GO:0060354 negative regulation of cell adhesion molecule production: Mechanism, Genes and Research Methods
Research-grade guide for scientists and biopharma professionals
Key Takeaways
• GO:0060354 describes any process that decreases the rate, frequency or extent of cell adhesion molecule production, where production includes biosynthesis or reduced catabolism.
• Negative regulation of cell adhesion molecule production is critical for controlling immune cell activation, tissue architecture, and tumor progression [1,2].
• Key regulatory nodes include CD100-plexin-B2 signaling in dendritic cells and RASA3 in T cells, which suppress adhesion molecule-dependent functions [1,2].
• Dysregulation of this process contributes to psoriasis, cancer metastasis, and inflammatory diseases [1,3,7].
• CRISPR knockout, point mutation, knock-in, and overexpression models enable causal dissection of negative regulators in this pathway.
• Understanding this GO term supports development of therapeutics targeting cell adhesion in autoimmunity and oncology [1,3].
Description
Cell adhesion molecules (CAMs) are cell-surface proteins that mediate cell-cell and cell-matrix interactions, and their production must be tightly controlled to maintain tissue homeostasis [1,2]. The Gene Ontology term GO:0060354, negative regulation of cell adhesion molecule production, captures any process that decreases the rate, frequency or extent of CAM production, whether by reducing biosynthesis or increasing catabolism. This regulatory process is essential for preventing excessive immune cell activation and for limiting pathological cell adhesion in diseases such as psoriasis and cancer [1,3]. Researchers study GO:0060354 to identify negative regulators that could be targeted to modulate adhesion-dependent processes, including T cell activation, dendritic cell function, and tumor cell dissemination [1,2,7]. Experimental approaches such as CRISPR screens and functional assays have begun to uncover specific molecular players, including CD100-plexin-B2 and RASA3, that execute this negative regulation [1,2].
negative regulation of cell adhesion molecule production At A Glance
| GO ID | GO:0060354 |
|---|---|
| GO term | negative regulation of cell adhesion molecule production |
| Ontology | biological_process |
| Synonym | none |
| Major function | Decreases the rate, frequency or extent of cell adhesion molecule production |
| Definition source | QuickGO definition: Any process that decreases the rate, frequency or extent of cell adhesion molecule production. Cell adhesion molecule production is the appearance of a cell adhesion molecule as a result of its biosynthesis or a decrease in its catabolism. |
| Related processes | Regulation of cell adhesion, immune cell activation, epithelial-mesenchymal transition |
| Example regulators | CD100-plexin-B2 signaling, RASA3, ACAT1 epigenetic inactivation |
| Disease relevance | Psoriasis, cancer metastasis, inflammatory conditions |
What Is GO:0060354?
GO:0060354 is defined as any process that decreases the rate, frequency or extent of cell adhesion molecule production. Cell adhesion molecule production refers to the appearance of a cell adhesion molecule as a result of its biosynthesis or a decrease in its catabolism. In other words, this term encompasses biological mechanisms that lower the amount of adhesion molecules available on the cell surface or in the extracellular environment, either by inhibiting their synthesis or by promoting their degradation.
Why Is negative regulation of cell adhesion molecule production Important in Cell Biology?
Negative regulation of cell adhesion molecule production is important because excessive or prolonged presence of adhesion molecules can drive chronic inflammation, autoimmune responses, and cancer progression [1,3,7]. For example, in psoriasis, negative regulation of dendritic cell activation via CD100-plexin-B2 helps limit pathological immune responses. In clear cell renal cell carcinoma, epigenetic inactivation of ACAT1 promotes epithelial-mesenchymal transition, a process linked to altered adhesion molecule production. Thus, understanding GO:0060354 provides mechanistic insight into how cells restrain adhesion-dependent signaling and offers potential therapeutic targets for diseases characterized by dysregulated adhesion [1,2,7].
• Controls immune cell activation by limiting adhesion molecule availability on dendritic cells and T cells [1,2].
• Prevents excessive integrin-mediated adhesion that can lead to autoimmunity and chronic inflammation [2,5].
• Regulates epithelial-mesenchymal transition and metastasis in cancer.
• Modulates cell adhesion molecule production in response to pathogens and inflammatory signals [4,8].
• Provides a mechanism for feedback inhibition of adhesion-dependent signaling pathways [1,2].
• Impacts tissue architecture and barrier function by controlling CAM turnover.
• Is relevant to psoriasis pathogenesis through CD100-plexin-B2-mediated negative regulation.
• Influences T cell trafficking and activation via RASA3 and LFA-1.
• May affect antibody-drug conjugate targeting of cell adhesion molecules in digestive neoplasms.
• Offers targets for therapeutic intervention in inflammatory and malignant diseases [1,3,7].
What Happens During negative regulation of cell adhesion molecule production?
Initiation by negative regulatory signals
In simple terms: A signal tells the cell to stop making or to break down adhesion molecules.
Negative regulation of cell adhesion molecule production begins when extracellular or intracellular cues activate specific receptors or signaling pathways. For instance, CD100-plexin-B2 interactions on dendritic cells deliver inhibitory signals that reduce activation and likely diminish adhesion molecule production. Similarly, in T cells, CRISPR screens targeting PI3K effectors identified RASA3 as a negative regulator of LFA-1-mediated adhesion, suggesting that RASA3 acts early to suppress adhesion molecule-dependent functions.
Suppression of biosynthesis
In simple terms: The cell makes fewer new adhesion molecules.
Once negative regulatory signals are engaged, transcriptional and post-transcriptional mechanisms can reduce the synthesis of cell adhesion molecules. Although specific transcription factors are not fully defined for GO:0060354, epigenetic inactivation of ACAT1 in clear cell renal cell carcinoma promotes epithelial-mesenchymal transition, a process associated with altered adhesion molecule production. This implies that metabolic and epigenetic changes can indirectly suppress or enhance CAM biosynthesis.
Enhanced catabolism or shedding
In simple terms: Existing adhesion molecules are removed or degraded faster.
Negative regulation can also occur by increasing the breakdown or shedding of cell adhesion molecules. For example, beta2 integrin regulation in endotoxin shock involves cytokine production and action, suggesting that inflammatory signals can modulate integrin availability. However, direct evidence for enhanced catabolism in GO:0060354 remains limited, and most studies focus on reduced biosynthesis or functional inhibition [1,2].
Functional consequences for cell adhesion
In simple terms: With fewer adhesion molecules, cells stick less and may not activate properly.
The ultimate outcome of negative regulation of cell adhesion molecule production is decreased cell adhesion. In T cells, loss of RASA3 leads to increased LFA-1-mediated adhesion, confirming that RASA3 normally restrains this process. In dendritic cells, CD100-plexin-B2 signaling limits activation, which may reduce adhesion molecule-dependent immune synapse formation. These functional changes affect cell migration, activation, and tissue retention.
Feedback and crosstalk with other pathways
In simple terms: The process is tuned by other cellular signals.
Negative regulation of cell adhesion molecule production is integrated with other signaling pathways. For instance, the adapter Fyb/Slap positively regulates T cell activation and integrin adhesion, indicating that opposing positive and negative regulators balance adhesion molecule function. Additionally, NF-kappaB signaling and beta2 integrin regulation in endotoxin shock highlight crosstalk between inflammatory pathways and adhesion molecule production.
Key Genes Involved in GO:0060354 negative regulation of cell adhesion molecule production
The following genes and proteins have been experimentally linked to negative regulation of cell adhesion molecule production or closely related adhesion regulatory processes.
| Gene | Major Role | Research Relevance |
|---|---|---|
| CD100 (SEMA4D) | Ligand for plexin-B2; mediates negative regulation of dendritic cell activation | Studied in psoriasis and immune regulation |
| Plexin-B2 (PLXNB2) | Receptor for CD100; transduces inhibitory signals in dendritic cells | Target for modulating dendritic cell activation |
| RASA3 | Negative regulator of LFA-1-mediated adhesion in T cells | Identified by CRISPR screen; controls integrin adhesion |
| LFA-1 (ITGAL/ITGB2) | Integrin mediating T cell adhesion; target of negative regulation | Central to T cell activation and trafficking |
| ACAT1 | Metabolic enzyme; epigenetic inactivation promotes EMT | Linked to clear cell renal cell carcinoma and adhesion changes |
| Fyb/Slap (FYB) | Adapter protein positively regulating T cell activation and integrin adhesion | Provides counterbalance to negative regulation |
| Beta2 integrin (ITGB2) | Adhesion molecule regulated in endotoxin shock | Model for cytokine-mediated adhesion control |
| Trop-2 (TACSTD2) | Cell-surface antigen; target for antibody-drug conjugates | Expressed in digestive neoplasms; potential adhesion-related target |
| Neural cell adhesion molecule (NCAM) | Adhesion molecule in oyster immune function | Comparative model for CAM regulation |
| NF-kappaB | Transcription factor regulating cytokine production and adhesion | Implicated in endotoxin shock and beta2 integrin regulation |
| PI3K effectors | Signaling pathway components controlling adhesion | CRISPR screen identified RASA3 among PI3K effectors |
| Plexin-B2 signaling complex | Receptor complex mediating negative regulation | Studied in dendritic cells and psoriasis |
| Integrin adhesion complex | Multiprotein complex mediating cell adhesion | Target of negative regulation by RASA3 |
| EMT regulators | Transcription factors controlling epithelial-mesenchymal transition | Linked to ACAT1 inactivation and adhesion molecule changes |
| Cytokine signaling components | Mediators of inflammatory responses | Regulate beta2 integrin and adhesion molecule production |
| T cell receptor signaling molecules | Proximal signaling components in T cells | Balance positive and negative adhesion regulation |
How Is negative regulation of cell adhesion molecule production Regulated?
Negative regulation of cell adhesion molecule production is itself regulated by diverse signaling inputs. CD100-plexin-B2 interactions provide an inhibitory signal in dendritic cells, limiting their activation and likely reducing adhesion molecule production. In T cells, RASA3 acts as a negative regulator downstream of PI3K effectors to suppress LFA-1-mediated adhesion. The adapter Fyb/Slap positively regulates T cell activation and integrin adhesion, indicating that opposing regulators fine-tune adhesion molecule function. Inflammatory signals such as LPS can modulate beta2 integrin and cytokine production through NF-kappaB-dependent pathways. Additionally, epigenetic changes, such as ACAT1 inactivation, can alter adhesion molecule production indirectly by promoting epithelial-mesenchymal transition.
negative regulation of cell adhesion molecule production and Human Disease
| Gene | Disease / Biology | Potential Experimental Model |
|---|---|---|
| CD100/PLXNB2 | Psoriasis | Knockout mice or human dendritic cell cultures |
| RASA3 | T cell adhesion and autoimmunity | CRISPR knockout T cells and adhesion assays |
| ACAT1 | Clear cell renal cell carcinoma | Knockout or overexpression in renal cancer cell lines |
| Trop-2 (TACSTD2) | Digestive neoplasms | Knock-in reporter or overexpression in cancer cells |
| ITGB2 | Endotoxin shock | Point mutation or knockout in macrophage models |
Psoriasis and inflammatory skin disease
In psoriasis, negative regulation of dendritic cell activation via CD100-plexin-B2 helps control pathological immune responses. Dysregulation of this negative regulatory axis may contribute to excessive adhesion molecule production and chronic inflammation. Targeting this pathway could restore immune homeostasis in psoriasis.
Cancer metastasis and epithelial-mesenchymal transition
Epigenetic inactivation of ACAT1 promotes epithelial-mesenchymal transition in clear cell renal cell carcinoma, a process associated with altered cell adhesion molecule production. Loss of negative regulation of adhesion molecules may facilitate tumor cell detachment and metastasis. Understanding GO:0060354 could inform strategies to inhibit metastatic spread.
Digestive neoplasms and antibody-drug conjugate targeting
Trophoblast cell-surface antigen 2 (Trop-2) is a cell-surface adhesion-related molecule expressed in digestive neoplasms and is a promising target for antibody-drug conjugates. Negative regulation of adhesion molecule production may influence Trop-2 availability and therapeutic efficacy. Modulating this process could enhance targeted therapy.
Endotoxin shock and inflammatory cytokine storm
Beta2 integrin regulation and cytokine production are critical in endotoxin shock, where excessive adhesion molecule function contributes to tissue damage. Negative regulation of adhesion molecule production may serve as a protective mechanism. Therapeutic modulation of this pathway could mitigate inflammatory injury.
From negative regulation of cell adhesion molecule production-Related Genes to Experimental Models
| Research Question | Suitable Model |
|---|---|
| Does loss of RASA3 increase LFA-1-mediated adhesion? | CRISPR knockout of RASA3 in T cells |
| Does CD100-plexin-B2 signaling suppress dendritic cell adhesion molecule production? | Knockout or knockdown of CD100/PLXNB2 in dendritic cells |
| Does ACAT1 inactivation alter adhesion molecule production during EMT? | ACAT1 knockout or overexpression in renal cancer cells |
| Can point mutations in ITGB2 affect beta2 integrin regulation? | Point mutation knock-in in macrophage cell lines |
| Does Trop-2 overexpression affect antibody-drug conjugate efficacy? | Knock-in or overexpression in digestive cancer cells |
| Can CRISPR library screening identify new negative regulators of adhesion? | Genome-wide CRISPR screen in T cells or cancer cells |
How to Study the negative regulation of cell adhesion molecule production Process
| Method | What It Measures | Typical Application |
|---|---|---|
| CRISPR knockout screen | Loss-of-function effects on adhesion | Identify negative regulators like RASA3 |
| Static adhesion assay | Cell attachment to ligands | Validate T cell adhesion changes |
| Flow cytometry | Surface adhesion molecule levels | Quantify LFA-1 or beta2 integrin |
| RNA-seq | Gene expression changes | Detect altered adhesion molecule transcripts |
| ATAC-seq | Chromatin accessibility | Identify epigenetic regulation of CAM genes |
| Immunofluorescence | Protein localization and adhesion structures | Visualize immune synapse formation |
| Western blot | Protein abundance and modifications | Confirm catabolism or biosynthesis changes |
| ELISA | Soluble adhesion molecule levels | Measure shedding or secretion |
CRISPR screening for negative regulators
CRISPR screens targeting signaling effectors have successfully identified RASA3 as a negative regulator of LFA-1-mediated adhesion in T cells. This approach enables unbiased discovery of genes that suppress cell adhesion molecule production. Libraries can be designed to target kinases, phosphatases, or PI3K effectors.
Adhesion assays and functional validation
Functional assays measuring cell adhesion to integrin ligands or endothelial cells can validate candidate negative regulators. For example, loss of RASA3 increases T cell adhesion, which can be quantified using static or flow-based adhesion assays. These methods directly assess the functional outcome of altered adhesion molecule production.
Transcriptional and epigenetic profiling
RNA-seq and ATAC-seq can reveal changes in adhesion molecule gene expression and chromatin accessibility. Epigenetic inactivation of ACAT1 in clear cell renal cell carcinoma was linked to EMT and altered adhesion molecule production, highlighting the value of epigenetic profiling. Such methods identify upstream regulatory mechanisms.
Flow cytometry and imaging
Flow cytometry can quantify surface levels of adhesion molecules such as LFA-1 or beta2 integrin. Imaging approaches can visualize adhesion structures and immune synapse formation. These techniques are essential for confirming negative regulation at the protein level [1,2].
How CRISPR Can Be Used to Study GO:0060354 negative regulation of cell adhesion molecule production
Knockout
CRISPR knockout of candidate negative regulators such as RASA3 or CD100 can test whether loss of function increases cell adhesion molecule production. In T cells, RASA3 knockout enhances LFA-1-mediated adhesion, confirming its negative regulatory role. Knockout models are essential for establishing causality in GO:0060354.
Point Mutation
Point mutations can dissect specific domains or phosphorylation sites required for negative regulation. For example, mutating key residues in ITGB2 may reveal how beta2 integrin regulation is controlled during endotoxin shock. Such models provide mechanistic detail beyond simple knockout.
Knock-in
Knock-in of tagged or reporter alleles allows tracking of adhesion molecule production in real time. For instance, a fluorescent reporter knocked into the TACSTD2 locus could monitor Trop-2 expression in digestive neoplasms. Knock-in models are valuable for dynamic studies of negative regulation.
Overexpression
Overexpression of negative regulators such as RASA3 or CD100 can suppress adhesion molecule production and reduce adhesion. This approach can validate sufficiency and identify downstream effects [1,2]. Overexpression models are also useful for testing therapeutic potential.
How EDITGENE Supports negative regulation of cell adhesion molecule production Research
Researchers studying negative regulation of cell adhesion molecule production-related genes often need to determine whether a candidate gene is causally involved in suppressing adhesion molecule biosynthesis or function. EDITGENE provides comprehensive CRISPR-based services to generate knockout, point-mutation, knock-in, and overexpression cell models, as well as library screening and bioinformatics support, enabling rigorous functional validation of GO:0060354 regulators.
Contact EDITGENE today to design your custom CRISPR model for negative regulation of cell adhesion molecule production research.
Frequently Asked Questions About negative regulation of cell adhesion molecule production
What is GO:0060354?
GO:0060354 is the Gene Ontology term for negative regulation of cell adhesion molecule production, defined as any process that decreases the rate, frequency or extent of cell adhesion molecule production.
What genes are involved in negative regulation of cell adhesion molecule production?
Key genes include CD100, plexin-B2, RASA3, ACAT1, and beta2 integrin, among others [1,2,7,8].
How does RASA3 regulate cell adhesion?
RASA3 acts as a negative regulator of LFA-1-mediated adhesion in T cells, as identified by a CRISPR screen.
What is the role of CD100-plexin-B2 in adhesion?
CD100-plexin-B2 signaling negatively regulates dendritic cell activation, which may reduce adhesion molecule production in psoriasis.
Which diseases are linked to dysregulated cell adhesion molecule production?
Psoriasis, clear cell renal cell carcinoma, digestive neoplasms, and endotoxin shock have been associated with altered adhesion molecule regulation [1,3,7,8].
How can I study negative regulation of cell adhesion molecule production?
CRISPR knockout, point mutation, knock-in, overexpression, and CRISPR library screening are powerful approaches to dissect this process.
What experimental models are used for GO:0060354 research?
Common models include knockout mice, CRISPR-edited T cells, dendritic cell cultures, and cancer cell lines [1,2,7].
Does ACAT1 affect cell adhesion molecule production?
Epigenetic inactivation of ACAT1 promotes epithelial-mesenchymal transition, which is associated with altered adhesion molecule production in renal cancer.
What is the connection between beta2 integrin and endotoxin shock?
Beta2 integrin regulation and cytokine production are critical in endotoxin shock, where excessive adhesion contributes to tissue damage.
Can CRISPR screens identify new regulators of adhesion?
Yes, CRISPR screens targeting PI3K effectors identified RASA3 as a negative regulator of LFA-1-mediated adhesion in T cells.
Conclusion
GO:0060354, negative regulation of cell adhesion molecule production, is a critical biological process that restrains excessive cell adhesion and maintains immune and tissue homeostasis [1,2]. Key regulators such as CD100-plexin-B2, RASA3, and ACAT1 have been implicated in diseases ranging from psoriasis to cancer [1,2,7]. Advances in CRISPR-based models and functional assays continue to uncover new mechanisms and therapeutic opportunities. Understanding this process provides a foundation for developing targeted interventions in inflammatory and malignant diseases [1,3,7].
References
- 1. Xiao C et al.. 2020. Negative regulation of dendritic cell activation in psoriasis mediated via CD100-plexin-B2.. J Pathol 250(4):409-419 PMID: 31943215
- 2. Johansen KH et al.. 2022. A CRISPR screen targeting PI3K effectors identifies RASA3 as a negative regulator of LFA-1-mediated adhesion in T cells.. Sci Signal 15(743):eabl9169 PMID: 35857633
- 3. Yang J et al.. 2025. Trophoblast cell-surface antigen 2 expression in digestive neoplasms: a promising target for antibody-drug conjugates.. Oncologist 30(11) PMID: 41100061
- 4. Qiao X et al.. 2023. A neural cell adhesion molecule from oyster Crassostrea gigas: Molecular identification and immune functional characterization.. Int J Biol Macromol 247:125756 PMID: 37429340
- 5. Griffiths EK et al.. 2001. Positive regulation of T cell activation and integrin adhesion by the adapter Fyb/Slap.. Science 293(5538):2260-3 PMID: 11567140
- 7. Han P et al.. 2022. Epigenetic inactivation of ACAT1 promotes epithelial-mesenchymal transition of clear cell renal cell carcinoma.. Genes Genomics 44(4):487-497 PMID: 34985712
- 8. Mukaida N et al.. 1996. Novel insight into molecular mechanism of endotoxin shock: biochemical analysis of LPS receptor signaling in a cell-free system targeting NF-kappaB and regulation of cytokine production/action through beta2 integrin in vivo.. J Leukoc Biol 59(2):145-51 PMID: 8603986
