The DOI matches its Crossref record; 8 of the 8 references it cites were found in a registry or an index.
Chronic Treatment with the γ-Secretase Inhibitor LY-411,575 Inhibits β-Amyloid Peptide Production and Alters Lymphopoiesis and Intestinal Cell Differentiation
Open accessAbstract
Inhibition of gamma-secretase, one of the enzymes responsible for the cleavage of the amyloid precursor protein (APP) to produce the pathogenic beta-amyloid (Abeta) peptides, is an attractive approach to the treatment of Alzheimer disease. In addition to APP, however, several other gamma-secretase substrates have been identified (e.g. Notch), and altered processing of these substrates by gamma-secretase inhibitors could lead to unintended biological consequences. To study the in vivo consequences of gamma-secretase inhibition, the gamma-secretase inhibitor LY-411,575 was administered to C57BL/6 and TgCRND8 APP transgenic mice for 15 days. Although most tissues were unaffected, doses of LY-411,575 that inhibited Abeta production had marked effects on lymphocyte development and on the intestine. LY-411,575 decreased overall thymic cellularity and impaired intrathymic differentiation at the CD4(-)CD8(-)CD44(+)CD25(+) precursor stage. No effects on peripheral T cell populations were noted following LY-411,575 treatment, but evidence for the altered maturation of peripheral B cells was observed. In the intestine, LY-411,575 treatment increased goblet cell number and drastically altered tissue morphology. These effects of LY-411,575 were not seen in mice that were administered LY-D, a diastereoisomer of LY-411,575, which is a very weak gamma-secretase inhibitor. These studies show that inhibition of gamma-secretase has the expected benefit of reducing Abeta in a murine model of Alzheimer disease but has potentially undesirable biological effects as well, most likely because of the inhibition of Notch processing.
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Cites
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Notch–RBP-J signaling is involved in cell fate determination of marginal zone B cells
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Cited by
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A Phase 3 Trial of Semagacestat for Treatment of Alzheimer's Disease
Doody, R. S., Raman, R., Farlow, M., Iwatsubo, T., Vellas, B., Joffe, S., Kieburtz, K., He, F., Sun, X., Thomas, R. G., et al. (2013) · New England Journal of Medicine · doi:10.1056/nejmoa1210951 · Cited by 1,224
Inhibition of Dll4 signalling inhibits tumour growth by deregulating angiogenesis
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Functional engraftment of colon epithelium expanded in vitro from a single adult Lgr5+ stem cell
Yui, S., Nakamura, T., Sato, T., Nemoto, Y., Mizutani, T., Zheng, X., Ichinose, S., Nagaishi, T., Okamoto, R., Tsuchiya, K., et al. (2012) · Nature Medicine · doi:10.1038/nm.2695 · Cited by 805
Metadata
- Authors
- Wong, G. T., Manfra, D., Poulet, F. M., Zhang, Q., Josien, H., Bara, T., Engstrom, L., Pinzon-Ortiz, M., Fine, J. S., Lee, H.-J. J., Zhang, L., Higgins, G. A., & Parker, E. M.
- Venue
- Journal of Biological Chemistry
- Publisher
- Elsevier BV
- Published
- 2004-03
- Volume
- 279
- Issue
- 13
- Pages
- 12876-12882
- ISSN
- 0021-9258 (ISSN-L)
- OpenAlex
- W2097705657
- Cited by
- 718
- References
- 8
- FWCI
- 22.41
- Type
- journal article
- Language
- en
- Open access
- hybrid
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- Wong, G. T., Manfra, D., Poulet, F. M., Zhang, Q., Josien, H., Bara, T., Engstrom, L., Pinzon-Ortiz, M., Fine, J. S., Lee, H.-J. J., Zhang, L., Higgins, G. A., & Parker, E. M. (2004). Chronic Treatment with the γ-Secretase Inhibitor LY-411,575 Inhibits β-Amyloid Peptide Production and Alters Lymphopoiesis and Intestinal Cell Differentiation. Journal of Biological Chemistry. https://doi.org/10.1074/jbc.m311652200
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