Introduction

ApoE and the Brain

Native ApoE3 Binds Aβ with Higher Affinity than ApoE4

Characterization of CNS Lipoproteins

Structure and Function of Aβ1-42 Assemblies

Aβ-induced Neurotoxicity is Enhanced by ApoE4

Effects of ApoE that Modify Actions of Aβ are Mediated by ApoE Receptors

Metabolism of ApoE3 and E4 ± Aβ-42

Transgenic Mouse Models




Related Publications

Chen S, Averett NT, Manelli AM, LaDu MJ, May W, and MD Ard. Isoform-specific effects of apolipoprotein E on secretion of inflammatory mediators in adult rat microglia. J. of Alzheimer's Disease. 7(1):25-35, 2005.
  abstract | pdf

LaDu MJ, Reardon C, Van Eldik L, Fagan AM, Bu G, Holtzman D, and GS Getz. Lipoproteins in the central nervous system. Ann N Y Acad Sci. 903:167-75. Review, 2000.
  abstract | pdf

Fagan AM, Holtzman DM, Munson G, Mathur T, Schneider D, Chang LK, Getz GS, Reardon CA, Lukens J, Shah JA, and MJ LaDu. Unique lipoproteins secreted by primary astrocytes from wild type, apoE (-/-), and human apoE transgenic mice. J Biol Chem. 274(42):30001-7, 1999.
  abstract | pdf

LaDu, M.J., Gilligan, S.M., Lukens, J.R., Cabana, V.G., Reardon, C.A., Van Eldik, L.J., and D.M. Holtzman. CSF lipoproteins differ from nascent astrocyte particles. J Neurochem. 70(5):2070-2081, 1998.
  abstract | pdf





Characterization of CNS Lipoproteins

Characterization of CNS lipoproteins, including those found in the CSF and nascent, apoE-containing particles secreted by glial cells by electron microscopy (Figure 1) and size exclusion chromatography (SEC, Figure 2).


SEC of Human Plasma

Figure 1.



SEC of CNS Lipoproteins

[LaDu, J. Neurochem, 1998]

Figure 2.



Aβ co-elutes withe CSF and glial lipoproteins analyzed by SEC (Figure 3). SEC profile for human plasma included as a reference (Figure 4).


SEC of CNS Lipoproteins and Aβ

Figure 3.



CNS Lipoproteins Analyzed by Electron Microscopy

[LaDu, J. Neurochem, 1998]

Figure 4.



Common Sources of ApoE

[Attribution: Katie Youmans]

Figure 5.



Related Publications

Chen S, Averett NT, Manelli AM, LaDu MJ, May W, and MD Ard. Isoform-specific effects of apolipoprotein E on secretion of inflammatory mediators in adult rat microglia. J. of Alzheimer's Disease. 7(1):25-35, 2005.
  abstract | pdf

LaDu MJ, Reardon C, Van Eldik L, Fagan AM, Bu G, Holtzman D, and GS Getz. Lipoproteins in the central nervous system. Ann N Y Acad Sci. 903:167-75. Review, 2000.
  abstract | pdf

Fagan AM, Holtzman DM, Munson G, Mathur T, Schneider D, Chang LK, Getz GS, Reardon CA, Lukens J, Shah JA, and MJ LaDu. Unique lipoproteins secreted by primary astrocytes from wild type, apoE (-/-), and human apoE transgenic mice. J Biol Chem. 274(42):30001-7, 1999.
  abstract | pdf

LaDu, M.J., Gilligan, S.M., Lukens, J.R., Cabana, V.G., Reardon, C.A., Van Eldik, L.J., and D.M. Holtzman. CSF lipoproteins differ from nascent astrocyte particles. J Neurochem. 70(5):2070-2081, 1998.
  abstract | pdf

<< Native ApoE3 Binds Aβ With
Higher Affinity Than ApoE4
Structure/Function of Aβ1-42 Assemblies >>