The human identical sequence (HIS) is a sequence of RNA elements, 24-27 nucleotides in length, that coronavirus genomes share with the human genome .[ 1] In pathogenic progression, HIS acts as a NamiRNA (nuclear activating miRNA) through the NamiRNA-enhancer network to activate neighboring host genes.[ 2] [ 3] The first HIS elements was identified in the SARS-CoV-2 genome, which has five HIS elements; other human coronaviruses have one to five.[ 1] It has been suggested that these sequences can be more generally termed "host identical sequences" since similar correlations have been found between the genome of SARS-CoV-2 and multiple potential hosts (bats , pangolins , ferrets, and cats).[ 1]
SARS-CoV-2
name
length
sequence
location in virus genome
location in human genome
neighboring genes
note
HIS-SARS2-1
26
UGUCUAUGCUAAUGGAGGUAAAGGCU
7570–7595 in ORF1a
Chr3 : 124017420-124017395
KALRN
HIS-SARS2-2
24
UAUAACACAUATAAAAAUACGUGU
12494–12517 in ORF1a
Chr3 : 176597319-176597342
HIS-SARS2-3
24
UUAUAUGCCUUAUUUCUUUACUUU
6766–6789 in ORF1a
Chr5 : 28949255-28949232
HIS-SARS2-4
27
AGGAGAAUGACAAAAAAAAAAAAAAAA
29860–29886 in 3' UTR
Chr18 : 73670168-73670142
FBXO15 , TIMM21 [uk ] , CYB5A
same as HIS-SARS1-2
HIS-SARS2-5
24
UUGUUGCUGCUAUUUUCUAUUUAA
8610–8633 in ORF1a
ChrX : 99693480-99693457
SARS-CoV-1
name
length
sequence
location in virus genome
location in human genome
neighboring genes
note
HIS-SARS-1
25
UAACAUGCUUAGGAUAAUGGCCUCU
15251–15275 in ORF1b
Chr4 : 172887105–172887129Chr8 : 122356667-122356690
HAS2 , ZHX2
HIS-SARS-2
27
AGGAGAAUGACAAAAAAAAAAAAAAAA
29717–29743 in 3' UTR
Chr18 : 73670168-73670142
same as HIS-SARS2-4
MERS-CoV
name
length
sequence
location in virus genome
location in human genome
neighboring genes
note
HIS-MERS-1
24
UUCCAUUUGCACAGAGUAUCUUUU
24364–24387 in S
ChrX : 25635779-25635802
HCoV-HKU1
name
length
sequence
location in virus genome
location in human genome
neighboring genes
note
HIS-HKU1-1
24
UUAGAAUUGUUCAAAUGUUAUCUG
18656-18679
chr1 :106816197-106816220
HIS-HKU1-2
24
UUUUCUAAGAAAGAUUGGUAUGAU
14044-14067
chr1 :226438633-226438656chr4 :151100495-151100518chr5 :79284823-79284846chr5 :111192947-111192970chr7 :94695722-94695745chr7 :98386489-98386512chr15 :59768424-59768447chr22 :30137367-30137390
HIS-HKU1-3
24
AUUUGACUUUAAAUCUUCAUACUA
26693-26716
chr4 :11718458-11718481
HIS-HKU1-4
24
GAUUGGUUGUAUUUUCAUUUUUAU
23527-23550
chr4 :33759646-33759669
HIS-HKU1-5
24
UAGAUACUGUUAUUUUUAAAAAUA
19844-19867
chrX :81711130-81711153
HCoV-NL63
name
length
sequence
location in virus genome
location in human genome
neighboring genes
note
HIS-NL63-1
24
UUAUGAUUUUGGUGAUUUUGUUGU
13044-13067
chr1 :215311768-215311791
HIS-NL63-2
24
GGUGUUUUUGUUGAUGAUGUUGUU
14920-14943
chr4 :28254452-28254475
HIS-NL63-3
24
AUAGGCUUAAAUGCUUCUGUUACU
20754-20777
chr6 :30469931-30469954
HIS-NL63-4
24
AAGUAAUUGUAUUAAGAUGUUAUC
12124-12147
chr7 :19853545-19853568
HIS-NL63-5
24
AACUUUUAUGAUUUUGGUGAUUUU
13039-13062
chr9 :1525276-1525299
HCoV-OC43
name
length
sequence
location in virus genome
location in human genome
neighboring genes
note
HIS-OC43-1
24
UACAGCUCUUUGUAAAUCUGGUAG
22827-22850
chr8 :122471006-122471029
HAS2, ZHX2
HIS-OC43-2
24
UUGUAUGAGUGAUUUUAUGAGUGA
24509-24532
chr13 :30510223-30510246
HCoV-229E
name
length
sequence
location in virus genome
location in human genome
neighboring genes
note
HIS-229E-1
24
AAUAUUUUAACAGUACCACGUUAU
19817-19840
chr8 :42865576-42865599
HIS-229E-2
24
ACUUUGUAUUGUGUCCUCCUGGAA
13139-13162
chr11 :112451251-112451274
References
^ a b c Li, W; Yang, S; Xu, P; Zhang, D; Tong, Y; Chen, L; Jia, B; Li, A; Lian, C; Ru, D; Zhang, B; Liu, M; Chen, C; Fu, W; Yuan, S; Gu, C; Wang, L; Li, W; Liang, Y; Yang, Z; Ren, X; Wang, S; Zhang, X; Song, Y; Xie, Y; Lu, H; Xu, J; Wang, H; Yu, W (February 2022). "SARS-CoV-2 RNA elements share human sequence identity and upregulate hyaluronan via NamiRNA-enhancer network" . EBioMedicine . 76 : 103861. doi :10.1016/j.ebiom.2022.103861 . PMC 8811534 . PMID 35124429 .
^ Yang, S; Ling, Y; Zhao, F; Li, W; Song, Z; Wang, L; Li, Q; Liu, M; Tong, Y; Chen, L; Ru, D; Zhang, T; Zhou, K; Zhang, B; Xu, P; Yang, Z; Li, W; Song, Y; Xu, J; Zhu, T; Shan, F; Yu, W; Lu, H (18 March 2022). "Hymecromone: a clinical prescription hyaluronan inhibitor for efficiently blocking COVID-19 progression" . Signal Transduction and Targeted Therapy . 7 (1): 91. doi :10.1038/s41392-022-00952-w . PMC 8931182 . PMID 35304437 .
^ Xiao M, Li J, Li W, Wang Y, Wu F, Xi Y, Zhang L, Ding C, Luo H, Li Y, Peng L, Zhao L, Peng S, Xiao Y, Dong S, Cao J, Yu W (October 2017). "MicroRNAs activate gene transcription epigenetically as an enhancer trigger" . RNA Biology . 14 (10): 1326– 1334. doi :10.1080/15476286.2015.1112487 . PMC 5711461 . PMID 26853707 .