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Impaired Morphological and Functional Maturation of the Spleen during Puberty in Rats Exposed to Low Doses of Endocrine Disruptor DDT.

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Effect of Long-Term Reduction of Deuterium Content in the Body on Hemoglobin Production and Parameters of Erythropoiesis.

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Changes in Secretion of the Thyroid and Pituitary Glands with a Gradual Decrease in Deuterium Body Content.

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Reactive Alterations in Thymic Lymphocytopoiesis to Short-Term Decrease in Deuterium Content in the Body.

N V Yaglova1, S S Obernikhin2, E P Timokhina2

  • 1A. P. Avtsyn Research Institute of Human Morphology, B. V. Pet-rovsky Russian Research Centre of Surgery, Moscow, Russia. yaglova@mail.ru.

Bulletin of Experimental Biology and Medicine
|September 4, 2022
PubMed
Summary
This summary is machine-generated.

Reducing deuterium in drinking water rapidly boosts thymus cell production and increases cytotoxic T cells in rats. This suggests deuterium content significantly impacts immune cell development and T cell selection.

Keywords:
T cellsdeuteriumdeuterium-depleted waterlymphocytesthymus

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Area of Science:

  • Immunology
  • Cell Biology
  • Biochemistry

Background:

  • Thymic lymphocytopoiesis is crucial for T cell development.
  • The role of deuterium in regulating immune cell proliferation is not well understood.

Purpose of the Study:

  • To investigate the impact of short-term reduction in body deuterium content on thymic lymphocytopoiesis.
  • To determine how deuterium levels influence the generation of different T cell populations.

Main Methods:

  • Adult male Wistar rats were provided water with reduced deuterium content (10 ppm).
  • Thymus weight was measured after 24 hours.
  • Flow cytometry was used to analyze thymocyte populations.

Main Results:

  • A significant increase in the relative thymus weight was observed.
  • Flow cytometry showed a higher percentage of undifferentiated cells and mature T cells, particularly cytotoxic T cells.
  • Lymphocytopoiesis in the thymus demonstrated high sensitivity to decreased deuterium levels.

Conclusions:

  • Short-term reduction of deuterium in drinking water stimulates lymphoblast proliferation and slows T cell migration.
  • Deuterium plays a role in the selection of double-positive thymocytes.
  • These findings highlight the dynamic influence of deuterium on immune responses, warranting further investigation.