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The first possibility is that migraine offers an advantage to the organism in fighting infection by increasing blood flow to the brain. [3] The second possibility is that certain pathogens evolved to cause headaches as a way of speeding their transmission to other organisms. [ 3 ]
Migraine is believed to be caused by a mixture of environmental and genetic factors that influence the excitation and inhibition of nerve cells in the brain. [8] An incomplete "vascular hypothesis" postulated that the aura of migraine is produced by vasoconstriction and the headache of migraine is produced by vasodilation.
Amyloid beta (Aβ) was found to cause neurotoxicity and cell death in the brain when present in high concentrations. Aβ results from a mutation that occurs when protein chains are cut at the wrong locations, resulting in chains of different lengths that are unusable.
His brain lesions regressed, and his headaches improved. It is "very rare" for patients to contract neurocysticercosis in the U.S., but the findings of the study may change that notion.
Oligodendrocytes are a type of glial cell, non-neuronal cells in the central nervous system.They arise during development from oligodendrocyte precursor cells (OPCs), [8] which can be identified by their expression of a number of antigens, including the ganglioside GD3, [9] [10] [11] the NG2 chondroitin sulfate proteoglycan, and the platelet-derived growth factor-alpha receptor subunit (PDGF ...
Kaycie Kraus, 14, had excruciating migraines and a MRI revealed a brain tumor. Doctors couldn't perform surgery, offered chemotherapy. Laser ablation helped.
The key cellular components of the neuroimmune system are glial cells, including astrocytes, microglia, and oligodendrocytes. [1] [2] [5] Unlike other hematopoietic cells of the peripheral immune system, mast cells naturally occur in the brain where they mediate interactions between gut microbes, the immune system, and the central nervous system as part of the microbiota–gut–brain axis.
Generally, headaches caused by brain masses are incapacitating and accompanied by vomiting. [84] One study found characteristics associated with brain tumor in children are: headache for greater than 6 months, headache related to sleep, vomiting, confusion, no visual symptoms, no family history of migraine and abnormal neurologic exam. [89]
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