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https://www.readbyqxmd.com/read/28945021/-progress-of-new-antidepressant-drugs-development
#1
REVIEW
Xiao Zhang, Jun-Sheng Tian, Huan Liu, Xue-Mei Qin
Depression becomes more and more serious and has been greatly do harm to human's physical and mental health. WHO predicts that depression will become the second leading cause of abnormal death and disability by 2020. There is still the drug treatment as the first-line antidepressive therapy, but the effect of listed antidepressant drugs is not ideal. Therefore, discovery of new antidepressant drug of sunique, higher curative effect, less adverse reaction is the pursuit of pharmaceutical. The traditional Chinese medicine (TCM) of anti-depression and natural antidepressant in currently listed, drug development and drug discovery phase are summarized in this paper, aiming to provide reference for new antidepressant drug research...
January 2017: Zhongguo Zhong Yao za Zhi, Zhongguo Zhongyao Zazhi, China Journal of Chinese Materia Medica
https://www.readbyqxmd.com/read/28944989/the-combination-of-valsartan-and-sacubitril-in-the-treatment-of-hypertension-and-heart-failure-an-update
#2
Peter Munch Nielsen, Daniela Grimm, Markus Wehland, Ulf Simonsen, Marcus Krüger
A novel antihypertensive drug, LCZ696 (Entresto(®) ), has recently been introduced, which combines the action of an antagonist of the renin-angiotensin-aldosterone-system (RAAS), effectively decreasing the blood pressure, with an inhibition of neprilysin, which is responsible for metabolizing natriuretic peptides exerting anti-hypertensive and anti-fibrotic effects. In this MiniReview, we describe the pharmacokinetics and -dynamics, efficacy and side effects of the combined angiotensin receptor antagonist and neprilysin inhibitor LCZ696...
September 25, 2017: Basic & Clinical Pharmacology & Toxicology
https://www.readbyqxmd.com/read/28944742/in-situ-delivery-of-corticosteroids-for-treatment-of-oral-diseases
#3
Viviana De Caro, Flavia Maria Sutera, Libero Italo Giannola
In many mucocutaneous disorders, corticosteroids therapy is currently central. Systemic therapy is restricted to severe disorders whereas topical applications are considered as the first-line treatment. The oral cavity environment, the medication form and other factors related to the delivery method are key factors for the therapy efficiency and effectiveness. Current marketed medications are not able to avoid wrong drug exposure and scarce patients' compliance. Innovative in situ delivery systems are able to prolong the drug retention time on the mucosa and to avoid the drawbacks of conventional formulations...
October 2017: Therapeutic Delivery
https://www.readbyqxmd.com/read/28944669/total-synthesis-of-kanamienamide
#4
Devi Prabhakar Reddy, Ning Zhang, Zhimei Yu, Zhen Wang, Yun He
Kanamienamide is a novel enol ether containing enamide with single digit micromolar inhibitory activity against cancer cell lines. An efficient and convergent total synthesis of kanamienamide has been developed for the first time, which features a Cu-mediated amide coupling with vinyl iodide at the late stage. Other key transformations include Evans asymmetric alkylation, CBS asymmetric reduction, ring-closing metathesis reaction and Stork-Zhao-Wittig olefination. This strategy is amenable for facile analogue preparation and SAR studies...
September 25, 2017: Journal of Organic Chemistry
https://www.readbyqxmd.com/read/28944461/hearing-aids-for-mild-to-moderate-hearing-loss-in-adults
#5
REVIEW
Melanie A Ferguson, Pádraig T Kitterick, Lee Yee Chong, Mark Edmondson-Jones, Fiona Barker, Derek J Hoare
BACKGROUND: The main clinical intervention for mild to moderate hearing loss is the provision of hearing aids. These are routinely offered and fitted to those who seek help for hearing difficulties. By amplifying and improving access to sounds, and speech sounds in particular, the aim of hearing aid use is to reduce the negative consequences of hearing loss and improve participation in everyday life. OBJECTIVES: To evaluate the effects of hearing aids for mild to moderate hearing loss in adults...
September 25, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28944438/personal-exposure-and-health-risk-assessment-of-carbonyls-in-family-cars-and-public-transports-a-comparative-study-in-nanjing-china
#6
Huaizhou Xu, Qin Zhang, Ninghui Song, Min Guo, Shenghu Zhang, Guixiang Ji, Lili Shi
To evaluate passenger health risks associated with inhalation exposure to carbonyl compounds mainly emitted from decoration materials of vehicles, we tested the carbonyl concentrations in interior air of 20 family cars, 6 metro lines, and 5 buses in the city of Nanjing. To assess non-carcinogenic health risks, we compared the data to the health guidelines of China, US Environmental Protection Agency (EPA), and Office of Environmental Health Hazard Assessment (OEHHA), respectively. To assess carcinogenic risks, we followed a standard approach proposed by the OEHHA to calculate lifetime cancer risks (LCR) of formaldehyde and acetaldehyde for various age groups...
September 24, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28944415/nectar-and-oleiferous-trichomes-as-floral-attractants-in-bulbophyllum-saltatorium-lindl-orchidaceae
#7
Małgorzata Stpiczyńska, Bartosz J Płachno, Kevin L Davies
Although many Orchidaceae have deceit flowers that produce no reward, the most common reward, when present, is nectar. Bulbophyllum, however, is unusual in that the labellar secretions of most species investigated to date lack sugars, and, therefore, cannot be considered true nectar. The African species Bulbophyllum saltatorium is an exception in that it produces not only nectar but also possesses specialized, capitate oleiferous trichomes. The nectary of B. saltatorium is borne on the labellum and is represented by a deep, narrow, median longitudinal groove, having a small aperture, and flanked by trichomes...
September 24, 2017: Protoplasma
https://www.readbyqxmd.com/read/28944216/legionella-effector-ankx-disrupts-host-cell-endocytic-recycling-in-a-phosphocholination-dependent-manner
#8
Samual C Allgood, Barbara P Romero Dueñas, Rebecca R Noll, Colleen Pike, Sean Lein, M Ramona Neunuebel
The facultative intracellular bacterium Legionella pneumophila proliferates within amoebae and human alveolar macrophages, and it is the causative agent of Legionnaires' disease, a life-threatening pneumonia. Within host cells, L. pneumophila establishes a replicative haven by delivering numerous effector proteins into the host cytosol, many of which target membrane trafficking by manipulating the function of Rab GTPases. The Legionella effector AnkX is a phosphocholine transferase that covalently modifies host Rab1 and Rab35...
2017: Frontiers in Cellular and Infection Microbiology
https://www.readbyqxmd.com/read/28944183/transaortic-septal-myectomy-techniques-and-pitfalls
#9
REVIEW
Anthony Ralph-Edwards, Rachel D Vanderlaan, Pietro Bajona
Hypertrophic cardiomyopathy (HCM) is the most common congenital cardiac disease, affecting up to 1 in 200 individuals. When it causes left ventricular outflow tract (LVOT) obstruction, treatment is indicated to reduce symptoms and the risk of sudden cardiac death. Pharmacologic therapy is the first line treatment, however if it fails, surgical myectomy or percutaneous ablation of the hypertrophic myocardium are the standard therapies to eliminate subaortic obstruction. Both surgical myectomy and percutaneous ablation have been demonstrated as safe and effective treatments; however, myectomy is the gold standard with a significantly lower complication rate and more complete and longstanding reduction of LVOT obstruction...
July 2017: Annals of Cardiothoracic Surgery
https://www.readbyqxmd.com/read/28944173/hypertrophic-obstructive-cardiomyopathy-the-mayo-clinic-experience
#10
Kunal D Kotkar, Sameh M Said, Joseph A Dearani, Hartzell V Schaff
BACKGROUND: Hypertrophic cardiomyopathy (HCM) is a primary myocardial disease characterized by left ventricular hypertrophy in the absence of other etiologies. Clinical presentation may vary from asymptomatic to sudden cardiac death. Medical treatment is the first-line therapy for symptomatic patients. Extended left ventricular septal myectomy is the procedure of choice if medical treatment is unsuccessful or intolerable. MAYO CLINIC EXPERIENCE: More than 3,000 patients have had septal myectomy for HCM at the Mayo Clinic (MN, USA) from 1993 to 2016...
July 2017: Annals of Cardiothoracic Surgery
https://www.readbyqxmd.com/read/28944166/interculturalism-in-the-post-multicultural-debate-a-defence
#11
Ricard Zapata-Barrero
The main purpose of this article is to formulate a defence of the emerging intercultural policy paradigm for the benefit of those who are still somewhat reluctant to accept its proper place within the current migration-related diversity policy debate. My defence will take two main lines of argumentation: Firstly, I will state that the increasing intensity of the intercultural policy paradigm must be placed in the present-day post-multicultural period, which recognizes the strengths ​​of the multicultural policy paradigm but also the limits to its process for recognizing differences...
2017: Comparative Migration Studies
https://www.readbyqxmd.com/read/28944162/an-update-on-treatment-of-pediatric-chronic-non-infectious-uveitis
#12
Arjun B Sood, Sheila T Angeles-Han
There are no standardized treatment protocols for pediatric non-infectious uveitis. Topical corticosteroids are the typical first-line agent, although systemic corticosteroids are used in intermediate, posterior and panuveitic uveitis. Corticosteroids are not considered to be long-term therapy due to potential ocular and systemic side effects. In children with severe and/or refractory uveitis, timely management with higher dose disease-modifying antirheumatic drugs (DMARDs) and biologic agents is important...
March 2017: Current Treatment Options in Rheumatology
https://www.readbyqxmd.com/read/28943782/the-bsm-ai-project-susy-ai-generalizing-lhc-limits-on-supersymmetry-with-machine-learning
#13
Sascha Caron, Jong Soo Kim, Krzysztof Rolbiecki, Roberto Ruiz de Austri, Bob Stienen
A key research question at the Large Hadron Collider is the test of models of new physics. Testing if a particular parameter set of such a model is excluded by LHC data is a challenge: it requires time consuming generation of scattering events, simulation of the detector response, event reconstruction, cross section calculations and analysis code to test against several hundred signal regions defined by the ATLAS and CMS experiments. In the BSM-AI project we approach this challenge with a new idea. A machine learning tool is devised to predict within a fraction of a millisecond if a model is excluded or not directly from the model parameters...
2017: European Physical Journal. C, Particles and Fields
https://www.readbyqxmd.com/read/28943666/synthesis-and-biological-analysis-of-truncated-calyculone-h
#14
Penagaluri Balasubramanyam, Abimael D Rodríguez
Herein, we report for the first time the design and linear synthesis of a truncated calyculone H (7) that lacks the telltale isopropyl/isopropylene groups, whereas the 12-membered macrocycle remains intact. Key steps for the framework of target molecule include allylic oxidation using SeO2, Sharpless asymmetric epoxidation, Barbier zinc allylation, and ring-closing metathesis (RCM) reactions. A second truncated "calyculone-like" analogue, 27, with a different oxidation pattern around the ring was also synthesized following a similar strategy...
March 2, 2017: Tetrahedron
https://www.readbyqxmd.com/read/28943495/percutaneous-transcatheter-biopsy-for-intracardiac-mass-diagnosis
#15
Gautam Reddy, Elad Maor, Melanie C Bois, Krishnaswamy Chandrasekharan, Charanjit S Rihal, Rick A Nishimura, David R Holmes, Guy S Reeder, Joseph J Maleszewski, Kyle W Klarich
AIMS: The differential diagnosis of intracardiac masses (ICM) is wide. While imaging modalities cansuggest a diagnosis, clinical decision making usually requires histopathologic diagnosis. The aimwas to describe procedural technique, safety outcomes, diagnostic accuracy and clinical utilityof percutaneous transcatheter biopsy (TCB) for histopathologic diagnosis of ICM. The records ofall patients undergoing TCB of ICM at the Mayo Clinic catheterization laboratories in RochesterMinnesota between 2002 and 2017 were retrieved and reviewed...
September 26, 2017: EuroIntervention
https://www.readbyqxmd.com/read/28943437/inhibiting-prenylation-augments-chemotherapy-efficacy-in-renal-cell-carcinoma-through-dual-inhibition-on-mitochondrial-respiration-and-glycolysis
#16
Jiangrong Huang, Xiaoyu Yang, Xiaochun Peng, Wei Huang
Prenylation is a posttranslational lipid modification required for the proper functions of a number of proteins involved in cell regulation. Here, we show that prenylation inhibition is important for renal cell carcinoma (RCC) growth, survival and response to chemotherapy, and its underlying mechanism may be contributed to mitochondrial dysfunction. We first demonstrated that a HMG-CoA reductase inhibitor pitavastatin inhibited mevalonate pathway and thereby prenylation in RCC cells. In addition, pitavastatin is effective in inhibiting growth and inducing apoptosis in a panel of RCC cell lines...
September 21, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28943434/the-role-and-clinical-significance-of-the-cxcl17-cxcr8-gpr35-axis-in-breast-cancer
#17
Ya Jie Guo, Yu Jie Zhou, Xiao Li Yang, Zhi Min Shao, Zhou Luo Ou
BACKGROUND: Chemokine (C-X-C motif) ligand 17 (CXCL17) is the latest member of the chemokine family. However, its function in various cancer types is unknown. The G protein-coupled receptor 35 (GPR35) was identified as the receptor of CXCL17 and named recently as CXCR8. The function of the CXCL17-CXCR8 (GPR35) biological axis in cancer has not been reported. METHODS: The expression of CXCL17 and CXCR8 (GPR35) in breast cancer cell lines and a tissue microarray (TMA) was detected through western blot and immunohistochemistry (IHC)...
September 21, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28943331/impact-of-granulocyte-colony-stimulating-factor-on-bleomycin-induced-pneumonitis-in-chemotherapy-treated-germ-cell-tumors
#18
Edmond M Kwan, Sophie Beck, Eitan Amir, Michael A Jewett, Jeremy F Sturgeon, Lynn Anson-Cartwright, Peter W Chung, Padraig R Warde, Malcolm J Moore, Philippe L Bedard, Ben Tran
OBJECTIVE: To examine the impact of granulocyte-colony stimulating factor (G-CSF) use on the incidence and severity of bleomycin-induced pneumonitis (BIP) in patients with germ cell tumor (GCT) receiving first-line chemotherapy. PATIENTS AND METHODS: Clinical data from our institutional GCT database was complemented by review of radiology, pharmacy, and medical records. All patients receiving first line chemotherapy between January 1, 2000 and December 31, 2010 were included...
September 4, 2017: Clinical Genitourinary Cancer
https://www.readbyqxmd.com/read/28943243/hucmsc-exosome-transported-14-3-3%C3%AE-prevents-the-injury-of-cisplatin-to-hk-2-cells-by-inducing-autophagy-in-vitro
#19
REVIEW
Juanjuan Wang, Haoyuan Jia, Bin Zhang, Lei Yin, Fei Mao, Jing Yu, Cheng Ji, Xiao Xu, Yongmin Yan, Wenrong Xu, Hui Qian
BACKGROUND AIMS: On the basis of previous studies, exosomes secreted by human umbilical cord mesenchymal stromal cell (hucMSC-ex) could prevent and repair acute kidney injury induced by cisplatin in rats. However, its potential mechanism is still unclear. In the present study, the model with hucMSC-ex pretreated human renal tubular epithelial cell lines HK-2 that could prevent the injury of cisplatin was successfully established. METHODS: First, we pretreated the HK-2 cells with hucMSC-ex for 24 h...
September 21, 2017: Cytotherapy
https://www.readbyqxmd.com/read/28943195/diels-alder-mediated-release-of-gemcitabine-from-hybrid-nanoparticles-for-enhanced-pancreatic-cancer-therapy
#20
Adeolu Oluwasanmi, Wejdan Al-Shakarchi, Ayesha Manzur, Mohammed H Aldebasi, Rayan S Elsini, Malek K Albusair, Katherine J Haxton, Anthony D M Curtis, Clare Hoskins
Hybrid nanoparticles (HNPs) have shown huge potential as drug delivery vehicles for pancreatic cancer. Currently, the first line treatment, gemcitabine, is only effective in 23.8% of patients. To improve this, a thermally activated system was developed by introducing a linker between HNPs and gemcitabine. Whereby, heat generation resulting from laser irradiation of the HNPs promoted linker breakdown resulting in prodrug liberation. In vitro evaluation in pancreatic adenocarcinoma cells, showed the prodrug was 4...
September 21, 2017: Journal of Controlled Release: Official Journal of the Controlled Release Society
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