cancer () in women with plasma samples obtained >1 year prior to diagnosis (). M. genitalium IgG antibodies were associated with borderline ovarian tumors ().Conclusion: Chlamydial HSP60-1 IgG and M. genitalium IgG antibodies are in this study associated with epithelial ovarian tumors in some subsets, which support the hypothesis linking upper-genital tract infections and ovarian tumor development.
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| 2. |
- Idahl, Annika, 1965-
(författare)
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Chlamydia trachomatis as a risk factor for infertility in women and men, and ovarian tumor development
- 2009
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Doktorsavhandling (övrigt vetenskapligt/konstnärligt)abstract
- Background: Chlamydia trachomatis in women is a risk factor for tubal factor infertility and extra uterine pregnancies, but the impact of a C. trachomatis infection on male fertility is unclear. It is also hypothesized that persistent infection with C. trachomatis, or other microorganisms, might initiate/promote ovarian tumor development. The aims of the thesis were to study whether C. trachomatis serum antibodies in women and men had an impact on infertility diagnoses, semen characteristics, pregnancy rates and pregnancy outcomes; furthermore, to explore associations of C. trachomatis, and Mycoplasma genitalium, plasma antibodies with epithelial ovarian cancer and borderline ovarian tumors, as well as the presence of C. trachomatis bacteria, and other microorganisms, in ovarian tissues. Materials and methods: Papers I and II: 244/226 infertile couples were tested for serum C. trachomatis IgG, IgA, IgM and chlamydial Heat Shock Protein 60 (cHSP60) IgG antibodies. C. trachomatis IgG positive couples were also tested for C. trachomatis DNA in a urine sample. The follow-up period was 14-54 months. 244 spontaneously pregnant women were also tested for serum C. trachomatis IgG antibodies. Papers III and IV: Plasma samples from 291 women with epithelial ovarian cancer, borderline ovarian tumors and benign conditions, and plasma samples from 271 healthy controls, were analyzed for C. trachomatis IgG, IgA and cHSP60-1 IgG and M. genitalium IgG antibodies. Ovarian tissues from 186 women with benign ovaries, borderline ovarian tumors and epithelial ovarian cancer, as well as tissues from the contra lateral ovary in 126 women, were analyzed for the presence of C. trachomatis, M. genitalium, Neisseria gonorrhoeae, HPV and the polyoma viruses BKV and JCV with nucleic acid amplification tests. Results: Papers I and II: The prevalence of C. trachomatis IgG antibodies was higher among infertile than fertile women, and there were 9 couples with ongoing C. trachomatis infections. In men, C. trachomatis IgG and IgA antibodies were associated with a reduced likelihood to achieve pregnancy for the couple, as well as lower sperm concentration, reduced sperm motility and vitality, increased teratozoospermia index and the occurrence of leukocytes. C. trachomatis IgG and cHSP60 IgG antibodies in infertile women were associated with tubal factor infertility, but not with reduced pregnancy rates or outcomes. Paper III: cHSP60-1 IgG antibodies were associated with ovarian cancer belonging to the postulated type II pathogenetic pathway when plasma samples obtained more than one year prior to diagnosis were analyzed. M. genitalium IgG antibodies were associated with borderline ovarian tumors; however a statistical type 1 error cannot be excluded. Paper IV: None of the microorganisms studied were found in the ovarian tissue samples. Conclusions: C. trachomatis IgG and IgA antibodies in the man substantially decreases the chances of the infertile couple to achieve pregnancy, and are associated with subtle negative changes in semen characteristics. C. trachomatis IgG and cHSP60 IgG antibodies in the woman are risk factors for tubal factor infertility. Prospective plasma cHSP60-1 IgG antibodies are associated with type II ovarian carcinomas, but C. trachomatis bacteria, or the other microorganisms studied, could not be detected in benign, borderline or malignant ovarian tissues.
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| 3. |
- Idahl, Annika, 1965-, et al.
(författare)
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Chlamydia trachomatis, Mycoplasma genitalium, Neisseria gonorrhoeae, human papillomavirus, and polyomavirus are not detectable in human tissue with epithelial ovarian cancer, borderline tumor, or benign conditions
- 2010
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Ingår i: American Journal of Obstetrics and Gynecology. - : Elsevier BV. - 0002-9378 .- 1097-6868. ; 202:1, s. 71.e1-71.e6
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Tidskriftsartikel (övrigt vetenskapligt/konstnärligt)abstract
- OBJECTIVE: We sought to analyze the presence of the microorganisms Chlamydia trachomatis, Mycoplasma genitalium, Neisseria gonorrhoeae, human papillomavirus (HPV), and the polyomaviruses BK virus (BKV) and JC virus (JCV) in ovarian tissues of women with ovarian carcinomas, borderline tumors, and benign conditions. STUDY DESIGN: Ovarian tissue, snap-frozen and stored at -80 degrees C, from 186 women with benign conditions, borderline tumors, and epithelial ovarian cancer, as well as tissue from the contralateral ovary of 126 of these women, were analyzed regarding presence of C trachomatis and N gonorrhoeae (transcription mediated amplification), M genitalium (real-time polymerase chain reaction [PCR]), HPV (PCR), and BKV and JCV (PCR). RESULTS: All the tissue samples studied were found negative for the microorganisms analyzed. CONCLUSION: C trachomatis, M genitalium, N gonorrhoeae, HPV, and the polyomaviruses BKV and JCV are not detectable in ovarian tissues either from women with benign conditions and borderline tumors or from women with ovarian cancer.
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| 4. |
- Jonsson, S., et al.
(författare)
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Chlamydia trachomatis and anti-MUC1 antibodies and subsequent risk of high grade serous ovarian cancer : a population-based case-control study in Northern Sweden
- 2019
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Ingår i: International Journal of Gynecological Cancer. - : BMJ Publishing Group Ltd. - 1048-891X .- 1525-1438. ; 29, s. A139-A139
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Tidskriftsartikel (övrigt vetenskapligt/konstnärligt)abstract
- Introduction/Background Chlamydia trachomatis (C. trachomatis) salpingitis causes inflammatory damage to the fallopian tube, the suggested origin of most high grade serous cancers (HGSC), and could thereby cause initiation and progression of ovarian cancer. Infection with C. trachomatis may stimulate production of MUC1 protein and potentially both increase or decrease anti-MUC1 antibody levels. The aim of this study was to examine if serology indicating past infection with C. trachomatis and anti-MUC1 antibodies in prospective blood samples were associated with HGSC.Methodology In a prospective nested case-control study within the Northern Sweden Health and Disease Study (NSHDS) and the Northern Sweden Maternity Cohort (NSMC), the prevalence of chlamydial and anti-MUC1 antibodies was analyzed in blood samples drawn more than one year prior to diagnosis from 92 women with HGSC and 363 matched controls. Matching factors were age and date at blood draw. Plasma C. trachomatis IgG was analyzed using a MIF-test (Focus Diagnostics), chlamydial HSP60 (cHSP60) and anti-MUC1 IgG were analyzed using ELISA serology (Medac; Thermo-Fisher Scientific). HGSC diagnosis was confirmed by pathology report review.Data were analyzed using Chi-square test, Fisher’s exact test and Mann-Whitney U test. Correlation analysis was done by Spearman’s correlation test. A two-sided P-value less than 0.05 was considered significant.Results The prevalence of C. trachomatis IgG and cHSP60 IgG antibodies, as well as the level of anti-MUC1 IgG in women with HGSC compared with controls were similar (16.3% vs. 17.0%, p=0.867; 27.3% vs 28.5%, p=0.802; median 0.24 vs 0.25, p=0.700). A significant correlation was found between anti-MUC1 IgG and cHSP60 IgG (r=0.169; p< 0.001).Conclusion There were no significant association between chlamydial or anti-MUC1 IgG antibodies and HGSC in this prospective nested case control study.
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| 5. |
- Jonsson, Sarah, et al.
(författare)
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Chlamydia trachomatis and Anti-MUC1 Serology and Subsequent Risk of High-Grade Serous Ovarian Cancer : A Population-Based Case-Control Study in Northern Sweden
- 2020
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Ingår i: Translational Oncology. - : Elsevier. - 1944-7124 .- 1936-5233. ; 13:1, s. 86-91
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Tidskriftsartikel (refereegranskat)abstract
- BACKGROUND: Chlamydia trachomatis salpingitis causes inflammatory damage to the fallopian tube and could potentially cause initiation and progression of high-grade serous ovarian cancer (HGSC). Furthermore, C. trachomatis infection may stimulate mucin 1 (MUC1) protein production, possibly affecting anti-MUC1 antibody levels. The aim of this study was to examine if serology indicating past infection with C. trachomatis as well as anti-MUC1 production was associated with subsequent risk of HGSC.MATERIALS AND METHODS: In a prospective nested case-control study within the Northern Sweden Health and Disease Study and the Northern Sweden Maternity Cohort, the prevalence of chlamydial and anti-MUC1 antibodies was analyzed in blood samples drawn more than one year before diagnosis from 92 women with HGSC and 359 matched controls. Matching factors were age, date at blood draw, and sampling cohort. Plasma C. trachomatis IgG was analyzed using commercial micro-immunofluorescence test; chlamydial Heat Shock Protein 60 IgG (cHSP60) and anti-MUC1 IgG were analyzed with ELISA technique.RESULTS: The prevalence of C. trachomatis IgG and cHSP60 IgG antibodies, as well as the level of anti-MUC1 IgG was similar in women with HGSC and controls (16.3% vs. 17.0%, P = 0.87; 27.2% vs. 28.5%, P = 0.80; median 0.24 vs. 0.25, P = 0.70). Anti-MUC1 IgG and cHSP60 IgG levels were correlated (r = 0.169; P < 0.001).CONCLUSIONS: The findings of this prospective nested case-control study did not support an association between C. trachomatis infection, as measured by chlamydial serology, or anti-MUC1 IgG antibodies, and subsequent risk of HGSC.
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