Details for: PDPK1

Gene ID: 5170

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: PDPK1

Ensembl ID: ENSG00000140992

Description: 3-phosphoinositide dependent protein kinase 1

Selected Context(s):  Overall

Cell Significance Landscape

Contexts:

Associated with

Significant Cells

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

  • choroid plexus epithelial cell CL0000706
    CSI 6.64
    rCSI 10.87%
    PRS 41.26
  • hepatocyte CL0000182
    CSI 5.68
    rCSI 10.16%
    PRS 49.99
  • near-projecting glutamatergic cortical neuron CL4023012
    CSI 4.44
    rCSI 16.76%
    PRS 35.35
  • fallopian tube secretory epithelial cell CL4030006
    CSI 4.3
    rCSI 4.14%
    PRS 51.65
  • intestinal tuft cell CL0019032
    CSI 3.57
    rCSI 5.46%
    PRS 56.09
  • lung neuroendocrine cell CL1000223
    CSI 3.54
    rCSI 5.23%
    PRS 56.76
  • double negative thymocyte CL0002489
    CSI 3.32
    rCSI 2.31%
    PRS 61.42
  • lung macrophage CL1001603
    CSI 3.28
    rCSI 7.33%
    PRS 58.54
  • effector CD8-positive, alpha-beta T cell CL0001050
    CSI 3.19
    rCSI 2.42%
    PRS 63.74
  • blood vessel endothelial cell CL0000071
    CSI 3.05
    rCSI 6.34%
    PRS 48.8
  • renal alpha-intercalated cell CL0005011
    CSI 3.02
    rCSI 4.04%
    PRS 59.98
  • IgG plasma cell CL0000985
    CSI 3
    rCSI 3.6%
    PRS 70.14
  • unswitched memory B cell CL0000970
    CSI 2.9
    rCSI 2.44%
    PRS 69.13
  • enteric smooth muscle cell CL0002504
    CSI 2.81
    rCSI 4.01%
    PRS 53.84
  • pancreatic D cell CL0000173
    CSI 2.76
    rCSI 2.71%
    PRS 53.88
  • effector memory CD8-positive, alpha-beta T cell, terminally differentiated CL0001062
    CSI 2.71
    rCSI 13.59%
    PRS 63.37
  • central memory CD4-positive, alpha-beta T cell CL0000904
    CSI 2.7
    rCSI 1.6%
    PRS 68.03
  • direct pathway medium spiny neuron CL4023026
    CSI 2.69
    rCSI 64.3%
    PRS 33.97
  • indirect pathway medium spiny neuron CL4023029
    CSI 2.64
    rCSI 63.61%
    PRS 34.93
  • renal beta-intercalated cell CL0002201
    CSI 2.64
    rCSI 6.28%
    PRS 52.88
  • L6b glutamatergic cortical neuron CL4023038
    CSI 2.59
    rCSI 8.1%
    PRS 35.9
  • brush cell of tracheobronchial tree CL0002075
    CSI 2.59
    rCSI 7.69%
    PRS 61.89
  • melanocyte CL0000148
    CSI 2.53
    rCSI 1.87%
    PRS 44.27
  • alveolar macrophage CL0000583
    CSI 2.39
    rCSI 3.93%
    PRS 56.9
  • myeloid leukocyte CL0000766
    CSI 2.38
    rCSI 2.2%
    PRS 52.4
  • Kupffer cell CL0000091
    CSI 2.33
    rCSI 5.32%
    PRS 50.81
  • myoepithelial cell CL0000185
    CSI 2.3
    rCSI 5.81%
    PRS 59.87
  • megakaryocyte-erythroid progenitor cell CL0000050
    CSI 2.28
    rCSI 2.06%
    PRS 48.1
  • CD4-positive helper T cell CL0000492
    CSI 2.27
    rCSI 1.72%
    PRS 64.95
  • medium spiny neuron CL1001474
    CSI 2.27
    rCSI 19.54%
    PRS 38.47
  • fibroblast of cardiac tissue CL0002548
    CSI 2.26
    rCSI 10.82%
    PRS 50.32
  • goblet cell CL0000160
    CSI 2.22
    rCSI 2.1%
    PRS 51.74
  • squamous epithelial cell CL0000076
    CSI 2.18
    rCSI 5.17%
    PRS 56.58
  • kidney interstitial alternatively activated macrophage CL1000695
    CSI 2.12
    rCSI 5.53%
    PRS 50.51
  • interneuron CL0000099
    CSI 2.11
    rCSI 4.24%
    PRS 40.75
  • blood vessel smooth muscle cell CL0019018
    CSI 2.11
    rCSI 17.17%
    PRS 44.94
  • secretory cell CL0000151
    CSI 2.1
    rCSI 2.19%
    PRS 51.81
  • hepatic stellate cell CL0000632
    CSI 2.1
    rCSI 7.88%
    PRS 43.79
  • mesodermal cell CL0000222
    CSI 2.09
    rCSI 2.51%
    PRS 49.26
  • pro-B cell CL0000826
    CSI 2.05
    rCSI 1.69%
    PRS 52.86
  • T-helper 17 cell CL0000899
    CSI 2.04
    rCSI 1.62%
    PRS 73.95
  • luminal epithelial cell of mammary gland CL0002326
    CSI 2.03
    rCSI 3.69%
    PRS 67.61
  • BEST4+ enteroycte CL4030026
    CSI 2
    rCSI 2.49%
    PRS 53.66
  • pulmonary ionocyte CL0017000
    CSI 2
    rCSI 2.43%
    PRS 59.25
  • duct epithelial cell CL0000068
    CSI 1.98
    rCSI 2.9%
    PRS 54.79
  • T follicular helper cell CL0002038
    CSI 1.97
    rCSI 1.47%
    PRS 66.59
  • perivascular cell CL4033054
    CSI 1.95
    rCSI 2.66%
    PRS 56.59
  • intermediate monocyte CL0002393
    CSI 1.93
    rCSI 2.92%
    PRS 54.15
  • interstitial cell of Cajal CL0002088
    CSI 1.93
    rCSI 2.46%
    PRS 57.24
  • mature astrocyte CL0002627
    CSI 1.91
    rCSI 8.14%
    PRS 46.51
  • inflammatory macrophage CL0000863
    CSI 1.9
    rCSI 3.25%
    PRS 77.21
  • CD4-positive, alpha-beta memory T cell CL0000897
    CSI 1.9
    rCSI 1.36%
    PRS 65.3
  • myofibroblast cell CL0000186
    CSI 1.89
    rCSI 2.61%
    PRS 54.69
  • immature B cell CL0000816
    CSI 1.85
    rCSI 1.37%
    PRS 65.23
  • transit amplifying cell of colon CL0009011
    CSI 1.84
    rCSI 2.17%
    PRS 54.38
  • renal principal cell CL0005009
    CSI 1.83
    rCSI 4.76%
    PRS 55.79
  • respiratory suprabasal cell CL4033048
    CSI 1.83
    rCSI 2.34%
    PRS 56.2
  • central memory CD8-positive, alpha-beta T cell CL0000907
    CSI 1.8
    rCSI 1.21%
    PRS 63.29
  • VIP GABAergic cortical interneuron CL4023016
    CSI 1.78
    rCSI 2.13%
    PRS 34.37
  • plasmacytoid dendritic cell, human CL0001058
    CSI 1.76
    rCSI 1.23%
    PRS 53.77
  • rod bipolar cell CL0000751
    CSI 1.73
    rCSI 3.11%
    PRS 44.61
  • epithelial cell of lung CL0000082
    CSI 1.73
    rCSI 1.43%
    PRS 50.1
  • cardiac endothelial cell CL0010008
    CSI 1.7
    rCSI 6.87%
    PRS 49.67
  • bronchus fibroblast of lung CL2000093
    CSI 1.7
    rCSI 1.38%
    PRS 51.9
  • periportal region hepatocyte CL0019026
    CSI 1.69
    rCSI 6.58%
    PRS 58.77
  • retinal cone cell CL0000573
    CSI 1.68
    rCSI 2.71%
    PRS 41.54
  • pancreatic A cell CL0000171
    CSI 1.67
    rCSI 1.75%
    PRS 54.56
  • colon epithelial cell CL0011108
    CSI 1.67
    rCSI 1.75%
    PRS 48.28
  • neural crest cell CL0011012
    CSI 1.66
    rCSI 1.31%
    PRS 38.58
  • colonocyte CL1000347
    CSI 1.66
    rCSI 2.37%
    PRS 57.36
  • naive T cell CL0000898
    CSI 1.64
    rCSI 1.14%
    PRS 65.39
  • precursor B cell CL0000817
    CSI 1.63
    rCSI 1.42%
    PRS 61.51
  • CD14-positive monocyte CL0001054
    CSI 1.62
    rCSI 2.02%
    PRS 62.69
  • retinal blood vessel endothelial cell CL0002585
    CSI 1.61
    rCSI 2.57%
    PRS 55.34
  • chondrocyte CL0000138
    CSI 1.6
    rCSI 2.55%
    PRS 43.91
  • CD4-positive, CD25-positive, alpha-beta regulatory T cell CL0000792
    CSI 1.59
    rCSI 1.56%
    PRS 67.43
  • common myeloid progenitor CL0000049
    CSI 1.59
    rCSI 1.29%
    PRS 52.39
  • CD14-positive, CD16-positive monocyte CL0002397
    CSI 1.57
    rCSI 2.05%
    PRS 65.15
  • neuroblast (sensu Vertebrata) CL0000031
    CSI 1.57
    rCSI 2.01%
    PRS 49.14
  • epithelial cell of lower respiratory tract CL0002632
    CSI 1.57
    rCSI 1.21%
    PRS 52.14
  • intestinal epithelial cell CL0002563
    CSI 1.56
    rCSI 1.64%
    PRS 50.24
  • double-positive, alpha-beta thymocyte CL0000809
    CSI 1.55
    rCSI 1.58%
    PRS 65.04
  • lung pericyte CL0009089
    CSI 1.54
    rCSI 4.05%
    PRS 59.54
  • ciliated cell CL0000064
    CSI 1.52
    rCSI 2.47%
    PRS 49.07
  • pvalb GABAergic cortical interneuron CL4023018
    CSI 1.52
    rCSI 1.89%
    PRS 32.81
  • elicited macrophage CL0000861
    CSI 1.52
    rCSI 1.39%
    PRS 59.72
  • retina horizontal cell CL0000745
    CSI 1.52
    rCSI 2.31%
    PRS 47.86
  • mature B cell CL0000785
    CSI 1.49
    rCSI 1.3%
    PRS 61.75
  • kidney loop of Henle thin ascending limb epithelial cell CL1001107
    CSI 1.49
    rCSI 3.85%
    PRS 46.95
  • ependymal cell CL0000065
    CSI 1.47
    rCSI 2.99%
    PRS 32.48
  • regular atrial cardiac myocyte CL0002129
    CSI 1.47
    rCSI 4.72%
    PRS 50.22
  • ciliated epithelial cell CL0000067
    CSI 1.46
    rCSI 1.28%
    PRS 39.97
  • cerebral cortex neuron CL0010012
    CSI 1.44
    rCSI 5.89%
    PRS 47.89
  • adventitial cell CL0002503
    CSI 1.42
    rCSI 3.38%
    PRS 60.88
  • enterocyte CL0000584
    CSI 1.41
    rCSI 2.28%
    PRS 58.17
  • hematopoietic stem cell CL0000037
    CSI 1.39
    rCSI 0.93%
    PRS 55.12
  • CD14-low, CD16-positive monocyte CL0002396
    CSI 1.38
    rCSI 1.07%
    PRS 50.7
  • stem cell CL0000034
    CSI 1.38
    rCSI 1.33%
    PRS 41.89
  • multi-ciliated epithelial cell CL0005012
    CSI 1.37
    rCSI 1.37%
    PRS 45.15
  • activated CD8-positive, alpha-beta T cell, human CL0001049
    CSI 1.37
    rCSI 2.34%
    PRS 71.38
  • L5 extratelencephalic projecting glutamatergic cortical neuron CL4023041
    CSI 0.4
    rCSI 1.5%
    PRS 33.2%
  • deuterosomal cell CL4033044
    CSI 0.5
    rCSI 1.5%
    PRS 58.6%
  • kidney connecting tubule epithelial cell CL1000768
    CSI 0.5
    rCSI 1.3%
    PRS 41.3%
  • pancreatic ductal cell CL0002079
    CSI 0.5
    rCSI 1.0%
    PRS 53.6%
  • podocyte CL0000653
    CSI 0.6
    rCSI 2.4%
    PRS 50.4%
  • retinal ganglion cell CL0000740
    CSI 0.6
    rCSI 1.4%
    PRS 38.7%
  • small intestine goblet cell CL1000495
    CSI 0.7
    rCSI 1.4%
    PRS 60.7%
  • regular ventricular cardiac myocyte CL0002131
    CSI 0.7
    rCSI 4.2%
    PRS 43.5%
  • parietal epithelial cell CL1000452
    CSI 0.7
    rCSI 1.8%
    PRS 43.3%
  • promonocyte CL0000559
    CSI 0.7
    rCSI 1.2%
    PRS 61.0%
  • glial cell CL0000125
    CSI 0.8
    rCSI 2.9%
    PRS 43.5%
  • chandelier pvalb GABAergic cortical interneuron CL4023036
    CSI 0.8
    rCSI 2.4%
    PRS 38.3%
  • retinal bipolar neuron CL0000748
    CSI 0.8
    rCSI 1.5%
    PRS 40.4%
  • intestinal crypt stem cell of small intestine CL0009017
    CSI 0.8
    rCSI 2.2%
    PRS 59.7%
  • astrocyte of the cerebral cortex CL0002605
    CSI 0.8
    rCSI 1.8%
    PRS 35.3%
  • paneth cell CL0000510
    CSI 0.8
    rCSI 1.2%
    PRS 68.5%
  • L2/3-6 intratelencephalic projecting glutamatergic neuron CL4023040
    CSI 0.9
    rCSI 2.1%
    PRS 33.4%
  • nasal mucosa goblet cell CL0002480
    CSI 0.9
    rCSI 1.0%
    PRS 60.7%
  • ciliated columnar cell of tracheobronchial tree CL0002145
    CSI 0.9
    rCSI 2.0%
    PRS 49.0%
  • L5/6 near-projecting glutamatergic neuron CL4030067
    CSI 0.9
    rCSI 2.9%
    PRS 39.4%
  • kidney loop of Henle thin descending limb epithelial cell CL1001111
    CSI 0.9
    rCSI 1.3%
    PRS 47.9%
  • lamp5 GABAergic cortical interneuron CL4023011
    CSI 0.9
    rCSI 1.6%
    PRS 34.5%
  • lung secretory cell CL1000272
    CSI 1.0
    rCSI 2.4%
    PRS 49.2%
  • effector CD4-positive, alpha-beta T cell CL0001044
    CSI 1.0
    rCSI 2.8%
    PRS 70.5%
  • CD8-positive, CD28-negative, alpha-beta regulatory T cell CL0000920
    CSI 1.0
    rCSI 1.9%
    PRS 69.8%
  • extravillous trophoblast CL0008036
    CSI 1.0
    rCSI 1.3%
    PRS 47.2%
  • pulmonary artery endothelial cell CL1001568
    CSI 1.0
    rCSI 1.4%
    PRS 63.9%
  • Hofbauer cell CL3000001
    CSI 1.0
    rCSI 2.0%
    PRS 62.0%
  • Schwann cell CL0002573
    CSI 1.0
    rCSI 2.9%
    PRS 50.1%
  • peripheral nervous system neuron CL2000032
    CSI 1.0
    rCSI 1.4%
    PRS 44.2%
  • lung ciliated cell CL1000271
    CSI 1.0
    rCSI 1.2%
    PRS 41.3%
  • mucus secreting cell CL0000319
    CSI 1.1
    rCSI 1.7%
    PRS 62.3%
  • renal interstitial pericyte CL1001318
    CSI 1.1
    rCSI 2.9%
    PRS 47.5%
  • type B pancreatic cell CL0000169
    CSI 1.1
    rCSI 2.4%
    PRS 48.9%
  • ionocyte CL0005006
    CSI 1.1
    rCSI 1.2%
    PRS 49.7%
  • cardiac muscle cell CL0000746
    CSI 1.1
    rCSI 1.6%
    PRS 41.8%
  • vascular associated smooth muscle cell CL0000359
    CSI 1.1
    rCSI 3.7%
    PRS 53.4%
  • placental villous trophoblast CL2000060
    CSI 1.2
    rCSI 1.8%
    PRS 49.2%
  • dendritic cell, human CL0001056
    CSI 1.2
    rCSI 1.8%
    PRS 59.4%
  • corticothalamic-projecting glutamatergic cortical neuron CL4023013
    CSI 1.2
    rCSI 6.9%
    PRS 36.0%
  • granulocyte monocyte progenitor cell CL0000557
    CSI 1.2
    rCSI 1.0%
    PRS 55.8%
  • sst GABAergic cortical interneuron CL4023017
    CSI 1.2
    rCSI 1.5%
    PRS 35.5%
  • central nervous system neuron CL2000029
    CSI 1.2
    rCSI 8.7%
    PRS 38.7%
  • Langerhans cell CL0000453
    CSI 1.2
    rCSI 1.8%
    PRS 68.5%
  • inhibitory interneuron CL0000498
    CSI 1.2
    rCSI 2.8%
    PRS 41.8%
  • enteroendocrine cell CL0000164
    CSI 1.2
    rCSI 1.7%
    PRS 53.7%
  • pulmonary alveolar type 2 cell CL0002063
    CSI 1.2
    rCSI 1.9%
    PRS 60.1%
  • caudal ganglionic eminence derived cortical interneuron CL4023064
    CSI 1.2
    rCSI 2.2%
    PRS 33.5%
  • cardiac neuron CL0010022
    CSI 1.2
    rCSI 4.0%
    PRS 48.2%
  • CD1c-positive myeloid dendritic cell CL0002399
    CSI 1.3
    rCSI 1.5%
    PRS 59.6%
  • sncg GABAergic cortical interneuron CL4023015
    CSI 1.3
    rCSI 2.0%
    PRS 36.6%
  • basal cell CL0000646
    CSI 1.3
    rCSI 1.7%
    PRS 52.5%
  • cerebral cortex endothelial cell CL1001602
    CSI 1.3
    rCSI 2.2%
    PRS 41.7%
  • amacrine cell CL0000561
    CSI 1.3
    rCSI 3.7%
    PRS 41.9%
  • intestine goblet cell CL0019031
    CSI 1.3
    rCSI 1.2%
    PRS 49.8%
  • epithelial cell of proximal tubule CL0002306
    CSI 1.3
    rCSI 3.3%
    PRS 46.1%
  • cerebral cortex GABAergic interneuron CL0010011
    CSI 1.4
    rCSI 4.0%
    PRS 55.4%
  • L4 intratelencephalic projecting glutamatergic neuron CL4030063
    CSI 1.4
    rCSI 3.3%
    PRS 39.7%
  • activated CD8-positive, alpha-beta T cell, human CL0001049
    CSI 1.4
    rCSI 2.3%
    PRS 71.4%
  • multi-ciliated epithelial cell CL0005012
    CSI 1.4
    rCSI 1.4%
    PRS 45.2%
  • stem cell CL0000034
    CSI 1.4
    rCSI 1.3%
    PRS 41.9%
  • CD14-low, CD16-positive monocyte CL0002396
    CSI 1.4
    rCSI 1.1%
    PRS 50.7%
  • hematopoietic stem cell CL0000037
    CSI 1.4
    rCSI 0.9%
    PRS 55.1%
  • enterocyte CL0000584
    CSI 1.4
    rCSI 2.3%
    PRS 58.2%
  • adventitial cell CL0002503
    CSI 1.4
    rCSI 3.4%
    PRS 60.9%
  • cerebral cortex neuron CL0010012
    CSI 1.4
    rCSI 5.9%
    PRS 47.9%
  • ciliated epithelial cell CL0000067
    CSI 1.5
    rCSI 1.3%
    PRS 40.0%
  • regular atrial cardiac myocyte CL0002129
    CSI 1.5
    rCSI 4.7%
    PRS 50.2%
  • ependymal cell CL0000065
    CSI 1.5
    rCSI 3.0%
    PRS 32.5%
  • kidney loop of Henle thin ascending limb epithelial cell CL1001107
    CSI 1.5
    rCSI 3.9%
    PRS 47.0%
  • mature B cell CL0000785
    CSI 1.5
    rCSI 1.3%
    PRS 61.8%
  • retina horizontal cell CL0000745
    CSI 1.5
    rCSI 2.3%
    PRS 47.9%
  • elicited macrophage CL0000861
    CSI 1.5
    rCSI 1.4%
    PRS 59.7%
  • pvalb GABAergic cortical interneuron CL4023018
    CSI 1.5
    rCSI 1.9%
    PRS 32.8%
  • ciliated cell CL0000064
    CSI 1.5
    rCSI 2.5%
    PRS 49.1%
  • lung pericyte CL0009089
    CSI 1.5
    rCSI 4.1%
    PRS 59.5%
  • double-positive, alpha-beta thymocyte CL0000809
    CSI 1.6
    rCSI 1.6%
    PRS 65.0%
  • intestinal epithelial cell CL0002563
    CSI 1.6
    rCSI 1.6%
    PRS 50.2%
  • epithelial cell of lower respiratory tract CL0002632
    CSI 1.6
    rCSI 1.2%
    PRS 52.1%
  • neuroblast (sensu Vertebrata) CL0000031
    CSI 1.6
    rCSI 2.0%
    PRS 49.1%
  • CD14-positive, CD16-positive monocyte CL0002397
    CSI 1.6
    rCSI 2.1%
    PRS 65.2%
  • common myeloid progenitor CL0000049
    CSI 1.6
    rCSI 1.3%
    PRS 52.4%
  • CD4-positive, CD25-positive, alpha-beta regulatory T cell CL0000792
    CSI 1.6
    rCSI 1.6%
    PRS 67.4%
  • chondrocyte CL0000138
    CSI 1.6
    rCSI 2.6%
    PRS 43.9%
  • retinal blood vessel endothelial cell CL0002585
    CSI 1.6
    rCSI 2.6%
    PRS 55.3%
  • CD14-positive monocyte CL0001054
    CSI 1.6
    rCSI 2.0%
    PRS 62.7%
  • precursor B cell CL0000817
    CSI 1.6
    rCSI 1.4%
    PRS 61.5%
  • naive T cell CL0000898
    CSI 1.6
    rCSI 1.1%
    PRS 65.4%
  • colonocyte CL1000347
    CSI 1.7
    rCSI 2.4%
    PRS 57.4%
  • neural crest cell CL0011012
    CSI 1.7
    rCSI 1.3%
    PRS 38.6%
  • colon epithelial cell CL0011108
    CSI 1.7
    rCSI 1.8%
    PRS 48.3%
  • pancreatic A cell CL0000171
    CSI 1.7
    rCSI 1.8%
    PRS 54.6%
  • retinal cone cell CL0000573
    CSI 1.7
    rCSI 2.7%
    PRS 41.5%
  • periportal region hepatocyte CL0019026
    CSI 1.7
    rCSI 6.6%
    PRS 58.8%
  • bronchus fibroblast of lung CL2000093
    CSI 1.7
    rCSI 1.4%
    PRS 51.9%
  • cardiac endothelial cell CL0010008
    CSI 1.7
    rCSI 6.9%
    PRS 49.7%
  • epithelial cell of lung CL0000082
    CSI 1.7
    rCSI 1.4%
    PRS 50.1%
  • rod bipolar cell CL0000751
    CSI 1.7
    rCSI 3.1%
    PRS 44.6%
  • plasmacytoid dendritic cell, human CL0001058
    CSI 1.8
    rCSI 1.2%
    PRS 53.8%
  • VIP GABAergic cortical interneuron CL4023016
    CSI 1.8
    rCSI 2.1%
    PRS 34.4%

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 [PDPK1](/details-gene/5170) (3-phosphoinositide dependent protein kinase 1) encodes a master protein serine/threonine kinase that functions as a critical node in intracellular signaling. It is a key downstream effector of PI3-kinase (PI3K) and is essential for the activation of a wide range of AGC kinase family members, including AKT/PKB, p70 S6 kinase (S6K), and protein kinase C (PKC) ([Link](https://doi.org/10.1016/s0960-9822(06)00122-9)). This central role places [PDPK1](/details-gene/5170) at the heart of regulating fundamental cellular processes such as cell growth, proliferation, survival, and metabolism. **Overall**, its expression profile is broad, with notable significance in diverse cell types including [choroid plexus epithelial cell](/details-cell/CL0000706), [hepatocyte](/details-cell/CL0000182), various immune cells, and neurons, reflecting its ubiquitous importance in signal transduction across multiple organ systems. ## Cellular Roles and Expression Landscape The expression pattern of [PDPK1](/details-gene/5170) underscores its foundational role as a signaling integrator in a wide array of cell lineages. **Overall**, it exhibits high significance in specialized epithelial cells, such as [choroid plexus epithelial cell](/details-cell/CL0000706) and [fallopian tube secretory epithelial cell](/details-cell/CL4030006), suggesting a role in maintaining barrier function and secretory activities. Its high CSI score in [hepatocyte](/details-cell/CL0000182) is consistent with its established function in insulin signaling and metabolic regulation. Furthermore, [PDPK1](/details-gene/5170) appears to be a key player in the nervous system, as evidenced by its significance in [near-projecting glutamatergic cortical neuron](/details-cell/CL4023012). This aligns with its involvement in pathways like [Activation of nmda receptors and postsynaptic events](/details-reactome/R-HSA-442755). The gene also shows notable expression in various endocrine cells, including [lung neuroendocrine cell](/details-cell/CL1000223) and [pancreatic D cell](/details-cell/CL0000173). Within the immune system, [PDPK1](/details-gene/5170) demonstrates broad importance across both innate and adaptive lineages. It is significant in [lung macrophage](/details-cell/CL1001603) as well as in multiple lymphocyte subsets, including [double negative thymocyte](/details-cell/CL0002489), [effector CD8-positive, alpha-beta T cell](/details-cell/CL0001050), [IgG plasma cell](/details-cell/CL0000985), and [unswitched memory B cell](/details-cell/CL0000970). This widespread expression pattern in immune cells points to its central role in processes like T-cell activation, B-cell differentiation, and innate immune responses. ## Pathways and Molecular Function [PDPK1](/details-gene/5170) is a protein kinase with a primary molecular function of [3-phosphoinositide-dependent protein kinase activity](/details-go/GO:0004676), enabling it to phosphorylate and activate downstream targets upon recruitment to the plasma membrane by the lipid second messenger PIP3. Its function is central to the [Pip3 activates akt signaling](/details-reactome/R-HSA-1257604) pathway, a critical axis for cell survival and growth ([Link](https://doi.org/10.1016/s0960-9822(98)70274-x)). Seminal studies have demonstrated its direct role in phosphorylating and activating Protein Kinase B (AKT), p70S6K, and other AGC kinases ([Link](https://doi.org/10.1126/science.279.5351.710), [Link](https://doi.org/10.1126/science.279.5351.707)). The extensive list of associated biological processes highlights its pleiotropic nature. In metabolically active cells like [hepatocyte](/details-cell/CL0000182), its role is critical for the [Insulin receptor signaling pathway](/details-go/GO:0008286). In immune cells, such as [effector CD8-positive, alpha-beta T cell](/details-cell/CL0001050), it is integral to the [Adaptive immune system](/details-reactome/R-HSA-1280218), particularly through its involvement in [Tcr signaling](/details-reactome/R-HSA-202403) and [Cd28 co-stimulation](/details-reactome/R-HSA-389356). Furthermore, its function extends to regulating the [actin cytoskeleton organization](/details-go/GO:0030036) and [cell migration](/details-go/GO:0016477), which is consistent with its expression in endothelial cells and its role in processes like angiogenesis ([Link](https://www.ebi.ac.uk/QuickGO/term/GO:0045766)). The kinase also participates in signaling cascades initiated by growth factors ([Cellular response to epidermal growth factor stimulus](/details-go/GO:0071364)) and G-protein coupled receptors ([Gpcr downstream signalling](/details-reactome/R-HSA-388396)). ## Research Directions The ubiquitous and critical role of [PDPK1](/details-gene/5170) in cellular signaling makes it a central focus for research, particularly in understanding how a single kinase can regulate such diverse outcomes in different cell types. ### Proposed Hypotheses: 1. Given its high significance in [choroid plexus epithelial cell](/details-cell/CL0000706) and its established role in regulating the cytoskeleton, it is hypothesized that [PDPK1](/details-gene/5170) is a critical regulator of blood-cerebrospinal fluid barrier integrity. It may achieve this by controlling the phosphorylation status of proteins that govern tight junction assembly and dynamics. 2. The high significance of [PDPK1](/details-gene/5170) in both developing ([double negative thymocyte](/details-cell/CL0002489)) and mature ([effector CD8-positive, alpha-beta T cell](/details-cell/CL0001050)) T cells suggests that its activity level is precisely tuned to control distinct stages of T cell life, from thymic selection to peripheral effector function. We hypothesize that distinct upstream signals in these cellular contexts dictate specific downstream [PDPK1](/details-gene/5170) substrate selection, leading to divergent functional outcomes. ### Experimental Approach: To test the first hypothesis regarding the role of [PDPK1](/details-gene/5170) in the blood-cerebrospinal fluid barrier, a conditional knockout mouse model could be generated to specifically delete [PDPK1](/details-gene/5170) in choroid plexus epithelial cells. In vivo barrier permeability could then be quantitatively assessed by measuring the extravasation of fluorescently labeled dextrans or other tracers into the brain parenchyma. Furthermore, primary cultures of choroid plexus epithelial cells from these mice could be used for in vitro analysis of transepithelial electrical resistance (TEER). The localization and expression levels of key tight junction proteins (e.g., Claudins, Occludin, ZO-1) would be examined via immunofluorescence microscopy and western blot to determine the molecular mechanism underlying any observed barrier defects. ### Therapeutic Potential: As a central kinase in the PI3K/AKT signaling pathway, which is one of the most frequently dysregulated pathways in human cancer ([Link](https://reactome.org/content/detail/R-HSA-2219528)), [PDPK1](/details-gene/5170) is a well-validated therapeutic target. Inhibition of [PDPK1](/details-gene/5170) is a promising strategy for cancer treatment, particularly in tumors with activating mutations in PI3K or loss of the PTEN tumor suppressor. However, its crucial role in normal physiology, especially in insulin signaling and immune function, presents a major challenge due to the high risk of on-target toxicities with systemic inhibitors. The development of next-generation therapies may focus on allosteric inhibitors, degraders (PROTACs), or delivery systems that achieve tumor-specific targeting to improve the therapeutic index.

Genular Protein ID: 2030207548

Symbol: PDPK1_HUMAN

Name: 3-phosphoinositide-dependent protein kinase 1

UniProtKB Accession Codes:

Database IDs:

Citations:

PubMed ID: 9094314

Title: Characterization of a 3-phosphoinositide-dependent protein kinase which phosphorylates and activates protein kinase B alpha.

PubMed ID: 9094314

DOI: 10.1016/s0960-9822(06)00122-9

PubMed ID: 9368760

Title: 3-phosphoinositide-dependent protein kinase-1 (PDK1): structural and functional homology with the Drosophila DSTPK61 kinase.

PubMed ID: 9368760

DOI: 10.1016/s0960-9822(06)00336-8

PubMed ID: 9445477

Title: Protein kinase B kinases that mediate phosphatidylinositol 3,4,5-trisphosphate-dependent activation of protein kinase B.

PubMed ID: 9445477

DOI: 10.1126/science.279.5351.710

PubMed ID: 15616553

Title: The sequence and analysis of duplication-rich human chromosome 16.

PubMed ID: 15616553

DOI: 10.1038/nature03187

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: 9637919

Title: Translocation of PDK-1 to the plasma membrane is important in allowing PDK-1 to activate protein kinase B.

PubMed ID: 9637919

DOI: 10.1016/s0960-9822(98)70274-x

PubMed ID: 9768361

Title: Regulation of protein kinase C zeta by PI 3-kinase and PDK-1.

PubMed ID: 9768361

DOI: 10.1016/s0960-9822(98)70444-0

PubMed ID: 9707564

Title: Phosphorylation and activation of cAMP-dependent protein kinase by phosphoinositide-dependent protein kinase.

PubMed ID: 9707564

DOI: 10.1073/pnas.95.17.9849

PubMed ID: 9445476

Title: Phosphorylation and activation of p70s6k by PDK1.

PubMed ID: 9445476

DOI: 10.1126/science.279.5351.707

PubMed ID: 10455013

Title: Phosphorylation of Ser-241 is essential for the activity of 3-phosphoinositide-dependent protein kinase-1: identification of five sites of phosphorylation in vivo.

PubMed ID: 10455013

DOI: 10.1042/bj3420287

PubMed ID: 10364160

Title: A PDK1 homolog is necessary and sufficient to transduce AGE-1 PI3 kinase signals that regulate diapause in Caenorhabditis elegans.

PubMed ID: 10364160

DOI: 10.1101/gad.13.11.1438

PubMed ID: 10480933

Title: 90-kDa ribosomal S6 kinase is phosphorylated and activated by 3-phosphoinositide-dependent protein kinase-1.

PubMed ID: 10480933

DOI: 10.1074/jbc.274.38.27168

PubMed ID: 10995762

Title: p21-activated kinase (PAK1) is phosphorylated and activated by 3-phosphoinositide-dependent kinase-1 (PDK1).

PubMed ID: 10995762

DOI: 10.1074/jbc.m006553200

PubMed ID: 11481331

Title: Identification of tyrosine phosphorylation sites on 3-phosphoinositide-dependent protein kinase-1 (PDK1) and their role in regulating kinase activity.

PubMed ID: 11481331

DOI: 10.1074/jbc.m105916200

PubMed ID: 12177059

Title: Regulation of kinase activity of 3-phosphoinositide-dependent protein kinase-1 by binding to 14-3-3.

PubMed ID: 12177059

DOI: 10.1074/jbc.m205141200

PubMed ID: 12167717

Title: Multiple phosphoinositide 3-kinase-dependent steps in activation of protein kinase B.

PubMed ID: 12167717

DOI: 10.1128/mcb.22.17.6247-6260.2002

PubMed ID: 14585963

Title: Pyk2- and Src-dependent tyrosine phosphorylation of PDK1 regulates focal adhesions.

PubMed ID: 14585963

DOI: 10.1128/mcb.23.22.8019-8029.2003

PubMed ID: 14604990

Title: Peroxisomal targeting as a tool for assaying protein-protein interactions in the living cell: cytokine-independent survival kinase (CISK) binds PDK-1 in vivo in a phosphorylation-dependent manner.

PubMed ID: 14604990

DOI: 10.1074/jbc.m309653200

PubMed ID: 15210700

Title: The adaptor protein Grb14 regulates the localization of 3-phosphoinositide-dependent kinase-1.

PubMed ID: 15210700

DOI: 10.1074/jbc.m405340200

PubMed ID: 10226025

Title: PDK1 acquires PDK2 activity in the presence of a synthetic peptide derived from the carboxyl terminus of PRK2.

PubMed ID: 10226025

DOI: 10.1016/s0960-9822(99)80186-9

PubMed ID: 15209375

Title: PDK1, the master regulator of AGC kinase signal transduction.

PubMed ID: 15209375

DOI: 10.1016/j.semcdb.2003.12.022

PubMed ID: 16207722

Title: 3-Phosphoinositide-dependent protein kinase-1-mediated IkappaB kinase beta (IkkB) phosphorylation activates NF-kappaB signaling.

PubMed ID: 16207722

DOI: 10.1074/jbc.m506235200

PubMed ID: 16251192

Title: Regulation of transforming growth factor-beta signaling and PDK1 kinase activity by physical interaction between PDK1 and serine-threonine kinase receptor-associated protein.

PubMed ID: 16251192

DOI: 10.1074/jbc.m507539200

PubMed ID: 15743829

Title: Phosphoinositide-dependent phosphorylation of PDK1 regulates nuclear translocation.

PubMed ID: 15743829

DOI: 10.1128/mcb.25.6.2347-2363.2005

PubMed ID: 16314505

Title: Tyrosine phosphorylation of phosphoinositide-dependent kinase 1 by the insulin receptor is necessary for insulin metabolic signaling.

PubMed ID: 16314505

DOI: 10.1128/mcb.25.24.10803-10814.2005

PubMed ID: 16780920

Title: Role of the PH domain in regulating in vitro autophosphorylation events required for reconstitution of PDK1 catalytic activity.

PubMed ID: 16780920

DOI: 10.1016/j.bioorg.2006.05.002

PubMed ID: 17327236

Title: 3-Phosphoinositide-dependent PDK1 negatively regulates transforming growth factor-beta-induced signaling in a kinase-dependent manner through physical interaction with Smad proteins.

PubMed ID: 17327236

DOI: 10.1074/jbc.m609279200

PubMed ID: 17371830

Title: Essential role of PDK1 in regulating endothelial cell migration.

PubMed ID: 17371830

DOI: 10.1083/jcb.200607053

PubMed ID: 18835241

Title: The C-terminus of PRK2/PKNgamma is required for optimal activation by RhoA in a GTP-dependent manner.

PubMed ID: 18835241

DOI: 10.1016/j.abb.2008.09.008

PubMed ID: 18616680

Title: TUSC4/NPRL2, a novel PDK1-interacting protein, inhibits PDK1 tyrosine phosphorylation and its downstream signaling.

PubMed ID: 18616680

DOI: 10.1111/j.1349-7006.2008.00874.x

PubMed ID: 18802401

Title: Dissecting the role of the 3-phosphoinositide-dependent protein kinase-1 (PDK1) signalling pathways.

PubMed ID: 18802401

DOI: 10.4161/cc.7.19.6810

PubMed ID: 18024423

Title: Regulation of 3-phosphoinositide-dependent protein kinase-1 (PDK1) by Src involves tyrosine phosphorylation of PDK1 and Src homology 2 domain binding.

PubMed ID: 18024423

DOI: 10.1074/jbc.m706361200

PubMed ID: 19591923

Title: The nuclear localization of 3'-phosphoinositide-dependent kinase-1 is dependent on its association with the protein tyrosine phosphatase SHP-1.

PubMed ID: 19591923

DOI: 10.1016/j.cellsig.2009.06.010

PubMed ID: 19276999

Title: IGF-I regulated phosphorylation and translocation of PDK-1 in neurons.

PubMed ID: 19276999

DOI: 10.1097/wnr.0b013e328329a41a

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: 22544756

Title: PDK1 phosphorylation at Thr354 by murine protein serine/threonine kinase 38 contributes to the negative regulation of PDK1 activity.

PubMed ID: 22544756

DOI: 10.1074/jbc.m111.331827

PubMed ID: 22347420

Title: Ubiquitin-specific protease 4 inhibits mono-ubiquitination of the master growth factor signaling kinase PDK1.

PubMed ID: 22347420

DOI: 10.1371/journal.pone.0031003

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: 12169624

Title: High resolution crystal structure of the human PDK1 catalytic domain defines the regulatory phosphopeptide docking site.

PubMed ID: 12169624

DOI: 10.1093/emboj/cdf437

PubMed ID: 15741170

Title: Role of T-loop phosphorylation in PDK1 activation, stability, and substrate binding.

PubMed ID: 15741170

DOI: 10.1074/jbc.m500977200

PubMed ID: 15772071

Title: Novel small molecule inhibitors of 3-phosphoinositide-dependent kinase-1.

PubMed ID: 15772071

DOI: 10.1074/jbc.m501367200

PubMed ID: 20978239

Title: Regulation of 3-phosphoinositide-dependent protein kinase 1 activity by homodimerization in live cells.

PubMed ID: 20978239

DOI: 10.1126/scisignal.2000738

PubMed ID: 22999883

Title: Substrate-selective inhibition of protein kinase PDK1 by small compounds that bind to the PIF-pocket allosteric docking site.

PubMed ID: 22999883

DOI: 10.1016/j.chembiol.2012.07.017

Sequence Information:

  • Length: 556
  • Mass: 63152
  • Checksum: ED8C0306DC4D0653
  • Sequence:
  • MARTTSQLYD AVPIQSSVVL CSCPSPSMVR TQTESSTPPG IPGGSRQGPA MDGTAAEPRP 
    GAGSLQHAQP PPQPRKKRPE DFKFGKILGE GSFSTVVLAR ELATSREYAI KILEKRHIIK 
    ENKVPYVTRE RDVMSRLDHP FFVKLYFTFQ DDEKLYFGLS YAKNGELLKY IRKIGSFDET 
    CTRFYTAEIV SALEYLHGKG IIHRDLKPEN ILLNEDMHIQ ITDFGTAKVL SPESKQARAN 
    SFVGTAQYVS PELLTEKSAC KSSDLWALGC IIYQLVAGLP PFRAGNEYLI FQKIIKLEYD 
    FPEKFFPKAR DLVEKLLVLD ATKRLGCEEM EGYGPLKAHP FFESVTWENL HQQTPPKLTA 
    YLPAMSEDDE DCYGNYDNLL SQFGCMQVSS SSSSHSLSAS DTGLPQRSGS NIEQYIHDLD 
    SNSFELDLQF SEDEKRLLLE KQAGGNPWHQ FVENNLILKM GPVDKRKGLF ARRRQLLLTE 
    GPHLYYVDPV NKVLKGEIPW SQELRPEAKN FKTFFVHTPN RTYYLMDPSG NAHKWCRKIQ 
    EVWRQRYQSH PDAAVQ