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Article ; Online: The Study of Yak Colostrum Nutritional Content Based on Foodomics

Xiong, Lin / Pei, Jie / Bao, Pengjia / Wang, Xingdong / Guo, Shaoke / Cao, Mengli / Kang, Yandong / Yan, Ping / Guo, Xian

Foods. 2023 Apr. 19, v. 12, no. 8

2023

Abstract: The utilization of yak milk is still in a primary stage, and the nutrition composition of yak colostrum is not systematically characterized at present. In this study, the lipids, fatty acids, amino acids and their derivatives, metabolites in yak ... ...

Abstract	The utilization of yak milk is still in a primary stage, and the nutrition composition of yak colostrum is not systematically characterized at present. In this study, the lipids, fatty acids, amino acids and their derivatives, metabolites in yak colostrum, and mature milk were detected by the non−targeted lipidomics based on (ultra high performance liquid chromatography tandem quadrupole mass spectrometer) UHPLC−MS, the targeted metabolome based on gas chromatography−mass spectrometer (GC−MS), the targeted metabolome analysis based on UHPLC−MS, and the non-targeted metabolome based on ultra high performance liquid chromatography tandem quadrupole time of flight mass spectrometer (UHPLC−TOF−MS), respectively. Meanwhile, the nutrition composition of yak colostrum was compared with the data of cow mature milk in the literatures. The results showed that the nutritive value of yak colostrum was higher by contrast with yak and cow mature milk from the perspective of the fatty acid composition and the content of Σpolyunsaturated fatty acids (PUFAs), Σn−3PUFAs; the content of essential amino acid (EAA) and the ratio of EAA/total amino acid (TAA) in yak colostrum were higher than the value in yak mature milk; and the content of functional active lipids including phosphatidylcholines (PC), phosphatidylglycerol (PG), phosphatidylserine (PS), lyso-phosphatidylcholine (LPC), lyso-phosphatidylglycerol (LPG), lyso-phosphatidylinositol (LPI), sphingomyelin (SM), ganglioside M3 (GM3), ganglioside T3 (GT3), and hexaglycosylceramide (Hex1Cer) in yak colostrum, was higher than the value of yak mature milk. Moreover, the differences of nutritive value between yak colostrum and mature milk were generated by the fat, amino acids and carbohydrate metabolism that were regulated by the ovarian hormone and referencesrenin-angiotensin-aldosterone system in yaks. These research results can provide a theoretical basis for the commercial product development of yak colostrum.
Keywords	carbohydrate metabolism ; colostrum ; cows ; essential amino acids ; fatty acid composition ; foodomics ; gangliosides ; gas chromatography ; lipidomics ; metabolites ; metabolome ; milk ; nutrient content ; nutrition ; nutritive value ; phosphatidylcholines ; phosphatidylserines ; product development ; spectrometers ; sphingomyelins ; ultra-performance liquid chromatography ; yaks
Language	English
Dates of publication	2023-0419
Publishing place	Multidisciplinary Digital Publishing Institute
Document type	Article ; Online
ZDB-ID	2704223-6
ISSN	2304-8158
ISSN	2304-8158
DOI	10.3390/foods12081707
Database	NAL-Catalogue (AGRICOLA)

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Article: F1 Male Sterility in Cattle-Yak Examined through Changes in Testis Tissue and Transcriptome Profiles.

Cao, Mengli / Wang, Xingdong / Guo, Shaoke / Kang, Yandong / Pei, Jie / Guo, Xian

Animals : an open access journal from MDPI

2022 Volume 12, Issue 19

Abstract: Male-derived sterility in cattle-yaks, a hybrid deriving from yak and cattle, is a challenging problem. This study compared and analyzed the histomorphological differences in testis between sexually mature yak and cattle-yak, and examined the ... ...

Abstract	Male-derived sterility in cattle-yaks, a hybrid deriving from yak and cattle, is a challenging problem. This study compared and analyzed the histomorphological differences in testis between sexually mature yak and cattle-yak, and examined the transcriptome differences employing RNA-seq. The study found that yak seminiferous tubules contained spermatogenic cells at all levels, while cattle-yak seminiferous tubules had reduced spermatogonia (SPG) and primary spermatocyte (Pri-SPC), fewer secondary spermatocytes (Sec-SPC), an absence of round spermatids (R-ST) and sperms (S), and possessed large vacuoles. All of these conditions could have significantly reduced the volume and weight of cattle-yak testis compared to that of yak. RNA-seq analysis identified 8473 differentially expressed genes (DEGs; 3580 upregulated and 4893 downregulated). GO (Gene Ontology) and KEGG (Kyoto Encyclopedia of Genes and Genomes) enrichment evaluations for DEGs found their relation mostly to spermatogenesis and apoptosis. Among the DEGs, spermatogonia stem cell (SSCs) marker genes (
Language	English
Publishing date	2022-10-09
Publishing country	Switzerland
Document type	Journal Article
ZDB-ID	2606558-7
ISSN	2076-2615
ISSN	2076-2615
DOI	10.3390/ani12192711
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Article ; Online: Analysis of Chromatin Openness in Testicle Tissue of Yak and Cattle-Yak.

Cao, Mengli / Pei, Jie / Xiong, Lin / Guo, Shaoke / Wang, Xingdong / Kang, Yandong / Guo, Xian

International journal of molecular sciences

2022 Volume 23, Issue 24

Abstract: Cattle-yak, a crossbreed of yak and cattle, which can exhibit obvious heterosis and can adapt to the harsh environmental conditions of the Qinghai Tibet Plateau (QTP). However, F1 cattle-yak were found to be sterile because they were unable to produce ... ...

Abstract	Cattle-yak, a crossbreed of yak and cattle, which can exhibit obvious heterosis and can adapt to the harsh environmental conditions of the Qinghai Tibet Plateau (QTP). However, F1 cattle-yak were found to be sterile because they were unable to produce sperm, which adversely restricted the fixation of heterosis. Many prior attempts have been made to decipher the mechanism underlying the spermatogenesis stagnation of cattle-yak. However, the open chromatin region (OCR) map of yak and cattle-yak testes has not been generated yet. Here, we have analyzed the OCRs landscape of testicular tissues of cattle-yak and yaks by performing ATAC-seq technology. The OCRs of cattle-yak and yak testes displayed similar genome distribution and showed priority in intergenic regions, introns and promoters. The pathway enrichment analysis indicated that the differential OCRs-related genes were involved in spermatogenesis, involving the cell cycle, as well as Hippo, mTOR, MAPK, Notch, and Wnt signaling pathways. The integration of ATAC-seq and mRNA-seq indicated that the majority of the gene expression levels were positively correlated with chromatin openness. At the same time, we have identified a number of transcription factors (TFs) related to spermatogenesis and the differential expression of these TFs may contribute to the spermatogenesis stagnation of the cattle-yak. Overall, the findings of this study provide valuable information for advancing the research related to yak crossbreeding improvement and sperm production stagnation of cattle-yak.
Language	English
Publishing date	2022-12-13
Publishing country	Switzerland
Document type	Journal Article
ZDB-ID	2019364-6
ISSN	1422-0067 ; 1422-0067 ; 1661-6596
ISSN (online)	1422-0067
ISSN	1422-0067 ; 1661-6596
DOI	10.3390/ijms232415810
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Article: The Study of Yak Colostrum Nutritional Content Based on Foodomics.

Xiong, Lin / Pei, Jie / Bao, Pengjia / Wang, Xingdong / Guo, Shaoke / Cao, Mengli / Kang, Yandong / Yan, Ping / Guo, Xian

Foods (Basel, Switzerland)

2023 Volume 12, Issue 8

Abstract	The utilization of yak milk is still in a primary stage, and the nutrition composition of yak colostrum is not systematically characterized at present. In this study, the lipids, fatty acids, amino acids and their derivatives, metabolites in yak colostrum, and mature milk were detected by the non-targeted lipidomics based on (ultra high performance liquid chromatography tandem quadrupole mass spectrometer) UHPLC-MS, the targeted metabolome based on gas chromatography-mass spectrometer (GC-MS), the targeted metabolome analysis based on UHPLC-MS, and the non-targeted metabolome based on ultra high performance liquid chromatography tandem quadrupole time of flight mass spectrometer (UHPLC-TOF-MS), respectively. Meanwhile, the nutrition composition of yak colostrum was compared with the data of cow mature milk in the literatures. The results showed that the nutritive value of yak colostrum was higher by contrast with yak and cow mature milk from the perspective of the fatty acid composition and the content of Σpolyunsaturated fatty acids (PUFAs), Σn-3PUFAs; the content of essential amino acid (EAA) and the ratio of EAA/total amino acid (TAA) in yak colostrum were higher than the value in yak mature milk; and the content of functional active lipids including phosphatidylcholines (PC), phosphatidylglycerol (PG), phosphatidylserine (PS), lyso-phosphatidylcholine (LPC), lyso-phosphatidylglycerol (LPG), lyso-phosphatidylinositol (LPI), sphingomyelin (SM), ganglioside M3 (GM3), ganglioside T3 (GT3), and hexaglycosylceramide (Hex1Cer) in yak colostrum, was higher than the value of yak mature milk. Moreover, the differences of nutritive value between yak colostrum and mature milk were generated by the fat, amino acids and carbohydrate metabolism that were regulated by the ovarian hormone and referencesrenin-angiotensin-aldosterone system in yaks. These research results can provide a theoretical basis for the commercial product development of yak colostrum.
Language	English
Publishing date	2023-04-19
Publishing country	Switzerland
Document type	Journal Article
ZDB-ID	2704223-6
ISSN	2304-8158
ISSN	2304-8158
DOI	10.3390/foods12081707
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Article: Comparative Analysis of Epididymis Cauda of Yak before and after Sexual Maturity.

Ding, Ziqiang / Xiong, Lin / Wang, Xingdong / Guo, Shaoke / Cao, Mengli / Kang, Yandong / La, Yongfu / Bao, Pengjia / Pei, Jie / Guo, Xian

Animals : an open access journal from MDPI

2023 Volume 13, Issue 8

Abstract: Epididymis development is the basis of male reproduction and is a crucial site where sperm maturation occurs. In order to further understand the epididymal development of yak and how to regulate sperm maturation, we conducted a multi-omics analysis. We ... ...

Abstract	Epididymis development is the basis of male reproduction and is a crucial site where sperm maturation occurs. In order to further understand the epididymal development of yak and how to regulate sperm maturation, we conducted a multi-omics analysis. We detected 2274 differential genes, 222 differential proteins and 117 co-expression genes in the cauda epididymis of yak before and after sexual maturity by RNA-seq and proteomics techniques, which included TGFBI, COL1A1, COL1A2, COL3A1, COL12A1, SULT2B1, KRT19, and NPC2. These high abundance genes are mainly related to cell growth, differentiation, adhesion and sperm maturation, and are mainly enriched via extracellular matrix receptor interaction, protein differentiation and absorption, and lysosome and estrogen signaling pathways. The abnormal expression of these genes may lead to the retardation of epididymal cauda development and abnormal sperm function in yak. In conclusion, through single and combined analysis, we provided a theoretical basis for the development of the yak epididymal cauda, sperm maturation, and screening of key genes involved in the regulation of male yak reproduction.
Language	English
Publishing date	2023-04-15
Publishing country	Switzerland
Document type	Journal Article
ZDB-ID	2606558-7
ISSN	2076-2615
ISSN	2076-2615
DOI	10.3390/ani13081355
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Article ; Online: The Effect of the Feeding System on Fat Deposition in Yak Subcutaneous Fat.

Xiong, Lin / Pei, Jie / Bao, Pengjia / Wang, Xingdong / Guo, Shaoke / Cao, Mengli / Kang, Yandong / Yan, Ping / Guo, Xian

International journal of molecular sciences

2023 Volume 24, Issue 8

Abstract: Fat deposition is very important to the growth and reproduction of yaks. In this study, the effect of the feeding system on fat deposition in yaks was explored by transcriptomics and lipidomics. The thickness of the subcutaneous fat in yaks under stall ( ... ...

Abstract	Fat deposition is very important to the growth and reproduction of yaks. In this study, the effect of the feeding system on fat deposition in yaks was explored by transcriptomics and lipidomics. The thickness of the subcutaneous fat in yaks under stall (SF) and graze feeding (GF) was evaluated. The transcriptomes and lipidomes of the subcutaneous fat in yaks under different feeding systems were detected by RNA-sequencing (RNA-Seq) and non-targeted lipidomics based on ultrahigh-phase liquid chromatography tandem mass spectrometry (UHPLC-MS), respectively. The differences in lipid metabolism were explored, and the function of differentially expressed genes (DEGs) was evaluated by gene ontology (GO) and Kyoto encyclopedia of genes and genome (KEGG) analysis. Compared with GF yaks, SF yaks possessed stronger fat deposition capacity. The abundance of 12 triglycerides (TGs), 3 phosphatidylethanolamines (PEs), 3 diglycerides (DGs), 2 sphingomyelins (SMs) and 1 phosphatidylcholine (PC) in the subcutaneous fat of SF and GF yaks was significantly different. Under the mediation of the cGMP-PKG signaling pathway, the blood volume of SF and GF yaks may be different, which resulted in the different concentrations of precursors for fat deposition, including non-esterified fatty acid (NEFA), glucose (GLU), TG and cholesterol (CH). The metabolism of C16:0, C16:1, C17:0, C18:0, C18:1, C18:2 and C18:3 in yak subcutaneous fat was mainly realized under the regulation of the
MeSH term(s)	Animals ; Cattle ; Genome ; Reproduction ; Gene Expression Profiling ; Lipid Metabolism ; Subcutaneous Fat
Language	English
Publishing date	2023-04-17
Publishing country	Switzerland
Document type	Journal Article
ZDB-ID	2019364-6
ISSN	1422-0067 ; 1422-0067 ; 1661-6596
ISSN (online)	1422-0067
ISSN	1422-0067 ; 1661-6596
DOI	10.3390/ijms24087381
Database	MEDical Literature Analysis and Retrieval System OnLINE

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Article ; Online: Comparative Analysis of Epididymis Cauda of Yak before and after Sexual Maturity

Ding, Ziqiang / Xiong, Lin / Wang, Xingdong / Guo, Shaoke / Cao, Mengli / Kang, Yandong / La, Yongfu / Bao, Pengjia / Pei, Jie / Guo, Xian

Animals. 2023 Apr. 15, v. 13, no. 8

2023

Abstract	Epididymis development is the basis of male reproduction and is a crucial site where sperm maturation occurs. In order to further understand the epididymal development of yak and how to regulate sperm maturation, we conducted a multi-omics analysis. We detected 2274 differential genes, 222 differential proteins and 117 co-expression genes in the cauda epididymis of yak before and after sexual maturity by RNA-seq and proteomics techniques, which included TGFBI, COL1A1, COL1A2, COL3A1, COL12A1, SULT2B1, KRT19, and NPC2. These high abundance genes are mainly related to cell growth, differentiation, adhesion and sperm maturation, and are mainly enriched via extracellular matrix receptor interaction, protein differentiation and absorption, and lysosome and estrogen signaling pathways. The abnormal expression of these genes may lead to the retardation of epididymal cauda development and abnormal sperm function in yak. In conclusion, through single and combined analysis, we provided a theoretical basis for the development of the yak epididymal cauda, sperm maturation, and screening of key genes involved in the regulation of male yak reproduction.
Keywords	absorption ; adhesion ; cell growth ; epididymis ; estrogens ; extracellular matrix ; lysosomes ; males ; multiomics ; proteomics ; reproduction ; sequence analysis ; sexual maturity ; spermatozoa ; yaks
Language	English
Dates of publication	2023-0415
Publishing place	Multidisciplinary Digital Publishing Institute
Document type	Article ; Online
ZDB-ID	2606558-7
ISSN	2076-2615
ISSN	2076-2615
DOI	10.3390/ani13081355
Database	NAL-Catalogue (AGRICOLA)

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Article: Huang Bai Jian Pi decoction alleviates diarrhea and represses inflammatory injury via PI3K/Akt/NF-κB pathway: In vivo and in vitro studies

Yan, Zunxiang / Zhang, Kai / Zhang, Kang / Wang, Guibo / Wang, Lei / Zhang, Jingyan / Qiu, Zhengying / Guo, Zhiting / Kang, Yandong / Song, Xiaoping / Li, Jianxi

Journal of ethnopharmacology. 2022 June 28, v. 292

2022

Abstract: Huang Bai Jian Pi (HBJP) decoction, a Chinese herbal formula based on the Pulsatilla decoction (PD) and Si Junzi decoction, is efficacy to treat clinical diarrhea in calves. The mechanism of HBJP decoction to treat calf diarrhea remains unclear. This ... ...

Abstract	Huang Bai Jian Pi (HBJP) decoction, a Chinese herbal formula based on the Pulsatilla decoction (PD) and Si Junzi decoction, is efficacy to treat clinical diarrhea in calves. The mechanism of HBJP decoction to treat calf diarrhea remains unclear. This study was to investigate the therapeutic effect and anti-inflammatory mechanism of HBJP decoction on diarrhea in rats. Thirty-six Sprague Dawley rats were randomly divided into control group, model group, PD group and three treated groups with HBJP decoction. The diarrheal model in rats was established by multiple factors including high-sugar and fat diet, high temperature and dampness environment, biological pathogenic factors. The diarrheal animals were treated with HBJP decoction or PD for 5 days. The inflammatory model of the intestinal epithelioid cell line 6 (IEC-6) was induced by TNF-α. The clinical symptoms, blood routine and biochemistry parameters, histopathology of main organs were detected. The proteins associated with PI3K/Akt/NF-κB pathway and the expression levels of cytokines associated with inflammation were detected in vivo and in vitro by Western blot and ELISA. The model rats showed obvious diarrheal symptoms, and the obvious systemic inflammatory response accompanied with abnormal change in blood routine, biochemistry parameters and histopathology. HBJP decoction alleviated obviously the clinical symptoms, and pathological changes of the liver, colon and lung, and abnormal blood routine and biochemistry indexes in rats. The expression of P-PI3K, P-Akt, P–NF-κB, IL-1β, IL-6 was significantly increased, and the expression of IL-10 was markedly decreased in diarrheal rats and IEC-6 with inflammation. HBJP decoction significantly inhibited the PI3K/AKT/NF-κB signal pathway and adjusted the expression of these inflammatory cytokines. The finding suggested that HBJP decoction alleviate the inflammation in diarrhea through inhibiting the PI3K/Akt/NF-κB signal pathway, which provides scientific evidences for the clinical application of HBJP decoction in diarrhea.
Keywords	Pulsatilla ; Western blotting ; blood ; calves ; cell lines ; colon ; diarrhea ; diet ; histopathology ; inflammation ; interleukin-10 ; interleukin-6 ; liver ; lungs ; models ; signal transduction ; temperature ; therapeutics ; traditional medicine
Language	English
Dates of publication	2022-0628
Publishing place	Elsevier B.V.
Document type	Article
ZDB-ID	134511-4
ISSN	1872-7573 ; 0378-8741
ISSN (online)	1872-7573
ISSN	0378-8741
DOI	10.1016/j.jep.2022.115212
Database	NAL-Catalogue (AGRICOLA)

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Article: Transcriptome Studies Reveal the

Guo, Shaoke / Pei, Jie / Wang, Xingdong / Cao, Mengli / Xiong, Lin / Kang, Yandong / Ding, Ziqiang / La, Yongfu / Chu, Min / Bao, Pengjia / Guo, Xian

Animals : an open access journal from MDPI

2023 Volume 13, Issue 18

Abstract: Studying the mechanism of spermatogenesis is key to exploring the reproductive characteristics of male yaks. ... ...

Abstract	Studying the mechanism of spermatogenesis is key to exploring the reproductive characteristics of male yaks. Although
Language	English
Publishing date	2023-09-05
Publishing country	Switzerland
Document type	Journal Article
ZDB-ID	2606558-7
ISSN	2076-2615
ISSN	2076-2615
DOI	10.3390/ani13182815
Database	MEDical Literature Analysis and Retrieval System OnLINE

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Article ; Online: Single-Cell RNA Sequencing Reveals Atlas of Yak Testis Cells.

Wang, Xingdong / Pei, Jie / Xiong, Lin / Guo, Shaoke / Cao, Mengli / Kang, Yandong / Ding, Ziqiang / La, Yongfu / Liang, Chunnian / Yan, Ping / Guo, Xian

International journal of molecular sciences

2023 Volume 24, Issue 9

Abstract: Spermatogenesis is a complex process that involves proliferation and differentiation of diploid male germ cells into haploid flagellated sperm and requires intricate interactions between testicular somatic cells and germ cells. The cellular heterogeneity ...

Abstract	Spermatogenesis is a complex process that involves proliferation and differentiation of diploid male germ cells into haploid flagellated sperm and requires intricate interactions between testicular somatic cells and germ cells. The cellular heterogeneity of this process presents a challenge in analyzing the different cell types at various developmental stages. Single-cell RNA sequencing (scRNA-seq) provides a useful tool for exploring cellular heterogeneity. In this study, we performed a comprehensive and unbiased single-cell transcriptomic study of spermatogenesis in sexually mature 4-year-old yak using 10× Genomics scRNA-seq. Our scRNA-seq analysis identified six somatic cell types and various germ cells, including spermatogonial stem cells, spermatogonia, early-spermatocytes, late-spermatocytes, and spermatids in yak testis. Pseudo-timing analysis showed that Leydig and myoid cells originated from common progenitor cells in yaks. Moreover, functional enrichment analysis demonstrated that the top expressed genes in yak testicular somatic cells were significantly enriched in the cAMP signaling pathway, PI3K-Akt signaling pathway, MAPK signaling pathway, and ECM receptor interactions. Throughout the spermatogenesis process, genes related to spermatogenesis, cell differentiation, DNA binding, and ATP binding were expressed. Using immunohistochemical techniques, we identified candidate marker genes for spermatogonial stem cells and Sertoli cells. Our research provides new insights into yak spermatogenesis and the development of various types of cells in the testis, and presents more reliable marker proteins for in vitro culture and identification of yak spermatogonial stem cells in the later stage.
MeSH term(s)	Male ; Animals ; Cattle ; Testis/metabolism ; Phosphatidylinositol 3-Kinases/metabolism ; Semen ; Spermatogenesis/genetics ; Spermatogonia/metabolism ; Sequence Analysis, RNA
Chemical Substances	Phosphatidylinositol 3-Kinases (EC 2.7.1.-)
Language	English
Publishing date	2023-04-28
Publishing country	Switzerland
Document type	Journal Article
ZDB-ID	2019364-6
ISSN	1422-0067 ; 1422-0067 ; 1661-6596
ISSN (online)	1422-0067
ISSN	1422-0067 ; 1661-6596
DOI	10.3390/ijms24097982
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