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Lopes PA, Alfaia CM, Pestana JM, Prates JAM. Structured Lipids Engineering for Health: Novel Formulations Enriched in n-3 Long-Chain Polyunsaturated Fatty Acids with Potential Nutritional Benefits. Metabolites 2023; 13:1060. [PMID: 37887385 PMCID: PMC10608893 DOI: 10.3390/metabo13101060] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2023] [Revised: 09/28/2023] [Accepted: 10/06/2023] [Indexed: 10/28/2023] Open
Abstract
Structured lipids (SLs) offer a promising avenue for designing novel formulations enriched in n-3 long-chain polyunsaturated fatty acids (LCPUFAs) with potential health benefits. Triacylglycerols (TAGs), the most common fats in the human diet, are both non-toxic and chemically stable. The metabolic efficiency and digestibility of TAGs are significantly influenced by the position of fatty acids (FAs) within the glycerol backbone, with FAs at the sn-2 position being readily absorbed. Over the past two decades, advancements in SL research have led to the development of modified TAGs, achieved either through chemical or enzymatic processes, resulting in SLs. The ideal structure of SLs involves medium-chain FAs at the sn-1,3 positions and long-chain n-3 LCPUFAs at the sn-2 position of the glycerol backbone, conferring specific physicochemical and nutritional attributes. These tailored SL formulations find wide-ranging applications in the food and nutraceutical industries, showing promise for dietary support in promoting health and mitigating various diseases. In particular, SLs can be harnessed as functional oils to augment TAG metabolism, thereby impeding the development of fatty liver, countering the onset of obesity, and preventing atherosclerosis and age-related chronic diseases. In scrutinising prevailing research trajectories, this review endeavours to provide an in-depth analysis of the multifaceted advantages and repercussions associated with the synthesis of SLs. It elucidates their burgeoning potential in enhancing health and well-being across a range of demographic cohorts. Specifically, the implications of SL utilisation are discussed in the context of healthcare environments and early childhood developmental support.
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Affiliation(s)
- Paula A. Lopes
- CIISA—Centro de Investigação Interdisciplinar em Sanidade Animal, Faculdade de Medicina Veterinária, Pólo Universitário do Alto da Ajuda, Universidade de Lisboa, Avenida da Universidade Técnica, 1300-477 Lisbon, Portugal; (C.M.A.); (J.M.P.); (J.A.M.P.)
- Laboratório Associado para Ciência Animal e Veterinária (AL4AnimalS), Faculdade de Medicina Veterinária, Universidade de Lisboa, 1300-477 Lisbon, Portugal
| | - Cristina M. Alfaia
- CIISA—Centro de Investigação Interdisciplinar em Sanidade Animal, Faculdade de Medicina Veterinária, Pólo Universitário do Alto da Ajuda, Universidade de Lisboa, Avenida da Universidade Técnica, 1300-477 Lisbon, Portugal; (C.M.A.); (J.M.P.); (J.A.M.P.)
- Laboratório Associado para Ciência Animal e Veterinária (AL4AnimalS), Faculdade de Medicina Veterinária, Universidade de Lisboa, 1300-477 Lisbon, Portugal
| | - José M. Pestana
- CIISA—Centro de Investigação Interdisciplinar em Sanidade Animal, Faculdade de Medicina Veterinária, Pólo Universitário do Alto da Ajuda, Universidade de Lisboa, Avenida da Universidade Técnica, 1300-477 Lisbon, Portugal; (C.M.A.); (J.M.P.); (J.A.M.P.)
- Laboratório Associado para Ciência Animal e Veterinária (AL4AnimalS), Faculdade de Medicina Veterinária, Universidade de Lisboa, 1300-477 Lisbon, Portugal
| | - José A. M. Prates
- CIISA—Centro de Investigação Interdisciplinar em Sanidade Animal, Faculdade de Medicina Veterinária, Pólo Universitário do Alto da Ajuda, Universidade de Lisboa, Avenida da Universidade Técnica, 1300-477 Lisbon, Portugal; (C.M.A.); (J.M.P.); (J.A.M.P.)
- Laboratório Associado para Ciência Animal e Veterinária (AL4AnimalS), Faculdade de Medicina Veterinária, Universidade de Lisboa, 1300-477 Lisbon, Portugal
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Pradelli L, Mayer K, Klek S, Rosenthal MD, Povero M, Heller AR, Muscaritoli M. Omega-3 fatty acids in parenteral nutrition - A systematic review with network meta-analysis on clinical outcomes. Clin Nutr 2023; 42:590-599. [PMID: 36878111 DOI: 10.1016/j.clnu.2023.02.008] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2022] [Revised: 01/20/2023] [Accepted: 02/09/2023] [Indexed: 02/20/2023]
Abstract
BACKGROUND & AIMS Accumulating scientific evidence supports the benefits of parenteral nutrition (PN) with fish oil (FO) containing intravenous lipid emulsions (ILEs) on clinical outcomes. Yet, the question of the most effective ILE remains controversial. We conducted a network meta-analysis (NMA) to compare and rank different types of ILEs in terms of their effects on infections, sepsis, ICU and hospital length of stay, and in-hospital mortality in adult patients. METHODS MEDLINE, EMBASE, and Web of Science databases were searched for randomized controlled trials (RCTs) published up to May 2022, investigating ILEs as a part of part of PN covering at least 70% of total energy provision. Lipid emulsions were classified in four categories: FO-ILEs, olive oil (OO)-ILEs, medium-chain triglyceride (MCT)/soybean oil (SO)-ILEs, and pure SO-ILEs. Data were statistically combined through Bayesian NMA and the Surface Under the Cumulative RAnking (SUCRA) was calculated for all outcomes. RESULTS 1651 publications were retrieved in the original search, 47 RCTs were included in the NMA. For FO-ILEs, very highly credible reductions in infection risk versus SO-ILEs [odds ratio (OR) = 0.43 90% credibility interval (CrI) (0.29-0.63)], MCT/soybean oil-ILEs [0.59 (0.43-0.82)], and OO-ILEs [0.56 (0.33-0.91)], and in sepsis risk versus SO-ILEs [0.22 (0.08-0.59)], as well as substantial reductions in hospital length of stay versus SO-ILEs [mean difference (MD) = -2.31 (-3.14 to -1.59) days] and MCT/SO-ILEs (-2.01 (-2.82 to -1.22 days) were shown. According to SUCRA score, FO-ILEs were ranked first for all five outcomes. CONCLUSIONS In hospitalized patients, FO-ILEs provide significant clinical benefits over all other types of ILEs, ranking first for all outcomes investigated. REGISTRATION NO PROSPERO 2022 CRD42022328660.
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Affiliation(s)
| | - Konstantin Mayer
- Department of Internal Medicine, Pneumology and Sleep Medicine, ViDia Kliniken, Karlsruhe, University Hospital of Giessen and Marburg, Giessen, Germany.
| | - Stanislaw Klek
- Surgical Oncology Clinic, The Maria Sklodowska-Curie National Cancer Institute, 31-115 Krakow, Poland.
| | - Martin D Rosenthal
- Department of Surgery, Division of Trauma and Acute Care Surgery, University of Florida College of Medicine, Gainesville, FL, USA.
| | | | - Axel R Heller
- Department of Anaesthesiology and Intensive Care Medicine, University of Augsburg, Augsburg, Germany.
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Sadu Singh BK, Narayanan SS, Khor BH, Sahathevan S, Abdul Gafor AH, Fiaccadori E, Sundram K, Karupaiah T. Composition and Functionality of Lipid Emulsions in Parenteral Nutrition: Examining Evidence in Clinical Applications. Front Pharmacol 2020; 11:506. [PMID: 32410990 PMCID: PMC7201073 DOI: 10.3389/fphar.2020.00506] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2019] [Accepted: 03/31/2020] [Indexed: 12/22/2022] Open
Abstract
Lipid emulsions (LEs), an integral component in parenteral nutrition (PN) feeding, have shifted from the primary aim of delivering non-protein calories and essential fatty acids to defined therapeutic outcomes such as reducing inflammation, and improving metabolic and clinical outcomes. Use of LEs in PN for surgical and critically ill patients is particularly well established, and there is enough literature assigning therapeutic and adverse effects to specific LEs. This narrative review contrarily puts into perspective the fatty acid compositional (FAC) nature of LE formulations, and discusses clinical applications and outcomes according to the biological function and structural functionality of fatty acids and co-factors such as phytosterols, α-tocopherol, emulsifiers and vitamin K. In addition to soybean oil-based LEs, this review covers clinical studies using the alternate LEs that incorporates physical mixtures combining medium- and long-chain triglycerides or structured triglycerides or the unusual olive oil or fish oil. The Jaded score was applied to assess the quality of these studies, and we report outcomes categorized as per immuno-inflammatory, nutritional, clinical, and cellular level FAC changes. It appears that the FAC nature of LEs is the primary determinant of desired clinical outcomes, and we conclude that one type of LE alone cannot be uniformly applied to patient care.
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Affiliation(s)
- Birinder Kaur Sadu Singh
- Nutrition Programme, Faculty of Health Sciences, National University of Malaysia, Kuala Lumpur, Malaysia
| | | | - Ban Hock Khor
- Dietetics Programme, Faculty of Health Sciences, National University of Malaysia, Kuala Lumpur, Malaysia
| | - Sharmela Sahathevan
- Dietetics Programme, Faculty of Health Sciences, National University of Malaysia, Kuala Lumpur, Malaysia
| | - Abdul Halim Abdul Gafor
- Medical Department, Faculty of Medicine, Universiti Kebangsaan Malaysia Medical Centre, Kuala Lumpur, Malaysia
| | - Enrico Fiaccadori
- Acute and Chronic Renal Failure Unit, Department of Clinical and Experimental Medicine, University of Parma, Parma, Italy
| | | | - Tilakavati Karupaiah
- Faculty of Health & Medical Science, School of BioSciences, Taylor's University Lakeside Campus, Selangor, Malaysia
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Wu GH, Zaniolo O, Schuster H, Schlotzer E, Pradelli L. Structured triglycerides versus physical mixtures of medium- and long-chain triglycerides for parenteral nutrition in surgical or critically ill adult patients: Systematic review and meta-analysis. Clin Nutr 2017; 36:150-161. [DOI: 10.1016/j.clnu.2016.01.004] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2015] [Revised: 12/11/2015] [Accepted: 01/05/2016] [Indexed: 12/12/2022]
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Chambrier C, Lauverjat M, Bouletreau P. Structured Triglyceride Emulsions in Parenteral Nutrition. Nutr Clin Pract 2017; 21:342-50. [PMID: 16870802 DOI: 10.1177/0115426506021004342] [Citation(s) in RCA: 31] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Over the past 3 decades, various concepts for IV fat emulsions (IVFE) have been developed. A randomized, structured-lipid emulsion based on an old technology has recently become available. This structured-lipid emulsion is produced by mixing medium-chain triglycerides and long-chain triglycerides, then allowing hydrolysis to form free fatty acids, followed by random transesterification of the fatty acids into mixed triglyceride molecules. Studies in animals have shown an improvement in nitrogen balance with the use of these lipid emulsions. Only 8 human clinical studies with these products have been performed. The results of these human clinical studies have been less promising than the animal studies; however, an improvement in nitrogen balance and lipid metabolism exceeds results associated with infusion of long-chain triglycerides (LCT) or a physical mixture of long-chain triglycerides and medium-chain triglycerides (LCT-MCT). Structured-lipid emulsion seems to induce less elevation in serum liver function values compared with standard IVFEs. In addition, structured-lipid emulsions have no detrimental effect on the reticuloendothelial system. Further studies are necessary in order to recommend the use of structured-lipid emulsions. The clinical community hopes that chemically defined structured triglycerides will make it possible to determine the distribution of specific fatty acids on a specific position on the glycerol core and therefore obtain specific activity for a specific clinical situation.
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Affiliation(s)
- C Chambrier
- Unité de Nutrition Clinique Intensive, Hôpital Edouard Herriot, 5 place d'Arsonval, 69003 Lyon, France.
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Waitzberg DL, Torrinhas RS, Jacintho TM. New Parenteral Lipid Emulsions for Clinical Use. JPEN J Parenter Enteral Nutr 2017; 30:351-67. [PMID: 16804134 DOI: 10.1177/0148607106030004351] [Citation(s) in RCA: 140] [Impact Index Per Article: 20.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Routine use of parenteral lipid emulsions (LE) in clinical practice began in 1961, with the development of soybean oil (SO) - based LE. Although clinically safe, experimental reports indicated that SO-based LE could exert a negative influence on immunological functions. Those findings were related to its absolute and relative excess of omega-6 polyunsaturated fatty acids (PUFA) and the low amount of omega-3 PUFA and also to its high PUFA content with an increased peroxidation risk. This motivated the development of new LE basically designed along the reduction of omega-6 PUFA and the omega-3 PUFA addition in order to obtain balanced levels of the omega-6/omega-3 ratio. The new LE for clinical use (available in Europe and South America) are differentiated by their content in polyunsaturated (omega-6 and omega-3), monounsaturated, and saturated fatty acids (FA), as well as FA source of their origin, including soy, coconut, olive, and fish oil. This article presents the new LE nutrition and energy functions but also its biochemical, metabolic, and immunomodulating aspects, according to their FA content. LE at 20% when infused from 1.0 to 2.0 g/kg body weight/day rates, either alone or in association with amino acids and glucose, are safe and well tolerated in routine clinical practice. LE combining SO with medium-chain triglycerides and/or olive oil have less omega-6 PUFA and are better metabolized, with less inflammatory and immunosuppressive effects than in relation to pure SO-based LE. The omega-3 PUFA used alone or as component of a new and complex LE (soy, MCT, olive and fish oil) has demonstrated anti-inflammatory and immunomodulatory effects.
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Affiliation(s)
- Dan L Waitzberg
- Laboratório de Fisiologia e Distúrbios Esfincterianos of University of São Paulo, School of Medicine, Department of Gastroenterology, Surgical Division, São Paulo, Brazil.
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Gad SC, Spainhour CB, Shoemake C, Pallman DRS, Stricker-Krongrad A, Downing PA, Seals RE, Eagle LA, Polhamus K, Daly J. Tolerable Levels of Nonclinical Vehicles and Formulations Used in Studies by Multiple Routes in Multiple Species With Notes on Methods to Improve Utility. Int J Toxicol 2016; 35:95-178. [PMID: 26755718 DOI: 10.1177/1091581815622442] [Citation(s) in RCA: 37] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Formulation of nonclinical evaluations is a challenge, with the fundamental need to achieve multiples of the clinical exposure complicated by differences in species and routes of administration-specific tolerances, depending on concentrations, volumes, dosing regimen, duration of each administration, and study duration. Current practice to approach these differences is based on individual experience and scattered literature with no comprehensive data source (the most notable exception being our 2006 publication on this same subject). Lack of formulation tolerance data results in excessive animal use, unplanned delays in the evaluation and development of drugs, and vehicle-dependent results. A consulting firm, a chemical company, and 4 contract research organizations conducted a rigorous data mining operation of vehicle data from studies dating from 1991 to 2015, enhancing the data from this author's 2006 publication (3 of the six 2015 contributors were also 2006 contributors). Additional data were found in the published literature. The results identified 108 single-component vehicles (and 305 combination formulations) used in more than 1,040 studies across multiple species (dog, primate, rat, mouse, rabbit, guinea pig, minipig, pig, chick embryo, and cat) by multiple routes for a wide range of study durations. The tabulated data include maximum tolerated use levels by species, route, duration of study, dose-limiting toxicity where reported, review of the available literature on each vehicle, guidance on syringe selection, volume and pH limits by route with basic guidance on nonclinical formulation development, and guidance on factors to be considered in nonclinical route selection.
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8
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Meta-analysis of structured triglyceride versus other lipid emulsions for parenteral nutrition. Nutrition 2013; 29:833-40. [DOI: 10.1016/j.nut.2012.11.014] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2012] [Revised: 11/03/2012] [Accepted: 11/23/2012] [Indexed: 11/17/2022]
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9
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Vanek VW, Seidner DL, Allen P, Bistrian B, Collier S, Gura K, Miles JM, Valentine CJ, Kochevar M. A.S.P.E.N. Position Paper. Nutr Clin Pract 2012; 27:150-92. [DOI: 10.1177/0884533612439896] [Citation(s) in RCA: 122] [Impact Index Per Article: 10.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023] Open
Affiliation(s)
| | | | - Penny Allen
- Critical Care Systems, Exeter, New Hampshire
| | - Bruce Bistrian
- Beth Israel Deaconess Medical Center, Boston, Massachusetts
| | | | | | | | | | - Marty Kochevar
- American Society for Parenteral and Enteral Nutrition, Silver Spring, Maryland
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10
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11
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Rollins CJ. Effects of intravenous lipid emulsions in postoperative patients. JPEN J Parenter Enteral Nutr 2009; 33:571-2. [PMID: 19564626 DOI: 10.1177/0148607109332775] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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12
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Puiggròs C, Sánchez J, Chacón P, Sabín P, Roselló J, Bou R, Planas M. Evolution of Lipid Profile, Liver Function, and Pattern of Plasma Fatty Acids According to the Type of Lipid Emulsion Administered in Parenteral Nutrition in the Early Postoperative Period After Digestive Surgery. JPEN J Parenter Enteral Nutr 2009; 33:501-12. [DOI: 10.1177/0148607109333001] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Affiliation(s)
- C. Puiggròs
- From the Nutritional Support Unit and Health Outcomes Research and Evaluation Unit, Hospital Universitari Vall d'Hebron, Barcelona, Spain; and Cátedra de Nutrición y Bromatología, Facultad de Farmacia, Universidad de Barcelona, Barcelona, Spain
| | - J. Sánchez
- From the Nutritional Support Unit and Health Outcomes Research and Evaluation Unit, Hospital Universitari Vall d'Hebron, Barcelona, Spain; and Cátedra de Nutrición y Bromatología, Facultad de Farmacia, Universidad de Barcelona, Barcelona, Spain
| | - P. Chacón
- From the Nutritional Support Unit and Health Outcomes Research and Evaluation Unit, Hospital Universitari Vall d'Hebron, Barcelona, Spain; and Cátedra de Nutrición y Bromatología, Facultad de Farmacia, Universidad de Barcelona, Barcelona, Spain
| | - P. Sabín
- From the Nutritional Support Unit and Health Outcomes Research and Evaluation Unit, Hospital Universitari Vall d'Hebron, Barcelona, Spain; and Cátedra de Nutrición y Bromatología, Facultad de Farmacia, Universidad de Barcelona, Barcelona, Spain
| | - J. Roselló
- From the Nutritional Support Unit and Health Outcomes Research and Evaluation Unit, Hospital Universitari Vall d'Hebron, Barcelona, Spain; and Cátedra de Nutrición y Bromatología, Facultad de Farmacia, Universidad de Barcelona, Barcelona, Spain
| | - R. Bou
- From the Nutritional Support Unit and Health Outcomes Research and Evaluation Unit, Hospital Universitari Vall d'Hebron, Barcelona, Spain; and Cátedra de Nutrición y Bromatología, Facultad de Farmacia, Universidad de Barcelona, Barcelona, Spain
| | - M. Planas
- From the Nutritional Support Unit and Health Outcomes Research and Evaluation Unit, Hospital Universitari Vall d'Hebron, Barcelona, Spain; and Cátedra de Nutrición y Bromatología, Facultad de Farmacia, Universidad de Barcelona, Barcelona, Spain
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Abstract
Enteral and parenteral feeds need at least to contain adequate amounts of water, energy, protein, electrolytes, vitamins and trace elements. Ready-manufactured parenteral feeds for example are incomplete because of shelf-life constraints and require the addition of vitamins (especially) and trace elements. Acute vitamin deficiencies, notably thiamine deficiency, can be precipitated if this is not adhered to. An increasing interest, however, exists in the use of feeds containing substrates, which are intended to improve patient outcome in particular clinical circumstances. The purpose of this article is to examine as to what is available and make recommendations on their use. It deals with artificial feeds only - disease-specific diets are outside our remit.
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Affiliation(s)
- Mahmood Wahed
- Barts and the London, Queen Mary's School of Medicine and Dentistry, London, UK
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14
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Gad SC, Cassidy CD, Aubert N, Spainhour B, Robbe H. Nonclinical vehicle use in studies by multiple routes in multiple species. Int J Toxicol 2007; 25:499-521. [PMID: 17132609 DOI: 10.1080/10915810600961531] [Citation(s) in RCA: 107] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
The laboratory toxicologist is frequently faced with the challenge of selecting appropriate vehicles or developing utilitarian formulations for use in in vivo nonclinical safety assessment studies. Although there are many vehicles available that may meet physical and chemical requirements for chemical or pharmaceutical formulation, there are wide differences in species and route of administration specific to tolerances to these vehicles. In current practice, these differences are largely approached on a basis of individual experience as there is only scattered literature on individual vehicles and no comprehensive treatment or information source. This approach leads to excessive animal use and unplanned delays in testing and development. To address this need, a consulting firm and three contract research organizations conducted a rigorous data mining operation of control (vehicle) data from studies dating from 1991 to present. The results identified 65 single component vehicles used in 368 studies across multiple species (dog, primate, rat, mouse, rabbit, guinea pig, minipig, chick embryo, and cat) by multiple routes. Reported here are the results of this effort, including maximum tolerated use levels by species, route, and duration of study, with accompanying dose limiting toxicity. Also included are basic chemical information and a review of available literature on each vehicle, as well as guidance on volume limits and pH by route and some basic guidance on nonclinical formulation development.
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Affiliation(s)
- Shayne C Gad
- Gad Consulting Services, Cary, North Carolina 27518, USA.
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15
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Vistisen B, Mu H, Høy CE. Lymphatic recovery of exogenous oleic acid in rats on long chain or specific structured triacylglycerol diets. Lipids 2007; 41:827-34. [PMID: 17152919 DOI: 10.1007/s11745-006-5037-2] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
Abstract
Specific structured triacylglycerols, MLM (M = medium-chain fatty acid, L = long-chain fatty acid), rapidly deliver energy and long-chain fatty acids to the body and are used for longer periods in human enteral feeding. In the present study rats were fed diets of 10 wt% MLM or LLL (L = oleic acid [18:1 n-9], M = caprylic acid [8:01) for 2 wk. Then lymph was collected 24 h following administration of a single bolus of 13C-labeled MLM or LLL. The total lymphatic recovery of exogenous 18:1 n-9 24 h after administration of a single bolus of MLM or LLL was similar in rats on the LLL diet (43% and 45%, respectively). However, the recovery of exogenous 18:1 n-9 was higher after a single bolus of MLM compared with a bolus of LLL in rats on the MLM diet (40% and 24%, respectively, P = 0.009). The recovery of lymphatic 18:1 n-9 of the LLL bolus tended to depend on the diet triacylglycerol structure and composition (P= 0.07). This study demonstrated that with a diet containing specific structured triacylglycerol, the lymphatic recovery of 18:1 n-9 after a single bolus of fat was dependent on the triacylglycerol structure of the bolus. This indicates that the lymphatic recovery of long-chain fatty acids from a single meal depends on the overall long-chain fatty acid composition of the habitual diet. This could have implications for enteral feeding for longer periods.
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Affiliation(s)
- Bodil Vistisen
- BioCentrum-DTU, Section of Biochemistry & Nutrition, The Technical University of Denmark, 2800 Lyngby, Denmark.
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16
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Mu H, Porsgaard T. The metabolism of structured triacylglycerols. Prog Lipid Res 2005; 44:430-48. [PMID: 16269186 DOI: 10.1016/j.plipres.2005.09.002] [Citation(s) in RCA: 172] [Impact Index Per Article: 9.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2005] [Accepted: 09/14/2005] [Indexed: 11/28/2022]
Abstract
The triacylglycerol (TAG) structure in addition to the overall fatty acid profile is of importance when considering the nutritional effect of a dietary fat. This review aims at summarizing our current knowledge of the digestion, absorption, uptake, and transport of structured TAGs, with particular emphasis on the following aspects: gastric emptying, specificity of pancreatic lipase, lymphatic transport and clearance of chylomicrons, effects of lipid structure on tissue lipid compositions and the fecal loss of fats. So an overview will be provided for how the structure and fatty acid composition of TAGs affect their absorption and the distribution of the fatty acids in the body following digestion and absorption.
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Affiliation(s)
- Huiling Mu
- BioCentrum-DTU, Biochemistry and Nutrition Group, Center for Advanced Food Studies, The Technical University of Denmark, Building 224, DK-2800 Lyngby, Denmark.
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Dall'Osto H, Simard M, Delmont N, Mann G, Hermitte M, Cabrit R, Théodore C. Nutrition parentérale : indications, modalités et complications. ACTA ACUST UNITED AC 2005. [DOI: 10.1016/j.emchg.2005.04.001] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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Osborn HT, Akoh CC. Structured Lipids-Novel Fats with Medical, Nutraceutical, and Food Applications. Compr Rev Food Sci Food Saf 2002; 1:110-120. [PMID: 33451231 DOI: 10.1111/j.1541-4337.2002.tb00010.x] [Citation(s) in RCA: 117] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Generally, structured lipids (SLs) are triacylglycerols (TAGs) that have been modified to change the fatty acid composition and/or their positional distribution in glycerol backbone by chemically and/or enzymatically catalyzed reactions and/or genetic engineering. More specifically, SLs are modified TAGs with improved nutritional or functional properties. SLs provide an effective means for producing tailor-made lipids with desired physical characteristics, chemical properties, and/or nutritional benefits. The production, commercialization outlook, medical, and food applications of SLs are reviewed here. Physical property measurements for SL in food systems and future research needs for increased industrial acceptance are also included in this review.
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Affiliation(s)
- H T Osborn
- The authors are with the Univ. of Georgia, Dept. of Food Science and Technology, Food Science Building, Athens, GA 30602-7610
| | - C C Akoh
- The authors are with the Univ. of Georgia, Dept. of Food Science and Technology, Food Science Building, Athens, GA 30602-7610
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Interactions protéines — Énergie. NUTR CLIN METAB 2000. [DOI: 10.1016/s0985-0562(00)80028-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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Dobies J. TPN and colorectal surgery. JPEN J Parenter Enteral Nutr 2000; 24:254. [PMID: 10885722 DOI: 10.1177/0148607100024004254a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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21
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Vers l'optimisation des substrats en nutrition parentérale. NUTR CLIN METAB 1999. [DOI: 10.1016/s0985-0562(99)80071-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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Scientific surgery. Br J Surg 1999; 86:1594. [PMID: 10594511 DOI: 10.1046/j.1365-2168.1999.01311.x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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Affiliation(s)
- J L Rombeau
- Department of Surgery, University of Pennsylvania, Philadelphia, USA
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Abstract
Nutritional support has become a routine part of the care of the critically ill patient. It is an adjunctive therapy, the main goal of which is to attenuate the development of malnutrition, yet the effectiveness of nutritional support is often thwarted by an underlying hostile metabolic milieu. This requires that these metabolic changes be taken into consideration when designing nutritional regimens for such patients. There is also a need to conduct large, multi-center studies to acquire more knowledge of the cost-benefit and cost effectiveness of nutritional support in the critically ill.
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Affiliation(s)
- C Weissman
- Department of Anesthesiology and Critical Care Medicine, Hebrew University-Hadassah, School of Medicine, Jerusalem, Israel.
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