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All Outputs (22)

Bimodal Whole-Mount Imaging of Tendon Using Confocal Microscopy and X-ray Micro-Computed Tomography (2020)
Journal Article
Marr, N., Hopkinson, M., Hibbert, A., Pitsillides, A., & Thorpe, C. (2020). Bimodal Whole-Mount Imaging of Tendon Using Confocal Microscopy and X-ray Micro-Computed Tomography. Biological Procedures Online, https://doi.org/10.1186/s12575-020-00126-4

BACKGROUND:3-dimensional imaging modalities for optically dense connective tissues such as tendons are limited and typically have a single imaging methodological endpoint. Here, we have developed a bimodal procedure utilising fluorescence-based confo... Read More about Bimodal Whole-Mount Imaging of Tendon Using Confocal Microscopy and X-ray Micro-Computed Tomography.

Applied mechanical loading to mouse hindlimb acutely increases skeletal perfusion and chronically enhanced vascular porosity (2020)
Journal Article
Gohin, S., Javaheri, B., Hopkinson, M., Pitsillides, A. A., Arnett, T. R., & Chenu, C. (2020). Applied mechanical loading to mouse hindlimb acutely increases skeletal perfusion and chronically enhanced vascular porosity. Journal of Applied Physiology,

Blood supply is essential for osteogenesis, yet its relationship to load-related increases in bone mass is poorly defined. Herein, we aim to investigate the link between load-induced osteogenesis and the blood supply (bone perfusion and vascular poro... Read More about Applied mechanical loading to mouse hindlimb acutely increases skeletal perfusion and chronically enhanced vascular porosity.

Osteoarthritis-related nociceptive behaviour following mechanical joint loading correlates with cartilage damage (2020)
Journal Article
Ter Heegde, F., Luiz, A. P., Santana-Varela, S., Magnusdottir, R., Hopkinson, M., Chang, Y. M., …Chenu, C. (2020). Osteoarthritis-related nociceptive behaviour following mechanical joint loading correlates with cartilage damage. Osteoarthritis and Cartilage, 28(3), 383-395. https://doi.org/10.1016/j.joca.2019.12.004

In osteoarthritis (OA), the pain-structure relationship remains complex and poorly understood. Here, we used the mechanical joint loading (MJL) model of OA to investigate both knee pathology and nociceptive behaviour.

Conditional deletion of E11/Podoplanin in bone protects against ovariectomy-induced increases in osteoclast formation and activity (2020)
Journal Article
Staines, K., Hopkinson, M., Dillon, S., Stephen, L., Fleming, R., Sophocleous, A., …Farquharson, C. (2020). Conditional deletion of E11/Podoplanin in bone protects against ovariectomy-induced increases in osteoclast formation and activity. Bioscience Reports, 40, https://doi.org/10.1042/BSR20190329

E11/Podoplanin (Pdpn) is implicated in early osteocytogenesis and the formation of osteocyte dendrites. This dendritic network is critical for bone modelling/remodelling, through the production of receptor activator of nuclear factor κ B (RANK)-ligan... Read More about Conditional deletion of E11/Podoplanin in bone protects against ovariectomy-induced increases in osteoclast formation and activity.

Sost haploinsufficiency provokes peracute lethal cardiac tamponade without rescuing the osteopenia in a mouse model of excess glucocorticoids (2019)
Journal Article
Javaheri, B., Herbert, E., Hopkinson, M., Al-Jazzar, A., & Pitsillides, A. A. (2019). Sost haploinsufficiency provokes peracute lethal cardiac tamponade without rescuing the osteopenia in a mouse model of excess glucocorticoids. American Journal of Pathology, 189(4), 753-761. https://doi.org/10.1016/j.ajpath.2018.12.007

Glucocorticoid-induced secondary osteoporosis is the most predictable side-effect of this anti-inflammatory. One of the main mechanisms by which glucocorticoids achieve such deleterious outcome in bone is by antagonizing Wnt/β-catenin signalling. Scl... Read More about Sost haploinsufficiency provokes peracute lethal cardiac tamponade without rescuing the osteopenia in a mouse model of excess glucocorticoids.

Sexually dimorphic tibia shape is linked to natural osteoarthritis in STR/Ort mice (2018)
Journal Article
Javaheri, B., Razi, H., Piles, M., De Souza, R., Chang, Y. M., Maric-Mur, I., …Pitsillides, A. A. (2018). Sexually dimorphic tibia shape is linked to natural osteoarthritis in STR/Ort mice. Osteoarthritis and Cartilage, 26(6), 807-817. https://doi.org/10.1016/j.joca.2018.03.008

Human osteoarthritis (OA) is detected only at late stages. Male STR/Ort mice develop knee OA spontaneously with known longitudinal trajectory, offering scope to identify OA predisposing factors. We exploit the lack of overt OA in female STR/Ort and i... Read More about Sexually dimorphic tibia shape is linked to natural osteoarthritis in STR/Ort mice.

Stable sulforaphane protects against gait anomalies and modifies bone microarchitecture in the spontaneous STR/Ort model of osteoarthritis (2017)
Journal Article
Javaheri, B., Poulet, B., Aljazzar, A., De Souza, R., Piles, M., Hopkinson, M., …Pitsillides, A. A. (2017). Stable sulforaphane protects against gait anomalies and modifies bone microarchitecture in the spontaneous STR/Ort model of osteoarthritis. BONE, 103, 308-317. https://doi.org/10.1016/j.bone.2017.07.028

Osteoarthritis (OA), affecting joints and bone, causes physical gait disability with huge socio-economic burden; treatment remains palliative. Roles for antioxidants in protecting against such chronic disorders have been examined previously. Sulforap... Read More about Stable sulforaphane protects against gait anomalies and modifies bone microarchitecture in the spontaneous STR/Ort model of osteoarthritis.

Hypomorphic conditional deletion of E11/Podoplanin reveals a role in osteocyte dendrite elongation (2017)
Journal Article
Staines, K. A., Javaheri, B., Hohenstein, P., Fleming, R., Ikpegbu, E., Unger, E., …Farquharson, C. (2017). Hypomorphic conditional deletion of E11/Podoplanin reveals a role in osteocyte dendrite elongation. Journal of Cellular Physiology, 232(11), 3006-3019. https://doi.org/10.1002/jcp.25999

The transmembrane glycoprotein E11/Podoplanin (Pdpn) has been implicated in the initial stages of osteocyte differentiation. However, its precise function and regulatory mechanisms are still unknown. Due to the known embryonic lethality induced by gl... Read More about Hypomorphic conditional deletion of E11/Podoplanin reveals a role in osteocyte dendrite elongation.

Dmp1 Promoter-Driven Diphtheria Toxin Receptor Transgene Expression Directs Unforeseen Effects in Multiple Tissues (2017)
Journal Article
Al-Jazzar, A., Javaheri, B., Prideaux, M., Boyde, A., Scudamore, C. L., Cherifi, C., …Pitsillides, A. A. (2017). Dmp1 Promoter-Driven Diphtheria Toxin Receptor Transgene Expression Directs Unforeseen Effects in Multiple Tissues. International Journal of Molecular Sciences, 18(1), https://doi.org/10.3390/ijms18010029

Mice harbouring a dentin matrix protein 1 (Dmp1) promoter-driven human diphtheria toxin (DT) receptor (HDTR) transgene (Tg) have recently been used to attain targeted ablation of osteocytes by diphtheria toxin (DT) treatment in order to define osteoc... Read More about Dmp1 Promoter-Driven Diphtheria Toxin Receptor Transgene Expression Directs Unforeseen Effects in Multiple Tissues.

Transgenic Rescue of the LARGEmyd Mouse: A LARGE Therapeutic Window? (2016)
Journal Article
Hildyard, J. C. W., Lacey, E., Booler, H., Hopkinson, M., Wells, D. J., & Brown, S. C. (2016). Transgenic Rescue of the LARGEmyd Mouse: A LARGE Therapeutic Window?. PLoS ONE, 11(7), e0159853. https://doi.org/10.1371/journal.pone.0159853

LARGE is a glycosyltransferase involved in glycosylation of α-dystroglycan (α-DG). Absence of this protein in the LARGEmyd mouse results in α-DG hypoglycosylation, and is associated with central nervous system abnormalities and progressive muscular d... Read More about Transgenic Rescue of the LARGEmyd Mouse: A LARGE Therapeutic Window?.

Degree of Cajal-Retzius cell mislocalisation correlates with the severity of structural brain defects in mouse models of dystroglycanopathy (2016)
Journal Article
Booler, H., Williams, J., Hopkinson, M., & Brown, S. C. (2016). Degree of Cajal-Retzius cell mislocalisation correlates with the severity of structural brain defects in mouse models of dystroglycanopathy. Brain Pathology, 26(4), 465-478. https://doi.org/10.1111/bpa.12306

The secondary dystroglycanopathies are characterized by the hypoglycosylation of alpha dystroglycan, and are associated with mutations in at least 18 genes that act on the glycosylation of this cell surface receptor rather than the Dag1 gene itself.... Read More about Degree of Cajal-Retzius cell mislocalisation correlates with the severity of structural brain defects in mouse models of dystroglycanopathy.

Prenatal muscle development in a mouse model for the secondary dystroglycanopathies (2016)
Journal Article
Kim, J., Hopkinson, M., Kavishwar, M., Fernandez-Fuente, M., & Brown, S. C. (2016). Prenatal muscle development in a mouse model for the secondary dystroglycanopathies. Skeletal Muscle, 6(3), https://doi.org/10.1186/s13395-016-0073-y

The defective glycosylation of α-dystroglycan is associated with a group of muscular dystrophies that are collectively referred to as the secondary dystroglycanopathies. Mutations in the gene encoding fukutin-related protein (FKRP) are one of the mos... Read More about Prenatal muscle development in a mouse model for the secondary dystroglycanopathies.

Chronic administration of Glucagon-like peptide-1 receptor agonists improves trabecular bone mass and architecture in ovariectomised mice (2015)
Journal Article
Pereira, M., Jeyabalan, J., Jorgensen, C. S., Hopkinson, M., Al-Jazzar, A., Roux, J. P., …Chenu, C. (2015). Chronic administration of Glucagon-like peptide-1 receptor agonists improves trabecular bone mass and architecture in ovariectomised mice. BONE, 81, 459-67. https://doi.org/10.1016/j.bone.2015.08.006

Some anti-diabetic therapies can have adverse effects on bone health and increase fracture risk. In this study, we tested the skeletal effects of chronic administration of two Glucagon-like peptide-1 receptor agonists (GLP-1RA), increasingly used for... Read More about Chronic administration of Glucagon-like peptide-1 receptor agonists improves trabecular bone mass and architecture in ovariectomised mice.

Excessive growth hormone expression in male GH transgenic mice adversely alters bone architecture and mechanical strength (2015)
Journal Article
Lim, S., Marenzana, M., Hopkinson, M., List, E., Kopchick, J., Pereira, M., …Chenu, C. (2015). Excessive growth hormone expression in male GH transgenic mice adversely alters bone architecture and mechanical strength. Endocrinology, 156(4), 1362-1371. https://doi.org/10.1210/en.2014-1572

Patients with acromegaly have a higher prevalence of vertebral fractures despite normal bone mineral density (BMD), suggesting that GH overexpression has adverse effects on skeletal architecture and strength. We used giant bovine GH (bGH) transgenic... Read More about Excessive growth hormone expression in male GH transgenic mice adversely alters bone architecture and mechanical strength.