ZIB

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Specific and rapid assay of urinary oxalic acid using high-performance liquid chromatography

Imaoka, S. ; Funae, Y. ; Sugimoto, T. ; [et al.]

Amsterdam : Elsevier

Analytical Biochemistry 128 (1983), S. 459-464

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ISSN: 0003-2697

Keywords: 9-anthryldiazomethane ; fluorescent derivative ; high-performance liquid chromatography ; oxalic acid ; urine

Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002

Topics: Biology , Chemistry and Pharmacology

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1016/0003-2697(83)90401-3

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Phorbol ester induces desensitization of PTH-stimulated cyclic AMP production by decreasing the PTH receptor binding in UMR-106 cells

Ikeda, K. ; Sugimoto, T. ; Fukase, M. ; [et al.]

Amsterdam : Elsevier

Biochemical and Biophysical Research Communications 176 (1991), S. 764-768

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ISSN: 0006-291X

Keywords: [abr] BSA; bovine serum albumin ; [abr] DMSO; dimethyl sulfoxide ; [abr] IBMX; isobutylmethylxanthine

Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002

Topics: Biology , Chemistry and Pharmacology , Physics

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1016/S0006-291X(05)80250-5

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Phorbol ester induces desensitization of PTH-stimulated cyclic AMP production by decreasing the PTH receptor binding in UMR-106 cells

Ikeda, K. ; Sugimoto, T. ; Fukase, M. ; [et al.]

Amsterdam : Elsevier

Biochemical and Biophysical Research Communications 176 (1991), S. 764-768

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ISSN: 0006-291X

Keywords: [abr] BSA; bovine serum albumin ; [abr] DMSO; dimethyl sulfoxide ; [abr] IBMX; isobutylmethylxanthine

Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002

Topics: Biology , Chemistry and Pharmacology , Physics

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1016/S0006-291X(05)80250-5

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Dissociation of digoxin-like immunoreactivity and Na+,K+-ATPase inhibitory activity in rat plasma (1988)

Yamada, K. ; Goto, A. ; Ishii, M. ; [et al.]

Springer

Cellular and molecular life sciences 44 (1988), S. 992-993

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ISSN: 1420-9071

Keywords: Endogenous digitalis-like factor ; digoxin-like immunoreactivity ; Na+,K+-ATPase inhibitor

Source: Springer Online Journal Archives 1860-2000

Topics: Biology , Medicine

Notes: Summary We measured endogenous digitalis-like factor (EDF) in rat plasma during acute saline infusion by two different procedures. Na+,K+-ATPase inhibitory activity in the rat plasma significantly increased during saline loading (7.8±2.2 vs 2.5±0.9%, with and without acute saline loading, respectively, p〈0.05). On the other hand, the plasma digoxin-like immunoreactivity significantly decreased during acute saline loading (16.9±1.6 vs 32.0±2.8 pg digoxin equivalents/ml. with and without acute saline loading, respectively, p〈0.01). These results indicate that the major substances detected by digoxin-like immunoreactivity and direct Na+,K+-ATPase inhibitory activity are completely different, at least in rat plasma.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1007/BF01939897

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Role of adenosine A1 and A2 receptors in the regulation of aldosterone production in rat adrenal glands (1990)

Matsuoka, H. ; Yamada, K. ; Atarashi, K. ; [et al.]

Springer

Cellular and molecular life sciences 46 (1990), S. 726-728

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ISSN: 1420-9071

Keywords: Aldosterone ; cyclic AMP ; adenosine ; adenosine A1 ; receptor ; adenosine A2 receptor

Source: Springer Online Journal Archives 1860-2000

Topics: Biology , Medicine

Notes: Summary To investigate the roles of adenosine A1 and A2 receptors in the regulation of aldosterone production, we examined the effects of adenosine and adenosine agonists (N6-cyclohexyl adenosine; selective adenosine A1 receptor agonist and 5′-N-ethylcarboxamine adenosine; selective adenosine A2 receptor agonist) on aldosterone and cyclic AMP production in rat adrenal capsular cells. Neither adenosine nor 5′-N-ethylcarboxamine adenosine caused significant effects on basal aldosterone or cyclic AMP production. Also, adenosine (10−3M) showed no consistent effects on aldosterone and cyclic AMP production induced by ACTH. On the other hand, N6-cyclohexyl adenosine exhibited a significant inhibition of basal aldosterone and cyclic AMP production at doses of 10−4 M and 10−3 M; furthermore, 10−3 M N6-cyclohexyl adenosine inhibited aldosterone and cyclic AMP production stimulated by ACTH. These results suggest that adenosine A1 receptors are coupled to and inhibit adenylate cyclase and may be involved in the inhibition of aldosterone production.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1007/BF01939947

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Further evidence for the dissociation of digoxin-like immunoreactivity from Na+, K+-ATPase inhibitory activity (1990)

Yamada, K. ; Goto, A. ; Ishii, M. ; [et al.]

Springer

Cellular and molecular life sciences 46 (1990), S. 1041-1043

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ISSN: 1420-9071

Keywords: Endogenous digitalis-like factor ; digoxin-like immunoreactivity ; Na+, K+-ATPase inhibitor ; adrenalectomy

Source: Springer Online Journal Archives 1860-2000

Topics: Biology , Medicine

Notes: Summary The effects of adrenalectomy or nephrectomy, carried out one hour previously, on the levels of endogenous digitalis-like factors were determined in rat plasma. Factors were assayed by digoxin-like immunoreactivity and direct Na+, K+-ATPase inhibitory activity. Digoxin-like immunoreactivity significantly decreased one hour after bilateral ablation of adrenals, while Na+, K+-ATPase inhibitory activity remained unaltered. There were no changes in either activity one hour after bilateral nephrectomy. These results suggest that digoxin-like immunoreactivity may be derived from the adrenal gland or under adrenal control and the major substances detected by digoxin-like immunoreactivity and direct Na+, K+-ATPase inhibitory activity may be different.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1007/BF01940667

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