mGem: A quarter century with the Pirofski-Casadevall damage response framework-a dynamic construct for understanding

Joshua D Nosanchuk1,2

  • 1Department of Medicine (Division of Infectious Diseases), Albert Einstein College of Medicine, New York, USA.

Mbio
|February 11, 2025
PubMed

Insights

The damage-response framework (DRF) offers a dynamic view of host-pathogen interactions in infectious diseases. This influential model aids research, therapeutic development, and education in microbial pathogenesis.

Area of Science:

  • Microbiology
  • Immunology
  • Infectious Diseases

Background:

  • The damage-response framework (DRF) was introduced 25 years ago by Pirofski and Casadevall.
  • It conceptualizes disease as a result of host-pathogen interactions, with damage as the key outcome.

Observation:

  • The DRF has become a vital tool for understanding complex infections.
  • It is instrumental in analyzing emerging and reemerging microbial threats.
  • The framework facilitates the development of novel therapeutic strategies.

Findings:

  • The DRF provides a robust lens for studying microbial pathogenesis.
  • Its application extends to scientific communication and pedagogical purposes.
  • The framework's utility is demonstrated in its widespread adoption and continued relevance.

Implications:

  • The DRF is crucial for advancing research in infectious diseases.
  • It supports innovation in developing new treatments against microbial threats.
  • Continued use of the DRF is essential for addressing global health challenges posed by new and reemerging infections.

Related Concept Videos

Bacterial Signaling01:30

Bacterial Signaling

Bacterial signaling can occur within bacteria (intracellular) or between bacteria (intercellular). At times, a group of bacteria behaves like a community. To achieve this, they engage in quorum sensing, the perception of higher cell density that causes changes in gene expression. Quorum sensing involves both extracellular and intracellular signaling. The signaling cascade starts with a molecule called an autoinducer (AI). Individual bacteria produce AIs that move out of the bacterial cell...
31.4K
CRISPR and crRNAs02:53

CRISPR and crRNAs

Bacteria and archaea are susceptible to viral infections just like eukaryotes; therefore, they have developed a unique adaptive immune system to protect themselves. Clustered regularly interspaced short palindromic repeats and CRISPR-associated proteins (CRISPR-Cas) are present in more than 45% of known bacteria and 90% of known archaea.
The CRISPR-Cas system stores a copy of foreign DNA in the host genome and uses it to identify the foreign DNA upon reinfection. CRISPR-Cas has three different...
16.6K
Mismatch Repair01:20

Mismatch Repair

Organisms are capable of detecting and fixing nucleotide mismatches that occur during DNA replication. This sophisticated process requires identifying the new strand and replacing the erroneous bases with correct nucleotides. Mismatch repair is coordinated by many proteins in both prokaryotes and eukaryotes.
The Mutator Protein Family Plays a Key Role in DNA Mismatch Repair
The human genome has more than 3 billion base pairs of DNA per cell. Prior to cell division, that vast amount of genetic...
4.7K
Defense Against Bacterial Pathogens01:31

Defense Against Bacterial Pathogens

The human immune system is a complex network of cells, tissues, and organs that work together to defend the body against bacterial infections. It consists of various immune cells, each playing a specific role in the defense mechanism.
Phagocytes
Phagocytes are the frontline soldiers of the immune system. They include neutrophils and macrophages. Neutrophils are the most abundant type of white blood cell and are quickly mobilized to the site of infection. Macrophages are larger cells that patrol...
1.4K