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http://krishi.icar.gov.in/jspui/handle/123456789/27683
Title: | In silico prediction of short hairpin and in vitro silencing of activin receptor type IIB in chicken embryo fibroblasts by RNA interference |
Other Titles: | Not Available |
Authors: | Guru Vishnu, P., Bhattacharya, T.K., Bhushan, B., Kumar, P., Chatterjee, R.N., Paswan, C., Dushyanth, K., Divya, D. and Rajendra Prasad, A. |
ICAR Data Use Licennce: | http://krishi.icar.gov.in/PDF/ICAR_Data_Use_Licence.pdf |
Author's Affiliated institute: | ICAR::Directorate of Poultry Research |
Published/ Complete Date: | 2019-06-01 |
Project Code: | Not Available |
Keywords: | Muscle growth ACTRIIB Secondary structures Thermodynamic parameters Gene expression Gene silencing |
Publisher: | Not Available |
Citation: | Not Available |
Series/Report no.: | Not Available; |
Abstract/Description: | Gene silencing by RNA interference is extensively used reverse genetic approach to analyse the implications of any gene in mammalian systems. The silencing of the Activin type IIB receptor belonging to transforming growth factor beta superfamily has demonstrated increase in muscle growth in many species. We designed five short hairpin RNA constructs targeting coding region of chicken ACTRIIB. All the shRNAs were transfected into chicken embryo fibroblast cells and evaluated their silencing efficiency by real time PCR and western blotting. Initially the computational analysis of target region and shRNA constructs was undertaken to predict sequence based features (secondary structures, GC% and H-b index) and thermodynamic features (ΔGoverall, ΔGduplex, ΔGbreak−target, ΔGintra−oligomer, ΔGinter−oligomer and ΔΔGends). We determined that all these predicted features were associated with shRNA efficacy. The invitro analysis of shRNA constructs exhibited significant (P < 0.05) reduction in the levels of ACTRIIB at mRNA and protein level. The knock down efficiency of shRNAs varied significantly (P < 0.001) from 83% (shRNA 1) to 43% (shRNA 5). All the shRNAs up regulated the myogenic pathway associated genes (MyoD and MyoG) significantly (P < 0.05). There was significant (P < 0.05) up-regulation of IFNA, IFNB and MHCII transcripts. The ACTRIIB expression was inversely associated with the expression of myogenic pathway and immune response genes. The anti ACTRIIB shRNA construct 1 and 3 exhibited maximum knock down efficiency with minimal interferon response, and can be used for generating ACTRIIB knockdown chicken with higher muscle mass. |
Description: | Not Available |
ISSN: | Not Available |
Type(s) of content: | Research Paper |
Sponsors: | Not Available |
Language: | English |
Name of Journal: | Molecular Biology Reports |
NAAS Rating: | 7.4 |
Volume No.: | 46 |
Page Number: | 2947-2959 |
Name of the Division/Regional Station: | Not Available |
Source, DOI or any other URL: | DOI https://doi.org/10.1007/s11033-019-04756-0 https://link.springer.com/article/10.1007%2Fs11033-019-04756-0 |
URI: | http://krishi.icar.gov.in/jspui/handle/123456789/27683 |
Appears in Collections: | AS-DPR-Publication |
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