{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,4]],"date-time":"2026-05-04T21:41:18Z","timestamp":1777930878065,"version":"3.51.4"},"reference-count":24,"publisher":"SAGE Publications","issue":"6","license":[{"start":{"date-parts":[[2023,7,25]],"date-time":"2023-07-25T00:00:00Z","timestamp":1690243200000},"content-version":"unspecified","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by-nc\/4.0\/"}],"content-domain":{"domain":["journals.sagepub.com"],"crossmark-restriction":true},"short-container-title":["J VET Diagn Invest"],"published-print":{"date-parts":[[2023,11]]},"abstract":"<jats:p>Dipylidium caninum infections in dogs and cats are underestimated because of a lack of proglottid observations and poor recovery of parasite elements by centrifugal flotation. We developed an immunoassay that employs a pair of monoclonal antibodies to capture D. caninum\u2013specific coproantigen in fecal extracts from dogs and cats. Real-time PCR for D. caninum DNA in perianal swabs and observation of proglottids were used as reference methods. In 6 experimentally infected dogs, parasite DNA, coproantigen, and proglottid segments were first detected at 22, 23, and 26\u2009d post-infection, respectively. Praziquantel treatment of 3 experimentally infected dogs resulted in the elimination of both coproantigen and proglottid shedding within 1\u20135\u2009d post-treatment; however, parasite DNA persisted for 14\u2009d. Immunohistochemistry on immature and mature tapeworm segments using an antibody against the coproantigen supports the premise that the antigen is produced in mature segments. We assessed the performance of our coproantigen test in natural infections in 78 dogs from a flea-endemic area. Of the 12 antigen-positive samples, 11 were confirmed with a positive PCR test and\/or proglottid observation. Finally, we evaluated a convenience sample set of 730 canine and 163 feline fecal samples obtained from a commercial diagnostic laboratory; D. caninum antigen was detected in 4.1% of the canine and 12.9% of the feline samples, whereas parasite elements were observed in only 0.028% of samples. Our coproantigen immunoassay provides a sensitive method for the detection of D. caninum infection in dogs and cats.<\/jats:p>","DOI":"10.1177\/10406387231189193","type":"journal-article","created":{"date-parts":[[2023,7,26]],"date-time":"2023-07-26T02:29:37Z","timestamp":1690338577000},"page":"671-678","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":7,"title":["Immunoassay for detection of\n                    <i>Dipylidium caninum<\/i>\n                    coproantigen in dogs and cats"],"prefix":"10.1177","volume":"35","author":[{"given":"David","family":"Elsemore","sequence":"first","affiliation":[{"name":"Idexx Laboratories, Westbrook, ME, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Todd","family":"Bezold","sequence":"additional","affiliation":[{"name":"Idexx Laboratories, Westbrook, ME, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jinming","family":"Geng","sequence":"additional","affiliation":[{"name":"Idexx Laboratories, Westbrook, ME, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Rita","family":"Hanna","sequence":"additional","affiliation":[{"name":"Idexx Laboratories, Westbrook, ME, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Phyllis","family":"Tyrrell","sequence":"additional","affiliation":[{"name":"Idexx Laboratories, Westbrook, ME, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-8165-5361","authenticated-orcid":false,"given":"Melissa","family":"Beall","sequence":"additional","affiliation":[{"name":"Idexx Laboratories, Westbrook, ME, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"179","published-online":{"date-parts":[[2023,7,25]]},"reference":[{"key":"bibr1-10406387231189193","doi-asserted-by":"publisher","DOI":"10.1016\/j.vetpar.2017.10.002"},{"key":"bibr2-10406387231189193","doi-asserted-by":"publisher","DOI":"10.1051\/parasite\/2013006"},{"key":"bibr3-10406387231189193","doi-asserted-by":"publisher","DOI":"10.1051\/parasite\/2018029"},{"key":"bibr4-10406387231189193","first-page":"122","volume-title":"Georgis\u2019 Parasitology for Veterinarians","volume":"2014","author":"Bowman DD","edition":"10"},{"key":"bibr5-10406387231189193","doi-asserted-by":"publisher","DOI":"10.1111\/jvim.16142"},{"key":"bibr6-10406387231189193","first-page":"289","volume":"130","author":"Deplazes P","year":"1988","journal-title":"Schweiz Arch Tierheilkd"},{"key":"bibr7-10406387231189193","doi-asserted-by":"publisher","DOI":"10.1177\/1040638717706098"},{"key":"bibr8-10406387231189193","doi-asserted-by":"publisher","DOI":"10.1177\/1040638714528500"},{"key":"bibr9-10406387231189193","doi-asserted-by":"publisher","DOI":"10.1177\/10406387221129259"},{"key":"bibr10-10406387231189193","doi-asserted-by":"publisher","DOI":"10.1007\/s00436-013-3279-5"},{"key":"bibr11-10406387231189193","unstructured":"Geng J, Elsemore DA, inventors; IDEXX Laboratories, Inc., assignee. Methods, devices, kits and compositions for detecting tapeworm. 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