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Introduction
Publications
Publications (30)
Background:
5XFAD humanized mutant mice and Trem2 knockout (T2KO) mice are two mouse models relevant to the study of Alzheimer's disease (AD)-related pathology.
Objective:
To determine hippocampal transcriptomic and polyadenylation site usage alterations caused by genetic mutations engineered in 5XFAD and T2KO mice.
Methods:
Employing a public...
A dataset of single-nucleus RNA sequencing data was analyzed using Seurat, Sierra, and Ingenuity Pathway Analysis (IPA) programs to assess differentially expressed genes (DEGs) and differential transcript usage (DTU) in mouse hippocampal cell types. Seurat identified DEGs between the wild type (WT) and Apoe knockout (EKO) mice. IPA identified 11 st...
Studies of the genetic heritability of schizophrenia and bipolar disorder examining single nucleotide polymorphisms (SNPs) and copy number variations have failed to explain a large portion of the genetic liability, resulting in substantial missing heritability. Long interspersed element 1 (L1) retrotransposons are a type of inherited polymorphic va...
Transcriptomic studies of bulk neural tissue homogenates from persons with schizophrenia and controls have identified differential expressed genes in multiple brain regions. However, the heterogeneous nature prevents identification of relevant cell types. This study utilized single-nuclei transcriptomics of ~311,000 nuclei from frozen human postmor...
The incidence of neonatal opioid withdrawal syndrome (NOWS) has increased substantially in the setting of the opioid epidemic, a major public health problem in the United States. At present, NOWS has commonly used assessment and treatment protocols, but new protocols have questioned old practices. However, because of limited access to opioid use di...
Long interspersed element-1 retrotransposons (LINE-1 or L1) are ~6 kb mobile DNA elements implicated in the origins of many Mendelian and complex diseases. The actively retrotransposing L1s are mostly limited to the L1 human specific (L1Hs) transcriptional active (Ta) subfamily. In this manuscript, we present REBELseq as a method for the constructi...
Long interspersed element-1 retrotransposons (LINE-1 or L1) are ~6 kb mobile DNA elements implicated in the origins of many Mendelian and complex diseases. The actively retrotransposing L1s are mostly limited to the L1 human specific Ta subfamily. In this manuscript, we present REBELseq as a method for the construction of differentially amplified n...
The glutamatergic neurotransmitter system may play an important role in attention-deficit hyperactivity disorder (ADHD). This 5-week, open-label, single-blind, placebo-controlled study reports the safety, pharmacokinetics and responsiveness of the metabotropic glutamate receptor (mGluR) activator fasoracetam (NFC-1), in 30 adolescents, age 12-17 ye...
Linkage studies in bipolar disorder (BPD) suggest that a susceptibility locus exists on chromosome 18p11. The myo-inositol monophosphatase 2 gene (IMPA2) maps to this genomic region. Myo-inositol monophosphatase dephosphorylates inositol monophosphate, regenerating free inositol. Lithium, a common treatment for BPD, has been shown to inhibit IMPA2...
Genetic linkage studies in bipolar disorder (BPD) suggest that a susceptibility locus exists on chromosome 18p11. The metallophosphoesterase (MPPE1) gene maps to this region. Dysregulation of protein phosphorylation and subsequent abnormal cellular signaling has been postulated to be involved in neuropsychiatric disorders thus making MPPE1 a plausi...
Linkage studies in bipolar disorder (BPD) suggest that a susceptibility locus exists on chromosome 18p11. The vesicle-associated membrane protein-associated protein A (VAPA) gene maps to this region. VAPA interacts with presynaptic proteins and is necessary for vesicular neurotransmission. Dysregulation of synaptic neurotransmission might contribut...
Dopaminergic brain systems have been documented to have a major role in drug reward, thus making genes involved in these circuits plausible candidates for susceptibility to substance use disorders. The catechol-O-methyltransferase (COMT) is involved in the degradation of catecholamines and a functional polymorphism (Val158Met) has been suggested to...
Dopaminergic brain systems have been implicated to play a major role in drug reward, thus making genes involved in these circuits plausible candidates for susceptibility to substance use disorders. The cocaine- and amphetamine-regulated transcript peptide (CARTPT) is involved in reward and feeding behavior and has functional characteristics of an e...
Linkage studies in bipolar disorder (BPD) suggest that a susceptibility locus exists on chromosome 18p11. The pituitary adenylate cyclase-activating polypeptide/adenylate cyclase-activating polypeptide 1 (pituitary) (PACAP/ADCYAP1) gene maps to this region. PACAP is a neuropeptide involved in neurotransmission in both the peripheral nervous system...
Linkage studies have suggested a susceptibility locus for schizophrenia (SZ) exists on chromosome 8p21-22. The vesicular monoamine transporter 1 gene (VMAT1), also known as SLC18A1, maps to this SZ susceptibility locus. Vesicular monoamine transporters are involved in the presynaptic vesicular packaging of monoamine neurotransmitters, which have be...
A number of studies have investigated the genes underlying dopamine, serotonin, and glutamine neurotransmitter systems in order to find a genetic basis for the pathology of cocaine dependence. The gene that encodes the prostate apoptosis factor-4 (Par-4) protein is located in the 12q21 region and has been shown to directly interact with the D2 dopa...
While the exact physiological mechanisms underlying cocaine dependence remain unclear, a growing body of evidence indicates a role for the serotonergic neurotransmitter system in the pathology of this substance use disorder. The focus of the present study is to determine whether genetic variation in the tryptophan hydroxylase-2 (TPH2) gene, which e...
A number of studies have implicated the chromosome 18p11 region as a susceptibility region for bipolar disorder. The gene encoding gamma-SNAP (NAPG), one of three soluble N-ethylmaleimide-sensitive fusion (NSF)-attachment proteins (SNAPs), is located in the 18p11 region and is thought to play a role in cellular processes required for neurotransmiss...
While twin and adoption studies have demonstrated that up to 70% of the risk for becoming addicted to cocaine is due to genetic factors, identifying specific genes involved in the development or progression of cocaine dependence has been difficult. The purpose of this study is to determine whether single-nucleotide polymorphisms in the Homer1 and H...
The endogenous opioid system has been shown to have a role in the biological processes involved in addiction to numerous drugs of abuse including cocaine. It has recently been reported that the variable nucleotide tandem repeat (VNTR) polymorphism in the 5' promoter region of the prodynorphin gene, which encodes the precursor for three endogenous o...
