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Smith GC, Griffith KR, Sicher AR, Brockway DF, Proctor EA, Crowley NA. MODERATE ALCOHOL CONSUMPTION INDUCES LASTING IMPACTS ON PREFRONTAL CORTICAL SIGNALING IN MICE. bioRxiv 2024:2024.04.03.587955. [PMID: 38617243 PMCID: PMC11014573 DOI: 10.1101/2024.04.03.587955] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/16/2024]
Abstract
Both alcohol use disorder (AUD) and Alzheimer's Disease and Related Dementias (ADRD) appear to include disruption in the balance of excitation and inhibition in the cortex, but their potential interactions are unclear. We examined the effect of moderate voluntary binge alcohol consumption on the aged, pre-disease neuronal environment by measuring intrinsic excitability and spontaneous neurotransmission on prefrontal cortical pyramidal (excitatory, glutamatergic) and non-pyramidal (inhibitory, GABAergic) neurons following a prolonged period of abstinence from alcohol in mice. Results highlight that binge alcohol consumption has lasting impacts on the electrophysiological properties of prefrontal cortical neurons. A profound increase in excitatory events onto layer 2/3 non-pyramidal neurons following alcohol consumption was seen, along with altered intrinsic excitability of pyramidal neurons, which could have a range of effects on Alzheimer's Disease progression in humans. These results indicate that moderate voluntary alcohol influences the pre-disease environment in aging and highlight the need for further mechanistic investigation into this risk factor.
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Affiliation(s)
- Grace C. Smith
- Department of Biology, The Pennsylvania State University, University Park, PA, USA 16802
- Department of Biomedical Engineering, The Pennsylvania State University, University Park, PA, USA 16802
| | - Keith R. Griffith
- Department of Biology, The Pennsylvania State University, University Park, PA, USA 16802
| | - Avery R. Sicher
- Department of Biology, The Pennsylvania State University, University Park, PA, USA 16802
- Neuroscience Graduate Program, Huck Institute of the Life Sciences, The Pennsylvania State University, University Park, PA, USA 16802
| | - Dakota F. Brockway
- Department of Biology, The Pennsylvania State University, University Park, PA, USA 16802
- Neuroscience Graduate Program, Huck Institute of the Life Sciences, The Pennsylvania State University, University Park, PA, USA 16802
| | - Elizabeth A. Proctor
- Department of Biomedical Engineering, The Pennsylvania State University, University Park, PA, USA 16802
- Departments of Neurosurgery Penn State College of Medicine, Hershey PA, USA 17033; and Engineering Science and Mechanics, University Park, PA, USA 16802
- Department of Pharmacology, Penn State College of Medicine, Hershey, PA, USA
| | - Nicole A. Crowley
- Department of Biology, The Pennsylvania State University, University Park, PA, USA 16802
- Department of Biomedical Engineering, The Pennsylvania State University, University Park, PA, USA 16802
- Department of Pharmacology, Penn State College of Medicine, Hershey, PA, USA
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Brockway DF, Griffith KR, Aloimonos CM, Clarity TT, Moyer JB, Smith GC, Dao NC, Hossain MS, Drew PJ, Gordon JA, Kupferschmidt DA, Crowley NA. Somatostatin peptide signaling dampens cortical circuits and promotes exploratory behavior. Cell Rep 2023; 42:112976. [PMID: 37590138 PMCID: PMC10542913 DOI: 10.1016/j.celrep.2023.112976] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2022] [Revised: 05/31/2023] [Accepted: 07/29/2023] [Indexed: 08/19/2023] Open
Abstract
We sought to characterize the unique role of somatostatin (SST) in the prelimbic (PL) cortex in mice. We performed slice electrophysiology in pyramidal and GABAergic neurons to characterize the pharmacological mechanism of SST signaling and fiber photometry of GCaMP6f fluorescent calcium signals from SST neurons to characterize the activity profile of SST neurons during exploration of an elevated plus maze (EPM) and open field test (OFT). We used local delivery of a broad SST receptor (SSTR) agonist and antagonist to test causal effects of SST signaling. SSTR activation hyperpolarizes layer 2/3 pyramidal neurons, an effect that is recapitulated with optogenetic stimulation of SST neurons. SST neurons in PL are activated during EPM and OFT exploration, and SSTR agonist administration directly into the PL enhances open arm exploration in the EPM. This work describes a broad ability for SST peptide signaling to modulate microcircuits within the prefrontal cortex and related exploratory behaviors.
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Affiliation(s)
- Dakota F Brockway
- Neuroscience Graduate Program, Huck Institutes of the Life Sciences, The Pennsylvania State University, University Park, PA 16802, USA; Department of Biology, The Pennsylvania State University, University Park, PA 16802, USA
| | - Keith R Griffith
- Department of Biology, The Pennsylvania State University, University Park, PA 16802, USA
| | - Chloe M Aloimonos
- Integrative Neuroscience Section, National Institute of Neurological Disorders and Stroke, National Institutes of Health, Bethesda, MD 20892, USA
| | - Thomas T Clarity
- Integrative Neuroscience Section, National Institute of Neurological Disorders and Stroke, National Institutes of Health, Bethesda, MD 20892, USA
| | - J Brody Moyer
- Department of Biology, The Pennsylvania State University, University Park, PA 16802, USA
| | - Grace C Smith
- Department of Biology, The Pennsylvania State University, University Park, PA 16802, USA; Department of Biomedical Engineering, The Pennsylvania State University, University Park, PA 16802, USA
| | - Nigel C Dao
- Department of Biology, The Pennsylvania State University, University Park, PA 16802, USA
| | - Md Shakhawat Hossain
- Department of Biomedical Engineering, The Pennsylvania State University, University Park, PA 16802, USA; Center for Neural Engineering, The Pennsylvania State University, University Park, PA 16802, USA
| | - Patrick J Drew
- Neuroscience Graduate Program, Huck Institutes of the Life Sciences, The Pennsylvania State University, University Park, PA 16802, USA; Department of Biology, The Pennsylvania State University, University Park, PA 16802, USA; Department of Biomedical Engineering, The Pennsylvania State University, University Park, PA 16802, USA; Center for Neural Engineering, The Pennsylvania State University, University Park, PA 16802, USA; Departments of Engineering Science and Mechanics and Neurosurgery, The Pennsylvania State University, University Park, PA 16802, USA
| | - Joshua A Gordon
- Integrative Neuroscience Section, National Institute of Neurological Disorders and Stroke, National Institutes of Health, Bethesda, MD 20892, USA; Office of the Director, National Institute of Mental Health, National Institutes of Health, Bethesda, MD 20892, USA
| | - David A Kupferschmidt
- Integrative Neuroscience Section, National Institute of Neurological Disorders and Stroke, National Institutes of Health, Bethesda, MD 20892, USA
| | - Nicole A Crowley
- Neuroscience Graduate Program, Huck Institutes of the Life Sciences, The Pennsylvania State University, University Park, PA 16802, USA; Department of Biology, The Pennsylvania State University, University Park, PA 16802, USA; Department of Biomedical Engineering, The Pennsylvania State University, University Park, PA 16802, USA; Center for Neural Engineering, The Pennsylvania State University, University Park, PA 16802, USA.
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Sicher AR, Starnes WD, Griffith KR, Dao NC, Smith GC, Brockway DF, Crowley NA. Adolescent binge drinking leads to long-lasting changes in cortical microcircuits in mice. Neuropharmacology 2023; 234:109561. [PMID: 37137354 PMCID: PMC10386078 DOI: 10.1016/j.neuropharm.2023.109561] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2022] [Revised: 04/19/2023] [Accepted: 04/20/2023] [Indexed: 05/05/2023]
Abstract
Adolescent drug consumption has increased risks to the individual compared to consumption in adulthood, due to the likelihood of long-term and permanent behavioral and neurological adaptations. However, little is known about how adolescent alcohol consumption influences the maturation and trajectory of cortical circuit development. Here, we explore the consequences of adolescent binge drinking on somatostatin (SST) neuronal function in superficial layers of the prelimbic (PL) cortex in male and female SST-Ai9 mice. We find that adolescent drinking-in-the-dark (DID) produces sex-dependent increases in intrinsic excitability of SST neurons, with no change in overall SST cell number, persisting well into adulthood. While we did not find evidence of altered GABA release from SST neurons onto other neurons within the circuit, we found a complementary reduction in layer II/III pyramidal neuron excitability immediately after binge drinking; however, this hypoexcitability rebounded towards increased pyramidal neuron activity in adulthood in females, suggesting long-term homeostatic adaptations in this circuit. Together, this suggests that binge drinking during key developmental timepoints leads to permanent changes in PL microcircuitry function, which may have broad behavioral implications.
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Affiliation(s)
- Avery R Sicher
- Neuroscience Graduate Program, The Huck Institutes of the Life Sciences, University Park, PA, 16802, USA; Department of Biology, Penn State University, University Park, PA, 16802, USA
| | - William D Starnes
- Department of Biology, Penn State University, University Park, PA, 16802, USA
| | - Keith R Griffith
- Department of Biology, Penn State University, University Park, PA, 16802, USA
| | - Nigel C Dao
- Department of Biology, Penn State University, University Park, PA, 16802, USA
| | - Grace C Smith
- Department of Biology, Penn State University, University Park, PA, 16802, USA; Department of Biomedical Engineering, Penn State University, University Park, PA, 16802, USA
| | - Dakota F Brockway
- Neuroscience Graduate Program, The Huck Institutes of the Life Sciences, University Park, PA, 16802, USA; Department of Biology, Penn State University, University Park, PA, 16802, USA
| | - Nicole A Crowley
- Neuroscience Graduate Program, The Huck Institutes of the Life Sciences, University Park, PA, 16802, USA; Department of Biology, Penn State University, University Park, PA, 16802, USA; Department of Biomedical Engineering, Penn State University, University Park, PA, 16802, USA; Center for Neural Engineering, Penn State University, University Park, PA, 16802, USA.
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Nair MS, Dao NC, Melean DL, Griffith KR, Starnes WD, Moyer JB, Sicher AR, Brockway DF, Meeks KD, Crowley NA. Somatostatin Neurons in the Bed Nucleus of the Stria Terminalis Play a Sex-Dependent Role in Binge Drinking. Brain Res Bull 2022; 186:38-46. [DOI: 10.1016/j.brainresbull.2022.05.010] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2022] [Revised: 05/05/2022] [Accepted: 05/19/2022] [Indexed: 12/28/2022]
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Dao NC, Brockway DF, Suresh Nair M, Sicher AR, Crowley NA. Somatostatin neurons control an alcohol binge drinking prelimbic microcircuit in mice. Neuropsychopharmacology 2021; 46:1906-1917. [PMID: 34112959 PMCID: PMC8429551 DOI: 10.1038/s41386-021-01050-1] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/05/2021] [Revised: 05/26/2021] [Accepted: 05/27/2021] [Indexed: 02/08/2023]
Abstract
Somatostatin (SST) neurons have been implicated in a variety of neuropsychiatric disorders such as depression and anxiety, but their role in substance use disorders, including alcohol use disorder (AUD), is not fully characterized. Here, we found that repeated cycles of alcohol binge drinking via the Drinking-in-the-Dark (DID) model led to hypoactivity of SST neurons in the prelimbic (PL) cortex by diminishing their action potential firing capacity and excitatory/inhibitory transmission dynamic. We examined their role in regulating alcohol consumption via bidirectional chemogenetic manipulation. Both hM3Dq-induced excitation and KORD-induced silencing of PL SST neurons reduced alcohol binge drinking in males and females, with no effect on sucrose consumption. Alcohol binge drinking disinhibited pyramidal neurons by augmenting SST neurons-mediated GABA release and synaptic strength onto other GABAergic populations and reducing spontaneous inhibitory transmission onto pyramidal neurons. Pyramidal neurons additionally displayed increased intrinsic excitability. Direct inhibition of PL pyramidal neurons via hM4Di was sufficient to reduce alcohol binge drinking. Together these data revealed an SST-mediated microcircuit in the PL that modulates the inhibitory dynamics of pyramidal neurons, a major source of output to subcortical targets to drive reward-seeking behaviors and emotional response.
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Affiliation(s)
- Nigel C Dao
- Department of Biology, Pennsylvania State University, University Park, PA, USA
| | - Dakota F Brockway
- Department of Biology, Pennsylvania State University, University Park, PA, USA
- Neuroscience Curriculum, Pennsylvania State University, University Park, PA, USA
| | - Malini Suresh Nair
- Department of Biology, Pennsylvania State University, University Park, PA, USA
| | - Avery R Sicher
- Department of Biology, Pennsylvania State University, University Park, PA, USA
- Neuroscience Curriculum, Pennsylvania State University, University Park, PA, USA
| | - Nicole A Crowley
- Department of Biology, Pennsylvania State University, University Park, PA, USA.
- Neuroscience Curriculum, Pennsylvania State University, University Park, PA, USA.
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Brockway DF, Crowley NA. Turning the 'Tides on Neuropsychiatric Diseases: The Role of Peptides in the Prefrontal Cortex. Front Behav Neurosci 2020; 14:588400. [PMID: 33192369 PMCID: PMC7606924 DOI: 10.3389/fnbeh.2020.588400] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2020] [Accepted: 09/09/2020] [Indexed: 12/15/2022] Open
Abstract
Recent advancements in technology have enabled researchers to probe the brain with the greater region, cell, and receptor specificity. These developments have allowed for a more thorough understanding of how regulation of the neurophysiology within a region is essential for maintaining healthy brain function. Stress has been shown to alter the prefrontal cortex (PFC) functioning, and evidence links functional impairments in PFC brain activity with neuropsychiatric disorders. Moreover, a growing body of literature highlights the importance of neuropeptides in the PFC to modulate neural signaling and to influence behavior. The converging evidence outlined in this review indicates that neuropeptides in the PFC are specifically impacted by stress, and are found to be dysregulated in numerous stress-related neuropsychiatric disorders including substance use disorder, major depressive disorder (MDD), posttraumatic stress disorder, and schizophrenia. This review explores how neuropeptides in the PFC function to regulate the neural activity, and how genetic and environmental factors, such as stress, lead to dysregulation in neuropeptide systems, which may ultimately contribute to the pathology of neuropsychiatric diseases.
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Affiliation(s)
- Dakota F Brockway
- Neuroscience Curriculum, Pennsylvania State University, University Park, PA, United States
| | - Nicole A Crowley
- Neuroscience Curriculum, Pennsylvania State University, University Park, PA, United States.,The Department of Biology, Pennsylvania State University, University Park, PA, United States
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Dao NC, Suresh Nair M, Magee SN, Moyer JB, Sendao V, Brockway DF, Crowley NA. Forced Abstinence From Alcohol Induces Sex-Specific Depression-Like Behavioral and Neural Adaptations in Somatostatin Neurons in Cortical and Amygdalar Regions. Front Behav Neurosci 2020; 14:86. [PMID: 32536856 PMCID: PMC7266989 DOI: 10.3389/fnbeh.2020.00086] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2020] [Accepted: 05/07/2020] [Indexed: 12/19/2022] Open
Abstract
Forced abstinence (FA) from alcohol has been shown to produce a variety of anxiety- and depression-like symptoms in animal models. Somatostatin (SST) neurons, a subtype of GABAergic neurons found throughout the brain, are a novel neural target with potential treatment implications in affective disorders, yet their role in alcohol use disorders (AUD) remains to be explored. Here, we examined the neuroadaptations of SST neurons during forced abstinence from voluntary alcohol consumption. Following 6 weeks of two-bottle choice alcohol consumption and protracted forced abstinence, male and female C57BL/6J mice exhibited a heightened, but sex-specific, depressive-like behavioral profile in the sucrose preference test (SPT) and forced swim test (FST), without changes in anxiety-like behaviors in the elevated plus maze (EPM) and open field test (OFT). FST-induced cFos expressions in the prefrontal cortex (PFC) and ventral bed nucleus of the stria terminalis (vBNST) were altered in FA-exposed female mice only, suggesting a sex-specific effect of forced abstinence on the neural response to acute stress. SST immunoreactivity in these regions was unaffected by forced abstinence, while differences were seen in SST/cFos co-expression in the vBNST. No differences in cFos or SST immunoreactivity were seen in the lateral central nucleus of the amygdala (CEA) and the basolateral amygdala (BLA). Additionally, SST neurons in female mice displayed opposing alterations in the PFC and vBNST, with heightened intrinsic excitability in the PFC and diminished intrinsic excitability in the vBNST. These findings provide an overall framework of forced abstinence-induced neuroadaptations in these key brain regions involved in emotional regulation and processing.
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Affiliation(s)
- Nigel C Dao
- Department of Biobehavioral Health, Pennsylvania State University, University Park, PA, United States
| | - Malini Suresh Nair
- Department of Biobehavioral Health, Pennsylvania State University, University Park, PA, United States.,Department of Biology, Pennsylvania State University, University Park, PA, United States
| | - Sarah N Magee
- Department of Biology, Pennsylvania State University, University Park, PA, United States
| | - J Brody Moyer
- Department of Biology, Pennsylvania State University, University Park, PA, United States
| | - Veronica Sendao
- Department of Biology, Pennsylvania State University, University Park, PA, United States
| | - Dakota F Brockway
- Department of Biobehavioral Health, Pennsylvania State University, University Park, PA, United States.,Neuroscience Curriculum, Pennsylvania State University, University Park, PA, United States
| | - Nicole A Crowley
- Department of Biobehavioral Health, Pennsylvania State University, University Park, PA, United States.,Department of Biology, Pennsylvania State University, University Park, PA, United States.,Neuroscience Curriculum, Pennsylvania State University, University Park, PA, United States
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Dao NC, Brockway DF, Crowley NA. In Vitro Optogenetic Characterization of Neuropeptide Release from Prefrontal Cortical Somatostatin Neurons. Neuroscience 2019; 419:1-4. [PMID: 31487544 DOI: 10.1016/j.neuroscience.2019.08.014] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2019] [Revised: 08/06/2019] [Accepted: 08/07/2019] [Indexed: 12/16/2022]
Abstract
Somatostatin is a neuropeptide thought to play a role in a variety of neuropsychiatric disorders, and is important for healthy aging and behavioral resiliency. Physiological conditions underlying somatostatin peptidergic release are not well-defined. Using a combination of optogenetic and biochemical approaches in transgenic mice, we demonstrate an assay for the induction and inhibition of somatostatin release in mouse acute brain slices.
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Affiliation(s)
- Nigel C Dao
- Department of Biobehavioral Health, Pennsylvania State University, University Park, PA 16802
| | - Dakota F Brockway
- Department of Biobehavioral Health, Pennsylvania State University, University Park, PA 16802; Neuroscience Curriculum, Pennsylvania State University, University Park, PA 16802
| | - Nicole A Crowley
- Department of Biobehavioral Health, Pennsylvania State University, University Park, PA 16802; Neuroscience Curriculum, Pennsylvania State University, University Park, PA 16802.
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Crowley NA, Magee SN, Feng M, Jefferson SJ, Morris CJ, Dao NC, Brockway DF, Luscher B. Ketamine normalizes binge drinking-induced defects in glutamatergic synaptic transmission and ethanol drinking behavior in female but not male mice. Neuropharmacology 2019; 149:35-44. [PMID: 30731135 DOI: 10.1016/j.neuropharm.2019.02.003] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2018] [Revised: 01/30/2019] [Accepted: 02/02/2019] [Indexed: 01/06/2023]
Abstract
Ketamine is a fast acting experimental antidepressant with significant therapeutic potential for emotional disorders such as major depressive disorder and alcohol use disorders. Of particular interest is binge alcohol use, which during intermittent withdrawal from drinking involves depressive-like symptoms reminiscent of major depressive disorder. Binge drinking has been successfully modeled in mice with the Drinking in the Dark (DID) paradigm, which involves daily access to 20% ethanol, for a limited duration and selectively during the dark phase of the circadian light cycle. Here we demonstrate that DID exposure reduces the cell surface expression of NMDA- and AMPA-type glutamate receptors in the prelimbic cortex (PLC) of female but not male mice, along with reduced activity of the mammalian target of rapamycin (mTOR) signaling pathway. Pretreatment with an acute subanesthetic dose of ketamine suppresses binge-like ethanol consumption in female but not male mice. Lastly, DID-exposure reduces spontaneous glutamatergic synaptic transmission in the PLC of both sexes, but synaptic transmission is rescued by ketamine selectively in female mice. Thus, ketamine may have therapeutic potential as an ethanol binge suppressing agent selectively in female subjects.
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Affiliation(s)
- Nicole A Crowley
- Department of Biology, Pennsylvania State University, University Park, PA, 16802, USA; Center for Molecular Investigation of Neurological Disorders (CMIND), The Huck Institutes for the Life Sciences, Pennsylvania State University, University Park, PA, 16802, USA
| | - Sarah N Magee
- Department of Biology, Pennsylvania State University, University Park, PA, 16802, USA
| | - Mengyang Feng
- Department of Biology, Pennsylvania State University, University Park, PA, 16802, USA; Department of Biochemistry and Molecular Biology, Pennsylvania State University, University Park, PA, 16802, USA; Center for Molecular Investigation of Neurological Disorders (CMIND), The Huck Institutes for the Life Sciences, Pennsylvania State University, University Park, PA, 16802, USA
| | - Sarah J Jefferson
- Department of Biology, Pennsylvania State University, University Park, PA, 16802, USA; Center for Molecular Investigation of Neurological Disorders (CMIND), The Huck Institutes for the Life Sciences, Pennsylvania State University, University Park, PA, 16802, USA
| | - Christian J Morris
- Department of Biology, Pennsylvania State University, University Park, PA, 16802, USA; Center for Molecular Investigation of Neurological Disorders (CMIND), The Huck Institutes for the Life Sciences, Pennsylvania State University, University Park, PA, 16802, USA
| | - Nigel C Dao
- Center for Molecular Investigation of Neurological Disorders (CMIND), The Huck Institutes for the Life Sciences, Pennsylvania State University, University Park, PA, 16802, USA; Department of Biobehavioral Health, Pennsylvania State University, University Park, PA, 16802, USA
| | - Dakota F Brockway
- Department of Biology, Pennsylvania State University, University Park, PA, 16802, USA; Center for Molecular Investigation of Neurological Disorders (CMIND), The Huck Institutes for the Life Sciences, Pennsylvania State University, University Park, PA, 16802, USA
| | - Bernhard Luscher
- Department of Biology, Pennsylvania State University, University Park, PA, 16802, USA; Department of Biochemistry and Molecular Biology, Pennsylvania State University, University Park, PA, 16802, USA; Center for Molecular Investigation of Neurological Disorders (CMIND), The Huck Institutes for the Life Sciences, Pennsylvania State University, University Park, PA, 16802, USA.
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