Netpath

NetPath[1] is a manually curated resource of human signal transduction pathways. It is a joint effort between Pandey Lab at the Johns Hopkins University and the Institute of Bioinformatics (IOB), Bangalore, India,[2] and is also worked on by other parties.

NetPath
Content
Descriptioncurated signal transduction pathways.
Contact
LaboratoryInstitute of Bioinformatics
Primary citationKandasamy & al. (2010)[1]
Release date2010
Access
Websitehttp://www.netpath.org

NetPath hosts 45 signaling pathways, including 10 pathways with a major role in the regulation of immune system and 10 pathways with relevance to regulation of cancer.

Overview

The 45 pathways contain information pertaining to protein-protein interactions, enzyme-protein substrate reactions which bring about post translational modifications (PTMs) and also a catalogue of genes which are differentially regulated upon activation of specific ligand mediated receptor pathways. The molecules which localises to different cellular organelles due to their PTMs or specific protein-protein interactions which occur downstream of ligand-receptor mediated pathway are available under translocation events. Recently, NetPath has also curated the molecules involved in the transcriptional regulation of genes in the context of immune signaling pathways. The reactions in NetPath are curated by PhD level scientists from experimental evidence available in published research articles. NetPath also contains textual description of its reactions with information on PTMs, dependence of PTMs on various signaling reactions, subcellular location, protein interaction domains or motifs and the cell type or cell line in which reactions are proved. The information in NetPath is linked to their corresponding research articles and are frequently updated. Each pathway is subjected to different level of internal quality checks and peer-review by the pathway experts and authorities.

Development

NetPath was developed using PathBuilder, an open source software application for annotating and developing pathway resources.[3] PathBuilder enables annotation of molecular events including protein-protein interactions, enzyme-substrate relationships and protein translocation events via manual or automatic methods. The features of PathBuilder include automatic validation of data formats, built-in modules for visualizing pathways, automated import of data from other pathway resources, export of data in several standard data exchange formats and an application programming interface for retrieving pathway datasets.

Data availability

All 45 pathways are freely downloadable in BioPAX, PSI-MI and SBML formats. BioPAX is an emerging standard for pathway data exchange. The pathways are made available under an adaptive Creative Commons License 2.5 which stipulates that the pathways may be used if adequate credit is given to the authors.

Immune signaling pathways

The following immune signaling pathways are hosted by Netpath:

Cancer signaling pathways

The cancer signaling pathways were developed in collaboration with the Computational Biology Center at Memorial Sloan–Kettering Cancer Center and with Bader Lab at the University of Toronto for the "Cancer Cell Map". The following cancer signaling pathways are hosted by Netpath:

Current statistics
Curated pathways 45
Molecules involved 1,053
Physical interactions 2,448
Genes transcriptionally regulated 7,401
Transport 284
Enzyme catalysis 1,597
PubMed citations 2,228

Community participation programme

The community participation programme is aimed at training the students in various universities from India on curation of pathway reactions. This is a joint programme led by the Institute of Bioinformatics, Bangalore, India with active participation from Dr. Akhilesh Pandey's laboratory at the Johns Hopkins University (USA) and Gary Bader's lab at the University of Toronto, Canada. Currently, students from 3 major Indian Universities namely Pondicherry University, University of Pune and University of Mysore are participants of this community effort.

References
  1. Kandasamy, Kumaran; Mohan, Sujatha; Raju, Rajesh; Keerthikumar, Shivakumar; Kumar, Ghantasala S Sameer; Venugopal, Abhilash K; Telikicherla, Deepthi; Navarro, Daniel J; Mathivanan, Suresh (2010). "NetPath: a public resource of curated signal transduction pathways". Genome Biology. 11 (1): R3. doi:10.1186/gb-2010-11-1-r3. PMC 2847715. PMID 20067622.
  2. Dr. Akhilesh Pandey's laboratory
  3. Kandasamy, K.; Keerthikumar, S.; Raju, R.; Keshava Prasad, T. S.; Ramachandra, Y. L.; Mohan, S.; Pandey, A. (2009). "PathBuilder--open source software for annotating and developing pathway resources". Bioinformatics. 25 (21): 2860–2. doi:10.1093/bioinformatics/btp453. PMC 2781757. PMID 19628504.
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