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Related Concept Videos

Autoimmune Disorders01:29

Autoimmune Disorders

Autoimmune diseases are a group of disorders in which the body's immune system mistakenly attacks its own cells, tissues, and organs. This results from an overactive immune response against substances and tissues normally present in the body. Let's delve into the concept and mechanism of autoimmune diseases from an immune system point of view, explore different causes and examples of such diseases, and discuss potential solutions.
Concept and Mechanism of Autoimmune Diseases
The immune system...
Adrenal Gland Disorders01:27

Adrenal Gland Disorders

Adrenal gland disorders manifest when the production of adrenal hormones deviates from the norm, resulting in either excessive or insufficient concentrations.
Adrenal insufficiency, characterized by insufficient cortisol and aldosterone production, leads to conditions like Addison's disease. This disorder, affecting the adrenal cortex, exhibits symptoms such as skin bronzing, dehydration, low blood pressure, fatigue, and weight loss. Congenital adrenal hyperplasia, a genetic ailment causing...
Graves' Disease I: Introduction01:28

Graves' Disease I: Introduction

Graves' disease is an autoimmune disorder that causes hyperthyroidism, or overactivity of the thyroid gland. It results from autoantibodies called thyroid-stimulating immunoglobulins (TSIs), which bind to thyroid-stimulating hormone (TSH) receptors, leading to overstimulation of hormone production and a hypermetabolic state.EtiologyAlthough considered idiopathic, Graves’ disease has well-established contributing factors. There is a strong genetic component, with increased prevalence in...
Graves Disease II: Pathophysiology01:24

Graves Disease II: Pathophysiology

Graves’ disease is an autoimmune disorder characterized by the production of thyroid-stimulating immunoglobulins (TSI) that activate TSH receptors, leading to excessive synthesis and release of thyroid hormones (T3 and T4) and resulting in hyperthyroidism.Among all causes of hyperthyroidism, Graves’ disease is the most common and can happen at any age, though it is more frequent in women. It produces a hypermetabolic state with features such as weight loss, tachycardia, tremor, and heat...
Cushing Syndrome II: Pathophysiology01:19

Cushing Syndrome II: Pathophysiology

Cortisol production is normally governed by the hypothalamic–pituitary–adrenal (HPA) axis, which maintains hormonal balance through tightly regulated feedback mechanisms. Disruption of this regulatory system is central to the development of Cushing syndrome, whether the excess cortisol originates from external medications or internal pathology. Persistent cortisol elevation alters metabolism, immune function, and endocrine signaling, producing the characteristic clinical features of the...
Myasthenia Gravis ll: Pathophysiology01:22

Myasthenia Gravis ll: Pathophysiology

The disease process of myasthenia gravis begins at the neuromuscular junction, where antibodies attack key proteins needed for muscle activation. This immune reaction weakens signal transmission, leading to the characteristic muscle fatigue and weakness that define the condition.Immune-Mediated DamageIn most individuals, antibodies target acetylcholine receptors (AChRs) on the postsynaptic membrane of muscle cells. By blocking acetylcholine binding, these antibodies prevent the nerve signal...

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Preparation of Mouse Pituitary Immunogen for the Induction of Experimental Autoimmune Hypophysitis
10:52

Preparation of Mouse Pituitary Immunogen for the Induction of Experimental Autoimmune Hypophysitis

Published on: December 17, 2010

Autoimmune Addison's disease.

Corrado Betterle, Luca Morlin

    Endocrine Development
    |December 18, 2010
    PubMed
    Summary
    This summary is machine-generated.

    Addison's disease (AD) is adrenal insufficiency due to adrenal cortex hypofunction. Autoimmune AD is the most common cause in adults, characterized by specific autoantibodies and gland changes, requiring hormone replacement therapy.

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    Area of Science:

    • Endocrinology
    • Immunology
    • Genetics

    Background:

    • Primary adrenocortical insufficiency, or Addison's disease (AD), involves deficient production of glucocorticoids, mineralocorticoids, and androgens.
    • Prevalence is 110-144 cases per million, with autoimmune AD being the most frequent cause in adults (80%).
    • Congenital adrenal hyperplasia is the leading cause in children (72%).

    Purpose of the Study:

    • To summarize the etiology, prevalence, and characteristics of Addison's disease.
    • To highlight the diagnostic markers and pathological findings in autoimmune AD.
    • To emphasize the importance of hormone replacement therapy.

    Main Methods:

    • Literature review of primary adrenocortical insufficiency.
    • Analysis of etiological factors, prevalence data, and clinical presentations.
    • Review of diagnostic markers and pathological features of autoimmune AD.

    Main Results:

    • Autoimmune AD is the predominant form in adults, often associated with other autoimmune diseases.
    • Adrenal cortex autoantibodies (ACA) or 21-hydroxylase autoantibodies (21-OHAbs) are present in over 90% of autoimmune AD cases.
    • Pathologically, autoimmune AD involves lymphocyte infiltration, plasma cells, and reduced adrenal gland volume.

    Conclusions:

    • Addison's disease requires lifelong glucocorticoid and mineralocorticoid replacement therapy.
    • Autoimmune AD is a significant cause of adrenal insufficiency, particularly in middle-aged females.
    • Early diagnosis and management are crucial for patient survival and quality of life.