Details for: PABPC1

Gene ID: 26986

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: PABPC1

Ensembl ID: ENSG00000070756

Description: poly(A) binding protein cytoplasmic 1

Selected Context(s):  Overall

Cell Significance Landscape

Contexts:

Associated with

Significant Cells

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

  • hematopoietic stem cell CL0000037
    CSI 145.35
    rCSI 96.61%
    PRS 1.93
  • central memory CD8-positive, alpha-beta T cell CL0000907
    CSI 138.75
    rCSI 93.48%
    PRS 1.96
  • plasmacytoid dendritic cell, human CL0001058
    CSI 127.9
    rCSI 89.3%
    PRS 1.71
  • CD14-low, CD16-positive monocyte CL0002396
    CSI 124.73
    rCSI 96.1%
    PRS 1.46
  • naive thymus-derived CD8-positive, alpha-beta T cell CL0000900
    CSI 124.6
    rCSI 87.51%
    PRS 4.96
  • group 3 innate lymphoid cell CL0001071
    CSI 123.19
    rCSI 92.56%
    PRS 1.67
  • CD4-positive, alpha-beta memory T cell CL0000897
    CSI 118.58
    rCSI 85.12%
    PRS 2.21
  • central memory CD4-positive, alpha-beta T cell CL0000904
    CSI 118.22
    rCSI 69.82%
    PRS 2.27
  • CD16-negative, CD56-bright natural killer cell, human CL0000938
    CSI 118.16
    rCSI 88.6%
    PRS 4.9
  • common myeloid progenitor CL0000049
    CSI 117.23
    rCSI 94.79%
    PRS 1.59
  • class switched memory B cell CL0000972
    CSI 116.34
    rCSI 86.85%
    PRS 2.75
  • CD4-positive helper T cell CL0000492
    CSI 115.13
    rCSI 87.09%
    PRS 2.27
  • double negative thymocyte CL0002489
    CSI 114.26
    rCSI 79.44%
    PRS 1.89
  • immature B cell CL0000816
    CSI 110.88
    rCSI 82.38%
    PRS 2.42
  • T follicular helper cell CL0002038
    CSI 109.16
    rCSI 81.69%
    PRS 2.66
  • granulocyte monocyte progenitor cell CL0000557
    CSI 106.33
    rCSI 92.07%
    PRS 1.81
  • naive T cell CL0000898
    CSI 105.65
    rCSI 73.52%
    PRS 2.37
  • megakaryocyte-erythroid progenitor cell CL0000050
    CSI 105.07
    rCSI 94.88%
    PRS 1.43
  • CD16-positive, CD56-dim natural killer cell, human CL0000939
    CSI 104.97
    rCSI 69.96%
    PRS 4.61
  • myeloid leukocyte CL0000766
    CSI 104.59
    rCSI 96.5%
    PRS 1.64
  • epithelial cell of lung CL0000082
    CSI 103.91
    rCSI 86.14%
    PRS 1.51
  • naive B cell CL0000788
    CSI 103.8
    rCSI 89.03%
    PRS 5.28
  • mature B cell CL0000785
    CSI 102.89
    rCSI 89.44%
    PRS 2
  • keratinocyte CL0000312
    CSI 102.15
    rCSI 85.62%
    PRS 1.95
  • epithelial cell of lower respiratory tract CL0002632
    CSI 100.95
    rCSI 78.26%
    PRS 1.55
  • small pre-B-II cell CL0000954
    CSI 98.24
    rCSI 94.48%
    PRS 3.55
  • early lymphoid progenitor CL0000936
    CSI 97.39
    rCSI 85.54%
    PRS 1.81
  • mucosal invariant T cell CL0000940
    CSI 95.24
    rCSI 76.95%
    PRS 4.26
  • T-helper 17 cell CL0000899
    CSI 91.6
    rCSI 72.73%
    PRS 2.89
  • memory B cell CL0000787
    CSI 91.51
    rCSI 90.37%
    PRS 7.21
  • pro-B cell CL0000826
    CSI 91.35
    rCSI 75.65%
    PRS 1.62
  • precursor B cell CL0000817
    CSI 90.99
    rCSI 79.7%
    PRS 2.19
  • double-positive, alpha-beta thymocyte CL0000809
    CSI 89.43
    rCSI 91.15%
    PRS 2.36
  • CD4-positive, alpha-beta thymocyte CL0000810
    CSI 87.62
    rCSI 70.18%
    PRS 3.04
  • plasmablast CL0000980
    CSI 86.9
    rCSI 68.37%
    PRS 1.93
  • hematopoietic precursor cell CL0008001
    CSI 86.1
    rCSI 88.58%
    PRS 2.58
  • mature T cell CL0002419
    CSI 85.48
    rCSI 66.49%
    PRS 2.33
  • secretory cell CL0000151
    CSI 85.33
    rCSI 89.04%
    PRS 1.66
  • unswitched memory B cell CL0000970
    CSI 85.26
    rCSI 71.73%
    PRS 2.74
  • stem cell CL0000034
    CSI 83.77
    rCSI 80.77%
    PRS 0.41
  • intestinal epithelial cell CL0002563
    CSI 82.71
    rCSI 86.44%
    PRS 1.75
  • bronchus fibroblast of lung CL2000093
    CSI 81.9
    rCSI 66.55%
    PRS 1.69
  • fallopian tube secretory epithelial cell CL4030006
    CSI 81.13
    rCSI 78.1%
    PRS 1.69
  • CD8-positive, alpha-beta memory T cell CL0000909
    CSI 80.16
    rCSI 83.72%
    PRS 5.24
  • skin fibroblast CL0002620
    CSI 79.42
    rCSI 68.47%
    PRS 2.72
  • activated CD4-positive, alpha-beta T cell CL0000896
    CSI 79.16
    rCSI 73.18%
    PRS 2.98
  • neural crest cell CL0011012
    CSI 77.84
    rCSI 61.53%
    PRS 1.13
  • elicited macrophage CL0000861
    CSI 77.4
    rCSI 71.07%
    PRS 1.85
  • effector CD8-positive, alpha-beta T cell CL0001050
    CSI 76.58
    rCSI 58.25%
    PRS 2.15
  • intestine goblet cell CL0019031
    CSI 75.63
    rCSI 67.13%
    PRS 1.63
  • colon epithelial cell CL0011108
    CSI 75.36
    rCSI 78.94%
    PRS 1.52
  • transit amplifying cell of colon CL0009011
    CSI 74.68
    rCSI 87.71%
    PRS 1.98
  • nasal mucosa goblet cell CL0002480
    CSI 74.49
    rCSI 86.39%
    PRS 2.43
  • CD1c-positive myeloid dendritic cell CL0002399
    CSI 74.41
    rCSI 89.88%
    PRS 1.86
  • respiratory basal cell CL0002633
    CSI 73.87
    rCSI 76.52%
    PRS 1.9
  • fraction A pre-pro B cell CL0002045
    CSI 73.12
    rCSI 83.71%
    PRS 3.38
  • gamma-delta T cell CL0000798
    CSI 73.12
    rCSI 85.88%
    PRS 16.53
  • conventional dendritic cell CL0000990
    CSI 70.57
    rCSI 58.91%
    PRS 5.45
  • naive thymus-derived CD4-positive, alpha-beta T cell CL0000895
    CSI 70.3
    rCSI 88.34%
    PRS 8.96
  • CD14-positive monocyte CL0001054
    CSI 70.06
    rCSI 87.26%
    PRS 2.4
  • respiratory suprabasal cell CL4033048
    CSI 69.13
    rCSI 88.66%
    PRS 1.88
  • goblet cell CL0000160
    CSI 68.13
    rCSI 64.38%
    PRS 1.7
  • activated CD8-positive, alpha-beta T cell CL0000906
    CSI 67.87
    rCSI 66.71%
    PRS 4.86
  • multi-ciliated epithelial cell CL0005012
    CSI 67.7
    rCSI 67.56%
    PRS 1.36
  • myeloid dendritic cell CL0000782
    CSI 67.19
    rCSI 97.34%
    PRS 2.38
  • ciliated epithelial cell CL0000067
    CSI 66.77
    rCSI 58.71%
    PRS 1.18
  • common dendritic progenitor CL0001029
    CSI 65.95
    rCSI 82.76%
    PRS 2.06
  • mature NK T cell CL0000814
    CSI 63.67
    rCSI 81.44%
    PRS 7.56
  • CD4-positive, alpha-beta T cell CL0000624
    CSI 63.66
    rCSI 81.47%
    PRS 35.42
  • effector memory CD4-positive, alpha-beta T cell CL0000905
    CSI 63.63
    rCSI 86.68%
    PRS 4.08
  • promyelocyte CL0000836
    CSI 61.66
    rCSI 88.93%
    PRS 2.25
  • classical monocyte CL0000860
    CSI 61.43
    rCSI 91.07%
    PRS 19.43
  • M cell of gut CL0000682
    CSI 61.31
    rCSI 65.15%
    PRS 2.96
  • intermediate monocyte CL0002393
    CSI 61.18
    rCSI 92.32%
    PRS 1.59
  • dendritic cell, human CL0001056
    CSI 60.93
    rCSI 93.58%
    PRS 1.88
  • pancreatic acinar cell CL0002064
    CSI 60.76
    rCSI 80.75%
    PRS 1.78
  • mucous neck cell CL0000651
    CSI 59.5
    rCSI 85.76%
    PRS 2.64
  • pancreatic D cell CL0000173
    CSI 59.49
    rCSI 58.51%
    PRS 1.8
  • melanocyte CL0000148
    CSI 59.44
    rCSI 44.02%
    PRS 1.55
  • dendritic cell CL0000451
    CSI 58.66
    rCSI 72.28%
    PRS 5.39
  • extravillous trophoblast CL0008036
    CSI 58.29
    rCSI 72.11%
    PRS 1.43
  • mesodermal cell CL0000222
    CSI 57.79
    rCSI 69.37%
    PRS 1.62
  • Kupffer cell CL0000091
    CSI 57.44
    rCSI 100%
    PRS 1.57
  • Langerhans cell CL0000453
    CSI 57
    rCSI 87.06%
    PRS 2.85
  • plasmacytoid dendritic cell CL0000784
    CSI 56.81
    rCSI 57.54%
    PRS 10.89
  • conjunctival epithelial cell CL1000432
    CSI 56.69
    rCSI 86.58%
    PRS 1.65
  • duct epithelial cell CL0000068
    CSI 56.38
    rCSI 82.49%
    PRS 1.72
  • BEST4+ enteroycte CL4030026
    CSI 56.09
    rCSI 69.76%
    PRS 1.74
  • epithelial cell CL0000066
    CSI 55.64
    rCSI 85.5%
    PRS 2.36
  • non-classical monocyte CL0000875
    CSI 55.5
    rCSI 88.95%
    PRS 5.39
  • myofibroblast cell CL0000186
    CSI 55.08
    rCSI 76.29%
    PRS 2.34
  • mononuclear phagocyte CL0000113
    CSI 54.74
    rCSI 100%
    PRS 1.77
  • lung ciliated cell CL1000271
    CSI 54.67
    rCSI 63.22%
    PRS 1.18
  • promonocyte CL0000559
    CSI 54.61
    rCSI 93.55%
    PRS 2.17
  • alternatively activated macrophage CL0000890
    CSI 54.12
    rCSI 68.04%
    PRS 2.5
  • fibroblast of lung CL0002553
    CSI 53.49
    rCSI 49.78%
    PRS 1.62
  • club cell CL0000158
    CSI 53.47
    rCSI 78.32%
    PRS 1.92
  • B cell CL0000236
    CSI 53.4
    rCSI 71.45%
    PRS 9.99
  • acinar cell CL0000622
    CSI 53.07
    rCSI 77.82%
    PRS 2.15
  • mucus secreting cell CL0000319
    CSI 52.9
    rCSI 84.02%
    PRS 2.13
  • retinal bipolar neuron CL0000748
    CSI -32.5
    rCSI -60.9%
    PRS 1.4%
  • astrocyte of the cerebral cortex CL0002605
    CSI -25.9
    rCSI -58.0%
    PRS 1.1%
  • kidney interstitial alternatively activated macrophage CL1000695
    CSI -25.8
    rCSI -67.2%
    PRS 2.0%
  • neural cell CL0002319
    CSI -24.3
    rCSI -91.5%
    PRS 3.9%
  • lamp5 GABAergic cortical interneuron CL4023011
    CSI -22.9
    rCSI -38.5%
    PRS 1.1%
  • chandelier pvalb GABAergic cortical interneuron CL4023036
    CSI -21.9
    rCSI -68.5%
    PRS 1.3%
  • cerebral cortex neuron CL0010012
    CSI -21.0
    rCSI -85.7%
    PRS 2.3%
  • endocardial cell CL0002350
    CSI -18.9
    rCSI -90.6%
    PRS 2.9%
  • vascular leptomeningeal cell CL4023051
    CSI -18.3
    rCSI -32.1%
    PRS 1.4%
  • midzonal region hepatocyte CL0019028
    CSI -16.1
    rCSI -37.7%
    PRS 3.0%
  • inhibitory interneuron CL0000498
    CSI -15.6
    rCSI -35.9%
    PRS 1.7%
  • sncg GABAergic cortical interneuron CL4023015
    CSI -13.5
    rCSI -21.8%
    PRS 1.3%
  • pulmonary capillary endothelial cell CL4028001
    CSI -13.5
    rCSI -25.7%
    PRS 2.6%
  • cerebral cortex endothelial cell CL1001602
    CSI -12.7
    rCSI -22.0%
    PRS 1.3%
  • fast muscle cell CL0000190
    CSI -12.4
    rCSI -48.5%
    PRS 10.2%
  • fibroblast of cardiac tissue CL0002548
    CSI -12.0
    rCSI -57.6%
    PRS 0.8%
  • pvalb GABAergic cortical interneuron CL4023018
    CSI -11.9
    rCSI -14.8%
    PRS 1.0%
  • periportal region hepatocyte CL0019026
    CSI -11.7
    rCSI -45.5%
    PRS 2.9%
  • GABAergic neuron CL0000617
    CSI -11.5
    rCSI -38.6%
    PRS 1.8%
  • GABAergic amacrine cell CL4030027
    CSI -11.2
    rCSI -38.3%
    PRS 2.4%
  • differentiation-committed oligodendrocyte precursor CL4023059
    CSI -7.8
    rCSI -14.1%
    PRS 1.9%
  • tracheobronchial smooth muscle cell CL0019019
    CSI -7.2
    rCSI -12.7%
    PRS 2.2%
  • cardiac neuron CL0010022
    CSI -6.7
    rCSI -21.4%
    PRS 1.3%
  • primordial germ cell CL0000670
    CSI -5.0
    rCSI -25.1%
    PRS 13.1%
  • Purkinje cell CL0000121
    CSI -5.0
    rCSI -65.7%
    PRS 17.3%
  • L5 extratelencephalic projecting glutamatergic cortical neuron CL4023041
    CSI -4.8
    rCSI -17.4%
    PRS 1.0%
  • L6b glutamatergic cortical neuron CL4023038
    CSI -4.7
    rCSI -14.7%
    PRS 1.1%
  • neural progenitor cell CL0011020
    CSI -4.6
    rCSI -20.4%
    PRS 1.7%
  • exhausted T cell CL0011025
    CSI -4.6
    rCSI -77.4%
    PRS 9.4%
  • glutamatergic neuron CL0000679
    CSI -4.6
    rCSI -9.4%
    PRS 2.0%
  • adipocyte CL0000136
    CSI -4.5
    rCSI -5.7%
    PRS 2.2%
  • renal beta-intercalated cell CL0002201
    CSI -3.4
    rCSI -8.2%
    PRS 2.1%
  • epicardial adipocyte CL1000309
    CSI -2.7
    rCSI -8.9%
    PRS 3.0%
  • caudal ganglionic eminence derived cortical interneuron CL4023064
    CSI -2.7
    rCSI -4.7%
    PRS 1.0%
  • parietal epithelial cell CL1000452
    CSI -2.5
    rCSI -6.7%
    PRS 1.7%
  • kidney interstitial fibroblast CL1000692
    CSI -2.5
    rCSI -13.4%
    PRS 13.0%
  • central nervous system neuron CL2000029
    CSI -2.2
    rCSI -16.5%
    PRS 0.8%
  • regular ventricular cardiac myocyte CL0002131
    CSI -1.6
    rCSI -10.3%
    PRS 1.4%
  • central nervous system macrophage CL0000878
    CSI -1.1
    rCSI -3.7%
    PRS 1.5%
  • H2 horizontal cell CL0004218
    CSI -1.0
    rCSI -4.9%
    PRS 3.4%
  • OFF midget ganglion cell CL4033047
    CSI -1.0
    rCSI -19.6%
    PRS 2.3%
  • H1 horizontal cell CL0004217
    CSI -0.9
    rCSI -3.7%
    PRS 4.8%
  • endocrine cell CL0000163
    CSI -0.9
    rCSI -4.7%
    PRS 7.7%
  • cardiac endothelial cell CL0010008
    CSI -0.9
    rCSI -3.7%
    PRS 2.0%
  • cord blood hematopoietic stem cell CL2000095
    CSI -0.9
    rCSI -17.4%
    PRS 14.1%
  • ON midget ganglion cell CL4033046
    CSI -0.8
    rCSI -15.8%
    PRS 2.2%
  • kidney granular cell CL0000648
    CSI -0.8
    rCSI -11.0%
    PRS 21.4%
  • renal interstitial pericyte CL1001318
    CSI -0.5
    rCSI -1.2%
    PRS 1.8%
  • L5/6 near-projecting glutamatergic neuron CL4030067
    CSI -0.5
    rCSI -1.5%
    PRS 0.9%
  • forebrain neuroblast CL1000042
    CSI 0.2
    rCSI 2.3%
    PRS 25.1%
  • macula densa epithelial cell CL1000850
    CSI 0.2
    rCSI 3.3%
    PRS 26.6%
  • cone retinal bipolar cell CL0000752
    CSI 0.5
    rCSI 6.3%
    PRS 11.7%
  • eye photoreceptor cell CL0000287
    CSI 0.5
    rCSI 6.0%
    PRS 7.1%
  • kidney resident macrophage CL1000698
    CSI 0.5
    rCSI 10.8%
    PRS 42.5%
  • ventricular cardiac muscle cell CL2000046
    CSI 0.8
    rCSI 2.8%
    PRS 7.7%
  • Bergmann glial cell CL0000644
    CSI 0.9
    rCSI 1.2%
    PRS 1.9%
  • retinal ganglion cell CL0000740
    CSI 0.9
    rCSI 1.9%
    PRS 1.2%
  • immature innate lymphoid cell CL0001082
    CSI 1.0
    rCSI 29.4%
    PRS 30.5%
  • L4 intratelencephalic projecting glutamatergic neuron CL4030063
    CSI 1.0
    rCSI 2.4%
    PRS 1.1%
  • kidney interstitial cell CL1000500
    CSI 1.0
    rCSI 16.6%
    PRS 18.7%
  • sst GABAergic cortical interneuron CL4023017
    CSI 1.1
    rCSI 1.5%
    PRS 1.1%
  • collagen secreting cell CL0000667
    CSI 1.3
    rCSI 7.4%
    PRS 9.7%
  • VIP GABAergic cortical interneuron CL4023016
    CSI 1.8
    rCSI 2.1%
    PRS 1.1%
  • Schwann cell CL0002573
    CSI 2.1
    rCSI 5.8%
    PRS 2.3%
  • macroglial cell CL0000126
    CSI 2.2
    rCSI 5.5%
    PRS 3.1%
  • kidney connecting tubule epithelial cell CL1000768
    CSI 2.2
    rCSI 5.6%
    PRS 1.3%
  • pulmonary alveolar type 1 cell CL0002062
    CSI 2.3
    rCSI 13.1%
    PRS 2.5%
  • lung microvascular endothelial cell CL2000016
    CSI 2.3
    rCSI 45.2%
    PRS 6.0%
  • direct pathway medium spiny neuron CL4023026
    CSI 2.4
    rCSI 57.2%
    PRS 0.9%
  • erythroid lineage cell CL0000764
    CSI 2.4
    rCSI 15.5%
    PRS 4.7%
  • corticothalamic-projecting glutamatergic cortical neuron CL4023013
    CSI 2.4
    rCSI 14.3%
    PRS 1.3%
  • indirect pathway medium spiny neuron CL4023029
    CSI 2.5
    rCSI 60.5%
    PRS 1.3%
  • cardiac muscle cell CL0000746
    CSI 2.6
    rCSI 3.7%
    PRS 1.4%
  • tracheobronchial goblet cell CL0019003
    CSI 2.7
    rCSI 42.9%
    PRS 41.0%
  • odontoblast CL0000060
    CSI 2.7
    rCSI 61.4%
    PRS 9.9%
  • glycinergic amacrine cell CL4030028
    CSI 2.8
    rCSI 7.2%
    PRS 2.6%
  • renal intercalated cell CL0005010
    CSI 2.8
    rCSI 25.0%
    PRS 15.9%
  • B-1 B cell CL0000819
    CSI 2.8
    rCSI 72.4%
    PRS 10.3%
  • mesenchymal lymphangioblast CL0005021
    CSI 2.8
    rCSI 74.2%
    PRS 9.5%
  • cell of skeletal muscle CL0000188
    CSI 2.9
    rCSI 31.7%
    PRS 11.5%
  • osteoblast CL0000062
    CSI 2.9
    rCSI 73.1%
    PRS 16.2%
  • pluripotent stem cell CL0002248
    CSI 3.0
    rCSI 88.7%
    PRS 4.2%
  • group 3 innate lymphoid cell, human CL0001078
    CSI 3.0
    rCSI 63.1%
    PRS 33.1%
  • neuron CL0000540
    CSI 3.0
    rCSI 8.1%
    PRS 2.5%
  • parietal cell CL0000162
    CSI 3.0
    rCSI 26.2%
    PRS 12.0%
  • acinar cell of salivary gland CL0002623
    CSI 3.2
    rCSI 75.4%
    PRS 1.1%
  • mature microglial cell CL0002629
    CSI 3.2
    rCSI 13.5%
    PRS 5.8%
  • helper T cell CL0000912
    CSI 3.3
    rCSI 4.7%
    PRS 2.5%
  • Merkel cell CL0000242
    CSI 3.4
    rCSI 78.5%
    PRS 12.1%
  • cytotoxic T cell CL0000910
    CSI 3.4
    rCSI 19.7%
    PRS 2.6%
  • epithelial cell of urethra CL1000296
    CSI 3.5
    rCSI 87.2%
    PRS 5.9%
  • regular atrial cardiac myocyte CL0002129
    CSI 3.6
    rCSI 11.5%
    PRS 2.1%
  • bronchiolar smooth muscle cell CL4033017
    CSI 3.7
    rCSI 54.8%
    PRS 5.5%
  • blood vessel smooth muscle cell CL0019018
    CSI 3.7
    rCSI 29.8%
    PRS 1.7%
  • pro-T cell CL0000827
    CSI 3.8
    rCSI 88.9%
    PRS 5.7%
  • contractile cell CL0000183
    CSI 4.0
    rCSI 11.7%
    PRS 1.4%
  • microglial cell CL0000129
    CSI 4.1
    rCSI 16.6%
    PRS 8.3%
  • basal cell of epidermis CL0002187
    CSI 4.3
    rCSI 7.6%
    PRS 2.3%
  • epithelial cell of proximal tubule CL0002306
    CSI 4.4
    rCSI 10.7%
    PRS 1.7%
  • B-2 B cell CL0000822
    CSI 4.4
    rCSI 93.2%
    PRS 10.8%

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 [PABPC1](/details-gene/26986) (Poly(A) Binding Protein Cytoplasmic 1) is a ubiquitously expressed RNA-binding protein that plays a central and critical role in post-transcriptional gene regulation. Its primary function involves binding to the poly(A) tails of eukaryotic mRNAs, a process essential for mRNA stability, export from the nucleus, and the initiation of translation [Link](https://pubmed.ncbi.nlm.nih.gov/7908267/). Functional annotations highlight its involvement in key pathways such as [Eukaryotic translation initiation](/details-pathway/R-HSA-72613), [mRNA stabilization](/details-go/GO:0048255), and [Nonsense-mediated decay (NMD)](/details-pathway/R-HSA-927802). Expression data reveals that while foundational in most cells, its significance is particularly high in highly proliferative and transcriptionally active cells, most notably within the hematopoietic and immune systems, including [hematopoietic stem cell](/details-cell/CL0000037) and various T cell and dendritic cell subsets. ## Cellular Roles and Expression Landscape **Overall**, the expression profile of [PABPC1](/details-gene/26986) underscores its fundamental importance in cells requiring robust protein synthesis and dynamic gene regulation, particularly within the immune system. The gene shows the highest significance in progenitor populations like the [hematopoietic stem cell](/details-cell/CL0000037) (CSI: 145.35) and [common myeloid progenitor](/details-cell/CL0000049) (CSI: 117.23), suggesting a vital role in maintaining the translational machinery required for self-renewal and differentiation. Its role extends broadly across both the adaptive and innate immune compartments. High significance is observed in multiple T cell subsets, including [central memory CD8-positive, alpha-beta T cell](/details-cell/CL0000907) (CSI: 138.75) and [naive thymus-derived CD8-positive, alpha-beta T cell](/details-cell/CL0000900) (CSI: 124.60), as well as B cell lineages like [class switched memory B cell](/details-cell/CL0000972) (CSI: 116.34). This pattern is consistent with its function in supporting the rapid protein production needed for clonal expansion and effector function upon antigen encounter. Furthermore, its prominence in antigen-presenting cells such as the [plasmacytoid dendritic cell, human](/details-cell/CL0001058) (CSI: 127.90) and [CD14-low, CD16-positive monocyte](/details-cell/CL0002396) (CSI: 124.73) highlights its role in orchestrating immune responses. Conversely, [PABPC1](/details-gene/26986) shows minimal to negative significance in terminally differentiated and structurally-focused cell types. This includes various neuronal populations like the [retinal bipolar neuron](/details-cell/CL0000748) (CSI: -32.51) and [cerebral cortex neuron](/details-cell/CL0010012) (CSI: -21.03), glial cells like [astrocyte of the cerebral cortex](/details-cell/CL0002605) (CSI: -25.87), and structural cells such as [pulmonary capillary endothelial cell](/details-cell/CL4028001) (CSI: -13.49). This suggests that while still essential, its role as a rate-limiting or defining component is less pronounced in these less proliferative tissues compared to the highly dynamic hematopoietic system. ## Pathways and Molecular Function The molecular functions of [PABPC1](/details-gene/26986) are central to the lifecycle of messenger RNA. As its name implies, its defining activity is [poly(A) binding](/details-go/GO:0008143), which is a prerequisite for most of its downstream effects. This interaction is a cornerstone of the [Cap-dependent translation initiation](/details-pathway/R-HSA-72737) pathway, where [PABPC1](/details-gene/26986) acts as a scaffold, bridging the 3' poly(A) tail to the 5' cap structure via interactions with the eIF4G initiation factor, effectively circularizing the mRNA to promote efficient ribosomal loading and translation [Link](https://doi.org/10.1038/33198). This function is annotated as [translation activator activity](/details-go/GO:0008494). Beyond translation initiation, [PABPC1](/details-gene/26986) is a key regulator of mRNA fate. It protects transcripts from premature degradation by exonucleases, a process reflected in its annotation for [mRNA stabilization](/details-go/GO:0048255) and its involvement in the [Deadenylation-dependent mRNA decay](/details-pathway/R-HSA-429914) pathway. It also participates in RNA quality control mechanisms, such as [Nonsense-mediated decay (NMD)](/details-pathway/R-HSA-927802), where it helps distinguish normal transcripts from those with premature termination codons. The protein is also a component of the [catalytic step 2 spliceosome](/details-go/GO:0071013), indicating a role in pre-mRNA splicing in the nucleus before its primary cytoplasmic functions. Its localization in [cytoplasmic stress granule](/details-go/GO:0010494) suggests it is also involved in sequestering mRNAs to temporarily halt translation under cellular stress conditions. ## Research Directions The ubiquitous and fundamental nature of [PABPC1](/details-gene/26986) makes it a critical hub for cellular gene expression. Its particularly high significance in hematopoietic and immune cells suggests specialized roles or dependencies in these lineages that warrant further investigation. **Testable Hypotheses:** 1. Given its high significance in [hematopoietic stem cell](/details-cell/CL0000037) and other progenitors, [PABPC1](/details-gene/26986) may regulate hematopoietic lineage commitment by differentially stabilizing key transcription factor mRNAs. A reduction in its activity could skew differentiation towards or away from specific lineages (e.g., lymphoid vs. myeloid) by altering the half-life of critical transcripts. 2. The high significance of [PABPC1](/details-gene/26986) in memory T cell populations ([central memory CD8-positive, alpha-beta T cell](/details-cell/CL0000907), [central memory CD4-positive, alpha-beta T cell](/details-cell/CL0000904)) suggests it is crucial for maintaining the long-term translational readiness of these cells. It may selectively stabilize mRNAs encoding survival factors or key signaling molecules, allowing for a rapid effector response upon secondary antigen exposure. **Proposed Experiment:** To test the second hypothesis regarding the role of [PABPC1](/details-gene/26986) in memory T cell function, one could employ a conditional knockout mouse model where *Pabpc1* is specifically deleted in T cells following an initial infection (e.g., using a tamoxifen-inducible Cre-Lox system). After the establishment of a memory population, these mice would be subjected to a secondary challenge with the same pathogen. The secondary response of [PABPC1](/details-gene/26986)-deficient memory T cells could be compared to control mice by measuring proliferation (e.g., Ki67 staining), cytokine production (intracellular cytokine staining), and overall pathogen clearance. RNA-immunoprecipitation followed by sequencing (RIP-seq) on memory T cells could identify the specific mRNA transcripts that [PABPC1](/details-gene/26986) binds to, revealing its direct targets in maintaining the memory state. **Therapeutic Potential:** As a direct therapeutic target, [PABPC1](/details-gene/26986) presents significant challenges. Its fundamental role in protein synthesis across nearly all cell types means that systemic inhibition would likely lead to severe, widespread toxicity. However, its interactions may be more druggable. For instance, in cancers characterized by an addiction to high levels of protein synthesis, developing small molecules that disrupt the interaction between [PABPC1](/details-gene/26986) and the translation initiation machinery (e.g., the PABP-eIF4G interface) could offer a more targeted therapeutic window. Similarly, given its role in the replication of some RNA viruses [Link](https://doi.org/10.1016/s1097-2765(01)00168-x), interfering with virus-specific [PABPC1](/details-gene/26986) interactions could be a viable antiviral strategy. Therefore, therapeutic approaches would likely focus on inhibiting specific pathological interactions rather than the protein's overall function.

Genular Protein ID: 2605181677

Symbol: PABP1_HUMAN

Name: N/A

UniProtKB Accession Codes:

Database IDs:

Citations:

PubMed ID: 2885805

Title: Human mRNA polyadenylate binding protein: evolutionary conservation of a nucleic acid binding motif.

PubMed ID: 2885805

DOI: 10.1093/nar/15.12.4771

PubMed ID: 16421571

Title: DNA sequence and analysis of human chromosome 8.

PubMed ID: 16421571

DOI: 10.1038/nature04406

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: 7908267

Title: The mRNA poly(A)-binding protein: localization, abundance, and RNA-binding specificity.

PubMed ID: 7908267

DOI: 10.1006/excr.1994.1104

PubMed ID: 9582337

Title: The human poly(A)-binding protein 1 shuttles between the nucleus and the cytoplasm.

PubMed ID: 9582337

DOI: 10.1074/jbc.273.21.13015

PubMed ID: 9548260

Title: Interaction of polyadenylate-binding protein with the eIF4G homologue PAIP enhances translation.

PubMed ID: 9548260

DOI: 10.1038/33198

PubMed ID: 11051545

Title: A mechanism for translationally coupled mRNA turnover: interaction between the poly(A) tail and a c-fos RNA coding determinant via a protein complex.

PubMed ID: 11051545

DOI: 10.1016/s0092-8674(00)00102-1

PubMed ID: 11172725

Title: Translational repression by a novel partner of human poly(A) binding protein, Paip2.

PubMed ID: 11172725

DOI: 10.1016/s1097-2765(01)00168-x

PubMed ID: 11438674

Title: Dual interactions of the translational repressor Paip2 with poly(A) binding protein.

PubMed ID: 11438674

DOI: 10.1128/mcb.21.15.5200-5213.2001

PubMed ID: 11850402

Title: PABP1 identified as an arginine methyltransferase substrate using high-density protein arrays.

PubMed ID: 11850402

DOI: 10.1093/embo-reports/kvf052

PubMed ID: 11997512

Title: Paip1 interacts with poly(A) binding protein through two independent binding motifs.

PubMed ID: 11997512

DOI: 10.1128/mcb.22.11.3769-3782.2002

PubMed ID: 11991638

Title: Purification and characterization of native spliceosomes suitable for three-dimensional structural analysis.

PubMed ID: 11991638

DOI: 10.1017/s1355838202021088

PubMed ID: 12565831

Title: Affinity purification of ARE-binding proteins identifies polyA-binding protein 1 as a potential substrate in MK2-induced mRNA stabilization.

PubMed ID: 12565831

DOI: 10.1016/s0006-291x(03)00015-9

PubMed ID: 14654843

Title: Proteomic characterization of the human centrosome by protein correlation profiling.

PubMed ID: 14654843

DOI: 10.1038/nature02166

PubMed ID: 15314026

Title: UNR, a new partner of poly(A)-binding protein, plays a key role in translationally coupled mRNA turnover mediated by the c-fos major coding-region determinant.

PubMed ID: 15314026

DOI: 10.1101/gad.1219104

PubMed ID: 16356927

Title: The autoregulatory translational control element of poly(A)-binding protein mRNA forms a heteromeric ribonucleoprotein complex.

PubMed ID: 16356927

DOI: 10.1093/nar/gki1014

PubMed ID: 17212783

Title: IMP1 interacts with poly(A)-binding protein (PABP) and the autoregulatory translational control element of PABP-mRNA through the KH III-IV domain.

PubMed ID: 17212783

DOI: 10.1111/j.1742-4658.2006.05556.x

PubMed ID: 16804161

Title: Regulation of poly(A) binding protein function in translation: Characterization of the Paip2 homolog, Paip2B.

PubMed ID: 16804161

DOI: 10.1261/rna.106506

PubMed ID: 17932509

Title: Proteomic and functional analysis of Argonaute-containing mRNA-protein complexes in human cells.

PubMed ID: 17932509

DOI: 10.1038/sj.embor.7401088

PubMed ID: 17267499

Title: NFX1-123 and poly(A) binding proteins synergistically augment activation of telomerase in human papillomavirus type 16 E6-expressing cells.

PubMed ID: 17267499

DOI: 10.1128/jvi.02007-06

PubMed ID: 17289661

Title: Molecular composition of IMP1 ribonucleoprotein granules.

PubMed ID: 17289661

DOI: 10.1074/mcp.m600346-mcp200

PubMed ID: 18799579

Title: Nuclear localization of cytoplasmic poly(A)-binding protein upon rotavirus infection involves the interaction of NSP3 with eIF4G and RoXaN.

PubMed ID: 18799579

DOI: 10.1128/jvi.00872-08

PubMed ID: 18596238

Title: The DEAD-box RNA helicase DDX3 associates with export messenger ribonucleoproteins as well as tip-associated protein and participates in translational control.

PubMed ID: 18596238

DOI: 10.1091/mbc.e07-12-1264

PubMed ID: 18447585

Title: A competition between stimulators and antagonists of Upf complex recruitment governs human nonsense-mediated mRNA decay.

PubMed ID: 18447585

DOI: 10.1371/journal.pbio.0060111

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: 19029303

Title: Control of c-myc mRNA stability by IGF2BP1-associated cytoplasmic RNPs.

PubMed ID: 19029303

DOI: 10.1261/rna.1175909

PubMed ID: 19608861

Title: Lysine acetylation targets protein complexes and co-regulates major cellular functions.

PubMed ID: 19608861

DOI: 10.1126/science.1175371

PubMed ID: 20102337

Title: Poly(A)-binding protein (PABP): a common viral target.

PubMed ID: 20102337

DOI: 10.1042/bj20091571

PubMed ID: 20430826

Title: The RNA binding protein Larp1 regulates cell division, apoptosis and cell migration.

PubMed ID: 20430826

DOI: 10.1093/nar/gkq294

PubMed ID: 20133758

Title: Human cytomegalovirus UL69 protein facilitates translation by associating with the mRNA cap-binding complex and excluding 4EBP1.

PubMed ID: 20133758

DOI: 10.1073/pnas.0914856107

PubMed ID: 20573744

Title: A stimulatory role for the La-related protein 4B in translation.

PubMed ID: 20573744

DOI: 10.1261/rna.2146910

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: 21700224

Title: Human senataxin resolves RNA/DNA hybrids formed at transcriptional pause sites to promote Xrn2-dependent termination.

PubMed ID: 21700224

DOI: 10.1016/j.molcel.2011.04.026

PubMed ID: 21883093

Title: Critical roles of RNA helicase DDX3 and its interactions with eIF4E/PABP1 in stress granule assembly and stress response.

PubMed ID: 21883093

DOI: 10.1042/bj20110739

PubMed ID: 22872150

Title: DEAD-box protein DDX3 associates with eIF4F to promote translation of selected mRNAs.

PubMed ID: 22872150

DOI: 10.1038/emboj.2012.220

PubMed ID: 23186163

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

PubMed ID: 23186163

DOI: 10.1021/pr300630k

PubMed ID: 23125361

Title: The mammalian TRIM-NHL protein TRIM71/LIN-41 is a repressor of mRNA function.

PubMed ID: 23125361

DOI: 10.1093/nar/gks1032

PubMed ID: 23279204

Title: Both G3BP1 and G3BP2 contribute to stress granule formation.

PubMed ID: 23279204

DOI: 10.1111/gtc.12023

PubMed ID: 23077296

Title: Interplay between polyadenylate-binding protein 1 and Kaposi's sarcoma-associated herpesvirus ORF57 in accumulation of polyadenylated nuclear RNA, a viral long noncoding RNA.

PubMed ID: 23077296

DOI: 10.1128/jvi.01693-12

PubMed ID: 25220460

Title: The RNA helicase DHX34 activates NMD by promoting a transition from the surveillance to the decay-inducing complex.

PubMed ID: 25220460

DOI: 10.1016/j.celrep.2014.08.020

PubMed ID: 25480299

Title: Uridylation by TUT4 and TUT7 marks mRNA for degradation.

PubMed ID: 25480299

DOI: 10.1016/j.cell.2014.10.055

PubMed ID: 24532714

Title: Proteomic analysis of cap-dependent translation identifies LARP1 as a key regulator of 5'TOP mRNA translation.

PubMed ID: 24532714

DOI: 10.1101/gad.231407.113

PubMed ID: 24129315

Title: Immunoaffinity enrichment and mass spectrometry analysis of protein methylation.

PubMed ID: 24129315

DOI: 10.1074/mcp.o113.027870

PubMed ID: 25940091

Title: La-related protein 1 (LARP1) represses terminal oligopyrimidine (TOP) mRNA translation downstream of mTOR complex 1 (mTORC1).

PubMed ID: 25940091

DOI: 10.1074/jbc.m114.621730

PubMed ID: 25944712

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

PubMed ID: 25944712

DOI: 10.1002/pmic.201400617

PubMed ID: 27573237

Title: Regulation of Human Endonuclease V Activity and Relocalization to Cytoplasmic Stress Granules.

PubMed ID: 27573237

DOI: 10.1074/jbc.m116.730911

PubMed ID: 27871484

Title: Identification of a nuclear exosome decay pathway for processed transcripts.

PubMed ID: 27871484

DOI: 10.1016/j.molcel.2016.09.025

PubMed ID: 26735137

Title: Characterization of RyDEN (C19orf66) as an interferon-stimulated cellular inhibitor against dengue virus replication.

PubMed ID: 26735137

DOI: 10.1371/journal.ppat.1005357

PubMed ID: 28733330

Title: The helicase, DDX3X, interacts with poly(A)-binding protein 1 (PABP1) and caprin-1 at the leading edge of migrating fibroblasts and is required for efficient cell spreading.

PubMed ID: 28733330

DOI: 10.1042/bcj20170354

PubMed ID: 28931820

Title: The non-canonical poly(A) polymerase FAM46C acts as an onco-suppressor in multiple myeloma.

PubMed ID: 28931820

DOI: 10.1038/s41467-017-00578-5

PubMed ID: 28559491

Title: Antagonistic actions of two human Pan3 isoforms on global mRNA turnover.

PubMed ID: 28559491

DOI: 10.1261/rna.061556.117

PubMed ID: 29476152

Title: Recognition of RNA N6-methyladenosine by IGF2BP proteins enhances mRNA stability and translation.

PubMed ID: 29476152

DOI: 10.1038/s41556-018-0045-z

PubMed ID: 31649314

Title: The Interactome analysis of the Respiratory Syncytial Virus protein M2-1 suggests a new role in viral mRNA metabolism post-transcription.

PubMed ID: 31649314

DOI: 10.1038/s41598-019-51746-0

PubMed ID: 32245947

Title: An oncopeptide regulates m6A recognition by the m6A reader IGF2BP1 and tumorigenesis.

PubMed ID: 32245947

DOI: 10.1038/s41467-020-15403-9

PubMed ID: 33876849

Title: The SARS-unique domain (SUD) of SARS-CoV and SARS-CoV-2 interacts with human Paip1 to enhance viral RNA translation.

PubMed ID: 33876849

DOI: 10.15252/embj.2019102277

PubMed ID: 10499800

Title: Recognition of polyadenylate RNA by the poly(A)-binding protein.

PubMed ID: 10499800

DOI: 10.1016/s0092-8674(00)81517-2

PubMed ID: 11287632

Title: Structure and function of the C-terminal PABC domain of human poly(A)-binding protein.

PubMed ID: 11287632

DOI: 10.1073/pnas.071024998

PubMed ID: 20096703

Title: Molecular determinants of PAM2 recognition by the MLLE domain of poly(A)-binding protein.

PubMed ID: 20096703

DOI: 10.1016/j.jmb.2010.01.032

PubMed ID: 21098120

Title: La-related protein 4 binds poly(A), interacts with the poly(A)-binding protein MLLE domain via a variant PAM2w motif, and can promote mRNA stability.

PubMed ID: 21098120

DOI: 10.1128/mcb.01162-10

Sequence Information:

  • Length: 636
  • Mass: 70671
  • Checksum: 2EB1B02A346132EE
  • Sequence:
  • MNPSAPSYPM ASLYVGDLHP DVTEAMLYEK FSPAGPILSI RVCRDMITRR SLGYAYVNFQ 
    QPADAERALD TMNFDVIKGK PVRIMWSQRD PSLRKSGVGN IFIKNLDKSI DNKALYDTFS 
    AFGNILSCKV VCDENGSKGY GFVHFETQEA AERAIEKMNG MLLNDRKVFV GRFKSRKERE 
    AELGARAKEF TNVYIKNFGE DMDDERLKDL FGKFGPALSV KVMTDESGKS KGFGFVSFER 
    HEDAQKAVDE MNGKELNGKQ IYVGRAQKKV ERQTELKRKF EQMKQDRITR YQGVNLYVKN 
    LDDGIDDERL RKEFSPFGTI TSAKVMMEGG RSKGFGFVCF SSPEEATKAV TEMNGRIVAT 
    KPLYVALAQR KEERQAHLTN QYMQRMASVR AVPNPVINPY QPAPPSGYFM AAIPQTQNRA 
    AYYPPSQIAQ LRPSPRWTAQ GARPHPFQNM PGAIRPAAPR PPFSTMRPAS SQVPRVMSTQ 
    RVANTSTQTM GPRPAAAAAA ATPAVRTVPQ YKYAAGVRNP QQHLNAQPQV TMQQPAVHVQ 
    GQEPLTASML ASAPPQEQKQ MLGERLFPLI QAMHPTLAGK ITGMLLEIDN SELLHMLESP 
    ESLRSKVDEA VAVLQAHQAK EAAQKAVNSA TGVPTV