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High DHCR7 Expression Predicts Poor Prognosis for Cervical Cancer.

Jing Zou1, Sha Liu1, Jian Long1

  • 1Department of Oncology, Jingzhou Hospital, Yangtze University, Hubei 434020, China.

Computational and Mathematical Methods in Medicine
|September 27, 2022
PubMed
Summary
This summary is machine-generated.

Increased 7-dehydrocholesterol reductase (DHCR7) expression in cervical cancer correlates with advanced disease and poorer survival. DHCR7 is an independent prognostic factor, linked to key signaling pathways and T-cell infiltration.

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Area of Science:

  • Oncology
  • Biochemistry
  • Molecular Biology

Background:

  • 7-dehydrocholesterol reductase (DHCR7) is a key enzyme in cholesterol synthesis.
  • The role of DHCR7 in cervical cancer progression and prognosis remains uncharacterized.

Purpose of the Study:

  • To investigate the expression pattern of DHCR7 in cervical cancer.
  • To evaluate the association between DHCR7 expression and clinicopathological features.
  • To determine the prognostic value of DHCR7 in cervical cancer patients.

Main Methods:

  • Utilized The Cancer Genome Atlas (TCGA) database for patient data.
  • Employed statistical tests including Wilcoxon rank sum, Kruskal-Wallis, and logistic regression.
  • Performed Kaplan-Meier and Cox regression analyses for survival evaluation.
  • Conducted Gene Set Enrichment Analysis (GSEA) to identify enriched pathways.

Main Results:

  • DHCR7 expression was significantly elevated in cervical cancer tissues.
  • Higher DHCR7 levels correlated with advanced T stage, lymph node metastasis, and clinical stage.
  • Elevated DHCR7 was associated with significantly poorer overall survival, progression-free interval, and disease-specific survival.
  • DHCR7 was identified as an independent prognostic factor for cervical cancer.
  • Enriched pathways in high DHCR7 phenotype included WNT signaling, mTORC1, KRAS, cholesterol biosynthesis, and immune cell signaling.
  • DHCR7 expression showed a moderate correlation with CD8+ T-cell infiltration.

Conclusions:

  • Increased DHCR7 expression is a significant indicator of poor prognosis in cervical cancer.
  • DHCR7 may play a crucial role in cervical cancer development and progression.
  • Targeting DHCR7 or related pathways could offer potential therapeutic strategies for cervical cancer.