{"title":"Human Milk Oligosaccharide Profiles and the Secretor and Lewis Gene Status of Indonesian Lactating Mothers.","authors":"Verawati Sudarma, Diana Sunardi, Nanis Sacharina Marzuki, Zakiudin Munasir, Asmarinah, Adi Hidayat, Badriul Hegar","doi":"10.5223/pghn.2023.26.5.266","DOIUrl":null,"url":null,"abstract":"<p><strong>Purpose: </strong>Human milk oligosaccharides (HMOs) may be genetically determined based on the secretor and Lewis status of the mother. This study aims to determine the HMO profile and the secretor and Lewis gene status of Indonesian lactating mothers.</p><p><strong>Methods: </strong>Baseline data of 120 mother-infant pairs between 0-4 months post-partum obtained from a prospective longitudinal study was used. The concentrations of 2'-fucosyllactose (2'FL), lacto-N-fucopentaose I (LNFP I), lacto-N-tetraose (LNT), lacto-N-neotetraose (LNnT), 3'-sialyllactose (3'SL), and 6'-sialyllactose (6'SL) were measured. Genetic analysis was performed for mothers using targeted next-generation sequencing and Sanger sequencing. Wild-type AA with the rs1047781 (A385T) polymorphism was categorized as secretor positive, while heterozygous mutant AT was classified as a weak secretor. The presence of rs28362459 (T59G) heterozygous mutant AC and rs3745635 (G508A) heterozygous mutant CT genes indicated a Lewis negative status, and the absence of these genes indicated a positive status. Subsequently, breast milk was classified into various groups, namely Group 1: Secretor+Lewis+ (Se+Le+), Group 2: Secretor-Lewis+ (Se-Le+), Group 3: Secretor+Lewis- (Se+Le-), and Group 4: Secretor-Lewis- (Se-Le-). Data were analyzed using the Mann-Whitney and Kruskal-Wallis rank tests, and a <i>p</i>-value of 0.05 indicated statistical significance.</p><p><strong>Results: </strong>A total of 58.3% and 41.7% of the samples had positive and weak secretor statuses, respectively. The proportion of those in Group 1 was 85%, while 15% were Group 3. The results showed that only 2'FL significantly differed according to the secretor status (<i>p</i>-value=0.018).</p><p><strong>Conclusion: </strong>All Indonesian lactating mothers in this study were secretor positive, and most of them had a Lewis-positive status.</p>","PeriodicalId":19989,"journal":{"name":"Pediatric Gastroenterology, Hepatology & Nutrition","volume":"26 5","pages":"266-276"},"PeriodicalIF":1.3000,"publicationDate":"2023-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ftp.ncbi.nlm.nih.gov/pub/pmc/oa_pdf/a1/19/pghn-26-266.PMC10509021.pdf","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Pediatric Gastroenterology, Hepatology & Nutrition","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.5223/pghn.2023.26.5.266","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q3","JCRName":"PEDIATRICS","Score":null,"Total":0}
引用次数: 0
Abstract
Purpose: Human milk oligosaccharides (HMOs) may be genetically determined based on the secretor and Lewis status of the mother. This study aims to determine the HMO profile and the secretor and Lewis gene status of Indonesian lactating mothers.
Methods: Baseline data of 120 mother-infant pairs between 0-4 months post-partum obtained from a prospective longitudinal study was used. The concentrations of 2'-fucosyllactose (2'FL), lacto-N-fucopentaose I (LNFP I), lacto-N-tetraose (LNT), lacto-N-neotetraose (LNnT), 3'-sialyllactose (3'SL), and 6'-sialyllactose (6'SL) were measured. Genetic analysis was performed for mothers using targeted next-generation sequencing and Sanger sequencing. Wild-type AA with the rs1047781 (A385T) polymorphism was categorized as secretor positive, while heterozygous mutant AT was classified as a weak secretor. The presence of rs28362459 (T59G) heterozygous mutant AC and rs3745635 (G508A) heterozygous mutant CT genes indicated a Lewis negative status, and the absence of these genes indicated a positive status. Subsequently, breast milk was classified into various groups, namely Group 1: Secretor+Lewis+ (Se+Le+), Group 2: Secretor-Lewis+ (Se-Le+), Group 3: Secretor+Lewis- (Se+Le-), and Group 4: Secretor-Lewis- (Se-Le-). Data were analyzed using the Mann-Whitney and Kruskal-Wallis rank tests, and a p-value of 0.05 indicated statistical significance.
Results: A total of 58.3% and 41.7% of the samples had positive and weak secretor statuses, respectively. The proportion of those in Group 1 was 85%, while 15% were Group 3. The results showed that only 2'FL significantly differed according to the secretor status (p-value=0.018).
Conclusion: All Indonesian lactating mothers in this study were secretor positive, and most of them had a Lewis-positive status.
期刊介绍：
Pediatric Gastroenterology, Hepatology and Nutrition (Pediatr Gastroenterol Hepatol Nutr), an official journal of The Korean Society of Pediatric Gastroenterology, Hepatology and Nutrition, is issued bimonthly and published in English. The aim of Pediatr Gastroenterol Hepatol Nutr is to advance scientific knowledge and promote child healthcare by publishing high-quality empirical and theoretical studies and providing a recently updated knowledge to those practitioners and scholars in the field of pediatric gastroenterology, hepatology and nutrition. Pediatr Gastroenterol Hepatol Nutr publishes review articles, original articles, and case reports. All of the submitted papers are peer-reviewed. The journal covers basic and clinical researches on molecular and cellular biology, pathophysiology, epidemiology, diagnosis, and treatment of all aspects of pediatric gastrointestinal diseases and nutritional health problems.
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