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Osteosarcopenia, which refers to the concomitant presence of osteoporosis and sarcopenia, is expected to increase in the rapidly progressive aging world, with serious clinical implications. However, the pathophysiology of osteosarcopenia has not been fully elucidated, and no optimal treatment specific to osteosarcopenia is available. The RANKL-RANK pathway is widely used as a therapeutic target for osteoporosis. Growing evidence supports the importance of the RANKL-RANK pathway, not only in bone, but also in muscle, and the therapeutic potential of targeting this pathway in muscle diseases has been noted. The muscles and bones closely communicate with each other through various secretory factors called myokines and osteokines. This review covers the roles of the RANKL-RANK pathway in the bone and muscle and their reciprocal interactions. Moreover, we will suggest future directions to move forward for the treatment of osteosarcopenia to prepare for an upcoming aging society.
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http://dx.doi.org/10.1530/JOE-24-0093 | DOI Listing |
Clin Anat
September 2025
Department of Otorhinolaryngology, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan.
There are no standardized guidelines for reconstructive surgery of large temporal bone defects following lateral temporal bone resection for external auditory (acoustic) meatus carcinoma. Filling the defect with well-vascularized tissue is important for large tissue defects to promote wound healing and prevent infection postoperatively. Patients with malignant tumors of the external acoustic meatus requiring lateral temporal bone resection may sometimes necessitate postoperative adjuvant chemoradiotherapy.
View Article and Find Full Text PDFAvian Pathol
September 2025
North of England Zoological Society (Chester Zoo), Chester, UK.
Avian pseudotuberculosis infection usually presents as well-demarcated visceral necrotic foci, typically affecting the gastrointestinal tract, liver and spleen. This case series describes an atypical presentation of (Yptb) characterized by severe chronic myositis, arthritis and osteomyelitis in five village weavers (), and acute osteomyelitis and myositis associated with septicaemia in an oriental magpie robin () from a zoological collection. Clinical signs of the weavers included lethargy, poor flying ability and focally extensive periarticular and muscular swelling, whereas the magpie robin was found dead without premonitory signs.
View Article and Find Full Text PDFCurr Opin Anaesthesiol
October 2025
Division Chief Pain Medicine, Department of Anesthesiology and Perioperative Medicine, University Hospitals Cleveland, Case Western Reserve University, Cleveland, Ohio, USA.
Purpose Of Review: The purpose of this review is to provide an update on the mechanisms of cervicogenic headache and the role of the C2 dorsal root ganglion (DRG) as a central hub for cervicogenic headache.
Recent Findings: The suboccipital muscles have been implicated in the pathogenesis of cervicogenic headaches due to their connections with the dura mater. The myodural bridge (MDB) connects the suboccipital musculature to the spinal dura mater as it passed through the posterior atlanto-occipital and the atlanto-axial interspaces.
Front Sports Act Living
August 2025
Department of Physical Activities and Health Sciences, Masaryk University, Faculty of Sports Studies, Brno, Czechia.
Introduction: Deficits in lower-limb muscle strength and altered gait mechanics are common after anterior cruciate ligament reconstruction (ACL). While isokinetic strength testing is widely accepted in return-to-sport assessment, the role of plantar pressure analysis in detecting compensatory gait strategies remains underexplored.
Methods: This study included 10 male patients (30.
Histidine containing dipeptides (HCDs) such as N-acetylcarnosine are endogenous metabolites that are ergogenic and mitigate metabolic dysfunction. We previously demonstrated that short-term N-acetylcarnosine treatment is highly efficacious in protecting muscle atrophy induced by disuse. Here we demonstrate that a 6-months treatment of N-acetylcarnosine attenuates a broad spectrum of age-associated maladies and improved survival by ∼50% in female mice.
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