Details for: CHKA

Gene ID: 1119

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: CHKA

Ensembl ID: ENSG00000110721

Description: choline kinase alpha

Cell Significance Landscape

Associated with

Significant Cells

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

  • L2/3-6 intratelencephalic projecting glutamatergic neuron CL4023040
    CSI 18.21
    rCSI 44.25%
    PRS 23.79
  • retinal pigment epithelial cell CL0002586
    CSI 17.85
    rCSI 35.45%
    PRS 37.83
  • astrocyte of the cerebral cortex CL0002605
    CSI 16.04
    rCSI 35.95%
    PRS 25.03
  • L5 extratelencephalic projecting glutamatergic cortical neuron CL4023041
    CSI 15.3
    rCSI 55.07%
    PRS 23.51
  • basophil CL0000767
    CSI 10.56
    rCSI 22.35%
    PRS 59.46
  • IgA plasma cell CL0000987
    CSI 10.04
    rCSI 10.28%
    PRS 56.71
  • BEST4+ enteroycte CL4030026
    CSI 9.88
    rCSI 12.29%
    PRS 40.4
  • lung macrophage CL1001603
    CSI 9.21
    rCSI 20.57%
    PRS 43.9
  • nasal mucosa goblet cell CL0002480
    CSI 8.14
    rCSI 9.44%
    PRS 48.82
  • renal interstitial pericyte CL1001318
    CSI 7.63
    rCSI 21.02%
    PRS 35.33
  • paneth cell of epithelium of small intestine CL1000343
    CSI 7.61
    rCSI 21.31%
    PRS 52.88
  • lamp5 GABAergic cortical interneuron CL4023011
    CSI 7.43
    rCSI 12.47%
    PRS 24.5
  • intestinal crypt stem cell of small intestine CL0009017
    CSI 6.2
    rCSI 16.72%
    PRS 46.76
  • L6b glutamatergic cortical neuron CL4023038
    CSI 5.87
    rCSI 18.35%
    PRS 25.54
  • caudal ganglionic eminence derived cortical interneuron CL4023064
    CSI 5.77
    rCSI 10.18%
    PRS 23.63
  • centrilobular region hepatocyte CL0019029
    CSI 5.75
    rCSI 15.01%
    PRS 47.45
  • duct epithelial cell CL0000068
    CSI 5.5
    rCSI 8.05%
    PRS 40.56
  • keratocyte CL0002363
    CSI 5.49
    rCSI 13.2%
    PRS 48.68
  • Mueller cell CL0000636
    CSI 5.38
    rCSI 12.28%
    PRS 32.59
  • brush cell of tracheobronchial tree CL0002075
    CSI 5.3
    rCSI 15.72%
    PRS 49.23
  • radial glial cell CL0000681
    CSI 5.23
    rCSI 7.26%
    PRS 37.82
  • H2 horizontal cell CL0004218
    CSI 5.14
    rCSI 25.55%
    PRS 38.24
  • inhibitory interneuron CL0000498
    CSI 5.08
    rCSI 11.72%
    PRS 31.14
  • neuroblast (sensu Vertebrata) CL0000031
    CSI 4.79
    rCSI 6.15%
    PRS 36.2
  • dopaminergic neuron CL0000700
    CSI 4.76
    rCSI 26.92%
    PRS 26.04
  • amacrine cell CL0000561
    CSI 4.61
    rCSI 13.35%
    PRS 30.63
  • elicited macrophage CL0000861
    CSI 4.55
    rCSI 4.18%
    PRS 44.58
  • alternatively activated macrophage CL0000890
    CSI 4.32
    rCSI 5.43%
    PRS 51.12
  • precursor B cell CL0000817
    CSI 4.21
    rCSI 3.69%
    PRS 47.3
  • enteroendocrine cell CL0000164
    CSI 4.19
    rCSI 5.73%
    PRS 40.69
  • intermediate monocyte CL0002393
    CSI 4.05
    rCSI 6.11%
    PRS 39.45
  • enterocyte CL0000584
    CSI 3.89
    rCSI 6.28%
    PRS 47.95
  • glioblast CL0000030
    CSI 3.86
    rCSI 6.16%
    PRS 32.63
  • epithelial cell of lower respiratory tract CL0002632
    CSI 3.8
    rCSI 2.95%
    PRS 37.92
  • sst GABAergic cortical interneuron CL4023017
    CSI 3.8
    rCSI 4.9%
    PRS 25.36
  • conjunctival epithelial cell CL1000432
    CSI 3.8
    rCSI 5.8%
    PRS 38.34
  • adipocyte CL0000136
    CSI 3.76
    rCSI 4.82%
    PRS 34.73
  • neuron CL0000540
    CSI 3.75
    rCSI 9.98%
    PRS 31.46
  • fallopian tube secretory epithelial cell CL4030006
    CSI 3.72
    rCSI 3.58%
    PRS 38.63
  • retinal bipolar neuron CL0000748
    CSI 3.49
    rCSI 6.53%
    PRS 29.11
  • ciliated columnar cell of tracheobronchial tree CL0002145
    CSI 3.48
    rCSI 7.92%
    PRS 37.05
  • hepatic stellate cell CL0000632
    CSI 3.36
    rCSI 12.6%
    PRS 32.29
  • vascular leptomeningeal cell CL4023051
    CSI 3.35
    rCSI 5.87%
    PRS 31.18
  • pvalb GABAergic cortical interneuron CL4023018
    CSI 3.17
    rCSI 3.95%
    PRS 23.2
  • stem cell CL0000034
    CSI 3.09
    rCSI 2.98%
    PRS 29.66
  • corticothalamic-projecting glutamatergic cortical neuron CL4023013
    CSI 3.09
    rCSI 18.17%
    PRS 25.7
  • squamous epithelial cell CL0000076
    CSI 3.04
    rCSI 7.22%
    PRS 43.66
  • luminal cell of prostate epithelium CL0002340
    CSI 3.01
    rCSI 16.17%
    PRS 54.25
  • melanocyte CL0000148
    CSI 3
    rCSI 2.23%
    PRS 32.56
  • cardiac endothelial cell CL0010008
    CSI 2.97
    rCSI 11.98%
    PRS 36.72
  • epithelial cell of proximal tubule CL0002306
    CSI 2.97
    rCSI 7.25%
    PRS 35.03
  • colon epithelial cell CL0011108
    CSI 2.96
    rCSI 3.1%
    PRS 35.58
  • interneuron CL0000099
    CSI 2.96
    rCSI 5.94%
    PRS 29.14
  • ependymal cell CL0000065
    CSI 2.91
    rCSI 5.91%
    PRS 22.99
  • myoepithelial cell CL0000185
    CSI 2.83
    rCSI 7.17%
    PRS 45.59
  • ciliated cell CL0000064
    CSI 2.79
    rCSI 4.51%
    PRS 36.92
  • secretory cell CL0000151
    CSI 2.77
    rCSI 2.9%
    PRS 38.58
  • direct pathway medium spiny neuron CL4023026
    CSI 2.75
    rCSI 65.87%
    PRS 23.91
  • acinar cell of salivary gland CL0002623
    CSI 2.68
    rCSI 62.47%
    PRS 61.12
  • indirect pathway medium spiny neuron CL4023029
    CSI 2.65
    rCSI 63.97%
    PRS 24.74
  • lung secretory cell CL1000272
    CSI 2.64
    rCSI 6.54%
    PRS 36.13
  • neural crest cell CL0011012
    CSI 2.64
    rCSI 2.09%
    PRS 27.24
  • kidney connecting tubule epithelial cell CL1000768
    CSI 2.56
    rCSI 6.49%
    PRS 29.9
  • blood vessel endothelial cell CL0000071
    CSI 2.53
    rCSI 5.25%
    PRS 36.52
  • respiratory suprabasal cell CL4033048
    CSI 2.48
    rCSI 3.18%
    PRS 42.5
  • periportal region hepatocyte CL0019026
    CSI 2.47
    rCSI 9.59%
    PRS 47.33
  • mature astrocyte CL0002627
    CSI 2.42
    rCSI 10.27%
    PRS 36.77
  • type L enteroendocrine cell CL0002279
    CSI 2.38
    rCSI 4.48%
    PRS 58.49
  • subcutaneous adipocyte CL0002521
    CSI 2.32
    rCSI 11.89%
    PRS 40.71
  • group 3 innate lymphoid cell CL0001071
    CSI 2.32
    rCSI 1.74%
    PRS 40.83
  • intrahepatic cholangiocyte CL0002538
    CSI 2.29
    rCSI 5.5%
    PRS 54.92
  • VIP GABAergic cortical interneuron CL4023016
    CSI 2.29
    rCSI 2.73%
    PRS 24.47
  • pancreatic acinar cell CL0002064
    CSI 2.28
    rCSI 3.03%
    PRS 42.06
  • cerebral cortex endothelial cell CL1001602
    CSI 2.27
    rCSI 3.93%
    PRS 29.86
  • pancreatic A cell CL0000171
    CSI 2.26
    rCSI 2.37%
    PRS 40.2
  • cerebral cortex neuron CL0010012
    CSI 2.24
    rCSI 9.15%
    PRS 36.7
  • midzonal region hepatocyte CL0019028
    CSI 2.19
    rCSI 5.15%
    PRS 47.63
  • common myeloid progenitor CL0000049
    CSI 2.19
    rCSI 1.77%
    PRS 38.43
  • hepatocyte CL0000182
    CSI 2.15
    rCSI 3.84%
    PRS 36.3
  • multi-ciliated epithelial cell CL0005012
    CSI 2.15
    rCSI 2.14%
    PRS 32.81
  • type B pancreatic cell CL0000169
    CSI 2.11
    rCSI 4.66%
    PRS 35.26
  • retinal blood vessel endothelial cell CL0002585
    CSI 2.1
    rCSI 3.36%
    PRS 41.15
  • Bergmann glial cell CL0000644
    CSI 2.09
    rCSI 2.86%
    PRS 35.45
  • neuroblast (sensu Nematoda and Protostomia) CL0000338
    CSI 2.07
    rCSI 2.4%
    PRS 33.14
  • cardiac muscle cell CL0000746
    CSI 2.07
    rCSI 2.97%
    PRS 30.57
  • alveolar macrophage CL0000583
    CSI 2.04
    rCSI 3.36%
    PRS 42.91
  • retina horizontal cell CL0000745
    CSI 2.01
    rCSI 3.06%
    PRS 35.13
  • CD14-positive monocyte CL0001054
    CSI 2
    rCSI 2.49%
    PRS 49.03
  • GABAergic neuron CL0000617
    CSI 1.98
    rCSI 6.63%
    PRS 28.25
  • transit amplifying cell of colon CL0009011
    CSI 1.98
    rCSI 2.32%
    PRS 41.79
  • cerebellar granule cell CL0001031
    CSI 1.94
    rCSI 2.85%
    PRS 34.82
  • ciliated epithelial cell CL0000067
    CSI 1.91
    rCSI 1.68%
    PRS 28.56
  • near-projecting glutamatergic cortical neuron CL4023012
    CSI 1.89
    rCSI 7.15%
    PRS 25.41
  • cardiac neuron CL0010022
    CSI 1.89
    rCSI 6.05%
    PRS 34.96
  • mononuclear phagocyte CL0000113
    CSI 1.87
    rCSI 4.11%
    PRS 41.79
  • kidney loop of Henle thin ascending limb epithelial cell CL1001107
    CSI 1.85
    rCSI 4.78%
    PRS 34.72
  • ionocyte CL0005006
    CSI 1.84
    rCSI 1.97%
    PRS 35.8
  • serous secreting cell of bronchus submucosal gland CL4033005
    CSI 1.83
    rCSI 10.43%
    PRS 71.68
  • kidney interstitial alternatively activated macrophage CL1000695
    CSI 1.81
    rCSI 4.71%
    PRS 37.05
  • epicardial adipocyte CL1000309
    CSI 1.79
    rCSI 5.83%
    PRS 40.54
  • respiratory goblet cell CL0002370
    CSI 0.1
    rCSI 1.3%
    PRS 59.1%
  • intestinal crypt stem cell of colon CL0009043
    CSI 0.1
    rCSI 1.0%
    PRS 58.6%
  • tracheobronchial serous cell CL0019001
    CSI 0.2
    rCSI 0.8%
    PRS 55.1%
  • peptic cell CL0000155
    CSI 0.4
    rCSI 3.6%
    PRS 66.4%
  • deuterosomal cell CL4033044
    CSI 0.4
    rCSI 1.4%
    PRS 48.9%
  • OFF midget ganglion cell CL4033047
    CSI 0.4
    rCSI 8.7%
    PRS 33.0%
  • ON parasol ganglion cell CL4033052
    CSI 0.5
    rCSI 6.6%
    PRS 31.6%
  • transit amplifying cell of small intestine CL0009012
    CSI 0.5
    rCSI 2.0%
    PRS 57.8%
  • kidney distal convoluted tubule epithelial cell CL1000849
    CSI 0.5
    rCSI 5.2%
    PRS 40.6%
  • Hofbauer cell CL3000001
    CSI 0.5
    rCSI 1.0%
    PRS 47.2%
  • regular ventricular cardiac myocyte CL0002131
    CSI 0.5
    rCSI 3.4%
    PRS 31.6%
  • central nervous system neuron CL2000029
    CSI 0.6
    rCSI 4.5%
    PRS 27.4%
  • H1 horizontal cell CL0004217
    CSI 0.6
    rCSI 2.5%
    PRS 41.5%
  • paneth cell CL0000510
    CSI 0.6
    rCSI 0.9%
    PRS 54.6%
  • ON midget ganglion cell CL4033046
    CSI 0.6
    rCSI 12.8%
    PRS 31.8%
  • tissue-resident macrophage CL0000864
    CSI 0.7
    rCSI 3.0%
    PRS 58.5%
  • CD1c-positive myeloid dendritic cell CL0002399
    CSI 0.7
    rCSI 0.9%
    PRS 44.6%
  • chandelier pvalb GABAergic cortical interneuron CL4023036
    CSI 0.7
    rCSI 2.2%
    PRS 27.6%
  • small intestine goblet cell CL1000495
    CSI 0.8
    rCSI 1.7%
    PRS 47.7%
  • retinal cone cell CL0000573
    CSI 0.8
    rCSI 1.3%
    PRS 29.9%
  • L5/6 near-projecting glutamatergic neuron CL4030067
    CSI 0.8
    rCSI 2.7%
    PRS 28.2%
  • CD14-low, CD16-positive monocyte CL0002396
    CSI 0.8
    rCSI 0.7%
    PRS 36.4%
  • pancreatic ductal cell CL0002079
    CSI 0.9
    rCSI 1.7%
    PRS 39.5%
  • macroglial cell CL0000126
    CSI 0.9
    rCSI 2.4%
    PRS 41.5%
  • lung ciliated cell CL1000271
    CSI 0.9
    rCSI 1.1%
    PRS 29.3%
  • S cone cell CL0003050
    CSI 0.9
    rCSI 4.1%
    PRS 35.3%
  • melanocyte of skin CL1000458
    CSI 0.9
    rCSI 1.3%
    PRS 20.3%
  • enteroendocrine cell of small intestine CL0009006
    CSI 1.0
    rCSI 2.3%
    PRS 52.5%
  • L4 intratelencephalic projecting glutamatergic neuron CL4030063
    CSI 1.0
    rCSI 2.5%
    PRS 28.8%
  • retinal ganglion cell CL0000740
    CSI 1.1
    rCSI 2.4%
    PRS 28.1%
  • mucus secreting cell CL0000319
    CSI 1.1
    rCSI 1.8%
    PRS 47.6%
  • colonocyte CL1000347
    CSI 1.1
    rCSI 1.6%
    PRS 45.8%
  • pulmonary alveolar type 1 cell CL0002062
    CSI 1.1
    rCSI 6.4%
    PRS 41.0%
  • renal principal cell CL0005009
    CSI 1.1
    rCSI 3.0%
    PRS 43.9%
  • parietal epithelial cell CL1000452
    CSI 1.1
    rCSI 3.1%
    PRS 32.2%
  • renal beta-intercalated cell CL0002201
    CSI 1.1
    rCSI 2.7%
    PRS 40.7%
  • enteroglial cell CL4040002
    CSI 1.2
    rCSI 6.1%
    PRS 48.0%
  • L2/3 intratelencephalic projecting glutamatergic neuron CL4030059
    CSI 1.2
    rCSI 2.5%
    PRS 29.4%
  • placental villous trophoblast CL2000060
    CSI 1.2
    rCSI 1.8%
    PRS 36.2%
  • luminal epithelial cell of mammary gland CL0002326
    CSI 1.2
    rCSI 2.2%
    PRS 53.8%
  • glial cell CL0000125
    CSI 1.2
    rCSI 4.5%
    PRS 33.1%
  • chondrocyte CL0000138
    CSI 1.2
    rCSI 1.9%
    PRS 32.2%
  • neural progenitor cell CL0011020
    CSI 1.2
    rCSI 5.3%
    PRS 32.8%
  • retinal rod cell CL0000604
    CSI 1.2
    rCSI 2.2%
    PRS 36.7%
  • sncg GABAergic cortical interneuron CL4023015
    CSI 1.2
    rCSI 2.0%
    PRS 26.4%
  • myeloid dendritic cell CL0000782
    CSI 1.3
    rCSI 1.8%
    PRS 53.4%
  • foveolar cell of stomach CL0002179
    CSI 1.3
    rCSI 2.8%
    PRS 52.9%
  • Kupffer cell CL0000091
    CSI 1.3
    rCSI 3.1%
    PRS 37.4%
  • glandular epithelial cell CL0000150
    CSI 1.3
    rCSI 3.5%
    PRS 61.0%
  • tracheal goblet cell CL1000329
    CSI 1.4
    rCSI 3.0%
    PRS 58.5%
  • granulocyte CL0000094
    CSI 1.4
    rCSI 2.1%
    PRS 46.6%
  • granulocyte monocyte progenitor cell CL0000557
    CSI 1.4
    rCSI 1.2%
    PRS 41.7%
  • acinar cell CL0000622
    CSI 1.4
    rCSI 2.1%
    PRS 48.4%
  • regular atrial cardiac myocyte CL0002129
    CSI 1.5
    rCSI 4.7%
    PRS 37.9%
  • glutamatergic neuron CL0000679
    CSI 1.5
    rCSI 3.0%
    PRS 34.1%
  • intestinal epithelial cell CL0002563
    CSI 1.5
    rCSI 1.5%
    PRS 37.9%
  • endothelial cell of pericentral hepatic sinusoid CL0019022
    CSI 1.5
    rCSI 4.6%
    PRS 50.0%
  • differentiation-committed oligodendrocyte precursor CL4023059
    CSI 1.5
    rCSI 2.7%
    PRS 32.8%
  • basal cell of epidermis CL0002187
    CSI 1.5
    rCSI 2.7%
    PRS 24.7%
  • kidney loop of Henle thin descending limb epithelial cell CL1001111
    CSI 1.6
    rCSI 2.3%
    PRS 35.5%
  • choroid plexus epithelial cell CL0000706
    CSI 1.7
    rCSI 2.7%
    PRS 30.0%
  • pulmonary alveolar type 2 cell CL0002063
    CSI 1.7
    rCSI 2.6%
    PRS 48.3%
  • lung neuroendocrine cell CL1000223
    CSI 1.7
    rCSI 2.5%
    PRS 42.3%
  • pancreatic D cell CL0000173
    CSI 1.7
    rCSI 1.7%
    PRS 40.2%
  • oligodendrocyte CL0000128
    CSI 1.7
    rCSI 5.0%
    PRS 29.8%
  • club cell CL0000158
    CSI 1.8
    rCSI 2.6%
    PRS 38.6%
  • epithelial cell of lung CL0000082
    CSI 1.8
    rCSI 1.5%
    PRS 36.5%
  • epicardial adipocyte CL1000309
    CSI 1.8
    rCSI 5.8%
    PRS 40.5%
  • kidney interstitial alternatively activated macrophage CL1000695
    CSI 1.8
    rCSI 4.7%
    PRS 37.1%
  • serous secreting cell of bronchus submucosal gland CL4033005
    CSI 1.8
    rCSI 10.4%
    PRS 71.7%
  • ionocyte CL0005006
    CSI 1.8
    rCSI 2.0%
    PRS 35.8%
  • kidney loop of Henle thin ascending limb epithelial cell CL1001107
    CSI 1.9
    rCSI 4.8%
    PRS 34.7%
  • mononuclear phagocyte CL0000113
    CSI 1.9
    rCSI 4.1%
    PRS 41.8%
  • cardiac neuron CL0010022
    CSI 1.9
    rCSI 6.1%
    PRS 35.0%
  • near-projecting glutamatergic cortical neuron CL4023012
    CSI 1.9
    rCSI 7.2%
    PRS 25.4%
  • ciliated epithelial cell CL0000067
    CSI 1.9
    rCSI 1.7%
    PRS 28.6%
  • cerebellar granule cell CL0001031
    CSI 1.9
    rCSI 2.9%
    PRS 34.8%
  • transit amplifying cell of colon CL0009011
    CSI 2.0
    rCSI 2.3%
    PRS 41.8%
  • GABAergic neuron CL0000617
    CSI 2.0
    rCSI 6.6%
    PRS 28.3%
  • CD14-positive monocyte CL0001054
    CSI 2.0
    rCSI 2.5%
    PRS 49.0%
  • retina horizontal cell CL0000745
    CSI 2.0
    rCSI 3.1%
    PRS 35.1%
  • alveolar macrophage CL0000583
    CSI 2.0
    rCSI 3.4%
    PRS 42.9%
  • cardiac muscle cell CL0000746
    CSI 2.1
    rCSI 3.0%
    PRS 30.6%
  • neuroblast (sensu Nematoda and Protostomia) CL0000338
    CSI 2.1
    rCSI 2.4%
    PRS 33.1%
  • Bergmann glial cell CL0000644
    CSI 2.1
    rCSI 2.9%
    PRS 35.5%
  • retinal blood vessel endothelial cell CL0002585
    CSI 2.1
    rCSI 3.4%
    PRS 41.2%
  • type B pancreatic cell CL0000169
    CSI 2.1
    rCSI 4.7%
    PRS 35.3%
  • multi-ciliated epithelial cell CL0005012
    CSI 2.2
    rCSI 2.1%
    PRS 32.8%
  • hepatocyte CL0000182
    CSI 2.2
    rCSI 3.8%
    PRS 36.3%
  • common myeloid progenitor CL0000049
    CSI 2.2
    rCSI 1.8%
    PRS 38.4%
  • midzonal region hepatocyte CL0019028
    CSI 2.2
    rCSI 5.2%
    PRS 47.6%
  • cerebral cortex neuron CL0010012
    CSI 2.2
    rCSI 9.2%
    PRS 36.7%
  • pancreatic A cell CL0000171
    CSI 2.3
    rCSI 2.4%
    PRS 40.2%
  • cerebral cortex endothelial cell CL1001602
    CSI 2.3
    rCSI 3.9%
    PRS 29.9%
  • pancreatic acinar cell CL0002064
    CSI 2.3
    rCSI 3.0%
    PRS 42.1%
  • VIP GABAergic cortical interneuron CL4023016
    CSI 2.3
    rCSI 2.7%
    PRS 24.5%
  • intrahepatic cholangiocyte CL0002538
    CSI 2.3
    rCSI 5.5%
    PRS 54.9%
  • group 3 innate lymphoid cell CL0001071
    CSI 2.3
    rCSI 1.7%
    PRS 40.8%
  • subcutaneous adipocyte CL0002521
    CSI 2.3
    rCSI 11.9%
    PRS 40.7%
  • type L enteroendocrine cell CL0002279
    CSI 2.4
    rCSI 4.5%
    PRS 58.5%

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

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

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

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

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

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

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Other Information

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

## Summary [CHKA](/details-gene/1119), located on chromosome 11q13.2, encodes choline kinase alpha, a pivotal enzyme in cellular metabolism. Its primary function is to catalyze the phosphorylation of choline, the first and rate-limiting step in the de novo synthesis of phosphatidylcholine, a major component of eukaryotic cell membranes. This role places [CHKA](/details-gene/1119) at the heart of lipid and phospholipid metabolism. **Overall**, expression data reveals its high significance in a diverse array of metabolically active cells, particularly within the central nervous system, such as in [L2/3-6 intratelencephalic projecting glutamatergic neuron](/details-cell/CL4023040) and [astrocyte of the cerebral cortex](/details-cell/CL0002605), as well as in specialized secretory and immune cells. Clinically, bi-allelic variants in [CHKA](/details-gene/1119) are associated with a neurodevelopmental disorder ([118491](https://omim.org/entry/118491)) characterized by epilepsy and microcephaly, underscoring its critical role in brain development and function ([Link](https://doi.org/10.1093/brain/awac074)). ## Cellular Roles and Expression Landscape The expression profile of [CHKA](/details-gene/1119) highlights its fundamental importance in cells with high demands for membrane biogenesis, lipid metabolism, and signaling. Its significance is not restricted to a single lineage but spans multiple, functionally distinct cell types. **Overall**, the highest significance scores for [CHKA](/details-gene/1119) are observed in the central nervous system. It is a top marker in various neuronal subtypes, including [L2/3-6 intratelencephalic projecting glutamatergic neuron](/details-cell/CL4023040) (CSI: 18.21) and [L5 extratelencephalic projecting glutamatergic cortical neuron](/details-cell/CL4023041) (CSI: 15.30), suggesting a crucial role in maintaining neuronal membrane integrity, synaptic function, and neurotransmission. Its high CSI in [astrocyte of the cerebral cortex](/details-cell/CL0002605) (CSI: 16.04) is consistent with the supportive role of these cells, which involves extensive membrane trafficking and lipid exchange with neurons. Beyond the nervous system, [CHKA](/details-gene/1119) is prominently expressed in specialized epithelial and secretory cells. For instance, its high significance in [retinal pigment epithelial cell](/details-cell/CL0002586) (CSI: 17.85) likely reflects the high rate of membrane turnover associated with phagocytosis of photoreceptor outer segments. Similarly, its expression in secretory cells like [nasal mucosa goblet cell](/details-cell/CL0002480) and [paneth cell of epithelium of small intestine](/details-cell/CL1000343) points to a role in generating the extensive membrane systems required for mucin and antimicrobial peptide synthesis and secretion. [CHKA](/details-gene/1119) also appears to be significant in specific immune cell populations. Its expression in [basophil](/details-cell/CL0000767) (CSI: 10.56) and [IgA plasma cell](/details-cell/CL0000987) (CSI: 10.04) suggests a role in processes requiring rapid membrane expansion, such as degranulation in basophils and the massive expansion of the endoplasmic reticulum for antibody production in plasma cells. ## Pathways and Molecular Function The functional annotations for [CHKA](/details-gene/1119) confirm its central role as an enzyme in lipid metabolism. Its primary molecular function is [choline kinase activity](/details-gene/GO:0004103), which directly contributes to the [phosphatidylcholine biosynthetic process](/details-gene/GO:0006656) via the [Cdp-choline pathway](/details-gene/GO:0006657). This activity is a core component of broader metabolic networks, including [glycerophospholipid biosynthesis](/details-gene/R-HSA-1483206) and the overarching [metabolism of lipids](/details-gene/R-HSA-556833) as detailed in the Reactome database. Beyond its canonical role, research suggests additional functions. The gene is annotated with [protein tyrosine kinase activity](/details-gene/GO:0004713), and a specific isoform, CHKA2, has been shown to act as a protein kinase that promotes the [lipolysis of lipid droplets](/details-gene/GO:1905691) ([Link](https://doi.org/10.1016/j.molcel.2021.05.005)). This dual functionality as both a lipid and protein kinase indicates that [CHKA](/details-gene/1119) may act as a critical node integrating cellular metabolic state with signaling pathways. Its localization to the [cytoplasm](/details-gene/GO:0005737) and [lipid droplet](/details-gene/GO:0005811) is consistent with these diverse metabolic functions. The enzyme's activity is also implicated in viral replication, as Hepatitis C virus reportedly subverts [CHKA](/details-gene/1119) to facilitate its replication cycle ([Link](https://doi.org/10.1128/jvi.00355-17)). ## Research Directions The widespread yet specific high expression of [CHKA](/details-gene/1119) in metabolically demanding cells, coupled with its dual enzymatic functions, opens several avenues for future research. **Proposed Hypotheses:** 1. Given the association of [CHKA](/details-gene/1119) mutations with neurodevelopmental disorders ([Link](https://doi.org/10.1093/brain/awac074)) and its high expression in neurons and glia, a key hypothesis is that **[CHKA](/details-gene/1119) dysfunction in [astrocyte of the cerebral cortex](/details-cell/CL0002605) disrupts the metabolic coupling between glia and neurons, leading to impaired synaptic integrity and neuronal hyperexcitability, which are hallmarks of epilepsy.** This moves beyond a purely neuron-centric view of the disease pathology. 2. The high significance of [CHKA](/details-gene/1119) in [IgA plasma cell](/details-cell/CL0000987) suggests a specialized role in immunity. Therefore, **the rate of phosphatidylcholine synthesis, governed by [CHKA](/details-gene/1119), is a rate-limiting factor for the expansion of the endoplasmic reticulum in developing plasma cells, and its inhibition would selectively compromise the secretory capacity of these cells without affecting earlier stages of B-cell activation.** **Experimental Approach:** To test the second hypothesis regarding plasma cell function, a conditional knockout mouse model would be highly informative. By crossing a mouse with floxed *Chka* alleles to a strain expressing Cre recombinase under the control of a plasma cell-specific promoter (e.g., *Xbp1*), one could achieve targeted deletion of [CHKA](/details-gene/1119) specifically in differentiated plasma cells. Following immunization to elicit a strong humoral response, researchers could use techniques such as transmission electron microscopy to assess endoplasmic reticulum morphology, flow cytometry to quantify plasma cell populations, and ELISA to measure serum antibody titers. A significant reduction in antibody levels and altered ER structure in the knockout mice would provide strong evidence for the essential role of [CHKA](/details-gene/1119) in plasma cell secretory function. **Therapeutic Potential:** [CHKA](/details-gene/1119) is a well-documented target for cancer therapy, as its **inhibition** can disrupt the rapid membrane synthesis required by proliferating tumor cells ([Link](https://doi.org/10.1371/journal.pone.0007819)). However, its critical role in healthy, vital tissues like the brain and immune system presents a significant challenge for systemic inhibitors due to a likely narrow therapeutic window and potential for on-target toxicity. Future therapeutic strategies may require tumor-targeted drug delivery systems. Additionally, its role in viral replication suggests that [CHKA](/details-gene/1119) inhibitors could be repurposed as host-directed antivirals, a strategy that may be less prone to viral escape mutations.

Genular Protein ID: 3721688971

Symbol: CHKA_HUMAN

Name: Choline kinase alpha

UniProtKB Accession Codes:

Database IDs:

Citations:

PubMed ID: 1618328

Title: Cloning of a human choline kinase cDNA by complementation of the yeast cki mutation.

PubMed ID: 1618328

DOI: 10.1016/0014-5793(92)80625-q

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: 19915674

Title: Differential role of human choline kinase alpha and beta enzymes in lipid metabolism: implications in cancer onset and treatment.

PubMed ID: 19915674

DOI: 10.1371/journal.pone.0007819

PubMed ID: 28566381

Title: Hepatitis C Virus Subverts Human Choline Kinase-alpha To Bridge Phosphatidylinositol-4-Kinase IIIalpha (PI4KIIIalpha) and NS5A and Upregulates PI4KIIIalpha Activation, Thereby Promoting the Translocation of the Ternary Complex to the Endoplasmic Reticulum for Viral Replication.

PubMed ID: 28566381

DOI: 10.1128/jvi.00355-17

PubMed ID: 34077757

Title: Choline kinase alpha 2 acts as a protein kinase to promote lipolysis of lipid droplets.

PubMed ID: 34077757

DOI: 10.1016/j.molcel.2021.05.005

PubMed ID: 35202461

Title: Bi-allelic variants in CHKA cause a neurodevelopmental disorder with epilepsy and microcephaly.

PubMed ID: 35202461

DOI: 10.1093/brain/awac074

PubMed ID: 17007874

Title: Elucidation of human choline kinase crystal structures in complex with the products ADP or phosphocholine.

PubMed ID: 17007874

DOI: 10.1016/j.jmb.2006.08.084

PubMed ID: 20299452

Title: Crystal structures of human choline kinase isoforms in complex with hemicholinium-3: single amino acid near the active site influences inhibitor sensitivity.

PubMed ID: 20299452

DOI: 10.1074/jbc.m109.039024

PubMed ID: 23416529

Title: Kinetic and mechanistic characterisation of Choline Kinase-alpha.

PubMed ID: 23416529

DOI: 10.1016/j.bbapap.2013.02.008

Sequence Information:

  • Length: 457
  • Mass: 52249
  • Checksum: 65F177ABE1AA3A12
  • Sequence:
  • MKTKFCTGGE AEPSPLGLLL SCGSGSAAPA PGVGQQRDAA SDLESKQLGG QQPPLALPPP 
    PPLPLPLPLP QPPPPQPPAD EQPEPRTRRR AYLWCKEFLP GAWRGLREDE FHISVIRGGL 
    SNMLFQCSLP DTTATLGDEP RKVLLRLYGA ILQMRSCNKE GSEQAQKENE FQGAEAMVLE 
    SVMFAILAER SLGPKLYGIF PQGRLEQFIP SRRLDTEELS LPDISAEIAE KMATFHGMKM 
    PFNKEPKWLF GTMEKYLKEV LRIKFTEESR IKKLHKLLSY NLPLELENLR SLLESTPSPV 
    VFCHNDCQEG NILLLEGREN SEKQKLMLID FEYSSYNYRG FDIGNHFCEW MYDYSYEKYP 
    FFRANIRKYP TKKQQLHFIS SYLPAFQNDF ENLSTEEKSI IKEEMLLEVN RFALASHFLW 
    GLWSIVQAKI SSIEFGYMDY AQARFDAYFH QKRKLGV