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Biological therapy

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https://www.readbyqxmd.com/read/28340487/microrna-4739-regulates-osteogenic-and-adipocytic-differentiation-of-immortalized-human-bone-marrow-stromal-cells-via-targeting-lrp3
#1
Mona Elsafadi, Muthurangan Manikandan, Nehad M Alajez, Rimi Hamam, Raed Abu Dawud, Abdullah Aldahmash, Zafar Iqbal, Musaad Alfayez, Moustapha Kassem, Amer Mahmood
Understanding the regulatory networks underlying lineage differentiation and fate determination of human bone marrow stromal cells (hBMSC) is a prerequisite for their therapeutic use. The goal of the current study was to unravel the novel role of the low-density lipoprotein receptor-related protein 3 (LRP3) in regulating the osteogenic and adipogenic differentiation of immortalized hBMSCs. Gene expression profiling revealed significantly higher LRP3 levels in the highly osteogenic hBMSC clone imCL1 than in the less osteogenic clone imCL2, as well as a significant upregulation of LRP3 during the osteogenic induction of the imCL1 clone...
March 8, 2017: Stem Cell Research
https://www.readbyqxmd.com/read/28340182/novel-targets-and-future-strategies-for-acute-cardioprotection-position-paper-of-the-european-society-of-cardiology-working-group-on-cellular-biology-of-the-heart
#2
Derek J Hausenloy, David Garcia-Dorado, Hans Erik Bøtker, Sean M Davidson, James Downey, Felix B Engel, Robert Jennings, Sandrine Lecour, Jonathan Leor, Rosalinda Madonna, Michel Ovize, Cinzia Perrino, Fabrice Prunier, Rainer Schulz, Joost P G Sluijter, Linda W Van Laake, Jakob Vinten-Johansen, Derek M Yellon, Kirsti Ytrehus, Gerd Heusch, Péter Ferdinandy
Ischaemic heart disease and the heart failure that often results, remain the leading causes of death and disability in Europe and worldwide. As such, in order to prevent heart failure and improve clinical outcomes in patients presenting with an acute ST-segment elevation myocardial infarction and patients undergoing coronary artery bypass graft surgery, novel therapies are required to protect the heart against the detrimental effects of acute ischaemia/reperfusion injury. During the last three decades, a wide variety of ischaemic conditioning strategies and pharmacological treatments have been tested in the clinic - however, their translation from experimental to clinical studies for improving patient outcomes has been both challenging and disappointing...
March 17, 2017: Cardiovascular Research
https://www.readbyqxmd.com/read/28340006/benefit-of-biologics-initiation-in-moderate-versus-severe-rheumatoid-arthritis-evidence-from-a-united-states-registry
#3
Arthur Kavanaugh, Edward Keystone, Jeffrey D Greenberg, George W Reed, Jenny M Griffith, Alan W Friedman, Katherine C Saunders, Arijit Ganguli
Objectives.: To compare clinical outcomes and treatment patterns among patients with moderate vs severe RA following biologic DMARD initiation. Methods.: Biologics-naive patients with moderate to severe RA [Clinical Disease Activity Index (CDAI) >10] who initiated a biologic DMARD were selected from the Corrona registry (2001-13). CDAI, functional status [modified HAQ (mHAQ)] and patterns of drug use were compared at 1 and 2 years post-initiation between patients with moderate (CDAI >10⩽22) vs severe (CDAI >22) baseline disease activity...
March 8, 2017: Rheumatology
https://www.readbyqxmd.com/read/28339788/intravenous-dendritic-cell-administration-enhances-suppression-of-lung-metastasis-induced-by-carbon-ion-irradiation
#4
Ken Ando, Hidetoshi Fujita, Akihiro Hosoi, Liqiu Ma, Masaru Wakatsuki, Ken-Ichiro Seino, Kazuhiro Kakimi, Takashi Imai, Takashi Shimokawa, Takashi Nakano
Carbon-ion radiotherapy (CIRT) is an advanced radiotherapy and has achieved good local control, even in tumors that are resistant to conventional photon beam radiotherapy (PBRT). However, distant metastasis control is an important issue. Recently, the combination of radiotherapy and immunotherapy has attracted the attention. In immunotherapy, dendritic cells (DCs) play a pivotal role in the anti-tumor immune system. However, the mechanisms underlying the combination therapy of DCs and radiotherapy have been unclear...
February 27, 2017: Journal of Radiation Research
https://www.readbyqxmd.com/read/28339768/the-transcription-factor-olig2-is-important-for-the-biology-of-diffuse-intrinsic-pontine-gliomas
#5
Jane L Anderson, Ranjithmenon Muraleedharan, Nicole Oatman, Amanda Klotter, Satarupa Sengupta, Ronald R Waclaw, Jianqiang Wu, Rachid Drissi, Lili Miles, Eric H Raabe, Matthew L Weirauch, Maryam Fouladi, Lionel M Chow, Lindsey Hoffman, Mariko DeWire, Biplab Dasgupta
Background.: Diffuse intrinsic pontine glioma (DIPG) is a high-grade brainstem glioma of children with dismal prognosis. There is no single unifying model about the cell of origin of DIPGs. Proliferating cells in the developing human and mouse pons, the site of DIPGs, express neural stem/progenitor cell (NPC) markers, including Sox2, nestin, vimentin, Olig2, and glial fibrillary acidic protein, in an overlapping and non-overlapping manner, suggesting progenitor cell heterogeneity in the pons...
February 23, 2017: Neuro-oncology
https://www.readbyqxmd.com/read/28339729/how-to-monitor-safety-and-efficacy-of-biologic-treatment-in-rare-therapy-refractory-immune-mediated-inflammatory-diseases-making-the-right-clinical-decisions-for-rare-diseases-with-the-right-tools
#6
https://www.readbyqxmd.com/read/28339632/dosing-down-with-biologic-therapies-a-systematic-review-and-clinicians-perspective
#7
Christopher J Edwards, Bruno Fautrel, Hendrik Schulze-Koops, Tom W J Huizinga, Klaus Kruger
The effectiveness of biologic therapies now means that remission or low disease activity are realistic targets for treatment. However, after achieving remission/low disease activity, the next steps remain unclear. The aim of this publication was to conduct a broad systematic literature review to evaluate dosing down of biologics. After screening papers and abstracts for relevance and application of inclusion/exclusion criteria, a structured extraction process was used to collect information on the included studies...
February 16, 2017: Rheumatology
https://www.readbyqxmd.com/read/28338660/germline-and-somatic-genetics-of-osteosarcoma-connecting-aetiology-biology-and-therapy
#8
REVIEW
D Matthew Gianferante, Lisa Mirabello, Sharon A Savage
Clinical outcomes and treatment modalities for osteosarcoma, the most common primary cancer of bone, have changed very little over the past 30 years. The peak incidence of osteosarcoma occurs during the adolescent growth spurt, which suggests that bone growth and pubertal hormones are important in the aetiology of the disease. Tall stature, high birth weight and certain inherited cancer predisposition syndromes are well-described risk factors for osteosarcoma. Common genetic variants are also associated with osteosarcoma...
March 24, 2017: Nature Reviews. Endocrinology
https://www.readbyqxmd.com/read/28338625/-r-aloesaponol-iii-8-methyl-ether-from-eremurus-persicus-a-novel-compound-against-leishmaniosis
#9
Daniela Rossi, Karzan Mahmood Ahmed, Raffaella Gaggeri, Serena Della Volpe, Lauretta Maggi, Giuseppe Mazzeo, Giovanna Longhi, Sergio Abbate, Federica Corana, Emanuela Martino, Marisa Machado, Raquel Varandas, Maria do Céu Sousa, Simona Collina
Leishmaniosis is a neglected tropical disease which affects several millions of people worldwide. The current drug therapies are expensive and often lack efficacy, mainly due to the development of parasite resistance. Hence, there is an urgent need for new drugs effective against Leishmania infections. As a part of our ongoing study on the phytochemical characterization and biological investigation of plants used in the traditional medicine of western and central Asia, in the present study, we focused on Eremurus persicus root extract in order to evaluate its potential in the treatment of leishmaniosis...
March 24, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28338509/patterns-timing-and-predictors-of-recurrence-following-pancreatectomy-for-pancreatic-ductal-adenocarcinoma
#10
Vincent P Groot, Neda Rezaee, Wenchuan Wu, John L Cameron, Elliot K Fishman, Ralph H Hruban, Matthew J Weiss, Lei Zheng, Christopher L Wolfgang, Jin He
OBJECTIVE: To describe accurately the pattern, timing, and predictors of disease recurrence after a potentially curative resection for pancreatic ductal adenocarcinoma (PDAC). SUMMARY BACKGROUND DATA: After surgery for PDAC, most patients will develop disease recurrence. Understanding the patterns and timing of disease failure can help guide improvements in therapy. METHODS: Patients who underwent pancreatectomy for PDAC at the Johns Hopkins Hospital between 2000 and 2010 were included...
March 23, 2017: Annals of Surgery
https://www.readbyqxmd.com/read/28338285/remote-control-of-cellular-functions-the-role-of-smart-nanomaterials-in-the-medicine-of-the-future
#11
REVIEW
Giada Graziana Genchi, Attilio Marino, Agostina Grillone, Ilaria Pezzini, Gianni Ciofani
The remote control of cellular functions through smart nanomaterials represents a biomanipulation approach with unprecedented potential applications in many fields of medicine, ranging from cancer therapy to tissue engineering. By actively responding to external stimuli, smart nanomaterials act as real nanotransducers able to mediate and/or convert different forms of energy into both physical and chemical cues, fostering specific cell behaviors. This report describes those classes of nanomaterials that have mostly paved the way to a "wireless" control of biological phenomena, focusing the discussion on some examples close to the clinical practice...
March 24, 2017: Advanced Healthcare Materials
https://www.readbyqxmd.com/read/28338103/transreplantation-%C3%A2-an-alternative-for-periodontally-hopeless-teeth
#12
Önder Solakoglu, Andreas Filippi
The periodontal therapy of severely damaged teeth that have advanced bone loss, a significant degree of mobility, and often tooth migration and elongation, frequently exposes the dental clinician to difficult decisions regarding the appropriate therapy for the patient. Extensive rehabilitation, with the replacement of periodontally hopeless teeth, has biologic, prognostic, and financial limitations. A possible alternative in such cases is the transreplantation of periodontally hopeless teeth. Ankylosis of the tooth is induced by appropriate extraoral pretreatment and thus the mobility disappears and the alveolar bone is reformed...
2017: Quintessence International
https://www.readbyqxmd.com/read/28338030/implant-outcomes-poorer-in-patients-with-history-of-periodontal-disease
#13
Analia Veitz-Keenan, James R Keenan
Data sourcesMedline and Embase databases and bibliographies of all included articles and relevant review articles were screened for possible inclusion.Study selectionLongitudinal studies were included reporting on implant survival, success, incidence of peri-implantitis, bone loss and periodontal status and on partially dentate patients with a history of treatment for periodontitis. There were no language restrictions for the included studies.Data extraction and synthesisAuthors independently and in duplicate assessed the studies for eligibility and data extraction...
March 2017: Evidence-based Dentistry
https://www.readbyqxmd.com/read/28338023/implant-maintenance-treatment-and-peri-implant-health
#14
Mark-Steven Howe
Data sourcesMedline (PubMed), Embase, Cochrane Central Register of Controlled Trials and Cochrane Oral Health Group Trials Register databases and a manual search of the Journal of Dental Research, Journal of Clinical Periodontology, Journal of Periodontology and the International Journal of Periodontics and Restorative Dentistry from January 2014 to February 2015.Study selectionProspective, retrospective, randomised or not, case-controlled or case series trials showing the incidence or recurrence of peri-implant disease plus or minus PIMT over more than six months...
March 2017: Evidence-based Dentistry
https://www.readbyqxmd.com/read/28337322/platinum-ii-ring-fused-chlorins-as-near-infrared-emitting-oxygen-sensors-and-photodynamic-agents
#15
Nelson A M Pereira, Mafalda Laranjo, João Casalta-Lopes, Arménio C Serra, Marta Piñeiro, João Pina, J Sérgio Seixas de Melo, Mathias O Senge, M Filomena Botelho, Liliana Martelo, Hugh D Burrows, Teresa M V D Pinho E Melo
Novel near-infrared luminescent compounds based on platinum(II) 4,5,6,7-tetrahydropyrazolo[1,5-a]pyridine-fused chlorins are described. These compounds have high photostability and display light emission, in particular simultaneous fluorescence and phosphorescence emission in solution at room temperature, in the biologically relevant 700-850 nm red and near-infrared (NIR) spectral region, making them excellent materials for biological imaging. The simultaneous presence of fluorescence and phosphorescence emission at room temperature, with the phosphorescence strongly quenched by oxygen whereas fluorescence remains unaffected, allows these compounds to be used as ratiometric oxygen sensors in chemical and biological media...
March 9, 2017: ACS Medicinal Chemistry Letters
https://www.readbyqxmd.com/read/28337319/bifunctional-inhibitors-as-a-new-tool-to-reduce-cancer-cell-invasion-by-impairing-mmp-9-homodimerization
#16
Elisa Nuti, Lea Rosalia, Doretta Cuffaro, Caterina Camodeca, Chiara Giacomelli, Eleonora Da Pozzo, Tiziano Tuccinardi, Barbara Costa, Claudia Antoni, Laura Vera, Lidia Ciccone, Elisabetta Orlandini, Susanna Nencetti, Vincent Dive, Claudia Martini, Enrico A Stura, Armando Rossello
Protein homodimers play important roles in physiological and pathological processes, including cancer invasion and metastasis. Recently, MMP-9 natural homodimerization via the PEX domain has been correlated with high migration rates of aggressive cancer cells. Here we propose that bifunctional MMP-9 inhibitors designed to impair natural MMP-9 homodimerization promoted by PEX-PEX interactions might be an effective tool to fight cancer cell invasion. Elaborating a previously described dimeric hydroxamate inhibitor 1, new ligands were synthesized with different linker lengths and branch points...
March 9, 2017: ACS Medicinal Chemistry Letters
https://www.readbyqxmd.com/read/28337302/different-impairment-of-immune-and-inflammation-functions-in-short-and-long-term-after-ischemic-stroke
#17
Wen-Xing Li, Fei Qi, Jia-Qian Liu, Gong-Hua Li, Shao-Xing Dai, Tao Zhang, Fei Cheng, Dahai Liu, Song Guo Zheng
Ischemic stroke therapy and prognosis outcomes largely depend on the time periods after symptom onset. This study aims to explore the difference of global gene expression profiles and impairment of biological functions between short-term and long-term after stroke onset. We compared three short-term (3 h, 5 h and 24 h) and a long-term (6-month) gene expression levels by a multi-platform microarray data integration method. RankProd was used to calculate the differentially expressed genes between stroke patients and controls...
2017: American Journal of Translational Research
https://www.readbyqxmd.com/read/28337297/protective-effect-of-a-novel-antibody-against-tlr2-on-zymosan-induced-acute-peritonitis-in-nf-%C3%AE%C2%BAb-transgenic-mice
#18
Qingjun Pan, Jun Cai, Yanxia Peng, Haiyan Xiao, Lifang Zhang, Jinying Chen, Huafeng Liu
In addition to antibiotic therapy for treatment of peritonitis, biologics have also been found to exhibit both anti-inflammatory and inflammation-resolving properties. Here, we first developed NF-κB transgenic mice with zymosan-induced acute peritonitis to investigate the effects of a novel anti-Toll-like receptor (TLR)2 antibody (anti-T20). In this mouse model, anti-T20 treatment significantly attenuated the increase of peritoneal NF-κB activity and serum levels of inflammatory cytokines, including monocyte chemoattractant protein (MCP)-1, interleukin (IL)-6 and tumor necrosis factor (TNF)-α, in a dose-dependent manner compared to mice treated with isotype control antibody...
2017: American Journal of Translational Research
https://www.readbyqxmd.com/read/28337236/adalimumab-for-endoscopic-and-histopathological-mucosal-healing-in-paediatric-patients-with-moderate-to-severe-crohn-s-disease
#19
Edyta Szymanska, Maciej Dadalski, Wieslawa Grajkowska, Sylwia Szymanska, Maciej Pronicki, Jaroslaw Kierkus
INTRODUCTION: Deep remission, defined as clinical remission with mucosal healing (MH), with anti-tumor necrosis factor (TNF)-α agents is a new target for therapy in Crohn's disease (CD). Provided that the efficacy of infliximab (IFX) for induction of MH in CD has been demonstrated, there are much less data for adalimumab (ADA), and none concerning MH on histopathological examination. AIM: To assess the impact of biological therapy with ADA on both endoscopic and histopathological MH in paediatric patients with CD...
2017: Przegla̜d Gastroenterologiczny
https://www.readbyqxmd.com/read/28337223/emerging-perspectives-in-scaffold-for-tissue-engineering-in-oral-surgery
#20
REVIEW
Gabriele Ceccarelli, Rossella Presta, Laura Benedetti, Maria Gabriella Cusella De Angelis, Saturnino Marco Lupi, Ruggero Rodriguez Y Baena
Bone regeneration is currently one of the most important and challenging tissue engineering approaches in regenerative medicine. Bone regeneration is a promising approach in dentistry and is considered an ideal clinical strategy in treating diseases, injuries, and defects of the maxillofacial region. Advances in tissue engineering have resulted in the development of innovative scaffold designs, complemented by the progress made in cell-based therapies. In vitro bone regeneration can be achieved by the combination of stem cells, scaffolds, and bioactive factors...
2017: Stem Cells International
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