The spatio-temporal expression pattern of cytoplasmic Cu/Zn superoxide dismutase (SOD1) mRNA during mouse embryogenesis.

The spatio-temporal expression pattern of cytoplasmic Cu/Zn superoxide dismutase (SOD1) mRNA during mouse embryogenesis. Research Abstract Details 

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The spatio-temporal expression pattern of cytoplasmic Cu/Zn superoxide dismutase (SOD1) mRNA during mouse embryogenesis. Abstract Text:

Jung-Min Yon,In-Jeoung Baek,Se-Ra Lee,Yan Jin,Mi-Ra Kim,Sang-Seop Nahm,Jong-Soo Kim,Byeongwoo Ahn,Beom Jun Lee,Young Won Yun,Sang-Yoon Nam,

The cytoplasmic Cu/Zn-superoxide dismutase (SOD1) represents along with catalase and glutathione peroxidase at the first defense line against reactive oxygen species in all aerobic organisms, but little is known about its distribution in developing embryos. In this study, the expression patterns of SOD1 mRNA in mouse embryos were investigated using real-time RT-PCR and in situ hybridization analyses. Expression of SOD1 mRNA was detected in all embryos with embryonic days (EDs) 7.5-18.5. The signal showed the weakest level at ED 12.5, but the highest level at ED 15.5. SOD1 mRNA was expressed in chorion, allantois, amnion, and neural folds at ED 7.5 and in neural folds, notochord, neuromeres, gut, and primitive streak at ED 8.5. In central nervous system, SOD1 mRNA was expressed greatly in embryos of EDs 9.5-11.5, but weakly in embryos of ED 12.5. At EDs 9.5-12.5, the expression of SOD1 mRNA was high in sensory organs such as tongue, olfactory organ (nasal prominence) and eye (optic vesicle), while it was decreased in ear (otic vesicle) after ED 10.5. In developing limbs, SOD1 mRNA was greatly expressed in forelimbs at EDs 9.5-11.5 and in hindlimbs at EDs 10.5-11.5. The signal increased in liver, heart and genital tubercle after ED 11.5. In the sections of embryos after ED 13.5, SOD1 mRNA was expressed in various tissues and especially high in mucosa and metabolically active sites such as lung, kidney, stomach, and intestines and epithelial cells of skin, whisker follicles, and ear and nasal cavities. These results suggest that SOD1 may be related to organogenesis of embryos as an antioxidant enzyme.

The spatio-temporal expression pattern of cytoplasmic Cu/Zn superoxide dismutase (SOD1) mRNA during mouse embryogenesis. Publishing Authors By Initials

JM Yon,IJ Baek,SR Lee,Y Jin,MR Kim,SS Nahm,JS Kim,B Ahn,BJ Lee,YW Yun,SY Nam,

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The spatio-temporal expression pattern of cytoplasmic Cu/Zn superoxide dismutase (SOD1) mRNA during mouse embryogenesis. Journal Published:

PUBLICATION TYPE: Journal Article

Journal: Journal of molecular histology

VOLUME: 39

Page Numbers: 95-103

Journal Abbreviation: J. Mol. Histol.

ISSN: 1567-2379

DAY: 5

MONTH: 09

YEAR: 2007

The spatio-temporal expression pattern of cytoplasmic Cu/Zn superoxide dismutase (SOD1) mRNA during mouse embryogenesis. Information

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LANGUAGE: eng

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AFFILIATION: College of Veterinary Medicine and Research Institute of Veterinary Medicine, Chungbuk National University, Cheongju, 361-763, Korea, synam@cbu.ac.kr.

Country: Netherlands

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MEDLINETA: J Mol Histol

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