Review article: Systemic consequences of coeliac disease

What is new in the management of coeliac disease?

Coeliac disease is the most common immune-mediated enteropathy, affecting approximately 1 % of the population worldwide. Currently, the vast majority of individuals remain undiagnosed. Coeliac disease is triggered by gluten ingestion in genetically predisposed individuals carrying the human leukocyte antigen (HLA) genes; HLA-DQ2 and HLA-DQ8. Patients with coeliac disease present with a wide spectrum of gastrointestinal and extraintestinal manifestations and, in some cases, without any symptoms. The diagnosis of coeliac disease in adults is based on a combination of clinical suspicion, positive serological markers and histological evidence of small intestinal atrophy on duodenal biopsies. The only effective treatment is a strict, lifelong gluten-free diet. However, up to 20 % of patients report persistent or recurrent symptoms. In this review, we provide a comprehensive update on coeliac disease, focusing on its relevance to the different medical specialities and highlighting the need for a multidisciplinary approach to its diagnosis and management. Clinicians practicing internal medicine have a unique opportunity to diagnose this multisystem autoimmune disease. By doing so, they would avoid delays in diagnosis for these patients. A low threshold for serological testing is recommended.

A child with Chronic Nonbacterial Osteomyelitis and celiac disease: accidental association or two different aspects of the same condition?

BACKGROUND

Chronic Nonbacterial Osteomyelitis (CNO) is a rare auto-inflammatory disease that mainly affects children, and manifests with single or multiple painful bone lesions. Due to the lack of specific laboratory markers, CNO diagnosis is a matter of exclusion from different conditions, first and foremost bacterial osteomyelitis and malignancies. Whole Body Magnetic Resonance (WBMR) and bone biopsy are the gold standard for the diagnosis. Although the association with Inflammatory Bowel Disease (IBD) has been reported in the literature, cases of CNO in celiac patients have never been described before.

CASE PRESENTATION

We report about a girl of 3 years and 8 months of age who presented with severe bone pain, slight increase of inflammatory markers, micro-hematuria and high calprotectin values. Her personal medical history was uneventful, apart from low weight growth. She had never complained of abdominal pain or other gastro-intestinal symptoms. WBMR showed the classical features of multifocal CNO, and biopsy confirmed the diagnosis. Celiac disease (CD) was suspected on the basis of antibody screening, and confirmed by gut biopsy. With gluten-free diet the patient achieved rapid and complete symptom remission together with healing of all the bone lesions proven by WBMR. Three years after the onset of the disease the girl is healthy and totally asymptomatic, still on clinical and radiological follow-up.

CONCLUSIONS

Based on our experience, the diagnostic work-up of new cases of CNO should include the screening test for CD and, according to the literature, the possibility of IBD should also be properly ruled out. When CNO and CD coexist, gluten-free diet, combined with antinflammatory therapy, could be able to completely reverse bone lesions, shortening the duration of medical treatment. Because the diseases' onset is seldom simultaneous, patients with CNO and IBD deserve a properly extended follow-up. Finally, the analysis of the relationship between CNO and autoimmune intestinal diseases provides a unique opportunity to understand the pathophysiological pro-inflammatory network underlying both types of disorders and it is necessary to make the most suitable therapeutic choice.

[Celiac disease: an update]

Celiac disease is one of the most common lifelong autoimmune disorders and is currently understood as a genetically determined immune intolerance to gluten. In genetically predisposed individuals, the consumption of gluten, along with additional environmental factors, triggers an immunological reaction in the small intestinal epithelium, leading to the destruction of the mucosal architecture with villous atrophy. This can be asymptomatic, but may also cause a wide range of symptoms and lead to systemic complications, such as osteoporosis or infertility. The only treatment is a lifelong, strictly gluten-free diet. Despite advances in diagnostics, many cases remain unrecognized. Diagnosis is based on the serological detection of autoantibodies against tissue transglutaminase 2 (tTG-IgA) and, if necessary, a small intestinal biopsy. Population-wide screening during childhood or adolescence, as legally introduced in Italy in September 2023, could promote early detection and prevent long-term complications. For the monitoring of diagnosed patients, regular clinical check-ups and serological testing are standard practice. In cases of persistent symptoms or risk factors for ongoing villous atrophy, a follow-up duodenal histology examination is recommended. Persistent symptoms despite adherence to a gluten-free diet are often due to continued gluten exposure; however, alternative causes must also be ruled out. In cases of severe malabsorptive symptoms, the rare condition of refractory celiac disease should be considered, with management carried out in specialized centers.

Electrocardiographic Frontal QRS-T Angle Is Independently Associated with the Presence of Celiac Disease and Disease Duration

Background: The impact of Celiac Disease (CD) is not only limited to the intestinal system, but extraintestinal manifestations may also be seen. In this context, cardiac manifestations have recently been the focus of attention. This study aimed to evaluate myocardial repolarization properties in CD patients by assessing the frontal QRS-T Angle (fQRS-T) on electrocardiography (ECG). Methods: A total of 302 patients, including 150 CD patients and 152 control group patients, were included in the study. ECG parameters, including fQRS-T, QRS interval, and QTc interval, were calculated for each patient and compared between the groups. In addition, the relationship of these ECG parameters with disease duration was also analyzed. Results: The median disease duration was 38.5 (16 to 96) months in the CD group. Significantly wider QRS interval (92 (86 to 96) vs. 83 (76.3 to 93), p < 0.001) and fQRS-T (23 (13 to 37) vs. 18 (6.3 to 27), p < 0.001) values were observed in the CD group. Among CD patients, those with longer disease duration (>38.5 months) exhibited significantly wider QRS intervals (94 (88 to 98) vs. 88 (84 to 94), p < 0.001) and frontal QRS-T angles (29 (14 to 47) vs. 16 (10 to 25), p < 0.001) compared to those with shorter disease duration. A positive correlation between the disease duration and fQRS-T was also demonstrated (r = 0.478, p < 0.001). Multivariable logistic regression identified QRS interval (OR: 1.060, 95% CI: 1.032-1.088, p < 0.001) and frontal QRS-T angle (OR: 1.028, 95% CI: 1.013-1.043, p < 0.001) as independent predictors of CD. Additionally, the QRS interval (OR: 1.066, 95% CI: 1.012-1.124, p = 0.016) and frontal QRS-T angle (OR: 1.021, 95% CI: 1.003-1.038, p = 0.021) were significant predictors of longer disease duration. A linear regression analysis confirmed that disease duration was a stronger predictor of frontal QRS-T angle widening (B: 0.389, 95% CI: 0.102-0.677, p < 0.001) compared to age (B: 0.184, 95% CI: 0.123-0.245, p = 0.008). Conclusions: In this study, we demonstrated that chronic inflammation secondary to CD may have negative effects on cardiac repolarization and that this effect is closely related to disease duration.

Celiac Disease: A Transitional Point of View

Celiac disease (CeD) is a chronic, lifelong, multifactorial, polygenic, and autoimmune disorder, characteristically triggered by exposure to the exogenous factor "gluten" in genetically predisposed individuals, with resulting duodenal inflammation and enteropathy, as well as heterogeneous multisystemic and extraintestinal manifestations. The immunopathogenesis of CeD is complex, favored by a peculiar human leukocyte antigen (HLA) genetic predisposition, leading to gluten presentation by antigen-presenting cells to CD4+ T helper (Th) cells, T cell-B cell interactions, and production of specific antibodies, resulting in the immune-mediated killing of enterocytes and, macroscopically, in duodenal inflammation. Here, the most relevant correlations between cellular and molecular aspects and clinical manifestations of this complex disease are reviewed, with final considerations on nutritional aspects for disease management.

Proteomic analysis of plasma and duodenal tissue in celiac disease patients reveals potential noninvasive diagnostic biomarkers

The pathogenesis of celiac disease (CeD) remains incompletely understood. Traditional diagnostic techniques for CeD include serological testing and endoscopic examination; however, they have limitations. Therefore, there is a need to identify novel noninvasive biomarkers for CeD diagnosis. We analyzed duodenal and plasma samples from CeD patients by four-dimensional data-dependent acquisition (4D-DIA) proteomics. Differentially expressed proteins (DEPs) were identified for functional analysis and to propose blood biomarkers associated with CeD diagnosis. In duodenal and plasma samples, respectively, 897 and 140 DEPs were identified. Combining weighted gene co-expression network analysis(WGCNA) with the DEPs, five key proteins were identified across three machine learning methods. FGL2 and TXNDC5 were significantly elevated in the CeD group, while CHGA expression showed an increasing trend, but without statistical significance. The receiver operating characteristic curve results indicated an area under the curve (AUC) of 0.7711 for FGL2 and 0.6978 for TXNDC5, with a combined AUC of 0.8944. Exploratory analysis using Mfuzz and three machine learning methods identified four plasma proteins potentially associated with CeD pathological grading (Marsh classification): FABP, CPOX, BHMT, and PPP2CB. We conclude that FGL2 and TXNDC5 deserve exploration as potential sensitive, noninvasive diagnostic biomarkers for CeD.

'It was hell on earth': perspectives of people living with celiac disease on diagnostic delay

BACKGROUND

Celiac disease (CD) is underdiagnosed and associated with diagnostic delays. This has long-term consequences for the health and well-being of people living with the condition. Little is known about the qualitative configurations of the assessment processes of people living with CD.

METHODS

Using a thematic network analysis of 24 in-depth interviews, this study explored the experiences of people living with CD related to their assessment processes leading to being diagnosed.

RESULTS

A significant diagnostic delay (up to 26 years) was evident in many interviews. Factors contributing to diagnostic delay included limited knowledge about CD among general practitioners (GP) and in the general population, categorisations of symptoms as 'typical' or 'atypical' and psychosomatic explanations of symptoms. Diagnostic delay resulted in (1) decreased psychological well-being due to severe symptoms, changes in self-perception and self-blame; (2) decreased physiological well-being due to comorbidities; and (3) mistrust in the healthcare system, leading to an increase in informants' responsibility for expediting their assessment processes. This suggested the presence of a neoliberal tendency because informants felt they were primarily responsible for their assessment processes.

CONCLUSIONS

We encourage the implementation of initiatives to increase awareness of CD among GPs as well as more consistent and frequent use of the screening guideline due to variations in its clinical presentation. Increased awareness and consistency could reduce variations in assessment processes given GPs' varying knowledge about the condition.

Celiac disease autoimmunity among Nigerian children and adolescents with type 1 diabetes mellitus

BACKGROUND

Celiac disease (CD) affects the small intestine and can hinder nutrient absorption. It is found worldwide and common in certain groups of people including individuals with Type 1 Diabetes Mellitus (T1DM). However, the prevalence of CD in the West African region is not documented. This study aimed to investigate the prevalence and pattern of CD autoimmunity in Nigerian children and adolescents diagnosed with T1DM.

METHODS

This was a cross-sectional descriptive study of children and adolescents with T1DM at the Paediatric Endocrinology Clinic of seven selected tertiary health facilities in Nigeria. Information was collected on socio-demographics, clinical characteristics and anthropometrics. The subjects were screened for markers of CD autoimmunity using anti-tissue transglutaminase antibody (tTG) and anti-endomysial antibody (EMA). Endoscopy and duodenal biopsy were recommended for participants with elevated CD-specific antibodies.

RESULTS

The study recruited a total of 104 children and adolescents with TIDM, out of which six participants (5.8%) had CD autoimmunity. All six participants were females, aged between 3 and 12 years, with a mean age of 9.2 ± 3.7 years. Participants with CD autoimmunity were more likely to have DM diagnosed before the age of 10 years compared to those without CD autoimmunity (83.3% vs. 37.7%, p = 0.149). Except for two participants, all individuals with CD autoimmunity experienced gastrointestinal symptoms such as nausea, vomiting, diarrhoea, and bloating.

CONCLUSION

This study highlights the occurrence of CD autoimmunity in Nigerian children and adolescents with TIDM. Healthcare providers should consider screening for celiac disease in children and adolescents with T1DM, particularly in females and when gastrointestinal symptoms are present. Additionally, the findings from this study suggest that there is a high probability of a significant burden of CD, even within the general population in Nigeria. Therefore, it's important to maintain a high level of suspicion and to actively screen at-risk groups in clinical settings to ensure early diagnosis of CD.

Nutritional Consequences of Celiac Disease and Gluten-Free Diet

Celiac disease is an immune-mediated condition triggered by gluten ingestion in genetically predisposed individuals. The global prevalence of celiac disease is significant, affecting approximately 1.4% of women and 0.7% of men, with incidence rates of 17.4 and 7.8 per 100,000 person-years, respectively. The clinical presentation of celiac disease may range from overt diarrhea and malabsorption to more subtle features such as nutritional deficiencies and extraintestinal manifestations. It is the most common cause of global malabsorption in Western countries. A life-long gluten-free diet is the only available treatment for celiac disease. Moreover, a gluten-free diet is often adopted by individuals without celiac disease, either to address non-celiac gluten sensitivity or for other reasons. This review aims to explore the current understandings of the nutritional consequences of untreated celiac disease and the impact of the gluten-free diet itself. Physicians and dietitians specializing in celiac disease should focus on providing a well-rounded nutritional scheme to address deficiencies caused by the disease and prevent the instauration of new nutritional imbalances.

Uncovering the gap: Coeliac disease knowledge among healthcare professionals in the Danube region

BACKGROUND

Several studies have shown that the knowledge about coeliac disease (CD) is not satisfactory among healthcare professionals (HCP). The aim of our study was to assess the knowledge of HCPs about CD in the Danube region.

METHODS

HCPs from 8 countries in the Danube region were asked to complete the web-based questionnaire about CD. Scores of HCPs were compared according to their speciality, work experience and country of residence. The results were compared with the results of a similar study conducted in Central Europe within the Focus IN CD project in 2016.

RESULTS

Questionnaire was completed by 799 HCPs from Austria, Croatia, Czech Republic, Hungary, Moldova, Romania, Serbia, and Slovenia. Mean score achieved by HCPs was 52.2%. Paediatric gastroenterologists scored the highest (75.3%). Comparing the data with the study conducted in Central Europe in 2016, we found a significant rise (p < 0.001) in the knowledge of paediatric gastroenterologists. Also, HCPs who previously took part in the Focus IN CD project, achieved higher score (61.1% vs. 50.8%; p < 0.001).

CONCLUSION

The knowledge about CD among HCPs in Danube region is not satisfactory. There has been a significant increase in the knowledge of paediatric gastroenterologists, showing the benefit of various awareness raising activities that were carried out recently.

Association of gut microbiota with lactose intolerance and coeliac disease: a two-sample Mendelian randomization study

Background and objectives

Lactose intolerance and coeliac disease are common clinical nutrient malabsorption disorders, with an unclear pathogenesis and limited therapeutic options. It is widely believed that the gut microbiota plays an important role in many digestive disorders, but its role in lactose intolerance and coeliac disease is not yet clear. This study aimed to investigate the correlation between gut microbiota and lactose intolerance and coeliac disease.

Materials and methods

This study utilized the genome-wide association study database to investigate the association between gut microbiota and lactose intolerance and coeliac disease using Mendelian randomization (MR). The robustness of our findings was confirmed through subsequent analyses including Cochrane's Q statistic, MR-Egger Intercept Regression, MR-PRESSO Global Test and Leave-one-out methods.

Results

By employing the inverse variance weighted method, we identified that family Veillonellaceae, genus Oxalobacter and Senegalimassilia were protective against lactose intolerance, whereas genus Anaerotruncus, Eubacterium rectale group and Ruminococcus2 were found to be risk factors for lactose intolerance. Regarding coeliac disease, class Bacilli and Gammaproteobacteria, family FamilyXIII and Veillonellaceae, genus Eisenbergiella, Lachnoclostridium, RuminococcaceaeUCG014 and Ruminococcus2 were identified as protective factors, while class Betaproteobacteria, genus Eubacterium xylanophilum group and Blautia were risk factors. Furthermore, reverse the MR analysis did not reveal any evidence of a causal relationship between lactose intolerance or coeliac disease and the bacteria identified in our study.

Conclusion

This study provides novel insights into exploring the role of gut microbiota in lactose intolerance and coeliac disease; however, further experiments investigations are required to elucidate the specific underlying mechanisms.

Understanding the patient's experience of coeliac disease diagnosis: a qualitative interview study

BACKGROUND

Coeliac disease (CD) presents with non-specific symptoms, and delays to diagnosis are common. The traditional diagnostic pathway involves serological testing followed by endoscopic biopsy; however, the evidence is increasing about the effectiveness of a diagnosis without the need for a biopsy.

AIM

To understand the patient's experience of being diagnosed with CD.

DESIGN AND SETTING

A qualitative study was conducted, which involved semi-structured interviews with adults diagnosed with CD living in the UK.

METHOD

Participants (n = 20) were purposefully sampled from 200 adults who had completed a diagnostic confidence survey. Interviews were conducted via video-conferencing software (Zoom), recorded, and transcribed verbatim. Data were analysed using reflexive thematic analysis.

RESULTS

Interviewees faced pre-diagnostic uncertainty, presenting with non-specific symptoms that many experienced for several years and may have normalised. GPs often attributed their symptoms to alternative diagnoses, commonly, irritable bowel syndrome or anaemia. Investigations caused further uncertainty, with half of the interviewees unaware that their initial serology included a test for CD, and reporting long waits for endoscopy and challenges managing their diet around the procedure. Their uncertainty reduced once they received their biopsy results. Endoscopy was presented as the 'gold standard' for diagnosis and most interviewees believed that the procedure was necessary for diagnostic confidence and conviction in a lifelong gluten-free diet.

CONCLUSION

Patients experience uncertainty on the pathway to a diagnosis of CD. GPs could improve their experiences by being mindful of the possibility of CD and sharing information about serological testing. Policy and guidance should address the time to endoscopy and diet during diagnosis. If diagnosis without biopsy is adopted, then consideration should be given to clinical pathway implementation and communication approaches to reduce patient uncertainty.

The Gluten-Free Diet for Celiac Disease: Critical Insights to Better Understand Clinical Outcomes

The gluten-free diet (GFD) remains a complex paradigm in managing celiac disease (CeD) in children and adults, and there are many reasons why GFD adherence should be strict to improve outcomes. However, this is a challenging task for patients, since they need to have access to quality healthcare resources that facilitate optimal GFD adherence. Understanding the strengths and weaknesses of the GFD, tackling coexisting nutritional deficiencies, and dealing with complex situations, such as seronegative CeD or non-responsive CeD, all require the involvement of a multidisciplinary team. The short- and long-term follow-up of CeD patients should preferably be performed by a combined Gastroenterology and Nutrition service with well-defined quality standards and the multidisciplinary involvement of physicians, nurses, dietitians, and psychologists. Nutritional advice and counseling by an experienced dietitian can reduce the costs associated with long-term follow-up of CeD patients. Likewise, psychological interventions may be essential in specific scenarios where implementing and sustaining a lifelong GFD can cause a significant psychological burden for patients. This manuscript aims to provide guidelines to improve clinical practice in the follow-up and monitoring of CeD patients and provide information on the nutritional risks of an ill-advised GFD. Clinicians, biochemists, food technologists, dietitians, and psychologists with a global view of the disease have been involved in its writing.

Prevalence of vomiting and nausea and associated factors after chronic and acute gluten exposure in celiac disease

BACKGROUND

Vomiting and nausea seem to be relatively specific symptoms related to gluten ingestion in treated celiac disease. However, the overall prevalence and associated factors of these symptoms after chronic gluten exposure at celiac disease diagnosis and acute re-exposure during gluten challenge remain obscure.

METHODS

Medical data on 815 adult celiac disease patients were collected at diagnosis from the medical records and through supplementary interviews. An additional 74 patients underwent a three-day (10 g/day) gluten challenge (wheat, barley, rye or a combination of the three grains) while in remission. Prevalence of vomiting/nausea and associated factors were evaluated in both cohorts. A literature review was conducted to summarize earlier studies.

RESULTS

Twenty-eight (3%) patients presented with vomiting at diagnosis. They were less often screen-detected and suffered from extra-intestinal symptoms, and had more often abdominal pain (71% vs. 49%, p = 0.021), diarrhea (61% vs. 40%, p = 0.031), weight loss (36% vs. 17%, p = 0.019) and childhood symptoms (61% vs. 33%, p = 0.002) than those without vomiting (n = 787). The groups were comparable in other clinical-demographic data and in genetic, serological, and histological findings. Short-term gluten challenge provoked vomiting/nausea in 14/74 (19%) patients. They consumed gluten-free oats less often than those without these symptoms (64% vs. 92%, p = 0.017), whereas the groups did not differ in clinical-demographic features at diagnosis, presence of comorbidities, duration of gluten-free diet, or in other symptoms or grain used ingested during the challenge. According to the literature, prevalence of vomiting/nausea at celiac disease diagnosis has varied 3-46% and during gluten challenge 13-61%.

CONCLUSIONS

In chronic gluten exposure at celiac disease diagnosis, vomiting was associated with other gastrointestinal symptoms and onset of symptoms already in childhood, whereas regular consumption of oats may increase the tolerance against vomiting/nausea after acute re-exposure in treated celiac disease.

Celiac Disease and Disorders of Gut-Brain Interaction: What School Nurses Need to Know

Abdominal pain and discomfort are common reasons students visit the school health office. Abdominal pain, in children, may be related to gastrointestinal conditions such as celiac disease (CD) or disorders of gut-brain interaction (DGBIs). Both CD and DGBIs, formerly known as functional abdominal pain disorders, are both prevalent in the pediatric population. Manifestations, presentation, and management of these disorders overlap and will be reviewed in this article. Due to their chronic nature, school nurses should be aware of both the management and complications associated with CD and DGBIs. Dietary recommendations, including the gluten-free and low-fermentable oligosaccharides, disaccharides, monosaccharides, and polyols (FODMAPS) diet, will be presented as part of the management of the disorders.

Celiac disease and risk of neuropsychiatric disorders: A nationwide cohort study

INTRODUCTION

Previous studies have indicated that patients with celiac disease (CD) may have an increased risk of developing neuropsychiatric disorders. However, large-scale epidemiologic studies on the topic are still scarce. We aimed to examine the association between CD and development of neuropsychiatric disorders during an 18-year follow-up period.

METHODS

We conducted a prospective cohort study. All Danish patients with an incident diagnosis of CD (ICD-10 K90.0) from 2000 to 2018 were identified in nationwide registries and compared with birthdate- and sex-matched controls (variable 1:10 ratio) for the development of a neuropsychiatric disease. Individual neuropsychiatric diseases were also examined. The absolute risk was calculated by the cumulative incidence, and the relative risk was estimated in Cox regression models.

RESULTS

We identified a cohort of 6329 patients with CD diagnosed from 2000 to 2018 and 63,287 matches at risk for developing incident neuropsychiatric disorders. The cumulative incidence of development of any neuropsychiatric disorder was 3.9%, 14.9%, 24.8%, 35.9% after 1, 5, 10, and 15 years of follow-up, respectively, in patients with CD compared with 1.8%, 9.3%, 18.3%, and 27.0% in controls. Gray's test for equality p < 0.001. The relative risk was HR = 1.58 (95% confidence interval: 1.49-1.68) in CD patients compared with matches. For the individual outcomes, CD was associated with an increased relative risk of developing anxiety, depression, eating disorders, epilepsy, migraine, and stress. We also found indications of an increased relative risk of ADHD, alcoholism, bipolar disorders, and drug abuse, although the associations were less clear. No associations were found between CD and dementia, Parkinson's disease, and schizophrenia.

CONCLUSIONS

In this nationwide study including more than 6000 patients with CD, we found an increased risk of development of a neuropsychiatric disorder compared with age- and sex-matched controls. The causes and the clinical relevance of these associations remain to be elucidated.

Celiac Disease and Cardiovascular Risk: A Retrospective Case-Control Study

Background: The association of celiac disease (CD) with premature atherosclerosis, including increased carotid artery intima-media thickness and cardiovascular disease (CVD), is controversial. The aim of this study was to investigate this relationship. Methods: Clinical records of patients from Northern Sardinia referred to the Gastroenterology section of the Department of Medicine, University of Sassari, Italy, were analyzed. Unadjusted and adjusted odds ratios (ORs) for CVD with their 95% confidence intervals (CIs) were calculated according to established risk factors, including age, sex, diabetes, dyslipidemia, overweight/obesity, blood hypertension, and cigarette smoking, as well as a possible risk factor such as H. pylori infection. Results: In a total of 8495 patients (mean age 52.1 ± 17.3 years; 64.7% females), 2504 reported a diagnosis of CVD and 632 of CD. Logistic regression analysis showed a significantly reduced risk of CVD among patients with CD (OR 0.30, 95% CI 0.22–0.41). Moreover, the long duration of the gluten-free diet (GFD) was able to lower the risk of CVD in celiac patients. Finally, CD significantly decreased the frequency of carotid plaques (11.8% vs. 40.1%, p < 0.001). Conclusions. Our retrospective study demonstrated that CD reduces the risk of CVD in general and more specifically of carotid lesions after adjusting for potential confounders, especially in those on GFD for a long time.

Coeliac Disease Case-Control Study: Has the Time Come to Explore beyond Patients at Risk?

The worldwide prevalence of asymptomatic coeliac disease (CD) is increasing, which is in part due to the routine screening of children with risk factors. Both symptomatic and asymptomatic patients with CD are at risk of long-term complications. The objective of this study was to compare the clinical characteristics of asymptomatic and symptomatic children at the time of CD diagnosis. A case-control study was conducted using data from a cohort of 4838 CD patients recruited from 73 centers across Spain between 2011 and 2017. A total of 468 asymptomatic patients (cases) were selected and matched by age and sex with 468 symptomatic patients (controls). Clinical data, including any reported symptoms, as well as serologic, genetic, and histopathologic data were collected. No significant differences were found between the two groups in most clinical variables, nor in the degree of intestinal lesion. However, the asymptomatic patients were taller (height z-score -0.12 (1.06) vs. -0.45 (1.19), p < 0.001) and were less likely to have anti transglutaminase IgA antibodies ≥ 10 times the upper normal limit (66.2% vs. 758.4%, p = 0.002). Among the 37.1% of asymptomatic patients who were not screened for CD due to the absence of risk factors, only 34% were truly asymptomatic, while the remaining 66% reported non-specific CD-related symptoms. Therefore, expanding CD screening to any child who undergoes a blood test could reduce the burden of care for some children, as many of those considered asymptomatic reported non-specific CD-related symptoms.

Malignancies in Patients with Celiac Disease: Diagnostic Challenges and Molecular Advances

Celiac disease (CD) is a multiorgan autoimmune disorder of the chronic intestinal disease group characterized by duodenal inflammation in genetically predisposed individuals, precipitated by gluten ingestion. The pathogenesis of celiac disease is now widely studied, overcoming the limits of the purely autoimmune concept and explaining its hereditability. The genomic profiling of this condition has led to the discovery of numerous genes involved in interleukin signaling and immune-related pathways. The spectrum of disease manifestations is not limited to the gastrointestinal tract, and a significant number of studies have considered the possible association between CD and neoplasms. Patients with CD are found to be at increased risk of developing malignancies, with a particular predisposition of certain types of intestinal cancer, lymphomas, and oropharyngeal cancers. This can be partially explained by common cancer hallmarks present in these patients. The study of gut microbiota, microRNAs, and DNA methylation is evolving to find the any possible missing links between CD and cancer incidence in these patients. However, the literature is extremely mixed and, therefore, our understanding of the biological interplay between CD and cancer remains limited, with significant implications in terms of clinical management and screening protocols. In this review article, we seek to provide a comprehensive overview of the genomics, epigenomics, and transcriptomics data on CD and its relation to the most frequent types of neoplasms that may occur in these patients.