The response of C19-and some C21-steroids during Synacthen and insulin tolerance test

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216208%3A11110%2F18%3A10382018" target="_blank" >RIV/00216208:11110/18:10382018 - isvavai.cz</a>

Nalezeny alternativní kódy

RIV/00023761:_____/18:N0000025 RIV/00064165:_____/18:10382018

Výsledek na webu

<a href="https://doi.org/10.1016/j.steroids.2018.01.009" target="_blank" >https://doi.org/10.1016/j.steroids.2018.01.009</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1016/j.steroids.2018.01.009" target="_blank" >10.1016/j.steroids.2018.01.009</a>

Jazyk výsledku

angličtina

Název v původním jazyce

The response of C19-and some C21-steroids during Synacthen and insulin tolerance test

Popis výsledku v původním jazyce

Testing of the adrenal function with ACTH 1-24 (Synacthen test) or insulin (insulin tolerance test-ITT) is commonly used. The question of ongoing debate is the dose of Synacthen. Moreover, it may be important from the physiological point of view besides measurement of cortisol levels and 17 alpha-hydroxy-progesterone to know also the response of other steroids to these test. The plasma levels of 24 free steroids and their polar conjugates were followed after stimulation of 1 mu g, 10 mu g and 250 mu g of ACTH 1-24 and after insulin administration in thirteen healthy subjects. The study aimed to describe a response of steroid metabolome to various doses of ACTH 1-24 and to find the equivalency of these tests. The additional ambition was to contribute to understanding of physiology of these stimulation tests and suggest an additional marker for HPA axis evaluation. No increase of most conjugated steroids and even decrease of some of them during all of the Synacthen tests and ITT at 60th mM were observed. The levels of steroid conjugates decreased in ITT but did not during all of the Synacthen tests by 20 mM of each test. Testosterone and estradiol did not increase during the Synacthen tests or ITT as expected. The results suggest that the conjugated steroids in the circulation can serve as reserve stock for rapid conversion into free steroids in the first minutes of the stress situation. Various doses of ACTH 1-24 used in the Synacthen tests implicate earlier or later occurrence of maximal response of stimulated steroids. The equivalent dose to ITT and standard 250 mu g of ACTH 1-24 seemed to be dose of 10 mu g ACTH 1-24 producing the similar response in all of the steroids in the 60th min of the test.

Název v anglickém jazyce

The response of C19-and some C21-steroids during Synacthen and insulin tolerance test

Popis výsledku anglicky

Testing of the adrenal function with ACTH 1-24 (Synacthen test) or insulin (insulin tolerance test-ITT) is commonly used. The question of ongoing debate is the dose of Synacthen. Moreover, it may be important from the physiological point of view besides measurement of cortisol levels and 17 alpha-hydroxy-progesterone to know also the response of other steroids to these test. The plasma levels of 24 free steroids and their polar conjugates were followed after stimulation of 1 mu g, 10 mu g and 250 mu g of ACTH 1-24 and after insulin administration in thirteen healthy subjects. The study aimed to describe a response of steroid metabolome to various doses of ACTH 1-24 and to find the equivalency of these tests. The additional ambition was to contribute to understanding of physiology of these stimulation tests and suggest an additional marker for HPA axis evaluation. No increase of most conjugated steroids and even decrease of some of them during all of the Synacthen tests and ITT at 60th mM were observed. The levels of steroid conjugates decreased in ITT but did not during all of the Synacthen tests by 20 mM of each test. Testosterone and estradiol did not increase during the Synacthen tests or ITT as expected. The results suggest that the conjugated steroids in the circulation can serve as reserve stock for rapid conversion into free steroids in the first minutes of the stress situation. Various doses of ACTH 1-24 used in the Synacthen tests implicate earlier or later occurrence of maximal response of stimulated steroids. The equivalent dose to ITT and standard 250 mu g of ACTH 1-24 seemed to be dose of 10 mu g ACTH 1-24 producing the similar response in all of the steroids in the 60th min of the test.

Druh

J_imp - Článek v periodiku v databázi Web of Science

CEP obor

—

OECD FORD obor

10608 - Biochemistry and molecular biology

Projekt

—

Návaznosti

I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Rok uplatnění

2018

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název periodika

Steroids

ISSN

0039-128X

e-ISSN

—

Svazek periodika

139

Číslo periodika v rámci svazku

November

Stát vydavatele periodika

US - Spojené státy americké

Počet stran výsledku

7

Strana od-do

53-59

Kód UT WoS článku

000448101100007

EID výsledku v databázi Scopus

2-s2.0-85045438164