Relationship between β cell mass of NOD donors and diabetes development of NOD-scid recipients in adoptive transfer system

Satoru Yamada, Akira Shimada, Keiichi Kodama, Jiro Morimoto, Ryuji Suzuki, Yoichi Oikawa, Junichiro Irie, Takao Saruta

Research output: Contribution to journalArticle

Abstract

Background - There is controversy about the way the β cell mass is reduced in type 1 diabetes. One view is that a gradual fall in β cell mass begins soon after the onset of insulitis. Another view is that a sudden wave of β cell destruction occurs just before the onset of diabetes. To clarify how the β cell mass is reduced, we performed adoptive transfer experiments and examined the relationship between the pancreatic status of NOD donors and the time taken to transfer diabetes into NOD-scid recipients. Methods - We killed 18-week-old female NOD mice (n = 20), removed their spleen, and transferred splenocytes into 5-week-old female NOD-scid mice (n = 60). The relationship between the pancreatic status of donors and the time taken to transfer diabetes into recipients was assessed. As pancreatic status, we measured Insulin content and severity of insulitis. Results - There was no linear correlation between the pancreatic status of donors and the time taken to transfer diabetes into recipients. NOD donors who needed 7 or more weeks to transfer diabetes in NOD-scid recipients had similar levels of insulin content or severity of insulitis as those of NOD donors who could not transfer diabetes. On the other hand, NOD donors who needed 6 or less weeks to transfer diabetes in recipients had similar levels of insulin content or severity of insulitis as those of diabetic NOD mice. Conclusions -According to our observations, β cell mass seems to be preserved until just before the onset of diabetes and decreased dramatically within a few weeks.

Original languageEnglish
Pages (from-to)211-214
Number of pages4
JournalAnnals of the New York Academy of Sciences
Volume1005
DOIs
Publication statusPublished - 2003

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Adoptive Transfer
Medical problems
Inbred NOD Mouse
Insulin
Type 1 Diabetes Mellitus
Spleen
Cells
Recipient
Diabetes

Keywords

  • β cell mass
  • Adoptive transfer
  • Insulitis
  • NOD mouse
  • Type 1 diabetes

ASJC Scopus subject areas

  • Biochemistry, Genetics and Molecular Biology(all)

Cite this

Relationship between β cell mass of NOD donors and diabetes development of NOD-scid recipients in adoptive transfer system. / Yamada, Satoru; Shimada, Akira; Kodama, Keiichi; Morimoto, Jiro; Suzuki, Ryuji; Oikawa, Yoichi; Irie, Junichiro; Saruta, Takao.

In: Annals of the New York Academy of Sciences, Vol. 1005, 2003, p. 211-214.

Research output: Contribution to journalArticle

Yamada, Satoru ; Shimada, Akira ; Kodama, Keiichi ; Morimoto, Jiro ; Suzuki, Ryuji ; Oikawa, Yoichi ; Irie, Junichiro ; Saruta, Takao. / Relationship between β cell mass of NOD donors and diabetes development of NOD-scid recipients in adoptive transfer system. In: Annals of the New York Academy of Sciences. 2003 ; Vol. 1005. pp. 211-214.
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AU - Suzuki, Ryuji

AU - Oikawa, Yoichi

AU - Irie, Junichiro

AU - Saruta, Takao

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