Effects of Scrotal Insulation and Pathological Lesions on α-Smooth Muscle Actin (SMA) and Vimentin in the Bull Testes
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概要
- 論文の詳細を見る
The expression patterns of α-smooth muscle actin (SMA) and vimentin in the bovine testis indicate the maturation status of seminiferous tubules. The present study demonstrates the effects of impaired spermatogenesis resulting from increased testicular temperature after scrotal insulation and pathological lesions in subfertile bull testes on the changes in immunohistochemical expression of α-SMA and vimentin. Scrotal insulation induced degenerative changes of seminiferous tubules, and subfertile bull testes demonstrated characteristic mixed atrophied lesions; dysplastic lesions were seen in one bull. The increased intensity of peritubular α-SMA in the dysplastic area was distinct and indicated shrinkage of the seminiferous tubules. The mixed atrophied lesions revealed unaltered expression of peritubular α-SMA. However, considerable distortion was observed in the expression of α-SMA in severely degenerated tubules after insulation, which may indicate the heat sensitivity of peritubular α-SMA or its relation with spermatogenic activity under sudden heat stress. The vimentin expression pattern in the degenerated tubules of post-insulated testes was unaltered. However, the Sertoli cell-only tubules of mixed atrophied subfertile bull testes were characterized by an increase in vimentin of strong intensity resembling that in the transforming pattern, which may indicate the reversion of Sertoli cell maturity in such cases.
- 2010-04-01
著者
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佐々木 基樹
東京大学総合研究博物館
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DEVKOTA Bhuminand
The United Graduate School of Veterinary Sciences, Gifu University
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SASAKI Motoki
The United Graduate School of Veterinary Sciences, Gifu University
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MATSUI Motozumi
The United Graduate School of Veterinary Sciences, Gifu University
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TAKAHASHI Ken-Ichi
Genetics Hokkaido
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MATSUZAKI Shigenori
Genetics Hokkaido
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KOSEKI Tsugio
National Livestock Breeding Center, Nikkappu Station
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MIYAKE Yoh-Ichi
The United Graduate School of Veterinary Sciences, Gifu University
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松崎 重範
Genetics Hokkaido
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MIYAKE Yoh-Ichi
Department of Veterinary Medicine, Obihiro University
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Koseki Tsugio
National Livestock Breeding Center Nikkappu Station
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佐々木 基樹
The United Graduate School Of Veterinary Sciences Gifu University
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Matsui Motozumi
Lab. Of Theriogenology Dep. Of Applied Veterinary Medicine Obihiro Univ. Of Agriculture And Veterina
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MIYAKE Yoh-Ichi
Obihiro University of Agriculture and Veterinary Medicine
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三宅 陽一
岩手大学 農学部家畜繁殖学研究室
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Miyake Yoh‐ichi
Obihiro Univ. Agriculture And Veterinary Medicine Hokkaido
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Miyake Y
Laboratory Of Theriogenology Faculty Of Agriculture Iwate University
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Miyake Yoh-ichi
The United Graduate School Of Veterinary Sciences Gifu University
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Devkota Bhuminand
The United Graduate School Of Veterinary Sciences Gifu University
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デブコタ ブミナンド
岐阜大学大学院連合獣医学研究科:帯広畜産大学獣医学科臨床獣医学講座:tribhuvan大学
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Devkota Bhuminand
Institute Of Agriculture And Animal Science Tribhuvan University
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Matsui Motozumi
The United Graduate School Of Veterinary Sciences Gifu University
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Miyake Y
Iwate Univ. Morioka Jpn
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高橋 健一
Genetics Hokkaido
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松井 基純
The United Graduate School Of Veterinary Sciences Gifu University
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佐々木 基樹
帯広畜産大学畜産学部・獣医学科・基礎獣医学講座
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Bhuminand Devkota
Institute Of Agriculture And Animal Science Tribhuvan University
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