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Exatecan is an inhibitor of DNA topoisomerase I, with an IC50 of 2.2 μM (0.975 μg/mL). It can be used to study cancer.
| Catalog Number | Size | Price | Quantity | ||
|---|---|---|---|---|---|
| BADC-01396 | -- | $-- | Inquiry |
Exatecan, a potent inhibitor of DNA topoisomerase I, represents a notable compound in the landscape of cancer research and drug discovery. As an analog of camptothecin, it functions to impede the DNA replication process in rapidly dividing cancer cells. With an IC50 of 2.2 μM (0.975 μg/mL), Exatecan effectively inhibits the re-ligation step of the DNA cleavage, thereby leading to DNA damage and eventual cell death. This mechanism underscores its potential as a potent therapeutic agent in treating various forms of cancer, most notably those that are resistant to other forms of chemotherapy.
The significance of Exatecan in drug discovery extends beyond its immediate cytotoxic effects. As research progresses, understanding the cellular environments and genetic variations that affect topoisomerase I’s function becomes crucial. Exatecan’s specificity for topoisomerase I makes it a vital tool in elucidating the role of this enzyme in DNA replication and repair mechanisms. By delineating these pathways, scientists can better understand cancer cell resistance to topoisomerase inhibitors and work towards overcoming these challenges. Such insights are critical for designing next-generation drugs that may either enhance the efficacy of existing topoisomerase inhibitors or provide novel therapeutic options through combination therapies.
Moreover, Exatecan’s utility in drug discovery is heightened by its role in preclinical and clinical evaluations of new cancer therapies. Used in vitro and in vivo studies, Exatecan helps in assessing the pharmacokinetics, pharmacodynamics, and toxicity profiles of novel compounds. By serving as a benchmark or a component of combination therapies, it aids researchers in optimizing dosing regimens and reducing adverse effects associated with treatment. This strategic application is particularly important when developing therapeutic strategies for intractable cancers such as metastatic breast cancer or advanced small-cell lung cancer.
Combining Exatecan with other therapeutic modalities illustrates another realm of innovation within drug discovery. The synergy between Exatecan and antibodies or other small molecules holds promise in targeted cancer therapies. For instance, in conjugate forms, Exatecan can be delivered directly to tumor sites, minimizing systemic exposure and resultant toxicities. These innovative delivery systems not only improve the therapeutic index but also provide pathways for circumventing multi-drug resistance observed in many tumors. Such advancements are a testament to Exatecan’s versatility and pivotal role in designing effective cancer treatment paradigms.
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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.
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