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https://www.readbyqxmd.com/read/28647996/-curative-effects-and-influenced-factors-of-primary-chemotherapy-with-single-agent-methotrexate-on-low-risk-gestational-trophoblastic-neoplasia
#1
X D Wu, L L Chen, T Shen, S S Chen, Q Q Chen, J L Qin, Y F Fu, W G Lü
Objective: To evaluate the efficacy of primary chemotherapy with single-agent methotrexate (MTX) for low-risk gestational trophoblastic neoplasia and to analysis the influenced factors. Methods: We retrospectively reviewed 259 cases with low-risk gestational trophoblastic neoplasia whose primary chemotherapies were MTX 0.4 mg·kg(-1) (maximum 25 mg) daily for 5 days every other week. Patients' data between January 2001 and June 2015 was collected and the relationships of different factors to outcomes of chemotherapy were also evaluated...
June 20, 2017: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/28647942/lungs-in-white-induced-by-docetaxel
#2
Abdulla Watad, Nicola Luigi Bragazzi, Noam Grysman, Hussein Mahagna, Howard Amital
Taxanes are often used in the treatment of many types of cancers. Side effects of docetaxel are not as well documented as paclitaxel, but both can cause pulmonary injury. We present a dramatic case of a patient being treated for prostatic adenocarcinoma with docetaxel who presented with interstitial pneumonitis and responded dramatically to the early treatment with corticosteroids. This case is important as it reveals the side effects of docetaxel administration without administration of other chemotherapeutic agents, and it illustrates the importance of early diagnosis and treatment of docetaxel-induced interstitial pneumonitis...
June 2017: Israel Medical Association Journal: IMAJ
https://www.readbyqxmd.com/read/28647917/novel-endpoints-for-heart-failure-clinical-trials
#3
REVIEW
Carine E Hamo, Mihai Gheorghiade, Javed Butler
PURPOSE OF REVIEW: With the growing prevalence of heart failure, there is a particular need to develop new pharmacologic treatments that can improve outcomes. While there are several approved therapies for heart failure with reduced ejection fraction, there is currently no approved agent for those with preserved ejection fraction. The current review aimed to explore the utility of alternate endpoints to mortality and hospitalization. RECENT FINDINGS: There is increased interest in the use of alternative endpoints such as functional status and quality of life for heart failure drug development to focus on patients feeling better in addition to improving outcomes...
June 24, 2017: Current Heart Failure Reports
https://www.readbyqxmd.com/read/28647882/leaching-of-phthalate-esters-from-different-drinking-stuffs-and-their-subsequent-biodegradation
#4
Muhammad Ali Surhio, Farah N Talpur, Shafi M Nizamani, Marvi Kanwal Talpur, Hassan Imran Afridi, Abid Ali Khaskheli, Shazia Bhurgri, Junaid Ali Surhio
Phthalate esters (PAEs) are mainly used as plasticizers, and their release in the environment during the manufacturing, use, and disposal has caused serious environmental health concerns, since some of them are suspected to be mutagens, hepatotoxic agents, and carcinogens. In the present study, leaching of PAEs from different drinking stuffs (water cooler, mineral water bottles) exposed to sunlight and baby feeders subjected to different heating treatments (boiling, autoclave and oven) was studied. Results showed that a total of 10 PAEs were leached and identified...
June 25, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28647857/ros-modulated-therapeutic-approaches-in-cancer-treatment
#5
REVIEW
Muhammad Hassan Raza, Sami Siraj, Abida Arshad, Usman Waheed, Fahad Aldakheel, Shatha Alduraywish, Muhammad Arshad
PURPOSE: Reactive oxygen species (ROS) are produced in cancer cells as a result of increased metabolic rate, dysfunction of mitochondria, elevated cell signaling, expression of oncogenes and increased peroxisome activities. Certain level of ROS is required by cancer cells, above or below which lead to cytotoxicity in cancer cells. This biochemical aspect can be exploited to develop novel therapeutic agents to preferentially and selectively target cancer cells. METHODS: We searched various electronic databases including PubMed, Web of Science, and Google Scholar for peer-reviewed english-language articles...
June 24, 2017: Journal of Cancer Research and Clinical Oncology
https://www.readbyqxmd.com/read/28647708/relapsing-cerebral-amyloid-angiopathy-related-inflammation-the-wax-and-the-wane
#6
Sharfaraz Salam, Mayooreshan Anandarajah, Sarah Al-Bachari, Piyali Pal, Jonathan Sussman, Hisham Hamdalla
Cerebral amyloid angiopathy-related inflammation (CAA-I) is a rare variant of cerebral amyloid angiopathy (CAA). Its precise pathophysiology remains uncertain and we currently have limited evidence on which immunosuppressive agents are the most effective in its treatment. The disease course of CAA-I disorders can vary from an isolated clinical event to recurrent episodes. We present a case of biopsy-confirmed CAA-I that gives insight into its potential relapsing nature and the challenges of its long-term management...
June 24, 2017: Practical Neurology
https://www.readbyqxmd.com/read/28647672/therapeutic-targeting-of-nuclear-export-inhibition-in-lung-cancer
#7
Arjun Gupta, Jessica M Saltarski, Michael A White, Pier P Scaglioni, David E Gerber
Intracellular compartmentalization and trafficking of molecules plays a critical role in complex and essential cellular processes. In lung cancer and other malignancies, aberrant nucleocytoplasmic transport of tumor suppressor proteins and cell cycle regulators results in tumorigenesis and inactivation of apoptosis. Pharmacologic targeting of this process, termed selective inhibition of nuclear export (SINE), has demonstrated anti-tumor efficacy in preclinical models and human clinical trials. Exportin-1 (XPO1)-which serves as the sole exporter of several tumor suppressor proteins and cell cycle regulators, including retinoblastoma (Rb), adenomatous polyposis coli (APC), p53, p73, p21, p27, FOXO, STAT3, IKB, topoisomerase II and PAR-4-is the principal focus of SINE drug development...
June 21, 2017: Journal of Thoracic Oncology
https://www.readbyqxmd.com/read/28647659/flow-diverters-as-a-useful-adjunct-to-traditional-endovascular-techniques-in-the-treatment-of-direct-carotid-cavernous-fistulas
#8
Christopher S Ogilvy, Rouzbeh Motiei-Langroudi, Mohammad Ghorbani, Christoph J Griessenauer, Abdulrahman Y Alturki, Ajith J Thomas
BACKGROUND: Direct carotid-cavernous sinus fistulas (CCF) are high flow arteriovenous shunts that are typically the result of a severe head injury. The endovascular treatment of these lesions includes the use of detachable balloons, coils, liquid embolic agents, and covered stents. To minimize the chance of treatment failure and subsequent complications, endoluminal reconstruction using a flow-diverting stent may be added to the treatment construct . METHODS: We present 3 cases and review the existing literature...
June 21, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28647651/concomitant-vasopressin-and-hydrocortisone-therapy-on-short-term-hemodynamic-effects-and-vasopressor-requirements-in-refractory-septic-shock
#9
Mitchell S Buckley, Robert MacLaren
PURPOSE: The objective of this study was to evaluate the short-term hemodynamic effects as well as vasopressor requirements with concomitant vasopressin (AVP) and hydrocortisone (HCT) compared to either agent alone in refractory septic shock. MATERIALS AND METHODS: This was a retrospective, cohort study conducted in adult septic shock patients. Patients received continuous infusion AVP at 0.04units/min and/or HCT 200-300mg intravenous daily in divided doses for refractory septic shock...
June 17, 2017: Journal of Critical Care
https://www.readbyqxmd.com/read/28647611/autophagy-suppresses-isoprenaline-induced-m2-macrophage-polarization-via-the-ros-erk-and-mtor-signaling-pathway
#10
Meihua Shan, Junfang Qin, Fengjiao Jin, Xiao Han, Haitao Guan, Xiaoge Li, Jiahui Zhang, Hongyao Zhang, Yue Wang
The objective of this study was to examine the effect of autophagy on stress-induced M2 macrophage polarization in the tumor microenvironment of breast cancer and to determine whether the underlying mechanism was related to the reactive oxygen species (ROS)/ERK and mTOR pathway. In vitro, we found that the basal autophagy level in mouse RAW 264.7 macrophages decreased with the incubation of tumor cell culture supernatant. Similarly, the polarization of RAW 264.7 to M2 macrophages was inhibited by the autophagy inducer rapamycin and increased by the autophagy inhibitor 3-MA or by siBeclin1...
June 21, 2017: Free Radical Biology & Medicine
https://www.readbyqxmd.com/read/28647602/improvement-of-lindane-removal-by-streptomyces-sp-m7-by-using-stable-microemulsions
#11
Juliana Maria Saez, Verena Casillas García, Claudia Susana Benimeli
Lindane is an organochlorine pesticide which persists in the environment and can cause serious health problems due to its chlorinated and hydrophobic nature. Microemulsions are isotropic and macroscopically homogeneous systems with high solubilization capacity of hydrophilic and hydrophobic compounds. The aim of this study was to evaluate the removal of high concentrations of lindane by the actinobacterium Streptomyces sp. M7 in aqueous and soil systems in the presence of stable microemulsions. Three stable microemulsions were successfully formed with Tween 80, 1-pentanol and three vegetable oils...
June 22, 2017: Ecotoxicology and Environmental Safety
https://www.readbyqxmd.com/read/28647589/mannose-conjugated-layered-double-hydroxide-nanocomposite-for-targeted-sirna-delivery-to-enhanced-cancer-therapy
#12
Li Li, Run Zhang, Wenyi Gu, Zhi Ping Xu
Sheet-like layered double hydroxide nanoparticles (LDH NPs) have showed great potentials in biomedical applications such as nanocarriers for drug and gene delivery, biosensors and imaging agents. However, target delivery of drugs and genes using LDH NPs to the desired tumor sites is a major challenge in cancer therapy. The aim of this study is to develop a functional LDH-based nanocomposite for target delivery of siRNA to cancer cells. Mannose as a targeting moiety was firstly conjugated onto SiO2-coated LDH nanocomposite...
June 21, 2017: Nanomedicine: Nanotechnology, Biology, and Medicine
https://www.readbyqxmd.com/read/28647521/heterotopic-ossification-of-the-peroneus-brevis-tendon-in-a-pediatric-patient
#13
Karan Dua, James M Barsi
Heterotopic ossification (HO) is abnormal formation of mature lamellar bone in soft tissues. HO is most commonly diagnosed in the setting of localized trauma, which results in improper differentiation of progenitor cells, leading to aberrant tissue formation. In the pediatric population, nongenetic causes of HO have rarely been reported, especially HO involving the tendons of the ankle. We present a case of HO of the peroneus brevis tendon without systemic disease in a pediatric patient. The patient was a 7-year-old female with a normal birth and developmental history who first presented 6 weeks after a right ankle sprain with pain localized to the lateral calcaneus...
June 21, 2017: Journal of Foot and Ankle Surgery: Official Publication of the American College of Foot and Ankle Surgeons
https://www.readbyqxmd.com/read/28647508/fingerprint-efficacy-study-of-the-quaternary-alkaloids-in-corydalis-yanhusuo
#14
Qiuyue Li, Huanyu Guan, Xiaoming Wang, Yang He, Hong Sun, Wenting Tan, Xiaomei Luo, Meifeng Su, Yue Shi
ETHNOPHARMACOLOGICAL RELEVANCE: Corydalis yanhusuo is a well-known Chinese herbal medicine that is commonly applied as an analgesic agent in clinic using for thousands of years. Resent research showed that the quaternary ammonium alkaloids from Corydalis yanhusuo have a significant effect on myocardial ischemia. However, the corresponding anti-myocardial ischemia components that represent the efficacy of the quaternary ammonium alkaloids have not been elucidated. AIM OF THE STUDY: Explore the anti-myocardial ischemia components of Corydalis yanhusuo and develop a method of quality control for Corydalis yanhusuo...
June 21, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/28647470/bcl2-a-promising-cancer-therapeutic-target
#15
REVIEW
Gudapureddy Radha, Sathees C Raghavan
A remarkable characteristic of majority of cancer cells is that, they fail to undergo apoptosis, which in turn confers them a survival advantage over normal cells. Targeted cancer therapy aims at disrupting the functions of proteins that play an important role during cancer progression. Antiapoptotic protein, BCL2, is one such protein that is highly upregulated in many cancers as compared to normal cells, making it an ideal target for cancer therapy. Although, several BCL2 targeting agents have been investigated over the past 30years, very few have exhibited any clinical significance...
June 21, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28647443/dermal-and-transdermal-delivery-of-pharmaceutically-relevant-macromolecules
#16
REVIEW
S Münch, J Wohlrab, R H H Neubert
The skin offers an attractive way for dermal and transdermal drug delivery that is why the drug still needs certain qualities to transcend the outermost layer of the skin, the stratum corneum. The requirements are: drugs with a maximum molecular weight of 1kDa, high lipophilicity and a certain polarity. This would restrict the use of a transdermal delivery of macromolecules, which would make the drug more effective in therapeutic administration. Various studies have shown that macromolecules without support do not penetrate the human skin...
June 21, 2017: European Journal of Pharmaceutics and Biopharmaceutics
https://www.readbyqxmd.com/read/28647427/first-molecular-detection-of-leishmania-infantum-in-sergentomyia-minuta-diptera-psychodidae-in-alentejo-southern-portugal
#17
S Pereira, D Pita-Pereira, T Araujo-Pereira, C Britto, T Costa-Rego, J Ferrolho, M Vilhena, E F Rangel, M L Vilela, M O Afonso
Protozoan parasites, such as Leishmania spp., are the causative agents of many insect-borne infectious diseases with medical and veterinary importance. Leishmaniasis, caused by Leishmania spp., is transmitted by female phlebotomine sand flies. In the Alentejo region of Portugal, located at the north of Algarve, cases of human and canine leishmaniasis caused by Leishmania infantum have been notified. However, no recent studies regarding the sand fly fauna in the region are available. We therefore aimed to explore the phlebotomine sand fly species found in both, Évora and Beja Districts, to gain an insight about the leishmaniasis epidemiology in these areas...
June 21, 2017: Acta Tropica
https://www.readbyqxmd.com/read/28647412/real-world-data-to-assess-changes-in-low-density-lipoprotein-cholesterol-and-predicted-cardiovascular-risk-after-ezetimibe-discontinuation-post-reporting-of-the-ezetimibe-and-simvastatin-in-hypercholesterolemia-enhances-atherosclerosis-regression-trial
#18
Harold E Bays, Mehul D Patel, Panagiotis Mavros, Dena R Ramey, Joanne E Tomassini, Andrew M Tershakovec, Carl A Baxter
BACKGROUND: The 2008 Ezetimibe and Simvastatin in Hypercholesterolemia Enhances Atherosclerosis Regression (ENHANCE) study demonstrated ezetimibe + simvastatin vs simvastatin alone had a neutral effect on the surrogate endpoint of carotid intima-media thickness. Subsequent media portrayal of the study prompted ezetimibe discontinuation in many patients. OBJECTIVE: The objective of the study was to assess the impact of ENHANCE reporting on ezetimibe discontinuation, low-density lipoprotein cholesterol (LDL-C) changes, and potential cardiovascular disease (CVD) risk...
May 8, 2017: Journal of Clinical Lipidology
https://www.readbyqxmd.com/read/28647362/farnesoid-x-receptor-agonist-gw4064-ameliorates-lipopolysaccharide-induced-ileocolitis-through-tlr4-myd88-pathway-related-mitochondrial-dysfunction-in-mice
#19
Hsuan-Miao Liu, Jyh-Fe Liao, Tzung-Yan Lee
Inflammatory bowel disease (IBD) is a complex and relapsing inflammatory condition of the gastro intestinal tract characterized by diarrhea and abdominal pain. Farnesoid X receptor (FXR) plays an important role in enteroprotection and mucosal injury by regulating inflammatory responses and barrier function in the intestinal tract. Here we show the mechanisms of FXR agonist, GW4064, inhibits mucosal injury in ileum caused by lipopolysaccharides (LPS). Ileum injury was induced by intraperitoneal injection of LPS in Wild-type (WT) and FXR knockout (KO) mice...
June 21, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28647350/antitumor-activity-of-resveratrol-is-independent-of-cu-ii-complex-formation-in-mcf-7-cell-line
#20
Priscylla Andrade Volkart, Rodrigo Benedetti Gassen, Bettina Mühlen Nogueira, Bárbara Nery Porto, José Eduardo Vargas, André Arigony Souto
Resveratrol (Rsv) is widely reported to possess anticarcinogenic properties in a plethora of cellular and animal models having limited toxicity toward normal cells. In the molecular level, Rsv can act as a suppressive agent for several impaired signaling pathways on cancer cells. However, Fukuhara and Miyata have shown a non-proteic reaction of Rsv, which can act as a prooxidant agent in the presence of copper (Cu), causing cellular oxidative stress accompanied of DNA damage. After this discovery, the complex Rsv-Cu was broadly explored as an antitumor mechanism in multiples tumor cell lines...
June 15, 2017: Bioorganic & Medicinal Chemistry Letters
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