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Mycoplasma genitalium

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https://www.readbyqxmd.com/read/28803864/the-detection-of-microorganisms-related-to-urethritis-from-the-oral-cavity-of-male-patients-with-urethritis
#1
Phuong Thi Le, Ryoichi Hamasuna, Masahiro Matsumoto, Keiichi Furubayashi, Masayuki Hatanaka, Shuichi Kawai, Takamasa Yamaguchi, Kazutaka Uehara, Norihiko Murakami, Masaru Yoshioka, Ken Nakayama, Yutaka Shiono, Keisuke Muraoka, Masahiko Suzuki, Naohiro Fujimoto, Tetsuro Matsumoto
OBJECTIVES: To investigate the presence of microorganisms related to urethritis in the oral cavity of male patients with urethritis and the efficacies of antimicrobials for urethritis on microorganisms in the oral cavity. METHODS: Ninety-two male patients with urethritis and 17 male controls participated to this study at 12 urology clinics in Japan between March 2014 and March 2015. The first voided urine (FVU) and oral wash fluid (OWF) specimens were collected from the participants...
August 10, 2017: Journal of Infection and Chemotherapy: Official Journal of the Japan Society of Chemotherapy
https://www.readbyqxmd.com/read/28794183/french-prospective-clinical-evaluation-of-the-aptima%C3%A2-mycoplasma-genitalium-assay-ce-ivd-and-macrolide-resistance-detection-using-three-distinct-assays
#2
Chloé Le Roy, Sabine Pereyre, Nadège Hénin, Cécile Bébéar
The aim of this study was to evaluate the clinical performance of the Aptima® Mycoplasma genitalium CE-IVD (MG-TMA) assay for the detection of Mycoplasma genitalium in clinical male and female samples in comparison with the in-house real-time PCR (in-house PCR) assay routinely used in our laboratory. A total of 1,431 clinical specimens obtained from 1,235 patients were prospectively collected at the Bacteriology Department of Bordeaux University Hospital (France). Additional research-use-only Aptima® M. genitalium TMA assays, Alt1-TMA and Alt2-TMA, were performed on discordant specimens to determine the M...
August 9, 2017: Journal of Clinical Microbiology
https://www.readbyqxmd.com/read/28762558/mycoplasma-genitalium-an-agent-of-reemerging-sexually-transmitted-infections
#3
Sophie Edouard, Hervé Tissot-Dupont, Grégory Dubourg, Annick Bernard, Pierre-Edouard Fournier, Isabelle Ravaux, Andreas Stein, Didier Raoult
M. genitalium is a reemerging microorganism, responsible for sexually transmissible infections (STIs), with prevalence which varies depending on the country and population group studied. We report here M. genitalium prevalence among the specimens received for STI diagnosis in our routine microbiological laboratory in the university hospital in Marseille, France. We tested 4 624 samples from 3 793 patients using qPCR for M. genitalium, C. trachomatis, N. gonorrheae, T. pallidum. Of these samples, 528 (13.6%) patients were tested positive for at least one pathogen and 126 (3...
August 1, 2017: APMIS: Acta Pathologica, Microbiologica, et Immunologica Scandinavica
https://www.readbyqxmd.com/read/28757928/assessing-the-need-for-routine-screening-for-mycoplasma-genitalium-in-the-low-risk-female-population-a-prevalence-and-co-infection-study-on-women-from-croatia
#4
Sunčanica Ljubin-Sternak, Tomislav Meštrović, Branko Kolarić, Neda Jarža-Davila, Tatjana Marijan, Jasmina Vraneš
BACKGROUND: There is an ongoing debate regarding possible cost and benefits, but also harm of universal screening for the emerging sexually transmitted pathogen Mycoplasma genitalium. METHODS: From the initial pool of 8665 samples that were tested, a subset of Chlamydia trachomatis-positive and randomly selected C. trachomatis-negative cervical swabs were further interrogated for M. genitalium by real-time polymerase chain reaction, using a 224 bp long fragment of the glyceraldehyde-3-phosphate dehydrogenase gene...
2017: International Journal of Preventive Medicine
https://www.readbyqxmd.com/read/28724558/molecular-diagnostics-update-for-the-emerging-if-not-already-widespread-sexually-transmitted-infection-agent-mycoplasma-genitalium-just-about-ready-for-prime-time
#5
Erik Munson
Mycoplasma genitalium is an important and emerging agent of sexually-transmitted infection in both females and males, carrying the potential for post-infection genital tract sequelae. Past efforts to identify this organism on a routine basis, which were problematic due to the fastidious nature of the bacterium and its antigenic intricacies, have recently become supplemented by molecular diagnostics. A number of these assays is available commercially. This mini-review describes the format and performance indices of a number of M...
July 19, 2017: Journal of Clinical Microbiology
https://www.readbyqxmd.com/read/28717051/detection-of-markers-predictive-of-macrolide-and-fluoroquinolone-resistance-in-mycoplasma-genitalium-from-patients-attending-sexual-health-services-in-england
#6
Rachel Pitt, Helen Fifer, Neil Woodford, Sarah Alexander
OBJECTIVES: Resistance to both macrolides and fluoroquinolones has been reported in Mycoplasma genitalium; however, due to limited diagnostics, studies are often small and confined to specific geographical areas. This study sought to determine the rate of predicted resistance in M. genitalium-positive specimens referred for diagnostic testing. METHODS: Seventy-four M. genitalium-positive specimens, referred to the national reference laboratory (2010-2013) from 19 centres across England, were blinded and anonymised...
July 17, 2017: Sexually Transmitted Infections
https://www.readbyqxmd.com/read/28717050/which-azithromycin-regimen-should-be-used-for-treating-mycoplasma-genitalium-a-meta-analysis
#7
REVIEW
Patrick Horner, Suzanne M Ingle, Frederick Garrett, Karla Blee, Fabian Kong, Peter Muir, Harald Moi
BACKGROUND: There is increasing evidence that azithromycin 1 g is driving the emergence of macrolide resistance in Mycoplasma genitalium worldwide. We undertook a meta-analysis of M. genitalium treatment studies using azithromycin 1 g single dose and azithromycin 500 mg on day 1 then 250 mg daily for 4 days (5-day regimen) to determine rates of treatment failure and resistance in both regimens. METHODS: The online databases PubMed and Medline were searched using terms "Mycoplasma genitalium", "macrolide" or "azithromycin" and "resistance" up to April 2016...
July 17, 2017: Sexually Transmitted Infections
https://www.readbyqxmd.com/read/28711440/prevalence-of-cervical-colonization-by-ureaplasma-parvum-ureaplasma-urealyticum-mycoplasma-hominis-and-mycoplasma-genitalium-in-childbearing-age-women-by-a-commercially-available-multiplex-real-time-pcr-an-italian-observational-multicentre-study
#8
Christian Leli, Antonella Mencacci, Maria Agnese Latino, Pierangelo Clerici, Mario Rassu, Stefano Perito, Roberto Castronari, Eleonora Pistoni, Eugenio Luciano, Daniela De Maria, Cristina Morazzoni, Michela Pascarella, Silvia Bozza, Alessandra Sensini
BACKGROUND: Mycoplasmas are frequently isolated from the genital tract. New molecular PCR-based methods for the detection of mycoplasmas can better define the real epidemiology of these microorganisms. The aim of this study was to evaluate the prevalence of mycoplasmas in a population of childbearing age women by means of PCR. METHODS: This 21-month multicentre observational study was conducted at four Italian clinical microbiology laboratories. Women reporting symptoms of vaginitis/cervicitis, or with history of infertility, pregnancy, miscarriage or preterm birth were included...
June 28, 2017: Journal of Microbiology, Immunology, and Infection, Wei Mian Yu Gan Ran za Zhi
https://www.readbyqxmd.com/read/28703724/mycoplasma-genitalium-on-the-loose-time-to-sound-the-alarm
#9
Lisa E Manhart
No abstract text is available yet for this article.
August 2017: Sexually Transmitted Diseases
https://www.readbyqxmd.com/read/28701270/mycoplasma-genitalium-yet-another-challenging-sti
#10
Jørgen Skov Jensen
No abstract text is available yet for this article.
July 7, 2017: Lancet Infectious Diseases
https://www.readbyqxmd.com/read/28698342/prevalence-and-antibiotic-resistance-of-mycoplasma-genitalium-among-sti-clinic-attendees-in-western-canada-a-cross-sectional-analysis
#11
Jennifer Gratrix, Sabrina Plitt, LeeAnn Turnbull, Petra Smyczek, Judith Brandley, Ron Scarrott, Prenilla Naidu, Penny Parker, Brenda Blore, Amy Bull, Sandy Shokoples, Lindsay Bertholet, Irene Martin, Max Chernesky, Ron Read, Ameeta Singh
OBJECTIVES: To determine the prevalence and correlates of Mycoplasma genitalium (MG) infection among men and women, determine the prevalence of gene mutations conferring resistance and compare test performance of female specimen types. METHODS: A cross-sectional study was conducted on specimens collected for gonorrhoea (NG, Neisseria gonorrhoeae) and chlamydia (CT, Chlamydia trachomatis) among male and female Alberta STI clinic attendees using the M. genitalium transcription-mediated amplification-research use only test...
July 10, 2017: BMJ Open
https://www.readbyqxmd.com/read/28697843/uriswab-an-effective-transport-medium-for-nucleic-acid-detection-of-chlamydia-trachomatis-mycoplasma-genitalium-and-neisseria-gonorrhoeae
#12
Anna-Maria G Costa, Suzanne M Garland, Rebecca Guy, Handan Wand, Sepehr N Tabrizi
Background: Patient self-sampling allows for remote collection and return to clinic or laboratory by post. Urine samples, although convenient, are challenging to post. This study evaluated UriSwab (Copan, Brescia, Italy) as a collection and transport vessel for Chlamydia trachomatis (CT), Neisseria gonorrhoeae (NG) and Mycoplasma genitalium (MG) detection by polymerase chain reaction, compared with flocked swab and neat urine. Methods: Five replicates of each specimen type were prepared from previously characterised urine samples (n=330), stored at room temperature (RT) or 37°C, then extracted on day 1, 3, 7, 10 and 16 (VERSANT kPCR Sample Prep System, Siemens, Munich, Germany)...
July 12, 2017: Sexual Health
https://www.readbyqxmd.com/read/28684610/rapid-accurate-point-of-care-tests-combining-diagnostics-and-antimicrobial-resistance-prediction-for-neisseria-gonorrhoeae-and-mycoplasma-genitalium
#13
Syed Tariq Sadiq, Fulvia Mazzaferri, Magnus Unemo
In addition to inadequate access to early diagnosis and treatment with antimicrobial agents for patients and sexual contacts, management and control of STIs is significantly challenged by emergence and spread of antimicrobial resistance (AMR), particularly for STIs such as Neisseria gonorrhoeae and Mycoplasma genitalium This is further compounded by use of nucleic acid amplification techniques for diagnosis, resulting in reduced phenotypic AMR testing for N. gonorrhoeae and absence or suboptimal AMR surveillance for guiding treatment of both STIs in many settings...
July 6, 2017: Sexually Transmitted Infections
https://www.readbyqxmd.com/read/28681067/mycoplasma-genitalium-and-macrolide-resistance-associated-mutations-in-the-sk%C3%A3-ne-region-of-southern-sweden-2015
#14
Ola Forslund, Max Hjelm, Ragghd El-Ali, Annika Johnsson, Carina Bjartling
Mycoplasma genitalium is a sexually transmitted infection ordinarily treated with azithromycin. Emerging resistance to macrolide is linked to mutations in the 23S rRNA gene. We analysed the frequency of such mutations of M. genitalium isolates from patients that were symptomatic, and from sexual partners of symptomatic individuals, from October to December of 2015, in the Skåne Region of Sweden. Mutations were analysed by the use of DNA sequencing. Overall, 11.9% (145/1311) and 17.0% (116/704) of females and males were positive for M...
July 6, 2017: Acta Dermato-venereologica
https://www.readbyqxmd.com/read/28671286/structural-characterization-of-the-nap-the-major-adhesion-complex-of-the-human-pathogen-mycoplasma-genitalium
#15
Margot P Scheffer, Luis Gonzalez-Gonzalez, Anja Seybert, Mercè Ratera, Michael Kunz, José M Valpuesta, Ignacio Fita, Enrique Querol, Jaume Piñol, Jaime Martín-Benito, Achilleas S Frangakis
Mycoplasma genitalium, the causative agent of non-gonococcal urethritis and pelvic inflammatory disease in humans, is a small eubacterium that lacks a peptidoglycan cell wall. On the surface of its plasma membrane is the major surface adhesion complex, known as NAP, that is essential for adhesion and gliding motility of the organism. Here, we have performed cryo-electron tomography of intact cells and detergent permeabilized M. genitalium cell aggregates, providing sub-tomogram averages of free and cell-attached NAPs respectively, revealing a tetrameric complex with two-fold rotational (C2) symmetry...
July 3, 2017: Molecular Microbiology
https://www.readbyqxmd.com/read/28669322/cost-effectiveness-of-microscopy-of-urethral-smears-for-asymptomatic-mycoplasma-genitalium-urethritis-in-men-in-england
#16
Andrew J Sutton, Tracy E Roberts, Louise Jackson, John Saunders, Peter J White, Ruthie Birger, Claudia Estcourt
The objective was to determine whether or not the limited use of urethral microscopy to diagnose asymptomatic and symptomatic non-chlamydial, non-gonococcal urethritis (NCNGU) in men is a cost-effective strategy to avert pelvic inflammatory disease (PID), ectopic pregnancy or infertility in female partners. Outputs from a transmission dynamic model of NCNGU in a population of 16-30 year olds in England simulating the number of consultations, PID cases and patients treated over time amongst others, were used along with secondary data to undertake a cost-effectiveness analysis carried out from a health care provider perspective...
January 1, 2017: International Journal of STD & AIDS
https://www.readbyqxmd.com/read/28646898/prevalence-of-chlamydia-trachomatis-neisseria-gonorrhoeae-mycoplasma-genitalium-and-ureaplasma-urealyticum-infections-using-a-novel-isothermal-simultaneous-rna-amplification-testing-method-in-infertile-males
#17
Ling Qing, Qi-Xiang Song, Jian-Li Feng, Hai-Yan Li, Guiming Liu, Hai-Hong Jiang
BACKGROUND: The purpose of this study was to evaluate the prevalence of Chlamydia trachomatis, Neisseria gonorrhoeae, Mycoplasma genitalium and Ureaplasma urealyticum infections in infertile men that consulted our outpatient departments using a novel simultaneous amplification testing (SAT) that is RNA-detection based. The possible impact of C. trachomatis, N. gonorrhoeae, M. genitalium and U. urealyticum infections on semen parameters was also noted in the present study. METHODS: A total of 2607 males that were diagnosed with infertility were included in this study...
June 24, 2017: Annals of Clinical Microbiology and Antimicrobials
https://www.readbyqxmd.com/read/28640054/mycoplasma-genitalium
#18
Elizabeth Heavey
No abstract text is available yet for this article.
July 2017: Nursing
https://www.readbyqxmd.com/read/28608794/mycoplasma-genitalium-antibiotic-resistance-mediating-mutations-in-canadian-women-with-or-without-chlamydia-trachomatis-infection
#19
Max A Chernesky, Dan Jang, Irene Martin, Linda M N Hoang, Prenilla Naidu, Paul N Levett, John Wylie, Anu Rebbapragada, Sam Ratnam, Marek Smieja, Barbara Weinbaum, Damon Getman
Testing remnant Aptima specimens from women infected with Chlamydia trachomatis detected 13.4% (53/396) with Mycoplasma genitalium compared with 5.4% (22/406) in matched C. trachomatis-negative women. Overall, 9.4% (provincial ranges of 3-20%) were infected with M. genitalium and resistance mediating mutations were found in 47.3% (26/55) to macrolides and 1.9% (1/53) to fluoroquinolones by sequencing.
July 2017: Sexually Transmitted Diseases
https://www.readbyqxmd.com/read/28608793/the-immunopathogenesis-of-mycoplasma-genitalium-infections-in-women-a-narrative-review
#20
Patricia M Dehon, Chris L McGowin
Mycoplasma genitalium is a common, predominately asymptomatic, and often undiagnosed sexually transmitted infection that is associated with inflammatory urogenital and reproductive tract disease syndromes of men and women. Without programmatic screening in the United States, and with increasing resistance to antibiotics used in empiric sexually transmitted infection management, undiagnosed M. genitalium infections put many women at risk for cervicitis and pelvic inflammatory disease. Chronic infection may also lead to tubal-factor infertility, adverse pregnancy outcomes in expectant mothers, and is a risk factor for acquisition and transmission of human immunodeficiency virus...
July 2017: Sexually Transmitted Diseases
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