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Machado M, Costa EM, Silva S, Rodriguez-Alcalá LM, Gomes AM, Pintado M. Understanding the Anti-Obesity Potential of an Avocado Oil-Rich Cheese through an In Vitro Co-Culture Intestine Cell Model. Molecules 2023; 28:5923. [PMID: 37570893 PMCID: PMC10421176 DOI: 10.3390/molecules28155923] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2023] [Revised: 07/27/2023] [Accepted: 08/05/2023] [Indexed: 08/13/2023] Open
Abstract
Nowadays, with consumers' requirements shifting towards more natural solutions and the advent of nutraceutical-based approaches, new alternatives for obesity management are being developed. This work aimed to show, for the first time, the potential of avocado oil-fortified cheese as a viable foodstuff for obesity management through complex in vitro cellular models. The results showed that oleic and palmitic acids' permeability through the Caco-2/HT29-MTX membrane peaked at the 2h mark, with the highest apparent permeability being registered for oleic acid (0.14 cm/s). Additionally, the permeated compounds were capable of modulating the metabolism of adipocytes present in the basal compartment, significantly reducing adipokine (leptin) and cytokine (MPC-1, IL-10, and TNF-α) production. The permeates (containing 3.30 µg/mL of palmitic acid and 2.16 µg/mL of oleic acid) also presented an overall anti-inflammatory activity upon Raw 264.7 macrophages, reducing IL-6 and TNF-α secretion. Despite in vivo assays being required, the data showed the potential of a functional dairy product as a valid food matrix to aid in obesity management.
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Affiliation(s)
| | - Eduardo M. Costa
- CBQF Centro de Biotecnologia e Química Fina-Laboratório Associado, Escola Superior de Biotecnologia, Universidade Católica Portuguesa, Rua Diogo Botelho 1327, 4169-005 Porto, Portugal
| | | | | | | | - Manuela Pintado
- CBQF Centro de Biotecnologia e Química Fina-Laboratório Associado, Escola Superior de Biotecnologia, Universidade Católica Portuguesa, Rua Diogo Botelho 1327, 4169-005 Porto, Portugal
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2
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Campschroer T, Van Balken MR, Deden LN, Hazebroek EJ, De Boer H. Effect of preoperative metabolic profiling to reduce the risk of kidney stones after bariatric surgery in patients with a history of stone formation. Surg Obes Relat Dis 2022; 19:633-639. [PMID: 36609096 DOI: 10.1016/j.soard.2022.12.023] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2022] [Revised: 10/20/2022] [Accepted: 12/01/2022] [Indexed: 12/14/2022]
Abstract
BACKGROUND Roux-en-Y gastric bypass (RYGB) is associated with an increased risk of kidney stone formation. This is not observed after sleeve gastrectomy (SG). OBJECTIVES Aim of this study was to assess whether preoperative metabolic profiling is helpful in selecting the most optimal bariatric procedure for patients with a kidney stone history. SETTING General hospital, the Netherlands. METHODS Patients with a kidney stone history and in the run up to bariatric surgery were screened with non-contrast abdominal computed tomography (CT), serum profiling, and 24-hour urine analysis. Those with stones on radiologic imaging and/or high preoperative urinary oxalate were advised to undergo SG instead of RYGB. Pre- and postoperative urine and serum profile differences between both groups were evaluated retrospectively. RESULTS Postoperatively, RYGB (N = 28, M:F = 8:20) was associated with a 23.5% reduction in urinary volume, a 85% increase in urinary oxalate excretion with a 230% increase in calcium oxalate (CaOx) supersaturation and a 62% decrease in urinary citrate. Although SG (N = 30, M:F = 12:18) was also associated with a reduction in urinary volume, it had no adverse effects on urinary oxalate and citrate excretion, nor on calcium oxalate supersaturation (CaOx-SS). Both RYGB and SG showed favorable effects on postoperative sodium, calcium, uric acid, and phosphate excretion. CONCLUSIONS This study indicates that preoperative metabolic profiling is important to select the optimal bariatric procedure in patients with an a priori increased risk of kidney stone development. These patients should be strongly encouraged to undergo SG instead of RYGB to prevent progressive or recurrent kidney stone disease.
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Affiliation(s)
| | | | - Laura N Deden
- Bariatric Surgery Department, Rijnstate Hospital, Arnhem, the Netherlands
| | - Eric J Hazebroek
- Bariatric Surgery Department, Rijnstate Hospital, Arnhem, the Netherlands
| | - Hans De Boer
- Internal Medicine Department, Rijnstate Hospital, Arnhem, the Netherlands
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3
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Chen Z, Lu Q, Wang J, Cao X, Wang K, Wang Y, Wu Y, Yang Z. The function of omega-3 polyunsaturated fatty acids in response to cadmium exposure. Front Immunol 2022; 13:1023999. [PMID: 36248838 PMCID: PMC9558127 DOI: 10.3389/fimmu.2022.1023999] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2022] [Accepted: 09/09/2022] [Indexed: 11/13/2022] Open
Abstract
Throughout history, pollution has become a part of our daily life with the improvement of life quality and the advancement of industry and heavy industry. In recent years, the adverse effects of heavy metals, such as cadmium (Cd), on human health have been widely discussed, particularly on the immune system. Here, this review summarizes the available evidence on how Cd exposure may affect health. By analyzing the general manifestations of inflammation caused by Cd exposure, we find that the role of omega-3 (n-3) polyunsaturated fatty acids (PUFAs) in vivo can counteract Cd-induced harm. Additionally, we elucidate the effects of n-3 PUFAs on the immune system, and analyze their prophylactic and therapeutic effects on Cd exposure. Overall, this review highlights the role of n-3 PUFAs in the pathological changes induced by Cd exposure. Although n-3 PUFAs remain to be verified whether they can be used as therapeutic agents, as rehabilitation therapy, supplementation with n-3 PUFAs is reliable and effective.
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Affiliation(s)
- Zhi Chen
- College of Animal Science and Technology, Yangzhou University, Yangzhou, China
- Joint International Research Laboratory of Agriculture & Agri-Product Safety, Ministry of Education, Yangzhou University, Yangzhou, China
| | - Qinyue Lu
- College of Animal Science and Technology, Yangzhou University, Yangzhou, China
| | - Jiacheng Wang
- College of Medical, Yangzhou University, Yangzhou, China
| | - Xiang Cao
- College of Animal Science and Technology, Yangzhou University, Yangzhou, China
| | - Kun Wang
- College of Animal Science and Technology, Yangzhou University, Yangzhou, China
| | - Yuhao Wang
- College of Animal Science and Technology, Yangzhou University, Yangzhou, China
| | - Yanni Wu
- College of Animal Science and Technology, Yangzhou University, Yangzhou, China
| | - Zhangping Yang
- College of Animal Science and Technology, Yangzhou University, Yangzhou, China
- Joint International Research Laboratory of Agriculture & Agri-Product Safety, Ministry of Education, Yangzhou University, Yangzhou, China
- *Correspondence: Zhangping Yang,
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4
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Han JR, Wang Q, Yi LX, Li P, Gu Q, Xiao H, Zhu BW, Wu HT. Improving the in vitro and in vivo bioavailability of pterostilbene using Yesso scallop gonad protein isolates-epigallocatechin gallate (EGCG) conjugate-based emulsions: effects of carrier oil. Food Funct 2022; 13:9544-9558. [PMID: 35997033 DOI: 10.1039/d2fo01648f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
This study investigated the influence of carrier oils on the in vitro and in vivo bioavailability of PTE encapsulated in scallop gonad protein isolates (SGPIs)-epigallocatechin gallate (EGCG) conjugate stabilized emulsions. The SGPIs-EGCG stabilized emulsions were subjected to an in vitro simulated digestion, and the resulting corn oil and MCT micelles were used to evaluate the PTE transportation using the Caco-2 cell model. Both emulsions remarkably improved the bioaccessibility of PTE in the micelle phase. Nevertheless, corn oil emulsions increased trans-enterocyte transportation of PTE more efficiently than MCT emulsions. Furthermore, the maximum plasma concentrations of PTE and its metabolites in mice fed with PTE emulsions were prominently higher than those in mice fed with PTE solution, while the in vivo metabolic patterns of PTE in different oil-stabilized emulsions were different. Therefore, SGPIs-EGCG stabilized emulsions could enhance the bioavailability of PTE through controlled release, in which corn oil is more suitable than MCT.
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Affiliation(s)
- Jia-Run Han
- College of Food Science and Biotechnology, Zhejiang Gongshang University, Hangzhou, Zhejiang, 310018, China. .,Department of Food Science, University of Massachusetts, Amherst, Massachusetts 01003, USA
| | - Qi Wang
- Department of Food Science, University of Massachusetts, Amherst, Massachusetts 01003, USA
| | - Ling-Xiao Yi
- Department of Food Science, University of Massachusetts, Amherst, Massachusetts 01003, USA
| | - Ping Li
- College of Food Science and Biotechnology, Zhejiang Gongshang University, Hangzhou, Zhejiang, 310018, China.
| | - Qing Gu
- College of Food Science and Biotechnology, Zhejiang Gongshang University, Hangzhou, Zhejiang, 310018, China.
| | - Hang Xiao
- Department of Food Science, University of Massachusetts, Amherst, Massachusetts 01003, USA
| | - Bei-Wei Zhu
- College of Food Science and Biotechnology, Zhejiang Gongshang University, Hangzhou, Zhejiang, 310018, China. .,School of Food Science and Technology, Dalian Polytechnic University, Dalian Liaoning 116034, China.
| | - Hai-Tao Wu
- School of Food Science and Technology, Dalian Polytechnic University, Dalian Liaoning 116034, China.
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5
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Shen J, Zhu Y, Zhou B, Kong L, Jin Y, Zhang D, Cao Z, Ji J, Li J. In vitro and in vivo evaluation of a water-in-oil microemulsion of platycodin D. Arch Pharm (Weinheim) 2021; 354:e2000497. [PMID: 33844326 DOI: 10.1002/ardp.202000497] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2020] [Revised: 03/17/2021] [Accepted: 03/18/2021] [Indexed: 11/11/2022]
Abstract
Platycodin D (PD) is the active metabolite of Platycodon grandiflorum. The main purpose of this study was to develop and evaluate a water-in-oil (W/O) microemulsion formulation of PD (PD-ME). The PD-ME was successfully prepared by the water titration method at K m = 2, to draw the pseudoternary phase diagrams. Physical characterization including the particle size, pH, refractive index, average viscosity, and polydispersity index (PDI) was performed. The in vivo characteristics were evaluated by intestinal permeability and pharmacokinetic studies. The optimized microemulsion formulation consisted of 100 mg/ml PD aqueous solution, soybean phospholipids, ethanol, and oleic acid (27:39:19:15, w/w). The average viscosity, pH, droplet size, PDI, and zeta potential of the PD-ME were 78.65 ± 0.13 cPa•s, 5.70 ± 0.05, 30.46 ± 0.20 nm, 0.33 ± 0.00, and -3.13 mV, respectively. The drug concentration of the PD-ME was 26.3 ± 0.6 mg/ml. The PD-ME showed significantly higher apparent permeability coefficients than PD (p < .01). The pharmacokinetic studies showed that the PD-ME had significantly higher values of T 1/2 (2.26-fold), AUC0-24h (area under the curve; 1.65-fold), and MRT0-24h (1.58-fold) than PD (p < .01). It can be seen that W/O ME presents a strategy with great promise for enhancing the intestinal permeability and better oral absorption of drugs with high polarity and poor permeability.
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Affiliation(s)
- Jinyang Shen
- Jiangsu Key Laboratory of Marine Pharmaceutical Compound Screening, Jiangsu Ocean University, Lianyungang, Jiangsu, China
- Department of Pharmacy, Jiangsu Ocean University, Lianyungang, Jiangsu, China
| | - Yuexia Zhu
- Department of Pharmacy, Jiangsu Ocean University, Lianyungang, Jiangsu, China
| | - Bingxue Zhou
- Department of Pharmacy, Jiangsu Ocean University, Lianyungang, Jiangsu, China
| | - Li Kong
- Department of Pharmacy, Jiangsu Ocean University, Lianyungang, Jiangsu, China
| | - Ye Jin
- Department of Pharmacy, Yangzhou Hospital of Traditional Chinese Medicine, Yangzhou, Jiangsu, China
| | - Di Zhang
- Department of Pharmacy, Jiangsu Ocean University, Lianyungang, Jiangsu, China
| | - Zhiling Cao
- Department of Pharmacy, Jiangsu Ocean University, Lianyungang, Jiangsu, China
| | - Jing Ji
- Department of Pharmacy, Jiangsu Ocean University, Lianyungang, Jiangsu, China
| | - Jiaojiao Li
- Department of Pharmacy, Jiangsu Ocean University, Lianyungang, Jiangsu, China
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Ershad M, Shigenaga MK, Bandy B. Differential protection by anthocyanin-rich bilberry extract and resveratrol against lipid micelle-induced oxidative stress and monolayer permeability in Caco-2 intestinal epithelial cells. Food Funct 2021; 12:2950-2961. [DOI: 10.1039/d0fo02377a] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Excess dietary fat, and associated bile acids, can impair intestinal barrier integrity, produce intestinal or systemic inflammation and promote tumorigenesis.
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Affiliation(s)
- Maryam Ershad
- College of Pharmacy and Nutrition
- University of Saskatchewan
- Saskatoon
- Canada
- Nutrition and Metabolism Center
| | - Mark K. Shigenaga
- Nutrition and Metabolism Center
- Children's Hospital Oakland Research Institute
- Oakland
- USA
| | - Brian Bandy
- College of Pharmacy and Nutrition
- University of Saskatchewan
- Saskatoon
- Canada
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7
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Zhang R, Zhang Z, McClements DJ. Nanoemulsions: An emerging platform for increasing the efficacy of nutraceuticals in foods. Colloids Surf B Biointerfaces 2020; 194:111202. [DOI: 10.1016/j.colsurfb.2020.111202] [Citation(s) in RCA: 35] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2020] [Revised: 06/03/2020] [Accepted: 06/16/2020] [Indexed: 12/13/2022]
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Koehl NJ, Holm R, Kuentz M, Jannin V, Griffin BT. Exploring the Impact of Surfactant Type and Digestion: Highly Digestible Surfactants Improve Oral Bioavailability of Nilotinib. Mol Pharm 2020; 17:3202-3213. [PMID: 32649208 DOI: 10.1021/acs.molpharmaceut.0c00305] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
The scientific rationale for selection of the surfactant type during oral formulation development requires an in-depth understanding of the interplay between surfactant characteristics and biopharmaceutical factors. Currently, however, there is a lack of comprehensive knowledge of how surfactant properties, such as hydrophilic-lipophilic balance (HLB), digestibility, and fatty acid (FA) chain length, translate into in vivo performance. In the present study, the relationship between surfactant properties, in vitro characteristics, and in vivo bioavailability was systematically evaluated. An in vitro lipolysis model was used to study the digestibility of a variety of nonionic surfactants. Eight surfactants and one surfactant mixture were selected for further analysis using the model poorly water-soluble drug nilotinib. In vitro lipolysis of all nilotinib formulations was performed, followed by an in vivo pharmacokinetic evaluation in rats. The in vitro lipolysis studies showed that medium-chain FA-based surfactants were more readily digested compared to long-chain surfactants. The in vivo study demonstrated that a Tween 20 formulation significantly enhanced the absolute bioavailability of nilotinib up to 5.2-fold relative to an aqueous suspension. In general, surfactants that were highly digestible in vitro tended to display higher bioavailability of nilotinib in vivo. The bioavailability may additionally be related to the FA chain length of digestible surfactants with an improved exposure in the case of medium-chain FA-based surfactants. There was no apparent relationship between the HLB value of surfactants and the in vivo bioavailability of nilotinib. The impact of this study's findings suggests that when designing surfactant-based formulations to enhance oral bioavailability of the poorly water-soluble drug nilotinib, highly digestible, medium chain-based surfactants are preferred. Additionally, for low-permeability drugs such as nilotinib, which is subject to efflux by intestinal P-glycoprotein, the biopharmaceutical effects of surfactants merit further consideration.
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Affiliation(s)
- Niklas J Koehl
- School of Pharmacy, University College Cork, T12 YN60 Cork, Ireland
| | - René Holm
- Drug Product Development, Janssen Research and Development, Johnson & Johnson, Turnhoutseweg 30, 2340 Beerse, Belgium.,Department of Science and Environment, Roskilde University, 4000 Roskilde, Denmark
| | - Martin Kuentz
- Institute of Pharma Technology, University of Applied Sciences and Arts Northwestern Switzerland, 4132 Muttenz, Switzerland
| | - Vincent Jannin
- Gattefossé SAS, 36 Chemin de Genas, 69804 Saint-Priest Cedex, France
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9
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Interactions of dietary fat with the gut microbiota: Evaluation of mechanisms and metabolic consequences. Clin Nutr 2020; 39:994-1018. [DOI: 10.1016/j.clnu.2019.05.003] [Citation(s) in RCA: 50] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2018] [Revised: 04/25/2019] [Accepted: 05/01/2019] [Indexed: 12/12/2022]
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10
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Han X, Zhang E, Shi Y, Song B, Du H, Cao Z. Biomaterial-tight junction interaction and potential impacts. J Mater Chem B 2019; 7:6310-6320. [PMID: 31364678 PMCID: PMC6812605 DOI: 10.1039/c9tb01081e] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
The active pharmaceutical ingredients (APIs) have to cross the natural barriers and get into the blood to impart the pharmacological effects. The tight junctions (TJs) between the epithelial cells serve as the major selectively permeable barriers and control the paracellular transport of the majority of hydrophilic drugs, in particular, peptides and proteins. TJs perfectly balance the targeted transport and the exclusion of other unexpected pathogens under the normal conditions. Many biomaterials have shown the capability to open the TJs and improve the oral bioavailability and targeting efficacy of the APIs. Nevertheless, there is limited understanding of the biomaterial-TJ interactions. The opening of the TJs further poses the risk of autoimmune diseases and infections. This review article summarizes the most updated literature and presents insights into the TJ structure, the biomaterial-TJ interaction mechanism, the benefits and drawbacks of TJ disruption, and methods for evaluating such interactions.
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Affiliation(s)
- Xiangfei Han
- Department of Chemical Engineering and Materials Science, Wayne State University, Detroit, Michigan 48202, USA.
| | - Ershuai Zhang
- Department of Chemical Engineering and Materials Science, Wayne State University, Detroit, Michigan 48202, USA.
| | - Yuanjie Shi
- Department of Chemical Engineering and Materials Science, Wayne State University, Detroit, Michigan 48202, USA.
| | - Boyi Song
- Department of Chemical Engineering and Materials Science, Wayne State University, Detroit, Michigan 48202, USA.
| | - Hong Du
- Department of Chemical Engineering and Materials Science, Wayne State University, Detroit, Michigan 48202, USA.
| | - Zhiqiang Cao
- Department of Chemical Engineering and Materials Science, Wayne State University, Detroit, Michigan 48202, USA.
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11
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de Oliveira RB, Matheus VA, Canuto LP, De Sant'ana A, Collares-Buzato CB. Time-dependent alteration to the tight junction structure of distal intestinal epithelia in type 2 prediabetic mice. Life Sci 2019; 238:116971. [PMID: 31634462 DOI: 10.1016/j.lfs.2019.116971] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2019] [Revised: 10/13/2019] [Accepted: 10/14/2019] [Indexed: 01/18/2023]
Abstract
AIM High-fat diet (HFD) intake has been associated with changes in intestinal microbiota composition, increased intestinal permeability, and onset of type 2 diabetes mellitus (T2DM). The aim of this work was twofold: 1) to investigate the structural and functional alterations of the tight junction (TJ)-mediated intestinal epithelial barrier of ileum and colon, that concentrate most of the microbiota, after exposure to a HFD for 15, 30 and 60 days, and 2) to assess the effect of in vitro exposure to free fatty acids (FFAs), one of the components of HFD, on paracellular barrier of colon-derived Caco-2 cells. METHODS/KEY FINDINGS HFD exposure induced progressive metabolic changes in male mice that culminated in prediabetes after 60d. Morphological analysis of ileum and colon mucosa showed no signs of epithelial rupture or local inflammation but changes in the junctional content/distribution and/or cellular content of TJ-associated proteins (claudins-1, -2, -3, and occludin) in intestinal epithelia were seen mainly after a prediabetes state has been established. This impairment in TJ structure was not associated with significant changes in intestinal permeability to FITC-dextran. Exposure of Caco-2 monolayers to palmitic or linoleic acids seems to induce a reinforcement of TJ structure while treatment with oleic acid had a more diverse effect on TJ protein distribution. SIGNIFICANCE TJ structure in distal intestinal epithelia can be specifically impaired by HFD intake at early stage of T2DM, but not by FFAs in vitro. Since the TJ change in ileum/colon was marginal, probably it does not contribute to the disease onset.
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Affiliation(s)
- Ricardo Beltrame de Oliveira
- Department of Biochemistry and Tissue Biology, Institute of Biology, University of Campinas (UNICAMP), Campinas, SP, Brazil
| | - Valquiria Aparecida Matheus
- Department of Biochemistry and Tissue Biology, Institute of Biology, University of Campinas (UNICAMP), Campinas, SP, Brazil
| | - Leandro Pereira Canuto
- Department of Biochemistry and Tissue Biology, Institute of Biology, University of Campinas (UNICAMP), Campinas, SP, Brazil
| | - Ariane De Sant'ana
- Department of Biochemistry and Tissue Biology, Institute of Biology, University of Campinas (UNICAMP), Campinas, SP, Brazil
| | - Carla Beatriz Collares-Buzato
- Department of Biochemistry and Tissue Biology, Institute of Biology, University of Campinas (UNICAMP), Campinas, SP, Brazil.
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12
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Diab R, Canilho N, Pavel IA, Haffner FB, Girardon M, Pasc A. Silica-based systems for oral delivery of drugs, macromolecules and cells. Adv Colloid Interface Sci 2017; 249:346-362. [PMID: 28473052 DOI: 10.1016/j.cis.2017.04.005] [Citation(s) in RCA: 81] [Impact Index Per Article: 11.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2017] [Revised: 04/16/2017] [Accepted: 04/17/2017] [Indexed: 12/11/2022]
Abstract
According to the US Food and Drug Administration and the European Food Safety Authority, amorphous forms of silica and silicates are generally recognized to be safe as oral delivery ingredients in amounts up to 1500mg per day. Silica is used in the formulation of solid dosage forms, e.g. tablets, as glidant or lubricant. The synthesis of silica-based materials depends on the payload nature, drug, macromolecule or cell, and on the target release (active or passive). In the literature, most of the examples deal with the encapsulation of drugs in mesoporous silica nanoparticles. Still to date limited reports concerning the delivery of encapsulated macromolecules and cells have been reported in the field of oral delivery, despite the multiple promising examples demonstrating the compatibility of the sol-gel route with biological entities, likewise the interest of silica as an oral carrier. Silica diatoms appear as an elegant, cost-effective and promising alternative to synthetic sol-gel-based materials. This review reports the latest advances silica-based systems and discusses the potential benefits and drawbacks of using silica for oral delivery of drugs, macromolecules or cells.
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Affiliation(s)
- Roudayna Diab
- SRSMC, UMR 7565, Université de Lorraine-CNRS, F-54506 Vandœuvre-lès-Nancy, France
| | - Nadia Canilho
- SRSMC, UMR 7565, Université de Lorraine-CNRS, F-54506 Vandœuvre-lès-Nancy, France
| | - Ileana A Pavel
- SRSMC, UMR 7565, Université de Lorraine-CNRS, F-54506 Vandœuvre-lès-Nancy, France
| | - Fernanda B Haffner
- SRSMC, UMR 7565, Université de Lorraine-CNRS, F-54506 Vandœuvre-lès-Nancy, France
| | - Maxime Girardon
- SRSMC, UMR 7565, Université de Lorraine-CNRS, F-54506 Vandœuvre-lès-Nancy, France
| | - Andreea Pasc
- SRSMC, UMR 7565, Université de Lorraine-CNRS, F-54506 Vandœuvre-lès-Nancy, France.
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13
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Glynn A, Igra AM, Sand S, Ilbäck NG, Hellenäs KE, Rosén J, Aspenström-Fagerlund B. Are additive effects of dietary surfactants on intestinal tight junction integrity an overlooked human health risk? - A mixture study on Caco-2 monolayers. Food Chem Toxicol 2017; 106:314-323. [PMID: 28576466 DOI: 10.1016/j.fct.2017.05.068] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2017] [Revised: 05/10/2017] [Accepted: 05/29/2017] [Indexed: 10/19/2022]
Abstract
Surfactants may cause dysfunction of intestinal tight junctions (TJs), which is a common feature of intestinal autoimmune diseases. Effects of dietary surfactants on TJ integrity, measured as trans-epithelial resistance (TEER), were studied in Caco-2 cell monolayers. Cytotoxicity was assessed as apical LDH leakage. Monolayers were apically exposed for 60 min to the dietary surfactants solanine and chaconine (SC, potato glycoalkaloids, 0-0.25 mM), perfluorooctane sulfonic acid (PFOS, industrial contaminant, 0-0.8 mM), and sucrose monolaurate (SML, food emulsifier E 473, 0-2.0 mM) separately and as a mixture. Dose-response modelling of TEER EC50 showed that SC were 2.7- and 12-fold more potent than PFOS and SML, respectively. The mixture was composed of 1 molar unit SC, 2.7 units PFOS and 12 units SML ("SC TEER equivalent" proportions 1:1:1). Mixture exposure (0-0.05 mM SC equivalents) dose-response modelling suggested additive action on TJ integrity. Increasing SC and SML concentrations caused increased LDH leakage, but PFOS decreased LDH leakage at intermediate exposure concentrations. In the mixture PFOS appeared to protect from extensive SC- and SML-induced LDH leakage. Complex mixtures of surfactants in food may act additively on intestinal TJ integrity, which should be considered in risk assessment of emulsifier authorisation for use in food production.
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Affiliation(s)
- Anders Glynn
- Swedish National Food Agency, PO Box 622, SE-751 26 Uppsala, Sweden.
| | | | - Salomon Sand
- Swedish National Food Agency, PO Box 622, SE-751 26 Uppsala, Sweden
| | | | | | - Johan Rosén
- Swedish National Food Agency, PO Box 622, SE-751 26 Uppsala, Sweden
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14
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Ghadiri M, Young PM, Jarolimek W, Grau GER, Oliver BGG, Traini D. The effect of non-specific tight junction modulators on the transepithelial transport of poorly permeable drugs across airway epithelial cells. J Drug Target 2016; 25:342-349. [DOI: 10.1080/1061186x.2016.1258703] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Affiliation(s)
- Maliheh Ghadiri
- Department of Respiratory Technology, Woolcock Institute of Medical Research and Discipline of Pharmacology, Sydney Medical School, Glebe, Australia
| | - Paul M. Young
- Department of Respiratory Technology, Woolcock Institute of Medical Research and Discipline of Pharmacology, Sydney Medical School, Glebe, Australia
| | | | - Georges E. R. Grau
- Vascular Immunology Unit, Sydney Medical School & Bosch Institute, University of Sydney, Camperdown, Australia
| | - Brian G. G. Oliver
- Respiratory Cellular and Molecular Biology, Woolcock Institute of Medical Research, The University of Sydney and School of Life Sciences, University of Technology, Sydney, Australia
| | - Daniela Traini
- Department of Respiratory Technology, Woolcock Institute of Medical Research and Discipline of Pharmacology, Sydney Medical School, Glebe, Australia
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Olszowski T, Baranowska-Bosiacka I, Rębacz-Maron E, Gutowska I, Jamioł D, Prokopowicz A, Goschorska M, Chlubek D. Cadmium Concentration in Mother's Blood, Milk, and Newborn's Blood and Its Correlation with Fatty Acids, Anthropometric Characteristics, and Mother's Smoking Status. Biol Trace Elem Res 2016; 174:8-20. [PMID: 27040674 DOI: 10.1007/s12011-016-0683-6] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/01/2016] [Accepted: 03/20/2016] [Indexed: 12/27/2022]
Abstract
The aim of this study was to determine cadmium concentration in mothers' blood, milk, and newborns' blood from Szczecin (Poland) as a result of environmental cadmium exposure and evaluate the correlation (1) between cadmium levels in analyzed matrices, (2) between cadmium and fatty acids in those matrices, and (3) between cadmium and some selected personal variables, such as anthropometric characteristics, mothers' smoking status, and fruit and fish consumption by mothers. The concentration of cadmium in whole blood and milk of mothers and in the umbilical cord blood of newborns was determined by atomic absorption spectrometry with graphite furnace atomization and Zeeman correction. The fatty acid concentrations were determined by gas chromatography in our previous study. The mean concentrations of cadmium in maternal blood, newborn's blood, and breast milk were 0.61 ± 0.62 μg/L, 0.05 ± 0.04 μg/L, and 0.11 ± 0.07 μg/L, respectively, and differed significantly between analyzed matrices. Cadmium concentrations in the umbilical cord blood were 15 % (range 0-83 %) of the concentration in maternal blood, whereas cadmium concentrations in breast milk constituted 35 % (range 3-142 %) of the concentration in mothers' blood. No correlation was found between cadmium levels in three analyzed matrices. The correlation analysis revealed significant low positive correlation between maternal blood cadmium concentrations and concentrations of elaidic, oleic, and cis-vaccenic acids in mothers' milk (correlation coefficients 0.30, 0.32, and 0.31, respectively). Mothers' blood cadmium correlated with mothers' age (r = -0.26, p = 0.03), maternal smoking before pregnancy (r = 0.55, p < 0.000), maternal smoking during pregnancy (r = 0.58, p < 0.000), and fruit consumption by mothers after delivery (r = -0.44, p = 0.003). Mothers' height was the only variable that correlated significantly with breast milk cadmium levels. Newborns' blood cadmium concentrations correlated significantly with mothers' height (r = 0.28, p = 0.02), newborns' birth weight (r = 0.26, p = 0.03), maternal smoking during pregnancy (r = 0.24, p = 0.048), and fish consumption by mothers after delivery (r = 0.37, p = 0.02). The concentrations of cadmium in Polish mother-newborn pairs are among the lowest in Europe and within the norms established by different institutions. The results of our study confirm the existence of effective partial barriers (such as the placenta and mammary gland) restricting cadmium passage from mother to newborn. The significant positive correlations between maternal blood Cd and concentrations of oleic, elaidic, and cis-vaccenic acids in breast milk might suggest the increased cadmium toxicity to infant, taking into consideration even low cadmium passage to milk. Maternal smoking during pregnancy increases both maternal and newborn's blood cadmium level. Promotion of nonsmoking among pregnant women could substantially reduce prenatal and neonatal exposure to cadmium. Moreover, the results of our study point to the need of establishing complex biomonitoring of cadmium in mother-infant pairs in order to better protect children from this toxic and carcinogenic metal exposure.
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Affiliation(s)
- Tomasz Olszowski
- Department of Hygiene and Epidemiology, Pomeranian Medical University, Powstańców Wlkp. 72 Str., 70-111, Szczecin, Poland
| | - Irena Baranowska-Bosiacka
- Department of Biochemistry and Medical Chemistry, Pomeranian Medical University, Powstańców Wlkp. 72 Str., 70-111, Szczecin, Poland.
| | - Ewa Rębacz-Maron
- Department of Vertebrate Zoology and Anthropology, University of Szczecin, Wąska 13 Str., 71-415, Szczecin, Poland
| | - Izabela Gutowska
- Department of Biochemistry and Human Nutrition, Pomeranian Medical University, Broniewskiego 24 Str., 71-460, Szczecin, Poland
| | - Dominika Jamioł
- Department of Biochemistry and Human Nutrition, Pomeranian Medical University, Broniewskiego 24 Str., 71-460, Szczecin, Poland
| | - Adam Prokopowicz
- Institute of Occupational Medicine and Environmental Health, Kościelna 13 Str., 41-200, Sosnowiec, Poland
| | - Marta Goschorska
- Department of Biochemistry and Medical Chemistry, Pomeranian Medical University, Powstańców Wlkp. 72 Str., 70-111, Szczecin, Poland
| | - Dariusz Chlubek
- Department of Biochemistry and Medical Chemistry, Pomeranian Medical University, Powstańców Wlkp. 72 Str., 70-111, Szczecin, Poland
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Ghadiri M, Mamlouk M, Spicer P, Jarolimek W, Grau GER, Young PM, Traini D. Effect of polyunsaturated fatty acids (PUFAs) on airway epithelial cells' tight junction. Pulm Pharmacol Ther 2016; 40:30-8. [PMID: 27453493 DOI: 10.1016/j.pupt.2016.07.004] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/19/2016] [Revised: 06/21/2016] [Accepted: 07/20/2016] [Indexed: 01/22/2023]
Affiliation(s)
- Maliheh Ghadiri
- Respiratory Technology, Woolcock Institute of Medical Research and Discipline of Pharmacology, Sydney Medical School, Australia
| | - Mariam Mamlouk
- Respiratory Technology, Woolcock Institute of Medical Research and Discipline of Pharmacology, Sydney Medical School, Australia
| | - Patrick Spicer
- Complex Fluids Research Groups, School of Chemical Engineering, The University of New South Wales, Sydney, Australia
| | | | - Georges E R Grau
- Vascular Immunology Unit, Sydney Medical School & Bosch Institute, University of Sydney, Camperdown, Australia
| | - Paul M Young
- Respiratory Technology, Woolcock Institute of Medical Research and Discipline of Pharmacology, Sydney Medical School, Australia
| | - Daniela Traini
- Respiratory Technology, Woolcock Institute of Medical Research and Discipline of Pharmacology, Sydney Medical School, Australia.
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Mokkala K, Laitinen K, Röytiö H. Bifidobacterium lactis 420 and fish oil enhance intestinal epithelial integrity in Caco-2 cells. Nutr Res 2016; 36:246-52. [DOI: 10.1016/j.nutres.2015.11.014] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2015] [Revised: 11/17/2015] [Accepted: 11/24/2015] [Indexed: 12/28/2022]
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18
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Delarue J, Lallès JP. Nonalcoholic fatty liver disease: Roles of the gut and the liver and metabolic modulation by some dietary factors and especially long-chain n-3 PUFA. Mol Nutr Food Res 2015; 60:147-59. [DOI: 10.1002/mnfr.201500346] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2015] [Revised: 06/25/2015] [Accepted: 07/24/2015] [Indexed: 12/21/2022]
Affiliation(s)
- Jacques Delarue
- Department of Nutritional Sciences; University Hospital and University of Brest; Brest France
- Breton Federation of Food and Human Nutrition (FED4216); University of Brest; Brest France
| | - Jean-Paul Lallès
- Breton Federation of Food and Human Nutrition (FED4216); University of Brest; Brest France
- Institut National de la Recherche Agronomique; UR1341; Alimentation et Adaptations Digestives; Nerveuses et Comportementales (ADNC); Saint-Gilles France
- Centre de Recherche en Nutrition Humaine-Ouest; Nantes Cedex 1 France
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19
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McClements DJ, Zou L, Zhang R, Salvia-Trujillo L, Kumosani T, Xiao H. Enhancing Nutraceutical Performance Using Excipient Foods: Designing Food Structures and Compositions to Increase Bioavailability. Compr Rev Food Sci Food Saf 2015. [DOI: 10.1111/1541-4337.12170] [Citation(s) in RCA: 89] [Impact Index Per Article: 9.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- David Julian McClements
- Biopolymers and Colloids Laboratory, Dept. of Food Science; Univ. of Massachusetts Amherst; Amherst Mass 01003 U.S.A
- Biochemistry Dept., Faculty of Science, Production of Bioproducts for Industrial Applications Research Group and Experimental Biochemistry Unit; King Fahd Medical Research Center, King Abdulaziz Univ; Jeddah Saudi Arabia
| | - Liqiang Zou
- State Key Laboratory of Food Science and Technology; Nanchang Univ; Nanchang, No. 235 Nanjing East Road Nanchang 330047 Jiangxi China
| | - Ruojie Zhang
- State Key Laboratory of Food Science and Technology; Nanchang Univ; Nanchang, No. 235 Nanjing East Road Nanchang 330047 Jiangxi China
| | - Laura Salvia-Trujillo
- State Key Laboratory of Food Science and Technology; Nanchang Univ; Nanchang, No. 235 Nanjing East Road Nanchang 330047 Jiangxi China
| | - Taha Kumosani
- Biochemistry Dept., Faculty of Science, Production of Bioproducts for Industrial Applications Research Group and Experimental Biochemistry Unit; King Fahd Medical Research Center, King Abdulaziz Univ; Jeddah Saudi Arabia
| | - Hang Xiao
- Biopolymers and Colloids Laboratory, Dept. of Food Science; Univ. of Massachusetts Amherst; Amherst Mass 01003 U.S.A
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20
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Positively charged self-nanoemulsifying oily formulations of olmesartan medoxomil: Systematic development, in vitro, ex vivo and in vivo evaluation. Int J Pharm 2015. [DOI: 10.1016/j.ijpharm.2015.07.048] [Citation(s) in RCA: 57] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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21
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Aspenström-Fagerlund B, Tallkvist J, Ilbäck NG, Glynn AW. Oleic acid increases intestinal absorption of the BCRP/ABCG2 substrate, mitoxantrone, in mice. Toxicol Lett 2015; 237:133-9. [PMID: 26071310 DOI: 10.1016/j.toxlet.2015.06.009] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2015] [Revised: 05/08/2015] [Accepted: 06/08/2015] [Indexed: 01/16/2023]
Abstract
The efflux transporter breast cancer resistance protein (BCRP/ABCG2) decrease intestinal absorption of many food toxicants. Oleic acid increases absorption of the specific BCRP substrate mitoxantrone (MXR), and also BCRP gene expression in human intestinal Caco-2 cells, suggesting that oleic acid affect the BCRP function. Here, we investigated the effect of oleic acid on intestinal absorption of MXR in mice. Mice were orally dosed with 2.4g oleic acid/kg b.w. and 1mg MXR/kg b.w., and sacrificed 30, 60, 90 or 120min after exposure, or were exposed to 0.6, 2.4 or 4.8g oleic acid/kg b.w. and 1mg MXR/kg b.w., and sacrificed 90min after exposure. Mice were also treated with Ko143 together with MXR and sacrificed after 60min, as a positive control of BCRP-mediated effects on MXR absorption. Absorption of MXR increased after exposure to oleic acid at all doses, and also after exposure to Ko143. Intestinal BCRP gene expression tended to increase 120min after oleic acid exposure. Our results in mice demonstrate that oleic acid decreases BCRP-mediated efflux, causing increased intestinal MXR absorption in mice. These findings may have implications in humans, concomitantly exposed to oleic acid and food contaminants that, similarly as MXR, are substrates of BCRP.
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Affiliation(s)
| | - Jonas Tallkvist
- Department of Biomedical Sciences and Veterinary Public Health, Swedish University of Agricultural Sciences, Box 7028, SE-75007 Uppsala, Sweden
| | - Nils-Gunnar Ilbäck
- Risk and Benefit Assessment Department, National Food Agency, P.O. Box 622, SE-75126 Uppsala, Sweden; Department of Medical Sciences, Section for Infectious Diseases, Uppsala University, SE-75185 Uppsala, Sweden
| | - Anders W Glynn
- Risk and Benefit Assessment Department, National Food Agency, P.O. Box 622, SE-75126 Uppsala, Sweden; Department of Environmental Toxicology, Uppsala University, Norbyvägen 18A, SE-75236 Uppsala, Sweden
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A model of secreting murine mammary epithelial HC11 cells comprising endogenous Bcrp/Abcg2 expression and function. Cell Biol Toxicol 2015; 31:111-20. [DOI: 10.1007/s10565-015-9298-5] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2014] [Accepted: 03/09/2015] [Indexed: 12/30/2022]
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23
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Nanoemulsion-based delivery systems for nutraceuticals: Influence of carrier oil type on bioavailability of pterostilbene. J Funct Foods 2015. [DOI: 10.1016/j.jff.2014.12.030] [Citation(s) in RCA: 82] [Impact Index Per Article: 9.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023] Open
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Lerner A, Matthias T. Changes in intestinal tight junction permeability associated with industrial food additives explain the rising incidence of autoimmune disease. Autoimmun Rev 2015; 14:479-89. [PMID: 25676324 DOI: 10.1016/j.autrev.2015.01.009] [Citation(s) in RCA: 292] [Impact Index Per Article: 32.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2015] [Accepted: 01/18/2015] [Indexed: 12/11/2022]
Abstract
The incidence of autoimmune diseases is increasing along with the expansion of industrial food processing and food additive consumption. The intestinal epithelial barrier, with its intercellular tight junction, controls the equilibrium between tolerance and immunity to non-self-antigens. As a result, particular attention is being placed on the role of tight junction dysfunction in the pathogenesis of AD. Tight junction leakage is enhanced by many luminal components, commonly used industrial food additives being some of them. Glucose, salt, emulsifiers, organic solvents, gluten, microbial transglutaminase, and nanoparticles are extensively and increasingly used by the food industry, claim the manufacturers, to improve the qualities of food. However, all of the aforementioned additives increase intestinal permeability by breaching the integrity of tight junction paracellular transfer. In fact, tight junction dysfunction is common in multiple autoimmune diseases and the central part played by the tight junction in autoimmune diseases pathogenesis is extensively described. It is hypothesized that commonly used industrial food additives abrogate human epithelial barrier function, thus, increasing intestinal permeability through the opened tight junction, resulting in entry of foreign immunogenic antigens and activation of the autoimmune cascade. Future research on food additives exposure-intestinal permeability-autoimmunity interplay will enhance our knowledge of the common mechanisms associated with autoimmune progression.
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Affiliation(s)
- Aaron Lerner
- Pediatric Gastroenterology and Nutrition Unit, Carmel Medical Center, B, Rappaport School of Medicine, Technion-Israel institute of Technology, Michal St, No. 7, Haifa 34362, Israel.
| | - Torsten Matthias
- Aesku.Kipp Institute, Mikroforum Ring 2, Wendelsheim 55234, Germany.
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25
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Lysophosphatidylserine form DHA maybe the most effective as substrate for brain DHA accretion. BIOCATALYSIS AND AGRICULTURAL BIOTECHNOLOGY 2014. [DOI: 10.1016/j.bcab.2013.11.013] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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26
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McClements DJ, Xiao H. Excipient foods: designing food matrices that improve the oral bioavailability of pharmaceuticals and nutraceuticals. Food Funct 2014; 5:1320-33. [DOI: 10.1039/c4fo00100a] [Citation(s) in RCA: 137] [Impact Index Per Article: 13.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
The oral bioavailability of many lipophilic bioactive agents (pharmaceuticals and nutraceuticals) is limited due to various physicochemical and physiological processes. Excipient foods can be designed to improve the oral bioavailability of these bioactive agents.
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Affiliation(s)
- David Julian McClements
- Biopolymers and Colloids Laboratory
- Department of Food Science
- University of Massachusetts Amherst
- Amherst, USA
- Department of Biochemistry
| | - Hang Xiao
- Biopolymers and Colloids Laboratory
- Department of Food Science
- University of Massachusetts Amherst
- Amherst, USA
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27
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Beguin P, Errachid A, Larondelle Y, Schneider YJ. Effect of polyunsaturated fatty acids on tight junctions in a model of the human intestinal epithelium under normal and inflammatory conditions. Food Funct 2013; 4:923-31. [PMID: 23660640 DOI: 10.1039/c3fo60036j] [Citation(s) in RCA: 46] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Owing to their immune-modulatory action on the intestinal mucosa immune cells, the n-3 and n-6 polyunsaturated fatty acids (PUFA) have been suggested to modulate the risk and development of inflammatory bowel diseases. Failure in the intestinal barrier is an important hallmark of inflammatory bowel diseases. This study aimed at evaluating the impact of dietary PUFA on tight junction protein localisation and on the modulation of epithelial permeability under physiological conditions or under an inflammatory stress. For this purpose, we first confirmed the accumulation of PUFA in phospholipid fractions of Caco-2 cells upon 7 days of incubation with specific PUFA. Thereafter, Caco-2 cells were cultured in inserts, which provide a model of the human intestinal barrier. Accumulation of dietary n-3 PUFA in phospholipids did not affect the presence of occludin in tight junction complexes, while that of dietary n-6 PUFA decreased it. Whatever the PUFA, at 30 μM, no distortion of the Caco-2 barrier function was observed. Otherwise, 150 μM of docosahexaenoic acid (DHA) affected ZO-1 intensity under normal conditions, but not occludin or the barrier function parameters. Finally, to simulate an inflammatory state, cells were exposed for 24 h to interleukin-1β, tumor necrosis factor-α, interferon-γ at their basolateral side and to lypopolysaccharides at both sides. DHA limited the effect of inflammatory stimulus on occludin, ZO-1 and barrier function. In conclusion, this study has evidenced the specific effect of individual PUFA to modulate occludin and ZO-1 localization, according to the inflammatory status of this in vitro model of the intestinal barrier.
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Affiliation(s)
- Pauline Beguin
- Institut des Sciences de la Vie & UCLouvain, Croix du Sud, 1348 Louvain-la-Neuve, Belgium
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28
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Yao M, Chen J, Zheng J, Song M, McClements DJ, Xiao H. Enhanced lymphatic transport of bioactive lipids: cell culture study of polymethoxyflavone incorporation into chylomicrons. Food Funct 2013; 4:1662-7. [DOI: 10.1039/c3fo60335k] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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29
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Aspenström-Fagerlund B, Tallkvist J, Ilbäck NG, Glynn AW. Oleic acid decreases BCRP mediated efflux of mitoxantrone in Caco-2 cell monolayers. Food Chem Toxicol 2012; 50:3635-45. [DOI: 10.1016/j.fct.2012.07.015] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2011] [Revised: 05/11/2012] [Accepted: 07/10/2012] [Indexed: 01/02/2023]
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30
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Influence of a high-fat diet on gut microbiota, intestinal permeability and metabolic endotoxaemia. Br J Nutr 2012; 108:801-9. [PMID: 22717075 DOI: 10.1017/s0007114512001213] [Citation(s) in RCA: 428] [Impact Index Per Article: 35.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Lipopolysaccharide (LPS) may play an important role in chronic diseases through the activation of inflammatory responses. The type of diet consumed is of major concern for the prevention and treatment of these diseases. Evidence from animal and human studies has shown that LPS can diffuse from the gut to the circulatory system in response to the intake of high amounts of fat. The method by which LPS move into the circulatory system is either through direct diffusion due to intestinal paracellular permeability or through absorption by enterocytes during chylomicron secretion. Considering the impact of metabolic diseases on public health and the association between these diseases and the levels of LPS in the circulatory system, this review will mainly discuss the current knowledge about high-fat diets and subclinical inflammation. It will also describe the new evidence that correlates gut microbiota, intestinal permeability and alkaline phosphatase activity with increased blood LPS levels and the biological effects of this increase, such as insulin resistance. Although the majority of the studies published so far have assessed the effects of dietary fat, additional studies are necessary to deepen the understanding of how the amount, the quality and the structure of the fat may affect endotoxaemia. The potential of food combinations to reduce the negative effects of fat intake should also be considered in future studies. In these studies, the effects of flavonoids, prebiotics and probiotics on endotoxaemia should be investigated. Thus, it is essential to identify dietetic strategies capable of minimising endotoxaemia and its postprandial inflammatory effects.
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31
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Navarro C, González-Álvarez I, González-Álvarez M, Manku M, Merino V, Casabó V, Bermejo M. Influence of polyunsaturated fatty acids on Cortisol transport through MDCK and MDCK-MDR1 cells as blood–brain barrier in vitro model. Eur J Pharm Sci 2011; 42:290-9. [DOI: 10.1016/j.ejps.2010.12.005] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2010] [Revised: 11/30/2010] [Accepted: 12/12/2010] [Indexed: 10/18/2022]
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Hyperoxaluria is a long-term consequence of Roux-en-Y Gastric bypass: a 2-year prospective longitudinal study. J Am Coll Surg 2010; 211:8-15. [PMID: 20610243 DOI: 10.1016/j.jamcollsurg.2010.03.007] [Citation(s) in RCA: 61] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2009] [Revised: 03/09/2010] [Accepted: 03/09/2010] [Indexed: 11/21/2022]
Abstract
BACKGROUND Recent studies suggest that patients undergoing Roux-en-Y gastric bypass (RYGB) for morbid obesity are at risk for hyperoxaluria, nephrolithiasis, and oxalate nephropathy. Our objective was to conduct a long-term prospective longitudinal study to establish the incidence, clinical progression, and severity of hyperoxaluria after RYGB. STUDY DESIGN Patients undergoing RYGB between December 2005 and April 2007 provided 24-hour urine collections for comprehensive stone risk analysis 1 week before and 3 months and 1 and 2 years after surgery. Primary outcomes were changes in 24-hour urinary oxalate excretion and relative supersaturation of calcium oxalate from baseline to 2 years post-RYGB. RESULTS The cohort consisted of 21 patients, including 5 (24%) men and 16 (76%) women. Mean preoperative age and body mass index (calculated as kg/m(2)) were 48.2 +/- 10.5 years (range 25 to 64 years) and 50.5 +/- 9.1 (range 39.7 to 66.6), respectively. Urinary oxalate excretion increased significantly after RYGB (33 +/- 9 mg/day versus 63 +/- 29 mg/day; p <or= 0.001). De novo hyperoxaluria developed in 11 (52%) patients. Increasing age at the time of surgery was predictive of de novo hyperoxaluria developing (odds ratio = 1.162; 95% CI, 1.002-1.347; p = 0.046). The percentage of patients with hypocitraturia increased from 10% at baseline to 48% at 2 years. The relative supersaturation of calcium oxalate was unchanged (1.73 +/- 0.67 versus 2.20 +/- 2.07; p = 0.27). CONCLUSIONS RYGB is associated with a long-term increase in urinary oxalate excretion and decrease in urinary citrate excretion. Although calcium oxalate relative supersaturation increases early in the postoperative period, this returns to baseline with long-term follow-up. These data suggest that patients who have undergone RYGB are at risk for oxalate nephropathy developing.
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Wang Y, Ghoshal S, Ward M, de Villiers W, Woodward J, Eckhardt E. Chylomicrons promote intestinal absorption and systemic dissemination of dietary antigen (ovalbumin) in mice. PLoS One 2009; 4:e8442. [PMID: 20041190 PMCID: PMC2793525 DOI: 10.1371/journal.pone.0008442] [Citation(s) in RCA: 49] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2009] [Accepted: 11/28/2009] [Indexed: 11/21/2022] Open
Abstract
Background A small fraction of dietary protein survives enzymatic degradation and is absorbed in potentially antigenic form. This can trigger inflammatory responses in patients with celiac disease or food allergies, but typically induces systemic immunological tolerance (oral tolerance). At present it is not clear how dietary antigens are absorbed. Most food staples, including those with common antigens such as peanuts, eggs, and milk, contain long-chain triglycerides (LCT), which stimulate mesenteric lymph flux and postprandial transport of chylomicrons through mesenteric lymph nodes (MLN) and blood. Most dietary antigens, like ovalbumin (OVA), are emulsifiers, predicting affinity for chylomicrons. We hypothesized that chylomicron formation promotes intestinal absorption and systemic dissemination of dietary antigens. Methodology/Principal Findings Absorption of OVA into MLN and blood was significantly enhanced when OVA was gavaged into fasted mice together with LCT compared with medium-chain triglycerides (MCT), which do not stimulate chylomicron formation. The effect of LCT was blocked by the addition of an inhibitor of chylomicron secretion, Pluronic L-81. Adoptively transferred OVA-specific DO11.10 T-cells proliferated more extensively in peripheral lymph nodes when OVA was gavaged with LCT than with MCT or LCT plus Pluronic L-81, suggesting that dietary OVA is systemically disseminated. Most dietary OVA in plasma was associated with chylomicrons, suggesting that these particles mediate systemic antigen dissemination. Intestinal-epithelial CaCo-2 cells secreted more cell-associated, exogenous OVA when stimulated with oleic-acid than with butyric acid, and the secreted OVA appeared to be associated with chylomicrons. Conclusions/Significance Postprandial chylomicron formation profoundly affects absorption and systemic dissemination of dietary antigens. The fat content of a meal may affect immune responses to dietary antigens by modulating antigen absorption and transport.
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Affiliation(s)
- Yuehui Wang
- Department of Internal Medicine, University of Kentucky, Lexington, Kentucky, United States of America
- Graduate Center for Nutritional Sciences, University of Kentucky, Lexington, Kentucky, United States of America
| | - Sarbani Ghoshal
- Department of Internal Medicine, University of Kentucky, Lexington, Kentucky, United States of America
- Graduate Center for Nutritional Sciences, University of Kentucky, Lexington, Kentucky, United States of America
| | - Martin Ward
- Department of Microbiology, Immunology and Molecular Medicine, University of Kentucky, Lexington, Kentucky, United States of America
| | - Willem de Villiers
- Department of Internal Medicine, University of Kentucky, Lexington, Kentucky, United States of America
- Graduate Center for Nutritional Sciences, University of Kentucky, Lexington, Kentucky, United States of America
| | - Jerold Woodward
- Department of Microbiology, Immunology and Molecular Medicine, University of Kentucky, Lexington, Kentucky, United States of America
| | - Erik Eckhardt
- Department of Internal Medicine, University of Kentucky, Lexington, Kentucky, United States of America
- Graduate Center for Nutritional Sciences, University of Kentucky, Lexington, Kentucky, United States of America
- * E-mail:
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Aspenström-Fagerlund B, Sundström B, Tallkvist J, Ilbäck NG, Glynn AW. Fatty acids increase paracellular absorption of aluminium across Caco-2 cell monolayers. Chem Biol Interact 2009; 181:272-8. [PMID: 19576870 DOI: 10.1016/j.cbi.2009.06.016] [Citation(s) in RCA: 39] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2009] [Revised: 06/22/2009] [Accepted: 06/24/2009] [Indexed: 01/22/2023]
Abstract
Passive paracellular absorption, regulated by tight junctions (TJs), is the main route for absorption of poorly absorbed hydrophilic substances. Surface active substances, such as fatty acids, may enhance absorption of these substances by affecting the integrity of TJ and increasing the permeability. It has been suggested that aluminium (Al) absorption occurs mainly by the paracellular route. Herein, we investigated if physiologically relevant exposures of fully differentiated Caco-2 cell monolayers to oleic acid and docosahexaenoic acid (DHA), which are fatty acids common in food, increase absorption of Al and the paracellular marker mannitol. In an Al toxicity test, mannitol and Al absorption through Caco-2 cell monolayers were similarly modulated by Al concentrations between 1 and 30mM, suggesting that absorption of the two compounds occurred via the same pathways. Exposure of Caco-2 cell monolayers to non-toxic concentrations of Al (2mM) and (14)C-mannitol in fatty acid emulsions (15 and 30mM oleic acid, 5 and 10mM DHA) caused a decreased transepithelial electrical resistance (TEER). Concomitantly, fractional absorption of Al and mannitol, expressed as percentage of apical Al and mannitol retrieved at the basolateral side, increased with increasing dose of fatty acids. Transmission electron microscopy was applied to assess the effect of oleic acid on the morphology of TJ. It was shown that oleic acid caused a less structured morphology of TJ in Caco-2 cell monolayers. Taken together our findings indicate that fatty acids common in food increase the paracellular intestinal absorption of Al. These findings may influence future risk assessment of human Al exposure.
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Potential use of tight junction modulators to reversibly open membranous barriers and improve drug delivery. BIOCHIMICA ET BIOPHYSICA ACTA-BIOMEMBRANES 2009; 1788:892-910. [DOI: 10.1016/j.bbamem.2008.09.016] [Citation(s) in RCA: 291] [Impact Index Per Article: 19.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/28/2008] [Revised: 09/19/2008] [Accepted: 09/22/2008] [Indexed: 02/06/2023]
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Vidau C, Brunet JL, Badiou A, Belzunces LP. Phenylpyrazole insecticides induce cytotoxicity by altering mechanisms involved in cellular energy supply in the human epithelial cell model Caco-2. Toxicol In Vitro 2009; 23:589-97. [PMID: 19490841 DOI: 10.1016/j.tiv.2009.01.017] [Citation(s) in RCA: 67] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2008] [Revised: 01/23/2009] [Accepted: 01/27/2009] [Indexed: 11/17/2022]
Abstract
Phenylpyrazoles are relatively new insecticides designed to manage problematic insect resistance and public health hazards encountered with older pesticide families. In vitro cytotoxicity induced by the phenylpyrazole insecticides, Ethiprol and Fipronil, and Fipronil metabolites, sulfone and sulfide, was studied in Caco-2 cells. This cellular model was chosen because it made possible to mimic the primary site of oral exposure to xenobiotics, the intestinal epithelium. Assessment of the barrier function of Caco-2 epithelium was assessed by TEER measurement and showed a major loss of barrier integrity after exposure to Fipronil and its metabolites, but not to Ethiprol. The disruption of the epithelial barrier was attributed to severe ATP depletion independent of cell viability, as revealed by LDH release. The origin of energetic metabolism failure was investigated and revealed a transient enhancement of tetrazolium salt reduction and an increase in lactate production by Caco-2 cells, suggesting an increase in glucose metabolism by pesticides. Cellular symptoms observed in these experiments lead us to hypothesize that phenylpyrazole insecticides interacted with mitochondria.
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Affiliation(s)
- Cyril Vidau
- INRA, UMR 406 A&E, Laboratoire de Toxicologie Environnementale, Site Agroparc, F-84000 Avignon, Cedex 9, France
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Patel BN, Passman CM, Fernandez A, Asplin JR, Coe FL, Kim SC, Lingeman JE, Assimos DG. Prevalence of hyperoxaluria after bariatric surgery. J Urol 2008; 181:161-6. [PMID: 19013593 DOI: 10.1016/j.juro.2008.09.028] [Citation(s) in RCA: 69] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2008] [Indexed: 02/06/2023]
Abstract
PURPOSE Recent investigations have shown increased oxalate excretion in patients in whom kidney stones formed after contemporary bariatric surgery. We determined whether there is an increased prevalence of hyperoxaluria after such procedures performed in nonstone formers. MATERIALS AND METHODS A total of 58 nonstone forming adults who underwent laparoscopic Roux-en-Y (52) or a biliopancreatic diversion-duodenal switch procedure (6) collected 24-hour urine specimens 6 months or greater after bariatric surgery. Standard stone risk parameters were assessed. Comparisons were made with a group of healthy nonstone forming adults and stone formers in a commercial database. RESULTS The bariatric group had a significantly higher mean urinary oxalate excretion compared to that in controls and stone formers (67.2 vs 34.1 and 37.0 mg per day, respectively, p <0.001). Mean oxalate excretion of patients who underwent a biliopancreatic diversion-duodenal switch procedure was higher than in the Roux-en-Y group (90 vs 62 mg per day, p <0.05). There was a significant correlation between urine oxalate excretion on the 2 collection days but some patients showed significant variability. Of the patients 74% showed hyperoxaluria in at least 1, 24-hour urine collection and 26% demonstrated profound hyperoxaluria, defined as oxalate excretion more than 100 mg per day, in at least 1 collection. This occurred in 3 of the 6 patients in the biliopancreatic diversion-duodenal switch group and in 12 of the 52 in the Roux-en-Y cohort. Hyperoxaluria was not uniformly expressed. CONCLUSIONS There is a high prevalence of hyperoxaluria in patients without a history of kidney stones who undergo bariatric surgery. A significant proportion of these patients have profound hyperoxaluria, which is not uniformly expressed.
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Affiliation(s)
- Bhavin N Patel
- Wake Forest University Medical Center, Winston-Salem, North Carolina, USA
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Ghoshal S, Witta J, Zhong J, de Villiers W, Eckhardt E. Chylomicrons promote intestinal absorption of lipopolysaccharides. J Lipid Res 2008; 50:90-7. [PMID: 18815435 DOI: 10.1194/jlr.m800156-jlr200] [Citation(s) in RCA: 448] [Impact Index Per Article: 28.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
Abstract
Recent data suggest that dietary fat promotes intestinal absorption of lipopolysaccharides (LPS) from the gut microflora, which might contribute to various inflammatory disorders. The mechanism of fat-induced LPS absorption is unclear, however. Intestinal-epithelial cells can internalize LPS from the apical surface and transport LPS to the Golgi. The Golgi complex also contains newly formed chylomicrons, the lipoproteins that transport dietary long-chain fat through mesenteric lymph and blood. Because LPS has affinity for chylomicrons, we hypothesized that chylomicron formation promotes LPS absorption. In agreement with our hypothesis, we found that CaCo-2 cells released more cell-associated LPS after incubation with oleic-acid (OA), a long-chain fatty acid that induces chylomicron formation, than with butyric acid (BA), a short-chain fatty acid that does not induce chylomicron formation. Moreover, the effect of OA was blocked by the inhibitor of chylomicron formation, Pluronic L-81. We also observed that intragastric triolein (TO) gavage was followed by increased plasma LPS, whereas gavage with tributyrin (TB), or TO plus Pluronic L-81, was not. Most intestinally absorbed LPS was present on chylomicron remnants (CM-R) in the blood. Chylomicron formation also promoted transport of LPS through mesenteric lymph nodes (MLN) and the production of TNFalpha mRNA in the MLN. Together, our data suggest that intestinal epithelial cells may release LPS on chylomicrons from cell-associated pools. Chylomicron-associated LPS may contribute to postprandial inflammatory responses or chronic diet-induced inflammation in chylomicron target tissues.
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Affiliation(s)
- Sarbani Ghoshal
- Department of Internal Medicine, Division of Digestive Diseases and Nutrition, University of Kentucky, Lexington, KY, USA
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Differences in the frequency of micronucleated erythrocytes in humans in relation to consumption of fried carbohydrate-rich food. Mutat Res 2008; 653:50-6. [PMID: 18485803 DOI: 10.1016/j.mrgentox.2008.03.007] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2007] [Revised: 02/08/2008] [Accepted: 03/12/2008] [Indexed: 11/21/2022]
Abstract
The aim of this study was to investigate if consumption of ordinary carbohydrate-rich food prepared in different ways has an impact on chromosome stability, i.e., on the formation of micronucleated young erythrocytes in humans. Twenty-four persons, divided into two groups, participated during 4 days in a semi-controlled food-consumption study. One group (low-heated-food-group, LowHF-group) consumed only food boiled in water (max 100 degrees C) and the other group (high-heated-food-group, HighHF-group) consumed preferentially strongly heated (fried) food. From each of the subjects, blood samples were drawn, before and after 4 days. The frequency (f) of micronucleated (MN) very young erythrocytes (transferrin-positive reticulocytes, Trf-Ret), fMNTrf-Ret, was determined, and the difference in the frequency, before and after the eating period, was calculated. The obtained mean differences for the two groups were compared. As an indicator of highly heated food the acrylamide (AA) content in part of the consumed foodstuffs was analysed by use of LC/MS-MS and the AA intake estimated. In the blood samples the hemoglobin-adduct levels from AA were analysed as a measure of the internal AA dose. The differences between the mean fMNTrf-Ret, before and after the eating period, were -0.15 per thousand for the LowHF-group and +0.17 per thousand for the HighHF-group, p<0.005 (t-test, one-tailed). The mean total AA intake in the HighHF-group during 4 days was estimated to about 3000+/-450microg per person. For the LowHF-group, the mean AA intake was low, 20+/-10microg per person. The lowest dose of AA that caused a significant increase of micronucleated erythrocytes in mice is more than a hundred times higher than the AA level in this study. Thus, it is unlikely that the exposure to AA is the major cause behind the observed difference. The answer is probably to be found in other compounds produced at the same time during heating of the food.
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Whitehead K, Mitragotri S. Mechanistic Analysis of Chemical Permeation Enhancers for Oral Drug Delivery. Pharm Res 2008; 25:1412-9. [DOI: 10.1007/s11095-008-9542-2] [Citation(s) in RCA: 50] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2007] [Accepted: 01/22/2008] [Indexed: 11/29/2022]
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