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Year Number of Results
1962 1
1967 1
1968 1
1969 1
1971 1
1978 1
1981 1
1982 1
1986 2
1988 25
1989 79
1990 114
1991 154
1992 131
1993 117
1994 115
1995 121
1996 123
1997 150
1998 134
1999 112
2000 136
2001 151
2002 120
2003 142
2004 145
2005 154
2006 173
2007 185
2008 163
2009 166
2010 155
2011 171
2012 159
2013 169
2014 117
2015 126
2016 112
2017 104
2018 67
2019 36
2020 1
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3,807 results
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Page 1
The ultrastructure of type I collagen at nanoscale: large or small D-spacing distribution?
Su HN, et al. Nanoscale 2014. PMID 24922185
Note that the D-spacing was homogeneous in a single type I collagen fibril. Our statistical analysis indicated that the D-spacing values of type I collagen fibrils exhibited only a narrow distribution of 2.5 nm around the value of 67 nm. ...The measurement of the D-spacing values of collagen may provide important structural information in many research areas such as collagen related diseases, construction of molecular model of collagen, and collagen fibrogenesis....
Note that the D-spacing was homogeneous in a single type I collagen fibril. Our statistical analysis indicated that the D-spacing val …
Chronic inflammation deteriorates structure and function of collagen fibril in rat temporomandibular joint disc.
Cui SJ, et al. Int J Oral Sci 2019. PMID 30783108 Free PMC article.
The relationship between the ultrastructure and nanomechanical properties of collagen in inflamed discs should be clarified. ...The peak positions of amide I and amide II bands were altered in inflamed discs, indicating collagen unfolding. Our results suggest that sustained inflammation deteriorates collagen structures, resulting in the deterioration of the ultrastructure and nanomechanical properties of rat TMJ discs....
The relationship between the ultrastructure and nanomechanical properties of collagen in inflamed discs should be clarified. . …
Non-Fourier thermal transport induced structural hierarchy and damage to collagen ultrastructure subjected to laser irradiation.
Sahoo N, et al. Int J Hyperthermia 2018. PMID 28610455
The gross deviation in temperature i.e. rise from the classical Fourier model for bio-heat conduction suggests additional effects of temperature rise on the secondary structures and morphological and physico-chemical changes to the collagen ultrastructures building the tissue mass. The observed thermal denaturation in the collagen fibril morphologies have been explained based on the physico-chemical structure of collagen and its response to thermal radiation. ...
The gross deviation in temperature i.e. rise from the classical Fourier model for bio-heat conduction suggests additional effects of tempera …
Collagen fibers in oral submucous fibrosis - A polarizing microscopy study using two special stains.
Nishat R and Kumar H. Indian J Pathol Microbiol 2019. PMID 31611436
BACKGROUND: Oral submucous fibrosis (OSMF), a well-recognized oral potentially malignant disorder, results due to increased collagen production and reduced collagen degradation. ...Collagen fibers were analyzed for polarization colors, distribution, and orientation. RESULTS: Picrosirius red stained both thick and thin collagen fibers. ...
BACKGROUND: Oral submucous fibrosis (OSMF), a well-recognized oral potentially malignant disorder, results due to increased collagen
Mechanisms of lamellar collagen formation in connective tissues.
Ghazanfari S, et al. Biomaterials 2016 - Review. PMID 27162076
We start with cell-induced collagen alignment and strain-stabilization behavior mechanisms which can explain a single anisotropically aligned collagen fiber layer. ...Instead, lysyl aldehyde-derived collagen cross-links have been found essential for correct lamellar matrix deposition. Furthermore, we suggest that supra-cellular (tissue-level) shear stress may be instrumental in the alignment of collagen fibers. ...
We start with cell-induced collagen alignment and strain-stabilization behavior mechanisms which can explain a single anisotropically …
Procollagen trafficking, processing and fibrillogenesis
Canty EG and Kadler KE. J Cell Sci 2005 - Review. PMID 15788652 Free article.
Collagen fibrils in the extracellular matrix allow connective tissues such as tendon, skin and bone to withstand tensile forces. ...Studies of the molecular basis of collagen fibrillogenesis have provided insight into the trafficking of procollagen (the precursor of collagen) through the cellular secretory pathway, the conversion of procollagen to collagen by the procollagen metalloproteinases, and the directional deposition of fibrils involving the plasma membrane and late secretory pathway. ...
Collagen fibrils in the extracellular matrix allow connective tissues such as tendon, skin and bone to withstand tensile forces. ...S
Analysis of Collagen Spatial Structure Using Multiphoton Microscopy and Machine Learning Methods.
Kistenev YV, et al. Biochemistry (Mosc) 2019 - Review. PMID 31213198
Pathogenesis of many diseases is associated with changes in the collagen spatial structure. Traditionally, the 3D structure of collagen in biological tissues is analyzed using histochemistry, immunohistochemistry, magnetic resonance imaging, and X-radiography. ...MPM has a high spatial resolution comparable to histological analysis and can be used for direct visualization of collagen spatial structure. ...
Pathogenesis of many diseases is associated with changes in the collagen spatial structure. Traditionally, the 3D structure of col
Effect of crosslinking in cartilage-like collagen microstructures.
Chen YC, et al. J Mech Behav Biomed Mater 2017. PMID 27866057
Based on the collagen meshwork of articular cartilage, we have developed a bottom-up spring-node model of collagen and examined the effect of fibril connectivity, implemented by crosslinking, on mechanical behaviour. ...The importance of collagen interconnectivity may provide insight into the role of ultrastructure and its mechanics in the initiation, and early stages, of diseases such as osteoarthritis....
Based on the collagen meshwork of articular cartilage, we have developed a bottom-up spring-node model of collagen and examine …
The effect of collagen fibril orientation on the biphasic mechanics of articular cartilage.
Meng Q, et al. J Mech Behav Biomed Mater 2017. PMID 27662625 Free article.
The highly inhomogeneous distribution of collagen fibrils may have important effects on the biphasic mechanics of articular cartilage. However, the effect of the inhomogeneity of collagen fibrils has mainly been investigated using simplified three-layered models, which may have underestimated the effect of collagen fibrils by neglecting their realistic orientation. ...
The highly inhomogeneous distribution of collagen fibrils may have important effects on the biphasic mechanics of articular cartilage …
Collagen intrafibrillar mineralization as a result of the balance between osmotic equilibrium and electroneutrality.
Niu LN, et al. Nat Mater 2017. PMID 27820813 Free PMC article.
Molecular dynamics simulations of collagen structures in the presence of extrafibrillar polyelectrolytes show that the outward movement of ions and intrafibrillar water through the collagen surface occurs irrespective of the charges of polyelectrolytes, resulting in the experimentally verifiable contraction of the collagen structures. The need to balance electroneutrality and osmotic equilibrium simultaneously to establish Gibbs-Donnan equilibrium in a polyelectrolyte-directed mineralization system establishes a new model for collagen intrafibrillar mineralization that supplements existing collagen mineralization mechanisms....
Molecular dynamics simulations of collagen structures in the presence of extrafibrillar polyelectrolytes show that the outward moveme …
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