Results 161 to 170 of about 91,327 (332)

Integrins engage mitochondrial function for signal transduction by a mechanism dependent on Rho GTPases. [PDF]

open access: yes, 2002
We show here the transient activation of the small GTPase Rac, followed by a rise in reactive oxygen species (ROS), as necessary early steps in a signal transduction cascade that lead to NFkappaB activation and collagenase-1 (CL-1)/matrix ...
Werb, Zena, Werner, Erica
core  

Antimicrobial prescribing guidelines for horses in Australia

open access: yesAustralian Veterinary Journal, EarlyView.
The growing problem of antimicrobial resistance also affects equine veterinarians with increasing frequency. Antimicrobial stewardship and responsible prescribing are essential for a future in which effective antimicrobials are available, as it is unlikely that new antimicrobials will become available for use in horses.
L Hardefeldt   +18 more
wiley   +1 more source

Intra-articular injection of inorganic pyrophosphate improves IL-1β-induced cartilage damage in rat model of knee osteoarthritis in vivo

open access: yesOsteoarthritis and Cartilage Open
Objective: Osteoarthritis (OA) is the most common form of chronic joint disease, affecting mainly the elderly population. This disorder is caused by cartilage degeneration with complex changes in the chondrocyte phenotype.
Émilie Velot   +3 more
doaj   +1 more source

Persistence of collagen type II-specific T-cell clones in the synovial membrane of a patient with rheumatoid arthritis. [PDF]

open access: green, 1989
Marco Londei   +7 more
openalex   +1 more source

Citrullination in Tumor Metastasis, Inside and Outside the Cells

open access: yesCancer Science, EarlyView.
ABSTRACT Tumor metastasis remains a poor prognosis because it occurs in all tissues and is difficult to diagnose or prevent before metastatic tumor nodules form. Metastasis is a multi‐step process involving tumor cells, bone marrow‐derived cells, and tissue resident cells, making it a biological three‐body problem.
Takeshi Tomita   +2 more
wiley   +1 more source

Conditioned medium of IGF1-induced synovial membrane mesenchymal stem cells increases chondrogenic and chondroprotective markers in chondrocyte inflammation. [PDF]

open access: yesBiosci Rep, 2021
Marlina M   +8 more
europepmc   +1 more source

Mechanism of ITGB2 in Osteoclast Differentiation in Osteoarthritis

open access: yesCell Proliferation, EarlyView.
In osteoclast precursors, higher ITGB1 than ITGB2 expression increases ITGA2‐ITGB1 integrin. In OA, extracellular signals upregulate ITGB2 and downregulate ITGB1, enhancing ITGA2‐ITGB2 integrin. This activates Rac1 to Rac‐GTP, driving osteoclast differentiation. Hyperactive subchondral osteoclasts accelerate OA progression.
Yang Yang   +16 more
wiley   +1 more source

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