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Fermented defatted rice bran-derived gut Clostridium butyricum improved the gut barrier function by regulating HIF-1 signaling pathway

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Food Science and Human Wellness 2024年

作者： Weifa Su Zipeng Jiang Tao Gong Man Du Fengqin Wang Zeqing Lu Mingliang Jin Yizhen Wang Key Laboratory of Molecular Animal Nutrition， Ministry of Education， Zhejiang University Key Laboratory of Animal Nutrition and Feed， Ministry of Agricultural and Rural Affairs， Zhejiang University national engineering research center of green feeds and healthy livestock industry， Zhejiang University Key Laboratory of Animal Nutrition and Feed Science of Zhejiang Province， Zhejiang University College of Animal Science， Institute of Feed Science， Zhejiang University

Emerging evidence of the beneficial effects of defatted rice bran (DFRB) on gut health has advanced the development of fermented defatted rice bran as a potential functional food. However， less is known about its effects and underlying mechanisms on gut health. In this study， a mouse model together with fecal microbiota transplantation (FMT) was utilized to study the effects and mechanisms of fermented DFRB (FR) on gut barrier function. We found that FR improved the intestinal morphology， gut tight junction proteins， mucin， antimicrobial peptides， and IL-22 and promoted the gut Clostridium butyricum and butyrate. Notably， correlation analysis indicated gut C. butyricum and butyrate were two FR-induced effectors that improved gut health. FMT results suggested that C. butyricum， butyrate， and fecal microbiota from the FR group all reduced PHD2 expression by activating PPAR-γ in the mouse colon. This decrease in gut PHD2 subsequently upregulated the HIF-1α expression， which in turn increased the expression of its targeted downstream tight junction proteins， mucin and antimicrobial peptides， and colonic IL-22 secretion. Overall， FR-derived C. butyricum and butyrate might improve gut barrier function through the HIF-1 signaling pathway， which provides a reference for the application of fermented DFRB as a potential functional food for improving of gut barrier function.

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Evaluating the performance of genomic selection on purebred population by incorporating crossbred data in pigs

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Journal of Integrative Agriculture 2024年第2期23卷 639-648页

作者： Jun Zhou Qing Lin Xueyan Feng Duanyang Ren Jinyan Teng Xibo Wu Dan Wu Xiaoke Zhang Xiaolong Yuan Zanmou Chen Jiaqi Li Zhe Zhang Hao Zhang College of Animal Science South China Agricultural University/State Key Laboratory of Swine and Poultry Breeding Industry/National Engineering Research Center for Breeding Swine IndustryGuangzhou 510642China Guangxi State Farms Yongxin Animal Husbandry Group Co. Ltd.Nanning 530022China

Genomic selection(GS)has been widely used in livestock,which greatly accelerated the genetic progress of complex *** population size was one of the significant factors affecting the prediction accuracy,while it was limited by the purebred *** to directly combining two uncorrelated purebred populations to extend the reference population size,it might be more meaningful to incorporate the correlated crossbreds into reference population for genomic *** this study,we simulated purebred offspring(PAS and PBS)and crossbred offspring(CAB)base on real genotype data of two base purebred populations(PA and PB),to evaluate the performance of genomic selection on purebred while incorporating crossbred *** results showed that selecting key crossbred individuals via maximizing the expected genetic relationship(REL)was better than the other methods(individuals closet or farthest to the purebred population,CP/FP)in term of the prediction ***,the prediction accuracy of reference populations combining PA and CAB was significantly better only based on PA,which was similar to combine PA and ***,the rank correlation between the multiple of the increased relationship(MIR)and reliability improvement was *** for individuals with low correlation(Cor(Pi,PA or B),the reliability improvement was significantly lower than other *** findings suggested that incorporating crossbred into purebred population could improve the performance of genetic prediction compared with using the purebred population *** genetic relationship between purebred and crossbred population is a key factor determining the increased reliability while incorporating crossbred population in the genomic prediction on pure bred individuals.

关键词： pigs crossbred population genomic selection reference population construction relationship

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Whole-genome resequencing of Hu sheep identifies candidate genes associated with agronomic traits

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Journal of Genetics and Genomics 2024年第8期51卷 866-876页

作者： Liming Zhao Lvfeng Yuan Fadi Li Xiaoxue Zhang Huibin Tian Zongwu Ma Deyin Zhang Yukun Zhang Yuan Zhao Kai Huang Xiaolong Li Jiangbo Cheng Dan Xu Xiaobin Yang Kunchao Han Xiuxiu Weng Weimin Wang State Key Laboratory of Herbage Improvement and Grassland Agro-Ecosystems Key Laboratory of Grassland Livestock Industry InnovationMinistry of Agriculture and Rural AffairsEngineering Research Center of Grassland IndustryMinistry of EducationCollege of Pastoral Agriculture Science and TechnologyLanzhou UniversityLanzhouGansu 730020China Lanzhou Veterinary research Institute Chinese Academy of Agricultural SciencesLanzhouGansu 730046China College of Animal Science and Technology Gansu Agricultural UniversityLanzhouGansu 730070China

The phenotypic diversity resulting from artificial or natural selection of sheep has made a significant contribution to human *** sheep are a local sheep breed unique to China with high reproductive rates and rapid *** selection signatures have been widely used to investigate the genetic mechanisms underlying phenotypic variation in ***,we conduct whole-genome sequencing of 207 Hu sheep and compare them with the wild ancestors of domestic sheep(Asiatic mouflon)to investigate the genetic characteristics and selection signatures of Hu *** on six signatures of selection approaches,we detect genomic regions containing genes related to reproduction(BMPR1B,BMP2,PGFS,CYP19,CAMK4,GGT5,and GNAQ),vision(ALDH1A2,SAG,and PDE6B),nervous system(NAV1),and immune response(GPR35,SH2B2,PIK3R3,and HRAS).Association analysis with a population of 1299 Hu sheep reveals that those missense mutations in the GPR35(GPR35 g.952651 A>G;GPR35 g.952496 C>T)and NAV1(NAV1 g.84216190 C>T;NAV1 g.84227412 G>A)genes are significantly associated(Presearch offers unique insights into the selection characteristics of Hu sheep and facilitates further genetic improvement and molecular investigations.

关键词： Hu sheep Whole-genome resequencing Selection signature GPR35 NAV1 Single nucleotide polymorphism

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Calcium-fortified fresh milk ameliorates postmenopausal osteoporosis via regulation of bone metabolism and gut microbiota in ovariectomized rats

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Food Science and Human Wellness 2024年第3期13卷 1258-1270页

作者： Qishan Wang Bin Liu Xianping Li Junying Zhao Zongshen Zhang Weicang Qiao Xinyue Wei Lijun Chen School of Bioengineering Dalian Polytechnic UniversityDalian 116034China national engineering research center of Dairy Health for Maternal and Child Beijing Sanyuan Foods Co.Ltd.Beijing 100163China Beijing engineering research center of Dairy Beijing Sanyuan Foods Co.Ltd.Beijing 100163China

The aging of the global population has made postmenopausal osteoporosis prevention essential;however,pharmacological treatments are ***,we evaluate the effect of calcium-fortified fresh milk(FM)in ameliorating postmenopausal osteoporosis in a rat model established using bilateral *** 3 months of FM(containing vitamin D,and casein phosphopeptides,1000 mg Ca/100 g)or control milk(110 mg Ca/100 g milk)supplementation,bone changes were assessed using dual-energy X-ray absorptiometry,microcomputed tomography,and bone biomechanical *** results revealed that FM can regulate bone metabolism and gut microbiota composition,which act on bone metabolism through pathways associated with steroid hormone biosynthesis,relaxin signaling,serotonergic synapse,and unsaturated fatty acid ***,FM administration significantly increased bone mineral content and density in the lumbar spine and femur,as well as femoral compressive strength,while improving femoral trabecular bone parameters and ***,we found that the effects may be due to increased levels of estrogen,bone formation marker osteocalcin,and procollagen typeⅠN-propeptide,and decreased expression of the bone resorption marker C-telopiptide and tartrate-resistant acid phosphatase ***,the findings suggest that FM is a potential alternative therapeutic option for ameliorating postmenopausal osteoporosis.

关键词： Dairy products Calcium Vitamin D Bone turnover markers Gut microbiota Postmenopausal osteoporosis

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Dynamic intrauterine crosstalk promotes porcine embryo implantation during early pregnancy

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Science China(Life Sciences) 2024年第8期67卷 1676-1696页

作者： Xupeng Zang Shengchen Gu Wenjing Wang Junsong Shi Jianyu Gan Qun Hu Chen Zhou Yue Ding Yanjuan He Lei Jiang Ting Gu Zheng Xu Sixiu Huang Huaqiang Yang Fanming Meng Zicong Li Gengyuan Cai Linjun Hong Zhenfang Wu State Key Laboratory of Swine and Poultry Breeding industry National Engineering Research Center for Breeding Swine IndustryCollege of Animal ScienceSouth China Agricultural UniversityGuangzhou 510642China Guangdong Provincial Key Laboratory of Agro-Animal Genomics and Molecular Breeding South China Agricultural UniversityGuangzhou 510642China Yunfu Subcenter of Guangdong Laboratory for Lingnan Modern Agriculture Yunfu 527300China Guangdong Key Laboratory of Animal Breeding and Nutrition Institute of Animal ScienceGuangdong Academy of Agricultural SciencesGuangzhou 510640China Key Laboratory of South China Modern Biological Seed industry Ministry of Agriculture and Rural AffairsGuangzhou 510520China

Dynamic crosstalk between the embryo and mother is crucial during ***,we comprehensively profile the single-cell transcriptome of pig peri-implantation embryos and corresponding maternal endometrium,identifying 4 different lineages in embryos and 13 cell types in the ***-specific gene expression characterizes 4 distinct trophectoderm subpopulations,showing development from undifferentiated trophectoderm to polar and mural *** expression of genes in different types of endometrial cells illustrates their molecular response to embryos during ***,we developed a novel tool,ExtraCellTalk,generating an overall dynamic map of maternal-foetal crosstalk using uterine luminal proteins as *** cross-species comparisons,we identified a conserved RBP4/STRA6 pathway in which embryonic-derived RBP4 could target the STRA6 receptor on stromal cells to regulate the interaction with other endometrial *** results provide insight into the maternal-foetal crosstalk during embryo implantation and represent a valuable resource for further studies to improve embryo implantation.

关键词： endometrial remodeling ExtraCellTalk implantation maternal-foetal crosstalk trophoblast

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Longitudinal investigation of mineral composition in human milk and its correlation with infant anthropometric outcomes among Tibetan mother-infant dyads during the first 6 months postpartum

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Food Science and Human Wellness 2024年第5期13卷 2857-2865页

作者： Xiaomei Zhang Yaling Wang Junying Zhao Weicang Qiao Yanpin Liu Lijun Chen national engineering research center of Dairy Health for Maternal and Child Beijing Sanyuan Foods Co.Ltd.Beijing 100163China Beijing engineering research center of Dairy Beijing Technical Innovation Center of Human Milk ResearchBeijing Sanyuan Foods Co.Ltd.Beijing 100163China

Nutrients in human milk,including minerals,relate growth and development of breast-fed *** mother-infant dyads possess unique characteristics on early nutrition due to their featured long-lasting *** study longitudinally investigated the relationship between the mineral composition in human milk and the Z-scores of infants among Tibetan mother-infant dyads during their first 6 months postpartum through a prospective cohort *** results show that the minerals of Na,Mg,K,Ca,Cu,Zn,and Se were of higher levels in colostrum than other lactation *** minerals were below the recommended values for infants according to Chinese dietary ***,a large proportion of infant Z-scores were below-2 as lactation period *** statistical analysis revealed that classifications and correlations in varying degrees were observed between minerals in human milk and infant *** findings will be advantageous for research upon Chinese early nutrition and progress of tailor-made infant formula.

关键词： Tibetan mother-infant dyads Minerals Z-scores Classification and correlation Breastfeeding

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Milk fat globule membrane supplementation protects againstβ-lactoglobul-ininduced food allergy in mice via upregulation of regulatory T cells and enhancement of intestinal barrier in a microbiota-derived short-chain fatty acids manner

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Food Science and Human Wellness 2024年第1期13卷 124-136页

作者： Han Gong Tiange Li Dong Liang Jingxin Gao Xiaohan Liu Xueying Mao Key Laboratory of Functional Dairy Ministry of EducationCollege of Food Science and Nutritional EngineeringChina Agricultural UniversityBeijing 100083China Henan engineering Technology research center of Food Processing and Circulation Safety Control College of Food Science and TechnologyHenan Agricultural UniversityZhengzhou 450002China Applied Nutrition I China National Center for Food Safety Risk AssessmentBeijing 100022China

Milk fat globule membrane(MFGM),which contains abundant glycoproteins and phospholipids,exerts beneficial effects on intestinal health and *** aim of this study was to evaluate the protective effects and possible underlying mechanisms of MFGM on cow’s milk allergy(CMA)in aβ-lactoglobulin(BLG)-induced allergic mice *** was supplemented to allergic mice induced by BLG at a dose of 400 mg/kg body *** demonstrated that MFGM alleviated food allergy symptoms,decreased serum levels of lipopolysaccharide,pro-inflammatory cytokines,immunoglobulin(Ig)E,Ig G1,and Th2 cytokines including interleukin(IL)-4,while increased serum levels of Th1 cytokines including interferon-γand regulatory T cells(Tregs)cytokines including IL-10 and transforming growth factor-β.MFGM modulated gut microbiota and enhanced intestinal barrier of BLG-allergic mice,as evidenced by decreased relative abundance of Desulfobacterota,Rikenellaceae,Lachnospiraceae,and Desulfovibrionaceae,while increased relative abundance of Bacteroidetes,Lactobacillaceae and Muribaculaceae,and enhanced expressions of tight junction proteins including Occludin,Claudin-1 and zonula ***,MFGM increased fecal short-chain fatty acids(SCFAs)levels,which elevated G protein-coupled receptor(GPR)43 and GPR109A *** increased expressions of GPR43 and GPR109A induced CD103+dendritic cells accumulation and promoted Tregs differentiation in mesenteric lymph node to a certain *** summary,MFGM alleviated CMA in a BLG-induced allergic mice model through enhancing intestinal barrier and promoting Tregs differentiation,which may be correlated with SCFAs-mediated activation of *** findings suggest that MFGM may be useful as a promising functional ingredient against CMA.

关键词： Cow’s milk allergy Milk fat globule membrane Gut microbiota Short-chain fatty acid G protein-coupled receptor Regulatory T cell

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Polycystic ovary syndrome: pathogenic mechanisms and nutritional therapeutic strategies

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Food Science and Human Wellness 2024年

作者： Yanyan Zhao Bin Liu Junying Zhao Yanpin Liu Hang Pan Yuying Yuan Xiaoyan Tian Weicang Qiao Zhenzhen Zhang Lijun Chen School of Public Health， Shandong Second Medical University national engineering research center of Dairy Health for Maternal and Child， Beijing Sanyuan Foods Co.Ltd. Beijing engineering research center of Dairy， Beijing Technical Innovation center of Human Milk research， Beijing Sanyuan Foods Co.Ltd. Key Laboratory of Dairy Science， Ministry of Education， Food Science College， Northeast Agricultural University

Polycystic ovary syndrome (PCOS) is the most common endocrine disease afflicting women of childbearing age. It is characterized by irregular menstruation， clinical or biochemical hyperandrogenemia， and polycystic ovary morphology. As a complex endocrine-metabolic syndrome， PCOS shares several endocrine-metabolic features with the metabolic syndrome (MS)， with insulin resistance at the core of their pathogenic mechanisms. PCOS and MS are interrelated and thus have similarities in treatment. Currently， the common treatment modalities for both are lifestyle intervention， medication， and surgery. More studies have shown that lifestyle intervention and regulation of intestinal flora are more effective and sustainable. However， progress towards treatment and cure is hampered by unclear etiology and mechanisms. This review aimed to summarize the relationship between PCOS and MS， the pathogenesis of metabolic disorders， and the current nutritional therapeutic strategies， especially lifestyle modifications and modulation of intestinal flora. Lifestyle interventions combined with the regulation of gut flora can be a new perspective for treatment. This perspective has a positive significance in the early diagnosis， adoption of personalized treatment plans， and prevention of complications in PCOS and MS. The need to prevent the occurrence of MS in patients with PCOS should be emphasized.

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Functional characterization of the promoter of carbonyl reductase 1 gene in porcine endometrial cells

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Journal of Zhejiang University-Science B(Biomedicine & Biotechnology) 2017年第7期18卷 626-634页

作者： Ai-ling ZHANG Xian-yue SUN Qi YIN Jian-hua ZENG Zhe ZHANG Jia-qi LI Hao ZHANG Guangdong Development center of Applied Ecology and Ecological engineering in Universities Biology and Food Engineering Institute Guangdong University of Education Guangdong Provincial Key Lab of Agro-Animal Genomics and Molecular Breeding National Engineering Research Center for Breeding Swine Industry National & Local Joint Engineering Research Center for Livestock and Poultry Breeding College of Animal Science South China Agricultural University

Prostaglandins （PGs） play a critical role in porcine reproduction, of which prostaglandin E2 （PGE2） and prostaglandin F2a （PGF2a） exert antiluteolytic and luteolysis actions, respectively. As a rate-limiting enzyme, carbonyl reductase 1 （CBR1） catalyzes the conversion of PGE2 to PGF2a. A high ratio of PGE2：PGF2a is beneficial to the establishment and maintenance of porcine pregnancy. PG is essential for the establishment of pregnancy which resembles the proinflammatory response and nuclear factor KB （NF-KB） is involved in the process. Bioinformatic analysis has shown that NF-KB is a possible factor bound to two cis-regulatory elements in CBRI promoter. In this study, we cloned the 2997 bp （-2875/＋122） of the promoter, and constructed six 5＇-deleted dual-luciferase reporter recombinant vectors. In endometrial cells, the region of P2 （-16401＋7） exhibited the greatest transcriptional activity at driving luciferase expression, but not significantly different from that of P1 （-2089/＋7）. The activity of P1, P2, and P3 （-1019/＋7） was highly significantly higher than that of others （P〈0.01）, suggesting that two positive regulatory elements were likely present in the regions of -1640/-1019 and -1019/-647. The results also showed that the -1640/ -647 region was indispensable for the promoter. The results of chromatin immunoprecipitation （CHIP） demonstrated that the NF-KB subunit p65 binds to one site around -15451-1531. Using four reference genes, we found that the over-expression of p65 enhanced the expression of CBR1 （P〈0.05） in porcine endometrial epithelial cells, while knockdown of the p65 did not down-regulate the CBRI expression. These results indicated that NF-KB （p65） could bind to the special element of CBR1 gene promoter in porcine endometrial epithelial cells in vitro. The binding site of NF-KB was a positive regulator for the CBR1 gene promoter, but was not necessary for the basic expression.

关键词： Pig Carbonyl reductase 1 (CBR1) Promoter NF-KB Endometrium

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A review of the amino acid metabolism in placental function response to fetal loss and low birth weight in pigs

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Journal of Animal Science and Biotechnology 2022年第4期13卷 987-998页

作者： Chengquan Tan Zihao Huang Wenyu Xiong Hongxuan Ye Jinping Deng Yulong Yin Guangdong Provincial Key Laboratory of Animal Nutrition Control National Engineering Research Center for Breeding Swine IndustryInstitute of Subtropical Animal Nutrition and FeedCollege of Animal ScienceSouth China Agricultural UniversityGuangzhou 510642GuangdongChina national engineering Laboratory for Pollution Control and Waste Utilization in livestock and Poultry Production Institute of Subtropical AgricultureChinese Academy of SciencesChangsha 410125HunanChina

The fertility of sows mainly depends on the embryo losses during gestation and the survival rate of the postfarrowing *** selection of highly-prolific sows has been mainly focused on the selection of genotypes with high ovulatory ***,in the early-and post-implantation stages,the rate of embryo losses was increased with the increase of *** the various factors,placental growth and development is the vital determinant for fetal survival,growth,and *** the potential survival of fetuses with deficient placental development,their life-conditions and growth can be damaged by a process termed intrauterine growth retardation(IUGR).The newborn piglets affected by IUGR are prone to increased morbidity and mortality rates;meanwhile,the growth,health and welfare of the surviving piglets will remain hampered by these conditions,with a tendency to exacerbate with *** amino acids such as glycine,proline,and arginine continue to increase with the development of placenta,which are not only essential to placental growth(including vascular growth)and development,but can also be used as substrates for the production of glutathione,polyamines and nitric oxide to benefit placental function in many ***,the exact regulation mechanism of these amino acids in placental function has not yet been *** this review,we provide evidence from literature and our own work for the role and mechanism of dietary functional amino acids during pregnancy in regulating the placental functional response to fetal loss and birth weight of *** review will provide novel insights into the response of nutritionally nonessential amino acids(glycine and proline)to placental development as well as feasible strategies to enhance the fertility of sows.

关键词： Amino acids Birth weight Fetal loss Pigs Placenta

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