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C‐Fos expression is hypersensitive to serum‐stimulation in cultured cystic kidney cells from the C57BL/6J‐cpk mouse
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| Zeitschriftentitel: | Journal of Cellular Physiology |
|---|---|
| Personen und Körperschaften: | , , |
| In: | Journal of Cellular Physiology, 152, 1992, 3, S. 578-586 |
| Format: | E-Article |
| Sprache: | Englisch |
| veröffentlicht: |
Wiley
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| Schlagwörter: |
| author_facet |
Rankin, Carolyn A. Grantham, Jared J. Calvet, James P. Rankin, Carolyn A. Grantham, Jared J. Calvet, James P. |
|---|---|
| author |
Rankin, Carolyn A. Grantham, Jared J. Calvet, James P. |
| spellingShingle |
Rankin, Carolyn A. Grantham, Jared J. Calvet, James P. Journal of Cellular Physiology C‐Fos expression is hypersensitive to serum‐stimulation in cultured cystic kidney cells from the C57BL/6J‐cpk mouse Cell Biology Clinical Biochemistry Physiology |
| author_sort |
rankin, carolyn a. |
| spelling |
Rankin, Carolyn A. Grantham, Jared J. Calvet, James P. 0021-9541 1097-4652 Wiley Cell Biology Clinical Biochemistry Physiology http://dx.doi.org/10.1002/jcp.1041520318 <jats:title>Abstract</jats:title><jats:p>Cystic kidneys of the C57BL/6J‐cpk murine model of polycystic kidney disease show a marked overexpression of the proto‐oncogenes c‐fos, c‐myc, and c‐ki‐ras, consistent with an increased rate of cell proliferation and an altered state of differentiation. To determine if cystic cells have increased responsiveness to stimulation with mitogenic agents, quiescent primary cultures from normal and cystic cpk kidneys were treated with fetal bovine serum (FBS), 8‐bromo‐cAMP (cAMP), or epidermal growth factor (EGF). The level of c‐fos induction following stimulation by FBS was found to be dramatically higher in cystic cells than in normal cells; whereas induction by cAMP or EGF was essentially the same in both cell types and much less than that seen in FBS‐stimulated cells. To determine if this serum hypersensitivity reflects an increased proliferative state in vivo, c‐fos induction was examined in cultures derived from normal kidneys stimulated to regenerate by folic acid‐induced acute renal injury. As with cystic kidneys, the folic acid‐injured kidneys showed increased c‐fos responsiveness to FBS in cell culture. These experiments suggest that cystic and regenerating kidneys have an altered phenotypic state in vivo that is manifested in cell culture by serum hypersensitivity. However, whereas the folic acid‐injured kidneys ultimately reestablish normal kidney function, cystic kidneys further progress to renal failure, suggesting that cystic epithelial cells are locked in this altered state of differentiation. © 1992 Wiley‐Liss, Inc.</jats:p> C‐Fos expression is hypersensitive to serum‐stimulation in cultured cystic kidney cells from the C57BL/6J‐cpk mouse Journal of Cellular Physiology |
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Wiley, 1992 |
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| title |
C‐Fos expression is hypersensitive to serum‐stimulation in cultured cystic kidney cells from the C57BL/6J‐cpk mouse |
| title_unstemmed |
C‐Fos expression is hypersensitive to serum‐stimulation in cultured cystic kidney cells from the C57BL/6J‐cpk mouse |
| title_full |
C‐Fos expression is hypersensitive to serum‐stimulation in cultured cystic kidney cells from the C57BL/6J‐cpk mouse |
| title_fullStr |
C‐Fos expression is hypersensitive to serum‐stimulation in cultured cystic kidney cells from the C57BL/6J‐cpk mouse |
| title_full_unstemmed |
C‐Fos expression is hypersensitive to serum‐stimulation in cultured cystic kidney cells from the C57BL/6J‐cpk mouse |
| title_short |
C‐Fos expression is hypersensitive to serum‐stimulation in cultured cystic kidney cells from the C57BL/6J‐cpk mouse |
| title_sort |
c‐fos expression is hypersensitive to serum‐stimulation in cultured cystic kidney cells from the c57bl/6j‐cpk mouse |
| topic |
Cell Biology Clinical Biochemistry Physiology |
| url |
http://dx.doi.org/10.1002/jcp.1041520318 |
| publishDate |
1992 |
| physical |
578-586 |
| description |
<jats:title>Abstract</jats:title><jats:p>Cystic kidneys of the C57BL/6J‐cpk murine model of polycystic kidney disease show a marked overexpression of the proto‐oncogenes c‐fos, c‐myc, and c‐ki‐ras, consistent with an increased rate of cell proliferation and an altered state of differentiation. To determine if cystic cells have increased responsiveness to stimulation with mitogenic agents, quiescent primary cultures from normal and cystic cpk kidneys were treated with fetal bovine serum (FBS), 8‐bromo‐cAMP (cAMP), or epidermal growth factor (EGF). The level of c‐fos induction following stimulation by FBS was found to be dramatically higher in cystic cells than in normal cells; whereas induction by cAMP or EGF was essentially the same in both cell types and much less than that seen in FBS‐stimulated cells. To determine if this serum hypersensitivity reflects an increased proliferative state in vivo, c‐fos induction was examined in cultures derived from normal kidneys stimulated to regenerate by folic acid‐induced acute renal injury. As with cystic kidneys, the folic acid‐injured kidneys showed increased c‐fos responsiveness to FBS in cell culture. These experiments suggest that cystic and regenerating kidneys have an altered phenotypic state in vivo that is manifested in cell culture by serum hypersensitivity. However, whereas the folic acid‐injured kidneys ultimately reestablish normal kidney function, cystic kidneys further progress to renal failure, suggesting that cystic epithelial cells are locked in this altered state of differentiation. © 1992 Wiley‐Liss, Inc.</jats:p> |
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| author | Rankin, Carolyn A., Grantham, Jared J., Calvet, James P. |
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| description | <jats:title>Abstract</jats:title><jats:p>Cystic kidneys of the C57BL/6J‐cpk murine model of polycystic kidney disease show a marked overexpression of the proto‐oncogenes c‐fos, c‐myc, and c‐ki‐ras, consistent with an increased rate of cell proliferation and an altered state of differentiation. To determine if cystic cells have increased responsiveness to stimulation with mitogenic agents, quiescent primary cultures from normal and cystic cpk kidneys were treated with fetal bovine serum (FBS), 8‐bromo‐cAMP (cAMP), or epidermal growth factor (EGF). The level of c‐fos induction following stimulation by FBS was found to be dramatically higher in cystic cells than in normal cells; whereas induction by cAMP or EGF was essentially the same in both cell types and much less than that seen in FBS‐stimulated cells. To determine if this serum hypersensitivity reflects an increased proliferative state in vivo, c‐fos induction was examined in cultures derived from normal kidneys stimulated to regenerate by folic acid‐induced acute renal injury. As with cystic kidneys, the folic acid‐injured kidneys showed increased c‐fos responsiveness to FBS in cell culture. These experiments suggest that cystic and regenerating kidneys have an altered phenotypic state in vivo that is manifested in cell culture by serum hypersensitivity. However, whereas the folic acid‐injured kidneys ultimately reestablish normal kidney function, cystic kidneys further progress to renal failure, suggesting that cystic epithelial cells are locked in this altered state of differentiation. © 1992 Wiley‐Liss, Inc.</jats:p> |
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| institution | DE-Gla1, DE-Zi4, DE-15, DE-Pl11, DE-Rs1, DE-105, DE-14, DE-Ch1, DE-L229, DE-D275, DE-Bn3, DE-Brt1, DE-D161 |
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| spelling | Rankin, Carolyn A. Grantham, Jared J. Calvet, James P. 0021-9541 1097-4652 Wiley Cell Biology Clinical Biochemistry Physiology http://dx.doi.org/10.1002/jcp.1041520318 <jats:title>Abstract</jats:title><jats:p>Cystic kidneys of the C57BL/6J‐cpk murine model of polycystic kidney disease show a marked overexpression of the proto‐oncogenes c‐fos, c‐myc, and c‐ki‐ras, consistent with an increased rate of cell proliferation and an altered state of differentiation. To determine if cystic cells have increased responsiveness to stimulation with mitogenic agents, quiescent primary cultures from normal and cystic cpk kidneys were treated with fetal bovine serum (FBS), 8‐bromo‐cAMP (cAMP), or epidermal growth factor (EGF). The level of c‐fos induction following stimulation by FBS was found to be dramatically higher in cystic cells than in normal cells; whereas induction by cAMP or EGF was essentially the same in both cell types and much less than that seen in FBS‐stimulated cells. To determine if this serum hypersensitivity reflects an increased proliferative state in vivo, c‐fos induction was examined in cultures derived from normal kidneys stimulated to regenerate by folic acid‐induced acute renal injury. As with cystic kidneys, the folic acid‐injured kidneys showed increased c‐fos responsiveness to FBS in cell culture. These experiments suggest that cystic and regenerating kidneys have an altered phenotypic state in vivo that is manifested in cell culture by serum hypersensitivity. However, whereas the folic acid‐injured kidneys ultimately reestablish normal kidney function, cystic kidneys further progress to renal failure, suggesting that cystic epithelial cells are locked in this altered state of differentiation. © 1992 Wiley‐Liss, Inc.</jats:p> C‐Fos expression is hypersensitive to serum‐stimulation in cultured cystic kidney cells from the C57BL/6J‐cpk mouse Journal of Cellular Physiology |
| spellingShingle | Rankin, Carolyn A., Grantham, Jared J., Calvet, James P., Journal of Cellular Physiology, C‐Fos expression is hypersensitive to serum‐stimulation in cultured cystic kidney cells from the C57BL/6J‐cpk mouse, Cell Biology, Clinical Biochemistry, Physiology |
| title | C‐Fos expression is hypersensitive to serum‐stimulation in cultured cystic kidney cells from the C57BL/6J‐cpk mouse |
| title_full | C‐Fos expression is hypersensitive to serum‐stimulation in cultured cystic kidney cells from the C57BL/6J‐cpk mouse |
| title_fullStr | C‐Fos expression is hypersensitive to serum‐stimulation in cultured cystic kidney cells from the C57BL/6J‐cpk mouse |
| title_full_unstemmed | C‐Fos expression is hypersensitive to serum‐stimulation in cultured cystic kidney cells from the C57BL/6J‐cpk mouse |
| title_short | C‐Fos expression is hypersensitive to serum‐stimulation in cultured cystic kidney cells from the C57BL/6J‐cpk mouse |
| title_sort | c‐fos expression is hypersensitive to serum‐stimulation in cultured cystic kidney cells from the c57bl/6j‐cpk mouse |
| title_unstemmed | C‐Fos expression is hypersensitive to serum‐stimulation in cultured cystic kidney cells from the C57BL/6J‐cpk mouse |
| topic | Cell Biology, Clinical Biochemistry, Physiology |
| url | http://dx.doi.org/10.1002/jcp.1041520318 |