Expression of immunoreactive activin A in fetal rat pancreas.

Abstract:

:Expression of activin A in fetal rat pancreas was studied immunohistochemically by using anti-activin A antibody. On embryonic day 12 (E12), cells in cap-like pancreatic anlage were stained with anti-activin A antibody. In these sections, no immunoreactive insulin or glucagon was observed. On E13.5, cells containing immunoreactive activin A were observed in pancreatic anlage. These cells were also stained by both anti-glucagon and anti-insulin antibodies. On E15, a cluster of cells could be recognized as a primitive islet. In the primitive islet, cells containing immunoreactive activin A were observed. Activin-positive cells were located mainly in the mantle of the primitive islet but some were located in the core of the primitive islet. These activin-positive cells also expressed glucagon. Among them, cells also containing insulin were observed. In addition to activin-positive cells, cells containing only insulin were detected in the core of the primitive islet. These results indicate that immunoreactive activin A is expressed in fetal pancreas. The expression of activin A is an early event during the development of pancreatic endocrine cells.

journal_name

Endocr J

journal_title

Endocrine journal

authors

Furukawa M,Eto Y,Kojima I

doi

10.1507/endocrj.42.63

subject

Has Abstract

pub_date

1995-02-01 00:00:00

pages

63-8

issue

1

eissn

0918-8959

issn

1348-4540

journal_volume

42

pub_type

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