Details for: PPFIA1

Gene ID: 8500

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: PPFIA1

Ensembl ID: ENSG00000131626

Description: PTPRF interacting protein alpha 1

Selected Context(s):  Overall

Cell Significance Landscape

Contexts:

Associated with

Significant Cells

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

  • L2/3-6 intratelencephalic projecting glutamatergic neuron CL4023040
    CSI 15
    rCSI 36.46%
    PRS 27.77
  • granulocyte CL0000094
    CSI 12.94
    rCSI 19.76%
    PRS 52.36
  • L5 extratelencephalic projecting glutamatergic cortical neuron CL4023041
    CSI 12.03
    rCSI 43.27%
    PRS 27.52
  • lamp5 GABAergic cortical interneuron CL4023011
    CSI 10.94
    rCSI 18.37%
    PRS 28.58
  • adventitial cell CL0002503
    CSI 9.24
    rCSI 22.07%
    PRS 54.08
  • radial glial cell CL0000681
    CSI 8.1
    rCSI 11.26%
    PRS 43
  • ciliated columnar cell of tracheobronchial tree CL0002145
    CSI 7.64
    rCSI 17.41%
    PRS 42.16
  • L6b glutamatergic cortical neuron CL4023038
    CSI 7.63
    rCSI 23.85%
    PRS 29.73
  • plasmacytoid dendritic cell, human CL0001058
    CSI 7.57
    rCSI 5.28%
    PRS 45.17
  • lung macrophage CL1001603
    CSI 7.24
    rCSI 16.16%
    PRS 49.89
  • epithelial cell CL0000066
    CSI 7.2
    rCSI 11.06%
    PRS 45.74
  • astrocyte of the cerebral cortex CL0002605
    CSI 6.58
    rCSI 14.75%
    PRS 29.24
  • mature T cell CL0002419
    CSI 6.35
    rCSI 4.94%
    PRS 60.18
  • enteric smooth muscle cell CL0002504
    CSI 6.04
    rCSI 8.61%
    PRS 46.15
  • sst GABAergic cortical interneuron CL4023017
    CSI 5.96
    rCSI 7.68%
    PRS 29.49
  • GABAergic neuron CL0000617
    CSI 5.95
    rCSI 19.92%
    PRS 32.57
  • bronchus fibroblast of lung CL2000093
    CSI 5.81
    rCSI 4.72%
    PRS 44.26
  • myoepithelial cell CL0000185
    CSI 5.59
    rCSI 14.14%
    PRS 51.65
  • CD14-positive monocyte CL0001054
    CSI 5.35
    rCSI 6.66%
    PRS 54.84
  • club cell CL0000158
    CSI 4.94
    rCSI 7.24%
    PRS 43.17
  • neuroblast (sensu Vertebrata) CL0000031
    CSI 4.82
    rCSI 6.19%
    PRS 41.61
  • Kupffer cell CL0000091
    CSI 4.75
    rCSI 10.86%
    PRS 42.91
  • enterocyte CL0000584
    CSI 4.71
    rCSI 7.59%
    PRS 52.35
  • chondrocyte CL0000138
    CSI 4.55
    rCSI 7.24%
    PRS 36.95
  • retinal pigment epithelial cell CL0002586
    CSI 4.54
    rCSI 9.01%
    PRS 42.99
  • corticothalamic-projecting glutamatergic cortical neuron CL4023013
    CSI 4.44
    rCSI 26.17%
    PRS 29.95
  • cardiac neuron CL0010022
    CSI 4.43
    rCSI 14.17%
    PRS 40.54
  • CD1c-positive myeloid dendritic cell CL0002399
    CSI 4.3
    rCSI 5.19%
    PRS 51.07
  • Schwann cell CL0002573
    CSI 3.88
    rCSI 11.03%
    PRS 43.57
  • ionocyte CL0005006
    CSI 3.8
    rCSI 4.07%
    PRS 41.46
  • dendritic cell, human CL0001056
    CSI 3.7
    rCSI 5.68%
    PRS 50.29
  • near-projecting glutamatergic cortical neuron CL4023012
    CSI 3.6
    rCSI 13.6%
    PRS 29.54
  • intermediate monocyte CL0002393
    CSI 3.46
    rCSI 5.23%
    PRS 45.41
  • adipocyte CL0000136
    CSI 3.46
    rCSI 4.44%
    PRS 39.33
  • glioblast CL0000030
    CSI 3.43
    rCSI 5.47%
    PRS 37.65
  • periportal region hepatocyte CL0019026
    CSI 3.42
    rCSI 13.29%
    PRS 52.35
  • mesodermal cell CL0000222
    CSI 3.39
    rCSI 4.07%
    PRS 41.64
  • perivascular cell CL4033054
    CSI 3.25
    rCSI 4.44%
    PRS 48.23
  • podocyte CL0000653
    CSI 3.21
    rCSI 14.27%
    PRS 42.22
  • enteroendocrine cell CL0000164
    CSI 3.08
    rCSI 4.21%
    PRS 46.04
  • transit amplifying cell CL0009010
    CSI 3.07
    rCSI 4.7%
    PRS 59.73
  • melanocyte CL0000148
    CSI 3.05
    rCSI 2.26%
    PRS 37.46
  • mucosal invariant T cell CL0000940
    CSI 2.93
    rCSI 2.37%
    PRS 54.57
  • direct pathway medium spiny neuron CL4023026
    CSI 2.93
    rCSI 70.08%
    PRS 28.08
  • lung pericyte CL0009089
    CSI 2.9
    rCSI 7.65%
    PRS 50.88
  • indirect pathway medium spiny neuron CL4023029
    CSI 2.88
    rCSI 69.5%
    PRS 28.96
  • pulmonary ionocyte CL0017000
    CSI 2.78
    rCSI 3.39%
    PRS 51.05
  • IgA plasma cell CL0000987
    CSI 2.76
    rCSI 2.82%
    PRS 62.1
  • pulmonary alveolar type 1 cell CL0002062
    CSI 2.74
    rCSI 15.82%
    PRS 45.73
  • cardiac endothelial cell CL0010008
    CSI 2.72
    rCSI 10.95%
    PRS 42.11
  • renal beta-intercalated cell CL0002201
    CSI 2.71
    rCSI 6.46%
    PRS 45.79
  • fibroblast of cardiac tissue CL0002548
    CSI 2.7
    rCSI 12.95%
    PRS 42.01
  • erythroblast CL0000765
    CSI 2.65
    rCSI 7.02%
    PRS 56.84
  • interstitial cell of Cajal CL0002088
    CSI 2.61
    rCSI 3.32%
    PRS 48.64
  • choroid plexus epithelial cell CL0000706
    CSI 2.6
    rCSI 4.25%
    PRS 34.63
  • pvalb GABAergic cortical interneuron CL4023018
    CSI 2.59
    rCSI 3.22%
    PRS 27.14
  • cerebellar granule cell CL0001031
    CSI 2.58
    rCSI 3.8%
    PRS 39.78
  • Bergmann glial cell CL0000644
    CSI 2.55
    rCSI 3.49%
    PRS 40.18
  • renal alpha-intercalated cell CL0005011
    CSI 2.52
    rCSI 3.37%
    PRS 51.69
  • secretory cell CL0000151
    CSI 2.46
    rCSI 2.56%
    PRS 44.17
  • goblet cell CL0000160
    CSI 2.46
    rCSI 2.32%
    PRS 44.47
  • Mueller cell CL0000636
    CSI 2.44
    rCSI 5.57%
    PRS 37.33
  • inflammatory macrophage CL0000863
    CSI 2.39
    rCSI 4.08%
    PRS 69.45
  • kidney loop of Henle thin descending limb epithelial cell CL1001111
    CSI 2.38
    rCSI 3.38%
    PRS 40.6
  • nasal mucosa goblet cell CL0002480
    CSI 2.37
    rCSI 2.75%
    PRS 54.32
  • pro-B cell CL0000826
    CSI 2.37
    rCSI 1.96%
    PRS 44.43
  • fallopian tube secretory epithelial cell CL4030006
    CSI 2.35
    rCSI 2.26%
    PRS 44.03
  • cerebellar neuron CL1001611
    CSI 2.35
    rCSI 20.68%
    PRS 32.74
  • mature astrocyte CL0002627
    CSI 2.33
    rCSI 9.92%
    PRS 41.13
  • brush cell of tracheobronchial tree CL0002075
    CSI 2.32
    rCSI 6.89%
    PRS 55.2
  • mature B cell CL0000785
    CSI 2.32
    rCSI 2.02%
    PRS 52.63
  • fibroblast of lung CL0002553
    CSI 2.3
    rCSI 2.14%
    PRS 43.37
  • CD4-positive helper T cell CL0000492
    CSI 2.28
    rCSI 1.73%
    PRS 55.52
  • pulmonary capillary endothelial cell CL4028001
    CSI 2.22
    rCSI 4.23%
    PRS 60.24
  • neural progenitor cell CL0011020
    CSI 2.19
    rCSI 9.62%
    PRS 37.34
  • neuron CL0000540
    CSI 2.17
    rCSI 5.77%
    PRS 36.32
  • mesothelial cell CL0000077
    CSI 2.16
    rCSI 8.45%
    PRS 21.55
  • CD4-positive, alpha-beta memory T cell CL0000897
    CSI 2.16
    rCSI 1.55%
    PRS 56.23
  • BEST4+ enteroycte CL4030026
    CSI 2.16
    rCSI 2.68%
    PRS 46.14
  • central nervous system neuron CL2000029
    CSI 2.14
    rCSI 15.76%
    PRS 32.08
  • hepatic stellate cell CL0000632
    CSI 2.14
    rCSI 8%
    PRS 36.92
  • kidney connecting tubule epithelial cell CL1000768
    CSI 2.13
    rCSI 5.4%
    PRS 34.5
  • interneuron CL0000099
    CSI 2.12
    rCSI 4.26%
    PRS 33.88
  • blood vessel endothelial cell CL0000071
    CSI 2.1
    rCSI 4.35%
    PRS 41.49
  • neural crest cell CL0011012
    CSI 2.09
    rCSI 1.66%
    PRS 31.84
  • transit amplifying cell of colon CL0009011
    CSI 2.07
    rCSI 2.43%
    PRS 47.22
  • pancreatic D cell CL0000173
    CSI 2.07
    rCSI 2.03%
    PRS 45.7
  • ciliated cell CL0000064
    CSI 2.02
    rCSI 3.28%
    PRS 42.09
  • subcutaneous adipocyte CL0002521
    CSI 2.01
    rCSI 10.29%
    PRS 47.16
  • myeloid leukocyte CL0000766
    CSI 2
    rCSI 1.84%
    PRS 44.44
  • alpha-beta T cell CL0000789
    CSI 1.99
    rCSI 2.33%
    PRS 58.92
  • naive thymus-derived CD8-positive, alpha-beta T cell CL0000900
    CSI 1.98
    rCSI 1.39%
    PRS 66.04
  • lung neuroendocrine cell CL1000223
    CSI 1.97
    rCSI 2.91%
    PRS 48.33
  • stem cell CL0000034
    CSI 1.93
    rCSI 1.86%
    PRS 34.56
  • promyelocyte CL0000836
    CSI 1.92
    rCSI 2.77%
    PRS 53.49
  • contractile cell CL0000183
    CSI 1.91
    rCSI 5.63%
    PRS 42.45
  • sncg GABAergic cortical interneuron CL4023015
    CSI 1.88
    rCSI 3.02%
    PRS 30.64
  • neuroblast (sensu Nematoda and Protostomia) CL0000338
    CSI 1.87
    rCSI 2.16%
    PRS 38.08
  • extravillous trophoblast CL0008036
    CSI 1.85
    rCSI 2.29%
    PRS 39.51
  • alveolar adventitial fibroblast CL4028006
    CSI 1.84
    rCSI 2.91%
    PRS 44.42
  • enterocyte of epithelium of small intestine CL1000334
    CSI 0.3
    rCSI 3.9%
    PRS 69.2%
  • medium spiny neuron CL1001474
    CSI 0.3
    rCSI 2.7%
    PRS 31.6%
  • type EC enteroendocrine cell CL0000577
    CSI 0.4
    rCSI 1.4%
    PRS 56.4%
  • H2 horizontal cell CL0004218
    CSI 0.4
    rCSI 2.0%
    PRS 43.5%
  • tracheal goblet cell CL1000329
    CSI 0.5
    rCSI 1.0%
    PRS 63.2%
  • transit amplifying cell of small intestine CL0009012
    CSI 0.5
    rCSI 2.1%
    PRS 62.7%
  • pancreatic stellate cell CL0002410
    CSI 0.5
    rCSI 2.7%
    PRS 54.4%
  • OFF midget ganglion cell CL4033047
    CSI 0.5
    rCSI 10.3%
    PRS 37.8%
  • enterocyte of epithelium of large intestine CL0002071
    CSI 0.5
    rCSI 2.7%
    PRS 58.3%
  • corneal epithelial cell CL0000575
    CSI 0.5
    rCSI 1.6%
    PRS 60.7%
  • mammary gland epithelial cell CL0002327
    CSI 0.6
    rCSI 2.0%
    PRS 58.9%
  • amacrine cell CL0000561
    CSI 0.6
    rCSI 1.7%
    PRS 35.4%
  • tracheobronchial smooth muscle cell CL0019019
    CSI 0.7
    rCSI 1.2%
    PRS 52.0%
  • syncytiotrophoblast cell CL0000525
    CSI 0.7
    rCSI 2.0%
    PRS 61.3%
  • microcirculation associated smooth muscle cell CL0008035
    CSI 0.7
    rCSI 2.1%
    PRS 46.0%
  • ON midget ganglion cell CL4033046
    CSI 0.7
    rCSI 15.0%
    PRS 36.8%
  • retinal cone cell CL0000573
    CSI 0.8
    rCSI 1.2%
    PRS 34.7%
  • L5/6 near-projecting glutamatergic neuron CL4030067
    CSI 0.8
    rCSI 2.5%
    PRS 32.9%
  • glycinergic amacrine cell CL4030028
    CSI 0.8
    rCSI 2.0%
    PRS 43.5%
  • regular atrial cardiac myocyte CL0002129
    CSI 0.8
    rCSI 2.6%
    PRS 42.9%
  • mesangial cell CL0000650
    CSI 0.8
    rCSI 3.3%
    PRS 55.3%
  • colon macrophage CL0009038
    CSI 0.8
    rCSI 3.7%
    PRS 65.9%
  • lung secretory cell CL1000272
    CSI 0.8
    rCSI 2.0%
    PRS 41.6%
  • paneth cell of epithelium of small intestine CL1000343
    CSI 0.8
    rCSI 2.3%
    PRS 58.0%
  • mucus secreting cell CL0000319
    CSI 0.8
    rCSI 1.3%
    PRS 53.9%
  • keratocyte CL0002363
    CSI 0.8
    rCSI 2.0%
    PRS 53.6%
  • ON parasol ganglion cell CL4033052
    CSI 0.9
    rCSI 12.1%
    PRS 36.5%
  • retina horizontal cell CL0000745
    CSI 0.9
    rCSI 1.3%
    PRS 40.4%
  • retinal rod cell CL0000604
    CSI 0.9
    rCSI 1.5%
    PRS 42.0%
  • IgG plasma cell CL0000985
    CSI 0.9
    rCSI 1.1%
    PRS 62.8%
  • GABAergic amacrine cell CL4030027
    CSI 0.9
    rCSI 3.1%
    PRS 35.7%
  • L2/3 intratelencephalic projecting glutamatergic neuron CL4030059
    CSI 0.9
    rCSI 2.0%
    PRS 34.2%
  • retinal ganglion cell CL0000740
    CSI 1.0
    rCSI 2.1%
    PRS 32.5%
  • pancreatic ductal cell CL0002079
    CSI 1.0
    rCSI 1.9%
    PRS 45.4%
  • enteroendocrine cell of small intestine CL0009006
    CSI 1.0
    rCSI 2.2%
    PRS 58.0%
  • dopaminergic neuron CL0000700
    CSI 1.0
    rCSI 5.8%
    PRS 30.5%
  • pulmonary alveolar type 2 cell CL0002063
    CSI 1.0
    rCSI 1.6%
    PRS 53.5%
  • intestinal crypt stem cell of small intestine CL0009017
    CSI 1.0
    rCSI 2.8%
    PRS 52.3%
  • type B pancreatic cell CL0000169
    CSI 1.1
    rCSI 2.4%
    PRS 40.8%
  • parietal epithelial cell CL1000452
    CSI 1.1
    rCSI 2.9%
    PRS 36.8%
  • respiratory suprabasal cell CL4033048
    CSI 1.1
    rCSI 1.4%
    PRS 48.2%
  • endothelial cell of placenta CL0009092
    CSI 1.1
    rCSI 5.6%
    PRS 55.1%
  • rod bipolar cell CL0000751
    CSI 1.1
    rCSI 2.1%
    PRS 37.2%
  • differentiation-committed oligodendrocyte precursor CL4023059
    CSI 1.2
    rCSI 2.1%
    PRS 37.3%
  • alveolar macrophage CL0000583
    CSI 1.2
    rCSI 1.9%
    PRS 49.0%
  • small intestine goblet cell CL1000495
    CSI 1.2
    rCSI 2.6%
    PRS 53.5%
  • conjunctival epithelial cell CL1000432
    CSI 1.2
    rCSI 1.8%
    PRS 44.1%
  • stromal cell CL0000499
    CSI 1.2
    rCSI 3.4%
    PRS 44.0%
  • epicardial adipocyte CL1000309
    CSI 1.2
    rCSI 3.9%
    PRS 45.7%
  • hepatocyte CL0000182
    CSI 1.2
    rCSI 2.2%
    PRS 41.9%
  • regular ventricular cardiac myocyte CL0002131
    CSI 1.2
    rCSI 7.5%
    PRS 36.4%
  • cerebral cortex endothelial cell CL1001602
    CSI 1.2
    rCSI 2.1%
    PRS 34.7%
  • intestinal crypt stem cell of colon CL0009043
    CSI 1.2
    rCSI 9.3%
    PRS 63.7%
  • epithelial cell of proximal tubule CL0002306
    CSI 1.2
    rCSI 3.0%
    PRS 39.8%
  • renal interstitial pericyte CL1001318
    CSI 1.2
    rCSI 3.4%
    PRS 40.4%
  • basal cell CL0000646
    CSI 1.3
    rCSI 1.7%
    PRS 45.0%
  • retinal blood vessel endothelial cell CL0002585
    CSI 1.3
    rCSI 2.0%
    PRS 47.2%
  • glutamatergic neuron CL0000679
    CSI 1.3
    rCSI 2.6%
    PRS 38.4%
  • effector memory CD8-positive, alpha-beta T cell CL0000913
    CSI 1.3
    rCSI 1.2%
    PRS 58.4%
  • kidney loop of Henle thin ascending limb epithelial cell CL1001107
    CSI 1.3
    rCSI 3.3%
    PRS 39.8%
  • Hofbauer cell CL3000001
    CSI 1.3
    rCSI 2.4%
    PRS 53.6%
  • basal-myoepithelial cell of mammary gland CL0002324
    CSI 1.3
    rCSI 2.4%
    PRS 66.8%
  • duct epithelial cell CL0000068
    CSI 1.3
    rCSI 1.9%
    PRS 46.4%
  • centrilobular region hepatocyte CL0019029
    CSI 1.4
    rCSI 3.5%
    PRS 51.8%
  • chandelier pvalb GABAergic cortical interneuron CL4023036
    CSI 1.4
    rCSI 4.3%
    PRS 32.0%
  • elicited macrophage CL0000861
    CSI 1.4
    rCSI 1.3%
    PRS 50.7%
  • squamous epithelial cell CL0000076
    CSI 1.4
    rCSI 3.3%
    PRS 49.3%
  • VIP GABAergic cortical interneuron CL4023016
    CSI 1.4
    rCSI 1.7%
    PRS 28.6%
  • common myeloid progenitor CL0000049
    CSI 1.4
    rCSI 1.1%
    PRS 44.0%
  • multi-ciliated epithelial cell CL0005012
    CSI 1.4
    rCSI 1.4%
    PRS 38.0%
  • respiratory basal cell CL0002633
    CSI 1.4
    rCSI 1.5%
    PRS 49.2%
  • kidney distal convoluted tubule epithelial cell CL1000849
    CSI 1.4
    rCSI 15.2%
    PRS 45.0%
  • forebrain radial glial cell CL0013000
    CSI 1.4
    rCSI 4.6%
    PRS 51.1%
  • caudal ganglionic eminence derived cortical interneuron CL4023064
    CSI 1.5
    rCSI 2.6%
    PRS 27.6%
  • kidney interstitial alternatively activated macrophage CL1000695
    CSI 1.5
    rCSI 3.8%
    PRS 42.6%
  • acinar cell CL0000622
    CSI 1.5
    rCSI 2.2%
    PRS 54.5%
  • epithelial cell of lung CL0000082
    CSI 1.5
    rCSI 1.2%
    PRS 42.0%
  • cardiac muscle cell CL0000746
    CSI 1.5
    rCSI 2.1%
    PRS 35.3%
  • mononuclear phagocyte CL0000113
    CSI 1.5
    rCSI 3.3%
    PRS 47.5%
  • colon epithelial cell CL0011108
    CSI 1.5
    rCSI 1.6%
    PRS 40.9%
  • L4 intratelencephalic projecting glutamatergic neuron CL4030063
    CSI 1.5
    rCSI 3.6%
    PRS 33.5%
  • granulocyte monocyte progenitor cell CL0000557
    CSI 1.5
    rCSI 1.3%
    PRS 47.1%
  • vascular associated smooth muscle cell CL0000359
    CSI 1.5
    rCSI 4.9%
    PRS 46.4%
  • intestinal tuft cell CL0019032
    CSI 1.5
    rCSI 2.3%
    PRS 48.1%
  • brush cell CL0002204
    CSI 1.5
    rCSI 3.0%
    PRS 69.3%
  • renal principal cell CL0005009
    CSI 1.5
    rCSI 4.0%
    PRS 48.8%
  • retinal bipolar neuron CL0000748
    CSI 1.5
    rCSI 2.9%
    PRS 33.8%
  • foveolar cell of stomach CL0002179
    CSI 1.5
    rCSI 3.3%
    PRS 58.5%
  • intrahepatic cholangiocyte CL0002538
    CSI 1.5
    rCSI 3.7%
    PRS 59.3%
  • megakaryocyte-erythroid progenitor cell CL0000050
    CSI 1.6
    rCSI 1.4%
    PRS 40.2%
  • colonocyte CL1000347
    CSI 1.6
    rCSI 2.3%
    PRS 50.8%
  • glial cell CL0000125
    CSI 1.6
    rCSI 6.1%
    PRS 37.4%
  • lymphoid lineage restricted progenitor cell CL0000838
    CSI 1.6
    rCSI 6.3%
    PRS 63.7%
  • intestine goblet cell CL0019031
    CSI 1.6
    rCSI 1.4%
    PRS 42.6%
  • paneth cell CL0000510
    CSI 1.6
    rCSI 2.4%
    PRS 60.8%
  • macroglial cell CL0000126
    CSI 1.6
    rCSI 4.2%
    PRS 46.5%
  • lung ciliated cell CL1000271
    CSI 1.7
    rCSI 1.9%
    PRS 34.1%
  • hematopoietic multipotent progenitor cell CL0000837
    CSI 1.7
    rCSI 4.0%
    PRS 61.2%
  • myeloid dendritic cell CL0000782
    CSI 1.7
    rCSI 2.4%
    PRS 59.6%
  • ciliated epithelial cell CL0000067
    CSI 1.7
    rCSI 1.5%
    PRS 33.2%

Cell ID: Standard Cell Ontology term used for mapping and comparing cells across experiments. Ensures consistency in analyzing cellular functions across tissues.
Fold Change: Represents the ratio of the current Cell Significance Index to the Cell Significance Index Threshold, indicating how much the gene expression has changed compared to a baseline.
Cell Significance Index: Reflects how strongly a gene is expressed in this specific cell.

Cell ID: Standard Cell Ontology term used for mapping and comparing cells across experiments. Ensures consistency in analyzing cellular functions across tissues.
Fold Change: Represents the ratio of the current Cell Significance Index to the Cell Significance Index Threshold, indicating how much the gene expression has changed compared to a baseline.
Cell Significance Index: Reflects how strongly a gene is expressed in this cell type. Calculated using techniques like effect size estimation and bootstrapping for reliability.

Cell ID: Standard Cell Ontology term used for mapping and comparing cells across experiments. Ensures consistency in analyzing cellular functions across tissues.
Fold Change: Represents the ratio of the current Cell Significance Index to the Cell Significance Index Threshold, indicating how much the gene expression has changed compared to a baseline.
Cell Significance Index: Reflects how strongly a gene is expressed in this cell type. Calculated using techniques like effect size estimation and bootstrapping for reliability.
Network Configuration

Explore relationships of the current gene. Select an Interaction Source: 'ONTOLOGY' for shared pathways (GO/Reactome) or 'STRING' for protein-protein interactions. Further refine by selecting context genes and comparing Cell Significance Index (CSI) scores between baseline and target cell types and their specific contexts.

Comma-separated if multiple.
Comma-separated if multiple.

Legend:
  • Query Gene
  • Node Color (Target Cell CSI, relative to current network):
    • Very High
    • High
    • Medium
    • Low
    • Very Low
    • CSI N/A
  • Node Size: Proportional to Target Cell CSI magnitude
  • STRING PPI Edge
  • Shared Pathway Edge (ONTOLOGY)

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Other Information

This section provides additional information about the gene, including a description generated by an AI language model and details about associated proteins.

## Summary [PPFIA1](/details-gene/8500) (PTPRF Interacting Protein Alpha 1), which encodes the protein Liprin-alpha-1, functions as a crucial scaffolding protein. It is best known for its interaction with the LAR family of receptor-like protein-tyrosine phosphatases (PTPs) [Link](https://doi.org/10.1074/jbc.273.25.15611). The expression profile of [PPFIA1](/details-gene/8500) indicates a primary and highly significant role within the central nervous system, particularly in various neuronal subtypes such as [L2/3-6 intratelencephalic projecting glutamatergic neurons](/details-cell/CL4023040) and [L5 extratelencephalic projecting glutamatergic cortical neurons](/details-cell/CL4023041). Functionally, it is integral to the organization of synapses ([GO:0050808](https://www.ebi.ac.uk/QuickGO/term/GO:0050808)) and the regulation of neurotransmitter release cycles ([R-HSA-112310](https://reactome.org/content/detail/R-HSA-112310)). Beyond the nervous system, [PPFIA1](/details-gene/8500) also demonstrates significant expression in cell types such as [granulocytes](/details-cell/CL0000094), suggesting broader roles in processes like cell adhesion and cytoskeletal organization. ## Cellular Roles and Expression Landscape The **Overall** expression data reveals that [PPFIA1](/details-gene/8500) is a gene with a predominant, defining role in the nervous system. It exhibits its highest significance scores in a diverse array of both excitatory and inhibitory neurons, including [L2/3-6 intratelencephalic projecting glutamatergic neurons](/details-cell/CL4023040) (CSI: 15.00), [L5 extratelencephalic projecting glutamatergic cortical neurons](/details-cell/CL4023041) (CSI: 12.03), and [lamp5 GABAergic cortical interneurons](/details-cell/CL4023011) (CSI: 10.94). This strong and specific expression pattern is consistent with its established function in organizing the presynaptic active zone and regulating synaptic transmission. Interestingly, [PPFIA1](/details-gene/8500) also shows notable significance in non-neuronal cell types, pointing to multifaceted biological functions. Its high CSI score in [granulocytes](/details-cell/CL0000094) (CSI: 12.94), coupled with its known co-localization at focal adhesions [Link](https://doi.org/10.1002/j.1460-2075.1995.tb07282.x), suggests a potential role in immune cell adhesion and migration. Furthermore, its expression in cells like [adventitial cells](/details-cell/CL0002503) and [enteric smooth muscle cells](/details-cell/CL0002504) is consistent with its involvement in cell-matrix adhesion ([GO:0007160](https://www.ebi.ac.uk/QuickGO/term/GO:0007160)) and cytoskeletal organization. This widespread, albeit contextually lower, expression suggests that [PPFIA1](/details-gene/8500) may act as a general-purpose scaffolding protein that is adapted for highly specialized functions in the neuronal context. ## Pathways and Molecular Function The molecular functions of [PPFIA1](/details-gene/8500) are centered on its role as a scaffold protein that mediates protein-protein interactions, as annotated by its primary molecular function of [protein binding](/details-gene/GO:0005515). This role is most extensively characterized in the context of the [Neuronal system](/details-gene/R-HSA-112316), where it is a key component of pathways governing [Transmission across chemical synapses](/details-gene/R-HSA-112315) and numerous specific neurotransmitter release cycles, including those for glutamate ([R-HSA-210500](https://reactome.org/content/detail/R-HSA-210500)) and dopamine ([R-HSA-212676](https://reactome.org/content/detail/R-HSA-212676)). Its localization to the [presynaptic active zone](/details-gene/GO:0048786) and its role in [synapse organization](/details-gene/GO:0050808) are fundamental to these processes. Beyond synaptic function, [PPFIA1](/details-gene/8500) plays a significant role in regulating the interface between the cell and the extracellular matrix. Its involvement in [Cell-matrix adhesion](/details-gene/GO:0007160) and its physical localization to [focal adhesions](/details-gene/GO:0005925) are well-documented [Link](https://doi.org/10.1002/j.1460-2075.1995.tb07282.x). This function is likely mediated through its interaction with [Receptor-type tyrosine-protein phosphatases](/details-gene/R-HSA-388844) and its influence on cytoskeletal dynamics, such as [cortical microtubule organization](/details-gene/GO:0043622) and the [negative regulation of stress fiber assembly](/details-gene/GO:0051497). This positions Liprin-alpha-1 as a critical integrator of extracellular signals and intracellular cytoskeletal responses in a variety of cell types. ## Research Directions The dual role of [PPFIA1](/details-gene/8500) in both neuronal function and general cell adhesion presents several avenues for future investigation. While its role in the synapse is relatively well-studied, its function in immune cells like [granulocytes](/details-cell/CL0000094) is less understood and warrants further exploration. Based on the available data, several testable hypotheses can be proposed: 1. Given its high significance in [granulocytes](/details-cell/CL0000094) and its established role in organizing focal adhesions, Liprin-alpha-1 may be essential for neutrophil migration and extravasation during an inflammatory response by orchestrating the cytoskeletal rearrangements necessary for diapedesis. 2. Based on its localization to the presynaptic active zone and its interaction with proteins involved in microtubule dynamics [Link](https://doi.org/10.1016/j.devcel.2013.09.010), the phosphorylation state of [PPFIA1](/details-gene/8500) could act as a molecular switch that modulates synaptic vesicle availability and release probability, thereby contributing to synaptic plasticity. To test the first hypothesis regarding the role of [PPFIA1](/details-gene/8500) in neutrophil migration, a targeted experimental approach could be employed. A conditional knockout mouse model could be generated to specifically delete *Ppfiia1* in the myeloid lineage (e.g., using a Lyz2-Cre driver). Neutrophils isolated from these knockout mice and their wild-type littermates could then be subjected to a battery of functional assays, including in vitro transwell migration assays and live-cell imaging in microfluidic chemotaxis chambers. These experiments would allow for precise quantification of migratory capacity, speed, and polarity, while immunofluorescence microscopy could be used to assess defects in focal adhesion formation and cytoskeletal organization. Therapeutically, [PPFIA1](/details-gene/8500) presents a complex profile. Its fundamental role in the central nervous system makes it a challenging target for systemic inhibition due to the high risk of severe neurological side effects. However, its involvement in cell adhesion and migration could be relevant in pathologies like cancer metastasis. If [PPFIA1](/details-gene/8500) is found to be overexpressed in specific tumors and contributes to their invasive potential, targeted inhibition of its specific protein-protein interactions, rather than the entire protein, might represent a viable therapeutic strategy.

Genular Protein ID: 1075004719

Symbol: LIPA1_HUMAN

Name: Liprin-alpha-1

UniProtKB Accession Codes:

Database IDs:

Citations:

PubMed ID: 7796809

Title: The LAR transmembrane protein tyrosine phosphatase and a coiled-coil LAR-interacting protein co-localize at focal adhesions.

PubMed ID: 7796809

DOI: 10.1002/j.1460-2075.1995.tb07282.x

PubMed ID: 16554811

Title: Human chromosome 11 DNA sequence and analysis including novel gene identification.

PubMed ID: 16554811

DOI: 10.1038/nature04632

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: 8524829

Title: The LAR/PTP delta/PTP sigma subfamily of transmembrane protein-tyrosine-phosphatases: multiple human LAR, PTP delta, and PTP sigma isoforms are expressed in a tissue-specific manner and associate with the LAR-interacting protein LIP.1.

PubMed ID: 8524829

DOI: 10.1073/pnas.92.25.11686

PubMed ID: 9624153

Title: Liprins, a family of LAR transmembrane protein-tyrosine phosphatase-interacting proteins.

PubMed ID: 9624153

DOI: 10.1074/jbc.273.25.15611

PubMed ID: 17081983

Title: Global, in vivo, and site-specific phosphorylation dynamics in signaling networks.

PubMed ID: 17081983

DOI: 10.1016/j.cell.2006.09.026

PubMed ID: 17525332

Title: ATM and ATR substrate analysis reveals extensive protein networks responsive to DNA damage.

PubMed ID: 17525332

DOI: 10.1126/science.1140321

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: 18669648

Title: A quantitative atlas of mitotic phosphorylation.

PubMed ID: 18669648

DOI: 10.1073/pnas.0805139105

PubMed ID: 19413330

Title: Lys-N and trypsin cover complementary parts of the phosphoproteome in a refined SCX-based approach.

PubMed ID: 19413330

DOI: 10.1021/ac9004309

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: 21269460

Title: Initial characterization of the human central proteome.

PubMed ID: 21269460

DOI: 10.1186/1752-0509-5-17

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: 24120883

Title: CFEOM1-associated kinesin KIF21A is a cortical microtubule growth inhibitor.

PubMed ID: 24120883

DOI: 10.1016/j.devcel.2013.09.010

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: 27410476

Title: Talin-KANK1 interaction controls the recruitment of cortical microtubule stabilizing complexes to focal adhesions.

PubMed ID: 27410476

DOI: 10.7554/elife.18124

Sequence Information:

  • Length: 1202
  • Mass: 135779
  • Checksum: C8CF7C20B298BFB1
  • Sequence:
  • MMCEVMPTIS EAEGPPGGGG GHGSGSPSQP DADSHFEQLM VSMLEERDRL LDTLRETQET 
    LALTQGKLHE VGHERDSLQR QLNTALPQEF AALTKELNVC REQLLEREEE IAELKAERNN 
    TRLLLEHLEC LVSRHERSLR MTVVKRQAQS PAGVSSEVEV LKALKSLFEH HKALDEKVRE 
    RLRVALERCS LLEEELGATH KELMILKEQN NQKKTLTDGV LDINHEQENT PSTSGKRSSD 
    GSLSHEEDLA KVIELQEIIS KQSREQSQMK ERLASLSSHV TELEEDLDTA RKDLIKSEEM 
    NTKLQRDVRE AMAQKEDMEE RITTLEKRYL AAQREATSVH DLNDKLENEI ANKDSMHRQT 
    EDKNRQLQER LELAEQKLQQ TLRKAETLPE VEAELAQRVA ALSKAEERHG NIEERLRQME 
    AQLEEKNQEL QRARQREKMN EEHNKRLSDT VDKLLSESNE RLQLHLKERM AALEDKNSLL 
    REVESAKKQL EETQHDKDQL VLNIEALRAE LDHMRLRGAS LHHGRPHLGS VPDFRFPMAD 
    GHTDSYSTSA VLRRPQKGRL AALRDEPSKV QTLNEQDWER AQQASVLANV AQAFESDADV 
    SDGEDDRDTL LSSVDLLSPS GQADAHTLAM MLQEQLDAIN KEIRLIQEEK ENTEQRAEEI 
    ESRVGSGSLD NLGRFRSMSS IPPYPASSLA SSSPPGSGRS TPRRIPHSPA REVDRLGVMT 
    LLPPSREEVR DDKTTIKCET SPPSSPRALR LDRLHKGALH TVSHEDIRDI RNSTGSQDGP 
    VSNPSSSNSS QDSLHKAPKK KGIKSSIGRL FGKKEKGRPG QTGKEALGQA GVSETDNSSQ 
    DALGLSKLGG QAEKNRKLQK KHELLEEARR QGLPFAQWDG PTVVVWLELW VGMPAWYVAA 
    CRANVKSGAI MSALSDTEIQ REIGISNPLH RLKLRLAIQE IMSLTSPSAP PTSRTTLAYG 
    DMNHEWIGNE WLPSLGLPQY RSYFMECLVD ARMLDHLTKK DLRGQLKMVD SFHRNSFQCG 
    IMCLRRLNYD RKELERKREE SQSEIKDVLV WSNDRVIRWI LSIGLKEYAN NLIESGVHGA 
    LLALDETFDF SALALLLQIP TQNTQARAVL EREFNNLLVM GTDRRFDEDD DKSFRRAPSW 
    RKKFRPKDIR GLAAGSAETL PANFRVTSSM SSPSMQPKKM QMDGNVSGTQ RLDSATVRTY 
    SC

Genular Protein ID: 2676400756

Symbol: B3KVS8_HUMAN

Name: N/A

UniProtKB Accession Codes:

Database IDs:

Citations:

PubMed ID: 14702039

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

PubMed ID: 14702039

DOI: 10.1038/ng1285

Sequence Information:

  • Length: 241
  • Mass: 27886
  • Checksum: B189E9B11A2B9BAC
  • Sequence:
  • MNHEWIGNEW LPSLGLPQYR SYFMECLVDA RMLDHLTKKD LRGQLKMVDS FHRNSFQCGI 
    MCLRRLNYDR KELERKREES QSEIKDVLVW SNDRVIRWIL SIGLKEYANN LIESGVHGAL 
    LALDETFDFS ALALLLQIPT QNTQARAVLE REFNNLLVMG TDRRFDEDDD KSFRRAPSWR 
    KKFRPKDIRG LAAGSAETLP ANFRVTSSMS SPSMQPKKMQ MDGNVSGTQR LDSATVRTYS 
    C