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S100a4  -  S100 calcium-binding protein A4

Rattus norvegicus

Synonyms: 18A2, 42A, CAPL, MTS1, Metastasin, ...
 
 
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Disease relevance of S100a4

  • The decrease in enzymic activity ranged from 16 to 19% for the slow-growing tumors (Hepatomas 44, 28A, and 9633), 2 to 9% for the intermediate-growing tumors (Hepatomas 38B, 7795, and 5123A), and 0% for the fast-growing tumors (Hepatomas 7288C, 7777, and 42A) [1].
  • The expression of pEL98 (mts1) was also found to be correlated with motile and invasive abilities in various clones derived from Lewis lung carcinoma [2].
 

High impact information on S100a4

  • The conservation of primary and secondary structure between 42A, 42C, and the other proteins suggests a possible role for them in the regulation of cell growth and differentiation [3].
  • Placental calcium binding protein in rats. Apparent identity with vitamin D-dependent calcium binding protein from rat intestine [4].
  • Immunoselection of recombinant clones from a KNRK-specific lambda gt11 cDNA library allowed identification of the 59K and 10K proteins as transin 2 and an S-100-related calcium-binding protein identified as p9Ka/42A but not previously associated with oncogenic transformation of rat cells [5].
  • Metastasis-associated S100A4 (Mts1) protein is expressed in subpopulations of sensory and autonomic neurons and in Schwann cells of the adult rat [6].
  • S100A4 (Mts1) is a member of a family of calcium-binding proteins of the EF-hand type, which are widely expressed in the nervous system, where they appear to be involved in the regulation of neuron survival, plasticity, and response to injury or disease [6].
 

Biological context of S100a4

  • The induction of 42A and 42C mRNAs and repression of S100 beta mRNA remained if nerve regeneration was prevented.(ABSTRACT TRUNCATED AT 250 WORDS)[7]
  • The expression level of pEL98 (mts1) correlated well with cell motility, which was examined by measuring cell tracks by phagokinesis [2].
 

Anatomical context of S100a4

  • The levels of 42C and 42A mRNAs in sciatic nerve increased 4- and 14-fold, respectively, by postnatal day 23 compared to postnatal day 2 [7].
  • Calvasculin encodes mRNA termed pEL-98, 18A2, 42A, p9Ka, or mts1, found to be elevated in several metastatic cell lines [8].
  • In this procedure, we take advantage of our previous finding that white, but not gray matter astrocytes express the calcium-binding protein S100A4 [9].
 

Associations of S100a4 with chemical compounds

  • The MTT 5 min metabolic inclusion test and MTS 1 h quantitative assay results correlated closely with those obtained by the 3HTdR, trypan blue dye exclusion, and fluorescein diacetate (FDA) methods [10].

References

  1. Metabolism of estrogens in hepatomas of different growth rates. Abul-Hajj, Y.J., Morris, H.P. Cancer Res. (1977) [Pubmed]
  2. Involvement of S100-related calcium-binding protein pEL98 (or mts1) in cell motility and tumor cell invasion. Takenaga, K., Nakamura, Y., Endo, H., Sakiyama, S. Jpn. J. Cancer Res. (1994) [Pubmed]
  3. Nerve growth factor induces the genes for two proteins related to a family of calcium-binding proteins in PC12 cells. Masiakowski, P., Shooter, E.M. Proc. Natl. Acad. Sci. U.S.A. (1988) [Pubmed]
  4. Placental calcium binding protein in rats. Apparent identity with vitamin D-dependent calcium binding protein from rat intestine. Bruns, M.E., Fausto, A., Avioli, L.V. J. Biol. Chem. (1978) [Pubmed]
  5. Transformation of normal rat kidney cells by v-K-ras enhances expression of transin 2 and an S-100-related calcium-binding protein. De Vouge, M.W., Mukherjee, B.B. Oncogene (1992) [Pubmed]
  6. Metastasis-associated S100A4 (Mts1) protein is expressed in subpopulations of sensory and autonomic neurons and in Schwann cells of the adult rat. Sandelin, M., Zabihi, S., Liu, L., Wicher, G., Kozlova, E.N. J. Comp. Neurol. (2004) [Pubmed]
  7. Differential regulation of S100 beta and mRNAs coding for S100-like proteins (42A and 42C) during development and after lesion of rat sciatic nerve. De León, M., Van Eldik, L.J., Shooter, E.M. J. Neurosci. Res. (1991) [Pubmed]
  8. Calvasculin, as a factor affecting the microfilament assemblies in rat fibroblasts transfected by src gene. Watanabe, Y., Usada, N., Minami, H., Morita, T., Tsugane, S., Ishikawa, R., Kohama, K., Tomida, Y., Hidaka, H. FEBS Lett. (1993) [Pubmed]
  9. A procedure for culturing astrocytes from white matter and the application of the siRNA technique for silencing the expression of their specific marker, S100A4. Kozlova, E.N., Takenaga, K. Brain Res. Brain Res. Protoc. (2005) [Pubmed]
  10. Simple and reliable methods to assess hepatocyte viability in bioartificial liver support system matrices. Sun, J., Wang, L., Waring, M.A., Wang, C., Woodman, K.K., Sheil, A.G. Artificial organs. (1997) [Pubmed]
 
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