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Title
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Immunohistochemical localization of WE-14 in the developing porcine sympathoadrenal cell lineage
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Author
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Abstract
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| Immunohistochemical investigation of the post-translational processing of chromogranin A (CgA) to generate WE-14 in the sympathoadrenal cell lineage of the developing porcine fetus (F) detected intense CgA and weak WE-14 immunoreactivity in migrating neuroblast cells of the diffuse sympathetic ganglia adjacent to the dorsal aorta and projecting toward the cortical mass at F24-27. F37-42; WE-14 immunoreactivity was detected in chromaffinoblasts at the periphery of the developing cortex and at F54-56 days gestation WE-14 immunoreactivity was detected in a large population of central medullary cells. From F74 to F76 days and thereafter the number of cells exhibiting intense WE-14 immunostaining decreased, and the majority of chromaffin cells exhibited uniform weak WE-14 immunostaining. At postnatal day 1 (P1) intense WE-14 immunoreactivity was primarily confined to clusters of chromaffin cells with weak immunostaining in the general population. The transitory neuroblasts, chromaffinoblasts, and maturing chromaffin cell population exhibited uniform intense C-A immunostaining through gestation and after birth. Additional observations detected intense C-A and WE-14 immunostaining in extrachromaffin tissue at P1 and in neuronal-like cells in vessels of the aortic arch at F37. This study has demonstrated that CgA is post-translationally processed to generate WE-14 during early fetal development in the migrating progenitor cells of the porcine sympathoadrenal lineage. |
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Language
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English
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Source (journal)
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Histochemistry and cell biology / Society for Histochemistry. - Heidelberg, 1995, currens
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Publication
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Heidelberg
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Springer
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2001
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ISSN
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0948-6143
[print]
1432-119X
[online]
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DOI
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10.1007/S004180100315
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Volume/pages
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116
:3
(2001)
, p. 255-262
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ISI
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000171330600010
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Full text (Publisher's DOI)
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