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Gene Review

FOSB  -  FBJ murine osteosarcoma viral oncogene...

Homo sapiens

Synonyms: AP-1, DKFZp686C0818, G0/G1 switch regulatory protein 3, G0S3, GOS3, ...
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Disease relevance of FOSB

  • Eight to 12 weeks after stroke 12 patients were without clinical signs (Glasgow Outcome Scale [GOS] 1), 15 patients had minor neurologic deficits (GOS 2), 10 were severely disabled (GOS 3), and eight patients had died (GOS 5) [1].
  • Of those patients with post-operative hemorrhage at three months follow up three patients (13%) succumbed from reasons not directly related to hemorrhage, one patient remained GOS 2 (4.3%), four patients (17.4%) were GOS 3 and 15 (65.4%) patients had favorable outcome (GOS 4 [one patient] and GOS5 [14 patients]) [2].
  • One patient with GOS 3 presented with a poor grade subarachnoid hemorrhage and the other patient with GOS 4 presented with a parenchymal hemorrhage due to an arteriovenous malformation [3].
  • 26.3% survived severely disabled (GOS 3), no case suffered from a vegetative state (GOS 2) but 21.1% died (GOS 1) [4].
  • RESULTS: In the group of 41 treated patients with unruptured aneurysms, 40 (97.6%) had good outcomes (GOS 1-2) and 1 patient had poor (GOS 3) outcome at discharge [5].

High impact information on FOSB

  • The levels of two other immediate-early genes, fosb and c-jun, also increased transiently after fibroblast contraction, whereas the levels of fra-1, fra-2, c-myc, and the transcription factor NF-kappaB remained the same, indicating that fibroblast contraction caused changes in a selective group of genes [6].
  • The tumor lines GOS3, M059K, CCFSTTG1 and A172, as well as primary normal astrocytes, were nontumorigenic and noninvasive in this experimental model [7].
  • In two GOS 2 vegetative patients with normal morphological MRI, MRS detected severe functional damage of the brainstem (NAA/Cr < 1.50) that was described as "invisible brain stem damage." MRI and MRS taken separately could not distinguish patients GOS 3 (n = 7) from GOS 1-2 (n = 11) and GOS 4-5 (n = 20) [8].
  • In this study, 14 cerebrospinal fluid (CSF) and 11 serum samples of patients with neuroPCM were analyzed by inh-ELISA for detection of circulating glycoprotein antigens of 43 kDa (gp43) and 70 kDa (gp70) [9].
  • Maximum GOS3 synthesis was reached at a water activity interval of 0.44-0.57, with lactose concentrations of 0.06%-0.1%, while GOS4 and GOS5 maxima were reached at water activity intervals of 0.47-0.57 and 0.49-0.60, respectively [10].

Biological context of FOSB

  • Regions of low potential in a 68.5-kb genomic segment containing the FOSB gene suggest that the potential may help locate genes in uncharted DNA sequences [11].
  • G0S3 is a member of a set of putative G0/G1 switch regulatory genes (G0S genes) selected by screening cDNA libraries prepared from human blood mononuclear cells cultured for 2 hr with lectin and cycloheximide [11].

Anatomical context of FOSB


Associations of FOSB with chemical compounds

  • In preincubated cells, the cycloheximide response is decreased, especially in the case of FOSB [11].
  • In addition, both gp43 and gp70 antigens were detected in 10 of 11 serum samples analyzed at mean concentrations of 4.6 and 4.0 mug/ml, respectively [9].

Other interactions of FOSB

  • These differences in expression of FOS and FOSB suggest different roles and regulation [11].
  • The sequence shows high homology with the murine FOSB gene, which encodes a component of the AP1 transcriptional regulator [11].

Analytical, diagnostic and therapeutic context of FOSB

  • At 6 months after the procedure, 3 patients (25%) had achieved a good recovery (Glasgow Outcome Scale [GOS] score of 5), 5 patients (42%) were dependent (GOS 3), and 1 (8.3%) remained vegetative (GOS 2) [13].
  • The detection of anti-gp43 and anti-gp70 antibodies by conventional ELISA showed positive results for all CSF samples, with titers ranging from 1:50 to 1:51,200 [9].
  • Patients with GOS 3 at the end of early rehabilitation on the other hand could improve in 51 cases to GOS 4 and 5 [14].


  1. Basilar artery embolism. Clinical syndrome and neuroradiologic patterns in patients without permanent occlusion of the basilar artery. Schwarz, S., Egelhof, T., Schwab, S., Hacke, W. Neurology (1997) [Pubmed]
  2. Post-operative hematoma after surgery for intracranial meningiomas: causes, avoidable risk factors and clinical outcome. Gerlach, R., Raabe, A., Scharrer, I., Meixensberger, J., Seifert, V. Neurol. Res. (2004) [Pubmed]
  3. The endovascular management of superior cerebellar artery aneurysms. Haw, C., Willinsky, R., Agid, R., TerBrugge, K. The Canadian journal of neurological sciences. Le journal canadien des sciences neurologiques. (2004) [Pubmed]
  4. Decompressive hemicraniectomy in patients with subarachnoid hemorrhage and intractable intracranial hypertension. Buschmann, U., Yonekawa, Y., Fortunati, M., Cesnulis, E., Keller, E. Acta neurochirurgica (2007) [Pubmed]
  5. Aneurysms of the ophthalmic (C6) segment of the internal carotid artery: treatment options and strategies based on a clinical series. Beretta, F., Andaluz, N., Zuccarello, M. Journal of neurosurgical sciences. (2004) [Pubmed]
  6. Increased c-fos mRNA expression by human fibroblasts contracting stressed collagen matrices. Rosenfeldt, H., Lee, D.J., Grinnell, F. Mol. Cell. Biol. (1998) [Pubmed]
  7. Stromelysin-1/matrix metalloproteinase-3 (MMP-3) expression accounts for invasive properties of human astrocytoma cell lines. Mercapide, J., Lopez De Cicco, R., Castresana, J.S., Klein-Szanto, A.J. Int. J. Cancer (2003) [Pubmed]
  8. Early morphologic and spectroscopic magnetic resonance in severe traumatic brain injuries can detect "invisible brain stem damage" and predict "vegetative states". Carpentier, A., Galanaud, D., Puybasset, L., Muller, J.C., Lescot, T., Boch, A.L., Riedl, V., Cornu, P., Coriat, P., Dormont, D., van Effenterre, R. J. Neurotrauma (2006) [Pubmed]
  9. Diagnosis of neuroparacoccidioidomycosis by detection of circulating antigen and antibody in cerebrospinal fluid. da Silva, S.H., Colombo, A.L., Blotta, M.H., Queiroz-Telles, F., Lopes, J.D., de Camargo, Z.P. J. Clin. Microbiol. (2005) [Pubmed]
  10. Influence of water activity in the synthesis of galactooligosaccharides produced by a hyperthermophilic beta-glycosidase in an organic medium. Cruz-Guerrero, A.E., Gómez-Ruiz, L., Viniegra-González, G., Bárzana, E., García-Garibay, M. Biotechnol. Bioeng. (2006) [Pubmed]
  11. Sequence analysis and expression in cultured lymphocytes of the human FOSB gene (G0S3). Heximer, S.P., Cristillo, A.D., Russell, L., Forsdyke, D.R. DNA Cell Biol. (1996) [Pubmed]
  12. Effect of arachnoid plasty using fibrin glue membrane after clipping of ruptured aneurysm on the occurrence of complications and outcome in the elderly patients. Mino, Y., Hirashima, Y., Hamada, H., Masuoka, T., Yamatani, K., Takeda, S., Masuda, R., Nogami, K., Endo, S. Acta neurochirurgica. (2006) [Pubmed]
  13. Stereotactic computed tomographic-guided aspiration and thrombolysis of intracerebral hematoma : protocol and preliminary experience. Montes, J.M., Wong, J.H., Fayad, P.B., Awad, I.A. Stroke (2000) [Pubmed]
  14. Neurological and social long-term outcome after early rehabilitation following traumatic brain injury. 5-year report on 240 TBI patients. Hoffmann, B., Düwecke, C., von Wild, K.R. Acta Neurochir. Suppl. (2002) [Pubmed]
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