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https://www.readbyqxmd.com/read/29141915/laboratory-screening-for-children-entering-foster-care
#1
Mary V Greiner, Sarah J Beal, Katie Nause, Mary Allen Staat, Judith W Dexheimer, Philip V Scribano
OBJECTIVES: To determine the prevalence of medical illness detected by laboratory screening in children entering foster care in a single, urban county. METHODS: All children entering foster care in a single county in Ohio were seen at a consultation foster care clinic and had laboratory screening, including testing for infectious diseases such as HIV, hepatitis B, hepatitis C, syphilis, and tuberculosis as well as for hemoglobin and lead levels. RESULTS: Over a 3-year period (2012-2015), laboratory screening was performed on 1977 subjects entering foster care in a consultative foster care clinic...
November 15, 2017: Pediatrics
https://www.readbyqxmd.com/read/29099873/assessing-zika-virus-replication-and-the-development-of-zika-specific-antibodies-after-a-mid-gestation-viral-challenge-in-guinea-pigs
#2
Craig J Bierle, Claudia Fernández-Alarcón, Nelmary Hernandez-Alvarado, Jason C Zabeli, Bradley C Janus, Dira S Putri, Mark R Schleiss
Primary Zika virus (ZIKV) infections that occur during pregnancy can cause spontaneous abortion and profoundly disrupt fetal development. While the full range of developmental abnormalities associated with congenital Zika syndrome is not yet known, severe cases of the syndrome can present with microcephaly, extensive neurologic and ocular damage, and pronounced joint malformations. Animal models that accurately recapitulate congenital Zika syndrome are urgently needed for vaccine development and for the study of ZIKV pathogenesis...
2017: PloS One
https://www.readbyqxmd.com/read/29051759/ifn%C3%AE-enhances-cd64-potentiated-phagocytosis-of-treponema-pallidum-opsonized-with-human-syphilitic-serum-by-human-macrophages
#3
Kelly L Hawley, Adriana R Cruz, Sarah J Benjamin, Carson J La Vake, Jorge L Cervantes, Morgan LeDoyt, Lady G Ramirez, Daniza Mandich, Mary Fiel-Gan, Melissa J Caimano, Justin D Radolf, Juan C Salazar
Syphilis is a multi-stage, sexually transmitted disease caused by the spirochete Treponema pallidum (Tp). Considered broadly, syphilis can be conceptualized as a dualistic process in which spirochete-driven inflammation, the cause of clinical manifestations, coexists to varying extents with bacterial persistence. Inflammation is elicited in the tissues, along with the persistence of spirochetes to keep driving a robust immune response while evading host defenses; this duality is best exemplified during the florid, disseminated stage called secondary syphilis (SS)...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/29022569/syphilis
#4
REVIEW
Rosanna W Peeling, David Mabey, Mary L Kamb, Xiang-Sheng Chen, Justin D Radolf, Adele S Benzaken
Treponema pallidum subspecies pallidum (T. pallidum) causes syphilis via sexual exposure or via vertical transmission during pregnancy. T. pallidum is renowned for its invasiveness and immune-evasiveness; its clinical manifestations result from local inflammatory responses to replicating spirochaetes and often imitate those of other diseases. The spirochaete has a long latent period during which individuals have no signs or symptoms but can remain infectious. Despite the availability of simple diagnostic tests and the effectiveness of treatment with a single dose of long-acting penicillin, syphilis is re-emerging as a global public health problem, particularly among men who have sex with men (MSM) in high-income and middle-income countries...
October 12, 2017: Nature Reviews. Disease Primers
https://www.readbyqxmd.com/read/29021408/repeat-syphilis-has-a-different-immune-response-compared-with-initial-syphilis-an-analysis-of-biomarker-kinetics-in-two-cohorts
#5
Chris Kenyon, Achilleas Tsoumanis, Kara Osbak, Marjan Van Esbroeck, Eric Florence, Tania Crucitti, Luc Kesten
OBJECTIVE: We aimed to asses if there are differences in the clinical presentation and immune response of repeat as compared with initial syphilis. METHODS: Prospective study: we prospectively recruited all patients with a new diagnosis of syphilis and tested their plasma for a range of cytochemokines and rapid plasma reagin (RPR) at baseline pretreatment and 6 months following therapy. Retrospective study: we compared RPR assay response kinetics between initial and repeat syphilis in persons attending our HIV/STI clinic from 1993 to 2016...
October 11, 2017: Sexually Transmitted Infections
https://www.readbyqxmd.com/read/28982539/treponema-pallidum-flagellins-stimulate-mmp-9-and-mmp-13-expression-via-tlr5-and-mapk-nf-%C3%AE%C2%BAb-signaling-pathways-in-human-epidermal-keratinocytes
#6
Chuanhao Jiang, Man Xu, Xingxing Kuang, Jinhong Xiao, Manyi Tan, Yafeng Xie, Yongjian Xiao, Feijun Zhao, Yimou Wu
Syphilis is a chronic disease caused by Treponema pallidum and the pathogenesis is still unclear. T. pallidum infection induced inflammatory responses are involved in the immunopathological damage in skin and other tissues. Flagellin, the monomeric subunit of bacterial flagella, is a classic pathogen associated molecular patterns (PAMPs) that interacts to TLR5 and induces inflammatory responses. Keratinocytes, as immune sentinels recognize the PAMPs via TLRs, play an important role in skin innate immune response...
October 2, 2017: Experimental Cell Research
https://www.readbyqxmd.com/read/28955441/the-great-impostor-lues-maligna-in-an-hiv-infected-male
#7
Alfredo J Mena Lora, Marylee Braniecki, Ayman Nasir, Maximo Brito
Lues maligna is a rare severe cutaneous manifestation of secondary syphilis. It is also known as malignant syphilis and ulceronodular syphilis. We report a case of a 58-year-old HIV-infected male who presented with diffuse, pruritic, non-tender, maculo-papular skin lesions, ulcerated nodules and plaques surrounded by an erythematous base. The disseminated skin lesions were at various stages and were located on his back, chest, arms and testicles. Patient had been receiving antiretroviral therapy. Laboratory studies had demonstrated CD4 lymphocyte count of 463 cells/mm(3) and an undetectable HIV viral load...
2017: SAGE open medical case reports
https://www.readbyqxmd.com/read/28937523/cytomegalovirus-retinitis-associated-with-occlusive-vasculopathy-in-an-elderly-human-immunodeficiency-virus-negative-man
#8
Kareem Moussa, Thuy Doan, Jay M Stewart, Jessica Shantha, John Gonzales, Nisha Acharya, Emmett T Cunningham
PURPOSE: To present a case of cytomegalovirus (CMV) retinitis associated with occlusive vasculopathy presenting as sudden unilateral loss of vision in a human immunodeficiency virus-negative elderly man. METHODS: Clinical case report and literature review. RESULTS: An 84-year-old Chinese man with diabetes mellitus and primary open-angle glaucoma was seen in consultation by our uveitis service for evaluation of sudden vision loss in the right eye...
September 20, 2017: Retinal Cases & Brief Reports
https://www.readbyqxmd.com/read/28871259/syphilis-infection-differentially-regulates-the-phenotype-and-function-of-%C3%AE-%C3%AE-t-cells-in-hiv-1-infected-patients-depends-on-the-hiv-1-disease-stage
#9
Zhen Li, Xiaofan Lu, Zhiliang Hu, Zhenwu Luo, Wei Jiang, Hao Wu, Yanqing Gao, Junling Yan, Qiuyue Zhang, Aixin Song, Xiaojie Huang, Danlei Mou, Bin Su, Tong Zhang
A rapidly escalating outbreak of syphilis infection has been affected men who have sex with men, particularly those with HIV-1 infection. γδ T cells are unconventional immune cells with two main subsets, Vδ1 T cells and Vδ2 T cells, which possess a combination of innate and adaptive immune features allowing them against HIV-1. However, whether syphilis infection affects the phenotype and function of γδ T cells in HIV-1-infected patients remains unclear, especially in acute HIV-1 infection (AHI). In this study, we enrolled 57 HIV-1-infected patients (24 with HIV-1 infection only and 33 coinfected with syphilis) from an acute HIV-1-infected cohort in Beijing (PRIMO)...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28768983/longitudinally-extensive-transverse-myelitis-and-optic-neuropathy-associated-with-syphilitic-meningomyelitis-and-human-immunodeficiency-virus-infection-a-case-report-and-review-of-the-literature
#10
Rie Tohge, Yuya Shinoto, Makio Takahashi
The incidence of co-infection with Treponema pallidum and human immunodeficiency virus (HIV) is increasing in developing and developed countries. The neurological complications of both infections occasionally occur simultaneously during a clinical course. We herein report the case of an HIV carrier with syphilitic meningomyelitis and subclinical optic neuropathy. The patient presumably had latent syphilis and slowly developed longitudinally extensive transverse myelitis (LETM). A cerebrospinal fluid examination confirmed the diagnosis of active neurosyphilis based on an elevated T...
2017: Internal Medicine
https://www.readbyqxmd.com/read/28607411/an-immunization-strategy-for-hidden-populations
#11
Saran Chen, Xin Lu
Hidden populations, such as injecting drug users (IDUs), sex workers (SWs) and men who have sex with men (MSM), are considered at high risk of contracting and transmitting infectious diseases such as AIDS, gonorrhea, syphilis etc. However, public health interventions to such groups are prohibited due to strong privacy concerns and lack of global information, which is a necessity for traditional strategies such as targeted immunization and acquaintance immunization. In this study, we introduce an innovative intervention strategy to be used in combination with a sampling approach that is widely used for hidden populations, Respondent-driven Sampling (RDS)...
June 12, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28606185/non-malarial-infectious-diseases-of-antenatal-care-in-pregnant-women-in-franceville-gabon
#12
Irene Pegha Moukandja, Edgard Brice Ngoungou, Guy Joseph Lemamy, Ulrick Bisvigou, Antoine Gessain, Fousseyni S Toure Ndouo, Mirdad Kazanji, Jean Bernard Lekana-Douki
BACKGROUND: In sub-tropical countries, infectious diseases remain one of the main causes of mortality. Because of their lack of active immunity, pregnant women and their unborn children represent the most susceptible people. In Gabon, data on infectious diseases of pregnant women such as syphilis and rubella are either scarce or very old. Few studies have assessed T. gondii infection during pregnancy in the country. Here, we evaluate seroprevalence of HIV, HTVL-1, syphilis and T. gondii and rubella infection during antenatal care among women living in Franceville, Gabon...
June 12, 2017: BMC Pregnancy and Childbirth
https://www.readbyqxmd.com/read/28538901/sexually-transmitted-infections-and-pro-lives-based-on-a-clinical-report
#13
Paulo Eduardo Neves Ferreira Velho
Physicians are also responsible for the increase in sexually transmitted infections. We report a case of patient inadequately monitored, that shows the importance of physicians to take basic measures with any individual at risk of acquiring such infections. We propose the following mnemonic acrostic: PRO-LIVES (Protection: usual and proper codom use, Responsibility, Other orientations, Laboratory tests -HIV infection, syphilis and B and C hepatitis-, Immunization: B hepatitis vaccination, Various: at least two patients, Ensure: case history and physical examination, Single dose treatment: whenever possible)...
March 2017: Anais Brasileiros de Dermatologia
https://www.readbyqxmd.com/read/28484042/a-proteomic-signature-of-dormancy-in-the-actinobacterium-micrococcus-luteus
#14
Sujina Mali, Morgan Mitchell, Spencer Havis, Abiodun Bodunrin, Jonathan Rangel, Gabriella Olson, William R Widger, Steven J Bark
Dormancy is a protective state in which diverse bacteria, including Mycobacterium tuberculosis, Staphylococcus aureus, Treponema pallidum (syphilis), and Borrelia burgdorferi (Lyme disease), curtail metabolic activity to survive external stresses, including antibiotics. Evidence suggests dormancy consists of a continuum of interrelated states, including viable but nonculturable (VBNC) and persistence states. VBNC and persistence contribute to antibiotic tolerance, reemergence from latent infections, and even quorum sensing and biofilm formation...
July 15, 2017: Journal of Bacteriology
https://www.readbyqxmd.com/read/28482131/incidence-of-acute-hepatitis-a-among-hiv-positive-patients-during-an-outbreak-among-msm-in-taiwan-impact-of-hav-vaccination
#15
Guan-Jhou Chen, Kuan-Yin Lin, Hsin-Yun Sun, Wang-Huei Sheng, Szu-Min Hsieh, Yi-Chia Huang, Aristine Cheng, Wen-Chun Liu, Chien-Ching Hung, Shan-Chwen Chang
BACKGROUND: An unprecedented outbreak of acute hepatitis A has occurred among MSM in Taiwan since June 2015. We aimed to describe the seroepidemiology of HAV infection and to investigate the relationship between HAV vaccination and the incidence of acute hepatitis A among HIV-positive patients at the largest designated hospital for HIV care during the outbreak. METHODS: Between 2012 and 2016, the HAV serostatus, vaccination history, and clinical characteristics of HIV-positive patients were retrospectively reviewed...
May 8, 2017: Liver International: Official Journal of the International Association for the Study of the Liver
https://www.readbyqxmd.com/read/28431845/infection-prevention-and-control-and-the-refugee-population-experiences-from-the-university-of-louisville-global-health-center
#16
Ruth M Carrico, Linda Goss, Timothy L Wiemken, Rahel S Bosson, Paula Peyrani, William A Mattingly, Allison Pauly, Rebecca A Ford, Stanley Kotey, Julio A Ramirez
BACKGROUND: During 2016, approximately 140,000 individuals entered the United States as part of the federal government refugee resettlement program and established themselves in communities in virtually every state. No national database regarding refugee health currently exists; therefore, little is known about existing infectious diseases, conditions, and cultural practices that impact successful acculturation. The objective of this report is to identify what is currently known about refugees and circumstances important to infection prevention and control with respect to their roles as new community members, employees, and consumers of health care...
April 18, 2017: American Journal of Infection Control
https://www.readbyqxmd.com/read/28399709/treponema-pallidum-ssp-pallidum-identification-by-real-time-pcr-targetting-the-pola-gene-in-paraffin-embedded-samples-positive-by-immunohistochemistry
#17
A Gama, E M Carrillo-Casas, R Hernández-Castro, V A Vázquez-Aceituno, S Toussaint-Caire, J Xicohtencatl-Cortes, R Fernández-Martínez, G Moreno-Coutiño
Syphilis is a systemic and sexually transmitted infection caused by Treponema pallidum ssp. pallidum. This spirochete causes different clinical and subclinical stages depending on the duration of infection and immune status of the host. Several tests have been developed for diagnosis, and are classified into direct and indirect methods. The first one includes dark field microscopy, direct fluorescent antibody test in fluids or tissue, and molecular biology techniques. In the indirect method (serologic), the routine tests are used, and are divided in two categories: non-treponemal and treponemal ones...
January 1, 2017: International Journal of STD & AIDS
https://www.readbyqxmd.com/read/28369934/recurrent-donath-landsteiner-hemolytic-anemia-a-pediatric-case-report
#18
Sara D Prince, Lena E Winestone, Sandra J Nance, David F Friedman
BACKGROUND: Paroxysmal cold hemoglobinuria (PCH) is a form of autoimmune hemolytic anemia caused by the Donath-Landsteiner antibody (D-L antibody). In children, this is typically a transient immune-mediated hemolysis that follows a viral illness and does not recur. Recurrent acute or chronic PCH due to D-L antibody is very rare. CASE REPORT: We have reported a unique case of recurrent PCH in a 5-year-old boy with two acute episodes of hemolysis separated by 21 months of hematologic remission...
June 2017: Transfusion
https://www.readbyqxmd.com/read/28366895/syphilization-and-its-discontents-experimental-inoculation-against-syphilis-at-the-london-lock-hospital
#19
Anne Hanley
In 1867 James Lane and George Gascoyen, surgeons to the London Lock Hospital, compiled a report on their experiments with a new and controversial treatment. The procedure, known as "syphilization," saw patients be inoculated with infective matter taken from a primary syphilitic ulcer or the artificial sores produced in another patient. Each patient received between 102 and 468 inoculations to determine whether syphilization could cure syphilis and produce immunity against reinfection. This article examines the theory and practice of this experimental treatment...
2017: Bulletin of the History of Medicine
https://www.readbyqxmd.com/read/28327799/prevalence-and-factors-associated-with-syphilis-in-a-reference-center
#20
Natália Carolina Rodrigues Colombo Gomes, Denise Andrade Pereira Meier, Flávia Meneguetti Pieri, Elaine Alves, Silvia Paulino Ribeiro Albanese, Edvilson Cristiano Lentine, Ricardo Alexandre Arcêncio, Elma Mathias Dessunti
INTRODUCTION: The implementation of the rapid test (RT) for syphilis increases access of vulnerable populations to early diagnosis and treatment, impacting the outcomes of infection. We aimed to assess the prevalence of and factors associated with syphilis in a Center for Testing and Counseling (CTC). METHODS: We conducted a cross-sectional study at a Reference Center for sexually transmitted disease (STD) and acquired immune deficiency syndrome in Londrina, Northern Paraná State, Southern Brazil...
January 2017: Revista da Sociedade Brasileira de Medicina Tropical
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