Details for: SPOCK1

Gene ID: 6695

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: SPOCK1

Ensembl ID: ENSG00000152377

Description: SPARC (osteonectin), cwcv and kazal like domains proteoglycan 1

Selected Context(s):  Overall

Cell Significance Landscape

Contexts:

Associated with

Significant Cells

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

  • cerebellar granule cell CL0001031
    CSI 39.07
    rCSI 57.43%
    PRS 71.42
  • sst GABAergic cortical interneuron CL4023017
    CSI 37.74
    rCSI 48.66%
    PRS 61.41
  • pvalb GABAergic cortical interneuron CL4023018
    CSI 36.75
    rCSI 45.72%
    PRS 58.2
  • lamp5 GABAergic cortical interneuron CL4023011
    CSI 34.33
    rCSI 57.62%
    PRS 60.33
  • sncg GABAergic cortical interneuron CL4023015
    CSI 32.42
    rCSI 52.14%
    PRS 61.98
  • caudal ganglionic eminence derived cortical interneuron CL4023064
    CSI 29.28
    rCSI 51.71%
    PRS 59.58
  • VIP GABAergic cortical interneuron CL4023016
    CSI 25.31
    rCSI 30.24%
    PRS 60.33
  • L4 intratelencephalic projecting glutamatergic neuron CL4030063
    CSI 22.84
    rCSI 54.63%
    PRS 65.53
  • L2/3-6 intratelencephalic projecting glutamatergic neuron CL4023040
    CSI 22.05
    rCSI 53.58%
    PRS 58.34
  • differentiation-committed oligodendrocyte precursor CL4023059
    CSI 21.22
    rCSI 38.55%
    PRS 69.9
  • interneuron CL0000099
    CSI 20.76
    rCSI 41.69%
    PRS 68.45
  • keratocyte CL0002363
    CSI 19.48
    rCSI 46.82%
    PRS 81.97
  • chandelier pvalb GABAergic cortical interneuron CL4023036
    CSI 18.88
    rCSI 59.05%
    PRS 64.38
  • oligodendrocyte precursor cell CL0002453
    CSI 17.9
    rCSI 39.38%
    PRS 61.11
  • L2/3 intratelencephalic projecting glutamatergic neuron CL4030059
    CSI 17.43
    rCSI 37.81%
    PRS 66.31
  • inhibitory interneuron CL0000498
    CSI 16.1
    rCSI 37.16%
    PRS 66.44
  • Mueller cell CL0000636
    CSI 16.03
    rCSI 36.59%
    PRS 69.95
  • L5/6 near-projecting glutamatergic neuron CL4030067
    CSI 16
    rCSI 52.6%
    PRS 64.96
  • GABAergic amacrine cell CL4030027
    CSI 15.89
    rCSI 54.42%
    PRS 65.06
  • neuron CL0000540
    CSI 15.65
    rCSI 41.66%
    PRS 66.39
  • epithelial cell CL0000066
    CSI 15.62
    rCSI 24%
    PRS 68.37
  • near-projecting glutamatergic cortical neuron CL4023012
    CSI 15.07
    rCSI 56.97%
    PRS 60.8
  • Schwann cell CL0002573
    CSI 15.01
    rCSI 42.68%
    PRS 74.64
  • glycinergic amacrine cell CL4030028
    CSI 14.85
    rCSI 38.68%
    PRS 73.53
  • neural cell CL0002319
    CSI 13.94
    rCSI 52.6%
    PRS 61.25
  • cerebral cortex endothelial cell CL1001602
    CSI 13.58
    rCSI 23.48%
    PRS 69.81
  • adipocyte CL0000136
    CSI 13.39
    rCSI 17.19%
    PRS 68.82
  • bronchus fibroblast of lung CL2000093
    CSI 13.38
    rCSI 10.87%
    PRS 77.7
  • amacrine cell CL0000561
    CSI 13.31
    rCSI 38.57%
    PRS 67.91
  • L5 extratelencephalic projecting glutamatergic cortical neuron CL4023041
    CSI 13.03
    rCSI 46.88%
    PRS 58.27
  • cardiac muscle cell CL0000746
    CSI 12.87
    rCSI 18.46%
    PRS 68.24
  • fibroblast of lung CL0002553
    CSI 12.44
    rCSI 11.58%
    PRS 79
  • retinal bipolar neuron CL0000748
    CSI 12.39
    rCSI 23.21%
    PRS 66.74
  • oligodendrocyte CL0000128
    CSI 12.06
    rCSI 35.65%
    PRS 69.54
  • ependymal cell CL0000065
    CSI 11.88
    rCSI 24.12%
    PRS 56.81
  • glutamatergic neuron CL0000679
    CSI 11.23
    rCSI 23.07%
    PRS 66.2
  • podocyte CL0000653
    CSI 11.18
    rCSI 49.7%
    PRS 78.98
  • retina horizontal cell CL0000745
    CSI 11.09
    rCSI 16.9%
    PRS 75.34
  • lung ciliated cell CL1000271
    CSI 11.01
    rCSI 12.74%
    PRS 70.55
  • kidney loop of Henle thin descending limb epithelial cell CL1001111
    CSI 10.94
    rCSI 15.51%
    PRS 75.17
  • cerebral cortex neuron CL0010012
    CSI 10.51
    rCSI 42.81%
    PRS 70.8
  • myofibroblast cell CL0000186
    CSI 10.41
    rCSI 14.42%
    PRS 75.78
  • epithelial cell of proximal tubule CL0002306
    CSI 10.17
    rCSI 24.83%
    PRS 70.99
  • ionocyte CL0005006
    CSI 9.93
    rCSI 10.65%
    PRS 79.59
  • choroid plexus epithelial cell CL0000706
    CSI 9.69
    rCSI 15.87%
    PRS 67.91
  • skin fibroblast CL0002620
    CSI 9.69
    rCSI 8.35%
    PRS 79.52
  • neuroblast (sensu Vertebrata) CL0000031
    CSI 9.53
    rCSI 12.23%
    PRS 74.55
  • vascular leptomeningeal cell CL4023051
    CSI 9.45
    rCSI 16.57%
    PRS 71.91
  • peripheral nervous system neuron CL2000032
    CSI 9.03
    rCSI 12.31%
    PRS 69.95
  • corticothalamic-projecting glutamatergic cortical neuron CL4023013
    CSI 8.51
    rCSI 50.13%
    PRS 61.09
  • astrocyte of the cerebral cortex CL0002605
    CSI 7.87
    rCSI 17.64%
    PRS 61.16
  • GABAergic neuron CL0000617
    CSI 7.78
    rCSI 26.07%
    PRS 62.57
  • epicardial adipocyte CL1000309
    CSI 7.47
    rCSI 24.29%
    PRS 76.31
  • conjunctival epithelial cell CL1000432
    CSI 7.3
    rCSI 11.15%
    PRS 78.72
  • alveolar adventitial fibroblast CL4028006
    CSI 7.29
    rCSI 11.51%
    PRS 80.04
  • central nervous system neuron CL2000029
    CSI 7.26
    rCSI 53.33%
    PRS 65.79
  • mesenchymal stem cell of adipose tissue CL0002570
    CSI 6.87
    rCSI 38.32%
    PRS 81.95
  • parietal epithelial cell CL1000452
    CSI 6.66
    rCSI 17.8%
    PRS 70.05
  • adventitial cell CL0002503
    CSI 6.56
    rCSI 15.67%
    PRS 82.66
  • starburst amacrine cell CL0004232
    CSI 6.55
    rCSI 55.16%
    PRS 66.54
  • mature astrocyte CL0002627
    CSI 6.29
    rCSI 26.74%
    PRS 70.91
  • endocardial cell CL0002350
    CSI 6.16
    rCSI 29.48%
    PRS 74.97
  • glial cell CL0000125
    CSI 5.92
    rCSI 22.53%
    PRS 69.27
  • tendon cell CL0000388
    CSI 5.91
    rCSI 15.37%
    PRS 85.79
  • fibroblast of cardiac tissue CL0002548
    CSI 5.81
    rCSI 27.82%
    PRS 78.36
  • regular atrial cardiac myocyte CL0002129
    CSI 5.59
    rCSI 17.99%
    PRS 75.47
  • cerebral cortex pyramidal neuron CL4023111
    CSI 5.51
    rCSI 33.91%
    PRS 84.67
  • pancreatic stellate cell CL0002410
    CSI 5.5
    rCSI 31.99%
    PRS 82.38
  • dopaminergic neuron CL0000700
    CSI 5.49
    rCSI 31.03%
    PRS 64.4
  • macroglial cell CL0000126
    CSI 5.33
    rCSI 13.7%
    PRS 75.58
  • serotonergic neuron CL0000850
    CSI 4.93
    rCSI 22.01%
    PRS 62.95
  • retinal pigment epithelial cell CL0002586
    CSI 4.85
    rCSI 9.63%
    PRS 74.33
  • renal interstitial pericyte CL1001318
    CSI 4.78
    rCSI 13.18%
    PRS 73.57
  • pancreatic D cell CL0000173
    CSI 4.49
    rCSI 4.41%
    PRS 81.2
  • retinal ganglion cell CL0000740
    CSI 4.23
    rCSI 9.33%
    PRS 64.24
  • cardiac neuron CL0010022
    CSI 3.76
    rCSI 12.03%
    PRS 75.62
  • basal cell CL0000646
    CSI 3.74
    rCSI 5%
    PRS 77.32
  • Bergmann glial cell CL0000644
    CSI 3.69
    rCSI 5.06%
    PRS 70.4
  • pancreatic PP cell CL0002275
    CSI 3.48
    rCSI 13.86%
    PRS 86.19
  • neural progenitor cell CL0011020
    CSI 3.45
    rCSI 15.16%
    PRS 67.07
  • L6b glutamatergic cortical neuron CL4023038
    CSI 3.23
    rCSI 10.1%
    PRS 61.96
  • stromal cell CL0000499
    CSI 3.17
    rCSI 8.92%
    PRS 73.5
  • kidney loop of Henle thin ascending limb epithelial cell CL1001107
    CSI 3.13
    rCSI 8.09%
    PRS 73.75
  • basket cell CL0000118
    CSI 3.12
    rCSI 19.52%
    PRS 59.13
  • cerebellar neuron CL1001611
    CSI 3.09
    rCSI 27.19%
    PRS 66.93
  • corneal epithelial cell CL0000575
    CSI 2.9
    rCSI 8.29%
    PRS 85.51
  • medium spiny neuron CL1001474
    CSI 2.81
    rCSI 24.25%
    PRS 66.43
  • CD8-positive, alpha-beta memory T cell, CD45RO-positive CL0001203
    CSI 2.67
    rCSI 3.23%
    PRS 59.74
  • fibroblast of breast CL4006000
    CSI 2.48
    rCSI 10.43%
    PRS 84.04
  • direct pathway medium spiny neuron CL4023026
    CSI 2.31
    rCSI 55.35%
    PRS 58.76
  • indirect pathway medium spiny neuron CL4023029
    CSI 2.29
    rCSI 55.17%
    PRS 59.29
  • H1 horizontal cell CL0004217
    CSI 2.28
    rCSI 9.04%
    PRS 74.61
  • luminal cell of prostate epithelium CL0002340
    CSI 2.26
    rCSI 12.13%
    PRS 86.41
  • pancreatic A cell CL0000171
    CSI 1.96
    rCSI 2.05%
    PRS 81.8
  • neuroendocrine cell CL0000165
    CSI 1.94
    rCSI 7.5%
    PRS 87.47
  • neuroplacodal cell CL0000032
    CSI 1.82
    rCSI 16.83%
    PRS 80.48
  • kidney distal convoluted tubule epithelial cell CL1000849
    CSI 1.8
    rCSI 19.02%
    PRS 75.06
  • enteric neuron CL0007011
    CSI 1.39
    rCSI 20.61%
    PRS 85.31
  • type B pancreatic cell CL0000169
    CSI 1.3
    rCSI 2.88%
    PRS 77.73
  • endothelial cell of uterus CL0009095
    CSI 1.3
    rCSI 9.48%
    PRS 86.82
  • H2 horizontal cell CL0004218
    CSI 0.4
    rCSI 2.0%
    PRS 73.5%
  • regular ventricular cardiac myocyte CL0002131
    CSI 1.2
    rCSI 7.8%
    PRS 70.1%
  • endothelial cell of uterus CL0009095
    CSI 1.3
    rCSI 9.5%
    PRS 86.8%
  • type B pancreatic cell CL0000169
    CSI 1.3
    rCSI 2.9%
    PRS 77.7%
  • enteric neuron CL0007011
    CSI 1.4
    rCSI 20.6%
    PRS 85.3%
  • kidney distal convoluted tubule epithelial cell CL1000849
    CSI 1.8
    rCSI 19.0%
    PRS 75.1%
  • neuroplacodal cell CL0000032
    CSI 1.8
    rCSI 16.8%
    PRS 80.5%
  • neuroendocrine cell CL0000165
    CSI 1.9
    rCSI 7.5%
    PRS 87.5%
  • pancreatic A cell CL0000171
    CSI 2.0
    rCSI 2.1%
    PRS 81.8%
  • luminal cell of prostate epithelium CL0002340
    CSI 2.3
    rCSI 12.1%
    PRS 86.4%
  • H1 horizontal cell CL0004217
    CSI 2.3
    rCSI 9.0%
    PRS 74.6%
  • indirect pathway medium spiny neuron CL4023029
    CSI 2.3
    rCSI 55.2%
    PRS 59.3%
  • direct pathway medium spiny neuron CL4023026
    CSI 2.3
    rCSI 55.4%
    PRS 58.8%
  • fibroblast of breast CL4006000
    CSI 2.5
    rCSI 10.4%
    PRS 84.0%
  • CD8-positive, alpha-beta memory T cell, CD45RO-positive CL0001203
    CSI 2.7
    rCSI 3.2%
    PRS 59.7%
  • medium spiny neuron CL1001474
    CSI 2.8
    rCSI 24.3%
    PRS 66.4%
  • corneal epithelial cell CL0000575
    CSI 2.9
    rCSI 8.3%
    PRS 85.5%
  • cerebellar neuron CL1001611
    CSI 3.1
    rCSI 27.2%
    PRS 66.9%
  • basket cell CL0000118
    CSI 3.1
    rCSI 19.5%
    PRS 59.1%
  • kidney loop of Henle thin ascending limb epithelial cell CL1001107
    CSI 3.1
    rCSI 8.1%
    PRS 73.8%
  • stromal cell CL0000499
    CSI 3.2
    rCSI 8.9%
    PRS 73.5%
  • L6b glutamatergic cortical neuron CL4023038
    CSI 3.2
    rCSI 10.1%
    PRS 62.0%
  • neural progenitor cell CL0011020
    CSI 3.5
    rCSI 15.2%
    PRS 67.1%
  • pancreatic PP cell CL0002275
    CSI 3.5
    rCSI 13.9%
    PRS 86.2%
  • Bergmann glial cell CL0000644
    CSI 3.7
    rCSI 5.1%
    PRS 70.4%
  • basal cell CL0000646
    CSI 3.7
    rCSI 5.0%
    PRS 77.3%
  • cardiac neuron CL0010022
    CSI 3.8
    rCSI 12.0%
    PRS 75.6%
  • retinal ganglion cell CL0000740
    CSI 4.2
    rCSI 9.3%
    PRS 64.2%
  • pancreatic D cell CL0000173
    CSI 4.5
    rCSI 4.4%
    PRS 81.2%
  • renal interstitial pericyte CL1001318
    CSI 4.8
    rCSI 13.2%
    PRS 73.6%
  • retinal pigment epithelial cell CL0002586
    CSI 4.9
    rCSI 9.6%
    PRS 74.3%
  • serotonergic neuron CL0000850
    CSI 4.9
    rCSI 22.0%
    PRS 63.0%
  • macroglial cell CL0000126
    CSI 5.3
    rCSI 13.7%
    PRS 75.6%
  • dopaminergic neuron CL0000700
    CSI 5.5
    rCSI 31.0%
    PRS 64.4%
  • pancreatic stellate cell CL0002410
    CSI 5.5
    rCSI 32.0%
    PRS 82.4%
  • cerebral cortex pyramidal neuron CL4023111
    CSI 5.5
    rCSI 33.9%
    PRS 84.7%
  • regular atrial cardiac myocyte CL0002129
    CSI 5.6
    rCSI 18.0%
    PRS 75.5%
  • fibroblast of cardiac tissue CL0002548
    CSI 5.8
    rCSI 27.8%
    PRS 78.4%
  • tendon cell CL0000388
    CSI 5.9
    rCSI 15.4%
    PRS 85.8%
  • glial cell CL0000125
    CSI 5.9
    rCSI 22.5%
    PRS 69.3%
  • endocardial cell CL0002350
    CSI 6.2
    rCSI 29.5%
    PRS 75.0%
  • mature astrocyte CL0002627
    CSI 6.3
    rCSI 26.7%
    PRS 70.9%
  • starburst amacrine cell CL0004232
    CSI 6.6
    rCSI 55.2%
    PRS 66.5%
  • adventitial cell CL0002503
    CSI 6.6
    rCSI 15.7%
    PRS 82.7%
  • parietal epithelial cell CL1000452
    CSI 6.7
    rCSI 17.8%
    PRS 70.1%
  • mesenchymal stem cell of adipose tissue CL0002570
    CSI 6.9
    rCSI 38.3%
    PRS 82.0%
  • central nervous system neuron CL2000029
    CSI 7.3
    rCSI 53.3%
    PRS 65.8%
  • alveolar adventitial fibroblast CL4028006
    CSI 7.3
    rCSI 11.5%
    PRS 80.0%
  • conjunctival epithelial cell CL1000432
    CSI 7.3
    rCSI 11.2%
    PRS 78.7%
  • epicardial adipocyte CL1000309
    CSI 7.5
    rCSI 24.3%
    PRS 76.3%
  • GABAergic neuron CL0000617
    CSI 7.8
    rCSI 26.1%
    PRS 62.6%
  • astrocyte of the cerebral cortex CL0002605
    CSI 7.9
    rCSI 17.6%
    PRS 61.2%
  • corticothalamic-projecting glutamatergic cortical neuron CL4023013
    CSI 8.5
    rCSI 50.1%
    PRS 61.1%
  • peripheral nervous system neuron CL2000032
    CSI 9.0
    rCSI 12.3%
    PRS 70.0%
  • vascular leptomeningeal cell CL4023051
    CSI 9.5
    rCSI 16.6%
    PRS 71.9%
  • neuroblast (sensu Vertebrata) CL0000031
    CSI 9.5
    rCSI 12.2%
    PRS 74.6%
  • skin fibroblast CL0002620
    CSI 9.7
    rCSI 8.4%
    PRS 79.5%
  • choroid plexus epithelial cell CL0000706
    CSI 9.7
    rCSI 15.9%
    PRS 67.9%
  • ionocyte CL0005006
    CSI 9.9
    rCSI 10.7%
    PRS 79.6%
  • epithelial cell of proximal tubule CL0002306
    CSI 10.2
    rCSI 24.8%
    PRS 71.0%
  • myofibroblast cell CL0000186
    CSI 10.4
    rCSI 14.4%
    PRS 75.8%
  • cerebral cortex neuron CL0010012
    CSI 10.5
    rCSI 42.8%
    PRS 70.8%
  • kidney loop of Henle thin descending limb epithelial cell CL1001111
    CSI 10.9
    rCSI 15.5%
    PRS 75.2%
  • lung ciliated cell CL1000271
    CSI 11.0
    rCSI 12.7%
    PRS 70.6%
  • retina horizontal cell CL0000745
    CSI 11.1
    rCSI 16.9%
    PRS 75.3%
  • podocyte CL0000653
    CSI 11.2
    rCSI 49.7%
    PRS 79.0%
  • glutamatergic neuron CL0000679
    CSI 11.2
    rCSI 23.1%
    PRS 66.2%
  • ependymal cell CL0000065
    CSI 11.9
    rCSI 24.1%
    PRS 56.8%
  • oligodendrocyte CL0000128
    CSI 12.1
    rCSI 35.7%
    PRS 69.5%
  • retinal bipolar neuron CL0000748
    CSI 12.4
    rCSI 23.2%
    PRS 66.7%
  • fibroblast of lung CL0002553
    CSI 12.4
    rCSI 11.6%
    PRS 79.0%
  • cardiac muscle cell CL0000746
    CSI 12.9
    rCSI 18.5%
    PRS 68.2%
  • L5 extratelencephalic projecting glutamatergic cortical neuron CL4023041
    CSI 13.0
    rCSI 46.9%
    PRS 58.3%
  • amacrine cell CL0000561
    CSI 13.3
    rCSI 38.6%
    PRS 67.9%
  • bronchus fibroblast of lung CL2000093
    CSI 13.4
    rCSI 10.9%
    PRS 77.7%
  • adipocyte CL0000136
    CSI 13.4
    rCSI 17.2%
    PRS 68.8%
  • cerebral cortex endothelial cell CL1001602
    CSI 13.6
    rCSI 23.5%
    PRS 69.8%
  • neural cell CL0002319
    CSI 13.9
    rCSI 52.6%
    PRS 61.3%
  • glycinergic amacrine cell CL4030028
    CSI 14.9
    rCSI 38.7%
    PRS 73.5%
  • Schwann cell CL0002573
    CSI 15.0
    rCSI 42.7%
    PRS 74.6%
  • near-projecting glutamatergic cortical neuron CL4023012
    CSI 15.1
    rCSI 57.0%
    PRS 60.8%
  • epithelial cell CL0000066
    CSI 15.6
    rCSI 24.0%
    PRS 68.4%
  • neuron CL0000540
    CSI 15.7
    rCSI 41.7%
    PRS 66.4%
  • GABAergic amacrine cell CL4030027
    CSI 15.9
    rCSI 54.4%
    PRS 65.1%
  • L5/6 near-projecting glutamatergic neuron CL4030067
    CSI 16.0
    rCSI 52.6%
    PRS 65.0%
  • Mueller cell CL0000636
    CSI 16.0
    rCSI 36.6%
    PRS 70.0%
  • inhibitory interneuron CL0000498
    CSI 16.1
    rCSI 37.2%
    PRS 66.4%
  • L2/3 intratelencephalic projecting glutamatergic neuron CL4030059
    CSI 17.4
    rCSI 37.8%
    PRS 66.3%
  • oligodendrocyte precursor cell CL0002453
    CSI 17.9
    rCSI 39.4%
    PRS 61.1%
  • chandelier pvalb GABAergic cortical interneuron CL4023036
    CSI 18.9
    rCSI 59.1%
    PRS 64.4%
  • keratocyte CL0002363
    CSI 19.5
    rCSI 46.8%
    PRS 82.0%
  • interneuron CL0000099
    CSI 20.8
    rCSI 41.7%
    PRS 68.5%
  • differentiation-committed oligodendrocyte precursor CL4023059
    CSI 21.2
    rCSI 38.6%
    PRS 69.9%
  • L2/3-6 intratelencephalic projecting glutamatergic neuron CL4023040
    CSI 22.1
    rCSI 53.6%
    PRS 58.3%
  • L4 intratelencephalic projecting glutamatergic neuron CL4030063
    CSI 22.8
    rCSI 54.6%
    PRS 65.5%
  • VIP GABAergic cortical interneuron CL4023016
    CSI 25.3
    rCSI 30.2%
    PRS 60.3%
  • caudal ganglionic eminence derived cortical interneuron CL4023064
    CSI 29.3
    rCSI 51.7%
    PRS 59.6%
  • sncg GABAergic cortical interneuron CL4023015
    CSI 32.4
    rCSI 52.1%
    PRS 62.0%
  • lamp5 GABAergic cortical interneuron CL4023011
    CSI 34.3
    rCSI 57.6%
    PRS 60.3%
  • pvalb GABAergic cortical interneuron CL4023018
    CSI 36.8
    rCSI 45.7%
    PRS 58.2%

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 [SPOCK1](/details-gene/6695), also known as Testican-1, is a protein-coding gene located on chromosome 5q31.2. It encodes a multi-domain proteoglycan that belongs to the SPARC (Secreted Protein Acidic and Rich in Cysteine) family of matricellular proteins [Link](https://doi.org/10.1111/j.1432-1033.1993.tb17930.x). As a secreted protein found in the extracellular space ([GO:0005615](https://www.ebi.ac.uk/QuickGO/term/GO:0005615)), [SPOCK1](/details-gene/6695) functions primarily as an inhibitor of various endopeptidases, including cysteine-type ([GO:0004869](https://www.ebi.ac.uk/QuickGO/term/GO:0004869)) and serine-type ([GO:0004867](https://www.ebi.ac.uk/QuickGO/term/GO:0004867)) proteases. Expression data indicates a highly significant and specific role within the central nervous system, where it is a prominent marker for a wide array of neuronal cell types, including [cerebellar granule cells](/details-cell/CL0001031) and various cortical interneurons. Its functions are closely tied to nervous system development ([GO:0007399](https://www.ebi.ac.uk/QuickGO/term/GO:0007399)), cell adhesion ([GO:0007155](https://www.ebi.ac.uk/QuickGO/term/GO:0007155)), and the regulation of neuronal architecture. A clinical association for this gene has been noted in OMIM ([602264](https://omim.org/entry/602264)). ## Cellular Roles and Expression Landscape The expression profile of [SPOCK1](/details-gene/6695) underscores its profound importance in the central nervous system. **Overall**, the gene exhibits its highest significance in a diverse range of neuronal populations. It is a top marker for [cerebellar granule cells](/details-cell/CL0001031) (CSI: 39.07), a fundamental excitatory neuron in the cerebellum. Furthermore, it shows exceptionally high significance across multiple subtypes of inhibitory GABAergic cortical interneurons, including [sst GABAergic cortical interneurons](/details-cell/CL4023017), [pvalb GABAergic cortical interneurons](/details-cell/CL4023018), and [lamp5 GABAergic cortical interneurons](/details-cell/CL4023011). Its high expression extends to glutamatergic excitatory neurons, such as [L4 intratelencephalic projecting glutamatergic neurons](/details-cell/CL4030063) and [L2/3-6 intratelencephalic projecting glutamatergic neurons](/details-cell/CL4023040). Beyond mature neurons, [SPOCK1](/details-gene/6695) is also significantly expressed in glial precursor cells, specifically [differentiation-committed oligodendrocyte precursors](/details-cell/CL4023059) and [oligodendrocyte precursor cells](/details-cell/CL0002453). This suggests a potential role not only in neuronal function and maintenance but also in myelination or glial development. The collective data strongly indicate that [SPOCK1](/details-gene/6695) is a key molecular player involved in establishing and maintaining the complex cellular architecture of the brain. ## Pathways and Molecular Function The functions of [SPOCK1](/details-gene/6695) are intrinsically linked to its role as a modulator of the extracellular environment, which is consistent with its primary localization to the extracellular space ([GO:0005615](https://www.ebi.ac.uk/QuickGO/term/GO:0005615)) and at synaptic structures like the [postsynaptic density](/details-cell/GO:0014069). Its molecular function is dominated by its ability to bind calcium ions ([GO:0005509](https://www.ebi.ac.uk/QuickGO/term/GO:0005509)) and act as a potent inhibitor of metalloendopeptidases ([GO:0008191](https://www.ebi.ac.uk/QuickGO/term/GO:0008191)) and other proteases. This inhibitory activity likely underlies its involvement in key biological processes. Functionally, [SPOCK1](/details-gene/6695) is annotated in pathways critical for brain development, including neurogenesis ([GO:0022008](https://www.ebi.ac.uk/QuickGO/term/GO:0022008)), [central nervous system neuron differentiation](/details-cell/GO:0021953), and [neuron migration](/details-cell/GO:0001764). By regulating protease activity in the extracellular matrix, [SPOCK1](/details-gene/6695) may control the remodeling of the cellular environment necessary for neurons to migrate, extend projections, and form stable connections. This is further supported by its role in negatively regulating both cell-substrate adhesion ([GO:0010812](https://www.ebi.ac.uk/QuickGO/term/GO:0010812)) and neuron projection development ([GO:0010977](https://www.ebi.ac.uk/QuickGO/term/GO:0010977)), suggesting it helps refine and stabilize neural circuits. ## Research Directions The specific and high-level expression of [SPOCK1](/details-gene/6695) in numerous neuronal subtypes, combined with its function as an extracellular protease inhibitor, positions it as a critical regulator of neural circuit formation and stability. Further investigation is warranted to elucidate its precise roles in both healthy brain function and neuropathological conditions. **Proposed Hypotheses:** 1. Given its high expression across diverse cortical interneurons and its annotated role in neuron migration, [SPOCK1](/details-gene/6695) is hypothesized to be essential for the correct laminar positioning and integration of these inhibitory neurons into cortical circuits during embryonic and early postnatal development. 2. Based on its localization to synaptic compartments and its function as a protease inhibitor, [SPOCK1](/details-gene/6695) may regulate synaptic plasticity by controlling the activity of extracellular proteases (e.g., matrix metalloproteinases) that are known to cleave synaptic adhesion molecules and remodel the perineuronal net. **Experimental Approach:** To test the second hypothesis, a conditional knockout mouse model could be generated to specifically delete [SPOCK1](/details-gene/6695) in forebrain excitatory neurons (e.g., using a CaMKIIa-Cre driver). Electrophysiological recordings from hippocampal slices of these mice could then be performed to measure long-term potentiation (LTP) and long-term depression (LTD). An aberrant plasticity phenotype compared to wild-type littermates would support a role for [SPOCK1](/details-gene/6695) in this process. Furthermore, changes in the cleavage of known protease substrates at the synapse could be assessed via Western blot or mass spectrometry. **Therapeutic Potential:** As a secreted protease inhibitor predominantly expressed in the CNS, [SPOCK1](/details-gene/6695) presents an intriguing but challenging therapeutic target. In conditions characterized by excessive extracellular matrix degradation and uncontrolled protease activity, such as traumatic brain injury, neuroinflammation, or the invasive margins of brain tumors like glioblastoma, administration of a recombinant [SPOCK1](/details-gene/6695) protein or a peptide mimetic could be a potential strategy for tissue protection and inhibition of invasion. Conversely, if [SPOCK1](/details-gene/6695) is found to inhibit proteases that are beneficial (e.g., those involved in clearing protein aggregates in neurodegenerative diseases), then targeted inhibition via therapeutic antibodies or small molecules could be explored. The main challenge would be the delivery of such therapeutics across the blood-brain barrier.

Genular Protein ID: 2103839081

Symbol: TICN1_HUMAN

Name: Testican-1

UniProtKB Accession Codes:

Database IDs:

Citations:

PubMed ID: 8389704

Title: Testican, a multidomain testicular proteoglycan resembling modulators of cell social behaviour.

PubMed ID: 8389704

DOI: 10.1111/j.1432-1033.1993.tb17930.x

PubMed ID: 9272383

Title: Endothelial cell expression of testican mRNA.

PubMed ID: 9272383

DOI: 10.3109/10623329709053399

PubMed ID: 14702039

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

PubMed ID: 14702039

DOI: 10.1038/ng1285

PubMed ID: 15372022

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

PubMed ID: 15372022

DOI: 10.1038/nature02919

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: 1463459

Title: Characterization of a human seminal plasma glycosaminoglycan-bearing polypeptide.

PubMed ID: 1463459

DOI: 10.1042/bj2880565

PubMed ID: 23234360

Title: LC-MS/MS characterization of O-glycosylation sites and glycan structures of human cerebrospinal fluid glycoproteins.

PubMed ID: 23234360

DOI: 10.1021/pr300963h

Sequence Information:

  • Length: 439
  • Mass: 49124
  • Checksum: 1971601D90F1D0AD
  • Sequence:
  • MPAIAVLAAA AAAWCFLQVE SRHLDALAGG AGPNHGNFLD NDQWLSTVSQ YDRDKYWNRF 
    RDDDYFRNWN PNKPFDQALD PSKDPCLKVK CSPHKVCVTQ DYQTALCVSR KHLLPRQKKG 
    NVAQKHWVGP SNLVKCKPCP VAQSAMVCGS DGHSYTSKCK LEFHACSTGK SLATLCDGPC 
    PCLPEPEPPK HKAERSACTD KELRNLASRL KDWFGALHED ANRVIKPTSS NTAQGRFDTS 
    ILPICKDSLG WMFNKLDMNY DLLLDPSEIN AIYLDKYEPC IKPLFNSCDS FKDGKLSNNE 
    WCYCFQKPGG LPCQNEMNRI QKLSKGKSLL GAFIPRCNEE GYYKATQCHG STGQCWCVDK 
    YGNELAGSRK QGAVSCEEEQ ETSGDFGSGG SVVLLDDLEY ERELGPKDKE GKLRVHTRAV 
    TEDDEDEDDD KEDEVGYIW