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Related Concept Videos

Tumor Immunotherapy01:27

Tumor Immunotherapy

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Immunotherapy is a treatment that boosts or manipulates the immune system to fight diseases, including cancer. For instance, by stimulating an immune response through vaccinations against viruses that cause cancers, like hepatitis B virus and human papillomavirus, these diseases can be prevented. Nonetheless, some cancer cells can avoid the immune system due to their rapid mutation and division. The immune response to many cancers involves three phases: elimination, equilibrium, and escape.
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The Tumor Microenvironment02:17

The Tumor Microenvironment

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Every normal cell or tissue is embedded in a complex local environment called stroma, consisting of different cell types, a basal membrane, and blood vessels. As normal cells mutate and develop into cancer cells, their local environment also changes to allow cancer progression. The tumor microenvironment (TME) consists of a complex cellular matrix of stromal cells and the developing tumor. The cross-talk between cancer cells and surrounding stromal cells is critical to disrupt normal tissue...
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Targeted Cancer Therapies02:57

Targeted Cancer Therapies

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The targeted cancer therapies, also known as “molecular targeted therapies,” take advantage of the molecular and genetic differences between the cancer cells and the normal cells. It needs a thorough understanding of the cancer cells to develop drugs that can target specific molecular aspects that drive the growth, progression, and spread of cancer cells without affecting the growth and survival of other normal cells in the body.
There are several types of targeted therapies against...
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Cancer Vaccines01:30

Cancer Vaccines

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Cancer treatment vaccines are a rapidly evolving field that offers a promising approach to immunotherapy. Unlike traditional vaccines that prevent diseases, cancer treatment vaccines are designed to treat existing cancers by stimulating the immune system to recognize and attack cancer cells.
Cancer vaccines come in two categories: preventive (prophylactic) and treatment (active). Preventive vaccines, such as the Human Papillomavirus (HPV) vaccine, protect against viruses that cause certain...
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Bioluminescent Bacterial Imaging In Vivo
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Engineered bacteria in tumor immunotherapy.

Hua Chen1, Yinrui Zhu1, Chonghai Zhang1

  • 1State Key Laboratory of Radiation Medicine and Protection, School for Radiological and Interdisciplinary Sciences (RAD-X) and Collaborative Innovation Centre of Radiation Medicine of Jiangsu Higher Education Institutions, Soochow University, 199 Renai Road, Suzhou, 215123, China.

Cancer Letters
|March 16, 2024
PubMed
Summary
This summary is machine-generated.

Engineered bacteria are emerging as powerful biological tools to overcome cancer immunotherapy limitations. These modified microbes can target tumors and produce drugs, revolutionizing cancer treatment strategies.

Keywords:
Combined therapyControlled releaseEngineered bacteriaGene editingImmunotherapySynthetic biology

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Area of Science:

  • Oncology
  • Immunology
  • Synthetic Biology
  • Microbiology

Background:

  • Cancer immunotherapy faces limitations, driving the need for novel therapeutic strategies.
  • Engineered bacteria offer a promising avenue to enhance treatment efficacy.
  • Advances in genetic and synthetic biology enable sophisticated bacterial modifications.

Purpose of the Study:

  • To review the intricate interplay between engineered bacteria and the immune system in cancer therapy.
  • To explore the potential of engineered bacteria as tumor-targeting vehicles and in situ pharmaceutical factories.
  • To assess the role of engineered bacteria in optimizing immunotherapy and combination therapies.

Main Methods:

  • Review of current literature on engineered bacteria in cancer immunotherapy.
  • Analysis of genetic and synthetic biology approaches for bacterial modification.
  • Examination of immune system interactions with engineered bacterial agents.

Main Results:

  • Engineered bacteria demonstrate diverse applications beyond conventional immunomodulation.
  • These bacteria can be designed for tumor targeting and localized drug delivery.
  • Interactions between engineered bacteria and the immune system offer strategies to optimize immunotherapy.

Conclusions:

  • Engineered bacteria represent a promising novel therapeutic strategy for cancer treatment.
  • These biological tools have the potential to significantly alter the landscape of cancer immunotherapy.
  • Further research into engineered bacteria could lead to more effective and personalized cancer therapies.