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Red blood cells  (RBCs) transport oxygen to all body tissues. These cells survive only for 120 days and then need to be replenished. Erythropoiesis is the process of RBC production. In healthy individuals, erythropoiesis ensures all tissues are amply supplied with oxygen. In addition, blood loss due to injury leads to a drop in the physiological oxygen level that will cause erythropoiesis. Any defect in erythropoiesis leads to several physiological disorders, including thalassemia, anemia,...
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Routine Screening Method for Microparticles in Platelet Transfusions
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Reticulocyte hemoglobin content.

Chie Ogawa1, Ken Tsuchiya2, Kunimi Maeda1

  • 1Maeda Institute of Renal Research, 6F-1-403 Kosugi-cho, Nakahara-ku, Kawasaki, Kanagawa 211-0063, Japan; Biomarker Society, INC, 6F-1-403 Kosugi-cho, Nakahara-ku, Kawasaki, Kanagawa, Japan.

Clinica Chimica Acta; International Journal of Clinical Chemistry
|February 5, 2020
PubMed
Summary

Reticulocyte hemoglobin content (CHr) offers a more accurate measure of real-time iron status than traditional indices. This simple test aids in diagnosing iron deficiency and monitoring iron therapy effectiveness.

Keywords:
Anemia of chronic diseaseChronic kidney diseaseIron deficiencyReticulocyte hemoglobin contentThalassemia trait

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Area of Science:

  • Hematology
  • Iron Metabolism
  • Clinical Diagnostics

Background:

  • Iron deficiency and overload disrupt hemoglobin synthesis and cellular function.
  • Hepcidin regulates iron metabolism, but conventional iron indices can be unreliable.
  • Mature erythrocyte hemoglobin concentration doesn't reflect real-time iron status due to cell lifespan.

Purpose of the Study:

  • To highlight the utility of reticulocyte hemoglobin content (CHr) as a superior biomarker for iron status.
  • To demonstrate CHr's effectiveness in diagnosing iron deficiency and guiding therapy.
  • To establish CHr's role in differentiating conditions like beta-thalassemia trait.

Main Methods:

  • Measurement of hemoglobin content in reticulocytes (Hb-ret) using automated hematology analyzers (e.g., H*3, ADVIA).
  • Comparison of CHr with conventional iron metabolism indices.
  • Evaluation of CHr for diagnosing iron deficiency and assessing iron therapy response.

Main Results:

  • CHr provides a more accurate reflection of real-time hemoglobin synthesis compared to mature erythrocyte indices.
  • CHr is sensitive to iron intake, making it a reliable indicator in the absence of hematopoietic disorders.
  • CHr demonstrates superior efficacy in diagnosing iron deficiency, monitoring therapeutic effects, and differentiating beta-thalassemia trait.

Conclusions:

  • Reticulocyte hemoglobin content (CHr) is a valuable, cost-effective biomarker for assessing iron status.
  • CHr measurement offers advantages over traditional indices for clinical decision-making in iron-related disorders.
  • CHr facilitates early diagnosis and effective management of iron deficiency and related conditions.