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https://www.readbyqxmd.com/read/28330260/impact-of-forest-vegetation-on-soil-characteristics-a-correlation-between-soil-biological-and-physico-chemical-properties
#1
L R Chandra, S Gupta, V Pande, N Singh
Temperate and dry deciduous forest covers major portion of terrestrial ecosystem in India. The two forest types with different dominant tree species differ in litter quality and root exudates, thereby exerting species-specific impact on soil properties and microbial activity. This study aims to examine the influence of forest type or dominant tree species on soil physico-chemical properties and its relationship with microbial characters in temperate and dry deciduous forest types. We assessed soil physico-chemical properties among five different sites located within the selected forest stand covered by different dominant species...
December 2016: 3 Biotech
https://www.readbyqxmd.com/read/28324265/cardiac-safety-efficacy-and-correlation-of-serial-serum-her2-extracellular-domain-shed-antigen-measurement-with-the-outcome-of-the-combined-trastuzumab-plus-cmf-in-women-with-her2-positive-metastatic-breast-cancer-results-from-the-eortc-10995-phase-ii-study
#2
Konstantinos Tryfonidis, S Marreaud, H Khaled, B De Valk, J Vermorken, M Welnicka-Jaskiewicz, K Aalders, J M S Bartlett, L Biganzoli, J Bogaerts, David Cameron
PURPOSE: Cardiotoxicity is a side effect of trastuzumab. We assessed efficacy and cardiac safety of CMF with trastuzumab (CMF+T) in HER2-positive metastatic breast cancer patients (MBC). METHODS: In this phase II study, centrally confirmed, previously treated HER2-positive MBC patients with measurable disease (per RECIST v 1.0) were enrolled. Initially, patients were randomized between 8 CMF cycles alone or combined with trastuzumab during chemotherapy, followed by 3-weekly trastuzumab maintenance till progression...
March 21, 2017: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/28320754/do-memory-b-cells-form-secondary-germinal-center-cells-yes-and-no
#3
Mark J Shlomchik
Memory is the defining feature of the adaptive immune system. Humoral immune memory is largely though not exclusively generated in the germinal center (GC), which spawns long-lived plasma cells that support ongoing serum antibody titers as well as "memory B cells" (MBCs) that persist in the immune host at expanded frequencies. Upon reencounter with antigen, these MBCs are reactivated and potentially can contribute to protection by further expansion, rapid differentiation to antibody-forming cells, and/or reseeding of a new round of GCs along with somatic V region mutation and selection...
March 20, 2017: Cold Spring Harbor Perspectives in Biology
https://www.readbyqxmd.com/read/28319732/an-antigen-to-remember-regulation-of-b-cell-memory-in-health-and-disease
#4
REVIEW
Aleta Pupovac, Kim L Good-Jacobson
Vaccine success relies on the formation of immunity. Humoral immunity is critical and is mediated by long-lived antibody-secreting cells and memory B cells (MBCs). Chronic infectious diseases cause a significant global burden of disease; pathogens that evade the immune system can cause phenotypical and functional changes to immune memory populations. Thus, recent studies have focused on MBC subset function. IgM(+) MBCs have emerged as important early responders in malaria. Atypical MBCs have functional qualities associated with exhaustion in chronic infectious diseases, but the requirements for their formation and where they localize remains unknown...
March 16, 2017: Current Opinion in Immunology
https://www.readbyqxmd.com/read/28314835/endocrine-therapy-in-the-current-management-of-postmenopausal-estrogen-receptor-positive-metastatic-breast-cancer
#5
Virginia G Kaklamani, William J Gradishar
Metastatic breast cancer (MBC) results in substantial morbidity and mortality for women afflicted with this disease. A majority of MBCs are hormone-responsive and estrogen receptor-positive, making endocrine therapy (ET) an integral component of systemic therapy. With a primary goal of minimizing the effects of estrogen on hormone-responsive MBC, ETs are among the first targeted treatments that aim to inhibit the influence of estrogen receptor activation on tumor proliferation. Several biochemical mechanisms have been the focus of drug development for treatment, including selective estrogen-receptor modulation, aromatase inhibition, and selective estrogen-receptor degradation...
March 17, 2017: Oncologist
https://www.readbyqxmd.com/read/28314310/first-line-bevacizumab-and-paclitaxel-for-her2-negative-metastatic-breast-cancer-a-french-retrospective-observational-study
#6
Veronique Dieras, Simona Pop, Frederique Berger, Marie-Eglantine Dujaric, Philippe Beuzeboc, Laurence Escalup, François Clement Bidard, Paul Henri Cottu, Christophe LE Tourneau, Sophie Piperno-Neumann, Valerie Laurence, Mathieu Robain, Bernard Asselain, Jean-Yves Pierga
AIM: To assess outcomes in patients treated with first-line bevacizumab-containing therapy for human epidermal growth factor receptor (HER)2-negative metastatic breast cancer (mBC) at a single centre with a homogenous standard-of-care. PATIENTS AND METHODS: Information on patient and disease characteristics, efficacy, and safety was extracted from computer-based records of all patients receiving first-line bevacizumab-paclitaxel at the Curie Institute, Paris, France, between 2008 and 2011...
March 2017: Anticancer Research
https://www.readbyqxmd.com/read/28299978/in-vitro-antibacterial-antifungal-and-antioxidant-activities-of-eucalyptus-spp-leaf-extracts-related-to-phenolic-composition
#7
Hosam O Elansary, Mohamed Z M Salem, Nader A Ashmawy, Kowiyou Yessoufou, Ahmed A A El-Settawy
The crude methanolic extracts from leaves of Eucalyptus camaldulensis L., E. camaldulensis var obtusa and E. gomphocephala grown in Egypt were investigated to explore their chemical composition as well as their antibacterial, antifungal and antioxidant activities. Major phenolics found were ellagic acid, quercetin 3-O-rhamnoside, quercetin 3-O-b-D-glucuronide, caffeic acid and chlorogenic acid. The antioxidant activities were examined by the 2,2'-diphenypicrylhydrazyl (DPPH) and β-Carotene-linoleic acid assays...
March 16, 2017: Natural Product Research
https://www.readbyqxmd.com/read/28296916/the-efficacy-and-toxicity-profile-of-metronomic-chemotherapy-for-metastatic-breast-cancer-a-meta-analysis
#8
Yangyang Liu, Feifei Gu, Jinyan Liang, Xiaomeng Dai, Chao Wan, Xiaohua Hong, Kai Zhang, Li Liu
PURPOSE: The current meta-analysis aimed to summarize the available evidence for the efficacy and serious adverse events (AEs) associated with use of metronomic chemotherapy (MCT) in patients with metastatic breast cancer (MBC). METHOD: Electronic databases (PubMed, EMBASE database, Web of Knowledge, and the Cochrane database) were systematically searched for articles related to the use of MCT in MBC patients. Eligible studies included clinical trials of MBC patients treated with MCT that presented sufficient data related to tumor response, progression-free survival (PFS), overall survival (OS), and grade 3/4 AEs...
2017: PloS One
https://www.readbyqxmd.com/read/28291943/a-new-combination-of-a-pleuromutilin-derivative-and-doxycycline-for-treatment-of-multidrug-resistant-acinetobacter-baumannii
#9
Shajila Siricilla, Katsuhiko Mitachi, Junshu Yang, Shakiba Eslamimehr, Maddie R Lemieux, Bernd Meibohm, Yinduo Ji, Michio Kurosu
Multidrug-resistant (MDR) Acinetobacter baumannii is one of the most difficult Gram-negative bacteria to treat and eradicate. In a cell-based screening of pleuromutilin derivatives against a drug sensitive A. baumannii strain, new molecules (2-4) exhibit bacteriostatic activity with 3.13 μg/mL concentration and 1 shows bactericidal activity with an MBC of 6.25 μg/mL. The pleuromutilin derivative 1 displays strong synergistic effects with doxycycline in a wide range of concentrations. A 35/1 ratio of 1 and doxycycline (1-Dox 35/1) kills drug susceptible A...
March 22, 2017: Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/28290664/differential-pharmacophore-definition-of-the-camp-binding-sites-of-ncs-rapgef2-pka-and-epac-in-neuroendocrine-cells-using-an-adenine-based-scaffold
#10
Andrew Clayton Emery, Ryan A Alvarez, Maribeth V Eiden, Wenqin Xu, Fabrice G Simeon, Lee E Eiden
We recently reported that the adenylate cyclase (AC) inhibitor SQ22,536 (9-tetrahydrofuranyl-adenine) also has inhibitory activity against the neuroendocrine-specific neuritogenic cAMP sensor-Rapgef2 (NCS-Rapgef2), a guanine nucleotide exchanger and activator for the small effector GTPase Rap1. Cell-based assays that distinguish signaling through the three intracellular cAMP sensors NCS-Rapgef2, exchange protein activated by cAMP (Epac), and protein kinase A (PKA), as well as AC, were used. These, collectively, assess the activities of adenine (6-amino-purine) derivatives modified at several positions to enhance selectivity for NCS-Rapgef2 by decreasing affinity for adenylate cyclase (AC), without increasing affinity for PKA or Epac...
March 14, 2017: ACS Chemical Neuroscience
https://www.readbyqxmd.com/read/28289368/mbc-news
#11
(no author information available yet)
No abstract text is available yet for this article.
December 31, 2016: Annals of Burns and Fire Disasters
https://www.readbyqxmd.com/read/28288595/mindful-yoga-for-women-with-metastatic-breast-cancer-design-of-a-randomized-controlled-trial
#12
James W Carson, Kimberly M Carson, Maren K Olsen, Linda Sanders, Laura S Porter
BACKGROUND: Women with metastatic breast cancer (MBC) have average life expectancies of about 2 years, and report high levels of disease-related symptoms including pain, fatigue, sleep disturbance, psychological distress, and functional impairment. There is growing recognition of the limitations of medical approaches to managing such symptoms. Yoga is a mind-body discipline that has demonstrated a positive impact on psychological and functional health in early stage breast cancer patients and survivors, but has not been rigorously studied in advanced cancer samples...
March 13, 2017: BMC Complementary and Alternative Medicine
https://www.readbyqxmd.com/read/28288388/increased-life-expectancy-as-a-result-of-non-hormonal-targeted-therapies-for-her2-or-hormone-receptor-positive-metastatic-breast-cancer-a-systematic-review-and-meta-analysis
#13
REVIEW
Rositsa G Koleva-Kolarova, Monika P Oktora, Annelies L Robijn, Marcel J W Greuter, Anna K L Reyners, Erik Buskens, Geertruida H de Bock
This article aimed to assess the clinical effectiveness of non-hormonal targeted therapies (TTs) in terms of increase of median progression-free survival (PFS) and overall survival (OS) in receptor-positive metastatic breast cancer (MBC) patients by performing a systematic review and meta-analysis. We systematically searched relevant randomized controlled trials and extracted data about number of patients on targeted and comparator therapy, receptor status, line of treatment, median PFS and OS, p values, hazard ratios (HRs) and 95% confidence intervals (CI)...
February 20, 2017: Cancer Treatment Reviews
https://www.readbyqxmd.com/read/28287494/synthetic-peptides-derived-from-bovine-lactoferricin-exhibit-antimicrobial-activity-against-e-coli-atcc-11775-s-maltophilia-atcc-13636-and-s-enteritidis-atcc-13076
#14
Nataly De Jesús Huertas Méndez, Yerly Vargas Casanova, Anyelith Katherine Gómez Chimbi, Edith Hernández, Aura Lucia Leal Castro, Javier Mauricio Melo Diaz, Zuly Jenny Rivera Monroy, Javier Eduardo García Castañeda
Linear, dimeric, tetrameric, and cyclic peptides derived from lactoferricin B-containing non-natural amino acids and the RWQWR motif were synthesized, purified, and characterized using RP-HPLC, MALDI-TOF mass spectrometry, and circular dichroism. The antibacterial activity of peptides against Escherichia coli ATCC 11775, Stenotrophomonas maltophilia ATCC 13636, and Salmonella enteritidis ATCC 13076 was evaluated. The minimum inhibitory concentration (MIC) and minimum bactericidal concentration (MBC) were determined...
March 12, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28286150/antimicrobial-activity-of-crude-fractions-and-morel-compounds-from-wild-edible-mushrooms-of-north-western-himalaya
#15
Nowsheen Shameem, Azra N Kamili, Mushtaq Ahmad, F A Masoodi, Javid A Parray
The antimicrobial properties of morel compounds from wild edible mushrooms (Morchella esculenta and Verpa bohemica) from Kashmir valley was investigated against different clinical pathogens. The butanol crude fraction of most popular or true morel M. esculenta showed highest 19 mm IZD against E.coli while as same fraction of Verpa bohemica exhibited 15 mm IZD against same strain. The ethyl acetate and butanol crude fractions of both morels also exhibited good antifungal activity with highest IZD shown against A...
March 7, 2017: Microbial Pathogenesis
https://www.readbyqxmd.com/read/28284521/-in-vitro-susceptibility-of-trichoconiella-padwickii-to-various-active-ingredients-used-as-fungicides-in-the-cultivation-of-rice
#16
Alfonso D Lovato Echeverria, Susana A Gutiérrez, Marcelo A Carmona
The aim of this study was to evaluate in vitro the mycelial susceptibility of Trichoconiella padwickii to different active ingredients through average median concentration IC50 calculation. Inoculum disks were seeded on bean agar at different concentrations (0.1; 1; 10; 30, 50; 100 and 1000mg/l) of various fungicides. After seven days the colony diameter was measured. The data obtained were fitted to nonlinear regression models. Susceptibility was classified using the scale proposed by Edgington. The results show that the pathogen is very sensitive to products that act on the respiratory chain (quinone outside inhibitors [QoI] and succinate dehydrogenase inhibitors [SDHI]) and cell membrane (multi-site contact activity), and moderately sensitive to those products interfering with cell division (methyl benzimidazole carbamates [MBC]), synthesis of nucleic acids (phenylamides [PA]) and osmotic signal transduction (multi-site contact activity)...
March 8, 2017: Revista Argentina de Microbiología
https://www.readbyqxmd.com/read/28279895/systematic-analysis-of-early-phase-clinical-studies-for-patients-with-breast-cancer-inclusion-of-patients-with-brain-metastasis
#17
REVIEW
R Costa, N Gill, A W Rademaker, B A Carneiro, Y K Chae, P Kumthekar, W J Gradishar, R Kurzrock, F J Giles
PURPOSE: This systematic review aims to better define the limitations and patterns with which patients with MBC and CNS metastasis are enrolled into early phase developmental therapeutics trials. METHODS: In June 2016, PubMed search was conducted using the following keywords: "Breast cancer". Drug-development phase 1, phase 2 or phase 1/2 trials for patients with MBC were included. Multiple-histology trials and trials without an efficacy endpoint were excluded. RESULTS: In total, 1474 studies were included; Inclusion criteria for 423 (29%) allowed for CNS metastasis, 770 (52%) either excluded or did not document eligibility of patients with CNS disease...
February 22, 2017: Cancer Treatment Reviews
https://www.readbyqxmd.com/read/28278597/a-digital-feedback-system-to-support-implementation-of-measurement-based-care-by-school-based-mental-health-clinicians
#18
Aaron R Lyon, Michael D Pullmann, Kelly Whitaker, Kristy Ludwig, Jessica Knaster Wasse, Elizabeth McCauley
Evidence supports the utility of measurement-based care (MBC) to improve youth mental health outcomes, but clinicians rarely engage in MBC practices. Digital measurement feedback systems (MFS) may reflect a feasible strategy to support MBC adoption and sustainment. This pilot study was initiated to evaluate the impact of a MFS and brief consultation supports to facilitate MBC uptake and sustainment among mental health clinicians in the education sector, the most common mental health service delivery setting for youth...
March 2, 2017: Journal of Clinical Child and Adolescent Psychology
https://www.readbyqxmd.com/read/28275032/patterns-of-utilization-of-imaging-studies-and-serum-tumor-markers-among-patients-with-de-novo-metastatic-breast-cancer
#19
Antonio Di Meglio, Nancy U Lin, Rachel A Freedman, William T Barry, Eric P Winer, Ines Vaz-Luis
Background: When monitoring patients with metastatic breast cancer (mBC), the optimal strategies for imaging and utilization of tumor markers (TM) are uncertain. Patients and Methods: We used a retrospective cohort of 302 patients with de novo mBC treated from 2000 to 2012 at Dana-Farber Cancer Institute to describe the type and timing of imaging and TM testing during the first line of treatment (baseline, first, and subsequent testing). Results: At baseline, all patients had staging scans, with increasing use of PET/PET-CT (17...
March 2017: Journal of the National Comprehensive Cancer Network: JNCCN
https://www.readbyqxmd.com/read/28274037/antimicrobial-effects-of-garcinia-mangostana-on-cariogenic-microorganisms
#20
Sunitha Janardhanan, Jaideep Mahendra, A S Smiline Girija, Little Mahendra, Vijayashree Priyadharsini
INTRODUCTION: Garcinia mangostana commonly called as Mangosteen fruit has been used as an antibacterial agent since age old times. The mangosteen pericarp has proven to have antibacterial effect, but the effect of the same on cariogenic organisms has not been explored. The present study was an attempt to gain a better understanding of the antibacterial effect of mangosteen pericarp on the cariogenic bacteria, to unravel the therapeutic potential for the same. AIM: The aim of the study was to assess the antibacterial efficacy of the crude chloroform extract of mangosteen pericarp against cariogenic bacteria...
January 2017: Journal of Clinical and Diagnostic Research: JCDR
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