Details for: INPP4B

Gene ID: 8821

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: INPP4B

Ensembl ID: ENSG00000109452

Description: inositol polyphosphate-4-phosphatase type II B

Selected Context(s):  Overall

Cell Significance Landscape

Contexts:

Associated with

Significant Cells

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

  • VIP GABAergic cortical interneuron CL4023016
    CSI 69.94
    rCSI 83.54%
    PRS 51.62
  • pvalb GABAergic cortical interneuron CL4023018
    CSI 66.24
    rCSI 82.41%
    PRS 49.86
  • sncg GABAergic cortical interneuron CL4023015
    CSI 52.28
    rCSI 84.08%
    PRS 53.66
  • cardiac muscle cell CL0000746
    CSI 48.8
    rCSI 70.02%
    PRS 60.08
  • caudal ganglionic eminence derived cortical interneuron CL4023064
    CSI 44.62
    rCSI 78.8%
    PRS 50.87
  • lamp5 GABAergic cortical interneuron CL4023011
    CSI 44.39
    rCSI 74.51%
    PRS 51.76
  • vascular leptomeningeal cell CL4023051
    CSI 38.29
    rCSI 67.13%
    PRS 63.07
  • interneuron CL0000099
    CSI 34.84
    rCSI 69.95%
    PRS 59.83
  • sst GABAergic cortical interneuron CL4023017
    CSI 34.58
    rCSI 44.58%
    PRS 53.16
  • L4 intratelencephalic projecting glutamatergic neuron CL4030063
    CSI 32.28
    rCSI 77.2%
    PRS 57.29
  • L2/3-6 intratelencephalic projecting glutamatergic neuron CL4023040
    CSI 30.36
    rCSI 73.79%
    PRS 50.17
  • L2/3 intratelencephalic projecting glutamatergic neuron CL4030059
    CSI 27.84
    rCSI 60.4%
    PRS 58.26
  • chandelier pvalb GABAergic cortical interneuron CL4023036
    CSI 26.28
    rCSI 82.19%
    PRS 56.04
  • neuron CL0000540
    CSI 25.35
    rCSI 67.5%
    PRS 58.9
  • renal interstitial pericyte CL1001318
    CSI 25.16
    rCSI 69.34%
    PRS 65.52
  • contractile cell CL0000183
    CSI 24.64
    rCSI 72.73%
    PRS 69.69
  • naive thymus-derived CD8-positive, alpha-beta T cell CL0000900
    CSI 24.26
    rCSI 17.04%
    PRS 86.59
  • L5/6 near-projecting glutamatergic neuron CL4030067
    CSI 22.17
    rCSI 72.86%
    PRS 57.07
  • CD4-positive, CD25-positive, alpha-beta regulatory T cell CL0000792
    CSI 20.66
    rCSI 20.29%
    PRS 85.2
  • inhibitory interneuron CL0000498
    CSI 20.36
    rCSI 47%
    PRS 58.69
  • chondrocyte CL0000138
    CSI 20.01
    rCSI 31.83%
    PRS 63.26
  • L5 extratelencephalic projecting glutamatergic cortical neuron CL4023041
    CSI 19.93
    rCSI 71.73%
    PRS 49.95
  • near-projecting glutamatergic cortical neuron CL4023012
    CSI 19.82
    rCSI 74.91%
    PRS 52.34
  • lung secretory cell CL1000272
    CSI 19.68
    rCSI 48.71%
    PRS 69.39
  • vascular associated smooth muscle cell CL0000359
    CSI 19.08
    rCSI 61.89%
    PRS 69.83
  • naive T cell CL0000898
    CSI 17.98
    rCSI 12.51%
    PRS 85.14
  • mucosal invariant T cell CL0000940
    CSI 17.2
    rCSI 13.9%
    PRS 80.91
  • microcirculation associated smooth muscle cell CL0008035
    CSI 16.86
    rCSI 48.82%
    PRS 71.16
  • mural cell CL0008034
    CSI 16.01
    rCSI 54.23%
    PRS 65.15
  • activated CD4-positive, alpha-beta T cell CL0000896
    CSI 15.54
    rCSI 14.37%
    PRS 87.6
  • hepatic stellate cell CL0000632
    CSI 15.39
    rCSI 57.64%
    PRS 62.55
  • GABAergic amacrine cell CL4030027
    CSI 15.21
    rCSI 52.08%
    PRS 58.28
  • mucus secreting cell CL0000319
    CSI 15.04
    rCSI 23.88%
    PRS 80.67
  • retinal ganglion cell CL0000740
    CSI 14.27
    rCSI 31.52%
    PRS 56.44
  • goblet cell CL0000160
    CSI 13.45
    rCSI 12.71%
    PRS 69.87
  • glutamatergic neuron CL0000679
    CSI 13.33
    rCSI 27.39%
    PRS 59.26
  • regular atrial cardiac myocyte CL0002129
    CSI 13.3
    rCSI 42.81%
    PRS 68.29
  • secretory cell CL0000151
    CSI 13.21
    rCSI 13.78%
    PRS 70.59
  • neural cell CL0002319
    CSI 12.89
    rCSI 48.65%
    PRS 54.43
  • pericyte CL0000669
    CSI 12.66
    rCSI 33.73%
    PRS 52.89
  • CD8-positive, alpha-beta cytotoxic T cell CL0000794
    CSI 12.48
    rCSI 14.9%
    PRS 87.77
  • rod bipolar cell CL0000751
    CSI 12.24
    rCSI 21.99%
    PRS 63.63
  • myofibroblast cell CL0000186
    CSI 11.93
    rCSI 16.52%
    PRS 69.93
  • L6b glutamatergic cortical neuron CL4023038
    CSI 11.93
    rCSI 37.27%
    PRS 53.58
  • Mueller cell CL0000636
    CSI 11.77
    rCSI 26.87%
    PRS 61.95
  • alpha-beta T cell CL0000789
    CSI 11.73
    rCSI 13.75%
    PRS 85.62
  • mononuclear phagocyte CL0000113
    CSI 11.34
    rCSI 24.96%
    PRS 74.82
  • neural crest cell CL0011012
    CSI 11.15
    rCSI 8.81%
    PRS 57.81
  • melanocyte CL0000148
    CSI 11.14
    rCSI 8.25%
    PRS 63.43
  • CD4-positive, alpha-beta thymocyte CL0000810
    CSI 11.05
    rCSI 8.85%
    PRS 87.6
  • GABAergic neuron CL0000617
    CSI 10.93
    rCSI 36.62%
    PRS 55
  • effector CD8-positive, alpha-beta T cell CL0001050
    CSI 10.72
    rCSI 8.16%
    PRS 83.36
  • corticothalamic-projecting glutamatergic cortical neuron CL4023013
    CSI 10.7
    rCSI 62.99%
    PRS 52.87
  • ciliated cell CL0000064
    CSI 10.56
    rCSI 17.11%
    PRS 66.17
  • myoepithelial cell CL0000185
    CSI 10.52
    rCSI 26.62%
    PRS 77.39
  • CD8-positive, alpha-beta memory T cell, CD45RO-positive CL0001203
    CSI 10.46
    rCSI 12.67%
    PRS 54.16
  • retinal bipolar neuron CL0000748
    CSI 10.31
    rCSI 19.32%
    PRS 58.3
  • ependymal cell CL0000065
    CSI 10.29
    rCSI 20.88%
    PRS 48.82
  • CD4-positive, alpha-beta memory T cell CL0000897
    CSI 10.17
    rCSI 7.3%
    PRS 84.07
  • brush cell of tracheobronchial tree CL0002075
    CSI 10.04
    rCSI 29.79%
    PRS 80.28
  • adipocyte CL0000136
    CSI 9.45
    rCSI 12.14%
    PRS 61.89
  • mesangial cell CL0000650
    CSI 9.1
    rCSI 37.09%
    PRS 81.66
  • central memory CD8-positive, alpha-beta T cell CL0000907
    CSI 9.08
    rCSI 6.12%
    PRS 83.75
  • perivascular cell CL4033054
    CSI 9.03
    rCSI 12.35%
    PRS 76.15
  • group 3 innate lymphoid cell CL0001071
    CSI 8.98
    rCSI 6.75%
    PRS 76.49
  • blood vessel endothelial cell CL0000071
    CSI 8.81
    rCSI 18.29%
    PRS 67.68
  • glioblast CL0000030
    CSI 8.61
    rCSI 13.74%
    PRS 62.28
  • central nervous system neuron CL2000029
    CSI 8.51
    rCSI 62.52%
    PRS 57.23
  • renal beta-intercalated cell CL0002201
    CSI 8.46
    rCSI 20.17%
    PRS 71.07
  • kidney interstitial alternatively activated macrophage CL1000695
    CSI 8.12
    rCSI 21.16%
    PRS 71.11
  • epithelial cell of proximal tubule CL0002306
    CSI 8.11
    rCSI 19.81%
    PRS 63.63
  • alveolar type 1 fibroblast cell CL4028004
    CSI 8.04
    rCSI 8.8%
    PRS 73.77
  • dopaminergic neuron CL0000700
    CSI 8.04
    rCSI 45.42%
    PRS 55.89
  • regular ventricular cardiac myocyte CL0002131
    CSI 7.99
    rCSI 49.92%
    PRS 61.98
  • megakaryocyte-erythroid progenitor cell CL0000050
    CSI 7.83
    rCSI 7.07%
    PRS 67.95
  • cerebral cortex endothelial cell CL1001602
    CSI 7.74
    rCSI 13.39%
    PRS 61.03
  • naive thymus-derived CD4-positive, alpha-beta T cell CL0000895
    CSI 7.73
    rCSI 9.72%
    PRS 90.86
  • colon epithelial cell CL0011108
    CSI 7.7
    rCSI 8.06%
    PRS 67.55
  • astrocyte of the cerebral cortex CL0002605
    CSI 7.67
    rCSI 17.2%
    PRS 52.39
  • smooth muscle cell CL0000192
    CSI 7.65
    rCSI 18.25%
    PRS 70.75
  • cardiac endothelial cell CL0010008
    CSI 7.46
    rCSI 30.08%
    PRS 70
  • fibroblast of cardiac tissue CL0002548
    CSI 6.95
    rCSI 33.31%
    PRS 70.61
  • endocardial cell CL0002350
    CSI 6.93
    rCSI 33.16%
    PRS 68.5
  • stem cell CL0000034
    CSI 6.77
    rCSI 6.53%
    PRS 62.29
  • effector memory CD4-positive, alpha-beta T cell CL0000905
    CSI 6.69
    rCSI 9.11%
    PRS 90.93
  • diffuse bipolar 4 cell CL4033031
    CSI 6.68
    rCSI 76.56%
    PRS 60.71
  • kidney interstitial fibroblast CL1000692
    CSI 6.59
    rCSI 35.05%
    PRS 62.07
  • fibroblast of lung CL0002553
    CSI 6.48
    rCSI 6.03%
    PRS 71.36
  • Bergmann glial cell CL0000644
    CSI 6.3
    rCSI 8.62%
    PRS 62.83
  • conjunctival epithelial cell CL1000432
    CSI 6.29
    rCSI 9.61%
    PRS 71.32
  • double negative thymocyte CL0002489
    CSI 6.29
    rCSI 4.37%
    PRS 82.04
  • choroid plexus epithelial cell CL0000706
    CSI 6.18
    rCSI 10.13%
    PRS 59.62
  • effector memory CD8-positive, alpha-beta T cell CL0000913
    CSI 6.15
    rCSI 5.6%
    PRS 84.02
  • pancreatic acinar cell CL0002064
    CSI 5.98
    rCSI 7.95%
    PRS 76.94
  • retina horizontal cell CL0000745
    CSI 5.98
    rCSI 9.11%
    PRS 66.86
  • cerebral cortex neuron CL0010012
    CSI 5.91
    rCSI 24.1%
    PRS 63.43
  • T follicular helper cell CL0002038
    CSI 5.79
    rCSI 4.34%
    PRS 84.59
  • activated CD8-positive, alpha-beta T cell, human CL0001049
    CSI 5.73
    rCSI 9.8%
    PRS 85.94
  • early lymphoid progenitor CL0000936
    CSI 5.73
    rCSI 5.03%
    PRS 75.99
  • luminal epithelial cell of mammary gland CL0002326
    CSI 5.71
    rCSI 10.37%
    PRS 83.87
  • endothelial cell of placenta CL0009092
    CSI 0.4
    rCSI 1.8%
    PRS 80.8%
  • myeloid lineage restricted progenitor cell CL0000839
    CSI 0.5
    rCSI 2.8%
    PRS 89.0%
  • CD34-positive, CD56-positive, CD117-positive common innate lymphoid precursor, human CL0001074
    CSI 0.6
    rCSI 6.4%
    PRS 90.0%
  • diffuse bipolar 1 cell CL4033027
    CSI 1.1
    rCSI 8.2%
    PRS 62.9%
  • epicardial adipocyte CL1000309
    CSI 1.1
    rCSI 3.6%
    PRS 69.8%
  • pancreatic ductal cell CL0002079
    CSI 1.1
    rCSI 2.1%
    PRS 74.0%
  • diffuse bipolar 2 cell CL4033028
    CSI 1.2
    rCSI 9.3%
    PRS 65.9%
  • cytotoxic T cell CL0000910
    CSI 1.2
    rCSI 6.9%
    PRS 77.7%
  • kidney distal convoluted tubule epithelial cell CL1000849
    CSI 1.2
    rCSI 13.0%
    PRS 67.9%
  • invaginating midget bipolar cell CL4033034
    CSI 1.2
    rCSI 7.2%
    PRS 63.8%
  • flat midget bipolar cell CL4033033
    CSI 1.3
    rCSI 9.4%
    PRS 62.5%
  • smooth muscle cell of prostate CL1000487
    CSI 1.4
    rCSI 8.1%
    PRS 81.0%
  • Hofbauer cell CL3000001
    CSI 1.5
    rCSI 2.7%
    PRS 80.6%
  • stromal cell CL0000499
    CSI 1.5
    rCSI 4.1%
    PRS 66.4%
  • alveolar adventitial fibroblast CL4028006
    CSI 1.5
    rCSI 2.4%
    PRS 72.7%
  • kidney loop of Henle thin ascending limb epithelial cell CL1001107
    CSI 1.5
    rCSI 3.9%
    PRS 65.5%
  • lung resident memory CD4-positive, alpha-beta T cell CL4033038
    CSI 1.5
    rCSI 15.1%
    PRS 91.1%
  • extravillous trophoblast CL0008036
    CSI 1.6
    rCSI 2.0%
    PRS 67.6%
  • smooth muscle cell of the pulmonary artery CL0002591
    CSI 1.7
    rCSI 12.7%
    PRS 75.0%
  • ciliated epithelial cell CL0000067
    CSI 1.7
    rCSI 1.5%
    PRS 58.6%
  • small intestine goblet cell CL1000495
    CSI 1.9
    rCSI 4.1%
    PRS 77.4%
  • renal principal cell CL0005009
    CSI 1.9
    rCSI 4.9%
    PRS 73.0%
  • pancreatic A cell CL0000171
    CSI 1.9
    rCSI 2.0%
    PRS 74.1%
  • helper T cell CL0000912
    CSI 1.9
    rCSI 2.7%
    PRS 73.1%
  • intestinal tuft cell CL0019032
    CSI 2.0
    rCSI 3.0%
    PRS 75.0%
  • group 2 innate lymphoid cell CL0001069
    CSI 2.0
    rCSI 11.0%
    PRS 92.3%
  • enteroendocrine cell of small intestine CL0009006
    CSI 2.2
    rCSI 4.8%
    PRS 81.3%
  • respiratory suprabasal cell CL4033048
    CSI 2.3
    rCSI 2.9%
    PRS 74.8%
  • CD8-positive, CD28-negative, alpha-beta regulatory T cell CL0000920
    CSI 2.4
    rCSI 4.7%
    PRS 85.3%
  • diffuse bipolar 6 cell CL4033032
    CSI 2.4
    rCSI 12.7%
    PRS 63.5%
  • lung resident memory CD8-positive, alpha-beta T cell CL4033039
    CSI 2.5
    rCSI 6.4%
    PRS 91.0%
  • pancreatic D cell CL0000173
    CSI 2.5
    rCSI 2.5%
    PRS 73.2%
  • kidney loop of Henle thick ascending limb epithelial cell CL1001106
    CSI 2.5
    rCSI 21.8%
    PRS 66.5%
  • CD4-positive helper T cell CL0000492
    CSI 2.5
    rCSI 1.9%
    PRS 83.8%
  • T-helper 17 cell CL0000899
    CSI 2.6
    rCSI 2.0%
    PRS 89.5%
  • ciliated columnar cell of tracheobronchial tree CL0002145
    CSI 2.7
    rCSI 6.1%
    PRS 65.7%
  • epithelial cell of lower respiratory tract CL0002632
    CSI 2.8
    rCSI 2.2%
    PRS 73.8%
  • corneal epithelial cell CL0000575
    CSI 2.8
    rCSI 8.1%
    PRS 80.0%
  • fast muscle cell CL0000190
    CSI 2.8
    rCSI 11.1%
    PRS 69.8%
  • paneth cell of epithelium of small intestine CL1000343
    CSI 2.9
    rCSI 8.0%
    PRS 80.2%
  • intestinal crypt stem cell of small intestine CL0009017
    CSI 3.0
    rCSI 8.1%
    PRS 77.0%
  • brain vascular cell CL4023072
    CSI 3.0
    rCSI 31.1%
    PRS 64.7%
  • innate lymphoid cell CL0001065
    CSI 3.0
    rCSI 6.2%
    PRS 70.0%
  • glycinergic amacrine cell CL4030028
    CSI 3.1
    rCSI 8.1%
    PRS 66.7%
  • indirect pathway medium spiny neuron CL4023029
    CSI 3.2
    rCSI 77.2%
    PRS 51.4%
  • direct pathway medium spiny neuron CL4023026
    CSI 3.2
    rCSI 77.4%
    PRS 50.8%
  • mature alpha-beta T cell CL0000791
    CSI 3.2
    rCSI 11.7%
    PRS 87.7%
  • respiratory basal cell CL0002633
    CSI 3.3
    rCSI 3.4%
    PRS 76.0%
  • kidney loop of Henle thin descending limb epithelial cell CL1001111
    CSI 3.3
    rCSI 4.7%
    PRS 66.8%
  • BEST4+ enteroycte CL4030026
    CSI 3.3
    rCSI 4.1%
    PRS 72.4%
  • OFF midget ganglion cell CL4033047
    CSI 3.4
    rCSI 68.9%
    PRS 62.3%
  • macroglial cell CL0000126
    CSI 3.4
    rCSI 8.8%
    PRS 68.8%
  • serotonergic neuron CL0000850
    CSI 3.4
    rCSI 15.4%
    PRS 54.3%
  • exhausted T cell CL0011025
    CSI 3.6
    rCSI 60.9%
    PRS 86.3%
  • myeloid dendritic cell CL0000782
    CSI 3.7
    rCSI 5.3%
    PRS 85.4%
  • retinal pigment epithelial cell CL0002586
    CSI 3.7
    rCSI 7.3%
    PRS 67.1%
  • hematopoietic stem cell CL0000037
    CSI 3.7
    rCSI 2.5%
    PRS 73.4%
  • ON midget ganglion cell CL4033046
    CSI 3.8
    rCSI 77.4%
    PRS 60.8%
  • tracheobronchial smooth muscle cell CL0019019
    CSI 3.9
    rCSI 6.8%
    PRS 77.7%
  • amacrine cell CL0000561
    CSI 3.9
    rCSI 11.4%
    PRS 59.7%
  • blood vessel smooth muscle cell CL0019018
    CSI 4.0
    rCSI 32.1%
    PRS 64.1%
  • podocyte CL0000653
    CSI 4.1
    rCSI 18.2%
    PRS 70.9%
  • mature T cell CL0002419
    CSI 4.2
    rCSI 3.3%
    PRS 86.7%
  • effector CD4-positive, alpha-beta T cell CL0001044
    CSI 4.3
    rCSI 12.2%
    PRS 88.7%
  • duct epithelial cell CL0000068
    CSI 4.3
    rCSI 6.3%
    PRS 75.5%
  • neural progenitor cell CL0011020
    CSI 4.3
    rCSI 19.1%
    PRS 59.7%
  • kidney connecting tubule epithelial cell CL1000768
    CSI 4.4
    rCSI 11.1%
    PRS 60.2%
  • hematopoietic multipotent progenitor cell CL0000837
    CSI 4.4
    rCSI 10.6%
    PRS 86.2%
  • kidney collecting duct intercalated cell CL1001432
    CSI 4.4
    rCSI 31.5%
    PRS 70.0%
  • diffuse bipolar 3b cell CL4033030
    CSI 4.5
    rCSI 30.0%
    PRS 66.7%
  • diffuse bipolar 3a cell CL4033029
    CSI 4.7
    rCSI 31.8%
    PRS 64.9%
  • Kupffer cell CL0000091
    CSI 4.7
    rCSI 10.8%
    PRS 71.3%
  • lung pericyte CL0009089
    CSI 4.8
    rCSI 12.7%
    PRS 79.0%
  • keratocyte CL0002363
    CSI 4.8
    rCSI 11.6%
    PRS 76.3%
  • activated CD8-positive, alpha-beta T cell CL0000906
    CSI 4.9
    rCSI 4.8%
    PRS 87.5%
  • cerebellar granule cell CL0001031
    CSI 5.0
    rCSI 7.3%
    PRS 63.6%
  • glial cell CL0000125
    CSI 5.0
    rCSI 18.9%
    PRS 61.1%
  • central memory CD4-positive, alpha-beta T cell CL0000904
    CSI 5.0
    rCSI 3.0%
    PRS 86.8%
  • ON parasol ganglion cell CL4033052
    CSI 5.1
    rCSI 72.3%
    PRS 61.6%
  • retinal blood vessel endothelial cell CL0002585
    CSI 5.2
    rCSI 8.3%
    PRS 74.8%
  • differentiation-committed oligodendrocyte precursor CL4023059
    CSI 5.2
    rCSI 9.5%
    PRS 62.0%
  • lung ciliated cell CL1000271
    CSI 5.3
    rCSI 6.1%
    PRS 61.6%
  • medium spiny neuron CL1001474
    CSI 5.5
    rCSI 47.2%
    PRS 57.6%
  • squamous epithelial cell CL0000076
    CSI 5.5
    rCSI 13.0%
    PRS 72.8%
  • parietal epithelial cell CL1000452
    CSI 5.6
    rCSI 15.0%
    PRS 61.5%
  • H2 horizontal cell CL0004218
    CSI 5.6
    rCSI 28.0%
    PRS 66.4%
  • basket cell CL0000118
    CSI 5.6
    rCSI 35.3%
    PRS 52.5%
  • luminal epithelial cell of mammary gland CL0002326
    CSI 5.7
    rCSI 10.4%
    PRS 83.9%
  • early lymphoid progenitor CL0000936
    CSI 5.7
    rCSI 5.0%
    PRS 76.0%
  • activated CD8-positive, alpha-beta T cell, human CL0001049
    CSI 5.7
    rCSI 9.8%
    PRS 85.9%
  • T follicular helper cell CL0002038
    CSI 5.8
    rCSI 4.3%
    PRS 84.6%
  • cerebral cortex neuron CL0010012
    CSI 5.9
    rCSI 24.1%
    PRS 63.4%
  • retina horizontal cell CL0000745
    CSI 6.0
    rCSI 9.1%
    PRS 66.9%
  • pancreatic acinar cell CL0002064
    CSI 6.0
    rCSI 8.0%
    PRS 76.9%
  • effector memory CD8-positive, alpha-beta T cell CL0000913
    CSI 6.2
    rCSI 5.6%
    PRS 84.0%
  • choroid plexus epithelial cell CL0000706
    CSI 6.2
    rCSI 10.1%
    PRS 59.6%
  • double negative thymocyte CL0002489
    CSI 6.3
    rCSI 4.4%
    PRS 82.0%
  • conjunctival epithelial cell CL1000432
    CSI 6.3
    rCSI 9.6%
    PRS 71.3%
  • Bergmann glial cell CL0000644
    CSI 6.3
    rCSI 8.6%
    PRS 62.8%
  • fibroblast of lung CL0002553
    CSI 6.5
    rCSI 6.0%
    PRS 71.4%

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 Inositol polyphosphate-4-phosphatase type II B, encoded by the [INPP4B](/details-gene/8821) gene, is a lipid phosphatase that plays a critical role in phosphoinositide signaling pathways. It specifically dephosphorylates phosphatidylinositol-3,4-bisphosphate (PI(3,4)P2) at the 4-position, thereby acting as a negative regulator of the PI3K signaling cascade. Expression data reveals that **Overall**, [INPP4B](/details-gene/8821) is most significantly expressed in the central nervous system, with particularly high significance in various subtypes of cortical interneurons, such as [VIP GABAergic cortical interneurons](/details-cell/CL4023016) and [pvalb GABAergic cortical interneurons](/details-cell/CL4023018). This expression pattern suggests a specialized function in regulating neuronal excitability and synaptic transmission. Its established role as a tumor suppressor further highlights its importance in maintaining cellular homeostasis ([Link](https://doi.org/10.1016/j.ccr.2009.06.006)). ## Cellular Roles and Expression Landscape The expression profile of [INPP4B](/details-gene/8821) strongly indicates a primary role in the central nervous system, particularly in modulating the activity of inhibitory interneurons. - **Predominance in Neuronal Subtypes:** The **Overall** context shows the highest significance scores for [INPP4B](/details-gene/8821) in a range of cortical interneurons, including [VIP GABAergic cortical interneuron](/details-cell/CL4023016) (CSI: 69.94), [pvalb GABAergic cortical interneuron](/details-cell/CL4023018) (CSI: 66.24), [sncg GABAergic cortical interneuron](/details-cell/CL4023015) (CSI: 52.28), and [sst GABAergic cortical interneuron](/details-cell/CL4023017) (CSI: 34.58). Its significance extends to glutamatergic neurons, such as [L4 intratelencephalic projecting glutamatergic neurons](/details-cell/CL4030063), albeit at lower levels. This collective enrichment points to a fundamental role in regulating the delicate balance of excitation and inhibition within cortical circuits. - **Role Beyond the CNS:** A notable finding is the high significance of [INPP4B](/details-gene/8821) in [cardiac muscle cells](/details-cell/CL0000746) (CSI: 48.80), suggesting a conserved function in phosphoinositide signaling within electrically excitable cells outside the brain. Its presence in [renal interstitial pericytes](/details-cell/CL1001318) and [vascular leptomeningeal cells](/details-cell/CL4023051) also suggests a potential role in vascular and renal physiology. ## Pathways and Molecular Function The molecular functions of [INPP4B](/details-gene/8821) are centered on the metabolism of inositol phosphates, a critical class of second messengers. - **Lipid Phosphatase Activity:** Functional annotations confirm that [INPP4B](/details-gene/8821) possesses [phosphatidylinositol-3,4-bisphosphate 4-phosphatase activity](/details-go/GO:0016316). By converting PI(3,4)P2 to PI(3)P, it directly counteracts the activity of the PI3K pathway, which is integral to [signal transduction](/details-go/GO:0007165) controlling cell growth, proliferation, and survival. This mechanism is central to its function in both normal physiology and its role as a tumor suppressor ([Link](https://doi.org/10.1016/j.ccr.2009.06.006)). - **Involvement in Metabolic Pathways:** Reactome data places [INPP4B](/details-gene/8821) within the broader contexts of [Inositol phosphate metabolism](/details-reactome/R-HSA-1483249) and [Phospholipid metabolism](/details-reactome/R-HSA-1483257). Its activity is specifically linked to the synthesis of phosphoinositides (PIPs) at both the [plasma membrane](/details-reactome/R-HSA-1660499) and [early endosome membranes](/details-reactome/R-HSA-1660516), indicating its role in regulating signaling events across different cellular compartments. This is consistent with its localization to the [cytoplasm](/details-go/GO:0005737) and [cytosol](/details-go/GO:0005829). ## Research Directions The specific expression pattern and established molecular function of [INPP4B](/details-gene/8821) open up several avenues for future investigation, particularly concerning its role in neuronal function and disease. **Proposed Hypotheses:** 1. The high and specific expression of [INPP4B](/details-gene/8821) in diverse cortical interneuron subtypes suggests it is a critical regulator of inhibitory tone. We hypothesize that loss of [INPP4B](/details-gene/8821) function in these cells leads to hyperactive PI3K signaling, resulting in altered synaptic vesicle cycling, neurotransmitter release, and ultimately contributing to network hyperexcitability seen in disorders like epilepsy. 2. Given its significant expression in [cardiac muscle cells](/details-cell/CL0000746), we hypothesize that [INPP4B](/details-gene/8821) plays a role in cardiac physiology by modulating local PI(3,4)P2 levels, which are known to influence ion channel function and calcium homeostasis. Dysregulation of [INPP4B](/details-gene/8821) in cardiomyocytes could therefore contribute to arrhythmias or cardiomyopathies. **Experimental Approach:** To test the hypothesis that [INPP4B](/details-gene/8821) regulates inhibitory neurotransmission, a conditional knockout mouse model could be generated by crossing an Inpp4b-floxed line with a pan-GABAergic neuron Cre-driver line (e.g., GAD2-Cre). Electrophysiological recordings (whole-cell patch-clamp) from cortical slices of these mice would allow for direct measurement of inhibitory postsynaptic currents (IPSCs) and neuronal firing properties in interneurons lacking [INPP4B](/details-gene/8821). This could be complemented with phosphoproteomic analysis to confirm alterations in the PI3K-Akt signaling pathway. **Therapeutic Potential:** As [INPP4B](/details-gene/8821) is a known tumor suppressor whose loss promotes oncogenic PI3K signaling, it is not a direct target for inhibition. Instead, its therapeutic relevance lies in two areas. First, loss-of-function mutations or epigenetic silencing of [INPP4B](/details-gene/8821) could serve as a predictive biomarker to identify tumors that are highly dependent on the PI3K pathway and would therefore be sensitive to PI3K or AKT inhibitors. Second, strategies aimed at restoring [INPP4B](/details-gene/8821) function or expression, such as through gene therapy or small-molecule activators, represent a potential therapeutic strategy for cancers characterized by its inactivation.

Genular Protein ID: 3826388075

Symbol: INP4B_HUMAN

Name: Inositol polyphosphate 4-phosphatase type II

UniProtKB Accession Codes:

Database IDs:

Citations:

PubMed ID: 9295334

Title: The cDNA cloning and characterization of inositol polyphosphate 4-phosphatase type II. Evidence for conserved alternative splicing in the 4-phosphatase family.

PubMed ID: 9295334

DOI: 10.1074/jbc.272.38.23859

PubMed ID: 15815621

Title: Generation and annotation of the DNA sequences of human chromosomes 2 and 4.

PubMed ID: 15815621

DOI: 10.1038/nature03466

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: 19647222

Title: Evidence that inositol polyphosphate 4-phosphatase type II is a tumor suppressor that inhibits PI3K signaling.

PubMed ID: 19647222

DOI: 10.1016/j.ccr.2009.06.006

PubMed ID: 24070612

Title: Determinants of the tumor suppressor INPP4B protein and lipid phosphatase activities.

PubMed ID: 24070612

DOI: 10.1016/j.bbrc.2013.09.077

PubMed ID: 24591580

Title: Sequential breakdown of 3-phosphorylated phosphoinositides is essential for the completion of macropinocytosis.

PubMed ID: 24591580

DOI: 10.1073/pnas.1311029111

Sequence Information:

  • Length: 924
  • Mass: 104738
  • Checksum: 57DE9D98E0168D41
  • Sequence:
  • MEIKEEGASE EGQHFLPTAQ ANDPGDCQFT SIQKTPNEPQ LEFILACKDL VAPVRDRKLN 
    TLVQISVIHP VEQSLTRYSS TEIVEGTRDP LFLTGVTFPS EYPIYEETKI KLTVYDVKDK 
    SHDTVRTSVL PEHKDPPPEV GRSFLGYASF KVGELLKSKE QLLVLSLRTS DGGKVVGTIE 
    VSVVKMGEIE DGEADHITTD VQGQKCALVC ECTAPESVSG KDNLPFLNSV LKNPVCKLYR 
    FPTSDNKWMR IREQMSESIL SFHIPKELIS LHIKEDLCRN QEIKELGELS PHWDNLRKNV 
    LTHCDQMVNM YQDILTELSK ETGSSFKSSS SKGEKTLEFV PINLHLQRMQ VHSPHLKDAL 
    YDVITVGAPA AHFQGFKNGG LRKLLHRFET ERRNTGYQFI YYSPENTAKA KEVLSNINQL 
    QPLIATHADL LLNSASQHSP DSLKNSLKML SEKTELFVHA FKDQLVRSAL LALYTARPGG 
    ILKKPPSPKS STEESSPQDQ PPVMRGQDSI PHHSDYDEEE WDRVWANVGK SLNCIIAMVD 
    KLIERDGGSE GSGGNNDGEK EPSLTDAIPS HPREDWYEQL YPLILTLKDC MGEVVNRAKQ 
    SLTFVLLQEL AYSLPQCLML TLRRDIVFSQ ALAGLVCGFI IKLQTSLYDP GFLQQLHTVG 
    LIVQYEGLLS TYSDEIGMLE DMAVGISDLK KVAFKIIEAK SNDVLPVITG RREHYVVEVK 
    LPARMFESLP LQIKEGQLLH VYPVLFNVGI NEQQTLAERF GDVSLQESIN QENFELLQEY 
    YKIFMEKMPP DYISHFQEQN DLKALLENLL QNIQSKKRKN VEIMWLAATI CRKLNGIRFT 
    CCKSAKDRTS MSVTLEQCSI LRDEHQLHKD FFIRALDCMR REGCRIENVL KNIKCRKYAF 
    NMLQLMAFPK YYRPPEGTYG KADT

Genular Protein ID: 3726916394

Symbol: E7EQN9_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: 15496913

Title: Finishing the euchromatic sequence of the human genome.

PubMed ID: 15496913

DOI: 10.1038/nature03001

PubMed ID: 15815621

Title: Generation and annotation of the DNA sequences of human chromosomes 2 and 4.

PubMed ID: 15815621

DOI: 10.1038/nature03466

Sequence Information:

  • Length: 938
  • Mass: 105960
  • Checksum: 2AF57FA2B7718330
  • Sequence:
  • MEIKEEGASE EGQHFLPTAQ ANDPGDCQFT SIQKTPNEPQ LEFILACKDL VAPVRDRKLN 
    TLVQISVIHP VEQSLTRYSS TEIVEGTRDP LFLTGVTFPS EYPIYEETKI KLTVYDVKDK 
    SHDTVRTSVL PEHKDPPPEV GRSFLGYASF KVGELLKSKE QLLVLSLRTS DGGKVVGTIE 
    VSVVKMGEIE DGEADHITTD VQGQKCALVC ECTAPESVSG KDNLPFLNSV LKNPVCKLYR 
    FPTSDNKWMR IREQMSESIL SFHIPKELIS LHIKEDLCRN QEIKELGELS PHWDNLRKNV 
    LTHCDQMVNM YQDILTELSK ETGSSFKSSS SKGEKTLEFV PINLHLQRMQ VHSPHLKDAL 
    YDVITVGAPA AHFQGFKNGG LRKLLHRFET ERRNTGYQFI YYSPENTAKA KEVLSNINQL 
    QPLIATHADL LLNSASQHSP DSLKNSLKML SEKTELFVHA FKDQLVRSAL LALYTARPGG 
    ILKKPPSPKS STEESSPQDQ PPVMRGQDSI PHHSDYDEEE WDRVWANVGK SLNCIIAMVD 
    KLIERDGGSE GSGGNNDGEK EPSLTDAIPS HPREDWYEQL YPLILTLKDC MGEVVNRAKQ 
    SLTFVLLQEL AYSLPQCLML TLRRDIVFSQ ALAGLVCGFI IKLQTSLYDP GFLQQLHTVG 
    LIVQYEGLLS TYSDEIGMLE DMAVGISDLK KVAFKIIEAK SNDVLPVITG RREHYVVEVK 
    LPARMFESLP LQIKEGQLLH VYPVLFNVGI NEQQTLAERF GDVSLQESIN QENFELLQEY 
    YKIFMEKMPP DYISHFQEQN DLKALLENLL QNIQSKKRKN VEIMWLAATI CRKLNGIRFT 
    CCKSAKDRTS MSVTLEQCSI LRDEHQLHKD FFIRALDCMR SRQTQGALNE SDDPETGCLT 
    DNKPTSRHFY PVALLLVSSH LLVVWLILSL ALLLAKYQ