Comparison of the dynamics and antigen recognition profiles of IgG3 following immunisation with larval crude extracts (LCE) and excretory-secretory (ES) products from muscle larvae of different species of Trichinella (T. spiralis, T. nativa, T. britovi, T. nelsoni and genotype T6) was made in BALB/c mice. High levels of gG3 response were obtained in ELISA following immunisation with LCE from al...

The antigen source for enzyme-linked immunosorbent assay (ELISA) and enzyme-linked immunotransfer blot for neurocysticercosis is generally Taenia solium. A comparison of the membrane and scolex extracts of Cysticercus cellulosae and Cysticercus fasciolaris (larval stage of Taenia taeniaeformis) for the immunodiagnosis of neurocysticercosis has been performed. C. fasciolaris cysts were produced ...

Based on metabolic and morphological similarities between infective third-stage larvae of parasitic nematodes and dauer larvae of Caenorhabditis elegans, it is hypothesized that similar genetic mechanisms control the development of these forms. In the parasite Strongyloides stercoralis, FKTF-1 is an ortholog of DAF-16, a forkhead transcription factor that regulates dauer larval development in C...

BACKGROUND Hydatidosis is one of the cosmopolitan parasitic zoonoses caused by the larval stage of Echinococcus granulosus. Diagnosis of hydatidosis is still an unresolved problem. Serological tests using crude antigens for diagnosis of E. granulosus are sensitive, however their specificity are not satisfactory. Therefore, WHO recommended specific serological methods using specific antigens, sp...

Axons derived from young ganglion cells in the periphery of the retinae of larval and adult goldfish are known to fasciculate with one another and their immediate forerunners, creating the typical age-related order in the retinotectal pathway. Young axons express the E587 antigen, a member of the L1 family of cell adhesion molecules. Repeated injections of Fab fragments from a polyclonal E587 a...

Limited prior evidence suggests that 5'-nucleotidase, an ectoenzyme principally located in the Malpighian tubules of the tick Rhipicephalus (Boophilus) microplus, could be an effective antigen in an anti-tick vaccine. To assess this, recombinant 5'-nucleotidase was expressed in Escherichia coli and used in vaccination trials with both sheep and cattle. Vaccinated sheep were challenged with fres...

Hydatidosis, caused by the larval stage of Echinococcus granulosus, is one of the most important zoonosis with worldwide distribution. As its diagnosis by clinical symptoms and scanning alone is difficult and confusing, we designed the present study to achieve a sensitive and simple diagnostic method for epidemiological studies. Sera (250 samples) were collected from 90 cases of hydatidosis pro...

One of the fundamental aspects of a parasitic infection diagnosis is the use of adequate antigens to develop specific and sensitive immunoassays. This fact is especially complicated in nematode infection cases because of the high cross-reactivity among different parasites in this group. We performed an evaluation of Anisakis simplex antigens purified by affinity chromatography. We used sera fro...

Objetivo: Identificar os benefícios e indicações da terapia larval no tratamento de feridas crônicas. Metodologia: Trata-se uma revisão narrativa literatura, realizada Google Acadêmico, mês junho 2022, foram incluídos artigos originais revisões, publicados na íntegra eletronicamente, período janeiro 2021 a maio 2022. Foram excluídos materiais pagos, duplicidades, teses, dissertações trabalhos c...

Background: Mosquitoes are responsible for the transmission of many pathogens and parasites and consequently serious diseases in humans. Currently, application of plant derivatives has been suggested as an alternative bio-control technique for these medically important vectors. Methods: In this study the essential oil and methanol extract of Achilleaw...