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https://www.readbyqxmd.com/read/28338081/a-distinct-bacterial-dysbiosis-associated-skin-inflammation-in-ovine-footrot
#1
Grazieli Maboni, Adam Blanchard, Sara Frosth, Ceri Stewart, Richard Emes, Sabine Tötemeyer
Ovine footrot is a highly prevalent bacterial disease caused by Dichelobacter nodosus and characterised by the separation of the hoof horn from the underlying skin. The role of innate immune molecules and other bacterial communities in the development of footrot lesions remains unclear. This study shows a significant association between the high expression of IL1β and high D. nodosus load in footrot samples. Investigation of the microbial population identified distinct bacterial populations in the different disease stages and also depending on the level of inflammation...
March 24, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28331333/the-risk-reduction-of-recurrent-periodontal-pathogens-of-local-application-minocycline-hcl-2-gel-used-as-an-adjunct-to-scaling-and-root-planing-for-chronic-periodontitis-treatment
#2
Y Soeroso, T Akase, H Sunarto, Y Kemal, R Salim, M Octavia, A Viandita, J Setiawan, B M Bachtiar
BACKGROUND: The aim of this study was to evaluate the clinical and microbiological effects of local application minocycline HCl 2% gel, used as an adjunct to scaling and root planing (SRP) for treatment of chronic periodontitis (CP). CP is an inflammation of periodontal tissue that is caused mainly by bacterial infection, where periodontal destruction such as loss of attachment and bone destruction occurred. METHODS: A total of 81 subjects with moderate to severe periodontitis whose baseline clinical attachment loss (CAL) was ≥4 mm were randomly assigned to receive SRP alone (control group, N=39) or SRP followed by four times of local application of minocycline HCl gel (Periocline) once a week (test group, N=42)...
2017: Therapeutics and Clinical Risk Management
https://www.readbyqxmd.com/read/28327165/effect-of-cigarette-smoking-on-subgingival-bacteria-in-healthy-subjects-and-patients-with-chronic-periodontitis
#3
Jumana A Karasneh, Rola A Al Habashneh, Nour Aldain S Marzouka, Martin H Thornhill
BACKGROUND: Cigarette smoking is known to increase the risk of periodontal destruction and developing chronic periodontitis (CP). It is also reported to affect the subgingival bacterial profile among CP patients. However, studies on the effect of smoking on the bacterial profile among healthy subjects are still limited. Therefore, the aim of this study was to investigate the impact of smoking on the subgingival bacterial profile in both healthy adults and CP patients. METHODS: Subgingival plaque samples were collected from CP patients (30 nonsmokers and 9 smokers) and healthy subjects (37 non-smokers and 18 smokers)...
March 21, 2017: BMC Oral Health
https://www.readbyqxmd.com/read/28325127/reproducibility-of-a-commercially-available-subgingival-plaque-sampling-strategy-and-analysis-strategy-with-oligonucleotide-probes
#4
Bernadette Pretzl, Jule Paul, Diana M Krigar, Lorenz Uhlmann, Peter Eickholz, Bettina Dannewitz
OBJECTIVES: The aim was to evaluate the intra-test agreement of pooled samples from the deepest periodontal pocket of each quadrant with a commercially available test kit based on hybridization of 16S rRNA. MATERIAL AND METHODS: Plaque samples of 50 patients with generalized severe chronic periodontitis before therapy were pooled in two separate vials in order to detect and compare counts of Aggregatibacter actinomycetemcomitans, Porphyromonas gingivalis, Tannerella forsythia, and Treponema denticola...
March 22, 2017: Acta Odontologica Scandinavica
https://www.readbyqxmd.com/read/28321995/clinical-and-microbiological-efficacy-of-4-garcinia-mangostana-l-pericarp-gel-as-local-drug-delivery-in-the-treatment-of-chronic-periodontitis-a-randomized-controlled-clinical-trial
#5
Jaideep Mahendra, Little Mahendra, Priyadharshini Svedha, Sandhya Cherukuri, Georgios E Romanos
AIM: The aim of the present study was to assess the periodontal status of individuals and the presence of red complex microorganisms (RCM), such as Treponema denticola (Td), Porphyromonas gingivalis, and Tannerella forsythia in the subgingival tissues of periodontitis patients before and after the application of 4% mangostana gel (Garcinia mangostana [MGA]) as an adjunct to scaling and root planing (SRP). METHODS: Twenty-five patients (MGA group) were treated with SRP, and the subgingival application of mangostana gel was used as local drug delivery...
March 20, 2017: Journal of Investigative and Clinical Dentistry
https://www.readbyqxmd.com/read/28296262/the-c-terminal-region-of-the-major-outer-sheath-protein-msp-of-treponema-denticola-inhibits-neutrophil-chemotaxis
#6
Megan M Jones, Stephen T Vanyo, Michelle B Visser
Treponema denticola is an oral spirochete strongly associated with severe periodontal disease. A prominent virulence factor, the major outer sheath protein (Msp), disorients neutrophil chemotaxis by altering the cellular phosphoinositide balance, leading to impairment of downstream chemotactic events including actin rearrangement, Rac1 activation and Akt activation in response to chemoattractant stimulation. The specific regions of Msp responsible for interactions with neutrophils remain unknown. In this study, we investigated the inhibitory effect of truncated Msp regions on neutrophil chemotaxis and associated signaling pathways...
March 13, 2017: Molecular Oral Microbiology
https://www.readbyqxmd.com/read/28294067/the-infectious-etiology-of-alzheimer-s-disease
#7
Marta Sochocka, Katarzyna Zwolińska, Jerzy Leszek
Inflammation is a part of the first line of defense of the body against invasive pathogens, and plays a crucial role in tissue regeneration and repair. A proper inflammatory response ensures the suitable resolution of inflammation and elimination of harmful stimuli, but when the inflammatory reactions are inappropriate it can lead to damage of the surrounding normal cells. The relationship between infections and Alzheimer's Disease (AD) etiology, especially late-onset AD (LOAD) has been continuously debated over the past three decades...
March 13, 2017: Current Neuropharmacology
https://www.readbyqxmd.com/read/28291970/neurodevelopmental-versus-neurodegenerative-model-of-schizophrenia-and-bipolar-disorder-comparison-with-physiological-brain-development-and-aging
#8
Massimiliano Buoli, Marta Serati, Alice Caldiroli, Laura Cremaschi, Alfredo Carlo Altamura
Available data support a contribution of both neurodevelopmental and neurodegenerative factors in the etiology of schizophrenia (SCH) and bipolar disorder (BD). Of note, one of the most important issue of the current psychiatric research is to identify the specific factors that contribute to impaired brain development and neurodegeneration in SCH and BD, and especially how these factors alter normal brain development and physiological aging process. Our hypothesis is that only specific damages, taking place in precise brain development stages, are associated with future SCH /BD onset and that neurodegeneration consists of an acceleration of brain aging after SCH /BD onset...
March 2017: Psychiatria Danubina
https://www.readbyqxmd.com/read/28291299/-neurosyphilis-in-psychiatric-settings-three-case-reports
#9
Erhan Akıncı, Fatih Öncü, Barış Topçular
Syphilis is a generally sexually transmitted and multisystem disease caused by the spirochete Treponema pallidum. All of the organs of the body may be involved during the course of the disease. Neurosyphilis is a clinical form of syphilis with the central nervous system (CNS) involvement. While primarily meningeal and vascular structures are involved in early neurosyphilis, a parenchymal affection of the brain and spinal cord emerges at later stages of neurosyphilis. It presents with symptoms of meningitis, meningovasculitis and parenchymal neurosyphilis (presenting as tabes dorsalis and general paresis)...
2017: Türk Psikiyatri Dergisi, Turkish Journal of Psychiatry
https://www.readbyqxmd.com/read/28286342/bringing-treponema-into-the-spotlight
#10
Isobel Everall, Leonor Sánchez-Busó
No abstract text is available yet for this article.
March 13, 2017: Nature Reviews. Microbiology
https://www.readbyqxmd.com/read/28282646/point-of-care-sexually-transmitted-infection-diagnostics-proceedings-of-the-star-sexually-transmitted-infection-clinical-trial-group-programmatic-meeting
#11
Anthony D Cristillo, Claire C Bristow, Rosanna Peeling, Barbara Van Der Pol, Sasha Herbst de Cortina, Ivan K Dimov, Nitika Pant Pai, Dong Jin Shin, Ricky Y T Chiu, Catherine Klapperich, Purnima Madhivanan, Sheldon R Morris, Jeffrey D Klausner
The goal of the point-of-care (POC) sexually transmitted infection (STI) Diagnostics meeting was to review the state-of-the-art research and develop recommendations for the use of POC STI diagnostics. Experts from academia, government, nonprofit, and industry discussed POC diagnostics for STIs such as Chlamydia trachomatis, human papillomavirus, Neisseria gonorrhoeae, Trichomonas vaginalis, and Treponema pallidum. Key objectives included a review of current and emerging technologies, clinical and public health benefits, POC STI diagnostics in developing countries, regulatory considerations, and future areas of development...
April 2017: Sexually Transmitted Diseases
https://www.readbyqxmd.com/read/28282487/establishment-of-multiplex-solid-phase-strip-pcr-test-for-detection-of-24-ocular-infectious-disease-pathogens
#12
Satoko Nakano, Sunao Sugita, Yasuhiro Tomaru, Ayumi Hono, Takako Nakamuro, Toshiaki Kubota, Hiroshi Takase, Manabu Mochizuki, Masayo Takahashi, Norio Shimizu
Purpose: To establish and evaluate a new multiplex solid-phase strip polymerase chain reaction (strip PCR) for concurrent detection of common ocular infectious disease pathogens. Methods: A new multiplex strip PCR was established to detect 24 common ocular infectious disease pathogens: herpes simplex virus (HSV) 1, HSV2, varicella-zoster virus (VZV), Epstein-Barr virus (EBV), cytomegalovirus (CMV), human herpes virus (HHV) 6, HHV7, HHV8, human T-cell lymphotropic virus (HTLV)-1, adenovirus, Mycobacterium tuberculosis, Treponema pallidum, Propionibacterium acnes (P...
March 1, 2017: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/28274501/microbiological-and-ammp-8-findings-depending-on-peri-implant-disease-in-patients-undergoing-supportive-implant-therapy
#13
Dirk Ziebolz, Gerhard Schmalz, Daniel Gollasch, Peter Eickholz, Sven Rinke
The aim of this study was to evaluate microbiological findings and aMMP-8 level of peri-implant mucositis (M) and peri-implantitis (P) in patients undergoing supportive implant therapy (SIT). Eighty-nine patients with 171 implants were included. The case definitions were as follows: M: PPD ≥4mm, BOP; P: PPD≥4mm, BOP, radiographic bone loss ≥3.5mm. Samples of peri-implant sulcular fluid (PISF) were taken from all peri-implant pockets at each implant to detect periodontal pathogens using PCR and aMMP-8 level with ELISA...
February 21, 2017: Diagnostic Microbiology and Infectious Disease
https://www.readbyqxmd.com/read/28266263/case-report-of-three-consecutive-lues-maligna-infections-in-an-hiv-infected-patient
#14
Stefanie Sammet, Rika Draenert
Lues maligna is a rare presentation of an infection with Treponema pallidum. Here we report three lues maligna infections with severe dermatological manifestations in a single HIV-1 infected individual. Despite the start of highly active antiretroviral therapy and a substantial increase in CD4 cell count after the first episode, he developed consecutive episodes. We assume a specific immunological predisposition to react to T. pallidum in this patient.
April 2017: International Journal of STD & AIDS
https://www.readbyqxmd.com/read/28263990/human-treponema-pallidum-11q-j-isolate-belongs-to-subsp-endemicum-but-contains-two-loci-with-a-sequence-in-tp0548-and-tp0488-similar-to-subsp-pertenue-and-subsp-pallidum-respectively
#15
Lenka Mikalová, Michal Strouhal, Jan Oppelt, Philippe Alain Grange, Michel Janier, Nadjet Benhaddou, Nicolas Dupin, David Šmajs
BACKGROUND: Treponema pallidum subsp. endemicum (TEN) is the causative agent of endemic syphilis (bejel). An unusual human TEN 11q/j isolate was obtained from a syphilis-like primary genital lesion from a patient that returned to France from Pakistan. METHODOLOGY/PRINCIPAL FINDINGS: The TEN 11q/j isolate was characterized using nested PCR followed by Sanger sequencing and/or direct Illumina sequencing. Altogether, 44 chromosomal regions were analyzed. Overall, the 11q/j isolate clustered with TEN strains Bosnia A and Iraq B as expected from previous TEN classification of the 11q/j isolate...
March 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/28256292/evaluation-of-the-automated-advia-centaur%C3%A2-xp-syphilis-assay-for-serological-testing
#16
Sharon Saw, Huiqin Zhao, Phyllis Tan, Betty Saw, Sunil Sethi
We evaluated the performance of the ADVIA Centaur XP Syphilis assay (Siemens Healthcare Diagnostics, Tarrytown, NY, USA) using samples previously tested on the ARCHITECT i4000SR system (Abbott Diagnostics, Lake Forest, IL, USA) and confirmed by the Treponema pallidum particle agglutination assay (TPPA) (SERODIA-TPPA, Fujirebio Diagnostics Inc., Malvern, PA, USA). Clinical patient information was included to aid resolution of discordant samples where available. Precision, interference, and cross-reactivity were also assessed...
February 20, 2017: Diagnostic Microbiology and Infectious Disease
https://www.readbyqxmd.com/read/28245406/-analysis-of-the-detection-results-of-the-syphilis-specific-antibody-in-blood-donors-by-chemiluminescence-method-and-enzyme-linked-immunosorbent-assay
#17
Shou-Shan Men, Fa-Kui Shang, Chun-Hua Han, Jin-Xiang Song, Jing-Yin Han
OBJECTIVE: To investigate the application value of chemiluminescence method (CMIA) detection of Treponema pallidum (TP) specific antibodies in the blood test. METHODS: Over the same period the de novo enzyme linked immunosorbent assay (ELISA) and Abbott chemical luminescence method were used to detect the specific antibody of syphilis in a total of 66298 samples; TP-ELISA negative and TP-CMIA positive unpaid blood donation blood samples for syphilis specific antibody were detected and confirmed by Western blot...
February 2017: Zhongguo Shi Yan Xue Ye Xue za Zhi
https://www.readbyqxmd.com/read/28240240/a-randomised-clinical-study-to-determine-the-effect-of-a-toothpaste-containing-enzymes-and-proteins-on-plaque-oral-microbiome-ecology
#18
S E Adams, D Arnold, B Murphy, P Carroll, A K Green, A M Smith, P D Marsh, T Chen, R E Marriott, M G Brading
The numerous species that make up the oral microbiome are now understood to play a key role in establishment and maintenance of oral health. The ability to taxonomically identify community members at the species level is important to elucidating its diversity and association to health and disease. We report the overall ecological effects of using a toothpaste containing enzymes and proteins compared to a control toothpaste on the plaque microbiome. The results reported here demonstrate that a toothpaste containing enzymes and proteins can augment natural salivary defences to promote an overall community shift resulting in an increase in bacteria associated with gum health and a concomitant decrease in those associated with periodontal disease...
February 27, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28222792/seroprevalence-of-hepatitis-b-hepatitis-c-human-immunodeficiency-virus-treponema-pallidum-and-co-infections-among-blood-donors-in-kyrgyzstan-a-retrospective-analysis-2013-2015
#19
Bakyt B Karabaev, Nurgul J Beisheeva, Aiganysh B Satybaldieva, Aikul D Ismailova, Frank Pessler, Manas K Akmatov
BACKGROUND: Post-Soviet Kyrgyzstan has experienced a major surge in blood-borne infections, but data from adequately powered, up-to-date studies are lacking. We thus examined a) the seroprevalences of hepatitis B virus surface antigen (HBsAg), HIV-1 p24 antigen and antibodies against hepatitis C virus (anti-HCV), human immunodeficiency viruses (anti-HIV-1/2, HIV-1 group O), and Treponema pallidum among blood donors in Kyrgyzstan and assess their distribution according to sex, age, and provinces of residence; b) trends in the respective seroprevalences; and c) co-infection rates among the pathogens studied...
February 21, 2017: Infectious Diseases of Poverty
https://www.readbyqxmd.com/read/28220718/the-big-imitator-strikes-again-a-case-report-of-neurosyphilis-in-a-patient-with-newly-diagnosed-hiv
#20
Sévérine de Bruijn, Chris Kenyon, Nicolas Léonard, Erika Vlieghe
BACKGROUND: Neurosyphilis is the result of an infection of the central nervous system caused by the spirochete Treponema pallidum. Its clinical presentation includes meningovascular syphilis, tabes dorsalis, and dementia paralytica, resulting in a wide range of symptoms such as psychosis, Parkinsonism, and depression. CASE REPORT: A 49-year-old male was admitted to a psychiatric hospital because of social withdrawal and self-neglect, indicative of a major depression...
February 21, 2017: Acta Clinica Belgica
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