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Serum amyloid A regulates monopoiesis in hyperlipidemic Ldlr(-/-) mice.


ABSTRACT: We previously showed that feeding a Western-type diet (WTD) to Ldlr(-/-) mice lacking serum amyloid A (SAA) (Saa(-/-) Ldlr(-/-) mice), the level of total blood monocytes was higher than in Ldlr(-/-) mice. In this investigation we demonstrate that higher levels of bone marrow monocytes and macrophage-dendritic cell progenitor (MDP) cells were found in WTD-fed Saa(-/-) Ldlr(-/-) mice compared to Ldlr(-/-) mice and lower levels of GMP cells and CMP cells in Ldlr(-/-) mice. These data indicate that SAA regulates the level of bone marrow monocytes and their myeloid progenitors in hyperlipidemic Ldlr(-/-) mice.

SUBMITTER: Krishack PA 

PROVIDER: S-EPMC4992419 | biostudies-literature | 2016 Aug

REPOSITORIES: biostudies-literature

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Serum amyloid A regulates monopoiesis in hyperlipidemic Ldlr(-/-) mice.

Krishack Paulette A PA   Sontag Timothy J TJ   Getz Godfrey S GS   Reardon Catherine A CA  

FEBS letters 20160708 16


We previously showed that feeding a Western-type diet (WTD) to Ldlr(-/-) mice lacking serum amyloid A (SAA) (Saa(-/-) Ldlr(-/-) mice), the level of total blood monocytes was higher than in Ldlr(-/-) mice. In this investigation we demonstrate that higher levels of bone marrow monocytes and macrophage-dendritic cell progenitor (MDP) cells were found in WTD-fed Saa(-/-) Ldlr(-/-) mice compared to Ldlr(-/-) mice and lower levels of GMP cells and CMP cells in Ldlr(-/-) mice. These data indicate that  ...[more]

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