Expression of Constitutive Endothelial, Neuronal and Inducible Nitric Oxide Synthase in the Testis and Epididymis of Horse
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- HA Tae-young
- Department of Veterinary Medicine, Graduate School, Cheju National University Korea Racing Association
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- KIM Hee-seok
- Department of Veterinary Medicine, Graduate School, Cheju National University
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- SHIN Taekyun
- Department of Veterinary Medicine, Graduate School, Cheju National University
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The expression of three isoforms of nitric oxide synthase (NOS) were examined in the testis and epididymis of a thoroughbred horse. Immunohistochemical studies demonstrated the presence of eNOS immunostaining in some germ cells in the seminiferous tubules and in vascular endothelial cells in the interstitial tissues. Interstitial cells, most likely Leydig cells, were also intensely immunopositive for eNOS. The pattern of immunostaining for nNOS was similar to that for eNOS in the testis. Weak expression of iNOS was detected in the seminiferous tubules of the testis, but intense expression was found in interstitial cells. Inducible NOS was also strongly detected in stereocilia, sperm, epithelium and connective tissue of the epididymis of normal horses. These findings suggest that three isoforms of NOS are expressed in the testis and epididymis of horse and that they play important roles in the biology of interstitial cells that produce testosterone, as well as in spermatogenesis in the seminiferous tubules.<br>
収録刊行物
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- The Journal of Veterinary Medical Science
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The Journal of Veterinary Medical Science 66 (4), 351-356, 2004
公益社団法人 日本獣医学会
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詳細情報 詳細情報について
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- CRID
- 1390282681404202240
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- NII論文ID
- 110003886412
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- NII書誌ID
- AA10796138
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- ISSN
- 13477439
- 09167250
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- NDL書誌ID
- 6940312
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- PubMed
- 15133263
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- NDL
- Crossref
- PubMed
- CiNii Articles
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- 使用不可