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Text
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URL Address
<a href="http://doi.org/10.1016/j.nut.2016.08.004" target="_blank" rel="noreferrer noopener">http://doi.org/10.1016/j.nut.2016.08.004</a>
Pages
1–13
Volume
33
Dublin Core
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Title
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Inhibition of cartilage degradation and suppression of PGE2 and MMPs expression by pomegranate fruit extract in a model of posttraumatic osteoarthritis.
Publisher
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Nutrition (Burbank, Los Angeles County, Calif.)
Date
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2017
2017-01
Subject
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*Phytotherapy; *Punicaceae; ACLT; Animal; Animals; Anterior Cruciate Ligament/drug effects/metabolism/pathology; Apoptosis; Cartilage/cytology/*drug effects/metabolism/pathology; Chondrocytes/drug effects/metabolism/pathology; Collagen Type II/genetics/metabolism; Dinoprostone/*metabolism; Disease Models; Disease Progression; Female; Fruit; Interleukins/metabolism; Joints/cytology/*drug effects/metabolism/pathology; Male; Messenger/metabolism; Metalloproteases/genetics/*metabolism; Mitogen-Activated Protein Kinases/metabolism; MMPs; NF-kappa B/metabolism; Osteoarthritis; Osteoarthritis/*drug therapy/etiology/metabolism/pathology; PGE(2); Plant Extracts/pharmacology/therapeutic use; Pomegranate; Rabbit; Rabbits; RNA; Synovial Fluid/metabolism
Creator
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Akhtar Nahid; Khan Nazir M; Ashruf Omer S; Haqqi Tariq M
Description
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OBJECTIVE: Osteoarthritis (OA) is characterized by cartilage degradation in the affected joints. Pomegranate fruit extract (PFE) inhibits cartilage degradation in vitro. The aim of this study was to determine whether oral consumption of PFE inhibits disease progression in rabbits with surgically induced OA. METHODS: OA was surgically induced in the tibiofemoral joints of adult New Zealand White rabbits. In one group, animals were fed PFE in water for 8 wk postsurgery. In the second group, animals were fed PFE for 2 wk before surgery and for 8 wk postsurgery. Histologic assessment and scoring of the cartilage was per Osteoarthritis Research Society International guidelines. Gene expression and matrix metalloproteinases (MMP) activity were determined using quantitative reverse transcriptase polymerase chain reaction and fluorometric assay, respectively. Interleukin (IL)-1 beta, MMP-13, IL-6, prostaglandin (PG)E2, and type II collagen (COL2A1) levels in synovial fluid/plasma/culture media were quantified using enzyme-linked immunosorbent assay. Expression of active caspase-3 and poly (ADP-ribose) polymerase p85 was determined by immunohistochemistry. Effect of PFE and inhibitors of MMP-13, mitogen-activated protein kinase (MAPK) and nuclear factor (NF)-kappaB was studied in IL-1 beta-stimulated rabbit articular chondrocytes. RESULTS: Safranin-O-staining and chondrocyte cluster formation was significantly reduced in the anterior cruciate ligament transaction plus PFE fed groups. Expression of MMP-3, MMP-9, and MMP-13 mRNA was higher in the cartilage of rabbits given water alone but was significantly lower in the animals fed PFE. PFE-fed rabbits had lower IL-6,
Identifier
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<a href="http://doi.org/10.1016/j.nut.2016.08.004" target="_blank" rel="noreferrer noopener">10.1016/j.nut.2016.08.004</a>
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Article information provided for research and reference use only. All rights are retained by the journal listed under publisher and/or the creator(s).
*Phytotherapy
*Punicaceae
2017
ACLT
Akhtar Nahid
Animal
Animals
Anterior Cruciate Ligament/drug effects/metabolism/pathology
Apoptosis
Ashruf Omer S
Cartilage/cytology/*drug effects/metabolism/pathology
Chondrocytes/drug effects/metabolism/pathology
Collagen Type II/genetics/metabolism
Department of Anatomy & Neurobiology
Dinoprostone/*metabolism
Disease Models
Disease Progression
Female
Fruit
Haqqi Tariq M
Interleukins/metabolism
Joints/cytology/*drug effects/metabolism/pathology
Khan Nazir M
Male
Messenger/metabolism
Metalloproteases/genetics/*metabolism
Mitogen-Activated Protein Kinases/metabolism
MMPs
NEOMED College of Medicine
NF-kappa B/metabolism
Nutrition (Burbank, Los Angeles County, Calif.)
Osteoarthritis
Osteoarthritis/*drug therapy/etiology/metabolism/pathology
PGE(2)
Plant Extracts/pharmacology/therapeutic use
Pomegranate
Rabbit
Rabbits
RNA
Synovial Fluid/metabolism