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Abstract:

When Ca2+ is released from internal stores in living cells, the resulting wave of increased concentration can travel without deformation (continuous propagation) or with burst-like behavior (saltatory propagation). We analyze the 'fire-diffuse-fire' model in order to illuminate the differences between these two modes of propagation. We show that the Ca2+ release wave in immature Xenopus oocytes and cardiac myocytes is saltatory, whereas the fertilization wave in the mature oocyte is continuous.

Registro:

Documento: Artículo
Título:Fire-diffuse-fire model of dynamics of intracellular calcium waves
Autor:Dawson, S.P.; Keizer, J.; Pearson, J.E.
Filiación:Departamento de Física, Fac. de Ciencias Exactas y Naturales, Pabellón I, 1428 Buenos Aires, Argentina
Inst. Theor. Dynam. Neurbio., P., University of California, Davis, CA 95616, United States
XCM MS F645, Compl. Sci. Methods, Appl. Theor. P., Los Alamos National Laboratory, Los Alamos, NM 87545, United States
Palabras clave:calcium; article; calcium cell level; calcium transport; fertilization; heart muscle cell; illumination; model; priority journal; xenopus; Animals; Calcium; Female; Fertilization; Intracellular Fluid; Kinetics; Models, Biological; Myocardium; Oocytes; Xenopus
Año:1999
Volumen:96
Número:11
Página de inicio:6060
Página de fin:6063
DOI: http://dx.doi.org/10.1073/pnas.96.11.6060
Título revista:Proceedings of the National Academy of Sciences of the United States of America
Título revista abreviado:Proc. Natl. Acad. Sci. U. S. A.
ISSN:00278424
CODEN:PNASA
CAS:Calcium, 7440-70-2
PDF:https://bibliotecadigital.exactas.uba.ar/download/paper/paper_00278424_v96_n11_p6060_Dawson.pdf
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00278424_v96_n11_p6060_Dawson

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Citas:

---------- APA ----------
Dawson, S.P., Keizer, J. & Pearson, J.E. (1999) . Fire-diffuse-fire model of dynamics of intracellular calcium waves. Proceedings of the National Academy of Sciences of the United States of America, 96(11), 6060-6063.
http://dx.doi.org/10.1073/pnas.96.11.6060
---------- CHICAGO ----------
Dawson, S.P., Keizer, J., Pearson, J.E. "Fire-diffuse-fire model of dynamics of intracellular calcium waves" . Proceedings of the National Academy of Sciences of the United States of America 96, no. 11 (1999) : 6060-6063.
http://dx.doi.org/10.1073/pnas.96.11.6060
---------- MLA ----------
Dawson, S.P., Keizer, J., Pearson, J.E. "Fire-diffuse-fire model of dynamics of intracellular calcium waves" . Proceedings of the National Academy of Sciences of the United States of America, vol. 96, no. 11, 1999, pp. 6060-6063.
http://dx.doi.org/10.1073/pnas.96.11.6060
---------- VANCOUVER ----------
Dawson, S.P., Keizer, J., Pearson, J.E. Fire-diffuse-fire model of dynamics of intracellular calcium waves. Proc. Natl. Acad. Sci. U. S. A. 1999;96(11):6060-6063.
http://dx.doi.org/10.1073/pnas.96.11.6060