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https://www.readbyqxmd.com/read/28212363/vegf-inhibitors-in-renal-cell-carcinoma
#1
Pankit Vachhani, Saby George
The arrival of targeted therapies-vascular endothelial growth factor (VEGF) pathway inhibitors and mammalian target of rapamycin (mTOR) inhibitors-and programmed death 1 (PD-1) inhibitors has transformed the management of renal cell carcinoma (RCC). Once considered fatal, with a median survival of approximately 1 year, these agents have nearly tripled overall survival and have raised hopes of a possible cure for advanced RCC. This review begins with a brief discussion of the seminal von Hippel-Lindau/hypoxia-inducible factor axis in RCC...
December 2016: Clinical Advances in Hematology & Oncology: H&O
https://www.readbyqxmd.com/read/28210556/are-breast-cancer-stem-cells-the-key-to-resolving-clinical-issues-in-breast-cancer-therapy
#2
REVIEW
Hidetaka Shima, Akimitsu Yamada, Takashi Ishikawa, Itaru Endo
Despite the dramatic advances in breast cancer treatment over the past two decades, it is still the most common malignancies in women. One of the reasons patients succumb to breast cancer is treatment resistance leading to metastasis and recurrence. Recently, cancer stem cells (CSCs) have been suggested as a cause of metastasis and recurrence in several cancers because of their unique characteristics, including self-renewal, pluripotency, and high proliferative ability. Increasing evidence has implicated breast cancer stem cells (BCSCs) as essential for tumor development, progression, recurrence, and treatment resistance...
February 2017: Gland Surgery
https://www.readbyqxmd.com/read/28210382/paraneoplastic-dermatomyositis-with-cutaneous-and-myopathic-disease-responsive-to-adrenocorticotropic-hormone-therapy
#3
Marisa Wolff, Christopher Mancuso, Karan Lal, Damian Dicostanzo, Charles Gropper
Dermatomyositis is a myopathic or amyopathic autoimmune connective tissue disease that presents with classic dermatologic findings ranging from: poikilodermatous photosensitivity (shawl sign), eyelid edema and violaceous-pigmentation (heliotrope sign), lichenoid eruptions on the knuckles and elbows (Gottron's sign), periungual telangiectasias, and ragged cuticles (Samitz sign). Up to 30 percent of adult-onset cases of dermatomyositis may represent a paraneoplastic syndrome warranting a thorough work-up for malignancy...
January 2017: Journal of Clinical and Aesthetic Dermatology
https://www.readbyqxmd.com/read/28209615/targeted-degradation-of-bet-proteins-in-triple-negative-breast-cancer
#4
Longchuan Bai, Bing Zhou, Chao-Yie Yang, Jiao Ji, Donna McEachern, Sally Przybranowski, Hui Jiang, Jiantao Hu, Fuming Xu, Yujun Zhao, Liu Liu, Ester Fernandez-Salas, Jing Xu, Yali Dou, Bo Wen, Duxin Sun, Jennifer L Meagher, Jeanne Stuckey, Daniel F Hayes, Shunqiang Li, Matthew J Ellis, Shaomeng Wang
Triple-negative breast cancers (TNBC) remain clinically challenging with a lack of options for targeted therapy. In this study, we report the development of a second-generation BET bromodomain (BRD) inhibitor, BETd-246, which exhibits superior selectivity, potency and antitumor activity. In human TNBC cells, BETd-246 induced degradation of BET transcription factors at low nanomolar concentrations within 1 hr of exposure, resulting in robust growth inhibition and apoptosis. BETd-246 was more potent and effective in TNBC cells than its parental BET inhibitor compound BETi-211...
February 16, 2017: Cancer Research
https://www.readbyqxmd.com/read/28208987/bcl6-mrna-expression-level-in-invasive-duct-carcinoma-not-otherwise-specified
#5
Eman Badr, Eman Masoud, Asmaa Gaber Abdou, Marwa Serag Eldien
INTRODUCTION: B-Cell Lymphoma 6 (BCL6) has an oncogenic role in tumourigenesis of various malignancies. It represses genes involved in terminal differentiation and plays complementary role with Signal Transducer and Activator of Transcription 3 (STAT3) in triple-negative breast cancer cellular function. AIM: To evaluate the expression of BCL6 in cancer breast and determine its correlation with the clinico-pathological features including the molecular subtype of breast carcinoma...
December 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28207505/efficacy-of-1st-line-bismuth-containing-quadruple-therapies-with-levofloxacin-or-clarithromycin-for-the-eradication-of-helicobacter-pylori-infection-a-1-week-open-label-randomized-trial
#6
Jing Su, Xiaoying Zhou, Han Chen, Bo Hao, Weifeng Zhang, Guoxin Zhang
BACKGROUND: The aim of the present open-label, randomized control trial was to determine the clinical efficacy and safety of two 1-week bismuth-containing quadruple regimens and 1 levofloxacin-based triple regimen for the eradication of Helicobacter pylori infection in treatment-naive patients. The influence of susceptibility and host CYP2C19 polymorphisms on the efficacy was also evaluated. METHODS: Eligible patients were randomly to receive esomeprazole and colloidal bismuth pectin along with clarithromycin and amoxicillin (EBCA), esomeprazole and colloidal bismuth pectin along with levofloxacin and amoxicillin (EBLA), or esomeprazole along levofloxacin and amoxicillin (ELA) for 1 week...
February 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28205193/new-therapeutic-strategies-for-triple-negative-breast-cancer
#7
REVIEW
Borbála Székely, Andrea L M Silber, Lajos Pusztai
Relatively few clinically important therapeutic advances have occurred in the treatment of triple-negative breast cancer (TNBC) since the introduction of taxanes as adjuvant therapy over 20 years ago. However, this is rapidly changing due to a variety of conceptually important clinical trials and emerging new options such as immune checkpoint inhibitors and antibody-drug conjugates. Evidence also increasingly supports that platinum drugs and inhibitors of poly (ADP-ribose) polymerase, or PARP, are particularly effective in the treatment of germline BRCA-mutant cancers, including TNBC...
February 15, 2017: Oncology (Williston Park, NY)
https://www.readbyqxmd.com/read/28203337/comparison-of-the-efficacy-of-three-natural-surfactants-curosurf-survanta-and-alveofact-in-the-treatment-of-respiratory-distress-syndrome-among-neonates-a-randomized-controlled-trial
#8
Mirhadi Mussavi, Keyvan Mirnia, Khairollah Asadollahi
BACKGROUND: Although several different types of natural surfactants are available, including Alveofact, Curosurf, and Survanta, the preferred type and the magnitude of their effects are unknown. OBJECTIVES: This study was designed to compare the effects of these three surfactants on the gas exchange and clinical outcomes of neonates with respiratory distress syndrome (RDS). METHODS: This triple-blind randomized clinical trial studied all preterm neonates ≤ 37 weeks with RDS who were admitted to the neonatal intensive care unit (NICU) of Taleghani hospital (Tabriz, Iran) between 2012 and 2013...
October 2016: Iranian Journal of Pediatrics
https://www.readbyqxmd.com/read/28203301/progress-with-palbociclib-in-breast-cancer-latest-evidence-and-clinical-considerations
#9
REVIEW
Andrea Rocca, Alessio Schirone, Roberta Maltoni, Sara Bravaccini, Lorenzo Cecconetto, Alberto Farolfi, Giuseppe Bronte, Daniele Andreis
Deregulation of the cell cycle is a hallmark of cancer, and research on cell cycle control has allowed identification of potential targets for anticancer treatment. Palbociclib is a selective inhibitor of the cyclin-dependent kinases 4 and 6 (CDK4/6), which are involved, with their coregulatory partners cyclin D, in the G1-S transition. Inhibition of this step halts cell cycle progression in cells in which the involved pathway, including the retinoblastoma protein (Rb) and the E2F family of transcription factors, is functioning, although having been deregulated...
February 2017: Therapeutic Advances in Medical Oncology
https://www.readbyqxmd.com/read/28199983/a-versatile-system-for-rapid-multiplex-genome-edited-car-t-cell-generation
#10
Jiangtao Ren, Xuhua Zhang, Xiaojun Liu, Chongyun Fang, Shuguang Jiang, Carl H June, Yangbing Zhao
The therapeutic potential of CRISPR system has already been demonstrated in many instances and begun to overlap with the rapidly expanding field of cancer immunotherapy, especially on the production of genetically modified T cell receptor or chimeric antigen receptor (CAR) T cells. Efficient genomic disruption of multiple gene loci to generate universal donor cells, as well as potent effector T cells resistant to multiple inhibitory pathways such as PD-1 and CTLA4 is an attractive strategy for cell therapy...
February 9, 2017: Oncotarget
https://www.readbyqxmd.com/read/28198380/a-novel-orally-bioavailable-compound-kpt-9274-inhibits-pak4-and-blocks-triple-negative-breast-cancer-tumor-growth
#11
Chetan Rane, William Senapedis, Erkan Baloglu, Yosef Landesman, Marsha Crochiere, Soumyasri Das-Gupta, Audrey Minden
Breast cancer is a heterogeneous disease consisting of several subtypes. Among these subtypes, triple negative breast cancer is particularly difficult to treat. This is due to a lack of understanding of the mechanisms behind the disease, and consequently a lack of druggable targets. PAK4 plays critical roles in cell survival, proliferation, and morphology. PAK4 protein levels are high in breast cancer cells and breast tumors, and the gene is often amplified in basal like breast cancers, which are frequently triple negative...
February 15, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28198358/combination-of-aprepitant-azasetron-and-dexamethasone-as-antiemetic-prophylaxis-in-women-with-gynecologic-cancers-receiving-paclitaxel-carboplatin-therapy
#12
Masafumi Koshiyama, Noriomi Matsumura, Saeko Imai, Koji Yamanoi, Kaoru Abiko, Yumiko Yoshioka, Ken Yamaguchi, Junzo Hamanishi, Tsukasa Baba, Ikuo Konishi
BACKGROUND The aim of this study was to evaluate the antiemetic effect of aprepitant and to determine how to provide triple combination therapy (aprepitant/azasetron/dexamethasone) to women receiving paclitaxel/carboplatin moderately emetogenic chemotherapy (MEC). MATERIAL AND METHODS The current study was a prospective study of 163 women with gynecologic cancers. We compared the digestive symptoms scores (nausea, vomiting, appetite loss, and dietary intake) of 37 women with ovarian cancers before and after aprepitant administration...
February 15, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/28198203/enteral-administration-of-twice-daily-dolutegravir-and-rilpivirine-as-a-part-of-a-triple-therapy-regimen-in-a-critically-ill-patient-with-hiv
#13
Sarah Lynn Turley, Patricia Pecora Fulco
The administration of antiretroviral therapy (ART) in intubated critically ill patients may be challenging. Limited pharmacokinetic data exist characterizing the effects of crushed ART with subsequent enteral administration on antiretroviral drug concentrations or the clinical impact on HIV virologic suppression. We report a case of a 27-year-old HIV-positive male with presumed multidrug-resistant HIV and a diagnosis of lymphoma who required enteral ART administration after intensive care unit admission. Crushed twice-daily dolutegravir (separated from enteral nutrition by 2 hours) and rilpivirine (concurrently with a bolus feed) were administered via an orogastric tube...
January 1, 2017: Journal of the International Association of Providers of AIDS Care
https://www.readbyqxmd.com/read/28196852/inpp4b-and-pten-loss-leads-to-pi-3-4-p2-accumulation-and-inhibition-of-pi3k-in-tnbc
#14
Darien E Reed, Kevan M Shokat
: Triple-negative breast cancer [TNBC, lacks expression of estrogen receptor (ER), progesterone receptor (PR) and amplification of HER2/Neu] remains one of the most aggressive subtypes, affects the youngest patients and still lacks an effective targeted therapy(1,2). Both phosphatidylinositol-3-kinase (PI3K)-α and -β contribute to oncogenesis of solid tumors, including the development of breast cancer(3). Inositol polyphosphate-4-phosphatase type II (INPP4B) catalyzes the removal of the 4'-phosphate of phosphatidylinositol-(3,4-bisphosphate (PI-3,4-P2) creating phosphatidylinositol-3-phosphate(4)...
February 14, 2017: Molecular Cancer Research: MCR
https://www.readbyqxmd.com/read/28195880/pd-l1-expression-and-intratumoral-heterogeneity-across-breast-cancer-subtypes-and-stages-an-assessment-of-245-primary-and-40-metastatic-tumors
#15
Erik A Dill, Alejandro A Gru, Kristen A Atkins, Lisa A Friedman, Margaret E Moore, Timothy N Bullock, Janet V Cross, Patrick M Dillon, Anne M Mills
Tumor expression of programmed cell death ligand 1 (PD-L1) is associated with immune evasion in a variety of malignancies, including a subset of triple-negative breast carcinomas, and may mark cancers as susceptible to PD-1/PD-L1 inhibitor therapies. We herein characterize PD-L1 expression in breast cancers across the full range of histomorphologies and investigate its intratumoral heterogeneity and fidelity across primaries and metastases. A total of 245 primary and 40 metastatic (20 nodal, 20 distant) breast carcinomas were evaluated with PD-L1 immunohistochemistry on tissue microarray...
March 2017: American Journal of Surgical Pathology
https://www.readbyqxmd.com/read/28194662/mmtv-pymt-and-derived-met-1-mouse-mammary-tumor-cells-as-models-for-studying-the-role-of-the-androgen-receptor-in-triple-negative-breast-cancer-progression
#16
Jessica L Christenson, Kiel T Butterfield, Nicole S Spoelstra, John D Norris, Jatinder S Josan, Julie A Pollock, Donald P McDonnell, Benita S Katzenellenbogen, John A Katzenellenbogen, Jennifer K Richer
Triple-negative breast cancer (TNBC) has a faster rate of metastasis compared to other breast cancer subtypes, and no effective targeted therapies are currently FDA-approved. Recent data indicate that the androgen receptor (AR) promotes tumor survival and may serve as a potential therapeutic target in TNBC. Studies of AR in disease progression and the systemic effects of anti-androgens have been hindered by the lack of an AR-positive (AR+) immunocompetent preclinical model. In this study, we identified the transgenic MMTV-PyMT (mouse mammary tumor virus-polyoma middle tumor-antigen) mouse mammary gland carcinoma model of breast cancer and Met-1 cells derived from this model as tools to study the role of AR in breast cancer progression...
February 13, 2017: Hormones & Cancer
https://www.readbyqxmd.com/read/28194329/understanding-breast-cancer-the-long-and-winding-road
#17
REVIEW
Kiven Erique Lukong
BACKGROUND: Despite a remarkable increase in the depth of our understanding and management of breast cancer in the past 50 years, the disease is still a major public health problem worldwide and poses significant challenges. The palpability of breast tumors has facilitated diagnosis and documentation since ancient times. The earliest descriptions of breast cancer date back to around 3500 BCE. For centuries to follow, theories by Hippocrates (460 BCE) and Galen (200 CE), attributing the cause of breast cancer to an "excess of black bile" and treatment options including the use of opium and castor oil, prevailed...
June 2017: BBA Clinical
https://www.readbyqxmd.com/read/28193745/clarithromycin-based-triple-therapy-is-still-useful-as-an-initial-treatment-for-helicobacter-pylori-infection-in-the-dominican-republic
#18
Muhammad Miftahussurur, Modesto Cruz, Phawinee Subsomwong, José A Jiménez Abreu, Celso Hosking, Hiroyuki Nagashima, Junko Akada, Yoshio Yamaoka
Helicobacter pylori antibiotic susceptibility in the Dominican Republic has not been monitored. We assessed Hpylori antibiotic susceptibility in the Dominican Republic, and analyzed Hpylori mutations associated with antibiotic resistance. We recruited 158 dyspeptic patients in Santo Domingo and used agar dilution to test susceptibility to five antibiotics. Polymerase chain reaction-based sequencing was used to assess gyrA, gyrB, rdxA, frxA, and 23S rRNA mutations; next-generation sequencing was used to identify other metronidazole resistance-associated genes...
February 13, 2017: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/28192453/refining-criteria-for-selecting-candidates-for-a-safe-lopinavir-ritonavir-or-darunavir-ritonavir-monotherapy-in-hiv-infected-virologically-suppressed-patients
#19
Nicola Gianotti, Alessandro Cozzi-Lepri, Andrea Antinori, Antonella Castagna, Andrea De Luca, Benedetto Maurizio Celesia, Massimo Galli, Cristina Mussini, Carmela Pinnetti, Vincenzo Spagnuolo, Antonella d'Arminio Monforte, Francesca Ceccherini-Silberstein, Massimo Andreoni
OBJECTIVE: The primary objective of this study was to estimate the incidence of treatment failure (TF) to protease inhibitor monotherapies (PI/r-MT) with lopinavir/ritonavir (LPV/r) or darunavir/ritonavir (DRV/r). DESIGN: A multicenter cohort of HIV-infected patients with viral load (VL) ≤50 copies/mL, who underwent a switch from any triple combination therapy to PI/r-MT with either LPV/r or DRV/r. METHODS: VL was assessed in each center according to local procedures...
2017: PloS One
https://www.readbyqxmd.com/read/28192434/adverse-effects-of-mefloquine-for-the-treatment-of-uncomplicated-malaria-in-thailand-a-pooled-analysis-of-19-850-individual-patients
#20
Sue J Lee, Feiko O Ter Kuile, Ric N Price, Christine Luxemburger, François Nosten
Mefloquine (MQ) has been used for the treatment of malaria since the mid-1980s, first as monotherapy or as fixed combination with sulfadoxine-pyrimethamine (MSP) and since the mid-1990s in combination with artesunate. There is a renewed interested in MQ as part of a triple therapy for the treatment of multi-drug resistance P. falciparum malaria. The widespread use of MQ beyond south-East Asia has been constrained by reports of poor tolerability. Here we present the side effect profile of MQ for the treatment of uncomplicated malaria on the Thai-Myanmar/Cambodia borders...
2017: PloS One
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