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Related Concept Videos

Inflammatory Response01:28

Inflammatory Response

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An inflammatory response is a localized, nonspecific immune reaction that occurs when a tissue is injured. It is characterized by redness, swelling, heat, and pain, which are commonly called the cardinal signs and symptoms of inflammation. Inflammation can sometimes result in a loss of function.
Inflammation can be triggered by various stimuli, such as impact, abrasion, chemical irritation, infections, and extreme hot or cold temperatures. These can damage cells and connective tissue fibers,...
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Inflammatory Response I: Vascular and Cellular01:30

Inflammatory Response I: Vascular and Cellular

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The inflammatory response is the body's defense against infection, injury, or irritation from bacteria, trauma, toxins, or heat. Inflammation helps locate and destroy pathogens and remove damaged tissue elements to heal the body. During this initial phase, fluid, blood products, and nutrients migrate to the injured area, resulting in redness, heat, swelling, ache, and loss of function. Moreover, signs of systemic inflammation include fever, increased WBC count, malaise, anorexia, nausea,...
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Inflammation01:38

Inflammation

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Overview
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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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Inflammatory Response II: Inflammatory Exudate and Tissue Repair01:24

Inflammatory Response II: Inflammatory Exudate and Tissue Repair

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The immune system's inflammatory response destroys the invading pathogen, permitting the tissue to heal. The changes during the cellular and vascular stages allow exudate formation at the site of inflammation. The inflammatory exudate released from the wound has high protein content and a specific gravity above 1.020.
The typical wound exudate is odorless, transparent, straw-colored, thin, and watery. Exudate, however, can differ depending on the state of wound healing. Likewise, the...
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Cells of the Innate Immune Response01:28

Cells of the Innate Immune Response

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The innate immune response is an immediate and non-specific response against pathogens, acting swiftly to prevent the spread of infections. The primary cells involved in this response are phagocytes and natural killer (NK) cells.
Phagocytes
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A Blueprint for Cancer-Related Inflammation and Host Innate Immunity.

Lucia García-López1, Isabel Adrados1, Dolors Ferres-Marco1

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Fruit fly models (Drosophila melanogaster) reveal cancer gene networks and immune responses. These studies aid in cost-effective drug discovery and developing targeted human cancer therapies.

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Area of Science:

  • * Developmental Biology
  • * Immunology
  • * Genetics

Background:

  • * Cancer research often faces challenges in studying early tumor development and host interactions.
  • * The fruit fly, *Drosophila melanogaster*, provides a powerful model system for investigating complex biological processes.
  • * Understanding innate immune responses to cancer is crucial for developing effective treatments.

Purpose of the Study:

  • * To review recent discoveries in *Drosophila melanogaster* regarding cancer gene networks and host interactions.
  • * To highlight the utility of *Drosophila* models for drug discovery and repurposing.
  • * To explore innate immune responses to incipient tumors and cancer-related inflammation.

Main Methods:

  • * Review of *in situ* and allograft cancer models in *Drosophila melanogaster*.
  • * Analysis of studies focusing on cancer-initiating events and tumor evolution.
  • * Examination of innate antitumor immunity and inflammation in fruit fly models.

Main Results:

  • * *Drosophila* models effectively unravel cancer gene networks and cancer-host interactions.
  • * *In situ* tumor modeling addresses cancer initiation, immune responses, and inflammation.
  • * Fruit fly studies offer cost-effective drug discovery and repurposing opportunities.

Conclusions:

  • * *Drosophila melanogaster* serves as a valuable blueprint for cancer research in more complex organisms.
  • * Studies in fruit flies can inform mechanism-based therapies for individualized cancer treatment.
  • * Understanding *Drosophila*'s innate immunity to cancer is key to addressing detrimental systemic effects.