C. elegans protein interaction network analysis probes RNAi validated pro-longevity effect of nhr-6, a human homolog of tumor suppressor Nr4a1

Bashir A. Akhoon, Shishir K. Gupta, Sudeep Tiwari, Laxmi Rathor, Aakanksha Pant, Nivedita Singh, Shailendra K. Gupta, Thomas Dandekar, Rakesh Pandey

Research output: Contribution to journalArticlepeer-review

8 Scopus citations

Abstract

Protein-protein interaction (PPI) studies are gaining momentum these days due to the plethora of various high-throughput experimental methods available for detecting PPIs. Proteins create complexes and networks by functioning in harmony with other proteins and here in silico network biology hold the promise to reveal new functionality of genes as it is very difficult and laborious to carry out experimental high-throughput genetic screens in living organisms. We demonstrate this approach by computationally screening C. elegans conserved homologs of already reported human tumor suppressor and aging associated genes. We select by this nhr-6, vab-3 and gst-23 as predicted longevity genes for RNAi screen. The RNAi results demonstrated the pro-longevity effect of these genes. Nuclear hormone receptor nhr-6 RNAi inhibition resulted in a C. elegans phenotype of 23.46% lifespan reduction. Moreover, we show that nhr-6 regulates oxidative stress resistance in worms and does not affect the feeding behavior of worms. These findings imply the potential of nhr-6 as a common therapeutic target for aging and cancer ailments, stressing the power of in silico PPI network analysis coupled with RNAi screens to describe gene function.

Original languageEnglish
Article number15711
JournalScientific Reports
Volume9
Issue number1
DOIs
StatePublished - 1 Dec 2019
Externally publishedYes

ASJC Scopus subject areas

  • General

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