The responses of lungs and adjacent lymph nodes in responding to Yersinia pestis infection: A transcriptomic study using a non-human primate model

PloS One
Nabarun ChakrabortyR Hammamieh

Abstract

Initiation of treatment during the pre-symptomatic phase of Yersinia pestis (Y. pestis) infection is particularly critical. The rapid proliferation of Y. pestis typically couples with the manifestation of common flu-like early symptoms that often misguides the medical intervention. Our study used African green monkeys (AGM) that did not exhibit clear clinical symptoms for nearly two days after intranasal challenge with Y. pestis and succumbed within a day after showing the first signs of clinical symptoms. The lung, and mediastinal and submandibular lymph nodes (LN) accumulated significant Y. pestis colonization immediately after the intranasal challenge. Hence, organ-specific molecular investigations are deemed to be the key to elucidating mechanisms of the initial host response. Our previous study focused on the whole blood of AGM, and we found early perturbations in the ubiquitin-microtubule-mediated host defense. Altered expression of the genes present in ubiquitin and microtubule networks indicated an early suppression of these networks in the submandibular lymph nodes. In concert, the upstream toll-like receptor signaling and downstream NFκB signaling were inhibited at the multi-omics level. The inflammatory response was ...Continue Reading

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Citations

Jul 2, 2021·Computational and Structural Biotechnology Journal·Nabarun ChakrabortyMelissa A Kacena
Nov 19, 2021·PLoS Pathogens·Indra BekereMartin Aepfelbacher

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Datasets Mentioned

BETA
GSE101653

Methods Mentioned

BETA
ubiquitination
Feature Extraction
Assay
ELISA
PCA
GTPase

Software Mentioned

Ingenuity Pathways Analysis platform ( IPA
IPA
Molecule Activity Predictor ( MAP )
GeneSpring
GraphPad Prism

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