Details for: PTTG1

Gene ID: 9232

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: PTTG1

Ensembl ID: ENSG00000164611

Description: PTTG1 regulator of sister chromatid separation, securin

Cell Significance Landscape

Associated with

Significant Cells

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

  • transit amplifying cell of colon CL0009011
    CSI 37.33
    rCSI 43.84%
    PRS 79.92
  • neuroblast (sensu Nematoda and Protostomia) CL0000338
    CSI 30.52
    rCSI 35.24%
    PRS 70.64
  • promonocyte CL0000559
    CSI 24.82
    rCSI 42.53%
    PRS 84.7
  • radial glial cell CL0000681
    CSI 24.1
    rCSI 33.48%
    PRS 76.98
  • plasmacytoid dendritic cell, human CL0001058
    CSI 20.85
    rCSI 14.56%
    PRS 81.61
  • vascular associated smooth muscle cell CL0000359
    CSI 20.36
    rCSI 66.04%
    PRS 76.28
  • colon epithelial cell CL0011108
    CSI 19.94
    rCSI 20.89%
    PRS 75.7
  • large pre-B-II cell CL0000957
    CSI 19.65
    rCSI 56.11%
    PRS 84.3
  • plasmablast CL0000980
    CSI 18.73
    rCSI 14.73%
    PRS 83.63
  • neural crest cell CL0011012
    CSI 15.69
    rCSI 12.4%
    PRS 66.75
  • early lymphoid progenitor CL0000936
    CSI 14.48
    rCSI 12.72%
    PRS 83.32
  • pro-B cell CL0000826
    CSI 13.7
    rCSI 11.35%
    PRS 80.82
  • CD8-positive, alpha-beta cytotoxic T cell CL0000794
    CSI 13.58
    rCSI 16.22%
    PRS 92.56
  • mesodermal cell CL0000222
    CSI 12.71
    rCSI 15.26%
    PRS 75.9
  • stem cell CL0000034
    CSI 12.6
    rCSI 12.15%
    PRS 71.32
  • double negative thymocyte CL0002489
    CSI 12.49
    rCSI 8.68%
    PRS 89.22
  • hematopoietic stem cell CL0000037
    CSI 12.24
    rCSI 8.14%
    PRS 81.17
  • fallopian tube secretory epithelial cell CL4030006
    CSI 12.14
    rCSI 11.69%
    PRS 77.58
  • granulocyte monocyte progenitor cell CL0000557
    CSI 11.95
    rCSI 10.35%
    PRS 82.4
  • epithelial cell CL0000066
    CSI 11.3
    rCSI 17.36%
    PRS 68.32
  • fraction A pre-pro B cell CL0002045
    CSI 11.28
    rCSI 12.91%
    PRS 89.05
  • precursor B cell CL0000817
    CSI 10.48
    rCSI 9.18%
    PRS 85.65
  • mononuclear phagocyte CL0000113
    CSI 9.54
    rCSI 21.01%
    PRS 81.95
  • primitive red blood cell CL0002355
    CSI 9.45
    rCSI 50.99%
    PRS 85.01
  • megakaryocyte-erythroid progenitor cell CL0000050
    CSI 9.2
    rCSI 8.31%
    PRS 76.48
  • erythrocyte CL0000232
    CSI 9.05
    rCSI 20.54%
    PRS 79.13
  • effector memory CD8-positive, alpha-beta T cell CL0000913
    CSI 8.69
    rCSI 7.92%
    PRS 90.05
  • melanocyte of skin CL1000458
    CSI 8.52
    rCSI 11.61%
    PRS 45.35
  • intestine goblet cell CL0019031
    CSI 8.5
    rCSI 7.54%
    PRS 75.98
  • CD4-positive, alpha-beta memory T cell CL0000897
    CSI 8.07
    rCSI 5.8%
    PRS 90.52
  • goblet cell CL0000160
    CSI 7.97
    rCSI 7.53%
    PRS 77.03
  • promyelocyte CL0000836
    CSI 7.91
    rCSI 11.41%
    PRS 84.39
  • alveolar macrophage CL0000583
    CSI 7.78
    rCSI 12.82%
    PRS 82.37
  • germinal center B cell CL0000844
    CSI 7.6
    rCSI 22.67%
    PRS 88.38
  • effector CD8-positive, alpha-beta T cell CL0001050
    CSI 7.59
    rCSI 5.77%
    PRS 90.24
  • IgG plasma cell CL0000985
    CSI 7.37
    rCSI 8.83%
    PRS 88.56
  • transit amplifying cell CL0009010
    CSI 7.35
    rCSI 11.25%
    PRS 86.95
  • effector CD4-positive, alpha-beta T cell CL0001044
    CSI 7.35
    rCSI 21.09%
    PRS 93.83
  • keratinocyte CL0000312
    CSI 7.25
    rCSI 6.07%
    PRS 81.39
  • respiratory suprabasal cell CL4033048
    CSI 7.06
    rCSI 9.06%
    PRS 81.66
  • erythroblast CL0000765
    CSI 7.02
    rCSI 18.63%
    PRS 84.5
  • transit amplifying cell of small intestine CL0009012
    CSI 6.89
    rCSI 30.25%
    PRS 86.91
  • interstitial cell of Cajal CL0002088
    CSI 6.75
    rCSI 8.59%
    PRS 83.17
  • myofibroblast cell CL0000186
    CSI 6.71
    rCSI 9.3%
    PRS 75.66
  • placental villous trophoblast CL2000060
    CSI 6.67
    rCSI 10.3%
    PRS 77.33
  • epithelial cell of lung CL0000082
    CSI 6.65
    rCSI 5.51%
    PRS 78.82
  • mature T cell CL0002419
    CSI 6.6
    rCSI 5.13%
    PRS 91.79
  • deuterosomal cell CL4033044
    CSI 6.53
    rCSI 22.08%
    PRS 76.67
  • common myeloid progenitor CL0000049
    CSI 6.5
    rCSI 5.26%
    PRS 80.57
  • foveolar cell of stomach CL0002179
    CSI 6.31
    rCSI 13.43%
    PRS 84.83
  • extravillous trophoblast CL0008036
    CSI 6.24
    rCSI 7.71%
    PRS 76.17
  • club cell CL0000158
    CSI 6.19
    rCSI 9.07%
    PRS 72.83
  • basal cell CL0000646
    CSI 5.98
    rCSI 7.99%
    PRS 77.22
  • CD4-positive, CD25-positive, alpha-beta regulatory T cell CL0000792
    CSI 5.54
    rCSI 5.44%
    PRS 91
  • CD1c-positive myeloid dendritic cell CL0002399
    CSI 5.3
    rCSI 6.41%
    PRS 85.97
  • mesenchymal stem cell CL0000134
    CSI 5.25
    rCSI 57.53%
    PRS 83.92
  • Schwann cell CL0002573
    CSI 5.1
    rCSI 14.51%
    PRS 74.55
  • activated CD4-positive, alpha-beta T cell CL0000896
    CSI 4.86
    rCSI 4.5%
    PRS 92.34
  • erythroid lineage cell CL0000764
    CSI 4.85
    rCSI 31.23%
    PRS 87.95
  • multi-ciliated epithelial cell CL0005012
    CSI 4.57
    rCSI 4.56%
    PRS 72.09
  • myeloid leukocyte CL0000766
    CSI 4.53
    rCSI 4.18%
    PRS 79.71
  • enteric smooth muscle cell CL0002504
    CSI 4.48
    rCSI 6.4%
    PRS 79.2
  • respiratory hillock cell CL4030023
    CSI 4.26
    rCSI 7.59%
    PRS 87
  • neuroblast (sensu Vertebrata) CL0000031
    CSI 4.25
    rCSI 5.46%
    PRS 74.44
  • erythroid progenitor cell CL0000038
    CSI 4.02
    rCSI 23.07%
    PRS 83.96
  • glioblast CL0000030
    CSI 3.9
    rCSI 6.22%
    PRS 70.02
  • natural T-regulatory cell CL0000903
    CSI 3.48
    rCSI 6.58%
    PRS 95.9
  • granulocyte CL0000094
    CSI 3.42
    rCSI 5.23%
    PRS 85.67
  • mesenchymal cell CL0008019
    CSI 3.37
    rCSI 8.55%
    PRS 71.61
  • M cell of gut CL0000682
    CSI 3.33
    rCSI 3.54%
    PRS 83.55
  • common dendritic progenitor CL0001029
    CSI 3.14
    rCSI 3.94%
    PRS 87.03
  • interneuron CL0000099
    CSI 3.11
    rCSI 6.24%
    PRS 68.31
  • mammary gland epithelial cell CL0002327
    CSI 2.98
    rCSI 10.47%
    PRS 86.55
  • T follicular helper cell CL0002038
    CSI 2.97
    rCSI 2.22%
    PRS 90.41
  • neural progenitor cell CL0011020
    CSI 2.91
    rCSI 12.79%
    PRS 66.92
  • IgM plasma cell CL0000986
    CSI 2.88
    rCSI 12.98%
    PRS 94.09
  • intestinal epithelial cell CL0002563
    CSI 2.87
    rCSI 3%
    PRS 75.89
  • IgA plasma cell CL0000987
    CSI 2.85
    rCSI 2.91%
    PRS 86.46
  • activated CD8-positive, alpha-beta T cell, human CL0001049
    CSI 2.8
    rCSI 4.78%
    PRS 90.83
  • colon goblet cell CL0009039
    CSI 2.66
    rCSI 6.33%
    PRS 84
  • Langerhans cell CL0000453
    CSI 2.64
    rCSI 4.04%
    PRS 89.26
  • mature B cell CL0000785
    CSI 2.64
    rCSI 2.3%
    PRS 87.66
  • brush cell of tracheobronchial tree CL0002075
    CSI 2.64
    rCSI 7.84%
    PRS 87.13
  • primordial germ cell CL0000670
    CSI 2.62
    rCSI 13.09%
    PRS 92.16
  • helper T cell CL0000912
    CSI 2.62
    rCSI 3.7%
    PRS 77.94
  • ciliated epithelial cell CL0000067
    CSI 2.61
    rCSI 2.29%
    PRS 67.3
  • double-positive, alpha-beta thymocyte CL0000809
    CSI 2.46
    rCSI 2.51%
    PRS 88.08
  • pre-conventional dendritic cell CL0002010
    CSI 2.44
    rCSI 32.22%
    PRS 94.12
  • mucous neck cell CL0000651
    CSI 2.34
    rCSI 3.38%
    PRS 85.32
  • T-helper 17 cell CL0000899
    CSI 2.29
    rCSI 1.82%
    PRS 94.02
  • basal cell of prostate epithelium CL0002341
    CSI 2.27
    rCSI 6.56%
    PRS 85.13
  • conjunctival epithelial cell CL1000432
    CSI 2.23
    rCSI 3.4%
    PRS 78.65
  • mature alpha-beta T cell CL0000791
    CSI 2.2
    rCSI 7.96%
    PRS 92.81
  • neural cell CL0002319
    CSI 2.01
    rCSI 7.57%
    PRS 61.18
  • respiratory basal cell CL0002633
    CSI 2
    rCSI 2.07%
    PRS 82.53
  • forebrain radial glial cell CL0013000
    CSI 1.91
    rCSI 6.14%
    PRS 80.45
  • memory T cell CL0000813
    CSI 1.89
    rCSI 3.64%
    PRS 94.63
  • common lymphoid progenitor CL0000051
    CSI 1.89
    rCSI 2.52%
    PRS 92.42
  • pluripotent stem cell CL0002248
    CSI 1.72
    rCSI 51.66%
    PRS 89.34
  • eosinophil CL0000771
    CSI 1.59
    rCSI 10.43%
    PRS 93.67
  • cytotoxic T cell CL0000910
    CSI 0.4
    rCSI 2.0%
    PRS 82.5%
  • epithelial cell of esophagus CL0002252
    CSI 0.4
    rCSI 4.4%
    PRS 84.6%
  • basal cell of epithelium of trachea CL1000348
    CSI 0.5
    rCSI 3.8%
    PRS 84.2%
  • pulmonary alveolar type 1 cell CL0002062
    CSI 0.6
    rCSI 3.5%
    PRS 75.3%
  • CD8-alpha-alpha-positive, alpha-beta intraepithelial T cell CL0000915
    CSI 0.6
    rCSI 2.8%
    PRS 94.1%
  • myelocyte CL0002193
    CSI 0.7
    rCSI 4.3%
    PRS 92.4%
  • myeloid lineage restricted progenitor cell CL0000839
    CSI 0.7
    rCSI 3.7%
    PRS 92.7%
  • exhausted T cell CL0011025
    CSI 0.7
    rCSI 12.3%
    PRS 89.1%
  • prostate gland microvascular endothelial cell CL2000059
    CSI 0.8
    rCSI 20.1%
    PRS 87.0%
  • epithelial cell of nephron CL1000449
    CSI 1.0
    rCSI 9.5%
    PRS 94.6%
  • chondrocyte CL0000138
    CSI 1.0
    rCSI 1.6%
    PRS 71.2%
  • late pro-B cell CL0002048
    CSI 1.0
    rCSI 2.6%
    PRS 92.1%
  • effector memory CD8-positive, alpha-beta T cell, terminally differentiated CL0001062
    CSI 1.1
    rCSI 5.6%
    PRS 89.5%
  • antibody secreting cell CL0000946
    CSI 1.1
    rCSI 5.0%
    PRS 95.9%
  • thymocyte CL0000893
    CSI 1.3
    rCSI 4.7%
    PRS 95.6%
  • intestinal crypt stem cell of small intestine CL0009017
    CSI 1.4
    rCSI 3.7%
    PRS 83.5%
  • intraepithelial lymphocyte CL0002496
    CSI 1.4
    rCSI 3.9%
    PRS 94.5%
  • CD8-positive, CD28-negative, alpha-beta regulatory T cell CL0000920
    CSI 1.5
    rCSI 2.9%
    PRS 90.0%
  • megakaryocyte CL0000556
    CSI 1.5
    rCSI 6.7%
    PRS 84.3%
  • suprabasal keratinocyte CL4033013
    CSI 1.6
    rCSI 2.5%
    PRS 45.3%
  • eosinophil CL0000771
    CSI 1.6
    rCSI 10.4%
    PRS 93.7%
  • pluripotent stem cell CL0002248
    CSI 1.7
    rCSI 51.7%
    PRS 89.3%
  • common lymphoid progenitor CL0000051
    CSI 1.9
    rCSI 2.5%
    PRS 92.4%
  • memory T cell CL0000813
    CSI 1.9
    rCSI 3.6%
    PRS 94.6%
  • forebrain radial glial cell CL0013000
    CSI 1.9
    rCSI 6.1%
    PRS 80.5%
  • respiratory basal cell CL0002633
    CSI 2.0
    rCSI 2.1%
    PRS 82.5%
  • neural cell CL0002319
    CSI 2.0
    rCSI 7.6%
    PRS 61.2%
  • mature alpha-beta T cell CL0000791
    CSI 2.2
    rCSI 8.0%
    PRS 92.8%
  • conjunctival epithelial cell CL1000432
    CSI 2.2
    rCSI 3.4%
    PRS 78.7%
  • basal cell of prostate epithelium CL0002341
    CSI 2.3
    rCSI 6.6%
    PRS 85.1%
  • T-helper 17 cell CL0000899
    CSI 2.3
    rCSI 1.8%
    PRS 94.0%
  • mucous neck cell CL0000651
    CSI 2.3
    rCSI 3.4%
    PRS 85.3%
  • pre-conventional dendritic cell CL0002010
    CSI 2.4
    rCSI 32.2%
    PRS 94.1%
  • double-positive, alpha-beta thymocyte CL0000809
    CSI 2.5
    rCSI 2.5%
    PRS 88.1%
  • ciliated epithelial cell CL0000067
    CSI 2.6
    rCSI 2.3%
    PRS 67.3%
  • helper T cell CL0000912
    CSI 2.6
    rCSI 3.7%
    PRS 77.9%
  • primordial germ cell CL0000670
    CSI 2.6
    rCSI 13.1%
    PRS 92.2%
  • brush cell of tracheobronchial tree CL0002075
    CSI 2.6
    rCSI 7.8%
    PRS 87.1%
  • mature B cell CL0000785
    CSI 2.6
    rCSI 2.3%
    PRS 87.7%
  • Langerhans cell CL0000453
    CSI 2.6
    rCSI 4.0%
    PRS 89.3%
  • colon goblet cell CL0009039
    CSI 2.7
    rCSI 6.3%
    PRS 84.0%
  • activated CD8-positive, alpha-beta T cell, human CL0001049
    CSI 2.8
    rCSI 4.8%
    PRS 90.8%
  • IgA plasma cell CL0000987
    CSI 2.9
    rCSI 2.9%
    PRS 86.5%
  • intestinal epithelial cell CL0002563
    CSI 2.9
    rCSI 3.0%
    PRS 75.9%
  • IgM plasma cell CL0000986
    CSI 2.9
    rCSI 13.0%
    PRS 94.1%
  • neural progenitor cell CL0011020
    CSI 2.9
    rCSI 12.8%
    PRS 66.9%
  • T follicular helper cell CL0002038
    CSI 3.0
    rCSI 2.2%
    PRS 90.4%
  • mammary gland epithelial cell CL0002327
    CSI 3.0
    rCSI 10.5%
    PRS 86.6%
  • interneuron CL0000099
    CSI 3.1
    rCSI 6.2%
    PRS 68.3%
  • common dendritic progenitor CL0001029
    CSI 3.1
    rCSI 3.9%
    PRS 87.0%
  • M cell of gut CL0000682
    CSI 3.3
    rCSI 3.5%
    PRS 83.6%
  • mesenchymal cell CL0008019
    CSI 3.4
    rCSI 8.6%
    PRS 71.6%
  • granulocyte CL0000094
    CSI 3.4
    rCSI 5.2%
    PRS 85.7%
  • natural T-regulatory cell CL0000903
    CSI 3.5
    rCSI 6.6%
    PRS 95.9%
  • glioblast CL0000030
    CSI 3.9
    rCSI 6.2%
    PRS 70.0%
  • erythroid progenitor cell CL0000038
    CSI 4.0
    rCSI 23.1%
    PRS 84.0%
  • neuroblast (sensu Vertebrata) CL0000031
    CSI 4.3
    rCSI 5.5%
    PRS 74.4%
  • respiratory hillock cell CL4030023
    CSI 4.3
    rCSI 7.6%
    PRS 87.0%
  • enteric smooth muscle cell CL0002504
    CSI 4.5
    rCSI 6.4%
    PRS 79.2%
  • myeloid leukocyte CL0000766
    CSI 4.5
    rCSI 4.2%
    PRS 79.7%
  • multi-ciliated epithelial cell CL0005012
    CSI 4.6
    rCSI 4.6%
    PRS 72.1%
  • erythroid lineage cell CL0000764
    CSI 4.9
    rCSI 31.2%
    PRS 88.0%
  • activated CD4-positive, alpha-beta T cell CL0000896
    CSI 4.9
    rCSI 4.5%
    PRS 92.3%
  • Schwann cell CL0002573
    CSI 5.1
    rCSI 14.5%
    PRS 74.6%
  • mesenchymal stem cell CL0000134
    CSI 5.3
    rCSI 57.5%
    PRS 83.9%
  • CD1c-positive myeloid dendritic cell CL0002399
    CSI 5.3
    rCSI 6.4%
    PRS 86.0%
  • CD4-positive, CD25-positive, alpha-beta regulatory T cell CL0000792
    CSI 5.5
    rCSI 5.4%
    PRS 91.0%
  • basal cell CL0000646
    CSI 6.0
    rCSI 8.0%
    PRS 77.2%
  • club cell CL0000158
    CSI 6.2
    rCSI 9.1%
    PRS 72.8%
  • extravillous trophoblast CL0008036
    CSI 6.2
    rCSI 7.7%
    PRS 76.2%
  • foveolar cell of stomach CL0002179
    CSI 6.3
    rCSI 13.4%
    PRS 84.8%
  • common myeloid progenitor CL0000049
    CSI 6.5
    rCSI 5.3%
    PRS 80.6%
  • deuterosomal cell CL4033044
    CSI 6.5
    rCSI 22.1%
    PRS 76.7%
  • mature T cell CL0002419
    CSI 6.6
    rCSI 5.1%
    PRS 91.8%
  • epithelial cell of lung CL0000082
    CSI 6.7
    rCSI 5.5%
    PRS 78.8%
  • placental villous trophoblast CL2000060
    CSI 6.7
    rCSI 10.3%
    PRS 77.3%
  • myofibroblast cell CL0000186
    CSI 6.7
    rCSI 9.3%
    PRS 75.7%
  • interstitial cell of Cajal CL0002088
    CSI 6.8
    rCSI 8.6%
    PRS 83.2%
  • transit amplifying cell of small intestine CL0009012
    CSI 6.9
    rCSI 30.3%
    PRS 86.9%
  • erythroblast CL0000765
    CSI 7.0
    rCSI 18.6%
    PRS 84.5%
  • respiratory suprabasal cell CL4033048
    CSI 7.1
    rCSI 9.1%
    PRS 81.7%
  • keratinocyte CL0000312
    CSI 7.3
    rCSI 6.1%
    PRS 81.4%
  • effector CD4-positive, alpha-beta T cell CL0001044
    CSI 7.4
    rCSI 21.1%
    PRS 93.8%
  • transit amplifying cell CL0009010
    CSI 7.4
    rCSI 11.3%
    PRS 87.0%
  • IgG plasma cell CL0000985
    CSI 7.4
    rCSI 8.8%
    PRS 88.6%
  • effector CD8-positive, alpha-beta T cell CL0001050
    CSI 7.6
    rCSI 5.8%
    PRS 90.2%
  • germinal center B cell CL0000844
    CSI 7.6
    rCSI 22.7%
    PRS 88.4%
  • alveolar macrophage CL0000583
    CSI 7.8
    rCSI 12.8%
    PRS 82.4%
  • promyelocyte CL0000836
    CSI 7.9
    rCSI 11.4%
    PRS 84.4%
  • goblet cell CL0000160
    CSI 8.0
    rCSI 7.5%
    PRS 77.0%
  • CD4-positive, alpha-beta memory T cell CL0000897
    CSI 8.1
    rCSI 5.8%
    PRS 90.5%
  • intestine goblet cell CL0019031
    CSI 8.5
    rCSI 7.5%
    PRS 76.0%
  • melanocyte of skin CL1000458
    CSI 8.5
    rCSI 11.6%
    PRS 45.4%
  • effector memory CD8-positive, alpha-beta T cell CL0000913
    CSI 8.7
    rCSI 7.9%
    PRS 90.1%
  • erythrocyte CL0000232
    CSI 9.1
    rCSI 20.5%
    PRS 79.1%
  • megakaryocyte-erythroid progenitor cell CL0000050
    CSI 9.2
    rCSI 8.3%
    PRS 76.5%
  • primitive red blood cell CL0002355
    CSI 9.5
    rCSI 51.0%
    PRS 85.0%
  • mononuclear phagocyte CL0000113
    CSI 9.5
    rCSI 21.0%
    PRS 82.0%
  • precursor B cell CL0000817
    CSI 10.5
    rCSI 9.2%
    PRS 85.7%
  • fraction A pre-pro B cell CL0002045
    CSI 11.3
    rCSI 12.9%
    PRS 89.1%

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)

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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 [PTTG1](/details-gene/9232) (Pituitary Tumor-Transforming 1) encodes the protein securin, a critical regulator of sister chromatid separation during the anaphase stage of mitosis. Its primary function is to inhibit the protease separase, thereby preventing the premature cleavage of cohesin complexes that hold sister chromatids together. The timely degradation of securin by the Anaphase-Promoting Complex/Cyclosome (APC/C) is essential for proper chromosome segregation and the maintenance of genomic stability [Link](https://doi.org/10.1126/science.285.5426.418). Consistent with its central role in cell division, [PTTG1](/details-gene/9232) shows high significance in highly proliferative cell populations, including progenitor cells of the gut, nervous system, and hematopoietic lineage. Its overexpression has been linked to aneuploidy and tumorigenesis, establishing it as a proto-oncogene [Link](https://doi.org/10.1038/sj.onc.1202140), [Link](https://doi.org/10.1016/s0092-8674(01)00340-3). ## Cellular Roles and Expression Landscape The expression profile of [PTTG1](/details-gene/9232) underscores its fundamental role in cell proliferation across diverse tissues. **Overall**, the gene exhibits its highest significance in rapidly dividing progenitor and precursor cell populations. The most significant expression is observed in the [transit amplifying cell of colon](/details-cell/CL0009011) (CSI: 37.33), which are known for their high rate of turnover in the intestinal crypt. This pattern extends to other developmental and regenerative contexts, with high significance scores in [neuroblast (sensu Nematoda and Protostomia)](/details-cell/CL0000338) (CSI: 30.52), [radial glial cell](/details-cell/CL0000681) (CSI: 24.10), and various hematopoietic precursors such as the [promonocyte](/details-cell/CL0000559) (CSI: 24.82), [large pre-B-II cell](/details-cell/CL0000957) (CSI: 19.65), and [plasmablast](/details-cell/CL0000980) (CSI: 18.73). Its importance is also noted in [stem cell](/details-cell/CL0000034) populations (CSI: 12.60) and activated immune cells like the [CD8-positive, alpha-beta cytotoxic T cell](/details-cell/CL0000794) (CSI: 13.58). This broad expression in proliferative progenitors from endodermal ([colon epithelial cell](/details-cell/CL0011108)), ectodermal ([neural crest cell](/details-cell/CL0011012)), and mesodermal ([mesodermal cell](/details-cell/CL0000222)) origins establishes [PTTG1](/details-gene/9232) as a universal marker of cellular division rather than a lineage-specific factor. ## Pathways and Molecular Function Functionally, [PTTG1](/details-gene/9232) is deeply integrated into the core machinery of the cell cycle. As securin, its primary molecular function is [cysteine-type endopeptidase inhibitor activity](/details-component/GO0004869), through which it binds and inactivates separase. This activity is central to the Reactome pathway '[Separation of sister chromatids](/details-pathway/R-HSA-2467813)'. The progression into anaphase is gated by the ubiquitin-mediated degradation of [PTTG1](/details-gene/9232) by the APC/C, a process detailed in pathways such as '[Apc/c:cdc20 mediated degradation of securin](/details-pathway/R-HSA-174154)' and the broader '[Cell cycle, mitotic](/details-pathway/R-HSA-69278)'. This regulatory node ensures that sister chromatids are not separated until all chromosomes are correctly attached to the mitotic spindle. Beyond its canonical role in mitosis, [PTTG1](/details-gene/9232) is involved in other cellular processes, including [Dna repair](/details-component/GO0006281), where it has been shown to associate with the Ku heterodimer [Link](https://doi.org/10.1093/nar/29.6.1300), and transcriptional regulation, where it can interact with p53 and modulate its activity [Link](https://doi.org/10.1038/ng997). The protein is localized to both the [cytoplasm](/details-component/GO0005737) and the [nucleus](/details-component/GO0005634), consistent with its functions in both cytosolic signaling and nuclear events of the cell cycle. ## Research Directions The established role of [PTTG1](/details-gene/9232) as a proto-oncogene, coupled with its expression profile, provides a strong basis for investigating its contribution to human malignancies. Its overexpression in pituitary adenomas and hematopoietic neoplasms is well-documented [Link](https://doi.org/10.1210/jcem.84.2.5432), [Link](https://doi.org/10.1038/sj.onc.1202140), suggesting that its misregulation is a common event in tumorigenesis. **Proposed Hypotheses:** 1. Given its peak significance in [transit amplifying cell of colon](/details-cell/CL0009011), dysregulation of [PTTG1](/details-gene/9232) expression is likely a critical early event in colorectal cancer, promoting aneuploidy and accelerating the transition from benign adenoma to invasive carcinoma. 2. The high significance of [PTTG1](/details-gene/9232) in hematopoietic precursors like [promonocyte](/details-cell/CL0000559) and [pro-B cell](/details-cell/CL0000826) suggests that its overexpression may be sufficient to drive genomic instability in these lineages, predisposing them to leukemic transformation. **Experimental Approach:** To test the second hypothesis, a murine bone marrow transplant model could be employed. Hematopoietic stem and progenitor cells (HSPCs) could be transduced with a lentiviral vector to inducibly overexpress [PTTG1](/details-gene/9232). These engineered cells would then be transplanted into lethally irradiated recipient mice. The peripheral blood of these mice would be monitored over time for signs of myelodysplasia or leukemia. At endpoint, hematopoietic tissues would be analyzed by flow cytometry to assess lineage skewing, and single-cell RNA sequencing combined with spectral karyotyping (SKY) could be used to directly measure the impact of [PTTG1](/details-gene/9232) overexpression on the transcriptome and on the rate of aneuploidy in specific hematopoietic cell subsets. **Therapeutic Potential:** As an intracellular proto-oncogene whose overexpression drives cell division and genomic instability, [PTTG1](/details-gene/9232) is an attractive target for cancer therapy. The therapeutic strategy would be **inhibition**. Since [PTTG1](/details-gene/9232) functions primarily through protein-protein interactions rather than enzymatic activity, developing small molecules that either promote its degradation or disrupt its binding to separase could be a viable approach. Such an agent would be expected to induce mitotic arrest and apoptosis specifically in rapidly dividing cancer cells that are highly dependent on [PTTG1](/details-gene/9232) function, making it a promising candidate for targeted cancer therapy.

Genular Protein ID: 3035931495

Symbol: PTTG1_HUMAN

Name: Securin

UniProtKB Accession Codes:

Database IDs:

Citations:

PubMed ID: 9811450

Title: hPTTG, a human homologue of rat PTTG, is overexpressed in hematopoietic neoplasms. Evidence for a transcriptional activation function of hPTTG.

PubMed ID: 9811450

DOI: 10.1038/sj.onc.1202140

PubMed ID: 10393434

Title: Molecular cloning and characterization of the tumor transforming gene (TUTR1): a novel gene in human tumorigenesis.

PubMed ID: 10393434

DOI: 10.1159/000015261

PubMed ID: 10580151

Title: Molecular cloning, genomic organization, and identification of the promoter for the human pituitary tumor transforming gene (PTTG).

PubMed ID: 10580151

DOI: 10.1016/s0378-1119(99)00446-1

PubMed ID: 9892021

Title: Structure, expression, and function of human pituitary tumor-transforming gene (PTTG).

PubMed ID: 9892021

DOI: 10.1210/mend.13.1.0225

PubMed ID: 10022450

Title: Pituitary tumor transforming gene (PTTG) expression in pituitary adenomas.

PubMed ID: 10022450

DOI: 10.1210/jcem.84.2.5432

PubMed ID: 10411507

Title: Identification of a vertebrate sister-chromatid separation inhibitor involved in transformation and tumorigenesis.

PubMed ID: 10411507

DOI: 10.1126/science.285.5426.418

PubMed ID: 10781616

Title: A novel binding factor facilitates nuclear translocation and transcriptional activation function of the pituitary tumor-transforming gene product.

PubMed ID: 10781616

DOI: 10.1074/jbc.m910105199

PubMed ID: 11238996

Title: Human securin, hPTTG, is associated with Ku heterodimer, the regulatory subunit of the DNA-dependent protein kinase.

PubMed ID: 11238996

DOI: 10.1093/nar/29.6.1300

PubMed ID: 11371342

Title: Securin is required for chromosomal stability in human cells.

PubMed ID: 11371342

DOI: 10.1016/s0092-8674(01)00340-3

PubMed ID: 11158059

Title: Human pituitary tumor-transforming gene induces angiogenesis.

PubMed ID: 11158059

DOI: 10.1210/jcem.86.2.7184

PubMed ID: 12355087

Title: Human securin interacts with p53 and modulates p53-mediated transcriptional activity and apoptosis.

PubMed ID: 12355087

DOI: 10.1038/ng997

PubMed ID: 10656688

Title: Cell cycle regulated expression and phosphorylation of hpttg proto-oncogene product.

PubMed ID: 10656688

DOI: 10.1038/sj.onc.1203320

PubMed ID: 18485873

Title: Mechanism of ubiquitin-chain formation by the human anaphase-promoting complex.

PubMed ID: 18485873

DOI: 10.1016/j.cell.2008.04.012

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

Sequence Information:

  • Length: 202
  • Mass: 22024
  • Checksum: 5F4740619AB8856F
  • Sequence:
  • MATLIYVDKE NGEPGTRVVA KDGLKLGSGP SIKALDGRSQ VSTPRFGKTF DAPPALPKAT 
    RKALGTVNRA TEKSVKTKGP LKQKQPSFSA KKMTEKTVKA KSSVPASDDA YPEIEKFFPF 
    NPLDFESFDL PEEHQIAHLP LSGVPLMILD EERELEKLFQ LGPPSPVKMP SPPWESNLLQ 
    SPSSILSTLD VELPPVCCDI DI