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https://www.readbyqxmd.com/read/29165475/effect-of-the-water-fraction-isolated-from-fructus-ligustri-lucidi-extract-on-bone-metabolism-via-antagonizing-a-calcium-sensing-receptor-in-experimental-type-1-diabetic-rats
#1
Nan-Nan Sha, Yong-Jian Zhao, Dong-Feng Zhao, Daniel Kam-Wah Mok, Qi Shi, Yong-Jun Wang, Yan Zhang
Our previous studies have demonstrated that the extract of Fructus Ligustri Lucidi (FLL) can maintain in vivo calcium homeostasis in aged and ovariectomized rats. This study was designed to elucidate the action of water fraction isolated from the FLL extract on bone metabolism and a calcium-sensing receptor (CaSR) in parathyroid glands and kidneys of diabetic rats. The streptozotocin-induced diabetic rats were treated with vehicle, FLL extract, and the water fraction (WF) isolated from the FLL extract for 4 weeks...
November 22, 2017: Food & Function
https://www.readbyqxmd.com/read/29165415/-the-potential-of-ectoprosthetics-in-rehabilitation-of-patients-with-orbital-pathology
#2
E N Verigo, I A Filatova, O N Tkachenko
AIM: rectification of indications and contraindications for ectoprosthetics and exploration of its potential as a modern rehabilitation modality. MATERIAL AND METHODS: Here are summarized the results of 89 cases of facial reconstruction with prosthetic means in trauma patients and those who had had congenital or oncological pathology and in whom other methods of rehabilitation were unable to remedy the defect within the orbital region. RESULTS: The indications and contraindications for facial prosthetics as well as the conditions, under which this type of medical and social rehabilitation can be carried out, were clarified...
2017: Vestnik Oftalmologii
https://www.readbyqxmd.com/read/29164284/uncommon-observation-of-bifocal-giant-subchondral-cysts-in-the-hip-diagnostic-role-of-ct-arthrography-and-mri-with-pathological-correlation
#3
Pauline Gonzalez-Espino, Maïté Van Cauter, Louis Gossing, Christine C Galant, Souad Acid, Frederic E Lecouvet
Subchondral cysts (or geodes) are common in osteoarthritis (OA), usually in association with other typical signs, i.e., joint space narrowing, subchondral bone sclerosis, and osteophytosis. However, large lesions without the typical signs of OA or lesions located outside the weight-bearing areas are unusual and may be confused for other conditions, in particular, those of tumoral origin. We report the findings in a 48-year-old man who had been complaining of left buttock pain for 3 years, getting worse over the last year, and an evolutive limited range of motion of the hip...
November 21, 2017: Skeletal Radiology
https://www.readbyqxmd.com/read/29164156/disseminated-mycobacterium-avium-intracellulare-complex-infection-presenting-with-disseminated-intravascular-coagulation-in-an-aids-patient
#4
Folusakin Ayoade, James Cotelingam, Andrew Stevenson Joel Chandranesan
Disseminated Mycobacterium avium-intracellulare complex (MAC) infection is one of the relatively common opportunistic infections seen in severely immunocompromised AIDS patients. A constellation of clinical, laboratory, and pathological features involving multiple organ systems are often present in disseminated MAC infection but disseminated intravascular coagulation (DIC) has not been previously described in association with this condition. To our knowledge, this is the first reported case of DIC complicating disseminated MAC infection in an AIDS patient...
October 2017: Journal of Investigative Medicine High Impact Case Reports
https://www.readbyqxmd.com/read/29163847/a-relative-increase-in-circulating-platelets-following-chemoradiation-predicts-for-poor-survival-of-patients-with-glioblastoma
#5
Keeratikarn Boonyawan, Kenneth R Hess, Jie Yang, Lihong Long, Qianghu Wang, Ravesanker Ezhilarasan, Alessandra Auia, Kristin D Alfaro-Munoz, John F de Groot, Krishna P Bhat, Erik P Sulman
Background: Thrombocytosis is triggered by and promotes tumor growth. The relationship between the change in circulating platelets after chemoradiation therapy (CRT) or adjuvant temozolomide (TMZ) and survival in glioblastoma remains unclear. We hypothesized that an increase in platelets after these treatments would be predictive of a shorter survival. Methods: We retrospectively reviewed data on 122 patients with newly diagnosed, pathologically proven glioblastoma who had been treated with surgery, followed by CRT and adjuvant TMZ, from 2007 to 2016...
October 27, 2017: Oncotarget
https://www.readbyqxmd.com/read/29163541/nucleotide-binding-oligomerization-domain-2-contributes-to-limiting-growth-of-mycobacterium-abscessus-in-the-lung-of-mice-by-regulating-cytokines-and-nitric-oxide-production
#6
Jun-Young Lee, Moo-Seung Lee, Dong-Jae Kim, Soo-Jin Yang, Sang-Jin Lee, Eui-Jeong Noh, Sung Jae Shin, Jong-Hwan Park
Mycobacterium abscessus is a prominent cause of pulmonary infection in immunosuppressed patients and those with cystic fibrosis. Nucleotide-binding oligomerization domain (NOD) 2 is a cytosolic receptor which senses a bacterial peptidoglycan component, muramyl dipeptide (MDP). Although nucleotide-binding oligomerization domain 2 (NOD2) contributes to protect host against various microbial infections, it is still unclear whether NOD2 is essential to regulate host immune responses against M. abscessus infection...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/29163188/elevated-levels-of-peripheral-kynurenine-decrease-bone-strength-in-rats-with-chronic-kidney-disease
#7
Bartlomiej Kalaska, Krystyna Pawlak, Tomasz Domaniewski, Ewa Oksztulska-Kolanek, Beata Znorko, Alicja Roszczenko, Joanna Rogalska, Malgorzata M Brzoska, Pawel Lipowicz, Michal Doroszko, Anna Pryczynicz, Dariusz Pawlak
The diagnosis and treatment of bone disorders in patients with chronic kidney disease (CKD) represent a clinical challenge. CKD leads to mineral and bone complications starting early in the course of renal failure. Recently, we have observed the positive relationship between intensified central kynurenine turnover and bone strength in rats with subtotal 5/6 nephrectomy (5/6 Nx)-induced CKD. The aim of the present study was to determine the association between peripheral kynurenine pathway metabolites and bone strength in rats with 5/6 Nx-induced CKD...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/29163183/pharmacological-therapy-of-osteoporosis-a-systematic-current-review-of-literature
#8
REVIEW
Vito Pavone, Gianluca Testa, Serena M C Giardina, Andrea Vescio, Domenico A Restivo, Giuseppe Sessa
Osteoporosis is the most common bone disease affecting millions of people worldwide, particularly in elderly or in post-menopausal women. The pathogenesis is useful to understand the possible mechanism of action of anti-osteoporotic drugs. Early diagnosis, possible with several laboratory and instrumental tests, allows a major accuracy in the choice of anti-osteoporosis drugs. Treatment of osteoporosis is strictly related to severity of pathology and consists on prevention of fragility fractures with a correct lifestyle and adequate nutritional supplements, and use of pharmacological therapy, started in patients with osteopenia and history of fragility fracture of the hip or spine...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/29163027/mechanisms-of-osteoarthritic-pain-studies-in-humans-and-experimental-models
#9
REVIEW
Annett Eitner, Gunther O Hofmann, Hans-Georg Schaible
Pain due to osteoarthritis (OA) is one of the most frequent causes of chronic pain. However, the mechanisms of OA pain are poorly understood. This review addresses the mechanisms which are thought to be involved in OA pain, derived from studies on pain mechanisms in humans and in experimental models of OA. Three areas will be considered, namely local processes in the joint associated with OA pain, neuronal mechanisms involved in OA pain, and general factors which influence OA pain. Except the cartilage all structures of the joints are innervated by nociceptors...
2017: Frontiers in Molecular Neuroscience
https://www.readbyqxmd.com/read/29162741/nuclear-hyaluronidase-2-drives-alternative-splicing-of-cd44-pre-mrna-to-determine-profibrotic-or-antifibrotic-cell-phenotype
#10
Adam C Midgley, Sebastian Oltean, Vincent Hascall, Emma L Woods, Robert Steadman, Aled O Phillips, Soma Meran
The cell surface protein CD44 is involved in diverse physiological processes, and its aberrant function is linked to various pathologies such as cancer, immune dysregulation, and fibrosis. The diversity of CD44 biological activity is partly conferred by the generation of distinct CD44 isoforms through alternative splicing. We identified an unexpected function for the ubiquitous hyaluronan-degrading enzyme, hyaluronidase 2 (HYAL2), as a regulator of CD44 splicing. Standard CD44 is associated with fibrotic disease, and its production is promoted through serine-arginine-rich (SR) protein-mediated exon exclusion...
November 21, 2017: Science Signaling
https://www.readbyqxmd.com/read/29161180/comparison-of-verdeluz-orange-g-and-modified-gallego-stains
#11
A Kunche, M A Kiresur, A Ananthaneni, V S Guduru, H K Puneeth, B Bagalad
Tumors of the oral cavity include combinations of hard and soft tissues that may be difficult to identify using routine hematoxylin and eosin (H & E) staining. Although combination stains can demonstrate hard and soft tissues, trichrome stains, such as VanGieson and Masson, cannot differentiate dental hard tissues, such as dentin, cementum and osteoid. Modified Gallegos (MGS) and verdeluz orange G-acid fuchsin (VOF) stains can differentiate components of teeth. We used 10 tissue sections of decalcified bone and 10 pathologic tissue sections that contained different calcified tissues including peripheral ossifying fibroma, odontoma, central ossifying fibroma and cemento-ossifying fibroma...
November 21, 2017: Biotechnic & Histochemistry: Official Publication of the Biological Stain Commission
https://www.readbyqxmd.com/read/29160796/role-of-galectin-3-in-bone-cell-differentiation-bone-pathophysiology-and-vascular-osteogenesis
#12
REVIEW
Carla Iacobini, Claudia Blasetti Fantauzzi, Giuseppe Pugliese, Stefano Menini
Galectin-3 is expressed in various tissues, including the bone, where it is considered a marker of chondrogenic and osteogenic cell lineages. Galectin-3 protein was found to be increased in the differentiated chondrocytes of the metaphyseal plate cartilage, where it favors chondrocyte survival and cartilage matrix mineralization. It was also shown to be highly expressed in differentiating osteoblasts and osteoclasts, in concomitance with expression of osteogenic markers and Runt-related transcription factor 2 and with the appearance of a mature phenotype...
November 21, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29160725/management-of-neurologic-deformity-of-the-ankle-and-foot-with-concurrent-osteomyelitis-with-the-ilizarov-method
#13
Nikolay Mikhailovich Kliushin, Anatoliy Sergeyevich Sudnitsyn, Koushik Narayan Subramanyam, Jefferson George
BACKGROUND: The combination of neurologic deformity of the ankle and foot with osteomyelitis is a therapeutic challenge. We investigated the role of Ilizarov with regard to eradication of infection, correction of deformities and improvement of patient function. METHODS: We retrospectively reviewed 77 patients (77 feet) with neurologic deformity of the ankle and foot with osteomyelitis treated sequentially in 3 stages by Ilizarov method. The 3 stages were (1) active debridement and Ilizarov stabilization, (2) further strengthening of Ilizarov fixator and active osteosynthesis consisting of strategies like arthrodesis, osteotomy distraction, bone transport, or combination thereof, (3) consolidation of fusion/regeneration achieved in second stage...
November 1, 2017: Foot & Ankle International
https://www.readbyqxmd.com/read/29159853/the-use-of-cell-conditioned-medium-for-musculoskeletal-tissue-regeneration
#14
REVIEW
Francesca Veronesi, Veronica Borsari, Maria Sartori, Monia Orciani, Monica Mattioli-Belmonte Cima, Milena Fini
Tissue regenerative medicine combines the use of cells, scaffolds and molecules to repair damaged tissues. Different cell types are employed for musculoskeletal diseases, both differentiated and mesenchymal stromal cells (MSCs). In recent years, the hypothesis that cell-based therapy is guided principally by cell-secreted factors has become increasingly popular. The aim of the present literature review was to evaluate preclinical and clinical studies that used conditioned medium (CM), rich in cell-factors, for musculoskeletal regeneration with a cell-free approach...
November 20, 2017: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/29158687/novel-mutation-of-fkbp10-in-a-pediatric-patient-with-osteogenesis-imperfecta-type-xi-identified-by-clinical-exome-sequencing
#15
Harvy Mauricio Velasco, Jessica L Morales
Osteogenesis imperfecta (OI) is a hereditary disease characterized by bone fragility caused by mutations in the proteins that support the formation of the extracellular matrix in the bone. The diagnosis of OI begins with clinical suspicion, from phenotypic findings at birth, low-impact fractures during childhood or family history that may lead to it. However, the variability in the semiology of the disease does not allow establishing an early diagnosis in all cases, and unfortunately, specific clinical data provided by the literature only report 28 patients with OI type XI...
2017: Application of Clinical Genetics
https://www.readbyqxmd.com/read/29157550/imaging-of-radiation-and-medication-related-osteonecrosis
#16
REVIEW
Sanjay M Mallya, Sotirios Tetradis
Osteonecrosis is the devitalization of bone and consequent lytic changes. In the jaws, osteonecrosis is a pathologic consequence of prior radiation therapy (osteoradionecrosis) or certain antiresorptive medications. Herein, we review the pathogenesis and clinical manifestations of these lesions, and describe the spectrum of radiologic findings in these conditions, and highlight the similarities and differences between the imaging appearances of these 2 entities.
January 2018: Radiologic Clinics of North America
https://www.readbyqxmd.com/read/29156164/bone-marrow-aspirate-concentrate-and-its-uses-in-the-foot-and-ankle
#17
REVIEW
James M Cottom, Britton S Plemmons
Bone marrow aspirate has been used for the adjunctive treatment of numerous pathologic conditions in orthopedics. Viable cells are found in aspiration from many different anatomic regions of the body. Concentration of these cells has been shown to improve healing due to the increased number of certain important cells. This article discusses the mechanisms involved and reviews the literature.
January 2018: Clinics in Podiatric Medicine and Surgery
https://www.readbyqxmd.com/read/29155252/3d-visualization-and-pathological-characteristics-of-cartilage-and-subchondral-bone-changes-in-the-lumbar-facet-joint-of-an-ovariectomized-mouse-model
#18
Chunyue Duan, Shuangfei Ni, Yong Cao, Shenghui Liao, Jianzhong Hu, Tianding Wu
BACKGROUD CONTEXT: Low back pain (LBP) is more prevalent among postmenopausal women than men. Ovariectomy (OVX) is an established animal model that mimics the estrogen deficiency of postmenopausal women. Little is known about the 3D morphological properties of cartilage and subchondral bone changes in the lumbar facet joint (LFJ) of an OVX mouse model. PURPOSE: The purpose of this study is to characterize the 3D morphological change of cartilage and subchondral bone in LFJ of an OVX mouse model...
November 15, 2017: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/29155023/therapy-related-myeloid-neoplasm-in-an-18-year-old-boy-with-b-lymphoblastic-leukemia
#19
Xin Qing, Eduard Panosyan, ChangjunYue, Ping Ji, Moran Gotesman, Samuel French, Junchao Cai
BACKGROUND: Acute lymphoblastic leukemia (ALL) is the most common pediatric malignancy. Acute myeloid leukemia or myelodysplastic syndrome during the course of ALL is a rare entity. Some of these cases are therapy-related while the others occur due to lineage switch. The correct diagnosis relies on comparing the immunophenotypes and cytogenetic/molecular alterations of the myeloid neoplasm and the ALL. We present the clinical, pathologic and cytogenetic features of a case of an 18-year-old male with prior treatment for B-lymphoblastic leukemia (B-ALL) who developed therapy-related myeloid neoplasm (t-MN) 4-5years after his initial diagnosis of B-ALL...
November 16, 2017: Experimental and Molecular Pathology
https://www.readbyqxmd.com/read/29151145/pendimethalin-induces-oxidative-stress-dna-damage-and-mitochondrial-dysfunction-to-trigger-apoptosis-in-human-lymphocytes-and-rat-bone-marrow-cells
#20
Sabiha M Ansari, Quaiser Saquib, Sabry M Attia, Eslam M Abdel-Salam, Hend A Alwathnani, Mohammad Faisal, Abdulrahman A Alatar, Abdulaziz A Al-Khedhairy, Javed Musarrat
Pendimethalin (PM) is a dinitroaniline herbicide extensively applied against the annual grasses and broad-leaved weeds. There is no report available on PM-induced low-dose genotoxicity in human primary cells and in vivo test models. Such data gap has prompted us to evaluate the genotoxic potential of PM in human lymphocytes and rats. PM selectively binds in the minor groove of DNA by forming covalent bonds with G and C nitrogenous bases, as well as with the ribose sugar. PM induces micronucleus formation (MN) in human lymphocytes, indicating its clastogenic potential...
November 18, 2017: Histochemistry and Cell Biology
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