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Robinson SR, Greenway FL, Deth RC, Fayet-Moore F. Effects of Different Cow-Milk Beta-Caseins on the Gut-Brain Axis: A Narrative Review of Preclinical, Animal, and Human Studies. Nutr Rev 2024:nuae099. [PMID: 39024213 DOI: 10.1093/nutrit/nuae099] [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] [Indexed: 07/20/2024] Open
Abstract
The gut and brain communicate through bidirectional neural, endocrine, and immune signals to coordinate central nervous system activity with gastrointestinal function. Dysregulated inflammation can promote immune cell activation and increase entero-endocrine signaling and intestinal permeability; hence, a functional gut-brain axis is necessary for a healthy digestive system. The consumption of milk products can lead to gut discomfort via effects on gastrointestinal tract function and the inflammatory state, which, in turn, affect the brain. A1 β-casein and A2 β-casein are major components of bovine-milk protein, and their digestion may result in different physiological effects following the consumption of milk products. Peptides derived from A1 β-casein, such as β-casomorphins, may increase gut dysfunction and inflammation, thereby modulating the availability of bioactive metabolites in the bloodstream and contribute to changes in cognitive function. This narrative review examines the functional interrelationships between the consumption of cow-milk-derived β-caseins and their effect on the brain, immune system, and the gut, which together comprise the gut-brain axis.
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Affiliation(s)
- Stephen R Robinson
- School of Health and Biomedical Sciences, RMIT University, Bundoora, 3083 Victoria, Australia
| | - Frank L Greenway
- Pennington Biomedical Research Center, Louisiana State University System, Baton Rouge, LA 70808, United States
| | - Richard C Deth
- Department of Pharmaceutical Sciences, Nova Southeastern University, Fort Lauderdale, FL 33328, United States
| | - Flavia Fayet-Moore
- Department of Science, FOODiQ, New South Wales, Sydney, Australia
- School of Environmental and Life Sciences, The University of Newcastle, Ourimbah, 2258 New South Wales, Australia
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2
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Rathi A, Potale S, Vaze R, Muley AB, Jadhav S. In vitro simulated study of macronutrient digestion in complex food using digestive enzyme supplement. Heliyon 2024; 10:e30250. [PMID: 38707299 PMCID: PMC11066670 DOI: 10.1016/j.heliyon.2024.e30250] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2023] [Revised: 04/16/2024] [Accepted: 04/23/2024] [Indexed: 05/07/2024] Open
Abstract
Digestive enzymes secreted by the body are vital for digestion and nutrient absorption. Enzyme supplements are commonly used to support them in achieving optimal digestion. Herein, the efficacy of digestive enzyme supplement (DigeSEB Super) in digestion of complex food was assessed using INFOGEST simulated static and modified semi-dynamic in vitro digestion models. Digestive enzyme supplement was found to assist the endogenous digestive enzymes to disintegrate the food matrix. Hence, it reduced the viscosity of the gastric digesta by 2.75 fold (p = 0.04) compared to the control digestion (only endogenous digestive enzymes) during the first hour of digestion. Similarly, enzyme supplement showed statistically higher release of reducing sugars in the gastric digestion (p ≤ 0.05) indicating improved digestion of carbohydrates. Further, digestion of proteins and fats was also improved in the presence of enzyme supplement. The kinetic aspects of the semi-dynamic model (transient nature of gastric secretions and gradual acidification) was found to alter the macronutrient digestion compared to the static digestion. Thus, semi-dynamic model should be preferred for the in vitro studies. Overall, current study demonstrated the potential of a digestive enzyme supplement to improve digestion by aiding digestive action of the endogenous enzymes.
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Affiliation(s)
- Abhijit Rathi
- Human Nutrition Department, Advanced Enzymes Technologies Ltd., Louiswadi, Thane (W), 400604, India
| | - Sneha Potale
- Human Nutrition Department, Advanced Enzymes Technologies Ltd., Louiswadi, Thane (W), 400604, India
| | - Rutuja Vaze
- Human Nutrition Department, Advanced Enzymes Technologies Ltd., Louiswadi, Thane (W), 400604, India
| | - Abhijeet B. Muley
- Human Nutrition Department, Advanced Enzymes Technologies Ltd., Louiswadi, Thane (W), 400604, India
| | - Swati Jadhav
- Human Nutrition Department, Advanced Enzymes Technologies Ltd., Louiswadi, Thane (W), 400604, India
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3
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Cailleaux PE, Déchelotte P, Coëffier M. Novel dietary strategies to manage sarcopenia. Curr Opin Clin Nutr Metab Care 2024; 27:234-243. [PMID: 38391396 DOI: 10.1097/mco.0000000000001023] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/24/2024]
Abstract
PURPOSE OF REVIEW Sarcopenia is a wasting disease, mostly age-related in which muscle strength and mass decline, such as physical performance. With aging, both lower dietary protein intake and anabolic resistance lead to sarcopenia. Moreover, aging and sarcopenia display low-grade inflammation, which also worsen muscle condition. In this review, we focused on these two main targets to study dietary strategies. RECENT FINDINGS The better understanding in mechanisms involved in sarcopenia helps building combined dietary approaches including physical activity that would slow the disease progression. New approaches include better understanding in the choice of quality proteins, their amount and schedule and the association with antioxidative nutrients. SUMMARY First, anabolic resistance can be countered by increasing significantly protein intake. If increasing amount remains insufficient, the evenly delivery protein schedule provides interesting results on muscle strength. Quality of protein is also to consider for decreasing risk for sarcopenia, because varying sources of proteins appears relevant with increasing plant-based proteins ratio. Although new techniques have been developed, as plant-based proteins display a lower availability, we need to ensure an adapted overall amount of proteins. Finally, specific enrichment with leucine from whey protein remains the dietary combined approach most studied and studies on citrulline provide interesting results. As cofactor at the edge between anabolic and antioxidative properties, vitamin D supplementation is to recommend. Antioxidative dietary strategies include both fibers, vitamins, micronutrients and polyphenols from various sources for positive effects on physical performance. The ω 3 -polyunsaturated fatty acids also display positive modifications on body composition. Gut microbiota modifiers, such as prebiotics, are promising pathways to improve muscle mass and function and body composition in sarcopenic patients. Nutritional interventions could be enhanced by combination with physical activity on sarcopenia. In healthy older adults, promoting change in lifestyle to get near a Mediterranean diet could be one of the best options. In sarcopenia adults in which lifestyle changes appears unprobable, specific enrichement potentialized with physical activity will help in the struggle against sarcopenia. Longitudinal data are lacking, which makes it hard to draw strong conclusions. However, the effects of a physical activity combined with a set of nutrition interventions on sarcopenia seems promising.
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Affiliation(s)
| | - Pierre Déchelotte
- Univ Rouen Normandie, Inserm, ADEN UMR 1073, Nutrition, Inflammation and Microbiota Gut Brain Axis, CHU Rouen
| | - Moïse Coëffier
- Univ Rouen Normandie, Inserm, ADEN UMR 1073, Nutrition, inflammation and Microbiota Gut Brain Axis, CHU Rouen, Department of Nutrition and CIC-CRB 1404, Rouen, France
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Bjørklund G, Meguid NA, Hemimi M, Sahakyan E, Fereshetyan K, Yenkoyan K. The Role of Dietary Peptides Gluten and Casein in the Development of Autism Spectrum Disorder: Biochemical Perspectives. Mol Neurobiol 2024:10.1007/s12035-024-04099-3. [PMID: 38472652 DOI: 10.1007/s12035-024-04099-3] [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: 10/05/2023] [Accepted: 03/04/2024] [Indexed: 03/14/2024]
Abstract
This paper examines the role of dietary peptides gluten and casein in modulating brain function in individuals with autism spectrum disorder (ASD) from a biochemical perspective. Neurotransmitter systems and neural networks are crucial for brain function, and alterations at the biochemical level can contribute to the characteristic symptoms and behaviors of ASD. The paper explores how dietary peptides influence neurotransmitter systems and neural networks, highlighting their potential as interventions to improve brain function in ASD. The evidence suggests that dietary peptides can impact neurotransmitter synthesis, release, and receptor interactions, disrupting the balance of neurotransmitter systems and affecting neural network function. The findings underscore the potential of dietary interventions in modulating brain function in ASD and call for further research to elucidate the underlying mechanisms and optimize clinical practice. Considering individual dietary sensitivities and preferences, personalized dietary approaches may be necessary for optimal outcomes. Dietary interventions' timing, duration, and integration with other evidence-based treatments are crucial considerations. Safety considerations and regular monitoring are important to ensure the implementation of dietary interventions safely and effectively.
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Affiliation(s)
- Geir Bjørklund
- Council for Nutritional and Environmental Medicine (CONEM), Toften 24, 8610, Mo i Rana, Norway.
| | - Nagwa A Meguid
- Research on Children with Special Needs Department, National Research Centre, Giza, Egypt
- CONEM Egypt Child Brain Research Group, National Research Centre, Giza, Egypt
| | - Maha Hemimi
- Research on Children with Special Needs Department, National Research Centre, Giza, Egypt
| | - Elen Sahakyan
- Neuroscience Laboratory, Cobrain Center, Yerevan State Medical University after M. Heratsi, 2 Koryun, 0025, Yerevan, Armenia
- Department of Pharmacy, Yerevan State Medical University after M. Heratsi, Yerevan, Armenia
| | - Katarine Fereshetyan
- Neuroscience Laboratory, Cobrain Center, Yerevan State Medical University after M. Heratsi, 2 Koryun, 0025, Yerevan, Armenia
- Department of Biochemistry, Yerevan State Medical University after M. Heratsi, Yerevan, Armenia
| | - Konstantin Yenkoyan
- Neuroscience Laboratory, Cobrain Center, Yerevan State Medical University after M. Heratsi, 2 Koryun, 0025, Yerevan, Armenia.
- Department of Biochemistry, Yerevan State Medical University after M. Heratsi, Yerevan, Armenia.
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Parkar N, Dalziel JE, Spencer NJ, Janssen P, McNabb WC, Young W. Slowed gastrointestinal transit is associated with an altered caecal microbiota in an aged rat model. Front Cell Infect Microbiol 2023; 13:1139152. [PMID: 36998634 PMCID: PMC10043340 DOI: 10.3389/fcimb.2023.1139152] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2023] [Accepted: 02/27/2023] [Indexed: 03/15/2023] Open
Abstract
Gastrointestinal (GI) motility is largely dependent upon activity within the enteric nervous system (ENS) and is an important part of the digestive process. Dysfunction of the ENS can impair GI motility as is seen in the case of constipation where gut transit time is prolonged. Animal models mimicking symptoms of constipation have been developed by way of pharmacological manipulations. Studies have reported an association between altered GI motility and gut microbial population. Little is known about the changes in gut microbiota profile resulting specifically from pharmacologically induced slowed GI motility in rats. Moreover, the relationship between gut microbiota and altered intestinal motility is based on studies using faecal samples, which are easier to obtain but do not accurately reflect the intestinal microbiome. The aim of this study was to examine how delayed GI transit due to opioid receptor agonism in the ENS modifies caecal microbiota composition. Differences in caecal microbial composition of loperamide-treated or control male Sprague Dawley rats were determined by 16S rRNA gene amplicon sequencing. The results revealed that significant differences were observed at both genus and family level between treatment groups. Bacteroides were relatively abundant in the loperamide-induced slowed GI transit group, compared to controls. Richness and diversity of the bacterial communities was significantly lower in the loperamide-treated group compared to the control group. Understanding the link between specific microbial species and varying transit times is crucial to design interventions targeting the microbiome and to treat intestinal motility disorders.
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Affiliation(s)
- Nabil Parkar
- Smart Foods and Bioproducts, AgResearch Smart, Palmerston North, New Zealand
- Riddet Institute, Massey University, Palmerston North, New Zealand
- School of Food and Advanced Technology, Massey University, Palmerston North, New Zealand
- *Correspondence: Nabil Parkar,
| | - Julie E. Dalziel
- Smart Foods and Bioproducts, AgResearch Smart, Palmerston North, New Zealand
| | - Nick J. Spencer
- Discipline of Physiology, College of Medicine and Public Health, Flinders University, School of Medicine, Adelaide, SA, Australia
| | - Patrick Janssen
- School of Food and Advanced Technology, Massey University, Palmerston North, New Zealand
| | - Warren C. McNabb
- Riddet Institute, Massey University, Palmerston North, New Zealand
| | - Wayne Young
- Smart Foods and Bioproducts, AgResearch Smart, Palmerston North, New Zealand
- Riddet Institute, Massey University, Palmerston North, New Zealand
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Peptidomic Characterization and Amino Acid Availability after Intake of Casein vs. a Casein Hydrolysate in a Pig Model. Nutrients 2023; 15:nu15051065. [PMID: 36904065 PMCID: PMC10005447 DOI: 10.3390/nu15051065] [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: 01/25/2023] [Revised: 02/16/2023] [Accepted: 02/17/2023] [Indexed: 02/23/2023] Open
Abstract
It is known that casein hydrolysis accelerates gastrointestinal transit in comparison to intact casein, although the effect of the protein hydrolysis on the composition of the digests is not fully understood. The aim of this work is to characterize, at the peptidome level, duodenal digests from pigs, as a model of human digestion, fed with micellar casein and a previously described casein hydrolysate. In addition, in parallel experiments, plasma amino acid levels were quantified. A slower transit of nitrogen to the duodenum was found when the animals received micellar casein. Duodenal digests from casein contained a wider range of peptide sizes and a higher number of peptides above five amino acids long in comparison with the digests from the hydrolysate. The peptide profile was markedly different, and although β-casomorphin-7 precursors were also found in hydrolysate samples, other opioid sequences were more abundant in the casein digests. Within the same substrate, the evolution of the peptide pattern at different time points showed minimal changes, suggesting that the protein degradation rate relies more on the gastrointestinal location than on digestion time. Higher plasma concentrations of methionine, valine, lysine and amino acid metabolites were found in animals fed with the hydrolysate at short times (<200 min). The duodenal peptide profiles were evaluated with discriminant analysis tools specific for peptidomics to identify sequence differences between both substrates that can be used for future human physiological and metabolic studies.
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Whey-Adapted versus Natural Cow's Milk Formulation: Distinctive Feeding Responses and Post-Ingestive c-Fos Expression in Laboratory Mice. Foods 2022; 11:foods11020141. [PMID: 35053873 PMCID: PMC8774298 DOI: 10.3390/foods11020141] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2021] [Revised: 12/23/2021] [Accepted: 01/04/2022] [Indexed: 01/10/2023] Open
Abstract
The natural 20:80 whey:casein ratio in cow’s milk (CM) for adults and infants is adjusted to reflect the 60:40 ratio of human milk, but the feeding and metabolic consequences of this adjustment have been understudied. In adult human subjects, the 60:40 CM differently affects glucose metabolism and hormone release than the 20:80 CM. In laboratory animals, whey-adapted goat’s milk is consumed in larger quantities. It is unknown whether whey enhancement of CM would have similar consequences on appetite and whether it would affect feeding-relevant brain regulatory mechanisms. In this set of studies utilizing laboratory mice, we found that the 60:40 CM was consumed more avidly than the 20:80 control formulation by animals motivated to eat by energy deprivation and by palatability (in the absence of hunger) and that this hyperphagia stemmed from prolongation of the meal. Furthermore, in two-bottle choice paradigms, whey-adapted CM was preferred against the natural 20:80 milk. The intake of the whey-adapted CM induced neuronal activation (assessed through analysis of c-Fos expression in neurons) in brain sites promoting satiation, but importantly, this activation was less pronounced than after ingestion of the natural 20:80 whey:casein CM. Activation of hypothalamic neurons synthesizing anorexigenic neuropeptide oxytocin (OT) was also less robust after the 60:40 CM intake than after the 20:80 CM. Pharmacological blockade of the OT receptor in mice led to an increase in the consumption only of the 20:80 CM, thus, of the milk that induced greater activation of OT neurons. We conclude that the whey-adapted CM is overconsumed compared to the natural 20:80 CM and that this overconsumption is associated with weakened responsiveness of central networks involved in satiety signalling, including OT.
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Verduci E, Salvatore S, Bresesti I, Di Profio E, Pendezza E, Bosetti A, Agosti M, Zuccotti GV, D’Auria E. Semi-Elemental and Elemental Formulas for Enteral Nutrition in Infants and Children with Medical Complexity-Thinking about Cow's Milk Allergy and Beyond. Nutrients 2021; 13:4230. [PMID: 34959782 PMCID: PMC8707725 DOI: 10.3390/nu13124230] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2021] [Revised: 11/18/2021] [Accepted: 11/24/2021] [Indexed: 01/24/2023] Open
Abstract
Children with medical complexities, such as multi-system disorders and/or neurological impairments, often experience feeding difficulties and need enteral nutrition. They frequently have impaired motility and digestive-absorbing functions related to their underlying condition. If a cow's milk allergy (CMA) occurs as a comorbidity, it is often misdiagnosed, due to the symptoms' overlap. Many of the commercialized mixtures intended for enteral nutrition are composed of partially hydrolyzed cow's milk proteins, which are not suitable for the treatment of CMA; thus, the exclusion of a concomitant CMA is mandatory in these patients for obtaining symptoms relief. In this review, we focus on the use of elemental and semi-elemental formulas in children with neurological diseases and in preterm infants as clinical "models" of medical complexity. In children with neurodisabilities, when gastrointestinal symptoms persist despite the use of specific enteral formula, or in cases of respiratory and/or dermatological symptoms, CMA should always be considered. If diagnosis is confirmed, only an extensively hydrolyzed or amino-acid based formula, or, as an alternative, extensively hydrolyzed nutritionally adequate formulas derived from rice or soy, should be used. Currently, enteral formulas tailored to the specific needs of preterm infants and children with neurological impairment presenting concomitant CMA have not been marketed yet. For the proper monitoring of the health status of patients with medical complexity, multidisciplinary evaluation and involvement of the nutritional team should be promoted.
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Affiliation(s)
- Elvira Verduci
- Department of Health Sciences, University of Milan, 20146 Milan, Italy
- Department of Pediatrics, Vittore Buzzi Children’s Hospital, 20154 Milan, Italy; (E.D.P.); (E.P.); (A.B.); (G.V.Z.); (E.D.)
| | - Silvia Salvatore
- Department of Medicine and Surgery, Pediatric and Neonatology Units, Hospital “F. Del Ponte”, University of Insubria, 21100 Varese, Italy; (S.S.); (I.B.); (M.A.)
| | - Ilia Bresesti
- Department of Medicine and Surgery, Pediatric and Neonatology Units, Hospital “F. Del Ponte”, University of Insubria, 21100 Varese, Italy; (S.S.); (I.B.); (M.A.)
| | - Elisabetta Di Profio
- Department of Pediatrics, Vittore Buzzi Children’s Hospital, 20154 Milan, Italy; (E.D.P.); (E.P.); (A.B.); (G.V.Z.); (E.D.)
- Department of Animal Sciences for Health, Animal Production and Food Safety, University of Milan, 20133 Milan, Italy
| | - Erica Pendezza
- Department of Pediatrics, Vittore Buzzi Children’s Hospital, 20154 Milan, Italy; (E.D.P.); (E.P.); (A.B.); (G.V.Z.); (E.D.)
| | - Alessandra Bosetti
- Department of Pediatrics, Vittore Buzzi Children’s Hospital, 20154 Milan, Italy; (E.D.P.); (E.P.); (A.B.); (G.V.Z.); (E.D.)
| | - Massimo Agosti
- Department of Medicine and Surgery, Pediatric and Neonatology Units, Hospital “F. Del Ponte”, University of Insubria, 21100 Varese, Italy; (S.S.); (I.B.); (M.A.)
| | - Gian Vincenzo Zuccotti
- Department of Pediatrics, Vittore Buzzi Children’s Hospital, 20154 Milan, Italy; (E.D.P.); (E.P.); (A.B.); (G.V.Z.); (E.D.)
- Department of Biomedical and Clinical Sciences “L. Sacco”, University of Milan, 20157 Milan, Italy
- Pediatric Clinical Research Center Fondazione Romeo ed EnricaInvernizzi, University of Milan, 20157 Milan, Italy
| | - Enza D’Auria
- Department of Pediatrics, Vittore Buzzi Children’s Hospital, 20154 Milan, Italy; (E.D.P.); (E.P.); (A.B.); (G.V.Z.); (E.D.)
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Han J, Ye T, Liu YH, Chen X, Miao GP. Effects of food matrix and probiotics on the bioavailability of curcumin in different nanoformulations. JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE 2021; 101:5627-5635. [PMID: 33713049 DOI: 10.1002/jsfa.11215] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/30/2020] [Revised: 02/18/2021] [Accepted: 03/12/2021] [Indexed: 06/12/2023]
Abstract
BACKGROUND Nanoparticles can improve the bioavailability of bioactive compounds. Concomitant intake of food can affect pharmacokinetic profiles by altering dissolution, absorption, metabolism, and elimination behavior. Studies on the effects of food and its supplements on the bioavailability of bioactives in nanoformulations are few. In this study, the effects of typical food (milk, sugar, high-fat diet, and regular kibble) and a widely consumed probiotic [Bifidobacterium lactis Bb-12® (Bb-12)] on the bioavailability of curcumin in four formulations [simply suspended curcumin (Cur-SS) and curcumin in nanoemulsions (Cur-NEs), in single-walled carbon nanotubes (Cur-SWNTs), and in nanostructured lipid carriers (Cur-NLCs)] were investigated. RESULTS Fasting treatment and sugar co-ingestion can significantly enhance the bioavailability of curcumin in Cur-NEs and Cur-SWNTs, respectively. Compared with the fasting treatment, co-ingestion with regular kibble reduced the absorption of curcumin in Cur-NEs and Cur-SWNTs. Ingesting milk along with Cur-NE is also not recommended. The mechanisms behind these phenomena were briefly discussed. This study revealed for the first time that the intestinal colonization of Bb-12 reduces the bioavailability of curcumin and this reduction can be attenuated by nanoformulations SWNTs and NLCs, but not NEs. The reason for this difference was the protective effects of the former two nanoformulations against curcumin degradation by Bb-12 according to in vitro experiments. CONCLUSION Dietary status (including supplementary probiotics) can dramatically influence the bioavailability of curcumin in nanoformulations. © 2021 Society of Chemical Industry.
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Affiliation(s)
- Juan Han
- Department of Bioengineering, Huainan Normal University, Huainan, China
- Key Laboratory of Bioresource and Environmental Biotechnology of Anhui Higher Education Institutes, Huainan Normal University, Huainan, China
| | - Tao Ye
- Department of Bioengineering, Huainan Normal University, Huainan, China
| | - Yao-Hui Liu
- Department of Bioengineering, Huainan Normal University, Huainan, China
| | - Xin Chen
- Department of Bioengineering, Huainan Normal University, Huainan, China
| | - Guo-Peng Miao
- Department of Bioengineering, Huainan Normal University, Huainan, China
- Key Laboratory of Bioresource and Environmental Biotechnology of Anhui Higher Education Institutes, Huainan Normal University, Huainan, China
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Jadhav SB, Gaonkar T, Rathi A. In vitro gastrointestinal digestion of proteins in the presence of enzyme supplements: Details of antioxidant and antidiabetic properties. Lebensm Wiss Technol 2021. [DOI: 10.1016/j.lwt.2021.111650] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
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11
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Adjustment of Whey:Casein Ratio from 20:80 to 60:40 in Milk Formulation Affects Food Intake and Brainstem and Hypothalamic Neuronal Activation and Gene Expression in Laboratory Mice. Foods 2021; 10:foods10030658. [PMID: 33808819 PMCID: PMC8003661 DOI: 10.3390/foods10030658] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2021] [Revised: 03/12/2021] [Accepted: 03/16/2021] [Indexed: 02/06/2023] Open
Abstract
Adjustment of protein content in milk formulations modifies protein and energy levels, ensures amino acid intake and affects satiety. The shift from the natural whey:casein ratio of ~20:80 in animal milk is oftentimes done to reflect the 60:40 ratio of human milk. Studies show that 20:80 versus 60:40 whey:casein milks differently affect glucose metabolism and hormone release; these data parallel animal model findings. It is unknown whether the adjustment from the 20:80 to 60:40 ratio affects appetite and brain processes related to food intake. In this set of studies, we focused on the impact of the 20:80 vs. 60:40 whey:casein content in milk on food intake and feeding-related brain processes in the adult organism. By utilising laboratory mice, we found that the 20:80 whey:casein milk formulation was consumed less avidly and was less preferred than the 60:40 formulation in short-term choice and no-choice feeding paradigms. The relative PCR analyses in the hypothalamus and brain stem revealed that the 20:80 whey:casein milk intake upregulated genes involved in early termination of feeding and in an interplay between reward and satiety, such as melanocortin 3 receptor (MC3R), oxytocin (OXT), proopiomelanocortin (POMC) and glucagon-like peptide-1 receptor (GLP1R). The 20:80 versus 60:40 whey:casein formulation intake differently affected brain neuronal activation (assessed through c-Fos, an immediate-early gene product) in the nucleus of the solitary tract, area postrema, ventromedial hypothalamic nucleus and supraoptic nucleus. We conclude that the shift from the 20:80 to 60:40 whey:casein ratio in milk affects short-term feeding and relevant brain processes.
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12
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Huizing LRS, McDuffie J, Cuyckens F, van Heerden M, Koudriakova T, Heeren RMA, Vreeken RJ. Quantitative Mass Spectrometry Imaging to Study Drug Distribution in the Intestine Following Oral Dosing. Anal Chem 2021; 93:2144-2151. [DOI: 10.1021/acs.analchem.0c03956] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Affiliation(s)
- Lennart R. S. Huizing
- Maastricht MultiModal Molecular Imaging Institute, Maastricht University, Universiteitssingel 50, 6229 ER Maastricht, The Netherlands
| | - James McDuffie
- Janssen Research & Development, 3210 Merryfield Row, San Diego, California 92121, United States
| | - Filip Cuyckens
- Janssen Research & Development, Turnhoutseweg 30, 2340 Beerse, Belgium
| | | | - Tatiana Koudriakova
- Janssen Research & Development, 3210 Merryfield Row, San Diego, California 92121, United States
| | - Ron M. A. Heeren
- Maastricht MultiModal Molecular Imaging Institute, Maastricht University, Universiteitssingel 50, 6229 ER Maastricht, The Netherlands
| | - Rob J. Vreeken
- Maastricht MultiModal Molecular Imaging Institute, Maastricht University, Universiteitssingel 50, 6229 ER Maastricht, The Netherlands
- Janssen Research & Development, Turnhoutseweg 30, 2340 Beerse, Belgium
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13
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Corrigan B, Brodkorb A. The effect of pre-treatment of protein ingredients for infant formula on their in vitro gastro-intestinal behaviour. Int Dairy J 2020. [DOI: 10.1016/j.idairyj.2020.104810] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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14
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Fernández-Tomé S, Hernández-Ledesma B. Gastrointestinal Digestion of Food Proteins under the Effects of Released Bioactive Peptides on Digestive Health. Mol Nutr Food Res 2020; 64:e2000401. [PMID: 32974997 DOI: 10.1002/mnfr.202000401] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2020] [Revised: 09/15/2020] [Indexed: 12/20/2022]
Abstract
The gastrointestinal tract represents a specialized interface between the organism and the external environment. Because of its direct contact with lumen substances, the modulation of digestive functions by dietary substances is supported by a growing body of evidence. Food-derived bioactive peptides have demonstrated a plethora of activities in the organism with increasing interest toward their impact over the digestive system and related physiological effects. This review updates the biological effects of food proteins, specifically milk and soybean proteins, associated to gastrointestinal health and highlights the study of digestion products and released peptides, the identification of the active form/s, and the evaluation of the mechanisms of action underlying their relationship with the digestive cells and receptors. The approach toward the modifications that food proteins and peptides undergo during gastrointestinal digestion and their bioavailability is a crucial step for current investigations on the field. The recent literature on the regulation of digestive functions by peptides has been mostly considered in terms of their influence on gastrointestinal motility and signaling, oxidative damage and inflammation, and malignant cellular proliferation. A final section regarding the actual challenges and future perspectives in this scientific topic is critically discussed.
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Affiliation(s)
- Samuel Fernández-Tomé
- Samuel Fernández-Tomé. Hospital Universitario de La Princesa and Instituto de Investigación Sanitaria Princesa (IIS-IP), Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBEREHD), Diego de León, 62, 28006, Madrid, Spain
| | - Blanca Hernández-Ledesma
- Blanca Hernández-Ledesma. Instituto de Investigación en Ciencias de la Alimentación (CIAL, CSIC-UAM, CEI UAM+CSIC), Nicolás Cabrera, 9, 28049, Madrid, Spain
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15
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Hou L, Wang Y, Zhang M, Yu Y, Gu Y. Subcutaneous administration of casein attenuates atherosclerotic progression in male apoE -/- mice fed with high-fat diet. Food Sci Nutr 2020; 8:3559-3565. [PMID: 32724618 PMCID: PMC7382161 DOI: 10.1002/fsn3.1638] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2019] [Revised: 04/23/2020] [Accepted: 04/23/2020] [Indexed: 12/03/2022] Open
Abstract
The impact of casein on atherosclerotic lesion progression remains controversial. In this study, we tested the effect of casein on atherosclerotic development and its potential mechanisms in male apolipoprotein E knockout (apoE-/-) mice fed with high-fat diet (HFD). Male apoE-/- mice fed with HFD were randomized into HFD group (subcutaneous injection with 0.5 ml of 0.9% sodium chloride daily, n = 6) and HFD + Casein group (subcutaneous injection with 0.5 ml of 10% casein daily, n = 6). Body weight was recorded at baseline and once a week thereafter. After 12 weeks of treatment, plasma lipid and inflammatory markers, and histological characterization of atherosclerotic plaques in the aortic arch and aortic sinus were analyzed. There was no significant difference in weight gain between the two groups after 12 weeks of treatment. Plasma levels of total cholesterol (TC), triglyceride (TG), and low-density lipoprotein cholesterol (LDL-C) were significantly lower, while high-density lipoprotein cholesterol (HDL-C) level tended to be higher in the HFD + Casein group compared with the HFD group. The positive percentages of atherosclerotic lesions in aortic arch and aortic sinus as well as collagen deposition in aortic sinus plaques were significantly lower in the HFD + Casein group compared with the HFD group. Plasma levels of interleukin (IL)-1β and granulocyte-macrophage colony-stimulating factor (GM-CSF) were also significantly lower in the HFD + Casein group compared with the HFD group. In conclusion, subcutaneous administration of casein attenuates atherosclerotic lesion progression, possibly through decreasing fibrosis and inflammatory responses in male apoE-/- mice fed with HFD.
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Affiliation(s)
- Lingbo Hou
- Department of CardiologyWuhan Fourth HospitalPuai HospitalTongji Medical CollegeHuazhong University of Science and TechnologyWuhanChina
| | - Yuting Wang
- Department of CardiologyWuhan Fourth HospitalPuai HospitalTongji Medical CollegeHuazhong University of Science and TechnologyWuhanChina
| | - Mingjing Zhang
- Department of CardiologyWuhan Fourth HospitalPuai HospitalTongji Medical CollegeHuazhong University of Science and TechnologyWuhanChina
| | - Yijun Yu
- Department of CardiologyWuhan Fourth HospitalPuai HospitalTongji Medical CollegeHuazhong University of Science and TechnologyWuhanChina
| | - Ye Gu
- Department of CardiologyWuhan Fourth HospitalPuai HospitalTongji Medical CollegeHuazhong University of Science and TechnologyWuhanChina
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16
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Pujara N, Wong KY, Qu Z, Wang R, Moniruzzaman M, Rewatkar P, Kumeria T, Ross BP, McGuckin M, Popat A. Oral Delivery of β-Lactoglobulin-Nanosphere-Encapsulated Resveratrol Alleviates Inflammation in Winnie Mice with Spontaneous Ulcerative Colitis. Mol Pharm 2020; 18:627-640. [PMID: 32437160 DOI: 10.1021/acs.molpharmaceut.0c00048] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Resveratrol (RES) is a nutraceutical with promising anti-inflammatory properties for the treatment of inflammatory bowel diseases (IBD). However, the clinical effectiveness of resveratrol as an oral anti-inflammatory agent is hindered by its extremely poor solubility and poor stability. In this study, we encapsulated resveratrol in β-lactoglobulin (BLG) nanospheres and systematically analyzed their formulation parameters in vitro followed by a thorough in vivo anti-inflammatory testing in a highly specialized spontaneous murine UC model (Winnie mice model). Complexation of resveratrol with BLG increased the aqueous solubility of resveratrol by ≈1.7 times with 10% w/w loading. Additionally, the in vitro dissolution of resveratrol from the particles was found to be higher compared to resveratrol alone, resulting in >90% resveratrol dissolution in ∼8 h. The anti-inflammatory activity of resveratrol was examined for the first time in Winnie mice, a mouse model that closely represents the clinical signs of IBD. At a 50 mg/kg oral dose for 2 weeks, BLG-RES significantly improved both % body weight and disease activity index (DAI), compared to free resveratrol in Winnie mice. Importantly, histological evaluations revealed a similar trend with striking improvement in the pathology of the colon via an increase in goblet cell numbers and recovery of colonic epithelium. BLG-RES significantly increased the expression level of cytokine interleukin-10 (Il10), which confirms the reduction in inflammation potentially because of the increased dissolution and stability of resveratrol by complexation with BLG. This comprehensive study demonstrates the effectiveness of biocompatible nanomaterials such as BLG in oral delivery of poorly soluble anti-inflammatory molecules such as resveratrol in the treatment of IBD.
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Affiliation(s)
- Naisarg Pujara
- School of Pharmacy, The University of Queensland, Brisbane, Queensland 4072, Australia
| | - Kuan Yau Wong
- Mucosal Diseases Group, Mater Research Institute, The University of Queensland, Translational Research Institute, 37 Kent Street, Woolloongabba, Queensland 4102, Australia
| | - Zhi Qu
- Mucosal Diseases Group, Mater Research Institute, The University of Queensland, Translational Research Institute, 37 Kent Street, Woolloongabba, Queensland 4102, Australia
| | - Ran Wang
- Mucosal Diseases Group, Mater Research Institute, The University of Queensland, Translational Research Institute, 37 Kent Street, Woolloongabba, Queensland 4102, Australia
| | - Md Moniruzzaman
- Mucosal Diseases Group, Mater Research Institute, The University of Queensland, Translational Research Institute, 37 Kent Street, Woolloongabba, Queensland 4102, Australia
| | - Prarthana Rewatkar
- School of Pharmacy, The University of Queensland, Brisbane, Queensland 4072, Australia
| | - Tushar Kumeria
- School of Pharmacy, The University of Queensland, Brisbane, Queensland 4072, Australia
| | - Benjamin P Ross
- School of Pharmacy, The University of Queensland, Brisbane, Queensland 4072, Australia
| | - Michael McGuckin
- Mucosal Diseases Group, Mater Research Institute, The University of Queensland, Translational Research Institute, 37 Kent Street, Woolloongabba, Queensland 4102, Australia.,Faculty of Medicine, Dentistry and Health Sciences, University of Melbourne, Melbourne, Victoria 3010, Australia
| | - Amirali Popat
- School of Pharmacy, The University of Queensland, Brisbane, Queensland 4072, Australia.,Mucosal Diseases Group, Mater Research Institute, The University of Queensland, Translational Research Institute, 37 Kent Street, Woolloongabba, Queensland 4102, Australia
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17
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Yu J, Kim YH, Kim HM, Oh JM, Kim YR, Choi SJ. Determination of the fate and biological responses of food additive silica particles in commercial foods. Food Chem 2020; 331:127304. [PMID: 32562980 DOI: 10.1016/j.foodchem.2020.127304] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2019] [Revised: 06/06/2020] [Accepted: 06/08/2020] [Indexed: 01/10/2023]
Abstract
Synthetic amorphous silica (SAS) is widely added to commercial foods as an anticaking agent. Concern about the potential application of nanosized silica in foods has increased as nanomaterials are not intended for use as food additives. This study evaluated the particle size distributions and biological responses of food additive SAS. An accurate, sensitive, and cost-effective analytical method for probing SAS was established, and quantitative analysis of its presence in commercial foods was performed. The results demonstrate that food additive SAS is an aggregated material composed of nanosized particles with nanosized aggregates of silica particles identified in commercial foods. Food additive SAS did not exhibit acute cytotoxicity compared to both general-grade nano (G-nano) and bulk (G-bulk) silica. Moreover, intestinal transport amounts of food additive SAS were significantly lower than for G-nano. Taken together, we find that food additive SAS does not exhibit acute toxicity resulting from nanosized materials.
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Affiliation(s)
- Jin Yu
- Division of Applied Food System, Major of Food Science & Technology, Seoul Women's University, Seoul 01797, Republic of Korea
| | - Ye-Hyun Kim
- Division of Applied Food System, Major of Food Science & Technology, Seoul Women's University, Seoul 01797, Republic of Korea
| | - Hyoung-Mi Kim
- Department of Chemistry and Medical Chemistry, College of Science and Technology, Yonsei University, Wonju, Gangwondo 26493, Republic of Korea
| | - Jae-Min Oh
- Department of Energy and Materials Engineering, Dongguk University-Seoul, Seoul 04620, Republic of Korea
| | - Young-Rok Kim
- Department of Food Science and Biotechnology & Graduate School of Biotechnology, Kyung Hee University, Yongin 17104, Republic of Korea
| | - Soo-Jin Choi
- Division of Applied Food System, Major of Food Science & Technology, Seoul Women's University, Seoul 01797, Republic of Korea.
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19
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Cordaro M, Scuto M, Siracusa R, D'amico R, Filippo Peritore A, Gugliandolo E, Fusco R, Crupi R, Impellizzeri D, Pozzebon M, Alfonsi D, Mattei N, Marcolongo G, Evangelista M, Cuzzocrea S, Di Paola R. Effect of N-palmitoylethanolamine-oxazoline on comorbid neuropsychiatric disturbance associated with inflammatory bowel disease. FASEB J 2020; 34:4085-4106. [PMID: 31950563 DOI: 10.1096/fj.201901584rr] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2019] [Revised: 12/19/2019] [Accepted: 12/31/2019] [Indexed: 12/12/2022]
Abstract
Inflammatory bowel disease (IBD) is a chronic disorder characterized by inflammation of the gastrointestinal (GI) tract, and it is associated with different neurological disorders. Recent evidence has demonstrated that the gut-brain-axis has a central function in the perpetuation of IBS, and for this reason, it can be considered a possible therapeutic target. N-Palmitoylethanolamine-oxazoline (PEA-OXA) possesses anti-inflammatory and potent neuroprotective effects. Although recent studies have explained the neuroprotective properties of PEA-OXA, nothing is known about its effects on the gut-brain axis during colitis. The aim of this study is to explore the mechanism and the effect of PEA-OXA on the gut-brain axis in rats subjected to experimental colitis induced by oral administration of dextran sulfate sodium (DSS). Daily oral administration of PEA-OXA (10 mg/kg daily o.s.) was able to decrease the body weight loss, macroscopic damage, colon length, histological alteration, and inflammation after DSS induction. Additionally, PEA-OXA administration enhanced neurotrophic growth factor release and decreased the astroglial and microglial activation induced by DSS. Moreover, PEA-OXA restored intestinal permeability and tight junctions (TJs) as well as reduced apoptosis in the colon and brain. In our work, we demonstrated, for the first time, the action of PEA-OXA on the gut-brain axis in a model of DSS-induced colitis and its implication on the "secondary" effects associated with colonic disturbance.
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Affiliation(s)
- Marika Cordaro
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Messina, Italy
| | - Maria Scuto
- Department of Biomedical and Biotechnological Sciences, University of Catania, Catania, Italy
| | - Rosalba Siracusa
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Messina, Italy
| | - Ramona D'amico
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Messina, Italy
| | - Alessio Filippo Peritore
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Messina, Italy
| | - Enrico Gugliandolo
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Messina, Italy
| | - Roberta Fusco
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Messina, Italy
| | - Rosalia Crupi
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Messina, Italy
| | - Daniela Impellizzeri
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Messina, Italy
| | | | | | | | | | - Maurizio Evangelista
- Institute of Anaesthesiology and Reanimation, Catholic University of the Sacred Heart, Rome, Italy
| | - Salvatore Cuzzocrea
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Messina, Italy
- Department of Pharmacological and Physiological Science, Saint Louis University School of Medicine, St. Louis, MO, USA
| | - Rosanna Di Paola
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Messina, Italy
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20
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Dalziel JE, Dunstan KE, Dewhurst H, Van Gendt M, Young W, Carpenter E. Goat milk increases gastric emptying and alters caecal short chain fatty acid profile compared with cow milk in healthy rats. Food Funct 2020; 11:8573-8582. [DOI: 10.1039/d0fo01862g] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Goat and cow milk share similar protein and lipid content, yet goat milk forms softer curds during stomach digestion.
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Affiliation(s)
- Julie E. Dalziel
- Food Nutrition & Health Team
- Food & Bio-Based Products Group
- AgResearch
- Palmerston North 4442
- New Zealand
| | - Kelly E. Dunstan
- Food Nutrition & Health Team
- Food & Bio-Based Products Group
- AgResearch
- Palmerston North 4442
- New Zealand
| | - Hilary Dewhurst
- Food Nutrition & Health Team
- Food & Bio-Based Products Group
- AgResearch
- Palmerston North 4442
- New Zealand
| | - Melanie Van Gendt
- Food Nutrition & Health Team
- Food & Bio-Based Products Group
- AgResearch
- Palmerston North 4442
- New Zealand
| | - Wayne Young
- Food Nutrition & Health Team
- Food & Bio-Based Products Group
- AgResearch
- Palmerston North 4442
- New Zealand
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21
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Bhave S, Arciero E, Baker C, Ho WL, Stavely R, Goldstein AM, Hotta R. Enteric neuronal cell therapy reverses architectural changes in a novel diphtheria toxin-mediated model of colonic aganglionosis. Sci Rep 2019; 9:18756. [PMID: 31822721 PMCID: PMC6904570 DOI: 10.1038/s41598-019-55128-4] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2019] [Accepted: 11/19/2019] [Indexed: 01/14/2023] Open
Abstract
Hirschsprung disease (HSCR) is characterized by absence of the enteric nervous system (ENS) in the distal bowel. Despite removal of the aganglionic segment, gastrointestinal (GI) problems persist. Cell therapy offers potential treatment but use of genetic models is limited by their poor survival. We have developed a novel model of aganglionosis in which enteric neural crest-derived cells (ENCDCs) express diphtheria toxin (DT) receptor. Local DT injection into the colon wall results in focal, specific, and sustained ENS ablation without altering GI transit or colonic contractility, allowing improved survival over other aganglionosis models. Focal ENS ablation leads to increased smooth muscle and mucosal thickness, and localized inflammation. Transplantation of ENCDCs into this region leads to engraftment, migration, and differentiation of enteric neurons and glial cells, with restoration of normal architecture of the colonic epithelium and muscle, reduction in inflammation, and improved survival.
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Affiliation(s)
- Sukhada Bhave
- Department of Pediatric Surgery, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
| | - Emily Arciero
- Department of Pediatric Surgery, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
| | - Corey Baker
- Department of Pediatric Surgery, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
| | - Wing Lam Ho
- Department of Pediatric Surgery, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
| | - Rhian Stavely
- Department of Pediatric Surgery, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
| | - Allan M Goldstein
- Department of Pediatric Surgery, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
| | - Ryo Hotta
- Department of Pediatric Surgery, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA.
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22
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Dalziel JE, Peters JS, Dunstan KE, McKenzie CM, Spencer NJ, Haggarty NW, Roy NC. Alteration in propagating colonic contractions by dairy proteins in isolated rat large intestine. J Dairy Sci 2019; 102:9598-9604. [PMID: 31521365 DOI: 10.3168/jds.2019-16790] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2019] [Accepted: 07/19/2019] [Indexed: 01/11/2023]
Abstract
Gastrointestinal conditions in which the transit of contents is altered may benefit from nutritional approaches to influencing health outcomes. Milk proteins modulate the transit of contents along different regions, suggesting that they have varying effects on neuromuscular function to alter gastrointestinal motility. We tested the hypothesis that bovine whey and casein milk protein hydrolysates could have direct modulatory effects on colonic motility patterns in isolated rat large intestine. Casein protein hydrolysate (CPH), whey protein concentrate (WPC), whey protein hydrolysate (WPH), and a milk protein hydrolysate (MPH; a hydrolyzed blend of 60% whey to 40% casein) were compared for their effects on spontaneous contractile waves. These contractions propagate along the length of the isolated intact large intestine (22 cm) between the proximal colon and rectum and were detected by measuring activity at 4 locations. Milk proteins were perfused through the tissue bath, and differences in contraction amplitude and frequency were quantified relative to pretreatment controls. Propagation frequency was decreased by CPH, increased by MPH, and unaffected by intact whey proteins. The reduced motility with CPH and increased motility with MPH indicate a direct action of these milk proteins on colon tissue and provide evidence for differential modulation by hydrolysate type. These findings mirror actions on lower gastrointestinal transit reported in vivo, with the exception of WPH, suggesting that other factors are required.
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Affiliation(s)
- J E Dalziel
- Food Nutrition and Health Team, AgResearch, Palmerston North 4474, New Zealand; Riddet Institute, Massey University, Palmerston North 4474, New Zealand.
| | - J S Peters
- Food Nutrition and Health Team, AgResearch, Palmerston North 4474, New Zealand
| | - K E Dunstan
- Food Nutrition and Health Team, AgResearch, Palmerston North 4474, New Zealand
| | - C M McKenzie
- Bioinformatics and Statistics, AgResearch, Grasslands Research Centre, Palmerston North 4474, New Zealand
| | - N J Spencer
- College of Medicine and Public Health, Flinders University, School of Medicine, Adelaide 5001, South Australia, Australia
| | - N W Haggarty
- Fonterra Co-Operative Group, Palmerston North 4474, New Zealand
| | - N C Roy
- Food Nutrition and Health Team, AgResearch, Palmerston North 4474, New Zealand; Riddet Institute, Massey University, Palmerston North 4474, New Zealand; High-Value Nutrition, National Science Challenge, Liggins Institute, University of Auckland 1023, New Zealand
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23
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Maguire M, Maguire G. Gut dysbiosis, leaky gut, and intestinal epithelial proliferation in neurological disorders: towards the development of a new therapeutic using amino acids, prebiotics, probiotics, and postbiotics. Rev Neurosci 2019; 30:179-201. [PMID: 30173208 DOI: 10.1515/revneuro-2018-0024] [Citation(s) in RCA: 59] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2018] [Accepted: 06/21/2018] [Indexed: 12/12/2022]
Abstract
Here we offer a review of the evidence for a hypothesis that a combination of ingestible probiotics, prebiotics, postbiotics, and amino acids will help ameliorate dysbiosis and degeneration of the gut, and therefore promote restoration of nervous system function in a number of neurological indications.
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Affiliation(s)
- Mia Maguire
- BioRegenerative Sciences, Inc., 505 Coast Blvd South, #208, La Jolla, CA 92037, USA
| | - Greg Maguire
- BioRegenerative Sciences, Inc., 11588 Sorrento Valley Rd. #18, San Diego, CA 92121, USA
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Bioavailability of Vitamin B 12 from Dairy Products Using a Pig Model. Nutrients 2018; 10:nu10091134. [PMID: 30134590 PMCID: PMC6163222 DOI: 10.3390/nu10091134] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2018] [Revised: 08/16/2018] [Accepted: 08/18/2018] [Indexed: 12/17/2022] Open
Abstract
The present study compares the bioavailability of vitamin B12 (B12) of dairy products or synthetic B12, using the pig as an experimental model for humans. Eleven pigs were used in a cross-over design to assess the net portal drained viscera (PDV) flux of blood plasma B12 after ingestion of tofu (TF; devoid of B12), Swiss cheese (SC), Cheddar cheese (CC), yogurt (YG), and synthetic B12 (TB12; TF supplemented with cyanocobalamin), providing a total of 25 µg of B12 each. PDV blood plasma flow for SC and CC were higher than for TF and TB12 (p ≤ 0.04) whereas YG was higher than TF (p = 0.05). Porto-arterial difference of blood plasma B12 concentrations were higher for CC and TB12 than for TF and YG (p ≤ 0.04) but not different from SC (p ≥ 0.15). Net PDV flux of B12 was only different from zero for CC. However, the net PDV flux of B12 for CC was not different from SC or TB12. Cumulative net PDV flux of B12 for SC, TB12, and CC were 2.9, 4.4, and 8.3 µg 23 h post-meal, corresponding to a bioavailability of 11.6%, 17.5%, and 33.0%, respectively. In conclusion, CC had the best bioavailability of B12 among the tested dairy products or compared to synthetic B12.
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25
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Dalziel J, Smolenski G, McKenzie C, Haines S, Day L. Differential effects of sheep and cow skim milk before and after fermentation on gastrointestinal transit of solids in a rat model. J Funct Foods 2018. [DOI: 10.1016/j.jff.2018.05.039] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
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