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T follicular helper (TFH) cells are involved in the humoral immune responses. This study is aimed at examining the frequencies of different subsets of CD4<jats:sup>+<\/jats:sup>CXCR5<jats:sup>+<\/jats:sup>TFH cells in adult patients with minimal change disease (MCD).<jats:italic>Methods<\/jats:italic>. A total of 27 patients and 14 healthy controls (HC) were characterized for the levels of sera cytokines, inducible T-cell costimulator (ICOS), and programmed death 1 (PD-1) of positive TFH cells by flow cytometry. The level of sera IL-21 was examined; 24\u2009h urinary protein and eGFR were calculated. The potential correlation between the frequency of different subsets of TFH cells and the values of clinical measures in MCD patients were analyzed.<jats:italic>Results<\/jats:italic>. The frequency of circulating CD4<jats:sup>+<\/jats:sup>CXCR5<jats:sup>+<\/jats:sup>, CD4<jats:sup>+<\/jats:sup>CXCR5<jats:sup>+<\/jats:sup>ICOS<jats:sup>+<\/jats:sup>, and CD4<jats:sup>+<\/jats:sup>CXCR5<jats:sup>+<\/jats:sup>PD-1<jats:sup>+<\/jats:sup>TFH cells and the levels of sera IL-17A, IFN-<jats:italic>\u03b3<\/jats:italic>, IL-2, IL-10, IL-4, and IL-21 were significantly higher in MCD patients (<mml:math xmlns:mml=\"http:\/\/www.w3.org\/1998\/Math\/MathML\" id=\"M1\"><mml:mi>P<\/mml:mi><mml:mo>&lt;<\/mml:mo><mml:mn>0.05<\/mml:mn><\/mml:math>) than that in the HC group. Furthermore, the percentages of circulating CD4<jats:sup>+<\/jats:sup>CXCR5<jats:sup>+<\/jats:sup>TFH cells were negatively correlated with the values of eGFR (<mml:math xmlns:mml=\"http:\/\/www.w3.org\/1998\/Math\/MathML\" id=\"M2\"><mml:mi>r<\/mml:mi><mml:mo>=<\/mml:mo><mml:mo>-<\/mml:mo><mml:mn>0.4849<\/mml:mn><\/mml:math>,<mml:math xmlns:mml=\"http:\/\/www.w3.org\/1998\/Math\/MathML\" id=\"M3\"><mml:mi>P<\/mml:mi><mml:mo>&lt;<\/mml:mo><mml:mn>0.05<\/mml:mn><\/mml:math>) and the percentages of CD4<jats:sup>+<\/jats:sup>CXCR5<jats:sup>+<\/jats:sup>PD-1<jats:sup>+<\/jats:sup>TFH cells were correlated positively with the levels of serum IL-21 (<mml:math xmlns:mml=\"http:\/\/www.w3.org\/1998\/Math\/MathML\" id=\"M4\"><mml:mi>r<\/mml:mi><mml:mo>=<\/mml:mo><mml:mn>0.6137<\/mml:mn><\/mml:math>,<mml:math xmlns:mml=\"http:\/\/www.w3.org\/1998\/Math\/MathML\" id=\"M5\"><mml:mi>P<\/mml:mi><mml:mo>&lt;<\/mml:mo><mml:mn>0.05<\/mml:mn><\/mml:math>) and 24\u2009h urinary protein (<mml:math xmlns:mml=\"http:\/\/www.w3.org\/1998\/Math\/MathML\" id=\"M6\"><mml:mi>r<\/mml:mi><mml:mo>=<\/mml:mo><mml:mn>0.1410<\/mml:mn><\/mml:math>,<mml:math xmlns:mml=\"http:\/\/www.w3.org\/1998\/Math\/MathML\" id=\"M7\"><mml:mi>P<\/mml:mi><mml:mo>&lt;<\/mml:mo><mml:mn>0.05<\/mml:mn><\/mml:math>) in those patients. Also, the percentages of CD4<jats:sup>+<\/jats:sup>CXCR5<jats:sup>+<\/jats:sup>ICOS<jats:sup>+<\/jats:sup>TFH cells were correlated positively with the levels of serum IL-21 (<mml:math xmlns:mml=\"http:\/\/www.w3.org\/1998\/Math\/MathML\" id=\"M8\"><mml:mi>r<\/mml:mi><mml:mo>=<\/mml:mo><mml:mn>0.6201<\/mml:mn><\/mml:math>,<mml:math xmlns:mml=\"http:\/\/www.w3.org\/1998\/Math\/MathML\" id=\"M9\"><mml:mi>P<\/mml:mi><mml:mo>&lt;<\/mml:mo><mml:mn>0.05<\/mml:mn><\/mml:math>) and 24\u2009h urinary protein (<mml:math xmlns:mml=\"http:\/\/www.w3.org\/1998\/Math\/MathML\" id=\"M10\"><mml:mi>r<\/mml:mi><mml:mo>=<\/mml:mo><mml:mn>0.7519<\/mml:mn><\/mml:math>,<mml:math xmlns:mml=\"http:\/\/www.w3.org\/1998\/Math\/MathML\" id=\"M11\"><mml:mi>P<\/mml:mi><mml:mo>&lt;<\/mml:mo><mml:mn>0.05<\/mml:mn><\/mml:math>). Following standard therapies, the percentages of circulating CD4<jats:sup>+<\/jats:sup>CXCR5<jats:sup>+<\/jats:sup>, CD4<jats:sup>+<\/jats:sup>CXCR5<jats:sup>+<\/jats:sup>PD-1<jats:sup>+<\/jats:sup>, and CD4<jats:sup>+<\/jats:sup>CXCR5<jats:sup>+<\/jats:sup>ICOS<jats:sup>+<\/jats:sup>TFH cells and the levels of serum IL-21 were significantly reduced, but the levels of serum IL-4 and IL-10 were increased (<mml:math xmlns:mml=\"http:\/\/www.w3.org\/1998\/Math\/MathML\" id=\"M12\"><mml:mi>P<\/mml:mi><mml:mo>&lt;<\/mml:mo><mml:mn>0.05<\/mml:mn><\/mml:math>).<jats:italic>Conclusions<\/jats:italic>. A higher frequency of CD4<jats:sup>+<\/jats:sup>CXCR5<jats:sup>+<\/jats:sup>TFH cells that existed in adult patients with MCD could be new target for intervention of MCD.<\/jats:p>","DOI":"10.1155\/2014\/836157","type":"journal-article","created":{"date-parts":[[2014,8,27]],"date-time":"2014-08-27T21:04:20Z","timestamp":1409173460000},"page":"1-13","source":"Crossref","is-referenced-by-count":7,"title":["A Higher Frequency of CD4<sup>+<\/sup>CXCR5<sup>+<\/sup>T Follicular Helper Cells in Adult Patients with Minimal Change Disease"],"prefix":"10.1155","volume":"2014","author":[{"given":"Nan","family":"Zhang","sequence":"first","affiliation":[{"name":"Key Laboratory of Zoonosis Research, Ministry of Education, The First Hospital of Jilin University, Changchun 130021, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Pingwei","family":"Zhao","sequence":"additional","affiliation":[{"name":"Key Laboratory of Zoonosis Research, Ministry of Education, The First Hospital 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