Details for: API5

Gene ID: 8539

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: API5

Ensembl ID: ENSG00000166181

Description: apoptosis inhibitor 5

Selected Context(s):  Overall

Cell Significance Landscape

Contexts:

Associated with

Significant Cells

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

  • type B pancreatic cell CL0000169
    CSI 13.24
    rCSI 29.32%
    PRS 50.13
  • interstitial cell of Cajal CL0002088
    CSI 11.71
    rCSI 14.91%
    PRS 58.56
  • mesodermal cell CL0000222
    CSI 9.51
    rCSI 11.41%
    PRS 50.44
  • alveolar adventitial fibroblast CL4028006
    CSI 7.12
    rCSI 11.25%
    PRS 53.77
  • effector CD8-positive, alpha-beta T cell CL0001050
    CSI 6.87
    rCSI 5.23%
    PRS 65.02
  • class switched memory B cell CL0000972
    CSI 6.87
    rCSI 5.13%
    PRS 70.16
  • enteroendocrine cell CL0000164
    CSI 5.84
    rCSI 7.99%
    PRS 54.78
  • astrocyte of the cerebral cortex CL0002605
    CSI 4.53
    rCSI 10.15%
    PRS 36.15
  • regular ventricular cardiac myocyte CL0002131
    CSI 4.27
    rCSI 26.7%
    PRS 44.47
  • epithelial cell of lower respiratory tract CL0002632
    CSI 4.22
    rCSI 3.27%
    PRS 53.3
  • regular atrial cardiac myocyte CL0002129
    CSI 4.17
    rCSI 13.44%
    PRS 51.31
  • rod bipolar cell CL0000751
    CSI 3.95
    rCSI 7.11%
    PRS 45.64
  • VIP GABAergic cortical interneuron CL4023016
    CSI 3.92
    rCSI 4.68%
    PRS 35.26
  • Kupffer cell CL0000091
    CSI 3.84
    rCSI 8.77%
    PRS 51.87
  • kidney connecting tubule epithelial cell CL1000768
    CSI 3.83
    rCSI 9.71%
    PRS 42.23
  • dendritic cell, human CL0001056
    CSI 3.83
    rCSI 5.88%
    PRS 60.45
  • erythroid progenitor cell CL0000038
    CSI 3.78
    rCSI 21.69%
    PRS 62.9
  • effector CD4-positive, alpha-beta T cell CL0001044
    CSI 3.61
    rCSI 10.35%
    PRS 71.82
  • double negative thymocyte CL0002489
    CSI 3.58
    rCSI 2.49%
    PRS 62.56
  • granulocyte monocyte progenitor cell CL0000557
    CSI 3.56
    rCSI 3.08%
    PRS 56.99
  • lung secretory cell CL1000272
    CSI 3.41
    rCSI 8.45%
    PRS 50.37
  • effector memory CD8-positive, alpha-beta T cell, terminally differentiated CL0001062
    CSI 3.41
    rCSI 17.13%
    PRS 64.62
  • retinal rod cell CL0000604
    CSI 3.22
    rCSI 5.67%
    PRS 49.98
  • unswitched memory B cell CL0000970
    CSI 3.16
    rCSI 2.66%
    PRS 70.3
  • melanocyte CL0000148
    CSI 3.04
    rCSI 2.25%
    PRS 45.31
  • pulmonary capillary endothelial cell CL4028001
    CSI 2.85
    rCSI 5.43%
    PRS 68.57
  • lung pericyte CL0009089
    CSI 2.83
    rCSI 7.46%
    PRS 60.73
  • lung neuroendocrine cell CL1000223
    CSI 2.78
    rCSI 4.11%
    PRS 57.84
  • hematopoietic multipotent progenitor cell CL0000837
    CSI 2.76
    rCSI 6.63%
    PRS 71.1
  • neuroblast (sensu Nematoda and Protostomia) CL0000338
    CSI 2.75
    rCSI 3.17%
    PRS 46.32
  • CD4-positive helper T cell CL0000492
    CSI 2.73
    rCSI 2.07%
    PRS 66.23
  • intestinal tuft cell CL0019032
    CSI 2.71
    rCSI 4.14%
    PRS 57.11
  • ionocyte CL0005006
    CSI 2.71
    rCSI 2.9%
    PRS 50.82
  • CD4-positive, CD25-positive, alpha-beta regulatory T cell CL0000792
    CSI 2.65
    rCSI 2.61%
    PRS 68.46
  • double-positive, alpha-beta thymocyte CL0000809
    CSI 2.65
    rCSI 2.71%
    PRS 66.07
  • inflammatory macrophage CL0000863
    CSI 2.52
    rCSI 4.3%
    PRS 77.79
  • perivascular cell CL4033054
    CSI 2.51
    rCSI 3.43%
    PRS 57.85
  • midzonal region hepatocyte CL0019028
    CSI 2.45
    rCSI 5.76%
    PRS 59.5
  • CD4-positive, alpha-beta memory T cell CL0000897
    CSI 2.44
    rCSI 1.75%
    PRS 66.43
  • fallopian tube secretory epithelial cell CL4030006
    CSI 2.43
    rCSI 2.34%
    PRS 52.77
  • lung macrophage CL1001603
    CSI 2.42
    rCSI 5.4%
    PRS 59.69
  • retinal blood vessel endothelial cell CL0002585
    CSI 2.41
    rCSI 3.85%
    PRS 56.31
  • pro-B cell CL0000826
    CSI 2.38
    rCSI 1.97%
    PRS 53.98
  • hematopoietic precursor cell CL0008001
    CSI 2.35
    rCSI 2.41%
    PRS 70.45
  • lung ciliated cell CL1000271
    CSI 2.31
    rCSI 2.68%
    PRS 42.38
  • cerebral cortex GABAergic interneuron CL0010011
    CSI 2.3
    rCSI 6.8%
    PRS 56.32
  • central memory CD8-positive, alpha-beta T cell CL0000907
    CSI 2.28
    rCSI 1.54%
    PRS 64.53
  • epithelial cell of lung CL0000082
    CSI 2.28
    rCSI 1.89%
    PRS 51.21
  • hepatic stellate cell CL0000632
    CSI 2.27
    rCSI 8.52%
    PRS 44.82
  • naive T cell CL0000898
    CSI 2.25
    rCSI 1.56%
    PRS 66.67
  • central nervous system neuron CL2000029
    CSI 2.21
    rCSI 16.24%
    PRS 39.77
  • ON-bipolar cell CL0000749
    CSI 2.16
    rCSI 3.21%
    PRS 54.72
  • renal beta-intercalated cell CL0002201
    CSI 2.13
    rCSI 5.08%
    PRS 53.91
  • nasal mucosa goblet cell CL0002480
    CSI 2.1
    rCSI 2.44%
    PRS 61.59
  • M cell of gut CL0000682
    CSI 2.1
    rCSI 2.23%
    PRS 65.32
  • mucus secreting cell CL0000319
    CSI 2.07
    rCSI 3.29%
    PRS 63.55
  • choroid plexus epithelial cell CL0000706
    CSI 2.07
    rCSI 3.39%
    PRS 42.27
  • caudal ganglionic eminence derived cortical interneuron CL4023064
    CSI 2.06
    rCSI 3.64%
    PRS 34.44
  • central memory CD4-positive, alpha-beta T cell CL0000904
    CSI 2.05
    rCSI 1.21%
    PRS 69.21
  • secretory cell CL0000151
    CSI 2.03
    rCSI 2.12%
    PRS 52.85
  • neural crest cell CL0011012
    CSI 2.01
    rCSI 1.59%
    PRS 39.61
  • erythrocyte CL0000232
    CSI 1.98
    rCSI 4.5%
    PRS 57.64
  • intestinal epithelial cell CL0002563
    CSI 1.96
    rCSI 2.05%
    PRS 51.37
  • pancreatic A cell CL0000171
    CSI 1.92
    rCSI 2.01%
    PRS 55.7
  • alpha-beta T cell CL0000789
    CSI 1.91
    rCSI 2.23%
    PRS 68.68
  • hepatocyte CL0000182
    CSI 1.9
    rCSI 3.4%
    PRS 51.03
  • interneuron CL0000099
    CSI 1.89
    rCSI 3.8%
    PRS 41.78
  • Mueller cell CL0000636
    CSI 1.89
    rCSI 4.32%
    PRS 44.95
  • kidney loop of Henle thin descending limb epithelial cell CL1001111
    CSI 1.87
    rCSI 2.65%
    PRS 48.91
  • myeloid leukocyte CL0000766
    CSI 1.87
    rCSI 1.72%
    PRS 53.53
  • myoepithelial cell CL0000185
    CSI 1.86
    rCSI 4.71%
    PRS 60.88
  • direct pathway medium spiny neuron CL4023026
    CSI 1.85
    rCSI 44.34%
    PRS 34.84
  • CD8-positive, alpha-beta cytotoxic T cell CL0000794
    CSI 1.83
    rCSI 2.19%
    PRS 72.83
  • fibroblast of lung CL0002553
    CSI 1.83
    rCSI 1.7%
    PRS 52.2
  • alternatively activated macrophage CL0000890
    CSI 1.79
    rCSI 2.26%
    PRS 65.38
  • activated type II NK T cell CL0000931
    CSI 1.79
    rCSI 2.02%
    PRS 68.95
  • alveolar type 1 fibroblast cell CL4028004
    CSI 1.79
    rCSI 1.96%
    PRS 56.17
  • pancreatic D cell CL0000173
    CSI 1.77
    rCSI 1.74%
    PRS 55.03
  • immature B cell CL0000816
    CSI 1.76
    rCSI 1.31%
    PRS 66.39
  • early lymphoid progenitor CL0000936
    CSI 1.76
    rCSI 1.54%
    PRS 57.81
  • enteric smooth muscle cell CL0002504
    CSI 1.75
    rCSI 2.5%
    PRS 55.05
  • indirect pathway medium spiny neuron CL4023029
    CSI 1.72
    rCSI 41.62%
    PRS 35.8
  • plasmablast CL0000980
    CSI 1.7
    rCSI 1.34%
    PRS 59.06
  • kidney loop of Henle thin ascending limb epithelial cell CL1001107
    CSI 1.7
    rCSI 4.4%
    PRS 47.86
  • transit amplifying cell of colon CL0009011
    CSI 1.69
    rCSI 1.99%
    PRS 55.56
  • lymphoid lineage restricted progenitor cell CL0000838
    CSI 1.69
    rCSI 6.58%
    PRS 73.04
  • ciliated epithelial cell CL0000067
    CSI 1.69
    rCSI 1.48%
    PRS 40.93
  • stem cell CL0000034
    CSI 1.65
    rCSI 1.59%
    PRS 43.02
  • plasmacytoid dendritic cell, human CL0001058
    CSI 1.62
    rCSI 1.13%
    PRS 54.9
  • T follicular helper cell CL0002038
    CSI 1.61
    rCSI 1.2%
    PRS 67.82
  • retinal ganglion cell CL0000740
    CSI 1.61
    rCSI 3.55%
    PRS 39.64
  • blood vessel endothelial cell CL0000071
    CSI 1.6
    rCSI 3.33%
    PRS 49.83
  • cerebral cortex endothelial cell CL1001602
    CSI 1.6
    rCSI 2.77%
    PRS 42.7
  • renal alpha-intercalated cell CL0005011
    CSI 1.59
    rCSI 2.13%
    PRS 61.13
  • sst GABAergic cortical interneuron CL4023017
    CSI 1.46
    rCSI 1.89%
    PRS 36.47
  • neuroblast (sensu Vertebrata) CL0000031
    CSI 1.46
    rCSI 1.87%
    PRS 50.19
  • L6b glutamatergic cortical neuron CL4023038
    CSI 1.43
    rCSI 4.48%
    PRS 36.8
  • respiratory hillock cell CL4030023
    CSI 1.43
    rCSI 2.55%
    PRS 67.23
  • cardiac neuron CL0010022
    CSI 1.43
    rCSI 4.57%
    PRS 49.29
  • kidney interstitial alternatively activated macrophage CL1000695
    CSI 1.43
    rCSI 3.72%
    PRS 51.67
  • mesenchymal stem cell CL0000134
    CSI 0.1
    rCSI 0.9%
    PRS 67.1%
  • pluripotent stem cell CL0002248
    CSI 0.2
    rCSI 4.7%
    PRS 74.4%
  • cytotoxic T cell CL0000910
    CSI 0.2
    rCSI 1.0%
    PRS 63.3%
  • corticothalamic-projecting glutamatergic cortical neuron CL4023013
    CSI 0.3
    rCSI 1.7%
    PRS 36.8%
  • pancreatic ductal cell CL0002079
    CSI 0.4
    rCSI 0.9%
    PRS 54.9%
  • parietal epithelial cell CL1000452
    CSI 0.5
    rCSI 1.2%
    PRS 44.3%
  • erythroblast CL0000765
    CSI 0.5
    rCSI 1.2%
    PRS 65.4%
  • transit amplifying cell of small intestine CL0009012
    CSI 0.5
    rCSI 2.0%
    PRS 69.6%
  • pancreatic PP cell CL0002275
    CSI 0.5
    rCSI 1.9%
    PRS 67.2%
  • large pre-B-II cell CL0000957
    CSI 0.5
    rCSI 1.4%
    PRS 66.0%
  • primitive red blood cell CL0002355
    CSI 0.5
    rCSI 2.7%
    PRS 66.5%
  • bronchial goblet cell CL1000312
    CSI 0.5
    rCSI 2.1%
    PRS 71.5%
  • mesenchymal cell CL0008019
    CSI 0.5
    rCSI 1.3%
    PRS 47.6%
  • L4 intratelencephalic projecting glutamatergic neuron CL4030063
    CSI 0.5
    rCSI 1.3%
    PRS 40.7%
  • lamp5 GABAergic cortical interneuron CL4023011
    CSI 0.6
    rCSI 1.0%
    PRS 35.4%
  • L5 extratelencephalic projecting glutamatergic cortical neuron CL4023041
    CSI 0.6
    rCSI 2.3%
    PRS 34.1%
  • neural progenitor cell CL0011020
    CSI 0.6
    rCSI 2.8%
    PRS 44.5%
  • chandelier pvalb GABAergic cortical interneuron CL4023036
    CSI 0.7
    rCSI 2.1%
    PRS 39.2%
  • placental villous trophoblast CL2000060
    CSI 0.7
    rCSI 1.1%
    PRS 50.4%
  • colon goblet cell CL0009039
    CSI 0.7
    rCSI 1.7%
    PRS 63.1%
  • promonocyte CL0000559
    CSI 0.7
    rCSI 1.2%
    PRS 62.0%
  • near-projecting glutamatergic cortical neuron CL4023012
    CSI 0.7
    rCSI 2.7%
    PRS 36.2%
  • retina horizontal cell CL0000745
    CSI 0.8
    rCSI 1.1%
    PRS 48.9%
  • amacrine cell CL0000561
    CSI 0.8
    rCSI 2.2%
    PRS 42.9%
  • retinal cone cell CL0000573
    CSI 0.8
    rCSI 1.3%
    PRS 42.6%
  • podocyte CL0000653
    CSI 0.8
    rCSI 3.5%
    PRS 51.5%
  • megakaryocyte-erythroid progenitor cell CL0000050
    CSI 0.8
    rCSI 0.7%
    PRS 49.2%
  • cardiac muscle cell CL0000746
    CSI 0.8
    rCSI 1.2%
    PRS 42.8%
  • L5/6 near-projecting glutamatergic neuron CL4030067
    CSI 0.8
    rCSI 2.8%
    PRS 40.4%
  • duct epithelial cell CL0000068
    CSI 0.9
    rCSI 1.3%
    PRS 56.0%
  • cerebellar granule cell CL0001031
    CSI 0.9
    rCSI 1.4%
    PRS 46.9%
  • intermediate monocyte CL0002393
    CSI 1.0
    rCSI 1.4%
    PRS 55.5%
  • CD1c-positive myeloid dendritic cell CL0002399
    CSI 1.0
    rCSI 1.2%
    PRS 60.8%
  • peripheral nervous system neuron CL2000032
    CSI 1.0
    rCSI 1.3%
    PRS 45.1%
  • keratinocyte CL0000312
    CSI 1.0
    rCSI 0.8%
    PRS 57.2%
  • transit amplifying cell CL0009010
    CSI 1.0
    rCSI 1.5%
    PRS 67.8%
  • L2/3-6 intratelencephalic projecting glutamatergic neuron CL4023040
    CSI 1.0
    rCSI 2.4%
    PRS 34.2%
  • mature B cell CL0000785
    CSI 1.0
    rCSI 0.9%
    PRS 63.0%
  • BEST4+ enteroycte CL4030026
    CSI 1.0
    rCSI 1.3%
    PRS 54.6%
  • sncg GABAergic cortical interneuron CL4023015
    CSI 1.0
    rCSI 1.7%
    PRS 37.5%
  • pancreatic acinar cell CL0002064
    CSI 1.1
    rCSI 1.4%
    PRS 58.0%
  • small intestine goblet cell CL1000495
    CSI 1.1
    rCSI 2.4%
    PRS 61.5%
  • renal interstitial pericyte CL1001318
    CSI 1.1
    rCSI 3.1%
    PRS 48.5%
  • inhibitory interneuron CL0000498
    CSI 1.1
    rCSI 2.6%
    PRS 42.7%
  • basal cell CL0000646
    CSI 1.2
    rCSI 1.5%
    PRS 53.5%
  • acinar cell CL0000622
    CSI 1.2
    rCSI 1.7%
    PRS 64.0%
  • cardiac endothelial cell CL0010008
    CSI 1.2
    rCSI 4.9%
    PRS 50.8%
  • colon epithelial cell CL0011108
    CSI 1.2
    rCSI 1.3%
    PRS 49.3%
  • glioblast CL0000030
    CSI 1.2
    rCSI 2.0%
    PRS 45.7%
  • CD14-low, CD16-positive monocyte CL0002396
    CSI 1.2
    rCSI 1.0%
    PRS 51.9%
  • periportal region hepatocyte CL0019026
    CSI 1.2
    rCSI 4.8%
    PRS 59.7%
  • vascular leptomeningeal cell CL4023051
    CSI 1.3
    rCSI 2.2%
    PRS 44.6%
  • common dendritic progenitor CL0001029
    CSI 1.3
    rCSI 1.6%
    PRS 62.7%
  • pvalb GABAergic cortical interneuron CL4023018
    CSI 1.3
    rCSI 1.6%
    PRS 33.7%
  • intestine goblet cell CL0019031
    CSI 1.3
    rCSI 1.2%
    PRS 50.9%
  • group 3 innate lymphoid cell CL0001071
    CSI 1.3
    rCSI 1.0%
    PRS 56.9%
  • goblet cell CL0000160
    CSI 1.3
    rCSI 1.3%
    PRS 52.7%
  • cerebral cortex neuron CL0010012
    CSI 1.4
    rCSI 5.5%
    PRS 48.5%
  • extravillous trophoblast CL0008036
    CSI 1.4
    rCSI 1.7%
    PRS 48.4%
  • CD14-positive, CD16-positive monocyte CL0002397
    CSI 1.4
    rCSI 1.8%
    PRS 66.1%
  • promyelocyte CL0000836
    CSI 1.4
    rCSI 2.0%
    PRS 62.3%
  • retinal bipolar neuron CL0000748
    CSI 1.4
    rCSI 2.6%
    PRS 41.4%
  • elicited macrophage CL0000861
    CSI 1.4
    rCSI 1.3%
    PRS 60.8%
  • conjunctival epithelial cell CL1000432
    CSI 1.4
    rCSI 2.1%
    PRS 53.0%
  • common myeloid progenitor CL0000049
    CSI 1.4
    rCSI 1.1%
    PRS 53.6%
  • chondrocyte CL0000138
    CSI 1.4
    rCSI 2.2%
    PRS 45.0%
  • multi-ciliated epithelial cell CL0005012
    CSI 1.4
    rCSI 1.4%
    PRS 46.1%
  • radial glial cell CL0000681
    CSI 1.4
    rCSI 2.0%
    PRS 51.7%
  • kidney interstitial alternatively activated macrophage CL1000695
    CSI 1.4
    rCSI 3.7%
    PRS 51.7%
  • cardiac neuron CL0010022
    CSI 1.4
    rCSI 4.6%
    PRS 49.3%
  • respiratory hillock cell CL4030023
    CSI 1.4
    rCSI 2.6%
    PRS 67.2%
  • L6b glutamatergic cortical neuron CL4023038
    CSI 1.4
    rCSI 4.5%
    PRS 36.8%
  • neuroblast (sensu Vertebrata) CL0000031
    CSI 1.5
    rCSI 1.9%
    PRS 50.2%
  • sst GABAergic cortical interneuron CL4023017
    CSI 1.5
    rCSI 1.9%
    PRS 36.5%
  • renal alpha-intercalated cell CL0005011
    CSI 1.6
    rCSI 2.1%
    PRS 61.1%
  • cerebral cortex endothelial cell CL1001602
    CSI 1.6
    rCSI 2.8%
    PRS 42.7%
  • blood vessel endothelial cell CL0000071
    CSI 1.6
    rCSI 3.3%
    PRS 49.8%
  • retinal ganglion cell CL0000740
    CSI 1.6
    rCSI 3.6%
    PRS 39.6%
  • T follicular helper cell CL0002038
    CSI 1.6
    rCSI 1.2%
    PRS 67.8%
  • plasmacytoid dendritic cell, human CL0001058
    CSI 1.6
    rCSI 1.1%
    PRS 54.9%
  • stem cell CL0000034
    CSI 1.7
    rCSI 1.6%
    PRS 43.0%
  • ciliated epithelial cell CL0000067
    CSI 1.7
    rCSI 1.5%
    PRS 40.9%
  • lymphoid lineage restricted progenitor cell CL0000838
    CSI 1.7
    rCSI 6.6%
    PRS 73.0%
  • transit amplifying cell of colon CL0009011
    CSI 1.7
    rCSI 2.0%
    PRS 55.6%
  • kidney loop of Henle thin ascending limb epithelial cell CL1001107
    CSI 1.7
    rCSI 4.4%
    PRS 47.9%
  • plasmablast CL0000980
    CSI 1.7
    rCSI 1.3%
    PRS 59.1%
  • indirect pathway medium spiny neuron CL4023029
    CSI 1.7
    rCSI 41.6%
    PRS 35.8%
  • enteric smooth muscle cell CL0002504
    CSI 1.8
    rCSI 2.5%
    PRS 55.1%
  • early lymphoid progenitor CL0000936
    CSI 1.8
    rCSI 1.5%
    PRS 57.8%
  • immature B cell CL0000816
    CSI 1.8
    rCSI 1.3%
    PRS 66.4%
  • pancreatic D cell CL0000173
    CSI 1.8
    rCSI 1.7%
    PRS 55.0%
  • alveolar type 1 fibroblast cell CL4028004
    CSI 1.8
    rCSI 2.0%
    PRS 56.2%
  • activated type II NK T cell CL0000931
    CSI 1.8
    rCSI 2.0%
    PRS 69.0%
  • alternatively activated macrophage CL0000890
    CSI 1.8
    rCSI 2.3%
    PRS 65.4%
  • fibroblast of lung CL0002553
    CSI 1.8
    rCSI 1.7%
    PRS 52.2%
  • CD8-positive, alpha-beta cytotoxic T cell CL0000794
    CSI 1.8
    rCSI 2.2%
    PRS 72.8%
  • direct pathway medium spiny neuron CL4023026
    CSI 1.9
    rCSI 44.3%
    PRS 34.8%
  • myoepithelial cell CL0000185
    CSI 1.9
    rCSI 4.7%
    PRS 60.9%
  • myeloid leukocyte CL0000766
    CSI 1.9
    rCSI 1.7%
    PRS 53.5%
  • kidney loop of Henle thin descending limb epithelial cell CL1001111
    CSI 1.9
    rCSI 2.7%
    PRS 48.9%

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 [API5](/details-gene/8539) (Apoptosis Inhibitor 5) is a protein-coding gene located on chromosome 11 that plays a crucial role in the negative regulation of programmed cell death. As its name suggests, its primary function is to inhibit apoptosis, a process essential for normal development and tissue homeostasis. Functional annotations reveal its involvement in suppressing the apoptotic process, particularly in fibroblasts, and its ability to bind fibroblast growth factor, proteins, and RNA. **Overall**, expression data indicates that [API5](/details-gene/8539) is a significant and broadly expressed gene, showing particular importance in diverse cell types such as [type B pancreatic cell](/details-cell/CL0000169), [interstitial cell of Cajal](/details-cell/CL0002088), [mesodermal cell](/details-cell/CL0000222), and various immune cells. This widespread expression pattern is consistent with a fundamental role in maintaining cell survival across multiple physiological systems. ## Cellular Roles and Expression Landscape The expression profile of [API5](/details-gene/8539) highlights its importance in a wide array of specialized cell types, suggesting a conserved and fundamental cellular survival function. The gene shows its highest significance in cells critical for endocrine function ([type B pancreatic cell](/details-cell/CL0000169)), gastrointestinal motility ([interstitial cell of Cajal](/details-cell/CL0002088)), and embryonic development ([mesodermal cell](/details-cell/CL0000222)). Furthermore, [API5](/details-gene/8539) demonstrates significant expression in various structural and immune cell populations. Its relevance in [alveolar adventitial fibroblast](/details-cell/CL4028006) aligns with early research identifying it as a factor protecting fibroblasts from apoptosis ([Link](https://pubmed.ncbi.nlm.nih.gov/9307294/)). Its notable expression in lymphocytes, including [effector CD8-positive, alpha-beta T cell](/details-cell/CL0001050) and [class switched memory B cell](/details-cell/CL0000972), suggests a role in regulating immune cell longevity and function during and after an immune response. The gene's activity extends to diverse cell types including cardiac myocytes, central nervous system cells like [astrocytes](/details-cell/CL0002605), and epithelial cells, underscoring its broad biological footprint. ## Pathways and Molecular Function Functionally, [API5](/details-gene/8539) is primarily associated with the '[Negative regulation of apoptotic process](/details-ontology/GO:0043066)'. This anti-apoptotic activity appears central to its biological role across different cellular contexts. Its molecular functions include '[Protein binding](/details-ontology/GO:0005515)' and '[Rna binding](/details-ontology/GO:0003723)', and it has been shown to interact with Acinus to regulate DNA fragmentation during apoptosis ([Link](https://doi.org/10.1038/emboj.2009.106)). A key interaction is with fibroblast growth factor ([Fibroblast growth factor binding](/details-ontology/GO:0017134)), where it may act as a nuclear factor modulating FGF2-mediated signaling pathways related to cell survival ([Link](https://doi.org/10.1210/mend.14.11.0556)). The protein product of [API5](/details-gene/8539) is found in multiple subcellular compartments, including the '[Cytoplasm](/details-ontology/GO:0005737)' and the '[Nucleus](/details-ontology/GO:0005634)'. Its presence in '[Nuclear speck](/details-ontology/GO:0016607)' and the '[Spliceosomal complex](/details-ontology/GO:0005681)' suggests it may also participate in the regulation of gene expression at the level of RNA processing, in addition to its direct anti-apoptotic functions. ## Research Directions The established role of [API5](/details-gene/8539) as an anti-apoptotic factor, combined with its widespread expression, makes it a gene of significant interest in both normal physiology and disease. Research has demonstrated its overexpression in several cancers, where it is thought to contribute to tumorigenesis by allowing malignant cells to evade apoptosis ([Link](https://doi.org/10.1038/labinvest.3780063); [Link](https://doi.org/10.1016/s0169-5002(01)00213-6)). This provides a strong basis for further investigation into its pathological mechanisms and therapeutic potential. **Proposed Hypotheses:** 1. Given its high significance in [type B pancreatic cell](/details-cell/CL0000169), [API5](/details-gene/8539) may be a critical survival factor that protects these insulin-producing cells from metabolic or inflammatory stress. Its downregulation or dysfunction could therefore contribute to the beta-cell loss observed in diabetes mellitus. 2. The interaction between [API5](/details-gene/8539) and FGF2 may be a key oncogenic driver in certain malignancies. This interaction could activate pro-survival signaling pathways that are distinct from canonical FGF receptor signaling, representing a specific vulnerability in cancers where both are upregulated, such as B cell chronic lymphoid leukemia ([Link](https://doi.org/10.1189/jlb.0607425)). **Experimental Approach:** To test the first hypothesis regarding its role in pancreatic beta cells, a conditional knockout mouse model could be generated where [API5](/details-gene/8539) is specifically deleted in beta cells (e.g., using an *Ins1*-Cre driver). These mice and their wild-type littermates would be subjected to diabetogenic stress, such as a high-fat diet or low-dose streptozotocin treatment. Beta-cell mass, function (glucose tolerance tests), and rates of apoptosis (TUNEL staining) would be meticulously quantified to determine if the loss of [API5](/details-gene/8539) sensitizes beta cells to destruction and accelerates the onset of diabetes. **Therapeutic Potential:** Given its function in suppressing cell death and its documented overexpression in multiple human cancers, including lung, cervical, and hematological malignancies, [API5](/details-gene/8539) is a compelling target for anti-cancer therapy. The therapeutic strategy would focus on **inhibition**. Developing small molecule inhibitors or biologic agents (e.g., antisense oligonucleotides) that disrupt [API5](/details-gene/8539) expression or its protein-protein interactions could effectively re-sensitize tumor cells to apoptosis, potentially acting synergistically with conventional chemotherapy or radiotherapy.

Genular Protein ID: 2078202284

Symbol: API5_HUMAN

Name: Antiapoptosis clone 11 protein

UniProtKB Accession Codes:

Database IDs:

Citations:

PubMed ID: 9307294

Title: AAC-11, a novel cDNA that inhibits apoptosis after growth factor withdrawal.

PubMed ID: 9307294

PubMed ID: 10393420

Title: Molecular cloning and fine mapping of API5L1, a novel human gene strongly related to an antiapoptotic gene.

PubMed ID: 10393420

DOI: 10.1159/000015247

PubMed ID: 11075807

Title: FIF [fibroblast growth factor-2 (FGF-2)-interacting-factor], a nuclear putatively antiapoptotic factor, interacts specifically with FGF-2.

PubMed ID: 11075807

DOI: 10.1210/mend.14.11.0556

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: 8889549

Title: Generation and analysis of 280,000 human expressed sequence tags.

PubMed ID: 8889549

DOI: 10.1101/gr.6.9.807

PubMed ID: 10780674

Title: AAC-11 overexpression induces invasion and protects cervical cancer cells from apoptosis.

PubMed ID: 10780674

DOI: 10.1038/labinvest.3780063

PubMed ID: 11557113

Title: Expression of the antiapoptosis gene, AAC-11, as a prognosis marker in non-small cell lung cancer.

PubMed ID: 11557113

DOI: 10.1016/s0169-5002(01)00213-6

PubMed ID: 17081983

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

PubMed ID: 17081983

DOI: 10.1016/j.cell.2006.09.026

PubMed ID: 17112319

Title: Functional identification of Api5 as a suppressor of E2F-dependent apoptosis in vivo.

PubMed ID: 17112319

DOI: 10.1371/journal.pgen.0020196

PubMed ID: 17827341

Title: The antiapoptotic protein Api5 and its partner, high molecular weight FGF2, are up-regulated in B cell chronic lymphoid leukemia.

PubMed ID: 17827341

DOI: 10.1189/jlb.0607425

PubMed ID: 19387494

Title: The antiapoptotic protein AAC-11 interacts with and regulates Acinus-mediated DNA fragmentation.

PubMed ID: 19387494

DOI: 10.1038/emboj.2009.106

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: 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: 24275569

Title: An enzyme assisted RP-RPLC approach for in-depth analysis of human liver phosphoproteome.

PubMed ID: 24275569

DOI: 10.1016/j.jprot.2013.11.014

PubMed ID: 24129315

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

PubMed ID: 24129315

DOI: 10.1074/mcp.o113.027870

PubMed ID: 22334682

Title: Helical repeat structure of apoptosis inhibitor 5 reveals protein-protein interaction modules.

PubMed ID: 22334682

DOI: 10.1074/jbc.m111.317594

Sequence Information:

  • Length: 524
  • Mass: 59005
  • Checksum: A2EA6BE4D8318BB9
  • Sequence:
  • MPTVEELYRN YGILADATEQ VGQHKDAYQV ILDGVKGGTK EKRLAAQFIP KFFKHFPELA 
    DSAINAQLDL CEDEDVSIRR QAIKELPQFA TGENLPRVAD ILTQLLQTDD SAEFNLVNNA 
    LLSIFKMDAK GTLGGLFSQI LQGEDIVRER AIKFLSTKLK TLPDEVLTKE VEELILTESK 
    KVLEDVTGEE FVLFMKILSG LKSLQTVSGR QQLVELVAEQ ADLEQTFNPS DPDCVDRLLQ 
    CTRQAVPLFS KNVHSTRFVT YFCEQVLPNL GTLTTPVEGL DIQLEVLKLL AEMSSFCGDM 
    EKLETNLRKL FDKLLEYMPL PPEEAENGEN AGNEEPKLQF SYVECLLYSF HQLGRKLPDF 
    LTAKLNAEKL KDFKIRLQYF ARGLQVYIRQ LRLALQGKTG EALKTEENKI KVVALKITNN 
    INVLIKDLFH IPPSYKSTVT LSWKPVQKVE IGQKRASEDT TSGSPPKKSS AGPKRDARQI 
    YNPPSGKYSS NLGNFNYEQR GAFRGSRGGR GWGTRGNRSR GRLY

Genular Protein ID: 2661738722

Symbol: B4DDR3_HUMAN

Name: N/A

UniProtKB Accession Codes:

Database IDs:

Sequence Information:

  • Length: 331
  • Mass: 37508
  • Checksum: D6E3EC7C3DDAFCB9
  • Sequence:
  • MPTVEELYRN YGILADATEQ VGQHKDAYQV ILDGVKGGTK EKRLAAQFIP KFFKHFPELA 
    DSAINAQLDL CEDEDVSIRR QAIKELPQFA TGENLPRVAD ILTQLLQTDD SAEFNLVNNA 
    LLSIFKMEKL ETNLRKLFDK LLEYMPLPPE EAENGENAGN EEPKLQFSYV ECLLYSFHQL 
    GRKLPDFLTA KLNAEKLKDF KIRLQYFARG LQVYIRQLRL ALQGKTGEAL KTEENKIKVV 
    ALKITNNINV LIKDLFHIPP SYKSTVTLSW KPVQKVEIGQ KRASEDTTSG SPPKKSSAGP 
    KRDARQIYNP PSGKYSSNLG NFNYERSLQG K