Artykuły w czasopismach: „Toxocaridae”

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Gomez-Puerta, Luis A. "Primeros registros de Hysterothylacium pelagicum (Anisakidae) y Toxocara alienata (Toxocaridae) en el Perú - Fe de errata". Revista Peruana de Biología 22, nr 2 (15.10.2015): 265. http://dx.doi.org/10.15381/rpb.v22i2.11362.

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Error en el artículo Primeros registros de Hysterothylacium pelagicum (Anisakidae) y Toxocara alienata (Toxocaridae) en el Perú publicado en la Revista Peruana de Biologia (2014) 21 (2): 171-174. DOI: http://dx.doi.org/10.15381/rpb.v21i2.9820 El error esta referido a la Tabla 1. Algunas medidas de Hysterothylacium pelagicum no han sido expesadas correctamente. Debe considerarse la tabla adjunta.

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Mursyid, Muhammad Hipzul, Anwar Rosyidi, Wayan Wariata i Made Sriasih. "Kasus Infestasi Endoparasit pada Kerbau (Bubalus bubalis) di Kecamatan Praya Barat Kabupaten Lombok Tengah". Jurnal Ilmu dan Teknologi Peternakan Indonesia (JITPI), Indonesian Journal of Animal Science and Technology 5, nr 2 (17.06.2020): 93. http://dx.doi.org/10.29303/jitpi.v5i2.66.

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The purpose of this study was to determine endoparasitic infestation on Buffaloes in Praya Barat district, Central Lombok. Stools samples were taken from 61 buffaloes from 5 villages and examined at Banyumulek Animal Health Laboratory of Animal Husbandry and Animal Health Service of NTB Province using the floating and sedimentation methods to perceive the presence of parasitic eggs. The data obtained were analyzed descriptively. The results show that from 61 fecal samples analyzed, 20 samples (32.7%) were positively infected with endoparasites with a single type of infection and multi-species infection. A total of 13 samples (21.3%) were infected with Nematodes, 2 samples (3.27%) were infected with Cestode, 2 samples (3.27%) were infected with Trematode and 11 samples (18.03%) were infected with Protozoa. The degree of endoparasitic infection in buffaloes in West Praya district is included in the category of mild infection. Endoparasites that infect buffaloes in Praya Barat are coming from family Toxocaridae, Trichostrongylidae, Cooperidae, Anoplocephalidae, Strongylidae, Strongyloididae, Chabertidae, Fasciolidae and Eimeriidae. The highest prevalence for worm parasite was Toxocaridae with the percentage of 11.46%, whilst for the protozoa was the family of Eimeriidae accounted for 18.01%.

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Valizadeh, M., F. Tahvildar Biderouni, S. R. Shahrokhi, M. Ghanimatdan i A. R. Nagahi. "Sequencing and phylogenetic analysis of mitochondrial cox1 and nad1 genes in Toxocara canis and Toxascaris leonina isolates from Iran". BULGARIAN JOURNAL OF VETERINARY MEDICINE 24, nr 2 (2021): 251–60. http://dx.doi.org/10.15547/bjvm.2274.

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Toxocara canis and Toxascaris leonina are the most important ascaridoid nematodes of the family Toxocaridae. The present study was aimed to characterisation and analysis of genetic variation within and among T. canis and T. leonina isolates obtained from Iran by sequencing partial mitochondrial cytochrome c oxidase subunit 1 (pcox1) and partial NADH dehydrogenase subunit 1 (pnad1) genes. A total number of 134 adult nematodes belonging to Toxocaridae family were collected from stray dogs in Alborz province, Iran during 2015 and 2016. Polymerase chain reaction (PCR) was performed and products were sequenced. Sequences of two mitochondrial cox1 and nad1 genes were compared with other sequences in the GenBank, while multiple sequences alignment analysis was performed using the Bioedit and MEGA6 software and phylogenetic tree was plotted. For all isolates, amplicons of about 450 and 350 base pairs (bp) were successfully produced by PCR for cox1 and nad1, respectively. All sequences of T. canis isolates from present study were 100% homologous across the nad1 gene but not in the cox1 gene. The results indicate that the PCR method based on sequence of cox1 and nad1 genes is a suitable technique for the differentiation of T. canis and T. leonina species and that mtDNA regions could be used as genetic markers for the identification and differentiation of Toxocara species.

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Xie, Yue, Lidan Wang, Yijun Chen, Zhao Wang, Pengchen Zhu, Zun Hu, Xinfeng Han, Zhisheng Wang, Xuan Zhou i Zhicai Zuo. "The Complete Mitogenome of Toxocara vitulorum: Novel In-Sights into the Phylogenetics in Toxocaridae". Animals 12, nr 24 (15.12.2022): 3546. http://dx.doi.org/10.3390/ani12243546.

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Toxocara vitulorum (Ascaridida: Nematoda) is one of the most common intestinal nematodes of cattle and buffalos and, therefore, represents a serious threat to their populations worldwide. Despite its significance in veterinary health the epidemiology, population genetics, and molecular ecology of this nematode remain poorly understood. The mitogenome can yield a foundation for studying these areas and assist in the surveillance and control of T. vitulorum. Herein, the first whole mitogenome of T. vitulorum was sequenced utilizing Illumina technology and characterized with bioinformatic pipeline analyses. The entire genome of T. vitulorum was 15,045 bp in length and contained 12 protein-coding genes (PCGs), 22 transfer RNAs (tRNAs), and two ribosomal RNAs (rRNAs). The gene arrangement (GA) of T. vitulorum was similar to those of other Toxocara species under GA3. The whole genome showed significant levels of AT and GC skew. Comparative mitogenomics including sequence identities, Ka/Ks, and sliding window analysis, indicated a purifying selection of 12 PCGs with cox1 and nad6 having the lowest and highest evolutionary rate, respectively. Whole amino acid sequence-based phylogenetic analysis supported a novel sister-species relationship of T. vitulorum with the congeneric species Toxocara canis, Toxocara cati, and Toxocara malaysiensis in the family Toxocaridae. Further, 12 (PCGs) single gene-based phylogenies suggested that nad4 and nad6 genes shared same topological trees with that of the whole genome, suggesting that these genes were suitable as novel genetic markers for phylogenetic and evolutionary studies of Ascaridida species. This complete mitogenome of T. vitulorum refined phylogenetic relationships in Toxocaridae and provided the resource of markers for population genetics, systematics, and epidemiology of this bovine nematode.

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Meng, Xiaduo, Yue Xie, Xiaobin Gu, Youle Zheng, Yunjian Liu, Yingxin Li, Lu Wang, Xuan Zhou, Zhicai Zuo i Guangyou Yang. "Sequencing and analysis of the complete mitochondrial genome of dog roundworm Toxocara canis (Nematoda: Toxocaridae) from USA". Mitochondrial DNA Part B 4, nr 2 (3.07.2019): 2999–3001. http://dx.doi.org/10.1080/23802359.2019.1666042.

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Thyssen, Patricia Jacqueline, Thiago de Carvalho Moretti, Marlene Tiduko Ueta i Odair Benedito Ribeiro. "O papel de insetos (Blattodea, Diptera e Hymenoptera) como possíveis vetores mecânicos de helmintos em ambiente domiciliar e peridomiciliar". Cadernos de Saúde Pública 20, nr 4 (sierpień 2004): 1096–102. http://dx.doi.org/10.1590/s0102-311x2004000400025.

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Os helmintos podem ser transmitidos ao homem de várias maneiras, mas pouca ênfase é dada para a transmissão vetorial ou mecânica das formas infectantes por insetos. Neste estudo, procurou-se fazer um levantamento das espécies de helmintos presentes em três ordens de insetos que convivem próximo ao ambiente humano. Foram coletados e examinados, externa e individualmente, 700 exemplares sendo 54 pertencentes à ordem Blattodea, 275 à ordem Diptera e 371 à ordem Hymenoptera. Com relação à Blattodea, foi capturada apenas a espécie Periplaneta americana e, em 58,3% dos espécimes, as seguintes formas de helmintos foram encontradas: ovos de Oxyuridae (36,40%), ovos de Ascaridae (28,04%), larvas de Nematoda (4,80%), ovos de Cestoda (3,50%), Nematoda (0,08%) e ovos de Toxocaridae (0,08%). Nos exemplares das ordens Diptera e Hymenoptera, não foi observada qualquer forma de parasita. Este estudo possibilitou avaliar a importância e o papel de insetos como vetores de helmintos parasitas, correlacionando-o às condições ambientais e sociais, sugerindo a aplicação destes dados para medidas profiláticas.

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Al Quraishy, Saleh, Rewaida Abdel-Gaber i Mohamed Abdel Monem Dkhil. "First record of Pseudoterranova decipiens (Nematoda, Anisakidae) infecting the Red spot emperor Lethrinus lentjan in the Red Sea". Revista Brasileira de Parasitologia Veterinária 28, nr 4 (grudzień 2019): 625–31. http://dx.doi.org/10.1590/s1984-29612019057.

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Abstract The current parasitological study was carried out to investigate helminth parasites infecting the Red spot emperor Lethrinus lentjan inhabiting Hurghada City at the Gulf of Suez, Red Sea, Egypt. Third-stage larvae of nematode parasite was isolated from the intestine as well as body cavity of the examined fish. Light and scanning electron microscopy revealed that this parasite belonged to Anisakidae family within the genus Pseudoterranova. The present species is named Pseudoterranova decipiens based on the presence of triangular mouth aperture with prominent boring teeth and soft swellings of the cuticle, long muscular esophagus, ventrally excretory pore, and narrow transverse slit of anal opening followed by a short mucron. The morphological characteristics of this species were confirmed by molecular analysis of 18S rDNA gene region of the present parasite. It demonstrated a close identity ≥89% with taxa under family Anisakidae, 85% with Raphidascarididae, and 79-84% with Toxocaridae. A preliminary genetic comparison between gene sequence of the present parasite and other oxyurid species placeed it as a putative sister taxon to other Pseudoterranova decipiens described previously. This study demonstrated that the 18S rDNA gene region of Pseudoterranova decipiens yielded a unique sequence that confirmed its taxonomic position in Anisakidae.

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Salehi, Alireza, Mahsa Razavi i Nasrollah Vahedi Nouri. "Seasonal Prevalence of Helminthic Infections in the Gastrointestinal Tract of Sheep in Mazandaran Province, Northern Iran". Journal of Parasitology Research 2022 (21.12.2022): 1–8. http://dx.doi.org/10.1155/2022/7392801.

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Helminthic infection is the major cause of the sheep’s reduced productivity. In this study, a total number of 240 fecal samples of sheep from stationary flocks of four different zones of Mazandaran province (Amol, Babol, Sari, and Nowshahr cities) were examined each season, out of which 53.33% of animals were affected by the helminthic infections. The most prevalent infecting parasites were the Trichostrongylidae (46.61%), followed by the Fasciola (9.96%). In addition, the Strongyloides had the lowest proportion with only 2.39%. The other detected parasites included Chabertia (5.98%), Cooperia (3.19%), Nematodirus (3.19%), Trichuris (5.58%), Toxocaridae (4.78%), Haemonchus (4.78%), Ostertagia (5.58%), Oesophagostomum (4.78%), and Dicrocoelium (3.19%). The nematodes had the highest percentage with 86.85%, whereas the trematodes followed them with 13.15%. No significant difference was observed between the infection level in females and males, with 56.9% and 43.94% rates of infection, respectively. Significantly lower infection was observed in winter compared with the other seasons. Trichostrongylidae was the dominant genus across all seasons. It was also noted that winter had the lowest percentage of helminthic infection significantly. The eggs per gram of feces was also estimated, and it showed that a significant number of sheep are infected with a moderate number of parasites. In a conclusion, even though livestock farmers have been using antiparasitic drugs in their livestock in recent years, parasitic infection still exists in livestock. Thus, a proper implementation of helminthic infection control programs in this area should be employed as the key element for reducing the high prevalence of livestock helminthic infection.

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Mattos, Mary Jane Tweedie de, Maikel Jones Pozza, Fabiola Opitz, Ana Paula Gobbi de Bitencourt, Fabiane Guedes, Ivandre Antonio Merlin Junior i Karen Praetzel. "Toxocariose em bovinos leiteiros no estado de Rio Grande do Sul". Revista Agraria Academica 4, nr 1 (1.01.2021): 112–18. http://dx.doi.org/10.32406/v4n12021/112-118/agrariacad.

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Parasitic diseases in cattle represent a worldwide health problem, with emphasis on toxocariosis involved in animal mortality in the first weeks of life. The purpose of this report is to record the prevalence of Toxocara eggs (Neoascaris) in the feces of cattle in RS. Fecal samples were processed using the Willis-Mollay method. In the present study, it was observed that 41.36% (67/162) of fecal samples from cattle (162) had Toxocara (Neoascaris) vitulorum eggs, with 49.25% of calves and 50.75% of cows being positive. The high degree of infection demonstrates that there is a lack of knowledge of parasitosis on the part of producers, requiring further studies in livestock.

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Erofeeva, Viktoria V., i O. V. Maslennikova. "EARTHWORMS ECOLOGICAL AND EPIDEMIOLOGIC CONTRIBUTION TO PREVENTION OF TOXOCARIASIS". Hygiene and sanitation 98, nr 8 (28.10.2019): 897–902. http://dx.doi.org/10.18821/0016-9900-2019-98-8-897-902.

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Introduction. Morbidity toxocariasis, second in prevalence geohelminthiasis in Russia, is a serious problem in recent years, especially in metropolitan areas. The involvement of earthworms in the life cycle of toxocarias remains poorly understood. The role of earthworms (paratenic hosts) in the circulation and prevention of toxocariasis is established. The work is aimed at a contribution finding out of earthworms Еisеniа fеtidа (paratenic hosts) in toxocariasis circulation and prevention. Material and methods. Nematodes dehelminthization derived from animals. For the first time in Russian Federation, experiments have been conducted on infestation of earthworms Е. fеtidа with infective eggs Tоxоcаrа cаnis and Tоxоcаrа mystax. Results. In the conducted experiments, possibility is proved of infestation of earthworms Е. fеtidа with infective eggs Т. canis and Т. mystax via earth bacterized with 10000 infective eggs. For the first time migration was proved of ascaridate larvae from intestines to skin-muscular sac of the earthworms. Conclusion. Besides, investigation was conducted aimed at finding out of the period duration of Т. canis and Т. mystax larvae staying in earthworms’ intestines and sinews.

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Hamann, D., C. M. Hilkens, J. L. Grogan, S. M. Lens, M. L. Kapsenberg, M. Yazdanbakhsh i R. A. van Lier. "CD30 expression does not discriminate between human Th1- and Th2-type T cells." Journal of Immunology 156, nr 4 (15.02.1996): 1387–91. http://dx.doi.org/10.4049/jimmunol.156.4.1387.

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Abstract CD30 is a member of the TNF receptor superfamily that is commonly used as a marker for Hodgkin and Reed-Sternberg cells in Hodgkin's disease. More recently, it has been proposed that CD30 is preferentially up-regulated on Th2-type human T cells. We analyzed regulation of CD30 expression on both peripheral blood T cells and T cell clones. In short-term culture, CD30 expression could be induced on T cells by Ags that elicit Th2-type responses (Schistosoma haematobium, adult worm Ag, and Toxocaria canis, excretory/secretory Ag) and Th0-type responses (tetanus toxoid), as well as Th1-type responses (tuberculin purified protein derivative). Moreover, simultaneous measurement of membrane phenotype and cytokine production showed that CD30-expressing cells can produce IFN-gamma. Finally, within panels of randomly generated as well as Ag-specific T cell clones, CD30 expression was found on Th0-, Th2-, and Th1-type clones. We conclude that induction of CD30 on activated T cells is not related to differentiation in Th0-, Th1-, or Th2-type cells.

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Stybel, V. V., B. V. Gutyj, D. F. Gufriy, L. G. Slivinska, I. M. Kushnir, V. I. Kushnir, O. B. Prijma, W. S. Said i Z. A. Guta. "The effect of fenbenzyl and fenbendazole on the morphological parameters of the blood of dogs, with experimental infestation with the pathogen Toxocaria-sis". Scientific Messenger of LNU of Veterinary Medicine and Biotechnologies 23, nr 104 (23.12.2021): 148–55. http://dx.doi.org/10.32718/nvlvet10424.

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The problem of toxocariasis is essential for both human and veterinary medicine. Therefore, the study aimed to determine the effect of fenbenzyl and fenbendazole on the morphological parameters of the blood of dogs, with experimental infestation with the pathogen toxocariasis. The experiments were performed on 18 dogs, two to four months of age, and three groups of six animals were formed in each: control and two experimental groups. Puppies of all groups were experimentally infected with toxocariasis at a dose of 5,000 invasive T. canis eggs per kg body weight. The control group of dogs was as untreated control. Puppies of the first experimental group were fed the drug “Fenbendazole” at a dose of 150 mg per 3 kg of animal weight once a day for three days in a single dose. Puppies of the second experimental group were fed Fenbenzyl at a dose of 350 mg per 3 kg of animal weight once a day for three days. It was found that the use of fenbendazole in infected dogs, the number of erythrocytes and hemoglobin in their blood increased compared with the control group but did not reach physiological values. In the second experimental group of animals treated with fenbenzyl, an increase in these indicators was found throughout the experiment. On days 25 and 30 of the experiment, the number of erythrocytes and hemoglobin fluctuated within physiological values. When prescribing drugs “Fenbendazole” and “Fenbenzyl” found a decrease in leukocytes from 10 days of the experiment. In the second experimental group, the number of leukocytes was more likely to decrease than the control group. Such changes in the blood are due to the antiparasitic effect of the drug “Fenbenzyl” and the cessation of toxins of Toxocara on the bone marrow. It was found that the number of eosinophils, neutrophils, and monocytes in animals was significantly reduced in all experimental groups compared to uninfected, infected dogs. It should also be noted that the number of lymphocytes in the blood of dogs of the experimental groups probably increased from the 15th day of the experiment. On days 25 and 30 of the experiment, an increase in the number of lymphocytes to physiological values was found in dogs treated with Fenbenzyl. Thus, the use of fenbenzyl in the second experimental group of dogs helped restore blood morphological parameters to the level of control, which, in our opinion, is due to reduced immunosuppressive effects of Toxocara on their body, as well as hepatoprotective, immunostimulatory, and antioxidant effects of milk thistle.

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Gu, Xiao-Hong, Ning Guo, Hui-Xia Chen, Jiljí Sitko, Lin-Wei Li, Bing-Qian Guo i Liang Li. "Mitogenomic phylogenies suggest the resurrection of the subfamily Porrocaecinae and provide insights into the systematics of the superfamily Ascaridoidea (Nematoda: Ascaridomorpha), with the description of a new species of Porrocaecum". Parasites & Vectors 16, nr 1 (10.08.2023). http://dx.doi.org/10.1186/s13071-023-05889-9.

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Abstract Background The family Toxocaridae is a group of zooparasitic nematodes of veterinary, medical and economic significance. However, the evolutionary relationship of Porrocaecum and Toxocara, both genera currently classified in Toxocaridae, and the monophyly of the Toxocaridae remain under debate. Moreover, the validity of the subgenus Laymanicaecum in the genus Porrocaecum is open to question. Due to the scarcity of an available genetic database, molecular identification of Porrocaecum nematodes is still in its infancy. Methods A number of Porrocaecum nematodes collected from the Eurasian marsh harrier Circus aeruginosus (Linnaeus) (Falconiformes: Accipitridae) in the Czech Republic were identified using integrated morphological methods (light and scanning electron microscopy) and molecular techniques (sequencing and analyzing the nuclear 18S, 28S and ITS regions). The complete mitochondrial genomes of the collected nematode specimens and of Porrocaecum (Laymanicaecum) reticulatum (Linstow, 1899) were sequenced and annotated for the first time. Phylogenetic analyses of ascaridoid nematodes based on the amino acid sequences of 12 protein-coding genes of mitochondrial genomes were performed using maximum likelihood and Bayesian inference. Results A new species of Porrocaecum, named P. moraveci n. sp., is described based on the morphological and genetic evidence. The mitogenomes of P. moraveci n. sp. and P. reticulatum both contain 36 genes and are 14,517 and 14,210 bp in length, respectively. Comparative mitogenomics revealed that P.moraveci n. sp. represents the first known species with three non-coding regions and that P. reticulatum has the lowest overall A + T content in the mitogenomes of ascaridoid nematodes tested to date. Phylogenetic analyses showed the representatives of Toxocara clustered together with species of the family Ascarididae rather than with Porrocaecum and that P. moraveci n. sp. is a sister to P. reticulatum. Conclusions The characterization of the complete mitochondrial genomes of P. moraveci n. sp. and P. reticulatum is reported for the first time. Mitogenomic phylogeny analyses indicated that the family Toxocaridae is non-monophyletic and that the genera Porrocaecum and Toxocara do not have an affinity. The validity of the subgenus Laymanicaecum in Porrocaecum was also rejected. Our results suggest that: (i) Toxocaridae should be degraded to a subfamily of the Ascarididae that includes only the genus Toxocara; and (ii) the subfamily Porrocaecinae should be resurrected to include only the genus Porrocaecum. The present study enriches the database of ascaridoid mitogenomes and provides a new insight into the systematics of the superfamily Ascaridoidea. Graphical Abstract

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Gao, Y., Y. Hu, S. Xu, H. Liang, H. Lin, T. H. Yin i K. Zhao. "Characterisation of the mitochondrial genome and phylogenetic analysis of Toxocara apodemi (Nematoda: Ascarididae)". Journal of Helminthology 98 (2024). http://dx.doi.org/10.1017/s0022149x24000221.

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Abstract We first sequenced and characterised the complete mitochondrial genome of Toxocara apodeme, then studied the evolutionary relationship of the species within Toxocaridae. The complete mitochondrial genome was amplified using PCR with 14 specific primers. The mitogenome length was 14303 bp in size, including 12 PCGs (encoding 3,423 amino acids), 22 tRNAs, 2 rRNAs, and 2 NCRs, with 68.38% A+T contents. The mt genomes of T. apodemi had relatively compact structures with 11 intergenic spacers and 5 overlaps. Comparative analyses of the nucleotide sequences of complete mt genomes showed that T. apodemi had higher identities with T. canis than other congeners. A sliding window analysis of 12 PCGs among 5 Toxocara species indicated that nad4 had the highest sequence divergence, and cox1 was the least variable gene. Relative synonymous codon usage showed that UUG, ACU, CCU, CGU, and UCU most frequently occurred in the complete genomes of T. apodemi. The Ka/Ks ratio showed that all Toxocara mt genes were subject to purification selection. The largest genetic distance between T. apodemi and the other 4 congeneric species was found in nad2, and the smallest was found in cox2. Phylogenetic analyses based on the concatenated amino acid sequences of 12 PCGs demonstrated that T. apodemi formed a distinct branch and was always a sister taxon to other congeneric species. The present study determined the complete mt genome sequences of T. apodemi, which provide novel genetic markers for further studies of the taxonomy, population genetics, and systematics of the Toxocaridae nematodes.

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Gomez-Puerta, Luis A. "Primeros registros de Hysterothylacium pelagicum (Anisakidae) y Toxocara alienata (Toxocaridae) en el Perú". Revista Peruana de Biología 21, nr 2 (8.10.2014). http://dx.doi.org/10.15381/rpb.v21i2.9820.

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González-Rivas, Cynthia J., Gabriel N. Castillo i Ivan Dario Simnocelli. "Contribución al conocimiento de nemátodos parásitos en mamíferos de la provincia de San Juan, Argentina". Neotropical Helminthology 17, nr 2 (9.10.2023). http://dx.doi.org/10.24039/rnh20231721653.

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Analizamos la fauna endoparasitaria de cuatro especies de mamíferos; Puma concolor (Linnaeus, 1771) (puma), Lycalopex gymnocercus (Fischer, 1814) (zorro gris), Myocastor coypus (Molina, 1782) (coipus) y Tolypeutes matacus (Linnaeus, 1758) (armadillo de tres bandas) del Centro de Rehabilitación de Vida Silvestre, Educación Ambiental y Recreación Responsable en la provincia de San Juan, Argentina. De las cuatro especies de mamíferos que ingresaron al Centro de Rehabilitación, tres fallecieron en el lugar, posteriormente se procedió a realizar la necropsia. El análisis post mortem de L. gymnocercus, M. coypus y T. matacus evidencio la presencia de tres especies de nemátodos parásitos; Physaloptera clausa Rudolphi, 1819 (Physalopteridae) en L. gymnocercus, Trichuris myocastoris Enigk, 1933 (Trichuridae) en M. coypus, y hembras adultas de Aspidodera sp. Railliet & Henry, 1912 en T. matacus. Con respecto al P. concolor, expulsó los nemátodos por vía oral, determinándose la presencia de larvas de Toxascaris sp. Linstow, 190 (Toxocaridae). Se presentan datos métricos y morfológicos de los nemátodos. Nuestro trabajo menciona cuatro nuevas interacciones parásitos- hospedadores para Argentina y los primeros registros para la provincia de San Juan, contribuyendo de esta forma al conocimiento parasitario en mamíferos.

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Vinh Phuc, Le Dinh, Cao Ba Loi, Huynh Hong Quang, Le Duc Vinh, Cao Truong Sinh, Vu Van Du, Que Anh Tram, Khong Minh Quang, Tang Xuan Hai i Tran-Anh Le. "Clinical and Laboratory Findings among Patients with Toxocaria-sis in Medic Medical Center, Ho Chi Minh City, Vietnam in 2017-2019". Iranian Journal of Parasitology, 29.11.2021. http://dx.doi.org/10.18502/ijpa.v16i4.7864.

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Background: Human toxocariasis is prevalent in many countries but this disease has been rarely reported from Vietnam. We aimed to investigate the clinical and laboratory findings and assess possible association between these findings in patients with toxocariasis in Vietnam. Methods: A prospectively study, between October 2017 and June 2019 was performed involving 120 toxocariasis patients at Medic Medical Center, Ho Chi Minh City, Vietnam. The diagnosis of toxocariasis was established based on clinical, laboratory (eosinophilia, raised IgE concentration) and serological (positive Toxocara IgG ELISA test) evaluation as well as the exclusion of other helminthic coinfection. Results: The most frequently reported manifestation was of skin (n = 93, 77.5%), including urticarial (n= 69, 57.5%) followed by neurologic, gastrointestinal and pulmonary signs/symptoms. Hepatic involvement occurred in 8.3% of the patients. No significant relationship between clinical findings and laboratory parameters was found except the higher values of eosinophil count and IgE concentration among patients with liver involvement. There was a significant relationship between eosinophil count and IgE concentration (r=0.389, P<0.001). Serological findings did not show a correlation with clinical and other laboratory findings. Conclusion: Our data revealed a wide range of clinical symptoms/signs and a high incidence of skin manifestations in patients with toxocariasis. Eosinophil count and IgE concentration are valuable markers for the evaluation of the disease.

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