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The effect of various concentrations of nucleobases, nucleosides or glutamine on the incorporation of [3H]thymidine into DNA in rat mesenteric-lymph-node lymphocytes stimulated by...
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| Zeitschriftentitel: | Biochemical Journal |
|---|---|
| Personen und Körperschaften: | , |
| In: | Biochemical Journal, 270, 1990, 2, S. 437-440 |
| Format: | E-Article |
| Sprache: | Englisch |
| veröffentlicht: |
Portland Press Ltd.
|
| Schlagwörter: |
| author_facet |
Szondy, Z Newsholme, E A Szondy, Z Newsholme, E A |
|---|---|
| author |
Szondy, Z Newsholme, E A |
| spellingShingle |
Szondy, Z Newsholme, E A Biochemical Journal The effect of various concentrations of nucleobases, nucleosides or glutamine on the incorporation of [3H]thymidine into DNA in rat mesenteric-lymph-node lymphocytes stimulated by phytohaemagglutinin Cell Biology Molecular Biology Biochemistry |
| author_sort |
szondy, z |
| spelling |
Szondy, Z Newsholme, E A 0264-6021 1470-8728 Portland Press Ltd. Cell Biology Molecular Biology Biochemistry http://dx.doi.org/10.1042/bj2700437 <jats:p>1. The rate of [3H]thymidine incorporation into DNA was measured in phytohaemagglutinin-stimulated lymph-node lymphocytes of the rat. 2. Addition of nucleobases or nucleosides to culture medium that already contained 0.2 mM-glutamine had a small stimulatory effect on incorporation. At lower concentrations of glutamine, adenosine (even at 1 microM) caused a marked increase in the rate of incorporation. 3. In the absence of added glutamine, addition of nucleosides or nucleobases markedly increased the rate of incorporation: nucleosides were more effective than nucleobases; and the rate of proliferation in the presence of 10 microM-adenosine plus 10 microM-uridine was similar to that in the presence of optimal concentrations of glutamine. 4. The rate of incorporation was dramatically decreased by an inhibitor of the pathway of pyrimidine nucleotide synthesis de novo. Addition of the pyrimidine nucleosides completely overcame the inhibition; addition of the pyrimidine nucleobases was much less effective. 5. These results indicate that, for proliferation of lymphocytes, glutamine is not essential and can be partially or totally replaced by nucleosides and, to some extent, by nucleobases.</jats:p> The effect of various concentrations of nucleobases, nucleosides or glutamine on the incorporation of [3H]thymidine into DNA in rat mesenteric-lymph-node lymphocytes stimulated by phytohaemagglutinin Biochemical Journal |
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49 |
| title |
The effect of various concentrations of nucleobases, nucleosides or glutamine on the incorporation of [3H]thymidine into DNA in rat mesenteric-lymph-node lymphocytes stimulated by phytohaemagglutinin |
| title_unstemmed |
The effect of various concentrations of nucleobases, nucleosides or glutamine on the incorporation of [3H]thymidine into DNA in rat mesenteric-lymph-node lymphocytes stimulated by phytohaemagglutinin |
| title_full |
The effect of various concentrations of nucleobases, nucleosides or glutamine on the incorporation of [3H]thymidine into DNA in rat mesenteric-lymph-node lymphocytes stimulated by phytohaemagglutinin |
| title_fullStr |
The effect of various concentrations of nucleobases, nucleosides or glutamine on the incorporation of [3H]thymidine into DNA in rat mesenteric-lymph-node lymphocytes stimulated by phytohaemagglutinin |
| title_full_unstemmed |
The effect of various concentrations of nucleobases, nucleosides or glutamine on the incorporation of [3H]thymidine into DNA in rat mesenteric-lymph-node lymphocytes stimulated by phytohaemagglutinin |
| title_short |
The effect of various concentrations of nucleobases, nucleosides or glutamine on the incorporation of [3H]thymidine into DNA in rat mesenteric-lymph-node lymphocytes stimulated by phytohaemagglutinin |
| title_sort |
the effect of various concentrations of nucleobases, nucleosides or glutamine on the incorporation of [3h]thymidine into dna in rat mesenteric-lymph-node lymphocytes stimulated by phytohaemagglutinin |
| topic |
Cell Biology Molecular Biology Biochemistry |
| url |
http://dx.doi.org/10.1042/bj2700437 |
| publishDate |
1990 |
| physical |
437-440 |
| description |
<jats:p>1. The rate of [3H]thymidine incorporation into DNA was measured in phytohaemagglutinin-stimulated lymph-node lymphocytes of the rat. 2. Addition of nucleobases or nucleosides to culture medium that already contained 0.2 mM-glutamine had a small stimulatory effect on incorporation. At lower concentrations of glutamine, adenosine (even at 1 microM) caused a marked increase in the rate of incorporation. 3. In the absence of added glutamine, addition of nucleosides or nucleobases markedly increased the rate of incorporation: nucleosides were more effective than nucleobases; and the rate of proliferation in the presence of 10 microM-adenosine plus 10 microM-uridine was similar to that in the presence of optimal concentrations of glutamine. 4. The rate of incorporation was dramatically decreased by an inhibitor of the pathway of pyrimidine nucleotide synthesis de novo. Addition of the pyrimidine nucleosides completely overcame the inhibition; addition of the pyrimidine nucleobases was much less effective. 5. These results indicate that, for proliferation of lymphocytes, glutamine is not essential and can be partially or totally replaced by nucleosides and, to some extent, by nucleobases.</jats:p> |
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| author | Szondy, Z, Newsholme, E A |
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| description | <jats:p>1. The rate of [3H]thymidine incorporation into DNA was measured in phytohaemagglutinin-stimulated lymph-node lymphocytes of the rat. 2. Addition of nucleobases or nucleosides to culture medium that already contained 0.2 mM-glutamine had a small stimulatory effect on incorporation. At lower concentrations of glutamine, adenosine (even at 1 microM) caused a marked increase in the rate of incorporation. 3. In the absence of added glutamine, addition of nucleosides or nucleobases markedly increased the rate of incorporation: nucleosides were more effective than nucleobases; and the rate of proliferation in the presence of 10 microM-adenosine plus 10 microM-uridine was similar to that in the presence of optimal concentrations of glutamine. 4. The rate of incorporation was dramatically decreased by an inhibitor of the pathway of pyrimidine nucleotide synthesis de novo. Addition of the pyrimidine nucleosides completely overcame the inhibition; addition of the pyrimidine nucleobases was much less effective. 5. These results indicate that, for proliferation of lymphocytes, glutamine is not essential and can be partially or totally replaced by nucleosides and, to some extent, by nucleobases.</jats:p> |
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| physical | 437-440 |
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| spelling | Szondy, Z Newsholme, E A 0264-6021 1470-8728 Portland Press Ltd. Cell Biology Molecular Biology Biochemistry http://dx.doi.org/10.1042/bj2700437 <jats:p>1. The rate of [3H]thymidine incorporation into DNA was measured in phytohaemagglutinin-stimulated lymph-node lymphocytes of the rat. 2. Addition of nucleobases or nucleosides to culture medium that already contained 0.2 mM-glutamine had a small stimulatory effect on incorporation. At lower concentrations of glutamine, adenosine (even at 1 microM) caused a marked increase in the rate of incorporation. 3. In the absence of added glutamine, addition of nucleosides or nucleobases markedly increased the rate of incorporation: nucleosides were more effective than nucleobases; and the rate of proliferation in the presence of 10 microM-adenosine plus 10 microM-uridine was similar to that in the presence of optimal concentrations of glutamine. 4. The rate of incorporation was dramatically decreased by an inhibitor of the pathway of pyrimidine nucleotide synthesis de novo. Addition of the pyrimidine nucleosides completely overcame the inhibition; addition of the pyrimidine nucleobases was much less effective. 5. These results indicate that, for proliferation of lymphocytes, glutamine is not essential and can be partially or totally replaced by nucleosides and, to some extent, by nucleobases.</jats:p> The effect of various concentrations of nucleobases, nucleosides or glutamine on the incorporation of [3H]thymidine into DNA in rat mesenteric-lymph-node lymphocytes stimulated by phytohaemagglutinin Biochemical Journal |
| spellingShingle | Szondy, Z, Newsholme, E A, Biochemical Journal, The effect of various concentrations of nucleobases, nucleosides or glutamine on the incorporation of [3H]thymidine into DNA in rat mesenteric-lymph-node lymphocytes stimulated by phytohaemagglutinin, Cell Biology, Molecular Biology, Biochemistry |
| title | The effect of various concentrations of nucleobases, nucleosides or glutamine on the incorporation of [3H]thymidine into DNA in rat mesenteric-lymph-node lymphocytes stimulated by phytohaemagglutinin |
| title_full | The effect of various concentrations of nucleobases, nucleosides or glutamine on the incorporation of [3H]thymidine into DNA in rat mesenteric-lymph-node lymphocytes stimulated by phytohaemagglutinin |
| title_fullStr | The effect of various concentrations of nucleobases, nucleosides or glutamine on the incorporation of [3H]thymidine into DNA in rat mesenteric-lymph-node lymphocytes stimulated by phytohaemagglutinin |
| title_full_unstemmed | The effect of various concentrations of nucleobases, nucleosides or glutamine on the incorporation of [3H]thymidine into DNA in rat mesenteric-lymph-node lymphocytes stimulated by phytohaemagglutinin |
| title_short | The effect of various concentrations of nucleobases, nucleosides or glutamine on the incorporation of [3H]thymidine into DNA in rat mesenteric-lymph-node lymphocytes stimulated by phytohaemagglutinin |
| title_sort | the effect of various concentrations of nucleobases, nucleosides or glutamine on the incorporation of [3h]thymidine into dna in rat mesenteric-lymph-node lymphocytes stimulated by phytohaemagglutinin |
| title_unstemmed | The effect of various concentrations of nucleobases, nucleosides or glutamine on the incorporation of [3H]thymidine into DNA in rat mesenteric-lymph-node lymphocytes stimulated by phytohaemagglutinin |
| topic | Cell Biology, Molecular Biology, Biochemistry |
| url | http://dx.doi.org/10.1042/bj2700437 |