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Medical Neurobiology

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Full-Text Articles in Medical Sciences

Fos Expression In Lateral Hypothalamus/Perifornical Area Is Correlated With Psychosocial Stress-Induced Cocaine-Seeking Behavior In A Sex-Specific Manner, Milena Sudarikov, Nicole M. Hinds, Ireneusz D. Wojtas, Desta M. Pulley, Daniel F. Manvich May 2024

Fos Expression In Lateral Hypothalamus/Perifornical Area Is Correlated With Psychosocial Stress-Induced Cocaine-Seeking Behavior In A Sex-Specific Manner, Milena Sudarikov, Nicole M. Hinds, Ireneusz D. Wojtas, Desta M. Pulley, Daniel F. Manvich

Rowan-Virtua Research Day

Cocaine Use Disorder persists as a significant public health concern in the United States. Recent epidemiological data indicate that rates of cocaine-involved overdose deaths are rising, and treatment of Cocaine Use Disorder is challenging due to a lack of FDA-approved medications to help patients achieve abstinence and avoid relapse. Stress can precipitate cocaine craving and trigger relapse episodes, however the underlying neural circuitry by which stressors drive cocaine seeking is not completely understood. Our laboratory has recently identified the potential involvement of the rostrolateral aspect of the periaqueductal gray (rlPAG) in psychosocial stress-induced cocaine-seeking behavior using a rodent model of …


How Does Schizophrenia Affect The Expression Of Alpha 7 Nicotinic Acetylcholine Receptors In The Brain?, Shruti Varshney, Nimish Acharya May 2024

How Does Schizophrenia Affect The Expression Of Alpha 7 Nicotinic Acetylcholine Receptors In The Brain?, Shruti Varshney, Nimish Acharya

Rowan-Virtua Research Day

Schizophrenia (SZ) is a psychiatric disorder with a pathophysiology that has not yet been fully understood. This mental illness is characterized by disruptions in cognition, social activity, affect, and perception, and affects approximately 0.085% of individuals worldwide. The Alpha 7 Nicotinic Acetylcholine Receptor (α7nAChR) has been connected to auditory function gating deficits. The purpose of this review is to understand the current literature in how the levels of α7nAChR expression and function are affected by SZ, information that could be used to develop therapies to modulate auditory hallucinations in patients with SZ. A literature search was conducted for peer-reviewed journal …


The Neuroprotective Role Of Lipoxin A4 In Reinstating Blood Brain Barrier Integrity In Neuroinflammatory Disease Processes, Minjal Patel, Nimish Acharya May 2024

The Neuroprotective Role Of Lipoxin A4 In Reinstating Blood Brain Barrier Integrity In Neuroinflammatory Disease Processes, Minjal Patel, Nimish Acharya

Rowan-Virtua Research Day

Background: The blood-brain barrier (BBB), formed by the vascular endothelium, astrocytic foot processes, pericytes, is a highly selective barrier that is responsible for maintaining brain homeostasis and ultimately proper neuronal function. Disruption of the BBB, leading to increased BBB permeability, has been reported in several neurodegenerative diseases, including Alzheimer’s disease (AD) and traumatic brain injury (TBI).1 Loss of BBB integrity leads to the proliferation of pro-inflammatory cytokines, including TNFɑ, IL-1β, and IL-6.2 Moderate inflammation has a beneficial response in the system following an acute injury. However, prolonged inflammation has been known to perturb homeostasis and have …


Interactions Between Repetitive Mild Traumatic Brain Injury And Methylphenidate Administration On Catecholamine Transporter Protein Levels Within The Rodent Prefrontal Cortex, Anna Abrimian, Eleni Papadopoulos, Christopher P. Knapp, J. Loweth, Barry Waterhouse, Rachel Navarra May 2024

Interactions Between Repetitive Mild Traumatic Brain Injury And Methylphenidate Administration On Catecholamine Transporter Protein Levels Within The Rodent Prefrontal Cortex, Anna Abrimian, Eleni Papadopoulos, Christopher P. Knapp, J. Loweth, Barry Waterhouse, Rachel Navarra

Rowan-Virtua Research Day

It is theorized that low concentrations of dopamine (DA) and norepinephrine (NE) within in the prefrontal cortex (PFC) following traumatic brain injury (TBI) leads to increased risky behavior. Our lab has shown that repeated mild TBI (rmTBI) sex-differentially increases risky behavior in a rodent model. Methylphenidate (MPH) is a psychostimulant drug used to treat symptoms of Attention-Deficit Hyperactivity Disorder (ADHD), also driven by a hypo-catecholaminergic PFC. MPH elevates catecholamine levels by blocking DA and NE transporters, DAT and NET. While the potential of psychostimulants to treat post-TBI symptoms have been explored, the effects of sub-chronic MPH on transporter levels following …


Comparative Analyses Of Adeno-Associated Viral Vector Serotypes 1, 2 And 9 In The Sod Mouse Model Of Amyotrophic Lateral Sclerosis, Talia Hartman, Jeremy Francis, Paola Leone May 2024

Comparative Analyses Of Adeno-Associated Viral Vector Serotypes 1, 2 And 9 In The Sod Mouse Model Of Amyotrophic Lateral Sclerosis, Talia Hartman, Jeremy Francis, Paola Leone

Rowan-Virtua Research Day

6–7-week-old G93A SOD mice were given 1x1010 vector genomes of three different self-complimentary (sc) AAV capsid serotypes (AAV1, 2, and 9) all containing an identical CBh-driven GFP reporter expression cassette. Each serotype was delivered via either the intrathecal (IT) or intra cisterna magna (ICM) route of administration (ROA). Transduction by each serotype, via each of the two ROA was compared for the cortex and each of the lumbar, thoracic, and cervical regions of the spinal cord, with percent neuronal tropism calculated in each region. AAV2 was effective at transducing spinal cord neurons but disappointingly ineffective at transducing cortical neurons by …


Intra-Accumbens Microinfusion Of The Dopamine D3 Receptor Partial Agonist (±)Vk4-40 Does Not Affect Basal Locomotion In Mice, Yeonwoo Sim, Nicole M. Hinds, Amy Hauck Newman, Daniel F. Manvich May 2024

Intra-Accumbens Microinfusion Of The Dopamine D3 Receptor Partial Agonist (±)Vk4-40 Does Not Affect Basal Locomotion In Mice, Yeonwoo Sim, Nicole M. Hinds, Amy Hauck Newman, Daniel F. Manvich

Rowan-Virtua Research Day

The opioid epidemic remains a pressing public health crisis, prompting the search for alternative pharmacotherapies for Opioid Use Disorder (OUD). This study explores the potential of the dopamine D3 receptor (D3R) partial agonist, (±)VK4-40, as a novel treatment option. We investigated the impact of intra-nucleus accumbens (NAc) microinfusion of VK4-40 on basal locomotion in mice. Results indicate that VK4-40 did not significantly alter basal locomotion, suggesting that its therapeutic effects may not be mediated through disruptions in generalized motor function. Future research will focus on elucidating the neuropharmacological mechanisms underlying VK4-40's therapeutic actions and exploring its effects on psychostimulant-induced hyperlocomotion. …


Pediatric Neurotropic Infection Alters Synaptic Development In The Developing Brain, Anuoluwapo Grace Fadare, Yashika S. Kamte, Manish N. Chandwani, Lauren A. O'Donnell May 2024

Pediatric Neurotropic Infection Alters Synaptic Development In The Developing Brain, Anuoluwapo Grace Fadare, Yashika S. Kamte, Manish N. Chandwani, Lauren A. O'Donnell

Rowan-Virtua Research Day

Many neurotropic viruses cause more significant pathology in younger hosts as their brains are still developing. This experiment asked how central nervous system (CNS) viral-infections affect the development of synapses in the pediatric brain during infection and post-infection. Synaptogenesis is at its peak in pediatric mice (10 days old) and we hypothesized that a neurotropic infection could disrupt synaptic proteins. We used a transgenic mouse model where measles virus (MV) infects only mature neurons, leading us to question whether synapses were impacted. We examined synaptic markers in the cerebellum and hippocampus in MV-infected and uninfected mice 9 days and 90 …


The Impact Of Traumatic Brain Injury On Noradrenergic Innervation Of The Prefrontal Cortex, Jil P. Modi, Christopher P. Knapp, Rachel L. Navarra May 2024

The Impact Of Traumatic Brain Injury On Noradrenergic Innervation Of The Prefrontal Cortex, Jil P. Modi, Christopher P. Knapp, Rachel L. Navarra

Rowan-Virtua Research Day

Traumatic Brain Injury (TBI) is a common cause of death and disability in the United States, and it can occur due to varied reasons including motor vehicle accidents, gunshot wounds, and falls. Following TBIs, patients are often left with lifelong disabilities and cognitive problems that can lead to increased risk-taking behaviors. The main goal of my research was to understand the neural mechanisms that drive increased risk-taking behaviors due to TBIs. The specific areas of the brain I was interested in looking at were the medial prefrontal cortex (mPFC), orbitofrontal cortex (OFC), and/or anterior cingulate cortex (ACC) of the prefrontal …


A Preliminary Report On The Role Of Lipoxin A4 In Reinstating The Blood-Brain Barrier Integrity In A Rodent Model Of Acute Inflammation With Impaired Cerebrovasculature, Minjal Patel, Shruti Varshney, Ananya Nethikunta, George G. Godsey, Mary C. Kosciuk, Ana Rodriguez, Bernd Spur, Kingsley Yin, Randel L. Swanson, Venkat Venkataraman, Robert G. Nagele, Nimish Acharya May 2024

A Preliminary Report On The Role Of Lipoxin A4 In Reinstating The Blood-Brain Barrier Integrity In A Rodent Model Of Acute Inflammation With Impaired Cerebrovasculature, Minjal Patel, Shruti Varshney, Ananya Nethikunta, George G. Godsey, Mary C. Kosciuk, Ana Rodriguez, Bernd Spur, Kingsley Yin, Randel L. Swanson, Venkat Venkataraman, Robert G. Nagele, Nimish Acharya

Rowan-Virtua Research Day

Background: The blood-brain barrier (BBB) is responsible for maintaining brain homeostasis and ultimately proper neuronal function. Disruption of the BBB, leading to increased BBB permeability, has been reported in several neurodegenerative diseases, including Alzheimer’s disease (AD) and traumatic brain injury (TBI). Lipoxins (LXs) are a class of arachidonate-derived eicosanoids, which are a class of specialized pro-resolving lipid mediators (SPMs). SPMs are known to inhibit immune response through inhibition of cellular infiltration, downregulation of pro-inflammatory mediators and upregulation of anti-inflammatory mediators. Hence, LXs are recognized as “breaking signals” in the inflammatory process. One form of LXs, Lipoxin A4 (LXA4) …


Alpha 7 Nicotinic Acetylcholine Receptor Expression In The Hippocampus Of Patients With Schizophrenia, Shruti Varshney, Ananya Nethikunta, Minjal Patel, Mary Kosciuk, Randel L. Swanson, Venkat Venkataraman, Robert Nagele, Eric Goldwaser, Nimish Acharya May 2024

Alpha 7 Nicotinic Acetylcholine Receptor Expression In The Hippocampus Of Patients With Schizophrenia, Shruti Varshney, Ananya Nethikunta, Minjal Patel, Mary Kosciuk, Randel L. Swanson, Venkat Venkataraman, Robert Nagele, Eric Goldwaser, Nimish Acharya

Rowan-Virtua Research Day

Background: Schizophrenia (SZ) is a heterogenous psychiatric condition characterized by disruptions in cognition, social activity, affect, and perception often associated with a varied combination of positive and negative symptoms. The pathophysiology behind SZ remains poorly elucidated. Earlier reports have cited the importance of the alpha 7 nicotinic acetylcholine receptors (α7nAChR) in the hippocampus and the receptor’s association with auditory sensory gating and cognitive function. Specifically, variations in the expression and functionality of α7nAChR can be linked to auditory hallucinations experienced by patients with SZ and several therapies have been researched that target α7nAChRs. However, there are very few primary research …


Molecular Mechanisms Of Opioid Use Disorder In Human Brain Models, Emily Mendez May 2024

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 …


Perinatal Buprenorphine Effects On Offspring Growth, Opioid Withdrawal, And Brain Morphology In Rats, Parker Barnes May 2024

Perinatal Buprenorphine Effects On Offspring Growth, Opioid Withdrawal, And Brain Morphology In Rats, Parker Barnes

Electronic Theses and Dissertations

Opioid use disorder (OUD) impacts 5.6 million people in the US. Buprenorphine (BUP) is a commonly prescribed opioid medication used to treat OUD, including in pregnant women. However, opioid use during pregnancy is associated with poorer infant outcomes including reduced fetal growth, neurodevelopmental deficits, and neonatal opioid withdrawal syndrome (NOWS). Recent clinical data suggests that providing mothers with a lower dose of BUP may result in fewer negative outcomes in infants. Here, a preclinical rodent model of low-dose perinatal BUP exposure was used to study offspring health outcomes in the neonate, juvenile, and adolescent offspring. Dams were given clinically relevant …


Single Case Experimental Design Examining Cognitive Behavioural Therapy For Post-Stroke Depression, Liam Alexander Mackenzie Myles, Emma Jones Apr 2024

Single Case Experimental Design Examining Cognitive Behavioural Therapy For Post-Stroke Depression, Liam Alexander Mackenzie Myles, Emma Jones

Journal of Mind and Medical Sciences

Background. Post-stroke depression (PSD) is common in older-age adults and is typically treated with cognitive-behavioural therapy (CBT). However, research has ascertained mixed findings regarding the efficacy of CBT for PSD in older-age adults, with limited evidence in people from global majority backgrounds. Materials and Methods. This case study used single case experimental design methodology to examine the effectiveness of CBT for PSD in a black, older-age man. The effects of health conditions, cohort beliefs, transitions in role investments, socio-cultural context and early experiences on the client’s thoughts, emotions, physical sensations and behaviours were formulated, before behavioural activation was used to …


Mapping The Maze Of Time: Unraveling Chronological Age-Induced Structural Transformations In The C57bl6 Mouse Brain, Angelica Arshoun, Adam Jasper, Ella D'Amico, Frank Yeh, Kirk Erickson, Amrita Sahu, Fabrisia Ambrosio Apr 2024

Mapping The Maze Of Time: Unraveling Chronological Age-Induced Structural Transformations In The C57bl6 Mouse Brain, Angelica Arshoun, Adam Jasper, Ella D'Amico, Frank Yeh, Kirk Erickson, Amrita Sahu, Fabrisia Ambrosio

Tower Health Research Day

No abstract provided.


Apigenin Alleviates Autistic-Like Stereotyped Repetitive Behaviors And Mitigates Brain Oxidative Stress In Mice, Petrilla Jayaprakash, Dmytro Isaev, Keun-Hang Susan Yang, Rami Beiram, Murat Oz, Bassem Sadek Apr 2024

Apigenin Alleviates Autistic-Like Stereotyped Repetitive Behaviors And Mitigates Brain Oxidative Stress In Mice, Petrilla Jayaprakash, Dmytro Isaev, Keun-Hang Susan Yang, Rami Beiram, Murat Oz, Bassem Sadek

Biology, Chemistry, and Environmental Sciences Faculty Articles and Research

Studying the involvement of nicotinic acetylcholine receptors (nAChRs), specifically α7-nAChRs, in neuropsychiatric brain disorders such as autism spectrum disorder (ASD) has gained a growing interest. The flavonoid apigenin (APG) has been confirmed in its pharmacological action as a positive allosteric modulator of α7-nAChRs. However, there is no research describing the pharmacological potential of APG in ASD. The aim of this study was to evaluate the effects of the subchronic systemic treatment of APG (10–30 mg/kg) on ASD-like repetitive and compulsive-like behaviors and oxidative stress status in the hippocampus and cerebellum in BTBR mice, utilizing the reference drug aripiprazole (ARP, 1 …


The Feigned Annoyance And Frustration Test To Activate The Sympathoadrenal Medullary System, Ted W. Gehrig Iii, Lee S. Berk, Robert I. Dudley, Jo A. Smith, Lida Gharibvand, Everett B. Lohman Iii Apr 2024

The Feigned Annoyance And Frustration Test To Activate The Sympathoadrenal Medullary System, Ted W. Gehrig Iii, Lee S. Berk, Robert I. Dudley, Jo A. Smith, Lida Gharibvand, Everett B. Lohman Iii

Physical Therapy Faculty Articles and Research

When perceived as threatening, social interactions have been shown to trigger the sympathoadrenal medullary system as well as the hypothalamic-pituitary-adrenal axis resulting in a physiologic stress response. The allostatic load placed on human health and physiology in the context of acute and chronic stress can have profound health consequences. The purpose of this study was to develop a protocol for a lab-based stress stimulus using social-evaluative threat. While several valid, stress-stimulating protocols exist, we sought to develop one that triggered a physiologic response, did not require significant lab resources, and could be completed in around 10 min. We included 53 …


Exploring Neuroplasticity Changes In Neurotoxin-Induced Parkinson’S Disease: A Preliminary Analysis Using Transcranial Magnetic Stimulation, Tomas Gomez Jr., Daniel Salinas, Kelsey Potter-Baker, Nawaz Hack, Ramu Vadukapuram Mar 2024

Exploring Neuroplasticity Changes In Neurotoxin-Induced Parkinson’S Disease: A Preliminary Analysis Using Transcranial Magnetic Stimulation, Tomas Gomez Jr., Daniel Salinas, Kelsey Potter-Baker, Nawaz Hack, Ramu Vadukapuram

Research Symposium

Background: Parkinson’s disease (PD) is a neurodegenerative condition that affects movement, cognition, gait, and significantly impacts one's quality of life. Studies have suggested that neurotoxin pre-exposure is related to PD pathology and progressive motor/non-motor deficits, though it remains unclear how neurotoxin exposure affects neuroplasticity. The present study aimed to examine neurotoxin–induced PD-associated neuroplasticity changes in relationship to mental acuity and PD motor functionalities.

Methods: 7 voluntary participants experiencing early-stage PD symptoms with self-reported neurotoxin pre-exposure were enrolled in the longitudinal, repeated-measures clinical study; 2 sex-matched, age-matched, and occupation-matched healthy subjects were recruited for controlled comparative analysis (n=9). UTRGV’s Institute …


Neural Correlates Of Fear Extinction: Investing The Impact Of Puberty And Sex In Children And Adolescents Through Neuroimaging, Sneha Bhargava, Clara Zundel, Samantha Ely, Carmen Carpenter, Reem Tamimi, Leah Gowatch, Mackenna Shampine, Emilie-Clare O'Mara, Jovan Jande, Shravya Chanamolu, Ahmad Almaat, Hilary Marusak Mar 2024

Neural Correlates Of Fear Extinction: Investing The Impact Of Puberty And Sex In Children And Adolescents Through Neuroimaging, Sneha Bhargava, Clara Zundel, Samantha Ely, Carmen Carpenter, Reem Tamimi, Leah Gowatch, Mackenna Shampine, Emilie-Clare O'Mara, Jovan Jande, Shravya Chanamolu, Ahmad Almaat, Hilary Marusak

Medical Student Research Symposium

Fear-based disorders, including anxiety and posttraumatic stress disorder, are more prevalent in females than males. Steroid hormones (e.g., estradiol) are involved in fear extinction learning and later recall—a process implicated in the pathophysiology of fear-based disorders. Fear-based disorders commonly emerge during the transition from childhood to adolescence, a period marked by the onset of puberty and a natural increase of steroid hormones. Here, we examined the effects of puberty, sex, and their interaction on extinction recall and underlying neural circuitry in youth. Eighty-five youth (6-17 years, 46% female) completed a two-day Pavlovian fear extinction paradigm while undergoing functional magnetic resonance …


Psilocybin With Acceptance And Commitment Therapy (Act) For The Treatment Of Social Anxiety Disorder (Sad), Aspen E. Allred Mar 2024

Psilocybin With Acceptance And Commitment Therapy (Act) For The Treatment Of Social Anxiety Disorder (Sad), Aspen E. Allred

University Honors Theses

Social Anxiety Disorder (SAD) is a debilitating mental health condition characterized by an overwhelming fear and anxiety of social rejection that can lead to chronic patterns of social behavioral avoidance. Despite the existence of traditional efficacious treatments, a significant number of individuals either do not respond to treatment or experience a recurrence of symptoms over extended periods, spanning 10-12 years. Acceptance and Commitment Therapy (ACT), a form of acceptance-based behavioral therapy considered part of the "third wave" of cognitive behavioral therapies, has shown promising results in early studies, comparable to those of Cognitive Behavioral Therapy (CBT) that is considered the …


Enriched Environment Contributes To The Recovery From Neurotoxin-Induced Parkinson’S Disease Pathology, Daphne Alcala Zúñiga, Erika Espinoza-Torres, Ranjit Kumar Das, Magaly Vargas, Alejandro Lopez-Juarez, Masoud M. Zarei, Kelsey Baker, Mario Gil, Hansapani Rodrigo, Upal Roy Feb 2024

Enriched Environment Contributes To The Recovery From Neurotoxin-Induced Parkinson’S Disease Pathology, Daphne Alcala Zúñiga, Erika Espinoza-Torres, Ranjit Kumar Das, Magaly Vargas, Alejandro Lopez-Juarez, Masoud M. Zarei, Kelsey Baker, Mario Gil, Hansapani Rodrigo, Upal Roy

Health & Biomedical Sciences Faculty Publications and Presentations

Parkinson’s disease (PD) is a neurological disorder that affects dopaminergic neurons. The lack of understanding of the underlying molecular mechanisms of PD pathology makes treating it a challenge. Several pieces of evidence support the protective role of enriched environment (EE) and exercise on dopaminergic neurons. The specific aspect(s) of neuroprotection after exposure to EE have not been identified. Therefore, we have investigated the protective role of EE on dopamine dysregulation and subsequent downregulation of DJ1 protein using in vitro and in vivo models of PD. Our study for the first time demonstrated that DJ1 expression has a direct correlation with …


Blood And Mri Biomarkers Of Mild Traumatic Brain Injury In Non-Concussed Collegiate Football Players, Eunhan Cho, Joshua Granger, Bailey Theall, Nathan Lemoine, Derek Calvert, Jack Marucci, Shelly Mullenix, Hollis O’Neal, Tomas Jacome, Brian A. Irving, Neil M. Johannsen, Owen Carmichael, Guillaume Spielmann Jan 2024

Blood And Mri Biomarkers Of Mild Traumatic Brain Injury In Non-Concussed Collegiate Football Players, Eunhan Cho, Joshua Granger, Bailey Theall, Nathan Lemoine, Derek Calvert, Jack Marucci, Shelly Mullenix, Hollis O’Neal, Tomas Jacome, Brian A. Irving, Neil M. Johannsen, Owen Carmichael, Guillaume Spielmann

School of Medicine Faculty Publications

Football has one of the highest incidence rates of mild traumatic brain injury (mTBI) among contact sports; however, the effects of repeated sub-concussive head impacts on brain structure and function remain under-studied. We assessed the association between biomarkers of mTBI and structural and functional MRI scans over an entire season among non-concussed NCAA Division I linemen and non-linemen. Concentrations of S100B, GFAP, BDNF, NFL, and NSE were assessed in 48 collegiate football players (32 linemen; 16 non-linemen) before the start of pre-season training (pre-camp), at the end of pre-season training (pre-season), and at the end of the competitive season (post-season). …


Emerging Unconventional Therapies For Glioblastoma Multiforme, Danielle Morang Jan 2024

Emerging Unconventional Therapies For Glioblastoma Multiforme, Danielle Morang

Capstone Showcase

Glioblastoma multiforme (GBM) is the most prevalent and aggressive primary malignant brain tumor occurring in adults with a median survival of less than two years. It is a highly invasive tumor characterized by genetic heterogeneity, angiogenesis, and rapid proliferation. Patients undergo a multimodal treatment regimen consisting of surgical resection and chemoradiation therapy, yet GBM tumors almost always recur with a worsening prognosis. The molecular and genetic complexities of GBM pose a significant challenge for developing effective therapeutics. Thus, it is imperative to identify new therapeutic targets and explore novel treatment strategies to improve patients’ overall survival time and quality of …


Utilizing Ai Integrated Neuroimaging Technology To Expand Upon Machine Learning In Positron Emission Tomography Technology With The Aim Of Detecting Amyloid Beta Biomarkers Early In The Onset Of Alzheimer's., Ethan S. Terman Jan 2024

Utilizing Ai Integrated Neuroimaging Technology To Expand Upon Machine Learning In Positron Emission Tomography Technology With The Aim Of Detecting Amyloid Beta Biomarkers Early In The Onset Of Alzheimer's., Ethan S. Terman

Undergraduate Research Posters

Early intervention in Alzheimer's is vital for treatment. The earlier a professional can detect symptoms and make a diagnosis the earlier a prognosis can be implemented. With the prevalence of data in our day-to-day world combined with Artificial intelligence (AI), utilizing both for machine learning can pave the way for more accurate and efficient detection of Alzheimer's and other neurodegenerative diseases. AI combined with Machine learning (ML) increases diagnostic efficiency and reduces human errors, making it a valuable resource for physicians and clinicians alike. With the increasing amount of data processing and image interpretation required, the ability to use AI …


Elovanoid-N34 Modulates Txnrd1 Key In Protection Against Oxidative Stress-Related Diseases, Jorgelina M. Calandria, Surjyadipta Bhattacharjee, Sayantani Kala-Bhattacharjee, Pranab K. Mukherjee, Yuehan Feng, Jakob Vowinckel, Tobias Treiber, Nicolas G. Bazan Dec 2023

Elovanoid-N34 Modulates Txnrd1 Key In Protection Against Oxidative Stress-Related Diseases, Jorgelina M. Calandria, Surjyadipta Bhattacharjee, Sayantani Kala-Bhattacharjee, Pranab K. Mukherjee, Yuehan Feng, Jakob Vowinckel, Tobias Treiber, Nicolas G. Bazan

School of Graduate Studies Faculty Publications

The thioredoxin (TXN) system is an NADPH + H+/FAD redox-triggered effector that sustains homeostasis, bioenergetics, detoxifying drug networks, and cell survival in oxidative stress-related diseases. Elovanoid (ELV)-N34 is an endogenously formed lipid mediator in neural cells from omega-3 fatty acid precursors that modulate neuroinflammation and senescence gene programming when reduction-oxidation (redox) homeostasis is disrupted, enhancing cell survival. Limited proteolysis (LiP) screening of human retinal pigment epithelial (RPE) cells identified TXNRD1 isoforms 2, 3, or 5, the reductase of the TXN system, as an intracellular target of ELV-N34. TXNRD1 silencing confirmed that the ELV-N34 target was isoform 2 or 3. This …


Chronic Stressors, Obesity Pathogenesis, And The Moderating Effect Of Internalized Weight Stigma; A Quantitative, Illinois Study, Karyn Byrne Dec 2023

Chronic Stressors, Obesity Pathogenesis, And The Moderating Effect Of Internalized Weight Stigma; A Quantitative, Illinois Study, Karyn Byrne

Dissertations

The obesity epidemic is a ‘wicked’ problem with a complex web of determinants and outcomes. While generally higher for minoritized populations, prevalence rates manifest in surprising, nonlinear patterns. There is no consensus regarding treatment protocols or mitigation efforts, except that current efforts remain largely ineffective. Much research evidence that a profusion of determinants of health support obesity pathogenesis through various physiological processes and mechanisms, including the allostatic load, mitochondria functioning, the gut microbiome, and epigenetics. Intervening to support markers of the allostatic load (immunity, inflammation, and metabolic health) may provide a more effective treatment outcomes than traditional approaches, which tend …


Dha Shortage Causes The Early Degeneration Of Photoreceptors And Rpe In Mice With Peroxisomal Β-Oxidation Deficiency, Daniëlle Swinkels, Sai Kocherlakota, Yannick Das, Adriaan D. Dane, Eric J.M. Wever, Frédéric M. Vaz, Nicolas G. Bazan, Paul P. Van Veldhoven, Myriam Baes Nov 2023

Dha Shortage Causes The Early Degeneration Of Photoreceptors And Rpe In Mice With Peroxisomal Β-Oxidation Deficiency, Daniëlle Swinkels, Sai Kocherlakota, Yannick Das, Adriaan D. Dane, Eric J.M. Wever, Frédéric M. Vaz, Nicolas G. Bazan, Paul P. Van Veldhoven, Myriam Baes

School of Medicine Faculty Publications

PURPOSE. Patients deficient in peroxisomal β-oxidation, which is essential for the synthesis of docosahexaenoic acid (DHA, C22:6n-3) and breakdown of very-long-chain polyunsaturated fatty acids (VLC-PUFAs), both important components of photoreceptor outer segments, develop retinopathy present with retinopathy. The representative mouse model lacking the central enzyme of this pathway, multifunctional protein 2 (Mfp2−/−), also show early-onset retinal decay and cell-autonomous retinal pigment epithelium (RPE) degeneration, accompanied by reduced plasma and retinal DHA levels. In this study, we investigated whether DHA supplementation can rescue the retinal degeneration of Mfp2−/− mice. METHODS. Mfp2+/− breeding pairs and their offspring were fed a 0.12% DHA …


Ca2+-Regulated Expression Of High Affinity Methylaminoisobutryic Acid Transport In Hippocampal Neurons Inhibited By Riluzole And Novel Neuroprotective Aminothiazoles, Jeffrey D. Erickson, Thomas Kyllo, Heike Wulff Oct 2023

Ca2+-Regulated Expression Of High Affinity Methylaminoisobutryic Acid Transport In Hippocampal Neurons Inhibited By Riluzole And Novel Neuroprotective Aminothiazoles, Jeffrey D. Erickson, Thomas Kyllo, Heike Wulff

School of Medicine Faculty Publications

High affinity methylaminoisobutyric acid(MeAIB)/glutamine(Gln) transport activity regulated by neuronal firing occurs at the plasma membrane in mature rat hippocampal neuron-enriched cultures. Spontaneous Ca2+-regulated transport activity was similarly inhibited by riluzole, a benzothiazole anticonvulsant agent, and by novel naphthalenyl substituted aminothiazole derivatives such as SKA-378. Here, we report that spontaneous transport activity is stimulated by 4-aminopyridine (4-AP) and that phorbol-myristate acetate (PMA) increases high K+ stimulated transport activity that is inhibited by staurosporine. 4-AP-stimulated spontaneous and PMA-stimulated high K+-induced transport is not present at 7 days in vitro (DIV) and is maximal by DIV∼21. The relative affinity for MeAIB is similar …


Whole Genome Sequence Data Implicate Rbfox1 In Epilepsy Risk In Baboons, Mark Z. Kos, Melanie A. Carless, Lucy Blondell, Mary M. Leland, Koyle D. Knape, Harald H. H. Goring, Charles A. Szabo Sep 2023

Whole Genome Sequence Data Implicate Rbfox1 In Epilepsy Risk In Baboons, Mark Z. Kos, Melanie A. Carless, Lucy Blondell, Mary M. Leland, Koyle D. Knape, Harald H. H. Goring, Charles A. Szabo

Research Symposium

Background: Baboons exhibit a genetic generalized epilepsy (GGE) that resembles juvenile myoclonic epilepsy and may represent a suitable genetic model for human epilepsy. The genetic underpinnings of epilepsy were investigated in a baboon colony at the Southwest National Primate Research Center (San Antonio, TX) through the analysis of whole-genome sequence (WGS) data.

Methods: Baboon WGS data were obtained for 38 cases and 19 healthy controls from the NCBI Sequence Read Archive and, after standard QC filtering, two subsets of variants were examined: (1) 20,881 SNPs from baboon homologs of 19 candidate GGE genes; and (2) 36,169 protein-altering SNPs. Association tests …


Palmitoylation As A Regulator Of Maguk Proteins Postsynaptic Localization, Rozena Shirvani-Arani, Santiago Balderas, Yonghong Zhang, Xioaqian Fang Sep 2023

Palmitoylation As A Regulator Of Maguk Proteins Postsynaptic Localization, Rozena Shirvani-Arani, Santiago Balderas, Yonghong Zhang, Xioaqian Fang

Research Symposium

Synaptic plasticity is the ability of the brain to make changes and the changes occur at synapses. To achieve the complicated functions, a good number of proteins are present at synapse and are called synaptic proteins. To stabilize these proteins at synapses, proteins are modified through posttranslational modifications (PTMs). The most studied PTMs include phosphorylation, acetylation, ubiquitination, glycosylation, palmitoylation, etc. Palmitoylation is a type of lipid modification and has received more attention recently for its contribution to protein trafficking, localization, and interaction in various synaptic plasticity. The membrane-associated guanylate kinase (MAGUK) family includes PSD-95, PSD-93 (also known as chapsyn-110), SAP102, …


Can Alternative Medical Methods Evoke Neuro-Functional Somatosensory Responses? A Case Study Suggesting Functional Improvement, Alhasn Otaif, Mashan E. Alshammari, Christine G. Gerin Sep 2023

Can Alternative Medical Methods Evoke Neuro-Functional Somatosensory Responses? A Case Study Suggesting Functional Improvement, Alhasn Otaif, Mashan E. Alshammari, Christine G. Gerin

Research Symposium

Somatosensory pathways act as the avenue in transferring information concerning the body and its interaction with the external environment to the brain. We aim to demonstrate that through studying somatosensory, motor cortical and subcortical networks, we can explain functional recovery after stimulations applied as an alternative medical treatment. Those stimulations might have evidenced neural pathways and networks important in recovery of function. Materials and methods: The de-identified medical reports of nine patients with initial presentations of cerebral trauma or stroke inducing paralysis were studied.These included the alternative treatments they received and other available materials such as videos and photographs. Patients …