Migraine sufferers more prone to hangover headache

October 18, 2009

(PHILADELPHIA) Migraine sufferers, beware. You may be more prone to an alcohol-induced headache after a night of drinking, according to researchers from the Jefferson Headache Center. The research will be presented at Neuroscience 2009, the Annual Meeting of the Society for Neuroscience, in Chicago.

Until now, studying the mechanism behind migraine and other forms of recurrent headaches has not been possible in an animal model, according to Michael Oshinsky, Ph.D., assistant professor of Neurology at Jefferson Medical College of Thomas Jefferson University, and a member of the Jefferson Headache Center team. In order to facilitate the study of migraine, Dr. Oshinsky developed a rat model in which headaches are induced by repeatedly stimulating, over weeks to months, the brain's dura mater with an inflammatory mixture.

Dr. Oshinsky and Christina Maxwell, a Ph.D. student in the Neuroscience program at the Jefferson College of Graduate Studies, used their rat model to study the effects of alcohol on rats who suffer recurrent migraines, compared to rats that do not get headaches. They analyzed four groups of rats: two groups received repeated dural simulation, followed by an oral ingestion of saline or alcohol (the equivalent of one to two shots of liquor). Two control groups received no inflammatory stimulation, and received the similar oral ingestion of saline or alcohol.

Migraine headaches are associated with hypersensitivity to light, sound and light touch on the head and face. The researchers measured the rats' sensitivity to touch around the eye, using von Frey monofilaments. They monitored the change in pain threshold of the face resulting from the repeated dural stimulation.

The rats that received dural stimulation followed by alcohol showed an initial analgesic effect within the first two hours after alcohol ingestion. However, four to six hours later, their pain sensitivity increased, indicating a more painful state. There were no changes in alcohol-induced sensitivity in the control groups.

"Our results suggest that dehydration or impurities in alcohol are not responsible for hangover headache," Dr. Oshinsky said. "Since these rats were sufficiently hydrated and the alcohol they received contained no impurities, the alcohol itself or a metabolite must be causing the hangover-like headache. These data confirm the clinical observation that people with migraine are more susceptible to alcohol-induced headaches."

Dr. Oshinsky and his laboratory are now also studying the mechanism for the induction of headache, and also the metabolites of alcohol that cause hangover.
-end-


Thomas Jefferson University

Related Neuroscience Articles from Brightsurf:

Researchers rebuild the bridge between neuroscience and artificial intelligence
In an article in the journal Scientific Reports, researchers reveal that they have successfully rebuilt the bridge between experimental neuroscience and advanced artificial intelligence learning algorithms.

The evolution of neuroscience as a research
When the first issue of the JDR was published, the field of neuroscience did not exist but over subsequent decades neuroscience has emerged as a scientific field that has particular relevance to dentistry.

Diabetes-Alzheimer's link explored at Neuroscience 2019
Surprising links exist between diabetes and Alzheimer's disease, and researchers are beginning to unpack the pathology that connects the two.

Organoid research revealed at Neuroscience 2019
Mini-brains, also called organoids, may offer breakthroughs in clinical research by allowing scientists to study human brain cells without a human subject.

The neuroscience of autism: New clues for how condition begins
UNC School of Medicine scientists found that a gene mutation linked to autism normally works to organize the scaffolding of brain cells called radial progenitors necessary for the orderly formation of the brain.

Harnessing reliability for neuroscience research
Neuroscientists are amassing the large-scale datasets needed to study individual differences and identify biomarkers.

Blue Brain solves a century-old neuroscience problem
In a front-cover paper published in Cerebral Cortex, EPFL's Blue Brain Project, a Swiss Brain Research Initiative, explains how the shapes of neurons can be classified using mathematical methods from the field of algebraic topology.

Characterizing pig hippocampus could improve translational neuroscience
Researchers have taken further steps toward developing a superior animal model of neurological conditions such as traumatic brain injury and epilepsy, according to a study of miniature pigs published in eNeuro.

The neuroscience of human vocal pitch
Among primates, humans are uniquely able to consciously control the pitch of their voices, making it possible to hit high notes in singing or stress a word in a sentence to convey meaning.

Study tackles neuroscience claims to have disproved 'free will'
For several decades, some researchers have argued that neuroscience studies prove human actions are driven by external stimuli -- that the brain is reactive and free will is an illusion.

Read More: Neuroscience News and Neuroscience Current Events
Brightsurf.com is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com.