Why and how might antibodies againt IL-6 or IL-6 receptor be used for treating patients with life-threatening COVID? How to prepare Fabs from these antibodies?
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Why and how might antibodies againt IL-6 or IL-6 receptor be used for treating patients with life-threatening COVID? How to prepare Fabs from these antibodies?
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- What advantages do monoclonal antibodies have compared topolyclonal antibodies? How are mAbs produced?Serum from individuals with high levels of antibody to SARS-CoV2 has been used to treat patients with severe COVID-19. What is ONE way (there are several) that passive immunization with the antibody to the virus could help these patients? HINT: think about what opsonization with antibody could do for the innate immune response.Can a mouse infected with Bacillus anthracis generate antibodies against the S-layer? How do you know? I need help finding the answer in the article and explain in short answer link to article: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC106848/
- How are antibodies used as targeting molecules? What are their advantages and disadvantages?What Moniclonal antibody topics can one do research on ?Addition of immunoglobulin G (IgG) specific for hemoglobin to a solution of hemoglobin results in the formation of a red precipitate. In contrast, addition of the Fab fragments from this antibody to hemoglobin results in no such precipitate. What could explain this difference in results? Treatment with papain produces Fab fragments with different antigen specificity than the original IgG molecule. IgG can simultaneously bind two different antigens, whereas an Fab fragment can only bind one antigen at a time. The Fab fragments preferentially bind to other Fab fragments rather than to hemoglobin. The hemoglobin molecule antibody-binding sites can bind IgG molecules, but cannot bind Fab fragments.
- Which of the IgG subclasses would you think was in principle most desirable for use as a therapeutic monoclonal antibody, and why? Are there any disadvantages to using this subclass and how might they be overcome?Peptide editing is an important component of antigen presentation for both MHC class I and MHC class II pathways, as it drives the preferential presentation of high-affinity binding peptides. For MHC class II peptide editing, HLA-DM plays a key role. In the absence of HLA-DM: MHC class II molecules traffic to the cell surface with CLIP in their binding sites. No MHC class II molecules are released to traffic to the cell surface. MHC class II molecules bind to HLA-DO and are inhibited from binding peptides. Pathogens can evade the immune system by blocking peptide exchange on MHC class II. HLA-DO competes for high-affinity binding peptides with MHC class II molecules and blocks antigen presentation.What is the effect of the changes in the structure of the immunoglobulin G and its function of binding to and neutralizing/ tagging pathogens when there is an Increased production of metabolites in the blood that reduces its pH to < 6?
- Can S-layer proteins be detected by immunolabelling when a capsule is present? How do you know? I need help finding the answer in the article and explain in short answer link to article: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC106848/If antibody responses are not elicited by a Covid-19 vaccine, are there other types of immune response that could provide protection from the SARS-Co-V2 virus following vaccination? Explain why or why not.Some pathogenic microorganisms encode proteins, such as the Staphylococcus Protein A, that bind to immunoglobulin constant region domains with high affinity. These microbial proteins provide a benefit to the microorganism by: Preventing antibodies bound to the microbe from binding to Fc receptors on phagocytes Blocking the binding of anti-microbial antibodies to the pathogen surface Cleaving the antibody into fragments that separate the antigen-binding region from the effector function Inducing aggregation of the anti-microbial antibodies by multivalent binding to the pathogen-derived protein Preventing the antibody from neutralizing the pathogen