#48 - 🧬 When celiac brings friends along

Hey readers! 👋

Welcome back to another week of celiac and gluten-free news. This week we've got a fascinating look at how autoimmune diseases cluster together in children, a practical deep-dive on the oat question (you know the one), some real talk from the community about dining out frustrations, and a French comfort food recipe that's calling your name. Let's get into it.

Incidence and co-occurrence of six autoimmune diseases in childhood: a population-based cohort study in Norway - A large Norwegian study followed all children born between 2004 and 2020 and found that over 14,000 developed at least one autoimmune disease by age 18, with 5% receiving two or three distinct autoimmune diagnoses. Celiac disease was one of six conditions tracked alongside type 1 diabetes, inflammatory bowel disease, juvenile idiopathic arthritis, autoimmune thyroid disease, and autoimmune liver disease. - PubMed

For parents and practitioners, this is a useful reminder. If a child has celiac disease, staying alert to symptoms of other autoimmune conditions isn't being overly cautious, it's being informed. The study also found regional and socioeconomic variation in incidence, which suggests early-life environmental factors may play a shared role across these diseases.

New Research Reveals How Antibody Genes May Shape the Immune Response in Celiac Disease - Researchers sequenced B cell receptor genes in people with celiac disease and healthy controls, finding that inherited genetic variants influence which antibody gene segments are available before the immune system ever encounters gluten. Interestingly, while some of these gene segments overlap with those seen in celiac-related antibody responses, the study didn't find strong evidence that these variants directly increase celiac disease risk. The takeaway: genetics shapes the immune toolkit, but environmental triggers like gluten exposure are still needed to drive disease. - Celiac.com

Non-celiac wheat gluten sensitivity model: evaluation of gastric and intestinal mucosal cells in Wistar rats - An animal study found that rats fed high-gluten diets over 100 days developed intestinal inflammatory changes, including increased intraepithelial lymphocytes, even without celiac disease. The inflammatory signals were concentration-dependent and more evident in the intestine than the stomach. While animal models don't translate directly to humans, this adds to the growing body of evidence that prolonged high-gluten exposure may trigger mucosal changes outside of celiac disease. - PubMed

Cavitating mesenteric lymph node syndrome: a rare complication of celiac disease - A case report describes CMLNS, a rare celiac complication where mesenteric lymph nodes develop cystic cavities that can mimic malignancy on imaging. The 46-year-old patient improved with a gluten-free diet, nutritional support, and corticosteroids. Clinicians should keep CMLNS on the differential for celiac patients with refractory symptoms and unusual imaging findings. - PubMed

Pure oats are gluten-free. The box on the shelf probably isn't. - This is one of the most common questions in the celiac community, and this article does a thorough job explaining the difference between "certified gluten-free" oats (tested to stay under 20 ppm) and "purity protocol" oats (grown and processed with dedicated equipment from seed to shelf). It also addresses avenin, the oat protein that triggers immune responses in an estimated 1-8% of celiacs even when oats are completely uncontaminated. If you've reintroduced oats and noticed symptoms returning, this is worth a read. - Jim Markus, Gluten Free Palate

Skittles are gluten free, but there's one caveat you should know - Standard U.S. Skittles contain no wheat, barley, rye, or malt, but they aren't third-party certified gluten-free and are produced in shared facilities. Most celiacs can enjoy them safely based on ingredients, but those highly sensitive to trace cross-contact may want to consider certified alternatives. - Gluten Free Palate

Classic French Comfort Made Safe: A Hearty Gluten-Free Cassoulet - If you're looking for a weekend cooking project, this gluten-free cassoulet swaps wheat breadcrumbs for a gluten-free crumb topping while keeping everything else traditional: creamy white beans, savory meats, and a long, gentle bake. Comfort food season isn't over yet. - Celiac.com

Virginia Gluten Disclosure Bill for Medications Delayed After Debate Over Federal Rules - A Virginia bill that would have required manufacturers to disclose gluten in medications and supplements was delayed after debate about conflicts with federal labeling rules. The bill was prompted by a state official with celiac disease who described being told by pharmacy staff that they couldn't determine whether wheat was in her prescription.

While the bill didn't advance this session, lawmakers plan further study. This remains a real gap: food labeling has come a long way, but pharmaceutical labeling still leaves many celiac patients guessing.

That's all for this week. As always, we'd love to hear from you, hit reply with questions, comments, or feedback. 💬

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