NONHSAT021826

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Annotated Information

Name

SNHG1: Small nucleolar RNA host gene 1.

Alias symbols : UHG, NCRNA00057, LINC00057, lncRNA16

Characteristics

Spliced transcript with a number of short exons (>40bp) and snoRNA containing introns (Tycowski (1996)).
Transcriptional start site has characteristics of 5' TOP gene family (Tycowski (1996)).
~1.1kb transcript in human (Tycowski (1996)).
Contains 8 (maybe 9) snoRNAs in human, 8 in mouse (Tycowski (1996)).

Function

Knockdown of SNHG1 inhibited proliferation of PC9 cells in vitro and also inhibited tumor growth in xenograft mouse models. Overexpression of SNHG1 promoted the proliferation of A549 cells in vitro and also promoted tumor growth in xenograft mouse models. Specifically, SNHG1 promoted G2/M transition by regulating cyclin B1 transcription((Zhu 2017)).

Disease

Gastric cancer

Early-stage lung cancer((Zhu 2017))

Expression

Localised to the cytoplasm and associates with ribosomes ((Pelczar 1998)).

RNA unstable in both human and mouse cells ((Tycowski 1996), (Friedel 2009), (Clark 2012)), can be stabilised by inhibition of protein synthesis. This suggests SNHG1 may be sensitive to nonsense-mediated decay and could be therefore be "translated" but perhaps only to degrade it ((Tycowski 1996)).

Up-regulated during lineage restriction of neural stem cells into bipotent neuronal/oligodendrocyte progenitors in vitro ((Mercer 2010)).

SNHG1 is up-regulated in gastric cancer(Cao 2013)).

SNHG1 was highly expressed in the lung cancer tissues and plasma and was detected at different stages of the disease, including the early stage((Zhu 2017)).

Experiment Forward primer Reverse primer
Quantitative real-time PCR 5'-GATGACAGTCTGCCTCTATCTTAC- 3' 5'-CTTTGAGCCAAGCAGGTTATTG- 3'((Zhu 2017))

Conservation

Mouse SNHG1 is in a syntenic position with the human host gene. However, there is little conservation of exonic sequence compared to intronic snoRNA sequence (Tycowski (1996), Tanaka-Fujita (2007)).

Misc

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Transcriptomic Nomeclature

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Regulation

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Allelic Information and Variation

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Evolution

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Labs working on this lncRNA

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References

Annotation originally sourced from lncRNAdb.

Basic Information

Transcript ID

NONHSAT021826

Source

NONCODE4.0

Same with

,

Classification

intergenic

Length

1134 nt

Genomic location

chr11-:62619460..62623360

Exon number

11

Exons

62619460..62620153,62620283..62620311,62620547..62620587,62621024..62621062,62621273..62621305,62621490..62621536,62621991..62622023,62622360..62622410,62622605..62622688,62622896..62622938,62623337..62623360

Genome context

Sequence
000001 GTTCTCATTT TTCTACTGCT CGTGGATTTA CGCGCACGTT GGAACCGAAG AGAGCTCTGT TGTTGCAATG TTCAGCCCAC 000080
000081 AAGAGCTTAC TGGTGAAGGA ATGGGACAAG ACCCATCTTT ATGCAAAGCC AGCGTTACAG TAATGTTCCA GCATCTCATA 000160
000161 ATCTATCCTG GGGAATTCAG CTGCCTCCCA GGGTGAATAC AGGTATTCCT GATGACAGTC TGCCTCTATC TTACAGAGCA 000240
000241 GCTTGTTGCT ATATACCATT GAAAAGCCTT CAGAGCTGAG AGGTACTACT AACCAATAAC CTGCTTGGCT CAAAGGGCCA 000320
000321 GCACCTTCTC TCTAAAGCCC AAGAGGAGTT TGAGGAAAAC TAGGTGTCTG TGTTCACTCC AGGCTGAAGT TACAGGTCTG 000400
000401 AGCAAATAAG GTGTATAAAA AATGGAATCT GTCTTGGAGG ACATCAGAAG GTGAATTTTC CAAGTTCTTG GACAACCTAG 000480
000481 CTGTTGAAAA GCTTTCTGGG TTTGGGGGGT ATTTCAGATG TACCTTAAAG TGTTAGCAGA CACAGATTAA GACACTGGGA 000560
000561 GCCAATGAAA CAGCAGTTGA GGGTTTGCTG TGTATCACAT TTCTGTATTT TATCACCCCC TTCCTGCAAC ATTATTTATC 000640
000641 TGGAATCTAC CTGCCCTTTT GTTTTTTAGA TACAAGGGCT TGGTTTTGTT ACCCAGGCTG GTTTCAAGGC CATAGCTTTA 000720
000721 AGAGATCCTC TCACCACAGA TTTCCAAAGT GCTGGGATTG CAGGTGTGAT TCATGGCACC CAGACTTTGC TGCCTTTCTT 000800
000801 ACATGATCCA GGCCCAGAAC CCAAACTCAG GCACTGTATA GATGACCACT TTCGTAAACT ACTGACCTAG CTTGTTGCCA 000880
000881 ATTGTTGATT GAACTTCCCA TAACTCCACT TCGTGTCTGT TCCTCTGTAT ACAGCCACCT TCTGTTCCCG TCATGAGCCT 000960
000961 TTAGGTCTCC ATTTGCATAT TGCAAATACT ATGTTCCATG TAGGTAGCTC ATTCAGGGCC TTGCTCTTCA CTTCAAAAAA 001040
001041 GGTTCCCTTG AGGACTGGCT GTCAATTTGT GTTGCTGTGT TGGTTGTTGA TGAAAATAAT AAAATGATTG ATTACATAAA 001120
001121 AAAAAAAAAA AAAA
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