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https://www.readbyqxmd.com/read/28823025/nanomedicine-associated-with-photodynamic-therapy-for-glioblastoma-treatment
#1
REVIEW
Leonardo B de Paula, Fernando L Primo, Antonio C Tedesco
Glioblastoma, also known as glioblastoma multiforme (GBM), is the most recurrent and malignant astrocytic glioma found in adults. Biologically, GBMs are highly aggressive tumors that often show diffuse infiltration of the brain parenchyma, making complete surgical resection difficult. GBM is not curable with surgery alone because tumor cells typically invade the surrounding brain, rendering complete resection unsafe. Consequently, present-day therapy for malignant glioma remains a great challenge. The location of the invasive tumor cells presents several barriers to therapeutic delivery...
August 19, 2017: Biophysical Reviews
https://www.readbyqxmd.com/read/28822634/development-and-efficacy-testing-of-a-hollow-awl-that-leads-to-patent-bone-marrow-channels-and-greater-mesenchymal-stem-cell-mobilization-during-bone-marrow-stimulation-cartilage-repair-surgery
#2
Byoung-Hyun Min, Minh-Dung Truong, Hyung Keun Song, Jae Ho Cho, Do Young Park, Heon Ju Kweon, Jun Young Chung
PURPOSE: To investigate whether microfracture with a cannulated hollow awl can yield more patent marrow channels and allow greater mobilization of the reparable cells to the defect compared to the conventional awl with blunt end in human knee joints. METHODS: Patients who were planned for 1-stage bilateral total knee arthroplasty due to degenerative osteoarthritis with well-preserved lateral femoral condylar cartilage were retrospectively included. A 10-mm × 20-mm, rectangular, full-thickness chondral defect was made on the lateral femoral condyle on each knee joint...
August 16, 2017: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/28822233/obese-fathers-lead-to-an-altered-metabolism-and-obesity-in-their-children-in-adulthood-review-of-experimental-and-human-studies
#3
REVIEW
Fernanda Ornellas, Priscila V Carapeto, Carlos A Mandarim-de-Lacerda, Marcia B Aguila
OBJECTIVE: To discuss the recent literature on paternal obesity, focusing on the possible mechanisms of transmission of the phenotypes from the father to the children. SOURCES: A non-systematic review in the PubMed database found few publications in which paternal obesity was implicated in the adverse transmission of characteristics to offspring. Specific articles on epigenetics were also evaluated. As the subject is recent and still controversial, all articles were considered regardless of year of publication...
August 16, 2017: Jornal de Pediatria
https://www.readbyqxmd.com/read/28820963/ketone-body-acetoacetate-buffers-methylglyoxal-via-a-non-enzymatic-conversion-during-diabetic-and-dietary-ketosis
#4
Trine Salomón, Christian Sibbersen, Jakob Hansen, Dieter Britz, Mads Vandsted Svart, Thomas Schmidt Voss, Niels Møller, Niels Gregersen, Karl Anker Jørgensen, Johan Palmfeldt, Thomas Bjørnskov Poulsen, Mogens Johannsen
The α-oxoaldehyde methylglyoxal is a ubiquitous and highly reactive metabolite known to be involved in aging- and diabetes-related diseases. If not detoxified by the endogenous glyoxalase system, it exerts its detrimental effects primarily by reacting with biopolymers such as DNA and proteins. We now demonstrate that during ketosis, another metabolic route is operative via direct non-enzymatic aldol reaction between methylglyoxal and the ketone body acetoacetate, leading to 3-hydroxyhexane-2,5-dione. This novel metabolite is present at a concentration of 10%-20% of the methylglyoxal level in the blood of insulin-starved patients...
August 17, 2017: Cell Chemical Biology
https://www.readbyqxmd.com/read/28819855/multispectral-imaging-analysis-of-circulating-tumor-cells-in-negatively-enriched-peripheral-blood-samples
#5
Brandon Miller, Maryam Lustberg, Thomas A Summers, Jeffrey J Chalmers
A variety of biomarkers are present on cells in peripheral blood of patients with a variety of disorders, including solid tumor malignancies. While rare, characterization of these cells for specific protein levels with the advanced technology proposed, will lead to future validation studies of blood samples as "liquid biopsies" for the evaluation of disease status and therapeutic response. While circulating tumor cells (CTCs) have been isolated in the blood samples of patients with solid tumors, the exact role of CTCs as clinically useful predictive markers is still debated...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28819694/thoracic-corpectomy-for-neoplastic-vertebral-bodies-using-a-navigated-lateral-extracavitary-approach-a-single-center-consecutive-case-series-technique-and-analysis
#6
Sebastian Hartmann, Christoph Wipplinger, Anja Tschugg, Pujan Kavakebi, Alexander Örley, Pierre Pascal Girod, Claudius Thomé
Thoracic myelopathy is often caused by vertebral body fractures resulting from neoplastic conditions, traumatic events, or infectious diseases. One of the preferred procedures for treating it is the lateral extracavitary approach (LECA) with single-level or multilevel decompressive corpectomy and reconstruction. The aim of this retrospective study was to analyze the thoracic lateral extracavitary approach with corpectomy using vertebral body replacement systems (VBR-S) and dorsal reconstruction. Twenty-four patients with metastatic or primary lesions of thoracic vertebrae T2-T12 underwent spinal decompression and ventral column reconstruction with correction of spinal deformity via a LECA...
August 17, 2017: Neurosurgical Review
https://www.readbyqxmd.com/read/28819225/cytochrome-p450-abc-transporter-inhibition-simultaneously-enhances-ivermectin-pharmacokinetics-in-the-mammal-host-and-pharmacodynamics-in-anopheles-gambiae
#7
Carlos J Chaccour, Felix Hammann, Marta Alustiza, Sandra Castejon, Brian B Tarimo, Gloria Abizanda, Ángel Irigoyen Barrio, Helena Martí Soler, Rafael Moncada, José Ignacio Bilbao, Azucena Aldaz, Marta Maia, José Luis Del Pozo
Mass administration of endectocides, drugs that kill blood-feeding arthropods, has been proposed as a complementary strategy to reduce malaria transmission. Ivermectin is one of the leading candidates given its excellent safety profile. Here we provide proof that the effect of ivermectin can be boosted at two different levels by drugs inhibiting the cytochrome or ABC transporter in the mammal host and the target mosquitoes. Using a mini-pig model, we show that drug-mediated cytochrome P450/ABC transporter inhibition results in a 3-fold increase in the time ivermectin remains above mosquito-killing concentrations...
August 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28818274/the-affection-of-the-disturbance-of-the-hydrodynamics-of-blood-in-case-of-stress-on-pathological-increase-of-level-of-low-density-lipoproteins-in-blood-the-formation-of-cylindrical-plaques-and-their-participation-in-the-development-of-acute-ischemic-disorders
#8
S E Rusanov
In this article is given the new insight about the affection of stress on the increase of level of low density lipoproteins (LDL) in the blood, which is connected with the disturbance of hydrodynamics in the bloodstream, the attention was paid to the cylindrical cholesterol plaque, and it's classification. The disturbance of hydrodynamics of blood under the stress leads to the formation of a cylindrical cholesterol plaque, which repeats the contour of the vessel, and leads to the ischemic disorders of the heart and brain...
September 2017: Medical Hypotheses
https://www.readbyqxmd.com/read/28818099/biosemantics-guided-gene-expression-profiling-of-sj%C3%A3-gren-s-syndrome-a-comparative-analysis-with-systemic-lupus-erythematosus-and-rheumatoid-arthritis
#9
Nirav R Shah, Braxton D Noll, Craig B Stevens, Michael T Brennan, Farah B Mougeot, Jean-Luc C Mougeot
BACKGROUND: Sjögren's syndrome (SS) shares many clinical and pathological similarities with systemic lupus erythematosus (SLE) and rheumatoid arthritis (RA). These autoimmune diseases mostly affect women. In this study, concept profile analysis (CPA) and gene expression meta-analysis were used to identify genes potentially involved in SS pathogenesis. METHODS: Human genes associated with SS, SLE, and RA were identified using the CPA tool, Anni 2.1. The differential mRNA expression of genes common to SS and SLE (SS-SLE) was determined in female peripheral blood mononuclear cells (PBMCs) using NCBI-GEO2R...
August 17, 2017: Arthritis Research & Therapy
https://www.readbyqxmd.com/read/28818080/standardized-systemic-phenotypic-analysis-reveals-kidney-dysfunction-as-main-alteration-of-kctd1-i27n-mutant-mice
#10
Sudhir Kumar, Birgit Rathkolb, Sibylle Sabrautzki, Stefan Krebs, Elisabeth Kemter, Lore Becker, Johannes Beckers, Raffi Bekeredjian, Robert Brommage, Julia Calzada-Wack, Lillian Garrett, Sabine M Hölter, Marion Horsch, Martin Klingenspor, Thomas Klopstock, Kristin Moreth, Frauke Neff, Jan Rozman, Helmut Fuchs, Valérie Gailus-Durner, Martin Hrabe de Angelis, Eckhard Wolf, Bernhard Aigner
BACKGROUND: Increased levels of blood plasma urea were used as phenotypic parameter for establishing novel mouse models for kidney diseases on the genetic background of C3H inbred mice in the phenotype-driven Munich ENU mouse mutagenesis project. The phenotypically dominant mutant line HST014 was established and further analyzed. METHODS: Analysis of the causative mutation as well as the standardized, systemic phenotypic analysis of the mutant line was carried out...
August 17, 2017: Journal of Biomedical Science
https://www.readbyqxmd.com/read/28816594/consensus-statement-on-current-and-emerging-methods-for-the-diagnosis-and-evaluation-of-cerebrovascular-disease
#11
Manus J Donahue, Eric Achten, Petrice M Cogswell, Frank-Erik De Leeuw, Colin P Derdeyn, Rick M Dijkhuizen, Audrey P Fan, Rashid Ghaznawi, Jeremy J Heit, M Arfan Ikram, Peter Jezzard, Lori C Jordan, Eric Jouvent, Linda Knutsson, Richard Leigh, David S Liebeskind, Weili Lin, Thomas W Okell, Adnan I Qureshi, Charlotte J Stagg, Matthias Jp van Osch, Peter Cm van Zijl, Jennifer M Watchmaker, Max Wintermark, Ona Wu, Greg Zaharchuk, Jinyuan Zhou, Jeroen Hendrikse
Cerebrovascular disease (CVD) remains a leading cause of death and the leading cause of adult disability in most developed countries. This work summarizes state-of-the-art, and possible future, diagnostic and evaluation approaches in multiple stages of CVD, including (i) visualization of sub-clinical disease processes, (ii) acute stroke theranostics, and (iii) characterization of post-stroke recovery mechanisms. Underlying pathophysiology as it relates to large vessel steno-occlusive disease and the impact of this macrovascular disease on tissue-level viability, hemodynamics (cerebral blood flow, cerebral blood volume, and mean transit time), and metabolism (cerebral metabolic rate of oxygen consumption and pH) are also discussed in the context of emerging neuroimaging protocols with sensitivity to these factors...
January 1, 2017: Journal of Cerebral Blood Flow and Metabolism
https://www.readbyqxmd.com/read/28816556/maternal-mortality-in-the-last-triennium-of-the-millennium-development-goal-era-at-the-obafemi-awolowo-university-teaching-hospitals-complex-ile-ife-nigeria
#12
Ibraheem Olayemi Awowole, Olusegun Olalekan Badejoko, Oluwafemi Kuti, Omotade Adebimpe Ijarotimi, Oluwaseun Oludotun Sowemimo, Ifeoluwa Emmanuel Ogunduyile
The maternal mortality ratio (MMR) of Nigeria remains high. This retrospective study aims to suggest evidence-based strategies towards achieving the sustainable development goal target 3.1 at the Obafemi Awolowo University Teaching Hospital (OAUTHC), Nigeria by providing contemporary data on MMR between October 2012 and September 2015. There were 86 maternal deaths and 5243 live births over the triennium, with annual MMRs of 1744, 1622 and 1512/100,000 live births, respectively. Fifty-six (65.2%) were postpartum deaths, while 44 (51...
August 17, 2017: Journal of Obstetrics and Gynaecology: the Journal of the Institute of Obstetrics and Gynaecology
https://www.readbyqxmd.com/read/28816272/-radical-nephrectomy-and-thrombectomy-for-mayo-clinic-stage-iii-tumor-thrombus-a-surgical-technique-and-clinical-experience
#13
Z Liu, L L Ma, X J Tian, G L Wang, X F Hou, S D Zhang, S H Deng
OBJECTIVE: To evaluate the effectiveness and safety of radical nephrectomy and inferior vena cava thrombectomy in the treatment of patients with Mayo III tumor thrombus, and to introduce our experience and surgical technique. METHODS: The clinical data of 8 patients with Mayo III tumor thrombus from October 2014 to September 2016 were analyzed retrospectively. Of the 8 patients, 3 were male and 5 were female. The average age was (50.8±18.7) years (18 to 77 years)...
August 18, 2017: Beijing da Xue Xue Bao. Yi Xue Ban, Journal of Peking University. Health Sciences
https://www.readbyqxmd.com/read/28816184/early-screening-of-diabetes-and-hypertension-in-primary-care-dental-clinics-at-king-saud-university-in-riyadh-kingdom-of-saudi-arabia
#14
Emad M Hadlaq, Ziyad T Faraj, Fahad M Al Gamdi, Faisal A Al Obathani, Mashael F Abuabat, Kamran H Awan
INTRODUCTION: Diabetes mellitus and hypertension are the leading chronic diseases in Saudi Arabia; 23.1% of the Saudi population are diabetic and 25.5% are hypertensive. This cross-sectional study was made on dental setting to determine the effectiveness of screening of diabetes and hypertension in dental clinics. MATERIALS AND METHODS: This study was carried out in the primary care dental clinics at the Dental College in King Saud University in Riyadh, Saudi Arabia...
August 1, 2017: Journal of Contemporary Dental Practice
https://www.readbyqxmd.com/read/28815805/intracellular-iron-overload-leading-to-dna-damage-of-lymphocytes-and-immune-dysfunction-in-thalassemia-major-patients
#15
Jyoti Shaw, Ayan Chakraborty, Arijit Nag, Arnab Chattopadyay, Anjan Kr Dasgupta, Maitreyee Bhattacharyya
OBJECTIVES: To investigate the cause and effects of intracellular iron overload in lymphocytes of thalassemia major patients. METHODS: 66 thalassemia major patients having iron overload and 10 age matched controls were chosen for the study. Blood sample was collected and serum ferritin, oxidative stress, lymphocyte DNA damage were examined as well as infective episodes were also counted. RESULTS: Case-control analysis revealed significant oxidative stress, iron overload, DNA damage and rate of infections in thalassemia cases as compared to controls...
August 16, 2017: European Journal of Haematology
https://www.readbyqxmd.com/read/28814980/cooperative-effect-of-chidamide-and-chemotherapeutic-drugs-induce-apoptosis-by-dna-damage-accumulation-and-repair-defects-in-acute-myeloid-leukemia-stem-and-progenitor-cells
#16
Yin Li, Yan Wang, Yong Zhou, Jie Li, Kai Chen, Leisi Zhang, Manman Deng, Suqi Deng, Peng Li, Bing Xu
BACKGROUND: Many conventional chemotherapeutic drugs are known to be involved in DNA damage, thus ultimately leading to apoptosis of leukemic cells. However, they fail to completely eliminate leukemia stem cells (LSCs) due to their higher DNA repair capacity of cancer stem cells than that of bulk cancer cells, which becomes the root of drug resistance and leukemia recurrence. A new strategy to eliminate LSCs in acute myeloid leukemia (AML) is therefore urgently needed. RESULTS: We report that a low-dose chidamide, a novel orally active benzamide-type histone deacetylase (HDAC) inhibitor, which selectively targets HDACs 1, 2, 3, and 10, could enhance the cytotoxicity of DNA-damaging agents (daunorubicin, idarubicin, and cytarabine) in CD34(+)CD38(-) KG1α cells, CD34(+)CD38(-) Kasumi cells, and primary refractory or relapsed AML CD34(+) cells, reflected by the inhibition of cell proliferation, induction of apoptosis, and increase of cell cycle arrest in vitro...
2017: Clinical Epigenetics
https://www.readbyqxmd.com/read/28814664/pulmonary-arterial-hypertension-treatment-with-carvedilol-for-heart-failure-a-randomized-controlled-trial
#17
Samar Farha, Didem Saygin, Margaret M Park, Hoi I Cheong, Kewal Asosingh, Suzy Aa Comhair, Olivia R Stephens, Emir C Roach, Jacqueline Sharp, Kristin B Highland, Frank P DiFilippo, Donald R Neumann, W H Wilson Tang, Serpil C Erzurum
BACKGROUND: Right-sided heart failure is the leading cause of death in pulmonary arterial hypertension (PAH). Similar to left heart failure, sympathetic overactivation and β-adrenoreceptor (βAR) abnormalities are found in PAH. Based on successful therapy of left heart failure with β-blockade, the safety and benefits of the nonselective β-blocker/vasodilator carvedilol were evaluated in PAH. METHODS: PAH Treatment with Carvedilol for Heart Failure (PAHTCH) is a single-center, double-blind, randomized, controlled trial...
August 17, 2017: JCI Insight
https://www.readbyqxmd.com/read/28814438/collecting-duct-prorenin-receptor-knockout-reduces-renal-function-increases-na-excretion-and-mitigates-renal-responses-in-angii-induced-hypertensive-mice
#18
Minolfa C Prieto, Virginia Reverte, Mykola Mamenko, Marta Kuczeriska, Luciana C Veiras, Carla B Rosales, Matthew McLellan, Oliver Gentile, V Behrana Jensen, Atsuhiro Ichihara, Alicia A McDonough, Oleh M Pochynyuk, Alexis A Gonzalez
Augmented intratubular angiotensin (ANG) II is a key determinant of enhanced distal Na+ reabsorption via activation of epithelial Na+ channels (ENaC) and other transporters, which leads to the development of high blood pressure (BP). In ANGII-induced hypertension, there is increased expression of the prorenin receptor (PRR) in the collecting duct (CD), which has been implicated in the stimulation of the sodium transporters and resultant hypertension. The impact of PRR deletion along the nephron on BP regulation and Na+ handling remains controversial...
August 16, 2017: American Journal of Physiology. Renal Physiology
https://www.readbyqxmd.com/read/28813782/urea-cycle-pathway-targeted-therapeutic-action-of-naringin-against-ammonium-chloride-induced-hyperammonemic-rats
#19
Arumugam Ramakrishnan, Natesan Vijayakumar
Ammonia is a well-known neurotoxin that causes liver disease and urea cycle disorder. Excessive ammonia content in the blood leads to hyperammonemic condition and affects both excitatory and inhibitory neurotransmission including brain edema and coma. Naringin, a plant bioflavonoid present in various citrus fruits and mainly extracted from the grape fruit. This study was designed to assess the protective effect of naringin on ammonium chloride (NH4Cl) induced hyperammonemic rats. Experimental hyperammonemia was induced by intraperitoneal injections (i...
August 12, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28812930/increasing-colorectal-cancer-screening-at-an-urban-fqhc-using-ifobt-and-patient-navigation
#20
Richard L Martin, Madelaine Tully, Allison Kos, David Frazer, Amy Williamson, Amy Conlon, James J Enser, Noelle K LoConte
INTRODUCTION: Colorectal cancer is the second leading cause of cancer death in the United States. Black Americans suffer even higher incidence and death rates than the general population. Genetics and patient perceptions explain some of this difference, however, modifiable health care system factors such as lack of access to colon cancer screening also contribute. Partnering an academic health center with local community groups, we piloted a colorectal cancer screening program at a Federally Qualified Health Center (FQHC) serving predominately low socioeconomic status Black Americans...
September 2017: Health Promotion Practice
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