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Human Carotid Body HIF and NGB Expression During Human Development and Aging

  • Camillo Di GiulioEmail author
  • S. Zara
  • A. Cataldi
  • Andrea Porzionato
  • Mieczyslaw Pokorski
  • Raffaele De Caro
Conference paper
Part of the Advances in Experimental Medicine and Biology book series (AEMB, volume 758)

Abstract

Hypoxia inducible factor 1(HIF-1α) is the regulator of oxygen homeostasis in tissue correlated with neuroglobin (NGB) a member of the family of globins in vertebrates. The present study investigates, the expression and the location of NGB, HIF-1α in human carotid bodies, sampled at autopsy from children (mean age: 2 year ±), young (mean age: 27.5) and 4 old subjects (mean age: 73.5). The percentage of NGB positive area was higher in the old subjects (4.4 ±2.8%), as compared with the young ones (2.4 ±1.8%) and children (1.0 ±1.8%). Positive HIF-1α nuclei were detected in young and old subjects (1.0 ±0.14% vs 3.0 ±0.28%, respectively), whereas CB tissues from children did not show any HIF-1α reaction. The increase of NGB and HIF-1α expression suggests a possible role of the two oxygen sensors in the aging processes. Even though the physiological role of NGB is not well understood, it could be suggested that is act as a respiratory protein connected with HIF.

Keywords

Aging and development Human carotid body HIF Neuroglobin 

Notes

Acknowledgment

This paper is dedicated to the memory of Prof. Sukhamay Lahiri, for his example in science and in life.

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Copyright information

© Springer Science+Business Media Dordrecht 2012

Authors and Affiliations

  • Camillo Di Giulio
    • 1
    Email author
  • S. Zara
    • 2
  • A. Cataldi
    • 3
  • Andrea Porzionato
    • 4
  • Mieczyslaw Pokorski
    • 5
  • Raffaele De Caro
    • 4
  1. 1.Department of Neurosciences and ImagingUniversity of ChietiChietiItaly
  2. 2.Department of Drug SciencesUniversity of ChietiChietiItaly
  3. 3.Department of Medicine and Aging SciencesUniversity of ChietiChietiItaly
  4. 4.Department of Human Anatomy and PhysiologyUniversity of PadovaWarsawPoland
  5. 5.Medical Research CenterPolish Academy of SciencesWarsawPoland

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