title: The relationship between the symptoms of female gonococcal infections and serum progesterone level and the genotypes of Neisseria gonorrhoeae multi-antigen sequence type (NG-MAST) in Wuhan, China.
abstract: The objective of this investigation was to study the relationship between the symptoms of female gonococcal infections and serum progesterone level and the genotypes of Neisseria gonorrhoeae multi-antigen sequence type (NG-MAST) in Wuhan, China. Eighty-one strains of N. gonorrhoeae were harvested from the vaginal discharge of 975 adult females in Wuhan and were genotyped by using NG-MAST. Serum progesterone (P) and estradiol (E(2)) levels were measured by radio immunoassay (RIA) in 39 gonorrhea-infected patients with slight symptoms (asymptomatic group) and 42 patients with conspicuous symptoms (symptomatic group). The average levels of serum progesterone in the asymptomatic group were significantly higher than in the symptomatic group (p < 0.05), while no significant difference was found in serum estradiol between the two groups. Of 81 wild-type isolates, 50 NG-MAST sequence types were associated with female infections in Wuhan, and N. gonorrhoeae ST2951, ST735, and ST436 were principally found in asymptomatic patients. ST809 and ST369, however, were mainly detected in asymptomatic female subjects. Gonococcal genetic island (GGI)-positive and GGI-negative strains were found in both the asymptomatic group and the symptomatic group. In females with gonococcal infection, high serum progesterone level is associated with the absence of symptoms, but no association was revealed between genotypes and the presence of symptoms. The GGI bears no relation to the absence of symptoms in the patients.
authors.affiliation: Department of Dermatology, Wuhan University of Science and Technology, Wuhan, China.
authors.forename: Z
authors.initials: Z
authors.lastname: Wu
authors.forename: L
authors.initials: L
authors.lastname: Xu
authors.forename: Y
authors.initials: Y
authors.lastname: Tu
authors.forename: R
authors.initials: R
authors.lastname: Chen
authors.forename: Y
authors.initials: Y
authors.lastname: Yu
authors.forename: J
authors.initials: J
authors.lastname: Li
authors.forename: M
authors.initials: M
authors.lastname: Tan
authors.forename: H
authors.initials: H
authors.lastname: Chen
mesh_terms: D000293:Adolescent; D000328:Adult; D000818:Animals; D000942:Antigens, Bacterial / Q000235:genetics; D015373:Bacterial Typing Techniques; D002681:China; D004958:Estradiol / Q000097:blood; D005260:Female; D005838:Genotype; D006069:Gonorrhea / Q000382:microbiology* / Q000473:pathology*; D006801:Humans; D058885:Multilocus Sequence Typing; D009344:Neisseria gonorrhoeae / Q000145:classification* / Q000235:genetics / Q000302:isolation & purification*; D011374:Progesterone / Q000097:blood*; D011863:Radioimmunoassay; D019522:Vaginal Discharge / Q000382:microbiology; D055815:Young Adult
chemical_list: D000942:Antigens, Bacterial; D011374:Progesterone; D004958:Estradiol
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