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https://www.readbyqxmd.com/read/28078603/a-comparison-of-the-anti-inflammatory-effects-of-cis-9-trans-11-conjugated-linoleic-acid-to-celecoxib-in-the-collagen-induced-arthritis-model
#1
Jake M Olson, Alexander W Haas, Jennifer Lor, Holly S McKee, Mark E Cook
Cyclooxygenase (COX)-2 inhibitors, such as celecoxib, for chronic inflammatory disease are associated with adverse health events, while cis-9, trans-11 (c9t11) conjugated linoleic acid (CLA) is anti-inflammatory without adverse events attributed to pure intake. Mechanistically, celecoxib and c9t11 disrupt the arachidonic acid cascade; however, the equivalency of anti-inflammatory effects between these compounds is unknown. Therefore, to test the hypothesis that 0.5% dietary c9t11 reduces inflammation equivalently to a celecoxib dose intended to treat rheumatoid arthritis (RA; 5 mg/kg bw), arthritic mice received diets containing one of the following supplements: 1% corn oil (CO, w/w), 0...
January 11, 2017: Lipids
https://www.readbyqxmd.com/read/28075154/survivorship-after-meniscal-allograft-transplantation-according-to-articular-cartilage-status
#2
Bum-Sik Lee, Seong-Il Bin, Jong-Min Kim, Won-Kyeong Kim, Jun Weon Choi
BACKGROUND: Clinical outcomes after meniscal allograft transplantation (MAT) in arthritic knees are unclear, and objective estimates of graft survival according to the articular cartilage status have not been performed. HYPOTHESIS: MAT should provide clinical benefits in knees with high-grade cartilage damage, but their graft survivorship should be inferior to that in knees with low-grade chondral degeneration after MAT. STUDY DESIGN: Cohort study; Level of evidence, 3...
January 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28067799/excavatolide-b-attenuates-rheumatoid-arthritis-through-the-inhibition-of-osteoclastogenesis
#3
Yen-You Lin, Yen-Hsuan Jean, Hsin-Pai Lee, Sung-Chun Lin, Chieh-Yu Pan, Wu-Fu Chen, Shu-Fen Wu, Jui-Hsin Su, Kuan-Hao Tsui, Jyh-Horng Sheu, Ping-Jyun Sung, Zhi-Hong Wen
Osteoclasts are multinucleated giant cells of macrophage/monocyte lineage, and cell differentiation with the upregulation of osteoclast-related proteins is believed to play a major role in the destruction of the joints in the course of rheumatoid arthritis (RA). Pro-inflammatory cytokines, such as interleukin-17A (IL-17A) and macrophage colony-stimulating factor (M-CSF), can be overexpressed in RA and lead to osteoclastogenesis. In a previous study, we found that cultured-type soft coral-derived excavatolide B (Exc-B) exhibited anti-inflammatory properties...
January 6, 2017: Marine Drugs
https://www.readbyqxmd.com/read/28066734/the-hip-restoration-algorithm
#4
REVIEW
Allston Julius Stubbs, Halis Atil Atilla
BACKGROUND: Despite the rapid advancement of imaging and arthroscopic techniques about the hip joint, missed diagnoses are still common. As a deep joint and compared to the shoulder and knee joints, localization of hip symptoms is difficult. Hip pathology is not easily isolated and is often related to intra and extra-articular abnormalities. In light of these diagnostic challenges, we recommend an algorithmic approach to effectively diagnoses and treat hip pain. METHODS: In this review, hip pain is evaluated from diagnosis to treatment in a clear decision model...
July 2016: Muscles, Ligaments and Tendons Journal
https://www.readbyqxmd.com/read/28064091/dose-response-characteristics-of-clematis-triterpenoid-saponins-and-clematichinenoside-ar-in-rheumatoid-arthritis-rats-by-liquid-chromatography-mass-spectrometry-based-serum-and-urine-metabolomics
#5
Rui Li, Lin-Xiu Guo, Yi Li, Wen-Qi Chang, Jian-Qun Liu, Li-Fang Liu, Gui-Zhong Xin
Clematidis Radix et Rhizoma is a traditional Chinese medicine widely used for treating arthritic disease. Clematis triterpenoid saponins (TS) and clematichinenoside AR (C-AR) have been considered to be responsible for its antiarthritic effects. However, the underling mechanism is still unclear because of their low bioavailability. To address of this issue, metabolomics tools were performed to determine metabolic variations associated with rheumatoid arthritis (RA) and responses to Clematis TS, C-AR and positive drug (Triptolide, TP) treatments...
December 29, 2016: Journal of Pharmaceutical and Biomedical Analysis
https://www.readbyqxmd.com/read/28063762/isolated-acetabuloplasty-and-labral-repair-for-combined-type-femoroacetabular-impingement-are-we-doing-too-much
#6
Vehniah K Tjong, Mustafa M Gombera, Cynthia A Kahlenberg, Ronak M Patel, Brian Han, Prashant Deshmane, Michael A Terry
PURPOSE: To evaluate patient outcomes after isolated arthroscopic volumetric acetabular osteoplasty and labral repair for the treatment of patients with combined femoroacetabular impingement (FAI) lesions. METHODS: A review of a prospectively collected registry identified 86 patients (106 hips) with an average age of 38.1 years (range, 17-59 years) with combined-type FAI that underwent isolated acetabular osteoplasty and labral repair. Preoperative α-angle, degree of radiographic degenerative changes, and presence of a crossover sign were recorded...
January 4, 2017: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/28056924/anti-arthritic-activity-of-ethanol-extract-of-claoxylon-indicum-on-freund-s-complete-adjuvant-induced-arthritis-in-mice
#7
Yong Chen, Qi-Wen Wang, Jian Zuo, Jian-Wei Chen, Xiang Li
BACKGROUND: Claoxylon indicum Hassk. (Euphorbiaceae), named Diu Le Bang, have functions of dehumidification and relieving swelling pain, and is used as a folk medicine to treat Rheumatoid arthritis (RA), lumbocrural pain and foot edema in the south of China. The aim of the present study was to investigate the anti-arthritic activity of the ethanol extract of Claoxylon indicum (CIE) on mice with adjuvant induced joint arthritis. METHODS: Adjuvant arthritis was induced in mice by subcutaneous injection of complete Freund's adjuvant into the plantar surface of right hind paw...
January 5, 2017: BMC Complementary and Alternative Medicine
https://www.readbyqxmd.com/read/28056922/herbal-formula-xian-fang-huo-ming-yin-regulates-differentiation-of-lymphocytes-and-production-of-pro-inflammatory-cytokines-in-collagen-induced-arthritis-mice
#8
Jinyu Li, Yi Wei, Xue Li, Dashuai Zhu, Bo Nie, Jingwei Zhou, Lixia Lou, Bin Dong, Aiming Wu, Yongzhe Che, Meng Chen, Lingqun Zhu, Mingwei Mu, Limin Chai
BACKGROUND: Xian-Fang-Huo-Ming-Yin (XFHM), a traditional herbal formula, has been used to treat sores and carbuncles for hundreds of years in Asia. Nowadays, its clinical effects in treatment of rheumatoid arthritis (RA) have been validated. In this study, we want to study its possible molecular mechanisms of regulating the differentiation of lymphocytes and production of pro-inflammatory cytokines in collagen-induced arthritis (CIA) mice for RA treatment. METHODS: A high performance liquid chromatography-electrospray ionization/mass spectrometer (HPLC-ESI/MS(n)) system was used to analyze the constituents of XFHM granules...
January 5, 2017: BMC Complementary and Alternative Medicine
https://www.readbyqxmd.com/read/28053253/minimally-invasive-periacetabular-osteotomy-using-a-modified-smith-petersen-approach-technique-and-early-outcomes
#9
O H Khan, A Malviya, P Subramanian, D Agolley, J D Witt
AIMS: Periacetabular osteotomy is an effective way of treating symptomatic hip dysplasia. We describe a new minimally invasive technique using a modification of the Smith-Peterson approach. We performed a prospective, longitudinal cohort study to assess for any compromise in acetabular correction when using this approach, and to see if the procedure would have a higher complication rate than that quoted in the literature for other approaches. We also assessed for any improvement in functional outcome...
January 2017: Bone & Joint Journal
https://www.readbyqxmd.com/read/28049462/new-herbal-composition-oa-f2-protects-cartilage-degeneration-in-a-rat-model-of-collagenase-induced-osteoarthritis
#10
Pallavi S Nirmal, Suresh D Jagtap, Aarti N Narkhede, Bhagyashri E Nagarkar, Abhay M Harsulkar
BACKGROUND: Prevalence of osteoarthritis (OA) is on rise on the global scale. At present there are no satisfactory pharmacological agents for treating OA. Our previous study showed that Sida cordifolia L. and Zingiber officinale Rosc. had protective effect on cartilage. Here, we describe the effect of OA-F2, a herbal formulation prepared using combination of these two plants in alleviating OA associated symptoms in a rat model of collagenase-induced OA. METHODS: OA was induced by intra-articular injection of collagenase type II in wistar rats...
January 3, 2017: BMC Complementary and Alternative Medicine
https://www.readbyqxmd.com/read/28049097/in-vivo-anti-arthritic-efficacy-of-camellia-sinensis-l-in-collagen-induced-arthritis-model
#11
Ankit Tanwar, Raman Chawla, Md Meraj Ansari, Neha, Pallavi Thakur, Ankita Singh Chakotiya, Rajeev Goel, Himanshu Ojha, M Asif, Mitra Basu, Rajesh Arora, Haider Ali Khan
BACKGROUND: Rheumatoid arthritis (RA), an autoimmune inflammatory disorder with synovial hyperplasia, destruction of cartilage, bone damage is often associated with risk of infections. Such risk could be attributed towards usage of immunosuppressive agents. Thus, the present study was undertaken to evaluate the anti-arthritic efficacy of aquo-alcoholic extract of Camellia sinensis (L.). MATERIAL AND METHODS: Dried leaves of Camellia sinensis (L.) or Cs were filtered and extracted in 1:1 aqueous: ethanol by Soxhlet apparatus followed by lyophilization and spray drying to develop amorphous powder...
December 31, 2016: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28042120/correcting-severe-valgus-deformity-taking-out-the-knock
#12
J Lange, S B Haas
Valgus knee deformity can present a number of unique surgical challenges for the total knee arthroplasty (TKA) surgeon. Understanding the typical patterns of bone and soft-tissue pathology in the valgus arthritic knee is critical for appropriate surgical planning. This review aims to provide the knee arthroplasty surgeon with an understanding of surgical management strategies for the treatment of valgus knee arthritis. Lateral femoral and tibial deficiencies, contracted lateral soft tissues, attenuated medial soft tissues, and multiplanar deformities may all be present in the valgus arthritic knee...
January 2017: Bone & Joint Journal
https://www.readbyqxmd.com/read/28041611/the-mechanics-of-focal-chondral-defects-in-the-hip
#13
Brenden J Klennert, Benjamin J Ellis, Travis G Maak, Ashley L Kapron, Jeffrey A Weiss
There is a mean incidence of osteoarthritis (OA) of the hip in 8% of the overall population. In the presence of focal chondral defects, defined as localized damage to the articular cartilage, there is an increased risk of symptomatic progression toward OA. This relationship between chondral defects and subsequent development of OA has led to substantial efforts to develop effective procedures for surgical cartilage repair. This study examined the effects of chondral defects and labral delamination on cartilage mechanics in the dysplastic hip during the gait cycle using subject-specific finite element analysis...
November 29, 2016: Journal of Biomechanics
https://www.readbyqxmd.com/read/28038947/ph-sensitive-polymeric-micelles-for-targeted-delivery-to-inflamed-joints
#14
Chunhong Li, Hanmei Li, Qin Wang, Meiling Zhou, Man Li, Tao Gong, Zhirong Zhang, Xun Sun
Effective treatment for rheumatoid arthritis is hindered by the lack of drugs that selectively target inflamed joints. Liposomes, nanoparticles and conventional micelles loaded with limited amounts of drugs may be unstable in the circulation and result in uncontrolled drug release kinetics. Here we developed a new drug delivery system of pH-sensitive polymeric micelles based on an acid-labile hydrazone bond. Amphiphilic conjugates of a PEG-based derivative and the hydrophobic drug prednisolone (PD) self-assembled into PD micelles with a drug loading of 19...
December 28, 2016: Journal of Controlled Release: Official Journal of the Controlled Release Society
https://www.readbyqxmd.com/read/28028161/cartilage-biomarkers-in-the-osteoarthropathy-of-alkaptonuria-reveal-low-turnover-and-accelerated-ageing
#15
Adam M Taylor, Ming-Feng Hsueh, Lakshminarayan R Ranganath, James A Gallagher, Jane P Dillon, Janet L Huebner, Jon B Catterall, Virginia B Kraus
OBJECTIVE: Alkaptonuria (AKU) is a rare autosomal recessive disease resulting from a single enzyme deficiency in tyrosine metabolism. As a result, homogentisic acid cannot be metabolized, causing systemic increases. Over time, homogentisic acid polymerizes and deposits in collagenous tissues, leading to ochronosis. Typically, this occurs in joint cartilages, leading to an early onset, rapidly progressing osteoarthropathy. The aim of this study was to examine tissue turnover in cartilage affected by ochronosis and its role in disease initiation and progression...
January 2017: Rheumatology
https://www.readbyqxmd.com/read/28027044/evaluation-of-hand-forces-during-a-joint-protection-strategy-for-women-with-hand-osteoarthritis
#16
Corey McGee, Virgil Mathiowetz
OBJECTIVE: We evaluated whether a joint-protection strategy changes the mechanics of opening a sealed jar. METHOD: Thirty-one adult women with hand osteoarthritis attempted to open a "sealed" jar instrument when using and not using nonskid material. Grip force, torque, success, and pain were recorded for each trial. RESULTS: Participants used less grip force when twisting with their left hand. The greatest torque and success, yet the least amount of grip force across time, and pain was noted when the left hand turned the lid, the jar was held vertically, the right hand supported the base, and nonskid material was used...
January 2017: American Journal of Occupational Therapy: Official Publication of the American Occupational Therapy Association
https://www.readbyqxmd.com/read/28017874/factors-influencing-progressive-collapse-of-the-transposed-necrotic-lesion-after-transtrochanteric-anterior-rotational-osteotomy-for-osteonecrosis-of-the-femoral-head
#17
Yusuke Kubo, Goro Motomura, Satoshi Ikemura, Kazuhiko Sonoda, Takuaki Yamamoto, Yasuharu Nakashima
BACKGROUND: Transtrochanteric anterior rotational osteotomy (ARO) for osteonecrosis of the femoral head (ONFH) can preserve for a long-time collapsed femoral head. Progressive collapse of anteriorly-transposed necrotic lesion leads to secondary arthritic changes and clinical failure. Critical factors influencing collapse of the transposed necrotic lesion after ARO remain largely unknown. Therefore we performed a retrospective study of ARO to determine: 1) if pre-operative collapse influences collapse of the transposed necrotic area, 2) if any other factor may influence collapse of the transposed necrotic area...
December 22, 2016: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/28012393/modulatory-effect-of-standardised-amentoflavone-isolated-from-juniperus-communis-l-agianst-freund-s-adjuvant-induced-arthritis-in-rats-histopathological-and-x-ray-anaysis
#18
Souravh Bais, Naveena Abrol, Yash Prashar, Renu Kumari
ETHOPHARMACOLOGIC RELEVANCE: Juniperus communis. L. is a shrub or small evergreen tree, native to Europe, South Asia, and North America, and belongs to family Cupressaceae. It has been used traditionally in unani system and in Swedish medicine as a decoction in inflammatory diseases. The main chemical constituents, which were reported in J. communis L. was α-pinene,, apigenin, sabinene, β-sitosterol, campesterol, limonene, Amentoflavone (AF), cupressuflavone, and many others. AIM: The aim of present study was to isolate the amentoflavone from the plant juniperus communis L...
December 21, 2016: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28007558/aryl-hydrocarbon-receptor-suppresses-the-osteogenesis-of-mesenchymal-stem-cells-in-collagen-induced-arthritic-mice-through-the-inhibition-of-%C3%AE-catenin
#19
Yulong Tong, Menglin Niu, Yuxuan Du, Wentong Mei, Wei Cao, Yunpeng Dou, Haitao Yu, Xiaonan Du, Huihui Yuan, Wenming Zhao
The contributions of aryl hydrocarbon receptor (Ahr) to the pathogenesis of rheumatoid arthritis (RA), particularly bone loss, have not been clearly explored. The imbalance between osteoblasts and osteoclasts is a major reason for bone loss. The dysfunction of osteoblasts, which are derived from mesenchymal stem cells (MSCs), induced bone erosion occurs earlier and is characterized as more insidious. Here, we showed that the nuclear expression and translocation of Ahr were both significantly increased in MSCs from collagen-induced arthritis (CIA) mice...
December 20, 2016: Experimental Cell Research
https://www.readbyqxmd.com/read/28006753/agmatine-ameliorates-adjuvant-induced-arthritis-and-inflammatory-cachexia-in-rats
#20
Brijesh G Taksande, Dinesh Y Gawande, Chandrabhan T Chopde, Milind J Umekar, Nandkishor R Kotagale
The present study investigated the pharmacological effect of agmatine in Complete Freud Adjuvant (CFA) induced arthritis and cachexia in rats. The rats were injected with CFA (0.1ml/rat) to induced symptoms of arthritis. Day 8 onwards of CFA administration, rats were injected daily with agmatine for next 7days, and arthritis score, body weights and food intake were monitored daily (g). Since cachexia is known to produce severe inflammation, malnutrition and inhibition of albumin gene expression, we have also monitored the total proteins, albumin, TNF-α and IL-6 levels in arthritic rats and its modulation by agmatine...
December 19, 2016: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
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