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Sökning: WFRF:(Landen M) > (2000-2004) > (2001)

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  • Landén, Mikael, et al. (författare)
  • Compounds with affinity for serotonergic receptors in the treatment of premenstrual dysphoria: a comparison of buspirone, nefazodone and placebo.
  • 2001
  • Ingår i: Psychopharmacology. - 0033-3158. ; 155:3, s. 292-8
  • Tidskriftsartikel (refereegranskat)abstract
    • RATIONALE: It is well established that serotonin reuptake inhibitors (SRIs) are effective for the treatment of premenstrual dysphoria (PMD), but the receptor subtype(s) mediating this effect of serotonin have yet not been identified. OBJECTIVE: In this trial, the possible efficacy of buspirone, a partial 5HT1A receptor agonist, and nefazodone, a combined SRI and 5HT2 receptor antagonist, was evaluated in women with PMD. METHODS: After a three-menstrual-cycle screening phase, patients were randomised to buspirone (n=19), nefazodone (n=22) or placebo (n=22). During the first two treatment cycles, patients were taking the drug during the luteal phase only (mean +/- SD daily dose of buspirone: 21 +/- 6 mg; nefazodone: 228 +/- 54 mg). During the subsequent two cycles, the medication was taken each day of the menstrual cycle (mean daily dose of buspirone: 27 +/- 10 mg; nefazodone: 304 +/- 95 mg). RESULTS: With respect to self-rated global improvement, buspirone (P<0.001) but not nefazodone was significantly superior to placebo. While buspirone appeared to reduce self-rated irritability (visual analogue scale) more effectively than placebo, other self-rated symptoms did not differ markedly between the groups. The side-effects were mild, and sexual dysfunction was not significantly more common in patients given buspirone or nefazodone than in those given placebo. CONCLUSION: It is suggested that buspirone is mildly effective for premenstrual irritability. In patients experiencing sexual dysfunction when treated with an SRI, buspirone may be a useful alternative.
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  • Melke, Jonas, 1971-, et al. (författare)
  • Serotonin transporter gene polymorphisms are associated with anxiety-related personality traits in women.
  • 2001
  • Ingår i: American journal of medical genetics. - 0148-7299. ; 105:5, s. 458-63
  • Tidskriftsartikel (refereegranskat)abstract
    • Several studies have reported an association between anxiety-related personality traits and a promoter polymorphism in the human serotonin transporter (5-HTT) gene (5-HTT gene-linked polymorphic region, 5-HTTLPR). In the present study, a population of 251 subjects was assessed with the Karolinska Scales of Personality (KSP) and genotyped both for the 5-HTTLPR and for a variable number of tandem repeats polymorphism in the second intron of the same gene. The interpretation of previous studies has to some extent been confounded by the studied subjects differing with respect to ethnicity, sex, and age. To circumvent this problem, all included subjects were Caucasians, women, and born in the same year (1956). Associations were found between the 5-HTTLPR and four of the five anxiety-related KSP scales (psychic anxiety, muscular tension, psychasthenia, and lack of assertiveness), subjects being homozygous for the short allele displaying higher anxiety scores than those of the long/long or long/short genotype. In addition, an association was found between the intron 2 polymorphism and one anxiety-related personality trait (somatic anxiety).
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  • Westberg, Lars, 1973-, et al. (författare)
  • Polymorphisms of the androgen receptor gene and the estrogen receptor beta gene are associated with androgen levels in women.
  • 2001
  • Ingår i: The Journal of clinical endocrinology and metabolism. - 0021-972X. ; 86:6, s. 2562-8
  • Tidskriftsartikel (refereegranskat)abstract
    • To elucidate the possible role of genetic variation in androgen receptor (AR), estrogen receptor alpha (ER alpha), and ER beta on serum androgen levels in premenopausal women, the CAG repeat polymorphism of the AR gene, the TA repeat polymorphism of the ER alpha gene, and the CA repeat polymorphism of the ER beta gene were studied in a population-based cohort of 270 women. Total testosterone, free testosterone, dehydroepiandrosterone sulfate, androstenedione, 17-hydroxyprogesterone, 3 alpha-androstanediol glucuronide, 17 beta-estradiol, LH, FSH, and sex steroid hormone-binding globulin (SHBG) were measured in serum samples obtained in the follicular phase of the menstrual cycle. Women with relatively few CAG repeats in the AR gene, resulting in higher transcriptional activity of the receptor, displayed higher levels of serum androgens, but lower levels of LH, than women with longer CAG repeat sequences. The CA repeat of the ER beta gene also was associated with androgen and SHBG levels; women with relatively short repeat regions hence displayed higher hormone levels and lower SHBG levels than those with many CA repeats. In contrast, the TA repeat of the ER alpha gene was not associated with the levels of any of the hormones measured. Our results suggest that the serum levels of androgens in premenopausal women may be influenced by variants of the AR gene and the ER beta gene, respectively.
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