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https://www.readbyqxmd.com/read/28732133/ionization-and-collision-induced-dissociation-of-steroid-bis-glucuronides
#1
Argitxu Esquivel, Xavier Matabosch, Aristotelis Kotronoulas, Georgina Balcells, Jesús Joglar, Rosa Ventura
Studies on steroid metabolism are of utmost importance to improve the detection capabilities of anabolic androgenic steroids (AAS) misuse in sports drug testing. In humans, glucuronoconjugates are the most abundant phase II metabolites of AAS. Bis-glucuronidation is a reaction where two separated functional groups on the same molecule are conjugated with glucuronic acid. These metabolites have not been studied in depth for steroids and could be interesting markers for doping control. The aim of the present work was to study the ionization and collision induced dissociation of steroid bis-glucuronides to be able to develop mass spectrometric analytical strategies for their detection in urine samples after AAS administration...
July 21, 2017: Journal of Mass Spectrometry: JMS
https://www.readbyqxmd.com/read/28732067/thromboembolic-adverse-event-study-of-combined-estrogen-progestin-preparations-using-japanese-adverse-drug-event-report-database
#2
Shiori Hasegawa, Toshinobu Matsui, Yuuki Hane, Junko Abe, Haruna Hatahira, Yumi Motooka, Sayaka Sasaoka, Akiho Fukuda, Misa Naganuma, Kouseki Hirade, Yukiko Takahashi, Yasutomi Kinosada, Mitsuhiro Nakamura
Combined estrogen-progestin preparations (CEPs) are associated with thromboembolic (TE) side effects. The aim of this study was to evaluate the incidence of TE using the Japanese Adverse Drug Event Report (JADER) database. Adverse events recorded from April 2004 to November 2014 in the JADER database were obtained from the Pharmaceuticals and Medical Devices Agency (PMDA) website (www.pmda.go.jp). We calculated the reporting odds ratios (RORs) of suspected CEPs, analyzed the time-to-onset profile, and assessed the hazard type using Weibull shape parameter (WSP)...
2017: PloS One
https://www.readbyqxmd.com/read/28731668/-azathioprine-induced-pancytopenia-case-series
#3
Cristina Martínez Faci, Ignacio Ros Arnal, José M Martínez de Zabarte Fernández, Jordi Sorribes Estorch, Mónica López Campos, Carmen Rodríguez-Vigil Iturrate
Azathioprine is an immunosuppressive drug that has shown effectiveness in inflammatory bowel disease treatment. Its metabolite, 6-mercaptopurine, is metabolized through thiopurine methyltransferase. Patients with low enzyme activity may have more frequent and severe side effects. The most common is leukopenia, and rarely pancytopenia. The thiopurine methyltransferase activity monitoring shows an individualized profile of enzymatic activity but it should not replace monitoring by performing serial blood counts...
August 1, 2017: Archivos Argentinos de Pediatría
https://www.readbyqxmd.com/read/28731107/a-fluorescent-turn-on-nanoprobe-for-simultaneous-visualization-of-dual-targets-involved-in-cell-apoptosis-and-drug-screening-in-living-cells
#4
Xiaolong Zhang, Naishun Liao, Geng Chen, Aixian Zheng, Yongyi Zeng, Xiaolong Liu, Jingfeng Liu
Herein, a novel dual-responsive two-color fluorescent nanoprobe has been designed for the fluorescence activation imaging of cell apoptosis in living cells. The nanoprobe consists of a gold nanoparticle core functionalized with a dense layer of DNA aptamers and peptides, which shows high affinity and specific response to cytochrome c (Cyt c) and caspase-3, respectively. The formation of the aptamer-Cyt c complex and the cleavage of the specific peptide by caspase-3 can liberate the dye labelled aptamers and peptides from the surface of gold nanoparticles, and then recover their fluorescence...
July 21, 2017: Nanoscale
https://www.readbyqxmd.com/read/28730725/targeting-nano-drug-delivery-to-cancer-cells-using-tunable-multi-layer-silver-decorated-gold-nanorods
#5
Zeid A Nima, Ahmed M Alwbari, Vijayalakshmi Dantuluri, Rabab N Hamzah, Natasha Sra, Pooja Motwani, Konstantinos Arnaoutakis, Rebecca A Levy, Amani F Bohliqa, Dmitry Nedosekin, Vladimir P Zharov, Issam Makhoul, Alexandru S Biris
Multifunctional nanoparticles have high potential as targeting delivery vehicles for cancer chemotherapy. In this study, silver-decorated gold nanorods (AuNR\Ag) have been successfully used to deliver specific, targeted chemotherapy against breast cancer (MCF7) and prostate carcinoma (PC3) cell lines. Doxorubicin, a commonly used chemotherapy, and anti-Epithelial cell adhesion molecule (anti-EpCAM) antibodies were covalently bonded to thiolated polyethylene glycol-coated AuNR\Ag, and the resultant system was used to deliver the drugs to cancer cells in vitro...
July 21, 2017: Journal of Applied Toxicology: JAT
https://www.readbyqxmd.com/read/28730694/pharmacodynamics-pharmacokinetics-and-safety-of-multiple-ascending-doses-of-the-novel-dual-glucose-dependent-insulinotropic-polypeptide-glucagon-like-peptide-1-agonist-rg7697-in-people-with-type-2-diabetes-mellitus
#6
Christophe Schmitt, Agnès Portron, Shirin Jadidi, Neena Sarkar, Richard DiMarchi
AIMS: To investigate the pharmacodynamics, pharmacokinetics and safety of multiple ascending doses of RG7697, a dual glucose-dependent insulinotropic polypeptide/glucagon-like peptide-1 agonist, in patients with type 2 diabetes mellitus (T2D). METHODS: A total of 56 patients with T2D received once-daily subcutaneous (s.c.) injection of RG7697 (0.25-2.5 mg) or placebo for 14 days in a randomized, double-blind, dose-escalation study. Adverse events (AEs), vital signs, ECGs and routine laboratory variables were intensively monitored...
July 20, 2017: Diabetes, Obesity & Metabolism
https://www.readbyqxmd.com/read/28730690/incorporating-comprehensive-management-of-direct-oral-anticoagulants-into-anticoagulation-clinics
#7
Insaf Mohammad, Bianca Korkis, Candice L Garwood
Anticoagulation clinics emerged as a means to optimize warfarin effectiveness and minimize bleeding risks. Anticoagulation clinics have traditionally been warfarin-based models due to the need for frequent blood level monitoring, drug interactions, dietary considerations, and periprocedural management with warfarin. These models have demonstrated improved anticoagulation control and reduced bleeding complications for patients taking warfarin. Direct oral anticoagulants (DOACs) emerged with the perception of improved convenience due to the lack of blood level monitoring and lack of dietary considerations...
July 21, 2017: Pharmacotherapy
https://www.readbyqxmd.com/read/28730640/2016-updated-thai-rheumatism-association-recommendations-for-the-use-of-biologic-and-targeted-synthetic-disease-modifying-anti-rheumatic-drugs-in-patients-with-rheumatoid-arthritis
#8
Worawit Louthrenoo, Nuntana Kasitanon, Wanruchada Katchamart, Duangkamol Aiewruengsurat, Parawee Chevaisrakul, Praveena Chiowchanwisawakit, Pornchai Dechanuwong, Punchong Hanvivadhanakul, Ajanee Mahakkanukrauh, Siriporn Manavathongchai, Chayawee Muangchan, Pongthorn Narongroeknawin, Veerapong Phumethum, Boonjing Siripaitoon, Anawat Suesuwan, Siraphop Suwannaroj, Parichat Uea-Areewongsa, Sittichai Ukritchon, Paijit Asavatanabodee, Ajchara Koolvisoot, Ratanavadee Nanagara, Kitti Totemchokchyakarn, Kanokrut Nuntirooj, Tasanee Kitumnuaypong
AIM: In June 2015, the Thai Rheumatism Association (TRA) approved an update of its recommendation for the use of biologic disease-modifying anti-rheumatic drugs (bDMARDs) and targeted synthetic (tsDMARD) in the treatment of rheumatoid arthritis (RA) to cover those currently available in Thailand (etanercept, infliximab, golimumab, rituximab, tocilizumab, abatacept and tofacitinib). METHOD: A search of the literature was performed between January 2000 and June 2015...
July 21, 2017: International Journal of Rheumatic Diseases
https://www.readbyqxmd.com/read/28730087/frequency-of-diabetic-retinopathy-and-associated-risk-factors-in-khartoum-sudan-population-based-study
#9
Einas S Elwali, Ahmed O Almobarak, Mona A Hassan, Amir A Mahmooud, Heitham Awadalla, Mohamed H Ahmed
AIM: To assess the frequency and associated risk factors of diabetic retinopathy among Sudanese individuals with diabetes attending Makka Eye complex in Khartoum, Sudan. METHODS: The cross sectional hospital based study recruited 316 individuals with diabetes from Makkah Eye Complex Retina Clinic. Standard questionnaire was used to collect demographic data, medical history and life style characteristics. Blood samples were taken to measure HbA1c and lipid profile...
2017: International Journal of Ophthalmology
https://www.readbyqxmd.com/read/28729910/drug-induced-gingival-hyperplasia-a-retrospective-study-using-spontaneous-reporting-system-databases
#10
Haruna Hatahira, Junko Abe, Yuuki Hane, Toshinobu Matsui, Sayaka Sasaoka, Yumi Motooka, Shiori Hasegawa, Akiho Fukuda, Misa Naganuma, Tomofumi Ohmori, Yasutomi Kinosada, Mitsuhiro Nakamura
BACKGROUND: Drug-induced gingival hyperplasia (DIGH) causes problems with chewing, aesthetics, and pronunciation, and leads to the deterioration of the patient's quality of life (QOL). Thus, the aim of this study was to evaluate the incidence of DIGH using spontaneous reporting system (SRS) databases. METHODS: We analyzed reports of DIGH from SRS databases and calculated the reporting odds ratios (RORs) of suspected drugs (immunosuppressants, calcium channel blockers, and anticonvulsants)...
2017: Journal of Pharmaceutical Health Care and Sciences
https://www.readbyqxmd.com/read/28729406/tumor-evolution-as-a-therapeutic-target
#11
REVIEW
Nabil Amirouchene-Angelozzi, Charles Swanton, Alberto Bardelli
Recent technological advances in the field of molecular diagnostics (including blood-based tumor genotyping) allow the measurement of clonal evolution in patients with cancer, thus adding a new dimension to precision medicine: time. The translation of this new knowledge into clinical benefit implies rethinking therapeutic strategies. In essence, it means considering as a target not only individual oncogenes but also the evolving nature of human tumors. Here, we analyze the limitations of targeted therapies and propose approaches for treatment within an evolutionary framework...
July 20, 2017: Cancer Discovery
https://www.readbyqxmd.com/read/28729164/antenatal-antipsychotic-exposure-induces-multigenerational-and-gender-specific-programming-of-adiposity-and-glucose-tolerance-in-adult-mouse-offspring
#12
E Courty, P Gobalakichenane, M Garcia, A Muscat, C Kazakian, T Ledent, M Moldes, B Blondeau, D Mitanchez, M Buyse, B Fève
Second-generation antipsychotics (SGAs) are well known for their metabolic side effects in humans, including obesity and diabetes. These compounds are maintained during pregnancy to prevent the relapse of psychoses, but they readily diffuse across the placenta to the fetus, as documented with the widely-prescribed drug olanzapine (OLZ). However, observational studies have provided conflicting results on the potential impact of SGAs on fetal growth and body weight, and their effects on metabolic regulation in the offspring...
July 17, 2017: Diabetes & Metabolism
https://www.readbyqxmd.com/read/28729158/fixed-dose-combination-dolutegravir-abacavir-and-lamivudine-versus-ritonavir-boosted-atazanavir-plus-tenofovir-disoproxil-fumarate-and-emtricitabine-in-previously-untreated-women-with-hiv-1-infection-aria-week-48-results-from-a-randomised-open-label-non-inferiority
#13
Catherine Orrell, Debbie P Hagins, Elena Belonosova, Norma Porteiro, Sharon Walmsley, Vicenç Falcó, Choy Y Man, Alicia Aylott, Ann M Buchanan, Brian Wynne, Cindy Vavro, Michael Aboud, Kimberly Y Smith
BACKGROUND: Dolutegravir is a once-daily integrase strand transfer inhibitor with no need for pharmacokinetic boosting that is approved for the treatment of HIV-1 infection. Because women are often under-represented in HIV clinical trials, we addressed the safety and efficacy of dolutegravir in women with HIV-1. METHODS: The ARIA study is a randomised, open-label, multicentre, active-controlled, parallel-group, non-inferiority phase 3b study done in 86 hospital and university infectious disease clinics, local health clinics, and private infectious disease clinics in 12 countries and one US territory, in North America, South America, Europe, Africa, and Asia...
July 17, 2017: Lancet HIV
https://www.readbyqxmd.com/read/28728911/effects-of-riluzole-on-spinal-seizure-like-activity-in-the-brainstem-spinal-cord-preparation-of-newborn-rat
#14
Shih Tien Lin, Masayuki Ohbayashi, Toshinori Yamamoto, Hiroshi Onimaru, Mari Kogo
Riluzole blocks persistent Na(+) current, inhibits generation of neuronal bursts and decreases glutamate-induced excitotoxicity. In previous studies of respiratory activity, riluzole suppressed inspiratory-related burst generation activity in rat slice or en bloc preparations. We examined riluzole's effects on inspiratory burst generation and drug-induced seizure-like activity in newborn rat en bloc preparations. Medulla-spinal cord preparations from postnatal day 0-3 Wistar rats were isolated under deep isoflurane anesthesia and were superfused with artificial cerebrospinal fluid equilibrated with 95% O2 and 5% CO2, pH 7...
July 17, 2017: Neuroscience Research
https://www.readbyqxmd.com/read/28728905/perceptions-of-clostridium-difficile-infections-among-infection-control-professionals-in-taiwan
#15
Yuan-Pin Hung, Jen-Chieh Lee, Hsiao-Ju Lin, Chun-Wei Chiu, Jia-Ling Wu, Hsiao-Chieh Liu, I-Hsiu Huang, Pei-Jane Tsai, Wen-Chien Ko
BACKGROUND: High Clostridium difficile colonization and infection rates among hospitalized patients had been noted in Taiwan. Nevertheless, the cognition about clinical diagnosis and management of CDI among infection control professionals in Taiwan is not clear. MATERIAL AND METHODS: A 24-item survey questionnaire about the diagnosis, therapy, or infection control policies toward CDI was distributed in the annual meeting of the Infectious Disease Society of Taiwan (IDST) in October 2015 and Infectious Control Society of Taiwan (ICST) in April 2016...
June 29, 2017: Journal of Microbiology, Immunology, and Infection, Wei Mian Yu Gan Ran za Zhi
https://www.readbyqxmd.com/read/28728045/postdiagnosis-neurological-care-for-patients-with-psychogenic-nonepileptic-spells-pnes
#16
Chloe E Hill, Hannah Schwartz, Nabila Dahodwala, Brian Litt, Kathryn A Davis
OBJECTIVE: This study investigated continuity of neurological care for patients discharged from the epilepsy monitoring unit (EMU) with a diagnosis of psychogenic nonepileptic spells (PNES). Because PNES are seizure-like episodes that cannot be explained by abnormal electrical brain activity, they are challenging for patients to understand and accept. Consequently, after diagnosis, patients commonly fail to start recommended psychotherapy and instead pursue redundant medical care. As consistent relationships with healthcare providers may help, we instituted standard follow-up for patients diagnosed with PNES...
July 17, 2017: Epilepsy & Behavior: E&B
https://www.readbyqxmd.com/read/28727918/rapid-sensitive-and-quantitative-detection-of-anti-peg-antibodies-by-mpeg-coated-spr-sensors
#17
Peng Zhang, Fang Sun, Hsiang-Chieh Hung, Priyesh Jain, Kasey Joanne Leger, Shaoyi Jiang
Pre-existing and induced anti-poly(ethylene glycol) (PEG) antibodies (abs) have been shown to be related with limitation of therapeutic efficacy and reduction in tolerance of several therapeutic agents. However, the current methods to detect anti-PEG abs are tedious and usually lack of quantification. A facile, rapid, sensitive and reliable technique to detect anti-PEG abs is highly desired in both research and clinic settings. In this work, we have presented a surface plasmon resonance (SPR) biosensor technique for the detection of anti-PEG abs and compared three PEG surface chemistries...
July 20, 2017: Analytical Chemistry
https://www.readbyqxmd.com/read/28727804/effects-of-pre-surgical-administration-of-prostaglandin-analogs-on-the-outcome-of-trabeculectomy
#18
Takako Miki, Tomoko Naito, Miyuki Fujiwara, Ryoichi Araki, Rieko Kiyoi, Yusuke Shiode, Atsushi Fujiwara, Yuki Morizane, Fumio Shiraga
For primary open angle glaucoma (POAG), laser treatment or surgery is used when the target intraocular pressure (IOP) cannot be achieved by pharmacological agents, such as prostaglandin (PG) analogs; these drugs also have varied effects. We retrospectively reviewed the medical records of 74 POAG patients (74 eyes) whose IOP was inadequately controlled by PG analogs (bimatoprost [13 eyes], latanoprost [34 eyes], tafluprost [11 eyes], and travoprost [16 eyes]) and underwent primary trabeculectomy. The proportion of patients with no recurrent IOP elevation within 24 months post-trabeculectomy was significantly (P < 0...
2017: PloS One
https://www.readbyqxmd.com/read/28727795/effect-of-therapy-switch-on-time-to-second-line-antiretroviral-treatment-failure-in-hiv-infected-patients
#19
Amanda Häggblom, Michele Santacatterina, Ujjwal Neogi, Magnus Gisslen, Bo Hejdeman, Leo Flamholc, Anders Sönnerborg
BACKGROUND: Switch from first line antiretroviral therapy (ART) to second-line ART is common in clinical practice. However, there is limited knowledge of to which extent different reason for therapy switch are associated with differences in long-term consequences and sustainability of the second line ART. MATERIAL AND METHODS: Data from 869 patients with 14601 clinical visits between 1999-2014 were derived from the national cohort database. Reason for therapy switch and viral load (VL) levels at first-line ART failure were compared with regard to outcome of second line ART...
2017: PloS One
https://www.readbyqxmd.com/read/28727740/genetically-engineered-suicide-gene-in-mesenchymal-stem-cells-using-a-tet-on-system-for-anaplastic-thyroid-cancer
#20
Senthilkumar Kalimuthu, Ji Min Oh, Prakash Gangadaran, Liya Zhu, Ho Won Lee, Yong Hyun Jeon, Shin Young Jeong, Sang-Woo Lee, Jaetae Lee, Byeong-Cheol Ahn
Anaplastic thyroid cancer (ATC) is the most aggressive malignancy of the thyroid, during which undifferentiated tumors arise from the thyroid follicular epithelium. ATC has a very poor prognosis due to its aggressive behavior and poor response to conventional therapies. Gene-directed enzyme/prodrug therapy using genetically engineered mesenchymal stromal cells (MSC) is a promising therapeutic strategy. The doxycycline (DOX)-controlled Tet inducible system is the most widely utilized regulatory system and could be a useful tool for therapeutic gene-based therapies...
2017: PloS One
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