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Is signal peptide-CUB-EGF domain-containing protein1 a diagnostic biomarker in patients with hypertensive crises

Mustafa Karabacak1, Mehmet Yiğit2, Kenan Ahmet Turkdogan2

  • 1Department of Cardiology, Isparta State Hospital, Isparta, Turkey.

Clinical Hemorheology and Microcirculation
|December 25, 2014
PubMed

Insights

Signal peptide-CUB-EGF domain-containing protein1 (SCUBE1) is elevated in hypertensive emergencies, indicating increased platelet activation. SCUBE1 may serve as a diagnostic biomarker for hypertensive crisis patients, showing high sensitivity and specificity.

Area of Science:

  • Cardiovascular Research
  • Biomarker Discovery
  • Hypertension Pathophysiology

Background:

  • Platelet activation is implicated in cardiovascular and cerebrovascular events associated with hypertension (HT).
  • Signal peptide-CUB-EGF domain-containing protein1 (SCUBE1), a marker of platelet activation, is elevated in hypertensive patients.
  • Investigating SCUBE1 levels in hypertensive crises is crucial for understanding disease mechanisms.

Purpose of the Study:

  • To evaluate Signal peptide-CUB-EGF domain-containing protein1 (SCUBE1) levels in patients experiencing hypertensive crises.
  • To determine the association between SCUBE1 and platelet activation markers in hypertensive crisis.
  • To assess the diagnostic potential of SCUBE1 in identifying target organ damage in hypertensive crisis.

Main Methods:

  • Inclusion of 33 hypertensive urgency (HU) and 39 hypertensive emergency (HE) patients.
  • Assessment of platelet activation using biochemical markers: SCUBE1, soluble CD40L (sCD40L), mean platelet volume, and platelet count.
  • Comparative analysis of SCUBE1 and sCD40L levels between hypertensive crisis groups and a control group.

Main Results:

  • SCUBE1 levels were significantly higher in hypertensive emergency patients compared to other groups (p < 0.01).
  • Soluble CD40L (sCD40L) levels were elevated in hypertensive crises versus controls (p < 0.01).
  • SCUBE1 demonstrated high sensitivity and specificity for detecting target organ damage.

Conclusions:

  • Signal peptide-CUB-EGF domain-containing protein1 (SCUBE1) is significantly elevated in hypertensive emergency patients.
  • SCUBE1, sCD40L levels, diabetes, and systolic blood pressure are independently associated with increased SCUBE1.
  • SCUBE1 shows potential as a diagnostic biomarker for hypertensive crisis.
Abstract

Keywords:
Hypertensive crisesmean platelet volumesignal peptide-CUB-EGF domain-containing protein1soluble CD40 ligandtarget organ damage

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