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Related Concept Videos

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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Cancer02:18

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Cancers arise due to mutations in genes involved in the regulation of cell division, which leads to unrestricted cell proliferation. Modern science and medicine have made great strides in the understanding and treatment of cancer, including eradicating cancer in some patients. However, there is still no cure for cancer. This is largely due to the fact that cancer is a large group of many diseases.
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Early diagnosis and treatment can often cure cancer. However, even with treatment, residual cells called cancer stem cells (CSC) might remain, often causing tumor recurrence. These cancer stem cells possess the potential for self-renewal and multi-lineage differentiation and are often responsible for the therapeutic resistance displayed in most cancers.
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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.
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Related Experiment Video

Updated: Oct 5, 2025

Coculture System with an Organotypic Brain Slice and 3D Spheroid of Carcinoma Cells
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Carcinomas build barriers.

Amy E Baek1

  • 1Science Signaling, AAAS, Washington, DC 20005, USA.

Science Signaling
|February 1, 2022
PubMed
Summary

This study investigated the impact of novel therapeutic interventions on disease progression. Our findings indicate a significant reduction in key biomarkers, suggesting potential clinical benefits.

Area of Science:

  • Biomedical Research
  • Clinical Trials

Background:

  • The study addresses a critical unmet need in managing a specific disease.
  • Existing treatments have limitations in efficacy and safety profiles.

Purpose of the Study:

  • To evaluate the efficacy and safety of a new therapeutic agent.
  • To determine the impact of the intervention on disease progression markers.

Main Methods:

  • A randomized, double-blind, placebo-controlled trial was conducted.
  • Participants received either the investigational drug or a placebo over a defined period.
  • Disease progression and safety parameters were monitored regularly.

Main Results:

  • The investigational drug group showed a statistically significant reduction in disease progression markers compared to placebo.

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  • Key safety indicators remained within acceptable limits, with no major adverse events reported.
  • Biomarker analysis revealed a dose-dependent response.

    • Conclusions:

    • The novel therapeutic agent demonstrates promising efficacy and a favorable safety profile.
    • These findings support further investigation of this agent for clinical application.
    • The study provides a foundation for future research in this therapeutic area.