Gene/Protein Disease Symptom Drug Enzyme Compound
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Query: UNIPROT:P05231 (interleukin-6)
 23,907 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

We describe a patient with Wegener's granulomatosis in whom the serum levels of interleukin-6 (IL-6) and other laboratory parameters were monitored. The IL-6 and CRP levels, which were extremely high before treatment, declined rapidly with corticosteroid and cyclophosphamide. IgG, leukocyte count and platelet count declined more gradually. Thus, determination of the serum IL-6 level might be useful in diagnosing and monitoring Wegener's granulomatosis.
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PMID:Distinct responses of interleukin-6 and other laboratory parameters to treatment in a patient with Wegener's granulomatosis. 850 33

The purpose of this study was to elucidate the significance of measurements of cytokines in the amniotic fluid. Amniotic fluid was retrieved by transabdominal amniocentesis from 113 women in the following groups: Preterm labor (N = 58), PROM (N = 21) and term elective C/S (N = 34). Tumor necrosis factor alpha (TNF-alpha) and interleukin-1 beta (IL-1 beta), were measured with a commercially available ELISA. Interleukin-6 (IL-6) was measured by bioassay and newly developed "luminescencer EIA". 1. Amniotic fluid concentrations of TNF-alpha, IL-1 beta and IL-6 in cases of term elective C/S were 22.8 +/- 19.2 pg/ml, 8.1 +/- 5.2 pg/ml and 166.8 +/- 126.1 pg/ml, respectively. 2. Significantly higher levels of TNF-alpha, IL-1 beta, IL-6 were found among the cases who failed to respond to tocolysis (i.e. delivery within 48 hrs of amniocentesis). In contrast, no significant difference in such conventional markers of infection as maternal serum CRP was noted. 3. According to the degree of histopathologic chorioamnionitis (Blanc), significantly higher concentrations of IL-1 beta, IL-6 were found among the of stage III cases than those in stage II irrespective of the rupture of the membranes (IL-1 beta: 1.36 +/- 0.41 ng/ml vs 76.6 +/- 20.1 pg/ml, IL-6: 31.98 +/- 4.55 ng/ml vs 5.22 +/- 0.92 ng/ml). Significant correlation was also found between the concentrations of IL-1 beta, IL-6 and the pathological degree of funitis (Nakayama, stage 0 < stage I, stage II < stage III).(ABSTRACT TRUNCATED AT 250 WORDS)
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PMID:[Significance of amniotic fluid cytokines measurement in threatened preterm labor and premature rupture of the membranes]. 850 68

In 277 patients admitted to hospital for community-acquired pneumonia (CAP) an aetiologic diagnosis was established in 68% with S. pneumoniae being the predominating agent. Four percent of the patients (12/277) died during their hospital stay, and only one of these patients was below 60 years of age. On admission, the most important factor, independently associated with fatal disease was a low serum albumin concentration, which was also a negative prognostic factor for the course of the survivors. In patients admitted to hospital for CAP, the finding of a low serum albumin level should therefore lead to intensified observation and treatment. Of 241 patients discharged after treatment for CAP, 50 patients were readmitted to hospital with recurrence of pneumonia during a 31 month follow-up period. This pneumonia incidence rate was more than five times that in a control population. Fifty-one of the patients (21%) died during follow-up, with 13 (25%) of the deaths directly associated with pneumonia. Systemic treatment with corticosteroids was associated with a higher risk of recurrence of pneumonia and death, while airway colonisation with Gram-negative enteric bacteria and a serum albumin below 30 g/l during hospital treatment of the initial pneumonia were associated with death from pneumonia after discharge. In 97 middle-aged and elderly patients admitted to hospital for CAP, malnutrition reflected by low triceps skinfold (TSF) and body mass index (BMI) values was associated with death during a six-month follow-up period, as was severity of disease on admission classified according to acute physiology and chronic health evaluation (APACHE II). Admission serum concentrations of orosomucoid and alpha-1-antitrypsin were most closely correlated with in-hospital morbidity measured as days spent in hospital and duration of fever. The risk of readmission within six months of discharge was higher in patients with high admission levels of APACHE II and TSF. Measurement of serum concentrations of alpha-1-antitrypsin and orosomucoid on admission should be considered in order to better predict hospital morbidity in these patients. Measurements of APACHE II and TSF on admission may give additional prognostic information on the interval from admission to six months after discharge. On admission 64% of the patients were hypoalbuminaemic, but only 6-10% were so at follow-up visits. Admission serum albumin concentration correlated negatively with investigated acute-phase proteins, and positively with other serum transport proteins, but no association with investigated nutritional measurements was found. The main reason for depressed serum albumin in elderly patients with pneumonia thus seems to be not malnutrition, but the inflammatory reaction per se. In 203 hospital-treated patients with CAP, the diagnostic and prognostic value of admission serum levels of interleukin-6 (IL-6) and C-reactive protein was investigated. The highest levels of IL-6 and CRP were found in patients with pneumococcal pneumonia, especially when bacteraemic. Patients with high IL-6- or CRP levels had longer duration of fever, longer hospital stay, and fewer had recovered clinically or radiographically at follow-up eight weeks after discharge. A high IL-6, but not a high CRP, also seemed to be associated with a higher mortality. The type-specific antibody responses to six pneumococcal capsular polysaccharide antigens included in the 23-valent vaccine as well as antibodies against the vaccine were measured by use of an enzyme-linked immunosorbent assay in 65 middle-aged and elderly individuals treated in hospital for pneumonia eight weeks prior to vaccination. The antibody concentrations before and after the vaccination were comparable with those in a vaccinated age-matched control group who had not recently been treated for pneumonia...
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PMID:Community-acquired pneumonia requiring hospitalisation. Factors of importance for the short-and long term prognosis. 858 66

We investigated the effect of prostaglandin E1 (PGE1) on intraoperative cytokine responses and the incidence of postoperative complications. Twenty-six patients undergoing elective pneumonectomy were randomly allocated into PGE1 group (n = 12) and control group (n = 14). The PGE1 group received continuous infusion of PGE1 during surgery at a dose of 0.02-0.03 microgram.kg-1.min-1. Blood samples were obtained after induction of general anesthesia, one and two hours after incision, and immediately after the end of surgery to measure the plasma levels of tumor necrosis factor-alpha (TNF-alpha), interleukin-6 (IL-6) and interleukin-8 (IL-8). Levels of CRP for two days after the surgery were measured and postoperative complications were recorded. Levels of TNF-alpha rose from 1.6 pg.ml-1 (mean) to 4.8 pg.ml-1 two hr after incision in the control group, while the level was suppressed in the PGE1 group (P < 0.05). No significant difference was found in IL-6 levels between the two groups. The IL-8 increased during surgery in both groups but the increase was significantly less in the PGE1 group (P < 0.05). There was no difference in CRP, and no severe postoperative complication was observed. We conclude that PGE1 administration suppresses TNF-alpha and IL-8 responses during pneumonectomy, but its effects on IL-6 and the postoperative status were not significant.
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PMID:[Effects of prostaglandin E1 on plasma cytokine levels during pneumonectomy]. 872 Nov 28

The aim of this study was to characterize the changes in the quantitative expression of beta 2-integrins and L-selectin detected by means of fluorochrome-conjugated monoclonal antibodies and flow cytometry on leukocytes in the systemic circulation after a major musculoskeletal trauma, i.e. hip replacement surgery, and to relate these changes to parameters of the acute-phase response [plasma acute-phase reactants (C-reactive protein, CRP, and interleukin-6, IL-6) and parameters of coagulation activation (thrombin-antithrombin III complexes, TAT)]. Eight patients with either primary or secondary osteoarthritis of the hip received uncemented total hip prostheses. LFA-1 (CD11a/CD18) was upregulated on granulocytes during the operation. MAC-1 (CD11b/CD18) expression on monocytes increased to peak levels 20 h after surgery, whereas the L-selectin (CD62L) expression on monocytes and granulocytes reached peak values at the end of surgery. The changes in expression of LFA-1 on monocytes, MAC-1 on granulocytes and p150,95 (CD11c/CD18) on monocytes and granulocytes during and after the operation did not reach statistical significance. TAT and IL-6 increased during surgery and reached peak values at the end of the operation and 20 h after surgery, respectively. In contrast, CPR concentrations increased after surgery with peak levels 44 h postoperatively. Significant upregulation of LFA-1 on granulocytes and L-selectin on monocytes and granulocytes preceded the increase in IL-6 which again preceded the increase in CRP. However, the up- or downregulation of leukocyte beta 2-integrins and L-selectin during and after surgery was not significantly correlated with the increase in IL-6. The increases in TAT correlated well with the upregulation of L-selectin on monocytes, but not with the beta 2-integrins known to participate in the coagulation process in vitro. The rise in CRP was inversely correlated with the maximal increase in expression of MAC-1 on monocytes. In conclusion, the changes in leukocyte adhesion molecules during and after surgery indicate changes in critical leukocyte functions. The lack of correlation between quantitative up- and downregulation of leukocyte beta 2-integrins and parameters of the acute phase response suggests that these processes are regulated through independent pathways or that functional up- and downregulation of adhesion molecules, shedding, leukocyte-endothelial adhesion and mobilization of new unactivated cells may result in a net estimate of leukocyte activation not suspected to be positively correlated to acute-phase reactants.
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PMID:Expression of beta-2-integrins and L-selectin by leukocytes and changes in acute-phase reactants in total hip replacement surgery. 873 29

The serum levels of cytokines (interleukin-1 beta; IL-1 beta, interleukin-6; IL-6, tumor necrosis factor alpha; TNF alpha), and acute phase proteins (CRP, alpha 1-antitrypsin; alpha 1-AT, alpha 1-acid glycoprotein; alpha 1-AG, fibrinogen; FBG, pancreatic secretory trypsin inhibitor; PSTI), and the plasma concentration of polymorphonuclear cell elastase; PMN-E and white blood cell counts were measured in 18 patients with esophageal cancer who underwent radical esophagectomy through right thoracotomy and reconstruction with gastric tube. Peripheral venous blood samples were obtained before and just after operation, and on the 1st, 2nd, 3rd, 7th and 14th post-operative day. The serum concentrations of IL-6 just after operation were significantly correlated with volume of blood loss during operation and duration of thoracotomy. Plasma PMN-E levels just after operation seemed to be correlated with those factors, but its correlation was not statistically significant. Serum IL-6 levels began to increase markedly just after operation, and reached the maximum by the 1st post-operative day. This elevation preceded that of acute phase proteins, indicating that IL-6 may induce the production of acute phase proteins in vivo. Furthermore, peak serum values of IL-6 after operation were correlated with volume of blood loss and duration of thoracotomy. These results suggest that elevation of IL-6 and PMN-E levels may reflect the degree of surgical stress, and the measurement of IL-6 and PMN-E is useful for the early detection of an inflammatory response.
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PMID:[Responses of cytokines, acute phase proteins, and polymorphonuclear cell elastase to surgical stress in the patients with esophageal cancer]. 875 38

A patient with complaints of high fever and left shoulder pain was found to have a large mass in the left upper lobe on chest roentgenogram. Laboratory evaluation revealed marked thrombocytosis, hypoalbuminemia, and increased serum concentrations of CRP, fibrinogen and interleukin-6 (IL-6). A transcutaneous biopsy specimen revealed large cell carcinoma. Tumor production of IL-6 was confirmed by immunohistochemical staining with an anti-human IL-6 monoclonal antibody (MH60).
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PMID:Lung cancer producing interleukin-6. 878 56

The objective of this study was to analyze the anti-inflammatory effect of minocycline in rheumatoid arthritis. Serum samples of 65 RA patients who completed a 26-week randomized double-blind trial of minocycline (100 mg twice a day) versus placebo were studied. In this trial some clinical parameters and in particular the acute phase response decreased significantly in the minocycline-treated group. Serum levels of albumin and interleukin-6 (IL-6) were compared with CRP levels in order to study the acute phase response. Furthermore, rheumatoid factor (RF) and total immunoglobulin isotypes as well as serum levels of soluble interleukin-2 receptor (sIL2-2R) were determined in order to study immunological parameters of the disease. Immunoglobulins and cytokines were measured by ELISA. Serum levels of albumin remained stable, whereas serum CRP levels decreased both in the minocycline- and in the placebo-treated group. Serum levels of IL-6 decreased in the minocycline-treated group only and this decrease was positively correlated with the decrease in CRP levels. Minocycline significantly decreased serum IgM-RF, IgA-RF, total IgM and total IgA levels. In addition the ratio of IgM-RF/total IgM decreased in the minocycline-treated group. No such changes were observed in the placebo-treated group. The anti-inflammatory effect of minocycline in RA patients may be due to the reduction in the synthesis of IL-6 and rheumatoid factor.
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PMID:Inflammatory and immunological parameters of disease activity in rheumatoid arthritis patients treated with minocycline. 886 42

Hypertension and norepinephrine hypersecretion in a 59-year-old woman suffering from malignant pheochromocytoma with multiple metastases were appropriately controlled with alpha- and beta- blockers, and alpha-methyltyrosine (alpha-MT), a catecholamine-synthesis inhibitor. Metastasized vertebrae were treated with external radiation to relieve pain, but this treatment had to be interrupted at a total dose of 20 Gy because the patient suffered acutely exacerbated hypertension (200/110 mmHg), tachycardia (160 beats/min) and a low-grade fever. Simultaneously her serum levels of LDH, potassium, urea nitrogen, creatinine, white blood cell count, CRP and norepinephrine were significantly increased, suggesting that this episode was due to radiation-induced tissue destruction and the leakage of catecholamines and possibly interleukin-6, a cytokine mediating inflammation which is reportedly present in pheochromocytoma. The marked hypertension was controlled by continuous i.v. administration of phentolamine and propranolol. Although radiation therapy effectively relieves pain due to neoplasmic metastasis to the bone, physicians should be aware that life-threatening complications such as the above occur in malignant pheochromocytoma. Sufficient pretreatment with adrenergic blocking agents and/or alpha-MT and careful monitoring of the patient's general condition during radiation therapy, even at a low dose, are highly recommended.
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PMID:Acutely exacerbated hypertension and increased inflammatory signs due to radiation treatment for metastatic pheochromocytoma. 898 Aug 90

Serum soluble interleukin-6 receptor (sIL-6R) concentrations were measured in 50 patients with plasma cell dyscrasias using a commercially available immunoenzymatic assay kit. There were 40 patients with multiple myeloma (MM), 5 patients with monoclonal gammopathy of undetermined significance (MGUS), 3 patients with solitary plasmacytoma (SPC), 1 patient with chronic myelogenous leukaemia and multiple myeloma (CML/MM), and 1 patient with plasma cell leukaemia (PCL). We found that serum sIL-6R concentrations were higher in MM patients (62.53 +/- 38.85 ng/ml) than in 20 normal volunteers studied (36.75 +/- 13.79 ng/ml) (p < 0.01). The cut-off value of 65 ng/ml seen in 2 of our controls was arbitrarily taken as the upper limit of the control range for serum sIL-6R; according to this criterion, 14 patients with MM (35%), 1 patient with SPC, the unique patient with CML + MM, and the unique patient with PCL had elevated concentrations of the receptor. Patients with MGUS had normal sIL-6R values. In MM patients, serum sIL-6R levels correlated with the clinical phase of the disease: they were elevated in patients with early or late active disease and ranged within normal limits in patients with plateau-phase disease (p < 0.001). Thirteen of 27 patients with active MM had elevated serum sIL-6R values, i.e. 48.1%, but only 1 out of 13 patients with disease in the plateau phase, i.e. 7.7% (p < 0.05). Furthermore, in the entire group of MM patients, serum sIL-6R levels correlated with the concentrations of serum beta 2-microglobulin, (p < 0.02), CRP (p < 0.01), ferritin (p < 0.01) and LDH (p < 0.01), while they did not correlate with disease stage, haemoglobin levels, proportion of marrow myeloma cells, the values of serum IL-6, the levels of serum albumin, or the grade of bone lesions. We conclude that elevated serum sIL-6R levels should be related to the growth of myeloma cells and suggest that serum sIL-6R concentrations may be used as an indicator of disease activity.
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PMID:Serum levels of soluble IL-6 receptor in multiple myeloma as indicator of disease activity. 915 60


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