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Jata S Misra, Anand N Srivastava, Hem P Gupta
OBJECTIVE: Cytological screening was carried out in rural women of Lucknow West, India, through a camp approach to detect cervical cancer in its preinvasive phase and to see whether the primitive living conditions in the villages have any effect on the incidence of precancer and carcinoma of the cervix and the associated predisposing factors of cervical carcinogenesis. STUDY DESIGN: During a span of 4 years (May 2013 to March 2017), a total of 135 camps were organized under the auspice of Era's Lucknow Medical College and Hospital (Lucknow, India)...
June 13, 2018: Acta Cytologica
Rosa E Cárdenas-Guerra, Moisés Martínez-Castillo, Jaime Ortega-López, Mineko Shibayama, Rossana Arroyo
The recombinant TvCP4 prepro region (ppTvCP4r) acts as an exogenous inhibitor of cathepsin L-like CPs from Trichomonas vaginalis (Cárdenas-Guerra et al., 2015 [1]). Here, we present the dataset of the trichomonad ppTvCP4r inhibitory effect against the CP proteolytic activities from other microorganisms, such as Naegleria fowleri and Acanthamoeba castellanii free-living amoeba. The proteolytic activity inhibition of total crude extracts (TCEs) of N. fowleri and A. castellanii was determined and recorded using a fluorogenic substrate specific for cathepsin L CPs without or with a ppTvCP4r treatment at different concentrations and pH...
June 2018: Data in Brief
Michael Daugherty, Kendall Glynn, Timothy Byler
Background: Trichomoniasis results from infection of the protozoan to the mucous membrane of the urethra or vagina. It has been estimated to have a higher incidence rate than both Gonorrhea and Chlamydia combined. Although females can experience both clinical symptoms and obstetrical complications, male infections are largely asymptomatic and often unreported. We aim to estimate the prevalence of trichomoniasis in US males utilizing the NHANES database. Methods: The NHANES database was queried for all men 18-59 years old during the years 2013-2016...
June 9, 2018: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
Jocelyn Ronda, Charlotte A Gaydos, Jamie Perin, Lisa Tabacco, Jenell Coleman, Maria Trent
BACKGROUND: Mycoplasma genitalium (MG) is a common sexually transmitted infection (STI) but there are limited strategies to identify individuals at risk of MG. Previously a sex risk quiz was used to predict STIs including Chlamydia trachomatis (CT), Neisseria gonorrhoeae (GC), and/or Trichomonas vaginalis (TV). The original quiz categorized individuals ≤25 years old as at risk of STIs, but the Centers for Disease Control identifies females <25 years old as at risk of STIs. In this study, the quiz was changed to categorize females <25 years old as high risk...
June 4, 2018: Sexually Transmitted Diseases
Benjamin M Dudek, Michael N Kochert, Joseph G Barnes, Peter H Bloom, Joseph M Papp, Richard W Gerhold, Kathryn E Purple, Kenneth V Jacobson, Charles R Preston, Chris R Vennum, James W Watson, Julie A Heath
Avian trichomonosis, caused by the protozoan Trichomonas gallinae, affects bird-eating raptors worldwide. Raptors can develop trichomonosis by feeding on infected prey, particularly Rock Pigeons (C olumba livia), which are a reservoir for T. gallinae. Raptors may be particularly vulnerable to T. gallinae infection in degraded habitats, where changes in resources may cause raptors to switch from foraging on native prey to synanthropic avian species such as Rock Pigeons. Golden Eagles ( Aquila chrysaetos) typically forage on mammals; however, habitat across much of their range is experiencing degradation through changes in land use, climate, and human encroachment...
June 4, 2018: Journal of Wildlife Diseases
E Morikawa, M Mudau, D Olivier, L de Vos, D Joseph Davey, C Price, J A McIntyre, R P Peters, J D Klausner, A Medina-Marino
Background: Chlamydia trachomatis (CT) , Neisseria gonorrhoeae (NG) , and Trichomonas vaginalis (TV) infections may increase the risk of vertical transmission of the human immunodeficiency virus (HIV). In resource-limited settings, symptomatic screening, and syndromic management of sexually transmitted infections (STIs) during pregnancy continue to be the standard of care. In the absence of diagnostic testing, asymptomatic infections in pregnant women go untreated. Objective: To describe the acceptability and feasibility of integrating diagnostic STI screening into first antenatal care visits for HIV-infected pregnant women...
2018: Infectious Diseases in Obstetrics and Gynecology
Arim Min, Young Ah Lee, Kyeong Ah Kim, Myeong Heon Shin
Trichomonas vaginalis is a sexually-transmitted protozoan parasite that causes vaginitis and cervicitis. Although mast cell activation is important for provoking tissue inflammation during infection with parasites, information regarding the signaling mechanisms in mast cell activation and T. vaginalis infection is limited. O-linked N-acetylglucosamine (O-GlcNAc) is a post-translational modification of serine and threonine residues that functions as a critical regulator of intracellular signaling, regulated by O-GlcNAc transferase (OGT) and O-GlcNAcase (OGA)...
May 31, 2018: Microbes and Infection
David Leitsch, Catrin F Williams, Ivan Hrdý
The microaerophilic parasites Entamoeba histolytica, Trichomonas vaginalis, and Giardia lamblia jointly cause hundreds of millions of infections in humans every year. Other microaerophilic parasites such as Tritrichomonas foetus and Spironucleus spp. pose a relevant health problem in veterinary medicine. Unfortunately, vaccines against these pathogens are unavailable, but their microaerophilic lifestyle opens opportunities for specifically developed chemotherapeutics. In particular, their high sensitivity towards oxygen can be exploited by targeting redox enzymes...
May 25, 2018: Trends in Parasitology
Hevanshi Vidhushika Fernando, Li Li Chan, Nhung Dang, Diviya Santhanes Sandanaeaspuran, Hasini Banneheke, Sivalingam Nalliah, Allan Ga Coombes
Microporous polymeric matrices prepared from poly(ɛ-caprolactone) [PCL] were evaluated for controlled vaginal delivery of the antiprotozoal agent (tinidazole) in the treatment of the sexually transmitted infection, trichomoniasis. The matrices were produced by rapidly cooling co-solutions of PCL and tinidazole in acetone to -80°C to induce crystallisation and hardening of the polymer. Tinidazole incorporation in the matrices increased from 1.4 to 3.9% (w/w), when the drug concentration in the starting PCL solution was raised from 10 to 20% (w/w), giving rise to drug loading efficiencies up to 20%...
May 25, 2018: Pharmaceutical Development and Technology
B S Rahul, Bindu Saraswati, C Shiju, Gopal Gupta, Nand Lal
BACKGROUND: In our previous work, several piperazine derived bis(dialkylaminethiocarbonyl) disulfides and disulfide esters of dithiocarbamic acid have been synthesized and evaluated for their spermicidal and microbicidal efficacy. These studies have provided some promising compounds for developing a dually active vaginal microbicidal contraceptive which are under pre-clinical stage [1, 16, 17]. OBJECTIVE: The main objective of this study was to design, synthesis and biological evaluation of bis(dialkylaminethiocarbonyl) disulfides (4-15) and 2,2'-disulfanediylbis (3-(substituted- 1-yl) propane-2,1-diyl) disubstituted-1-carbodithioates (19-28) as non-surfactant molecules capable of eliminating Trichomonas vaginalis as as well as irreversibly immobilizing 100% human sperm promptly...
May 23, 2018: Medicinal Chemistry
Niha Phukan, Anna E S Brooks, Augusto Simoes-Barbosa
Trichomoniasis, a prevalent sexually transmitted infection, is commonly symptomatic in women. The causative agent is Trichomonas vaginalis , an extracellular protozoan parasite. The host-protective mechanisms and molecules of vaginal lactobacilli that could counteract with this pathogen are largely unknown. This study examines the inhibition promoted by Lactobacillus gasseri against the adhesion of T. vaginalis to host cells, a critical virulence aspect of this pathogen. We observed that the vaginal L. gasseri ATCC 9857 is highly inhibitory by various contact-dependent mechanisms and surface proteins are largely responsible for this inhibitory phenotype...
May 21, 2018: Infection and Immunity
Cemile Sonmez, Selma Usluca, Ismail Hakki Usluca, Irem Kalipci, Figen Sezen, Cemal Resat Atalay, Selcuk Kilic
The aim of this study was to detect the presence of Chlamydia trachomatis, Neisseria (N.) gonorrhoeae, Mycoplasma (M.) hominis, M. genitalium, Ureaplasma (U.) urealyticum, and Trichomonas (T.) vaginalis in patients with resistant discharge. The study also evaluated the concordance of the diagnostic tests. Samples from 156 patients were tested by direct microscopy and culture for T. vaginalis and Mycoplasma IES for M. hominis and U. urealyticum. Multiplex Polymerase Chain Reaction (PCR) was used to determine the presence of six agents...
April 2018: Acta Dermatovenerologica Croatica: ADC
Hatice Ertabaklar, Sema Ertuğ, Serçin Özlem Çalışkan, Erdoğan Malatyalı, Bülent Bozdoğan
OBJECTIVE: Trichomonas vaginalis is the most common non-viral, sexually transmitted pathogen with a worldwide distribution. The aim of the present study was to design a new genotyping tool for T. vaginalis isolates using internal transcribed spacer (ITS) sequences. METHODS: First, a total of 20 cryopreserved T. vaginalis isolates were thawed and genomic DNA was isolated from fresh cultures. A polymerase chain reaction (PCR) was performed to amplify the ITS regions and the amplicons were sequenced...
March 2018: Türkiye Parazitolojii Dergisi
Meetali Singh, Divya Beri, Rishi Kumar Nageshan, Leena Chavaan, Darshak Gadara, Mukta Poojary, Suraj Subramaniam, Utpal Tatu
Trichomonas vaginalis is a causative agent of Trichomoniasis, a leading non-viral sexually transmitted disease worldwide. In the current study, we show Heat shock protein 90 is essential for its growth. Upon genomics analysis of the parasite, it was found to possess seven ORFs which could potentially encode Hsp90 isoforms. We identified a cytosolic Hsp90 homolog, four homologs which can align to truncated cytosolic Hsp90 gene products along with two Grp94 homologs (ER isoform of Hsp90). However, both Grp94 orthologs lacked an ER retention motif...
May 16, 2018: PLoS Neglected Tropical Diseases
Jahangir Abdi, Soghra Viesy, Zahra Rezaei
Intestinal parasitic infections are the one of the most common health problems in developing countries. A number of patients die annually due to complications caused by these parasites.Therefore, the aim of this study was to investigate the rate and type of parasitic infections, determine the factors affecting them in Ilam city and also provide strategies to prevent them. In this descriptive cross-sectional study conducted in one of the Ilam labs in 2016, 417 stool specimens were randomly collected. All specimens were examined using direct and ethanol formaldehyde...
May 8, 2018: Infectious Disorders Drug Targets
Sophia Malli, Christian Bories, Gilles Ponchel, Philippe M Loiseau, Kawthar Bouchemal
Metronidazole (MTZ) is a 5-nitroimidazole drug used for the treatment of Trichomonas vaginalis parasitic infection. Aqueous formulations containing MTZ are restricted because apparent solubility in water of this drug is low. In this context, two methylated-β-cyclodextrins (CRYSMEB and RAMEB) were used as a tool to increase apparent solubility of MTZ in water. CRYSMEB was limited by its own solubility in water (15% w/w, 12.59 mM), while RAMEB at a concentration of 40% w/w (300.44 mM) allowed a maximal increase of apparent solubility of MTZ (3...
April 27, 2018: Experimental Parasitology
Tal Brosh-Nissimov, Ron Kedem, Nimrod Ophir, Omri Shental, Nathan Keller, Sharon Amit
Background: Data regarding sexually transmissible infections (STI) often originate from STI clinics, screening programs or laboratory-based studies, thus are biased for specific risk groups or lack clinical details. This real-life observational study presents sample data of most young adult Israeli population by exploiting the centralised diagnostic and documentation platforms resulting from a mandatory military service at the age of 18 years for both genders. Methods: All STI diagnoses of Israeli Defence Forces soldiers during a 6-month period were reviewed...
April 30, 2018: Sexual Health
Ling Li, Xin Li, Pengtao Gong, Xichen Zhang, Zhengtao Yang, Ju Yang, Jianhua Li
Trichomoniasis, caused by Trichomonas vaginalis infection, is the most prevalent sexually transmitted disease in female and male globally. However, the mechanisms by innate immunity against T. vaginalis infection have not been fully elucidated. Toll-like receptor2 (TLR2) has been shown to be involved in pathogen recognition, innate immunity activation, and inflammatory response to the pathogens. Nonetheless, the function of TLR2 against T. vaginalis remains unclear. In the present study, we investigated the role of TLR2 in mouse macrophages against T...
2018: Frontiers in Microbiology
Nigel J Garrett, Farzana Osman, Bhavna Maharaj, Nivashnee Naicker, Andrew Gibbs, Emily Norman, Natasha Samsunder, Hope Ngobese, Nireshni Mitchev, Ravesh Singh, Salim S Abdool Karim, Ayesha B M Kharsany, Koleka Mlisana, Anne Rompalo, Adrian Mindel
INTRODUCTION: In light of the limited impact the syndromic management approach has had on the global sexually transmitted infection (STI) epidemic, we assessed a care model comprising point-of-care (POC) STI testing, immediate treatment, and expedited partner therapy (EPT) among a cohort of young women at high HIV risk in South Africa. METHODS AND FINDINGS: HIV negative women presenting for STI care underwent POC testing for Chlamydia trachomatis (CT), Neisseria gonorrhoeae (NG) and Trichomonas vaginalis (TV), and swabs were sent for NG culture and susceptibility testing...
2018: PloS One
Hassan Ali Farooq, Hammad Ahmad Khan, Abdulwahed Fahad Alrefaei, Kevin Morris Tyler
Avian trichomonosis is an architypal disease of wild columbids and those birds that predate them. Increasingly though, it has been reported in passerines; a recent and ongoing epidemic in the chaffinches and greenfinches of Europe and outbreaks amongst house finches, American goldfinches and purple finches in North America. The parasite, Trichomonas gallinae, causes lesions in the upper respiratory tract which can cause mortality associated with dehydration and emaciation. This paper reports for the first time, the widespread, endemic and often asymptomatic infection of common mynah (Acridotheres tristis) around the Faisalabad District, Pakistan...
April 23, 2018: Parasitology
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