CERNA2

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Annotated Information

Name

CERNA2:competing endogenous lncRNA 2 for microRNA let-7b

HOST2[1]

Characteristics

HOST2 is a novel member of the family of long non-coding mRNA-like genes, 2.9 kb in length, without an obvious open reading frame (ORF)[1]

Function

HOST2 promotes tumor cell migration, invasion and proliferation in epithelial ovarian cancer [1]. HOST2 harbors a let-7b binding site and inhibits let-7b functions post-transcriptionally, thus regulating cell growth and motility [1].

In human hepatocellular carcinoma (HCC) cell line SMMC-7721, HOST2 is found to promote cell proliferation, migration and invasion, and inhibit cell apoptosis [2].

Regulation

Let-7b can bind to HOST2 and represse HOST2 expression in EOC [1].

Disease

Ovarian cancer[1]

Hepatocellular carcinoma[2]

Expression

HOST2 is obviously upregulated in an EOC-derived cell line, OVCAR-3, compared with the other tested cell lines, including MKN28, Huh-7, HepG2, McF-7, DU145, A357, MG63, Hep-2, ARK2 and HeLa [1].

In hepatocellular carcinoma (HCC) tissues, the expression of HOST2 is up-regulated by approximately 2–10 times [2], and expression level of HOST2 is correlated with the size, quantity, distant metastasis and American Joint Committee on Cancer (AJCC) staging and differentiation degree of the tumour [2].

Sequence

>NR_134505.1 Homo sapiens competing endogenous lncRNA 2 for microRNA let-7b (CERNA2), long non-coding RNA

000001 CAGTAGCTTG CCGATGCTCC CAGCTGAATA AAGCCCTGCC TTCTACAACT CAGTGTCTGA GAGGTTTTGT CTGCGGCTCA 000080
000081 CCCTGCTACA TTTCTTGGTT CCCTGACTGG GAAACGAGGT GACTGACGGA TGGCCGAGGC AGCCCCTTAG GCGGCTTAGG 000160
000161 CCTGCCCTGT GGAGCATCCG TGAGGGGAAC TCCGGCCAGC CTGAGTGACG TGATCCAAAG AGCGCTCCCG GGTAGGCAAT 000240
000241 TGCCCCAATG GAACGCCTTG CCAGAGCAGC GTGTAGCAGG CCCCCACGGA AGATTAACAC AGTGGCTGAA CACCAGGAAG 000320
000321 GAACTGGCAC TTGGAGTCCG GACATCTACA ACTTGGCCCA ACCACCGAGA CCACCCTTAA ACATCAGTAG ACTGGGAGCT 000400
000401 GTACGTGGAT GGGAGCAGCT TTGCCAACCC TTGCAAAGTG ACTCTGAAGA AGACGACAAG CCTTGTTCCG GTCACACCCG 000480
000481 GAAGCTGACT GGTTCACGCA TGGCCGAAGC ATGAGGAAAC TCATCGCGGG AATAATTTTC CTTAAAATTT GGACTTGTAC 000560
000561 AGTAAGGACT TCAACTGACC TTATGCTAAG CTGCCTGATC AGTGGACAGG TAGCTGTGTA ATTGGACAGG TAGCTGTGTA 000640
000641 ATTGGCACCA TTAAGCCATC TTTCTTCTTA CTGCCAATAA AAACAGGTGA ACTTCTAGGC TTCCTAGTCT ATGCTTCCCG 000720
000721 TGAAAAATGA AGCATAGCCA TAGGTGATTA GAAAATAATG AATGGCCCCC TGAAAGAATC ATACAATACT ATAGACCCAC 000800
000801 CACTTAGGCA CAAGATGGCT CATGAGGATA TCGAACCCCC ATCTACATGC TCAACCGAAT CATACAGTTA CAAGCGGTTT 000880
000881 TAGAAATTAT TACTAATAAA ACCGGTCAAG CCTTGACTGT TCTTGCCCGG CAAGAGACTC TGATGAGAAA TTTTATCTAT 000960
000961 CAAAATATAC TAGCTCTTGA CTACTTGCTA GCAGCTGAAG GAGAAGTTTG TAAAAAATTT AACCTTACTA ATTGTTGTCT 001040
001041 ACACATAAAT GATTAAGGGC AAGTAGTTAA AAATATAGTT AAAGATATAA CAAAACTGGC ACATGTACCC ATGCAAGTGT 001120
001121 GGCATGGGCT CAATCCGGGA GCCATGTTTG CAAATTGGTT CCCAGCAATG AAAAAATTTA AAACTCTTAT AATAAGAGTA 001200
001201 ATAATAGTAA TAGAAACCTG CTTACTGCTC CTTTGTCTGA TACCTGTATT TCTCCAAATG ATAAAAAACT TTGTCACGAC 001280
001281 CTTAGTTCAC CAAAATGCTT TAGCAGAAGC ATACTATATA AATCACTATC AATCTATTGC ACAAAAAGAC ATAAGTAGCA 001360
001361 AAAATAAGAC TCAGAACTCC CACTAATAAA AACTGAGAGT CTCAAAGGGG GGAAATGAGG GAAGAGAGAG AGACCCTCTC 001440
001441 ATATTGTTTT ATATTGTTTT ATACTCAGTA CCTCTTTTAA GAAAAAGTGA CAAGGAAGTA AAACCAAAGA CAGGCAGCCT 001520
001521 GGTGCCAGGC CTGAAACCAG GCCTGGGCCT GTCTGGCCTA AACCCAGTAG TTAAAAATCA ACTCATAACT TAGAAACTGA 001600
001601 TGTTATTCAT AGATTCCAGA CATTGTATAG AAGAACATTG TGAAACTCCC TGCCCTGTTC TGTTTCTCTC TGACCACTGG 001680
001681 TGCATGCAGC CCCTGTCATG TACCGCCTGC TTGCTCAAAT CAATCACGAC CCTTTCATGT GAAATCTTTA GTGTTGTGAG 001760
001761 CCCTTAAAAG GGACAGAAAT TGAGTATTTG GGGAGCTTGG ATTTTAAGGC AGTAGCTTGC TGATGCTCCC AGCTGAATAA 001840
001841 AGCCCTTCCT TCCACAAAAA AAAAAAAAAA AAAAA


Labs working on this lncRNA

  • Chinese PLA General Hospital, Beijing 100853, China Changhai Hospital of Second Military Medical University, Shanghai 200433, China.[1]
  • Department of Hepatobiliary Surgery, The Second Hospital of Hebei Medical University, Shijiazhuang 050051, P.R. China.[2]

References

  1. 1.0 1.1 1.2 1.3 1.4 1.5 1.6 1.7 Gao Y, Meng H, Liu S, Hu J, Zhang Y, Jiao T, Liu Y, Ou J, Wang D, Yao L, Liu S, Hui N. LncRNA-HOST2 regulates cell biological behaviors in epithelial ovarian cancer through a mechanism involving microRNA let-7b. Hum Mol Genet. 2015 Feb 1;24(3):841-52.
  2. 2.0 2.1 2.2 2.3 2.4 Liu RT, Cao JL, Yan CQ, Wang Y, An CJ, Lv HT. Effects of LncRNA-HOST2 on cell proliferation, migration, invasion and apoptosis of human hepatocellular carcinoma cell line SMMC-7721. Biosci Rep. 2017 Apr 20;37(2).
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