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Because of misinformation suggesting that COVID-19 might alter DNA, some academics insisted that mRNA vaccines were not a "gene therapy" to prevent the spread of this misinformation, but others said that mRNA vaccines were a gene therapy because they introduce genetic material into cells.
Viruses that have been used for gene therapy are, adenovirus, lentivirus, retrovirus and the herpes simplex virus. [10] The most common virus used for gene delivery come from adenoviruses as they can carry up to 7.5 kb of foreign DNA and infect a relatively broad range of host cells, although they have been known to elicit immune responses in ...
With the discovery of various types of immune-related disorders, there is a need for diversification in prevention and treatment. Developments in the field of gene therapy are being studied to be included in the scope of this treatment, but of course more research is needed to increase the positive results and minimize the negative effects of gene therapy applications. [27]
Proponents of the Kawaoka and Fouchier experiments cited several benefits: these answered the question of how a virus like H5N1 could possibly become airborne in humans, allowed other researchers to develop vaccines and therapeutics which specifically targeted these amino acid changes, [28] [29] [30] and also demonstrated that there was a ...
The COVID-19 mRNA vaccines from Moderna and Pfizer–BioNTech had short-term efficacy rates of over 90 percent against the original SARS-CoV-2 virus. Prior to mRNA, drug trials on pathogens other than COVID-19 were not effective and had to be abandoned in the early phases of trials. The reason for the efficacy of the new mRNA vaccines is not clear.
Gene therapy may be classified into two types by the type of cell it affects: somatic cell and germline gene therapy. In somatic cell gene therapy (SCGT), the therapeutic genes are transferred into any cell other than a gamete, germ cell, gametocyte, or undifferentiated stem cell.
In diseases that are secondary to a genetic mutation that causes the lack of a gene, the gene is added back in. [24] [25] [26] In diseases that are due to the overexpression of a gene, viral genetic engineering may be introduced to turn off the gene. [24] [25] [26] Viral gene therapy may be done in vivo or ex vivo.
Host-("vaccinee")-related determinants that render a person susceptible to infection, such as genetics, health status (underlying disease, nutrition, pregnancy, sensitivities or allergies), immune competence, age, and economic impact or cultural environment can be primary or secondary factors affecting the severity of infection and response to ...