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T. pallidum

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https://www.readbyqxmd.com/read/28894291/neural-predictors-of-12-month-weight-loss-outcomes-following-bariatric-surgery
#1
L M Holsen, P Davidson, H Cerit, T Hye, P Moondra, F Haimovici, S Sogg, S Shikora, J M Goldstein, A E Evins, L E Stoeckel
BACKGROUND/OBJECTIVES: Despite the effectiveness of bariatric surgery, there is still substantial variability in long-term weight outcomes and few factors with predictive power to explain this variability. Neuroimaging may provide a novel biomarker with utility beyond other commonly used variables in bariatric surgery trials to improve prediction of long-term weight-loss outcomes. The purpose of this study was to evaluate the effects of sleeve gastrectomy (SG) on reward and cognitive control circuitry postsurgery and determine the extent to which baseline brain activity predicts weight loss at 12-month postsurgery...
August 14, 2017: International Journal of Obesity: Journal of the International Association for the Study of Obesity
https://www.readbyqxmd.com/read/28886021/complete-genome-sequences-of-two-strains-of-treponema-pallidum-subsp-pertenue-from-ghana-africa-identical-genome-sequences-in-samples-isolated-more-than-7-years-apart
#2
Michal Strouhal, Lenka Mikalová, Pavla Havlíčková, Paolo Tenti, Darina Čejková, Ivan Rychlík, Sylvia Bruisten, David Šmajs
BACKGROUND: Treponema pallidum subsp. pertenue (TPE) is the causative agent of yaws, a multi-stage disease, endemic in tropical regions of Africa, Asia, Oceania, and South America. To date, four TPE strains have been completely sequenced including three TPE strains of human origin (Samoa D, CDC-2, and Gauthier) and one TPE strain (Fribourg-Blanc) isolated from a baboon. All TPE strains are highly similar to T. pallidum subsp. pallidum (TPA) strains. The mutation rate in syphilis and related treponemes has not been experimentally determined yet...
September 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/28870407/striatal-dopamine-d2-3-receptor-mediated-neurotransmission-in-major-depression-implications-for-anhedonia-anxiety-and-treatment-response
#3
Marta Peciña, Magdalena Sikora, Erich T Avery, Joseph Heffernan, Susana Peciña, Brian J Mickey, Jon-Kar Zubieta
Dopamine (DA) neurotransmission within the brain's reward circuit has been implicated in the pathophysiology of depression and in both, cognitive and pharmacological mechanisms of treatment response. Still, a direct relationship between measures of DA neurotransmission and reward-related deficits in patients with depression has not been demonstrated. To gain insight into the symptom-specific alterations in the DA system in patients with depression, we used positron emission tomography (PET) and the D2/3 receptor-selective radiotracer [(11)C]raclopride in twenty-three non-smoking un-medicated Major Depressive Disorder (MDD) patients and sixteen healthy controls (HC)...
September 1, 2017: European Neuropsychopharmacology: the Journal of the European College of Neuropsychopharmacology
https://www.readbyqxmd.com/read/28821219/early-congenital-syphilis-recognising-symptoms-of-an-increasingly-prevalent-disease
#4
Nupur U Patel, Elias Oussedik, Erin T Landis, Lindsay C Strowd
BACKGROUND: Congenital syphilis (CS) is an infectious disease resulting from transplacental transmission of Treponema pallidum spirochetes from an infected mother to fetus during pregnancy. While uncommon, CS has shown an increased incidence in Canada and the United States since 2001 and 2012, respectively. CASE REPORT: We present the case of a 5-week-old female infant with blistering rash on the palms and soles. The infant displayed decreased movement of the left upper extremity, clinically consistent with Parrot pseudoparalysis...
August 1, 2017: Journal of Cutaneous Medicine and Surgery
https://www.readbyqxmd.com/read/28820706/high-prevalence-of-treponema-pallidum-infection-in-brazilian-prisoners
#5
Maisa Estopa Correa, Julio Croda, Ana Rita Coimbra Motta de Castro, Sandra Maria do Valle Leone de Oliveira, Maurício Antonio Pompilio, Ronaldo Omizolo de Souza, Júlio Henrique Ferreira de Sá Queiroz, Kesia Esther da Silva, Albert L Ko, Simone Simionatto
The number of new syphilis cases in Brazil has risen alarmingly in recent years. However, there is limited data regarding syphilis prevalence in the Brazilian prison population. To facilitate the development of effective interventions, a cross-sectional study was undertaken to determine the prevalence of Treponema pallidum infection, active syphilis, and associated risk factors among Brazilian prisoners. We administered a questionnaire to a population-based sample of prisoners from 12 prisons in Central-West Brazil and collected sera for syphilis testing, from January to December 2013...
July 31, 2017: American Journal of Tropical Medicine and Hygiene
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
#6
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/28762558/mycoplasma-genitalium-an-agent-of-reemerging-sexually-transmitted-infections
#7
Sophie Edouard, Hervé Tissot-Dupont, Grégory Dubourg, Annick Bernard, Pierre-Edouard Fournier, Isabelle Ravaux, Andreas Stein, Didier Raoult
M. genitalium is a reemerging microorganism, responsible for sexually transmissible infections (STIs), with prevalence which varies depending on the country and population group studied. We report here M. genitalium prevalence among the specimens received for STI diagnosis in our routine microbiological laboratory in the university hospital in Marseille, France. We tested 4 624 samples from 3 793 patients using qPCR for M. genitalium, C. trachomatis, N. gonorrheae, T. pallidum. Of these samples, 528 (13.6%) patients were tested positive for at least one pathogen and 126 (3...
August 1, 2017: APMIS: Acta Pathologica, Microbiologica, et Immunologica Scandinavica
https://www.readbyqxmd.com/read/28727773/the-tradition-algorithm-approach-underestimates-the-prevalence-of-serodiagnosis-of-syphilis-in-hiv-infected-individuals
#8
COMPARATIVE STUDY
Bin Chen, Xiuming Peng, Tiansheng Xie, Changzhong Jin, Fumin Liu, Nanping Wu
Currently, there are three algorithms for screening of syphilis: traditional algorithm, reverse algorithm and European Centre for Disease Prevention and Control (ECDC) algorithm. To date, there is not a generally recognized diagnostic algorithm. When syphilis meets HIV, the situation is even more complex. To evaluate their screening performance and impact on the seroprevalence of syphilis in HIV-infected individuals, we conducted a cross-sectional study included 865 serum samples from HIV-infected patients in a tertiary hospital...
July 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/28714113/secondary-syphilis-primarily-presenting-with-multiple-nodules-on-the-scalp-case-report-and-published-work-review
#9
Fan Li, Tingting Wang, Lin Wang
Syphilis, a sexually transmitted disease caused by Treponema pallidum, manifests with a broad spectrum of clinical presentations that usually involves skin. Nodular secondary syphilis occurs rarely, and mostly manifests as disseminated papulonodules or plaques over the trunk and limbs. We report an extremely rare case of nodular secondary syphilis that primarily presented with multiple nodules on the scalp, resembling Rosai-Dorfman disease or cutaneous malignant metastasis. Immunohistochemistry confirmed T...
July 17, 2017: Journal of Dermatology
https://www.readbyqxmd.com/read/28712508/health-care-importance-of-treponema-pallidum-chagas-disease-and-human-immunodeficiency-virus-1-among-amerindians-of-argentina-an-observational-study
#10
María E Eirin, Cecilia M Delfino, Williams R Pedrozo, Richard Malan, Alberto Puca, Ana M De Rissio, Rogelio D Espejo, María L Gallo Vaulet, Marcelo Rodríguez Fermepin, Mirna M Biglione, Carolina A Berini
The objective of this study was to estimate the prevalence of Treponema pallidum, Trypanosoma cruzi and Human immunodeficiency virus 1 (HIV-1) in five Amerindian populations of Argentina. A retrospective study was conducted among 857 Amerindian populations (112 Kollas, 298 Mbyá-guaraníes, 79 Sagua Huarpes, 368 Wichis) from 2007 to 2010. Screening and confirmation of T. pallidum, T. cruzi and HIV-1 were performed. T. pallidum and T. cruzi infections were detected in all communities with an overall prevalence rate of 4...
July 13, 2017: Revista Argentina de Microbiología
https://www.readbyqxmd.com/read/28667376/sexually-divergent-effect-of-comt-val-met-genotype-on-subcortical-volumes-in-schizophrenia
#11
Irene Bollettini, Marco Spangaro, Sara Poletti, Cristina Lorenzi, Adele Pirovano, Benedetta Vai, Enrico Smeraldi, Roberto Cavallaro, Francesco Benedetti
Structural and functional alterations of subcortical areas have been observed in schizophrenia. COMT Val108/158Met has been associated with schizophrenia and implicated in different cognitive and neurofunctional alterations. Recent studies suggested that COMT genotype influences neuronal growth. Genetic variations in COMT were associated with sexually dimorphic effects on enzymatic activity, brain anatomy and behavior suggesting that gender might be crucial in interpreting COMT-dependent effects. Based on these data, we investigated possible effects of the interaction between COMT Val108/158Met genotype and gender on subcortical volumes among 79 patients with schizophrenia...
June 30, 2017: Brain Imaging and Behavior
https://www.readbyqxmd.com/read/28660379/hiv-incidence-and-care-linkage-among-msm-first-time-testers-in-shenyang-china-2012-2014
#12
Jing Zhang, Jun-Jie Xu, Wei Song, Shi Pan, Zhen-Xing Chu, Qing-Hai Hu, Huan Yu, Xiang Mao, Yong-Jun Jiang, Wen-Qing Geng, Hong Shang, Ning Wang
HIV testing is the first step to the fulfillment of Treat as Prevention (TasP) and reaching the 90-90-90 goal in HIV control. However, there are still a large number of Men who have Sex with Men (MSM) have never been tested for HIV before, and little is known about the HIV incidence and care linkage among this population. A Mixed method was used to recruit MSM who had never tested for HIV before from January 2012 to December 2014 in Shenyang, China. Potential MSM participants were invited to attend the enrollment for HIV and syphilis testing at a general hospital-based voluntary counseling and test (VCT)...
June 30, 2017: AIDS and Behavior
https://www.readbyqxmd.com/read/28653418/syphilis-testing-practices-in-the-americas
#13
Thuy T Trinh, Mary L Kamb, Minh Luu, D Cal Ham, Freddy Perez
OBJECTIVE: To present the findings of the Pan American Health Organization's 2014 survey on syphilis testing policies and practices in the Americas. METHODS: Representatives of national/regional reference and large, lower-level laboratories from 35 member states were invited to participate. A semi-structured, electronically administered questionnaire collected data on syphilis tests, algorithms, equipment/commodities, challenges faced and basic quality assurance (QA) strategies employed (i...
September 2017: Tropical Medicine & International Health: TM & IH
https://www.readbyqxmd.com/read/28614239/the-analyzation-and-clinical-evaluation-of-eclia-and-cmia-in-the-detection-of-treponema-pallidum
#14
COMPARATIVE STUDY
Jiansuo Zhou, Yongming Liang, Jie Zhang, Liyan Cui
To evaluate the clinical application value of electrochemiluminescence immunoassay analyzer (ECLIA) and chemiluminescent magnetic microparticle immunoassay (CMIA) in the detection of Treponema pallidum (TP).A total of 1225 patients in Peking University Third Hospital was enrolled from June 2014 to October 2014. ECLIA and CMIA were applied to detect the serum anti-TP. The positive rate was analyzed. RIBA was taken as a golden standard to evaluate the sensitivity, the specificity, the positive predictive value, the negative predictive value, and the accuracy of ECLIA and CMIA...
June 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28606185/non-malarial-infectious-diseases-of-antenatal-care-in-pregnant-women-in-franceville-gabon
#15
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/28604483/laboratory-evaluation-of-a-smartphone-based-electronic-reader-of-rapid-dual-point-of-care-tests-for-antibodies-to-human-immunodeficiency-virus-and-treponema-pallidum-infections
#16
Sasha Herbst de Cortina, Claire C Bristow, Romney Humphries, Silver Keith Vargas, Kelika A Konda, Carlos F Caceres, Jeffrey D Klausner
BACKGROUND: Dual point-of-care tests for antibodies to human immunodeficiency virus (HIV) and Treponema pallidum allow for same-day testing and treatment and have been demonstrated to be cost-effective in preventing the adverse outcomes of HIV infection and syphilis. By recording and transmitting data as they are collected, electronic readers address challenges related to the decentralization of point-of-care testing. METHODS: We evaluated a smartphone-based electronic reader using 201 sera tested with 2 dual rapid tests for detection of antibodies to HIV and T...
July 2017: Sexually Transmitted Diseases
https://www.readbyqxmd.com/read/28597560/l-dopa-responsiveness-is-associated-with-distinctive-connectivity-patterns-in-advanced-parkinson-s-disease
#17
Harith Akram, Chengyuan Wu, Jonathan Hyam, Thomas Foltynie, Patricia Limousin, Enrico De Vita, Tarek Yousry, Marjan Jahanshahi, Marwan Hariz, Timothy Behrens, John Ashburner, Ludvic Zrinzo
BACKGROUND: Neuronal loss and dopamine depletion alter motor signal processing between cortical motor areas, basal ganglia, and the thalamus, resulting in the motor manifestations of Parkinson's disease. Dopamine replacement therapy can reverse these manifestations with varying degrees of improvement. METHODS: To evaluate functional connectivity in patients with advanced Parkinson's disease and changes in functional connectivity in relation to the degree of response to l-dopa, 19 patients with advanced Parkinson's disease underwent resting-state functional magnetic resonance imaging in the on-medication state...
June 2017: Movement Disorders: Official Journal of the Movement Disorder Society
https://www.readbyqxmd.com/read/28590237/evaluation-of-self-collected-rectal-swabs-for-the-detection-of-bacteria-responsible-for-sexually-transmitted-infections-in-a-cohort-of-hiv-1-infected-patients
#18
Sophie Edouard, Catherine Tamalet, Hervé Tissot-Dupont, Philippe Colson, Amélie Ménard, Isabelle Ravaux, Catherine Dhiver, Christelle Tomei, Andreas Stein, Didier Raoult
PURPOSE: The standard approach to screening sexually transmitted infections (STIs) has often been restricted to urogenital specimens. Most current guidelines, however, also recommend testing extra-genital sites, including rectal locations, because asymptomatic rectal carriage of pathogens has often been reported. The aim of our study was to evaluate self-collected rectal swabs to screen bacterial STIs in HIV-infected patients in Marseille, France. METHODOLOGY: Between January 2014 and December 2015, 118 HIV-infected patients (93 males and 25 females) agreed to self-sample anal swabs for detection of bacterial STI...
June 8, 2017: Journal of Medical Microbiology
https://www.readbyqxmd.com/read/28580832/syphilis-gastritis-a-case-report
#19
Kuan Lai, Nicolas Pinto-Sander, Daniel Richardson, Shanshan Wei, Kang Zeng
Awareness of the spectrum of clinical manifestations of syphilis, especially uncommon changes, is essential for diagnosis and effective management of patients. A 48-year-old Han businessman presented to the ear, nose and throat surgeons with an eight-week history of epigastric pain, a four-week history of a widespread non-itchy rash including the scrotal skin and a one-week history of tinnitus and dizziness. On examination, he was afebrile with widespread lymphadenopathy and a maculopapular rash affecting his trunk and scrotum...
January 1, 2017: International Journal of STD & AIDS
https://www.readbyqxmd.com/read/28580697/genetic-influences-on-individual-differences-in-longitudinal-changes-in-global-and-subcortical-brain-volumes-results-of-the-enigma-plasticity-working-group
#20
Rachel M Brouwer, Matthew S Panizzon, David C Glahn, Derrek P Hibar, Xue Hua, Neda Jahanshad, Lucija Abramovic, Greig I de Zubicaray, Carol E Franz, Narelle K Hansell, Ian B Hickie, Marinka M G Koenis, Nicholas G Martin, Karen A Mather, Katie L McMahon, Hugo G Schnack, Lachlan T Strike, Suzanne C Swagerman, Anbupalam Thalamuthu, Wei Wen, John H Gilmore, Nitin Gogtay, René S Kahn, Perminder S Sachdev, Margaret J Wright, Dorret I Boomsma, William S Kremen, Paul M Thompson, Hilleke E Hulshoff Pol
Structural brain changes that occur during development and ageing are related to mental health and general cognitive functioning. Individuals differ in the extent to which their brain volumes change over time, but whether these differences can be attributed to differences in their genotypes has not been widely studied. Here we estimate heritability (h(2) ) of changes in global and subcortical brain volumes in five longitudinal twin cohorts from across the world and in different stages of the lifespan (N = 861)...
September 2017: Human Brain Mapping
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