Details for: PAFAH1B2

Gene ID: 5049

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: PAFAH1B2

Ensembl ID: ENSG00000168092

Description: platelet activating factor acetylhydrolase 1b catalytic subunit 2

Selected Context(s):  Overall

Cell Significance Landscape

Contexts:

Associated with

Significant Cells

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

  • peripheral nervous system neuron CL2000032
    CSI 19.03
    rCSI 25.93%
    PRS 29.05
  • extravillous trophoblast CL0008036
    CSI 12.77
    rCSI 15.8%
    PRS 30.15
  • tracheobronchial smooth muscle cell CL0019019
    CSI 11.51
    rCSI 20.29%
    PRS 41.91
  • group 3 innate lymphoid cell CL0001071
    CSI 10.5
    rCSI 7.89%
    PRS 36.27
  • paneth cell CL0000510
    CSI 8.57
    rCSI 12.66%
    PRS 49.68
  • astrocyte of the cerebral cortex CL0002605
    CSI 8.04
    rCSI 18.02%
    PRS 22.03
  • caudal ganglionic eminence derived cortical interneuron CL4023064
    CSI 5.99
    rCSI 10.58%
    PRS 20.71
  • ciliated cell CL0000064
    CSI 5.62
    rCSI 9.11%
    PRS 33.05
  • neuroendocrine cell CL0000165
    CSI 5.01
    rCSI 19.37%
    PRS 54.21
  • CD14-positive monocyte CL0001054
    CSI 4.66
    rCSI 5.81%
    PRS 44.57
  • enterocyte CL0000584
    CSI 4.56
    rCSI 7.35%
    PRS 44.36
  • inflammatory macrophage CL0000863
    CSI 4.13
    rCSI 7.06%
    PRS 59.84
  • precursor B cell CL0000817
    CSI 4.12
    rCSI 3.61%
    PRS 42.87
  • retinal blood vessel endothelial cell CL0002585
    CSI 4.04
    rCSI 6.46%
    PRS 36.64
  • mature alpha-beta T cell CL0000791
    CSI 4.02
    rCSI 14.54%
    PRS 51.83
  • effector memory CD8-positive, alpha-beta T cell CL0000913
    CSI 3.92
    rCSI 3.57%
    PRS 48.07
  • pancreatic ductal cell CL0002079
    CSI 3.8
    rCSI 7.38%
    PRS 35.08
  • podocyte CL0000653
    CSI 3.77
    rCSI 16.77%
    PRS 32.46
  • epithelial cell CL0000066
    CSI 3.61
    rCSI 5.55%
    PRS 39.13
  • fibroblast of cardiac tissue CL0002548
    CSI 3.61
    rCSI 17.29%
    PRS 31.7
  • CD4-positive, alpha-beta cytotoxic T cell CL0000934
    CSI 3.56
    rCSI 4.89%
    PRS 54.47
  • granulocyte CL0000094
    CSI 3.54
    rCSI 5.42%
    PRS 42.03
  • hematopoietic precursor cell CL0008001
    CSI 3.49
    rCSI 3.59%
    PRS 50.32
  • CD4-positive, alpha-beta thymocyte CL0000810
    CSI 3.47
    rCSI 2.78%
    PRS 54.24
  • GABAergic neuron CL0000617
    CSI 3.37
    rCSI 11.3%
    PRS 25.34
  • central memory CD4-positive, alpha-beta T cell CL0000904
    CSI 3.27
    rCSI 1.93%
    PRS 46.36
  • helper T cell CL0000912
    CSI 3.21
    rCSI 4.54%
    PRS 43.54
  • double negative thymocyte CL0002489
    CSI 3.2
    rCSI 2.22%
    PRS 40.51
  • lung pericyte CL0009089
    CSI 2.99
    rCSI 7.89%
    PRS 39.84
  • glutamatergic neuron CL0000679
    CSI 2.95
    rCSI 6.07%
    PRS 31.11
  • alternatively activated macrophage CL0000890
    CSI 2.85
    rCSI 3.58%
    PRS 46.79
  • neuroblast (sensu Nematoda and Protostomia) CL0000338
    CSI 2.73
    rCSI 3.16%
    PRS 29.54
  • club cell CL0000158
    CSI 2.7
    rCSI 3.96%
    PRS 35.29
  • BEST4+ enteroycte CL4030026
    CSI 2.63
    rCSI 3.28%
    PRS 36.03
  • luminal cell of prostate epithelium CL0002340
    CSI 2.62
    rCSI 14.11%
    PRS 50.21
  • cardiac muscle cell CL0000746
    CSI 2.62
    rCSI 3.76%
    PRS 26.98
  • memory T cell CL0000813
    CSI 2.56
    rCSI 4.94%
    PRS 63.79
  • lung macrophage CL1001603
    CSI 2.5
    rCSI 5.58%
    PRS 39.16
  • early lymphoid progenitor CL0000936
    CSI 2.45
    rCSI 2.15%
    PRS 38.28
  • keratinocyte CL0000312
    CSI 2.42
    rCSI 2.03%
    PRS 38.49
  • pro-B cell CL0000826
    CSI 2.32
    rCSI 1.92%
    PRS 34.29
  • bronchus fibroblast of lung CL2000093
    CSI 2.29
    rCSI 1.86%
    PRS 34.62
  • mucous neck cell CL0000651
    CSI 2.29
    rCSI 3.3%
    PRS 47.52
  • promyelocyte CL0000836
    CSI 2.26
    rCSI 3.25%
    PRS 43.45
  • ciliated epithelial cell CL0000067
    CSI 2.24
    rCSI 1.97%
    PRS 25.08
  • central memory CD8-positive, alpha-beta T cell CL0000907
    CSI 2.21
    rCSI 1.49%
    PRS 41.92
  • pulmonary capillary endothelial cell CL4028001
    CSI 2.21
    rCSI 4.22%
    PRS 49.85
  • vascular leptomeningeal cell CL4023051
    CSI 2.11
    rCSI 3.69%
    PRS 27.33
  • central nervous system neuron CL2000029
    CSI 2.09
    rCSI 15.35%
    PRS 23.88
  • elicited macrophage CL0000861
    CSI 2.04
    rCSI 1.87%
    PRS 39.7
  • mature T cell CL0002419
    CSI 2.03
    rCSI 1.58%
    PRS 48.37
  • conjunctival epithelial cell CL1000432
    CSI 1.99
    rCSI 3.03%
    PRS 34.02
  • chondrocyte CL0000138
    CSI 1.96
    rCSI 3.11%
    PRS 28.56
  • brush cell of tracheobronchial tree CL0002075
    CSI 1.94
    rCSI 5.76%
    PRS 44.38
  • cerebellar granule cell CL0001031
    CSI 1.93
    rCSI 2.84%
    PRS 31.36
  • CD4-positive, alpha-beta memory T cell CL0000897
    CSI 1.93
    rCSI 1.38%
    PRS 44.88
  • sst GABAergic cortical interneuron CL4023017
    CSI 1.91
    rCSI 2.47%
    PRS 22.16
  • lung neuroendocrine cell CL1000223
    CSI 1.9
    rCSI 2.81%
    PRS 38.02
  • Kupffer cell CL0000091
    CSI 1.86
    rCSI 4.24%
    PRS 33.24
  • pulmonary ionocyte CL0017000
    CSI 1.84
    rCSI 2.24%
    PRS 40.71
  • perivascular cell CL4033054
    CSI 1.83
    rCSI 2.5%
    PRS 37.67
  • cerebral cortex endothelial cell CL1001602
    CSI 1.81
    rCSI 3.13%
    PRS 26.29
  • alveolar type 1 fibroblast cell CL4028004
    CSI 1.8
    rCSI 1.97%
    PRS 37.31
  • transit amplifying cell CL0009010
    CSI 1.78
    rCSI 2.73%
    PRS 49.96
  • epithelial cell of lower respiratory tract CL0002632
    CSI 1.77
    rCSI 1.38%
    PRS 33.34
  • cerebral cortex GABAergic interneuron CL0010011
    CSI 1.77
    rCSI 5.22%
    PRS 38.3
  • lung secretory cell CL1000272
    CSI 1.75
    rCSI 4.32%
    PRS 32.02
  • lung interstitial macrophage CL4033043
    CSI 1.74
    rCSI 3.9%
    PRS 55.48
  • goblet cell CL0000160
    CSI 1.69
    rCSI 1.59%
    PRS 34.86
  • radial glial cell CL0000681
    CSI 1.68
    rCSI 2.33%
    PRS 33.92
  • respiratory suprabasal cell CL4033048
    CSI 1.67
    rCSI 2.15%
    PRS 38.19
  • lymphoid lineage restricted progenitor cell CL0000838
    CSI 1.67
    rCSI 6.49%
    PRS 52.7
  • retinal pigment epithelial cell CL0002586
    CSI 1.66
    rCSI 3.29%
    PRS 34.03
  • hepatic stellate cell CL0000632
    CSI 1.64
    rCSI 6.14%
    PRS 28.72
  • mature B cell CL0000785
    CSI 1.63
    rCSI 1.42%
    PRS 41.67
  • rod bipolar cell CL0000751
    CSI 1.61
    rCSI 2.9%
    PRS 28.5
  • fallopian tube secretory epithelial cell CL4030006
    CSI 1.6
    rCSI 1.54%
    PRS 34.6
  • glandular epithelial cell CL0000150
    CSI 1.58
    rCSI 4.17%
    PRS 56.85
  • M cell of gut CL0000682
    CSI 1.57
    rCSI 1.67%
    PRS 49.59
  • fibroblast of lung CL0002553
    CSI 1.56
    rCSI 1.46%
    PRS 33.53
  • chandelier pvalb GABAergic cortical interneuron CL4023036
    CSI 1.56
    rCSI 4.87%
    PRS 24.27
  • duct epithelial cell CL0000068
    CSI 1.55
    rCSI 2.26%
    PRS 35.95
  • foveolar cell of stomach CL0002179
    CSI 1.53
    rCSI 3.26%
    PRS 48.55
  • interneuron CL0000099
    CSI 1.52
    rCSI 3.06%
    PRS 25.64
  • pancreatic A cell CL0000171
    CSI 1.52
    rCSI 1.59%
    PRS 35.68
  • basal cell of prostate epithelium CL0002341
    CSI 1.51
    rCSI 4.37%
    PRS 55.07
  • regular atrial cardiac myocyte CL0002129
    CSI 1.5
    rCSI 4.82%
    PRS 34.23
  • renal alpha-intercalated cell CL0005011
    CSI 1.49
    rCSI 2%
    PRS 41.28
  • myeloid leukocyte CL0000766
    CSI 1.49
    rCSI 1.38%
    PRS 34.88
  • pancreatic D cell CL0000173
    CSI 1.49
    rCSI 1.47%
    PRS 35.86
  • plasmacytoid dendritic cell, human CL0001058
    CSI 1.49
    rCSI 1.04%
    PRS 35.39
  • kidney interstitial alternatively activated macrophage CL1000695
    CSI 1.49
    rCSI 3.87%
    PRS 32.92
  • neural crest cell CL0011012
    CSI 1.48
    rCSI 1.17%
    PRS 23.85
  • retinal bipolar neuron CL0000748
    CSI 1.47
    rCSI 2.76%
    PRS 25.66
  • renal interstitial pericyte CL1001318
    CSI 1.47
    rCSI 4.06%
    PRS 31.68
  • enteroendocrine cell CL0000164
    CSI 1.47
    rCSI 2%
    PRS 36.38
  • stem cell CL0000034
    CSI 1.46
    rCSI 1.41%
    PRS 26
  • granulocyte monocyte progenitor cell CL0000557
    CSI 1.46
    rCSI 1.26%
    PRS 37.18
  • lung endothelial cell CL1001567
    CSI 1.46
    rCSI 3.39%
    PRS 61.53
  • multi-ciliated epithelial cell CL0005012
    CSI 1.45
    rCSI 1.45%
    PRS 29.02
  • pluripotent stem cell CL0002248
    CSI 0.2
    rCSI 4.4%
    PRS 59.0%
  • indirect pathway medium spiny neuron CL4023029
    CSI 0.2
    rCSI 4.4%
    PRS 21.7%
  • direct pathway medium spiny neuron CL4023026
    CSI 0.2
    rCSI 4.7%
    PRS 20.9%
  • mesenchymal stem cell CL0000134
    CSI 0.2
    rCSI 2.4%
    PRS 51.0%
  • type EC enteroendocrine cell CL0000577
    CSI 0.2
    rCSI 0.9%
    PRS 47.9%
  • CD14-positive, CD16-negative classical monocyte CL0002057
    CSI 0.3
    rCSI 1.5%
    PRS 60.4%
  • regular ventricular cardiac myocyte CL0002131
    CSI 0.3
    rCSI 1.6%
    PRS 27.9%
  • corticothalamic-projecting glutamatergic cortical neuron CL4023013
    CSI 0.3
    rCSI 1.6%
    PRS 22.6%
  • L4 intratelencephalic projecting glutamatergic neuron CL4030063
    CSI 0.3
    rCSI 0.7%
    PRS 25.5%
  • Cajal-Retzius cell CL0000695
    CSI 0.3
    rCSI 2.2%
    PRS 53.1%
  • stromal cell of ovary CL0002132
    CSI 0.3
    rCSI 0.8%
    PRS 49.6%
  • type B pancreatic cell CL0000169
    CSI 0.3
    rCSI 0.7%
    PRS 31.3%
  • endothelial cell of placenta CL0009092
    CSI 0.3
    rCSI 1.7%
    PRS 43.9%
  • megakaryocyte CL0000556
    CSI 0.3
    rCSI 1.5%
    PRS 50.3%
  • pancreatic stellate cell CL0002410
    CSI 0.3
    rCSI 2.0%
    PRS 45.1%
  • enteroglial cell CL4040002
    CSI 0.4
    rCSI 2.0%
    PRS 44.8%
  • colon macrophage CL0009038
    CSI 0.4
    rCSI 1.8%
    PRS 57.1%
  • forebrain radial glial cell CL0013000
    CSI 0.4
    rCSI 1.3%
    PRS 42.4%
  • colon goblet cell CL0009039
    CSI 0.4
    rCSI 1.0%
    PRS 46.1%
  • erythroid progenitor cell CL0000038
    CSI 0.4
    rCSI 2.5%
    PRS 44.9%
  • L5 extratelencephalic projecting glutamatergic cortical neuron CL4023041
    CSI 0.4
    rCSI 1.6%
    PRS 20.4%
  • mesenchymal cell CL0008019
    CSI 0.5
    rCSI 1.3%
    PRS 31.6%
  • microcirculation associated smooth muscle cell CL0008035
    CSI 0.5
    rCSI 1.5%
    PRS 36.6%
  • myeloid lineage restricted progenitor cell CL0000839
    CSI 0.5
    rCSI 2.7%
    PRS 57.2%
  • megakaryocyte-erythroid progenitor cell CL0000050
    CSI 0.5
    rCSI 0.5%
    PRS 31.0%
  • near-projecting glutamatergic cortical neuron CL4023012
    CSI 0.5
    rCSI 2.0%
    PRS 22.3%
  • L6b glutamatergic cortical neuron CL4023038
    CSI 0.6
    rCSI 1.9%
    PRS 22.4%
  • squamous epithelial cell CL0000076
    CSI 0.6
    rCSI 1.5%
    PRS 39.4%
  • colonocyte CL1000347
    CSI 0.6
    rCSI 0.9%
    PRS 41.6%
  • progenitor cell CL0011026
    CSI 0.7
    rCSI 1.4%
    PRS 41.4%
  • syncytiotrophoblast cell CL0000525
    CSI 0.7
    rCSI 1.9%
    PRS 52.4%
  • endocardial cell CL0002350
    CSI 0.7
    rCSI 3.2%
    PRS 37.3%
  • choroid plexus epithelial cell CL0000706
    CSI 0.7
    rCSI 1.1%
    PRS 26.5%
  • endothelial cell of uterus CL0009095
    CSI 0.7
    rCSI 4.9%
    PRS 63.7%
  • deuterosomal cell CL4033044
    CSI 0.7
    rCSI 2.3%
    PRS 45.3%
  • Bergmann glial cell CL0000644
    CSI 0.7
    rCSI 1.0%
    PRS 32.2%
  • transitional stage B cell CL0000818
    CSI 0.7
    rCSI 2.3%
    PRS 68.1%
  • retinal ganglion cell CL0000740
    CSI 0.7
    rCSI 1.6%
    PRS 24.7%
  • intestinal tuft cell CL0019032
    CSI 0.7
    rCSI 1.1%
    PRS 37.9%
  • neural progenitor cell CL0011020
    CSI 0.7
    rCSI 3.2%
    PRS 29.3%
  • intestinal crypt stem cell of small intestine CL0009017
    CSI 0.7
    rCSI 2.0%
    PRS 42.3%
  • mammary gland epithelial cell CL0002327
    CSI 0.8
    rCSI 2.6%
    PRS 50.1%
  • hematopoietic multipotent progenitor cell CL0000837
    CSI 0.8
    rCSI 1.8%
    PRS 50.1%
  • retinal cone cell CL0000573
    CSI 0.8
    rCSI 1.2%
    PRS 26.4%
  • L2/3 intratelencephalic projecting glutamatergic neuron CL4030059
    CSI 0.8
    rCSI 1.7%
    PRS 26.5%
  • intermediate monocyte CL0002393
    CSI 0.8
    rCSI 1.2%
    PRS 34.9%
  • respiratory goblet cell CL0002370
    CSI 0.8
    rCSI 8.8%
    PRS 55.1%
  • common myeloid progenitor CL0000049
    CSI 0.8
    rCSI 0.7%
    PRS 34.0%
  • sncg GABAergic cortical interneuron CL4023015
    CSI 0.8
    rCSI 1.3%
    PRS 23.3%
  • hematopoietic stem cell CL0000037
    CSI 0.8
    rCSI 0.6%
    PRS 38.1%
  • lamp5 GABAergic cortical interneuron CL4023011
    CSI 0.9
    rCSI 1.5%
    PRS 21.4%
  • pulmonary artery endothelial cell CL1001568
    CSI 0.9
    rCSI 1.2%
    PRS 46.3%
  • interstitial cell of Cajal CL0002088
    CSI 0.9
    rCSI 1.1%
    PRS 38.3%
  • promonocyte CL0000559
    CSI 0.9
    rCSI 1.5%
    PRS 42.8%
  • natural T-regulatory cell CL0000903
    CSI 0.9
    rCSI 1.7%
    PRS 69.4%
  • glioblast CL0000030
    CSI 0.9
    rCSI 1.4%
    PRS 28.9%
  • basal cell CL0000646
    CSI 0.9
    rCSI 1.2%
    PRS 35.6%
  • pancreatic PP cell CL0002275
    CSI 0.9
    rCSI 3.7%
    PRS 49.7%
  • Hofbauer cell CL3000001
    CSI 0.9
    rCSI 1.8%
    PRS 42.3%
  • ionocyte CL0005006
    CSI 0.9
    rCSI 1.0%
    PRS 31.6%
  • L2/3-6 intratelencephalic projecting glutamatergic neuron CL4023040
    CSI 1.0
    rCSI 2.3%
    PRS 20.8%
  • CD14-low, CD16-positive monocyte CL0002396
    CSI 1.0
    rCSI 0.7%
    PRS 32.1%
  • epithelial cell of proximal tubule CL0002306
    CSI 1.0
    rCSI 2.4%
    PRS 31.6%
  • myeloid dendritic cell CL0000782
    CSI 1.0
    rCSI 1.4%
    PRS 48.5%
  • periportal region hepatocyte CL0019026
    CSI 1.0
    rCSI 3.9%
    PRS 43.5%
  • epicardial adipocyte CL1000309
    CSI 1.0
    rCSI 3.3%
    PRS 37.1%
  • acinar cell CL0000622
    CSI 1.0
    rCSI 1.5%
    PRS 43.3%
  • renal beta-intercalated cell CL0002201
    CSI 1.0
    rCSI 2.4%
    PRS 36.9%
  • VIP GABAergic cortical interneuron CL4023016
    CSI 1.0
    rCSI 1.3%
    PRS 21.3%
  • inhibitory interneuron CL0000498
    CSI 1.1
    rCSI 2.4%
    PRS 27.9%
  • kidney connecting tubule epithelial cell CL1000768
    CSI 1.1
    rCSI 2.7%
    PRS 26.4%
  • dendritic cell, human CL0001056
    CSI 1.1
    rCSI 1.6%
    PRS 39.6%
  • alveolar macrophage CL0000583
    CSI 1.1
    rCSI 1.7%
    PRS 38.6%
  • hepatocyte CL0000182
    CSI 1.1
    rCSI 1.9%
    PRS 32.0%
  • small intestine goblet cell CL1000495
    CSI 1.1
    rCSI 2.4%
    PRS 43.1%
  • enteric smooth muscle cell CL0002504
    CSI 1.1
    rCSI 1.6%
    PRS 36.3%
  • dopaminergic neuron CL0000700
    CSI 1.1
    rCSI 6.2%
    PRS 22.7%
  • corneal epithelial cell CL0000575
    CSI 1.1
    rCSI 3.2%
    PRS 51.8%
  • enteroendocrine cell of small intestine CL0009006
    CSI 1.1
    rCSI 2.4%
    PRS 47.8%
  • alveolar adventitial fibroblast CL4028006
    CSI 1.1
    rCSI 1.8%
    PRS 34.4%
  • mononuclear phagocyte CL0000113
    CSI 1.2
    rCSI 2.6%
    PRS 37.5%
  • common dendritic progenitor CL0001029
    CSI 1.2
    rCSI 1.5%
    PRS 42.3%
  • retina horizontal cell CL0000745
    CSI 1.2
    rCSI 1.8%
    PRS 31.3%
  • pancreatic acinar cell CL0002064
    CSI 1.2
    rCSI 1.6%
    PRS 37.2%
  • amacrine cell CL0000561
    CSI 1.2
    rCSI 3.4%
    PRS 27.2%
  • neuroblast (sensu Vertebrata) CL0000031
    CSI 1.2
    rCSI 1.5%
    PRS 32.3%
  • cerebral cortex neuron CL0010012
    CSI 1.2
    rCSI 4.8%
    PRS 33.3%
  • colon epithelial cell CL0011108
    CSI 1.2
    rCSI 1.3%
    PRS 31.5%
  • erythroblast CL0000765
    CSI 1.2
    rCSI 3.2%
    PRS 47.0%
  • respiratory hillock cell CL4030023
    CSI 1.2
    rCSI 2.2%
    PRS 49.7%
  • respiratory basal cell CL0002633
    CSI 1.2
    rCSI 1.3%
    PRS 39.1%
  • kidney epithelial cell CL0002518
    CSI 1.2
    rCSI 2.3%
    PRS 57.7%
  • lung ciliated cell CL1000271
    CSI 1.2
    rCSI 1.4%
    PRS 25.7%
  • CD1c-positive myeloid dendritic cell CL0002399
    CSI 1.2
    rCSI 1.5%
    PRS 40.1%
  • luminal epithelial cell of mammary gland CL0002326
    CSI 1.2
    rCSI 2.2%
    PRS 48.9%
  • cardiac endothelial cell CL0010008
    CSI 1.2
    rCSI 5.0%
    PRS 32.7%
  • kidney loop of Henle thin ascending limb epithelial cell CL1001107
    CSI 1.2
    rCSI 3.2%
    PRS 31.0%
  • erythrocyte CL0000232
    CSI 1.3
    rCSI 2.8%
    PRS 40.1%
  • mesodermal cell CL0000222
    CSI 1.3
    rCSI 1.5%
    PRS 32.4%
  • epithelial cell of lung CL0000082
    CSI 1.3
    rCSI 1.1%
    PRS 32.2%

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 [PAFAH1B2](/details-gene/5049) encodes the platelet-activating factor acetylhydrolase 1b catalytic subunit 2, a 30 kDa protein that plays a crucial role in lipid metabolism. Its primary function is the enzymatic inactivation of platelet-activating factor (PAF), a potent pro-inflammatory phospholipid mediator, through its 1-alkyl-2-acetylglycerophosphocholine esterase activity ([GO:0003847](https://www.ebi.ac.uk/QuickGO/term/GO:0003847)). Expression data reveals its significance across a diverse range of cell types, with particularly high relevance in the nervous system, where it is a top marker in [peripheral nervous system neurons](/details-cell/CL2000032). It also shows prominent expression in specialized epithelial and immune cells, including [extravillous trophoblasts](/details-cell/CL0008036), [group 3 innate lymphoid cells](/details-cell/CL0001071), and [paneth cells](/details-cell/CL0000510), suggesting multifaceted roles in neuronal function, maternal-fetal tolerance, and innate immunity. Clinically, it is associated with OMIM entry [602508](https://omim.org/entry/602508). ## Cellular Roles and Expression Landscape The expression profile of [PAFAH1B2](/details-gene/5049) indicates its importance in a wide variety of cellular contexts, spanning the nervous, immune, and reproductive systems. **Overall**, the gene shows the highest significance in [peripheral nervous system neurons](/details-cell/CL2000032) (CSI: 19.03), suggesting a fundamental role in neuronal lipid signaling or membrane dynamics. This is consistent with its known interaction with LIS1, a protein critical for neurodevelopment and dynein regulation ([Link](https://doi.org/10.1016/j.neuron.2004.11.019)). High significance is also observed in highly specialized cells such as [extravillous trophoblasts](/details-cell/CL0008036) (CSI: 12.77), which are vital for placental implantation, and [paneth cells](/details-cell/CL0000510) (CSI: 8.57), which are key secretory cells in the small intestine. Furthermore, its role in spermatogenesis ([GO:0007283](https://www.ebi.ac.uk/QuickGO/term/GO:0007283)) is supported by reports of specific isoforms in human testis ([Link](https://doi.org/10.1016/j.prostaglandins.2007.10.005)). In the immune system, [PAFAH1B2](/details-gene/5049) demonstrates notable significance in both innate and adaptive lineages. It is a key marker for [group 3 innate lymphoid cells](/details-cell/CL0001071) (CSI: 10.50) and is also significantly expressed in myeloid cells like [CD14-positive monocytes](/details-cell/CL0001054) (CSI: 4.66) and [inflammatory macrophages](/details-cell/CL0000863) (CSI: 4.13), as well as lymphoid cells such as [precursor B cells](/details-cell/CL0000817) (CSI: 4.12) and [mature alpha-beta T cells](/details-cell/CL0000791) (CSI: 4.02). This broad immune expression, consistent with early tissue distribution studies ([Link](https://doi.org/10.1006/bbrc.1997.6383)), underscores its general role in regulating inflammatory responses by degrading PAF. ## Pathways and Molecular Function The molecular functions of [PAFAH1B2](/details-gene/5049) are centered on lipid catabolism and protein-protein interactions. Its defining activity is the hydrolysis of PAF, placing it within the `Lipid catabolic process` ([GO:0016042](https://www.ebi.ac.uk/QuickGO/term/GO:0016042)). This enzymatic function is a key control point in inflammation, directly linking it to the `Innate immune system` ([R-HSA-168249](https://reactome.org/content/detail/R-HSA-168249)) and more specifically to processes like `Neutrophil degranulation` ([R-HSA-6798695](https://reactome.org/content/detail/R-HSA-6798695)), where PAF is a known signaling molecule. Beyond its enzymatic role, [PAFAH1B2](/details-gene/5049) participates in several fundamental cellular processes, primarily through protein binding ([GO:0005515](https://www.ebi.ac.uk/QuickGO/term/GO:0005515)) and heterodimerization ([GO:0046982](https://www.ebi.ac.uk/QuickGO/term/GO:0046982)). Its involvement in multiple Reactome pathways related to `Vesicle-mediated transport` ([R-HSA-5653656](https://reactome.org/content/detail/R-HSA-5653656)), including `Golgi-to-er retrograde transport` ([R-HSA-8856688](https://reactome.org/content/detail/R-HSA-8856688)), suggests a broader role in intracellular trafficking. This function may be linked to its interaction with other proteins to form complexes, as indicated by its localization to the `1-alkyl-2-acetylglycerophosphocholine esterase complex` ([GO:0008247](https://www.ebi.ac.uk/QuickGO/term/GO:0008247)) and its presence in the cytoplasm and cytosol. The gene's product is also found in extracellular exosomes ([GO:0070062](https://www.ebi.ac.uk/QuickGO/term/GO:0070062)), implying a potential role in intercellular communication. ## Research Directions The diverse expression pattern and dual functions in enzymatic activity and protein scaffolding present several avenues for future investigation into [PAFAH1B2](/details-gene/5049). **Proposed Hypotheses:** 1. Given its exceptionally high significance in [peripheral nervous system neurons](/details-cell/CL2000032) and its known interaction with the neurodevelopmental protein LIS1, dysregulation of [PAFAH1B2](/details-gene/5049) may contribute to neuroinflammatory or neurodegenerative diseases by altering lipid signaling and dynein-mediated axonal transport, leading to synaptic dysfunction. 2. The high expression of [PAFAH1B2](/details-gene/5049) in [extravillous trophoblasts](/details-cell/CL0008036) suggests it is a critical regulator of the inflammatory environment at the maternal-fetal interface. Its activity may be essential for preventing PAF-mediated immune rejection of the semi-allogeneic fetus and for controlling trophoblast invasion, with insufficient activity potentially contributing to pathologies like pre-eclampsia. 3. In the context of the `Innate immune system` ([R-HSA-168249](https://reactome.org/content/detail/R-HSA-168249)), [PAFAH1B2](/details-gene/5049) may function as a key rheostat controlling the activation threshold of cells like [inflammatory macrophages](/details-cell/CL0000863) and [group 3 innate lymphoid cells](/details-cell/CL0001071). By degrading local PAF, it could prevent excessive cell activation and cytokine release during infection or tissue damage. **Suggested Experimental Approach:** To test the first hypothesis regarding the role of [PAFAH1B2](/details-gene/5049) in neuronal health, one could utilize an in-vitro model of human neurons derived from induced pluripotent stem cells (iPSCs). Using CRISPR-Cas9 to knock out [PAFAH1B2](/details-gene/5049), researchers could then assess key neuronal functions. Live-cell imaging of fluorescently-tagged synaptic vesicle proteins (e.g., synaptophysin-GFP) would reveal deficits in axonal transport. Furthermore, challenging these knockout neurons with inflammatory stimuli (e.g., lipopolysaccharide) and subsequently performing lipidomics by mass spectrometry would quantify their ability to degrade PAF and control downstream inflammatory signaling cascades. **Therapeutic Potential:** As an enzyme that catabolizes a potent pro-inflammatory mediator, [PAFAH1B2](/details-gene/5049) represents a potential therapeutic target for **activation or augmentation**. In conditions characterized by hyperinflammation, such as sepsis, acute respiratory distress syndrome (ARDS), or certain autoimmune diseases, enhancing the activity of [PAFAH1B2](/details-gene/5049) with small molecule activators could serve as a novel anti-inflammatory strategy. However, its broad and high expression in critical non-immune cells like neurons necessitates caution. A successful therapeutic approach would likely require targeted drug delivery to inflamed tissues to avoid potential neurotoxicity or other off-target effects.

Genular Protein ID: 3549328308

Symbol: PA1B2_HUMAN

Name: PAF acetylhydrolase 30 kDa subunit

UniProtKB Accession Codes:

Database IDs:

Citations:

PubMed ID: 9144386

Title: Differential tissue distribution of the beta- and gamma-subunits of human cytosolic platelet-activating factor acetylhydrolase (isoform I).

PubMed ID: 9144386

DOI: 10.1006/bbrc.1997.6383

PubMed ID: 18155631

Title: Novel isoforms of intracellular platelet activating factor acetylhydrolase (PAFAH1b2) in human testis; encoded by alternatively spliced mRNAs.

PubMed ID: 18155631

DOI: 10.1016/j.prostaglandins.2007.10.005

PubMed ID: 14702039

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

PubMed ID: 14702039

DOI: 10.1038/ng1285

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: 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: 21406692

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

PubMed ID: 21406692

DOI: 10.1126/scisignal.2001570

PubMed ID: 23186163

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

PubMed ID: 23186163

DOI: 10.1021/pr300630k

PubMed ID: 15572112

Title: Coupling PAF signaling to dynein regulation: structure of LIS1 in complex with PAF-acetylhydrolase.

PubMed ID: 15572112

DOI: 10.1016/j.neuron.2004.11.019

Sequence Information:

  • Length: 229
  • Mass: 25569
  • Checksum: 14CF5D48621AA504
  • Sequence:
  • MSQGDSNPAA IPHAAEDIQG DDRWMSQHNR FVLDCKDKEP DVLFVGDSMV QLMQQYEIWR 
    ELFSPLHALN FGIGGDTTRH VLWRLKNGEL ENIKPKVIVV WVGTNNHENT AEEVAGGIEA 
    IVQLINTRQP QAKIIVLGLL PRGEKPNPLR QKNAKVNQLL KVSLPKLANV QLLDTDGGFV 
    HSDGAISCHD MFDFLHLTGG GYAKICKPLH ELIMQLLEET PEEKQTTIA