Turner, B M*
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... Disteche -- Testing for sex chromosome mosaicism in Turner syndrome D.L. Van Dyke and A.E. ... ... McDonough and S.P.T. Tho -- Genomic imprinting in Turner syndrome -- C. A. ... ... Nussbaum and B. Lippe -- Lymphatic, tooth and skin manifestations in Turner syndrome -- D.F. ... ... of Turner syndrome: Specific learning disabilities -- M.M.M. ... ... A 5-year follow-up of Turner syndrome -- K. Landin-Wilhelmsen, M. El-Mansoury, I. Bryman, K. ...
International congress series, ISSN 0531-5131 1298
First edition xiii, 200 stran : ilustrace, tabulky ; 25 cm
- MeSH
- dítě MeSH
- dospělí MeSH
- lékařská genetika MeSH
- mladiství MeSH
- růst a vývoj MeSH
- Turnerův syndrom MeSH
- zdraví žen MeSH
- Check Tag
- dítě MeSH
- dospělí MeSH
- mladiství MeSH
- ženské pohlaví MeSH
- Publikační typ
- kongresy MeSH
- sborníky MeSH
- Konspekt
- Patologie. Klinická medicína
- NLK Obory
- genetika, lékařská genetika
- pediatrie
- endokrinologie
Excerpta medica. 924, International congress series
277 s. : obr., tab., přeruš.bibliogr.
OBJECTIVES: We analyzed primary school performance of girls with Turner syndrome (TS) in two distinct countries to ascertain if the cognitive phenotype of TS causes selective learning difficulties. METHODS: The cohort comprised of 44 Czech and 50 Egyptian girls with TS who attended public schools. School reports from grades 1 to 9 were obtained retrospectively from Czech participants with TS. Only recent school reports were obtained from Egyptian participants. Two controls per participant were requested - biological sisters and/or female classmates. The results were converted into a 5-point scale (1-excellent; 5-unsatisfactory). RESULTS: Analysis of longitudinal Czech data displayed a strong time component in both subjects and controls. Showing better points in lower grades with its gradual worsening as the education complexity increased. In contrast, there was a strong statistically significant difference between groups in Mathematics (p=0.0041, p=0.0205 after Bonferroni correction) and this difference increased over time. The points for Mathematics did not differ in grades 1+2 (0.05 difference in mean grade between the two groups), however, they differed by 0.28 in grades 6+7 and by 0.32 in grades 8+9. While slightly different in character (cross-sectional vs. longitudinal), the Egyptian cohort data confirmed our findings, showing no difference in general school performance but having similar trends in Mathematics (grades 1+2: 0.11, grades 6+7: 0.54, grades 8+9: 0.68; p=0.0058, p=0.029 after Bonferroni correction). CONCLUSION: Excluding results in Mathematics, which showed pronounced worsening in relation to age in comparison with unaffected controls, girls with TS performed similarly to their controls.
- MeSH
- dítě MeSH
- kohortové studie MeSH
- lidé MeSH
- matematika MeSH
- mladiství MeSH
- průřezové studie MeSH
- retrospektivní studie MeSH
- Turnerův syndrom * MeSH
- Check Tag
- dítě MeSH
- lidé MeSH
- mladiství MeSH
- ženské pohlaví MeSH
- Publikační typ
- časopisecké články MeSH
Psychological distress persisting for weeks or more promotes pro-inflammatory immune dysregulation, a risk factor for a range of chronic diseases. We have recently shown that mindfulness training reduces distress among university students. Here we present an exploratory trial to study immune dysregulation in a cohort of students who were exposed to progressively greater stress as the exam period approached, and to explore whether mindfulness training mitigated this dysregulation. Healthy University of Cambridge students were randomised to join an 8-week mindfulness course (N = 27), or to mental health support as usual (N = 27). Psychological distress, immune cell proportions, cytokines, CRP and serum cortisol were measured at baseline and during the exam period. Increased distress was associated with statistically significant increases in the proportion of B cells, regardless of trial arm (*p = 0.027). There were no other associations between any of the measured parameters, distress or mindfulness. Our finding that the proportion of B cells increases with psychological distress supports the findings of other studies. However, we found no evidence that mindfulness training is able to buffer the effects of psychological distress on healthy participants' immune system. In order to detect these effects, should they exist, larger randomised trials will be required.
- MeSH
- B-lymfocyty imunologie MeSH
- cytokiny imunologie MeSH
- dospělí MeSH
- duševní zdraví MeSH
- hydrokortison imunologie MeSH
- imunitní systém imunologie MeSH
- kohortové studie MeSH
- lidé MeSH
- mladiství MeSH
- mladý dospělý MeSH
- psychický stres imunologie psychologie MeSH
- studenti lékařství psychologie MeSH
- všímavost metody MeSH
- Check Tag
- dospělí MeSH
- lidé MeSH
- mladiství MeSH
- mladý dospělý MeSH
- ženské pohlaví MeSH
- Publikační typ
- časopisecké články MeSH
- klinické zkoušky MeSH
- práce podpořená grantem MeSH
- randomizované kontrolované studie MeSH
PURPOSE: Turner syndrome (TS) patients display considerable immune misregulation, and it is hypothesized that Vitamin D (VTD) activity may fluctuate according to Vitamin D receptor (VDR) polymorphisms and/or expression profile. To uncover a possible relationship between VDR genotype and clinical conditions in TS patients, we investigated two functional VDR variants (Cdx-2 and FokI) for allele and genotype frequencies, as well as expression profile in TS individuals versus healthy controls (HC). METHODS: We performed a genetic association study including 100 TS patients and 116 HC. Genotyping for VDR Cdx-2 G > A (rs11568820) and FokI C > T (rs2228570) was performed using Taqman Genotyping Assays. VDR gene expression was also evaluated in 15 TS and 15 HC, using fluorogenic probes by qPCR. Statistical analyses were performed using nonparametric Mann-Whitney test, with a 5% significance level (p < 0.05) to uncover differences between groups. In addition, we investigated whether shifted VDR mRNA levels were associated with Cdx-2 and FokI variants in TS patients. RESULTS: We detected a significantly higher frequency of T allele (p = 0.006) as well as T/T genotype (p = 0.01) for FokI in TS patients when compared to HC. When assessing VDR expression, we identified a downregulation in TS woman (- 2.84 FC) versus HC (p < 0.001). Furthermore, C/T (11.24 FC; p = 0.01) and T/T (9.20 FC; p = 0.01) FokI genotypes were upregulated when compared to C/C reference genotype. CONCLUSION: TS patients show different distribution of FokI polymorphism. Downregulation of VDR gene expression may contribute to immunological imbalance in TS.
- MeSH
- alely MeSH
- autoimunita genetika MeSH
- dítě MeSH
- dospělí MeSH
- down regulace MeSH
- frekvence genu * MeSH
- genetické asociační studie MeSH
- genotyp MeSH
- jednonukleotidový polymorfismus * MeSH
- kojenec MeSH
- lidé MeSH
- mladiství MeSH
- mladý dospělý MeSH
- předškolní dítě MeSH
- receptory kalcitriolu genetika MeSH
- studie případů a kontrol MeSH
- Turnerův syndrom genetika imunologie MeSH
- Check Tag
- dítě MeSH
- dospělí MeSH
- kojenec MeSH
- lidé MeSH
- mladiství MeSH
- mladý dospělý MeSH
- předškolní dítě MeSH
- ženské pohlaví MeSH
- Publikační typ
- časopisecké články MeSH
BACKGROUND: A previous International Lymphoma Epidemiology (InterLymph) Consortium evaluation of joint associations between five immune gene variants and autoimmune conditions reported interactions between B-cell response-mediated autoimmune conditions and the rs1800629 genotype on risk of B-cell non-Hodgkin lymphoma (NHL) subtypes. Here, we extend that evaluation using NHL subtype-specific polygenic risk scores (PRS) constructed from loci identified in genome-wide association studies of three common B-cell NHL subtypes. METHODS: In a pooled analysis of NHL cases and controls of Caucasian descent from 14 participating InterLymph studies, we evaluated joint associations between B-cell-mediated autoimmune conditions and tertile (T) of PRS for risk of diffuse large B-cell lymphoma (DLBCL; n = 1,914), follicular lymphoma (n = 1,733), and marginal zone lymphoma (MZL; n = 407), using unconditional logistic regression. RESULTS: We demonstrated a positive association of DLBCL PRS with DLBCL risk [T2 vs. T1: OR = 1.24; 95% confidence interval (CI), 1.08-1.43; T3 vs. T1: OR = 1.81; 95% CI, 1.59-2.07; P-trend (Ptrend) < 0.0001]. DLBCL risk also increased with increasing PRS tertile among those with an autoimmune condition, being highest for those with a B-cell-mediated autoimmune condition and a T3 PRS [OR = 6.46 vs. no autoimmune condition and a T1 PRS, Ptrend < 0.0001, P-interaction (Pinteraction) = 0.49]. Follicular lymphoma and MZL risk demonstrated no evidence of joint associations or significant Pinteraction. CONCLUSIONS: Our results suggest that PRS constructed from currently known subtype-specific loci may not necessarily capture biological pathways shared with autoimmune conditions. IMPACT: Targeted genetic (PRS) screening among population subsets with autoimmune conditions may offer opportunities for identifying those at highest risk for (and early detection from) DLBCL.
- MeSH
- autoimunitní nemoci * epidemiologie genetika MeSH
- B-lymfocyty MeSH
- celogenomová asociační studie MeSH
- difúzní velkobuněčný B-lymfom * epidemiologie genetika MeSH
- folikulární lymfom * epidemiologie genetika MeSH
- lidé MeSH
- studie případů a kontrol MeSH
- Check Tag
- lidé MeSH
- Publikační typ
- časopisecké články MeSH
OBJECTIVE: To assess at 24 months corrected age (CA) the neurological, respiratory, and general health status of children born prematurely from 27+0 to 33+6 weeks' gestation who were treated in a first-in-human study with a new fully synthetic surfactant (CHF5633) enriched with SP-B and SP-C proteins. OUTCOME MEASURES: Children were assessed using Bayley Scales of Infant Development (BSID), with a score below normal defined as BSID-II Mental Development Index score <70, or BSID-III cognitive composite score <85. In addition, a health status questionnaire was used to check for functional disability including respiratory problems and related treatments, sensory and neurodevelopment assessments, communication skills as well as the number of hospitalizations. RESULTS: 35 of 39 survivors had a neurodevelopmental assessment, 24 infants being evaluated by Bayley's Scales and 11 by health status questionnaires only. 23 children had scores within normal limits and one had BSID-III <85. The remaining 11 were judged clinically to have normal development. Health status questionnaires detected only issues that would normally be expected in preterm-born children. CONCLUSIONS: This assessment offers reassurance that treatment with CHF5633 surfactant was not associated with adverse neurodevelopmental, respiratory, or health outcomes by two years corrected age.
- MeSH
- fosfatidylcholiny terapeutické užití MeSH
- kojenec MeSH
- lidé MeSH
- nemoci nedonošenců * farmakoterapie MeSH
- novorozenec MeSH
- peptidové fragmenty MeSH
- předškolní dítě MeSH
- protein B asociovaný s plicním surfaktantem MeSH
- protein C asociovaný s plicním surfaktantem MeSH
- syndrom respirační tísně novorozenců * farmakoterapie MeSH
- vývoj dítěte MeSH
- Check Tag
- kojenec MeSH
- lidé MeSH
- novorozenec MeSH
- předškolní dítě MeSH
- Publikační typ
- časopisecké články MeSH
- MeSH
- diabetes mellitus 2. typu dietoterapie farmakoterapie MeSH
- dospělí MeSH
- faktorová analýza statistická MeSH
- hemoglobin A krev MeSH
- inzulin aplikace a dávkování terapeutické užití MeSH
- krevní glukóza krev MeSH
- lidé středního věku MeSH
- lidé MeSH
- metformin aplikace a dávkování terapeutické užití MeSH
- sulfonylmočovinové sloučeniny aplikace a dávkování terapeutické užití MeSH
- Check Tag
- dospělí MeSH
- lidé středního věku MeSH
- lidé MeSH
- mužské pohlaví MeSH
- ženské pohlaví MeSH
- Publikační typ
- přehledy MeSH
- srovnávací studie MeSH
Children with B-cell non-Hodgkin lymphoma (B-NHL) have an excellent chance of survival, however, current clinical risk stratification places as many as half of patients in a high-risk group receiving very intensive chemo-immunotherapy. TP53 alterations are associated with adverse outcome in many malignancies; however, whilst common in paediatric B-NHL, their utility as a risk classifier is unknown. We evaluated the clinical significance of TP53 abnormalities (mutations, deletion and/or copy number neutral loss of heterozygosity) in a large UK paediatric B-NHL cohort and determined their impact on survival. TP53 abnormalities were present in 54.7% of cases and were independently associated with a significantly inferior survival compared to those without a TP53 abnormality (PFS 70.0% vs 100%, p < 0.001, OS 78.0% vs 100%, p = 0.002). Moreover, amongst patients clinically defined as high-risk (stage III with high LDH or stage IV), those without a TP53 abnormality have superior survival compared to those with TP53 abnormalities (PFS 100% vs 55.6%, p = 0.005, OS 100% vs 66.7%, p = 0.019). Biallelic TP53 abnormalities were either maintained from the presentation or acquired at progression in all paired diagnosis/progression Burkitt lymphoma cases. TP53 abnormalities thus define clinical risk groups within paediatric B-NHL and offer a novel molecular risk stratifier, allowing more personalised treatment protocols.
- MeSH
- B-buněčný lymfom genetika patologie MeSH
- dítě MeSH
- genetické lokusy MeSH
- genová dávka MeSH
- kojenec MeSH
- lidé MeSH
- mladiství MeSH
- mutace MeSH
- nádorový supresorový protein p53 genetika MeSH
- předškolní dítě MeSH
- progrese nemoci MeSH
- Check Tag
- dítě MeSH
- kojenec MeSH
- lidé MeSH
- mladiství MeSH
- mužské pohlaví MeSH
- předškolní dítě MeSH
- ženské pohlaví MeSH
- Publikační typ
- časopisecké články MeSH
- práce podpořená grantem MeSH