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Related Concept Videos

Myasthenia Gravis: Overview and Treatment01:20

Myasthenia Gravis: Overview and Treatment

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Myasthenia gravis is a neuromuscular transmission disorder characterized by weakness and increased fatigability of skeletal muscles. It is an autoimmune disease affecting approximately one in 2000 people, where antibodies against the α1 subunit of nicotinic acetylcholine receptors are produced.
These antibodies interfere with the function of the nicotinic receptors in three ways: by binding to the receptor and disrupting acetylcholine binding; by causing cross-linking of receptors which...
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Disorders of the Skeletal Muscle01:28

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The clinical conditions affecting the skeletal muscle tissue are broadly categorized as musculoskeletal and neuromuscular disorders.
Musculoskeletal disorders
Musculoskeletal disorders involve injuries and conditions affecting the skeletal muscles and associated connective tissues. These disorders can arise from acute biomechanical stresses or chronic overuse and can occur across different age groups. Common injuries include sprains, fractures, and muscular strains, often resulting from...
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Disorders of the Nervous Tissue01:28

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Nervous tissue is a vital component of the human body's communication system, enabling us to perceive and respond to stimuli. However, like all other tissues, it is vulnerable to disorders and diseases that can significantly impact our neurological functioning.
Homeostatic Imbalances:
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Parkinson's disease arises from the...
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Myasthenia Gravis: Diagnostic Tests01:15

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Myasthenia gravis is an autoimmune condition affecting neuromuscular transmission, causing generalized weakness in skeletal muscles. Initial diagnoses rely on patients' signs, symptoms, and medical history. The challenge lies in distinguishing myasthenia from other muscular dystrophies. An important diagnostic feature is the significant improvement of symptoms after administering anticholinesterase inhibitors.
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Satellite Stem Cells and Muscular Dystrophy01:21

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Satellite stem cells or myosatellite cells are quiescent stem cells that Alexander Mauro first identified in 1961. These cells are located between the sarcolemma, the plasma membrane of muscle fibers, and the basal lamina, the connective tissue sheath covering it. These mononucleated cells are activated in response to muscle injury, can transform into myoblasts, and may form or repair muscle fibers. Myosatellite cells can provide additional myonuclei for muscle regeneration or return to a...
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Neurodegenerative disorders are progressive diseases that cause irreversible damage and loss to neurons in specific brain areas. Examples of these disorders include Parkinson's disease, Alzheimer's disease, Multiple Sclerosis (MS), and Amyotrophic Lateral Sclerosis (ALS). These disorders share characteristics such as proteinopathies, selective neuronal vulnerability, and a complex interplay between genetic and environmental factors. The primary therapeutic goal for these conditions is...
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    Multiple sclerosis (MS) affects millions globally, impacting various life functions. This review covers recent advancements in MS diagnostics and treatment options for healthcare professionals.

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    Area of Science:

    • Neurology
    • Immunology
    • Clinical Medicine

    Background:

    • Multiple sclerosis (MS) impacts 300,000 in the US and 2.3 million worldwide, affecting cognitive, emotional, motor, sensory, and visual functions.
    • MS often strikes individuals during their prime, disrupting careers and family life.
    • Significant advancements in MS diagnostics and treatment have occurred since 2010.

    Purpose of the Study:

    • To provide an updated overview of the evolving landscape of multiple sclerosis (MS).
    • To highlight recent changes in MS diagnostics and treatment options.
    • To address challenges in managing MS patients, including differential diagnoses and new therapies.

    Main Methods:

    • Review of recent literature and clinical guidelines on multiple sclerosis.
    • Analysis of newly available immunomodulatory therapies.
    • Discussion of diagnostic challenges and differential diagnoses in MS.

    Main Results:

    • The field of MS management has seen dramatic changes and advancements.
    • New diagnostic tools and immunomodulatory therapies are now available.
    • Safe and effective treatment of MS patients presents ongoing challenges.

    Conclusions:

    • An updated understanding of MS diagnostics and therapeutics is crucial.
    • Careful consideration of differential diagnoses and emerging treatments is necessary for optimal patient care.
    • Addressing the complexities of MS management requires continuous professional development.