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| Catalog Number | Size | Price | Quantity | ||
|---|---|---|---|---|---|
| BADC-01042 | -- | $-- | Inquiry |
Mal-PEG4-Val-Cit-PAB-OH is a specialized bioconjugation reagent widely used in the development of targeted drug delivery systems, particularly for antibody-drug conjugates (ADCs) and other precision therapeutic approaches. The compound contains a maleimide (Mal) group that facilitates conjugation with thiol-containing biomolecules, such as peptides or antibodies, while the PEG4 spacer enhances solubility, stability, and pharmacokinetics. The Val-Cit-PAB-OH linker, with its enzymatically cleavable bond, allows for controlled drug release, which is triggered by specific proteases present in the tumor microenvironment. This selective release mechanism helps minimize off-target effects and increases the overall efficacy of therapeutic agents.
One of the most prominent applications of Mal-PEG4-Val-Cit-PAB-OH is in the creation of antibody-drug conjugates (ADCs) for cancer therapy. By attaching cytotoxic drugs to antibodies through the maleimide group, the conjugates are able to specifically target tumor cells expressing relevant surface antigens. The PEG4 spacer improves the solubility and circulation time of the conjugate, while the Val-Cit-PAB-OH linker is cleaved by tumor-specific enzymes, releasing the therapeutic payload directly within the tumor. This selective release mechanism enhances the targeted delivery of the drug, increasing its efficacy and reducing systemic toxicity, making ADCs an effective tool in precision oncology.
Another key application of Mal-PEG4-Val-Cit-PAB-OH is in the development of targeted delivery systems for other types of therapeutics, such as small molecule drugs, oligonucleotides, or gene therapies. The PEG4 spacer improves the pharmacokinetics of the conjugate, ensuring better solubility and stability in biological systems. The enzymatically cleavable linker provides controlled release of the therapeutic agent at the target site, offering high precision in treatment. This makes Mal-PEG4-Val-Cit-PAB-OH an ideal candidate for designing advanced drug delivery systems that can selectively release therapeutic agents at disease sites, such as tumors or infected tissues, thereby enhancing treatment efficacy and minimizing side effects.
In addition to its use in drug delivery, Mal-PEG4-Val-Cit-PAB-OH is valuable for protein and peptide conjugation applications in research. The maleimide group allows for the covalent attachment of peptides, proteins, or antibodies to other molecules, while the PEG4 spacer ensures that the conjugated biomolecules remain soluble and stable in solution. The Val-Cit-PAB-OH linker offers the advantage of controlled release, making this compound useful in applications such as proteomics, molecular imaging, and diagnostic assays, where precise control over the release of biomolecules is crucial for accurate detection and analysis.
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BOC Sciences offers comprehensive services for ADC manufacturing, including antibody modification, linker chemistry, payload conjugation, and formulation development. In particular, our payload-linker customization service offers a convenient and fast raw material channel for many ADC researchers.
BOC Sciences provides one-stop site-specific conjugation services for amino acids, glycans, unnatural amino acids, and short peptide tags. In addition, cysteine conjugation, lysine conjugation, enzymatic conjugation, thio-engineered antibody can also be obtained quickly.
BOC Sciences offers a full range of linkers, including peptide linkers, PEG linkers, click chemistry, PROTAC linkers, non-cleavable linkers, etc. We also provide custom development services for chemically labile linkers and enzymatically cleavable linkers.
