Semaphorin in the heart

Masaki Ieda, Keiichi Fukuda

Research output: Chapter in Book/Report/Conference proceedingChapter

Abstract

Semaphorin was cloned as a potent neural chemorepellent and is known as a directional guidance molecule for nerve fibers. However, recent studies demonstrated that semaphorin family members have important roles in cardiovascular development and diseases. The cardiovascular system consists of many types of cells, including neural cells, and is extensively innervated and tightly regulated by the autonomic nervous system. To maintain cardiac function properly, innervation density is strictly determined by the balance between neural chemoattractant and chemorepellent. Nerve growth factor, a potent chemoattractant, is abundantly synthesized from cardiomyocytes, but the chemorepellent for cardiac nerves was not determined until recently. We found that Sema3a is strongly expressed in the trabecular layer in early-stage embryos, but is reduced after birth, forming an epicardial-to-endocardial transmural sympathetic innervation patterning. Both Sema3a-deficient and -overexpressed mice showed sudden cardiac death and lethal arrhythmias from disruption of proper innervation patterning. More recently, Nakano et al. reported that a nonsynonymous polymorphism in Sema3a DNA is a risk factor for human cardiac arrest with ventricular fibrillation. Sympathetic innervation patterning was disrupted in these patients, suggesting proper expression of Sema3a and innervation patterning are critical to maintain arrhythmia-free hearts. Sema3c is expressed in the cardiac outflow tract during development and is important in cardiovascular patterning. Gata6 regulates Sema3c expression, and disruption of the Gata6/Sema3c pathway leads to congenital heart disease in mouse and human. This review focuses on the recent progress of our understanding of heart development and disease, regulated by semaphorin family members, in mouse and human.

Original languageEnglish
Title of host publicationSemaphorins: A Diversity of Emerging Physiological and Pathological Activities
PublisherSpringer Japan
Pages175-188
Number of pages14
ISBN (Print)9784431543855, 9784431543848
DOIs
Publication statusPublished - 2015 Jan 1

Fingerprint

Semaphorin-3A
Semaphorins
innervation
heart
Chemotactic Factors
chemoattractants
arrhythmia
Cardiac Arrhythmias
Heart Diseases
mice
Cardiovascular system
Autonomic Nervous System
Sudden Cardiac Death
Neurology
Ventricular Fibrillation
Nerve Growth Factor
autonomic nervous system
nerve growth factor
Cardiovascular System
Heart Arrest

Keywords

  • Arrhythmia
  • Cardiac nerve
  • Congenital heart disease
  • Heart
  • Keywords
  • Semaphorin

ASJC Scopus subject areas

  • Medicine(all)
  • Immunology and Microbiology(all)
  • Agricultural and Biological Sciences(all)
  • Biochemistry, Genetics and Molecular Biology(all)

Cite this

Ieda, M., & Fukuda, K. (2015). Semaphorin in the heart. In Semaphorins: A Diversity of Emerging Physiological and Pathological Activities (pp. 175-188). Springer Japan. https://doi.org/10.1007/978-4-431-54385-5_9

Semaphorin in the heart. / Ieda, Masaki; Fukuda, Keiichi.

Semaphorins: A Diversity of Emerging Physiological and Pathological Activities. Springer Japan, 2015. p. 175-188.

Research output: Chapter in Book/Report/Conference proceedingChapter

Ieda, M & Fukuda, K 2015, Semaphorin in the heart. in Semaphorins: A Diversity of Emerging Physiological and Pathological Activities. Springer Japan, pp. 175-188. https://doi.org/10.1007/978-4-431-54385-5_9
Ieda M, Fukuda K. Semaphorin in the heart. In Semaphorins: A Diversity of Emerging Physiological and Pathological Activities. Springer Japan. 2015. p. 175-188 https://doi.org/10.1007/978-4-431-54385-5_9
Ieda, Masaki ; Fukuda, Keiichi. / Semaphorin in the heart. Semaphorins: A Diversity of Emerging Physiological and Pathological Activities. Springer Japan, 2015. pp. 175-188
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