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Investigation To Examine The Profile Of Auditory Brainstem And Hearing Thresholds Using Tone Burst Audiometry Brainstem Response In A Preclinical Migraine Model, Megan Huelsing
MSU Graduate Theses
Migraine is a disabling neurological disease that is characterized by prominent auditory symptoms, including hyperacusis, which is defined as extreme sensitivity to sounds. The goal of this study was to investigate changes in hearing sensitivity and neural changes in the brainstem by measuring neural activity of the auditory brainstem in an established preclinical model of chronic migraine. To induce a chronic migraine state within the trigeminal system, male and female Sprague Dawley rats were subjected to three known human risk factors including neck muscle tension and REM sleep deprivation that promote latent sensitization, and exposure to a pungent odor, which …
Dietary Inclusion Of Enriched Chicken Bone Broth Prevents Trigeminal Sensitization Meditated By Early Life Stress, Orion Peterson
Dietary Inclusion Of Enriched Chicken Bone Broth Prevents Trigeminal Sensitization Meditated By Early Life Stress, Orion Peterson
MSU Graduate Theses
Early life stress is considered a risk factor for development of migraine, which is a prevalent painful neurological disorder involving sensitization and activation of trigeminal neurons, and irritable bowel syndrome, a condition often comorbid with chronic migraine. The focus of my study was to determine the effects of early life stress and dietary inclusion of enriched chicken bone broth on trigeminal nociceptor sensitization and the gut microbiota. Adult Sprague-Dawley male “sender” rats subjected to primary traumatic stress were placed next to breeding or pregnant female rats that served as “receiver” rats (secondary traumatic stress) and in proximity to the offspring …
Evaluation Of Anti-Migraine Drugs In An In Vivo Rat Model Of Chronic Migraine, Shannon Nicole Stiles
Evaluation Of Anti-Migraine Drugs In An In Vivo Rat Model Of Chronic Migraine, Shannon Nicole Stiles
MSU Graduate Theses
Approximately 2% of the US population is affected by chronic migraine (CM). CM is a recurring, neurological disorder characterized by painful headache, along with autonomic, gastrointestinal, and other somatic symptoms. Prolonged sensitization of the trigeminal system, which is implicated in CM, is comprised of peripheral primary trigeminal ganglion neurons that provide sensory innervation of the head and face and second order neurons in the spinal trigeminal nucleus (STN). The goal of my study was to evaluate anti-migraine drugs for their ability to inhibit ongoing peripheral and central sensitization of trigeminal nociceptors. An in vivo animal model was used to determine …
Investigation Of Nocifensive And Cellular Effects Of Dihydroergotamine In A Model Of Chronic Migraine, Jennifer Elise Denson
Investigation Of Nocifensive And Cellular Effects Of Dihydroergotamine In A Model Of Chronic Migraine, Jennifer Elise Denson
MSU Graduate Theses
The goal of my study was to investigate the nocifensive behavioral and cellular effects of dihydroergotamine (DHE) and sumatriptan in a model of sustained trigeminal activation. Trigeminal nerves provide sensory innervation to the head and face and their activation has been implicated in migraine pathology. The most commonly prescribed medications for migraine treatment are the triptan class of drugs. However, triptans are not an effective therapy for all migraine patients and some develop triptan resistance. Ergot-derivatives, including DHE, could be a potential alternative for this subpopulation of patients. To cause activation of the trigeminal system, adult male Sprague Dawley rats …