Description

PTD-DBM Peptide – Research-Grade Wnt/β-Catenin Signaling Peptide for Advanced Scientific Research.

PTD-DBM Peptide is a synthetic cell-penetrating research peptide designed to modulate canonical Wnt/β-catenin signaling by disrupting the interaction between CXXC-type zinc finger protein 5 (CXXC5) and Dishevelled (DVL) proteins. This molecular mechanism has made PTD-DBM an important research tool for investigating intracellular signaling networks involved in tissue development, stem cell biology, regenerative processes, and epithelial cell regulation.

In laboratory studies, PTD-DBM Peptide has been incorporated into experimental models exploring hair follicle morphogenesis, skin biology, extracellular matrix remodeling, developmental signaling, and cellular communication. By selectively targeting an endogenous negative regulator of Wnt signaling, researchers can evaluate the downstream effects of enhanced β-catenin pathway activation under controlled experimental conditions.

The peptide is widely utilized across molecular biology, regenerative biology, developmental biology, pharmacology, and cell signaling research where understanding Wnt pathway regulation is essential. Its mechanism also provides valuable opportunities for studying protein-protein interactions, transcriptional regulation, and pathway-specific signaling dynamics.

Appex Peptide Lab supplies high-purity research-grade PTD-DBM Peptide manufactured under rigorous quality control standards with comprehensive analytical verification for dependable laboratory performance.

For research use only. Not intended for human consumption or clinical use.

Key Research Highlights

• High-purity synthetic research peptide
• Designed to modulate canonical Wnt/β-catenin signaling
• Targets the CXXC5–Dishevelled protein interaction
• Frequently studied in developmental biology research
• Suitable for regenerative biology investigations
• Supports studies of protein-protein interaction mechanisms
• Commonly utilized in skin and epithelial cell research
• Appropriate for stem cell signaling investigations
• Stable lyophilized formulation for laboratory use
• Certificate of Analysis (COA) available
• Excellent batch-to-batch manufacturing consistency
• Intended exclusively for scientific laboratory research

Why Researchers Choose This Product

• High analytical purity for reproducible experimental results
• Well-suited for Wnt signaling investigations
• Reliable reagent for molecular biology studies
• Supports advanced protein interaction research
• Manufactured under stringent quality standards
• Comprehensive analytical documentation available
• Ideal for university, biotechnology, and pharmaceutical laboratories
• Stable lyophilized peptide formulation
• Consistent performance across research batches
• For research use only. Not intended for human consumption or clinical use.

Research Applications

Wnt/β-Catenin Signaling Research

PTD-DBM Peptide is widely used to investigate canonical Wnt signaling, β-catenin stabilization, transcriptional regulation, and pathway modulation in controlled laboratory experiments.

Protein-Protein Interaction Studies

Researchers utilize PTD-DBM Peptide to examine disruption of the CXXC5–Dishevelled interaction, providing insight into intracellular regulatory mechanisms governing signal transduction.

Developmental Biology Research

The peptide supports investigations into embryonic signaling pathways, epithelial development, tissue patterning, and cellular differentiation regulated by Wnt signaling.

Stem Cell Biology

PTD-DBM Peptide is incorporated into laboratory studies evaluating stem cell signaling networks, cellular proliferation, lineage specification, and differentiation-associated transcriptional responses.

Skin and Hair Follicle Research

Experimental models utilize PTD-DBM Peptide to investigate molecular pathways involved in epidermal biology, dermal cell communication, extracellular matrix regulation, and hair follicle morphogenesis.

Regenerative Biology

Biotechnology and academic laboratories employ PTD-DBM Peptide to explore signaling mechanisms associated with tissue remodeling, cellular regeneration, and pathway-specific molecular responses.

Product Specifications

Mechanism of Action

PTD-DBM Peptide is a synthetic cell-penetrating peptide (PTD) engineered to modulate the canonical Wnt/β-catenin signaling pathway through selective interference with intracellular protein-protein interactions. Rather than functioning as a receptor agonist or antagonist, PTD-DBM acts by disrupting the inhibitory interaction between CXXC-type zinc finger protein 5 (CXXC5) and Dishevelled (DVL), a pivotal scaffold protein within the Wnt signaling cascade. This mechanism makes PTD-DBM an important molecular tool for laboratory investigations into signal transduction, developmental biology, and regenerative cellular processes.

Under normal physiological conditions, CXXC5 serves as a negative feedback regulator of canonical Wnt signaling. By binding to the PDZ domain of Dishevelled, CXXC5 suppresses downstream pathway activation and limits β-catenin stabilization. PTD-DBM is designed to competitively inhibit this interaction, thereby allowing Dishevelled to participate more effectively in Wnt receptor-mediated signaling.

When Wnt ligands activate Frizzled (FZD) receptors together with LRP5/6 co-receptors, Dishevelled becomes activated and inhibits the β-catenin destruction complex composed primarily of glycogen synthase kinase-3β (GSK-3β), Axin, adenomatous polyposis coli (APC), and casein kinase 1 (CK1). Suppression of this destruction complex permits cytoplasmic accumulation of β-catenin, which subsequently translocates into the nucleus.

Within the nucleus, β-catenin associates with TCF/LEF transcription factors, promoting transcription of numerous Wnt-responsive genes involved in cellular proliferation, differentiation, developmental signaling, extracellular matrix regulation, and tissue morphogenesis. PTD-DBM Peptide enables researchers to investigate these transcriptional events under experimentally controlled conditions by selectively relieving endogenous inhibition imposed by CXXC5.

Because PTD-DBM incorporates a protein transduction domain, it readily penetrates cellular membranes, facilitating intracellular delivery and direct modulation of cytoplasmic signaling complexes. This characteristic has made the peptide valuable for studies examining intracellular target engagement, signaling kinetics, pathway specificity, protein interaction dynamics, and downstream gene expression.

Modern laboratory investigations employ PTD-DBM Peptide to explore canonical Wnt signaling, β-catenin stabilization, regenerative signaling pathways, epithelial biology, stem cell regulation, developmental molecular biology, and protein interaction networks. Its targeted mechanism provides researchers with a highly specific experimental tool for dissecting one of the most extensively studied signaling pathways in modern cell biology.

For research use only. Not intended for human consumption or clinical use.