Gastrointestinal AAPOAII and systemic AA-amyloidosis in aged C57BL/Ka mice - Amyloid-type dependent effect of long-term immunosuppressive treatment

Harm HogenEsch, Theo A. Niewold, Keiichi Higuchi, Peter C.J. Tooten, Erik Gruys, Jiri Radl

Research output: Contribution to journalArticle

12 Citations (Scopus)

Abstract

The light microscopic and immunohistochemical features of a novel localized senile amyloidosis in the gastrointestinal tract of C57BL/Ka mice are described. Senile gastrointestinal amyloidosis was predominantly found in the lamina propria of the ileum, cecum and stomach and infrequently in other segments of the gastrointestinal tract. The Congo red affinity of the senile amyloid was sensitive to potassium permanganate pretreatment. The amyloid did not react with anti-AA and anti-immunoglobulin antisera, but stained positively for apoAII, a major apolipoprotein of high density lipoproteins. A similar type of amyloid, termed AApoAII, has recently been described in a systemic form of senile amyloidosis in mice. In the present study, we investigated the effect of long-term immunosuppressive treatment on the incidence of systemic AA-amyloidosis and gastro-intestinal AApoAII-amyloidosis in aged C57BL/Ka mice. Gastrointestinal amyloidosis occurred in 60% of the control mice, but significantly less in mice of the immunosuppressed groups. In contrast, systemic AA-immunoreactive amyloidosis was only found in mice that were given immunosuppressive treatment. There was no codeposition of AA and AApoAII-amyloid. These findings indicate that immunosuppressive drugs have a profound effect on the incidence as well as the type of amyloidosis in C57BL/Ka mice.

Original languageEnglish (US)
Pages (from-to)37-43
Number of pages7
JournalVirchows Archiv B Cell Pathology Including Molecular Pathology
Volume64
Issue number1
DOIs
StatePublished - Dec 1 1993

Fingerprint

Amyloidosis
Immunosuppressive Agents
Inbred C57BL Mouse
Amyloid
Gastrointestinal Tract
Potassium Permanganate
Congo Red
Cecum
Apolipoproteins
Incidence
HDL Lipoproteins
Ileum
Immunoglobulins
Immune Sera
Stomach
Mucous Membrane
Light
Pharmaceutical Preparations

Keywords

  • Amyloidosis
  • Apolipoprotein AII
  • Immunosuppression
  • Intestine
  • Mice

ASJC Scopus subject areas

  • Pathology and Forensic Medicine

Cite this

Gastrointestinal AAPOAII and systemic AA-amyloidosis in aged C57BL/Ka mice - Amyloid-type dependent effect of long-term immunosuppressive treatment. / HogenEsch, Harm; Niewold, Theo A.; Higuchi, Keiichi; Tooten, Peter C.J.; Gruys, Erik; Radl, Jiri.

In: Virchows Archiv B Cell Pathology Including Molecular Pathology, Vol. 64, No. 1, 01.12.1993, p. 37-43.

Research output: Contribution to journalArticle

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abstract = "The light microscopic and immunohistochemical features of a novel localized senile amyloidosis in the gastrointestinal tract of C57BL/Ka mice are described. Senile gastrointestinal amyloidosis was predominantly found in the lamina propria of the ileum, cecum and stomach and infrequently in other segments of the gastrointestinal tract. The Congo red affinity of the senile amyloid was sensitive to potassium permanganate pretreatment. The amyloid did not react with anti-AA and anti-immunoglobulin antisera, but stained positively for apoAII, a major apolipoprotein of high density lipoproteins. A similar type of amyloid, termed AApoAII, has recently been described in a systemic form of senile amyloidosis in mice. In the present study, we investigated the effect of long-term immunosuppressive treatment on the incidence of systemic AA-amyloidosis and gastro-intestinal AApoAII-amyloidosis in aged C57BL/Ka mice. Gastrointestinal amyloidosis occurred in 60{\%} of the control mice, but significantly less in mice of the immunosuppressed groups. In contrast, systemic AA-immunoreactive amyloidosis was only found in mice that were given immunosuppressive treatment. There was no codeposition of AA and AApoAII-amyloid. These findings indicate that immunosuppressive drugs have a profound effect on the incidence as well as the type of amyloidosis in C57BL/Ka mice.",
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AB - The light microscopic and immunohistochemical features of a novel localized senile amyloidosis in the gastrointestinal tract of C57BL/Ka mice are described. Senile gastrointestinal amyloidosis was predominantly found in the lamina propria of the ileum, cecum and stomach and infrequently in other segments of the gastrointestinal tract. The Congo red affinity of the senile amyloid was sensitive to potassium permanganate pretreatment. The amyloid did not react with anti-AA and anti-immunoglobulin antisera, but stained positively for apoAII, a major apolipoprotein of high density lipoproteins. A similar type of amyloid, termed AApoAII, has recently been described in a systemic form of senile amyloidosis in mice. In the present study, we investigated the effect of long-term immunosuppressive treatment on the incidence of systemic AA-amyloidosis and gastro-intestinal AApoAII-amyloidosis in aged C57BL/Ka mice. Gastrointestinal amyloidosis occurred in 60% of the control mice, but significantly less in mice of the immunosuppressed groups. In contrast, systemic AA-immunoreactive amyloidosis was only found in mice that were given immunosuppressive treatment. There was no codeposition of AA and AApoAII-amyloid. These findings indicate that immunosuppressive drugs have a profound effect on the incidence as well as the type of amyloidosis in C57BL/Ka mice.

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