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Corrigan EK, DeBerardine M, Poddar A, Turrero García M, Schmitz MT, Harwell CC, Paredes MF, Krienen FM, Pollen AA. Conservation, alteration, and redistribution of mammalian striatal interneurons. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2024.07.29.605664. [PMID: 39131311 PMCID: PMC11312536 DOI: 10.1101/2024.07.29.605664] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Indexed: 08/13/2024]
Abstract
Mammalian brains vary in size, structure, and function, but the extent to which evolutionarily novel cell types contribute to this variation remains unresolved1-4. Recent studies suggest there is a primate-specific population of striatal inhibitory interneurons, the TAC3 interneurons5. However, there has not yet been a detailed analysis of the spatial and phylogenetic distribution of this population. Here, we profile single cell gene expression in the developing pig (an ungulate) and ferret (a carnivore), representing 94 million years divergence from primates, and assign newborn inhibitory neurons to initial classes first specified during development6. We find that the initial class of TAC3 interneurons represents an ancestral striatal population that is also deployed towards the cortex in pig and ferret. In adult mouse, we uncover a rare population expressing Tac2, the ortholog of TAC3, in ventromedial striatum, prompting a reexamination of developing mouse striatal interneuron initial classes by targeted enrichment of their precursors. We conclude that the TAC3 interneuron initial class is conserved across Boreoeutherian mammals, with the mouse population representing Th striatal interneurons, a subset of which expresses Tac2. This study suggests that initial classes of telencephalic inhibitory neurons are largely conserved and that during evolution, neuronal types in the mammalian brain change through redistribution and fate refinement, rather than by derivation of novel precursors early in development.
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Affiliation(s)
- Emily K Corrigan
- Eli and Edythe Broad Center for Regeneration Medicine and Stem Cell Research, University of California, San Francisco, San Francisco, CA, USA
- Department of Neurology, University of California, San Francisco, San Francisco, CA, USA
| | | | - Aunoy Poddar
- Eli and Edythe Broad Center for Regeneration Medicine and Stem Cell Research, University of California, San Francisco, San Francisco, CA, USA
- Department of Neurology, University of California, San Francisco, San Francisco, CA, USA
| | - Miguel Turrero García
- Eli and Edythe Broad Center for Regeneration Medicine and Stem Cell Research, University of California, San Francisco, San Francisco, CA, USA
- Department of Neurology, University of California, San Francisco, San Francisco, CA, USA
| | | | - Corey C Harwell
- Eli and Edythe Broad Center for Regeneration Medicine and Stem Cell Research, University of California, San Francisco, San Francisco, CA, USA
- Department of Neurology, University of California, San Francisco, San Francisco, CA, USA
- Weill Institute for Neurosciences, University of California, San Francisco, San Francisco, CA, USA
- Chan Zuckerberg Biohub San Francisco, San Francisco, CA
| | - Mercedes F Paredes
- Eli and Edythe Broad Center for Regeneration Medicine and Stem Cell Research, University of California, San Francisco, San Francisco, CA, USA
- Department of Neurology, University of California, San Francisco, San Francisco, CA, USA
- Weill Institute for Neurosciences, University of California, San Francisco, San Francisco, CA, USA
| | - Fenna M Krienen
- Princeton Neuroscience Institute, Princeton University, Princeton, NJ, USA
| | - Alex A Pollen
- Eli and Edythe Broad Center for Regeneration Medicine and Stem Cell Research, University of California, San Francisco, San Francisco, CA, USA
- Department of Neurology, University of California, San Francisco, San Francisco, CA, USA
- Weill Institute for Neurosciences, University of California, San Francisco, San Francisco, CA, USA
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Zhang X, Wang X, Li Y, Zhang Y, Zhu H, Xie C, Zhou Y, Shen Y, Tong J. Characterization of Retinal VIP-Amacrine Cell Development During the Critical Period. Cell Mol Neurobiol 2024; 44:19. [PMID: 38315298 PMCID: PMC10844409 DOI: 10.1007/s10571-024-01452-x] [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: 10/24/2023] [Accepted: 01/08/2024] [Indexed: 02/07/2024]
Abstract
Retinal vasoactive intestinal peptide amacrine cells (VIP-ACs) play an important role in various retinal light-mediated pathological processes related to different developmental ocular diseases and even mental disorders. It is important to characterize the developmental changes in VIP-ACs to further elucidate their mechanisms of circuit function. We bred VIP-Cre mice with Ai14 and Ai32 to specifically label retinal VIP-ACs. The VIP-AC soma and spine density generally increased, from postnatal day (P)0 to P35, reaching adult levels at P14 and P28, respectively. The VIP-AC soma density curve was different with the VIP-AC spine density curve. The total retinal VIP content reached a high level plateau at P14 but was decreased in adults. From P14 to P16, the resting membrane potential (RMP) became more negative, and the input resistance decreased. Cell membrane capacitance (MC) showed three peaks at P7, P12 and P16. The RMP and MC reached a stable level similar to the adult level at P18, whereas input resistance reached a stable level at P21. The percentage of sustained voltage-dependent potassium currents peaked at P16 and remained stable thereafter. The spontaneous excitatory postsynaptic current and spontaneous inhibitory postsynaptic current frequencies and amplitudes, as well as charge transfer, peaked at P12 to P16; however, there were also secondary peaks at different time points. In conclusion, we found that the second, third and fourth weeks after birth were important periods of VIP-AC development. Many developmental changes occurred around eye opening. The development of soma, dendrite and electrophysiological properties showed uneven dynamics of progression. Cell differentiation may contribute to soma development whereas the changes of different ion channels may play important role for spine development.
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Affiliation(s)
- Xuhong Zhang
- Department of Ophthalmology, The First Affiliated Hospital of Medical College, Zhejiang University, No.79 Qingchun Road, Shangcheng District, Hangzhou, 310003, Zhejiang, China
| | - Xiaoyu Wang
- Department of Ophthalmology, The First Affiliated Hospital of Medical College, Zhejiang University, No.79 Qingchun Road, Shangcheng District, Hangzhou, 310003, Zhejiang, China
- Center for Brain Research and Brain-Machine Integration, School of Brain Science and Brain Medicine, Zhejiang University, No.866 Yuhangtang Road, Xihu District, Hangzhou, 310058, Zhejiang, China
| | - Yanqing Li
- Department of Ophthalmology, The First Affiliated Hospital of Medical College, Zhejiang University, No.79 Qingchun Road, Shangcheng District, Hangzhou, 310003, Zhejiang, China
| | - Yingying Zhang
- Department of Ophthalmology, The First Affiliated Hospital of Medical College, Zhejiang University, No.79 Qingchun Road, Shangcheng District, Hangzhou, 310003, Zhejiang, China
- Center for Brain Research and Brain-Machine Integration, School of Brain Science and Brain Medicine, Zhejiang University, No.866 Yuhangtang Road, Xihu District, Hangzhou, 310058, Zhejiang, China
| | - Hong Zhu
- Department of Ophthalmology, The First Affiliated Hospital of Medical College, Zhejiang University, No.79 Qingchun Road, Shangcheng District, Hangzhou, 310003, Zhejiang, China
| | - Chen Xie
- Department of Ophthalmology, The First Affiliated Hospital of Medical College, Zhejiang University, No.79 Qingchun Road, Shangcheng District, Hangzhou, 310003, Zhejiang, China
| | - Yudong Zhou
- Department of Ophthalmology, The First Affiliated Hospital of Medical College, Zhejiang University, No.79 Qingchun Road, Shangcheng District, Hangzhou, 310003, Zhejiang, China
- Center for Brain Research and Brain-Machine Integration, School of Brain Science and Brain Medicine, Zhejiang University, No.866 Yuhangtang Road, Xihu District, Hangzhou, 310058, Zhejiang, China
| | - Ye Shen
- Department of Ophthalmology, The First Affiliated Hospital of Medical College, Zhejiang University, No.79 Qingchun Road, Shangcheng District, Hangzhou, 310003, Zhejiang, China.
| | - Jianping Tong
- Department of Ophthalmology, The First Affiliated Hospital of Medical College, Zhejiang University, No.79 Qingchun Road, Shangcheng District, Hangzhou, 310003, Zhejiang, China.
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Righes Marafiga J, Baraban SC. Cell therapy for neurological disorders: Progress towards an embryonic medial ganglionic eminence progenitor-based treatment. Front Neurosci 2023; 17:1177678. [PMID: 37123353 PMCID: PMC10140420 DOI: 10.3389/fnins.2023.1177678] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2023] [Accepted: 03/28/2023] [Indexed: 05/02/2023] Open
Abstract
Impairment of development, migration, or function of inhibitory interneurons are key features of numerous circuit-based neurological disorders, such as epilepsy. From a therapeutic perspective, symptomatic treatment of these disorders often relies upon drugs or deep brain stimulation approaches to provide a general enhancement of GABA-mediated inhibition. A more effective strategy to target these pathological circuits and potentially provide true disease-modifying therapy, would be to selectively add new inhibitory interneurons into these circuits. One such strategy, using embryonic medial ganglionic (MGE) progenitor cells as a source of a unique sub-population of interneurons, has already proven effective as a cell transplantation therapy in a variety of preclinical models of neurological disorders, especially in mouse models of acquired epilepsy. Here we will discuss the evolution of this interneuron-based transplantation therapy in acquired epilepsy models, with an emphasis on the recent adaptation of MGE progenitor cells for xenotransplantation into larger mammals.
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Affiliation(s)
- Joseane Righes Marafiga
- Department of Neurological Surgery, University of California San Francisco, San Francisco, CA, United States
| | - Scott C. Baraban
- Department of Neurological Surgery, University of California San Francisco, San Francisco, CA, United States
- Helen Wills Institute for Neuroscience, University of California Berkeley, Berkeley, CA, United States
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Li D, Wu Q, Han X. Application of Medial Ganglionic Eminence Cell Transplantation in Diseases Associated With Interneuron Disorders. Front Cell Neurosci 2022; 16:939294. [PMID: 35865112 PMCID: PMC9294455 DOI: 10.3389/fncel.2022.939294] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2022] [Accepted: 06/20/2022] [Indexed: 11/13/2022] Open
Abstract
Excitatory projection neurons and inhibitory interneurons primarily accomplish the neural activity of the cerebral cortex, and an imbalance of excitatory-inhibitory neural networks may lead to neuropsychiatric diseases. Gamma-aminobutyric acid (GABA)ergic interneurons mediate inhibition, and the embryonic medial ganglionic eminence (MGE) is a source of GABAergic interneurons. After transplantation, MGE cells migrate to different brain regions, differentiate into multiple subtypes of GABAergic interneurons, integrate into host neural circuits, enhance synaptic inhibition, and have tremendous application value in diseases associated with interneuron disorders. In the current review, we describe the fate of MGE cells derived into specific interneurons and the related diseases caused by interneuron loss or dysfunction and explore the potential of MGE cell transplantation as a cell-based therapy for a variety of interneuron disorder-related diseases, such as epilepsy, schizophrenia, autism spectrum disorder, and Alzheimer’s disease.
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