GO:0071378 cellular response to growth hormone stimulus: Signaling Pathway, Genes, Functions and Research Methods
Research-grade guide for scientists and biopharma professionals
Key Takeaways
• GO:0071378 describes how a single cell changes its state or activity in response to growth hormone, a peptide hormone that binds the growth hormone receptor and stimulates growth.
• The term is a biological_process child of cellular response to hormone stimulus and is distinct from systemic growth hormone action; it focuses on cell-autonomous signaling and gene-expression changes.
• Growth hormone signaling intersects with endocrine responses to exercise, reproductive hormone metabolism, and pancreatic beta-cell maturation, making it relevant across multiple organ systems.
• Key genes implicated in this response include GHR, JAK2, STAT5A, STAT5B, IGF1, SOCS2, and PIK3CA, which together coordinate transcription, metabolism, and growth.
• Dysregulation of cellular growth hormone response is linked to hypothalamic dysfunction, ovarian granulosa cell disorders, and impaired beta-cell function.
• CRISPR knockout, point-mutation, knock-in, and overexpression models enable causal dissection of GO:0071378 in human cell systems.
Description
GO:0071378, cellular response to growth hormone stimulus, is a Gene Ontology biological_process term that captures the cell-intrinsic changes triggered when growth hormone (GH) engages its receptor. Growth hormone is a peptide hormone that binds the growth hormone receptor (GHR) and stimulates growth, and the cellular response includes alterations in movement, secretion, enzyme production, and gene expression. This term is essential for researchers because it separates local, cell-level signaling from organism-level growth phenotypes, allowing precise mechanistic studies in cultured cells and model organisms. The importance of this process extends beyond classical growth biology. Endocrine responses to resistance exercise involve GH release and downstream cellular adaptations, and exercise itself modulates growth-related signaling in multiple tissues. In reproductive biology, genes involved in hormone metabolism and cellular response are differentially expressed in human ovarian granulosa cells, and genes regulating hormone stimulus and response to protein signaling show dynamic expression during porcine oocyte maturation. In pancreatic biology, functional maturation and proliferation of fetal pancreatic beta-cells depend on hormone-responsive signaling programs. Thus, GO:0071378 provides a unifying annotation framework for studying how a single hormone can reprogram diverse cell types.
cellular response to growth hormone stimulus At A Glance
| GO ID | GO:0071378 |
|---|---|
| GO term | cellular response to growth hormone stimulus |
| Ontology | biological_process |
| Synonym | none |
| Definition | Any process that results in a change in state or activity of a cell (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of a growth hormone stimulus. Growth hormone is a peptide hormone that binds to the growth hormone receptor and stimulates growth. |
| Major function | Cell-autonomous signal transduction and gene-expression reprogramming in response to growth hormone |
| Parent terms | response to growth hormone stimulus; cellular response to hormone stimulus |
| Related ligands | Growth hormone (GH) |
| Related receptors | Growth hormone receptor (GHR) |
What Is GO:0071378?
In our own words, GO:0071378 refers to any process that results in a change in state or activity of a cell, such as movement, secretion, enzyme production, or gene expression, as a result of a growth hormone stimulus. Growth hormone is a peptide hormone that binds to the growth hormone receptor and stimulates growth. The term is a biological_process and has no synonyms in the QuickGO entry. It is narrower than the general response to hormone stimulus and is specifically focused on the cellular events initiated by GH binding to its receptor.
Why Is cellular response to growth hormone stimulus Important in Cell Biology?
GO:0071378 is important because it defines the cellular basis for growth hormone action, a process that influences metabolism, growth, and differentiation across many tissues. Disruption of this response is associated with hypothalamic dysfunction, altered ovarian granulosa cell function, and impaired pancreatic beta-cell maturation. Understanding the cellular response to growth hormone also informs exercise physiology, since endocrine responses to resistance exercise include GH release and downstream cellular adaptations. In reproductive biology, hormone metabolism and cellular response genes are differentially expressed in human ovarian granulosa cells, and hormone stimulus-response genes are dynamically regulated during oocyte maturation. Therefore, GO:0071378 is a critical annotation for researchers studying endocrine signaling, metabolic disease, and regenerative medicine.
• Provides a precise ontology annotation for cell-level growth hormone signaling, distinct from systemic growth effects.
• Links growth hormone action to transcriptional programs involving STAT5 and IGF1.
• Relevant to exercise physiology, where resistance exercise triggers endocrine responses including GH.
• Implicated in reproductive biology through hormone metabolism and cellular response genes in granulosa cells.
• Associated with oocyte maturation and protein signaling responses in porcine models.
• Contributes to pancreatic beta-cell functional maturation and proliferation.
• Dysregulation is observed in hypothalamic dysfunction.
• Serves as a template for studying other peptide hormone responses at the cellular level.
• Enables CRISPR-based causal studies of GHR, JAK2, STAT5A/B, and IGF1.
• Supports development of cell models for growth disorders and metabolic disease.
What Happens During cellular response to growth hormone stimulus?
Growth hormone binding and receptor activation
In simple terms: Growth hormone docks onto its receptor on the cell surface, switching the receptor on.
The cellular response to growth hormone stimulus begins when the peptide hormone growth hormone binds to the growth hormone receptor (GHR) on the plasma membrane. This binding event is the initiating step that converts an extracellular hormonal signal into an intracellular response. The QuickGO definition explicitly states that growth hormone is a peptide hormone that binds to the growth hormone receptor and stimulates growth. In endocrine physiology, growth hormone release is part of the endocrine response to resistance exercise, demonstrating that this receptor-ligand interaction occurs in physiologically relevant contexts. The binding triggers a change in the state of the cell, which is the core of GO:0071378.
Intracellular signal transduction cascades
In simple terms: The activated receptor turns on a relay of proteins inside the cell that carry the message to the nucleus.
Following receptor engagement, intracellular signaling cascades propagate the growth hormone signal. Although the QuickGO definition does not enumerate specific kinases, the term encompasses changes in enzyme production and gene expression that result from the stimulus. Genes involved in hormone metabolism and cellular response are differentially expressed in human ovarian granulosa cells, indicating that hormone-responsive signaling pathways are active in reproductive tissues. Similarly, genes regulating hormone stimulus and response to protein signaling show differential expression during porcine oocyte in vitro maturation, confirming that signal transduction downstream of hormonal cues is a dynamic process. These cascades ultimately alter the cell's activity, as described in the definition.
Transcriptional reprogramming and gene expression changes
In simple terms: The signal reaches the nucleus and changes which genes are turned on or off.
A major outcome of the cellular response to growth hormone stimulus is a change in gene expression. The definition explicitly includes gene expression as one of the cellular activities that can change. In human ovarian granulosa cells, genes involved in hormone metabolism and cellular response are differentially expressed, supporting the idea that hormonal stimuli reprogram transcription. In porcine oocytes, genes regulating hormone stimulus and response to protein signaling are differentially expressed during in vitro maturation. These findings illustrate that GO:0071378 includes transcriptional and post-transcriptional changes that adapt the cell to the hormonal environment.
Metabolic and secretory adaptations
In simple terms: The cell changes what it makes and releases in response to the hormone.
The QuickGO definition states that the cellular response can involve changes in movement, secretion, and enzyme production. This means that growth hormone can alter the secretory profile and metabolic enzyme repertoire of a cell. In pancreatic beta-cells, functional maturation and proliferation are influenced by hormonal signals, suggesting that growth hormone-responsive cells adjust their secretory and metabolic machinery. In the context of exercise, endocrine responses including growth hormone release are linked to systemic metabolic adaptations. Therefore, GO:0071378 encompasses not only transcriptional changes but also shifts in secretion and enzyme production.
Integration with cell growth and proliferation programs
In simple terms: The hormone signal can push the cell to grow or divide.
Growth hormone is classically associated with growth stimulation, and the QuickGO definition notes that it stimulates growth. At the cellular level, this can manifest as changes in proliferation and functional maturation. Fetal pancreatic beta-cells undergo functional maturation and proliferation, processes that are sensitive to hormonal cues. In reproductive tissues, hormone metabolism and cellular response genes are expressed in granulosa cells, which are highly proliferative and responsive to hormonal signals. Thus, GO:0071378 intersects with cell growth and proliferation programs, consistent with the growth-promoting role of growth hormone.
Key Genes Involved in GO:0071378 cellular response to growth hormone stimulus
The following genes and proteins are central to the cellular response to growth hormone stimulus, based on their established roles in hormone signaling, metabolism, and cellular response pathways.
| Gene | Major Role | Research Relevance |
|---|---|---|
| GHR | Growth hormone receptor; binds GH and initiates signaling | Core receptor for GO:0071378; knockout models abolish cellular response |
| JAK2 | Janus kinase 2; tyrosine kinase activated by GHR | Key signal transducer; point mutations affect downstream STAT activation |
| STAT5A | Signal transducer and activator of transcription 5A | Mediates transcriptional changes in response to GH |
| STAT5B | Signal transducer and activator of transcription 5B | Critical for GH-dependent gene expression and growth |
| IGF1 | Insulin-like growth factor 1; downstream effector of GH | Mediates many growth-promoting effects of GH |
| SOCS2 | Suppressor of cytokine signaling 2; negative feedback regulator | Modulates duration of GH signaling |
| PIK3CA | Phosphatidylinositol 4,5-bisphosphate 3-kinase catalytic subunit alpha | Participates in PI3K pathway downstream of GHR |
| AKT1 | AKT serine/threonine kinase 1 | Mediates metabolic and survival signals downstream of GH |
| MAPK1 | Mitogen-activated protein kinase 1 | Contributes to GH-induced proliferation signals |
| MAPK3 | Mitogen-activated protein kinase 3 | Contributes to GH-induced proliferation signals |
| CISH | Cytokine inducible SH2 containing protein | Negative feedback regulator of GH signaling |
| POU1F1 | POU class 1 homeobox 1; pituitary transcription factor | Regulates GH expression and pituitary development |
| GHRH | Growth hormone releasing hormone | Upstream regulator of GH secretion |
| SST | Somatostatin | Inhibits GH release; modulates cellular response |
| IGFBP3 | Insulin-like growth factor binding protein 3 | Modulates IGF1 availability downstream of GH |
| FOXO1 | Forkhead box O1 | Transcription factor integrating GH signaling with metabolism |
| NR3C1 | Nuclear receptor subfamily 3 group C member 1 (glucocorticoid receptor) | Cross-talks with GH signaling in metabolic tissues |
How Is cellular response to growth hormone stimulus Regulated?
The cellular response to growth hormone stimulus is tightly regulated by positive and negative feedback mechanisms. Negative regulators such as SOCS2 and CISH are induced by GH signaling and attenuate the response, preventing excessive activation. Hormone metabolism and cellular response genes are differentially expressed in human ovarian granulosa cells, indicating tissue-specific regulatory control. In porcine oocytes, genes regulating hormone stimulus and response to protein signaling are dynamically expressed during in vitro maturation, suggesting developmental regulation of the response. Additionally, hypothalamic dysfunction can disrupt the upstream hormonal signals that initiate the cellular response. Exercise-induced endocrine responses also modulate growth hormone availability and downstream cellular activity. Together, these layers of regulation ensure that GO:0071378 is context-dependent and reversible.
cellular response to growth hormone stimulus and Human Disease
| Gene | Disease / Biology | Potential Experimental Model |
|---|---|---|
| GHR | Growth hormone insensitivity and hypothalamic dysfunction | GHR knockout cell line; point-mutation knock-in |
| STAT5B | Growth failure and immune dysregulation | STAT5B knockout and point-mutation models |
| IGF1 | Growth retardation and metabolic disorders | IGF1 overexpression and knockout cell models |
| SOCS2 | Altered growth and metabolic homeostasis | SOCS2 knockout for enhanced GH signaling |
| POU1F1 | Combined pituitary hormone deficiency | POU1F1 knockout pituitary cell models |
Hypothalamic dysfunction and growth hormone signaling
Hypothalamic dysfunction can impair the release of growth hormone and thereby reduce cellular response to growth hormone stimulus in target tissues. Because the hypothalamus integrates neural and endocrine signals, its dysfunction may lead to altered growth, metabolism, and reproductive function. The cellular response term GO:0071378 is relevant here because it describes the downstream cell-level events that fail when hypothalamic control is disrupted.
Ovarian granulosa cell disorders and hormone response
Genes involved in hormone metabolism and cellular response are differentially expressed in human ovarian granulosa cells, and their dysregulation may contribute to ovarian dysfunction. The cellular response to growth hormone stimulus may intersect with these pathways, as granulosa cells are responsive to multiple hormonal inputs. Research into GO:0071378 in granulosa cells could clarify how growth hormone influences follicular development and fertility.
Pancreatic beta-cell dysfunction and maturation
Functional maturation and proliferation of fetal pancreatic beta-cells are influenced by hormonal signals, and impaired growth hormone response may contribute to beta-cell dysfunction. Because GO:0071378 encompasses changes in secretion and enzyme production, it is directly relevant to insulin secretion and beta-cell function. Studying this term in beta-cell models may reveal mechanisms of diabetes-associated beta-cell failure.
Exercise, endocrine response, and metabolic disease
Endocrine responses to resistance exercise include growth hormone release, which triggers cellular responses in muscle and other tissues. The effects of exercise on growth are mediated in part by growth hormone and its cellular actions. Dysregulation of GO:0071378 may therefore contribute to metabolic diseases linked to sedentary behavior or hormonal imbalance.
From cellular response to growth hormone stimulus-Related Genes to Experimental Models
| Research Question | Suitable Model |
|---|---|
| Does GHR mediate the cellular response to growth hormone? | GHR knockout cell line |
| Which JAK2 residues are required for STAT5 activation? | JAK2 point-mutation knock-in |
| How does STAT5B contribute to gene expression changes? | STAT5B knockout and tagged knock-in |
| What is the effect of IGF1 overexpression on cell growth? | IGF1 overexpression cell model |
| Can SOCS2 deletion enhance growth hormone sensitivity? | SOCS2 knockout |
| How does growth hormone affect beta-cell maturation? | Beta-cell line with GHR knockout or overexpression |
How to Study the cellular response to growth hormone stimulus Process
| Method | What It Measures | Typical Application |
|---|---|---|
| RNA-seq | Global gene expression changes | Identify differentially expressed genes after GH stimulation |
| Phosphoproteomics | Protein phosphorylation events | Map signaling cascades downstream of GHR |
| CRISPR knockout screen | Genes required for GH response | Discover novel regulators of GO:0071378 |
| CRISPR activation screen | Genes sufficient to enhance GH response | Identify positive regulators |
| Luciferase reporter assay | STAT5 transcriptional activity | Quantify gene expression changes |
| Live-cell imaging | Cell movement and secretion dynamics | Visualize cellular response in real time |
| Proteomics | Protein abundance changes | Measure enzyme production changes |
| qPCR | Specific gene expression | Validate RNA-seq findings |
Transcriptomic profiling by RNA-seq
RNA sequencing can measure global gene expression changes following growth hormone stimulation, directly assessing the gene expression component of GO:0071378. This method is useful for identifying differentially expressed genes in cell types such as ovarian granulosa cells, where hormone metabolism and cellular response genes are differentially expressed. In porcine oocyte maturation, RNA-seq-like approaches have revealed dynamic expression of hormone stimulus-response genes. RNA-seq thus provides a comprehensive view of the transcriptional reprogramming that defines the cellular response.
Proteomic and phosphoproteomic analysis
Proteomics and phosphoproteomics can quantify changes in enzyme production and signaling protein activation after growth hormone treatment, aligning with the definition of GO:0071378. These methods are particularly useful for capturing post-translational events that RNA-seq cannot detect. In pancreatic beta-cells, functional maturation involves changes in protein expression that can be monitored by proteomics. Phosphoproteomics can identify kinase substrates downstream of GHR, such as JAK2 and STAT5.
CRISPR-based genetic screens
CRISPR knockout and activation screens can systematically identify genes required for or sufficient to drive the cellular response to growth hormone. Such screens are valuable for uncovering novel regulators beyond known pathway components like GHR, JAK2, and STAT5. In reproductive cell models, CRISPR screens could reveal hormone metabolism genes that modulate the response. This approach enables unbiased discovery of GO:0071378 regulators.
Imaging and reporter assays
Live-cell imaging and luciferase reporter assays can visualize signaling dynamics and transcriptional activity in response to growth hormone. Reporter assays for STAT5-dependent transcription provide a direct readout of the gene expression changes described in GO:0071378. Imaging can also track cell movement and secretion, which are explicitly included in the definition. These methods complement omics approaches by providing spatial and temporal resolution.
How CRISPR Can Be Used to Study GO:0071378 cellular response to growth hormone stimulus
Knockout
CRISPR knockout of GHR, JAK2, or STAT5B can abolish the cellular response to growth hormone, providing causal evidence for their roles in GO:0071378. Knockout cell lines are essential for confirming that a candidate gene is necessary for the response. For example, GHR knockout cells fail to activate downstream signaling upon GH stimulation. Similarly, STAT5B knockout reduces GH-induced gene expression. These models are foundational for dissecting the pathway.
Point Mutation
Point mutations can be introduced into genes such as JAK2 or STAT5B to test the requirement of specific residues for growth hormone signaling. For instance, mutation of tyrosine phosphorylation sites in STAT5B can prevent its activation and nuclear translocation. Point-mutation models allow fine-grained structure-function analysis of the cellular response. They are particularly useful when complete knockout is lethal or causes confounding phenotypes.
Knock-in
Knock-in of tagged versions of GHR, STAT5A, or STAT5B enables visualization and purification of these proteins in their endogenous context. Tagged knock-in models can reveal real-time dynamics of receptor trafficking and transcription factor activation. Additionally, knock-in of disease-associated mutations can model altered growth hormone responsiveness. These models bridge basic mechanism and clinical relevance.
Overexpression
Overexpression of IGF1, STAT5A, or constitutively active JAK2 can enhance or mimic the cellular response to growth hormone, revealing sufficiency. Overexpression models are useful for identifying downstream effects on proliferation, metabolism, and gene expression. In pancreatic beta-cells, overexpression of growth-promoting factors can drive maturation and proliferation. These models complement loss-of-function studies to establish causality.
How EDITGENE Supports cellular response to growth hormone stimulus Research
Researchers studying cellular response to growth hormone stimulus-related genes often need to determine whether a candidate gene is causally involved in the response or merely correlated with it. EDITGENE provides a comprehensive suite of CRISPR-based services to enable such causal studies in relevant cell models.
Contact EDITGENE today to design your custom CRISPR model for cellular response to growth hormone stimulus research.
Frequently Asked Questions About cellular response to growth hormone stimulus
What is GO:0071378 cellular response to growth hormone stimulus?
GO:0071378 is a Gene Ontology biological_process term describing any process that results in a change in state or activity of a cell as a result of a growth hormone stimulus, including changes in movement, secretion, enzyme production, and gene expression.
What genes are involved in cellular response to growth hormone stimulus?
Key genes include GHR, JAK2, STAT5A, STAT5B, IGF1, SOCS2, PIK3CA, AKT1, MAPK1, and MAPK3, among others.
How does growth hormone trigger a cellular response?
Growth hormone binds to the growth hormone receptor on the cell surface, initiating intracellular signaling cascades that alter gene expression, enzyme production, and secretion.
Why is cellular response to growth hormone stimulus important in disease?
Dysregulation is linked to hypothalamic dysfunction, ovarian granulosa cell disorders, and pancreatic beta-cell dysfunction.
What research methods are used to study GO:0071378?
Common methods include RNA-seq, phosphoproteomics, CRISPR screens, luciferase reporter assays, and live-cell imaging.
Can CRISPR knockout be used to study growth hormone response?
Yes, CRISPR knockout of GHR, JAK2, or STAT5B can abolish the cellular response, providing causal evidence for their roles.
What cell models are suitable for growth hormone response studies?
Suitable models include GHR knockout cell lines, STAT5B point-mutation knock-ins, IGF1 overexpression lines, and beta-cell models.
How is growth hormone signaling regulated at the cellular level?
Negative feedback regulators such as SOCS2 and CISH are induced by GH signaling and attenuate the response.
Is cellular response to growth hormone stimulus related to exercise?
Yes, endocrine responses to resistance exercise include growth hormone release, which triggers cellular responses in target tissues.
What is the difference between GO:0071378 and systemic growth hormone action?
GO:0071378 focuses on cell-autonomous changes, whereas systemic growth hormone action encompasses organism-level growth and metabolic effects.
Conclusion
GO:0071378 cellular response to growth hormone stimulus is a fundamental biological_process that defines how individual cells interpret and respond to growth hormone. Its relevance spans endocrine physiology, reproductive biology, pancreatic function, and exercise metabolism. By leveraging CRISPR knockout, point-mutation, knock-in, and overexpression models, researchers can causally dissect the genes and pathways that mediate this response. EDITGENE provides the tools and expertise to accelerate such discoveries.
References
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- 2. Kraemer WJ. 1988. Endocrine responses to resistance exercise.. Med Sci Sports Exerc 20(5 Suppl):S152-7 PMID: 3057315
- 3. Borer KT. 1995. The effects of exercise on growth.. Sports Med 20(6):375-97 PMID: 8614759
- 5. Brązert M et al.. 2019. Genes involved in hormone metabolism and cellular response in human ovarian granulosa cells.. J Biol Regul Homeost Agents 33(2):461-468 PMID: 30968676
- 6. Chermuła B et al.. 2020. Genes regulating hormone stimulus and response to protein signaling revealed differential expression pattern during porcine oocyte in vitro maturation, confirmed by lipid concentration.. Histochem Cell Biol 154(1):77-95 PMID: 32189110
- 7. Hellerström C et al.. 1991. Functional maturation and proliferation of fetal pancreatic beta-cells.. Diabetes 40 Suppl 2:89-93 PMID: 1748274
