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Sammanfattning

In the present study a serum-free primary culture of pituitary cells was used to study the direct effect of insulin-like growth factors (IGFs) on gonadotropin gene expression in immature Atlantic salmon. Treatment with IGF I increased the expression of the luteinizing hormone (LH) beta subunit in a dose-dependent manner. IGF I and IGF II had similar potencies, but insulin was less effective in stimulating LH-beta subunit expression. On the other hand, IGFs or insulin had no effect on the expression of the follicle-stimulating hormone (FSH) beta-subunit. The results indicate that the stimulatory effect of IGF I on LH synthesis is exerted through a specific increase of the transcription level of the LH beta subunit

Publicerad i

Fish Physiology and Biochemistry
2003, volym: 28, nummer: 1-4, sidor: 105-106
Utgivare: KLUWER ACADEMIC PUBL

SLU författare

  • Schmitz, Monica

    • Institutionen för vattenbruk, Sveriges lantbruksuniversitet

UKÄ forskningsämne

Fisk- och akvakulturforskning

Publikationens identifierare

  • DOI: https://doi.org/10.1023/B:FISH.0000030491.40805.96

Permanent länk till denna sida (URI)

https://res.slu.se/id/publ/4285