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https://www.readbyqxmd.com/read/28109195/fungal-periprosthetic-joint-infection-following-total-elbow-arthroplasty-a-case-report-and-review-of-the-literature
#1
Cory A Kwong, Shannon K T Puloski, Kevin A Hildebrand
BACKGROUND: With improving surgical techniques for total elbow arthroplasty clinical outcomes have improved and its utilization continues to increase. Despite these advances, complication rates remain as high as 24%. Of these complications periprosthetic joint infection is one of the most common and morbid. The rheumatoid elbow remains a leading indication for total elbow arthroplasty. Patients with this condition frequently require immunosuppressive therapy, which places them at higher risk of both typical and atypical infections...
January 21, 2017: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/28109184/comparative-cardiovascular-risks-of-dipeptidyl-peptidase-4-inhibitors-with-other-2-nd-and-3-rd-line-antidiabetic-drugs-in-patients-with-type-2-diabetes
#2
Huang-Tz Ou, Kai-Cheng Chang, Chung-Yi Li, Jin-Shang Wu
AIMS: Dipeptidyl peptidase-4 inhibitors (DPP4i) are suggested as 2(nd) and 3(rd) add-on antidiabetic treatment for type 2 diabetes. Previous studies only assessed cardiovascular effects of DPP4i as 2(nd) line treatment, included sulfonylurea as only one comparator, and yielded inconclusive results on the risk of heart failure. This study therefore evaluated comparative cardiovascular risks of DPP4i with other 2(nd) and 3(rd) line antidiabetic drugs. METHODS: Based on a large nation-wide diabetic cohort, 113,051 patients with type 2 diabetes newly on metformin-based dual or triple therapy were identified in 2009-2011 and followed until death or 2013...
January 21, 2017: British Journal of Clinical Pharmacology
https://www.readbyqxmd.com/read/28109175/langerhans-cell-markers-cd1a-and-cd207-are-the-most-rapidly-responding-genes-in-lesional-psoriatic-skin-following-adalimumab-treatment
#3
L Raaby, C Rosada, A Langkilde, K L Lauridsen, H Vinter, P Ommen, R B Kjellerup, C Johansen, L Iversen
TNFα-, IL-23- and IL-17-targeting drugs are highly effective in the treatment of psoriasis. However, the precise molecular mechanism remains unknown. In psoriatic skin the presence of Langerhans cells (LC) is reduced, but the role of LC is poorly understood. The purpose of this study was to investigate the impact of TNFα and IL-23/IL-17 on the presence of LC in the skin during treatment. Therefore, psoriatic skin was investigated before and after 4 days of adalimumab or ustekinumab treatment. Furthermore, TNFα and IL-17A stimulation was investigated in an ex vivo model of epidermis and dermis from healthy normal skin kept in cultures at an air-liquid interphase for 4 days...
January 21, 2017: Experimental Dermatology
https://www.readbyqxmd.com/read/28109167/cell-cycle-tailored-targeting-of-metastatic-melanoma-challenges-opportunities
#4
Nikolas K Haass, Brian Gabrielli
The advent of targeted therapies of metastatic melanoma, such as MAPK pathway inhibitors and immune checkpoint antagonists, has turned dermato-oncology from the 'bad guy' to the 'poster child' in oncology. Current targeted therapies are effective; although here is a clear need to develop combination therapies to delay the onset of resistance. Many anti-melanoma drugs impact on the cell cycle but are also dependent on certain cell cycle phases resulting in cell cycle phase-specific drug insensitivity. Here, we raise the question: Have combination trials been abandoned prematurely as ineffective possibly only because drug scheduling was not optimized? Firstly, if both drugs of a combination hit targets in the same melanoma cell, cell cycle-mediated drug insensitivity should be taken into account when planning combination therapies, timing of dosing schedules and choice of drug therapies in solid tumors...
January 21, 2017: Experimental Dermatology
https://www.readbyqxmd.com/read/28109133/the-prognostic-and-therapeutic-application-of-micrornas-in-breast-cancer-tissue-and-circulating-micrornas
#5
REVIEW
Afsane Bahrami, Seyed Amir Aledavoud, Kazem Anvari, Seyed Mahdi Hassanian, Mina Maftouh, Ali Yaghobzade, Omid Salarzaee, Soodabeh ShahidSales, Amir Avan
Breast cancer is the second most common malignancy diagnosed in women, supporting the need for identification of novel prognostic and diagnostic biomarkers. Recently, microRNAs have emerged as molecular regulators that can have key roles in pathogenesis and progression of different malignancies, including breast cancer. Micro-RNAs can be circulated in body fluid, suggesting their values as non-invasive marker. There is growing body of evidence showing the aberrant activation of some known circulating miRNAs, e...
January 21, 2017: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/28109003/eradication-of-hcv-and-non-liver-related-non-aids-related-events-in-hiv-hcv-coinfection
#6
Juan Berenguer, Elena Rodríguez-Castellano, Ana Carrero, Miguel A Von Wichmann, Marta Montero, María J Galindo, Josep Mallolas, Manuel Crespo, María J Téllez, Carmen Quereda, José Sanz, Carlos Barros, Cristina Tural, Ignacio Santos, Federico Pulido, Josep M Guardiola, Rafael Rubio, Enrique Ortega, María L Montes, Juan J Jusdado, Gabriel Gaspar, Herminia Esteban, José M Bellón, Juan González-García
: We assessed non-liver-related non-AIDS-related (NLR-NAR) events and mortality in a cohort of HIV/HCV-coinfected patients treated with interferon and ribavirin between 2000 and 2008. The censoring date was May 31, 2014. Cox regression analysis was performed to assess the adjusted hazard rate (HR) of overall death in responders and non-responders. Fine and Gray regression analysis was conducted to determine the adjusted sub-hazard rate (sHR) of NLR deaths and NLR-NAR events considering death as the competing risk...
January 21, 2017: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
https://www.readbyqxmd.com/read/28108978/treatment-of-complicated-urinary-tract-infection-and-acute-pyelonephritis-by-short-course-intravenous-levofloxacin-750%C3%A2-mg-day-or-conventional-intravenous-oral-levofloxacin-500%C3%A2-mg-day-prospective-open-label-randomized-controlled-multicenter-non-inferiority
#7
Hong Ren, Xiao Li, Zhao-Hui Ni, Jian-Ying Niu, Bin Cao, Jie Xu, Hong Cheng, Xiao-Wen Tu, Ai-Min Ren, Ying Hu, Chang-Ying Xing, Ying-Hong Liu, Yan-Feng Li, Jun Cen, Rong Zhou, Xu-Dong Xu, Xiao-Hui Qiu, Nan Chen
OBJECTIVE: To compare the efficacy and safety of short-course intravenous levofloxacin (LVFX) 750 mg with a conventional intravenous/oral regimen of LVFX 500 mg in patients from China with complicated urinary tract infections (cUTIs) and acute pyelonephritis (APN). METHODS: This was a prospective, open-label, randomized, controlled, multicenter, non-inferiority clinical trial. Patients with cUTI and APN were randomly assigned to a short-course therapy group (intravenous LVFX at750 mg/day for 5 days) or a conventional therapy group (intravenous/oral regimen of LVFX at 500 mg/day for 7-14 days)...
January 20, 2017: International Urology and Nephrology
https://www.readbyqxmd.com/read/28108801/phosphorylation-implications-in-cancer
#8
REVIEW
Vishakha Singh, Mahendra Ram, Rajesh Kumar, Raju Prasad, Birendra Kumar Roy, Kaushal Kumar Singh
Post translational modifications (PTMs) are involved in variety of cellular activities and phosphorylation is one of the most extensively studied PTM, which regulates a number of cellular functions like cell growth, differentiation, apoptosis and cell signaling in healthy condition. However, alterations in phosphorylation pathways result in serious outcomes in the form of diseases, especially cancer. Many signalling pathways including Tyrosine kinase, MAP kinase, Cadherin-catenin complex, Cyclin-dependent kinase etc...
January 20, 2017: Protein Journal
https://www.readbyqxmd.com/read/28108781/potentially-inappropriate-medications-predictor-for-mortality-in-a-cohort-of-community-dwelling-older-adults
#9
Mariana Martins Gonzaga do Nascimento, Juliana Vaz de Melo Mambrini, Maria Fernanda Lima-Costa, Josélia Oliveira Araújo Firmo, Sérgio William Viana Peixoto, Antônio Ignácio de Loyola Filho
PURPOSE: The objective of this study was to investigate whether the potentially inappropriate medication (PIM) use is a predictor for mortality in a community-based population of older adults. METHODS: A cohort study was performed between January 1, 1997, and December 31, 2011, based on data from a representative sample of the population aged 60 years or older living in Bambuí, Brazil. Univariate and multivariate analyses of the association between the variable of interest (use of PIM or pharmacological groups of PIM) and mortality were based on the extended Cox model for proportional hazards...
January 20, 2017: European Journal of Clinical Pharmacology
https://www.readbyqxmd.com/read/28108739/targeting-oncogenic-vulnerabilities-in-triple-negative-breast-cancer-biological-bases-and-ongoing-clinical-studies
#10
Alberto Ocana, Atanasio Pandiella
Triple negative breast cancer (TNBC) is still an incurable disease despite the great scientific effort performed during the last years. The huge heterogeneity of this disease has motivated the evaluation of a great number of therapies against different molecular alterations. In this article, we review the biological bases of this entity and how the known molecular evidence supports the current preclinical and clinical development of new therapies. Special attention will be given to ongoing clinical studies and potential options for future drug combinations...
January 18, 2017: Oncotarget
https://www.readbyqxmd.com/read/28108737/dysregulations-in-the-pi3k-pathway-and-targeted-therapies-for-head-and-neck-squamous-cell-carcinoma
#11
Yi Cai, Sonam Dodhia, Gloria H Su
The phosphoinositide 3-kinase (PI3K) signaling pathway is the most commonly mutated pathway in head and neck squamous cell carcinoma (HNSCC). There are several drugs targeting members of the PI3K signaling pathway in development for HNSCC. In this article, we review the genetic alterations reported in the pathway pertinent to HNSCC, various agents in development targeting various mediators of the pathway, results from clinical trials, and remaining challenges in the development of PI3K pathway inhibitors.
January 18, 2017: Oncotarget
https://www.readbyqxmd.com/read/28108679/therapeutic-drug-monitoring-and-use-of-an-adjusted-body-weight-strategy-for-high-dose-voriconazole-therapy
#12
Patrick G Richards, Kimberlyn M Dang, Carol A Kauffman, Kay Lyn Stalker, David Sudekum, Lisa Kerr, Michelle Brinker-Bodley, Beena Cheriyan, Nina West, Curtis D Collins, Shikha Polega, Anurag N Malani
OBJECTIVES: A high-dose 12 mg/kg/day (6 mg/kg twice daily) voriconazole regimen was recommended by the CDC to treat patients injected with contaminated methylprednisolone acetate that caused a multi-state fungal outbreak in 2012-13. Therapeutic drug monitoring results of this unique regimen are unknown, as is the most appropriate dosing weight for obese patients. We evaluated voriconazole trough measurements for this dosing scheme, as well as the use of adjusted body weight dosing for obese patients...
January 20, 2017: Journal of Antimicrobial Chemotherapy
https://www.readbyqxmd.com/read/28108622/a-genome-wide-loss-of-function-screen-identifies-slc26a2-as-a-novel-mediator-of-trail-resistance
#13
Lina Dimberg, Christina G Towers, Kian Behbakht, Taylor Hotz, Jihye Kim, Susan P Fosmire, Christopher C Porter, Aik-Choon Tan, Andrew Thorburn, Heide L Ford
: TNF-related apoptosis inducing ligand (TRAIL) is a potent death-inducing ligand that mediates apoptosis through the extrinsic pathway and serves as an important endogenous tumor suppressor mechanism. Because tumor cells are often killed by TRAIL and normal cells are not, drugs that activate the TRAIL pathway have been thought to have potential clinical value. However, to date, most TRAIL-related clinical trials have largely failed due to the tumor cells having intrinsic or acquired resistance to TRAIL-induced apoptosis...
January 20, 2017: Molecular Cancer Research: MCR
https://www.readbyqxmd.com/read/28108545/bombesin-antagonist-based-radiotherapy-of-prostate-cancer-combined-with-wst-11-vascular-targeted-photodynamic-therapy
#14
Kwanghee Kim, Hanwen Zhang, Stephen LaRosa, Sylvia Jebiwott, Pooja Desai, Simon Y Kimm, Avigdor J Scherz, Joseph A O'Donoghue, Wolfgang A Weber, Jonathan Coleman
PURPOSE: DOTA-AR, a bombesin-antagonist peptide, has potential clinical application for targeted imaging and therapy in Gastrin Releasing Peptide receptor (GRPr) positive malignancies when conjugated with a radioisotope such as 90Y. This therapeutic potential is limited by the fast washout of the conjugates from the target tumors. WST-11 (Weizmann STeba-11 drug; a negatively charged water-soluble palladium-bacteriochlorophyll derivative, Tookad® Soluble) Vascular targeted photodynamic therapy (VTP) is a local ablation approach recently approved for use in early stage prostate cancer...
January 20, 2017: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/28108516/fibrinolytic-enzyme-co-therapy-improves-tumor-perfusion-and-therapeutic-efficacy-of-anticancer-nanomedicine
#15
Ameya R Kirtane, Tanmoy Sadhukha, Hyunjoon Kim, Vidhi Khanna, Brenda Koniar, Jayanth Panyam
Elevated interstitial fluid pressure and solid stress within tumors contribute to poor intratumoral distribution of nanomedicine. In this study, we hypothesized that the presence of fibrin in tumor extracellular matrix contributes to hindered intratumoral distribution of nanocarriers and that this can be overcome through the use of a fibrinolytic enzyme such as tissue plasminogen activator (tPA). Analysis of fibrin expression in human tumor biopsies showed significant fibrin staining in nearly all tumor types evaluated...
January 20, 2017: Cancer Research
https://www.readbyqxmd.com/read/28108380/the-taste-of-heat-how-humoral-qualities-act-as-a-cultural-filter-for-chemosensory-properties-guiding-herbal-medicine
#16
Matthias S Geck, Stefano Cabras, Laura Casu, Alberto J Reyes García, Marco Leonti
ETHNOPHARMACOLOGICAL RELEVANCE: Organoleptic properties, and more specifically chemosensory cues, have been shown to guide therapeutic applications of medicinal plants. Humoral qualities, on the other hand, are widely believed to be an abstract concept, mainly applied post hoc to validate therapy. However, the nexus between humoral qualities, chemosensory properties, and medicinal plant uses has never been systematically assessed. AIM OF THE STUDY: To systematically analyse the correlations between chemosensory properties, humoral qualities, and medicinal uses of selected botanical drugs...
January 17, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/28108293/a-model-incorporating-combined-rtis-and-pis-therapy-during-early-hiv-1-infection
#17
Sutimin, F Chirove, E Soewono, N Nuraini, L B Suromo
We develop a within host mathematical model of HIV-1 infection describing the effects of combined RTIs and PIs treatments on early HIV-1 infection when treatment is captured using periodic functions of pharmacokinetics type. We use an alternative of the basic reproduction number to analyze endemicity level of HIV-1 infection. Various treatment scenarios incorporating perfect and imperfect drug adherence in drug administration are explored. Our results show that pharmacokinetics treatment is a more realistic way of administering the treatment...
January 17, 2017: Mathematical Biosciences
https://www.readbyqxmd.com/read/28108275/benzofuran-2-acetic-ester-derivatives-induce-apoptosis-in-breast-cancer-cells-by-upregulating-p21-cip-waf1-gene-expression-in-p53-independent-manner
#18
Cinzia Giordano, Daniela Rovito, Ines Barone, Raffaella Mancuso, Daniela Bonofiglio, Francesca Giordano, Stefania Catalano, Bartolo Gabriele, Sebastiano Andò
Breast cancer is the most common malignancy and the leading cause of cancer-related death in women worldwide. High toxicity of used chemotherapeutics and resistance of cancer cells to treatments are a driving force for searching the new drug candidates for breast cancer therapy. In this study, we tested the antiproliferative effects of a series of benzofuran-2-acetic methyl ester derivatives, synthesized by a palladium-catalyzed carbonylative heterocyclization approach, on breast cancer cells. We observed that benzofuran compounds bearing a phenyl or tert-butyl substituent α to the methoxycarbonyl group significantly inhibited anchorage-dependent and -independent cell growth, and induced G0/G1 cell cycle arrest in human estrogen receptor alpha positive (MCF-7 and T47D) and in triple negative MDA-MB-231 breast cancer cells, without affecting growth of MCF-10A normal breast epithelial cells...
January 15, 2017: DNA Repair
https://www.readbyqxmd.com/read/28108249/synthesis-and-biological-evaluation-of-thiazole-derivatives-as-novel-usp7-inhibitors
#19
Chao Chen, Jiemei Song, Jinzheng Wang, Chang Xu, Caiping Chen, Wei Gu, Hongbin Sun, Xiaoan Wen
Herpesvirus-associated Ubiquitin-Specific Protease (HAUSP, also called USP7) interacts with and stabilizes Mdm2, and represents one of the first examples that deubiquitinases oncogenic proteins. USP7 has been regarded as a potential drug target for cancer therapy. Inhibitors of USP7 have been recently shown to suppress tumor cell growth in vitro and in vivo. Based on leading USP7 inhibitors P5091 and P22077, we designed and synthesized a series of thiazole derivatives. The results of in vitro assays showed that the thiazole compounds exhibited low micromolar inhibition activity against both USP7 enzyme and cancer cell lines...
January 10, 2017: Bioorganic & Medicinal Chemistry Letters
https://www.readbyqxmd.com/read/28108225/female-schizophrenia-patients-and-risk-of-breast-cancer-a-population-based-cohort-study
#20
Ana Isabel Wu Chou, Yu-Chiao Wang, Cheng-Li Lin, Chia-Hung Kao
OBJECTIVE: Breast cancer is the most common type of cancer in women. This population-based cohort study aimed to examine the association between breast cancer in female schizophrenia patients and its association with the use of antipsychotics drugs. METHODS: All study subjects were selected from the Taiwan Insurance Claims Data (1998-2008). We compared the risk for breast cancer between female schizophrenia patients receiving antipsychotics (n=29,641) with female patients without any serious mental illnesses nor receiving antipsychotic drugs (n=59,282)...
January 17, 2017: Schizophrenia Research
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