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1.
Nutrients ; 16(3)2024 Jan 23.
Artigo em Inglês | MEDLINE | ID: mdl-38337623

RESUMO

The only treatment for celiac disease (CD) is a strict and lifelong gluten-free diet (GFD), which must be safe and nutritionally balanced. Avoiding gluten brings difficulties with following the diet and can affect the social life of people with CD. The Zeliakide Project is a nutrition education program aimed at increasing the knowledge of the general population about healthy diets, CD and GFD, and, therefore, to improve the social inclusion and quality of life of people with CD. It is a one-month intervention program, two-armed cluster, non-randomised and controlled trial, conducted among 10-12-year-old children. Pre- and post-intervention evaluation and 1 month follow-up will be carried out to assess the effectiveness of the program. It is based on competencies and their respective learning outcomes. The teaching methodology chosen is a STEAM methodology: inquiry-based learning (IBL). A teaching unit has been created to develop the project, which, in the future, will be useful for the self-application of the program. This study will provide a valid and useful tool to achieve changes in the diet at the school level and will help to promote the social inclusion of people with CD. Moreover, it will enforce the STEAM competences of children.


Assuntos
Doença Celíaca , Criança , Humanos , Dieta Livre de Glúten/métodos , Glutens , Estado Nutricional , Cooperação do Paciente , Qualidade de Vida , Instituições Acadêmicas , Ensaios Clínicos Controlados não Aleatórios como Assunto
2.
Food Funct ; 15(3): 1089-1098, 2024 Feb 05.
Artigo em Inglês | MEDLINE | ID: mdl-38205645

RESUMO

Background: Thyroid autoimmunity is an immune response to thyroid antigens that causes varying degrees of thyroid dysfunction. The sole effective treatment for Celiac Disease (CD) is a gluten-free diet (GFD). However, the association between GFD and thyroid autoimmunity in patients with CD has not been confirmed. Methods: A comprehensive search of several databases, involving PubMed, Embase, Web of Science, Medline, and Cochrane databases, was conducted to identify studies that primarily addressed the effects of GFD on thyroid autoimmunity in CD subjects. The meta-analysis involved studies that compared the risk of ATPO and ATG antibody positivity in CD patients with GFD, the risk of developing AITD, and the risk of developing thyroid dysfunction. Fixed-effects models or random-effects models were used to calculate the odds ratios (ORs) and their 95% confidence intervals (95% CIs). Results: A total of 10 observational studies met the inclusion criteria and included 6423 subjects. The results indicated that GFD is positively associated with thyroid autoimmunity in the children subgroup of CD patients (OR = 1.61, 95%CI 1.06-2.43, P = 0.02). However, there was no significant difference in thyroid autoimmunity between the group adhering to GFD and the control group in the total CD population. Conclusion: The results seem to indicate that subjects with a more pronounced autoimmunity (such as to have an early onset of CD) appear to have a greater risk of thyroid autoimmunity.


Assuntos
Doença Celíaca , Glândula Tireoide , Criança , Humanos , Dieta Livre de Glúten/métodos , Autoimunidade , Resultado do Tratamento
3.
Crit Rev Food Sci Nutr ; 63(28): 9233-9261, 2023.
Artigo em Inglês | MEDLINE | ID: mdl-35435771

RESUMO

Celiac disease (CD) is an autoimmune intestinal disease caused by intolerance of genetically susceptible individuals after intake of gluten-containing grains (including wheat, barley, etc.) and their products. Currently, CD, with "iceberg" characteristics, affects a large population and is distributed over a wide range of individuals. This present review summarizes the latest research progress on the relationship between CD and gluten. Furthermore, the structure and function of gluten peptides related to CD, gluten detection methods, the effects of processing on gluten and gluten-free diets are emphatically reviewed. In addition, the current limitations in CD research are also discussed. The present work facilitates a comprehensive understanding of CD as well as gluten, which can provide a theoretical reference for future research.


Assuntos
Doença Celíaca , Glutens , Humanos , Glutens/efeitos adversos , Doença Celíaca/diagnóstico , Dieta Livre de Glúten/métodos , Predisposição Genética para Doença , Peptídeos
4.
Dig Dis Sci ; 68(4): 1369-1380, 2023 04.
Artigo em Inglês | MEDLINE | ID: mdl-36002677

RESUMO

AIMS: Previous studies have reported conflicting results regarding prevalence of elevated LC (2-70%) in celiac disease (CD). This systematic review and meta-analysis assessed the prevalence of elevated LC at time of CD diagnosis and associated response to GFD. We also report the prevalence of CD in patients with unexplained elevation of LC. METHODS: Studies assessing LC (aspartate aminotransferase [AST] and alanine aminotransferase [ALT]) in CD patients were eligible. Studies with < 50 cases or in pediatric populations were excluded. RESULTS: In total, 20 studies assessing prevalence of elevated LC in 4,265 participants with newly diagnosed CD (mean age = 35.6 ± 6.5 years, 69.8% female) were included. Pooled prevalence of elevated LC was 18.7% (95% CI 13.8-24.8; I2 = 95%). Normalization of elevated LC was seen in 83.1% (95% CI 73.4-89.7; I2 = 79%, 11 studies) of patients after GFD. On meta-regression, age at CD diagnosis, gender, and Marsh grading were not associated with elevated LC. Among 979 participants (7 studies) with unexplained elevation of LC, pooled seroprevalence and biopsy-proven CD was 6.4% (95% CI 2.9-10.3, I2 = 71%) and 4.5% (95% CI 2.6-7.7, I2 = 67%), respectively. CONCLUSION: Elevated LC are seen in approximately one-fifth of patients at CD diagnosis with majority normalizing after GFD. Age, gender, and degree of intestinal damage are not predictive of elevated LC. In the appropriate clinical scenario, liver tests should be serially monitored in CD reserving workup for additional causes after a trial of GFD. Patients with unexplained elevation of liver tests should be screened for celiac disease.


Assuntos
Doença Celíaca , Criança , Humanos , Feminino , Adulto , Masculino , Doença Celíaca/diagnóstico , Doença Celíaca/epidemiologia , Doença Celíaca/complicações , Estudos Soroepidemiológicos , Fígado , Testes de Função Hepática , Alanina Transaminase , Dieta Livre de Glúten/métodos
5.
Multimedia | Recursos Multimídia | ID: multimedia-10013

RESUMO

Charla a cargo de Guadalupe Carrera, licenciada en nutrición, miembro de la Secretaría de Salud de la Municipalidad de Pergamino y Región Sanitaria IV. En la capacitación se abordan tópicos como: Dieta libre de gluten en celiaquía; Tratamiento de personas con celiaquía en efectores de la RS IV; Abordaje nutricional inicial; Importancia del seguimiento médico nutricional, la adherencia a la dieta y las posibles complicaciones; Importancia del rol del nutricionista en la celiaquía y Alimentación saludable y natural.


Assuntos
Dieta Livre de Glúten/métodos , Glutens/efeitos adversos , Doença Celíaca , Alimentos, Dieta e Nutrição
6.
Multimedia | Recursos Multimídia | ID: multimedia-9955

RESUMO

La importancia de la prevención y el diagnóstico temprano en la Celiaquía. Alimentos libres de gluten: encontrarlos, prepararlos y consumirlos


Assuntos
Fenômenos Fisiológicos da Nutrição , Dieta Livre de Glúten/métodos
7.
Curr Opin Gastroenterol ; 38(3): 263-269, 2022 05 01.
Artigo em Inglês | MEDLINE | ID: mdl-35645020

RESUMO

PURPOSE OF REVIEW: Different markers are available to diagnose and monitor celiac disease (CeD); however, the concordance among them and their efficacy are still controversial. We aim at defining the efficacy of CeD biomarkers, their advantages and limits. RECENT FINDINGS: CeD diagnostic criteria are widely accepted, being a positive serology and duodenal atrophy (according to the Marsh-Oberhuber score) the main hallmarks. Flow cytometry and other molecular biomarkers support the diagnosis of refractory CeD. On the other side, CeD monitoring is less defined, as the biomarkers are not always reliable. To date, the reference standard to detect mucosal healing is represented by duodenal histology, but its timing and significance are debated. Novel scores may better define the trend of mucosal damage and MicroRNAs are among the innovative noninvasive biomarkers. The assessment of a correct gluten-free diet (GFD) is another aspect of CeD monitoring, based upon questionnaires and recently developed tools such as dosage of urinary or faecal gluten immunogenic peptides. SUMMARY: Clinicians lack of a widely acknowledged tools to monitor CeD and GFD. Here, we present the efficacy of the most used markers.


Assuntos
Doença Celíaca , Biomarcadores , Doença Celíaca/diagnóstico , Dieta Livre de Glúten/métodos , Duodeno/patologia , Glutens , Humanos
8.
Nutrients ; 14(9)2022 Apr 25.
Artigo em Inglês | MEDLINE | ID: mdl-35565765

RESUMO

OBJECTIVE: Autism spectrum disorders (ASDs) appear in the early stages of neurodevelopment, and they remain constant throughout life. Currently, due to limitations in ASDs treatment, alternative approaches, such as nutritional interventions, have frequently been implemented. The aim of this narrative review is to gather the most relevant and updated studies about dietary interventions related to ASDs etiopathogenesis. RESULTS: Our literature search focused on the gluten- and casein-free (GFCF) diet. The literature found shows the inexistence of enough scientific evidence to support a general recommendation of dietary intervention in children with ASD. Protocols and procedures for assessing risk and safety are also needed. Future lines: Prospective and controlled research studies with larger sample sizes and longer follow-up times are scarce and needed. In addition, studies considering an assessment of intestinal permeability, bacterial population, enzymatic, and inflammatory gastrointestinal activity are interesting to identify possible responders. Besides brain imaging techniques, genetic tests can also contribute as markers to evaluate the comorbidity of gastrointestinal symptoms.


Assuntos
Transtorno do Espectro Autista , Glutens , Transtorno do Espectro Autista/etiologia , Caseínas/efeitos adversos , Criança , Dieta Livre de Glúten/métodos , Glutens/efeitos adversos , Humanos , Estudos Prospectivos
9.
Adv Food Nutr Res ; 99: 189-238, 2022.
Artigo em Inglês | MEDLINE | ID: mdl-35595394

RESUMO

There is an increasing demand for gluten-free products around the world because certain groups of people, which have increased in the last decades, need to eliminate gluten from their diet. A growing number of people consider gluten-free products to be healthier. However, making gluten-free products such as bread is a technological challenge due to the important role of the gluten network in their development. However, other products, such as cakes and cookies usually made with wheat flour, can easily be made with gluten-free starches or flours since gluten does not play an essential role in their production. To replace wheat flour in these elaborations it is necessary to resort to gluten-free starches and/or flours and to gluten substitutes. Additionally, it can be convenient to incorporate other ingredients such as proteins, fibers, sugars or oils, as well as to modify their quantities in wheat flour formulations. Regarding gluten-free flours, it will also be necessary to know the parameters that influence their functionality in order to obtain regular products. These problems have originated a lower availability of gluten-free products which have a worse texture and are less tasty and more expensive than their homologues with gluten. These problems have been partially solved thanks to research on these types of products, their ingredients and their production methods. In recent years, studies about the nutritional improvement of these products have increased. This chapter delves into the main ingredients used in the production of gluten-free products, the processes for making gluten-free breads, cakes and cookies, and the nutritional quality of these products.


Assuntos
Pão , Dieta Livre de Glúten , Farinha , Triticum , Dieta Livre de Glúten/métodos , Farinha/análise , Glutens/efeitos adversos , Humanos , Amido
10.
Nutrients ; 14(6)2022 Mar 12.
Artigo em Inglês | MEDLINE | ID: mdl-35334866

RESUMO

The quality of life (QOL) of patients with celiac disease (CD) can be altered by both symptoms of the disease and by the restrictions of the gluten-free diet (GFD). The objective was to determine the factors associated with better QOL in a large cohort of CD patients. A link to an online survey was sent to the members of the French Association of Gluten Intolerant People (AFDIAG). The French-Celiac Disease Questionnaire (F-CDQ), scoring from 0 to 100, was used to measure the QOL. Other data collected were sociodemographic characteristics, information on CD, purchasing and consumption habits of gluten-free products, and a self-assessment scale (ranging from 0 to 10) to determine the compliance with the GFD. Among the 907 CD patients who returned the questionnaire, 787 were analyzed (638 women (81%); median age: 49 years; 71% with self-assessed GFD compliance > 8). Their median F-CDQ was 73 (range: 59−82). In multivariate analysis, the main factors associated with a better quality of life were the long duration of the GFD, good compliance with the GFD, and the number of follow-up visits. Compliance with and duration of the GFD are associated with a better quality of life in patients with CD. Taking this into consideration would offset its restrictive aspect and improve its adherence.


Assuntos
Doença Celíaca , Qualidade de Vida , Dieta Livre de Glúten/métodos , Feminino , Humanos , Pessoa de Meia-Idade , Cooperação do Paciente , Inquéritos e Questionários
11.
Nat Rev Gastroenterol Hepatol ; 19(5): 313-327, 2022 05.
Artigo em Inglês | MEDLINE | ID: mdl-34980921

RESUMO

Coeliac disease is a systemic disorder characterized by immune-mediated enteropathy, which is caused by gluten ingestion in genetically susceptible individuals. The clinical presentation of coeliac disease is highly variable and ranges from malabsorption through solely extra-intestinal manifestations to asymptomatic. As a result, the majority of patients with coeliac disease remain undiagnosed, misdiagnosed or experience a substantial delay in diagnosis. Coeliac disease is diagnosed by a combination of serological findings of disease-related antibodies and histological evidence of villous abnormalities in duodenal biopsy samples. However, variability in histological grading and in the diagnostic performance of some commercially available serological tests remains unacceptably high and confirmatory assays are not readily available in many parts of the world. Currently, the only effective treatment for coeliac disease is a lifelong, strict, gluten-free diet. However, many barriers impede patients' adherence to this diet, including lack of widespread availability, high cost, cross-contamination and its overall restrictive nature. Routine follow-up is necessary to ensure adherence to a gluten-free diet but considerable variation is evident in follow-up protocols and the optimal disease management strategy is not clear. However, these challenges in the diagnosis and management of coeliac disease suggest opportunities for future research.


Assuntos
Doença Celíaca , Doença Celíaca/diagnóstico , Doença Celíaca/epidemiologia , Doença Celíaca/terapia , Dieta Livre de Glúten/métodos , Humanos , Cooperação do Paciente
12.
Food Funct ; 13(3): 1299-1315, 2022 Feb 07.
Artigo em Inglês | MEDLINE | ID: mdl-35029612

RESUMO

Gluten Friendly™ (GF) is a new gluten achieved through a physicochemical process applied to wheat kernels. The goal of this research was to assess the in vivo effects of Gluten Friendly™ bread on celiac gut mucosa and microbiota. In a double-blind placebo-controlled intervention study, 48 celiac disease (CD) patients were randomized into 3 groups to eat 100 g of bread daily, containing different doses (0; 3 g; 6 g) of GF for 12 weeks. The small-bowel morphology (VH/CrD), intraepithelial densities of CD3+, celiac serology, MUC2, CB1, gut permeability, proinflammatory cytokines, gluten in stools, symptoms, and gut microbial composition were assessed. All 48 CD subjects experienced no symptoms. K-means analysis evidenced celiac subjects clustering around unknown parameters independent of GF dosage: K1 35%; K2 30%; K3 35%. VH/CrD significantly decreased in K1 and K2. VH/CrD did not correlate with IEL increase in K2. 33-mer was not detected in 47% and 73% of patients in both K1 and K2, respectively. VH/CrD and IEL did not change significantly and strongly correlated with the absence of 33-mer in K3. Inflammation and VH/CrD decrease are strongly related with the presence of proinflammatory species at the baseline. A boost in probiotic, butyrate-producing genera, is strongly related with GF tolerance at the end of the trial. Our research suggests that a healthy and proinflammatory ecology could play a crucial role in the digestion and tolerance of the new gluten molecule in celiac subjects. However, GF can be completely digested by gut microbiota of CD subjects and shapes it toward gut homeostasis by boosting healthy butyrate-producing populations. The clinical trial registry number is NCT03137862 (https://clinicaltrials.gov).


Assuntos
Pão , Doença Celíaca/metabolismo , Dieta Livre de Glúten/métodos , Microbioma Gastrointestinal/fisiologia , Inflamação/metabolismo , Adulto , Fatores Etários , Método Duplo-Cego , Feminino , Humanos , Masculino , Pessoa de Meia-Idade , Adulto Jovem
13.
Am J Gastroenterol ; 117(2): 319-326, 2022 02 01.
Artigo em Inglês | MEDLINE | ID: mdl-34797778

RESUMO

INTRODUCTION: Treated patients with celiac disease (CeD) and nonceliac gluten sensitivity (NCGS) report acute, transient, incompletely understood symptoms after suspected gluten exposure. To determine whether (i) blinded gluten exposure induces symptoms, (ii) subjects accurately identify gluten exposure, and (iii) serum interleukin-2 (IL-2) levels distinguish CeD from NCGS subjects after gluten exposure. METHODS: Sixty subjects (n = 20 treated, healed CeD; n = 20 treated NCGS; n = 20 controls) were block randomized to a single, double-blind sham (rice flour) or 3-g gluten challenge with 72-hours follow-up. Twelve serial questionnaires (100 mm visual analog scale; pain, bloating, nausea, and fatigue) and 10 serial plasma samples were collected. Mucosal permeability was assessed using both urinary lactulose-13C mannitol ratios and endoscopic mucosal impedance. RESULTS: Thirty-five of 40 (83%) subjects with CeD and NCGS reported symptoms with gluten (8 CeD, 9 NCGS) and sham (9 CeD, 9 NCGS) compared with 9 of 20 (45%) controls after gluten (n = 6) and sham (n = 3). There was no significant difference in symptoms among groups. Only 2 of 10 subjects with CeD and 4 of 10 NCGS identified gluten, whereas 8 of 10 subjects with CeD and 5 of 10 NCGS identified sham. A significant plasma IL-2 increase occurred only in subjects with CeD after gluten, peaking at 3 hours and normalizing within 24 hours postchallenge despite no significant intestinal permeability change from baseline. DISCUSSION: Symptoms do not reliably indicate gluten exposure in either subjects with CeD or NCGS. IL-2 production indicates a rapid-onset gluten-induced T-cell activation in CeD despite long-standing treatment. The effector site is unknown, given no increased intestinal permeability after gluten.


Assuntos
Doença Celíaca/sangue , Dieta Livre de Glúten/métodos , Glutens/efeitos adversos , Interleucina-2/sangue , Doença Aguda , Adulto , Biomarcadores/sangue , Doença Celíaca/dietoterapia , Método Duplo-Cego , Feminino , Seguimentos , Humanos , Masculino , Pessoa de Meia-Idade , Estudos Retrospectivos
14.
Nutr Rev ; 80(5): 1237-1246, 2022 04 08.
Artigo em Inglês | MEDLINE | ID: mdl-34617108

RESUMO

CONTEXT: It has been suggested that a gluten-free and casein-free (GFCF) diet may alleviate the symptoms of autism spectrum disorder (ASD) and facilitate neurodevelopment of children with ASD. Studies to date have been inconclusive. OBJECTIVE: This study aimed to evaluate (through quantitative meta-analysis) the efficacy and safety of a GFCF diet for children with ASD. To our knowledge, this is the first time such an analysis has been carried out. DATA SOURCES: Eight electronic databases were searched, from the establishment of each database up to March 27, 2020: PubMed, Web of Science, Embase (Ovid), PsycINFO (Ovid), Cochrane Library, CNKI, Wanfang, and VIP databases. DATA EXTRACTION: Two authors independently performed the data extraction and risk-of-bias assessment. DATA ANALYSIS: A quantitative meta-analysis was performed with standard procedures by using Stata SE 15 software. Within the total of 8 studies, with 297 participants, 5 studies reported significant reductions in stereotypical behaviors [standard mean difference (SMD) = -0.41, 95% confidence interval (CI): -0.68 to -0.15], and 3 studies reported improvements in cognition (SMD = -0.46, 95% CI: -0.91 to -0.01) following GFCF dietary intervention . No statistically significant changes were observed in other symptomatic categories (all P > 0.05). CONCLUSION: The current meta-analysis showed that a GFCF diet can reduce stereotypical behaviors and improve the cognition of children with ASD. Though most of the included studies were single-blind, the benefits of a GFCF diet that have been indicated are promising. Additional studies on a larger scale are warranted. SYSTEMATIC REVIEW REGISTRATION: PROSPERO registration no. CRD42020177619.


Assuntos
Transtorno do Espectro Autista , Dieta Livre de Glúten , Caseínas , Criança , Dieta Livre de Glúten/métodos , Humanos , Método Simples-Cego
15.
Am J Clin Nutr ; 115(2): 344-352, 2022 02 09.
Artigo em Inglês | MEDLINE | ID: mdl-34617561

RESUMO

BACKGROUND: Irritable bowel syndrome (IBS) has been associated with diets rich in fermentable oligo-, di-, monosaccharides, and polyols (FODMAPs), and gluten. Most previous studies have been single-blind and have focused on the elimination of FODMAPs or provocation with single FODMAPs. The effect of gluten is unclear, large trials isolating the effect of gluten from that of FODMAPs are needed. OBJECTIVES: The aims of this study were to ensure high intakes of a wide range of FODMAPs, gluten, or placebo, and to evaluate the effects on IBS symptoms using the IBS-severity scoring system (IBS-SSS). METHODS: The study was carried out with a double-blind, placebo-controlled, randomized 3-way crossover design in a clinical facility in Uppsala from September 2018 to June 2019. In all, 110 participants fulfilling the IBS Rome IV criteria, with moderate to severe IBS, were randomly assigned; 103 (90 female, 13 male) completed the trial. Throughout, IBS participants maintained a diet with minimal FODMAP content and no gluten. Participants were block-randomly assigned to 1-wk interventions with FODMAPs (50 g/d), gluten (17.3 g/d), or placebo, separated by 1-wk washout. All participants who completed ≥1 intervention were included in the intention-to-treat analysis. RESULTS: In participants with IBS (n = 103), FODMAPs caused higher IBS-SSS scores (mean 240 [95% CI: 222, 257]) than placebo (198 [180, 215]; P = 0.00056) or gluten (208 [190, 226]; P = 0.013); no differences were found between the placebo and gluten groups (P = 1.0). There were large interindividual differences in IBS-SSS scores associated with treatment. No adverse events were reported. CONCLUSION: In participants with IBS, FODMAPs had a modest effect on typical IBS symptoms, whereas gluten had no effect. The large interindividual differences in responses to the interventions warrant further detailed studies to identify possible underlying causes and enable individual prediction of responses. This trial was registered at www.clinicaltrials.gov as NCT03653689.


Assuntos
Dieta com Restrição de Carboidratos/métodos , Dieta Livre de Glúten/métodos , Síndrome do Intestino Irritável/dietoterapia , Adulto , Estudos Cross-Over , Método Duplo-Cego , Feminino , Fermentação , Glutens/administração & dosagem , Humanos , Síndrome do Intestino Irritável/metabolismo , Masculino , Pessoa de Meia-Idade , Monossacarídeos/administração & dosagem , Oligossacarídeos/administração & dosagem , Polímeros/administração & dosagem , Resultado do Tratamento
16.
Nutrients ; 13(12)2021 Dec 13.
Artigo em Inglês | MEDLINE | ID: mdl-34959996

RESUMO

Children with type 1 diabetes (T1D) are at increased risk of celiac disease (CD). The replacement of insulin in T1D, and the exclusion of gluten in CD, are lifelong, burdensome treatments. Compliance to a gluten-free diet (GFD) in children with CD is reported to be high, while compliance in children with both diseases has scarcely been studied. To examine compliance to a GFD in children with both T1D and CD, we analyzed tissue transglutaminase IgA-antibodies (tTGA). Moreover, associations between compliance and age, sex, glycemic control, ketoacidosis (DKA), body mass index (BMI), and time of CD diagnosis were investigated. Of the 743 children diagnosed with T1D in southern Sweden between 2005 and 2012, 9% were also diagnosed with CD. Of these, 68% showed good compliance to a GFD, 18% showed intermediate compliance, and 14% were classified as non-compliant. Higher age, poorer HbA1c, and more DKAs were significantly (p < 0.05) associated with poorer compliance. In conclusion, we found that compliance to a GFD in children with T1D and CD is likely be lower than in children with CD only. Our results indicate that children with both T1D and CD could need intensified dietary support and that older children and children with poor metabolic control are especially vulnerable subgroups.


Assuntos
Doença Celíaca/dietoterapia , Diabetes Mellitus Tipo 1/dietoterapia , Dieta Livre de Glúten/métodos , Cooperação do Paciente , Adolescente , Fatores Etários , Índice de Massa Corporal , Doença Celíaca/epidemiologia , Criança , Pré-Escolar , Diabetes Mellitus Tipo 1/epidemiologia , Cetoacidose Diabética/epidemiologia , Feminino , Hemoglobinas Glicadas/análise , Humanos , Imunoglobulina A/imunologia , Lactente , Masculino , Proteína 2 Glutamina gama-Glutamiltransferase/imunologia , Fatores Sexuais , Fatores Sociodemográficos , Suécia
17.
Front Immunol ; 12: 734763, 2021.
Artigo em Inglês | MEDLINE | ID: mdl-34950132

RESUMO

Background & Aims: Celiac disease (CeD), an immune-mediated disease with enteropathy triggered by gluten, affects ~1% of the general European population. Currently, there are no biomarkers to predict CeD development. MicroRNAs (miRNAs) are short RNAs involved in post-transcriptional gene regulation, and certain disease- and stage-specific miRNA profiles have been found previously. We aimed to investigate whether circulating miRNAs can predict the development of CeD. Methods: Using next-generation miRNA-sequencing, we determined miRNAs in >200 serum samples from 53 participants of the PreventCD study, of whom 33 developed CeD during follow-up. Following study inclusion at 3 months of age, samples were drawn at predefined ages, diagnosis (first anti-transglutaminase antibody (TGA) positivity or diagnostic biopsy) and after the start of a gluten-free diet (GFD). This allowed identification of circulating miRNAs that are deregulated before TGA positivity. For validation of the biomarkers for CeD and GFD response, two additional cohorts were included in subsequent meta-analyses. Additionally, miRNAs were measured in duodenal biopsies in a case-control cohort. Results: 53 circulating miRNAs were increased (27) or decreased (26) in CeD versus controls. We assessed specific trends in these individual miRNAs in the PreventCD cohort by grouping the pre-diagnostic samples of the CeD patients (all had negative TGA) by how close to seroconversion (first sample positive TGA) the samples were taken. 8/53 miRNAs differed significantly between controls and samples taken <1 year before TGA positivity: miR-21-3p, miR-374a-5p, 144-3p, miR-500a-3p, miR-486-3p let-7d-3p, let-7e-5p and miR-3605-3p. 6/26 downregulated miRNAs reconstituted upon GFD, including miR-150-5p/-3p, whereas no upregulated miRNAs were downregulated upon GFD. 15/53 biomarker candidates also differed between CeD biopsies and controls, with a concordant direction, indicating that these circulating miRNAs might originate from the intestine. Conclusions: We identified 53 circulating miRNAs that are potential early biomarkers for CeD, of which several can be detected more than a year before TGA positivity and some start to normalize upon GFD.


Assuntos
Doença Celíaca/sangue , Doença Celíaca/genética , MicroRNA Circulante/sangue , MicroRNA Circulante/genética , Biomarcadores/sangue , Estudos de Casos e Controles , Doença Celíaca/dietoterapia , Criança , Pré-Escolar , MicroRNA Circulante/isolamento & purificação , Dieta Livre de Glúten/métodos , Regulação para Baixo/genética , Feminino , Seguimentos , Humanos , Masculino , Estudos Prospectivos , RNA-Seq/métodos , Resultado do Tratamento , Regulação para Cima/genética
18.
Pediatr Clin North Am ; 68(6): 1205-1219, 2021 12.
Artigo em Inglês | MEDLINE | ID: mdl-34736585

RESUMO

Celiac disease is an autoimmune enteropathy triggered by the ingestion of gluten in genetically susceptible individuals. In patients with suspected celiac disease, measurement of serum IgA antibodies to tissue transglutaminase-2 has a high sensitivity and specificity and is the first screening test that should be ordered. The diagnosis of celiac disease is based on the presence of mucosal damage in small intestinal biopsies in patients having circulating celiac disease-specific antibodies. Celiac disease management includes lifelong adherence to a gluten-free diet and continuous long-term follow-up.


Assuntos
Doença Celíaca/dietoterapia , Doença Celíaca/diagnóstico , Adolescente , Biópsia/métodos , Doença Celíaca/epidemiologia , Doença Celíaca/imunologia , Criança , Pré-Escolar , Dieta Livre de Glúten/métodos , Feminino , Glutens/imunologia , Humanos , Imunoglobulina A/sangue , Lactente , Mucosa Intestinal/patologia , Intestinos/patologia , Masculino , Proteína 2 Glutamina gama-Glutamiltransferase/imunologia
19.
Food Funct ; 12(20): 10226-10238, 2021 Oct 19.
Artigo em Inglês | MEDLINE | ID: mdl-34542123

RESUMO

Gluten free (GF) foods, designed and marketed for the needs of people who are unable to metabolize gluten, in recent years have aroused growing interest that has led to the conquest of important market segments, with a strongly growing trend. Given the low protein content of standard GF flours, it is particularly important to fortify GF foods, and to study the effect that this process exerts on functional and sensorial characteristics. In this work, fortification of GF bakery goods was done with the addition of Arthrospira platensis (spirulina) flour. Two different dough formulations (with and without fortification) were fermented by four different processes, including spontaneous, single strains and sourdough starters. The baked products were then subjected to "consumer's tests". During the process, fermentation performances, prebiotic activity, and the VOC (Volatile Organic Compound) profiles were analyzed and compared through robust multivariate statistics. The results obtained evidenced that fortification led to a product with more abundant (medium organic acids) and exclusive bioactives (thymol, borneol, and nicotinic acid), which were correlated to the prebiotic activity of spirulina breads. This work, for the first time indicates that spirulina can be used to fortify GF bakery, improving also its functional potential.


Assuntos
Pão , Dieta Livre de Glúten/métodos , Alimentos Fortificados , Prebióticos , Spirulina , Compostos Orgânicos Voláteis/metabolismo , Fermentação , Alimentos Especializados , Glutens/metabolismo , Humanos , Análise Multivariada
20.
Nutrients ; 13(9)2021 Aug 25.
Artigo em Inglês | MEDLINE | ID: mdl-34578835

RESUMO

The body composition of patients with celiac disease (CD), on which the effects of a gluten-free diet (GFD) are controversial, differs from that of the average population. In this study, we aimed to compare the body composition across CD patients before a GFD, CD patients after a one-year GFD and non-celiac control subjects. A systematic search was conducted using five electronic databases up to 15 July 2021 for studies that reported at least one of the pre-specified outcomes. In meta-analyses, weighted mean differences (WMDs) with 95% confidence intervals (CIs) were calculated. A total of 25 studies were eligible for systematic review, seven of which were included in meta-analysis. During a ≥1-year GFD, fat mass of CD patients, compared to that at baseline, significantly increased (WMD = 4.1 kg, 95% CI = 1.5 to 6.6, three studies). In CD patients after a ≥1-year GFD, compared to non-celiac controls, fat mass (WMD = -5.8 kg, 95% CI = -8.7 to -2.9, three studies) and fat-free mass (WMD = -1.9 kg, 95% CI = -3.0 to -0.7, three studies) were significantly lower. In conclusion, body composition-related parameters of CD patients differ from that of the non-celiac control subjects even after a longstanding GFD.


Assuntos
Tecido Adiposo , Composição Corporal , Doença Celíaca/dietoterapia , Aconselhamento/métodos , Dieta Livre de Glúten/métodos , Bases de Dados Factuais , Humanos , Medicina de Precisão/métodos
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