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Thangaraj SV, Ghnenis A, Pallas B, Vyas AK, Gregg B, Padmanabhan V. Comparative lipidome study of maternal plasma, milk, and lamb plasma in sheep. Sci Rep 2024; 14:7401. [PMID: 38548847 PMCID: PMC10978966 DOI: 10.1038/s41598-024-58116-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2023] [Accepted: 03/25/2024] [Indexed: 04/01/2024] Open
Abstract
Lipids play a critical role in neonate development and breastmilk is the newborn's major source of lipids. Milk lipids directly influence the neonate plasma lipid profile. The milk lipidome is dynamic, influenced by maternal factors and related to the maternal plasma lipidome. The close inter-relationship between the maternal plasma, milk and neonate plasma lipidomes is critical to understanding maternal-child health and nutrition. In this exploratory study, lipidomes of blood and breast milk from Suffolk sheep and matched lamb blood (n = 13), were profiled on day 34 post birth by untargeted mass spectrometry. Comparative multivariate analysis of the three matrices identified distinct differences in lipids and class of lipids amongst them. Paired analysis identified 346 differential lipids (DL) and 31 correlated lipids (CL) in maternal plasma and milk, 340 DL and 32 CL in lamb plasma and milk and 295 DL and 16 CL in maternal plasma and lamb plasma. Conversion of phosphatidic acid to phosphatidyl inositol was the most active pathway in lamb plasma compared to maternal plasma. This exploratory study illustrates the partitioning of lipids across maternal plasma, milk and lamb plasma and the dynamic relationship between them, reiterating the need to study these three matrices as one biological system.
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Affiliation(s)
- Soundara Viveka Thangaraj
- Department of Pediatrics, University of Michigan, 7510 MSRB 1, 1500 W. Medical Center Drive, Ann Arbor, MI, 48109, USA
| | - Adel Ghnenis
- Department of Pediatrics, University of Michigan, 7510 MSRB 1, 1500 W. Medical Center Drive, Ann Arbor, MI, 48109, USA
| | - Brooke Pallas
- Unit for Laboratory Animal Medicine, University of Michigan, Ann Arbor, MI, USA
| | - Arpita Kalla Vyas
- Department of Pediatrics, Washington University School of Medicine in St. Louis, St. Louis, MO, USA
| | - Brigid Gregg
- Department of Pediatrics, University of Michigan, 7510 MSRB 1, 1500 W. Medical Center Drive, Ann Arbor, MI, 48109, USA
| | - Vasantha Padmanabhan
- Department of Pediatrics, University of Michigan, 7510 MSRB 1, 1500 W. Medical Center Drive, Ann Arbor, MI, 48109, USA.
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Abdelrahmman K, Borg B, Mihrshahi S, Gribble K. Facilitators and Barriers of Wet Nursing from Antiquity to the Present: A Narrative Review with Implications for Emergencies. Breastfeed Med 2024; 19:155-165. [PMID: 38489525 DOI: 10.1089/bfm.2023.0318] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 03/17/2024]
Abstract
Background: If maternal breastfeeding is not possible, wet nursing allows infants to receive the nutrition and protection against disease that breastfeeding provides. Such protection may be particularly valuable in emergencies. However, while wet nursing is recommended in the Operational Guidance on Infant and Young Child Feeding in Emergencies it is underutilized. This narrative review aimed to develop an understanding of wet nursing practice across time and location, and why wet nursing is currently so little supported to inform interventions to support wet nursing in emergencies. Method: Medline and Embase were searched for "wet nursing," "cross-nursing," "shared breastfeeding," and "non-maternal nursing". Included articles were inductively analyzed to identify positive and negative factors associated with previous wet nursing practice. Results: This review included 74 records. Our analysis of the wet nursing literature includes historical and contemporary themes with milk kinship and wet nursing as risky being shared themes across time periods. Our analysis revealed that it is how wet nursing is undertaken that influences whether it benefits women, children, and societies or not. Facilitators and barriers to wet nursing in emergencies related to infant mortality rates, cultural and individual support for wet nursing, availability of wet nurses, and resources to support wet nursing. Conclusion: Understanding the conditions under which wet nursing has positive outcomes and what can be done to facilitate beneficial wet nursing practices will assist in enabling wet nursing to be more commonly implemented in emergencies.
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Affiliation(s)
- Khadija Abdelrahmman
- Department of Health Sciences, Faculty of Medicine, Health and Human Sciences, Macquarie University, Sydney, Australia
| | - Bindi Borg
- Department of Health Sciences, Faculty of Medicine, Health and Human Sciences, Macquarie University, Sydney, Australia
| | - Seema Mihrshahi
- Department of Health Sciences, Faculty of Medicine, Health and Human Sciences, Macquarie University, Sydney, Australia
| | - Karleen Gribble
- School of Nursing and Midwifery, Western Sydney University, Sydney, Australia
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Chen B, Jia Q, Chen Z, You Y, Liu Y, Zhao J, Chen L, Ma D, Xing Y. Comparative evaluation of enriched formula milk powder with OPO and MFGM vs. breastfeeding and regular formula milk powder in full-term infants: a comprehensive study on gut microbiota, neurodevelopment, and growth. Food Funct 2024; 15:1417-1430. [PMID: 38224157 DOI: 10.1039/d3fo03392a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2024]
Abstract
This study investigated the non-inferiority of feeding term healthy infants with enriched formula milk powder containing 1,3-dioleoyl-2-palmitoylglycerol (OPO) and milk fat globular membrane (MFGM), compared to breast milk, in terms of the formation of gut microbiota, neurodevelopment and growth. Infants were divided into three groups: breast milk group (BMG, N = 50), fortified formula group (FFG, N = 17), and regular formula group (RFG, N = 12), based on the feeding pattern. Growth and development information was collected from the infants at one month, four months, and six months after the intervention. Fecal samples were collected from infants and analyzed for gut microbiota using 16S ribosomal DNA identification. The study found that at the three time points, the predominant bacterial phyla in FFG and BMG were Proteobacteria, Firmicutes, and Bacteroidetes, which differed from RFG. The abundance of Bifidobacterium in the RFG was lower than the FFG (one month, p = 0.019) and BMG (four months, p = 0.007). The abundance of Methanoprebacteria and so on (genus level) are positively correlated with bone mineral density (BMD) of term infants, and have the potential to be biomarkers for predicting BMD. The abundance of beta-galactosidase, a protein that regulates lactose metabolism and sphingoid metabolism, was higher in FFG (six months, p = 0.0033) and BMG (one month, p = 0.0089; four months, p = 0.0005; six months, p = 0.0005) than in the RFG group, which may be related to the superior bone mineral density and neurodevelopment of infants in the FFG and BMG groups than in the RFG group. Our findings suggest that formula milk powder supplemented with OPO and MFGM is a viable alternative to breastfeeding, providing a practical alternative for infants who cannot be breastfed for various reasons.
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Affiliation(s)
- Botian Chen
- School of Public Health, Peking University Health Science Center, 38 Xueyuan Road, Haidian District, Beijing 100191, China.
- Department of Pediatrics, Peking University Third Hospital, No.49 North Garden Rd., Haidian District, Beijing 100191, China.
| | - Qiong Jia
- Department of Pediatrics, Peking University Third Hospital, No.49 North Garden Rd., Haidian District, Beijing 100191, China.
| | - Zekun Chen
- Vanke School of Public Health, Tsinghua University, Beijing 100084, China
| | - Yanxia You
- Department of Pediatrics, Peking University Third Hospital, No.49 North Garden Rd., Haidian District, Beijing 100191, China.
| | - Yanpin Liu
- National Engineering Research Center of Dairy Health for Maternal and Child, Beijing Sanyuan Foods Co. Ltd., Beijing 100163, China.
| | - Junying Zhao
- National Engineering Research Center of Dairy Health for Maternal and Child, Beijing Sanyuan Foods Co. Ltd., Beijing 100163, China.
| | - Lijun Chen
- National Engineering Research Center of Dairy Health for Maternal and Child, Beijing Sanyuan Foods Co. Ltd., Beijing 100163, China.
| | - Defu Ma
- School of Public Health, Peking University Health Science Center, 38 Xueyuan Road, Haidian District, Beijing 100191, China.
| | - Yan Xing
- Department of Pediatrics, Peking University Third Hospital, No.49 North Garden Rd., Haidian District, Beijing 100191, China.
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4
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O'Sullivan A, Brady E, Lafferty L, O'Shea F, O'Regan Z, Meurs N, Baldini M, Gengatharan J, Metallo CM, Wallace M. Long chain monomethyl branched-chain fatty acid levels in human milk vary with gestational weight gain. Prostaglandins Leukot Essent Fatty Acids 2024; 201:102607. [PMID: 38277883 DOI: 10.1016/j.plefa.2024.102607] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/13/2023] [Revised: 01/09/2024] [Accepted: 01/15/2024] [Indexed: 01/28/2024]
Abstract
Breastfeeding is an important determinant of infant health and there is immense interest in understanding its metabolite composition so that key beneficial components can be identified. The aim of this research was to measure the fatty acid composition of human milk in an Irish cohort where we examined changes depending on lactation stage and gestational weight gain trajectory. Utilizing a chromatography approach optimal for isomer separation, we identified 44 individual fatty acid species via GCMS and showed that monomethyl branched-chain fatty acids(mmBCFA's), C15:0 and C16:1 are lower in women with excess gestational weight gain versus low gestational weight gain. To further explore the potential contribution of the activity of endogenous metabolic pathways to levels of these fatty acids in milk, we administered D2O to C57BL/6J dams fed a purified lard based high fat diet (HFD) or low-fat diet during gestation and quantified the total and de novo synthesized levels of fatty acids in their milk. We found that de novo synthesis over three days can account for between 10 and 50 % of mmBCFAs in milk from dams on the low-fat diet dependent on the branched-chain fatty acid species. However, HFD fed mice had significantly decreased de novo synthesized fatty acids in milk resulting in lower total mmBCFAs and medium chain fatty acid levels. Overall, our findings highlight the diverse fatty acid composition of human milk and that human milk mmBCFA levels differ between gestational weight gain phenotypes. In addition, our data indicates that de novo synthesis contributes to mmBCFA levels in mice milk and thus may also be a contributory factor to mmBCFA levels in human milk. Given emerging data indicating mmBCFAs may be beneficial components of milk, this study contributes to our knowledge around the phenotypic factors that may impact their levels.
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Affiliation(s)
- Aifric O'Sullivan
- Institute of Food and Health, School of Agriculture and Food Science, University College Dublin, Belfield, D04 V1W8, Dublin, Ireland
| | - Emer Brady
- Institute of Food and Health, School of Agriculture and Food Science, University College Dublin, Belfield, D04 V1W8, Dublin, Ireland
| | - Lucy Lafferty
- Institute of Food and Health, School of Agriculture and Food Science, University College Dublin, Belfield, D04 V1W8, Dublin, Ireland
| | - Fiona O'Shea
- Institute of Food and Health, School of Agriculture and Food Science, University College Dublin, Belfield, D04 V1W8, Dublin, Ireland
| | - Zoe O'Regan
- Institute of Food and Health, School of Agriculture and Food Science, University College Dublin, Belfield, D04 V1W8, Dublin, Ireland
| | - Noah Meurs
- Department of Bioengineering, University of California, San Diego, 9500 Gilman Drive, La Jolla, 92093, CA, USA
| | - Michelle Baldini
- Department of Bioengineering, University of California, San Diego, 9500 Gilman Drive, La Jolla, 92093, CA, USA
| | - Jivani Gengatharan
- Department of Bioengineering, University of California, San Diego, 9500 Gilman Drive, La Jolla, 92093, CA, USA
| | - Christian M Metallo
- Molecular and Cellular Biology Laboratory, Salk Institute, 10010N. Torrey Pines Rd., La Jolla, 92037, CA, USA
| | - Martina Wallace
- Institute of Food and Health, School of Agriculture and Food Science, University College Dublin, Belfield, D04 V1W8, Dublin, Ireland.
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Romero M, Calvo L, Morales JI, Magro A, Rodríguez AI, Segura J, Escudero R, López-Bote C, Olivares Á. Short- and Long-Term Effects of Split-Suckling in Pigs According to Birth Weight. Animals (Basel) 2023; 13:3521. [PMID: 38003139 PMCID: PMC10668783 DOI: 10.3390/ani13223521] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2023] [Revised: 11/09/2023] [Accepted: 11/11/2023] [Indexed: 11/26/2023] Open
Abstract
Forty-eight litters were used, with a total number of 645 piglets involved in the study. The split-suckling technique was applied to half of the litters at the end of farrowing by removing the heaviest piglets over three periods of 1 h. The piglets were individually weighed at 0, 1 d, and at weaning. Piglet losses were recorded daily. Traceability was maintained until the carcass splitting and meat analysis took place. Carcasses were eviscerated and weighed individually. Total mortality at weaning was affected by body weight, where the low-body-weight piglets showed a mortality rate almost four times higher than that of the normal-weight piglets. Mortality was highest in the first days of life, especially in the low-body-weight piglets. At weaning, split-suckling treatment caused a slight increase in mortality compared to the control group piglets (25% vs. 17.1%). Split-suckling had a positive effect on weight gain during the first 24 h of life (p = 0.014), and there was an interaction between treatment and parity (p = 0.007), with split-suckling being more effective in the primiparous sows compared to the multiparous sows. The piglets from litters receiving the split-suckling treatment had a lower average daily gain during the lactation period (p < 0.001) than the piglets from the control group. Weight gain during the first 24 h of life of the piglets subjected to split-suckling was higher than those of the control group. A lower IgG and α-tocopherol in plasma in the heavier piglets subjected to split-suckling treatment was observed in comparison to their respective control. The piglets from litters receiving the treatment showed a lower average daily gain during the lactation period (p < 0.001) than the piglets from the control group. No difference in slaughter weight was observed according to treatment. The pigs which received split-suckling treatment showed lower subcutaneous fat thickness (p < 0.0013) and higher lean meat yield (p < 0.0027), this effect being more marked in pigs from primiparous sows. Intramuscular fat concentration was higher in the Longissimus Dorsi muscle of the low-body-weight piglets. In the pigs that received split-suckling treatment, a higher concentration of C18:3n-3 (p = 0.036) and a tendency towards a higher concentration of C18:2n-6 (p = 0.107) and unsaturation index (p = 0.113) was observed in intramuscular fatty acids at slaughter, together with a lower concentration of C16:0 (p = 0.053) and SFA (p = 0.064). In conclusion, long-term response to split-suckling, particularly in low-birth-weight piglets, suggests an alteration in adiposity and metabolic regulation in these piglets that receive high levels of colostrum.
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Affiliation(s)
- María Romero
- Departamento de Producción Animal, Facultad de Veterinaria, Universidad Complutense, Avda. Puerta de Hierro s/n, 28040 Madrid, Spain
- Copiso, Avda. de Valladolid, 105, 42005 Castilla y León, Spain
| | - Luis Calvo
- Incarlopsa, Ctra. N-400, Km. 95,4, 16400 Castilla La Mancha, Spain
| | | | - Antonio Magro
- Departamento de Producción Animal, Facultad de Veterinaria, Universidad Complutense, Avda. Puerta de Hierro s/n, 28040 Madrid, Spain
| | | | - José Segura
- Departamento de Producción Animal, Facultad de Veterinaria, Universidad Complutense, Avda. Puerta de Hierro s/n, 28040 Madrid, Spain
| | - Rosa Escudero
- Departamento de Producción Animal, Facultad de Veterinaria, Universidad Complutense, Avda. Puerta de Hierro s/n, 28040 Madrid, Spain
| | - Clemente López-Bote
- Departamento de Producción Animal, Facultad de Veterinaria, Universidad Complutense, Avda. Puerta de Hierro s/n, 28040 Madrid, Spain
| | - Álvaro Olivares
- Departamento de Producción Animal, Facultad de Veterinaria, Universidad Complutense, Avda. Puerta de Hierro s/n, 28040 Madrid, Spain
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George AD, Paul S, Wang T, Huynh K, Giles C, Mellett N, Duong T, Nguyen A, Geddes D, Mansell T, Saffery R, Vuillermin P, Ponsonby AL, Burgner D, Burugupalli S, Meikle PJ. Defining the lipid profiles of human milk, infant formula, and animal milk: implications for infant feeding. Front Nutr 2023; 10:1227340. [PMID: 37712002 PMCID: PMC10499237 DOI: 10.3389/fnut.2023.1227340] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2023] [Accepted: 08/15/2023] [Indexed: 09/16/2023] Open
Abstract
Background Breastfed infants have lower disease risk compared to formula-fed infants, however, the mechanisms behind this protection are unknown. Human milk has a complex lipidome which may have many critical roles in health and disease risk. However, human milk lipidomics is challenging, and research is still required to fully understand the lipidome and to interpret and translate findings. This study aimed to address key human milk lipidome knowledge gaps and discuss possible implications for early life health. Methods Human milk samples from two birth cohorts, the Barwon Infant Study (n = 312) and University of Western Australia birth cohort (n = 342), were analysed using four liquid chromatography-mass spectrometry (LC-MS) methods (lipidome, triacylglycerol, total fatty acid, alkylglycerol). Bovine, goat, and soy-based infant formula, and bovine and goat milk were analysed for comparison. Composition was explored as concentrations, relative abundance, and infant lipid intake. Statistical analyses included principal component analysis, mixed effects modelling, and correlation, with false discovery rate correction, to explore human milk lipidome longitudinal trends and inter and intra-individual variation, differences between sample types, lipid intakes, and correlations between infant plasma and human milk lipids. Results Lipidomics analysis identified 979 lipids. The human milk lipidome was distinct from that of infant formula and animal milk. Ether lipids were of particular interest, as they were significantly higher, in concentration and relative abundance, in human milk than in formula and animal milk, if present in the latter samples at all. Many ether lipids were highest in colostrum, and some changed significantly through lactation. Significant correlations were identified between human milk and infant circulating lipids (40% of which were ether lipids), and specific ether lipid intake by exclusively breastfed infants was 200-fold higher than that of an exclusively formula-fed infant. Conclusion There are marked differences between the lipidomes of human milk, infant formula, and animal milk, with notable distinctions between ether lipids that are reflected in the infant plasma lipidome. These findings have potential implications for early life health, and may reveal why breast and formula-fed infants are not afforded the same protections. Comprehensive lipidomics studies with outcomes are required to understand the impacts on infant health and tailor translation.
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Affiliation(s)
- Alexandra D. George
- Metabolomics Laboratory, Baker Heart and Diabetes Institute, Melbourne, VIC, Australia
- Baker Department of Cardiometabolic Health, University of Melbourne, Parkville, VIC, Australia
- Department of Cardiovascular Research, Translation and Implementation, La Trobe University, Bundoora, VIC, Australia
| | - Sudip Paul
- Metabolomics Laboratory, Baker Heart and Diabetes Institute, Melbourne, VIC, Australia
- Baker Department of Cardiometabolic Health, University of Melbourne, Parkville, VIC, Australia
- Department of Cardiovascular Research, Translation and Implementation, La Trobe University, Bundoora, VIC, Australia
| | - Tingting Wang
- Metabolomics Laboratory, Baker Heart and Diabetes Institute, Melbourne, VIC, Australia
- Department of Cardiovascular Research, Translation and Implementation, La Trobe University, Bundoora, VIC, Australia
| | - Kevin Huynh
- Metabolomics Laboratory, Baker Heart and Diabetes Institute, Melbourne, VIC, Australia
- Baker Department of Cardiometabolic Health, University of Melbourne, Parkville, VIC, Australia
- Department of Cardiovascular Research, Translation and Implementation, La Trobe University, Bundoora, VIC, Australia
| | - Corey Giles
- Metabolomics Laboratory, Baker Heart and Diabetes Institute, Melbourne, VIC, Australia
- Baker Department of Cardiometabolic Health, University of Melbourne, Parkville, VIC, Australia
- Department of Cardiovascular Research, Translation and Implementation, La Trobe University, Bundoora, VIC, Australia
| | - Natalie Mellett
- Metabolomics Laboratory, Baker Heart and Diabetes Institute, Melbourne, VIC, Australia
| | - Thy Duong
- Metabolomics Laboratory, Baker Heart and Diabetes Institute, Melbourne, VIC, Australia
| | - Anh Nguyen
- Metabolomics Laboratory, Baker Heart and Diabetes Institute, Melbourne, VIC, Australia
| | - Donna Geddes
- School of Molecular Sciences, The University of Western Australia, Perth, WA, Australia
- Murdoch Children’s Research Institute, Parkville, VIC, Australia
| | - Toby Mansell
- Murdoch Children’s Research Institute, Parkville, VIC, Australia
- Department of Pediatrics, University of Melbourne, Parkville, VIC, Australia
| | - Richard Saffery
- Murdoch Children’s Research Institute, Parkville, VIC, Australia
- Department of Pediatrics, University of Melbourne, Parkville, VIC, Australia
| | - Peter Vuillermin
- Murdoch Children’s Research Institute, Parkville, VIC, Australia
- School of Medicine, Deakin University, Melbourne, VIC, Australia
- Child Health Research Unit, Barwon Health, Geelong, VIC, Australia
| | - Anne-Louise Ponsonby
- Murdoch Children’s Research Institute, Parkville, VIC, Australia
- The Florey Institute of Neuroscience and Mental Health, Melbourne, VIC, Australia
| | - David Burgner
- Murdoch Children’s Research Institute, Parkville, VIC, Australia
- Department of Pediatrics, University of Melbourne, Parkville, VIC, Australia
| | - Satvika Burugupalli
- Metabolomics Laboratory, Baker Heart and Diabetes Institute, Melbourne, VIC, Australia
- Department of Cardiovascular Research, Translation and Implementation, La Trobe University, Bundoora, VIC, Australia
| | - Peter J. Meikle
- Metabolomics Laboratory, Baker Heart and Diabetes Institute, Melbourne, VIC, Australia
- Baker Department of Cardiometabolic Health, University of Melbourne, Parkville, VIC, Australia
- Department of Cardiovascular Research, Translation and Implementation, La Trobe University, Bundoora, VIC, Australia
- Department of Diabetes, Central Clinical School, Monash University, Clayton, VIC, Australia
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Fan WQ, Chan C, Paterson S, Foster K, Morrow M, Bourne D, Ashworth J. Weekly Proactive Telephone Breastfeeding Standard Care by Lactation Consultants in the First Month Postpartum Prolongs Breastfeeding for Up to 6 Months. Nutrients 2023; 15:2075. [PMID: 37432209 DOI: 10.3390/nu15092075] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2023] [Revised: 04/23/2023] [Accepted: 04/24/2023] [Indexed: 07/12/2023] Open
Abstract
Many mothers, especially those with co-morbidities, do not achieve exclusive breastfeeding (EBF) for the first 6 months, with the loss of multiple health benefits including enhanced infant nutrition. We wished to evaluate whether proactive lactation consultant telephone advice in the first month postpartum improved breastfeeding rates for up to 6 months. A prospective cohort observational study was performed. Mother groupings included the following: Control (CG, n = 379)-standard postnatal care; Exposure (EG, n = 386)-standard postnatal care delivered by lactation consultant telephone contact for the first 3 weeks postpartum and then follow-up calls at 1, 3 and 6 months postpartum to ascertain breastfeeding status. Sore nipples (24%) and fussy/unsettled behaviour (14-19%) were common EG concerns. EG EBF rates were higher at 1 month (65% vs. 53%; p < 0.001), 3 months (57% vs. 49%; p = 0.041) and 6 months (45 vs. 33%; p < 0.001). EG EBF rates across the 6 months were higher for infants admitted to the NNU (52.9% vs. 37.5%, p = 0.003), obese mothers (58.3% vs. 37.2%, p < 0.001), mothers with depression (60.8% vs. 43.4%, p = 0.036) and all birth modes. Proactive early lactation advice significantly prolongs EBF and consequently enhances infant nutrition overall, including for mothers at risk of early breastfeeding cessation.
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Affiliation(s)
- Wei Qi Fan
- Northern Health, Melbourne, VIC 3076, Australia
- Faculty of Medicine, Dentistry and Health Sciences, The University of Melbourne, Melbourne, VIC 3010, Australia
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8
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Stinson LF, George AD. Human Milk Lipids and Small Metabolites: Maternal and Microbial Origins. Metabolites 2023; 13:metabo13030422. [PMID: 36984862 PMCID: PMC10054125 DOI: 10.3390/metabo13030422] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2023] [Revised: 03/05/2023] [Accepted: 03/10/2023] [Indexed: 03/16/2023] Open
Abstract
Although there has been limited application in the field to date, human milk omics research continues to gain traction. Human milk lipidomics and metabolomics research is particularly important, given the significance of milk lipids and metabolites for infant health. For researchers conducting compositional milk analyses, it is important to consider the origins of these compounds. The current review aims to provide a summary of the existing evidence on the sources of human milk lipids and small metabolites. Here, we describe five major sources of milk lipids and metabolites: de novo synthesis from mammary cells, production by the milk microbiota, dietary consumption, release from non-mammary tissue, and production by the gut microbiota. We synthesize the literature to provide evidence and understanding of these pathways in the context of mammary gland biology. We recommend future research focus areas to elucidate milk lipid and small metabolite synthesis and transport pathways. Better understanding of the origins of human milk lipids and metabolites is important to improve translation of milk omics research, particularly regarding the modulation of these important milk components to improve infant health outcomes.
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Affiliation(s)
- Lisa F. Stinson
- School of Molecular Sciences, The University of Western Australia, Perth 6009, Australia
| | - Alexandra D. George
- Metabolomics Laboratory, Baker Heart and Diabetes Institute, Melbourne 3004, Australia
- Correspondence:
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