Search for: rheumatoid arthritis methotrexate autoimmune disease biomarker gene expression GWAS HLA genes non-HLA genes
ID | PMID | Title | PublicationDate | abstract |
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32944095 | Rheumatoid arthritis. | 2020 | Rheumatoid arthritis is an autoimmune inflammatory disease primarily characterized by synovitis which is accompanied by extra-articular organ involvement, such as interstitial pneumonia, in addition to clinical symptoms including pain, swelling, stiffness of multiple joints, fever, and malaise. Joint destruction progresses soon after the onset, and once the affected joints are deformed, the development of irreversible physical dysfunction is noted. Thus, proper diagnosis and treatment are required from the early stages of the disease. Although palliative therapy with glucocorticoids and anti-inflammatory drugs had been used, disease-modifying antirheumatic drugs (DMARDs) are currently used to suppress immune abnormalities and to control disease activity. DMARDs are classified into different groups, such as conventional synthetic DMARD, targeted synthetic DMARD, and biologic DMARD. The appropriate use of these drugs has allowed remission to be the therapeutic goal in all patients. By maintaining remission, these drugs have also been shown to prevent the progression of joint destruction and physical dysfunction over a long period. The advent of molecular-targeted therapies has allowed for the use of treatments based on pathological mechanisms, and such therapeutic strategies have also been applied to the treatment of various autoimmune inflammatory diseases. In the future, safer and more effective treatments, therapeutic strategies aimed at drug holidays or cure, and the introduction of precision medicine are expected. | |
32754359 | Technical outcome of atlantoaxial transarticular screw fixation without supplementary post | 2020 | BACKGROUND: transarticular screw (TAS) fixation without a supplementary posterior construct, even in rheumatoid arthritis (RA) patients, provides sufficient stability with acceptable clinical results. Here, we present our experience with 15 RA patients who underwent atlantoaxial (AA) TAS fixation without utilizing a supplementary posterior fusion. METHODS: To treat AA instability, all 15 RA patients underwent C1-C2 TAS fixation without a supplementary posterior construct. Patients were followed for at least 24 months. Pre- and postoperative sagittal measures of C1- C2, C2-C7, and C1-C7 angles, atlanto-dens interval (ADI), posterior atlanto-dens interval (PADI), and adjacent segment (i.e., C2-C3) anterior disc height (ADH) were retrospectively recorded from lateral X-ray imaging. The presence or absence of superior migration of the odontoid (SMO), cervical subaxial subluxation, C1-C2 bony fusion, screw pull-out, and screw breakage were also noted. RESULTS: There was little difference between the pre- and postoperative studies regarding angles measured. Following TAS fixation, the mean ADI shortened, and mean PADI lengthened. There was no difference in the mean measures of C2-C3 ADH. There was no evidence of SMO pre- or postoperatively. Two patients developed anterior subluxation at C5-C6; one of the two also developed anterior subluxation at C2-C3. All patients subsequently showed C1-C2 bony fusion without screw pull-out or breakage. CONCLUSION: In RA patients who have undergone C1-C2 TAS fixation, eliminating a supplementary posterior fusion resulted in adequate stability. | |
32106058 | Cardiac glycoside digoxin ameliorates pro-inflammatory cytokines in PBMCs of rheumatoid ar | 2020 Feb 24 | Rheumatoid arthritis (RA) is a systemic autoimmune disorder characterized by hyperplasia of the synovial membrane along with persistent inflammation of joints. Earlier studies suggest the crucial role of Th1 and Th17 subsets of T-helper cells in the pathogenesis of RA. Digoxin, a cardiac glycoside, is widely used in the treatment of heart failure. Keeping into consideration the potential of digoxin to regulate inflammatory responses in the host, we assessed its effect on the peripheral blood mononuclear cells (PBMCs) of RA patients. The PBMCs were incubated with a varying amount (10-500 nM) of digoxin for 24 h at 37 °C. There was a significant reduction in the population of Th17 cells upon treatment with digoxin. On the other hand, the digoxin treatment failed to modify the expression of T-bet and IFN-γ at both proteins as well as mRNA level in the treated PBMCs. The cardiac glycoside also inhibited transcription factor ROR-γt in the Th17 cells. We also found a decrease in the levels of IL-1β, IL-6, IL-17, and IL-23 cytokines in the culture supernatant of digoxin treated PBMCs isolated from RA patients. The data of the present study suggest the preferential role of digoxin in suppressing the differentiation of Th17 cells in RA patients. | |
32010301 | miR-155 promotes fibroblast-like synoviocyte proliferation and inflammatory cytokine secre | 2020 Feb | The present study aimed to explore the expression and effects of microRNA (miR)-155 in synovial fibroblasts of patients with rheumatoid arthritis (RA). A total of 89 synovial tissues from RA patients and 49 control synovial tissues were collected, and the levels of miR-155 were measured by reverse transcription quantitative-PCR and western blotting. Fibroblast-like synoviocytes (FLS) were isolated from synovial tissues from the control group and were used to evaluate the roles of miR-155 and forkhead box protein O3a (FOXO3a). MTT assay was used to measure the proliferation of FLS. The expression of miR-155 in RA synovial tissues was significantly higher than that in the control group, but the expression of FOXO3a was significantly lower. In RA synovial tissues, miR-155 expression was negatively correlated with FOXO3a expression, but was positively correlated with the release of inflammatory cytokines interleukin (IL)-1β, IL-6 and tumor necrosis factor-α (TNF-α). A dual-luciferase reporter system showed that miR-155 inhibited the expression of FOXO3a in FLS cells. miR-155 also promoted secretion of the inflammatory cytokines IL-1β, IL-6 and TNF-α by FLS and proliferation of these cells by targeting FOXO3a. | |
32715098 | Rheumatoid arthritis in tight disease control is no longer risk of bone mineral density lo | 2020 Jun | OBJECTIVES: Rheumatoid arthritis (RA) is an independent risk factor of osteoporosis. However, if disease activity is successfully controlled using the treat-to-target (T2T) strategy, the risk of bone mineral density (BMD) loss can be diminished. We evaluated if RA is a risk factor even when the T2T is applied in clinical cases. METHODS: From September 2017 to August 2019, 741 patients were examined using dual-energy X-ray absorptiometry; of these, 279 were diagnosed with RA who attained clinical remission within 6 months (RA-rem) and 53 could not attain clinical remission (RA-nonrem), while 409 were not diagnosed with RA (non-RA). The following characteristics between RA-rem and non-RA were matched using the propensity score matching (PSM) technique: age, sex, past bone fragility fracture experience, osteoporosis drug intervention ratio, glucocorticoid administration ratio, mean dose, Barthel Index score, body mass index, serum-creatinine-to-cystatin C ratio, and the number of comorbidities. The BMDs and changes of the lumbar spine, femoral neck, total hip, and greater trochanter were statistically compared between the RA-rem and the non-RA after PSM, and between RA-nonrem and RA-rem after PSM using the Mann-Whitney U test. RESULTS: In total, 107 patients of RA-rem and 108 of non-RA were recruited. BMDs and changes of every part demonstrated no significant differences between the 2 groups. BMDs in every part of RA-rem after PSM were significantly greater than those in every part of RA-nonrem, while no significant difference in change during follow-up. CONCLUSIONS: If disease activity is controlled in clinical remission, RA will not contribute to BMD reduction. | |
32118010 | Regulatory T Cell Suppressive Activity Predicts Disease Relapse During Disease-Modifying A | 2020 | When the dose of conventional disease-modifying anti-rheumatic drugs (cDMARDs) is tapered in rheumatoid arthritis (RA) patients who achieve sustained remission, biomarkers for predicting disease relapse may be needed. A prospective, unblinded cohort study was conducted in nine RA patients with remission. Peripheral blood samples were collected at baseline and at 6, 12, and 24 weeks after cDMARD dose reduction (dose of combination regimens reduced to 50%) to determine the number of regulatory Foxp3(+)T cells (Tregs) and other T cell subpopulations as well as Treg suppressive activity. Additionally, plasma levels of 14 cytokines at each time-point were measured via flow cytometry. Univariate and multivariate analyses were performed to identify the factor(s) associated with RA relapse during the observational period. In univariate analysis, Treg suppression and DAS28 and VAS scores were associated with RA relapse after cDMARD dose tapering. However, in multivariate analysis, only Treg suppressive activity (<42%) was found to be an independent factor associated with RA relapse after cDMARD dose reduction to 50%. Of all patients who had ≥42% Treg suppressive activity during cDMAD reduction, three-fourth patients remained in the remission stage for 24 weeks. Treg suppressive activity (<42%) in RA patients with remission could be a potential biomarker for predicting RA relapse after cDMARD dose reduction, especially over a short-term period (24 weeks). | |
32051709 | Is pentraxin 3 level an effective biomarker in disease activity in patients with rheumatoi | 2020 | INTRODUCTION: The aim of the current study was to identify whether serum pentraxin 3 (PTX3) level could be a marker of increased inflammation in rheumatoid arthritis (RA) patients. MATERIAL AND METHODS: The study included 41 patients diagnosed with RA according to the American College of Rheumatology (ACR) 1990 diagnostic criteria. We compared the serum PTX3 levels between RA patients and a healthy control group, the relationship between PTX3 level and disease activity was also examined. RESULTS: A statistically significant difference was determined between the RA patients and controls as regards PTX3, platelets, C-reactive protein, and mean platelet volume results (p = 0.042, p = 0.007, p = 0.017, p < 0.001, respectively). There was no statistically significant difference in terms of PTX3 level between anti-CCP-positive and -negative patients (p = 0.368). No statistically significant difference was determined in respect of PTX3 levels between RA patients with different disease activity scores (p = 0.346). CONCLUSIONS: No relationship was determined between PTX3 and disease activity in RA patients, nor with traditional clinical and biochemical measurements of disease activity. However, the PTX3 levels of the RA patients were found to be high in comparison with the control group. Because, from these results, the role of PTX3 in the pathogenesis of RA cannot be ignored, there is a need for further studies to determine the potential role of PTX3 in RA pathogenesis. | |
31993436 | Use of Animal and Animal Products for Rheumatoid Arthritis Treatment: An Explorative Study | 2019 | Severe fatigue, pain, deformity, and disability, are the major concerns for rheumatoid arthritis (RA). The extreme pain experienced by the patients often force them to experiment with various indigenous substances including animals and animal products. However, there is little evidence on the use of animals or animal products as traditional medicine in RA. Hence, this study was aimed to explore the experience and perception of patients toward the use of animals and animal products for the treatment of RA. A qualitative, explorative study was conducted at the out-patient-department of Rheumatology of a tertiary care medical college and hospital at Cuttack, Odisha, India. Out of 113 patients with RA, 18 patients gave history of use of animal and/or animal products and were selected for in-depth interviews. The content analysis methods were used for data analysis. Four major categories emerged: (1) prevailing patterns of traditional treatment of RA using animals, (2) beliefs and values behind the traditional treatment of RA, (3) sources and traditional learning pathway of indigenous practices on RA, and (4) ethical aspects of the indigenous practice of using animals and/or animal products in the treatment of RA. This study revealed the practice of eating dead animals to get relief from RA. However, there was hardly any perceived positive outcome of the practice; which indicates the lack of awareness of rational, scientific, treatment, and prevalence of irrational and unethical practices for the treatment of RA. Hence, community awareness, social mobilization, and newer screening tools are necessary to improve the timely detection and prevention of irrational treatment practices among RA patients. | |
33195358 | The Effect of Vitamin D Supplementation on Rheumatoid Arthritis Patients: A Systematic Rev | 2020 | Objective Observational studies have shown that vitamin D levels are inversely related to rheumatoid arthritis activity, yet evidence from population interventions remains inconsistent. Methods: The PubMed, Cochrane Library, Embase, CNKI, VIP, and Wanfang databases were searched for studies published before June 2020. Information was collected about the pain visual analog scale (VAS), Disease Activity Score 28 (DAS28), serum vitamin D level, tender joint count (TJC), swollen joint count (SJC), erythrocyte sedimentation rate (ESR), C-reactive protein (CRP), and parathyroid hormone (PTH) research data. Results: Six studies (n = 438) were included in the meta-analysis. Vitamin D supplementation resulted in a significant improvement in the DAS28 (weighted mean difference (WMD) = -0.41, 95% CI (-0.59, -0.23), P < 0.001), ESR (WMD = -3.40, 95% CI (-6.62, -0.18), P = 0.04) and TJC (WMD = -1.44, 95% CI (-2.74, -0.14), P = 0.03) but not in other outcomes. According to the subgroup analyses, VAS and serum vitamin D were improved in the European ethnic subgroups. TJC and serum vitamin D were improved in the Asian ethnic subgroups. TJC and serum vitamin D were improved in the duration ≤ 12 w subgroups, and the VAS and DAS28 in the duration > 12 w subgroup were different from those of the control group. With a vitamin D dose ≤50,000 IU, only serum vitamin D and TJC improved, and with a vitamin D dose> 50,000 IU, the VAS and DAS28 improved. Conclusions: Compared with placebo control interventions, vitamin D supplementation seemed to be an effective intervention for patients with rheumatoid arthritis. Different doses of vitamin D and durations of intervention produce different effects. | |
33385368 | Ocular Involvement in Sjögren Syndrome: Risk Factors for Severe Visual Impairment and Vis | 2021 May | PURPOSE: To assess the risk factors for severe visual impairment (SVI) and corneal complications in primary and secondary Sjögren syndrome (SS). DESIGN: Retrospective case series. METHODS: Ocular data of all consecutive SS patients presenting to an eye-care network and receiving a diagnosis according to 2012 American College of Rheumatology criteria over the past 8 years were reviewed. MAIN OUTCOME MEASUREMENT: risk factors associated with SVI (best-corrected visual acuity <20/200) and vision-threatening corneal complications (ulceration or perforation) at presentation were evaluated using multivariate analysis and odds ratios (OR). RESULTS: Of the 919 patients, 285 (31%) had primary and 634 (69%) had secondary SS. The most common cause of secondary SS was rheumatoid arthritis (98.1%), followed by systemic lupus erythematosus (0.79%), psoriasis (0.79%), and scleroderma (0.6%). Among the 1,838 eyes, SVI was noted in 10%, and 2.5% had corneal complications at presentation. The presence of corneal scarring (P < .00001; OR: 3.00), corneal ulceration (P < .00001; OR: 12.96), low Schirmer values (P = .0084; OR: 0.93), cataract (P = .0036; OR: 2.4), glaucoma (P = .04; OR: 4.09), and age at diagnosis (P = .005; OR: 1.02) were independent risk factors for developing SVI. The risk factors for corneal complications were presence of scleritis (P < .0001; OR: 8.9) and a diagnosis of secondary SS (P = .009; OR: 2.94). CONCLUSIONS: In patients with SS, severity of dryness, corneal ulceration and scarring, cataract, and glaucoma are factors associated with poor visual acuity. Eyes with scleritis have a greater risk of developing vision-threatening corneal complications and therefore should be monitored closely. | |
32984149 | Prevalence and severity of periodontitis in patients with established rheumatoid arthritis | 2020 Jun | INTRODUCTION: Periodontitis is associated with many chronic health conditions including diabetes, cardiovascular disease, and rheumatoid arthritis (RA). RA and periodontitis have similarities in inflammatory mechanism, morphology, and histopathology. Osteoarthritis (OA) is a chronic, multifactorial degenerative disease characterized by the deterioration of cartilage in joints. OBJECTIVE: The aim of this study was to evaluate the prevalence and severity of periodontal disease in patients with established RA and OA. MATERIALS AND METHODS: A total of 200 patients reporting to the Department of Orthopaedics, KIMSDU, Karad were included in the study. Patients were divided into two groups: Group 1 that included 100 patients with established RA diagnosed according to American College of Rheumatology (ACR) classification 1987 criteria and Group 2 that comprised 100 patients diagnosed with OA. Demographic profile, medical and dental history, oral hygiene practices, and smoking status of study participants were recorded. Periodontal status of the patients were evaluated using the simplified oral hygiene index (OHI-S), Loe and Silness gingival index (GI), probing pocket depth (PPD), and clinical attachment level (CAL). On the basis of the CAL score periodontitis severity was defined as slight, moderate, and severe. Rheumatoid Factor (RF) and C-reactive protein (CRP) were considered as a serological marker in RA. Serological tests were performed to measure RF and CRP. Periodontal parameters and serological tests were correlated. RESULTS: This study reported 45% severe periodontitis prevalence in RA compared to OA group, which was 33%. Severity of periodontitis is significantly greater in RF positive RA group with mean CAL 5.38 mm compared to RF negative RA group with mean CAL 2.81 mm (P = 0.001). There was moderate positive correlation found between RF titer and severity of periodontitis (r = 0.311). CONCLUSION: The severity of periodontitis was significantly higher among the patients with established RA as compared to patients with OA. RF positive patients had higher periodontal disease compared to RF negative patients. There was an increase in the mean clinical attachment loss with increase in RF titer. | |
32432117 | CD28(-) Cells Are Increased in Early Rheumatoid Arthritis and Are Linked With Cytomegalovi | 2020 | Objective: CD3(+)CD8(+)CD28(-) cells are higher in Rheumatoid Arthritis (RA). The aim of this study was to assess CD3(+)CD8(+)CD28(-) cells in patients with early RA and assess the effects of cytomegalovirus (CMV) seropositivity. Method: In this prospective observation study, 50 RA patients were recruited from Cardiff University Hospital of Wales (UHW) rheumatology outpatient, 25 patients with early disease (disease duration 0-6 months) and 25 patients with established disease (>2 years). These were compared with 25 healthy controls. Clinical and serological markers of inflammation were noted, and peripheral blood mononuclear cells were analyzed using flow cytometry. Results: The percentage of the CD8(+)CD28(-) T cells was increased in RA patients and was associated with disease duration. The percentage of CD8(+)CD28(-) T cells was increased in CMV positive early and established RA grouped and early RA patients in comparison to CMV negative patients (p < 0.05). There is a weak but statistically significant correlation between the percentage of CD3(+)CD8(+)CD28(-) cells and CRP in CMV positive RA patients (r = 0.227, p < 0.05). Conclusion: The percentage of CD8(+)CD28(-) T cells is higher in RA patients and correlates with disease duration, highlighting a potential role early in the disease process. These cells were also higher in CMV positive early RA patients which may suggest a role of CMV in disease development. | |
32922489 | Therapeutic Effect of Carvacrol-loaded Albumin Nanoparticles on Arthritic Rats. | 2020 Winter | Rheumatoid arthritis (RA) is one of the most common autoimmune diseases. Carvacrol, an important natural terpenoid product in aromatic plants such as thyme, has shown anti-inflammatory effects in animal models of arthritis. However, its poor water solubility and high volatility have limited its application. In the present study in order to overcome this problem, we encapsulated carvacrol in the bovine serum albumin (BSA) nanoparticles and examined its therapeutic and immunomodulatory effects in adjuvant-induced arthritis (AIA). Carvacrol-loaded BSA nanoparticles were prepared by desolvation method. Nanoparticles had encapsulation efficiency (EE) of 67.7 ± 6.9% and loading capacity (LC) of 26.6 ± 2%. The size of particles was 148 ± 25 nm and they had monomodal distribution. After arthritis induction, the rats were treated intraperitoneally with nanoparticle for every 3 days until day 28. The treatment of the rats with 375 mg/mL carvacrol-loaded BSA nanoparticle significantly decreased clinical severity score (27.5 ± 9.8%, p = 0.008), erythrocyte sedimentation rate (33.4 ± 10%, p = 0.02), nitric oxide production (82.3 ± 2.6%, p = 0.004) and interleukin (IL)-17 gene expression (55.1 ± 8.2%, p = 0.003) compared to the untreated arthritic group. A higher reduction in inflammation severity in arthritic rats treated with carvacrol-loaded BSA in comparison to those treated with carvacrol alone was observed. In conclusion, encapsulation of carvacrol in nanoparticles reduced arthritis signs and release of NO and IL-17 inflammatory cytokine and therefore is suggested to be considered as a good approach for improving the therapeutic applications of carvacrol in RA. | |
33679704 | Exploring the Evidence for an Immunomodulatory Role of Vitamin D in Juvenile and Adult Rhe | 2020 | Vitamin D is synthesized in the skin following exposure to UVB radiation or is directly absorbed from the diet. Following hydroxylation in the liver and kidneys, vitamin D becomes its bioactive form, 1,25(OH)(2)D, which has been described to have potent immunomodulatory capacity. This review will focus on the effect of vitamin D in modulating the dysregulated immune system of autoimmune rheumatic diseases (ARD) patients across age, in particular in arthritis (rheumatoid arthritis and juvenile idiopathic arthritis), and systemic lupus erythematosus (with adult and juvenile onset). As well as delineating the impact of vitamin D on the innate and adaptive immune functions associated with each disease pathology, this review will also summarize and evaluate studies that link vitamin D status with disease prevalence, and supplementation studies that examine the potential benefits of vitamin D on disease outcomes. Exploring this evidence reveals that better designed randomized controlled studies are required to clarify the impact of vitamin D supplementation on ARD outcomes and general health. Considering the accessibility and affordability of vitamin D as a therapeutic option, there is a major unmet need for evidence-based treatment recommendations for the use of vitamin D in this patient population. | |
33362544 | Chemical Composition of Pterospermum heterophyllum Root and its Anti-Arthritis Effect on A | 2020 | Rheumatoid arthritis (RA) is a chronic autoimmune inflammatory disease without effective and beneficial drugs. Many traditional folk medicines have been proven to be effective in treating RA. Among these, the root of Pterospermum heterophyllum Hance has been widely used as a traditional remedy against RA in China, but there is no scientific basis yet. The aim of this study was to investigate for the first time the chemical compositions and therapeutic effect of P. heterophyllum on adjuvant-induced arthritis (AIA) model in rats. 73 compounds were identified from P. heterophyllum based on ultra-performance liquid chromatography-quadrupole time-of-flight tandem mass spectrometry (UPLC-qTOF-MS/MS), and flavonoids may be partly responsible for the major anti-arthritic effect. In parallel, the P. heterophyllum extract at 160, 320, and 640 mg/kg/day were orally administered to rats for 22 days after post-administration adjuvant. The results showed that P. heterophyllum remarkably ameliorated histological lesions of the knee joint, increased body weight growth, decreased arthritis score, reduced thymus and spleen indices in model rats. Moreover, P. heterophyllum treatment persuasively downregulated the levels of rheumatoid factor (RF), C-reactive protein (CRP), tumor necrosis factor alpha (TNF-α), interleukin-1β (IL-1β), IL-6, IL-17, cyclooxygenase-2 (COX-2), 5-lipoxygenase (5-LOX) and matrix metalloproteinase-2 (MMP-2), and observably upregulated IL-4 and IL-10 levels in model rats. These findings suggest that P. heterophyllum has a prominent anti-RA effect on AIA rats by modulating the inflammatory responses, and supports the traditional folk use of this plant. | |
32325090 | Notch receptors and ligands in inflammatory arthritis - a systematic review. | 2020 Jul | BACKGROUND: Notch pathway is highly conserved across species and is involved in the regulation of cell differentiation and activity both in embryonic development and adult life. Notch signaling has an important role in the development of hematopoietic stem cells and their differentiation to committed lineages, as well as in the regulation of several non-hematopoietic cell lines. OBJECTIVE: As Notch signaling has been implicated in various inflammatory and autoimmune diseases, it is of interest to elucidate what role do Notch receptors and ligands have in inflammatory arthritides. METHODS: We performed a search on the role of Notch receptors (1-4) and Notch ligands Delta-like (DLL) 1, 3, 4 and Jagged (Jag) 1 and 2 in animal models of inflammatory arthritis and most common types of human inflammatory arthritis (rheumatoid arthritis, psoriatic arthritis or ankylosing spondylitis). The initial search identified 135 unique articles, of which 24 were ultimately deemed relevant and included in this systematic review. RESULTS: Overall, identified articles describe roles for Notch ligands and receptors in inflammatory arthritis, with Notch activation resulting in enhanced Th1/17 polarization, osteoclast differentiation, macrophage activation and fibroblast-like synoviocyte proliferation. However, the inhibitory role of Notch signaling, especially by Jag1 is also described. CONCLUSION: There is evidence that Notch pathway activation affects multiple cell lineages present within the arthritic environment, therefore potentially acting as one of the drivers of disease pathogenesis. Since cell lineage-selective transgenic mouse models and specific Notch receptor inhibitors are becoming increasingly available, it can be expected that future research will evaluate whether Notch signaling components initiate crucial pathogenic impulses and, therefore, present viable therapeutic targets in inflammatory arthritis. | |
33269158 | Adalimumab Increases Follicle Reserve and Follicle Development in Rat Ovary: The Effect of | 2020 Oct 29 | Introduction Adalimumab is used in the treatment of many chronic inflammatory diseases, especially rheumatoid arthritis. The aim of this experimental study is to determine the histological and biochemical effects of adalimumab on rat ovary. Methods Wistar albino female rats were randomly divided into three groups prior to the experiment: a healthy control group, a 2 mg/kg adalimumab group, and a 5 mg/kg adalimumab group. Then, histopathological findings and biochemical examinations were made in the ovaries of the rats. Hematoxylin-eosin staining, morphometric examination, and Masson trichrome staining were performed. Antimullerian hormone (AMH) levels were measured in the biochemical examination. Results Ovarian follicle count and AMH level were significantly higher in the groups given low-dose adalimumab and high-dose adalimumab (p <0.001). In addition, fibrosis decreased in proportion to the dose of adalimumab (p <0.001). Conclusion Adalimumab is an important biological agent that contributes to the preservation of ovarian function by increasing ovarian follicle reserve and has shown that it can help preserve ovarian reserve in women of reproductive age suffering from chronic inflammatory diseases. | |
33631909 | [Adult-onset Still's disease and the neutrophil-lymphocyte index in the Mexican population | 2020 Oct | BACKGROUND: In Mexico, adult-onset Still's disease (AOSD) is one of the causes of fever of unknown origin (FUO). The aim of this study is to describe a series of AOSD cases from a FUO cohort in order to know the clinical and biochemical characteristics of the cases, as well as to describe the neutrophil-lymphocyte index (NLI), which is a clinical marker of inflammation in autoimmune diseases. CASE REPORT: An observational study of 24 cases with AOSD; 72 % of them were women, the median age was 43 years (IQR 37.7-59.7), and the most frequent manifestations were classic rash (84 %) and arthralgia (100 %). All of them had tested negative for rheumatoid factor, antinuclear antibodies, and hyperferritinemia; 83 % had NLI > 3.08. The most used treatment was the combination of methotrexate with corticosteroids; seven patients required biological therapy, and one of them presented a hypersensitivity reaction. CONCLUSION: When there's FUO, the existence of AOSD should be suspected; also in the presence of rash, arthralgia, hyperferritinemia, and NLI > 3.08. | |
31917663 | Fluorodeoxyglucose PET/CT of Arthritis in Rheumatic Diseases: A Pictorial Review. | 2020 Jan | Rheumatic diseases are various painful conditions that affect joints, bones, cartilage, tendons, ligaments, and muscles. Arthritis is a typical condition of rheumatic disease. Although rheumatoid arthritis is a representative rheumatic disease, various diseases other than rheumatoid arthritis can also affect joints, and differential diagnosis of rheumatic diseases is often difficult owing to the similar clinical manifestations. However, accurate diagnosis is crucial for an appropriate treatment strategy. The utility of fluorine 18 fluorodeoxyglucose (FDG) PET/CT has been established, and it is widely used for assessing malignancies. In addition to accumulating in tumor cells, FDG also accumulates in inflammatory tissue, allowing FDG PET/CT to demonstrate arthritis. PET/CT allows evaluation of whole-body articular and extra-articular lesions in one examination, representing a key advantage over US and MRI, which allow assessment of only a few regions because of their limited field of view. Although FDG PET/CT is sensitive for detecting inflammatory lesions, the uptake itself is nonspecific; therefore, knowledge of characteristic uptake patterns is necessary to narrow the differential diagnosis in rheumatic disease. Furthermore, pathognomonic extra-articular findings such as vasculitis, skin lesions, lymphadenopathy, and chondritis play an important role in achieving accurate diagnosis. The authors present the FDG PET/CT appearances of (a) rheumatoid arthritis and allied disorders (polymyalgia rheumatica, remitting seronegative symmetrical synovitis with pitting edema, adult-onset Still disease), (b) spondyloarthritis (ankylosing spondylitis, psoriatic arthritis, reactive arthritis, inflammatory bowel disease arthritis, SAPHO [synovitis, acne, pustulosis, hyperostosis, and osteitis] syndrome, chronic recurrent multifocal osteomyelitis), and (c) miscellaneous systemic disorders with arthropathy (relapsing polychondritis, multicentric reticulohistiocytosis, amyloidosis, sarcoidosis, hemophilia). (©)RSNA, 2020. | |
33209580 | Complex obstructive lung disease - A diagnostic and management conundrum. | 2020 | Rheumatoid arthritis (RA) is a common autoimmune disease most well-known for its inflammatory, destructive polyarthropathy. Extraarticular manifestations of the disease may involve the respiratory system, including interstitial lung disease, pleural disease, pulmonary vascular abnormalities, and airways disease. Smoking is highly prevalent in the RA population, and may even have a synergistic effect in disease development and progression. In the diagnosis of pulmonary disease, this presents a unique diagnostic and therapeutic challenge. We present a case of a woman in her 50s who presented for evaluation of dyspnea and was found to have obstructive lung disease. In addition to RA, she had a significant smoking history and also owned pet birds, making definitive diagnosis difficult. Ultimately, chest imaging was crucial in identifying RA-related lung disease as the root cause of her symptoms, leading to successful treatment and symptom management. |