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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15074175 | [The practice guideline 'Rheumatoid arthritis' (first revision) from the Dutch College of | 2004 Mar 20 | In the revised guideline on rheumatoid arthritis of the Dutch College of General Practitioners, in contrast to the previous guideline, particular emphasis is given to an early diagnosis. Moreover, rapid and maximal suppression of the disease process is recommended to delay or prevent damage to the joints. This policy however does not take into account the lack of evidence with regard to improvement of prognostic disability parameters. A careful, individualized referral indication is necessary so as to reduce the chance that patients are referred and treated but later turn out not to have had rheumatoid arthritis. | |
12501944 | Use of cognitive-behavioural arthritis education programmes in newly diagnosed rheumatoid | 2002 Dec | OBJECTIVE: To identify the effect of attending a cognitive-behavioural arthritis education programme on the health status of participants with newly diagnosed rheumatoid arthritis (RA) compared with a control group. DESIGN: Randomized controlled trial. SETTING: Hospital based. SUBJECTS: Newly diagnosed with RA. INTERVENTION: Participation in either a cognitive-behavioural arthritis education programme or a standard arthritis education programme (control group). Sessions for both groups lasted for 2 hours per week for four weeks. Subjects were examined at home by an assessor blinded to group allocation, prior to and three and six months following attendance. OUTCOME MEASURES: The main outcome measure was the Physical Function subscale of the Arthritis Impact Measurement Scale Two. Other outcome measures included erythrocyte sedimentation rate (ESR), joint count scores, assessments of pain and psychological status. RESULTS: Fifty-four subjects (mean time since diagnosis 4.5 months) took part. Baseline analysis revealed that the control group had significantly better levels of functional ability (U = 185; p = 0.009) and lower levels of helplessness (U = 168; p = 0.002) prior to intervention. This difference remained unchanged three months later. Six months following the intervention no significant differences were noted between the groups for any measure of health status. There were no significant changes in health status over time in either group. CONCLUSION: Attending a cognitive-behavioural arthritis education programme had no significant effect on the health status of individuals newly diagnosed with RA. The move to early use of these programmes should be examined further, with a larger sample size and longer duration of follow-up. | |
15146407 | Documenting damage progression in a two-year longitudinal study of rheumatoid arthritis pa | 2004 May | OBJECTIVE: In early rheumatoid arthritis (RA), longitudinal studies have demonstrated that magnetic resonance imaging (MRI) is more sensitive than radiography in demonstrating progressive erosive joint damage. The present study evaluated the progression of erosive damage in patients with established RA by using limited field of view MRI and comparing the results with those obtained by radiography. METHODS: MRI and radiographic studies were available from 47 of 60 patients enrolled in a 2-year RA observational study. MRI of the metacarpophalangeal (MCP) joints was performed at baseline and 2 years later, and a single observer scored all of the MR images with the use of an MRI scoring method developed by the Outcome Measures in Rheumatology Clinical Trials MRI RA study group. MR images from 14 patients were reread by the same observer after 1 week to assess intraobserver reliability. Radiographs were obtained at baseline and at 2 years, and were scored by an observer using the Scott modification of the Larsen score. Radiographs from 14 patients were reread after 1 week to assess the intraobserver reliability. The smallest detectable difference (SDD) was calculated for the MRI scores, the total Larsen scores, and the Larsen scores of the dominant-hand MCP joints (MCPs 2-5) for direct comparison with the MRI results. RESULTS: The median disease duration was 5.1 years (range 0.5-29 years). Evidence of erosion progression was identified by MRI in 30 patients (64%). The SDD based on the intraobserver scores was calculated as +/-3.25 units. Using this result, 11 patients (23%) showed evidence of erosion progression on MRI that was greater than the SDD. The SDD for progression based on the intraobserver total Larsen radiographic scores was 0.77 units, and the SDD for the Larsen scores of the dominant-hand MCP joints was 1.55 units. On the basis of these results, radiographic progression was noted in 19 patients (40%) by the total Larsen score and 7 patients (15%) by the dominant-hand MCP Larsen score. The most striking finding was that although MRI and radiograph scores identified a similar group of patients as having progression of joint damage, the radiographs of both hands appeared to be more responsive to change, albeit with the caveat that radiographic progression was most marked outside the dominant-hand MCP joints. CONCLUSION: There was no clear advantage of MRI with a limited field of view as compared with radiographic imaging of both hands in detecting progression of joint damage over 2 years in this group of patients with established RA. The conclusion drawn from this study is not that radiographs are better than MRI or vice versa, but that careful analysis is required to determine the optimal imaging method, or combination of imaging methods, for each study population, depending on the objective and duration of the study. | |
15552510 | New approaches to imaging early inflammatory arthritis. | 2004 Sep | Imaging techniques such as musculoskeletal ultrasonography (MUS) and magnetic resonance imaging (MRI) are playing an increasingly important role in the assessment of patients with inflammatory arthritis. Such modalities are now used routinely in the evaluation of joint, tendon and soft tissue inflammation and bone damage in many early arthritis clinics. They have the ability to directly visualise, characterise and quantify the earliest inflammatory changes and have proved not only to be useful additional complimentary clinical tools to improve the speed and accuracy of diagnosis, direct appropriate treatment, monitor response to therapy, measure disease progression and outcome but also continue to contribute to our understanding of disease pathogenesis. These imaging methods may therefore offer a significant advantage as they endorse the principles of early diagnosis and optimal targeted therapy essential to providing the most favourable long term outcome for patients with inflammatory arthritis. This article reviews the current evidence supporting the role of MUS and MRI in the assessment of patients with inflammatory arthritis. | |
14969060 | Early arthritis and rheumatoid arthritis in Germany. | 2003 Sep | Early arthritis is challenging because the clinical picture often does not allow a distinction between rheumatoid arthritis (RA), self-limiting disease, and other forms of inflammatory arthritis. In Germany the first early synovitis clinic and several inception cohorts of patients with early RA were initiated and evaluated during the 1980s and 1990s to learn more about diagnostic classification, psycho-social problems and socio-economical status including sick-leave, work loss, and indirect costs of patients with early arthritis and early RA. Unclassified arthritis was described as the most frequent diagnosis and the term "undifferentiated arthritis" was chosen to underline the heterogeneity of theses arthritides and the preliminary state of this classification as a working diagnosis. A large National Databank of the German Regional Collaborative Arthritis Centres has been established over the last 10 years. In total, there are some 170,000 cases in the database. Moreover, a prospective multicentre inception cohort of early RA of less than 1 year's disease duration has been started recently to evaluate parameters of potential relevance for the pathogenesis of RA and eventually for the prediction of erosive disease. Studies are in progress to test the diagnostic performance of specific antibodies and antibody patterns for RA. Another topic of research addresses the identification of bacterial DNA in synovial fluid and synovial tissues to improve the differentiation of patients with reactive arthritis from those with early RA and to narrow the working diagnosis of undifferentiated arthritis. | |
15631262 | [Antibodies against citrullinated proteins--a breakthrough in rheumatologic diagnostics]. | 2004 Dec 9 | Antibodies directed against citrullinated proteins (anti-CP) constitute a newly defined group of autoantibodies with very high diagnostic specificity for rheumatoid arthritis (RA). The most recently developed assays have a sensitivity comparable to that of traditional tests for Rheumatoid Factor (RF). Due to its considerably higher specificity, the authors recommend that anti-CP antibody analysis should replace the RF test in primary healthcare when investigating cases of clinically suspect RA. | |
14984588 | Interleukin-17: the missing link between T-cell accumulation and effector cell actions in | 2004 Feb | The prominence of T cells and monocyte/macrophages in rheumatoid synovium suggests T cells may localize and amplify the effector functions of monocyte/macrophages in rheumatoid disease. However, while T cells are abundant in rheumatoid joints, classic T-cell derived cytokines are scarce, especially when compared to the levels of monokines IL-1 beta and TNF-alpha. For this reason, it has been speculated that monocyte/macrophages may act independently of T cells in rheumatoid disease and that the role of T cells may be more or less irrelevant to core disease mechanisms. The question of T-cell influence requires re-evaluation in light of the characterization of IL-17, a T-cell derived cytokine that is abundant in rheumatoid synovium and synovial fluid. IL-17 has a number of pro-inflammatory effects, both directly and through amplification of the effects of IL-1 beta and TNF-alpha. IL-17 is able to induce expression of pro-inflammatory cytokines and stimulate release of eicosanoids by monocytes and synoviocytes. Furthermore, IL-17 has been implicated in the pathogenesis of inflammatory bone and joint damage through induction of matrix metalloproteinases and osteoclasts, as well as inhibition of proteoglycan synthesis. In animal models of arthritis, intra-articular injection of IL-17 results in joint inflammation and damage. The recognition of IL-17 as a pro-inflammatory T cell derived cytokine, and its abundance within rheumatoid joints, provides the strongest candidate mechanism to date through which T cells can capture and localize macrophage effector functions in rheumatoid arthritis. As such, IL-17 warrants consideration for its potential as a therapeutic target in rheumatoid arthritis. | |
12031688 | The water-soluble fraction of bee venom produces antinociceptive and anti-inflammatory eff | 2002 May 31 | We recently demonstrated that bee venom (BV) injection into the Zusanli acupoint produced a significantly more potent anti-inflammatory and antinociceptive effect than injection into a non-acupoint in a Freund's adjuvant induced rheumatoid arthritis (RA) model. However, the precise BV constituents responsible for these antinociceptive and/or anti-inflammatory effects are not fully understood. In order to investigate the possible role of the soluble fraction of BV in producing the anti-arthritic actions of BV acupuncture, whole BV was extracted into two fractions according to solubility (a water soluble fraction, BVA and an ethylacetate soluble fraction, BVE) and the BVA fraction was further tested. Subcutaneous BVA injection (0.9 mg/kg/day) into the Zusanli acupoint was found to dramatically inhibit paw edema and radiological change (i.e. new bone proliferation and soft tissue swelling) caused by Freund's adjuvant injection. BVA treatment also reduced the increase in serum interleukin-6 caused by RA induction to levels observed in non-arthritic animals. In addition, BVA therapy significantly reduced arthritis-induced nociceptive behaviors (i.e. nociceptive scores for mechanical hyperalgesia and thermal hyperalgesia). Finally, BVA treatment significantly suppressed adjuvant-induced Fos expression in the lumbar spinal cord at 3 weeks post-adjuvant injection. In contrast, BVE treatment (0.05 mg/kg/day) failed to show any anti-inflammatory or antinociceptive effects on RA. The results of the present study demonstrate that BVA is the effective fraction of whole BV responsible for the antinociception and anti-inflammatory effects of BV acupuncture treatment. Thus it is recommended that this fraction of BV be used for long-term treatment of RA-induced pain and inflammation. However, further study is necessary to clarify which constituents of the BVA fraction are directly responsible for these anti-arthritis effects. | |
15893712 | Peptidylarginine deiminase type 4, anticitrullinated peptide antibodies, and rheumatoid ar | 2005 Apr | Anticitrullinated peptide antibodies seem to be one of the most clinically reliable serologic markers for rheumatoid arthritis (RA). A genetic approach revealed that one of the citrullinating enzymes has a RA-susceptible variant. Peptidyl citrullination alters the chemical character of peptides and, subsequently, their antigenicity as well. This change in antigenicity of self-peptides seems to invoke citrulline-related autoimmunity. Although the precise physiologic role of citrullination is still unknown, accumulating data indicate that citrullination has a definite role in biologic phenomena, along with other posttranslational protein modifications, such as methylation and phosphorylation. In RA synovial tissue, two of five PADI isotypes are known to be expressed, and their expression is regulated at multiple steps: transcription, translation, intracellular localization, and activation/inactivation of PADI proteins. Further investigations on citrulline and PADIs from various aspects will provide a more profound understanding of RA-related autoimmunity. | |
12964513 | Frequency of lymphadenopathy in rheumatoid arthritis and systemic lupus erythematosus. | 2003 Jul | This study aimed to assess the frequency of all palpable lymph nodes during active disease and remission in patients with rheumatoid arthritis (RA) and systemic lupus erythematosus (SLE). Hospital records of 100 SLE patients, 100 RA patients, 100 spondyloarthropathy patients, and 150 osteoarthritis patients, treated in our rheumatology department, were evaluated retrospectively. Overall frequencies of enlarged lymph nodes in patients with active RA and SLE were 82% and 69%, respectively. Enlarged lymph nodes associated with RA were mostly located in the axillary region, and in SLE the nodes were smaller and lymphadenopathy was more generalized compared with RA. Palpable lymph nodes disappeared in the majority of patients during remission. Lymphadenopathy was significantly less frequent in patients treated with steroids before admission. Lymph node enlargement is an important physical finding associated with RA and SLE disease activity. Atypical locations and unusually large lymph nodes should raise clinical suspicion of another underlying disease. | |
12817090 | Pathogenesis of bone and cartilage destruction in rheumatoid arthritis. | 2003 May | Proinflammatory cytokines, such as interleukin-1 (IL-1) and tumour necrosis factor alpha (TNFalpha), have been implicated in the dysregulation of bone and cartilage remodelling characteristic of rheumatoid arthritis (RA). With respect to bone remodelling, both of these cytokines have been shown to up-regulate the production of the receptor activator of nuclear factor-kappaB ligand, which acts to enhance osteoclastic bone resorption. TNFalpha stimulates differentiation of osteoclast progenitors into mature osteoclasts and IL-1 acts directly on osteoclasts to increase the bone-resorbing capacity of these cells. IL-1 and TNFalpha also adversely affect cartilage remodelling, although IL-1 is more potent on a molar basis. This cytokine not only increases production of factors that stimulate cartilage matrix degradation, but also inhibits the synthesis of type II collagen and proteoglycans. Enhanced understanding of the mechanisms underlying the processes of joint destruction will allow more selective and specific application of therapeutic agents that target these proinflammatory cytokines and, thus, more effective management of patients with RA and other inflammatory disorders. | |
15140420 | What next for rheumatoid arthritis therapy? | 2004 Jun | Introduction of biological agents for the treatment of the chronic inflammatory joint disease rheumatoid arthritis has reinvigorated research into this debilitating disease. These agents have been shown to both act on the signs and symptoms of disease, as well as retard the progression of joint destruction. However, these agents are not efficacious in all cases and their expense and route of administration can severely limit their use. Therefore the search continues not only for additional targets to help those individuals refractive to current therapy but also for more affordable orally active small molecule alternatives to biological agents. | |
14969054 | Work disability in early rheumatoid arthritis. | 2003 Sep | Patients with rheumatoid arthritis (RA) are at risk of work disability from the very start of their symptoms. Prospective cohorts including patients with early RA show that 20-30% become permanently work disabled during the first 2-3 years of the disease. Risk factors for early work disability include a physically demanding job, older age, and lower educational level, as well as the level of functional disability in daily activities. Work disability accounts for a major fraction of the costs of RA both to the patient and to society. Improved work disability outcomes in RA may require attention to social, economic, and political issues, and broader physician and public education concerning RA, in addition to improved medical management of the disease. | |
12687512 | Radiographic damage associated with low bone mineral density and vertebral deformities in | 2003 Apr 15 | OBJECTIVE: To examine variables associated with bone mineral density (BMD) and vertebral deformities in women with rheumatoid arthritis (RA) from 3 northwest European countries. METHODS: Female patients were recruited from rheumatology clinics in Oslo, Norway; Truro, UK; and Amsterdam, The Netherlands (150 total, 50 per center, age 50-70 years, disease duration > or = 5 years). Demographic and clinical data were collected and BMD was measured by means of dual energy x-ray absorptiometry. Associations between demographic and clinical measures on the one hand and BMD and vertebral deformities on the other were investigated by single and multiple regression analyses. RESULTS: Body mass index (BMI), medication use, RA damage measures, and BMD differed significantly between the 3 centers. Overall, Norwegian patients had the lowest BMI, used more corticosteroids and anti-osteoporotic drugs, had lower joint damage measured by Larsen score, and lower BMD at both spine and hip. High age, low BMI, and high cumulative dose of corticosteroids (last 2 years) are related to low BMD. A high Larsen score was associated with low BMD at the hip. Larsen score was the independent determinant of vertebral deformities after correction for center, age, BMI, and BMD. CONCLUSION: Data from 3 countries on BMD and vertebral deformities in female patients aged 50-70 years with longstanding RA are presented, demonstrating an association between radiographic RA damage and low BMD and between radiographic RA damage and vertebral deformities. | |
12528107 | Reduced arterial elasticity in rheumatoid arthritis and the relationship to vascular disea | 2003 Jan | OBJECTIVE: Rheumatoid arthritis (RA) is associated with increased rates of cardiovascular disease. Reduced small artery elasticity (SAE) and large artery elasticity (LAE) and increased systemic vascular resistance (SVR) have been found in other high-risk groups. In the present study, we sought to determine whether arterial elasticity was reduced and SVR was increased in RA patients compared with controls matched for coronary artery disease (CAD) status, and to relate the results to vascular disease risk factors, including measures of inflammation. METHODS: Arterial elasticity was assessed by pulse wave analysis in RA patients with (n = 15) and without (n = 38) CAD, and in controls matched 1:1 for age, sex, and CAD status. Vascular risk factors, including high-sensitivity C-reactive protein (hsCRP), soluble vascular cell adhesion molecule 1 (sVCAM-1), and serum amyloid A (SAA) levels, were assessed. RESULTS: SAE and LAE were significantly lower and SVR was significantly higher in RA patients than in controls. RA patients also had higher levels of hsCRP, SAA, and sVCAM-1. SAE and LAE values were inversely correlated with markers of inflammation. Associations of SAE and LAE with RA were independent of conventional risk factors, but were dependent on markers of inflammation. CONCLUSION: Vascular function is abnormal in RA, with reduced SAE and LAE and increased SVR relative to controls. Arterial elasticity is inversely associated with measures of inflammation. These measures may be clinically useful in the detection and monitoring of vascular disease in RA. | |
12051392 | Differences in understanding and application of 1987 ACR criteria for rheumatoid arthritis | 2002 Mar | OBJECTIVES: To determine areas of agreement and disagreement among experts in the interpretation of the published criteria for RA (ACR) and spondylarthropathies ( ESSG). METHODS: Thirty-two experts (16 from France and 16 from 10 other countries) replied anonymously to a mailed questionnaire. RESULTS: Tenosynovitis and 'sausage-like' painless swelling of the toes were considered as criteria for RA by 18 and 14 experts, respectively. The definition of symmetry differed widely among experts (symmetry of only one group of joints was sufficient for 13). Twenty-five experts considered erosions of other joints than the wrists and fingers as a criterion for RA, 17 thought that fulfilment of criteria could be achieved cumulatively, and 19 would appreciate clarifications of the current criteria. Among possible clarifications for RA, it was frequently recommended that morning stiffness and nodules be eliminated and that new marker antibodies, X-rays of the feet, and exclusion criteria be added. Twenty-three of the 29 experts who gave an opinion (79%) agreed with the notion of SP in the absence of axial signs and sacroiliitis, 26/31 (84%) indicated that a patient can have both RA and SP, and 19/30 (63%) thought that RA and SP could be regarded as syndromes more than diseases. Only 5/32 experts relied more on the criteria than on their clinical judgement in diagnosing RA. CONCLUSIONS: There would seem to be a needfor the optimisation of RA and ESSG criteria, particularly within the context of early arthritis. | |
12065984 | Evaluation of posterior long fusion versus conservative treatment for the progressive rheu | 2002 Jun 15 | STUDY DESIGN: Results of the posterior long fusion performed for the progressive cervical lesions of rheumatoid arthritis were compared with the outcomes of those who did not undergo surgical treatment. OBJECTIVE: To provide a clue as to whether posterior long fusion improves or maintains the impaired daily life activity of the patients with rheumatoid arthritis with progressive, mutilating-type joint involvements. SUMMARY OF BACKGROUND DATA: To provide optimal treatments for the cervical lesions of patients with rheumatoid arthritis, the natural courses of cervical lesions should be taken into account. In the authors' preliminary study they have retrospectively investigated natural courses of cervical rheumatoid arthritis lesions and have found that the seropositive patients with rheumatoid arthritis with mutilating-type joint involvement are at a high risk of deteriorating the cervical lesion once their cervical spine becomes affected. METHODS: In the present study 17 seropositive patients with rheumatoid arthritis with mutilating-type joint involvements were studied. Eleven patients underwent surgical treatments (operated group), whereas six patients did not (nonoperated group). All of the operated patients underwent occipitocervical or occipitocervicothoracic fusion supplemented by the Luque's sublaminar wiring and preoperative and postoperative usage of halo-jacket. RESULTS: The six patients of the nonoperated group worsened the activities of daily living score and resulted in either complete bedridden or in death by the time point of final follow-up. In contrast, all of the 11 operated patients either improved or maintained the activities of daily living score: those operated because of neurologic compromise due to myelopathy improved at least one class in the activities of daily living score, and those operated because of severe occipitocervical pain maintained the activities of daily living with relief of pain. CONCLUSION: The present study suggests that posterior long fusion may achieve an improvement of activities of daily living, at least, for a certain time period. However, the newly emerging lesions adjacent to the fused segments, which may result from the increased mechanical loads, may finally lead to the impairment of activities of daily living. | |
15610214 | Tumour necrosis factor inhibitors: risks and benefits in patients with rheumatoid arthriti | 2004 Dec | Rheumatoid arthritis (RA) is the most common form of inflammatory arthritis and can, if left untreated, result in significant disability and early death. It is also associated with large direct and indirect costs to the individual and to society. Early and aggressive disease modifying anti-rheumatic drug (DMARD) treatment of patients at risk of erosive disease has improved the outcome in the majority, but not all, RA patients. Tumour necrosis factor (TNF) appears to be a key mediator of the inflammatory and destructive process in RA, and consequently inhibitors of TNF action have been tested in randomized controlled trials in patients with RA. The results of these studies have suggested that TNF inhibitors are potent DMARD particularly when combined with methotrexate. They appear well tolerated with the commonest adverse events related to their parenteral route of administration, and the serious but rare side-effects being various infections, notably tuberculosis, multiple sclerosis, and worsening of cardiac failure. Treatment costs are high and range from $15 000 to $25 000 per patient per year. Etanercept, adalimumab and infliximab have recently been subsidised under the Pharmaceutical Benefits Scheme in Australia for patients with severe DMARD-resistant RA. The availability of TNF inhibitors in RA represents a significant advance in the treatment of patients with severe RA. | |
15292813 | Protease expression in interface tissues around loose arthroplasties. | 2004 Aug | To determine whether cathepsins and matrix metalloproteinase-1 are involved in accelerating tissue destruction, we examined, immunohistochemically, the expression of matrix metalloproteinase-1 and cathepsins B, D, L, and X in periprosthetic synovial-like interface tissues from 14 patients with failed prosthetic hips and in the synovial membranes of hips from 18 patients with rheumatoid arthritis and 25 patients with primary osteoarthritis. The expression levels of all these proteases in the interface tissue were higher than in the synovial membrane of osteoarthritis. The expression levels of cathepsins B and X in the interface tissue were higher than in the rheumatoid synovium. The results show similarities in the expression patterns of cathepsins D and L and matrix metalloproteinase-1 between aseptic prosthetic loosening and rheumatoid arthritis. In addition, these data suggest that the impact of cathepsins B and X on tissue degradation is more pronounced in aseptic prosthetic loosening than in rheumatoid arthritis. | |
15479885 | Predictive factors of work disability in rheumatoid arthritis: a systematic literature rev | 2004 Nov | BACKGROUND: Work disability-a common outcome of rheumatoid arthritis (RA)-is a societal (for example, financial costs) and individual problem (for example, loss of status, income, social support, and distraction from pain and distress). Until now, factors that predict work disability in RA have not been systematically reviewed. OBJECTIVE: To determine predictive factors of work disability in RA as reported in the literature. METHODS: A systematic literature search in Cinahl (1988-2004), Embase (1988-2004), and Medline (1989-2004) was followed by the application of two sets of criteria related to: (a) methodological quality, and (b) measurement of the predictive factor. Based on the quality and the consistency of the findings, a rating system was used to assess the level of evidence for each predictive factor. RESULTS: Nineteen publications (17 cohorts) were identified, of which 13 met the general methodological quality criteria. Results provided strong evidence that physical job demands, low functional capacity, old age, and low education predict work disability in RA. Remarkably, biomedical variables did not consistently predict work disability. Moreover, owing to the lack of high quality studies no evidence was found for personal factors such as coping style, and work environmental factors such as work autonomy, support, work adjustments that are presumed crucial in the work disablement process. CONCLUSIONS: The results indicate that work disability in RA is a biopsychosocially determined misfit between individual capability and work demands. |