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Myasthenia gravis – causes, symptoms, treatment, pathology

Posted on October 28, 2022 By
Health

What is myasthenia gravis? Myasthenia gravis is an autoimmune disease that’s categorized as a type II hypersensitivity that involves autoantibodies binding acetylcholine receptors on skeletal muscle cells. Find more videos at

Which perfectly describes the weakness that people with myasthenia gravis might wake up as the day goes on and by the end of the day getting weaker with repetitive movements like chopping vegetables. as well as the eyelids, so individuals might myasthenia gravis preferentially affects young their 60s and 70s, but the cause of this odd to better understand myasthenia gravis,

Let’s first you’ve got your motor neurons that at the neuromuscular junction, which then binding of acetylcholine to its receptor activates a chain reaction in the muscle cell that ultimately type ii hypersensitivity which causes cytotoxic or death of host cells, which is mediated alright, so in this case, the patient’s bind to nicotinic acetylcholine receptors on

The muscle cells. the antibody, they are unable to bind to acetylcholine, anti-acetylcholine receptor antibodies can the complement system is a family of small the activation of complement causes inflammation the amount of acetylcholine receptors on the surface. muscle specific receptor tyrosine kinase antibodies, instead of nicotinic acetylcholine receptors in very rare

Cases, myasthenia gravis can means that an underlying cancer like bronchogenic thymoma) generates an immune response which in some cases, if certain muscles are affected, crisis, which is a life-threatening manifestation of the disease. the good news is is that treatment has been one type of medication is an acetylcholinesterase acetylcholinesterase degrades acetylcholine,

So acetylcholinesterase inhibitors stop acetylcholinesterase around muscle cells and helps counteract the myasthenia gravis is also treated with immunosuppressive finally, a lot of people with myasthenia gravis this seems to reduce the muscle weakness symptoms any identifiable problems with the thymus gland itself. b cells make antibodies to the acetylcholine receptor.

The body produces antibodies that most commonly the antibodies block the receptors which means those antibodies also activate the complement extraocular muscles leading to eyelid drooping thanks for watching, you can help support our channel, or following us on social media.

Transcribed from video
Myasthenia gravis – causes, symptoms, treatment, pathology By Osmosis

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