한국안광학회지 (Journal of Korean Ophthalmic Optics Society)

한국안광학회 (The Korean Ophthalmic Optics Society)
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한국관박쥐 망막에서 글루타메이트 수용체의 분포 양상

Distribution of Glutamate Receptors in the Retina of the Greater Horseshoe Bat (Rhinolophus ferrumequinum)

  • 권오주 (부산과학기술대학교 보건웰빙학부 안경광학과) ;
  • 전창진 (경북대학교 생명과학부 생물학과)
  • Kwon, Oh-Ju (Dept. of Optometry, Busan Institute of Science and Technology) ;
  • Jeon, Chang-Jin (Dept. of Biology, Kyungpook National University)
  • 투고 : 2014.08.01
  • 심사 : 2014.09.18
  • 발행 : 2014.09.30
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초록

목적: 한국관박쥐 망막의 기능을 알아보기 위해서 흥분성 신경전달물질인 글루타메이트 수용체의 분포도를 분석하였다. 방법: 성체 한국관 박쥐의 망막을 $40{\mu}m$ 수직 절편 한 후 표준면역세포화학법을 이용하였다. 면역형광이미지는 Bio-Rad MRC 1024 공초점 현미경을 사용하여 얻었다. 결과: AMPA (GluR1-4), Kainate (GluR5-7, KA1-2), NMDA (1, 2A, 2B)는 내망상층과 외망상층에 주로 분포되어 있었다. KA1은 신경절세포층에도 많은 수의 수용체가 존재하였다. 결론: 한국관박쥐는 포유류망막에 있는 신경세포와 신경전달물질을 동일하게 가지고 있었다. 한국관박쥐도 기능적 망막을 가지고 있음을 제시한다.

Purpose: The objective of this study was analyzing the distribution of the excitatory neurotransmitter glutamate receptor to investigate the function in the retina of the greater horseshoe bat. Methods: After retinal tissues of adult greater horseshoe bat were cut into $40{\mu}m$ vertical sections, standard immuno-cytochemical techniques was applied for analysis. Immunofluorescence images were obtained using the Bio-Rad MRC 1024 laser scanning confocal microscope. Results: AMPA (GluR1-4), Kainate (GluR5-7, KA1-2) and NMDA (1, 2A, 2B) mainly distributed in the inner plexiform layer and outer plexiform layer. KA1 receptors have existed not only plexiform layer but also ganglion cell layer. Conclusions: The greater horseshoe bat has same neuron and neurotransmitter to mammalian retina. These findings suggest that bat has a functional retina for visual analysis.

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피인용 문헌

  1. Localization of the Major Retinal Neurotransmitters and Receptors and Müller Glia in the Retina of the Greater Horseshoe Bat (Rhinolophus ferrumequinum) vol.20, pp.3, 2015, https://doi.org/10.14479/jkoos.2015.20.3.391