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The Molecular Regulation of Dendriti...

Bagley, Joshua A.

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The Molecular Regulation of Dendritic Arbor Shape during Development and Disease.

Record Type:	Electronic resources : Monograph/item
Title/Author:	The Molecular Regulation of Dendritic Arbor Shape during Development and Disease./
Author:	Bagley, Joshua A.
Description:	191 p.
Notes:	Source: Dissertation Abstracts International, Volume: 76-08(E), Section: B.
Contained By:	Dissertation Abstracts International76-08B(E).
Subject:	Neurosciences. -
Online resource:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3689166
ISBN:	9781321682809

The Molecular Regulation of Dendritic Arbor Shape during Development and Disease.
Bagley, Joshua A.

The Molecular Regulation of Dendritic Arbor Shape during Development and Disease. - 191 p.

Source: Dissertation Abstracts International, Volume: 76-08(E), Section: B.

Thesis (Ph.D.)--University of California, San Francisco, 2015.

This item must not be sold to any third party vendors.

The brain is composed of a network of neural cells which have elaborate cellular structures, especially their dendritic arbors. The correct function of neural networks requires the development of specific dendritic arbor shapes, and altered shapes leads to neural dysfunction. Therefore, understanding the molecules which specify dendritic arbor shapes during development is paramount to understanding how dendritic arbors are misshapen during disease. A complex array of genetic factors regulates dendritic arbor morphology. Therefore, using the Drosophila dendritic arborization (da) neurons, we performed a candidate-based genetic screen to identify molecules associated with neurodegenerative disease and brain aging which can regulate dendritic arbor morphology. Among the many screen hits, we discovered a role of the double-bromodomain and extra terminal (BET) family proteins in regulating dendrite arbor complexity and mechanosensory function. Our results identify a novel role for BET family proteins in regulating dendrite morphology, and a possible separation of developmental pathways specifying neural cell morphology and ion channel expression. Since the BET proteins are known to bind acetylated histone tails, these results also suggest a role of epigenetic histone modifications, and the 'histone code,' in regulating dendrite morphology. Finally, we developed a system to study how the expression of disease related molecules can impact mature, already formed, dendritic arbors. Our results indicate that expression of pathogenetic polyglutamine proteins cause a progressive retraction of dendritic branches. This system can be used to study how dendritic arbors are maintained throughout life, and how this maintenance is disrupted during disease.

ISBN: 9781321682809Subjects--Topical Terms:

588700
Neurosciences.

The Molecular Regulation of Dendritic Arbor Shape during Development and Disease.
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020 $a 9781321682809
035 $a (MiAaPQ)AAI3689166
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100 1 $a Bagley, Joshua A. $3 3174727
245 1 4 $a The Molecular Regulation of Dendritic Arbor Shape during Development and Disease.
300 $a 191 p.
500 $a Source: Dissertation Abstracts International, Volume: 76-08(E), Section: B.
500 $a Adviser: Mark Von Zastrow.
502 $a Thesis (Ph.D.)--University of California, San Francisco, 2015.
506 $a This item must not be sold to any third party vendors.
520 $a The brain is composed of a network of neural cells which have elaborate cellular structures, especially their dendritic arbors. The correct function of neural networks requires the development of specific dendritic arbor shapes, and altered shapes leads to neural dysfunction. Therefore, understanding the molecules which specify dendritic arbor shapes during development is paramount to understanding how dendritic arbors are misshapen during disease. A complex array of genetic factors regulates dendritic arbor morphology. Therefore, using the Drosophila dendritic arborization (da) neurons, we performed a candidate-based genetic screen to identify molecules associated with neurodegenerative disease and brain aging which can regulate dendritic arbor morphology. Among the many screen hits, we discovered a role of the double-bromodomain and extra terminal (BET) family proteins in regulating dendrite arbor complexity and mechanosensory function. Our results identify a novel role for BET family proteins in regulating dendrite morphology, and a possible separation of developmental pathways specifying neural cell morphology and ion channel expression. Since the BET proteins are known to bind acetylated histone tails, these results also suggest a role of epigenetic histone modifications, and the 'histone code,' in regulating dendrite morphology. Finally, we developed a system to study how the expression of disease related molecules can impact mature, already formed, dendritic arbors. Our results indicate that expression of pathogenetic polyglutamine proteins cause a progressive retraction of dendritic branches. This system can be used to study how dendritic arbors are maintained throughout life, and how this maintenance is disrupted during disease.
590 $a School code: 0034.
650 4 $a Neurosciences. $3 588700
650 4 $a Cellular biology. $3 3172791
650 4 $a Genetics. $3 530508
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710 2 $a University of California, San Francisco. $b Neuroscience. $3 1267784
773 0 $t Dissertation Abstracts International $g 76-08B(E).
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791 $a Ph.D.
792 $a 2015
793 $a English
856 4 0 $u http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3689166