TY - JOUR
T1 - Fatty acid profiles and adipogenic gene expression of various fat depots in Japanese Black and Holstein steers
AU - Shirouchi, Bungo
AU - Albrecht, Elke
AU - Nuernberg, Gerd
AU - Maak, Steffen
AU - Olavanh, Samadmanivong
AU - Nakamura, Yoshinori
AU - Sato, Masao
AU - Gotoh, Takafumi
AU - Nuernberg, Karin
N1 - Funding Information:
The authors wish to thank Maria Dahm, Birgit Jentz, Karola Marquardt, Elke Schwitulla, Tetsuji Etoh and Yuji Shiotsuka for the excellent technical assistance and Pfizer Animal Health for the financial support of this study. This work is partially supported by the JSPS Strategic Young Researcher Overseas Visits Program for Accelerating Brain Circulation “Strategic Fosterage of Young Researchers who Innovate System of Livestock Production”.
PY - 2014/1
Y1 - 2014/1
N2 - Objective of the study was to assess the breed effect on fatty acid (FA) composition of different adipose tissues and on mRNA expression of genes involved in adipogenesis and fat metabolism. Japanese Black (JB) and Holstein (HS) steers were kept under equivalent conditions with high energy intake resulting in large differences in intramuscular fat (IMF) accumulation in longissimus muscle (LM). The relative FA composition of muscle, intermuscular fat, visceral fat, and perirenal fat was comparable between JB and HS steers. Circulating fatty acids were also similar in both breeds. Most relevant breed effects were identified in IMF, underlining the uniqueness of this adipose tissue site. JB steers had more monounsaturated FA and less saturated FA. Perilipin 1 and adipose differentiation-related protein (ADFP) mRNA levels were higher in IMF of JB. The results suggest advanced maturity of IMF cells in JB and altered local conditions in muscle influencing IMF accumulation and composition.
AB - Objective of the study was to assess the breed effect on fatty acid (FA) composition of different adipose tissues and on mRNA expression of genes involved in adipogenesis and fat metabolism. Japanese Black (JB) and Holstein (HS) steers were kept under equivalent conditions with high energy intake resulting in large differences in intramuscular fat (IMF) accumulation in longissimus muscle (LM). The relative FA composition of muscle, intermuscular fat, visceral fat, and perirenal fat was comparable between JB and HS steers. Circulating fatty acids were also similar in both breeds. Most relevant breed effects were identified in IMF, underlining the uniqueness of this adipose tissue site. JB steers had more monounsaturated FA and less saturated FA. Perilipin 1 and adipose differentiation-related protein (ADFP) mRNA levels were higher in IMF of JB. The results suggest advanced maturity of IMF cells in JB and altered local conditions in muscle influencing IMF accumulation and composition.
UR - http://www.scopus.com/inward/record.url?scp=84881006164&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=84881006164&partnerID=8YFLogxK
U2 - 10.1016/j.meatsci.2013.06.027
DO - 10.1016/j.meatsci.2013.06.027
M3 - Article
C2 - 23896150
AN - SCOPUS:84881006164
SN - 0309-1740
VL - 96
SP - 157
EP - 164
JO - Meat Science
JF - Meat Science
IS - 1
ER -