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Objective <p>The current study assessed the level of serum HE4 in patients with IIM to evaluate its feasibility in diagnosing IIM-ILD, as well as determined the association between HE4 and demographic, clinical, and laboratory characteristics of IIM patients.</p> Methods <p>Sera and clinical data were collected from 139 patients with IIMs and 135 healthy controls. We compared the clinical parameters between the&#xa0;high and low HE4 groups, and the relationship between HE4 levels and clinical parameters was determined. Moreover, the expression of HE4 in the lung tissue was accessed.</p> Results <p>HE4 level was significantly higher in the serum of IIM patients than in the controls (median 69.3 versus 33.5&#xa0;μg/L, <i>P</i> &lt; 0.001). Patients in the high HE4 group had higher ferritin (median 559 versus 83.7&#xa0;μg/L, <i>P</i> = 0.006), frequencies of ILD(94.4% versus 56.1%, <i>P</i> &lt; 0.001) and anti-Jo-1 autoantibodies (25.5% versus 5.7%, <i>P</i> = 0.018) compared with the low HE4 group. The immunohistochemical staining of HE4 in lung tissues was positive in IIM-ILD and negative in controls.</p> Conclusion <p>Our findings suggested that serum HE4 might be a clinically useful biomarker for IIM-ILD.<Table Float="No" ID="Taba"> <tgroup cols="2"> <colspec align="left" colname="c1" colnum="1" /> <colspec align="left" colname="c2" colnum="2" /> <tbody> <row> <entry nameend="c2" namest="c1"> <p><b>Key Points</b></p> <p>• <i>Patients with IIMs, particularly those with IIM-ILD, had high serum levels of HE4.</i></p> <p>• <i>Patients with high HE4 levels demonstrated a high prevalence of anti-Jo-1 autoantibodies.</i></p> <p>• <i>Patients with IIM-ILD showed significant expression of HE4 within the lung tissue.</i></p> </entry> </row> </tbody> </tgroup> </Table></p>

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Human epididymis secretory protein 4 in idiopathic inflammatory myopathy-associated interstitial lung disease

  • 期刊论文

  • 发表日期：

    2025年3月17日

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  • Liubing Li,
  • Runzhao Li,
  • Hongji Zhu,
  • Huiya Xu,
  • Hongxia Tan,
  • Hongxu Xu,
  • Min Liu,
  • Fen Wang,
  • Laisheng Li,
  • Qiong Shi,
  • Jianbo Liang

摘要

Objective

The current study assessed the level of serum HE4 in patients with IIM to evaluate its feasibility in diagnosing IIM-ILD, as well as determined the association between HE4 and demographic, clinical, and laboratory characteristics of IIM patients.

Methods

Sera and clinical data were collected from 139 patients with IIMs and 135 healthy controls. We compared the clinical parameters between the high and low HE4 groups, and the relationship between HE4 levels and clinical parameters was determined. Moreover, the expression of HE4 in the lung tissue was accessed.

Results

HE4 level was significantly higher in the serum of IIM patients than in the controls (median 69.3 versus 33.5 μg/L, P < 0.001). Patients in the high HE4 group had higher ferritin (median 559 versus 83.7 μg/L, P = 0.006), frequencies of ILD(94.4% versus 56.1%, P < 0.001) and anti-Jo-1 autoantibodies (25.5% versus 5.7%, P = 0.018) compared with the low HE4 group. The immunohistochemical staining of HE4 in lung tissues was positive in IIM-ILD and negative in controls.

Conclusion

Our findings suggested that serum HE4 might be a clinically useful biomarker for IIM-ILD.

Key Points

• Patients with IIMs, particularly those with IIM-ILD, had high serum levels of HE4.

• Patients with high HE4 levels demonstrated a high prevalence of anti-Jo-1 autoantibodies.

• Patients with IIM-ILD showed significant expression of HE4 within the lung tissue.