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- Brucker, S. Y., et al.
(author)
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Selecting living donors for uterus transplantation: lessons learned from two transplantations resulting in menstrual functionality and another attempt, aborted after organ retrieval
- 2018
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In: Archives of Gynecology and Obstetrics. - : Springer Science and Business Media LLC. - 0932-0067 .- 1432-0711. ; 297:3, s. 675-684
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Journal article (peer-reviewed)abstract
- To contribute to establishing donor selection criteria based on our experience with two successful living-donor human uterus transplantations (UTx) and an aborted attempt. This interventional study included three patients with uterine agenesis, aged 23, 34, and 23 years, scheduled for UTx, and their uterus-donating mothers, aged 46, 61, and 46 years, respectively. Interventions included preoperative investigations, donor surgery, back-table preparation, and recipient surgery. Preoperative imaging, surgical data, histopathology, menstrual pattern, and uterine blood flow were the main outcome measures. In the first case (46-year-old mother/23-year-old daughter), donor/recipient surgery took 12.12/5.95 h. Regular spontaneous menstruations started 6-week post-transplantation, continuing at 24-28-day intervals throughout the 6-month observation period. Repeated follow-up cervical biopsies showed no signs of rejection. In the second case (61-year-old donor), surgery lasted 13.10 h; attempts to flush the retrieved uterus failed due to extreme resistance of the left uterine artery (UA) and inability to perfuse the right UA. Transplantation was aborted to avoid graft vessel thrombosis or insufficient blood flow during potential pregnancy. Histopathology revealed intimal fibrosis and initial sclerosis (right UA), extensive intimal fibrosis (parametric arterial segments), and subtotal arterial stenosis (myometrial vascular network). In the third case (46-year-old mother/23-year-old daughter), donor/recipient surgery took 9.05/4.52 h. Menstruations started 6-week post-transplantation. Repeated cervical biopsies showed no signs of rejection during the initial 12-week follow-up period. Meticulous preoperative evaluation of potential living uterus donors is essential. This may include selective contrast-enhanced UA angiograms and limitation of donor age, at least in donors with risk factors for atherosclerosis.
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- Saetre, Peter, et al.
(author)
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Association between a disrupted-in-schizophrenia 1 (DISC1) single nucleotide polymorphism and schizophrenia in a combined Scandinavian case-control sample
- 2008
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In: Schizophrenia Research. - : Elsevier BV. - 0920-9964 .- 1573-2509. ; 106:2-3, s. 237-241
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Journal article (peer-reviewed)abstract
- Disrupted-in-schizophrenia-1 (DISC1), located on chromosome 1q42.1, is linked to rare familial schizophrenia in a large Scottish family. The chromosomal translocation that segregates with the disease results in a truncated protein that impairs neurite outgrowth and proper development of the cerebral cortex, suggesting that lost DISC1 function may underlie neurodevelopmental dysfunction in schizophrenia. DISC1 has been associated with schizophrenia in multiple populations, but there is little evidence of convergence across populations. In the present case-control study three Scandinavian samples of 837 individuals affected with schizophrenia and 1473 controls, were used in an attempt to replicate previously reported associations between single nucleotide polymorphisms (SNPs) in DISC1 and schizophrenia. No SNP with allele frequency above 10% was significantly associated with the disease after correction for multiple testing. However, the minor allele of rs3737597 (frequency 2%) in the 3'-untransiated region (UTR), previously identified as a risk allele in Finnish families, was significantly and consistently associated with the disorder across the three samples, (p-value corrected for multiple testing was 0.002). Our results suggest that a relatively uncommon DISC1 mutation, which increases the susceptibility for schizophrenia may be segregating in the Scandinavian population, and support the view that common DISC1 SNP alleles are unlikely to account for a substantial proportion of the genetic risk of the disease across populations of European descent.
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