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https://www.selleckchem.com/products/sbe-b-cd.html DNA vaccines assisted by electroporation efficiently trigger antitumor cytotoxic CD8+ T cell responses in preclinical cancer models and hold potential for human use. They can be easily engineered to express either tumor-associated self-antigens, which are broadly expressed among tumor patients but also in healthy tissue, or tumor-specific neoantigens, which are uniquely expressed in tumors and differ among patients. Recently, it has been demonstrated that DNA vaccination generates both circulating and tissue-resident compartments of CD8+ T cells, which act concertedly against tumors. Here we describe the steps to obtain and test DNA vaccines against models of self-antigens and neoantigens in mice. It includes the evaluation of effector and memory CD8+ T cell responses, as well as assessing the antitumor potential in vivo using transplantable syngeneic tumor models.Human papillomavirus (HPV ) has been extensively associated with the development of cervical cancer due to the expression of oncoproteins like E7. This protein can interfere with pRB tumor suppressor activity, enabling the uncontrolled proliferation of abnormal cells. DNA vaccines are known as the third-generation vaccines, providing the ability of targeting viral infections such as HPV in a preventive and therapeutic way. Although current strategies make use of plasmid DNA (pDNA) as the vector of choice to be used as a DNA vaccine, minicircle DNA (mcDNA) has been proving its added value as a non-viral DNA vector by demonstrating higher expression efficiency and increased biosafety than the pDNA. However, due to its innovative profile, few methodologies have been explored and implemented for the manufacture of this molecule. This chapter describes the detailed procedures for the production, extraction, and purification of supercoiled E7-mcDNA vaccine, by using size-exclusion chromatography to obtain mcDNA with a purity degree which meets the regulatory age

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