Bone Microarchitecture Analysis
Bone Microarchitecture Analysis - Related Videos
06:59
Trabecular Bone Microarchitecture Evaluation in an Osteoporosis Mouse Model
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Cited by 3 •
2023
This protocol presents an economical and efficient method for quantitative evaluation of bone microarchitecture in a mouse model of osteoporosis by combining Hematoxylin-Eosin (HE) staining and micro-computed tomography (Micro-CT) techniques.
07:29
Undecalcified Bone Preparation for Histology, Histomorphometry and Fluorochrome Analysis
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Cited by 32 •
2010
Undecalcified bone histology provides important information for a variety of clinical and research applications. It is technically challenging, particularly with large size specimens. This video illustrates the process of producing good quality sections and demonstrates the technical difficulties and methods with which to overcome them.
08:49
Models of Bone Metastasis
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Cited by 115 •
2012
Animal models are frequently utilized to study cancer metastasis to bone. In this protocol we will describe two common methods of tumor inoculation for bone metastasis studies and briefly describe some of the analyses utilized to monitor and quantify these models.
07:17
Murine Hind Limb Long Bone Dissection and Bone Marrow Isolation
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Cited by 293 •
2016
Here we present a protocol for the dissection of hind limb long bones (femurs and tibiae) from the laboratory mouse. We further describe a rapid technique for bone marrow isolation from these bones that utilizes centrifugation for removal of bone marrow from the bone marrow space.
03:56
Bone Marrow Aspiration: A Method to Obtain Bone Marrow to Examine Cell Morphology
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2023
This video describes the technique of aspirating bone marrow from iliac spine and smear preparation for biopsy. In the example, we perform bone marrow aspiration from an acute myeloid leukemia (AML) patient and examine the cells to check for measurable residual disease (MRD), an important prognostic biomarker.
FAQs
Cortical thickness and trabecular number, thickness, spacing, and connectivity provide complementary information about skeletal organization. Cortical measurements describe the compact outer tissue, whereas trabecular measurements characterize the internal network. Considering these variables together can show structural changes that bone mass alone may not capture and can help relate microscopic organization to whole-bone strength.
Formation and resorption change the arrangement and dimensions of cortical and trabecular tissues, while mineralization alters the tissue state. Mechanical loading can also influence this structure. Measuring the resulting architecture gives biology researchers a way to connect remodeling and loading-related changes at microscopic scales with differences in overall bone strength.
Microcomputed tomography reconstructs three-dimensional bone volumes, allowing researchers to quantify spatial features such as trabecular connectivity and cortical thickness. Histological and histomorphometric analyses instead examine tissue organization and remodeling at microscopic scales. Using these approaches together can provide both a three-dimensional structural view and tissue-level information about skeletal changes.
A typical workflow begins by examining bone with an imaging or microscopic method suited to the research question. Microcomputed tomography can generate a three-dimensional reconstruction for quantitative measurements, while histological or histomorphometric analysis evaluates tissue organization and remodeling. Researchers then interpret the measured architecture in relation to bone formation, resorption, mineralization, or loading.
This analysis is useful when researchers need to investigate skeletal changes associated with osteoporosis, fracture risk, development, or aging. It can reveal how internal organization changes across disease models or life stages. Because the measurements extend beyond bone mass, they help characterize structural features that may contribute to differences in skeletal quality and strength.
In therapeutic studies, architectural measurements can be compared across disease models or treatment conditions to evaluate changes in skeletal structure. The same approach supports research on tissue-engineered bone by examining whether the resulting tissue shows relevant organization and remodeling. Measurements of cortical and trabecular features provide structural outcomes for interpreting formation, resorption, and mineralization.