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  • Researchers develop...

Researchers develop new high-performance vaccine to inhibit cancer

Written By : Hina Zahid |Medically Reviewed By : Dr. Kamal Kant Kohli Published On 2020-05-26T13:30:00+05:30  |  Updated On 26 May 2020 1:37 PM IST
Researchers develop new high-performance vaccine to inhibit cancer
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Therapeutic cancer vaccines that harness the immune system to reject cancer cells have shown great promise for tumor treatment.

Scientists from the Institute of Process Engineering (IPE) of the Chinese Academy of Sciences have developed a new therapeutic tumor vaccine based on self-healing polylactic acid microcapsules, which can efficiently activate the immune system and inhibit tumor development.

This research has been published in Science Advances .

Developing safe and efficient bioformulations using approved materials and ingenious designs can accelerate the clinical translation process.

The research team, led by Prof. MA Guanghui and Prof. WEI Wei from IPE, already designed and fabricated a variety of tumor vaccines in their previous work. Theses vaccines have been proven effective in different tumor models, such as lymphoma, melanoma and breast cancer.

The researchers were impelled to improve the earlier tumor vaccines, however, due to certain limitations. For example, Prof. MA said that an unfavorable immunization microenvironment, along with a complicated preparation process and the need for frequent vaccinations significantly compromised their performance. "Therefore, we designed a novel microcapsule-based formulation for high-performance cancer vaccinations," said Prof. MA.

This study represents the first time researchers used self-healing microcapsules with post-encapsulation, multiple loading, and efficient modulation of immunization microenvironments in a tumor vaccine.

The special self-healing feature provides a mild and efficient paradigm for antigen microencapsulation. After vaccination, these microcapsules create a favorable immunization microenvironment in situ, wherein antigen release kinetics, recruited cell behavior and acid surrounding environment work in a synergetic manner.

Owing to synergetic effects, the vaccine succeeds in increasing antigen utilization, improving antigen presentation and activating antigen presenting cells. "As a result, effective T cell response, potent tumor inhibition, anti-metastatic effects and prevention of postsurgical recurrence are achieved with various types of antigens in different tumor models," said Prof. WEI.

Moreover, the researchers verified the availability of the novel vaccine platform used in the neoantigen vaccine, which conforms to precision medicine, said Prof. WEI. Due to the simple post-encapsulation process, the clinicians were able to prepare the neoantigen formulation by themselves at any time.

A peer reviewer from Science Advances described the study as "comprehensive and rationally designed." The reviewer also emphasized that the results are "impressive" and the work has "high value for therapeutic vaccines and cancer immunotherapy."

For more details click on the link: http://dx.doi.org/10.1126/sciadv.aay7735

cancer vaccinenovel vaccinetumor vaccine
Source : Science Advances
Hina Zahid
Hina Zahid

    Hina Zahid Joined Medical Dialogue in 2017 with a passion to work as a Reporter. She coordinates with various national and international journals and association and covers all the stories related to Medical guidelines, Medical Journals, rare medical surgeries as well as all the updates in the medical field. Email: editorial@medicaldialogues.in. Contact no. 011-43720751

    Dr. Kamal Kant Kohli
    Dr. Kamal Kant Kohli

    Dr Kamal Kant Kohli-MBBS, DTCD- a chest specialist with more than 30 years of practice and a flair for writing clinical articles, Dr Kamal Kant Kohli joined Medical Dialogues as a Chief Editor of Medical News. Besides writing articles, as an editor, he proofreads and verifies all the medical content published on Medical Dialogues including those coming from journals, studies,medical conferences,guidelines etc. Email: drkohli@medicaldialogues.in. Contact no. 011-43720751

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