Promega qPCR Grant Series #3: Immunotherapy Researcher, Dr. Sabrina Alves dos Reis 

Professional headshot image of Dr. Sabrina Alves dos Reis, subject of the blog post
Sabrina Alves dos Reis

In our third and final installment of the Promega qPCR Grant Recipient blog series, we highlight Dr. Sabrina Alves dos Reis, a trained immunotherapy researcher. Her work has focused on developing tools for more accessible cancer therapies using CAR-T cells. Here, we explore Dr. Alves dos Reis’ academic and scientific journeys, highlight influential mentorship and foreshadow her plans for the Promega qPCR grant funds. 

Dr. Alves dos Reis’ career began with a strong affinity for biology. As an undergraduate student, she pursued a degree in biological science, where she developed a foundational understanding for designing and developing research projects. As her passion for science heightened, she decided to continue her journey in science, culminating in a PhD at the Fundação Oswaldo Cruz Institute in Rio de Janeiro, Brazil. Her research projects focused on the unexplored territory of adipose tissue as a site for Mycobacterium leprae—or leprosy bacillus—infection. She mentioned that this work piqued her curiosity for improving immunotherapies and laid the foundation for her future in cancer research.  

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Cancer Preventing Vaccines: Unleashing the Potential of Tumor Antigens

It has been more than 100 years since Dr. William B. Coley, known today as the “Father of Immunotherapy,” made the first recorded attempt to mobilize the immune system as a means of treating cancer (9). Decades later, the discovery of T cells and the vital role they play in the immune system set the groundwork for many new immunotherapy treatments, such as those involving monoclonal antibodies, cytokines, CAR T cells, and checkpoint inhibitors.

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Bacteria and Viruses as Cancer Treatments

Over a hundred years ago William B Coley, the “Father of Immunotherapy”, discovered that injection of bacteria or bacterial toxins into tumors could cause those tumors to shrink. The introduction of bacteria had the side-effect of stimulating the immune system to attack the tumor. The field of cancer immunotherapy research—which today includes many different approaches for generating anti-tumor immune responses—originated with these early experiments.

Use of bacteria is one way to stimulate the immune system to attack cancer cells, others include use of cytokines, immune checkpoint blockades and vaccines. This Nature animation provides a simple overview of these methods.

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