01
Construct
Build and Edit
Generate wild-type, overexpression, or silencing constructs for LAMC1, or introduce variants by gene editing and gene knockout in a defined cell background.
Gene Function, Variants, and Disease Evidence
LAMC1 and Associated Diseases
LAMC1 encodes the gamma-1 chain of laminin, a widely expressed extracellular matrix protein involved in basement membrane assembly. Its overexpression correlates with poor prognosis in several cancers. Creative Biolabs supports gene-function validation, disease modeling, and vector design for LAMC1-associated disease research.
Abnormal LAMC1 expression can disrupt basement membrane integrity, alter extracellular matrix remodeling, and affect cell adhesion, migration, and survival. LAMC1 overexpression has been linked to increased tumor cell proliferation, invasion, metastasis, and poor prognosis in cancers such as hepatocellular carcinoma, gastric cancer, and meningioma. Conversely, LAMC1 deficiency can impair basement membrane formation and normal tissue development.
Creative Biolabs provides research services — from gene editing and disease modeling to vector design — that help teams interrogate LAMC1 gene function and disease-relevant phenotypes.
Gene functionBasement membrane assembly, cell adhesion, differentiation, signal transduction, and tumor invasion.
Disease associationHepatocellular carcinoma, meningioma, uterine carcinoma, and peritoneal metastasis.
Evidence levelOverexpression correlations are reported; distinguish established associations from inferred mechanisms.
Entity Identity and Expression
What is LAMC1, and where is it expressed?
The table below summarizes the standard gene identity and its normal expression. Distinguishing established functions from inferred ones is essential when interpreting expression changes and designing validation experiments.
01Gene symbol and nameLAMC1 — laminin subunit gamma 1. The gene spans approximately 122 Kb and contains 28 coding exons, encoding the gamma-1 chain of laminin.
02Protein and pathwayLaminin gamma-1 chain, a component of the heterotrimeric laminin proteins that assemble basement membranes and regulate cell adhesion, migration, differentiation, and signal transduction.
03Species and chromosomal locationHomo sapiens; chromosome 1q31.3, an autosomal locus. Unlike L1CAM, LAMC1-associated phenotypes follow autosomal patterns.
04Authoritative database IDsHGNC: 6492; Ensembl: ENSG00000135862; UniProt: P11047; OMIM: 150290. These identifiers anchor variant and literature lookups to a consistent reference.
05Normal tissue and cell expressionThe most widely expressed laminin chain, found predominantly in basement membranes across tissues. Serum and urinary LAMC1 fragments reflect basement membrane and organ remodeling.
Variant–Mechanism–Disease Evidence
Which diseases are associated with LAMC1?
LAMC1 overexpression and functional roles have been reported in several cancers. Each module below summarizes the reported association, its supporting evidence, and its limitations. Associations are not presented as causal certainty, and this page does not provide diagnostic or treatment advice.
01Hepatocellular Carcinoma
HCC+
Mechanism and Reported Findings
- LAMC1 overexpression is reported to correlate with poor prognosis in hepatocellular carcinoma.
- LAMC1 promotes the Warburg effect in hepatocellular carcinoma by upregulating PKM2, supporting metabolic reprogramming.
- The association is reported in expression and functional studies rather than as a single established diagnostic biomarker.
Evidence and Interpretation
- Evidence: tumor expression studies and functional experiments.
- Interpretation: a reported correlation requiring independent validation.
- Limit: prognostic significance varies by cohort and methodology.
02Meningioma
Meningioma+
Mechanism and Reported Findings
- LAMC1 upregulation in meningiomas correlates with shorter time to tumor recurrence and decreased progression-free survival.
- This positions LAMC1 as a candidate prognostic marker in meningioma research.
Evidence and Interpretation
- Evidence: expression correlation in meningioma cohorts.
- Interpretation: a reported association, not a validated clinical marker.
- Limit: cohort size and follow-up methodology affect generalizability.
03Uterine Carcinoma
Gynecologic+
Mechanism and Reported Findings
- LAMC1 expression is upregulated in uterine carcinoma and significantly correlates with FIGO staging, myometrial invasion, cervical/adnexal involvement, vascular lymphatic invasion, and lymph node metastasis.
Evidence and Interpretation
- Evidence: tissue expression and clinicopathological correlation.
- Interpretation: a reported association supporting further study.
- Limit: correlation does not establish a causal role in progression.
04Peritoneal Metastasis
Metastasis+
Mechanism and Reported Findings
- High serum LAMC1 expression indicates a high risk of peritoneal metastasis.
- LAMC1-mediated preadipocyte differentiation is reported to promote peritoneum pre-metastatic niche formation and gastric cancer metastasis (Fang, 2022).
- Silencing LAMC1 significantly inhibits cancer cell migration and invasion in experimental systems.
Evidence and Interpretation
- Evidence: serum studies, functional experiments, and mouse models.
- Interpretation: a research association with mechanistic support.
- Limit: extrapolation to other cancer types requires validation.
05Schwann Cell Apoptosis and Development
Development+
Mechanism and Reported Findings
- Loss of LAMC1 expression induces apoptosis in Schwann cells, attributed to reduced phosphatidylinositol 3-kinase activity and activation of caspase cascades.
- In mouse models, LAMC1 deletion results in laminin gamma-1 chain deletion, causing abnormal basal layer formation and embryonic lethality.
Evidence and Interpretation
- Evidence: functional and genetic mouse-model studies.
- Interpretation: establishes a developmental role distinct from oncogenic roles.
- Limit: developmental and oncogenic roles are separate biological contexts.
Testable Hypotheses and Models
How can a LAMC1 effect be validated?
Candidate approaches range from cancer cell lines to organoids and animal models. Each model answers a different question and carries its own readouts and limitations.
Cancer cell linesMigration and invasion
Scientific contextSilencing or overexpressing LAMC1 in cancer cell lines enables focused measurement of migration, invasion, adhesion, and metabolic readouts such as the Warburg effect.
Interpretation boundaryCell-line results isolate molecular function but do not reproduce tumor microenvironment or metastatic niche biology.
Organoids3D tumor context
Scientific contextTumor or tissue organoids model basement-membrane and extracellular-matrix interactions relevant to LAMC1 function in a three-dimensional context.
Interpretation boundaryOrganoid maturity and reproducibility vary; results complement rather than replace in vivo observations.
Animal modelsMetastasis and niche formation
Scientific contextMouse models support studies of peritoneal metastasis, pre-metastatic niche formation, and the role of LAMC1-mediated preadipocyte differentiation.
Interpretation boundarySpecies differences in laminin biology and tumor progression require careful matching of model to hypothesis.
Genetic modelsDevelopmental readouts
Scientific contextLAMC1 knockout models reveal developmental roles, including abnormal basal-layer formation and embryonic lethality, distinct from oncogenic roles.
Interpretation boundaryDevelopmental and oncogenic functions are separate biological contexts and should not be conflated.
Research Workflow
How is a LAMC1 gene-function study structured?
A complete validation program moves from construct generation through expression, phenotype, and rescue experiments to data interpretation. Each step produces its own evidence and should not be skipped or conflated.
02
Expression
Verify Expression
Confirm transcript and protein levels and extracellular matrix localization to ensure the construct is actually expressed and secreted rather than degraded.
03
Function
Measure Migration and Invasion
Quantify migration, invasion, adhesion, and metabolic readouts to detect functional consequences of LAMC1 modulation relative to control.
04
Phenotype
Score Disease-Relevant Phenotypes
In organoid or animal models, score tumor growth, metastasis, and pre-metastatic niche formation where the model supports them.
05
Rescue
Run Rescue Experiments
Restore LAMC1 expression to test whether the phenotype is rescued, distinguishing modulation causality from off-target or background effects.
06
Interpretation
Interpret with Controls
Compare against positive and negative controls, account for experimental replicates, and state the model-specific limits before drawing conclusions about expression-disease relationships.
Related Research Services
How does Creative Biolabs support LAMC1 research?
The services below bridge gene editing, model development, vector design, and functional assays. Each entry indicates the typical input and the deliverable; scope, timing, and feasibility are confirmed case by case.
Gene editingKnockout and overexpression
Service scopeIntroduce LAMC1 knockout, overexpression, or silencing using gene editing and gene knockout approaches in cancer cell lines.
Input and deliverableProvide target sequence, desired modification, and cell background; receive validated, sequence-confirmed clones with characterization data.
Disease modelingPhenotypic models
Service scopeBuild tumor-relevant models through disease modeling gene editing and CRISPR-assisted cell line development.
Input and deliverableProvide the modification, model preference, and target readout; receive characterized models with QC and baseline phenotypic data.
Vector designExpression systems
Service scopeDesign and produce expression vectors, including AAV vector development and lentiviral vector production, for LAMC1 knockdown or overexpression.
Input and deliverableProvide the coding sequence or shRNA/siRNA design and expression requirements; receive titered, characterized vector with supporting QC documentation.
Functional assaysPhenotypic readouts
Service scopeMeasure migration, invasion, adhesion, and metabolic readouts to test LAMC1 modulation consequences in the chosen model.
Input and deliverableProvide the constructs or edited cells and the target endpoint; receive processed data with methods, controls, replicates, and interpretation notes.
Conflicting Evidence and Limitations
How should LAMC1 associations be interpreted?
Gene-disease associations should be read as research findings, not causal certainties. Several factors affect how confidently expression changes can be linked to a phenotype.
-
Association is not causation.
LAMC1 overexpression correlations require functional evidence, rescue experiments, and independent replication before a causal role can be claimed.
-
Correlation versus mechanism.
Prognostic correlations in HCC, meningioma, and uterine carcinoma reflect reported associations; mechanisms such as the Warburg effect are separate functional findings.
-
Context dependence.
LAMC1 has both developmental roles (basement membrane assembly) and oncogenic roles. These are distinct biological contexts and should not be conflated.
-
Model limitations.
Cell lines, organoids, and animal models differ in tumor microenvironment and species biology. Extrapolation to human disease requires caution.
-
Biomarker status.
LAMC1 fragments in serum and urine are research markers of remodeling and fibrosis, not validated clinical diagnostics.
-
No diagnostic or treatment advice.
This page is for research use only. It does not provide diagnostic, prognostic, or therapeutic recommendations.
Selected Reading
References for LAMC1 and Associated Diseases
Authoritative sources anchor the gene identity, function, and disease associations described on this page. Key facts are cited close to the relevant claim; review dates are noted where information may change.
01
OMIM 150290
Laminin Subunit Gamma 1
OMIM entry for LAMC1 (laminin subunit gamma 1), documenting the gene and its role in basement membrane assembly.
View OMIM entry
02
UniProt P11047
LAMC1 Protein Structure and Function
UniProt reference for the laminin gamma-1 chain, including its role in cell adhesion and extracellular matrix assembly.
View UniProt entry
From Question to Evidence
Creative Biolabs Support
Creative Biolabs can support LAMC1-associated disease research through gene editing, model development, vector production, and functional characterization. The services below map to the validation steps described on this page.
01 / GENE EDITING
Knockout and overexpression
Introduce LAMC1 knockout, overexpression, or silencing in cancer cell lines, then confirm the modification by sequencing. Edited clones provide a controlled background for functional comparison.
02 / MODELING
Disease modeling and cell lines
Build tumor-relevant models using disease-modeling gene editing and CRISPR-assisted cell line development, with baseline characterization for downstream phenotypic assays.
03 / VECTOR DESIGN
AAV and lentiviral vectors
Design and produce expression vectors for LAMC1 knockdown or overexpression, with titer and characterization data to support transduction studies.
04 / FUNCTIONAL ASSAY
Migration and invasion readouts
Quantify migration, invasion, adhesion, and metabolic readouts to test LAMC1 modulation consequences in the chosen model, with appropriate controls and replicates.
Selected Reading
References
LAMC1 · Gene Identity & Function
Smyth N, Vatansever HS, Murray P, et al. Absence of basement membranes after targeting the LAMC1 gene results in embryonic lethality due to failure of endoderm differentiation. J Cell Biol. 1999;144(1):151-160. https://doi.org/10.1083/jcb.144.1.151.
LAMC1 · Protein Structure
Hohenester E, Yurchenco PD. Laminins in basement membrane assembly. Cell Adh Migr. 2013;7(1):56-63. https://doi.org/10.4161/cam.21831.
LAMC1 · Cancer & Metastasis
Fang Y, Dou R, Huang S, et al. LAMC1-mediated preadipocytes differentiation promoted peritoneum pre-metastatic niche formation and gastric cancer metastasis. Int J Biol Sci. 2022;18(7):3082-3101. https://doi.org/10.7150/ijbs.70524.
LAMC1 · Hepatocellular Carcinoma
Ye G, Qin Y, Wang S, et al. Lamc1 promotes the Warburg effect in hepatocellular carcinoma cells by regulating PKM2 expression through AKT pathway. Cancer Biol Ther. 2019;20(5):711-719. https://doi.org/10.1080/15384047.2018.1564558.
LAMC1 · Meningioma
Ke HL, Ke RH, Li B, et al. Association between laminin γ1 expression and meningioma grade, recurrence, and progression-free survival. Acta Neurochir (Wien). 2013;155(1):165-171. https://doi.org/10.1007/s00701-012-1512-0.
Selected sources cover LAMC1 gene identity, function, and disease associations. Last verified November 2026. Clinical-stage information changes over time and is not provided on this page.
Scientific Questions
Questions About LAMC1 and Associated Diseases
Direct answers about gene function, disease association, validation models, and interpretation of experimental findings.
LAMC1 encodes the gamma-1 chain of laminin, the most widely expressed laminin chain. It assembles basement membranes and regulates cell adhesion, differentiation, signal transduction, and tissue development.
LAMC1 overexpression is reported to correlate with poor prognosis in hepatocellular carcinoma and meningioma, with uterine carcinoma progression, and with increased peritoneal metastasis risk. These are reported associations requiring independent validation.
Options include cancer cell lines, tumor organoids, and mouse models of metastasis. Each answers a different question — from migration and invasion readouts to metastatic niche formation — and carries its own limitations.
Establishing a causal role requires functional evidence, rescue experiments, and independent replication. Correlation alone does not prove causation, and gene-disease links should be read as research findings.
Creative Biolabs supports gene editing, disease modeling, vector design, and functional assays for LAMC1-associated disease research. Scope, inputs, and deliverables are confirmed case by case with our scientific team.
No. This page is provided for research use only and does not offer diagnostic, prognostic, or therapeutic recommendations. Clinical questions should be directed to qualified healthcare professionals.
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