science

Gluten-sensitive enteropathy–associated conditions

Gluten-sensitive enteropathy–associated conditions is a science topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand Gluten-sensitive enteropathy–associated conditions rather than just read about it. In short: Gluten-sensitive enteropathy–associated conditions are comorbidities or complications of gluten-related gastrointestinal distress (that is, gluten-sensitive enteropathy or GSE). GSE has key symptoms typically restricted to the bowel and associated tissues; however, there are a wide variety of associated conditions.

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Reference excerpt

Gluten-sensitive enteropathy–associated conditions are comorbidities or complications of gluten-related gastrointestinal distress (that is, gluten-sensitive enteropathy or GSE). GSE has key symptoms typically restricted to the bowel and associated tissues; however, there are a wide variety of associated conditions. These include bowel disorders (diarrhoea, constipation, irritable bowel), eosinophilic gastroenteritis and increase with coeliac disease (CD) severity. With some early onset and a large percentage of late onset disease, other disorders appear prior to the coeliac diagnosis or allergic-like responses (IgE or IgA, IgG) markedly increased in GSE. Many of these disorders persist on a strict gluten-free diet (GF diet or GFD), and are thus independent of coeliac disease after triggering. For example, autoimmune thyroiditis is a common finding with GSE. However, GSEs' association with disease is not limited to common autoimmune diseases. Coeliac disease has been found at increased frequency on followup to many autoimmune diseases, some rare. Complex causes of autoimmune diseases often demonstrates only weak association with coeliac disease. The frequency of GSE is typically around 0.3 to 1% and lifelong risk of this form of gluten sensitivity increases in age, possibly as high as 2% for people over 60 years of age. This coincides with the period in life when late-onset autoimmune diseases also rise in frequency. Genetic studies indicate that coeliac disease genetically links to loci shared by linkage with other autoimmune diseases. These linkages may be coincidental with how symptomatic disease is selected from a largely asymptomatic population.

Associated blood disorders

Deficiencies Avitaminosis. Avitaminosis caused by malabsorption in GSE can result in decline of fat soluble vitamins and vitamin B, as well as malabsorption of essential fatty acids. This can cause a wide variety of secondary problems. Hypocalcinemia is also associated with GSE. In treated GSE, the restrictions on diet as well as reduced absorption as a result of prolonged damage may result in post-treatment deficiencies.

Vitamin A – Poor absorption of vitamin A has been seen in coeliac disease. and it has been suggested that GSE-associated cancers of the esophagus may be related to vitamin A deficiency Folate – Folate deficiency is believed to be primary to the following secondary conditions: Megaloblastic anemia Calcification of brain channels – epilepsy, dementia, visual manifestations. B6 deficiency. Vitamin B6 deficiency can result in neuropathies and increases in pain sensitivity. may explain some of the peripheral neuropathies, pain and depression associated with GSE. B12 deficiency Megaloblastic anemia Pernicious anemia Vitamin D – Vitamin D deficiency can result in osteopenia and osteoporosis Hypocalcemia Vitamin K – Coeliac disease has been identified in patients with a pattern of bleeding that treatment of vitamin K increased levels of prothrombin. Vitamin E – deficiency of vitamin E can lead to CNS problems and possibly associated with myopathy Mineral deficiencies. GSE is associated with the following mineral deficiencies:

Calcium – Hypocalcemia causing Oesteopenia Magnesium – Hypomagnesemia, may lead to parathyroid abnormalities. Iron – Iron deficiency anemia Phosphorus – Hypophosphatemia, causing Oesteopenia Zinc – Zinc deficiencies are believed to be associated with increased risk of Esophagus Carcinoma Copper – Deficiency Selenium – Deficiency – Selenium and zinc deficiencies may play a role increasing risk of cancer. Selenium deficiency may also be an aggravating factor for autoimmune hyperthyroidism (Graves disease). Blood factors

Carnitine – Deficiency. Prolactin – Deficiency (childhood). Homocysteine – Excess.

Anemia Megaloblastic anemia (MA) is associated with GSE and is believed to be the result of B12 and folate deficiency. In GSE, it appears to be associated with the IgA-less phenotype. Unlike other forms of megaloblastic anemia, GSEA MA is not a form of autoimmune gastritis. Pernicious anemia (PA). Pernicious anemia is associated with GSE and is believed to result primarily from malabsorption phenomena. Iron-deficiency anemia. Iron-deficiency anemia (IDA) may be the only symptom for CD, detected in subclinical CD and is accompanied by a decrease in serum ferritin levels. This can cause additional problems (see: symptoms of IDA and certain conditions like such as Paterson-Brown Kelly (Plummer–Vinson syndrome). Whereas IDA is corrected on GF diet, refractory disease or gluten-sensitive malignancies can cause persistent IDA.

Clotting abnormalities Thromboembolism is a well-described complication of IBD, with a clinical incidence of up to 6% and a three-fold higher risk of disease, and the Factor V Leiden mutation further increases the risk of venous thrombosis. Recent studies describe the co-occurrence between coeliac disease, in which IBD is common in venous thrombosis.

Dermatitis A study of patients with dermatitis herpetiformis or coeliac disease revealed significantly more gluten in the blood than controls. This increases the risk of asthma, anaphylaxis and dermatological conditions.

Dermatitis herpetiformis Triticeae glutens are the primary cause of dermatitis herpetiformis (DH). Epidermal transglutaminase (eTG) is related to tTG and is the autoantigen of DH. It appears that all DH patients have or are susceptible to CD after wheat ingestion. Within the pathology of CD, DH is relatively rare or underdiagnosed, with about 5% of patients presenting with DH. Aphthous stomatitis is a common mouth lesion found in those with coeliac disease.

Atopy, urticaria, eczema Chronic urticaria has been seen in a few cases of CD. and are likely the result of fortuitous allergies to wheat, or allergies secondary to GSE. Atopy disorders have been found to be more common in coeliacs and in first degree relatives. Coeliac disease is associated with a number of epidermal conditions including psoriasis

Rare dermatitis Prurigo nodularis. Prurigo nodularis has been identified with coeliac disease. Rothmund–Thomson syndrome. Rothmund–Thomson syndrome, or poikiloderma congenitale, is a rare disorder, generally attributed to mutations of the RECQL4 helicase gene on 8q24 with features that include photosensitivity and poikilodermatous skin changes, etc., and has been reported in one coeliac patient.

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Worked examples

Example 1 — a first encounter with Gluten-sensitive enteropathy–associated conditions

Start with the simplest possible case. Write down what Gluten-sensitive enteropathy–associated conditions claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In science, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to Gluten-sensitive enteropathy–associated conditions before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about Gluten-sensitive enteropathy–associated conditions ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of Gluten-sensitive enteropathy–associated conditions

In research: Gluten-sensitive enteropathy–associated conditions appears in science research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry: Engineering practice reuses Gluten-sensitive enteropathy–associated conditions in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom: Gluten-sensitive enteropathy–associated conditions is common in secondary-school and first-year university syllabi. It links to neighbouring topics Gluten sensitivity, so understanding it makes those chapters shorter.
In everyday life: Look for Gluten-sensitive enteropathy–associated conditions outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.

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Frequently asked questions

What is Gluten-sensitive enteropathy–associated conditions in simple terms?

Why does Gluten-sensitive enteropathy–associated conditions matter?

Because it connects several science ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

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Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

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