LRTM1 Gene

Name leucine-rich repeats and transmembrane domains 1
Description Predicted to enable Roundabout binding activity and heparin binding activity. Predicted to be involved in axon guidance and negative chemotaxis. Predicted to act upstream of or within positive regulation of synapse assembly. Predicted to be located in membrane. [provided by Alliance of Genome Resources, Mar 2025]
Summary
{"type": "root", "children": [{"type": "p", "children": [{"type": "t", "text": "\n LRTM1 is a multifaceted leucine‐rich repeat transmembrane protein that appears to play diverse roles in both neurodevelopment and myogenesis. In the nervous system, LRTM1 is a component of trans‐synaptic complexes that include neurexins and neuroligins, and its function is conserved with other members of the LRRTM family linked to neurodevelopmental disorders such as Tourette syndrome, schizophrenia, and atypical patterns of handedness."}, {"type": "fg", "children": [{"type": "fg_fs", "start_ref": "1", "end_ref": "3"}]}, {"type": "t", "text": " In parallel, studies in muscle cells have revealed that LRTM1 functions as an inhibitory regulator of the fibroblast growth factor receptor (FGFR) signaling pathway; it acts by associating with p52Shc to impede its recruitment to FGFR1, thereby down‐modulating ERK activation and promoting myoblast differentiation. This regulatory mechanism is supported by findings in diaphragmatic development where reduced Lrtm1 expression correlates with impaired cell motility and myoblast fusion."}, {"type": "fg", "children": [{"type": "fg_f", "ref": "4"}]}, {"type": "t", "text": " Moreover, the localization of LRTM1 within a chromosomal region implicated in congenital craniofacial anomalies, such as Zimmermann–Laband syndrome, further underscores its potential involvement in human developmental disorders. Collectively, these findings highlight the diverse biological functions of LRTM1 in regulating synaptic differentiation and muscle cell development and suggest that dysregulation of its activity may contribute to various neurodevelopmental and congenital syndromes.\n "}]}, {"type": "rg", "children": [{"type": "r", "ref": 1, "children": [{"type": "t", "text": "R A Clarke, S Lee, V Eapen "}, {"type": "b", "children": [{"type": "t", "text": "Pathogenetic model for Tourette syndrome delineates overlap with related neurodevelopmental disorders including Autism."}]}, {"type": "t", "text": " "}, {"type": "i", "children": [{"type": "t", "text": "Transl Psychiatry (2012)"}]}, {"type": "t", "text": " DOI: "}, {"type": "a", "children": [{"type": "t", "text": "10.1038/tp.2012.75"}], "href": "https://doi.org/10.1038/tp.2012.75"}, {"type": "t", "text": " PMID: "}, {"type": "a", "children": [{"type": "t", "text": "22948383"}], "href": "https://pubmed.ncbi.nlm.nih.gov/22948383"}]}, {"type": "r", "ref": 2, "children": [{"type": "t", "text": "Tabrez J Siddiqui, Raika Pancaroglu, Yunhee Kang, et al. "}, {"type": "b", "children": [{"type": "t", "text": "LRRTMs and neuroligins bind neurexins with a differential code to cooperate in glutamate synapse development."}]}, {"type": "t", "text": " "}, {"type": "i", "children": [{"type": "t", "text": "J Neurosci (2010)"}]}, {"type": "t", "text": " DOI: "}, {"type": "a", "children": [{"type": "t", "text": "10.1523/JNEUROSCI.0470-10.2010"}], "href": "https://doi.org/10.1523/JNEUROSCI.0470-10.2010"}, {"type": "t", "text": " PMID: "}, {"type": "a", "children": [{"type": "t", "text": "20519524"}], "href": "https://pubmed.ncbi.nlm.nih.gov/20519524"}]}, {"type": "r", "ref": 3, "children": [{"type": "t", "text": "Hyung-Goo Kim, Anne W Higgins, Steven R Herrick, et al. "}, {"type": "b", "children": [{"type": "t", "text": "Candidate loci for Zimmermann-Laband syndrome at 3p14.3."}]}, {"type": "t", "text": " "}, {"type": "i", "children": [{"type": "t", "text": "Am J Med Genet A (2007)"}]}, {"type": "t", "text": " DOI: "}, {"type": "a", "children": [{"type": "t", "text": "10.1002/ajmg.a.31544"}], "href": "https://doi.org/10.1002/ajmg.a.31544"}, {"type": "t", "text": " PMID: "}, {"type": "a", "children": [{"type": "t", "text": "17163523"}], "href": "https://pubmed.ncbi.nlm.nih.gov/17163523"}]}, {"type": "r", "ref": 4, "children": [{"type": "t", "text": "Nelson LopezJimenez, Simon Gerber, Vlad Popovici, et al. "}, {"type": "b", "children": [{"type": "t", "text": "Examination of FGFRL1 as a candidate gene for diaphragmatic defects at chromosome 4p16.3 shows that Fgfrl1 null mice have reduced expression of Tpm3, sarcomere genes and Lrtm1 in the diaphragm."}]}, {"type": "t", "text": " "}, {"type": "i", "children": [{"type": "t", "text": "Hum Genet (2010)"}]}, {"type": "t", "text": " DOI: "}, {"type": "a", "children": [{"type": "t", "text": "10.1007/s00439-009-0777-8"}], "href": "https://doi.org/10.1007/s00439-009-0777-8"}, {"type": "t", "text": " PMID: "}, {"type": "a", "children": [{"type": "t", "text": "20024584"}], "href": "https://pubmed.ncbi.nlm.nih.gov/20024584"}]}, {"type": "r", "ref": 5, "children": [{"type": "t", "text": "Hao-Ke Li, Yong Zhou, Jian Ding, et al. "}, {"type": "b", "children": [{"type": "t", "text": "LRTM1 promotes the differentiation of myoblast cells by negatively regulating the FGFR1 signaling pathway."}]}, {"type": "t", "text": " "}, {"type": "i", "children": [{"type": "t", "text": "Exp Cell Res (2020)"}]}, {"type": "t", "text": " DOI: "}, {"type": "a", "children": [{"type": "t", "text": "10.1016/j.yexcr.2020.112237"}], "href": "https://doi.org/10.1016/j.yexcr.2020.112237"}, {"type": "t", "text": " PMID: "}, {"type": "a", "children": [{"type": "t", "text": "32841643"}], "href": "https://pubmed.ncbi.nlm.nih.gov/32841643"}]}]}]}
Synonyms HT017
Proteins LRTM1_HUMAN
NCBI Gene ID 57408
API
Download Associations
Predicted Functions View LRTM1's ARCHS4 Predicted Functions.
Co-expressed Genes View LRTM1's ARCHS4 Predicted Functions.
Expression in Tissues and Cell Lines View LRTM1's ARCHS4 Predicted Functions.

Functional Associations

LRTM1 has 2,545 functional associations with biological entities spanning 8 categories (molecular profile, organism, chemical, functional term, phrase or reference, disease, phenotype or trait, structural feature, cell line, cell type or tissue, gene, protein or microRNA) extracted from 71 datasets.

Click the + buttons to view associations for LRTM1 from the datasets below.

If available, associations are ranked by standardized value

Dataset Summary
Allen Brain Atlas Adult Mouse Brain Tissue Gene Expression Profiles tissues with high or low expression of LRTM1 gene relative to other tissues from the Allen Brain Atlas Adult Mouse Brain Tissue Gene Expression Profiles dataset.
Allen Brain Atlas Aging Dementia and Traumatic Brain Injury Tissue Sample Gene Expression Profiles tissue samples with high or low expression of LRTM1 gene relative to other tissue samples from the Allen Brain Atlas Aging Dementia and Traumatic Brain Injury Tissue Sample Gene Expression Profiles dataset.
Allen Brain Atlas Developing Human Brain Tissue Gene Expression Profiles by Microarray tissue samples with high or low expression of LRTM1 gene relative to other tissue samples from the Allen Brain Atlas Developing Human Brain Tissue Gene Expression Profiles by Microarray dataset.
BioGPS Cell Line Gene Expression Profiles cell lines with high or low expression of LRTM1 gene relative to other cell lines from the BioGPS Cell Line Gene Expression Profiles dataset.
BioGPS Human Cell Type and Tissue Gene Expression Profiles cell types and tissues with high or low expression of LRTM1 gene relative to other cell types and tissues from the BioGPS Human Cell Type and Tissue Gene Expression Profiles dataset.
Carcinogenome Chemical Perturbation Carcinogenicity Signatures small molecule perturbations changing expression of LRTM1 gene from the Carcinogenome Chemical Perturbation Carcinogenicity Signatures dataset.
CCLE Cell Line Gene CNV Profiles cell lines with high or low copy number of LRTM1 gene relative to other cell lines from the CCLE Cell Line Gene CNV Profiles dataset.
CCLE Cell Line Gene Expression Profiles cell lines with high or low expression of LRTM1 gene relative to other cell lines from the CCLE Cell Line Gene Expression Profiles dataset.
CellMarker Gene-Cell Type Associations cell types associated with LRTM1 gene from the CellMarker Gene-Cell Type Associations dataset.
ChEA Transcription Factor Binding Site Profiles transcription factor binding site profiles with transcription factor binding evidence at the promoter of LRTM1 gene from the CHEA Transcription Factor Binding Site Profiles dataset.
ChEA Transcription Factor Targets transcription factors binding the promoter of LRTM1 gene in low- or high-throughput transcription factor functional studies from the CHEA Transcription Factor Targets dataset.
ChEA Transcription Factor Targets 2022 transcription factors binding the promoter of LRTM1 gene in low- or high-throughput transcription factor functional studies from the CHEA Transcription Factor Targets 2022 dataset.
CM4AI KOLF21J CRISPRi Gene Perturbation Atlas gene perturbations changing expression of LRTM1 gene from the CM4AI KOLF21J CRISPRi Gene Perturbation Atlas dataset.
CMAP Signatures of Differentially Expressed Genes for Small Molecules small molecule perturbations changing expression of LRTM1 gene from the CMAP Signatures of Differentially Expressed Genes for Small Molecules dataset.
COMPARTMENTS Curated Protein Localization Evidence Scores cellular components containing LRTM1 protein from the COMPARTMENTS Curated Protein Localization Evidence Scores dataset.
COMPARTMENTS Text-mining Protein Localization Evidence Scores cellular components co-occuring with LRTM1 protein in abstracts of biomedical publications from the COMPARTMENTS Text-mining Protein Localization Evidence Scores dataset.
COMPARTMENTS Text-mining Protein Localization Evidence Scores 2025 cellular components co-occuring with LRTM1 protein in abstracts of biomedical publications from the COMPARTMENTS Text-mining Protein Localization Evidence Scores 2025 dataset.
COSMIC Cell Line Gene CNV Profiles cell lines with high or low copy number of LRTM1 gene relative to other cell lines from the COSMIC Cell Line Gene CNV Profiles dataset.
COSMIC Cell Line Gene Mutation Profiles cell lines with LRTM1 gene mutations from the COSMIC Cell Line Gene Mutation Profiles dataset.
CTD Gene-Disease Associations diseases associated with LRTM1 gene/protein from the curated CTD Gene-Disease Associations dataset.
DepMap CRISPR Gene Dependency cell lines with fitness changed by LRTM1 gene knockdown relative to other cell lines from the DepMap CRISPR Gene Dependency dataset.
DISEASES Text-mining Gene-Disease Association Evidence Scores diseases co-occuring with LRTM1 gene in abstracts of biomedical publications from the DISEASES Text-mining Gene-Disease Assocation Evidence Scores dataset.
DISEASES Text-mining Gene-Disease Association Evidence Scores 2025 diseases co-occuring with LRTM1 gene in abstracts of biomedical publications from the DISEASES Text-mining Gene-Disease Assocation Evidence Scores 2025 dataset.
DisGeNET Gene-Disease Associations diseases associated with LRTM1 gene in GWAS and other genetic association datasets from the DisGeNET Gene-Disease Associations dataset.
DisGeNET Gene-Phenotype Associations phenotypes associated with LRTM1 gene in GWAS and other genetic association datasets from the DisGeNET Gene-Phenoptype Associations dataset.
ENCODE Histone Modification Site Profiles histone modification site profiles with high histone modification abundance at LRTM1 gene from the ENCODE Histone Modification Site Profiles dataset.
ENCODE Transcription Factor Binding Site Profiles transcription factor binding site profiles with transcription factor binding evidence at the promoter of LRTM1 gene from the ENCODE Transcription Factor Binding Site Profiles dataset.
ENCODE Transcription Factor Targets transcription factors binding the promoter of LRTM1 gene in ChIP-seq datasets from the ENCODE Transcription Factor Targets dataset.
GDSC Cell Line Gene Expression Profiles cell lines with high or low expression of LRTM1 gene relative to other cell lines from the GDSC Cell Line Gene Expression Profiles dataset.
GeneSigDB Published Gene Signatures PubMedIDs of publications reporting gene signatures containing LRTM1 from the GeneSigDB Published Gene Signatures dataset.
GEO Signatures of Differentially Expressed Genes for Diseases disease perturbations changing expression of LRTM1 gene from the GEO Signatures of Differentially Expressed Genes for Diseases dataset.
GEO Signatures of Differentially Expressed Genes for Gene Perturbations gene perturbations changing expression of LRTM1 gene from the GEO Signatures of Differentially Expressed Genes for Gene Perturbations dataset.
GEO Signatures of Differentially Expressed Genes for Kinase Perturbations kinase perturbations changing expression of LRTM1 gene from the GEO Signatures of Differentially Expressed Genes for Kinase Perturbations dataset.
GEO Signatures of Differentially Expressed Genes for Small Molecules small molecule perturbations changing expression of LRTM1 gene from the GEO Signatures of Differentially Expressed Genes for Small Molecules dataset.
GEO Signatures of Differentially Expressed Genes for Transcription Factor Perturbations transcription factor perturbations changing expression of LRTM1 gene from the GEO Signatures of Differentially Expressed Genes for Transcription Factor Perturbations dataset.
GEO Signatures of Differentially Expressed Genes for Viral Infections virus perturbations changing expression of LRTM1 gene from the GEO Signatures of Differentially Expressed Genes for Viral Infections dataset.
GO Biological Process Annotations 2023 biological processes involving LRTM1 gene from the curated GO Biological Process Annotations 2023 dataset.
GO Cellular Component Annotations 2015 cellular components containing LRTM1 protein from the curated GO Cellular Component Annotations 2015 dataset.
GO Molecular Function Annotations 2023 molecular functions performed by LRTM1 gene from the curated GO Molecular Function Annotations 2023 dataset.
GTEx Tissue Gene Expression Profiles tissues with high or low expression of LRTM1 gene relative to other tissues from the GTEx Tissue Gene Expression Profiles dataset.
GTEx Tissue Gene Expression Profiles 2023 tissues with high or low expression of LRTM1 gene relative to other tissues from the GTEx Tissue Gene Expression Profiles 2023 dataset.
GWAS Catalog SNP-Phenotype Associations 2025 phenotypes associated with LRTM1 gene in GWAS datasets from the GWAS Catalog SNP-Phenotype Associations 2025 dataset.
Heiser et al., PNAS, 2011 Cell Line Gene Expression Profiles cell lines with high or low expression of LRTM1 gene relative to other cell lines from the Heiser et al., PNAS, 2011 Cell Line Gene Expression Profiles dataset.
HPA Tissue Gene Expression Profiles tissues with high or low expression of LRTM1 gene relative to other tissues from the HPA Tissue Gene Expression Profiles dataset.
HPA Tissue Protein Expression Profiles tissues with high or low expression of LRTM1 protein relative to other tissues from the HPA Tissue Protein Expression Profiles dataset.
InterPro Predicted Protein Domain Annotations protein domains predicted for LRTM1 protein from the InterPro Predicted Protein Domain Annotations dataset.
JASPAR Predicted Human Transcription Factor Targets 2025 transcription factors regulating expression of LRTM1 gene predicted using known transcription factor binding site motifs from the JASPAR Predicted Human Transcription Factor Targets dataset.
JASPAR Predicted Mouse Transcription Factor Targets 2025 transcription factors regulating expression of LRTM1 gene predicted using known transcription factor binding site motifs from the JASPAR Predicted Mouse Transcription Factor Targets 2025 dataset.
JASPAR Predicted Transcription Factor Targets transcription factors regulating expression of LRTM1 gene predicted using known transcription factor binding site motifs from the JASPAR Predicted Transcription Factor Targets dataset.
Klijn et al., Nat. Biotechnol., 2015 Cell Line Gene CNV Profiles cell lines with high or low copy number of LRTM1 gene relative to other cell lines from the Klijn et al., Nat. Biotechnol., 2015 Cell Line Gene CNV Profiles dataset.
KnockTF Gene Expression Profiles with Transcription Factor Perturbations transcription factor perturbations changing expression of LRTM1 gene from the KnockTF Gene Expression Profiles with Transcription Factor Perturbations dataset.
LINCS L1000 CMAP Chemical Perturbation Consensus Signatures small molecule perturbations changing expression of LRTM1 gene from the LINCS L1000 CMAP Chemical Perturbations Consensus Signatures dataset.
LOCATE Predicted Protein Localization Annotations cellular components predicted to contain LRTM1 protein from the LOCATE Predicted Protein Localization Annotations dataset.
MotifMap Predicted Transcription Factor Targets transcription factors regulating expression of LRTM1 gene predicted using known transcription factor binding site motifs from the MotifMap Predicted Transcription Factor Targets dataset.
MSigDB Signatures of Differentially Expressed Genes for Cancer Gene Perturbations gene perturbations changing expression of LRTM1 gene from the MSigDB Signatures of Differentially Expressed Genes for Cancer Gene Perturbations dataset.
PerturbAtlas Signatures of Differentially Expressed Genes for Gene Perturbations gene perturbations changing expression of LRTM1 gene from the PerturbAtlas Signatures of Differentially Expressed Genes for Gene Perturbations dataset.
PerturbAtlas Signatures of Differentially Expressed Genes for Mouse Gene Perturbations gene perturbations changing expression of LRTM1 gene from the PerturbAtlas Signatures of Differentially Expressed Genes for Gene Perturbations dataset.
Roadmap Epigenomics Histone Modification Site Profiles histone modification site profiles with high histone modification abundance at LRTM1 gene from the Roadmap Epigenomics Histone Modification Site Profiles dataset.
Rummagene Transcription Factor Associations 2026 transcription factors regulating expression of LRTM1 gene from the Rummagene Transcription Factor Associations 2026 dataset.
RummaGEO Drug Perturbation Signatures drug perturbations changing expression of LRTM1 gene from the RummaGEO Drug Perturbation Signatures dataset.
RummaGEO Gene Perturbation Signatures gene perturbations changing expression of LRTM1 gene from the RummaGEO Gene Perturbation Signatures dataset.
SILAC Phosphoproteomics Signatures of Differentially Phosphorylated Proteins for Protein Ligands ligand (protein) perturbations changing phosphorylation of LRTM1 protein from the SILAC Phosphoproteomics Signatures of Differentially Phosphorylated Proteins for Protein Ligands dataset.
Tabula Sapiens Gene-Cell Associations cell types with high or low expression of LRTM1 gene relative to other cell types from the Tabula Sapiens Gene-Cell Associations dataset.
TargetScan Predicted Nonconserved microRNA Targets microRNAs regulating expression of LRTM1 gene predicted using nonconserved miRNA seed sequences from the TargetScan Predicted Nonconserved microRNA Targets dataset.
TCGA Signatures of Differentially Expressed Genes for Tumors tissue samples with high or low expression of LRTM1 gene relative to other tissue samples from the TCGA Signatures of Differentially Expressed Genes for Tumors dataset.
TISSUES Curated Tissue Protein Expression Evidence Scores tissues with high expression of LRTM1 protein from the TISSUES Curated Tissue Protein Expression Evidence Scores dataset.
TISSUES Curated Tissue Protein Expression Evidence Scores 2025 tissues with high expression of LRTM1 protein from the TISSUES Curated Tissue Protein Expression Evidence Scores 2025 dataset.
TISSUES Experimental Tissue Protein Expression Evidence Scores tissues with high expression of LRTM1 protein in proteomics datasets from the TISSUES Experimental Tissue Protein Expression Evidence Scores dataset.
TISSUES Experimental Tissue Protein Expression Evidence Scores 2025 tissues with high expression of LRTM1 protein in proteomics datasets from the TISSUES Experimental Tissue Protein Expression Evidence Scores 2025 dataset.
TISSUES Text-mining Tissue Protein Expression Evidence Scores tissues co-occuring with LRTM1 protein in abstracts of biomedical publications from the TISSUES Text-mining Tissue Protein Expression Evidence Scores dataset.
TISSUES Text-mining Tissue Protein Expression Evidence Scores 2025 tissues co-occuring with LRTM1 protein in abstracts of biomedical publications from the TISSUES Text-mining Tissue Protein Expression Evidence Scores 2025 dataset.