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In vitro development of hydatid cysts from posterior bladders and ruptured brood capsules of equine Echinococcus granulosus.
Parasitology 1986; 92 (Pt 2):379-90P

Abstract

A variety of morphological forms developed during monophasic culture of ruptured brood capsules of equine Echinococcus granulosus. Attached to some protoscoleces were small posterior bladders, with a surface ultrastructure of truncated microtriches, and these never developed a laminated layer. In contrast, small free vesicles of similar size and ultrastructure, but devoid of an attached protoscolex, produced a layer by 20-30 days. The surface ultrastructure of both these forms is similar to that of the protoscolex attachment stalk and the brood capsule lining, and posterior bladders and small free vesicles are considered to be derived from portions of the stalk +/- part of the brood capsule lining retained at protoscolex release. Also present were large vesicles interpreted from their size and surface anatomy as ruptured, everted brood capsules. When devoid of attached protosoleces these formed cysts each with a laminated layer, whereas similar vesicles with several attached protoscoleces did not develop a layer, or only very occasionally after 70 or more days. In contrast, a few large vesicles with a single attached protoscolex produced a laminated layer. The possibility that protoscolex attachment to stalk remnants or brood capsules inhibits the cystic development of these structures is discussed.

Authors

No affiliation info availableNo affiliation info available

Pub Type(s)

Journal Article
Research Support, Non-U.S. Gov't

Language

eng

PubMed ID

3714303

Citation

Rogan, M T., and K S. Richards. "In Vitro Development of Hydatid Cysts From Posterior Bladders and Ruptured Brood Capsules of Equine Echinococcus Granulosus." Parasitology, vol. 92 (Pt 2), 1986, pp. 379-90.
Rogan MT, Richards KS. In vitro development of hydatid cysts from posterior bladders and ruptured brood capsules of equine Echinococcus granulosus. Parasitology. 1986;92 (Pt 2):379-90.
Rogan, M. T., & Richards, K. S. (1986). In vitro development of hydatid cysts from posterior bladders and ruptured brood capsules of equine Echinococcus granulosus. Parasitology, 92 (Pt 2), pp. 379-90.
Rogan MT, Richards KS. In Vitro Development of Hydatid Cysts From Posterior Bladders and Ruptured Brood Capsules of Equine Echinococcus Granulosus. Parasitology. 1986;92 (Pt 2):379-90. PubMed PMID: 3714303.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - In vitro development of hydatid cysts from posterior bladders and ruptured brood capsules of equine Echinococcus granulosus. AU - Rogan,M T, AU - Richards,K S, PY - 1986/4/1/pubmed PY - 1986/4/1/medline PY - 1986/4/1/entrez SP - 379 EP - 90 JF - Parasitology JO - Parasitology VL - 92 (Pt 2) N2 - A variety of morphological forms developed during monophasic culture of ruptured brood capsules of equine Echinococcus granulosus. Attached to some protoscoleces were small posterior bladders, with a surface ultrastructure of truncated microtriches, and these never developed a laminated layer. In contrast, small free vesicles of similar size and ultrastructure, but devoid of an attached protoscolex, produced a layer by 20-30 days. The surface ultrastructure of both these forms is similar to that of the protoscolex attachment stalk and the brood capsule lining, and posterior bladders and small free vesicles are considered to be derived from portions of the stalk +/- part of the brood capsule lining retained at protoscolex release. Also present were large vesicles interpreted from their size and surface anatomy as ruptured, everted brood capsules. When devoid of attached protosoleces these formed cysts each with a laminated layer, whereas similar vesicles with several attached protoscoleces did not develop a layer, or only very occasionally after 70 or more days. In contrast, a few large vesicles with a single attached protoscolex produced a laminated layer. The possibility that protoscolex attachment to stalk remnants or brood capsules inhibits the cystic development of these structures is discussed. SN - 0031-1820 UR - https://www.unboundmedicine.com/medline/citation/3714303/In_vitro_development_of_hydatid_cysts_from_posterior_bladders_and_ruptured_brood_capsules_of_equine_Echinococcus_granulosus_ DB - PRIME DP - Unbound Medicine ER -