Bone-seeking tumor cells alter bone material quality parameters on the nanoscale in mice

Publikation: Beitrag in FachzeitschriftForschungsartikelBeigetragenBegutachtung

Beitragende

  • Johannes Krug - , Universitätsklinikum Hamburg-Eppendorf (UKE) (Autor:in)
  • Christine Plumeyer - , Universitätsklinikum Hamburg-Eppendorf (UKE) (Autor:in)
  • Anton Davydok - , Helmholtz-Zentrum Hereon (Autor:in)
  • Sofie Dragoun Kolibová - , Universitätsklinikum Hamburg-Eppendorf (UKE) (Autor:in)
  • Nico Fischer - , Universitätsklinikum Hamburg-Eppendorf (UKE) (Autor:in)
  • Xuan-Thanh Le-Phuoc - , Medizinische Klinik und Poliklinik III (Autor:in)
  • Martina Rauner - , Medizinische Klinik und Poliklinik III (Autor:in)
  • Praveer Sihota - , Universitätsklinikum Hamburg-Eppendorf (UKE) (Autor:in)
  • Michaela Schweizer - , Universitätsklinikum Hamburg-Eppendorf (UKE) (Autor:in)
  • Björn Busse - , Universitätsklinikum Hamburg-Eppendorf (UKE) (Autor:in)
  • Imke A K Fiedler - , Universitätsklinikum Hamburg-Eppendorf (UKE) (Autor:in)
  • Katharina Jähn-Rickert - , Universitätsklinikum Hamburg-Eppendorf (UKE) (Autor:in)

Abstract

Bone metastases related to breast and prostate cancer present with multiple challenges and skeletal related events like fragility fractures impair the quality of life of the patients significantly. To determine local alterations in bone material quality with bone metastasis, we subjected murine tibial specimens, generated after intratibial injections of either RM1 prostate cancer cells or EO771 breast cancer cells into male and female mice respectively, to high-resolution imaging modalities. Small and wide-angle X-ray scattering showed unaltered mineral characteristics in the more osteosclerotic prostate cancer model, while the quantification of calcium weight percentage via backscattered electron microscopy determined minor differences along the perilacunar bone matrix. Further analyses of mineral and collagen characteristics were performed using Raman spectroscopy and focused ion beam electron microscopy. Our study indicates that alterations in nanochannel properties occur due to the presence of bone seeking tumor cells with more prevalent nanopores in the perilacunar matrix.

Details

OriginalspracheEnglisch
Aufsatznummer214060
FachzeitschriftBiomaterials advances
Jahrgang167
PublikationsstatusVeröffentlicht - Feb. 2025
Peer-Review-StatusJa

Externe IDs

Scopus 85207553866
ORCID /0009-0001-9754-1334/work/189708615

Schlagworte

Ziele für nachhaltige Entwicklung

ASJC Scopus Sachgebiete

Schlagwörter

  • Animals, Bone Neoplasms/secondary, Bone and Bones/pathology, Breast Neoplasms/pathology, Cell Line, Tumor, Collagen/metabolism, Female, Humans, Male, Mice, Prostatic Neoplasms/pathology, Spectrum Analysis, Raman, Tibia/pathology, Perilacunar matrix, High-resolution imaging, Raman spectroscopy, Bone metastasis, Mouse model, Bone material quality, Nanoporosity