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Title: [Frequency of the CD4+CD25nt/hiCD127lo regulatory T lymphocytes from the peripheral blood in Chinese healthy individuals].
Author: Wang Y, Zhou LM, Gong JL, Zhou MK, Shen FW, Zheng XH, Zhang W, Zhuang MH, Lu W, Zhong P, Pan QC, Kang LY.
Journal: Xi Bao Yu Fen Zi Mian Yi Xue Za Zhi; 2007 Sep; 23(9):816-8. PubMed ID: 17825226.
Abstract:
AIM: To determine the frequency of the CD4(+)CD25(nt/hi)CD127(lo) regulatory T lymphocytes from the peripheral blood in the Chinese healthy individuals and provide some useful evidence for clinical research of correlative diseases. METHODS: From the CD4(+)CD25(nt/hi)CD127(lo) regulatory T lymphocytes of peripheral blood in 312 Chinese healthy male and female individuals aged from 8 to 60(five age groups were collected) The expression of transcription factor Foxp3 was detected by triplex immuno fluorescence and the frequency of CD4(+)CD25(nt/hi)CD127(lo) regulatory T lymphocytes was determined by flow cytometry. RESULTS: The frequency of CD4(+)CD25(nt/hi)CD127(lo) regulatory T lymphocytes in Chinese healthy individuals was (6.55+/-0.11)%, and the frequency differed among age groups(P=0.015) and sex groups(P<0.05). CD4(+)CD25(nt/hi)CD127(lo) regulatory T lymphocytes specifically express transcription factor Foxp3. CONCLUSION: The frequency of the CD4(+)CD25(nt/hi)CD127(lo) regulatory T lymphocytes from the peripheral blood in the Chinese healthy individuals has been preliminarily determined which lays the foundation for further clinical research of regulatory T lymphocytes. As a specific cell surface marker, CD25(nt/hi)CD127(lo) can helpful obtain pure CD4(+)CD25(+) regulatory T lymphocytes and suppress the interference of other cells during cell separation.

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