Details for: PAFAH1B3

Gene ID: 5050

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: PAFAH1B3

Ensembl ID: ENSG00000079462

Description: platelet activating factor acetylhydrolase 1b catalytic subunit 3

Cell Significance Landscape

Associated with

Significant Cells

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

  • peripheral nervous system neuron CL2000032
    CSI 42
    rCSI 57.23%
    PRS 60.36
  • neuroblast (sensu Vertebrata) CL0000031
    CSI 31.03
    rCSI 39.82%
    PRS 65.54
  • megakaryocyte-erythroid progenitor cell CL0000050
    CSI 22.15
    rCSI 20.01%
    PRS 66.18
  • mesodermal cell CL0000222
    CSI 21.46
    rCSI 25.76%
    PRS 67.17
  • neural crest cell CL0011012
    CSI 20.41
    rCSI 16.13%
    PRS 56.07
  • epithelial cell of lung CL0000082
    CSI 20.24
    rCSI 16.78%
    PRS 68.77
  • interneuron CL0000099
    CSI 19.91
    rCSI 39.98%
    PRS 58.13
  • myofibroblast cell CL0000186
    CSI 17.81
    rCSI 24.67%
    PRS 68.57
  • fallopian tube secretory epithelial cell CL4030006
    CSI 17.3
    rCSI 16.65%
    PRS 68.7
  • neuroblast (sensu Nematoda and Protostomia) CL0000338
    CSI 17.27
    rCSI 19.94%
    PRS 61.52
  • cerebellar granule cell CL0001031
    CSI 17.13
    rCSI 25.18%
    PRS 61.94
  • forebrain radial glial cell CL0013000
    CSI 16.91
    rCSI 54.26%
    PRS 72.77
  • respiratory suprabasal cell CL4033048
    CSI 15.47
    rCSI 19.83%
    PRS 73.28
  • cerebral cortex GABAergic interneuron CL0010011
    CSI 15.19
    rCSI 44.85%
    PRS 71.18
  • erythrocyte CL0000232
    CSI 14.05
    rCSI 31.88%
    PRS 71.22
  • glutamatergic neuron CL0000679
    CSI 14.04
    rCSI 28.84%
    PRS 57.89
  • transit amplifying cell of colon CL0009011
    CSI 13.11
    rCSI 15.4%
    PRS 71.11
  • secretory cell CL0000151
    CSI 12.07
    rCSI 12.59%
    PRS 68.86
  • fibroblast CL0000057
    CSI 11.63
    rCSI 33.46%
    PRS 71.68
  • GABAergic neuron CL0000617
    CSI 11.12
    rCSI 37.24%
    PRS 53.38
  • enteric smooth muscle cell CL0002504
    CSI 10.6
    rCSI 15.13%
    PRS 70.79
  • pancreatic A cell CL0000171
    CSI 10.11
    rCSI 10.59%
    PRS 72.42
  • hematopoietic stem cell CL0000037
    CSI 9.74
    rCSI 6.47%
    PRS 71.83
  • stem cell CL0000034
    CSI 8.96
    rCSI 8.64%
    PRS 60.45
  • pancreatic ductal cell CL0002079
    CSI 8.9
    rCSI 17.31%
    PRS 72.06
  • radial glial cell CL0000681
    CSI 8.86
    rCSI 12.3%
    PRS 67.41
  • Cajal-Retzius cell CL0000695
    CSI 8.75
    rCSI 68.54%
    PRS 77.63
  • intestinal epithelial cell CL0002563
    CSI 7.9
    rCSI 8.26%
    PRS 66.7
  • common dendritic progenitor CL0001029
    CSI 6.94
    rCSI 8.71%
    PRS 79.16
  • primitive red blood cell CL0002355
    CSI 6.83
    rCSI 36.85%
    PRS 78.82
  • club cell CL0000158
    CSI 6.82
    rCSI 10%
    PRS 64.03
  • plasmablast CL0000980
    CSI 6.61
    rCSI 5.2%
    PRS 75.39
  • pancreatic acinar cell CL0002064
    CSI 6.57
    rCSI 8.73%
    PRS 75.2
  • naive T cell CL0000898
    CSI 6.38
    rCSI 4.44%
    PRS 83.83
  • double negative thymocyte CL0002489
    CSI 6.37
    rCSI 4.43%
    PRS 80.32
  • granulocyte monocyte progenitor cell CL0000557
    CSI 6.25
    rCSI 5.41%
    PRS 73.67
  • common myeloid progenitor CL0000049
    CSI 6.23
    rCSI 5.04%
    PRS 70.72
  • goblet cell CL0000160
    CSI 5.72
    rCSI 5.41%
    PRS 68.03
  • enterocyte CL0000584
    CSI 5.69
    rCSI 9.17%
    PRS 70.77
  • lung macrophage CL1001603
    CSI 5.63
    rCSI 12.58%
    PRS 76.73
  • glioblast CL0000030
    CSI 5.43
    rCSI 8.66%
    PRS 60.71
  • effector CD8-positive, alpha-beta T cell CL0001050
    CSI 5.36
    rCSI 4.08%
    PRS 81.9
  • pro-B cell CL0000826
    CSI 5.3
    rCSI 4.39%
    PRS 71.37
  • hematopoietic precursor cell CL0008001
    CSI 5.22
    rCSI 5.37%
    PRS 83.8
  • fraction A pre-pro B cell CL0002045
    CSI 5.15
    rCSI 5.89%
    PRS 84.53
  • pancreatic D cell CL0000173
    CSI 4.96
    rCSI 4.88%
    PRS 71.45
  • chondrocyte CL0000138
    CSI 4.84
    rCSI 7.7%
    PRS 61.5
  • intestine goblet cell CL0019031
    CSI 4.84
    rCSI 4.29%
    PRS 66.68
  • immature B cell CL0000816
    CSI 4.8
    rCSI 3.57%
    PRS 81.76
  • epithelial cell CL0000066
    CSI 4.69
    rCSI 7.21%
    PRS 61.81
  • early lymphoid progenitor CL0000936
    CSI 4.64
    rCSI 4.07%
    PRS 74.27
  • plasmacytoid dendritic cell, human CL0001058
    CSI 4.63
    rCSI 3.23%
    PRS 71.93
  • granulocyte CL0000094
    CSI 4.59
    rCSI 7.01%
    PRS 78.07
  • CD4-positive, CD25-positive, alpha-beta regulatory T cell CL0000792
    CSI 4.53
    rCSI 4.45%
    PRS 83.85
  • neuroplacodal cell CL0000032
    CSI 4.51
    rCSI 41.72%
    PRS 75.74
  • midbrain dopaminergic neuron CL2000097
    CSI 4.41
    rCSI 28.22%
    PRS 68.83
  • CD4-positive helper T cell CL0000492
    CSI 4.39
    rCSI 3.32%
    PRS 82.15
  • double-positive, alpha-beta thymocyte CL0000809
    CSI 4.34
    rCSI 4.42%
    PRS 80.38
  • epithelial cell of lower respiratory tract CL0002632
    CSI 4.32
    rCSI 3.35%
    PRS 71.91
  • pulmonary ionocyte CL0017000
    CSI 4.31
    rCSI 5.24%
    PRS 76.27
  • ciliated cell CL0000064
    CSI 4.3
    rCSI 6.97%
    PRS 64.79
  • enteroendocrine cell CL0000164
    CSI 4.29
    rCSI 5.87%
    PRS 69.89
  • keratinocyte CL0000312
    CSI 4.2
    rCSI 3.52%
    PRS 72.42
  • lung neuroendocrine cell CL1000223
    CSI 4.11
    rCSI 6.08%
    PRS 73.97
  • retinal ganglion cell CL0000740
    CSI 3.75
    rCSI 8.28%
    PRS 54.74
  • intestinal tuft cell CL0019032
    CSI 3.71
    rCSI 5.67%
    PRS 73.28
  • promyelocyte CL0000836
    CSI 3.68
    rCSI 5.31%
    PRS 77.08
  • basal cell CL0000646
    CSI 3.67
    rCSI 4.91%
    PRS 68.81
  • placental villous trophoblast CL2000060
    CSI 3.54
    rCSI 5.47%
    PRS 67.52
  • interstitial cell of Cajal CL0002088
    CSI 3.48
    rCSI 4.43%
    PRS 74.95
  • mesenchymal cell CL0008019
    CSI 3.44
    rCSI 8.73%
    PRS 62.7
  • thymocyte CL0000893
    CSI 3.43
    rCSI 12.2%
    PRS 92.95
  • multi-ciliated epithelial cell CL0005012
    CSI 3.42
    rCSI 3.41%
    PRS 62.35
  • paneth cell CL0000510
    CSI 3.36
    rCSI 4.96%
    PRS 82.75
  • enteric neuron CL0007011
    CSI 3.26
    rCSI 48.27%
    PRS 80.36
  • sst GABAergic cortical interneuron CL4023017
    CSI 3.26
    rCSI 4.21%
    PRS 51.44
  • erythroblast CL0000765
    CSI 3.25
    rCSI 8.61%
    PRS 78.23
  • cerebral cortex endothelial cell CL1001602
    CSI 3.24
    rCSI 5.61%
    PRS 59.3
  • choroid plexus epithelial cell CL0000706
    CSI 3.24
    rCSI 5.31%
    PRS 57.96
  • acinar cell CL0000622
    CSI 3.14
    rCSI 4.61%
    PRS 80.08
  • neuroendocrine cell CL0000165
    CSI 3.13
    rCSI 12.09%
    PRS 81.19
  • erythroid progenitor cell CL0000038
    CSI 3.12
    rCSI 17.86%
    PRS 76.91
  • inhibitory interneuron CL0000498
    CSI 3.11
    rCSI 7.18%
    PRS 57.12
  • Purkinje cell CL0000121
    CSI 3.05
    rCSI 39.92%
    PRS 82.33
  • cerebral cortex pyramidal neuron CL4023111
    CSI 3.03
    rCSI 18.66%
    PRS 80.03
  • stromal cell CL0000499
    CSI 2.98
    rCSI 8.39%
    PRS 65.07
  • promonocyte CL0000559
    CSI 2.96
    rCSI 5.07%
    PRS 77.01
  • ON-bipolar cell CL0000749
    CSI 2.86
    rCSI 4.26%
    PRS 69.78
  • common lymphoid progenitor CL0000051
    CSI 2.83
    rCSI 3.79%
    PRS 87.16
  • myeloid leukocyte CL0000766
    CSI 2.83
    rCSI 2.61%
    PRS 70.69
  • M cell of gut CL0000682
    CSI 2.77
    rCSI 2.95%
    PRS 77.23
  • erythroid lineage cell CL0000764
    CSI 2.72
    rCSI 17.5%
    PRS 83.36
  • mammary gland epithelial cell CL0002327
    CSI 2.58
    rCSI 9.04%
    PRS 79.9
  • respiratory hillock cell CL4030023
    CSI 2.5
    rCSI 4.47%
    PRS 80.91
  • fibroblast of lung CL0002553
    CSI 2.46
    rCSI 2.29%
    PRS 69.65
  • lung ciliated cell CL1000271
    CSI 2.42
    rCSI 2.79%
    PRS 59.74
  • neural cell CL0002319
    CSI 2.4
    rCSI 9.04%
    PRS 53.31
  • large pre-B-II cell CL0000957
    CSI 2.37
    rCSI 6.75%
    PRS 78.44
  • Bergmann glial cell CL0000644
    CSI 2.33
    rCSI 3.19%
    PRS 61.3
  • neural progenitor cell CL0011020
    CSI 2.3
    rCSI 10.11%
    PRS 58.24
  • P/D1 enteroendocrine cell CL0002268
    CSI 0.3
    rCSI 1.4%
    PRS 81.1%
  • respiratory goblet cell CL0002370
    CSI 0.3
    rCSI 3.0%
    PRS 81.2%
  • intestinal crypt stem cell of colon CL0009043
    CSI 0.5
    rCSI 3.7%
    PRS 82.7%
  • tracheobronchial serous cell CL0019001
    CSI 0.5
    rCSI 2.4%
    PRS 79.7%
  • pancreatic PP cell CL0002275
    CSI 0.6
    rCSI 2.4%
    PRS 79.4%
  • type EC enteroendocrine cell CL0000577
    CSI 0.6
    rCSI 2.2%
    PRS 75.8%
  • type B pancreatic cell CL0000169
    CSI 0.7
    rCSI 1.5%
    PRS 67.3%
  • retinal cone cell CL0000573
    CSI 0.8
    rCSI 1.3%
    PRS 58.3%
  • transit amplifying cell of small intestine CL0009012
    CSI 0.9
    rCSI 3.9%
    PRS 81.2%
  • basophil mast progenitor cell CL0002028
    CSI 1.0
    rCSI 5.3%
    PRS 92.8%
  • lymphoid lineage restricted progenitor cell CL0000838
    CSI 1.1
    rCSI 4.1%
    PRS 87.2%
  • respiratory epithelial cell CL0002368
    CSI 1.1
    rCSI 6.9%
    PRS 91.2%
  • amacrine cell CL0000561
    CSI 1.1
    rCSI 3.3%
    PRS 58.2%
  • lung secretory cell CL1000272
    CSI 1.2
    rCSI 2.9%
    PRS 67.6%
  • sncg GABAergic cortical interneuron CL4023015
    CSI 1.2
    rCSI 1.9%
    PRS 52.0%
  • duct epithelial cell CL0000068
    CSI 1.2
    rCSI 1.8%
    PRS 73.8%
  • colon goblet cell CL0009039
    CSI 1.3
    rCSI 3.0%
    PRS 76.5%
  • caudal ganglionic eminence derived cortical interneuron CL4023064
    CSI 1.3
    rCSI 2.2%
    PRS 49.2%
  • lamp5 GABAergic cortical interneuron CL4023011
    CSI 1.3
    rCSI 2.2%
    PRS 50.1%
  • OFF-bipolar cell CL0000750
    CSI 1.3
    rCSI 1.8%
    PRS 73.8%
  • effector memory CD8-positive, alpha-beta T cell, terminally differentiated CL0001062
    CSI 1.5
    rCSI 7.4%
    PRS 81.4%
  • foveolar cell of stomach CL0002179
    CSI 1.5
    rCSI 3.2%
    PRS 78.3%
  • smooth muscle cell CL0000192
    CSI 1.6
    rCSI 3.7%
    PRS 69.8%
  • conjunctival epithelial cell CL1000432
    CSI 1.6
    rCSI 2.4%
    PRS 69.5%
  • colon epithelial cell CL0011108
    CSI 1.6
    rCSI 1.7%
    PRS 65.8%
  • hematopoietic multipotent progenitor cell CL0000837
    CSI 1.6
    rCSI 3.9%
    PRS 85.1%
  • progenitor cell CL0011026
    CSI 1.6
    rCSI 3.5%
    PRS 65.9%
  • small pre-B-II cell CL0000954
    CSI 1.7
    rCSI 1.6%
    PRS 87.6%
  • mucous neck cell CL0000651
    CSI 1.7
    rCSI 2.4%
    PRS 78.2%
  • intermediate monocyte CL0002393
    CSI 1.7
    rCSI 2.5%
    PRS 73.9%
  • kidney epithelial cell CL0002518
    CSI 1.7
    rCSI 3.2%
    PRS 86.0%
  • L6b glutamatergic cortical neuron CL4023038
    CSI 1.7
    rCSI 5.4%
    PRS 51.8%
  • VIP GABAergic cortical interneuron CL4023016
    CSI 1.8
    rCSI 2.1%
    PRS 49.9%
  • pluripotent stem cell CL0002248
    CSI 1.8
    rCSI 54.0%
    PRS 85.3%
  • rod bipolar cell CL0000751
    CSI 1.8
    rCSI 3.3%
    PRS 61.9%
  • epithelial cell of nephron CL1000449
    CSI 1.8
    rCSI 17.4%
    PRS 93.3%
  • luminal epithelial cell of mammary gland CL0002326
    CSI 1.9
    rCSI 3.4%
    PRS 82.5%
  • eosinophil CL0000771
    CSI 2.0
    rCSI 13.1%
    PRS 91.2%
  • retina horizontal cell CL0000745
    CSI 2.1
    rCSI 3.1%
    PRS 65.2%
  • respiratory basal cell CL0002633
    CSI 2.1
    rCSI 2.1%
    PRS 74.6%
  • ciliated epithelial cell CL0000067
    CSI 2.1
    rCSI 1.8%
    PRS 56.9%
  • ionocyte CL0005006
    CSI 2.1
    rCSI 2.3%
    PRS 69.2%
  • mesenchymal stem cell CL0000134
    CSI 2.1
    rCSI 23.3%
    PRS 78.8%
  • transit amplifying cell CL0009010
    CSI 2.2
    rCSI 3.3%
    PRS 80.9%
  • neural progenitor cell CL0011020
    CSI 2.3
    rCSI 10.1%
    PRS 58.2%
  • Bergmann glial cell CL0000644
    CSI 2.3
    rCSI 3.2%
    PRS 61.3%
  • large pre-B-II cell CL0000957
    CSI 2.4
    rCSI 6.8%
    PRS 78.4%
  • neural cell CL0002319
    CSI 2.4
    rCSI 9.0%
    PRS 53.3%
  • lung ciliated cell CL1000271
    CSI 2.4
    rCSI 2.8%
    PRS 59.7%
  • fibroblast of lung CL0002553
    CSI 2.5
    rCSI 2.3%
    PRS 69.7%
  • respiratory hillock cell CL4030023
    CSI 2.5
    rCSI 4.5%
    PRS 80.9%
  • mammary gland epithelial cell CL0002327
    CSI 2.6
    rCSI 9.0%
    PRS 79.9%
  • erythroid lineage cell CL0000764
    CSI 2.7
    rCSI 17.5%
    PRS 83.4%
  • M cell of gut CL0000682
    CSI 2.8
    rCSI 3.0%
    PRS 77.2%
  • myeloid leukocyte CL0000766
    CSI 2.8
    rCSI 2.6%
    PRS 70.7%
  • common lymphoid progenitor CL0000051
    CSI 2.8
    rCSI 3.8%
    PRS 87.2%
  • ON-bipolar cell CL0000749
    CSI 2.9
    rCSI 4.3%
    PRS 69.8%
  • promonocyte CL0000559
    CSI 3.0
    rCSI 5.1%
    PRS 77.0%
  • stromal cell CL0000499
    CSI 3.0
    rCSI 8.4%
    PRS 65.1%
  • cerebral cortex pyramidal neuron CL4023111
    CSI 3.0
    rCSI 18.7%
    PRS 80.0%
  • Purkinje cell CL0000121
    CSI 3.1
    rCSI 39.9%
    PRS 82.3%
  • inhibitory interneuron CL0000498
    CSI 3.1
    rCSI 7.2%
    PRS 57.1%
  • erythroid progenitor cell CL0000038
    CSI 3.1
    rCSI 17.9%
    PRS 76.9%
  • neuroendocrine cell CL0000165
    CSI 3.1
    rCSI 12.1%
    PRS 81.2%
  • acinar cell CL0000622
    CSI 3.1
    rCSI 4.6%
    PRS 80.1%
  • choroid plexus epithelial cell CL0000706
    CSI 3.2
    rCSI 5.3%
    PRS 58.0%
  • cerebral cortex endothelial cell CL1001602
    CSI 3.2
    rCSI 5.6%
    PRS 59.3%
  • erythroblast CL0000765
    CSI 3.3
    rCSI 8.6%
    PRS 78.2%
  • sst GABAergic cortical interneuron CL4023017
    CSI 3.3
    rCSI 4.2%
    PRS 51.4%
  • enteric neuron CL0007011
    CSI 3.3
    rCSI 48.3%
    PRS 80.4%
  • paneth cell CL0000510
    CSI 3.4
    rCSI 5.0%
    PRS 82.8%
  • multi-ciliated epithelial cell CL0005012
    CSI 3.4
    rCSI 3.4%
    PRS 62.4%
  • thymocyte CL0000893
    CSI 3.4
    rCSI 12.2%
    PRS 93.0%
  • mesenchymal cell CL0008019
    CSI 3.4
    rCSI 8.7%
    PRS 62.7%
  • interstitial cell of Cajal CL0002088
    CSI 3.5
    rCSI 4.4%
    PRS 75.0%
  • placental villous trophoblast CL2000060
    CSI 3.5
    rCSI 5.5%
    PRS 67.5%
  • basal cell CL0000646
    CSI 3.7
    rCSI 4.9%
    PRS 68.8%
  • promyelocyte CL0000836
    CSI 3.7
    rCSI 5.3%
    PRS 77.1%
  • intestinal tuft cell CL0019032
    CSI 3.7
    rCSI 5.7%
    PRS 73.3%
  • retinal ganglion cell CL0000740
    CSI 3.8
    rCSI 8.3%
    PRS 54.7%
  • lung neuroendocrine cell CL1000223
    CSI 4.1
    rCSI 6.1%
    PRS 74.0%
  • keratinocyte CL0000312
    CSI 4.2
    rCSI 3.5%
    PRS 72.4%
  • enteroendocrine cell CL0000164
    CSI 4.3
    rCSI 5.9%
    PRS 69.9%
  • ciliated cell CL0000064
    CSI 4.3
    rCSI 7.0%
    PRS 64.8%
  • pulmonary ionocyte CL0017000
    CSI 4.3
    rCSI 5.2%
    PRS 76.3%
  • epithelial cell of lower respiratory tract CL0002632
    CSI 4.3
    rCSI 3.4%
    PRS 71.9%
  • double-positive, alpha-beta thymocyte CL0000809
    CSI 4.3
    rCSI 4.4%
    PRS 80.4%
  • CD4-positive helper T cell CL0000492
    CSI 4.4
    rCSI 3.3%
    PRS 82.2%
  • midbrain dopaminergic neuron CL2000097
    CSI 4.4
    rCSI 28.2%
    PRS 68.8%
  • neuroplacodal cell CL0000032
    CSI 4.5
    rCSI 41.7%
    PRS 75.7%
  • CD4-positive, CD25-positive, alpha-beta regulatory T cell CL0000792
    CSI 4.5
    rCSI 4.5%
    PRS 83.9%
  • granulocyte CL0000094
    CSI 4.6
    rCSI 7.0%
    PRS 78.1%
  • plasmacytoid dendritic cell, human CL0001058
    CSI 4.6
    rCSI 3.2%
    PRS 71.9%
  • early lymphoid progenitor CL0000936
    CSI 4.6
    rCSI 4.1%
    PRS 74.3%
  • epithelial cell CL0000066
    CSI 4.7
    rCSI 7.2%
    PRS 61.8%
  • immature B cell CL0000816
    CSI 4.8
    rCSI 3.6%
    PRS 81.8%
  • intestine goblet cell CL0019031
    CSI 4.8
    rCSI 4.3%
    PRS 66.7%
  • chondrocyte CL0000138
    CSI 4.8
    rCSI 7.7%
    PRS 61.5%
  • pancreatic D cell CL0000173
    CSI 5.0
    rCSI 4.9%
    PRS 71.5%
  • fraction A pre-pro B cell CL0002045
    CSI 5.2
    rCSI 5.9%
    PRS 84.5%

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

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

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

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

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

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

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Other Information

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

## Summary [PAFAH1B3](/details-gene/5050) encodes the 29 kDa catalytic subunit 3 of the intracellular platelet-activating factor acetylhydrolase 1b (PAF-AH 1b). This enzyme is primarily involved in the catabolism of platelet-activating factor (PAF), a potent signaling phospholipid. Functionally, [PAFAH1B3](/details-gene/5050) is associated with lipid metabolic processes, protein dimerization, and nervous system development. **Overall**, expression data indicates that [PAFAH1B3](/details-gene/5050) is a significant gene in the nervous system, with its highest significance observed in [peripheral nervous system neuron](/details-cell/CL2000032) and developing [neuroblast (sensu Vertebrata)](/details-cell/CL0000031), suggesting a crucial role in neuronal function and development. ## Cellular Roles and Expression Landscape The expression profile of [PAFAH1B3](/details-gene/5050) highlights a predominant role in the nervous system. **Overall**, it demonstrates the highest cell significance index (CSI) in mature [peripheral nervous system neuron](/details-cell/CL2000032) (CSI: 42.00) and in progenitor cells such as [neuroblast (sensu Vertebrata)](/details-cell/CL0000031) (CSI: 31.03) and [neural crest cell](/details-cell/CL0011012) (CSI: 20.41). Its significance is further supported in various specialized neuronal subtypes, including [interneuron](/details-cell/CL0000099), [cerebellar granule cell](/details-cell/CL0001031), and [cerebral cortex GABAergic interneuron](/details-cell/CL0010011). Beyond the nervous system, [PAFAH1B3](/details-gene/5050) shows notable significance in hematopoietic and epithelial lineages. It is highly ranked in [megakaryocyte-erythroid progenitor cell](/details-cell/CL0000050) (CSI: 22.15) and mature [erythrocyte](/details-cell/CL0000232) (CSI: 14.05), consistent with the known role of PAF in hematopoiesis and platelet function. Additionally, its expression in [epithelial cell of lung](/details-cell/CL0000082) (CSI: 20.24) and [fallopian tube secretory epithelial cell](/details-cell/CL4030006) (CSI: 17.30) suggests a role in mucosal biology and secretory functions, potentially through the regulation of membrane trafficking. ## Pathways and Molecular Function The functional annotations for [PAFAH1B3](/details-gene/5050) align with its enzymatic identity and cellular expression patterns. Its core molecular function is 1-alkyl-2-acetylglycerophosphocholine esterase activity ([GO:0003847](https://www.ebi.ac.uk/QuickGO/term/GO:0003847)), which drives lipid catabolic processes ([GO:0016042](https://www.ebi.ac.uk/QuickGO/term/GO:0016042)). This enzymatic activity is integral to nervous system development ([GO:0007399](https://www.ebi.ac.uk/QuickGO/term/GO:0007399)), consistent with its high expression in neuronal cell types. The gene product is also known to participate in protein binding, including identical protein binding ([GO:0042802](https://www.ebi.ac.uk/QuickGO/term/GO:0042802)) and protein heterodimerization ([GO:0046982](https://www.ebi.ac.uk/QuickGO/term/GO:0046982)), forming the active esterase complex ([GO:0008247](https://www.ebi.ac.uk/QuickGO/term/GO:0008247)) in the cytosol. At the process level, [PAFAH1B3](/details-gene/5050) is implicated in fundamental intracellular transport mechanisms. Reactome pathway analysis places it within vesicle-mediated transport ([R-HSA-5653656](https://reactome.org/content/detail/R-HSA-5653656)) and more specifically, Golgi-to-ER retrograde transport ([R-HSA-8856688](https://reactome.org/content/detail/R-HSA-8856688)). This suggests that by modulating the lipid composition of membranes, [PAFAH1B3](/details-gene/5050) may influence the dynamics of membrane trafficking between the Golgi apparatus and the endoplasmic reticulum. ## Research Directions The widespread yet specific expression pattern of [PAFAH1B3](/details-gene/5050) points to several avenues for future research, particularly concerning its role in cellular development and intracellular logistics. **Proposed Hypotheses:** 1. Given its high significance in [neuroblast (sensu Vertebrata)](/details-cell/CL0000031) and its functional annotation in nervous system development ([GO:0007399](https://www.ebi.ac.uk/QuickGO/term/GO:0007399)), [PAFAH1B3](/details-gene/5050) may play a critical role in neuronal migration and differentiation by regulating local PAF signaling gradients, which are known to influence cytoskeletal dynamics. 2. The strong association of [PAFAH1B3](/details-gene/5050) with Golgi-to-ER retrograde transport pathways ([R-HSA-8856688](https://reactome.org/content/detail/R-HSA-8856688)) and its expression in secretory cells suggests that its acetylhydrolase activity is essential for maintaining membrane fluidity and integrity within the Golgi, thereby facilitating efficient protein processing and secretion. **Experimental Approach:** To test the hypothesis that [PAFAH1B3](/details-gene/5050) is critical for neuronal migration, one could utilize an *in vitro* model of neurogenesis, such as differentiating human induced pluripotent stem cells (iPSCs) into cortical neurons. A CRISPR-Cas9-mediated knockout of [PAFAH1B3](/details-gene/5050) would be generated in these iPSCs. Following neuronal induction, migration could be quantified using a transwell migration assay (Boyden chamber). Concurrently, immunofluorescence staining for neuronal markers (e.g., MAP2, Tau) and cytoskeletal components (e.g., F-actin) would be used to assess differentiation status and cellular morphology. A rescue experiment involving re-expression of wild-type [PAFAH1B3](/details-gene/5050) would be essential to confirm the specificity of the observed phenotype. **Therapeutic Potential:** As an enzyme, [PAFAH1B3](/details-gene/5050) is a potentially druggable target. Its critical role in fundamental processes like nervous system development and membrane trafficking suggests that systemic inhibition could lead to significant toxicity. However, if its activity is found to be aberrantly high in specific pathologies, such as glioblastoma or other cancers where lipid metabolism and cell migration are dysregulated, it could represent a viable target for inhibition. A therapeutic strategy would require highly specific small molecule inhibitors to minimize off-target effects on related hydrolases and to potentially target the diseased tissue preferentially.

Genular Protein ID: 3019884131

Symbol: PA1B3_HUMAN

Name: PAF acetylhydrolase 29 kDa subunit

UniProtKB Accession Codes:

Database IDs:

Citations:

PubMed ID: 7669037

Title: cDNA cloning of human cytosolic platelet-activating factor acetylhydrolase gamma-subunit and its mRNA expression in human tissues.

PubMed ID: 7669037

DOI: 10.1006/bbrc.1995.2272

PubMed ID: 15057824

Title: The DNA sequence and biology of human chromosome 19.

PubMed ID: 15057824

DOI: 10.1038/nature02399

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: 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: 21269460

Title: Initial characterization of the human central proteome.

PubMed ID: 21269460

DOI: 10.1186/1752-0509-5-17

PubMed ID: 22223895

Title: Comparative large-scale characterisation of plant vs. mammal proteins reveals similar and idiosyncratic N-alpha acetylation features.

PubMed ID: 22223895

DOI: 10.1074/mcp.m111.015131

PubMed ID: 22814378

Title: N-terminal acetylome analyses and functional insights of the N-terminal acetyltransferase NatB.

PubMed ID: 22814378

DOI: 10.1073/pnas.1210303109

PubMed ID: 23186163

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

PubMed ID: 23186163

DOI: 10.1021/pr300630k

PubMed ID: 25944712

Title: N-terminome analysis of the human mitochondrial proteome.

PubMed ID: 25944712

DOI: 10.1002/pmic.201400617

Sequence Information:

  • Length: 231
  • Mass: 25734
  • Checksum: 58A4CB8E7076AE23
  • Sequence:
  • MSGEENPASK PTPVQDVQGD GRWMSLHHRF VADSKDKEPE VVFIGDSLVQ LMHQCEIWRE 
    LFSPLHALNF GIGGDGTQHV LWRLENGELE HIRPKIVVVW VGTNNHGHTA EQVTGGIKAI 
    VQLVNERQPQ ARVVVLGLLP RGQHPNPLRE KNRQVNELVR AALAGHPRAH FLDADPGFVH 
    SDGTISHHDM YDYLHLSRLG YTPVCRALHS LLLRLLAQDQ GQGAPLLEPA P