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Related Concept Videos

Tumor Immunotherapy01:27

Tumor Immunotherapy

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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Targeted Cancer Therapies

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.
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Engineering Grp170-based immune modulators for cancer immunotherapy.

Xiaofei Yu1, Xiang-Yang Wang

  • 1Department of Human and Molecular Genetics; Virginia Commonwealth University School of Medicine; Richmond, VA USA ; VCU Institute of Molecular Medicine; Virginia Commonwealth University School of Medicine; Richmond, VA USA ; VCU Massey Cancer Center; Virginia Commonwealth University School of Medicine; Richmond, VA USA.

Oncoimmunology
|July 30, 2013
PubMed
Summary
This summary is machine-generated.

Glucose-regulated protein 170 (Grp170) chaperones stimulate anticancer immunity by remodeling the tumor microenvironment. This enhances immune responses to control primary tumors and metastases, supporting Grp170-based immunotherapies.

Keywords:
dendritic cellsglucose-regulated protein 170immune modulator molecular chaperonetumor microenvironmentvaccine

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Area of Science:

  • Immunology
  • Molecular Biology
  • Oncology

Background:

  • The endoplasmic reticulum stress-responsive protein, glucose-regulated protein 170 (Grp170), functions as a molecular chaperone.
  • Molecular chaperones play roles in protein folding and cellular stress responses.
  • Understanding the immunomodulatory potential of Grp170 is an emerging area of research.

Purpose of the Study:

  • To investigate the potential of Grp170 as a tool to stimulate anticancer immunity.
  • To evaluate the capacity of Grp170 to remodel the tumor microenvironment.
  • To assess the efficacy of Grp170-based strategies in controlling tumor progression.

Main Methods:

  • Utilized Grp170 as a molecular chaperone for antigen presentation.
  • Administered Grp170-based chaperone to preclinical cancer models.
  • Analyzed immune cell infiltration and activity within the tumor microenvironment.
  • Monitored the control of primary tumor growth and metastasis.

Main Results:

  • Grp170 demonstrated superior antigen chaperoning and delivery capabilities.
  • Grp170-based chaperones effectively remodeled the tumor microenvironment.
  • Immune responses induced by Grp170 controlled primary tumor progression.
  • Metastatic spread was significantly reduced in Grp170-treated models.

Conclusions:

  • Grp170 can be leveraged to enhance anticancer immunity.
  • Grp170-based immunomodulating strategies show promise for cancer therapy.
  • Further development of Grp170-based approaches is warranted to potentiate antitumor immune responses.