Betacellulin and activin A coordinately convert amylase-secreting pancreatic AR42J cells into insulin-secreting cells

Hirosato Mashima, Hirohide Ohnishi, Katsumi Wakabayashi, Tetsuya Mine, Jun Ichiro Miyagawa, Toshiaki Hanafusa, Masaharu Seno, Hidenori Yamada, Itaru Kojima

Research output: Contribution to journalArticle

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Abstract

Rat pancreatic AR42J cells possess exocrine and neuroendocrine properties. Activin A induces morphological changes and converts them into neuron-like cells. In activin-treated cells, mRNA for pancreatic polypeptide (PP) but not that for either insulin or glucagon was detected by reverse transcription- PCR. About 25% of the cells were stained by anti-PP antibody. When AR42J cells were incubated with betacellulin, a small portion of the cells were stained positively with antiinsulin and anti-PP antibodies. The effect of betacellulin was dose dependent, being maximal at 2 nM. Approximately 4% of the cells became insulin positive at this concentration, and mRNAs for insulin and PP were detected. When AR42J cells were incubated with a combination of betacellulin and activin A, ~10% of the cells became insulin positive. Morphologically, the insulin-positive cells were composed of two types of cells: neuron-like and round-shaped cells. Immunoreactive PP was found in the latter type of cells. The mRNAs for insulin, PP, glucose transporter 2, and glucokinase, but not glucagon, were detected. Depolarizing concentration of potassium, tolbutamide, carbachol, and glucagon-like peptide-1 stimulated the release of immunoreactive insulin. These results indicate that betacellulin and activin A convert amylase-secreting AR42J cells into cells secreting insulin. AR42J cells provide a model system to study the formation of pancreatic endocrine cells.

Original languageEnglish
Pages (from-to)1647-1654
Number of pages8
JournalJournal of Clinical Investigation
Volume97
Issue number7
Publication statusPublished - Apr 1 1996

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Insulin-Secreting Cells
Amylases
Pancreatic Polypeptide
Insulin
Betacellulin
activin A
Glucagon
Messenger RNA
Pancreatic Polypeptide-Secreting Cells
Glucokinase
Neurons
Activins
Tolbutamide
Glucagon-Like Peptide 1
Endocrine Cells
Facilitative Glucose Transport Proteins
Antibodies
Carbachol
Reverse Transcription
Potassium

Keywords

  • differentiation
  • glucagon
  • glucokinase
  • glucose transporter 2
  • pancreatic polypeptide

ASJC Scopus subject areas

  • Medicine(all)

Cite this

Mashima, H., Ohnishi, H., Wakabayashi, K., Mine, T., Miyagawa, J. I., Hanafusa, T., ... Kojima, I. (1996). Betacellulin and activin A coordinately convert amylase-secreting pancreatic AR42J cells into insulin-secreting cells. Journal of Clinical Investigation, 97(7), 1647-1654.

Betacellulin and activin A coordinately convert amylase-secreting pancreatic AR42J cells into insulin-secreting cells. / Mashima, Hirosato; Ohnishi, Hirohide; Wakabayashi, Katsumi; Mine, Tetsuya; Miyagawa, Jun Ichiro; Hanafusa, Toshiaki; Seno, Masaharu; Yamada, Hidenori; Kojima, Itaru.

In: Journal of Clinical Investigation, Vol. 97, No. 7, 01.04.1996, p. 1647-1654.

Research output: Contribution to journalArticle

Mashima, H, Ohnishi, H, Wakabayashi, K, Mine, T, Miyagawa, JI, Hanafusa, T, Seno, M, Yamada, H & Kojima, I 1996, 'Betacellulin and activin A coordinately convert amylase-secreting pancreatic AR42J cells into insulin-secreting cells', Journal of Clinical Investigation, vol. 97, no. 7, pp. 1647-1654.
Mashima H, Ohnishi H, Wakabayashi K, Mine T, Miyagawa JI, Hanafusa T et al. Betacellulin and activin A coordinately convert amylase-secreting pancreatic AR42J cells into insulin-secreting cells. Journal of Clinical Investigation. 1996 Apr 1;97(7):1647-1654.
Mashima, Hirosato ; Ohnishi, Hirohide ; Wakabayashi, Katsumi ; Mine, Tetsuya ; Miyagawa, Jun Ichiro ; Hanafusa, Toshiaki ; Seno, Masaharu ; Yamada, Hidenori ; Kojima, Itaru. / Betacellulin and activin A coordinately convert amylase-secreting pancreatic AR42J cells into insulin-secreting cells. In: Journal of Clinical Investigation. 1996 ; Vol. 97, No. 7. pp. 1647-1654.
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abstract = "Rat pancreatic AR42J cells possess exocrine and neuroendocrine properties. Activin A induces morphological changes and converts them into neuron-like cells. In activin-treated cells, mRNA for pancreatic polypeptide (PP) but not that for either insulin or glucagon was detected by reverse transcription- PCR. About 25{\%} of the cells were stained by anti-PP antibody. When AR42J cells were incubated with betacellulin, a small portion of the cells were stained positively with antiinsulin and anti-PP antibodies. The effect of betacellulin was dose dependent, being maximal at 2 nM. Approximately 4{\%} of the cells became insulin positive at this concentration, and mRNAs for insulin and PP were detected. When AR42J cells were incubated with a combination of betacellulin and activin A, ~10{\%} of the cells became insulin positive. Morphologically, the insulin-positive cells were composed of two types of cells: neuron-like and round-shaped cells. Immunoreactive PP was found in the latter type of cells. The mRNAs for insulin, PP, glucose transporter 2, and glucokinase, but not glucagon, were detected. Depolarizing concentration of potassium, tolbutamide, carbachol, and glucagon-like peptide-1 stimulated the release of immunoreactive insulin. These results indicate that betacellulin and activin A convert amylase-secreting AR42J cells into cells secreting insulin. AR42J cells provide a model system to study the formation of pancreatic endocrine cells.",
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