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Articles 1 - 6 of 6
Full-Text Articles in Medical Neurobiology
Molecular Mechanisms Of Opioid Use Disorder In Human Brain Models, Emily Mendez
Molecular Mechanisms Of Opioid Use Disorder In Human Brain Models, Emily Mendez
Dissertations & Theses (Open Access)
Opioid use disorder (OUD) is a national and global public health crisis with no end in sight. While studies from animal models hint at widespread epigenetic and transcriptomic alterations of opioid drugs, the molecular consequences of long-term exposure to opioid drugs in human brain is still unclear, and human-centered translational models are necessary to discern the human cell type-specific effects of OUD.
Using postmortem brain Brodmann area 9 (BA9) from the UTHealth Brain Collection for Research on Psychiatric Disorders, I identified angiogenic gene networks perturbed in the RNA and protein of OUD subjects, as well as downregulation of many neuron-correlated …
Hdac6 Inhibition Reverses Long-Term Doxorubicin-Induced Cognitive Dysfunction By Restoring Microglia Homeostasis, Blake Mcalpin
Hdac6 Inhibition Reverses Long-Term Doxorubicin-Induced Cognitive Dysfunction By Restoring Microglia Homeostasis, Blake Mcalpin
Dissertations & Theses (Open Access)
One in 8 women in the US will be diagnosed with breast cancer. Currently, doxorubicin is one of the most effective chemotherapies for breast cancer. Unfortunately, up to 60% of survivors report long-term chemotherapy-induced cognitive dysfunction (CICD) characterized by deficits in working memory, processing speed, and executive functioning. Currently, no interventions for CICD have been approved by the US Food and Drug Administration. I show here that a 14-day treatment with a blood-brain barrier permeable histone deacetylase 6 (HDAC6) inhibitor successfully reverses long-term CICD following a therapeutic doxorubicin dosing schedule in female mice, as assessed by the puzzle box test …
Modeling Post Stroke Respiratory Dysfunction, Apneas And Cognitive Decline, Anthony Patrizz
Modeling Post Stroke Respiratory Dysfunction, Apneas And Cognitive Decline, Anthony Patrizz
Dissertations & Theses (Open Access)
Modeling Post Stroke Respiratory Dysfunction,
Apneas and Cognitive Decline
Anthony Patrizz, B.A.
Advisory Professor: Louise McCullough M.D., Ph.D.
Stroke is a major cause of mortality and the leading cause of long-term disability in the US. More than 60% of individuals suffering a first time stroke develop respiratory dysfunction, prolonging recovery and increasing mortality. Post-stroke cognitive decline is a major contributor to disability and nursing home placement, therefore the cognitive consequences of Stroke Induced Respiratory Dysfunction (SIRD) need to be explored if we hope to enhance functional recovery. The first step towards treatment of the negative consequences of SIRD is the …
Multiple Myeloma And Its Treatment Alter Peripheral Nervous System Structure And Function, Alyssa K. Kosturakis
Multiple Myeloma And Its Treatment Alter Peripheral Nervous System Structure And Function, Alyssa K. Kosturakis
Dissertations & Theses (Open Access)
MULTIPLE MYELOMA AND ITS TREATMENT ALTER PERIPHERAL NERVOUS SYSTEM STRUCTURE AND FUNCTION
Alyssa Katarina Kosturakis, BA
Supervisory Professor: Patrick M. Dougherty, PhD
Peripheral neuropathy is among the most deleterious side effects of frontline chemotherapeutics used to treat prevalent cancers. Chemotherapy-induced peripheral neuropathy (CIPN) refers to the collection of symptoms (e.g. pain, paresthesias and dysesthesias) that develop in distal, glabrous (non-hairy) skin of 20 to 100% of patients treated with chemotherapy. Peripheral neuropathy negatively impacts quality of life in cancer patients and survivors, is refractory to treatment, and is the impetus for dose-reduction and/or cessation of chemotherapy, thereby limiting treatment. Proteasome …
The Role Of The Androgen Receptor Cofactor P44/Wdr77 In Astrocyte Activation, Bryce H. Vincent
The Role Of The Androgen Receptor Cofactor P44/Wdr77 In Astrocyte Activation, Bryce H. Vincent
Dissertations & Theses (Open Access)
Astrogliosis is induced by neuronal damage and is also a pathological feature of the major aging-related neurodegenerative disorders. The mechanisms that control the cascade of astrogliosis have not been well established. In a previous study, we identified a novel androgen receptor (AR)-interacting protein (p44/WDR77) and found that it plays a critical role in the control of proliferation and differentiation of prostate epithelial cells. In the present study, we found that deletion of the p44 gene in the mouse brain caused accelerated aging with dramatic astrogliosis. The p44/WDR77 is expressed in astrocytes and loss of p44/WDR77 expression in astrocytes leads to …
Effect Of Acute Administration Of Angiopoietin-1 In Experimental Traumatic Spinal Cord Injury: Magnetic Resonance Imaging And Neurobehavioral Studies, Chirag B. Patel
Effect Of Acute Administration Of Angiopoietin-1 In Experimental Traumatic Spinal Cord Injury: Magnetic Resonance Imaging And Neurobehavioral Studies, Chirag B. Patel
Dissertations & Theses (Open Access)
Spinal cord injury (SCI) is a devastating condition that affects people in the prime of their lives. A myriad of vascular events occur after SCI, each of which contributes to the evolving pathology. The primary trauma causes mechanical damage to blood vessels, resulting in hemorrhage. The blood-spinal cord barrier (BSCB), a neurovascular unit that limits passage of most agents from systemic circulation to the central nervous system, breaks down, resulting in inflammation, scar formation, and other sequelae. Protracted BSCB disruption may exacerbate cellular injury and hinder neurobehavioral recovery in SCI.
In these studies, angiopoietin-1 (Ang1), an agent known to reduce …