Skeletal aging and osteoporosis: mechanisms and therapeutics

A Chandra, J Rajawat - International journal of molecular sciences, 2021 - mdpi.com
Bone is a dynamic organ maintained by tightly regulated mechanisms. With old age, bone
homeostasis, which is maintained by an intricate balance between bone formation and bone …

Fatty infiltration of skeletal muscle: mechanisms and comparisons with bone marrow adiposity

MW Hamrick, ME McGee-Lawrence… - Frontiers in …, 2016 - frontiersin.org
Skeletal muscle and bone share common embryological origins from mesodermal cell
populations and also display common growth trajectories early in life. Moreover, muscle and …

Age-related changes in bone marrow mesenchymal stromal cells: a potential impact on osteoporosis and osteoarthritis development

P Ganguly, JJ El-Jawhari, PV Giannoudis… - Cell …, 2017 - journals.sagepub.com
Aging at the cellular level is a complex process resulting from accumulation of various
damages leading to functional impairment and a reduced quality of life at the level of the …

Bone regeneration and stem cells

K Arvidson, BM Abdallah, LA Applegate… - Journal of cellular …, 2011 - Wiley Online Library
Introduction• Bone fracture healing and healing problems• Biomaterial scaffolds and tissue
engineering in bone formation‐Bone tissue engineering‐Biomaterial scaffolds‐Synthetic …

Senescence‐associated intrinsic mechanisms of osteoblast dysfunctions

M Kassem, PJ Marie - Aging cell, 2011 - Wiley Online Library
Human aging is associated with bone loss leading to bone fragility and increased risk of
fractures. The cellular and molecular causes of age‐related bone loss are current intensive …

Insights into mesenchymal stem cell aging: involvement of antioxidant defense and actin cytoskeleton

G Kasper, L Mao, S Geissler, A Draycheva… - Stem …, 2009 - academic.oup.com
Progenitor cells such as mesenchymal stem cells (MSCs) have elicited great hopes for
therapeutic augmentation of physiological regeneration processes, eg, for bone fracture …

Molecular basis of bone aging

A Corrado, D Cici, C Rotondo, N Maruotti… - International journal of …, 2020 - mdpi.com
A decline in bone mass leading to an increased fracture risk is a common feature of age-
related bone changes. The mechanisms underlying bone senescence are very complex and …

Peptidylarginine deiminase 2 plays a key role in osteogenesis by enhancing RUNX2 stability through citrullination

HJ Kim, HR Shin, H Yoon, MS Park, BG Kim… - Cell Death & …, 2023 - nature.com
Peptidylarginine deiminase (PADI) 2 catalyzes the post-translational conversion of peptidyl-
arginine to peptidyl-citrulline in a process called citrullination. However, the precise …

Obesity-associated hypermetabolism and accelerated senescence of bone marrow stromal stem cells suggest a potential mechanism for bone fragility

M Tencerova, M Frost, F Figeac, TK Nielsen, D Ali… - Cell Reports, 2019 - cell.com
Obesity is associated with increased risk for fragility fractures. However, the cellular
mechanisms are unknown. Using a translational approach combining RNA sequencing and …

Macrophage cells secrete factors including LRP1 that orchestrate the rejuvenation of bone repair in mice

L Vi, GS Baht, EJ Soderblom, H Whetstone… - Nature …, 2018 - nature.com
The pace of repair declines with age and, while exposure to a young circulation can
rejuvenate fracture repair, the cell types and factors responsible for rejuvenation are …