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Ureaplasma

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https://www.readbyqxmd.com/read/29455108/ureaplasma-isolates-differentially-modulate-growth-factors-and-cell-adhesion-molecules-in-human-neonatal-and-adult-monocytes
#1
Kirsten Glaser, Christine Silwedel, Ana Maria Waaga-Gasser, Birgit Henrich, Markus Fehrholz, Heike Claus, Christian P Speer
Generally regarded as commensal bacteria, the pathogenicity of Ureaplasma has often been considered low. Controversy remains concerning the clinical relevance of Ureaplasma infection in the pathogenesis of inflammation-related morbidities. Recently, we demonstrated Ureaplasma-driven pro-inflammatory cytokine responses in human monocytes in vitro. We hypothesized that Ureaplasma may induce further inflammatory mediators. Using qRT-PCR and multi-analyte immunoassay, we assessed the expression of granulocyte-colony stimulating factor (G-CSF), vascular endothelial growth factor (VEGF), intercellular adhesion molecule 1 (ICAM-1) and vascular cell adhesion molecule 1 (VCAM-1) in term neonatal and adult monocytes exposed to Ureaplasma urealyticum serovar 8 (Uu8) and U...
February 15, 2018: Cytokine
https://www.readbyqxmd.com/read/29428309/mycoplasma-genitalium-can-modulate-the-local-immune-response-in-patients-with-endometriosis
#2
Guilherme B Campos, Lucas M Marques, Izadora S Rezende, Maysa S Barbosa, Mauricio S Abrão, Jorge Timenetsky
OBJECTIVE: To detect Mollicutes in women with endometriosis and healthy peritoneal tissues and evaluate the participation of these bacteria in the immune response during endometriosis. DESIGN: Cross-sectional study. SETTING: University hospitals. PATIENT (S): Women with endometriosis (n = 73) and without endometriosis (n = 31). INTERVENTION(S): Endocervical swabs, peritoneal fluid, and biopsied lesions of endometriosis of women with endometriosis (study group) and healthy peritoneal tissues (control group) were collected during surgery...
February 7, 2018: Fertility and Sterility
https://www.readbyqxmd.com/read/29396486/in-vivo-microbiome-and-associated-immune-markers-new-insights-into-the-pathogenesis-of-vaginal-dysbiosis
#3
Giuseppina Campisciano, Nunzia Zanotta, Danilo Licastro, Francesco De Seta, Manola Comar
The microbiota fulfils a key role in the training and function of the immune system, which contributes to the symbiosis between the host and complex microbial communities. In this study, we characterized the interplay between vaginal bacteria and local immune mediators during dysbiosis in selected women of reproductive age who were grouped according to Nugent's criteria. The abundance of Gardnerella vaginalis and Bifidobacterium breve was increased in the intermediate dysbiotic status, while the presence of a plethora of non-resident bacteria characterized the group with overt vaginosis...
February 2, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29376609/-concomitant-urogenital-infections-in-men
#4
O A Chubukova, V V Shkarin
The article presents possible combinations of urogenital infections of various etiologies and some pathogenetic, clinical and epidemiological features, and issues of epidemiological surveillance for co-infection. The authors describe in detail combinations with each other and with other diseases of such pathogens as Chlamydia trachomatis, Ureaplasma urealyticum, Mycoplasma spp., Neisseria gonorrhoeae, Trichomonas vaginalis. They also focus on the problem of co-occurrence of human papillomavirus (HPV) with other urogenital pathogens...
December 2017: Urologii︠a︡
https://www.readbyqxmd.com/read/29376018/effects-of-infections-with-five-sexually-transmitted-pathogens-on-sperm-quality
#5
Sung Jae Kim, Doo-Jin Paik, Joong Shik Lee, Hyo Serk Lee, Ju Tae Seo, Mi Seon Jeong, Jae-Ho Lee, Dong Wook Park, Sangchul Han, Yoo Kyung Lee, Ki Heon Lee, In Ho Lee, Kyeong A So, Seon Ah Kim, Juree Kim, Tae Jin Kim
Objective: This study investigated the prevalence of infections with human papillomavirus, Chlamydia trachomatis, Ureaplasma urealyticum, Mycoplasma hominis, and Mycoplasma genitalium in the semen of Korean infertile couples and their associations with sperm quality. Methods: Semen specimens were collected from 400 men who underwent a fertility evaluation. Infection with above five pathogens was assessed in each specimen. Sperm quality was compared in the pathogen-infected group and the non-infected group...
December 2017: Clinical and Experimental Reproductive Medicine
https://www.readbyqxmd.com/read/29363502/prevention-of-bronchopulmonary-dysplasia-in-extremely-low-gestational-age-neonates-current-evidence
#6
REVIEW
Christian F Poets, Laila Lorenz
Bronchopulmonary dysplasia (BPD) is one of the most frequent complications in extremely low gestational age neonates, but has remained largely unchanged in rate. We reviewed data on BPD prevention focusing on recent meta-analyses. Interventions with proven effectiveness in reducing BPD include the primary use of non-invasive respiratory support, the application of surfactant without endotracheal ventilation and the use of volume-targeted ventilation in infants requiring endotracheal intubation. Following extubation, synchronised nasal ventilation is more effective than continuous positive airway pressure in reducing BPD...
January 23, 2018: Archives of Disease in Childhood. Fetal and Neonatal Edition
https://www.readbyqxmd.com/read/29359847/successful-resolution-of-hyperammonemia-following-hematopoietic-cell-transplantation-with-directed-treatment-of-ureaplasma-parvum-infection
#7
Riley Graetz, Robyn Meyer, Kareem Shehab, Emmanuel Katsanis
Hyperammonemia following hematopoietic cell transplantation (HCT) has been characterized as idiopathic and is associated with a very high mortality. A causal relationship between Ureaplasma infection and hyperammonemia in immunocompromised lung transplant recipients has recently been described. We document the first case of hyperammonemia following HCT associated with Ureaplasma parvum. The initiation of appropriate antibiotics resulted in rapid resolution of hyperammonemic encephalopathy and eradication of the implicating organism...
January 23, 2018: Transplant Infectious Disease: An Official Journal of the Transplantation Society
https://www.readbyqxmd.com/read/29333787/detection-of-ureaplasma-species-by-a-semi-quantitative-pcr-test-in-urine-samples-can-it-predict-clinical-significance
#8
Merav Strauss, Raul Colodner, Dana Sagas, Azmi Adawi, Hanna Edelstein, Bibiana Chazan
BACKGROUND: Ureaplasma species (Usp) are the most prevalent genital Mycoplasma isolated from the urogenital tract of both men and women. Usp may be commensals in the genital tract but may also be contributors to a number of pathological conditions of the genital tract. Because they can also just colonize the genital tract of healthy people, their pathogenic role can be difficult to prove. OBJECTIVES: The aim of the study was to evaluate the efficacy of a quantitative polymerase chain reaction (qPCR) method for the discrimination between infection and colonization by measuring prevalence of Usp in asymptomatic versus symptomatic patients...
January 2018: Israel Medical Association Journal: IMAJ
https://www.readbyqxmd.com/read/29313203/prevalence-and-antimicrobial-resistance-of-ureaplasma-spp-and-mycoplasma-hominis-isolated-from-semen-samples-of-infertile-men-in-shanghai-china-from-2011-to-2016
#9
Y-H Zhou, H-X Ma, Y Yang, W-M Gu
This study was conducted to estimate the prevalence and antimicrobial resistance rate of Ureaplasma spp. and Mycoplasma hominis that were isolated from the semen samples of infertile males in Shanghai, China from 2011 to 2016. A total of 5016 infertile males and 412 healthy male controls were examined. The cultivation, identification, and antimicrobial susceptibilities of Ureaplasma spp. and M. hominis were assessed by using a Mycoplasma IST kit that was performed in parallel to selective solid agar cultivation...
January 8, 2018: European Journal of Clinical Microbiology & Infectious Diseases
https://www.readbyqxmd.com/read/29302101/can-ureaplasma-diversum-be-transmitted-from-donor-to-recipient-through-the-embryo-two-case-reports-outlining-u-diversum-losses-in-bovine-embryo-pregnancies
#10
M Bronwyn Crane, Colleen A Hughes
Two bovine embryo recovery results are outlined from different herds. Both cases involve significant late gestational loss from embryos relating back to a single donor. Ureaplasma diversum was confirmed in 3 of 4 cases submitted for postmortem examination. Natural infection originating from the donor and transmitted to the recipient has not previously been documented.
January 2018: Canadian Veterinary Journal. la Revue Vétérinaire Canadienne
https://www.readbyqxmd.com/read/29286178/toll-like-receptor-variants-and-cervical-atopobium-vaginae-infection-in-women-with-pelvic-inflammatory-disease
#11
Brandie D Taylor, Patricia A Totten, Sabina G Astete, Michael J Ferris, David H Martin, Roberta B Ness, Catherine L Haggerty
PROBLEM: Toll-like (TLR) receptor genetic variants have been implicated in bacterial vaginosis (BV). We determined whether TLR variants are associated with fastidious BV-associated microbes that are linked with infertility following pelvic inflammatory disease (PID). METHOD OF STUDY: Sneathia spp., Atopobium vaginae, BVAB1, and Ureaplasma urealyticum were measured in 250 women from the PID Evaluation and Clinical Health (PEACH) study. Relative risk (RR) and 95% confidence intervals (CI) were calculated adjusting for chlamydia and gonorrhea...
December 29, 2017: American Journal of Reproductive Immunology: AJRI
https://www.readbyqxmd.com/read/29280134/a-retrospective-pilot-study-to-determine-whether-the-reproductive-tract-microbiota-differs-between-women-with-a-history-of-infertility-and-fertile-women
#12
Bryan A Wee, Mark Thomas, Emma Louise Sweeney, Francesca D Frentiu, Melanie Samios, Jacques Ravel, Pawel Gajer, Garry Myers, Peter Timms, John A Allan, Wilhelmina M Huston
BACKGROUND: We know very little about the microbiota inhabiting the upper female reproductive tract and how it impacts on fertility. AIMS: This pilot study aimed to examine the vaginal, cervical and endometrial microbiota for women with a history of infertility compared to women with a history of fertility. MATERIALS AND METHODS: Using a retrospective case-control study design, women were recruited for collection of vaginal, cervical and endometrial samples...
December 26, 2017: Australian & New Zealand Journal of Obstetrics & Gynaecology
https://www.readbyqxmd.com/read/29246195/co-infection-of-sexually-transmitted-pathogens-and-human-papillomavirus-in-cervical-samples-of-women-of-brazil
#13
Aline Teixeira Amorim, Lucas Miranda Marques, Guilherme Barreto Campos, Tássia Neves Lobão, Vanesca de Souza Lino, Ricardo Cesar Cintra, Maria Antonieta Andreoli, Luisa Lina Villa, Enrique Boccardo, Antonio Carlos Ricardo Braga Junior, Rossana Verónica Mendoza López, Djanilson Barbosa Dos Santos, Gerson Maciel de Souza, Carla Cristina Romano, Jorge Timenetsky
BACKGROUND: Some sexually transmitted infectious agents, such as Chlamydia trachomatis and Herpes simplex, cause local inflammation, and could contribute to Human Papillomavirus (HPV) and cervical lesion progression. Thus, the aim of this study was to determine any association between the presence of microorganisms of gynecological importance, sexual behavior, clinical and demographical variables to the development and progress of cervical lesions. METHODS: One hundred and thirty-two women between 14 and 78 years and living at Vitória da Conquista, Bahia, Brazil, were included (62 individuals with cervical lesions and 70 without lesions)...
December 15, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/29236848/histopatology-of-the-reproductive-tract-of-nellore-pubertal-heifers-with-genital-ureaplasmosis
#14
Regiani Pôrto, Benedito Oliveira Filho, Henrique Ferraz, Luciano Caixeta, Marco Antonio Viu, Maria Lúcia Gambarini
In order to study and characterize the lesions in the reproductive tract of Nellore heifers naturally infected with Ureaplasma diversum and presenting granular vulvovaginitis syndrome (GVS), fragments of uterine tube, uterus, cervix, vagina and vulva of 20 animals were evaluated. The macroscopic lesions of the vulvovaginal mucosa were classified in scores of "1" mild, until "4", severe inflammation and pustular or necrotic lesions. The histopathological evaluation was performed using scores of "1" to "4", according to the inflammatory alterations...
December 7, 2017: Anais da Academia Brasileira de Ciências
https://www.readbyqxmd.com/read/29234642/ureaplasma-species-differentially-modulate-pro-and-anti-inflammatory-cytokine-responses-in-newborn-and-adult-human-monocytes-pushing-the-state-toward-pro-inflammation
#15
Kirsten Glaser, Christine Silwedel, Markus Fehrholz, Ana M Waaga-Gasser, Birgit Henrich, Heike Claus, Christian P Speer
Background:Ureaplasma species have been associated with chorioamnionitis and preterm birth and have been implicated in the pathogenesis of neonatal short and long-term morbidity. However, being mostly commensal bacteria, controversy remains on the pro-inflammatory capacity of Ureaplasma. Discussions are ongoing on the incidence and impact of prenatal, perinatal, and postnatal infection. The present study addressed the impact of Ureaplasma isolates on monocyte-driven inflammation. Methods: Cord blood monocytes of term neonates and adult monocytes, either native or LPS-primed, were cultured with Ureaplasma urealyticum (U...
2017: Frontiers in Cellular and Infection Microbiology
https://www.readbyqxmd.com/read/29232399/maternal-white-blood-cell-count-cannot-identify-the-presence-of-microbial-invasion-of-the-amniotic-cavity-or-intra-amniotic-inflammation-in-women-with-preterm-prelabor-rupture-of-membranes
#16
Ivana Musilova, Lenka Pliskova, Romana Gerychova, Petr Janku, Ondrej Simetka, Petr Matlak, Bo Jacobsson, Marian Kacerovsky
OBJECTIVE: The main aim of this study was to determine the relationship between the maternal white blood cell (WBC) count at the time of hospital admission in pregnancies complicated by preterm prelabor rupture of membranes (PPROM) and the presence of microbial invasion of the amniotic cavity (MIAC) and/or intra-amniotic inflammation (IAI). The second aim was to test WBC diagnostic indices with respect to the presence of MIAC and/or IAI. METHODS: Four hundred and seventy-nine women with singleton pregnancies complicated by PPROM, between February 2012 and June 2017, were included in this study...
2017: PloS One
https://www.readbyqxmd.com/read/29225146/microbial-diversity-within-the-airway-microbiome-in-chronic-pediatric-lung-diseases
#17
Andrea Hahn, Stephanie Warnken, Marcos Pérez-Losada, Robert J Freishtat, Keith A Crandall
The study of the airway microbiome in children is an area of emerging research, especially in relation to the role microbial diversity may play in acute and chronic inflammation. Three such pediatric airway diseases include cystic fibrosis, asthma, and chronic lung disease of prematurity. In cystic fibrosis, the presence of Pseudomonas spp. is associated with decreased microbial diversity. Decreasing microbial diversity is also associated with poor lung function. In asthma, early viral infections appear to drive changes in bacterial diversity which may be associated with asthma risk...
December 7, 2017: Infection, Genetics and Evolution
https://www.readbyqxmd.com/read/29191491/a-nested-pcr-strategy-for-molecular-diagnosis-of-mollicutes-in-uncultured-biological-samples-from-cows-with-vulvovaginitis
#18
Daniele Cristina Voltarelli, Brígida Kussumoto de Alcântara, Michele Lunardi, Alice Fernandes Alfieri, Raquel de Arruda Leme, Amauri Alcindo Alfieri
Bacteria classified in Mycoplasma (M. bovis and M. bovigenitalium) and Ureaplasma (U. diversum) genera are associated with granular vulvovaginitis that affect heifers and cows at reproductive age. The traditional means for detection and speciation of mollicutes from clinical samples have been culture and serology. However, challenges experienced with these laboratory methods have hampered assessment of their impact in pathogenesis and epidemiology in cattle worldwide. The aim of this study was to develop a PCR strategy to detect and primarily discriminate between the main species of mollicutes associated with reproductive disorders of cattle in uncultured clinical samples...
November 24, 2017: Animal Reproduction Science
https://www.readbyqxmd.com/read/29182058/prevalence-and-antimicrobial-susceptibility-of-ureaplasma-species-and-mycoplasma-hominis-in-greek-female-outpatients-2012-2016
#19
Sofia Maraki, Viktoria Eirini Mavromanolaki, Eleni Nioti, Dimitra Stafylaki, George Minadakis
Mycoplasma hominis and Ureaplasma species are opportunistic pathogens associated with urogenital infections, complications during pregnancy and postpartum infections. Appropriate empirical antimicrobial treatment is necessary to achieve an optimal therapeutic outcome. This study evaluated the prevalence and the antimicrobial susceptibility of Mycoplasma hominis and Ureaplasma spp. isolated from 1,008 endocervical samples of outpatients in Crete, Greece, during a five-year period (2012-2016), using the commercially available Mycoview kit (Zeakon diagnostics, France)...
November 28, 2017: Journal of Chemotherapy
https://www.readbyqxmd.com/read/29157044/prenatal-complications-are-associated-with-the-postnatal-airway-host-response-and-microbiota-in-intubated-preterm-infants
#20
Brandie D Wagner, Marci K Sontag, J Kirk Harris, Joshua I Miller, Lindsey Morrow, Charles E Robertson, Mark J Stephens, Brenda B Poindexter, Steven H Abman, Peter M Mourani
PURPOSE: To prospectively examine the relationship between prenatal events, postnatal airway host response and microbiota, and clinical outcomes. MATERIALS AND METHODS: Tracheal aspirates collected at 7 days of age from 71 mechanically ventilated infants (median gestational age (GA), 25 weeks [range 23-28]) were simultaneously processed for a 12-plex protein assay and bacterial identification by 16S rRNA sequencing. Phenotypes were determined by unsupervised clustering of the protein analytes...
November 20, 2017: Journal of Maternal-fetal & Neonatal Medicine
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