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https://www.readbyqxmd.com/read/28633446/genetic-indicators-of-drug-resistance-in-the-highly-repetitive-genome-of-trichomonas-vaginalis
#1
Martina Bradic, Sally D Warring, Grace E Tooley, Paul Scheid, William E Secor, Kirkwood M Land, Po-Jung Huang, Ting-Wen Chen, Chi-Ching Lee, Petrus Tang, Steven A Sullivan, Jane M Carlton
Trichomonas vaginalis, the most common non-viral sexually transmitted parasite, causes ∼283 million trichomoniasis infections annually and is associated with pregnancy complications and increased risk of HIV-1 acquisition. The antimicrobial drug metronidazole is used for treatment, but in a fraction of clinical cases, the parasites can become resistant to this drug. We undertook sequencing of multiple clinical isolates and lab derived lines to identify genetic markers and mechanisms of metronidazole resistance...
June 19, 2017: Genome Biology and Evolution
https://www.readbyqxmd.com/read/28632191/sexually-transmitted-infections-a-novel-screening-strategy-for-improving-women-s-health-in-vulnerable-populations
#2
Elena R Frati, Ester Fasoli, Marianna Martinelli, Daniela Colzani, Silvia Bianchi, Luciana Carnelli, Antonella Amendola, Pierfranco Olivani, Elisabetta Tanzi
BACKGROUND: Migrant women are one of the most vulnerable population to health problems and well-being. This study aimed at implementing a counseling and preventive strategy for sexually transmitted infections (STIs) in undocumented migrant women in Milan, Italy. METHODS: Women (ages 18-65) were enrolled at the NAGA Centre (2012-2013) and asked for a urine sample in order to carry out molecular detection of Human papillomavirus (HPV), Chlamydia trachomatis (Ct), Trichomonas vaginalis (Tv), Neisseria gonorrhoeae (Ng)-DNA...
June 20, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28630471/candidatus-mycoplasma-girerdii-replicates-diversifies-and-co-occurs-with-trichomonas-vaginalis-in-the-oral-cavity-of-a-premature-infant
#3
Elizabeth K Costello, Christine L Sun, Erica M Carlisle, Michael J Morowitz, Jillian F Banfield, David A Relman
Genital mycoplasmas, which can be vertically transmitted, have been implicated in preterm birth, neonatal infections, and chronic lung disease of prematurity. Our prior work uncovered 16S rRNA genes belonging to a novel, as-yet-uncultivated mycoplasma (lineage 'Mnola') in the oral cavity of a premature neonate. Here, we characterize the organism's associated community, growth status, metabolic potential, and population diversity. Sequencing of genomic DNA from the infant's saliva yielded 1.44 Gbp of high-quality, non-human read data, from which we recovered three essentially complete (including 'Mnola') and three partial draft genomes (including Trichomonas vaginalis)...
June 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28617786/audit-of-trichomonas-vaginalis-test-requesting-by-community-referrers-after-a-change-from-culture-to-molecular-testing-including-a-cost-analysis
#4
Liselle Bissessor, Janet Wilson, Gary McAuliffe, Arlo Upton
AIMS: Trichomonas vaginalis (TV) prevalence varies among different communities and peoples. The availability of robust molecular platforms for the detection of TV has advanced diagnosis; however, molecular tests are more costly than phenotypic methodologies, and testing all urogenital samples is costly. We recently replaced culture methods with the Aptima Trichomonas vaginalis nucleic acid amplification test on specific request and as reflex testing by the laboratory, and have audited this change...
June 16, 2017: New Zealand Medical Journal
https://www.readbyqxmd.com/read/28612378/trichomonas-vaginalis-is-very-rare-among-women-with-vaginal-discharge-in-podlaskie-province-poland
#5
Agnieszka Beata Serwin, Violetta Bulhak-Koziol, Marianna Sokolowska, Daniel Golparian, Magnus Unemo
Trichomonas vaginalis is the most common curable sexually transmitted pathogen globally. However, in the European Union (EU), trichomoniasis appears to be a rare condition. The aim of this study was to examine the prevalence of T. vaginalis among females attending an STI centre in Bialystok, Poland, using the highly sensitive and specific APTIMA T. vaginalis assay. Consecutive females, referred by gynaecologists mainly because of abnormal vaginal discharge, were diagnosed using wet mount microscopy, culture and APTIMA T...
June 14, 2017: APMIS: Acta Pathologica, Microbiologica, et Immunologica Scandinavica
https://www.readbyqxmd.com/read/28602728/the-fluorescent-protein-ilov-outperforms-egfp-as-a-reporter-gene-in-the-microaerophilic-protozoan-trichomonas-vaginalis
#6
Shuqi E Wang, Anna E S Brooks, Bronwyn Cann, Augusto Simoes-Barbosa
Trichomonas vaginalis is a flagellated protozoan causing a notorious urogenital infection in humans. Due to its anaerobic metabolism, an alternative fluorescent protein that can be readily expressed in oxygen-deprived conditions is ideal. This study assessed the performance of iLOV, which does not require oxygen to function, as compared to the conventional enhanced green fluorescent protein (eGFP) in T. vaginalis. The results indicated that iLOV outperforms eGFP in both transient and stable expression, being detectable earlier and producing higher fluorescent intensity than eGFP in T...
June 9, 2017: Molecular and Biochemical Parasitology
https://www.readbyqxmd.com/read/28601086/burden-and-characteristics-of-hiv-infection-among-female-sex-workers-in-kampala-uganda-a-respondent-driven-sampling-survey
#7
Wolfgang Hladik, Andrew L Baughman, David Serwadda, Jordan W Tappero, Rachel Kwezi, Namakula D Nakato, Joseph Barker
BACKGROUND: Sex workers in Uganda are at significant risk for HIV infection. We characterized the HIV epidemic among Kampala female sex workers (FSW). METHODS: We used respondent-driven sampling to sample FSW aged 15+ years who reported having sold sex to men in the preceding 30 days; collected data through audio-computer assisted self-interviews, and tested blood, vaginal and rectal swabs for HIV, syphilis, neisseria gonorrhea, chlamydia trachomatis, and trichomonas vaginalis...
June 10, 2017: BMC Public Health
https://www.readbyqxmd.com/read/28595066/synthesis-antiprotozoal-activity-and-chemoinformatic-analysis-of-2-methylthio-1h-benzimidazole-5-carboxamide-derivatives-identification-of-new-selective-giardicidal-and-trichomonicidal-compounds
#8
Paulina Flores-Carrillo, José Miguel Velázquez-López, Rodrigo Aguayo-Ortiz, Alicia Hernández-Campos, Pedro Josué Trejo-Soto, Lilián Yépez-Mulia, Rafael Castillo
A series of twelve new 2-(methylthio)-1H-benzimidazole-5-carboxamide derivatives (1-12) were synthesized and their antiparasitic activity was tested in vitro against Giardia intestinalis, Trichomonas vaginalis and Entamoeba histolytica. Experimental evaluations showed IC50 values within the nanomolar range for all tested compounds, some showing higher activity than metronidazole and albendazole. A chemoinformatic study was used to compare the structure-activity relationship of the synthesized carboxamides with those of 91 previously studied benzimidazoles, and with some Nitazoxanide-N-methylbenzimidazole hybrids recently synthetized by our group...
May 29, 2017: European Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/28588629/in-vitro-and-in-vivo-activity-of-artemisia-sieberi-against-trichomonas-gallinae
#9
M R Youssefi, M Abouhosseini Tabari, A A Moghadamnia
In Iranian folk medicine Artemisia sieberi has been used for treatment of parasite infections in human and animals. The present study was designed to evaluate the in vitro and in vivo effects of A. sieberi essential oil (EO) against Trichomonas gallinae. Trichomonas gallinae were recovered by wet mount method from infected native pigeons. The in vitro assays were accomplished in multi-well plates containing metronidazole (MTZ) as a standard antitrichomonal and EO in final concentrations of 2.5, 5, 10, 20, 50, and 100 μg/ml of culture medium containing 10(4) parasites...
2017: Iranian journal of veterinary research
https://www.readbyqxmd.com/read/28583214/trichomonas-tenax-and-periodontal-diseases-a-concise-review
#10
Mathieu Marty, Mathieu Lemaitre, Philippe Kémoun, Jean-Jacques Morrier, Paul Monsarrat
Periodontal diseases (gingivitis and periodontitis), result from a disruption of the host-oral microbiome homoeostasis. Whereas the pathological role of some specific bacterial strains during periodontal diseases is well documented, the impact of parasites in periodontium pathophysiology is still under debate. This review aims to collect data about the prevalence and the potential role of Trichomonas tenax during periodontal diseases. Data from 47 studies revealed that T. tenax prevalence in diseased periodontium ranged from 0 to 94·1%...
June 6, 2017: Parasitology
https://www.readbyqxmd.com/read/28571765/potential-of-synthetic-endoperoxides-against-trichomonas-vaginalis-in-vitro
#11
Min-Young Seo, Jae-Sook Ryu, Akira Sato, Yuji Kurosaki, Kyung Soo Chang, Hye-Sook Kim
Metronidazole is well known for medicine against Trichomonas vaginalis infection, but it has side effects though it is effective, and especially because reports of metronidazole-tolerant species are increasing, the development of new medicine is being required. Here, we noticed the killing effects of endoperoxide compounds, N-89 and N-251 as new antimalarial drug candidates, on T. vaginalis and searched the possibility of development of new medicine. We added each of metronidazole, artemisinin, and two of new endoperoxides (N-89 and N-251) to metronidazole-resistant and -sensitive species and compared its anti-trichomonal efficacy...
May 29, 2017: Parasitology International
https://www.readbyqxmd.com/read/28571565/c-reactive-protein-is-differentially-modulated-by-co-existing-infections-vitamin-deficiencies-and-maternal-factors-in-pregnant-and-lactating-indigenous-panamanian-women
#12
Doris González-Fernández, Emérita Del Carmen Pons, Delfina Rueda, Odalis Teresa Sinisterra, Enrique Murillo, Marilyn E Scott, Kristine G Koski
BACKGROUND: The usefulness of C-reactive protein (CRP) as a non-specific marker of inflammation during pregnancy and lactation is unclear in impoverished populations where co-existing infections and vitamin deficiencies are common. METHODS: This cross-sectional study in Panama recruited 120 pregnant and 99 lactating Ngäbe-Buglé women from 14 communities in rural Panama. Obstetric history, indoor wood smoke exposure, fieldwork, BMI, vitamins A, B12, D, and folic acid, and inflammation markers (CRP, neutrophil/lymphocyte ratio (NLR), plateletcrit and cytokines) were measured...
June 2, 2017: Infectious Diseases of Poverty
https://www.readbyqxmd.com/read/28559923/prevalence-and-risk-factors-associated-with-sexually-transmitted-infections-stis-among-women-of-reproductive-age-in-swaziland
#13
Themba G Ginindza, Cristina D Stefan, Joyce M Tsoka-Gwegweni, Xolisile Dlamini, Pauline E Jolly, Elisabete Weiderpass, Nathalie Broutet, Benn Sartorius
BACKGROUND: Sexually transmitted infections (STIs) remain an important public health problem with approximately half a billion new cases annually among persons aged 15-49 years. Epidemiological data on STIs among women of reproductive age in Swaziland are limited. The availability of epidemiological data on STIs and associated risk factors in this population is essential for the development of successful prevention, diagnosis and management strategies in the country. The study aimed to determine the prevalence and risk factors associated with STIs...
2017: Infectious Agents and Cancer
https://www.readbyqxmd.com/read/28539504/strategies-for-prevention-and-treatment-of-trichomonas-vaginalis-infections
#14
REVIEW
Kawthar Bouchemal, Christian Bories, Philippe M Loiseau
The last estimated annual incidence of Trichomonas vaginalis worldwide exceeds that of chlamydia and gonorrhea combined. This critical review updates the state of the art on advances in T. vaginalis diagnostics and strategies for treatment and prevention of trichomoniasis. In particular, new data on treatment outcomes for topical administration of formulations are reviewed and discussed.
July 2017: Clinical Microbiology Reviews
https://www.readbyqxmd.com/read/28531212/epidemiological-investigation-of-the-relationship-between-common-lower-genital-tract-infections-and-high-risk-human-papillomavirus-infections-among-women-in-beijing-china
#15
Dai Zhang, Ting Li, Lei Chen, Xiaosong Zhang, Gengli Zhao, Zhaohui Liu
BACKGROUND: The incidence of lower genital tract infections in China has been increasing in recent years. The link between high-risk human papillomavirus (HR-HPV) and other sexually transmitted diseases (STDs) remains unclear. METHODS: From March to October 2014, gynecological examinations and questionnaires were conducted on 1218 married women. Cervical secretions and vaginal swab specimens were tested for Chlamydia trachomatis (CT), Neisseria gonorrhoeae (NG), Ureaplasma urealyticum (UU), yeast, clue cells and HR-HPV...
2017: PloS One
https://www.readbyqxmd.com/read/28525339/molecular-analysis-of-trichomonas-gallinae-in-racing-pigeons-from-upper-silesia-poland
#16
K Bobrek, J Urbanowicz, P Chorbiński, A Gaweł
The aim of the study was the molecular analysis of ITS1/5.8S rRNA/ITS2 region of Trichomonas gallinae isolates from racing pigeon lofts in Upper Silesia, Poland. The analysed region is very useful for the taxonomy of the Trichomonadidae family and indicates the possible existence of different genotypes or species within the T. gallinae. A comparison of the complete ITS1-5.8S-ITS2 region of obtained sequences revealed two different sequences. Twenty-three of the isolates (62%) showed the first sequence (KU954106) while fourteen isolates (38%) showed the second sequence type (KU954107), which were homologous with sequences from Genbank...
March 28, 2017: Polish Journal of Veterinary Sciences
https://www.readbyqxmd.com/read/28521843/high-prevalence-of-trichomonas-gallinae-in-wild-columbids-across-western-and-southern-europe
#17
Melanie Marx, Gerald Reiner, Hermann Willems, Gregorio Rocha, Klaus Hillerich, Juan F Masello, Sylvia L Mayr, Sarah Moussa, Jenny C Dunn, Rebecca C Thomas, Simon J Goodman, Keith C Hamer, Benjamin Metzger, Jacopo G Cecere, Fernando Spina, Steffen Koschkar, Luciano Calderón, Tanja Romeike, Petra Quillfeldt
BACKGROUND: Avian trichomonosis is known as a widespread disease in columbids and passerines, and recent findings have highlighted the pathogenic character of some lineages found in wild birds. Trichomonosis can affect wild bird populations including endangered species, as has been shown for Mauritian pink pigeons Nesoenas mayeri in Mauritius and suggested for European turtle doves Streptopelia turtur in the UK. However, the disease trichomonosis is caused only by pathogenic lineages of the parasite Trichomonas gallinae...
May 18, 2017: Parasites & Vectors
https://www.readbyqxmd.com/read/28511414/a-community-based-study-on-pelvic-inflammatory-disease-in-postmenopausal-females-microbiological-spectrum-and-socio-demographic-correlates
#18
Samreen Khan, M Athar Ansari, Shaista M Vasenwala, Zehra Mohsin
INTRODUCTION: Pelvic Inflammatory Disease (PID) is a common and serious complication of sexually transmitted diseases in young women but is rarely diagnosed in the postmenopausal women. Very few studies have been done regarding post-menopausal PID. AIM: To determine the burden of PID, associated micro-organisms, pathophysiology and risk factors among post-menopausal women of the community. MATERIALS AND METHODS: A cross-sectional study was conducted among 530 post-menopausal women in the registered field practice areas of the JN Medical College and Hospital, Aligarh, Uttar Pradesh, India...
March 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28506046/interaction-between-trichomonas-vaginalis-and-the-prostate-epithelium
#19
Jung-Hyun Kim, Ik-Hwan Han, Sang-Su Kim, Soon-Jung Park, Duk-Young Min, Myoung-Hee Ahn, Jae-Sook Ryu
Most men infected with Trichomonas vaginalis are asymptomatic and can remain undiagnosed and untreated. This has been hypothesized to result in chronic persistent prostatic infection. Adhesion of the protozoan organisms to mucosal cells is considered a first and prerequisite step for T. vaginalis infection. Adhesion of T. vaginalis to prostate epithelial cells has not yet been observed; however, there are several reports about inflammation of prostate epithelial cells induced by T. vaginalis. The aim of this study was to investigate whether adhesion and cytotoxicity of T...
April 2017: Korean Journal of Parasitology
https://www.readbyqxmd.com/read/28506033/differential-protein-expressions-in-virus-infected-and-uninfected-trichomonas-vaginalis
#20
Ding He, Gong Pengtao, Yang Ju, Li Jianhua, Li He, Zhang Guocai, Zhang Xichen
Protozoan viruses may influence the function and pathogenicity of the protozoa. Trichomonas vaginalis is a parasitic protozoan that could contain a double stranded RNA (dsRNA) virus, T. vaginalis virus (TVV). However, there are few reports on the properties of the virus. To further determine variations in protein expression of T. vaginalis, we detected 2 strains of T. vaginalis; the virus-infected (V(+)) and uninfected (V(-)) isolates to examine differentially expressed proteins upon TVV infection. Using a stable isotope N-terminal labeling strategy (iTRAQ) on soluble fractions to analyze proteomes, we identified 293 proteins, of which 50 were altered in V(+) compared with V(-) isolates...
April 2017: Korean Journal of Parasitology
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