Hip
Senior Member
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My first thought, and I sure you have had this thought too, is that if ME/CFS patients are born with some sort of minor physical spinal abnormality, as manifested by a sacral dimple, perhaps this could be a predisposing factor to developing ME/CFS later in life.
For example, maybe the spinal abnormality reduces cerebrospinal fluid (CSF) flow, and so when you catch a virus which infects the central nervous system (CNS), perhaps that makes it harder for the immune system to control and clear the virus from the CNS (as immune cells in the CNS are carried along by the CSF).
In addition, we know that spinal cord injury can result in reduced natural killer (NK) cell cytotoxicity, reduced NK number, and upregulation of proinflammatory Toll-like receptors. So if there are some subtle abnormalities in the spinal cord at birth, then perhaps these might cause some subtle weaknesses in the immune response, and/or a tendency to excessive proinflammatory responses, again making it harder to control and clear viruses.
Of course, all pure speculation.
This spinal abnormality may not necessarily be genetic, it may just be something that arises as a result of the conditions of gestation.
So it may not show up in a genetic study, but nevertheless, ME/CFS patients might be predisposed at birth to developing ME/CFS later in life, once they catch a virus which can infect the central nervous system, which may be the immune weak spot in their body.
For example, maybe the spinal abnormality reduces cerebrospinal fluid (CSF) flow, and so when you catch a virus which infects the central nervous system (CNS), perhaps that makes it harder for the immune system to control and clear the virus from the CNS (as immune cells in the CNS are carried along by the CSF).
In addition, we know that spinal cord injury can result in reduced natural killer (NK) cell cytotoxicity, reduced NK number, and upregulation of proinflammatory Toll-like receptors. So if there are some subtle abnormalities in the spinal cord at birth, then perhaps these might cause some subtle weaknesses in the immune response, and/or a tendency to excessive proinflammatory responses, again making it harder to control and clear viruses.
Of course, all pure speculation.
This spinal abnormality may not necessarily be genetic, it may just be something that arises as a result of the conditions of gestation.
So it may not show up in a genetic study, but nevertheless, ME/CFS patients might be predisposed at birth to developing ME/CFS later in life, once they catch a virus which can infect the central nervous system, which may be the immune weak spot in their body.
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