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PEGylation (or pegylation) is the process of both covalent and non-covalent attachment or amalgamation of polyethylene glycol (PEG, in pharmacy called macrogol) polymer chains to molecules and macrostructures, such as a drug, therapeutic protein or vesicle, which is then described as PEGylated.
Pegylated interferon alfa-2b is a drug used to treat melanoma, as an adjuvant therapy to surgery. [3] Also used to treat hepatitis C (typically, in combination with ribavarin), it is no longer recommended due to poor efficacy and adverse side-effects. [4] Subcutaneous injection is the preferred delivery method. [3]
Pegylated interferon (PEG-IFN) is a class of medication that includes three different drugs as of 2012: [1]. Pegylated interferon-alpha-2a; Pegylated interferon-alpha-2b ...
PEGylation of adenoviruses for gene therapy can help prevent adverse reactions due to pre-existing adenovirus immunity. [8] A PEGylated lipid is used as an excipient in both the Moderna and Pfizer–BioNTech vaccines for SARS-CoV-2. Both RNA vaccines consist of messenger RNA, or mRNA, encased in a bubble of oily molecules called lipids ...
For genotype 1 hepatitis C treated with pegylated interferon alfa-2a or pegylated interferon alfa-2b combined with ribavirin, it has been shown that genetic polymorphisms near the human IL28B gene, encoding interferon lambda 3, are associated with significant differences in response to the treatment.
Peptide modifications to extend half-life include PEGylation, glycosylation, cyclization, serum albumin binding, and lipidation. PEGylation is the attachment of polyethylene glycol (PEG) chains to the peptide via covalent bonds, helping to increase molecular weight, and limit enzymatic degradation as a result of steric hindrance caused by ...
The woman is likely “the longest-surviving patient with cancer who received CAR-T therapy,” the paper notes. “Encouragingly, she has subsequently had two full-term pregnancies with normal ...
Pegaptanib is a pegylated anti-vascular endothelial growth factor (VEGF) aptamer, a single strand of nucleic acid that binds with specificity to a particular target. . Pegaptanib specifically binds to the 165 isoform of VEGF, a protein that plays a critical role in angiogenesis (the formation of new blood vessels) and increased permeability (leakage from blood vessels), two of the primary ...