Diana Stuber, MA, RD, CDE Joslin Diabetes Center Upstate Medical University Syracuse, NY [email protected] Joslin Diabetes Center 2012 Discuss the spectrum of gluten-related disorders Define celiac disease (CD) Identify key indicators of risk of CD Describe the treatment of CD Discuss celiac disease and diabetes Joslin Diabetes Center 2012 Allergic reactions Wheat allergy (baker’s asthma, food allergy, wheatdependent exercise-induced anaphylaxis) Autoimmune reactions Celiac disease Dermatitis herpetiformis (DH) Gluten ataxia Immune-mediated form Gluten sensitivity (GS) Sapone, et al, BMC Medicine. 2012; 10:13 Joslin Diabetes Center 2012 Defined as a gluten reaction in which both allergic and autoimmune mechanisms have been ruled out Has been estimated that 18 million in U.S. may have gluten sensitivity* Individuals with GS often have non-GI symptoms like headache, “foggy mind,” joint pain and numbness in the legs, arms or fingers *BMC Medicine. 2011, 9:23 doi:10.1186/1741-7015-9-2 Diagnosis Negative immuno-allergy tests to wheat or negative CD serology where IgA deficiency has been ruled out Normal duodenal biopsy results Possible presence of biomarkers of native gluten immune reaction (anti-gliadin antibody positive) With clinical symptoms that can overlap with CD or wheat allergy Show resolution on a gluten-free diet (ideally implemented in blinded fashion to avoid placebo effect) Celiac disease (CD) is an autoimmune disorder occurring in genetically susceptible individuals who develop an immune response to gluten and related proteins found in wheat, barley and rye This immune response causes inflammation and atrophy of the small intestine, resulting in malabsorption Joslin Diabetes Center 2012 It is a unique autoimmune disorder: Both the environmental trigger (gluten) and the autoantigen (tissue transglutaminase or tTG) are known Elimination of the environmental trigger leads to resolution of symptoms and/or some manifestations of the disease Joslin Diabetes Center 2012 Celiac disease Villous atrophy Malnutrition London, year 1938 Joslin Diabetes Center 2012 Central Nervous System Skin and Mucosa Dermatitis herpetiformis Aphthous stomatitis Hair loss Hepatitis Cholangitis Bone Osteoporosis, fractures Arthritis Dental anomalies Ataxia, seizures Depression Carditis, Cardiomyopathy Anemia Reproductive Miscarriage, infertility Delayed puberty Hair loss Joslin Diabetes Center 2012 Figure 1. World map by WHO Regions, as used as the basis for modeled estimates, showing underlying assumptions about the population prevalence of childhood coeliac disease. Byass, et al, PLoS ONE. 2011; 6(7):e22774 Joslin Diabetes Center 2012 In general population: 1:100 (1%) With related conditions: 1:56 (1.8%) In 1st degree relatives: 1:22 (4.5%) Monozygotic twins: 1:1.4 (70%) In 2nd degree relatives: 1:39 (2.6%) In African, Hispanic, AsianAmericans: 1:256 (0.4%) Fasano, et al, Archives of Internal Medicine. 2003; 163:286 In 1st degree relatives:* 1:10 (10%) In sisters 17.6% (29% if DQ2 or DQ8 +) In brothers 10.8% (15% if DQ2 or DQ8 +) In parents 3.4% (6% if DQ2 or DQ8 +) Monozygous twins** 86% Dizygous twins 20% *Kneepens, et al, Eur J Pediatr. 2012; 171:1011 **Greco, et al, Gut. 2002; 50:624 Joslin Diabetes Center 2012 In general population: 1:100 (1%) With related conditions: 1:56 (1.8%) In 1st degree relatives: 1:22 (4.5%) Monozygotic twins: 1:1.4 (70%) In 2nd degree relatives: 1:39 (2.6%) In African, Hispanic, AsianAmericans: 1:256 (0.4%) Fasano, et al, Archives of Internal Medicine. 2003; 163:286 Autoimmune disorders Type 1 diabetes Thyroiditis Arthritis (RA) Autoimmune liver disease Sjögren Syndrome IgA nephropathy 2-16% 4-8% 1-8% 6-8% 2-15% 3.6% Genetic disorders Turners syndrome Downs syndrome Williams syndrome IgA deficiency 4-8% 5-12% 8% 7% NIH Consensus Development Statement on Celiac Disease, 2004 Joslin Diabetes Center 2012 The total prevalence of CD nearly doubled in the last 20 years in Finland1 Prevalence of CD has increased more than 4fold in the U.S. in the last 50 years2 CD prevalence increased 2-fold in the study group and 5-fold overall in the U.S. since 19743 From 1999 to 2008, cases of celiac disease in the U.S. increased 5-fold4 1) 2) 3) 4) Lohi, et al, Ailment Pharmacol Ther. 2007; 26:1217 Rubio-Tapia, et al., Gastroenterology, 2009; 137:88 Catassi, et al, Ann Med, 2010; 42:530 Riddle, et al, Am J Gastroenterol, 2012; 107:1248 ~ 30% of the general population has DQ2 or DQ8 Homozygous HLA-DQ2 may increase the risk and severity of CD, including refractory CD (binds a wider range of gluten peptides) At least one in 20 who carry HLA-DQ2 will develop CD About one in 150 who have HLA-DQ8 will develop CD Those with other HLA-DQ genes are protected against CD Over 90% of CD patients have HLA-DQ2 heterodimer Since 30% of population may carry HLA-DQ2 but only about 1% of the population has CD, other non-HLA genes must be involved Joslin Diabetes Center 2012 Common disease variants IL18RAP Heap, G. A. et al. Hum. Mol. Genet. 2009 18:R101-106R; doi:10.1093/hmg/ddp001 The “hygiene hypothesis” Humans have adapted to a pathogen-rich environment that no longer exists in industrialized societies This change has reduced the exposure of the immune system to antigens The immune system overreacts, favoring the development of chronic inflammatory conditions (Recent reports suggest that part of susceptibility alleles for autoimmune disease might be maintained in human population because they confer increased resistance against infection) Joslin Diabetes Center 2012 What we eat, when we start eating “it” and how much Gut is leakier < 4 months, so when babies eat gluten before 4 months it might increase the risk of CD - cereals too late (after 6 months) may miss the window for developing tolerance Breast feeding through introduction of cereals may be protective Change from rice as staple grain to wheat may cause increase in prevalence in South Asia and West Pacific regions Joslin Diabetes Center 2012 Modern varieties of wheat have greater amounts of celiac disease epitopes Germs, viruses, chemicals, surgeries or other stresses we are exposed to that may cause a disturbance of the mucosal integrity (leaky gut) Joslin Diabetes Center 2012 HLA-DQ2 E tissue transglutaminase (tTG) Digestion Deamidation Q T-cell E IFN “Gluten” proteins Resistant peptides Injury Villous atrophy Joslin Diabetes Center 2012 Normal small bowel Celiac disease Gluten (> 4hr) Gluten-free diet Joslin Diabetes Center 2012 Joslin Diabetes Center 2012 Classic Near/total malabsorption; usual age at presentation: 6-24 months Diarrhea Abdominal distension Anorexia Failure to thrive/wt loss Abdominal pain Vomiting Constipation Atypical Some malabsorption; usual age at presentation: older child to adult Anemia Short stature Osteopenia Recurrent abortions Hepatic steatosis Abdominal pain 60% of newly diagnosed children and 41% of adults in US had no symptoms Only 35% newly diagnosed had diarrhea Fasano, et al, Arch Int Med. 2003; 163:286 Joslin Diabetes Center 2012 Most common age at presentation: older child to adult Dermatitis herpetiformis Dental enamel hypoplasia Ataxia Alopecia Primary biliary cirrhosis Isolated hypertransaminasemia Recurrent aphthous stomatitis Fertility problems Myasthenia gravis Recurrent pericarditis Psoriasis Polyneuropathy Epilepsy Vasculitis Dilative cardiomyopathy Hypo/hyperthyroidism Intestinal lymphoma May be related to autoimmune inflammation or tTG targets: 9 identified human transglutaminase enzymes TG2 in CD, TG3 in DH, TG6 in gluten ataxia Joslin Diabetes Center 2012 Joslin Diabetes Center 2012 Test Sensitivity % Specificity % Comments IgA-tTg* 98 (86-100) 98 (90-100) Lower cost, ease of test, reliability – for initial screening IgG/IgA-DPG-AGA* 97 (75-99) 95 (87-100) Very good in children <2 yr; can identify CD in pts with IgA deficiency IgA-EMA 95 (86-100) 99 (97-100) Operator dependent, prone to subjective error, expensive HLA typing 98% Good negative predictive value IgA deficiency* Biopsy Ig-A antibodies will be negative; test IgG-tTg and/orDPG Poor High Damage can be pathcy; depends on grade cut-off point, biopsy orientation, pathologist * Celiac Panel at Upstate Medical University Joslin Diabetes Center 2012 European Society for Pediatric Gastroenterology, Hepatology, and Nutrition Guidelines for the Diagnosis of Coeliac Disease. Husby, S; Koletzko, S; Korponay-Szabo, IR; Mearin, ML; Phillips, A; Shamir, R; Troncone, R; Giersiepen, K; Branski, D; Catassi, C; Lelgeman, M; Maki, M; Ribes-Koninckx, C; Ventura, A; Zimmer, KP; for the ESPGHAN Working Group on Coeliac Disease Diagnosis, on behalf of the ESPGHAN Gastroenterology Committee Journal of Pediatric Gastroenterology & Nutrition. 54(1):136-160, January 2012. DOI: 10.1097/MPG.0b013e31821a23d0 Joslin Diabetes Center 2012 FIGURE 1 . Symptomatic patient. CD = coeliac disease; EMA = endomysial antibodies; F/u = follow-up; GFD = gluten-free diet; GI = gastroenterologist; HLA = human leukocyte antigen; IgA = immunoglobulin A; IgG = immunoglobulin G; OEGD = oesophagogastroduodenoscopy; TG2 = transglutaminase type 2. 7 Copyright 2012 by ESPGHAN and NASPGHAN. Published by Lippincott Williams & Wilkins, Inc. Joslin Diabetes Center 2012 FIGURE 2 . Asymptomatic patient. See Fig. 1 for definitions. 8 Copyright 2012 by ESPGHAN and NASPGHAN. Published by Lippincott Williams & Wilkins, Inc. Joslin Diabetes Center 2012 AGA recommends ≥4 biopsy samples of the small intestine (distal duodenum) Of 132,352 pts with biopsy (2005-2009), only 35% had at least 4 biopsies (ave. was 2)* With suspected malabsorption/CD, 39.5% had ≥4 biopsies Diagnosis of CD was doubled in pts with at least 4 biopsies 2012 ESPGHAN Guidelines for the Diagnosis of Coeliac Disease recommends at ≥ 1 biopsy from the duodenal bulb and ≥ 4 from D2 and D3** *Lewohl, et al, Gastrointestinal Endoscopy. 2011; 74:103 **Husby, et al, J Ped Gastroenterol and Nutr. 2012; 54:136 Joslin Diabetes Center 2012 Normal 0 Infiltrative 1 Partial atrophy 3a Subtotal atrophy 3b Hyperplastic 2 Total atrophy 3c Horvath K. Recent Advances in Pediatrics. 2002. Joslin Diabetes Center 2012 Type 1 diabetes occurs in about one in 300 individuals and is associated with other autoimmune diseases* Autoimmune thyroid disease in 15-30% Celiac disease in 4-9% Addison disease in 0.5% Additional autoimmune disease was found in 33% of patients at onset of type 1 diabetes* *Triolo, et al, Diabetes Care. 2011; 34:1211 Joslin Diabetes Center 2012 All adult patients with Type 1 diabetes should be screened at least once, then every 2-3 years, or with GI symptoms or “brittle diabetes” Pediatric patients are screened at diagnosis, then yearly, or with GI symptoms or failure-tothrive In other endocrine patients consider screening with non-response to thyroid hormone replacement, “unexplained” or resistant-totreatment osteoporosis, or “classic” symptoms of CD Joslin Diabetes Center 2012 Diabetes-specific symptoms in CD may include Unpredictable blood sugars (“brittle diabetes”) Hypoglycemia within 2 hours of a meal Hypoglycemia that doesn’t respond to treatment Treatment of low blood glucose Use glucose tablets, juice, regular soda, raisins Milk might not be tolerated Potato or corn chips may be used, but are slower to act because of fat content A1C may not improve with GFD Nutrient absorption improves Insulin requirements may increase Pts may gain weight, even without weight loss prior to diagnosis of CD, but some overweight/obese adults lose wt* Hypoglycemia may be less frequent *Cheng, et al, J Gastroenterol. 2010; 44:267 Joslin Diabetes Center 2012 “Starter menus” for CD may be inconsistent in carbs and carb content is not usually provided* Carb and fat content of GF substitutes are often higher than the gluten-containing version Prior to CD diagnosis, cholesterol levels may be low, but as the mucosa heals total cholesterol levels may rise (and HDL may improve**) *Counting Gluten-Free Carbohydrates can be found at www.csaceliacs.org **Capristo, et al, J Gastroenterol. 2009; 43:946 People with biopsy-proven celiac disease are at three-fold increased risk of future end-stage renal disease Increased risk of ESRD is seen irrespective of age at CD diagnosis Adjusting for diabetes had only a marginal effect on risk estimate Welander, et al, Gut. 2012; 61:64 Currently, the only treatment is a life-long gluten-free diet (GFD) Eliminate gluten, expand repertoire of GF foods, optimize nutrient intake GFD should not be recommended unless diagnosis is confirmed Joslin Diabetes Center 2012 a b Wheat flour Endopeptidase Celiac-safe flour Polymeric binder Gluten Vaccines and Biological therapies c a e Modulation of the cytokine network, cell markers and cell recruitment d (i) Modulator of paracellular permeability d b-c GI LUMEN Zonulin LAMINA PROPRIA Activated LTCD4+ Deamidation by tTG2 (ii) TGinhibitor APC HLA-DQ2/8 Pinier, et al, Am J Gastroenterol. 2010; 105:2551 Joslin Diabetes Center 2012 Wheat: Bran Bulgur Couscous Cracked Wheat Durum Flour Farina Graham Flour Matzo Semolina Wheat Bran Wheat Germ Wheat Starch Wheat varieties: Einkorn Emmer Kamut Spelt (Dinkel) Triticale Barley: Malt Malt Beverages Malt Extract Malt Flavoring Malted Milk Malt Syrup Malt Vinegar Rye Joslin Diabetes Center 2012 Applied to labels of FDA regulated foods starting Jan. 1, 2006 USDA regulated foods do not require identification of allergens Labels must state if the food contains: Milk Eggs Fish Tree nuts Crustacean shellfish Peanuts Wheat Soynuts Joslin Diabetes Center 2012 Define “gluten-free” Proposed 20 ppm 0.0007 oz gluten per lb of food 50 mg gluten per day probably safe, = 0.0018 oz/day Develop rules that permit the use of “gluten-free” on the food label Labels that state “naturally gluten-free food” may not be glutenfree* FDA solicited more comments in 2011 Expected to publish rules by the end of fiscal 2012 *Thompson, et al, J Am Diet Assoc. 2010;110:937 Joslin Diabetes Center 2012 Fresh, frozen or canned fruits and vegetables Fresh meats, poultry, seafood, fish, game, eggs, some processed meats, dried peas, beans, lentils, tofu Milk, yogurt, aged, natural cheese Oils, tree nuts, seeds, natural peanut butter, salad dressing, spreads Honey, sugar, pure maple syrup, corn syrup, jams, jellies, candy, ice cream Pure spices and herbs, salt, soy sauce without wheat, cider, wine, distilled and nonmalt vinegars Coffee ground from whole beans, brewed tea, distilled alcoholic beverages Joslin Diabetes Center 2012 Amaranth Arrowroot Whole-bean flour Buckwheat Corn*, cornstarch Flax Job’s tears Millet Nut flours Oats, oat bran, oat gum** Pea flour Potato, sweet potato, yam, potato flour, potato starch Quinoa Rice, wild rice, rice bran, rice flour Sago Sorghum Soy Tapioca Teff *Some with CD reacted to corn **Controversial Joslin Diabetes Center 2012 Oats: The immunogenicity of oat varies according to the cultivar* After resolution of symptoms up to ½ cup dry rolled oats or ¼ cup dry steel cut oats per day Barley lines that lack D and C-hordeins were found to be 20-fold less immunotoxic than wildtype barley** *Comino, et. al., Gut. 2011; 60:915 **Tanner, et. al., Ailment Pharmacol Ther. 2010; 32:1184 Joslin Diabetes Center 2012 Patients with no nutritional deficiencies have the same nutritional requirements as the general population Healing takes 6 months to 2 years, although complete recovery in adults is rare* Lactose intolerance is common at diagnosis Studies suggest that osteopenia and vitamin and mineral deficiencies resolve on the diet GF foods may be lower in thiamin, riboflavin, niacin, folate, iron, and fiber (not fortified) A GF daily multivitamin may be recommended in patients with CD *Rubio-Tapia, et al, Am J Gastroenterol. 2010 Medscape posted: 01/23/2011 Joslin Diabetes Center 2012 Nutrient Vegetables Fruits Protein Dairy GF Grains Calcium Leafy greens, sea vegetables Fortified orange juice, dried fruit Ca-rich soy products, beans, sardines (with bones) Milk, yogurt, cheese, fortified soymilk Quinoa , brown rice Iron Spinach, other leafy greens Magnesium Leafy greens, peas Bananas, dried apricots, avocados Vitamin D Plant oils (eg, olive) Avocados Salmon, nuts, enriched eggs Vitamin E Leafy greens, vegetable oils Kiwi, mango Nuts, seeds Vitamin K Leafy greens, broccoli, soybean oil Beef , poultry, fish, seafood (heme) Beans, tofu (nonheme) Amaranth, teff, buckwheat, quinoa Fortified milk GF whole grains Milk, dairy Joslin Diabetes Center 2012 Nutrient Vegetables Fruits Leafy greens vegetables Niacin Vitamin B6 Green and leafy vegetables Folate Leafy green vegetables Fruits GF Grains Whole grains Meat Milk, yogurt, cottage cheese Whole-grain or enriched breads and cereals Eggs, meat, poultry, fish , nuts, other protein-rich foods Milk Whole-grain or enriched breads and cereals Meats, fish, poultry, shellfish, legumes Whole grains Legumes, seeds, liver Animal products B-12 Fiber Dairy Pork, ham, bacon, liver, legumes, nuts Thiamin Riboflavin Protein Vegetables, Fresh fruits Legumes, seeds Whole grains Joslin Diabetes Center 2012 There are many new gluten-free foods available The compound annual growth rate for gluten-free products rose 28% in the U.S. over the last 4 years The U.S. market is predicted to hit $4.2 billion by the end of this year and $6.6 billion by 2017 More major food manufacturers are labeling their foods as gluten-free The IRS allows a tax deduction for the increased cost of gluten-free foods Joslin Diabetes Center 2012 Naturally GF foods cost less than GF substitutes Potatoes Rice Corn, corn tortillas Homemade foods may cost less than processed GF foods like bread, pizza, canned or frozen meals The cost of GF foods replaces the cost of “pills” Joslin Diabetes Center 2012 The diagnosis can be “shocking” and depression or sadness are common Gluten is found in ~ 90% of processed foods Hard to tell whether foods contain gluten Labels can be unreliable and difficult to understand Gluten is a hidden ingredient in many food and non-food items (pharmaceuticals, vitamins, cosmetics, other products) Joslin Diabetes Center 2012 Cultivation of grains (leftover wheat seeds in the field) Harvesting and shipping of grains (bins, rail cars, trucks) Processing (shared equipment) Stores (bulk sale bins/scoops) Home Shared kitchen items such as toasters, counters, utensils (no wooden spoons, wooden cutting boards, etc.), storage containers, jars of jam, peanut butter, and other spreads (no double-dipping), hand towels... Restaurants Pans, grills, deep-fat fryers used for multiple foods Serving utensils used in buffets Kitchen and wait staff: “Educate, separate, sanitize” Joslin Diabetes Center 2012 It is hard to eat out* There may be limited availability and variety of GF foods The price is high and to some the palatability low All these factors can lead to problems with the adoption of and adherence to the diet *Gluten Intolerance Group Restaurant Dining: Seven Tips for Staying Gluten-Free at www.gluten.net Joslin Diabetes Center 2012 Gluten-related disorders include wheat allergy, celiac disease and gluten sensitivity The incidence of CD is increasing The risk of CD is higher in Type 1 DM and other autoimmune diseases Ask pts about diarrhea, abdominal pain and “rashes” Refer your patients with CD to the dietitian Joslin Diabetes Center 2012 American Celiac Society 59 Crystal Avenue West Orange, NJ 07052 973-325-8837 Email: [email protected] Celiac Disease Foundation 13251 Ventura Blvd, Suite 1 Studio City, CA 91604 818-990-2354 www.celiac.org email: [email protected] Canadian Celiac Association 90 Britannia Road East, Unit 11 Misissauga, ON L4Z 1W6 Canada 905-507-6208 or 800-363-7296 www.celiac.ca Gluten Intolerance Group of North America 15110 10th Ave SW, Suite A Seattle, WA 98166-1820 206-246-6652 www.gluten.net email: [email protected] Celiac Sprue Association/ USA Inc P.O. Box 31700 Omaha, NE 68131-0700 402-558-0600 www.csaceliacs.org email: [email protected] Celiac.com www.celiac.com Gluten Free Mall www.glutenfreemall.com 707-509-4528 (Information) 800-986-2705 (Orders only) Joslin Diabetes Center 2012
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