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and Centre for Biomedical Research on R... Publications | LitMetric

22 results match your criteria: "and Centre for Biomedical Research on Rare Diseases (CIBERER)[Affiliation]"

Introduction: A Mediterranean diet has positive effects on the brain in mid-older adults; however, there is scarce information on pregnant individuals. We aimed to evaluate the effect of a structured Mediterranean diet intervention on the cortical structure of the maternal brain during pregnancy.

Methods: This study was a secondary analysis of the IMPACT BCN, a randomized clinical trial with 1221 high-risk pregnant women randomly allocated into three groups at 19-23 weeks of gestation: Mediterranean diet intervention, a mindfulness-based stress reduction program, or usual care.

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Objective: To describe the development of an artificial placenta (AP) system in sheep with learning curve and main bottlenecks to allow survival up to one week.

Methods: A total of 28 fetal sheep were transferred to an AP system at 110-115 days of gestation. The survival goal in the AP system was increased progressively in three consecutive study groups: 1-3 h (n = 8), 4-24 h (n = 10) and 48-168 h (n = 10).

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Clinical presentation and proteomic signature of patients with TANGO2 mutations.

J Inherit Metab Dis

March 2020

Wellcome Centre for Mitochondrial Research, Institute of Genetic Medicine, Newcastle University, Newcastle upon Tyne, UK.

Transport And Golgi Organization protein 2 (TANGO2) deficiency has recently been identified as a rare metabolic disorder with a distinct clinical and biochemical phenotype of recurrent metabolic crises, hypoglycemia, lactic acidosis, rhabdomyolysis, arrhythmias, and encephalopathy with cognitive decline. We report nine subjects from seven independent families, and we studied muscle histology, respiratory chain enzyme activities in skeletal muscle and proteomic signature of fibroblasts. All nine subjects carried autosomal recessive TANGO2 mutations.

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A Program Aimed at Reducing Anxiety in Pregnant Women Diagnosed With a Small-for-Gestational-Age Fetus: Evaluative Findings From a Spanish Study.

J Perinat Neonatal Nurs

May 2018

BCNatal (Hospital Clínic de Barcelona and Hospital Sant Joan de Déu), Barcelona, Spain (Drs Arranz Betegón, Botet, and Gratacós and Mss García, Parés, Montenegro, Feixas, and Camacho); Department of Women's and Children's Health, Karolinska Institutet, Stockholm, Sweden (Dr Padilla); Department of Public Health, Mental Health and Perinatal Nursing, University of Barcelona, Barcelona, Spain (Dr Goberna); and IDIBAPS, University of Barcelona, and Centre for Biomedical Research on Rare Diseases (CIBERER), Barcelona, Spain (Drs Botet and Gratacós).

The objective of this study was to evaluate the effect of anxiety-reducing techniques including music therapy, sophrology, and creative visualization in pregnant women with a fetus diagnosed as small for gestational age and improved fetal and neonatal weight. This was a quasi-experimental study with a nonrandomized clinical trial design. We compared 2 groups of pregnant women with a fetus diagnosed as small for gestational age with no abnormalities on Doppler studies.

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Feasibility and Success Rate of a Fetal MRI and MR Spectroscopy Research Protocol Performed at Term Using a 3.0-Tesla Scanner.

Fetal Diagn Ther

August 2017

Barcelona Center for Maternal-Fetal and Neonatal Medicine (BCNatal), Hospital Clínic and Hospital Sant Joan de Déu, IDIBAPS, University of Barcelona, and Centre for Biomedical Research on Rare Diseases (CIBERER), Barcelona, Spain.

Objectives: To report the feasibility and main factors affecting the success of a fetal magnetic resonance imaging (MRI) and MR spectroscopy (MRS) research protocol performed at term using a 3-tesla scanner.

Methods: Pregnant patients at term underwent an MRI. Specific measures were taken to prevent maternal discomfort and distress, such as detailed counseling and maternal repositioning if needed.

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First-trimester screening with specific algorithms for early- and late-onset fetal growth restriction.

Ultrasound Obstet Gynecol

September 2016

BCNatal - Barcelona Center for Maternal-Fetal and Neonatal Medicine (Hospital Clínic and Hospital Sant Joan de Deu), IDIBAPS, University of Barcelona, and Centre for Biomedical Research on Rare Diseases (CIBER-ER), Barcelona, Spain.

Objective: To develop optimal first-trimester algorithms for the prediction of early and late fetal growth restriction (FGR).

Methods: This was a prospective cohort study of singleton pregnancies undergoing first-trimester screening. FGR was defined as an ultrasound estimated fetal weight < 10(th) percentile plus Doppler abnormalities or a birth weight < 3(rd) percentile.

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To assess the usefulness of circulating microRNAs (miRNAs) as non-invasive molecular biomarkers for early prediction of preeclampsia, a differential miRNA profiling analysis was performed in first-trimester pooled sera from 31 early preeclampsia patients, requiring delivery before 34 weeks of gestation, and 44 uncomplicated pregnancies using microfluidic arrays. Among a total of 754 miRNAs analyzed, the presence of 63 miRNAs (8%) was consistently documented in the sera from preeclampsia and control samples. Nevertheless, only 15 amplified miRNAs (2%) seemed to be differentially, although modestly, represented (fold change range: 0.

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Objectives: To evaluate, in a cohort of 248 fetuses seen at a tertiary referral center, the frequency of isolated ventricular septal defects (VSD) among all congenital heart defects (CHD), the association with chromosomal and postnatal anomalies and the rate of spontaneous closure.

Methods: This was a 6-year study on 10,800 women referred for fetal echocardiography, with 995 confirmed cases of CHD. The prevalence and characteristics of VSDs were analyzed, including follow-up until 1 year of age.

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Background: This study was conducted to explore the effect of gestational age (GA) on the induction-to-abortion interval of mifepristone-misoprostol midtrimester termination of pregnancy (TOP) regimen.

Study Design: This study involved a consecutive series of 270 pregnancies between 12.0 and 22.

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Background: Coenzyme Q (CoQ) is a lipophilic antioxidant that is synthesized by a mitochondrial complex integrated by at least ten nuclear encoded COQ gene products. CoQ increases cell survival under different stress conditions, including mitochondrial DNA (mtDNA) depletion and treatment with cancer drugs such as camptothecin (CPT). We have previously demonstrated that CPT induces CoQ biosynthesis in mammal cells.

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Coenzyme Q is an isoprenylated benzoquinone lipid that functions in respiratory electron transport and as a lipid antioxidant. Dietary supplementation with Q is increasingly used as a therapeutic for treatment of mitochondrial and neurodegenerative diseases, yet little is known regarding the mechanism of its uptake. As opposed to other yeast backgrounds, EG103 strains are unable to import exogenous Q(6) to the mitochondria.

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The activity and expression of plasma membrane NADH coenzyme Q reductase is increased by calorie restriction (CR) in rodents. Although this effect is well-established and is necessary for CR's ability to delay aging, the mechanism is unknown. Here we show that the Saccharomyces cerevisiae homolog, NADH-Coenzyme Q reductase 1 (NQR1), resides at the plasma membrane and when overexpressed extends both replicative and chronological lifespan.

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Coenzyme Q is a lipid molecule required for respiration and antioxidant protection. Q biosynthesis in Saccharomyces cerevisiae requires nine proteins (Coq1p-Coq9p). We demonstrate in this study that Q levels are modulated during growth by its conversion from demethoxy-Q (DMQ), a late intermediate.

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Objectives: To study CoQ(10) concentrations in muscle and fibroblast from 6 patients with a CoQ(10) deficiency syndrome.

Design And Methods: CoQ(10) was quantified by HPLC with electrochemical detection.

Results: Four out of the 6 cases showed muscle CoQ(10) deficiency plus a reduction of mitochondrial respiratory chain enzyme activities.

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Our aim was to establish reference values for cerebrospinal fluid (CSF) pyridoxal 5'-phosphate (PLP) in a paediatric population for the diagnosis of pyridox(am)ine 5'-phosphate oxidase (PNPO) deficiency. For reference values, CSF samples from 113 paediatric controls (age range: 1 day-18 years) from Barcelona and London were analysed. Cerebrospinal fluid PLP and biogenic amine concentrations were analysed by HPLC with fluorescence and electrochemical detection.

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Breast cancer is one of the most frequent cancers in the world. The majority of cases are sporadic but around 15% show some type of familial aggregation and about 5% exhibit a clear hereditary pattern. Common and rare low- moderate-penetrance genes, and high-penetrance genes are thought to explain the genetic susceptibility to the disease.

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Background: Antioxidant therapy is a new therapeutical approach for patients with Friedreich ataxia.

Aims: To assess the effectiveness of long-term idebenone treatment in Friedreich ataxia patients.

Methods: An open-labelled prospective study.

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Objectives: To evaluate the characteristics and association with perinatal outcome of the aortic isthmus (AoI) circulation as assessed by Doppler imaging in preterm growth-restricted fetuses with placental insufficiency.

Methods: This was a prospective cross-sectional study. Fifty-one fetuses with intrauterine growth restriction (IUGR) and either an umbilical artery (UA) pulsatility index (PI) > 95(th) centile or a cerebroplacental ratio < 5(th) centile were examined at 24-36 weeks' gestation.

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Neurotransmitters are essential in young children for differentiation and neuronal growth of the developing nervous system. We aimed to identify possible factors related to secondary neurotransmitter abnormalities in pediatric patients with neurological disorders. We analyzed cerebrospinal fluid (CSF) and biogenic amine metabolites in 56 infants (33 males, 23 females; mean age 5.

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Objectives: To report the prevalence of creatine transporter deficiency in males with mental retardation and to study whether a protein-rich food intake might be a potential diagnostic pitfall.

Design And Methods: We determined creatine/creatinine ratio in urine samples from 1600 unrelated male patients with mental retardation and/or autism. Urine creatine was analyzed by HPLC-MS/MS.

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Over the last 15 years, important research has expanded our knowledge of the clinical, molecular genetic, and biochemical features of mitochondrial neurogastrointestinal encephalomyopathy (MNGIE). The characterization of mitochondrial involvement in this disorder and the seminal determination of its genetic cause, have opened new possibilities for more detailed and deeper studies on the pathomechanisms in this progressive and fatal disease. It has been established that MNGIE is caused by mutations in the gene encoding thymidine phosphorylase (TP), which lead to absolute or nearly complete loss of its catalytic activity, producing systemic accumulations of its substrates, thymidine (dThd) and deoxyuridine (dUrd).

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Background: Fanconi anaemia is a heterogeneous genetic disease, where 12 complementation groups have been already described. Identifying the complementation group in patients with Fanconi anaemia constitutes a direct procedure to confirm the diagnosis of the disease and is required for the recruitment of these patients in gene therapy trials.

Objective: To determine the subtype of Fanconi anaemia patients in Spain, a Mediterranean country with a relatively high population (23%) of Fanconi anaemia patients belonging to the gypsy race.

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