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Related Concept Videos

Myasthenia Gravis: Diagnostic Tests01:15

Myasthenia Gravis: Diagnostic Tests

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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.
The edrophonium test is a diagnostic tool for myasthenia gravis. It involves...
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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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Myocarditis II: Clinical Features and Diagnostic Tests01:27

Myocarditis II: Clinical Features and Diagnostic Tests

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Myocarditis is an inflammation of the heart muscle. The symptoms vary widely, encompassing asymptomatic presentations to severe, acute manifestations.Clinical PresentationAsymptomatic cases: In some instances, myocarditis may be asymptomatic, with the infection resolving without intervention. These cases often go undetected unless discovered incidentally through diagnostic imaging or tests conducted for other reasons.General Early Symptoms: Early symptoms of myocarditis are non-specific and can...
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Myocarditis I: Introduction01:21

Myocarditis I: Introduction

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Myocarditis is inflammation of the myocardium, which is the muscular layer of the heart.EtiologyMyocarditis has a diverse etiology, including a wide range of infectious and non-infectious causes:Infectious CausesViral: Common viruses include Coxsackie A and B, adenovirus, parvovirus B19, enteroviruses, and influenza A.Bacterial: Examples include infections caused by Streptococcus, Staphylococcus, and Mycoplasma species.Rickettsial: Infections like Rocky Mountain spotted fever can result in...
23
Chemical Synapses01:26

Chemical Synapses

9.0K
Chemical synapses are specialized sites between two neurons or between a neuron and a non-neuronal cell like a muscle, glandular or sensory cell.
Because chemical synapses depend on the release of neurotransmitter molecules from synaptic vesicles to pass on their signal, there is an approximately one millisecond delay between when the axon potential reaches the presynaptic terminal and when the neurotransmitter leads to opening of postsynaptic ion channels. Additionally, this signaling is...
9.0K
Disorders of the Skeletal Muscle01:28

Disorders of the Skeletal Muscle

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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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Related Experiment Video

Updated: Aug 29, 2025

Induction and Diverse Assessment Indicators of Experimental Autoimmune Encephalomyelitis
06:19

Induction and Diverse Assessment Indicators of Experimental Autoimmune Encephalomyelitis

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Understanding myalgic encephalomyelitis.

Sonya Marshall-Gradisnik1, Natalie Eaton-Fitch1

  • 1National Centre for Neuroimmunology and Emerging Diseases, MHIQ, Griffith University, Gold Coast, Australia.

Science (New York, N.Y.)
|September 8, 2022
PubMed
Summary

Myalgic encephalomyelitis (ME) and Long Covid share similar symptoms, suggesting a potential link between these conditions. Further research is needed to understand the relationship and develop targeted treatments.

Area of Science:

  • Neurology
  • Immunology
  • Infectious Diseases

Background:

  • Myalgic encephalomyelitis (ME), also known as chronic fatigue syndrome, is a complex, multisystem disease.
  • Long Covid, a condition characterized by persistent symptoms after SARS-CoV-2 infection, affects a significant portion of survivors.
  • Both ME and Long Covid present with debilitating fatigue, cognitive dysfunction, and autonomic disturbances.

Purpose of the Study:

  • To investigate the overlapping clinical presentations of Myalgic Encephalomyelitis and Long Covid.
  • To explore potential shared pathophysiological mechanisms between these conditions.

Main Methods:

  • A systematic review of existing literature comparing symptom profiles of ME and Long Covid patients.
  • Analysis of patient-reported outcome measures and clinical diagnostic criteria.

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Myelin Oligodendrocyte Glycoprotein MOG35-55 Induced Experimental Autoimmune Encephalomyelitis EAE in C57BL/6 Mice
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Myelin Oligodendrocyte Glycoprotein MOG35-55 Induced Experimental Autoimmune Encephalomyelitis EAE in C57BL/6 Mice

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Simple and Efficient Production and Purification of Mouse Myelin Oligodendrocyte Glycoprotein for Experimental Autoimmune Encephalomyelitis Studies
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Simple and Efficient Production and Purification of Mouse Myelin Oligodendrocyte Glycoprotein for Experimental Autoimmune Encephalomyelitis Studies

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Last Updated: Aug 29, 2025

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Myelin Oligodendrocyte Glycoprotein MOG35-55 Induced Experimental Autoimmune Encephalomyelitis EAE in C57BL/6 Mice
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Myelin Oligodendrocyte Glycoprotein MOG35-55 Induced Experimental Autoimmune Encephalomyelitis EAE in C57BL/6 Mice

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Simple and Efficient Production and Purification of Mouse Myelin Oligodendrocyte Glycoprotein for Experimental Autoimmune Encephalomyelitis Studies
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Simple and Efficient Production and Purification of Mouse Myelin Oligodendrocyte Glycoprotein for Experimental Autoimmune Encephalomyelitis Studies

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Main Results:

  • Significant overlap identified in core symptoms including profound fatigue, post-exertional malaise, cognitive impairment (brain fog), and sleep disturbances.
  • Autonomic dysfunction, such as orthostatic intolerance, was frequently reported in both conditions.

Conclusions:

  • The overlapping symptomatology strongly suggests shared underlying biological pathways in Myalgic Encephalomyelitis and Long Covid.
  • Recognizing these similarities is crucial for accurate diagnosis, patient management, and the development of effective therapeutic strategies.