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Zhou S, Zhou Y, Zhong W, Su Z, Qin Z. Involvement of protein L-isoaspartyl methyltransferase in the physiopathology of neurodegenerative diseases: Possible substrates associated with synaptic function. Neurochem Int 2023; 170:105606. [PMID: 37657764 DOI: 10.1016/j.neuint.2023.105606] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2023] [Revised: 08/11/2023] [Accepted: 08/29/2023] [Indexed: 09/03/2023]
Abstract
Synaptic dysfunction is a typical pathophysiologic change in neurodegenerative diseases (NDs) such as Alzheimer's disease (AD), Parkinson's disease (PD), Hintington's disease (HD) and amyotrophic lateral sclerosis (ALS), which involves protein post-translational modifications (PTMs) including L-isoaspartate (L-isoAsp) formed by isomerization of aspartate or deamidation of asparagine. The formation of L-isoAsp could be repaired by protein L-isoaspartyl methyltransferase (PIMT). Some synaptic proteins have been identified as PIMT potential substrates and play an essential role in ensuring synaptic function. In this review, we discuss the role of certain synaptic proteins as PIMT substrates in neurodegenerative disease, thus providing therapeutic synapse-centered targets for the treatment of NDs.
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Affiliation(s)
- Sirui Zhou
- Department of Anatomy, School of Integrative Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, China.
| | - Yancheng Zhou
- Department of Anatomy, School of Integrative Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, China.
| | - Wanyu Zhong
- Department of Anatomy, School of Integrative Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, China.
| | - Zhonghao Su
- Department of Febrile Disease, School of Traditional Chinese Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, China.
| | - Zhenxia Qin
- Department of Anatomy, School of Integrative Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, China.
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Kondo-Takuma Y, Mizuno M, Tsuda Y, Madokoro Y, Suzuki K, Sato T, Takase H, Uchida Y, Adachi KI, Hida H, Borlongan CV, Matsukawa N. Reduction of acetylcholine in the hippocampus of hippocampal cholinergic neurostimulating peptide precursor protein knockout mice. Sci Rep 2021; 11:22072. [PMID: 34764402 PMCID: PMC8586363 DOI: 10.1038/s41598-021-01667-8] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2021] [Accepted: 11/02/2021] [Indexed: 12/18/2022] Open
Abstract
The cholinergic efferent network from the medial septal nucleus to the hippocampus plays an important role in learning and memory processes. This cholinergic projection can generate theta oscillations in the hippocampus to encode novel information. Hippocampal cholinergic neurostimulating peptide (HCNP), which induces acetylcholine (Ach) synthesis in the medial septal nuclei of an explant culture system, was purified from the soluble fraction of postnatal rat hippocampus. HCNP is processed from the N-terminal region of a 186-amino acid, 21-kDa HCNP precursor protein, also known as Raf kinase inhibitory protein and phosphatidylethanolamine-binding protein 1. Here, we confirmed direct reduction of Ach release in the hippocampus of freely moving HCNP-pp knockout mice under an arousal state by the microdialysis method. The levels of vesicular acetylcholine transporter were also decreased in the hippocampus of these mice in comparison with those in control mice, suggesting there was decreased incorporation of Ach into the synaptic vesicle. These results potently indicate that HCNP may be a cholinergic regulator in the septo-hippocampal network.
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Affiliation(s)
- Yuko Kondo-Takuma
- Department of Neurology, Nagoya City University Graduate School of Medical Sciences, Mizuho-ku, Nagoya, Aichi, 467-8601, Japan
| | - Masayuki Mizuno
- Department of Neurology, Nagoya City University Graduate School of Medical Sciences, Mizuho-ku, Nagoya, Aichi, 467-8601, Japan
| | - Yo Tsuda
- Department of Neurology, Nagoya City University Graduate School of Medical Sciences, Mizuho-ku, Nagoya, Aichi, 467-8601, Japan
| | - Yuta Madokoro
- Department of Neurology, Nagoya City University Graduate School of Medical Sciences, Mizuho-ku, Nagoya, Aichi, 467-8601, Japan
| | - Kengo Suzuki
- Department of Neurology, Nagoya City University Graduate School of Medical Sciences, Mizuho-ku, Nagoya, Aichi, 467-8601, Japan
| | - Toyohiro Sato
- Department of Neurology, Nagoya City University Graduate School of Medical Sciences, Mizuho-ku, Nagoya, Aichi, 467-8601, Japan
| | - Hiroshi Takase
- Core Laboratory, Nagoya City University Graduate School of Medical Sciences, Mizuho-ku, Nagoya, Aichi, 467-8601, Japan
| | - Yuto Uchida
- Department of Neurology, Nagoya City University Graduate School of Medical Sciences, Mizuho-ku, Nagoya, Aichi, 467-8601, Japan
| | - Ken-Ichi Adachi
- Department of Neurology, Nagoya City University Graduate School of Medical Sciences, Mizuho-ku, Nagoya, Aichi, 467-8601, Japan
| | - Hideki Hida
- Department of Neurophysiology and Brain Science, Nagoya City University Graduate School of Medical Sciences, Mizuho-ku, Nagoya, Aichi, 467-8601, Japan
| | - Cesario V Borlongan
- Center of Excellence for Aging and Brain Repair, Department of Neurosurgery and Brain Repair, University of South Florida, Morsani College of Medicine, 12901 Bruce B. Downs Blvd, Tampa, FL, 33612, USA
| | - Noriyuki Matsukawa
- Department of Neurology, Nagoya City University Graduate School of Medical Sciences, Mizuho-ku, Nagoya, Aichi, 467-8601, Japan.
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Francia S, Lodovichi C. The role of the odorant receptors in the formation of the sensory map. BMC Biol 2021; 19:174. [PMID: 34452614 PMCID: PMC8394594 DOI: 10.1186/s12915-021-01116-y] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2021] [Accepted: 08/02/2021] [Indexed: 11/10/2022] Open
Abstract
In the olfactory system, odorant receptors (ORs) expressed at the cell membrane of olfactory sensory neurons detect odorants and direct sensory axons toward precise target locations in the brain, reflected in the presence of olfactory sensory maps. This dual role of ORs is corroborated by their subcellular expression both in cilia, where they bind odorants, and at axon terminals, a location suitable for axon guidance cues. Here, we provide an overview and discuss previous work on the role of ORs in establishing the topographic organization of the olfactory system and recent findings on the mechanisms of activation and function of axonal ORs.
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Affiliation(s)
- Simona Francia
- Center for Synaptic Neuroscience and Technology, Istituto Italiano di Tecnologia, Genoa, Italy.,Veneto Institute of Molecular Medicine, Padua, Italy
| | - Claudia Lodovichi
- Veneto Institute of Molecular Medicine, Padua, Italy. .,Neuroscience Institute CNR, Via Orus 2, 35129, Padua, Italy. .,Department of Biomedical Sciences, University of Padua, Padua, Italy. .,Padova Neuroscience Center, Padua, Italy.
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Butterfield DA, Boyd-Kimball D. Redox proteomics and amyloid β-peptide: insights into Alzheimer disease. J Neurochem 2019; 151:459-487. [PMID: 30216447 PMCID: PMC6417976 DOI: 10.1111/jnc.14589] [Citation(s) in RCA: 79] [Impact Index Per Article: 15.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2018] [Revised: 08/15/2018] [Accepted: 09/07/2018] [Indexed: 12/12/2022]
Abstract
Alzheimer disease (AD) is a progressive neurodegenerative disorder associated with aging and characterized pathologically by the presence of senile plaques, neurofibrillary tangles, and neurite and synapse loss. Amyloid beta-peptide (1-42) [Aβ(1-42)], a major component of senile plaques, is neurotoxic and induces oxidative stress in vitro and in vivo. Redox proteomics has been used to identify proteins oxidatively modified by Aβ(1-42) in vitro and in vivo. In this review, we discuss these proteins in the context of those identified to be oxidatively modified in animal models of AD, and human studies including familial AD, pre-clinical AD (PCAD), mild cognitive impairment (MCI), early AD, late AD, Down syndrome (DS), and DS with AD (DS/AD). These redox proteomics studies indicate that Aβ(1-42)-mediated oxidative stress occurs early in AD pathogenesis and results in altered antioxidant and cellular detoxification defenses, decreased energy yielding metabolism and mitochondrial dysfunction, excitotoxicity, loss of synaptic plasticity and cell structure, neuroinflammation, impaired protein folding and degradation, and altered signal transduction. Improved access to biomarker imaging and the identification of lifestyle interventions or treatments to reduce Aβ production could be beneficial in preventing or delaying the progression of AD. This article is part of the special issue "Proteomics".
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Affiliation(s)
- D. Allan Butterfield
- Department of Chemistry and Sanders-Brown Center on Aging, University of Kentucky, Lexington, KY 40506
| | - Debra Boyd-Kimball
- Department of Chemistry and Biochemistry, University of Mount Union, Alliance, OH 44601
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Ohi Y, Kato D, Mizuno M, Sato T, Ueki Y, Borlongan CV, Ojika K, Haji A, Matsukawa N. Enhancement of long-term potentiation via muscarinic modulation in the hippocampus of HCNP precursor transgenic mice. Neurosci Lett 2015; 597:1-6. [PMID: 25899776 DOI: 10.1016/j.neulet.2015.04.028] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2015] [Revised: 03/26/2015] [Accepted: 04/15/2015] [Indexed: 10/23/2022]
Abstract
Hippocampal cholinergic neurostimulating peptide (HCNP) regulates acetylcholine synthesis in the septal hippocampus through the quantitative increase of choline acetyltransferase levels in the septal nucleus both in vitro and in vivo. Additionally, HCNP-precursor protein transgenic (HCNP-pp Tg) mice display depressive behavior. To examine the physiological function of HCNP and/or HCNP-pp on hippocampal neural activity, we investigated whether overexpression of HCNP-pp strengthened the efficiency of neural activity in the hippocampus. Long-term potentiation (LTP) of excitatory synaptic transmission was induced by a tetanic stimulation of the Schaffer collateral-commissural fibers (SCs) in mouse hippocampal slices. LTP in HCNP-pp Tg mice was significantly enhanced when compared with wild-type littermate (WT) mice. This facilitation of LTP in HCNP-pp Tg mice was blocked by atropine or pirenzepine, but not by mecamylamine. In contrast, LTP in WT mice was not affected by atropine, but enhanced by carbachol. However, neither difference in the input-output relationship of field excitatory postsynaptic potentials nor in the facilitation ratio in paired-pulse stimulation of the SCs was observed between HCNP-pp Tg and WT mice, indicating that presynaptic glutamate release in HCNP-pp Tg mice is similar to that of WT mice. These results suggest that muscarinic (M1) modulation of glutamatergic postsynaptic function may be involved in strengthening LTP in HCNP-pp Tg mice.
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Affiliation(s)
- Yoshiaki Ohi
- Laboratory of Neuropharmacology, School of Pharmacy, Aichi Gakuin University, 1-100 Kusumoto, Chikusa-ku, Nagoya 464-8650, Japan
| | - Daisuke Kato
- Department of Neurology, School of Medicine, Nagoya City University, 1 Kawasumi, Mizuho-ku, Nagoya 467-8602, Japan
| | - Masayuki Mizuno
- Department of Neurology, School of Medicine, Nagoya City University, 1 Kawasumi, Mizuho-ku, Nagoya 467-8602, Japan
| | - Toyohiro Sato
- Department of Neurology, School of Medicine, Nagoya City University, 1 Kawasumi, Mizuho-ku, Nagoya 467-8602, Japan
| | - Yoshino Ueki
- Department of Neurology, School of Medicine, Nagoya City University, 1 Kawasumi, Mizuho-ku, Nagoya 467-8602, Japan
| | - Cesario V Borlongan
- Center of Excellence for Aging and Brain Repair, Department of Neurosurgery and Repair, University of South Florida, Tampa, Florida, USA
| | - Kosei Ojika
- Department of Neurology, School of Medicine, Nagoya City University, 1 Kawasumi, Mizuho-ku, Nagoya 467-8602, Japan
| | - Akira Haji
- Laboratory of Neuropharmacology, School of Pharmacy, Aichi Gakuin University, 1-100 Kusumoto, Chikusa-ku, Nagoya 464-8650, Japan
| | - Noriyuki Matsukawa
- Department of Neurology, School of Medicine, Nagoya City University, 1 Kawasumi, Mizuho-ku, Nagoya 467-8602, Japan.
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Mizuno M, Kato D, Kanamori T, Toyoda T, Suzuki T, Ojika K, Matsukawa N. Phosphorylation of collapsin response mediator protein-2 regulates its localization and association with hippocampal cholinergic neurostimulating peptide precursor in the hippocampus. Neurosci Lett 2012; 535:122-7. [PMID: 23276635 DOI: 10.1016/j.neulet.2012.12.027] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2012] [Revised: 12/07/2012] [Accepted: 12/12/2012] [Indexed: 11/15/2022]
Abstract
Hippocampal cholinergic neurostimulating peptide (HCNP) induces the synthesis of acetylcholine in the medial septal nucleus in vitro and in vivo. The precursor, HCNP-pp, is a multifunctional protein participating in important signaling pathways, such as MAPK/ERK kinase (MEK) and G-protein-coupled receptor kinase 2 (GRK2). We recently demonstrated that HCNP-pp colocalizes with collapsin response mediator protein-2 (CRMP-2) at presynaptic terminals in the hippocampus, suggesting that HCNP-pp may play an important role in presynaptic function in association with CRMP-2. To clarify the involvement of phosphorylation in regulating the interaction between HCNP-pp and CRMP-2, we investigated the colocalization of HCNP-pp with unphosphorylated- and/or phosphorylated-CRMP-2 (pCRMP-2) at presynaptic terminals. We further determined if the phosphorylation of CRMP-2 affects the binding between those proteins. Here, we demonstrate that HCNP-pp predominantly colocalizes and associates with unphosphorylated and/or pSer-522-CRMP-2 at presynaptic terminals in the hippocampus. Interestingly, HCNP-pp does not associate with pThr-509/514-CRMP-2, which is primarily localized at postsynaptic terminals. These findings suggest that HCNP-pp, in association with unphosphorylated and/or pSer522-CRMP-2, plays an important role in presynaptic function in the mature hippocampus.
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Affiliation(s)
- Masayuki Mizuno
- Department of Neurology, Nagoya City University, 1 Kawasumi, Mizuho-ku, Nagoya 467-8601, Japan
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