Details for: PRKCI

Gene ID: 5584

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: PRKCI

Ensembl ID: ENSG00000163558

Description: protein kinase C iota

Cell Significance Landscape

Associated with

Significant Cells

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

  • fallopian tube secretory epithelial cell CL4030006
    CSI 26.51
    rCSI 25.52%
    PRS 51.29
  • L2/3-6 intratelencephalic projecting glutamatergic neuron CL4023040
    CSI 19.88
    rCSI 48.33%
    PRS 33.04
  • mucous neck cell CL0000651
    CSI 19.64
    rCSI 28.3%
    PRS 63.71
  • L5 extratelencephalic projecting glutamatergic cortical neuron CL4023041
    CSI 15.03
    rCSI 54.1%
    PRS 32.94
  • L6b glutamatergic cortical neuron CL4023038
    CSI 13.57
    rCSI 42.41%
    PRS 35.58
  • mucosal invariant T cell CL0000940
    CSI 12.56
    rCSI 10.15%
    PRS 60.83
  • conjunctival epithelial cell CL1000432
    CSI 10.93
    rCSI 16.7%
    PRS 51.62
  • CD4-positive helper T cell CL0000492
    CSI 10.42
    rCSI 7.88%
    PRS 64.48
  • parietal epithelial cell CL1000452
    CSI 9.86
    rCSI 26.36%
    PRS 42.91
  • near-projecting glutamatergic cortical neuron CL4023012
    CSI 9.45
    rCSI 35.7%
    PRS 35.05
  • epithelial cell CL0000066
    CSI 9.44
    rCSI 14.51%
    PRS 50.69
  • respiratory basal cell CL0002633
    CSI 8.83
    rCSI 9.15%
    PRS 56.9
  • retinal cone cell CL0000573
    CSI 8.46
    rCSI 13.61%
    PRS 41.12
  • cardiac neuron CL0010022
    CSI 8.01
    rCSI 25.65%
    PRS 47.74
  • retinal rod cell CL0000604
    CSI 7.13
    rCSI 12.56%
    PRS 48.54
  • corticothalamic-projecting glutamatergic cortical neuron CL4023013
    CSI 7.07
    rCSI 41.63%
    PRS 35.64
  • amacrine cell CL0000561
    CSI 7.01
    rCSI 20.31%
    PRS 41.61
  • IgA plasma cell CL0000987
    CSI 6.4
    rCSI 6.55%
    PRS 68.37
  • pro-B cell CL0000826
    CSI 6.33
    rCSI 5.25%
    PRS 52.46
  • pulmonary ionocyte CL0017000
    CSI 5.97
    rCSI 7.27%
    PRS 58.81
  • granulocyte CL0000094
    CSI 5.9
    rCSI 9.01%
    PRS 60.43
  • mesodermal cell CL0000222
    CSI 5.63
    rCSI 6.75%
    PRS 48.88
  • epithelial cell of lower respiratory tract CL0002632
    CSI 5.13
    rCSI 3.98%
    PRS 51.71
  • extravillous trophoblast CL0008036
    CSI 4.46
    rCSI 5.51%
    PRS 46.81
  • neuroblast (sensu Vertebrata) CL0000031
    CSI 4.45
    rCSI 5.71%
    PRS 48.77
  • caudal ganglionic eminence derived cortical interneuron CL4023064
    CSI 4.45
    rCSI 7.85%
    PRS 33.23
  • astrocyte of the cerebral cortex CL0002605
    CSI 4.4
    rCSI 9.86%
    PRS 34.95
  • dopaminergic neuron CL0000700
    CSI 4.29
    rCSI 24.27%
    PRS 36.75
  • regular ventricular cardiac myocyte CL0002131
    CSI 4.27
    rCSI 26.67%
    PRS 43.12
  • radial glial cell CL0000681
    CSI 4.17
    rCSI 5.79%
    PRS 50.28
  • fibroblast of cardiac tissue CL0002548
    CSI 4.1
    rCSI 19.65%
    PRS 49.87
  • kidney loop of Henle thin ascending limb epithelial cell CL1001107
    CSI 3.97
    rCSI 10.25%
    PRS 46.56
  • central memory CD4-positive, alpha-beta T cell CL0000904
    CSI 3.95
    rCSI 2.33%
    PRS 67.52
  • pvalb GABAergic cortical interneuron CL4023018
    CSI 3.67
    rCSI 4.57%
    PRS 32.5
  • secretory cell CL0000151
    CSI 3.62
    rCSI 3.78%
    PRS 51.44
  • melanocyte CL0000148
    CSI 3.57
    rCSI 2.65%
    PRS 43.88
  • VIP GABAergic cortical interneuron CL4023016
    CSI 3.51
    rCSI 4.19%
    PRS 34.06
  • ependymal cell CL0000065
    CSI 3.4
    rCSI 6.9%
    PRS 32.26
  • central nervous system neuron CL2000029
    CSI 3.37
    rCSI 24.78%
    PRS 38.32
  • glioblast CL0000030
    CSI 3.23
    rCSI 5.16%
    PRS 44.42
  • renal alpha-intercalated cell CL0005011
    CSI 3.19
    rCSI 4.27%
    PRS 59.58
  • foveolar cell of stomach CL0002179
    CSI 3.16
    rCSI 6.73%
    PRS 64.81
  • L2/3 intratelencephalic projecting glutamatergic neuron CL4030059
    CSI 3.14
    rCSI 6.81%
    PRS 40.38
  • myoepithelial cell CL0000185
    CSI 3.09
    rCSI 7.83%
    PRS 59.39
  • kidney loop of Henle thin descending limb epithelial cell CL1001111
    CSI 3.09
    rCSI 4.38%
    PRS 47.49
  • ciliated cell CL0000064
    CSI 3.07
    rCSI 4.98%
    PRS 48.79
  • vascular leptomeningeal cell CL4023051
    CSI 2.95
    rCSI 5.17%
    PRS 43.06
  • enteroendocrine cell CL0000164
    CSI 2.92
    rCSI 3.99%
    PRS 53.34
  • regular atrial cardiac myocyte CL0002129
    CSI 2.91
    rCSI 9.37%
    PRS 49.86
  • cerebellar granule cell CL0001031
    CSI 2.87
    rCSI 4.23%
    PRS 45.62
  • brush cell of tracheobronchial tree CL0002075
    CSI 2.81
    rCSI 8.35%
    PRS 61.41
  • ciliated epithelial cell CL0000067
    CSI 2.79
    rCSI 2.45%
    PRS 39.62
  • fibroblast of lung CL0002553
    CSI 2.73
    rCSI 2.54%
    PRS 50.65
  • multi-ciliated epithelial cell CL0005012
    CSI 2.66
    rCSI 2.65%
    PRS 44.84
  • luminal epithelial cell of mammary gland CL0002326
    CSI 2.65
    rCSI 4.81%
    PRS 67.2
  • interneuron CL0000099
    CSI 2.65
    rCSI 5.32%
    PRS 40.4
  • goblet cell CL0000160
    CSI 2.64
    rCSI 2.49%
    PRS 51.41
  • direct pathway medium spiny neuron CL4023026
    CSI 2.61
    rCSI 62.57%
    PRS 33.65
  • indirect pathway medium spiny neuron CL4023029
    CSI 2.57
    rCSI 61.99%
    PRS 34.59
  • Mueller cell CL0000636
    CSI 2.57
    rCSI 5.86%
    PRS 43.74
  • cerebral cortex endothelial cell CL1001602
    CSI 2.55
    rCSI 4.42%
    PRS 41.35
  • neural crest cell CL0011012
    CSI 2.53
    rCSI 2%
    PRS 38.22
  • pancreatic A cell CL0000171
    CSI 2.5
    rCSI 2.62%
    PRS 54.18
  • stem cell CL0000034
    CSI 2.5
    rCSI 2.41%
    PRS 41.5
  • enteric smooth muscle cell CL0002504
    CSI 2.49
    rCSI 3.55%
    PRS 53.46
  • inhibitory interneuron CL0000498
    CSI 2.49
    rCSI 5.74%
    PRS 41.45
  • ionocyte CL0005006
    CSI 2.48
    rCSI 2.66%
    PRS 49.29
  • perivascular cell CL4033054
    CSI 2.45
    rCSI 3.35%
    PRS 56.16
  • neuroblast (sensu Nematoda and Protostomia) CL0000338
    CSI 2.45
    rCSI 2.82%
    PRS 44.92
  • pulmonary alveolar type 2 cell CL0002063
    CSI 2.44
    rCSI 3.78%
    PRS 59.73
  • cerebral cortex neuron CL0010012
    CSI 2.41
    rCSI 9.81%
    PRS 47.49
  • basal cell of prostate epithelium CL0002341
    CSI 2.35
    rCSI 6.79%
    PRS 67
  • central memory CD8-positive, alpha-beta T cell CL0000907
    CSI 2.35
    rCSI 1.58%
    PRS 62.73
  • lung neuroendocrine cell CL1000223
    CSI 2.34
    rCSI 3.47%
    PRS 56.39
  • hepatocyte CL0000182
    CSI 2.31
    rCSI 4.13%
    PRS 49.59
  • cerebral cortex GABAergic interneuron CL0010011
    CSI 2.26
    rCSI 6.67%
    PRS 54.9
  • kidney connecting tubule epithelial cell CL1000768
    CSI 2.26
    rCSI 5.73%
    PRS 40.85
  • microcirculation associated smooth muscle cell CL0008035
    CSI 2.17
    rCSI 6.29%
    PRS 53.1
  • adventitial cell CL0002503
    CSI 2.16
    rCSI 5.17%
    PRS 60.5
  • blood vessel endothelial cell CL0000071
    CSI 2.16
    rCSI 4.48%
    PRS 48.42
  • sst GABAergic cortical interneuron CL4023017
    CSI 2.13
    rCSI 2.74%
    PRS 35.23
  • epithelial cell of lung CL0000082
    CSI 2.11
    rCSI 1.75%
    PRS 49.71
  • common myeloid progenitor CL0000049
    CSI 2.09
    rCSI 1.69%
    PRS 51.95
  • Kupffer cell CL0000091
    CSI 2.08
    rCSI 4.75%
    PRS 50.34
  • podocyte CL0000653
    CSI 2.07
    rCSI 9.19%
    PRS 49.93
  • pancreatic acinar cell CL0002064
    CSI 2.05
    rCSI 2.73%
    PRS 56.37
  • retinal bipolar neuron CL0000748
    CSI 2.05
    rCSI 3.84%
    PRS 40.06
  • Bergmann glial cell CL0000644
    CSI 2.03
    rCSI 2.78%
    PRS 46.13
  • enteroendocrine cell of small intestine CL0009006
    CSI 2.03
    rCSI 4.46%
    PRS 65.14
  • kidney interstitial alternatively activated macrophage CL1000695
    CSI 2.01
    rCSI 5.24%
    PRS 50.03
  • respiratory hillock cell CL4030023
    CSI 2.01
    rCSI 3.58%
    PRS 66.05
  • interstitial cell of Cajal CL0002088
    CSI 2.01
    rCSI 2.55%
    PRS 56.76
  • choroid plexus epithelial cell CL0000706
    CSI 1.99
    rCSI 3.27%
    PRS 40.9
  • intestine goblet cell CL0019031
    CSI 1.98
    rCSI 1.76%
    PRS 49.47
  • neuron CL0000540
    CSI 1.93
    rCSI 5.15%
    PRS 41.89
  • cardiac endothelial cell CL0010008
    CSI 1.93
    rCSI 7.77%
    PRS 49.26
  • granulocyte monocyte progenitor cell CL0000557
    CSI 1.88
    rCSI 1.63%
    PRS 55.4
  • transit amplifying cell of colon CL0009011
    CSI 1.88
    rCSI 2.21%
    PRS 54.16
  • chondrocyte CL0000138
    CSI 1.88
    rCSI 2.99%
    PRS 43.54
  • lung secretory cell CL1000272
    CSI 1.84
    rCSI 4.55%
    PRS 48.83
  • peptic cell CL0000155
    CSI 0.2
    rCSI 2.2%
    PRS 74.9%
  • OFF midget ganglion cell CL4033047
    CSI 0.2
    rCSI 4.7%
    PRS 43.8%
  • enteric neuron CL0007011
    CSI 0.2
    rCSI 3.6%
    PRS 70.8%
  • ON midget ganglion cell CL4033046
    CSI 0.3
    rCSI 5.2%
    PRS 42.5%
  • GABAergic interneuron CL0011005
    CSI 0.3
    rCSI 4.7%
    PRS 55.6%
  • ON parasol ganglion cell CL4033052
    CSI 0.3
    rCSI 4.3%
    PRS 42.6%
  • respiratory goblet cell CL0002370
    CSI 0.3
    rCSI 3.3%
    PRS 69.6%
  • stromal cell of ovary CL0002132
    CSI 0.5
    rCSI 1.5%
    PRS 65.9%
  • glial cell CL0000125
    CSI 0.6
    rCSI 2.2%
    PRS 43.1%
  • placental villous trophoblast CL2000060
    CSI 0.6
    rCSI 0.9%
    PRS 48.8%
  • enterocyte of epithelium of large intestine CL0002071
    CSI 0.6
    rCSI 3.1%
    PRS 63.8%
  • H2 horizontal cell CL0004218
    CSI 0.7
    rCSI 3.5%
    PRS 49.5%
  • serotonergic neuron CL0000850
    CSI 0.7
    rCSI 3.3%
    PRS 36.0%
  • type B pancreatic cell CL0000169
    CSI 0.7
    rCSI 1.6%
    PRS 48.5%
  • paneth cell of epithelium of small intestine CL1000343
    CSI 0.8
    rCSI 2.2%
    PRS 64.7%
  • transit amplifying cell of small intestine CL0009012
    CSI 0.8
    rCSI 3.5%
    PRS 68.4%
  • pancreatic ductal cell CL0002079
    CSI 0.8
    rCSI 1.6%
    PRS 53.2%
  • luminal cell of prostate epithelium CL0002340
    CSI 0.8
    rCSI 4.4%
    PRS 65.6%
  • syncytiotrophoblast cell CL0000525
    CSI 0.9
    rCSI 2.6%
    PRS 67.5%
  • L5/6 near-projecting glutamatergic neuron CL4030067
    CSI 0.9
    rCSI 3.1%
    PRS 39.0%
  • chandelier pvalb GABAergic cortical interneuron CL4023036
    CSI 1.0
    rCSI 3.0%
    PRS 37.9%
  • M cell of gut CL0000682
    CSI 1.0
    rCSI 1.0%
    PRS 64.4%
  • intestinal crypt stem cell of colon CL0009043
    CSI 1.0
    rCSI 7.6%
    PRS 69.8%
  • megakaryocyte-erythroid progenitor cell CL0000050
    CSI 1.0
    rCSI 0.9%
    PRS 47.7%
  • keratocyte CL0002363
    CSI 1.0
    rCSI 2.5%
    PRS 60.2%
  • retinal ganglion cell CL0000740
    CSI 1.0
    rCSI 2.3%
    PRS 38.4%
  • GABAergic neuron CL0000617
    CSI 1.1
    rCSI 3.6%
    PRS 37.8%
  • cardiac muscle cell CL0000746
    CSI 1.1
    rCSI 1.6%
    PRS 41.5%
  • glutamatergic neuron CL0000679
    CSI 1.1
    rCSI 2.3%
    PRS 43.5%
  • renal interstitial pericyte CL1001318
    CSI 1.2
    rCSI 3.2%
    PRS 47.0%
  • mammary gland epithelial cell CL0002327
    CSI 1.2
    rCSI 4.1%
    PRS 65.6%
  • duct epithelial cell CL0000068
    CSI 1.2
    rCSI 1.7%
    PRS 54.4%
  • CD14-positive monocyte CL0001054
    CSI 1.2
    rCSI 1.5%
    PRS 62.2%
  • acinar cell of salivary gland CL0002623
    CSI 1.2
    rCSI 27.9%
    PRS 72.9%
  • glandular epithelial cell CL0000150
    CSI 1.2
    rCSI 3.2%
    PRS 72.3%
  • pulmonary alveolar type 1 cell CL0002062
    CSI 1.2
    rCSI 7.0%
    PRS 51.5%
  • corneal epithelial cell CL0000575
    CSI 1.2
    rCSI 3.5%
    PRS 66.5%
  • mucus secreting cell CL0000319
    CSI 1.2
    rCSI 2.0%
    PRS 61.9%
  • paneth cell CL0000510
    CSI 1.3
    rCSI 1.9%
    PRS 68.3%
  • bronchus fibroblast of lung CL2000093
    CSI 1.3
    rCSI 1.0%
    PRS 51.5%
  • squamous epithelial cell CL0000076
    CSI 1.3
    rCSI 3.1%
    PRS 56.1%
  • colon goblet cell CL0009039
    CSI 1.3
    rCSI 3.1%
    PRS 62.0%
  • tuft cell of colon CL0009041
    CSI 1.3
    rCSI 3.0%
    PRS 66.8%
  • small intestine goblet cell CL1000495
    CSI 1.4
    rCSI 3.0%
    PRS 60.3%
  • L4 intratelencephalic projecting glutamatergic neuron CL4030063
    CSI 1.4
    rCSI 3.3%
    PRS 39.4%
  • glycinergic amacrine cell CL4030028
    CSI 1.4
    rCSI 3.7%
    PRS 49.5%
  • neural progenitor cell CL0011020
    CSI 1.4
    rCSI 6.3%
    PRS 43.4%
  • acinar cell CL0000622
    CSI 1.4
    rCSI 2.1%
    PRS 62.4%
  • alveolar adventitial fibroblast CL4028006
    CSI 1.5
    rCSI 2.3%
    PRS 52.1%
  • renal principal cell CL0005009
    CSI 1.5
    rCSI 3.8%
    PRS 55.4%
  • epithelial cell of proximal tubule CL0002306
    CSI 1.5
    rCSI 3.6%
    PRS 45.8%
  • rod bipolar cell CL0000751
    CSI 1.5
    rCSI 2.7%
    PRS 44.1%
  • respiratory suprabasal cell CL4033048
    CSI 1.5
    rCSI 1.9%
    PRS 55.8%
  • renal beta-intercalated cell CL0002201
    CSI 1.5
    rCSI 3.6%
    PRS 52.4%
  • lamp5 GABAergic cortical interneuron CL4023011
    CSI 1.6
    rCSI 2.6%
    PRS 34.2%
  • basal cell CL0000646
    CSI 1.6
    rCSI 2.1%
    PRS 52.1%
  • BEST4+ enteroycte CL4030026
    CSI 1.6
    rCSI 2.0%
    PRS 53.3%
  • colon epithelial cell CL0011108
    CSI 1.6
    rCSI 1.7%
    PRS 47.9%
  • basal-myoepithelial cell of mammary gland CL0002324
    CSI 1.6
    rCSI 3.0%
    PRS 72.4%
  • keratinocyte CL0000312
    CSI 1.6
    rCSI 1.3%
    PRS 56.0%
  • retinal blood vessel endothelial cell CL0002585
    CSI 1.6
    rCSI 2.6%
    PRS 55.0%
  • ciliated columnar cell of tracheobronchial tree CL0002145
    CSI 1.6
    rCSI 3.7%
    PRS 48.8%
  • sncg GABAergic cortical interneuron CL4023015
    CSI 1.7
    rCSI 2.7%
    PRS 36.3%
  • intestinal crypt stem cell of small intestine CL0009017
    CSI 1.7
    rCSI 4.5%
    PRS 59.4%
  • medium spiny neuron CL1001474
    CSI 1.7
    rCSI 14.4%
    PRS 38.1%
  • club cell CL0000158
    CSI 1.7
    rCSI 2.5%
    PRS 49.2%
  • lung ciliated cell CL1000271
    CSI 1.8
    rCSI 2.0%
    PRS 41.0%
  • effector memory CD8-positive, alpha-beta T cell CL0000913
    CSI 1.8
    rCSI 1.6%
    PRS 65.7%
  • plasmacytoid dendritic cell, human CL0001058
    CSI 1.8
    rCSI 1.3%
    PRS 53.3%
  • hepatic stellate cell CL0000632
    CSI 1.8
    rCSI 6.9%
    PRS 43.4%
  • lung secretory cell CL1000272
    CSI 1.8
    rCSI 4.6%
    PRS 48.8%
  • chondrocyte CL0000138
    CSI 1.9
    rCSI 3.0%
    PRS 43.5%
  • transit amplifying cell of colon CL0009011
    CSI 1.9
    rCSI 2.2%
    PRS 54.2%
  • granulocyte monocyte progenitor cell CL0000557
    CSI 1.9
    rCSI 1.6%
    PRS 55.4%
  • cardiac endothelial cell CL0010008
    CSI 1.9
    rCSI 7.8%
    PRS 49.3%
  • neuron CL0000540
    CSI 1.9
    rCSI 5.2%
    PRS 41.9%
  • intestine goblet cell CL0019031
    CSI 2.0
    rCSI 1.8%
    PRS 49.5%
  • choroid plexus epithelial cell CL0000706
    CSI 2.0
    rCSI 3.3%
    PRS 40.9%
  • interstitial cell of Cajal CL0002088
    CSI 2.0
    rCSI 2.6%
    PRS 56.8%
  • respiratory hillock cell CL4030023
    CSI 2.0
    rCSI 3.6%
    PRS 66.1%
  • kidney interstitial alternatively activated macrophage CL1000695
    CSI 2.0
    rCSI 5.2%
    PRS 50.0%
  • enteroendocrine cell of small intestine CL0009006
    CSI 2.0
    rCSI 4.5%
    PRS 65.1%
  • Bergmann glial cell CL0000644
    CSI 2.0
    rCSI 2.8%
    PRS 46.1%
  • retinal bipolar neuron CL0000748
    CSI 2.1
    rCSI 3.8%
    PRS 40.1%
  • pancreatic acinar cell CL0002064
    CSI 2.1
    rCSI 2.7%
    PRS 56.4%
  • podocyte CL0000653
    CSI 2.1
    rCSI 9.2%
    PRS 49.9%
  • Kupffer cell CL0000091
    CSI 2.1
    rCSI 4.8%
    PRS 50.3%
  • common myeloid progenitor CL0000049
    CSI 2.1
    rCSI 1.7%
    PRS 52.0%
  • epithelial cell of lung CL0000082
    CSI 2.1
    rCSI 1.8%
    PRS 49.7%
  • sst GABAergic cortical interneuron CL4023017
    CSI 2.1
    rCSI 2.7%
    PRS 35.2%
  • blood vessel endothelial cell CL0000071
    CSI 2.2
    rCSI 4.5%
    PRS 48.4%
  • adventitial cell CL0002503
    CSI 2.2
    rCSI 5.2%
    PRS 60.5%
  • microcirculation associated smooth muscle cell CL0008035
    CSI 2.2
    rCSI 6.3%
    PRS 53.1%
  • kidney connecting tubule epithelial cell CL1000768
    CSI 2.3
    rCSI 5.7%
    PRS 40.9%
  • cerebral cortex GABAergic interneuron CL0010011
    CSI 2.3
    rCSI 6.7%
    PRS 54.9%
  • hepatocyte CL0000182
    CSI 2.3
    rCSI 4.1%
    PRS 49.6%
  • lung neuroendocrine cell CL1000223
    CSI 2.3
    rCSI 3.5%
    PRS 56.4%
  • central memory CD8-positive, alpha-beta T cell CL0000907
    CSI 2.4
    rCSI 1.6%
    PRS 62.7%
  • basal cell of prostate epithelium CL0002341
    CSI 2.4
    rCSI 6.8%
    PRS 67.0%
  • cerebral cortex neuron CL0010012
    CSI 2.4
    rCSI 9.8%
    PRS 47.5%

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 [PRKCI](/details-gene/5584) (Protein Kinase C Iota) encodes a member of the protein kinase C (PKC) family of serine/threonine kinases. As an atypical PKC isoform, its activity is calcium-independent and diacylglycerol-independent. The gene is fundamentally involved in establishing and maintaining cellular polarity, organizing the cytoskeleton, and regulating intracellular signal transduction pathways, including NF-kappaB and Notch signaling. Its anti-apoptotic function has been noted in several cellular contexts. Expression data from the **Overall** context indicates that [PRKCI](/details-gene/5584) is a significant gene in a diverse array of cell types, with particularly high significance in secretory epithelial cells such as [fallopian tube secretory epithelial cell](/details-cell/CL4030006) and [mucous neck cell](/details-cell/CL0000651), as well as various classes of glutamatergic neurons and T lymphocytes. This broad but distinct expression pattern suggests a crucial role in maintaining specialized functions in polarized secretory, neuronal, and immune cells. Clinically, it is associated with OMIM entry [600539](https://omim.org/entry/600539). ## Cellular Roles and Expression Landscape The expression profile of [PRKCI](/details-gene/5584) reveals its importance across multiple, functionally distinct cell lineages, with a recurring theme related to cellular polarization and specialized signaling. **Overall**, the gene shows the highest significance in secretory epithelial tissues, as evidenced by its top rank in [fallopian tube secretory epithelial cell](/details-cell/CL4030006) (CSI: 26.51) and [mucous neck cell](/details-cell/CL0000651) (CSI: 19.64). This is consistent with its established role in the PAR polarity complex, which is critical for establishing epithelial structures and organizing tight junctions [Link](https://doi.org/10.1083/jcb.152.6.1183). A second major functional niche for [PRKCI](/details-gene/5584) is the central nervous system, where it is highly significant in multiple subtypes of glutamatergic neurons, including [L2/3-6 intratelencephalic projecting glutamatergic neuron](/details-cell/CL4023040) (CSI: 19.88) and [L5 extratelencephalic projecting glutamatergic cortical neuron](/details-cell/CL4023041) (CSI: 15.03). Its expression extends to specialized sensory neurons such as [retinal cone cell](/details-cell/CL0000573) and [retinal rod cell](/details-cell/CL0000604). This pattern suggests a role in neuronal polarity, synapse organization, and potentially neuronal survival, as supported by studies showing it can protect neural cells from apoptosis [Link](https://doi.org/10.1016/s0169-328x(00)00187-x). Finally, [PRKCI](/details-gene/5584) demonstrates notable significance within the immune system, particularly in T cell subsets like [mucosal invariant T cell](/details-cell/CL0000940) (CSI: 12.56) and [CD4-positive helper T cell](/details-cell/CL0000492) (CSI: 10.42). This aligns with its function in signal transduction pathways such as NF-kappaB, which is vital for T cell activation and survival. ## Pathways and Molecular Function The molecular functions of [PRKCI](/details-gene/5584) are centered on its protein serine/threonine kinase activity, mediating a wide range of cellular processes through protein phosphorylation. **Cell Polarity and Cytoskeletal Organization:** [PRKCI](/details-gene/5584) is a core component of the evolutionarily conserved PAR polarity complex. Its function is integral to the 'Establishment of apical/basal cell polarity' ([GO:0035089](https://www.ebi.ac.uk/QuickGO/term/GO:0035089)) and 'Cell-cell junction organization' ([GO:0045216](https://www.ebi.ac.uk/QuickGO/term/GO:0045216)). It localizes to the 'Apical plasma membrane' ([GO:0016324](https://www.ebi.ac.uk/QuickGO/term/GO:0016324)) and 'Tight junction' ([GO:0070160](https://www.ebi.ac.uk/QuickGO/term/GO:0070160)), consistent with its high expression in epithelial cells. This is further supported by its involvement in Reactome pathways like 'Cell junction organization' ([R-HSA-446728](https://reactome.org/content/detail/R-HSA-446728)). **Signal Transduction and Cellular Responses:** The kinase is a key node in 'Intracellular signal transduction' ([GO:0035556](https://www.ebi.ac.uk/QuickGO/term/GO:0035556)). It plays a significant role in 'Positive regulation of nf-kappab transcription factor activity' ([GO:0051092](https://www.ebi.ac.uk/QuickGO/term/GO:0051092)) and the 'Signaling by notch' pathway ([R-HSA-157118](https://reactome.org/content/detail/R-HSA-157118)). Studies have demonstrated its interaction with adaptor proteins links it to NF-kappaB activation, a critical pathway for inflammation and cell survival [Link](https://doi.org/10.1093/emboj/18.11.3044). It is also involved in cellular responses to stimuli like insulin ([GO:0032869](https://www.ebi.ac.uk/QuickGO/term/GO:0032869)) and interleukin-1 ([GO:0070555](https://www.ebi.ac.uk/QuickGO/term/GO:0070555)). **Regulation of Apoptosis:** A critical function of [PRKCI](/details-gene/5584) is the 'Negative regulation of apoptotic process' ([GO:0043066](https://www.ebi.ac.uk/QuickGO/term/GO:0043066)). This has been experimentally validated in multiple models, where its overexpression protects human leukemia cells from drug-induced apoptosis and neural cells from amyloid-beta-induced death [Link](https://doi.org/10.1074/jbc.272.44.27521), [Link](https://doi.org/10.1016/s0169-328x(00)00187-x). ## Research Directions The widespread yet specific expression pattern of [PRKCI](/details-gene/5584), combined with its pleiotropic functions, suggests several avenues for future investigation. **Testable Hypotheses:** 1. Given its high significance in secretory epithelial cells like [fallopian tube secretory epithelial cell](/details-cell/CL4030006) and its functional annotation in 'Vesicle-mediated transport' ([GO:0016192](https://www.ebi.ac.uk/QuickGO/term/GO:0016192)) and 'Secretion' ([GO:0046903](https://www.ebi.ac.uk/QuickGO/term/GO:0046903)), we hypothesize that [PRKCI](/details-gene/5584) is a master regulator of the secretory machinery in these cells, coordinating cytoskeletal dynamics and vesicle trafficking to the apical membrane for protein and mucus secretion. 2. Based on its prominent expression in multiple glutamatergic neuron subtypes and its involvement in 'Regulation of postsynaptic membrane neurotransmitter receptor levels' ([GO:0099072](https://www.ebi.ac.uk/QuickGO/term/GO:0099072)), we hypothesize that [PRKCI](/details-gene/5584) activity at the postsynaptic terminal is critical for modulating synaptic strength and plasticity by controlling the phosphorylation status and surface expression of AMPA and NMDA receptors. **Proposed Experimental Approach:** To test the first hypothesis regarding its role in epithelial secretion, one could utilize an *in vitro* organoid model derived from human fallopian tube epithelial cells. [PRKCI](/details-gene/5584) expression could be knocked down using shRNA or inhibited with a specific small molecule inhibitor. The impact on cell polarity could be assessed by immunofluorescence staining for apical (e.g., MUC1) and tight junction (e.g., ZO-1) markers. The secretory function could be directly measured by performing a secretome analysis using mass spectrometry on the organoid luminal fluid, comparing the protein composition between control and [PRKCI](/details-gene/5584)-deficient conditions. **Therapeutic Potential:** The well-documented role of [PRKCI](/details-gene/5584) in promoting cell survival by negatively regulating apoptosis and activating the pro-survival NF-kappaB pathway makes it a compelling therapeutic target in oncology. Its demonstrated ability to protect leukemia cells from chemotherapy suggests that its inhibition could be a powerful strategy to sensitize cancer cells to existing treatments. Therefore, developing highly specific small molecule inhibitors against the kinase domain of [PRKCI](/details-gene/5584) represents a promising therapeutic avenue, particularly for hematological malignancies and potentially solid tumors where it is overexpressed. Inhibition, rather than activation, would be the desired therapeutic action.

Genular Protein ID: 1449855425

Symbol: KPCI_HUMAN

Name: Protein kinase C iota type

UniProtKB Accession Codes:

Database IDs:

Citations:

PubMed ID: 8226978

Title: Molecular cloning and characterization of PKC iota, an atypical isoform of protein kinase C derived from insulin-secreting cells.

PubMed ID: 8226978

DOI: 10.1016/s0021-9258(20)80525-0

PubMed ID: 7607695

Title: Human protein kinase C iota gene (PRKCI) is closely linked to the BTK gene in Xq21.3.

PubMed ID: 7607695

DOI: 10.1016/0888-7543(95)80190-w

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: 8524286

Title: Lambda-interacting protein, a novel protein that specifically interacts with the zinc finger domain of the atypical protein kinase C isotype lambda/iota and stimulates its kinase activity in vitro and in vivo.

PubMed ID: 8524286

DOI: 10.1128/mcb.16.1.105

PubMed ID: 9346882

Title: Atypical protein kinase C iota protects human leukemia cells against drug-induced apoptosis.

PubMed ID: 9346882

DOI: 10.1074/jbc.272.44.27521

PubMed ID: 9566925

Title: Localization of atypical protein kinase C isoforms into lysosome-targeted endosomes through interaction with p62.

PubMed ID: 9566925

DOI: 10.1128/mcb.18.5.3069

PubMed ID: 10467349

Title: Overexpression of atypical PKC in PC12 cells enhances NGF-responsiveness and survival through an NF-kappaB dependent pathway.

PubMed ID: 10467349

DOI: 10.1038/sj.cdd.4400548

PubMed ID: 10356400

Title: The interaction of p62 with RIP links the atypical PKCs to NF-kappaB activation.

PubMed ID: 10356400

DOI: 10.1093/emboj/18.11.3044

PubMed ID: 10906326

Title: Unique structural and functional properties of the ATP-binding domain of atypical protein kinase C-iota.

PubMed ID: 10906326

DOI: 10.1074/jbc.m002742200

PubMed ID: 11042363

Title: Protein kinase C iota protects neural cells against apoptosis induced by amyloid beta-peptide.

PubMed ID: 11042363

DOI: 10.1016/s0169-328x(00)00187-x

PubMed ID: 11260256

Title: Human homologues of the Caenorhabditis elegans cell polarity protein PAR6 as an adaptor that links the small GTPases Rac and Cdc42 to atypical protein kinase C.

PubMed ID: 11260256

DOI: 10.1046/j.1365-2443.2001.00404.x

PubMed ID: 11257119

Title: Atypical protein kinase C is involved in the evolutionarily conserved par protein complex and plays a critical role in establishing epithelia-specific junctional structures.

PubMed ID: 11257119

DOI: 10.1083/jcb.152.6.1183

PubMed ID: 11724794

Title: Glyceraldehyde-3-phosphate dehydrogenase is phosphorylated by protein kinase Ciota /lambda and plays a role in microtubule dynamics in the early secretory pathway.

PubMed ID: 11724794

DOI: 10.1074/jbc.m109744200

PubMed ID: 11713277

Title: Nerve growth factor stimulates multisite tyrosine phosphorylation and activation of the atypical protein kinase C's via a src kinase pathway.

PubMed ID: 11713277

DOI: 10.1128/mcb.21.24.8414-8427.2001

PubMed ID: 11891849

Title: Phosphorylation of tyrosine 256 facilitates nuclear import of atypical protein kinase C.

PubMed ID: 11891849

DOI: 10.1002/jcb.10101.abs

PubMed ID: 12893243

Title: Centaurin-alpha(1) associates with and is phosphorylated by isoforms of protein kinase C.

PubMed ID: 12893243

DOI: 10.1016/s0006-291x(03)01187-2

PubMed ID: 12725730

Title: Mammalian Lgl forms a protein complex with PAR-6 and aPKC independently of PAR-3 to regulate epithelial cell polarity.

PubMed ID: 12725730

DOI: 10.1016/s0960-9822(03)00244-6

PubMed ID: 12871960

Title: Atypical protein kinase C plays a critical role in protein transport from pre-Golgi intermediates.

PubMed ID: 12871960

DOI: 10.1074/jbc.m305381200

PubMed ID: 14570876

Title: Rab2 interacts directly with atypical protein kinase C (aPKC) iota/lambda and inhibits aPKCiota/lambda-dependent glyceraldehyde-3-phosphate dehydrogenase phosphorylation.

PubMed ID: 14570876

DOI: 10.1074/jbc.m309343200

PubMed ID: 14684752

Title: Regulation of interleukin receptor-associated kinase (IRAK) phosphorylation and signaling by iota protein kinase C.

PubMed ID: 14684752

DOI: 10.1074/jbc.c300431200

PubMed ID: 15994303

Title: Atypical protein kinase Ciota plays a critical role in human lung cancer cell growth and tumorigenicity.

PubMed ID: 15994303

DOI: 10.1074/jbc.m505402200

PubMed ID: 15695176

Title: Cyclin-dependent kinase activating kinase/Cdk7 co-localizes with PKC-iota in human glioma cells.

PubMed ID: 15695176

DOI: 10.1016/j.tice.2004.10.004

PubMed ID: 16792529

Title: A WD-FYVE protein binds to the kinases Akt and PKCzeta/lambda.

PubMed ID: 16792529

DOI: 10.1042/bj20060511

PubMed ID: 16452474

Title: Src-dependent protein kinase C iota/lambda (aPKCiota/lambda) tyrosine phosphorylation is required for aPKCiota/lambda association with Rab2 and glyceraldehyde-3-phosphate dehydrogenase on pre-Golgi intermediates.

PubMed ID: 16452474

DOI: 10.1074/jbc.m513031200

PubMed ID: 17313651

Title: WD-repeat-propeller-FYVE protein, ProF, binds VAMP2 and protein kinase Czeta.

PubMed ID: 17313651

DOI: 10.1111/j.1742-4658.2007.05702.x

PubMed ID: 18270268

Title: Atypical protein kinase C (iota) activates ezrin in the apical domain of intestinal epithelial cells.

PubMed ID: 18270268

DOI: 10.1242/jcs.016246

PubMed ID: 18220336

Title: Combining protein-based IMAC, peptide-based IMAC, and MudPIT for efficient phosphoproteomic analysis.

PubMed ID: 18220336

DOI: 10.1021/pr0705441

PubMed ID: 18691976

Title: Kinase-selective enrichment enables quantitative phosphoproteomics of the kinome across the cell cycle.

PubMed ID: 18691976

DOI: 10.1016/j.molcel.2008.07.007

PubMed ID: 18669648

Title: A quantitative atlas of mitotic phosphorylation.

PubMed ID: 18669648

DOI: 10.1073/pnas.0805139105

PubMed ID: 19327373

Title: Protein kinase C iota mediates lipid-induced apoptosis of human coronary artery endothelial cells.

PubMed ID: 19327373

DOI: 10.1016/j.mvr.2009.01.014

PubMed ID: 19617897

Title: Ect2 links the PKCiota-Par6alpha complex to Rac1 activation and cellular transformation.

PubMed ID: 19617897

DOI: 10.1038/onc.2009.217

PubMed ID: 19690332

Title: Quantitative phosphoproteomic analysis of T cell receptor signaling reveals system-wide modulation of protein-protein interactions.

PubMed ID: 19690332

DOI: 10.1126/scisignal.2000007

PubMed ID: 20068231

Title: Quantitative phosphoproteomics reveals widespread full phosphorylation site occupancy during mitosis.

PubMed ID: 20068231

DOI: 10.1126/scisignal.2000475

PubMed ID: 21269460

Title: Initial characterization of the human central proteome.

PubMed ID: 21269460

DOI: 10.1186/1752-0509-5-17

PubMed ID: 21419810

Title: PKC-? promotes glioblastoma cell survival by phosphorylating and inhibiting BAD through a phosphatidylinositol 3-kinase pathway.

PubMed ID: 21419810

DOI: 10.1016/j.bbamcr.2011.03.007

PubMed ID: 21189248

Title: Oncogenic activity of Ect2 is regulated through protein kinase C iota-mediated phosphorylation.

PubMed ID: 21189248

DOI: 10.1074/jbc.m110.196113

PubMed ID: 21406692

Title: System-wide temporal characterization of the proteome and phosphoproteome of human embryonic stem cell differentiation.

PubMed ID: 21406692

DOI: 10.1126/scisignal.2001570

PubMed ID: 23186163

Title: Toward a comprehensive characterization of a human cancer cell phosphoproteome.

PubMed ID: 23186163

DOI: 10.1021/pr300630k

PubMed ID: 24275569

Title: An enzyme assisted RP-RPLC approach for in-depth analysis of human liver phosphoproteome.

PubMed ID: 24275569

DOI: 10.1016/j.jprot.2013.11.014

PubMed ID: 15143057

Title: Solution structure of atypical protein kinase C PB1 domain and its mode of interaction with ZIP/p62 and MEK5.

PubMed ID: 15143057

DOI: 10.1074/jbc.m403092200

PubMed ID: 15590654

Title: Structure of a cell polarity regulator, a complex between atypical PKC and Par6 PB1 domains.

PubMed ID: 15590654

DOI: 10.1074/jbc.m409823200

PubMed ID: 16125198

Title: Crystal structure of the catalytic domain of human atypical protein kinase C-iota reveals interaction mode of phosphorylation site in turn motif.

PubMed ID: 16125198

DOI: 10.1016/j.jmb.2005.07.060

PubMed ID: 17344846

Title: Patterns of somatic mutation in human cancer genomes.

PubMed ID: 17344846

DOI: 10.1038/nature05610

Sequence Information:

  • Length: 596
  • Mass: 68262
  • Checksum: 1E3F8C1D4BFC734F
  • Sequence:
  • MPTQRDSSTM SHTVAGGGSG DHSHQVRVKA YYRGDIMITH FEPSISFEGL CNEVRDMCSF 
    DNEQLFTMKW IDEEGDPCTV SSQLELEEAF RLYELNKDSE LLIHVFPCVP ERPGMPCPGE 
    DKSIYRRGAR RWRKLYCANG HTFQAKRFNR RAHCAICTDR IWGLGRQGYK CINCKLLVHK 
    KCHKLVTIEC GRHSLPQEPV MPMDQSSMHS DHAQTVIPYN PSSHESLDQV GEEKEAMNTR 
    ESGKASSSLG LQDFDLLRVI GRGSYAKVLL VRLKKTDRIY AMKVVKKELV NDDEDIDWVQ 
    TEKHVFEQAS NHPFLVGLHS CFQTESRLFF VIEYVNGGDL MFHMQRQRKL PEEHARFYSA 
    EISLALNYLH ERGIIYRDLK LDNVLLDSEG HIKLTDYGMC KEGLRPGDTT STFCGTPNYI 
    APEILRGEDY GFSVDWWALG VLMFEMMAGR SPFDIVGSSD NPDQNTEDYL FQVILEKQIR 
    IPRSLSVKAA SVLKSFLNKD PKERLGCHPQ TGFADIQGHP FFRNVDWDMM EQKQVVPPFK 
    PNISGEFGLD NFDSQFTNEP VQLTPDDDDI VRKIDQSEFE GFEYINPLLM SAEECV