Details for: NANS

Gene ID: 54187

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: NANS

Ensembl ID: ENSG00000095380

Description: N-acetylneuraminate synthase

Cell Significance Landscape

Associated with

Significant Cells

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

  • transit amplifying cell of colon CL0009011
    CSI 42.28
    rCSI 49.66%
    PRS 72.73
  • intestine goblet cell CL0019031
    CSI 40.34
    rCSI 35.8%
    PRS 68.43
  • mucous neck cell CL0000651
    CSI 37.68
    rCSI 54.31%
    PRS 79.49
  • multi-ciliated epithelial cell CL0005012
    CSI 29.79
    rCSI 29.73%
    PRS 64.03
  • stem cell CL0000034
    CSI 27.16
    rCSI 26.19%
    PRS 62.28
  • plasmablast CL0000980
    CSI 26.75
    rCSI 21.04%
    PRS 77.16
  • vascular associated smooth muscle cell CL0000359
    CSI 25.42
    rCSI 82.46%
    PRS 69.81
  • colon goblet cell CL0009039
    CSI 23.29
    rCSI 55.36%
    PRS 78.21
  • lung ciliated cell CL1000271
    CSI 22.35
    rCSI 25.84%
    PRS 61.56
  • mucus secreting cell CL0000319
    CSI 19.81
    rCSI 31.47%
    PRS 80.62
  • foveolar cell of stomach CL0002179
    CSI 19.64
    rCSI 41.82%
    PRS 79.5
  • goblet cell CL0000160
    CSI 14.6
    rCSI 13.8%
    PRS 69.85
  • secretory cell CL0000151
    CSI 14.44
    rCSI 15.07%
    PRS 70.58
  • acinar cell CL0000622
    CSI 13.47
    rCSI 19.76%
    PRS 81.62
  • extravillous trophoblast CL0008036
    CSI 12.99
    rCSI 16.07%
    PRS 67.62
  • colon epithelial cell CL0011108
    CSI 12.38
    rCSI 12.97%
    PRS 67.52
  • hepatocyte CL0000182
    CSI 12.1
    rCSI 21.65%
    PRS 70.15
  • deuterosomal cell CL4033044
    CSI 11.99
    rCSI 40.55%
    PRS 71.32
  • fibroblast of lung CL0002553
    CSI 11.87
    rCSI 11.05%
    PRS 71.32
  • ciliated columnar cell of tracheobronchial tree CL0002145
    CSI 11.86
    rCSI 27.03%
    PRS 65.68
  • bronchial goblet cell CL1000312
    CSI 11.63
    rCSI 46.48%
    PRS 82.68
  • enterocyte of epithelium of large intestine CL0002071
    CSI 11.14
    rCSI 58.52%
    PRS 78.32
  • germinal center B cell CL0000844
    CSI 10.98
    rCSI 32.75%
    PRS 84.09
  • epithelial cell of lower respiratory tract CL0002632
    CSI 10.8
    rCSI 8.37%
    PRS 73.81
  • tracheal goblet cell CL1000329
    CSI 10.46
    rCSI 22.83%
    PRS 80.78
  • tracheobronchial serous cell CL0019001
    CSI 10.16
    rCSI 43.88%
    PRS 80.8
  • granulocyte monocyte progenitor cell CL0000557
    CSI 9.85
    rCSI 8.53%
    PRS 75.28
  • enterocyte CL0000584
    CSI 9.26
    rCSI 14.92%
    PRS 71.98
  • squamous epithelial cell CL0000076
    CSI 9.08
    rCSI 21.54%
    PRS 72.72
  • IgA plasma cell CL0000987
    CSI 8.9
    rCSI 9.11%
    PRS 81.91
  • transit amplifying cell CL0009010
    CSI 8.11
    rCSI 12.4%
    PRS 81.93
  • intestinal crypt stem cell of colon CL0009043
    CSI 8.07
    rCSI 60.64%
    PRS 83.93
  • neuroblast (sensu Vertebrata) CL0000031
    CSI 7.6
    rCSI 9.75%
    PRS 67.02
  • inflammatory macrophage CL0000863
    CSI 7.55
    rCSI 12.9%
    PRS 89.74
  • blood vessel endothelial cell CL0000071
    CSI 7.26
    rCSI 15.06%
    PRS 67.63
  • pancreatic A cell CL0000171
    CSI 7.16
    rCSI 7.5%
    PRS 74.1
  • melanocyte CL0000148
    CSI 6.9
    rCSI 5.11%
    PRS 63.38
  • effector CD4-positive, alpha-beta T cell CL0001044
    CSI 6.76
    rCSI 19.38%
    PRS 88.64
  • club cell CL0000158
    CSI 6.69
    rCSI 9.79%
    PRS 65.4
  • mesenchymal cell CL0008019
    CSI 6.6
    rCSI 16.77%
    PRS 64.21
  • common myeloid progenitor CL0000049
    CSI 6.54
    rCSI 5.29%
    PRS 72.49
  • erythrocyte CL0000232
    CSI 6.1
    rCSI 13.84%
    PRS 72.75
  • plasma cell CL0000786
    CSI 6.05
    rCSI 7.93%
    PRS 89.57
  • pancreatic D cell CL0000173
    CSI 6
    rCSI 5.9%
    PRS 73.14
  • CD8-positive, alpha-beta memory T cell CL0000909
    CSI 5.9
    rCSI 6.16%
    PRS 87.96
  • vein endothelial cell CL0002543
    CSI 5.9
    rCSI 16.1%
    PRS 83.58
  • peptic cell CL0000155
    CSI 5.89
    rCSI 57.89%
    PRS 85.17
  • respiratory goblet cell CL0002370
    CSI 5.79
    rCSI 62.99%
    PRS 82.39
  • megakaryocyte-erythroid progenitor cell CL0000050
    CSI 5.64
    rCSI 5.09%
    PRS 67.94
  • promonocyte CL0000559
    CSI 5.4
    rCSI 9.25%
    PRS 78.38
  • activated CD4-positive, alpha-beta T cell CL0000896
    CSI 5.32
    rCSI 4.92%
    PRS 87.57
  • non-classical monocyte CL0000875
    CSI 5.28
    rCSI 8.47%
    PRS 86.63
  • IgG plasma cell CL0000985
    CSI 5.18
    rCSI 6.21%
    PRS 84.63
  • respiratory suprabasal cell CL4033048
    CSI 5.1
    rCSI 6.54%
    PRS 74.77
  • M cell of gut CL0000682
    CSI 4.9
    rCSI 5.2%
    PRS 78.29
  • perivascular cell CL4033054
    CSI 4.71
    rCSI 6.44%
    PRS 76.13
  • epithelial cell CL0000066
    CSI 4.7
    rCSI 7.22%
    PRS 63.04
  • intestinal epithelial cell CL0002563
    CSI 4.6
    rCSI 4.8%
    PRS 68.3
  • CD14-positive, CD16-positive monocyte CL0002397
    CSI 4.59
    rCSI 6.01%
    PRS 83.12
  • pulmonary ionocyte CL0017000
    CSI 4.58
    rCSI 5.58%
    PRS 77.74
  • enteroendocrine cell of colon CL0009042
    CSI 4.57
    rCSI 21.42%
    PRS 83.78
  • plasmacytoid dendritic cell, human CL0001058
    CSI 4.55
    rCSI 3.18%
    PRS 73.54
  • CD4-positive, alpha-beta thymocyte CL0000810
    CSI 4.42
    rCSI 3.54%
    PRS 87.57
  • small intestine goblet cell CL1000495
    CSI 4.32
    rCSI 9.46%
    PRS 77.32
  • interstitial cell of Cajal CL0002088
    CSI 4.25
    rCSI 5.41%
    PRS 76.45
  • pro-B cell CL0000826
    CSI 4.25
    rCSI 3.52%
    PRS 73.04
  • lung interstitial macrophage CL4033043
    CSI 4.21
    rCSI 9.45%
    PRS 85.32
  • myeloid leukocyte CL0000766
    CSI 4.19
    rCSI 3.87%
    PRS 72.31
  • CD8-positive, CD28-negative, alpha-beta regulatory T cell CL0000920
    CSI 4.08
    rCSI 8.14%
    PRS 85.23
  • pancreatic acinar cell CL0002064
    CSI 3.8
    rCSI 5.05%
    PRS 76.92
  • T-helper 17 cell CL0000899
    CSI 3.66
    rCSI 2.91%
    PRS 89.48
  • ciliated cell CL0000064
    CSI 3.61
    rCSI 5.86%
    PRS 66.14
  • placental villous trophoblast CL2000060
    CSI 3.61
    rCSI 5.57%
    PRS 69.35
  • mesodermal cell CL0000222
    CSI 3.6
    rCSI 4.32%
    PRS 68.76
  • Kupffer cell CL0000091
    CSI 3.59
    rCSI 8.2%
    PRS 71.28
  • nasal mucosa goblet cell CL0002480
    CSI 3.52
    rCSI 4.08%
    PRS 76.63
  • elicited macrophage CL0000861
    CSI 3.5
    rCSI 3.21%
    PRS 79.58
  • ciliated epithelial cell CL0000067
    CSI 3.37
    rCSI 2.96%
    PRS 58.53
  • duct epithelial cell CL0000068
    CSI 3.28
    rCSI 4.8%
    PRS 75.44
  • early lymphoid progenitor CL0000936
    CSI 3.28
    rCSI 2.88%
    PRS 75.98
  • lung goblet cell CL1000143
    CSI 3.27
    rCSI 36.51%
    PRS 85.63
  • conventional dendritic cell CL0000990
    CSI 3.1
    rCSI 2.59%
    PRS 76.28
  • promyelocyte CL0000836
    CSI 3.01
    rCSI 4.34%
    PRS 78.57
  • paneth cell of colon CL0009009
    CSI 2.94
    rCSI 28.91%
    PRS 83.75
  • erythroid progenitor cell CL0000038
    CSI 2.93
    rCSI 16.82%
    PRS 78.25
  • intestinal tuft cell CL0019032
    CSI 2.93
    rCSI 4.47%
    PRS 75
  • group 3 innate lymphoid cell CL0001071
    CSI 2.92
    rCSI 2.19%
    PRS 76.47
  • basal cell CL0000646
    CSI 2.88
    rCSI 3.85%
    PRS 70.31
  • pvalb GABAergic cortical interneuron CL4023018
    CSI 2.85
    rCSI 3.55%
    PRS 49.83
  • CD4-positive, CD25-positive, alpha-beta regulatory T cell CL0000792
    CSI 2.85
    rCSI 2.8%
    PRS 85.17
  • acinar cell of salivary gland CL0002623
    CSI 2.84
    rCSI 66.2%
    PRS 86.21
  • epithelial cell of lung CL0000082
    CSI 2.81
    rCSI 2.33%
    PRS 70.62
  • radial glial cell CL0000681
    CSI 2.77
    rCSI 3.85%
    PRS 68.96
  • alveolar adventitial fibroblast CL4028006
    CSI 2.76
    rCSI 4.36%
    PRS 72.65
  • alveolar macrophage CL0000583
    CSI 2.75
    rCSI 4.54%
    PRS 75.81
  • alpha-beta T cell CL0000789
    CSI 2.72
    rCSI 3.18%
    PRS 85.59
  • colonocyte CL1000347
    CSI 2.65
    rCSI 3.8%
    PRS 72.88
  • keratinocyte CL0000312
    CSI 2.63
    rCSI 2.2%
    PRS 73.94
  • retinal ganglion cell CL0000740
    CSI 2.62
    rCSI 5.8%
    PRS 56.41
  • mononuclear phagocyte CL0000113
    CSI 2.61
    rCSI 5.75%
    PRS 74.79
  • pluripotent stem cell CL0002248
    CSI 0.2
    rCSI 4.7%
    PRS 85.9%
  • pre-conventional dendritic cell CL0002010
    CSI 0.2
    rCSI 2.3%
    PRS 91.5%
  • P/D1 enteroendocrine cell CL0002268
    CSI 0.3
    rCSI 1.4%
    PRS 82.1%
  • epithelial cell of urethra CL1000296
    CSI 0.3
    rCSI 8.0%
    PRS 82.7%
  • L6b glutamatergic cortical neuron CL4023038
    CSI 0.4
    rCSI 1.2%
    PRS 53.5%
  • enterocyte of epithelium of small intestine CL1000334
    CSI 0.4
    rCSI 6.1%
    PRS 83.1%
  • eosinophil CL0000771
    CSI 0.4
    rCSI 2.7%
    PRS 91.7%
  • L5 extratelencephalic projecting glutamatergic cortical neuron CL4023041
    CSI 0.6
    rCSI 2.1%
    PRS 49.9%
  • type EC enteroendocrine cell CL0000577
    CSI 0.6
    rCSI 2.1%
    PRS 77.3%
  • basal cell of epithelium of trachea CL1000348
    CSI 0.6
    rCSI 4.2%
    PRS 80.1%
  • primitive red blood cell CL0002355
    CSI 0.6
    rCSI 3.3%
    PRS 80.0%
  • antibody secreting cell CL0000946
    CSI 0.6
    rCSI 2.8%
    PRS 93.9%
  • myeloid lineage restricted progenitor cell CL0000839
    CSI 0.6
    rCSI 3.3%
    PRS 89.0%
  • luminal cell of prostate epithelium CL0002340
    CSI 0.7
    rCSI 3.7%
    PRS 80.4%
  • colon macrophage CL0009038
    CSI 0.7
    rCSI 3.3%
    PRS 86.3%
  • respiratory epithelial cell CL0002368
    CSI 0.8
    rCSI 5.0%
    PRS 91.5%
  • kidney epithelial cell CL0002518
    CSI 1.0
    rCSI 1.9%
    PRS 87.1%
  • chondrocyte CL0000138
    CSI 1.0
    rCSI 1.5%
    PRS 63.2%
  • endothelial cell of uterus CL0009095
    CSI 1.0
    rCSI 7.1%
    PRS 83.3%
  • paneth cell CL0000510
    CSI 1.0
    rCSI 1.5%
    PRS 83.9%
  • IgM plasma cell CL0000986
    CSI 1.0
    rCSI 4.6%
    PRS 92.4%
  • intestinal crypt stem cell of small intestine CL0009017
    CSI 1.1
    rCSI 2.9%
    PRS 77.0%
  • retinal cone cell CL0000573
    CSI 1.1
    rCSI 1.7%
    PRS 59.9%
  • choroid plexus epithelial cell CL0000706
    CSI 1.1
    rCSI 1.8%
    PRS 59.6%
  • Hofbauer cell CL3000001
    CSI 1.1
    rCSI 2.2%
    PRS 80.5%
  • helper T cell CL0000912
    CSI 1.2
    rCSI 1.7%
    PRS 73.0%
  • caudal ganglionic eminence derived cortical interneuron CL4023064
    CSI 1.3
    rCSI 2.3%
    PRS 50.8%
  • retina horizontal cell CL0000745
    CSI 1.3
    rCSI 2.0%
    PRS 66.8%
  • vein endothelial cell of respiratory system CL4033008
    CSI 1.4
    rCSI 9.4%
    PRS 81.0%
  • intermediate monocyte CL0002393
    CSI 1.4
    rCSI 2.1%
    PRS 75.7%
  • type L enteroendocrine cell CL0002279
    CSI 1.4
    rCSI 2.6%
    PRS 82.0%
  • luminal epithelial cell of mammary gland CL0002326
    CSI 1.4
    rCSI 2.6%
    PRS 83.8%
  • syncytiotrophoblast cell CL0000525
    CSI 1.5
    rCSI 4.3%
    PRS 80.8%
  • alveolar type 1 fibroblast cell CL4028004
    CSI 1.5
    rCSI 1.7%
    PRS 73.7%
  • sst GABAergic cortical interneuron CL4023017
    CSI 1.6
    rCSI 2.0%
    PRS 53.1%
  • memory T cell CL0000813
    CSI 1.6
    rCSI 3.0%
    PRS 91.7%
  • VIP GABAergic cortical interneuron CL4023016
    CSI 1.6
    rCSI 1.9%
    PRS 51.6%
  • common dendritic progenitor CL0001029
    CSI 1.6
    rCSI 2.0%
    PRS 80.6%
  • glandular epithelial cell CL0000150
    CSI 1.6
    rCSI 4.3%
    PRS 85.7%
  • muscle cell CL0000187
    CSI 1.6
    rCSI 3.4%
    PRS 85.0%
  • Langerhans cell CL0000453
    CSI 1.7
    rCSI 2.5%
    PRS 84.6%
  • endothelial cell of placenta CL0009092
    CSI 1.7
    rCSI 8.2%
    PRS 80.8%
  • pancreatic ductal cell CL0002079
    CSI 1.7
    rCSI 3.3%
    PRS 74.0%
  • CD4-positive helper T cell CL0000492
    CSI 1.7
    rCSI 1.3%
    PRS 83.7%
  • stratified epithelial cell CL0000079
    CSI 1.8
    rCSI 10.8%
    PRS 83.6%
  • paneth cell of epithelium of small intestine CL1000343
    CSI 1.8
    rCSI 4.9%
    PRS 80.2%
  • conjunctival epithelial cell CL1000432
    CSI 1.8
    rCSI 2.8%
    PRS 71.3%
  • type B pancreatic cell CL0000169
    CSI 1.8
    rCSI 4.0%
    PRS 69.2%
  • respiratory hillock cell CL4030023
    CSI 1.8
    rCSI 3.2%
    PRS 82.1%
  • neural crest cell CL0011012
    CSI 1.8
    rCSI 1.4%
    PRS 57.8%
  • respiratory basal cell CL0002633
    CSI 1.8
    rCSI 1.9%
    PRS 76.0%
  • dendritic cell, human CL0001056
    CSI 1.9
    rCSI 2.8%
    PRS 80.0%
  • CD14-low, CD16-positive monocyte CL0002396
    CSI 1.9
    rCSI 1.5%
    PRS 72.4%
  • retinal blood vessel endothelial cell CL0002585
    CSI 1.9
    rCSI 3.1%
    PRS 74.8%
  • granulocyte CL0000094
    CSI 2.0
    rCSI 3.1%
    PRS 79.6%
  • prostate gland microvascular endothelial cell CL2000059
    CSI 2.0
    rCSI 48.6%
    PRS 83.8%
  • CD1c-positive myeloid dendritic cell CL0002399
    CSI 2.0
    rCSI 2.5%
    PRS 79.7%
  • mammary gland epithelial cell CL0002327
    CSI 2.0
    rCSI 7.2%
    PRS 80.9%
  • common lymphoid progenitor CL0000051
    CSI 2.1
    rCSI 2.7%
    PRS 88.2%
  • BEST4+ enteroycte CL4030026
    CSI 2.1
    rCSI 2.6%
    PRS 72.4%
  • basal cell of prostate epithelium CL0002341
    CSI 2.1
    rCSI 6.2%
    PRS 79.8%
  • lung macrophage CL1001603
    CSI 2.2
    rCSI 4.8%
    PRS 78.6%
  • bronchus fibroblast of lung CL2000093
    CSI 2.2
    rCSI 1.8%
    PRS 70.8%
  • pancreatic stellate cell CL0002410
    CSI 2.2
    rCSI 13.0%
    PRS 77.3%
  • enteric smooth muscle cell CL0002504
    CSI 2.3
    rCSI 3.2%
    PRS 72.4%
  • lung secretory cell CL1000272
    CSI 2.3
    rCSI 5.7%
    PRS 69.4%
  • ionocyte CL0005006
    CSI 2.3
    rCSI 2.5%
    PRS 71.0%
  • retinal bipolar neuron CL0000748
    CSI 2.3
    rCSI 4.3%
    PRS 58.3%
  • myeloid dendritic cell CL0000782
    CSI 2.3
    rCSI 3.4%
    PRS 85.3%
  • enteroendocrine cell CL0000164
    CSI 2.3
    rCSI 3.2%
    PRS 71.5%
  • hematopoietic stem cell CL0000037
    CSI 2.4
    rCSI 1.6%
    PRS 73.4%
  • fallopian tube secretory epithelial cell CL4030006
    CSI 2.4
    rCSI 2.3%
    PRS 70.2%
  • serous secreting cell CL0000313
    CSI 2.4
    rCSI 12.0%
    PRS 89.3%
  • skin fibroblast CL0002620
    CSI 2.4
    rCSI 2.1%
    PRS 74.0%
  • interneuron CL0000099
    CSI 2.5
    rCSI 5.1%
    PRS 59.8%
  • alternatively activated macrophage CL0000890
    CSI 2.6
    rCSI 3.2%
    PRS 81.7%
  • mononuclear phagocyte CL0000113
    CSI 2.6
    rCSI 5.8%
    PRS 74.8%
  • retinal ganglion cell CL0000740
    CSI 2.6
    rCSI 5.8%
    PRS 56.4%
  • keratinocyte CL0000312
    CSI 2.6
    rCSI 2.2%
    PRS 73.9%
  • colonocyte CL1000347
    CSI 2.7
    rCSI 3.8%
    PRS 72.9%
  • alpha-beta T cell CL0000789
    CSI 2.7
    rCSI 3.2%
    PRS 85.6%
  • alveolar macrophage CL0000583
    CSI 2.8
    rCSI 4.5%
    PRS 75.8%
  • alveolar adventitial fibroblast CL4028006
    CSI 2.8
    rCSI 4.4%
    PRS 72.7%
  • radial glial cell CL0000681
    CSI 2.8
    rCSI 3.9%
    PRS 69.0%
  • epithelial cell of lung CL0000082
    CSI 2.8
    rCSI 2.3%
    PRS 70.6%
  • acinar cell of salivary gland CL0002623
    CSI 2.8
    rCSI 66.2%
    PRS 86.2%
  • CD4-positive, CD25-positive, alpha-beta regulatory T cell CL0000792
    CSI 2.9
    rCSI 2.8%
    PRS 85.2%
  • pvalb GABAergic cortical interneuron CL4023018
    CSI 2.9
    rCSI 3.6%
    PRS 49.8%
  • basal cell CL0000646
    CSI 2.9
    rCSI 3.9%
    PRS 70.3%
  • group 3 innate lymphoid cell CL0001071
    CSI 2.9
    rCSI 2.2%
    PRS 76.5%
  • intestinal tuft cell CL0019032
    CSI 2.9
    rCSI 4.5%
    PRS 75.0%
  • erythroid progenitor cell CL0000038
    CSI 2.9
    rCSI 16.8%
    PRS 78.3%
  • paneth cell of colon CL0009009
    CSI 2.9
    rCSI 28.9%
    PRS 83.8%
  • promyelocyte CL0000836
    CSI 3.0
    rCSI 4.3%
    PRS 78.6%
  • conventional dendritic cell CL0000990
    CSI 3.1
    rCSI 2.6%
    PRS 76.3%
  • lung goblet cell CL1000143
    CSI 3.3
    rCSI 36.5%
    PRS 85.6%
  • early lymphoid progenitor CL0000936
    CSI 3.3
    rCSI 2.9%
    PRS 76.0%
  • duct epithelial cell CL0000068
    CSI 3.3
    rCSI 4.8%
    PRS 75.4%
  • ciliated epithelial cell CL0000067
    CSI 3.4
    rCSI 3.0%
    PRS 58.5%
  • elicited macrophage CL0000861
    CSI 3.5
    rCSI 3.2%
    PRS 79.6%

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 [NANS](/details-gene/54187) (N-acetylneuraminate synthase) is a protein-coding gene located on chromosome 9q22.33 that encodes the key enzyme responsible for the de novo biosynthesis of sialic acid. Functionally, it catalyzes the condensation of N-acetylmannosamine-6-phosphate (ManNAc-6-P) and phosphoenolpyruvate (PEP) to produce N-acetylneuraminic acid 9-phosphate (Neu5Ac-9-P), a direct precursor to CMP-sialic acid. Given that sialic acids are terminal sugars on numerous glycoproteins and glycolipids, [NANS](/details-gene/54187) plays a fundamental role in post-translational protein modification and glycosylation. Expression data indicate that **Overall**, [NANS](/details-gene/54187) is most significant in cells with high secretory activity or rapid turnover, particularly in epithelial lineages such as the [transit amplifying cell of colon](/details-cell/CL0009011) and [intestine goblet cell](/details-cell/CL0019031), highlighting its critical role in mucosal biology and tissue maintenance. ## Cellular Roles and Expression Landscape The expression profile of [NANS](/details-gene/54187) underscores its essential function in tissues requiring extensive protein glycosylation for secretory functions and cellular architecture. **Overall**, the gene shows the highest significance in a variety of secretory and proliferative epithelial cells. Its top-ranking positions in [transit amplifying cell of colon](/details-cell/CL0009011) (CSI: 42.28), [intestine goblet cell](/details-cell/CL0019031) (CSI: 40.34), [mucous neck cell](/details-cell/CL0000651) (CSI: 37.68), and [colon goblet cell](/details-cell/CL0009039) (CSI: 23.29) strongly suggest a critical role in maintaining the gastrointestinal mucosal barrier through the production of sialylated mucins. This pattern is consistent across other mucosal surfaces, with high significance in [multi-ciliated epithelial cell](/details-cell/CL0005012) and [lung ciliated cell](/details-cell/CL1000271), which are essential for mucociliary clearance. The gene's importance extends to proliferative compartments, as evidenced by its high CSI in [stem cell](/details-cell/CL0000034) (CSI: 27.16), implying a role in supplying the necessary building blocks for new cell membrane synthesis during tissue renewal. Beyond epithelial tissues, [NANS](/details-gene/54187) is also highly significant in [plasmablast](/details-cell/CL0000980) (CSI: 26.75), a cell type characterized by massive production and secretion of antibodies (immunoglobulins), which are heavily glycosylated proteins. This indicates that [NANS](/details-gene/54187) activity is crucial for supporting the humoral immune response. The collective data portray [NANS](/details-gene/54187) as a vital metabolic enzyme whose activity is a prerequisite for the function of diverse cell types engaged in high-throughput synthesis of glycoproteins. ## Pathways and Molecular Function The functional annotations for [NANS](/details-gene/54187) align perfectly with its observed expression pattern. Its primary molecular functions are annotated as '[N-acetylneuraminate synthase activity](/details-go/GO:0050462)' and '[N-acylneuraminate-9-phosphate synthase activity](/details-go/GO:0047444)', positioning it as the rate-limiting enzyme in its pathway. This activity directly supports the biological processes of '[N-acetylneuraminate biosynthetic process](/details-go/GO:0046380)' and '[Cmp-n-acetylneuraminate biosynthetic process](/details-go/GO:0006055)'. These fundamental roles in sialic acid synthesis are integral to broader cellular processes. The Reactome pathway database places [NANS](/details-gene/54187) within the '[Sialic acid metabolism](/details-pathway/R-HSA-4085001)' and '[Synthesis of substrates in n-glycan biosythesis](/details-pathway/R-HSA-446219)' pathways. Consequently, it is a key upstream component of '[Asparagine n-linked glycosylation](/details-pathway/R-HSA-446203)' and, more generally, '[Post-translational protein modification](/details-pathway/R-HSA-597592)'. Its high expression in goblet cells and plasmablasts is therefore a direct reflection of the demand these cells have for sialic acid precursors to produce functional mucins and antibodies, respectively. Research has confirmed that NANS-mediated synthesis is essential for normal physiology, with defects leading to severe developmental abnormalities in the brain and skeleton ([Link](https://doi.org/10.1038/ng.3578)). ## Research Directions The role of [NANS](/details-gene/54187) as a central hub for sialic acid synthesis presents several intriguing avenues for future research, particularly concerning tissue homeostasis, disease pathology, and therapeutic intervention. Based on the available data, several testable hypotheses can be proposed: 1. **Hypothesis 1: Role in Intestinal Barrier Regeneration.** Given its high significance in both [stem cell](/details-cell/CL0000034) and [transit amplifying cell of colon](/details-cell/CL0009011), the activity of [NANS](/details-gene/54187) may be a critical checkpoint for epithelial regeneration following injury. It is hypothesized that targeted inhibition of [NANS](/details-gene/54187) in the intestinal crypt would impair the proliferation and differentiation of progenitor cells, leading to a defective mucosal barrier. 2. **Hypothesis 2: Contribution to Tumorigenesis.** Altered sialylation is a hallmark of many cancers, contributing to immune evasion and metastasis. It is hypothesized that the upregulation of [NANS](/details-gene/54187) in gastrointestinal cancers is an early event that promotes malignancy by increasing cell surface sialic acid density, thereby masking tumor cells from immune surveillance. **Experimental Approach to Test Hypothesis 1:** To investigate the role of [NANS](/details-gene/54187) in intestinal regeneration, a murine model of colitis (e.g., DSS-induced colitis) could be used in conjunction with a conditional knockout of *Nans* in intestinal stem cells (e.g., Lgr5-CreERT2;Nans-fl/fl mice). Following injury, intestinal crypt regeneration, cell proliferation (via EdU staining), and barrier function (via FITC-dextran assay) would be compared between knockout and control animals. Intestinal organoids derived from these mice could also be used for in vitro analysis, assessing growth dynamics and differentiation patterns via single-cell RNA sequencing after Nans deletion. **Therapeutic Potential:** As the gateway enzyme for sialic acid biosynthesis, [NANS](/details-gene/54187) represents a compelling therapeutic target, particularly in oncology. Overexpression of sialic acids on cancer cells helps them evade immune destruction and facilitates metastasis. Therefore, **inhibition** of [NANS](/details-gene/54187) could serve as a powerful anti-cancer strategy by reducing the "sialic acid shield" and re-sensitizing tumors to immunotherapy. However, its crucial role in healthy tissues, especially mucosal surfaces and for proper development ([Link](https://doi.org/10.1038/ng.3578)), suggests that systemic inhibition could lead to significant toxicity. The development of tumor-targeted inhibitors or strategies that selectively deliver NANS-inhibiting agents to the tumor microenvironment would be essential for clinical translation.

Genular Protein ID: 3812073743

Symbol: SIAS_HUMAN

Name: Sialic acid synthase

UniProtKB Accession Codes:

Database IDs:

Citations:

PubMed ID: 10749855

Title: Cloning and expression of the human N-acetylneuraminic acid phosphate synthase gene with 2-keto-3-deoxy-D-glycero-D-galacto-nononic acid biosynthetic ability.

PubMed ID: 10749855

DOI: 10.1074/jbc.m000217200

PubMed ID: 14702039

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

PubMed ID: 14702039

DOI: 10.1038/ng1285

PubMed ID: 15164053

Title: DNA sequence and analysis of human chromosome 9.

PubMed ID: 15164053

DOI: 10.1038/nature02465

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: 19608861

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

PubMed ID: 19608861

DOI: 10.1126/science.1175371

PubMed ID: 21269460

Title: Initial characterization of the human central proteome.

PubMed ID: 21269460

DOI: 10.1186/1752-0509-5-17

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: 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: 27213289

Title: NANS-mediated synthesis of sialic acid is required for brain and skeletal development.

PubMed ID: 27213289

DOI: 10.1038/ng.3578

PubMed ID: 16597820

Title: Solution structure of the antifreeze-like domain of human sialic acid synthase.

PubMed ID: 16597820

DOI: 10.1110/ps.051700406

Sequence Information:

  • Length: 359
  • Mass: 40308
  • Checksum: 2E02D47F4F98592F
  • Sequence:
  • MPLELELCPG RWVGGQHPCF IIAEIGQNHQ GDLDVAKRMI RMAKECGADC AKFQKSELEF 
    KFNRKALERP YTSKHSWGKT YGEHKRHLEF SHDQYRELQR YAEEVGIFFT ASGMDEMAVE 
    FLHELNVPFF KVGSGDTNNF PYLEKTAKKG RPMVISSGMQ SMDTMKQVYQ IVKPLNPNFC 
    FLQCTSAYPL QPEDVNLRVI SEYQKLFPDI PIGYSGHETG IAISVAAVAL GAKVLERHIT 
    LDKTWKGSDH SASLEPGELA ELVRSVRLVE RALGSPTKQL LPCEMACNEK LGKSVVAKVK 
    IPEGTILTMD MLTVKVGEPK GYPPEDIFNL VGKKVLVTVE EDDTIMEELV DNHGKKIKS