Veterinaria Medika
ISSN 1979-1305
Vol. 1 / No. 2 / Published : 2008-06
Order : 8, and page :39 - 42
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Original Article :
Identification of protein growth differentiation factor-9 (gdf-9) isolated from oocytes dominant follicles of bovine ovum
Author :
- Widjiati*1
- Nur Zahrotul Hayati*2
- Ismudiono*3
- Sukmanadi*4
- Fakultas Kedokteran Hewan Universitas Airlangga
- PPDH Fakultas Kedokteran Hewan Universitas Airlangga
- Fakultas Kedokteran Hewan Universitas Airlangga
- Fakultas Kedokteran Hewan Universitas Airlangga
Abstract :
This research comprises a series of researches on protein Growth Differentiation Factor-9 (GDF-9) fraction in in vitro maturation process to improve the quality of oocytes as oocyte bank for in vitro embryo production. The research is aimed at identification and characterization of protein Growth Differentiation Factor-9 (GDF-9) isolated from oocytes dominant follicles of bovine ovum. Bovine ovary obtained from a slaughterhouse was aspired in its ovary follicles then extracted by sonication technique. Identification of protein Growth Differentiation Factor-9 (GDF-9) fraction was carried out by means of Sodium Dodecyl Sulphonate Polyacrylamide Gel Electrophoresis (SDS-PAGE). From the results of research, several protein fractions were obtained. Based on the calculation of regression equation resulting from protein marker to determine the molecular weight of Growth Differentiation Factor-9 (GDF-9) protein, 8 protein fractions were determined, they are : 146.46 kDa, 116.12 kDa, 101.02 kDa, 51.06 kDa, 39.94 kDa, 34.75 kDa, 31.67kDa, 15.07kDa. Protein appearing in the protein band the molecular weight of 51.06 kDa was identified as Growth Differentiation Factor-9 (GDF-9) protein fraction playing a role in follicle development.
Keyword :
Growth Differentiation Factor-9 (GDF-9), oocyte, dominant follicle, ., .,
References :
Elvin, J. A., Y. Changning, P. Wang., K. Nishimori and M. M. Matzuki,(1999) Molecular Characterization of the follicle defects in the Growth differentiation factor-9 (GDF-9) deficient ovary . : J. Mol. Endo.
Jayawardhana, B. C., S. Takashi, N. Hiromi, K. Etsushi, T. Masafumi and M. Akio,(2006) Hormonal regulation of expression growth differentiation factor-9 (GDF-9) receptor type I and II genes in vitro the bovine ovarian follicle . : J. Repro.
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