NDLI: Reprogramming the posttranslational code of SRC-3 confers a switch in mammalian systems biology

Content Provider	PubMed Central
Author	York, Brian Yu, Chundong Sagen, Jørn V. Liu, Zhaoliang Nikolai, Bryan C. Wu, Ray-chang Finegold, Milton Xu, Jianming O'malley, Bert W.
Abstract	Here we demonstrate that reprogramming steroid receptor coactivator-3 (SRC-3) function by changing its posttranslational modification (PTM) code drastically influences systems biology. These findings support the physiological importance of PTMs in directing in vivo functions of a master coregulator. We previously reported that the transactivation potential of SRC-3 is controlled in part by PTMs, although this data emanated from in vitro studies. To test the physiological implications of PTMs on SRC-3, we developed a knock-in mouse model containing mutations at four conserved phosphorylation sites. These mice displayed a systems biology phenotype with increased body weight and adiposity, coupled with reduced peripheral insulin sensitivity. Collectively, these phenotypes result from increased IGF1 signaling, due to elevated IGFBP3 levels. We provide convincing evidence that these mutations in SRC-3 promoted enhanced transcription of the IGFBP3 gene and globally influenced growth and metabolism. Consequently, these mice displayed increased liver tumorigenesis, which likely results from elevated IGF1 signaling.
Related Links	http://dx.doi.org/10.1073/pnas.1005262107
Starting Page	11122
File Format	PDF
ISSN	10916490
e-ISSN	10916490
Journal	Proceedings of the National Academy of Sciences of the United States of America
Issue Number	24
Volume Number	107
Language	English
Publisher	National Academy of Sciences
Publisher Date	2010-06-15
Access Restriction	Open
Rights Holder	National Academy of Sciences
Subject Keyword	Research in Higher Education
Content Type	Text
Resource Type	Article
Subject	Multidisciplinary

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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