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Al-Saoodi H, Kolahdooz F, Andersen JR, Jalili M. Effect of vitamin D on inflammatory and clinical outcomes in patients with rheumatoid arthritis: a systematic review and dose-response meta-analysis of randomized controlled trials. Nutr Rev 2024; 82:600-611. [PMID: 37437898 DOI: 10.1093/nutrit/nuad083] [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] [Indexed: 07/14/2023] Open
Abstract
CONTEXT Rheumatoid arthritis is a chronic inflammatory disease that causes synovitis. Vitamin D deficiency is common in rheumatoid arthritis. OBJECTIVE This systematic review and meta-analysis investigated whether vitamin D supplementation affects the inflammatory and clinical outcomes in patients with rheumatoid arthritis on the basis of randomized clinical trials. DATA SOURCES A literature search was performed in the Cochrane Central Register of Controlled Trials (CENTRAL), PubMed, MEDLINE, Embase, and Google Scholar for articles published until May 2022. DATA EXTRACTION The studies were selected according to PRISMA guidelines, and the risk of bias was assessed for randomized controlled trials. DATA ANALYSIS A random effects model was used to conduct a meta-analysis, and heterogeneity was assessed using the I2 statistic. Of 464 records, 11 studies were included from 3049 patients. Conclusion: Vitamin D supplementation did not significantly reduce C-reactive protein (CRP), erythrocyte sedimentation rate (ESR), disease activity score in 28 joints (DAS28), or the health assessment questionnaire score; however, the response to supplementation was highly heterogeneous. The pooled analysis showed that vitamin D significantly reduced the pain-visual analogue scale (VAS) weighted mean difference (WMD = -1.30, 95% confidence interval [CI] [-2.34, -27], P = .01), DAS28-CRP (WMD = -.58, 95% CI [-.86, -.31], P < .0001), and DAS28-ESR (WMD = -.58, 95% CI [-.86, -.31], P = .0001). Subgroup analysis for vitamin D doses (>100 µg per day versus <100 µg per day) showed that the higher doses had a more significant effect on CRP than the lower doses (P < .05). CONCLUSIONS There was no significant difference between the effect of 2 vitamin D doses on ESR and DAS28. To minimize the high heterogeneity among studies in this meta-analysis, other confounding factors such as baseline vitamin D, age, dietary vitamin D, time of year, sun exposure, drug interaction, effect dosage, and power of study should be examined.
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Affiliation(s)
- Hagir Al-Saoodi
- Preventive and Clinical Nutrition Group, Department of Nutrition, Exercise and Sports, Faculty of Science, University of Copenhagen, Frederiksberg C, Denmark
| | - Fariba Kolahdooz
- Indigenous Global Health Research Group, Department of Medicine, College of Health Sciences, University of Alberta, Edmonton, Canada
| | - Jens Rikardt Andersen
- Preventive and Clinical Nutrition Group, Department of Nutrition, Exercise and Sports, Faculty of Science, University of Copenhagen, Frederiksberg C, Denmark
| | - Mahsa Jalili
- Preventive and Clinical Nutrition Group, Department of Nutrition, Exercise and Sports, Faculty of Science, University of Copenhagen, Frederiksberg C, Denmark
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Słota D, Piętak K, Jampilek J, Sobczak-Kupiec A. Polymeric and Composite Carriers of Protein and Non-Protein Biomolecules for Application in Bone Tissue Engineering. MATERIALS (BASEL, SWITZERLAND) 2023; 16:2235. [PMID: 36984115 PMCID: PMC10059071 DOI: 10.3390/ma16062235] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/30/2023] [Revised: 03/02/2023] [Accepted: 03/08/2023] [Indexed: 06/18/2023]
Abstract
Conventional intake of drugs and active substances is most often based on oral intake of an appropriate dose to achieve the desired effect in the affected area or source of pain. In this case, controlling their distribution in the body is difficult, as the substance also reaches other tissues. This phenomenon results in the occurrence of side effects and the need to increase the concentration of the therapeutic substance to ensure it has the desired effect. The scientific field of tissue engineering proposes a solution to this problem, which creates the possibility of designing intelligent systems for delivering active substances precisely to the site of disease conversion. The following review discusses significant current research strategies as well as examples of polymeric and composite carriers for protein and non-protein biomolecules designed for bone tissue regeneration.
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Affiliation(s)
- Dagmara Słota
- Department of Materials Science, Faculty of Materials Engineering and Physics, Cracow University of Technology, 37 Jana Pawła II Av., 31-864 Krakow, Poland
| | - Karina Piętak
- Department of Materials Science, Faculty of Materials Engineering and Physics, Cracow University of Technology, 37 Jana Pawła II Av., 31-864 Krakow, Poland
| | - Josef Jampilek
- Department of Analytical Chemistry, Faculty of Natural Sciences, Comenius University, Ilkovicova 6, 842 15 Bratislava, Slovakia
- Department of Chemical Biology, Faculty of Science, Palacky University Olomouc, Slechtitelu 27, 783 71 Olomouc, Czech Republic
| | - Agnieszka Sobczak-Kupiec
- Department of Materials Science, Faculty of Materials Engineering and Physics, Cracow University of Technology, 37 Jana Pawła II Av., 31-864 Krakow, Poland
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Tintut Y, Demer LL. Potential impact of the steroid hormone, vitamin D, on the vasculature. Am Heart J 2021; 239:147-153. [PMID: 34051171 DOI: 10.1016/j.ahj.2021.05.012] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/11/2020] [Accepted: 05/20/2021] [Indexed: 02/06/2023]
Abstract
The role of vitamin D in the cardiovascular system is complex because it regulates expression of genes involved in diverse metabolic processes. Although referred to as a vitamin, it is more accurately considered a steroid hormone, because it is produced endogenously in the presence of ultraviolet light. It occurs as a series of sequentially activated forms, here referred to as vitamin D-hormones. A little-known phenomenon, based on pre-clinical data, is that its biodistribution and potential effects on vascular disease likely depend on whether it is derived from diet or sunlight. Diet-derived vitamin D-hormones are carried in the blood, at least in part, in chylomicrons and lipoprotein particles, including low-density lipoprotein. Since low-density lipoprotein is known to accumulate in the artery wall and atherosclerotic plaque, diet-derived vitamin D-hormones may also collect there, and possibly promote the osteochondrogenic mineralization associated with plaque. Also, little known is the fact that the body stores vitamin D-hormones in adipose tissue with a half-life on the order of months, raising doubts about whether the use of the term "daily requirement" is appropriate. Cardiovascular effects of vitamin D-hormones are controversial, and risk appears to increase with both low and high blood levels. Since low serum vitamin D-hormone concentration is reportedly associated with increased cardiovascular and orthopedic risk, oral supplementation is widely used, often together with calcium supplements. However, meta-analyses show that oral vitamin D-hormone supplementation does not protect against cardiovascular events, findings that are also supported by a randomized controlled trial. These considerations suggest that prevalent recommendations for vitamin D-hormone supplementation for the purpose of cardiovascular protection should be carefully reconsidered.
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Affiliation(s)
- Yin Tintut
- Department of Medicine, University of California, Los Angeles (UCLA), Los Angeles, CA; Department of Physiology, University of California, Los Angeles (UCLA), Los Angeles, CA; Department of Orthopaedic Surgery, University of California, Los Angeles (UCLA), Los Angeles, CA
| | - Linda L Demer
- Department of Medicine, University of California, Los Angeles (UCLA), Los Angeles, CA; Department of Physiology, University of California, Los Angeles (UCLA), Los Angeles, CA; Department of Bioengineering, University of California, Los Angeles (UCLA), Los Angeles, CA; VA Greater Los Angeles Healthcare System, Los Angeles, Los Angeles, CA.
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Almeida YE, Fessel MR, do Carmo LS, Jorgetti V, Farias-Silva E, Pescatore LA, Gamarra LF, Andrade MC, Simplicio-Filho A, Mangueira CLP, Rangel ÉB, Liberman M. Excessive cholecalciferol supplementation increases kidney dysfunction associated with intrarenal artery calcification in obese insulin-resistant mice. Sci Rep 2020; 10:87. [PMID: 31919470 PMCID: PMC6952360 DOI: 10.1038/s41598-019-55501-3] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2019] [Accepted: 11/29/2019] [Indexed: 12/13/2022] Open
Abstract
Diabetes mellitus accelerates vascular calcification (VC) and increases the risk of end-stage renal disease (ESRD). Nevertheless, the impact of VC in renal disease progression in type 2 diabetes mellitus (T2DM) is poorly understood. We addressed the effect of VC and mechanisms involved in renal dysfunction in a murine model of insulin resistance and obesity (ob/ob), comparing with their healthy littermates (C57BL/6). We analyzed VC and renal function in both mouse strains after challenging them with Vitamin D3 (VitD3). Although VitD3 similarly increased serum calcium and induced bone disease in both strains, 24-hour urine volume and creatinine pronouncedly decreased only in ob/ob mice. Moreover, ob/ob increased urinary albumin/creatinine ratio (ACR), indicating kidney dysfunction. In parallel, ob/ob developed extensive intrarenal VC after VitD3. Coincidently with increased intrarenal vascular mineralization, our results demonstrated that Bone Morphogenetic Protein-2 (BMP-2) was highly expressed in these arteries exclusively in ob/ob. These data depict a greater susceptibility of ob/ob mice to develop renal disease after VitD3 in comparison to paired C57BL/6. In conclusion, this study unfolds novel mechanisms of progressive renal dysfunction in diabetes mellitus (DM) after VitD3 in vivo associated with increased intrarenal VC and highlights possible harmful effects of long-term supplementation of VitD3 in this population.
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Affiliation(s)
- Youri E Almeida
- Hospital Israelita Albert Einstein, São Paulo/SP, 01425001, Brazil
| | - Melissa R Fessel
- Hospital Israelita Albert Einstein, São Paulo/SP, 01425001, Brazil
| | | | - Vanda Jorgetti
- Department of Nephrology, Medical School, Universidade de São Paulo, São Paulo/SP, 01246000, Brazil
| | | | - Luciana Alves Pescatore
- Hospital Israelita Albert Einstein, São Paulo/SP, 01425001, Brazil
- Laboratório de Biologia Vascular, LIM-64, InCor, Hospital das Clinicas HCFMUSP, Faculdade de Medicina, Universidade de Sao Paulo, São Paulo/SP, Brazil
| | - Lionel F Gamarra
- Hospital Israelita Albert Einstein, São Paulo/SP, 01425001, Brazil
| | | | | | | | - Érika B Rangel
- Hospital Israelita Albert Einstein, São Paulo/SP, 01425001, Brazil
| | - Marcel Liberman
- Hospital Israelita Albert Einstein, São Paulo/SP, 01425001, Brazil.
- Laboratório de Biologia Vascular, LIM-64, InCor, Hospital das Clinicas HCFMUSP, Faculdade de Medicina, Universidade de Sao Paulo, São Paulo/SP, Brazil.
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Barton M, Meyer MR, Prossnitz ER. Nox1 downregulators: A new class of therapeutics. Steroids 2019; 152:108494. [PMID: 31518594 PMCID: PMC6891104 DOI: 10.1016/j.steroids.2019.108494] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/04/2019] [Revised: 08/29/2019] [Accepted: 09/06/2019] [Indexed: 02/07/2023]
Abstract
Chronic non-communicable diseases share the pathomechanism of increased reactive oxygen species (ROS) production by nicotinamide adenine dinucleotide phosphate (NADPH) oxidases, known as Nox. The recent discovery that expression of Nox1, a Nox isoform that has been implicated in the pathogenesis of cardiovascular and kidney disease and cancer is regulated by the expression and activity of G protein-coupled estrogen receptor (GPER) led to the identification of orally active small-molecule GPER blockers as selective Nox1 downregulators (NDRs). Preclinical studies using NDRs have demonstrated beneficial effects in vascular disease, hypertension, and glomerular renal injury. These findings suggest the therapeutic potential of NDRs, which reduce Nox1 protein levels, not only for cardiovascular disease conditions including arterial hypertension, pulmonary hypertension, heart failure with preserved ejection fraction (HFpEF), and chronic renal disease, but also for other non-communicable diseases, such as cerebrovascular disease and vascular dementia, Alzheimer's disease, autoimmune diseases and cancer, in which elevated Nox1-derived ROS production plays a causal role.
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Affiliation(s)
- Matthias Barton
- Molecular Internal Medicine, University of Zürich, Zürich, Switzerland; Andreas Grüntzig Foundation, Zürich, Switzerland.
| | - Matthias R Meyer
- Division of Cardiology, Triemli City Hospital, Zürich, Switzerland; Institute of Primary Care, University of Zürich, Zürich, Switzerland
| | - Eric R Prossnitz
- Division of Molecular Medicine, Department of Internal Medicine, Health Sciences Center, Albuquerque, NM, USA; University of New Mexico Comprehensive Cancer Center, University of New Mexico, Health Sciences Center, Albuquerque, NM, USA
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