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Esra Yilmaz, Moritz Fritzenwanker, Nikola Pantchev, Mathias Lendner, Sirichit Wongkamchai, Domenico Otranto, Inge Kroidl, Martin Dennebaum, Thanh Hoa Le, Tran Anh Le, Sabrina Ramünke, Roland Schaper, Georg von Samson-Himmelstjerna, Sven Poppert, Jürgen Krücken
BACKGROUND: Cutaneous dirofilariosis is a canine mosquito-borne zoonosis that can cause larva migrans disease in humans. Dirofilaria repens is considered an emerging pathogen occurring with high prevalence in Mediterranean areas and many parts of tropical Asia. In Hong Kong, a second species, Candidatus Dirofilaria hongkongensis, has been reported. The present study aimed to compare mitochondrial genomes from these parasites and to obtain population genetic information. METHODS AND FINDINGS: Complete mitochondrial genomes were obtained by PCR and Sanger sequencing or ILLUMINA sequencing for four worms...
October 2016: PLoS Neglected Tropical Diseases
Mariam Meddeb, Wassila Carpentier, Nicolas Cagnard, Sophie Nadaud, Antoine Grillon, Cathy Barthel, Sylvie Josiane De Martino, Benoît Jaulhac, Nathalie Boulanger, Frédéric Schramm
In Lyme borreliosis, the skin is the key site for bacterial inoculation by the infected tick and for cutaneous manifestations. We previously showed that different strains of Borrelia burgdorferi sensu stricto isolated from tick and from different clinical stages of the Lyme borreliosis (erythema migrans, and acrodermatitis chronica atrophicans) elicited a very similar transcriptional response in normal human dermal fibroblasts. In this study, using whole transcriptome microarray chips, we aimed to compare the transcriptional response of normal human dermal fibroblasts stimulated by 3 Borrelia burgdorferi sensu lato strains belonging to 3 main pathogenic species (B...
2016: PloS One
Setareh Jahfari, Agnetha Hofhuis, Manoj Fonville, Joke van der Giessen, Wilfrid van Pelt, Hein Sprong
BACKGROUND: Tick-borne diseases are the most prevalent vector-borne diseases in Europe. Knowledge on the incidence and clinical presentation of other tick-borne diseases than Lyme borreliosis and tick-borne encephalitis is minimal, despite the high human exposure to these pathogens through tick bites. Using molecular detection techniques, the frequency of tick-borne infections after exposure through tick bites was estimated. METHODS: Ticks, blood samples and questionnaires on health status were collected from patients that visited their general practitioner with a tick bite or erythema migrans in 2007 and 2008...
October 2016: PLoS Neglected Tropical Diseases
P Sugathan, Meera Bhagyanathan
No abstract text is available yet for this article.
September 2016: Indian Journal of Dermatology
Stefano Veraldi, Luisa Angileri, Bethsabeth Abigail Parducci, Gianluca Nazzaro
No abstract text is available yet for this article.
August 10, 2016: Journal of Dermatological Treatment
M T Carrasquer-Pirla, S Clemos-Matamoros
No abstract text is available yet for this article.
September 23, 2016: Semergen
Hirotaka Tanaka
Ishigakicoccus gen. n. shimadai sp. n. is described based on the adult female morphology. This new species was found in the nest of a rare Japanese ant, Acropyga yaeyamensis Terayama & Hashimoto, 1996, in Ishigaki Is., Japan. It resembles Capitisetella migrans (Green, 1933) and Pseudorhizoecus proximus Green, 1933. However, the new species differs from those two species in having small multilocular pores, large 3-5 locular pores on the medial area of ventral abdomen, and two different-sized body setae. This new species is also the first record of a potential trophobiont of Acropyga yaeyamensis...
2016: ZooKeys
Maja Sočan, Mateja Blaško-Markič, Vanja Erčulj, Jaroslav Lajovic
BACKGROUND: Lyme borreliosis disease results from infection by members of the Borrelia burgdorferi sensu lato complex. The most common clinical presentation of Lyme borreliosis is erythema migrans (EM). To gain knowledge of the epidemiological parameters and the risk factors of EM in Slovenia, a survey has been carried out in 2010. METHODS: A short anonymous and self-administrated questionnaire was sent to 4917 notified EM patients in 2010, aiming to collect epidemiological data and assess socio-economic determinants in patients with EM...
December 2015: Zdravstveno Varstvo
Sheila L Arvikar, Jameson T Crowley, Katherine B Sulka, Allen C Steere
OBJECTIVE: To describe systemic autoimmune joint diseases following Lyme disease and to compare their clinical features with Lyme arthritis. METHODS: Records of all adult patients referred to our Lyme arthritis clinic over a 13-year period in whom we diagnosed a systemic autoimmune joint disease following Lyme disease were reviewed. For comparison, records of patients enrolled in our Lyme arthritis (LA) cohort over the most recent 2-year period were analyzed. IgG antibodies to Borrelia burgdorferi and to 3 Lyme disease-associated autoantigens were measured...
September 16, 2016: Arthritis & Rheumatology
Romain Bricca, Christian Chidiac, Tristan Ferry
No abstract text is available yet for this article.
2016: BMJ Case Reports
J White, C Noonan-Toly, G Lukacik, N Thomas, A Hinckley, S Hook, P B Backenson
Despite the mandatory nature of Lyme disease (LD) reporting in New York State (NYS), it is believed that only a fraction of the LD cases diagnosed annually are reported to public health authorities. Lack of complete LD case reporting generally stems from (i) lack of report of provider-diagnosed cases where supportive laboratory testing is not ordered or results are negative (i.e. provider underreporting) and (ii) incomplete case information (clinical laboratory reporting only with no accompanying clinical information) such that cases are considered 'suspect' and not included in national and statewide case counts (i...
September 10, 2016: Zoonoses and Public Health
Jerome Goddard
BACKGROUND: Lyme disease is the number one arthropod-transmitted disease in the US, and one of the diagnostic criteria for the illness is development of an erythematous bull's-eye rash around a tick bite that may expand over time, hence the term erythema migrans. However, there are other erythema migrans-like rashes, such as those from a condition known as southern tick-associated rash illness. This article describes a patient with an erythema migrans-like lesion similar to that associated with Lyme disease, resulting from a bite by a nymphal-stage lone star tick, Amblyomma americanum...
September 6, 2016: American Journal of Medicine
Divyamol Thomas, N Jeyathilakan, S Abdul Basith, T M A Senthilkumar
Toxocara canis is a widespread gastrointestinal nematode parasite of dogs and cause Toxocara larva migrans, an important zoonotic disease in humans on ingestion of infective eggs. Toxocarosis is one of the few human parasitic diseases whose serodiagnosis uses a standardized antigen, T. canis excretory secretory antigen (TES). The present study describes collection of T. canis adult worm, collection and embryonation of T. canis eggs, hatching and separation of T. canis larvae, in vitro maintenance of T. canis second stage larvae for production of TES, concentration of culture fluid TES and yield of TES in correlation with various methods cited in literature...
September 2016: Journal of Parasitic Diseases: Official Organ of the Indian Society for Parasitology
Ayako Yoshida, Taisei Kikuchi, Shiori Nakagaki, Haruhiko Maruyama
Ascarid nematodes, Ascaris suum, Toxocara canis and Toxocara cati, are the most important causative species of larva migrans syndrome (LMS) in humans. Although the diagnosis of ascarid LMS is generally based on serological tests, specific serological tests for A. suum infection have not been fully developed. In the present study, the sensitivity and specificity of three A. suum antigen preparations, i.e., the somatic adult worm antigen (As-SWAP), larval excretory-secretory (ES) antigens derived from infective L3 (AsiL3-ES) and larval ES from tissue migratory L3 (AsmL3-ES), were evaluated for the serodiagnosis of A...
September 8, 2016: Parasitology Research
Felix Lötsch, Markus Obermüller, Johannes Mischlinger, Ghyslain Mombo-Ngoma, Mirjam Groger, Akim Ayola Adegnika, Selidji Todagbe Agnandji, Renate Schneider, Herbert Auer, Michael Ramharter
Toxocara spp. are zoonotic parasites with global distribution infecting humans by incidental ingestions of eggs shed in feces of dogs or cats. High seroprevalences have been reported from several regions of Africa, however data from the Central African region remain limited. Although several clinical entities caused by larvae of Toxocara spp. have been described, the public heath impact of this infection has so far often been neglected. This study was conducted to estimate the prevalence in a rural central African population...
December 2016: Parasitology International
Lidia López-Jiménez, Julio Blas, Alessandro Tanferna, Sonia Cabezas, Tracy Marchant, Fernando Hiraldo, Fabrizio Sergio
In long-lived animals, the challenges that threaten individual homeostasis, and the way they are dealt with, are expected to vary in an age-related manner, encompassing the progressive selection of superior phenotypes and the acquisition and improvement of key skills (e.g. foraging, breeding and fighting abilities). Since exposure to homeostatic challenges typically elevates circulating glucocorticoid (GC) levels in vertebrates (modulating the behavioural and physiological responses that mediate allostasis), we may expect concomitant age-related changes in these hormones...
August 27, 2016: Oecologia
Gary P Wormser, Praveen Sudhindra, Eliana Lopez, Lisa Patel, Sara Rezai, Aaron D Brumbaugh, Donna McKenna, Carol Scavarda, Eugene D Shapiro, Carol L Karmen, Paul Visintainer
Fatigue is a common symptom in patients with Lyme disease. The purpose of this study was to characterize fatigue in untreated adult patients presenting with erythema migrans. Selected variables were assessed to determine if any correlated with the presence or severity of fatigue. Fatigue was assessed on the day of the evaluation by a Visual Analogue Scale (VAS), over the past 14days by the 11-item Fatigue Severity Scale (FSS-11) and over the past 28days based on a question from the 36-item Short Form General Health Survey version 2...
November 2016: Diagnostic Microbiology and Infectious Disease
Jacob L Ogdee, Scott E Henke, David B Wester, Alan M Fedynich
Baylisascaris procyonis is a nematode whose definitive host is the raccoon (Procyon lotor). Adult parasites are not particularly pathogenic to raccoons; however, larvae in intermediate hosts can cause visceral, ocular, and neural larva migrans. Humans serve as dead-end hosts and pathological responses are similar as those found in infected intermediate hosts. Infected raccoons expose intermediate hosts through their feces, which can contain millions of B. procyonis eggs. Our objective was to determine how the quantity and viability of B...
August 19, 2016: Journal of Parasitology
Jacob L Ogdee, Scott E Henke, David B Wester, Alan M Fedynich
Baylisascaris procyonis is an intestinal nematode of raccoons ( Procyon lotor ). Within intermediate hosts, larvae can cause visceral, ocular, and neural migrans. Humans, especially children, have become infected after ingestion of larvated eggs at raccoon latrines. Eggs of B. procyonis have a thermal death point of 62 C. During 2012, we assessed the likelihood of thermal lethality on B. procyonis eggs in southern Texas. We recorded temperature every 30 min with data loggers placed on the ground in full sun and in the shade, buried 5 cm underground and the ground surface exposed to full sun or in shade, in attics with and without exhaust fans, in woodpiles, in sheds, in tree crevices, and in cars parked in the sun...
October 2016: Journal of Wildlife Diseases
Cassandra M Skinner-Taylor, Maria S Flores, José A Salinas, Katiushka Arevalo-Niño, Luis J Galán-Wong, Guadalupe Maldonado, Mario A Garza-Elizondo
OBJECTIVES: Lyme disease is a tick-borne disease caused by infections with Borrelia. Persons infected with Borrelia can be asymptomatic or can develop disseminated disease. Diagnosis and recognition of groups at risk of infection with Borrelia burgdorferi is of great interest to contemporary rheumatology. There are a few reports about Borrelia infection in Mexico, including lymphocytoma cases positive to B. burgdorferi sensu stricto by PCR and a patient with acrodermatitis chronica atrophicans...
2016: Reumatologia
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