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OSTF1  -  osteoclast stimulating factor 1

Homo sapiens

Synonyms: OSF, Osteoclast-stimulating factor 1, SH3P2, bA235O14.1
 
 
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Disease relevance of OSTF1

 

High impact information on OSTF1

  • Myeloma cells destroy bone by producing an osteoclast-stimulating factor that has chemical and biological characteristics similar to the bone-resorbing activity present in the supernatants of activated leukocyte cultures [5].
  • We have recently identified and cloned an intracellular peptide termed osteoclast-stimulating factor (OSF) that increases osteoclast (OCL) formation and bone resorption through a cellular signal transduction cascade, possibly through its interaction with c-Src or related family members [2].
  • These results demonstrate that OSFs, and particularly BMP15 and GDF9, enhance oocyte developmental competence and provide evidence that OSF regulation of the COC microenvironment is an important determinant of oocyte developmental programming [6].
  • Treating acute stroke patients with intravenous tPA. The OSF stroke network experience [3].
  • Each probe typically identified a single off-size fragment (OSF) in the case of enzymes not cutting viral genome segments, while two OSFs were generated by enzymes cutting at one and two sites [7].
 

Chemical compound and disease context of OSTF1

  • In addition, conditioned media from 293 cells transfected with the OSF cDNA clone enhanced the stimulatory effects of 1,25-(OH)2D3 on bone resorption in the fetal rat long bone assay [1].
 

Biological context of OSTF1

  • Assignment of OSTF1 to human chromosome bands 12q24.1-->q24.2 by in situ hybridization [8].
  • Taken together, these data suggest that OSF is a novel intracellular protein that indirectly enhances osteoclast formation and osteoclastic bone resorption through the cellular signal transduction cascade, possibly through its interactions with c-Src or other Src-related proteins [1].
  • OSTF1: a HD-GL2 family homeobox gene is developmentally regulated during early embryogenesis in rice [9].
  • The OSF effect was mediated, at least in part, through the inhibition of HUVEC migration, as determined by the ability to block chemotaxis in a Transwell chamber assay [10].
  • As part of a structure-based anti-bone-loss drug-design program, the atomic resolution X-ray structure of the recombinant human OSF SH3 domain (hOSF-SH3) has been determined [11].
 

Anatomical context of OSTF1

  • In situ hybridization studies using antisense oligomers showed expression of OSF mRNA in highly purified osteoclast-like cells from human giant cell tumors of the bone [1].
  • Pyloric muscle activity correlates well with motor neuron overall spike frequency (OSF, number of spikes per burst divided by cycle period) [12].
  • In this study, we examined the effect of native and chemically oversulfated fucoidans (NF and OSF) on the tube structure formation by human umbilical vein endothelial cells (HUVEC) on the basement membrane preparation, Matrigel [10].
  • In vitro studies on human fibroblasts using areca extracts or chemically purified arecoline support the theory of fibroblastic proliferation and increased collagen formation that is also demonstrable histologically in human OSF tissues [13].
  • Only four (8%) of the OSF specimens and none of the EH specimens had more than 25% p53-positive keratinocytes [14].
 

Associations of OSTF1 with chemical compounds

  • In this report, we describe SH3P2, an SH3-domain containing protein, as a novel Cbl-interacting molecule that is a substrate of tyrosine kinase Src [15].
  • Crystals of human osteoclast-stimulating factor were obtained by the hanging-drop vapour-diffusion method using ammonium sulfate as a precipitant [16].
  • The rice field eel OSF-like gene cDNA encoded a peptide of 214 amino acids that contains a c-Src homology 3 domain, proline-rich region, and ankyrin repeats, suggesting potential involvement in cell signaling [17].
  • No correlations were found between basal plasma cortisol concentrations and factors such as SAPS, OSF, hemodynamic measurements, duration of shock, and amount of vasopressor and/or inotropic agents [18].
  • Compared with controls, infants in the OSF group had a lower stool mean pH and an increased proportion of acetate and a decreased proportion of propionate [19].
 

Other interactions of OSTF1

  • Furthermore, recombinant OSF had a high affinity for c-Src, an important regulator of osteoclast activity [1].
  • The encoded OSTF1, although sharing only approximately 51% sequence identity with other HD-GL2 members, contains four characteristic motifs (an N-terminal acidic region, a homeodomain, a truncated leucine zipper, and a START domain) [9].
  • Increased expression of a novel osteoclast-stimulating factor, ADAM8, in interface tissue around loosened hip prostheses [20].
  • By following these approaches, 96 proteins were found to undergo PTM in response to CRP in human platelets, including 11 novel platelet proteins such as Dok-1, SPIN90, osteoclast stimulating factor 1, and beta-Pix [21].
 

Analytical, diagnostic and therapeutic context of OSTF1

References

  1. Isolation and characterization of a cDNA clone encoding a novel peptide (OSF) that enhances osteoclast formation and bone resorption. Reddy, S., Devlin, R., Menaa, C., Nishimura, R., Choi, S.J., Dallas, M., Yoneda, T., Roodman, G.D. J. Cell. Physiol. (1998) [Pubmed]
  2. Osteoclast-stimulating factor interacts with the spinal muscular atrophy gene product to stimulate osteoclast formation. Kurihara, N., Menaa, C., Maeda, H., Haile, D.J., Reddy, S.V. J. Biol. Chem. (2001) [Pubmed]
  3. Treating acute stroke patients with intravenous tPA. The OSF stroke network experience. Wang, D.Z., Rose, J.A., Honings, D.S., Garwacki, D.J., Milbrandt, J.C. Stroke (2000) [Pubmed]
  4. Quantitative real-time PCR assays to identify and quantify fecal Bifidobacterium species in infants receiving a prebiotic infant formula. Haarman, M., Knol, J. Appl. Environ. Microbiol. (2005) [Pubmed]
  5. Production of lymphotoxin, a bone-resorbing cytokine, by cultured human myeloma cells. Garrett, I.R., Durie, B.G., Nedwin, G.E., Gillespie, A., Bringman, T., Sabatini, M., Bertolini, D.R., Mundy, G.R. N. Engl. J. Med. (1987) [Pubmed]
  6. Oocyte-secreted factors enhance oocyte developmental competence. Hussein, T.S., Thompson, J.G., Gilchrist, R.B. Dev. Biol. (2006) [Pubmed]
  7. Evidence for a chromosomal location of polydnavirus DNA in the ichneumonid parasitoid Hyposoter fugitivus. Xu, D.M., Stoltz, D. J. Virol. (1991) [Pubmed]
  8. Assignment of OSTF1 to human chromosome bands 12q24.1-->q24.2 by in situ hybridization. Schaub, R., Dupont, B., Roodman, G.D., Leach, R.J., Reddy, S.V. Cytogenet. Cell Genet. (2000) [Pubmed]
  9. OSTF1: a HD-GL2 family homeobox gene is developmentally regulated during early embryogenesis in rice. Yang, J.Y., Chung, M.C., Tu, C.Y., Leu, W.M. Plant Cell Physiol. (2002) [Pubmed]
  10. Inhibitory effect of oversulfated fucoidan on tube formation by human vascular endothelial cells. Soeda, S., Shibata, Y., Shimeno, H. Biol. Pharm. Bull. (1997) [Pubmed]
  11. Structure of the SH3 domain of human osteoclast-stimulating factor at atomic resolution. Chen, L., Wang, Y., Wells, D., Toh, D., Harold, H., Zhou, J., DiGiammarino, E., Meehan, E.J. Acta Crystallograph. Sect. F Struct. Biol. Cryst. Commun. (2006) [Pubmed]
  12. Quantification of cardiac sac network effects on a movement-related parameter of pyloric network output in the lobster. Thuma, J.B., Hooper, S.L. J. Neurophysiol. (2003) [Pubmed]
  13. Oral submucous fibrosis: review on aetiology and pathogenesis. Tilakaratne, W.M., Klinikowski, M.F., Saku, T., Peters, T.J., Warnakulasuriya, S. Oral Oncol. (2006) [Pubmed]
  14. Expression of p53 protein in oral submucous fibrosis, oral epithelial hyperkeratosis, and oral epithelial dysplasia. Chiang, C.P., Lang, M.J., Liu, B.Y., Wang, J.T., Leu, J.S., Hahn, L.J., Kuo, M.Y. J. Formos. Med. Assoc. (2000) [Pubmed]
  15. SH3P2 in complex with Cbl and Src. Szymkiewicz, I., Destaing, O., Jurdic, P., Dikic, I. FEBS Lett. (2004) [Pubmed]
  16. Crystallization and preliminary X-ray crystallographic analysis of osteoclast-stimulating factor. Li, M., Meng, Z., Xu, Y., Lou, Z., Rao, Z. Acta Crystallograph. Sect. F Struct. Biol. Cryst. Commun. (2005) [Pubmed]
  17. Molecular cloning and expression of the osteoclast-stimulating-factor-like gene from the rice field eel. Xia, L., Cheng, H., Yu, H., Guo, Y., Zhou, R. J. exp. zool. B. Mol. Dev. Evol. (2004) [Pubmed]
  18. Adrenocortical function during septic shock. Bouachour, G., Tirot, P., Gouello, J.P., Mathieu, E., Vincent, J.F., Alquier, P. Intensive care medicine. (1995) [Pubmed]
  19. Colon microflora in infants fed formula with galacto- and fructo-oligosaccharides: more like breast-fed infants. Knol, J., Scholtens, P., Kafka, C., Steenbakkers, J., Gro, S., Helm, K., Klarczyk, M., Schöpfer, H., Böckler, H.M., Wells, J. J. Pediatr. Gastroenterol. Nutr. (2005) [Pubmed]
  20. Increased expression of a novel osteoclast-stimulating factor, ADAM8, in interface tissue around loosened hip prostheses. Mandelin, J., Li, T.F., Hukkanen, M.V., Liljeström, M., Chen, Z.K., Santavirta, S., Kitti, U., Konttinen, Y.T. J. Rheumatol. (2003) [Pubmed]
  21. A global proteomics approach identifies novel phosphorylated signaling proteins in GPVI-activated platelets: Involvement of G6f, a novel platelet Grb2-binding membrane adapter. Garc??a, A., Senis, Y.A., Antrobus, R., Hughes, C.E., Dwek, R.A., Watson, S.P., Zitzmann, N. Proteomics (2006) [Pubmed]
  22. Evaluation of severity scoring systems in ICUs--translation, conversion and definition ambiguities as a source of inter-observer variability in Apache II, SAPS and OSF. Féry-Lemonnier, E., Landais, P., Loirat, P., Kleinknecht, D., Brivet, F. Intensive care medicine. (1995) [Pubmed]
  23. Ovarian synchrony factor: a new ultrasound parameter in the prognosis of follicular rupture. Franco, J.G., Baruffi, R.L., Mauri, A.L., Petersen, C.G., Oliveira, J.B. Hum. Reprod. (1994) [Pubmed]
 
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