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Digitale Medien

Aspergillosis of the sphenoid sinus simulating a pituitary tumor (1989)

Larrañaga, J. ; Fandino, J. ; Gomez-Bueno, J. ; [weitere]

Springer

Neuroradiology 31 (1989), S. 362-363

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ISSN: 1432-1920

Schlagwort(e): Aspergillosis ; Pituitary abscess ; Trans-sphenoidal surgery

Quelle: Springer Online Journal Archives 1860-2000

Thema: Medizin

Notizen: Summary Sphenoidal aspergillosis is an unusual cause of sella turcica enlargement. Pituitary abscess secondary to Aspergillus had been reported. In the present case, a woman with sphenoid sinus aspergillosis mimicked a pituitary tumor. This patient survived her infection with intact pituitary function following a transsphenoidal approach. No postoperative amphotericine-B and 5-fluorocytosine were necessary. CT scan revealed a mass occupying the sphenoid sinus extending to the sella turcica. Factors that should alert the clinican to the presence of a sphenoidal and pituitary abscess in a patient with sella turcica enlargement are prior episodes of sinusitis, meningitis and immunosuppression and, as in the present case, hyperglycemia.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1007/BF00344187

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Digitale Medien

Effect of abscisic and gibberellic acids on malate synthase transcripts in germinating castor bean seeds (1987)

Rodriguez, D. ; Dommes, J. ; Northcote, D. H.

Springer

Plant molecular biology 9 (1987), S. 227-235

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ISSN: 1573-5028

Schlagwort(e): malate synthase cDNA ; castor bean ; transcription ; gibberellic acid ; abscisic acid

Quelle: Springer Online Journal Archives 1860-2000

Thema: Biologie

Notizen: Abstract Several clones complementary to malate synthase mRNA have been identified in a complementary-DNA library to mRNA from castor bean endosperm. One of these clones has been used as a probe to measure levels of transcripts during seed germination and the effects of gibberellic acid and abscisic acid on these levels have been examined. Malate synthase transcripts increased during germination and GA3 advanced their appearance in the endosperm. Exogenously applied ABA inhibited the accumulation of transcripts over a time course of germination but the addition of GA3 counteracted its inhibitory effects. The data confirmed previous reports which indicated that the action of both growth regulators was on transcript accumulation and that there is a coordinated induction of the enzymes involved in the lipid metabolism in oil seeds.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1007/BF00166459

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