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THE POSSIBLE ROLE OF MESODERMAL GROWTH-FACTORS IN THE FORMATION OF ENDODERM IN XENOPUS-LAEVIS
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UNSPECIFIED (1993) THE POSSIBLE ROLE OF MESODERMAL GROWTH-FACTORS IN THE FORMATION OF ENDODERM IN XENOPUS-LAEVIS. ROUXS ARCHIVES OF DEVELOPMENTAL BIOLOGY, 202 (4). pp. 233-239. ISSN 0930-035X.
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Abstract
We have raised a monoclonal antibody, 4G6, against gut manually isolated from stage 42 Xenopus laevis embryos. It is specific for endoderm and recognises an epitope that is first expressed at stage 19 and which persists throughout subsequent development. The antibody maintains gut specificity through metamorphosis and into adulthood. The epitope is conserved in the mouse, where it is also found in the gut. Isolated vegetal poles from Xenopus blastula stage embryos express the epitope autonomously after culturing to the appropriate stage. This shows that certain aspects of endoderm differentiation do not require germ layer interactions. Animal cap cells from stage 9 blastulae cultured in the presence of the mesodermal growth factors FGF, XTC-MIF and PIF form both endodermal and mesodermal tissues, assessed by the binding of tissue-specific monoclonal antibodies. Endoderm is typically found in those caps which form intermediate and ventral forms of mesoderm, that is muscle and lateral plate.
Item Type: | Journal Article | ||||
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Subjects: | Q Science > QH Natural history > QH301 Biology | ||||
Journal or Publication Title: | ROUXS ARCHIVES OF DEVELOPMENTAL BIOLOGY | ||||
Publisher: | SPRINGER VERLAG | ||||
ISSN: | 0930-035X | ||||
Official Date: | April 1993 | ||||
Dates: |
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Volume: | 202 | ||||
Number: | 4 | ||||
Number of Pages: | 7 | ||||
Page Range: | pp. 233-239 | ||||
Publication Status: | Published |
Data sourced from Thomson Reuters' Web of Knowledge
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