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Hypoxia is a precipitating factor in causing 'MS' Lesions https://thesymmetryforum.com/viewtopic.php?f=23&t=230	Page 1 of 1

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Author:	themsforum.org [ Sat, 25 May 2013, 6:53 pm ]
Post subject:	Hypoxia is a precipitating factor in causing 'MS' Lesions
Less blood flow for Lesions? Posted: 24 May 2013 11:52 PM PDT Epub: Juurlink BH. The Evidence for Hypoperfusion as a Factor in Multiple Sclerosis Lesion Development. Mult Scler Int. 2013;2013:598093. The evidence that hypoxia is a precipitating factor in causing early MS lesions includes increased protein levels of hypoxia-inducible factor-1α; presence of the D-110 hypoxia-inducible protein; increased expression of hypoxia-inducible genes in lesions as well as in adjacent normal-appearing white matter (NAWM); loss of myelin-associated glycoprotein in myelin of early MS lesions; a 50% reduction of blood flow through NAWM with areas of lowest blood flow having the greatest probability of lesion development. Why MS-like lesions develop following hypoxemic insults in some individuals but not in others is likely dependent upon the presence of immune predisposing factors that are governed genetically. Hypoperfusion may be due to decreased arterial supply, restricted venous return, or a combination of these. There are clinical trials ongoing or planned to treat chronic cerebro spinal venous insufficiency (CCSVI) through angioplasty. I suggest that it is important that clinical trials addressing vascular issues in MS should examine how the vascular intervention affects white matter perfusion and determine whether the extent of perfusion recovery and maintenance of this recovery is related to functional recovery and maintenance of functional recovery. Consideration should also be given to the possibility of arterial problems playing a role in hypoperfusion in some MS patients.

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