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Expired CO2 Measurement in Intubated or Spontaneously Breathing Patients from the Emergency Department
07:52

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Published on: January 29, 2011

The social network of carbon monoxide in medicine

Barbara Wegiel1, Douglas W Hanto, Leo E Otterbein

  • 1Transplant Institute, Department of Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA 02215, USA.

Trends in Molecular Medicine
|November 13, 2012
PubMed

Insights

The enzyme heme oxygenase-1 (HO-1) and its product carbon monoxide (CO) are vital for innate immunity. They regulate immune responses to sepsis and injury, ensuring organism survival.

Area of Science:

  • Cellular biology
  • Immunology
  • Biochemistry

Background:

  • Cellular communication relies on signaling molecules.
  • Heme oxygenase-1 (HO-1) catalyzes heme into carbon monoxide (CO), biliverdin, and iron, each with distinct signaling roles.
  • HO-1 and CO significantly impact innate immune responses.

Purpose of the Study:

  • To review recent advancements in understanding HO-1 and CO's role in innate immunity.
  • To explore their influence on immune responses to bacterial sepsis and ischemia/reperfusion injury.

Main Methods:

  • Literature review of state-of-the-art developments.
  • Analysis of molecular targets and signaling pathways of HO-1 and CO.
  • Examination of HO-1's role in regulating immunological responses.

Main Results:

  • HO-1 and CO modulate complex immunological responses.
  • These molecules are crucial for regulating responses to bacterial sepsis.
  • HO-1 and CO play a key role in managing ischemia/reperfusion injury.

Conclusions:

  • HO-1 is an evolutionarily conserved system essential for cellular adaptation and organism survival.
  • HO-1 and CO are critical regulators of the innate immune response.
  • Understanding HO-1 and CO signaling offers insights into treating sepsis and injury.

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