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Search results 201 to 300 out of 403 for Sars

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Type Details Score
Protein Coding Gene
Type: protein_coding_gene
Organism: Mus pahari
Protein Coding Gene
Type: protein_coding_gene
Organism: Mus spretus
GXD Expression    
Probe: MGI:5140769
Assay Type: Western blot
Annotation Date: 2011-08-29
Strength: Present
Sex: Not Specified
Emaps: EMAPS:1610515
Stage: TS15
Assay Id: MGI:5141293
Age: embryonic day 9.5
Image: 1
Specimen Label: E9.5
Detected: true
Specimen Num: 1
GXD Expression    
Probe: MGI:5140769
Assay Type: Western blot
Annotation Date: 2011-08-29
Strength: Present
Sex: Not Specified
Emaps: EMAPS:1610523
Stage: TS23
Assay Id: MGI:5141293
Age: embryonic day 15.5
Image: 1
Specimen Label: E15.5
Detected: true
Specimen Num: 2
GXD Expression    
Probe: MGI:5140769
Assay Type: Western blot
Annotation Date: 2011-08-29
Strength: Present
Sex: Not Specified
Emaps: EMAPS:1610526
Stage: TS26
Assay Id: MGI:5141293
Age: embryonic day 18.5
Image: 1
Specimen Label: E18.5
Detected: true
Specimen Num: 3
GXD Expression    
Probe: MGI:5140769
Assay Type: Western blot
Annotation Date: 2011-08-29
Strength: Present
Sex: Not Specified
Emaps: EMAPS:1610528
Stage: TS28
Assay Id: MGI:5141293
Age: postnatal day 24
Image: 1
Specimen Label: P24
Detected: true
Specimen Num: 5
GXD Expression    
Probe: MGI:5140769
Assay Type: Western blot
Annotation Date: 2011-08-29
Strength: Present
Sex: Not Specified
Emaps: EMAPS:1610528
Stage: TS28
Assay Id: MGI:5141293
Age: postnatal week 6
Image: 1
Specimen Label: 6 Wks
Detected: true
Specimen Num: 6
GXD Expression    
Probe: MGI:5140769
Assay Type: Western blot
Annotation Date: 2011-08-29
Strength: Present
Sex: Not Specified
Emaps: EMAPS:1610528
Stage: TS28
Assay Id: MGI:5141293
Age: postnatal adult
Image: 1
Specimen Label: Adult
Detected: true
Specimen Num: 7
GXD Expression    
Probe: MGI:5140764
Assay Type: RT-PCR
Annotation Date: 2011-08-30
Strength: Present
Sex: Not Specified
Emaps: EMAPS:1610523
Stage: TS23
Assay Id: MGI:5141413
Age: embryonic day 15.5
Image: 1
Specimen Label: E15.5
Detected: true
Specimen Num: 1
GXD Expression    
Probe: MGI:5140764
Assay Type: RT-PCR
Annotation Date: 2011-08-30
Strength: Present
Sex: Not Specified
Emaps: EMAPS:1610527
Stage: TS27
Assay Id: MGI:5141413
Age: postnatal day 0
Image: 1
Specimen Label: P0
Detected: true
Specimen Num: 2
GXD Expression    
Probe: MGI:5140764
Assay Type: RT-PCR
Annotation Date: 2011-08-30
Strength: Present
Sex: Not Specified
Emaps: EMAPS:1610528
Stage: TS28
Assay Id: MGI:5141413
Age: postnatal day 16
Image: 1
Specimen Label: P16
Detected: true
Specimen Num: 3
GXD Expression    
Probe: MGI:5140764
Assay Type: RT-PCR
Annotation Date: 2011-08-30
Strength: Present
Sex: Not Specified
Emaps: EMAPS:1610528
Stage: TS28
Assay Id: MGI:5141413
Age: postnatal adult
Image: 1
Specimen Label: Adult
Detected: true
Specimen Num: 4
GXD Expression    
Probe: MGI:5140769
Assay Type: Western blot
Annotation Date: 2011-08-30
Strength: Present
Sex: Not Specified
Emaps: EMAPS:1731528
Stage: TS28
Assay Id: MGI:5141414
Age: postnatal day 9
Image: 1
Specimen Label: LA
Detected: true
Specimen Num: 1
GXD Expression    
Probe: MGI:5140769
Assay Type: Western blot
Annotation Date: 2011-08-30
Strength: Present
Sex: Not Specified
Emaps: EMAPS:1733728
Stage: TS28
Assay Id: MGI:5141414
Age: postnatal day 9
Image: 1
Specimen Label: LV
Detected: true
Specimen Num: 2
GXD Expression    
Probe: MGI:5140769
Assay Type: Western blot
Annotation Date: 2011-08-30
Strength: Present
Sex: Not Specified
Emaps: EMAPS:1731528
Stage: TS28
Assay Id: MGI:5141414
Age: postnatal adult
Image: 1
Specimen Label: LA
Detected: true
Specimen Num: 3
GXD Expression    
Probe: MGI:5140769
Assay Type: Western blot
Annotation Date: 2011-08-30
Strength: Present
Sex: Not Specified
Emaps: EMAPS:1733728
Stage: TS28
Assay Id: MGI:5141414
Age: postnatal adult
Image: 1
Specimen Label: LV
Detected: true
Specimen Num: 4
GXD Expression    
Probe: MGI:5141512
Assay Type: RT-PCR
Annotation Date: 2011-08-30
Strength: Present
Sex: Not Specified
Emaps: EMAPS:1733728
Stage: TS28
Assay Id: MGI:5141416
Age: postnatal
Image: S1
Specimen Label: LV
Detected: true
Specimen Num: 2
GXD Expression    
Probe: MGI:5141513
Assay Type: RT-PCR
Annotation Date: 2011-08-30
Strength: Present
Sex: Not Specified
Emaps: EMAPS:1733728
Stage: TS28
Assay Id: MGI:5141417
Age: postnatal
Image: S1
Specimen Label: LV
Detected: true
Specimen Num: 4
GXD Expression    
Probe: MGI:5140764
Assay Type: RT-PCR
Annotation Date: 2011-08-30
Strength: Present
Sex: Not Specified
Emaps: EMAPS:1733728
Stage: TS28
Assay Id: MGI:5141418
Age: postnatal adult
Image: S1
Specimen Label: None
Detected: true
Specimen Num: 2
GXD Expression    
Probe: MGI:5140764
Assay Type: RT-PCR
Annotation Date: 2011-08-30
Strength: Present
Sex: Not Specified
Emaps: EMAPS:1733728
Stage: TS28
Assay Id: MGI:5141418
Age: postnatal adult
Image: S1
Specimen Label: None
Detected: true
Specimen Num: 3
GXD Expression    
Probe: MGI:5141420
Assay Type: RT-PCR
Annotation Date: 2011-08-30
Strength: Present
Sex: Not Specified
Emaps: EMAPS:1733728
Stage: TS28
Assay Id: MGI:5141419
Age: postnatal adult
Image: S1
Specimen Label: None
Detected: true
Specimen Num: 2
GXD Expression    
Probe: MGI:5140769
Assay Type: Western blot
Annotation Date: 2011-08-30
Strength: Present
Sex: Not Specified
Emaps: EMAPS:1610528
Stage: TS28
Assay Id: MGI:5141421
Age: postnatal adult
Image: S2
Specimen Label: g MuRF2 A
Detected: true
Specimen Num: 1
GXD Expression    
Probe: MGI:5141312
Assay Type: Western blot
Annotation Date: 2011-08-30
Strength: Present
Sex: Not Specified
Emaps: EMAPS:1610528
Stage: TS28
Assay Id: MGI:5141422
Age: postnatal adult
Image: S2
Specimen Label: r HPC
Detected: true
Specimen Num: 2
GXD Expression    
Probe: MGI:5141314
Assay Type: Western blot
Annotation Date: 2011-08-30
Strength: Present
Sex: Not Specified
Emaps: EMAPS:1610528
Stage: TS28
Assay Id: MGI:5141423
Age: postnatal adult
Image: S2
Specimen Label: HP60
Detected: true
Specimen Num: 3
GXD Expression    
Probe: MGI:5140769
Assay Type: Western blot
Annotation Date: 2011-08-30
Strength: Present
Sex: Not Specified
Emaps: EMAPS:1610515
Stage: TS15
Assay Id: MGI:5141424
Age: embryonic day 9.5
Image: S2
Specimen Label: E9.5
Detected: true
Specimen Num: 1
GXD Expression    
Probe: MGI:5140769
Assay Type: Western blot
Annotation Date: 2011-08-30
Strength: Present
Sex: Not Specified
Emaps: EMAPS:1610522
Stage: TS22
Assay Id: MGI:5141424
Age: embryonic day 14.5
Image: S2
Specimen Label: E14.5
Detected: true
Specimen Num: 2
GXD Expression    
Probe: MGI:5140769
Assay Type: Western blot
Annotation Date: 2011-08-30
Strength: Present
Sex: Not Specified
Emaps: EMAPS:1610524
Stage: TS24
Assay Id: MGI:5141424
Age: embryonic day 16.5
Image: S2
Specimen Label: E16.5
Detected: true
Specimen Num: 3
GXD Expression    
Probe: MGI:5140769
Assay Type: Western blot
Annotation Date: 2011-08-30
Strength: Present
Sex: Not Specified
Emaps: EMAPS:1610526
Stage: TS26
Assay Id: MGI:5141424
Age: embryonic day 18.5
Image: S2
Specimen Label: E18.5
Detected: true
Specimen Num: 4
GXD Expression    
Probe: MGI:5140769
Assay Type: Western blot
Annotation Date: 2011-08-30
Strength: Present
Sex: Not Specified
Emaps: EMAPS:1610527
Stage: TS27
Assay Id: MGI:5141424
Age: postnatal day 0
Image: S2
Specimen Label: P0
Detected: true
Specimen Num: 5
GXD Expression    
Probe: MGI:5140769
Assay Type: Western blot
Annotation Date: 2011-08-30
Strength: Present
Sex: Not Specified
Emaps: EMAPS:1610528
Stage: TS28
Assay Id: MGI:5141424
Age: postnatal day 4
Image: S2
Specimen Label: P4
Detected: true
Specimen Num: 6
GXD Expression    
Probe: MGI:5140769
Assay Type: Western blot
Annotation Date: 2011-08-30
Strength: Present
Sex: Not Specified
Emaps: EMAPS:1610528
Stage: TS28
Assay Id: MGI:5141424
Age: postnatal day 8
Image: S2
Specimen Label: P8
Detected: true
Specimen Num: 7
GXD Expression    
Probe: MGI:5140769
Assay Type: Western blot
Annotation Date: 2011-08-30
Strength: Present
Sex: Not Specified
Emaps: EMAPS:1610528
Stage: TS28
Assay Id: MGI:5141424
Age: postnatal day 16
Image: S2
Specimen Label: P16
Detected: true
Specimen Num: 8
GXD Expression    
Probe: MGI:5140769
Assay Type: Western blot
Annotation Date: 2011-08-30
Strength: Present
Sex: Not Specified
Emaps: EMAPS:1610528
Stage: TS28
Assay Id: MGI:5141424
Age: postnatal day 21
Image: S2
Specimen Label: P21
Detected: true
Specimen Num: 9
GXD Expression    
Probe: MGI:5140769
Assay Type: Western blot
Annotation Date: 2011-08-30
Strength: Present
Sex: Not Specified
Emaps: EMAPS:1610528
Stage: TS28
Assay Id: MGI:5141424
Age: postnatal adult
Image: S2
Specimen Label: Adult
Detected: true
Specimen Num: 10
GXD Expression    
Probe: MGI:5140769
Assay Type: Western blot
Annotation Date: 2011-08-30
Strength: Absent
Sex: Not Specified
Emaps: EMAPS:1610526
Stage: TS26
Assay Id: MGI:5141428
Age: embryonic day 18.5
Image: S2
Specimen Label: E18.5
Detected: false
Specimen Num: 1
GXD Expression    
Probe: MGI:5140769
Assay Type: Western blot
Annotation Date: 2011-08-30
Strength: Absent
Sex: Not Specified
Emaps: EMAPS:1610527
Stage: TS27
Assay Id: MGI:5141428
Age: postnatal day 0
Image: S2
Specimen Label: P0
Detected: false
Specimen Num: 2
GXD Expression    
Probe: MGI:5140769
Assay Type: Western blot
Annotation Date: 2011-08-30
Strength: Absent
Sex: Not Specified
Emaps: EMAPS:1610528
Stage: TS28
Assay Id: MGI:5141428
Age: postnatal day 4
Image: S2
Specimen Label: P4
Detected: false
Specimen Num: 3
GXD Expression    
Probe: MGI:5140769
Assay Type: Western blot
Annotation Date: 2011-08-30
Strength: Absent
Sex: Not Specified
Emaps: EMAPS:1610528
Stage: TS28
Assay Id: MGI:5141428
Age: postnatal day 8
Image: S2
Specimen Label: P8
Detected: false
Specimen Num: 4
GXD Expression    
Probe: MGI:5140769
Assay Type: Western blot
Annotation Date: 2011-08-30
Strength: Absent
Sex: Not Specified
Emaps: EMAPS:1610528
Stage: TS28
Assay Id: MGI:5141428
Age: postnatal day 16
Image: S2
Specimen Label: P16
Detected: false
Specimen Num: 5
GXD Expression    
Probe: MGI:5140769
Assay Type: Western blot
Annotation Date: 2011-08-30
Strength: Present
Sex: Not Specified
Emaps: EMAPS:1610528
Stage: TS28
Assay Id: MGI:5141428
Age: postnatal day 21
Image: S2
Specimen Label: P21
Detected: true
Specimen Num: 6
GXD Expression    
Probe: MGI:5140769
Assay Type: Western blot
Annotation Date: 2011-08-29
Strength: Present
Sex: Not Specified
Emaps: EMAPS:1610528
Stage: TS28
Assay Id: MGI:5141293
Age: postnatal day 9
Image: 1
Specimen Label: P9
Detected: true
Specimen Num: 4
GXD Expression
Probe: MGI:5140769
Assay Type: Immunohistochemistry
Annotation Date: 2011-08-30
Strength: Present
Sex: Not Specified
Emaps: EMAPS:3268813
Pattern: Regionally restricted
Stage: TS13
Assay Id: MGI:5141415
Age: embryonic day 8.5
Image: 2A
Note: Expression is in the ballooning regions of the heart tube.
Specimen Label: 2A
Detected: true
Specimen Num: 1
GXD Expression  
Probe: MGI:5140769
Assay Type: Immunohistochemistry
Annotation Date: 2011-08-30
Strength: Present
Sex: Not Specified
Emaps: EMAPS:3268813
Pattern: Not Specified
Stage: TS13
Assay Id: MGI:5141415
Age: embryonic day 8.5
Image: 2B
Specimen Label: 2B
Detected: true
Specimen Num: 2
GXD Expression  
Probe: MGI:5140769
Assay Type: Immunohistochemistry
Annotation Date: 2011-08-30
Strength: Strong
Sex: Not Specified
Emaps: EMAPS:3268815
Pattern: Not Specified
Stage: TS15
Assay Id: MGI:5141415
Age: embryonic day 9.5
Image: 2C
Specimen Label: 2C
Detected: true
Specimen Num: 3
GXD Expression  
Probe: MGI:5140769
Assay Type: Immunohistochemistry
Annotation Date: 2011-08-30
Strength: Strong
Sex: Not Specified
Emaps: EMAPS:3268815
Pattern: Not Specified
Stage: TS15
Assay Id: MGI:5141415
Age: embryonic day 9.5
Image: 2D
Specimen Label: 2D
Detected: true
Specimen Num: 4
GXD Expression  
Probe: MGI:5140769
Assay Type: Immunohistochemistry
Annotation Date: 2011-08-30
Strength: Present
Sex: Not Specified
Emaps: EMAPS:3268817
Pattern: Not Specified
Stage: TS17
Assay Id: MGI:5141415
Age: embryonic day 10.5
Image: 2E
Specimen Label: 2E
Detected: true
Specimen Num: 5
GXD Expression  
Probe: MGI:5140769
Assay Type: Immunohistochemistry
Annotation Date: 2011-08-30
Strength: Present
Sex: Not Specified
Emaps: EMAPS:3268817
Pattern: Not Specified
Stage: TS17
Assay Id: MGI:5141415
Age: embryonic day 10.5
Image: 2F
Specimen Label: 2F
Detected: true
Specimen Num: 6
GXD Expression
Probe: MGI:5140769
Assay Type: Immunohistochemistry
Annotation Date: 2011-08-30
Strength: Present
Sex: Not Specified
Emaps: EMAPS:3268813
Pattern: Not Specified
Stage: TS13
Assay Id: MGI:5141415
Age: embryonic day 8.5
Image: 3A
Note: Higher magnification was shown in the inset.
Specimen Label: 3A
Detected: true
Specimen Num: 7
GXD Expression  
Probe: MGI:5140769
Assay Type: Immunohistochemistry
Annotation Date: 2011-08-30
Strength: Present
Sex: Not Specified
Emaps: EMAPS:3268815
Pattern: Not Specified
Stage: TS15
Assay Id: MGI:5141415
Age: embryonic day 9.5
Image: 3B
Specimen Label: 3B
Detected: true
Specimen Num: 8
GXD Expression  
Probe: MGI:5140769
Assay Type: Immunohistochemistry
Annotation Date: 2011-08-30
Strength: Present
Sex: Not Specified
Emaps: EMAPS:3268815
Pattern: Not Specified
Stage: TS15
Assay Id: MGI:5141415
Age: embryonic day 9.5
Image: 3C
Specimen Label: 3C
Detected: true
Specimen Num: 9
GXD Expression
Probe: MGI:5140769
Assay Type: Immunohistochemistry
Annotation Date: 2011-08-30
Strength: Present
Sex: Not Specified
Emaps: EMAPS:3268815
Pattern: Not Specified
Stage: TS15
Assay Id: MGI:5141415
Age: embryonic day 9.5
Image: 3D
Note: Higher magnification was shown in the inset.
Specimen Label: 3D
Detected: true
Specimen Num: 10
Gene
Type: gene
Organism: human
Gene
Type: gene
Organism: human
Publication  
First Author: Pekosz A
Year: 2006
Journal: Adv Exp Med Biol
Title: Structure, expression, and intracellular localization of the SARS-CoV accessory proteins 7a and 7b.
Volume: 581
Pages: 115-20
Publication
First Author: Yuan X
Year: 2006
Journal: Mol Cells
Title: Mitochondrial location of severe acute respiratory syndrome coronavirus 3b protein.
Volume: 21
Issue: 2
Pages: 186-91
Publication  
First Author: Yuan X
Year: 2005
Journal: Virol J
Title: G0/G1 arrest and apoptosis induced by SARS-CoV 3b protein in transfected cells.
Volume: 2
Pages: 66
Publication
First Author: Yuan X
Year: 2005
Journal: Virus Res
Title: Nucleolar localization of non-structural protein 3b, a protein specifically encoded by the severe acute respiratory syndrome coronavirus.
Volume: 114
Issue: 1-2
Pages: 70-9
Publication
First Author: Zhou P
Year: 2012
Journal: J Gen Virol
Title: Bat severe acute respiratory syndrome-like coronavirus ORF3b homologues display different interferon antagonist activities.
Volume: 93
Issue: Pt 2
Pages: 275-281
Publication
First Author: Kopecky-Bromberg SA
Year: 2007
Journal: J Virol
Title: Severe acute respiratory syndrome coronavirus open reading frame (ORF) 3b, ORF 6, and nucleocapsid proteins function as interferon antagonists.
Volume: 81
Issue: 2
Pages: 548-57
Protein Domain
Type: Family
Description: This family contains the SARS coronavirus 3b protein which is predominantly localized in the nucleolus, and induces G0/G1 arrest and apoptosis in transfected cells [, ]. SARS-CoV mRNA 3 encodes the distinct proteins ORF3a and ORF3b proteins, which are translated in different reading frames. SARS-CoV accessory protein ORF3b antagonizes interferon (IFN) function by modulating the activity of IFN regulatory factor 3 (IRF3). The IFN system functions as the first line of defense against viral infection in mammalian cells. Viral infection triggers a series of cellular events that lead to the production of IFN and several downstream antiviral genes, helping to establish an antiviral state. Viruses encode IFN antagonists to counteract the antiviral effects of IFN. SARS-CoV ORF3b, ORF6, and N proteins function as IFN antagonists. ORF3b inhibits both IFN synthesis and signaling [, ]. It localizes to the nucleus in transfected cells [].
Protein Domain
Type: Family
Description: This entry corresponds to ORF7b (also known as accessory protein 7b, NS7B, and 7b) from human SARS coronavirus (SARS-CoV) and SARS-CoV-2, which belong to the betacoronavirus B lineage (Sarbecovirus) [].ORF7b/NS7b from betacoronavirus in the B lineage are not related to NS7b proteins from other betacoronavirus lineages. The SARS-CoV ORF7b protein is a highly hydrophobic 43 amino acid protein which is homologous to an accessory but structural component of SARS-CoV virion. While ORF7b is packaged into virions, it is not required for the virus budding process, as gene 7 deletion viruses replicate efficiently in vitro and in vivo. Moreover, ORF7b possesses a transmembrane helical domain (TMD), between 9-29 amino acid residues, is necessary for its Golgi complex localization, as replacing it with the TMD from the human endoprotease furin results in aberrant localization [, ].
Protein Domain
Type: Homologous_superfamily
Description: This entry represents the EndoU-like endoribonucleases from a variety of organisms that range from viruses to humans. The founding member XendoU is a uridylate-specific, divalent cation-dependent enzyme that produces molecules with 2',3'-cyclic phosphate ends [, ]. The human EndoU, known as PP11, is a endoribonuclease with placental tissue specificity [].In human SARS coronavirus, EndoU (also known as NSP15) is part of the replicase-transcriptase complex that plays important roles in virus replication and transcription. NSP15 is a Uridylate-specific endoribonuclease that cleaves the 5'-polyuridines from negative-sense viral RNA, termed PUN RNA [], either upstream or downstream of uridylates, at GUU or GU to produce molecules with 2',3'-cyclic phosphate ends []. PUN RNA is a CoV MDA5-dependent pathogen-associated molecular pattern (PAMP) [].
Protein Domain
Type: Homologous_superfamily
Description: All coronaviruses such as the SARS virus and the Middle East Respiratory Syndrome (MERS) virus encode in their genomes at least one papain-like protease (PLpro) enzyme which cleaves the viral replicase polyproteins at three sites releasing non-structural protein NSP1, NSP2 and NSP3. PLpro also possesses deubiquitinating and deISGylating activities. These have been suggested to suppress the host antiviral response by counteracting the post-translational modification of signalling molecules that activate the innate immune response. PLpro is made up of an N-terminal ubiquitin-like domain (found in many ubiquitin-specific proteases or USPs) and a C-terminal catalytic domain containing a right-handed fingers, palm, and thumb domain organisation [, , , ].This superfamily represents the N-terminal ubiquitin-like domain of the papain-like viral protease from alpha and betacoronavirus. It has a β-grasp fold [].
Protein Domain
Type: Homologous_superfamily
Description: All coronaviruses such as the SARS virus and the Middle East Respiratory Syndrome (MERS) virus encode in their genomes at least one papain-like protease (PLpro) enzyme which cleaves the viral replicase polyproteins at three sites releasing non-structural protein NSP1, NSP2 and NSP3. PLpro also possesses deubiquitinating and deISGylating activities. These have been suggested to suppress the host antiviral response by counteracting the post-translational modification of signalling molecules that activate the innate immune response. PLpro is made up of an N-terminal ubiquitin-like domain (found in many ubiquitin-specific proteases or USPs) and a C-terminal catalytic domain containing a right-handed fingers, palm, and thumb domain organisation [, , , ].This entry represents the thumb domain of the papain-like viral protease from coronavirus. It consists of 6 α-helices in MERS-CoV []and 4 α-helices in SARS-CoV [].
Publication
First Author: Ratia K
Year: 2014
Journal: PLoS Pathog
Title: Structural Basis for the Ubiquitin-Linkage Specificity and deISGylating activity of SARS-CoV papain-like protease.
Volume: 10
Issue: 5
Pages: e1004113
Protein Domain
Type: Family
Description: This entry represents the ORF8 immunoglobulin (Ig) domain protein of Severe acute respiratory syndrome (SARS) coronavirus 2 (SARS-CoV-2, also known as a 2019 novel coronavirus, 2019-nCoV) and related Sarbecovirus ORF8 proteins.ORF8 is an accessory protein that is not shared by all members of subgenus sarbecovirus. The presence and location of ORF8 in the SARS-CoV-2 genome has led its classification with SARS-CoV [, ]. ORF8 is a potential pathogenicity factor which evolves rapidly to counter the immune response and facilitate the transmission between hosts []. ORF8 has been suggested to be one of the relevant genes in the study of human adaptation of the virus [, ].The ORF8 protein is a fast-evolving protein in SARS-related CoVs, with a tendency to recombine and undergo deletions. During the early phases of the SARS (SARS-CoV) epidemic in 2002, human isolates were found to possess a unique continuous ORF8 with 366 nucleotides and a predicted protein with 122 amino acids. During the middle and late phases of the SARS epidemic, two functional ORFs (ORF8a and ORF8b) were emerged; they are predicted to encode two small proteins, 8a with 39 amino acids and 8b with 84 amino acids. Interestingly, SARS-CoV-2 ORF8 has not undergone any significantly measurable deletion events, so its function as a full-length protein might be more important to its pathogenicity []. ORF8 plays a role in modulating host immune response []which may act by down-regulating major histocompatibility complex class I (MHC-I) []. It may inhibit expression of some members of the IFN-stimulated gene (ISG) family including hosts IGF2BP1/ZBP1, MX1 and MX2, and DHX58 []. ORF8 also binds to IL17RA receptor, leading to IL17 pathway activation and an increased secretion of pro-inflammatory factors, contributing to cytokine storm during COVID-19 infection [].
Publication      
First Author: Schafer A
Year: 2021
Journal: bioRxiv
Title: Common mechanism of SARS-CoV and SARS-CoV-2 pathogenesis across species.
Publication
First Author: Imai Y
Year: 2005
Journal: Nature
Title: Angiotensin-converting enzyme 2 protects from severe acute lung failure.
Volume: 436
Issue: 7047
Pages: 112-6
Publication
First Author: Hashimoto T
Year: 2012
Journal: Nature
Title: ACE2 links amino acid malnutrition to microbial ecology and intestinal inflammation.
Volume: 487
Issue: 7408
Pages: 477-81
Publication
First Author: Frieman MB
Year: 2010
Journal: PLoS Pathog
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