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https://www.readbyqxmd.com/read/28928997/neurosyphilis-with-concomitant-cryptococcal-and-tuberculous-meningitis-in-a-patient-with-aids-report-of-a-unique-case
#1
Jose Armando Gonzales Zamora, Luis Alberto Espinoza, Rita N Nwanyanwu
Meningitis in individuals living with acquired immunodeficiency syndrome (AIDS) is most frequently infectious in origin and usually due to opportunistic infections. The most common pathogens are Cryptococcus neoformans and Mycobacterium tuberculosis. Treponema pallidum causes neurosyphilis and can complicate HIV infections at any time after the initial infection. Simultaneous infections of the central nervous system caused by these pathogens are very uncommon even in the setting of severe immunosuppression...
2017: Case Reports in Infectious Diseases
https://www.readbyqxmd.com/read/28905269/differences-in-neural-response-to-romantic-stimuli-in-monogamous-and-non-monogamous-men
#2
Lisa Dawn Hamilton, Cindy M Meston
In non-human animal research, studies comparing socially monogamous and promiscuous species of voles (Microtus) have identified some key neural differences related to monogamy and non-monogamy. Specifically, densities of the vasopressin V1a receptor and dopamine D2 receptors in subcortical reward-related and limbic areas of the brain have been linked to monogamous behavior in prairie voles (Microtus ochrogaster). Similar brain areas have been shown to be correlated with feelings of romantic love in monogamously pair-bonded humans...
September 13, 2017: Archives of Sexual Behavior
https://www.readbyqxmd.com/read/28894291/neural-predictors-of-12-month-weight-loss-outcomes-following-bariatric-surgery
#3
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/28889773/sensitivity-of-npcr-for-four-types-of-membrane-protein-dna-and-of-two-pairs-of-primers-for-tpp47-dna-of-treponema-pallidum-in-whole-blood-of-congenital-syphilis-newborns
#4
Yafei Guan, Rong Ding, Yequn Zhou, Xiaoqin Chen, Xiaolin Miao, Ye Zhang, Dan Luo, Shudong Cui
BACKGROUND: Problems exist in congenital syphilis (CS) diagnosis and no single test can be used to diagnose CS. OBJECTIVE: To know whether there exit differences of nPCR sensitivity among four membrane protein DNA and of nPCR between two pairs of primers for Tpp47. METHODS: We collected 30 CS patients as study group, and 20 cases admitted to hospital for other reasons as control group. The blood samples from newborns were left of blood for other examination, not special for the study...
September 10, 2017: Journal of Maternal-fetal & Neonatal Medicine
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
#5
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/28878003/evaluation-of-the-lumipulse%C3%A2-g-tp-n-chemiluminescent-immunoassay-as-a-syphilis-screening-test
#6
Daniel A Ortiz, Michael J Loeffelholz
A syphilis diagnosis is often aided by the detection of treponemal and non-treponemal antibodies. Automated treponemal antibody detection systems enable high-volume clinical laboratories to perform syphilis screening at a faster pace with lower labor costs. The Lumipulse G TP-N chemiluminescent immunoassay is an automated system that qualitatively detects IgG and IgM antibodies against Treponema pallidum antigens in human serum and plasma. To assess performance characteristics and workflow efficiency, the Lumipulse G TP-N assay was compared to the Bioplex 2200 Syphilis IgG multiplex flow immunoassay...
September 6, 2017: Journal of Clinical Microbiology
https://www.readbyqxmd.com/read/28876421/secondary-syphilis-the-great-imitator-can-t-be-forgotten
#7
Clarissa Prieto Herman Reinehr, Célia Luiza Petersen Vitello Kalil, Vinícius Prieto Herman Reinehr
Syphilis is an infection caused by Treponema pallidum, mainly transmitted by sexual contact. Since 2001, primary and secondary syphilis rates started to rise, with an epidemic resurgence. The authors describe an exuberant case of secondary syphilis, presenting with annular and lichen planus-like lesions, as well as one mucocutaneous lesion. Physicians must be aware of syphilis in daily practice, since the vast spectrum of its cutaneous manifestations is rising worldwide.
June 2017: Revista da Associação Médica Brasileira
https://www.readbyqxmd.com/read/28876292/cerebral-syphilitic-gumma-can-arise-within-months-of-reinfection-a-case-of-histologically-proven-treponema-pallidum-strain-type-14b-f-infection-with-human-immunodeficiency-virus-positivity
#8
Yusuke Koizumi, Takeya Watabe, Yasunori Ota, Shu-Ichi Nakayama, Nobuhiro Asai, Mao Hagihara, Yuka Yamagishi, Hiroyuki Suematsu, Toyonori Tsuzuki, Masakazu Takayasu, Makoto Ohnishi, Hiroshige Mikamo
A 44-year-old man with human immunodeficiency virus positivity developed cerebral gumma 6 months after appropriate therapy for secondary syphilis. It was surgically resected and histologically, Treponema pallidum (14b/f, a relatively rare strain type) was proven. A complete set of modern techniques was performed to depict rare complication of this classic disease.
August 21, 2017: Sexually Transmitted Diseases
https://www.readbyqxmd.com/read/28875956/seroepidemiology-of-syphilis-infection-among-2-million-reproductive-age-women-in-rural-china-a-population-based-cross-sectional-study
#9
Kai-Ju Liao, Shi-Kun Zhang, Min Liu, Qiao-Mei Wang, Jue Liu, Hai-Ping Shen, Yi-Ping Zhang
Background: Quantifying syphilis prevalence is important for planning interventions and advocating for resources on syphilis. However, data on large sample studies regarding the prevalence of syphilis among reproductive-age women in rural China were not available for analysis. The aim of the study was to determine the prevalence, epidemiological characteristics, and related factors of syphilis infection among reproductive-age women in rural China. Methods: Data were obtained from a nationwide, population-based, cross-sectional study under the National Free Preconception Health Examination Project which covered all the 31 provinces in Mainland China...
September 20, 2017: Chinese Medical Journal
https://www.readbyqxmd.com/read/28870407/striatal-dopamine-d2-3-receptor-mediated-neurotransmission-in-major-depression-implications-for-anhedonia-anxiety-and-treatment-response
#10
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/28869526/modulation-of-immunogenicity-and-conformation-of-ha1-subunit-of-influenza-a-virus-h1-n1-hemagglutinin-in-tubular-immunostimulating-complexes
#11
Nina Sanina, Ludmila Davydova, Natalia Chopenko, Eduard Kostetsky, Valery Shnyrov
The HA1 subunit of the influenza virus hemagglutinin (HA) is a valuable antigen for the development of vaccines against flu due to the availability of most antigenic sites which are conformational. Therefore, a novel adjuvanted antigen delivery system, tubular immunostimulating complexes (TI-complexes) comprising monogalactosyldiacylglycerol (MGDG) from different marine macrophytes as a lipid matrix for an antigen, was applied to enhance the immunogenicity of recombinant HA1 of influenza A H1N1 and to study the relation between its immunogenicity and conformation...
September 3, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28859906/a-systematic-linguistic-profile-of-spontaneous-narrative-speech-in-pre-symptomatic-and-early-stage-huntington-s-disease
#12
Wolfram Hinzen, Joana Rosselló, Cati Morey, Estela Camara, Clara Garcia-Gorro, Raymond Salvador, Ruth de Diego-Balaguer
Cognitive decline accompanying the clinically more salient motor symptoms of Huntington's disease (HD) has been widely noted and can precede motor symptoms onset. Less clear is how such decline bears on language functions in everyday life, though a small number of experimental studies have revealed difficulties with the application of rule-based aspects of language in early stages of the disease. Here we aimed to determine whether there is a systematic linguistic profile that characterizes spontaneous narrative speech in both pre-manifest and/or early manifest HD, and how it is related to striatal degeneration and neuropsychological profiles...
August 9, 2017: Cortex; a Journal Devoted to the Study of the Nervous System and Behavior
https://www.readbyqxmd.com/read/28855625/serological-response-predicts-normalization-of-cerebrospinal-fluid-abnormalities-at-six-months-after-treatment-in-hiv-negative-neurosyphilis-patients
#13
Yao Xiao, Man-Li Tong, Li-Rong Lin, Li-Li Liu, Kun Gao, Mei-Jun Chen, Hui-Lin Zhang, Wei-Hong Zheng, Shu-Lian Li, Hui-Ling Lin, Zhi-Feng Lin, Tian-Ci Yang, Jian-Jun Niu
This study aimed to determine whether a serological response could predict the normalization of cerebrospinal fluid (CSF) abnormalities at 6 months after treatment in human immunodeficiency virus (HIV)-negative neurosyphilis patients. A total of 123 neurosyphilis patients were recruited at baseline, 58 of these patients undergoing treatment, repeated CSF examinations and serological tests for syphilis at 6 months after treatment were included in the follow-up study. Before treatment, the CSF rapid plasma reagin (RPR) titer, CSF Treponema pallidum particle agglutination (TPPA) titer, CSF leukocyte count, and CSF protein concentration were correlated with both serum RPR and TPPA titers...
August 30, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28845266/a15%C3%A2-rapid-radiation-of-treponema-pallidum-pertenue-in-wild-non-human-primates
#14
A Düx, V J Schuenemann, J F Gogarten, H M De Nys, K Nieselt, M A Mayhew, F H Leendertz, S Calvignac-Spencer, J Krause
No abstract text is available yet for this article.
March 2017: Virus Evolution
https://www.readbyqxmd.com/read/28844341/comparing-three-treponemal-tests-for-syphilis-screening
#15
Sean A Buono, Hilary A Godwin, Nicole M Green
We compared the performance and ease of use for three high-throughput treponemal immunoassays: Phoenix Biotech Trep-Sure Total Antibody EIA, Siemens ADVIA® Centaur Syphilis Assay, and DiaSorin LIAISON® Treponema Assay. One thousand serum samples submitted for routine screening were used in this study. Each assay demonstrated comparable sensitivity, specificity, and percent agreement (98-100%) compared with Treponema pallidum particle agglutination (TP-PA). Thus, treponemal immunoassays are an acceptable alternative for syphilis screening or confirmatory testing...
July 26, 2017: Diagnostic Microbiology and Infectious Disease
https://www.readbyqxmd.com/read/28842664/evaluation-of-the-elecsys-syphilis-immunoassay-for-routine-screening-of-serum-samples-in-china
#16
Chuanmin Tao, Xiaoke Hao, Wei Xu, Jie Zhang, Shiyang Pan, Zhihua Tao, Xiaofei Li, Junmei Chen, Bingchang Zhang, Yurong Qiu, Yanan Wu, Qishui Ou, Xianzhang Huang, Lanlan Wang
We compared the performance of the Roche Diagnostics Elecsys immunoassay for the detection of Treponema pallidum specific antibodies in patient serum samples with that of the Abbott Laboratories Architect chemiluminescent microparticle immunoassay and the InTec and KHB enzyme-linked immunosorbent assays, which are commonly used in China. We tested 13,767 serum samples collected from 13 independent laboratories throughout China, which included samples from 999 previously confirmed syphilis cases and 158 'borderline' samples previously identified using the Architect, InTec, and KHB tests...
August 25, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28840989/comparison-of-traditional-and-reverse-syphilis-screening-algorithms-in-medical-health-checkups
#17
Eun Hee Nah, Seon Cho, Suyoung Kim, Han Ik Cho, Jong Yil Chai
BACKGROUND: The syphilis diagnostic algorithms applied in different countries vary significantly depending on the local syphilis epidemiology and other considerations, including the expected workload, the need for automation in the laboratory and budget factors. This study was performed to investigate the efficacy of traditional and reverse syphilis diagnostic algorithms during general health checkups. METHODS: In total, 1,000 blood specimens were obtained from 908 men and 92 women during their regular health checkups...
November 2017: Annals of Laboratory Medicine
https://www.readbyqxmd.com/read/28837003/a-national-strategic-plan-for-reducing-the-burden-of-sexually-transmitted-infections-in-israel-by-the-year-2025
#18
Daniel Chemtob, Dan Gandacu, Zohar Mor, Itamar Grotto, Emilia Anis, Elliot Rosenberg
BACKGROUND: There is on ongoing debate in the literature regarding the real burden of STIs (sexually transmitted infections) in Western countries and the proper strategies needed to estimate and to prevent them. Our purpose is to present an evidence-based national strategic plan for STI prevention in Israel through assessing the current burden of illness, leading international preventive strategies, and practical policymaking experience. METHODS: Epidemiologic and health policy data on STIs were analyzed from various sources: a) systematic national surveillance data for the years 2002-2014; b) the international scientific literature (published between 2002-16; keywords: Sexually Transmitted Diseases (STD) (or STI) AND prevention AND intervention AND gonorrhea OR chlamydia OR syphilis; c) internal Ministry of Health (MOH) analyses and reports, and d) expert opinion...
April 19, 2017: Israel Journal of Health Policy Research
https://www.readbyqxmd.com/read/28830309/aberrant-thalamocortical-connectivity-in-juvenile-myoclonic-epilepsy
#19
S Jiang, C Luo, J Gong, R Peng, S Ma, S Tan, G Ye, L Dong, D Yao
The purpose of this study was to investigate the functional connectivity (FC) of thalamic subdivisions in patients with juvenile myoclonic epilepsy (JME). Resting state functional magnetic resonance imaging (fMRI) and diffusion tensor imaging (DTI) data were acquired from 22 JME and 25 healthy controls. We first divided the thalamus into eight subdivisions by performing independent component analysis on tracking fibers and clustering thalamus-related FC maps. We then analyzed abnormal FC in each subdivision in JME compared with healthy controls, and we investigated their associations with clinical features...
June 13, 2017: International Journal of Neural Systems
https://www.readbyqxmd.com/read/28821219/early-congenital-syphilis-recognising-symptoms-of-an-increasingly-prevalent-disease
#20
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
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