Recombinant Antibodies: Functions and Applications
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Added on 2023/01/19
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Recombinant antibodies are fragments produced through gene recombination and play crucial roles in the medical and research field. They offer a wide spectrum of functions, ranging from diagnosis to treatment management therapies. Substrate selection in immunoassay development is essential for robust results.
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Recombinant antibodies Recombinant antibodies refer to fragments which are produced through the recombination of coding genes (Kunert & Reinhart, 2016). They majorly entail light and heavy chains of the immunoglobulin variable region. They play crucial roles in the medical and research arena which are essential in making active sites for target medication. The common form is a single chain variable fragment which is often exploited in human medicine. The monoclonal antibodies entail the loss of the desired capacity to produce antibody over time, making the antibody to undergo unwanted changes affecting the overall functionality, recombinant ability in the production of the phage display and maintenance of low and high specificity in the immunogenicity action (Zhong et al., 2015). Recombinant antibodies offer a wide spectrum of functions ranging from diagnosis to treatment management therapies for many diagnoses. Their key advantage of having low and high specificity makes them an alternative form of treatment thus leading to the low occurrence of adverse effects on patients. The key role in the field of immunoassay towards tumor markers entails the usage of single chain variable fragment usage. The single chain variable –scFV informs the specificity on the part of the target modules which target the immune response of specific cancer cells indicating the target gene (Yuan et al., 2014). Tumour markers entail substances in the body which are produced in large quantities in presence of cancer conditions. They are majorly found in blood, stool, and urine or tumoir tissues. The nature of these substance are protein and are often expressed in gene make up as part of DNA change which act as tumour markers. Tumours markers are used in collaboration with other techniques to detect cancer. Tumour markers have provided beneficial assessment and diagnosis of cancer with the development of calorimeter immunoassays, they have led to much attention due to high efficiently and simple nature. Many other immunoassay have been developed using the tumour markers for the diagnosis of cancer (Yin, Cao, Xu & Li, 2010). Other immune essays produced entail Chomorganin A ELISA, Melatonin Elisa, Serotonin ELISA among others. Substrate Selection in Immunoassay development Substrate selection in the overall antigen system is essential in blocking and stabilization process and the overall detection of the substrates is essential in ensuring the production of robust results. The key fundamental areas considered for substrate selection entail kinetics, stop reagent, dynamic ranges and timing essays. Substrates selection affects the sensitivity and specificity limit performance on the target sites. Essay having high sensitivity does not offer a lower level of detection which is an important aspect in the choice of substrates design. Process efficiently and timing is essential in substrates design as they offer quick development in plates processing, (Acker & Auld, 2014).
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References Acker, M. G., & Auld, D. S. (2014). Considerations for the design and reporting of enzyme assays in high-throughput screening applications.Perspectives in Science,1(1-6), 56-73. Kunert, R., & Reinhart, D. (2016). Advances in recombinant antibody manufacturing.Applied microbiology and biotechnology,100(8), 3451-3461. Yin, Y., Cao, Y., Xu, Y., & Li, G. (2010). Colorimetric immunoassay for detection of tumor markers.International journal of molecular sciences,11(12), 5077-5094. Yuan, R., Chen, X., Chen, Y., Gu, T., Xi, H., Duan, Y., ... & Wu, C. (2014). Preparation and diagnostic use of a novel recombinant single-chain antibody against rabies virus glycoprotein. Applied microbiology and biotechnology,98(4), 1547-1555. Zhong, N., Loppnau, P., Seitova, A., Ravichandran, M., Fenner, M., Jain, H., ... & Olszewski, M. (2015). Optimizing production of antigens and Fabs in the context of generating recombinant antibodies to human proteins.PloS one,10(10), e0139695.