Published from the June 2007 Situation of PLoS Genetics
Open Access
Research Article
Author Summary
Type two diabetes mellitus at the moment impacts an incredible number of individuals. It can be clinically characterized by insulin resistance moreover to an impaired glucose response and linked to several difficulties such as heart condition, stroke, neuropathy, and kidney failure, amid other individuals. Correct identification of the underlying molecular mechanisms with the condition or its difficulties is an important research problem that could result in novel diagnostics and therapy. The primary challenge stems from your truth that insulin resistance is a complicated problem and affects a multitude of biological processes, metabolic networks, and signaling pathways. Within this report, the authors produce a network-based methodology that appears to get a lot more sensitive than prior techniques in detecting deregulated molecular processes in a very disorder state. The methodology unveiled that equally insulin signaling and nuclear receptor networks are consistently and differentially expressed in many versions of insulin resistance. The good outcomes suggest this sort of network-based diagnostic technologies hold promise as possibly useful clinical and study resources sooner or later.
Jump to
Abstract Top
Type 2 diabetes mellitus is really a advanced problem related to multiple genetic, epigenetic, developmental, and environmental factors. Animal models of sort 2 diabetes differ primarily based on diet, drug treatment, and gene knockouts, and yet all display the medical hallmarks of hyperglycemia and insulin resistance in peripheral tissue. The recent advances in gene-expression microarray technologies present an unprecedented opportunity to study sort two diabetes mellitus at a genome-wide scale and across different versions. To date, a key challenge has been to identify the biological processes or signaling pathways that play significant roles from the condition. Here, using a network-based analysis methodology,
Windows 7 Starter, we identified two sets of genes, associated with insulin signaling and a network of nuclear receptors, which are recurrent within a statistically significant number of diabetes and insulin resistance types and transcriptionally altered across diverse tissue types. We additionally identified a network of protein–protein interactions between members in the two gene sets that may facilitate signaling between them. Taken together, the outcomes illustrate the benefits of integrating high-throughput microarray studies, together with protein–protein interaction networks, in elucidating the underlying biological processes linked to a advanced disorder.
Writer Summary Top
Type 2 diabetes mellitus at the moment affects numerous people. It's clinically characterized by insulin resistance in addition to an impaired glucose response and connected with quite a few issues including heart disease, stroke, neuropathy,
Office Pro Plus 2007, and kidney failure, amongst other individuals. Exact identification of the underlying molecular mechanisms of your disease or its problems is an important study dilemma that can bring about novel diagnostics and treatment. The main challenge stems from the fact that insulin resistance is a complex problem and impacts a multitude of biological processes, metabolic networks,
Windows 7 Home Premium Key, and signaling pathways. In this report, the authors produce a network-based methodology that appears to become a lot more delicate than prior techniques in detecting deregulated molecular processes within a disorder state. The methodology revealed that each insulin signaling and nuclear receptor networks are regularly and differentially expressed in many designs of insulin resistance. The beneficial benefits suggest this sort of network-based diagnostic technologies hold guarantee as potentially beneficial clinical and investigation tools sooner or later.
Citation: Liu M, Liberzon A, Kong SW, Lai WR, Park PJ, et al. (2007) Network-Based Analysis of Affected Biological Processes in Sort 2 Diabetes Types. PLoS Genet 3(6): e96. doi:10.1371/journal.pgen.0030096
Editor: Kathleen Kerr, University of Washington, United States of America
Received: December 19, 2006; Accepted: May 1, 2007; Published: June 15, 2007
Copyright: © 2007 Liu et al. This is surely an open-access report distributed under the terms of your Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original writer and source are credited.
Funding: ML, AL, and SK were supported in part by National Science Foundation grant number ITR-048715 and National Human Genome Study Institute grant number R01 HG003367-01A1. PJP was supported in part by National Institute of General Medical Sciences grant number K25-GM67825. ISK was supported in part by National Institute of Diabetes and Digestive and Kidney Diseases DGAP grant number TO1DK60837-01A1. This work was supported in part by the National Institutes of Health National Center for Biomedical Computing grant number 5U54LM008748–02.
Competing interests: The authors have declared that no competing interests exist.
Abbreviations: DEA, hypergeometric enrichment test on differentially expressed genes; DGAP,
Microsoft Office 2010 Professional Plus, Diabetes Genome Anatomy Project; DM2, sort two diabetes mellitus; GNEA, gene network enrichment analysis; GO, gene ontology; GSEA, gene-set enrichment analysis; HNF4A, hepatocyte nuclear factor 4 alpha 1; HPRD, Human Protein Reference Database; HSN, high-scoring subnetwork; IS-HD,
Microsoft Office Ultimate 2007, insulin-signaling gene set used from the analysis of the DGAP dataset and the HPRD protein–protein interactions; NR-HD, nuclear receptor signaling gene set used inside the analysis from the DGAP dataset and the HPRD protein–protein interactions
* To whom correspondence should be addressed. E-mail: manwayl@bu.edu (ML); kasif@bu.edu (SK)
# These authors contributed equally to this work.