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Kurt I, Kulhan M, AlAshqar A, Borahay MA. Uterine Collagen Cross-Linking: Biology, Role in Disorders, and Therapeutic Implications. Reprod Sci 2024; 31:645-660. [PMID: 37907804 DOI: 10.1007/s43032-023-01386-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2023] [Accepted: 10/13/2023] [Indexed: 11/02/2023]
Abstract
Collagen is an essential constituent of the uterine extracellular matrix that provides biomechanical strength, resilience, structural integrity, and the tensile properties necessary for the normal functioning of the uterus. Cross-linking is a fundamental step in collagen biosynthesis and is critical for its normal biophysical properties. This step occurs enzymatically via lysyl oxidase (LOX) or non-enzymatically with the production of advanced glycation end-products (AGEs). Cross-links found in uterine tissue include the reducible dehydro-dihydroxylysinonorleucine (deH-DHLNL), dehydro-hydroxylysinonorleucine (deH-HLNL), and histidinohydroxymerodesmosine (HHMD); and the non-reducible pyridinoline (PYD), deoxy-pyridinoline (DPD); and a trace of pentosidine (PEN). Collagen cross-links are instrumental for uterine tissue integrity and the continuation of a healthy pregnancy. Decreased cervical cross-link density is observed in preterm birth, whereas increased tissue stiffness caused by increased cross-link density is a pathogenic feature of uterine fibroids. AGEs disrupt embryo development, decidualization, implantation, and trophoblast invasion. Uterine collagen cross-linking regulators include steroid hormones, such as progesterone and estrogen, prostaglandins, proteoglycans, metalloproteinases, lysyl oxidases, nitric oxide, nicotine, and vitamin D. Thus, uterine collagen cross-linking presents an opportunity to design therapeutic targets and warrants further investigation in common uterine disorders, such as uterine fibroids, cervical insufficiency, preterm birth, dystocia, endometriosis, and adenomyosis.
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Affiliation(s)
- Irem Kurt
- Department of Gynecology and Obstetrics, Johns Hopkins University School of Medicine, Baltimore, MD, 21205, USA
- Selcuk University Faculty of Medicine, 42000, Konya, Turkey
| | - Mehmet Kulhan
- Department of Gynecology and Obstetrics, Selcuk University Faculty of Medicine, 42000, Konya, Turkey
| | - Abdelrahman AlAshqar
- Department of Obstetrics, Gynecology and Reproductive Sciences, Yale School of Medicine, New Haven, CT, 06510, USA
| | - Mostafa A Borahay
- Department of Gynecology and Obstetrics, Johns Hopkins University School of Medicine, Baltimore, MD, 21205, USA.
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Almeida GHDR, Iglesia RP, Araújo MS, Carreira ACO, Dos Santos EX, Calomeno CVAQ, Miglino MA. Uterine Tissue Engineering: Where We Stand and the Challenges Ahead. TISSUE ENGINEERING PART B-REVIEWS 2021; 28:861-890. [PMID: 34476997 DOI: 10.1089/ten.teb.2021.0062] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
Tissue engineering is an innovative approach to develop allogeneic tissues and organs. The uterus is a very sensitive and complex organ, which requires refined techniques to properly regenerate and even, to rebuild itself. Many therapies were developed in 20th century to solve reproductive issues related to uterus failure and, more recently, tissue engineering techniques provided a significant evolution in this issue. Herein we aim to provide a broad overview and highlights of the general concepts involved in bioengineering to reconstruct the uterus and its tissues, focusing on strategies for tissue repair, production of uterine scaffolds, biomaterials and reproductive animal models, highlighting the most recent and effective tissue engineering protocols in literature and their application in regenerative medicine. In addition, we provide a discussion about what was achieved in uterine tissue engineering, the main limitations, the challenges to overcome and future perspectives in this research field.
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Affiliation(s)
- Gustavo Henrique Doná Rodrigues Almeida
- University of São Paulo, Faculty of Veterinary and Animal Science, Professor Orlando Marques de Paiva Avenue, 87, Butantã, SP, Sao Paulo, São Paulo, Brazil, 05508-900.,University of São Paulo Institute of Biomedical Sciences, 54544, Cell and Developmental Biology, Professor Lineu Prestes Avenue, 1374, Butantã, SP, Sao Paulo, São Paulo, Brazil, 05508-900;
| | - Rebeca Piatniczka Iglesia
- University of São Paulo Institute of Biomedical Sciences, 54544, Cell and Developmental Biology, Sao Paulo, São Paulo, Brazil;
| | - Michelle Silva Araújo
- University of São Paulo, Faculty of Veterinary Medicine and Animal Science, University of São Paulo, São Paulo, SP, Brazil., São Paulo, São Paulo, Brazil;
| | - Ana Claudia Oliveira Carreira
- University of São Paulo, Faculty of Veterinary Medicine and Animal Science, University of São Paulo, SP, Brazil, São Paulo, São Paulo, Brazil;
| | - Erika Xavier Dos Santos
- State University of Maringá, 42487, Department of Morphological Sciences, State University of Maringá, Maringá, PR, Brazil, Maringa, PR, Brazil;
| | - Celso Vitor Alves Queiroz Calomeno
- State University of Maringá, 42487, Department of Morphological Sciences, State University of Maringá, Maringá, PR, Brazil, Maringa, PR, Brazil;
| | - Maria Angélica Miglino
- University of São Paulo, Faculty of Veterinary and Animal Science Professor Orlando Marques de Paiva Avenue, 87 Butantã SP Sao Paulo, São Paulo, BR 05508-900, São Paulo, São Paulo, Brazil;
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O’Connor BB, Pope BD, Peters MM, Ris-Stalpers C, Parker KK. The role of extracellular matrix in normal and pathological pregnancy: Future applications of microphysiological systems in reproductive medicine. Exp Biol Med (Maywood) 2020; 245:1163-1174. [PMID: 32640894 PMCID: PMC7400725 DOI: 10.1177/1535370220938741] [Citation(s) in RCA: 35] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
IMPACT STATEMENT Extracellular matrix in the womb regulates the initiation, progression, and completion of a healthy pregnancy. The composition and physical properties of extracellular matrix in the uterus and at the maternal-fetal interface are remodeled at each gestational stage, while maladaptive matrix remodeling results in obstetric disease. As in vitro models of uterine and placental tissues, including micro-and milli-scale versions of these organs on chips, are developed to overcome the inherent limitations of studying human development in vivo, we can isolate the influence of cellular and extracellular components in healthy and pathological pregnancies. By understanding and recreating key aspects of the extracellular microenvironment at the maternal-fetal interface, we can engineer microphysiological systems to improve assisted reproduction, obstetric disease treatment, and prenatal drug safety.
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Affiliation(s)
- Blakely B O’Connor
- Disease Biophysics Group, Wyss Institute for Biologically Inspired Engineering; Harvard John A. Paulson School of Engineering and Applied Sciences; Harvard University, Cambridge, MA 02138, USA
| | - Benjamin D Pope
- Disease Biophysics Group, Wyss Institute for Biologically Inspired Engineering; Harvard John A. Paulson School of Engineering and Applied Sciences; Harvard University, Cambridge, MA 02138, USA
| | - Michael M Peters
- Disease Biophysics Group, Wyss Institute for Biologically Inspired Engineering; Harvard John A. Paulson School of Engineering and Applied Sciences; Harvard University, Cambridge, MA 02138, USA
| | - Carrie Ris-Stalpers
- Department of Gynecology and Obstetrics, Academic Reproduction and Development, Amsterdam UMC, University of Amsterdam, Amsterdam 1105, The Netherlands
| | - Kevin K Parker
- Disease Biophysics Group, Wyss Institute for Biologically Inspired Engineering; Harvard John A. Paulson School of Engineering and Applied Sciences; Harvard University, Cambridge, MA 02138, USA
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Leppert PC, Jayes FL, Segars JH. The extracellular matrix contributes to mechanotransduction in uterine fibroids. Obstet Gynecol Int 2014; 2014:783289. [PMID: 25110476 PMCID: PMC4106177 DOI: 10.1155/2014/783289] [Citation(s) in RCA: 67] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2014] [Revised: 05/28/2014] [Accepted: 06/11/2014] [Indexed: 02/02/2023] Open
Abstract
The role of the extracellular matrix (ECM) and mechanotransduction as an important signaling factor in the human uterus is just beginning to be appreciated. The ECM is not only the substance that surrounds cells, but ECM stiffness will either compress cells or stretch them resulting in signals converted into chemical changes within the cell, depending on the amount of collagen, cross-linking, and hydration, as well as other ECM components. In this review we present evidence that the stiffness of fibroid tissue has a direct effect on the growth of the tumor through the induction of fibrosis. Fibrosis has two characteristics: (1) resistance to apoptosis leading to the persistence of cells and (2) secretion of collagen and other components of the ECM such a proteoglycans by those cells leading to abundant disposition of highly cross-linked, disoriented, and often widely dispersed collagen fibrils. Fibrosis affects cell growth by mechanotransduction, the dynamic signaling system whereby mechanical forces initiate chemical signaling in cells. Data indicate that the structurally disordered and abnormally formed ECM of uterine fibroids contributes to fibroid formation and growth. An appreciation of the critical role of ECM stiffness to fibroid growth may lead to new strategies for treatment of this common disease.
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Affiliation(s)
| | | | - James H. Segars
- Unit on Reproductive Endocrinology and Infertility, Program on Pediatric and Adult Endocrinology, NICHD, NIH, Bethesda, MD 20892-1109, USA
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Mizuno K, Bächinger HP, Imamura Y, Hayashi T, Adachi E. Fragility of reconstituted type V collagen fibrils with the chain composition of α1(V)α2(V)α3(V) respective of the D-periodic banding pattern. Connect Tissue Res 2012; 54:41-8. [PMID: 23092503 DOI: 10.3109/03008207.2012.734876] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
The triple-helical domains of two subtypes of type V collagen were prepared from human placenta, one with the chain composition of [α1(V)](2)α2(V) (Vp112) and the other with the chain composition of α1(V)α2(V)α3(V) (Vp123) with limited pepsin treatment. In order to characterize the triple-helical domain of the type Vp123 collagen molecule, the reconstituted aggregate structure formed from the pepsin-treated collagen was compared by using transmission electron microscopy. The diameter of the fibrils reconstituted from types pepsin-treated type Vp123 collagen and type Vp112 collagen was highly uniform and less than the D-periodicity at all the temperatures examined, suggesting that the major triple-helical domain of both subtypes has a potency to limit their lateral growth. Both fibrils were approximately 45 nm in width and showed the D-periodic banding pattern along their axes at 34°C. In contrast to type Vp112, the reconstituted type Vp123 fibrils showed no banding pattern along their axes when they were reconstituted at 37°C. The banded fibrils once reconstituted from type Vp123 at 34°C tend to lose their characteristic pattern within 60 min when they were incubated at 37°C. One explanation is that a slightly higher content of hydrophobic residues of type Vp123 collagen than those of type V112p collagen augmented the intermolecular interaction that disturbs the D-periodicity governed essentially by electrostatic interactions. Taken together with recent data in Col5a3 gene-targeted mice, the results suggest that type V123 collagen exists not only as a periodic banded fibril but also as nonfibrillar meshwork structures.
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Al-Zaid NS, Gumaa KA, Bou-Resli MN, Ibrahim MEA. Premature Rupture of Fetal Membranes Changes in Collagen Type. Acta Obstet Gynecol Scand 2011. [DOI: 10.1111/j.1600-0412.1988.tb07801.x] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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7
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Wenstrup RJ, Florer JB, Willing MC, Giunta C, Steinmann B, Young F, Susic M, Cole WG. COL5A1 haploinsufficiency is a common molecular mechanism underlying the classical form of EDS. Am J Hum Genet 2000; 66:1766-76. [PMID: 10777716 PMCID: PMC1378044 DOI: 10.1086/302930] [Citation(s) in RCA: 97] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2000] [Accepted: 04/10/2000] [Indexed: 11/03/2022] Open
Abstract
We have identified haploinsufficiency of the COL5A1 gene that encodes the proalpha1(V) chain of type V collagen in the classical form of the Ehlers-Danlos syndrome (EDS), a heritable connective-tissue disorder that severely alters the collagen-fibrillar structure of the dermis, joints, eyes, and blood vessels. Eight of 28 probands with classical EDS who were heterozygous for expressed polymorphisms in COL5A1 showed complete or nearly complete loss of expression of one COL5A1 allele. Reduced levels of proalpha1(V) mRNA relative to the levels of another type V collagen mRNA, proalpha2(V), were also observed in the cultured fibroblasts from EDS probands. Products of the two COL5A1 alleles were approximately equal after the addition of cycloheximide to the fibroblast cultures. After harvesting of mRNAs from cycloheximide-treated cultured fibroblasts, heteroduplex analysis of overlapping reverse transcriptase-PCR segments spanning the complete proalpha1(V) cDNA showed anomalies in four of the eight probands that led to identification of causative mutations, and, in the remaining four probands, targeting of CGA-->TGA mutations in genomic DNA revealed a premature stop at codon in one of them. We estimate that approximately one-third of individuals with classical EDS have mutations of COL5A1 that result in haploinsufficiency. These findings indicate that the normal formation of the heterotypic collagen fibrils that contain types I, III, and V collagen requires the expression of both COL5A1 alleles.
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Affiliation(s)
- R J Wenstrup
- Division of Human Genetics, Children's Hospital Research Foundation, Cincinnati, OH 45229, USA.
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8
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van Kuppevelt TH, Veerkamp JH, Timmermans JA. Immunoquantification of type I, III, IV and V collagen in small samples of human lung parenchyma. Int J Biochem Cell Biol 1995; 27:775-82. [PMID: 7584611 DOI: 10.1016/1357-2725(95)00047-s] [Citation(s) in RCA: 20] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Abstract
The involvement of collagen in pathological conditions underscores the need for sensitive, collagen type-specific assays. A method for the quantification of different types of collagen in lung has been developed. Human lung parenchyma is digested with cyanogen bromide which results in almost complete solubilization of collagen to type-specific collagen peptides. The peptides are quantified using inhibition enzyme immunoassays with type-specific antibodies. The 50% inhibition value for the type I collagen assay is 1 microgram type I collagen peptides, for the type III collagen assay 350 ng type III collagen peptides, for the type IV collagen 200 ng type IV collagen peptides, and for the type V collagen assay 50 ng type V collagen peptides. Using less than 1 mg lyophilized human parenchymal lung tissue it was established that the amount of collagen/mg dry tissue (+/- SD, n = 10) is 84.6 +/- 16.1 micrograms for type I collagen, 26.6 +/- 10.3 micrograms for type III collagen, 9.6 +/- 2.0 micrograms for type IV collagen and 1.8 +/- 0.3 micrograms for type V collagen. The procedure is useful for the quantification of different types of collagen, including minor collagens, and requires only minimal sample preparation.
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9
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Moradi-Améli M, Rousseau JC, Kleman JP, Champliaud MF, Boutillon MM, Bernillon J, Wallach J, Van der Rest M. Diversity in the processing events at the N-terminus of type-V collagen. EUROPEAN JOURNAL OF BIOCHEMISTRY 1994; 221:987-95. [PMID: 8181482 DOI: 10.1111/j.1432-1033.1994.tb18815.x] [Citation(s) in RCA: 54] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Abstract
The processing of human collagen type-V chains was studied using anti-peptide polyclonal antibodies raised against peptide sequences at the N-terminal non-triple-helical region of pro-alpha 1(V) and pro-alpha 2(V) chains. The anti-peptide polyclonal antibody raised against positions 48-57 of the N-terminal alpha 2(V) sequence recognized the mature form of the human alpha 2(V) chain extracted without any proteolytic treatment from several tissues in the presence of a mixture of protease inhibitors. It also recognized the pro-alpha 2(V) and pN-alpha 2(V) collagen chains secreted in the cell-culture media of the rhabdomyosarcoma A204 cell line. The pN-alpha 2(V) collagen chain from this cell line migrated during electrophoresis with the alpha 2(V) chain obtained from tissues. This demonstrates that the alpha 2(V) chain in tissues is incompletely processed and is present as the pN-alpha 2(V) collagen chain which lacks the C-propeptide. In comparison, an anti-peptide polyclonal antibody raised against residues at positions 284-299 of the N-terminal alpha 1(V) human sequence failed to recognize the mature form of the alpha 1(V) chain while it reacted with the pN-alpha 1(V) collagen chain form. These results suggest that the alpha 1(V) chain undergoes a processing event in the N-terminal region that involves the removal of at least the first 284 residues. Amino acid sequence analysis was performed on cyanogen-bromide-generated or trypsin-generated peptides of the two electrophoretic bands obtained for the tissue form of collagen V. The slower-migrating band corresponding to the intact alpha 1(V) chain gave, as expected, only sequences corresponding to the alpha 1(V) chain. However, the band previously considered to be the intact alpha 2(V) chain also gave sequences for the alpha 1(V) chain in addition to the alpha 2(V) chain. This result indicates the presence in tissue extracts of a further processed form of alpha 1(V) chain which migrates with the intact alpha 2(V) chain. On further analysis, we observed that the two bands of the tissue form of collagen V occurred in a 1:1 ratio whereas, after the pepsin digestion to remove non-collagenous regions, two bands were observed with an alpha 1(V)/alpha 2(V) chain ratio of 3:1. These results indicate that the alpha 1(V) chain exists in an additional stoichiometry, different from [alpha 1(V)]2 alpha 2(V).(ABSTRACT TRUNCATED AT 400 WORDS)
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Affiliation(s)
- M Moradi-Améli
- Institut de Biologie et Chimie des Protéines, Lyon, France
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10
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Rauterberg J, Jaeger E, Althaus M. Collagens in atherosclerotic vessel wall lesions. CURRENT TOPICS IN PATHOLOGY. ERGEBNISSE DER PATHOLOGIE 1993; 87:163-92. [PMID: 8125023 DOI: 10.1007/978-3-642-76849-1_6] [Citation(s) in RCA: 17] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Affiliation(s)
- J Rauterberg
- Institut für Arterioskleroseforschung, Universität Münster
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11
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Niyibizi C, Eyre DR. Identification of the cartilage alpha 1(XI) chain in type V collagen from bovine bone. FEBS Lett 1989; 242:314-8. [PMID: 2914614 DOI: 10.1016/0014-5793(89)80492-2] [Citation(s) in RCA: 94] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
Type V collagen prepared from bovine bone was resolved into three distinct alpha-chains by high performance liquid chromatography and gel electrophoresis. Peptide mapping established two chains as alpha 1(V) and alpha 2(V) as expected and the third as the cartilage alpha 1(XI) chain (previously thought to be unique to cartilage). In adult bone, the type V collagen fraction was richer in alpha 1(XI) chains than in fetal bone (about 1/3 of the chains in the adult). How these polypeptides are organized into native molecules is not yet clear, though the stoichiometry suggests cross-type heterotrimers between the type V and XI chains.
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Affiliation(s)
- C Niyibizi
- Department of Orthopaedics, University of Washington, Seattle 98195
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12
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Curtis MA, Gillett IR, Griffiths GS, Maiden MF, Sterne JA, Wilson DT, Wilton JM, Johnson NW. Detection of high-risk groups and individuals for periodontal diseases: laboratory markers from analysis of gingival crevicular fluid. J Clin Periodontol 1989; 16:1-11. [PMID: 2644311 DOI: 10.1111/j.1600-051x.1989.tb01604.x] [Citation(s) in RCA: 95] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
Gingival crevicular fluid is regarded as a promising medium for the detection of markers of periodontal diseases activity. The collection protocols are straight forward and non-invasive and can be performed at specific sites of interest in the periodontium. Because the fluid accumulates at the gingival margin, it will contain potential markers derived not only from the host tissues and serum but also the subgingival microbial plaque, and thus an extremely broad range of candidate molecules may be investigated. However, the ability to successfully describe indicators of current disease activity and predictors of future disease is dependent not only upon the choice of the biochemical marker but also on the accurate description of the health status of the sample sites using currently available clinical and radiographic methods. Areas of study which currently show the most promise involve the analysis of host enzyme activities directed against components of the extracellular matrix, the nature of the glycosaminoglycans released into the sulcus and the concentration in gingival crevicular fluid of certain mediators of the inflammatory process, most notably prostaglandin E2.
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Affiliation(s)
- M A Curtis
- Dental Research Unit, London Hospital Medical College
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13
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Abstract
Studies have been performed to evaluate both the relative amounts and molecular forms of the collagens synthesized by an established line of cultured rat kidney epithelial (clone NRK52E) cells. The collagens secreted into the culture medium and extracted from the cell layers of cultured NRK52E cells were isolated after limited pepsin digestion and differential salt fractionation. Greater than 95% of the collagenous proteins synthesized by NRK52E cells were found to be associated with the cells and not secreted. Polyacrylamide gel electrophoresis under denaturing conditions of the NRK52E cell collagens indicated the presence of components exhibiting properties corresponding to those of the chains present in types I, III, IV and V collagen. Analysis of each fraction by carboxymethyl-trisacryl chromatography revealed that approximately two-thirds of the total collagen synthesized by NRK52E cells was type III. Of the remaining collagen types I, IV and V molecules represented 20%, 4% and 10% respectively, of the total produced. Essentially all of the type I collagen produced by NRK52E cells was recovered as the type I-trimer, whereas the type V molecules synthesized by NRK52E cells had the molecular compositions of [alpha 1(V)]2 alpha 2(V) and alpha 1(V)alpha 2(V)alpha 3(V). These data establish the relative proportions and molecular forms of the collagens synthesized by cultured NRK52E cells. Furthermore, these findings suggest that NRK52E cells may be a useful in vitro model for investigating the regulation of changes in collagen biosynthesis occurring under situations of renal epithelial cell injury.
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Affiliation(s)
- J J Creely
- Department of Pathology, Vanderbilt University, School of Medicine, Nashville, Tennessee 37232
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14
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van Kuppevelt TH, Janssen HM, van Beuningen HM, Cheung KS, Schijen MM, Kuyper CM, Veerkamp JH. Isolation and characterization of a collagen fibril-associated dermatan sulphate proteoglycan from bovine lung. BIOCHIMICA ET BIOPHYSICA ACTA 1987; 926:296-309. [PMID: 3318935 DOI: 10.1016/0304-4165(87)90216-9] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
Dermatan sulphate proteoglycans have been extracted from bovine lung with 2.0 M CaCl2 and isolated using CsCl density gradient centrifugation, DEAE ion-exchange chromatography, gel chromatography and preparative sodium dodecyl sulphate-polyacrylamide gel electrophoresis. Ultrastructurally these proteoglycans are specifically associated with collagen fibrils. Dermatan sulphate (Mr 15.10(3)-35.10(3), with a strong prevalence for the higher Mr) is link via an O-glycosidic bond to a protein core, which is rich in Asx, Glx and Leu. Of the total uronic acid, 91% is iduronic acid. A part of the glucuronic acid residues is located near the protein core and a large cluster of disaccharides is devoid of glucuronic acid residues. An inhibition enzyme immunoassay has been developed to quantitate the proteoglycan. A model for the interaction between dermatan sulphate proteoglycans and collagen fibrils is proposed.
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Affiliation(s)
- T H van Kuppevelt
- Department of Chemical Cytology, University of Nijmegen, The Netherlands
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15
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Kisalus LL, Herr JC, Little CD. Immunolocalization of extracellular matrix proteins and collagen synthesis in first-trimester human decidua. Anat Rec (Hoboken) 1987; 218:402-15. [PMID: 2444138 DOI: 10.1002/ar.1092180408] [Citation(s) in RCA: 79] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
The extracellular matrix (ECM) of first-trimester human decidua was examined with indirect immunofluorescence using affinity-purified antibodies to human collagen types I, III, IV, V, laminin, and fibronectin. In addition, the validity of the classification "mesenchymal-epithelioid" for differentiated decidual cells was addressed using antibodies to the intermediate filament proteins, vimentin, a mesenchymal marker, and keratin, an epithelial marker. Biosynthesis of extracellular matrix components was examined by radiolabeling of decidual explants in culture with 3H-proline, followed by immunoprecipitations of synthesized proteins with collagen type-specific antibodies. Immunofluorescence showed decidual cells are embedded in an extensive network of collagen types I and III, and intracytoplasmic staining suggested synthesis of these collagens by the decidual cells. Collagen type IV and laminin localized in the external lamina which surrounds the differentiated decidual cell, and some fluorescence was evident in the peripheral cytoplasm. Immunoreactive collagen type V was observed in close association with the external lamina and in the peridecidual matrix. Fibronectin localized throughout the decidual ECM and in fibrillar and punctuate patterns in the decidual cell cytoplasm. Differentiated decidual cells retained a "mesenchymal" intermediate filament cytoskeleton containing an abundance of vimentin filaments, but very few, if any, keratin filaments. Collagen types I, III, V, and to a lesser extent, IV, were immunoprecipitated from the medium of decidual explants after 24 hours of culture, demonstrating in vitro synthesis and secretion of these collagens by first trimester human decidua.
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Affiliation(s)
- L L Kisalus
- Department of Anatomy and Cell Biology, University of Virginia, Charlottesville 22908
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16
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Woodley DT, Scheidt VJ, Reese MJ, Paller AS, Manning TO, Yoshiike T, Briggaman RA. Localization of the alpha 3 (V) chain of type V collagen in human skin. J Invest Dermatol 1987; 88:246-52. [PMID: 3029236 DOI: 10.1111/1523-1747.ep12465467] [Citation(s) in RCA: 18] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
Serum from goats immunized with human type V collagen chains that were cut out of polyacrylamide gels contained an antibody that recognized only type V collagen in an enzyme-linked immunoabsorbent assay and did not label laminin, fibronectin, or types I and IV collagen. Western blot analysis of the antibody showed that its determinant was the alpha 3 (V) chain of type V collagen. Indirect immunofluorescent staining of intact human skin with the antibody produced staining of the dermal blood vessels but not of the dermal-epidermal junction (DEJ). In contrast, both the dermal blood vessels and the DEJ were labeled by the antibody if the skin substrate was first split through the lamina lucida region of the DEJ by incubation in 1 M NaCl solution. Indirect immunoelectron microscopy confirmed the staining pattern found by immunofluorescence and defined the ultrastructural localization of type V collagen in skin. Type V collagen is localized within the DEJ to the lamina lucida region and polar aspects of the basal cell keratinocyte plasma membrane.
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Abstract
The collagens of bovine vitreous-humour and nasal-septum cartilage have been extracted, fractionated and compared. Both tissues show the same heterogeneity of collagen types, consisting of type II, 1 alpha, 2 alpha, 3 alpha and C-PS collagens. The type II collagen of the vitreous humour was significantly more hydroxylated both in the lysine and proline residues than was that of cartilage. C-PS1 collagen, together with higher-Mr forms were present in the vitreous humour, but the higher-Mr forms were not seen in cartilage. Both C-PS1 and C-PS2 were present in vitreous humour and cartilage, but vitreous humour contained three times more of these collagens than did cartilage. Despite the difference in amount, the molar ratio C-PS1/C-PS2 was approx. 1 in both tissues, suggesting that they are components of a larger molecule. The 1 alpha, 2 alpha, 3 alpha collagens were present in the same concentration in both tissues. These three chains co-precipitated on dialysis against phosphate-buffered saline, pH 7.2, in a manner analogous to type V collagen.
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Evans HB, Ayad S, Abedin MZ, Hopkins S, Morgan K, Walton KW, Weiss JB, Holt PJ. Localisation of collagen types and fibronectin in cartilage by immunofluorescence. Ann Rheum Dis 1983; 42:575-81. [PMID: 6354112 PMCID: PMC1001300 DOI: 10.1136/ard.42.5.575] [Citation(s) in RCA: 52] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
Collagens type I, II, III, IV, and V and the minor cartilage collagens, 1 alpha 2 alpha 3 alpha, C-PS 1, and C-PS 2, were purified, antibodies raised, and then used in immunofluorescence studies on bovine nasal cartilage (BNC). Punctate localisation was seen with the type II antibody. However, pretreatment of sections with hyaluronidase to remove the proteoglycan resulted in diffuse staining over all the section with this antibody. Antibodies to 1 alpha 2 alpha 3 alpha, C-PS 1, and C-PS 2 collagens gave no staining on untreated BNC sections, but after treatment with hyaluronidase all 3 antibodies showed as a diffuse 'halo' round each chondrocyte lacuna. Anti-type I, anti-type III, and anti-type IV collagen antibodies did not stain untreated or enzyme treated BNC. Type V collagen antibodies gave a bright ring in the pericellular region of the lacunae of hyaluronidase-treated BNC. This was unexpected, as we could not detect type V collagen biochemically in the same cartilage. Anti-fibronectin antibodies stained areas distant from the chondrocytes, these areas being distinct from those stained by 1 alpha 2 alpha 3 alpha and C-PS antibodies, suggesting that fibronectin is not associated with these collagens in BNC. These results suggest that different collagen types may have different locations within the cartilage matrix, that proteoglycans may inhibit antibody association with collagen, and that fibronectin is normally not associated with all types of collagen.
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Narayanan AS, Engel LD, Page RC. The effect of chronic inflammation on the composition of collagen types in human connective tissue. COLLAGEN AND RELATED RESEARCH 1983; 3:323-34. [PMID: 6413124 DOI: 10.1016/s0174-173x(83)80014-4] [Citation(s) in RCA: 38] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Abstract
Biochemical alterations in the connective tissue matrix are a common feature of many diseases, and they account in major part for their functional impairment. Such alterations are especially important in acute and chronic inflammatory diseases where they may take the form of degradation of matrix components or their excessive accumulation leading to fibrosis. Although a wealth of morphologic information is available, very little is known about these changes at the biochemical level. Using human gingival tissue as a model, we have carried out studies aimed at assessing the effects of chronic inflammation on the collagen isotypes comprising the connective tissue matrix. Tissue obtained from patients undergoing surgical treatment for periodontitis was separated on the basis of clinical features into healthy and inflamed portions. After confirming the inflammatory status of each specimen histologically, each set of tissue pairs was extracted at 4 degrees C in 0.5 M acetic acid containing 1 mg/ml of pepsin, and the extracted collagens were fractionated with NaCl. Alpha chains were separated by polyacrylamide slab gel electrophoresis, and methods devised for their quantitation. The results showed that the proportions of type I and III collagens present in normal and inflamed tissues did not differ significantly. In contrast, the type V collagen, which accounted for 0.1 to 1.3% of the total collagens present in normal tissue, was increased by 2- to 9-fold in the chronically inflamed tissue. Because of the unique binding and connecting role type V collagen is thought to play, this alteration may have major pathologic and functional significance.
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Elstow SF, Weiss JB. Extraction, isolation and characterization of neutral salt soluble type V collagen from fetal calf skin. COLLAGEN AND RELATED RESEARCH 1983; 3:181-93. [PMID: 6409498 DOI: 10.1016/s0174-173x(83)80002-8] [Citation(s) in RCA: 22] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Abstract
Collagen was extracted with neutral salt solution and examined for the presence of type V collagen. A fraction which was insoluble in both 0.02 M Na2HPO4, pH 9.2 and phosphate-buffered saline (PBS) pH 7.2 at 4 degrees C contained both alpha 1(V)- and alpha 2(V)-chains demonstrated by sodium dodecyl sulfate polyacrylamide gel electrophoresis, diethylaminoethyl cellulose ion exchange chromatography, amino acid analysis and segment long spacing (SLS) crystallites. SLS crystallites showed a globular N-terminal extension peptide attached to the type V collagen monomer. Ion exchange chromatography also demonstrated the presence of a third, minor component, which was identified as the alpha 3(V)-chain. In certain extractions, components corresponding to the partially processed procollagen chains of type V collagen were also observed.
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Aplin JD, Hughes RC. Complex carbohydrates of the extracellular matrix structures, interactions and biological roles. BIOCHIMICA ET BIOPHYSICA ACTA 1982; 694:375-418. [PMID: 6760897 DOI: 10.1016/0304-4157(82)90003-x] [Citation(s) in RCA: 93] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
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Ayad S, Abedin MZ, Weiss JB, Grundy SM. Characterisation of another short-chain disulphide-bonded collagen from cartilage, vitreous and intervertebral disc. FEBS Lett 1982; 139:300-4. [PMID: 7075781 DOI: 10.1016/0014-5793(82)80875-2] [Citation(s) in RCA: 46] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
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