Influence of aging on biological properties of periodontal ligament cells.

abstract：:Small proteoglycans were dissociatively extracted from normal human thoracic aorta with 4 M guanidine hydrochloride containing protease inhibitors, and purified by Sepharose CL-4B chromatography, dissociative cesium chloride density gradient centrifugation, and diethylaminoethyl cellulose chromatography. The intact pr...

journal_title：Connective tissue research

authors： Register TC,Wagner WD

更新日期：1990-01-01 00:00:00

abstract：:Bone and dentin contain many phosphoproteins in their extracellular matrix. It has been postulated that the anionic character of these proteins, and the presence of phosphate groups in particular, is important for various functions related to biomineralization. Phosphophoryns (PP), are the most highly phosphorylated d...

journal_title：Connective tissue research

authors： Sfeir C,Veis A

更新日期：1996-01-01 00:00:00

abstract：:A detailed analysis of the D-period and axial electron density distribution of cornea and tendon collagen was carried out by means of X-ray diffraction and electron microscopy. Ultrastructural observations were made on replicas of freeze fractured and deep-etched specimens. Synchrotron radiation was used to obtain hig...

journal_title：Connective tissue research

authors： Marchini M,Morocutti M,Ruggeri A,Koch MH,Bigi A,Roveri N

更新日期：1986-01-01 00:00:00

abstract：:STR/ort mice develop a naturally occurring osteoarthritis (OA) of the knee joints. However, the evaluation of early OA changes has been difficult due to variability caused by gender, individual differences, and differences between the right and left lower limbs. The objective of this study was to analyze the variabili...

journal_title：Connective tissue research

authors： Naruse K,Urabe K,Jiang SX,Uchida K,Kozai Y,Minehara H,Mikuni-Takagaki Y,Kashima I,Itoman M

更新日期：2009-01-01 00:00:00

abstract：:The interaction of elastin and microfibrils in elastogenesis in vitro was investigated with electron microscopy and immunohistochemistry. Fetal human pulmonary fibroblasts were cultured with or without beta-aminopropionitrile (BAPN). One week after seeding, the extracellular microfibrils were loosely arranged without ...

journal_title：Connective tissue research

authors： Fukuda Y,Nakazawa N,Yamanaka N

更新日期：1993-01-01 00:00:00

abstract：:We have previously shown in a transgenic mouse line, in which 5.2 kb of the elastin promoter was linked to the reporter enzyme chloramphenicol acetyltransferase (CAT), that the highest levels of expression were found in embryonic lungs and aorta, while lower levels were detected in other elastin-containing tissues. Fu...

journal_title：Connective tissue research

authors： Lakkakorpi J,Li K,Decker S,Korkeela E,Piddington R,Abrams W,Bashir M,Uitto J,Rosenbloom J

更新日期：1999-01-01 00:00:00

abstract：:Growth and differentiation factor-5 (GDF-5) is known to induce tendon tissue and stimulate tendon healing. The hypothesis was that adenoviral GDF-5 transfer leads to transitory transgene expression and improves Achilles tendon healing. In vitro experiments were first performed with rat tenocytes. Transgene expression ...

journal_title：Connective tissue research

authors： Rickert M,Wang H,Wieloch P,Lorenz H,Steck E,Sabo D,Richter W

更新日期：2005-01-01 00:00:00

abstract：:The efficacy of connective tissue explants is difficult to determine, particularly where autopsy material is required for research or clinical applications. We report here an optimised protocol using 5-chloromethylfluorescein diacetate (CMFDA) and ethidium homodimer-1 to distinguish viable and non-viable cells in a ra...

journal_title：Connective tissue research

authors： Poole CA,Brookes NH,Gilbert RT,Beaumont BW,Crowther A,Scott L,Merrilees MJ

更新日期：1996-01-01 00:00:00

abstract：:Many organisms from a wide variety of taxa produce amorphous calcium carbonate (ACC), despite the fact that it is inherently unstable and relatively soluble in its pure state. These properties also make it difficult to detect and characterize ACC. Raman spectroscopy is a particularly useful method for investigating AC...

journal_title：Connective tissue research

authors： Weiner S,Levi-Kalisman Y,Raz S,Addadi L

更新日期：2003-01-01 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

authors： Kagan HM,Simpson DE,Tseng L

更新日期：1981-01-01 00:00:00

abstract：:The small leucine-rich repeat proteoglycans (SLRPs) constitute a group of structurally and functionally related molecules that participate in the organization of the extracellular matrix ECM and have important effects on cell behavior. Osteosarcomas are heterogeneous bone tumors whose common characteristic is the prod...

journal_title：Connective tissue research

authors： Nikitovic D,Berdiaki K,Chalkiadaki G,Karamanos N,Tzanakakis G

更新日期：2008-01-01 00:00:00

abstract：:This study was designed to determine the effects of pulsed electromagnetic fields (PEMF) on the mRNA expression of the receptor activator of NF-kappa-B (RANK) and carbonic anhydrase II (CA II) in ovariectomized rat osteoclast-like cells. Marrow cells were harvested from femora and tibiae of rats, from which the ovarie...

journal_title：Connective tissue research

authors： Chen J,He HC,Xia QJ,Huang LQ,Hu YJ,He CQ

更新日期：2010-01-01 00:00:00

abstract：:These studies examined the effects of heat-inactivated horse serum, insulin, triiodothyronine (T3), and thyroxine (T4), individually and in combination, on collagen and proteoglycan synthesis by primary cell cultures of articular chondrocytes from immature male rabbits. Insulin concentrations of 25 to 100 ng/ml (4.4 t...

journal_title：Connective tissue research

authors： Glade MJ,Kanwar YS,Stern PH

更新日期：1994-01-01 00:00:00

abstract：:Transforming growth factor beta-1 (TGF beta-1) is a multifunctional growth factor that is expressed in numerous cell types. It has been shown to induce secretion of dentin extracellular matrix components associated with primary dentinogenesis and to play a role in tertiary or reparative dentinogenesis. In this study, ...

journal_title：Connective tissue research

authors： Unterbrink A,O'Sullivan M,Chen S,MacDougall M

更新日期：2002-01-01 00:00:00

abstract：:A homogeneous preparation of glycoprotein (apparent molecular weight 34,000) has been isolated from bovine ligamentum nuchae by treatment of the tissue with 5 M guanidine HCl and 2-mercaptoethanol. The preparation exhibits amine oxidase activity which is only marginally inhibited by beta-aminopropionitrile. ...

journal_title：Connective tissue research

authors： Serafini-Fracassini A,Ventrella G,Griffiths R,Hinnie J

更新日期：1981-01-01 00:00:00

abstract：:To investigate the source of bone brittleness in the disease osteogenesis imperfecta (OI), biomechanical properties have been measured in the femurs from a homozygous (oim/oim) mutant mouse model of OI, its heterozygous littermates, and wild-type animals. The novel technique of ultrasound critical-angle reflectometry ...

journal_title：Connective tissue research

authors： Mehta SS,Antich PP,Landis WJ

更新日期：1999-01-01 00:00:00

abstract：:This investigation is devoted to the study of the viscoelastic behavior of human abdominal fascia from the umbilical region. Seventeen samples 10 mm wide and up to 70 mm long were cut along the primary fiber direction (group FL) or perpendicular to it (group FT) and subjected to relaxation tests. The viscoelastic resp...

journal_title：Connective tissue research

authors： Kirilova M

更新日期：2012-01-01 00:00:00

abstract：:In the early mineralized enamel crystals, ribbon-like crystals appear near the ameloblasts. Some ribbon-like crystals showed helical or spiral structure within restricted environment during the preparation of embryonic bovine specimens for electron microscope. These specimens did not suffer from the cutting damages no...

journal_title：Connective tissue research

authors： Suzuki K,Sakae T,Kozawa Y

更新日期：1998-01-01 00:00:00

abstract：: Purpose/Aim of the study mice are the most often used pre-clinical lab models for studying the pathologies of bone mineralization. However, recent evidence suggests that two of the most often used mice strains (C57BL/6J and CD-1) might show differences in the bone minerali...

journal_title：Connective tissue research

authors： Fayolle C,Labrune M,Berteau JP

更新日期：2020-09-01 00:00:00

abstract：:TGF beta modulates the growth and differentiation of various cell types, in part by regulating the production of extracellular matrix proteins. In rat osteoblast-like cells TGF beta stimulates the production of collagen, osteopontin and osteonectin. On the other hand, TGF beta inhibits the production of osteocalcin, o...

journal_title：Connective tissue research

authors： Noda M,Rodan GA

更新日期：1989-01-01 00:00:00

abstract：:Keratocan is an extracellular matrix protein that belongs to the small leucine-rich proteoglycan family that also includes lumican, biglycan, decorin, mimecan, and fibromodulin. Members of this family are known to play a role in regulating cellular processes such as proliferation and modulation of osteoprogenitor line...

journal_title：Connective tissue research

authors： Igwe JC,Gao Q,Kizivat T,Kao WW,Kalajzic I

更新日期：2011-10-01 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

authors： Bigi A,Ripamonti A,Roveri N

更新日期：1977-01-01 00:00:00

abstract：:Syndecan-4 is emerging as an important player in cell interaction with the extracellular environment and has been shown to be involved in the progression of intervertebral disc degeneration. However, the mechanism of syndecan-4 regulation by TNF-α and the role of TGF-β1 in regulating syndecan-4 expression remain poorl...

journal_title：Connective tissue research

authors： Yang H,Liu H,Li X,Pan H,Li Z,Wang J,Zheng Z

更新日期：2015-01-01 00:00:00

abstract：:The interaction of sodium dodecyl sulfate with elastin has been studied by complexometric titration. Approximately 1.2 mumoles of protons with a pKapp of 5.45 are taken up by 10 milligrams of insoluble elastin upon the binding of detergent, apparently due to the protonation of normally ionized carboxylate functions in...

journal_title：Connective tissue research

authors： Kagan HM

更新日期：1978-01-01 00:00:00

abstract：:The pharmacokinetics of desmosine following a 5 mg intravenous dose was determined in five sheep. The biological half-life (t 1/2 beta) of desmosine varied between 81-489 min. Urinary recovery of unchanged desmosine indicated that the compound is not extensively metabolized and that the primary route of elimination is...

journal_title：Connective tissue research

authors： Verma PS,Hoyt RF Jr,Jackson AJ,Phillips YY

更新日期：1984-01-01 00:00:00

abstract：:The binding of highly purified bovine aortic lysyl oxidase to native fibrils of type I collagen has been measured by assay of unbound lysyl oxidase activity in the supernatants of enzyme-collagen mixtures after centrifugation. The apparent binding affinity of lysyl oxidase for native fibrils is quite similar to that f...

journal_title：Connective tissue research

authors： Cronlund AL,Smith BD,Kagan HM

更新日期：1985-01-01 00:00:00

abstract：:Although bone is a nanocomposite of mineral and collagen, mineral has been the more elusive component of study. A standard for bone mineral is clearly needed. We hypothesized that the most natural, least-processed bone mineral could be retrieved from the most highly mineralized bone. We therefore studied the rostrum o...

journal_title：Connective tissue research

authors： Li Z,Pasteris JD,Novack D

更新日期：2013-01-01 00:00:00

abstract：:Bone morphogenetic protein-2 (BMP-2) is a multi-functional growth factor belonging to the transforming growth factor β superfamily that has a broad range of activities that affect many different cell types. BMP-2 induces odontoblastic differentiation of human dental pulp cells (DPCs), but the underlying mechanism rema...

journal_title：Connective tissue research

authors： Qin W,Liu P,Zhang R,Huang S,Gao X,Song Z,Wang R,Chen L,Guo B,Lin Z

更新日期：2014-06-01 00:00:00

abstract：:In the absence of ascorbic acid, confluent human skin fibroblasts incubated in 0.5% serum-supplemented medium had one-third of the level of lysyl hydroxylase activity of cells incubated in media containing high serum concentrations (5-20%). This difference appeared to be due to a decline in the enzyme activity followi...

journal_title：Connective tissue research

authors： Murad S,Sivarajah A,Pinnell SR

更新日期：1985-01-01 00:00:00

abstract：:Objective: Interleukin-17 (IL-17), produced by T helper (Th)-17 cells, is a potent regulator of bone homeostasis. Osteoblasts are key cells that orchestrate inflammatory bone destruction and bone remodeling. This study examines the effect of different concentrations of IL-17 on osteogenesis and receptor activator of n...

journal_title：Connective tissue research

authors： Wang Z,Wei Y,Lei L,Zhong J,Shen Y,Tan J,Xia M,Wu Y,Sun W,Chen L

更新日期：2020-05-05 00:00:00