Details for: SNX4

Gene ID: 8723

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: SNX4

Ensembl ID: ENSG00000114520

Description: sorting nexin 4

Cell Significance Landscape

Associated with

Significant Cells

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

  • myeloid dendritic cell CL0000782
    CSI 12.76
    rCSI 18.48%
    PRS 69.5
  • L5 extratelencephalic projecting glutamatergic cortical neuron CL4023041
    CSI 11.41
    rCSI 41.06%
    PRS 34.7
  • CD4-positive, CD25-positive, alpha-beta regulatory T cell CL0000792
    CSI 10.39
    rCSI 10.2%
    PRS 69.25
  • periportal region hepatocyte CL0019026
    CSI 9.74
    rCSI 37.86%
    PRS 60.28
  • GABAergic neuron CL0000617
    CSI 8.43
    rCSI 28.24%
    PRS 39.63
  • erythrocyte CL0000232
    CSI 8.4
    rCSI 19.07%
    PRS 58.36
  • enteroendocrine cell CL0000164
    CSI 7.39
    rCSI 10.09%
    PRS 55.57
  • glutamatergic neuron CL0000679
    CSI 7.38
    rCSI 15.17%
    PRS 45.15
  • pulmonary artery endothelial cell CL1001568
    CSI 6.96
    rCSI 9.47%
    PRS 65.59
  • mesodermal cell CL0000222
    CSI 6.58
    rCSI 7.89%
    PRS 51.35
  • fallopian tube secretory epithelial cell CL4030006
    CSI 6.39
    rCSI 6.15%
    PRS 53.62
  • L2/3-6 intratelencephalic projecting glutamatergic neuron CL4023040
    CSI 6.07
    rCSI 14.75%
    PRS 34.83
  • ciliated cell CL0000064
    CSI 6.06
    rCSI 9.81%
    PRS 50.74
  • epithelial cell of lung CL0000082
    CSI 5.92
    rCSI 4.91%
    PRS 52.08
  • retinal cone cell CL0000573
    CSI 5.6
    rCSI 9.01%
    PRS 43.31
  • extravillous trophoblast CL0008036
    CSI 5.43
    rCSI 6.72%
    PRS 49.11
  • cardiac endothelial cell CL0010008
    CSI 5.41
    rCSI 21.83%
    PRS 51.55
  • L4 intratelencephalic projecting glutamatergic neuron CL4030063
    CSI 5.24
    rCSI 12.52%
    PRS 41.31
  • mucus secreting cell CL0000319
    CSI 5.03
    rCSI 7.99%
    PRS 64.33
  • retinal rod cell CL0000604
    CSI 5
    rCSI 8.81%
    PRS 50.68
  • plasmacytoid dendritic cell, human CL0001058
    CSI 4.61
    rCSI 3.22%
    PRS 55.79
  • L6b glutamatergic cortical neuron CL4023038
    CSI 4.3
    rCSI 13.42%
    PRS 37.45
  • Bergmann glial cell CL0000644
    CSI 4.26
    rCSI 5.83%
    PRS 47.87
  • corticothalamic-projecting glutamatergic cortical neuron CL4023013
    CSI 4.14
    rCSI 24.36%
    PRS 37.48
  • squamous epithelial cell CL0000076
    CSI 3.81
    rCSI 9.04%
    PRS 58.04
  • interstitial cell of Cajal CL0002088
    CSI 3.8
    rCSI 4.84%
    PRS 59.5
  • lung pericyte CL0009089
    CSI 3.67
    rCSI 9.68%
    PRS 61.59
  • brush cell of tracheobronchial tree CL0002075
    CSI 3.47
    rCSI 10.31%
    PRS 63.64
  • ciliated epithelial cell CL0000067
    CSI 3.27
    rCSI 2.87%
    PRS 41.66
  • luminal epithelial cell of mammary gland CL0002326
    CSI 3.26
    rCSI 5.93%
    PRS 69.39
  • pancreatic A cell CL0000171
    CSI 3.26
    rCSI 3.42%
    PRS 56.49
  • neural crest cell CL0011012
    CSI 3.22
    rCSI 2.54%
    PRS 40.38
  • near-projecting glutamatergic cortical neuron CL4023012
    CSI 3.19
    rCSI 12.04%
    PRS 36.84
  • type B pancreatic cell CL0000169
    CSI 3.15
    rCSI 6.97%
    PRS 50.9
  • pulmonary alveolar type 1 cell CL0002062
    CSI 2.9
    rCSI 16.71%
    PRS 53.49
  • amacrine cell CL0000561
    CSI 2.87
    rCSI 8.3%
    PRS 43.58
  • effector memory CD8-positive, alpha-beta T cell CL0000913
    CSI 2.84
    rCSI 2.58%
    PRS 67.68
  • enterocyte CL0000584
    CSI 2.84
    rCSI 4.57%
    PRS 59.17
  • caudal ganglionic eminence derived cortical interneuron CL4023064
    CSI 2.73
    rCSI 4.82%
    PRS 35.07
  • L2/3 intratelencephalic projecting glutamatergic neuron CL4030059
    CSI 2.72
    rCSI 5.91%
    PRS 42.23
  • hematopoietic precursor cell CL0008001
    CSI 2.72
    rCSI 2.79%
    PRS 71.19
  • renal alpha-intercalated cell CL0005011
    CSI 2.71
    rCSI 3.62%
    PRS 62.04
  • pvalb GABAergic cortical interneuron CL4023018
    CSI 2.68
    rCSI 3.33%
    PRS 34.31
  • epithelial cell of lower respiratory tract CL0002632
    CSI 2.66
    rCSI 2.07%
    PRS 54.22
  • choroid plexus epithelial cell CL0000706
    CSI 2.62
    rCSI 4.29%
    PRS 43
  • melanocyte CL0000148
    CSI 2.61
    rCSI 1.93%
    PRS 45.96
  • secretory cell CL0000151
    CSI 2.55
    rCSI 2.66%
    PRS 53.56
  • respiratory suprabasal cell CL4033048
    CSI 2.5
    rCSI 3.21%
    PRS 58.08
  • subcutaneous adipocyte CL0002521
    CSI 2.42
    rCSI 12.42%
    PRS 57.22
  • inhibitory interneuron CL0000498
    CSI 2.41
    rCSI 5.57%
    PRS 43.31
  • macroglial cell CL0000126
    CSI 2.41
    rCSI 6.18%
    PRS 53.89
  • glioblast CL0000030
    CSI 2.4
    rCSI 3.82%
    PRS 46.49
  • progenitor cell CL0011026
    CSI 2.37
    rCSI 5.04%
    PRS 54.74
  • chondrocyte CL0000138
    CSI 2.34
    rCSI 3.72%
    PRS 45.7
  • cardiac neuron CL0010022
    CSI 2.33
    rCSI 7.46%
    PRS 50.19
  • goblet cell CL0000160
    CSI 2.3
    rCSI 2.17%
    PRS 53.42
  • adipocyte CL0000136
    CSI 2.29
    rCSI 2.95%
    PRS 47.06
  • cerebral cortex endothelial cell CL1001602
    CSI 2.28
    rCSI 3.94%
    PRS 43.4
  • cerebral cortex GABAergic interneuron CL0010011
    CSI 2.27
    rCSI 6.7%
    PRS 57.05
  • common myeloid progenitor CL0000049
    CSI 2.26
    rCSI 1.83%
    PRS 54.46
  • interneuron CL0000099
    CSI 2.25
    rCSI 4.53%
    PRS 42.53
  • CD14-positive monocyte CL0001054
    CSI 2.23
    rCSI 2.78%
    PRS 64.29
  • colonocyte CL1000347
    CSI 2.23
    rCSI 3.19%
    PRS 58.78
  • central memory CD8-positive, alpha-beta T cell CL0000907
    CSI 2.22
    rCSI 1.5%
    PRS 65.41
  • Mueller cell CL0000636
    CSI 2.19
    rCSI 5%
    PRS 45.6
  • retinal bipolar neuron CL0000748
    CSI 2.19
    rCSI 4.1%
    PRS 42.11
  • lung secretory cell CL1000272
    CSI 2.15
    rCSI 5.32%
    PRS 51.17
  • plasmablast CL0000980
    CSI 2.13
    rCSI 1.68%
    PRS 59.94
  • kidney interstitial alternatively activated macrophage CL1000695
    CSI 2.11
    rCSI 5.51%
    PRS 52.42
  • direct pathway medium spiny neuron CL4023026
    CSI 2.1
    rCSI 50.18%
    PRS 35.42
  • CD14-low, CD16-positive monocyte CL0002396
    CSI 2.09
    rCSI 1.61%
    PRS 52.76
  • inflammatory macrophage CL0000863
    CSI 2.07
    rCSI 3.53%
    PRS 78.37
  • indirect pathway medium spiny neuron CL4023029
    CSI 2.05
    rCSI 49.41%
    PRS 36.39
  • lung neuroendocrine cell CL1000223
    CSI 2.04
    rCSI 3.02%
    PRS 58.6
  • perivascular cell CL4033054
    CSI 2
    rCSI 2.74%
    PRS 58.7
  • Schwann cell CL0002573
    CSI 2
    rCSI 5.67%
    PRS 51.73
  • retinal ganglion cell CL0000740
    CSI 1.98
    rCSI 4.37%
    PRS 40.32
  • Kupffer cell CL0000091
    CSI 1.97
    rCSI 4.5%
    PRS 52.64
  • common dendritic progenitor CL0001029
    CSI 1.96
    rCSI 2.46%
    PRS 63.6
  • retinal pigment epithelial cell CL0002586
    CSI 1.92
    rCSI 3.82%
    PRS 51.31
  • radial glial cell CL0000681
    CSI 1.86
    rCSI 2.59%
    PRS 52.48
  • lung macrophage CL1001603
    CSI 1.84
    rCSI 4.1%
    PRS 60.55
  • pancreatic D cell CL0000173
    CSI 1.81
    rCSI 1.78%
    PRS 55.78
  • kidney loop of Henle thin descending limb epithelial cell CL1001111
    CSI 1.79
    rCSI 2.54%
    PRS 49.6
  • intestinal epithelial cell CL0002563
    CSI 1.77
    rCSI 1.86%
    PRS 52.02
  • neuroblast (sensu Vertebrata) CL0000031
    CSI 1.75
    rCSI 2.25%
    PRS 50.98
  • stem cell CL0000034
    CSI 1.75
    rCSI 1.69%
    PRS 43.79
  • fibroblast of lung CL0002553
    CSI 1.74
    rCSI 1.62%
    PRS 52.93
  • renal beta-intercalated cell CL0002201
    CSI 1.74
    rCSI 4.15%
    PRS 54.52
  • elicited macrophage CL0000861
    CSI 1.74
    rCSI 1.59%
    PRS 61.67
  • blood vessel endothelial cell CL0000071
    CSI 1.7
    rCSI 3.53%
    PRS 50.47
  • hepatic stellate cell CL0000632
    CSI 1.69
    rCSI 6.32%
    PRS 45.49
  • lymphoid lineage restricted progenitor cell CL0000838
    CSI 1.68
    rCSI 6.56%
    PRS 73.87
  • alveolar type 1 fibroblast cell CL4028004
    CSI 1.66
    rCSI 1.82%
    PRS 56.89
  • megakaryocyte-erythroid progenitor cell CL0000050
    CSI 1.66
    rCSI 1.5%
    PRS 50.07
  • myoepithelial cell CL0000185
    CSI 1.65
    rCSI 4.18%
    PRS 61.68
  • respiratory hillock cell CL4030023
    CSI 1.64
    rCSI 2.92%
    PRS 67.96
  • ionocyte CL0005006
    CSI 1.64
    rCSI 1.75%
    PRS 51.68
  • multi-ciliated epithelial cell CL0005012
    CSI 1.63
    rCSI 1.63%
    PRS 46.9
  • endothelial cell of pericentral hepatic sinusoid CL0019022
    CSI 1.63
    rCSI 5.03%
    PRS 63.47
  • acinar cell of salivary gland CL0002623
    CSI 0.1
    rCSI 3.2%
    PRS 74.7%
  • Cajal-Retzius cell CL0000695
    CSI 0.3
    rCSI 2.6%
    PRS 67.2%
  • erythroblast CL0000765
    CSI 0.4
    rCSI 1.0%
    PRS 66.1%
  • regular ventricular cardiac myocyte CL0002131
    CSI 0.4
    rCSI 2.5%
    PRS 45.2%
  • central nervous system neuron CL2000029
    CSI 0.4
    rCSI 3.0%
    PRS 40.4%
  • mesenchymal cell CL0008019
    CSI 0.4
    rCSI 1.1%
    PRS 48.3%
  • erythroid progenitor cell CL0000038
    CSI 0.5
    rCSI 2.7%
    PRS 63.7%
  • intestinal crypt stem cell of colon CL0009043
    CSI 0.5
    rCSI 3.7%
    PRS 71.2%
  • diffuse bipolar 3a cell CL4033029
    CSI 0.5
    rCSI 3.5%
    PRS 49.8%
  • chandelier pvalb GABAergic cortical interneuron CL4023036
    CSI 0.5
    rCSI 1.7%
    PRS 39.9%
  • Hofbauer cell CL3000001
    CSI 0.6
    rCSI 1.1%
    PRS 63.7%
  • GABAergic amacrine cell CL4030027
    CSI 0.6
    rCSI 2.0%
    PRS 43.1%
  • dopaminergic neuron CL0000700
    CSI 0.6
    rCSI 3.6%
    PRS 38.8%
  • L5/6 near-projecting glutamatergic neuron CL4030067
    CSI 0.7
    rCSI 2.2%
    PRS 41.1%
  • forebrain radial glial cell CL0013000
    CSI 0.7
    rCSI 2.2%
    PRS 59.5%
  • pancreatic epsilon cell CL0005019
    CSI 0.8
    rCSI 3.7%
    PRS 73.6%
  • small intestine goblet cell CL1000495
    CSI 0.8
    rCSI 1.7%
    PRS 62.1%
  • mesangial cell CL0000650
    CSI 0.8
    rCSI 3.3%
    PRS 64.8%
  • intermediate monocyte CL0002393
    CSI 0.8
    rCSI 1.2%
    PRS 56.3%
  • CD1c-positive myeloid dendritic cell CL0002399
    CSI 0.8
    rCSI 1.0%
    PRS 61.6%
  • kidney connecting tubule epithelial cell CL1000768
    CSI 0.9
    rCSI 2.2%
    PRS 42.9%
  • intestinal crypt stem cell of small intestine CL0009017
    CSI 0.9
    rCSI 2.4%
    PRS 61.3%
  • brush cell CL0002204
    CSI 0.9
    rCSI 1.9%
    PRS 74.2%
  • keratocyte CL0002363
    CSI 0.9
    rCSI 2.3%
    PRS 61.9%
  • pancreatic acinar cell CL0002064
    CSI 1.0
    rCSI 1.3%
    PRS 58.8%
  • colon goblet cell CL0009039
    CSI 1.0
    rCSI 2.3%
    PRS 63.8%
  • lamp5 GABAergic cortical interneuron CL4023011
    CSI 1.0
    rCSI 1.6%
    PRS 36.1%
  • enteroendocrine cell of small intestine CL0009006
    CSI 1.0
    rCSI 2.1%
    PRS 66.8%
  • podocyte CL0000653
    CSI 1.0
    rCSI 4.4%
    PRS 52.4%
  • glycinergic amacrine cell CL4030028
    CSI 1.0
    rCSI 2.6%
    PRS 51.6%
  • acinar cell CL0000622
    CSI 1.0
    rCSI 1.5%
    PRS 64.8%
  • glial cell CL0000125
    CSI 1.0
    rCSI 3.9%
    PRS 45.1%
  • sncg GABAergic cortical interneuron CL4023015
    CSI 1.1
    rCSI 1.7%
    PRS 38.2%
  • endothelial cell of placenta CL0009092
    CSI 1.1
    rCSI 5.3%
    PRS 64.7%
  • paneth cell CL0000510
    CSI 1.1
    rCSI 1.6%
    PRS 70.1%
  • adventitial cell CL0002503
    CSI 1.1
    rCSI 2.6%
    PRS 62.6%
  • cardiac muscle cell CL0000746
    CSI 1.1
    rCSI 1.6%
    PRS 43.5%
  • epicardial adipocyte CL1000309
    CSI 1.1
    rCSI 3.6%
    PRS 54.4%
  • parietal epithelial cell CL1000452
    CSI 1.1
    rCSI 3.0%
    PRS 44.9%
  • intestinal tuft cell CL0019032
    CSI 1.1
    rCSI 1.7%
    PRS 57.8%
  • ON parasol ganglion cell CL4033052
    CSI 1.1
    rCSI 16.1%
    PRS 44.8%
  • conjunctival epithelial cell CL1000432
    CSI 1.1
    rCSI 1.7%
    PRS 53.8%
  • renal interstitial pericyte CL1001318
    CSI 1.1
    rCSI 3.1%
    PRS 49.1%
  • OFF midget ganglion cell CL4033047
    CSI 1.2
    rCSI 24.0%
    PRS 46.0%
  • hepatocyte CL0000182
    CSI 1.2
    rCSI 2.1%
    PRS 51.8%
  • astrocyte of the cerebral cortex CL0002605
    CSI 1.2
    rCSI 2.7%
    PRS 36.8%
  • alveolar macrophage CL0000583
    CSI 1.2
    rCSI 2.0%
    PRS 58.7%
  • BEST4+ enteroycte CL4030026
    CSI 1.2
    rCSI 1.5%
    PRS 55.3%
  • transit amplifying cell of colon CL0009011
    CSI 1.2
    rCSI 1.4%
    PRS 56.4%
  • cerebellar granule cell CL0001031
    CSI 1.2
    rCSI 1.8%
    PRS 47.5%
  • lung ciliated cell CL1000271
    CSI 1.3
    rCSI 1.4%
    PRS 43.1%
  • placental villous trophoblast CL2000060
    CSI 1.3
    rCSI 2.0%
    PRS 51.2%
  • intrahepatic cholangiocyte CL0002538
    CSI 1.3
    rCSI 3.1%
    PRS 66.4%
  • neural progenitor cell CL0011020
    CSI 1.3
    rCSI 5.7%
    PRS 45.0%
  • nasal mucosa goblet cell CL0002480
    CSI 1.3
    rCSI 1.5%
    PRS 62.3%
  • pulmonary alveolar type 2 cell CL0002063
    CSI 1.3
    rCSI 2.0%
    PRS 61.7%
  • intestine goblet cell CL0019031
    CSI 1.3
    rCSI 1.2%
    PRS 51.6%
  • ON midget ganglion cell CL4033046
    CSI 1.3
    rCSI 26.7%
    PRS 44.6%
  • paneth cell of epithelium of small intestine CL1000343
    CSI 1.3
    rCSI 3.7%
    PRS 66.3%
  • renal principal cell CL0005009
    CSI 1.3
    rCSI 3.4%
    PRS 57.5%
  • kidney loop of Henle thin ascending limb epithelial cell CL1001107
    CSI 1.3
    rCSI 3.5%
    PRS 48.6%
  • kidney distal convoluted tubule epithelial cell CL1000849
    CSI 1.4
    rCSI 14.3%
    PRS 52.6%
  • colon epithelial cell CL0011108
    CSI 1.4
    rCSI 1.4%
    PRS 50.0%
  • pulmonary ionocyte CL0017000
    CSI 1.4
    rCSI 1.7%
    PRS 61.0%
  • neuroblast (sensu Nematoda and Protostomia) CL0000338
    CSI 1.4
    rCSI 1.6%
    PRS 47.1%
  • VIP GABAergic cortical interneuron CL4023016
    CSI 1.4
    rCSI 1.7%
    PRS 35.9%
  • rod bipolar cell CL0000751
    CSI 1.4
    rCSI 2.5%
    PRS 46.4%
  • pro-B cell CL0000826
    CSI 1.4
    rCSI 1.2%
    PRS 54.8%
  • mature T cell CL0002419
    CSI 1.4
    rCSI 1.1%
    PRS 71.2%
  • retina horizontal cell CL0000745
    CSI 1.4
    rCSI 2.2%
    PRS 49.7%
  • alveolar adventitial fibroblast CL4028006
    CSI 1.4
    rCSI 2.2%
    PRS 54.7%
  • epithelial cell of proximal tubule CL0002306
    CSI 1.4
    rCSI 3.5%
    PRS 47.6%
  • vascular leptomeningeal cell CL4023051
    CSI 1.4
    rCSI 2.5%
    PRS 45.3%
  • retinal blood vessel endothelial cell CL0002585
    CSI 1.5
    rCSI 2.3%
    PRS 57.0%
  • regular atrial cardiac myocyte CL0002129
    CSI 1.5
    rCSI 4.7%
    PRS 52.0%
  • fibroblast of cardiac tissue CL0002548
    CSI 1.5
    rCSI 7.1%
    PRS 52.4%
  • myeloid leukocyte CL0000766
    CSI 1.5
    rCSI 1.4%
    PRS 54.3%
  • pancreatic ductal cell CL0002079
    CSI 1.5
    rCSI 2.9%
    PRS 55.7%
  • CD14-positive, CD16-positive monocyte CL0002397
    CSI 1.6
    rCSI 2.1%
    PRS 66.8%
  • sst GABAergic cortical interneuron CL4023017
    CSI 1.6
    rCSI 2.1%
    PRS 37.1%
  • bronchus fibroblast of lung CL2000093
    CSI 1.6
    rCSI 1.3%
    PRS 53.7%
  • duct epithelial cell CL0000068
    CSI 1.6
    rCSI 2.4%
    PRS 56.8%
  • peripheral nervous system neuron CL2000032
    CSI 1.6
    rCSI 2.2%
    PRS 45.9%
  • endothelial cell of pericentral hepatic sinusoid CL0019022
    CSI 1.6
    rCSI 5.0%
    PRS 63.5%
  • multi-ciliated epithelial cell CL0005012
    CSI 1.6
    rCSI 1.6%
    PRS 46.9%
  • ionocyte CL0005006
    CSI 1.6
    rCSI 1.8%
    PRS 51.7%
  • respiratory hillock cell CL4030023
    CSI 1.6
    rCSI 2.9%
    PRS 68.0%
  • myoepithelial cell CL0000185
    CSI 1.7
    rCSI 4.2%
    PRS 61.7%
  • megakaryocyte-erythroid progenitor cell CL0000050
    CSI 1.7
    rCSI 1.5%
    PRS 50.1%
  • alveolar type 1 fibroblast cell CL4028004
    CSI 1.7
    rCSI 1.8%
    PRS 56.9%
  • lymphoid lineage restricted progenitor cell CL0000838
    CSI 1.7
    rCSI 6.6%
    PRS 73.9%
  • hepatic stellate cell CL0000632
    CSI 1.7
    rCSI 6.3%
    PRS 45.5%
  • blood vessel endothelial cell CL0000071
    CSI 1.7
    rCSI 3.5%
    PRS 50.5%
  • elicited macrophage CL0000861
    CSI 1.7
    rCSI 1.6%
    PRS 61.7%
  • renal beta-intercalated cell CL0002201
    CSI 1.7
    rCSI 4.2%
    PRS 54.5%
  • fibroblast of lung CL0002553
    CSI 1.7
    rCSI 1.6%
    PRS 52.9%
  • stem cell CL0000034
    CSI 1.8
    rCSI 1.7%
    PRS 43.8%
  • neuroblast (sensu Vertebrata) CL0000031
    CSI 1.8
    rCSI 2.3%
    PRS 51.0%
  • intestinal epithelial cell CL0002563
    CSI 1.8
    rCSI 1.9%
    PRS 52.0%
  • kidney loop of Henle thin descending limb epithelial cell CL1001111
    CSI 1.8
    rCSI 2.5%
    PRS 49.6%

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 [SNX4](/details-gene/8723) (Sorting Nexin 4) is a protein-coding gene located on chromosome 3q21.2. As a member of the sorting nexin family, it is a key component of the intracellular membrane trafficking machinery. Its primary functions involve the regulation of protein transport, particularly in [endocytic recycling](/details-cell/GO:0032456) and the assembly of autophagosomes ([GO:2000786](/details-cell/GO:2000786)). Recent studies have highlighted its role in coordinating the trafficking of essential proteins like ATG9A, which is critical for autophagy ([Link](https://doi.org/10.1242/jcs.246306), [Link](https://doi.org/10.1242/jcs.250670)). The protein product of [SNX4](/details-gene/8723) achieves this through its ability to bind specific phosphoinositides on endosomal membranes ([GO:0032266](/details-cell/GO:0032266)) and interact with various receptors, including those for transferrin, insulin, and epidermal growth factor ([Link](https://doi.org/10.1128/mcb.18.12.7278)). **Overall**, expression data indicates its significance in a diverse array of cell types, including immune cells such as [myeloid dendritic cell](/details-cell/CL0000782) and [regulatory T cell](/details-cell/CL0000792), as well as various types of [neuron](/details-cell/CL0000617)s, suggesting a fundamental and broadly required role in cellular homeostasis. ## Cellular Roles and Expression Landscape The expression profile of [SNX4](/details-gene/8723) indicates its importance across multiple, functionally distinct cellular lineages, consistent with its role in core trafficking pathways essential for cellular maintenance and signaling. **Overall**, the gene shows the highest significance in professional antigen-presenting cells, with [myeloid dendritic cell](/details-cell/CL0000782) (CSI: 12.76) ranking as the top cell type. This is followed by high significance in [CD4-positive, CD25-positive, alpha-beta regulatory T cell](/details-cell/CL0000792)s (CSI: 10.39), suggesting a critical role in immune surveillance and regulation, likely through managing the surface expression and recycling of receptors involved in antigen presentation and T cell signaling. Beyond the immune system, [SNX4](/details-gene/8723) is highly significant in the central nervous system, particularly in [L5 extratelencephalic projecting glutamatergic cortical neuron](/details-cell/CL4023041) (CSI: 11.41) and [GABAergic neuron](/details-cell/CL0000617) (CSI: 8.43). This expression pattern is consistent with its annotated localization to the [presynaptic endosome](/details-cell/GO:0098830) and implies a role in neurotransmitter receptor recycling and maintaining synaptic integrity. Furthermore, its significance in metabolically active cells like [periportal region hepatocyte](/details-cell/CL0019026) (CSI: 9.74) and nutrient-transporting cells like the [erythrocyte](/details-cell/CL0000232) (CSI: 8.40) underscores its function in recycling key receptors like the transferrin and insulin receptors, as established in foundational studies ([Link](https://doi.org/10.1038/ncb1656)). Its broad significance across secretory cells ([enteroendocrine cell](/details-cell/CL0000164)), structural cells ([pulmonary artery endothelial cell](/details-cell/CL1001568)), and other specialized epithelial cells ([fallopian tube secretory epithelial cell](/details-cell/CL4030006)) highlights its housekeeping role in cellular logistics. ## Pathways and Molecular Function [SNX4](/details-gene/8723) is a multifunctional protein primarily involved in orchestrating the flow of cargo through the endosomal system. Its molecular function is centered on its Phox (PX) domain, which specifically binds to phosphatidylinositol-3-phosphate ([GO:0032266](/details-cell/GO:0032266)), a lipid enriched in early endosome membranes, thereby targeting the protein to this compartment ([GO:0031901](/details-cell/GO:0031901)). Functionally, [SNX4](/details-gene/8723) plays a direct role in [endocytic recycling](/details-cell/GO:0032456), a process vital for returning receptors and lipids from endosomes back to the plasma membrane. It is known to regulate the trafficking of several key receptors, including the [transferrin receptor](/details-cell/GO:1990459), [insulin receptor](/details-cell/GO:0005158), and [epidermal growth factor receptor](/details-cell/GO:0005154) ([Link](https://doi.org/10.1128/mcb.18.12.7278)). One of its key mechanisms involves coordinating with the [cytoplasmic dynein complex](/details-cell/GO:0005868) to facilitate the transport of cargo into the endocytic recycling compartment ([Link](https://doi.org/10.1038/ncb1656)). More recently, [SNX4](/details-gene/8723) has been identified as a critical regulator of autophagy. It forms a complex with SNX7 to control the trafficking and recycling of ATG9A, the only transmembrane protein of the core autophagy machinery ([Link](https://doi.org/10.1242/jcs.246306)). This role in [positive regulation of autophagosome assembly](/details-cell/GO:2000786) demonstrates that [SNX4](/details-gene/8723) functions at the intersection of endocytosis and autophagy, two fundamental pathways for cellular quality control and homeostasis ([Link](https://doi.org/10.1242/jcs.250670)). ## Research Directions The widespread and high-level expression of [SNX4](/details-gene/8723) across diverse cell types points to its fundamental importance, but also raises questions about its specialized roles in different cellular contexts. Future research could explore how this core trafficking component is adapted to meet the unique demands of specific cells. ### Proposed Hypotheses: 1. **[SNX4](/details-gene/8723) is essential for neuronal synaptic integrity.** Given its high significance in both [glutamatergic neuron](/details-cell/CL0000679)s and [GABAergic neuron](/details-cell/CL0000617) and its known role in receptor recycling, it is hypothesized that [SNX4](/details-gene/8723) is critical for the homeostatic regulation of neurotransmitter receptor density at the synapse. Disruption of [SNX4](/details-gene/8723) function may lead to impaired synaptic plasticity and contribute to neurodegenerative pathologies. 2. **[SNX4](/details-gene/8723) modulates immune cell function by controlling surface receptor availability.** The high CSI of [SNX4](/details-gene/8723) in [myeloid dendritic cell](/details-cell/CL0000782)s and [regulatory T cell](/details-cell/CL0000792)s suggests it may regulate antigen presentation and immune suppression. It is hypothesized that [SNX4](/details-gene/8723) controls the rate of MHC class II recycling in dendritic cells, thereby tuning the duration of antigen presentation, and regulates the surface expression of key inhibitory receptors (e.g., CTLA-4, PD-1) in regulatory T cells. ### Key Experiment: To test the second hypothesis regarding the role of [SNX4](/details-gene/8723) in regulatory T cells, a conditional knockout approach could be employed. Specifically, one could generate a mouse model where [SNX4](/details-gene/8723) is deleted specifically in regulatory T cells (e.g., using a Foxp3-Cre driver line). The suppressive capacity of [SNX4](/details-gene/8723)-deficient Treg cells could be compared to wild-type controls in *in vitro* suppression assays and *in vivo* models of autoimmune disease. Surface and total cellular levels of key regulatory receptors like CTLA-4, GITR, and PD-1 could be quantified by flow cytometry and western blotting to determine if trafficking defects underlie any observed functional changes. ### Therapeutic Potential: Given its fundamental role in cellular trafficking across a wide range of tissues, [SNX4](/details-gene/8723) is a challenging therapeutic target for systemic inhibition due to the high likelihood of off-target toxicity. However, its crucial function in autophagy and receptor endocytosis, pathways frequently dysregulated in cancer and neurodegeneration, makes it a protein of interest. Rather than direct inhibition of its core function, a more viable strategy might involve targeting specific protein-protein interactions that are context-dependent or disease-specific. For example, developing molecules that disrupt the interaction of [SNX4](/details-gene/8723) with a specific oncoprotein or a receptor critical for tumor cell survival could offer a therapeutic window while sparing its essential housekeeping functions in healthy cells.

Genular Protein ID: 2926436119

Symbol: SNX4_HUMAN

Name: N/A

UniProtKB Accession Codes:

Database IDs:

Citations:

PubMed ID: 9819414

Title: Identification of a family of sorting nexin molecules and characterization of their association with receptors.

PubMed ID: 9819414

DOI: 10.1128/mcb.18.12.7278

PubMed ID: 14702039

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

PubMed ID: 14702039

DOI: 10.1038/ng1285

PubMed ID: 16641997

Title: The DNA sequence, annotation and analysis of human chromosome 3.

PubMed ID: 16641997

DOI: 10.1038/nature04728

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: 12668730

Title: Sorting nexin 4 and amphiphysin 2, a new partnership between endocytosis and intracellular trafficking.

PubMed ID: 12668730

DOI: 10.1242/jcs.00403

PubMed ID: 17994011

Title: SNX4 coordinates endosomal sorting of TfnR with dynein-mediated transport into the endocytic recycling compartment.

PubMed ID: 17994011

DOI: 10.1038/ncb1656

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: 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: 23186163

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

PubMed ID: 23186163

DOI: 10.1021/pr300630k

PubMed ID: 32513819

Title: A heterodimeric SNX4--SNX7 SNX-BAR autophagy complex coordinates ATG9A trafficking for efficient autophagosome assembly.

PubMed ID: 32513819

DOI: 10.1242/jcs.246306

PubMed ID: 33468622

Title: The phosphatidylinositol 3-phosphate-binding protein SNX4 controls ATG9A recycling and autophagy.

PubMed ID: 33468622

DOI: 10.1242/jcs.250670

Sequence Information:

  • Length: 450
  • Mass: 51909
  • Checksum: 3D5B52AC52A07686
  • Sequence:
  • MEQAPPDPER QLQPAPLEPL GSPDAGLGAA VGKEAEGAGE ESSGVDTMTH NNFWLKKIEI 
    SVSEAEKRTG RNAMNMQETY TAYLIETRSV EHTDGQSVLT DSLWRRYSEF ELLRSYLLVY 
    YPHIVVPPLP EKRAEFVWHK LSADNMDPDF VERRRIGLEN FLLRIASHPI LCRDKIFYLF 
    LTQEGNWKET VNETGFQLKA DSRLKALNAT FRVKNPDKRF TDLKHYSDEL QSVISHLLRV 
    RARVADRLYG VYKVHGNYGR VFSEWSAIEK EMGDGLQSAG HHMDVYASSI DDILEDEEHY 
    ADQLKEYLFY AEALRAVCRK HELMQYDLEM AAQDLASKKQ QCEELVTGTV RTFSLKGMTT 
    KLFGQETPEQ REARIKVLEE QINEGEQQLK SKNLEGREFV KNAWADIERF KEQKNRDLKE 
    ALISYAVMQI SMCKKGIQVW TNAKECFSKM