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https://www.readbyqxmd.com/read/29223972/intravaginal-boric-acid-is-it-an-alternative-therapeutic-option-for-vaginal-trichomoniasis
#1
Nicola Thorley, Jonathan Ross
OBJECTIVES: Trichomoniasis, caused by Trichomonas vaginalis (TV), is the most common curable sexually transmitted infection worldwide. Current guidance in the UK is to treat TV with a nitroimidazole antibiotic. The high prevalence of TV, high rate of antibiotic resistance and limited tolerability to nitroimidazoles suggest that alternative treatment regimens are needed. Intravaginal boric acid (BA) has been used safely for the treatment of candida vulvovaginitis and bacterial vaginosis, and in vitro studies suggest BA is active against TV...
December 9, 2017: Sexually Transmitted Infections
https://www.readbyqxmd.com/read/29223965/advancing-prevention-of-sexually-transmitted-infections-through-point-of-care-testing-target-product-profiles-and-landscape-analysis
#2
Igor Toskin, Maurine Murtagh, Rosanna W Peeling, Karel Blondeel, Joanna Cordero, James Kiarie
OBJECTIVES: Advancing the field of point-of-care testing (POCT) for STIs can rapidly and substantially improve STI control and prevention by providing targeted, essential STI services (case detection and screening). POCT enables definitive diagnosis and appropriate treatment in a single visit and home and community-based testing. METHODS: Since 2014, the WHO Department of Reproductive Health and Research, in collaboration with technical partners, has completed four landscape analyses of promising diagnostics for use at or near the point of patient care to detect syphilis, Neisseria gonorrhoeae, Chlamydia trachomatis, Trichomonas vaginalis and the human papillomavirus...
December 2017: Sexually Transmitted Infections
https://www.readbyqxmd.com/read/29222644/membrane-shed-vesicles-from-the-parasite-trichomonas-vaginalis-characterization-and-their-association-with-cell-interaction
#3
Yesica R Nievas, Veronica M Coceres, Victor Midlej, Wanderley de Souza, Marlene Benchimol, Antonio Pereira-Neves, Ajay A Vashisht, James A Wohlschlegel, Patricia J Johnson, Natalia de Miguel
Trichomonas vaginalis is a common sexually transmitted parasite that colonizes the human urogenital tract, where it remains extracellular and adheres to epithelial cells. Infections range from asymptomatic to highly inflammatory, depending on the host and the parasite strain. Despite the serious consequences associated with trichomoniasis disease, little is known about parasite or host factors involved in attachment of the parasite-to-host epithelial cells. Here, we report the identification of microvesicle-like structures (MVs) released by T...
December 8, 2017: Cellular and Molecular Life Sciences: CMLS
https://www.readbyqxmd.com/read/29216562/substituted-carbamothioic-amine-1-carbothioic-thioanhydrides-as-novel-trichomonicidal-fungicides-design-synthesis-and-biology
#4
Dhanaraju Mandalapu, Bhavana Kushwaha, Sonal Gupta, Shagun Krishna, Nidhi Srivastava, Mahendra Shukla, Pratiksha Singh, Bhavana S Chauhan, Ravi Goyani, Jagdamba P Maikhuri, Koneni V Sashidhara, Brijesh Kumar, Renu Tripathi, Praveen K Shukla, Mohammad I Siddiqi, Jawahar Lal, Gopal Gupta, Vishnu L Sharma
Sexually transmitted diseases like trichomoniasis along with opportunistic fungal infections like candidiasis are major global health burden in female reproductive health. In this context a novel non-nitroimidazole class of substituted carbamothioic amine-1-carbothioic thioanhydride series was designed, synthesized, evaluated for trichomonacidal and fungicidal activities, and was found to be more active than the standard drug Metronidazole (MTZ). Compounds were trichomonicidal in the MIC ranges of 4.77-294...
November 23, 2017: European Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/29210158/screening-for-human-papillomavirus-cervical-cytological-abnormalities-and-associated-risk-factors-in-hiv-positive-and-hiv-negative-women-in-rwanda
#5
M F Mukanyangezi, V Sengpiel, O Manzi, G Tobin, S Rulisa, E Bienvenu, D Giglio
OBJECTIVES: Cervical cancer is the major cause of death from cancer in Africa. We wanted to assess the prevalence of human papillomavirus (HPV) infections and associated risk factors and to determine whether HPV testing could serve as a screening method for squamous intraepithelial lesions (SILs) in Rwanda. We also wanted to obtain a broader understanding of the underlying risk factors for the establishment of HPV infection in Rwanda. METHODS: A total of 206 HIV-positive women, 172 HIV-negative women and 22 women with unknown HIV status were recruited at the University Teaching Hospitals of Kigali (UTHK) and of Butare (UTHB) in Rwanda...
December 6, 2017: HIV Medicine
https://www.readbyqxmd.com/read/29198954/metabolic-reprogramming-of-hydrogenosomal-amino-acids-in-trichomonas-vaginalis-under-glucose-restriction
#6
Kuo-Yang Huang, Seow-Chin Ong, Chih-Ching Wu, Chia-Wei Hsu, Hsin-Chung Lin, Yi-Kai Fang, Wei-Hung Cheng, Po-Jung Huang, Cheng-Hsun Chiu, Petrus Tang
BACKGROUND: Glucose is the major energy source that is converted to pyruvate for ATP generation in the trichomonad hydrogenosome. Under glucose restriction (GR), the regulation of amino acids metabolism is crucial for trichomonad growth and survival. RNA-sequencing (RNA-seq) analysis has been used to identify differentially expressed genes in Trichomonas vaginalis under GR, leading to significant advances in understanding adaptive responses of amino acid metabolism to GR. However, the levels of amino acid metabolites modulated by GR are unknown in T...
November 21, 2017: Journal of Microbiology, Immunology, and Infection, Wei Mian Yu Gan Ran za Zhi
https://www.readbyqxmd.com/read/29198180/converging-epidemics-of-sexually-transmitted-infections-and-bacterial-vaginosis-in-southern-african-female-adolescents-at-risk-of-hiv
#7
Shaun L Barnabas, Smritee Dabee, Jo-Ann S Passmore, Heather B Jaspan, David A Lewis, Shameem Z Jaumdally, Hoyam Gamieldien, Lindi Masson, Etienne Muller, Venessa D Maseko, Nonhlanhla Mkhize, Zizipho Mbulawa, Anna-Lise Williamson, Clive M Gray, Thomas J Hope, Francesca Chiodi, Janan Dietrich, Glenda Gray, Linda-Gail Bekker
Adolescents in Africa are at high risk for HIV infection, other sexually transmitted infections (STIs) and bacterial vaginosis (BV). Since behavior and burden of STIs/BV may influence HIV risk, behavioral risk factors and prevalence of STIs/BV were compared in HIV-seronegative adolescent females (n = 298; 16-22 years) from two South African communities (Soweto and Cape Town). STIs ( Chlamydia trachomatis, Neisseria gonorrhoeae, Trichomonas vaginalis, Mycoplasma genitalium, herpes simplex virus (HSV)-1, HSV-2, Treponema pallidum, and Haemophilus ducreyi) were detected by multiplex polymerase chain reaction, human papillomavirus (HPV) by Roche Linear Array, and BV by Nugent scoring...
January 1, 2017: International Journal of STD & AIDS
https://www.readbyqxmd.com/read/29194776/endosymbiosis-and-its-significance-in-dermatology
#8
REVIEW
Katarzyna Kubiak, Hanna Sielawa, Wenchieh Chen, Ewa Dzika
Proposed at the beginning of the 20th to explain the origin of eukaryotic organelles from prokaryotes, endosymbiosis is now medically defined by various interaction patterns between microorganisms and their residing hosts, best exemplified by the bacterial endosymbiont Wolbachia identified in arthropods and filarial nematodes, which can influence normal development, reproduction, survival, and transmission of the hosts. Based on the transmission modes, vertical or horizontal, and the function of the endosymbionts, the host-symbiont dependence can be divided into primary or secondary...
December 1, 2017: Journal of the European Academy of Dermatology and Venereology: JEADV
https://www.readbyqxmd.com/read/29190689/trichomonicidal-and-parasite-membrane-damaging-activity-of-bidesmosic-saponins-from-manilkara-rufula
#9
Patrícia de Brum Vieira, Nícolas Luiz Feijó Silva, Camila Braz Menezes, Márcia Vanusa da Silva, Denise Brentan Silva, Norberto Peporine Lopes, Alexandre José Macedo, Jaume Bastida, Tiana Tasca
The infection caused by Trichomonas vaginalis is the most common but overlooked non-viral sexually transmitted disease worldwide. Treatment relies on one class of drugs, the 5-nitroimidazoles, but resistance is widespread. New drugs are urgently needed. We reported the effect of crude and purified saponin fractions of Manilkara rufula against Trichomonas vaginalis. The compound responsible for antitrichomonal activity was isolated and identified as an uncommon bidesmosic saponin, Mi-saponin C. This saponin eliminated parasite viability without toxicity against the human vaginal epithelial line (HMVII)...
2017: PloS One
https://www.readbyqxmd.com/read/29177239/genital-infections-and-reproductive-complications-associated-with-trichomonas-vaginalis-neisseria-gonorrhoeae-and-streptococcus-agalactiae-in-women-of-qom-central-iran
#10
Mahmoud Nateghi Rostami, Batool Hossein Rashidi, Azam Habibi, Razieh Nazari, Masoumeh Dolati
Background: Trichomonas vaginalis (T.vaginalis) and Neisseria gonorrhoeae (N.gonorrhoeae) are two most common non-viral sexually transmitted infections in the world. No data are available regarding the epidemiology of genital infections in women of Qom, central Iran. Objective: Epidemiological investigation of sexually transmitted infections in genital specimens of women referred to the referral gynecology hospital in Qom, central Iran. Materials and Methods: Genital swab specimens were collected from women volunteers and used for identification of bacterial and protozoal infections by conventional microbial diagnostics, porA pseudo gene LightCycler® real-time PCR (for N...
June 2017: International Journal of Reproductive Biomedicine (Yazd, Iran)
https://www.readbyqxmd.com/read/29175675/recent-developments-in-anti-trichomonas-research-an-update-review
#11
Veenu Bala, Yashpal S Chhonker
Trichomonas vaginalis is a major non-viral sexually-transmitted infection resulted into serious obstetrical and gynecological troubles. The increasing resistance to nitroimidazole therapy and recurrence makes it crucial to develop new drugs against trichomoniasis. Over the past few years, a large number of research articles highlighting the synthetic and natural product research to combat Trichomonas vaginalis have been published. Electronic databases were searched to collect all data from the year 2006 through June 2017 for anti-Trichomonas activity potential of synthetic and natural products...
November 13, 2017: European Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/29172789/morphometric-analysis-of-human-oocytes-using-time-lapse-does-it-predict-embryo-developmental-outcomes
#12
Azita Faramarzi, Mohammad Ali Khalili, Marjan Omidi
The aim of this prospective study was to evaluate the relationship between morphometric parameters of metaphase II (MII) oocytes and the morphokinetic behaviour of subsequent embryos derived by intra-cytoplasmic sperm injection (ICSI). The association between oocyte morphometry: (whole oocyte), ooplasm, width of zona pellucida (ZP) and perivitelline space (PVS) and first polar body (PB) with embryo morphokinetic variables, including time of second PB extrusion (tPB2), pronuclei appearance (tPN), pronuclei fading (tPNf), formation of two to eight cells (t2 to t8) and irregular cleavage events [uneven at two cells stage, cell fusion (Fu) and trichomonas mitoses (TM)] were assessed...
November 24, 2017: Human Fertility: Journal of the British Fertility Society
https://www.readbyqxmd.com/read/29167292/clinical-evaluation-of-the-cepheid-xpert%C3%A2-tv-assay-for-detection-of-trichomonas-vaginalis-with-prospectively-collected-female-and-male-specimens
#13
Jane R Schwebke, C A Gaydos, T Davis, J Marrazzo, D Furgerson, S N Taylor, B Smith, L H Bachmann, R Ackerman, T Spurrell, D Ferris, C A Burnham, H Reno, J Lebed, D Eisenberg, P Kerndt, S Philip, J Jordan, N Quigley
Trichomoniasis is the most prevalent curable sexually transmitted disease (STD). It has been associated with preterm birth and acquisition/transmission of HIV. Recently, nucleic acid amplification tests (NAAT) have been FDA-cleared in the United States for detection of Trichomonas vaginalis (TV) in specimens from both women and men. This current study reports the results of a multicenter study recently conducted using the Xpert TV Assay to test specimens from both men and women. On-demand results were available in as little as 40 minutes for positive specimens...
November 22, 2017: Journal of Clinical Microbiology
https://www.readbyqxmd.com/read/29151351/immucillins-in-infectious-diseases
#14
Gary B Evans, Peter C Tyler, Vern L Schramm
Transition state theory proposes that stable chemical mimics of enzymatic transition states will be powerful inhibitors of their cognate enzymes. The Immucillins are chemically stable analogues that mimic the ribocation and leaving-group features of N-ribosyltransferase transition states. Infectious disease agents often rely on ribosyltransferase chemistry in pathways involving precursor synthesis for nucleic acids, salvage of nucleic acid precursors from the host or synthetic pathways with nucleoside intermediates...
November 19, 2017: ACS Infectious Diseases
https://www.readbyqxmd.com/read/29151321/multiplex-pcr-detection-of-problematic-pathogens-of-clinically-heterogeneous-bacterial-vaginosis-in-bulgarian-women
#15
Konstantsa Tosheva-Daskalova, Tanya Vasileva Strateva, Ivan Gergov Mitov, Raina Tzvetanova Gergova
Background/aim: This study aimed to investigate the correlation between the prevalence of problematic pathogens and the clinical status of women with bacterial vaginosis (BV). Materials and methods: Gardnerella vaginalis, Atopobium vaginae, and Mobiluncus spp. were detected using a multiplex PCR assay, and their role in the infection of Bulgarian women with clinically heterogeneous BV was evaluated. Results: The predominant BV-associated pathogen identified was G. vaginalis with an incidence of 98.39%, followed by A...
November 13, 2017: Turkish Journal of Medical Sciences
https://www.readbyqxmd.com/read/29130974/atypical-squamous-cells-in-liquid-based-cervical-cytology-microbiology-inflammatory-infiltrate-and-human-papillomavirus-dna-testing
#16
Geilson Gomes de Oliveira, Renata Mirian Nunes Eleutério, Ana Katherine Silveira Gonçalves, Paulo César Giraldo, José Eleutério
OBJECTIVE: The aim of this study was to assess the correlation between atypical squamous cells (ASC) and inflammatory infiltrate and vaginal microbiota using cervical liquid-based cytological (SurePath®) and high-risk human papillomavirus (HR-HPV) tests. STUDY DESIGN: A cross-sectional study was conducted using a 6-year database from a laboratory in Fortaleza (Brazil). Files from 1,346 ASC cases were divided into subgroups and results concerning inflammation and vaginal microorganisms diagnosed by cytology were compared with HR-HPV test results...
November 8, 2017: Acta Cytologica
https://www.readbyqxmd.com/read/29114138/anti-trichomonas-vaginalis-activity-of-nano-micana-cordifolia-and-metronidazole-an-in-vitro-study
#17
Hossein Vazini
Trichomonas vaginalis is a flagellate parasite living in the genital tract and it is accounted as a sexually transmitted disease. The clinical symptoms vary from the asymptomatic to the severe form which is usually associated with the irritation, itching and infertility in some severe cases. Many drugs have been applied to treat this disease and Metronidazole is the gold standard for treatment; however, it has also detected that this medicine has many side-effects which it has been motivated the researchers to find an appropriate alternative for this medicine...
December 2017: Journal of Parasitic Diseases: Official Organ of the Indian Society for Parasitology
https://www.readbyqxmd.com/read/29097418/prevalence-and-treatment-outcomes-of-routine-chlamydia-trachomatis-neisseria-gonorrhoeae-and-trichomonas-vaginalis-testing-during-antenatal-care-gaborone-botswana
#18
Adriane Wynn, Doreen Ramogola-Masire, Ponatshego Gaolebale, Neo Moshashane, Ontiretse Sickboy, Sofia Duque, Elizabeth Williams, Klara Doherty, Jeffrey D Klausner, Chelsea Morroni
OBJECTIVES: Chlamydia trachomatis (CT), Neisseria gonorrhoeae (NG) and Trichomonas vaginalis (TV) are curable, mostly asymptomatic, STIs that cause adverse maternal and perinatal outcomes. Most countries do not test for those infections during antenatal care. We implemented a CT, NG and TV testing and treatment programme in an antenatal clinic in Gaborone, Botswana. METHODS: We conducted a prospective study in the antenatal clinic at Princess Marina Hospital in Gaborone, Botswana...
November 2, 2017: Sexually Transmitted Infections
https://www.readbyqxmd.com/read/29069338/trichomonas-vaginalis-brain-abscess-in-a-neonate
#19
Hunter Hamilton, Kristen L Pontiff, Michael Bolton, Richard S Bradbury, Blaine A Mathison, Henry Bishop, Marcos de Almeida, Beverly W Ogden, Evan Barnett, Donna Rastanis, Angelle L Klar, Adaora Uzodi
We describe a case of cerebral trichomoniasis in a neonate who developed seizures and multi-organ failure during treatment for staphylococcal sepsis. Brain abscesses were identified on cranial sonography. Trichomonas vaginalis was isolated from cerebrospinal fluid. There was a fatal outcome despite metronidazole therapy.
October 24, 2017: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
https://www.readbyqxmd.com/read/29043893/considerations-on-risk-of-bacterial-vaginosis-trichomonas-vaginalis-and-candida-albicans-infection-among-new-users-of-combined-hormonal-contraception-vs-lng-ius
#20
Ahmed M Abbas, Asmaa S Shaltout
No abstract text is available yet for this article.
October 18, 2017: European Journal of Contraception & Reproductive Health Care
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