RGD Reference Report - Noggin and BMP4 co-modulate adult hippocampal neurogenesis in the APP(swe)/PS1(DeltaE9) transgenic mouse model of Alzheimer's disease. - Rat Genome Database

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Noggin and BMP4 co-modulate adult hippocampal neurogenesis in the APP(swe)/PS1(DeltaE9) transgenic mouse model of Alzheimer's disease.

Authors: Tang, J  Song, M  Wang, Y  Fan, X  Xu, H  Bai, Y 
Citation: Tang J, etal., Biochem Biophys Res Commun. 2009 Jul 31;385(3):341-5. doi: 10.1016/j.bbrc.2009.05.067. Epub 2009 May 20.
RGD ID: 10414082
Pubmed: PMID:19463786   (View Abstract at PubMed)
DOI: DOI:10.1016/j.bbrc.2009.05.067   (Journal Full-text)

In addition to the subventricular zone, the dentate gyrus of the hippocampus is one of the few brain regions in which neurogenesis continues into adulthood. Perturbation of neurogenesis can alter hippocampal function, and previous studies have shown that neurogenesis is dysregulated in Alzheimer disease (AD) brain. Bone morphogenetic protein-4 (BMP4) and its antagonist Noggin have been shown to play important roles both in embryonic development and in the adult nervous system, and may regulate hippocampal neurogenesis. Previous data indicated that increased expression of BMP4 mRNA within the dentate gyrus might contribute to decreased hippocampal cell proliferation in the APP(swe)/PS1(DeltaE9) mouse AD model. However, it is not known whether the BMP antagonist Noggin contributes to the regulation of neurogenesis. We therefore studied the relative expression levels and localization of BMP4 and its antagonist Noggin in the dentate gyrus and whether these correlated with changes in neurogenesis in 6-12 mo old APP(swe)/PS1(DeltaE9) transgenic mice. Bromodeoxyuridine (BrdU) was used to label proliferative cells. We report that decreased neurogenesis in the APP/PS1 transgenic mice was accompanied by increased expression of BMP4 and decreased expression of Noggin at both the mRNA and protein levels; statistical analysis showed that the number of proliferative cells at different ages correlated positively with Noggin expression and negatively with BMP4 expression. Intraventricular administration of a chimeric Noggin/Fc protein was used to block the action of endogenous BMP4; this resulted in a significant increase in the number of BrdU-labeled cells in dentate gyrus subgranular zone and hilus in APP/PS1 mice. These results suggest that BMP4 and Noggin co-modulate neurogenesis.

RGD Manual Disease Annotations    Click to see Annotation Detail View
TermQualifierEvidenceWithReferenceNotesSourceOriginal Reference(s)
Alzheimer's disease  ISOBmp4 (Mus musculus)10414082; 10414082 RGD 
Alzheimer's disease  IEP 10414082; 10414082 RGD 
Alzheimer's disease  ISONog (Mus musculus)10414082; 10414082 RGD 

Objects Annotated

Genes (Rattus norvegicus)
Bmp4  (bone morphogenetic protein 4)
Nog  (noggin)

Genes (Mus musculus)
Bmp4  (bone morphogenetic protein 4)
Nog  (noggin)

Genes (Homo sapiens)
BMP4  (bone morphogenetic protein 4)
NOG  (noggin)


Additional Information