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Comparative Analysis of Skeleton Muscle Proteome Profile between Yak and Cattle Provides Insight into High-Altitude Adaptation

文献类型： 外文期刊

作者： Xin, Jin-Wei 1 ; Chai, Zhi-Xin 3 ; Zhang, Cheng-Fu 1 ; Yang, Yu-Mei 3 ; Zhang, Qiang 1 ; Zhu, Yong 1 ; Cao, Han-Wen 1 ; Y 1 ;

作者机构： 1.State Key Lab Hulless Barley & Yak Germplasm Reso, Lhasa, Peoples R China

2.Tibet Acad Agr & Anim Husb Sci, Inst Anim Sci & Vet, Lhasa, Peoples R China

3.Southwest Minzu Univ, Sichuan Prov & Minist Educ, Key Lab Qinghai Tibetan Plateau Anim Genet Resour, Chengdu, Peoples R China

关键词： High altitude; proteomics; antibody microarray; energy metabolism; thermogenesis; yak

期刊名称：CURRENT PROTEOMICS （ 影响因子：0.68； 五年影响因子：0.757 ）

ISSN： 1570-1646

年卷期： 2021 年 18 卷 1 期

页码：

收录情况： SCI

摘要： Background: Mechanisms underlying yak adaptation to high-altitude environments have been investigated at the levels of morphology, anatomy, physiology, genome and transcriptome, but have not been explored at the proteome level. Objective: The protein profiles were compared between yak and cattle to explore molecular mechanisms underlying yak adaptation to high altitude conditions. Methods: In the present study, an antibody microarray chip was developed, which included 6,500 mouse monoclonal antibodies. Immunoprecipitation and mass spectrometry were performed on 12 selected antibodies which showed that the chip was highly specific. Using this chip, muscle tissue proteome was compared between yak and cattle, and 12 significantly Differentially Expressed Proteins (DEPs) between yak and cattle were identified. Their expression levels were validated using Western blot. Results: Compared with cattle, higher levels of Rieske Iron-Sulfur Protein (RISP), Cytochrome C oxidase subunit 4 isoform 1, mitochondrial (COX4I1), ATP synthase F1 subunit beta (ATP5F1B), Sarcoplasmic/Endoplasmic Reticulum Calcium ATPase1 (SERCA1) and Adenosine Monophosphate Deaminase1 (AMPD1) in yak might improve oxygen utilization and energy metabolism. Pyruvate Dehydrogenase protein X component (PDHX) and Acetyltransferase component of pyruvate dehydrogenase complex (DLAT) showed higher expression levels and L-lactate dehydrogenase A chain (LDHA) showed lower expression level in yak, which might help yak reduce the accumulation of lactic acid. In addition, higher expression levels of Filamin C (FLNC) and low levels of AHNAK and Four and a half LIM domains 1 (FHL1) in yak might reduce the risks of pulmonary arteries vasoconstriction, remodeling and hypertension. Conclusion: Overall, the present study reported the differences in protein profile between yak and cattle, which might be helpful to further understand molecular mechanisms underlying yak adaptation to high altitude environments.

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