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Ding D, He X, Agarry IE, Wang Y, Zhou F, Li Y, Kan J, Cai T, Chen K. Profile of Human Milk Phospholipids at Different Lactation Stages with UPLC/Q-TOF-MS: Characterization, Distribution, and Differences. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2023; 71:6326-6337. [PMID: 37040528 DOI: 10.1021/acs.jafc.2c07512] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/03/2023]
Abstract
Human milk phospholipids are important for the regular growth and development of infants. Ultra-high-performance liquid chromatography-quadrupole time-of-flight mass spectrometry (UPLC/Q-TOF-MS) was employed to qualitatively and quantitatively analyze 277 phospholipid molecular species in 112 human milk samples to obtain a detailed profile of human milk phospholipids along the lactation stage. MS/MS fragmentation patterns of sphingomyelin, phosphatidylcholine, phosphatidylethanolamine, phosphatidylinositol, and phosphatidylserine were characterized in detail. Phosphatidylcholine is the most dominant group, followed by sphingomyelin. PC(18:0/18:2), SM(d18:1/24:1), PE(18:0/18:0), PS(18:0/20:4), and PI(18:0/18:2) showed the highest average concentration among all of the phosphatidylcholine, sphingomyelin, phosphatidylethanolamine, phosphatidylserine, and phosphatidylinositol molecular species, respectively. The fatty acids attached to the phospholipid molecules were mainly palmitic, stearic, oleic, and linoleic acids, and the plasmalogens decreased along the lactation stage. The increase of sphingomyelins and phosphatidylethanolamines and the decrease of phosphatidylcholines are the key changes from colostrum to transitional milk; the increase of lysophosphatidylcholines and lysophosphatidylethanolamines and the continuous decrease of phosphatidylcholines are the vital changes from transitional milk to mature milk.
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Affiliation(s)
- Desheng Ding
- College of Food Science, Southwest University, No. 2, Tiansheng Road, Beibei, Chongqing 400715, P. R. China
- Chongqing Key Laboratory of Specialty Food Co-built by Sichuan and Chongqing, Chongqing 400715, P. R. China
| | - Xiaoling He
- Department of Obstetrics and Gynecology, The First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, P. R. China
| | - Israel Emiezi Agarry
- College of Food Science, Southwest University, No. 2, Tiansheng Road, Beibei, Chongqing 400715, P. R. China
- Chinese-Hungarian Cooperative Research Centre for Food Science, Chongqing 400715, P. R. China
- Chongqing Key Laboratory of Specialty Food Co-built by Sichuan and Chongqing, Chongqing 400715, P. R. China
| | - Yuankai Wang
- College of Food Science, Southwest University, No. 2, Tiansheng Road, Beibei, Chongqing 400715, P. R. China
- Chongqing Key Laboratory of Specialty Food Co-built by Sichuan and Chongqing, Chongqing 400715, P. R. China
| | - Fenglan Zhou
- College of Food Science, Southwest University, No. 2, Tiansheng Road, Beibei, Chongqing 400715, P. R. China
- Chongqing Key Laboratory of Specialty Food Co-built by Sichuan and Chongqing, Chongqing 400715, P. R. China
| | - Yunchang Li
- College of Food Science, Southwest University, No. 2, Tiansheng Road, Beibei, Chongqing 400715, P. R. China
- Chongqing Key Laboratory of Specialty Food Co-built by Sichuan and Chongqing, Chongqing 400715, P. R. China
| | - Jianquan Kan
- College of Food Science, Southwest University, No. 2, Tiansheng Road, Beibei, Chongqing 400715, P. R. China
- Chinese-Hungarian Cooperative Research Centre for Food Science, Chongqing 400715, P. R. China
- Chongqing Key Laboratory of Specialty Food Co-built by Sichuan and Chongqing, Chongqing 400715, P. R. China
| | - Tian Cai
- School of Chemistry and Chemical Engineering, Southwest University, No. 2, Tiansheng Road, Beibei, Chongqing 400715, P. R. China
| | - Kewei Chen
- College of Food Science, Southwest University, No. 2, Tiansheng Road, Beibei, Chongqing 400715, P. R. China
- Chinese-Hungarian Cooperative Research Centre for Food Science, Chongqing 400715, P. R. China
- Chongqing Key Laboratory of Specialty Food Co-built by Sichuan and Chongqing, Chongqing 400715, P. R. China
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Adjibade M, Davisse‐Paturet C, Bernard JY, Adel‐Patient K, Divaret‐Chauveau A, Lioret S, Charles M, de Lauzon‐Guillain B. Enrichment of infant formula with long-chain polyunsaturated fatty acids and risk of infection and allergy in the nationwide ELFE birth cohort. Allergy 2022; 77:1522-1533. [PMID: 34626486 DOI: 10.1111/all.15137] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2021] [Revised: 09/16/2021] [Accepted: 09/23/2021] [Indexed: 01/21/2023]
Abstract
BACKGROUND The new European regulations require the enrichment of formulas with docosahexaenoic acid (DHA) because of the positive effects of long-chain polyunsaturated fatty acids (LCPUFAs) on neurodevelopment and visual acuity. In this observational study, we aimed to evaluate whether the consumption of LCPUFA-enriched formula was associated with the risk of infection and allergy in early childhood. METHODS Analyses involved data from 8389 formula-fed infants from the ELFE birth cohort. Formula enrichment was identified from the list of ingredients of the formula consumed at 2 months. Infections (gastrointestinal, lower respiratory tract [LRTI], upper respiratory tract) and allergies (wheezing, itchy rash, asthma medication, food allergy) from age 2 months to 5.5 years were reported by parents during follow-up surveys. Multivariable logistic regression models were used to assess associations between the consumption of LCPUFA-enriched formula and the risk of infection and allergy. RESULTS Among formula-fed infants at 2 months, 36% consumed formula enriched with DHA and arachidonic acid (ARA), and 11% consumed formula additionally enriched with eicosapentaenoic acid (EPA). Enriched formula consumption was not associated with infection or allergy, except for an association between consumption of DHA/ARA/EPA-enriched formula and lower use of asthma medications. Furthermore, as compared with non-DHA/ARA/EPA-enriched formula, consumption of formula with high EPA content (≥3.2 mg/100 kcal) was related to lower risk of LRTI and lower use of asthma medications. CONCLUSION This study suggests that consumption of DHA/ARA/EPA-enriched formula (especially those with high EPA content) is associated with a lower risk of LRTI and lower use of asthma medications.
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Affiliation(s)
| | | | - Jonathan Y. Bernard
- Université de Paris CRESS Inserm INRAE Paris France
- Singapore Institute for Clinical Sciences (SICS) Agency for Science, Technology and Research (A*STAR) Singapore Singapore
| | | | - Amandine Divaret‐Chauveau
- EA3450 Université de Lorraine Vandoeuvre‐lès‐Nancy France
- Unité d’allergologie pédiatrique Hôpital d’Enfants CHRU de Nancy Vandoeuvre‐lès‐Nancy France
| | | | - Marie‐Aline Charles
- Université de Paris CRESS Inserm INRAE Paris France
- Unité mixte Inserm‐Ined‐EFS Elfe Ined, Paris France
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Summer K, Browne J, Liu L, Benkendorff K. Molluscan Compounds Provide Drug Leads for the Treatment and Prevention of Respiratory Disease. Mar Drugs 2020; 18:md18110570. [PMID: 33228163 PMCID: PMC7699502 DOI: 10.3390/md18110570] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2020] [Revised: 11/16/2020] [Accepted: 11/16/2020] [Indexed: 12/26/2022] Open
Abstract
Respiratory diseases place an immense burden on global health and there is a compelling need for the discovery of new compounds for therapeutic development. Here, we identify research priorities by critically reviewing pre-clinical and clinical studies using extracts and compounds derived from molluscs, as well as traditional molluscan medicines, used in the treatment of respiratory diseases. We reviewed 97 biomedical articles demonstrating the anti-inflammatory, antimicrobial, anticancer, and immunomodulatory properties of >320 molluscan extracts/compounds with direct relevance to respiratory disease, in addition to others with promising bioactivities yet to be tested in the respiratory context. Of pertinent interest are compounds demonstrating biofilm inhibition/disruption and antiviral activity, as well as synergism with approved antimicrobial and chemotherapeutic agents. At least 100 traditional medicines, incorporating over 300 different mollusc species, have been used to treat respiratory-related illness in cultures worldwide for thousands of years. These medicines provide useful clues for the discovery of bioactive components that likely underpin their continued use. There is particular incentive for investigations into anti-inflammatory compounds, given the extensive application of molluscan traditional medicines for symptoms of inflammation, and shells, which are the principal molluscan product used in these preparations. Overall, there is a need to target research toward specific respiratory disease-related hypotheses, purify bioactive compounds and elucidate their chemical structures, and develop an evidence base for the integration of quality-controlled traditional medicines.
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Affiliation(s)
- Kate Summer
- Marine Ecology Research Centre, School of Environment, Science and Engineering, Southern Cross University, GPO Box 157, Lismore, NSW 2480, Australia;
| | - Jessica Browne
- School of Health and Human Sciences, Southern Cross University, Terminal Drive, Bilinga, QLD 4225, Australia;
| | - Lei Liu
- Southern Cross Plant Science, Southern Cross University, GPO Box 157, Lismore, NSW 2480, Australia;
| | - Kirsten Benkendorff
- National Marine Science Centre, Southern Cross University, 2 Bay Drive, Coffs Harbour, NSW 2450, Australia
- Correspondence: ; Tel.: +61-429-520-589
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Adu-Afarwuah S, Young RR, Lartey A, Okronipa H, Ashorn P, Ashorn U, Oaks BM, Dewey KG. Supplementation with Small-Quantity Lipid-Based Nutrient Supplements Does Not Increase Child Morbidity in a Semiurban Setting in Ghana: A Secondary Outcome Noninferiority Analysis of the International Lipid-Based Nutrient Supplements (iLiNS)-DYAD Randomized Controlled Trial. J Nutr 2020; 150:382-393. [PMID: 31603205 PMCID: PMC7722352 DOI: 10.1093/jn/nxz243] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2019] [Revised: 07/26/2019] [Accepted: 09/11/2019] [Indexed: 11/25/2022] Open
Abstract
BACKGROUND Adequate knowledge about the safety of consumption of small-quantity lipid-based nutrient supplements (SQ-LNSs) is needed. OBJECTIVE We aimed to test the hypothesis that SQ-LNS consumption is noninferior to control with respect to child morbidity. METHODS Women (n = 1320) ≤20 wk pregnant were assigned to iron and folic acid until delivery with no supplementation for offspring; or multiple micronutrient supplements until 6 mo postpartum with no supplementation for offspring; or SQ-LNSs until 6 mo postpartum, and SQ-LNSs for offspring (6 mg Fe/d) from 6 to 18 mo of age [the lipid-based nutrient supplement (LNS) group]. We assessed noninferiority (margin ≤20%) between any 2 groups during 0-6 mo of age, and between the non-LNS and LNS groups during 6-18 mo of age for caregiver-reported acute respiratory infection, diarrhea, gastroenteritis, fever/suspected malaria, poor appetite, and "other illnesses." RESULTS During 0-6 mo of age, 1197 infants contributed 190,503 infant-days. For all morbidity combined, overall mean incidence (per 100 infant-days) was 3.3 episodes, overall mean prevalence (percentage of infant-days) was 19.3%, and the 95% CIs of the incidence rate ratio (IRR) and longitudinal prevalence rate ratio (LPRR) between any 2 groups were ≤1.20. During 6-18 mo, there were 240,097 infant-days for the non-LNS group and 118,698 for the LNS group. For all morbidity combined, group mean incidences were 4.3 and 4.3, respectively (IRR: 1.0; 95% CI: 1.0, 1.1), and mean prevalences were 28.2% and 29.3%, respectively (LPRR: 1.0; 95% CI: 1.0, 1.1). Noninferiority was inconclusive for diarrhea, fever/suspected malaria, and poor appetite. CONCLUSIONS SQ-LNS consumption does not increase reported overall child morbidity in this population compared with the 2 other treatments.This trial was registered at clinicaltrials.gov as NCT00970866.
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Affiliation(s)
- Seth Adu-Afarwuah
- department of Nutrition and Food Science, University of Ghana, Legon, Accra, Ghana
| | - Rebecca R Young
- Program in International and Community Nutrition, Department of Nutrition, University of California, Davis, CA, USA
| | - Anna Lartey
- department of Nutrition and Food Science, University of Ghana, Legon, Accra, Ghana
| | - Harriet Okronipa
- department of Nutrition and Food Science, University of Ghana, Legon, Accra, Ghana
- Program in International and Community Nutrition, Department of Nutrition, University of California, Davis, CA, USA
| | - Per Ashorn
- Centre for Child Health Research, Tampere University Faculty of Medicine and Health Sciences and Tampere University Hospital, Tampere, Finland; and
| | - Ulla Ashorn
- Centre for Child Health Research, Tampere University Faculty of Medicine and Health Sciences and Tampere University Hospital, Tampere, Finland; and
| | - Brietta M Oaks
- Department of Nutrition and Food Sciences, University of Rhode Island, Kingston, RI, USA
| | - Kathryn G Dewey
- Program in International and Community Nutrition, Department of Nutrition, University of California, Davis, CA, USA
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Caputo MP, Radlowski EC, Lawson M, Antonson A, Watson JE, Matt SM, Leyshon BJ, Das A, Johnson RW. Herring roe oil supplementation alters microglial cell gene expression and reduces peripheral inflammation after immune activation in a neonatal piglet model. Brain Behav Immun 2019; 81:455-469. [PMID: 31271868 PMCID: PMC6754775 DOI: 10.1016/j.bbi.2019.06.046] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/11/2019] [Revised: 06/20/2019] [Accepted: 06/29/2019] [Indexed: 01/29/2023] Open
Abstract
Neonatal brain development can be disrupted by infection that results in microglial cell activation and neuroinflammation. Studies indicate that polyunsaturated fatty acids (PUFAs) and their metabolites can resolve inflammation. It is not known if dietary PUFA increases lipid metabolites in brain or reduces neuroinflammation in neonates. We hypothesized that dietary PUFAs might suppress neuroinflammation by inhibiting pro-inflammatory cytokine over-production and promoting inflammatory resolution in the periphery and brain. Piglets were obtained on postnatal day (PD) 2 and randomly assigned to herring roe oil (HRO) or control (CON) diet. HRO was included at 2 g/kg powdered diet. HRO increased DHA levels in occipital lobe and the DHA to arachidonic acid (ARA) ratio in hippocampal tissue. HRO decreased ARA metabolites in occipital lobe. HRO failed to attenuate microglial pro-inflammatory cytokine production ex vivo. HRO did not affect fever or circulating resolvin D1 levels. HRO decreased circulating neutrophils and liver inflammatory gene expression, but increased resolution marker gene expression in liver post LPS. HRO upregulated CXCL16, TGFBR1, and C1QA in microglial cells. HRO supplementation exerted beneficial effects on inflammation in the periphery, but further studies are needed to evaluate the specific effects of omega-3 supplementation on microglial cell physiology in the neonate.
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Affiliation(s)
- Megan P. Caputo
- Division of Nutritional Sciences, University of Illinois at Urbana-Champaign, 449 Bevier Hall, 905 South Goodwin Ave, Urbana, IL, 61802 USA,Department of Animal Sciences, University of Illinois at Urbana-Champaign, 1207 West Gregory Dr., Urbana, IL, 61802 USA,Veterinary Medical Scholars Program, Office of Research and Advanced Studies, University of Illinois at Urbana-Champaign, College of Veterinary Medicine, 3505 VMBSB, 2001 South Lincoln Ave, Urbana, IL, 61802 USA
| | - Emily C. Radlowski
- Division of Nutritional Sciences, University of Illinois at Urbana-Champaign, 449 Bevier Hall, 905 South Goodwin Ave, Urbana, IL, 61802 USA,Department of Animal Sciences, University of Illinois at Urbana-Champaign, 1207 West Gregory Dr., Urbana, IL, 61802 USA
| | - Marcus Lawson
- Department of Animal Sciences, University of Illinois at Urbana-Champaign, 1207 West Gregory Dr., Urbana, IL, 61802 USA
| | - Adrienne Antonson
- Department of Animal Sciences, University of Illinois at Urbana-Champaign, 1207 West Gregory Dr., Urbana, IL, 61802 USA
| | - Josephine E. Watson
- Department of Biochemistry, School of Molecular & Cellular Biology, University of Illinois at Urbana-Champaign, 393 Morrill Hall, 505 South Goodwin Ave, Urbana, IL, 61802 USA
| | - Stephanie M. Matt
- Neuroscience Program, University of Illinois at Urbana-Champaign, 2325/21 Beckman Institute, 405 North Matthews Ave, Urbana, IL, 61801 USA
| | - Brian J. Leyshon
- Division of Nutritional Sciences, University of Illinois at Urbana-Champaign, 449 Bevier Hall, 905 South Goodwin Ave, Urbana, IL, 61802 USA,Department of Animal Sciences, University of Illinois at Urbana-Champaign, 1207 West Gregory Dr., Urbana, IL, 61802 USA
| | - Aditi Das
- Division of Nutritional Sciences, University of Illinois at Urbana-Champaign, 449 Bevier Hall, 905 South Goodwin Ave, Urbana, IL 61802, USA; Department of Biochemistry, School of Molecular & Cellular Biology, University of Illinois at Urbana-Champaign, 393 Morrill Hall, 505 South Goodwin Ave, Urbana, IL 61802, USA; Department of Comparative Biosciences, University of Illinois at Urbana-Champaign, 3516 VMBSB, 2001 South Lincoln Ave, Urbana, IL 61802, USA; Neuroscience Program, University of Illinois at Urbana-Champaign, 2325/21 Beckman Institute, 405 North Matthews Ave, Urbana, IL 61801, USA; Bioengineering Department, University of Illinois at Urbana-Champaign, 1102 Everitt Lab, MC-278, 1406 West Green St., Urbana, IL 61801, USA; Beckman Institute for Advanced Science and Technology, University of Illinois at Urbana-Champaign, 405 North Matthews Ave, M/C 251, Urbana, IL 61801, USA.
| | - Rodney W. Johnson
- Division of Nutritional Sciences, University of Illinois at Urbana-Champaign, 449 Bevier Hall, 905 South Goodwin Ave, Urbana, IL, 61802 USA,Department of Animal Sciences, University of Illinois at Urbana-Champaign, 1207 West Gregory Dr., Urbana, IL, 61802 USA,Neuroscience Program, University of Illinois at Urbana-Champaign, 2325/21 Beckman Institute, 405 North Matthews Ave, Urbana, IL, 61801 USA
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Jang HY, Koo JH, Lee SM, Park BH. Atopic dermatitis-like skin lesions are suppressed in fat-1 transgenic mice through the inhibition of inflammasomes. Exp Mol Med 2018; 50:1-9. [PMID: 29899324 PMCID: PMC6001487 DOI: 10.1038/s12276-018-0104-3] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2018] [Revised: 03/09/2018] [Accepted: 03/19/2018] [Indexed: 11/09/2022] Open
Abstract
Previous clinical trials have addressed the beneficial effects of fish oil supplementation on atopic dermatitis. Recently, we reported that fat-1 mice, which can convert n-6 to n-3 polyunsaturated fatty acids (PUFAs), are protected against allergic airway inflammation because their Th2 immune responses are suppressed. Here, we examined the effects of endogenously synthesized n-3 PUFAs on atopic dermatitis, a representative Th2-dominant allergic inflammatory disease. Mouse models of atopic dermatitis-like skin lesions were prepared by epicutaneous application of 2,4-dinitrochlorobenzene (DNCB) or house dust mite (HDM) extract to the ears. DNCB-treated fat-1 mice exhibited markedly reduced epidermal thickening, lower mast cell infiltration, and lower serum IgE and histamine compared with wild-type mice. The draining lymph nodes of fat-1 mice were substantially smaller and contained significantly smaller proportions of activated CD4+ T cells and IL-4-producing Th2 cells than those of wild-type mice. Consistent with these findings, the mRNA levels of Th2 cytokines were significantly decreased in DNCB-sensitized skin lesions of fat-1 mice. Lastly, inflammasome activation, IL-1β production, and pyroptotic cell injury were suppressed in fat-1 mice. Similar results were observed in HDM-challenged fat-1 mice. This study confirms the results of previous clinical studies and suggests fish oil supplementation as a therapeutic strategy for atopic dermatitis-like skin lesions.
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Affiliation(s)
- Hyun-Young Jang
- Department of Biochemistry, Chonbuk National University Medical School, Jeonju, Jeonbuk, 54896, Republic of Korea
| | - Jeung-Hyun Koo
- Department of Biochemistry, Chonbuk National University Medical School, Jeonju, Jeonbuk, 54896, Republic of Korea
| | - Sang-Myeong Lee
- Division of Biotechnology, College of Environmental and Bioresource Sciences, Chonbuk National University, Iksan, Jeonbuk, 54596, Republic of Korea
| | - Byung-Hyun Park
- Department of Biochemistry, Chonbuk National University Medical School, Jeonju, Jeonbuk, 54896, Republic of Korea.
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7
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Li W, Feng Z, Song X, Zhu W, Hu Y. Cloning, expression and functional characterization of the polyunsaturated fatty acid elongase (ELOVL5) gene from sea cucumber (Apostichopus japonicus). Gene 2016; 593:217-224. [PMID: 27538705 DOI: 10.1016/j.gene.2016.08.023] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2016] [Revised: 07/14/2016] [Accepted: 08/12/2016] [Indexed: 11/25/2022]
Abstract
Long chain polyunsaturated fatty acid (PUFA) are beneficial for maintaining the health, growth and development of an organism and could reduce the risk of some diseases. The ability to endogenously produce PUFA, especially in invertebrates, is largely unknown. To study the function of elongase genes in the PUFA biosynthesis of Apostichopus japonicus, we cloned an ELOVL5 homology gene from intestinal cDNA of A. japonicus (Aj-ELOVL5). The Aj-ELOVL5 gene encoded a 318 amino acid (AA) protein that exhibited all the characteristics of the ELOVL5 family, such as a histidine box motif and four putative transmembrane-spanning domains. The results of the tissue expression profile of Aj-ELOVL5 revealed that the body wall exhibited the highest expression level compared with other adult tissues. We also found that the Aj-ELOVL5 enzyme exhibited the ability to elongate γ-linolenic acid (18:3 n-6) and eicosapentaenoic acid (20:5 n-3) to dihomo-γ-linolenic acid (20:3 n-6) and docosapentaenoic acid (22:5 n-3), respectively. Our results indicated that the Aj-ELOVL5 enzyme had the capacity to biosynthesize PUFA from C18/C20 PUFA substrates.
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Affiliation(s)
- Wenxia Li
- Laboratory for Animal Nutrition and Immune Molecular Biology, College of Life Science, Qingdao Agricultural University, Qingdao, 266109, China
| | - Zhengfu Feng
- Laboratory for Animal Nutrition and Immune Molecular Biology, College of Life Science, Qingdao Agricultural University, Qingdao, 266109, China
| | - Xiaojun Song
- Laboratory for Animal Nutrition and Immune Molecular Biology, College of Life Science, Qingdao Agricultural University, Qingdao, 266109, China
| | - Wei Zhu
- Laboratory for Animal Nutrition and Immune Molecular Biology, College of Life Science, Qingdao Agricultural University, Qingdao, 266109, China.
| | - Yanjiang Hu
- Laboratory for Animal Nutrition and Immune Molecular Biology, College of Life Science, Qingdao Agricultural University, Qingdao, 266109, China
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Sheth A, Asher MI, Ellwood P, Ellwood E. Can geodata be used to determine the distribution of fast food outlets in relation to the prevalence and severity of asthma? A novel methodology. Allergol Immunopathol (Madr) 2016; 44:307-13. [PMID: 26589338 DOI: 10.1016/j.aller.2015.07.003] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2015] [Accepted: 07/16/2015] [Indexed: 01/04/2023]
Abstract
RESEARCH QUESTION Can the distribution of fast food outlets be obtained and effectively used to identify if there is a relationship between the placement of these and the prevalence and severity of asthma, rhinoconjunctivitis and eczema (ARE) in children and adolescents? METHOD Fast food restaurant location data was obtained for seven countries. Data from the International Study of Asthma and Allergies in Childhood (ISAAC) was used from 53 centres in the same seven countries. Each ISAAC centre provided a detailed map of the study area. The location of restaurants and ISAAC centres were overlaid using the ArcMap software, and the number of restaurants within each ISAAC centre counted. Bivariate regression analysis was used to compare outlet density with ARE prevalence and severity. RESULTS The results from the analyses showed a positive (non-significant) trend on a regression plot between outlet density and ARE severity. This project has shown that it is practical to systematically obtain and map fast food outlets and compare their distribution worldwide with the prevalence and severity of diseases, in this case ARE. The devised methodology has proven to be an efficient way to obtain restaurant distribution data in a form that is manageable and suitable to compare with area based disease prevalences. This project has shown that a larger scale investigation is both feasible and warranted.
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Affiliation(s)
- A Sheth
- Department of Paediatrics: Child and Youth Health, The University of Auckland, New Zealand.
| | - M I Asher
- Department of Paediatrics: Child and Youth Health, The University of Auckland, New Zealand
| | - P Ellwood
- Department of Paediatrics: Child and Youth Health, The University of Auckland, New Zealand
| | - E Ellwood
- Department of Paediatrics: Child and Youth Health, The University of Auckland, New Zealand
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9
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Beermann C, Neumann S, Fußbroich D, Zielen S, Schubert R. Combinations of distinct long-chain polyunsaturated fatty acid species for improved dietary treatment against allergic bronchial asthma. Nutrition 2016; 32:1165-70. [PMID: 27297719 DOI: 10.1016/j.nut.2016.04.004] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2016] [Revised: 04/07/2016] [Accepted: 04/11/2016] [Indexed: 12/12/2022]
Abstract
Allergic bronchial asthma is a chronic inflammatory disease of the airways with an increasing incidence in Western societies. Exposure to allergens provokes recurrent attacks of breathlessness, airway hyperreactivity, wheezing, and coughing. For the early phase and milder forms of allergic asthma, dietary supplementation with long-chain polyunsaturated fatty acids (LCPUFA), predominantly fish oil-associated eicosapentaenoic (C20:5 ω-3) and docosahexaenoic acid (C22:6 ω-3), and distinct crop oil-derived fatty acids might provide a sustainable treatment strategy, as discussed in several studies. In addition to immune-controlling prostaglandins, leukotrienes, and thromboxanes, specialized proresolving mediators, such as lipoxins, resolvins, protectins, and maresins, are metabolized from different LCPUFA, which actively resolve inflammation. The aim of this review was to discuss the possible synergistic effects of ω-3 and ω-6 LCPUFA combinations concerning rebuilding fatty acid homeostasis in cellular membranes, modifying eicosanoid metabolic pathways, controlling inflammatory processes by focusing on resolving inflammation in the bronchoalveolar system on the cellular level, and helping to control clinical symptoms in bronchial asthma.
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Affiliation(s)
- Christopher Beermann
- Food Technology, Department of Biotechnology, University of Applied Sciences, Fulda, Germany.
| | - Sandy Neumann
- Food Technology, Department of Biotechnology, University of Applied Sciences, Fulda, Germany
| | - Daniela Fußbroich
- Food Technology, Department of Biotechnology, University of Applied Sciences, Fulda, Germany
| | - Stefan Zielen
- Pediatric Pulmonology and Allergology, Children's Hospital I, Goethe-University, Frankfurt/Main, Germany
| | - Ralf Schubert
- Pediatric Pulmonology and Allergology, Children's Hospital I, Goethe-University, Frankfurt/Main, Germany
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10
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Foiles AM, Kerling EH, Wick JA, Scalabrin DMF, Colombo J, Carlson SE. Formula with long-chain polyunsaturated fatty acids reduces incidence of allergy in early childhood. Pediatr Allergy Immunol 2016; 27:156-61. [PMID: 26613373 PMCID: PMC5207026 DOI: 10.1111/pai.12515] [Citation(s) in RCA: 45] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 11/22/2015] [Indexed: 01/01/2023]
Abstract
BACKGROUND Allergy has sharply increased in affluent Western countries in the last 30 years. N-3 long-chain polyunsaturated fatty acids (n-3 LCPUFAs) may protect the immune system against development of allergy. METHODS We prospectively categorized illnesses by body system in a subset of 91 children from the Kansas City cohort of the DIAMOND (DHA Intake and Measurement of Neural Development) study who had yearly medical records through 4 years of age. As infants, they were fed either a control formula without LCPUFA (n = 19) or one of three formulas with LCPUFA from docosahexaenoic acid (DHA) and arachidonic acid (ARA) (n = 72). RESULTS Allergic illnesses in the first year were lower in the combined LCPUFA group compared to the control. LCPUFAs significantly delayed time to first allergic illness (p = 0.04) and skin allergic illness (p = 0.03) and resulted in a trend to reduced wheeze/asthma (p = 0.1). If the mother had no allergies, LCPUFAs reduced the risk of any allergic diseases (HR = 0.24, 95% CI = 0.1, 0.56, p = 0.0.001) and skin allergic diseases (HR = 0.35, 95% CI = 0.13, 0.93, p = 0.04). In contrast, if the mother had allergies, LCPUFAs reduced wheezing/asthma (HR = 0.26, 95% CI = 0.07, 0.9, p = 0.02). CONCLUSIONS LCPUFA supplementation during infancy reduced the risk of skin and respiratory allergic diseases in childhood with effects influenced by maternal allergies.
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Affiliation(s)
| | | | - Jo A Wick
- University of Kansas Medical Center, Kansas City, KS, USA
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11
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Pontes MV, Ribeiro TCM, Ribeiro H, de Mattos AP, Almeida IR, Leal VM, Cabral GN, Stolz S, Zhuang W, Scalabrin DMF. Cow's milk-based beverage consumption in 1- to 4-year-olds and allergic manifestations: an RCT. Nutr J 2016; 15:19. [PMID: 26920136 PMCID: PMC4769487 DOI: 10.1186/s12937-016-0138-0] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2015] [Accepted: 02/18/2016] [Indexed: 12/31/2022] Open
Abstract
Background Nutrients such as docosahexaenoic acid (DHA), prebiotics and β-glucan have been associated with reduced incidence of respiratory illnesses and allergic manifestations (AM). Our objective was to assess if consumption of a cow’s milk-based beverage with these and other nutrients supports respiratory, gastrointestinal, and skin health in otherwise well-nourished, healthy children. Methods In this double-blind, randomized, controlled trial, healthy children (1–4 years of age) from two daycare centers in Brazil were fed three servings/day of a cow’s milk-based beverage (CMBB; n = 125) containing DHA, the prebiotics polydextrose (PDX) and galactooligosaccharides (GOS), β-glucan, and other key nutrients, or a control cow’s milk-based beverage (control; n = 131) for up to 28 weeks. Occurrence of respiratory infections, diarrheal disease and AM was assessed by study pediatricians and the number of episodes were analyzed with the Cochran-Mantel-Haenszel test and the Andersen-Gill model. Results The CMBB group had fewer episodes of AM, which included allergic rhinitis or conjunctivitis, wheezing, allergic cough, eczema and urticaria, compared to the control group (p = 0.021). The hazard ratio for increased number of episodes of AM was lower in the CMBB group compared to control (HR, 0.64; 95 % CI 0.47–0.89; p = 0.007). There was no difference in the incidence of respiratory infections and diarrheal disease between groups. Conclusion A cow’s milk-based beverage containing DHA, PDX/GOS, and yeast β-glucan, and supplemented with micronutrients, including zinc, vitamin A and iron, when consumed 3 times/day for 28 weeks by healthy 1- to 4-year-old children was associated with fewer episodes of allergic manifestations in the skin and the respiratory tract. Trial registration registration number: NCT01431469
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Affiliation(s)
- M V Pontes
- Federal University of Bahia, Salvador, Bahia, Brazil.
| | - T C M Ribeiro
- Federal University of Bahia, Salvador, Bahia, Brazil.
| | - H Ribeiro
- Federal University of Bahia, Salvador, Bahia, Brazil.
| | - A P de Mattos
- Federal University of Bahia, Salvador, Bahia, Brazil.
| | - I R Almeida
- Federal University of Bahia, Salvador, Bahia, Brazil.
| | - V M Leal
- Federal University of Bahia, Salvador, Bahia, Brazil.
| | - G N Cabral
- Federal University of Bahia, Salvador, Bahia, Brazil.
| | - S Stolz
- Mead Johnson Pediatric Nutrition Institute, Evansville, IN, USA.
| | - W Zhuang
- Mead Johnson Pediatric Nutrition Institute, Evansville, IN, USA.
| | - D M F Scalabrin
- Mead Johnson Pediatric Nutrition Institute, Evansville, IN, USA.
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van Elten TM, van Rossem L, Wijga AH, Brunekreef B, de Jongste JC, Koppelman GH, Smit HA. Breast milk fatty acid composition has a long-term effect on the risk of asthma, eczema, and sensitization. Allergy 2015. [PMID: 26214160 DOI: 10.1111/all.12703] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
BACKGROUND Levels of n-3 polyunsaturated fatty acids (PUFAs) and n-6 PUFAs in breast milk are associated with the development of allergic diseases up to school age. However, it is unknown whether this relationship persists when the child becomes older. We therefore studied the association between levels of n-3 PUFAs and n-6 PUFAs in breast milk of allergic- and nonallergic mothers and asthma, eczema and sensitization up to the age of 14 years. METHODS The study was nested in the ongoing PIAMA birth cohort. At the child's age of 3 months, 276 mothers provided a breast milk sample. Asthma (N total = 269) and eczema (N total = 274) were self-reported up to the child's age of 14 years. Specific serum IgE levels were measured at the ages of 4, 8 and 12 years (N total = 216). Generalized estimating equations analyses were used to take account of repeated observations. RESULTS Asthma up to the age of 14 years is less prevalent in children of allergic mothers receiving breast milk with higher levels of n-3 long chain polyunsaturated (LCP) fatty acids (OR 0.50; 95% CI 0.31-0.79), and more prevalent in children of nonallergic mothers receiving breast milk with higher levels of n-6LCP (OR 1.86; 95% CI 1.14-3.03). Weaker associations in similar direction were observed for eczema and sensitization. Direction of associations were consistent and of similar magnitude throughout childhood. CONCLUSION The association between breast milk fatty acid composition and asthma, eczema and sensitization persists up to the age of 14 years in children of both allergic and nonallergic mothers.
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Affiliation(s)
- T. M. van Elten
- Julius Centre for Health Sciences and Primary Care; University Medical Centre Utrecht; Utrecht The Netherlands
| | - L. van Rossem
- Julius Centre for Health Sciences and Primary Care; University Medical Centre Utrecht; Utrecht The Netherlands
| | - A. H. Wijga
- Centre for Prevention and Health Services Research; National Institute for Public Health and the Environment (RIVM); Bilthoven The Netherlands
| | - B. Brunekreef
- Institute for Risk Assessment Sciences (IRAS); Division of Environmental Epidemiology; Utrecht University; Utrecht The Netherlands
| | - J. C. de Jongste
- Department of Pediatrics; Division of Respiratory Medicine; Erasmus University Medical Center/Sophia Children's Hospital; Rotterdam The Netherlands
| | - G. H. Koppelman
- Department of Pediatric Pulmonology and Pediatric Allergology; Beatrix Children's Hospital and GRIAC Research Institute; University Medical Center Groningen; University of Groningen; Groningen The Netherlands
| | - H. A. Smit
- Julius Centre for Health Sciences and Primary Care; University Medical Centre Utrecht; Utrecht The Netherlands
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Dietary arachidonic acid in perinatal nutrition: a commentary. Pediatr Res 2015; 77:263-9. [PMID: 25314584 DOI: 10.1038/pr.2014.166] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/02/2014] [Accepted: 10/08/2014] [Indexed: 01/31/2023]
Abstract
Arachidonic acid (AA) is supplied together with docosahexaenoic acid (DHA) in infant formulas, but we have limited knowledge about the effects of supplementation with either of these long-chain polyunsaturated fatty acids (LCPUFA) on growth and developmental outcomes. AA is present in similar levels in breast milk throughout the world, whereas the level of DHA is highly diet dependent. Autopsy studies show similar diet-dependent variation in brain DHA, whereas AA is little affected by intake. Early intake of DHA has been shown to affect visual development, but the effect of LCPUFA on neurodevelopment remains to be established. Few studies have found any functional difference between infants supplemented with DHA alone compared to DHA+AA, but some studies show neurodevelopmental advantages in breast-fed infants of mothers supplemented with n-3 LCPUFA alone. It also remains to be established whether the AA/DHA balance could affect allergic and inflammatory outcomes later in life. Disentangling effects of genetic variability and dietary intake on AA and DHA-status and on functional outcomes may be an important step in the process of determining whether AA-intake is of any physiological or clinical importance. However, based on the current evidence we hypothesize that dietary AA plays a minor role on growth and development relative to the impact of dietary DHA.
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Melnik BC. The potential mechanistic link between allergy and obesity development and infant formula feeding. Allergy Asthma Clin Immunol 2014; 10:37. [PMID: 25071855 PMCID: PMC4112849 DOI: 10.1186/1710-1492-10-37] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2014] [Accepted: 07/15/2014] [Indexed: 12/14/2022] Open
Abstract
This article provides a new view of the cellular mechanisms that have been proposed to explain the links between infant formula feeding and the development of atopy and obesity. Epidemiological evidence points to an allergy- and obesity-preventive effect of breastfeeding. Both allergy and obesity development have been traced back to accelerated growth early in life. The nutrient-sensitive kinase mTORC1 is the master regulator of cell growth, which is predominantly activated by amino acids. In contrast to breastfeeding, artificial infant formula feeding bears the risk of uncontrolled excessive protein intake overactivating the infant's mTORC1 signalling pathways. Overactivated mTORC1 enhances S6K1-mediated adipocyte differentiation, but negatively regulates growth and differentiation of FoxP3(+) regulatory T-cells (Tregs), which are deficient in atopic individuals. Thus, the "early protein hypothesis" not only explains increased mTORC1-mediated infant growth but also the development of mTORC1-driven diseases such as allergy and obesity due to a postnatal deviation from the appropriate axis of mTORC1-driven metabolic and immunologic programming. Remarkably, intake of fresh unpasteurized cow's milk exhibits an allergy-preventive effect in farm children associated with increased FoxP3(+) Treg numbers. In contrast to unprocessed cow's milk, formula lacks bioactive immune-regulatory microRNAs, such as microRNA-155, which plays a major role in FoxP3 expression. Uncontrolled excessive protein supply by formula feeding associated with the absence of bioactive microRNAs and bifidobacteria in formula apparently in a synergistic way result in insufficient Treg maturation. Treg deficiency allows Th2-cell differentiation promoting the development of allergic diseases. Formula-induced mTORC1 overactivation is thus the critical mechanism that explains accelerated postnatal growth, allergy and obesity development on one aberrant pathway.
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Affiliation(s)
- Bodo C Melnik
- Department of Dermatology, Environmental Medicine and Health Theory, University of Osnabrück, Sedanstrasse 115, DE-49090 Osnabrück, Germany
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Lapillonne A, Pastor N, Zhuang W, Scalabrin DMF. Infants fed formula with added long chain polyunsaturated fatty acids have reduced incidence of respiratory illnesses and diarrhea during the first year of life. BMC Pediatr 2014; 14:168. [PMID: 24989353 PMCID: PMC4098921 DOI: 10.1186/1471-2431-14-168] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/27/2014] [Accepted: 06/25/2014] [Indexed: 01/23/2023] Open
Abstract
BACKGROUND Long chain polyunsaturated fatty acids (LCPUFAs) may influence the immune system. Our objective was to compare the frequency of common illnesses in infants who received formula with or without added LCPUFAs. METHODS In this observational, multi-center, prospective study, infants consumed formula with 17 mg DHA and 34 mg ARA/100 kcal (n = 233) or with no added DHA or ARA (n = 92). Pediatricians recorded respiratory illnesses, otitis media, eczema, and diarrhea through 1 year of age. RESULTS Infants who consumed formula with DHA/ARA had lower incidence of bronchitis/bronchiolitis (P = 0.004), croup (P = 0.044), nasal congestion (P = 0.001), cough (P = 0.014), and diarrhea requiring medical attention (P = 0.034). The odds ratio (OR) of having at least one episode of bronchitis/bronchiolitis (0.41, 95% CI 0.24, 0.70; P = 0.001), croup (0.23, 95% CI 0.05, 0.97; P = 0.045), nasal congestion (0.37, 95% CI 0.20, 0.66; P = 0.001), cough (0.52, 95% CI 0.32, 0.86; P = 0.011), and diarrhea requiring medical attention (0.51, 95% CI 0.28, 0.92; P = 0.026) was lower in infants fed DHA/ARA. The OR of an increased number of episodes of bronchitis/bronchiolitis, croup, nasal congestion, cough, and diarrhea, as well as the hazard ratio for shorter time to first episode of bronchitis/bronchiolitis, nasal congestion, cough, and diarrhea were also significantly lower in the DHA/ARA group. CONCLUSIONS In healthy infants, formula with DHA/ARA was associated with lower incidence of common respiratory symptoms and illnesses, as well as diarrhea.
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Affiliation(s)
- Alexandre Lapillonne
- Department of Neonatology, APHP Necker Enfants Malades Hospital, Paris Descartes University, Paris, France
| | - Nitida Pastor
- Department of Medical Affairs, Clinical Research, Mead Johnson Nutrition, Evansville, USA
| | - Weihong Zhuang
- Department of Medical Affairs, Clinical Research, Mead Johnson Nutrition, Evansville, USA
| | - Deolinda MF Scalabrin
- Department of Medical Affairs, Clinical Research, Mead Johnson Nutrition, Evansville, USA
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Li F, Jin X, Liu B, Zhuang W, Scalabrin D. Follow-up formula consumption in 3- to 4-year-olds and respiratory infections: an RCT. Pediatrics 2014; 133:e1533-40. [PMID: 24843061 DOI: 10.1542/peds.2013-3598] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
Abstract
OBJECTIVE Children are vulnerable to diet inadequacies, which may affect immune function. Our objective was to determine if a follow-up formula (FUF) containing DHA, the prebiotics PDX and GOS, and yeast β-glucan affects incidence of respiratory infections and diarrheal disease in healthy children. METHODS In a double-blind, randomized, controlled, prospective trial, 3-4 year old children were fed 3 servings per day of either a FUF with 25 mg DHA, 1.2 g PDX/GOS, and 8.7 mg yeast β-glucan per serving or an unfortified, cow's milk-based beverage (control) for 28 weeks. Fecal and blood samples were collected to assess immune markers and iron/zinc status. Incidence of acute respiratory infections (ARI), diarrheal disease, and antibiotic treatment were obtained from medical records. RESULTS The FUF group had fewer episodes and shorter duration of ARI (mean days [SE]; control = 4.3 [0.2]; FUF = 3.5 [0.2]; P = .007), less antibiotic use (n [%]; control = 21 [14%]; FUF = 8 [5%]; P = .01), and fewer missed days of day care due to illness. No diarrheal disease was diagnosed in either group. The FUF group had higher interleukin-10 and white blood cell count at the end of the study. There were no differences in hemoglobin, serum ferritin and zinc, or fecal secretory immunoglobulin A. CONCLUSIONS Daily consumption of a FUF was associated with fewer episodes and shorter duration of ARI, as well as less antibiotic use. The children who consumed the FUF had increased interleukin-10 and white blood cells, suggesting an antiinflammatory mechanism and/or an increase of effector immune cells.
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Affiliation(s)
- Fei Li
- Developmental and Behavioral Pediatric Department, Shanghai Children's Medical Center, Shanghai Jiaotong University School of Medicine, Shanghai, China; and
| | - Xingming Jin
- Developmental and Behavioral Pediatric Department, Shanghai Children's Medical Center, Shanghai Jiaotong University School of Medicine, Shanghai, China; and
| | - Bryan Liu
- Clinical Research, Department of Medical Affairs, Mead Johnson Nutrition, Evansville, Indiana
| | - Weihong Zhuang
- Clinical Research, Department of Medical Affairs, Mead Johnson Nutrition, Evansville, Indiana
| | - Deolinda Scalabrin
- Clinical Research, Department of Medical Affairs, Mead Johnson Nutrition, Evansville, Indiana
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Civardi E, Garofoli F, Mazzucchelli I, Angelini M, Manzoni P, Stronati M. Enteral nutrition and infections: the role of human milk. Early Hum Dev 2014; 90 Suppl 1:S57-9. [PMID: 24709462 DOI: 10.1016/s0378-3782(14)70019-2] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Abstract
Human milk (HM) is known as the best nutrition for newborns and support the optimal growth of infants, providing essential substances, nutrients, bioactive and immunologic constituents. HM also grants a favorable microbial colonization with attendant priming/maturation of the gut. The bioactive and immunologic elements of HM demonstrated to protect offspring against infection and inflammation and contribute to immune maturation. Some of these elements are being investigated in order to be used to ameliorate formula milk. A formula milk similar to breast milk may help neonatal gut to build a microbiota near to the one of the breast fed infants, improving the neonate's protection against pathogens. The aim of this review is to summarize the most significant bioactive constituents of HM that own natural anti-infectious properties and contribute to neonatal immune defense.
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Affiliation(s)
- Elisa Civardi
- Neonatal Unit and Neonatal Intensive Care Unit, Fondazione IRCCS Policlinico San Matteo, Pavia, Italy
| | - Francesca Garofoli
- Neonatal Immunology Laboratory, Neonatal Intensive Care Unit, Fondazione IRCCS Policlinico San Matteo, Pavia, Italy.
| | - Iolanda Mazzucchelli
- Neonatal Immunology Laboratory, Neonatal Intensive Care Unit, Fondazione IRCCS Policlinico San Matteo, Pavia, Italy; Department of Internal Medicine and Therapeutics, University of Pavia, Italy
| | - Micol Angelini
- Neonatal Immunology Laboratory, Neonatal Intensive Care Unit, Fondazione IRCCS Policlinico San Matteo, Pavia, Italy
| | - Paolo Manzoni
- Neonatology and NICU, S. Anna Hospital, Torino, Italy
| | - Mauro Stronati
- Neonatal Unit and Neonatal Intensive Care Unit, Fondazione IRCCS Policlinico San Matteo, Pavia, Italy; Neonatal Immunology Laboratory, Neonatal Intensive Care Unit, Fondazione IRCCS Policlinico San Matteo, Pavia, Italy
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