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https://www.readbyqxmd.com/read/28550801/the-nk-1-receptor-antagonist-l-732-138-induces-apoptosis-in-human-gastrointestinal-cancer-cell-lines
#1
Miguel Muñoz, Marisa Rosso, Rafael Coveñas
BACKGROUND: Gastric and colon cancer cells express the neurokinin-1 receptor (NK-1R) and the peptide substance P (SP), after binding to this receptor, elicits the proliferation of gastrointestinal cancer cells and an antiapoptotic effect. In these cells, NK-1R antagonists (L-733,060: a piperidine derivative; aprepitant: a morpholine derivative) block, after binding to the NK-1R, the action of SP and exert an antiproliferative action, both antagonists promote apoptosis and the death of cancer cells...
February 12, 2017: Pharmacological Reports: PR
https://www.readbyqxmd.com/read/28550773/susceptibility-resistance-and-resilience-of-anammox-biomass-to-nanoscale-copper-stress
#2
Zheng-Zhe Zhang, Hai-Yan Hu, Jia-Jia Xu, Zhi-Jian Shi, Yang-Yang Shen, Man-Ling Shi, Ren-Cun Jin
The increasing use of engineered nanoparticles (NPs) poses an emerging challenge to biological wastewater treatment. The long-term impact of CuNPs on anaerobic ammonium oxidation (anammox) process was firstly investigated in this study. The nitrogen removal capacity of anammox reactor was nearly deprived within 30days under the stress of 5.0mgL(-1) CuNPs and the relative abundance of anammox bacteria (Ca. Kuenenia) was decreased from 29.59% to 17.53%. Meanwhile, copper resistance genes associated with the Cus, Cop and Pco systems were enriched to eliminate excess intracellular copper...
May 15, 2017: Bioresource Technology
https://www.readbyqxmd.com/read/28550660/achieving-smoking-cessation-in-individuals-with-schizophrenia-special-considerations
#3
REVIEW
Corinne Cather, Gladys N Pachas, Kristina M Cieslak, A Eden Evins
Premature mortality due to cardiovascular disease in those with schizophrenia is the largest lifespan disparity in the US and is growing; adults in the US with schizophrenia die, on average, 28 years earlier than those in the general population. The rate of smoking prevalence among individuals with schizophrenia is estimated to be from 64 to 79%. Smokers with schizophrenia have historically been excluded from most large nicotine-dependence treatment studies. However, converging evidence indicates that a majority of smokers with schizophrenia want to quit smoking, and that available pharmacotherapeutic smoking cessation aids are well tolerated by this population of smokers and are effective when combined with behavioral treatment...
May 26, 2017: CNS Drugs
https://www.readbyqxmd.com/read/28550637/breaking-bad-the-structure-and-function-of-the-blood-brain-barrier-in-epilepsy
#4
Hadas Han, Aniv Mann, Dana Ekstein, Sara Eyal
Epilepsy is a neurological disease with variable etiology and clinical manifestation, affecting more than 50 million people worldwide. Although the ultimate precipitators of seizures are neurons, it is becoming evident that epileptic activity is associated with changes in the function of other cell types, including those consisting the blood-brain barrier (BBB) and regulating its permeability. The interrelationships between impaired BBB function and epilepsy are complex, as BBB dysfunction may both lead to seizures and be induced by epileptic activity...
May 26, 2017: AAPS Journal
https://www.readbyqxmd.com/read/28550633/the-efficiency-of-the-multi-walled-carbon-nanotubes-used-for-antibiotics-removal-from-wastewaters-generated-by-animal-farms
#5
Maria-Loredana Soran, Ocsana Opriş, Ildikó Lung, Irina Kacso, Alin S Porav, Manuela Stan
In the recent years, residual antibiotics are considered to be emerging environmental pollutants due to their continuous input and persistence into the aquatic ecosystem even at low concentrations. Therefore, these are necessary to develop efficient methods for the wastewater treatment. The present paper describes the efficiency of several types of multi-walled carbon nanotubes (MWCNTs) for the retention of the selected antibiotics (ampicillin, ceftazidime, cefepime, imipenem, piperacillin, tazobactam, tetracycline, erythromycin, ciprofloxacin, norfloxacin, vancomycin, gentamicin, sulfamethoxazole, and thrimetoprim) from aqueous (synthetic) solutions and wastewater samples...
May 27, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28550595/clinical-pharmacokinetics-and-pharmacodynamics-of-colistin
#6
REVIEW
Nicolas Grégoire, Vincent Aranzana-Climent, Sophie Magréault, Sandrine Marchand, William Couet
In this review, we provide an updated summary on colistin pharmacokinetics and pharmacodynamics. Colistin is an old molecule that is frequently used as last-line treatment for infections caused by multidrug-resistant Gram-negative bacteria. Colistin is a decapeptide administered either as a prodrug, colistin methanesulfonate (CMS), when used intravenously, or as colistin sulfate when used orally. Because colistin binds to laboratory materials, many experimental issues are raised and studies on colistin can be tricky...
May 26, 2017: Clinical Pharmacokinetics
https://www.readbyqxmd.com/read/28550464/anti-tumoral-effects-of-somatostatin-analogs-a-lesson-from-the-clarinet-study
#7
M Albertelli, E Nazzari, S Sciallero, F Grillo, S Morbelli, F De Cian, G Cittadini, E Ambrosetti, A Ciarmiello, D Ferone
Octreotide and lanreotide, the first-generation somatostatin analogs, successfully control hormone hyperproduction, and related syndromes, in patients with acromegaly and neuroendocrine tumors. However, their anti-tumor effect, rather evident in large number of pituitary adenomas in acromegalic patients, has been hypothesized for a long time in patients with neuroendocrine tumors as well, although a significant tumor shrinkage has rarely been observed. However, the recent publication of the CLARINET study has strengthened the evidence, already emerged with the PROMID trial, that the long-term treatment with the first-generation long-acting somatostatin analogs may exert an anti-tumor activity on G1 and G2 enteropancreatic neuroendocrine tumors, as well...
May 26, 2017: Journal of Endocrinological Investigation
https://www.readbyqxmd.com/read/28550381/treatment-of-dyslipidemia-using-crispr-cas9-genome-editing
#8
REVIEW
Alexandra C Chadwick, Kiran Musunuru
PURPOSE OF REVIEW: Clustered regularly interspaced short palindromic repeat (CRISPR)/CRISPR-associated 9 (Cas9) has recently emerged as a top genome editing technology and has afforded investigators the ability to more easily study a number of diseases. This review discusses CRISPR/Cas9's advantages and limitations and highlights a few recent reports on genome editing applications for alleviating dyslipidemia through disruption of proprotein convertase subtilisin/kexin type 9 (PCSK9)...
July 2017: Current Atherosclerosis Reports
https://www.readbyqxmd.com/read/28550272/non-alcoholic-fatty-liver-disease-a-chronic-disease-of-the-21-st-century
#9
Metrakos Peter, Nilsson Tommy
Non-alcoholic fatty liver disease (NAFLD) comprises a spectrum of metabolic states ranging from simple steatosis to inflammation with associated fibrosis to cirrhosis. Though accumulation of hepatic fat is not associated with a significant increase in mortality rates, hepatic inflammation is, as this augments the risk of terminal liver disease, i.e., cirrhosis, hepatic decompensation (liver failure) and/or hepatocellular carcinoma. Disease progression is usually slow, over a decade or more and, for the most part, remains asymptomatic...
May 26, 2017: Journal of Biomedical Research
https://www.readbyqxmd.com/read/28550027/exceptional-response-to-nivolumab-and-stereotactic-body-radiation-therapy-sbrt-in-neuroendocrine-cervical-carcinoma-with-high-tumor-mutational-burden-management-considerations-from-the-center-for-personalized-cancer-therapy-at-uc-san-diego-moores-cancer-center
#10
Andrew Sharabi, Sangwoo Shawn Kim, Shumei Kato, Philip D Sanders, Sandip Pravin Patel, Parag Sanghvi, Elizabeth Weihe, Razelle Kurzrock
Neuroendocrine carcinoma of the cervix is an ultra-rare malignancy with a poor prognosis and limited treatment options. Checkpoint blockade immunotherapy has rapidly developed into an emerging standard of care for several common disease types. Interestingly, in preclinical and retrospective clinical data, radiation therapy has been demonstrated to synergize with checkpoint inhibitors. Here we report a patient with metastatic, chemotherapy-refractory neuroendocrine carcinoma who presented with partial bowel obstruction due to a large tumor burden...
May 26, 2017: Oncologist
https://www.readbyqxmd.com/read/28549873/comparison-of-the-recovery-rate-of-otomycosis-using-betadine-and-clotrimazole-topical-treatment
#11
Mohammad Reza Mofatteh, Zahra Naseripour Yazdi, Masoud Yousefi, Mohammad Hasan Namaei
INTRODUCTION: Otomycosis is a common diseases that can be associated with many complications including involvement of the inner ear and mortality in rare cases. Management of otomycosis can be challenging, and requires a close follow-up. Treatment options for otomycosis include local debridement, local and systemic antifungal agents and utilization of topical antiseptics. OBJECTIVE: This study was designed to compare the recovery rate of otomycosis using two therapeutic methods; topical betadine (Povidone-iodine) and clotrimazole...
May 6, 2017: Brazilian Journal of Otorhinolaryngology
https://www.readbyqxmd.com/read/28549842/mitochondrial-dysfunction-and-oxidative-stress-in-corneal-disease
#12
Neeru A Vallabh, Vito Romano, Colin E Willoughby
The cornea is the anterior transparent surface and the main refracting structure of the eye. Mitochondrial dysfunction and oxidative stress are implicated in the pathogenesis of inherited (e.g. Kearns Sayre Syndrome) and acquired corneal diseases (e.g. keratoconus and Fuchs endothelial corneal dystrophy). Both antioxidants and reactive oxygen species are found in the healthy cornea. There is increasing evidence of imbalance in the oxidative balance and mitochondrial function in the cornea in disease states...
May 23, 2017: Mitochondrion
https://www.readbyqxmd.com/read/28549767/treatment-of-del17p-and-or-aberrant-tp53-chronic-lymphocytic-leukemia-in-the-era-of-novel-therapies
#13
REVIEW
Hind Rafei, Mohamed A Kharfan-Dabaja
More effective therapies are emerging, with better toxicity profiles, and are being incorporated into modern treatment algorithms of chronic lymphocytic leukemia at various stages of the disease, including for patients harboring Del17p and/or aberrant TP53. Ibrutinib, an inhibitor of Bruton's tyrosine kinase, has demonstrated impressive response rates in the relapsed/refractory setting, including in the setting of Del17p and/or TP53 mutations. Venetoclax, an inhibitor of BCL-2 known to play an important role in regulating cell death, has been approved recently for treatment of patients with chronic lymphocytic leukemia with Del17p who have received at least one prior therapy...
May 19, 2017: Hematology/oncology and Stem Cell Therapy
https://www.readbyqxmd.com/read/28549676/exposure-response-relationship-of-regorafenib-efficacy-in-patients-with-hepatocellular-carcinoma
#14
Alexander Solms, Isabel Reinecke, Sabine Fiala-Buskies, Anne Keunecke, Henk-Jan Drenth, Jordi Bruix, Gerold Meinhardt, Adriaan Cleton, Bart Ploeger
PURPOSE: To explore the relationship between regorafenib exposure and efficacy in patients with hepatocellular carcinoma (HCC) who had disease progression during sorafenib treatment (RESORCE). METHODS: Exposure-response (ER) analyses for regorafenib were performed using data from a phase 3, randomized, placebo-controlled trial (RESORCE). Patients received 160mg regorafenib or placebo once daily (3weeks on/1week off in a 4-week cycle) with best supportive care until disease progression, death, or unacceptable toxicity...
May 23, 2017: European Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/28549626/cell-biology-metabolic-crosstalk-in-glioma
#15
REVIEW
Alison Colquhoun
The renewed interest in cancer metabolism in recent years has been fuelled by the identification of the involvement of key oncogenes and tumour suppressor genes in the control of metabolic pathways. Many of these alterations lead to dramatic changes in bioenergetics, biosynthesis and redox balance within tumour cells. The complex relationship between tumour cell metabolism and the tumour microenvironment has turned this field of biochemistry and cell biology into a challenging and exciting area for study. In the case of gliomas the involvement of altered metabolic pathways including glycolysis, oxidative phosphorylation and glutaminolysis are pointing the way to new possibilities for treatment...
May 23, 2017: International Journal of Biochemistry & Cell Biology
https://www.readbyqxmd.com/read/28549578/pediatric-out-of-hospital-cardiac-arrest-caused-by-left-coronary-artery-agenesis-with-primary-shockable-rhythm-a-brief-report
#16
Moritz Weigeldt, Sabine Lahmann, Konstantin Krieger, Sebastian Buttenberg, Volker Stephan, Brigitte Stiller, Dirk Stengel
BACKGROUND: To illustrate a rare cause of out-of-hospital cardiac arrest in children, its differential diagnoses, emergency and subsequent treatment at various steps in the rescue chain, and potential outcomes. CASE PRESENTATION: A 4-year-old boy with unknown agenesis of the left coronary ostium sustained out-of-hospital cardiac arrest. Bystander cardio-pulmonary resuscitation was initiated and defibrillation was performed via an automated external defibrillator (AED) shortly after paramedics arrived at the scene, restoring sinus rhythm and spontaneous circulation...
May 11, 2017: American Journal of Emergency Medicine
https://www.readbyqxmd.com/read/28549523/-anesthetic-management-of-a-patient-with-15q-tetrasomy-for-dental-treatment
#17
Yuri Hase, Nobuhito Kemekura, Yukie Nitta, Toshiaki Fujisawa
BACKGROUND AND OBJECTIVES: 15q tetrasomy is a chromosomal abnormality that is a part of the heterogeneous group of extra structurally abnormal chromosomes. This syndrome is characterized by epilepsy, central hypotonia, developmental delay and intellectual disability, and autistic behavior. This is the first report of the anesthetic management of a patient with this syndrome. CASE REPORT: We administered general anesthesia for dental treatment in a patient with 15q tetrasomy...
May 23, 2017: Revista Brasileira de Anestesiologia
https://www.readbyqxmd.com/read/28549183/pain-assessment-recommendations-for-women-made-by-women-a-mixed-methods-study
#18
Geoff P Bostick, Bruce D Dick, Mary Wood, Barbara Luckhurst, Julie Tschofen, Timothy W Wideman
Objective.:  To quantitatively describe women's priorities for pain assessment and qualitatively explain unique features of women's pain experiences. Design.:  Mixed-methods study that included a three-round Delphi study followed by in-depth interviews. Setting. : Clinical research study. Participants.:  Twenty-three women with chronic pain recruited from three women's pain treatment facilities and one interdisciplinary chronic pain clinic...
May 26, 2017: Pain Medicine: the Official Journal of the American Academy of Pain Medicine
https://www.readbyqxmd.com/read/28549097/cluster-of-neisseria-gonorrhoeae-isolates-with-high-level-azithromycin-resistance-and-decreased-ceftriaxone-susceptibility-hawaii-2016
#19
Alan R Katz, Alan Y Komeya, Robert D Kirkcaldy, A Christian Whelen, Olusegun O Soge, John R Papp, Ellen N Kersh, Glenn M Wasserman, Norman P O'Connor, Pamela S O'Brien, Douglas T Sato, Eloisa V Maningas, Gail Y Kunimoto, Juval E Tomas
Background.: The Centers for Disease Control and Prevention (CDC) currently recommends dual therapy with ceftriaxone and azithromycin for gonorrhea to ensure effective treatment and slow emergence of antimicrobial resistance. Since 2013, the prevalence of reduced azithromycin susceptibility increased in the United States; however, these strains were highly susceptible to cephalosporins. We report on a cluster of N. gonorrhoeae isolates demonstrating high-level azithromycin resistance, several of which also demonstrated decreased ceftriaxone susceptibility...
May 26, 2017: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
https://www.readbyqxmd.com/read/28549003/noninvasive-thermometry-in-high-intensity-focused-ultrasound-ablation
#20
Yufeng Zhou
High-intensity focused ultrasound (HIFU) is emerging as an effective and promising treatment modality for the formation of coagulative necrosis inside the cancer/tumor noninvasively. To guarantee the efficacy and efficiency of HIFU ablation, the temperature field and consequent thermal dose should be monitored accurately in a high temporal and spatial resolution in real time. However, because of the significant variations of the tissue properties and deep penetration of HIFU beam, especially in the abdominal application, noninvasive thermometry is a very challenging topic, which may hamper the wide acceptance of HIFU by physicians worldwide...
May 25, 2017: Ultrasound Quarterly
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