Journal of Histochemistry and Cytochemistry
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DOI: 10.1369/jhc.4A6577.2005
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Journal of Histochemistry and Cytochemistry
Volume 53 (7): 833-838, 2005
Copyright ©The Histochemical Society, Inc.

Three-dimensional Imaging of the Intracellular Localization of Growth Hormone and Prolactin and Their mRNA Using Nanocrystal (Quantum Dot) and Confocal Laser Scanning Microscopy Techniques

Akira Matsuno, Johbu Itoh, Susumu Takekoshi, Tadashi Nagashima and R. Yoshiyuki Osamura

Department of Neurosurgery, Teikyo University Ichihara Hospital, Ichihara City, Chiba, Japan (AM,TN), and Teaching and Research Support Center (JI) and Department of Pathology (ST,RYO), Tokai University School of Medicine, Boseidai, Isehara City, Kanagawa, Japan

Correspondence to: Akira Matsuno, MD, PhD, Department of Neurosurgery, Teikyo University Ichihara Hospital 3426-3 Anesaki, Ichihara City, Chiba 299-0111, Japan. E-mail: akirakun{at}med.teikyo-u.ac.jp

Semiconductor nanocrystals (Quantum dots, Qdots) have recently been used in biological research, because they do not fade on exposure to light, and they enable us to obtain multicolor imaging because of a narrow emission peak that can be excited via a single wavelength of light. There have been no reports of simultaneous localization of mRNA and protein using Qdots. We successfully applied these advantages of Qdot and confocal laser scanning microscopy (CLSM) to three-dimensional images of the intracellular localization of growth hormone and prolactin and to their mRNA. In situ hybridization and immunohistochemistry using Qdots combined with CLSM can optimally illustrate the relationship between protein and mRNA simultaneously in three dimensions. Such an approach enables us to visualize functional images of proteins in relation with mRNA synthesis and localization.

(J Histochem Cytochem 53:833–838, 2005)

Key Words: in situ hybridization • immunohistochemistry • mRNA • Quantum dot • confocal laser scanning • microscopy • pituitary cell


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[Abstract] [Full Text] [PDF]



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