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Biological therapy

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https://www.readbyqxmd.com/read/28644953/helping-induced-hpscs-clean-up-their-act
#1
Ho-Chang Jeong, Hyuk-Jin Cha
Inhibition of the tumorigenic potential of human pluripotent stem cells (hPSCs) remains critically important for safe hPSC-based therapy. In this issue of Cell Chemical Biology, Kuang et al. (2017) reveal that the phospho-D-peptide D-3 efficiently induces death of residual hPSCs, but not of differentiated progenies, through high alkaline phosphatase activity in hPSCs.
June 22, 2017: Cell Chemical Biology
https://www.readbyqxmd.com/read/28644820/investigation-of-real-tissue-water-equivalent-path-lengths-using-an-efficient-dose-extinction-method
#2
Rongxiao Zhang, Esther Baer, Kyung-Wook Jee, Gregory C Sharp, Jay Flanz, Hsiao-Ming Lu
For proton therapy, an accurate conversion of CT HU to relative stopping power (RSP) is essential. Validation of the conversion based on real tissue samples is more direct than the current practice solely based on tissue substitutes and can potentially address variations over the population. Based on a novel dose extinction method, we measured water equivalent path lengths (WEPL) on animal tissue samples to evaluate the accuracy of CT HU to RSP conversion and potential variations over a population. A broad proton beam delivered a spread out Bragg peak to the samples sandwiched between a water tank and a 2D ion-chamber detector...
June 23, 2017: Physics in Medicine and Biology
https://www.readbyqxmd.com/read/28644744/add-on-iguratimod-as-a-therapeutic-strategy-to-achieve-remission-in-patients-with-rheumatoid-arthritis-inadequately-responding-to-biological-dmards-a-retrospective-study
#3
Ayaka Yoshikawa, Shuzo Yoshida, Yuko Kimura, Nao Tokai, Yohei Fujiki, Takuya Kotani, Yoko Matsumura, Tohru Takeuchi, Shigeki Makino
OBJECTIVES: In this study, iguratimod (IGU) was added to rheumatoid arthritis (RA) patients inadequately responding to 24-week or longer treatment with biological disease-modifying antirheumatic drug (bDMARDs), its effectiveness was assessed, and factors contributing to remission were evaluated. METHODS: RA patients who fulfilled the following criteria were included: (i) ≥ 24-week of bDMARDs; (ii) 2.6 < disease activity score (DAS) 28-erythrocyte sedimentation rate (ESR) < 5...
June 23, 2017: Modern Rheumatology
https://www.readbyqxmd.com/read/28644430/the-clinical-landscape-for-sma-in-a-new-therapeutic-era
#4
REVIEW
K Talbot, E F Tizzano
Despite significant advances in basic research, the treatment of degenerative diseases of the nervous system remains one of the greatest challenges for translational medicine. The childhood onset motor neuron disorder spinal muscular atrophy (SMA) has been viewed as one of the more tractable targets for molecular therapy, due to a detailed understanding of the molecular genetic basis of the disease. In SMA, inactivating mutations in the SMN1 gene can be partially compensated for by limited expression of SMN protein from a variable number of copies of the SMN2 gene, which provides both a molecular explanation for phenotypic severity and a target for therapy...
June 23, 2017: Gene Therapy
https://www.readbyqxmd.com/read/28644051/brief-overview-of-nanoparticulate-therapy-in-cancer
#5
Rajesh R Wakaskar
Nanoparticles govern an all-important role, in this day and age, in determining the tissue distribution of either hydrophobic or hydrophilic anti-cancer drugs by encapsulating them or by covalent attachment. The whole purpose is to systematically improve upon the existing anti-tumor efficacy of these drugs. Selective delivery of these chemotherapeutic agents to the compromised or diseased tissue is the key to avoid any potential toxicity problems. Certain types of nanoparticles, through various mechanisms such as active targeting or reversing multi-drug resistance, display immense potential in adding to the existing anti-tumor efficacy profile...
June 23, 2017: Journal of Drug Targeting
https://www.readbyqxmd.com/read/28644025/a-mitochondria-targeted-cryptocyanine-based-photothermogenic-photosensitizer
#6
Hyo Sung Jung, Jae Hong Lee, Kyutae Kim, Seyoung Koo, Peter Verwilst, Jonathan L Sessler, Chulhun Kang, Jong Seung Kim
Cryptocyanine-based probes exhibit highly efficient photothermal conversion and represent a new class of photothermal agents for use in photothermal therapy (PTT). With the thermal susceptibility of mitochondria in mind, we have prepared a mitochondria-targeted, NIR-absorbing cryptocyanine probe (Mito-CCy) and evaluated its photophysical properties, photothermal conversion efficiency, biological compatibility, cytotoxicity, and mitochondrial localization in HeLa cells. Upon subjecting 0.5 mL of a PBS buffer solution (10 mM, pH 7...
June 23, 2017: Journal of the American Chemical Society
https://www.readbyqxmd.com/read/28643992/recent-perspectives-of-molecular-aberrations-in-pediatric-high-grade-glioma
#7
Zhengwei Li, Qingzeng Sun, Yingchun Shi
Paediatric high-grade glioma (HGG), including diffuse intrinsic pontine glioma (DIPG) are highly aggressive tumours with no effective cures. Lack of understanding of the molecular biology of these tumours, in part due to lack of well-characterized pre-clinical models, is a great challenge in the development of novel therapies. Recent studies have shown that paediatric HGG short-term cell cultures retain many of the tumour characteristics in vivo and at present one of the best choices for in-vivo experimental studies...
June 22, 2017: Minerva Pediatrica
https://www.readbyqxmd.com/read/28643930/moving-towards-precision-orthodontics-an-evolving-paradigm-shift-in-the-planning-and-delivery-of-customized-orthodontic-therapy
#8
REVIEW
A H Jheon, S Oberoi, R C Solem, S Kapila
Advances in precision medicine portend similar progress in orthodontics and will be increasingly harnessed to achieve customized treatment approaches and enhance treatment efficiencies. Our goal is to provide a background on emerging advances in computer technologies and biomedicine and highlight their current and likely future applications to precision orthodontics. A review of orthodontically relevant technologies and advances in pertinent biological research was undertaken. Innovations in computer hardware and software, and 3D imaging technologies offer the ability for customized treatment and biomechanical planning that will be more fully realized within the next few decades...
June 2017: Orthodontics & Craniofacial Research
https://www.readbyqxmd.com/read/28643915/preface-to-coast-2016-innovators-workshop-on-personalized-and-precision-orthodontic-therapy
#9
J C Nickel, D A Covell, S A Frazier-Bowers, S Kapila, S S Huja, L R Iwasaki
OBJECTIVE: A second focused workshop explored how to transfer novel findings into clinical orthodontic practice. SETTING AND SAMPLE POPULATION: Participants met in West Palm Beach (Florida, USA), on 9-11 September 2016 for the Consortium for Orthodontic Advances in Science and Technology 2016 Innovators' Workshop (COAST). Approximately 65 registered attendees considered and discussed information from 27 to 34 speakers, 8 to 15 poster presenters and four lunch-hour focus group leaders...
June 2017: Orthodontics & Craniofacial Research
https://www.readbyqxmd.com/read/28643510/characterization-of-the-saffron-derivative-crocetin-as-an-inhibitor-of-human-lactate-dehydrogenase-5-in-the-antiglycolytic-approach-against-cancer
#10
Carlotta Granchi, Serena Fortunato, Serena Meini, Flavio Rizzolio, Isabella Caligiuri, Tiziano Tuccinardi, Hyang Yeon Lee, Paul J Hergenrother, Filippo Minutolo
Inhibition of lactate dehydrogenase (LDH) represents an innovative approach to tackle cancer because this peculiar glycolytic metabolism is characteristic of most invasive tumor cells. An investigation into the biological properties of saffron extracts led to the discover of their LDH-inhibition properties. In particular, the most important saffron components, crocetin, was found to inhibit LDH (IC50 = 54.9 ± 4.7 µM). This carotenoid was independently produced by chemical synthesis, and its LDH-inhibition properties manifested via its antiproliferative activity against two glycolytic cancer cell lines (A549 and HeLa, IC50 = 114...
June 23, 2017: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/28643478/critical-role-of-tnf-inhibition-in-combination-therapy-for-elderly-mice-with-atherosclerosis
#11
Kyung-Yeon Park, Tae-Hwe Heo
We have previously shown that the combination of pravastatin and sarpogrelate is synergistically beneficial for atherosclerosis. In this study, we investigated whether the pravastatin-sarpogrelate combination was sufficient for treatment in an old mouse model of atherosclerosis or if additional intervention would be needed to address the newly included aging factor and its complex pathophysiological impact on the atherosclerogenic state. We added an anti-TNF biologic to the combination treatment cocktail because of the known pathologic roles of TNF in the aging process...
June 23, 2017: Cardiovascular Therapeutics
https://www.readbyqxmd.com/read/28643475/tailoring-of-physicochemical-properties-of-nanocarriers-for-effective-anti-cancer-applications
#12
REVIEW
Swaroop Chakraborty, Geethanjali S Dhakshinamurthy, Superb K Misra
Nanotechnology has emerged strongly as a viable option to overcome the challenge of early diagnosis and effective drug delivery, for cancer treatment. Emerging research articles have expounded the advantages of using a specific type of nanomaterial-based system called as "nanocarriers," for anti-cancer therapy. The nanocarrier system is used as a transport unit for targeted drug delivery of the therapeutic drug moiety. In order for the nanocarriers to be effective for anticancer therapy, their physicochemical parameter needs to be tuned so that bio-functionalisation can be achieved to a) allow drugs being attached to the substrate and for their controlled release, b) ensure the stability of the nanocarrier up to the point of delivery, and c) clearance of the nanocarrier after the delivery...
June 23, 2017: Journal of Biomedical Materials Research. Part A
https://www.readbyqxmd.com/read/28643357/nut-carcinoma-in-children-and-adults-a-multicenter-retrospective-study
#13
Lauriane Lemelle, Gaëlle Pierron, Paul Fréneaux, Sophie Huybrechts, Alexandra Spiegel, Dominique Plantaz, Morbize Julieron, Sophie Dumoucel, Antoine Italiano, Fréderic Millot, Christophe Le Tourneau, Guy Leverger, Pascal Chastagner, Matthieu Carton, Daniel Orbach
BACKGROUND: Nuclear protein of the testis (NUT) carcinoma (formerly NUT midline carcinoma) is an aggressive tumor defined by the presence of NUT rearrangement with a poor prognosis. This rare cancer is underdiagnosed and poorly treated. OBJECTIVE: The primary objective of this study was to describe the clinical, radiologic, and biological features of NUT carcinoma. The secondary objective was to describe the various treatments and assess their efficacy. METHODS: This retrospective multicenter study was based on review of the medical records of children and adults with NUT carcinoma with specific rearrangement or positive anti-NUT nuclear staining (>50%)...
June 23, 2017: Pediatric Blood & Cancer
https://www.readbyqxmd.com/read/28643230/crosstalk-between-m2-macrophages-and-glioma-stem-cells
#14
Leora M Nusblat, Molly J Carroll, Charles M Roth
PURPOSE: Given its extremely poor prognosis, there is a pressing need for an improved understanding of the biology of glioblastoma multiforme (GBM), including the roles of tumor subpopulations that may contribute to their growth rate and therapy resistance. The most malignant phenotypes of GBM have been ascribed to the presence of subpopulations of cancer stem cells (CSCs), which are resistant to chemotherapeutic drugs and ionizing radiation and which promote invasiveness and metastasis...
June 22, 2017: Cellular Oncology (Dordrecht)
https://www.readbyqxmd.com/read/28643176/a-promising-tool-in-retina-regeneration-current-perspectives-and-challenges-when-using-mesenchymal-progenitor-stem-cells-in-veterinary-and-human-ophthalmological-applications
#15
REVIEW
Anna Cislo-Pakuluk, Krzysztof Marycz
Visual impairment is a common ailment of the current world population, with more exposure to CCD screens and fluorescent lighting, approximately 285 billion people suffer from this deficiency and 13% of those are considered clinically blind. More common causes for visual impairment include age-related macular degeneration (AMD), glaucoma and diabetic retinopathy (Zhu et al. Molecular Medicine Reports, 2015; Kolb et al. 2007; Machalińska et al. Current Eye Research, 34(9),748-760, 2009) among a few. As cases of retinal and optic nerve diseases rise, it is vital to find a treatment, which has led to investigation of the therapeutic potential of various stem cells types (Bull et al...
June 22, 2017: Stem Cell Reviews
https://www.readbyqxmd.com/read/28643081/distraction-osteogenesis-reconstruction-of-large-segmental-bone-defects-after-primary-tumor-resection-pitfalls-and-benefits
#16
REVIEW
Jan Lesensky, Daniel E Prince
Successful cure is achieved in almost 70% of patients with primary bone sarcomas with currently available therapies. Some soft tissue sarcomas require wide bone resection in order to achieve appropriate margins for cure of disease, and patients undergoing these procedures need durable reconstruction. Biological reconstruction has been shown to provide patients with superior long-term results over other alternatives. Distraction osteogenesis is well studied in the correction of deformities as well as in addressing some congenital musculoskeletal pathologies...
June 22, 2017: European Journal of Orthopaedic Surgery & Traumatology: Orthopédie Traumatologie
https://www.readbyqxmd.com/read/28642604/turning-the-tide-in-myelodysplastic-myeloproliferative-neoplasms
#17
REVIEW
Michael W N Deininger, Jeffrey W Tyner, Eric Solary
Myelodysplastic syndromes/myeloproliferative neoplasms (MDS/MPN) are aggressive myeloid malignancies recognized as a distinct category owing to their unique combination of dysplastic and proliferative features. Although current classification schemes still emphasize morphology and exclusionary criteria, disease-defining somatic mutations and/or germline predisposition alleles are increasingly incorporated into diagnostic algorithms. The developing picture suggests that phenotypes are driven mostly by epigenetic mechanisms that reflect a complex interplay between genotype, physiological processes such as ageing and interactions between malignant haematopoietic cells and the stromal microenvironment of the bone marrow...
June 23, 2017: Nature Reviews. Cancer
https://www.readbyqxmd.com/read/28642245/a-reporter-mouse-model-for-in-vivo-tracing-and-in-vitro-molecular-studies-of-melanocytic-lineage-cells-and-their-diseases
#18
Melissa Crawford, Valerie Leclerc, Lina Dagnino
Alterations in melanocytic lineage cells give rise to a plethora of distinct human diseases, including neurocristopathies, cutaneous pigmentation disorders, loss of vision and hearing, as well as melanoma. Understanding the ontogeny and biology of melanocytic cells, as well as how they interact with their surrounding environment, are key steps in the development of therapies for diseases that involve this cell lineage. Efforts to culture and characterize primary melanocytes from normal or genetically engineered mouse models have at times yielded contrasting observations...
June 22, 2017: Biology Open
https://www.readbyqxmd.com/read/28642115/anti-tnf%C3%AE-therapy-in-inflammatory-lung-diseases-bn
#19
REVIEW
Rama Malaviya, Jeffrey D Laskin, Debra L Laskin
Increased levels of tumor necrosis factor (TNF) α have been linked to a number of pulmonary inflammatory diseases including asthma, chronic obstructive pulmonary disease (COPD), acute lung injury (ALI)/acute respiratory distress syndrome (ARDS), sarcoidosis, and interstitial pulmonary fibrosis (IPF). TNFα plays multiple roles in disease pathology by inducing an accumulation of inflammatory cells, stimulating the generation of inflammatory mediators, and causing oxidative and nitrosative stress, airway hyperresponsiveness and tissue remodeling...
June 19, 2017: Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/28642109/neoaortic-xenoprosthetic-grafts-for-treatment-of-mycotic-aneurysms-and-infected-aortic-grafts
#20
C Anibueze, V Sankaran, U Sadat, K Tan, Y G Wilson, R E Brightwell, M S Delbridge, P W Stather
OBJECTIVE: There is no international consensus regarding the optimum management of infected aortae (mycotic aneurysms, infected aortic grafts). Neoaortoiliac reconstruction has advantages over extra anatomical bypass grafting; however use of autologous vein is associated with venous hypertension and compartment syndrome, alternatively cadaveric homografts are associated with high rates of perianastomotic haemorrhage, limb occlusion and pseudoaneurysm. Arterial repair using xenoprosthetic patches is associated with lower infection rates compared to the use of prosthetic material...
June 19, 2017: Annals of Vascular Surgery
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