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Related Concept Videos

Tumor Immunotherapy01:27

Tumor Immunotherapy

567
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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Microorganisms in Medicine and Therapeutics01:29

Microorganisms in Medicine and Therapeutics

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Microorganisms play a fundamental role in vaccine development, gene therapy, and therapeutic production. Their biological properties are harnessed to advance medicine and public health. Beyond immunization, microorganisms contribute to gut health, antibiotic synthesis, and genetic disease treatment.Live Attenuated and Inactivated VaccinesLive attenuated vaccines, such as the measles, mumps, and rubella (MMR) vaccine, utilize weakened forms of pathogens to closely resemble natural infections.
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Adaptive Mechanisms in Cancer Cells02:53

Adaptive Mechanisms in Cancer Cells

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Cancer cells accumulate genetic changes at an abnormally rapid rate due to the defects in the DNA repair mechanisms. From an evolutionary perspective, such genetic instability is advantageous for cancer development. Mutant cell lines accumulate a series of beneficial mutations that contribute to their progression into cancer.
Some of the advantages that cancer cells have on normal cells include - enhanced ability to divide without terminally differentiating, induce new blood vessel formation,...
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mTOR Signaling and Cancer Progression03:03

mTOR Signaling and Cancer Progression

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The mammalian target of rapamycin or mTOR protein was discovered in 1994 due to its direct interaction with rapamycin. The protein gets its name from a yeast homolog called TOR. The mTOR protein complex in mammalian cells plays a major role in balancing anabolic processes such as the synthesis of proteins, lipids, and nucleotides and catabolic processes, such as autophagy in response to environmental cues, such as availability of nutrients and growth factors.
The mTOR pathway or the...
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Cancer Vaccines01:30

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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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Cancer Therapies02:49

Cancer Therapies

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Cancer therapies are various modes of treatment, such as surgery, radiation therapy, and chemotherapy that are administered to cancer patients.
However, cancer treatments can pose several challenges, as therapies used to kill cancer cells are generally also toxic to normal cells. Moreover, cancer cells mutate rapidly and can develop resistance to chemical agents or radiation therapy. Besides, all types of cancer cells may not respond to the same therapy. Some cancer cells respond to one...
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Monitoring the Cancer-Immunity Cycle and Exploring Tumor Microenvironment Dynamics
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The microbial code and cancer immunotherapy outcome.

Yan Yan1

  • 1CAS Key Laboratory of Molecular Virology and Immunology, Chinese Academy of Sciences (CAS), Shanghai 200025, China.

Cell Host & Microbe
|July 13, 2023
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The gut microbiome significantly impacts cancer immunotherapy effectiveness. Researchers identified specific microbial patterns before treatment that predict patient response, offering new strategies for personalized medicine.

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Area of Science:

  • Immunology
  • Microbiology
  • Oncology

Background:

  • The gut microbiome's role in immune response, particularly in cancer immunotherapy, remains largely uncharacterized.
  • Understanding microbial influence is crucial for optimizing cancer treatment outcomes.

Purpose of the Study:

  • To investigate the gut microbiome's configuration prior to cancer immunotherapy.
  • To determine how antibiotic-masked microbial features affect immunotherapy efficacy.

Main Methods:

  • Analysis of microbiome composition before cancer immunotherapy.
  • Assessment of microbial signatures associated with treatment response.

Main Results:

  • Identified specific microbial configurations that correlate with immunotherapy effectiveness.
  • Demonstrated the impact of previously obscured microbial features on treatment outcomes.

Conclusions:

  • The gut microbiome plays a critical role in modulating immune responses to cancer therapy.
  • Microbial signatures can serve as predictive biomarkers for immunotherapy success.
  • This research provides a framework for developing microbiome-informed clinical strategies in oncology.