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Taurine regulation of Ca2+ uptake and (Ca(2+)+Mg2+)-ATPase in developing chick B-cells

D W Porter1, W G Martin

  • 1Division of Animal and Veterinary Sciences, College of Agriculture and Forestry, West Virginia University, Morgantown 26506.

Comparative Biochemistry and Physiology. Comparative Physiology
|October 1, 1993
PubMed

Insights

Taurine decreases calcium uptake in chick B cells, while increasing (Ca2+ + Mg2+)-ATPase activity. This suggests taurine plays a role in regulating calcium flux during chick development.

Area of Science:

  • Immunology
  • Biochemistry
  • Developmental Biology

Background:

  • B cells are crucial for adaptive immunity.
  • Calcium signaling is vital for immune cell function.
  • Age-related changes in immune cell function are common.

Purpose of the Study:

  • To investigate the impact of age and taurine on chick B cell calcium uptake.
  • To examine the effect of taurine on chick B cell membrane (Ca2+ + Mg2+)-ATPase activity.

Main Methods:

  • Chick B cells were isolated from 1-4-week-old chicks.
  • Calcium uptake rates were measured.
  • (Ca2+ + Mg2+)-ATPase activity was assessed.
  • Taurine was administered to evaluate its effects.

Main Results:

  • Calcium uptake rate decreased with age and was further reduced by taurine.
  • (Ca2+ + Mg2+)-ATPase activity increased with age and was stimulated by taurine.
  • Data indicate age-dependent changes in B cell calcium flux.

Conclusions:

  • Taurine influences calcium influx and efflux in chick B cells.
  • Taurine's effects on calcium transport may impact B cell function during development.
  • These findings contribute to understanding immune system development in poultry.

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