Details for: CHMP4A

Gene ID: 29082

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: CHMP4A

Ensembl ID: ENSG00000254505

Description: charged multivesicular body protein 4A

Selected Context(s):  Overall

Cell Significance Landscape

Contexts:

Associated with

Significant Cells

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

  • plasmacytoid dendritic cell, human CL0001058
    CSI 16.65
    rCSI 11.63%
    PRS 74.55
  • intestinal epithelial cell CL0002563
    CSI 16.57
    rCSI 17.32%
    PRS 69.21
  • pancreatic ductal cell CL0002079
    CSI 14.89
    rCSI 28.95%
    PRS 74.92
  • effector memory CD8-positive, alpha-beta T cell CL0000913
    CSI 14.69
    rCSI 13.38%
    PRS 84.8
  • group 3 innate lymphoid cell CL0001071
    CSI 14.67
    rCSI 11.02%
    PRS 77.39
  • early lymphoid progenitor CL0000936
    CSI 8.7
    rCSI 7.64%
    PRS 76.9
  • CD14-positive, CD16-positive monocyte CL0002397
    CSI 8.65
    rCSI 11.33%
    PRS 83.72
  • lung ciliated cell CL1000271
    CSI 8.63
    rCSI 9.98%
    PRS 62.58
  • myeloid leukocyte CL0000766
    CSI 6.64
    rCSI 6.12%
    PRS 73.17
  • transit amplifying cell of colon CL0009011
    CSI 6.3
    rCSI 7.4%
    PRS 73.64
  • perivascular cell CL4033054
    CSI 6.14
    rCSI 8.39%
    PRS 76.97
  • stem cell CL0000034
    CSI 5.72
    rCSI 5.52%
    PRS 63.36
  • kidney connecting tubule epithelial cell CL1000768
    CSI 5.27
    rCSI 13.37%
    PRS 61.15
  • vascular associated smooth muscle cell CL0000359
    CSI 5.25
    rCSI 17.03%
    PRS 70.56
  • fallopian tube secretory epithelial cell CL4030006
    CSI 5.17
    rCSI 4.98%
    PRS 71.12
  • mononuclear phagocyte CL0000113
    CSI 5.07
    rCSI 11.17%
    PRS 75.58
  • kidney loop of Henle thin ascending limb epithelial cell CL1001107
    CSI 4.96
    rCSI 12.83%
    PRS 66.39
  • pancreatic A cell CL0000171
    CSI 4.85
    rCSI 5.09%
    PRS 74.94
  • CD4-positive, alpha-beta cytotoxic T cell CL0000934
    CSI 4.39
    rCSI 6.03%
    PRS 88.71
  • effector memory CD8-positive, alpha-beta T cell, terminally differentiated CL0001062
    CSI 4.28
    rCSI 21.48%
    PRS 83.82
  • effector CD4-positive, alpha-beta T cell CL0001044
    CSI 4.17
    rCSI 11.97%
    PRS 89.26
  • microcirculation associated smooth muscle cell CL0008035
    CSI 4.16
    rCSI 12.06%
    PRS 71.99
  • type EC enteroendocrine cell CL0000577
    CSI 4.03
    rCSI 14.32%
    PRS 77.86
  • unswitched memory B cell CL0000970
    CSI 3.99
    rCSI 3.35%
    PRS 86.27
  • CD4-positive, alpha-beta thymocyte CL0000810
    CSI 3.93
    rCSI 3.15%
    PRS 88.23
  • double negative thymocyte CL0002489
    CSI 3.41
    rCSI 2.37%
    PRS 82.91
  • CD16-negative, CD56-bright natural killer cell, human CL0000938
    CSI 3.34
    rCSI 2.5%
    PRS 91.9
  • epithelial cell of lung CL0000082
    CSI 3.13
    rCSI 2.59%
    PRS 71.67
  • naive thymus-derived CD4-positive, alpha-beta T cell CL0000895
    CSI 3.04
    rCSI 3.82%
    PRS 91.32
  • intraepithelial lymphocyte CL0002496
    CSI 3.01
    rCSI 8.19%
    PRS 92.85
  • CD8-positive, alpha-beta memory T cell CL0000909
    CSI 2.99
    rCSI 3.12%
    PRS 88.55
  • ciliated cell CL0000064
    CSI 2.97
    rCSI 4.82%
    PRS 67.08
  • extravillous trophoblast CL0008036
    CSI 2.94
    rCSI 3.64%
    PRS 68.66
  • glutamatergic neuron CL0000679
    CSI 2.91
    rCSI 5.97%
    PRS 60.12
  • CD14-positive monocyte CL0001054
    CSI 2.84
    rCSI 3.54%
    PRS 81.85
  • alveolar macrophage CL0000583
    CSI 2.79
    rCSI 4.6%
    PRS 76.59
  • transitional stage B cell CL0000818
    CSI 2.75
    rCSI 9.02%
    PRS 91
  • M cell of gut CL0000682
    CSI 2.75
    rCSI 2.92%
    PRS 79.01
  • CD16-positive, CD56-dim natural killer cell, human CL0000939
    CSI 2.72
    rCSI 1.81%
    PRS 86.93
  • T follicular helper cell CL0002038
    CSI 2.72
    rCSI 2.03%
    PRS 85.35
  • common myeloid progenitor CL0000049
    CSI 2.71
    rCSI 2.19%
    PRS 73.45
  • IgA plasma cell CL0000987
    CSI 2.62
    rCSI 2.68%
    PRS 82.41
  • mature T cell CL0002419
    CSI 2.6
    rCSI 2.02%
    PRS 87.37
  • inflammatory macrophage CL0000863
    CSI 2.58
    rCSI 4.41%
    PRS 90.15
  • pancreatic D cell CL0000173
    CSI 2.55
    rCSI 2.51%
    PRS 74.16
  • fraction A pre-pro B cell CL0002045
    CSI 2.52
    rCSI 2.88%
    PRS 86.02
  • central memory CD4-positive, alpha-beta T cell CL0000904
    CSI 2.46
    rCSI 1.45%
    PRS 87.58
  • epithelial cell CL0000066
    CSI 2.45
    rCSI 3.77%
    PRS 63.76
  • plasmablast CL0000980
    CSI 2.45
    rCSI 1.93%
    PRS 77.95
  • myofibroblast cell CL0000186
    CSI 2.43
    rCSI 3.36%
    PRS 70.53
  • colon epithelial cell CL0011108
    CSI 2.39
    rCSI 2.5%
    PRS 68.48
  • interneuron CL0000099
    CSI 2.32
    rCSI 4.66%
    PRS 60.74
  • Schwann cell CL0002573
    CSI 2.29
    rCSI 6.52%
    PRS 68.19
  • activated CD8-positive, alpha-beta T cell CL0000906
    CSI 2.28
    rCSI 2.24%
    PRS 88.19
  • class switched memory B cell CL0000972
    CSI 2.28
    rCSI 1.7%
    PRS 85.95
  • dendritic cell CL0000451
    CSI 2.26
    rCSI 2.79%
    PRS 80.09
  • granulocyte monocyte progenitor cell CL0000557
    CSI 2.26
    rCSI 1.96%
    PRS 76.15
  • T-helper 17 cell CL0000899
    CSI 2.24
    rCSI 1.78%
    PRS 90.22
  • regulatory T cell CL0000815
    CSI 2.23
    rCSI 2.59%
    PRS 76.95
  • effector CD8-positive, alpha-beta T cell CL0001050
    CSI 2.22
    rCSI 1.69%
    PRS 84.15
  • plasma cell CL0000786
    CSI 2.2
    rCSI 2.88%
    PRS 89.75
  • corticothalamic-projecting glutamatergic cortical neuron CL4023013
    CSI 2.19
    rCSI 12.88%
    PRS 53.78
  • IgG plasma cell CL0000985
    CSI 2.18
    rCSI 2.62%
    PRS 85.11
  • CD4-positive helper T cell CL0000492
    CSI 2.14
    rCSI 1.62%
    PRS 84.61
  • T cell CL0000084
    CSI 2.14
    rCSI 4.19%
    PRS 92.94
  • activated type II NK T cell CL0000931
    CSI 2.12
    rCSI 2.39%
    PRS 86.22
  • cerebral cortex GABAergic interneuron CL0010011
    CSI 2.11
    rCSI 6.24%
    PRS 73.42
  • goblet cell CL0000160
    CSI 2.11
    rCSI 2%
    PRS 70.73
  • CD4-positive, CD25-positive, alpha-beta regulatory T cell CL0000792
    CSI 2.11
    rCSI 2.07%
    PRS 85.96
  • precursor B cell CL0000817
    CSI 2.06
    rCSI 1.8%
    PRS 79.88
  • hematopoietic precursor cell CL0008001
    CSI 2.03
    rCSI 2.09%
    PRS 85.56
  • neuroblast (sensu Vertebrata) CL0000031
    CSI 2.01
    rCSI 2.58%
    PRS 67.99
  • cerebral cortex endothelial cell CL1001602
    CSI 2
    rCSI 3.46%
    PRS 61.99
  • effector memory CD4-positive, alpha-beta T cell CL0000905
    CSI 1.99
    rCSI 2.72%
    PRS 91.39
  • megakaryocyte-erythroid progenitor cell CL0000050
    CSI 1.96
    rCSI 1.77%
    PRS 68.78
  • macrophage CL0000235
    CSI 1.94
    rCSI 3.53%
    PRS 83.23
  • ionocyte CL0005006
    CSI 1.92
    rCSI 2.06%
    PRS 72
  • myoepithelial cell CL0000185
    CSI 1.92
    rCSI 4.86%
    PRS 78.19
  • myeloid dendritic cell CL0000782
    CSI 1.91
    rCSI 2.77%
    PRS 85.87
  • colonocyte CL1000347
    CSI 1.91
    rCSI 2.73%
    PRS 73.56
  • enterocyte CL0000584
    CSI 1.9
    rCSI 3.06%
    PRS 72.6
  • central memory CD8-positive, alpha-beta T cell CL0000907
    CSI 1.9
    rCSI 1.28%
    PRS 84.57
  • podocyte CL0000653
    CSI 1.89
    rCSI 8.4%
    PRS 71.76
  • multi-ciliated epithelial cell CL0005012
    CSI 1.87
    rCSI 1.86%
    PRS 65.02
  • ciliated epithelial cell CL0000067
    CSI 1.84
    rCSI 1.62%
    PRS 59.63
  • neural crest cell CL0011012
    CSI 1.79
    rCSI 1.41%
    PRS 58.81
  • immature B cell CL0000816
    CSI 1.77
    rCSI 1.32%
    PRS 83.86
  • conventional dendritic cell CL0000990
    CSI 1.77
    rCSI 1.48%
    PRS 76.7
  • Mueller cell CL0000636
    CSI 1.76
    rCSI 4.03%
    PRS 62.77
  • pancreatic acinar cell CL0002064
    CSI 1.72
    rCSI 2.29%
    PRS 77.81
  • type L enteroendocrine cell CL0002279
    CSI 1.71
    rCSI 3.21%
    PRS 82.36
  • CD14-low, CD16-positive monocyte CL0002396
    CSI 1.71
    rCSI 1.32%
    PRS 73.46
  • pro-B cell CL0000826
    CSI 1.71
    rCSI 1.41%
    PRS 73.85
  • double-positive, alpha-beta thymocyte CL0000809
    CSI 1.7
    rCSI 1.74%
    PRS 82.59
  • non-classical monocyte CL0000875
    CSI 1.7
    rCSI 2.72%
    PRS 87.23
  • transit amplifying cell CL0009010
    CSI 1.69
    rCSI 2.59%
    PRS 82.52
  • T-helper 1 cell CL0000545
    CSI 1.69
    rCSI 3.05%
    PRS 89.25
  • mature B cell CL0000785
    CSI 1.69
    rCSI 1.47%
    PRS 81.88
  • astrocyte of the cerebral cortex CL0002605
    CSI 1.68
    rCSI 3.76%
    PRS 53.26
  • pancreatic stellate cell CL0002410
    CSI 1.67
    rCSI 9.73%
    PRS 77.97
  • pre-conventional dendritic cell CL0002010
    CSI 0.2
    rCSI 2.3%
    PRS 92.0%
  • paneth cell of colon CL0009009
    CSI 0.2
    rCSI 1.8%
    PRS 84.4%
  • cytotoxic T cell CL0000910
    CSI 0.2
    rCSI 1.1%
    PRS 78.4%
  • respiratory goblet cell CL0002370
    CSI 0.2
    rCSI 2.3%
    PRS 83.0%
  • Cajal-Retzius cell CL0000695
    CSI 0.3
    rCSI 2.1%
    PRS 79.5%
  • blood vessel smooth muscle cell CL0019018
    CSI 0.3
    rCSI 2.5%
    PRS 65.0%
  • erythroid progenitor cell CL0000038
    CSI 0.4
    rCSI 2.1%
    PRS 79.0%
  • vein endothelial cell of respiratory system CL4033008
    CSI 0.4
    rCSI 2.5%
    PRS 81.5%
  • bronchiolar smooth muscle cell CL4033017
    CSI 0.4
    rCSI 5.7%
    PRS 83.9%
  • lymphoid lineage restricted progenitor cell CL0000838
    CSI 0.4
    rCSI 1.6%
    PRS 89.1%
  • megakaryocyte CL0000556
    CSI 0.5
    rCSI 2.0%
    PRS 80.5%
  • colon goblet cell CL0009039
    CSI 0.7
    rCSI 1.6%
    PRS 78.9%
  • deuterosomal cell CL4033044
    CSI 0.7
    rCSI 2.2%
    PRS 72.0%
  • germinal center B cell CL0000844
    CSI 0.7
    rCSI 2.1%
    PRS 84.6%
  • myeloid lineage restricted progenitor cell CL0000839
    CSI 0.8
    rCSI 3.9%
    PRS 89.5%
  • pancreatic PP cell CL0002275
    CSI 0.8
    rCSI 3.0%
    PRS 81.4%
  • mammary gland epithelial cell CL0002327
    CSI 0.8
    rCSI 2.7%
    PRS 81.6%
  • retinal cone cell CL0000573
    CSI 0.8
    rCSI 1.2%
    PRS 60.8%
  • hematopoietic multipotent progenitor cell CL0000837
    CSI 0.9
    rCSI 2.1%
    PRS 86.7%
  • mature alpha-beta T cell CL0000791
    CSI 0.9
    rCSI 3.1%
    PRS 88.3%
  • intermediate monocyte CL0002393
    CSI 0.9
    rCSI 1.4%
    PRS 76.7%
  • promonocyte CL0000559
    CSI 0.9
    rCSI 1.5%
    PRS 79.2%
  • forebrain radial glial cell CL0013000
    CSI 0.9
    rCSI 2.9%
    PRS 74.9%
  • pancreatic epsilon cell CL0005019
    CSI 1.0
    rCSI 4.4%
    PRS 83.9%
  • primitive red blood cell CL0002355
    CSI 1.0
    rCSI 5.4%
    PRS 80.7%
  • pulmonary alveolar type 2 cell CL0002063
    CSI 1.1
    rCSI 1.6%
    PRS 77.6%
  • peripheral nervous system neuron CL2000032
    CSI 1.1
    rCSI 1.4%
    PRS 62.8%
  • dendritic cell, human CL0001056
    CSI 1.1
    rCSI 1.8%
    PRS 80.8%
  • innate lymphoid cell CL0001065
    CSI 1.2
    rCSI 2.4%
    PRS 70.7%
  • Hofbauer cell CL3000001
    CSI 1.2
    rCSI 2.2%
    PRS 81.4%
  • Langerhans cell CL0000453
    CSI 1.2
    rCSI 1.9%
    PRS 85.2%
  • club cell CL0000158
    CSI 1.2
    rCSI 1.8%
    PRS 66.3%
  • mesenchymal cell CL0008019
    CSI 1.2
    rCSI 3.1%
    PRS 65.1%
  • glandular epithelial cell CL0000150
    CSI 1.2
    rCSI 3.3%
    PRS 86.2%
  • lung secretory cell CL1000272
    CSI 1.3
    rCSI 3.1%
    PRS 70.4%
  • kidney epithelial cell CL0002518
    CSI 1.3
    rCSI 2.4%
    PRS 87.6%
  • promyelocyte CL0000836
    CSI 1.3
    rCSI 1.8%
    PRS 79.2%
  • stromal cell of ovary CL0002132
    CSI 1.3
    rCSI 3.5%
    PRS 81.1%
  • BEST4+ enteroycte CL4030026
    CSI 1.3
    rCSI 1.6%
    PRS 73.1%
  • CD8-positive, alpha-beta memory T cell, CD45RO-positive CL0001203
    CSI 1.3
    rCSI 1.6%
    PRS 54.7%
  • CD14-positive, CD16-negative classical monocyte CL0002057
    CSI 1.3
    rCSI 7.9%
    PRS 86.3%
  • enteroendocrine cell of small intestine CL0009006
    CSI 1.3
    rCSI 2.9%
    PRS 82.0%
  • epithelial cell of proximal tubule CL0002306
    CSI 1.3
    rCSI 3.2%
    PRS 64.5%
  • hematopoietic stem cell CL0000037
    CSI 1.3
    rCSI 0.9%
    PRS 74.3%
  • keratinocyte CL0000312
    CSI 1.4
    rCSI 1.1%
    PRS 74.9%
  • neuroblast (sensu Nematoda and Protostomia) CL0000338
    CSI 1.4
    rCSI 1.6%
    PRS 63.8%
  • CD1c-positive myeloid dendritic cell CL0002399
    CSI 1.4
    rCSI 1.7%
    PRS 80.4%
  • radial glial cell CL0000681
    CSI 1.4
    rCSI 2.0%
    PRS 70.0%
  • intestine goblet cell CL0019031
    CSI 1.5
    rCSI 1.4%
    PRS 69.4%
  • basal cell CL0000646
    CSI 1.6
    rCSI 2.1%
    PRS 71.2%
  • helper T cell CL0000912
    CSI 1.6
    rCSI 2.2%
    PRS 73.6%
  • granulocyte CL0000094
    CSI 1.6
    rCSI 2.4%
    PRS 80.2%
  • common dendritic progenitor CL0001029
    CSI 1.6
    rCSI 2.0%
    PRS 81.4%
  • mesodermal cell CL0000222
    CSI 1.6
    rCSI 1.9%
    PRS 69.6%
  • glioblast CL0000030
    CSI 1.6
    rCSI 2.6%
    PRS 63.1%
  • type B pancreatic cell CL0000169
    CSI 1.6
    rCSI 3.6%
    PRS 70.2%
  • small pre-B-II cell CL0000954
    CSI 1.6
    rCSI 1.6%
    PRS 88.9%
  • late pro-B cell CL0002048
    CSI 1.6
    rCSI 4.1%
    PRS 89.5%
  • luminal epithelial cell of mammary gland CL0002326
    CSI 1.7
    rCSI 3.0%
    PRS 84.5%
  • placental villous trophoblast CL2000060
    CSI 1.7
    rCSI 2.6%
    PRS 70.4%
  • activated CD4-positive, alpha-beta T cell CL0000896
    CSI 1.7
    rCSI 1.5%
    PRS 88.2%
  • enteroendocrine cell CL0000164
    CSI 1.7
    rCSI 2.3%
    PRS 72.3%
  • pancreatic stellate cell CL0002410
    CSI 1.7
    rCSI 9.7%
    PRS 78.0%
  • astrocyte of the cerebral cortex CL0002605
    CSI 1.7
    rCSI 3.8%
    PRS 53.3%
  • mature B cell CL0000785
    CSI 1.7
    rCSI 1.5%
    PRS 81.9%
  • T-helper 1 cell CL0000545
    CSI 1.7
    rCSI 3.1%
    PRS 89.3%
  • transit amplifying cell CL0009010
    CSI 1.7
    rCSI 2.6%
    PRS 82.5%
  • non-classical monocyte CL0000875
    CSI 1.7
    rCSI 2.7%
    PRS 87.2%
  • double-positive, alpha-beta thymocyte CL0000809
    CSI 1.7
    rCSI 1.7%
    PRS 82.6%
  • pro-B cell CL0000826
    CSI 1.7
    rCSI 1.4%
    PRS 73.9%
  • CD14-low, CD16-positive monocyte CL0002396
    CSI 1.7
    rCSI 1.3%
    PRS 73.5%
  • type L enteroendocrine cell CL0002279
    CSI 1.7
    rCSI 3.2%
    PRS 82.4%
  • pancreatic acinar cell CL0002064
    CSI 1.7
    rCSI 2.3%
    PRS 77.8%
  • Mueller cell CL0000636
    CSI 1.8
    rCSI 4.0%
    PRS 62.8%
  • conventional dendritic cell CL0000990
    CSI 1.8
    rCSI 1.5%
    PRS 76.7%
  • immature B cell CL0000816
    CSI 1.8
    rCSI 1.3%
    PRS 83.9%
  • neural crest cell CL0011012
    CSI 1.8
    rCSI 1.4%
    PRS 58.8%
  • ciliated epithelial cell CL0000067
    CSI 1.8
    rCSI 1.6%
    PRS 59.6%
  • multi-ciliated epithelial cell CL0005012
    CSI 1.9
    rCSI 1.9%
    PRS 65.0%
  • podocyte CL0000653
    CSI 1.9
    rCSI 8.4%
    PRS 71.8%
  • central memory CD8-positive, alpha-beta T cell CL0000907
    CSI 1.9
    rCSI 1.3%
    PRS 84.6%
  • enterocyte CL0000584
    CSI 1.9
    rCSI 3.1%
    PRS 72.6%
  • colonocyte CL1000347
    CSI 1.9
    rCSI 2.7%
    PRS 73.6%
  • myeloid dendritic cell CL0000782
    CSI 1.9
    rCSI 2.8%
    PRS 85.9%
  • myoepithelial cell CL0000185
    CSI 1.9
    rCSI 4.9%
    PRS 78.2%
  • ionocyte CL0005006
    CSI 1.9
    rCSI 2.1%
    PRS 72.0%
  • macrophage CL0000235
    CSI 1.9
    rCSI 3.5%
    PRS 83.2%
  • megakaryocyte-erythroid progenitor cell CL0000050
    CSI 2.0
    rCSI 1.8%
    PRS 68.8%
  • effector memory CD4-positive, alpha-beta T cell CL0000905
    CSI 2.0
    rCSI 2.7%
    PRS 91.4%
  • cerebral cortex endothelial cell CL1001602
    CSI 2.0
    rCSI 3.5%
    PRS 62.0%
  • neuroblast (sensu Vertebrata) CL0000031
    CSI 2.0
    rCSI 2.6%
    PRS 68.0%
  • hematopoietic precursor cell CL0008001
    CSI 2.0
    rCSI 2.1%
    PRS 85.6%
  • precursor B cell CL0000817
    CSI 2.1
    rCSI 1.8%
    PRS 79.9%
  • CD4-positive, CD25-positive, alpha-beta regulatory T cell CL0000792
    CSI 2.1
    rCSI 2.1%
    PRS 86.0%
  • goblet cell CL0000160
    CSI 2.1
    rCSI 2.0%
    PRS 70.7%
  • cerebral cortex GABAergic interneuron CL0010011
    CSI 2.1
    rCSI 6.2%
    PRS 73.4%
  • activated type II NK T cell CL0000931
    CSI 2.1
    rCSI 2.4%
    PRS 86.2%
  • T cell CL0000084
    CSI 2.1
    rCSI 4.2%
    PRS 92.9%
  • CD4-positive helper T cell CL0000492
    CSI 2.1
    rCSI 1.6%
    PRS 84.6%
  • IgG plasma cell CL0000985
    CSI 2.2
    rCSI 2.6%
    PRS 85.1%

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)

Loading network (please wait)...

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 [CHMP4A](/details-gene/29082) (Charged Multivesicular Body Protein 4A) is a protein-coding gene located on chromosome 14q12. It is a crucial component of the Endosomal Sorting Complex Required for Transport III (ESCRT-III), a highly conserved machinery essential for membrane remodeling processes. Functionally, [CHMP4A](/details-gene/29082) participates in the formation of multivesicular bodies (MVBs), cytokinesis, plasma membrane repair, and autophagy. Its involvement in these fundamental cellular activities is reflected in its significant expression across a diverse range of cell types, including immune cells such as [plasmacytoid dendritic cell, human](/details-cell/CL0001058), and rapidly dividing epithelial cells like the [intestinal epithelial cell](/details-cell/CL0002563). The ESCRT machinery, including [CHMP4A](/details-gene/29082), is also co-opted by various viruses, such as HIV, for viral budding and egress ([Link](https://doi.org/10.1016/s0092-8674(03)00653-6)). ## Cellular Roles and Expression Landscape The expression profile of [CHMP4A](/details-gene/29082) highlights its importance in cells characterized by high rates of membrane trafficking, secretion, and proliferation. **Overall**, the gene shows the highest significance in both immune and epithelial lineages. It is a top marker in [plasmacytoid dendritic cell, human](/details-cell/CL0001058) (CSI: 16.65), a cell type specializing in antiviral responses and massive type I interferon secretion, a process heavily reliant on endosomal trafficking. High significance is also observed in other key immune populations, including [effector memory CD8-positive, alpha-beta T cell](/details-cell/CL0000913) (CSI: 14.69) and [group 3 innate lymphoid cell](/details-cell/CL0001071) (CSI: 14.67), suggesting a role in immune surveillance and effector functions. Concurrently, [CHMP4A](/details-gene/29082) is highly significant in epithelial cells from tissues with high turnover rates, such as [intestinal epithelial cell](/details-cell/CL0002563) (CSI: 16.57) and [pancreatic ductal cell](/details-cell/CL0002079) (CSI: 14.89). Its expression in [transit amplifying cell of colon](/details-cell/CL0009011) and [stem cell](/details-cell/CL0000034) is consistent with its established role in cell division, particularly in midbody abscission during cytokinesis ([Link](https://doi.org/10.1038/sj.emboj.7601850)). This broad expression pattern across functionally distinct, yet highly active, cell types underscores its fundamental role in core cellular machinery related to membrane dynamics and cell cycle completion. ## Pathways and Molecular Function The functional annotations for [CHMP4A](/details-gene/29082) confirm its role as a central component of the ESCRT-III complex. Its molecular function is primarily centered on [protein binding](/details-go/GO:0005515), including [identical protein binding](/details-go/GO:0042802), which is critical for its polymerization into filaments that drive membrane scission ([Link](https://doi.org/10.1083/jcb.200707031)). **Biological Processes:** The gene is integral to the [multivesicular body sorting pathway](/details-go/GO:0071985), which involves sorting ubiquitinated cargo into vesicles that bud into endosomes. This is a key step in protein degradation and cell surface receptor downregulation. Consistent with this, it is annotated to [multivesicular body assembly](/details-go/GO:0036258). [CHMP4A](/details-gene/29082) is also deeply involved in [autophagy](/details-go/GO:0006914), particularly in processes like [autophagosome maturation](/details-go/GO:0097352). Its essential role in cell division is captured by its involvement in [midbody abscission](/details-go/GO:0061952) and [nuclear membrane reassembly](/details-go/GO:0031468). **Reactome Pathways:** The pathway data further solidifies these roles, placing [CHMP4A](/details-gene/29082) centrally in the [Endosomal sorting complex required for transport (escrt)](/details-reactome/R-HSA-917729) pathway. Its function extends to the [cell cycle, mitotic](/details-reactome/R-HSA-69278) and broader [membrane trafficking](/details-reactome/R-HSA-199991). Notably, its function is highlighted in multiple infectious disease pathways, including [HIV infection](/details-reactome/R-HSA-162906) and [Sars-cov-2 infection](/details-reactome/R-HSA-9694516), where it participates in the [budding and maturation of hiv virion](/details-reactome/R-HSA-162588), demonstrating how viruses hijack this host machinery for their life cycle. ## Research Directions The widespread and fundamental role of [CHMP4A](/details-gene/29082) presents multiple avenues for future research, particularly at the intersection of immunology, cell biology, and infectious disease. 1. **Hypothesis 1:** Given the high significance of [CHMP4A](/details-gene/29082) in [plasmacytoid dendritic cell, human](/details-cell/CL0001058) and its function in MVB sorting, we hypothesize that [CHMP4A](/details-gene/29082) is critical for the proper trafficking of endosomal Toll-like receptors (e.g., TLR7/9) and viral nucleic acid ligands, a process essential for the massive type I interferon production characteristic of these cells. 2. **Hypothesis 2:** Based on its function in [midbody abscission](/details-go/GO:0061952) and high expression in rapidly proliferating cells like [intestinal epithelial cell](/details-cell/CL0002563), we hypothesize that subtle dysregulation or mutation of [CHMP4A](/details-gene/29082) could lead to failed cytokinesis, resulting in aneuploidy and genomic instability, thereby acting as a potential driver in the early stages of colorectal cancer. **Proposed Experimental Approach:** To test Hypothesis 1, one could use CRISPR-Cas9 or siRNA to deplete [CHMP4A](/details-gene/29082) in primary human pDCs or a relevant cell line (e.g., GEN2.2). These cells would then be stimulated with a TLR7 agonist (e.g., imiquimod) or an inactivated virus. The primary readouts would be the quantification of IFN-alpha secretion via ELISA and analysis of TLR7 localization relative to endosomal markers using super-resolution microscopy to determine if trafficking is impaired. **Therapeutic Potential:** As a core component of essential cellular machinery, systemic inhibition of [CHMP4A](/details-gene/29082) would likely cause significant toxicity. However, its crucial role in the budding of enveloped viruses, such as HIV ([Link](https://doi.org/10.1016/s0092-8674(03)00714-1)), makes it an attractive candidate for a host-directed antiviral therapeutic strategy. Developing small molecule inhibitors that disrupt the specific protein-protein interactions required for viral co-option of the ESCRT machinery, while minimally affecting its endogenous functions, could represent a novel class of broad-spectrum antiviral drugs. Such a strategy would focus on inhibition to prevent viral egress.

Genular Protein ID: 4198562863

Symbol: CHM4A_HUMAN

Name: Charged multivesicular body protein 4a

UniProtKB Accession Codes:

Database IDs:

Citations:

PubMed ID: 12860994

Title: The ALG-2-interacting protein Alix associates with CHMP4b, a human homologue of yeast Snf7 that is involved in multivesicular body sorting.

PubMed ID: 12860994

DOI: 10.1074/jbc.m301604200

PubMed ID: 14583093

Title: Structure and function of human Vps20 and Snf7 proteins.

PubMed ID: 14583093

DOI: 10.1042/bj20031347

PubMed ID: 11042152

Title: Cloning and functional analysis of cDNAs with open reading frames for 300 previously undefined genes expressed in CD34+ hematopoietic stem/progenitor cells.

PubMed ID: 11042152

DOI: 10.1101/gr.140200

PubMed ID: 12508121

Title: The DNA sequence and analysis of human chromosome 14.

PubMed ID: 12508121

DOI: 10.1038/nature01348

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: 14505569

Title: AIP1/ALIX is a binding partner for HIV-1 p6 and EIAV p9 functioning in virus budding.

PubMed ID: 14505569

DOI: 10.1016/s0092-8674(03)00653-6

PubMed ID: 14505570

Title: The protein network of HIV budding.

PubMed ID: 14505570

DOI: 10.1016/s0092-8674(03)00714-1

PubMed ID: 14519844

Title: Divergent retroviral late-budding domains recruit vacuolar protein sorting factors by using alternative adaptor proteins.

PubMed ID: 14519844

DOI: 10.1073/pnas.2133846100

PubMed ID: 14678797

Title: CHMP4b is a major binding partner of the ALG-2-interacting protein Alix among the three CHMP4 isoforms.

PubMed ID: 14678797

DOI: 10.1016/j.abb.2003.09.038

PubMed ID: 15632132

Title: Interaction of the mammalian endosomal sorting complex required for transport (ESCRT) III protein hSnf7-1 with itself, membranes, and the AAA+ ATPase SKD1.

PubMed ID: 15632132

DOI: 10.1074/jbc.m413968200

PubMed ID: 17853893

Title: Human ESCRT and ALIX proteins interact with proteins of the midbody and function in cytokinesis.

PubMed ID: 17853893

DOI: 10.1038/sj.emboj.7601850

PubMed ID: 17547705

Title: Structure/function analysis of four core ESCRT-III proteins reveals common regulatory role for extreme C-terminal domain.

PubMed ID: 17547705

DOI: 10.1111/j.1600-0854.2007.00584.x

PubMed ID: 18209100

Title: Plasma membrane deformation by circular arrays of ESCRT-III protein filaments.

PubMed ID: 18209100

DOI: 10.1083/jcb.200707031

PubMed ID: 22660413

Title: Syndecan-syntenin-ALIX regulates the biogenesis of exosomes.

PubMed ID: 22660413

DOI: 10.1038/ncb2502

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: 18511562

Title: ALIX-CHMP4 interactions in the human ESCRT pathway.

PubMed ID: 18511562

DOI: 10.1073/pnas.0801567105

Sequence Information:

  • Length: 222
  • Mass: 25098
  • Checksum: 6712BA6AAA1D7CB7
  • Sequence:
  • MSGLGRLFGK GKKEKGPTPE EAIQKLKETE KILIKKQEFL EQKIQQELQT AKKYGTKNKR 
    AALQALRRKK RFEQQLAQTD GTLSTLEFQR EAIENATTNA EVLRTMELAA QSMKKAYQDM 
    DIDKVDELMT DITEQQEVAQ QISDAISRPM GFGDDVDEDE LLEELEELEQ EELAQELLNV 
    GDKEEEPSVK LPSVPSTHLP AGPAPKVDED EEALKQLAEW VS