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Asian-Australasian Journal of Animal Sciences 2005;18(6): 892-897.
https://doi.org/10.5713/ajas.2005.892    Published online November 26, 2005.
Cloning of Bovine Macrophage Colony-stimulating Factor
Tae-yung Kim, Cheol-ho Kim, Sang-gil Lee, Chung-boo Kang
This article has been corrected. See "CORRIGENDUM (2005; vol 18, no 6, 892-897)" in Volume 35 on page 789.
Macrophage colony-stimulating factor (M-CSF) is a growth factor required for growth and differentiation of mononuclear phagocyte lineage. Total and 16 poly (A) mRNA of bovine M-CSF were isolated from healthy bovine peripheral mononuclear cells stimulated by phobol 12-myristste 13-acetate (TPA). The more compatible cultured mononuclear cells were 5횞10/ml for RNA isolation. TPA-activated mononuclear cells increased the level of M-CSF-mRNA more than concanavalin A (Con A) and lipopolysaccharide (LPS). The optimal analysis of reverse transcriptase-polymerase chain reaction (RT-PCR) for14 Macrophage colonystimulating factor (M-CSF) as a growth factor required for bovine M-CSF was denaturation at 94째C for 1 minute, annealing at 57째C for 1 minute, extension at 72째C for 1 minute for 30 cycles. The size of cDNA of bovine M-CSF by RT-PCR was 774 base pairs. A 774 base pairs cDNA encoding bovine M-CSF was synthesized by reverse transcriptase polymerase chain reaction (RT-PCR). Ligated cDNA was transformed to competent cells and then plasmid isolation and digestion was performed. Molecular cloning and sequencing were performed for cDNA of bovine M-CSF. The size of cloned cDNA of bovine M-CSF was 774base pairs. The homology of base sequence and amino acid sequence was 88% and 86% compared with known human M-CSF, respectively. From a high degree of sequence similarity, the obtained cDNA of bovine M-CSF is thought be a specific gene of bovine M-CSF.
Keywords: M-CSF; RT-PCR; Cattle
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