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anisakis simplex

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https://www.readbyqxmd.com/read/29902783/molecular-epidemiology-of-anisakis-spp-in-blue-whiting-micromesistius-poutassou-in-eastern-waters-of-spain-western-mediterranean-sea
#1
Dolores Molina-Fernández, Daniel Rubio-Calvo, Francisco Javier Adroher, Rocío Benítez
The infection of blue whiting Micromesistius poutassou from the western Mediterranean Sea, off the eastern coast of Spain, with larvae of Anisakis spp. was studied. Between April 2016 and April 2017, 140 fish were analyzed. Total epidemiological data showed that the prevalence of Anisakis spp. was 29.3% and the mean intensity 1.8. Of the 74 larvae collected, 61% were type I and the remaining 39%, type II. Of the former, 91% were molecularly identified as Anisakis pegreffii (P = 19.3%; MI = 1.4), 2.2% as Anisakis simplex s...
June 6, 2018: International Journal of Food Microbiology
https://www.readbyqxmd.com/read/29716661/detection-of-ascaridoid-nematode-parasites-in-the-important-marine-food-fish-conger-myriaster-brevoort-anguilliformes-congridae-from-the-zhoushan-fishery-china
#2
Hui-Xia Chen, Lu-Ping Zhang, David I Gibson, Liang Lü, Zhen Xu, Hai-Tao Li, Hui-Dong Ju, Liang Li
BACKGROUND: The whitespotted conger Conger myriaster (Brevoort) (Anguilliformes: Congridae) is an extremely marketable food fish, commonly consumed as sashimi or sushi in some Asian countries (i.e. Japan, Korea and China). Conger myriaster is also suspected as being an extremely important source of human anisakidosis. However, there is currently very little information on the levels of infection with ascaridoid nematode parasites in this economically important marine fish. The aims of the present study are to determine the species composition, prevalence and mean intensity of ascaridoid parasites of C...
May 2, 2018: Parasites & Vectors
https://www.readbyqxmd.com/read/29588070/parasite-allergens
#3
Luis Caraballo, Sandra Coronado
Human IgE against helminths is a normal component of the whole protective response elicitesd during infection, when specific IgE to a great number of antigens is produced; however, few of those IgE binding components are actually allergens. In general, considering the strong Th2/IgE responses during helminth infections is intriguing that they are not usually associated with allergic symptoms, which probably (but not exclusively) depends on parasite-induced immunomodulation. However, allergic manifestations have been described during some helminth infections such as ascariasis, strongyloidiasis, anisakiasis and hydatidosis...
March 24, 2018: Molecular Immunology
https://www.readbyqxmd.com/read/29580090/helminths-of-european-smelt-osmerus-eperlanus-linnaeus-1758-in-lake-ha%C3%A5-cza-and-the-vistula-lagoon-with-special-regard-to-their-zoonotic-threats
#4
Janina Dziekońska-Rynko, Katarzyna Mierzejewska, Katarzyna Kubiak, Martyna Rydzewska, Piotr Hliwa
Reports published in recent years on the increased risk in the Baltic Sea of fish infection with larvae of nematodes potentially pathogenic to humans have prompted a study of European smelt Osmerus eperlanus with respect to the presence of these parasites in the Vistula Lagoon. Additionally, samples of this fish from Lake Hańcza were comparatively considered. The body cavity, the surface of internal organs, the alimentary tract and the swimbladder of fish from two environmentally different water bodies were taken into account in the analysis...
March 2018: Acta Veterinaria Hungarica
https://www.readbyqxmd.com/read/29564240/preliminary-study-on-the-inactivation-of-anisakid-larvae-in-baccal%C3%A3-prepared-according-to-traditional-methods
#5
Giorgio Smaldone, Raffaele Marrone, Giuseppe Palma, Paolo Sarnelli, Aniello Anastasio
The European Food Safety Authority stated that many traditional marinating and cold smoking methods are not sufficient to kill A. simplex and asked to evaluate alternative treatments for killing viable parasites in fishery . Baccalà is a well-liked traditional product. The aim of study was to evaluate the effectiveness of the salting process on the inactivation of nematodes of the genus Anisakis in naturally infected Baccalà fillets. N. 19 fillets, subjected to a dual salting process (brine and dry salting) were analyzed...
October 20, 2017: Italian Journal of Food Safety
https://www.readbyqxmd.com/read/29527642/correction-to-green-drugs-in-the-fight-against-anisakis-simplex-larvicidal-activity-and-acetylcholinesterase-inhibition-of-origanum-compactum-essential-oil
#6
Víctor López, María Cascella, Giovanni Benelli, Filippo Maggi, Carlota Gómez-Rincón
The article Green drugs in the fight against Anisakis simplex-larvicidal activity and acetylcholinesterase inhibition of Origanum compactum essential oil, written by Víctor López, María Cascella, Giovanni Benelli, Filippo Maggi, Carlota Gómez-Rincón.
May 2018: Parasitology Research
https://www.readbyqxmd.com/read/29490766/association-between-urticaria-and-nematode-infections
#7
Paola L Minciullo, Antonio Cascio, Sebastiano Gangemi
BACKGROUND: The association between parasites and urticaria was first suggested in the last century. A wide range, 0-75.4%, of the prevalence of parasitic infection has been reported with chronic urticaria (CU). Moreover, urticaria may be detected in patients with parasitosis. Nematodes are a type of helminth that infect hundreds of millions of people throughout the world. OBJECTIVE: The aim of this work was to collect and review the published studies and cases of urticaria associated with nematode infections...
March 1, 2018: Allergy and Asthma Proceedings:
https://www.readbyqxmd.com/read/29474152/a-novel-method-for-predicting-anisakid-nematode-infection-of-atlantic-cod-using-rough-set-theory
#8
Barbara Wąsikowska, Ewa Sobecka, Iwona Bielat, Monika Legierko, Beata Więcaszek
Atlantic cod ( Gadus morhua L.) is one of the most important fish species in the fisheries industries of many countries; however, these fish are often infected with parasites. The detection of pathogenic larval nematodes is usually performed in fish processing facilities by visual examination using candling or by digesting muscles in artificial digestive juices, but these methods are both time and labor intensive. This article presents an innovative approach to the analysis of cod parasites from both the Atlantic and Baltic Sea areas through the application of rough set theory, one of the methods of artificial intelligence, for the prediction of food safety in a food production chain...
March 2018: Journal of Food Protection
https://www.readbyqxmd.com/read/29368038/green-drugs-in-the-fight-against-anisakis-simplex-larvicidal-activity-and-acetylcholinesterase-inhibition-of-origanum-compactum-essential-oil
#9
Víctor López, María Cascella, Giovanni Benelli, Filippo Maggi, Carlota Gómez-Rincón
Anisakiasis is a fish-borne parasitic disease caused by the consumption of raw or undercooked fish, as well as cephalopods, contaminated by third instar larvae (L3) of species belonging to the genus Anisakis (Anisakidae). Origanum compactum is a small herbaceous aromatic plant endemic to Spain and Morocco. In Morocco, the plant is used under infusion to treat heart diseases and intestinal pains or as preservative for foodstuffs. This is the first time that the O. compactum essential oil is tested against the parasitic nematode Anisakis simplex...
January 24, 2018: Parasitology Research
https://www.readbyqxmd.com/read/29351069/metazoan-parasite-fauna-of-migrating-common-garfish-belone-belone-l-in-the-baltic-sea
#10
Patrick Unger, Kilian Neubert, Harry W Palm
A total of 35 common garfish, Belone belone (Linnaeus, 1761), were studied for metazoan parasites on their spawning grounds in the western Baltic Sea. Nine parasite species were found, and six new locality records could be established for German coastal waters (Axine belones, Monogenea; Proteocephalus sp., Cestoda; Anisakis simplex (s.s.), Contracaecum rudolphii A and Hysterothylacium aduncum, Nematoda; Echinorhynchus gadi, Acanthocephala). For the first time, the marine ectoparasite A. belones was recorded from the gills of garfish inside the Baltic Sea, indicating its ability to survive the spawning migration as well as the brackish water conditions at its reproduction grounds...
March 26, 2018: Acta Parasitologica
https://www.readbyqxmd.com/read/29321072/tissue-specific-transcriptomes-of-anisakis-simplex-sensu-stricto-and-anisakis-pegreffii-reveal-potential-molecular-mechanisms-involved-in-pathogenicity
#11
Serena Cavallero, Fabrizio Lombardo, Xiaopei Su, Marco Salvemini, Cinzia Cantacessi, Stefano D'Amelio
BACKGROUND: Larval stages of the sibling species of parasitic nematodes Anisakis simplex (sensu stricto) (s.s.) (AS) and Anisakis pegreffii (AP) are responsible for a fish-borne zoonosis, known as anisakiasis, that humans aquire via the ingestion of raw or undercooked infected fish or fish-based products. These two species differ in geographical distribution, genetic background and peculiar traits involved in pathogenicity. However, thus far little is known of key molecules potentially involved in host-parasite interactions...
January 10, 2018: Parasites & Vectors
https://www.readbyqxmd.com/read/29306733/anisakis-spp-larvae-in-different-kinds-of-ready-to-eat-products-made-of-anchovies-engraulis-encrasicolus-sold-in-italian-supermarkets
#12
L Guardone, D Nucera, L B Lodola, L Tinacci, P L Acutis, A Guidi, A Armani
In this study the occurrence of visible anisakid larvae in semi-preserved anchovy products sold on the Italian market was investigated. Totally, 107 ready to eat products (33 salted-ripened, 49 in oil and 25 marinated) were sampled. Each sample was digested, then the digested material was observed under natural and UV light. Parasites were counted, collected and microscopically identified to genus level. A representative subset was molecularly identified using the cox2 gene. At least one visible Anisakis sp...
March 2, 2018: International Journal of Food Microbiology
https://www.readbyqxmd.com/read/29249135/prevalence-molecular-characterization-and-clinical-relevance-of-sensitization-to-anisakis-simplex-in-children-with-sensitization-and-or-allergy-to-dermatophagoides-pteronyssinus
#13
M C Verga, R Pastorino, A Casani, F Inturrisi, C de Waure, A Pugliese, I Dello Iacono
Prevalence of the Anisakis Simplex 's (AS) sensitization in children sensitized to Dermatophagoides pteronissynus (DP) is not known, neither it is to which percentage it might be due to cross-reactivity. The primary objective of the present retrospective cross-sectional study is to evaluate the prevalence of sensitization to AS in children sensitized or allergic to DP. Secondary outcomes were the prevalence of cross-reactivity and clinical relevance of the condition. The prevalence of sensitization to AS differs significantly among patients sensitized and not to DP (13...
November 2017: European Annals of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/29189183/a-multicenter-study-of-ige-sensitization-to-anisakis-simplex-and-diet-recommendations
#14
Rosalba Buquicchio, Maria T Ventura, Pier L Traetta, Saverio Nenna, Giuseppe Iadarola, Thea Magrone
BACKGROUND: Allergy to Anisakis simplex (s.) is spreading due to the increased consumption of raw, smoked or marinated fish. In man, Anisakis s. can directly attack the gastrointestinal mucosa, provoking a parasitosis known as anisakiasis, or giving rise to the formation of IgE and, finally, inducing IgE-mediated reactions like urticaria, angioedema and anaphylactic shock. During recent years, a dietary approach to Anisakis s. infestation has also been addressed. METHODS: A total of 620 patients with urticaria, angioedema, or both and a history of anaphylaxis following consumption of raw, smoked or marinated fish were recruited, evaluated for specific IgE levels to Anisakis s...
February 13, 2018: Endocrine, Metabolic & Immune Disorders Drug Targets
https://www.readbyqxmd.com/read/29170085/modelling-studies-determing-the-mode-of-action-of-anthelmintics-inhibiting-in-vitro-trehalose-6-phosphate-phosphatase-tpp-of-anisakis-simplex-s-l
#15
Elżbieta Łopieńska-Biernat, Tomasz Molcan, Łukasz Paukszto, Jan Paweł Jastrzębski, Kamil Myszczyński
The trehalose-6-phosphate phosphatase (TPP) enzyme is involved in the synthesis of trehalose, the main sugar in the energy metabolism of nematodes. TPP is a member of the HAD-like hydrolase superfamily and shows a robust and specific phosphatase activity for the substrate trehalose-6-phosphate. The presence of conserved active sites of TPP in closely related nematodes and its absence in humans makes it a promising target for antiparasitic drugs. In the present study, homology modeling, molecular docking and MD simulation techniques were used to explore the structure and dynamics of TPP...
January 2018: Experimental Parasitology
https://www.readbyqxmd.com/read/29118653/a-combined-human-case-of-dirofilaria-ursi-infection-in-dorsal-subcutaneous-tissue-and-anisakis-simplex-sensu-stricto-s-s-infection-in-ventral-subcutaneous-tissue
#16
Minoru Yamada, Namiko Shishito, Yoshihiro Nozawa, Shigehiko Uni, Keisuke Nishioka, Takaaki Nakaya
Background: Dirofilaria ursi is a filarial nematode that parasitizes the subcutaneous tissues of the American black bear ( Ursus americanus ) and Japanese black bear ( Ursus thiabetanus japonicus ). D . ursi that has parasitized black bears has the potential to subsequently infect humans. In addition, extra-gastrointestinal anisakiasis is less common in Japan. Case presentation: We report a case of ventral subcutaneous anisakiasis and dorsal subcutaneous dirofilariasis that was acquired in Fukushima, in the northern part of Japan...
2017: Tropical Medicine and Health
https://www.readbyqxmd.com/read/28882665/human-gastric-hyperinfection-by-anisakis-simplex-a-severe-and-unusual-presentation-and-a-brief-review
#17
REVIEW
Teresa Baptista-Fernandes, Manuel Rodrigues, Isabel Castro, Paulo Paixão, Pedro Pinto-Marques, Lidia Roque, Silvana Belo, Pedro Manuel Ferreira, Kamal Mansinho, Cristina Toscano
Anisakiasis is an emerging marine food-borne zoonosis resulting from the accidental ingestion of Anisakis larvae, through the consumption of raw or undercooked infected seafood products. The first case of human gastric hyperinfection by Anisakis simplex with an unusual and severe presentation, occurring in a Portuguese woman, is described in this article. Over 140 anisakid larvae were removed by gastroscopy. Massive infection is uncommon in areas where the consumption of raw fish is not part of the traditional diet, as is the case in Portugal...
November 2017: International Journal of Infectious Diseases: IJID
https://www.readbyqxmd.com/read/28645306/excretory-secretory-products-of-anisakid-nematodes-biological-and-pathological-roles
#18
REVIEW
Foojan Mehrdana, Kurt Buchmann
Parasites from the family Anisakidae are widely distributed in marine fish populations worldwide and mainly nematodes of the three genera Anisakis, Pseudoterranova and Contracaecum have attracted attention due to their pathogenicity in humans. Their life cycles include invertebrates and fish as intermediate or transport hosts and mammals or birds as final hosts. Human consumption of raw or underprocessed seafood containing third stage larvae of anisakid parasites may elicit a gastrointestinal disease (anisakidosis) and allergic responses...
June 23, 2017: Acta Veterinaria Scandinavica
https://www.readbyqxmd.com/read/28606183/allergenic-activity-of-pseudoterranova-decipiens-nematoda-anisakidae-in-balb-c-mice
#19
Alessandra Ludovisi, Gabriella Di Felice, Noelia Carballeda-Sangiao, Bianca Barletta, Cinzia Butteroni, Silvia Corinti, Gianluca Marucci, Miguel González-Muñoz, Edoardo Pozio, Maria Angeles Gómez-Morales
BACKGROUND: Anisakis simplex is the only fishery-product associated parasite causing clinical allergic responses in humans so far. However, other anisakids, due to the presence of shared or own allergens, could also lead to allergic reactions after sensitization. The aim of this study was to determine if Pseudoterranova decipiens belonging to the family Anisakidae has allergenic activity and is able to induce sensitization after oral administration in a murine (BALB/c mice) model. RESULTS: The ingestion of A...
June 12, 2017: Parasites & Vectors
https://www.readbyqxmd.com/read/28601540/atrial-fibrillation-in-anaphylaxis
#20
Patricia Rojas-Perez-Ezquerra, Blanca Noguerado-Mellado, Cristina Morales-Cabeza, Gabriela Zambrano Ibarra, Tomas Datino Romaniega
BACKGROUND: The relationship between anaphylaxis and cardiovascular events has been reported in the past. While skin and respiratory symptoms are usually the most common and the first to appear, cardiovascular complications play a key role and represent the leading cause of death in anaphylaxis. METHODS: We report 3 episodes of atrial fibrillation triggered by anaphylaxis. Allergy and cardiology studies were performed. In both patients, the etiological agent was identified: Anisakis simplex hypersensitivity and food allergy...
September 2017: American Journal of Medicine
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