Search for: rheumatoid arthritis methotrexate autoimmune disease biomarker gene expression GWAS HLA genes non-HLA genes
| ID | PMID | Title | PublicationDate | abstract |
|---|---|---|---|---|
| 873956 | The spherocentric knee: biomechanical testing and clinical trial. | 1977 Jul | The spherocentric knee is a non-hinged, intrinsically stable knee-joint prosthesis which allows controlled triaxial rotation and was designed specifically for use in severely deformed or grossly unstable knees. Biomechanical evaluation of the prosthesis implanted in fresh human cadaver limbs demonstrated highly favorable motion, stability, strength, deflection, and energy absorption characterists for the spherocentric prosthesis-bone assembly as compared with control cadaver knees. After an average follow-up of 25.5 months after the first twenty-five spherocentric arthroplasties, the clinical results were highly satisfactory and suggested that the spherocentric knee may be relatively resistant to the problems of wear debris, loosening, and breakage which have plagued other intrinsically stable knee-joint prostheses. | |
| 133565 | [Experiences in the management of rheumatoid diseases using different clofezone doses]. | 1976 May | Highly significant improvement of symptoms was found during treatment with clofezone (Perclusone) over a period of 4 weeks in 56 in-patients with various rheumatic diseases, particularly rheumatoid arthritis (RA), ankylosing spondylitis (AS), and lumbar and cervical syndromes. During the first week clofezone was given at a daily dosage of 1200 mg and thereafter 600 mg. At the same time 21 of the patients with RA and 13 with AS received ACTH injections (0.25 mg twice a week). Already after the first week of treatment a highly significant decrease of disease activity was noticed, as judged by the amount of pain, inhibition of movements, joint swelling and erythrocyte sedimentation rate. The latter decreased on an average by 50% during the treatment period indicating a reduction of the inflammatory process. 51 of the 56 patients showed a satisfactory to very good tolerance of the treatment. Clofezone was discontinued in 5 patients during the first week, because gastro-intestinal intolerance occurred with the 1200 mg dosage. One of these 5 patients tolerated the smaller dosage later. As 3 of the 5 patients belonged to the RA and AS groups, the ACTH administration also has to be considered with regards to the intolerance. Because of possible side effects the higher dosage of clofezone should be given as short term treatment of highly active disease processes only. Clofezone reduced the serum uric acid level in 38 of 45 patients. Pathologically increased levels were reduced to normal in 15 of 17 patients. | |
| 6813484 | An open comparative study of auranofin vs. gold sodium thiomalate. | 1982 Jul | An open comparative study of 26 patients on auranofin (AF) and 26 patients on gold sodium thiomalate (GSTM) was undertaken. The GSTM patients responded more rapidly and there were more clinical remissions. The changes produced by AF were slower in onset. AF produced no significant changes in the erythrocyte sedimentation rate or C-reactive protein but it did reduce rheumatoid factor titers. Both AF and GSTM produced a temporary retardation of the radiological progression. Side effects occurred more frequently on GSTM and more patients had to be withdrawn from the trial. | |
| 6245468 | Carcinoma of the lung in progressive systemic sclerosis: a tabular review of the literatur | 1980 Feb | The association of various pathologic changes in the lung, especially interstitial fibrosis, in progressive systemic sclerosis is a recognized occurrence. Usually it is not the site of development of a malignancy. As a corollary the literature contains a number of examples of carcinoma developing in the lung in patients with idiopathic basilar fibrosis unrelated to PSS. Currently, we have reviewed the available literature and found a satisfactory description of 44 cases of carcinoma of the lung in patients with progressive systemic sclerosis. Also, there are brief descriptions of 10 cases of pulmonary carcinoma and PSS. The development of a malignancy superimposed upon the chronic changes in the lung, associated with the systemic sclerosing process may be related pathogenically to an altered immunologic response. | |
| 6993674 | Benoxaprofen administered once a day: determination of optimum dosage schedule. | 1980 | Six centers participated in a double-blind crossover study in patients with rheumatoid arthritis (RA) and osteoarthritis to evaluate the most advantageous timing of the daily dose of benoxaprofen. The study results revealed no significant difference between the morning and evening dose administered at a daily dose of 600 mg; however, more patients with RA preferred the evening dose. | |
| 290813 | Undesirable effects of gold salts. | 1979 | A review of recent studies of undesirable effects of gold salts is presented. Marrow aplasia is potentially the most serious side effect with a poor prognosis. Its prevalence is undetermined but may have been overestimated. Gold nephropathy and thrombocytopenia although more common usually have a good prognosis. Both can be satisfactorily treated without prolonged morbidity or mortality. Mucocutaneous reactions although more common are rarely of serious importance and need not necessarily prevent completion of a therapeutic course of gold salts. When indicated the side effects of gold salts can be adequately treated by cessation of therapy and use of corticosteroids. The value of chelating agents is desirable. | |
| 6993673 | Dose-range studies of benoxaprofen compared with placebo in patients with active rheumatoi | 1980 | The new nonsteroidal antiinflammatory drug benoxaprofen was compared with placebo in separate double-blind crossover studies in patients with active rheumatoid arthritis given 400 mg, 600 mg, or 800 mg a day. Benoxaprofen was significantly better than placebo at all doses studied. The 800 mg dose was the most effective but there were slightly more gastrointestinal side effects with this dose. The 600 mg dose was more effective than the 400 mg dose with an acceptably low incidence of side effects at both these doses. For most patients, 600 mg once daily will probably be the usual dose of the drug, but some will need the higher dose to 800 mg, while the condition of others may be satisfactorily controlled with just 400 mg daily. | |
| 4143114 | Studies into the occurrence of soluble antigen-antibody complexes in disease. VI. Further | 1974 May | The rheumatoid biologically active factor (RBAF) was characterized further with respect to its biological and physical characteristics. The histamine-releasing activity of the RBAF in the guinea-pig lung was influenced in the same manner as soluble immune complexes when the lungs were being perfused at 20°C or 45°C or when the perfusate lacked calcium or magnesium or contained N-ethylmaleimide, phenol, theophylline, adrenaline or succinate. The RBAF was consistently associated with complement-fixing activity and RBAF-positive synovial fluid showed a lower total haemolytic complement level than RBAF-negative fluid. However, RBAF activity was not lost following absorption with anti-human beta 1C globulin. There was a higher frequency of free DNA and/or single-stranded DNA in RBAF-positive than negative synovial fluid. RBAF-positive synovial fluid was more active than RBAF-negative fluid in neutrophil chemotaxis when examined at 1:10 but not when undiluted. Mixed IgG–IgM cryoprecipitates failed to show RBAF activity and aggregates seen on analytical ultracentrifugation of rheumatoid synovial fluid did not correspond with the RBAF. The RBAF was stable to freezing and thawing but was labile to acid pH and to heating at 56°C. It was concluded that the RBAF is likely to be a soluble immune complex consisting of IgG and a second constituent which is labile to acid and heat. | |
| 7469525 | Protease inhibitors in inflammatory synovial effusions. | 1981 Feb | Granulocyte lysosomal enzymes can potentially participate in cartilage degradation in inflammatory arthritides. However, we have shown that the quantity of several such enzymes in an inflammatory synovial effusion correlates negatively with the degree of radiographic damage of the joint from which the fluid was sampled. In the current work the quantity of the following 5 protease inhibitors was determined immunochemically in the same fluids: alpha 1 antitrypsin, alpha 1-antichymotrypsin, alpha 2-macroglobulin, inter-alpha-trypsin inhibitor, and Cl esterase inhibitor. These inhibitors are generally covariate and correlate positively with the total protein in the fluid as well as the number of granulocytes and the concentration of granulocyte lysosomal enzymes in the fluid. As did the lysosomal enzymes, the protease inhibitors correlate negatively with radiographic destruction. It is likely that lysosomal enzymes in solution in inflammatory synovial effusions are rendered effete by the presence of protease inhibitors. | |
| 4062997 | IgA rheumatoid factor synthesis by dissociated synovial cells. Characterization and relati | 1985 Nov | We examined patterns of IgA rheumatoid factor (RF) and IgM-RF synthesis by dissociated synovial cells obtained from 27 patients with seropositive rheumatoid arthritis. Synthesis of IgA-RF was observed in 19 of 34 synovial cell preparations from these patients and constituted a mean of 16% of the total IgA produced. IgA-RF expression correlated only weakly with IgM-RF production (r = 0.385) and could be dissociated from production of IgA-RF (and IgM-RF) exhibited by simultaneously obtained peripheral blood plasma cells. While wide variations were observed in the ratio of IgA-RF:IgM-RF produced by synovial B cells in the patient sample studied, remarkable consistency in the relationship of IgA-RF to IgM-RF synthesis was observed over time in different joints of the same patient. IgA-RF synthesized by dissociated synovial cells was predominantly of the IgA1 subclass and existed in both monomeric and polymeric forms. Our results are compatible with the view that local production of IgA-RF and IgM-RF are regulated independently of each other. | |
| 107572 | [Fluorine osteosis caused by a very long-term niflumic acid treatment in 2 cases of rheuma | 1978 Dec | An osteosclerosis opacifying the axial skeleton and affecting in particular all of the spine, was observed in two women aged 75 and 42 years who had been suffering from a rheumatoid arthritis developing between 15 and 26 years. It was traced to a chronic fluorine intoxication, stemming from the regular taking, for 10 years and 8 1/2 years, of a non cortisone, anti-inflammatory niflumic acid. This fluorine product has 3 atoms of fluor in its molecule (50.0 mg for a tablet of 250 mg). Its administration to control subjects proved the production of ionized fluor by way of the metabolism, and the accumulation of fluor in the organism. Rheumatoid polyarthritis and the prolonged corticotherapy (10 mg of prednisone per day for 21 years) cannot be dismissed as the origin of the severe demineralization of the limbs observed in the second patient, but the role of fluorine seems marked in the occurrence of this peripheral involvement with problems of mineralization and secondary hyperparathyroidisms. On the other hand, the absence of an intervertebral narrowing in the 2 patients, despite the very prolonged taking of cortisone (5 mg of prednisone per day for 15 years, for the 75-year-old patient) is perhaps a result of the fluorine. | |
| 7221496 | Characterization of antibody-dependent cell-mediated cytotoxicity in rheumatoid synovial f | 1981 | Synovial fluids of 15 rheumatoid arthritis patients, 11 juvenile rheumatoid arthritis patients, and 6 patients with other chronic inflammatory joint diseases were studied. The isolated mononuclear cells, mainly monocyte/macrophages and lymphocytes, were preincubated overnight and then cultured with antibody-sensitized 51Cr-labelled chicken erythrocytes. There was no significant difference in the cytotoxicity between mononuclear cells from synovial fluid and peripheral blood of the patients. Depletion of adherent cells of the mononuclear cell suspensions by nylon wool column fractionation or by incubation on plastic dishes and depletion of cells which had phagocytosed colloidal iron had no substantial effect on the cytotoxicity whereas depletion of cells forming rosettes with human erythrocytes sensitized with human IgG (EA-RFC) practically abolished the activity. This shows that in rheumatoid synovial fluids the net effect of monocyte/macrophages in this in vitro antibody-dependent cytotoxic assay is small. Thus, the main effector cells in these mononuclear cell suspensions are lymphocytes which probably exhibit surface-bound Fc-receptors. | |
| 5036883 | Total hip replacement in inflammatory hip disease using the Charnley prosthesis. | 1972 Jun 24 | The Charnley low-friction arthroplasty was performed on 73 hips in 55 patients with inflammatory joint disease, usually for intolerable pain. Sixty-five of these operations were reviewed at a special clinic or by postal questionnaire; 57 hips were painfree or gave rise to only occasional discomfort, in 58 there was an increased range of movement, and in 46 of the 59 hips assessed clinically, the results were excellent or good. The most serious complication was deep infection, which occurred in 7 operations. | |
| 287216 | Excretion of glucose-containing oligosaccharides in urines of orthopedic patients. | 1979 May | Urinary neutral oligosaccharides of various connective tissue diseases were studied by gel-filtration through Sephadex G--10 after treatments with cetylpyridinium chloride (CPC), Dowex 50 (H+ form) and Dowex 1 (Cl- form), in succession. Increased excretion of urinary glucose-containing oligosaccharides, specifically glucosylgalactose was observed in most of the patients with chondrosarcoma, rheumatoid arthritis, Werner's syndrome, Rothmund Thomson syndrome and Morquio's disease. However, urinary excretion of neutral oligosaccharides in the patients with osteosarcoma and other tumorous conditions, and some systemic disorders in the connective tissues, examined in the present study, showed almost normal values. It is indicated, therefore, that the activity of glucosidase in insufficient for the glucose-containing oligosaccharides produced from the ground substance(s) in the former type connective tissue diseases. | |
| 201907 | Gold nephropathy. | 1977 Oct | Nephropathy with proteinuria is an occasional complication of gold therapy for rheumatoid arthritis and is considered to be due to an immune hypersensitivity reaction. Three patients are described in whom the structural changes typical of gold nephropathy were demonstrated by electron microscopy of renal biopsies. There was early membranous glomerular nephropathy with multiple sub-epithelial deposits of immune complexes. In one case these were shown by immunofluorescence to contain IgG and complement. Proximal tubules contained characteristic dense granular intracytoplasmic gold inclusions, best demonstrated by electron microscopy of unstained sections. | |
| 304786 | Human blood L lymphocytes in patients with active systemic lupus erythematosus, rheumatoid | 1977 Dec | Human blood lymphocytes with high affinity Fc receptors for IgG will bind small aggregates of this immunoglobulin at 4 degrees C. These cells have been named L lymphocytes because of membrane-labile IgG determinants. L cells possess a profile of surface markers and functional characteristics which differ from T and B cells. Immunofluorescence methods have been employed to quantify L lymphocytes in subjects with connective tissue diseases and certain infections, and these values have been compared with those for T and B cells. The mean values of L lymphocytes in groups of patients with systemic lupus erythematosus, rheumatoid arthritis and scleroderma ranged between 14% and 18%; values similar to normals. Groups with acute pneumonia and tuberculosis, however, had significantly increased percentages of L lymphocytes. The absolute number of L cells was decreased in subjects with connective tissue diseases, as was the number of T and B cells. L lymphocytes in those with infections were not significantly decreased. Only L lymphocytes were depleted by immobilized antigen--antibody complexes, another characteristic which distinguishes them from T and B cells. | |
| 3160514 | The change in C3b receptors on erythrocytes from patients with systemic lupus erythematosu | 1985 Jun | A deficiency of C3b receptors (CR1) on erythrocytes from patients with systemic lupus erythematosus (SLE) has already been reported and assumed to be one of the causes of the impaired immune complex clearing function found in these patients. In the present study, we developed a functional assay to quantify the amount of CR1 on human erythrocytes. Sample erythrocytes were reacted with tetanus toxoid-anti-tetanus toxoid immune complexes (IC) in the presence of complement. The amount of CR1 was expressed as the amount of IC bound to sample erythrocytes. Determination of CR1 showed a decrease in erythrocytes from patients with SLE, rheumatoid arthritis and other connective tissue diseases. The activity of CR1 in erythrocytes from patients with SLE changed in parallel with complement activity and also reflected the clinical status of two of three patients. These results imply that the reduction of CR1 found in SLE patients might be cause not only by hereditary factors but by unknown factors that influence the amount or function of CR1. | |
| 6232585 | [Pulse corticoid therapy in rheumatology]. | 1984 May 12 | Infusions of corticosteroids in massive doses (methylprednisolone 1 g/day for 1 to 3 days) are used by nephrologists against acute episodes of rejection of transplanted kidneys and in acute glomeruloneppritis , especially lupic , with threatening renal failure. During the last few years this method has been tried in collagen diseases, notably in acute episodes of systemic lupus erythematosus without renal insufficiency, in rheumatoid arthritis and in ankylosing spondylitis. Published controlled studies concerning these three diseases are too few for firm conclusions to be drawn. The improvement obtained during 3 months on average after 3 g (1 g/day for 3 days) is not observed in all patients and it is not certain that such high doses are innocuous: they do not seem to have been responsible for deaths, as reported in patients with renal transplantation, but undesirable side-effects are observed in one-half of the cases. Close supervision with repeated measurement of blood electrolytes and electrocardiograms is mandatory during and immediately after treatment. | |
| 6762531 | Pharmacology, clinical efficacy, and adverse effects of the nonsteroidal anti-inflammatory | 1982 Nov | Benoxaprofen is a nonsteroidal anti-inflammatory agent that belongs to the arylalkanoic acid class of antirheumatic drugs. Animal studies have demonstrated that it has analgesic, antipyretic, and anti-inflammatory properties. Although benoxaprofen is a relatively weak inhibitor of cyclo-oxygenase in in vitro systems, inhibits lipoxygenase in other systems, and inhibits monocyte migration in some animal models of inflammation, it has not been established that it is unique with regard to these actions. Benoxaprofen undergoes hepatic metabolism via glucuronidation as the primary route of elimination and has a half-life of 28-35 hr. Clinical trials have demonstrated that its analgesic and anti-inflammatory properties are useful in the management of the signs and symptoms of rheumatoid arthritis and osteoarthritis. Once daily dosing of 300-600 mg is effective for many patients. In addition to gastrointestinal intolerance, photosensitivity and onycholysis are the most frequent adverse effects encountered. Recent reports of fatal cholestatic jaundice often associated with nephrotoxicity led to the withdrawal of benoxaprofen from world markets. It is uncertain whether it will once again be available for clinical use. | |
| 3921306 | The effect of piroxicam and auranofin on cell migration. | 1985 Mar | Previous work at our laboratory has shown that Piroxicam is a potent inhibitor of neutrophil cell migration "in vitro". We have now extended these observations by comparing the effect of Piroxicam "in vivo" on neutrophil and monocyte chemotactic activity as well as comparing the findings with those obtained with Auranofin, a novel oral gold salt preparation. The data presented support the notion that Piroxicam appears to be an inhibitor of neutrophil cell function while Auranofin predominantly affects monocyte cell migration. |