Understanding the complexity of Epimorphic Regeneration in zebrafish: A Transcriptomic and Proteomic approach.
2021
Genomic and Proteomic changes play a crucial role in perpetuating regeneration of complex tissues through differentiation and growth. The complex Epimorphic regeneration of zebrafish caudal fin tissue is hasty and absolute. This study was executed to understand the role of various genes/proteins involved in the regeneration of zebrafish caudal fin tissue through differential expression analysis. High throughput transcriptomics analysis involving Next Generation Sequencing approach and iTRAQ based quantitative proteomics analyses were performed on the regenerating tissue samples for various regenerating time points. Based on our study 1408 genes and 661 proteins were found differentially regulated in the regenerating caudal fin tissue for having at least 1-log fold change in their expression at 12hpa, 1, 2, 3 and 7dpa stages against control non-regenerating tissue. Interleukin, SLC, PRMT, HOX, neurotransmitter and several novel genes were found to be associated with regeneration for its differential regulation during the mechanism. Based on the network and pathway analysis the differentially regulated genes and proteins were found allied with activation of cell proliferation, cell viability, cell survival & cell movement and inactivation of organismal death, morbidity, necrosis, death of embryo & cell death. Network pathways such as Cancer & development disorder, Cell signaling molecular transport, organismal injury & abnormalities and Cellular development, growth & proliferation were found most significantly associated with the zebrafish caudal fin regeneration mechanism. This study has mapped a detailed insight of the genes/proteins expression associated with the epimorphic regeneration more profoundly.
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