Sökning: "steroid"

Visar resultat 1 - 5 av 371 avhandlingar innehållade ordet steroid.

  1. 1. GABA-steroid effects in healthy subjects and women with polycystic ovary syndrome

    Författare :Helena Hedström; Torbjörn Bäckström; Marie Bixo; Ian Milsom; Umeå universitet; []
    Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; Allopregnanolone; isoallopregnanolone; gonadotropins; GABA-A receptor; women; polycystic ovary syndrome; saccade; obstetrik och gynekologi; Obstetrics and Gynaecology;

    Sammanfattning : Background: The progesterone metabolite allopregnanolone is involved in several clinical conditions in women, e.g. premenstrual dysphoric disorder. It is a very potent GABA-steroid with GABA-A receptor effects similar to other GABA-agonists, e. LÄS MER

  3. 2. Equine glutathione transferase A3-3 : an efficient steroid isomerase

    Författare :Helena Lindström; Bengt Mannervik; Ann-Kristin Östlund Farrants; Stockholms universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Equine; glutatione transferase; steroidogenesis; steroid isomerase; neurokemi med molekylär neurobiologi; Neurochemistry with Molecular Neurobiology;

    Sammanfattning : Glutathione transferases (GSTs) comprise a superfamily of enzymes prominently involved in detoxication by making toxic electrophiles more polar and therefore more easily excretable. However some GSTs have developed alternative functions. LÄS MER

  4. 3. Reliability of steroid radioimmunoassays

    Författare :Sten Z. Cekan; Uppsala universitet; []
    Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; PHARMACY; FARMACI;

    Sammanfattning : .... LÄS MER

  5. 4. Steroid-Metabolizing Cytochrome P450 (CYP) Enzymes in the Maintenance of Cholesterol and Sex Hormone Levels

    Författare :Hanna Pettersson; Maria Norlin; Kjell Wikvall; Paolo Parini; Uppsala universitet; []
    Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; CYP27A1; CYP7B1; cytochrome P450; estrogen receptor; androgen receptor; cholesterol; sex hormone; hydroxylation; steroid metabolism; regulation of steroid levels; Pharmaceutical biochemistry; Farmaceutisk biokemi; Farmaceutisk biokemi; Pharmaceutical Biochemistry;

    Sammanfattning : The enzymes CYP27A1 and CYP7B1 are widely expressed in various human tissues and perform catalytic reactions in cholesterol homeostasis and endocrine signaling. We have investigated the metabolism of a synthetic oxysterol. LÄS MER

  7. 5. Combinatorial Methodology. Screening for affinity specific ligands to biological and artificial receptors

    Författare :Margareta Krook; Tillämpad biokemi; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; peptide library; combinatorial; screening; phage display; affinity; DNA-interaction; chymotrypsin; peptide inhibitor; antibody; IgG; Fc; molecular imprinting; steroid; receptor; Biochemistry; Metabolism; Biokemi; Biotechnology; Bioteknik;

    Sammanfattning : Combinatorial screening methodology has been employed to select new affinity specific ligands to bilogical and artificial receptors. The screening methodology, in particular screening of combinatorial phage display peptide libraries against target molecules differing in function and shape, is focused upon. LÄS MER