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Methodology of Lymphocytes Culture for Animal Chromosome Preparation  

Sohn, Sea-Hwan (Department of Animal Science and Biotechnology, Gyeongnam National University Science and Technology)
Lee, Jung-Up (Department of Animal Science and Biotechnology, Gyeongnam National University Science and Technology)
Publication Information
Reproductive and Developmental Biology / v.35, no.3, 2011 , pp. 257-263 More about this Journal
Abstract
In general, the blood cell culture is a common method for animal chromosome preparation. However, every animal and its cells have unique physiological characteristics and functions. Hence, it is very difficult to find the suitable method of chromosome preparation using animal lymphocyte culture. This study was carried out to fine the suitable method of chromosome preparation using lymphocytes cultures in mammalians and aves including cattle, rat, mouse and chicken. To seek the optimal method of lymphocyte culture in each animal, $2^3$ factorial experiment was designed. The design evaluated three main effects in culture duration, kinds of mitogen supplements and colcemid exposure time with two levels within each effect. The mitotic index and the score of chromosome morphology were analyzed. In results, the suitable methods of lymphocyte culture for chromosome preparation were 72 hours culture, pokeweed mitogen(PWM) supplement and 90 minutes of colcemid exposure in cattle, 72 hours culture, PWM supplement and 50 minutes of colcemid exposure in chicken, 96 hours culture, concanavalin A supplement and 90 minutes of colcemid exposure in rat, and 72 hours culture, PWM supplement and 50 minutes of colcemid exposure in mouse, respectively. In conclusion, kinds of mitogen, culture duration and colcemid exposure time significantly affected the mitotic index and chromosome morphology, in animal lymphocyte culture. The interaction effects between/among treatment factors were also statistically significant.
Keywords
Chromosome preparation; Lymphocyte culture; Cattle; Chicken; Rat; Mouse;
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Times Cited By KSCI : 3  (Citation Analysis)
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