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https://www.readbyqxmd.com/read/28931213/a-review-on-the-efficacy-and-toxicity-of-different-doxorubicin-nanoparticles-for-targeted-therapy-in-metastatic-breast-cancer
#1
REVIEW
Ayman Shafei, Wesam El-Bakly, Ahmed Sobhy, Omar Wagdy, Ahmed Reda, Omar Aboelenin, Amr Marzouk, Khalil El Habak, Randa Mostafa, Mahmoud A Ali, Mahmoud Ellithy
In metastatic breast cancer (MBC), the conventional doxorubicin (DOX) has various problems due to lack of selectivity with subsequent therapeutic failure and adverse effects. DOX- induced cardiotoxicity is a major problem that necessitates the presence of new forms to decrease the risk of associated morbidity. Nanoparticles (NPs) are considered an important approach to selectively increase drug accumulation inside tumor cells and thus decreasing the associated side effects. Tumor cells develop resistance to chemotherapeutic agents through multiple mechanisms, one of which is over expression of efflux transporters...
September 16, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28931096/-nutrition-therapy-of-cancer-patients
#2
József Lövey
The majority of cancer patients becomes malnourished during the course of their disease. Malnutrition deteriorates the efficiency of all kinds of oncologic interventions. As a consequence of it, treatment-related toxicity increases, hospital stay is lengthened, chances of cure and survival as well as the quality of life of the patients worsen. Nutritional status therefore influences all aspects of outcome of oncology care. In spite of this the use of nutritional therapy varies across health care providers but its application is far from being sufficient during active oncology interventions as well as rehabilitation and supportive care...
September 20, 2017: Magyar Onkologia
https://www.readbyqxmd.com/read/28931025/the-clinical-and-microbiological-characteristics-of-enteric-fever-in-cambodia-2008-2015
#3
Laura M F Kuijpers, Thong Phe, Chhun H Veng, Kruy Lim, Sovann Ieng, Chun Kham, Nizar Fawal, Laetitia Fabre, Simon Le Hello, Erika Vlieghe, François-Xavier Weill, Jan Jacobs, Willy E Peetermans
BACKGROUND: Enteric fever remains a major public health problem in low resource settings and antibiotic resistance is increasing. In Asia, an increasing proportion of infections is caused by Salmonella enterica serovar Paratyphi A, which for a long time was assumed to cause a milder clinical syndrome compared to Salmonella enterica serovar Typhi. METHODOLOGY: A retrospective chart review study was conducted of 254 unique cases of blood culture confirmed enteric fever who presented at a referral adult hospital in Phnom Penh, Cambodia between 2008 and 2015...
September 20, 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/28930963/role-of-autophagy-and-its-molecular-mechanisms-in-mice-intestinal-tract-after-severe-burn
#4
Duan Y Zhang, Wei Qiu, PeiS Jin, Peng Wang, Yong Sun
BACKGROUND: Severe burn can lead to hypoxia/ischemia of intestinal mucosa. Autophagy is the process of intracellular degradation, which is essential for cell survival under stresses, such as hypoxia/ischemia and nutrient deprivation. The present study was designed to investigate whether there were changes in intestinal autophagy after severe burn in mice and further to explore the effect and molecular mechanisms of autophagy on intestinal injury. METHODS: This study includes three experiments...
October 2017: Journal of Trauma and Acute Care Surgery
https://www.readbyqxmd.com/read/28930912/reducing-elevated-heart-rates-in-patients-with-multiple-organ-dysfunction-syndrome-with-the-if-funny-channel-current-inhibitor-ivabradine
#5
Sebastian Nuding, Jochen Schröder, Peter Presek, Andreas Wienke, Ursula Müller-Werdan, Henning Ebelt, Karl Werdan
INTRODUCTION: A heart rate higher than 90 beats/min indicates an unfavorable prognosis for patients with multiple organ dysfunction syndrome (MODS). We sought to investigate the effect of the pacemaker current (If) inhibitor ivabradine on heart rate, hemodynamics, and disease severity among patients with MODS. MATERIAL AND METHODS: In this prospective, controlled, randomized, open-label, two-arm phase II trial, seventy patients with MODS, a sinus rhythm of at least 90 beats/min, and contraindications to β-blocker therapy were randomly assigned to receive the standard treatment ± ivabradine (5 mg twice daily) for 96 h via the enteral route...
September 19, 2017: Shock
https://www.readbyqxmd.com/read/28930775/phase-i-ii-study-of-s-1-plus-cisplatin-alternating-with-s-1-plus-docetaxel-in-patients-with-advanced-gastric-cancer
#6
Ayumu Hosokawa, Takayuki Ando, Kohei Ogawa, Akira Ueda, Hiroki Yoshita, Hiroshi Mihara, Haruka Fujinami, Shinya Kajiura, Kazuhisa Yabushita, Naoki Horikawa, Yuka Kobayashi, Akira Yoshioka, Hideki Origasa, Toshiro Sugiyama
OBJECTIVES: To investigate the usefulness of S-1 plus cisplatin alternating with S-1 plus docetaxel as first-line treatment in patients with advanced gastric cancer, we conducted a phase I/II study to determine the maximum tolerated dose and recommended dose, and evaluate efficacy and toxicity. MATERIALS AND METHODS: Patients with histologically confirmed unresectable and recurrent gastric cancer were enrolled in this study. Cisplatin was administered on day 1 and the dose escalated by 10 mg/m from a starting dose of 40 mg/m in the phase I part...
September 19, 2017: American Journal of Clinical Oncology
https://www.readbyqxmd.com/read/28930761/factors-associated-with-medical-school-graduates-intention-to-work-with-underserved-populations-policy-implications-for-advancing-workforce-diversity
#7
Andrea N Garcia, Tony Kuo, Lisa Arangua, Eliseo J Pérez-Stable
PURPOSE: Given projected U.S. physician shortages across all specialties that will likely impact underserved areas disproportionately, the authors sought to explore factors most correlated with medical school graduates' intention to work with underserved populations (IWUP). METHOD: Data from the 2010-2012 Association of American Medical Colleges Medical School Graduation Questionnaire (n = 40,846) were analyzed. Variables (demographics, career preference, debt burden, intention to enter loan forgiveness programs) were examined using chi-square tests and logistic regression models...
September 14, 2017: Academic Medicine: Journal of the Association of American Medical Colleges
https://www.readbyqxmd.com/read/28930754/simvastatin-a-novel-stimulator-of-eryptosis-the-suicidal-erythrocyte-death
#8
Abdulla Al Mamun Bhuyan, Sigrid Nüßle, Hang Cao, Shaqiu Zhang, Florian Lang
BACKGROUND/AIMS: The 3-hydroxy-3-methyl-glutaryl-Coenzyme A (HMG-CoA) reductase inhibitor simvastatin has been shown to trigger apoptosis of several cell types. The substance has thus been proposed as an additional treatment of malignancy. Similar to apoptosis of nucleated cells, erythrocytes may enter eryptosis, the suicidal erythrocyte death. Hallmarks of eryptosis include cell shrinkage and cell membrane scrambling with phosphatidylserine translocation to the extracellular face of the erythrocyte cell membrane...
September 20, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28930747/quantification-of-bisoprolol-and-metoprolol-in-simultaneous-human-serum-and-cerebrospinal-fluid-samples
#9
Ali Sigaroudi, Martina Kinzig, Oliver Wahl, Christoph Stelzer, Michael Schroeter, Uwe Fuhr, Ulrike Holzgrabe, Fritz Sörgel
BACKGROUND: Bisoprolol and metoprolol are moderately lipophilic, beta(1)-selective betablockers reported to cause adverse effects in the central nervous system (CNS), such as sleep disturbance, suggesting that both drugs may reach relevant concentrations in the brain. CNS beta(2)-receptor blockade has been suspected to be related to such effects. The higher molecular size of bisoprolol (325 Dalton) and the higher beta(1)-selectivity compared to metoprolol (267 Dalton) would suggest a lower rate of CNS effects...
September 21, 2017: Pharmacology
https://www.readbyqxmd.com/read/28930717/inhibition-of-erythrocyte-cell-membrane-scrambling-by-asp3026
#10
Abdulla Al Mamun Bhuyan, Rosi Bissinger, Hang Cao, Florian Lang
BACKGROUND/AIMS: The anaplastic lymphoma kinase (ALK) inhibitor ASP3026 is in clinical development for the treatment of ALK expressing non-small cell lung carcinoma (NSCLC). ASP3026 is in part effective by inducing apoptosis of tumor cells. Erythrocytes lack mitochondria and nuclei, key organelles in the execution of apoptosis, but are nevertheless able to enter suicidal death or eryptosis, which is characterized by cell membrane scrambling with phosphatidylserine translocation to the cell surface and by cell shrinkage...
September 20, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28930664/aryl-hydrocarbon-receptor-controls-monocyte-differentiation-into-dendritic-cells-versus-macrophages
#11
Christel Goudot, Alice Coillard, Alexandra-Chloé Villani, Paul Gueguen, Adeline Cros, Siranush Sarkizova, Tsing-Lee Tang-Huau, Mylène Bohec, Sylvain Baulande, Nir Hacohen, Sebastian Amigorena, Elodie Segura
After entering tissues, monocytes differentiate into cells that share functional features with either macrophages or dendritic cells (DCs). How monocyte fate is directed toward monocyte-derived macrophages (mo-Macs) or monocyte-derived DCs (mo-DCs) and which transcription factors control these differentiation pathways remains unknown. Using an in vitro culture model yielding human mo-DCs and mo-Macs closely resembling those found in vivo in ascites, we show that IRF4 and MAFB were critical regulators of monocyte differentiation into mo-DCs and mo-Macs, respectively...
September 19, 2017: Immunity
https://www.readbyqxmd.com/read/28930637/sodium-hypochlorite-and-sodium-bromide-individualized-and-stabilized-carbon-nanotubes-in-water
#12
Xuezhu Xu, Jian Zhou, Veronica Colombo, Yangyang Xin, Ran Tao, Gilles Lubineau
Aggregation is a major problem for hydrophobic carbon nanomaterials such as carbon nanotubes (CNTs) in water because it reduces the effective particle concentrations, prevents particles from entering the medium and leads to unstable electronic device performances when a colloidal solution is used. Molecular ligands such as surfactants can help the particles to disperse, but they tend to degrade the electrical properties of CNTs. Therefore, self-dispersed particles without the need for surfactant are highly desirable...
September 20, 2017: Langmuir: the ACS Journal of Surfaces and Colloids
https://www.readbyqxmd.com/read/28930553/fetal-nucleic-acids-in-maternal-plasma-from-biology-to-clinical-translation
#13
Neha Bunkar, Arpit Bhargava, Koel Chaudhury, Radhey Shyam Sharma, Nirmal Kumar Lohiya, Pradyumna Kumar Mishra
Exposure to environmental contaminants during the critical window of pregnancy results in deregulation of highly coordinated genetic and epigenetic mechanisms involved in prenatal growth. Such disturbances significantly alter the fetal programming, and lead to various developmental disorders immediately, over the lifetime, or transgenerationally. During the process of placental development, fetal nucleic acids enter maternal plasma as a result of necrotic, apoptotic, and inflammatory mechanisms. These nucleic acids reflect normal or abnormal ongoing cellular changes during prenatal fetal development...
January 1, 2018: Frontiers in Bioscience (Landmark Edition)
https://www.readbyqxmd.com/read/28930492/time-trends-in-concussion-symptom-presentation-and-assessment-methods-in-high-school-athletes
#14
Dustin W Currie, Matthew J Kraeutler, John B Schrock, Eric C McCarty, R Dawn Comstock
BACKGROUND: Concussion rates have increased significantly over the past decade. This may reflect an increase in the knowledge and diagnosis of the symptoms of a concussion rather than a true increase in the incidence. Assessing trends in the way that concussions are presenting to and being identified by clinicians over the same period may provide additional insight into the apparent rise in concussions. PURPOSE: To evaluate patterns of change in concussion symptom presentation, diagnostic/evaluation methods, and symptom resolution time reported for United States high school athletes from the 2007-2008 through 2014-2015 academic years...
September 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28930221/compounds-from-terminalia-mantaly-l-combretaceae-stem-bark-exhibit-potent-inhibition-against-some-pathogenic-yeasts-and-enzymes-of-metabolic-significance
#15
Marthe Aimée Tchuente Tchuenmogne, Thierry Ngouana Kammalac, Sebastian Gohlke, Rufin Marie Toghueo Kouipou, Abdulselam Aslan, Muslum Kuzu, Veysel Comakli, Ramazan Demirdag, Silvère Augustin Ngouela, Etienne Tsamo, Norbert Sewald, Bruno Ndjakou Lenta, Fabrice Fekam Boyom
Background: Pathogenic yeasts resistance to current drugs emphasizes the need for new, safe, and cost-effective drugs. Also, new inhibitors are needed to control the effects of enzymes that are implicated in metabolic dysfunctions such as cancer, obesity, and epilepsy. Methods: The anti-yeast extract from Terminalia mantaly (Combretaceae) was fractionated and the structures of the isolated compounds established by means of spectroscopic analysis and comparison with literature data. Activity was assessed against Candida albicans, C...
January 24, 2017: Medicines (Basel, Switzerland)
https://www.readbyqxmd.com/read/28930175/sensitive-genotyping-of-foodborne-associated-human-noroviruses-and-hepatitis-a-virus-using-an-array-based-platform
#16
Beatriz Quiñones, Bertram G Lee, Todd J Martinsky, Jaszemyn C Yambao, Paul K Haje, Mark Schena
Human noroviruses (NoV) are the leading cause of human gastroenteritis in populations of all ages and are linked to most of the foodborne outbreaks worldwide. Hepatitis A virus (HAV) is another important foodborne enteric virus and is considered the most common agent causing acute liver disease worldwide. In the present study, a focused, low-density DNA microarray was developed and validated for the simultaneous identification of foodborne-associated genotypes of NoV and HAV. By employing a novel algorithm, capture probes were designed to target variable genomic regions commonly used for typing these foodborne viruses...
September 20, 2017: Sensors
https://www.readbyqxmd.com/read/28930004/enteric-infections-circulating-during-hajj-seasons-2011-2013
#17
Moataz Abd El Ghany, Mona Alsomali, Malak Almasri, Eriko Padron Regalado, Raeece Naeem, AbdulHafeez Tukestani, Abdullah Asiri, Grant A Hill-Cawthorne, Arnab Pain, Ziad A Memish
Hajj, the annual Muslim pilgrimage to Mecca, Saudi Arabia, is a unique mass gathering event that raises public health concerns in the host country and globally. Although gastroenteritis and diarrhea are common among Hajj pilgrims, the microbial etiologies of these infections are unknown. We collected 544 fecal samples from pilgrims with medically attended diarrheal illness from 40 countries during the 2011-2013 Hajj seasons and screened the samples for 16 pathogens commonly associated with diarrheal infections...
October 2017: Emerging Infectious Diseases
https://www.readbyqxmd.com/read/28929961/-national-antimicrobial-resistance-surveillance-system-namrss-external-quality-assessment-studies-2011-2016
#18
Serap Süzük Yıldız, Hüsniye Şimşek, Nilay Çöplü, Zeynep Gülay
Establishment of sustainable and evidence-based surveillance systems are recommended for prevention of microbial resistance by the World Health Organization (WHO). As a necessity of these surveillance systems, participants are recommended to implement an external quality assessment (EQA) program. In this scope, National Antimicrobial Resistance Surveillance System (NARSS) has been established within the Public Health Institute of Turkey (PHIT) in our country since 2011. In the scope of this surveillance, NARSS EQA program has been implemented in a cycle per year and four isolates were sent to participants per cycle every year since 2011...
July 2017: Mikrobiyoloji Bülteni
https://www.readbyqxmd.com/read/28929955/editorial-gene-therapy-for-fanconi-anemia-enters-a-new-clinical-era
#19
EDITORIAL
E Verhoeyen
No abstract text is available yet for this article.
2017: Current Gene Therapy
https://www.readbyqxmd.com/read/28929948/moderately-high-protein-enteral-formula-improved-retinol-binding-protein-in-tube-fed-patients-a-multicentre-open-study
#20
Veeradej Pisprasert, Prapimporn Chattranukulchai Shantavasinkul, Sornwichate Rattanachaiwong, Tanarat Lepananon, Surat Komindr
BACKGROUND: Long-term inadequate dietary consumption may increase the possibility of malnutrition, morbidity and mortality. Enteral nutrition (EN) is a beneficial support that could help to maintain nutritional status and gut function. AIM: Our aim was to evaluate the effect of moderately high-protein enteral formula containing fibre on nutritional status, and its safety. METHOD: A total of 23 tube-feeding-dependent adult patients were included in this multicentre, open-label study...
September 2017: Nutrition and Health
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