دورية أكاديمية
LRP1 regulates peroxisome biogenesis and cholesterol homeostasis in oligodendrocytes and is required for proper CNS myelin development and repair.
العنوان: | LRP1 regulates peroxisome biogenesis and cholesterol homeostasis in oligodendrocytes and is required for proper CNS myelin development and repair. |
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المؤلفون: | Lin JP; Department of Cell and Developmental Biology, University of Michigan School of Medicine, Ann Arbor, MI, United States., Mironova YA; Cellular and Molecular Biology Graduate Program, University of Michigan Medical School, Ann Arbor, MI, United States., Shrager P; Department of Neuroscience, University of Rochester Medical Center, Rochester, NY, United States., Giger RJ; Department of Cell and Developmental Biology, University of Michigan School of Medicine, Ann Arbor, MI, United States.; Cellular and Molecular Biology Graduate Program, University of Michigan Medical School, Ann Arbor, MI, United States.; Department of Neurology, University of Michigan Medical School, Ann Arbor, MI, United States.; Interdepartmental Neuroscience Graduate Program, University of Michigan Medical School, Ann Arbor, MI, United States. |
المصدر: | ELife [Elife] 2017 Dec 18; Vol. 6. Date of Electronic Publication: 2017 Dec 18. |
نوع المنشور: | Journal Article; Research Support, Non-U.S. Gov't |
اللغة: | English |
بيانات الدورية: | Publisher: eLife Sciences Publications, Ltd Country of Publication: England NLM ID: 101579614 Publication Model: Electronic Cited Medium: Internet ISSN: 2050-084X (Electronic) Linking ISSN: 2050084X NLM ISO Abbreviation: Elife Subsets: MEDLINE |
أسماء مطبوعة: | Original Publication: Cambridge, UK : eLife Sciences Publications, Ltd., 2012- |
مواضيع طبية MeSH: | Homeostasis* , Organelle Biogenesis*, Cholesterol/*metabolism , Myelin Sheath/*metabolism , Oligodendrocyte Precursor Cells/*physiology , Peroxisomes/*metabolism , Receptors, LDL/*metabolism , Tumor Suppressor Proteins/*metabolism, Animals ; Cell Differentiation ; Cells, Cultured ; Low Density Lipoprotein Receptor-Related Protein-1 ; Mice |
مستخلص: | Low-density lipoprotein receptor-related protein-1 (LRP1) is a large endocytic and signaling molecule broadly expressed by neurons and glia. In adult mice, global inducible ( Lrp1 flox/flox ;CAG-CreER ) or oligodendrocyte (OL)-lineage specific ablation ( Lrp1 flox/flox ;Pdgfra-CreER ) of Lrp1 attenuates repair of damaged white matter. In oligodendrocyte progenitor cells (OPCs), Lrp1 is required for cholesterol homeostasis and differentiation into mature OLs. Lrp1- deficient OPC/OLs show a strong increase in the sterol-regulatory element-binding protein-2 yet are unable to maintain normal cholesterol levels, suggesting more global metabolic deficits. Mechanistic studies revealed a decrease in peroxisomal biogenesis factor-2 and fewer peroxisomes in OL processes. Treatment of Lrp1 -/- OPCs with cholesterol or activation of peroxisome proliferator-activated receptor-γ with pioglitazone alone is not sufficient to promote differentiation; however, when combined, cholesterol and pioglitazone enhance OPC differentiation into mature OLs. Collectively, our studies reveal a novel role for Lrp1 in peroxisome biogenesis, lipid homeostasis, and OPC differentiation during white matter development and repair. |
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معلومات مُعتمدة: | R01 NS081281 United States NS NINDS NIH HHS; T32 GM007315 United States GM NIGMS NIH HHS; T32 HD007505 United States HD NICHD NIH HHS |
فهرسة مساهمة: | Keywords: CNS Myelin Repair; Cholesterol Homeostasis; LRP1; Oligodendrocyte differentiation; Peroxisome Biogenesis; mouse; neuroscience |
المشرفين على المادة: | 0 (Low Density Lipoprotein Receptor-Related Protein-1) 0 (Lrp1 protein, mouse) 0 (Receptors, LDL) 0 (Tumor Suppressor Proteins) 97C5T2UQ7J (Cholesterol) |
تواريخ الأحداث: | Date Created: 20171219 Date Completed: 20180822 Latest Revision: 20201209 |
رمز التحديث: | 20221213 |
مُعرف محوري في PubMed: | PMC5752207 |
DOI: | 10.7554/eLife.30498 |
PMID: | 29251594 |
قاعدة البيانات: | MEDLINE |
تدمد: | 2050-084X |
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DOI: | 10.7554/eLife.30498 |