Mineralization generates megapascal contractile stresses in collagen fibrils

H Ping, W Wagermaier, N Horbelt, E Scoppola, C Li… - Science, 2022 - science.org
During bone formation, collagen fibrils mineralize with carbonated hydroxyapatite, leading to
a hybrid material with excellent properties. Other minerals are also known to nucleate within …

Crossfibrillar mineral tessellation in normal and Hyp mouse bone as revealed by 3D FIB-SEM microscopy

DJ Buss, N Reznikov, MD McKee - Journal of Structural Biology, 2020 - Elsevier
In bone, structural components such as mineral extend across length scales to provide
essential biomechanical functions. Using X-ray micro-computed tomography (µCT), and …

[HTML][HTML] Bone structure and composition in a hyperglycemic, obese, and leptin receptor-deficient rat: Microscale characterization of femur and calvarium

C Micheletti, M Jolic, K Grandfield, FA Shah… - Bone, 2023 - Elsevier
Metabolic abnormalities, such as diabetes mellitus and obesity, can impact bone quantity
and/or bone quality. In this work, we characterize bone material properties, in terms of …

Rapid collagen-directed mineralization of calcium fluoride nanocrystals with periodically patterned nanostructures

W Fang, H Ping, W Wagermaier, S Jin, S Amini, P Fratzl… - Nanoscale, 2021 - pubs.rsc.org
Collagen fibrils present periodic structures, which provide space for intrafibrillar growth of
oriented hydroxyapatite nanocrystals in bone and contribute to the good mechanical …

Impaired bone quality in the superolateral femoral neck occurs independent of hip geometry and bone mineral density

S von Kroge, J Stürznickel, U Bechler, KE Stockhausen… - Acta Biomaterialia, 2022 - Elsevier
Skeletal adaptation is substantially influenced by mechanical loads. Osteocytes and their
lacuno-canalicular network have been identified as a key player in load sensation and bone …

After an initial balance favoring collagen formation and mineralization, bone turnover markers return to pre-treatment levels during long-term TNF-α inhibition in …

M Siderius, A Spoorenberg, FGM Kroese… - Plos one, 2023 - journals.plos.org
Background Bone turnover balance favors bone formation, especially mineralization, during
the first 3 years of treatment with TNF-α inhibitors (TNFi). Our aim was to evaluate the course …

A multiscale study of structural and compositional changes in a natural nanocomposite: Osteoporotic bone with chronic endogenous steroid excess

L Xi, Y Zhang, H Gupta, N Terrill, P Wang, T Zhao… - Bone, 2021 - Elsevier
Glucocorticoid (or steroid) induced osteoporosis (GIOP) is the leading form of secondary
osteoporosis, affecting up to 50% of patients receiving chronic glucocorticoid therapy. Bone …

[HTML][HTML] Pronounced cortical porosity and sex-specific patterns of increased bone and osteocyte lacunar mineralization characterize the human distal fibula with aging

RN Hering, S von Kroge, J Delsmann, A Simon… - Bone, 2024 - Elsevier
The high occurrence of distal fibula fractures among older women suggests a potential link
to impaired bone health. Here we used a multiscale imaging approach to investigate the …

Globular structure of the hypermineralized tissue in human femoral neck

Q Wang, T Tang, D Cooper, F Eltit, P Fratzl… - Journal of Structural …, 2020 - Elsevier
Bone becomes more fragile with ageing. Among many structural changes, a thin layer of
highly mineralized and brittle tissue covers part of the external surface of the thin femoral …

Sclerotic prostate cancer bone metastasis: woven bone lesions with a twist

F Eltit, Q Wang, N Jung, S Munshan, D Xie, S Xu… - JBMR plus, 2024 - academic.oup.com
Bone metastases are the most severe and prevalent consequences of prostate cancer (PC),
affecting more than 80% of patients with advanced PC. PCBMs generate pain, pathological …