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Boumali R, Urli L, Naim M, Soualmia F, Kinugawa K, Petropoulos I, El Amri C. Kallikrein-related peptidase's significance in Alzheimer's disease pathogenesis: A comprehensive survey. Biochimie 2024:S0300-9084(24)00076-2. [PMID: 38608749 DOI: 10.1016/j.biochi.2024.04.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2024] [Revised: 03/19/2024] [Accepted: 04/04/2024] [Indexed: 04/14/2024]
Abstract
Alzheimer's disease (AD) and related dementias constitute an important global health challenge. Detailed understanding of the multiple molecular mechanisms underlying their pathogenesis constitutes a clue for the management of the disease. Kallikrein-related peptidases (KLKs), a lead family of serine proteases, have emerged as potential biomarkers and therapeutic targets in the context of AD and associated cognitive decline. Hence, KLKs were proposed to display multifaceted impacts influencing various aspects of neurodegeneration, including amyloid-beta aggregation, tau pathology, neuroinflammation, and synaptic dysfunction. We propose here a comprehensive survey to summarize recent findings, providing an overview of the main kallikreins implicated in AD pathophysiology namely KLK8, KLK6 and KLK7. We explore the interplay between KLKs and key AD molecular pathways, shedding light on their significance as potential biomarkers for early disease detection. We also discuss their pertinence as therapeutic targets for disease-modifying interventions to develop innovative therapeutic strategies aimed at halting or ameliorating the progression of AD and associated dementias.
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Affiliation(s)
- Rilès Boumali
- Sorbonne Université, Faculty of Sciences and Engineering, IBPS, UMR 8256, CNRS-SU, ERL INSERM U1164, Biological Adaptation and Ageing, F-75252, Paris, France. Paris, France
| | - Laureline Urli
- Sorbonne Université, Faculty of Sciences and Engineering, IBPS, UMR 8256, CNRS-SU, ERL INSERM U1164, Biological Adaptation and Ageing, F-75252, Paris, France. Paris, France
| | - Meriem Naim
- Sorbonne Université, Faculty of Sciences and Engineering, IBPS, UMR 8256, CNRS-SU, ERL INSERM U1164, Biological Adaptation and Ageing, F-75252, Paris, France. Paris, France
| | - Feryel Soualmia
- Sorbonne Université, Faculty of Sciences and Engineering, IBPS, UMR 8256, CNRS-SU, ERL INSERM U1164, Biological Adaptation and Ageing, F-75252, Paris, France. Paris, France
| | - Kiyoka Kinugawa
- Sorbonne Université, Faculty of Sciences and Engineering, IBPS, UMR 8256, CNRS-SU, ERL INSERM U1164, Biological Adaptation and Ageing, F-75252, Paris, France. Paris, France; AP-HP, Paris, France; Charles-Foix Hospital, Functional Exploration Unit for Older Patients, 94200 Ivry-sur-Seine, France
| | - Isabelle Petropoulos
- Sorbonne Université, Faculty of Sciences and Engineering, IBPS, UMR 8256, CNRS-SU, ERL INSERM U1164, Biological Adaptation and Ageing, F-75252, Paris, France. Paris, France.
| | - Chahrazade El Amri
- Sorbonne Université, Faculty of Sciences and Engineering, IBPS, UMR 8256, CNRS-SU, ERL INSERM U1164, Biological Adaptation and Ageing, F-75252, Paris, France. Paris, France.
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Xu DH, Du JK, Liu SY, Zhang H, Yang L, Zhu XY, Liu YJ. Upregulation of KLK8 contributes to CUMS-induced hippocampal neuronal apoptosis by cleaving NCAM1. Cell Death Dis 2023; 14:278. [PMID: 37076499 PMCID: PMC10115824 DOI: 10.1038/s41419-023-05800-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2022] [Revised: 04/02/2023] [Accepted: 04/06/2023] [Indexed: 04/21/2023]
Abstract
Neuronal apoptosis has been well-recognized as a critical mediator in the pathogenesis of depressive disorders. Tissue kallikrein-related peptidase 8 (KLK8), a trypsin-like serine protease, has been implicated in the pathogenesis of several psychiatric disorders. The present study aimed to explore the potential function of KLK8 in hippocampal neuronal cell apoptosis associated with depressive disorders in rodent models of chronic unpredictable mild stress (CUMS)-induced depression. It was found that depression-like behavior in CUMS-induced mice was associated with hippocampal KLK8 upregulation. Transgenic overexpression of KLK8 exacerbated, whereas KLK8 deficiency attenuated CUMS-induced depression-like behaviors and hippocampal neuronal apoptosis. In HT22 murine hippocampal neuronal cells and primary hippocampal neurons, adenovirus-mediated overexpression of KLK8 (Ad-KLK8) was sufficient to induce neuron apoptosis. Mechanistically, it was identified that the neural cell adhesion molecule 1 (NCAM1) may associate with KLK8 in hippocampal neurons as KLK8 proteolytically cleaved the NCAM1 extracellular domain. Immunofluorescent staining exhibited decreased NCAM1 in hippocampal sections obtained from mice or rats exposed to CUMS. Transgenic overexpression of KLK8 exacerbated, whereas KLK8 deficiency largely prevented CUMS-induced loss of NCAM1 in the hippocampus. Both adenovirus-mediated overexpression of NCAM1 and NCAM1 mimetic peptide rescued KLK8-overexpressed neuron cells from apoptosis. Collectively, this study identified a new pro-apoptotic mechanism in the hippocampus during the pathogenesis of CUMS-induced depression via the upregulation of KLK8, and raised the possibility of KLK8 as a potential therapeutic target for depression.
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Affiliation(s)
- Dan-Hong Xu
- School of Kinesiology, Shanghai Frontiers Science Research Base of Exercise and Metabolic Health, The Key Laboratory of Exercise and Health Sciences of Ministry of Education Shanghai University of Sport, Shanghai, 200438, China
- Department of Physiology, Navy Medical University, Shanghai, 200433, China
| | - Jian-Kui Du
- National Clinical Research Center for Geriatric Disorders and National International Joint Research Center for Medical Metabolomics, Xiangya Hospital, Central South University, Changsha, Hunan, 41008, China
| | - Shi-Yu Liu
- School of Kinesiology, Shanghai Frontiers Science Research Base of Exercise and Metabolic Health, The Key Laboratory of Exercise and Health Sciences of Ministry of Education Shanghai University of Sport, Shanghai, 200438, China
| | - Hui Zhang
- Department of Anesthesiology and Surgical Intensive Care Unit, Xinhua Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, 200092, China
| | - Lu Yang
- School of Kinesiology, Shanghai Frontiers Science Research Base of Exercise and Metabolic Health, The Key Laboratory of Exercise and Health Sciences of Ministry of Education Shanghai University of Sport, Shanghai, 200438, China
| | - Xiao-Yan Zhu
- Department of Physiology, Navy Medical University, Shanghai, 200433, China.
| | - Yu-Jian Liu
- School of Kinesiology, Shanghai Frontiers Science Research Base of Exercise and Metabolic Health, The Key Laboratory of Exercise and Health Sciences of Ministry of Education Shanghai University of Sport, Shanghai, 200438, China.
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Shiosaka S. Kallikrein 8: A key sheddase to strengthen and stabilize neural plasticity. Neurosci Biobehav Rev 2022; 140:104774. [PMID: 35820483 DOI: 10.1016/j.neubiorev.2022.104774] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2022] [Revised: 07/01/2022] [Accepted: 07/06/2022] [Indexed: 11/19/2022]
Abstract
Neural networks are modified and reorganized throughout life, even in the matured brain. Synapses in the networks form, change, or disappear dynamically in the plasticity state. The pre- and postsynaptic signaling, transmission, and structural dynamics have been studied considerably well. However, not many studies have shed light on the events in the synaptic cleft and intercellular space. Neural activity-dependent protein shedding is a phenomenon in which (1) presynaptic excitation evokes secretion or activation of sheddases, (2) sheddases are involved not only in cleavage of membrane- or matrix-bound proteins but also in mechanical modulation of cell-to-cell connectivity, and (3) freed activity domains of protein factors play a role in receptor-mediated or non-mediated biological actions. Kallikrein 8/neuropsin (KLK8) is a kallikrein family serine protease rich in the mammalian limbic brain. Accumulated evidence has suggested that KLK8 is an important modulator of neural plasticity and consequently, cognition. Insufficiency, as well as excess of KLK8 may have detrimental effects on limbic functions.
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Affiliation(s)
- Sadao Shiosaka
- Osaka Psychiatric Research Center, Osaka Psychiatric Medical Center, Osaka Prefectural Hospital Organization, Miyanosaka 3-16-21, Hirakata-shi, Osaka 573-0022, Japan.
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Liebert A, Pang V, Bicknell B, McLachlan C, Mitrofanis J, Kiat H. A Perspective on the Potential of Opsins as an Integral Mechanism of Photobiomodulation: It's Not Just the Eyes. Photobiomodul Photomed Laser Surg 2022; 40:123-135. [PMID: 34935507 DOI: 10.1089/photob.2021.0106] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
Objective: To investigate the potential relationship between opsins and photobiomodulation. Background: Opsins and other photoreceptors occur in all phyla and are important in light-activated signaling and organism homeostasis. In addition to the visual opsin systems of the retina (OPN1 and OPN2), there are several non-visual opsins found throughout the body tissues, including encephalopsin/panopsin (OPN3), melanopsin (OPN4), and neuropsin (OPN5), as well as other structures that have light-sensitive properties, such as enzymes, ion channels, particularly those located in cell membranes, lysosomes, and neuronal structures such as the nodes of Ranvier. The influence of these structures on exposure to light, including self-generated light within the body (autofluorescence), on circadian oscillators, and circadian and ultradian rhythms have become increasingly reported. The visual and non-visual phototransduction cascade originating from opsins and other structures has potential significant mechanistic effects on tissues and health. Methods: A PubMed and Google Scholar search was made using the search terms "photobiomodulation", "light", "neuron", "opsins", "neuropsin", "melanopsin", "encephalopsin", "rhodopsin", and "chromophore". Results: This review was examined the influence of neuropsin (also known as kallikrein 8), encephalopsin, and melanopsin specifically on ion channel function, and more broadly on the central and peripheral nervous systems. The relationship between opsins 3, 4, and 5 and photobiomodulation mechanisms was evaluated, along with a proposed role of photobiomodulation through opsins and light-sensitive organelles as potential alleviators of symptoms and accelerators of beneficial regenerative processes. The potential clinical implications of this in musculoskeletal conditions, wounds, and in the symptomatic management of neurodegenerative disease was also examined. Conclusions: Systematic research into the pleotropic therapeutic role of photobiomodulation, mediated through its action on opsins and other light-sensitive organelles may assist in the future execution of safe, low-risk precision medicine for a variety of chronic and complex disease conditions, and for health maintenance in aging.
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Affiliation(s)
- Ann Liebert
- Faculty of Medicine and Health Sciences, University of Sydney, Sydney, Australia.,Office of Governance and Research, San Hospital, Sydney, Australia
| | | | - Brian Bicknell
- Faculty of Health Science, Australian Catholic University, North Sydney, Australia
| | | | - John Mitrofanis
- Clinatec, Fonds de Dotation-CEA, Universitè Grenoble Alpes, Grenoble, France
| | - Hosen Kiat
- Department of Clinical Medicine, Macquarie University, Sydney, Australia.,Cardiac Health Institute, Sydney, Australia
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Michurina A, Sakib MS, Kerimoglu C, Krüger DM, Kaurani L, Islam MR, Joshi PD, Schröder S, Centeno TP, Zhou J, Pradhan R, Cha J, Xu X, Eichele G, Zeisberg EM, Kranz A, Stewart AF, Fischer A. Postnatal expression of the lysine methyltransferase SETD1B is essential for learning and the regulation of neuron-enriched genes. EMBO J 2022; 41:e106459. [PMID: 34806773 PMCID: PMC8724770 DOI: 10.15252/embj.2020106459] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2020] [Revised: 10/04/2021] [Accepted: 10/15/2021] [Indexed: 01/04/2023] Open
Abstract
In mammals, histone 3 lysine 4 methylation (H3K4me) is mediated by six different lysine methyltransferases. Among these enzymes, SETD1B (SET domain containing 1b) has been linked to syndromic intellectual disability in human subjects, but its role in the mammalian postnatal brain has not been studied yet. Here, we employ mice deficient for Setd1b in excitatory neurons of the postnatal forebrain, and combine neuron-specific ChIP-seq and RNA-seq approaches to elucidate its role in neuronal gene expression. We observe that Setd1b controls the expression of a set of genes with a broad H3K4me3 peak at their promoters, enriched for neuron-specific genes linked to learning and memory function. Comparative analyses in mice with conditional deletion of Kmt2a and Kmt2b histone methyltransferases show that SETD1B plays a more pronounced and potent role in regulating such genes. Moreover, postnatal loss of Setd1b leads to severe learning impairment, suggesting that SETD1B-dependent regulation of H3K4me levels in postnatal neurons is critical for cognitive function.
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Affiliation(s)
- Alexandra Michurina
- Department for Systems Medicine and EpigeneticsGerman Center for Neurodegenerative Diseases (DZNE)GöttingenGermany
| | - M Sadman Sakib
- Department for Systems Medicine and EpigeneticsGerman Center for Neurodegenerative Diseases (DZNE)GöttingenGermany
| | - Cemil Kerimoglu
- Department for Systems Medicine and EpigeneticsGerman Center for Neurodegenerative Diseases (DZNE)GöttingenGermany
| | - Dennis Manfred Krüger
- Department for Systems Medicine and EpigeneticsGerman Center for Neurodegenerative Diseases (DZNE)GöttingenGermany
| | - Lalit Kaurani
- Department for Systems Medicine and EpigeneticsGerman Center for Neurodegenerative Diseases (DZNE)GöttingenGermany
| | - Md Rezaul Islam
- Department for Systems Medicine and EpigeneticsGerman Center for Neurodegenerative Diseases (DZNE)GöttingenGermany
| | - Parth Devesh Joshi
- Department for Gene and BehaviorMax Planck Institute for Biophysical ChemistryGöttingenGermany
| | - Sophie Schröder
- Department for Systems Medicine and EpigeneticsGerman Center for Neurodegenerative Diseases (DZNE)GöttingenGermany
| | - Tonatiuh Pena Centeno
- Department for Systems Medicine and EpigeneticsGerman Center for Neurodegenerative Diseases (DZNE)GöttingenGermany
| | - Jiayin Zhou
- Department for Systems Medicine and EpigeneticsGerman Center for Neurodegenerative Diseases (DZNE)GöttingenGermany
| | - Ranjit Pradhan
- Department for Systems Medicine and EpigeneticsGerman Center for Neurodegenerative Diseases (DZNE)GöttingenGermany
| | - Julia Cha
- Department for Systems Medicine and EpigeneticsGerman Center for Neurodegenerative Diseases (DZNE)GöttingenGermany
| | - Xingbo Xu
- Department of Cardiology and PneumologyUniversity Medical Center of GöttingenGeorg‐August UniversityGöttingenGermany
- German Centre for Cardiovascular Research (DZHK)Partner Site GöttingenGöttingenGermany
| | - Gregor Eichele
- Department for Gene and BehaviorMax Planck Institute for Biophysical ChemistryGöttingenGermany
| | - Elisabeth M Zeisberg
- Department of Cardiology and PneumologyUniversity Medical Center of GöttingenGeorg‐August UniversityGöttingenGermany
- German Centre for Cardiovascular Research (DZHK)Partner Site GöttingenGöttingenGermany
- Cluster of Excellence “Multiscale Bioimaging: from Molecular Machines to Networks of Excitable Cells” (MBExC)University of GöttingenGermany
| | - Andrea Kranz
- Biotechnology CenterCenter for Molecular and Cellular BioengineeringDresden University of TechnologyDresdenGermany
| | - A Francis Stewart
- Biotechnology CenterCenter for Molecular and Cellular BioengineeringDresden University of TechnologyDresdenGermany
- Max‐Planck‐Institute for Cell Biology and GeneticsDresdenGermany
| | - André Fischer
- Department for Systems Medicine and EpigeneticsGerman Center for Neurodegenerative Diseases (DZNE)GöttingenGermany
- Cluster of Excellence “Multiscale Bioimaging: from Molecular Machines to Networks of Excitable Cells” (MBExC)University of GöttingenGermany
- Department of Psychiatry and PsychotherapyUniversity Medical Center GöttingenGöttingenGermany
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DNA methylation of the KLK8 gene in depression symptomatology. Clin Epigenetics 2021; 13:200. [PMID: 34715912 PMCID: PMC8556955 DOI: 10.1186/s13148-021-01184-5] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2021] [Accepted: 10/12/2021] [Indexed: 12/02/2022] Open
Abstract
Background Depression is a common, complex, and debilitating mental disorder estimated to be under-diagnosed and insufficiently treated in society. Liability to depression is influenced by both genetic and environmental risk factors, which are both capable of impacting DNA methylation (DNAm). Accordingly, numerous studies have researched for DNAm signatures of this disorder. Recently, an epigenome-wide association study of monozygotic twins identified an association between DNAm status in the KLK8 (neuropsin) promoter region and severity of depression symptomatology. Methods In this study, we aimed to investigate: (i) if blood DNAm levels, quantified by pyrosequencing, at two CpG sites in the KLK8 promoter are associated with depression symptomatology and depression diagnosis in an independent clinical cohort and (ii) if KLK8 DNAm levels are associated with depression, postpartum depression, and depression symptomatology in four independent methylomic cohorts, with blood and brain DNAm quantified by either MBD-seq or 450 k methylation array. Results DNAm levels in KLK8 were not significantly different between depression cases and controls, and were not significantly associated with any of the depression symptomatology scores after correction for multiple testing (minimum p value for KLK8 CpG1 = 0.12 for ‘Depressed mood,’ and for CpG2 = 0.03 for ‘Loss of self-confidence with other people’). However, investigation of the link between KLK8 promoter DNAm levels and depression-related phenotypes collected from four methylomic cohorts identified significant association (p value < 0.05) between severity of depression symptomatology and blood DNAm levels at seven CpG sites. Conclusions Our findings suggest that variance in blood DNAm levels in KLK8 promoter region is associated with severity of depression symptoms, but not depression diagnosis. Supplementary Information The online version contains supplementary material available at 10.1186/s13148-021-01184-5.
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