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Chen S, Huang J, Huang Y, Zhou C, Wang N, Zhang L, Zhang Z, Li B, He X, Wang K, Zhi Y, Lv G, Shen S. Metabolomics analyses reveal the liver-protective mechanism of Wang's metabolic formula on metabolic-associated fatty liver disease. Heliyon 2024; 10:e33418. [PMID: 39040343 PMCID: PMC11261804 DOI: 10.1016/j.heliyon.2024.e33418] [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: 03/15/2024] [Revised: 06/20/2024] [Accepted: 06/20/2024] [Indexed: 07/24/2024] Open
Abstract
Wang's metabolic formula (WMF) is a traditional Chinese medicine formula developed under the guidance of Professor Kungen Wang. WMF has been clinically utilized for several years. However, the therapeutic mechanism of WMF in treating metabolic-associated fatty liver disease (MAFLD) remains unclear. In this study, we performed phytochemical analysis on WMF using LC-MS. To study the role of WMF in MAFLD, we orally administered WMF (20.6 g/kg) to male MAFLD mice induced by a high-cholesterol high-fat diet (HCHFD). Then pathological, biochemical, and metabolomic analyses were performed. The main components of WMF are chlorogenic acid, geniposide, albiflorin, paeoniflorin, and calycosin-7-O-glucoside. MAFLD mice treated with WMF exhibited significant improvements in obesity, abnormal lipid metabolism, inflammation, and liver pathology. WMF decreased aspartate aminotransferase (AST), alanine aminotransferase (ALT), and triglyceride (TG) levels in the serum of MAFLD mice while increasing high-density lipoprotein cholesterol (HDL-c) levels. WMF lowered liver TG levels and inflammatory factors (IL-1β, IL-6, TNF-α, and NF-κB). Metabolomic analysis of the liver annotated 78 differentially regulated metabolites enriched in four pathways: glycerophospholipid metabolism, retinol metabolism, PPAR signaling pathway, and choline metabolism. Western blot experiments showed that WMF increased the expression of PPAR-α, PPAR-β, and RXR in the liver while decreasing the expression of RAR. The study demonstrates that WMF has a solid preventive and therapeutic effect on MAFLD. The anti-inflammatory and regulation of abnormal liver metabolism activities of WMF involve retinol metabolism and the PPAR signaling pathway.
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Affiliation(s)
- Suhong Chen
- Collaborative Innovation Center of Yangtze River Delta Region Green Pharmaceuticals, Zhejiang University of Technology, Hangzhou, Zhejiang, 310014, China
- College of Pharmaceutical Science, Zhejiang Chinese Medical University, Hangzhou, Zhejiang, 310053, China
- Zhejiang Provincial Key Laboratory of TCM for Innovative R&D and Digital Intelligent Manufacturing of TCM Great Health Products, Huzhou, Zhejiang 313200, China
| | - Jiahui Huang
- Collaborative Innovation Center of Yangtze River Delta Region Green Pharmaceuticals, Zhejiang University of Technology, Hangzhou, Zhejiang, 310014, China
- Zhejiang Provincial Key Laboratory of TCM for Innovative R&D and Digital Intelligent Manufacturing of TCM Great Health Products, Huzhou, Zhejiang 313200, China
| | - Yuzhen Huang
- Collaborative Innovation Center of Yangtze River Delta Region Green Pharmaceuticals, Zhejiang University of Technology, Hangzhou, Zhejiang, 310014, China
- Zhejiang Provincial Key Laboratory of TCM for Innovative R&D and Digital Intelligent Manufacturing of TCM Great Health Products, Huzhou, Zhejiang 313200, China
| | - Chengliang Zhou
- Collaborative Innovation Center of Yangtze River Delta Region Green Pharmaceuticals, Zhejiang University of Technology, Hangzhou, Zhejiang, 310014, China
- Zhejiang Provincial Key Laboratory of TCM for Innovative R&D and Digital Intelligent Manufacturing of TCM Great Health Products, Huzhou, Zhejiang 313200, China
| | - Ning Wang
- Collaborative Innovation Center of Yangtze River Delta Region Green Pharmaceuticals, Zhejiang University of Technology, Hangzhou, Zhejiang, 310014, China
- Zhejiang Provincial Key Laboratory of TCM for Innovative R&D and Digital Intelligent Manufacturing of TCM Great Health Products, Huzhou, Zhejiang 313200, China
| | - Linnan Zhang
- Collaborative Innovation Center of Yangtze River Delta Region Green Pharmaceuticals, Zhejiang University of Technology, Hangzhou, Zhejiang, 310014, China
- Zhejiang Provincial Key Laboratory of TCM for Innovative R&D and Digital Intelligent Manufacturing of TCM Great Health Products, Huzhou, Zhejiang 313200, China
| | - Zehua Zhang
- Collaborative Innovation Center of Yangtze River Delta Region Green Pharmaceuticals, Zhejiang University of Technology, Hangzhou, Zhejiang, 310014, China
- Zhejiang Provincial Key Laboratory of TCM for Innovative R&D and Digital Intelligent Manufacturing of TCM Great Health Products, Huzhou, Zhejiang 313200, China
| | - Bo Li
- Collaborative Innovation Center of Yangtze River Delta Region Green Pharmaceuticals, Zhejiang University of Technology, Hangzhou, Zhejiang, 310014, China
- Zhejiang Provincial Key Laboratory of TCM for Innovative R&D and Digital Intelligent Manufacturing of TCM Great Health Products, Huzhou, Zhejiang 313200, China
| | - Xinglishang He
- Collaborative Innovation Center of Yangtze River Delta Region Green Pharmaceuticals, Zhejiang University of Technology, Hangzhou, Zhejiang, 310014, China
- Zhejiang Provincial Key Laboratory of TCM for Innovative R&D and Digital Intelligent Manufacturing of TCM Great Health Products, Huzhou, Zhejiang 313200, China
| | - Kungen Wang
- The First Affiliated Hospital of Zhejiang Chinese Medical University, Hangzhou, Zhejiang, 310006, China
- Kungen Wang National Famous Chinese Medicine Doctor Studio, Hangzhou, Zhejiang, 310006, China
| | - Yihui Zhi
- The First Affiliated Hospital of Zhejiang Chinese Medical University, Hangzhou, Zhejiang, 310006, China
- Kungen Wang National Famous Chinese Medicine Doctor Studio, Hangzhou, Zhejiang, 310006, China
| | - Guiyuan Lv
- College of Pharmaceutical Science, Zhejiang Chinese Medical University, Hangzhou, Zhejiang, 310053, China
| | - Shuhua Shen
- The First Affiliated Hospital of Zhejiang Chinese Medical University, Hangzhou, Zhejiang, 310006, China
- Kungen Wang National Famous Chinese Medicine Doctor Studio, Hangzhou, Zhejiang, 310006, China
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Wierzbowska N, Olszowski T, Chlubek D, Kozłowski M, Cymbaluk-Płoska A. Vitamins in Gynecologic Malignancies. Nutrients 2024; 16:1392. [PMID: 38732639 PMCID: PMC11085130 DOI: 10.3390/nu16091392] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2024] [Revised: 04/29/2024] [Accepted: 05/01/2024] [Indexed: 05/13/2024] Open
Abstract
The combination of vitamin A and D derivatives with classical chemotherapeutic treatments results in more satisfactory outcomes. The use of drug combinations, such as 9cUAB130 with carboplatin and cisplatin with TAC-101, shows enhanced cytotoxic effects and reductions in ovarian tumor volume compared to single-drug treatments. Combining cisplatin with calcitriol and progesterone increases VDR expression, potentially enhancing the effectiveness of anticancer therapy in ovarian cancer. The effectiveness of vitamin derivatives in anticancer treatment may vary depending on the characteristics of the tumor and the cell line from which it originated. An increase in thiamine intake of one unit is associated with an 18% decrease in HPV infection. Higher intake of vitamin C by 50 mg/day is linked to a lower risk of cervical neoplasia. Beta-carotene, vitamin C, and vitamin E are associated with risk reductions of 12%, 15%, and 9% in endometrial cancer, respectively. A balanced daily intake of vitamins is important, as both deficiency and excess can influence cancer development. It has been observed that there is a U-shaped relationship between group B vitamins and metabolic markers and clinical outcomes.
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Affiliation(s)
- Natalia Wierzbowska
- Department of Reconstructive Surgery and Gynecological Oncology, Pomeranian Medical University in Szczecin, Al. Powstańców Wielkopolskich 72, 70-111 Szczecin, Poland
| | - Tomasz Olszowski
- Department of Hygiene and Epidemiology, Pomeranian Medical University in Szczecin, Al. Powstańców Wielkopolskich 72, 70-111 Szczecin, Poland
| | - Dariusz Chlubek
- Department of Biochemistry and Medical Chemistry, Pomeranian Medical University in Szczecin, Al. Powstańców Wielkopolskich 72, 70-111 Szczecin, Poland
| | - Mateusz Kozłowski
- Department of Reconstructive Surgery and Gynecological Oncology, Pomeranian Medical University in Szczecin, Al. Powstańców Wielkopolskich 72, 70-111 Szczecin, Poland
| | - Aneta Cymbaluk-Płoska
- Department of Reconstructive Surgery and Gynecological Oncology, Pomeranian Medical University in Szczecin, Al. Powstańców Wielkopolskich 72, 70-111 Szczecin, Poland
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Ye Q, Zhong Q, Huang G, Zhang W. Establishment of Reference Range for Serum Concentration of Vitamin A and Vitamin E in Southern Sichuan Area of China. J Clin Lab Anal 2024; 38:e25074. [PMID: 38847175 PMCID: PMC11211669 DOI: 10.1002/jcla.25074] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2023] [Revised: 01/22/2024] [Accepted: 05/19/2024] [Indexed: 06/29/2024] Open
Abstract
OBJECTIVE To establish the reference range of serum concentration of vitamin A (VA) and vitamin E (VE) in Southern Sichuan area of China. METHODS From August 1, 2021, to May 31, 2023, 9482 blood tablets were received for the screening of VA and VE. The information was divided into four different age groups: ≤1 year old, 1< to ≤6 years, 6< to ≤17 years, and 17< to ≤59 years. In each age group, the four seasons were further subdivided into spring, summer, autumn, and winter, as well as male and female genders. The serum concentration of VA and VE was detected by liquid chromatography-tandem mass spectrometry (HPLC-MS), and the reference range was established for verification. RESULTS The concentration of VA and VE in 9482 cases showed skewed distribution. When comparing between different age groups, the serum concentration of VA and VE was statistically significant (p < 0.05). While comparing different seasons, the serum VA levels in different seasons were significantly different (p < 0.05) except in summer and autumn. There was statistical significance in VE level in different seasons (p < 0.05). And while comparing different genders, there was no statistical significance in VA concentration levels (p > 0.05). The VE concentration levels were statistically significant (p < 0.05). The established reference range was established and verified, and the results were in accordance with the standard. CONCLUSION The reference range of VA and VE should be set according to different ages, different seasons, and different genders.
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Affiliation(s)
- Qiang Ye
- Zigong Maternity and Child Health Care HospitalSichuan ZigongChina
| | - Qiang Zhong
- Sichuan Sanwu Technology Co., LtdSichuan ChengduChina
| | - Guoping Huang
- Zigong Maternity and Child Health Care HospitalSichuan ZigongChina
| | - Wen Zhang
- Sichuan Sanwu Technology Co., LtdSichuan ChengduChina
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Zeng T, Lv J, Liang J, Xie B, Liu L, Tan Y, Zhu J, Jiang J, Xie H. Zebrafish cobll1a regulates lipid homeostasis via the RA signaling pathway. Front Cell Dev Biol 2024; 12:1381362. [PMID: 38699158 PMCID: PMC11063382 DOI: 10.3389/fcell.2024.1381362] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2024] [Accepted: 04/04/2024] [Indexed: 05/05/2024] Open
Abstract
Background The COBLL1 gene has been implicated in human central obesity, fasting insulin levels, type 2 diabetes, and blood lipid profiles. However, its molecular mechanisms remain largely unexplored. Methods In this study, we established cobll1a mutant lines using the CRISPR/Cas9-mediated gene knockout technique. To further dissect the molecular underpinnings of cobll1a during early development, transcriptome sequencing and bioinformatics analysis was employed. Results Our study showed that compared to the control, cobll1a -/- zebrafish embryos exhibited impaired development of digestive organs, including the liver, intestine, and pancreas, at 4 days post-fertilization (dpf). Transcriptome sequencing and bioinformatics analysis results showed that in cobll1a knockout group, the expression level of genes in the Retinoic Acid (RA) signaling pathway was affected, and the expression level of lipid metabolism-related genes (fasn, scd, elovl2, elovl6, dgat1a, srebf1 and srebf2) were significantly changed (p < 0.01), leading to increased lipid synthesis and decreased lipid catabolism. The expression level of apolipoprotein genes (apoa1a, apoa1b, apoa2, apoa4a, apoa4b, and apoea) genes were downregulated. Conclusion Our study suggest that the loss of cobll1a resulted in disrupted RA metabolism, reduced lipoprotein expression, and abnormal lipid transport, therefore contributing to lipid accumulation and deleterious effects on early liver development.
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Affiliation(s)
- Ting Zeng
- Hunan International Joint Laboratory of Animal Intestinal Ecology and Health, Laboratory of Animal Nutrition and Human Health, College of Life Sciences, Hunan Normal University, Changsha, Hunan, China
- Hunan Provincial Key Laboratory of Animal Intestinal Function and Regulation, Changsha, Hunan, China
| | - Jinrui Lv
- Hunan International Joint Laboratory of Animal Intestinal Ecology and Health, Laboratory of Animal Nutrition and Human Health, College of Life Sciences, Hunan Normal University, Changsha, Hunan, China
- Hunan Provincial Key Laboratory of Animal Intestinal Function and Regulation, Changsha, Hunan, China
| | - Jiaxin Liang
- Hunan International Joint Laboratory of Animal Intestinal Ecology and Health, Laboratory of Animal Nutrition and Human Health, College of Life Sciences, Hunan Normal University, Changsha, Hunan, China
- Hunan Provincial Key Laboratory of Animal Intestinal Function and Regulation, Changsha, Hunan, China
| | - Binling Xie
- Hunan International Joint Laboratory of Animal Intestinal Ecology and Health, Laboratory of Animal Nutrition and Human Health, College of Life Sciences, Hunan Normal University, Changsha, Hunan, China
- Hunan Provincial Key Laboratory of Animal Intestinal Function and Regulation, Changsha, Hunan, China
| | - Ling Liu
- Hunan International Joint Laboratory of Animal Intestinal Ecology and Health, Laboratory of Animal Nutrition and Human Health, College of Life Sciences, Hunan Normal University, Changsha, Hunan, China
- Hunan Provincial Key Laboratory of Animal Intestinal Function and Regulation, Changsha, Hunan, China
| | - Yuanyuan Tan
- Hunan International Joint Laboratory of Animal Intestinal Ecology and Health, Laboratory of Animal Nutrition and Human Health, College of Life Sciences, Hunan Normal University, Changsha, Hunan, China
- Hunan Provincial Key Laboratory of Animal Intestinal Function and Regulation, Changsha, Hunan, China
| | - Junwei Zhu
- Hunan International Joint Laboratory of Animal Intestinal Ecology and Health, Laboratory of Animal Nutrition and Human Health, College of Life Sciences, Hunan Normal University, Changsha, Hunan, China
- Hunan Provincial Key Laboratory of Animal Intestinal Function and Regulation, Changsha, Hunan, China
| | - Jifan Jiang
- Hunan International Joint Laboratory of Animal Intestinal Ecology and Health, Laboratory of Animal Nutrition and Human Health, College of Life Sciences, Hunan Normal University, Changsha, Hunan, China
- Hunan Provincial Key Laboratory of Animal Intestinal Function and Regulation, Changsha, Hunan, China
| | - Huaping Xie
- Hunan International Joint Laboratory of Animal Intestinal Ecology and Health, Laboratory of Animal Nutrition and Human Health, College of Life Sciences, Hunan Normal University, Changsha, Hunan, China
- Hunan Provincial Key Laboratory of Animal Intestinal Function and Regulation, Changsha, Hunan, China
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Shastak Y, Pelletier W. Pet Wellness and Vitamin A: A Narrative Overview. Animals (Basel) 2024; 14:1000. [PMID: 38612239 PMCID: PMC11010875 DOI: 10.3390/ani14071000] [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: 02/21/2024] [Revised: 03/19/2024] [Accepted: 03/20/2024] [Indexed: 04/14/2024] Open
Abstract
The health of companion animals, particularly dogs and cats, is significantly influenced by nutrition, with vitamins playing a crucial role. Vitamin A, in particular, is indispensable, with diverse roles ranging from vision to immune modulation and reproduction. Despite its importance, the metabolism and dietary requirements of vitamin A in companion animals remain complex and not fully understood. This review provides a comprehensive overview of the historical perspective, the digestion, the metabolism, the physiological roles, the deficiency, the excess, and the interactions with other micronutrients of vitamin A in companion animals. Additionally, it highlights future research directions and gaps in our understanding. Insights into the metabolism of vitamin A in companion animals, personalized nutrition strategies based on genetic variability, longitudinal studies tracking the status of vitamin A, and investigations into its immunomodulatory effects are crucial for optimizing pet health and wellness. Furthermore, understanding the stability and bioavailability of vitamin A in pet food formulations is essential for ensuring the provision of adequate micronutrients. Overall, this review underscores the importance of vitamin A in companion animal nutrition and the need for further research to enhance our understanding and to optimize dietary recommendations for pet health and well-being.
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Affiliation(s)
- Yauheni Shastak
- Nutrition & Health Division, BASF SE, 67063 Ludwigshafen am Rhein, Germany
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Leal AS, Hung PY, Chowdhury AS, Liby KT. Retinoid X Receptor agonists as selective modulators of the immune system for the treatment of cancer. Pharmacol Ther 2023; 252:108561. [PMID: 37952906 DOI: 10.1016/j.pharmthera.2023.108561] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2023] [Revised: 09/28/2023] [Accepted: 11/06/2023] [Indexed: 11/14/2023]
Abstract
Upon heterodimerizing with other nuclear receptors, retinoid X receptors (RXR) act as ligand-dependent transcription factors, regulating transcription of critical signaling pathways that impact numerous hallmarks of cancer. By controlling both inflammation and immune responses, ligands that activate RXR can modulate the tumor microenvironment. Several small molecule agonists of these essential receptors have been synthesized. Historically, RXR agonists were tested for inhibition of growth in cancer cells, but more recent drug discovery programs screen new molecules for inhibition of inflammation or activation of immune cells. Bexarotene is the first successful example of an effective therapeutic that molecularly targets RXR; this drug was approved to treat cutaneous T cell lymphoma and is still used as a standard of care treatment for this disease. No additional RXR agonists have yet achieved FDA approval, but several promising novel compounds are being developed. In this review, we provide an overview of the multiple mechanisms by which RXR signaling regulates inflammation and tumor immunity. We also discuss the potential of RXR-dependent immune cell modulation for the treatment or prevention of cancer and concomitant challenges and opportunities.
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Affiliation(s)
- Ana S Leal
- Department of Pharmacology and Toxicology, Michigan State University, East Lansing, MI, United States of America; Department of Medicine, Indiana University School of Medicine, Indianapolis, IN, United States of America
| | - Pei-Yu Hung
- Department of Physiology, Michigan State University, East Lansing, MI, United States of America
| | - Afrin Sultana Chowdhury
- Department of Pharmacology and Toxicology, Indiana University School of Medicine, Indianapolis, IN, United States of America
| | - Karen T Liby
- Department of Pharmacology and Toxicology, Michigan State University, East Lansing, MI, United States of America; Department of Medicine, Indiana University School of Medicine, Indianapolis, IN, United States of America.
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Alizadeh M, Raj S, Shojadoost B, Matsuyama-Kato A, Boodhoo N, Abdelaziz K, Sharif S. In ovo administration of retinoic acid enhances cell-mediated immune responses against an inactivated H9N2 avian influenza virus vaccine. Vaccine 2023; 41:7281-7289. [PMID: 37923694 DOI: 10.1016/j.vaccine.2023.10.059] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2023] [Revised: 10/15/2023] [Accepted: 10/22/2023] [Indexed: 11/07/2023]
Abstract
The H9N2 subtype avian influenza virus (AIV) is a low pathogenic AIV that infects avian species and lead to huge economical losses in the poultry industry. The unique immunomodulatory properties of Retinoic acid (RA), an active component of vitamin A, highlights its potential to enhance chicken's resistance to infectious diseases and perhaps vaccine-induced immunity. Therefore, the present study evaluated the effects of in ovo supplementation of RA on the immunogenicity and protective efficacy of an inactivated avian influenza virus vaccine. On embryonic day 18, eggs were inoculated with either 90 μmol RA/200 μL/egg or diluent into the amniotic sac. On days 7 and 21 post-hatch, birds were vaccinated with 15 μg of β-propiolactone (BPL) inactivated H9N2 virus via the intramuscular route. One group received BPL in combination with an adjuvant, while the other group received saline solution and served as a non-vaccinated control group. Serum samples were collected on days 7, 14, 21, 28, 35, and 42 post-primary vaccination (ppv) for antibody analysis. On day 24 ppv, spleens were collected, and splenocytes were isolated to analyze cytokine expression, interferon gamma (IFN-γ) production, and cell population. On day 28 ppv, birds in all groups were infected with H9N2 virus and oral and cloacal swabs were collected for TCID50 (50 % Tissue Culture Infectious Dose) assay up to day 7 post-infection. The results demonstrated that in ovo administration of RA did not significantly enhance the AIV vaccine-induced antibody response against H9N2 virus compared to the group that received the vaccine alone. However, RA supplementation enhanced the frequency of macrophages (KUL01+), expression of inflammatory cytokines and production of IFN-γ by splenocytes. In addition, RA administration reduced oral shedding of AIV on day 5 post-infection. In conclusion, these findings suggest that RA can be supplemented in ovo to enhance AIV vaccine efficacy against LPAIV.
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Affiliation(s)
- Mohammadali Alizadeh
- Department of Pathobiology, Ontario Veterinary College, University of Guelph, Guelph, Ontario N1G 2W1, Canada.
| | - Sugandha Raj
- Department of Pathobiology, Ontario Veterinary College, University of Guelph, Guelph, Ontario N1G 2W1, Canada.
| | | | - Ayumi Matsuyama-Kato
- Department of Pathobiology, Ontario Veterinary College, University of Guelph, Guelph, Ontario N1G 2W1, Canada.
| | - Nitish Boodhoo
- Department of Pathobiology, Ontario Veterinary College, University of Guelph, Guelph, Ontario N1G 2W1, Canada.
| | - Khaled Abdelaziz
- Animal and Veterinary Sciences Department, Clemson University, Clemson, SC 29634, USA.
| | - Shayan Sharif
- Department of Pathobiology, Ontario Veterinary College, University of Guelph, Guelph, Ontario N1G 2W1, Canada.
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Liu H, Wang X, Deng H, Huang H, Liu Y, Zhong Z, Shen L, Cao S, Ma X, Zhou Z, Chen D, Peng G. Integrated Transcriptome and Metabolomics to Reveal the Mechanism of Adipose Mesenchymal Stem Cells in Treating Liver Fibrosis. Int J Mol Sci 2023; 24:16086. [PMID: 38003277 PMCID: PMC10671340 DOI: 10.3390/ijms242216086] [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: 10/04/2023] [Revised: 11/01/2023] [Accepted: 11/06/2023] [Indexed: 11/26/2023] Open
Abstract
Liver fibrosis (LF) is a late-stage process observed in various chronic liver diseases with bile and retinol metabolism closely associated with it. Adipose-derived mesenchymal stem cells (ADMSCs) have shown significant therapeutic potential in treating LF. In this study, the transplantation of ADMSCs was applied to a CCl4-induced LF model to investigate its molecular mechanism through a multi-omics joint analysis. The findings reveal that ADMSCs effectively reduced levels of alanine aminotransferase (ALT), aspartate aminotransferase (AST), total bilirubin (TBIL), gamma-glutamyltransferase (GGT), Interleukin-6 (IL-6), tumor necrosis factor-alpha (TNF-α), and α-Smooth muscle actin (α-SMA), thereby mitigating liver lesions, preventing liver parenchymal necrosis, and improving liver collagen deposition. Furthermore, 4751 differentially expressed genes (DEGs) and 270 differentially expressed metabolites (DMs) were detected via transcriptome and metabolomics analysis. Conjoint analysis showed that ADMSCs up-regulated the expression of Cyp7a1, Baat, Cyp27a1, Adh7, Slco1a4, Aldh1a1, and Adh7 genes to promote primary bile acids (TCDCA: Taurochenodeoxycholic acid; GCDCA: Glycochenodeoxycholic acid; GCA: glycocholic acid, TCA: Taurocholic acid) synthesis, secretion and retinol metabolism. This suggests that ADMSCs play a therapeutic role in maintaining bile acid (BA) homeostasis and correcting disturbances in retinol metabolism.
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Affiliation(s)
- Haifeng Liu
- Department of Veterinary Surgery, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu 611130, China; (H.L.); (X.W.); (H.D.); (H.H.); (L.S.); (S.C.); (X.M.); (Y.L.); (Z.Z.); (Z.Z.)
| | - Xinmiao Wang
- Department of Veterinary Surgery, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu 611130, China; (H.L.); (X.W.); (H.D.); (H.H.); (L.S.); (S.C.); (X.M.); (Y.L.); (Z.Z.); (Z.Z.)
| | - Hongchuan Deng
- Department of Veterinary Surgery, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu 611130, China; (H.L.); (X.W.); (H.D.); (H.H.); (L.S.); (S.C.); (X.M.); (Y.L.); (Z.Z.); (Z.Z.)
| | - Haocheng Huang
- Department of Veterinary Surgery, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu 611130, China; (H.L.); (X.W.); (H.D.); (H.H.); (L.S.); (S.C.); (X.M.); (Y.L.); (Z.Z.); (Z.Z.)
| | - Yifan Liu
- Department of Veterinary Surgery, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu 611130, China; (H.L.); (X.W.); (H.D.); (H.H.); (L.S.); (S.C.); (X.M.); (Y.L.); (Z.Z.); (Z.Z.)
| | - Zhijun Zhong
- Department of Veterinary Surgery, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu 611130, China; (H.L.); (X.W.); (H.D.); (H.H.); (L.S.); (S.C.); (X.M.); (Y.L.); (Z.Z.); (Z.Z.)
| | - Liuhong Shen
- Department of Veterinary Surgery, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu 611130, China; (H.L.); (X.W.); (H.D.); (H.H.); (L.S.); (S.C.); (X.M.); (Y.L.); (Z.Z.); (Z.Z.)
| | - Suizhong Cao
- Department of Veterinary Surgery, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu 611130, China; (H.L.); (X.W.); (H.D.); (H.H.); (L.S.); (S.C.); (X.M.); (Y.L.); (Z.Z.); (Z.Z.)
| | - Xiaoping Ma
- Department of Veterinary Surgery, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu 611130, China; (H.L.); (X.W.); (H.D.); (H.H.); (L.S.); (S.C.); (X.M.); (Y.L.); (Z.Z.); (Z.Z.)
| | - Ziyao Zhou
- Department of Veterinary Surgery, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu 611130, China; (H.L.); (X.W.); (H.D.); (H.H.); (L.S.); (S.C.); (X.M.); (Y.L.); (Z.Z.); (Z.Z.)
| | - Dechun Chen
- College of Animal and Veterinary Sciences, Southwest Minzu University, Chengdu 610041, China
| | - Guangneng Peng
- Department of Veterinary Surgery, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu 611130, China; (H.L.); (X.W.); (H.D.); (H.H.); (L.S.); (S.C.); (X.M.); (Y.L.); (Z.Z.); (Z.Z.)
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Chepngeno J, Amimo JO, Michael H, Raev SA, Jung K, Lee MV, Damtie D, Omwando A, Vlasova AN, Saif LJ. Vitamin A deficiency and vitamin A supplementation affect innate and T cell immune responses to rotavirus A infection in a conventional sow model. Front Immunol 2023; 14:1188757. [PMID: 37180172 PMCID: PMC10166828 DOI: 10.3389/fimmu.2023.1188757] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2023] [Accepted: 04/10/2023] [Indexed: 05/15/2023] Open
Abstract
Rotavirus A (RVA) causes ~200,000 diarrheal deaths annually in children <5yrs, mostly in low- and middle-income countries. Risk factors include nutritional status, social factors, breastfeeding status, and immunodeficiency. We evaluated the effects of vitamin A (VA) deficiency/VA supplementation and RVA exposure (anamnestic) on innate and T cell immune responses in RVA seropositive pregnant and lactating sows and passive protection of their piglets post-RVA challenge. Sows were fed VA deficient (VAD) or sufficient (VAS) diets starting at gestation day (GD)30. A subset of VAD sows received VA supplementation from GD|76 (30,000IU/day, VAD+VA). Sows (6 groups) were inoculated with porcine RVA G5P[7] (OSU strain) or Minimal Essential Medium (mock) at GD~90: VAD+RVA; VAS+RVA; VAD+VA+RVA; VAD-mock; VAS-mock; and VAD+VA-mock. Blood, milk, and gut-associated tissues were collected from sows at several time points to examine innate [natural killer (NK), dendritic (DC) cells], T cell responses and changes in genes involved in the gut-mammary gland (MG)-immunological axis trafficking. Clinical signs of RVA were evaluated post inoculation of sows and post-challenge of piglets. We observed decreased frequencies of NK cells, total and MHCII+ plasmacytoid DCs, conventional DCs, CD103+ DCs and CD4+/CD8+ and T regulatory cells (Tregs) and NK cell activity in VAD+RVA sows. Polymeric Ig receptor and retinoic acid receptor alpha (RARα) genes were downregulated in mesenteric lymph nodes and ileum of VAD+RVA sows. Interestingly, RVA-specific IFN-γ producing CD4+/CD8+ T cells were increased in VAD-Mock sows, coinciding with increased IL-22 suggesting inflammation in these sows. VA supplementation to VAD+RVA sows restored frequencies of NK cells and pDCs, and NK activity, but not tissue cDCs and blood Tregs. In conclusion, similar to our recent observations of decreased B cell responses in VAD sows that led to decreased passive immune protection of their piglets, VAD impaired innate and T cell responses in sows, while VA supplementation to VAD sows restored some, but not all responses. Our data reiterate the importance of maintaining adequate VA levels and RVA immunization in pregnant and lactating mothers to achieve optimal immune responses, efficient function of the gut-MG-immune cell-axis and to improve passive protection of their piglets.
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Affiliation(s)
- Juliet Chepngeno
- Center for Food Animal Health, Department of Animal Sciences, College of Food Agricultural and Environmental Sciences, The Ohio State University, Wooster, OH, United States
- Department of Veterinary Preventive Medicine, The College of Veterinary Medicine, The Ohio State University, Columbus, OH, United States
| | - Joshua O. Amimo
- Center for Food Animal Health, Department of Animal Sciences, College of Food Agricultural and Environmental Sciences, The Ohio State University, Wooster, OH, United States
- Department of Animal Production, Faculty of Veterinary Medicine, University of Nairobi, Nairobi, Kenya
| | - Husheem Michael
- Center for Food Animal Health, Department of Animal Sciences, College of Food Agricultural and Environmental Sciences, The Ohio State University, Wooster, OH, United States
| | - Sergei A. Raev
- Center for Food Animal Health, Department of Animal Sciences, College of Food Agricultural and Environmental Sciences, The Ohio State University, Wooster, OH, United States
| | - Kwonil Jung
- Center for Food Animal Health, Department of Animal Sciences, College of Food Agricultural and Environmental Sciences, The Ohio State University, Wooster, OH, United States
| | - Marcia V. Lee
- Center for Food Animal Health, Department of Animal Sciences, College of Food Agricultural and Environmental Sciences, The Ohio State University, Wooster, OH, United States
| | - Debasu Damtie
- Department of Immunology and Molecular Biology, School of Biomedical and Laboratory Sciences, College of Medicine and Health Sciences, University of Gondar, Gondar, Ethiopia
- The Ohio State University Global One Health LLC, Eastern Africa Regional Office, Addis Ababa, Ethiopia
| | - Alfred Omwando
- Department of Public Health, Pharmacology and Toxicology, Faculty of Veterinary Medicine, University of Nairobi, Nairobi, Kenya
| | - Anastasia N. Vlasova
- Center for Food Animal Health, Department of Animal Sciences, College of Food Agricultural and Environmental Sciences, The Ohio State University, Wooster, OH, United States
- Department of Veterinary Preventive Medicine, The College of Veterinary Medicine, The Ohio State University, Columbus, OH, United States
| | - Linda J. Saif
- Center for Food Animal Health, Department of Animal Sciences, College of Food Agricultural and Environmental Sciences, The Ohio State University, Wooster, OH, United States
- Department of Veterinary Preventive Medicine, The College of Veterinary Medicine, The Ohio State University, Columbus, OH, United States
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10
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Xia P, Hou T, Jin H, Meng Y, Li J, Zhan F, Geng F, Li B. A critical review on inflammatory bowel diseases risk factors, dietary nutrients regulation and protective pathways based on gut microbiota during recent 5 years. Crit Rev Food Sci Nutr 2023:1-17. [PMID: 37096497 DOI: 10.1080/10408398.2023.2204147] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/26/2023]
Abstract
The treatment of inflammatory bowel diseases (IBDs) has become a worldwide problem. Intestinal flora plays an important role in the development and progression of IBDs. Various risk factors (psychology, living habits, dietary patterns, environment) influence the structure and composition of the gut microbiota and contribute to the susceptibility to IBDs. This review aims to provide a comprehensive overview on risk factors regulating intestinal microenvironment which was contributed to IBDs. Five protective pathways related to intestinal flora were also discussed. We hope to provide systemic and comprehensive insights of IBDs treatment and to offer theoretical guidance for personalized patients with precision nutrition.
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Affiliation(s)
- Pengkui Xia
- College of Food Science and Technology, Huazhong Agricultural University, Wuhan, China
- Key Laboratory of Environment Correlative Dietology (Huazhong Agricultural University), Ministry of Education, Wuhan, China
| | - Tao Hou
- College of Food Science and Technology, Huazhong Agricultural University, Wuhan, China
- Key Laboratory of Environment Correlative Dietology (Huazhong Agricultural University), Ministry of Education, Wuhan, China
| | - Hong Jin
- College of Food Science and Technology, Huazhong Agricultural University, Wuhan, China
- Key Laboratory of Environment Correlative Dietology (Huazhong Agricultural University), Ministry of Education, Wuhan, China
| | - Yaqi Meng
- College of Food Science and Technology, Huazhong Agricultural University, Wuhan, China
- Key Laboratory of Environment Correlative Dietology (Huazhong Agricultural University), Ministry of Education, Wuhan, China
| | - Jing Li
- College of Food Science and Technology, Huazhong Agricultural University, Wuhan, China
- Key Laboratory of Environment Correlative Dietology (Huazhong Agricultural University), Ministry of Education, Wuhan, China
| | - Fuchao Zhan
- College of Food Science and Technology, Huazhong Agricultural University, Wuhan, China
- Key Laboratory of Environment Correlative Dietology (Huazhong Agricultural University), Ministry of Education, Wuhan, China
| | - Fang Geng
- College of Food and Biological Engineering, Chengdu University, Chengdu, China
| | - Bin Li
- College of Food Science and Technology, Huazhong Agricultural University, Wuhan, China
- Key Laboratory of Environment Correlative Dietology (Huazhong Agricultural University), Ministry of Education, Wuhan, China
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11
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Badolati I, van der Heiden M, Brodin D, Zuurveld M, Szilágyi S, Björkander S, Sverremark-Ekström E. Staphylococcus aureus-derived factors promote human Th9 cell polarization and enhance a transcriptional program associated with allergic inflammation. Eur J Immunol 2023; 53:e2250083. [PMID: 36550071 DOI: 10.1002/eji.202250083] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2022] [Revised: 12/09/2022] [Accepted: 12/21/2022] [Indexed: 12/24/2022]
Abstract
T helper (Th) 9 cells, characterized by robust secretion of IL-9, have been increasingly associated with allergic diseases. However, whether and how Th9 cells are modulated by environmental stimuli remains poorly understood. In this study, we show that in vitro exposure of human PBMCs or isolated CD4 T-cells to Staphylococcus (S.) aureus-derived factors, including its toxins, potently enhances Th9 cell frequency and IL-9 secretion. Furthermore, as revealed by RNA sequencing analysis, S. aureus increases the expression of Th9-promoting factors at the transcriptional level, such as FOXO1, miR-155, and TNFRSF4. The addition of retinoic acid (RA) dampens the Th9 responses promoted by S. aureus and substantially changes the transcriptional program induced by this bacterium, while also altering the expression of genes associated with allergic inflammation. Together, our results demonstrate a strong influence of microbial and dietary factors on Th9 cell polarization, which may be important in the context of allergy development and treatment.
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Affiliation(s)
- Isabella Badolati
- Department of Molecular Biosciences, The Wenner-Gren Institute, Stockholm University, Stockholm, Sweden
| | - Marieke van der Heiden
- Department of Molecular Biosciences, The Wenner-Gren Institute, Stockholm University, Stockholm, Sweden
- Department of Medical Microbiology and Infection Prevention, University Medical Center Groningen, University of Groningen, Groningen, Netherlands
| | - David Brodin
- Bioinformatics and Expression Analysis Core Facility, Karolinska Institutet, Huddinge, Sweden
| | - Marit Zuurveld
- Department of Molecular Biosciences, The Wenner-Gren Institute, Stockholm University, Stockholm, Sweden
| | - Szilvia Szilágyi
- Department of Molecular Biosciences, The Wenner-Gren Institute, Stockholm University, Stockholm, Sweden
| | - Sophia Björkander
- Department of Molecular Biosciences, The Wenner-Gren Institute, Stockholm University, Stockholm, Sweden
- Department of Clinical Science and Education, Södersjukhuset, Karolinska Institutet, Stockholm, Sweden
| | - Eva Sverremark-Ekström
- Department of Molecular Biosciences, The Wenner-Gren Institute, Stockholm University, Stockholm, Sweden
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12
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Huang D, Qian X, Chen J, Peng Y, Zhu Y. Factors and Molecular Mechanisms of Vitamin A and Childhood Obesity Relationship: A Review. J Nutr Sci Vitaminol (Tokyo) 2023; 69:157-163. [PMID: 37394420 DOI: 10.3177/jnsv.69.157] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/04/2023]
Abstract
Childhood obesity has become a public health concern. As the importance of vitamin A (VA) in the body has become increasingly acknowledged, there is limited clinical trial evidence to substantiate the association between VA and childhood obesity. Vitamin A deficiency (VAD) increases the risk of childhood obesity, a finding consistently reported in pregnant women. VA could regulate the adipogenic process, inflammation, oxidative stress and metabolism-related gene expression in mature adipocytes. VAD disrupts the balance of obesity-related metabolism, thus affecting lipid metabolism and insulin regulation. Conversely, VA supplementation has a major impact on efficacy in obesity, and obese individuals typically have a lower VA status than normal-weight individuals. Several studies have attempted to identify the genetic and molecular mechanisms underlying the association between VA and obesity. In this review, we summarize and discuss recent new developments focusing on retinol, retinoic acid, and RBP4 and elucidate and provide an overview of the complex interrelationships between these critical components of VA and childhood obesity. However, the causal relationship between VA status and childhood obesity remains unclear. It is also unknown whether VA supplementation improves the overall obesogenic metabolic profile.
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Affiliation(s)
- Dan Huang
- Department of Child Health Care, Hangzhou Women's Hospital (Hangzhou Maternity and Child Care Hospital)
| | - Xia Qian
- Department of Child Health Care, Hangzhou Women's Hospital (Hangzhou Maternity and Child Care Hospital)
| | - Jinqing Chen
- Department of Child Health Care, Hangzhou Women's Hospital (Hangzhou Maternity and Child Care Hospital)
| | - Yating Peng
- Department of Child Health Care, Hangzhou Women's Hospital (Hangzhou Maternity and Child Care Hospital)
| | - Yunxia Zhu
- Department of Child Health Care, Hangzhou Women's Hospital (Hangzhou Maternity and Child Care Hospital)
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13
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Podell BK, Aibana O, Huang CC, DiLisio JE, Harris MC, Ackart DF, Armann K, Grover A, Severe P, Juste MAJ, Dupnik K, Basaraba RJ, Murray MB. The Impact of Vitamin A Deficiency on Tuberculosis Progression. Clin Infect Dis 2022; 75:2178-2185. [PMID: 35486953 PMCID: PMC10200303 DOI: 10.1093/cid/ciac326] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2022] [Revised: 04/06/2022] [Accepted: 04/21/2022] [Indexed: 01/19/2023] Open
Abstract
BACKGROUND Although previous studies have shown that vitamin A deficiency is associated with incident tuberculosis (TB) disease, the direction of the association has not been established. We investigated the impact of vitamin A deficiency on TB disease progression. METHODS We conducted a longitudinal cohort study nested within a randomized clinical trial among HIV-infected patients in Haiti. We compared serial vitamin A levels in individuals who developed TB disease to controls matched on age, gender, follow-up time, and time to antiretroviral therapy initiation. We also evaluated histopathology, bacterial load, and immune outcomes in TB infection in a guinea pig model of dietary vitamin A deficiency. RESULTS Among 773 participants, 96 developed incident TB during follow-up, 62.5% (60) of whom had stored serum samples obtained 90-365 days before TB diagnosis. In age- and sex- adjusted and multivariate analyses, respectively, incident TB cases were 3.99 times (95% confidence interval [CI], 2.41 to 6.60) and 3.59 times (95% CI, 2.05 to 6.29) more likely to have been vitamin A deficient than matched controls. Vitamin A-deficient guinea pigs manifested more extensive pulmonary pathology, atypical granuloma morphology, and increased bacterial growth after experimental TB infection. Reintroduction of dietary vitamin A to deficient guinea pigs after established TB disease successfully abrogated severe disease manifestations and altered cellular immune profiles. CONCLUSIONS Human and animal studies support the role of baseline vitamin A deficiency as a determinant of future TB disease progression.
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Affiliation(s)
- Brendan K Podell
- Mycobacteria Research Laboratories, Department of Microbiology, Immunology, and Pathology, Colorado State University, Fort Collins, Colorado, USA
| | - Omowunmi Aibana
- Department of Internal Medicine, McGovern Medical School, Houston, Texas, USA
| | - Chuan-Chin Huang
- Department of Global Health and Social Medicine, Harvard Medical School, Boston, Massachusetts, USA
| | - James E DiLisio
- Mycobacteria Research Laboratories, Department of Microbiology, Immunology, and Pathology, Colorado State University, Fort Collins, Colorado, USA
| | - Macallister C Harris
- Mycobacteria Research Laboratories, Department of Microbiology, Immunology, and Pathology, Colorado State University, Fort Collins, Colorado, USA
| | - David F Ackart
- Mycobacteria Research Laboratories, Department of Microbiology, Immunology, and Pathology, Colorado State University, Fort Collins, Colorado, USA
| | - Kody Armann
- Mycobacteria Research Laboratories, Department of Microbiology, Immunology, and Pathology, Colorado State University, Fort Collins, Colorado, USA
| | - Alexander Grover
- Mycobacteria Research Laboratories, Department of Microbiology, Immunology, and Pathology, Colorado State University, Fort Collins, Colorado, USA
| | - Patrice Severe
- Haitian group for the study of Kaposi's Sarcoma and Opportunistic Infections (GHESKIO) Centers, Port au Prince, Haiti
| | - Marc Antoine Jean Juste
- Haitian group for the study of Kaposi's Sarcoma and Opportunistic Infections (GHESKIO) Centers, Port au Prince, Haiti
| | - Kathryn Dupnik
- Department of Medicine, Center for Global Health, Weill Cornell Medicine, New York, New York, USA
| | - Randall J Basaraba
- Mycobacteria Research Laboratories, Department of Microbiology, Immunology, and Pathology, Colorado State University, Fort Collins, Colorado, USA
| | - Megan B Murray
- Department of Global Health and Social Medicine, Harvard Medical School, Boston, Massachusetts, USA
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14
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Hilt ZT, Charles W, Cheng KE, Tabilas C, Steinhilber M, Wesnak SP, Smith NL, Schaffer CB, Rudd BD. Cutting Edge: CCR9 Promotes CD8+ T Cell Recruitment to the Brain during Congenital Cytomegalovirus Infection. JOURNAL OF IMMUNOLOGY (BALTIMORE, MD. : 1950) 2022; 209:2281-2286. [PMID: 36469843 PMCID: PMC9886274 DOI: 10.4049/jimmunol.2200578] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/22/2022] [Accepted: 10/20/2022] [Indexed: 01/04/2023]
Abstract
CD8+ T lymphocytes infiltrate the brain during congenital CMV infection and promote viral clearance. However, the mechanisms by which CD8+ T cells are recruited to the brain remain unclear. Using a mouse model of congenital CMV, we found a gut-homing chemokine receptor (CCR9) was preferentially expressed in CD8+ T cells localized in the brain postinfection. In the absence of CCR9 or CCL25 (CCR9's ligand) expression, CD8+ T cells failed to migrate to key sites of infection in the brain and protect the host from severe forms of disease. Interestingly, we found that expression of CCR9 on CD8+ T cells was also responsible for spatial temporal positioning of T cells in the brain. Collectively, our data demonstrate that the CMV-infected brain uses a similar mechanism for CD8+ T cell homing as the small intestine.
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Affiliation(s)
- Zachary T. Hilt
- Department of Microbiology and Immunology, Cornell University, Ithaca, NY 14853, USA
| | - Wisler Charles
- Department of Microbiology and Immunology, Cornell University, Ithaca, NY 14853, USA
| | - Katarina E. Cheng
- Department of Microbiology and Immunology, Cornell University, Ithaca, NY 14853, USA
| | - Cybelle Tabilas
- Department of Microbiology and Immunology, Cornell University, Ithaca, NY 14853, USA
| | - Megan Steinhilber
- Department of Microbiology and Immunology, Cornell University, Ithaca, NY 14853, USA
| | - Samantha P. Wesnak
- Department of Microbiology and Immunology, Cornell University, Ithaca, NY 14853, USA
| | - Norah L. Smith
- Department of Microbiology and Immunology, Cornell University, Ithaca, NY 14853, USA
| | - Chris B. Schaffer
- Nancy E. and Peter C. Meinig School of Biomedical Engineering, Cornell University, Ithaca, NY, USA
| | - Brian D. Rudd
- Department of Microbiology and Immunology, Cornell University, Ithaca, NY 14853, USA
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15
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scFASTCORMICS: A Contextualization Algorithm to Reconstruct Metabolic Multi-Cell Population Models from Single-Cell RNAseq Data. Metabolites 2022; 12:metabo12121211. [PMID: 36557249 PMCID: PMC9785421 DOI: 10.3390/metabo12121211] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2022] [Revised: 11/22/2022] [Accepted: 11/23/2022] [Indexed: 12/04/2022] Open
Abstract
Tumours are composed of various cancer cell populations with different mutation profiles, phenotypes and metabolism that cause them to react to drugs in diverse manners. Increasing the resolution of metabolic models based on single-cell expression data will provide deeper insight into such metabolic differences and improve the predictive power of the models. scFASTCORMICS is a network contextualization algorithm that builds multi-cell population genome-scale models from single-cell RNAseq data. The models contain a subnetwork for each cell population in a tumour, allowing to capture metabolic variations between these clusters. The subnetworks are connected by a union compartment that permits to simulate metabolite exchanges between cell populations in the microenvironment. scFASTCORMICS uses Pareto optimization to simultaneously maximise the compactness, completeness and specificity of the reconstructed metabolic models. scFASTCORMICS is implemented in MATLAB and requires the installation of the COBRA toolbox, rFASTCORMICS and the IBM CPLEX solver.
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16
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Yan J, Feng Y, Fang X, Cui X, Xia X, Li F, Luo W, Liang J, Feng J, Yu K. Anti-liver fibrosis effects of the total flavonoids of litchi semen on CCl 4-induced liver fibrosis in rats associated with the upregulation of retinol metabolism. PHARMACEUTICAL BIOLOGY 2022; 60:1264-1277. [PMID: 35787093 PMCID: PMC9262366 DOI: 10.1080/13880209.2022.2086584] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/23/2021] [Revised: 04/11/2022] [Accepted: 06/01/2022] [Indexed: 06/15/2023]
Abstract
CONTEXT The litchi semen are traditional medications for treating liver fibrosis (LF) in China. The mechanism remains unclear. OBJECTIVE This study investigates the anti-liver fibrotic mechanism of the total flavonoids of litchi semen (TFL). MATERIALS AND METHODS Sprague-Dawley rats with carbon tetrachloride-induced LF were treated with TFL (50 and 100 mg/kg) for 4 weeks. The anti-liver fibrotic effects of TFL were evaluated and the underlying mechanisms were investigated via histopathological analysis, proteomic analysis and molecular biology technology. RESULTS Significant anti-LF effects were observed in the high-TFL-dose group (TFL-H, p < 0.05). Five hundred and eighty-five and 95 differentially expressed proteins (DEPs) were identified in the LF rat model (M group) and TFL-H group, respectively. The DEPs were significantly enriched in the retinol metabolism pathway (p < 0.0001). The content of 9-cis-retinoic acid (0.93 ± 0.13 vs. 0.66 ± 0.10, p < 0.05, vs. the M group) increased significantly in the TFL-H group. The upregulation of RXRα (0.50 ± 0.05 vs. 0.27 ± 0.13 protein, p < 0.05), ALDH2 (1.24 ± 0.09 vs. 1.04 ± 0.08 protein, p < 0.05), MMP3 (0.89 ± 0.02 vs. 0.61 ± 0.12 protein, p < 0.05), Aldh1a7 (0.20 ± 0.03 vs. 0.03 ± 0.00 mRNA, p < 0.05) and Aox3 (0.72 ± 0.14 vs. 0.05 ± 0.01 mRNA, p < 0.05) after TFL treatment was verified. CONCLUSIONS TFL exhibited good anti-liver fibrotic effects, which may be related to the upregulation of the retinol metabolism pathway. TFL may be promising anti-LF agents with potential clinical application prospects.
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Affiliation(s)
- Jiongyi Yan
- College of Pharmacy, Guangxi University of Chinese Medicine, Nanning, China
- School of Health, Wuzhou Vocational College, Wuzhou, China
| | - Yinyi Feng
- College of Pharmacy, Guangxi University of Chinese Medicine, Nanning, China
| | - Xuewan Fang
- College of Pharmacy, Guangxi University of Chinese Medicine, Nanning, China
| | - Xiaojuan Cui
- College of Pharmacy, Guangxi University of Chinese Medicine, Nanning, China
| | - Xing Xia
- College of Pharmacy, Guangxi University of Chinese Medicine, Nanning, China
| | - Fang Li
- College of Pharmacy, Guangxi University of Chinese Medicine, Nanning, China
| | - Weisheng Luo
- College of Pharmacy, Guangxi University of Chinese Medicine, Nanning, China
| | - Jianqin Liang
- College of Pharmacy, Guangxi University of Chinese Medicine, Nanning, China
| | - Jianfang Feng
- College of Pharmacy, Guangxi University of Chinese Medicine, Nanning, China
| | - Kai Yu
- College of Animal Science and Technology, Guangxi University, Nanning, China
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17
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Zhu X, An W, Li X, Zhou B, Li H. Anti-inflammatory effects of Scutellaria baicalensis water extract in LPS-induced THP-1 Macrophages through metabolomics study. ARAB J CHEM 2022. [DOI: 10.1016/j.arabjc.2022.104507] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
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18
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Immune Impairment Associated with Vitamin A Deficiency: Insights from Clinical Studies and Animal Model Research. Nutrients 2022; 14:nu14235038. [PMID: 36501067 PMCID: PMC9738822 DOI: 10.3390/nu14235038] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2022] [Revised: 11/20/2022] [Accepted: 11/22/2022] [Indexed: 11/29/2022] Open
Abstract
Vitamin A (VA) is critical for many biological processes, including embryonic development, hormone production and function, the maintenance and modulation of immunity, and the homeostasis of epithelium and mucosa. Specifically, VA affects cell integrity, cytokine production, innate immune cell activation, antigen presentation, and lymphocyte trafficking to mucosal surfaces. VA also has been reported to influence the gut microbiota composition and diversity. Consequently, VA deficiency (VAD) results in the imbalanced production of inflammatory and immunomodulatory cytokines, intestinal inflammation, weakened mucosal barrier functions, reduced reactive oxygen species (ROS) and disruption of the gut microbiome. Although VAD is primarily known to cause xerophthalmia, its role in the impairment of anti-infectious defense mechanisms is less defined. Infectious diseases lead to temporary anorexia and lower dietary intake; furthermore, they adversely affect VA status by interfering with VA absorption, utilization and excretion. Thus, there is a tri-directional relationship between VAD, immune response and infections, as VAD affects immune response and predisposes the host to infection, and infection decreases the intestinal absorption of the VA, thereby contributing to secondary VAD development. This has been demonstrated using nutritional and clinical studies, radiotracer studies and knockout animal models. An in-depth understanding of the relationship between VAD, immune response, gut microbiota and infections is critical for optimizing vaccine efficacy and the development of effective immunization programs for countries with high prevalence of VAD. Therefore, in this review, we have comprehensively summarized the existing knowledge regarding VAD impacts on immune responses to infections and post vaccination. We have detailed pathological conditions associated with clinical and subclinical VAD, gut microbiome adaptation to VAD and VAD effects on the immune responses to infection and vaccines.
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19
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Zuurveld M, Kiliaan PC, van Grinsven SE, Folkerts G, Garssen J, van't Land B, Willemsen LE. Ovalbumin-Induced Epithelial Activation Directs Monocyte-Derived Dendritic Cells to Instruct Type 2 Inflammation in T Cells Which Is Differentially Modulated by 2'-Fucosyllactose and 3-Fucosyllactose. J Innate Immun 2022; 15:222-239. [PMID: 36215948 PMCID: PMC10643896 DOI: 10.1159/000526528] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2022] [Accepted: 08/11/2022] [Indexed: 11/19/2022] Open
Abstract
Allergic sensitization starts with epithelial cell activation driving dendritic cells (DCs) to instruct T helper 2 (Th2) cell polarization. Food allergens trigger intestinal epithelial cell (IEC) activation. Human milk oligosaccharides may temper the allergic phenotype by shaping mucosal immune responses.We investigated in vitro mucosal immune development after allergen exposure by combining ovalbumin (OVA)-preexposed IEC with monocyte-derived DCs (OVA-IEC-DCs) and subsequent coculture of OVA-IEC-DCs with Th cells. IECs were additionally preincubated with 2'FL or 3FL.OVA activation increased IEC cytokine secretion. OVA-IEC-DCs instructed both IL13 (p < 0.05) and IFNγ (p < 0.05) secretion from Th cells. 2'FL and 3FL permitted OVA-induced epithelial activation, but 2'FL-OVA-IEC-DCs boosted inflammatory and regulatory T-cell development. 3FL-OVA-IEC lowered IL12p70 and IL23 in DCs and suppressed IL13 (p < 0.005) in T cells, while enhancing IL17 (p < 0.001) and IL10 (p < 0.005).These results show that OVA drives Th2- and Th1-type immune responses via activation of IECs in this model. 2'FL and 3FL differentially affect OVA-IEC-driven immune effects. 2'FL boosted overall T-cell OVA-IEC immunity via DC enhancing inflammatory and regulatory responses. 3FL-OVA-IEC-DCs silenced IL13, shifting the balance towards IL17 and IL10.This model demonstrates the contribution of IEC to OVA Th2-type immunity. 2'FL and 3FL modulate the OVA-induced activation in this novel model to study allergic sensitization.
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Affiliation(s)
- Marit Zuurveld
- Division of Pharmacology, Utrecht Institute for Pharmaceutical Sciences, Faculty of Science, Utrecht University, Utrecht, The Netherlands
| | - Pien C.J. Kiliaan
- Division of Pharmacology, Utrecht Institute for Pharmaceutical Sciences, Faculty of Science, Utrecht University, Utrecht, The Netherlands
| | - Sophie E.L. van Grinsven
- Division of Pharmacology, Utrecht Institute for Pharmaceutical Sciences, Faculty of Science, Utrecht University, Utrecht, The Netherlands
| | - Gert Folkerts
- Division of Pharmacology, Utrecht Institute for Pharmaceutical Sciences, Faculty of Science, Utrecht University, Utrecht, The Netherlands
| | - Johan Garssen
- Division of Pharmacology, Utrecht Institute for Pharmaceutical Sciences, Faculty of Science, Utrecht University, Utrecht, The Netherlands
- Danone Nutricia Research, Utrecht, The Netherlands
| | - Belinda van't Land
- Danone Nutricia Research, Utrecht, The Netherlands
- Center for Translational Immunology, University Medical Center Utrecht, Utrecht, The Netherlands
| | - Linette E.M. Willemsen
- Division of Pharmacology, Utrecht Institute for Pharmaceutical Sciences, Faculty of Science, Utrecht University, Utrecht, The Netherlands
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20
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Fat-Soluble Vitamin Deficiencies and Disruption of the Immune System in Pancreatic Cancer: A Vicious Cycle. Pancreas 2022; 51:923-929. [PMID: 36607936 DOI: 10.1097/mpa.0000000000002128] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
ABSTRACT Pancreatic ductal adenocarcinoma (PDAC) is currently an increasing contributor to cancer-related mortality. Despite advances in cancer treatment, PDAC survival rates have remained roughly unchanged over the years. Specifically, late diagnosis and insensitivity to currently available therapeutic regimens have been identified as the main causes for its poor survival. Pancreatic exocrine insufficiency (PEI) is a typical complication associated with PDAC diagnosis and pancreatic surgery. Pancreatic exocrine insufficiency, a major contributor to maldigestion in PDAC, is often not treated because it remains undetected because of lack of overt signs and symptoms. In this review, we will focus on the major consequences of PEI, including the inadequacy of lipase excretion, which results in deficiency of fat-soluble vitamins. Because PDAC is known for its immune-high jacking mechanisms, we describe key features in which deficiencies of fat-soluble vitamins may contribute to the aggressive biological behavior and immune evasion in PDAC. Because PEI has been shown to worsen survival rates in patients with PDAC, detecting PEI and the related fat-soluble vitamin deficits at the time of PDAC diagnosis is critical. Moreover, timely supplementation of pancreatic enzymes and fat-soluble vitamins may improve outcomes for PDAC patients.
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Puricelli C, Boggio E, Gigliotti CL, Stoppa I, Sutti S, Rolla R, Dianzani U. Cutting-Edge Delivery Systems and Adjuvants in Tolerogenic Vaccines: A Review. Pharmaceutics 2022; 14:pharmaceutics14091782. [PMID: 36145531 PMCID: PMC9501480 DOI: 10.3390/pharmaceutics14091782] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2022] [Revised: 08/19/2022] [Accepted: 08/22/2022] [Indexed: 11/16/2022] Open
Abstract
Conventional therapies for immune-mediated diseases, including autoimmune disorders, transplant reactions, and allergies, have undergone a radical evolution in the last few decades; however, they are still not specific enough to avoid widespread immunosuppression. The idea that vaccine usage could be extended beyond its traditional immunogenic function by encompassing the ability of vaccines to induce antigen-specific tolerance may revolutionize preventive and therapeutic strategies in several clinical fields that deal with immune-mediated disorders. This approach has been supported by improved data relating to the several mechanisms involved in controlling unwanted immune responses and allowing peripheral tolerance. Given these premises, several approaches have been developed to induce peripheral tolerance against the antigens that are involved in the pathological immune response, including allergens, autoantigens, and alloantigens. Technological innovations, such as nucleic acid manipulation and the advent of micro- and nanoparticles, have further supported these novel preventive and therapeutic approaches. This review focuses on the main strategies used in the development of tolerogenic vaccines, including the technological issues used in their design and the role of “inverse adjuvants”. Even though most studies are still limited to the preclinical field, the enthusiasm generated by their results has prompted some initial clinical trials, and they show great promise for the future management of immune-mediated pathological conditions.
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Affiliation(s)
| | | | | | | | | | - Roberta Rolla
- Correspondence: ; Tel.: +39-0321-3733583; Fax: +39-0321-3733987
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22
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A Comparison of Two Supplementary Doses of Vitamin A on Performance, Intestine and Immune Organ Development, as well as Gene Expression of Inflammatory Factors in Young Hy-Line Brown Laying Pullets. Animals (Basel) 2022; 12:ani12101271. [PMID: 35625117 PMCID: PMC9137743 DOI: 10.3390/ani12101271] [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: 04/20/2022] [Revised: 05/06/2022] [Accepted: 05/11/2022] [Indexed: 02/05/2023] Open
Abstract
The objective of this study was to compare two supplementary doses (6000 vs. 12,000 IU/kg) of vitamin A (VA) on the performance, development of intestine and immune organs, as well as gene expression of inflammatory factors in young Hy-Line Brown laying pullets. A total of 288 one-day-old Hy-Line Brown laying pullets (weighing 42.15 ± 0.23 g) were allotted into two treatments with 12 replicate cages and 12 birds per cage. During the 35-day period, the pullets were fed a basal diet supplemented with different doses of VA (6000 IU/kg VA in control group; 12,000 IU/kg VA in treatment group), respectively. The results showed that supplementary high doses of VA reduced the feed-to-gain ratio from day 21 to 35 (p < 0.05). Moreover, the pullets fed high doses of VA diets had increased length and relative weight of duodenum, jejunum, and ileum (p < 0.05). From observations on morphology, high doses of VA diets increased the villus height and the ratio of villus height to crypt depth in the jejunum and ileum (p < 0.05). High doses of VA diets also increased the relative weight of immune organs (p < 0.05). Furthermore, the gene expressions of inflammatory factors were decreased in the thymus of the pullets fed high doses of VA diets (p < 0.05). In summary, supplementary 12,000 IU/kg doses of VA improved performance and intestine and immune organ development, and alleviated gene expressions of inflammatory factors in young Hy-Line Brown laying pullets.
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Sæterstad S, Østvik AE, Røyset ES, Bakke I, Sandvik AK, Granlund AVB. Profound gene expression changes in the epithelial monolayer of active ulcerative colitis and Crohn's disease. PLoS One 2022; 17:e0265189. [PMID: 35275975 PMCID: PMC8916644 DOI: 10.1371/journal.pone.0265189] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2021] [Accepted: 02/25/2022] [Indexed: 12/21/2022] Open
Abstract
In recent years it has become apparent that the epithelium is highly involved in inflammatory bowel disease (IBD) pathophysiology. The majority of gene expression studies of IBD are generated from heterogeneous biopsies, providing no distinction between immune cells, the epithelium and other mucosal cells. By using laser capture microdissection (LCM) coupled with RNA sequencing, we aimed to characterize the expressional changes of the isolated colonic epithelial monolayer from ulcerative colitis (UC) and Crohn’s disease (CD) patients compared to healthy controls (HC). The analysis identified 3706 genes as differentially expressed between active IBD epithelium and HC. Weighted gene co-expression network analysis was used to stratify genes into modules, which were subsequently characterized using enrichment analysis. Our data show a distinct upregulation of the antigen presentation machinery during inflammation, including major histocompatibility complex class II molecules (e.g. HLA-DPA1, HLA-DPB1, HLA-DRA) and key transcription factors/activators (STAT1, IRF1, CIITA). We also see an epithelial downregulation of retinoic acid-responsive nuclear receptors (RARA, RARB, RXRA), but upregulation of retinoid-metabolizing enzymes (RDH11, ALDH1A2, ALDH1A3), which together suggest a perturbation of epithelial vitamin A signaling during active IBD. Lastly, we identified a cluster of stress-related genes, including activator protein 1 components JUNB and ATF3, as significantly upregulated in active UC but not in CD, revealing an interesting aspect of IBD heterogeneity. The results represent a unique resource for enhanced understanding of epithelial involvement in IBD inflammation and is a valuable tool for further studies on these processes.
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Affiliation(s)
- Siri Sæterstad
- Department of Clinical and Molecular Medicine, Norwegian University of Science and Technology (NTNU), Trondheim, Norway
| | - Ann Elisabet Østvik
- Department of Clinical and Molecular Medicine, Norwegian University of Science and Technology (NTNU), Trondheim, Norway
- Department of Gastroenterology and Hepatology, Clinic of Medicine, St. Olav’s University Hospital, Trondheim, Norway
| | - Elin Synnøve Røyset
- Department of Clinical and Molecular Medicine, Norwegian University of Science and Technology (NTNU), Trondheim, Norway
- Department of Pathology, St. Olav’s University Hospital, Trondheim, Norway
| | - Ingunn Bakke
- Department of Clinical and Molecular Medicine, Norwegian University of Science and Technology (NTNU), Trondheim, Norway
- Clinic of Medicine, St Olav’s University Hospital, Trondheim, Norway
| | - Arne Kristian Sandvik
- Department of Clinical and Molecular Medicine, Norwegian University of Science and Technology (NTNU), Trondheim, Norway
- Department of Gastroenterology and Hepatology, Clinic of Medicine, St. Olav’s University Hospital, Trondheim, Norway
- Centre of Molecular Inflammation Research, Norwegian University of Science and Technology (NTNU), Trondheim, Norway
| | - Atle van Beelen Granlund
- Department of Clinical and Molecular Medicine, Norwegian University of Science and Technology (NTNU), Trondheim, Norway
- Clinic of Medicine, St Olav’s University Hospital, Trondheim, Norway
- Centre of Molecular Inflammation Research, Norwegian University of Science and Technology (NTNU), Trondheim, Norway
- * E-mail:
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Sidell N, Kane MA. Actions of Retinoic Acid in the Pathophysiology of HIV Infection. Nutrients 2022; 14:nu14081611. [PMID: 35458172 PMCID: PMC9029687 DOI: 10.3390/nu14081611] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2022] [Revised: 04/01/2022] [Accepted: 04/02/2022] [Indexed: 02/05/2023] Open
Abstract
The vitamin A metabolite all-trans retinoic acid (RA) plays a key role in tissue homeostasis and mucosal immunity. RA is produced by gut-associated dendritic cells, which are among the first cells encountered by HIV. Acute HIV infection results in rapid reduction of RA levels and dysregulation of immune cell populations whose identities and function are largely controlled by RA. Here, we discuss the potential link between the roles played by RA in shaping intestinal immune responses and the manifestations and pathogenesis of HIV-associated enteropathy and similar conditions observed in SIV-infected non-human primate models. We also present data demonstrating the ability of RA to enhance the activation of replication-competent viral reservoirs from subjects on suppressive anti-retroviral therapy. The data suggest that retinoid supplementation may be a useful adjuvant for countering the pathologic condition of the gastro-intestinal tract associated with HIV infection and as part of a strategy for reactivating viral reservoirs as a means of depleting latent viral infection.
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Affiliation(s)
- Neil Sidell
- Department of Obstetrics and Gynecology, Emory University School of Medicine, Atlanta, GA 30322, USA
- Correspondence: (N.S.); (M.A.K.)
| | - Maureen A. Kane
- Department of Pharmaceutical Sciences, University of Maryland School of Pharmacy, Baltimore, MD 21201, USA
- Correspondence: (N.S.); (M.A.K.)
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25
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Alizadeh M, Astill J, Alqazlan N, Shojadoost B, Taha-Abdelaziz K, Bavananthasivam J, Doost JS, Sedeghiisfahani N, Sharif S. In ovo co-administration of vitamins (A and D) and probiotic lactobacilli modulates immune responses in broiler chickens. Poult Sci 2022; 101:101717. [PMID: 35172231 PMCID: PMC8851267 DOI: 10.1016/j.psj.2022.101717] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2021] [Revised: 12/27/2021] [Accepted: 12/30/2021] [Indexed: 11/24/2022] Open
Abstract
There is evidence that probiotic lactobacilli, in addition to essential vitamins, such as vitamin A and D, have immunomodulatory properties that enhance immune response of neonatal chickens against infections. The present study evaluated the effects of in ovo administration of retinoic acid (RA), 25-Hydroxyvitamin D3 (VitD), and a lactobacilli cocktail on cytokine gene expression, antibody responses and spleen cell subsets in chickens. RA (90 µmol/egg) and VitD (0.6 μg/egg) were administered in ovo, either alone or in combination with lactobacilli (107 CFU/egg), at embryonic d 18. On d 5 and 10 posthatch, gene expression and cellular composition were analyzed in the bursa of Fabricius and spleen. Birds were immunized on d 14 and 21 posthatch with 2 T-dependent antigens, sheep red blood cells (SRBC) and keyhole limpet hemocyanin (KLH), to assess their antibody responses. Sera were collected from the immunized chickens on d 14, 21, 28, and 35 posthatch. The results demonstrated that lactobacilli treatment increased the number of monocyte/macrophages (KUL01+) and CD3+CD4+ T cells in the spleen, and enhanced serum anti-KLH IgM and IgY on d 14 postprimary immunization (P < 0.05). RA significantly increased serum IgY and IgM titers to KLH and enhanced the expression of interferon (IFN)-α, interleukin (IL)-1β, IL-6, IL-8, IL-12, IL-13, and transforming growth factor-β (TGF-β) in the bursa of Fabricius (P < 0.05). The percentage of CD3+CD8+ T cells, and monocyte/macrophages (KUL01+) was elevated in the spleen as well (P < 0.05). These findings reveal that prehatch administration of RA improves immunocompetency of neonatal chickens by increasing the production of cytokines that regulate innate immunity and through enhancing antibody-mediated response against T-dependent antigens.
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Affiliation(s)
- Mohammadali Alizadeh
- Department of Pathobiology, Ontario Veterinary College, University of Guelph, Guelph, Ontario N1G 2W1, Canada
| | - Jake Astill
- Department of Pathobiology, Ontario Veterinary College, University of Guelph, Guelph, Ontario N1G 2W1, Canada; Artemis Technologies Inc., Guelph, Ontario, Canada
| | - Nadiyah Alqazlan
- Department of Pathobiology, Ontario Veterinary College, University of Guelph, Guelph, Ontario N1G 2W1, Canada
| | - Bahram Shojadoost
- Department of Pathobiology, Ontario Veterinary College, University of Guelph, Guelph, Ontario N1G 2W1, Canada
| | - Khaled Taha-Abdelaziz
- Animal and Veterinary Sciences Department, Clemson University, Clemson, SC, 29634, USA
| | | | - Janan Shoja Doost
- Department of Pathobiology, Ontario Veterinary College, University of Guelph, Guelph, Ontario N1G 2W1, Canada; Department of Biomedical Sciences, Ontario Veterinary College, University of Guelph, Guelph, Ontario N1G 2W1, Canada
| | - Negin Sedeghiisfahani
- Department of Pathobiology, Ontario Veterinary College, University of Guelph, Guelph, Ontario N1G 2W1, Canada
| | - Shayan Sharif
- Department of Pathobiology, Ontario Veterinary College, University of Guelph, Guelph, Ontario N1G 2W1, Canada.
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26
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Enhancement of Antiviral T-Cell Responses by Vitamin C Suggests New Strategies to Improve Manufacturing of Virus-Specific T Cells for Adoptive Immunotherapy. BIOLOGY 2022; 11:biology11040536. [PMID: 35453735 PMCID: PMC9032103 DOI: 10.3390/biology11040536] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/02/2022] [Revised: 03/14/2022] [Accepted: 03/28/2022] [Indexed: 11/17/2022]
Abstract
Allogeneic and autologous transplantation of hematopoietic stem cells (HSCT) are being routinely used to treat patients with leukemia and lymphoma. Due to the required immunosuppression after stem cell transplantation, infection and reactivation by viruses are life-threatening complications. In recent years, adoptive transfer using virus-specific T cells (VSTs) has emerged as alternative to conventional therapies. Since vitamins are described to influence the immune system and its cellular components, the aim of this study was to examine whether vitamins modulate VST function and thereby enable an improvement of therapy. For that, we investigated the impact of vitamin C and D on the functionality of cytomegalovirus (CMV)-specific T cells isolated from CMV-seropositive healthy donors. We were able to show that vitamin C increases the expansion and activation state of CMV-specific T cells, and an increased influence of vitamin C was observed on cells isolated from male donors and donors above 40 years of age. A higher frequency of the terminally differentiated effector memory CD8+ T-cell population in these donors indicates a connection between these cells and the enhanced response to vitamin C. Thus, here we provide insights into the impact of vitamin C on cytotoxic T cells as well as possible additional selection criteria and strategies to improve VST functionality.
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27
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Prakash S, Saini S, Kumari S, Singh B, Kureel AK, Rai AK. Retinoic acid restores the levels of cellular cholesterol in Leishmania donovani infected macrophages by increasing npc1 and npc2 expressions. Biochimie 2022; 198:23-32. [PMID: 35272007 DOI: 10.1016/j.biochi.2022.03.002] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2021] [Revised: 03/03/2022] [Accepted: 03/04/2022] [Indexed: 12/20/2022]
Abstract
Visceral leishmaniasis (VL) is a fatal form among all forms of leishmaniasis and is caused by visceralization of the Leishmania donovani (Ld) parasite to the critical organs. Mild to severe malnutrition is common in VL patients and the deficiency of retinoic acid (RA), an important micronutrient, results in a compromised state of immune response in macrophages (mφ) leading to the increased parasite load. In the continuation of our earlier work, we observed loss of cellular cholesterol in infected mφ in the absence of RA i.e., upon inhibition of RALDH pathway. Moreover, the Leishmania utilizes host cholesterol for the establishment of infection and causes a decrease in the expressions of Niemann-Pick C2 (npc2) and Niemann-Pick C1 (npc1) genes involved in the uptake of extracellular cholesterol. This results in reduced levels of cellular cholesterol in infected mφ. Intrigued by this, as the first sign of our hypothesis, we investigated the presence of RA Response Element (RARE) sequences in the upstream of npc1 and npc2 genes. To functionally confirm this, we measured their expressions and the levels of cellular cholesterol in Ld infected mφ in the absence (i.e., using an inhibitor of RALDH pathway) and presence of RA. We found restoration of the levels of cellular cholesterol in infected mφ under the supplementation of RA resulting in the decreased parasite load. Hence, the supplementation of RA with the standard therapy and/or preventive use of RA could be potentially an advancement in the treatment and cure of VL patients.
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Affiliation(s)
- Satya Prakash
- Department of Biotechnology, Motilal Nehru National Institute of Technology Allahabad, Prayagraj, 211004, UP, India
| | - Sheetal Saini
- Department of Biotechnology, Motilal Nehru National Institute of Technology Allahabad, Prayagraj, 211004, UP, India
| | - Smita Kumari
- Department of Biotechnology, Motilal Nehru National Institute of Technology Allahabad, Prayagraj, 211004, UP, India
| | - Bharat Singh
- Department of Biotechnology, Motilal Nehru National Institute of Technology Allahabad, Prayagraj, 211004, UP, India
| | - Amit Kumar Kureel
- Department of Biotechnology, Motilal Nehru National Institute of Technology Allahabad, Prayagraj, 211004, UP, India
| | - Ambak Kumar Rai
- Department of Biotechnology, Motilal Nehru National Institute of Technology Allahabad, Prayagraj, 211004, UP, India.
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28
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Manhas KR, Marshall PA, Wagner CE, Jurutka PW, Mancenido MV, Debray HZ, Blattman JN. Rexinoids Modulate Effector T Cell Expression of Mucosal Homing Markers CCR9 and α4β7 Integrin and Direct Their Migration In Vitro. Front Immunol 2022; 13:746484. [PMID: 35154092 PMCID: PMC8829570 DOI: 10.3389/fimmu.2022.746484] [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: 07/23/2021] [Accepted: 01/03/2022] [Indexed: 11/19/2022] Open
Abstract
Altering T cell trafficking to mucosal regions can enhance immune responses towards pathogenic infections and cancers at these sites, leading to better outcomes. All-trans-retinoic acid (ATRA) promotes T cell migration to mucosal surfaces by inducing transcription of the mucosal-homing receptors CCR9 and α4β7 via binding to retinoic acid receptors (RARs), which heterodimerize with retinoid X receptors (RXRs) to function. However, the unstable nature and toxicity of ATRA limit its use as a widespread treatment modality for mucosal diseases. Therefore, identifying alternatives that could reduce or eliminate the use of ATRA are needed. Rexinoids are synthetically derived compounds structurally similar to ATRA. Originally named for their ability to bind RXRs, rexinoids can enhance RAR-mediated gene transcription. Furthermore, rexinoids are more stable than ATRA and possess an improved safety profile, making them attractive candidates for use in clinical settings. Here we show that select novel rexinoids act as ATRA mimics, as they cause increased CCR9 and α4β7 expression and enhanced migration to the CCR9 ligand, CCL25 in vitro, even in the absence of ATRA. Conversely, other rexinoids act synergistically with ATRA, as culturing cells with suboptimal doses of both compounds resulted in CCR9 expression and migration to CCL25. Overall, our findings show that rexinoids can be used independently or synergistically with ATRA to promote mucosal homing of T cells in vitro, and lends support for the prospective clinical use of these compounds in immunotherapeutic approaches for pathogenic infections or cancers at mucosal surfaces.
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Affiliation(s)
- Kavita R Manhas
- Biodesign Center for Immunotherapy, Vaccines, and Virotherapy, Arizona State University, Tempe, AZ, United States
| | - Pamela A Marshall
- School of Mathematical and Natural Sciences, Arizona State University West Campus, Glendale, AZ, United States
| | - Carl E Wagner
- School of Mathematical and Natural Sciences, Arizona State University West Campus, Glendale, AZ, United States
| | - Peter W Jurutka
- School of Mathematical and Natural Sciences, Arizona State University West Campus, Glendale, AZ, United States
| | - Michelle V Mancenido
- School of Mathematical and Natural Sciences, Arizona State University West Campus, Glendale, AZ, United States
| | - Hannah Z Debray
- Biodesign Center for Immunotherapy, Vaccines, and Virotherapy, Arizona State University, Tempe, AZ, United States
| | - Joseph N Blattman
- Biodesign Center for Immunotherapy, Vaccines, and Virotherapy, Arizona State University, Tempe, AZ, United States
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29
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IL-36 cytokines imprint a colitogenic phenotype on CD4 + T helper cells. Mucosal Immunol 2022; 15:491-503. [PMID: 35177818 PMCID: PMC9038530 DOI: 10.1038/s41385-022-00488-w] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2021] [Revised: 12/20/2021] [Accepted: 01/15/2022] [Indexed: 02/04/2023]
Abstract
IL-36 cytokines are emerging as potent orchestrators of intestinal inflammation and are being implicated in the pathogenesis of inflammatory bowel diseases (IBD). However, the mechanisms through which these cytokines mediate these effects remain to be fully uncovered. Here, we report specifically elevated expression of IL-36α, and not IL-36β or IL-36γ in the serum of newly diagnosed, treatment naïve, paediatric IBD patients and identify T cells as primary cellular mediators of IL-36 responses in the inflamed gut. IL-36R expression on CD4+ T cells was found to promote intestinal pathology in a murine model of colitis. Consistent with these effects, IL-36R can act as a potent instructor of CD4+ T cell differentiation in vivo, enhancing Th1 responses, while inhibiting the generation of Tregs. In addition, loss of IL-36 responsiveness significantly reduced the migration of pathogenic CD4+ T cells towards intestinal tissues and IL-36 was found to act, uniquely among IL-1 family members, to induce the expression of gut homing receptors in proinflammatory murine and human CD4+ T cells. These data reveal an important role for IL-36 cytokines in driving the colitogenic potential of CD4+ T cells and identify a new mechanism through which they may contribute to disease pathogenesis.
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30
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Brown H, Esterházy D. Intestinal immune compartmentalization: implications of tissue specific determinants in health and disease. Mucosal Immunol 2021; 14:1259-1270. [PMID: 34211125 DOI: 10.1038/s41385-021-00420-8] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2020] [Revised: 05/05/2021] [Accepted: 05/24/2021] [Indexed: 02/04/2023]
Abstract
The emerging concept of tissue specific immunity has opened the gates to new inquiries into what factors drive immune cell niche adaptation and the implications on immune homeostasis, organ specific immune diseases, and therapeutic efficacy. These issues are particularly complicated at barrier sites, which are directly exposed to an ever-changing environment. In particular, the gastrointestinal (GI) tract faces even further challenges given the profound functional and structural differences along its length, raising the possibility that it may even have to be treated as multiple organs when seeking to answer these questions. In this review, we evaluate what is known about the tissue intrinsic and extrinsic factors shaping immune compartments in the intestine. We then discuss the physiological and pathological consequences of a regionally distinct immune system in a single organ, but also discuss where our insight into the role of the compartment for disease development is still very limited. Finally, we discuss the technological and therapeutic implications this compartmentalization has. While the gut is perhaps one of the most intensely studied systems, many of these aspects apply to understanding tissue specific immunity of other organs, most notably other barrier sites such as skin, lung, and the urogenital tract.
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Affiliation(s)
- Hailey Brown
- Committee on Immunology, University of Chicago, Chicago, IL, USA
| | - Daria Esterházy
- Committee on Immunology, University of Chicago, Chicago, IL, USA. .,Department of Pathology, University of Chicago, Chicago, IL, USA.
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31
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Sarohan AR, Kızıl M, İnkaya AÇ, Mahmud S, Akram M, Cen O. A novel hypothesis for COVID-19 pathogenesis: Retinol depletion and retinoid signaling disorder. Cell Signal 2021; 87:110121. [PMID: 34438017 PMCID: PMC8380544 DOI: 10.1016/j.cellsig.2021.110121] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2021] [Revised: 08/18/2021] [Accepted: 08/19/2021] [Indexed: 02/08/2023]
Abstract
The SARS-CoV-2 virus has caused a worldwide COVID-19 pandemic. In less than a year and a half, more than 200 million people have been infected and more than four million have died. Despite some improvement in the treatment strategies, no definitive treatment protocol has been developed. The pathogenesis of the disease has not been clearly elucidated yet. A clear understanding of its pathogenesis will help develop effective vaccines and drugs. The immunopathogenesis of COVID-19 is characteristic with acute respiratory distress syndrome and multiorgan involvement with impaired Type I interferon response and hyperinflammation. The destructive systemic effects of COVID-19 cannot be explained simply by the viral tropism through the ACE2 and TMPRSS2 receptors. In addition, the recently identified mutations cannot fully explain the defect in all cases of Type I interferon synthesis. We hypothesize that retinol depletion and resulting impaired retinoid signaling play a central role in the COVID-19 pathogenesis that is characteristic for dysregulated immune system, defect in Type I interferon synthesis, severe inflammatory process, and destructive systemic multiorgan involvement. Viral RNA recognition mechanism through RIG-I receptors can quickly consume a large amount of the body's retinoid reserve, which causes the retinol levels to fall below the normal serum levels. This causes retinoid insufficiency and impaired retinoid signaling, which leads to interruption in Type I interferon synthesis and an excessive inflammation. Therefore, reconstitution of the retinoid signaling may prove to be a valid strategy for management of COVID-19 as well for some other chronic, degenerative, inflammatory, and autoimmune diseases.
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Affiliation(s)
- Aziz Rodan Sarohan
- Department of Obstetrics and Gynecology, Medicina Plus Medical Center, 75. Yıl Mah., İstiklal Cad. 1305 Sk., No: 16 Sultangazi, İstanbul, Turkey.
| | - Murat Kızıl
- Department of Chemistry, Faculty of Science, Dicle University. Diyarbakır, Turkey
| | - Ahmet Çağkan İnkaya
- Department of Infectious Diseases and Clinical Microbiology, Faculty of Medicine, Hacettepe University, Ankara 06230, Turkey
| | - Shokhan Mahmud
- Department of Pharmacognosy, College of Pharmacy, Hawler Medical University, Erbil, Kurdistan Region, Iraq
| | - Muhammad Akram
- Department of Eastern Medicine Government College, University Faisalabad, Pakistan
| | - Osman Cen
- Department of Microbiology and Immunology, Feinberg School of Medicine, Northwestern University, Chicago, IL, United States of America; Department of Natural Sciences and Engineering, John Wood College, Quincy, IL, United States of America
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Monteiro MJDSD, da Silva MNP, Paiva ADA, Marreiro DDN, Luzia LA, Henriques GS, Rondó PHDC, Sene IDS, de Almeida ATA, Costa CHN, Costa DL. Nutritional status and vitamin A and zinc levels in patients with kala-azar in Piauí, Brazil. Rev Soc Bras Med Trop 2021; 54:e08002020. [PMID: 34495261 PMCID: PMC8437443 DOI: 10.1590/0037-8682-0800-2020] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2020] [Accepted: 07/26/2021] [Indexed: 11/21/2022] Open
Abstract
INTRODUCTION Malnutrition and kala-azar (or visceral leishmaniasis) are significant public health problems in different parts of the world. Immunity and susceptibility to infectious and parasitic diseases are directly linked to the host's nutritional state, but little is known about the interaction between nutrition and kala-azar. This study aimed to evaluate nutritional status with kala-azar and correlate these findings with the clinical and laboratory manifestations of the disease, and zinc and retinol levels. METHODS This was a cross-sectional study of 139 patients with kala-azar. Nutritional status classification was performed according to international recommendations. Parametric or nonparametric tests were applied whenever indicated in a two-sided test with a 5% significance level. RESULTS Weight loss and malnutrition were more frequent in adults. Body mass index-for-age, fat area of the arm, and upper arm muscle area were significantly associated with probability of death. The presence of human immunodeficiency virus, hepatomegaly, and splenomegaly was correlated with nutritional assessment. Blood leukocyte and lymphocyte, serum creatine, and vitamin A levels were significantly higher in adult men. Vitamin A levels were highly associated with the level of hemoglobin and C-reactive protein (CRP) in multivariate analysis. All patients had reduced plasma zinc levels, but this finding had no association with the outcome variables. CONCLUSIONS Malnutrition was correlated with severe disease and was more prevalent in older people with kala-azar. Vitamin A deficiency was associated with hemoglobin and CRP. Zinc levels were reduced in patients with kala-azar.
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Affiliation(s)
| | - Maria Nauside Pessoa da Silva
- Universidade Federal do Piauí, Programa de Pós-Graduação em Biotecnologia, Rede Nordeste de Biotecnologia, Teresina, PI, Brasil
| | | | | | - Liania Alves Luzia
- Universidade de São Paulo, Laboratório de Micronutrientes, São Paulo, SP, Brasil
| | - Gilberto Simeone Henriques
- Universidade Federal de Minas Gerais, Escola de Enfermagem, Laboratório Experimental de Nutrição, Belo Horizonte, MG, Brasil
| | | | - Ingridi de Souza Sene
- Universidade Federal do Piauí, Laboratório de Pesquisas em Leishmanioses, Teresina, PI, Brasil
- Laboratório de Anatomia Patológica e Biologia Molecular, Teresina, PI, Brasil
| | | | - Carlos Henrique Nery Costa
- Universidade Federal do Piauí, Laboratório de Pesquisas em Leishmanioses, Teresina, PI, Brasil
- Centro de Inteligência para Agravos Tropicais Emergentes e Negligenciados, Teresina, PI, Brasil
- Universidade Federal do Piauí, Departamento de Medicina Comunitária, Teresina, PI, Brasil
| | - Dorcas Lamounier Costa
- Universidade Federal do Piauí, Laboratório de Pesquisas em Leishmanioses, Teresina, PI, Brasil
- Centro de Inteligência para Agravos Tropicais Emergentes e Negligenciados, Teresina, PI, Brasil
- Universidade Federal do Piauí, Departamento Materno-Infantil, Teresina, PI, Brasil
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Bos AV, Erkelens MN, Koenders STA, van der Stelt M, van Egmond M, Mebius RE. Clickable Vitamins as a New Tool to Track Vitamin A and Retinoic Acid in Immune Cells. Front Immunol 2021; 12:671283. [PMID: 34305901 PMCID: PMC8298001 DOI: 10.3389/fimmu.2021.671283] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2021] [Accepted: 06/02/2021] [Indexed: 01/24/2023] Open
Abstract
The vitamin A derivative, retinoid acid (RA) is key player in guiding adaptive mucosal immune responses. However, data on the uptake and metabolism of vitamin A within human immune cells has remained largely elusive because retinoids are small, lipophilic molecules which are difficult to detect. To overcome this problem and to be able to study the effect of vitamin A metabolism in human immune cell subsets, we have synthesized novel bio-orthogonal retinoid-based probes (clickable probes), which are structurally and functionally indistinguishable from vitamin A. The probes contain a functional group (an alkyne) to conjugate to a fluorogenic dye to monitor retinoid molecules in real-time in immune cells. We demonstrate, by using flow cytometry and microscopy, that multiple immune cells have the capacity to internalize retinoids to varying degrees, including human monocyte-derived dendritic cells (DCs) and naïve B lymphocytes. We observed that naïve B cells lack the enzymatic machinery to produce RA, but use exogenous retinoic acid to enhance CD38 expression. Furthermore, we showed that human DCs metabolize retinal into retinoic acid, which in co-culture with naïve B cells led to of the induction of CD38 expression. These data demonstrate that in humans, DCs can serve as an exogenous source of RA for naïve B cells. Taken together, through the use of clickable vitamins our data provide valuable insight in the mechanism of vitamin A metabolism and its importance for human adaptive immunity.
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Affiliation(s)
- Amelie V Bos
- Department of Molecular Cell Biology and Immunology, Amsterdam University Medical Center, location VUmc, Amsterdam, Netherlands
| | - Martje N Erkelens
- Department of Molecular Cell Biology and Immunology, Amsterdam University Medical Center, location VUmc, Amsterdam, Netherlands
| | - Sebastiaan T A Koenders
- Department of Molecular Physiology, Leiden Institute of Chemistry, Leiden University, Leiden, Netherlands
| | - Mario van der Stelt
- Department of Molecular Physiology, Leiden Institute of Chemistry, Leiden University, Leiden, Netherlands
| | - Marjolein van Egmond
- Department of Molecular Cell Biology and Immunology, Amsterdam University Medical Center, location VUmc, Amsterdam, Netherlands.,Department of Surgery, Amsterdam University Medical Center, location VUmc, Amsterdam, Netherlands
| | - Reina E Mebius
- Department of Molecular Cell Biology and Immunology, Amsterdam University Medical Center, location VUmc, Amsterdam, Netherlands
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Wu XM, Yang X, Fan XC, Chen X, Wang YX, Zhang LX, Song JK, Zhao GH. Serum metabolomics in chickens infected with Cryptosporidium baileyi. Parasit Vectors 2021; 14:336. [PMID: 34174965 PMCID: PMC8235856 DOI: 10.1186/s13071-021-04834-y] [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: 03/09/2021] [Accepted: 06/09/2021] [Indexed: 11/13/2022] Open
Abstract
Background Cryptosporidium baileyi is an economically important zoonotic pathogen that causes serious respiratory symptoms in chickens for which no effective control measures are currently available. An accumulating body of evidence indicates the potential and usefulness of metabolomics to further our understanding of the interaction between pathogens and hosts, and to search for new diagnostic or pharmacological biomarkers of complex microorganisms. The aim of this study was to identify the impact of C. baileyi infection on the serum metabolism of chickens and to assess several metabolites as potential diagnostic biomarkers for C. baileyi infection. Methods Ultraperformance liquid chromatography-mass spectrometry (UPLC-MS) and subsequent multivariate statistical analysis were applied to investigate metabolomics profiles in the serum samples of chickens infected with C. baileyi, and to identify potential metabolites that can be used to distinguish chickens infected with C. baileyi from non-infected birds. Results Multivariate statistical analysis identified 138 differential serum metabolites between mock- and C. baileyi-infected chickens at 5 days post-infection (dpi), including 115 upregulated and 23 downregulated compounds. These metabolites were significantly enriched into six pathways, of which two pathways associated with energy and lipid metabolism, namely glycerophospholipid metabolism and sphingolipid metabolism, respectively, were the most enriched. Interestingly, some important immune-related pathways were also significantly enriched, including the intestinal immune network for IgA production, autophagy and cellular senescence. Nine potential C. baileyi-responsive metabolites were identified, including choline, sirolimus, all-trans retinoic acid, PC(14:0/22:1(13Z)), PC(15:0/22:6(4Z,7Z,10Z,13Z,16Z,19Z)), PE(16:1(9Z)/24:1(15Z)), phosphocholine, SM(d18:0/16:1(9Z)(OH)) and sphinganine. Conclusions This is the first report on serum metabolic profiling of chickens with early-stage C. baileyi infection. The results provide novel insights into the pathophysiological mechanisms of C. baileyi in chickens. Graphic abstract ![]()
Supplementary Information The online version contains supplementary material available at 10.1186/s13071-021-04834-y.
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Affiliation(s)
- Xue-Mei Wu
- Department of Parasitology, College of Veterinary Medicine, Northwest A&F University, Yangling, 712100, People's Republic of China
| | - Xin Yang
- Department of Parasitology, College of Veterinary Medicine, Northwest A&F University, Yangling, 712100, People's Republic of China
| | - Xian-Cheng Fan
- Center of Animal Disease Prevention and Control of Huyi District, Xi'an, 710300, People's Republic of China
| | - Xi Chen
- Department of Parasitology, College of Veterinary Medicine, Northwest A&F University, Yangling, 712100, People's Republic of China
| | - Yu-Xin Wang
- Department of Parasitology, College of Veterinary Medicine, Northwest A&F University, Yangling, 712100, People's Republic of China
| | - Long-Xian Zhang
- College of Veterinary Medicine, Henan Agricultural University, Zhengzhou, 450046, People's Republic of China
| | - Jun-Ke Song
- Department of Parasitology, College of Veterinary Medicine, Northwest A&F University, Yangling, 712100, People's Republic of China
| | - Guang-Hui Zhao
- Department of Parasitology, College of Veterinary Medicine, Northwest A&F University, Yangling, 712100, People's Republic of China.
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Kartasheva-Ebertz DM, Pol S, Lagaye S. Retinoic Acid: A New Old Friend of IL-17A in the Immune Pathogeny of Liver Fibrosis. Front Immunol 2021; 12:691073. [PMID: 34211477 PMCID: PMC8239722 DOI: 10.3389/fimmu.2021.691073] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2021] [Accepted: 05/28/2021] [Indexed: 12/12/2022] Open
Abstract
Despite all the medical advances mortality due to cirrhosis and hepatocellular carcinoma, the end stages of fibrosis, continuously increases. Recent data suggest that liver fibrosis is guided by type 3 inflammation with IL-17A at the top of the line. The storage of vitamin A and its active metabolites, as well as genetics, can influence the development and progression of liver fibrosis and inflammation. Retinoic acid (active metabolite of vitamin A) is able to regulate the differentiation of IL-17A+/IL-22–producing cells as well as the expression of profibrotic markers. IL-17A and its pro-fibrotic role in the liver is the most studied, while the interaction and communication between IL-17A, IL-22, and vitamin A–active metabolites has not been investigated. We aim to update what is known about IL-17A, IL-22, and retinoic acid in the pathobiology of liver diseases.
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Affiliation(s)
| | - Stanislas Pol
- Institut Pasteur, INSERM U1223, Paris, France.,Université de Paris, Paris, France.,APHP, Groupe Hospitalier Cochin, Département d'Hépatologie, Paris, France
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Carazo A, Macáková K, Matoušová K, Krčmová LK, Protti M, Mladěnka P. Vitamin A Update: Forms, Sources, Kinetics, Detection, Function, Deficiency, Therapeutic Use and Toxicity. Nutrients 2021; 13:1703. [PMID: 34069881 PMCID: PMC8157347 DOI: 10.3390/nu13051703] [Citation(s) in RCA: 88] [Impact Index Per Article: 29.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2021] [Revised: 05/07/2021] [Accepted: 05/13/2021] [Indexed: 12/12/2022] Open
Abstract
Vitamin A is a group of vital micronutrients widely present in the human diet. Animal-based products are a rich source of the retinyl ester form of the vitamin, while vegetables and fruits contain carotenoids, most of which are provitamin A. Vitamin A plays a key role in the correct functioning of multiple physiological functions. The human organism can metabolize natural forms of vitamin A and provitamin A into biologically active forms (retinol, retinal, retinoic acid), which interact with multiple molecular targets, including nuclear receptors, opsin in the retina and, according to the latest research, also some enzymes. In this review, we aim to provide a complex view on the present knowledge about vitamin A ranging from its sources through its physiological functions to consequences of its deficiency and metabolic fate up to possible pharmacological administration and potential toxicity. Current analytical methods used for its detection in real samples are included as well.
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Affiliation(s)
- Alejandro Carazo
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Charles University, Akademika Heyrovského 1203, 500 05 Hradec Králové, Czech Republic;
| | - Kateřina Macáková
- Department of Pharmacognosy, Faculty of Pharmacy, Charles University, Akademika Heyrovského 1203, 500 05 Hradec Králové, Czech Republic;
| | - Kateřina Matoušová
- Department of Clinical Biochemistry and Diagnostics, University Hospital Hradec Králové, Sokolská 581, 500 05 Hradec Králové, Czech Republic; (K.M.); (L.K.K.)
| | - Lenka Kujovská Krčmová
- Department of Clinical Biochemistry and Diagnostics, University Hospital Hradec Králové, Sokolská 581, 500 05 Hradec Králové, Czech Republic; (K.M.); (L.K.K.)
- Department of Analytical Chemistry, Faculty of Pharmacy, Charles University, Akademika Heyrovského 1203, 500 05 Hradec Králové, Czech Republic
| | - Michele Protti
- The Department of Pharmacy and Biotechnology (FaBiT), Alma Mater Studiorum–University of Bologna, Via Belmeloro 6, 40126 Bologna, Italy;
| | - Přemysl Mladěnka
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Charles University, Akademika Heyrovského 1203, 500 05 Hradec Králové, Czech Republic;
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37
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Gupta A, Pradhan A, Maurya VK, Kumar S, Theengh A, Puri B, Saxena SK. Therapeutic approaches for SARS-CoV-2 infection. Methods 2021; 195:29-43. [PMID: 33962011 PMCID: PMC8096528 DOI: 10.1016/j.ymeth.2021.04.026] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2021] [Accepted: 04/30/2021] [Indexed: 01/18/2023] Open
Abstract
Therapeutic approaches to COVID-19 treatment require appropriate inhibitors to target crucial proteins of SARS-CoV-2 replication machinery. It’s been approximately 12 months since the pandemic started, yet no known specific drugs are available. However, research progresses with time in terms of high throughput virtual screening (HTVS) and rational design of repurposed, novel synthetic and natural products discovery by understanding the viral life cycle, immuno-pathological and clinical outcomes in patients based on host’s nutritional, metabolic, and lifestyle status. Further, complementary and alternative medicine (CAM) approaches have also improved resiliency and immune responses. In this article, we summarize all the therapeutic antiviral strategies for COVID-19 drug discovery including computer aided virtual screening, repurposed drugs, immunomodulators, vaccines, plasma therapy, various adjunct therapies, and phage technology to unravel insightful mechanistic pathways of targeting SARS-CoV-2 and host’s intrinsic, innate immunity at multiple checkpoints that aid in the containment of the disease.
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Affiliation(s)
- Ankur Gupta
- Government Pharmacy College, Sajong, Rumtek, Gangtok 737135, India
| | - Anish Pradhan
- Government Pharmacy College, Sajong, Rumtek, Gangtok 737135, India
| | - Vimal K Maurya
- Centre for Advanced Research (CFAR), Faculty of Medicine, King George's Medical University (KGMU), Lucknow 226003, India
| | - Swatantra Kumar
- Centre for Advanced Research (CFAR), Faculty of Medicine, King George's Medical University (KGMU), Lucknow 226003, India
| | - Angila Theengh
- Government Pharmacy College, Sajong, Rumtek, Gangtok 737135, India
| | - Bipin Puri
- Centre for Advanced Research (CFAR), Faculty of Medicine, King George's Medical University (KGMU), Lucknow 226003, India
| | - Shailendra K Saxena
- Centre for Advanced Research (CFAR), Faculty of Medicine, King George's Medical University (KGMU), Lucknow 226003, India.
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38
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Bruserud Ø, Tsykunova G, Hernandez-Valladares M, Reikvam H, Tvedt THA. Therapeutic Use of Valproic Acid and All-Trans Retinoic Acid in Acute Myeloid Leukemia-Literature Review and Discussion of Possible Use in Relapse after Allogeneic Stem Cell Transplantation. Pharmaceuticals (Basel) 2021; 14:ph14050423. [PMID: 34063204 PMCID: PMC8147490 DOI: 10.3390/ph14050423] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2021] [Revised: 04/23/2021] [Accepted: 04/26/2021] [Indexed: 12/17/2022] Open
Abstract
Even though allogeneic stem cell transplantation is the most intensive treatment for acute myeloid leukemia (AML), chemo-resistant leukemia relapse is still one of the most common causes of death for these patients, as is transplant-related mortality, i.e., graft versus host disease, infections, and organ damage. These relapse patients are not always candidates for additional intensive therapy or re-transplantation, and many of them have decreased quality of life and shortened expected survival. The efficiency of azacitidine for treatment of posttransplant AML relapse has been documented in several clinical trials. Valproic acid is an antiepileptic fatty acid that exerts antileukemic activity through histone deacetylase inhibition. The combination of valproic acid and all-trans retinoic acid (ATRA) is well tolerated even by unfit or elderly AML patients, and low-toxicity chemotherapy (e.g., azacitidine) can be added to this combination. The triple combination of azacitidine, valproic acid, and ATRA may therefore represent a low-intensity and low-toxicity alternative for these patients. In the present review, we review and discuss the general experience with valproic acid/ATRA in AML therapy and we discuss its possible use in low-intensity/toxicity treatment of post-allotransplant AML relapse. Our discussion is further illustrated by four case reports where combined treatments with sequential azacitidine/hydroxyurea, valproic acid, and ATRA were used.
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Affiliation(s)
- Øystein Bruserud
- Department of Clinical Science, University of Bergen, N-5021 Bergen, Norway;
- Department of Medicine, Haukeland University Hospital, N-5021 Bergen, Norway; (G.T.); (T.H.A.T.)
- Correspondence:
| | - Galina Tsykunova
- Department of Medicine, Haukeland University Hospital, N-5021 Bergen, Norway; (G.T.); (T.H.A.T.)
| | - Maria Hernandez-Valladares
- The Proteomics Facility of the University of Bergen (PROBE), University of Bergen, N-5021 Bergen, Norway;
| | - Hakon Reikvam
- Department of Clinical Science, University of Bergen, N-5021 Bergen, Norway;
- Department of Medicine, Haukeland University Hospital, N-5021 Bergen, Norway; (G.T.); (T.H.A.T.)
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Kumar V. Innate Lymphoid Cells and Adaptive Immune Cells Cross-Talk: A Secret Talk Revealed in Immune Homeostasis and Different Inflammatory Conditions. Int Rev Immunol 2021; 40:217-251. [PMID: 33733998 DOI: 10.1080/08830185.2021.1895145] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
The inflammatory immune response has evolved to protect the host from different pathogens, allergens, and endogenous death or damage-associated molecular patterns. Both innate and adaptive immune components are crucial in inducing an inflammatory immune response depending on the stimulus type and its duration of exposure or the activation of the primary innate immune response. As the source of inflammation is removed, the aggravated immune response comes to its homeostatic level. However, the failure of the inflammatory immune response to subside to its normal level generates chronic inflammatory conditions, including autoimmune diseases and cancer. Innate lymphoid cells (ILCs) are newly discovered innate immune cells, which are present in abundance at mucosal surfaces, including lungs, gastrointestinal tract, and reproductive tract. Also, they are present in peripheral blood circulation, skin, and lymph nodes. They play a crucial role in generating the pro-inflammatory immune response during diverse conditions. On the other hand, adaptive immune cells, including different types of T and B cells are major players in the pathogenesis of autoimmune diseases (type 1 diabetes mellitus, rheumatoid arthritis, psoriasis, and systemic lupus erythematosus, etc.) and cancers. Thus the article is designed to discuss the immunological role of different ILCs and their interaction with adaptive immune cells in maintaining the immune homeostasis, and during inflammatory autoimmune diseases along with other inflammatory conditions (excluding pathogen-induced inflammation), including cancer, graft-versus-host diseases, and human pregnancy.
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Affiliation(s)
- Vijay Kumar
- Children's Health Queensland Clinical Unit, School of Clinical Medicine, Faculty of Medicine, Mater Research, University of Queensland, St Lucia, Brisbane, Queensland, Australia.,School of Biomedical Sciences, Faculty of Medicine, University of Queensland, St Lucia, Brisbane, Queensland, Australia
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40
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Tan J, Ni D, Ribeiro RV, Pinget GV, Macia L. How Changes in the Nutritional Landscape Shape Gut Immunometabolism. Nutrients 2021; 13:823. [PMID: 33801480 PMCID: PMC7999246 DOI: 10.3390/nu13030823] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2021] [Revised: 02/25/2021] [Accepted: 02/26/2021] [Indexed: 12/13/2022] Open
Abstract
Cell survival, proliferation and function are energy-demanding processes, fuelled by different metabolic pathways. Immune cells like any other cells will adapt their energy production to their function with specific metabolic pathways characteristic of resting, inflammatory or anti-inflammatory cells. This concept of immunometabolism is revolutionising the field of immunology, opening the gates for novel therapeutic approaches aimed at altering immune responses through immune metabolic manipulations. The first part of this review will give an extensive overview on the metabolic pathways used by immune cells. Diet is a major source of energy, providing substrates to fuel these different metabolic pathways. Protein, lipid and carbohydrate composition as well as food additives can thus shape the immune response particularly in the gut, the first immune point of contact with food antigens and gastrointestinal tract pathogens. How diet composition might affect gut immunometabolism and its impact on diseases will also be discussed. Finally, the food ingested by the host is also a source of energy for the micro-organisms inhabiting the gut lumen particularly in the colon. The by-products released through the processing of specific nutrients by gut bacteria also influence immune cell activity and differentiation. How bacterial metabolites influence gut immunometabolism will be covered in the third part of this review. This notion of immunometabolism and immune function is recent and a deeper understanding of how lifestyle might influence gut immunometabolism is key to prevent or treat diseases.
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Affiliation(s)
- Jian Tan
- The Charles Perkins Centre, The University of Sydney, Sydney, NSW 2006, Australia; (J.T.); (D.N.); (R.V.R.); (G.V.P.)
- School of Medical Sciences, Faculty of Medicine and Health, The University of Sydney, Sydney, NSW 2006, Australia
| | - Duan Ni
- The Charles Perkins Centre, The University of Sydney, Sydney, NSW 2006, Australia; (J.T.); (D.N.); (R.V.R.); (G.V.P.)
- School of Medical Sciences, Faculty of Medicine and Health, The University of Sydney, Sydney, NSW 2006, Australia
| | - Rosilene V. Ribeiro
- The Charles Perkins Centre, The University of Sydney, Sydney, NSW 2006, Australia; (J.T.); (D.N.); (R.V.R.); (G.V.P.)
- School of Life and Environmental Science, Faculty of Science, The University of Sydney, Sydney, NSW 2006, Australia
| | - Gabriela V. Pinget
- The Charles Perkins Centre, The University of Sydney, Sydney, NSW 2006, Australia; (J.T.); (D.N.); (R.V.R.); (G.V.P.)
- School of Medical Sciences, Faculty of Medicine and Health, The University of Sydney, Sydney, NSW 2006, Australia
| | - Laurence Macia
- The Charles Perkins Centre, The University of Sydney, Sydney, NSW 2006, Australia; (J.T.); (D.N.); (R.V.R.); (G.V.P.)
- School of Medical Sciences, Faculty of Medicine and Health, The University of Sydney, Sydney, NSW 2006, Australia
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Hao X, Zhong X, Sun X. The effects of all-trans retinoic acid on immune cells and its formulation design for vaccines. AAPS JOURNAL 2021; 23:32. [DOI: 10.1208/s12248-021-00565-1] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/18/2020] [Accepted: 02/02/2021] [Indexed: 12/11/2022]
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Bioactive Compounds for Skin Health: A Review. Nutrients 2021; 13:nu13010203. [PMID: 33445474 PMCID: PMC7827176 DOI: 10.3390/nu13010203] [Citation(s) in RCA: 86] [Impact Index Per Article: 28.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2020] [Revised: 01/05/2021] [Accepted: 01/09/2021] [Indexed: 01/19/2023] Open
Abstract
Human skin is continually changing. The condition of the skin largely depends on the individual’s overall state of health. A balanced diet plays an important role in the proper functioning of the human body, including the skin. The present study draws attention to bioactive substances, i.e., vitamins, minerals, fatty acids, polyphenols, and carotenoids, with a particular focus on their effects on the condition of the skin. The aim of the study was to review the literature on the effects of bioactive substances on skin parameters such as elasticity, firmness, wrinkles, senile dryness, hydration and color, and to define their role in the process of skin ageing.
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Rakshasbhuvankar AA, Pillow JJ, Patole SK, Nathan EA, Simmer K. Effect of Enteral Vitamin A on Fecal Calprotectin in Extremely Preterm Infants: A Nested Prospective Observational Study. Neonatology 2021; 118:720-726. [PMID: 34518481 DOI: 10.1159/000518680] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/08/2021] [Accepted: 07/24/2021] [Indexed: 11/19/2022]
Abstract
BACKGROUND Vitamin A has anti-inflammatory and immune-modulating properties. We aimed to assess whether enteral water-soluble vitamin A supplementation in extremely preterm infants decreases fecal calprotectin, a marker of intestinal inflammation. METHODS This was a prospective observational study nested in a randomized, double-blind, placebo-controlled clinical trial investigating enteral vitamin A (5,000 IU/day) for reducing the severity of bronchopulmonary dysplasia (BPD) in extremely preterm infants. Fecal calprotectin levels were measured using enzyme-linked immunosorbent assay after 28 days of Vitamin A or placebo supplementation. RESULTS Fecal calprotectin was measured in 66 infants (Vitamin A: 33, Placebo: 33). The mean (standard deviation) gestational age (25.5 [1.55] vs. 25.8 [1.48]; p = 0.341) (week), birth weight (810 [200] vs. 877 [251]; p = 0.240) (gram), and factors influencing fecal calprotectin levels were comparable between the vitamin A versus placebo group infants. All infants were exclusively fed with mother's or donor's human breast milk if mother's milk was unavailable using a standardized feeding regimen and received prophylactic probiotic supplementation. Fecal calprotectin levels (median; 25th-75th centiles) (micrograms/gram of feces) were not significantly different between vitamin A (152; 97-212) and placebo groups (179; 91-313) (p = 0.195). Two infants in the vitamin A group developed definite necrotizing enterocolitis compared to none in the placebo group. Incidence of BPD at 36 weeks postmenstrual age was similar between the groups (vitamin A: 18/33, placebo: 13/33, p = 0.218). CONCLUSION Enteral supplementation with water-soluble vitamin A did not affect fecal calprotectin levels in extremely preterm infants. Studies with a larger sample size are required to confirm the findings.
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Affiliation(s)
- Abhijeet A Rakshasbhuvankar
- Neonatal Clinical Care Unit, King Edward Memorial and Perth Children's Hospitals, Perth, Washington, Australia.,Paediatric Division, Medical School, The University of Western Australia and Telethon Kids Institute, Perth, Washington, Australia.,School of Human Sciences, The University of Western Australia, Perth, Washington, Australia
| | - J Jane Pillow
- Paediatric Division, Medical School, The University of Western Australia and Telethon Kids Institute, Perth, Washington, Australia.,School of Human Sciences, The University of Western Australia, Perth, Washington, Australia
| | - Sanjay Keshav Patole
- Neonatal Clinical Care Unit, King Edward Memorial and Perth Children's Hospitals, Perth, Washington, Australia.,Paediatric Division, Medical School, The University of Western Australia and Telethon Kids Institute, Perth, Washington, Australia
| | - Elizabeth A Nathan
- Women and Infants Research Foundation, King Edward Memorial Hospital, Perth, Washington, Australia.,Division of Obstetrics and Gynaecology, Medical School, The University of Western Australia, Perth, Washington, Australia
| | - Karen Simmer
- Neonatal Clinical Care Unit, King Edward Memorial and Perth Children's Hospitals, Perth, Washington, Australia.,Paediatric Division, Medical School, The University of Western Australia and Telethon Kids Institute, Perth, Washington, Australia
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44
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Di Renzo L, Gualtieri P, Pivari F, Soldati L, Attinà A, Leggeri C, Cinelli G, Tarsitano MG, Caparello G, Carrano E, Merra G, Pujia AM, Danieli R, De Lorenzo A. COVID-19: Is there a role for immunonutrition in obese patient? J Transl Med 2020; 18:415. [PMID: 33160363 PMCID: PMC7647877 DOI: 10.1186/s12967-020-02594-4] [Citation(s) in RCA: 33] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2020] [Accepted: 10/29/2020] [Indexed: 12/15/2022] Open
Abstract
On December 12, 2019 a new coronavirus (SARS-CoV-2) emerged in Wuhan, China, triggering a pandemic of severe acute respiratory syndrome in humans (COVID-19). Today, the scientific community is investing all the resources available to find any therapy and prevention strategies to defeat COVID-19. In this context, immunonutrition can play a pivotal role in improving immune responses against viral infections. Immunonutrition has been based on the concept that malnutrition impairs immune function. Therefore, immunonutrition involves feeding enriched with various pharmaconutrients (Omega 3 Fatty Acids, Vitamin C, Arginine, Glutamine, Selenium, Zinc, Vitamin, E and Vitamin D) to modulate inflammatory responses, acquired immune response and to improve patient outcomes. In literature, significant evidences indicate that obesity, a malnutrition state, negatively impacts on immune system functionality and on host defense, impairing protection from infections. Immunonutrients can promote patient recovery by inhibiting inflammatory responses and regulating immune function. Immune system dysfunction is considered to increase the risk of viral infections, such as SARS-CoV-2, and was observed in different pathological situations. Obese patients develop severe COVID-19 sequelae, due to the high concentrations of TNF-α, MCP-1 and IL-6 produced in the meantime by visceral and subcutaneous adipose tissue and by innate immunity. Moreover, leptin, released by adipose tissue, helps to increase inflammatory milieu with a dysregulation of the immune response. Additionally, gut microbiota plays a crucial role in the maturation, development and functions of both innate and adaptive immune system, as well as contributing to develop obese phenotype. The gut microbiota has been shown to affect lung health through a vital crosstalk between gut microbiota and lungs, called the "gut-lung axis". This axis communicates through a bi-directional pathway in which endotoxins, or microbial metabolites, may affect the lung through the blood and when inflammation occurs in the lung, this in turn can affect the gut microbiota. Therefore, the modulation of gut microbiota in obese COVID-19 patients can play a key role in immunonutrition therapeutic strategy. This umbrella review seeks to answer the question of whether a nutritional approach can be used to enhance the immune system's response to obesity in obese patients affected by COVID-19.
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Affiliation(s)
- Laura Di Renzo
- Section of Clinical Nutrition and Nutrigenomic, Department of Biomedicine and Prevention, University of Rome Tor Vergata, Via Montpellier 1, 00133, Rome, Italy
| | - Paola Gualtieri
- Section of Clinical Nutrition and Nutrigenomic, Department of Biomedicine and Prevention, University of Rome Tor Vergata, Via Montpellier 1, 00133, Rome, Italy
| | - Francesca Pivari
- Department of Health Sciences, University of Milan, Via A. Di Rudinì 8, 20142, Milan, Italy.
| | - Laura Soldati
- Department of Health Sciences, University of Milan, Via A. Di Rudinì 8, 20142, Milan, Italy
| | - Alda Attinà
- School of Specialization in Food Sciences, University of Rome Tor Vergata, Via Montpellier 1, 00133, Rome, Italy
| | - Claudia Leggeri
- School of Specialization in Food Sciences, University of Rome Tor Vergata, Via Montpellier 1, 00133, Rome, Italy
| | - Giulia Cinelli
- School of Specialization in Food Sciences, University of Rome Tor Vergata, Via Montpellier 1, 00133, Rome, Italy
- Predictive and Preventive Medicine Research Unit, "Bambino Gesù" Children Hospital IRCCS, 00165, Rome, Italy
| | - Maria Grazia Tarsitano
- Department of Experimental Medicine, Sapienza University of Rome, Viale Regina Elena 324, 00161, Rome, Italy
| | - Giovanna Caparello
- School of Specialization in Food Sciences, University of Rome Tor Vergata, Via Montpellier 1, 00133, Rome, Italy
| | - Elena Carrano
- School of Specialization in Food Sciences, University of Rome Tor Vergata, Via Montpellier 1, 00133, Rome, Italy
| | - Giuseppe Merra
- Section of Clinical Nutrition and Nutrigenomic, Department of Biomedicine and Prevention, University of Rome Tor Vergata, Via Montpellier 1, 00133, Rome, Italy
| | - Alberto Maria Pujia
- Department of Surgery, University of Tor Vergata, Via Montpellier 1, 00133, Rome, Italy
| | - Roberta Danieli
- Telematic University of San Raffaele Rome, 00166, Rome, Italy
| | - Antonino De Lorenzo
- Section of Clinical Nutrition and Nutrigenomic, Department of Biomedicine and Prevention, University of Rome Tor Vergata, Via Montpellier 1, 00133, Rome, Italy
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45
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Trinh TA, Hoang TX, Kim JY. All-trans retinoic acid increases NF-κB activity in PMA-stimulated THP-1 cells upon unmethylated CpG challenge by enhancing cell surface TLR9 expression. Mol Cell Biochem 2020; 473:167-177. [PMID: 32638255 DOI: 10.1007/s11010-020-03817-4] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2020] [Accepted: 06/27/2020] [Indexed: 12/14/2022]
Abstract
An active metabolite of vitamin A, all-trans retinoic acid (ATRA), is known to exert immunomodulatory functions. This study investigates the possible immune potentiating effect of ATRA on NF-κB activity in human monocytic THP-1 cells after exposure to unmethylated CpG DNA ODN2006. We observed that challenge with ODN2006 significantly enhanced the NF-κB activity of PMA-differentiated THP-1 cells. ATRA synergistically enhanced NF-κB activity of cells, in a concentration- and time-dependent manner. The enhanced NF-κB activity of PMA-differentiated THP-1 cells after ODN2006 challenge was dependent on the RAR/RXR pathway. To determine the mechanism involved in increasing in the NF-κB activity of stimulated THP-1 cells, we examined the effects of PMA and ATRA on the expression of TLR9 (a receptor of ODN2006) in THP-1 cells. PMA treatment significantly enhanced both the intracellular and cell surface expression of TLR9, while ATRA alone showed no effect. However, ATRA synergistically enhanced the cell surface TLR9 expression of PMA-differentiated cells. To determine whether the ATRA-enhanced NF-κB activity is due to the enhanced cell surface TLR9 expression, we examined NF-κB activity after treatment with anti-TLR9 blocking antibody. Results revealed that the anti-TLR9 antibody treatment almost completely reverses the ATRA-enhanced NF-κB activity, suggesting that ATRA enhances NF-κB activity through upregulation of the cell surface TLR9 expression in PMA-differentiated and unmethylated CpG challenged THP-1 cells.
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Affiliation(s)
- Tam-Anh Trinh
- Department of Life Science, Gachon University, Seongnam, Kyeonggi-Do, 461-701, Korea
| | - Thi Xoan Hoang
- Department of Life Science, Gachon University, Seongnam, Kyeonggi-Do, 461-701, Korea
| | - Jae Young Kim
- Department of Life Science, Gachon University, Seongnam, Kyeonggi-Do, 461-701, Korea.
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46
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Lo Verso L, Matte JJ, Lapointe J, Talbot G, Bissonnette N, Blais M, Guay F, Lessard M. Impact of birth weight and neonatal nutritional interventions with micronutrients and bovine colostrum on the development of piglet immune response during the peri-weaning period. Vet Immunol Immunopathol 2020; 226:110072. [PMID: 32540688 DOI: 10.1016/j.vetimm.2020.110072] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2019] [Revised: 12/19/2019] [Accepted: 05/17/2020] [Indexed: 10/24/2022]
Abstract
Immune system development of piglets is influenced by birth weight and colostrum and milk intake. Moreover, the dam transfer to piglets of vitamins A and D and copper, which play important role in immunity, is limited during lactation. In this study, we evaluated the potential of maternal and neonatal supplementations with vitamins A and D and copper, with or without neonatal supplementation of bovine colostrum (BC), to modulate the immune system development of low birth weight (LBW) and high birth weight (HBW) piglets during the peri-weaning period. Litters from 23 control sows (CONT) were assigned to one of the following treatments: 1) control (C); 2) oral administration at 2 and 8 days (d) of age of retinol-acetate, 25-hydroxyvitamin D and CuSO4 and exposure to UVB light for 15 min every second day from d 5 to d 21 (ADCu); 3) oral administration of dehydrated BC (4 g/d) from d 5 to d 10 (BC); 4) ADCu + BC. This experimental design was repeated with 24 sows fed extra daily supplements of 25-hydroxyvitamin D (4,000 IU), β-carotene (30,000 IU) and Cu-yeast (equivalent 45 mg of Cu) from 90 d of gestation until weaning at d 21 (SUPPL). Within each litter, 2 LBW and 2 HBW piglets were euthanized at d 16 and d 23 in order to characterize leukocyte subsets in mesenteric lymph nodes (MLN) and blood by flow cytometry, and to measure gene expression in the MLN and jejunal mucosa by qPCR. At d 16, results revealed that the percentages of γδ and cytotoxic T lymphocytes were significantly reduced in LBW compared to HBW piglets. The jejunal expression of interleukin (IL) 22 was also up-regulated, along with MLN expression of C-C Motif Chemokine Ligand 23, bone morphogenetic protein 2 and secreted phosphoprotein 1 (SPP1), whereas jejunal expression of tumor necrosis factor α was decreased in LBW piglets. At d 23, LBW piglets showed lower amounts of γδ T lymphocytes, higher percentages of CD3- and CD3-CD8α+CD16+ leukocytes (which include Natural killer cells) and lower jejunal expression of IL18. Furthermore, supplementation with BC increased the blood percentage of CD3-CD16+ leukocytes and reduced jejunal IL5 and MLN IL15 expression whereas supplementation with ADCu + BC increased jejunal TNF superfamily 13B and MLN SPP1 expression. Our results suggest that immune system development after birth differed between LBW and HBW piglets and that early dietary supplementation with BC and ADCu has the potential to modulate development of immune functions.
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Affiliation(s)
- Luca Lo Verso
- Sherbrooke Research and Development Centre, Agriculture and Agri-Food Canada, 2000 College Street, Sherbrooke, QC, J1M 0C3 Canada; Faculté des Sciences de l'Agriculture et de l'Alimentation, Département des Sciences Animales, Université Laval, Québec, QC, G1V 0A6 Canada.
| | - J Jacques Matte
- Sherbrooke Research and Development Centre, Agriculture and Agri-Food Canada, 2000 College Street, Sherbrooke, QC, J1M 0C3 Canada
| | - Jérôme Lapointe
- Sherbrooke Research and Development Centre, Agriculture and Agri-Food Canada, 2000 College Street, Sherbrooke, QC, J1M 0C3 Canada
| | - Guylaine Talbot
- Sherbrooke Research and Development Centre, Agriculture and Agri-Food Canada, 2000 College Street, Sherbrooke, QC, J1M 0C3 Canada; Centre de recherche en infectiologie porcine et avicole (CRIPA-FQRNT), Faculté de médecine vétérinaire, Université de Montréal, St-Hyacinthe, QC, J2S 2M2 Canada
| | - Nathalie Bissonnette
- Sherbrooke Research and Development Centre, Agriculture and Agri-Food Canada, 2000 College Street, Sherbrooke, QC, J1M 0C3 Canada
| | - Mylène Blais
- Sherbrooke Research and Development Centre, Agriculture and Agri-Food Canada, 2000 College Street, Sherbrooke, QC, J1M 0C3 Canada; Centre de recherche en infectiologie porcine et avicole (CRIPA-FQRNT), Faculté de médecine vétérinaire, Université de Montréal, St-Hyacinthe, QC, J2S 2M2 Canada
| | - Frédéric Guay
- Faculté des Sciences de l'Agriculture et de l'Alimentation, Département des Sciences Animales, Université Laval, Québec, QC, G1V 0A6 Canada; Centre de recherche en infectiologie porcine et avicole (CRIPA-FQRNT), Faculté de médecine vétérinaire, Université de Montréal, St-Hyacinthe, QC, J2S 2M2 Canada
| | - Martin Lessard
- Sherbrooke Research and Development Centre, Agriculture and Agri-Food Canada, 2000 College Street, Sherbrooke, QC, J1M 0C3 Canada; Centre de recherche en infectiologie porcine et avicole (CRIPA-FQRNT), Faculté de médecine vétérinaire, Université de Montréal, St-Hyacinthe, QC, J2S 2M2 Canada
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47
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Iyer N, Grizotte-Lake M, Duncan K, Gordon SR, Palmer ACS, Calvin C, Zhong G, Isoherranen N, Vaishnava S. Epithelium intrinsic vitamin A signaling co-ordinates pathogen clearance in the gut via IL-18. PLoS Pathog 2020; 16:e1008360. [PMID: 32330185 PMCID: PMC7202665 DOI: 10.1371/journal.ppat.1008360] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2019] [Revised: 05/06/2020] [Accepted: 01/27/2020] [Indexed: 01/17/2023] Open
Abstract
Intestinal epithelial cells (IECs) are at the forefront of host-pathogen interactions, coordinating a cascade of immune responses to protect against pathogens. Here we show that IEC-intrinsic vitamin A signaling restricts pathogen invasion early in the infection and subsequently activates immune cells to promote pathogen clearance. Mice blocked for retinoic acid receptor (RAR) signaling selectively in IECs (stopΔIEC) showed higher Salmonella burden in colonic tissues early in the infection that associated with higher luminal and systemic loads of the pathogen at later stages. Higher pathogen burden in stopΔIEC mice correlated with attenuated mucosal interferon gamma (IFNγ) production by underlying immune cells. We found that, at homeostasis, the intestinal epithelium of stopΔIEC mice produced significantly lower amounts of interleukin 18 (IL-18), a potent inducer of IFNγ. Regulation of IL-18 by vitamin A was also observed in a dietary model of vitamin A supplementation. IL-18 reconstitution in stopΔIEC mice restored resistance to Salmonella by promoting epithelial cell shedding to eliminate infected cells and limit pathogen invasion early in infection. Further, IL-18 augmented IFNγ production by underlying immune cells to restrict pathogen burden and systemic spread. Our work uncovers a critical role for vitamin A in coordinating a biphasic immune response to Salmonella infection by regulating IL-18 production by IECs. Epithelial cells line the intestinal lumen, forming a barrier between the body and dietary and microbial contents in the lumen. Apart from absorbing nutrients from diet, these epithelial cells help mediate a stable, symbiotic relationship between commensal bacteria and the immune cells. During infection, they help co-ordinate the immune response to counter the infection. How dietary micronutrients, such as vitamin A, inform epithelial cell function during infection is poorly understood. Using a model where epithelial cells in the gut cannot respond to vitamin A signals, we find that epithelial vitamin A signaling promotes resistance to Salmonella infection. We show that, vitamin A increases the production of a key cytokine, interleukin 18, by epithelial cells. IL-18 promotes shedding of infected epithelial cells to reduce the pathogen invasion while also inducing the production of interferon gamma by immune cells to mediate pathogen clearance. Thus, epithelial cells dynamically respond to dietary vitamin A to regulate interleukin 18 production and potentiate resistance to infection.
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Affiliation(s)
- Namrata Iyer
- Department of Molecular Microbiology and Immunology, Brown University, Providence, RI, United States of America
| | - Mayara Grizotte-Lake
- Department of Molecular Microbiology and Immunology, Brown University, Providence, RI, United States of America
| | - Kellyanne Duncan
- Department of Molecular Microbiology and Immunology, Brown University, Providence, RI, United States of America
| | - Sarah R. Gordon
- Department of Molecular Biology, Cell Biology and Biochemistry, Brown University, Providence, RI, United States of America
| | - Ana C. S. Palmer
- Department of Molecular Microbiology and Immunology, Brown University, Providence, RI, United States of America
| | - Crystle Calvin
- Department of Molecular Microbiology and Immunology, Brown University, Providence, RI, United States of America
| | - Guo Zhong
- Department of Pharmaceutics, University of Washington, Seattle, WA, United States of America
| | - Nina Isoherranen
- Department of Pharmaceutics, University of Washington, Seattle, WA, United States of America
| | - Shipra Vaishnava
- Department of Molecular Microbiology and Immunology, Brown University, Providence, RI, United States of America
- * E-mail:
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48
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Liang Y, Yi P, Wang X, Zhang B, Jie Z, Soong L, Sun J. Retinoic Acid Modulates Hyperactive T Cell Responses and Protects Vitamin A-Deficient Mice against Persistent Lymphocytic Choriomeningitis Virus Infection. THE JOURNAL OF IMMUNOLOGY 2020; 204:2984-2994. [PMID: 32284332 DOI: 10.4049/jimmunol.1901091] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/10/2019] [Accepted: 03/25/2020] [Indexed: 12/14/2022]
Abstract
Vitamin A deficiency (VAD) is a major public health problem and is associated with increased host susceptibility to infection; however, how VAD influences viral infection remains unclear. Using a persistent lymphocytic choriomeningitis virus infection model, we showed in this study that although VAD did not alter innate type I IFN production, infected VAD mice had hyperactive, virus-specific T cell responses at both the acute and contraction stages, showing significantly decreased PD-1 but increased cytokine (IFN-γ, TNF-α, and IL-2) expression by T cells. Compared with control mice, VAD mice displayed excessive inflammation and more severe liver pathology, with increased death during persistent infection. Of note, supplements of all-trans retinoic acid (RA), one of the important metabolites of vitamin A, downregulated hyperactive T cell responses and rescued the persistently infected VAD mice. By using adoptive transfer of splenocytes, we found that the environmental vitamin A or its metabolites acted as rheostats modulating antiviral T cells. The analyses of T cell transcriptional factors and signaling pathways revealed the possible mechanisms of RA, as its supplements inhibited the abundance of NFATc1 (NFAT 1), a key regulator for T cell activation. Also, following CD3/CD28 cross-linking stimulation, RA negatively regulated the TCR-proximal signaling in T cells, via decreased phosphorylation of Zap70 and its downstream signals, including phosphorylated AKT, p38, ERK, and S6, respectively. Together, our data reveal VAD-mediated alterations in antiviral T cell responses and highlight the potential utility of RA for modulating excessive immune responses and tissue injury in infectious diseases.
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Affiliation(s)
- Yuejin Liang
- Department of Microbiology and Immunology, University of Texas Medical Branch, Galveston, TX 77555;
| | - Panpan Yi
- Department of Microbiology and Immunology, University of Texas Medical Branch, Galveston, TX 77555.,Department of Infectious Diseases, Key Laboratory of Viral Hepatitis of Hunan, Xiangya Hospital, Central South University, Changsha, Hunan 410011, China
| | - Xiaofang Wang
- Department of Microbiology and Immunology, University of Texas Medical Branch, Galveston, TX 77555.,Department of Infectious Diseases, Key Laboratory of Viral Hepatitis of Hunan, Xiangya Hospital, Central South University, Changsha, Hunan 410011, China
| | - Biao Zhang
- Department of Microbiology and Immunology, University of Texas Medical Branch, Galveston, TX 77555.,Department of Histology and Embryology, Guangdong Medical University, Zhanjiang, Guangdong 524000, China
| | - Zuliang Jie
- Department of Immunology, University of Texas MD Anderson Cancer Center, Houston, TX 77030
| | - Lynn Soong
- Department of Microbiology and Immunology, University of Texas Medical Branch, Galveston, TX 77555.,Department of Pathology, University of Texas Medical Branch, Galveston, TX 77555; and.,Institute for Human Infections and Immunity, University of Texas Medical Branch, Galveston, TX 77555
| | - Jiaren Sun
- Department of Microbiology and Immunology, University of Texas Medical Branch, Galveston, TX 77555; .,Department of Pathology, University of Texas Medical Branch, Galveston, TX 77555; and.,Institute for Human Infections and Immunity, University of Texas Medical Branch, Galveston, TX 77555
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49
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Zhao H, Li S, Li Z, Yang S, Li D, Zheng J, Gao H, Yun L, Gu Y, Li L, Zhao J, Fu Y. Intranasal delivery of 9-cis retinoic acid reduces beta-amyloid deposition via inhibiting astrocyte-mediated inflammation. Aging (Albany NY) 2020; 12:5469-5478. [PMID: 32209731 PMCID: PMC7138573 DOI: 10.18632/aging.102970] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2019] [Accepted: 01/27/2020] [Indexed: 12/13/2022]
Abstract
Alzheimer's disease (AD) is associated with the accumulation and deposition of a beta-amyloid (Αβ) peptide in the brain, resulting in increased neuroinflammation and synaptic dysfunction. Intranasal delivery of targeted drugs to the brain represents a noninvasive pathway that bypasses the blood-brain barrier and minimizes systemic exposure. The aim of this study was to evaluate the therapeutic effect of intranasally delivered 9-cis retinoic acid (RA) on the neuropathology of an AD mouse model. Herein, we observed dramatically decreased Αβ deposition in the brains of amyloid precursor protein (APP) and presenilin 1 (PS1) double-transgenic mice (APP/PS1) treated intranasally with 9-cis RA for 4 weeks compared to that in the brains of vehicle-treated mice. Importantly, intranasal delivery of 9-cis RA suppressed Αβ-associated astrocyte activation and neuroinflammation and ultimately restored synaptic deficits in APP/PS1 transgenic mice. These results support the critical roles of Αβ-associated neuroinflammation responses to synaptic deficits, particularly during the deposition of Αβ. Our findings provide strong evidence that intranasally delivered 9-cis RA attenuates neuronal dysfunction in an AD mouse model and is a promising therapeutic strategy for the prevention and treatment of AD.
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Affiliation(s)
- Hong Zhao
- Department of Neurology, The Fourth Hospital of Harbin Medical University, Harbin, China
| | - Shuo Li
- Department of Ultrasonography, The Fourth Hospital of Harbin Medical University, Harbin, China
| | - Zhuo Li
- Department of Endocrinology, The First Hospital of Jilin University, Changchun, China
| | - Shuo Yang
- Department of Neurology, The Fourth Hospital of Harbin Medical University, Harbin, China
| | - Dandan Li
- Department of Neurology, The Second Hospital of Heilongjiang Province, Harbin, China
| | - Jiaolin Zheng
- Department of Neurology, The Second Hospital of Harbin Medical University, Harbin, China
| | - Hongmei Gao
- Department of Neurology, The Fourth Hospital of Harbin Medical University, Harbin, China
| | - Ling Yun
- Department of Neurology, The Fourth Hospital of Harbin Medical University, Harbin, China
| | - YingLi Gu
- Department of Neurology, The Fourth Hospital of Harbin Medical University, Harbin, China
| | - Longxuan Li
- Department of Neurology, Gongli Hospital of The Second Military Medical University, Shanghai, China
| | - Jing Zhao
- Department of Neuroscience, Mayo Clinic, Jacksonville, FL 32224, USA
| | - Yuan Fu
- Department of Neurology, The Fourth Hospital of Harbin Medical University, Harbin, China
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50
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Miller AP, Coronel J, Amengual J. The role of β-carotene and vitamin A in atherogenesis: Evidences from preclinical and clinical studies. Biochim Biophys Acta Mol Cell Biol Lipids 2020; 1865:158635. [PMID: 31978554 DOI: 10.1016/j.bbalip.2020.158635] [Citation(s) in RCA: 34] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2019] [Revised: 01/14/2020] [Accepted: 01/16/2020] [Indexed: 02/07/2023]
Abstract
Atherosclerotic cardiovascular disease (ASCVD) is the principal contributor to myocardial infarction, the leading cause of death worldwide. Epidemiological and mechanistic studies indicate that β-carotene and its vitamin A derivatives stimulate lipid catabolism in several tissues to reduce the incidence of obesity, but their roles within ASCVD are elusive. Herein, we review the mechanisms by which β-carotene and vitamin A modulate ASCVD. First, we summarize the current knowledge linking these nutrients with epidemiological studies and lipoprotein metabolism as one of the initiating factors of ASCVD. Next, we focus on different aspects of vitamin A metabolism in immune cells such as the mechanisms of carotenoid uptake and conversion to the vitamin A metabolite, retinoic acid. Lastly, we review the effects of retinoic acid on immuno-metabolism, differentiation, and function of macrophages and T cells, the two pillars of the innate and adaptive immune response in ASCVD, respectively. This article is part of a Special Issue entitled Carotenoids recent advances in cell and molecular biology edited by Johannes von Lintig and Loredana Quadro.
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Affiliation(s)
- Anthony P Miller
- Department of Food Science and Human Nutrition, University of Illinois Urbana Champaign, Urbana, IL 61801, United States of America
| | - Johana Coronel
- Department of Food Science and Human Nutrition, University of Illinois Urbana Champaign, Urbana, IL 61801, United States of America
| | - Jaume Amengual
- Department of Food Science and Human Nutrition, University of Illinois Urbana Champaign, Urbana, IL 61801, United States of America; Division of Nutritional Sciences, University of Illinois Urbana Champaign, Urbana, IL 61801, United States of America.
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