Details for: SPOCK2

Gene ID: 9806

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: SPOCK2

Ensembl ID: ENSG00000107742

Description: SPARC (osteonectin), cwcv and kazal like domains proteoglycan 2

Cell Significance Landscape

Associated with

Significant Cells

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

  • central memory CD8-positive, alpha-beta T cell CL0000907
    CSI 80.97
    rCSI 54.55%
    PRS 51.42
  • T-helper 17 cell CL0000899
    CSI 50.02
    rCSI 39.72%
    PRS 63.45
  • CD4-positive helper T cell CL0000492
    CSI 45.11
    rCSI 34.12%
    PRS 53.53
  • mucosal invariant T cell CL0000940
    CSI 35.8
    rCSI 28.93%
    PRS 52.61
  • CD8-positive, CD28-negative, alpha-beta regulatory T cell CL0000920
    CSI 32.83
    rCSI 65.45%
    PRS 59.53
  • lamp5 GABAergic cortical interneuron CL4023011
    CSI 26.38
    rCSI 44.28%
    PRS 27.32
  • double-positive, alpha-beta thymocyte CL0000809
    CSI 22.62
    rCSI 23.05%
    PRS 54.47
  • group 3 innate lymphoid cell CL0001071
    CSI 21.92
    rCSI 16.47%
    PRS 44.88
  • CD4-positive, CD25-positive, alpha-beta regulatory T cell CL0000792
    CSI 21.7
    rCSI 21.31%
    PRS 56.83
  • retinal blood vessel endothelial cell CL0002585
    CSI 17.08
    rCSI 27.27%
    PRS 45.3
  • podocyte CL0000653
    CSI 16.17
    rCSI 71.84%
    PRS 40.38
  • regulatory T cell CL0000815
    CSI 14.82
    rCSI 17.18%
    PRS 64.29
  • T-helper 1 cell CL0000545
    CSI 14.21
    rCSI 25.64%
    PRS 68.66
  • cerebral cortex endothelial cell CL1001602
    CSI 13.76
    rCSI 23.79%
    PRS 33.12
  • effector memory CD4-positive, alpha-beta T cell CL0000905
    CSI 13.28
    rCSI 18.09%
    PRS 69.47
  • chandelier pvalb GABAergic cortical interneuron CL4023036
    CSI 12.26
    rCSI 38.34%
    PRS 30.53
  • activated CD4-positive, alpha-beta T cell CL0000896
    CSI 12.21
    rCSI 11.28%
    PRS 62.01
  • glioblast CL0000030
    CSI 12.15
    rCSI 19.38%
    PRS 36.11
  • T follicular helper cell CL0002038
    CSI 11.76
    rCSI 8.8%
    PRS 56.18
  • class switched memory B cell CL0000972
    CSI 11.67
    rCSI 8.71%
    PRS 59.96
  • CD4-positive, alpha-beta memory T cell CL0000897
    CSI 11.08
    rCSI 7.95%
    PRS 54.13
  • naive thymus-derived CD8-positive, alpha-beta T cell CL0000900
    CSI 10.38
    rCSI 7.29%
    PRS 64.63
  • pulmonary alveolar type 1 cell CL0002062
    CSI 9.61
    rCSI 55.41%
    PRS 44.29
  • epithelial cell CL0000066
    CSI 9.58
    rCSI 14.73%
    PRS 44.54
  • dopaminergic neuron CL0000700
    CSI 9.43
    rCSI 53.27%
    PRS 29.19
  • pvalb GABAergic cortical interneuron CL4023018
    CSI 9.42
    rCSI 11.72%
    PRS 25.91
  • interneuron CL0000099
    CSI 9.22
    rCSI 18.51%
    PRS 32.38
  • granulocyte CL0000094
    CSI 9.14
    rCSI 13.97%
    PRS 50.54
  • central memory CD4-positive, alpha-beta T cell CL0000904
    CSI 9.07
    rCSI 5.36%
    PRS 56.05
  • helper T cell CL0000912
    CSI 8.95
    rCSI 12.66%
    PRS 50.79
  • mononuclear phagocyte CL0000113
    CSI 8.73
    rCSI 19.22%
    PRS 45.54
  • gamma-delta T cell CL0000798
    CSI 8.72
    rCSI 10.24%
    PRS 82.46
  • effector CD8-positive, alpha-beta T cell CL0001050
    CSI 8.44
    rCSI 6.42%
    PRS 52.7
  • CD8-positive, alpha-beta memory T cell CL0000909
    CSI 8.25
    rCSI 8.62%
    PRS 72.12
  • mature T cell CL0002419
    CSI 8.25
    rCSI 6.41%
    PRS 58.02
  • mature alpha-beta T cell CL0000791
    CSI 8.24
    rCSI 29.83%
    PRS 60.72
  • mature NK T cell CL0000814
    CSI 8.18
    rCSI 10.46%
    PRS 74.61
  • naive T cell CL0000898
    CSI 7.54
    rCSI 5.25%
    PRS 54.2
  • sst GABAergic cortical interneuron CL4023017
    CSI 7.28
    rCSI 9.38%
    PRS 28.23
  • activated CD8-positive, alpha-beta T cell, human CL0001049
    CSI 7.19
    rCSI 12.29%
    PRS 62.62
  • fallopian tube secretory epithelial cell CL4030006
    CSI 7.09
    rCSI 6.83%
    PRS 42.27
  • precursor B cell CL0000817
    CSI 6.84
    rCSI 5.99%
    PRS 51.16
  • CD16-negative, CD56-bright natural killer cell, human CL0000938
    CSI 6.73
    rCSI 5.05%
    PRS 74.35
  • platelet CL0000233
    CSI 6.66
    rCSI 27.62%
    PRS 51.57
  • CD4-positive, alpha-beta thymocyte CL0000810
    CSI 6.54
    rCSI 5.24%
    PRS 63.06
  • alpha-beta T cell CL0000789
    CSI 6.46
    rCSI 7.57%
    PRS 56.77
  • caudal ganglionic eminence derived cortical interneuron CL4023064
    CSI 6.45
    rCSI 11.39%
    PRS 26.35
  • activated CD8-positive, alpha-beta T cell CL0000906
    CSI 6.38
    rCSI 6.27%
    PRS 69.63
  • CD16-positive, CD56-dim natural killer cell, human CL0000939
    CSI 6.31
    rCSI 4.2%
    PRS 67.65
  • sncg GABAergic cortical interneuron CL4023015
    CSI 5.92
    rCSI 9.52%
    PRS 29.32
  • VIP GABAergic cortical interneuron CL4023016
    CSI 5.9
    rCSI 7.04%
    PRS 27.25
  • naive thymus-derived CD4-positive, alpha-beta T cell CL0000895
    CSI 5.7
    rCSI 7.16%
    PRS 79.8
  • retinal ganglion cell CL0000740
    CSI 5.61
    rCSI 12.4%
    PRS 31.04
  • inhibitory interneuron CL0000498
    CSI 5.5
    rCSI 12.69%
    PRS 34.35
  • CD8-positive, alpha-beta cytotoxic T cell CL0000794
    CSI 5.46
    rCSI 6.52%
    PRS 61.9
  • CD8-positive, alpha-beta memory T cell, CD45RO-positive CL0001203
    CSI 5.41
    rCSI 6.55%
    PRS 38.55
  • brain vascular cell CL4023072
    CSI 4.95
    rCSI 51.21%
    PRS 38.32
  • effector memory CD8-positive, alpha-beta T cell CL0000913
    CSI 4.89
    rCSI 4.45%
    PRS 56.46
  • early lymphoid progenitor CL0000936
    CSI 4.86
    rCSI 4.27%
    PRS 46.5
  • cerebellar granule cell CL0001031
    CSI 4.81
    rCSI 7.07%
    PRS 38.23
  • ON-bipolar cell CL0000749
    CSI 4.7
    rCSI 6.98%
    PRS 44.63
  • erythrocyte CL0000232
    CSI 4.67
    rCSI 10.6%
    PRS 47.43
  • mature B cell CL0000785
    CSI 4.54
    rCSI 3.95%
    PRS 50.45
  • astrocyte of the cerebral cortex CL0002605
    CSI 4.41
    rCSI 9.9%
    PRS 27.97
  • kidney loop of Henle thin ascending limb epithelial cell CL1001107
    CSI 4.29
    rCSI 11.1%
    PRS 38.21
  • double negative thymocyte CL0002489
    CSI 4.18
    rCSI 2.91%
    PRS 49.86
  • glial cell CL0000125
    CSI 4.18
    rCSI 15.91%
    PRS 36.05
  • Bergmann glial cell CL0000644
    CSI 4.04
    rCSI 5.53%
    PRS 38.7
  • Cajal-Retzius cell CL0000695
    CSI 4.04
    rCSI 31.64%
    PRS 58.97
  • rod bipolar cell CL0000751
    CSI 4.01
    rCSI 7.2%
    PRS 35.6
  • serotonergic neuron CL0000850
    CSI 4
    rCSI 17.85%
    PRS 29.14
  • monocyte CL0000576
    CSI 3.98
    rCSI 7.19%
    PRS 64.34
  • CD34-positive, CD56-positive, CD117-positive common innate lymphoid precursor, human CL0001074
    CSI 3.91
    rCSI 45.36%
    PRS 77.78
  • CD8-positive, alpha-beta thymocyte CL0000811
    CSI 3.84
    rCSI 6%
    PRS 68.78
  • effector CD4-positive, alpha-beta T cell CL0001044
    CSI 3.8
    rCSI 10.89%
    PRS 58.78
  • kidney loop of Henle thin descending limb epithelial cell CL1001111
    CSI 3.76
    rCSI 5.33%
    PRS 38.96
  • retinal bipolar neuron CL0000748
    CSI 3.59
    rCSI 6.73%
    PRS 32.31
  • memory T cell CL0000813
    CSI 3.57
    rCSI 6.87%
    PRS 71.59
  • immature B cell CL0000816
    CSI 3.52
    rCSI 2.62%
    PRS 54.51
  • vascular leptomeningeal cell CL4023051
    CSI 3.41
    rCSI 5.98%
    PRS 34.73
  • OFF-bipolar cell CL0000750
    CSI 3.29
    rCSI 4.5%
    PRS 51.83
  • glutamatergic neuron CL0000679
    CSI 3.01
    rCSI 6.19%
    PRS 36.98
  • corticothalamic-projecting glutamatergic cortical neuron CL4023013
    CSI 3
    rCSI 17.66%
    PRS 28.58
  • cerebral cortex neuron CL0010012
    CSI 2.94
    rCSI 11.96%
    PRS 39.8
  • innate lymphoid cell CL0001065
    CSI 2.92
    rCSI 6.02%
    PRS 48.65
  • enteroendocrine cell CL0000164
    CSI 2.91
    rCSI 3.97%
    PRS 44.32
  • cerebellar neuron CL1001611
    CSI 2.85
    rCSI 25.12%
    PRS 31.17
  • CD4-positive, alpha-beta cytotoxic T cell CL0000934
    CSI 2.73
    rCSI 3.75%
    PRS 62.42
  • central nervous system neuron CL2000029
    CSI 2.71
    rCSI 19.94%
    PRS 30.59
  • lung resident memory CD8-positive, alpha-beta T cell CL4033039
    CSI 2.7
    rCSI 6.98%
    PRS 73.14
  • mature astrocyte CL0002627
    CSI 2.68
    rCSI 11.4%
    PRS 39.89
  • L6b glutamatergic cortical neuron CL4023038
    CSI 2.59
    rCSI 8.1%
    PRS 28.41
  • dendritic cell, human CL0001056
    CSI 2.52
    rCSI 3.87%
    PRS 48.41
  • GABAergic amacrine cell CL4030027
    CSI 2.52
    rCSI 8.62%
    PRS 34.32
  • parietal epithelial cell CL1000452
    CSI 2.5
    rCSI 6.68%
    PRS 35.34
  • neural progenitor cell CL0011020
    CSI 2.42
    rCSI 10.64%
    PRS 35.98
  • plasmablast CL0000980
    CSI 2.36
    rCSI 1.85%
    PRS 47.9
  • activated type II NK T cell CL0000931
    CSI 2.3
    rCSI 2.59%
    PRS 57.66
  • L5 extratelencephalic projecting glutamatergic cortical neuron CL4023041
    CSI 2.29
    rCSI 8.23%
    PRS 26.24
  • stem cell CL0000034
    CSI 2.2
    rCSI 2.12%
    PRS 32.95
  • NKp44-negative group 3 innate lymphoid cell, human CL0001080
    CSI 0.3
    rCSI 8.4%
    PRS 88.6%
  • double negative T regulatory cell CL0011024
    CSI 0.3
    rCSI 5.6%
    PRS 84.9%
  • activated CD4-positive, alpha-beta T cell, human CL0001043
    CSI 0.5
    rCSI 1.1%
    PRS 84.5%
  • group 2 innate lymphoid cell CL0001069
    CSI 0.5
    rCSI 2.9%
    PRS 77.3%
  • cytotoxic T cell CL0000910
    CSI 0.7
    rCSI 3.7%
    PRS 53.9%
  • L4 intratelencephalic projecting glutamatergic neuron CL4030063
    CSI 0.8
    rCSI 1.8%
    PRS 32.0%
  • macroglial cell CL0000126
    CSI 0.8
    rCSI 2.0%
    PRS 44.8%
  • ON midget ganglion cell CL4033046
    CSI 0.9
    rCSI 19.2%
    PRS 35.2%
  • ON parasol ganglion cell CL4033052
    CSI 1.0
    rCSI 13.7%
    PRS 35.0%
  • OFF midget ganglion cell CL4033047
    CSI 1.1
    rCSI 21.4%
    PRS 36.3%
  • L2/3 intratelencephalic projecting glutamatergic neuron CL4030059
    CSI 1.1
    rCSI 2.3%
    PRS 32.7%
  • medium spiny neuron CL1001474
    CSI 1.1
    rCSI 9.4%
    PRS 30.2%
  • L5/6 near-projecting glutamatergic neuron CL4030067
    CSI 1.1
    rCSI 3.6%
    PRS 31.4%
  • IgG plasma cell CL0000985
    CSI 1.1
    rCSI 1.3%
    PRS 60.6%
  • glycinergic amacrine cell CL4030028
    CSI 1.2
    rCSI 3.0%
    PRS 41.6%
  • transitional stage B cell CL0000818
    CSI 1.2
    rCSI 3.9%
    PRS 73.8%
  • effector memory CD8-positive, alpha-beta T cell, terminally differentiated CL0001062
    CSI 1.2
    rCSI 6.2%
    PRS 52.4%
  • basket cell CL0000118
    CSI 1.4
    rCSI 8.7%
    PRS 28.3%
  • direct pathway medium spiny neuron CL4023026
    CSI 1.4
    rCSI 33.9%
    PRS 26.7%
  • amacrine cell CL0000561
    CSI 1.4
    rCSI 4.1%
    PRS 33.9%
  • CD8-alpha-alpha-positive, alpha-beta intraepithelial T cell CL0000915
    CSI 1.5
    rCSI 6.8%
    PRS 77.9%
  • retina horizontal cell CL0000745
    CSI 1.5
    rCSI 2.3%
    PRS 38.6%
  • differentiation-committed oligodendrocyte precursor CL4023059
    CSI 1.7
    rCSI 3.1%
    PRS 35.8%
  • near-projecting glutamatergic cortical neuron CL4023012
    CSI 1.7
    rCSI 6.4%
    PRS 28.2%
  • indirect pathway medium spiny neuron CL4023029
    CSI 1.7
    rCSI 41.3%
    PRS 27.6%
  • natural T-regulatory cell CL0000903
    CSI 1.7
    rCSI 3.3%
    PRS 75.7%
  • GABAergic neuron CL0000617
    CSI 1.9
    rCSI 6.3%
    PRS 31.1%
  • pericyte CL0000669
    CSI 2.1
    rCSI 5.6%
    PRS 44.4%
  • L2/3-6 intratelencephalic projecting glutamatergic neuron CL4023040
    CSI 2.1
    rCSI 5.2%
    PRS 26.5%
  • stem cell CL0000034
    CSI 2.2
    rCSI 2.1%
    PRS 33.0%
  • L5 extratelencephalic projecting glutamatergic cortical neuron CL4023041
    CSI 2.3
    rCSI 8.2%
    PRS 26.2%
  • activated type II NK T cell CL0000931
    CSI 2.3
    rCSI 2.6%
    PRS 57.7%
  • plasmablast CL0000980
    CSI 2.4
    rCSI 1.9%
    PRS 47.9%
  • neural progenitor cell CL0011020
    CSI 2.4
    rCSI 10.6%
    PRS 36.0%
  • parietal epithelial cell CL1000452
    CSI 2.5
    rCSI 6.7%
    PRS 35.3%
  • GABAergic amacrine cell CL4030027
    CSI 2.5
    rCSI 8.6%
    PRS 34.3%
  • dendritic cell, human CL0001056
    CSI 2.5
    rCSI 3.9%
    PRS 48.4%
  • L6b glutamatergic cortical neuron CL4023038
    CSI 2.6
    rCSI 8.1%
    PRS 28.4%
  • mature astrocyte CL0002627
    CSI 2.7
    rCSI 11.4%
    PRS 39.9%
  • lung resident memory CD8-positive, alpha-beta T cell CL4033039
    CSI 2.7
    rCSI 7.0%
    PRS 73.1%
  • central nervous system neuron CL2000029
    CSI 2.7
    rCSI 19.9%
    PRS 30.6%
  • CD4-positive, alpha-beta cytotoxic T cell CL0000934
    CSI 2.7
    rCSI 3.8%
    PRS 62.4%
  • cerebellar neuron CL1001611
    CSI 2.9
    rCSI 25.1%
    PRS 31.2%
  • enteroendocrine cell CL0000164
    CSI 2.9
    rCSI 4.0%
    PRS 44.3%
  • innate lymphoid cell CL0001065
    CSI 2.9
    rCSI 6.0%
    PRS 48.7%
  • cerebral cortex neuron CL0010012
    CSI 2.9
    rCSI 12.0%
    PRS 39.8%
  • corticothalamic-projecting glutamatergic cortical neuron CL4023013
    CSI 3.0
    rCSI 17.7%
    PRS 28.6%
  • glutamatergic neuron CL0000679
    CSI 3.0
    rCSI 6.2%
    PRS 37.0%
  • OFF-bipolar cell CL0000750
    CSI 3.3
    rCSI 4.5%
    PRS 51.8%
  • vascular leptomeningeal cell CL4023051
    CSI 3.4
    rCSI 6.0%
    PRS 34.7%
  • immature B cell CL0000816
    CSI 3.5
    rCSI 2.6%
    PRS 54.5%
  • memory T cell CL0000813
    CSI 3.6
    rCSI 6.9%
    PRS 71.6%
  • retinal bipolar neuron CL0000748
    CSI 3.6
    rCSI 6.7%
    PRS 32.3%
  • kidney loop of Henle thin descending limb epithelial cell CL1001111
    CSI 3.8
    rCSI 5.3%
    PRS 39.0%
  • effector CD4-positive, alpha-beta T cell CL0001044
    CSI 3.8
    rCSI 10.9%
    PRS 58.8%
  • CD8-positive, alpha-beta thymocyte CL0000811
    CSI 3.8
    rCSI 6.0%
    PRS 68.8%
  • CD34-positive, CD56-positive, CD117-positive common innate lymphoid precursor, human CL0001074
    CSI 3.9
    rCSI 45.4%
    PRS 77.8%
  • monocyte CL0000576
    CSI 4.0
    rCSI 7.2%
    PRS 64.3%
  • serotonergic neuron CL0000850
    CSI 4.0
    rCSI 17.9%
    PRS 29.1%
  • rod bipolar cell CL0000751
    CSI 4.0
    rCSI 7.2%
    PRS 35.6%
  • Cajal-Retzius cell CL0000695
    CSI 4.0
    rCSI 31.6%
    PRS 59.0%
  • Bergmann glial cell CL0000644
    CSI 4.0
    rCSI 5.5%
    PRS 38.7%
  • glial cell CL0000125
    CSI 4.2
    rCSI 15.9%
    PRS 36.1%
  • double negative thymocyte CL0002489
    CSI 4.2
    rCSI 2.9%
    PRS 49.9%
  • kidney loop of Henle thin ascending limb epithelial cell CL1001107
    CSI 4.3
    rCSI 11.1%
    PRS 38.2%
  • astrocyte of the cerebral cortex CL0002605
    CSI 4.4
    rCSI 9.9%
    PRS 28.0%
  • mature B cell CL0000785
    CSI 4.5
    rCSI 4.0%
    PRS 50.5%
  • erythrocyte CL0000232
    CSI 4.7
    rCSI 10.6%
    PRS 47.4%
  • ON-bipolar cell CL0000749
    CSI 4.7
    rCSI 7.0%
    PRS 44.6%
  • cerebellar granule cell CL0001031
    CSI 4.8
    rCSI 7.1%
    PRS 38.2%
  • early lymphoid progenitor CL0000936
    CSI 4.9
    rCSI 4.3%
    PRS 46.5%
  • effector memory CD8-positive, alpha-beta T cell CL0000913
    CSI 4.9
    rCSI 4.5%
    PRS 56.5%
  • brain vascular cell CL4023072
    CSI 5.0
    rCSI 51.2%
    PRS 38.3%
  • CD8-positive, alpha-beta memory T cell, CD45RO-positive CL0001203
    CSI 5.4
    rCSI 6.6%
    PRS 38.6%
  • CD8-positive, alpha-beta cytotoxic T cell CL0000794
    CSI 5.5
    rCSI 6.5%
    PRS 61.9%
  • inhibitory interneuron CL0000498
    CSI 5.5
    rCSI 12.7%
    PRS 34.4%
  • retinal ganglion cell CL0000740
    CSI 5.6
    rCSI 12.4%
    PRS 31.0%
  • naive thymus-derived CD4-positive, alpha-beta T cell CL0000895
    CSI 5.7
    rCSI 7.2%
    PRS 79.8%
  • VIP GABAergic cortical interneuron CL4023016
    CSI 5.9
    rCSI 7.0%
    PRS 27.3%
  • sncg GABAergic cortical interneuron CL4023015
    CSI 5.9
    rCSI 9.5%
    PRS 29.3%
  • CD16-positive, CD56-dim natural killer cell, human CL0000939
    CSI 6.3
    rCSI 4.2%
    PRS 67.7%
  • activated CD8-positive, alpha-beta T cell CL0000906
    CSI 6.4
    rCSI 6.3%
    PRS 69.6%
  • caudal ganglionic eminence derived cortical interneuron CL4023064
    CSI 6.5
    rCSI 11.4%
    PRS 26.4%
  • alpha-beta T cell CL0000789
    CSI 6.5
    rCSI 7.6%
    PRS 56.8%
  • CD4-positive, alpha-beta thymocyte CL0000810
    CSI 6.5
    rCSI 5.2%
    PRS 63.1%
  • platelet CL0000233
    CSI 6.7
    rCSI 27.6%
    PRS 51.6%
  • CD16-negative, CD56-bright natural killer cell, human CL0000938
    CSI 6.7
    rCSI 5.1%
    PRS 74.4%
  • precursor B cell CL0000817
    CSI 6.8
    rCSI 6.0%
    PRS 51.2%
  • fallopian tube secretory epithelial cell CL4030006
    CSI 7.1
    rCSI 6.8%
    PRS 42.3%
  • activated CD8-positive, alpha-beta T cell, human CL0001049
    CSI 7.2
    rCSI 12.3%
    PRS 62.6%
  • sst GABAergic cortical interneuron CL4023017
    CSI 7.3
    rCSI 9.4%
    PRS 28.2%
  • naive T cell CL0000898
    CSI 7.5
    rCSI 5.3%
    PRS 54.2%
  • mature NK T cell CL0000814
    CSI 8.2
    rCSI 10.5%
    PRS 74.6%
  • mature alpha-beta T cell CL0000791
    CSI 8.2
    rCSI 29.8%
    PRS 60.7%
  • mature T cell CL0002419
    CSI 8.3
    rCSI 6.4%
    PRS 58.0%
  • CD8-positive, alpha-beta memory T cell CL0000909
    CSI 8.3
    rCSI 8.6%
    PRS 72.1%
  • effector CD8-positive, alpha-beta T cell CL0001050
    CSI 8.4
    rCSI 6.4%
    PRS 52.7%
  • gamma-delta T cell CL0000798
    CSI 8.7
    rCSI 10.2%
    PRS 82.5%
  • mononuclear phagocyte CL0000113
    CSI 8.7
    rCSI 19.2%
    PRS 45.5%
  • helper T cell CL0000912
    CSI 9.0
    rCSI 12.7%
    PRS 50.8%

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.
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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 [SPOCK2](/details-gene/9806), also known as Testican-2, is a protein-coding gene located on chromosome 10q22.1. It encodes a secreted proteoglycan that belongs to the SPARC family. Functionally, [SPOCK2](/details-gene/9806) is implicated in the organization of the [extracellular matrix](/details-cell/GO0031012), where it binds calcium ions and glycosaminoglycans and exhibits [metalloendopeptidase inhibitor activity](/details-cell/GO0008191) [Link](https://doi.org/10.1046/j.1471-4159.1999.0730012.x). Its biological roles include the positive regulation of cell motility and adhesion, as well as synapse assembly. Expression data indicates that [SPOCK2](/details-gene/9806) is a highly significant marker for several adaptive immune cell lineages, with particularly strong and specific expression noted in T lymphocyte subsets, most prominently in [central memory CD8-positive, alpha-beta T cell](/details-cell/CL0000907). ## Cellular Roles and Expression Landscape The `**Overall**` expression profile of [SPOCK2](/details-gene/9806) strongly suggests a primary role within the immune system, particularly in the T cell compartment. The gene shows the highest significance in [central memory CD8-positive, alpha-beta T cell](/details-cell/CL0000907) (CSI: 80.97), indicating it may be a key factor in the identity or function of this long-lived immune surveillance population. Its prominence extends across a diverse array of T lymphocytes, including high significance in both helper and regulatory lineages such as [T-helper 17 cell](/details-cell/CL0000899), [CD4-positive helper T cell](/details-cell/CL0000492), and multiple types of [regulatory T cell](/details-cell/CL0000815). This broad but specific expression pattern across functionally distinct T cell subsets suggests a fundamental role in T cell biology, potentially related to tissue migration, activation, or survival, which are processes reliant on extracellular matrix interactions. Beyond the immune system, [SPOCK2](/details-gene/9806) also displays notable significance in specialized non-hematopoietic cells. Its expression in [lamp5 GABAergic cortical interneuron](/details-cell/CL4023011) is consistent with initial findings that cloned the gene from brain tissue and its annotated role in [synapse assembly](/details-cell/GO0007416) [Link](https://doi.org/10.1093/dnares/3.5.321). Furthermore, its expression in [retinal blood vessel endothelial cell](/details-cell/CL0002585) and [cerebral cortex endothelial cell](/details-cell/CL1001602) suggests a potential role in vascular biology or the regulation of blood-tissue barriers. ## Pathways and Molecular Function The molecular functions of [SPOCK2](/details-gene/9806) are centered on its identity as a secreted, matrix-associated protein. Its annotation for [extracellular matrix organization](/details-cell/GO0030198) provides a direct link to its role in structuring the cellular microenvironment. This is accomplished through its ability to bind key structural components, as evidenced by its roles in [calcium ion binding](/details-cell/GO0005509), [glycosaminoglycan binding](/details-cell/GO0005539), and direct [extracellular matrix binding](/details-cell/GO0050840). A critical function of [SPOCK2](/details-gene/9806) is its activity as a [metalloendopeptidase inhibitor](/details-cell/GO0008191), which suggests it can locally regulate the activity of matrix metalloproteinases (MMPs). By controlling MMPs, [SPOCK2](/details-gene/9806) can influence tissue remodeling, a process crucial for cell migration and tissue infiltration. This inhibitory function is consistent with its involvement in biological processes such as [positive regulation of cell motility](/details-cell/GO2000147) and [positive regulation of cell-substrate adhesion](/details-cell/GO0010811), as controlled proteolysis is essential for dynamic cell movement. The connection to [synapse assembly](/details-cell/GO0007416) highlights its specialized role in the central nervous system, where remodeling of the perineuronal net is critical for synaptic plasticity. ## Research Directions The specific and high-level expression of [SPOCK2](/details-gene/9806) in memory T cells, combined with its function as an extracellular matrix modulator, points toward several testable hypotheses regarding its role in immunity and disease. 1. **Hypothesis on T Cell Tissue Residency:** The secretion of [SPOCK2](/details-gene/9806) by [central memory CD8-positive, alpha-beta T cell](/details-cell/CL0000907) may be critical for establishing and maintaining tissue-resident memory T cell (Trm) niches. By inhibiting local metalloproteinases and organizing the ECM, [SPOCK2](/details-gene/9806) could create a stable microenvironment that promotes Trm survival and retention, preventing their egress from peripheral tissues. 2. **Hypothesis on Neuro-Immune Crosstalk:** Given its expression in both T cells and neurons, [SPOCK2](/details-gene/9806) may act as a communication molecule at the neuro-immune interface. In conditions like multiple sclerosis or viral encephalitis, T cell-derived [SPOCK2](/details-gene/9806) could directly modulate synaptic function or neuronal health, either protectively by stabilizing synapses or pathologically by disrupting neuronal networks. **Proposed Experiment:** To investigate the role of [SPOCK2](/details-gene/9806) in establishing tissue-resident memory T cells (Hypothesis 1), a mouse model with a conditional knockout of `Spock2` specifically in T cells (e.g., using a CD4-Cre driver) would be employed. These mice, along with wild-type controls, would be subjected to a skin infection model (e.g., with Vaccinia virus) known to generate a robust Trm population. At a late time point post-infection (>30 days), the number, phenotype, and spatial localization of Trm cells in the resolved skin tissue would be quantified using flow cytometry and immunofluorescence microscopy. A significant reduction in Trm cell numbers or altered localization in the knockout mice would support the hypothesis that T cell-derived [SPOCK2](/details-gene/9806) is essential for Trm maintenance. **Therapeutic Potential:** As a secreted protein, [SPOCK2](/details-gene/9806) is an accessible therapeutic target. Its potential is likely context-dependent. In cancer immunotherapy, augmenting [SPOCK2](/details-gene/9806) function or delivery could enhance the infiltration and persistence of tumor-specific T cells in the tumor microenvironment. Conversely, in autoimmune diseases or chronic inflammatory conditions characterized by pathological T cell accumulation and tissue damage (e.g., rheumatoid arthritis), a neutralizing antibody targeting [SPOCK2](/details-gene/9806) could represent a viable therapeutic strategy to limit T cell-mediated tissue remodeling and destruction. Inhibition would likely be the preferred approach in such inflammatory settings.

Genular Protein ID: 1776726250

Symbol: TICN2_HUMAN

Name: Testican-2

UniProtKB Accession Codes:

Database IDs:

Citations:

PubMed ID: 10386950

Title: Molecular cloning of testican-2: defining a novel calcium-binding proteoglycan family expressed in brain.

PubMed ID: 10386950

DOI: 10.1046/j.1471-4159.1999.0730012.x

PubMed ID: 9039502

Title: Prediction of the coding sequences of unidentified human genes. VI. The coding sequences of 80 new genes (KIAA0201-KIAA0280) deduced by analysis of cDNA clones from cell line KG-1 and brain.

PubMed ID: 9039502

DOI: 10.1093/dnares/3.5.321

PubMed ID: 12975309

Title: The secreted protein discovery initiative (SPDI), a large-scale effort to identify novel human secreted and transmembrane proteins: a bioinformatics assessment.

PubMed ID: 12975309

DOI: 10.1101/gr.1293003

PubMed ID: 14702039

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

PubMed ID: 14702039

DOI: 10.1038/ng1285

PubMed ID: 15164054

Title: The DNA sequence and comparative analysis of human chromosome 10.

PubMed ID: 15164054

DOI: 10.1038/nature02462

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: 15340161

Title: Signal peptide prediction based on analysis of experimentally verified cleavage sites.

PubMed ID: 15340161

DOI: 10.1110/ps.04682504

PubMed ID: 26091039

Title: A single kinase generates the majority of the secreted phosphoproteome.

PubMed ID: 26091039

DOI: 10.1016/j.cell.2015.05.028

Sequence Information:

  • Length: 424
  • Mass: 46779
  • Checksum: B7894E657FC2257F
  • Sequence:
  • MRAPGCGRLV LPLLLLAAAA LAEGDAKGLK EGETPGNFME DEQWLSSISQ YSGKIKHWNR 
    FRDEVEDDYI KSWEDNQQGD EALDTTKDPC QKVKCSRHKV CIAQGYQRAM CISRKKLEHR 
    IKQPTVKLHG NKDSICKPCH MAQLASVCGS DGHTYSSVCK LEQQACLSSK QLAVRCEGPC 
    PCPTEQAATS TADGKPETCT GQDLADLGDR LRDWFQLLHE NSKQNGSASS VAGPASGLDK 
    SLGASCKDSI GWMFSKLDTS ADLFLDQTEL AAINLDKYEV CIRPFFNSCD TYKDGRVSTA 
    EWCFCFWREK PPCLAELERI QIQEAAKKKP GIFIPSCDED GYYRKMQCDQ SSGDCWCVDQ 
    LGLELTGTRT HGSPDCDDIV GFSGDFGSGV GWEDEEEKET EEAGEEAEEE EGEAGEADDG 
    GYIW