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Plasma Brain-Derived Neurotrophic Factor and Reverse Dipping Pattern of Nocturnal Blood Pressure in Patients with Cardiovascular Risk Factors

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Listed:
  • Manabu Kadoya
  • Hidenori Koyama
  • Akinori Kanzaki
  • Masafumi Kurajoh
  • Miki Hatayama
  • Jun Shiraishi
  • Hirokazu Okazaki
  • Takuhito Shoji
  • Yuji Moriwaki
  • Tetsuya Yamamoto
  • Masaaki Inaba
  • Mitsuyoshi Namba

Abstract

Context: Basic studies have shown that brain-derived neurotrophic factor (BDNF) has critical roles in the survival, growth, maintenance, and death of central and peripheral neurons, while it is also involved in regulation of the autonomic nervous system. Furthermore, recent clinical studies have suggested potential role of plasma BDNF in the circulatory system. Objective: We investigated the mutual relationships among plasma BDNF, patterns of nocturnal blood pressure changes (dippers, non-dippers, extra-dippers, and reverse-dippers), and cardiac autonomic function as determined by heart rate variability (HRV). Design: This was a cross-sectional study of patients registered in the Hyogo Sleep Cardio-Autonomic Atherosclerosis (HSCAA) Study from October 2010 to November 2012. Patients: Two-hundred fifty patients with 1 or more cardiovascular risk factor(s) (obesity, smoking, presence of cardiovascular event history, hypertension, dyslipidemia, diabetes mellitus, chronic kidney disease) were enrolled. Results: Plasma BDNF levels (natural logarithm transformed) were significantly (p = 0.001) lower in reverse-dipper patients (7.18±0.69 pg/ml, mean ± SD, n = 36) as compared to dippers (7.86±0.86 pg/ml, n = 100). Multiple logistic regression analysis showed that BDNF (odds ratios: 0.417, 95% confidence interval: 0.228–0.762, P = 0.004) was the sole factor significantly and independently associated with the reverse-dippers as compared with dippers. Furthermore, plasma BDNF level was significantly and positively correlated with the time-domain (SDNN, SDANN5, CVRR) and frequency-domain (LF) of HRV parameters. Finally, multiple logistic regression analyses showed that the relationship between plasma BDNF and the reverse-dippers was weakened, yet remained significant or borderline significant even after adjusting for HRV parameters. Conclusions: Low plasma BDNF was independently associated with patients showing a reverse-dipper pattern of nocturnal blood pressure, in which an imbalance of cardiac autonomic function may be partly involved.

Suggested Citation

  • Manabu Kadoya & Hidenori Koyama & Akinori Kanzaki & Masafumi Kurajoh & Miki Hatayama & Jun Shiraishi & Hirokazu Okazaki & Takuhito Shoji & Yuji Moriwaki & Tetsuya Yamamoto & Masaaki Inaba & Mitsuyoshi, 2014. "Plasma Brain-Derived Neurotrophic Factor and Reverse Dipping Pattern of Nocturnal Blood Pressure in Patients with Cardiovascular Risk Factors," PLOS ONE, Public Library of Science, vol. 9(8), pages 1-8, August.
    • Handle: RePEc:plo:pone00:0105977
    DOI: 10.1371/journal.pone.0105977
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    1. Erin Golden & Ana Emiliano & Stuart Maudsley & B Gwen Windham & Olga D Carlson & Josephine M Egan & Ira Driscoll & Luigi Ferrucci & Bronwen Martin & Mark P Mattson, 2010. "Circulating Brain-Derived Neurotrophic Factor and Indices of Metabolic and Cardiovascular Health: Data from the Baltimore Longitudinal Study of Aging," PLOS ONE, Public Library of Science, vol. 5(4), pages 1-9, April.
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