Serum levels of autotaxin reveal its role as a novel biomarker of migraine
Abstract
BACKGROUND: Migraine is the most common neurological disorder and the second most disabling human condition. Autotaxin (ATX) is a plasma enzyme that leads to the formation of lysophosphatidic acid (LPA), which is involved in different functions involved in migraine, such as vascular tone control, inflammation, neuronal excitation, endothelial dysfunction, and neuropathic pain, among others. Most patients with migraine are females and, interestingly, ATX is physiologically higher in the serum of females compared to males.
OBJECTIVE: As ATX may be a link between common mechanisms associated with migraine, we aimed to determine the potential role of ATX in migraine by studying its concentrations in serum between patients with episodic (EM) and chronic migraine (CM) compared to healthy controls, as well as the correlation of ATX with clinical outcomes, and other biomarkers described in migraine.
METHODS: In this cross-sectional study, healthy controls (n = 62), and patients with EM (n = 45), and CM (n = 38) were studied. Clinical outcomes, such as migraine intensity as assessed on a visual analog scale (VAS), frequency of headaches (days/month), evolution time (months), and the duration of attacks (h) were investigated together with the serum biomarkers for inflammation (interleukin 6 [IL-6] and IL-10), trigeminovascular system activation (calcitonin gene-related peptide [CGRP]), endothelial dysfunction (pentraxin 3 [PTX3], cellular fibrinogen [cFN], soluble tumor necrosis…
How strong is the evidence?
Evidence Hub reads this as a cross-sectional, done in people. Its evidence level is 4 of 5 (Low · observational). Observational designs can show an association but not prove cause. Reported size: 62 participants or records.
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