GO:0010623 programmed cell death involved in cell development: Developmental Cell Death, Genes, Functions and Research Methods
Research-grade guide for scientists and biopharma professionals
Key Takeaways
• GO:0010623 describes the activation of endogenous cellular processes that result in the death of a cell as part of its development.
• Developmental programmed cell death is essential for sculpting tissues, eliminating superfluous cells, and maintaining homeostasis during embryogenesis and organogenesis.
• Key molecular players include caspases, Bcl-2 family proteins, and lysosomal proteases such as KDEL cysteine peptidases in plants.
• In Drosophila, ecdysone signaling triggers programmed cell death during metamorphosis, providing a paradigm for hormonal control of developmental cell death.
• Defects in developmental cell death contribute to developmental abnormalities, cancer, and degenerative diseases.
• Studying GO:0010623 requires integrating genetic, imaging, and biochemical approaches to track dying cells in vivo.
Description
Programmed cell death involved in cell development (GO:0010623) is a biological process defined as the activation of endogenous cellular processes that result in the death of a cell as part of its development. This term encompasses the genetically regulated elimination of cells that occurs during normal development, distinguishing it from pathological or accidental cell death. It is a fundamental mechanism by which organisms shape tissues, remove transient structures, and eliminate cells that are no longer needed. In animals, developmental programmed cell death is critical for processes such as digit separation, nervous system wiring, and immune system maturation. In plants, it contributes to the formation of vascular tissues, seed development, and leaf senescence. The importance of this process extends to human health, as dysregulation of developmental cell death is linked to cancer, autoimmune disorders, and developmental defects. Understanding the molecular machinery and regulatory networks of GO:0010623 is therefore essential for developmental biologists, cancer researchers, and regenerative medicine scientists. This article synthesizes authoritative QuickGO data and verified PubMed literature to provide a comprehensive overview of the mechanisms, genes, and research methods associated with programmed cell death involved in cell development.
programmed cell death involved in cell development At A Glance
| GO ID | GO:0010623 |
|---|---|
| GO term | programmed cell death involved in cell development |
| Ontology | biological_process |
| Synonym | developmental programmed cell death; programmed cell death involved in development |
| Major function | Genetically regulated elimination of cells during development to shape tissues and organs |
| Key molecular players | Caspases, Bcl-2 family proteins, KDEL cysteine peptidases, polyamines |
| Associated processes | Embryogenesis, metamorphosis, gametogenesis, tissue remodeling |
| Disease relevance | Cancer, developmental disorders, degenerative diseases |
What Is GO:0010623?
GO:0010623, programmed cell death involved in cell development, refers to the activation of endogenous cellular processes that lead to the death of a cell as part of its developmental program. It is a biological process that is distinct from other forms of cell death because it is genetically encoded and serves a developmental purpose, such as eliminating cells during morphogenesis or tissue remodeling. This term is synonymous with developmental programmed cell death and programmed cell death involved in development.
Why Is programmed cell death involved in cell development Important in Cell Biology?
Programmed cell death involved in cell development is crucial for understanding how organisms normally develop and how disruptions in this process lead to disease. It ensures the removal of superfluous cells, sculpts organs, and maintains tissue homeostasis. In Drosophila, ecdysone-mediated programmed cell death is a key model for studying hormonal regulation of development. In plants, KDEL cysteine peptidases are involved in developmental programmed cell death, highlighting evolutionary conservation. Defects in this process can result in developmental abnormalities, cancer, and degenerative conditions, making it a target for therapeutic intervention.
• Essential for embryonic development and organogenesis by eliminating unwanted cells.
• Plays a critical role in nervous system development by removing excess neurons.
• Involved in immune system maturation and selection of lymphocytes.
• Contributes to plant development, including vascular tissue formation and seed development.
• Dysregulation is associated with cancer, as failure to eliminate damaged or superfluous cells can lead to tumorigenesis.
• Provides a model for studying hormonal control of cell death, as seen with ecdysone in Drosophila.
• Implicated in germ cell development and DNA damage responses.
• Polyamines regulate programmed cell death in plants and animals, linking metabolism to developmental cell death.
• Autophagic cell death is a form of developmental programmed cell death in plants.
• Understanding this process aids in regenerative medicine and tissue engineering.
What Happens During programmed cell death involved in cell development?
Initiation and Signaling
In simple terms: Cells receive signals that tell them to die as part of normal development.
Developmental programmed cell death is initiated by intrinsic or extrinsic signals that activate a genetic program. In Drosophila, the steroid hormone ecdysone triggers a cascade of gene expression that leads to cell death during metamorphosis. In plants, developmental cues such as those during seed development activate KDEL cysteine peptidases. DNA damage can also induce programmed cell death in germ cells, ensuring genomic integrity.
Execution Phase
In simple terms: The cell dismantles itself through the action of specialized enzymes.
The execution phase involves the activation of proteases and nucleases that degrade cellular components. Caspases are central executioners in animals, while in plants, cysteine peptidases such as KDEL-tailed proteases play a role. Polyamines can modulate the execution phase by influencing protease activity. In autophagic cell death, lysosomal degradation contributes to the dismantling of the cell.
Clearance of Dying Cells
In simple terms: The dead cell is removed by neighboring cells or phagocytes.
Apoptotic cell clearance is a critical step in developmental programmed cell death to prevent inflammation and autoimmunity. In development, phagocytes recognize and engulf dying cells through phosphatidylserine receptors and other engulfment signals. This clearance is essential for tissue remodeling and is conserved across species.
Regulation by Hormones and Environmental Cues
In simple terms: Hormones and external signals control when and where cells die.
Hormonal regulation is exemplified by ecdysone in Drosophila, which coordinates developmental cell death with metamorphosis. In plants, polyamines and other signals regulate programmed cell death during development. DNA damage-induced programmed cell death in germ cells is regulated by checkpoint pathways.
Key Genes Involved in GO:0010623 programmed cell death involved in cell development
The following genes and proteins are key players in programmed cell death involved in cell development, based on verified literature.
| Gene | Major Role | Research Relevance |
|---|---|---|
| Caspases (e.g., Casp3, Casp9) | Execution of apoptosis | Core proteases in developmental cell death |
| Bcl-2 family (e.g., BAX, BAK) | Regulation of mitochondrial outer membrane permeabilization | Control point for intrinsic apoptosis |
| KDEL cysteine peptidases | Proteolysis in plant developmental cell death | Plant-specific executioners |
| Ecdysone receptor (EcR) | Hormonal regulation in Drosophila | Model for steroid-triggered cell death |
| Polyamines (e.g., spermidine, spermine) | Modulation of cell death | Metabolic regulators of PCD |
| DNA damage sensors (e.g., ATM, p53) | Induction of PCD in germ cells | Link between DNA damage and developmental PCD |
| Autophagy-related genes (ATGs) | Autophagic cell death | Alternative PCD pathway in plants |
| Phagocytic receptors (e.g., MERTK, CD36) | Clearance of dying cells | Engulfment in development |
| Nurse cells (Drosophila) | Support oocyte development and undergo PCD | Model for nurse cell death |
| Caspase-like proteases in plants | Execution of PCD | Plant PCD machinery |
| Bax inhibitor-1 (BI-1) | Negative regulator of PCD | Modulator of cell death |
| Metacaspases | Plant PCD execution | Plant caspase-like proteases |
| Sphingolipid metabolism enzymes | Regulation of PCD | Lipid signaling in PCD |
| Calcium-dependent proteases (calpains) | Execution of PCD | Calcium signaling in PCD |
| Reactive oxygen species (ROS) scavengers | Modulation of oxidative stress | Redox regulation of PCD |
| Transcription factors (e.g., p53, E2F) | Transcriptional control of PCD | Upstream regulators |
How Is programmed cell death involved in cell development Regulated?
Programmed cell death involved in cell development is tightly regulated at multiple levels. Hormonal signals, such as ecdysone in Drosophila, coordinate the timing of cell death with developmental transitions. Polyamines act as regulators of programmed cell death in both plants and animals, influencing the balance between survival and death. DNA damage responses, mediated by p53 and ATM, can trigger programmed cell death in germ cells to maintain genomic integrity. In plants, KDEL cysteine peptidases are regulated during development to ensure proper tissue remodeling. Additionally, autophagic cell death is regulated by autophagy-related genes and can be influenced by nutrient status.
programmed cell death involved in cell development and Human Disease
| Gene | Disease / Biology | Potential Experimental Model |
|---|---|---|
| BAX | Cancer (apoptosis evasion) | BAX knockout mouse models |
| Casp3 | Neurodegeneration (excessive apoptosis) | Casp3 knockout mice |
| p53 | Cancer (loss of apoptosis) | p53 knockout mice |
| KDEL cysteine peptidases | Plant developmental defects | Arabidopsis mutants |
| Ecdysone receptor | Developmental lethality in insects | Drosophila EcR mutants |
Cancer
Defects in programmed cell death involved in cell development can lead to cancer, as failure to eliminate superfluous or damaged cells may result in uncontrolled proliferation. For example, dysregulation of apoptotic pathways, such as those involving Bcl-2 family proteins, is a hallmark of many cancers.
Developmental Disorders
Abnormal programmed cell death during development can cause structural birth defects. For instance, insufficient cell death during digit formation leads to syndactyly, while excessive cell death can cause tissue loss.
Neurodegenerative Diseases
Inappropriate activation of developmental cell death pathways in adult neurons may contribute to neurodegenerative diseases such as Alzheimer's and Parkinson's, where excessive apoptosis leads to neuronal loss.
Germ Cell Tumors and Infertility
Disruption of DNA damage-induced programmed cell death in germ cells can result in germ cell tumors or infertility, as proper elimination of damaged germ cells is essential for reproductive health.
From programmed cell death involved in cell development-Related Genes to Experimental Models
| Research Question | Suitable Model |
|---|---|
| Does gene X regulate developmental cell death? | Knockout (KO) via CRISPR |
| Does a specific point mutation in gene X affect its pro-apoptotic function? | Point mutation knock-in |
| How does tagging gene X affect its localization during cell death? | Tagged knock-in (e.g., GFP) |
| What is the effect of overexpressing gene X on cell death? | Overexpression |
| Which genes are essential for cell death in a specific tissue? | CRISPR library screening |
| How does gene X mutation affect developmental timing? | Conditional knockout |
How to Study the programmed cell death involved in cell development Process
| Method | What It Measures | Typical Application |
|---|---|---|
| TUNEL assay | DNA fragmentation | Detection of apoptotic cells in tissues |
| Annexin V staining | Phosphatidylserine externalization | Early apoptosis detection |
| Caspase activity assay | Caspase enzymatic activity | Quantification of apoptosis |
| RNA-seq | Transcriptome changes | Identification of PCD-related genes |
| Proteomics | Protein expression and modifications | Discovery of PCD regulators |
| Live imaging | Real-time cell death dynamics | Visualization in developing organisms |
| CRISPR screening | Gene function in PCD | High-throughput discovery |
| Flow cytometry | Quantification of apoptotic cells | Analysis of cell populations |
Imaging of Cell Death
Live-cell imaging and fluorescent reporters (e.g., Annexin V, TUNEL) allow visualization of dying cells in developing tissues. In Drosophila, time-lapse imaging has revealed the dynamics of ecdysone-induced cell death.
Genetic Screens
Forward and reverse genetic screens in model organisms such as Drosophila, C. elegans, and Arabidopsis have identified key regulators of developmental programmed cell death.
Biochemical Assays
Caspase activity assays, western blotting for cleaved caspases, and detection of DNA fragmentation are used to quantify cell death.
Transcriptomics and Proteomics
RNA-seq and proteomics can identify genes and proteins differentially expressed during developmental cell death, providing insights into regulatory networks.
How CRISPR Can Be Used to Study GO:0010623 programmed cell death involved in cell development
Knockout
CRISPR knockout is used to delete genes involved in programmed cell death to assess their requirement in developmental processes. For example, knocking out caspase genes in mice has revealed their roles in development.
Point Mutation
Point mutations can be introduced to study specific amino acid residues critical for protein function in cell death. This is useful for dissecting signaling pathways, such as those involving Bcl-2 family proteins.
Knock-in
Knock-in of reporter genes or tags allows visualization and tracking of cells undergoing programmed cell death. Tagged knock-in of autophagy genes has been used to monitor autophagic cell death in plants.
Overexpression
Overexpression of pro-apoptotic genes can induce cell death and test sufficiency. For instance, overexpressing KDEL cysteine peptidases in plants can trigger developmental cell death.
How EDITGENE Supports programmed cell death involved in cell development Research
Researchers studying programmed cell death involved in cell development-related genes often need to determine whether a candidate gene is causally involved in the process or merely correlated with it. CRISPR-based models provide a robust way to establish causality by manipulating the genome precisely.
Contact EDITGENE today to design your custom CRISPR model for programmed cell death involved in cell development research.
Frequently Asked Questions About programmed cell death involved in cell development
What is programmed cell death involved in cell development?
It is the genetically regulated death of cells as part of normal development, defined by GO:0010623.
What genes are involved in programmed cell death involved in cell development?
Key genes include caspases, Bcl-2 family members, KDEL cysteine peptidases, and ecdysone receptor.
Why is programmed cell death important for development?
It shapes tissues, removes superfluous cells, and maintains homeostasis during embryogenesis and organogenesis.
How is programmed cell death involved in cell development regulated?
It is regulated by hormones, polyamines, DNA damage responses, and autophagy-related pathways.
What diseases are associated with defects in developmental programmed cell death?
Cancer, developmental disorders, neurodegenerative diseases, and germ cell tumors.
What model organisms are used to study programmed cell death in development?
Drosophila, Arabidopsis, mouse, and C. elegans are common models.
How can CRISPR be used to study programmed cell death involved in cell development?
CRISPR knockout, point mutation, knock-in, and overexpression models allow functional dissection of genes in this process.
What methods are used to detect developmental programmed cell death?
TUNEL, Annexin V, caspase activity assays, and live imaging are commonly used.
Is programmed cell death involved in cell development conserved across species?
Yes, core machinery is conserved from plants to animals, though specific regulators vary.
What is the role of autophagy in developmental programmed cell death?
Autophagic cell death is a form of developmental programmed cell death, particularly in plants.
Conclusion
Programmed cell death involved in cell development (GO:0010623) is a fundamental biological process that shapes organisms and maintains tissue homeostasis. Its dysregulation is linked to a range of diseases, making it a critical area of research. By leveraging CRISPR-based models and advanced methodologies, researchers can uncover the precise genetic and molecular mechanisms governing this process. EDITGENE offers comprehensive services to support these investigations, from knockout and knock-in models to library screening and bioinformatics.
References
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- 3. Niu W et al.. 2022. Mouse oocytes develop in cysts with the help of nurse cells.. Cell 185(14):2576-2590.e12 PMID: 35623357
- 4. Ranganath RM et al.. 2001. Role of programmed cell death in development.. Int Rev Cytol 202:159-242 PMID: 11061565
- 5. Shklover J et al.. 2015. Apoptotic Cell Clearance in Development.. Curr Top Dev Biol 114:297-334 PMID: 26431572
- 6. Nicolson S et al.. 2015. Ecdysone-mediated programmed cell death in Drosophila.. Int J Dev Biol 59(1-3):23-32 PMID: 26374522
- 7. Moschou PN et al.. 2014. Polyamines and programmed cell death.. J Exp Bot 65(5):1285-96 PMID: 24218329
- 8. Yamada Y et al.. 2005. DNA damage-induced programmed cell death: potential roles in germ cell development.. Ann N Y Acad Sci 1049:9-16 PMID: 15965102
