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Batsford S, Dunn J, Mihatsch M. Induction of Experimental Arthritis by Borrelial Lipoprotein and CpG Motifs: Are Toll-Like Receptors 2, 4, 9 or CD-14 Involved? Open Rheumatol J 2011; 5:18-23. [PMID: 21804904 PMCID: PMC3141342 DOI: 10.2174/1874312901105010018] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2011] [Revised: 05/02/2011] [Accepted: 05/13/2011] [Indexed: 12/22/2022] Open
Abstract
Bacterial lipoproteins and CpG-DNA are ligands for Toll-Like-Receptors (TLR) 2 and 9 respectively. Both classes of molecules were reported to induce experimental arthritis in rodents following direct intra-articular injection. Here we studied: 1) whether arthritis induction by Outer surface (Lipo)protein A (OspA) (B.burgdorferi) involved the TLR-2 as well as the TLR-4 or the CD-14 receptors in addition, and 2) re-examined the arthritogenic potential of CpG-DNA motifs in mice. Following intra-articular injection of the test substances [20µg recombinant, lipidated OspA; 1nM(6µg) to 10nM(60µg) synthetic CpG-DNA], inflammation was monitored by 99Tc scintigraphy (ratio left/right knee joint uptake > 1.1 indicates inflammation) and by histology. Lipoprotein OspA induced severe, acute arthritis in TLR-2+/+ w.t. but not in TLR-2-/- mice (p<0.01). There were no significant differences in the severity of arthritis induced in TLR-4+/+ w.t. and TLR-4-/- mutant mice, or between CD14+/+ w.t. and CD14-/- mice. CpG-DNA (1or 10 nM) did not cause notable inflammation in C57BL/6 mice; 99Tc ratios were < 1.0 and histology showed only minimal changes. Induction of arthritis by the OspA lipoprotein of B.burgdorferi involves the TLR-2 receptor, no evidence for additional participation of TLR-4 or CD14 receptors was found. Intra-articular injection of CpG-DNA did not produce manifest joint injury in mice, at variance with previous reports.
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Affiliation(s)
- Stephen Batsford
- Department of Immunology, Institute of Medical Microbiology and Hygiene, Albert Ludwigs University Freiburg, D-79104 Germany
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Hartog A, Smit HF, van der Kraan PM, Hoijer MA, Garssen J. In vitro and in vivo modulation of cartilage degradation by a standardized Centella asiatica fraction. Exp Biol Med (Maywood) 2009; 234:617-23. [PMID: 19307458 DOI: 10.3181/0810-rm-298] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Osteoarthritis (OA) is a degenerative joint disease in which focal cartilage destruction is one of the primary features. The present study aims to evaluate the effect of a Centella asiatica fraction on in vitro and in vivo cartilage degradation. Bovine cartilage explants and bovine chondrocytes cultured in alginate were stimulated with IL-1 beta in the presence or absence of different concentrations (2, 5 and 10 microg/ml) of a standardized Centella asiatica triterpenes (CAT) fraction. The CAT fraction inhibited the IL-1 beta-induced proteoglycan (PG) release and nitric oxide (NO) production by cartilage explants in a dose-dependent manner. The IL-1 beta-induced reduction in PG synthesis and proliferation of chondrocytes cultured in alginate were counteracted by the CAT fraction at a concentration of 10 microg/ml. In a zymosan-induced acute arthritis model, the CAT fraction inhibited PG depletion without modulating joint swelling and inflammatory cell infiltration. In conclusion, the present study demonstrated for the first time that the tested Centella asiatica fraction was able to inhibit the zymosan-induced cartilage degradation in vivo without affecting the zymosan-induced inflammatory cell infiltration and joint swelling. The in vitro data indicate that the cartilage protective activity might at least partially be induced by the inhibition of NO production. The overall results indicate a possible disease modifying osteoarthritic activity of the Centella asiatica fraction.
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Affiliation(s)
- Anita Hartog
- Danone Research, Centre for Specialised Nutrition, P.O. Box 7005, 6700 CA Wageningen, The Netherlands.
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Hartog A, Leenders I, van der Kraan PM, Garssen J. Anti-inflammatory effects of orally ingested lactoferrin and glycine in different zymosan-induced inflammation models: evidence for synergistic activity. Int Immunopharmacol 2007; 7:1784-92. [PMID: 17996689 DOI: 10.1016/j.intimp.2007.09.019] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2007] [Revised: 09/24/2007] [Accepted: 09/24/2007] [Indexed: 10/22/2022]
Abstract
There is a growing awareness of the interaction of food constituents with the immune system. The present study aims to evaluate the anti-inflammatory effects of two of these nutritional components (glycine and bovine-lactoferrin (b-LF)) using two different mouse models. In a zymosan-induced ear-skin inflammation model both components decreased the inflammatory response locally (ear swelling and inflammatory cytokine concentration in the ears) and systemically (number of TNF-alpha producing spleen cells). Glycine effects (20, 50 or 100 mg/mouse/day) were concentration dependent. B-LF (0.1 or 1 mg/mouse/day) inhibited the inflammatory response although higher doses (5 and 25 mg/mouse/day) were not effective. A combination of b-LF 0.1 mg/mouse/day and glycine 20 or 50 mg/mouse/day counteracted the zymosan-induced ear swelling synergistically and enhanced the decrease in the number of TNF-alpha producing spleen cells of the individual components. In a zymosan-induced acute arthritis model glycine (50 mg/mouse/day) inhibited joint swelling, inflammatory cell infiltration and cartilage proteoglycan depletion. A b-LF dose of 5 mg/mouse/day reduced the zymosan-induced joint swelling without modulating inflammatory cell infiltration and cartilage proteoglycan depletion. The present study indicates that the anti-inflammatory effects of glycine are independent of the used models. B-LF displays a reversed concentration dependency and the activity is model dependent. A combination of glycine and lactoferrin demonstrated a synergistic anti-inflammatory effect on zymosan-induced skin inflammation and an enhanced decrease in the number of TNF-alpha producing spleen cells compared to the effect of the single components. Therefore, this nutritional concept might be a new option for the treatment of chronic inflammatory diseases.
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Ostendorf B, Scherer A, Wirrwar A, Hoppin JW, Lackas C, Schramm NU, Cohnen M, Mödder U, van den Berg WB, Müller HW, Schneider M, Joosten LAB. High-resolution multipinhole single-photon-emission computed tomography in experimental and human arthritis. ACTA ACUST UNITED AC 2006; 54:1096-104. [PMID: 16572444 DOI: 10.1002/art.21732] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
OBJECTIVE To image inflammatory arthritic lesions in experimental arthritis and in patients with arthritis, using a newly developed high-resolution multipinhole single-photon-emission computed tomography (MPH-SPECT) technique. METHODS Six interleukin-1 receptor antagonist-deficient mice with arthritis of the front and back paws and 2 control BALB/c mice were imaged with MPH-SPECT and scored macroscopically for arthritis. SPECT imaging was performed with a conventional gamma camera upgraded with a pyramidal lead collimator affixed with MPH apertures. All images were reconstructed, and uptake in the paws was quantified in counts/weight and injected activity. To transfer the imaging technique to humans we examined the clinically dominant hand of 6 individuals (3 with established rheumatoid arthritis [RA], 1 with early RA, 1 with osteoarthritis, and 1 healthy control). RESULTS MPH-SPECT images were high-resolution 3-dimensional tomographic images, which allowed exact localization and quantifiable observation of increased bone metabolism. MPH-SPECT counts of inflamed joints in mice correlated with macroscopic scoring and histologic joint analysis postmortem. In humans, MPH-SPECT images depicted a detailed visualization of tracer accumulation in bony structures of hand and finger joints, and were also capable of imaging increased bone metabolism that had appeared normal with other imaging modalities, e.g., magnetic resonance imaging. CONCLUSION The MPH-SPECT technique represents a new diagnostic tool in the detection of bone pathology in small-animal arthritis research. Compared with macroscopic scoring, this new method provides a more objective and higher-precision quantifiable measurement of bone reaction, allowing visualization of inflammatory processes of the whole skeleton in vivo. These results suggest that MPH-SPECT may be useful as a diagnostic instrument for monitoring experimental arthritis, with further potential for use in human studies of RA.
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Affiliation(s)
- B Ostendorf
- Heinrich-Heine University Düsseldorf, Dusseldorf, Germany
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Lin YS, Huang MH, Chai CY. Effects of helium-neon laser on the mucopolysaccharide induction in experimental osteoarthritic cartilage. Osteoarthritis Cartilage 2006; 14:377-83. [PMID: 16359876 DOI: 10.1016/j.joca.2005.10.010] [Citation(s) in RCA: 32] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/24/2005] [Accepted: 10/27/2005] [Indexed: 02/02/2023]
Abstract
OBJECTIVE To investigate the effects of mucopolysaccharide induction after treatment by low power laser for experimental osteoarthritis (OA). METHODS Seventy-two rats with three different degrees of papain induced OA over right knee joints were collected for helium-neon (He-Ne) laser treatment. The severity of induced arthritis was measured by 99mTc bone scan and classified into three groups (I-III) by their radioactivity ratios (right to left knee joints). The rats in each group were further divided into study subgroups (Is, IIs, and IIIs) and control subgroups (Ic, IIc, and IIIc) randomly. The arthritic knees in study subgroups received He-Ne laser treatment, and those in controls received sham laser treatment. The changes of arthritic severity after treatment and follow-up 2 months later were measured. The histopathological changes were evaluated through light microscope after disarticulation of sections (H.E. stain), and the changes of mucopolysaccharide density in cartilage matrix were measured by Optimas scanner analyzer after Alcian blue (AB) stain. The densities of mucopolysaccharide induced after treatment in arthritic cartilage were compared and correlated with their histopathological changes. RESULTS The density of mucopolysaccharide rose at the initial stage of induced arthritis, and decreased progressively in later stages. The densities of mucopolysaccharide in treated rats increased upon complete laser treatment more than those of the controls, which is closely related with the improvement in histopathological findings, but conversely with the changes in arthritic severity. CONCLUSION He-Ne laser treatment will enhance the biosynthesis of arthritic cartilage, and results in the improvement of arthritic histopathological changes.
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Affiliation(s)
- Y-S Lin
- Kun Shan University, Tainan, Taiwan, ROC
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Lin YS, Huang MH, Chai CY, Yang RC. Effects of Helium-Neon Laser on Levels of Stress Protein and Arthritic Histopathology in Experimental Osteoarthritis. Am J Phys Med Rehabil 2004; 83:758-65. [PMID: 15385784 DOI: 10.1097/01.phm.0000137310.15943.19] [Citation(s) in RCA: 31] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
OBJECTIVE To investigate the effect of low-power laser therapy on levels of stress proteins (SPs) in experimental arthritis and their relation to the bioeffects on arthritic cartilage repair. DESIGN A total of 42 rats with similar degrees of induced arthritis evaluated by means of bone scan were divided randomly into two groups. In the treated group, 21 rats received helium-neon laser treatment; in the control group, 21 rats received sham laser treatment. The changes in chondrocytes of SPs were measured by electrophoresis of proteins extracted from chondrocytes of arthritic cartilage at various time periods. The histopathologic changes and the presence of SP of arthritic cartilage were identified by hematoxylin and eosin stain and by immunostains of SP72 antibody individually from frozen sections of arthritic cartilage. RESULTS SP density increased markedly in rats after laser treatment and was closely related to the repair of arthritic cartilage. Furthermore, the pathohistology of arthritic cartilage improved significantly with the decline of SP levels in the follow-up period. CONCLUSION Helium-neon (632 nm) low-power laser can enhance SP production in arthritic chondrocytes. The extragenic production of SP is well correlated with the therapeutic effect of low-power laser in preserving chondrocytes and the repair of arthritic cartilage in rats.
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Joosten LAB, Smeets RL, Koenders MI, van den Bersselaar LAM, Helsen MMA, Oppers-Walgreen B, Lubberts E, Iwakura Y, van de Loo FAJ, van den Berg WB. Interleukin-18 promotes joint inflammation and induces interleukin-1-driven cartilage destruction. THE AMERICAN JOURNAL OF PATHOLOGY 2004; 165:959-67. [PMID: 15331419 PMCID: PMC1618596 DOI: 10.1016/s0002-9440(10)63357-3] [Citation(s) in RCA: 61] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
Interleukin (IL)-18 is a member of the IL-1 family of proteins that exerts proinflammatory effects and is a pivotal cytokine for the development of Th1 responses. The goal of the present study was to investigate whether IL-18 induces joint inflammation and joint destruction directly or via induction of other cytokines such as IL-1 and tumor necrosis factor (TNF). To this end we performed both in vitro and in vivo kinetic studies. For in vivo IL-18 exposure studies C57BL/6, TNF-deficient, and IL-1-deficient mice were injected intra-articularly with 1.10(7) pfu mIL-18 adenovirus followed by histopathological examination. Local overexpression of IL-18 resulted in pronounced joint inflammation and cartilage proteoglycan loss in control mice. Of high interest, IL-18 gene transfer in IL-1-deficient mice did not show cartilage damage, although joint inflammation was similar to that in wild-type animals. Overexpression of IL-18 in TNF-deficient mice showed that TNF was partly involved in IL-18-induced joint swelling and influx of inflammatory cells, but cartilage proteoglycan loss occurred independent of TNF. In vitro cartilage degradation by IL-18 was found after a 72-hour culture period. Blocking of IL-1 with IL-1Ra or an ICE-inhibitor resulted in complete protection against IL-18-mediated cartilage degradation. The present study demonstrated that IL-18 induces joint inflammation independently of IL-1. In addition, we showed that IL-1beta generation, because of IL-18 exposure, was essential for marked cartilage degradation both in vitro and in vivo. These findings implicate that IL-18, in contrast to TNF, contributes through separate pathways to joint inflammation and cartilage destruction.
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Affiliation(s)
- Leo A B Joosten
- Rheumatology Research Laboratory and Advanced Therapeutics, University Medical Center Nijmegen, Nijmegen, The Netherlands.
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van Lent P, Nabbe KC, Boross P, Blom AB, Roth J, Holthuysen A, Sloetjes A, Verbeek S, van den Berg W. The inhibitory receptor FcgammaRII reduces joint inflammation and destruction in experimental immune complex-mediated arthritides not only by inhibition of FcgammaRI/III but also by efficient clearance and endocytosis of immune complexes. THE AMERICAN JOURNAL OF PATHOLOGY 2003; 163:1839-48. [PMID: 14578184 DOI: 10.1016/s0002-9440(10)63543-2] [Citation(s) in RCA: 46] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Studies of FcgammaRII-/- mice identified the inhibitory function of this receptor in joint inflammation and cartilage destruction induced with immune complexes (ICs). To extend our insight in the role of FcgammaRII in arthritis, we explored the role of FcgammaRII in the absence of activating receptors I and III using FcgammaRI/III-/- as well as FcgammaRI/II/III-/- mice. When antigen-induced arthritis (AIA) was elicited, which is a mixture of T cell and IC-driven inflammation, arthritis was almost absent at day 7 in FcgammaRI/III-/- mice. Remarkably, in FcgammaRI/II/III-/- mice, this model induced a tremendously increased arthritis as compared to wild-type controls. This implies that FcgammaRII regulates joint inflammation also in the absence of activating FcgammaRI and III. To confirm the IC specificity of this finding, similar studies were done with ICs or zymosan as arthritogenic stimuli. Strongly elevated inflammation was found in FcgammaRI/II/III-/- mice with IC but not with zymosan. Clearance studies identified accumulation of IgG in the knee joint in the absence of FcgammaRII. Moreover, macrophages expressing only FcgammaRII showed prominent endocytosis of preformed soluble ICs not different from controls. In total absence of FcgammaR (FcgammaRI/II/III-/-), macrophages completely failed to endocytose ICs. Although joint inflammation was much higher in AIA arthritic knee joints of FcgammaRI/II/III-/- and the inflammatory cells still expressed an inflammatory phenotype, severe cartilage destruction (MMP-mediated neoepitopes in the matrix and chondrocyte death) was completely prevented in contrast to the marked destruction which was observed in the wild-type. Our study indicates that FcgammaRII reduces joint inflammation in the absence of activating FcgammaR by promoting endocytosis and clearance of ICs from the joint. Infiltrating cells, which fail to express activating FcgammaR although they still become stimulated are no longer capable of inducing severe cartilage destruction.
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Affiliation(s)
- Peter van Lent
- Department of Rheumatology, University Medical Centre St. Radboud, UMC Nijmegen Building 850, Geert grooteplein 26-28, Nijmegen, The Netherlands.
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van Lent PL, Nabbe K, Blom AB, Holthuysen AE, Sloetjes A, van de Putte LB, Verbeek S, van den Berg WB. Role of activatory Fc gamma RI and Fc gamma RIII and inhibitory Fc gamma RII in inflammation and cartilage destruction during experimental antigen-induced arthritis. THE AMERICAN JOURNAL OF PATHOLOGY 2001; 159:2309-20. [PMID: 11733380 PMCID: PMC1850614 DOI: 10.1016/s0002-9440(10)63081-7] [Citation(s) in RCA: 64] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 08/29/2001] [Indexed: 11/25/2022]
Abstract
IgG-containing immune complexes, which are found in most RA joints, communicate with hematopoietic cells using three classes of Fc receptors(Fc gamma RI, -II, -III). In a previous study we found that if a chronic T-cell-mediated antigen-induced arthritis (AIA) was elicited in knee joints of FcR gamma-chain-deficient mice that lack functional Fc gamma RI and Fc gamma RIII, joint inflammation was comparable but severe cartilage destruction was absent. We now examined the individual role of the stimulatory Fc gamma RI and Fc gamma RIII and inhibitory Fc gamma RII in inflammation and functional cartilage damage in knee joints with AIA using Fc gamma RI-, Fc gamma RII-, and Fc gamma RIII-deficient mice. Three weeks after immunization with the antigen-methylated bovine serum albumin (BSA), cellular (T-cell responses as measured by lymphocyte proliferation) immunity raised against mBSA was comparable in all groups examined. Humoral (total IgG, IgG1, IgG2a, and IgG2b levels) immunity against mBSA was comparable in Fc gamma RI-/- and Fc gamma RIII-/- but higher in Fc gamma RII-/- if compared to controls. Joint swelling as measured by (99m)Tc uptake at days 1, 3, and 7 was similar in Fc gamma RI-/- and Fc gamma RIII-/- mice and significantly higher in Fc gamma RII-/-. Chronic inflammation and cartilage damage (depletion of proteoglycans, metalloproteinase (MMP)-induced neoepitopes, and matrix erosion) was studied histologically in total knee joint sections stained with hematoxylin or safranin-O. Histologically, at day 7 after AIA induction, exudate and infiltrate in the knee joint was similar in Fc gamma RI-/- and Fc gamma RIII-/- and significantly higher (230% and 340%) in Fc gamma RII-/- mice if compared to controls. Aggrecan breakdown in cartilage caused by MMPs and, which is related to severe irreversible cartilage erosion, was further studied by immunolocalization of MMP-mediated neoepitopes (VDIPEN) and image analysis. MMP-induced neoepitopes determined in various cartilage layers (tibia and femur) were primarily inhibited in Fc gamma RI-/- (79 to 87% and 87 to 88%, respectively) and comparable in Fc gamma RIII-/-. VDIPEN neoepitopes were much higher (82 to 122% and 200 to 250%, respectively) in Fc gamma RII-/- mice. Initial depletion of proteoglycans was similar (60 to 100%) in all groups. In the chronic phase, cartilage matrix erosion in the lateral and medial tibia was significantly elevated in Fc gamma RII-/- (222% and 186%, respectively) but not in Fc gamma RI-/- or Fc gamma RIII-/- mice. These results suggest that during T-cell-mediated AIA, Fc gamma RI and Fc gamma RIII act in concert in acute and chronic inflammation whereas Fc gamma RI is the dominant FcR involved in severe cartilage destruction. Fc gamma RII is a crucial inhibiting factor in acute and chronic inflammation and cartilage erosion.
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Affiliation(s)
- P L van Lent
- Department of Rheumatology, University Medical Centre, Nijmegen, The Netherlands.
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Dudler J, Renggli-Zulliger N, Busso N, Lotz M, So A. Effect of interleukin 17 on proteoglycan degradation in murine knee joints. Ann Rheum Dis 2000; 59:529-32. [PMID: 10873962 PMCID: PMC1753181 DOI: 10.1136/ard.59.7.529] [Citation(s) in RCA: 69] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Abstract
OBJECTIVE To evaluate the effect of murine interleukin 17 (IL17) on cartilage catabolism and joint inflammation by direct intra-articular injection of the cytokine into murine knee joints. METHODS Knees of normal C57 Bl mice were injected once or repeatedly with recombinant IL17 or IL1beta. Inflammation was estimated by technetium-99m pertechnetate ((99)Tc) uptake and histological scoring of tissue sections. Proteoglycan depletion was evaluated by histological scoring of safranin O stained sections. Effects on proteoglycan synthesis were studied by (35)SO(4) incorporation. RESULTS A single intra-articular injection of IL17 (10 ng/knee) produced effects very similar to those of IL1beta (10 ng/knee). No inflammation was detected at six or 24 hours by (99)Tc uptake. However, safranin O staining showed depletion of proteoglycan at 48 hours. Repeated injections of IL17 induced joint inflammation and cartilage proteoglycan depletion as shown by histological scoring. Unlike IL1beta, proteoglycan depletion induced by IL17 seemed to be the result of increased degradation only, as no suppression of (35)SO(4) incorporation was seen. CONCLUSION These findings confirm, in vivo, the catabolic effects of IL17 on cartilage. IL17 is thus the first T cell cytokine showing a direct catabolic effect on cartilage in addition to stimulatory effects on macrophages and synoviocytes, making it a potentially important cytokine in the pathogenesis of arthritis.
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Affiliation(s)
- J Dudler
- Service de Rhumatologie, Médecine Physique et Rééducation, Centre Hospitalier Universitaire Vaudois, CHUV - 1011 Lausanne, Switzerland.
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Blom AB, van Lent PL, Holthuysen AE, van den Berg WB. Immune complexes, but not streptococcal cell walls or zymosan, cause chronic arthritis in mouse strains susceptible for collagen type II auto-immune arthritis. Cytokine 1999; 11:1046-56. [PMID: 10623430 DOI: 10.1006/cyto.1999.0503] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
In this study we investigated mechanisms involved in the chronic character of experimental collagen type II induced arthritis (CIA). We compared the knee joints of mouse strains which are prone to develop this autoimmune disease (DBA/1,B10RIII) with other nonsusceptible mouse strains (C57Bl/6,BALB/c) in their reaction to different stimuli: immune complexes (IC), zymosan and streptococcal cell walls (SCW). Inflammation was evaluated by(99m)Tc uptake measurements and in haematoxylin- and eosin-stained knee-joint sections. Passively induced immune complex mediated arthritis (ICA) in knee joints of C57Bl/6 and BALB/c mice, showed moderate cell influx at day 3, whereas at day 7 only minor amounts of inflammatory cells were observed. In contrast, in arthritic DBA/1 and, to a lesser extent, in B10.RIII joints, a tremendous cell influx was observed at day 3 and even at day 14 there was still significant synovitis. In contrast, if arthritis was elicited by intra-articular injection of zymosan or SCW in C57Bl/6 and DBA/1, the course of inflammation was similar in both strains and no chronic inflammation developed. In line with severe arthritis, chemotactic factor production was dramatically enhanced in ICA in DBA/1 mice, and a prolonged production of IL-1 was evident. When IL-1 was neutralized before or during the ICA using specific anti-IL-1alpha,beta antibodies, inflammation could be blocked completely. Single or multiple injection of IL-1 in the knee joint of C57Bl/6 or DBA/1 showed comparable inflammation, indicating that the chemotactic response per se is comparable in both strains. No prolonged production of IL-1 was found during zymosan or SCW arthritis. Selective removal of macrophages from the synovial intima prior to ICA induction (using clodronate-containing liposomes) prevented the onset of inflammation in C57Bl/6 and DBA/1 mice. It can be concluded that immune complexes, but not zymosan or SCW, cause a more severe and chronic arthritis in mouse strains which are susceptible for collagen type II autoimmune arthritis. This is due to higher and prolonged expression of IL-1 and chemotactic factors, caused by stimulation with immune complexes. The interaction of IC with lining macrophages probably plays a dominant role in development of chronicity.
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Affiliation(s)
- A B Blom
- Department of Rheumatology, University Hospital, St. Radboud, Geert Grooteplein Zuid 8, Nijmegen, 6500 HB, The Netherlands.
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Sack U, Günther A, Pfeiffer R, Genest M, Kinne J, Biskop M, Kämpfer I, Krenn V, Emmrich F, Lehmann J. Systemic characteristics of chronic arthritis induced by transfer of human rheumatoid synovial membrane into SCID mice (human/murine SCID arthritis). J Autoimmun 1999; 13:335-46. [PMID: 10550221 DOI: 10.1006/jaut.1999.0328] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Erosive human/murine (hu/mu) SCID arthritis, caused by unilateral engrafting of human rheumatoid arthritis synovial membrane (RA-SM) in the knee joints of SCID mice, was monitored for up to 18 weeks by scintigraphic, radiological, morphological and immunohistochemical analyses.(99m)Tc-DPD scintigraphy and histology revealed secondary, oligoarticular spreading of arthritis to contralateral knees and hips, but not to forelimb joints. Also, there were no extraarticular manifestations. At 18 weeks, surviving human cells were found within the pannus, but not directly at the cartilage erosion front, where fibroblast-like cells and macrophages of murine origin predominated. The latter cells also predominated in secondarily affected joints, where no human cells were detectable. Preventive depletion of murine NK-cells by anti-asialo-GMI antibodies, to check the influence of NK cells independently of strain and MHC system, combined with application of autologous human PBMN cells, had virtually no effects on the disease process. The completeness of the SCID defect was not critical, i.e. T cells were completely absent in the organs examined, and the presence of a few B cells in the spleen did not correspond to particular disease features. The SCID defect itself had a clear impact, since, in the chronic phase, SCID.bg and RAG-2(-/-)knockout mice developed less consistent pathological/scintigraphic signs of disease than SCID mice. Thus, unilaterally-induced hu/mu SCID arthritis is an oligoarticular disorder of the hindlimbs. Murine macrophages and fibroblast-like cells appear responsible for tissue destruction in engrafted and non-engrafted arthritic joints.
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Affiliation(s)
- U Sack
- Institute of Clinical Immunology and Transfusion Medicine, University of Leipzig, Leipzig, Germany.
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Huang MH, Yang RC, Ding HJ, Chai CY. Ultrasound effect on level of stress proteins and arthritic histology in experimental arthritis. Arch Phys Med Rehabil 1999; 80:551-6. [PMID: 10326920 DOI: 10.1016/s0003-9993(99)90198-3] [Citation(s) in RCA: 30] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
OBJECTIVE To investigate the effect of ultrasound on the levels of stress protein in experimental arthritis and their relation to the therapeutic effects on arthritic cartilage repair. METHODS Thirty-six rats with similar degree of early arthritis were divided at random into two groups. In group s, 18 rats received sonication; in group c, 18 control rats received sham sonication. The severity of induced arthritis was evaluated from bone scan with technetium-99m. The presence and changes of stress protein were identified from immunostain of SP72 antibody from frozen sections of arthritic cartilage and from electrophoresis of proteins extracted from chondrocytes of arthritic cartilage. The severity index, density of immunostained chondrocytes, and histopathologic changes at various periods were also studied in each group. RESULTS The density of stress protein was increased markedly in treated rats after sonication and it was closely related to the repair of arthritic cartilage. Once the pathohistology of arthritic cartilage improved, stress protein declined significantly in the follow-up period. CONCLUSION Therapeutic ultrasound can enhance stress protein production in arthritic chondrocytes. The extragenic production of stress protein was well correlated with the therapeutic effect of ultrasound to preserve chondrocytes and bring about the repair of arthritic cartilage.
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Affiliation(s)
- M H Huang
- Department of Physical Medicine and Rehabilitation, Kaohsiung Medical College Hospital, Kaohsiung City, Taiwan, ROC
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van Lent PL, van den Bersselaar L, van den Hoek AE, van de Ende M, Dijkstra CD, van Rooijen N, van de Putte LB, van den Berg WB. Reversible depletion of synovial lining cells after intra-articular treatment with liposome-encapsulated dichloromethylene diphosphonate. Rheumatol Int 1993; 13:21-30. [PMID: 8516620 DOI: 10.1007/bf00290330] [Citation(s) in RCA: 45] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
We studied the depletion and repopulation of synovial lining cells in mice. A single intra-articular injection of liposomes encapsulating the drug dichloromethylene diphosphonate (CL2MDP) in the mouse knee joint caused selective elimination of synovial lining cells. Depletion of cells occurred within a few days as evidenced by light microscopic, electronmicroscopic and immunohistochemical studies. Maximal depletion was seen on day 7. Repopulation was observed in the following weeks, starting at the bone side of the joint. Until day 30, full recovery (60% recovery) was not observed in the lining lying adjacent to the dermis. Side effects on cartilage metabolism, such as inhibition of proteoglycan synthesis or degradation of proteoglycans from the matrix was minor but significant, 1 and 2 days after liposome treatment but thereafter full recovery was observed. Selective elimination of lining cells from the joint enabled us to study the in vivo role of these cells in the onset and subsequent pathology of experimental arthritis. An immune-complex-mediated experimental arthritis elicited in lining cell depleted joints that had received CL2MDP-liposomes 7 days earlier prevented inflammation as compared to controls.
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Affiliation(s)
- P L van Lent
- Department of Rheumatology, University Hospital St. Radboud, Nijmegen, The Netherlands
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15
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van de Loo AA, Arntz OJ, van den Berg WB. Flare-up of experimental arthritis in mice with murine recombinant IL-1. Clin Exp Immunol 1992; 87:196-202. [PMID: 1735183 PMCID: PMC1554254 DOI: 10.1111/j.1365-2249.1992.tb02974.x] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022] Open
Abstract
Intra-articular injections of murine recombinant IL-1 (mrIL-1) during the chronic phase of antigen-induced arthritis (AIA) induced a flare-up of the smouldering inflammation. The exacerbation was characterized by acute and transient joint swelling and this coincided with the extravascular accumulation of neutrophils. IL-1 injected into arthritic joints of neutropenic mice demonstrated that joint swelling was independent of the neutrophil influx into the joint. Both phenomena were absent when IL-1 was injected into a naive joint. The IL-1-induced flare-up was not T cell mediated as in the antigen-induced flare-up, and suggestive evidence is presented that IL-1 sensitivity depended on the resident macrophage population. This explained why the hypersensitivity is not restricted to the immunologically mediated arthritis but reflects a more general hypersensitivity of previously injured joints, e.g. zymosan-induced arthritis and IL-1-affected joints. In addition, IL-1 could also potentiate the antigen-specific flare-up of chronic AIA and prolongs the duration of the exacerbation. Our data indicate that joints bearing a chronic infiltrate are at risk from exacerbations in two ways: a T cell mediated rechallenge with antigen, and a non-specific reactivation by systemic and local IL-1 generation.
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Affiliation(s)
- A A van de Loo
- Department of Rheumatology, University Hospital St. Radbound, Nijmegen, The Netherlands
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16
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Roizenblatt J, Buchpiguel CA, Meneguetti JC, Caldeira JA, Camargo EE. Quantification of ocular inflammation with technetium-99m glucoheptonate. EUROPEAN JOURNAL OF NUCLEAR MEDICINE 1991; 18:955-8. [PMID: 1778206 DOI: 10.1007/bf00180415] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
Histological and morphometric evaluation of ocular inflammation is difficult, particularly when there is extensive ocular involvement with abscess formation and necrosis. A quantitative imaging procedure applicable to humans would be important clinically. To establish such a procedure, turpentine-induced ocular inflammation was obtained by subconjunctival injection in the right eye of 55 rabbits. The left eye was used as control and injected with a volume of saline equal to the volume of turpentine in the right eye. Volumes of turpentine or saline were 0.02, 0.04, 0.06, 0.2 and 0.6 ml, and the rabbits were divided into groups 1-5, according to these volumes. Imaging was performed 48 h after turpentine injection and 6 h after intravenous injection of 10 mCi of technetium-99m glucoheptonate (99mTc-GH). An inflammatory reaction index (IRI), defined as the ratio of counts of the right eye divided by counts of the left eye, was used. IRIs were proportional to the degree of inflammation and allowed the distinction of 3 subgroups: one represented by group 4, one by group 5 and one by groups 1, 2 and 3. This method of quantification of ocular inflammatory processes using 99mTc-GH is original, rapid, non-invasive, reproducible and safe, although unable to differentiate inflammatory processes caused by doses of turpentine which are very small and close to each other. It is conceivable that its application to humans will bring new insight into the ocular inflammatory process and response to therapy.
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Affiliation(s)
- J Roizenblatt
- Division of Ophthalmology, São Paulo University School of Medicine, Brazil
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17
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Gondolf KB, Batsford S, Lässle G, Curschellas E, Mertz A. Handling of cationic antigens in the joint and induction of chronic allergic arthritis. In vivo studies in the rat. VIRCHOWS ARCHIV. B, CELL PATHOLOGY INCLUDING MOLECULAR PATHOLOGY 1991; 60:353-63. [PMID: 1683052 DOI: 10.1007/bf02899567] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
The aims of the present study were to define, under in vivo conditions, factors governing antigen binding and persistence in the rat joint and to establish a chronic arthritis model by means of a natural polycation. The influence of size as well as charge on antigen handling was examined using a range of chemically cationized proteins and natural polycations. Arthritis was induced by intraarticular challenge in preimmunized rats. Immunofluorescence studies revealed that not only pI, which must exceed pH 8-9, but also molecular size was a decisive parameter: only antigens of more than 40 kD were able to persist for significant periods in joint structures. All existing models of antigen induced chronic arthritis in rodents utilize chemically cationized proteins. We extended this system to natural polycations by showing that lysozyme (pI 11.3; MW 14 kD) in tetrameric, charge conserved form (MW 56 kD) as a model-antigen was able to induce chronic arthritis in the rat. After intraarticular challenge of preimmunized animals the course of inflammation was assessed both by 99mTechnetium-pertechnetate (99mTc) scintigram and from the histology. In contrast to monomeric lysozyme, which evoked only a transient inflammatory response (less than two weeks), tetrameric lysozyme induced a chronic arthritis, which still persisted at day 90. Our results show that the ability of cationic antigens to trigger chronic arthritis is vitally size dependent. This is also the first report of a natural polycation acting as an arthritogen, thus providing an experimental basis justifying the search for cationic microbial antigens in human post infectious reactive arthritis.
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Affiliation(s)
- K B Gondolf
- Department of Immunology, University of Freiburg, Federal Republic of Germany
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18
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Mertz AK, Batsford SR, Curschellas E, Kist MJ, Gondolf KB. Cationic Yersinia antigen-induced chronic allergic arthritis in rats. A model for reactive arthritis in humans. J Clin Invest 1991; 88:632-42. [PMID: 1864972 PMCID: PMC295402 DOI: 10.1172/jci115348] [Citation(s) in RCA: 29] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022] Open
Abstract
Cationic antigens are known to have considerable arthritogenic potential in experimental systems. During a systematic search for suitable, naturally occurring candidates an intracellular protein was isolated from the ribosomal pellet of Yersinia enterocolitica 0:3, a bacterial strain associated with reactive arthritis in humans. The protein is highly cationic, contains two 19-kD polypeptide chains linked by a disulfide bond, and reveals a strong tendency for spontaneous aggregation. It is suggested to be a nucleic acid binding protein. We tested this antigen for its ability to induce arthritis after intra-articular challenge in preimmunized rats. An acute inflammatory phase followed by transition to chronicity was observed both by technetium-99m scintigraphy and from histology. Massive polymorphonuclear leucocyte infiltration of the synovium was seen early on and fibrosis and thickening of the joint capsule occurred in later stages. Control groups showed no evidence of inflammation. Western blot and ELISA analysis of unselected sera from Yersinia enterocolitica 0:3-infected patients revealed antibodies to the antigen in the majority of cases, whereas healthy individuals rarely reacted. This is the first report of a naturally occurring cationic antigen capable of inducing immunologic tissue injury; it justifies the speculation that cationic antigens from prokaryotic cells could trigger reactive arthritis in humans.
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Affiliation(s)
- A K Mertz
- Department of Immunology, University of Freiburg, Federal Republic of Germany
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19
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van de Loo AA, van den Berg WB. Effects of murine recombinant interleukin 1 on synovial joints in mice: measurement of patellar cartilage metabolism and joint inflammation. Ann Rheum Dis 1990; 49:238-45. [PMID: 2339905 PMCID: PMC1004046 DOI: 10.1136/ard.49.4.238] [Citation(s) in RCA: 116] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Murine recombinant interleukin 1 was injected intra-articularly into mice. It induced a clear effect on patellar cartilage within 24 hours. A low dose of interleukin 1 (1 ng) elicited a significant reduction in [35S]sulphate incorporation (50%) into proteoglycans and an accelerated breakdown (twofold) of 35S prelabelled proteoglycan. Proteoglycan breakdown returned to normal rates (approximately 10%/day) 48 hours after a single interleukin 1 injection. Recovery of proteoglycan synthesis was delayed by up to 72 hours, however, which implies that repair of the depleted cartilage matrix is retarded. Interleukin 1 induced only minor joint inflammation, too slight to be held responsible for the strong suppression of proteoglycan synthesis. Vehement joint inflammation was found after repeated interleukin 1 injections. The plasma extravasation and massive infiltration and exudation of leucocytes, predominantly polymorphonuclear leucocytes, were not a mere summation of single interleukin 1 effects, but point to interleukin 1 induced local hypersensitivity. The cartilage matrices of patella and femur were heavily depleted. Measurement of the extent of loss of 35S prelabelled proteoglycan and the prolonged inhibition of [35S]sulphate incorporation indicate that both inhibition of proteoglycan synthesis and enhanced loss of proteoglycan contributed substantially to this depletion.
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Affiliation(s)
- A A van de Loo
- Department of Rheumatology, University Hospital St Radboud, Nijmegen, The Netherlands
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20
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Franssen MJ, Boerbooms AM, Karthaus RP, Buijs WC, van de Putte LB. Treatment of pigmented villonodular synovitis of the knee with yttrium-90 silicate: prospective evaluations by arthroscopy, histology, and 99mTc pertechnetate uptake measurements. Ann Rheum Dis 1989; 48:1007-13. [PMID: 2559664 PMCID: PMC1003940 DOI: 10.1136/ard.48.12.1007] [Citation(s) in RCA: 57] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
The diffuse form of pigmented villonodular synovitis of eight knee joints of eight patients was treated by intra-articular injection of 185 MBq yttrium-90 silicate (90Y). Six patients had a recurrence of disease after one or two surgical synovectomies. After treatment with 90Y once or twice four knees showed clinical improvement with an accompanying decrease of the inflammatory activity as measured by the technetium-99m pertechnetate (99mTcO4-) uptake ratio and the severity of the diseased synovial tissue. Arthroscopy was performed before and six months after each 90Y treatment. The ratio of 99mTcO4- uptake in the inflamed compared with the normal knee joint correlated well with the macroscopical grading of pigmented villonodular synovitis. In all cases areas of persistent synovitis were found after the 90Y injection and this was confirmed both by histological examination and 99mTcO4- uptake measurements. Biopsy specimens taken from the diseased synovial areas showed histologically mostly less prominent and less numerous villi. The cartilage damage was slightly increased in only two cases. No radiological deterioration was found during follow up (mean 24 months, range 12-41). No complications of the radiosynoviortheses were noted.
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Affiliation(s)
- M J Franssen
- Department of Rheumatology, University Hospital, Nijmegen, The Netherlands
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21
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Verschure PJ, Van Noorden CJ, Dijkstra CD. Macrophages and dendritic cells during the early stages of antigen-induced arthritis in rats: immunohistochemical analysis of cryostat sections of the whole knee joint. Scand J Immunol 1989; 29:371-81. [PMID: 2717881 DOI: 10.1111/j.1365-3083.1989.tb01136.x] [Citation(s) in RCA: 57] [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 appearance of different macrophage subpopulations, Ia-positive antigen-presenting dendritic cells and of T and B lymphocytes was studied in early phases of antigen-induced arthritis in rat knee joints. Cryostat sections of whole knee joints were analysed with immunohistochemical techniques using monoclonal antibodies against rat macrophages, Ia-antigen, and lymphocyte subpopulations. The results showed that in the early phases of the development of arthritis, the synovium was already infiltrated by many monocytes, young macrophages, granulocytes, perivascular Ia-positive non-lymphoid cells, some mature tissue macrophages, and only few T lymphocytes. In later phases not only monocytes, young macrophages and Ia-positive cells became more prominent but also the more mature ED2 positive macrophages and the ED3 positive macrophages that are normally confined to lymphoid organs became increasingly important. The T-cell population increased to some extent in later phases of arthritis induction, possibly induced by clustering with the Ia-positive cells.
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Affiliation(s)
- P J Verschure
- Department of Histology, Vrije Universiteit, Amsterdam, The Netherlands
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22
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Klasen IS, Ladestein RM, van den Berg WB, Benner R. Requirements for flare reactions of joint inflammation induced in mice by cloned MT4+, Lyt-2- T cells. ARTHRITIS AND RHEUMATISM 1989; 32:330-7. [PMID: 2564781 DOI: 10.1002/anr.1780320315] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
Joint inflammation was induced in C57B1/6 mice by injection of cloned MT4+, Lyt-2- T cells specific for the antigen methylated bovine serum albumin (mBSA), together with mBSA. In this model, after waning of the inflammation, flare reactions can be induced by a rechallenge with the specific antigen. Herein we show that such flare reactions can still be induced several weeks after waning of the joint inflammation, as was demonstrated both in normal C57B1/6 mice and in athymic C57B1 nude mice. The results in the latter group indicate that T cells of the recipient mice are not necessary for the elicitation of flare reactions. On histologic examination, the inflammatory infiltrates in the knee joints of the nude mice appeared to be mainly granulocytic. The cloned T cells persisted and remained functionally reactive in the knee joint for at least 2 weeks in the absence of the antigen, and thus, in the absence of inflammation. In view of the similarities between induced joint inflammation in mice and rheumatoid arthritis in humans, these data may be relevant to our understanding of the processes involved in the latter disease.
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MESH Headings
- Animals
- Antigens, Ly/immunology
- Arthritis/immunology
- Arthritis, Experimental/chemically induced
- Arthritis, Experimental/diagnostic imaging
- Arthritis, Experimental/immunology
- Arthritis, Experimental/pathology
- CD4-Positive T-Lymphocytes/immunology
- Cells, Cultured
- Clone Cells
- Female
- Hypersensitivity, Delayed/diagnostic imaging
- Hypersensitivity, Delayed/immunology
- Hypersensitivity, Delayed/pathology
- Mice
- Mice, Inbred C57BL
- Mice, Nude
- Ovalbumin/pharmacology
- Radionuclide Imaging
- Serum Albumin, Bovine/pharmacology
- Technetium
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Affiliation(s)
- I S Klasen
- Department of Cell Biology, Immunology, and Genetics, Erasmus University Rotterdam
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23
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Lens JW, Beertsen W. Injection of an antigen into the gingiva and its effect on an experimentally induced inflammation in the knee joint of the mouse. J Periodontal Res 1988; 23:1-6. [PMID: 2830396 DOI: 10.1111/j.1600-0765.1988.tb01018.x] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
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24
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de Vries BJ, van den Berg WB, Vitters E, van de Putte LB. Effect of nonsteroidal antiinflammatory drugs on cartilage destruction in antigen induced arthritis in mice. Scand J Rheumatol Suppl 1988; 77:23-8. [PMID: 3238372 DOI: 10.3109/03009748809096931] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
The nonsteroidal antiinflammatory drugs, salicylate, piroxicam and tiaprofenic acid, and the steroid prednisolone were investigated in a long-term study for their potential detrimental or beneficial effects on joint cartilage in mice with antigen induced monoarthritis. Daily drug treatment over a period of 4-7.5 weeks did not affect the histological characteristics of normal joints at all. Articular chondrocyte synthetic activity was even stimulated after salicylate and tiaprofenic acid treatment, but the significance of this finding is not yet clear. Cartilage damage, caused by inflammation in the knee joint, was neither markedly deteriorated nor attenuated by these drugs. Minor antiinflammatory properties as measured by decrease in edema using 99mTc-uptake and in the change of inflammatory cells were only evident with prednisolone, piroxicam and salicylate.
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Affiliation(s)
- B J de Vries
- Department of Rheumatology, University Hospital Sint Radboud, Nijmegen, The Netherlands
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25
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Dijkstra CD, Döpp EA, Vogels IM, Van Noorden CJ. Macrophages and dendritic cells in antigen-induced arthritis. An immunohistochemical study using cryostat sections of the whole knee joint of rat. Scand J Immunol 1987; 26:513-23. [PMID: 3479836 DOI: 10.1111/j.1365-3083.1987.tb02285.x] [Citation(s) in RCA: 47] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
Two non-lymphoid cell types play an important role in the pathogenesis of arthritis, i.e. the 'classical' macrophage and the antigen-presenting dendritic cell. In the present study, the roles of both cell types are studied in antigen-induced arthritis of the rat knee joint. Cryostat sections of whole, unfixed, undecalcified knee joints were used for immunohistochemical staining of non-lymphoid cells and lymphocyte subsets. For the demonstration of the different types of non-lymphoid cells, monoclonal antibodies against rat macrophages (ED1, ED2, and ED3) and against Ia antigen were used with an immunoperoxidase method. The results show in an overall view of the arthritic joint the different sites of action of the classical macrophages on the one hand and the Ia-positive dendritic cells on the other. Classical macrophages were mainly found in the superficial layers of the synovium bordering joint space and articular cartilage. Dendritic cells and T cells of the helper phenotype were mainly found in clusters surrounding small blood vessels within the synovium. These clusters express the immunological background of the antigen-induced arthritis and may well be responsible for the continuation of the arthritic process.
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Affiliation(s)
- C D Dijkstra
- Department of Histology, Medical Faculty, Free University, Amsterdam, The Netherlands
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26
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Hunneyball IM, Crossley MJ, Spowage M. Pharmacological studies of antigen-induced arthritis in BALB/c mice. I. Characterization of the arthritis and the effects of steroidal and non-steroidal anti-inflammatory agents. AGENTS AND ACTIONS 1986; 18:384-93. [PMID: 3751751 DOI: 10.1007/bf01965002] [Citation(s) in RCA: 28] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
Chronic monoarticular allergic arthritis was induced in BALB/c mice using methylated BSA as antigen and Freund's complete adjuvant, together with Bordetella pertussis as a secondary adjuvant. The optimum conditions for induction of chronic persistent arthritis and the histological characteristics of the arthritic lesion are described. Both the synovitis and erosive progression of the arthritis could be suppressed by daily treatment with prednisolone (1-10 mg/kg) or dexamethasone (0.5-2.5 mg/kg) for 4 weeks commencing 2 weeks after the induction of arthritis. In contrast, daily treatment with the non-steroidal anti-inflammatory agents ibuprofen (50-100 mg/kg), flurbiprofen (1-9 mg/kg) or indomethacin (0.1-3 mg/kg) had no significant effect on either the synovitis or erosions as judged histologically. Synovial fluid differential leukocyte counts were altered by treatment with ibuprofen and indomethacin but not by flurbiprofen or the corticosteroids. The suppressive effect of the corticosteroids was not due to either suppression of antibody synthesis or alteration of the number of leukocytes in the peripheral circulation.
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27
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Schalkwijk J, van den Berg WB, van de Putte LB, Joosten LA. An experimental model for hydrogen peroxide-induced tissue damage. Effects of a single inflammatory mediator on (peri)articular tissues. ARTHRITIS AND RHEUMATISM 1986; 29:532-8. [PMID: 3707631 DOI: 10.1002/art.1780290411] [Citation(s) in RCA: 76] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
Hydrogen peroxide is receiving increasing attention as a mediator of tissue damage during inflammation. To evaluate its destructive potential in vivo, we devised a model in which hydrogen peroxide is, initially, the sole mediator of tissue damage. Glucose oxidase, which was made cationic to obtain good retention in tissue, was injected intraarticularly in mouse knee joints. This enzyme produces hydrogen peroxide, using endogenous glucose as a substrate. The local production of hydrogen peroxide induced drastic vascular damage, as measured by 99mTc uptake and leakage of 125I-albumin. The chondrocyte proteoglycan synthesis was severely inhibited, as measured by 35SO4 incorporation. Histologic examination showed impressive inflammatory and degenerative changes, including periarticular infiltration, chondrocyte death, subchondral erosions, and muscle necrosis. Intraarticular administration of catalase could inhibit these vascular effects and cartilage damage. Systemic administration of ebselen, a synthetic glutathione peroxidase-like compound, provided partial protection. Indomethacin and piroxicam were not effective in the acute phase. We think this model is useful both for testing drugs that are purported to act as scavengers of hydrogen peroxide and for studying chronic destructive processes.
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28
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Van Noorden CJ, Vogels IM. Enzyme histochemical reactions in unfixed and undecalcified cryostat sections of mouse knee joints with special reference to arthritic lesions. HISTOCHEMISTRY 1986; 86:127-33. [PMID: 3818356 DOI: 10.1007/bf00493377] [Citation(s) in RCA: 46] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
The use of unfixed and undecalcified cryostat sections of mouse knee joints is described for the study of enzyme histochemical reactions. Non-inflamed knee joints and knee joints of mice with antigen induced arthritis have been used. Joints were embedded in gelatin and subsequently cut at low speed with a motor-driven cryostat fitted with a tungsten carbide knife at an obtuse angle (10 degrees). The sections were attached to transparent tape to keep the integrity of the tissue intact. The following histochemical reactions were carried out successfully: the tetrazolium salt reaction for dehydrogenase and reductase activity, the post-azo-coupling method for acid phosphatase and cathepsin B activity and the simultaneous azo-coupling method for esterase activity. In all cases the morphology and integrity of the sections were well kept and serial sections were obtained without any difficulty. Nonspecific staining of the tape did not occur. The localization of the final reaction product was meeting criteria for specific and precise histochemical methods with the exception of the metal salt method because of nonspecific staining of undecalcified bone. Cytophotometry of the final reaction product appeared to be reproducible and valid as demonstrated by reaction for glucose-6-phosphate dehydrogenase activity in synoviocytes from knee joints with induced arthritis. End point measurements as well as kinetic measurements of the formazan production were performed and linear relationships were found between the specific formazan formation and section thickness or incubation time, respectively. It is concluded that cryostat sections attached to transparent tape are an excellent tool for the study of the metabolism in tissues adjacent to bone matrix.(ABSTRACT TRUNCATED AT 250 WORDS)
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29
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30
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van den Berg WB, Schalkwijk J, Joosten LA, van de Putte LB. Experimental allergic arthritis in mice: effects of local enzyme therapy with native and cationic derivatives. AGENTS AND ACTIONS 1986; 17:350-1. [PMID: 3962782 DOI: 10.1007/bf01982642] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
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31
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Schalkwijk J, van den Berg WB, van de Putte LB, Joosten LA, van den Bersselaar L. Cationization of catalase, peroxidase, and superoxide dismutase. Effect of improved intraarticular retention on experimental arthritis in mice. J Clin Invest 1985; 76:198-205. [PMID: 4019779 PMCID: PMC423743 DOI: 10.1172/jci111946] [Citation(s) in RCA: 74] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023] Open
Abstract
Several enzymes and other proteins were made cationic either by coupling to polylysine or by shielding of anionic sites. These cationic proteins, all having an isoelectric point greater than 8.5 exhibited excellent retention in articular structures when injected in mouse knee joints. Autoradiography and histochemistry showed that cationic forms of catalase, superoxide dismutase, and horseradish peroxidase were firmly retained by synovial and cartilaginous tissues. The half-life of these enzymes in the joint is thus significantly extended compared with native enzymes. The native enzymes and their cationic derivatives were tested for antiinflammatory properties in mice, using antigen-induced arthritis and zymosan-induced arthritis. It was found that injection of cationic catalase or peroxidase induced a marked suppression of some parameters of the inflammatory response in both types of arthritis, as measured by 99m technetium pertechnetate uptake and leakage of 125I-labeled albumin. Native catalase and peroxidase were less, or not at all effective. Cationic superoxide dismutase or cationic nonenzyme proteins did not suppress inflammation. The observed suppression of two different types of inflammation (an immune and a nonimmune arthritis) by catalase and peroxidase suggests that elimination of peroxides contributes to the suppression of an inflammatory response. We would hypothesize that cationic enzymes offer the possibility for investigating the mechanisms of inflammation and, in addition, might be interesting from a therapeutical point of view.
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32
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van den Berg WB, van de Putte LB, Zwarts WA, Joosten LA. Electrical charge of the antigen determines intraarticular antigen handling and chronicity of arthritis in mice. J Clin Invest 1984; 74:1850-9. [PMID: 6501574 PMCID: PMC425365 DOI: 10.1172/jci111604] [Citation(s) in RCA: 115] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023] Open
Abstract
We studied the influence of antigenic charge on the handling of intraarticular antigen by the joint and on the ability of the antigen to induce chronic arthritis. Three different antigens were used: anionic native bovine serum albumin (BSA), and charge modified BSA made cationic (pI 8.5) either by methylation (mBSA), or amidation (aBSA). 125I-labeled antigen was injected into the knee joints of nonimmune mice and of mice immunized with antigen in Freund's complete adjuvant. Intraarticular antigen retention of the cationic antigens mBSA and aBSA was significantly increased compared with native BSA, both in immune and non-immune mice. In vitro studies indicated the electrostatic character of the binding of the cationic antigens to joint tissues and confirmed the large difference in antigen retention of the antigens found in vivo. A 100-fold amount of cationic antigen could be bound to non-cartilaginous collagenous tissue of the joint compared with antibody-mediated trapping of native BSA, and for hyaline articular cartilage, this difference was even greater. In immunized mice, chronic arthritis only developed after intraarticular injection of the cationic antigens. This phenomenon was apparently related to increased retention of mBSA and aBSA compared with BSA, since delayed hypersensitivity and humoral immunity were comparable for the three antigens used. Our data indicate that antigenic charge is an important determinant of antigen handling by the joint and, in addition, support the concept that the development of chronic arthritis depends on the amount of antigen retained in the joint.
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