Abstract:
:Primary chondrocytes cultured in agarose can escape the gel, accumulate at the interface between agarose and the culture medium, and form an outgrowing tissue. These outgrowths can appear as voluminous cartilage-like nodules that have never been previously investigated. In the present study, bovine articular chondrocytes from three age groups (fetal, young adult, aged) were seeded and cultured in agarose to test the hypothesis that hyaline-like cartilage outgrowths develop at the interface by appositional growth, in an age-dependant manner. Macroscopic appearance, cell content, cell division, cytoskeletal morphology, and extracellular matrix (ECM) composition were analyzed. Fetal chondrocytes produced a fibrous interfacial tissue while aged chondrocytes produced ECM-poor cell clusters. In contrast young adult chondrocytes produced large cartilaginous outgrowths, rich in proteoglycan and collagen II, where cells in the central region displayed a chondrocyte morphology. Cell proliferation was confined to the peripheral edge of these outgrowths, where elongated cell morphology, cell-cell contacts, and cell extensions toward the culture medium were seen. Thus these voluminous cartilaginous outgrowths formed in an appositional growth process and only for donor chondrocytes from young adult animals. This system offers an interesting ability to proliferate chondrocytes in a manner that results in a chondrocyte morphology and a cartilaginous ECM in central regions of the outgrowing tissue. It also provides an in vitro model system to study neocartilage appositional growth.
journal_name
Connect Tissue Resjournal_title
Connective tissue researchauthors
Tran-Khanh N,Chevrier A,Lascau-Coman V,Hoemann CD,Buschmann MDdoi
10.3109/03008200903281683subject
Has Abstractpub_date
2010-06-01 00:00:00pages
216-23issue
3eissn
0300-8207issn
1607-8438journal_volume
51pub_type
杂志文章abstract::Heparin treated and aldehyde crosslinked rat aorta segments were implanted in infrarenal aorta of homologous rats. One year following aortic replacement, the subendothelial scar and the prosthetic remnants were excised. The scar and the host intima-media were incubated with 3H-valine for 4 h and extracted with 5 M gua...
journal_title:Connective tissue research
pub_type: 杂志文章
doi:10.3109/03008208309005609
更新日期:1983-01-01 00:00:00
abstract::Proteoglycans and hyaluronic acid synthesized by human skin fibroblasts in culture were characterized, and the effect of thyroid hormone deficiency was examined. The fibroblasts in culture synthesize hyaluronic acid, dermatan sulfate (DS) proteoglycans and heparan sulfate (HS) proteoglycans. Hyaluronic acid is almost ...
journal_title:Connective tissue research
pub_type: 杂志文章
doi:10.3109/03008208809015024
更新日期:1988-01-01 00:00:00
abstract::Two overlapping clones encompassing 8.5 kb of the human elastin gene were isolated from two genomic libraries constructed by partial digestion with either HaeIII/AluI or Sau3A and contained in lambda Charon 4A or EMBL3, respectively. The 6 kb of DNA comprising the most 3' portion of the gene were sequenced demonstrati...
journal_title:Connective tissue research
pub_type: 杂志文章
doi:10.3109/03008208709006976
更新日期:1987-01-01 00:00:00
abstract:AIM:miR-155 is a pro-inflammatory or anti-inflammatory factor depending on the cell type in which it is expressed. miR-155 controls apoptosis and matrix degradation in nucleus pulposus (NP) cells in vitro. The aim of this study is to explore the effect of miR-155 in vivo and further investigate the mechanism of miR-155...
journal_title:Connective tissue research
pub_type: 杂志文章
doi:10.1080/03008207.2018.1483356
更新日期:2019-03-01 00:00:00
abstract::White Carneau pigeons have previously been shown to be genetically susceptible to the development of spontaneous atherogenesis. The severity of development of atheromatous lesions is considerably greater than a more resistant breed of Show Racer pigeons. Analysis of levels of total hydroxyproline and isodesmosine in t...
journal_title:Connective tissue research
pub_type: 杂志文章
doi:10.3109/03008209009009813
更新日期:1990-01-01 00:00:00
abstract::To explore crucial early molecular events involved in contact healing of the intrasynovial flexor tendon, integrin expression was evaluated at the transcriptional and post-transcriptional levels during the first two weeks following injury, repair and controlled passive motion in a canine model. Specifically, immunohis...
journal_title:Connective tissue research
pub_type: 杂志文章
doi:10.3109/03008209809021505
更新日期:1998-01-01 00:00:00
abstract::The diameter of collagen fibrils has been measured in electron micrographs of the tunica media and adventitia of the common carotid artery of 14 rats (19,262 counts). The fibrils of the media were measured in each of its three interlamellar spaces. The mean fibril diameters in the innermost space and the middle space ...
journal_title:Connective tissue research
pub_type: 杂志文章
doi:10.3109/03008208709002000
更新日期:1987-01-01 00:00:00
abstract::Glycosaminoglycan synthesis by cells cultured from nodule or band tissues of patients with Dupuytren's disease was compared with that of skin fibroblasts cultured from uninvolved areas of the palm. No differences were observed in culture which could account either for the abnormal glycosaminoglycan content or the incr...
journal_title:Connective tissue research
pub_type: 杂志文章
doi:10.3109/03008208209160272
更新日期:1982-01-01 00:00:00
abstract::To elucidate the mechanism of accumulation and fragmentation of hyaluronic acid (HA) under inflammatory conditions, we investigated the effect of proinflammatory cytokines on hyaluronic acid synthetase (HAS) mRNA expression using cultured rabbit synovial membrane cells. HASs mRNA levels were determined by real-time PC...
journal_title:Connective tissue research
pub_type: 杂志文章
doi:10.3109/03008200109005649
更新日期:2001-01-01 00:00:00
abstract::Muscle-derived cells can differentiate into chondrogenic cells. In our present study, we investigated the pattern of expression of Sox9, a transcription factor known to play a key role in chondrogenesis, in a rat myoblastic cell line, L6. In addition, we evaluated expression of type II collagen and myogenic regulatory...
journal_title:Connective tissue research
pub_type: 杂志文章
doi:10.1080/03008200490514130
更新日期:2004-01-01 00:00:00
abstract::Several studies have highlighted the lack of age changes in the extracellular matrix of the periodontal ligament, but more needs to be known about cellular and functional changes (including the effects upon eruption). For this study, impeded and unimpeded eruption rates were measured over a 2-week period for the mandi...
journal_title:Connective tissue research
pub_type: 杂志文章
doi:10.1080/03008200290000754
更新日期:2002-01-01 00:00:00
abstract:PURPOSE:Tissue engineering and regenerative medicine approaches have the potential to overcome the challenges associated with current treatment strategies for meniscus injuries. 3D-Bioplotted scaffolds are promising, but have not demonstrated the ability to guide the formation of aligned collagenous matrix in vivo, whi...
journal_title:Connective tissue research
pub_type: 杂志文章
doi:10.1080/03008207.2016.1276177
更新日期:2017-01-01 00:00:00
abstract::Multiple hereditary exostoses (MHE) is an autosomal dominant disorder that affects about 1 in 50,000 children worldwide. MHE, also known as hereditary multiple exostoses (HME) or multiple osteochondromas (MO), is characterized by cartilage-capped outgrowths called osteochondromas that develop adjacent to the growth pl...
journal_title:Connective tissue research
pub_type: 杂志文章
doi:10.1080/03008207.2017.1394295
更新日期:2018-01-01 00:00:00
abstract::Laminin promotes adhesion of various cell types via multiple interactions with cell surface components. We have used a laminin domain involved in adhesion of melanoma cells, peptide F9 (Charonis et al., J. Cell Biol. 107:1253 [( 1988]), to examine its specific interaction with cell surface components. Cells were surfa...
journal_title:Connective tissue research
pub_type: 杂志文章
doi:10.3109/03008209109152435
更新日期:1991-01-01 00:00:00
abstract::The oxidation of an elastin substrate by highly purified bovine aortic lysyl oxidase (LO) is markedly influenced by amphiphilic molecules known to bind to elastin. Negatively charged elastin ligands, including fatty acids, bile salts or sodium dodecyl sulfate can completely inhibit the oxidation of lysine in elastin, ...
journal_title:Connective tissue research
pub_type: 杂志文章
doi:10.3109/03008208109152378
更新日期:1981-01-01 00:00:00
abstract::Aseptic loosening remains the primary cause of failure in total joint arthroplasty. Implant-derived particles are thought to be a main cause of osteolysis that leads to the failure. Substance P (SP) immunoreactive nerve fibers have been detected in the periprosthetic membrane of aseptic loose hip prostheses. We isolat...
journal_title:Connective tissue research
pub_type: 杂志文章
doi:10.3109/03008207.2013.823953
更新日期:2013-01-01 00:00:00
abstract::The basic subunit of cartilage proteoglycan consists of multiple glycosaminoglycan chains covalently attached to a core protein. It is unclear as to whether there is a single core protein or multiple different core proteins, since previous studies using either chondroitinase or testicular hyaluronidase to enzymaticall...
journal_title:Connective tissue research
pub_type: 杂志文章
doi:10.3109/03008207709152265
更新日期:1977-01-01 00:00:00
abstract::Sea urchin's teeth from four families of order Echinoida and from orders Temnopleuroida, Arbacioida and Cidaroida were studied with synchrotron X-ray diffraction. The high and very high Mg calcite phases of the teeth, i.e. the first and second stage mineral constituents, respectively, have the same crystallographic or...
journal_title:Connective tissue research
pub_type: 杂志文章
doi:10.3109/03008207.2014.923865
更新日期:2014-08-01 00:00:00
abstract::The crystal ghosts represent a crystal associated organic material which is stained by acidic phosphotungstic acid, periodic acid-silver methenamine and periodic acid-thiosemicarbazide-osmium, and is reactive with cations and with colloidal iron at pH 2.0, and unreactive after methylation and saponification. These res...
journal_title:Connective tissue research
pub_type: 杂志文章
doi:
更新日期:1989-01-01 00:00:00
abstract::Rat bone marrow cells were cultured in vitro in a collagen-gel medium at 0.5% fetal bovine serum concentration for 10 days in the presence of recombinant human transforming growth factor-beta-1, genetically engineered to contain a collagen binding domain (rhTGF-beta1-F2), or a commercial rhTGF-beta1. To compare the ef...
journal_title:Connective tissue research
pub_type: 杂志文章
doi:10.1080/03008200390229912
更新日期:2003-01-01 00:00:00
abstract:OBJECTIVE:We investigated whether COMP may modify cartilage metabolism and play a role as an endogenous disease aggravating factor in OA. MATERIALS AND METHODS:Full-length and momomeric COMP was recombinantly expressed in human embryonic kidney cells and purified it via affinity chromatography. Purified COMP was used ...
journal_title:Connective tissue research
pub_type: 杂志文章
doi:10.3109/03008207.2014.951440
更新日期:2014-10-01 00:00:00
abstract::Objective: Aseptic loosening is a major problem in total joint replacement. Implant wear debris provokes a foreign body host response and activates cells to produce a variety of mediators and ROS, leading to periprosthetic osteolysis. Elevated ROS levels can harm proteasome function. Proteasome inhibitors have been re...
journal_title:Connective tissue research
pub_type: 杂志文章
doi:10.1080/03008207.2019.1601186
更新日期:2019-11-01 00:00:00
abstract::Monoclonal antibodies (mAbs) (4F2 and 7E12) were prepared against heparan sulfate proteoglycan (HSPG) isolated from bovine glomeruli. Enzyme linked immunosorbent assays (ELISA) and immunoblotting demonstrated that the mABs reacted with HSPG. Indirect immunofluorescence (IF) showed that the mAbs stained renal basement ...
journal_title:Connective tissue research
pub_type: 杂志文章
doi:10.3109/03008208809019069
更新日期:1988-01-01 00:00:00
abstract::Scanning electron microscopy and high angle X-ray diffraction were used to define the relationship between collagen and elastin of bovine aortic wall. The diffraction pattern shows on one hand that the broad rings at 4.5 A and 9 A, due to elastin, do not orient on stretching and on the other hand, that the collagen ri...
journal_title:Connective tissue research
pub_type: 杂志文章
doi:10.3109/03008207709152610
更新日期:1977-01-01 00:00:00
abstract::Effects of applied hydrostatic pressure on transmembrane potentials were investigated in sheep articular chondrocytes and human skin fibroblasts in non-confluent monolayer cultures. Resting potentials in chondrocytes (about -12 mv) and in fibroblasts (about -15 mV) were increased and decreased respectively by over 40%...
journal_title:Connective tissue research
pub_type: 杂志文章
doi:10.3109/03008209209014227
更新日期:1992-01-01 00:00:00
abstract::The eggshell is an highly ordered structure deposited in the distal oviduct and composed of calcium carbonate and an organic matrix which is believed to influence its fabric. We have identified ovotransferrin as an 80 kDa matrix protein observed at high concentration in the uterine fluid at the initial stage of shell ...
journal_title:Connective tissue research
pub_type: 杂志文章
doi:10.3109/03008200109016840
更新日期:2001-01-01 00:00:00
abstract::Quantitative levels of mRNAs coding for elastin, types I and III procollagen and gamma-actin were measured in porcine vascular material following balloon catheterization. A balloon catheter was introduced into the thoracic aorta and jugular vein of 3-6 week old pigs; following distention and six days of postoperative ...
journal_title:Connective tissue research
pub_type: 杂志文章
doi:10.3109/03008208809008059
更新日期:1988-01-01 00:00:00
abstract::This study evaluated the effect of short bouts of stretching on the soleus muscle after immobilization, by measuring the birefringence of the intramuscular connective tissue (ICT) and the muscle fiber area. Thirty rats were divided into five groups: the left soleus was immobilized in the shortened position; after immo...
journal_title:Connective tissue research
pub_type: 杂志文章
doi:10.1080/03008200600995940
更新日期:2006-01-01 00:00:00
abstract::Short term cultures were carried out with chondrocytes and tissue fragments from fetal guinea pig epiphyseal cartilage. Proteoglycans were isolated from these cultures and their properties were compared with those of proteoglycans from adult hyaline cartilage. It was concluded that the proteoglycans synthesized in cul...
journal_title:Connective tissue research
pub_type: 杂志文章
doi:10.3109/03008207809152274
更新日期:1978-01-01 00:00:00
abstract::The effect of I- and C1- on the enzymatic degradation of elastin pancreatic elastase has been studied. At low halide concentrations both ions show a marked stimulation of elastolysis, I- being significantly more effective than Cl-. Kinetic plots of enzyme activity indicate that anions enhance the susceptibility of the...
journal_title:Connective tissue research
pub_type: 杂志文章
doi:10.3109/03008207809152616
更新日期:1978-01-01 00:00:00