Details for: PARP8

Gene ID: 79668

Gene Type:  Protein-coding  - A gene that serves as a template for producing a messenger RNA (mRNA) molecule, which is then translated into a functional protein.

Symbol: PARP8

Ensembl ID: ENSG00000151883

Description: poly(ADP-ribose) polymerase family member 8

Cell Significance Landscape

Associated with

Significant Cells

Cell Significance Index (CSI) scores for the chosen context(s)

  • VIP GABAergic cortical interneuron CL4023016
    CSI 34.83
    rCSI 41.61%
    PRS 29.81
  • sncg GABAergic cortical interneuron CL4023015
    CSI 32.68
    rCSI 52.56%
    PRS 31.95
  • L2/3-6 intratelencephalic projecting glutamatergic neuron CL4023040
    CSI 28.08
    rCSI 68.24%
    PRS 29
  • L4 intratelencephalic projecting glutamatergic neuron CL4030063
    CSI 24.27
    rCSI 58.05%
    PRS 34.85
  • L6b glutamatergic cortical neuron CL4023038
    CSI 24.07
    rCSI 75.24%
    PRS 31.07
  • mature T cell CL0002419
    CSI 23.84
    rCSI 18.55%
    PRS 62.22
  • lung secretory cell CL1000272
    CSI 23.35
    rCSI 57.8%
    PRS 43.34
  • L2/3 intratelencephalic projecting glutamatergic neuron CL4030059
    CSI 21.79
    rCSI 47.27%
    PRS 35.78
  • L5/6 near-projecting glutamatergic neuron CL4030067
    CSI 21.43
    rCSI 70.42%
    PRS 34.37
  • sst GABAergic cortical interneuron CL4023017
    CSI 20.27
    rCSI 26.13%
    PRS 30.76
  • pvalb GABAergic cortical interneuron CL4023018
    CSI 19.44
    rCSI 24.19%
    PRS 28.35
  • L5 extratelencephalic projecting glutamatergic cortical neuron CL4023041
    CSI 19.44
    rCSI 69.96%
    PRS 28.76
  • CD4-positive helper T cell CL0000492
    CSI 18.14
    rCSI 13.72%
    PRS 57.66
  • mature NK T cell CL0000814
    CSI 17.41
    rCSI 22.26%
    PRS 76.47
  • duct epithelial cell CL0000068
    CSI 16.07
    rCSI 23.52%
    PRS 48.41
  • ependymal cell CL0000065
    CSI 15.75
    rCSI 31.96%
    PRS 28.12
  • chandelier pvalb GABAergic cortical interneuron CL4023036
    CSI 15.55
    rCSI 48.64%
    PRS 33.34
  • lung resident memory CD8-positive, alpha-beta T cell CL4033039
    CSI 15.03
    rCSI 38.89%
    PRS 75.41
  • class switched memory B cell CL0000972
    CSI 15.03
    rCSI 11.22%
    PRS 63.77
  • activated type II NK T cell CL0000931
    CSI 14.25
    rCSI 16.03%
    PRS 61.7
  • glioblast CL0000030
    CSI 14.21
    rCSI 22.67%
    PRS 39.29
  • neuron CL0000540
    CSI 12.68
    rCSI 33.78%
    PRS 37.6
  • corticothalamic-projecting glutamatergic cortical neuron CL4023013
    CSI 12.34
    rCSI 72.68%
    PRS 31.22
  • IgG plasma cell CL0000985
    CSI 11.54
    rCSI 13.83%
    PRS 64.43
  • retinal bipolar neuron CL0000748
    CSI 10.55
    rCSI 19.77%
    PRS 35.3
  • GABAergic amacrine cell CL4030027
    CSI 10.5
    rCSI 35.96%
    PRS 36.86
  • B cell CL0000236
    CSI 10.22
    rCSI 13.68%
    PRS 74.31
  • naive T cell CL0000898
    CSI 9.77
    rCSI 6.8%
    PRS 58.17
  • mucosal invariant T cell CL0000940
    CSI 9.64
    rCSI 7.79%
    PRS 55.87
  • central nervous system neuron CL2000029
    CSI 9.38
    rCSI 68.98%
    PRS 33.57
  • precursor B cell CL0000817
    CSI 9.22
    rCSI 8.08%
    PRS 54.96
  • CD4-positive, alpha-beta memory T cell CL0000897
    CSI 9.1
    rCSI 6.53%
    PRS 58.28
  • Kupffer cell CL0000091
    CSI 8.88
    rCSI 20.31%
    PRS 44.72
  • near-projecting glutamatergic cortical neuron CL4023012
    CSI 8.86
    rCSI 33.47%
    PRS 30.78
  • alveolar adventitial fibroblast CL4028006
    CSI 8.31
    rCSI 13.12%
    PRS 46.36
  • caudal ganglionic eminence derived cortical interneuron CL4023064
    CSI 8.27
    rCSI 14.61%
    PRS 28.89
  • CD8-positive, alpha-beta memory T cell, CD45RO-positive CL0001203
    CSI 8.14
    rCSI 9.86%
    PRS 40.26
  • CD14-positive monocyte CL0001054
    CSI 8.13
    rCSI 10.13%
    PRS 56.51
  • macroglial cell CL0000126
    CSI 8.06
    rCSI 20.72%
    PRS 47.82
  • CD8-positive, alpha-beta memory T cell CL0000909
    CSI 8.02
    rCSI 8.38%
    PRS 74.32
  • conjunctival epithelial cell CL1000432
    CSI 7.85
    rCSI 11.99%
    PRS 45.84
  • naive thymus-derived CD8-positive, alpha-beta T cell CL0000900
    CSI 7.69
    rCSI 5.4%
    PRS 67.21
  • plasmablast CL0000980
    CSI 7.64
    rCSI 6.01%
    PRS 51.76
  • alpha-beta T cell CL0000789
    CSI 7.62
    rCSI 8.93%
    PRS 60.77
  • cardiac neuron CL0010022
    CSI 7.51
    rCSI 24.02%
    PRS 42.36
  • adipocyte CL0000136
    CSI 7.47
    rCSI 9.59%
    PRS 40.76
  • cerebral cortex endothelial cell CL1001602
    CSI 7.3
    rCSI 12.63%
    PRS 36.25
  • activated CD8-positive, alpha-beta T cell CL0000906
    CSI 7.26
    rCSI 7.14%
    PRS 71.91
  • CD16-positive, CD56-dim natural killer cell, human CL0000939
    CSI 7.2
    rCSI 4.8%
    PRS 70.85
  • naive B cell CL0000788
    CSI 7.05
    rCSI 6.05%
    PRS 54.04
  • CD1c-positive myeloid dendritic cell CL0002399
    CSI 6.97
    rCSI 8.42%
    PRS 53.11
  • CD8-positive, CD28-negative, alpha-beta regulatory T cell CL0000920
    CSI 6.94
    rCSI 13.84%
    PRS 63.08
  • CD16-negative, CD56-bright natural killer cell, human CL0000938
    CSI 6.87
    rCSI 5.15%
    PRS 77.15
  • inhibitory interneuron CL0000498
    CSI 6.76
    rCSI 15.61%
    PRS 37.13
  • cardiac muscle cell CL0000746
    CSI 6.63
    rCSI 9.51%
    PRS 36.8
  • kidney connecting tubule epithelial cell CL1000768
    CSI 6.61
    rCSI 16.77%
    PRS 36.08
  • stromal cell CL0000499
    CSI 6.58
    rCSI 18.5%
    PRS 45.18
  • ciliated cell CL0000064
    CSI 6.54
    rCSI 10.6%
    PRS 43.81
  • basal cell of epidermis CL0002187
    CSI 6.41
    rCSI 11.37%
    PRS 27.95
  • amacrine cell CL0000561
    CSI 6.22
    rCSI 18.01%
    PRS 36.84
  • pancreatic ductal cell CL0002079
    CSI 6.1
    rCSI 11.86%
    PRS 47.45
  • gamma-delta T cell CL0000798
    CSI 6.01
    rCSI 7.06%
    PRS 83.14
  • ciliated columnar cell of tracheobronchial tree CL0002145
    CSI 5.88
    rCSI 13.4%
    PRS 43.83
  • CD4-positive, alpha-beta thymocyte CL0000810
    CSI 5.54
    rCSI 4.43%
    PRS 66.76
  • diffuse bipolar 6 cell CL4033032
    CSI 5.52
    rCSI 29%
    PRS 42.32
  • CD4-positive, CD25-positive, alpha-beta regulatory T cell CL0000792
    CSI 5.47
    rCSI 5.37%
    PRS 60.73
  • melanocyte CL0000148
    CSI 5.46
    rCSI 4.04%
    PRS 38.92
  • keratocyte CL0002363
    CSI 5.35
    rCSI 12.86%
    PRS 55.4
  • granulocyte monocyte progenitor cell CL0000557
    CSI 5.3
    rCSI 4.59%
    PRS 49.04
  • unswitched memory B cell CL0000970
    CSI 5.25
    rCSI 4.42%
    PRS 62.6
  • ciliated epithelial cell CL0000067
    CSI 5.14
    rCSI 4.52%
    PRS 34.69
  • immature B cell CL0000816
    CSI 5.13
    rCSI 3.82%
    PRS 58.59
  • effector CD8-positive, alpha-beta T cell CL0001050
    CSI 5.13
    rCSI 3.91%
    PRS 56.66
  • pulmonary alveolar type 1 cell CL0002062
    CSI 4.97
    rCSI 28.65%
    PRS 47.03
  • neural crest cell CL0011012
    CSI 4.95
    rCSI 3.92%
    PRS 33.3
  • epithelial cell of lower respiratory tract CL0002632
    CSI 4.94
    rCSI 3.83%
    PRS 45.81
  • interneuron CL0000099
    CSI 4.79
    rCSI 9.61%
    PRS 35.37
  • activated CD4-positive, alpha-beta T cell CL0000896
    CSI 4.63
    rCSI 4.28%
    PRS 65.35
  • kidney interstitial alternatively activated macrophage CL1000695
    CSI 4.53
    rCSI 11.82%
    PRS 44.38
  • CD8-positive, alpha-beta cytotoxic T cell CL0000794
    CSI 4.53
    rCSI 5.4%
    PRS 65.65
  • Bergmann glial cell CL0000644
    CSI 4.5
    rCSI 6.16%
    PRS 41.55
  • diffuse bipolar 3a cell CL4033029
    CSI 4.5
    rCSI 30.63%
    PRS 43.08
  • brush cell of tracheobronchial tree CL0002075
    CSI 4.48
    rCSI 13.31%
    PRS 56.71
  • T-helper 17 cell CL0000899
    CSI 4.32
    rCSI 3.43%
    PRS 67.37
  • endocardial cell CL0002350
    CSI 4.24
    rCSI 20.31%
    PRS 46.59
  • secretory cell CL0000151
    CSI 4.19
    rCSI 4.37%
    PRS 45.92
  • rod bipolar cell CL0000751
    CSI 4.14
    rCSI 7.43%
    PRS 38.84
  • erythrocyte CL0000232
    CSI 4.11
    rCSI 9.32%
    PRS 50.63
  • mature alpha-beta T cell CL0000791
    CSI 4.08
    rCSI 14.77%
    PRS 64.49
  • pro-B cell CL0000826
    CSI 4.01
    rCSI 3.32%
    PRS 46.27
  • mononuclear phagocyte CL0000113
    CSI 3.96
    rCSI 8.72%
    PRS 49.18
  • double negative thymocyte CL0002489
    CSI 3.94
    rCSI 2.74%
    PRS 53.94
  • ON-bipolar cell CL0000749
    CSI 3.94
    rCSI 5.85%
    PRS 47.82
  • chondrocyte CL0000138
    CSI 3.91
    rCSI 6.23%
    PRS 38.47
  • mesothelial cell CL0000077
    CSI 3.88
    rCSI 15.19%
    PRS 22.65
  • renal interstitial pericyte CL1001318
    CSI 3.86
    rCSI 10.63%
    PRS 42.05
  • invaginating midget bipolar cell CL4033034
    CSI 3.85
    rCSI 22.76%
    PRS 42.49
  • lung macrophage CL1001603
    CSI 3.76
    rCSI 8.39%
    PRS 51.86
  • vascular leptomeningeal cell CL4023051
    CSI 3.74
    rCSI 6.55%
    PRS 37.87
  • squamous epithelial cell CL0000076
    CSI 3.72
    rCSI 8.82%
    PRS 51.05
  • lung resident memory CD4-positive, alpha-beta T cell CL4033038
    CSI 0.3
    rCSI 2.8%
    PRS 83.6%
  • CD14-positive, CD16-negative classical monocyte CL0002057
    CSI 0.4
    rCSI 2.7%
    PRS 69.6%
  • diffuse bipolar 4 cell CL4033031
    CSI 0.5
    rCSI 5.7%
    PRS 39.0%
  • flat midget bipolar cell CL4033033
    CSI 0.6
    rCSI 4.1%
    PRS 41.0%
  • hepatic pit cell CL2000054
    CSI 0.6
    rCSI 7.9%
    PRS 81.9%
  • luminal epithelial cell of mammary gland CL0002326
    CSI 0.6
    rCSI 1.1%
    PRS 61.6%
  • paneth cell of epithelium of small intestine CL1000343
    CSI 0.6
    rCSI 1.7%
    PRS 59.7%
  • serotonergic neuron CL0000850
    CSI 0.6
    rCSI 2.8%
    PRS 32.0%
  • diffuse bipolar 1 cell CL4033027
    CSI 0.6
    rCSI 4.8%
    PRS 40.8%
  • neural progenitor cell CL0011020
    CSI 0.7
    rCSI 2.9%
    PRS 38.9%
  • cytotoxic T cell CL0000910
    CSI 0.7
    rCSI 3.9%
    PRS 57.3%
  • epicardial adipocyte CL1000309
    CSI 0.7
    rCSI 2.2%
    PRS 47.3%
  • helper T cell CL0000912
    CSI 0.7
    rCSI 1.0%
    PRS 54.0%
  • basophil CL0000767
    CSI 0.7
    rCSI 1.6%
    PRS 66.0%
  • colon macrophage CL0009038
    CSI 0.8
    rCSI 3.7%
    PRS 67.7%
  • regular atrial cardiac myocyte CL0002129
    CSI 0.9
    rCSI 2.8%
    PRS 44.6%
  • midbrain dopaminergic neuron CL2000097
    CSI 0.9
    rCSI 5.6%
    PRS 51.1%
  • Hofbauer cell CL3000001
    CSI 0.9
    rCSI 1.7%
    PRS 55.6%
  • retinal ganglion cell CL0000740
    CSI 0.9
    rCSI 2.0%
    PRS 33.9%
  • starburst amacrine cell CL0004232
    CSI 0.9
    rCSI 7.6%
    PRS 40.8%
  • lung ciliated cell CL1000271
    CSI 1.0
    rCSI 1.1%
    PRS 35.7%
  • enteroglial cell CL4040002
    CSI 1.0
    rCSI 5.2%
    PRS 53.5%
  • tissue-resident macrophage CL0000864
    CSI 1.0
    rCSI 4.7%
    PRS 63.9%
  • intestinal crypt stem cell of small intestine CL0009017
    CSI 1.0
    rCSI 2.8%
    PRS 54.0%
  • kidney loop of Henle thin ascending limb epithelial cell CL1001107
    CSI 1.2
    rCSI 3.0%
    PRS 41.6%
  • mature B cell CL0000785
    CSI 1.2
    rCSI 1.0%
    PRS 54.8%
  • small intestine goblet cell CL1000495
    CSI 1.2
    rCSI 2.6%
    PRS 55.0%
  • tracheobronchial smooth muscle cell CL0019019
    CSI 1.2
    rCSI 2.1%
    PRS 53.9%
  • placental villous trophoblast CL2000060
    CSI 1.2
    rCSI 1.9%
    PRS 43.1%
  • CD14-low, CD16-positive monocyte CL0002396
    CSI 1.3
    rCSI 1.0%
    PRS 44.2%
  • OFFx cell CL4033036
    CSI 1.3
    rCSI 6.0%
    PRS 42.7%
  • CD4-positive, alpha-beta cytotoxic T cell CL0000934
    CSI 1.3
    rCSI 1.8%
    PRS 66.1%
  • medium spiny neuron CL1001474
    CSI 1.3
    rCSI 11.3%
    PRS 33.1%
  • common dendritic progenitor CL0001029
    CSI 1.4
    rCSI 1.7%
    PRS 55.1%
  • type B pancreatic cell CL0000169
    CSI 1.4
    rCSI 3.1%
    PRS 42.7%
  • multi-ciliated epithelial cell CL0005012
    CSI 1.4
    rCSI 1.4%
    PRS 39.6%
  • dendritic cell, human CL0001056
    CSI 1.4
    rCSI 2.2%
    PRS 52.4%
  • myeloid dendritic cell CL0000782
    CSI 1.5
    rCSI 2.2%
    PRS 61.5%
  • activated CD8-positive, alpha-beta T cell, human CL0001049
    CSI 1.5
    rCSI 2.6%
    PRS 66.0%
  • renal principal cell CL0005009
    CSI 1.5
    rCSI 4.0%
    PRS 50.3%
  • megakaryocyte CL0000556
    CSI 1.5
    rCSI 6.6%
    PRS 60.7%
  • elicited macrophage CL0000861
    CSI 1.5
    rCSI 1.4%
    PRS 52.7%
  • memory T cell CL0000813
    CSI 1.6
    rCSI 3.0%
    PRS 75.1%
  • glycinergic amacrine cell CL4030028
    CSI 1.6
    rCSI 4.2%
    PRS 44.9%
  • stem cell CL0000034
    CSI 1.6
    rCSI 1.5%
    PRS 36.2%
  • diffuse bipolar 2 cell CL4033028
    CSI 1.6
    rCSI 12.4%
    PRS 43.0%
  • natural T-regulatory cell CL0000903
    CSI 1.6
    rCSI 3.1%
    PRS 78.7%
  • kidney loop of Henle thin descending limb epithelial cell CL1001111
    CSI 1.6
    rCSI 2.3%
    PRS 42.4%
  • mesenchymal stem cell of adipose tissue CL0002570
    CSI 1.7
    rCSI 9.2%
    PRS 62.8%
  • diffuse bipolar 3b cell CL4033030
    CSI 1.7
    rCSI 11.2%
    PRS 44.1%
  • enteroendocrine cell of small intestine CL0009006
    CSI 1.7
    rCSI 3.7%
    PRS 59.7%
  • lung pericyte CL0009089
    CSI 1.7
    rCSI 4.5%
    PRS 53.1%
  • respiratory basal cell CL0002633
    CSI 1.7
    rCSI 1.8%
    PRS 51.1%
  • corneal epithelial cell CL0000575
    CSI 1.8
    rCSI 5.1%
    PRS 62.0%
  • T-helper 1 cell CL0000545
    CSI 1.8
    rCSI 3.3%
    PRS 71.6%
  • common myeloid progenitor CL0000049
    CSI 1.8
    rCSI 1.5%
    PRS 45.9%
  • extravillous trophoblast CL0008036
    CSI 1.9
    rCSI 2.3%
    PRS 41.2%
  • pancreatic acinar cell CL0002064
    CSI 1.9
    rCSI 2.5%
    PRS 50.2%
  • effector CD4-positive, alpha-beta T cell CL0001044
    CSI 2.0
    rCSI 5.6%
    PRS 63.1%
  • choroid plexus epithelial cell CL0000706
    CSI 2.0
    rCSI 3.2%
    PRS 36.2%
  • epithelial cell of lung CL0000082
    CSI 2.0
    rCSI 1.7%
    PRS 43.9%
  • GABAergic neuron CL0000617
    CSI 2.0
    rCSI 6.7%
    PRS 33.8%
  • pancreatic A cell CL0000171
    CSI 2.0
    rCSI 2.1%
    PRS 48.1%
  • T follicular helper cell CL0002038
    CSI 2.1
    rCSI 1.5%
    PRS 59.9%
  • blood vessel smooth muscle cell CL0019018
    CSI 2.1
    rCSI 17.1%
    PRS 40.0%
  • mature microglial cell CL0002629
    CSI 2.2
    rCSI 9.0%
    PRS 46.2%
  • mucus secreting cell CL0000319
    CSI 2.3
    rCSI 3.6%
    PRS 56.0%
  • granulocyte CL0000094
    CSI 2.3
    rCSI 3.5%
    PRS 54.6%
  • plasmacytoid dendritic cell, human CL0001058
    CSI 2.3
    rCSI 1.6%
    PRS 47.1%
  • BEST4+ enteroycte CL4030026
    CSI 2.3
    rCSI 2.9%
    PRS 48.0%
  • fibroblast of lung CL0002553
    CSI 2.3
    rCSI 2.2%
    PRS 45.0%
  • central memory CD4-positive, alpha-beta T cell CL0000904
    CSI 2.3
    rCSI 1.4%
    PRS 60.6%
  • pulmonary alveolar type 2 cell CL0002063
    CSI 2.4
    rCSI 3.7%
    PRS 55.1%
  • H2 horizontal cell CL0004218
    CSI 2.6
    rCSI 12.7%
    PRS 44.9%
  • alveolar type 1 fibroblast cell CL4028004
    CSI 2.6
    rCSI 2.8%
    PRS 49.2%
  • effector memory CD4-positive, alpha-beta T cell CL0000905
    CSI 2.7
    rCSI 3.6%
    PRS 72.9%
  • lamp5 GABAergic cortical interneuron CL4023011
    CSI 2.7
    rCSI 4.5%
    PRS 29.9%
  • astrocyte of the cerebral cortex CL0002605
    CSI 2.7
    rCSI 6.1%
    PRS 30.6%
  • glutamatergic neuron CL0000679
    CSI 2.8
    rCSI 5.7%
    PRS 39.6%
  • renal beta-intercalated cell CL0002201
    CSI 2.8
    rCSI 6.6%
    PRS 47.4%
  • effector memory CD8-positive, alpha-beta T cell, terminally differentiated CL0001062
    CSI 2.8
    rCSI 13.9%
    PRS 56.3%
  • differentiation-committed oligodendrocyte precursor CL4023059
    CSI 2.8
    rCSI 5.0%
    PRS 39.0%
  • effector memory CD8-positive, alpha-beta T cell CL0000913
    CSI 2.8
    rCSI 2.5%
    PRS 60.2%
  • innate lymphoid cell CL0001065
    CSI 2.8
    rCSI 5.8%
    PRS 51.3%
  • cardiac endothelial cell CL0010008
    CSI 2.8
    rCSI 11.4%
    PRS 43.8%
  • neutrophil CL0000775
    CSI 2.9
    rCSI 16.2%
    PRS 57.6%
  • pancreatic D cell CL0000173
    CSI 2.9
    rCSI 2.9%
    PRS 47.7%
  • double-positive, alpha-beta thymocyte CL0000809
    CSI 2.9
    rCSI 3.0%
    PRS 58.5%
  • intermediate monocyte CL0002393
    CSI 3.0
    rCSI 4.5%
    PRS 47.3%
  • lung neuroendocrine cell CL1000223
    CSI 3.0
    rCSI 4.5%
    PRS 50.4%
  • hepatic stellate cell CL0000632
    CSI 3.1
    rCSI 11.4%
    PRS 38.5%
  • centrilobular region hepatocyte CL0019029
    CSI 3.1
    rCSI 8.0%
    PRS 53.4%
  • exhausted T cell CL0011025
    CSI 3.1
    rCSI 52.0%
    PRS 77.2%
  • CD8-positive, alpha-beta thymocyte CL0000811
    CSI 3.1
    rCSI 4.8%
    PRS 72.3%
  • dopaminergic neuron CL0000700
    CSI 3.2
    rCSI 18.0%
    PRS 32.0%
  • group 3 innate lymphoid cell CL0001071
    CSI 3.3
    rCSI 2.5%
    PRS 48.8%
  • hepatocyte CL0000182
    CSI 3.3
    rCSI 5.9%
    PRS 43.7%
  • Schwann cell CL0002573
    CSI 3.3
    rCSI 9.4%
    PRS 45.2%
  • cerebral cortex neuron CL0010012
    CSI 3.5
    rCSI 14.2%
    PRS 42.6%
  • microglial cell CL0000129
    CSI 3.5
    rCSI 14.0%
    PRS 55.4%

Cell ID: Standard Cell Ontology term used for mapping and comparing cells across experiments. Ensures consistency in analyzing cellular functions across tissues.
Fold Change: Represents the ratio of the current Cell Significance Index to the Cell Significance Index Threshold, indicating how much the gene expression has changed compared to a baseline.
Cell Significance Index: Reflects how strongly a gene is expressed in this specific cell.

Cell ID: Standard Cell Ontology term used for mapping and comparing cells across experiments. Ensures consistency in analyzing cellular functions across tissues.
Fold Change: Represents the ratio of the current Cell Significance Index to the Cell Significance Index Threshold, indicating how much the gene expression has changed compared to a baseline.
Cell Significance Index: Reflects how strongly a gene is expressed in this cell type. Calculated using techniques like effect size estimation and bootstrapping for reliability.

Cell ID: Standard Cell Ontology term used for mapping and comparing cells across experiments. Ensures consistency in analyzing cellular functions across tissues.
Fold Change: Represents the ratio of the current Cell Significance Index to the Cell Significance Index Threshold, indicating how much the gene expression has changed compared to a baseline.
Cell Significance Index: Reflects how strongly a gene is expressed in this cell type. Calculated using techniques like effect size estimation and bootstrapping for reliability.
Network Configuration

Explore relationships of the current gene. Select an Interaction Source: 'ONTOLOGY' for shared pathways (GO/Reactome) or 'STRING' for protein-protein interactions. Further refine by selecting context genes and comparing Cell Significance Index (CSI) scores between baseline and target cell types and their specific contexts.

Comma-separated if multiple.
Comma-separated if multiple.

Legend:
  • Query Gene
  • Node Color (Target Cell CSI, relative to current network):
    • Very High
    • High
    • Medium
    • Low
    • Very Low
    • CSI N/A
  • Node Size: Proportional to Target Cell CSI magnitude
  • STRING PPI Edge
  • Shared Pathway Edge (ONTOLOGY)

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Other Information

This section provides additional information about the gene, including a description generated by an AI language model and details about associated proteins.

## Summary [PARP8](/details-gene/79668) (Poly(ADP-ribose) Polymerase Family Member 8) is a protein-coding gene located on chromosome 5q11.1. As a member of the PARP family, its primary molecular function involves NAD+-dependent protein ADP-ribosylation ([GO:1990404](https://www.ebi.ac.uk/QuickGO/term/GO:1990404)), a post-translational modification crucial for various cellular processes ([Link](https://doi.org/10.1016/j.tibs.2009.12.003)). **Overall**, [PARP8](/details-gene/79668) displays a notable expression profile, with high significance in distinct neuronal subpopulations of the cerebral cortex, such as [VIP GABAergic cortical interneuron](/details-cell/CL4023016) and various glutamatergic neurons, as well as in mature lymphocyte populations, including [mature T cell](/details-cell/CL0002419). Functional annotations strongly link [PARP8](/details-gene/79668) to the endoplasmic reticulum unfolded protein response ([GO:0030968](https://www.ebi.ac.uk/QuickGO/term/GO:0030968)) and, most prominently, to host responses during viral infections, particularly SARS-CoV-2 ([R-HSA-9694516](https://reactome.org/content/detail/R-HSA-9694516)). ## Cellular Roles and Expression Landscape The expression pattern of [PARP8](/details-gene/79668) suggests a specialized role in both the central nervous system and the immune system. **Overall**, it is a highly significant marker in several cortical neuron subtypes. Its highest significance is observed in [VIP GABAergic cortical interneuron](/details-cell/CL4023016) (CSI: 34.83) and [sncg GABAergic cortical interneuron](/details-cell/CL4023015) (CSI: 32.68), indicating a key role in cortical inhibitory circuits. It is also prominently expressed in excitatory neurons, including [L2/3-6 intratelencephalic projecting glutamatergic neuron](/details-cell/CL4023040) (CSI: 28.08) and [L4 intratelencephalic projecting glutamatergic neuron](/details-cell/CL4030063) (CSI: 24.27), suggesting a broad involvement in cortical information processing. Concurrently, [PARP8](/details-gene/79668) exhibits significant expression in the lymphoid lineage. It is a notable marker in [mature T cell](/details-cell/CL0002419) (CSI: 23.84), [CD4-positive helper T cell](/details-cell/CL0000492) (CSI: 18.14), and [mature NK T cell](/details-cell/CL0000814) (CSI: 17.41). This expression pattern points towards a potential function in T cell biology, possibly related to activation, stress response, or metabolic regulation. The gene's significant presence in [lung secretory cell](/details-cell/CL1000272) (CSI: 23.35) is also noteworthy, particularly in light of its annotated role in viral infection pathways. The distinct expression in these unrelated, highly specialized cell types—neurons, lymphocytes, and secretory cells—suggests [PARP8](/details-gene/79668) may perform context-dependent functions integral to the unique physiology of each cell. ## Pathways and Molecular Function The functional annotations for [PARP8](/details-gene/79668) are consistent with its identity as an ADP-ribosyltransferase. It is involved in [protein auto-adp-ribosylation](/details-go/GO:0070213) and possesses [Nad+-protein poly-adp-ribosyltransferase activity](/details-go/GO:0003950), a function confirmed in family-wide activity screens ([Link](https://doi.org/10.1038/ncomms5426)). This enzymatic activity is fundamentally linked to nicotinamide and nicotinate metabolism ([R-HSA-197264](https://reactome.org/content/detail/R-HSA-197264), [R-HSA-196807](https://reactome.org/content/detail/R-HSA-196807)), as NAD+ is the substrate for the PARP family. A prominent feature of [PARP8](/details-gene/79668) is its association with cellular stress and pathogen response. Its localization to the [endoplasmic reticulum tubular network](/details-go/GO:0071782) and its role in the [endoplasmic reticulum unfolded protein response](/details-go/GO:0030968) suggest it helps manage protein-folding stress. This function is particularly relevant in the context of viral infections, which often co-opt or disrupt the host cell's ER. Reactome pathway analysis strongly implicates [PARP8](/details-gene/79668) in [Sars-cov-2 infection](/details-reactome/R-HSA-9694516), including specific processes like [translation of structural proteins](/details-reactome/R-HSA-9694635) and [maturation of nucleoprotein](/details-reactome/R-HSA-9694631). This suggests that [PARP8](/details-gene/79668) may be a host factor whose ADP-ribosylation activity is leveraged by, or acts against, the virus during its replication cycle. ## Research Directions The dual expression profile in neurons and immune cells, combined with strong links to viral pathogenesis, presents several compelling avenues for future research. The data suggest that [PARP8](/details-gene/79668) is not merely a housekeeping enzyme but a dynamically regulated factor in cellular stress responses. **Proposed Hypotheses:** 1. Given its high expression in [lung secretory cell](/details-cell/CL1000272) and its strong annotation in SARS-CoV-2 pathways ([R-HSA-9694516](https://reactome.org/content/detail/R-HSA-9694516)), [PARP8](/details-gene/79668) likely functions as a host dependency or restriction factor during coronavirus infection. Its ADP-ribosyltransferase activity may modify viral proteins or host factors involved in the viral life cycle, thereby modulating replication efficiency. 2. The high significance of [PARP8](/details-gene/79668) in multiple cortical neuron subtypes, coupled with its role in the ER unfolded protein response ([GO:0030968](https://www.ebi.ac.uk/QuickGO/term/GO:0030968)), suggests it plays a neuroprotective role. It may be critical for mitigating ER stress in these metabolically active cells, and its dysfunction could contribute to the pathology of neurodegenerative diseases associated with protein misfolding. **Experimental Approach:** To test the first hypothesis regarding the role of [PARP8](/details-gene/79668) in SARS-CoV-2 infection, a loss-of-function study could be performed. CRISPR-Cas9 could be used to generate a [PARP8](/details-gene/79668) knockout in a human lung epithelial cell line permissive to SARS-CoV-2 infection, such as Calu-3. These knockout cells, along with wild-type controls, would be infected with SARS-CoV-2. Viral replication would be quantified at various time points post-infection using RT-qPCR to measure viral RNA levels and plaque assays to measure the production of infectious virions. A significant change in viral titer in the knockout cells would confirm [PARP8](/details-gene/79668) as a critical host factor. **Therapeutic Potential:** As an enzyme, [PARP8](/details-gene/79668) is a druggable target. If it is validated as a host factor essential for viral replication (a dependency factor), its enzymatic activity could be targeted for therapeutic intervention. The development of a specific small-molecule inhibitor for [PARP8](/details-gene/79668) could represent a host-directed antiviral strategy. Such an approach may offer broad-spectrum activity against multiple viruses that exploit similar host pathways and could be less susceptible to the development of viral resistance compared to drugs that target viral proteins directly. Therefore, inhibition of [PARP8](/details-gene/79668) is a plausible therapeutic strategy worth investigating.

Genular Protein ID: 340099364

Symbol: PARP8_HUMAN

Name: N/A

UniProtKB Accession Codes:

Database IDs:

Citations:

PubMed ID: 17974005

Title: The full-ORF clone resource of the German cDNA consortium.

PubMed ID: 17974005

DOI: 10.1186/1471-2164-8-399

PubMed ID: 15489334

Title: The status, quality, and expansion of the NIH full-length cDNA project: the Mammalian Gene Collection (MGC).

PubMed ID: 15489334

DOI: 10.1101/gr.2596504

PubMed ID: 14702039

Title: Complete sequencing and characterization of 21,243 full-length human cDNAs.

PubMed ID: 14702039

DOI: 10.1038/ng1285

PubMed ID: 20106667

Title: Toward a unified nomenclature for mammalian ADP-ribosyltransferases.

PubMed ID: 20106667

DOI: 10.1016/j.tibs.2009.12.003

PubMed ID: 25043379

Title: Family-wide analysis of poly(ADP-ribose) polymerase activity.

PubMed ID: 25043379

DOI: 10.1038/ncomms5426

PubMed ID: 16959974

Title: The consensus coding sequences of human breast and colorectal cancers.

PubMed ID: 16959974

DOI: 10.1126/science.1133427

Sequence Information:

  • Length: 854
  • Mass: 95871
  • Checksum: D3287F5F46BA2B63
  • Sequence:
  • MGMCSRQERI QKDIDVVIQK SRAEKDCLFA DFRYSDSTFT FTYVGGPRSV SYSVHVSEDY 
    PDNTYVSSSE NDEDVLVTTE PIPVIFHRIA TELRKTNDIN CCLSIKSKLQ KENGEESRQN 
    STVEEDSEGD NDSEEFYYGG QVNYDGELHK HPQLEADLSA VREIYGPHAV SLREYGAIDD 
    VDIDLHIDVS FLDEEIAVAW EVIRTEPIIV RLHCSLTQYL NGPVPTVDVF QISTKERFGL 
    GHQLKKIMQT FVTQQWKQSK EKSNCLHNKK LSEKKVKSPL HLFSTLRRSP SYPPPGCGKS 
    KSKLKSEQDG ISKTHKLLRR TCSSTVKTDD VCVTKSHRTF GRSLSSDPRA EQAMTAIKSH 
    KLLNRPCPAA VKSEECLTLK SHRLLTRSCS GDPRCEHNTN LKPHKLLSRS YSSNLRMEEL 
    YGLKNHKLLS KSYSSAPKSS KTELFKEPNA EGRRLSLTSG LIGILTPSSS SSSQLAPNGA 
    KCIPVRDRGF LVQTIEFAEQ RIPVLNEYCV VCDEPHVFQN GPMLRPTVCE RELCVFAFQT 
    LGVMNEAADE IATGAQVVDL LVSMCRSALE SPRKVVIFEP YPSVVDPNDP QMLAFNPRKK 
    NYDRVMKALD SITSIREMTQ APYLEIKKQM DKQDPLAHPL LQWVISSNRS HIVKLPVNRQ 
    LKFMHTPHQF LLLSSPPAKE SNFRAAKKLF GSTFAFHGSH IENWHSILRN GLVVASNTRL 
    QLHGAMYGSG IYLSPMSSIS FGYSGMNKKQ KVSAKDEPAS SSKSSNTSQS QKKGQQSQFL 
    QSRNLKCIAL CEVITSSDLH KHGEIWVVPN TDHVCTRFFF VYEDGQVGDA NINTQEGGIH 
    KEILRVIGNQ TATG

Genular Protein ID: 2655741615

Symbol: E9PFI7_HUMAN

Name: N/A

UniProtKB Accession Codes:

Database IDs:

Citations:

PubMed ID: 11237011

Title: Initial sequencing and analysis of the human genome.

PubMed ID: 11237011

DOI: 10.1038/35057062

PubMed ID: 15372022

Title: The DNA sequence and comparative analysis of human chromosome 5.

PubMed ID: 15372022

DOI: 10.1038/nature02919

PubMed ID: 15496913

Title: Finishing the euchromatic sequence of the human genome.

PubMed ID: 15496913

DOI: 10.1038/nature03001

Sequence Information:

  • Length: 833
  • Mass: 93381
  • Checksum: 574C4E4E3F716CD3
  • Sequence:
  • MEPAALRCAY FRYSDSTFTF TYVGGPRSVS YSVHVSEDYP DNTYVSSSEN DEDVLVTTEP 
    IPVIFHRIAT ELRKTNDINC CLSIKSKLQK ENGEESRQNS TVEEDSEGDN DSEEFYYGGQ 
    VNYDGELHKH PQLEADLSAV REIYGPHAVS LREYGAIDDV DIDLHIDVSF LDEEIAVAWE 
    VIRTEPIIVR LHCSLTQYLN GPVPTVDVFQ ISTKERFGLG HQLKKIMQTF VTQQWKQSKE 
    KSNCLHNKKL SEKKVKSPLH LFSTLRRSPS YPPPGCGKSK SKLKSEQDGI SKTHKLLRRT 
    CSSTVKTDDV CVTKSHRTFG RSLSSDPRAE QAMTAIKSHK LLNRPCPAAV KSEECLTLKS 
    HRLLTRSCSG DPRCEHNTNL KPHKLLSRSY SSNLRMEELY GLKNHKLLSK SYSSAPKSSK 
    TELFKEPNAE GRRLSLTSGL IGILTPSSSS SSQLAPNGAK CIPVRDRGFL VQTIEFAEQR 
    IPVLNEYCVV CDEPHVFQNG PMLRPTVCER ELCVFAFQTL GVMNEAADEI ATGAQVVDLL 
    VSMCRSALES PRKVVIFEPY PSVVDPNDPQ MLAFNPRKKN YDRVMKALDS ITSIREMTQA 
    PYLEIKKQMD KQDPLAHPLL QWVISSNRSH IVKLPVNRQL KFMHTPHQFL LLSSPPAKES 
    NFRAAKKLFG STFAFHGSHI ENWHSILRNG LVVASNTRLQ LHGAMYGSGI YLSPMSSISF 
    GYSGMNKKQK VSAKDEPASS SKSSNTSQSQ KKGQQSQFLQ SRNLKCIALC EVITSSDLHK 
    HGEIWVVPNT DHVCTRFFFV YEDGQVGDAN INTQEGGIHK EILRVIGNQT ATG

Genular Protein ID: 3904120070

Symbol: B2RB27_HUMAN

Name: N/A

UniProtKB Accession Codes:

Database IDs:

Sequence Information:

  • Length: 854
  • Mass: 95878
  • Checksum: 084E591D24AD795B
  • Sequence:
  • MGMCSRQERI QKDIDVVIQK SRAEKDCLFA DFRYSDSTFT FTYVGGPRSV SYSVHVSEDY 
    PDNTYVSSSE NDEDVLVTTE PIPVIFHRIA TELRKTNDIN CCLSIKSKLQ KENGEESRQN 
    STVEEDSEGD NDSEEFYYGG QVNYDGELHK HPQLEADLSA VREIYGPHAV SLREYGAIDD 
    VDIDLHIDVS FLDEEIAVAW EVIRTEPIIV RLHCSLTQYL NGPVPTVDVF QISTKERFGL 
    GHQLKKIMQT FVTQQWKQSK EKSNCLHNKK LSEKKVKSPL HLFSTLRRSP SYPPPGCGKS 
    KSKLKSEQDG ISKTHKLLRR TCSSTVKTDD VCVTKSHRTF GRSLSSDPRA EQAMTAIKSH 
    KLLNRPCPAA VKSEECLTLK SHRLLTRSCS GDPRCEHNTN LKPHKLLSRS YSSNLRMEEL 
    YGLKNHKLLS KSYSSAPKSS KTELFKEPNA EGRRLSLTSG LIGILTPSSS SSSQLAPNGA 
    KCIPVRDRGF LVQTIEFAEQ RIPVLNEYCV VCDEPHVFQN GPMLRPTVCE RELCVFAFQT 
    LGVMNEAADE IATGAQVVDL LVSMCRSAFE SPRKVVIFEP YPSVVDPNDP QMLAFNPRKK 
    NYDRVMKALD SITSIREMTQ APYLEIKKQM DKQDPLAHPL LQWVISSNRS HIVKLPVNRQ 
    LKFMHTPHQF LLLSSPPAKE SNFRAAKKLF GSTFAFHGSH IENWHSILRN GLVVASNTRL 
    QLHGAMYGSG IYLSPMSSIS FGYSGMNKKQ KVSAKDEPAS SSKSSNTSQS QKKGQQSQFL 
    QSRNLKCIAL CEVITSSDLH KHGEIWVVPN TDHVCTRFFF VYEDGQVGDA NISTQEGGIH 
    KEILRVIGNQ TATG