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Down-regulation of tumor suppressor PDCD4 expression in endometrium of adenomyosis patients

Y Liu1, X Tan2, Z Wang3

  • 1Department of gynecology and obstetrics, Shandong university school of medicine, 44#, Wenhua Xi Road, 250012 Jinan, Shandong, P.R. China.

Current Research in Translational Medicine
|October 22, 2016
PubMed
Abstract

Insights

Programmed cell death 4 (PDCD4) expression is reduced in adenomyosis endometrium, suggesting its role in disease development. This finding offers potential for early diagnosis and new treatments for adenomyosis.

Area of Science:

  • Gynecology
  • Oncology
  • Molecular Biology

Background:

  • Adenomyosis is a common gynecological condition with potential malignant behaviors.
  • Programmed cell death 4 (PDCD4) is a tumor suppressor gene with low expression in various cancers.
  • PDCD4 expression in adenomyosis endometrium remains uninvestigated.

Purpose of the Study:

  • To assess and compare PDCD4 expression levels in the endometrium of normal controls and adenomyosis patients.
  • To investigate the potential role of PDCD4 in the pathogenesis of adenomyosis.

Main Methods:

  • Quantitative real-time PCR, western blot, and immunohistochemistry were used to evaluate PDCD4 expression.
  • Serum estradiol and progesterone levels were measured using electrochemiluminescence immunoassay.
  • PDCD4 expression was analyzed in normal, eutopic, and ectopic endometrium.

Main Results:

  • PDCD4 was found in the cytoplasm of glandular epithelium and varied cyclically in normal endometrium, potentially regulated by progesterone.
  • PDCD4 expression was significantly down-regulated in the proliferative phase of eutopic and ectopic adenomyosis endometrium compared to controls.
  • Adenomyosis endometrium showed no cyclic variation in PDCD4 expression, indicating progesterone resistance.

Conclusions:

  • PDCD4 may play a role in the pathogenesis of adenomyosis.
  • Reduced PDCD4 expression presents a potential biomarker for early adenomyosis diagnosis.
  • Targeting PDCD4 could offer a novel therapeutic strategy for adenomyosis.
Keywords:
AdenomyosisEstradiolExpressionPDCD4Progesterone

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