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Longitudinal changes in body weight of breastfeeding mothers in the first year after delivery and its relationship with human milk composition:a combined longitudinal and cross-sectional cohort study

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Food Science and human Wellness 2024年第1期13卷 254-264页

作者： Huijuan Ruan Yajie Zhang Qingya Tang Xuan Zhao Xuelin Zhao Yi Xiang Wei Geng Yi Feng Wei Cai Department of Clinical Nutrition Xinhua Hospital Affiliated to Shanghai Jiao Tong University School of MedicineShanghai 200092China Shanghai Key Laboratory of Pediatric Gastroenterology and Nutrition Shanghai Institute of Pediatric ResearchShanghai 200092China Department of Pediatric Surgery Xinhua Hospital Affiliated to Shanghai Jiao Tong University School of MedicineShanghai 200092China

Objective:Postpartum weight retention(PPWR)is a common problem among women after *** main objectives of this study are to understand the changes in body weight of breastfeeding mothers during long-term follow-up and preliminarily explore the relationship between maternal body weight and human milk composition,including macronutrients,leptin,and ***:The study included a longitudinal cohort(122 mothers),and a cross-sectional cohort(37 mothers).The human milk,maternal weight,and dietary surveys were collected in the longitudinal cohort at different follow-up time points(1-14 days postpartum,2-4 months postpartum,5-7 months postpartum,and 12-17 months postpartum).The maternal body weight was analyzed using the responses in the survey questionnaires.A milk analyzer based on the mid-infrared spectroscopy(MIRS)was used to determine milk composition,and nutrition analysis software evaluated dietary *** the cross-sectional cohort,participating mothers were asked to provide blood and human milk samples and pertinent information related to maternal body *** body composition was measured by bioelectrical impedance analysis(BIA),while ELISA analyzed leptin and adiponectin in milk and ***:At 5-7 months postpartum,the PPWR of breastfeeding mothers was(2.46±3.59)*** 12-17 months postpartum,the PPWR was(0.98±4.06)*** was found to be negatively correlated with milk fat content within 14 days postpartum and positively correlated at 2-4 months *** addition,the maternal weight and body muscle mass were positively correlated with leptin and adiponectin in *** leptin was positively correlated with the mother’s body weight,body mass index(BMI),FAT percentage,and body fat mass,while plasma adiponectin did not correlate with any *** results also indicate that the PPWR did not correlate with leptin and adiponectin in plasma or ***:Breastfeeding mothers may retain considerable weight gai

关键词： human milk milk composition Body weight Body mass index(BMI) Weight gain Postpartum weight retention

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Exploring hematopoietic stem cell population in human milk and its benefits for infants:A scoping review

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Asian pacific Journal of Reproduction 2024年第3期13卷 107-114,I0001-I0006页

作者： Ghaniyyatul Khudri Dewi Sukmawati Department of Histology Faculty of MedicineUniversitas BaiturrahmahPadangIndonesia Department of Histology Faculty of MedicineUniversitas IndonesiaJakartaIndonesia

Objective:To comprehensively explore hematopoietic stem cells(HSCs)in human milk,understanding their molecular markers,isolation methods,benefits for infants,and potential medical ***:We conducted a scoping literature review following the PRISMA-ScR *** review included studies investigating HSCs in human milk,utilizing molecular markers such as CD34^(+),CD113^(+),and CD117^(+)for *** in vitro and in vivo studies exploring the morphology,function,and clinical implications of these cells were *** diverse range of papers reviewed were indexed in PubMed,Science Direct,Scopus,Sage Journals,and Google Scholar,published between 2010 and ***:This scoping review explored 577 articles and selected 13 studies based on our inclusion criteria,focusing on HSCs in human *** studies dilute samples prior to HSC isolation,followed by detection using markers such as CD34^(+),CD113^(+),and CD117^(+),with flow cytometry serving as the primary analysis tool,focusing on their isolation and detection *** no definitive benefits have been conclusively established,there is a strong belief in the potential of HSCs to positively impact infant immunity,growth,and tissue ***:This review presents significant evidence supporting the presence of HSCs in human milk,identified by markers such as CD34^(+),CD113^(+),and CD117^(+).These cells show considerable potential in enhancing infant health,including immunity,tissue repair,cognitive development,and gastrointestinal *** methodological variations in isolation and detection techniques,the collective findings underscore the potential clinical relevance of HSCs in human ***,this review highlights the noninvasive accessibility of human milk as a source of HSCs and emphasizes the need for further research to unlock their therapeutic potential.

关键词： CD34^(+) Cellular components Hematopoietic stem cells human milk Stem cells

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Levels of synthetic musk fragrances in human milk from three cities in the Yangtze River Delta in Eastern China

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Journal of Environmental Sciences 2011年第6期23卷 983-990页

作者： Xiaolan Zhang Gaofeng Liang Xiangying Zeng Jing Zhou Guoying Sheng Jiamo Fu Institute of Environmental Pollution and Health School of Environmental and Chemical Engineering Shanghai University Shanghai 200444 China State Key Laboratory of Organic Geochemistry Guangzhou Institute of Geochemistry Chinese Academy of Sciences Guangzhou 510640 China

Synthetic musks are used as additives in many household *** absorption into the human body,they accumulate and their concentrations in human milk reflect both the mother and her infant＇s exposure *** of four synthetic musks,musk xylene（1-tert-butyl-2,6-dimethyl-2,4,6-trinitrobenzene,MX）,musk ketone（4-tert-butyl-2,6-dimethyl-3,5-dinitroacetophenone,MK）,1,3,4,6,7,8-hexahydro-4,6,6,7,8,8-hexamethylcyclopenta[γ]-2-benzopyran（HHCB） and 7-acetyl-1,1,3,4,4,6-hexamethyl-1,2,3,4tetrahydronaphthalene（AHTN）,were determined in human milk samples collected from Shanghai,Wuxi,and Shaoxing in Eastern *** four synthetic musks were found in most samples analyzed,with HHCB the dominant component followed by *** median（mean） values for HHCB,AHTN,MX and MK concentrations were 63（82）,5（12）,17（24） and 4（9） ng/g lipid weight,*** data suggested the total synthetic musk contamination was low,and the distribution percentage was HHCB 〉 MX 〉 AHTN ≈ *** relative high ratio of nitro to polycylic musk indicated that nitro musks were still widely *** musk concentrations in these cities were not significantly different from each other（p 〉 0.05）.Principal components score plots were obtained,which showed similar exposure *** amount of total synthetic musks in human milk were not associated with mother＇s age,although HHCB was significantly correlated with AHTN（p 〈 0.05）.Daily ingestion of HHCB,AHTN,MX and MK for infants from human milk were estimated as（2526 ± 2926）,（370 ± 524）,（7391 ± 832）,and（277 ± 462） ng/day,*** doses were 1-2 orders of magnitude below the provisional tolerable daily intakes.

关键词： synthetic musks human milk exposure of infant

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Application of UPLC-MS/MS Method for Analyzing B-vitamins in human milk

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Biomedical and Environmental Sciences 2015年第10期28卷 738-750页

作者： REN Xiang Nan YIN Shi An YANG Zhen Yu YANG Xiao Guang SHAO Bing REN Yi Ping ZHANG Jing National Institute for Nutrition and Health Chinese Center for Disease Control and Prevention Beijing Key Laboratory of Diagnostic and Traceability Technologies for Food Poisoning Beijing Research Center for Preventive Medicine Zhejiang Provincial Centre for Disease Prevention and Control

Objective To determine ten B-vitamins in human milk by ultra-high performance liquid chromatography-tandem mass spectrometry （UPLC-MS/MS）. Methods The pretreated human milk samples were adequately separated and quantified within 11 min by UPLC-MS/MS with an Acquity UPLC HSS T3 column （2.1×100 mm, 1.8 μm）. The mobile phase was a gradient of 2.5 mmol/L ammonium formate aqueous solution and acetonitrile at a flow rate of 0.35 mL/min. Stable isotope internal standards were used in the analysis, to correct for the method variability, including matrix and ionization effects. The homogenized human milk samples were deproteinzed using methanol, unknown contaminants were extracted with diethyl ether and hydrophobic phase was discarded. The analytes were monitored via ESl＋ionization and detected in multiple reaction monitoring （MRM） with three acquisition functions. Results Calibration curves ranged from 0.5-160 ng/mL （thiamin, riboflavin, biotin, nicotinic acid, pyridoxine, pyridoxamine, pyridoxal）, and 2.5-800 ng/mL （pantothenic acid, FAD and nicotinamide）（R^2=0.990-0.999）. The relative recovery ranged from 80.1% to 120.2%; accuracy was determined to be 98.3% to 108.0%. Intra-day and inter-day variation were 3.4%-19.9% and 5.9%-18.1%, respectively. The limit of quantification （LOQ） for all vitamins was between 0.25 and 3 lag/L. Conclusion This method was successfully applied for simultaneous analysis of ten B-vitamins in human milk.

关键词： B-vitamins human milk UPLC-MS/MS

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The levels of osteopontin in human milk of Chinese mothers and its associations with maternal body composition

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Food Science and human Wellness 2022年第5期11卷 1419-1427页

作者： Huijuan Ruan Qingya Tang Xuan Zhao Yajie Zhang Xuelin Zhao Yi Xiang Wei Geng Yi Feng Wei Cai Department of Clinical Nutrition Xinhua Hospital Affi liated to Shanghai Jiao Tong University School of MedicineShanghai 200092China Shanghai Key Laboratory of Pediatric Gastroenterology and Nutrition Shanghai Institute of Pediatric ResearchXinhua Hospital Affi liated to Shanghai Jiao Tong University School of Medicine Shanghai 200092China Department of Pediatric Surgery Xinhua Hospital Affi liated to Shanghai Jiao Tong University School of MedicineShanghai 200092China

Objective:This study explored the content and change trend of osteopontin(OPN)in breast milk and analyzed the relationship between OPN in breast milk and maternal body ***:Breast-feeding mothers were recruited in Xinhua Hospital to collect breast milk and provide pertinent *** content of OPN in breast milk was determined by enzyme-linked immunosorbent assay(ELISA).Determination of protein content in human milk was performed via the BCA *** maternal body composition was determined by the bioelectrical impedance *** glucocorticoid receptorα,adiponectin,insulin,and leptin were determined by *** 25 was used for statistical ***:In the longitudinal cohort,106 mothers provided 318 milk samples at different lactation *** results indicate that the OPN showed dynamic *** levels were(343.2±163.5)mg/L during 1-14 days postpartum,(228.4±121.5)mg/L during 2-4 months postpartum,and(204.8±100.6)mg/L during 5-7 months *** content of OPN was very high in the first 1-14 days postpartum and then *** with early postpartum milk,the OPN content of mature milk showed a significant relationship with maternal weight-related *** body composition analysis was performed in 88 women at the mature milk *** results show that the OPN in milk is related to the mother’s body composition,especially the content of skeletal muscle mass,but not to relevant humoral ***:The levels of OPN in human milk of Chinese mothers showed dynamic changes with the extension of lactation *** OPN in human milk was related to the mother’s body composition but not related to related humoral factors.

关键词： Osteopontin human milk Body composition Breastfeeding

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α-Tocopherol Concentrations in human milk from Mothers of Preterm and Full-term Infants in China

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Biomedical and Environmental Sciences 1993年第3期6卷 259-262页

作者： ZHENGMing－Gi ZHANGGuo－Feng 等 DepartmentofPediatrics GuilinmEDICALCollegeGuilinChina DepartmentofPediatrics GuilinmEDICALCollege

a-Tocopherol content in breast milk of 28 mothers who delivered preterm infants (preterm milk) and 43 mothers who delivered full-term infants (term milk) were measured, a-Tocopherol concentration in preterm milk did not differ significantly from that of term milk in the first 12 days of lactation (P>0.05). There is a higher a-tocopherol concentration in the early colostrum, however, it decreases with the lactational days significantly. The investigation suggests that early breast-feeding would be beneficial to the improvement of vitamin E intake in neonates during the early life.

关键词： Asia Biology China Comparative Studies Demographic Factors Developing Countries Eastern Asia Health human milk Infant Nutrition Lactation Maternal Physiology Nutrition Physiology Population Population Dynamics Pregnancy Pregnancy Outcomes Premature Birth Reproduction Research Report Studies Time Factors Vitamins

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The Impact of the Block Freeze Concentration Process on human milk Properties Intended for Feeding Newborns

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Food and Nutrition Sciences 2017年第4期8卷 402-418页

作者： Ana Claudia Berenhauser Maria Helena Machado Canella Isabella de Bona Munoz Elane Schwinden Prudencio J.Vladimir Oliveira Jane Mara Block Maternity Ward of UFSC UFSCFlorianópolisBrazil Department of Food Science and Technology UFSCFlorianópolisBrazil Department of Chemical and Food Engineering UFSCFlorianópolisBrazil

human milk is the ideal nutritional support for premature neonates. Considering the need for aggregating nutritional value to human milk provided to such vulnerable group of infants, human milk was concentrated by the block freeze concentration technique. The effects of freeze concentration on the physicochemical properties, the efficiency of the process, color parameters, and the density and dynamic viscosity of human milk were assessed. The freeze concentration technology was used to successfully concentrate human milk to a factor equal to 180.48% and 72% of total solid retention in the second stage of freeze concentration. The values observed in the concentrates for the biochemical properties showed that the fraction of concentrated fluid human milk of the second stage (C2) presented elevated amounts of carbohydrates, protein and energy. The elevated caloric value observed in the ice fraction of the first stage (I1) refers to the retention of lipids in it. When added to human milk, C2 and I1 may satisfy the special requisites of nutrients and energy to guarantee the growth and development of preterm neonates.

关键词： Freeze Concentration human milk human milk Fortifier Premature Neonate

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Comparative Analysis of Hydrolytic Amino Acids in human and Cow milk of Different Lactation Periods

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Journal of Northeast Agricultural University(English Edition) 2022年第1期29卷 69-78页

作者： Zhang Juan Chen Jia-li Rayhnigul Abdlla Li Mo-han Yu Hai-kun Zhang Xiu-min Zheng Yan Yue Xi-qing College of Food Science Shenyang Agricultural UniversityShenyang 110866China Beijing Academy of Food Sciences Beijing100068China

In this study,the hydrolytic amino acids of Chinese human and Holstein cow milk of different lactation periods were analyzed by the advanced isobaric tags for relative and absolute quantitation(iTRAQ)combined with the high performance liquid chromatography-mass spectrometry(HPLC-MS/MS)*** total contents of the hydrolytic amino acids in cow colostrum,cow mature milk,human colostrum and human mature milk were 5.00,4.38,2.12 and 2.48 g·L^(-1),*** these,the contents of the hydrolytic amino acids in cow milk were higher than those in human milk,indicating a decreasing trend with the prolongation of ***,principal component and hierarchical cluster analyses were used to further screen the differentially expressed amino *** results enhanced the understanding of the hydrolytic amino acids in cow and human milk across different lactation periods,which could provide potential directions for newborn dairy powder and nutritious supplementary.

关键词： cow milk human milk lactation period hydrolytic amino acid iTRAQ HPLC-MS/MS

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Gut microbiota in preterm infants receiving breast milk or mixed feeding

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World Journal of Clinical Pediatrics 2024年第2期13卷 135-145页

作者： Sandra Gabriela Sánchez-González Bárbara Gabriela Cárdenas-del-Castillo Elvira Garza-González Gerardo R Padilla-Rivas Isaías Rodríguez-Balderrama Consuelo Treviño-Garza Fernando Félix Montes-Tapia Gerardo C Palacios-Saucedo Anthony Gutiérrez-Rodríguez Manuel Enrique de-la-O-Cavazos Department of Pediatrics Hospital Universitario“Dr.JoséEleuterio González”Universidad Autónoma de Nuevo LeónMonterrey 64460Nuevo LeónMéxico Departamento de Bioquímica y Medicina Molecular Universidad Autónoma de Nuevo LeónMonterrey 64460Nuevo LeónMéxico Department of Biochemistry and Molecular Medicine Universidad Autónoma de Nuevo LeónMonterrey 64460Nuevo LeónMéxico Department of Pediatric Surgery Hospital Universitario"Dr.JoséEleuterio González"Monterrey 64460Nuevo LeónMéxico

BACKGROUND Preterm birth is the leading cause of mortality in newborns,with very-low-birthweight infants usually experiencing several *** milk is considered the gold standard of nutrition,especially for preterm infants with delayed gut colonization,because it contains beneficial microorganisms,such as Lactobacilli and *** To analyze the gut microbiota of breastfed preterm infants with a birth weight of 1500 g or *** An observational study was performed on preterm infants with up to 36.6 wk of gestation and a birth weight of 1500 g or less,born at the University Hospital ***éEleuterio González at Monterrey,Mexico.A total of 40 preterm neonates were classified into breast milk feeding(BM)and mixed feeding(MF)groups(21 in the BM group and 19 in the MF group),from October 2017 to June *** samples were collected before they were introduced to any feeding *** full enteral feeding was achieved,the composition of the gut microbiota was analyzed using 16S rRNA gene *** variables were compared using Student’s t-test or using the Mann–Whitney U test for nonparametric ***,evenness,equitability,Margalef’s index,Fisher’s alpha,Chao-1 index,and Shannon’s diversity index were also *** No significant differences were observed at the genus level between the *** comparison indicated higher counts of Alphaproteobacteria and Betaproteobacteria in the initial compared to the final sample of the BM group(P<0.011).In addition,higher counts of Gammaproteobacteria were detected in the final than in the initial sample(P=0.040).According to the Margalef index,Fisher’s alpha,and Chao-1 index,a decrease in species richness from the initial to the final sample,regardless of the feeding type,was observed(P<0.050).The four predominant phyla were Bacteroidetes,Actinobacteria,Firmicutes,and Proteobacteria,with Proteobacteria being the most ***,no significant differences were

关键词： Gut microbiota human milk Preterm infant Proteobacteria Very low birth weight 16S rRNA

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Accumulation of polybrominated diphenyl ethers in breast milk of women from an e-waste recycling center in China

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Journal of Environmental Sciences 2017年第2期29卷 305-313页

作者： Xinghong Li Yuan Tian Yun Zhang Yujie Ben Quanxia Lv State Key Laboratory of Environmental Chemistry and Ecotoxicology Research Center of Eco-Environment SciencesChinese Academy of Sciences Department of Environmental Science and Engineering Beijing Technology and Business University

Polybrominated diphenyl ethers（PBDEs） can be transferred to infants through the ingestion of breast milk, resulting in potential health risk. In this study, PBDEs, hydroxylated polybrominated diphenyl ethers（OH-PBDEs） and 2,2′,4,4′,5,6′-hexachlorobiphenyl（CB-153）in human milk from women living adjacent to e-waste recycling sites of Wenling,China, were investigated. The median level of PBDEs in samples from residents living in the e-waste recycling environment 〉 20 years（R20group, 19.5 ng/g lipid weight（lw））was significantly higher than that for residents living in Wenling 〈 3 years（R3group,3.88 ng/g lw）（p 〈 0.05）, likely ascribable to specific exposure to PBDEs from e-waste recycling activities. In the R20 group, most congeners（except for BDE-209） were correlated with each other（p 〈 0.05）. Moreover, CB-153 showed significant association with most PBDE congeners, rather than BDE-209. The relationship indicated that most BDE congeners other than BDE-209 shared common sources and/or pathways with CB-153, e.g., dietary ingestion. The correlations between BDE-209 and other congeners were different in the two groups, likely suggesting their different exposure sources and/or pathways for *** estimated dietary intake of PBDEs for infants via breast milk was lower than the minimum value affecting human health, the PBDE exposure of infants should be of great concern because of their potential effect on the development of neonates over long-term exposure. OH-PBDEs were not detected in the collected samples, which is in accordance with reports in published literature, likely indicating that they were not apt to be accumulated in human milk.

关键词： PBDEs OH-PBDEs human milk E-waste

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