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Sasidharan Nair V, Huehn J. Impact of vitamin C on the development, differentiation and functional properties of T cells. Eur J Microbiol Immunol (Bp) 2024; 14:67-74. [PMID: 38446173 PMCID: PMC11097783 DOI: 10.1556/1886.2024.00017] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2024] [Accepted: 02/21/2024] [Indexed: 03/07/2024] Open
Abstract
Vitamin C plays a multifaceted role in various biological processes and is well-known to facilitate pleiotropic activities in both innate and adaptive immune responses, where the antioxidant capacity of vitamin C is most likely highly relevant since immune responses mainly occur in reducing environments. Beyond its antioxidant properties, vitamin C can enhance the transcription potential of genes by promoting DNA demethylation through ten-eleven-translocation (Tet) methylcytosine dioxygenases, which have been recently demonstrated to be critical for the development and differentiation of T cells. In this minireview, we will provide a broader overview on the impact of vitamin C on signaling and regulatory activities in both innate and adaptive immune cells. Particularly, we will summarize recent findings on the decisive role of finely tuned vitamin C concentrations for T cell development, T helper cell differentiation, and optimal T cell-mediated immune responses.
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Affiliation(s)
- Varun Sasidharan Nair
- Department Experimental Immunology, Helmholtz Centre for Infection Research, Inhoffenstraße 7, 38124Braunschweig, Germany
- Genetics and Epigenetics of Behavior, Italian Institute of Technology, Via Morego 30, 16163Genova, Italy
| | - Jochen Huehn
- Department Experimental Immunology, Helmholtz Centre for Infection Research, Inhoffenstraße 7, 38124Braunschweig, Germany
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2
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Prasad A, Rathi D, Sedlářová M, Manoharan RR, Průdková E, Pospíšil P. Differential effects of ascorbic acid on monocytic cell morphology and protein modification: Shifting from pro-oxidative to antioxidant properties. Biochem Biophys Rep 2024; 37:101622. [PMID: 38234371 PMCID: PMC10792182 DOI: 10.1016/j.bbrep.2023.101622] [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: 11/07/2023] [Revised: 12/18/2023] [Accepted: 12/18/2023] [Indexed: 01/19/2024] Open
Abstract
In this study, we investigated the properties of ascorbic acid (vitamin C), which is a naturally occurring water-soluble vitamin. Our goal is to evaluate its pro-oxidative and/or antioxidant capabilities. To do this, we initially used a confocal laser scanning microscope (CLSM) to visualize the differentiation pattern in U-937 cells under the treatment of variable concentrations of ascorbic acid. Prior to induction, U-937 cells showed a spherical morphology. After treatment, significant morphological changes were observed in the form of prominent pseudopodia and amoeboid structures. Interestingly, pseudopodia incidences increased with an increase in ascorbic acid concentrations. In addition, our analysis of protein modification using anti-malondialdehyde antibodies showed changes in more than one protein. The findings reveal the link between the differentiation of U-937 cells into macrophages and the protein modifications triggered by the production of reactive oxygen species when U-937 cells are exposed to ascorbic acid. Furthermore, the transformation of ascorbic acid from a pro-oxidative to an antioxidant property is also demonstrated.
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Affiliation(s)
- Ankush Prasad
- Department of Biophysics, Faculty of Science, Palacký University, Šlechtitelů 27, 783 71, Olomouc, Czech Republic
| | - Deepak Rathi
- Department of Biophysics, Faculty of Science, Palacký University, Šlechtitelů 27, 783 71, Olomouc, Czech Republic
| | - Michaela Sedlářová
- Department of Botany, Faculty of Science, Palacký University, Šlechtitelů 27, 783 71, Olomouc, Czech Republic
| | - Renuka Ramalingam Manoharan
- Department of Biophysics, Faculty of Science, Palacký University, Šlechtitelů 27, 783 71, Olomouc, Czech Republic
| | - Eliška Průdková
- Department of Biophysics, Faculty of Science, Palacký University, Šlechtitelů 27, 783 71, Olomouc, Czech Republic
| | - Pavel Pospíšil
- Department of Biophysics, Faculty of Science, Palacký University, Šlechtitelů 27, 783 71, Olomouc, Czech Republic
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3
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Begimbetova D, Burska AN, Baltabekova A, Kussainova A, Kukanova A, Fazyl F, Ibragimova M, Manekenova K, Makishev A, Bersimbaev RI, Sarbassov DD. The Vitamin C Enantiomers Possess a Comparable Potency in the Induction of Oxidative Stress in Cancer Cells but Differ in Their Toxicity. Int J Mol Sci 2024; 25:2531. [PMID: 38473779 DOI: 10.3390/ijms25052531] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2023] [Revised: 02/07/2024] [Accepted: 02/10/2024] [Indexed: 03/14/2024] Open
Abstract
The use of vitamin C (VC) in high doses demonstrates a potent tumor suppressive effect by mediating a glucose-dependent oxidative stress in Kirsten rat sarcoma (KRAS) mutant cancer cells. VC with arsenic trioxide (ATO) is a promising drug combination that might lead to the development of effective cancer therapeutics. Considering that a tumor suppressive effect of VC requires its high-dose administration, it is of interest to examine the toxicity of two enantiomers of VC (enantiomer d-optical isomer D-VC and natural l-optical isomer L-VC) in vitro and in vivo. We show that the combinations of L-VC with ATO and D-VC with ATO induced a similar cytotoxic oxidative stress in KrasG12D-expressing mutant cancer cells as indicated by a substantial increase in reactive oxidative species (ROS) production and depolarization of mitochondria. To examine the L-VC and D-VC toxicity effects, we administered high doses of D-VC and L-VC to CD1 mice and carried out an evaluation of their toxic effects. The daily injections of L-VC at a dose of 9.2 g/kg for 18 days were lethal to mice, while 80% of mice remained alive following the similar high-dose administration of D-VC. Following the drug injection courses and histopathological studies, we determined that a natural form of VC (L-VC) is more harmful and toxic to mice when compared to the effects caused by the similar doses of D-VC. Thus, our study indicates that the two enantiomers of VC have a similar potency in the induction of oxidative stress in cancer cells, but D-VC has a distinctive lower toxicity in mice compared to L-VC. While the mechanism of a distinctive toxicity between D-VC and L-VC is yet to be defined, our finding marks D-VC as a more preferable option compared to its natural enantiomer L-VC in clinical settings.
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Affiliation(s)
- Dinara Begimbetova
- National Laboratory Astana, Nazarbayev University, Astana 010000, Kazakhstan
| | - Agata N Burska
- National Laboratory Astana, Nazarbayev University, Astana 010000, Kazakhstan
- School of Medicine, Nazarbayev University, Astana 010000, Kazakhstan
| | | | - Assiya Kussainova
- National Laboratory Astana, Nazarbayev University, Astana 010000, Kazakhstan
- Department of Experimental Medicine, University of Genoa, 16132 Genoa, Italy
- Department of General Biology and Genomics, Institute of Cell Biology and Biotechnology, L.N. Gumilyov Eurasian National University, Astana 010008, Kazakhstan
| | - Assiya Kukanova
- National Laboratory Astana, Nazarbayev University, Astana 010000, Kazakhstan
- Department of Oncology, Astana Medical University, Astana 010000, Kazakhstan
| | - Fatima Fazyl
- National Laboratory Astana, Nazarbayev University, Astana 010000, Kazakhstan
| | - Milana Ibragimova
- National Laboratory Astana, Nazarbayev University, Astana 010000, Kazakhstan
| | - Kenzhekyz Manekenova
- Department of Pathological Anatomy, Astana Medical University, Astana 010000, Kazakhstan
| | - Abay Makishev
- Department of Oncology, Astana Medical University, Astana 010000, Kazakhstan
| | - Rakhmetkazhi I Bersimbaev
- Department of General Biology and Genomics, Institute of Cell Biology and Biotechnology, L.N. Gumilyov Eurasian National University, Astana 010008, Kazakhstan
| | - Dos D Sarbassov
- National Laboratory Astana, Nazarbayev University, Astana 010000, Kazakhstan
- Department of Biology, School of Sciences and Humanities, Nazarbayev University, Astana 010000, Kazakhstan
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Saeed RF, Naz S, Awan UA, Gul S, Subhan F, Saeed S. Micronutrients Importance in Cancer Prevention-Vitamins. Cancer Treat Res 2024; 191:119-144. [PMID: 39133406 DOI: 10.1007/978-3-031-55622-7_5] [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] [Indexed: 08/13/2024]
Abstract
The effect of nutrition in the development and prognosis of cancer has received a lot of attention. Research shows taking vitamins, which are powerful antioxidants, can significantly lower the risk of cancers. Nutritional supplements suited to a patient's background, genetics, diet, tumour histology, and therapy may be beneficial in some cases. A poor diet may have a negative impact on immunity and treatment tolerance, decreasing the efficacy of chemotherapy in destroying malignant cells. Most cancer patients now take vitamins to supplement regular treatment and/or to decrease side effects from the medicine as well as the underlying ailment. This is a new development in recent decades, whereas taking nutritional supplements while receiving cancer treatment may increase the success of chemotherapy. To enhance the quality of life, lengthen the survival rate, and sustain immunotherapy compliance, additional study into the use of micronutrients in medical treatment is required for cancer patients. The main purpose of this book chapter was to highlight the role of vitamins in cancer and to establish a solid foundation for future research on this exciting topic. The possible impact of some vitamins in various malignancies such as colorectal, breast, prostate, lung, pancreatic, and stomach cancers are investigated.
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Affiliation(s)
- Rida Fatima Saeed
- Department of Biological Sciences, National University of Medical Sciences (NUMS), Rawalpindi, Pakistan.
| | - Shumaila Naz
- Department of Biological Sciences, National University of Medical Sciences (NUMS), Rawalpindi, Pakistan
| | - Uzma Azeem Awan
- Department of Biological Sciences, National University of Medical Sciences (NUMS), Rawalpindi, Pakistan
| | - Sana Gul
- Department of Biological Sciences, National University of Medical Sciences (NUMS), Rawalpindi, Pakistan
| | - Fazli Subhan
- Department of Biological Sciences, National University of Medical Sciences (NUMS), Rawalpindi, Pakistan
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Boerenkamp LS, Gijsbers BLMG, Ververs EJ, Pijpers EMS, Spaetgens B, de Coninck A, Germeraad WTV, Wodzig WKWH, Wieten L, van Gorkom GNY, van Elssen CHMJ. Low Levels of Serum and Intracellular Vitamin C in Hospitalized COVID-19 Patients. Nutrients 2023; 15:3653. [PMID: 37630843 PMCID: PMC10458240 DOI: 10.3390/nu15163653] [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: 07/13/2023] [Revised: 08/14/2023] [Accepted: 08/18/2023] [Indexed: 08/27/2023] Open
Abstract
Vitamin C is a crucial micronutrient for human immune cell function and has potent antioxidant properties. It is hypothesized that vitamin C serum levels decline during infection. However, the precise mechanisms remain unknown. To gain deeper insights into the true role of vitamin C during infections, we aimed to evaluate the body's vitamin C storage during a SARS-CoV-2 infection. In this single-center study, we examined serum and intracellular vitamin C levels in peripheral blood mononuclear cells (PBMCs) of 70 hospitalized COVID-19 patients on the first and fifth days of hospitalization. Also, clinical COVID-19 severity was evaluated at these timepoints. Our findings revealed a high prevalence of hypovitaminosis C and vitamin C deficiency in hospitalized COVID-19 patients (36% and 15%). Moreover, patients with severe or critical disease exhibited a higher prevalence of low serum vitamin C levels than those with moderate illness. Serum vitamin C levels had a weak negative correlation with clinical COVID-19 severity classification on the day of hospitalization; however, there was no correlation with intracellular vitamin C. Intracellular vitamin C levels were decreased in this cohort as compared to a healthy cohort and showed further decline during hospitalization, while serum levels showed no relevant change. Based on this observation, it can be suggested that the reduction of intracellular vitamin C may be attributed to its antioxidative function, the need for replenishing serum levels, or enhanced turnover by immune cells. These data give an incentive to further investigate the role of intracellular vitamin C in a larger and more heterogeneous cohort as well as the underlying mechanisms.
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Affiliation(s)
- Lara S. Boerenkamp
- Division of Hematology, Department of Internal Medicine, GROW School for Oncology and Developmental Biology, Maastricht University Medical Center, 6229 HX Maastricht, The Netherlands
| | - Birgit L. M. G. Gijsbers
- Division of Hematology, Department of Internal Medicine, GROW School for Oncology and Developmental Biology, Maastricht University Medical Center, 6229 HX Maastricht, The Netherlands
| | - Erik-Jan Ververs
- Division of Hematology, Department of Internal Medicine, GROW School for Oncology and Developmental Biology, Maastricht University Medical Center, 6229 HX Maastricht, The Netherlands
| | - Eva M. S. Pijpers
- Department of Internal Medicine, Maastricht University Medical Center, 6229 HX Maastricht, The Netherlands
| | - Bart Spaetgens
- Department of Internal Medicine, Maastricht University Medical Center, 6229 HX Maastricht, The Netherlands
| | - Aniek de Coninck
- Division of Hematology, Department of Internal Medicine, GROW School for Oncology and Developmental Biology, Maastricht University Medical Center, 6229 HX Maastricht, The Netherlands
| | - Wilfred T. V. Germeraad
- Division of Hematology, Department of Internal Medicine, GROW School for Oncology and Developmental Biology, Maastricht University Medical Center, 6229 HX Maastricht, The Netherlands
| | - Will K. W. H. Wodzig
- Central Diagnostic Laboratory, Department of Clinical Chemistry, Maastricht University Medical Center, 6229 HX Maastricht, The Netherlands
| | - Lotte Wieten
- Department of Transplantation Immunology, Maastricht University Medical Center, 6229 HX Maastricht, The Netherlands
| | - Gwendolyn N. Y. van Gorkom
- Division of Hematology, Department of Internal Medicine, GROW School for Oncology and Developmental Biology, Maastricht University Medical Center, 6229 HX Maastricht, The Netherlands
| | - Catharina H. M. J. van Elssen
- Division of Hematology, Department of Internal Medicine, GROW School for Oncology and Developmental Biology, Maastricht University Medical Center, 6229 HX Maastricht, The Netherlands
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Lee S, Kim S, Kim SD, Oh SJ, Kong SK, Lee HM, Kim S, Choi SW. Differences in the metabolomic profile of the human palatine tonsil between pediatrics and adults. PLoS One 2023; 18:e0288871. [PMID: 37523386 PMCID: PMC10389742 DOI: 10.1371/journal.pone.0288871] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2022] [Accepted: 07/05/2023] [Indexed: 08/02/2023] Open
Abstract
Palatine tonsils (PT) are B cell-predominant lymphoid organs that provide primary immune responses to airborne and dietary pathogens. Numerous histopathological and immunological studies have been conducted on PT, yet no investigations have been conducted on its metabolic profile. We performed high-resolution magic angle spinning nuclear magnetic resonance spectroscopy-based metabolic profiling in 35 pediatric and 28 adult human palatine tonsillar tissue samples. A total of 36 metabolites were identified, and the levels of 10 metabolites were significantly different depending on age. Among them, partial correlation analysis shows that glucose levels increased with age, whereas glycine, phosphocholine, phosphoethanolamine, and ascorbate levels decreased with age. We confirmed the decrease in immunometabolic activity in adults through metabolomic analysis, which had been anticipated from previous histological and immunological studies on the PT. These results improve our understanding of metabolic changes in the PT with aging and serve as a basis for future tonsil-related metabolomic studies.
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Affiliation(s)
- Seokhwan Lee
- Department of Otorhinolaryngology, Inje University Haeundae Paik Hospital, Busan, Republic of Korea
| | - Seonghye Kim
- Department of Chemistry and Chemistry Institute for Functional Materials, Pusan National University, Busan, Republic of Korea
| | - Sung-Dong Kim
- Department of Otorhinolaryngology and Biomedical Research Institute, Pusan National University Hospital, Busan, Republic of Korea
| | - Se-Joon Oh
- Department of Otorhinolaryngology and Biomedical Research Institute, Pusan National University Hospital, Busan, Republic of Korea
| | - Soo-Keun Kong
- Department of Otorhinolaryngology and Biomedical Research Institute, Pusan National University Hospital, Busan, Republic of Korea
| | - Hyun-Min Lee
- Department of Otorhinolaryngology and Biomedical Research Institute, Pusan National University Yangsan Hospital, Yangsan, Republic of Korea
| | - Suhkmann Kim
- Department of Chemistry and Chemistry Institute for Functional Materials, Pusan National University, Busan, Republic of Korea
| | - Sung-Won Choi
- Department of Otorhinolaryngology and Biomedical Research Institute, Pusan National University Hospital, Busan, Republic of Korea
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Podpeskar A, Crazzolara R, Kropshofer G, Hetzer B, Rabensteiner E, Meister B, Obexer P, Salvador C. Recommendations for Nutritional Supplementation in Pediatric Oncology: A Compilation of the Facts. Nutrients 2023; 15:3239. [PMID: 37513658 PMCID: PMC10386187 DOI: 10.3390/nu15143239] [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: 06/29/2023] [Revised: 07/18/2023] [Accepted: 07/19/2023] [Indexed: 07/30/2023] Open
Abstract
BACKGROUND As one of the few modifiable risk factors, the importance of dietary patterns for both disease prevention and treatment outcome in pediatric oncology has gained increasing popularity. Malnutrition is associated with lower survival rates, tolerance to treatment, and quality of life. Yet, especially in children with malignancies, nutritional deterioration is common, and pediatric cancer patients often present with inadequate intake of micro- and macronutrients alike. Despite the reported widespread use of dietary supplements, few empirical data provide a basis for clinical recommendations, and evidence for their efficacy is inconsistent. Current literature lacks a systematic approach as to how and which supplements should be recommended for specific patients, types of cancer, or during specific treatments. The aim of this review is to highlight the role of the most frequently used nutrients in pediatric malignant diseases and to give a practical guide based on current scientific evidence. METHODS A comprehensive literature search was conducted on PubMed through April 2023 to select meta-analyses, systematic reviews, observational studies, and individual randomized controlled trials (RCTs) of macro- and micronutrient supplementation in pediatric oncology. The search strategy included the following medical subject headings (MeSH) and keywords: "childhood cancer", "pediatric oncology", "nutritional status", "dietary supplements", "vitamins", "micronutrients", "calcium", "magnesium", "vitamin D", "zinc" "glutamine", "selen", and "omega-3 fatty acids". The reference lists of all relevant articles were screened to include potentially pertinent studies. RESULTS The present review provides a comprehensive and updated overview of the latest evidence about the role of nutrition and diet in pediatric oncology, also focusing on different nutritional interventions available for the management of the disease. We summarize evidence about the importance of adequate nutrition in childhood cancer and the role of several micronutrients and critically interpret the findings. Possible effects and benefits of supplementation during chemotherapy are discussed, as are strategies for primary and secondary prevention. CONCLUSIONS We here describe the obvious benefits of dietary supplementation for childhood cancer. Further large-scale clinical trials are required to verify the impacts of deficiencies and the possible benefits of supplementation and optimal dosages. (337 words).
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Affiliation(s)
- Alexandra Podpeskar
- Department of Pediatrics I, Division of Hematology and Oncology, Medical University of Innsbruck, Anichstr. 35, 6020 Innsbruck, Austria
| | - Roman Crazzolara
- Department of Pediatrics I, Division of Hematology and Oncology, Medical University of Innsbruck, Anichstr. 35, 6020 Innsbruck, Austria
| | - Gabriele Kropshofer
- Department of Pediatrics I, Division of Hematology and Oncology, Medical University of Innsbruck, Anichstr. 35, 6020 Innsbruck, Austria
| | - Benjamin Hetzer
- Department of Pediatrics I, Division of Hematology and Oncology, Medical University of Innsbruck, Anichstr. 35, 6020 Innsbruck, Austria
| | - Evelyn Rabensteiner
- Department of Pediatrics I, Division of Hematology and Oncology, Medical University of Innsbruck, Anichstr. 35, 6020 Innsbruck, Austria
| | - Bernhard Meister
- Department of Pediatrics I, Division of Hematology and Oncology, Medical University of Innsbruck, Anichstr. 35, 6020 Innsbruck, Austria
| | - Petra Obexer
- Department of Pediatrics II, Institute of Experimental Neonatology, Medical University of Innsbruck, 6020 Innsbruck, Austria
| | - Christina Salvador
- Department of Pediatrics I, Division of Hematology and Oncology, Medical University of Innsbruck, Anichstr. 35, 6020 Innsbruck, Austria
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Al Mahmud A, Shafayet Ahmed Siddiqui, Karim MR, Al-Mamun MR, Akhter S, Sohel M, Hasan M, Bellah SF, Amin MN. Clinically proven natural products, vitamins and mineral in boosting up immunity: A comprehensive review. Heliyon 2023; 9:e15292. [PMID: 37089292 PMCID: PMC10079597 DOI: 10.1016/j.heliyon.2023.e15292] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2022] [Revised: 03/13/2023] [Accepted: 03/31/2023] [Indexed: 03/26/2024] Open
Abstract
BACKGROUND and Purposes: The terminology "immune boost-up" was the talk of the topic in this Covid-19 pandemic. A significant number of the people took initiative to increase the body's defense capacity through boosting up immunity worldwide. Considering this, the study was designed to explain the natural products, vitamins and mineral that were proved by clinical trail as immunity enhancer. METHODS Information was retrieved from SciVerse Scopus ® (Elsevier Properties S. A, USA), Web of Science® (Thomson Reuters, USA), and PubMed based on immunity, nutrients, natural products in boosting up immunity, minerals and vitamins in boosting up immunity, and immune booster agents. RESULT A well-defined immune cells response provide a-well functioning defense system for the human physiological system. Cells of the immune system must require adequate stimulation so that these cells can prepare themselves competent enough to fight against any unintended onslaught. Several pharmacologically active medicinal plants and plants derived probiotics or micronutrients have played a pivotal role in enhancing the immune boost-up process. Their role has been well established from the previous study. Immune stimulating cells, especially cells of acquired immunity are closely associated with the immune-boosting up process because all the immunological reactions and mechanisms are mediated through these cells. CONCLUSION This article highlighted the mechanism of action of different natural products, vitamins and mineral in boosting up the immunity of the human body and strengthening the body's defense system. Therefore, it is recommended that until the specific immune-boosting drugs are available in pharma markets, anyone can consider the mentioned products as dietary supplements to boost up the immunity.
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Affiliation(s)
- Abdullah Al Mahmud
- Department of Pharmacy, Manarat International University, Ashulia, Dhaka, 1341, Bangladesh
- Pratyasha Health Biomedical Research Center, Dhaka, 1230, Bangladesh
| | - Shafayet Ahmed Siddiqui
- Department of Pharmacy, Manarat International University, Ashulia, Dhaka, 1341, Bangladesh
- Pratyasha Health Biomedical Research Center, Dhaka, 1230, Bangladesh
| | - Md Rezaul Karim
- Department of Pharmacy, Manarat International University, Ashulia, Dhaka, 1341, Bangladesh
| | | | - Shammi Akhter
- Department of Pharmacy, Varendra University, Rajshahi, 6204, Bangladesh
| | - Md Sohel
- Pratyasha Health Biomedical Research Center, Dhaka, 1230, Bangladesh
- Department of Biochemistry and Molecular Biology, Primeasia University, Dhaka, 1213, Bangladesh
| | - Mahedi Hasan
- Department of Pharmacy, Manarat International University, Ashulia, Dhaka, 1341, Bangladesh
| | - Sm Faysal Bellah
- Department of Pharmacy, Manarat International University, Ashulia, Dhaka, 1341, Bangladesh
| | - Mohammad Nurul Amin
- Pratyasha Health Biomedical Research Center, Dhaka, 1230, Bangladesh
- Department of Pharmacy, Atish Dipankar University of Science and Technology, Dhaka, 1230, Bangladesh
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9
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El-Malla SF, Mansour FR, Elattar RH, Kamal AH. Redox-Based Colorimetric Sensor for the Selective Determination of Ascorbic Acid in Fixed-Dose Combination Tablets. J AOAC Int 2023; 106:276-284. [PMID: 36409015 DOI: 10.1093/jaoacint/qsac141] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2022] [Revised: 09/25/2022] [Accepted: 11/01/2022] [Indexed: 11/23/2022]
Abstract
BACKGROUND Ascorbic acid (ASC; vitamin C) is a weak chromophore, so its presence cannot be determined directly by spectrophotometry. OBJECTIVE This work aims to develop and validate a simple and ecofriendly analytical method for the determination of ASC concentration based on the reaction of ASC with the metal complex, ferric salicylate. METHODS The visible absorbance of ferric salicylate was found to be inversely proportional to the concentration of ASC. The possible mechanism of the reaction between ASC and ferric salicylate was investigated: ferric salicylate was found to be reduced by ASC under the applied experimental conditions. Different parameters that may affect the reaction were also investigated: ferric salicylate concentration, pH, ionic strength, and the time of reaction. The optimum concentration of ferric salicylate was found to be 1000 µM and the optimum pH was 5.5. The developed method was validated according to International Conference on Harmonization (ICH) guidelines. RESULTS The linearity range of the developed method was 5-70 µg/mL and the correlation coefficient was 0.9994. The limits of detection and quantitation were 0.38 µg/mL and 1.16 µg/mL, respectively. The method was successfully applied to the determination of ASC concentration in commercial Ruta-C60® tablets. The mean recovery ± standard deviation was found to be 101.10 ± 0.70%. The results were statistically compared to those obtained by a reported HPLC method. Good agreement was observed. CONCLUSION The developed method is simple, fast, cost-effective, and suitable for routine pharmaceutical analysis of ASC. HIGHLIGHTS The developed method is more sensitive than the other spectrophotometric methods reported for determination of ASC.
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Affiliation(s)
- Samah F El-Malla
- Tanta University, Medical Campus of Tanta University, Faculty of Pharmacy, Department of Pharmaceutical Analytical Chemistry, El-Geish Street, Tanta 31111, Egypt
| | - Fotouh R Mansour
- Tanta University, Medical Campus of Tanta University, Faculty of Pharmacy, Department of Pharmaceutical Analytical Chemistry, El-Geish Street, Tanta 31111, Egypt
| | - Rehab H Elattar
- Tanta University, Medical Campus of Tanta University, Faculty of Pharmacy, Department of Pharmaceutical Analytical Chemistry, El-Geish Street, Tanta 31111, Egypt
| | - Amira H Kamal
- Tanta University, Medical Campus of Tanta University, Faculty of Pharmacy, Department of Pharmaceutical Analytical Chemistry, El-Geish Street, Tanta 31111, Egypt
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10
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孔 维, 芦 鑫, 侯 琳, 孙 秀, 孙 桂, 陈 力. [Vitamins and Immune System Health]. SICHUAN DA XUE XUE BAO. YI XUE BAN = JOURNAL OF SICHUAN UNIVERSITY. MEDICAL SCIENCE EDITION 2023; 54:7-13. [PMID: 36647636 PMCID: PMC10409034 DOI: 10.12182/20230160107] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Received: 08/14/2022] [Indexed: 01/18/2023]
Abstract
Keeping the immune system healthy forms an effective way to fight infections. Past experience has shown that, in addition to effective interventions including vaccination, drug therapy, and non-pharmaceutical intervention (NPI), dietary nutrition and mental health are also key factors in maintaining immune system health and combating emerging and sudden outbreaks of infections. As the main dietary nutrients, vitamins are active regulators of the immune response and exert a critical impact on the immunity of the human body. Vitamin deficiency causes increased levels of inflammation and decreased immunity, which usually starts in the oral tissues. Appropriate vitamin supplementation can help the body optimize immune function, enhance oral immunity, and reduce the negative impact of pathogen infection on the human body, which makes it a feasible, effective, and universally applicable anti-infection solution. This review focuses on the immunomodulatory effects of vitamin A, B, C, D, and E and proposes that an omics-based new systemic approach will lead to a breakthrough of the limitations in traditional single-factor single-pathway research and provide the direction for the basic and applied research of vitamin immune regulation and anti-infection in all aspects.
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Affiliation(s)
- 维溧 孔
- 复旦大学基础医学院 病原生物学系 医学分子病毒学教育部/卫健委/医科院重点实验室 (上海 200032)Key Laboratory of Medical Molecular Virology (MOE/NHC/CAMS), School of Basic Medical Sciences, Fudan University, Shanghai 200032, China
| | - 鑫荣 芦
- 复旦大学基础医学院 病原生物学系 医学分子病毒学教育部/卫健委/医科院重点实验室 (上海 200032)Key Laboratory of Medical Molecular Virology (MOE/NHC/CAMS), School of Basic Medical Sciences, Fudan University, Shanghai 200032, China
| | - 琳琳 侯
- 复旦大学基础医学院 病原生物学系 医学分子病毒学教育部/卫健委/医科院重点实验室 (上海 200032)Key Laboratory of Medical Molecular Virology (MOE/NHC/CAMS), School of Basic Medical Sciences, Fudan University, Shanghai 200032, China
| | - 秀发 孙
- 复旦大学基础医学院 病原生物学系 医学分子病毒学教育部/卫健委/医科院重点实验室 (上海 200032)Key Laboratory of Medical Molecular Virology (MOE/NHC/CAMS), School of Basic Medical Sciences, Fudan University, Shanghai 200032, China
| | - 桂芹 孙
- 复旦大学基础医学院 病原生物学系 医学分子病毒学教育部/卫健委/医科院重点实验室 (上海 200032)Key Laboratory of Medical Molecular Virology (MOE/NHC/CAMS), School of Basic Medical Sciences, Fudan University, Shanghai 200032, China
| | - 力 陈
- 复旦大学基础医学院 病原生物学系 医学分子病毒学教育部/卫健委/医科院重点实验室 (上海 200032)Key Laboratory of Medical Molecular Virology (MOE/NHC/CAMS), School of Basic Medical Sciences, Fudan University, Shanghai 200032, China
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11
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Liang Z, Shen J, Liu J, Li Q, Yang F, Ding X. Ascorbic Acid-Mediated Modulation of Antibiotic Susceptibility of Major Bovine Mastitis Pathogens. Infect Drug Resist 2022; 15:7363-7367. [PMID: 36540100 PMCID: PMC9759972 DOI: 10.2147/idr.s388023] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2022] [Accepted: 12/01/2022] [Indexed: 04/01/2024] Open
Abstract
This study aimed to investigate the effects of ascorbic acid on antibiotic susceptibility of major bovine mastitis pathogens, including Staphylococcus aureus, Streptococcus dysgalactiae, Streptococcus uberis, Streptococcus agalactiae, and Escherichia coli. Minimum inhibitory concentrations (MICs) were determined by E-test method. The presence of 10 mM ascorbic acid decreased the MICs of penicillin and ampicillin while increased the MICs of erythromycin, kanamycin, streptomycin, and ciprofloxacin for all tested strains. Besides, ascorbic acid specifically reduced the MICs of tetracycline for gram-positive bacteria and chloramphenicol for gram-negative bacteria. This study highlights that ascorbic acid is a potential modulator of antibiotic activity against the major bovine mastitis pathogens.
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Affiliation(s)
- Zeyi Liang
- Lanzhou Institute of Husbandry and Pharmaceutical Sciences of Chinese Academy of Agricultural Science, Lanzhou, People’s Republic of China
| | - Jiahao Shen
- Lanzhou Institute of Husbandry and Pharmaceutical Sciences of Chinese Academy of Agricultural Science, Lanzhou, People’s Republic of China
| | - Jing Liu
- Lanzhou Institute of Husbandry and Pharmaceutical Sciences of Chinese Academy of Agricultural Science, Lanzhou, People’s Republic of China
| | - Qinfan Li
- College of Veterinary Medicine, Northwest A&F University, Shaanxi, People’s Republic of China
| | - Feng Yang
- Lanzhou Institute of Husbandry and Pharmaceutical Sciences of Chinese Academy of Agricultural Science, Lanzhou, People’s Republic of China
| | - Xuezhi Ding
- Lanzhou Institute of Husbandry and Pharmaceutical Sciences of Chinese Academy of Agricultural Science, Lanzhou, People’s Republic of China
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12
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Critical review on the immunomodulatory activities of carrot’s β-carotene and other bioactive compounds. J Funct Foods 2022. [DOI: 10.1016/j.jff.2022.105303] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
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13
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Jeon G, Choi H, Park DJ, Nguyen NT, Kim YH, Min J. Melanin Treatment Effect of Vacuoles-Zinc Oxide Nanoparticles Combined with Ascorbic Acid. Mol Biotechnol 2022:10.1007/s12033-022-00608-8. [PMID: 36445610 PMCID: PMC9707414 DOI: 10.1007/s12033-022-00608-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2022] [Accepted: 11/07/2022] [Indexed: 11/30/2022]
Abstract
Currently, ascorbic acid (AA) is widely used as a skin whitening material, but, AA, an unstable hydrophilic molecule, cannot penetrate the skin easily, due to the hydrophobic character of the stratum corneum. Therefore, we conjugated AA with hydrated zinc oxide-an inorganic matrix with positive surface charge, to improve the stability of AA. The metal-conjugated-ascorbic acid (ZnAA) was then combined with yeast vacuole through the vacuolar membrane proteins that relate to metal transportation to create an enhanced vacuole that contained ZnAA. The characteristics of vacuole with ZnAA (ZnAA_Vac) were next examined by various tests that included X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FT-IR), Field emission scanning electron microscopy (FE-SEM), and energy-dispersive X-ray (EDX) analysis. Furthermore, the ability of ZnAA_Vac to degrade melanin was confirmed in both melanoma cell line B16F10, and the artificial human skin MelanoDerm. The results showed that ZnAA_Vac possessed a higher depigmenting effect than the wild-type vacuole or ascorbic acid by reducing 75% of melanin color. Interestingly, ZnAA_Vac was found to be harmless, and did not cause any cytotoxicity to the cells. Overall, ZnAA_Vac is expected to provide a robust, harmless, and effective whitening agent for the skin.
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Affiliation(s)
- Gyeongchan Jeon
- Graduate School of Semiconductor and Chemical Engineering, Jeonbuk National University, 567 Baekje-Daero, Deokjin-Gu, Jeonju-Si, Jeollabuk-do 54896 Republic of Korea
| | - Hyojin Choi
- Graduate School of Semiconductor and Chemical Engineering, Jeonbuk National University, 567 Baekje-Daero, Deokjin-Gu, Jeonju-Si, Jeollabuk-do 54896 Republic of Korea
| | - Dong-Jun Park
- Department of Surgery, University of California, San Diego, USA
| | - Ngoc-Tu Nguyen
- Center for Ecology and Environmental Toxicology (CEET), Chungbuk National University, 1 Chungdae-Ro, Seowon-Gu, Cheongju, Chungbuk-Do 28644 South Korea
| | - Yang-Hoon Kim
- Center for Ecology and Environmental Toxicology (CEET), Chungbuk National University, 1 Chungdae-Ro, Seowon-Gu, Cheongju, Chungbuk-Do 28644 South Korea
- School of Biological Science, Chungbuk National University, Chungdae-Ro 1, Seowon-Gu, Cheongju, Chungbuk-do 28644 Republic of Korea
| | - Jiho Min
- Graduate School of Semiconductor and Chemical Engineering, Jeonbuk National University, 567 Baekje-Daero, Deokjin-Gu, Jeonju-Si, Jeollabuk-do 54896 Republic of Korea
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14
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Wang F, He MM, Xiao J, Zhang YQ, Yuan XL, Fang WJ, Zhang Y, Wang W, Hu XH, Ma ZG, Yao YC, Zhuang ZX, Zhou FX, Ying JE, Yuan Y, Zou QF, Guo ZQ, Wu XY, Jin Y, Mai ZJ, Wang ZQ, Qiu H, Guo Y, Shi SM, Chen SZ, Luo HY, Zhang DS, Wang FH, Li YH, Xu RH. A Randomized, Open-Label, Multicenter, Phase 3 Study of High-Dose Vitamin C Plus FOLFOX ± Bevacizumab versus FOLFOX ± Bevacizumab in Unresectable Untreated Metastatic Colorectal Cancer (VITALITY Study). Clin Cancer Res 2022; 28:4232-4239. [PMID: 35929990 PMCID: PMC9527503 DOI: 10.1158/1078-0432.ccr-22-0655] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2022] [Revised: 05/14/2022] [Accepted: 08/02/2022] [Indexed: 01/07/2023]
Abstract
PURPOSE To compare the efficacy and safety of high-dose vitamin C plus FOLFOX ± bevacizumab versus FOLFOX ± bevacizumab as first-line treatment in patients with metastatic colorectal cancer (mCRC). PATIENTS AND METHODS Between 2017 and 2019, histologically confirmed patients with mCRC (n = 442) with normal glucose-6-phosphate dehydrogenase status and no prior treatment for metastatic disease were randomized (1:1) into a control (FOLFOX ± bevacizumab) and an experimental [high-dose vitamin C (1.5 g/kg/d, intravenously for 3 hours from D1 to D3) plus FOLFOX ± bevacizumab] group. Randomization was based on the primary tumor location and bevacizumab prescription. RESULTS The progression-free survival (PFS) of the experimental group was not superior to the control group [median PFS, 8.6 vs. 8.3 months; HR, 0.86; 95% confidence interval (CI), 0.70-1.05; P = 0.1]. The objective response rate (ORR) and overall survival (OS) of the experimental and control groups were similar (ORR, 44.3% vs. 42.1%; P = 0.9; median OS, 20.7 vs. 19.7 months; P = 0.7). Grade 3 or higher treatment-related adverse events occurred in 33.5% and 30.3% of patients in the experimental and control groups, respectively. In prespecified subgroup analyses, patients with RAS mutation had significantly longer PFS (median PFS, 9.2 vs. 7.8 months; HR, 0.67; 95% CI, 0.50-0.91; P = 0.01) with vitamin C added to chemotherapy than with chemotherapy only. CONCLUSIONS High-dose vitamin C plus chemotherapy failed to show superior PFS compared with chemotherapy in patients with mCRC as first-line treatment but may be beneficial in patients with mCRC harboring RAS mutation.
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Affiliation(s)
- Feng Wang
- State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-sen University Cancer Center, Guangzhou, P.R. China
- Research Unit of Precision Diagnosis and Treatment for Gastrointestinal Cancer, Chinese Academy of Medical Sciences, Guangzhou, P.R. China
- Corresponding Authors: Rui-Hua Xu, Sun Yat-sen University Cancer Center, Guangzhou 510060, P.R. China. Phone: 86-20-8734-3468; E-mail: ; and Feng-Hua Wang,
| | - Ming-Ming He
- State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-sen University Cancer Center, Guangzhou, P.R. China
- Research Unit of Precision Diagnosis and Treatment for Gastrointestinal Cancer, Chinese Academy of Medical Sciences, Guangzhou, P.R. China
| | - Jian Xiao
- The Sixth Affiliated Hospital of Sun Yat-Sen University, Guangzhou, P.R. China
| | - Yan-Qiao Zhang
- Harbin Medical University Cancer Hospital, Harbin, P.R. China
| | - Xiang-Lin Yuan
- Tongji Hospital of Tongji Medical College, Huazhong University of Science and Technology, Wuhan, P.R. China
| | - Wei-Jia Fang
- The First Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, P.R. China
| | - Yan Zhang
- The Sixth Affiliated Hospital of Sun Yat-Sen University, Guangzhou, P.R. China
| | - Wei Wang
- The First People's Hospital of Foshan, Foshan, P.R. China
| | - Xiao-Hua Hu
- The First Affiliated Hospital of Guangxi Medical University, Nanning, P.R. China
| | - Zhi-Gang Ma
- Harbin Medical University Cancer Hospital, Harbin, P.R. China
| | - Yi-Chen Yao
- State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-sen University Cancer Center, Guangzhou, P.R. China
- Research Unit of Precision Diagnosis and Treatment for Gastrointestinal Cancer, Chinese Academy of Medical Sciences, Guangzhou, P.R. China
| | - Zhi-Xiang Zhuang
- The Second Affiliated Hospital of Soochow University, Soochow, P.R. China
| | - Fu-Xiang Zhou
- Zhongnan Hospital of Wuhan University, Hubei Clinical Cancer Study Center, Wuhan, P.R. China
| | - Jie-Er Ying
- Zhejiang Cancer Hospital, Hangzhou, P.R. China
| | - Ying Yuan
- The Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, P.R. China
| | - Qing-Feng Zou
- Affiliated Tumor Hospital of Guangzhou Medical University, Guangzhou, P.R. China
| | - Zeng-Qing Guo
- Clinical Oncology School of Fujian Medical University, Fujian Cancer Hospital, Fuzhou, P.R. China
| | - Xiang-Yuan Wu
- The Third Affiliated Hospital of Sun Yat-Sen University, Guangzhou, P.R. China
| | - Ying Jin
- State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-sen University Cancer Center, Guangzhou, P.R. China
- Research Unit of Precision Diagnosis and Treatment for Gastrointestinal Cancer, Chinese Academy of Medical Sciences, Guangzhou, P.R. China
| | - Zong-Jiong Mai
- State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-sen University Cancer Center, Guangzhou, P.R. China
- Research Unit of Precision Diagnosis and Treatment for Gastrointestinal Cancer, Chinese Academy of Medical Sciences, Guangzhou, P.R. China
| | - Zhi-Qiang Wang
- State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-sen University Cancer Center, Guangzhou, P.R. China
- Research Unit of Precision Diagnosis and Treatment for Gastrointestinal Cancer, Chinese Academy of Medical Sciences, Guangzhou, P.R. China
| | - Hong Qiu
- Tongji Hospital of Tongji Medical College, Huazhong University of Science and Technology, Wuhan, P.R. China
| | - Ying Guo
- State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-sen University Cancer Center, Guangzhou, P.R. China
| | - Si-Mei Shi
- State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-sen University Cancer Center, Guangzhou, P.R. China
- Research Unit of Precision Diagnosis and Treatment for Gastrointestinal Cancer, Chinese Academy of Medical Sciences, Guangzhou, P.R. China
| | - Shuang-Zhen Chen
- State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-sen University Cancer Center, Guangzhou, P.R. China
- Research Unit of Precision Diagnosis and Treatment for Gastrointestinal Cancer, Chinese Academy of Medical Sciences, Guangzhou, P.R. China
| | - Hui-Yan Luo
- State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-sen University Cancer Center, Guangzhou, P.R. China
- Research Unit of Precision Diagnosis and Treatment for Gastrointestinal Cancer, Chinese Academy of Medical Sciences, Guangzhou, P.R. China
| | - Dong-Sheng Zhang
- State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-sen University Cancer Center, Guangzhou, P.R. China
- Research Unit of Precision Diagnosis and Treatment for Gastrointestinal Cancer, Chinese Academy of Medical Sciences, Guangzhou, P.R. China
| | - Feng-Hua Wang
- State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-sen University Cancer Center, Guangzhou, P.R. China
- Research Unit of Precision Diagnosis and Treatment for Gastrointestinal Cancer, Chinese Academy of Medical Sciences, Guangzhou, P.R. China
| | - Yu-Hong Li
- State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-sen University Cancer Center, Guangzhou, P.R. China
- Research Unit of Precision Diagnosis and Treatment for Gastrointestinal Cancer, Chinese Academy of Medical Sciences, Guangzhou, P.R. China
| | - Rui-Hua Xu
- State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-sen University Cancer Center, Guangzhou, P.R. China
- Research Unit of Precision Diagnosis and Treatment for Gastrointestinal Cancer, Chinese Academy of Medical Sciences, Guangzhou, P.R. China
- Corresponding Authors: Rui-Hua Xu, Sun Yat-sen University Cancer Center, Guangzhou 510060, P.R. China. Phone: 86-20-8734-3468; E-mail: ; and Feng-Hua Wang,
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15
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Maekawa T, Miyake T, Tani M, Uemoto S. Diverse antitumor effects of ascorbic acid on cancer cells and the tumor microenvironment. Front Oncol 2022; 12:981547. [PMID: 36203466 PMCID: PMC9531273 DOI: 10.3389/fonc.2022.981547] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2022] [Accepted: 08/25/2022] [Indexed: 11/13/2022] Open
Abstract
Ascorbic acid has attracted substantial attention for its potential antitumor effects by acting as an antioxidant in vivo and as a cofactor in diverse enzymatic reactions. However, solid proof of its clinical efficacy against cancer and the mechanism behind its effect have not been established. Moreover, cancer forms cancer-specific microenvironments and interacts with various cells, such as cancer-associated fibroblasts (CAFs), to maintain cancer growth and progression; however, the effect of ascorbic acid on the cancer microenvironment is unclear. This review discusses the effects and mechanisms of ascorbic acid on cancer, including the role of ascorbic acid concentration. In addition, we present future perspectives on the effects of ascorbic acid on cancer cells and the CAF microenvironment. Ascorbic acid has a variety of effects, which contributes to the complexity of these effects. Oral administration of ascorbic acid results in low blood concentrations (<0.2 mM) and acts as a cofactor for antioxidant effects, collagen secretion, and HIFα degradation. In contrast, intravenous treatment achieves large blood concentrations (>1 mM) and has oxidative-promoting actions that exert anticancer effects via reactive oxygen species. Therefore, intravenous administration at high concentrations is required to achieve the desired effects on cancer cells during treatment. Partial data on the effect of ascorbic acid on fibroblasts indicate that it may also modulate collagen secretion in CAFs and impart tumor-suppressive effects. Thus, future studies should verify the effect of ascorbic acid on CAFs. The findings of this review can be used to guide further research and clinical trials.
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Affiliation(s)
- Takeru Maekawa
- Division of Gastrointestinal, Breast, Pediatric, and General Surgery, Department of Surgery, Shiga University of Medical Science, Otsu, Japan
| | - Toru Miyake
- Division of Gastrointestinal, Breast, Pediatric, and General Surgery, Department of Surgery, Shiga University of Medical Science, Otsu, Japan
- *Correspondence: Toru Miyake,
| | - Masaji Tani
- Division of Gastrointestinal, Breast, Pediatric, and General Surgery, Department of Surgery, Shiga University of Medical Science, Otsu, Japan
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16
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Grudlewska-Buda K, Wiktorczyk-Kapischke N, Budzyńska A, Kwiecińska-Piróg J, Przekwas J, Kijewska A, Sabiniarz D, Gospodarek-Komkowska E, Skowron K. The Variable Nature of Vitamin C—Does It Help When Dealing with Coronavirus? Antioxidants (Basel) 2022; 11:antiox11071247. [PMID: 35883738 PMCID: PMC9312329 DOI: 10.3390/antiox11071247] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2022] [Revised: 06/21/2022] [Accepted: 06/22/2022] [Indexed: 02/06/2023] Open
Abstract
Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) is still spreading worldwide. For this reason, new treatment methods are constantly being researched. Consequently, new and already-known preparations are being investigated to potentially reduce the severe course of coronavirus disease 2019 (COVID-19). SARS-CoV-2 infection induces the production of pro-inflammatory cytokines and acute serum biomarkers in the host organism. In addition to antiviral drugs, there are other substances being used in the treatment of COVID-19, e.g., those with antioxidant properties, such as vitamin C (VC). Exciting aspects of the use of VC in antiviral therapy are its antioxidant and pro-oxidative abilities. In this review, we summarized both the positive effects of using VC in treating infections caused by SARS-CoV-2 in the light of the available research. We have tried to answer the question as to whether the use of high doses of VC brings the expected benefits in the treatment of COVID-19 and whether such treatment is the correct therapeutic choice. Each case requires individual assessment to determine whether the positives outweigh the negatives, especially in the light of populational studies concerning the genetic differentiation of genes encoding the solute carriers responsible forVC adsorption. Few data are available on the influence of VC on the course of SARS-CoV-2 infection. Deducing from already-published data, high-dose intravenous vitamin C (HDIVC) does not significantly lower the mortality or length of hospitalization. However, some data prove, among other things, its impact on the serum levels of inflammatory markers. Finally, the non-positive effect of VC administration is mainly neutral, but the negative effect is that it can result in urinary stones or nephropathies.
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Affiliation(s)
- Katarzyna Grudlewska-Buda
- Department of Microbiology, Ludwik Rydygier Collegium Medicum, Nicolaus Copernicus University in Toruń, 85-094 Bydgoszcz, Poland; (K.G.-B.); (N.W.-K.); (A.B.); (J.K.-P.); (J.P.); (E.G.-K.)
| | - Natalia Wiktorczyk-Kapischke
- Department of Microbiology, Ludwik Rydygier Collegium Medicum, Nicolaus Copernicus University in Toruń, 85-094 Bydgoszcz, Poland; (K.G.-B.); (N.W.-K.); (A.B.); (J.K.-P.); (J.P.); (E.G.-K.)
| | - Anna Budzyńska
- Department of Microbiology, Ludwik Rydygier Collegium Medicum, Nicolaus Copernicus University in Toruń, 85-094 Bydgoszcz, Poland; (K.G.-B.); (N.W.-K.); (A.B.); (J.K.-P.); (J.P.); (E.G.-K.)
| | - Joanna Kwiecińska-Piróg
- Department of Microbiology, Ludwik Rydygier Collegium Medicum, Nicolaus Copernicus University in Toruń, 85-094 Bydgoszcz, Poland; (K.G.-B.); (N.W.-K.); (A.B.); (J.K.-P.); (J.P.); (E.G.-K.)
| | - Jana Przekwas
- Department of Microbiology, Ludwik Rydygier Collegium Medicum, Nicolaus Copernicus University in Toruń, 85-094 Bydgoszcz, Poland; (K.G.-B.); (N.W.-K.); (A.B.); (J.K.-P.); (J.P.); (E.G.-K.)
| | - Agnieszka Kijewska
- Department of Immunobiology and Environmental Biology, Institute of Maritime and Tropical Medicine, Medical University of Gdansk, 80-211 Gdansk, Poland;
| | | | - Eugenia Gospodarek-Komkowska
- Department of Microbiology, Ludwik Rydygier Collegium Medicum, Nicolaus Copernicus University in Toruń, 85-094 Bydgoszcz, Poland; (K.G.-B.); (N.W.-K.); (A.B.); (J.K.-P.); (J.P.); (E.G.-K.)
| | - Krzysztof Skowron
- Department of Microbiology, Ludwik Rydygier Collegium Medicum, Nicolaus Copernicus University in Toruń, 85-094 Bydgoszcz, Poland; (K.G.-B.); (N.W.-K.); (A.B.); (J.K.-P.); (J.P.); (E.G.-K.)
- Correspondence: ; Tel.: +48-(52)-585-38-38
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17
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Vitamin C and its therapeutic potential in the management of COVID19. Clin Nutr ESPEN 2022; 50:8-14. [PMID: 35871955 PMCID: PMC9166267 DOI: 10.1016/j.clnesp.2022.05.026] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2021] [Revised: 04/01/2022] [Accepted: 05/31/2022] [Indexed: 12/18/2022]
Abstract
COVID19 has emerged as one of the worst pandemics in the history of mankind. Several vaccines have been approved by different government agencies worldwide, but data on their efficacy and safety are limited, and distribution remains a massive challenge. As per WHO, personal immunity is vital for protection against COVID19. Earlier, Vitamin C-mediated pathways have been shown to play critical role in boosting immunity attributed to its antioxidant properties. Recently, the involvement of such pathways in protection against COVID19 has been suggested. The controlled doses of Vitamin C administered through intravenous (IV) injections are being studied for determining its role in the prognosis of COVID19. In this article, we have discussed the potential role of Vitamin C in the management in COVID19 patients and presented recent clinical trials data. Additionally, we have elaborated the possibility of administering Vitamin C through inhalers in order to achieve local high concentration and the challenges of such approach.
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Combination Treatment of Omega-3 Fatty Acids and Vitamin C Exhibited Promising Therapeutic Effect against Oxidative Impairment of the Liver in Methotrexate-Intoxicated Mice. BIOMED RESEARCH INTERNATIONAL 2022; 2022:4122166. [PMID: 35496049 PMCID: PMC9045995 DOI: 10.1155/2022/4122166] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/30/2022] [Revised: 03/29/2022] [Accepted: 04/05/2022] [Indexed: 02/07/2023]
Abstract
Drug-induced liver injury (DILI) is the main cause of liver damage mediated by the excretion of toxic active drug metabolites. Omega-3 fatty acids and vitamin C have potent antioxidant, anti-inflammatory, and antiapoptotic effects that could offer protection against oxidative stress and liver damage. This study evaluated the hepatoprotective effect of omega-3 and vitamin C alone as well as in a combined form in methotrexate- (MTX-) induced acute liver injury in mice. Male ICR mice of seven groups (7 mice per group) were used. Groups 1 (control group) and 2 (MTX) received 0.9% saline/day (po) for 9 days. Groups 3 and 4 received 100 and 200 mg/kg bw/day omega-3 (po), respectively, for 9 days. Groups 5 and 6 received 100 and 200 mg/kg bw/day vitamin C (po), respectively, for 9 days, while group 7 received omega-3 (100 mg/kg bw/day) and vitamin C (100 mg/kg bw/day) (po) for 9 days. All animals in groups 2 to 7 received 20 mg/kg/day MTX (I.P.) once on the 10th day. Our results revealed that MTX significantly induced the elevation of transaminases, alkaline phosphates (ALP), lactate dehydrogenase (LDH), and malonaldehyde (MDA) while depleting the levels of superoxide dismutase (SOD) and glutathione (GSH) when compared to the control group. Treatment with omega-3 fatty acids or vitamin C significantly attenuated the antioxidants and biochemical alterations in a dose-independent manner. Our molecular docking study of ligand-receptor interaction revealed that both ascorbic acid and omega-3 docked well to the binding cavity of LDH with high binding affinities of –5.20 and –4.50 kcal/mol, respectively. The histopathological features were also improved by treatment with omega-3 and vitamin C. The combined form of omega-3 and vitamin C showed a remarkable improvement in the liver enzymes, oxidative stress biomarkers, and the histopathological architecture of the mice. Conclusively, the combination of omega-3 and vitamin C demonstrated a synergistic therapeutic effect against MTX-intoxicated mice, hence representing a potential novel strategy for the management of drug-induced liver disorders.
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19
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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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Coppock D, Violet PC, Vasquez G, Belden K, Foster M, Mullin B, Magee D, Mikell I, Shah L, Powers V, Curcio B, Monti D, Levine M. Pharmacologic Ascorbic Acid as Early Therapy for Hospitalized Patients with COVID-19: A Randomized Clinical Trial. Life (Basel) 2022; 12:453. [PMID: 35330204 PMCID: PMC8954118 DOI: 10.3390/life12030453] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2022] [Revised: 03/08/2022] [Accepted: 03/15/2022] [Indexed: 01/29/2023] Open
Abstract
Despite the widespread availability of effective vaccines, new cases of infection with severe acute respiratory syndrome coronavirus-2, the cause of coronavirus disease 2019 (COVID-19), remain a concern in the settings of vaccine hesitancy and vaccine breakthrough. In this randomized, controlled, phase 2 trial, we hypothesized that high-dose ascorbic acid delivered intravenously to achieve pharmacologic concentrations may target the high viral phase of COVID-19 and thus improve early clinical outcomes. Sixty-six patients admitted with COVID-19 and requiring supplemental oxygen were randomized to receive either escalating doses of intravenous ascorbic acid plus standard of care or standard of care alone. The demographic and clinical characteristics were well-balanced between the two study arms. The primary outcome evaluated in this study was clinical improvement at 72 h after randomization. While the primary outcome was not achieved, point estimates for the composite outcome and its individual components of decreased use of supplemental oxygen, decreased use of bronchodilators, and the time to discharge were all favorable for the treatment arm. Possible favorable effects of ascorbic acid were most apparent during the first 72 h of hospitalization, although these effects disappeared over the course of the entire hospitalization. Future larger trials of intravenous ascorbic acid should be based on our current understanding of COVID-19 with a focus on the potential early benefits of ascorbic in hospitalized patients.
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Affiliation(s)
- Dagan Coppock
- Division of Infectious Diseases, Department of Medicine, Sidney Kimmel Medical College, Thomas Jefferson University, 1015 Chestnut Street, Philadelphia, PA 19107, USA; (G.V.); (K.B.)
| | - Pierre-Christian Violet
- Molecular and Clinical Nutrition Section, National Institute of Diabetes and Digestive and Kidney Diseases, National Institutes of Health, 10 Center Drive, Bethesda, MD 20892, USA;
| | - Gustavo Vasquez
- Division of Infectious Diseases, Department of Medicine, Sidney Kimmel Medical College, Thomas Jefferson University, 1015 Chestnut Street, Philadelphia, PA 19107, USA; (G.V.); (K.B.)
| | - Katherine Belden
- Division of Infectious Diseases, Department of Medicine, Sidney Kimmel Medical College, Thomas Jefferson University, 1015 Chestnut Street, Philadelphia, PA 19107, USA; (G.V.); (K.B.)
| | - Michael Foster
- Jefferson Clinical Research Institute, Thomas Jefferson University, 833 Chestnut Street, Philadelphia, PA 19107, USA; (M.F.); (B.M.); (D.M.)
| | - Bret Mullin
- Jefferson Clinical Research Institute, Thomas Jefferson University, 833 Chestnut Street, Philadelphia, PA 19107, USA; (M.F.); (B.M.); (D.M.)
| | - Devon Magee
- Jefferson Clinical Research Institute, Thomas Jefferson University, 833 Chestnut Street, Philadelphia, PA 19107, USA; (M.F.); (B.M.); (D.M.)
| | - Isabelle Mikell
- Sidney Kimmel Medical College, Thomas Jefferson University, 1015 Walnut Street, Philadelphia, PA 19107, USA; (I.M.); (L.S.); (V.P.)
| | - Lokesh Shah
- Sidney Kimmel Medical College, Thomas Jefferson University, 1015 Walnut Street, Philadelphia, PA 19107, USA; (I.M.); (L.S.); (V.P.)
| | - Victoria Powers
- Sidney Kimmel Medical College, Thomas Jefferson University, 1015 Walnut Street, Philadelphia, PA 19107, USA; (I.M.); (L.S.); (V.P.)
| | - Brian Curcio
- Division of Biostatistics, Department of Pharmacology and Experimental Therapeutics, Sidney Kimmel Medical College, Thomas Jefferson University, 1015 Chestnut Street, Philadelphia, PA 19107, USA;
| | - Daniel Monti
- Department of Integrative Medicine and Nutritional Sciences, Sidney Kimmel Medical College, Thomas Jefferson University, 925 Chestnut Street, Philadelphia, PA 19107, USA;
| | - Mark Levine
- Molecular and Clinical Nutrition Section, National Institute of Diabetes and Digestive and Kidney Diseases, National Institutes of Health, 10 Center Drive, Bethesda, MD 20892, USA;
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Panahibakhsh M, Amiri F, Doroudi T, Sadeghi M, Kolivand P, Alipour F, Gorji A. The association between micronutrients and the SARS-CoV-2-specific antibodies in convalescent patients. Infection 2022; 50:965-972. [PMID: 35190974 PMCID: PMC8860137 DOI: 10.1007/s15010-022-01774-2] [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: 10/11/2021] [Accepted: 02/02/2022] [Indexed: 12/01/2022]
Abstract
BACKGROUND Various micronutrients play key roles in the immune responses to viral infection, antibody synthesis, and susceptibility to infection. This study aimed to investigate the role of micronutrients on the immune responses following SARS-CoV-2 infection. METHODS To evaluate humoral immunity following SARS-CoV-2 infection, the levels of SARS-CoV-2-specific IgM and IgG, as well as the concentrations of different micronutrients, were determined in 36 convalescent COVID-19 patients 60 days after infection. Furthermore, the correlation between biochemical and hematological parameters, clinical features, and the changes in adiposity with SARS-CoV-2 antibodies was evaluated. RESULTS Serum IgM and IgG antibodies were detected in 38.8% and 83.3% of recovered patients after 60 days of COVID-19 infection, respectively. The values of SARS-CoV-2-specific IgG were negatively correlated with the number of the platelet. Moreover, the values of SARS-CoV-2-specific IgM were positively correlated with LDH and the vitamin B12 concentration. Furthermore, a gender-specific association of SARS-CoV-2-specific IgG and IgM with vitamins D as well as with B9 and zinc was observed. A significant negative correlation was observed between the values of IgG with vitamin D in male participants and a positive correlation was detected between IgG values and B9 in female participants. Moreover, IgM levels with serum zinc values in females were negatively correlated. CONCLUSION Our study suggests the potential role of micronutrients in gender-specific humoral immunity following SARS-CoV-2 infection. Further studies are required with a greater sample of subjects to substantiate the validity and robustness of our findings.
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Affiliation(s)
| | - Faramarz Amiri
- Shefa Neuroscience Research Center, Khatam Alanbia Hospital, Tehran, Iran
| | - Taher Doroudi
- Shefa Neuroscience Research Center, Khatam Alanbia Hospital, Tehran, Iran
| | - Mostafa Sadeghi
- Department of Anesthesiology, Tehran University of Medical Sciences, Tehran, Iran
| | | | - Fatemeh Alipour
- Shefa Neuroscience Research Center, Khatam Alanbia Hospital, Tehran, Iran
| | - Ali Gorji
- Neuroscience Research Center, Mashhad University of Medical Sciences, Mashhad, Iran. .,Epilepsy Research Center, Westfälische Wilhelms-Universität, Münster, Germany. .,Department of Neurosurgery, Westfälische Wilhelms-Universität, Münster, Germany. .,Department of Neurology with Institute of Translational Neurology, Westfälische Wilhelms-Universität, Münster, Germany.
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Tomatoes: An Extensive Review of the Associated Health Impacts of Tomatoes and Factors That Can Affect Their Cultivation. BIOLOGY 2022; 11:biology11020239. [PMID: 35205105 PMCID: PMC8869745 DOI: 10.3390/biology11020239] [Citation(s) in RCA: 28] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/06/2022] [Revised: 01/31/2022] [Accepted: 02/01/2022] [Indexed: 02/01/2023]
Abstract
Simple Summary The research outlined in this review paper discusses potential health benefits associated with a diet enriched with tomatoes and tomato products. This includes details of previous studies investigating the anticancer properties of tomatoes, protection against cardiovascular and neurodegenerative diseases and diabetes, maintenance of a healthy gut microbiome, and improved skin health, fertility, immune response, and exercise recovery. The specific parts of a tomato fruit that contribute these health benefits are also outlined. The potential disadvantages to a tomato-rich diet are detailed, especially the consumption of supplements that contain compounds found in tomatoes, such as lycopene. This review also discusses how the cultivation of tomato plants can affect the nutritional value of the fruit harvested. Different environmental growing conditions such as light intensity, growing media, and temperature are explained in terms of the impact they have on the quality of fruit, its nutrient content, and hence the potential health benefits acquired from eating the fruit. Abstract This review outlines the health benefits associated with the regular consumption of tomatoes and tomato products. The first section provides a detailed account of the horticultural techniques that can impact the quality of the fruit and its nutritional properties, including water availability, light intensity, temperature, and growing media. The next section provides information on the components of tomato that are likely to contribute to its health effects. The review then details some of the health benefits associated with tomato consumption, including anticancer properties, cardiovascular and neurodegenerative diseases and skin health. This review also discusses the impact tomatoes can have on the gut microbiome and associated health benefits, including reducing the risk of inflammatory bowel diseases. Other health benefits of eating tomatoes are also discussed in relation to effects on diabetes, the immune response, exercise recovery, and fertility. Finally, this review also addresses the negative effects that can occur as a result of overconsumption of tomato products and lycopene supplements.
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Easy-to-Use HPLC Method to Measure Intracellular Ascorbic Acid Levels in Human Peripheral Blood Mononuclear Cells and in Plasma. Antioxidants (Basel) 2022; 11:antiox11010134. [PMID: 35052638 PMCID: PMC8773372 DOI: 10.3390/antiox11010134] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2021] [Revised: 01/02/2022] [Accepted: 01/04/2022] [Indexed: 02/06/2023] Open
Abstract
Given the growing interest in ascorbic acid (AA), there is a need for a reliable and reproducible method to measure AA status in the human body. Serum AA concentrations do not correlate well with tissue levels, but AA levels in leukocytes do. However, a standard method for clinical application is lacking. This present study describes a method to measure AA in the peripheral blood mononuclear cells (PBMCs) with hydrophilic interaction liquid chromatography (HILIC). The method can also be used in plasma and other leukocyte subsets. The measurements of AA in PBMCs and plasma were performed with HPLC with HILIC separation and UV detection. The sample preparation involved the isolation of PBMCs and lysis and precipitation with acetonitrile. European Medicine Agency guidelines for bioanalytic method validation were followed for the evaluation. A highly precise execution of the method was found with intra- and inter-assay variations at a maximum of 7.8%. In 40 healthy donors, a mean intracellular AA concentration of 7.9 microgram/108 cells was found in PBMCs. A correlation between plasma and PBMC AA concentration was not present (r = 0.22). In conclusion, we developed a convenient, reliable, and reproducible method for the quantitative determination of AA within PBMCs and plasma from human blood.
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Mirkamali M, Momeni HR, Etemadi T, Mosayebi G, Komijani M. Involvement of caspase-3 in apoptosis of human lymphocytes exposed to cadmium chloride. Hum Exp Toxicol 2022; 41:9603271221121796. [PMID: 36036252 DOI: 10.1177/09603271221121796] [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: 11/16/2022]
Abstract
BACKGROUND Lymphocytes are a group of white blood cells with a variety of roles their integrity is crucial for the body's immune responses. Cadmium, a heavy metal and environmental pollutant, is known as a toxicant to exert its adverse effects on some sort of cells including blood cells. RESEARCH DESIGN In this study, human lymphocytes were divided into 3 groups: (1) lymphocytes at 0-h, (2) lymphocytes at 24 h (control), (3) lymphocytes treated with cadmium chloride (15 μM). Lymphocyte viability and plasma membrane integrity were assessed in these groups. In addition, the occurrence of apoptosis was investigated by assessment of nucleus diameter and flow cytometry. Activation of caspase-3 was also detected by immunocytochemistry. RESULTS Result showed that lymphocyte's viability and plasma membrane integrity decreased in lymphocytes treated with cadmium as compared with the control group. Decreased nucleus diameter and result of flow cytometry demonstrated cadmium-induced apoptosis in human lymphocytes. Furthermore, lymphocytes treated with cadmium displayed intensely activated caspase-3 immunoreactivity in their cytoplasm. CONCLUSION In conclusion, cadmium not only negatively effect on viability and plasma membrane, but also induces caspase-dependent apoptosis in human lymphocytes.
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Affiliation(s)
- Mona Mirkamali
- Biology Department, Faculty of Science, 125649Arak University, Arak, Iran
| | - Hamid Reza Momeni
- Biology Department, Faculty of Science, 125649Arak University, Arak, Iran
| | - Tahereh Etemadi
- Biology Department, Faculty of Science, 125649Arak University, Arak, Iran
| | - Ghasem Mosayebi
- Department of Microbiology and Immunology, Molecular and Medicine Research Center (MMRC), 48412Arak University of Medical Sciences, Arak, Iran
| | - Majid Komijani
- Biology Department, Faculty of Science, 125649Arak University, Arak, Iran
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Therapeutic options in coronavirus treatment. CORONAVIRUS DRUG DISCOVERY 2022. [PMCID: PMC9217689 DOI: 10.1016/b978-0-323-85156-5.00021-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
This chapter details the various therapeutic options available for the treatment of the novel coronavirus, SARS-CoV-2, that has brought the world to a standstill. As at 3.53 CEST, June 28, 2020, WHO reported 9,843,073 confirmed cases of COVID-19, with a death toll of 495,760. The rate of the spread of this disease is alarming posing serious threat to the world healthcare system. Clinical investigations and research are on the way for the development of vaccines or antiviral drugs. Despite this effort, no medication has been found to be very effective for its treatment. In this chapter, emphasis was laid on the need for repurposing of antiviral drugs to combat COVID-19 along with other alternatives such as convalescent plasma therapy and exploitation of drugs from medicinal plants and other natural resources.
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Marsella CP, Taslim NA, Syam N, Syauki AY. Medical nutrition therapy in hemodynamically unstable patients due to cardiogenic shock with infected bronchiectasis and severe protein-energy malnutrition. GACETA SANITARIA 2021; 35 Suppl 2:S506-S509. [PMID: 34929887 DOI: 10.1016/j.gaceta.2021.10.081] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/28/2021] [Accepted: 07/30/2021] [Indexed: 11/16/2022]
Abstract
OBJECTIVE Cardiogenic shock is defined as tissue hypoperfusion due to cardiac dysfunction. It is associated with hemodynamic unstability and elevated arterial lactate as one indicator for anaerobic metabolism. Hypercatabolic state in this condition leads to increasing nutritional requirement and negative nitrogen balance. Therefore, medical nutrition therapy by considering metabolic tolerance can prevent further metabolic deterioration and loss of lean mass and improve the patient's clinical outcome. METHODS A 44-years-old female patient with severe protein-energy malnutrition (Subjective Global Assessment Score C; MUAC 15cm) suffered from hemodynamic unstability due to cardiogenic shock and infected bronchiectasis at the infection center of Wahidin Sudirohusodo Hospital. Intake was postponed due to mean arterial pressure 56mmHg on vasopressor support and oxygen saturation below 93%. Physical examinations showed loss of subcutaneous fat, lung crackles and wheezing, muscle wasting, and pretibial edema. Laboratory assessments showed elevated arterial lactate (3.2mmol/L), hypoalbuminemia (2.4g/dL), lymphocytopenia (650/μL), elevated liver enzymes (SGOT 780U/L; SGPT 868U/L), and urine urea nitrogen (5g/24h). Nutritional therapy was started after mean arterial pressure ≥65mmHg with a stable dosage of the vasopressor drug and decreased arterial lactate level to 2.2mmol/L then given gradually with a target calorie of 1500kcal and protein 1.5-1.8g/kg ideal body weight/day using high protein diet. Arterial lactate and blood gass analyses were controlled every day to determine the target of nutritional therapy day by the day. Snakehead fish extract, zinc, vitamin B complex, Thiamine, vitamin C, vitamin A, vitamin D3, and Curcumin were supplied. RESULT After 15 days of nutritional therapy, the patient was discharged from the hospital with stable hemodynamic without vasopressor support, adequate nutritional intake, improvement of anthropometric parameters, and laboratory test results (arterial lactate 1.6mmol/L, albumin 3.1g/dL, lymphocyte 1.871/μL, SGOT 34U/L, SGPT 41U/L, urine urea nitrogen 0.72g/24h). CONCLUSION Adequate nutritional therapy, which is planned by evaluating hemodynamic tolerance, can improve patient clinical outcomes and positive nitrogen balance in the hemodynamically unstable patient.
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Affiliation(s)
- Caroline Prisilia Marsella
- Clinical Nutrition Specialist Program, Department of Nutrition, Hasanuddin University School of Medicine, Makassar, Indonesia.
| | | | - Nurbaya Syam
- Department of Nutrition, Hasanuddin University School of Medicine, Makassar, Indonesia
| | - Andi Yasmin Syauki
- Department of Nutrition, Hasanuddin University School of Medicine, Makassar, Indonesia
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Uddin MS, Millat MS, Baral PK, Ferdous M, Uddin MG, Sarwar MS, Islam MS. The protective role of vitamin C in the management of COVID-19: A Review. JOURNAL OF THE EGYPTIAN PUBLIC HEALTH ASSOCIATION 2021; 96:33. [PMID: 34894332 PMCID: PMC8665316 DOI: 10.1186/s42506-021-00095-w] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/27/2020] [Accepted: 11/13/2021] [Indexed: 12/22/2022]
Abstract
Background The outbreak of coronavirus infectious disease-2019 (COVID-19) is globally deemed a significant threat to human life. Researchers are searching for prevention strategies, mitigation interventions, and potential therapeutics that may reduce the infection’s severity. One such means that is highly being talked in online and in social media is vitamin C. Main text Vitamin C is a robust antioxidant that boosts the immune system of the human body. It helps in normal neutrophil function, scavenging of oxidative species, regeneration of vitamin E, modulation of signaling pathways, activation of pro-inflammatory transcription factors, activation of the signaling cascade, regulation of inflammatory mediators, and phagocytosis and increases neutrophil motility to the site of infection. All of these immunological functions are required for the prevention of COVID-19 infection. Conclusion Considering the role of vitamin C, it would be imperative to administrate vitamin C for the management of severe COVID-19. However, there is no specific clinical data available to confirm the use of vitamin C in the current pandemic.
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Affiliation(s)
- Mohammad Sarowar Uddin
- Department of Pharmacy, Noakhali Science & Technology University, Noakhali, 3814, Bangladesh.
| | - Md Shalahuddin Millat
- Department of Pharmacy, Noakhali Science & Technology University, Noakhali, 3814, Bangladesh
| | - Prodip Kumar Baral
- Department of Pharmacy, Noakhali Science & Technology University, Noakhali, 3814, Bangladesh
| | - Mahmuda Ferdous
- Department of Pharmacy, Noakhali Science & Technology University, Noakhali, 3814, Bangladesh
| | - Md Giash Uddin
- Department of Pharmacy, University of Chittagong, Chittagong, 4331, Bangladesh
| | - Md Shahid Sarwar
- Department of Pharmacy, Noakhali Science & Technology University, Noakhali, 3814, Bangladesh
| | - Mohammad Safiqul Islam
- Department of Pharmacy, Noakhali Science & Technology University, Noakhali, 3814, Bangladesh
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Bebeshko VG, Bruslova KM, Lyashenko LO, Pushkariova TI, Tsvetkova NM, Galkina SG, Vasylenko VV, Yaroshenko ZS, Zaitseva AL, Gonchar LO, Yatsemirskyi SM. ASSESSMENT OF QUALITATIVE CHANGES IN PERIPHERAL BLOOD CELLS IN CHILDREN - RESIDENTS OF RADIOLOGICALLY CONTAMINATED TERRITORIES IN THE LATE PERIOD AFTER THE ChNPP ACCIDENT. PROBLEMY RADIATSIINOI MEDYTSYNY TA RADIOBIOLOHII 2021; 26:297-308. [PMID: 34965556 DOI: 10.33145/2304-8336-2021-26-297-308] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/15/2021] [Indexed: 06/14/2023]
Abstract
OBJECTIVE to establish the relationship between quantitative and qualitative parameters of peripheral blood cells(lymphocytes, neutrophilic granulocytes, monocytes, platelets) depending on the type of somatic diseases andannual internal radiation doses from 137Cs in children - residents of radiologically contaminated territories in thelate period after the Chornobyl Nuclear Power Plant (ChNPP) accident. MATERIALS AND METHODS There were 175 children included in the study comprising residents of radiologically con-taminated territories (n = 79) aged from 4 to 18 years. Annual internal radiation doses in children from 137Cs rangedfrom 0.004 to 0.067 mSv. Certain blood parameters were assessed in a comparative mode in children having got theradiation doses up to 0.01 mSv and higher. The comparison group (n = 96) included children living in settlementsnot attributed to the radiologically contaminated ones. Incidence and type of somatic diseases and its impact onquantitative and qualitative changes in blood parameters (i.e. lymphocyte, neutrophilic granulocyte, monocyte, andplatelet count) were studied. The cell size, state of nucleus, membranes and cytoplasm, signs of proliferative anddegenerative processes were taken into account. RESULTS Incidence and type of somatic diseases in children did not depend on the annual internal radiation dose.Number of cases of monocytosis was significantly higher among the children exposed to ionizing radiation than inthe comparison group (16.6 % vs. 7.3 %). There were, however, no correlation between these changes and radiationdoses. Number of activated blood monocytes with cytoplasmic basophilia and residues of nucleoli in nuclei washigher in individuals with internal radiation doses > 0.01 mSv. A direct correlation between the qualitative param-eters of monocytes and internal radiation doses was established (rs = 0.60; р < 0.001), as well as a direct correlationof different strength between qualitative parameters of blood cells, indicating their unidirectional pattern depend-ing on the somatic morbid conditions. Regardless of annual internal radiation dose, there was an increase in thenumber of degenerative and aberrant cells vs. the comparison group (р < 0.05), which could be due to the role ofnon-radiation factors. CONCLUSIONS Results of the assessment of quantitative and qualitative parameters of peripheral blood cells reflect-ed the state of morbid conditions in children and are of a diagnostic value. The identified dose-dependent changesin monocyte lineage of hematopoiesis may be the markers of impact of long-term radionuclide incorporation withfood in children living in environmentally unfavorable conditions after the ChNPP accident.
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Affiliation(s)
- V G Bebeshko
- State Institution «National Research Center for Radiation Medicine of the National Academy of MedicalSciences of Ukraine», 53 Yuriia Illienka Str., Kyiv, 04050, Ukraine
| | - K M Bruslova
- State Institution «National Research Center for Radiation Medicine of the National Academy of MedicalSciences of Ukraine», 53 Yuriia Illienka Str., Kyiv, 04050, Ukraine
| | - L O Lyashenko
- State Institution «National Research Center for Radiation Medicine of the National Academy of MedicalSciences of Ukraine», 53 Yuriia Illienka Str., Kyiv, 04050, Ukraine
| | - T I Pushkariova
- State Institution «National Research Center for Radiation Medicine of the National Academy of MedicalSciences of Ukraine», 53 Yuriia Illienka Str., Kyiv, 04050, Ukraine
| | - N M Tsvetkova
- State Institution «National Research Center for Radiation Medicine of the National Academy of MedicalSciences of Ukraine», 53 Yuriia Illienka Str., Kyiv, 04050, Ukraine
| | - S G Galkina
- State Institution «National Research Center for Radiation Medicine of the National Academy of MedicalSciences of Ukraine», 53 Yuriia Illienka Str., Kyiv, 04050, Ukraine
| | - V V Vasylenko
- State Institution «National Research Center for Radiation Medicine of the National Academy of MedicalSciences of Ukraine», 53 Yuriia Illienka Str., Kyiv, 04050, Ukraine
| | - Zh S Yaroshenko
- State Institution «National Research Center for Radiation Medicine of the National Academy of MedicalSciences of Ukraine», 53 Yuriia Illienka Str., Kyiv, 04050, Ukraine
| | - A L Zaitseva
- State Institution «National Research Center for Radiation Medicine of the National Academy of MedicalSciences of Ukraine», 53 Yuriia Illienka Str., Kyiv, 04050, Ukraine
| | - L O Gonchar
- State Institution «National Research Center for Radiation Medicine of the National Academy of MedicalSciences of Ukraine», 53 Yuriia Illienka Str., Kyiv, 04050, Ukraine
| | - S M Yatsemirskyi
- State Institution «National Research Center for Radiation Medicine of the National Academy of MedicalSciences of Ukraine», 53 Yuriia Illienka Str., Kyiv, 04050, Ukraine
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Crook J, Horgas A, Yoon SJ, Grundmann O, Johnson-Mallard V. Insufficient Vitamin C Levels among Adults in the United States: Results from the NHANES Surveys, 2003-2006. Nutrients 2021; 13:nu13113910. [PMID: 34836166 PMCID: PMC8625707 DOI: 10.3390/nu13113910] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2021] [Revised: 10/26/2021] [Accepted: 10/29/2021] [Indexed: 01/08/2023] Open
Abstract
Vitamin C, well-established in immune function and a key factor in epigenetic inflammatory modifications, is only obtained through consistent dietary intake. Identifying individuals at risk for Vitamin C insufficiency may guide prevention and treatment, however, national surveillance has not been evaluated in the United States since 2006. A descriptive, cross-sectional secondary analysis was performed utilizing data from the 2003–2006 National Health and Nutrition Examination Surveys (NHANES) assessing non-institutionalized adults. Five categories of plasma Vitamin C were delineated: deficiency (<11 μmol/L), hypovitaminosis (11–23 μmol/L), inadequate (23–49 μmol/L), adequate (50–69 μmol/L), and saturating (≥70 μmol/L). Results indicated 41.8% of the population possessed insufficient levels (deficiency, hypovitaminosis, and inadequate) of Vitamin C. Males, adults aged 20–59, Black and Mexican Americans, smokers, individuals with increased BMI, middle and high poverty to income ratio and food insecurity were significantly associated with insufficient Vitamin C plasma levels. Plasma Vitamin C levels reveal a large proportion of the population still at risk for inflammatory driven disease with little to no symptoms of Vitamin C hypovitaminosis. Recognition and regulation of the health impact of Vitamin C support the goal of Nutrition and Healthy Eating as part of the Healthy People 2030.
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Affiliation(s)
- Jennifer Crook
- Center for Health Equity and Community Engagement Research, Mayo Clinic Hospital, Jacksonville, FL 32224, USA
- Correspondence:
| | - Ann Horgas
- Biobehavioral Nursing Science, College of Nursing, University of Florida, Gainesville, FL 32610, USA; (A.H.); (S.-J.Y.)
| | - Saun-Joo Yoon
- Biobehavioral Nursing Science, College of Nursing, University of Florida, Gainesville, FL 32610, USA; (A.H.); (S.-J.Y.)
| | - Oliver Grundmann
- Entrepreneurial Programs in Medicinal Chemistry, College of Pharmacy, University of Florida, Gainesville, FL 32610, USA;
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Böttger F, Vallés-Martí A, Cahn L, Jimenez CR. High-dose intravenous vitamin C, a promising multi-targeting agent in the treatment of cancer. JOURNAL OF EXPERIMENTAL & CLINICAL CANCER RESEARCH : CR 2021; 40:343. [PMID: 34717701 PMCID: PMC8557029 DOI: 10.1186/s13046-021-02134-y] [Citation(s) in RCA: 42] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/13/2021] [Accepted: 10/07/2021] [Indexed: 12/21/2022]
Abstract
Mounting evidence indicates that vitamin C has the potential to be a potent anti-cancer agent when administered intravenously and in high doses (high-dose IVC). Early phase clinical trials have confirmed safety and indicated efficacy of IVC in eradicating tumour cells of various cancer types. In recent years, the multi-targeting effects of vitamin C were unravelled, demonstrating a role as cancer-specific, pro-oxidative cytotoxic agent, anti-cancer epigenetic regulator and immune modulator, reversing epithelial-to-mesenchymal transition, inhibiting hypoxia and oncogenic kinase signalling and boosting immune response. Moreover, high-dose IVC is powerful as an adjuvant treatment for cancer, acting synergistically with many standard (chemo-) therapies, as well as a method for mitigating the toxic side-effects of chemotherapy. Despite the rationale and ample evidence, strong clinical data and phase III studies are lacking. Therefore, there is a need for more extensive awareness of the use of this highly promising, non-toxic cancer treatment in the clinical setting. In this review, we provide an elaborate overview of pre-clinical and clinical studies using high-dose IVC as anti-cancer agent, as well as a detailed evaluation of the main known molecular mechanisms involved. A special focus is put on global molecular profiling studies in this respect. In addition, an outlook on future implications of high-dose vitamin C in cancer treatment is presented and recommendations for further research are discussed.
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Affiliation(s)
- Franziska Böttger
- Department of Medical Oncology, Cancer Center Amsterdam, OncoProteomics Laboratory, Amsterdam UMC, Location VU University Medical Center, 1081 HV, Amsterdam, the Netherlands
| | - Andrea Vallés-Martí
- Department of Medical Oncology, Cancer Center Amsterdam, OncoProteomics Laboratory, Amsterdam UMC, Location VU University Medical Center, 1081 HV, Amsterdam, the Netherlands
| | - Loraine Cahn
- Department of Medical Oncology, Cancer Center Amsterdam, OncoProteomics Laboratory, Amsterdam UMC, Location VU University Medical Center, 1081 HV, Amsterdam, the Netherlands
| | - Connie R Jimenez
- Department of Medical Oncology, Cancer Center Amsterdam, OncoProteomics Laboratory, Amsterdam UMC, Location VU University Medical Center, 1081 HV, Amsterdam, the Netherlands.
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Yuen RCF, Tsao SY. Embracing cancer immunotherapy with vital micronutrients. World J Clin Oncol 2021; 12:712-724. [PMID: 34631438 PMCID: PMC8479349 DOI: 10.5306/wjco.v12.i9.712] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/05/2021] [Revised: 06/16/2021] [Accepted: 08/03/2021] [Indexed: 02/06/2023] Open
Abstract
Immunotherapy is now commonly prescribed to cancer patients, but autoimmune-related adverse events are considerable. For severe, life-threatening side effects, cessation of therapy seems unavoidable, let alone intensive medical care required for patching up the adverse events. Even without serious adverse events, the response rates are too low and various combinatory regimens have been tried. However, toxicities are also added on, unless the adjuvant agents have remarkably few side effects. Actually, micronutrients are usually taken by a majority of cancer patients as nutritional support or to boost the immune function, let alone hoping to counteract treatment side effects. Recent studies have shown that combinations of micronutrients exert pleiotropic effects in controlling tumor growth and metastasis by modulating the tumor microenvironment, enhancing gut microbiota immune functions, and providing adjunct nutritional support to micronutrient deficient cancer patients. A higher than recommended dietary allowance micronutrient dose is proposed to reduce the toxic free radicals generated as a result of immunotherapy and tumor metabolism. This is not only helpful for managing treatment side effects but also enhancing treatment efficacy. As micronutrient supplementation is also useful to improve patients’ quality of life, prolong survival, and sustain compliance to immunotherapy, further investigations are mandatory.
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Affiliation(s)
- Raymond C-F Yuen
- Department of Occupational and Family Medicine, Hosanna Clinic, Singapore 370051, Singapore
| | - Shiu-Ying Tsao
- Department of Clinical Research, Hong Kong SAR Oncology Centre, Hong Kong, China
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Mumtaz S, Mumtaz S, Ali S, Tahir HM, Kazmi SAR, Mughal TA, Younas M. Evaluation of antibacterial activity of vitamin C against human bacterial pathogens. BRAZ J BIOL 2021; 83:e247165. [PMID: 34468525 DOI: 10.1590/1519-6984.247165] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2021] [Accepted: 02/23/2021] [Indexed: 11/22/2022] Open
Abstract
Now a day's multidrug resistance phenomenon has become the main cause for concern and there has been an inadequate achievement in the development of novel antibiotics to treat the bacterial infections. Therefore, there is an unmet need to search for novel adjuvant. Vitamin C is one such promising adjuvant. The present study was aimed to elucidate the antibacterial effect of vitamin C at various temperatures (4°C, 37°C and 50°C) and pH (3, 8, and 11), against Gram-positive and Gram-negative bacteria at various concentrations (5-20 mg/ml) through agar well diffusion method. Growth inhibition of all bacterial strains by vitamin C was concentration-dependent. Vitamin C significantly inhibited the growth of Gram-positive bacteria: Bacillus licheniformis (25.3 ± 0.9 mm), Staphylococcus aureus (22.0 ± 0.6 mm), Bacillus subtilis (19.3 ± 0.3 mm) and Gram-negative bacteria: Proteus mirabilis (27.67 ± 0.882 mm), Klebsiella pneumoniae (21.33±0.9 mm), Pseudomonas aeruginosa (18.0 ± 1.5 mm) and Escherichia coli (18.3 ± 0.3 mm). The stability of vitamin C was observed at various pH values and various temperatures. Vitamin C showed significant antibacterial activity at acidic pH against all bacterial strains. Vitamin C remained the stable at different temperatures. It was concluded that vitamin C is an effective and safe antibacterial agent that can be used in the future as an adjunct treatment option to combat infections in humans.
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Affiliation(s)
- S Mumtaz
- Government College University, Department of Zoology, Applied Entomology and Medical Toxicology Laboratory, Lahore, Pakistan
| | - S Mumtaz
- Government College University, Department of Zoology, Applied Entomology and Medical Toxicology Laboratory, Lahore, Pakistan
| | - S Ali
- Government College University, Department of Zoology, Applied Entomology and Medical Toxicology Laboratory, Lahore, Pakistan
| | - H M Tahir
- Government College University, Department of Zoology, Applied Entomology and Medical Toxicology Laboratory, Lahore, Pakistan
| | - S A R Kazmi
- Government College University, Department of Chemistry, Lahore, Pakistan
| | - T A Mughal
- Department of Zoology, Women University of Azad Jammu and Kashmir, Bagh, Pakistan
| | - M Younas
- University of Lahore, Institute of Molecular Biology and Biotechnology, Lahore, Pakistan
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Bao L, Hao C, Wang J, Guo F, Geng Z, Wang D, Zhao Y, Li Y, Yao W. In vitro co-culture model of human monocyte-derived dendritic cells and T cells to evaluate the sensitization of dinitrochlorobenzene. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2021; 220:112331. [PMID: 34015634 DOI: 10.1016/j.ecoenv.2021.112331] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/25/2021] [Revised: 04/14/2021] [Accepted: 05/08/2021] [Indexed: 06/12/2023]
Abstract
Exposure to sensitizer has been suggested to be hazardous to human health, evaluation the sensitization of sensitizer is particularly important and urgently needed. Dendritic cells (DCs) exert an irreplaceable function in immunity, and the T cell receptor (TCR) repertoire is key to ensuring immune response to foreign antigens. We hypothesized that a co-culture model of human monocyte-derived dendritic cells (Mo-DCs) and T cells could be employed to evaluate the sensitization of DNCB. An experimental model of DNCB-induced sensitization in rat was employed to examine alterations of cluster of differentiation CD103+ DCs and T cells. A co-cultured model of Mo-DCs and T cells was developed in vitro to assess the sensitization of DNCB through the phenotypic and functional alterations of Mo-DCs, as well as the TCR repertoire. We found that the CD103+ DCs phenotype and T-helper (Th) cells polarization altered in sensitization rats. In vitro, phenotypic alteration of Mo-DCs caused by DNCB were consistent with in vivo results, antigen uptake capacity of Mo-DCs diminished and capacity of Mo-DCs to prime T cell increased. Clones of the TCR repertoire and the diversity of TCR repertoire were enhanced, changes were noted in the usage of variable, joining, and variable-joining gene combinations. DNCB exposure potentiated alterations and characteristics of Mo-DCs and the TCR repertoire in a co-culture model. Such changes provided innovative ideas for evaluating sensitization of DNCB.
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Affiliation(s)
- Lei Bao
- Department of Occupational Health and Environmental Health, School of Public Health, Hebei Medical University, Shijiazhuang, Hebei 050017, China; Department of Occupational Health and Environmental Health, School of Public Health, Zhengzhou University, Zhengzhou, Henan 450001, China; Hebei Key Laboratory of Environment and Human Health, Shijiazhuang 050017, China
| | - Changfu Hao
- Department of Occupational Health and Environmental Health, School of Public Health, Zhengzhou University, Zhengzhou, Henan 450001, China
| | - Juan Wang
- Department of Staistics, Hebei General Hospital, Shijiazhuang, Hebei 050000, China
| | - Feifei Guo
- Department of Occupational Health and Environmental Health, School of Public Health, Hebei Medical University, Shijiazhuang, Hebei 050017, China
| | - Zihan Geng
- Department of Occupational Health and Environmental Health, School of Public Health, Hebei Medical University, Shijiazhuang, Hebei 050017, China
| | - Di Wang
- Department of Occupational Health and Environmental Health, School of Public Health, Zhengzhou University, Zhengzhou, Henan 450001, China
| | - Youliang Zhao
- Department of Occupational Health and Environmental Health, School of Public Health, Zhengzhou University, Zhengzhou, Henan 450001, China
| | - Yiping Li
- Department of Occupational Health and Environmental Health, School of Public Health, Zhengzhou University, Zhengzhou, Henan 450001, China
| | - Wu Yao
- Department of Occupational Health and Environmental Health, School of Public Health, Zhengzhou University, Zhengzhou, Henan 450001, China.
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Ostriker AC, Xie Y, Chakraborty R, Sizer AJ, Bai Y, Ding M, Song WL, Huttner A, Hwa J, Martin KA. TET2 Protects Against Vascular Smooth Muscle Cell Apoptosis and Intimal Thickening in Transplant Vasculopathy. Circulation 2021; 144:455-470. [PMID: 34111946 PMCID: PMC8643133 DOI: 10.1161/circulationaha.120.050553] [Citation(s) in RCA: 34] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
BACKGROUND Coronary allograft vasculopathy (CAV) is a devastating sequela of heart transplant in which arterial intimal thickening limits coronary blood flow. There are currently no targeted therapies to prevent or reduce this pathology that leads to transplant failure. Vascular smooth muscle cell (VSMC) phenotypic plasticity is critical in CAV neointima formation. TET2 (TET methylcytosine dioxygenase 2) is an important epigenetic regulator of VSMC phenotype, but the role of TET2 in the progression of CAV is unknown. METHODS We assessed TET2 expression and activity in human CAV and renal transplant samples. We also used the sex-mismatched murine aortic graft model of graft arteriopathy (GA) in wild-type and inducible smooth muscle-specific Tet2 knockout mice; and in vitro studies in murine and human VSMCs using knockdown, overexpression, and transcriptomic approaches to assess the role of TET2 in VSMC responses to IFNγ (interferon γ), a cytokine elaborated by T cells that drives CAV progression. RESULTS In the present study, we found that TET2 expression and activity are negatively regulated in human CAV and renal transplant samples and in the murine aortic graft model of GA. IFNγ was sufficient to repress TET2 and induce an activated VSMC phenotype in vitro. TET2 depletion mimicked the effects of IFNγ, and TET2 overexpression rescued IFNγ-induced dedifferentiation. VSMC-specific TET2 depletion in aortic grafts, and in the femoral wire restenosis model, resulted in increased VSMC apoptosis and medial thinning. In GA, this apoptosis was tightly correlated with proliferation. In vitro, TET2-deficient VSMCs undergo apoptosis more readily in response to IFNγ and expressed a signature of increased susceptibility to extrinsic apoptotic signaling. Enhancing TET2 enzymatic activity with high-dose ascorbic acid rescued the effect of GA-induced VSMC apoptosis and intimal thickening in a TET2-dependent manner. CONCLUSIONS TET2 is repressed in CAV and GA, likely mediated by IFNγ. TET2 serves to protect VSMCs from apoptosis in the context of transplant vasculopathy or IFNγ stimulation. Promoting TET2 activity in vivo with systemic ascorbic acid reduces VSMC apoptosis and intimal thickening. These data suggest that promoting TET2 activity in CAV may be an effective strategy for limiting CAV progression.
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Affiliation(s)
- Allison C. Ostriker
- Department of Medicine (Cardiovascular Medicine), Yale University School of Medicine, New Haven, CT 06511
- Pharmacology, Yale University School of Medicine, New Haven, CT 06511
| | - Yi Xie
- Department of Medicine (Cardiovascular Medicine), Yale University School of Medicine, New Haven, CT 06511
- Pharmacology, Yale University School of Medicine, New Haven, CT 06511
| | - Raja Chakraborty
- Department of Medicine (Cardiovascular Medicine), Yale University School of Medicine, New Haven, CT 06511
- Pharmacology, Yale University School of Medicine, New Haven, CT 06511
| | - Ashley J. Sizer
- Department of Medicine (Cardiovascular Medicine), Yale University School of Medicine, New Haven, CT 06511
- Pharmacology, Yale University School of Medicine, New Haven, CT 06511
| | - Yalai Bai
- Pathology, Yale University School of Medicine, New Haven, CT 06511
| | - Min Ding
- Department of Medicine (Cardiovascular Medicine), Yale University School of Medicine, New Haven, CT 06511
- Pharmacology, Yale University School of Medicine, New Haven, CT 06511
| | | | - Anita Huttner
- Pathology, Yale University School of Medicine, New Haven, CT 06511
| | - John Hwa
- Pharmacology, Yale University School of Medicine, New Haven, CT 06511
| | - Kathleen A. Martin
- Department of Medicine (Cardiovascular Medicine), Yale University School of Medicine, New Haven, CT 06511
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Ungogo MA, Mohammed M, Umar BN, Bala AA, Khalid GM. Review of pharmacologic and immunologic agents in the management of COVID-19. BIOSAFETY AND HEALTH 2021; 3:148-155. [PMID: 33458647 PMCID: PMC7796672 DOI: 10.1016/j.bsheal.2021.01.001] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2020] [Revised: 01/01/2021] [Accepted: 01/07/2021] [Indexed: 12/15/2022] Open
Abstract
The novel coronavirus disease 2019 (COVID-19) is the third coronavirus outbreak in the last two decades. Emerging and re-emerging infections like COVID-19 pose serious challenges of the paucity of information and lack of specific cure or vaccines. This leaves utilisation of existing scientific data on related viral infections and repurposing relevant aetiologic and supportive therapies as the best control approach while novel strategies are developed and trialled. Many promising antiviral agents including lopinavir, ritonavir, remdesivir, umifenovir, darunavir, and oseltamivir have been repurposed and are currently trialled for the care for COVID-19 patients. Adjunct therapies for the management of symptoms and to provide support especially in severe and critically ill patients have also been identified. This review provides an appraisal of the current evidence for the rational use of frontline therapeutics in the management of COVID-19. It also includes updates regarding COVID-19 immunotherapy and vaccine development.
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Affiliation(s)
- Marzuq A Ungogo
- Department of Veterinary Pharmacology and Toxicology, Ahmadu Bello University, Zaria 810107, Kaduna State, Nigeria
- Institute of Infection, Immunity and Inflammation, College of Medical, Veterinary and Life Sciences, University of Glasgow, Glasgow G12 8TA, United Kingdom
| | - Mustapha Mohammed
- School of Pharmaceutical Sciences, Universiti Sains Malaysia, Penang City 11800, Pulau Pinang State, Malaysia
- Department of Clinical Pharmacy and Pharmacy Practice, Ahmadu Bello University, Zaria 810107, Kaduna State, Nigeria
| | - Bala N Umar
- Department of Veterinary Microbiology, Faculty of Veterinary Medicine, Ahmadu Bello University, Zaria 810107, Kaduna State, Nigeria
| | - Auwal A Bala
- Department of Pharmacology, College of Medicine and Health Sciences, Federal University, Dutse 720231, Jigawa State, Nigeria
| | - Garba M Khalid
- Faculty of Pharmaceutical Sciences, Bayero University, Kano P.M.B. 3011, Kano State, Nigeria
- Department of Pharmaceutical Sciences, Università Degli Studi di Milano, Via G. Colombo, 71, Milano 20133, Italy
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Abstract
The recent outbreak of COVID-19 has affected human lives severely. The human-to-human transmission of this viral disease has become deadly due to the unavailability of COVID-19 specific drugs. Here, an overview of various attempts made to design different therapeutic agents against various structural and non-structural proteins of SARS-CoV-2 has been summarized. Emphasis has been made to highlight the mechanisms of drug action and ways to design better inhibitors of these proteins. The roles of anti-oxidants and vitamins in suppressing COVID-19 are also discussed.
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Samad N, Dutta S, Sodunke TE, Fairuz A, Sapkota A, Miftah ZF, Jahan I, Sharma P, Abubakar AR, Rowaiye AB, Oli AN, Charan J, Islam S, Haque M. Fat-Soluble Vitamins and the Current Global Pandemic of COVID-19: Evidence-Based Efficacy from Literature Review. J Inflamm Res 2021; 14:2091-2110. [PMID: 34045883 PMCID: PMC8149275 DOI: 10.2147/jir.s307333] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2021] [Accepted: 04/14/2021] [Indexed: 12/15/2022] Open
Abstract
The outbreak of pneumonia caused by severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2), later named COVID-19 by the World Health Organization (WHO), was initiated at Wuhan, Hubei, China, and there was a rapid spread of novel SARS-CoV-2 and the disease COVID-19 in late 2019. The entire world is now experiencing the challenge of COVID-19 infection. However, still very few evidence-based treatment options are available for the prevention and treatment of COVID-19 disease. The present review aims to summarize the publicly available information to give a comprehensive yet balanced scientific overview of all the fat-soluble vitamins concerning their role in SARS-CoV-2 virus infection. The roles of different fat-soluble vitamins and micronutrients in combating SARS-CoV-2 infection have been recently explored in several studies. There are various hypotheses to suggest their use to minimize the severity of COVID-19 infection. These vitamins are pivotal in the maintenance and modulation of innate and cell-mediated, and antibody-mediated immune responses. The data reported in recent literature demonstrate that deficiency in one or more of these vitamins compromises the patients' immune response and makes them more vulnerable to viral infections and perhaps worse disease prognosis. Vitamins A, D, E, and K boost the body's defense mechanism against COVID-19 infection and specifically prevent its complications such as cytokine storm and other inflammatory processes, leading to increased morbidity and mortality overemphasis. However, more detailed randomized double-blind clinical pieces of evidence are required to define the use of these supplements in preventing or reducing the severity of the COVID-19 infection.
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Affiliation(s)
- Nandeeta Samad
- Department of Public Health, North South University, Dhaka, 1229, Bangladesh
| | - Siddhartha Dutta
- Department of Pharmacology, All India Institute of Medical Sciences, Jodhpur, Rajasthan, India
| | | | - Adiba Fairuz
- Department of Pharmacy, University of Dhaka, Dhaka, Bangladesh
| | - Ashmita Sapkota
- Department of Microbiology, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, 10700, Thailand
| | | | - Iffat Jahan
- Department of Physiology, Eastern Medical College, Cumilla, Bangladesh
| | - Paras Sharma
- Department of Pharmacognosy, BVM College of Pharmacy, Gwalior, India
| | - Abdullahi Rabiu Abubakar
- Department of Pharmacology and Therapeutics, Faculty of Pharmaceutical Sciences, Bayero University, Kano, Nigeria
| | - Adekunle Babajide Rowaiye
- Department of Pharmaceutical Microbiology and Biotechnology, Faculty of Pharmaceutical Sciences, Nnamdi Azikiwe University, Awka, Anambra State, Nigeria
| | - Angus Nnamdi Oli
- Department of Pharmaceutical Microbiology and Biotechnology, Faculty of Pharmaceutical Sciences, Nnamdi Azikiwe University, Awka, Anambra State, Nigeria
| | - Jaykaran Charan
- Department of Pharmacology, All India Institute of Medical Sciences, Jodhpur, Rajasthan, India
| | - Salequl Islam
- Department of Microbiology, Jahangirnagar University, Savar, Dhaka, Bangladesh
| | - Mainul Haque
- Unit of Pharmacology, Faculty of Medicine and Defence Health, Universiti Pertahanan Nasional Malaysia (National Defence University of Malaysia), Kuala Lumpur, Malaysia
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Zhao B, Liu M, Liu P, Peng Y, Huang J, Li M, Wang Y, Xu L, Sun S, Qi X, Ling Y, Li J, Zhang W, Mao E, Qu J. High Dose Intravenous Vitamin C for Preventing The Disease Aggravation of Moderate COVID-19 Pneumonia. A Retrospective Propensity Matched Before-After Study. Front Pharmacol 2021; 12:638556. [PMID: 33967773 PMCID: PMC8100592 DOI: 10.3389/fphar.2021.638556] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2020] [Accepted: 02/25/2021] [Indexed: 01/08/2023] Open
Abstract
Background: Coronavirus disease 2019 (COVID-19) pandemic is continuing to impact multiple countries worldwide and effective treatment options are still being developed. In this study, we investigate the potential of high-dose intravenous vitamin C (HDIVC) in the prevention of moderate COVID-19 disease aggravation. Methods: In this retrospective before-after case-matched clinical study, we compare the outcome and clinical courses of patients with moderate COVID-19 patients who were treated with an HDIVC protocol (intravenous injection of vitamin C, 100 mg/kg/day, 1 g/h, for 7 days from admission) during a one-month period (between March 18 and april 18, 2020, HDIVC group) with a control group treated without the HDIVC protocol during the preceding two months (January 18 to March 18, 2020). Patients in the two groups were matched in a 1:1 ratio according to age and gender. Results: The HDIVC and control groups each comprised 55 patients. For the primary outcomes, there was a significant difference in the number of patients that evolved from moderate to severe type between the two groups (HDIVC: 4/55 vs. control: 12/55, relative risk [RR] = 0.28 [0.08, 0.93], P = 0.03). Compared to the control group, there was a shorter duration of systemic inflammatory response syndrome (SIRS) (P = 0.0004) during the first week and lower SIRS occurrence (2/21 vs 10/22, P = 0.0086) on Day 7 (6–7 days after admission). In addition, HDIVC group had lower C-reactive protein levels (P = 0.005) and higher number of CD4+ T cells from Day 0 (on admission) to Day 7 (P = 0.04).” The levels of coagulation indicators, including activated partial thromboplastin time and D-dimer were also improved in the HDIVC compared to the control group on Day 7. Conclusion: HDIVC may be beneficial in limiting disease aggravation in the early stage of COVID-19 pneumonia, which may be related to its improvements on the inflammatory response, immune function and coagulation function. Further randomized controlled trials are required to augment these findings.
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Affiliation(s)
- Bing Zhao
- Department of Emergency of Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Min Liu
- Department of Gastroenterology, Shanghai Public Health Clinical Center, Shanghai, China
| | - Ping Liu
- Department of Tuberculosis, Shanghai Public Health Clinical Center, Fudan University, Shanghai, China
| | - Yibing Peng
- Department of Laboratory Medicine, Ruijin Hospital, School of Medicine Shanghai Jiaotong University, Shanghai, China
| | - Jun Huang
- Shanghai Institute of Hypertension, Shanghai, China
| | - Mengjiao Li
- Department of Emergency of Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Yihui Wang
- Department of Emergency of Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - LiLi Xu
- Department of Emergency of Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Silei Sun
- Department of Emergency of Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Xing Qi
- Department of Emergency of Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Yun Ling
- Department of Infectious Disease, Shanghai Public Health Clinical Center, Shanghai, China
| | - Jian Li
- Clinical Research Center in Ruijin Hospital, School of Medicine Shanghai Jiao Tong University, Shanghai, China
| | - Wenhong Zhang
- Department of Infectious Disease of Shanghai Huashan Hospital, Fudan University, Shanghai, China
| | - Enqiang Mao
- Department of Emergency of Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Jieming Qu
- Department of Respiratory and Critical Care Medicine of Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
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Lee MR, Han SJ, Kim HE, Choi JS. Relationship between Vitamin D Deficiency and Periodontitis in Korean Adults Aged ≥60 Years: Analysis of Data from the Korea National Health and Nutrition Examination Survey (2013-2014). INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2021; 18:ijerph18084181. [PMID: 33920903 PMCID: PMC8071325 DOI: 10.3390/ijerph18084181] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 03/11/2021] [Revised: 04/11/2021] [Accepted: 04/13/2021] [Indexed: 12/15/2022]
Abstract
There have been contradictory reports on the effects of vitamin D in the prevention of periodontitis. We analyzed the association between vitamin D status (levels of plasma 25(OH)D) and periodontitis using the Korea National Health and Nutrition Examination Survey (KNHANES) 2013–2014 database. Among the participants in the KNHANES (2013–2014), only those aged ≥60 years who completed a health interview survey, periodontal examination, and blood test were included in the study. Thus, data from 701 participants were used in the final analysis. Periodontal status was evaluated using the Community Periodontal Index (CPI), and periodontitis was defined as having a CPI score of 3 or 4. Plasma 25(OH)D levels were classified according to two criteria: 20 ng/mL and quartile value. The chi-square test and multivariate logistic regression analyses were performed to analyze the prevalence of periodontitis according to plasma 25(OH)D levels. Univariate analyses showed that periodontitis was not significantly associated with plasma 25(OH)D levels. In the multivariate logistic regression model adjusted for sociodemographic characteristics, the difference in the prevalence of periodontitis between those with a normal range of 25(OH)D and those with low plasma of 25(OH)D levels was not statistically significant. Vitamin D intake has been reported to have benefits in maintaining periodontal health; however, total plasma 25(OH)D levels showed no significant association with periodontitis based on CPI scores in this study. Additionally, these findings reaffirmed the importance of toothbrushing and smoking cessation to prevent periodontitis in people aged ≥60 years.
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Affiliation(s)
- Mi-Ra Lee
- Department of Dental Hygiene, Hanseo University, Seosan 31962, Korea;
| | - Su-Jin Han
- Department of Dental Hygiene, College of Health Science, Gachon University, Incheon 21936, Korea; (S.-J.H.); (H.-E.K.)
| | - Hee-Eun Kim
- Department of Dental Hygiene, College of Health Science, Gachon University, Incheon 21936, Korea; (S.-J.H.); (H.-E.K.)
| | - Jun-Seon Choi
- Department of Dental Hygiene, College of Health Science, Gachon University, Incheon 21936, Korea; (S.-J.H.); (H.-E.K.)
- Correspondence: ; Tel.: +82-32-820-4374
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40
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Vitamin C and kidney transplantation: Nutritional status, potential efficacy, safety, and interactions. Clin Nutr ESPEN 2021; 41:1-9. [PMID: 33487249 DOI: 10.1016/j.clnesp.2020.12.017] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2020] [Revised: 12/18/2020] [Accepted: 12/22/2020] [Indexed: 02/02/2023]
Abstract
BACKGROUND AND AIM There are several observational and interventional studies regarding the advantages of sufficient serum levels of vitamin C and the evaluation of the effects of vitamin C supplementation post kidney transplantation. These studies have been put together to investigate the role of vitamin C post-kidney transplantation and make suggestions for designing future studies based on the use of vitamin C supplements or nutritional interventions among these patients. METHODS This narrative review was done by searching in the Embase, PubMed, and SCOPUS databases. RESULTS The results are presented in several sections as follows; nutritional status, potential protective effects, safety concerns, and medications/laboratory tests interactions of vitamin C. CONCLUSIONS Kidney transplant recipients are prone to vitamin C deficiency, which is related to higher mortality based on several long-term observational studies. Vitamin C supplementation improves endothelial function and creatinine clearance. Vitamin C is considered as a safe supplement, however, side effects such as kidney stones, pro-oxidant effect, hemolysis in patients with glucose-6-phosphate dehydrogenase deficiency, impact on lymphocytic activity, acid-base disturbance, and increased sodium load following its administration have been reported. Interaction of vitamin C and cyclosporine is the most important interaction with post-renal transplant medications. Vitamin C also interferes with creatinine assay using Jaffe and enzymatic methods.
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Carcinostatic effects of alkanoyl ascorbate plus platinum nano-colloid and stabilization of the esterolytically resultant ascorbate by hydrogen. Hum Cell 2021; 34:436-444. [PMID: 33387361 DOI: 10.1007/s13577-020-00462-3] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2020] [Accepted: 11/18/2020] [Indexed: 12/19/2022]
Abstract
Carcinostatic effects of combined use of ascorbic acid (Asc), 2-O-phospho- or 6-O-palmitoyl ascorbate (Asc2Phos, Asc6Palm) or diverse alkanoyl Asc, and nano-sized platinum-poly(N-vinyl-pyrrolidone) colloid (PVP-Pt; 2-nm diameter) were examined on human esophagus carcinoma-derived cells KYSE70. Cell viability was repressed by 'Asc6Palm + PVP-Pt' mixture more markedly than by Asc6Palm or PVP-Pt alone, together with cell shrinkage and fragmentation, in contrast to no additive carcinostatic effect of 'Asc + PVP-Pt' or 'Asc2Phos + PVP-Pt'. The effects might be partly due to efficiency for intracellular uptake of PVP-Pt, as previously shown by our studies that Pt atoms composed of PVP-Pt were incorporated into human tongue carcinoma cells by 9.6-fold compared to normal human tongue epitheliocytes. Asc6Palm was advantageous for intracellular uptake, in terms of the proper balance for molecular hydrophilicity-lipophilicity (BMHL), whereas 6-O-stearoyl (C18) Asc or 2,6-O-dipalmitoyl (2 × C16) was demonstrated to be less carcinostatic owing to a lower BMHL. Although esterolytically converted from Asc6Palm, Asc was necessitated to be retained for efficient carcinostasis, and demonstrated by HPLC-coulometric ECD analysis to be appreciably stabilized in electrolytically generated hydrogen (dissolved hydrogen: 0.575 mg/L)-water, but scarcely in hydrogen-gas-bubbled water (0.427 mg/L), Mg stick-derived hydrogen (0.044 mg/L) water, or tap water, suggesting that hydrogen-rich water suppresses oxidative decomposition of Asc. Thus, Asc6Palm plus PVP-Pt with hydrogen-rich water supplement might be applicable for carcinostatic therapy.
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Parmar HS, Nayak A, Gavel PK, Jha HC, Bhagwat S, Sharma R. Cross Talk between COVID-19 and Breast Cancer. Curr Cancer Drug Targets 2021; 21:575-600. [PMID: 33593260 DOI: 10.2174/1568009621666210216102236] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2020] [Revised: 12/17/2020] [Accepted: 12/26/2020] [Indexed: 01/08/2023]
Abstract
Cancer patients are more susceptible to COVID-19; however, the prevalence of COVID-19 in different types of cancer is still inconsistent and inconclusive. Here, we delineate the intricate relationship between breast cancer and COVID-19. Breast cancer and COVID-19 share the involvement of common comorbidities, hormonal signalling pathways, gender differences, rennin- angiotensin system (RAS), angiotensin-converting enzyme-2 (ACE-2), transmembrane protease serine 2 (TMPRSS2) and dipeptidyl peptidase-IV (DPP-IV). We also shed light on the possible effects of therapeutic modalities of COVID-19 on breast cancer outcomes. Briefly, we conclude that breast cancer patients are more susceptible to COVID-19 in comparison with their normal counterparts. Women are more resistant to the occurrence and severity of COVID-19. Increased expressions of ACE2 and TMPRSS2 are correlated with occurrence and severity of COVID-19, but higher expression of ACE2 and lower expression of TMPRSS2 are prognostic markers for overall disease free survival in breast cancer. The ACE2 inhibitors and ibuprofen therapies for COVID-19 treatment may aggravate the clinical condition of breast cancer patients through chemo-resistance and metastasis. Most of the available therapeutic modalities for COVID-19 were also found to exert positive effects on breast cancer outcomes. Besides drugs in clinical trend, TMPRSS2 inhibitors, estrogen supplementation, androgen deprivation and DPP-IV inhibitors may also be used to treat breast cancer patients infected with SARS-CoV-2. However, drug-drug interactions suggest that some of the drugs used for the treatment of COVID-19 may modulate the drug metabolism of anticancer therapies which may lead to adverse drug reaction events.
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Affiliation(s)
| | - Aakruti Nayak
- School of Biotechnology, Devi Ahilya University, Indore-452001. M.P., India
| | - Pramod Kumar Gavel
- Department of Chemical Sciences, IIT, Indore, Simrol, Indore, M.P., India
| | - Hem Chandra Jha
- Department of Bioscience and Bioengineering, IIT, Indore, Simrol, Indore, M.P., India
| | - Shivani Bhagwat
- Suraksha Diagnostics Pvt. Ltd., Newtown, Rajarhat, Kolkata-West Bengal, India
| | - Rajesh Sharma
- School of Pharmacy, Devi Ahilya University, Indore-452001., M.P., India
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Devarajan A, Vaseghi M. Hydroxychloroquine can potentially interfere with immune function in COVID-19 patients: Mechanisms and insights. Redox Biol 2021; 38:101810. [PMID: 33360293 PMCID: PMC7704069 DOI: 10.1016/j.redox.2020.101810] [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: 09/09/2020] [Revised: 11/13/2020] [Accepted: 11/19/2020] [Indexed: 02/07/2023] Open
Abstract
The recent global pandemic due to COVID-19 is caused by a type of coronavirus, SARS-CoV-2 (Severe Acute Respiratory Syndrome Coronavirus 2). Despite rigorous efforts worldwide to control the spread and human to human transmission of this virus, incidence and death due to COVID-19 continue to rise. Several drugs have been tested for treatment of COVID-19, including hydroxychloroquine. While a number of studies have shown that hydroxychloroquine can prolong QT interval, potentially increasing risk of ventricular arrhythmias and Torsade de Pointes, its effects on immune cell function have not been extensively examined. In the current review, an overview of coronaviruses, viral entry and pathogenicity, immunity upon coronavirus infection, and current therapy options for COVID-19 are briefly discussed. Further based on preclinical studies, we provide evidences that i) hydroxychloroquine impairs autophagy, which leads to accumulation of damaged/oxidized cytoplasmic constituents and interferes with cellular homeostasis, ii) this impaired autophagy in part reduces antigen processing and presentation to immune cells and iii) inhibition of endosome-lysosome system acidification by hydroxychloroquine not only impairs the phagocytosis process, but also potentially alters pulmonary surfactant in the lungs. Therefore, it is likely that hydroxychloroquine treatment may in fact impair host immunity in response to SARS-CoV-2, especially in elderly patients or those with co-morbidities. Further, this review provides a rationale for developing and selecting antiviral drugs and includes a brief review of traditional strategies combined with new drugs to combat COVID-19.
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Affiliation(s)
- Asokan Devarajan
- UCLA Cardiac Arrhythmia Center, University of California, Los Angeles, CA, USA; Neurocardiology Research Center of Excellence, University of California, Los Angeles, CA, USA.
| | - Marmar Vaseghi
- UCLA Cardiac Arrhythmia Center, University of California, Los Angeles, CA, USA; Neurocardiology Research Center of Excellence, University of California, Los Angeles, CA, USA
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Vitamins and minerals intake adequacy in hematopoietic stem cell transplant: results of a randomized controlled trial. Bone Marrow Transplant 2020; 56:1106-1115. [PMID: 33257778 DOI: 10.1038/s41409-020-01154-0] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2020] [Revised: 09/14/2020] [Accepted: 11/11/2020] [Indexed: 01/04/2023]
Abstract
Micronutrient intake among hematopoietic stem cell transplant (HSCT) recipients is poorly studied. This randomized control trial (RCT) assessed the effect of nutritional counseling on micronutrient intake post HSCT. Patients with hematological malignancies receiving HSCT were randomized at hospital discharge into an intervention group (IG) and a control group (CG) between 2016 and 2017. IG received individualized nutritional counseling in the first 3 months post HSCT while CG received general qualitative education without reinforcement. At assessment points (hospital admission, discharge, 30, 60, and 100 days post HSCT termed T4), 24-h recalls were analyzed, and micronutrient intake was compared to patients' individual needs. Results were reported as percentages of dietary reference intake. Groups (IG, n = 22 and CG, n = 24) had similar characteristics pre HSCT. Copper and α-tocopherol intake at T4 were significantly better in IG. Many B vitamins, vitamin C, Manganese, Potassium, Zinc, and vitamin K improved in IG only at T4 compared to baseline intake. Median vitamin D intake remained low in both groups with <20% of patients meeting their individual needs post HSCT. In conclusion, counseling was associated with a trend of improved micronutrient intake. Vitamin D levels remained low irrespective of counseling.
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Berretta M, Quagliariello V, Maurea N, Di Francia R, Sharifi S, Facchini G, Rinaldi L, Piezzo M, Manuela C, Nunnari G, Montopoli M. Multiple Effects of Ascorbic Acid against Chronic Diseases: Updated Evidence from Preclinical and Clinical Studies. Antioxidants (Basel) 2020; 9:antiox9121182. [PMID: 33256059 PMCID: PMC7761324 DOI: 10.3390/antiox9121182] [Citation(s) in RCA: 41] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2020] [Revised: 11/18/2020] [Accepted: 11/19/2020] [Indexed: 12/12/2022] Open
Abstract
Severe disease commonly manifests as a systemic inflammatory process. Inflammation is associated withthe enhanced production of reactive oxygen and nitrogen species and with a marked reduction in the plasma concentrations of protective antioxidant molecules. This imbalance gives rise to oxidative stress, which is greater in patients with more severe conditions such as sepsis, cancer, cardiovascular disease, acute respiratory distress syndrome, and burns. In these patients, oxidative stress can trigger cell, tissue, and organ damage, thus increasing morbidity and mortality. Ascorbic acid (ASC) is a key nutrient thatserves as an antioxidant and a cofactor for numerous enzymatic reactions. However, humans, unlike most mammals, are unable to synthesize it. Consequently, ASC must be obtained through dietary sources, especially fresh fruit and vegetables. The value of administering exogenous micronutrients, to reestablish antioxidant concentrations in patients with severe disease, has been recognized for decades. Despite the suggestion that ASC supplementation may reduce oxidative stress and prevent several chronic conditions, few large, randomized clinical trials have tested it in patients with severe illness. This article reviews the recent literature on the pharmacological profile of ASC and the role of its supplementation in critically ill patients.
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Affiliation(s)
- Massimiliano Berretta
- Department of Clinical and Experimental Medicine, University of Messina, 98121 Messina, Italy;
- Correspondence:
| | - Vincenzo Quagliariello
- Division of Cardiology, Istituto Nazionale Tumori—IRCCS Fondazione “G. Pascale”, 80131 Napoli, Italy; (V.Q.); (N.M.)
| | - Nicola Maurea
- Division of Cardiology, Istituto Nazionale Tumori—IRCCS Fondazione “G. Pascale”, 80131 Napoli, Italy; (V.Q.); (N.M.)
| | - Raffaele Di Francia
- Italian Association of Pharmacogenomics and Molecular Diagnostics (IAPharmagen), 60126 Ancona, Italy;
| | - Saman Sharifi
- Department of Pharmaceutical and Pharmacological Sciences, University of Padova, 35100 Padova, Italy; (S.S.); (M.M.)
| | - Gaetano Facchini
- Division of Medical Oncology, “S. Maria delle Grazie” Hospital—ASL Napoli 2 Nord, 80126 Pozzuoli, Italy;
| | - Luca Rinaldi
- Department of Advanced Medical and Surgical Sciences, University of Campania “L. Vanvitelli”, 80121 Napoli, Italy;
| | - Michela Piezzo
- Division of Breast Medical Oncology, Istituto Nazionale Tumori—IRCCS Fondazione “G. Pascale”, 80131 Napoli, Italy;
| | - Ceccarelli Manuela
- Division of Infectious Disease, University of Catania, 95122 Catania, Italy;
| | - Giuseppe Nunnari
- Department of Clinical and Experimental Medicine, University of Messina, 98121 Messina, Italy;
| | - Monica Montopoli
- Department of Pharmaceutical and Pharmacological Sciences, University of Padova, 35100 Padova, Italy; (S.S.); (M.M.)
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Cerullo G, Negro M, Parimbelli M, Pecoraro M, Perna S, Liguori G, Rondanelli M, Cena H, D’Antona G. The Long History of Vitamin C: From Prevention of the Common Cold to Potential Aid in the Treatment of COVID-19. Front Immunol 2020; 11:574029. [PMID: 33193359 PMCID: PMC7655735 DOI: 10.3389/fimmu.2020.574029] [Citation(s) in RCA: 67] [Impact Index Per Article: 16.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2020] [Accepted: 09/21/2020] [Indexed: 12/16/2022] Open
Abstract
From Pauling's theories to the present, considerable understanding has been acquired of both the physiological role of vitamin C and of the impact of vitamin C supplementation on the health. Although it is well known that a balanced diet which satisfies the daily intake of vitamin C positively affects the immune system and reduces susceptibility to infections, available data do not support the theory that oral vitamin C supplements boost immunity. No current clinical recommendations support the possibility of significantly decreasing the risk of respiratory infections by using high-dose supplements of vitamin C in a well-nourished general population. Only in restricted subgroups (e.g., athletes or the military) and in subjects with a low plasma vitamin C concentration a supplementation may be justified. Furthermore, in categories at high risk of infection (i.e., the obese, diabetics, the elderly, etc.), a vitamin C supplementation can modulate inflammation, with potential positive effects on immune response to infections. The impact of an extra oral intake of vitamin C on the duration of a cold and the prevention or treatment of pneumonia is still questioned, while, based on critical illness studies, vitamin C infusion has recently been hypothesized as a treatment for COVID-19 hospitalized patients. In this review, we focused on the effects of vitamin C on immune function, summarizing the most relevant studies from the prevention and treatment of common respiratory diseases to the use of vitamin C in critical illness conditions, with the aim of clarifying its potential application during an acute SARS-CoV2 infection.
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Affiliation(s)
- Giuseppe Cerullo
- Department of Movement Sciences and Wellbeing, University of Naples Parthenope, Naples, Italy
| | - Massimo Negro
- Centro di Ricerca Interdipartimentale nelle Attività Motorie e Sportive (CRIAMS)—Sport Medicine Centre, University of Pavia, Voghera, Italy
| | - Mauro Parimbelli
- Centro di Ricerca Interdipartimentale nelle Attività Motorie e Sportive (CRIAMS)—Sport Medicine Centre, University of Pavia, Voghera, Italy
| | | | - Simone Perna
- Department of Biology, College of Science, University of Bahrain, Sakhir, Bahrain
| | - Giorgio Liguori
- Department of Movement Sciences and Wellbeing, University of Naples Parthenope, Naples, Italy
| | - Mariangela Rondanelli
- IRCCS Mondino Foundation, Pavia, Italy
- Department of Public Health, Experimental and Forensic Medicine, University of Pavia, Pavia, Italy
| | - Hellas Cena
- Department of Public Health, Experimental and Forensic Medicine, University of Pavia, Pavia, Italy
- Clinical Nutrition and Dietetics Service, Unit of Internal Medicine and Endocrinology, ICS Maugeri IRCCS, University of Pavia, Pavia, Italy
| | - Giuseppe D’Antona
- Centro di Ricerca Interdipartimentale nelle Attività Motorie e Sportive (CRIAMS)—Sport Medicine Centre, University of Pavia, Voghera, Italy
- Department of Public Health, Experimental and Forensic Medicine, University of Pavia, Pavia, Italy
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De la Fuente M, Sánchez C, Vallejo C, Díaz-Del Cerro E, Arnalich F, Hernanz Á. Vitamin C and vitamin C plus E improve the immune function in the elderly. Exp Gerontol 2020; 142:111118. [PMID: 33091525 DOI: 10.1016/j.exger.2020.111118] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2020] [Revised: 09/13/2020] [Accepted: 10/11/2020] [Indexed: 12/13/2022]
Abstract
With aging the immune response is impaired. This immunosenescence, in which an alteration of the redox state of the immune cells appears, is involved in the rate of aging. Since leukocyte function is a good marker of health and predictor of longevity, the effects of daily oral administration of the antioxidant vitamin C (500 mg), or both vitamin C (500 mg) and vitamin E (200 mg) on several blood neutrophil (adherence, chemotaxis, phagocytosis, and superoxide anion levels) and lymphocyte (adherence, chemotaxis, proliferation, interleukin-2 secretion and natural killer activity) functions were studied in healthy elderly men and women. These parameters were analysed before supplementation, after 3 months of supplementation, and 6 months after the end of supplementation. The results showed that vitamin C, in elderly participants, improved the immune functions studied which achieved values close to those of young adults. These effects were maintained in several functions after 6 months without supplementation. Similar effects were found in the elderly supplemented with both vitamin C and E. Thus, a short period of vitamin C or vitamin C and E ingestion, with the doses used, improves the immune function in elderly men and women and could contribute to a healthy longevity.
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Affiliation(s)
- Mónica De la Fuente
- Department of Genetics, Physiology and Microbiology (Animal Physiology), Faculty of Biological Sciences, Complutense University of Madrid, Spain.
| | - Carmen Sánchez
- Department of Genetics, Physiology and Microbiology (Animal Physiology), Faculty of Biological Sciences, Complutense University of Madrid, Spain
| | - Carmen Vallejo
- Department of Genetics, Physiology and Microbiology (Animal Physiology), Faculty of Biological Sciences, Complutense University of Madrid, Spain
| | - Estefanía Díaz-Del Cerro
- Department of Genetics, Physiology and Microbiology (Animal Physiology), Faculty of Biological Sciences, Complutense University of Madrid, Spain.
| | | | - Ángel Hernanz
- Biochemistry Department, Hospital La Paz, Madrid, Spain
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Borran M, Dashti-Khavidaki S, Alamdari A, Naderi N, Minoo F. Evaluation of the effect of high dose intravenous vitamin C on delayed allograft function in deceased donor kidney transplantation: a preliminary report. RENAL REPLACEMENT THERAPY 2020. [DOI: 10.1186/s41100-020-00279-8] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
Abstract
Abstract
Background
Delayed graft function (DGF) can affect short- and long-term allograft outcomes in kidney transplant recipients. One of the pathophysiological pathways in the occurrence of DGF is ischemia-reperfusion injury (IRI). High dose intravenous vitamin C has proven efficacy in decreasing IRI consequences. Accordingly, we designed this study to assess the effect of high dose intravenous vitamin C on the incidence and duration of DGF.
Methods
This is a pilot, single-center, double-blinded, randomized, placebo-controlled trial. In the treatment group, kidney transplant recipients received vitamin C infusion at the dose of 70 mg/kg diluted in 0.45% saline, and in another study arm, only the diluent solution was administered. Data regarding allograft function and other clinical information was recorded.
Results
This preliminary study on 19 patients (9 cases in the vitamin C and 10 cases in the placebo group) showed that after administration of single, high dose vitamin C the incidence of DGF was not significantly different between the groups, but the duration of DGF was substantially shorter in the vitamin C group than the placebo group (7.33 ± 5.68 versus 19.66 ± 0.57 days; P = 0.02). Acute rejection episodes were more seen in the vitamin C group than in the placebo group. Although this data was not statistically significant (P = 0.37), it led to the termination of the study.
Conclusion
A high dose of intravenous vitamin C before allograft implantation was effective in decreasing DGF duration but not DGF incidence.
Trial registration
The trial was registered in the Iranian registry of clinical trials encoded IRCT20100111003043N13 on June 24, 2019.
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Schönrich G, Raftery MJ, Samstag Y. Devilishly radical NETwork in COVID-19: Oxidative stress, neutrophil extracellular traps (NETs), and T cell suppression. Adv Biol Regul 2020; 77:100741. [PMID: 32773102 PMCID: PMC7334659 DOI: 10.1016/j.jbior.2020.100741] [Citation(s) in RCA: 146] [Impact Index Per Article: 36.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2020] [Accepted: 06/29/2020] [Indexed: 02/06/2023]
Abstract
Pandemic coronavirus disease 2019 (COVID-19) is caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) and poses an unprecedented challenge to healthcare systems due to the lack of a vaccine and specific treatment options. Accordingly, there is an urgent need to understand precisely the pathogenic mechanisms underlying this multifaceted disease. There is increasing evidence that the immune system reacts insufficiently to SARS-CoV-2 and thus contributes to organ damage and to lethality. In this review, we suggest that the overwhelming production of reactive oxygen species (ROS) resulting in oxidative stress is a major cause of local or systemic tissue damage that leads to severe COVID-19. It increases the formation of neutrophil extracellular traps (NETs) and suppresses the adaptive arm of the immune system, i.e. T cells that are necessary to kill virus-infected cells. This creates a vicious cycle that prevents a specific immune response against SARS-CoV-2. The key role of oxidative stress in the pathogenesis of severe COVID-19 implies that therapeutic counterbalancing of ROS by antioxidants such as vitamin C or NAC and/or by antagonizing ROS production by cells of the mononuclear phagocyte system (MPS) and neutrophil granulocytes and/or by blocking of TNF-α can prevent COVID-19 from becoming severe. Controlled clinical trials and preclinical models of COVID-19 are needed to evaluate this hypothesis.
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Affiliation(s)
- Günther Schönrich
- Institute of Virology, Charité - Universitätsmedizin Berlin, Freie Universität Berlin, Humboldt-Universität zu Berlin, Berlin Institute of Health, Berlin, Germany.
| | - Martin J Raftery
- Institute of Virology, Charité - Universitätsmedizin Berlin, Freie Universität Berlin, Humboldt-Universität zu Berlin, Berlin Institute of Health, Berlin, Germany
| | - Yvonne Samstag
- Section Molecular Immunology, Institute of Immunology, Heidelberg University Hospital, Heidelberg, Germany.
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Wu R, Wang L, Kuo HCD, Shannar A, Peter R, Chou PJ, Li S, Hudlikar R, Liu X, Liu Z, Poiani GJ, Amorosa L, Brunetti L, Kong AN. An Update on Current Therapeutic Drugs Treating COVID-19. ACTA ACUST UNITED AC 2020; 6:56-70. [PMID: 32395418 PMCID: PMC7211915 DOI: 10.1007/s40495-020-00216-7] [Citation(s) in RCA: 318] [Impact Index Per Article: 79.5] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
The current pandemic of coronavirus disease 2019 (COVID-19) caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) has presented unprecedented challenges to the healthcare systems in almost every country around the world. Currently, there are no proven effective vaccines or therapeutic agents against the virus. Current clinical management includes infection prevention and control measures and supportive care including supplemental oxygen and mechanical ventilatory support. Evolving research and clinical data regarding the virologic SARS-CoV-2 suggest a potential list of repurposed drugs with appropriate pharmacological effects and therapeutic efficacies in treating COVID-19 patients. In this review, we will update and summarize the most common and plausible drugs for the treatment of COVID-19 patients. These drugs and therapeutic agents include antiviral agents (remdesivir, hydroxychloroquine, chloroquine, lopinavir, umifenovir, favipiravir, and oseltamivir), and supporting agents (Ascorbic acid, Azithromycin, Corticosteroids, Nitric oxide, IL-6 antagonists), among others. We hope that this review will provide useful and most updated therapeutic drugs to prevent, control, and treat COVID-19 patients until the approval of vaccines and specific drugs targeting SARS-CoV-2.
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Affiliation(s)
- Renyi Wu
- 1Department of Pharmaceutics, Ernest Mario School of Pharmacy, Rutgers University, Piscataway, NJ 08854 USA
| | - Lujing Wang
- 1Department of Pharmaceutics, Ernest Mario School of Pharmacy, Rutgers University, Piscataway, NJ 08854 USA
| | - Hsiao-Chen Dina Kuo
- 1Department of Pharmaceutics, Ernest Mario School of Pharmacy, Rutgers University, Piscataway, NJ 08854 USA
| | - Ahmad Shannar
- 1Department of Pharmaceutics, Ernest Mario School of Pharmacy, Rutgers University, Piscataway, NJ 08854 USA
| | - Rebecca Peter
- 1Department of Pharmaceutics, Ernest Mario School of Pharmacy, Rutgers University, Piscataway, NJ 08854 USA
| | - Pochung Jordan Chou
- 1Department of Pharmaceutics, Ernest Mario School of Pharmacy, Rutgers University, Piscataway, NJ 08854 USA
| | - Shanyi Li
- 1Department of Pharmaceutics, Ernest Mario School of Pharmacy, Rutgers University, Piscataway, NJ 08854 USA
| | - Rasika Hudlikar
- 1Department of Pharmaceutics, Ernest Mario School of Pharmacy, Rutgers University, Piscataway, NJ 08854 USA
| | - Xia Liu
- 1Department of Pharmaceutics, Ernest Mario School of Pharmacy, Rutgers University, Piscataway, NJ 08854 USA.,2Department of Pharmacology, School of Basic Medical Science, Lanzhou University, Lanzhou, 730000 China
| | - Zhigang Liu
- 1Department of Pharmaceutics, Ernest Mario School of Pharmacy, Rutgers University, Piscataway, NJ 08854 USA.,3Department of Food and Pharmaceutical Engineering, Guiyang University, Guiyang, 550005 China
| | - George J Poiani
- 4Robert Wood Johnson University Hospital Somerset, Somerville, NJ 08876 USA.,5Robert Wood Johnson Medical School, New Brunswick, NJ 08901 USA
| | - Louis Amorosa
- 5Robert Wood Johnson Medical School, New Brunswick, NJ 08901 USA
| | - Luigi Brunetti
- 4Robert Wood Johnson University Hospital Somerset, Somerville, NJ 08876 USA.,6Department of Pharmacy Practice, Ernest Mario School of Pharmacy, Piscataway, NJ 08854 USA
| | - Ah-Ng Kong
- 1Department of Pharmaceutics, Ernest Mario School of Pharmacy, Rutgers University, Piscataway, NJ 08854 USA
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