TAT-CIRP fuses a TAT transduction domain with a CIRP-derived peptide sequence to enhance intracellular delivery. The construct supports studies of RNA-binding protein pathways under stress conditions. Researchers evaluate uptake efficiency, conformational stability, and target engagement. Applications include stress-response biology, cell-penetrating peptide research, and peptide-RNA interaction analysis.
TAT-CIRP, a fusion peptide comprising the cell-penetrating trans-activator of transcription (TAT) sequence and the cold-inducible RNA-binding protein (CIRP), represents a significant advancement in the field of molecular biology and cellular research. By leveraging the membrane-translocating capabilities of the TAT peptide, this compound enables efficient intracellular delivery of CIRP, facilitating studies that require direct modulation of cellular stress responses. TAT-CIRP is synthesized to maintain the functional integrity of both the TAT and CIRP domains, ensuring effective cell entry and biological activity. Its unique structure allows researchers to explore the diverse roles of CIRP in cellular adaptation to stress, gene expression regulation, and protein-RNA interactions, making it a valuable tool for investigating fundamental biological processes.
Cellular Stress Response Studies: TAT-CIRP is widely utilized in research focused on cellular stress mechanisms, particularly those related to hypothermia, hypoxia, and oxidative stress. By delivering CIRP directly into cells, scientists can modulate stress granule formation and analyze downstream effects on cell survival, signaling pathways, and gene expression. This approach provides a controlled method to dissect the contributions of CIRP to cellular adaptation, enabling the identification of novel stress response mediators and potential therapeutic targets for stress-related cellular dysfunction.
Gene Regulation Research: The peptide fusion is instrumental in elucidating the post-transcriptional regulation of gene expression. CIRP is known for its RNA-binding properties, influencing mRNA stability and translation during cellular stress. By introducing this compound into cultured cells or tissue models, researchers can investigate how CIRP interacts with specific mRNA targets, affects transcript turnover, and modulates protein synthesis. Such studies advance the understanding of gene regulatory networks and the dynamic control of cellular proteomes under adverse conditions.
Protein-RNA Interaction Assays: TAT-CIRP serves as a powerful tool for mapping protein-RNA interactions in vitro and in vivo. Its cell-penetrating ability enables direct delivery into various cell types, allowing for the assessment of CIRP's binding partners and the identification of regulatory RNA motifs. Techniques such as RNA immunoprecipitation, crosslinking, and sequencing can be employed to profile the interactome of CIRP, shedding light on its functional repertoire and its involvement in RNA metabolism.
Neurobiology and Brain Research: The fusion peptide has found applications in neuroscience, particularly in studies of neuronal response to environmental stressors. CIRP plays a role in neuronal survival, synaptic plasticity, and neuroinflammation. By using TAT-CIRP, researchers can modulate CIRP levels in neural cells or brain tissue models, facilitating investigations into its neuroprotective mechanisms and its impact on neural circuitry. These insights contribute to a deeper understanding of brain adaptation to stress and the molecular underpinnings of neurodegenerative processes.
Inflammation and Immune Response Modulation: The role of CIRP as a damage-associated molecular pattern (DAMP) protein has spurred interest in using the TAT fusion to study its effects on immune cell activation and inflammatory signaling. Researchers employ this compound to probe the regulation of cytokine production, leukocyte recruitment, and inflammatory gene expression in various cell and tissue models. Such studies are pivotal for unraveling the molecular mechanisms of inflammation and for identifying CIRP-mediated pathways that may be targeted for immune modulation in research contexts.
Epigenetic and Transcriptomic Profiling: TAT-CIRP is increasingly being utilized in advanced omics studies to explore its influence on the epigenetic landscape and transcriptome dynamics. By delivering CIRP into experimental systems, scientists can perform comprehensive analyses of chromatin modifications, DNA methylation patterns, and global changes in gene expression profiles. These approaches provide a systems-level view of how CIRP orchestrates cellular adaptation to stress and regulates the interplay between the epigenome and the transcriptome, offering new perspectives for basic and translational research in molecular biology.
2. TMEM16F and dynamins control expansive plasma membrane reservoirs
4. C-Peptide replacement therapy and sensory nerve function in type 1 diabetic neuropathy
If you have any peptide synthesis requirement in mind, please do not hesitate to contact us at . We will endeavor to provide highly satisfying products and services.
Creative Peptides is a trusted CDMO partner specializing in high-quality peptide synthesis, conjugation, and manufacturing under strict cGMP compliance. With advanced technology platforms and a team of experienced scientists, we deliver tailored peptide solutions to support drug discovery, clinical development, and cosmetic innovation worldwide.
From custom peptide synthesis to complex peptide-drug conjugates, we provide flexible, end-to-end services designed to accelerate timelines and ensure regulatory excellence. Our commitment to quality, reliability, and innovation has made us a preferred partner across the pharmaceutical, biotechnology, and personal care industries.
Read More