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https://www.readbyqxmd.com/read/27922851/future-prospects-for-new-vaccines-against-sexually-transmitted-infections
#1
Sami L Gottlieb, Christine Johnston
PURPOSE OF REVIEW: This review provides an update on the need, development status, and important next steps for advancing development of vaccines against sexually transmitted infections (STIs), including herpes simplex virus (HSV), Neisseria gonorrhoeae (gonorrhea), Chlamydia trachomatis (chlamydia), and Treponema pallidum (syphilis). RECENT FINDINGS: Global estimates suggest that more than a million STIs are acquired every day, and many new and emerging challenges to STI control highlight the critical need for development of new STI vaccines...
December 2, 2016: Current Opinion in Infectious Diseases
https://www.readbyqxmd.com/read/27920223/correlation-between-pubic-hair-grooming-and-stis-results-from-a-nationally-representative-probability-sample
#2
E Charles Osterberg, Thomas W Gaither, Mohannad A Awad, Matthew D Truesdale, Isabel Allen, Siobhan Sutcliffe, Benjamin N Breyer
OBJECTIVE: STIs are the most common infections among adults. Concurrently, pubic hair grooming is prevalent. Small-scale studies have demonstrated a relationship between pubic hair grooming and STIs. We aim to examine this relationship in a large sample of men and women. DESIGN: We conducted a probability survey of US residents aged 18-65 years. The survey ascertained self-reported pubic hair grooming practices, sexual behaviours and STI history. We defined extreme grooming as removal of all pubic hair more than 11 times per year and high-frequency grooming as daily/weekly trimming...
December 5, 2016: Sexually Transmitted Infections
https://www.readbyqxmd.com/read/27919180/investigation-of-a-mortality-cluster-in-wild-adult-yellow-eyed-penguins-megadyptes-antipodes-at-otago-peninsula-new-zealand
#3
Brett Gartrell, David Agnew, Maurice Alley, Tim Carpenter, Hye Jeong Ha, Laryssa Howe, Stuart Hunter, Kate McInnes, Rex Munday, Roe Wendi, Young Melanie
We investigated an epidemic mortality cluster of yellow-eyed penguins (Megadyptes antipodes) that involved 67 moribund or dead birds found on various beaches of the Otago Peninsula, New Zealand, between January 21 and March 20, 2013. Twenty-four carcases were examined postmortem. Histological lesions of pulmonary, hepatic and splenic erythrophagocytosis and haemosiderosis were found in 23 of 24 birds. Fifteen birds also had haemoglobin-like protein droplets within renal tubular epithelial cells. Despite consistent histological lesions, a cause of death could not be established...
December 6, 2016: Avian Pathology: Journal of the W.V.P.A
https://www.readbyqxmd.com/read/27917158/a-zebrafish-model-for-chlamydia-infection-with-the-obligate-intracellular-pathogen-waddlia-chondrophila
#4
Alexander G J Fehr, Maja Ruetten, Helena M B Seth-Smith, Lisbeth Nufer, Andrea Voegtlin, Angelika Lehner, Gilbert Greub, Philip S Crosier, Stephan C F Neuhauss, Lloyd Vaughan
Obligate intracellular chlamydial bacteria of the Planctomycetes-Verrucomicrobia-Chlamydiae (PVC) superphylum are important pathogens of terrestrial and marine vertebrates, yet many features of their pathogenesis and host specificity are still unknown. This is particularly true for families such as the Waddliacea which, in addition to epithelia, cellular targets for nearly all Chlamydia, can infect and replicate in macrophages, an important arm of the innate immune system or in their free-living amoebal counterparts...
2016: Frontiers in Microbiology
https://www.readbyqxmd.com/read/27916800/lead-discovery-strategies-for-identification-of-chlamydia-pneumoniae-inhibitors
#5
REVIEW
Leena Hanski, Pia Vuorela
Throughout its known history, the gram-negative bacterium Chlamydia pneumoniae has remained a challenging target for antibacterial chemotherapy and drug discovery. Owing to its well-known propensity for persistence and recent reports on antimicrobial resistence within closely related species, new approaches for targeting this ubiquitous human pathogen are urgently needed. In this review, we describe the strategies that have been successfully applied for the identification of nonconventional antichlamydial agents, including target-based and ligand-based virtual screening, ethnopharmacological approach and pharmacophore-based design of antimicrobial peptide-mimicking compounds...
November 28, 2016: Microorganisms
https://www.readbyqxmd.com/read/27914477/in-vitro-rescue-of-genital-strains-of-chlamydia-trachomatis-from-interferon-%C3%AE-and-tryptophan-depletion-with-indole-positive-but-not-indole-negative-prevotella-spp
#6
Noa Ziklo, Wilhelmina M Huston, Kuong Taing, Mohammad Katouli, Peter Timms
BACKGROUND: The natural course of sexually transmitted infections caused by Chlamydia trachomatis varies between individuals. In addition to parasite and host effects, the vaginal microbiota might play a key role in the outcome of C. trachomatis infections. Interferon-gamma (IFN-γ), known for its anti-chlamydial properties, activates the expression of indoleamine 2,3-dioxygenase (IDO1) in epithelial cells, an enzyme that catabolizes the amino acid L- tryptophan into N-formylkynurenine, depleting the host cell's pool of tryptophan...
December 3, 2016: BMC Microbiology
https://www.readbyqxmd.com/read/27911430/-clinical-presentations-of-herpes-zoster-ophthalmicus-diagnosis-and-therapy
#7
G M Chernakova, E A Kleshcheva, T B Semenova
: Approximately a quarter of the world's population at some point in life is at risk of developing shingles (Herpes Zoster). In 10-20% of cases the first branch of the trigeminal nerve gets involved (Herpes Zoster Ophthalmicus, HZO). Ophthalmic complications of HZO are able to cause a significant reduction in visual function. AIM: To study and summarize clinical features of HZO (including the rate of complications and their nature) and to determine the relationship between clinical and laboratory data from these patients...
2016: Vestnik Oftalmologii
https://www.readbyqxmd.com/read/27898572/sexually-transmitted-infections-and-associated-risk-factors-among-street-based-and-residence-based-female-sex-workers-in-dhaka-bangladesh
#8
Rasheda Khanam, Masud Reza, Dilruba Ahmed, Mustafizur Rahman, M Shah Alam, Salima Sultana, Anadil Alam, Sharful I Khan, Kenneth H Mayer, Tasnim Azim
BACKGROUND: Female sex workers (FSWs) in Bangladesh remain at elevated risk of sexually transmitted infections (STIs) although the human immunodeficiency virus (HIV) prevalence among them is low. Recent information on the burden and etiological diagnosis of STIs among them has been lacking. This study examines prevalence and risk behaviors of selected STIs among FSWs in Dhaka in 2014. METHODS: Between August and October 2014, a cross-sectional study was conducted among street-based and residence-based FSWs receiving HIV prevention services at 24 drop in centers in Dhaka...
November 28, 2016: Sexually Transmitted Diseases
https://www.readbyqxmd.com/read/27898567/utilization-of-the-cepheid-xpert%C3%A2-ct-ng-sample-adequacy-control-to-determine-the-influence-of-the-urethral-swab-on-cellular-content-in-post-swab-versus-pre-swab-urine
#9
Stephen J Jordan, Barbara Van Der Pol, Edward W Hook
Chlamydia trachomatis/Neisseria gonorrhoeae assay performance in males is typically determined using post-swab urine, though pre-swab urine is used in practice. We collected swabs and urine from men and used the Cepheid Xpert® CT/NG sample adequacy control to determine the effect of swab collection on urine cellular content. No difference was observed.
November 28, 2016: Sexually Transmitted Diseases
https://www.readbyqxmd.com/read/27898565/quantitative-real-time-polymerase-chain-reaction-for-the-diagnosis-of-mycoplasma-genitalium-infection-in-south-african-men-with-and-without-symptoms-of-urethritis
#10
Marie Cecilia le Roux, Anwar Ahmed Hoosen
BACKGROUND: This study was done to diagnose Mycoplasma genitalium infection based on bacterial load in urine specimens from symptomatic and asymptomatic men. METHODS: Urine specimens from 94 men with visible urethral discharge, 206 with burning on micturition and 75 without symptoms presenting to a family practitioner were tested for M. genitalium as well as Neisseria gonorrhoeae, Chlamydia trachomatis, Trichomonas vaginalis by transcription-mediated amplification assays...
November 28, 2016: Sexually Transmitted Diseases
https://www.readbyqxmd.com/read/27894718/chlamydia-suis-and-chlamydia-trachomatis-induce-multifunctional-cd4-t-cells-in-pigs
#11
T Käser, J A Pasternak, M Delgado-Ortega, G Hamonic, K Lai, J Erickson, S Walker, J R Dillon, V Gerdts, F Meurens
Chlamydia trachomatis infections are the most prominent bacterial sexually-transmitted disease world-wide and a lot of effort is put into the development of an effective vaccine. Pigs have been shown to be a valuable animal model for C. trachomatis vaccine development. The aim of this study was to decipher the T-cell-mediated immune response to chlamydial infections including C. trachomatis and C. suis, the chlamydia species naturally infecting pigs with a demonstrated zoonotic potential. Vaginal infection of pigs with C...
November 25, 2016: Vaccine
https://www.readbyqxmd.com/read/27894280/is-there-any-association-between-sarcoidosis-and-infectious-agents-a-systematic-review-and-meta-analysis
#12
Tiago Esteves, Gloria Aparicio, Vicente Garcia-Patos
BACKGROUND: During the last few years, investigators have debated the role that infectious agents may have in sarcoidosis pathogenesis. With the emergence of new molecular biology techniques, several studies have been conducted; therefore, we performed a meta-analysis in order to better explain this possible association. METHODS: This review was conducted in accordance with the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) statement from the Cochrane collaboration guidelines...
November 28, 2016: BMC Pulmonary Medicine
https://www.readbyqxmd.com/read/27893834/selective-pressure-promotes-tetracycline-resistance-of-chlamydia-suis-in-fattening-pigs
#13
Sabrina Wanninger, Manuela Donati, Antonietta Di Francesco, Michael Hässig, Karolin Hoffmann, Helena M B Seth-Smith, Hanna Marti, Nicole Borel
In pigs, Chlamydia suis has been associated with respiratory disease, diarrhea and conjunctivitis, but there is a high rate of inapparent C. suis infection found in the gastrointestinal tract of pigs. Tetracycline resistance in C. suis has been described in the USA, Italy, Switzerland, Belgium, Cyprus and Israel. Tetracyclines are commonly used in pig production due to their broad-spectrum activity and relatively low cost. The aim of this study was to isolate clinical C. suis samples in cell culture and to evaluate their antibiotic susceptibility in vitro under consideration of antibiotic treatment on herd level...
2016: PloS One
https://www.readbyqxmd.com/read/27893603/young-low-risk-heterosexual-clients-prefer-a-chlamydia-home-collection-test-to-a-sexually-transmitted-infection-clinic-visit-in-amsterdam-the-netherlands-a-cross-sectional-study
#14
Martijn S van Rooijen, Rik H Koekenbier, Alfons Hendriks, Henry J C de Vries, Petra van Leeuwen, Maaike G van Veen
BACKGROUND: Home-based self-collection of specimens for urogenital and anorectal chlamydia testing has been proven feasible and acceptable. We studied the efficiency of chlamydia home collection kits for young low-risk persons to optimize care at the Amsterdam sexually transmitted infection (STI) clinic. METHODS: Low-risk heterosexual persons under 25 years submitting an appointment request online were offered 3 different ways of chlamydia testing: (1) receiving a home collection kit, (2) coming to the clinic without, or (3) with sexual health counseling...
November 2016: Sexually Transmitted Diseases
https://www.readbyqxmd.com/read/27893601/reducing-missed-opportunities-pairing-sexually-transmitted-infection-screening-with-syringe-exchange-services
#15
Alexis M Roth, Jesse L Goldshear, Ana P Martinez-Donate, Seth Welles, Martha Chavis, Barbara Van Der Pol
About 17.5% of sexually active injection drug users recruited from a syringe exchange in Camden, NJ (n = 120) screened positive for chlamydia/gonorrhea. Among these cases, 40% were detected via extragenital screening. This pilot demonstrates that colocating sexually transmitted infection control with syringe exchange leads to sexually transmitted infection case finding.
November 2016: Sexually Transmitted Diseases
https://www.readbyqxmd.com/read/27893600/prevalence-and-correlates-of-genital-infections-among-newly-diagnosed-human-immunodeficiency-virus-infected-adults-entering-human-immunodeficiency-virus-care-in-windhoek-namibia
#16
Gaston Djomand, Madeleine Schlefer, Steve Gutreuter, Sarah Tobias, Roopal Patel, Nickolas DeLuca, Julia Hood, Souleymane Sawadogo, Cheng Chen, Alexinah Muadinohamba, David W Lowrance, Naomi Bock
BACKGROUND: Identifying and treating genital infections, including sexually transmitted infections (STI), among newly diagnosed human immunodeficiency virus (HIV)-infected individuals may benefit both public and individual health. We assessed prevalence of genital infections and their correlates among newly diagnosed HIV-infected individuals enrolling in HIV care services in Namibia. METHODS: Newly diagnosed HIV-infected adults entering HIV care at 2 health facilities in Windhoek, Namibia, were recruited from December 2012 to March 2014...
November 2016: Sexually Transmitted Diseases
https://www.readbyqxmd.com/read/27893596/pharmacists-knowledge-and-practices-surrounding-expedited-partner-therapy-for-chlamydia-trachomatis-new-york-city-2012-and-2014
#17
Amanda Reid, Meighan E Rogers, Vibhuti Arya, Zoe R Edelstein, Julia A Schillinger
BACKGROUND: Health care providers in New York City can prescribe treatment for Chlamydia trachomatis (Ct) for a patient's partner without the partner having a medical evaluation ("prescription-expedited partner therapy" [EPT]), and use of prescription-EPT is common. However, there is little known about pharmacists' knowledge and practices surrounding EPT. METHODS: Two cross-sectional surveys, in 2012 and 2014, were conducted with representative samples of supervising pharmacists in NYC neighborhoods with high rates of Ct infection...
November 2016: Sexually Transmitted Diseases
https://www.readbyqxmd.com/read/27893595/the-impact-of-prescriptions-on-sex-partner-treatment-using-expedited-partner-therapy-for-chlamydia-trachomatis-infection-new-york-city-2014-2015
#18
Ashley Oliver, Meighan Rogers, Julia A Schillinger
BACKGROUND: Chlamydia trachomatis reinfections, often resulting from resuming sex with untreated partners, can increase the risk of pelvic inflammatory disease, infertility, and ectopic pregnancy. Expedited partner therapy (EPT) has been shown to prevent reinfection when provided as medication (Medication-EPT) that patients give to sex partners; however, EPT is often provided as a prescription (Prescription-EPT). We compared partner treatment outcomes for Medication-EPT versus Prescription-EPT...
November 2016: Sexually Transmitted Diseases
https://www.readbyqxmd.com/read/27892938/dendritic-cell-function-and-pathogen-specific-t-cell-immunity-are-inhibited-in-mice-administered-levonorgestrel-prior-to-intranasal-chlamydia-trachomatis-infection
#19
Nirk E Quispe Calla, Rodolfo D Vicetti Miguel, Ao Mei, Shumin Fan, Jocelyn R Gilmore, Thomas L Cherpes
The growing popularity of levonorgestrel (LNG)-releasing intra-uterine systems for long-acting reversible contraception provides strong impetus to define immunomodulatory properties of this exogenous progestin. In initial in vitro studies herein, we found LNG significantly impaired activation of human dendritic cell (DCs) and their capacity to promote allogeneic T cell proliferation. In follow-up studies in a murine model of intranasal Chlamydia trachomatis infection, we analogously found that LNG treatment prior to infection dramatically reduced CD40 expression in DCs isolated from draining lymph nodes at 2 days post infection (dpi)...
November 28, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27890951/a-situational-analysis-of-sexual-and-reproductive-health-issues-in-physically-challenged-people-attending-a-tertiary-care-hospital-in-new-delhi
#20
Utkarsha Agarwal, Sumathi Muralidhar
BACKGROUND AND OBJECTIVES: Physically challenged people constitute the most stigmatized sections of society, and are excluded from outreach programs, besides being considered sexually inactive. They have unaddressed sexual and reproductive healthcare (SRH) issues, predisposing them to sexual abuse and sexually transmitted infections (STIs). The huge paucity of data in this field prompted us to undertake this study. MATERIALS AND METHODS: A cross-sectional survey was conducted on 100 people with more than 40% of permanent disability, attending various out/inpatient facilities of a tertiary care hospital in New Delhi, India...
July 2016: Indian Journal of Sexually Transmitted Diseases
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