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Zhou Y, Jian N, Jiang C, Wang J. m 6A modification in non-coding RNAs: Mechanisms and potential therapeutic implications in fibrosis. Biomed Pharmacother 2024; 179:117331. [PMID: 39191030 DOI: 10.1016/j.biopha.2024.117331] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2024] [Revised: 08/07/2024] [Accepted: 08/21/2024] [Indexed: 08/29/2024] Open
Abstract
N6-methyladenosine (m6A) is one of the most prevalent and reversible forms of RNA methylation, with increasing evidence indicating its critical role in numerous physiological and pathological processes. m6A catalyzes messenger RNA(mRNA) as well as regulatory non-coding RNAs (ncRNAs), such as microRNAs, long non-coding RNAs, and circular RNAs. This modification modulates ncRNA fate and cell functions in various bioprocesses, including ncRNA splicing, maturity, export, and stability. Key m6A regulators, including writers, erasers, and readers, have been reported to modify the ncRNAs involved in fibrogenesis. NcRNAs affect fibrosis progression by targeting m6A regulators. The interactions between m6A and ncRNAs can influence multiple cellular life activities. In this review, we discuss the impact of the interaction between m6A modifications and ncRNAs on the pathological mechanisms of fibrosis, revealing the possibility of these interactions as diagnostic markers and therapeutic targets in fibrosis.
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Affiliation(s)
- Yutong Zhou
- Department of Immunology, Xiangya School of Medicine, Central South University, Changsha 410078, China
| | - Ni Jian
- Department of Immunology, Xiangya School of Medicine, Central South University, Changsha 410078, China
| | - Canhua Jiang
- Department of Oral and Maxillofacial Surgery, Xiangya Hospital, Central South University, Changsha 410078, China
| | - Jie Wang
- Department of Immunology, Xiangya School of Medicine, Central South University, Changsha 410078, China.
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Jensen MK, Holten-Andersen MN, Riisbro R, de Nully Brown P, Larsen MB, Kjeldsen L, Heickendorff L, Brünner N, Hasselbalch HC. Elevated plasma levels of TIMP-1 correlate with plasma suPAR/uPA in patients with chronic myeloproliferative disorders. Eur J Haematol 2003; 71:377-84. [PMID: 14667201 DOI: 10.1034/j.1600-0609.2003.00096.x] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
Chronic myeloproliferative disorders (MPD) are characterized by progressive remodelling of bone marrow stroma as evidenced by increased deposition of extracellular matrix proteins, neoangiogenesis and displacement of normal haematopoietic cells by fibrotic tissue. The family of metalloproteinases (MMPs) and tissue inhibitors of metalloproteinase (TIMPs) serve to facilitate and inhibit matrix degradation processes, respectively. In an attempt to investigate potential markers for bone marrow remodelling processes, we investigated plasma levels of total-, free- and complexed TIMP-1, TIMP-2, MMP-2 and MMP-9 in a patient cohort comprising 17 with myelofibrosis (MF), 17 with polycythaemia vera (PV), 15 with essential thrombocythaemia (ET), 1 with a transitional MPD and 30 controls. Compared with controls, total- (P < 0.0001) (median: 132.6 microg/L vs. 80.8 microg/L), free- (P < 0.0001) (median: 126.4 microg/L vs. 65.8 microg/L) and complexed TIMP-1 (P = 0.0009) (median: 17.7 microg/L vs. 10.7 microg/L) concentration was significantly higher in the patients. TIMP-1 was significantly correlated with plasma soluble urokinase plasminogen activator receptor (P = 0.003) and urokinase plasminogen activator (P < 0.0001), respectively, suggesting a common cellular origin. No statistical significant difference between TIMP-2 and MMP-2 levels was observed between patients and controls. Furthermore, a significant correlation between free TIMP-1 and TIMP-2 levels was detected (r = 0.56; P < 0.0001). Median MMP-9 concentration was significantly higher among PV patients compared with controls (P = 0.0015), and 41% of patients with PV (7/17) had MMP-9 values that were above the mean + 2SD of plasma MMP-9 levels found in controls. The ratio of total TIMP-1/MMP-9 was significantly higher in patients with MF compared with controls (P = 0.0004). These findings suggest that a disturbed TIMP-1/MMP ratio may reflect an imbalance of the extracellular homeostasis towards an increased matrix deposition promoting fibrosis.
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Affiliation(s)
- Morten Krogh Jensen
- Department of Haematology L, Rigshospitalet, University Hospital of Copenhagen, Copenhagen, Denmark.
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Jensen MK, Riisbro R, Holten-Andersen MN, Brown PDN, Junker P, Brünner N, Hasselbalch HC. Collagen metabolism and enzymes of the urokinase plasminogen activator system in chronic myeloproliferative disorders: correlation between plasma-soluble urokinase plasminogen activator receptor and serum markers for collagen metabolism. Eur J Haematol 2003; 71:276-82. [PMID: 12950237 DOI: 10.1034/j.1600-0609.2003.00134.x] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
Extracellular proteolytic enzymes of the urokinase-type plasminogen activator (uPA) system and the family of metalloproteinases (MMPs) catalyse the matrix degradation and remodelling processes characteristic of invasive malignant disorders. In a cohort of 50 patients with chronic myeloproliferative disorders (MPD) serum markers for collagen metabolism were compared to plasma levels of enzymes of the uPA and MMP system. Serum aminoterminal propeptide of type III procollagen (S-PIIINP) (P < 0.0001) concentration was significantly higher in the patients (median 3.7 micro g/L vs. 2.5 micro g/L) compared with controls. In a subgroup analysis comprising patients with myelofibrosis (MF), polycythaemia vera (PV) and essential thrombocythaemia (ET), respectively, S-PIIINP levels differed significantly with the highest values found in patients with MF (MF vs. PV vs. ET; P = 0.0027). Serum concentration of carboxyterminal telopeptide of type I collagen (S-ICTP) (P = 0.0006), reflecting type I collagen degradation, was significantly higher in patients compared with controls (median 4.0 micro g/L vs. 2.7 micro g/L). When comparing S-ICTP measurements between patient subgroups and controls there were only significantly higher values among MF and PV patients (MF vs. controls; P < 0.0001, PV vs. controls; P = 0.0016). A significant correlation between the marker for collagen synthesis (S-PIIINP) and degradation (S-ICTP) (r = 0.59; P < 0.0001) was demonstrated. A correlation analysis between serum markers for bone marrow remodelling processes (S-PIIINP, S-ICTP and S-hyaluronan) and plasma-soluble urokinase plasminogen receptor (suPAR) disclosed a significant relationship between suPAR and S-PIIINP (r = 0.48; P = 0.0009), S-hyaluronan (r = 0.56; P < 0.0001) and S-ICTP (r = 0.47; P = 0.0013), respectively. Plasma levels of MMP-2 and -9 were not correlated to serum markers for collagen metabolism. These findings suggest that enzymes of the uPA system might participate in the bone marrow remodelling processes characteristic of MPD.
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Affiliation(s)
- Morten Krogh Jensen
- Department of Haematology L, Rigshospitalet, University Hospital of Copenhagen, Copenhagen, Denmark.
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Lightfoot BO, Mulloy LL, Jagadeesan M, Ahmed S, Balachandran S. ACEi-induced attenuation of platelet TIMP-1 production in renal allograft recipients. Possible impact on erythropoiesis. Transplant Proc 2002; 34:1806-7. [PMID: 12176584 DOI: 10.1016/s0041-1345(02)03085-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Affiliation(s)
- B O Lightfoot
- Department of Medicine, Nephrology Section, Medical College of Georgia, 1120 15th Street, BA 9411, Augusta, GA 30912-3140, USA
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Rowan AD, Koshy PJ, Shingleton WD, Degnan BA, Heath JK, Vernallis AB, Spaull JR, Life PF, Hudson K, Cawston TE. Synergistic effects of glycoprotein 130 binding cytokines in combination with interleukin-1 on cartilage collagen breakdown. ARTHRITIS AND RHEUMATISM 2001; 44:1620-32. [PMID: 11465713 DOI: 10.1002/1529-0131(200107)44:7<1620::aid-art285>3.0.co;2-b] [Citation(s) in RCA: 112] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Abstract
OBJECTIVE To determine whether other glycoprotein 130 (gp130) binding cytokines can mimic the effects of oncostatin M (OSM) in acting synergistically with interleukin-1alpha (IL-1alpha) to induce cartilage collagen breakdown and collagenase expression, and to determine which receptors mediate these effects. METHODS The release of collagen and proteoglycan was assessed in bovine and human cartilage explant cultures. Messenger RNA (mRNA) and protein production from immortalized human chondrocytes (T/C28a4) was analyzed by Northern blotting and specific enzyme-linked immunosorbent assays. Collagenase activity was measured by bioassay. Cell surface receptors were detected by flow cytometry. RESULTS OSM in combination with IL-1alpha caused a rapid synergistic induction of matrix metalloproteinase 1 mRNA, which was sustained over a 72-hour period. Flow cytometric analyses detected both the OSM-specific receptor and the gp130 receptor at the chondrocyte cell surface, but failed to detect the leukemia inhibitory factor receptor (LIFR). Cartilage degradation assays revealed that, of the gp130 binding cytokines, only OSM and IL-6, in the presence of its soluble receptor (sIL-6R), were able to act synergistically with IL-1alpha to promote collagen release. CONCLUSION This study demonstrates that IL-6 can mimic OSM in synergizing with IL-1alpha to induce chondrocyte-mediated cartilage collagen breakdown and collagenase production. In order to have this effect, IL-6 requires the presence of its soluble receptor. The apparent absence of LIFR explains why other gp130 binding cytokines do not act in synergy with IL-1alpha. Since OSM, IL-6, and sIL-6R levels have all been shown to be elevated in the rheumatoid joint, our findings suggest that these cytokines may be key mediators of cartilage collagen catabolism in the inflammatory arthritides.
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Affiliation(s)
- A D Rowan
- Rheumatology, School of Clinical Medical Sciences, University of Newcastle, Newcastle upon Tyne, UK
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Bigg HF, McLeod R, Waters JG, Cawston TE, Clark IM. Mechanisms of induction of human tissue inhibitor of metalloproteinases-1 (TIMP-1) gene expression by all-trans retinoic acid in combination with basic fibroblast growth factor. EUROPEAN JOURNAL OF BIOCHEMISTRY 2000; 267:4150-6. [PMID: 10866818 DOI: 10.1046/j.1432-1327.2000.01459.x] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
The addition of all-trans retinoic acid (ATRA) in combination with basic fibroblast growth factor (bFGF) to human fibroblasts results in a synergistic induction of tissue inhibitor of metalloproteinases-1 (TIMP-1) protein production. The synergistic stimulation of TIMP-1 protein by ATRA and bFGF increased across 72 h. An incubation of 10 min to 12 h with bFGF alone followed by ATRA gave a similar synergistic induction of TIMP-1 protein to that seen with both agents together. Treatment of cells with ATRA first followed by bFGF was ineffective. Expression of RARbeta mRNA was induced by ATRA alone, but not further induced by ATRA and bFGF; expression of RARgamma mRNA was induced by both ATRA or bFGF alone, and further induced by both reagents together; expression of RXRgamma was repressed by ATRA alone, but not by ATRA in combination with bFGF. Steady-state levels of TIMP-1 mRNA were induced 14 to 40-fold above control by ATRA and bFGF. Treatment with ATRA and bFGF did not alter the stability of TIMP-1 mRNA. The induction of TIMP-1 mRNA by ATRA and bFGF was greatly diminished by cycloheximide and therefore required new protein synthesis. The tyrosine kinase inhibitor genistein caused a dose-dependent inhibition of TIMP-1 protein induction by ATRA and bFGF. A MEK1 inhibitor (PD98059) inhibited both basal and induced levels of TIMP-1. At high concentrations, p38 MAP kinase inhibitors further enhanced the synergistic stimulation of TIMP-1 protein by ATRA and bFGF, but at these concentrations, p42/44 MAP kinase was strongly activated. These data begin to elucidate the mechanisms by which TIMP-1 gene expression can be upregulated.
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Affiliation(s)
- H F Bigg
- Department of Rheumatology, University of Newcastle, UK
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Matsui K, Takeda K, Yu ZX, Travis WD, Moss J, Ferrans VJ. Role for activation of matrix metalloproteinases in the pathogenesis of pulmonary lymphangioleiomyomatosis. Arch Pathol Lab Med 2000; 124:267-75. [PMID: 10656737 DOI: 10.5858/2000-124-0267-rfaomm] [Citation(s) in RCA: 119] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
BACKGROUND Matrix metalloproteinases (MMPs) have been shown to be involved in the pathogenesis of the destructive pulmonary lesions in patients with lymphangioleiomyomatosis (LAM); in the present report, the activation of these enzymes is examined. OBJECTIVE To evaluate the role of MMPs and their activating enzymes, immunohistochemical and confocalmicroscopic techniques were used to localize alpha-smooth muscle actin (alpha-SMA), HMB-45, proliferating cell nuclear antigen (PCNA), MMP-2, membrane-type 1 MMP (MT1-MMP), MT2-MMP, and MT3-MMP in lung tissues from 10 women with LAM. Tissue samples were obtained from 5 patients before treatment and in 5 patients after hormone treatment (progesterone and/or tamoxifen citrate). RESULTS Staining for alpha-SMA and MMP-2 was present in all the abnormal smooth muscle cells (LAM cells) in both groups. The percentages of PCNA-, MMP-2-, or MT1-MMP-positive LAM cells were much higher in the untreated group than in the treated group, whereas the percentages of HMB-45-reactive LAM cells were similar in both groups. The reactions for MT1-MMP and PCNA were preferentially localized in small spindle-shaped LAM cells; the reaction for HMB-45 was found in large epithelioid LAM cells. Many of the PCNA-positive cells were also positive for MT1-MMP. Staining for MT2-MMP and MT3-MMP was negative. CONCLUSIONS This study demonstrates an association between cellular proliferation and the presence of MT1-MMP in LAM cells. The activation of MMP-2 by MT1-MMP may play an important role in the destruction of lung tissue in this disorder.
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Affiliation(s)
- K Matsui
- Pathology Section, National Heart Lung and Blood Institute, National Institutes of Health, Bethesda, MD, USA
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Shingleton W, Ellis A, Rowan A, Cawston T. Retinoic acid combines with interleukin-1 to promote the degradation of collagen from bovine nasal cartilage: Matrix metalloproteinases-1 and -13 are involved in cartilage collagen breakdown. J Cell Biochem 2000. [DOI: 10.1002/1097-4644(20001215)79:4<519::aid-jcb10>3.0.co;2-u] [Citation(s) in RCA: 34] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
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Douthwaite JA, Johnson TS, Haylor JL, Watson P, El Nahas AM. Effects of transforming growth factor-beta1 on renal extracellular matrix components and their regulating proteins. J Am Soc Nephrol 1999; 10:2109-19. [PMID: 10505687 DOI: 10.1681/asn.v10102109] [Citation(s) in RCA: 69] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022] Open
Abstract
Transforming growth factor-beta1 (TGF-beta1) is widely regarded as a potent fibrogenic renal growth factor. In cell culture, TGF-beta1 has been shown to increase various extracellular matrix (ECM) proteins and tissue inhibitors of metalloproteinases (TIMP), while decreasing matrix metalloproteinases (MMP), providing the optimum environment for progressive ECM accumulation. This study, which uses the isolated perfused rat kidney (IPRK), describes for the first time in a whole kidney preparation the action of TGF-beta1 on factors associated with ECM processing. This model allows the study of the intact rat kidney with physiologic cell-cell interactions in the absence of confounding systemic influences. Left kidneys were removed from male Wistar rats by a nonischemic technique and perfused with a sterile, apyrogenic, endotoxin-free perfusate, based on the plasma volume expander Hemaccel (polygeline), at constant pressure in a recirculating IPRK system. Kidneys were perfused for 1 h either with (n = 3) or without (n = 3) recombinant human TGF-beta1 (20 ng/ml). The effects of perfusion were controlled by comparison with the nonperfused contralateral kidney (n = 6). TGF-beta1 was measured in the perfusate and urine, at the start and end of the experiment using an enzyme-linked immunosorbent assay to its biologically active form. After perfusion, sections of the kidneys were analyzed for changes in mRNA by Northern blotting. Significant increases in mRNA for fibronectin (7.5-fold, P < 0.01), heparan sulfate proteoglycan core protein (53-fold, P < 0.001), laminin beta1 (12-fold, P < 0.001), collagen alpha1(IV) (17-fold, P < 0.001), collagen alpha1(III) (fourfold, P < 0.001), and MMP9 (twofold, P < 0.05) were observed after perfusion with TGF-beta1. Measurement of TIMP1, TIMP2, TIMP3, MMP1, and MMP2 mRNA demonstrated no detectable change, whereas determination of mRNA for tissue transglutaminase, an enzyme capable of cross-linking many ECM components, showed an eightfold increase (P < 0.01). This study suggests that in the IPRK and in the absence of other exogenous growth factors, TGF-beta1 selectively increases the synthesis of ECM and tissue transglutaminase without changes that would result in the reduction of ECM degradation.
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Affiliation(s)
- J A Douthwaite
- Sheffield Kidney Institute, Northern General Hospital Trust, United Kingdom
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Cawston T, Billington C, Cleaver C, Elliott S, Hui W, Koshy P, Shingleton B, Rowan A. The regulation of MMPs and TIMPs in cartilage turnover. Ann N Y Acad Sci 1999; 878:120-9. [PMID: 10415724 DOI: 10.1111/j.1749-6632.1999.tb07678.x] [Citation(s) in RCA: 61] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
The treatment of cartilage with mediators initiates the breakdown of proteoglycan followed by collagen. This is accompanied by the modulation of different proteinases and inhibitors that include members of the MMP family and TIMPs. We have evidence that a chondrocyte membrane-associated metalloproteinase cleaves aggrecan. This activity is rapidly induced after stimulation with IL-1 and OSM and is not inhibited by TIMPs-1 and -2 but is inhibited by synthetic MMP inhibitors. This same combination of cytokines also upregulates the collagenases with the subsequent release of collagen fragments, and there is a close correlation between the amount of collagen released and collagenase activity produced. Collagen release can be prevented after treatment with specific inhibitors of MAP kinases, inhibitors of MMP transcription, synthetic metalloproteinase inhibitors, TIMPs and treatment of cartilage with agents that upregulate TIMPs. The results from bovine cartilage culture models show that collagen release occurs when TIMP levels are low, collagenases are upregulated and then subsequently activated.
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Affiliation(s)
- T Cawston
- Department of Rheumatology, Medical School, University of Newcastle upon Tyne, England.
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Cawston TE, Curry VA, Summers CA, Clark IM, Riley GP, Life PF, Spaull JR, Goldring MB, Koshy PJ, Rowan AD, Shingleton WD. The role of oncostatin M in animal and human connective tissue collagen turnover and its localization within the rheumatoid joint. ARTHRITIS AND RHEUMATISM 1998; 41:1760-71. [PMID: 9778217 DOI: 10.1002/1529-0131(199810)41:10<1760::aid-art8>3.0.co;2-m] [Citation(s) in RCA: 155] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
Abstract
OBJECTIVE To study the interaction of interleukin-1alpha (IL-1alpha) and oncostatin M (OSM) in promoting cartilage collagen destruction. METHODS Bovine, porcine, and human cartilage and human chondrocytes were studied in culture. The levels of collagenase (matrix metalloproteinase 1 [MMP-1]) and tissue inhibitor of metalloproteinases 1 (TIMP-1) were measured by bioassay and enzyme-linked immunosorbent assay (ELISA). The levels of OSM in rheumatoid synovial fluid were measured by ELISA. RESULTS When combined with OSM, IL-1alpha, IL-1beta, and tumor necrosis factor alpha released proteoglycan and collagen from cartilage. OSM was the only member of the IL-6 family to have this effect. Human tendon also responded to IL-1alpha and OSM. OSM increased the production of MMP-1 and TIMP-1 but when combined with IL-1alpha, synergistically promoted MMP-1 production in human chondrocytes and synovial fibroblasts. High levels of OSM were found in human rheumatoid synovial fluids, and confocal microscopy showed that OSM was produced by macrophages in rheumatoid synovial tissue. CONCLUSION These results highlight an important new mechanism by which there is irreversible loss of collagen from cartilage.
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Affiliation(s)
- T E Cawston
- University of Newcastle, Newcastle Upon Tyne, UK
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Nie D, Ishikawa Y, Yoshimori T, Wuthier RE, Wu LN. Retinoic acid treatment elevates matrix metalloproteinase-2 protein and mRNA levels in avian growth plate chondrocyte cultures. J Cell Biochem 1998. [DOI: 10.1002/(sici)1097-4644(19980101)68:1<90::aid-jcb9>3.0.co;2-r] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
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Cawston TE, Ellis AJ. Retinoic acid and interleukin-1 together promote the release of collagen fragments from bovine nasal cartilage in culture. Ann N Y Acad Sci 1996; 785:219-23. [PMID: 8702134 DOI: 10.1111/j.1749-6632.1996.tb56266.x] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Affiliation(s)
- T E Cawston
- Rheumatology Research Unit, Addenbrooke's Hospital, Cambridge, UK
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