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Addison’s Disease (Primary)

Underarm showing skin darkening, which is a feature of Addison's Disease
Underarm showing skin darkening, which is a feature of Addison’s Disease

What Is Primary Addison’s Disease?

[dropcap]A[/dropcap]ddison’s disease is an autoimmune destruction of the adrenal glands by autoantibodies that target the adrenal cortex, or outer part of these glands, and is characterized by a slow progressive failure of the adrenal glands to adequately produce its steroid hormones.

Symptoms of adrenal fatigue or failure may not develop until the majority of adrenal tissue is destroyed. When untreated, progression leads to coma, called Addisonian crisis, which is a medical emergency.

There are two adrenal glands each located on top of a kidney and enclosed in a connective tissue capsule. Each is a small, triangular shape that is made of two parts: the outer region and the inner region.

The inner region, called the adrenal medulla, produces epinephrine and norepinephrine chemicals that are needed to deal with stress.

The outer region, called the adrenal cortex, produces adrenocortical (steroid) hormones and releases them into the bloodstream in response to pituitary stimulating hormone from the brain.

Q: What is the function of steroid hormones produced by the adrenal glands?

A: Functions of the three steroid hormones produced by the adrenal glands are:

  1. Glucocorticoids restrain inflammation and metabolism of carbohydrates, fats and proteins to maintain a normal glucose blood level. The major glucocorticoid is hydrocortisone.
  2. Mineralocorticoids regulate the retention and excretion of fluids and electrolytes by the kidneys. The most important mineralocorticoid is aldosterone.
  3. Androgen (testosterone) is a male sex hormone.

Secondary adrenal insufficiency may develop from other causes that are not immune related such as chronic infections, tumor, and medications.

What Is Addison’s Disease In Celiac Disease and/or Gluten Sensitivity?

Hypoglycemia (Low Blood Sugar)

hypoglycemia symptom of celiac disease and glutenWhat Is Hypoglycemia?

Hypoglycemia means the level of glucose within cells is too low to meet metabolic needs of the body for this essential sugar.

Q: What are the metabolic needs for glucose?

A: Glucose is the most important simple sugar in human metabolism mainly because it is the primary source of energy for most cells of the body.

Energy contained in the glucose molecule is obtained by the body from its reaction with oxygen (oxidation). This oxidation reaction occurs in power producing mitochondria structures that are located within cells.1

Hypoglycemia is characterized by alterations in neurologic, metabolic and muscular functions:

  1. Neurologic function because brain tissue is particularly dependent on glucose for energy,
  2. Metabolic function of glucose-dependent tissues which include red blood cells, white blood cells, bone marrow, eye, inner heart of the kidney, and peripheral nerves because these tissues cannot metabolize fatty acids as an alternate source of energy, and
  3. Muscle function because muscle cells continually require glucose for energy production.

Glucose is made available to cells through the regulating action of insulin, a hormone produced by specialized cells located on the surface of the pancreas.

What Is Hypoglycemia In Celiac Disease and/or Gluten Sensitivity?

Sources:
  1. http://hyperphysics.phy-astr.gsu.edu/hbase/organic/sugar.html accessed 11 14 12 [↩]

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