| 1. |
- Hammar, Mats, 1950-, et al.
(författare)
-
A long-term follow-up study of men born with very low birth weight and their reproductive hormone profile
- 2018
-
Ingår i: Systems biology in reproductive medicine. - : Taylor & Francis. - 1939-6376 .- 1939-6368. ; 64:3, s. 207-215
-
Tidskriftsartikel (refereegranskat)abstract
- Environmental factors during the fetal period may adversely affect reproductive functions in men being born with very low birth weight (VLBW, <1500 g). The objective of this prospective, controlled cohort study was to investigate if VLBW men have an altered reproductive hormone profile compared with men born at term. The study group initially consisted of all VLBW boys live-born between 1 February 1987 and 30 April 1988 in the south-east region of Sweden (n = 47). A control child was chosen born at term, at the same hospital, with the same parity, without malformations, and next in order after each VLBW child who survived the first four weeks (n = 45). The present follow-up was performed when the men were 26-28 years of age and included measurements of serum hormone levels, hair testosterone concentration, and anthropometric data. Also life-style questionnaires were collected from 26 VLBW men and 19 controls. The VLBW group (n = 26) had higher median levels of serum estradiol, 84.5 pmol/L than controls (n = 19), 57.5 pmol/L (p = 0.008). There was no significant correlation between serum estradiol and BMI (r = 0.06, p = 0.74). There were no differences in other hormone levels or the reproductive pattern between the groups. In conclusion, even though there was a statistically significant difference in estradiol levels between the groups, both groups had low normal mean levels of questionable clinical significance. The reproductive pattern was similar in the two groups and in this study being born VLBW does not seem to affect these measured aspects of reproduction.ABBREVIATIONS: ADHD: attention deficit hyperactive disorder; AGA: average for gestational age; BMI: body mass index; CP: cerebral palsy; DHT: dihydrotestosterone; FSH: follicle stimulating hormone; LBW: low birth weight; LH: luteinizing hormone; SAD: sagittal abdominal diameter; SGA: small for gestational age; SHBG: sex hormone binding globulin; TSH: thyroid stimulating hormone; T3: triiodothyronine; T4: thyroxin; VLBW: very low birth weight.
|
|
| 2. |
- Leijon, Ingemar, 1942-, et al.
(författare)
-
God prognos för unga vuxna med mycket låg födelsevikt [Follow-up study of very low birthweight children in Sweden at the age of 27-28]
- 2020
-
Ingår i: Läkartidningen. - Stockholm, Sweden : Sveriges Läkarförbund. - 0023-7205 .- 1652-7518. ; 117
-
Tidskriftsartikel (refereegranskat)abstract
- Studies show that very low birthweight can be an important risk factor for mental problems, disturbed fertility and neuroendocrine dysregulation. In a regional long-term study 56 of 86 adult individuals 27 to 28 years of age with a very low birthweight were compared with normal birthweight controls. Analyses of self-reported mental health, socio-demographic factors, sex hormone levels, and hair cortisol levels showed no significant differences between the groups. However, in order to analyse subgroups with different risk factors from the newborn period or children with a variety of social background factors, larger patient groups are needed.
|
|
| 3. |
- Leijon, Ingemar, 1942-, et al.
(författare)
-
Self-reported mental health and cortisol activity at 27-28 years of age in individuals born with very low birthweight
- 2020
-
Ingår i: Acta Paediatrica. - : Wiley-Blackwell Publishing Inc.. - 0803-5253 .- 1651-2227. ; 109:5, s. 948-958
-
Tidskriftsartikel (refereegranskat)abstract
- AimTo assess mental health outcomes of very low birthweight (VLBW, <1500 g) subjects to adulthood and to examine salivary cortisol and hair cortisol levels and their relation to birth characteristics and mental health.MethodsA Swedish regional cohort of 56 VLBW subjects and 55 full‐term controls were assessed at the ages 27‐28 with adult self‐reported scales and the mean of 2 days diurnal salivary cortisol and hair cortisol. The cohorts had been assessed at 15 years of age with youth self‐reported scales.ResultsThere were no differences between the groups in youth self‐reported scales and adult self‐reported scores. The 24 participating VLBW girls scored lower on youth self‐reported scales externalising and total problem scores than the control girls. In adulthood, the 21 participating VLBW women had significantly higher morning concentrations of salivary cortisol than control women, P = .014. No significant associations were found between cortisol concentrations and adult self‐reported scales internalising, externalising and total scores.ConclusionSelf‐reported mental health in VLBW subjects was comparable with normal birthweight controls indicating a satisfying transition from adolescence to adulthood. VLBW females had higher morning salivary cortisol concentrations, suggesting a gender difference. We found no correlations between cortisol and mental health.
|
|
| 4. |
- Rugarn, Olof, et al.
(författare)
-
Progesterone and norethisterone have different effects on tachykinin-like immunoreactivity in rat cortex and striatum
- 2001
-
Ingår i: Regulatory Peptides. - 0167-0115 .- 1873-1686. ; 101:1-3, s. 87-91
-
Tidskriftsartikel (refereegranskat)abstract
- Objective: The purpose of this study was to investigate the effects of progesterone and the most commonly prescribed synthetic progestogen, norethisterone, on regional immune-like reactivity of neuropeptide Y (NPY), substance P (SP), neurokinin A (NKA) and neurotensin (NT) in brains of female ovariectomized estradiol-substituted rats.Results: Norethisterone+estradiol-treated rats had 44% lower SP levels compared with estradiol-only-treated in frontal cortex and 20% lower NKA levels in comparison with progesterone+estradiol-treated in frontal cortex. Progesterone+estradiol-treated rats had 66% lower SP levels in striatum in comparison with both estradiol-only-treated and norethisterone+estradiol-treated. No significant results were found for NPY and NT.Conclusion: Progesterone and the synthetic progestogen, norethisterone, have different effects on SP- and NKA-like immunoreactivity in rat cortex and striatum.The effects of NET on SP- and NKA-like immunoreactivity in frontal cortex may contribute to the mood effects ascribed to this progestogen in clinical usage.
|
|
| 5. |
- Spetz, Anna-Clara, 1973-, et al.
(författare)
-
Calcitonin gene-related peptide during sweating in young healthy women
- 2005
-
Ingår i: Gynecologic and Obstetric Investigation. - : S. Karger AG. - 0378-7346 .- 1423-002X. ; 60:3, s. 149-153
-
Tidskriftsartikel (refereegranskat)abstract
- Calcitonin gene-related peptide (CGRP) concentrations are increased in postmenopausal women and castrated men with symptomatic flushing. We wanted to determine if a CGRP increase exists in the plasma of healthy fertile-age women during sweating. Plasma concentrations of CGRP were measured by radioimmunoassay at maximal sweating during a sauna session and during bicycle exercise both at maximal and 70% of maximal work capacity in 8 healthy women of fertile age. Plasma concentrations of CGRP were unaffected (>90% statistical power) during both experimental sessions. We suggest that sweating itself does not expiai n the rise in CGRP concentrations observed in flushing postmenopausal women. Copyright © 2005 S. Karger AG.
|
|
| 6. |
- Spetz, Anna-Clara, 1973-, et al.
(författare)
-
Momentary increase in plasma calcitonin gene-related peptide is involved in hot flashes in men treated with castration for carcinoma of the prostate
- 2001
-
Ingår i: Journal of Urology. - 0022-5347 .- 1527-3792. ; 166:5, s. 1720-1723
-
Tidskriftsartikel (refereegranskat)abstract
- PurposeIn women the vasodilatory neuropeptides calcitonin gene-related peptide and neuropeptide Y seem to be involved in menopausal hot flashes. We assessed whether plasma calcitonin gene-related peptide and neuropeptide Y change during hot flashes in men after castration.Materials and MethodsWe evaluated 10 men 61 to 81 years old who underwent castration due to cancer of the prostate and had frequent hot flashes for changes in plasma calcitonin gene-related peptide and neuropeptide Y during 1 day at the outpatient clinic. At least 5 blood samples were obtained between flashes and 4 were obtained during each flash. The samples were analyzed for calcitonin gene-related peptide and neuropeptide Y using radioimmunoassay technique. Hot flashes were objectively recorded by measuring peripheral skin temperature and skin conductance.ResultsPlasma calcitonin gene-related peptide increased 46% (95% confidence interval 21 to 71) during flashes in the 6 men in whom it was measurable. This change was statistically significant (p = 0.028). The concentration of neuropeptide Y was below the detection limit. Skin conductance and temperature increased significantly during flashes.ConclusionsCalcitonin gene-related peptide is involved in the mechanisms of hot flashes in men who underwent castration due to prostate carcinoma. Thus, there may be a similar mechanism of hot flashes in women and in men deprived of sex steroids.
|
|
| 7. |
- Spetz, Anna-Clara, 1973-, et al.
(författare)
-
Testosterone correlated to symptoms of partial androgen deficiency in aging men (PADAM) in an elderly Swedish population
- 2007
-
Ingår i: Menopause. - : Ovid Technologies (Wolters Kluwer Health). - 1072-3714 .- 1530-0374. ; 14:6, s. 999-1005
-
Tidskriftsartikel (refereegranskat)abstract
- OBJECTIVE: To investigate the prevalence of different symptoms of partial androgen deficiency in aging men (PADAM) and to correlate them with blood concentrations of testosterone and bioavailable testosterone. DESIGN: A total of 370 men, aged 55 to 75 years, were invited to one of three primary healthcare centers in Sweden. They were asked to complete a questionnaire regarding demographic data, medical history, mood status, medication, castration therapy and smoking, exercise and alcohol habits, as well as different symptoms of PADAM. The 10 questions from a previously used questionnaire (the ADAM questionnaire) were included. The men were offered blood tests for analyses of testosterone, follicle stimulating hormone, luteinizing hormone, steroid hormone-binding globulin, and albumin. From these test results, we calculated the bioavailable testosterone. RESULTS: Of the questionnaires sent out, 81.6% were returned and eligible for evaluation. Blood samples were obtained from 85.8% of men answering the questionnaire. Many of the symptoms, including five from the ADAM questionnaire, were more common in older age groups (P < 0.05). Three symptoms, deterioration in work performance, decreased strength and/or endurance, and bothersome hot flushes, were associated with low bioavailable testosterone and/or testosterone (P < 0.05). Testosterone and bioavailable testosterone did not differ between age groups, but bioavailable testosterone was higher in men with three or fewer symptoms on the ADAM questionnaire. CONCLUSIONS: Symptoms associated with PADAM often occur in an elderly population, but we could only find an association between three symptoms and blood testosterone concentrations, one being bothersome hot flushes. It is likely that these symptoms have a more complex background than only PADAM. ©2007The North American Menopause Society.
|
|
| 8. |
- Wyon, Yvonne, 1960-, et al.
(författare)
-
Concentrations of Calcitonin Gene-Related Peptide and Neuropeptide Y in Plasma Increase During Flushes in Postmenopausal Women
- 2000
-
Ingår i: Menopause. - 1072-3714 .- 1530-0374. ; 7:1, s. 25-30
-
Tidskriftsartikel (refereegranskat)abstract
- Objective: To assess whether the plasma concentrations of calcitonin gene-related peptide (CGRP), neuropeptide Y (NPY), or neurokinin A (NKA) increase during hot flushes in postmenopausal women with vasomotor symptoms.Design: Eight postmenopausal women (age range = 49-63 years) with vasomotor symptoms were included. During 1 day, repeated blood samples were taken between and during flushes; four samples were taken during each flush. The samples were analyzed for CGRP, NPY, and NKA using radioimmunoassay technique.Results: The serum concentrations of CGRP and NPY increased significantly-73% and 34%, respectively-during the flushes (p = 0.018; p = 0.028), whereas the concentrations of NKA did not change significantly.Conclusions: CGRP and NPY may be involved in the mechanisms that cause vasomotor symptoms.
|
|
| 9. |
- Wyon, Yvonne, 1960-, et al.
(författare)
-
Urinary excretion of calcitonin gene-related peptide in males with hot flushes after castration for carcinoma of the prostate
- 2001
-
Ingår i: Scandinavian Journal of Urology and Nephrology. - : Informa UK Limited. - 0036-5599 .- 1651-2065. ; 35:2, s. 92-96
-
Tidskriftsartikel (refereegranskat)abstract
- Objective: The majority of men who undergo surgical or medical castration due to prostatic carcinoma develop vasomotor symptoms with hot flushes. The mechanisms behind these symptoms are poorly understood. One possible explanation is a release of the vasodilatory peptide calcitonin gene-related peptide (CGRP) from perivascular nerves, which seem to be involved in the mechanisms behind vasomotion and sweating in postmenopausal women. The aim of this report was to investigate whether CGRP is involved in vasomotion in men after castration therapy.Material and methods: Twenty-four hour urine excretion of CGRP was analysed in 15 men with prostatic carcinoma, using radioimmunoassay before and 3 months after surgical or medical castration.Results: Eleven of the 15 men developed hot flushes during the observation period of 3 months. Twenty-four hour urine excretion of CGRP did not change significantly after castration, either in the group as a whole or in those 11 men who developed hot flushes.Conclusions: Even though we did not observe any significant changes in 24-h urine excretion of the potent vasodilator CGRP after castration it is possible that serum levels of CGRP increase during hot flushes, without having an effect on the 24-h urine excretion of the peptide.
|
|
