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https://www.readbyqxmd.com/read/28331083/maintenance-of-the-hiv-reservoir-is-antagonized-by-selective-bcl2-inhibition
#1
Nathan W Cummins, Amy M Sainski-Nguyen, Sekar Natesampillai, Fatma Aboulnasr, Scott Kaufmann, Andrew D Badley
Decay of the HIV reservoir is slowed over time in part by expansion of the pool of HIV infected cells. This expansion reflects homeostatic proliferation of infected cells by IL-7 or antigenic stimulation, as well as new rounds of infection of susceptible target cells. As novel therapies are being developed to accelerate the decay of the latent HIV reservoir, it will be important to identify interventions that prevent expansion and/or repopulation of the latent HIV reservoir. Our previous studies showed that HIV protease cleaves the host protein procaspase 8 to generate Casp8p41, which can bind and activate BAK to induce apoptosis of infected cells...
March 22, 2017: Journal of Virology
https://www.readbyqxmd.com/read/28330928/surgery-for-cancer-a-trigger-for-metastases
#2
REVIEW
Samer Tohme, Richard L Simmons, Allan Tsung
Surgery is a crucial intervention and provides a chance of cure for patients with cancer. The perioperative period is characterized by an increased risk for accelerated growth of micrometastatic disease and increased formation of new metastatic foci. The true impact for cancer patients remains unclear. This review summarizes the often fragmentary clinical and experimental evidence supporting the role of surgery and inflammation as potential triggers for disease recurrence. Surgery induces increased shedding of cancer cells into the circulation, suppresses antitumor immunity allowing circulating cells to survive, upregulates adhesion molecules in target organs, recruits immune cells capable of entrapping tumor cells, and induces changes in the target tissue and in the cancer cells themselves to enhance migration and invasion to establish at the target site...
March 22, 2017: Cancer Research
https://www.readbyqxmd.com/read/28329348/outcome-and-treatment-of-nocardiosis-after-solid-organ-transplantation-new-insights-from-a-european-study
#3
David Lebeaux, Romain Freund, Christian van Delden, Hélène Guillot, Sierk D Marbus, Marie Matignon, Eric Van Wijngaerden, Benoit Douvry, Julien De Greef, Fanny Vuotto, Leïla Tricot, Mario Fernández-Ruiz, Jacques Dantal, Cédric Hirzel, Jean-Philippe Jais, Veronica Rodriguez-Nava, Frédérique Jacobs, Olivier Lortholary, Julien Coussement
Background: Solid organ transplant (SOT) recipients are at risk of nocardiosis, a rare opportunistic bacterial infection, but prognosis and outcome of these patients are poorly defined. Our objectives were to identify factors associated with one-year mortality after nocardiosis and describe the outcome of patients receiving short-course antibiotics (≤120 days). Methods: We analyzed data from a multicenter European case-control study that included 117 SOT recipients with nocardiosis diagnosed between 2000 and 2014...
February 4, 2017: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
https://www.readbyqxmd.com/read/28327916/multilayer-modeling-and-analysis-of-human-brain-networks
#4
Manlio De Domenico
Understanding how the human brain is structured, and how its architecture is related to the function, is of paramount importance for a variety of applications, including, but not limited to, new ways to prevent, deal with and cure brain diseases, such as Alzheimer's or Parkinson's, and psychiatric disorders, such as Schizophrenia. The recent advances in structural and functional neuroimaging, together with the increasing attitude to interdisciplinary approaches involving computer science, mathematics and physics, are fostering interesting results from computational neuroscience, that are quite often based on the analysis of complex network representation of human brain...
February 6, 2017: GigaScience
https://www.readbyqxmd.com/read/28327802/in-vitro-and-in-vivo-antileishmanial-activity-of-artemisia-annua-l-leaf-powder-and-its-potential-usefulness-in-the-treatment-of-uncomplicated-cutaneous-leishmaniasis-in-humans
#5
Luz Estella Mesa, Daniel Vasquez, Pierre Lutgen, Iván Darío Vélez, Adriana María Restrepo, Isabel Ortiz, Sara María Robledo
INTRODUCTION: Cutaneous leishmaniasis (CL) is a tropical disease that affects millions of individuals worldwide. The current drugs for CL may be effective but have serious side effects; hence, alternatives are urgently needed. Although plant-derived materials are used for the treatment of various diseases in 80% of the global population, the validation of these products is essential. Gelatin capsules containing dried Artemisia annua leaf powder were recently developed as a new herbal formulation (totum) for the oral treatment of malaria and other parasitic diseases...
January 2017: Revista da Sociedade Brasileira de Medicina Tropical
https://www.readbyqxmd.com/read/28323861/overexpression-of-c-jun-contributes-to-sorafenib-resistance-in-human-hepatoma-cell-lines
#6
Yuki Haga, Tatsuo Kanda, Masato Nakamura, Shingo Nakamoto, Reina Sasaki, Koji Takahashi, Shuang Wu, Osamu Yokosuka
BACKGROUND: Despite recent advances in treatment strategies, it is still difficult to cure patients with hepatocellular carcinoma (HCC). Sorafenib is the only approved multiple kinase inhibitor for systemic chemotherapy in patients with advanced HCC. The majority of advanced HCC patients are resistant to sorafenib. The mechanisms of sorafenib resistance are still unknown. METHODS: The expression of molecules involved in the mitogen-activated protein kinase (MAPK) signaling pathway in human hepatoma cell lines was examined in the presence or absence of sorafenib...
2017: PloS One
https://www.readbyqxmd.com/read/28323192/multimodality-management-of-spetzler-martin-grade-3-brain-arteriovenous-malformations-with-subgroup-analysis
#7
Isaac Josh Abecassis, John D Nerva, Abdullah Feroze, Jason Barber, Basavaraj V Ghodke, Louis J Kim, Laligam N Sekhar
INTRODUCTION: Spetzler-Martin grade 3 (SM3) lesions entail 4 distinct subtypes described based on size, eloquence, and deep venous drainage (DVD) (3A-3D). The ideal management of each is contentious, and the results of A Randomized Trial of Unruptured Brain AVMs (ARUBA) introduced additional controversy and attention towards management strategies of unruptured bAVMs. METHODS: We retrospectively reviewed 114 patients with treated SM3 bAVMs, including both ruptured and unruptured lesions...
March 18, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28322974/current-modalities-in-cancer-immunotherapy-immunomodulatory-antibodies-cars-and-vaccines
#8
REVIEW
Jason Lohmueller, Olivera J Finn
Successes of immune checkpoint inhibitors (ICIs) and chimeric antigen receptor (CAR) T cell therapy in curing patients with otherwise lethal cancers have validated immunotherapy as a treatment for cancer and have inspired excitement for its broader potential. Most promising is the ability of each approach to eliminate bulky and advanced-stage cancers and to achieve durable cures. Despite this success, to date only a subset of cancer patients and a limited number of cancer types respond to these therapies. A major goal now is to expand the types of cancer and number of patients who can be successfully treated...
March 16, 2017: Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/28321170/diabetes-mellitus-insulin-resistance-and-hepatitis-c-virus-infection-a-contemporary-review
#9
Anne-Claire Desbois, Patrice Cacoub
AIM: To summarise the literature data on hepatitis C virus (HCV)-infected patients concerning the prevalence of glucose abnormalities and associated risk. METHODS: We conducted a PubMed search and selected all studies found with the key words "HCV" or "hepatitis C virus" and "diabetes" or "insulin resistance". We included only comparative studies written in English or in French, published from January 2000 to April 2015. We collected the literature data on HCV-infected patients concerning the prevalence of glucose abnormalities [diabetes mellitus (DM) and insulin resistance (IR)] and associated risk [i...
March 7, 2017: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/28318345/novel-agents-in-classical-hodgkin-lymphoma
#10
Sven Borchmann, Bastian von Tresckow
Classical Hodgkin lymphoma (cHL) is the most common hematological malignancy in young adults and can be cured in most cases. However, relapsed and refractory Hodgkin lymphoma, certain patient groups, such as elderly patients, and toxicity of first-line treatment still pose significant challenges. Consequently, new treatment options are needed. Recently, many new treatment concepts have been evaluated in clinical trials. Targeted drug-antibody conjugates and immune checkpoint inhibitors have decisively changed treatment approaches...
March 20, 2017: Leukemia & Lymphoma
https://www.readbyqxmd.com/read/28317814/the-medicinal-plants-in-the-control-of-tuberculosis-laboratory-study-on-medicinal-plants-from-the-northern-area-of-pakistan
#11
Sami Ullah, Shah Hussain, Sadiq Noor Khan, Mohammad Khurram, Iqbal Khan, Murad Ali Khan
BACKGROUND: Tuberculosis (TB) ranks as the second leading cause of deaths due to infectious diseases. Although global efforts have been made to control TB, still, this is a serious threat as Mycobacterium tuberculosis (MTB) produced resistance against both the first- and second-line drugs. The increasing incidence of multidrug-resistant, extremely drug resistant, and totally drug-resistant TB worldwide requires extra efforts to search for new anti-TB drugs. MATERIALS AND METHODS: The present study evaluated the antimycobacterial activities of Citrullus colocynthis, Calotropis procera, Ricinus communis, Capparis decidua, and Fagonia cretica plants' extracts against rifampicin-sensitive (H37Rv) and rifampicin-resistant (TMC331) strains of MTB...
January 2017: International Journal of Mycobacteriology
https://www.readbyqxmd.com/read/28317403/intrahepatic-cholangiocarcinoma-current-management-and-emerging-therapies
#12
Amir A Rahnemai-Azar, Allison B Weisbrod, Mary Dillhoff, Carl Schmidt, Timothy M Pawlik
Intrahepatic cholangiocarcinoma (iCCA) is a malignancy with an increasing incidence and a high-case fatality. While surgery offers the best hope at long-term survival, only one-third of tumors are amenable to surgical resection at the time of the diagnosis. Unfortunately, conventional chemotherapy offers limited survival benefit in the management of unresectable or metastatic disease. Recent advances in understanding the molecular pathogenesis of iCCA and the use of next-generation sequencing techniques have provided a chance to identify "target-able" molecular aberrations...
March 20, 2017: Expert Review of Gastroenterology & Hepatology
https://www.readbyqxmd.com/read/28306572/neuromyelitis-optica-and-neuromyelitis-optica-spectrum-disorders
#13
Romain Marignier, Alvaro Cobo Calvo, Sandra Vukusic
PURPOSE OF REVIEW: The discovery of highly specific auto-antibodies directed against the water channel aquaporin 4 was a quantum leap in the definition, classification and management of neuromyelitis optica (NMO). Herein, we propose an update on epidemiological, clinical and therapeutic advances in the field, underlining unmet needs. RECENT FINDINGS: Large-scale epidemiological studies have recently provided a more precise evaluation of NMO prevalence and a better stratification regarding ethnicity and sex...
March 16, 2017: Current Opinion in Neurology
https://www.readbyqxmd.com/read/28302961/getting-to-the-heart-of-the-matter-in-cancer-novel-approaches-to-targeting-cancer-stem-cells
#14
Hugh Colvin, Masaki Mori
Cancer is one of the leading causes of deaths worldwide. While cancers may initially show good response to chemotherapy or radiotherapy, it is not uncommon for them to recur at a later date. This phenomenon may be explained by the existence of a small population of cancer stem cells, which are inherently resistant to anti-cancer treatment as well as being capable of self-renewal. Therefore, while most of the tumour bulk consisting of cells that are not cancer stem cells respond to treatment, the cancer stem cells remain, leading to disease recurrence...
2017: Proceedings of the Japan Academy. Series B, Physical and Biological Sciences
https://www.readbyqxmd.com/read/28301793/advances-in-rheumatoid-arthritis
#15
Graeme Jones, Peter Nash, Stephen Hall
There are now eight approved biological disease-modifying antirheumatic drugs (bDMARDs), two biosimilars and one targeted synthetic DMARD in Australia with a number of new products and biosimilars in the pipeline. bDMARDs have excellent efficacy, especially when combined with traditional DMARDs, and a well characterised but manageable safety profile. These expanded therapeutic options have revolutionised patient care and made remission (including drug free remission) a realistic goal. Evidence of a "window of opportunity" that changes the long term phenotype of the disease has been well established, so therapy should be commenced as early as possible in the disease process and a shared care model between general practitioner and rheumatologist provides the best outcomes...
March 20, 2017: Medical Journal of Australia
https://www.readbyqxmd.com/read/28301705/reprioritizing-research-activity-for-the-post-antibiotic-era-ethical-legal-and-social-considerations
#16
Spencer Phillips Hey, Aaron S Kesselheim
Many hold that the so-called golden era of antibiotic discovery has passed, leaving only a limited clinical pipeline for new antibiotics. A logical conclusion of such arguments is that we need to reform the current system of antibiotic drug research-including clinical trials and regulatory requirements-to spur activity in discovery and development. The United States Congress in the past few years has debated a number of bills to address this crisis, including the 2012 Generating Antibiotic Incentives Now Act and the 2016 21st Century Cures Act...
March 2017: Hastings Center Report
https://www.readbyqxmd.com/read/28297830/-ct-typing-and-surgical-approach-for-adenocarcinoma-of-the-esophagogastric-junction
#17
Y Z Zhao, G S Han, P F Ma, J Li, C Y Liu, M K Huo
Objective: To investigate the feasibility, safety and efficacy of preoperative CT in the classification of adenocarcinoma of the esophagogastric junction. Methods: A total of 517 consecutive patients from May 2012 to June 2016 with esophagogastric junction carcinoma in the department of general surgery of Henan Cancer Hospital was retrospectively analyzed, according to the clinical pathological data of three type four layer method and statistics of various types of surgery in patients with preoperative enhanced CT...
March 7, 2017: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/28295785/improving-support-and-education-of-low-income-baby-boomers-diagnosed-with-chronic-hepatitis-c-virus-infection-through-universal-screening
#18
Barbara J Turner, Kathryn Craig, Vidhi S Makanji, Bertha E Flores, Ludivina Hernandez
AIMS AND OBJECTIVES: The objective of this study was to identify support needs of low income baby boomers recently diagnosed with chronic hepatitis C virus infection. BACKGROUND: The United States Preventive Services Task Force has endorsed one-time screening of all baby boomers (born 1945 to 1965) for hepatitis C because 75% of the estimated 2 to 3 million persons with chronic infection are in this age range. We hypothesized that persons diagnosed by routine screening would have significant psycho-emotional, cognitive, and health care challenges that need to be met by collaborative care and services from nurses and other health care personnel...
March 15, 2017: Journal of Clinical Nursing
https://www.readbyqxmd.com/read/28293834/synthesis-and-evaluation-of-novel-hcv-replication-inhibitors
#19
David C McGowan, Mourad D Khamlichi, Alex De Groot, Frederik Pauwels, Frédéric Delouvroy, Kristof Van Emelen, Kenneth Simmen, Pierre Raboisson
Direct acting antiviral agents to cure hepatitis C virus (HCV) infection has emerged as the gold standard therapy. Along with protease inhibitors, nucleoside polymerase inhibitors and non-nucleoside polymerase inhibitors, the inhibition of NS5a has proved to be an effective way to treat HCV patients. Here we report on novel HCV NS5a inhibitors which were synthesized and evaluated in the HCV replicon assay. A series of inhibitors were formed by a cycloaddition reaction in parallel to establish new leads and explore the effects of unsymmetrical cap substitution...
March 14, 2017: Molecular Diversity
https://www.readbyqxmd.com/read/28293044/amyloid-beta-immunotherapy-the-hope-for-alzheimer-disease
#20
REVIEW
Alvaro Barrera-Ocampo, Francisco Lopera
Alzheimer disease (AD) is the most prevalent form of dementia of adult-onset, characterized by progressive impairment in cognition and memory. There is no cure for the disease and the current treatments are only symptomatic. Drug discovery is an expensive and time-consuming process; in the last decade no new drugs have been found for AD despite the efforts of the scientific community and pharmaceutical companies. The Aβ immunotherapy is one of the most promising approaches to modify the course of AD. This therapeutic strategy uses synthetic peptides or monoclonal antibodies (mAb) to decrease the Aβ load in the brain and slow the progression of the disease...
December 30, 2016: Colombia Médica: CM
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