1
|
Zu L, Shi H, Yang J, Zhang C, Fu Y, Xi N, Liu L, Wang W. Unidirectional diphenylalanine nanotubes for dynamically guiding neurite outgrowth. Biomed Mater 2022; 18. [PMID: 36541466 DOI: 10.1088/1748-605x/aca737] [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: 08/24/2022] [Accepted: 11/29/2022] [Indexed: 12/02/2022]
Abstract
Neural networks have been culturedin vitroto investigate brain functions and diseases, clinical treatments for brain damage, and device development. However, it remains challenging to form complex neural network structures with desired orientations and connectionsin vitro. Here, we introduce a dynamic strategy by using diphenylalanine (FF) nanotubes for controlling physical patterns on a substrate to regulate neurite-growth orientation in cultivating neural networks. Parallel FF nanotube patterns guide neurons to develop neurites through the unidirectional FF nanotubes while restricting their polarization direction. Subsequently, the FF nanotubes disassemble and the restriction of neurites disappear, and secondary neurite development of the neural network occurs in other direction. Experiments were conducted that use the hippocampal neurons, and the results demonstrated that the cultured neural networks by using the proposed dynamic approach can form a significant cross-connected structure with substantially more lateral neural connections than static substrates. The proposed dynamic approach for neurite outgrowing enables the construction of oriented innervation and cross-connected neural networksin vitroand may explore the way for the bio-fabrication of highly complex structures in tissue engineering.
Collapse
Affiliation(s)
- Lipeng Zu
- State Key Laboratory of Robotics, Shenyang Institute of Automation, Chinese Academy of Sciences, Shenyang 110016, People's Republic of China.,Institutes for Robotics and Intelligent Manufacturing, Chinese Academy of Sciences, Shenyang 110169, People's Republic of China.,University of Chinese Academy of Sciences, Beijing 100049, People's Republic of China
| | - Huiyao Shi
- State Key Laboratory of Robotics, Shenyang Institute of Automation, Chinese Academy of Sciences, Shenyang 110016, People's Republic of China.,Institutes for Robotics and Intelligent Manufacturing, Chinese Academy of Sciences, Shenyang 110169, People's Republic of China.,University of Chinese Academy of Sciences, Beijing 100049, People's Republic of China
| | - Jia Yang
- State Key Laboratory of Robotics, Shenyang Institute of Automation, Chinese Academy of Sciences, Shenyang 110016, People's Republic of China.,Institutes for Robotics and Intelligent Manufacturing, Chinese Academy of Sciences, Shenyang 110169, People's Republic of China.,University of Chinese Academy of Sciences, Beijing 100049, People's Republic of China
| | - Chuang Zhang
- State Key Laboratory of Robotics, Shenyang Institute of Automation, Chinese Academy of Sciences, Shenyang 110016, People's Republic of China.,Institutes for Robotics and Intelligent Manufacturing, Chinese Academy of Sciences, Shenyang 110169, People's Republic of China
| | - Yuanyuan Fu
- Department of Histology and Embryology, Basic Medical College, China Medical University, Shenyang 110122, People's Republic of China
| | - Ning Xi
- Department of Industrial and Manufacturing Systems Engineering, University of Hong Kong, Pokfulam Road, Hong Kong, People's Republic of China
| | - Lianqing Liu
- State Key Laboratory of Robotics, Shenyang Institute of Automation, Chinese Academy of Sciences, Shenyang 110016, People's Republic of China.,Institutes for Robotics and Intelligent Manufacturing, Chinese Academy of Sciences, Shenyang 110169, People's Republic of China
| | - Wenxue Wang
- State Key Laboratory of Robotics, Shenyang Institute of Automation, Chinese Academy of Sciences, Shenyang 110016, People's Republic of China.,Institutes for Robotics and Intelligent Manufacturing, Chinese Academy of Sciences, Shenyang 110169, People's Republic of China
| |
Collapse
|
2
|
Patel M, Ahn S, Koh WG. Topographical pattern for neuronal tissue engineering. J IND ENG CHEM 2022. [DOI: 10.1016/j.jiec.2022.07.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
|
3
|
Chitosan Micro-Grooved Membranes with Increased Asymmetry for the Improvement of the Schwann Cell Response in Nerve Regeneration. Int J Mol Sci 2021; 22:ijms22157901. [PMID: 34360664 PMCID: PMC8348329 DOI: 10.3390/ijms22157901] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2021] [Revised: 07/14/2021] [Accepted: 07/19/2021] [Indexed: 01/14/2023] Open
Abstract
Peripheral nerve injuries are a common condition in which a nerve is damaged, affecting more than one million people every year. There are still no efficient therapeutic treatments for these injuries. Artificial scaffolds can offer new opportunities for nerve regeneration applications; in this framework, chitosan is emerging as a promising biomaterial. Here, we set up a simple and effective method for the production of micro-structured chitosan films by solvent casting, with high fidelity in the micro-pattern reproducibility. Three types of chitosan directional micro-grooved patterns, presenting different levels of symmetricity, were developed for application in nerve regenerative medicine: gratings (GR), isosceles triangles (ISO) and scalene triangles (SCA). The directional patterns were tested with a Schwann cell line. The most asymmetric topography (SCA), although it polarized the cell shaping less efficiently, promoted higher cell proliferation and a faster cell migration, both individually and collectively, with a higher directional persistence of motion. Overall, the use of micro-structured asymmetrical directional topographies may be exploited to enhance the nerve regeneration process mediated by chitosan scaffolds.
Collapse
|
4
|
Mezzena R, Masciullo C, Antonini S, Cremisi F, Scheffner M, Cecchini M, Tonazzini I. Study of adhesion and migration dynamics in ubiquitin E3A ligase (UBE3A)-silenced SYSH5Y neuroblastoma cells by micro-structured surfaces. NANOTECHNOLOGY 2021; 32:025708. [PMID: 33055385 DOI: 10.1088/1361-6528/abbb03] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
During neuronal development, neuronal cells read extracellular stimuli from the micro/nano-environment within which they exist, retrieving essential directionality and wiring information. Here, focal adhesions (FAs-protein clusters anchoring integrins to cytoskeleton) act as sensors, by integrating signals from both the extracellular matrix environment and chemotactic factors, contributing to the final neuronal pathfinding and migration. In the processes that orchestrate neuronal development, the important function of ubiquitin E3A ligase (UBE3A) is emerging. UBE3A has crucial functions in the brain and changes in its expression levels lead to neurodevelopmental disorders: the lack of UBE3A leads to Angelman syndrome (AS, OMIN 105830), while its increase causes autisms (Dup15q-autism). By using nano/micro-structured anisotropic substrates we previously showed that UBE3A-deficient neurons have deficits in contact guidance (Tonazzini et al, Mol Autism 2019). Here, we investigate the adhesion and migration dynamics of UBE3A-silenced SH-SY5Y neuroblastoma cells in vitro by exploiting nano/micro-grooved substrates. We analyze the molecular processes regulating the development of FAs by transfection with EGFP-vector encoding for paxillin, a protein of FA clusters, and by live-cell total-internal-reflection-fluorescence microscopy. We show that UBE3A-silenced SH-SY5Y cells have impaired FA morphological development and pathway activation, which lead to a delayed adhesion and also explain the defective contact guidance in response to directional topographical stimuli. However, UBE3A-silenced SH-SY5Y cells show an overall normal migration behavior, in terms of speed and ability to follow the GRs directional stimulus. Only the collective cell migration upon cell gaps was slightly delayed for UBE3Ash SHs. Overall, the deficits of UBE3Ash SHS-SY5Y cells in FA maturation/sensing and in collective migration may have patho-physiological implications, in AS condition, considering the much more complex stimuli that neurons find in vivo during the neurodevelopment.
Collapse
Affiliation(s)
- R Mezzena
- NEST, Istituto Nanoscienze- CNR and Scuola Normale Superiore, Pisa, Italy
| | - C Masciullo
- NEST, Istituto Nanoscienze- CNR and Scuola Normale Superiore, Pisa, Italy
| | - S Antonini
- NEST, Istituto Nanoscienze- CNR and Scuola Normale Superiore, Pisa, Italy
| | - F Cremisi
- Scuola Normale Superiore, Bio@SNS, Pisa, Italy
| | - M Scheffner
- University of Konstanz, Department of Biology, Konstanz, Germany
| | - M Cecchini
- NEST, Istituto Nanoscienze- CNR and Scuola Normale Superiore, Pisa, Italy
| | - I Tonazzini
- NEST, Istituto Nanoscienze- CNR and Scuola Normale Superiore, Pisa, Italy
- Fondazione Umberto Veronesi, Milano, Italy
| |
Collapse
|
5
|
Physical understanding of axonal growth patterns on grooved substrates: groove ridge crossing versus longitudinal alignment. Biodes Manuf 2020. [DOI: 10.1007/s42242-020-00089-1] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
|
6
|
Clark SL, Hattab MW, Chan RF, Shabalin AA, Han LKM, Zhao M, Smit JH, Jansen R, Milaneschi Y, Xie LY, van Grootheest G, Penninx BWJH, Aberg KA, van den Oord EJCG. A methylation study of long-term depression risk. Mol Psychiatry 2020; 25:1334-1343. [PMID: 31501512 PMCID: PMC7061076 DOI: 10.1038/s41380-019-0516-z] [Citation(s) in RCA: 40] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/20/2017] [Revised: 03/11/2019] [Accepted: 07/22/2019] [Indexed: 12/20/2022]
Abstract
Recurrent and chronic major depressive disorder (MDD) accounts for a substantial part of the disease burden because this course is most prevalent and typically requires long-term treatment. We associated blood DNA methylation profiles from 581 MDD patients at baseline with MDD status 6 years later. A resampling approach showed a highly significant association between methylation profiles in blood at baseline and future disease status (P = 2.0 × 10-16). Top MWAS results were enriched specific pathways, overlapped with genes found in GWAS of MDD disease status, autoimmune disease and inflammation, and co-localized with eQTLS and (genic enhancers of) of transcription sites in brain and blood. Many of these findings remained significant after correction for multiple testing. The major themes emerging were cellular responses to stress and signaling mechanisms linked to immune cell migration and inflammation. This suggests that an immune signature of treatment-resistant depression is already present at baseline. We also created a methylation risk score (MRS) to predict MDD status 6 years later. The AUC of our MRS was 0.724 and higher than risk scores created using a set of five putative MDD biomarkers, genome-wide SNP data, and 27 clinical, demographic and lifestyle variables. Although further studies are needed to examine the generalizability to different patient populations, these results suggest that methylation profiles in blood may present a promising avenue to support clinical decision making by providing empirical information about the likelihood MDD is chronic or will recur in the future.
Collapse
Affiliation(s)
- Shaunna L Clark
- Center for Biomarker Research and Precision Medicine, Virginia Commonwealth University, Richmond, VA, USA
| | - Mohammad W Hattab
- Center for Biomarker Research and Precision Medicine, Virginia Commonwealth University, Richmond, VA, USA
| | - Robin F Chan
- Center for Biomarker Research and Precision Medicine, Virginia Commonwealth University, Richmond, VA, USA
| | - Andrey A Shabalin
- Center for Biomarker Research and Precision Medicine, Virginia Commonwealth University, Richmond, VA, USA
| | - Laura KM Han
- Department of Psychiatry, VU University Medical Center / GGZ inGeest, Amsterdam, the Netherlands 1081 HV
| | - Min Zhao
- Center for Biomarker Research and Precision Medicine, Virginia Commonwealth University, Richmond, VA, USA
| | - Johannes H Smit
- Department of Psychiatry, VU University Medical Center / GGZ inGeest, Amsterdam, the Netherlands 1081 HV
| | - Rick Jansen
- Department of Psychiatry, VU University Medical Center / GGZ inGeest, Amsterdam, the Netherlands 1081 HV
| | - Yuri Milaneschi
- Department of Psychiatry, VU University Medical Center / GGZ inGeest, Amsterdam, the Netherlands 1081 HV
| | - Lin Ying Xie
- Center for Biomarker Research and Precision Medicine, Virginia Commonwealth University, Richmond, VA, USA
| | - Gerard van Grootheest
- Department of Psychiatry, VU University Medical Center / GGZ inGeest, Amsterdam, the Netherlands 1081 HV
| | - Brenda WJH Penninx
- Department of Psychiatry, VU University Medical Center / GGZ inGeest, Amsterdam, the Netherlands 1081 HV
| | - Karolina A Aberg
- Center for Biomarker Research and Precision Medicine, Virginia Commonwealth University, Richmond, VA, USA
| | - Edwin JCG van den Oord
- Center for Biomarker Research and Precision Medicine, Virginia Commonwealth University, Richmond, VA, USA
| |
Collapse
|
7
|
Tonazzini I, Masciullo C, Savi E, Sonato A, Romanato F, Cecchini M. Neuronal contact guidance and YAP signaling on ultra-small nanogratings. Sci Rep 2020; 10:3742. [PMID: 32111918 PMCID: PMC7048778 DOI: 10.1038/s41598-020-60745-5] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2019] [Accepted: 02/03/2020] [Indexed: 01/09/2023] Open
Abstract
Contact interaction of neuronal cells with extracellular nanometric features can be exploited to investigate and modulate cellular responses. By exploiting nanogratings (NGs) with linewidth from 500 nm down to 100 nm, we here study neurite contact guidance along ultra-small directional topographies. The impact of NG lateral dimension on the neuronal morphotype, neurite alignment, focal adhesion (FA) development and YAP activation is investigated in nerve growth factor (NGF)-differentiating PC12 cells and in primary hippocampal neurons, by confocal and live-cell total internal reflection fluorescence (TIRF) microscopy, and at molecular level. We demonstrate that loss of neurite guidance occurs in NGs with periodicity below 400 nm and correlates with a loss of FA lateral constriction and spatial organization. We found that YAP intracellular localization is modulated by the presence of NGs, but it is not sensitive to their periodicity. Nocodazole, a drug that can increase cell contractility, is finally tested for rescuing neurite alignment showing mild ameliorative effects. Our results provide new indications for a rational design of biocompatible scaffolds for enhancing nerve-regeneration processes.
Collapse
Affiliation(s)
- Ilaria Tonazzini
- NEST, Istituto Nanoscienze-CNR and Scuola Normale Superiore, Piazza San Silvestro 12, Pisa, 56127, Italy
| | - Cecilia Masciullo
- NEST, Istituto Nanoscienze-CNR and Scuola Normale Superiore, Piazza San Silvestro 12, Pisa, 56127, Italy
| | - Eleonora Savi
- NEST, Istituto Nanoscienze-CNR and Scuola Normale Superiore, Piazza San Silvestro 12, Pisa, 56127, Italy
| | - Agnese Sonato
- CNR-IOM, Area Science Park, S.S. 14, km 163.5, Basovizza, TS, Italy
| | - Filippo Romanato
- CNR-IOM, Area Science Park, S.S. 14, km 163.5, Basovizza, TS, Italy
| | - Marco Cecchini
- NEST, Istituto Nanoscienze-CNR and Scuola Normale Superiore, Piazza San Silvestro 12, Pisa, 56127, Italy.
| |
Collapse
|
8
|
Tonazzini I, Van Woerden GM, Masciullo C, Mientjes EJ, Elgersma Y, Cecchini M. The role of ubiquitin ligase E3A in polarized contact guidance and rescue strategies in UBE3A-deficient hippocampal neurons. Mol Autism 2019; 10:41. [PMID: 31798818 PMCID: PMC6884852 DOI: 10.1186/s13229-019-0293-1] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2019] [Accepted: 10/17/2019] [Indexed: 11/10/2022] Open
Abstract
Background Although neuronal extracellular sensing is emerging as crucial for brain wiring and therefore plasticity, little is known about these processes in neurodevelopmental disorders. Ubiquitin protein ligase E3A (UBE3A) plays a key role in neurodevelopment. Lack of UBE3A leads to Angelman syndrome (AS), while its increase is among the most prevalent genetic causes of autism (e.g., Dup15q syndrome). By using microstructured substrates that can induce specific directional stimuli in cells, we previously found deficient topographical contact guidance in AS neurons, which was linked to a dysregulated activation of the focal adhesion pathway. Methods Here, we study axon and dendrite contact guidance and neuronal morphological features of wild-type, AS, and UBE3A-overexpressing neurons (Dup15q autism model) on micrograting substrates, with the aim to clarify the role of UBE3A in neuronal guidance. Results We found that loss of axonal contact guidance is specific for AS neurons while UBE3A overexpression does not affect neuronal directional polarization along microgratings. Deficits at the level of axonal branching, growth cone orientation and actin fiber content, focal adhesion (FA) effectors, and actin fiber-binding proteins were observed in AS neurons. We tested different rescue strategies for restoring correct topographical guidance in AS neurons on microgratings, by either UBE3A protein re-expression or by pharmacological treatments acting on cytoskeleton contractility. Nocodazole, a drug that depolymerizes microtubules and increases cell contractility, rescued AS axonal alignment to the gratings by partially restoring focal adhesion pathway activation. Surprisingly, UBE3A re-expression only resulted in partial rescue of the phenotype. Conclusions We identified a specific in vitro deficit in axonal topographical guidance due selectively to the loss of UBE3A, and we further demonstrate that this defective guidance can be rescued to a certain extent by pharmacological or genetic treatment strategies. Overall, cytoskeleton dynamics emerge as important partners in UBE3A-mediated contact guidance responses. These results support the view that UBE3A-related deficits in early neuronal morphogenesis may lead to defective neuronal connectivity and plasticity.
Collapse
Affiliation(s)
- Ilaria Tonazzini
- Istituto Nanoscienze- Consiglio Nazionale delle Ricerche (CNR) & Scuola Normale Superiore, NEST, Piazza San Silvestro 12, 56127 Pisa, Italy
- Department of Neuroscience, ENCORE Expertise Center for Neurodevelopmental Disorders, Erasmus MC, Wytemaweg 80, 3000 CA Rotterdam, the Netherlands
| | - Geeske M. Van Woerden
- Department of Neuroscience, ENCORE Expertise Center for Neurodevelopmental Disorders, Erasmus MC, Wytemaweg 80, 3000 CA Rotterdam, the Netherlands
| | - Cecilia Masciullo
- Istituto Nanoscienze- Consiglio Nazionale delle Ricerche (CNR) & Scuola Normale Superiore, NEST, Piazza San Silvestro 12, 56127 Pisa, Italy
| | - Edwin J. Mientjes
- Department of Neuroscience, ENCORE Expertise Center for Neurodevelopmental Disorders, Erasmus MC, Wytemaweg 80, 3000 CA Rotterdam, the Netherlands
| | - Ype Elgersma
- Department of Neuroscience, ENCORE Expertise Center for Neurodevelopmental Disorders, Erasmus MC, Wytemaweg 80, 3000 CA Rotterdam, the Netherlands
| | - Marco Cecchini
- Istituto Nanoscienze- Consiglio Nazionale delle Ricerche (CNR) & Scuola Normale Superiore, NEST, Piazza San Silvestro 12, 56127 Pisa, Italy
| |
Collapse
|
9
|
Chighizola M, Dini T, Lenardi C, Milani P, Podestà A, Schulte C. Mechanotransduction in neuronal cell development and functioning. Biophys Rev 2019; 11:701-720. [PMID: 31617079 PMCID: PMC6815321 DOI: 10.1007/s12551-019-00587-2] [Citation(s) in RCA: 52] [Impact Index Per Article: 10.4] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2019] [Accepted: 08/29/2019] [Indexed: 12/21/2022] Open
Abstract
Although many details remain still elusive, it became increasingly evident in recent years that mechanosensing of microenvironmental biophysical cues and subsequent mechanotransduction are strongly involved in the regulation of neuronal cell development and functioning. This review gives an overview about the current understanding of brain and neuronal cell mechanobiology and how it impacts on neurogenesis, neuronal migration, differentiation, and maturation. We will focus particularly on the events in the cell/microenvironment interface and the decisive extracellular matrix (ECM) parameters (i.e. rigidity and nanometric spatial organisation of adhesion sites) that modulate integrin adhesion complex-based mechanosensing and mechanotransductive signalling. It will also be outlined how biomaterial approaches mimicking essential ECM features help to understand these processes and how they can be used to control and guide neuronal cell behaviour by providing appropriate biophysical cues. In addition, principal biophysical methods will be highlighted that have been crucial for the study of neuronal mechanobiology.
Collapse
Affiliation(s)
- Matteo Chighizola
- Interdisciplinary Centre for Nanostructured Materials and Interfaces (C.I.Ma.I.Na.) and Department of Physics ``Aldo Pontremoli'', Università degli Studi di Milano, via Celoria 16, 20133, Milan, Italy
| | - Tania Dini
- Interdisciplinary Centre for Nanostructured Materials and Interfaces (C.I.Ma.I.Na.) and Department of Physics ``Aldo Pontremoli'', Università degli Studi di Milano, via Celoria 16, 20133, Milan, Italy
| | - Cristina Lenardi
- Interdisciplinary Centre for Nanostructured Materials and Interfaces (C.I.Ma.I.Na.) and Department of Physics ``Aldo Pontremoli'', Università degli Studi di Milano, via Celoria 16, 20133, Milan, Italy
| | - Paolo Milani
- Interdisciplinary Centre for Nanostructured Materials and Interfaces (C.I.Ma.I.Na.) and Department of Physics ``Aldo Pontremoli'', Università degli Studi di Milano, via Celoria 16, 20133, Milan, Italy
| | - Alessandro Podestà
- Interdisciplinary Centre for Nanostructured Materials and Interfaces (C.I.Ma.I.Na.) and Department of Physics ``Aldo Pontremoli'', Università degli Studi di Milano, via Celoria 16, 20133, Milan, Italy
| | - Carsten Schulte
- Interdisciplinary Centre for Nanostructured Materials and Interfaces (C.I.Ma.I.Na.) and Department of Physics ``Aldo Pontremoli'', Università degli Studi di Milano, via Celoria 16, 20133, Milan, Italy.
| |
Collapse
|
10
|
Pellegrini D, Del Grosso A, Angella L, Giordano N, Dilillo M, Tonazzini I, Caleo M, Cecchini M, McDonnell LA. Quantitative Microproteomics Based Characterization of the Central and Peripheral Nervous System of a Mouse Model of Krabbe Disease. Mol Cell Proteomics 2019; 18:1227-1241. [PMID: 30926673 PMCID: PMC6553931 DOI: 10.1074/mcp.ra118.001267] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2018] [Revised: 03/15/2019] [Indexed: 11/06/2022] Open
Abstract
Krabbe disease is a rare, childhood lysosomal storage disorder caused by a deficiency of galactosylceramide beta-galactosidase (GALC). The major effect of GALC deficiency is the accumulation of psychosine in the nervous system and widespread degeneration of oligodendrocytes and Schwann cells, causing rapid demyelination. The molecular mechanisms of Krabbe disease are not yet fully elucidated and a definite cure is still missing. Here we report the first in-depth characterization of the proteome of the Twitcher mouse, a spontaneous mouse model of Krabbe disease, to investigate the proteome changes in the Central and Peripheral Nervous System. We applied a TMT-based workflow to compare the proteomes of the corpus callosum, motor cortex and sciatic nerves of littermate homozygous Twitcher and wild-type mice. More than 400 protein groups exhibited differences in expression and included proteins involved in pathways that can be linked to Krabbe disease, such as inflammatory and defense response, lysosomal proteins accumulation, demyelination, reduced nervous system development and cell adhesion. These findings provide new insights on the molecular mechanisms of Krabbe disease, representing a starting point for future functional experiments to study the molecular pathogenesis of Krabbe disease. Data are available via ProteomeXchange with identifier PXD010594.
Collapse
Affiliation(s)
- Davide Pellegrini
- From ‡NEST, Scuola Normale Superiore, Pisa 56127, Italy
- §Fondazione Pisana per la Scienza ONLUS, 56107 San Giuliano Terme, Pisa, Italy
| | - Ambra Del Grosso
- From ‡NEST, Scuola Normale Superiore, Pisa 56127, Italy
- ¶NEST, Istituto Nanoscienze-CNR, Pisa, Italy
| | | | | | - Marialaura Dilillo
- §Fondazione Pisana per la Scienza ONLUS, 56107 San Giuliano Terme, Pisa, Italy
| | | | | | - Marco Cecchini
- From ‡NEST, Scuola Normale Superiore, Pisa 56127, Italy
- ¶NEST, Istituto Nanoscienze-CNR, Pisa, Italy
| | - Liam A McDonnell
- §Fondazione Pisana per la Scienza ONLUS, 56107 San Giuliano Terme, Pisa, Italy;
- **Center for Proteomics and Metabolomics, Leiden University Medical Center, Leiden, The Netherlands
| |
Collapse
|
11
|
Baranes K, Hibsh D, Cohen S, Yamin T, Efroni S, Sharoni A, Shefi O. Comparing Transcriptome Profiles of Neurons Interfacing Adjacent Cells and Nanopatterned Substrates Reveals Fundamental Neuronal Interactions. NANO LETTERS 2019; 19:1451-1459. [PMID: 30704243 DOI: 10.1021/acs.nanolett.8b03879] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Developing neuronal axons are directed by chemical and physical signals toward a myriad of target cells. According to current dogma, the resulting network architecture is critically shaped by electrical interconnections, the synapses; however, key mechanisms translating neuronal interactions into neuronal growth behavior during network formation are still unresolved. To elucidate these mechanisms, we examined neurons interfacing nanopatterned substrates and compared them to natural interneuron interactions. We grew similar neuronal populations under three connectivity conditions, (1) the neurons are isolated, (2) the neurons are interconnected, and (3) the neurons are connected only to artificial substrates, then quantitatively compared both the cell morphologies and the transcriptome-expression profiles. Our analysis shows that whereas axon-guidance signaling pathways in isolated neurons are predominant, in isolated neurons interfacing nanotopography, these pathways are downregulated, similar to the interconnected neurons. Moreover, in nanotopography, interfacing neuron genes related to synaptogenesis and synaptic regulation are highly expressed, that is, again resembling the behavior of interconnected neurons. These molecular findings demonstrate that interactions with nanotopographies, although not leading to electrical coupling, play a comparable functional role in two major routes, neuronal guidance and network formation, with high relevance to the design of regenerative interfaces.
Collapse
Affiliation(s)
- Koby Baranes
- Faculty of Engineering , Bar-Ilan University , Ramat-Gan 5290002 , Israel
- Bar-Ilan Institute of Nanotechnology and Advanced Materials , Bar-Ilan University , Ramat-Gan 5290002 , Israel
| | - Dror Hibsh
- Bar-Ilan Institute of Nanotechnology and Advanced Materials , Bar-Ilan University , Ramat-Gan 5290002 , Israel
- Faculty of Life Sciences , Bar-Ilan University , Ramat-Gan 5290002 , Israel
| | - Sharon Cohen
- Faculty of Engineering , Bar-Ilan University , Ramat-Gan 5290002 , Israel
- Bar-Ilan Institute of Nanotechnology and Advanced Materials , Bar-Ilan University , Ramat-Gan 5290002 , Israel
- Gonda Multidisciplinary Brain Research Center , Bar-Ilan University , Ramat-Gan 5290002 , Israel
| | - Tony Yamin
- Bar-Ilan Institute of Nanotechnology and Advanced Materials , Bar-Ilan University , Ramat-Gan 5290002 , Israel
- Department of Physics , Bar-Ilan University , Ramat-Gan 5290002 , Israel
| | - Sol Efroni
- Bar-Ilan Institute of Nanotechnology and Advanced Materials , Bar-Ilan University , Ramat-Gan 5290002 , Israel
- Faculty of Life Sciences , Bar-Ilan University , Ramat-Gan 5290002 , Israel
| | - Amos Sharoni
- Bar-Ilan Institute of Nanotechnology and Advanced Materials , Bar-Ilan University , Ramat-Gan 5290002 , Israel
- Department of Physics , Bar-Ilan University , Ramat-Gan 5290002 , Israel
| | - Orit Shefi
- Faculty of Engineering , Bar-Ilan University , Ramat-Gan 5290002 , Israel
- Bar-Ilan Institute of Nanotechnology and Advanced Materials , Bar-Ilan University , Ramat-Gan 5290002 , Israel
| |
Collapse
|
12
|
Del Grosso A, Antonini S, Angella L, Tonazzini I, Signore G, Cecchini M. Lithium improves cell viability in psychosine-treated MO3.13 human oligodendrocyte cell line via autophagy activation. J Neurosci Res 2017; 94:1246-60. [PMID: 27638607 DOI: 10.1002/jnr.23910] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2016] [Revised: 08/10/2016] [Accepted: 08/10/2016] [Indexed: 12/30/2022]
Abstract
Globoid cell leukodystrophy (GLD) is a rare, rapidly progressing childhood leukodystrophy triggered by deficit of the lysosomal enzyme galactosylceramidase (GALC) and characterized by the accumulation of galactosylsphingosine (psychosine; PSY) in the nervous system. PSY is a cytotoxic sphingolipid, which leads to widespread degeneration of oligodendrocytes and Schwann cells, causing demyelination. Here we report on autophagy in the human oligodendrocyte cell line MO3.13 treated with PSY and exploitation of Li as an autophagy modulator to rescue cell viability. We demonstrate that PSY causes upregulation of the autophagic flux at the level of autophagosome and autolysosome formation and LC3-II expression. We show that pretreatment with Li, a drug clinically used to treat bipolar disorders, can further stimulate autophagy, improving cell tolerance to PSY. This Li protective effect is found not to be linked to reduction of PSY-induced oxidative stress and might not stem from a reduction of PSY accumulation. These data provide novel information on the intracellular pathways activated during PSY-induced toxicity and suggest the autophagy pathway as a promising novel therapeutic target for ameliorating the GLD phenotype. © 2016 Wiley Periodicals, Inc.
Collapse
Affiliation(s)
- Ambra Del Grosso
- NEST, Istituto Nanoscienze-CNR, Pisa, Italy.,NEST, Scuola Normale Superiore, Pisa, Italy
| | | | | | - Ilaria Tonazzini
- NEST, Istituto Nanoscienze-CNR, Pisa, Italy.,Fondazione Umberto Veronesi, Milano, Italy
| | - Giovanni Signore
- Center for Nanotechnology Innovation@NEST, Istituto Italiano di Tecnologia, Pisa, Italy
| | - Marco Cecchini
- NEST, Istituto Nanoscienze-CNR, Pisa, Italy. .,NEST, Scuola Normale Superiore, Pisa, Italy.
| |
Collapse
|
13
|
Masciullo C, Dell'Anna R, Tonazzini I, Böettger R, Pepponi G, Cecchini M. Hierarchical thermoplastic rippled nanostructures regulate Schwann cell adhesion, morphology and spatial organization. NANOSCALE 2017; 9:14861-14874. [PMID: 28948996 DOI: 10.1039/c7nr02822a] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
Periodic ripples are a variety of anisotropic nanostructures that can be realized by ion beam irradiation on a wide range of solid surfaces. Only a few authors have investigated these surfaces for tuning the response of biological systems, probably because it is challenging to directly produce them in materials that well sustain long-term cellular cultures. Here, hierarchical rippled nanotopographies with a lateral periodicity of ∼300 nm are produced from a gold-irradiated germanium mold in polyethylene terephthalate (PET), a biocompatible polymer approved by the US Food and Drug Administration for clinical applications, by a novel three-step embossing process. The effects of nano-ripples on Schwann Cells (SCs) are studied in view of their possible use for nerve-repair applications. The data demonstrate that nano-ripples can enhance short-term SC adhesion and proliferation (3-24 h after seeding), drive their actin cytoskeleton spatial organization and sustain long-term cell growth. Notably, SCs are oriented perpendicularly with respect to the nanopattern lines. These results provide information about the possible use of hierarchical nano-rippled elements for nerve-regeneration protocols.
Collapse
Affiliation(s)
- Cecilia Masciullo
- NEST, Scuola Normale Superiore and Istituto Nanoscienze-CNR, Piazza San Silvestro 12, 56127 Pisa, Italy.
| | | | | | | | | | | |
Collapse
|
14
|
Marcus M, Baranes K, Park M, Choi IS, Kang K, Shefi O. Interactions of Neurons with Physical Environments. Adv Healthc Mater 2017. [PMID: 28640544 DOI: 10.1002/adhm.201700267] [Citation(s) in RCA: 45] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
Nerve growth strongly relies on multiple chemical and physical signals throughout development and regeneration. Currently, a cure for injured neuronal tissue is an unmet need. Recent advances in fabrication technologies and materials led to the development of synthetic interfaces for neurons. Such engineered platforms that come in 2D and 3D forms can mimic the native extracellular environment and create a deeper understanding of neuronal growth mechanisms, and ultimately advance the development of potential therapies for neuronal regeneration. This progress report aims to present a comprehensive discussion of this field, focusing on physical feature design and fabrication with additional information about considerations of chemical modifications. We review studies of platforms generated with a range of topographies, from micro-scale features down to topographical elements at the nanoscale that demonstrate effective interactions with neuronal cells. Fabrication methods are discussed as well as their biological outcomes. This report highlights the interplay between neuronal systems and the important roles played by topography on neuronal differentiation, outgrowth, and development. The influence of substrate structures on different neuronal cells and parameters including cell fate, outgrowth, intracellular remodeling, gene expression and activity is discussed. Matching these effects to specific needs may lead to the emergence of clinical solutions for patients suffering from neuronal injuries or brain-machine interface (BMI) applications.
Collapse
Affiliation(s)
- Michal Marcus
- Faculty of Engineering and Bar-Ilan Institute for Nanotechnology and Advanced Materials; Bar-Ilan University; Ramat-Gan 5290002 Israel
| | - Koby Baranes
- Faculty of Engineering and Bar-Ilan Institute for Nanotechnology and Advanced Materials; Bar-Ilan University; Ramat-Gan 5290002 Israel
| | - Matthew Park
- Center for Cell-Encapsulation Research; Department of Chemistry; KAIST; Daejeon 34141 Korea
| | - Insung S. Choi
- Center for Cell-Encapsulation Research; Department of Chemistry; KAIST; Daejeon 34141 Korea
| | - Kyungtae Kang
- Department of Applied Chemistry; Kyung Hee University; Yongin Gyeonggi 17104 Korea
| | - Orit Shefi
- Faculty of Engineering and Bar-Ilan Institute for Nanotechnology and Advanced Materials; Bar-Ilan University; Ramat-Gan 5290002 Israel
| |
Collapse
|
15
|
Magdalon J, Sánchez-Sánchez SM, Griesi-Oliveira K, Sertié AL. Dysfunctional mTORC1 Signaling: A Convergent Mechanism between Syndromic and Nonsyndromic Forms of Autism Spectrum Disorder? Int J Mol Sci 2017; 18:ijms18030659. [PMID: 28335463 PMCID: PMC5372671 DOI: 10.3390/ijms18030659] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2017] [Revised: 03/13/2017] [Accepted: 03/14/2017] [Indexed: 12/28/2022] Open
Abstract
Whereas autism spectrum disorder (ASD) exhibits striking heterogeneity in genetics and clinical presentation, dysfunction of mechanistic target of rapamycin complex 1 (mTORC1) signaling pathway has been identified as a molecular feature common to several well-characterized syndromes with high prevalence of ASD. Additionally, recent findings have also implicated mTORC1 signaling abnormalities in a subset of nonsyndromic ASD, suggesting that defective mTORC1 pathway may be a potential converging mechanism in ASD pathology across different etiologies. However, the mechanistic evidence for a causal link between aberrant mTORC1 pathway activity and ASD neurobehavioral features varies depending on the ASD form involved. In this review, we first discuss six monogenic ASD-related syndromes, including both classical and potentially novel mTORopathies, highlighting their contribution to our understanding of the neurobiological mechanisms underlying ASD, and then we discuss existing evidence suggesting that aberrant mTORC1 signaling may also play a role in nonsyndromic ASD.
Collapse
Affiliation(s)
- Juliana Magdalon
- Hospital Israelita Albert Einstein, Centro de Pesquisa Experimental, São Paulo 05652-900, Brazil.
| | - Sandra M Sánchez-Sánchez
- Hospital Israelita Albert Einstein, Centro de Pesquisa Experimental, São Paulo 05652-900, Brazil.
- Departamento de Genética e Biologia Evolutiva, Instituto de Biociências, Universidade de São Paulo, São Paulo 05508-090, Brazil.
| | - Karina Griesi-Oliveira
- Hospital Israelita Albert Einstein, Centro de Pesquisa Experimental, São Paulo 05652-900, Brazil.
| | - Andréa L Sertié
- Hospital Israelita Albert Einstein, Centro de Pesquisa Experimental, São Paulo 05652-900, Brazil.
| |
Collapse
|