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https://www.readbyqxmd.com/read/28733845/genome-wide-identification-in-silico-characterization-and-expression-analysis-of-zip-like-genes-from-trichomonas-vaginalis-in-response-to-zinc-and-iron
#1
K G Fernández-Martín, M E Alvarez-Sánchez, V E Arana-Argáez, L C Alvarez-Sánchez, J C Lara-Riegos, J C Torres-Romero
Trace elements such as Zinc and Iron are essential components of metalloproteins and serve as cofactors or structural elements for enzymes involved in several important biological processes in almost all organisms. Because either excess or insufficient levels of Zn and Fe can be harmful for the cells, the homeostatic levels of these trace minerals must be tightly regulated. The Zinc regulated transporter, Iron regulated transporter-like Proteins (ZIP) comprise a diverse family, with several paralogues in diverse organisms and are considered essential for the Zn and Fe uptake and homeostasis...
July 21, 2017: Biometals: An International Journal on the Role of Metal Ions in Biology, Biochemistry, and Medicine
https://www.readbyqxmd.com/read/28723470/sexually-transmitted-disease-and-male-infertility-a-systematic-review
#2
REVIEW
Mikkel Fode, Ferdinando Fusco, Larry Lipshultz, Wolfgang Weidner
CONTEXT: Theoretically, sexually transmitted diseases (STDs) have the potential to disrupt male fertility; however, the topic remains controversial. OBJECTIVE: To describe the possible association between STDs and male infertility and to explore possible pathophysiologic mechanisms. EVIDENCE ACQUISITION: We performed a systematic literature review in accordance with the PRISMA guidelines. PubMed, Embase, and the Cochrane Library were searched for articles published before January 1, 2016, using the MeSH terms for a variety of STDs and infertility...
October 2016: European Urology Focus
https://www.readbyqxmd.com/read/28719959/pcr-identification-and-phylogenetic-analysis-of-trichomonas-gallinae-from-domestic-pigeons-in-guangzhou-china
#3
Shen-Ben Qiu, Meng-Na Lv, Xi He, Ya-Biao Weng, Shang-Shu Zou, Xin-Qiu Wang, Rui-Qing Lin
Avian trichomoniasis caused by Trichomonas gallinae is a serious protozoan disease worldwide. The domestic pigeon (Columba livia domestica) is the main host for T. gallinae and plays an important role in the spread of the disease. Based on the internal transcribed spacers of nuclear ribosomal DNA of this parasite, a pair of primers (TgF2/TgR2) was designed and used to develop a PCR assay for the diagnosis of T. gallinae infection in domestic pigeons. This approach allowed the identification of T. gallinae, and no amplicons were produced when using DNA from other common avian pathogens...
June 2017: Korean Journal of Parasitology
https://www.readbyqxmd.com/read/28713884/antimicrobial-activity-of-organometallic-isonicotinyl-and-pyrazinyl-ferrocenyl-derived-complexes
#4
Tameryn Stringer, Ronnett Seldon, Nicole Liu, Digby F Warner, Christina Tam, Luisa W Cheng, Kirkwood M Land, Peter J Smith, Kelly Chibale, Gregory S Smith
Isonicotinyl and pyrazinyl ferrocenyl-derived complexes were prepared using various hydrazides and ferrocenyl aldehydes. Three heterobimetallic complexes were also synthesized from the Schiff base-derived isonicotinyl ferrocene complex using various platinum group metal dimers based on ruthenium, rhodium and iridium. All complexes were evaluated in vitro for antimycobacterial and antiparasitic activity. Against Mycobacterium tuberculosis H37Rv, the platinum group metal complexes showed glycerol-dependent antimycobacterial activity...
July 17, 2017: Dalton Transactions: An International Journal of Inorganic Chemistry
https://www.readbyqxmd.com/read/28702014/detecting-the-diversity-of-mycoplasma-and-ureaplasma-endosymbionts-hosted-by-trichomonas-vaginalis-isolates
#5
Anastasios Ioannidis, Panagiota Papaioannou, Emmanouil Magiorkinis, Maria Magana, Vasiliki Ioannidou, Konstantina Tzanetou, Angeliki R Burriel, Maria Tsironi, Stylianos Chatzipanagiotou
Objectives: The symbiosis of Trichomonas vaginalis and Mycoplasma hominis is the first described association between two obligate human parasites. Trichomonas is the niche and the vector for the transmission of M. hominis infection. This clinically significant symbiosis may affect T. vaginalis virulence and susceptibility to treatment. The aims of this study were to investigate the intracellularly present Mycoplasma and Ureaplasma species in T. vaginalis strains isolated from the vaginal discharge of infected women as well as to trace the diversity pattern among the species detected in the isolated strains...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28684611/rapid-and-point-of-care-tests-for-the-diagnosis-of-trichomonas-vaginalis-in-women-and-men
#6
Charlotte A Gaydos, Jeffrey D Klausner, Nitika Pant Pai, Helen Kelly, Cordelia Coltart, Rosanna W Peeling
BACKGROUND: Trichomonasvaginalis (TV) is a highly prevalent parasitic infection worldwide. It is associated with many adverse reproductive health outcomes. Many infections are asymptomatic and syndromic management leads to underdetection of TV. Traditional methods of TV detection such as wet preparation are insensitive. New rapid, point-of-care (POC) tests can enhance the diagnosis of trichomoniasis. METHODS: The authors reviewed the literature and discuss older POC tests for TV detection, as well as the OSOM lateral flow test, the AmpliVue test, the Solana test and the GeneXpert test as well as the limitations of wet preparation and culture for detection of TV...
July 6, 2017: Sexually Transmitted Infections
https://www.readbyqxmd.com/read/28683790/very-low-sensitivity-of-wet-mount-microscopy-compared-to-pcr-against-culture-in-the-diagnosis-of-vaginal-trichomoniasis-in-uganda-a-cross-sectional-study
#7
Sheila Nabweyambo, Othman Kakaire, Stefanie Sowinski, Alfred Okeng, Henry Ojiambo, Joshua Kimeze, Irene Najjingo, Freddie Bwanga
BACKGROUND: Trichomonas vaginalis (TV) causes the Trichomoniasis Syndrome composed of vaginitis in women, urethritis in men and tube infection in both sexes. This infection is strongly associated with premature rupture of membranes, preterm delivery, low birth weight, promoting HIV sexual transmission and infertility. Prevention of these complications requires accurate early detection and effective treatment of infected individuals. In the resource limited settings, the wet mount microscopy (WMM) is often the only available test for laboratory detection of TV, but its accuracy and that of polymerase chain reaction (PCR) tools in Uganda remain poorly studied...
July 6, 2017: BMC Research Notes
https://www.readbyqxmd.com/read/28681060/trichomonas-vaginalis-is-rare-among-women-in-iceland
#8
Ingibjorg Hilmarsdottir, Erna Sigmundsdottir, Audur Eiriksdottir, Daniel Golparian, Magnus Unemo
No abstract text is available yet for this article.
July 6, 2017: Acta Dermato-venereologica
https://www.readbyqxmd.com/read/28671057/polyamine-transport-and-synthesis-in-trichomonas-vaginalis-potential-therapeutic-targets
#9
María Elizbeth Alvarez-Sánchez, José Luis Villalpando, Laura Itzel Quintas-Granados, Rossana Arroyo
Polyamines are essential for many biological processes in all organisms. Here we show a current landscape of studies and strategies implemented for the study of polyamine metabolism, as well as molecular aspects that implicate the role of key enzymes, transport proteins, inhibitors, and the study of novel molecules as potential therapeutic targets. This review focused on the synthesis, interconversion and function of these molecules in Trichomonas vaginalis, a common sexually transmitted parasite of humans.
July 3, 2017: Current Pharmaceutical Design
https://www.readbyqxmd.com/read/28669054/trichomonas-vaginalis-infection-and-risk-of-prostate-cancer-associations-by-disease-aggressiveness-and-race-ethnicity-in-the-plco-trial
#10
Miguelle Marous, Wen-Yi Huang, Charles S Rabkin, Richard B Hayes, John F Alderete, Bernard Rosner, Robert L Grubb, Anke C Winter, Siobhan Sutcliffe
PURPOSE: Results from previous sero-epidemiologic studies of Trichomonas vaginalis infection and prostate cancer (PCa) support a positive association between this sexually transmitted infection and aggressive PCa. However, findings from previous studies are not entirely consistent, and only one has investigated the possible relation between T. vaginalis seropositivity and PCa in African-American men who are at highest risk of both infection and PCa. Therefore, we examined this possible relation in the Prostate, Lung, Colorectal, and Ovarian Cancer Screening Trial, including separate analyses for aggressive PCa and African-American men...
July 1, 2017: Cancer Causes & Control: CCC
https://www.readbyqxmd.com/read/28662966/antitrichomonal-activity-of-%C3%AE-opioid-receptor-antagonists-7-benzylidenenaltrexone-derivatives
#11
Noriki Kutsumura, Yasuaki Koyama, Yasuyuki Nagumo, Ryo Nakajima, Yoshiyuki Miyata, Naoshi Yamamoto, Tsuyoshi Saitoh, Naoko Yoshida, Satoshi Iwata, Hiroshi Nagase
The 7-benzylidenenaltrexone (BNTX) derivatives 2a-v, 3a-c, 13a-c, and 14a were synthesized from naltrexone (1) and evaluated for their antitrichomonal activity. The structure-activity-relationship studies found that 4-iodo-BNTX (2g) showed the highest activity (IC50=10.5µM) and the affinity for the opioid receptor was less important for antitrichomonal activity against Trichomonas vaginalis. The morphinan skeleton bearing both the double bond for a Michael acceptor and the phenolic hydroxy group would be a specific template for development of antitrichomonal agents...
June 15, 2017: Bioorganic & Medicinal Chemistry
https://www.readbyqxmd.com/read/28655684/profile-of-intestinal-parasitosis-among-school-aged-children-in-kiliba-eastern-dr-congo
#12
C Kyambikwa Bisangamo, P Jabari Mutwa, P Mulongo Mbarambara
This study of feces sought to determine the prevalence of human intestinal parasites in the Kiliba area of the eastern DR Congo. Feces of 602 school children aged from 9 to 20 years were collected from April to June 2014 and examined. Direct analyses were supplemented with the Kato and Ritchie methods. The global prevalence of intestinal parasitosis in school-aged children in the Kiliba area was 91.4 % [95 % CI: 87.6-94.3%]. The frequency of helminthiasis was high at 73.8 % (95 % CI: 68.4-78.6%) and that of protozoa reached 32...
June 1, 2017: Médecine et Santé Tropicales
https://www.readbyqxmd.com/read/28652937/primary-health-clinic-toilet-bathroom-surface-swab-sampling-can-indicate-community-profile-of-sexually-transmitted-infections
#13
Philip M Giffard, Jiunn-Yih Su, Patiyan Andersson, Deborah C Holt
BACKGROUND: The microbiome of built environment surfaces is impacted by the presence of humans. In this study, we tested the hypothesis that analysis of surface swabs from clinic toilet/bathroom yields results correlated with sexually transmitted infection (STI) notifications from corresponding human populations. We extended a previously reported study in which surfaces in toilet/bathroom facilities in primary health clinics in the Australian Northern Territory (NT) were swabbed then tested for nucleic acid from the STI agents Chlamydia trachomatis, Neisseria gonorrhoeae and Trichomonas vaginalis...
2017: PeerJ
https://www.readbyqxmd.com/read/28645659/synthesis-in-vitro-and-in-vivo-giardicidal-activity-of-nitrothiazole-nsaid-chimeras-displaying-broad-antiprotozoal-spectrum
#14
Blanca Colín-Lozano, Ismael León-Rivera, Manuel Jesús Chan-Bacab, Benjamín Otto Ortega-Morales, Rosa Moo-Puc, Vanessa López-Guerrero, Emanuel Hernández-Núñez, Raúl Argüello-Garcia, Thomas Scior, Elizabeth Barbosa-Cabrera, Gabriel Navarrete-Vázquez
We designed and synthesized five new 5-nitrothiazole-NSAID chimeras as analogues of nitazoxanide, using a DCC-activated amidation. Compounds 1-5 were tested in vitro against a panel of five protozoa: 2 amitochondriates (Giardia intestinalis, Trichomonas vaginalis) and 3 kinetoplastids (Leishmania mexicana, Leishmania amazonensis and Trypanosoma cruzi). All chimeras showed broad spectrum and potent antiprotozoal activities, with IC50 values ranging from the low micromolar to nanomolar order. Compounds 1-5 were even more active than metronidazole and nitazoxanide, two marketed first-line drugs against giardiasis...
August 1, 2017: Bioorganic & Medicinal Chemistry Letters
https://www.readbyqxmd.com/read/28637523/ureaplasma-urealyticum-and-u-parvum-in-sexually-active-women-attending-public-health-clinics-in-brazil
#15
T N Lobão, G B Campos, N N Selis, A T Amorim, S G Souza, S S Mafra, L S Pereira, D B Dos Santos, T B Figueiredo, L M Marques, J Timenetsky
Ureaplasma urealyticum and U. parvum have been associated with genital infections. The purpose of this study was to detect the presence of ureaplasmas and other sexually transmitted infections in sexually active women from Brazil and relate these data to demographic and sexual health, and cytokines IL-6 and IL-1β. Samples of cervical swab of 302 women were examined at the Family Health Units in Vitória da Conquista. The frequency of detection by conventional PCR was 76·2% for Mollicutes. In qPCR, the frequency found was 16·6% for U...
June 22, 2017: Epidemiology and Infection
https://www.readbyqxmd.com/read/28636866/prevalence-and-risk-factors-of-chlamydia-trachomatis-neisseria-gonorrhoeae-trichomonas-vaginalis-and-other-sexually-transmissible-infections-among-women-attending-antenatal-clinics-in-three-provinces-in-papua-new-guinea-a-cross-sectional-survey
#16
Lisa M Vallely, Pamela Toliman, Claire Ryan, Glennis Rai, Johanna Wapling, Carolyn Tomado, Savarina Huliafi, Gloria Munnull, Patricia Rarau, Suparat Phuanukoonnon, Handan Wand, Peter Siba, Glen D L Mola, John M Kaldor, Andrew J Vallely
Background Papua New Guinea (PNG) is estimated to have among the highest prevalences of HIV and sexually transmissible infections (STIs) of any Asia-Pacific country, and one of the highest burdens of maternal syphilis globally. The prevalence of curable STIs, such as Chlamydia trachomatis (CT), Neisseria gonorrhoeae (NG) and Trichomonas vaginalis (TV), among pregnant women in PNG is relatively unknown. METHODS: A cross-sectional bio-behavioural survey to investigate the epidemiology of CT, NG, TV and other STIs among pregnant women in three provinces of PNG was undertaken...
October 2016: Sexual Health
https://www.readbyqxmd.com/read/28633446/genetic-indicators-of-drug-resistance-in-the-highly-repetitive-genome-of-trichomonas-vaginalis
#17
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
#18
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
#19
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
#20
COMPARATIVE STUDY
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
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