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Said SA, Amr AEGE, Sayed HAE, Omar MAA, Abdalla MM. Synthesized of Some Heterocyclic Systems and their Nucleoside of Potent Anti-inflammatory Activities. INT J PHARMACOL 2015. [DOI: 10.3923/ijp.2015.502.507] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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Shejawal N, Menon S, Shailajan S. A simple, sensitive and accurate method for rat paw volume measurement and its expediency in preclinical animal studies. Hum Exp Toxicol 2013; 33:123-9. [PMID: 23584356 DOI: 10.1177/0960327113482594] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Several methods are used to evaluate the inflammatory changes. Measurement of edema is the most commonly used method for evaluating artificially induced inflammation in rat model. In this context, we present a method for the measurement of volume of rat paw, in which two glass columns containing fluid are connected by a glass tube. Paw is immersed in one column and the other column is placed on weighing balance. Upon immersion of paw, equal volume of fluid displaced applies a force F, which shows specific and proportional increment in the level of fluid in both the columns, which could then be detected by weighing balance, as 'Force = Weight' of displaced fluid, using the specific gravity of the fluid and the volume of paw, and thus the change in the volume of paw can be calculated. The rat paw immersed in column without touching the wall of the column facilitates the accurate measurement of volume of paw when measured several times. Present method is validated for its accuracy and reproducibility when internal radii of both the columns were same or different. Presented method is also cost-effective and hence can be used for the academic and the commercial animal research purpose, without compromising the precision of the evaluation.
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Affiliation(s)
- N Shejawal
- 1Ramnarain Ruia College, Matunga, Mumbai, India
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Khalifa NM, Ramla MM, Amr AEGE, Abdulla MM. Synthesis and Anti-Inflammatory Activities of Some Novel S-Pyridyl Glycosides Derivatives. PHOSPHORUS SULFUR 2008. [DOI: 10.1080/10426500802059885] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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Amr AGE, Abdulla MM. Anti-inflammatory profile of some synthesized heterocyclic pyridone and pyridine derivatives fused with steroidal structure. Bioorg Med Chem 2006; 14:4341-52. [PMID: 16545570 DOI: 10.1016/j.bmc.2006.02.045] [Citation(s) in RCA: 97] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2006] [Revised: 02/27/2006] [Accepted: 02/27/2006] [Indexed: 10/24/2022]
Abstract
We herein report the anti-inflammatory activity of some newly synthesized heterocyclic pyridone and pyridine derivatives fused with steroidal structure. Initially the acute toxicity of the compounds was assayed via the determination of their LD(50). All compounds, except 3b, 22, and 23, were interestingly less toxic than the reference drug (Prednisolone). Regarding the protection against Carrageenan-induced edema, eight compounds were found to be more potent than Prednisolone. On the other hand, in searching for COX-2 inhibitor, the inhibition of plasma PGE2 for the compounds was determined and four compounds were found to be more potent than the reference drug. The structure assignment of the new compounds was based on chemical and spectroscopic evidence.
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Affiliation(s)
- Abdel-Galil E Amr
- Applied Organic Chemistry Department, National Research Center, Cairo, Dokki, Egypt.
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Yamaura K, Yonekawa T, Nakamura T, Yano S, Ueno K. The histamine H2-receptor antagonist, cimetidine, inhibits the articular osteopenia in rats with adjuvant-induced arthritis by suppressing the osteoclast differentiation induced by histamine. J Pharmacol Sci 2003; 92:43-9. [PMID: 12832854 DOI: 10.1254/jphs.92.43] [Citation(s) in RCA: 35] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022] Open
Abstract
The effects of cimetidine on rat adjuvant arthritis (AA) and rat osteoclast differentiation were studied. For the in vivo experiments, AA was induced by injections of Mycobacterium tuberculosis H37RA either subcutaneously into the base of the tail or into the right hind paw. The osteoclast differentiation was assessed by estimating the number of tartrate-resistant acid phosphatase-positive multinuclear cells in the bone marrow culture. Cimetidine, at the dose of 25 mg/kg body weight, reduced the paw swelling by 70% (P<0.01). Cimetidine, at 10 microM concentration, inhibited 1,25-dihydroxyvitamin D(3) (1,25[OH](2)D(3)) and histamine mediated osteoclast differentiations by 40% (P<0.01) and 60% (P<0.001), respectively. Dimaprit, at 0.3 microM, stimulated the cell differentiation by 100% (P<0.01). Mepyramine reduced osteoclast differentiation, but the reduction was not statistically significant. Measurements of bone mineral density of the femur indicated that 5 mg/kg of cimetidine treated animals had 30% (P<0.01) higher mineral density in comparison with that of the AA control group that received no cimetidine. These results suggest that histamine is a potent inducer of osteoclast differentiation, at least in part, through the histamine H(2)-receptor, and cimetidine has a preventive effect on articular destruction and accompanying inflammation in arthritic rats. These observations may provide critical insights into the pathogenesis of the bone pathology seen in patients with RA.
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Affiliation(s)
- Katsunori Yamaura
- Department of Geriatric Pharmacology & Therapeutics, Graduate School of Pharmaceutical Sciences, Chiba University, Japan
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Ames RS, Lee D, Foley JJ, Jurewicz AJ, Tornetta MA, Bautsch W, Settmacher B, Klos A, Erhard KF, Cousins RD, Sulpizio AC, Hieble JP, McCafferty G, Ward KW, Adams JL, Bondinell WE, Underwood DC, Osborn RR, Badger AM, Sarau HM. Identification of a selective nonpeptide antagonist of the anaphylatoxin C3a receptor that demonstrates antiinflammatory activity in animal models. JOURNAL OF IMMUNOLOGY (BALTIMORE, MD. : 1950) 2001; 166:6341-8. [PMID: 11342658 DOI: 10.4049/jimmunol.166.10.6341] [Citation(s) in RCA: 148] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
The anaphylatoxin C3a is a potent chemotactic peptide and inflammatory mediator released during complement activation which binds to and activates a G-protein-coupled receptor. Molecular cloning of the C3aR has facilitated studies to identify nonpeptide antagonists of the C3aR. A chemical lead that selectively inhibited the C3aR in a high throughput screen was identified and chemically optimized. The resulting antagonist, N(2)-[(2,2-diphenylethoxy)acetyl]-L-arginine (SB 290157), functioned as a competitive antagonist of (125)I-C3a radioligand binding to rat basophilic leukemia (RBL)-2H3 cells expressing the human C3aR (RBL-C3aR), with an IC(50) of 200 nM. SB 290157 was a functional antagonist, blocking C3a-induced C3aR internalization in a concentration-dependent manner and C3a-induced Ca(2+) mobilization in RBL-C3aR cells and human neutrophils with IC(50)s of 27.7 and 28 nM, respectively. SB 290157 was selective for the C3aR in that it did not antagonize the C5aR or six other chemotactic G protein-coupled receptors. Functional antagonism was not solely limited to the human C3aR; SB 290157 also inhibited C3a-induced Ca(2+) mobilization of RBL-2H3 cells expressing the mouse and guinea pig C3aRS: It potently inhibited C3a-mediated ATP release from guinea pig platelets and inhibited C3a-induced potentiation of the contractile response to field stimulation of perfused rat caudal artery. Furthermore, in animal models, SB 290157, inhibited neutrophil recruitment in a guinea pig LPS-induced airway neutrophilia model and decreased paw edema in a rat adjuvant-induced arthritis model. This selective antagonist may be useful to define the physiological and pathophysiological roles of the C3aR.
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MESH Headings
- Animals
- Anti-Inflammatory Agents, Non-Steroidal/metabolism
- Anti-Inflammatory Agents, Non-Steroidal/pharmacokinetics
- Anti-Inflammatory Agents, Non-Steroidal/pharmacology
- Arginine/analogs & derivatives
- Arginine/metabolism
- Arginine/pharmacokinetics
- Arginine/pharmacology
- Arthritis, Experimental/immunology
- Arthritis, Experimental/pathology
- Benzhydryl Compounds/metabolism
- Benzhydryl Compounds/pharmacokinetics
- Benzhydryl Compounds/pharmacology
- Binding, Competitive
- Cell Line
- Complement C3a/metabolism
- Complement Inactivator Proteins/metabolism
- Complement Inactivator Proteins/pharmacokinetics
- Complement Inactivator Proteins/pharmacology
- Disease Models, Animal
- Edema/pathology
- Edema/prevention & control
- Guinea Pigs
- Hindlimb
- Humans
- Injections, Intraperitoneal
- Leukocytosis/immunology
- Leukocytosis/pathology
- Male
- Membrane Proteins
- Mice
- Muscle Contraction/drug effects
- Neutrophil Infiltration/drug effects
- Rats
- Rats, Inbred Lew
- Rats, Sprague-Dawley
- Receptors, Complement/antagonists & inhibitors
- Receptors, Complement/metabolism
- Tumor Cells, Cultured
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Affiliation(s)
- R S Ames
- Department of Molecular Biology, SmithKline Beecham Pharmaceuticals, King of Prussia, PA 19406-0939, USA.
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Badger AM, Blake S, Kapadia R, Sarkar S, Levin J, Swift BA, Hoffman SJ, Stroup GB, Miller WH, Gowen M, Lark MW. Disease-modifying activity of SB 273005, an orally active, nonpeptide alphavbeta3 (vitronectin receptor) antagonist, in rat adjuvant-induced arthritis. ARTHRITIS AND RHEUMATISM 2001; 44:128-37. [PMID: 11212150 DOI: 10.1002/1529-0131(200101)44:1<128::aid-anr17>3.0.co;2-m] [Citation(s) in RCA: 59] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
OBJECTIVE To evaluate the effects of SB 273005, a potent, orally active nonpeptide antagonist of the integrin avbeta3 vitronectin receptor, on joint integrity in rats with adjuvant-induced arthritis (AIA). METHODS Male Lewis rats with AIA were orally dosed either prophylactically (days 0-20) or therapeutically (days 10-20) with SB 273005. Efficacy was determined by measurement of paw inflammation, assessment of bone mineral density using dual-energy x-ray absorptiometry (DEXA), magnetic resonance imaging (MRI), and histologic evaluation. RESULTS SB 273005 is a potent antagonist of the closely related integrins, avbeta3 (Ki = 1.2 nM) and alphavbeta5 (Ki = 0.3 nM). When SB 273005 was administered prophylactically to AIA rats twice per day, it inhibited paw edema at doses of 10, 30, and 60 mg/kg, by 40%, 50%, and 52%, respectively. Therapeutic administration twice daily was also effective, and a reduction in paw edema was observed at 30 mg/kg and 60 mg/kg of the antagonist (by 36% and 48%, respectively). SB 273005 was also effective when administered once per day, both prophylactically and therapeutically. Significant improvement in joint integrity in treated rats was shown using DEXA and MRI analyses. These findings were confirmed histologically, and significant protection of bone, cartilage, and soft tissue was observed within the joint. CONCLUSION Symptoms of AIA in rats were significantly reduced by either prophylactic or therapeutic treatment with the alphavbeta3 antagonist, SB 273005. Measurements of paw inflammation and of bone, cartilage, and soft tissue structure indicated that this compound exerts a protective effect on joint integrity and thus appears to have disease-modifying properties.
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Affiliation(s)
- A M Badger
- SmithKline Beecham Pharmaceuticals, King of Prussia, Pennsylvania 19406, USA
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Badger AM, Griswold DE, Kapadia R, Blake S, Swift BA, Hoffman SJ, Stroup GB, Webb E, Rieman DJ, Gowen M, Boehm JC, Adams JL, Lee JC. Disease-modifying activity of SB 242235, a selective inhibitor of p38 mitogen-activated protein kinase, in rat adjuvant-induced arthritis. ARTHRITIS AND RHEUMATISM 2000; 43:175-83. [PMID: 10643714 DOI: 10.1002/1529-0131(200001)43:1<175::aid-anr22>3.0.co;2-s] [Citation(s) in RCA: 184] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
OBJECTIVE To evaluate the effects of SB 242235, a potent and selective inhibitor of p38 mitogen-activated protein (MAP) kinase, on joint integrity in rats with adjuvant-induced arthritis (AIA). METHODS Male Lewis rats with AIA were orally treated either prophylactically (days 0-20) or therapeutically (days 10-20) with SB 242235. Efficacy was determined by measurements of paw inflammation, dual-energy x-ray absorptiometry for bone-mineral density (BMD), magnetic resonance imaging (MRI), microcomputed tomography (CT), and histologic evaluation. Serum tumor necrosis factor alpha (TNFalpha) in normal (non-AIA) rats and serum interleukin-6 (IL-6) levels in rats with AIA were measured as markers of the antiinflammatory effects of the compound. RESULTS SB 242235 inhibited lipopolysaccharide-stimulated serum levels of TNFalpha in normal rats, with a median effective dose of 3.99 mg/kg. When SB 242235 was administered to AIA rats prophylactically on days 0-20, it inhibited paw edema at 30 mg/kg and 10 mg/kg per day by 56% and 33%, respectively. Therapeutic administration on days 10-20 was also effective, and inhibition of paw edema was observed at 60, 30, and 10 mg/kg (73%, 51%, and 19%, respectively). Significant improvement in joint integrity was demonstrated by showing normalization of BMD and also by MRI and micro-CT analysis. Protection of bone, cartilage, and soft tissues was also shown histologically. Serum IL-6 levels were decreased in AIA rats treated with the 60 mg/kg dose of compound. CONCLUSION Symptoms of AIA in rats were significantly reduced by both prophylactic and therapeutic treatment with the p38 MAP kinase inhibitor, SB 242235. Results from measurements of paw inflammation, assessment of BMD, MRI, and micro-CT indicate that this compound exerts a protective effect on joint integrity, and thus appears to have disease-modifying properties.
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Affiliation(s)
- A M Badger
- SmithKline Beecham Pharmaceuticals, King of Prussia, Pennsylvania 19406, USA
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Badger AM, Swift BA, Webb EF, Clark RK, Bugelski PJ, Griswold DE. Beneficial effects of SK&F 105685 in rat adjuvant arthritis: prophylactic and therapeutic effects on disease parameter progression. INTERNATIONAL JOURNAL OF IMMUNOPHARMACOLOGY 1993; 15:343-52. [PMID: 8505147 DOI: 10.1016/0192-0561(93)90045-z] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
Prophylactic administration of SK&F 105685 (N, N-dimethyl-8,8,-dipropyl-2-azaspiro[4.5]decane-2-propanamine dihydrochloride) at 30 mg/kg/day inhibited hindpaw lesions in adjuvant arthritic (AA) rats following 16 (84% inhibition) and 24 (70% inhibition) days of treatment. In a therapeutic protocol, where dosing was initiated on day 10 after disease induction, SK&F 105685 (20 mg/kg/day) effectively halted disease progression, and the inflammatory lesion was suppressed by 70% following treatment for 20 days. Histological evaluation of the joint periarticular soft tissue, bone and articulation (joint space and joint surface) from therapeutically treated rats showed a clear beneficial effect. Most rats presented moderate lesions rather than the severe lesions seen in the AA animals. AA control rats and AA rats treated prophylactically or therapeutically with SK&F 105685 had significant and similar increases in their total white blood cell (WBC), neutrophil, monocyte and platelet counts. Although increases were seen in the absolute number of neutrophils and platelets, there were no differences in the levels of leukotriene B4 (LTB4) and hydroxyheptadecatrienoic acid (HHT), per cell when these cells were stimulated with the calcium ionophore A23187. These results, describing the beneficial effects of SK&F 105685 administered therapeutically to the AA rat, indicate that this compound possesses properties desirable of an anti-arthritic agent and may potentially modify the disease outcome.
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Affiliation(s)
- A M Badger
- SmithKline Beecham Pharmaceuticals, Departments of Cellular Biochemistry, Pharmacology and Toxicology, King of Prussia, PA 19406-0939
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Girard GR, Hill DT, J. Dimartino M. Evaluation of some tetraalkylammonium gold(I) and gold(III) aurate salts for oral antiinflammatory and antiarthritic activity. Inorganica Chim Acta 1989. [DOI: 10.1016/s0020-1693(00)80799-9] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Badger AM, Dimartino MJ, Talmadge JE, Picker DH, Schwartz DA, Dorman JW, Mirabelli CK, Hanna N. Inhibition of animal models of autoimmune disease and the induction of non-specific suppressor cells by SK&F 105685 and related azaspiranes. INTERNATIONAL JOURNAL OF IMMUNOPHARMACOLOGY 1989; 11:839-46. [PMID: 2532178 DOI: 10.1016/0192-0561(89)90138-0] [Citation(s) in RCA: 20] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
SK&F 105685 (N,N-dimethyl-8,8-dipropyl-2-azaspiro[4.5]decane-2-propanamine+ ++ dihydrochloride), administered orally to adjuvant arthritic (AA) rats inhibited immune-mediated hindpaw inflammation with an ED50 of 20 mg/kg/day. Both prophylactic and therapeutic administration were effective in this model. In addition, SK&F 105685 inhibited skin wheal responses to purified protein derivative (PPD) of tuberculin in AA rats and the development of hindleg paralysis associated with experimental allergic encephalomyelitis (EAE). Spleens of normal rats treated with SK&F 105685 were found to contain a population(s) of suppressor cells (SC) which inhibited the response of normal cells to Concanavalin A (Con A) in co-culture assays. The association between SC induction and anti-arthritic activity was determined by evaluating a series of chemically related azaspiranes in the AA rat model and for SC induction in normal rats. A statistically significant correlation was demonstrated (r = 0.79, P less than 0.001), indicating that SC induction may be responsible for the therapeutic activity of these compounds.
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Affiliation(s)
- A M Badger
- Department of Immunology, Smith Kline and French Laboratories, King of Prussia, PA 19406-0939
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Badger AM, DiMartino MJ, Swift BA, Mirabelli CK. Immunomodulatory activity and non-specific suppressor cell generation by spirogermanium in murine and rat models of cell-mediated immunity. IMMUNOPHARMACOLOGY 1988; 16:33-43. [PMID: 2971635 DOI: 10.1016/0162-3109(88)90048-3] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
Spirogermanium (SG) is a metal-containing compound reported to have antitumor, antiarthritic, antimalarial and immunoregulatory activity. In this study we have demonstrated that treatment of mice and rats with spirogermanium results in an inhibition of autoimmune disease and cell-mediated immune (CMI) responses. Prophylactic administration of SG inhibited the development of adjuvant-induced arthritis and the DTH response to purified protein derivative (PPD) in Lewis strain rats. SG treatment was also able to alleviate the symptoms of experimental autoimmune encephalomyelitis (EAE) induced in Lewis rats. In two strains of mice, BDF1 and C57B1/6, the DTH response to sheep red blood cells could be suppressed by intraperitoneal (i.p.) administration of SG. The spleens of both mice and rats that have been treated with this drug contain suppressor cells which inhibit the response of normal cells to concanavalin A (Con A) and the mixed lymphocyte reaction. In addition, the generation of cytotoxic T cells (CTL) in the murine MLR is abrogated in the presence of these suppressor cells. The suppressor cells were radiation-resistant (2000 rad), indomethacin-insensitive and were not depleted by treatment with anti-Thy-1.2 antiserum plus complement. These results suggest that SG modulates cell-mediated immune responses in vivo by the induction of non-specific suppressor cells.
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Affiliation(s)
- A M Badger
- Department of Immunology, Smith Kline and French Laboratories, Philadelphia, PA 19101
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Griswold DE, Marshall PJ, Webb EF, Godfrey R, Newton J, DiMartino MJ, Sarau HM, Gleason JG, Poste G, Hanna N. SK&F 86002: a structurally novel anti-inflammatory agent that inhibits lipoxygenase- and cyclooxygenase-mediated metabolism of arachidonic acid. Biochem Pharmacol 1987; 36:3463-70. [PMID: 2823821 DOI: 10.1016/0006-2952(87)90327-3] [Citation(s) in RCA: 61] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
The effects of SK&F 86002 [5-(4-pyridyl)-6 (4-fluorophenyl)-2,3-dihydroimidazo (2,1-b) thiazole] on the generation of eicosanoids in vitro and on inflammatory responses in vivo are described and compared to other non-steroidal anti-inflammatory drugs. SK&F 86002 inhibited prostaglandin H2 (PGH2) synthase activity (IC50 120 microM) as well as prostanoid production by rat basophilic leukemia (RBL-1) cells (IC50 70 microM) and its sonicate (IC50 100 microM) and human monocytes (IC50 1 microM). In addition, SK&F 86002 inhibited the generation of dihydroxyeicosatetraenoic acid (diHETE) and 5-hydroxyeicosatetraenoic acid (5-HETE) by a high speed supernatant fraction of RBL-1 cells (IC50 10 microM). Cellular production of 5-lipoxygenase products was inhibited by SK&F 86002 as measured by leukotriene B4 (LTB4) generation from human neutrophils (IC50 20 microM), leukotriene C4 (LTC4) generation by human monocytes (IC50 20 microM), and 5-HETE production by RBL-1 cells (IC50 40 microM). The in vivo profile of anti-inflammatory activity of SK&F 86002 supports the dual inhibition of arachidonate metabolism as indicated by its activity in inflammation models that are insensitive to selective cyclooxygenase inhibitors. The responses of arachidonic-acid-induced edema in the mouse ear and rat paw, as well as the cell infiltration induced by carrageenan in the mouse peritoneum and by arachidonic acid in the rat air pouch, were inhibited by SK&F 86002 and phenidone but not by the selective cyclooxygenase inhibitors naproxen and indomethacin.
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Affiliation(s)
- D E Griswold
- Smith Kline & French Laboratories, Philadelphia, PA 19101
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