Activity of Glycogen Phosphorylase in Rabbit Aorta during Contraction

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概要

• 論文の詳細を見る

• Rabbit aortic strips were subjected to a load of 1 gm of tension and mounted in a bath medium at 37℃, aerated with 5% CO_2 and 95% O_2. Adrenaline (10^<-4> M) was added to the bath medium to contract these strips. In the aortic strips (the aortic arch, and the thoracic aorta), activation of glycogen phosphorylase was observed during contraction. The activity of glycogen phosphorylase a in the contracting aortic arch was increased by 31% of the control activity, while the increase in the enzymatic activity in the contracting thoracic aorta was 28%. However, the activity of the abdominal aorta was unchanged during contraction. From these findings, it appears that glycogenolysis increases in the contracting aortic arch and thoracic aorta.

• 島根大学の論文

著者

• HASHIMOTO Michio

  Department of Physiology, Shimane Medical University

• MASUMURA Sumio

  Department of Pharmacology, Faculty of Pharmaceutical Sciences, Mukogawa Women's University

• Masumura Sumio

  Department Of Physiology Shimane Medical University

• SATO TOSHIKO

  Department of Vascular Surgery, Aichi Medical University

• Hashimoto Yoko

  Department of Physiology, Yokohama City University

• Hashimoto Michio

  Department Of Environmental Physiology Faculty Of Medicine Shimane University

• Sato Toshiko

  Department Of Physiology Shimane Medical University

• Hashimoto Yoko

  Department Of Physiology Shimane Medical University

• Hashimoto Yoko

  Department Of Medicine And Clinical Science Graduate School Of Medicine

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