GO:1904747 positive regulation of apoptotic process involved in development: Mechanism, Genes, Functions and Research Methods
Research-grade guide for scientists and biopharma professionals
Key Takeaways
• GO:1904747 describes any process that activates or increases the frequency, rate or extent of apoptotic process specifically during development.
• It is a biological_process term that couples cell death machinery to developmental morphogenesis and tissue remodeling.
• Core regulators include caspases, BCL-2 family proteins, p53, XIAP, and developmental signaling pathways such as Wnt/β-catenin.
• Dysregulation of this process contributes to developmental defects, cancer, and inflammatory diseases.
• CRISPR knockout, point mutation, knock-in, and overexpression models are essential to dissect causal roles of individual genes in this process.
• Studying GO:1904747 requires combining developmental biology, apoptosis assays, and functional genomics.
Description
Apoptosis is a genetically programmed form of cell death essential for normal development, tissue homeostasis, and elimination of damaged cells. During embryogenesis and organogenesis, precise spatial and temporal activation of apoptosis sculpts structures, removes transient tissues, and eliminates cells that fail to receive survival signals. The Gene Ontology term GO:1904747, positive regulation of apoptotic process involved in development, captures the regulatory events that increase the occurrence or efficiency of apoptosis specifically in developmental contexts. This term is distinct from general positive regulation of apoptosis because it is restricted to apoptotic events that are part of a developmental program. Understanding GO:1904747 is critical for researchers studying morphogenesis, organ size control, and developmental disorders, as well as for cancer biologists because reactivation of developmental apoptotic programs is a common therapeutic goal. The process is orchestrated by a conserved molecular machinery including caspases, BCL-2 family proteins, inhibitor of apoptosis (IAP) proteins, and developmental signaling pathways such as Wnt/β-catenin and p53. This article integrates authoritative QuickGO annotation with real PubMed literature to provide a research-grade overview of GO:1904747, its key genes, regulatory mechanisms, disease relevance, and experimental models for functional studies.
positive regulation of apoptotic process involved in development At A Glance
| GO ID | GO:1904747 |
|---|---|
| GO term | positive regulation of apoptotic process involved in development |
| Ontology | biological_process |
| Synonym | up regulation of apoptotic process involved in development; activation of apoptosis involved in anatomical structure development; positive regulation of apoptotic cell death involved in development of an anatomical structure |
| Major function | Increases the frequency, rate or extent of apoptosis during development, contributing to morphogenesis and tissue remodeling |
| Related processes | Apoptotic signaling, caspase activation, BCL-2 family regulation, developmental signaling pathways |
| Key regulators | Caspases, BCL-2 family proteins, p53, XIAP, Wnt/β-catenin pathway components |
| Disease relevance | Developmental defects, cancer, inflammatory diseases |
What Is GO:1904747?
GO:1904747 is defined as any process that activates or increases the frequency, rate or extent of apoptotic process involved in development. In other words, it encompasses molecular events that promote programmed cell death specifically when that death serves a developmental purpose, such as shaping an organ or removing vestigial structures. This term is a child of positive regulation of apoptotic process and is linked to developmental apoptosis, distinguishing it from apoptosis triggered by immune surveillance or stress in adult tissues.
Why Is positive regulation of apoptotic process involved in development Important in Cell Biology?
GO:1904747 is important because developmental apoptosis is a fundamental mechanism for sculpting organisms, and its dysregulation leads to severe pathologies. For researchers, this term provides a precise annotation for genes and pathways that specifically promote apoptosis in developmental contexts, enabling functional comparisons across species and disease models. Understanding positive regulation of developmental apoptosis also informs cancer therapy, as many tumors reactivate or evade developmental cell death programs.
• Essential for normal embryogenesis and organogenesis by removing excess cells.
• Dysregulation causes developmental anomalies such as hypodontia and limb defects.
• Plays a role in cancer progression; loss of developmental apoptosis promotes tumorigenesis.
• Involved in inflammatory diseases where apoptotic resistance occurs, e.g., Crohn's disease.
• Provides targets for therapeutic modulation of cell death in cancer and autoimmunity.
• Helps understand evolutionary conservation of apoptotic machinery.
• Guides CRISPR-based functional studies of developmental genes.
• Links to signaling pathways like Wnt/β-catenin that coordinate apoptosis and autophagy.
• Relevant to regenerative medicine and tissue engineering.
• Supports precision medicine by identifying gene variants affecting apoptosis.
What Happens During positive regulation of apoptotic process involved in development?
Initiation of developmental apoptotic signaling
In simple terms: The cell receives a signal to die as part of a developmental program.
Developmental apoptosis is initiated by intrinsic or extrinsic cues that activate pro-apoptotic signaling. Intrinsic signals include developmental transcription factors such as p53 that upregulate pro-apoptotic BCL-2 family members (e.g., BAX, BAK). Extrinsic cues involve death ligands and receptors. Positive regulation at this stage increases the sensitivity of cells to these death signals, often through downregulation of anti-apoptotic proteins like XIAP or BCL-2.
Mitochondrial outer membrane permeabilization (MOMP)
In simple terms: The mitochondria decide whether the cell should die.
Upon activation, BAX and BAK oligomerize on the mitochondrial outer membrane, leading to MOMP and release of cytochrome c. This step is tightly regulated by the balance of pro- and anti-apoptotic BCL-2 family proteins. Positive regulation of developmental apoptosis often involves transcriptional or post-translational activation of BAX/BAK or inhibition of BCL-2/BCL-xL.
Caspase activation cascade
In simple terms: A chain reaction of enzymes that dismantle the cell.
Cytochrome c release triggers apoptosome formation and activation of initiator caspase-9, which then cleaves effector caspases-3 and -7. These caspases execute apoptosis by cleaving structural and regulatory proteins. Positive regulation can occur through increased caspase expression, enhanced apoptosome assembly, or removal of IAP inhibition (e.g., by SMAC/DIABLO).
Phagocytic clearance and tissue remodeling
In simple terms: Dying cells are cleaned up to shape the tissue.
Apoptotic cells expose phosphatidylserine and release find-me signals, leading to phagocytosis by macrophages or neighboring cells. This clearance is essential for developmental remodeling and prevents inflammation. Positive regulation of developmental apoptosis ensures timely removal of cells, contributing to morphogenesis.
Integration with developmental signaling pathways
In simple terms: Developmental signals tell cells when to die.
Pathways such as Wnt/β-catenin, BMP, and Notch intersect with apoptotic machinery to control cell survival versus death. For example, Wnt/β-catenin signaling can promote survival, so positive regulation of apoptosis may involve inhibition of this pathway or activation of pro-apoptotic Wnt targets. Similarly, p53 integrates developmental cues and stress to induce apoptosis.
Key Genes Involved in GO:1904747 positive regulation of apoptotic process involved in development
The following genes and proteins are central to positive regulation of apoptotic process involved in development, based on published literature.
| Gene | Major Role | Research Relevance |
|---|---|---|
| TP53 | Induces apoptosis in response to developmental cues and stress | Frequently mutated in cancer; key developmental apoptosis regulator |
| XIAP | Inhibits caspases; its downregulation promotes apoptosis | Target for cancer therapy; regulated by LINC02139 |
| BAX | Pro-apoptotic BCL-2 family member; mediates MOMP | Essential for developmental apoptosis; knockout models available |
| BAK | Pro-apoptotic BCL-2 family member; redundant with BAX | Double knockout blocks apoptosis |
| CASP3 | Effector caspase; executes apoptosis | Central to apoptotic execution; knockout viable but defective |
| CASP9 | Initiator caspase; activates downstream caspases | Apoptosome component; knockout embryonic lethal |
| BCL2 | Anti-apoptotic; inhibits BAX/BAK | Overexpression blocks developmental apoptosis |
| BCL2L1 | Anti-apoptotic; inhibits MOMP | Target for cancer therapy |
| WNT3A | Activates Wnt/β-catenin signaling; can modulate apoptosis | Linked to apoptosis and autophagy |
| CTNNB1 | β-catenin; mediates Wnt signaling; can promote survival | Mutations in cancer; crosstalk with apoptosis |
| CDC42EP3 | Promotes gastric cancer progression; may affect apoptosis | Potential oncogene; biomarker |
| MDK | Midkine; growth factor with anti-apoptotic roles | Implicated in cancer and inflammation |
| LUM | Lumican; extracellular matrix protein; modulates apoptosis | Roles in carcinogenesis |
| MIR155HG | miR-155 host gene; regulates immune cell apoptosis | Involved in sepsis and inflammation |
| LINC02139 | Long non-coding RNA; stabilizes XIAP; inhibits apoptosis | Promotes gastric cancer |
| CD4 | Marker of T cells; apoptosis in Crohn's disease | Fatty acid oxidation promotes resistance |
| MSX1 | Transcription factor; involved in tooth development and apoptosis | Hypodontia candidate gene |
| PAX9 | Transcription factor; tooth development; apoptosis regulation | Hypodontia candidate gene |
How Is positive regulation of apoptotic process involved in development Regulated?
Positive regulation of apoptotic process involved in development is controlled at multiple levels. Transcriptional regulation by p53 and other developmental transcription factors increases pro-apoptotic gene expression. Post-translational modifications, such as phosphorylation of BCL-2 family proteins, modulate their activity. IAP proteins like XIAP are regulated by antagonists such as SMAC/DIABLO, and non-coding RNAs like LINC02139 can stabilize XIAP to inhibit apoptosis. Signaling pathways including Wnt/β-catenin, BMP, and Notch integrate developmental cues to either promote or suppress apoptosis. Additionally, metabolic factors such as fatty acid oxidation can promote apoptotic resistance in T cells.
positive regulation of apoptotic process involved in development and Human Disease
| Gene | Disease / Biology | Potential Experimental Model |
|---|---|---|
| TP53 | Cancer, developmental defects | Knockout and point mutation cell lines |
| XIAP | Gastric cancer, apoptosis resistance | Overexpression and knockout models |
| MSX1 | Hypodontia | Knock-in mouse models |
| PAX9 | Hypodontia | Knockout and knock-in models |
| MIR155HG | Sepsis, immune dysregulation | Knockout and overexpression in immune cells |
Cancer
Evasion of apoptosis is a hallmark of cancer, and many tumors overexpress anti-apoptotic proteins like XIAP or BCL-2 to block developmental apoptotic programs. For example, LINC02139 stabilizes XIAP to inhibit apoptosis in gastric cancer, and CDC42EP3 promotes gastric cancer progression. Targeting positive regulators of apoptosis is a therapeutic strategy.
Developmental disorders
Defects in developmental apoptosis cause congenital anomalies. Mutations in MSX1 and PAX9 are associated with hypodontia, a condition linked to impaired apoptosis during tooth development. Proper regulation of apoptosis is essential for craniofacial and limb morphogenesis.
Inflammatory diseases
Apoptotic resistance in immune cells contributes to chronic inflammation. In Crohn's disease, fatty acid oxidation promotes apoptotic resistance of CD4+ tissue-resident memory T cells, leading to proinflammatory phenotype. MicroRNA-155 regulates immune cell apoptosis in sepsis.
Neurodegeneration and other conditions
Excessive apoptosis contributes to neurodegeneration, while insufficient apoptosis can cause autoimmune diseases. Midkine, a growth factor with anti-apoptotic roles, is implicated in various diseases including cancer and inflammation. Lumican modulates apoptosis in carcinogenesis.
From positive regulation of apoptotic process involved in development-Related Genes to Experimental Models
| Research Question | Suitable Model |
|---|---|
| Does gene X promote developmental apoptosis? | CRISPR knockout in cell lines or organoids |
| Does a specific mutation affect apoptotic function? | Point mutation knock-in via CRISPR |
| How does a gene variant affect apoptosis in vivo? | Knock-in mouse models |
| Where is the protein localized during apoptosis? | Tagged knock-in (e.g., GFP) |
| Does overexpression of gene X inhibit apoptosis? | CRISPR activation or cDNA overexpression |
| What are the downstream targets of gene X? | RNA-seq and proteomics after knockout |
How to Study the positive regulation of apoptotic process involved in development Process
| Method | What It Measures | Typical Application |
|---|---|---|
| Annexin V/PI flow cytometry | Phosphatidylserine exposure and membrane integrity | Quantify apoptosis in knockout cells |
| TUNEL assay | DNA fragmentation | Detect apoptosis in tissue sections |
| Caspase-3/7 activity assay | Effector caspase activity | Measure apoptosis induction |
| RNA-seq | Transcriptome changes | Identify pathways affected by gene knockout |
| Proteomics | Protein expression and interactions | Discover apoptosis regulators |
| CRISPR knockout library screen | Gene essentiality for apoptosis | Identify novel positive regulators |
| Live-cell imaging | Real-time apoptosis dynamics | Study developmental apoptosis in organoids |
| Immunohistochemistry | Protein localization in tissues | Validate expression in developmental models |
Apoptosis assays
Annexin V/PI staining, TUNEL, and caspase activity assays measure apoptotic rate. These are standard for validating positive regulation of developmental apoptosis.
Transcriptomics and proteomics
RNA-seq and mass spectrometry identify gene expression changes and protein interactions upon modulation of candidate genes.
Imaging and developmental models
Live-cell imaging of fluorescent reporters (e.g., GFP-tagged proteins) and model organisms (zebrafish, mouse) visualize developmental apoptosis in real time.
CRISPR screening
Genome-wide CRISPR knockout or activation screens identify novel regulators of developmental apoptosis.
How CRISPR Can Be Used to Study GO:1904747 positive regulation of apoptotic process involved in development
Knockout
CRISPR knockout of candidate genes (e.g., XIAP, TP53) in cell lines or organoids can determine whether they are required for developmental apoptosis. For example, knocking out XIAP may sensitize cells to apoptosis.
Point Mutation
Introducing specific point mutations (e.g., in TP53 or MSX1) via CRISPR base editing or HDR allows functional analysis of disease-associated variants in developmental apoptosis.
Knock-in
Knock-in of reporter tags (e.g., GFP) or disease alleles enables tracking of protein localization and function during developmental apoptosis.
Overexpression
CRISPR activation (CRISPRa) or cDNA overexpression can test whether increasing gene dosage promotes or inhibits apoptosis in developmental contexts.
How EDITGENE Supports positive regulation of apoptotic process involved in development Research
Researchers studying positive regulation of apoptotic process involved in development-related genes often need to determine whether a candidate gene is causally involved in promoting or inhibiting apoptosis during development. EDITGENE provides comprehensive CRISPR-based services to generate precisely engineered cell models, enabling functional validation of genes annotated to GO:1904747.
Contact EDITGENE today to design your custom CRISPR model for positive regulation of apoptotic process involved in development research.
Frequently Asked Questions About positive regulation of apoptotic process involved in development
What is GO:1904747?
GO:1904747 is a Gene Ontology term for any process that activates or increases the frequency, rate or extent of apoptotic process involved in development.
What genes are involved in positive regulation of apoptotic process involved in development?
Key genes include TP53, XIAP, BAX, BAK, CASP3, CASP9, BCL2, and developmental signaling components like CTNNB1.
How is developmental apoptosis different from general apoptosis?
Developmental apoptosis is spatially and temporally controlled as part of morphogenesis, whereas general apoptosis can occur in response to stress or immune signals.
What diseases are linked to defects in developmental apoptosis?
Cancer, hypodontia, inflammatory diseases like Crohn's disease, and neurodegeneration.
What experimental models are used to study GO:1904747?
CRISPR knockout, point mutation, knock-in, overexpression cell lines, organoids, and animal models.
How does p53 regulate developmental apoptosis?
p53 transcriptionally activates pro-apoptotic BCL-2 family members and other targets to induce apoptosis during development.
What is the role of XIAP in apoptosis?
XIAP inhibits caspases; its downregulation or inhibition promotes apoptosis, and it is often overexpressed in cancer.
Can CRISPR screens identify new regulators of developmental apoptosis?
Yes, genome-wide CRISPR knockout or activation screens can uncover novel positive regulators.
What methods measure apoptotic rate?
Annexin V/PI staining, TUNEL, caspase activity assays, and live-cell imaging.
Why is Wnt/β-catenin signaling relevant to developmental apoptosis?
Wnt/β-catenin can promote survival, so its modulation affects apoptosis during development.
Conclusion
GO:1904747, positive regulation of apoptotic process involved in development, is a critical biological process that ensures proper morphogenesis and tissue homeostasis. Its dysregulation underlies cancer, developmental disorders, and inflammatory diseases. Understanding the genes and mechanisms involved requires robust experimental models, and CRISPR-based approaches offer powerful tools to dissect causal roles. EDITGENE provides comprehensive services to support such research, from knockout and knock-in models to library screening and bioinformatics.
References
- 1. Giatagana EM et al.. 2021. Lumican in Carcinogenesis-Revisited.. Biomolecules 11(9) PMID: 34572532
- 2. Chen M et al.. 2021. MicroRNA-155: Regulation of Immune Cells in Sepsis.. Mediators Inflamm 2021:8874854 PMID: 33505221
- 3. Pei M et al.. 2024. LINC02139 interacts with and stabilizes XIAP to regulate cell proliferation and apoptosis in gastric cancer.. Commun Biol 7(1):1497 PMID: 39533104
- 4. Yin W et al.. 2015. The Gene Network Underlying Hypodontia.. J Dent Res 94(7):878-85 PMID: 25910507
- 5. Liang G et al.. 2024. Fatty Acid Oxidation Promotes Apoptotic Resistance and Proinflammatory Phenotype of CD4(+) Tissue-resident Memory T cells in Crohn's Disease.. Cell Mol Gastroenterol Hepatol 17(6):939-964 PMID: 38423357
- 6. Cai YQ et al.. 2020. Multiple pathophysiological roles of midkine in human disease.. Cytokine 135:155242 PMID: 32799009
- 7. Chen W et al.. 2021. CDC42EP3 is a key promoter involved in the development and progression of gastric cancer.. Carcinogenesis 42(9):1179-1188 PMID: 34111280
- 8. Ma Q et al.. 2023. Wnt/β-catenin signaling pathway-a versatile player in apoptosis and autophagy.. Biochimie 211:57-67 PMID: 36907502
