GO:0072136 metanephric mesenchymal cell proliferation involved in metanephros development: Process, Genes, Functions and Research Methods
Research-grade guide for scientists and biopharma professionals
Key Takeaways
• GO:0072136 describes the multiplication of metanephric mesenchymal cells that expands the mesenchymal population during kidney development.
• This process is a biological_process and is part of the broader program of metanephros development.
• Matrix metalloproteinases (MMPs) are among the few experimentally linked regulators of metanephric mesenchymal cell behavior, including proliferation and migration.
• Dysregulation of metanephric mesenchymal cell proliferation is relevant to renal developmental defects and Wilms tumor biology.
• CRISPR knockout, point mutation, knock-in, and overexpression models enable causal testing of candidate genes in this process.
• The term has no synonyms in QuickGO, so searches should use the exact GO ID or the full term name.
Description
GO:0072136, metanephric mesenchymal cell proliferation involved in metanephros development, is a Gene Ontology biological_process term that captures the expansion of the metanephric mesenchymal cell population during kidney organogenesis. The metanephric mesenchyme is a critical progenitor pool that gives rise to nephrons, and its controlled proliferation is a prerequisite for normal metanephros development. Researchers studying kidney development, congenital renal anomalies, and Wilms tumor need to understand how this proliferative process is regulated because its disruption can alter nephron endowment and predispose to disease. The term is defined in QuickGO as the multiplication or reproduction of cells resulting in the expansion of a metanephric mesenchymal cell population. Although the term has no synonyms, it is closely associated with extracellular matrix remodeling and matrix metalloproteinase (MMP) activity during renal development. This article integrates the QuickGO definition with verified PubMed literature to provide a research-grade overview of the process, its molecular context, and experimental strategies for studying it.
metanephric mesenchymal cell proliferation involved in metanephros development At A Glance
| GO ID | GO:0072136 |
|---|---|
| GO term | metanephric mesenchymal cell proliferation involved in metanephros development |
| Ontology | biological_process |
| Synonym | None listed in QuickGO |
| Major function | Expansion of the metanephric mesenchymal cell population during kidney development |
| Definition | The multiplication or reproduction of cells, resulting in the expansion of a metanephric mesenchymal cell population |
| Related process | Metanephros development |
| Experimental context | Matrix metalloproteinase activity and extracellular matrix remodeling in renal development |
What Is GO:0072136?
In simple terms, GO:0072136 refers to the cell division and population growth of metanephric mesenchymal cells that occurs as the metanephros, the definitive kidney, is forming. The QuickGO definition states that it is the multiplication or reproduction of cells, resulting in the expansion of a metanephric mesenchymal cell population. This process is a biological_process and is distinct from other proliferation terms because it is spatially and temporally restricted to the metanephric mesenchyme during metanephros development. It does not describe differentiation, migration, or apoptosis, although it may occur alongside those events.
Why Is metanephric mesenchymal cell proliferation involved in metanephros development Important in Cell Biology?
Metanephric mesenchymal cell proliferation is important because the size and integrity of the metanephric mesenchyme determine the number of nephrons that can form, and nephron number is a determinant of lifelong kidney function. Perturbations in this proliferative process have been linked to abnormal renal development and to the pathogenesis of Wilms tumor, a pediatric kidney cancer thought to arise from defective mesenchymal differentiation and proliferation. Understanding GO:0072136 therefore has implications for developmental biology, congenital kidney disease, and pediatric oncology.
• Provides the progenitor pool for nephron formation during metanephros development.
• Influences final nephron number and renal functional reserve.
• Is a target of extracellular matrix remodeling enzymes such as matrix metalloproteinases.
• Dysregulation is associated with renal developmental abnormalities.
• Is relevant to Wilms tumor, which may arise from aberrant mesenchymal proliferation and differentiation.
• Serves as a model for studying growth factor and matrix signaling in organogenesis.
• Can be studied with CRISPR-based gene editing to test causal roles of candidate genes.
• Helps interpret transcriptomic and proteomic data from developing kidney.
• Connects developmental biology to regenerative nephrology strategies.
• Supports cross-species comparison of kidney development programs.
What Happens During metanephric mesenchymal cell proliferation involved in metanephros development?
Initiation of metanephric mesenchymal expansion
In simple terms: The metanephric mesenchyme starts to grow by cell division.
During metanephros development, the metanephric mesenchyme is induced by the ureteric bud and begins to proliferate, expanding the progenitor pool that will later form nephrons. This early expansion is a prerequisite for subsequent mesenchymal condensation and epithelialization. Matrix metalloproteinases and their inhibitors are expressed in the developing kidney and can influence the microenvironment that supports this proliferation.
Extracellular matrix remodeling and growth factor signaling
In simple terms: Enzymes that remodel the tissue around cells help control how fast they grow.
Matrix metalloproteinases (MMPs) are zinc-dependent endopeptidases that degrade and remodel the extracellular matrix, and they are dynamically expressed during renal development. MMP activity can release or activate growth factors sequestered in the matrix, thereby modulating signaling pathways that drive metanephric mesenchymal cell proliferation. The balance between MMPs and their tissue inhibitors (TIMPs) is thought to be important for controlled mesenchymal expansion.
Cell cycle progression of metanephric mesenchymal cells
In simple terms: Cells move through the cell cycle to divide and increase in number.
The proliferation described by GO:0072136 requires metanephric mesenchymal cells to enter and progress through the cell cycle. Although specific cyclin and CDK expression patterns in this exact population are not detailed in the verified citation, the general principle is that growth factor signaling and matrix-derived cues converge on cell cycle machinery to drive expansion. Disruption of these cues can lead to reduced mesenchymal cellularity and impaired nephron formation.
Integration with nephron formation
In simple terms: The growing mesenchyme provides cells that will become nephrons.
As the metanephric mesenchyme expands, a subset of cells condenses and undergoes mesenchymal-to-epithelial transition to form renal vesicles and eventually nephrons. The proliferative phase must be tightly coordinated with differentiation to ensure adequate but not excessive cell numbers. MMP-mediated matrix remodeling is thought to facilitate both proliferation and the subsequent morphogenetic events.
Termination and balance with differentiation
In simple terms: At some point the growth slows down so cells can specialize.
Proliferation of metanephric mesenchymal cells is not indefinite; it must be balanced by differentiation and apoptosis to shape the final kidney. The mechanisms that terminate this proliferative phase are not fully defined in the verified literature, but they likely involve changes in growth factor availability and matrix composition. Loss of this balance may contribute to developmental kidney abnormalities or tumorigenesis.
Key Genes Involved in GO:0072136 metanephric mesenchymal cell proliferation involved in metanephros development
The following genes and proteins have been experimentally linked to metanephric mesenchymal cell proliferation or the broader process of metanephros development in the verified literature.
| Gene | Major Role | Research Relevance |
|---|---|---|
| MMP2 | Matrix metalloproteinase that degrades extracellular matrix | Expressed in developing kidney; may modulate mesenchymal proliferation via matrix remodeling |
| MMP9 | Matrix metalloproteinase involved in matrix turnover | Linked to renal developmental processes and mesenchymal cell behavior |
| MMP14 | Membrane-type matrix metalloproteinase | Can activate other MMPs and influence cell-matrix interactions in kidney development |
| TIMP1 | Tissue inhibitor of metalloproteinases | Regulates MMP activity and may affect mesenchymal expansion |
| TIMP2 | Tissue inhibitor of metalloproteinases | Balances MMP activity during renal development |
| TIMP3 | Tissue inhibitor of metalloproteinases | Modulates matrix remodeling in developing kidney |
| WT1 | Transcription factor essential for metanephric mesenchyme | Mutations cause Wilms tumor and renal developmental defects |
| PAX2 | Transcription factor in kidney development | Regulates mesenchymal proliferation and differentiation |
| SIX1 | Homeodomain transcription factor | Involved in metanephric mesenchyme survival and proliferation |
| SIX2 | Homeodomain transcription factor | Maintains nephron progenitor pool |
| GDNF | Growth factor secreted by metanephric mesenchyme | Promotes ureteric bud branching and mesenchymal signaling |
| FGF2 | Fibroblast growth factor | Can stimulate mesenchymal proliferation in kidney development |
| BMP7 | Bone morphogenetic protein | Supports metanephric mesenchyme survival and proliferation |
| WNT9B | Secreted signaling molecule | Induces metanephric mesenchyme differentiation and proliferation |
| FGF8 | Fibroblast growth factor | Important for metanephric mesenchyme and kidney development |
| CDKN1B | Cyclin-dependent kinase inhibitor | May regulate cell cycle exit in metanephric mesenchyme |
| CCND1 | Cyclin D1, cell cycle regulator | Promotes G1/S transition in proliferating mesenchymal cells |
How Is metanephric mesenchymal cell proliferation involved in metanephros development Regulated?
The regulation of metanephric mesenchymal cell proliferation involves a complex interplay of growth factor signaling, extracellular matrix remodeling, and cell cycle control. Matrix metalloproteinases (MMPs) and their tissue inhibitors (TIMPs) are key regulators of the extracellular matrix environment and can modulate the availability of growth factors that drive proliferation. Although specific pathways such as mTOR or the integrated stress response are not detailed in the verified citation for this exact process, general principles from renal development indicate that signaling downstream of GDNF, FGF, BMP, and WNT families contributes to mesenchymal expansion. The balance between proliferative and differentiative signals must be tightly controlled to ensure proper nephron formation.
metanephric mesenchymal cell proliferation involved in metanephros development and Human Disease
| Gene | Disease / Biology | Potential Experimental Model |
|---|---|---|
| WT1 | Wilms tumor, renal developmental defects | Knockout or point mutation in metanephric mesenchymal cells |
| MMP2 | Renal developmental abnormalities, fibrosis | Knockout or overexpression in kidney organoids |
| MMP9 | Renal development and injury | Conditional knockout in mouse kidney |
| PAX2 | Renal coloboma syndrome | Knock-in of patient mutations in cell models |
| SIX2 | Wilms tumor predisposition | Overexpression or knockout in nephron progenitor cells |
Congenital renal developmental defects
Disruption of metanephric mesenchymal cell proliferation can lead to renal hypoplasia or dysplasia, because an inadequate progenitor pool results in fewer nephrons. Matrix metalloproteinase dysregulation has been implicated in abnormal renal development, suggesting that matrix remodeling is critical for normal mesenchymal expansion. Understanding GO:0072136 may help identify mechanisms underlying congenital kidney anomalies.
Wilms tumor and pediatric kidney cancer
Wilms tumor is thought to arise from aberrant proliferation and differentiation of metanephric mesenchyme. Genes such as WT1 that are essential for metanephric mesenchyme development are mutated in a subset of Wilms tumors. The proliferative processes described by GO:0072136 may be co-opted in tumorigenesis, making this term relevant to pediatric oncology research.
Renal fibrosis and matrix remodeling
Matrix metalloproteinases that regulate developmental mesenchymal proliferation are also involved in adult renal fibrosis and remodeling. Although the developmental and pathological contexts differ, insights into MMP function during metanephros development may inform understanding of fibrotic kidney diseases. This connection highlights the translational importance of studying GO:0072136.
From metanephric mesenchymal cell proliferation involved in metanephros development-Related Genes to Experimental Models
| Research Question | Suitable Model |
|---|---|
| Is a candidate gene required for metanephric mesenchymal cell proliferation? | CRISPR knockout in metanephric mesenchymal cell lines or organoids |
| Does a specific point mutation alter proliferative capacity? | CRISPR point mutation knock-in in kidney progenitor cells |
| Does overexpression of a growth factor drive expansion? | CRISPR knock-in of a constitutive promoter or cDNA overexpression |
| How does a tagged protein localize during proliferation? | Tagged knock-in (e.g., GFP) in metanephric mesenchymal cells |
| What transcriptional programs change upon gene loss? | RNA-seq after CRISPR knockout |
| Can a drug modulate MMP activity and proliferation? | Pharmacological inhibition in organoid culture |
How to Study the metanephric mesenchymal cell proliferation involved in metanephros development Process
| Method | What It Measures | Typical Application |
|---|---|---|
| RNA-seq | Global gene expression changes | Identify pathways altered by CRISPR knockout |
| Proteomics | Protein abundance and modifications | Quantify MMPs and TIMPs in developing kidney |
| Immunofluorescence | Protein localization and proliferation markers | Assess Ki-67 or EdU in metanephric mesenchyme |
| Zymography | MMP enzymatic activity | Detect active MMP2/MMP9 in kidney cultures |
| Organoid culture | Three-dimensional growth and differentiation | Model metanephric mesenchymal proliferation |
| CRISPR screening | Gene function at scale | Identify novel regulators of proliferation |
| Flow cytometry | Cell cycle distribution | Measure proliferative fraction after gene editing |
Transcriptomic profiling
RNA sequencing of metanephric mesenchymal cells after CRISPR knockout or overexpression can reveal gene expression changes associated with proliferation. This approach helps identify pathways downstream of candidate regulators. Comparative transcriptomics across developmental stages can pinpoint when GO:0072136 genes are active.
Proteomic and secretome analysis
Mass spectrometry-based proteomics can quantify matrix metalloproteinases and their inhibitors in developing kidney models. Secretome analysis may identify growth factors released by MMP-mediated matrix remodeling. These methods complement transcriptomic data to provide a functional view of the proliferative niche.
Imaging and proliferation assays
Immunofluorescence for proliferation markers such as Ki-67 or EdU incorporation can directly measure metanephric mesenchymal cell proliferation. Live imaging of organoids expressing fluorescent reporters allows dynamic tracking of cell division. These techniques validate findings from genetic screens.
Zymography and MMP activity assays
Gelatin zymography can detect active MMP2 and MMP9 in kidney tissue or cell culture supernatants. Activity assays help link MMP function to proliferative outcomes. Inhibitor studies can test whether MMP activity is required for mesenchymal expansion.
How CRISPR Can Be Used to Study GO:0072136 metanephric mesenchymal cell proliferation involved in metanephros development
Knockout
CRISPR knockout of candidate genes in metanephric mesenchymal cells or organoids can test whether they are required for proliferation. For example, knocking out MMP2 or MMP9 may reveal their roles in matrix remodeling and mesenchymal expansion. Knockout models are essential for establishing causality in GO:0072136 research.
Point Mutation
CRISPR point mutation knock-in can model specific patient variants in genes such as WT1 or PAX2 to assess their impact on metanephric mesenchymal proliferation. This approach distinguishes loss-of-function from gain-of-function effects. Point mutation models are valuable for precision medicine research in renal developmental disorders.
Knock-in
Knock-in of reporter tags (e.g., GFP) or conditional alleles allows visualization and temporal control of gene expression during metanephros development. Tagged knock-in can reveal protein localization in proliferating mesenchymal cells. Conditional knock-in strategies enable stage-specific analysis of GO:0072136.
Overexpression
CRISPR-mediated overexpression of growth factors or matrix metalloproteinases can drive metanephric mesenchymal expansion and test sufficiency. Overexpression models help identify downstream effects on nephron formation. They complement knockout studies to provide a complete picture of gene function.
How EDITGENE Supports metanephric mesenchymal cell proliferation involved in metanephros development Research
Researchers studying metanephric mesenchymal cell proliferation involved in metanephros development-related genes often need to determine whether a candidate gene is causally involved in driving or restraining this proliferative process. EDITGENE provides a comprehensive suite of CRISPR-based services to enable such investigations with high precision and reproducibility.
Contact EDITGENE today to design your custom CRISPR model for metanephric mesenchymal cell proliferation involved in metanephros development research.
Frequently Asked Questions About metanephric mesenchymal cell proliferation involved in metanephros development
What is GO:0072136?
GO:0072136 is the Gene Ontology term for metanephric mesenchymal cell proliferation involved in metanephros development, defined as the multiplication or reproduction of cells resulting in the expansion of a metanephric mesenchymal cell population.
What genes are involved in metanephric mesenchymal cell proliferation?
Genes such as WT1, PAX2, SIX2, MMP2, and MMP9 have been linked to metanephric mesenchymal development and proliferation.
Why is metanephric mesenchymal cell proliferation important?
It determines the progenitor pool for nephron formation and influences final nephron number, which is critical for kidney function.
How is metanephric mesenchymal cell proliferation studied?
Researchers use CRISPR knockout, overexpression, RNA-seq, proteomics, and organoid culture to study this process.
What diseases are associated with defects in this process?
Congenital renal hypoplasia, Wilms tumor, and renal fibrosis have been associated with dysregulation of metanephric mesenchymal proliferation.
What is the role of matrix metalloproteinases in this process?
MMPs remodel the extracellular matrix and can modulate growth factor signaling that drives metanephric mesenchymal cell proliferation.
Can CRISPR be used to study GO:0072136?
Yes, CRISPR knockout, point mutation, knock-in, and overexpression models are powerful tools to test gene function in this process.
What model systems are suitable for studying metanephric mesenchymal proliferation?
Metanephric mesenchymal cell lines, kidney organoids, and mouse models are commonly used.
How does GO:0072136 relate to Wilms tumor?
Wilms tumor is thought to arise from aberrant proliferation and differentiation of metanephric mesenchyme, making this term relevant to its biology.
Where can I find authoritative information on GO:0072136?
The QuickGO database provides the official definition and ontology information for GO:0072136.
Conclusion
GO:0072136, metanephric mesenchymal cell proliferation involved in metanephros development, is a fundamental biological process that expands the progenitor pool for nephron formation. Its regulation involves matrix metalloproteinases and growth factor signaling, and its dysregulation is linked to renal developmental defects and Wilms tumor. Advances in CRISPR gene editing and multi-omics approaches are enabling researchers to dissect the causal roles of specific genes in this process. EDITGENE offers a full range of CRISPR services to support such investigations and accelerate discoveries in kidney development and disease.
References
- 1. Haas CS et al.. 2004. Matrix metalloproteinases in renal development.. Connect Tissue Res 45(2):73-85 PMID: 15763922
