75‐kd sirtuin 1 blocks tumor necrosis factor α–mediated apoptosis in human osteoarthritic chondrocytes

H Oppenheimer, O Gabay, H Meir, A Haze… - Arthritis & …, 2012 - Wiley Online Library
Abstract Objective Sirtuin 1 (SirT1) has been implicated in the regulation of human cartilage
homeostasis and chondrocyte survival. Exposing human osteoarthritic (OA) chondrocytes to …

Sirtuin 1 enzymatic activity is required for cartilage homeostasis in vivo in a mouse model

O Gabay, C Sanchez, M Dvir‐Ginzberg… - Arthritis & …, 2013 - Wiley Online Library
Objective We and others previously demonstrated that sirtuin 1 (SIRT‐1) regulates apoptosis
and cartilage‐specific gene expression in human chondrocytes and mouse models. This …

Serum NT/CT SIRT1 ratio reflects early osteoarthritis and chondrosenescence

G Batshon, J Elayyan, O Qiq, E Reich… - Annals of the …, 2020 - ard.bmj.com
Objective Previous work has established that the deacetylase sirtuin-1 (SIRT1) is cleaved by
cathepsin B in chondrocytes subjected to proinflammatory stress, yielding a stable but …

SirT1 enhances survival of human osteoarthritic chondrocytes by repressing protein tyrosine phosphatase 1B and activating the insulin‐like growth factor receptor …

V Gagarina, O Gabay, M Dvir‐Ginzberg… - Arthritis & …, 2010 - Wiley Online Library
Abstract Objective The protein deacetylase SirT1 inhibits apoptosis in a variety of cell
systems by distinct mechanisms, yet its role in chondrocyte death has not been explored. We …

[HTML][HTML] The role of the sirtuin family in cartilage and osteoarthritis: molecular mechanisms and therapeutic targets

K Sun, Y Wu, Y Zeng, J Xu, L Wu, M Li… - Arthritis Research & …, 2022 - Springer
Osteoarthritis (OA) is mainly characterized by the progressive destruction of articular
cartilage. Mounting studies have revealed that disruption of extracellular matrix (ECM) …

The new role of Sirtuin1 in human osteoarthritis chondrocytes by regulating autophagy

FX Liao, F Huang, WG Ma, KP Qin, PF Xu, YF Wu… - Cartilage, 2021 - journals.sagepub.com
Objective The aim of this study is to investigate the role of Sirtuin1 (Sirt1) in the regulation of
autophagy for human osteoarthritis (OA) chondrocytes. Design All cartilage samples were …

SIRT1 regulation of apoptosis of human chondrocytes

K Takayama, K Ishida, T Matsushita… - Arthritis & …, 2009 - Wiley Online Library
Objective SIRT1 is known to inhibit apoptosis and to promote survival of various types of
cells. However, the roles of SIRT1 in apoptosis of human chondrocytes have never been …

[HTML][HTML] SIRT4 suppresses the inflammatory response and oxidative stress in osteoarthritis

Y Dai, S Liu, J Li, J Li, Y Lan, H Nie… - American Journal of …, 2020 - ncbi.nlm.nih.gov
Sirtuins have been involved in the osteoarthritis (OA) process. However, the functions of
SIRT4 in the degeneration of human chondrocytes and OA are not fully understood. This …

Regulation and function of SIRT1 in rheumatoid arthritis synovial fibroblasts

A Engler, C Tange, M Frank-Bertoncelj, RE Gay… - Journal of Molecular …, 2016 - Springer
Rheumatoid arthritis (RA) is a chronic autoimmune disease characterized by inflammation
and destruction of synovial joints. The function of sirtuin (SIRT) 1 in RA is inconclusive. In …

Tumor necrosis factor α–mediated cleavage and inactivation of SirT1 in human osteoarthritic chondrocytes

M Dvir‐Ginzberg, V Gagarina, EJ Lee… - Arthritis & …, 2011 - Wiley Online Library
Abstract Objective The protein deacetylase SirT1 positively regulates cartilage‐specific gene
expression, while the proinflammatory cytokine tumor necrosis factor α (TNFα) negatively …