1
|
Zhang Y, Luo Y, Shi J, Xie Y, Shao H, Li Y. All-trans retinoic acid alleviates collagen-induced arthritis and promotes intestinal homeostasis. Sci Rep 2024; 14:1811. [PMID: 38245637 PMCID: PMC10799902 DOI: 10.1038/s41598-024-52322-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2023] [Accepted: 01/17/2024] [Indexed: 01/22/2024] Open
Abstract
All-trans retinoic acid (ATRA) has emerged as a promising adjunctive treatment for rheumatoid arthritis. However, the mechanism by which ATRA mitigates arthritis remains unclear. In this study, we aimed to explore ATRA alleviation of arthritis and the role of ATRA in regulating intestinal homeostasis. Thus, we established a collagen-induced arthritis (CIA) model in Wistar rats. After 6 weeks of ATRA treatment, the arthritis index of CIA rats decreased, synovial inflammation was alleviated, and the disruption of Th17/Treg differentiation in peripheral blood was reversed. Additionally, the Th17/Treg ratio in the mesenteric lymph nodes decreased and the expression of Foxp3 mRNA increased and that of IL-17 mRNA decreased in the colon and ileum. Microscopically, we observed reduced intestinal inflammation. Transmission electron microscopy revealed that ATRA could repair tight junctions, which was accompanied by an increase in the expression of Claudin-1, Occludin and ZO-1. Moreover, ATRA regulated the composition of the gut microbiota, as was characterized based on the reduced abundance of Desulfobacterota and the increased abundance of Lactobacillus. In conclusion, ATRA demonstrates the potential to alleviate arthritis in CIA rats, which might be correlated with modulating the gut microbiota and regulating the intestinal immune response. Our findings provide novel insights into ATRA-mediated alleviation of arthritis.
Collapse
Affiliation(s)
- Yiqi Zhang
- Department of Nutrition and Food Hygiene, West China School of Public Health and West China Fourth Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Yating Luo
- Department of Nutrition and Food Hygiene, West China School of Public Health and West China Fourth Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Jiangchun Shi
- Department of Nutrition and Food Hygiene, West China School of Public Health and West China Fourth Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Yumeng Xie
- Department of Nutrition and Food Hygiene, West China School of Public Health and West China Fourth Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Huangfang Shao
- Department of Nutrition and Food Hygiene, West China School of Public Health and West China Fourth Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Yun Li
- Department of Nutrition and Food Hygiene, West China School of Public Health and West China Fourth Hospital, Sichuan University, Chengdu, Sichuan, China.
- Healthy Food Evaluation Research Center, Sichuan University, Chengdu, China.
| |
Collapse
|
2
|
Evaluating Risk: Benefit Ratio of Fat-Soluble Vitamin Supplementation to SARS-CoV-2-Infected Autoimmune and Cancer Patients: Do Vitamin–Drug Interactions Exist? Life (Basel) 2022; 12:life12101654. [PMID: 36295089 PMCID: PMC9604733 DOI: 10.3390/life12101654] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2022] [Revised: 10/15/2022] [Accepted: 10/18/2022] [Indexed: 11/17/2022] Open
Abstract
Simple Summary This review brings attention to a crucial yet under-investigated subject which is vitamin–drug interactions. Fat-soluble vitamins such as vitamins A, D, E, and K have been proven to possess many beneficial effects in the treatment and prevention of COVID-19. Moreover, it has been reported that deficiencies of fat-soluble vitamins have been directly linked to COVID-19 infection-related morbidity and mortality, especially in high-risk populations such as cancer and autoimmune patients. However, many vitamin–drug interactions exist between most of the newly COVID-19 FDA-approved medications and fat-soluble vitamins. Hence, this mandates personalizing the COVID-19 treatment protocols, especially for patients who have any deficiency in any of these vital vitamins. Weighing the risk-to-benefit ratio of supplementing any of these fat-soluble vitamins with COVID-19 medications is considered crucial to maximize the therapeutic benefit and decrease the side effects of these drugs. Abstract COVID-19 is a recent pandemic that mandated the scientific society to provide effective evidence-based therapeutic approaches for the prevention and treatment for such a global threat, especially to those patients who hold a higher risk of infection and complications, such as patients with autoimmune diseases and cancer. Recent research has examined the role of various fat-soluble vitamins (vitamins A, D, E, and K) in reducing the severity of COVID-19 infection. Studies showed that deficiency in fat-soluble vitamins abrogates the immune system, thus rendering individuals more susceptible to COVID-19 infection. Moreover, another line of evidence showed that supplementation of fat-soluble vitamins during the course of infection enhances the viral clearance episode by promoting an adequate immune response. However, more thorough research is needed to define the adequate use of vitamin supplements in cancer and autoimmune patients infected with COVID-19. Moreover, it is crucial to highlight the vitamin–drug interactions of the COVID-19 therapeutic modalities and fat-soluble vitamins. With an emphasis on cancer and autoimmune patients, the current review aims to clarify the role of fat-soluble vitamins in SARS-CoV-2 infection and to estimate the risk-to-benefit ratio of a fat-soluble supplement administered to patients taking FDA-approved COVID-19 medications such as antivirals, anti-inflammatory, receptor blockers, and monoclonal antibodies.
Collapse
|
3
|
Abdelhamid L, Luo XM. Diet and Hygiene in Modulating Autoimmunity During the Pandemic Era. Front Immunol 2022; 12:749774. [PMID: 35069526 PMCID: PMC8766844 DOI: 10.3389/fimmu.2021.749774] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2021] [Accepted: 12/13/2021] [Indexed: 12/11/2022] Open
Abstract
The immune system is an efficiently toned machinery that discriminates between friends and foes for achieving both host defense and homeostasis. Deviation of immune recognition from foreign to self and/or long-lasting inflammatory responses results in the breakdown of tolerance. Meanwhile, educating the immune system and developing immunological memory are crucial for mounting defensive immune responses while protecting against autoimmunity. Still to elucidate is how diverse environmental factors could shape autoimmunity. The emergence of a world pandemic such as SARS-CoV-2 (COVID-19) not only threatens the more vulnerable individuals including those with autoimmune conditions but also promotes an unprecedented shift in people's dietary approaches while urging for extraordinary hygiene measures that likely contribute to the development or exacerbation of autoimmunity. Thus, there is an urgent need to understand how environmental factors modulate systemic autoimmunity to better mitigate the incidence and or severity of COVID-19 among the more vulnerable populations. Here, we discuss the effects of diet (macronutrients and micronutrients) and hygiene (the use of disinfectants) on autoimmunity with a focus on systemic lupus erythematosus.
Collapse
Affiliation(s)
- Leila Abdelhamid
- Department of Biomedical Sciences and Pathobiology, College of Veterinary Medicine, Virginia Tech, Blacksburg, VA, United States
- Department of Microbiology, College of Veterinary Medicine, Alexandria University, Alexandria, Egypt
| | - Xin M. Luo
- Department of Biomedical Sciences and Pathobiology, College of Veterinary Medicine, Virginia Tech, Blacksburg, VA, United States
| |
Collapse
|
4
|
Kałużna M, Trzeciak I, Ziemnicka K, Machaczka M, Ruchała M. Endocrine and metabolic disorders in patients with Gaucher disease type 1: a review. Orphanet J Rare Dis 2019; 14:275. [PMID: 31791361 PMCID: PMC6889605 DOI: 10.1186/s13023-019-1211-5] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2019] [Accepted: 09/24/2019] [Indexed: 12/26/2022] Open
Abstract
Background Gaucher disease (GD) is one of the most prevalent lysosomal storage diseases and is associated with hormonal and metabolic abnormalities, including nutritional status disorders, hypermetabolic state with high resting energy expenditures, peripheral insulin resistance, hypoadiponectinaemia, leptin and ghrelin impairments, hypolipidaemia, linear growth deceleration and growth hormone deficiency, delayed puberty, hypocalcaemia and vitamin D deficiency. Specific treatments for GD such as enzyme replacement therapy and substrate reduction therapy display significant effects on the metabolic profile of GD patients. Main body of the abstract Hormonal and metabolic disturbances observed in both adult and paediatric patients with Gaucher disease type 1 (GD1) are discussed in this review. The PubMed database was used to identify articles on endocrine and metabolic disorders in GD1. GD1 appears to facilitate the development of disorders of nutrition, glucose metabolism and vitamin D insufficiency. Metabolic and hormonal diseases may have a significant impact on the course of the underlying disease and patient quality of life. Conclusions Conditions relating to hormones and metabolism can be wide-ranging in GD1. Obtained findings were intrinsic to GD either as a deleterious process or a compensatory response and some changes detected may represent co-morbidities. Actively seeking and diagnosing endocrine and metabolic disorders are strongly recommended in GD1 patients to optimize healthcare.
Collapse
Affiliation(s)
- Małgorzata Kałużna
- Ward of Endocrinology, Metabolism and Internal Diseases Ward, Heliodor Swiecicki University Hospital, Poznan, Poland. .,Department of Endocrinology Metabolism and Internal Diseases, Poznan University of Medical Sciences, Poznan, Poland.
| | - Isabella Trzeciak
- Department of Endocrinology Metabolism and Internal Diseases, Poznan University of Medical Sciences, Poznan, Poland
| | - Katarzyna Ziemnicka
- Ward of Endocrinology, Metabolism and Internal Diseases Ward, Heliodor Swiecicki University Hospital, Poznan, Poland.,Department of Endocrinology Metabolism and Internal Diseases, Poznan University of Medical Sciences, Poznan, Poland
| | - Maciej Machaczka
- Medical Faculty, University of Rzeszow, Rzeszow, Poland.,Department of Clinical Science and Education, Division of Internal Medicine, Södersjukhuset, Karolinska Institutet, Stockholm, Sweden
| | - Marek Ruchała
- Ward of Endocrinology, Metabolism and Internal Diseases Ward, Heliodor Swiecicki University Hospital, Poznan, Poland.,Department of Endocrinology Metabolism and Internal Diseases, Poznan University of Medical Sciences, Poznan, Poland
| |
Collapse
|
5
|
Gaykwad CK, De UK, Jadhav SE, Chethan GE, Akhilesh, Sahoo NR, Mondal DB, Gaur GK, Verma MR, Chaudhuri P. Adding α-tocopherol-selenium and ascorbic acid to periparturient sow diets influences hemogram, lipid profile, leptin, oxidant/antioxidant imbalance, performance and neonatal piglet mortality. Res Vet Sci 2019; 125:360-369. [PMID: 31376718 DOI: 10.1016/j.rvsc.2019.07.014] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2018] [Revised: 05/15/2019] [Accepted: 07/17/2019] [Indexed: 11/29/2022]
Abstract
Alpha-tocopherol-selenium (ATS) and ascorbic acid (AA) are the potent antioxidants. The present study investigated whether supplementation of ATS and AA in periparturient sows has positive effects on amelioration of oxidative stress, serum immunoglobulin G (IgG), lipid profile and sows performance. For this, twenty-four pregnant multiparous sows (landrace×indigenous) were randomly distributed into four groups (6 sows per group) 20 days before expected date of farrowing as Control (basal diet); ATS (basal diet + ATS); AA (basal diet + AA) and ATS-AA (basal diet + ATS plus AA). The results of the study revealed that the concentrations of triglyceride and cholesterol significantly reduced from day -7 to day 7 of farrowing irrespective of supplementations to sows, but the leptin concentration significantly reduced on day 7 of farrowing in ATS-AA supplemented sows (p<0.05). Moreover, sows of supplemented groups experienced decreased oxidative stress and cortisol level than control sows. The serum IgG concentration was significantly increased on day 7 post-farrowing in ATS group but it was much earlier on day 2 of farrowing in ATS-AA group (p<0.001). Supplementing sows with ATS and/or AA did not influence significantly the birth weight, weaning weight and litter size at weaning (p>0.05). Although piglet survival rate was not affected significantly by supplementation, however, piglet mortality rate was lowest in ATS-AA than any other groups. It was concluded that supplementation of ATS and/or AA to sows during late gestating and early lactating period ameliorated oxidative stress, improved lipid profile and serum IgG level without influencing reproductive performance.
Collapse
Affiliation(s)
- Chandra Kiran Gaykwad
- Division of Medicine, ICAR-Indian Veterinary Research Institute, Izatnagar 243122, Uttar Pradesh, India
| | - Ujjwal Kumar De
- Division of Medicine, ICAR-Indian Veterinary Research Institute, Izatnagar 243122, Uttar Pradesh, India.
| | - Sunil E Jadhav
- Division of Animal Nutrition, ICAR-Indian Veterinary Research Institute, Izatnagar 243122, Uttar Pradesh, India
| | - G E Chethan
- Department of Veterinary Medicine, CVSc & AH, CAU, Selesih, Aizawl, Mizoram 796014, India
| | - Akhilesh
- Division of Medicine, ICAR-Indian Veterinary Research Institute, Izatnagar 243122, Uttar Pradesh, India
| | - Nihar Ranjan Sahoo
- Livestock Production and Management Section, ICAR-Indian Veterinary Research Institute, Izatnagar 243122, Uttar Pradesh, India
| | - D B Mondal
- Division of Medicine, ICAR-Indian Veterinary Research Institute, Izatnagar 243122, Uttar Pradesh, India
| | - G K Gaur
- Livestock Production and Management Section, ICAR-Indian Veterinary Research Institute, Izatnagar 243122, Uttar Pradesh, India
| | - Med Ram Verma
- Division of Livestock Economics, Statistics and Information Technology, ICAR-Indian Veterinary Research Institute, Izatnagar 243122, Uttar Pradesh, India
| | - Pallab Chaudhuri
- Division of Bacteriology and Mycology, ICAR-Indian Veterinary Research Institute, Izatnagar 243122, Uttar Pradesh, India
| |
Collapse
|
6
|
Wang M, Wei J, Li H, Ouyang X, Sun X, Tang Y, Chen H, Wang B, Li X. Leptin Upregulates Peripheral CD4 +CXCR5 +ICOS + T Cells via Increased IL-6 in Rheumatoid Arthritis Patients. J Interferon Cytokine Res 2018; 38:86-92. [PMID: 29377743 DOI: 10.1089/jir.2017.0031] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
CD4+CXCR5+ICOS+ T cells, known as Tfh (T Follicular helper) cells, are required for antibody production. Abnormal production and differentiation of Tfh cells are involved in many autoimmune diseases, including rheumatoid arthritis (RA). Leptin has the property of modulating immune system. Here, we explored the effect of leptin on CD4+CXCR5+ICOS+ T cells production in RA patients. Serum leptin levels were measured by enzyme-linked immunosorbent assay (ELISA). Peripheral blood mononuclear cells (PBMC) stimulated with CD3/CD28 were cultured in the presence and absence of leptin and with or without anti-IL-6 receptor (anti-IL-6R), anti-IL-21R, and anti-IL-12R antibody respectively. IL-6, IL-21, and IL-12 levels were determined by ELISA. Bcl-6 was detected by reverse transcription-polymerase chain reaction. STAT1, pSTAT1, STAT3, and pSTAT3 were examined by western blot. We found that leptin levels were higher in RA patients than healthy controls. Leptin-stimulated RA PBMC upregulated CD4+CXCR5+ICOS+ T cells, along with increased IL-6, IL-21, and IL-12.CD4+CXCR5+ICOS+ T cells, Bcl-6 mRNA expression, pSTAT1, and pSTAT3 obviously declined when anti-IL-6R antibody was added into leptin-treated RA PBMC, which suggested that leptin upregulated RA CD4+CXCR5+ICOS+ T cells via increased IL-6 by activation of STAT1 and STAT3. We presented an innovative mechanism on how leptin participated in RA pathogenesis.
Collapse
Affiliation(s)
- Miaomiao Wang
- 1 Department of Immunology, College of Basic Medical Science, Dalian Medical University , Dalian, Liaoning, China .,2 Department of Rheumatology and Immunology, Peking University Third Hospital , Beijing, China
| | - Jing Wei
- 1 Department of Immunology, College of Basic Medical Science, Dalian Medical University , Dalian, Liaoning, China
| | - Han Li
- 1 Department of Immunology, College of Basic Medical Science, Dalian Medical University , Dalian, Liaoning, China
| | - Xunli Ouyang
- 1 Department of Immunology, College of Basic Medical Science, Dalian Medical University , Dalian, Liaoning, China
| | - Xiaotong Sun
- 1 Department of Immunology, College of Basic Medical Science, Dalian Medical University , Dalian, Liaoning, China
| | - Yawei Tang
- 1 Department of Immunology, College of Basic Medical Science, Dalian Medical University , Dalian, Liaoning, China
| | - Haifeng Chen
- 3 Department of Rheumatology, Affiliated Wuxi People's Hospital, Nanjing Medical University , Wuxi, Jiang Su, China
| | - Bing Wang
- 1 Department of Immunology, College of Basic Medical Science, Dalian Medical University , Dalian, Liaoning, China
| | - Xia Li
- 1 Department of Immunology, College of Basic Medical Science, Dalian Medical University , Dalian, Liaoning, China
| |
Collapse
|
7
|
Gomes A, Saha PP, Bhowmik T, Dasgupta AK, Dasgupta SC. Protection against osteoarthritis in experimental animals by nanogold conjugated snake venom protein toxin gold nanoparticle- Naja kaouthia cytotoxin 1. Indian J Med Res 2018; 144:910-917. [PMID: 28474628 PMCID: PMC5433284 DOI: 10.4103/ijmr.ijmr_1078_14] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022] Open
Abstract
Background & objectives: Increased severity of osteoarthritis (OA) and adverse side effects of its treatment led to the search for alternative therapies. It was previously reported that snake venom protein toxin Naja kaouthia cytotoxin 1 (NKCT1) and gold nanoparticle (GNP) individually have potential against excremental arthritis. In this study, we analyzed the protective activity of GNP conjugated protein toxin NKCT1 (GNP-NKCT1) against experimental OA. Methods: Gold nanoparticle conjugation with NKCT1 (GNP-NKCT1) was done and its physiochemical properties were studied. OA was induced in male albino rats by intra-articular injection of bacterial collagenase and treatment was done with NKCT1/GNP-NKCT1/standard drug (indomethacin). Physical parameter (ankle diameter), urinary markers (hydroxyproline, glucosamine, pyridinoline, deoxypyridinoline), serum and synovial membrane pro-inflammatory markers [tumour necrosis factor-alpha (TNF-α), interleukin-1β (IL-1β), IL-17, vascular endothelial growth factor (VEGF)] and matrix metalloproteinase 1 (MMP1) were measured. Joint histopathology and scanning electron microscopy imaging of articular cartilage surface were also done. Results: Physical parameters, urinary markers, serum and synovial membrane pro-inflammatory makers and MMP1 were increased in arthritic rats and significantly restored after GNP-NKCT1/NKCT1 treatment. Joint histopathology and scanning electron microscopy imaging of articular cartilage surface also indicated the protective effect of GNP-NKCT1 against inflammatory response and cartilage degradation in osteoarthritic rats. Interpretation & conclusions: In this study restoration of the arthritic markers and bone degradation by GNP-NKCT1 treatment indicated the anti-osteoarthritic property of GNP-NKCT1. Further studies need to be done to confirm these findings.
Collapse
Affiliation(s)
- Antony Gomes
- Department of Physiology, Laboratory of Toxinology & Experimental Pharmacodynamics, University of Calcutta, Kolkata, India
| | - Partha Pratim Saha
- Department of Physiology, Laboratory of Toxinology & Experimental Pharmacodynamics, University of Calcutta, Kolkata, India
| | - Tanmoy Bhowmik
- Department of Physiology, Laboratory of Toxinology & Experimental Pharmacodynamics, University of Calcutta, Kolkata, India
| | | | - Subir Chandra Dasgupta
- Department of Physiology, Laboratory of Toxinology & Experimental Pharmacodynamics, University of Calcutta; Post Graduate Department of Zoology, Moulana Azad College, Kolkata, India
| |
Collapse
|
8
|
Sun X, Wei J, Tang Y, Wang B, Zhang Y, Shi L, Guo J, Hu F, Li X. Leptin-induced migration and angiogenesis in rheumatoid arthritis is mediated by reactive oxygen species. FEBS Open Bio 2017; 7:1899-1908. [PMID: 29226077 PMCID: PMC5715350 DOI: 10.1002/2211-5463.12326] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2017] [Revised: 09/03/2017] [Accepted: 09/20/2017] [Indexed: 01/18/2023] Open
Abstract
Rheumatoid arthritis (RA) is a progressive autoimmune disease affecting the joints. In this study, we investigated the role of the pro‐angiogenic factor leptin in regulating reactive oxygen species (ROS) to promote cell migration and angiogenesis in RA. We showed that leptin triggered RA fibroblast‐like synoviocyte (FLS) migration by increased ROS expression. Additionally, leptin enhanced human umbilical vein endothelial cell (HUVEC) tube formation in a ROS/hypoxia‐inducible factor‐1α‐dependent manner, accompanied by increased production of vascular endothelial growth factor and interleukin (IL)‐6. We also revealed that antagonists of tumor necrosis factor, IL‐6 and IL‐1β down‐regulated ROS production of RA FLS induced by leptin, which subsequently attenuated RA FLS migration and HUVEC tube formation. These findings demonstrated that leptin might play an important role in RA FLS migration and HUVEC angiogenesis.
Collapse
Affiliation(s)
- Xiaotong Sun
- Department of Immunology College of Basic Medical Science Dalian Medical University Liaoning China
| | - Jing Wei
- Department of Immunology College of Basic Medical Science Dalian Medical University Liaoning China
| | - Yawei Tang
- Department of Immunology College of Basic Medical Science Dalian Medical University Liaoning China
| | - Bing Wang
- Department of Immunology College of Basic Medical Science Dalian Medical University Liaoning China
| | - Yan Zhang
- Department of Rheumatology and Immunology The Second Affiliated Hospital of Dalian Medical University Liaoning China
| | - Lei Shi
- College of Basic Medical Science Dalian Medical University Liaoning China
| | - Jianping Guo
- Department of Rheumatology and Immunology Peking University People's Hospital Beijing China
| | - Fanlei Hu
- Department of Rheumatology and Immunology Peking University People's Hospital Beijing China
| | - Xia Li
- Department of Immunology College of Basic Medical Science Dalian Medical University Liaoning China
| |
Collapse
|
9
|
Vahidinia A, Rahbar AR, Shakoori Mahmoodabadi MM. Effect of Astaxanthin, Vitamin E, and Vitamin C in Combination with Calorie Restriction on Sperm Quality and Quantity in Male Rats. J Diet Suppl 2016; 14:252-263. [DOI: 10.1080/19390211.2016.1211783] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
|
10
|
Agilli M, Aydin FN, Cayci T, Kurt YG. Evaluation of leptin in subjects with type 2 diabetes mellitus. Scandinavian Journal of Clinical and Laboratory Investigation 2015; 75:434-5. [PMID: 25874480 DOI: 10.3109/00365513.2015.1033742] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Affiliation(s)
- Mehmet Agilli
- Department of Biochemistry, Agri Military Hospital , Agri
| | | | | | | |
Collapse
|
11
|
Agilli M, Aydin FN, Kurt YG, Cayci T. Evaluation of leptin with atherosclerosis in rheumatoid arthritis. J Rheumatol 2015; 42:727. [PMID: 25834241 DOI: 10.3899/jrheum.141395] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Affiliation(s)
- Mehmet Agilli
- Department of Biochemistry, Agri Military Hospital, Agri;
| | | | - Yasemin Gulcan Kurt
- Department of Medical Biochemistry, Gulhane Military Medical Academy, Ankara, Turkey
| | - Tuncer Cayci
- Department of Medical Biochemistry, Gulhane Military Medical Academy, Ankara, Turkey
| |
Collapse
|
12
|
Agilli M, Ekinci S. Effect of Leptin on the Relationship Between Body Weight and Knee Osteoarthritis-a Methodologic Approach: Comment on the Article by Fowler-Brown et al. Arthritis Rheumatol 2015; 67:1141. [DOI: 10.1002/art.39010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
|
13
|
Agilli M, Aydin FN, Kurt YG. Leptin levels in Gaucher disease type I patients: A methodological approach. Clin Nutr 2015; 34:328. [PMID: 25591980 DOI: 10.1016/j.clnu.2014.12.017] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2014] [Accepted: 12/17/2014] [Indexed: 01/15/2023]
Affiliation(s)
- Mehmet Agilli
- Department of Biochemistry, Agri Military Hospital, Agri, Turkey.
| | - Fevzi Nuri Aydin
- Department of Biochemistry, Sirnak Military Hospital, Sirnak, Turkey
| | - Yasemin Gulcan Kurt
- Department of Medical Biochemistry, Gulhane Military Medical Academy, Ankara, Turkey
| |
Collapse
|
14
|
The shifting perception on antioxidants: the case of vitamin E and β-carotene. Redox Biol 2015; 4:272-8. [PMID: 25625581 PMCID: PMC4803796 DOI: 10.1016/j.redox.2014.12.017] [Citation(s) in RCA: 45] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2014] [Revised: 12/22/2014] [Accepted: 12/28/2014] [Indexed: 12/11/2022] Open
Abstract
Antioxidants are vital for aerobic life, and for decades the expectations of antioxidants as health promoting agents were very high. However, relatively recent meta-analyses of clinical studies show that supplementation of antioxidants does not result in the presumed health benefit, but is associated with increased mortality. The dilemma that still needs to be solved is: what are antioxidants in the end, healthy or toxic? We have evaluated this dilemma by examining the presumed health effects of two individual antioxidants with opposite images i.e. the “poisonous” β-carotene and the “wholesome” vitamin E and focused on one aspect, namely their role in inducing BPDE-DNA adducts. It appears that both antioxidants promote DNA adduct formation indirectly by inhibition of the protective enzyme glutathione-S-transferase π (GST π). Despite their opposite image, both antioxidants display a similar type of toxicity. It is concluded that, in the appreciation of antioxidants, first their benefits should be identified and substantiated by elucidating their molecular mechanism. Subsequently, the risks should be identified including the molecular mechanism. The optimal benefit–risk ratio has to be determined for each antioxidant and each individual separately, also considering the dose. To date, the debate on the health benefit of antioxidants continues. The effect of vitamin E and β-carotene on BPDE-DNA adduct formation was evaluated. Both antioxidants promote DNA adduct formation by inhibition of GST π. Accurate benefit–risk analyses give a balanced view on the effects of antioxidants.
Collapse
|
15
|
Ozawa T, Sone H, Nishizawa M. Reply to: Relationship between leptin and blood pressure in patients with multiple system atrophy. J Neurol Sci 2015; 348:285. [PMID: 25499822 DOI: 10.1016/j.jns.2014.11.029] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2014] [Accepted: 11/24/2014] [Indexed: 11/29/2022]
Affiliation(s)
- Tetsutaro Ozawa
- Department of Neurology, Brain Research Institute, Niigata University, 1-757 Asahimachi-dori Chuoku, Niigata 951-8585, Japan.
| | - Hirohito Sone
- Department of Hematology, Endocrinology and Metabolism, Niigata University Faculty of Medicine, 1 Asahimachi-dori Chuoku, Niigata 951-8510, Japan
| | - Masatoyo Nishizawa
- Department of Neurology, Brain Research Institute, Niigata University, 1-757 Asahimachi-dori Chuoku, Niigata 951-8585, Japan
| |
Collapse
|
16
|
Evaluation of leptin, thought as a cancer-related biomarker, in postmenopausal women. Cancer Causes Control 2015; 26:163-4. [DOI: 10.1007/s10552-014-0488-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2014] [Accepted: 10/28/2014] [Indexed: 10/24/2022]
|
17
|
Relationship between leptin and blood pressure in patients with multiple system atrophy. J Neurol Sci 2015; 348:284. [DOI: 10.1016/j.jns.2014.11.030] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2014] [Revised: 10/23/2014] [Accepted: 11/24/2014] [Indexed: 10/24/2022]
|