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冷应激对海兰雏鸡某些血相变化的影响 被引量:8
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作者 袁学军 李士泽 +3 位作者 黄丽波 靳锐 李荣侠 姜莉莉 《动物医学进展》 CSCD 2001年第1期59-61,共3页
采用 1 0 0只雄性海兰雏鸡进行急性( 2 4h以内 )、慢性冷应激 (低 5℃ )及冷适应实验 ,通过瑞氏染色和脂酶染色法观察外周血白细胞分类及 T淋巴细胞数目的变化。结果表明 :急性冷应激期间 ,嗜碱性细胞数目增加 ,异嗜性细胞 /淋巴细胞 ( ... 采用 1 0 0只雄性海兰雏鸡进行急性( 2 4h以内 )、慢性冷应激 (低 5℃ )及冷适应实验 ,通过瑞氏染色和脂酶染色法观察外周血白细胞分类及 T淋巴细胞数目的变化。结果表明 :急性冷应激期间 ,嗜碱性细胞数目增加 ,异嗜性细胞 /淋巴细胞 ( H/ L)明显增加 ,应激 2 4h后 ,淋巴细胞明显减少 ( P <0 .0 5 ) ,冷适应后淋巴细胞数目显著增加 ( P<0 .0 1 )、T淋巴细胞数目极显著增加 ( P <0 .0 0 1 )、H/ L明显减少 ( P <0 .0 1 )。结果提示低 5℃冷应激使雏鸡细胞免疫水平增加。冷应激 1 5 d后雏鸡已经开始适应。 展开更多
关键词 冷应激 雏鸡 细胞免疫 白细胞 T淋巴细胞 血相变化
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Predisposing factors for atrial fibrillation in the elderly 被引量:5
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作者 Kristina Wasmer Lars Eckardt Gunter Breithardt 《Journal of Geriatric Cardiology》 SCIE CAS CSCD 2017年第3期179-184,共6页
Atrial fibrillation (AF) in the elderly occurs as a consequence of cardiovascular aging and an age related increase of comorbidity. Several predisposing factors for AF have been identified for the overall AF populat... Atrial fibrillation (AF) in the elderly occurs as a consequence of cardiovascular aging and an age related increase of comorbidity. Several predisposing factors for AF have been identified for the overall AF population. Most of them, cardiovascular disease in particular, play a role in younger and older patients. The longer time period during which these risk factors can cause structural changes that ultimately lead to AF may, at least in part, explain the association between age and AF. In addition, less well defined age-related changes in cellular electrophysi- ologic properties and structure predispose to AF in the elderly. 展开更多
关键词 Atrial fibrillation Atrial fibrosis MECHANISMS Risk factors STROKE The elderly
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