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Related Concept Videos

The Retinoblastoma Gene01:20

The Retinoblastoma Gene

Tumor suppressor genes are normal genes that can slow down cell division, repair DNA mistakes, or program the cells for apoptosis in case of irreparable damage. Hence, they play an essential role in preventing the proliferation of damaged cells.
The first-ever tumor suppressor gene called Rb was identified in retinoblastoma - a rare eye tumor in children. In inherited forms of the disease, a child inherits one defective copy of the Rb gene, which predisposes them to retinoblastoma. However,...
The Retinoblastoma Gene01:20

The Retinoblastoma Gene

Tumor suppressor genes are normal genes that can slow down cell division, repair DNA mistakes, or program the cells for apoptosis in case of irreparable damage. Hence, they play an essential role in preventing the proliferation of damaged cells.
The first-ever tumor suppressor gene called Rb was identified in retinoblastoma - a rare eye tumor in children. In inherited forms of the disease, a child inherits one defective copy of the Rb gene, which predisposes them to retinoblastoma. However,...
The Tumor Microenvironment02:17

The Tumor Microenvironment

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...
The Tumor Microenvironment02:17

The Tumor Microenvironment

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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Related Experiment Video

Updated: May 28, 2026

Reconstruct Human Retinoblastoma In Vitro
06:52

Reconstruct Human Retinoblastoma In Vitro

Published on: October 11, 2022

Retinoblastoma and Its Tumor Microenvironment.

Ashwinaa M Vaithianathan1, George Zanazzi2,3,4

  • 1Rhodes College, Memphis, TN 38112, USA.

Current Oncology (Toronto, Ont.)
|May 26, 2026
PubMed
Summary
This summary is machine-generated.

Retinoblastoma, a childhood eye cancer, involves complex tumor microenvironment interactions. Understanding the immune microenvironment offers new avenues for targeted therapies to improve outcomes and reduce side effects.

Keywords:
CAR T-cellimmune checkpoint inhibitorsimmunosuppressionimmunotherapytumor-associated macrophages

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Establishment and Propagation of Human Retinoblastoma Tumors in Immune Deficient Mice
07:55

Establishment and Propagation of Human Retinoblastoma Tumors in Immune Deficient Mice

Published on: August 4, 2011

Related Experiment Videos

Last Updated: May 28, 2026

Reconstruct Human Retinoblastoma In Vitro
06:52

Reconstruct Human Retinoblastoma In Vitro

Published on: October 11, 2022

Establishment and Propagation of Human Retinoblastoma Tumors in Immune Deficient Mice
07:55

Establishment and Propagation of Human Retinoblastoma Tumors in Immune Deficient Mice

Published on: August 4, 2011

Area of Science:

  • Pediatric Oncology
  • Immunology
  • Ophthalmology

Background:

  • Retinoblastoma is the most common childhood intraocular cancer, often linked to RB1 gene loss.
  • Current treatments yield high survival but cause significant morbidity, necessitating advanced therapeutic strategies.
  • Tumor progression is influenced by interactions within the tumor microenvironment, including immune and stromal cells.

Purpose of the Study:

  • To review the cellular and molecular characteristics of the retinoblastoma immune microenvironment.
  • To explore the roles of innate and adaptive immune cells and immune checkpoint proteins (PD-1, PD-L1, CTLA-4).
  • To discuss immune suppression, chemotherapy effects, and emerging immunotherapeutic strategies.

Main Methods:

  • Literature review focusing on retinoblastoma immunology and tumor microenvironment.
  • Analysis of immune cell distribution, function, and immune checkpoint expression.
  • Examination of therapeutic strategies, including immunotherapy and cell-based approaches.

Main Results:

  • The immune microenvironment significantly impacts retinoblastoma progression and treatment response.
  • Immune suppression, influenced by tumor and treatment, plays a critical role.
  • Chemotherapy affects immune cell infiltration and checkpoint molecule expression.

Conclusions:

  • Targeting the immune microenvironment holds promise for novel retinoblastoma treatments.
  • Combination therapies integrating immune modulation may enhance efficacy and reduce toxicity.
  • Further research into immune-based strategies is crucial for improving pediatric eye cancer care.