Gene Symbol: Npm1
Description: nucleophosmin 1
Alias: B23, NO38, Npm, nucleophosmin, nucleolar phosphoprotein B23, nucleolar protein NO38, numatrin
Species: mouse
Products:     Npm1

Top Publications

  1. Biggiogera M, Burki K, Kaufmann S, Shaper J, Gas N, Amalric F, et al. Nucleolar distribution of proteins B23 and nucleolin in mouse preimplantation embryos as visualized by immunoelectron microscopy. Development. 1990;110:1263-70 pubmed
    The ultrastructural distribution of proteins B23 and nucleolin in the nucleolus of mouse embryos from the zygote to the early blastocyst has been analyzed by means of specific antibodies and immunocytochemistry using colloidal gold ..
  2. Kurki S, Peltonen K, Latonen L, Kiviharju T, Ojala P, Meek D, et al. Nucleolar protein NPM interacts with HDM2 and protects tumor suppressor protein p53 from HDM2-mediated degradation. Cancer Cell. 2004;5:465-75 pubmed
    b>Nucleophosmin (NPM, B23) is an abundant nucleolar phosphoprotein involved in ribosome biogenesis, and interacts with tumor suppressor proteins p53 and Rb...
  3. Meder V, Boeglin M, de Murcia G, Schreiber V. PARP-1 and PARP-2 interact with nucleophosmin/B23 and accumulate in transcriptionally active nucleoli. J Cell Sci. 2005;118:211-22 pubmed
    ..PARP-2 is enriched within the whole nucleolus and partially colocalizes with the nucleolar factor nucleophosmin/B23...
  4. Colombo E, Bonetti P, Lazzerini Denchi E, Martinelli P, Zamponi R, Marine J, et al. Nucleophosmin is required for DNA integrity and p19Arf protein stability. Mol Cell Biol. 2005;25:8874-86 pubmed
    b>Nucleophosmin (NPM) is a nucleolar phosphoprotein that binds the tumor suppressors p53 and p19(Arf) and is thought to be indispensable for ribogenesis, cell proliferation, and survival after DNA damage...
  5. Sportoletti P, Grisendi S, Majid S, Cheng K, Clohessy J, Viale A, et al. Npm1 is a haploinsufficient suppressor of myeloid and lymphoid malignancies in the mouse. Blood. 2008;111:3859-62 pubmed publisher
    b>Nucleophosmin (NPM1) gene has been heavily implicated in cancer pathogenesis both as a putative proto-oncogene and tumor suppressor gene...
  6. Romanova L, Anger M, Zatsepina O, Schultz R. Implication of nucleolar protein SURF6 in ribosome biogenesis and preimplantation mouse development. Biol Reprod. 2006;75:690-6 pubmed
    ..analyses revealed that the localization of SURF6 was similar but not identical to those of fibrillarin and B23/nucleophosmin 1, which are involved in rRNA processing and ribosome biogenesis in mammalian somatic cells...
  7. Burns K, Viveiros M, Ren Y, Wang P, DeMayo F, Frail D, et al. Roles of NPM2 in chromatin and nucleolar organization in oocytes and embryos. Science. 2003;300:633-6 pubmed
    ..Thus, Npm2 is a maternal effect gene critical for nuclear and nucleolar organization and embryonic development. ..
  8. Lange K, Uckert W, Blankenstein T, Nadrowitz R, Bittner C, Renauld J, et al. Overexpression of NPM-ALK induces different types of malignant lymphomas in IL-9 transgenic mice. Oncogene. 2003;22:517-27 pubmed
    ..The result of this translocation is the fusion of the nucleophosmin (NPM) gene to the anaplastic lymphoma kinase (ALK) gene...
  9. Li Z, Boone D, Hann S. Nucleophosmin interacts directly with c-Myc and controls c-Myc-induced hyperproliferation and transformation. Proc Natl Acad Sci U S A. 2008;105:18794-9 pubmed publisher
    ..Like c-Myc, multifunctional nucleophosmin (NPM) is tightly regulated during proliferation and is overexpressed in several different types of cancer...

More Information


  1. Inouye C, Seto E. Relief of YY1-induced transcriptional repression by protein-protein interaction with the nucleolar phosphoprotein B23. J Biol Chem. 1994;269:6506-10 pubmed
    ..frame with the potential to code for a protein nearly identical to the previously published mouse nucleolar phosphoprotein B23. The YY1.B23 complex is specific, and occurs in vivo and in vitro...
  2. Zhang J, Tomasini A, Mayer A. RBM19 is essential for preimplantation development in the mouse. BMC Dev Biol. 2008;8:115 pubmed publisher
    ..The data indicate that RBM19 is essential for preimplantation development, highlighting the importance of de novo nucleologenesis during this critical developmental stage. ..
  3. Yuan X, Zhou Y, Casanova E, Chai M, Kiss E, Grone H, et al. Genetic inactivation of the transcription factor TIF-IA leads to nucleolar disruption, cell cycle arrest, and p53-mediated apoptosis. Mol Cell. 2005;19:77-87 pubmed
    ..The striking correlation between perturbation of nucleolar function, elevated levels of p53, and induction of cell suicide supports the view that the nucleolus is a stress sensor that regulates p53 activity. ..
  4. Apicelli A, Maggi L, Hirbe A, Miceli A, Olanich M, Schulte Winkeler C, et al. A non-tumor suppressor role for basal p19ARF in maintaining nucleolar structure and function. Mol Cell Biol. 2008;28:1068-80 pubmed
    The nucleolus is the center of ribosome synthesis, with the nucleophosmin (NPM) and p19(ARF) proteins antagonizing one another to either promote or inhibit growth...
  5. Yu Y, Maggi L, Brady S, Apicelli A, Dai M, Lu H, et al. Nucleophosmin is essential for ribosomal protein L5 nuclear export. Mol Cell Biol. 2006;26:3798-809 pubmed
    b>Nucleophosmin (NPM/B23) is a key regulator in the regulation of a number of processes including centrosome duplication, maintenance of genomic integrity, and ribosome biogenesis...
  6. Brady S, Yu Y, Maggi L, Weber J. ARF impedes NPM/B23 shuttling in an Mdm2-sensitive tumor suppressor pathway. Mol Cell Biol. 2004;24:9327-38 pubmed
    ..In search of p53-independent ARF targets, we isolated nucleophosmin (NPM/B23), a protein we show is required for proliferation, as a novel ARF binding protein...
  7. Huang N, Negi S, Szebeni A, Olson M. Protein NPM3 interacts with the multifunctional nucleolar protein B23/nucleophosmin and inhibits ribosome biogenesis. J Biol Chem. 2005;280:5496-502 pubmed
    Protein B23/nucleophosmin is a multifunctional protein that plays roles in ribosome biogenesis, control of centrosome duplication, and regulation of p53 expression...
  8. Wang B, Lu R, Wang W, Jin Y. Inducible and reversible suppression of Npm1 gene expression using stably integrated small interfering RNA vector in mouse embryonic stem cells. Biochem Biophys Res Commun. 2006;347:1129-37 pubmed
    ..of the Tc-inducible, stably integrated plasmid-based siRNA system in mouse ES cells to down-regulate expression of Npm1, an essential gene for embryonic development. The physiological role of Npm1 in ES cells has not been defined...
  9. Lorenzen J, Bonacci B, Palmer R, Wells C, Zhang J, Haber D, et al. Rbm19 is a nucleolar protein expressed in crypt/progenitor cells of the intestinal epithelium. Gene Expr Patterns. 2005;6:45-56 pubmed
    ..Interestingly, the loss of nucleolar rbm19, nucleolin/C23, and nucleophosmin/B23 in confluent Caco-2 cells did not signify loss of nucleoli as detected by electron microscopy...
  10. Barkic M, Crnomarković S, Grabusic K, Bogetić I, Panic L, Tamarut S, et al. The p53 tumor suppressor causes congenital malformations in Rpl24-deficient mice and promotes their survival. Mol Cell Biol. 2009;29:2489-504 pubmed publisher
    ..Our results imply that activation of a p53-dependent checkpoint mechanism in response to various ribosomal protein deficiencies might also play a role in the pathogenesis of congenital malformations in humans. ..
  11. Wu X, Sandhu S, Patel N, Triggs Raine B, Ding H. EMG1 is essential for mouse pre-implantation embryo development. BMC Dev Biol. 2010;10:99 pubmed publisher
    ..Further, our findings also lend support to the previous study that showed Bowen-Conradi syndrome results from a partial EMG1 deficiency. A complete deficiency would not be expected to be compatible with a live birth. ..
  12. Wu M, Yung B. UV stimulation of nucleophosmin/B23 expression is an immediate-early gene response induced by damaged DNA. J Biol Chem. 2002;277:48234-40 pubmed
    b>Nucleophosmin/B23 (NPM/B23), a nucleolar protein, was rapidly up-regulated after UV irradiation (at 254 nm; 30 J/m(2)) in NIH 3T3 cells and HeLa/S3 cells...
  13. Vassiliou G, Cooper J, Rad R, Li J, Rice S, Uren A, et al. Mutant nucleophosmin and cooperating pathways drive leukemia initiation and progression in mice. Nat Genet. 2011;43:470-5 pubmed publisher
    ..with a poor prognosis whose largest subgroup is characterized by somatic mutations in NPM1, which encodes nucleophosmin. These mutations, termed NPM1c, result in cytoplasmic dislocation of nucleophosmin and are associated with ..
  14. Grisendi S, Bernardi R, Rossi M, Cheng K, Khandker L, Manova K, et al. Role of nucleophosmin in embryonic development and tumorigenesis. Nature. 2005;437:147-53 pubmed
    b>Nucleophosmin (also known as NPM, B23, NO38) is a nucleolar protein directly implicated in cancer pathogenesis, as the NPM1 gene is found mutated and rearranged in a number of haematological disorders...
  15. Chen H, Li Z, Haruna K, Li Z, Li Z, Semba K, et al. Early pre-implantation lethality in mice carrying truncated mutation in the RNA polymerase 1-2 gene. Biochem Biophys Res Commun. 2008;365:636-42 pubmed
    ..These results indicate that the loss of rDNA transcription induced nucleolar structure disorganization and apoptosis in preimplantation embryos. ..
  16. Wanzel M, Russ A, Kleine Kohlbrecher D, Colombo E, Pelicci P, Eilers M. A ribosomal protein L23-nucleophosmin circuit coordinates Mizl function with cell growth. Nat Cell Biol. 2008;10:1051-61 pubmed
    ..L23 exerts this function by retaining nucleophosmin, an essential co-activator of Miz1 required for Miz1-induced cell-cycle arrest, in the nucleolus...
  17. Nawa Y, Kawahara K, Tancharoen S, Meng X, Sameshima H, Ito T, et al. Nucleophosmin may act as an alarmin: implications for severe sepsis. J Leukoc Biol. 2009;86:645-53 pubmed publisher
    b>NPM is a major nucleolar multifunctional protein involved in ribosome biogenesis, centrosome duplication, cell-cycle progression, apoptosis, cell differentiation, and sensing cellular stress...
  18. Shinagawa T, Takagi T, Tsukamoto D, Tomaru C, Huynh L, Sivaraman P, et al. Histone variants enriched in oocytes enhance reprogramming to induced pluripotent stem cells. Cell Stem Cell. 2014;14:217-27 pubmed publisher
    ..Thus, TH2A/TH2B may enhance reprogramming by introducing processes that normally operate in zygotes and during SCNT...
  19. Mitrea D, Grace C, Buljan M, Yun M, Pytel N, Satumba J, et al. Structural polymorphism in the N-terminal oligomerization domain of NPM1. Proc Natl Acad Sci U S A. 2014;111:4466-71 pubmed publisher
    b>Nucleophosmin (NPM1) is a multifunctional phospho-protein with critical roles in ribosome biogenesis, tumor suppression, and nucleolar stress response...
  20. Ogawara Y, Katsumoto T, Aikawa Y, Shima Y, Kagiyama Y, Soga T, et al. IDH2 and NPM1 Mutations Cooperate to Activate Hoxa9/Meis1 and Hypoxia Pathways in Acute Myeloid Leukemia. Cancer Res. 2015;75:2005-16 pubmed publisher
    ..targets for cancer therapy, we created a mouse model of AML in which mice were transplanted with nucleophosmin1 (NPM)(+/-) hematopoietic stem/progenitor cells cotransduced with four mutant genes (NPMc, IDH2/R140Q, DNMT3A/R882H, and ..
  21. Tsai R, McKay R. A nucleolar mechanism controlling cell proliferation in stem cells and cancer cells. Genes Dev. 2002;16:2991-3003 pubmed
    ..This work describes a novel nucleolar mechanism that controls the cell-cycle progression in CNS stem cells and cancer cells. ..
  22. Meng L, Yasumoto H, Tsai R. Multiple controls regulate nucleostemin partitioning between nucleolus and nucleoplasm. J Cell Sci. 2006;119:5124-36 pubmed
    ..RSL1D1 co-resides with nucleostemin in the same subnucleolar compartment, unlike the B23 and fibrillarin, and displays a longer nucleolar residence time than nucleostemin...
  23. Li J, Sejas D, Rani R, Koretsky T, Bagby G, Pang Q. Nucleophosmin regulates cell cycle progression and stress response in hematopoietic stem/progenitor cells. J Biol Chem. 2006;281:16536-45 pubmed
    b>Nucleophosmin (NPM) is a multifunctional protein frequently overexpressed in actively proliferating cells. Strong evidence indicates that NPM is required for embryonic development and genomic stability...
  24. Yamauchi T, Keough R, Gonda T, Ishii S. Ribosomal stress induces processing of Mybbp1a and its translocation from the nucleolus to the nucleoplasm. Genes Cells. 2008;13:27-39 pubmed publisher
    ..Both small and large Mybbp1a complexes contained nucleophosmin and nucleolin...
  25. Parlato R, Kreiner G, Erdmann G, Rieker C, Stotz S, Savenkova E, et al. Activation of an endogenous suicide response after perturbation of rRNA synthesis leads to neurodegeneration in mice. J Neurosci. 2008;28:12759-64 pubmed publisher
  26. Takenawa T, Kuramitsu Y, Wang Y, Okada F, Tokuda K, Kitagawa T, et al. Proteomic analysis showed down-regulation of nucleophosmin in progressive tumor cells compared to regressive tumor cells. Anticancer Res. 2013;33:153-60 pubmed
    ..two-dimensional western blot analysis demonstrated a significantly lower expression of three isoforms of nucleophosmin in progressive, compared to regressive cell clones...
  27. Misawa K, Nosaka T, Morita S, Kaneko A, Nakahata T, Asano S, et al. A method to identify cDNAs based on localization of green fluorescent protein fusion products. Proc Natl Acad Sci U S A. 2000;97:3062-6 pubmed
    ..Using FL-REX, we have identified 25 cDNAs, most of which showed reasonable subcellular localization as GFP-fusion proteins, indicating that FL-REX is useful for identification of proteins that show specific intracellular localization. ..
  28. Van den Eynde B, Lethe B, Van Pel A, De Plaen E, Boon T. The gene coding for a major tumor rejection antigen of tumor P815 is identical to the normal gene of syngeneic DBA/2 mice. J Exp Med. 1991;173:1373-84 pubmed
    ..We conclude that major tumor rejection antigens of P815 are encoded by a gene showing little or no expression in most normal cells of adult mice...
  29. Holmberg Olausson K, Nistér M, Lindström M. Loss of nucleolar histone chaperone NPM1 triggers rearrangement of heterochromatin and synergizes with a deficiency in DNA methyltransferase DNMT3A to drive ribosomal DNA transcription. J Biol Chem. 2014;289:34601-19 pubmed publisher
    ..b>NPM1 is a nucleolar protein required for the maintenance of genome stability...
  30. Khanna Gupta A, Abayasekara N, Levine M, Sun H, Virgilio M, Nia N, et al. Up-regulation of translation eukaryotic initiation factor 4E in nucleophosmin 1 haploinsufficient cells results in changes in CCAAT enhancer-binding protein ? activity: implications in myelodysplastic syndrome and acute myeloid leukemia. J Biol Chem. 2012;287:32728-37 pubmed
    b>NPM1 is a ubiquitously expressed nucleolar phosphoprotein, the gene for which maps to chromosome 5q35 in close proximity to a commonly deleted region associated with (del)5q, a type of myelodysplastic syndrome (MDS)...
  31. Mduff F, Hook C, Tooze R, Huntly B, Pandolfi P, Turner S. Determining the contribution of NPM1 heterozygosity to NPM-ALK-induced lymphomagenesis. Lab Invest. 2011;91:1298-303 pubmed publisher
    Heterozygous expression of Nucleophosmin (NPM1) predisposes to hematological malignancies in the mouse and cooperates with Myc in lymphomagenesis. NPM1 is therefore regarded as a haploinsufficient tumor suppressor...
  32. Li J, Sejas D, Burma S, Chen D, Pang Q. Nucleophosmin suppresses oncogene-induced apoptosis and senescence and enhances oncogenic cooperation in cells with genomic instability. Carcinogenesis. 2007;28:1163-70 pubmed
    ..oncogenic activation and cooperation require a combination of genomic instability with increased expression of nucleophosmin (NPM) to prevent oncogenic stress-induced apoptosis or senescence...
  33. Vogt E, Meglicki M, Hartung K, Borsuk E, Behr R. Importance of the pluripotency factor LIN28 in the mammalian nucleolus during early embryonic development. Development. 2012;139:4514-23 pubmed publisher
    ..preimplantation embryos and embryonic stem cells (ESCs), where it colocalizes with the nucleolar marker B23 (nucleophosmin 1)...
  34. Dhar S, St Clair D. Nucleophosmin blocks mitochondrial localization of p53 and apoptosis. J Biol Chem. 2009;284:16409-18 pubmed publisher
    ..Here, we demonstrate that overexpression of NPM (nucleophosmin) significantly suppresses 12-O-tetradecanoylphorbol 13-acetate (TPA)-mediated apoptosis, in part, by blocking ..
  35. Sportoletti P, Varasano E, Rossi R, Mupo A, Tiacci E, Vassiliou G, et al. Mouse models of NPM1-mutated acute myeloid leukemia: biological and clinical implications. Leukemia. 2015;29:269-78 pubmed publisher
    Acute myeloid leukemia (AML) carrying nucleophosmin (NPM1) mutations displays distinct biological and clinical features that led to its inclusion as a provisional disease entity in the 2008 World Health Organization (WHO) classification ..
  36. Shinmura K, Tarapore P, Tokuyama Y, George K, Fukasawa K. Characterization of centrosomal association of nucleophosmin/B23 linked to Crm1 activity. FEBS Lett. 2005;579:6621-34 pubmed
    b>Nucleophosmin (NPM)/B23 is a multifunctional protein, involving in a wide variety of basic cellular processes, including ribosome assembly, DNA duplication, nucleocytoplasmic trafficking, and centrosome duplication...
  37. Mupo A, Celani L, Dovey O, Cooper J, Grove C, Rad R, et al. A powerful molecular synergy between mutant Nucleophosmin and Flt3-ITD drives acute myeloid leukemia in mice. Leukemia. 2013;27:1917-20 pubmed publisher
  38. Rau R, Magoon D, Greenblatt S, Li L, Annesley C, Duffield A, et al. NPMc+ cooperates with Flt3/ITD mutations to cause acute leukemia recapitulating human disease. Exp Hematol. 2014;42:101-13.e5 pubmed publisher
    Cytoplasmic nucleophosmin (NPMc(+)) mutations and FMS-like tyrosine kinase 3 (FLT3) internal tandem duplication (ITD) mutations are two of the most common known molecular alterations in acute myeloid leukemia (AML); they frequently occur ..
  39. Poletto M, Lirussi L, Wilson D, Tell G. Nucleophosmin modulates stability, activity, and nucleolar accumulation of base excision repair proteins. Mol Biol Cell. 2014;25:1641-52 pubmed publisher
    b>Nucleophosmin (NPM1) is a multifunctional protein that controls cell growth and genome stability via a mechanism that involves nucleolar-cytoplasmic shuttling...
  40. Lin C, Chao A, Wang T, Lee L, Yang L, Tsai C, et al. Nucleophosmin/B23 is a negative regulator of estrogen receptor ? expression via AP2? in endometrial cancer cells. Oncotarget. 2016;7:60038-60052 pubmed publisher
    ..Here, we demonstrate for the first time that nucleophosmin (NPM1/B23) suppression can restore the expression of estrogen receptor ? (ESR1/ER?) in endometrial cancer ..
  41. Lin J, Kato M, Nagata K, Okuwaki M. Efficient DNA binding of NF-?B requires the chaperone-like function of NPM1. Nucleic Acids Res. 2017;45:3707-3723 pubmed publisher
    NPM1/nucleophosmin is frequently overexpressed in various tumors, although the oncogenic role of NPM1 remains unclear. Here we revealed the link between NPM1 and nuclear factor-?B (NF-?B), a master regulator of inflammation...
  42. Guery L, Benikhlef N, Gautier T, Paul C, Jego G, Dufour E, et al. Fine-tuning nucleophosmin in macrophage differentiation and activation. Blood. 2011;118:4694-704 pubmed publisher
    ..One of these proteins is nucleophosmin (NPM1), a multifunctional and ubiquitous protein...
  43. Houlihan S, Feng Y. The scaffold protein Nde1 safeguards the brain genome during S phase of early neural progenitor differentiation. elife. 2014;3:e03297 pubmed publisher
    ..These findings suggest that NDE1-mediated heterochromatin replication is indispensible for neuronal differentiation, and that the loss of NDE1 function may lead to genomic neurological disorders. ..
  44. Ponti D, Bastianelli D, Rosa P, Pacini L, Ibrahim M, Rendina E, et al. The expression of B23 and EGR1 proteins is functionally linked in tumor cells under stress conditions. BMC Cell Biol. 2015;16:27 pubmed publisher
    ..ARF -/- cells, and ARF transcription is regulated by EGR1 while the turnover of ARF protein is under the control of B23, we speculated that some sort of cooperation between EGR1 and B23 might also exist...
  45. Schmidt Zachmann M, Franke W. DNA cloning and amino acid sequence determination of a major constituent protein of mammalian nucleoli. Correspondence of the nucleoplasmin-related protein NO38 to mammalian protein B23. Chromosoma. 1988;96:417-26 pubmed
    ..the idea that both proteins NO38 represent the amphibian and murine equivalents to the human and rat nucleolar phosphoprotein B23. Special sequence features and predicted conformations of this protein are discussed in relation to the ..
  46. Hussain S, Tuorto F, Menon S, Blanco S, Cox C, Flores J, et al. The mouse cytosine-5 RNA methyltransferase NSun2 is a component of the chromatoid body and required for testis differentiation. Mol Cell Biol. 2013;33:1561-70 pubmed publisher
    ..Specific NSun2- and Dnmt2-methylated tRNAs decreased in abundance when both methyltransferases were deleted, suggesting that RNA methylation pathways play an essential role in male germ cell differentiation. ..
  47. Mekhail K, Khacho M, Carrigan A, Hache R, Gunaratnam L, Lee S. Regulation of ubiquitin ligase dynamics by the nucleolus. J Cell Biol. 2005;170:733-44 pubmed
    ..Data shown here provide the first evidence that cells have evolved a mechanism to regulate molecular networks by reversibly switching proteins between a mobile and static state. ..
  48. Guo Y, Liu S, Wang P, Zhang H, Wang F, Bing L, et al. Granulocyte colony-stimulating factor improves neuron survival in experimental spinal cord injury by regulating nucleophosmin-1 expression. J Neurosci Res. 2014;92:751-60 pubmed
    ..Three treatment groups were compared with this model, 1) G-CSF, 2) G-CSF?+?NSC348884 (a nucleophosmin 1-specific inhibitor), and 3) NSC348884...
  49. Borggrefe T, Wabl M, Akhmedov A, Jessberger R. A B-cell-specific DNA recombination complex. J Biol Chem. 1998;273:17025-35 pubmed
    ..We identified four of the proteins in the SWAP complex: B23 (nucleophosmin), C23 (nucleolin), poly(ADP-ribose) polymerase (PARP), and SWAP-70...
  50. Hayne C, Xiang X, Luo Z. MEK inhibition and phosphorylation of serine 4 on B23 are two coincident events in mitosis. Biochem Biophys Res Commun. 2004;321:675-80 pubmed
    ..Here we show that MEK is inhibited in mitosis. In addition, we identify a multifunctional protein named B23 that strongly cross-reacts with a phospho-MEK antibody in mitotic cells...
  51. Falini B, Martelli M, Mecucci C, Liso A, Bolli N, Bigerna B, et al. Cytoplasmic mutated nucleophosmin is stable in primary leukemic cells and in a xenotransplant model of NPMc+ acute myeloid leukemia in SCID mice. Haematologica. 2008;93:775-9 pubmed publisher
    ..carrying at diagnosis wild-type NPM1 gene or showing at immunohistochemistry nucleus-restricted expression of nucleophosmin (NPMc(-) acute myeloid leukemia), which is predictive of NPM1 gene in germline configuration, acquired ..
  52. Brady S, Maggi L, Winkeler C, Toso E, Gwinn A, Pelletier C, et al. Nucleophosmin protein expression level, but not threonine 198 phosphorylation, is essential in growth and proliferation. Oncogene. 2009;28:3209-20 pubmed publisher
    b>Nucleophosmin (NPM), an oligomeric phosphoprotein and nucleolar target of the ARF tumor suppressor, contributes to several critical cellular processes...
  53. Pang Q, Christianson T, Koretsky T, Carlson H, David L, Keeble W, et al. Nucleophosmin interacts with and inhibits the catalytic function of eukaryotic initiation factor 2 kinase PKR. J Biol Chem. 2003;278:41709-17 pubmed
    ..Seeking novel PKR-modulating proteins we report here that nucleophosmin (NPM), a protein frequently overexpressed in a variety of human malignancies, binds to PKR, and inhibits its ..
  54. Hashimoto M, Sato T, Muroyama Y, Fujimura L, Hatano M, Saito T. Nepro is localized in the nucleolus and essential for preimplantation development in mice. Dev Growth Differ. 2015;57:529-38 pubmed publisher
    ..These findings indicate that Nepro is a nucleolus-associated protein, and its loss leads to the apoptosis before blastocyst formation in mice. ..
  55. Wang Z, Gall J, Bonegio R, Havasi A, Illanes K, Schwartz J, et al. Nucleophosmin, a critical Bax cofactor in ischemia-induced cell death. Mol Cell Biol. 2013;33:1916-24 pubmed publisher
    We hypothesized that nucleophosmin (NPM), a nucleolar phosphoprotein, is critical for Bax-mediated cell death. To test this hypothesis, Bax activation was induced by metabolic stress...
  56. Lee S, Kim C, Lee K, Ahn J. S-nitrosylation of B23/nucleophosmin by GAPDH protects cells from the SIAH1-GAPDH death cascade. J Cell Biol. 2012;199:65-76 pubmed publisher
    B23/nucleophosmin is a multifunctional protein that participates in cell survival signaling by shuttling between the nucleolus/nucleoplasm and nucleus/cytoplasm...
  57. Castelli M, Pieroni S, Brunacci C, Piobbico D, Bartoli D, Bellet M, et al. Hepatocyte odd protein shuttling (HOPS) is a bridging protein in the nucleophosmin-p19 Arf network. Oncogene. 2013;32:3350-8 pubmed publisher
    b>Nucleophosmin (NPM), a ubiquitously and abundantly expressed protein, occurs in the nucleolus, shuttling between the nucleoplasm and cytoplasm. The NPM gene is mutated in almost 30% of human acute myeloid leukemia cells...
  58. Adon A, Zeng X, Harrison M, Sannem S, Kiyokawa H, Kaldis P, et al. Cdk2 and Cdk4 regulate the centrosome cycle and are critical mediators of centrosome amplification in p53-null cells. Mol Cell Biol. 2010;30:694-710 pubmed publisher
    ..Cdk4 deregulate the licensing of the centrosome duplication cycle in p53-null cells by hyperphosphorylating nucleophosmin (NPM) at Thr199, as evidenced by observations that ablation of Cdk2, Cdk4, or both Cdk2 and Cdk4 abrogates ..
  59. Bonetti P, Davoli T, Sironi C, Amati B, Pelicci P, Colombo E. Nucleophosmin and its AML-associated mutant regulate c-Myc turnover through Fbw7 gamma. J Cell Biol. 2008;182:19-26 pubmed publisher
    Mutations leading to aberrant cytoplasmic localization of nucleophosmin (NPM) are the most frequent genetic alteration in acute myelogenous leukemia (AML). NPM binds the Arf tumor suppressor and protects it from degradation...
  60. Olanich M, Moss B, Piwnica Worms D, Townsend R, Weber J. Identification of FUSE-binding protein 1 as a regulatory mRNA-binding protein that represses nucleophosmin translation. Oncogene. 2011;30:77-86 pubmed publisher
    b>Nucleophosmin (NPM/B23) is a multifunctional oncoprotein whose protein expression levels dictate cellular growth and proliferation rates...
  61. Merz H, Kaehler C, Hoefig K, Branke B, Uckert W, Nadrowitz R, et al. Interleukin-9 (IL-9) and NPM-ALK each generate mast cell hyperplasia as single 'hit' and cooperate in producing a mastocytosis-like disease in mice. Oncotarget. 2010;1:104-19 pubmed
    ..Here, we describe that transplantation of NPM-ALK-transplanted mouse bone marrow progenitors into lethally irradiated IL-9 transgenic mice not only results in ..
  62. Ando K, PARSONS M, Shah R, Charendoff C, Paris S, Liu P, et al. NPM1 directs PIDDosome-dependent caspase-2 activation in the nucleolus. J Cell Biol. 2017;216:1795-1810 pubmed publisher
    ..Furthermore, the nucleolar phosphoprotein nucleophosmin (NPM1) acts as a scaffold for PIDD and is essential for PIDDosome assembly in the nucleolus after DNA damage...
  63. Rousselet A. Inhibiting Crm1 causes the formation of excess acentriolar spindle poles containing NuMA and B23, but does not affect centrosome numbers. Biol Cell. 2009;101:679-93 pubmed publisher
    B23/nucleophosmin is present on spindle poles at metaphase. Migration of B23 to the poles is under the control of exportin Crm1. B23 at the centrosome plays a role in the control centrosome duplication...
  64. Raval A, Kusler B, Pang W, Weissman I, Mitchell B, Park C. Effect of nucleophosmin1 haploinsufficiency on hematopoietic stem cells. Leukemia. 2012;26:853-5 pubmed publisher
  65. Liu H, Wang W, Chew S, Lee S, Li J, Vassiliou G, et al. Stella-Cre mice are highly efficient Cre deleters. Genesis. 2011;49:689-95 pubmed publisher
    ..recombination efficiency in Stella-Cre mice was investigated at several genomic loci including Rosa26, Jak2, and Npm1. At all the loci examined, we observed 100% Cre-loxP recombination efficiency in the embryos and in the germline...
  66. Lührig S, Siamishi I, Tesmer Wolf M, Zechner U, Engel W, Nolte J. Lrrc34, a novel nucleolar protein, interacts with npm1 and ncl and has an impact on pluripotent stem cells. Stem Cells Dev. 2014;23:2862-74 pubmed publisher
    ..We have verified the interaction of LRRC34 with two major nucleolar proteins, Nucleophosmin and Nucleolin, by two independent methods, suggesting a role for Lrrc34 in ribosome biogenesis of pluripotent ..
  67. Tago K, Chiocca S, Sherr C. Sumoylation induced by the Arf tumor suppressor: a p53-independent function. Proc Natl Acad Sci U S A. 2005;102:7689-94 pubmed
    ..Arf triggers sumoylation of many cellular proteins, including Mdm2 and nucleophosmin (NPM/B23), with which p19(Arf) physically interacts in vivo, and this occurs equally well in cells expressing ..
  68. Lawson K, Larentowicz L, Laury Kleintop L, Gilmour S. B23 is a downstream target of polyamine-modulated CK2. Mol Cell Biochem. 2005;274:103-14 pubmed
    ..on CK2 localisation and on the CK2-mediated phosphorylation of a known CK2 substrate, the nucleolar phosphoprotein B23. Immunofluorescence analysis of CK2 and B23 in primary keratinocytes revealed that ODC overexpression ..
  69. Zhang X, Kuramitsu Y, Fujimoto M, Hayashi E, Yuan X, Nakamura K. Proteomic analysis of macrophages stimulated by lipopolysaccharide: Lipopolysaccharide inhibits the cleavage of nucleophosmin. Electrophoresis. 2006;27:1659-68 pubmed
    ..Ten protein spots were identified, seven of which, tubulin beta-4 chain (49.6 kDa, pI 4.78), nucleophosmin (32.6 kDa, pI 4.62, two spots), 40S ribosomal protein SA (P40) (32.7 kDa, pI 4...
  70. Johansson H, Simonsson S. Core transcription factors, Oct4, Sox2 and Nanog, individually form complexes with nucleophosmin (Npm1) to control embryonic stem (ES) cell fate determination. Aging (Albany NY). 2010;2:815-22 pubmed
    ..that all three core transcription factors, namely Oct4, Sox2 and Nanog, individually formed complexes with nucleophosmin (Npm1)...