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Chen C, Liu S, Liu J, Zheng Z, Zheng Y, Lin Z, Liu Y. No causal effect of genetically determined circulating homocysteine levels on psoriasis in the European population: evidence from a Mendelian randomization study. Front Immunol 2023; 14:1288632. [PMID: 38022504 PMCID: PMC10663369 DOI: 10.3389/fimmu.2023.1288632] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2023] [Accepted: 10/23/2023] [Indexed: 12/01/2023] Open
Abstract
Background Although numerous studies demonstrated a link between plasma homocysteine (Hcy) levels and psoriasis, there still exists a certain level of controversy. Therefore, we conducted a Mendelian randomization study to investigate whether homocysteine plays a causative role in the development or exacerbation of psoriasis. Methods A two-sample Mendelian randomization (MR) analysis was conducted. Summary-level data for psoriasis were acquired from the latest R9 release results from the FinnGen consortium (9,267 cases and 364,071 controls). Single nucleotide polymorphisms (SNPs) robustly linked with plasma Hcy levels at the genome-wide significance threshold (p < 5 × 10-8) (18 SNPs) were recognized from the genome-wide meta-analysis on total Hcy concentrations (n = 44,147 participants) in individuals of European ancestry. MR analyses were performed utilizing the random-effect inverse variance-weighted (IVW), weighted median, and MR-Egger regression methods to estimate the associations between the ultimately filtrated SNPs and psoriasis. Sensitivity analyses were conducted to evaluate heterogeneity and pleiotropy. Results MR analyses revealed no causal effects of plasma Hcy levels on psoriasis [IVW: odds ratio (OR) = 0.995 (0.863-1.146), p = 0.941; weighed median method: OR = 0.985 (0.834-1.164), p = 0.862; MR-Egger regression method: OR = 0.959 (0.704-1.305), p = 0.795]. The sensitivity analyses displayed no evidence of heterogeneity and directional pleiotropy, and the causal estimates of Hcy levels were not influenced by any individual SNP. Conclusion Our study findings did not demonstrate a causal effect of genetically determined circulating Hcy levels on psoriasis.
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Affiliation(s)
- Chaojian Chen
- Department of Clinical Medicine, Shantou University Medical College, Shantou, China
| | - Shuo Liu
- Department of Clinical Medicine, Shantou University Medical College, Shantou, China
| | - Junhao Liu
- Department of Clinical Medicine, Shantou University Medical College, Shantou, China
| | - Ziqi Zheng
- Department of Clinical Medicine, Shantou University Medical College, Shantou, China
| | - Yixi Zheng
- Department of Clinical Medicine, Shantou University Medical College, Shantou, China
| | - Zhongliang Lin
- Department of Clinical Medicine, Shantou University Medical College, Shantou, China
| | - Yuchun Liu
- The Intensive Care Unit, Jieyang People’s Hospital, Jieyang, China
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Prtina A, Rašeta Simović N, Milivojac T, Vujnić M, Grabež M, Djuric D, Stojiljković MP, Soldat Stanković V, Čolić MJ, Škrbić R. The Effect of Three-Month Vitamin D Supplementation on the Levels of Homocysteine Metabolism Markers and Inflammatory Cytokines in Sera of Psoriatic Patients. Biomolecules 2021; 11:biom11121865. [PMID: 34944509 PMCID: PMC8699679 DOI: 10.3390/biom11121865] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2021] [Revised: 11/30/2021] [Accepted: 12/06/2021] [Indexed: 12/13/2022] Open
Abstract
Psoriasis is an autoimmune and inflammatory skin disease. Psoriatic patients express higher levels of plasma homocysteine (Hcy) concentration and pro-inflammatory mediators than healthy people; this is frequently associated with vitamin D deficiency. The aim of this clinical study was to investigate the effects of high doses of vitamin D supplementation on the parameters of Hcy metabolism and cytokines in sera of psoriatic patients. This prospective study was conducted on 40 psoriatic patients who had the vitamin D deficiency. All patients received vitamin D 5000 IU/day for three months. Clinical and biochemical measurements were taken at baseline and at follow up (3 months). The results showed that the severity of clinical features, measured by the psoriasis area severity index (PASI) score, were considerably improved in patients after vitamin D supplementation. After vitamin D supplementation, most of the patients (n = 25 or 62.5%) had mild clinical form (p < 0.001). After twelve weeks of intervention period, there were significant increases in vitamin D and B12 serum levels in comparison to the levels that had been measured at the beginning of the study (56.77 ± 14.66 nmol/L and 301.08 ± 95.02 pg/mL vs. 103.85 ± 32.20 nmol/L and 362.81 ± 118.56 pg/mL, respectively; p < 0.001). Moreover, serum levels of Hcy and folate were significantly lower at the end of the study in comparison with the initial levels (12.45 ± 1.92 µmol/L and 8.01 ± 3.88 mg/mL vs. 10.38 ± 1.66 µmol/L and 6.27 ± 2.60 mg/mL, respectively). High doses of vitamin D supplementation led to a significant decrease in pro-inflammatory cytokines (IFN-ɤ, TNF-α, IL-1β, IL-6, IL-8, and IL-17) and high-sensitivity C-reactive protein (hsCRP), whereas the production of anti-inflammatory cytokines (IL-10, IL-5) was up-regulated. In conclusion, supplementation with high doses of vitamin D could be one of the possible preventive and therapeutic measures to reduce systemic inflammation in psoriatic patients.
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Affiliation(s)
- Alma Prtina
- Center for Biomedical Research, Department of Pathophysiology, Faculty of Medicine, University of Banja Luka, 78000 Banja Luka, Bosnia and Herzegovina; (A.P.); (N.R.S.); (T.M.); (M.V.)
| | - Nela Rašeta Simović
- Center for Biomedical Research, Department of Pathophysiology, Faculty of Medicine, University of Banja Luka, 78000 Banja Luka, Bosnia and Herzegovina; (A.P.); (N.R.S.); (T.M.); (M.V.)
| | - Tatjana Milivojac
- Center for Biomedical Research, Department of Pathophysiology, Faculty of Medicine, University of Banja Luka, 78000 Banja Luka, Bosnia and Herzegovina; (A.P.); (N.R.S.); (T.M.); (M.V.)
| | - Milorad Vujnić
- Center for Biomedical Research, Department of Pathophysiology, Faculty of Medicine, University of Banja Luka, 78000 Banja Luka, Bosnia and Herzegovina; (A.P.); (N.R.S.); (T.M.); (M.V.)
| | - Milkica Grabež
- Department of Preventive Medicine, Faculty of Medicine, University of Banja Luka, 78000 Banja Luka, Bosnia and Herzegovina;
| | - Dragan Djuric
- Institute of Medical Physiology “Richard Burian”, Faculty of Medicine, University of Belgrade, 11000 Belgrade, Serbia;
- Faculty of Medicine, University of Banja Luka, 78000 Banja Luka, Bosnia and Herzegovina
| | - Miloš P. Stojiljković
- Department of Pharmacology, Toxicology and Clinical Pharmacology, Faculty of Medicine, University of Banja Luka, 78000 Banja Luka, Bosnia and Herzegovina;
| | - Valentina Soldat Stanković
- Internal Medicine Clinic, University Clinical Center of the Republic of Srpska, Faculty of Medicine, University of Banja Luka, 78000 Banja Luka, Bosnia and Herzegovina;
| | - Miodrag J. Čolić
- Medical Faculty Foča, University of East Sarajevo, 73300 Foča, Bosnia and Herzegovina;
| | - Ranko Škrbić
- Department of Pharmacology, Toxicology and Clinical Pharmacology, Faculty of Medicine, University of Banja Luka, 78000 Banja Luka, Bosnia and Herzegovina;
- Correspondence: ; Tel.: +387-51-234-101
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Abstract
Nutrition and dietary supplements are commonly used in the management of psoriasis; however, evidence of their efficacy is inconsistent. Although some dietary interventions have been shown to improve psoriasis consistently, others have little evidence supporting their use. We review common dietary interventions for the management of psoriasis and the evidence behind them. Caloric restriction, especially in overweight and obese individuals, has been shown to consistently diminish psoriatic activity. Evidence about other supplements and dietary interventions is inconsistent. Given the cost and side effects of pharmaceutical treatments for psoriasis, larger, long-term studies on the use of nutrition for the management of psoriasis are necessary.
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Affiliation(s)
- Sonal Muzumdar
- University of Connecticut School of Medicine, Farmington, Connecticut, USA
| | - Marti J Rothe
- Department of Dermatology, University of Connecticut Health Center, Farmington, Connecticut, USA.
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4
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Aryanian Z, Shojaee N, Goodarzi A, Shirzadian A, Hatami P. Influence of Narrow-Band Ultra Violet B Phototherapy on Homocysteine Status: A Prospective Study of Patients with Different Cutaneous Disorders. PHOTOBIOMODULATION PHOTOMEDICINE AND LASER SURGERY 2021; 39:607-611. [PMID: 34546111 DOI: 10.1089/photob.2021.0025] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
Background: Artificial ultraviolet (UV) radiation is a mainstay in the treatment of a variety of inflammatory skin disorders. Despite existence from a wealth of studies on the impact of narrow-band UVB (NBUVB) on serum levels of nutrients, clinical data on its effect on serum homocysteine (HC) level, which is thought to be a risk factor for cardiovascular disorders, dementia, and depression, are scarce. Objective: To assess serum HC status before and after treatment with at least 30 sessions of NBUVB exposure in patients with various cutaneous disorders. Methods: A prospective cohort study was conducted on 39 patients with psoriasis, vitiligo, atopic dermatitis, and mycosis fungoides who underwent at least 30 sessions of NBUVB phototherapy. Serum HC was measured and compared before and after phototherapy. This study was approved by relevant ethics committee. Results: Levels of HC decreased by 24.8% after 30 sessions of NBUVB phototherapy (10.53 ± 3.64 μmol/L vs. 7.92 ± 3.26 μmol/L, p-value <0.0001) and this decrease was more prominent in male participants and patients older than 40 years. Conclusions: Based to our findings, NBUVB phototherapy might be a modality of choice especially for older male patients not only as an effective treatment for cutaneous conditions, but also as a modality with potential protective effects against cardio-cerebro-vascular accidents.
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Affiliation(s)
- Zeinab Aryanian
- Autoimmune Bullous Diseases Research Center, Razi Hospital, Tehran University of Medical Sciences, Tehran, Iran.,Department of Dermatology, Babol University of Medical Sciences, Babol, Iran
| | - Neda Shojaee
- Department of Dermatology, Babol University of Medical Sciences, Babol, Iran
| | - Azadeh Goodarzi
- Department of Dermatology, School of Medicine, Rasoul Akram Hospital, Iran University of Medical Sciences, Tehran, Iran
| | - Azar Shirzadian
- Department of Dermatology, Babol University of Medical Sciences, Babol, Iran
| | - Parvaneh Hatami
- Autoimmune Bullous Diseases Research Center, Razi Hospital, Tehran University of Medical Sciences, Tehran, Iran
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5
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Insight into the Metabolite Pattern of Psoriasis: Correlation among Homocysteine, Methionine, and Polyamines. Symmetry (Basel) 2021. [DOI: 10.3390/sym13040606] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Psoriasis is an incurable dermatological disorder, characterized by increased epidermal cell proliferation. Numerous studies have focused on the modulation of polyamine (PA) metabolism in psoriatic lesions, as well as the relationship between serum homocysteine (Hcy) levels and psoriasis severity. The correlation between Hcy and PA levels has not been investigated, although both of them depend on methionine (Met) loading. The aim of this study was to examine Met, Hcy, and polyamine levels in serum, saliva, lesions, and non-affected skin to investigate the eventual relationship between their levels in skin samples and to assess the correlation of each metabolite among the tested samples. This study was conducted on 24 patients with plaque-form psoriasis vulgaris. The original LC-MS/MS method was used for quantification of analytes. Hyperhomocysteinemia was observed and the serum levels of spermidine (Spd) and spermine (Spm) were also found to be elevated. A significant increase in Met (p < 0.05) and Spm (p < 0.001) concentrations in the psoriatic plaques were found, when compared to the non-affected skin. Significant correlations were established between all polyamines levels and between methionine and spermine in both types of cutaneous samples. This study illustrates the tight relationship between Met and Polyamine levels in epidermis of psoriatic patients. Our results could be helpful in psoriasis treatment, highlighting the importance of the balanced protein diet and intake of vitamins B12 and B9.
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Abstract
Psoriasis is caused by a complex interplay among the immune system, genetic background, autoantigens, and environmental factors. Recent studies have demonstrated that patients with psoriasis have a significantly higher serum homocysteine (Hcy) level and a higher prevalence of hyperhomocysteinaemia (HHcy). Insufficiency of folic acid and vitamin B12 can be a cause of HHcy in psoriasis. Hcy may promote the immuno-inflammatory process in the pathogenesis of psoriasis by activating Th1 and Th17 cells and neutrophils, while suppressing regulatory T cells. Moreover, Hcy can drive the immuno-inflammatory process by enhancing the production of the pro-inflammatory cytokines in related to psoriasis. Hcy can induce nuclear factor kappa B activation, which is critical in the immunopathogenesis of psoriasis. There may be a link between the oxidative stress state in psoriasis and the effect of HHcy. Hydrogen sulfide (H2S) may play a protective role in the pathogenesis of psoriasis and the deficiency of H2S in psoriasis may be caused by HHcy. As the role of Hcy in the pathogenesis of psoriasis is most likely established, Hcy can be a potential therapeutic target for the treatment of psoriasis. Systemic folinate calcium, a folic acid derivative, and topical vitamin B12 have found to be effective in treating psoriasis.
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7
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Tomita LY, da Costa AC, Andreoni S, Oyafuso LK, D’Almeida V, Fonseca FL, Rocha AC, Kobata C. Folate Nutritional Status among Psoriasis Patients not Exposed to Antifolate Drug. CURRENT NUTRITION & FOOD SCIENCE 2020. [DOI: 10.2174/1573401314666180702100301] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Background:
Folic acid fortification program has been established to prevent tube defects.
However, concern has been raised among patients using anti-folate drug, i.e. psoriatic patients, a
common, chronic, autoimmune inflammatory skin disease associated with obesity and smoking.
Objective:
To investigate dietary and circulating folate, vitamin B12 (B12) and homocysteine (hcy) in
psoriatic subjects exposed to the national mandatory folic acid fortification program.
Methods:
Cross-sectional study using the Food Frequency Questionnaire, plasma folate, B12, hcy and
psoriasis severity using the Psoriasis Area and Severity Index score. Median, interquartile ranges
(IQRs) and linear regression models were conducted to investigate factors associated with plasma folate,
B12 and hcy.
Results:
82 (73%) mild psoriasis, 18 (16%) moderate and 12 (11%) severe psoriasis. 58% female,
61% non-white, 31% former smokers, and 20% current smokers. Median (IQRs) were 51 (40, 60)
years. Only 32% reached the Estimated Average Requirement of folate intake. Folate and B12 deficiencies
were observed in 9% and 6% of the blood sample respectively, but hyperhomocysteinaemia
in 21%. Severity of psoriasis was negatively correlated with folate and B12 concentrations. In a multiple
linear regression model, folate intake contributed positively to 14% of serum folate, and negative
predictors were psoriasis severity, smoking habits and saturated fatty acid explaining 29% of circulating
folate.
Conclusion:
Only one third reached dietary intake of folate, but deficiencies of folate and B12 were
low. Psoriasis severity was negatively correlated with circulating folate and B12. Stopping smoking
and a folate rich diet may be important targets for managing psoriasis.
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Affiliation(s)
- Luciana Y. Tomita
- Departamento de Medicina Preventiva, Escola Paulista de Medicina (EPM), Universidade Federal de Sao Paulo (UNIFESP), Sao Paulo, Brazil
| | | | - Solange Andreoni
- Departamento de Medicina Preventiva, Escola Paulista de Medicina (EPM), Universidade Federal de Sao Paulo (UNIFESP), Sao Paulo, Brazil
| | | | - Vânia D’Almeida
- Departamento de Psicobiologia, EPM, UNIFESP, Sao Paulo, Brazil
| | | | - Ana C.L. Rocha
- Departamento de Medicina Preventiva, Escola Paulista de Medicina (EPM), Universidade Federal de Sao Paulo (UNIFESP), Sao Paulo, Brazil
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Sonawane K, Zhu Y, Chan W, Aguilar D, Deshmukh AA, Suarez-Almazor ME. Association of Serum Folate Levels With Cardiovascular Mortality Among Adults With Rheumatoid Arthritis. JAMA Netw Open 2020; 3:e200100. [PMID: 32101310 PMCID: PMC7137687 DOI: 10.1001/jamanetworkopen.2020.0100] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
IMPORTANCE Patients with rheumatoid arthritis (RA) are at high risk for cardiovascular (CV) mortality, attributed to chronic inflammation coupled with elevated circulatory homocysteine levels. Increasing the serum folate level reduces homocysteine, but the association of serum folate concentration with CV mortality in patients with RA has not been previously examined. OBJECTIVE To examine the association of serum folate concentration and CV mortality risk among patients with RA. DESIGN, SETTING, AND PARTICIPANTS A cohort study of the third National Health and Nutrition Examination Survey (1988-1994) and 2011 Linked Mortality File was performed. Adults aged 18 years or older with self-reported physician-diagnosed RA were included. Data analysis was performed between April 2019 and June 2019. EXPOSURE Serum folate level. MAIN OUTCOMES AND MEASURES All-cause and CV mortality risk estimated using Cox proportional hazards models, adjusted for the complex survey design and patient characteristics, including demographic characteristics, body mass index, C-reactive protein level, smoking, RA medication use, and comorbid conditions. RESULTS A total of 683 patients with RA (mean [SE] age, 55.9 [1.0] years; 225 [30.2%] men; 478 [87.0%] white) were classified into tertiles based on serum folate levels, as follows: tertile 1, folate levels less than 4.3 ng/mL (n = 239); tertile 2, folate levels 4.3 ng/mL to 8.2 ng/mL (n = 234); and tertile 3, folate levels greater than 8.2 ng/mL (n = 210). During a median (interquartile range) follow-up of 17.4 (10.0-19.4) years, a total of 392 all-cause deaths and 258 CV deaths occurred. Compared with tertile 1, patients in tertile 2 had lower all-cause mortality risk (hazard ratio [HR], 0.63; 95% CI, 0.47-0.85). The risk of CV mortality was lower among patients in tertile 2 (HR, 0.52; 95% CI, 0.30-0.92) and tertile 3 (HR, 0.44; 95% CI, 0.26-0.75) compared with those in tertile 1 (P for trend = .01). Findings for CV mortality were consistent in a sensitivity analysis that estimated 10-year risk; patients in tertile 2 (HR, 0.31; 95% CI, 0.17-0.57) and tertile 3 (HR, 0.39; 95% CI, 0.22-0.69) had lower CV mortality risk compared with those in tertile 1 (P for trend = .04). CONCLUSIONS AND RELEVANCE Among patients with RA, a serum folate level of at least 4.3 ng/mL was associated with lower CV mortality risk. Further research is needed to examine whether a causal relationship exists between serum folate and CV risk among patients with RA.
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Affiliation(s)
- Kalyani Sonawane
- Center for Healthcare Data, Department of Management, Policy, and Community Health, School of Public Health, University of Texas Health Science Center at Houston
- Center for Health Services Research, Department of Management, Policy, and Community Health, School of Public Health, University of Texas Health Science Center at Houston
| | - Yenan Zhu
- Department of Management, Policy, and Community Health, University of Texas Health Science Center at Houston
| | - Wenyaw Chan
- Department of Biostatistics and Data Science, University of Texas Health Science Center at Houston
| | - David Aguilar
- Department of Medicine, Division of Cardiology, University of Texas Health Medical School at Houston
- Department of Epidemiology, Human Genetics and Environmental Sciences, University of Texas Health Science Center at Houston
| | - Ashish A. Deshmukh
- Center for Health Services Research, Department of Management, Policy, and Community Health, School of Public Health, University of Texas Health Science Center at Houston
| | - Maria E. Suarez-Almazor
- Department of General Internal Medicine, The University of Texas MD Anderson Cancer Center, Houston
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Kim JE, Lee HJ, Lee JS, Whang KU, Park YL, Lee SY, Kim HJ. Association between Homocysteine Levels and Psoriasis: A Meta-Analysis. Ann Dermatol 2019; 31:378-386. [PMID: 33911615 PMCID: PMC7992747 DOI: 10.5021/ad.2019.31.4.378] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2018] [Revised: 12/10/2018] [Accepted: 12/17/2018] [Indexed: 02/05/2023] Open
Abstract
Background Psoriasis is a multifactorial disease associated with an increased risk for metabolic syndrome and cardiovascular diseases. Elevated levels of homocysteine (Hcy) are a marker of cardiovascular risk. Several studies have evaluated the associations between psoriasis and Hcy levels; however, the results remain inconclusive. Objective We performed a systematic review of the literature and a meta-analysis to better understand the relationship between psoriasis and Hcy. Methods Five scientific databases (MEDLINE, Embase, Cochrane Library, Scopus, and Web of Science) were searched to identify relevant studies. A review of 307 publications identified 16 studies that directly assessed plasma levels of Hcy in psoriasis patients. Results A total of 16 studies including 2,091 subjects were included in the meta-analysis. Hcy levels were significantly higher in psoriasis patients relative to healthy controls (weighted mean difference [WMD], 3.30; 95% confidence interval [CI], 1.58∼5.02; I2=82.1%). Subgroup analyses revealed that patients with higher mean psoriasis area severity index (PASI) scores (PASI>10) had significantly higher Hcy levels compared to healthy controls (WMD, 4.17; 95% CI, 1.18∼7.16; I2=88.3%), whereas patients with lower mean PASI scores (PASI ≤10) had not (WMD, 0.76; 95% CI, −1.84∼3.35; I2=72.2%). Conclusion This meta-analysis found that psoriasis patients, in particular those with PASI >10, had significantly higher Hcy levels compared to healthy controls. Further research is needed to determine the association between Hcy levels and psoriasis severity.
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Affiliation(s)
- Jung Eun Kim
- Department of Dermatology, Soonchunhyang University Cheonan Hospital, Cheonan, Korea
| | - Ho Jung Lee
- Department of Dermatology, Soonchunhyang University Cheonan Hospital, Cheonan, Korea
| | - Jong Suk Lee
- Department of Dermatology, Soonchunhyang University Cheonan Hospital, Cheonan, Korea
| | - Kyu Uang Whang
- Department of Dermatology, Soonchunhyang University Seoul Hospital, Seoul, Korea
| | - Young Lip Park
- Department of Dermatology, Soonchunhyang University Bucheon Hospital, Bucheon, Korea
| | - Sung Yul Lee
- Department of Dermatology, Soonchunhyang University Cheonan Hospital, Cheonan, Korea
| | - Hyun Jung Kim
- Department of Preventive Medicine, Korea University College of Medicine, Seoul, Korea
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10
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Serum homocysteine level, vitamin B12 levels, and erythrocyte folate in psoriasis: A case-control study. Int J Womens Dermatol 2019; 5:171-174. [PMID: 31360751 PMCID: PMC6637066 DOI: 10.1016/j.ijwd.2018.12.004] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2016] [Revised: 12/09/2018] [Accepted: 12/24/2018] [Indexed: 12/20/2022] Open
Abstract
Background One of the most important organ involvements in psoriasis is atherosclerotic cardiovascular disease. Homocysteine is known to have atherogenic properties, but some inconsistency exists in the literature about its probable role as a risk factor of cardiovascular disorder in patients with psoriasis. Objective Because of some controversies, we compared homocysteine levels and related parameters of metabolic cycles in patients with psoriasis and healthy individuals. Methods This case-control study was conducted on 50 patients with psoriasis and 50 healthy individuals as the controls. Serum homocysteine, vitamin B12 levels, and erythrocyte folate concentrations were checked in all participants. Results Mean serum homocysteine, erythrocyte folate, and vitamin B12 levels did not show any significant difference between the two groups (p > .05), but interestingly, in patients with psoriasis, men had a significantly higher incidence of hyperhomocysteinemia and lower levels of erythrocyte folate (p = .14). Overall, there is no significant difference in serum levels of homocysteine and metabolic-related parameters between the case and control group. There was no significant relationship between the severity of psoriasis and the body mass index of patients (p > .05). Conclusion Patients with psoriasis had a higher body mass index and higher levels of homocysteine in men. Hyperhomocysteinemia could be a predisposing factor of cardiovascular events, but more evaluations as a part of metabolic syndrome in patients with psoriasis are needed.
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11
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Tsai TY, Yen H, Huang YC. Serum homocysteine, folate and vitamin B 12 levels in patients with psoriasis: a systematic review and meta-analysis. Br J Dermatol 2018; 180:382-389. [PMID: 30074615 DOI: 10.1111/bjd.17034] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/26/2018] [Indexed: 12/16/2022]
Abstract
BACKGROUND Patients with psoriasis are at increased risk for cardiovascular comorbidities. Previous studies examined the possible contribution of serum homocysteine, folate and vitamin B12 to cardiovascular risks in patients with psoriasis but had conflicting conclusions. OBJECTIVES To perform a systematic review and meta-analysis of studies on serum homocysteine, folate and vitamin B12 levels in patients with psoriasis. METHODS Online databases were searched on 15 February 2018 to include studies comparing serum homocysteine, folate and vitamin B12 levels between patients with psoriasis and controls. A random effects model was adopted to estimate odds ratios for dichotomous data and standardized mean differences (SMDs) for continuous data. RESULTS A comprehensive literature search identified 24 studies eligible for inclusion. Compared with controls, patients with psoriasis had a significantly higher serum homocysteine level [SMD 0·41, 95% confidence interval (CI) 0·21-0·61; I2 = 76·7%, 18 studies], a higher prevalence of hyperhomocysteinaemia (odds ratio 3·48, 95% CI 2·08-5·83; I2 = 41·1%, seven studies) and a lower serum folate level (SMD -0·94, 95% CI -1·49 to -0·40; I2 = 95·6%, 14 studies). However, there was no difference in serum vitamin B12 levels between patients with psoriasis and the control group (SMD 0·004, 95% CI -0·49 to 0·50; I2 = 92%, 11 studies). Metaregression analysis revealed a significant inverse correlation between the SMD of homocysteine levels and folate levels. CONCLUSIONS Patients with psoriasis might have higher serum homocysteine and lower folate levels than control patients without psoriasis. However, due to significant heterogeneity and other limitations, the associations require further examinations in more studies.
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Affiliation(s)
- T-Y Tsai
- Department of Dermatology, Wan Fang Hospital, Taipei Medical University, Taipei, Taiwan
| | - H Yen
- Department of Medical Education, National Taiwan University Hospital, Taipei, Taiwan
| | - Y-C Huang
- Department of Dermatology, Wan Fang Hospital, Taipei Medical University, Taipei, Taiwan.,Department of Dermatology, School of Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan
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12
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Wang WM, Jin HZ. Homocysteine: A Potential Common Route for Cardiovascular Risk and DNA Methylation in Psoriasis. Chin Med J (Engl) 2018; 130:1980-1986. [PMID: 28776552 PMCID: PMC5555134 DOI: 10.4103/0366-6999.211895] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Abstract
Objective: Homocysteine is a sulfur-containing amino acid with potential clinical significance. Abnormal homocysteine levels have been found in patients with psoriasis. This review summarizes the possible correlations among homocysteine, cardiovascular risk, and DNA methylation in psoriasis. Data Sources: We retrieved the articles published in English from the PubMed database up to January 2017, using the keywords including “psoriasis,” “homocysteine,” “cardiovascular risk,” “DNA methylation,” “methylenetetrahydrofolate reductase,” “MTHFR,” and “MTHFR C677T.” Study Selection: Articles about the roles of homocysteine in the cardiovascular risk and DNA methylation in psoriasis were obtained and reviewed. Results: Observational studies consistently reported that elevated homocysteine is an independent risk factor for cardiovascular diseases. Several studies also consistently reported an association between psoriasis and increased cardiovascular risk. A substantial body of evidence also suggested that an elevated homocysteine level is related to the demethylation of DNA. Data from clinical trials also demonstrated that MTHFR C677T polymorphisms as well as DNA methylation aberrations are associated with psoriasis. Conclusions: This review highlighted the relationships among homocysteine, cardiovascular risk, and DNA methylation, suggesting that homocysteine may be a biological link between cardiovascular risk and DNA methylation in psoriasis.
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Affiliation(s)
- Wen-Ming Wang
- Department of Dermatology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100730, China
| | - Hong-Zhong Jin
- Department of Dermatology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100730, China
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Zhou H, Huang HL, Wang N, Pang XH. Correlation between secondary thrombosis in epileptic patients and serum levels of folate and vitamin B12. Biomed Rep 2016; 5:417-420. [PMID: 27703674 PMCID: PMC5038890 DOI: 10.3892/br.2016.741] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2016] [Accepted: 08/08/2016] [Indexed: 11/05/2022] Open
Abstract
Epilepsy is a chronic brain dysfunction syndrome and nervous system disease whose pathogenesis remains to be determined. The aim of the present study was to analyze the correlation between secondary thrombosis and the serum levels of folate and vitamin B12 in epileptic patients, as well as to determine whether the supplementation of folate and vitamin B12 was associated with a decreased incidence of thrombosis, and provide the basis for novel clinical treatment. A total of 37 patients, diagnosed as epileptic with secondary thrombosis between April 2012 and April 2014, were included in the treatment group. A total of 37 epileptic patients without secondary thrombosis were included in the control group. The serum levels of homocysteine, folate and vitamin B12 in the two groups and in the epileptic patients with intracranial thrombosis or peripheral thrombosis were compared. According to the Guidance of Epilepsy, the patients in the two groups were administered antiepileptic drugs (AEDs) with the supplementation of folate tablet (0.4 mg/day) and vitamin B12 tablet (100 µg/day). These indicators and the incidence of thrombosis in the two groups were compared after 1 year. The serum levels of homocysteine in the two groups were higher than normal, and the levels in the treatment group were significantly higher than those in the control group. The serum levels of folate and vitamin B12 in the treatment group were significantly higher than those in the control group and the difference was statistically significant (P<0.05). The Pearson correlation analysis revealed that the serum levels of folate and vitamin B12 were not associated with the serum level of homocysteine (P>0.05). The logistic regression analysis revealed that the serum levels of folate and vitamin B12 were independent risk factors for epilepsy with secondary thrombosis [folate: odds ratio (OR)=0.635, P=0.038; vitamin B12: OR=0.418, P=0.042]. The differences in the serum levels of homocysteine, folate and vitamin B12 in the epileptic patients with intracranial thrombosis or peripheral thrombosis were not statistically significant (P>0.05). The serum levels of homocysteine in the two groups, were significantly decreased, while the levels of folate and vitamin B12 were significantly increased. The differences in the serum levels of homocysteine, folate and vitamin B12 in the two groups were not statistically significant (P>0.05). The differences in the incidence of thrombosis in the two groups were not statistically significant (P>0.05). In conclusion, the serum levels of folate and vitamin B12 were independent of serum homocysteine, and were the dependent risk factors for primary epilepsy with secondary thrombosis. The supplementation of folate and vitamin B12 may be beneficial for the prevention of epilepsy with secondary thrombosis, making it valuable in application.
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Huang HL, Zhou H, Wang N, Yu CY. Effects of antiepileptic drugs on the serum folate and vitamin B12 in various epileptic patients. Biomed Rep 2016; 5:413-416. [PMID: 27699007 PMCID: PMC5038598 DOI: 10.3892/br.2016.737] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2016] [Accepted: 08/01/2016] [Indexed: 12/24/2022] Open
Abstract
Epilepsy is a common neurodegenerative disease with an increasing morbidity. Clinical treatment of epilepsy includes symptomatic treatment, etiological treatment, surgery and prevention. The aim of the present study was to determine the effects of antiepileptic drugs (AEDs) on serum folate and vitamin B12 in various epileptic patients, and to examine the correlation between these effects and secondary cerebrovascular events. A total of 68 epileptic patients, diagnosed between May 2012 and May 2014, were included in the present study. The study included 8 cases of autonomic seizures, 10 cases of absence seizures, 13 cases of complex partial seizures, 28 cases of generalized tonic-clonic seizures, and 9 cases of simple partial seizures. The patients received appropriate AED treatment according to the characteristics of epileptic seizure and the treatment guidance. The differences in the serum levels of folate and vitamin B12 in these patients, and the differences in the secondary cerebrovascular events in these patients after 1 year follow-up were analyzed. The difference in the AEDs used by various epileptic patients was statistically significant (P<0.05). The proportion of AED monotherapy in the autonomic seizure group and petit mal group was highest, and the proportion of two AED in combination with the psychomotor seizure, grand mal and simple partial seizure groups was highest. The serum levels of folate and vitamin B12 in these patients following treatment were significantly lower than those prior to treatment (P<0.05). The differences in the serum levels of folate and vitamin B12 in these groups following treatment were not statistically significant (P>0.05). The difference in the incidence of cerebrovascular events in these groups at follow up was not statistically significant (P>0.05). The multifactorial logistic regression analysis revealed that the serum levels of folate and vitamin B12 were the independent risk factors for epilepsy with secondary cerebrovascular events [folate: odds ratio (OR)=0.536, P=0.039; vitamin: OR=0.382, P=0.041]. In conclusion, various AEDs may decrease the serum levels of folate and vitamin B12 and affect the secondary cerebrovascular events in various epileptic patients. Thus, regular supplementation of folate and vitamin B12 may be an option.
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Affiliation(s)
- Hong-Li Huang
- Department of Neurology, The First People's Hospital of Xuzhou, Xuzhou, Jiangsu 221000, P.R. China
| | - Hao Zhou
- Department of Neurology, The First People's Hospital of Xuzhou, Xuzhou, Jiangsu 221000, P.R. China
| | - Nuan Wang
- Department of Neurology, The First People's Hospital of Xuzhou, Xuzhou, Jiangsu 221000, P.R. China
| | - Chun-Yu Yu
- Department of Neurology, The First People's Hospital of Xuzhou, Xuzhou, Jiangsu 221000, P.R. China
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15
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Aronson PJ, Zhang J. Palmar plantar pustulosis responding to high-dose folic acid plus vitamins B6 and B12. JAAD Case Rep 2016; 2:19-21. [PMID: 27051817 PMCID: PMC4809447 DOI: 10.1016/j.jdcr.2015.10.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
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Ataş H, Cemil BÇ, Gönül M, Baştürk E, Çiçek E. Serum levels of homocysteine, folate and vitamin B12 in patients with vitiligo before and after treatment with narrow band ultraviolet B phototherapy and in a group of controls. JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY B-BIOLOGY 2015; 148:174-180. [DOI: 10.1016/j.jphotobiol.2015.04.005] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/27/2014] [Revised: 04/08/2015] [Accepted: 04/09/2015] [Indexed: 01/14/2023]
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Giannoni M, Consales V, Campanati A, Ganzetti G, Giuliodori K, Postacchini V, Liberati G, Azzaretto L, Vichi S, Guanciarossa F, Offidani A. Homocysteine plasma levels in psoriasis patients: our experience and review of the literature. J Eur Acad Dermatol Venereol 2015; 29:1781-5. [PMID: 25809089 DOI: 10.1111/jdv.13023] [Citation(s) in RCA: 39] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2014] [Accepted: 01/12/2015] [Indexed: 01/02/2023]
Abstract
BACKGROUND People with psoriasis are at higher cardiovascular risk. Plasma levels of homocysteine over the normal range have been recognized as marker of cardiovascular risk. Psoriasis patients express higher levels of plasma homocysteine than healthy people. OBJECTIVE Our study aims to investigate the correlation between homocysteinaemia, severity and duration of psoriasis and psoriasis arthritis, and to evaluate the effect of a 12-week administration of a target therapy for psoriasis on homocysteinaemia. METHODS Fifty-two psoriasis patients (study group) submitted to different kind of therapy for psoriasis (biological, systemic not biological and topical) and 24 healthy Italian subject (control group) were evaluated for their plasmatic homocysteine levels, both at baseline (T0) and 12 weeks after they a specific therapy for psoriasis. RESULTS A significant difference between the homocysteinaemia of psoriasis patients (mean 19.71 ± 11.16) and control group (13.90 ± 11.18), P < 0.05 (Fig. 1), was found at baseline (T0). The mean plasma levels of homocysteine were directly correlated with disease severity (P = 0.0401), but not with disease duration (P = 0.6018) or presence of arthritis (P = 0.6221) at baseline. None among the treatments administered to psoriasis patients caused a significant reduction in homocysteinaemia after 12 weeks of treatment. CONCLUSION Our results confirm that psoriasis patients with more severe disease, can have hyperhomocysteinaemia, without regard to disease duration or joint involvement. Hyperhomocysteinaemia is not influenced by a target therapy for psoriasis and it is as greater as psoriasis severity. However, limitation of our study is the relatively small number of cases. Homocysteine plasmatic levels should be advisable as a further independent risk factor for cardiovascular disease in psoriasis patients.
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Affiliation(s)
- M Giannoni
- Dermatological Unit, Department of Clinical and Molecular Sciences, Polytechnic University of the Marche Region, Ancona, Italy
| | - V Consales
- Dermatological Unit, Department of Clinical and Molecular Sciences, Polytechnic University of the Marche Region, Ancona, Italy
| | - A Campanati
- Dermatological Unit, Department of Clinical and Molecular Sciences, Polytechnic University of the Marche Region, Ancona, Italy
| | - G Ganzetti
- Dermatological Unit, Department of Clinical and Molecular Sciences, Polytechnic University of the Marche Region, Ancona, Italy
| | - K Giuliodori
- Dermatological Unit, Department of Clinical and Molecular Sciences, Polytechnic University of the Marche Region, Ancona, Italy
| | - V Postacchini
- Dermatological Unit, Department of Clinical and Molecular Sciences, Polytechnic University of the Marche Region, Ancona, Italy
| | - G Liberati
- Dermatological Unit, Department of Clinical and Molecular Sciences, Polytechnic University of the Marche Region, Ancona, Italy
| | - L Azzaretto
- Dermatological Unit, Department of Clinical and Molecular Sciences, Polytechnic University of the Marche Region, Ancona, Italy
| | - S Vichi
- Dermatological Unit, Department of Clinical and Molecular Sciences, Polytechnic University of the Marche Region, Ancona, Italy
| | - F Guanciarossa
- Dermatological Unit, Department of Clinical and Molecular Sciences, Polytechnic University of the Marche Region, Ancona, Italy
| | - A Offidani
- Dermatological Unit, Department of Clinical and Molecular Sciences, Polytechnic University of the Marche Region, Ancona, Italy
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Serum homocysteine, asymmetric dimethyl arginine (ADMA) and other arginine-NO pathway metabolite levels in patients with psoriasis. Arch Dermatol Res 2015; 307:439-44. [PMID: 25708188 DOI: 10.1007/s00403-015-1553-3] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2014] [Revised: 02/10/2015] [Accepted: 02/14/2015] [Indexed: 10/24/2022]
Abstract
Hyperhomocysteinemia, a well-known and independent risk factor for cardiovascular disease, has been related in several studies with psoriasis patients. It has been suggested that homocysteine leads to endothelial dysfunction by causing an accumulation of asymmetrical dimethyl arginine (ADMA), a potent endogenous nitric oxide (NO) synthase inhibitor of the L-arginine-NO pathway. However, limited data is available regarding the psoriasis and ADMA relationship. In this study, we aimed to investigate the serum levels of homocysteine, ADMA and other metabolites from the L-arginine-NO pathway in psoriasis patients. Forty-two patients with chronic plaque psoriasis and 48 controls were enrolled in the study. Serum homocysteine, ADMA, L-monomethyl-L-arginine (L-NMMA), symmetric dimethylarginine (SDMA) and L-arginine levels, and L-arginine/ADMA ratios of psoriasis patients and the control group were measured. The severity of psoriasis was assessed by the psoriasis area and severity index (PASI). The mean ADMA and homocysteine values were significantly higher, and citrulline and L-arginine/ADMA values were significantly lower in psoriasis patients compared to control subjects. However, there were no significant differences among the patient and control groups with respect to mean SDMA, L-NMMA and L-arginine values. PASI scores strongly correlated with the ADMA level and moderately correlated with L-arginine/ADMA ratio. This study suggests that the L-arginine-NO pathway metabolites, especially ADMA, may play an important role in the pathogenesis of psoriasis. Additionally, serum ADMA levels of psoriasis patients may be an indicator of the disease severity.
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Erturan I, Köroğlu BK, Adiloğlu A, Ceyhan AM, Akkaya VB, Tamer N, Başak PY, Korkmaz S, Ersoy IH, Kilinç O. Evaluation of serum sCD40L and homocysteine levels with subclinical atherosclerosis indicators in patients with psoriasis: a pilot study. Int J Dermatol 2014; 53:503-9. [PMID: 24673360 DOI: 10.1111/ijd.12397] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Psoriasis is a chronic inflammatory process associated with an increased risk of cardiovascular risk factors. sCD40L has been suggested to have a possible role in the pathogenesis, of psoriasis and is known to be associated with inflammation, atherogenesis and cardiovascular events. This study investigated cardiovascular risk factors (sCD40L and homocysteine) as well as subclinical atherosclerosis indicators in psoriatic patients and control subjects. The study included 56 consecutive patients with chronic plaque-type psoriasis and 53 age and gender matched healthy controls admitted to a university hospital. Serum sCD40L and homocysteine levels were measured by ELISA. Carotid artery intima-media thickness and brachial artery flow mediated dilatation (FMD) measurements were determined ultrasonographically. Subjects who had a history of cardiovascular diseases and cardiovascular risk factors and receiving any systemic treatment were excluded from the study. Plasma sCD40L levels were significantly higher in psoriasis patients compared with healthy controls (1.33±0.72 vs. 0.98±0.70 ng/ml P=0.012), whereas plasma homocysteine levels did not differ significantly between the two groups. FMD was significantly reduced in the psoriasis group compared to the controls (3.83±5.03 vs. 8.45±7.27% P=0.0001). Multiple linear regression analyses indicated a significant association between psoriasis, sCD40L, and FMD. Psoriatic patients had higher sCD40L levels than healthy controls, which may lead to an increase in cardiovascular diseases. sCD40L may be a more reliable and early predictive marker of cardiovascular events in psoriatic patients. New treatmentoptions that will be developed over sCD40L will benefit in prevention of psoriasis and its cardiovascular comorbidities.
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20
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Murzaku EC, Bronsnick T, Rao BK. Diet in dermatology: Part II. Melanoma, chronic urticaria, and psoriasis. J Am Acad Dermatol 2014; 71:1053.e1-1053.e16. [PMID: 25454037 DOI: 10.1016/j.jaad.2014.06.016] [Citation(s) in RCA: 32] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2014] [Revised: 06/04/2014] [Accepted: 06/09/2014] [Indexed: 02/07/2023]
Abstract
The roles of dietary factors in aggravating, preventing, or treating skin diseases are common questions encountered in dermatology practice. Part II of this two-part series reviews dietary modifications that can potentially be utilized in the management of melanoma, chronic urticaria, and psoriasis patients. Specifically, we examine the effect of alcohol consumption and supplementation with vitamins D and E, polyunsaturated fatty acids, selenium, green tea, resveratrol, and lycopene on melanoma risk. The relationships between chronic urticaria symptoms and dietary pseudoallergens, gluten, and vitamin D are analyzed. We explore weight loss, reduced alcohol consumption, and gluten avoidance as means of reducing psoriasis-associated morbidity, as well as the possible utility of supplementation with polyunsaturated fatty acids, folic acid, vitamin D, and antioxidants. With proper knowledge of the role of diet in these cutaneous disease processes, dermatologists can better answer patient inquiries and consider implementation of dietary modifications as adjuncts to other treatments and preventative measures.
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Affiliation(s)
- Era Caterina Murzaku
- Department of Dermatology, Robert Wood Johnson Medical School, Rutgers University, New Brunswick, New Jersey
| | - Tara Bronsnick
- Department of Dermatology, Robert Wood Johnson Medical School, Rutgers University, New Brunswick, New Jersey.
| | - Babar K Rao
- Department of Dermatology, Robert Wood Johnson Medical School, Rutgers University, New Brunswick, New Jersey
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Assessment of lipocalin 2, clusterin, soluble tumor necrosis factor receptor-1, interleukin-6, homocysteine, and uric acid levels in patients with psoriasis. DISEASE MARKERS 2014; 2014:541709. [PMID: 24803721 PMCID: PMC3996950 DOI: 10.1155/2014/541709] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/31/2014] [Accepted: 03/12/2014] [Indexed: 01/21/2023]
Abstract
Background. Chronic inflammation may play a role in psoriasis pathogenesis. Lipocalin 2, clusterin, soluble tumor necrosis factor receptor-1 (sTNFR-1), interleukin-6, homocysteine, and uric acid are inflammatory and/or biochemical markers. However, both the roles of these markers and the pathogenesis of psoriasis are unknown. Objective. The aim of this study was to investigate serum levels of lipocalin 2, clusterin, sTNFR-1, interleukin-6, homocysteine, and uric acid in patients and controls groups. Methods. Fifty-six patients with psoriasis and 33 healthy controls were included in the study. Serum concentrations of the markers were evaluated by ELISA. The Psoriasis Area and Severity Index (PASI) was evaluated in all psoriasis patients. Body mass index (BMI) was calculated by dividing weight (kg) by height (m) squared. Results. The serum value of lipocalin and sTNFR-1 were significantly higher in psoriasis patients than in controls (resp., P < 0.001, P < 0.05). The others showed no significant differences between psoriasis and the control groups (all of them P > 0.05). The mean PASI score in the patient group was 8.3 ± 6.5. Conclusions. These findings suggest that lipocalin 2 and sTNFR-1 might play a role in the pathogenesis of psoriasis and can be used as markers of the disease.
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Pietrzak A, Bartosińska J, Chodorowska G, Szepietowski JC, Paluszkiewicz P, Schwartz RA. Cardiovascular aspects of psoriasis: an updated review. Int J Dermatol 2013; 52:153-62. [PMID: 23347301 DOI: 10.1111/j.1365-4632.2012.05584.x] [Citation(s) in RCA: 42] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
Psoriasis, a systemic inflammatory disease, is associated with enhanced atherosclerosis and risk of cardiovascular (CV) disease, which may account for higher morbidity and mortality rates in psoriatic patients. It especially applies to younger psoriatic patients with more severe disease, reducing their life expectancy. The aim of the study was to review the literature on CV disease in psoriasis as well as the pathogenic mechanisms shared between psoriasis and atherosclerosis. Moreover, case-control and cohort studies published between 2006 and 2011 were selected for meta-analysis. The meta-analysis indicates elevated risk of cardiovascular events in psoriatic patients in relation to non-psoriatic controls (OR 1.28; 95% CI 1.18-1.38). It is suggested that the treatment of the inflammatory processes involved in the pathogenesis of both psoriasis and atherosclerosis may be beneficial in reducing the CV risk in psoriatic patients. Further in-depth investigations, including prospective studies, are needed to enable more effective management of psoriatic patients in the future.
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Affiliation(s)
- Aldona Pietrzak
- Department of Dermatology, Medical University of Lublin, Lublin, Poland
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23
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Recommendations for detection of individual risk for comorbidities in patients with psoriasis. Arch Dermatol Res 2013; 305:91-8. [DOI: 10.1007/s00403-013-1318-9] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2012] [Revised: 01/03/2013] [Accepted: 01/10/2013] [Indexed: 01/28/2023]
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24
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Patel RV, Shelling ML, Prodanovich S, Federman DG, Kirsner RS. Psoriasis and vascular disease-risk factors and outcomes: a systematic review of the literature. J Gen Intern Med 2011; 26:1036-49. [PMID: 21472501 PMCID: PMC3157521 DOI: 10.1007/s11606-011-1698-5] [Citation(s) in RCA: 63] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/06/2010] [Revised: 09/14/2010] [Accepted: 03/11/2011] [Indexed: 01/04/2023]
Abstract
BACKGROUND Psoriasis afflicts 2-3% of the world's population. Affected patients commonly have risk factors for cardiovascular disease (CVD). In addition, psoriasis is independently associated with CVD and mortality. PURPOSE To determine which CVD risk factors are associated with psoriasis independent of confounders, whether psoriasis is associated with CVD independent of CVD risk factors, and whether there is increased mortality among patients with psoriasis. DATA SOURCES MEDLINE, Embase, and Cochrane Collaborations from inception through October 2009. We reviewed bibliographies of retrieved articles for additional references. STUDY SELECTION Cross-sectional, cohort-based, case-control, and randomized controlled trials which involved patients with psoriasis. DATA EXTRACTION Two investigators independently reviewed studies and resolved any discrepancies by consensus. DATA SYNTHESIS Of the 2,303 articles identified by literature search, 90 studies met inclusion criteria for this review; 15 were cohort-based studies, 45 were case-control, and 30 were cross-sectional. LIMITATIONS The quality of evidence was limited by study heterogeneity and lack of large scale prospective studies with long-term follow-up. CONCLUSIONS Patients with psoriasis demonstrate a higher prevalence of cardiovascular risk factors and appear to be at increased risk for ischemic heart disease, cerebrovascular disease, and peripheral arterial disease. This increase in vascular disease may be independent of shared risk factors and may contribute to the increase in all-cause mortality. Future research should aim to more confidently distinguish between a true causal relationship or merely an association resulting from multiple shared risk factors. Physicians should screen for and aggressively treat modifiable risk factors for CVD in patients with psoriasis.
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Affiliation(s)
- Rita V Patel
- Department of Dermatology and Cutaneous Surgery, University of Miami Miller School of Medicine, 1600 N.W. 10th Avenue, Miami, FL 33136, USA
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Scherer EBS, da Cunha AA, Kolling J, da Cunha MJ, Schmitz F, Sitta A, Lima DD, Delwing D, Vargas CR, Wyse ATS. Development of an animal model for chronic mild hyperhomocysteinemia and its response to oxidative damage. Int J Dev Neurosci 2011; 29:693-9. [PMID: 21704148 DOI: 10.1016/j.ijdevneu.2011.06.004] [Citation(s) in RCA: 35] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2011] [Revised: 05/16/2011] [Accepted: 06/06/2011] [Indexed: 11/30/2022] Open
Abstract
The purpose of this study was to develop a chronic chemically induced model of mild hyperhomocysteinemia in adult rats. We produced levels of Hcy in the blood (30μM), comparable to those considered a risk factor for the development of neurological and cardiovascular diseases, by injecting homocysteine subcutaneously (0.03μmol/g of body weight) twice a day, from the 30th to the 60th postpartum day. Controls received saline in the same volumes. Using this model, we evaluated the effect of chronic administration of homocysteine on redox status in the blood and cerebral cortex of adult rats. Reactive oxygen species and thiobarbituric acid reactive substances were significantly increased in the plasma and cerebral cortex, while nitrite levels were reduced in the cerebral cortex, but not in the plasma, of rats subjected to chronic mild hyperhomocysteinemia. Homocysteine was also seen to disrupt enzymatic and non-enzymatic antioxidant defenses in the blood and cerebral cortex of rats. Since experimental animal models are useful for understanding the pathophysiology of human diseases, the present model of mild hyperhomocysteinemia may be useful for the investigation of additional mechanisms involved in tissue alterations caused by homocysteine.
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Affiliation(s)
- Emilene B S Scherer
- Laboratório de Neuroproteção e Doenças Metabólicas, Departamento de Bioquímica, Instituto de Ciências Básicas da Saúde, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brazil
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26
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GC Analysis of Amino Acids Using Trifluoroacetylacetone and Ethyl Chloroformate as Derivatizing Reagents in Skin Samples of Psoriatic and Arsenicosis Patients. Chromatographia 2011. [DOI: 10.1007/s10337-011-1957-y] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Brazzelli V, Grasso V, Fornara L, Moggio E, Gamba G, Villani S, Borroni G. Homocysteine, vitamin B12 and folic acid levels in psoriatic patients and correlation with disease severity. Int J Immunopathol Pharmacol 2010; 23:911-6. [PMID: 20943063 DOI: 10.1177/039463201002300327] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
Hyperhomocysteinaemia represents an independent risk factor for atherosclerotic cardiovascular disease, stroke, peripheral arterial occlusive disease and venous thrombosis. Psoriasis is a chronic inflammatory skin disease associated with increased atherothrombosis and cardiovascular risk profile. The aim of this study is to investigate homocysteine, folic acid and vitamin B12 levels in a cohort of psoriatic patients and its relationship with the severity of the disease. A retrospective observational study in 98 patients with chronic plaque psoriasis and 98 healthy controls was performed. Total plasma homocysteine level, folic acid, vitamin B12 and PASI index were assessed in every patient. Patients with psoriasis had plasma homocysteine levels higher than controls (57% of cases and 25% of controls; p<0.0001). Folic acid and vitamin B12 plasma levels were lower in psoriatic patients than in controls (p = NS), lower levels of vitamin B12 were found in patients with hyperhomocysteinaemia compared to patients with a normal value of homocysteine (p = 0.0009). The severity of psoriasis assessed according to PASI (19.51+/-16.26) did not directly correlate either with higher levels of homocysteine or with vitamin B12 and folic acid plasma levels. In conclusion, a significantly higher prevalence of hyperhomocysteinaemia was found in psoriatic patients compared to healthy controls. A significant correlation between hyperhomocysteinaemia and lower vitamin B12 levels, but not folic acid, was evidenced. On the contrary, our data do not correlate the high level of homocysteine with higher PASI scores or psoriasis type, suggesting that homocysteine level can be considered an independent risk factor in psoriatic patients.
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Affiliation(s)
- V Brazzelli
- Department of Human and Hereditary Pathology, Institute of Dermatology, University of Pavia and Foundation IRCCS Policlinico San Matteo, Pavia, Italy.
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Abstract
Current epidemiological data support the association between psoriasis and cardiovascular (CV) risk, in apparent correlation with psoriasis severity. Although less unanimously, evidence of an increased prevalence of CV diseases among psoriasis patients has been reported, including ischemic heart disease, cerebrovascular, peripheral vascular and heart structural disorders. In particular, various studies showed a correlation between psoriasis and major CV events (i.e., myocardial infarction, stroke), while others investigated subclinical changes of blood vessels, such as intima-media thickness increase, arterial stiffness and coronary artery calcification. A series of different mechanisms, like traditional CV risk or iatrogenic risk factors, inflammation, hemostasis dysregulation, hyperhomocysteinemia, and shared genetic susceptibility, are thought to underlie this epidemiological association. Among these elements, inflammation and its related cytokine milieu, including Th1-mediated response and Th17/Treg imbalance, C reactive protein and the newly implicated osteopontin are considered to play a primary role, even if yet to be fully understood.
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Affiliation(s)
- Gino A Vena
- 2nd Dermatology Clinic, University of Bari, Policlinico, Bari, Italy.
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