Nitric oxide (NO) is involved in modulation of non-insulin mediated glucose transport in chicken skeletal muscles

Y. Nishiki, Tatsuyoshi Kono, K. Fukao, K. Sato, K. Takahashi, M. Toyomizu, Y. Akiba

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

The biosynthesis and release of nitric oxide (NO) from skeletal muscle plays a crucial role in transport and utilization of glucose. There are, however, no reports concerning the effects of NO on the transport of glucose in skeletal muscles of chickens characterized by hyperglycemia and insulin resistance. The present study was undertaken to investigate whether a NO donor or a nitric oxide synthase (NOS) inhibitor influences basal or insulin-mediated glucose uptake in vivo in skeletal muscles of chickens. Single administration of NOC12, a NO donor at 1125 μg/kg body mass (BW) to 14 days old chicks caused an increase in plasma NO concentration, while it did not affect plasma glucose concentration. In contrast, a single injection of NOS inhibitor, NG-nitro-L-arginine methyl ester (L-NAME) at 300 mg/kg BW reduced plasma NO concentration, while it did not effect plasma glucose concentration. Chicks were also treated with or without NO modifier and/or insulin to estimate glucose transport activity, which was estimated by the 2-deoxy-D-glucose (2DG) uptake method. NOC12 treatment significantly increased basal glucose uptake, with no insulin stimulation, in extensor digitrorum longus (EDL) muscle (P < 0.01), while it caused no significant changes in insulin-stimulated glucose uptake in the skeletal muscles assayed. Injection of L-NAME at 300 mg/kg BW resulted in a significant decrease in the basal glucose uptake in gastrocnemius muscles (P < 0.01). No significant changes in the insulin-stimulated glucose uptake by L-NAME were observed in any skeletal muscles studied. The results suggest that NO plays a lesser role in the modulation of glucose transport in chicken skeletal muscle compared to mammals and may be involved in non-insulin mediated glucose transport.

Original languageEnglish (US)
Pages (from-to)101-107
Number of pages7
JournalComparative Biochemistry and Physiology - B Biochemistry and Molecular Biology
Volume149
Issue number1
DOIs
StatePublished - Jan 2008
Externally publishedYes

Fingerprint

Muscle
Chickens
Nitric Oxide
Skeletal Muscle
Modulation
Glucose
NG-Nitroarginine Methyl Ester
Insulin
Plasmas
Nitric Oxide Donors
Nitric Oxide Synthase
Injections
Mammals
Biosynthesis
Deoxyglucose
Hyperglycemia
Insulin Resistance
Muscles

Keywords

  • Chicken
  • Deoxy-glucose uptake
  • Glucose transport
  • Insulin
  • Nitric oxide
  • Skeletal muscle

ASJC Scopus subject areas

  • Biochemistry
  • Physiology

Cite this

Nitric oxide (NO) is involved in modulation of non-insulin mediated glucose transport in chicken skeletal muscles. / Nishiki, Y.; Kono, Tatsuyoshi; Fukao, K.; Sato, K.; Takahashi, K.; Toyomizu, M.; Akiba, Y.

In: Comparative Biochemistry and Physiology - B Biochemistry and Molecular Biology, Vol. 149, No. 1, 01.2008, p. 101-107.

Research output: Contribution to journalArticle

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