{"title":"竹节虫(carausius morosus, BR.)胚胎卵黄囊体外释放的细胞包括胚胎血细胞","authors":"M.Teresa Locci , Massimo Masetti , Antonella Cecchettini , Franco Giorgi","doi":"10.1016/S0020-7322(98)00025-7","DOIUrl":null,"url":null,"abstract":"<div><p>The embryonic yolk sac and the adult dorsal vessel of the stick insect <em>Carausius morosus</em> (Br.) (Phasmatodea : Heteronemiidae) were shown to release a number of cells that appear morphologically similar to circulating adult hemocytes. Like adult hemocytes, these cells reacted positively when tested for both phenoloxidase activity and a monoclonal antibody specifically raised against a vitellin polypeptide. Based on this evidence, it is suggested that yolk sac-released cells behave as potential embryonic hemocytes. A model is thus proposed whereby the yolk sac might host a number of hemopoietic stem cells on their way to the dorsal vessel, and in so doing, it may temporally act as an embryonic hemopoietic organ.</p></div>","PeriodicalId":100701,"journal":{"name":"International Journal of Insect Morphology and Embryology","volume":"27 4","pages":"Pages 325-331"},"PeriodicalIF":0.0000,"publicationDate":"1998-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/S0020-7322(98)00025-7","citationCount":"8","resultStr":"{\"title\":\"Cells released in vitro from the embryonic yolk sac of the stick insect carausius morosus (BR.) (PHASMATODEA : HETERONEMIIDAE) may include embryonic hemocytes\",\"authors\":\"M.Teresa Locci , Massimo Masetti , Antonella Cecchettini , Franco Giorgi\",\"doi\":\"10.1016/S0020-7322(98)00025-7\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<div><p>The embryonic yolk sac and the adult dorsal vessel of the stick insect <em>Carausius morosus</em> (Br.) (Phasmatodea : Heteronemiidae) were shown to release a number of cells that appear morphologically similar to circulating adult hemocytes. Like adult hemocytes, these cells reacted positively when tested for both phenoloxidase activity and a monoclonal antibody specifically raised against a vitellin polypeptide. Based on this evidence, it is suggested that yolk sac-released cells behave as potential embryonic hemocytes. A model is thus proposed whereby the yolk sac might host a number of hemopoietic stem cells on their way to the dorsal vessel, and in so doing, it may temporally act as an embryonic hemopoietic organ.</p></div>\",\"PeriodicalId\":100701,\"journal\":{\"name\":\"International Journal of Insect Morphology and Embryology\",\"volume\":\"27 4\",\"pages\":\"Pages 325-331\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1998-10-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"https://sci-hub-pdf.com/10.1016/S0020-7322(98)00025-7\",\"citationCount\":\"8\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"International Journal of Insect Morphology and Embryology\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://www.sciencedirect.com/science/article/pii/S0020732298000257\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"International Journal of Insect Morphology and Embryology","FirstCategoryId":"1085","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/S0020732298000257","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Cells released in vitro from the embryonic yolk sac of the stick insect carausius morosus (BR.) (PHASMATODEA : HETERONEMIIDAE) may include embryonic hemocytes
The embryonic yolk sac and the adult dorsal vessel of the stick insect Carausius morosus (Br.) (Phasmatodea : Heteronemiidae) were shown to release a number of cells that appear morphologically similar to circulating adult hemocytes. Like adult hemocytes, these cells reacted positively when tested for both phenoloxidase activity and a monoclonal antibody specifically raised against a vitellin polypeptide. Based on this evidence, it is suggested that yolk sac-released cells behave as potential embryonic hemocytes. A model is thus proposed whereby the yolk sac might host a number of hemopoietic stem cells on their way to the dorsal vessel, and in so doing, it may temporally act as an embryonic hemopoietic organ.
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