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Zhuang S, Chakraborty P, Zweckstetter M. Regulation of tau by peptidyl-prolyl isomerases. Curr Opin Struct Biol 2024; 84:102739. [PMID: 38061261 DOI: 10.1016/j.sbi.2023.102739] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2023] [Revised: 11/06/2023] [Accepted: 11/13/2023] [Indexed: 02/09/2024]
Abstract
Tau is an intrinsically disordered protein found abundantly in axons, where it binds to microtubules. Since tau is a central player in the dynamic microtubule network, it is highly regulated by post-translational modifications. Abnormal hyperphosphorylation and aggregation of tau characterize a group of diseases called tauopathies. A specific protein family of cis/trans peptidyl-prolyl isomerases (PPIases) can interact with tau to regulate its aggregation and neuronal resilience. Structural interactions between tau and specific PPIases have been determined, establishing possible mechanisms for tau regulation and modification. While there have been numerous in vivo studies evaluating the impact of PPIase expression on tau biology/pathology, the direct roles of PPIases have yet to be fully characterized. Different PPIases correlate to either increased or decreased levels of tau-associated degeneration. Therefore, the ability of PPIases to structurally modify and regulate tau should be further investigated due to its potential therapeutic implications for Alzheimer's disease and other tauopathies.
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Affiliation(s)
- Shannon Zhuang
- German Center for Neurodegenerative Diseases (DZNE), Von-Siebold-Str. 3a, 37075 Göttingen, Germany
| | - Pijush Chakraborty
- Department for NMR-based Structural Biology, Max Planck Institute for Multidisciplinary Sciences, Am Faßberg 11, 37077 Göttingen, Germany
| | - Markus Zweckstetter
- German Center for Neurodegenerative Diseases (DZNE), Von-Siebold-Str. 3a, 37075 Göttingen, Germany; Department for NMR-based Structural Biology, Max Planck Institute for Multidisciplinary Sciences, Am Faßberg 11, 37077 Göttingen, Germany.
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Jones MB, Gates R, Gibson L, Broadway D, Bhatti G, Tea J, Guerra A, Li R, Varman B, Elammari M, Jorge RE, Marsh L. Post-Traumatic Stress Disorder and Risk of Degenerative Synucleinopathies: Systematic Review and Meta-Analysis. Am J Geriatr Psychiatry 2023; 31:978-990. [PMID: 37236879 DOI: 10.1016/j.jagp.2023.04.016] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/30/2023] [Accepted: 04/25/2023] [Indexed: 05/28/2023]
Abstract
OBJECTIVE A systematic review was conducted to answer whether adult-onset post-traumatic stress disorder (PTSD) is associated with increased risk of Parkinson's disease (PD) and related synucleinopathies. DESIGN A systematic search of Medline (Ovid), Embase (Elsevier), PsycInfo (Ovid), Cochrane Library (Wiley), and Web of Science (Clarivate) was performed using MeSH headings and equivalent terms for PTSD, PD, DLB, and related disorders. SETTING No restrictions. PARTICIPANTS Eligible articles were published in peer-reviewed journals, sampled adult human populations, and treated PTSD and degenerative synucleinopathies as exposures and outcomes, respectively. MEASUREMENTS Extracted data included diagnostic methods, sample characteristics, matching procedures, covariates, and effect estimates. Bias assessment was performed with the Newcastle-Ottawa scale. Hazard ratios were pooled using the random effects model, and the Hartung-Knapp adjustment was applied due to the small number of studies. RESULTS A total of six articles comprising seven unique samples (total n = 1,747,378) met eligibility criteria. The risk of PD was reported in three retrospective cohort studies and one case-control study. Risk of DLB was reported in one retrospective cohort, one case-control, and one prospective cohort study. No studies addressed potential relationships with multiple system atrophy or pure autonomic failure. Meta-analysis of hazard ratios from four retrospective cohort studies supported the hypothesis that incident PTSD was associated with PD and DLB risk (pooled HR 1.88, 95% C.I. 1.08-3.24; p = 0.035). CONCLUSIONS The sparse literature to-date supports further investigations on the association of mid- to late-life PTSD with Parkinson's and related neurodegenerative disorders.
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Affiliation(s)
- Melissa B Jones
- Michael E. DeBakey VA Medical Center (MBJ, AG, REJ, LM), Houston, TX; Baylor College of Medicine (MBJ, DB, GB, ME, REJ, LM), Houston, TX.
| | - Rachel Gates
- UCHealth University of Colorado Hospital (RG), Aurora, CO
| | | | - Dakota Broadway
- Baylor College of Medicine (MBJ, DB, GB, ME, REJ, LM), Houston, TX
| | - Gursimrat Bhatti
- Baylor College of Medicine (MBJ, DB, GB, ME, REJ, LM), Houston, TX
| | - Juliann Tea
- UT Southwestern Medical Center (JT), Dallas, TX
| | - Ana Guerra
- Michael E. DeBakey VA Medical Center (MBJ, AG, REJ, LM), Houston, TX
| | - Ruosha Li
- University of Texas Health Science Center at Houston (RL), Houston TX
| | | | - Mohamed Elammari
- Baylor College of Medicine (MBJ, DB, GB, ME, REJ, LM), Houston, TX
| | - Ricardo E Jorge
- Michael E. DeBakey VA Medical Center (MBJ, AG, REJ, LM), Houston, TX; Baylor College of Medicine (MBJ, DB, GB, ME, REJ, LM), Houston, TX
| | - Laura Marsh
- Michael E. DeBakey VA Medical Center (MBJ, AG, REJ, LM), Houston, TX; Baylor College of Medicine (MBJ, DB, GB, ME, REJ, LM), Houston, TX
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Soto OB, Ramirez CS, Koyani R, Rodriguez-Palomares IA, Dirmeyer JR, Grajeda B, Roy S, Cox MB. Structure and function of the TPR-domain immunophilins FKBP51 and FKBP52 in normal physiology and disease. J Cell Biochem 2023:10.1002/jcb.30406. [PMID: 37087733 PMCID: PMC10903107 DOI: 10.1002/jcb.30406] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2022] [Revised: 03/22/2023] [Accepted: 04/04/2023] [Indexed: 04/24/2023]
Abstract
Coordinated cochaperone interactions with Hsp90 and associated client proteins are crucial for a multitude of signaling pathways in normal physiology, as well as in disease settings. Research on the molecular mechanisms regulated by the Hsp90 multiprotein complexes has demonstrated increasingly diverse roles for cochaperones throughout Hsp90-regulated signaling pathways. Thus, the Hsp90-associated cochaperones have emerged as attractive therapeutic targets in a wide variety of disease settings. The tetratricopeptide repeat (TPR)-domain immunophilins FKBP51 and FKBP52 are of special interest among the Hsp90-associated cochaperones given their Hsp90 client protein specificity, ubiquitous expression across tissues, and their increasingly important roles in neuronal signaling, intracellular calcium release, peptide bond isomerization, viral replication, steroid hormone receptor function, and cell proliferation to name a few. This review summarizes the current knowledge of the structure and molecular functions of TPR-domain immunophilins FKBP51 and FKBP52, recent findings implicating these immunophilins in disease, and the therapeutic potential of targeting FKBP51 and FKBP52 for the treatment of disease.
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Affiliation(s)
- Olga B. Soto
- Border Biomedical Research Center and Department of Biological Sciences, University of Texas at El Paso, El Paso, TX 79968
| | - Christian S. Ramirez
- Border Biomedical Research Center and Department of Biological Sciences, University of Texas at El Paso, El Paso, TX 79968
| | - Rina Koyani
- Border Biomedical Research Center and Department of Biological Sciences, University of Texas at El Paso, El Paso, TX 79968
| | - Isela A. Rodriguez-Palomares
- Border Biomedical Research Center and Department of Biological Sciences, University of Texas at El Paso, El Paso, TX 79968
| | - Jessica R. Dirmeyer
- Border Biomedical Research Center and Department of Biological Sciences, University of Texas at El Paso, El Paso, TX 79968
| | - Brian Grajeda
- Border Biomedical Research Center and Department of Biological Sciences, University of Texas at El Paso, El Paso, TX 79968
| | - Sourav Roy
- Border Biomedical Research Center and Department of Biological Sciences, University of Texas at El Paso, El Paso, TX 79968
| | - Marc B. Cox
- Border Biomedical Research Center and Department of Biological Sciences, University of Texas at El Paso, El Paso, TX 79968
- Department of Pharmaceutical Sciences, School of Pharmacy, University of Texas at El Paso, El Paso, TX 79968
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Mazzetti S, Calogero AM, Pezzoli G, Cappelletti G. Cross-talk between α-synuclein and the microtubule cytoskeleton in neurodegeneration. Exp Neurol 2023; 359:114251. [PMID: 36243059 DOI: 10.1016/j.expneurol.2022.114251] [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: 05/17/2022] [Revised: 10/03/2022] [Accepted: 10/06/2022] [Indexed: 12/30/2022]
Abstract
Looking at the puzzle that depicts the molecular determinants in neurodegeneration, many pieces are lacking and multiple interconnections among key proteins and intracellular pathways still remain unclear. Here we focus on the concerted action of α-synuclein and the microtubule cytoskeleton, whose interplay, indeed, is emerging but remains largely unexplored in both its physiology and pathology. α-Synuclein is a key protein involved in neurodegeneration, underlying those diseases termed synucleinopathies. Its propensity to interact with other proteins and structures renders the identification of neuronal death trigger extremely difficult. Conversely, the unbalance of microtubule cytoskeleton in terms of structure, dynamics and function is emerging as a point of convergence in neurodegeneration. Interestingly, α-synuclein and microtubules have been shown to interact and mediate cross-talks with other intracellular structures. This is supported by an increasing amount of evidence ranging from their direct interaction to the engagement of in-common partners and culminating with their respective impact on microtubule-dependent neuronal functions. Last, but not least, it is becoming even more clear that α-synuclein and tubulin work synergically towards pathological aggregation, ultimately resulting in neurodegeneration. In this respect, we supply a novel perspective towards the understanding of α-synuclein biology and, most importantly, of the link between α-synuclein with microtubule cytoskeleton and its impact for neurodegeneration and future development of novel therapeutic strategies.
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Affiliation(s)
- Samanta Mazzetti
- Department of Biosciences, Università degli Studi di Milano, Milan, Italy; Fondazione Grigioni per il Morbo di Parkinson, Milan, Italy
| | | | - Gianni Pezzoli
- Fondazione Grigioni per il Morbo di Parkinson, Milan, Italy
| | - Graziella Cappelletti
- Department of Biosciences, Università degli Studi di Milano, Milan, Italy; Center of Excellence on Neurodegenerative Diseases, Università degli Studi di Milano, Milano, Italy.
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Meduri G, Guillemeau K, Daguinot C, Dounane O, Genet M, Ferrara L, Chambraud B, Baulieu EE, Giustiniani J. Concomitant Neuronal Tau Deposition and FKBP52 Decrease Is an Early Feature of Different Human and Experimental Tauopathies. J Alzheimers Dis 2023; 94:313-331. [PMID: 37248902 PMCID: PMC10357213 DOI: 10.3233/jad-230127] [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] [Accepted: 04/22/2023] [Indexed: 05/31/2023]
Abstract
BACKGROUND Pathological tau proteins constitute neurofibrillary tangles that accumulate in tauopathies including Alzheimer's disease (AD), progressive supranuclear palsy (PSP), and familial frontotemporal lobar degeneration (FTLD-Tau). We previously showed that the FKBP52 immunophilin interacts functionally with tau and strongly decreases in AD brain neurons in correlation with tau deposition. We also reported that FKBP52 co-localizes with autophagy-lysosomal markers and an early pathological tau isoform in AD neurons, suggesting its involvement in autophagic tau clearance. OBJECTIVE Our objective was to evaluate if differences in neuronal FKBP52 expression levels and subcellular localization might be detected in AD, PSP, familial FTLD-Tau, and in the hTau-P301 S mouse model compared to controls. METHODS Cell by cell immunohistofluorescence analyses and quantification of FKBP52 were performed on postmortem brain samples of some human tauopathies and on hTau-P301 S mice spinal cords. RESULTS We describe a similar FKBP52 decrease and its localization with early pathological tau forms in the neuronal autophagy-lysosomal pathway in various tauopathies and hTau-P301 S mice. We find that FKBP52 decreases early during the pathologic process as it occurs in rare neurons with tau deposits in the marginally affected frontal cortex region of AD Braak IV brains and in the spinal cord of symptomless 1-month-old hTau-P301 S mice. CONCLUSION As FKBP52 plays a significant role in cellular signaling and conceivably in tau clearance, our data support the idea that the prevention of FKBP52 decrease or the restoration of its normal expression at early pathologic stages might represent a new potential therapeutic approach in tauopathies including AD, familial FTLD-Tau, and PSP.
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Affiliation(s)
- Geri Meduri
- Institut Professeur Baulieu, Kremlin-Bicêtre, France
| | | | | | - Omar Dounane
- Institut Professeur Baulieu, Kremlin-Bicêtre, France
| | - Melanie Genet
- Institut Professeur Baulieu, Kremlin-Bicêtre, France
| | - Luigi Ferrara
- Department of Biosciences, Biotechnology and Biopharmacology, UNIBA University, Bari, Italy
| | | | - Etienne Emile Baulieu
- Université Paris-Saclay, INSERM U1195, Kremlin-Bicêtre, France
- Institut Professeur Baulieu, Kremlin-Bicêtre, France
| | - Julien Giustiniani
- Université Paris-Saclay, INSERM U1195, Kremlin-Bicêtre, France
- Institut Professeur Baulieu, Kremlin-Bicêtre, France
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