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| Catalog Number | Size | Price | Quantity | ||
|---|---|---|---|---|---|
| BADC-01023 | -- | $-- | Inquiry |
Mal-PEG4-Val-Cit-PAB is a bioconjugation reagent designed for use in targeted drug delivery systems, especially in the context of antibody-drug conjugates (ADCs). The compound consists of a maleimide (Mal) group, a polyethylene glycol (PEG4) spacer, and a Val-Cit-PAB (valine-citrulline-p-aminobenzyloxycarbonyl) linker. The maleimide group facilitates conjugation with thiol-containing biomolecules, such as antibodies or peptides, while the PEG4 spacer enhances solubility, stability, and pharmacokinetics. The Val-Cit-PAB linker is particularly useful for selective drug release, as it is cleaved by specific enzymes, making this compound ideal for controlled and targeted delivery of therapeutic agents.
One of the primary applications of Mal-PEG4-Val-Cit-PAB is in the development of antibody-drug conjugates (ADCs) for cancer therapy. The maleimide group enables the attachment of cytotoxic drugs to antibodies, allowing for the targeted delivery of therapeutics to cancer cells that express specific surface markers. The PEG4 spacer ensures the stability and solubility of the conjugate, improving circulation time and enhancing the pharmacokinetics of the ADC. The Val-Cit-PAB linker provides enzyme-sensitive cleavage, which ensures that the drug is released selectively in the tumor microenvironment, where the linker is typically cleaved by tumor-associated proteases. This mechanism minimizes systemic toxicity and improves the therapeutic index, making ADCs a powerful tool in precision medicine for cancer treatment.
Mal-PEG4-Val-Cit-PAB is also used in the design of targeted delivery systems for other therapeutic agents, such as small molecule drugs or RNA-based therapies. The PEG4 spacer enhances the solubility and bioavailability of the conjugate, while the Val-Cit-PAB linker allows for drug release under specific conditions. This feature makes Mal-PEG4-Val-Cit-PAB ideal for use in developing drugs that require targeted release at specific sites in the body, such as tumors or infected tissues. The ability to control drug release based on enzymatic activity allows for greater precision in treatment, reducing off-target effects and improving patient outcomes.
Another important application of Mal-PEG4-Val-Cit-PAB is in the field of peptide and protein conjugation for research and diagnostic purposes. The maleimide group facilitates the covalent attachment of peptides or proteins to other biomolecules, while the PEG4 spacer ensures that the conjugated molecules remain soluble and stable in aqueous environments. The Val-Cit-PAB linker enables selective cleavage, which is useful in creating controlled release systems for various bioactive agents. This compound is valuable in proteomics, immunoassays, and targeted delivery of imaging agents, offering high specificity and efficiency in conjugation and release applications.
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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.
