Details for: TMEM50B

Gene ID: 757

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: TMEM50B

Ensembl ID: ENSG00000142188

Description: transmembrane protein 50B

Cell Significance Landscape

Associated with

Significant Cells

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

  • renal beta-intercalated cell CL0002201
    CSI 14.33
    rCSI 34.16%
    PRS 43.38
  • parietal epithelial cell CL1000452
    CSI 13.72
    rCSI 36.68%
    PRS 34.61
  • pulmonary ionocyte CL0017000
    CSI 11.71
    rCSI 14.26%
    PRS 48.15
  • epithelial cell of lung CL0000082
    CSI 11.52
    rCSI 9.55%
    PRS 39.42
  • transit amplifying cell CL0009010
    CSI 7.76
    rCSI 11.87%
    PRS 56.99
  • erythrocyte CL0000232
    CSI 6.96
    rCSI 15.8%
    PRS 46.47
  • alveolar type 1 fibroblast cell CL4028004
    CSI 6.14
    rCSI 6.73%
    PRS 44.64
  • dendritic cell, human CL0001056
    CSI 5.49
    rCSI 8.44%
    PRS 47.37
  • myoepithelial cell CL0000185
    CSI 5.26
    rCSI 13.3%
    PRS 48.83
  • caudal ganglionic eminence derived cortical interneuron CL4023064
    CSI 4.8
    rCSI 8.47%
    PRS 25.74
  • podocyte CL0000653
    CSI 4.76
    rCSI 21.14%
    PRS 39.5
  • regular ventricular cardiac myocyte CL0002131
    CSI 4.41
    rCSI 27.56%
    PRS 34.07
  • double negative thymocyte CL0002489
    CSI 3.82
    rCSI 2.65%
    PRS 48.78
  • myeloid leukocyte CL0000766
    CSI 3.79
    rCSI 3.5%
    PRS 41.85
  • effector CD8-positive, alpha-beta T cell CL0001050
    CSI 3.78
    rCSI 2.88%
    PRS 51.47
  • activated CD4-positive, alpha-beta T cell CL0000896
    CSI 3.61
    rCSI 3.33%
    PRS 61.09
  • lung pericyte CL0009089
    CSI 3.59
    rCSI 9.48%
    PRS 48
  • astrocyte of the cerebral cortex CL0002605
    CSI 3.57
    rCSI 8.01%
    PRS 27.27
  • CD4-positive, alpha-beta thymocyte CL0000810
    CSI 3.48
    rCSI 2.79%
    PRS 61.94
  • renal principal cell CL0005009
    CSI 3.46
    rCSI 8.98%
    PRS 46.32
  • mesodermal cell CL0000222
    CSI 3.4
    rCSI 4.08%
    PRS 39.09
  • Kupffer cell CL0000091
    CSI 3.23
    rCSI 7.38%
    PRS 40.31
  • T-helper 17 cell CL0000899
    CSI 3.21
    rCSI 2.55%
    PRS 62.3
  • CD1c-positive myeloid dendritic cell CL0002399
    CSI 3.08
    rCSI 3.72%
    PRS 47.99
  • regular atrial cardiac myocyte CL0002129
    CSI 3.07
    rCSI 9.88%
    PRS 40.41
  • cerebral cortex endothelial cell CL1001602
    CSI 3.02
    rCSI 5.22%
    PRS 32.41
  • pro-B cell CL0000826
    CSI 2.96
    rCSI 2.45%
    PRS 41.7
  • secretory cell CL0000151
    CSI 2.88
    rCSI 3.01%
    PRS 41.44
  • duct epithelial cell CL0000068
    CSI 2.84
    rCSI 4.16%
    PRS 43.63
  • L6b glutamatergic cortical neuron CL4023038
    CSI 2.76
    rCSI 8.64%
    PRS 27.77
  • erythroid progenitor cell CL0000038
    CSI 2.53
    rCSI 14.51%
    PRS 51.67
  • cerebellar granule cell CL0001031
    CSI 2.47
    rCSI 3.64%
    PRS 37.55
  • perivascular cell CL4033054
    CSI 2.42
    rCSI 3.31%
    PRS 45.4
  • memory T cell CL0000813
    CSI 2.42
    rCSI 4.66%
    PRS 70.41
  • hepatocyte CL0000182
    CSI 2.4
    rCSI 4.29%
    PRS 39.41
  • naive T cell CL0000898
    CSI 2.39
    rCSI 1.67%
    PRS 53.12
  • CD4-positive, CD25-positive, alpha-beta regulatory T cell CL0000792
    CSI 2.38
    rCSI 2.34%
    PRS 55.67
  • early lymphoid progenitor CL0000936
    CSI 2.37
    rCSI 2.08%
    PRS 45.52
  • M cell of gut CL0000682
    CSI 2.35
    rCSI 2.5%
    PRS 56.18
  • fibroblast of cardiac tissue CL0002548
    CSI 2.34
    rCSI 11.19%
    PRS 39.41
  • ON-bipolar cell CL0000749
    CSI 2.28
    rCSI 3.39%
    PRS 43.84
  • cerebral cortex neuron CL0010012
    CSI 2.28
    rCSI 9.29%
    PRS 39.12
  • tracheobronchial serous cell CL0019001
    CSI 2.23
    rCSI 9.62%
    PRS 57.64
  • T follicular helper cell CL0002038
    CSI 2.2
    rCSI 1.65%
    PRS 54.91
  • melanocyte CL0000148
    CSI 2.19
    rCSI 1.62%
    PRS 35.21
  • central memory CD4-positive, alpha-beta T cell CL0000904
    CSI 2.17
    rCSI 1.28%
    PRS 54.75
  • lung secretory cell CL1000272
    CSI 2.14
    rCSI 5.31%
    PRS 39.05
  • effector memory CD8-positive, alpha-beta T cell, terminally differentiated CL0001062
    CSI 2.1
    rCSI 10.55%
    PRS 51.23
  • group 3 innate lymphoid cell CL0001071
    CSI 2.09
    rCSI 1.57%
    PRS 43.81
  • CD4-positive, alpha-beta memory T cell CL0000897
    CSI 2.09
    rCSI 1.5%
    PRS 52.96
  • intestinal tuft cell CL0019032
    CSI 2.08
    rCSI 3.17%
    PRS 45.29
  • bronchus fibroblast of lung CL2000093
    CSI 2.07
    rCSI 1.68%
    PRS 41.83
  • mucus secreting cell CL0000319
    CSI 2.06
    rCSI 3.28%
    PRS 50.84
  • T-helper 1 cell CL0000545
    CSI 2.05
    rCSI 3.7%
    PRS 67.86
  • unswitched memory B cell CL0000970
    CSI 2.04
    rCSI 1.71%
    PRS 57.74
  • kidney loop of Henle thin descending limb epithelial cell CL1001111
    CSI 2.03
    rCSI 2.88%
    PRS 38.16
  • myofibroblast cell CL0000186
    CSI 2.03
    rCSI 2.81%
    PRS 46.48
  • keratinocyte CL0000312
    CSI 2.02
    rCSI 1.7%
    PRS 45.93
  • stem cell CL0000034
    CSI 2.02
    rCSI 1.94%
    PRS 32.22
  • alpha-beta T cell CL0000789
    CSI 1.98
    rCSI 2.31%
    PRS 55.57
  • megakaryocyte-erythroid progenitor cell CL0000050
    CSI 1.96
    rCSI 1.77%
    PRS 37.61
  • pulmonary capillary endothelial cell CL4028001
    CSI 1.93
    rCSI 3.67%
    PRS 57.4
  • hepatic stellate cell CL0000632
    CSI 1.92
    rCSI 7.18%
    PRS 34.83
  • mature T cell CL0002419
    CSI 1.91
    rCSI 1.48%
    PRS 56.94
  • mature alpha-beta T cell CL0000791
    CSI 1.89
    rCSI 6.85%
    PRS 59.6
  • goblet cell CL0000160
    CSI 1.89
    rCSI 1.78%
    PRS 42.09
  • granulocyte CL0000094
    CSI 1.88
    rCSI 2.87%
    PRS 49.57
  • ciliated epithelial cell CL0000067
    CSI 1.88
    rCSI 1.65%
    PRS 31.02
  • glioblast CL0000030
    CSI 1.85
    rCSI 2.95%
    PRS 35.29
  • CD4-positive, alpha-beta cytotoxic T cell CL0000934
    CSI 1.84
    rCSI 2.53%
    PRS 61.13
  • interneuron CL0000099
    CSI 1.84
    rCSI 3.7%
    PRS 31.63
  • blood vessel endothelial cell CL0000071
    CSI 1.84
    rCSI 3.81%
    PRS 39.14
  • precursor B cell CL0000817
    CSI 1.83
    rCSI 1.6%
    PRS 50.22
  • hematopoietic stem cell CL0000037
    CSI 1.81
    rCSI 1.2%
    PRS 44.9
  • fallopian tube secretory epithelial cell CL4030006
    CSI 1.78
    rCSI 1.72%
    PRS 41.46
  • CD14-low, CD16-positive monocyte CL0002396
    CSI 1.78
    rCSI 1.37%
    PRS 39.41
  • colonocyte CL1000347
    CSI 1.78
    rCSI 2.55%
    PRS 48.32
  • mononuclear phagocyte CL0000113
    CSI 1.77
    rCSI 3.91%
    PRS 44.65
  • differentiation-committed oligodendrocyte precursor CL4023059
    CSI 1.76
    rCSI 3.19%
    PRS 35.22
  • retinal cone cell CL0000573
    CSI 1.74
    rCSI 2.81%
    PRS 32.47
  • IgA plasma cell CL0000987
    CSI 1.73
    rCSI 1.77%
    PRS 59.47
  • BEST4+ enteroycte CL4030026
    CSI 1.69
    rCSI 2.1%
    PRS 43.51
  • enteric smooth muscle cell CL0002504
    CSI 1.66
    rCSI 2.37%
    PRS 43.66
  • Bergmann glial cell CL0000644
    CSI 1.64
    rCSI 2.25%
    PRS 37.95
  • alternatively activated macrophage CL0000890
    CSI 1.64
    rCSI 2.07%
    PRS 53.98
  • CD4-positive helper T cell CL0000492
    CSI 1.64
    rCSI 1.24%
    PRS 52.55
  • plasmablast CL0000980
    CSI 1.63
    rCSI 1.28%
    PRS 46.92
  • central memory CD8-positive, alpha-beta T cell CL0000907
    CSI 1.61
    rCSI 1.08%
    PRS 50.34
  • conjunctival epithelial cell CL1000432
    CSI 1.6
    rCSI 2.44%
    PRS 41.42
  • ionocyte CL0005006
    CSI 1.59
    rCSI 1.7%
    PRS 38.82
  • choroid plexus epithelial cell CL0000706
    CSI 1.58
    rCSI 2.59%
    PRS 32.47
  • enterocyte CL0000584
    CSI 1.56
    rCSI 2.52%
    PRS 50.27
  • interstitial cell of Cajal CL0002088
    CSI 1.56
    rCSI 1.99%
    PRS 45.83
  • Mueller cell CL0000636
    CSI 1.56
    rCSI 3.56%
    PRS 35.09
  • ciliated cell CL0000064
    CSI 1.56
    rCSI 2.53%
    PRS 39.62
  • intermediate monocyte CL0002393
    CSI 1.56
    rCSI 2.35%
    PRS 42.55
  • IgG plasma cell CL0000985
    CSI 1.54
    rCSI 1.84%
    PRS 59.71
  • squamous epithelial cell CL0000076
    CSI 1.53
    rCSI 3.64%
    PRS 46.74
  • CD8-positive, alpha-beta cytotoxic T cell CL0000794
    CSI 1.51
    rCSI 1.8%
    PRS 60.72
  • sst GABAergic cortical interneuron CL4023017
    CSI 1.5
    rCSI 1.93%
    PRS 27.55
  • cytotoxic T cell CL0000910
    CSI 0.2
    rCSI 1.0%
    PRS 52.9%
  • ON midget ganglion cell CL4033046
    CSI 0.2
    rCSI 4.3%
    PRS 34.3%
  • central nervous system neuron CL2000029
    CSI 0.2
    rCSI 1.6%
    PRS 29.9%
  • deuterosomal cell CL4033044
    CSI 0.2
    rCSI 0.8%
    PRS 51.0%
  • mesenchymal stem cell CL0000134
    CSI 0.3
    rCSI 2.9%
    PRS 57.8%
  • Cajal-Retzius cell CL0000695
    CSI 0.3
    rCSI 2.2%
    PRS 58.1%
  • P/D1 enteroendocrine cell CL0002268
    CSI 0.3
    rCSI 1.6%
    PRS 64.1%
  • vasa recta descending limb cell CL1001285
    CSI 0.3
    rCSI 2.5%
    PRS 73.5%
  • lung microvascular endothelial cell CL2000016
    CSI 0.3
    rCSI 6.0%
    PRS 67.2%
  • near-projecting glutamatergic cortical neuron CL4023012
    CSI 0.3
    rCSI 1.3%
    PRS 27.5%
  • corticothalamic-projecting glutamatergic cortical neuron CL4023013
    CSI 0.3
    rCSI 2.0%
    PRS 27.9%
  • L2/3-6 intratelencephalic projecting glutamatergic neuron CL4023040
    CSI 0.4
    rCSI 0.9%
    PRS 25.9%
  • lung goblet cell CL1000143
    CSI 0.4
    rCSI 4.3%
    PRS 74.8%
  • primitive red blood cell CL0002355
    CSI 0.4
    rCSI 2.3%
    PRS 55.9%
  • respiratory goblet cell CL0002370
    CSI 0.4
    rCSI 4.7%
    PRS 61.8%
  • vein endothelial cell of respiratory system CL4033008
    CSI 0.4
    rCSI 3.0%
    PRS 59.7%
  • microcirculation associated smooth muscle cell CL0008035
    CSI 0.4
    rCSI 1.3%
    PRS 43.4%
  • amacrine cell CL0000561
    CSI 0.5
    rCSI 1.3%
    PRS 33.2%
  • L5 extratelencephalic projecting glutamatergic cortical neuron CL4023041
    CSI 0.5
    rCSI 1.6%
    PRS 25.6%
  • endothelial cell of placenta CL0009092
    CSI 0.5
    rCSI 2.2%
    PRS 52.1%
  • mesenchymal cell CL0008019
    CSI 0.5
    rCSI 1.2%
    PRS 37.5%
  • neuroendocrine cell CL0000165
    CSI 0.5
    rCSI 2.0%
    PRS 59.9%
  • glial cell CL0000125
    CSI 0.5
    rCSI 2.1%
    PRS 35.4%
  • retinal ganglion cell CL0000740
    CSI 0.6
    rCSI 1.2%
    PRS 30.4%
  • enteroglial cell CL4040002
    CSI 0.6
    rCSI 3.2%
    PRS 50.6%
  • S cone cell CL0003050
    CSI 0.6
    rCSI 2.7%
    PRS 38.6%
  • luminal cell of prostate epithelium CL0002340
    CSI 0.6
    rCSI 3.4%
    PRS 56.7%
  • pancreatic epsilon cell CL0005019
    CSI 0.6
    rCSI 3.0%
    PRS 64.4%
  • chandelier pvalb GABAergic cortical interneuron CL4023036
    CSI 0.7
    rCSI 2.1%
    PRS 29.8%
  • ciliated columnar cell of tracheobronchial tree CL0002145
    CSI 0.7
    rCSI 1.5%
    PRS 39.8%
  • forebrain radial glial cell CL0013000
    CSI 0.7
    rCSI 2.2%
    PRS 48.9%
  • intestinal crypt stem cell of small intestine CL0009017
    CSI 0.7
    rCSI 1.9%
    PRS 49.7%
  • cardiac neuron CL0010022
    CSI 0.7
    rCSI 2.3%
    PRS 38.1%
  • kidney epithelial cell CL0002518
    CSI 0.7
    rCSI 1.4%
    PRS 63.9%
  • nasal mucosa goblet cell CL0002480
    CSI 0.7
    rCSI 0.9%
    PRS 51.7%
  • respiratory basal cell CL0002633
    CSI 0.7
    rCSI 0.8%
    PRS 46.6%
  • dopaminergic neuron CL0000700
    CSI 0.8
    rCSI 4.2%
    PRS 28.5%
  • small pre-B-II cell CL0000954
    CSI 0.8
    rCSI 0.7%
    PRS 64.5%
  • retinal bipolar neuron CL0000748
    CSI 0.8
    rCSI 1.5%
    PRS 31.6%
  • tracheobronchial smooth muscle cell CL0019019
    CSI 0.8
    rCSI 1.4%
    PRS 49.1%
  • mature B cell CL0000785
    CSI 0.8
    rCSI 0.7%
    PRS 49.4%
  • tracheal goblet cell CL1000329
    CSI 0.8
    rCSI 1.8%
    PRS 60.8%
  • type B pancreatic cell CL0000169
    CSI 0.8
    rCSI 1.8%
    PRS 38.2%
  • bronchial goblet cell CL1000312
    CSI 0.8
    rCSI 3.4%
    PRS 62.6%
  • fibroblast of breast CL4006000
    CSI 0.9
    rCSI 3.6%
    PRS 64.4%
  • lamp5 GABAergic cortical interneuron CL4023011
    CSI 0.9
    rCSI 1.5%
    PRS 26.7%
  • cardiac muscle cell CL0000746
    CSI 0.9
    rCSI 1.3%
    PRS 33.1%
  • Hofbauer cell CL3000001
    CSI 0.9
    rCSI 1.7%
    PRS 50.5%
  • granulocyte monocyte progenitor cell CL0000557
    CSI 0.9
    rCSI 0.8%
    PRS 44.5%
  • placental villous trophoblast CL2000060
    CSI 0.9
    rCSI 1.4%
    PRS 39.0%
  • basal cell of prostate epithelium CL0002341
    CSI 0.9
    rCSI 2.7%
    PRS 59.7%
  • rod bipolar cell CL0000751
    CSI 0.9
    rCSI 1.7%
    PRS 34.9%
  • sncg GABAergic cortical interneuron CL4023015
    CSI 0.9
    rCSI 1.5%
    PRS 28.7%
  • stromal cell of ovary CL0002132
    CSI 0.9
    rCSI 2.6%
    PRS 56.4%
  • CD8-positive, CD28-negative, alpha-beta regulatory T cell CL0000920
    CSI 0.9
    rCSI 1.9%
    PRS 58.5%
  • transitional stage B cell CL0000818
    CSI 1.0
    rCSI 3.1%
    PRS 73.2%
  • mucous neck cell CL0000651
    CSI 1.0
    rCSI 1.4%
    PRS 54.5%
  • endothelial cell of pericentral hepatic sinusoid CL0019022
    CSI 1.0
    rCSI 3.0%
    PRS 53.2%
  • basophil CL0000767
    CSI 1.0
    rCSI 2.0%
    PRS 62.1%
  • retinal rod cell CL0000604
    CSI 1.0
    rCSI 1.7%
    PRS 39.7%
  • alveolar adventitial fibroblast CL4028006
    CSI 1.0
    rCSI 1.6%
    PRS 41.9%
  • club cell CL0000158
    CSI 1.0
    rCSI 1.4%
    PRS 41.0%
  • retina horizontal cell CL0000745
    CSI 1.0
    rCSI 1.5%
    PRS 37.8%
  • pancreatic ductal cell CL0002079
    CSI 1.0
    rCSI 2.0%
    PRS 42.7%
  • erythroid lineage cell CL0000764
    CSI 1.0
    rCSI 6.4%
    PRS 63.7%
  • colon goblet cell CL0009039
    CSI 1.0
    rCSI 2.4%
    PRS 53.3%
  • kidney loop of Henle thin ascending limb epithelial cell CL1001107
    CSI 1.0
    rCSI 2.6%
    PRS 37.4%
  • keratocyte CL0002363
    CSI 1.0
    rCSI 2.5%
    PRS 51.3%
  • pancreatic acinar cell CL0002064
    CSI 1.0
    rCSI 1.4%
    PRS 45.2%
  • retinal blood vessel endothelial cell CL0002585
    CSI 1.0
    rCSI 1.6%
    PRS 44.3%
  • kidney connecting tubule epithelial cell CL1000768
    CSI 1.0
    rCSI 2.6%
    PRS 32.3%
  • effector CD4-positive, alpha-beta T cell CL0001044
    CSI 1.1
    rCSI 3.0%
    PRS 57.6%
  • chondrocyte CL0000138
    CSI 1.1
    rCSI 1.7%
    PRS 34.7%
  • pancreatic PP cell CL0002275
    CSI 1.1
    rCSI 4.3%
    PRS 56.3%
  • intestinal epithelial cell CL0002563
    CSI 1.1
    rCSI 1.1%
    PRS 40.6%
  • direct pathway medium spiny neuron CL4023026
    CSI 1.1
    rCSI 26.2%
    PRS 26.1%
  • foveolar cell of stomach CL0002179
    CSI 1.1
    rCSI 2.4%
    PRS 55.8%
  • vascular associated smooth muscle cell CL0000359
    CSI 1.1
    rCSI 3.7%
    PRS 44.2%
  • pvalb GABAergic cortical interneuron CL4023018
    CSI 1.1
    rCSI 1.4%
    PRS 25.3%
  • enteroendocrine cell CL0000164
    CSI 1.1
    rCSI 1.6%
    PRS 43.5%
  • Schwann cell CL0002573
    CSI 1.2
    rCSI 3.3%
    PRS 41.0%
  • elicited macrophage CL0000861
    CSI 1.2
    rCSI 1.1%
    PRS 47.8%
  • inhibitory interneuron CL0000498
    CSI 1.2
    rCSI 2.7%
    PRS 33.6%
  • lung macrophage CL1001603
    CSI 1.2
    rCSI 2.6%
    PRS 46.9%
  • retinal pigment epithelial cell CL0002586
    CSI 1.2
    rCSI 2.3%
    PRS 40.6%
  • transit amplifying cell of colon CL0009011
    CSI 1.2
    rCSI 1.4%
    PRS 44.7%
  • cardiac endothelial cell CL0010008
    CSI 1.2
    rCSI 4.8%
    PRS 39.6%
  • activated CD8-positive, alpha-beta T cell, human CL0001049
    CSI 1.2
    rCSI 2.0%
    PRS 61.5%
  • intestine goblet cell CL0019031
    CSI 1.2
    rCSI 1.1%
    PRS 40.1%
  • respiratory suprabasal cell CL4033048
    CSI 1.2
    rCSI 1.6%
    PRS 45.5%
  • colon epithelial cell CL0011108
    CSI 1.2
    rCSI 1.3%
    PRS 38.4%
  • peripheral nervous system neuron CL2000032
    CSI 1.2
    rCSI 1.7%
    PRS 35.0%
  • radial glial cell CL0000681
    CSI 1.2
    rCSI 1.7%
    PRS 40.5%
  • brush cell CL0002204
    CSI 1.3
    rCSI 2.5%
    PRS 67.3%
  • OFF-bipolar cell CL0000750
    CSI 1.3
    rCSI 1.8%
    PRS 51.0%
  • luminal epithelial cell of mammary gland CL0002326
    CSI 1.3
    rCSI 2.3%
    PRS 56.8%
  • pancreatic A cell CL0000171
    CSI 1.3
    rCSI 1.4%
    PRS 43.3%
  • renal alpha-intercalated cell CL0005011
    CSI 1.3
    rCSI 1.8%
    PRS 48.9%
  • pancreatic D cell CL0000173
    CSI 1.3
    rCSI 1.3%
    PRS 43.1%
  • promyelocyte CL0000836
    CSI 1.3
    rCSI 1.9%
    PRS 50.8%

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

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

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

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

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

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

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Other Information

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

## Summary [TMEM50B](/details-gene/757) is a protein-coding gene that encodes Transmembrane protein 50B. Functional annotations indicate its localization to the endoplasmic reticulum, Golgi, and plasma membranes, consistent with its predicted role as a transmembrane protein [Link](https://doi.org/10.1101/gr.1293003). The expression profile of [TMEM50B](/details-gene/757) is highly specific, showing significant enrichment in specialized epithelial cells. **Overall**, its highest significance is observed in [renal beta-intercalated cell](/details-cell/CL0002201), [parietal epithelial cell](/details-cell/CL1000452), and [pulmonary ionocyte](/details-cell/CL0017000), suggesting a primary role in epithelial transport, filtration, or homeostatic processes in the kidney and lung. ## Cellular Roles and Expression Landscape The expression pattern of [TMEM50B](/details-gene/757) points toward a specialized function in epithelial biology, particularly in cells responsible for solute and ion transport. **Overall**, its highest Cell Significance Index (CSI) is found in [renal beta-intercalated cell](/details-cell/CL0002201) (CSI: 14.33), which are critical for acid-base homeostasis in the kidney. Similarly, high significance in [pulmonary ionocyte](/details-cell/CL0017000) (CSI: 11.71) suggests a parallel role in the respiratory system, as these cells are known to be major contributors to ion transport in the airway. The gene is also a significant marker for other renal epithelial cells, including [parietal epithelial cell](/details-cell/CL1000452) (CSI: 13.72) and [podocyte](/details-cell/CL0000653) (CSI: 4.76), both components of the glomerular filtration barrier. This suggests a potential role in maintaining the structural or functional integrity of the glomerulus. Beyond the kidney and lung, notable significance is seen in other diverse cell types, including [transit amplifying cell](/details-cell/CL0009010) and [myoepithelial cell](/details-cell/CL0000185). While moderate significance is noted in some immune lineages like [dendritic cell, human](/details-cell/CL0001056) and [effector CD8-positive, alpha-beta T cell](/details-cell/CL0001050), its primary signature is strongly associated with specialized epithelial functions rather than broad immunological roles. ## Pathways and Molecular Function The annotated molecular functions of [TMEM50B](/details-gene/757) are consistent with its cellular expression profile. Its localization to the [Endoplasmic reticulum membrane](/details-cell/GO:0005789), [Golgi membrane](/details-cell/GO:0000139), and [Plasma membrane](/details-cell/GO:0005886) confirms its identity as an integral membrane protein that traverses the secretory pathway. The gene is implicated in the '[Late endosome to vacuole transport via multivesicular body sorting pathway](/details-cell/GO:0032511)', a process crucial for protein sorting, trafficking, and degradation. This function may be linked to the regulation of other membrane proteins, such as ion channels or receptors, which would be highly relevant in the transport-specialized cells where it is most prominently expressed. Furthermore, its annotation for '[Protein binding](/details-cell/GO:0005515)' suggests it likely functions as part of a larger protein complex to exert its biological effects. ## Research Directions The specific expression of [TMEM50B](/details-gene/757) in cells critical for physiological homeostasis, combined with its limited functional characterization, makes it a compelling subject for further investigation. **Proposed Hypotheses:** 1. Given its high significance in [pulmonary ionocyte](/details-cell/CL0017000) and [renal beta-intercalated cell](/details-cell/CL0002201), [TMEM50B](/details-gene/757) may function as a regulator or a core component of an ion transport complex, contributing to pH balance and fluid secretion in the airway and kidney. Its role in endosomal sorting could be to traffic ion channels (e.g., CFTR in ionocytes) or proton pumps (e.g., V-ATPase in intercalated cells) to the correct membrane domain. 2. The high expression of [TMEM50B](/details-gene/757) in glomerular [parietal epithelial cell](/details-cell/CL1000452) and [podocyte](/details-cell/CL0000653) suggests it is involved in maintaining the integrity or signaling of the renal filtration barrier. It could act as an adhesion molecule or part of a signaling scaffold that responds to mechanical stress or communicates between these adjacent cell types. **Key Experimental Approach:** To test the hypothesis that [TMEM50B](/details-gene/757) is involved in ion transport, one could perform a CRISPR-Cas9 knockout of the gene in primary human airway epithelial cells cultured at an air-liquid interface to promote differentiation into ionocytes. The functional consequences could be assessed by measuring transepithelial ion transport using Ussing chamber electrophysiology. Changes in chloride and bicarbonate secretion in response to stimuli like forskolin could directly implicate [TMEM50B](/details-gene/757) in this process. Co-immunoprecipitation followed by mass spectrometry could then be used to identify its protein binding partners, such as CFTR or other known transporters. **Therapeutic Potential:** As a transmembrane protein with a highly restricted expression pattern in specialized epithelial cells, [TMEM50B](/details-gene/757) represents a potentially attractive therapeutic target. If its dysfunction is linked to diseases of ion transport, such as certain forms of cystic fibrosis-like disease or renal tubular acidosis, it could be a target for small molecule modulators. Its surface expression could also make it accessible to antibody-based therapies. However, its precise function must be elucidated before its therapeutic potential can be fully assessed. Depending on the disease mechanism, both inhibition and activation could be viable strategies.

Genular Protein ID: 3521827145

Symbol: TM50B_HUMAN

Name: Transmembrane protein 50B

UniProtKB Accession Codes:

Database IDs:

Citations:

PubMed ID: 10077530

Title: Comparative genomic analysis of the interferon/interleukin-10 receptor gene cluster.

PubMed ID: 10077530

PubMed ID: 12975309

Title: The secreted protein discovery initiative (SPDI), a large-scale effort to identify novel human secreted and transmembrane proteins: a bioinformatics assessment.

PubMed ID: 12975309

DOI: 10.1101/gr.1293003

PubMed ID: 14702039

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

PubMed ID: 14702039

DOI: 10.1038/ng1285

PubMed ID: 17974005

Title: The full-ORF clone resource of the German cDNA consortium.

PubMed ID: 17974005

DOI: 10.1186/1471-2164-8-399

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: 22223895

Title: Comparative large-scale characterisation of plant vs. mammal proteins reveals similar and idiosyncratic N-alpha acetylation features.

PubMed ID: 22223895

DOI: 10.1074/mcp.m111.015131

Sequence Information:

  • Length: 158
  • Mass: 17936
  • Checksum: 515ABB6AAA817DEB
  • Sequence:
  • MAGFLDNFRW PECECIDWSE RRNAVASVVA GILFFTGWWI MIDAAVVYPK PEQLNHAFHT 
    CGVFSTLAFF MINAVSNAQV RGDSYESGCL GRTGARVWLF IGFMLMFGSL IASMWILFGA 
    YVTQNTDVYP GLAVFFQNAL IFFSTLIYKF GRTEELWT