Search Results - "Shapiro, Irving M."
-
1
Role of cytokines in intervertebral disc degeneration: pain and disc content
Published in Nature reviews. Rheumatology (01-01-2014)“…Key Points Intervertebral disc (IVD) degeneration is a common condition, affecting a large percentage of the adult population, with huge socio-economic costs…”
Get full text
Journal Article -
2
Long-term treatment with senolytic drugs Dasatinib and Quercetin ameliorates age-dependent intervertebral disc degeneration in mice
Published in Nature communications (03-09-2021)“…Intervertebral disc degeneration is highly prevalent within the elderly population and is a leading cause of chronic back pain and disability. Due to the link…”
Get full text
Journal Article -
3
Hypoxia promotes noncanonical autophagy in nucleus pulposus cells independent of MTOR and HIF1A signaling
Published in Autophagy (01-09-2016)“…Nucleus pulposus (NP) cells reside in the avascular and hypoxic microenvironment of intervertebral discs. Importantly, many activities related to survival and…”
Get full text
Journal Article -
4
Equine or porcine synovial fluid as a novel ex vivo model for the study of bacterial free-floating biofilms that form in human joint infections
Published in PloS one (15-08-2019)“…Bacterial invasion of synovial joints, as in infectious or septic arthritis, can be difficult to treat in both veterinary and human clinical practice…”
Get full text
Journal Article -
5
Bicarbonate Recycling by HIF‐1–Dependent Carbonic Anhydrase Isoforms 9 and 12 Is Critical in Maintaining Intracellular pH and Viability of Nucleus Pulposus Cells
Published in Journal of bone and mineral research (01-02-2018)“…ABSTRACT Intervertebral disc degeneration is a ubiquitous condition closely linked to chronic low‐back pain. The health of the avascular nucleus pulposus (NP)…”
Get full text
Journal Article -
6
Expression of Carbonic Anhydrase III, a Nucleus Pulposus Phenotypic Marker, is Hypoxia-responsive and Confers Protection from Oxidative Stress-induced Cell Death
Published in Scientific reports (20-03-2018)“…The integrity of the avascular nucleus pulposus (NP) phenotype plays a crucial role in the maintenance of intervertebral disc health. While advances have been…”
Get full text
Journal Article -
7
Loss of HIF-1α in the notochord results in cell death and complete disappearance of the nucleus pulposus
Published in PloS one (22-10-2014)“…The intervertebral disc (IVD) is one of the largest avascular organs in vertebrates. The nucleus pulposus (NP), a highly hydrated and proteoglycan-enriched…”
Get full text
Journal Article -
8
COX-2 expression mediated by calcium-TonEBP signaling axis under hyperosmotic conditions serves osmoprotective function in nucleus pulposus cells
Published in The Journal of biological chemistry (08-06-2018)“…The nucleus pulposus (NP) of intervertebral discs experiences dynamic changes in tissue osmolarity because of diurnal loading of the spine. TonEBP/NFAT5 is a…”
Get full text
Journal Article -
9
The Proteasome Inhibitor Carfilzomib Suppresses Parathyroid Hormone-induced Osteoclastogenesis through a RANKL-mediated Signaling Pathway
Published in The Journal of biological chemistry (03-07-2015)“…Parathyroid hormone (PTH) induces osteoclast formation and activity by increasing the ratio of RANKL/OPG in osteoblasts. The proteasome inhibitor carfilzomib…”
Get full text
Journal Article -
10
The inhibition of Staphylococcus epidermidis biofilm formation by vancomycin-modified titanium alloy and implications for the treatment of periprosthetic infection
Published in Biomaterials (01-12-2008)“…Abstract Peri-prosthetic infections are notoriously difficult to treat as the biomaterial implant is ideal for bacterial adhesion and biofilm formation,…”
Get full text
Journal Article -
11
Differentiation of mesenchymal stem cells towards a nucleus pulposus-like phenotype in vitro: Implications for cell-based transplantation therapy
Published in Spine (Philadelphia, Pa. 1976) (01-12-2004)“…Because mesenchymal stem cells can differentiate into chondrocyte-like cells, we ask the question, can mesenchymal stem cells commit to the nucleus pulposus…”
Get full text
Journal Article -
12
Tetracycline tethered to titanium inhibits colonization by Gram-negative bacteria
Published in Journal of biomedical materials research. Part B, Applied biomaterials (01-10-2015)“…As peri-prosthetic infection is one of the most devastating complications associated with implant placement, we have reasoned that such infection can be…”
Get full text
Journal Article -
13
Chondrocyte autophagy is stimulated by HIF-1 dependent AMPK activation and mTOR suppression
Published in Pediatric nephrology (Berlin, West) (01-04-2010)“…The goal of the study is to examine the relationship between the sensor molecules, Hypoxia Inducible Factor-1 (HIF-1), AMP activated Protein Kinase (AMPK) and…”
Get full text
Journal Article -
14
Lack of evidence for involvement of TonEBP and hyperosmotic stimulus in induction of autophagy in the nucleus pulposus
Published in Scientific reports (03-07-2017)“…Nucleus pulposus (NP) cells reside in a physiologically hyperosmotic environment within the intervertebral disc. TonEBP/NFAT5 is an osmo-sensitive…”
Get full text
Journal Article -
15
GLUT1 is redundant in hypoxic and glycolytic nucleus pulposus cells of the intervertebral disc
Published in JCI insight (24-04-2023)“…Glycolysis is central to homeostasis of nucleus pulposus (NP) cells in the avascular intervertebral disc. Since the glucose transporter, GLUT1, is a highly…”
Get full text
Journal Article -
16
Autophagy: a new phase in the maturation of growth plate chondrocytes is regulated by HIF, mTOR and AMP kinase
Published in Cells, tissues, organs (01-01-2009)“…The overall goal of the investigation was to examine autophagy in the growth plate and to ascertain how this process was regulated. Herein, we show that in the…”
Get more information
Journal Article -
17
HIF‐1‐PHD2 axis controls expression of syndecan 4 in nucleus pulposus cells
Published in The FASEB journal (01-06-2014)“…ABSTRACT Intervertebral disc degeneration is the leading cause of chronic back pain. Recent studies show that raised level of SDC4, a cell‐surface heparan…”
Get full text
Journal Article -
18
HIF-1 Regulation of Chondrocyte Apoptosis: Induction of the Autophagic Pathway
Published in Autophagy (01-05-2007)“…The goal of our investigation was to explore the mechanism by which hypoxia regulates growth plate chondrocyte survival. At low O2 tension, chondrocytes were…”
Get full text
Journal Article -
19
Autophagy in mineralizing tissues: Microenvironmental perspectives
Published in Cell cycle (Georgetown, Tex.) (01-02-2009)“…Chondrocytes in the growth plate and articular cartilage and osteocytes subsumed in Haversian bone exist in environmental niches that are characterized by a…”
Get full text
Journal Article -
20
Controlled release of vancomycin from thin sol-gel films on implant surfaces successfully controls osteomyelitis
Published in Journal of orthopaedic research (01-06-2009)“…Peri‐prosthetic infection remains a serious complication of joint replacement surgery. Herein, we demonstrate that a vancomycin‐containing sol‐gel film on Ti…”
Get full text
Journal Article