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Suchanecka A, Boroń A, Chmielowiec K, Strońska-Pluta A, Masiak J, Lachowicz M, Chmielowiec J, Trybek G, Grzywacz A. HINT1 Gene Polymorphisms, Smoking Behaviour, and Personality Traits: A Haplotype Case-Control Study. Int J Mol Sci 2024; 25:7657. [PMID: 39062900 PMCID: PMC11276624 DOI: 10.3390/ijms25147657] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2024] [Revised: 07/04/2024] [Accepted: 07/09/2024] [Indexed: 07/28/2024] Open
Abstract
The factors influencing the development and maintenance of nicotine dependence are numerous and complex. Recent studies indicate that smokers exhibit distinct genetic predispositions to nicotine dependence. We aimed to analyse (1) the association between rs2551038 and cigarette smoking, (2) the association of between the rs3864236-rs2526303-rs2551038 haplotype and cigarette smoking, and (3) the personality traits measured by the NEO Five-Factor Inventory in cigarette users and never-smokers. No significant differences were present in the frequency of rs2551038 genotypes and alleles in the studied cigarette users compared to the control group. Cigarette users, compared to the control group, had higher scores on the NEO-FFI Extraversion scale (p = 0.0011), and lower scores were obtained by the cigarette users for the NEO-FFI Openness (p = 0.0060), Agreeability (p ≤ 0.000), and Conscientiousness (p ≤ 0.000) scales. There was a significant positive Pearson's linear correlation between the age and the Fagestrom test (r = 0.346; p < 0.0001) and the NEO-FFI Openness scale (r = 0.180; p < 0.0001) in the group of cigarette users. We observed significant linkage disequilibrium between rs2526303 and rs3864236 (D' = 0.3581; p < 2.2204 × 10-16) and between rs2526303 and rs2551038 (D' = 0.9993; p < 2.2204 × 10-16) in the tested sample. The sex-stratified haplotype analysis revealed that in the group of male never-smokers, the GTC haplotype was significantly more frequent than in the group of cigarette users (38% vs. 22%; p = 0.0039). The presented study reveals significant differences in personality trait scores between cases and controls. Moreover, the sex-stratified analysis showed significant differences in haplotype distribution. These results underscore the interplay between genetic predisposition, sex, and personality in nicotine-using individuals.
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Affiliation(s)
- Aleksandra Suchanecka
- Independent Laboratory of Behavioural Genetics and Epigenetics, Pomeranian Medical University in Szczecin, Powstańców Wielkopolskich 72 St., 70-111 Szczecin, Poland; (A.S.); (A.S.-P.)
| | - Agnieszka Boroń
- Department of Clinical and Molecular Biochemistry, Pomeranian Medical University in Szczecin, Powstańców Wielkopolskich 72 St., 70-111 Szczecin, Poland;
| | - Krzysztof Chmielowiec
- Department of Hygiene and Epidemiology, Collegium Medicum, University of Zielona Góra, 28 Zyty St., 65-046 Zielona Góra, Poland; (K.C.); (J.C.)
| | - Aleksandra Strońska-Pluta
- Independent Laboratory of Behavioural Genetics and Epigenetics, Pomeranian Medical University in Szczecin, Powstańców Wielkopolskich 72 St., 70-111 Szczecin, Poland; (A.S.); (A.S.-P.)
| | - Jolanta Masiak
- Second Department of Psychiatry and Psychiatric Rehabilitation, Medical University of Lublin, 1 Głuska St., 20-059 Lublin, Poland;
| | - Milena Lachowicz
- Department of Psychology, Gdansk University of Physical Education and Sport, 80-336 Gdansk, Poland;
| | - Jolanta Chmielowiec
- Department of Hygiene and Epidemiology, Collegium Medicum, University of Zielona Góra, 28 Zyty St., 65-046 Zielona Góra, Poland; (K.C.); (J.C.)
| | - Grzegorz Trybek
- Department of Oral Surgery, Pomeranian Medical University in Szczecin, Powstańców Wielkopolskich 72 St., 70-111 Szczecin, Poland;
| | - Anna Grzywacz
- Independent Laboratory of Behavioural Genetics and Epigenetics, Pomeranian Medical University in Szczecin, Powstańców Wielkopolskich 72 St., 70-111 Szczecin, Poland; (A.S.); (A.S.-P.)
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Suchanecka A, Boroń A, Chmielowiec K, Strońska-Pluta A, Masiak J, Lachowicz M, Chmielowiec J, Janiszewska-Olszowska J, Grzywacz A. The HINT1 Gene rs2526303 Polymorphism and Its Association with Personality Traits in Cigarette Smokers. Int J Mol Sci 2024; 25:1218. [PMID: 38279213 PMCID: PMC10816865 DOI: 10.3390/ijms25021218] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2023] [Revised: 01/10/2024] [Accepted: 01/17/2024] [Indexed: 01/28/2024] Open
Abstract
The development of a substance use disorder (SUD) is a multifaceted process influenced by both genetic and environmental factors. Recent research has suggested the potential involvement of the HINT1 gene in various aspects of plasticity, mood regulation, anxiety-like behaviour, and stress-coping mechanisms. Moreover, personality traits are also recognised to be instrumental in developing substance dependency. Given these considerations, our study investigated the associations among cigarette smoking, personality traits, and the rs2526303 polymorphism. Additionally, we investigated the interactions between personality traits and rs2526303 in the HINT1 gene. The study group comprised 531 volunteers: 375 cigarette users (mean age = 29.42 ± 10.72; F = 49%, M = 51%) and 156 never-smokers (mean age = 26.93 ± 10.09; F = 79%, M = 21%). Genotyping was conducted using the real-time PCR method, and the NEO Five-Factor Personality Inventory and State-Trait Anxiety Inventory were administered. There were no statistically significant differences in the frequency of rs2526303 genotypes and alleles in the cigarette user group compared to the control group. Compared to the control group, the cigarette users obtained higher scores in the assessment of the NEO-FFI Extraversion scale and lower results for the NEO-FFI Openness, Agreeableness, and Conscientiousness scales. Additionally, there was a statistically significant effect of rs2526303 genotype interaction and cigarette-using status on the conscientiousness scale. These outcomes collectively suggest a notable association between cigarette smoking and specific dimensions of personality, particularly highlighting differences in extraversion, openness, agreeableness, and conscientiousness. Furthermore, the detected interaction effect involving rs2526303 concerning conscientiousness signifies a complex interplay between genetic factors and smoking behaviour.
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Affiliation(s)
- Aleksandra Suchanecka
- Independent Laboratory of Health Promotion, Pomeranian Medical University in Szczecin, Powstańców Wielkopolskich 72 St., 70-111 Szczecin, Poland; (A.S.); (A.S.-P.)
| | - Agnieszka Boroń
- Department of Clinical and Molecular Biochemistry, Pomeranian Medical University in Szczecin, Powstańców Wielkopolskich 72 St., 70-111 Szczecin, Poland;
| | - Krzysztof Chmielowiec
- Department of Hygiene and Epidemiology, Collegium Medicum, University of Zielona Góra, 28 Zyty St., 65-046 Zielona Góra, Poland; (K.C.); (J.C.)
| | - Aleksandra Strońska-Pluta
- Independent Laboratory of Health Promotion, Pomeranian Medical University in Szczecin, Powstańców Wielkopolskich 72 St., 70-111 Szczecin, Poland; (A.S.); (A.S.-P.)
| | - Jolanta Masiak
- Second Department of Psychiatry and Psychiatric Rehabilitation, Medical University of Lublin, 1 Głuska St., 20-059 Lublin, Poland;
| | - Milena Lachowicz
- Department of Psychology, Gdansk University of Physical Education and Sport, 80-336 Gdansk, Poland;
| | - Jolanta Chmielowiec
- Department of Hygiene and Epidemiology, Collegium Medicum, University of Zielona Góra, 28 Zyty St., 65-046 Zielona Góra, Poland; (K.C.); (J.C.)
| | | | - Anna Grzywacz
- Independent Laboratory of Health Promotion, Pomeranian Medical University in Szczecin, Powstańców Wielkopolskich 72 St., 70-111 Szczecin, Poland; (A.S.); (A.S.-P.)
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Dillenburg M, Smith J, Wagner CR. The Many Faces of Histidine Triad Nucleotide Binding Protein 1 (HINT1). ACS Pharmacol Transl Sci 2023; 6:1310-1322. [PMID: 37854629 PMCID: PMC10580397 DOI: 10.1021/acsptsci.3c00079] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2023] [Indexed: 10/20/2023]
Abstract
The histidine triad nucleotide binding protein 1 (HINT1) is a nucleoside phosphoramidase that has garnered interest due to its widespread expression and participation in a broad range of biological processes. Herein, we discuss the role of HINT1 as a regulator of several CNS functions, tumor suppressor, and mast cell activator via its interactions with multiple G-protein-coupled receptors and transcription factors. Importantly, altered HINT1 expression and mutation are connected to the progression of multiple disease states, including several neuropsychiatric disorders, peripheral neuropathy, and tumorigenesis. Additionally, due to its involvement in the activation of several clinically used phosphoramidate prodrugs, tremendous efforts have been made to better understand the interactions behind nucleoside binding and phosphoramidate hydrolysis by HINT1. We detail the substrate specificity and catalytic mechanism of HINT1 hydrolysis, while highlighting the structural biology behind these efforts. The aim of this review is to summarize the multitude of biological and pharmacological functions in which HINT1 participates while addressing the areas of need for future research.
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Affiliation(s)
- Maxwell Dillenburg
- Department of Medicinal Chemistry, University of Minnesota, Minneapolis, Minnesota 55455, United States
| | - Jacob Smith
- Department of Medicinal Chemistry, University of Minnesota, Minneapolis, Minnesota 55455, United States
| | - Carston R Wagner
- Department of Medicinal Chemistry, University of Minnesota, Minneapolis, Minnesota 55455, United States
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Khan AH, Bagley JR, LaPierre N, Gonzalez-Figueroa C, Spencer TC, Choudhury M, Xiao X, Eskin E, Jentsch JD, Smith DJ. Genetic pathways regulating the longitudinal acquisition of cocaine self-administration in a panel of inbred and recombinant inbred mice. Cell Rep 2023; 42:112856. [PMID: 37481717 PMCID: PMC10530068 DOI: 10.1016/j.celrep.2023.112856] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2022] [Revised: 06/06/2023] [Accepted: 07/10/2023] [Indexed: 07/25/2023] Open
Abstract
To identify addiction genes, we evaluate intravenous self-administration of cocaine or saline in 84 inbred and recombinant inbred mouse strains over 10 days. We integrate the behavior data with brain RNA-seq data from 41 strains. The self-administration of cocaine and that of saline are genetically distinct. We maximize power to map loci for cocaine intake by using a linear mixed model to account for this longitudinal phenotype while correcting for population structure. A total of 15 unique significant loci are identified in the genome-wide association study. A transcriptome-wide association study highlights the Trpv2 ion channel as a key locus for cocaine self-administration as well as identifying 17 additional genes, including Arhgef26, Slc18b1, and Slco5a1. We find numerous instances where alternate splice site selection or RNA editing altered transcript abundance. Our work emphasizes the importance of Trpv2, an ionotropic cannabinoid receptor, for the response to cocaine.
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Affiliation(s)
- Arshad H Khan
- Department of Molecular and Medical Pharmacology, Geffen School of Medicine, UCLA, Los Angeles, CA 90095, USA
| | - Jared R Bagley
- Department of Psychology, Binghamton University, Binghamton, NY, USA
| | - Nathan LaPierre
- Department of Computer Science, UCLA, Los Angeles, CA 90095, USA
| | | | - Tadeo C Spencer
- Department of Integrative Biology and Physiology, UCLA, Los Angeles, CA 90095, USA
| | - Mudra Choudhury
- Department of Integrative Biology and Physiology, UCLA, Los Angeles, CA 90095, USA
| | - Xinshu Xiao
- Department of Integrative Biology and Physiology, UCLA, Los Angeles, CA 90095, USA
| | - Eleazar Eskin
- Department of Computational Medicine, UCLA, Los Angeles, CA 90095, USA
| | - James D Jentsch
- Department of Psychology, Binghamton University, Binghamton, NY, USA
| | - Desmond J Smith
- Department of Molecular and Medical Pharmacology, Geffen School of Medicine, UCLA, Los Angeles, CA 90095, USA.
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Suchanecka A, Boroń A, Chmielowiec K, Strońska-Pluta A, Masiak J, Lachowicz M, Chmielowiec J, Grzywacz A. Association of the rs3864283 Polymorphism Located in the HINT1 Gene with Cigarette Use and Personality Traits. Int J Mol Sci 2023; 24:10244. [PMID: 37373392 PMCID: PMC10299401 DOI: 10.3390/ijms241210244] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2023] [Revised: 06/12/2023] [Accepted: 06/14/2023] [Indexed: 06/29/2023] Open
Abstract
Nicotine is the major reinforcing component of tobacco and it is believed that the pharmacological effects of nicotine motivate the initiation and maintenance of a smoking habit. HINT1 appears to play a role in the modulation of the effects of drug abuse. Hence, the aim of this study was the analysis of the association between the rs3864283 polymorphism of the HINT1 gene and cigarette use; the analysis of personality traits assessed by the means of the NEO-FFI Inventory; the analysis of anxiety measured by the STAI questionnaire; and the analysis of the interactions between the rs3864283 and both personality traits and anxiety. The study group consisted of 522 volunteers. Of these, 371 were cigarette users and 151 were never-smokers. The genomic DNA was isolated from venous blood using standard procedures. The results of both inventories, i.e., NEO-FFI and STAI., were reported as the sten scores. Genotyping was conducted with the real-time PCR method. Statistically significant differences were found in the frequency of rs3864283 genotypes and alleles in the tested sample of Cigarette Users when compared to the control group. The Cigarette Users compared to the control group obtained higher scores in the assessment of NEO-FFI extraversion scale, and significantly lower results were obtained for the NEO-FFI openness scale, the agreeableness scale, and the conscientiousness scale. There was a statistically significant effect of rs3864283 genotype interaction and Cigarette Use or not using (control group) on the extraversion scale. There was also a statistically significant effect of Cigarette Users or the control group on the extraversion scale score. The results obtained in the presented study indicated a significant association between the HINT1 rs3864283 variant and smoking status. Moreover, this is the first study incorporating genetic association of above-mentioned polymorphic site with interaction analysis of personality traits and anxiety. Overall, the results of this study suggest that HINT1 is an important genetic component associated with nicotine usage mechanisms.
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Affiliation(s)
- Aleksandra Suchanecka
- Independent Laboratory of Health Promotion, Pomeranian Medical University in Szczecin, Powstańców Wielkopolskich 72 St., 70-111 Szczecin, Poland; (A.S.); (A.S.-P.)
| | - Agnieszka Boroń
- Department of Clinical and Molecular Biochemistry, Pomeranian Medical University in Szczecin, Aleja Powstańców Wielkopolskich 72 St., 70-111 Szczecin, Poland;
| | - Krzysztof Chmielowiec
- Department of Hygiene and Epidemiology, Collegium Medicum, University of Zielona Góra, 28 Zyty St., 65-046 Zielona Góra, Poland; (K.C.); (J.C.)
| | - Aleksandra Strońska-Pluta
- Independent Laboratory of Health Promotion, Pomeranian Medical University in Szczecin, Powstańców Wielkopolskich 72 St., 70-111 Szczecin, Poland; (A.S.); (A.S.-P.)
| | - Jolanta Masiak
- Second Department of Psychiatry and Psychiatric Rehabilitation, Medical University of Lublin, 1 Głuska St., 20-059 Lublin, Poland;
| | - Milena Lachowicz
- Department of Psychology, Gdansk University of Physical Education and Sport, 80-336 Gdansk, Poland;
| | - Jolanta Chmielowiec
- Department of Hygiene and Epidemiology, Collegium Medicum, University of Zielona Góra, 28 Zyty St., 65-046 Zielona Góra, Poland; (K.C.); (J.C.)
| | - Anna Grzywacz
- Independent Laboratory of Health Promotion, Pomeranian Medical University in Szczecin, Powstańców Wielkopolskich 72 St., 70-111 Szczecin, Poland; (A.S.); (A.S.-P.)
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Liu P, Lei G, Chu Z, Deng LS, Yang L, He JL, Dang YH. The role of HINT1 in methamphetamine-induced behavioral sensitization. Psychopharmacology (Berl) 2020; 237:2345-2351. [PMID: 32430517 DOI: 10.1007/s00213-020-05538-4] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/22/2020] [Accepted: 04/27/2020] [Indexed: 12/21/2022]
Abstract
BACKGROUND Drug addiction is a chronically relapsing disorder in humans yet the underlying mechanism remained unclear. Recent studies suggested that histidine triad nucleotide binding protein1 (HINT1) may play significant roles in diverse neuropsychiatric diseases including drug addiction. METHODS In the current study, we used different batches of mice to establish different stages of methamphetamine (METH)-induced behavioral sensitization (BS) to explore the dynamic changes throughout the process of addiction in different brain regions, including the prefrontal cortex (PFC), nucleus accumbens (NAc), caudate putamen (CPu), and hippocampus (Hip). In addition, we used HINT1 knockout (KO) mice to investigate the effect of HINT1 protein deletion on METH-induced BS. RESULTS We found that in PFC of the METH group mice, the HINT1 expression level initially increased after development phase, and then dropped to the normal level during expression phase. However, there was no statistical difference in the HINT1 expression level in the other three encephalic regions (NAc, CPu, and Hip). The absence of HINT1 could promote METH-mediated addictive behavior to a certain extent, while the significant difference between genotypes only occurred in the development phase. CONCLUSIONS Using the new technique, hip fractures were correctly predicted in 78% of cases compared with 36% when using the T-score. The accuracy of the prediction was not greatly reduced when using SSM and SAM (78% and 74% correct, respectively). Various geometric and BMD distribution traits were identified in the fractured and non-fractured groups.
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Affiliation(s)
- Peng Liu
- Department of Pharmacology and Toxicology, Institute of Basic Medicine Science, Xi'an Medical University, Xi'an, 710021, China
| | - Gang Lei
- College of Medicine & Forensics, Key Laboratory of the Health Ministry for Forensic Medicine, Key Laboratory of Environment and Genes Related to Diseases of the Education Ministry, Xi'an Jiaotong University Health Science Center, Xi'an, 710061, China
| | - Zheng Chu
- College of Medicine & Forensics, Key Laboratory of the Health Ministry for Forensic Medicine, Key Laboratory of Environment and Genes Related to Diseases of the Education Ministry, Xi'an Jiaotong University Health Science Center, Xi'an, 710061, China
| | - Li-Sha Deng
- College of Medicine & Forensics, Key Laboratory of the Health Ministry for Forensic Medicine, Key Laboratory of Environment and Genes Related to Diseases of the Education Ministry, Xi'an Jiaotong University Health Science Center, Xi'an, 710061, China
| | - Liu Yang
- College of Medicine & Forensics, Key Laboratory of the Health Ministry for Forensic Medicine, Key Laboratory of Environment and Genes Related to Diseases of the Education Ministry, Xi'an Jiaotong University Health Science Center, Xi'an, 710061, China
| | - Jun-Liang He
- College of Medicine & Forensics, Key Laboratory of the Health Ministry for Forensic Medicine, Key Laboratory of Environment and Genes Related to Diseases of the Education Ministry, Xi'an Jiaotong University Health Science Center, Xi'an, 710061, China
| | - Yong-Hui Dang
- College of Medicine & Forensics, Key Laboratory of the Health Ministry for Forensic Medicine, Key Laboratory of Environment and Genes Related to Diseases of the Education Ministry, Xi'an Jiaotong University Health Science Center, Xi'an, 710061, China.
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Lei G, Liu F, Liu P, Jiao T, Yang L, Chu Z, Deng LS, Li Y, Dang YH. Does genetic mouse model of constitutive Hint1 deficiency exhibit schizophrenia-like behaviors? Schizophr Res 2020; 222:304-318. [PMID: 32439293 DOI: 10.1016/j.schres.2020.05.018] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/22/2020] [Revised: 05/03/2020] [Accepted: 05/06/2020] [Indexed: 01/13/2023]
Abstract
The histidine triad nucleotide binding protein 1 (HINT1) is closely related to many neuropsychiatric disorders. Clinical studies supported that mutations in the Hint1 gene correlated potentially with schizophrenia. In addition, Hint1 gene knockout (KO) mice exhibited hyperactivity induced by amphetamine and apomorphine. However, it is still unclear whether this animal model exhibits schizophrenia-like behaviors and, if so, their underlying mechanisms remain to be elucidated. Thus, our study sought to evaluate schizophrenia-like behaviors in Hint1-KO mice, and explore the associated changes in neuronal structural plasticity and schizophrenia-related molecules. A series of behavioral tests were used to compare Hint1-KO and their wild-type (WT) littermates, alongside a number of morphological and molecular biological methods. Relative to WT mice, Hint1-KO mice exhibited reduced social interaction behaviors, aggressive behavior, sensorimotor gating deficits, apathetic and self-neglect behaviors, and increased MK-801-induced hyperactivity. Hint1-KO mice also showed partly increased dendritic complexity in the hippocampus (Hip) relative to WT mice. Total glutamate was decreased in the medial prefrontal cortex, nucleus accumbens (NAc), and Hip of KO mice. Expression of NR1, NR2A, and D4R was decreased whereas that of D1R was increased in the NAc of KO relative to WT mice. The expression level of NR2B was increased whereas that of D1R was decreased in the Hip of KO mice. Hint1-KO mice exhibited schizophrenia-like behaviors. Partly increased dendritic complexity and dysfunction in both the dopaminergic and glutamatergic systems may be involved in the abnormalities in Hint1-KO mice.
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Affiliation(s)
- Gang Lei
- College of Medicine & Forensics, Xi'an Jiaotong University Health Science Center, Xi'an, Shaanxi, PR China
| | - Fei Liu
- College of Medicine & Forensics, Xi'an Jiaotong University Health Science Center, Xi'an, Shaanxi, PR China; Clinical Research Center of Shaanxi Province for Dental and Maxillofacial Diseases, College of Stomatology, Xi'an Jiaotong University, Xi'an, Shaanxi, PR China
| | - Peng Liu
- College of Medicine & Forensics, Xi'an Jiaotong University Health Science Center, Xi'an, Shaanxi, PR China
| | - Tong Jiao
- The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi, PR China
| | - Liu Yang
- College of Medicine & Forensics, Xi'an Jiaotong University Health Science Center, Xi'an, Shaanxi, PR China
| | - Zheng Chu
- College of Medicine & Forensics, Xi'an Jiaotong University Health Science Center, Xi'an, Shaanxi, PR China
| | - Li-Sha Deng
- The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi, PR China
| | - Yan Li
- The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi, PR China
| | - Yong-Hui Dang
- College of Medicine & Forensics, Xi'an Jiaotong University Health Science Center, Xi'an, Shaanxi, PR China; Key Laboratory of the Health Ministry for Forensic Medicine, Xi'an Jiaotong University Health Science Center, Xi'an, Shaanxi, PR China; Key Laboratory of Shaanxi Province for Forensic Medicine, Xi'an Jiaotong University Health Science Center, Xi'an, Shaanxi, PR China; State Key Laboratory for Manufacturing Systems Engineering, School of Mechanical Engineering, Xi'an Jiaotong University, Xi'an, Shaanxi, PR China.
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Proteomic Studies of Psychiatric Disorders. METHODS IN MOLECULAR BIOLOGY (CLIFTON, N.J.) 2019; 1735:59-89. [PMID: 29380307 DOI: 10.1007/978-1-4939-7614-0_4] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Abstract
Many diseases result from programming effects in utero. This chapter describes recent advances in proteomic studies which have improved our understanding of the underlying pathophysiological pathways in the major psychiatric disorders, resulting in the development of potential novel biomarker tests. Such tests should be based on measurement of blood-based proteins given the ease of accessibility of this medium and the known connections between the periphery and the central nervous system. Most importantly, emerging biomarker tests should be developed on lab-on-a-chip and other handheld devices to enable point-of-care use. This should help to identify individuals with psychiatric disorders much sooner than ever before, which will allow more rapid treatment options for the best possible patient outcomes.
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Li BJ, Liu P, Chu Z, Shang Y, Huan MX, Dang YH, Gao CG. Social isolation induces schizophrenia-like behavior potentially associated with HINT1, NMDA receptor 1, and dopamine receptor 2. Neuroreport 2018; 28:462-469. [PMID: 28410269 PMCID: PMC5639997 DOI: 10.1097/wnr.0000000000000775] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Both genetic factors and early life adversity play major roles in the etiology of schizophrenia. Our previous studies indicated that social isolation (SI) during early postnatal development leads to several lasting abnormal behavioral and pathophysiological features resembling the core symptoms of some human neuropsychiatric disorders in mice. The glutamate and dopamine hypotheses are tightly linked to the development of schizophrenia. The cross-talk between glutamate N-methyl-d-aspartate acid receptors and dopamine receptors is associated with histidine triad nucleotide binding protein 1 (HINT1), which is correlated with diverse psychiatric disorders. We examined the effects of SI on schizophrenia-like behavior and used enzyme-linked immunosorbent assays to investigate the expression levels of HINT1, the NR1 subunit of N-methyl-d-aspartate acid receptor, and dopamine type 2 receptor (D2R) in C57 mice. We found that SI leads to a series of schizophrenia-related deficits, such as social withdrawal, anxiety disorder, cognitive impairments, and sensorimotor gating disturbances. These abnormal phenotypes paralleled changes of HINT1, NR1, and D2R. SI may be considered a robust model of the effects of early life stress on the schizophrenia-related behaviors in mice. Potential interactions among HINT1, NR1, and D2R may underlie the behavioral deficits induced by SI.
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Affiliation(s)
- Bai-Jia Li
- aDepartment of Psychiatry, First Affiliated Hospital of Xi'an Jiaotong University Health Science Center bCollege of Medicine and Forensics, Xi'an Jiaotong University Health Science Center cQi De College, Xi'an Jiaotong University dKey Laboratory of the Health Ministry for Forensic Medicine eKey Laboratory of Forensic Medicine of Shaanxi Province, Xi'an Jiaotong University Health Science Center, Shaanxi, People's Republic of China
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Shah R, Zhou A, Wagner CR. Switch-on fluorescent/FRET probes to study human histidine triad nucleotide binding protein 1 (hHint1), a novel target for opioid tolerance and neuropathic pain. Org Biomol Chem 2018; 15:10230-10237. [PMID: 29177353 DOI: 10.1039/c7ob02472j] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Abstract
Histidine Triad Nucleotide Binding Protein 1 (Hint1) has emerged to be an important post-synaptic protein associated with a variety of central nervous system disorders such as pain, addiction, and schizophrenia. Recently, inhibition of histidine nucleotide binding protein 1 (Hint1) with a small nucleoside inhibitor has shown promise as a new therapeutic strategy for the treatment of neuropathic pain. Herein, we describe the first rationally designed small molecule switch-on probes with dual fluorescence and FRET properties to study Hint1. Two non-natural fluorescent nucleosides with a fluorescent lifetime of 20 and 25 ns were each coupled through a linker to the indole ring, i.e. probes 7 and 8. Both probes were found to be water soluble and quenched intramolecularly via photoinduced electron transfer (PET) resulting in minimal background fluorescence. Upon incubating with Hint1, compound 7 and 8 exhibited a 40- and 16-fold increase in the fluorescence intensity compared to the control. Compounds 7 and 8 bind Hint1 with a dissociation constant of 0.121 ± 0.02 and 2.2 ± 0.36 μM, respectively. We demonstrate that probe 8 exhibits a switch-on FRET property with an active site tryptophan residue (W123). We show the utility of probes in performing quantitative ligand displacement studies, as well as in selective detection of Hint1 in the cell lysates. These probes should be useful for studying the dynamics of the active site, as well as for the development of fluorescence lifetime based high throughput screening assay to identify novel inhibitors for Hint1 in future.
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Affiliation(s)
- Rachit Shah
- Department of Medicinal Chemistry University of Minnesota, USA.
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11
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HINT1 in Neuropsychiatric Diseases: A Potential Neuroplastic Mediator. Neural Plast 2017; 2017:5181925. [PMID: 29214080 PMCID: PMC5682914 DOI: 10.1155/2017/5181925] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2017] [Revised: 08/23/2017] [Accepted: 09/18/2017] [Indexed: 01/25/2023] Open
Abstract
Although many studies have investigated the functions of histidine triad nucleotide-binding protein 1 (HINT1), its roles in neurobiological processes remain to be fully elucidated. As a member of the histidine triad (HIT) enzyme superfamily, HINT1 is distributed in almost every organ and has both enzymatic and nonenzymatic activity. Accumulating clinical and preclinical evidence suggests that HINT1 may play an important role as a neuroplastic mediator in neuropsychiatric diseases, such as schizophrenia, inherited peripheral neuropathies, mood disorders, and drug addiction. Though our knowledge of HINT1 is limited, it is believed that further research on the neuropathological functions of HINT1 would eventually benefit patients with neuropsychiatric and even psychosomatic diseases.
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12
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Saxena A, Scaini G, Bavaresco DV, Leite C, Valvassori SS, Carvalho AF, Quevedo J. Role of Protein Kinase C in Bipolar Disorder: A Review of the Current Literature. MOLECULAR NEUROPSYCHIATRY 2017; 3:108-124. [PMID: 29230399 DOI: 10.1159/000480349] [Citation(s) in RCA: 47] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/23/2017] [Accepted: 08/14/2017] [Indexed: 12/19/2022]
Abstract
Bipolar disorder (BD) is a major health problem. It causes significant morbidity and imposes a burden on the society. Available treatments help a substantial proportion of patients but are not beneficial for an estimated 40-50%. Thus, there is a great need to further our understanding the pathophysiology of BD to identify new therapeutic avenues. The preponderance of evidence pointed towards a role of protein kinase C (PKC) in BD. We reviewed the literature pertinent to the role of PKC in BD. We present recent advances from preclinical and clinical studies that further support the role of PKC. Moreover, we discuss the role of PKC on synaptogenesis and neuroplasticity in the context of BD. The recent development of animal models of BD, such as stimulant-treated and paradoxical sleep deprivation, and the ability to intervene pharmacologically provide further insights into the involvement of PKC in BD. In addition, the effect of PKC inhibitors, such as tamoxifen, in the resolution of manic symptoms in patients with BD further points in that direction. Furthermore, a wide variety of growth factors influence neurotransmission through several molecular pathways that involve downstream effects of PKC. Our current understanding identifies the PKC pathway as a potential therapeutic avenue for BD.
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Affiliation(s)
- Ashwini Saxena
- Translational Psychiatry Program, Department of Psychiatry and Behavioral Sciences, McGovern Medical School, The University of Texas Health Science Center at Houston, Houston, Texas, USA
| | - Giselli Scaini
- Translational Psychiatry Program, Department of Psychiatry and Behavioral Sciences, McGovern Medical School, The University of Texas Health Science Center at Houston, Houston, Texas, USA
| | - Daniela V Bavaresco
- Laboratory of Neurosciences, Graduate Program in Health Sciences, Health Sciences Unit, University of Southern Santa Catarina, Criciúma, Brazil
| | - Camila Leite
- Laboratory of Neurosciences, Graduate Program in Health Sciences, Health Sciences Unit, University of Southern Santa Catarina, Criciúma, Brazil
| | - Samira S Valvassori
- Laboratory of Neurosciences, Graduate Program in Health Sciences, Health Sciences Unit, University of Southern Santa Catarina, Criciúma, Brazil
| | - André F Carvalho
- Translational Psychiatry Research Group, Faculty of Medicine, Federal University of Ceara, Fortaleza, Brazil
| | - João Quevedo
- Translational Psychiatry Program, Department of Psychiatry and Behavioral Sciences, McGovern Medical School, The University of Texas Health Science Center at Houston, Houston, Texas, USA.,Laboratory of Neurosciences, Graduate Program in Health Sciences, Health Sciences Unit, University of Southern Santa Catarina, Criciúma, Brazil.,Center of Excellence on Mood Disorders, Department of Psychiatry and Behavioral Sciences, McGovern Medical School, The University of Texas Health Science Center at Houston, Houston, Texas, USA.,Neuroscience Graduate Program, The University of Texas Graduate School of Biomedical Sciences at Houston, Houston, Texas, USA
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13
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Sun L, Liu P, Liu F, Zhou Y, Chu Z, Li Y, Chu G, Zhang Y, Wang J, Dang YH. Effects of Hint1 deficiency on emotional-like behaviors in mice under chronic immobilization stress. Brain Behav 2017; 7:e00831. [PMID: 29075577 PMCID: PMC5651401 DOI: 10.1002/brb3.831] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/23/2016] [Revised: 07/08/2017] [Accepted: 08/15/2017] [Indexed: 12/17/2022] Open
Abstract
BACKGROUND Histidine triad nucleotide-binding protein 1 (HINT1) is regarded as a haplo-insufficient tumor suppressor and is closely associated with diverse neuropsychiatric diseases. Moreover, HINT1 is related to gender-specific acute behavior changes in schizophrenia and in response to nicotine. Stress has a range of molecular effects in emotional disorders, which can cause a reduction in brain-derived neurotrophic factor (BDNF) expression in the hippocampus, resulting in hippocampal atrophy and neuronal cell loss. METHODS This study examined the role of HINT1 deficiency in anxiety-related and depression-like behaviors and BDNF expression in the hippocampus under chronic immobilization stress, and investigated whether the sex-specific and haplo-insufficient effects exist in emotional-like behaviors under the same condition. RESULTS In a battery of behavior tests, the results of the control group, not exposed to stress, showed that knockout (KO) and heterozygosity (HT) of Hint1 had anxiolytic-like and antidepression-like effects on the male and female mice. However, both male and female Hint1-KO mice showed elevated anxiety-related and antidepression-like behavior under chronic immobilization stress; moreover, both male and female Hint1-HT mice displayed elevated anxiety-related behavior and increased depression-like behavior under chronic immobilization stress. There were no significant differences in general locomotor activity between Hint1-KO and -HT mice and their wild-type (WT) littermates. Hint1-KO mice under basal and chronic immobilization stress conditions expressed more BDNF in the hippocampus than did Hint1-HT and WT mice; overall, there were no significant sex differences in emotional-like behaviors of Hint1-KO and -HT mice. Additionally, Hint1-HT mice showed haplo-insufficient effects on emotional-like behaviors under basic conditions, rather than under chronic immobilization stress. CONCLUSIONS Both male and female HINT 1 KO and HT mice had a trend of anxiolytic-like behavior and antidepression-like behavior at control group. However, both male and female HINT1 KO mice showed elevated anxiety-related and antidepression-like behavior under chronic immobilization stress; moreover, both male and female HINT1 HT mice displayed elevated anxiety-related behavior and increased depression-like behavior under chronic immobilization stress.
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Affiliation(s)
- Liankang Sun
- First Affiliated Hospital Xi'an Jiaotong University Xi'an China
| | - Peng Liu
- College of Medicine & Forensics Key Laboratory of the Health Ministry for Forensic Medicine Key Laboratory of Environment and Genes Related to Diseases of the Education Ministry Xi'an Jiaotong University Health Science Center Xi'an China
| | - Fei Liu
- College of Medicine & Forensics Key Laboratory of the Health Ministry for Forensic Medicine Key Laboratory of Environment and Genes Related to Diseases of the Education Ministry Xi'an Jiaotong University Health Science Center Xi'an China.,Clinical Research Center of Shaanxi Province for Dental and Maxillofacial Diseases College of Stomatology Xi'an Jiaotong University Xi'an China
| | - Yuan Zhou
- Qi De College Xi'an Jiaotong University Xi'an China
| | - Zheng Chu
- College of Medicine & Forensics Key Laboratory of the Health Ministry for Forensic Medicine Key Laboratory of Environment and Genes Related to Diseases of the Education Ministry Xi'an Jiaotong University Health Science Center Xi'an China
| | - Yuqi Li
- Qi De College Xi'an Jiaotong University Xi'an China
| | - Guang Chu
- Zong Lian College Xi'an Jiaotong University Xi'an China
| | - Ying Zhang
- Qi De College Xi'an Jiaotong University Xi'an China
| | - Jiabei Wang
- Department of Pharmaceutical Sciences School of Pharmacy University of Maryland Baltimore MD USA
| | - Yong-Hui Dang
- College of Medicine & Forensics Key Laboratory of the Health Ministry for Forensic Medicine Key Laboratory of Environment and Genes Related to Diseases of the Education Ministry Xi'an Jiaotong University Health Science Center Xi'an China
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14
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Shah R, Chou TF, Maize KM, Strom A, Finzel BC, Wagner CR. Inhibition by divalent metal ions of human histidine triad nucleotide binding protein1 (hHint1), a regulator of opioid analgesia and neuropathic pain. Biochem Biophys Res Commun 2017; 491:760-766. [DOI: 10.1016/j.bbrc.2017.07.111] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2017] [Revised: 07/18/2017] [Accepted: 07/20/2017] [Indexed: 01/13/2023]
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15
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Li JP, Liu P, Lei G, Chu Z, Liu F, Shi CF, Dang YH, Chen T. The Role of HINT1 in Methamphetamine-Induced Conditioned Place Preference. Neurotox Res 2017; 33:353-361. [DOI: 10.1007/s12640-017-9797-7] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2017] [Revised: 08/05/2017] [Accepted: 08/10/2017] [Indexed: 12/21/2022]
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16
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Peeters K, Chamova T, Tournev I, Jordanova A. Axonal neuropathy with neuromyotonia: there is a HINT. Brain 2017; 140:868-877. [PMID: 28007994 PMCID: PMC5382946 DOI: 10.1093/brain/aww301] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2016] [Accepted: 10/08/2016] [Indexed: 02/06/2023] Open
Abstract
Recessive mutations in the gene encoding the histidine triad nucleotide binding protein 1 (HINT1) were recently shown to cause a motor-predominant Charcot–Marie–Tooth neuropathy. About 80% of the patients exhibit neuromyotonia, a striking clinical and electrophysiological hallmark that can help to distinguish this disease and to guide diagnostic screening. HINT1 neuropathy has worldwide distribution and is particularly prevalent in populations inhabiting central and south-eastern Europe. With 12 different mutations identified in more than 60 families, it ranks among the most common subtypes of axonal Charcot–Marie–Tooth neuropathy. This article provides an overview of the present knowledge on HINT1 neuropathy with the aim to increase awareness and spur interest among clinicians and researchers in the field. We propose diagnostic guidelines to recognize and differentiate this entity and suggest treatment strategies to manage common symptoms. As a recent player in the field of hereditary neuropathies, the role of HINT1 in peripheral nerves is unknown and the underlying disease mechanisms are unexplored. We provide a comprehensive overview of the structural and functional characteristics of the HINT1 protein that may guide further studies into the molecular aetiology and treatment strategies of this peculiar Charcot–Marie–Tooth subtype.
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Affiliation(s)
- Kristien Peeters
- Molecular Neurogenomics Group, Department of Molecular Genetics, VIB and University of Antwerp, Antwerpen 2610, Belgium
| | - Teodora Chamova
- Department of Neurology, Medical University-Sofia, Sofia 1431, Bulgaria
| | - Ivailo Tournev
- Department of Neurology, Medical University-Sofia, Sofia 1431, Bulgaria.,Department of Cognitive Science and Psychology, New Bulgarian University, Sofia 1618, Bulgaria
| | - Albena Jordanova
- Molecular Neurogenomics Group, Department of Molecular Genetics, VIB and University of Antwerp, Antwerpen 2610, Belgium.,Department of Medical Chemistry and Biochemistry, Molecular Medicine Center, Medical University-Sofia, Sofia 1431, Bulgaria
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17
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Garzón-Niño J, Rodríguez-Muñoz M, Cortés-Montero E, Sánchez-Blázquez P. Increased PKC activity and altered GSK3β/NMDAR function drive behavior cycling in HINT1-deficient mice: bipolarity or opposing forces. Sci Rep 2017; 7:43468. [PMID: 28240305 PMCID: PMC5327482 DOI: 10.1038/srep43468] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2016] [Accepted: 01/25/2017] [Indexed: 01/18/2023] Open
Abstract
Mice with histidine triad nucleotide-binding protein 1 (HINT1) deletion exhibit manic-like symptoms that evolve into depressive-like behavior in response to stressful paradigms. Molecular and electrophysiological studies have indicated that HINT1−/− mice exhibit increased PKC, PKA, and GSK3β activities, as well as glutamate N-methyl-D-aspartate receptor (NMDAR)/α-amino-3-hydroxy-5-methyl-4-isoxazolepropionic receptor (AMPAR) and NR2B/NR2A subunit ratios. Pharmacological interventions stabilized their behavior but through different mechanisms. GSK3β inhibitors and valproate directly attenuated the expression of the manic-like symptoms, whereas PKC inhibition, lamotrigine, or risperidone promoted NMDAR-mediated depressive-like behaviors that counterbalanced the preexisting manic-like symptoms. Naïve HINT1−/− mice exposed to stressful paradigms rapidly manifested depressive-like behaviors in subsequent stressful situations, a capacity that persisted for a couple of weeks thereafter. During the depressive-like phase, citalopram, amitriptyline and MK801 precipitated manic-like behaviors in stressed HINT1−/− mice. Notably, the antagonism of NMDARs prevented HINT1−/− mice from alternating behaviors in response to stress. A comparison with “manic” Black Swiss mice indicated that in HINT1−/− mice, PKC supports manic-like symptoms and reduces the expression of depressive-like behaviors via activation of GSK3β and regulation of NR2B-enriched NMDARs. HINT1−/− mice represent a suitable model for studying human BPD and may facilitate the identification of novel targets and drugs to treat this mental disorder.
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Affiliation(s)
- Javier Garzón-Niño
- Neuropharmacology, Department of Translational Neurosciences, Instituto Cajal, CSIC, Madrid E-28002, Spain
| | - María Rodríguez-Muñoz
- Neuropharmacology, Department of Translational Neurosciences, Instituto Cajal, CSIC, Madrid E-28002, Spain
| | - Elsa Cortés-Montero
- Neuropharmacology, Department of Translational Neurosciences, Instituto Cajal, CSIC, Madrid E-28002, Spain
| | - Pilar Sánchez-Blázquez
- Neuropharmacology, Department of Translational Neurosciences, Instituto Cajal, CSIC, Madrid E-28002, Spain
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18
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Shah R, Strom A, Zhou A, Maize KM, Finzel BC, Wagner CR. Design, Synthesis, and Characterization of Sulfamide and Sulfamate Nucleotidomimetic Inhibitors of hHint1. ACS Med Chem Lett 2016; 7:780-4. [PMID: 27563403 DOI: 10.1021/acsmedchemlett.6b00169] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2016] [Accepted: 06/10/2016] [Indexed: 01/07/2023] Open
Abstract
Hint1 has recently emerged to be an important target of interest due to its involvement in the regulation of a broad range of CNS functions including opioid signaling, tolerance, neuropathic pain, and nicotine dependence. A series of inhibitors were rationally designed, synthesized, and tested for their inhibitory activity against hHint1 using isothermal titration calorimetry (ITC). The studies resulted in the development of the first small-molecule inhibitors of hHint1 with submicromolar binding affinities. A combination of thermodynamic and high-resolution X-ray crystallographic studies provides an insight into the biomolecular recognition of ligands by hHint1. These novel inhibitors have potential utility as molecular probes to better understand the role and function of hHint1 in the CNS.
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Affiliation(s)
- Rachit Shah
- Departments
of Medicinal Chemistry and §Chemistry, University of Minnesota, Minneapolis, Minnesota 55455, United States
| | - Alexander Strom
- Departments
of Medicinal Chemistry and §Chemistry, University of Minnesota, Minneapolis, Minnesota 55455, United States
| | - Andrew Zhou
- Departments
of Medicinal Chemistry and §Chemistry, University of Minnesota, Minneapolis, Minnesota 55455, United States
| | - Kimberly M. Maize
- Departments
of Medicinal Chemistry and §Chemistry, University of Minnesota, Minneapolis, Minnesota 55455, United States
| | - Barry C. Finzel
- Departments
of Medicinal Chemistry and §Chemistry, University of Minnesota, Minneapolis, Minnesota 55455, United States
| | - Carston R. Wagner
- Departments
of Medicinal Chemistry and §Chemistry, University of Minnesota, Minneapolis, Minnesota 55455, United States
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19
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Xu D, Xu R, He L, Xu T, Zhang Z, Han D, Du J. Comparison of Pathogenic Mechanisms Underlying Single and Recurrent Venous Thromboembolism Based on Gene Expression Profiling. Ann Vasc Surg 2016; 36:252-259. [PMID: 27423718 DOI: 10.1016/j.avsg.2016.05.088] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2015] [Revised: 05/16/2016] [Accepted: 05/23/2016] [Indexed: 11/19/2022]
Abstract
BACKGROUND Unprovoked venous thromboembolism (VTE), generally divided into single and recurrent categories, is a common leading cause of morbidity and mortality in a real-world population. This study was aimed to explore the similarities and differences in the mechanisms of single and recurrent VTE. METHODS Gene expression data (GSE19151) generated from 63 healthy controls, 32 single, and 38 recurrent VTE patients were analyzed. Differentially expressed genes (DEGs) were screened by Affy package and Kyoto Encyclopedia of Genes and Genomes and Gene Ontology enrichment analysis were performed using database for annotation, visualization, and integrated discovery. Based on the Search Tool for the Retrieval of Interacting Genes/Proteins database, protein-protein interaction network was visualized by Cytoscape, and modules were identified by CFinder. Finally, transcription factor regulatory networks were constructed. RESULTS Totally, 559 and 294 DEGs were obtained from recurrent and single VTE, respectively. There were 202 upregulated and 58 downregulated genes overlapped between them. Terms of regulation of actin cytoskeleton enriched by downregulated genes and oxidative phosphorylation enriched by upregulated genes were found in 2 types of VTE. Leukocyte transendothelial migration and Jak-STAT signaling pathway were found related with recurrent VTE. In addition, genes including signal transducer and activator of transcription 3 (STAT3) involving in the Jak-STAT signaling pathway were highly connected nodes. CONCLUSIONS Actin cytoskeleton and oxidative phosphorylation may be involved in the common mechanisms of recurrent VTE and single VTE. Leukocyte migration and Jak-STAT signaling pathway and their related genes may be important for the development and recurrence of VTE.
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Affiliation(s)
- Dejun Xu
- Department of Vascular and Lymphatic Surgery, Vascular and Lymphatic Surgery, China Japan Union Hospital of Jilin University, Changchun, Jilin, PR China
| | - Rutao Xu
- Department of Vascular Surgery, Henan Provincial People's Hospital, Zhengzhou, Henan, PR China
| | - Liu He
- Department of Anesthesiology, China Japan Union Hospital of Jilin University, Changchun, Jilin, PR China
| | - Tao Xu
- Department of Gastroenterology, The Fourth Clinical Hospital of Jilin University, Changchun, Jilin, PR China
| | - Zhenyu Zhang
- The Second Department of General Surgery, Armed Police Corps Hospital in Jilin Province, Changchun, Jilin, PR China
| | - Dongmei Han
- Department of Vascular and Lymphatic Surgery, Vascular and Lymphatic Surgery, China Japan Union Hospital of Jilin University, Changchun, Jilin, PR China
| | - Jianshi Du
- Department of Vascular and Lymphatic Surgery, Vascular and Lymphatic Surgery, China Japan Union Hospital of Jilin University, Changchun, Jilin, PR China.
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20
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Rodríguez-Muñoz M, Cortés-Montero E, Pozo-Rodrigálvarez A, Sánchez-Blázquez P, Garzón-Niño J. The ON:OFF switch, σ1R-HINT1 protein, controls GPCR-NMDA receptor cross-regulation: implications in neurological disorders. Oncotarget 2015; 6:35458-77. [PMID: 26461475 PMCID: PMC4742118 DOI: 10.18632/oncotarget.6064] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2015] [Accepted: 09/23/2015] [Indexed: 12/11/2022] Open
Abstract
In the brain, the histidine triad nucleotide-binding protein 1 (HINT1) and sigma 1 receptors (σ1Rs) coordinate the activity of certain G-protein coupled receptors (GPCRs) with that of glutamate N-methyl-D-aspartate receptors (NMDARs). To determine the role of HINT1-σ1R in the plasticity of GPCR-NMDAR interactions, substances acting at MOR, cannabinoid CB1 receptor, NMDAR and σ1R were injected into mice, and their effects were evaluated through in vivo, ex vivo, and in vitro assays. It was observed that HINT1 protein binds to GPCRs and NMDAR NR1 subunits in a calcium-independent manner, whereas σ1R binding to these proteins increases in the presence of calcium. In this scenario, σ1R agonists keep HINT1 at the GPCR and stimulate GPCR-NMDAR interaction, whereas σ1R antagonists transfer HINT1 to NR1 subunits and disengage both receptors. This regulation is lost in σ1R-/- mice, where HINT1 proteins mostly associate with NMDARs, and GPCRs are physically and functionally disconnected from NMDARs. In HINT1-/- mice, ischemia produces low NMDAR-mediated brain damage, suggesting that several different GPCRs enhance glutamate excitotoxicity via HINT1-σ1R. Thus, several GPCRs associate with NMDARs by a dynamic process under the physiological control of HINT1 proteins and σ1Rs. The NMDAR-HINT1-σ1R complex deserves attention because it offers new therapeutic opportunities.
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Affiliation(s)
- María Rodríguez-Muñoz
- Department of Molecular, Cellular and Developmental Neurobiology, Laboratory of Neuropharmacology. Instituto Cajal, Consejo Superior de Investigaciones Científicas (CSIC). Madrid, Spain
| | - Elsa Cortés-Montero
- Department of Molecular, Cellular and Developmental Neurobiology, Laboratory of Neuropharmacology. Instituto Cajal, Consejo Superior de Investigaciones Científicas (CSIC). Madrid, Spain
| | - Andrea Pozo-Rodrigálvarez
- Department of Molecular, Cellular and Developmental Neurobiology, Laboratory of Neuropharmacology. Instituto Cajal, Consejo Superior de Investigaciones Científicas (CSIC). Madrid, Spain
| | - Pilar Sánchez-Blázquez
- Department of Molecular, Cellular and Developmental Neurobiology, Laboratory of Neuropharmacology. Instituto Cajal, Consejo Superior de Investigaciones Científicas (CSIC). Madrid, Spain
| | - Javier Garzón-Niño
- Department of Molecular, Cellular and Developmental Neurobiology, Laboratory of Neuropharmacology. Instituto Cajal, Consejo Superior de Investigaciones Científicas (CSIC). Madrid, Spain
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21
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Zhang F, Fang Z, Wang JB. Hint1 knockout results in a compromised activation of protein kinase C gamma in the brain. Brain Res 2015; 1622:196-203. [DOI: 10.1016/j.brainres.2015.06.029] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2015] [Revised: 06/16/2015] [Accepted: 06/23/2015] [Indexed: 01/01/2023]
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22
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Dang YH, Liu P, Ma R, Chu Z, Liu YP, Wang JB, Ma XC, Gao CG. HINT1 is involved in the behavioral abnormalities induced by social isolation rearing. Neurosci Lett 2015; 607:40-45. [PMID: 26300541 DOI: 10.1016/j.neulet.2015.08.026] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2015] [Revised: 07/01/2015] [Accepted: 08/14/2015] [Indexed: 01/20/2023]
Abstract
Social isolation (SI) rearing has been demonstrated to induce behavioral abnormalities like anxiety, impulsivity, aggression, and learning and memory deficits which are relevant to core symptoms in patients with some certain neuropsychiatric disorders. But the underlying pathophysiological mechanisms remain unclear. Recent studies have revealed HINT1 has close relation with diverse neuropsychiatric diseases. In this present study, the SI rearing mice exhibited depression-like and aggressive behavior. Besides, HINT1 protein levels decreased in PFC but increased in HIP. Based on the data obtained, we concluded that HINT1 is involved in the behavioral abnormalities induced by social isolation and exerts distinct roles in different encephalic regions.
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Affiliation(s)
- Yong-Hui Dang
- College of Medicine & Forensics, Xi'an Jiaotong University Health Science Center, Xi'an 710061, China; Key Laboratory of the Health Ministry for Forensic Medicine, Xi'an Jiaotong University Health Science Center, Xi'an 710061, China; Key Laboratory of Environment and Genes Related to Diseases of the Education Ministry, Xi'an Jiaotong University Health Science Center, Xi'an 710061, China
| | - Peng Liu
- College of Medicine & Forensics, Xi'an Jiaotong University Health Science Center, Xi'an 710061, China
| | - Rui Ma
- Department of Psychiatry, First Affiliated Hospital of Xi'an Jiaotong University Health Science Center, Xi'an 710061, China
| | - Zheng Chu
- College of Medicine & Forensics, Xi'an Jiaotong University Health Science Center, Xi'an 710061, China
| | - You-Ping Liu
- Zong Lian College, Xi'an Jiaotong University, Xi'an 710061, China
| | - Jia-Bei Wang
- Department of Pharmaceutical Sciences, School of Pharmacy, University of Maryland Baltiore, Baltimore, MD 21201, USA
| | - Xian-Cang Ma
- Department of Psychiatry, First Affiliated Hospital of Xi'an Jiaotong University Health Science Center, Xi'an 710061, China.
| | - Cheng-Ge Gao
- Department of Psychiatry, First Affiliated Hospital of Xi'an Jiaotong University Health Science Center, Xi'an 710061, China.
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23
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Garzón J, Herrero-Labrador R, Rodríguez-Muñoz M, Shah R, Vicente-Sánchez A, Wagner CR, Sánchez-Blázquez P. HINT1 protein: A new therapeutic target to enhance opioid antinociception and block mechanical allodynia. Neuropharmacology 2015; 89:412-23. [DOI: 10.1016/j.neuropharm.2014.10.022] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2014] [Revised: 10/21/2014] [Accepted: 10/27/2014] [Indexed: 12/17/2022]
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24
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Ge L, Zhu MM, Yang JY, Wang F, Zhang R, Zhang JH, Shen J, Tian HF, Wu CF. Differential proteomic analysis of the anti-depressive effects of oleamide in a rat chronic mild stress model of depression. Pharmacol Biochem Behav 2015; 131:77-86. [PMID: 25641667 DOI: 10.1016/j.pbb.2015.01.017] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/21/2014] [Revised: 01/20/2015] [Accepted: 01/23/2015] [Indexed: 01/12/2023]
Abstract
Depression is a complex psychiatric disorder, and its etiology and pathophysiology are not completely understood. Depression involves changes in many biogenic amine, neuropeptide, and oxidative systems, as well as alterations in neuroendocrine function and immune-inflammatory pathways. Oleamide is a fatty amide which exhibits pharmacological effects leading to hypnosis, sedation, and anti-anxiety effects. In the present study, the chronic mild stress (CMS) model was used to investigate the antidepressant-like activity of oleamide. Rats were exposed to 10weeks of CMS or control conditions and were then subsequently treated with 2weeks of daily oleamide (5mg/kg, i.p.), fluoxetine (10mg/kg, i.p.), or vehicle. Protein extracts from the hippocampus were then collected, and hippocampal maps were generated by way of two-dimensional gel electrophoresis (2-DE). Altered proteins induced by CMS and oleamide were identified through mass spectrometry and database searches. Compared to the control group, the CMS rats exhibited significantly less body weight gain and decreased sucrose consumption. Treatment with oleamide caused a reversal of the CMS-induced deficit in sucrose consumption. In the proteomic analysis, 12 protein spots were selected and identified. CMS increased the levels of adenylate kinase isoenzyme 1 (AK1), nucleoside diphosphate kinase B (NDKB), histidine triad nucleotide-binding protein 1 (HINT1), acyl-protein thioesterase 2 (APT-2), and glutathione S-transferase A4 (GSTA4). Compared to the CMS samples, seven spots changed significantly following treatment with oleamide, including GSTA4, glutathione S-transferase A6 (GSTA6), GTP-binding nuclear protein Ran (Ran-GTP), ATP synthase subunit d, transgelin-3, small ubiquitin-related modifier 2 (SUMO2), and eukaryotic translation initiation factor 5A-1 (eIF5A1). Of these seven proteins, the level of eIF5A1 was up-regulated, whereas the remaining proteins were down-regulated. In conclusion, oleamide has antidepressant-like properties in the CMS rat model. The identification of proteins altered by CMS and oleamide treatment provides support for targeting these proteins in the development of novel therapies for depression.
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Affiliation(s)
- Lin Ge
- Department of Pharmacology, Shenyang Pharmaceutical University, Shenyang 110016, PR China
| | - Ming-Ming Zhu
- Department of Pharmacology, Shenyang Pharmaceutical University, Shenyang 110016, PR China
| | - Jing-Yu Yang
- Department of Pharmacology, Shenyang Pharmaceutical University, Shenyang 110016, PR China
| | - Fang Wang
- Department of Pharmacology, Shenyang Pharmaceutical University, Shenyang 110016, PR China
| | - Rong Zhang
- School of Life Science and Bio-pharmaceutics, Shenyang Pharmaceutical University, Shenyang 110016, PR China
| | - Jing-Hai Zhang
- School of Life Science and Bio-pharmaceutics, Shenyang Pharmaceutical University, Shenyang 110016, PR China
| | - Jing Shen
- Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education), Central Laboratory, Beijing Cancer Hospital & Institute, Beijing 100142, PR China
| | - Hui-Fang Tian
- Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education), Central Laboratory, Beijing Cancer Hospital & Institute, Beijing 100142, PR China
| | - Chun-Fu Wu
- Department of Pharmacology, Shenyang Pharmaceutical University, Shenyang 110016, PR China.
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25
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Jackson K, Wang J, Barbier E, Damaj M, Chen X. The histidine triad nucleotide binding 1 protein is involved in nicotine reward and physical nicotine withdrawal in mice. Neurosci Lett 2013; 550:129-33. [DOI: 10.1016/j.neulet.2013.06.027] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2013] [Revised: 05/16/2013] [Accepted: 06/13/2013] [Indexed: 12/16/2022]
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26
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Dolot R, Włodarczyk A, Bujacz GD, Nawrot B. Expression, purification, crystallization and preliminary X-ray crystallographic analysis of human histidine triad nucleotide-binding protein 2 (hHINT2). Acta Crystallogr Sect F Struct Biol Cryst Commun 2013; 69:783-7. [PMID: 23832208 PMCID: PMC3702325 DOI: 10.1107/s1744309113015200] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2013] [Accepted: 06/01/2013] [Indexed: 11/10/2022]
Abstract
Histidine triad nucleotide-binding protein 2 (HINT2) is a mitochondrial adenosine phosphoramidase mainly expressed in the pancreas, liver and adrenal gland. HINT2 possibly plays a role in apoptosis, as well as being involved in steroid biosynthesis, hepatic lipid metabolism and regulation of hepatic mitochondria function. The expression level of HINT2 is significantly down-regulated in hepatocellular carcinoma patients. To date, endogenous substrates for this enzyme, as well as the three-dimensional structure of human HINT2, are unknown. In this study, human HINT2 was cloned, overexpressed in Escherichia coli and purified. Crystallization was performed at 278 K using PEG 4000 as the main precipitant; the crystals, which belonged to the tetragonal space group P41212 with unit-cell parameters a = b = 76.38, c = 133.25 Å, diffracted to 2.83 Å resolution. Assuming two molecules in the asymmetric unit, the Matthews coefficient and the solvent content were calculated to be 2.63 Å(3) Da(-1) and 53.27%, respectively.
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Affiliation(s)
- Rafał Dolot
- Department of Bioorganic Chemistry, Centre of Molecular and Macromolecular Studies, Sienkiewicza 112, 90-363 Łódź, Poland.
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27
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Zhou X, Chou TF, Aubol BE, Park CJ, Wolfenden R, Adams J, Wagner CR. Kinetic mechanism of human histidine triad nucleotide binding protein 1. Biochemistry 2013; 52:3588-600. [PMID: 23614568 DOI: 10.1021/bi301616c] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
Human histidine triad nucleotide binding protein 1 (hHint1) is a member of a ubiquitous and ancient branch of the histidine triad protein superfamily. hHint1 is a homodimeric protein that catalyzes the hydrolysis of model substrates, phosphoramidate and acyl adenylate, with a high efficiency. Recently, catalytically inactive hHint1 has been identified as the cause of inherited peripheral neuropathy [Zimon, M., et al. (2012) Nat. Genet. 44, 1080-1083]. We have conducted the first detailed kinetic mechanistic studies of hHint1 and have found that the reaction mechanism is consistent with a double-displacement mechanism, in which the active site nucleophile His112 is first adenylylated by the substrate, followed by hydrolysis of the AMP-enzyme intermediate. A transient burst phase followed by a linear phase from the stopped-flow fluorescence assay indicated that enzyme adenylylation was faster than the subsequent intermediate hydrolysis and product release. Solvent viscosity experiments suggested that both chemical transformation and diffusion-sensitive events (product release or protein conformational change) limit the overall turnover. The catalytic trapping experiments and data simulation indicated that the true koff rate of the final product AMP is unlikely to control the overall kcat. Therefore, a protein conformational change associated with product release is likely rate-limiting. In addition, the rate of Hint1 adenylylation was found to be dependent on two residues with pKa values of 6.5 and 8, with the former pKa agreeing well with the nuclear magnetic resonance titration results for the pKa of the active site nucleophile His112. In comparison to the uncatalyzed rates, hHint1 was shown to enhance acyl-AMP and AMP phosphoramidate hydrolysis by 10(6)-10(8)-fold. Taken together, our analysis indicates that hHint1 catalyzes the hydrolysis of phosphoramidate and acyl adenylate with high efficiency, through a mechanism that relies on rapid adenylylation of the active residue, His112, while being partially rate-limited by intermediate hydrolysis and product release associated with a conformational change. Given the high degree of sequence homology of Hint proteins across all kingdoms of life, it is likely that their kinetic and catalytic mechanisms will be similar to those elucidated for hHint1.
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Affiliation(s)
- Xin Zhou
- Department of Medicinal Chemistry and ‡Minnesota NMR Facility, University of Minnesota, Minneapolis, Minnesota 55455, United States
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28
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Linde CI, Feng B, Wang JB, Golovina VA. Histidine triad nucleotide-binding protein 1 (HINT1) regulates Ca(2+) signaling in mouse fibroblasts and neuronal cells via store-operated Ca(2+) entry pathway. Am J Physiol Cell Physiol 2013; 304:C1098-104. [PMID: 23576580 DOI: 10.1152/ajpcell.00073.2013] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Abstract
Recent findings indicate that histidine triad nucleotide-binding protein 1 (HINT1) is implicated in the pathophysiology of certain psychiatric disorders and also exhibits tumor suppressor properties. However, the authentic functions of HINT1 in cellular physiology and especially its role in Ca(2+) signaling remain unclear. Here, we studied Ca(2+) signaling in cultured embryonic fibroblasts derived from wild-type control and HINT1 knockout (KO) mice. The resting cytosolic Ca(2+) level (measured with fura-2) was not altered in fibroblasts lacking HINT1. The stored Ca(2+) evaluated by measuring peak amplitude of ATP (10 μM)-induced Ca(2+) transients in Ca(2+)-free medium was significantly larger in HINT1 KO fibroblasts than in wild-type cells. Ca(2+) influx after external Ca(2+) restoration, likely via store- and receptor-operated channels (SOCs and ROCs, respectively), was greatly (by 2-fold) reduced in HINT1 KO fibroblasts. This correlated with a downregulated expression of Orai1 and stromal interacting molecule 1 (STIM1), essential components of store-operated Ca(2+) entry pathway. Expression of canonical transient receptor potential (TRPC)3 and TRPC6, which function as ROCs, was not altered in HINT1 KO fibroblasts. Immunoblots also revealed that Orai1 was downregulated by twofold in brain lysates of HINT1 KO mice compared with the wild-type littermates. Importantly, silencer RNA knockdown of HINT1 in Neuro-2A cells markedly downregulated Orai1 and STIM1 protein expression and significantly (by 2.5-fold) reduced ATP-induced Ca(2+) influx, while ATP-evoked Ca(2+) release was not changed. Thus the study demonstrates a novel function of HINT1 that involves the regulation of SOC-mediated Ca(2+) entry pathway (Orai1 and STIM1), essential for regulation of cellular Ca(2+) homeostasis.
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Affiliation(s)
- Cristina I Linde
- Department of Physiology, University of Maryland School of Medicine, Baltimore, MD 21201, USA
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29
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Romanova EV, Lee JE, Kelleher NL, Sweedler JV, Gulley JM. Comparative peptidomics analysis of neural adaptations in rats repeatedly exposed to amphetamine. J Neurochem 2012; 123:276-87. [PMID: 22860605 PMCID: PMC3463764 DOI: 10.1111/j.1471-4159.2012.07912.x] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2012] [Revised: 08/02/2012] [Accepted: 08/03/2012] [Indexed: 01/29/2023]
Abstract
Repeated exposure to amphetamine (AMPH) induces long-lasting behavioral changes, referred to as sensitization, that are accompanied by various neuroadaptations in the brain. To investigate the chemical changes that occur during behavioral sensitization, we applied a comparative proteomics approach to screen for neuropeptide changes in a rodent model of AMPH-induced sensitization. By measuring peptide profiles with matrix-assisted laser desorption/ionization time-of-flight mass spectrometry and comparing signal intensities using principal component analysis and variance statistics, subsets of peptides are found with significant differences in the dorsal striatum, nucleus accumbens, and medial prefrontal cortex of AMPH-sensitized male Sprague-Dawley rats. These biomarker peptides, identified in follow-up analyses using liquid chromatography and tandem mass spectrometry, suggest that behavioral sensitization to AMPH is associated with complex chemical adaptations that regulate energy/metabolism, neurotransmission, apoptosis, neuroprotection, and neuritogenesis, as well as cytoskeleton integrity and neuronal morphology. Our data contribute to a growing number of reports showing that in addition to the mesolimbic dopamine system, which is the best known signaling pathway involved with reinforcing the effect of psychostimulants, concomitant chemical changes in other pathways and in neuronal organization may play a part in the overall effect of chronic AMPH exposure on behavior.
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Affiliation(s)
- Elena V. Romanova
- Department of Chemistry and the Beckman Institute, University of Illinois at Urbana-Champaign, 600 S. Mathews Ave., Urbana, IL 61801, USA
| | - Ji Eun Lee
- Department of Chemistry and the Beckman Institute, University of Illinois at Urbana-Champaign, 600 S. Mathews Ave., Urbana, IL 61801, USA
| | - Neil L. Kelleher
- Department of Chemistry, Department of Molecular Biosciences, and The Chemistry of Life Processes Institute, Northwestern University, 2145 Sheridan Rd., Evanston, IL USA
| | - Jonathan V. Sweedler
- Department of Chemistry and the Beckman Institute, University of Illinois at Urbana-Champaign, 600 S. Mathews Ave., Urbana, IL 61801, USA
- Neuroscience Program, University of Illinois at Urbana-Champaign, 505 South Goodwin Avenue, Urbana, IL 61801, USA
| | - Joshua M. Gulley
- Neuroscience Program, University of Illinois at Urbana-Champaign, 505 South Goodwin Avenue, Urbana, IL 61801, USA
- Department of Psychology, University of Illinois at Urbana-Champaign, 603 E. Daniel St., Champaign, IL 61820, USA
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30
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Ayalew M, Le-Niculescu H, Levey DF, Jain N, Changala B, Patel SD, Winiger E, Breier A, Shekhar A, Amdur R, Koller D, Nurnberger JI, Corvin A, Geyer M, Tsuang MT, Salomon D, Schork NJ, Fanous AH, O'Donovan MC, Niculescu AB. Convergent functional genomics of schizophrenia: from comprehensive understanding to genetic risk prediction. Mol Psychiatry 2012; 17:887-905. [PMID: 22584867 PMCID: PMC3427857 DOI: 10.1038/mp.2012.37] [Citation(s) in RCA: 322] [Impact Index Per Article: 26.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/28/2011] [Revised: 02/28/2012] [Accepted: 03/05/2012] [Indexed: 02/07/2023]
Abstract
We have used a translational convergent functional genomics (CFG) approach to identify and prioritize genes involved in schizophrenia, by gene-level integration of genome-wide association study data with other genetic and gene expression studies in humans and animal models. Using this polyevidence scoring and pathway analyses, we identify top genes (DISC1, TCF4, MBP, MOBP, NCAM1, NRCAM, NDUFV2, RAB18, as well as ADCYAP1, BDNF, CNR1, COMT, DRD2, DTNBP1, GAD1, GRIA1, GRIN2B, HTR2A, NRG1, RELN, SNAP-25, TNIK), brain development, myelination, cell adhesion, glutamate receptor signaling, G-protein-coupled receptor signaling and cAMP-mediated signaling as key to pathophysiology and as targets for therapeutic intervention. Overall, the data are consistent with a model of disrupted connectivity in schizophrenia, resulting from the effects of neurodevelopmental environmental stress on a background of genetic vulnerability. In addition, we show how the top candidate genes identified by CFG can be used to generate a genetic risk prediction score (GRPS) to aid schizophrenia diagnostics, with predictive ability in independent cohorts. The GRPS also differentiates classic age of onset schizophrenia from early onset and late-onset disease. We also show, in three independent cohorts, two European American and one African American, increasing overlap, reproducibility and consistency of findings from single-nucleotide polymorphisms to genes, then genes prioritized by CFG, and ultimately at the level of biological pathways and mechanisms. Finally, we compared our top candidate genes for schizophrenia from this analysis with top candidate genes for bipolar disorder and anxiety disorders from previous CFG analyses conducted by us, as well as findings from the fields of autism and Alzheimer. Overall, our work maps the genomic and biological landscape for schizophrenia, providing leads towards a better understanding of illness, diagnostics and therapeutics. It also reveals the significant genetic overlap with other major psychiatric disorder domains, suggesting the need for improved nosology.
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Affiliation(s)
- M Ayalew
- Department of Psychiatry, Indiana University School of Medicine, Indianapolis, IN, USA
- Indianapolis VA Medical Center, Indianapolis, IN, USA
| | - H Le-Niculescu
- Department of Psychiatry, Indiana University School of Medicine, Indianapolis, IN, USA
| | - D F Levey
- Department of Psychiatry, Indiana University School of Medicine, Indianapolis, IN, USA
| | - N Jain
- Department of Psychiatry, Indiana University School of Medicine, Indianapolis, IN, USA
| | - B Changala
- Department of Psychiatry, Indiana University School of Medicine, Indianapolis, IN, USA
| | - S D Patel
- Department of Psychiatry, Indiana University School of Medicine, Indianapolis, IN, USA
| | - E Winiger
- Department of Psychiatry, Indiana University School of Medicine, Indianapolis, IN, USA
| | - A Breier
- Department of Psychiatry, Indiana University School of Medicine, Indianapolis, IN, USA
| | - A Shekhar
- Department of Psychiatry, Indiana University School of Medicine, Indianapolis, IN, USA
| | - R Amdur
- Washington DC VA Medical Center, Washington, DC, USA
| | - D Koller
- Department of Medical and Molecular Genetics, Indiana University School of Medicine, Indianapolis, IN, USA
| | - J I Nurnberger
- Department of Psychiatry, Indiana University School of Medicine, Indianapolis, IN, USA
| | - A Corvin
- Department of Psychiatry, Trinity College, Dublin, Ireland
| | - M Geyer
- Department of Psychiatry, University of California San Diego, La Jolla, CA, USA
| | - M T Tsuang
- Department of Psychiatry, University of California San Diego, La Jolla, CA, USA
| | - D Salomon
- Department of Molecular and Experimental Medicine, The Scripps Research Institute, La Jolla, CA, USA
| | - N J Schork
- Department of Molecular and Experimental Medicine, The Scripps Research Institute, La Jolla, CA, USA
| | - A H Fanous
- Washington DC VA Medical Center, Washington, DC, USA
| | - M C O'Donovan
- Department of Psychological Medicine, School of Medicine, Cardiff University, Cardiff, UK
| | - A B Niculescu
- Department of Psychiatry, Indiana University School of Medicine, Indianapolis, IN, USA
- Indianapolis VA Medical Center, Indianapolis, IN, USA
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31
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Jackson KJ, Wang JB, Barbier E, Chen X, Damaj MI. Acute behavioral effects of nicotine in male and female HINT1 knockout mice. GENES BRAIN AND BEHAVIOR 2012; 11:993-1000. [PMID: 22827509 DOI: 10.1111/j.1601-183x.2012.00827.x] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/17/2012] [Revised: 06/14/2012] [Accepted: 07/17/2012] [Indexed: 11/28/2022]
Abstract
Human genetic association and brain expression studies, and mouse behavioral and molecular studies implicate a role for the histidine triad nucleotide-binding protein 1 (HINT1) in schizophrenia, bipolar disorder, depression and anxiety. The high comorbidity between smoking and psychiatric disorders, schizophrenia in particular, is well established. Associations with schizophrenia and HINT1 are also sex specific, with effects more predominant in males; however, it is unknown if sex differences associated with the gene extend to other phenotypes. Thus, in this study, using a battery of behavioral tests, we elucidated the role of HINT1 in acute nicotine-mediated behaviors using male and female HINT1 wild-type (+/+) and knockout (-/-) mice. The results show that male HINT1 -/- mice were less sensitive to acute nicotine-induced antinociception in the tail-flick, but not hot-plate test. At low nicotine doses, male and female HINT1 -/- mice were less sensitive to nicotine-induced hypomotility, although the effect was more pronounced in females. Baseline differences in locomotor activity observed in male HINT1 +/+ and -/- mice were absent in females. Nicotine did not produce an anxiolytic effect in male HINT1 -/- mice, but rather an anxiogenic response. Diazepam also failed to induce an anxiolytic response in these mice, suggesting a general anxiety phenotype not specific to nicotine. Differences in anxiety-like behavior were not observed in female mice. These results further support a role for HINT1 in nicotine-mediated behaviors and suggest that alterations in the gene may have differential effects on phenotype in males and females.
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Affiliation(s)
- K J Jackson
- Virginia Institute for Psychiatric and Behavioral Genetics, Department of Psychiatry, Virginia Commonwealth University, Richmond, VA, USA
| | - J B Wang
- Department of Pharmaceutical Sciences, School of Pharmacy, University of Maryland, Baltimore, MD, USA
| | - E Barbier
- Department of Pharmaceutical Sciences, School of Pharmacy, University of Maryland, Baltimore, MD, USA
| | - X Chen
- Virginia Institute for Psychiatric and Behavioral Genetics, Department of Psychiatry, Virginia Commonwealth University, Richmond, VA, USA
| | - M I Damaj
- Department of Pharmacology/Toxicology, School of Medicine, Virginia Commonwealth University, Richmond, VA, USA
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32
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Dolot R, Ozga M, Włodarczyk A, Krakowiak A, Nawrot B. A new crystal form of human histidine triad nucleotide-binding protein 1 (hHINT1) in complex with adenosine 5'-monophosphate at 1.38 Å resolution. Acta Crystallogr Sect F Struct Biol Cryst Commun 2012; 68:883-8. [PMID: 22869114 PMCID: PMC3412765 DOI: 10.1107/s1744309112029491] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2012] [Accepted: 06/28/2012] [Indexed: 11/10/2022]
Abstract
Histidine triad nucleotide-binding protein 1 (HINT1) represents the most ancient and widespread branch of the histidine triad protein superfamily. HINT1 plays an important role in various biological processes and has been found in many species. Here, the structure of the human HINT1-adenosine 5'-monophosphate (AMP) complex at 1.38 Å resolution obtained from a new monoclinic crystal form is reported. The final structure has R(cryst) = 0.1207 (R(free) = 0.1615) and the model exhibits good stereochemical quality. Detailed analysis of the high-resolution data allowed the details of the protein structure to be updated in comparison to the previously published data.
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Affiliation(s)
- Rafał Dolot
- Department of Bioorganic Chemistry, Centre of Molecular and Macromolecular Studies, Sienkiewicza 112, 90-363 Łódź, Poland.
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33
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Varadarajulu J, Schmitt A, Falkai P, Alsaif M, Turck CW, Martins-de-Souza D. Differential expression of HINT1 in schizophrenia brain tissue. Eur Arch Psychiatry Clin Neurosci 2012; 262:167-72. [PMID: 21553311 DOI: 10.1007/s00406-011-0216-4] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/02/2011] [Accepted: 04/25/2011] [Indexed: 01/06/2023]
Abstract
Recent findings in the literature suggest a relation between histidine triad nucleotide-binding protein-1 (HINT1) and psychiatric disorders such as major depression, anxiety, and schizophrenia, although its physiological roles are not completely comprehended. Using Western blot, we compared HINT1 protein expression in the postmortem dorsolateral prefrontal cortex and thalamus of schizophrenia patients and healthy controls for contributing to elucidate the role of HINT1 in schizophrenia pathophysiology. HINT1 was found to be downregulated in the dorsolateral prefrontal cortex and upregulated in the thalamus. Our results combined to previous studies in human samples and preclinical models support the notion that HINT1 must be more explored as a potential target for psychiatric disorders.
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Affiliation(s)
- Jeeva Varadarajulu
- Max Planck Institute of Psychiatry, Kraepelinstr. 2, 80804, Munich, Germany
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34
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Martins-de-Souza D, Guest PC, Harris LW, Vanattou-Saifoudine N, Webster MJ, Rahmoune H, Bahn S. Identification of proteomic signatures associated with depression and psychotic depression in post-mortem brains from major depression patients. Transl Psychiatry 2012; 2:e87. [PMID: 22832852 PMCID: PMC3309534 DOI: 10.1038/tp.2012.13] [Citation(s) in RCA: 146] [Impact Index Per Article: 12.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
Major depressive disorder (MDD) is a leading cause of disability worldwide and results tragically in the loss of almost one million lives in Western societies every year. This is due to poor understanding of the disease pathophysiology and lack of empirical medical tests for accurate diagnosis or for guiding antidepressant treatment strategies. Here, we have used shotgun proteomics in the analysis of post-mortem dorsolateral prefrontal cortex brain tissue from 24 MDD patients and 12 matched controls. Brain proteomes were pre-fractionated by gel electrophoresis and further analyzed by shotgun data-independent label-free liquid chromatography-mass spectrometry. This led to identification of distinct proteome fingerprints between MDD and control subjects. Some of these differences were validated by Western blot or selected reaction monitoring mass spectrometry. This included proteins associated with energy metabolism and synaptic function and we also found changes in the histidine triad nucleotide-binding protein 1 (HINT1), which has been implicated recently in regulation of mood and behavior. We also found differential proteome profiles in MDD with (n=11) and without (n=12) psychosis. Interestingly, the psychosis fingerprint showed a marked overlap to changes seen in the brain proteome of schizophrenia patients. These findings suggest that it may be possible to contribute to the disease understanding by distinguishing different subtypes of MDD based on distinct brain proteomic profiles.
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Affiliation(s)
- D Martins-de-Souza
- Department of Chemical Engineering and Biotechnology, University of Cambridge, Cambridge, UK.
| | - P C Guest
- Department of Chemical Engineering and Biotechnology, University of Cambridge, Cambridge, UK
| | - L W Harris
- Department of Chemical Engineering and Biotechnology, University of Cambridge, Cambridge, UK
| | - N Vanattou-Saifoudine
- Department of Chemical Engineering and Biotechnology, University of Cambridge, Cambridge, UK
| | - M J Webster
- Stanley Brain Research Laboratory, Stanley Medical Research Institute, Rockville, MD, USA
| | - H Rahmoune
- Department of Chemical Engineering and Biotechnology, University of Cambridge, Cambridge, UK
| | - S Bahn
- Department of Chemical Engineering and Biotechnology, University of Cambridge, Cambridge, UK,Department of Neuroscience, Erasmus Medical Centre, Rotterdam, The Netherlands,Department of Chemical Engineering and Biotechnology, University of Cambridge, Tennis Court Road, Cambridge, Cambridgeshire CB2 1QT, UK. E-mails: or
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35
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Schijndel JEV, Martens GJM. Gene expression profiling in rodent models for schizophrenia. Curr Neuropharmacol 2011; 8:382-93. [PMID: 21629445 PMCID: PMC3080594 DOI: 10.2174/157015910793358132] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2009] [Revised: 04/15/2010] [Accepted: 04/30/2010] [Indexed: 12/12/2022] Open
Abstract
The complex neurodevelopmental disorder schizophrenia is thought to be induced by an interaction between predisposing genes and environmental stressors. In order to get a better insight into the aetiology of this complex disorder, animal models have been developed. In this review, we summarize mRNA expression profiling studies on neurodevelopmental, pharmacological and genetic animal models for schizophrenia. We discuss parallels and contradictions among these studies, and propose strategies for future research.
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Affiliation(s)
- Jessica E Van Schijndel
- Department of Molecular Animal Physiology, Donders Institute for Brain, Cognition and Behaviour, Centre for Neuroscience & Nijmegen Centre for Molecular Life Sciences (NCMLS), Faculty of Science, Radboud University Nijmegen, 6525 GA, Nijmegen, The Netherlands
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36
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Abstract
The possible role of the CB(2) receptor (CB(2)r) in psychiatric disorders has been considered. Several animal models use knockout (KO) mice that display schizophrenia-like behaviors and this study evaluated the role of CB(2)r in the regulation of such behaviors. Mice lacking the CB(2)r (CB(2)KO) were challenged in open field, light-dark box, elevated plus-maze, tail suspension, step down inhibitory avoidance, and pre-pulse inhibition tests (PPI). Furthermore, the effects of treatment with cocaine and risperidone were evaluated using the OF and the PPI test. Gene expression of dopamine D(2) (D(2)r), adrenergic-α(2C) (α(2C)r), serotonergic 5-HT(2A) and 5-HT(2C) receptors (5-HT(2A)r and 5-HT(2C)r) were studied by RT-PCR in brain regions related to schizophrenia. Deletion of CB(2)r decreased motor activity in the OF test, but enhanced response to acute cocaine and produced mood-related alterations, PPI deficit, and cognitive impairment. Chronic treatment with risperidone tended to impair PPI in WT mice, whereas it 'normalized' the PPI deficit in CB(2)KO mice. CB(2)KO mice presented increased D(2)r and α(2C)r gene expressions in the prefrontal cortex (PFC) and locus coeruleus (LC), decreased 5-HT(2C)r gene expression in the dorsal raphe (DR), and 5-HT(2A)r gene expression in the PFC. Chronic risperidone treatment in WT mice left α(2C)r gene expression unchanged, decreased D(2)r gene expression (15 μg/kg), and decreased 5-HT(2C)r and 5-HT(2A)r in PFC and DR. In CB(2)KO, the gene expression of D(2)r in the PFC, of α(2C)r in the LC, and of 5-HT(2C)r and 5-HT(2A)r in PFC was reduced; 5-HT(2C)r and 5-HT(2A)r gene expressions in DR were increased after treatment with risperidone. These results suggest that deletion of CB(2)r has a relation with schizophrenia-like behaviors. Pharmacological manipulation of CB(2)r may merit further study as a potential therapeutic target for the treatment of schizophrenia-related disorders.
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37
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Robertson HR, Feng G. Annual Research Review: Transgenic mouse models of childhood-onset psychiatric disorders. J Child Psychol Psychiatry 2011; 52:442-75. [PMID: 21309772 PMCID: PMC3075087 DOI: 10.1111/j.1469-7610.2011.02380.x] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Childhood-onset psychiatric disorders, such as attention deficit hyperactivity disorder (ADHD), autism spectrum disorder (ASD), mood disorders, obsessive compulsive spectrum disorders (OCSD), and schizophrenia (SZ), affect many school-age children, leading to a lower quality of life, including difficulties in school and personal relationships that persist into adulthood. Currently, the causes of these psychiatric disorders are poorly understood, resulting in difficulty diagnosing affected children, and insufficient treatment options. Family and twin studies implicate a genetic contribution for ADHD, ASD, mood disorders, OCSD, and SZ. Identification of candidate genes and chromosomal regions associated with a particular disorder provide targets for directed research, and understanding how these genes influence the disease state will provide valuable insights for improving the diagnosis and treatment of children with psychiatric disorders. Transgenic mouse models are one important approach in the study of human diseases, allowing for the use of a variety of experimental approaches to dissect the contribution of a specific chromosomal or genetic abnormality in human disorders. While it is impossible to model an entire psychiatric disorder in a single mouse model, these models can be extremely valuable in dissecting out the specific role of a gene, pathway, neuron subtype, or brain region in a particular abnormal behavior. In this review we discuss existing transgenic mouse models for childhood-onset psychiatric disorders. We compare the strength and weakness of various transgenic mouse models proposed for each of the common childhood-onset psychiatric disorders, and discuss future directions for the study of these disorders using cutting-edge genetic tools.
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Affiliation(s)
- Holly R. Robertson
- Duke University, Neurobiology Department Durham, N.C.,Massachusetts Institute of Technology, Brain and Cognitive Sciences Department Cambridge, M.A
| | - Guoping Feng
- Duke University, Neurobiology Department Durham, N.C.,Massachusetts Institute of Technology, Brain and Cognitive Sciences Department Cambridge, M.A
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Martin J, St-Pierre MV, Dufour JF. Hit proteins, mitochondria and cancer. BIOCHIMICA ET BIOPHYSICA ACTA-BIOENERGETICS 2011; 1807:626-32. [PMID: 21316334 DOI: 10.1016/j.bbabio.2011.02.001] [Citation(s) in RCA: 46] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/23/2010] [Revised: 02/02/2011] [Accepted: 02/02/2011] [Indexed: 11/30/2022]
Abstract
The histidine triad (HIT) superfamily comprises proteins that share the histidine triad motif, His-ϕ-His-ϕ-His-ϕ-ϕ, where ϕ is a hydrophobic amino acid. HIT proteins are ubiquitous in prokaryotes and eukaryotes. HIT proteins bind nucleotides and exert dinucleotidyl hydrolase, nucleotidylyl transferase or phosphoramidate hydrolase enzymatic activity. In humans, 5 families of HIT proteins are recognized. The accumulated epidemiological and experimental evidence indicates that two branches of the superfamily, the HINT (Histidine Triad Nucleotide Binding) members and FHIT (Fragile Histidine Triad), have tumor suppressor properties but a conclusive physiological role can still not be assigned to these proteins. Aprataxin forms another discrete branch of the HIT superfamily, is implicated in DNA repair mechanisms and unlike the HINT and FHIT members, a defective protein can be conclusively linked to a disease, ataxia with oculomotor apraxia type 1. The scavenger mRNA decapping enzyme, DcpS, forms a fourth branch of the HIT superfamily. Finally, the GalT enzymes, which exert specific nucleoside monophosphate transferase activity, form a fifth branch that is not implicated in tumorigenesis. The molecular mechanisms by which the HINT and FHIT proteins participate in bioenergetics of cancer are just beginning to be unraveled. Their purported actions as tumor suppressors are highlighted in this review.
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Affiliation(s)
- Juliette Martin
- Institute of Clinical Pharmacology and Visceral Research, University of Bern, Switzerland
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Varadarajulu J, Lebar M, Krishnamoorthy G, Habelt S, Lu J, Bernard Weinstein I, Li H, Holsboer F, Turck CW, Touma C. Increased anxiety-related behaviour in Hint1 knockout mice. Behav Brain Res 2011; 220:305-11. [PMID: 21316396 DOI: 10.1016/j.bbr.2011.02.012] [Citation(s) in RCA: 40] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2010] [Revised: 02/04/2011] [Accepted: 02/07/2011] [Indexed: 12/14/2022]
Abstract
Several reports have implicated a role for the histidine triad nucleotide-binding protein-1 (Hint1) in psychiatric disorders. We have studied the emotional behaviour of male Hint1 knockout (Hint1 KO) mice in a battery of tests and performed biochemical analyses on brain tissue. The behavioural analysis revealed that Hint1 KO mice exhibit an increased emotionality phenotype compared to wildtype (WT) mice, while no significant differences in locomotion or general exploratory activity were noted. In the elevated plus-maze (EPM) test, the Hint1 KO animals entered the open arms of the apparatus less often than WT littermates. Similarly, in the dark-light box test, Hint1 KO mice spent less time in the lit compartment and the number of entries were reduced, which further confirmed an increased anxiety-related behaviour. Moreover, the Hint1 KO animals showed significantly more struggling and less floating behaviour in the forced swim test (FST), indicating an increased emotional arousal in aversive situations. Hint1 is known as a protein kinase C (PKC) interacting protein. Western blot analysis showed that PKCγ expression was elevated in Hint1 KO compared to WT mice. Interestingly, PKCγ mRNA levels of the two groups did not show a significant difference, implying a post-transcriptional PKCγ regulation. In addition, PKC enzymatic activity was increased in Hint1 KO compared to WT mice. In summary, our results indicate a role for Hint1 and PKCγ in modulating anxiety-related and stress-coping behaviour in mice.
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Affiliation(s)
- Jeeva Varadarajulu
- Research Group of Proteomics & Biomarkers and Research Group of Psychoneuroendocrinology, Max Planck Institute of Psychiatry, Kraepelinstrasse 2, Munich, Germany
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Bardaweel S, Pace J, Chou TF, Cody V, Wagner CR. Probing the impact of the echinT C-terminal domain on structure and catalysis. J Mol Biol 2010; 404:627-38. [PMID: 20934431 DOI: 10.1016/j.jmb.2010.09.066] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2010] [Revised: 09/28/2010] [Accepted: 09/30/2010] [Indexed: 11/25/2022]
Abstract
Histidine triad nucleotide binding protein (Hint) is considered as the ancestor of the histidine triad protein superfamily and is highly conserved from bacteria to humans. Prokaryote genomes, including a wide array of both Gram-negative bacteria and Gram-positive bacteria, typically encode one Hint gene. The cellular function of Hint and the rationale for its evolutionary conservation in bacteria have remained a mystery. Despite its ubiquity and high sequence similarity to eukaryote Hint1 [Escherichia coli Hint (echinT) is 48% identical with human Hint1], prokaryote Hint has been reported in only a few studies. Here we report the first conformational information on the full-length N-terminal and C-terminal residues of Hint from the E. coli complex with GMP. Structural analysis of the echinT-GMP complex reveals that it crystallizes in the monoclinic space group P2(1) with four homodimers in the asymmetric unit. Analysis of electron density for both the N-terminal residues and the C-terminal residues of the echinT-GMP complex indicates that the loops in some monomers can adopt more than one conformation. The observation of conformational flexibility in terminal loop regions could explain the presence of multiple homodimers in the asymmetric unit of this structure. To explore the impact of the echinT C-terminus on protein structure and catalysis, we conducted a series of catalytic radiolabeling and kinetic experiments on the C-terminal deletion mutants of echinT. In this study, we show that sequential deletion of the C-terminus likely has no effect on homodimerization and a modest effect on the secondary structure of echinT. However, we observed a significant impact on the folding structure, as reflected by a significant lowering of the T(m) value. Kinetic analysis reveals that the C-terminal deletion mutants are within an order of magnitude less efficient in catalysis compared to wild type, while the overall kinetic mechanism that proceeds through a fast step, followed by a rate-limiting hydrolysis step, was conserved. Nevertheless, the ability of the C-terminal deletion mutants to hydrolyze lysyl-AMP generated by LysU was greatly impaired. Taken together, our results highlight the emerging role of the C-terminus in governing the catalytic function of Hints.
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Affiliation(s)
- Sanaa Bardaweel
- Department of Medicinal Chemistry, University of Minnesota, 8-174 Weaver Densford Hall, 308 Harvard Street SE, Minneapolis, MN 55455, USA
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Association of the histidine-triad nucleotide-binding protein-1 (HINT1) gene variants with nicotine dependence. THE PHARMACOGENOMICS JOURNAL 2010; 11:251-7. [PMID: 20514075 DOI: 10.1038/tpj.2010.41] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
The histidine triad nucleotide-binding protein-1 gene (HINT1) is implicated in schizophrenia and in the behavioral effects of morphine and amphetamine. Because nicotine dependence (ND) is highly comorbid with schizophrenia and other substance abuse, we examined the association of HINT1 with ND. Association analyses from two independent samples show that HINT1 gene variants are associated with ND phenotypes. Furthermore, human postmortem mRNA expression shows that smoking status and genotype influence HINT1 expression in the brain. In animal studies, western blot analyses show an increase of HINT1 protein level in the mouse nucleus accumbens (NAc) after chronic nicotine exposure. This increase was reduced after treatment with the nicotinic-receptor antagonist mecamylamine, and 24 and 72 h after cessation of nicotine treatment. These results indicate a genetic association between HINT1 variants and ND, and indicate that nicotine-induced modulation of HINT1 level may be involved in mechanisms of excess smoking.
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Barbier E, Wang JB. Anti-depressant and anxiolytic like behaviors in PKCI/HINT1 knockout mice associated with elevated plasma corticosterone level. BMC Neurosci 2009; 10:132. [PMID: 19912621 PMCID: PMC2780446 DOI: 10.1186/1471-2202-10-132] [Citation(s) in RCA: 48] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2009] [Accepted: 11/13/2009] [Indexed: 01/28/2023] Open
Abstract
BACKGROUND Protein kinase C interacting protein (PKCI/HINT1) is a small protein belonging to the histidine triad (HIT) family proteins. Its brain immunoreactivity is located in neurons and neuronal processes. PKCI/HINT1 gene knockout (KO) mice display hyper-locomotion in response to D-amphetamine which is considered a positive symptom of schizophrenia in animal models. Postmortem studies identified PKCI/HINT1 as a candidate molecule for schizophrenia and bipolar disorder. We investigated the hypothesis that the PKCI/HINT1 gene may play an important role in regulating mood function in the CNS. We submitted PKCI/HINT1 KO mice and their wild type (WT) littermates to behavioral tests used to study anti-depressant, anxiety like behaviors, and goal-oriented behavior. Additionally, as many mood disorders coincide with modifications of hypothalamic-pituitary-adrenal (HPA) axis function, we assessed the HPA activity through measurement of plasma corticosterone levels. RESULTS Compared to the WT controls, KO mice exhibited less immobility in the forced swim (FST) and the tail suspension (TST) tests. Activity in the TST tended to be attenuated by acute treatment with valproate at 300 mg/kg in KO mice. The PKCI/HINT1 KO mice presented less thigmotaxis in the Morris water maze and spent progressively more time in the lit compartment in the light/dark test. In a place navigation task, KO mice exhibited enhanced acquisition and retention. Furthermore, the afternoon basal plasma corticosterone level in PKCI/HINT1 KO mice was significantly higher than in the WT. CONCLUSION PKCI/HINT1 KO mice displayed a phenotype of behavioral and endocrine features which indicate changes of mood function, including anxiolytic-like and anti-depressant like behaviors, in conjunction with an elevated corticosterone level in plasma. These results suggest that the PKCI/HINT 1 gene could be important for the mood regulation function in the CNS.
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Affiliation(s)
- Elisabeth Barbier
- Department of Pharmaceutical Sciences, School of Pharmacy, University of Maryland, 20 Penn Street, Baltimore, Maryland 21201, USA.
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Yan X, Liu T, Yang S, Ding Q, Liu Y, Zhang X, Que H, Wei K, Luo Z, Liu S. Proteomic Profiling of the Insoluble Pellets of the Transected Rat Spinal Cord. J Neurotrauma 2009; 26:179-93. [DOI: 10.1089/neu.2008.0533] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Affiliation(s)
- Xiaodong Yan
- Department of Neurobiology, Institute of Basic Medical Sciences, State Key Laboratory of Proteomics, Beijing, P. R. China
- Department of Orthopaedic Surgery, Xijing Hospital, Fourth Military Medical University, Xi'an, P. R. China
| | - Tao Liu
- Department of Neurobiology, Institute of Basic Medical Sciences, State Key Laboratory of Proteomics, Beijing, P. R. China
| | - Shuguang Yang
- Department of Neurobiology, Institute of Basic Medical Sciences, State Key Laboratory of Proteomics, Beijing, P. R. China
| | - Qinxue Ding
- Department of Neurobiology, Institute of Basic Medical Sciences, State Key Laboratory of Proteomics, Beijing, P. R. China
| | - Yong Liu
- Department of Neurobiology, Institute of Basic Medical Sciences, State Key Laboratory of Proteomics, Beijing, P. R. China
| | - Xiaojun Zhang
- Department of Neurobiology, Institute of Basic Medical Sciences, State Key Laboratory of Proteomics, Beijing, P. R. China
| | - Haiping Que
- Department of Neurobiology, Institute of Basic Medical Sciences, State Key Laboratory of Proteomics, Beijing, P. R. China
| | - Kaihua Wei
- National Center of Biomedical Analysis, Beijing, P. R. China
| | - Zhuojing Luo
- Department of Orthopaedic Surgery, Xijing Hospital, Fourth Military Medical University, Xi'an, P. R. China
| | - Shaojun Liu
- Department of Neurobiology, Institute of Basic Medical Sciences, State Key Laboratory of Proteomics, Beijing, P. R. China
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Abstract
Gene expression changes in neuropsychiatric and neurodegenerative disorders, and gene responses to therapeutic drugs, provide new ways to identify central nervous system (CNS) targets for drug discovery. This review summarizes gene and pathway targets replicated in expression profiling of human postmortem brain, animal models, and cell culture studies. Analysis of isolated human neurons implicates targets for Alzheimer's disease and the cognitive decline associated with normal aging and mild cognitive impairment. In addition to tau, amyloid-beta precursor protein, and amyloid-beta peptides (Abeta), these targets include all three high-affinity neurotrophin receptors and the fibroblast growth factor (FGF) system, synapse markers, glutamate receptors (GluRs) and transporters, and dopamine (DA) receptors, particularly the D2 subtype. Gene-based candidates for Parkinson's disease (PD) include the ubiquitin-proteosome system, scavengers of reactive oxygen species, brain-derived neurotrophic factor (BDNF), its receptor, TrkB, and downstream target early growth response 1, Nurr-1, and signaling through protein kinase C and RAS pathways. Increasing variability and decreases in brain mRNA production from middle age to old age suggest that cognitive impairments during normal aging may be addressed by drugs that restore antioxidant, DNA repair, and synaptic functions including those of DA to levels of younger adults. Studies in schizophrenia identify robust decreases in genes for GABA function, including glutamic acid decarboxylase, HINT1, glutamate transport and GluRs, BDNF and TrkB, numerous 14-3-3 protein family members, and decreases in genes for CNS synaptic and metabolic functions, particularly glycolysis and ATP generation. Many of these metabolic genes are increased by insulin and muscarinic agonism, both of which are therapeutic in psychosis. Differential genomic signals are relatively sparse in bipolar disorder, but include deficiencies in the expression of 14-3-3 protein members, implicating these chaperone proteins and the neurotransmitter pathways they support as possible drug targets. Brains from persons with major depressive disorder reveal decreased expression for genes in glutamate transport and metabolism, neurotrophic signaling (eg, FGF, BDNF and VGF), and MAP kinase pathways. Increases in these pathways in the brains of animals exposed to electroconvulsive shock and antidepressant treatments identify neurotrophic and angiogenic growth factors and second messenger stimulation as therapeutic approaches for the treatment of depression.
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Chen Q, Wang X, O’Neill FA, Walsh D, Kendler KS, Chen X. Is the histidine triad nucleotide-binding protein 1 (HINT1) gene a candidate for schizophrenia? Schizophr Res 2008; 106:200-7. [PMID: 18799291 PMCID: PMC2729541 DOI: 10.1016/j.schres.2008.08.006] [Citation(s) in RCA: 39] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/31/2008] [Revised: 07/31/2008] [Accepted: 08/01/2008] [Indexed: 02/05/2023]
Abstract
BACKGROUND : The histidine triad nucleotide-binding protein 1, HINT1, hydrolyzes adenosine 5'-monophosphoramidate substrates such as AMP-morpholidate. The human HINT1 gene is located on chromosome 5q31.2, a region implicated in linkage studies of schizophrenia. HINT1 had been shown to have different expression in postmortem brains between schizophrenia patients and unaffected controls. It was also found to be associated with the dysregulation of postsynaptic dopamine transmission, thus suggesting a potential role in several neuropsychiatric diseases. METHODS : In this work, we studied 8 SNPs around the HINT1 gene region using the Irish study of high density schizophrenia families (ISHDSF, 1350 subjects and 273 pedigrees) and the Irish case control study of schizophrenia (ICCSS, 655 affected subjects and 626 controls). The expression level of HINT1 was compared between the postmortem brain cDNAs from schizophrenic patients and unaffected controls provided by the Stanley Medical Research Institute. RESULTS : We found nominally significant differences in allele frequencies in several SNPs for both ISHDSF and ICCSS samples in sex-stratified analyses. However, the sex effect differed between the two samples. In expression studies, no significant difference in expression was observed between patients and controls. However, significant interactions amongst sex, diagnosis and rs3864283 genotypes were observed. CONCLUSION : Data from both association and expression studies suggested that variants at HINT1 may be associated with schizophrenia and the associations may be sex-specific. However, the markers showing associations were in high LD to the SPEC2/PDZ-GEF2/ACSL6 locus reported previously in the same samples. This made it difficult to separate the association signals amongst these genes. Other independent studies may be necessary to distinguish these candidate genes.
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Affiliation(s)
- Qi Chen
- Department of Psychiatry and Virginia Institute for Psychiatric and Behavior Genetics, Virginia Commonwealth University, 800 E. Leigh Street, Richmond, VA 23298
| | - Xu Wang
- Department of Psychiatry and Virginia Institute for Psychiatric and Behavior Genetics, Virginia Commonwealth University, 800 E. Leigh Street, Richmond, VA 23298
| | - Francis A. O’Neill
- The Department of Psychiatry, The Queens University, Belfast, Northern Ireland
| | | | - Kenneth S. Kendler
- Department of Psychiatry and Virginia Institute for Psychiatric and Behavior Genetics, Virginia Commonwealth University, 800 E. Leigh Street, Richmond, VA 23298
| | - Xiangning Chen
- Department of Psychiatry and Virginia Institute for Psychiatric and Behavior Genetics, Virginia Commonwealth University, 800 E. Leigh Street, Richmond, VA 23298,Corresponding author: X. Chen, , Telephone: 804 828 8124, Fax: 804 828 1471
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Liu Q, Puche AC, Wang JB. Distribution and Expression of Protein Kinase C Interactive Protein (PKCI/HINT1) in Mouse Central Nervous System (CNS). Neurochem Res 2008; 33:1263-76. [DOI: 10.1007/s11064-007-9578-4] [Citation(s) in RCA: 36] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2007] [Accepted: 12/20/2007] [Indexed: 11/30/2022]
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