Defective ventral neurogenesis due to midfetal Chd8 mutation drives autistic-like behavior in mice.
The 4 matches
- [1] § Methods › Elevated plus-maze test ↔ ElevatedPlusMaze.py, lines 115–201 · score 0.78 · elevated plus maze, arm entries, open arms, closed arms, thickness, distance
- [2] § Results › Lineage tracing and scRNA-seq analysis reveal cell type–specific gene expression changes due to midfetal induction of Chd8 heterozygous mutation ↔ scRNA-seq_2_gene_exp.ipynb, lines 181–242 · score 0.67 · pri OPC, endothelial cell, inhibitory neuron, NPC, microglia, genes
- [3] § Methods › scRNA-seq analysis ↔ scRNA-seq_2_gene_exp.ipynb, lines 181–242 · score 0.62 · rank genes, RNA seq, duplicate, mapped, clustering, cells
- [4] § Results › Lineage tracing and scRNA-seq analysis reveal cell type–specific gene expression changes due to midfetal induction of Chd8 heterozygous mutation ↔ scRNA-seq_2_gene_exp.ipynb, lines 118–158 · score 0.56 · endothelial cells, inhibitory neurons, microglia, OPCs, oligodendrocyte, seq
Paper
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The authors' code
Jupyter notebook · 251 lines · 7.3 KB · no license · 3 matches
- # %%
- import warnings
- warnings.filterwarnings('ignore')
- import os
- import numpy as np
- import pandas as pd
- import scanpy as sc
- import anndata
- import matplotlib.pyplot as plt
- import seaborn as sns
- sc.logging.print_header()
- sc.settings.set_figure_params(dpi=100, facecolor='white')
- # %%
- adata = sc.read_h5ad('./ad_scvimodel.h5ad')
- # %%
- adata
- # %%
- sc.pl.umap(adata,
- color=['batch', 'Genotype', 'Sex', 'leiden_scVI'],
- ncols=2,
- frameon=False)
- # %%
- genotype_colors = {'WT': '#808080', 'MT': '#8B0000'}
- sc.pl.umap(adata, color='Genotype', palette=genotype_colors, size=3, frameon=False, title='Genotype')
- # %%
- sc.pl.umap(adata, color='leiden_scVI', add_outline=True, legend_loc='on data',
- legend_fontsize=12, legend_fontoutline=2,frameon=False,
- title='clustering of cells')
- # %%
- sc.pl.umap(adata, color=['Naaa', 'Mki67', 'Ascl1', 'Neurod1', 'Dlx1', 'Aldh1l1', 'Pdgfra','Mbp', 'Cx3cr1', 'Bgn', 'Cldn5'])
- # %%
- cell_type_names = {
- '0': 'Astrocyte',
- '1': 'Inhibitory_neuron',
- '2': 'OPC',
- '3': 'In_progenitor',
- '4': 'Ex_neuron',
- '5': 'Astrocyte_progenitor',
- '6': 'Astrocyte',
- '7': 'NPC',
- '8': 'OPC',
- '9': 'Inhibitory_neuron',
- '10': 'Pericyte',
- '11': 'Oligodendrocyte',
- '12': 'pri-OPC',
- '13': 'Microglia',
- '14': 'Ex_neuron',
- '15': 'Endothelial_cell',
- '16': 'Astrocyte',
- '17': 'Pericyte'
- }
- adata.obs['cell_type_name'] = adata.obs['leiden_scVI'].map(cell_type_names)
- # %%
- sc.pl.umap(adata,
- color=['Genotype', 'cell_type_name'],
- ncols=2,
- frameon=False)
- # %%
- cluster_to_color = {
- 'Astrocyte': '#2ca02c',
- 'Astrocyte_progenitor': '#f3fbd4',
- 'Endothelial_cell': '#7f7f7f',
- 'Ex_neuron': '#ff7f0e',
- 'In_progenitor': '#ff9896',
- 'Inhibitory_neuron': '#d62728',
- 'Microglia': '#8c564b',
- 'NPC': '#313695',
- 'pri-OPC': '#aec7e8',
- 'OPC': '#1f77b4',
- 'Oligodendrocyte': '#9467bd',
- 'Pericyte': '#ffbb78'
- }
- adata.obs['cell_type_name_colors'] = adata.obs['cell_type_name'].map(cluster_to_color)
- palette = [cluster_to_color[cluster] for cluster in adata.obs['cell_type_name'].cat.categories]
- sc.pl.umap(adata,
- color=['Genotype', 'cell_type_name'],
- ncols=2,
- frameon=False)
- # %%
- genes_of_interest = ['Aldh1l1', 'Plp1', 'Pdgfra', 'Olig2', 'Neurod1', 'Dlx1', 'Naaa', 'Cx3cr1', 'Cldn5', 'Bgn', 'Mki67']
- sc.pl.dotplot(
- adata,
- genes_of_interest,
- groupby='cell_type_name',
- dendrogram=True,
- color_map="Blues",
- swap_axes=True,
- use_raw=False,
- standard_scale='var')
- # %%
- adata_temp = adata.obs[['Genotype', 'cell_type_name']]
- # %%
- adata_temp
- # %%
- adata_temp.groupby('cell_type_name')['Genotype'].value_counts(normalize=False)
- # %%
- data = {
- 'cell_type_name': ['Astrocyte', 'Astrocyte', 'Astrocyte_progenitor', 'Astrocyte_progenitor',
- 'Endothelial_cell', 'Endothelial_cell', 'Ex_neuron', 'Ex_neuron',
- 'In_progenitor', 'In_progenitor', 'Inhibitory_neuron', 'Inhibitory_neuron',
- 'Microglia', 'Microglia', 'NPC', 'NPC', 'OPC', 'OPC',
- 'Oligodendrocyte', 'Oligodendrocyte', 'pri-OPC', 'pri-OPC'],
- 'Genotype': ['WT', 'MT', 'WT', 'MT', 'MT', 'WT', 'WT', 'MT', 'WT', 'MT',
- 'WT', 'MT', 'WT', 'MT', 'WT', 'MT', 'MT', 'WT', 'MT', 'WT',
- 'MT', 'WT'],
- 'Counts': [2496, 2394, 557, 549, 523, 321, 852, 682, 753, 655, 1461, 1265,
- 234, 117, 437, 428, 1681, 1133, 348, 202, 298, 235]
- }
- df = pd.DataFrame(data)
- total_wt = df[df['Genotype'] == 'WT']['Counts'].sum()
- total_mt = df[df['Genotype'] == 'MT']['Counts'].sum()
- df['Percentage'] = df.apply(lambda x: x['Counts'] / total_wt * 100 if x['Genotype'] == 'WT' else x['Counts'] / total_mt * 100, axis=1)
- wt_data = df[df['Genotype'] == 'WT'][['cell_type_name', 'Percentage']].rename(columns={'Percentage': 'WT_Percentage'})
- mt_data = df[df['Genotype'] == 'MT'][['cell_type_name', 'Percentage']].rename(columns={'Percentage': 'MT_Percentage'})
- combined_data = pd.merge(wt_data, mt_data, on='cell_type_name', how='outer').fillna(0)
- fig, ax = plt.subplots(figsize=(10, 8))
- indices = range(len(combined_data))
- bar_width = 0.35
- ax.bar(indices, combined_data['WT_Percentage'], width=bar_width, label='WT', color='#1f77b4')
- ax.bar([i + bar_width for i in indices], combined_data['MT_Percentage'], width=bar_width, label='MT', color='#ff7f0e')
- ax.set_xlabel('Cell Type')
- ax.set_ylabel('Percentage')
- ax.set_title('Percentage of Each Cell Type by Genotype')
- ax.set_xticks([i + bar_width / 2 for i in indices])
- ax.set_xticklabels(combined_data['cell_type_name'], rotation=90)
- ax.legend()
- plt.tight_layout()
- plt.show()
- # %%
- adata.uns['log1p']["base"] = None
- sc.tl.rank_genes_groups(adata, 'leiden_scVI', use_raw=False, layer='counts', method='wilcoxon')
- sc.pl.rank_genes_groups(adata, n_genes=25, sharey=False)
- # %%
- adata.uns['log1p']["base"] = None
- sc.tl.rank_genes_groups(adata, 'cell_type_name', use_raw=False, layer='counts', method='wilcoxon')
- sc.pl.rank_genes_groups(adata, n_genes=25, sharey=False)
- # %%
- unique_cell_types = adata.obs['cell_type_name'].unique()
- for cell_type in unique_cell_types:
- temp = adata[adata.obs['cell_type_name'] == cell_type, :]
- sc.tl.rank_genes_groups(temp, groupby='Genotype', use_raw=True, method='wilcoxon')
- df = sc.get.rank_genes_groups_df(temp, group='MT')
- df.to_csv(f'./rank_genes/{cell_type}_rank_genes.csv')
- # %%
- combined_df = pd.DataFrame()
- for cell_type_names, cell_type in cell_type_names.items():
- temp_df = pd.read_csv(f'./rank_genes/{cell_type}_rank_genes.csv')
- temp_df = temp_df[temp_df['pvals_adj'] < 0.05]
- temp_df['cluster'] = cell_type
- combined_df = pd.concat([combined_df, temp_df])
- combined_df = combined_df.drop_duplicates()
- ordered_cell_types = [
- 'Ex_neuron',
- 'In_progenitor',
- 'Inhibitory_neuron',
- 'NPC',
- 'Astrocyte_progenitor',
- 'Astrocyte',
- 'pri-OPC',
- 'OPC',
- 'Oligodendrocyte',
- 'Microglia',
- 'Endothelial_cell',
- 'Pericyte'
- ]
- combined_df['cluster'] = pd.Categorical(combined_df['cluster'], categories=ordered_cell_types, ordered=True)
- combined_df.sort_values('cluster', inplace=True)
- color_mapping = {
- 'Astrocyte': '#2ca02c',
- 'Astrocyte_progenitor': '#f3fbd4',
- 'Endothelial_cell': '#7f7f7f',
- 'Ex_neuron': '#ff7f0e',
- 'In_progenitor': '#ff9896',
- 'Inhibitory_neuron': '#d62728',
- 'Microglia': '#8c564b',
- 'NPC': '#313695',
- 'pri-OPC': '#aec7e8',
- 'OPC': '#1f77b4',
- 'Oligodendrocyte': '#9467bd',
- 'Pericyte': '#ffbb78'
- }
- plt.figure(figsize=(12, 8))
- strip_plot = sns.stripplot(x="cluster", y="logfoldchanges", data=combined_df, jitter=0.3, palette=color_mapping)
- plt.ylim(-5, 5)
- for i, cell_type in enumerate(ordered_cell_types):
- num_pos_genes = combined_df[(combined_df['cluster'] == cell_type) & (combined_df['logfoldchanges'] > 0)].shape[0]
- num_neg_genes = combined_df[(combined_df['cluster'] == cell_type) & (combined_df['logfoldchanges'] < 0)].shape[0]
- plt.text(i, 4.5, f'P={num_pos_genes}', ha='center', va='bottom', fontsize=9)
- plt.text(i, -4.5, f'N={num_neg_genes}', ha='center', va='top', fontsize=9)
- plt.title('Log2 fold changes for each cell type with significance')
- plt.xlabel('Cell Type')
- plt.ylabel('Average log2 fold change')
- plt.legend([], [], frameon=False)
- plt.show()
- # %%
- # %%
- # %%
scRNA-seq_2_gene_exp.ipynb at commit ced6239, no license · at the source
Overview
- Social Brain Development Research Unit, Next Generation Medical Development Research Core, Institute for Frontier Science Initiative, Kanazawa University,Kanazawa, Japan
- Department of Histology and Cellular Biology, Graduate School of Medical Sciences, Kanazawa University,Kanazawa, Japan
- Department of Gynecology and Obstetrics, Graduate School of Medical Sciences, Kyushu University,Fukuoka, Japan
- Research Center for Experimental Modeling of Human Disease, Kanazawa University,Kanazawa, Japan
- Genome Evolution Laboratory, National Institute of Genetics,Mishima, Japan
Abstract
Autism spectrum disorder (ASD) is a common neurodevelopmental condition characterized by behavioral abnormalities. Although mouse models have been widely adopted to recapitulate the pathology of ASD, the identification of specific neural abnormalities responsible for autistic-like behavior has remained challenging. Here we provide insight into this causal relation by identifying the critical period and cell type responsible for the development of such behavior in ASD model mice with a Chd8 mutation. We find that Chd8 mutation induced at embryonic day 14.5 gives rise to ASD-like behavioral phenotypes, including abnormal social interaction and increased anxiety-like behavior, as well as to accelerated cell-cycle exit and differentiation in ventral progenitor cells. Restoration of Chd8 expression in ventral progenitor cells ameliorates both the behavioral phenotypes and aberrant ventral differentiation in Chd8 mutant mice. Our findings indicate that Chd8 mutation during the midfetal period—in particular, in ventral progenitor cells—contributes to the development of autistic-like behavior.
Reproduced under the paper's license (CC BY), from the paper cited above.
Repositories
Its files are read in the Code ↔ Paper reader above, with 4 matches between paragraphs and lines of code.
heal-research/arPLS
8d73e9529e67febbba76e65061229d35c26a1d93, 25 March 2022Availability: 1 check, the latest on 28 September 2026: the link answers
- 28 September 2026: the link answers
36 files
- alglib-3.15/
src/ , C++, 7,568 linesalglibinternal.cpp - alglib-3.15/
src/ , C/C++, 1,495 linesalglibinternal.h - alglib-3.15/
src/ , C++, 4,917 linesalglibmisc.cpp - alglib-3.15/
src/ , C/C++, 2,008 linesalglibmisc.h - alglib-3.15/
src/ , C++, 6,324 linesap.cpp - alglib-3.15/
src/ , C/C++, 4,260 linesap.h - alglib-3.15/
src/ , C++, 4,756 linesdataanalysis.cpp - alglib-3.15/
src/ , C/C++, 4,905 linesdataanalysis.h - alglib-3.15/
src/ , C++, 1,320 linesdiffequations.cpp - alglib-3.15/
src/ , C/C++, 276 linesdiffequations.h - alglib-3.15/
src/ , C++, 3,751 linesfasttransforms.cpp - alglib-3.15/
src/ , C/C++, 731 linesfasttransforms.h - alglib-3.15/
src/ , C++, 4,242 linesintegration.cpp - alglib-3.15/
src/ , C/C++, 863 linesintegration.h - alglib-3.15/
src/ , C++, 4,815 linesinterpolation.cpp - alglib-3.15/
src/ , C/C++, 4,777 linesinterpolation.h - alglib-3.15/
src/ , C++, 4,898 lineslinalg.cpp - alglib-3.15/
src/ , C/C++, 4,648 lineslinalg.h - alglib-3.15/
src/ , C++, 4,768 linesoptimization.cpp - alglib-3.15/
src/ , C/C++, 5,233 linesoptimization.h - alglib-3.15/
src/ , C++, 4,810 linessolvers.cpp - alglib-3.15/
src/ , C/C++, 3,648 linessolvers.h - alglib-3.15/
src/ , C++, 6,280 linesspecialfunctions.cpp - alglib-3.15/
src/ , C/C++, 2,207 linesspecialfunctions.h - alglib-3.15/
src/ , C++, 5,520 linesstatistics.cpp - alglib-3.15/
src/ , C/C++, 1,359 linesstatistics.h - alglib-3.15/
src/ , C/C++, 2 linesstdafx.h - alglib-3.15/
tests/ , C++, 5,968 linestest_c.cpp - alglib-3.15/
tests/ , C++, 4,658 linestest_i.cpp - alglib-3.15/
tests/ , C++, 2,612 linestest_x.cpp - alglib-3.15/
tests/ , C++, 311 linestest_xne.cpp - alglib-3.15/
tests/ , C++, 8 linestest_xpart0.cpp - arPLS.cpp, C++, 82 lines
- main.cpp, C++, 50 lines
- LICENSE, License, 339 lines
- README.md, Text, 20 lines
akwamura/Chd8_scRNA-seq
ced62390bc448df1704584d0ff4ae7f196c55218, 30 October 2024Availability: 1 check, the latest on 28 September 2026: the link answers
- 28 September 2026: the link answers
6 files
- Spatial_transcriptome_1_
preprocessing.ipynb , Jupyter, 223 lines - Spatial_transcriptome_2_
expression.ipynb , Jupyter, 1,158 lines - scRNA-seq_1_preprocessin
g.ipynb , Jupyter, 269 lines - scRNA-seq_2_gene_exp.ipy
nb , Jupyter, 251 lines, 3 matches - scRNA-seq_3_fate_probabi
lity.ipynb , Jupyter, 445 lines - README.md, Text, 2 lines
daisukeino/BehavioralAnalysis
a88d0964d66a6e368455521975b84128a4d346e2, 5 March 2025Availability: 1 check, the latest on 28 September 2026: the link answers
- 28 September 2026: the link answers
6 files
- ElevatedPlusMaze.py, Python, 209 lines, 1 match
- LightDark.py, Python, 227 lines
- OpenField.py, Python, 180 lines
- SocialInteraction.py, Python, 285 lines
- ThreeChamber.py, Python, 189 lines
- README.md, Text, 6 lines
Zenodo 19105439
Availability: 1 check, the latest on 28 September 2026: the link answers (HTTP 200)
- 28 September 2026: the link answers (HTTP 200)
6 files
- Spatial_transcriptome_1_
preprocessing.ipynb , Jupyter, 223 lines - Spatial_transcriptome_2_
expression.ipynb , Jupyter, 1,158 lines - scRNA-seq_1_preprocessin
g.ipynb , Jupyter, 269 lines - scRNA-seq_2_gene_exp.ipy
nb , Jupyter, 251 lines - scRNA-seq_3_fate_probabi
lity.ipynb , Jupyter, 445 lines - README.md, Text, 2 lines
Zenodo 19105511
Availability: 1 check, the latest on 28 September 2026: the link answers (HTTP 200)
- 28 September 2026: the link answers (HTTP 200)
6 files
- ElevatedPlusMaze.py, Python, 209 lines
- LightDark.py, Python, 227 lines
- OpenField.py, Python, 180 lines
- SocialInteraction.py, Python, 285 lines
- ThreeChamber.py, Python, 189 lines
- README.md, Text, 6 lines
kentanitahara/chd8_scrna-seq
ced62390bc448df1704584d0ff4ae7f196c55218, 30 October 2024Availability: 1 check, the latest on 28 September 2026: the link answers
- 28 September 2026: the link answers
6 files
- Spatial_transcriptome_1_
preprocessing.ipynb , Jupyter, 223 lines - Spatial_transcriptome_2_
expression.ipynb , Jupyter, 1,158 lines - scRNA-seq_1_preprocessin
g.ipynb , Jupyter, 269 lines - scRNA-seq_2_gene_exp.ipy
nb , Jupyter, 251 lines - scRNA-seq_3_fate_probabi
lity.ipynb , Jupyter, 445 lines - README.md, Text, 2 lines
kentanitahara/behavioralanalysis
a88d0964d66a6e368455521975b84128a4d346e2, 5 March 2025Availability: 1 check, the latest on 28 September 2026: the link answers
- 28 September 2026: the link answers
6 files
- ElevatedPlusMaze.py, Python, 209 lines
- LightDark.py, Python, 227 lines
- OpenField.py, Python, 180 lines
- SocialInteraction.py, Python, 285 lines
- ThreeChamber.py, Python, 189 lines
- README.md, Text, 6 lines
Code availability
The codes for the scRNA-seq and spatial transcriptome analyses used in this study can be found on GitHub: https://
Reproduced under the paper's license (CC BY), from the paper cited above.
Tracing map
Proposed by the machine: these links were found in the paper and verified at the source, without human review. The map will receive a Zenodo DOI once one of the paper's authors has validated it with their ORCID.
What the map holds:
- 7 repositories of the authors' code, each at its verified commit, with its license and how the link was found in the paper;
- 64 scripts, each with its path and the digest of its content;
- 4 matches between paragraphs of the paper and lines of the code (method lexical-v1);
- neither the text of the paper nor the code itself.
Its JSON (tracing-map.json) is deposited on Zenodo with its DOI once the map is validated.
Data
Datasets cited
- geo:GSE278323, at NCBI GEO; found in “Data availability”
Data availability
The scRNA-seq data have been deposited in GEO under the accession number GSE278323 (https://
Reproduced under the paper's license (CC BY), from the paper cited above.
Versions
The history of this record: each version stored by the harvester or made by a correction of its authors or of the maintainers of its code, and what changed in its facts. The texts of the paper (its abstract, its availability statements) are not part of it; versions that changed only those are not listed.
Version 1, 28 September 2026: the first record
Recorded: type, language, journal, volume, issue, pages, dates, 11 authors, 3 keywords, 15 MeSH terms, 4 funders, 89 references, 3 RRIDs.
Cite
This paper
Nitahara, K., Kawamura, A., Tashiro, A., Iwasaki, T., Horike, S.-I., Terakawa, J., Daikoku, T., Higashi, K., Kurokawa, K., Kato, K., & Nishiyama, M. (2026). Defective ventral neurogenesis due to midfetal Chd8 mutation drives autistic-like behavior in mice. Nature communications, 17(1), 4457. https://
BibTeX
@article{nitahara2026def
author = {Nitahara, Kenta and Kawamura, Atsuki and Tashiro, Ayumu and Iwasaki, Tomoya and Horike, Shin-Ichi and Terakawa, Jumpei and Daikoku, Takiko and Higashi, Koichi and Kurokawa, Ken and Kato, Kiyoko and Nishiyama, Masaaki},
title = {{Defective ventral neurogenesis due to midfetal Chd8 mutation drives autistic-like behavior in mice}},
journal = {Nature communications},
year = {2026},
month = may,
volume = {17},
number = {1},
pages = {4457},
publisher = {Nature Publishing Group},
issn = {2041-1723},
doi = {10.1038/
url = {https://
pmid = {42203765},
pmcid = {PMC13216556}
}
RIS
TY - JOUR
AU - Nitahara, Kenta
AU - Kawamura, Atsuki
AU - Tashiro, Ayumu
AU - Iwasaki, Tomoya
AU - Horike, Shin-Ichi
AU - Terakawa, Jumpei
AU - Daikoku, Takiko
AU - Higashi, Koichi
AU - Kurokawa, Ken
AU - Kato, Kiyoko
AU - Nishiyama, Masaaki
TI - Defective ventral neurogenesis due to midfetal Chd8 mutation drives autistic-like behavior in mice
T2 - Nature communications
J2 - Nat Commun
PY - 2026
DA - 2026/
VL - 17
IS - 1
SP - 4457
SN - 2041-1723
PB - Nature Publishing Group
DO - 10.1038/
UR - https://
LA - en
ER -
CSL-JSON
{
"id": "10.1038/
"type": "article-journal",
"title": "Defective ventral neurogenesis due to midfetal Chd8 mutation drives autistic-like behavior in mice",
"container-title": "Nature communications",
"author": [
{
"family": "Nitahara",
"given": "Kenta"
},
{
"family": "Kawamura",
"given": "Atsuki"
},
{
"family": "Tashiro",
"given": "Ayumu"
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{
"family": "Iwasaki",
"given": "Tomoya"
},
{
"family": "Horike",
"given": "Shin-Ichi"
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{
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"given": "Jumpei"
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{
"family": "Daikoku",
"given": "Takiko"
},
{
"family": "Higashi",
"given": "Koichi"
},
{
"family": "Kurokawa",
"given": "Ken"
},
{
"family": "Kato",
"given": "Kiyoko"
},
{
"family": "Nishiyama",
"given": "Masaaki"
}
],
"container-title-short":
"volume": "17",
"issue": "1",
"page": "4457",
"DOI": "10.1038/
"PMID": "42203765",
"PMCID": "PMC13216556",
"ISSN": "2041-1723",
"publisher": "Nature Publishing Group",
"URL": "https://
"language": "en",
"issued": {
"date-parts": [
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2026,
5,
27
]
]
}
}
The tracing map gets a citation of its own once an author has validated it and it has a DOI.
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