Biomaterial Database

Plasma renin activity and angiotensin II during oral contraception. 1977

P Soveri, and F Fyhrquist

Plasma renin activity (PRA) and angiotensin II (A II) concentrations were measured in the first and second half of the menstrual cycle for four months in 27 healthy young women, in three groups. During month II and III group I received lynestrenol 0.5 mg, group II lynestrenol 0.5 mg + ethinyl estradiol 0.05 mg and group III d-norgestrel 0.25 mg + ethinyl estradiol 0.05 mg as contraceptive treatment. In group I no changes of PRA or A II were observed. In group II and III both PRA and A II rose significantly during oral contraceptive treatment. Progestagens may offer an advantage as they do not stimulate the renin-angiotensin axis.

UI	MeSH Term	Description	Entries
D008234	Lynestrenol	A synthetic progestational hormone used often in mixtures with estrogens as an oral contraceptive (CONTRACEPTIVES, ORAL).	19-Norpregn-4-en-20-yn-17-ol, (17alpha)-,Ethinylestrenol,Exluton,Linesterol,Linestrenol,Lynestrenol, (9 beta, 10 alpha,17 alpha)-Isomer,Lynoestrenol
D008598	Menstruation	The periodic shedding of the ENDOMETRIUM and associated menstrual bleeding in the MENSTRUAL CYCLE of humans and primates. Menstruation is due to the decline in circulating PROGESTERONE, and occurs at the late LUTEAL PHASE when LUTEOLYSIS of the CORPUS LUTEUM takes place.
D012083	Renin	A highly specific (Leu-Leu) endopeptidase that generates ANGIOTENSIN I from its precursor ANGIOTENSINOGEN, leading to a cascade of reactions which elevate BLOOD PRESSURE and increase sodium retention by the kidney in the RENIN-ANGIOTENSIN SYSTEM. The enzyme was formerly listed as EC 3.4.99.19.	Angiotensin-Forming Enzyme,Angiotensinogenase,Big Renin,Cryorenin,Inactive Renin,Pre-Prorenin,Preprorenin,Prorenin,Angiotensin Forming Enzyme,Pre Prorenin,Renin, Big,Renin, Inactive
D004997	Ethinyl Estradiol	A semisynthetic alkylated ESTRADIOL with a 17-alpha-ethinyl substitution. It has high estrogenic potency when administered orally, and is often used as the estrogenic component in ORAL CONTRACEPTIVES.	19-Norpregna-1,3,5(10)-trien-20-yne-3,17-diol, (17alpha)-,Ethynyl Estradiol,Estinyl,Ethinyl Estradiol Hemihydrate,Ethinyl Estradiol, (8 alpha)-Isomer,Ethinyl Estradiol, (8 alpha,17 alpha)-Isomer,Ethinyl Estradiol, (8 alpha,9 beta,13 alpha,14 beta)-Isomer,Ethinyl Estradiol, (9 beta,17 alpha)-Isomer,Ethinyl-Oestradiol Effik,Ethinylestradiol Jenapharm,Ethinyloestradiol,Lynoral,Microfollin,Microfollin Forte,Progynon C,Estradiol, Ethinyl,Estradiol, Ethynyl,Ethinyl Oestradiol Effik,Hemihydrate, Ethinyl Estradiol,Jenapharm, Ethinylestradiol
D005260	Female		Females
D006801	Humans	Members of the species Homo sapiens.	Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000328	Adult	A person having attained full growth or maturity. Adults are of 19 through 44 years of age. For a person between 19 and 24 years of age, YOUNG ADULT is available.	Adults
D000804	Angiotensin II	An octapeptide that is a potent but labile vasoconstrictor. It is produced from angiotensin I after the removal of two amino acids at the C-terminal by ANGIOTENSIN CONVERTING ENZYME. The amino acid in position 5 varies in different species. To block VASOCONSTRICTION and HYPERTENSION effect of angiotensin II, patients are often treated with ACE INHIBITORS or with ANGIOTENSIN II TYPE 1 RECEPTOR BLOCKERS.	Angiotensin II, Ile(5)-,Angiotensin II, Val(5)-,5-L-Isoleucine Angiotensin II,ANG-(1-8)Octapeptide,Angiotensin II, Isoleucine(5)-,Angiotensin II, Valine(5)-,Angiotensin-(1-8) Octapeptide,Isoleucine(5)-Angiotensin,Isoleucyl(5)-Angiotensin II,Valyl(5)-Angiotensin II,5 L Isoleucine Angiotensin II,Angiotensin II, 5-L-Isoleucine