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Pregled bibliografske jedinice broj: 22997

Alpha- and LHbeta-subunits in vivo and in vitro in patients with nonfunctioning pituitary adenomas


Breskovac, Ljiljana; Plavšić, Vesna; Tomašić, Jelka; Koršić, Mirko; Žarković, Kamelija; Žarković, Neven; Giljević, Zlatko; Vranešić, Branka
Alpha- and LHbeta-subunits in vivo and in vitro in patients with nonfunctioning pituitary adenomas // Abstracts of the IVth European Congress of Endocrinology ; P1 / Sanchez-Franco, F. ; Wass, J.A.H. (ur.).
Sevilla: BioScientifica, 1998. str. 343-343 (poster, međunarodna recenzija, sažetak, znanstveni)


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Naslov
Alpha- and LHbeta-subunits in vivo and in vitro in patients with nonfunctioning pituitary adenomas

Autori
Breskovac, Ljiljana ; Plavšić, Vesna ; Tomašić, Jelka ; Koršić, Mirko ; Žarković, Kamelija ; Žarković, Neven ; Giljević, Zlatko ; Vranešić, Branka

Vrsta, podvrsta i kategorija rada
Sažeci sa skupova, sažetak, znanstveni

Izvornik
Abstracts of the IVth European Congress of Endocrinology ; P1 / Sanchez-Franco, F. ; Wass, J.A.H. - Sevilla : BioScientifica, 1998, 343-343

Skup
European Congress of Endocrinology (4 ; 1998)

Mjesto i datum
Sevilla, Španjolska, 09.-13.05.1998

Vrsta sudjelovanja
Poster

Vrsta recenzije
Međunarodna recenzija

Ključne riječi
TRH test; nonfunctioning pituitary adenomas; alpha and LH beta subunits

Sažetak
Paradoxical responses of gonadotropins and their subunits to TRH have been reported in patients with clinically nonfunctioning pituitary adenomas (NFPA). In the present study we have made an in-house RIA for measuring of LHbeta-subunit. Reagents were donated by NIH, Bethesda, USA. We have measured LHbeta and alpha-subunit (alpha-SU) responses to TRH in 33 patients with NFPA and their concentrations in cell culture media in 9 NFPA. The control group were 6 patients without evidence of pituitary adenoma. Thirteen of 33 patients (39.4 posto) had significant serum LHbeta responses to TRH and 18/33 (54.5 posto) had significant alpha-SU responses. Six of nine (66.7 posto) cultivated NFPA secreted LHbeta and 8/9 (88.8 posto) secreted alpha-SU into the cell culture media. A significant correlation was obtained between the quantity of alpha-SU secreted in vitro and the maximal percent response to TRH in vivo. The results indicate that the majority of NFPA (75.8 posto) can be recognized as of gonadotroph origin by a combination of LHbeta and/or alpha-SU response to TRH. All patients who had responded to TRH in vivo secreted gonadotropin subunits in vitro.

Izvorni jezik
Engleski

Znanstvena područja
Temeljne medicinske znanosti, Kliničke medicinske znanosti



POVEZANOST RADA


Projekti:
021002
108116

Ustanove:
Medicinski fakultet, Zagreb


Citiraj ovu publikaciju:

Breskovac, Ljiljana; Plavšić, Vesna; Tomašić, Jelka; Koršić, Mirko; Žarković, Kamelija; Žarković, Neven; Giljević, Zlatko; Vranešić, Branka
Alpha- and LHbeta-subunits in vivo and in vitro in patients with nonfunctioning pituitary adenomas // Abstracts of the IVth European Congress of Endocrinology ; P1 / Sanchez-Franco, F. ; Wass, J.A.H. (ur.).
Sevilla: BioScientifica, 1998. str. 343-343 (poster, međunarodna recenzija, sažetak, znanstveni)
Breskovac, L., Plavšić, V., Tomašić, J., Koršić, M., Žarković, K., Žarković, N., Giljević, Z. & Vranešić, B. (1998) Alpha- and LHbeta-subunits in vivo and in vitro in patients with nonfunctioning pituitary adenomas. U: Sanchez-Franco, F. & Wass, J. (ur.)Abstracts of the IVth European Congress of Endocrinology ; P1.
@article{article, author = {Breskovac, Ljiljana and Plav\v{s}i\'{c}, Vesna and Toma\v{s}i\'{c}, Jelka and Kor\v{s}i\'{c}, Mirko and \v{Z}arkovi\'{c}, Kamelija and \v{Z}arkovi\'{c}, Neven and Giljevi\'{c}, Zlatko and Vrane\v{s}i\'{c}, Branka}, year = {1998}, pages = {343-343}, keywords = {TRH test, nonfunctioning pituitary adenomas, alpha and LH beta subunits}, title = {Alpha- and LHbeta-subunits in vivo and in vitro in patients with nonfunctioning pituitary adenomas}, keyword = {TRH test, nonfunctioning pituitary adenomas, alpha and LH beta subunits}, publisher = {BioScientifica}, publisherplace = {Sevilla, \v{S}panjolska} }
@article{article, author = {Breskovac, Ljiljana and Plav\v{s}i\'{c}, Vesna and Toma\v{s}i\'{c}, Jelka and Kor\v{s}i\'{c}, Mirko and \v{Z}arkovi\'{c}, Kamelija and \v{Z}arkovi\'{c}, Neven and Giljevi\'{c}, Zlatko and Vrane\v{s}i\'{c}, Branka}, year = {1998}, pages = {343-343}, keywords = {TRH test, nonfunctioning pituitary adenomas, alpha and LH beta subunits}, title = {Alpha- and LHbeta-subunits in vivo and in vitro in patients with nonfunctioning pituitary adenomas}, keyword = {TRH test, nonfunctioning pituitary adenomas, alpha and LH beta subunits}, publisher = {BioScientifica}, publisherplace = {Sevilla, \v{S}panjolska} }




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