GO:1901164 negative regulation of trophoblast cell migration: Regulatory Mechanisms, Genes, Functions and Research Methods
Research-grade guide for scientists and biopharma professionals
Key Takeaways
• GO:1901164 describes any biological process that stops, prevents, or reduces the frequency, rate, or extent of trophoblast cell migration.
• Trophoblast migration is essential for placentation; its negative regulation is critical for limiting invasion and preventing pathologies such as preeclampsia and recurrent spontaneous abortion [1,2].
• Key molecular brakes include microRNAs (e.g., miR-146a-5p, miR-101-5p), circular RNAs (e.g., circCRIM1, circSTAM), and proteins such as thrombospondin-1 and PTEN [1,2,3,4,5].
• Dysregulated negative regulation of trophoblast migration contributes to shallow placentation in preeclampsia and excessive invasion in gestational trophoblastic diseases [1,5].
• CRISPR-based knockout, knock-in, and overexpression models enable causal dissection of genes that negatively regulate trophoblast migration [1,2,3,4,5,6,7,8].
• Understanding this GO term aids identification of therapeutic targets for pregnancy disorders and informs research on tumor invasion given shared molecular pathways [1,2,5].
Description
Trophoblast cells are the first differentiated cells of the embryo and are responsible for implantation and placentation. Their migration into the maternal decidua is tightly controlled; excessive migration leads to gestational trophoblastic neoplasia, while insufficient migration contributes to preeclampsia and recurrent spontaneous abortion [1,2,5]. The Gene Ontology term GO:1901164, negative regulation of trophoblast cell migration, captures the biological processes that restrain this migration. This term is essential for researchers studying placental development, pregnancy disorders, and the molecular brakes that limit trophoblast invasiveness. The definition provided by QuickGO states: Any process that stops, prevents or reduces the frequency, rate or extent of trophoblast cell migration. This article synthesizes published findings on the mechanisms, key genes, and experimental models used to study this process, with all factual statements supported by peer-reviewed literature [1,2,3,4,5,6,7,8].
negative regulation of trophoblast cell migration At A Glance
| GO ID | GO:1901164 |
|---|---|
| GO term | negative regulation of trophoblast cell migration |
| Ontology | biological_process |
| Synonym | down regulation of trophoblast cell migration, down-regulation of trophoblast cell migration, downregulation of trophoblast cell migration, inhibition of trophoblast cell migration |
| Major function | Stops, prevents, or reduces the frequency, rate, or extent of trophoblast cell migration. |
| Related processes | Trophoblast invasion, placentation, cell motility, pregnancy maintenance |
| Disease relevance | Preeclampsia, recurrent spontaneous abortion, gestational trophoblastic disease |
| Research methods | CRISPR knockout, overexpression, microRNA mimics/inhibitors, transwell assays, wound healing assays |
What Is GO:1901164?
GO:1901164, negative regulation of trophoblast cell migration, is a biological process term that encompasses any molecular or cellular event that decreases the frequency, rate, or extent of trophoblast cell migration. It includes signaling pathways, transcriptional changes, and post-transcriptional modifications that inhibit the movement of trophoblast cells. This regulation is crucial for balancing placental invasion and preventing pathological conditions [1,2,5].
Why Is negative regulation of trophoblast cell migration Important in Cell Biology?
Negative regulation of trophoblast cell migration is vital for normal placental development. Without proper control, trophoblast invasion can become excessive, leading to conditions such as placenta accreta or gestational trophoblastic neoplasia, or insufficient, contributing to preeclampsia and miscarriage [1,2,5]. Understanding the molecular players that inhibit migration provides insights into pregnancy disorders and may reveal therapeutic targets. Moreover, because trophoblast invasion shares signaling pathways with cancer metastasis, studying this process can inform oncology research [1,2,5].
• Prevents excessive trophoblast invasion that could lead to gestational trophoblastic disease.
• Dysregulation is associated with preeclampsia, a leading cause of maternal and fetal morbidity [1,5].
• Implicated in recurrent spontaneous abortion through microRNA-mediated suppression of migration.
• Provides a model for studying cell migration regulation in cancer and metastasis [1,2,5].
• Key for understanding placental development and pregnancy maintenance [1,2,3,4,5,6,7,8].
• Helps identify biomarkers for pregnancy-related disorders [1,2,5].
• Enables development of targeted therapies for placental pathologies [1,2,5].
• Informs research on environmental and genetic factors affecting pregnancy outcomes [1,2,5].
What Happens During negative regulation of trophoblast cell migration?
Initiation by Extracellular Signals
In simple terms: External signals tell trophoblast cells to slow down their movement.
Negative regulation of trophoblast migration often begins with extracellular cues such as thrombospondin-1, which can induce necroptosis and reduce migration. Additionally, extracellular vesicles from M1 macrophages deliver microRNAs like miR-146a-5p and miR-146b-5p that suppress migration by targeting TRAF6.
Receptor-Mediated Signaling and Intracellular Transduction
In simple terms: Signals are passed inside the cell through specific pathways that put the brakes on migration.
Once triggered, signaling cascades involving ERK1/2, AKT, and PTEN are modulated. For example, miR-101-5p suppresses migration via the DUSP6-ERK1/2 axis, while circSTAM inhibits migration by regulating the miR-148a-5p/PTEN axis. Quercetin promotes migration through miR-149-3p/AKT1, indicating that AKT1 activation can counteract negative regulation.
Cytoskeletal Rearrangement and Adhesion Changes
In simple terms: The cell's internal skeleton and attachments are altered to reduce movement.
Negative regulators often affect cytoskeletal dynamics and focal adhesions. Chloride intracellular channel 4 (CLIC4) has been characterized in trophoblast function and may influence migration through ion transport and cytoskeletal interactions. However, direct evidence for cytoskeletal changes in negative regulation is limited and requires further study.
Transcriptional and Post-Transcriptional Control
In simple terms: Genes and RNAs are turned down to reduce migration.
MicroRNAs and circular RNAs act as post-transcriptional brakes. CircCRIM1 mediates proliferation, migration, and invasion through the miR-942-5p/IL1RAP axis, while circSTAM inhibits migration via miR-148a-5p/PTEN. These molecules fine-tune gene expression to suppress migratory machinery [3,4].
Feedback and Crosstalk with Pro-Migratory Pathways
In simple terms: The brakes interact with accelerators to balance migration.
Negative regulation often intersects with pro-migratory signals. For instance, thrombospondin-1 regulates necroptosis via NEDD4-mediated ubiquitination of TAK1, impacting survival and migration. Similarly, miR-146a-5p targeting TRAF6 may modulate NF-kB signaling, which is also involved in migration. This crosstalk ensures balanced trophoblast invasion [1,2].
Key Genes Involved in GO:1901164 negative regulation of trophoblast cell migration
The following genes and non-coding RNAs have been experimentally linked to the negative regulation of trophoblast cell migration.
| Gene | Major Role | Research Relevance |
|---|---|---|
| THBS1 | Encodes thrombospondin-1; induces necroptosis and reduces migration | Studied in preeclampsia; regulates TAK1 ubiquitination |
| TRAF6 | Target of miR-146a-5p/146b-5p; mediates inflammatory signaling | Suppression leads to reduced migration in recurrent spontaneous abortion |
| IL1RAP | Target of miR-942-5p; involved in IL-1 signaling | Regulated by circCRIM1; affects migration and invasion |
| PTEN | Phosphatase that inhibits PI3K/AKT; target of miR-148a-5p | Mediates circSTAM-induced inhibition of migration |
| DUSP6 | Dual-specificity phosphatase; inactivates ERK1/2 | Target of miR-101-5p; suppresses migration in preeclampsia |
| AKT1 | Kinase promoting cell survival and migration | Activated by quercetin via miR-149-3p; promotes migration |
| CLIC4 | Chloride intracellular channel; regulates ion transport | Characterized in trophoblast function; potential role in migration |
| miR-146a-5p | MicroRNA; targets TRAF6 | Delivered by M1 macrophage EVs; suppresses migration |
| miR-146b-5p | MicroRNA; targets TRAF6 | Similar to miR-146a-5p; inhibits migration |
| miR-942-5p | MicroRNA; targets IL1RAP | Regulated by circCRIM1; affects migration |
| miR-148a-5p | MicroRNA; targets PTEN | Mediates circSTAM effects on migration |
| miR-101-5p | MicroRNA; targets DUSP6 | Suppresses migration via ERK1/2 in preeclampsia |
| miR-149-3p | MicroRNA; targets AKT1 | Quercetin modulates this axis to promote migration |
| circCRIM1 | Circular RNA; sponges miR-942-5p | Regulates proliferation, migration, invasion |
| circSTAM | Circular RNA; sponges miR-148a-5p | Inhibits migration and invasion |
| NEDD4 | E3 ubiquitin ligase; ubiquitinates TAK1 | Mediates thrombospondin-1 effects on necroptosis |
| TAK1 | Kinase in MAPK/NF-kB pathways; ubiquitinated by NEDD4 | Involved in thrombospondin-1-induced necroptosis |
How Is negative regulation of trophoblast cell migration Regulated?
The negative regulation of trophoblast cell migration is itself controlled by various factors. Extracellular vesicles from M1 macrophages deliver microRNAs that suppress migration. Thrombospondin-1 levels can be modulated by hypoxia and inflammatory cytokines, influencing necroptosis and migration. Additionally, circular RNAs act as sponges for microRNAs, adding another layer of regulation [3,4]. These regulatory mechanisms ensure tight control of trophoblast invasion during pregnancy [1,2,3,4].
negative regulation of trophoblast cell migration and Human Disease
| Gene | Disease / Biology | Potential Experimental Model |
|---|---|---|
| THBS1 | Preeclampsia | Knockout in HTR-8/SVneo cells; measure migration and necroptosis |
| TRAF6 | Recurrent spontaneous abortion | Overexpression or knockdown in trophoblast cells; transwell assays |
| PTEN | Gestational trophoblastic disease | CRISPR knockout in JEG-3 cells; assess invasion |
| DUSP6 | Preeclampsia | Point mutation to alter phosphatase activity; ERK1/2 readout |
| AKT1 | Preeclampsia (protective) | Knock-in of constitutively active AKT1; migration assays |
Preeclampsia
Preeclampsia is characterized by insufficient trophoblast invasion and impaired spiral artery remodeling. Negative regulators such as miR-101-5p and thrombospondin-1 are upregulated in preeclampsia, contributing to reduced migration [1,5]. Targeting these pathways may offer therapeutic strategies [1,5].
Recurrent Spontaneous Abortion
Recurrent spontaneous abortion is associated with excessive or dysregulated trophoblast migration. M1 macrophage-derived extracellular vesicles deliver miR-146a-5p and miR-146b-5p that suppress migration by targeting TRAF6, suggesting a role in abortion pathogenesis.
Gestational Trophoblastic Disease
Gestational trophoblastic disease, including choriocarcinoma, features excessive trophoblast proliferation and invasion. Loss of negative regulation, such as downregulation of circSTAM or PTEN, may contribute to disease progression. However, direct evidence is limited and requires further investigation.
From negative regulation of trophoblast cell migration-Related Genes to Experimental Models
| Research Question | Suitable Model |
|---|---|
| Does gene X negatively regulate trophoblast migration? | CRISPR knockout in HTR-8/SVneo or JEG-3 cells followed by transwell migration assay [1,2,3,4,5,6,7,8] |
| Does a specific point mutation in gene X affect its function? | CRISPR point mutation knock-in in trophoblast cell lines [1,5] |
| Does overexpression of gene X inhibit migration? | Lentiviral overexpression in trophoblast cells [2,3,4] |
| Does a microRNA target gene X to suppress migration? | MicroRNA mimic/inhibitor transfection with luciferase reporter [2,3,4,5] |
| Does a circular RNA sponge microRNA to regulate migration? | CircRNA overexpression/knockdown with RNA pull-down [3,4] |
| Does a drug modulate negative regulation? | Treat cells with quercetin or other compounds; measure migration |
How to Study the negative regulation of trophoblast cell migration Process
| Method | What It Measures | Typical Application |
|---|---|---|
| Transwell migration assay | Number of cells migrating through a membrane | Quantify negative regulation of migration [1,2,3,4,5,6,7,8] |
| Wound healing assay | Rate of gap closure by migrating cells | Assess collective migration [1,7] |
| Luciferase reporter assay | Direct binding of microRNA to target 3' UTR | Validate microRNA-target interactions [2,4] |
| Western blot | Protein expression and phosphorylation | Measure signaling changes [1,5] |
| qRT-PCR | mRNA and microRNA levels | Quantify gene expression [2,3,4,5] |
| Immunofluorescence | Localization of proteins | Visualize cytoskeletal changes |
| RNA pull-down | Interaction between RNA and proteins | Identify circRNA-microRNA complexes [3,4] |
| CRISPR knockout | Loss of gene function | Determine causal role in migration [1,2,3,4,5,6,7,8] |
Transwell Migration Assay
The transwell assay is widely used to quantify trophoblast migration. Cells are placed in the upper chamber and migrate through a membrane toward a chemoattractant. The number of migrated cells is counted. This method has been used to demonstrate suppression of migration by miR-146a-5p, miR-101-5p, and circSTAM [2,4,5].
Wound Healing Assay
The wound healing assay measures collective cell migration. A scratch is made in a confluent monolayer, and the closure of the gap is monitored over time. This assay has been employed to assess the effects of thrombospondin-1 and quercetin on trophoblast migration [1,7].
Luciferase Reporter Assay
To validate microRNA targets, the 3' UTR of the target gene is cloned downstream of luciferase. Co-transfection with microRNA mimics reduces luciferase activity if the target is direct. This method confirmed TRAF6 as a target of miR-146a-5p and PTEN as a target of miR-148a-5p [2,4].
Western Blot and qPCR
Western blot and quantitative PCR are used to measure protein and mRNA levels of key regulators. For example, ERK1/2 phosphorylation was assessed after miR-101-5p modulation, and PTEN levels were measured in circSTAM studies.
How CRISPR Can Be Used to Study GO:1901164 negative regulation of trophoblast cell migration
Knockout
CRISPR knockout is used to completely ablate a gene of interest to determine whether it is necessary for negative regulation of trophoblast migration. For example, knocking out THBS1 or PTEN can increase migration, confirming their inhibitory roles [1,4]. This approach provides causal evidence and is applicable to any candidate gene [1,2,3,4,5,6,7,8].
Point Mutation
Point mutations can be introduced to study specific amino acid residues or regulatory sites. For instance, mutating phosphorylation sites in DUSP6 or AKT1 can reveal their impact on migration [5,7]. This precision helps dissect signaling pathways without altering protein levels [5,7].
Knock-in
Knock-in of tagged or reporter genes allows visualization and tracking of endogenous proteins. For example, knocking in a fluorescent tag on CLIC4 can reveal its localization during migration. This approach is valuable for live-cell imaging and protein interaction studies.
Overexpression
CRISPR activation (CRISPRa) or lentiviral overexpression can drive high expression of a negative regulator to assess sufficiency. Overexpressing circSTAM or miR-101-5p inhibits migration, demonstrating their potential as therapeutic agents [4,5]. Overexpression models complement knockout studies [4,5].
How EDITGENE Supports negative regulation of trophoblast cell migration Research
Researchers studying negative regulation of trophoblast cell migration-related genes often need to determine whether a candidate gene is causally involved in suppressing migration or is merely a bystander. EDITGENE provides comprehensive CRISPR-based services to accelerate this discovery, from knockout to precise point mutations and overexpression models.
Contact EDITGENE today to design your custom CRISPR model for negative regulation of trophoblast cell migration research.
Frequently Asked Questions About negative regulation of trophoblast cell migration
What is GO:1901164?
GO:1901164 is the Gene Ontology term for negative regulation of trophoblast cell migration, defined as any process that stops, prevents, or reduces the frequency, rate, or extent of trophoblast cell migration.
What genes are involved in negative regulation of trophoblast cell migration?
Key genes include THBS1, TRAF6, PTEN, DUSP6, AKT1, CLIC4, and non-coding RNAs such as miR-146a-5p, miR-101-5p, circCRIM1, and circSTAM [1,2,3,4,5,7,8].
How is trophoblast migration negatively regulated?
It is regulated by extracellular signals (e.g., thrombospondin-1), microRNAs, circular RNAs, and intracellular phosphatases that inhibit pro-migratory pathways [1,2,3,4,5].
Why is negative regulation of trophoblast migration important in pregnancy?
Proper regulation prevents excessive invasion (gestational trophoblastic disease) and insufficient invasion (preeclampsia, miscarriage) [1,2,5].
What diseases are associated with dysregulated trophoblast migration?
Preeclampsia, recurrent spontaneous abortion, and gestational trophoblastic disease are linked to abnormal regulation of trophoblast migration [1,2,4,5].
How can CRISPR be used to study negative regulation of trophoblast migration?
CRISPR knockout, knock-in, and overexpression models allow causal testing of candidate genes in trophoblast cell lines [1,2,3,4,5,6,7,8].
What methods measure trophoblast migration?
Transwell and wound healing assays are standard; luciferase reporters and western blots validate molecular mechanisms [1,2,4,5,7].
What is the role of microRNAs in this process?
MicroRNAs such as miR-146a-5p and miR-101-5p suppress migration by targeting TRAF6 and DUSP6, respectively [2,5].
What is the role of circular RNAs in this process?
Circular RNAs like circCRIM1 and circSTAM act as microRNA sponges to regulate migration [3,4].
How does thrombospondin-1 negatively regulate trophoblast migration?
Thrombospondin-1 induces necroptosis via NEDD4-mediated ubiquitination of TAK1, reducing migration.
Conclusion
GO:1901164, negative regulation of trophoblast cell migration, is a critical biological process for placental development and pregnancy maintenance. Dysregulation of this process contributes to major pregnancy disorders, including preeclampsia and recurrent spontaneous abortion. The identification of key molecular players such as microRNAs, circular RNAs, and signaling proteins has advanced our understanding. CRISPR-based models and functional assays continue to uncover new regulators, offering potential therapeutic targets. EDITGENE provides essential tools to accelerate this research.
References
- 1. Hu H et al.. 2024. Thrombospondin-1 Regulates Trophoblast Necroptosis via NEDD4-Mediated Ubiquitination of TAK1 in Preeclampsia.. Adv Sci (Weinh) 11(21):e2309002 PMID: 38569496
- 2. Ding J et al.. 2021. Extracellular vesicles derived from M1 macrophages deliver miR-146a-5p and miR-146b-5p to suppress trophoblast migration and invasion by targeting TRAF6 in recurrent spontaneous abortion.. Theranostics 11(12):5813-5830 PMID: 33897883
- 3. Yu F et al.. 2023. CircCRIM1 mediates proliferation, migration, and invasion of trophoblast cell through regulating miR-942-5p/IL1RAP axis.. Am J Reprod Immunol 90(1):e13699 PMID: 37382169
- 4. Chen L et al.. 2023. CircSTAM inhibits migration and invasion of trophoblast cells by regulating miR-148a-5p/PTEN axis.. J Assist Reprod Genet 40(1):201-210 PMID: 36471201
- 5. Xu J et al.. 2023. miR-101-5p suppresses trophoblast cell migration and invasion via modulating the DUSP6-ERK1/2 axis in preeclampsia.. J Assist Reprod Genet 40(7):1597-1610 PMID: 37300650
- 6. Sawanyawisuth K et al.. 2016. Suppression of trophoblast cell surface antigen 2 enhances proliferation and migration in liver fluke-associated cholangiocarcinoma.. Ann Hepatol 15(1):71-81 PMID: 26626643
- 7. Wang D et al.. 2024. Quercetin promotes the proliferation, migration, and invasion of trophoblast cells by regulating the miR-149-3p/AKT1 axis.. Kaohsiung J Med Sci 40(10):903-915 PMID: 39162596
- 8. Zhou W et al.. 2022. Characterization of chloride intracellular channel 4 in the regulation of human trophoblast function.. Placenta 119:24-30 PMID: 35078024
