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Fitch JM, Kidder JM, Linsenmayer TF. Cellular invasion of the chicken corneal stroma during development: regulation by multiple matrix metalloproteases and the lens. Dev Dyn 2005; 232:106-18. [PMID: 15580628 DOI: 10.1002/dvdy.20218] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
Abstract
Avian corneal development requires cellular invasion into the acellular matrix of the primary stroma. Previous results show that this invasion is preceded by the removal of the fibril-associated type IX collagen, which possibly stabilizes matrices through interfibrillar cross-bridges secured by covalent crosslinks. In the present study, we provide evidence for the expression of three matrix metalloproteinases (MMPs) in early corneas, two of which act cooperatively to selectively remove type IX collagen in situ. In organ cultures, MMP inhibitors (either TIMP-2 or a synthetic inhibitor) resulted in arrested development, in which collagen IX persisted, and the stroma remained compact and acellular. We also show that blocking covalent crosslinking of collagen allows for cellular invasion to occur, even when the removal of type IX collagen is prevented. Thus, one factor regulating corneal invasion is the physical structure of the matrix, which can be modified by either selective proteolysis or reducing interfibrillar cross-bridges. We also detected another level of regulation of cellular invasion involving inhibition by the underlying lens. This block, which seems to influence invasive behavior independently of matrix modification, is a transient event that is released in ovo just before invasion proceeds.
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Affiliation(s)
- John M Fitch
- Department of Anatomy and Cellular Biology, Tufts University School of Medicine, Boston, Massachusetts 02111, USA.
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Affiliation(s)
- L Svensson
- Department of Cell and Molecular Biology, Lund University, Sweden
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Svoboda KK, Gong H, Trinkaus-Randall V. Collagen expression and orientation in ocular tissues. Prog Polym Sci 1998. [DOI: 10.1016/s0079-6700(97)00038-5] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Karimbux NY, Nishimura I. Temporal and spatial expressions of type XII collagen in the remodeling periodontal ligament during experimental tooth movement. J Dent Res 1995; 74:313-8. [PMID: 7876423 DOI: 10.1177/00220345950740010501] [Citation(s) in RCA: 61] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023] Open
Abstract
This study tested the hypothesis that the remodeling processes of adult periodontal ligament (PDL) reiterate the cellular and molecular events that occur sequentially during development. Type XII collagen has been implicated in the three-dimensional organization of the PDL extracellular matrix, and its expression has been restricted to the terminally differentiated stages. This study focused on the examination of the temporal and spatial expression of type XII collagen during experimental PDL remodeling in the rat. The temporal expressions of types I and XII collagen mRNAs were examined by RNA transfer blot and RNase protection assays, respectively, and were found to be relatively stable in the control group throughout the experimental period. In the tooth movement group, the expression of type I collagen increased at 72 hours and sustained the high level of expression at one week, while an increase in the expression of type XII collagen was first noted at the one-week period. The temporal activation of types I and XII collagen expression in the remodeling occurred in a pattern similar to that found during the development of the PDL. The spatial expression of type XII collagen mRNA was examined by in situ hybridization in the one-week-tooth-movement specimens. Labeled cells, which were more evident in the tension side, typically exhibited a spindle shape and were surrounded by the mature PDL matrix. Our data suggest that the type XII collagen expression may be closely associated with the functional regeneration of the PDL.
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Affiliation(s)
- N Y Karimbux
- Department of Periodontology, Harvard School of Dental Medicine, Boston, Massachusetts 02115
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Thomas JT, Ayad S, Grant ME. Cartilage collagens: strategies for the study of their organisation and expression in the extracellular matrix. Ann Rheum Dis 1994; 53:488-96. [PMID: 7944631 PMCID: PMC1005385 DOI: 10.1136/ard.53.8.488] [Citation(s) in RCA: 39] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Affiliation(s)
- J T Thomas
- School of Biological Sciences, University of Manchester, United Kingdom
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6
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Wälchli C, Koch M, Chiquet M, Odermatt BF, Trueb B. Tissue-specific expression of the fibril-associated collagens XII and XIV. J Cell Sci 1994; 107 ( Pt 2):669-81. [PMID: 8207089 DOI: 10.1242/jcs.107.2.669] [Citation(s) in RCA: 109] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Interstitial collagen fibrils form the supporting scaffold of all connective tissues. The synthesis of this framework is subject to a precise spatial and temporal regulation in order to meet the mechanical needs of every tissue type. A subgroup of non-fibrillar collagens termed FACIT seems to play a role in this regulation by providing specific molecular bridges between fibrils and other matrix components. Collagens XII and XIV represent such FACIT molecules and occur preferentially in tissues containing banded type I collagen fibrils. We have used the techniques of indirect immunofluorescence and in situ hybridization to investigate the expression patterns of the two molecules during chicken embryonic development. We detected specific differences in these patterns, which may be related to the respective functions of the two proteins within the connective tissues. Collagen XIV was expressed at very few sites in the 6-day-old embryo, but occurred in virtually every collagen I-containing tissue (skeletal muscle, cardiac muscle, gizzard, tendon, periosteum, nerve) by the end of embryonic development. In contrast, collagen XII was fairly abundant in the 6-day-old embryo but was, at later stages, restricted to only a few dense connective tissue structures (bone, tendon, gizzard). Thus, our results suggest that collagen XII and collagen XIV serve different functions during embryonic development although their structures are highly similar.
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Affiliation(s)
- C Wälchli
- Laboratorium für Biochemie I, Eidgenössische Technische Hochschule, Zürich, Switzerland
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Watt S, Lunstrum G, McDonough A, Keene D, Burgeson R, Morris N. Characterization of collagen types XII and XIV from fetal bovine cartilage. J Biol Chem 1992. [DOI: 10.1016/s0021-9258(19)88670-2] [Citation(s) in RCA: 48] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022] Open
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Aubert-Foucher E, Font B, Eichenberger D, Goldschmidt D, Lethias C, van der Rest M. Purification and characterization of native type XIV collagen. J Biol Chem 1992. [DOI: 10.1016/s0021-9258(19)49600-2] [Citation(s) in RCA: 25] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022] Open
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Karimbux NY, Rosenblum ND, Nishimura I. Site-specific expression of collagen I and XII mRNAs in the rat periodontal ligament at two developmental stages. J Dent Res 1992; 71:1355-62. [PMID: 1629450 DOI: 10.1177/00220345920710070201] [Citation(s) in RCA: 41] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022] Open
Abstract
In mammals, the periodontal ligament (PDL) is a highly specialized tissue which facilitates tooth eruption and lends mechanical support to the tooth once in occlusion. The PDL extracellular matrix fibers play a major role in such functions. During its development, the spatial arrangement of the PDL extracellular matrix undergoes rapid changes. So that it could be determined whether the structural alteration in the PDL is associated with changes in the expression of collagenous proteins with different functional properties, the transcriptional patterns of collagens I and XII were examined. The maxillary dento-alveolar segments, each containing three molars, from 25-day-old and 40-day-old Sprague-Dawley rats were selected as being representative of developing and matured tissues, respectively. Rat alpha 2(I) collagen cDNA and rat alpha 1(XII) collagen cDNA were used as molecular probes for identification of the corresponding mRNAs by RNA transfer blot analysis, RNase protection assay, and in situ hybridization. The results showed that alpha 2(I) collagen mRNA was expressed in both developing and matured tissues. However, the level of expression decreased with maturity. In contrast, the expression of alpha 1(XII) collagen was increased in the matured tissue as compared with the developing tissue. In situ hybridization in these tissues indicated that the expression of alpha 1(XII) collagen mRNA was limited to the mature stage of PDL development. It is suggested that collagen fibril arrangement during PDL development may be related to the expression of collagen XII.
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Affiliation(s)
- N Y Karimbux
- Department of Prosthetic Dentistry, Harvard School of Dental Medicine, Boston, Massachusetts 02115-5888
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Dozin B, Descalzi F, Briata L, Hayashi M, Gentili C, Hayashi K, Quarto R, Cancedda R. Expression, regulation, and tissue distribution of the Ch21 protein during chicken embryogenesis. J Biol Chem 1992. [DOI: 10.1016/s0021-9258(19)50683-4] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022] Open
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Gordon MK, Castagnola P, Dublet B, Linsenmayer TF, Van der Rest M, Mayne R, Olsen BR. Cloning of a cDNA for a new member of the class of fibril-associated collagens with interrupted triple helices. EUROPEAN JOURNAL OF BIOCHEMISTRY 1991; 201:333-8. [PMID: 1935930 DOI: 10.1111/j.1432-1033.1991.tb16290.x] [Citation(s) in RCA: 30] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
cDNA from embryonic chick skin has been isolated and characterized which encodes a novel member of the FACIT (fibril-associated collagen with interrupted triple helices) group whose other known members are collagen types IX and XII. Nucleotide sequence analysis of the cDNA, combined with characterization of a pepsin-resistant fragment of the protein from embryonic chick skin, demonstrates that the collagen chain is more closely related to the chain of type XII collagen than to those of type IX. It is most similar to a collagen, type XIV, recently identified in bovine skin. It is possible, therefore, that the cDNA codes for a chain of chicken type XIV collagen. From the additional data on molecular structure obtained by sequencing the cDNA, the FACIT family appears to consist of at least two classes of molecules: one of which contains the three chains of type IX collagen, and a second which includes the chains of collagen types XII and XIV.
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Affiliation(s)
- M K Gordon
- Department of Anatomy and Cellular Biology, Tufts University School of Medicine, Boston, MA
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Christoffersen J, Landis WJ. A contribution with review to the description of mineralization of bone and other calcified tissues in vivo. Anat Rec (Hoboken) 1991; 230:435-50. [PMID: 1928750 DOI: 10.1002/ar.1092300402] [Citation(s) in RCA: 91] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
This manuscript considers certain aspects of mineral deposition in bone and other vertebrate calcifying tissues in order to examine physical, chemical, and biological factors important in the mineralization process. The paper in a discussion format principally presents a new data and the formulation of concepts based on such data as well as a summary of background material as necessary review. Mineralization is found to occur at spatially independent sites throughout the organic extracellular tissue matrices. Matrix vesicles and collagen fibrils each may serve as independent nucleation centers for mineral with vesicle mineralization being local and collagen mineralization dominating the tissues as a whole. Collagen fibril organization is suggested to be such that hole zones are aligned in three dimensions, creating extensive channels for mineral accommodation. Nucleation occurs initially in hole zones and crystal growth leads to the development of plate-like mineral particles whose orientation, disposition, and sizes within fibrils are detailed. Effects of diffusion, crystallinity, and critical nucleation and growth events are described with respect to their influence on mineral deposition in bulk and local regions of tissue matrices.
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Affiliation(s)
- J Christoffersen
- Medicinsk-Kemisk Institut, Panum Instituttet, Copenhagen University, Denmark
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Lunstrum GP, Morris NP, McDonough AM, Keene DR, Burgeson RE. Identification and partial characterization of two type XII-like collagen molecules. J Cell Biol 1991; 113:963-9. [PMID: 2026655 PMCID: PMC2288982 DOI: 10.1083/jcb.113.4.963] [Citation(s) in RCA: 54] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022] Open
Abstract
We have identified two distinct collagenous macromolecules in extracts of fetal bovine skin. Each of the molecules appears to contain three identical alpha-chains with short triple-helical domains of approximately 25 kD, and nontriple-helical domains of approximately 190 kD. Consistent with these observations, extracted molecules contain a relatively short triple-helical domain (75 nm) and a large globular domain comprised of three similar arms. Despite these similarities, the purified collagenase-resistant domains are distinguished by a number of criteria. The globular domains can be chromatographically separated on the basis of charge distribution. Peptide profiles generated by V8 protease digestion are dissimilar. These molecules are immunologically unique and have distinct distributions in tissue. Finally, rotary shadow analysis of purified domains identifies size and conformation differences. Structurally, the molecules are very similar to type XII collagen, but differ in tissue distribution, since both these molecules are present in cartilage, while type XII is reported to be absent from that tissue.
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Affiliation(s)
- G P Lunstrum
- Shriners Hospital for Crippled Children, Portland, Oregon
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Abstract
The collagens form a large family of proteins. Collagen fibrils, composed of staggered arrays of fibrillar collagen molecules (types I, II, III, V and XI), provide a supporting scaffold for extracellular matrices of connective tissues. The non-fibrillar collagens are less abundant than the fibrillar collagens, but it is becoming clear that they have important functions in the matrix. Recently, a group with unique structural characteristics has been defined and named the FACIT (Fibril-Associated Collagens with Interrupted Triple-helices) group. There is evidence that these collagens may serve as molecular bridges that are important for the organization and stability of extracellular matrices.
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Affiliation(s)
- L M Shaw
- Department of Anatomy and Cellular Biology, Harvard Medical School, Boston, MA 02115
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Frolich LM, Schmid TM. Collagen type conservation during metamorphic repatterning of the dermal fibers in salamanders. J Morphol 1991; 208:99-107. [PMID: 1890686 DOI: 10.1002/jmor.1052080105] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
The orientation of the fibers in the dermis of the tiger salamander, Ambystoma tigrinum, undergoes a dramatic repatterning at metamorphosis. The pre-metamorphic, larval dermis is a tight layer composed of crossed fibers that wind helically around the trunk. This condition is retained by neotenic adults which do not undergo metamorphosis. In contrast, the neotenic adults which do not undergo metamorphosis. In contrast, the metamorphosed adult dermis consists of a superficial, loose network of fibers invested with large multicellular glands--the stratum spongiosum--and a deeper tight layer of fibers--the stratum densum. However, unlike the crossed fibers of the pre-metamorphic dermis, there is no preferred orientation to the fibers in either layer of the post-metamorphic dermis. In order to evaluate whether these two distinctly different fiber patterns are constructed from biochemically similar fibers, the collagen types present in the pre- and post-metamorphic dermis were determined using SDS-polyacrylamide gel electrophoresis. Type I collagen is the predominant collagen of the dermis and the same major collagen types are present for all individuals, whether pre- or post-metamorphic. Thus, the major types of collagen that compose the dermal fibers do not change during metamorphic repatterning of the dermis.
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Affiliation(s)
- L M Frolich
- Department of Organismal Biology and Anatomy, University of Chicago, Illinois 60637
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Gordon MK, Olsen BR. The contribution of collagenous proteins to tissue-specific matrix assemblies. Curr Opin Cell Biol 1990; 2:833-8. [PMID: 2083084 DOI: 10.1016/0955-0674(90)90080-x] [Citation(s) in RCA: 60] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Affiliation(s)
- M K Gordon
- Department of Anatomy and Cellular Biology, Tufts Medical School, Boston, Massachusetts
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