Genes regulated by mitoflash
Ontology highlight
ABSTRACT:
ORGANISM(S): Mus musculus
PROVIDER: GSE73049 | GEO | 2015/09/16
SECONDARY ACCESSION(S): PRJNA296000
REPOSITORIES: GEO
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Project description:We found mitoflash has function in reprogramming. So we examined the genes expression after activation of mitoflash during somatic cell reprogramming. There are two ways to improve the mitoflash. First we overexpressed CypD, a mPTP component, to improve the mitoflash. Second we used the durgs, mastoparan and paraquat to increase the mitoflash. The MEF cells were reprogrammed, and treatment with mastoparan, paraquat or overexpressed with CypD. After activation of mitoflash at different times, the cells were collected for RNA-Seq. MEF cells were reprogrammed and expressed with CypD and Flag (as control) for 4 days. The cells were collected for RNA-Seq (Samples: Falg-D4, CypD-D4). MEF cells were reprogrammed and treated with mastoparan and paraquat for 8 days. The cells were collected for RNA-Seq (Samples: control-D8, mastoparan-D8 and paraquat-D8).
2015-09-16 | E-GEOD-73049 | biostudies-arrayexpress
Project description:we examine the genes expression after activation of mitoflash. The MEF were expressed with CypD or treated with paraquat and mastoparan. RNA was harvested using Trizol reagent. Illumina TruSeq RNA Sample Prep Kit was used with 1 ug of total RNA for the construction of sequencing libraries.RNA libraries were prepared for sequencing using standard Illumina protocols.Sequenced reads were trimmed for adaptor sequence, and masked for low-complexity or low-quality sequence, then mapped to mm10 whole genome using bowtie2-2.2.5 with parameters -p 8 --bowtie2 -sensitivity-level very_sensitive.
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Project description:Transmissible gastroenteritis virus (TGEV), a member of coronavirus, is the pathogen of TGE. We previously found 123 circular RNAs (circRNAs) were differential expression during activation of mitochondrial permeability transition in porcine intestinal epithelial cells-jejunum 2 cell line (IPEC-J2) in response to TGEV infection. Mitochondrial permeability transition pore (mPTP) is a transmembrane pore of mitochondria and plays a key role in MPT. mPTP abnormal opening causes MPT. Therefore, we postulated that circRNAs might be related to mPTP abnormal opening induced by TGEV. In this study, we found that circBIRC6-2 could inhibit the mPTP abnormal opening induced by TGEV. Interestingly, circBIRC6-2 encodes protein BIRC6-236aa. An open reading frame (ORF) and internal ribosomal entrance site (IRES) of circBIRC6-2 were identified. We also found that BIRC6-236aa rather than circBIRC6-2 inhibited the mPTP opening by overexpression of circBIRC6-2 related vectors. We obtained 91 proteins that interacted with BIRC6-236aa using immunoprecipitation-mass spectrometry (IP-MS). The interaction between voltage-dependent anion-selective channel protein 1 (VDAC1) and BIRC6-236aa was demonstrated through co-immunoprecipitation (Co-IP). Moreover, BIRC6-236aa could inhibit the formation of VDAC1 and Cyclophilin D (CypD) complexes. Overall, these results indicated that BIRC6-236aa antagonized mPTP opening by interacting with VDAC1 to weaken the extent of interaction between VDAC1 and CypD.
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Project description:We report the miRNA profiling in MEF cells, ES cells and three Pluripotent Stem Cells obtained by three different reprogramming approaches from MEF cells based on Solexa sequencing. iPS cells are reprogrammed by four factors (OSKM) from MEF cells. NT-ESCs were established by reprogramming MEF cells into ESCs using nuclear transfer. NT-iPSCs were established to reflect the combination of nuclear transfer and iPS technologies. iPSCs, NT-ESCs, and NT-iPSCs were exactly derived from the same MEF cells. The results indicate NT-ESCs give expression to the unique miRNAs other than both ESCs and iPSCs while pluripotent cells acquire or retain the pluripotent specific miRNAs compared with MEF. Furthermore, the comparison of different reprogramming cells suggests that several miRNAs have key roles in distinctly developmental potential reprogrammine cells. Small RNA profiles of MEF, ES, iPS, NT-ES and NT-iPS cells were generated by Solexa sequencing. MEF and ES cells were performed in triplicate. iPS, NT-ES and NT-iPS cells were sequenced in duplicate.
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