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https://www.readbyqxmd.com/read/29790305/lyme-disease-associated-igg4-autoantibodies-correlate-with-synovial-pathology-in-antibiotic-refractory-lyme-arthritis
#1
Katherine B Sulka, Klemen Strle, Jameson T Crowley, Robert B Lochhead, Robert Anthony, Allen C Steere
OBJECTIVE: To determine whether IgG subclasses of B. burgdorferi antibodies differ from those of 3 Lyme disease (LD)-associated autoantibodies. METHODS: The IgG antibody subclasses were determined by ELISA in serum samples from 215 patients representative of each of the 3 stages of Lyme disease. Antibody and cytokine profiles were measured in matched serum and synovial fluid (SF) samples from Lyme arthritis patients. Synovial tissue from patients with antibiotic-refractory arthritis was examined for histologic features, IgG subclasses of plasma cells, and mRNA subclass expression...
May 23, 2018: Arthritis & Rheumatology
https://www.readbyqxmd.com/read/29789953/update-on-tick-borne-bacterial-diseases-in-travelers
#2
REVIEW
Carole Eldin, Philippe Parola
PURPOSE OF REVIEW: Ticks are the second most important vectors of infectious diseases after mosquitoes worldwide. The growth of international tourism including in rural and remote places increasingly exposes travelers to tick bite. Our aim was to review the main tick-borne infectious diseases reported in travelers in the past 5 years. RECENT FINDINGS: In recent years, tick-borne bacterial diseases have emerged in travelers including spotted fever group (SFG) rickettsioses, borrelioses, and diseases caused by bacteria of the Anaplasmataceae family...
May 22, 2018: Current Infectious Disease Reports
https://www.readbyqxmd.com/read/29789489/reconciling-the-entomological-hazard-and-disease-risk-in-the-lyme-disease-system
#3
Max McClure, Maria Diuk-Wasser
Lyme disease (LD) is a commonly cited model for the link between habitat loss and/or fragmentation and disease emergence, based in part on studies showing that forest patch size is negatively related to LD entomological risk. An equivalent relationship has not, however, been shown between patch size and LD incidence (LDI). Because entomological risk is measured at the patch scale, while LDI is generally assessed in relation to aggregate landscape statistics such as forest cover, we posit that the contribution of individual patches to human LD risk has not yet been directly evaluated...
May 22, 2018: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/29789287/lyme-carditis-and-atrioventricular-block
#4
Douglas Wan, Adrian Baranchuk
No abstract text is available yet for this article.
May 22, 2018: CMAJ: Canadian Medical Association Journal, Journal de L'Association Medicale Canadienne
https://www.readbyqxmd.com/read/29788994/tick-abundance-pathogen-prevalence-and-disease-incidence-in-two-contrasting-regions-at-the-northern-distribution-range-of-europe
#5
Atle Mysterud, Vetle Malmer Stigum, Ingrid Vikingsdal Seland, Anders Herland, W Ryan Easterday, Solveig Jore, Olav Østerås, Hildegunn Viljugrein
BACKGROUND: Emergence of tick-borne diseases is impacting humans and livestock across the Northern Hemisphere. There are, however, large regional variations in number of cases of tick-borne diseases. Some areas have surprisingly few cases of disease compared to other regions. The aim here is to provide a first step towards a better understanding of such contrasting regional patterns of disease emergences at the northern distribution range of Ixodes ricinus in Europe. METHODS: We compare disease incidence, vector abundance and pathogen prevalence in eastern and western Norway differing in the number of tick-borne disease cases...
May 22, 2018: Parasites & Vectors
https://www.readbyqxmd.com/read/29776377/shifts-in-borrelia-burgdorferi-s-l-geno-species-infections-in-ixodes-ricinus-over-a-10-year-surveillance-period-in-the-city-of-hanover-germany-and-borrelia-miyamotoi-specific-reverse-line-blot-detection
#6
Katrin Blazejak, Marie-Kristin Raulf, Elisabeth Janecek, Daniela Jordan, Volker Fingerle, Christina Strube
BACKGROUND: Lyme borreliosis caused by spirochetes of the Borrelia burgdorferi (sensu lato) complex is still the most common tick-borne disease in Europe, posing a considerable threat to public health. The predominant vector in Europe is the widespread hard tick Ixodes ricinus, which also transmits the relapsing fever spirochete B. miyamotoi as well as pathogenic Rickettsiales (Anaplasma phagocytophilum, Rickettsia spp.). To assess the public health risk, a long-term monitoring of tick infection rates with the named pathogens is indispensable...
May 18, 2018: Parasites & Vectors
https://www.readbyqxmd.com/read/29774138/clinical-evaluation-of-morgellons-disease-in-a-cohort-of-north-american-patients
#7
Melissa C Fesler, Marianne J Middelveen, Raphael B Stricker
Morgellons disease (MD) is a dermatological condition characterized by aberrant production of keratin and collagen fibers in skin. Although infection with Borrelia burgdorferi , the causative agent of Lyme disease (LD), has been associated with MD, relatively few studies have hitherto provided epidemiological evidence regarding this association. A cohort of 1000 seropositive North American LD patients was evaluated for the presence of MD. Patients were diagnosed with MD based on detection of microscopic fibers in skin lesions or under unbroken skin...
April 23, 2018: Dermatology Reports
https://www.readbyqxmd.com/read/29771396/lyme-arthritis-of-the-pediatric-elbow-a-case-series
#8
David Gendelberg, William L Hennrikus
Most patients with untreated Lyme disease will experience joint symptoms. Owing to their resemblance in clinical presentation, Lyme arthritis and septic arthritis are often difficult to differentiate. However, their treatment is different. The elbow is rarely the first joint to present with symptoms. Therefore, Lyme disease is not commonly included in the differential diagnosis for children presenting with isolated elbow pain. The authors report 4 cases of monoarticular Lyme arthritis presenting in the elbow...
May 16, 2018: Orthopedics
https://www.readbyqxmd.com/read/29770048/synopsis-lyme-disease-in-canada-a-federal-framework
#9
(no author information available yet)
The Federal Framework on Lyme Disease Act required the federal government to develop a Federal Framework on Lyme Disease. To do this, the Public Health Agency of Canada held a conference with a wide variety of stakeholders who shared their experiences with Lyme disease, and discussed current knowledge and research. A draft version of the Framework was publicly posted on Canada.ca for a 30-day public consultation period. The final report, Lyme Disease in Canada: A Federal Framework was released in May 2017. The Framework includes the three pillars of surveillance; education and awareness; and guidelines and best practices...
October 5, 2017: Canada Communicable Disease Report, Relevé des Maladies Transmissibles Au Canada
https://www.readbyqxmd.com/read/29770047/emerging-infectious-diseases-prediction-and-detection
#10
N H Ogden, P AbdelMalik, Jrc Pulliam
Emerging infectious diseases (EIDs), including West Nile virus, severe acute respiratory syndrome (SARS) and Lyme disease, have had a direct effect within Canada, while many more EIDs such as Zika, chikungunya and Ebola are a threat to Canadians while travelling. Over 75% of EIDs affecting humans are, or were originally, zoonoses (infectious diseases transmitted from animals to humans). There are two main ways by which infectious diseases can emerge: by changes in their geographical ranges and by adaptive emergence, a genetic change in a microorganism that results in it becoming capable of invading a new niche, often by jumping to a new host species such as humans...
October 5, 2017: Canada Communicable Disease Report, Relevé des Maladies Transmissibles Au Canada
https://www.readbyqxmd.com/read/29770045/surveillance-for-lyme-disease-in-canada-2009-2015
#11
S Gasmi, N H Ogden, L R Lindsay, S Burns, S Fleming, J Badcock, S Hanan, C Gaulin, M A Leblanc, C Russell, M Nelder, L Hobbs, S Graham-Derham, L Lachance, A N Scott, E Galanis, J K Koffi
Objective: To summarize seven years of surveillance data for Lyme disease cases reported in Canada from 2009 to 2015. Methods: We describe the incidence over time, seasonal and geographic distribution, demographic and clinical characteristics of reported Lyme disease cases. Logistic regression was used to explore differences between age groups, sex and year to better understand potential demographic risk factors for the occurrence of Lyme disease. Results: The number of reported Lyme disease cases increased more than six-fold, from 144 in 2009 to 917 in 2015, mainly due to an increase in infections acquired in Canada...
October 5, 2017: Canada Communicable Disease Report, Relevé des Maladies Transmissibles Au Canada
https://www.readbyqxmd.com/read/29763485/what-s-eating-you-ixodes-tick-and-related-diseases-part-2-diagnosis-and-treatment-of-regional-tick-borne-diseases
#12
Kelsey D Wilson, Dirk M Elston
The Ixodes tick is an important arthropod vector in the transmission of human disease. Although Lyme disease is the most prevalent zoonosis transmitted by Ixodes ticks, other less common diseases may be encountered, including human granulocytic anaplasmosis, babesiosis, Powassan virus infection, tick-borne encephalitis, Borrelia miyamotoi disease, and tick paralysis. In part 2 of this review, disease presentation, diagnosis, and treatment of these less commonly encountered tick-borne diseases are discussed.
April 2018: Cutis; Cutaneous Medicine for the Practitioner
https://www.readbyqxmd.com/read/29753651/integrated-metatranscriptomics-and-metaproteomics-for-the-characterization-of-bacterial-microbiota-in-unfed-ixodes-ricinus
#13
Angélica Hernández-Jarguín, Sandra Díaz-Sánchez, Margarita Villar, José de la Fuente
An innovative metaomics approach integrating metatranscriptomics and metaproteomics was used to characterize bacterial communities in the microbiota of the Lyme borreliosis spirochete vector, Ixodes ricinus (Acari: Ixodidae). Whole internal tissues and salivary glands from unfed larvae and female ticks, respectively were used. Reused I. ricinus RNA-sequencing data for metranscriptomics analysis together with metaproteomics provided a better characterization of tick bacterial microbiota by increasing bacteria identification and support for identified bacteria with putative functional implications...
May 5, 2018: Ticks and Tick-borne Diseases
https://www.readbyqxmd.com/read/29746581/human-neuroglial-cells-internalize-borrelia-burgdorferi-by-coiling-phagocytosis-mediated-by-daam1
#14
Shanna K Williams, Zachary P Weiner, Robert D Gilmore
Borrelia burgdorferi, the agent of Lyme borreliosis, can elude hosts' innate and adaptive immunity as part of the course of infection. The ability of B. burgdorferi to invade or be internalized by host cells in vitro has been proposed as a mechanism for the pathogen to evade immune responses or antimicrobials. We have previously shown that B. burgdorferi can be internalized by human neuroglial cells. In this study we demonstrate that these cells take up B. burgdorferi via coiling phagocytosis mediated by the formin, Daam1, a process similarly described for human macrophages...
2018: PloS One
https://www.readbyqxmd.com/read/29746483/efficient-detection-of-symptomatic-and-asymptomatic-patient-samples-for-babesia-microti-and-borrelia-burgdorferi-infection-by-multiplex-qpcr
#15
Shekerah Primus, Lavoisier Akoolo, Samantha Schlachter, Kristine Gedroic, Albert D Rojtman, Nikhat Parveen
BACKGROUND: Tick-borne infections have been increasing steadily over the years, with co-infections with Borrelia burgdorferi and Babesia microti/divergens emerging as a serious health problem. B. burgdorferi is a spirochetal bacterium that causes Lyme disease while protozoan pathogens belonging to Babesia species are responsible for babesiosis. Currently used serological tests do not always detect acute Lyme disease or babesiosis, and fail to differentiate cured patients from those who get re-infected...
2018: PloS One
https://www.readbyqxmd.com/read/29745726/lyme-disease-co-infections-role-of-adaptive-immune-system
#16
Alexis Lacout, Juliette Thariat, Mostafa El Hajjam, Pierre Yves Marcy, Christian Perronne
No abstract text is available yet for this article.
May 10, 2018: Future Microbiology
https://www.readbyqxmd.com/read/29744083/autonomous-dysfunction-in-lyme-neuroborreliosis-a-case-report
#17
Bent-Are Hansen, Torgeir Finjord, Øyvind Bruserud
The diagnosis of Lyme neuroborreliosis should be considered whenever a patient presents with neurological symptoms and comes from an endemic area. However, atypical clinical presentation occurs including gastrointestinal manifestations because of autonomous dysfunction.
May 2018: Clinical Case Reports
https://www.readbyqxmd.com/read/29743307/evaluation-of-modified-two-tiered-testing-algorithms-for-lyme-disease-laboratory-diagnosis-using-well-characterized-serum-samples
#18
Adoracion Pegalajar-Jurado, Martin E Schriefer, Ryan J Welch, Marc R Couturier, Tiffany MacKenzie, Rebecca J Clark, Laura V Ashton, Mark J Delorey, Claudia R Molins
Standard two-tiered testing (STTT) is the recommended algorithm for laboratory diagnosis of Lyme disease (LD). Several limitations are associated with STTT that include low sensitivity in the early stages of disease, as well as technical complexity and subjectivity associated with second-tier immunoblots; therefore, modified two-tiered testing (MTTT) algorithms that utilize two sequential first-tier tests and eliminate immunoblots have been evaluated. Recently, a novel MTTT that uses a VlsE chemiluminescence immunoassay followed by a C6 enzyme immunoassay has been proposed...
May 9, 2018: Journal of Clinical Microbiology
https://www.readbyqxmd.com/read/29741589/c-reactive-protein-response-in-patients-with-post-treatment-lyme-disease-symptoms-versus-those-with-myalgic-encephalomyelitis-chronic-fatigue-syndrome
#19
Melanie Uhde, Alyssa Indart, Brian A Fallon, Gary P Wormser, Adriana R Marques, Suzanne D Vernon, Armin Alaedini
No abstract text is available yet for this article.
May 8, 2018: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
https://www.readbyqxmd.com/read/29740915/analysis-of-recombinational-switching-at-the-antigenic-variation-locus-of-the-lyme-spirochete-using-a-novel-pacbio-sequencing-pipeline
#20
Theodore B Verhey, Mildred Castellanos, George Chaconas
No abstract text is available yet for this article.
May 2018: Molecular Microbiology
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