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https://www.readbyqxmd.com/read/29334191/exogenous-oestrogen-inhibits-genital-transmission-of-cell-associated-hiv-1-in-dmpa-treated-humanized-mice
#1
Nirk E Quispe Calla, Rodolfo D Vicetti Miguel, Melissa E Glick, Jesse J Kwiek, Janelle M Gabriel, Thomas L Cherpes
INTRODUCTION: HIV affects more women than any other life-threatening infectious agent, and most infections are sexually transmitted. HIV must breach the female genital tract mucosal barrier to establish systemic infection, and clinical studies indicate virus more easily evades this barrier in women using depot-medroxyprogesterone acetate (DMPA) and other injectable progestins for contraception. Identifying a potential mechanism for this association, we learned DMPA promotes susceptibility of wild-type mice to genital herpes simplex virus type 2 (HSV-2) infection by reducing genital tissue expression of the cell-cell adhesion molecule desmoglein-1 (DSG-1) and increasing genital mucosal permeability...
January 2018: Journal of the International AIDS Society
https://www.readbyqxmd.com/read/29281620/dual-strain-genital-herpes-simplex-virus-type-2-hsv-2-infection-in-the-us-peru-and-8-countries-in-sub-saharan-africa-a-nested-cross-sectional-viral-genotyping-study
#2
Christine Johnston, Amalia Magaret, Pavitra Roychoudhury, Alexander L Greninger, Daniel Reeves, Joshua Schiffer, Keith R Jerome, Cassandra Sather, Kurt Diem, Jairam R Lingappa, Connie Celum, David M Koelle, Anna Wald
BACKGROUND: Quantitative estimation of the extent to which the immune system's protective effect against one herpes simplex virus type 2 (HSV-2) infection protects against infection with additional HSV-2 strains is important for understanding the potential for HSV-2 vaccine development. Using viral genotyping, we estimated the prevalence of HSV-2 dual-strain infection and identified risk factors. METHODS AND FINDINGS: People with and without HIV infection participating in HSV-2 natural history studies (University of Washington Virology Research Clinic) and HIV prevention trials (HIV Prevention Trials Network 039 and Partners in Prevention HSV/HIV Transmission Study) in the US, Africa, and Peru with 2 genital specimens each containing ≥105 copies herpes simplex virus DNA/ml collected a median of 5 months apart (IQR: 2-11 months) were included...
December 2017: PLoS Medicine
https://www.readbyqxmd.com/read/29274775/-erratum-to-management-of-pregnant-women-with-first-episode-of-genital-herpes-guidelines-for-clinical-practice-from-the-french-college-of-gynecologists-and-obstetricians-cngof-gynecol-obstet-fertil-senol-45-2017-664-76
#3
https://www.readbyqxmd.com/read/29273146/the-ticking-clock-of-hsv-2%C3%A2-pathology
#4
Rebecca J Bayliss, Vincent Piguet
Herpes simplex virus type 2 (HSV-2) is the causative agent of genital herpes. Matsuzawa et al have demonstrated that, in a mouse model, HSV-2 pathology is influenced by the time infection occurs. Increased expression of the HSV-2 receptor Nectin-1 under the control of CLOCK coincided with an increase in viral titer suggesting that HSV-2 infection is regulated by the host circadian clock.
January 2018: Journal of Investigative Dermatology
https://www.readbyqxmd.com/read/29246195/co-infection-of-sexually-transmitted-pathogens-and-human-papillomavirus-in-cervical-samples-of-women-of-brazil
#5
Aline Teixeira Amorim, Lucas Miranda Marques, Guilherme Barreto Campos, Tássia Neves Lobão, Vanesca de Souza Lino, Ricardo Cesar Cintra, Maria Antonieta Andreoli, Luisa Lina Villa, Enrique Boccardo, Antonio Carlos Ricardo Braga Junior, Rossana Verónica Mendoza López, Djanilson Barbosa Dos Santos, Gerson Maciel de Souza, Carla Cristina Romano, Jorge Timenetsky
BACKGROUND: Some sexually transmitted infectious agents, such as Chlamydia trachomatis and Herpes simplex, cause local inflammation, and could contribute to Human Papillomavirus (HPV) and cervical lesion progression. Thus, the aim of this study was to determine any association between the presence of microorganisms of gynecological importance, sexual behavior, clinical and demographical variables to the development and progress of cervical lesions. METHODS: One hundred and thirty-two women between 14 and 78 years and living at Vitória da Conquista, Bahia, Brazil, were included (62 individuals with cervical lesions and 70 without lesions)...
December 15, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/29243825/dermatologic-manifestations-among-human-immunodeficiency-virus-patients-in-morocco-and-association-with-immune-status
#6
Hicham Titou, Christelle Ebongo, Naoufal Hjira
OBJECTIVE: The objective was to determine if the type and number of skin diseases can be clinical indicators of underlying immune status in HIV1 disease by estimating and correlating with the CD4 count and CDC stage. MATERIALS AND METHODS: This was a retrospective cross-sectional descriptive study. All consecutive patients infected with HIV1 followed at the Dermatology Department of Rabat Military Hospital between January 2008 and January 2017 were studied for dermatological manifestations, CD4 count and CDC clinical stage...
December 15, 2017: International Journal of Dermatology
https://www.readbyqxmd.com/read/29240636/the-etiology-of-genital-ulcer-disease-and-coinfections-with-chlamydia-trachomatis-and-neisseria-gonorrhoeae-in-zimbabwe-results-from-the-zimbabwe-sti-etiology-study
#7
More Mungati, Anna Machiha, Owen Mugurungi, Mufuta Tshimanga, Peter H Kilmarx, Justice Nyakura, Gerald Shambira, Vitalis Kupara, David A Lewis, Elizabeth Gonese, Beth A Tippett Barr, H Hunter Handsfield, Cornelis A Rietmeijer
BACKGROUND: In many countries, sexually transmitted infections (STIs) are treated syndromically. Thus, patients diagnosed as having genital ulcer disease (GUD) in Zimbabwe receive a combination of antimicrobials to treat syphilis, chancroid, lymphogranuloma venereum (LGV), and genital herpes. Periodic studies are necessary to assess the current etiology of GUD and assure the appropriateness of current treatment guidelines. MATERIALS AND METHODS: We selected 6 geographically diverse clinics in Zimbabwe serving high numbers of STI cases to enroll men and women with STI syndromes, including GUD...
January 2018: Sexually Transmitted Diseases
https://www.readbyqxmd.com/read/29231870/improving-the-care-and-treatment-of-monkeypox-patients-in-low-resource-settings-applying-evidence-from-contemporary-biomedical-and-smallpox-biodefense-research
#8
REVIEW
Mary G Reynolds, Andrea M McCollum, Beatrice Nguete, Robert Shongo Lushima, Brett W Petersen
Monkeypox is a smallpox-like illness that can be accompanied by a range of significant medical complications. To date there are no standard or optimized guidelines for the clinical management of monkeypox (MPX) patients, particularly in low-resource settings. Consequently, patients can experience protracted illness and poor outcomes. Improving care necessitates developing a better understanding of the range of clinical manifestations-including complications and sequelae-as well as of features of illness that may be predictive of illness severity and poor outcomes...
December 12, 2017: Viruses
https://www.readbyqxmd.com/read/29223449/anti-hsv-2-activity-of-peganum-harmala-l-and-isolation-of-the-active-compound
#9
Roudaina Benzekri, Lamjed Bouslama, Adele Papetti, Majdi Hammami, Abderrazak Smaoui, Ferid Limam
Genital herpes is a sexually transmitted disease caused by herpes simplex virus type 2 (HSV-2). Nucleoside analogues such as acyclovir (ACV) are the usual therapy for treating HSV infection. However, the overuse of this drug has led to the emergence of resistant strains. Therefore, the search for new alternative or complementary molecules to overcome this obstacle is needed. In this objective, Peganum harmala was investigated for its HSV-2 activity. The organic extracts of the different plant organs were evaluated for their cytotoxicity on Vero cells by the MTT test and anti HSV-2 activity by plaque reduction assay...
December 6, 2017: Microbial Pathogenesis
https://www.readbyqxmd.com/read/29222081/media-consumption-and-creation-in-attitudes-toward-and-knowledge-of-inflammatory-bowel-disease-web-based-survey
#10
Jacob Groshek, Miles Basil, Ling Guo, Sarah Parker Ward, Francis A Farraye, Jason Reich
BACKGROUND: Inflammatory bowel disease (IBD) is a chronic gastrointestinal condition affecting over 5 million people globally and 1.6 million in the United States but currently lacks a precisely determined cause or cure. The range of symptoms IBD patients experience are often debilitating, and the societal stigmas associated with some such symptoms can further degrade their quality of life. Better understanding the nature of this public reproach then is a critical component for improving awareness campaigns and, ultimately, the experiences of IBD patients...
December 8, 2017: Journal of Medical Internet Research
https://www.readbyqxmd.com/read/29203273/the-traditional-use-of-vachellia-nilotica-for-sexually-transmitted-diseases-is-substantiated-by-the-antiviral-activity-of-its-bark-extract-against-sexually-transmitted-viruses
#11
Manuela Donalisio, Valeria Cagno, Andrea Civra, Davide Gibellini, Giuseppina Musumeci, Massimo Rittà, Manik Ghosh, David Lembo
ETHNOPHARMACOLOGICAL RELEVANCE: Vachellia (Acacia) nilotica and other plants of this genus have been used in traditional medicine of Asian and African countries to treat many disorders, including sexually transmitted diseases, but few studies were performed to validate their anti-microbial and anti-viral activity against sexually transmitted infections. AIM OF THE STUDY: The present study was undertaken to explore whether the ethnomedical use of V.nilotica to treat genital lesions is substantiated by its antiviral activity against the human immunodeficiency virus (HIV), the herpes simplex virus (HSV) and the human papillomavirus (HPV)...
December 1, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/29203034/atypical-presentation-of-herpes-simplex-virus-type-2-infection-refractory-to-treatment-with-acyclovir-in-2-hematologic-patients
#12
D Nieto Rodríguez, E Sendagorta Cudós, J M Rueda Carnero, P Herranz Pinto
Herpesvirus infections are not uncommon in hematologic patients. Our first patient, diagnosed with chronic lymphatic leukemia, presented extensive genital herpes infection refractory to treatment with acyclovir and with a partial response to foscarnet, which had to be withdrawn due to systemic adverse effects. The second patient, diagnosed with follicular Hodgkin lymphoma, presented hypertrophic herpes infection refractory to treatment with acyclovir but that responded to intralesional cidofovir and topical imiquimod...
December 1, 2017: Actas Dermo-sifiliográficas
https://www.readbyqxmd.com/read/29186456/the-anti-hiv-drug-tenofovir-a-reverse-transcriptase-inhibitor-also-targets-the-herpes-simplex-virus-hsv-dna-polymerase
#13
Graciela Andrei, Sarah Gillemot, Dimitrios Topalis, Robert Snoeck
Background: Genital herpes is an important cofactor for acquisition of HIV infection and effective prophylaxis is a helpful strategy to halt both HIV and HSV transmission. The antiretroviral agent tenofovir, formulated as a vaginal microbicide gel, was shown to reduce the risk of HIV and HSV-2 acquisition. Methods: HSV-1 and HSV-2 mutants were selected for resistance to tenofovir and PMEO-DAPy (an acyclic nucleoside phosphonate with dual anti-HSV and anti-HIV activity) by stepwise dose escalation...
November 23, 2017: Journal of Infectious Diseases
https://www.readbyqxmd.com/read/29176979/us6-gene-deletion-in-herpes-simplex-virus-type-2-enhances-dendritic-cell-function-and-t-cell-activation
#14
Angello Retamal-Díaz, Kayla A Weiss, Eduardo I Tognarelli, Mariela Freire, Susan M Bueno, Betsy C Herold, William R Jacobs, Pablo A González
Herpes simplex virus (HSV) type 1 (HSV-1) and type 2 (HSV-2) produce lifelong infections that are associated with frequent asymptomatic or clinically apparent reactivation. Importantly, HSV express multiple virulence factors that negatively modulate innate and adaptive immune components. Notably, HSV interfere with dendritic cell (DC) viability and function, likely hindering the capacity of the host to mount effective immunity against these viruses. Recently, an HSV-2 virus that was deleted in glycoprotein D was engineered (designated ΔgD-2)...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/29175899/prospective-cohort-study-showing-persistent-hsv-2-shedding-in-women-with-genital-herpes-2-years-after-acquisition
#15
Meena Ramchandani, Stacy Selke, Amalia Magaret, Gail Barnum, Meei-Li Wu Huang, Lawrence Corey, Anna Wald
OBJECTIVES: Herpes simplex virus type 2 (HSV-2) is a prevalent infection with great variability in clinical and virological manifestations among individuals. This prospective cohort study aims to evaluate the natural history of HSV-2 reactivation in the genital area in the same group of women over time. METHODS: Eighteen immunocompetent HSV-2 seropositive women were evaluated for viral shedding for 70 consecutive days within a median of 8 months (range 1-24 months) of HSV-2 acquisition and again approximately 2...
November 25, 2017: Sexually Transmitted Infections
https://www.readbyqxmd.com/read/29155164/a-new-promising-candidate-to-overcome-drug-resistant-herpes-simplex-virus-infections
#16
Elisabeth Zinser, Adalbert Krawczyk, Petra Mühl-Zürbes, Ulrich Aufderhorst, Lena Stich, Mirko Zaja, Stefan Strobl, Alexander Steinkasserer, Christiane Silke Heilingloh
Infections with Herpes simplex viruses (HSV) belong to the most common human diseases worldwide, resulting in symptoms ranging from painful, but commonly self-limiting lesions of the orofacial or genital tract to severe infections of the eye or life-threatening generalized infections. Frequent HSV-reactivations at the eye may lead to the development of herpetic stromal keratitis, which is one of the major causes of infectious blindness in developed countries. The vast majority of life-threatening generalized infections occur in immunocompromised individuals, such as transplant recipients or patients suffering from advanced human immunodeficiency virus (HIV) infection with concurrent HSV-reactivation...
November 15, 2017: Antiviral Research
https://www.readbyqxmd.com/read/29146286/-genital-herpes-and-pregnancy-epidemiology-clinical-manifestations-prevention-and-screening-guidelines-for-clinical-practice-from-the-french-college-of-gynecologists-and-obstetrician-cngof
#17
O Picone
OBJECTIVES: To analyze the consequences of genital herpes infections in pregnant women. METHODS: The PubMed database and the recommendations from the French and foreign obstetrical societies or colleges have been consulted. RESULTS: The symptomatology of herpes genital rash is often atypical (NP2) and not different during pregnancy (Professional consensus). It is most often due to HSV2 (NP2). Seventy percent of pregnant patients have a history of infection with Herpes simplex virus, without reference to genital or labial localization, and this is in most cases type 1 (NP2)...
November 13, 2017: Gynecologie, Obstetrique, Fertilite & Senologie
https://www.readbyqxmd.com/read/29140871/hiv-prevalence-and-associated-risk-factors-among-men-who-have-sex-with-men-in-dar-es-salaam-tanzania
#18
Elia John Mmbaga, Kåre Moen, Germana Henry Leyna, Rose Mpembeni, Melkizedeck Thomas Leshabari
INTRODUCTION: Limited studies and differential risk behaviours among men who have sex with men(MSM) in Africa calls for population specific studies. We present results from the largest integrated bio-behavioural survey among MSM in Africa to inform programming. METHODS: This was a cross-sectional study utilizing respondent driven sampling to recruit MSM aged 18 and above. Data on socio-demographic characteristics and HIV-related risks were collected and all participants were tested for HIV, Herpes Simplex Virus Type-2 (HSV-2), Hepatitis-B Virus (HBV) and Syphilis...
November 13, 2017: Journal of Acquired Immune Deficiency Syndromes: JAIDS
https://www.readbyqxmd.com/read/29132771/-neonatal-herpes-epidemiology-clinical-manifestations-and-management-guidelines-for-clinical-practice-from-the-french-college-of-gynecologists-and-obstetricians-cngof
#19
L Renesme
OBJECTIVES: To describe the epidemiology of neonatal herpes and its risk factors, clinical and paraclinic manifestations, propose guidelines for a newborn at risk of neonatal herpes, describe treatment modalities, describe post-natal transmission and its prevention. METHODS: Bibliographic search from Medline, Cochrane Library databases and research of international clinical practice guidelines. RESULTS: Neonatal herpes is rare (about 20 cases per year in France) and mainly due to HSV 1 (level of evidence LE3)...
November 10, 2017: Gynecologie, Obstetrique, Fertilite & Senologie
https://www.readbyqxmd.com/read/29132770/-management-of-pregnant-women-with-recurrent-herpes-guidelines-for-clinical-practice-from-the-french-college-of-gynecologists-obstetricians-cngof
#20
O Anselem
OBJECTIVE: To provide guidelines for the management of woman with genital herpes during pregnancy or labor and with known history of genital herpes. METHODS: MedLine and Cochrane Library databases search and review of the main foreign guidelines. RESULTS: Genital herpes ulceration during pregnancy in a woman with history of genital herpes correspond to a recurrence. In this situation, there is no need for virologic confirmation (Grade B). In case of recurrent herpes during pregnancy, antiviral therapy with acyclovir or valacyclovir can be administered but provide low efficiency on duration and severity of symptoms (Grade C)...
November 10, 2017: Gynecologie, Obstetrique, Fertilite & Senologie
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