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https://www.readbyqxmd.com/read/27924730/congenital-malformations-attributed-to-prenatal-exposure-to-cyclophosphamide
#1
Padmanabhan Rengasamy
Cyclophosphamide (CPA) remains one of the most widely prescribed anticancer drugs. It is also used in the treatment of rheumatoid arthritis, childhood nephrotic syndrome and systemic lupus erythematosus. It is a potent immunosuppressive agent. It is commonly used in blood and bone marrow transplantation. With the growing trend among women postponing childbearing, the number of women who are diagnosed with breast cancer is also increasing thus escalating the chances of exposure of the unborn child to antineoplastic drugs...
December 6, 2016: Anti-cancer Agents in Medicinal Chemistry
https://www.readbyqxmd.com/read/27924634/the-promise-of-circulating-tumor-cells-for-precision-cancer-therapy
#2
William L Hwang, Katie L Hwang, David T Miyamoto
The rapidly growing array of therapeutic options in cancer requires informative biomarkers to guide the rational selection and precision application of appropriate therapies. Circulating biomarkers such as circulating tumor cells have immense potential as noninvasive, serial 'liquid biopsies' that may be more representative of the complete spectrum of a patient's individual malignancy than spatially and temporally restricted tumor biopsies. In this review, we discuss the current state-of-the-art in the isolation and molecular characterization of circulating tumor cells as well as their utility in a wide range of clinical applications such as prognostics, treatment monitoring and identification of novel therapeutic targets and resistance mechanisms to enable real-time adjustments in the clinical management of cancer...
December 7, 2016: Biomarkers in Medicine
https://www.readbyqxmd.com/read/27918984/hypertension-among-adults-exposed-to-drinking-water-arsenic-in-northern-chile
#3
Emily M Hall, Johanna Acevedo, Francisca González López, Sandra Cortés, Catterina Ferreccio, Allan H Smith, Craig M Steinmaus
BACKGROUND: A growing number of studies have identified an association between exposure to inorganic arsenic and hypertension. However, results have not been consistent across studies. Additional studies are warranted, given the global prevalence of both arsenic exposure and morbidity attributable to hypertension. METHODS: We analyzed data collected from October 2007-December 2010 for a population-based cancer case-control study in northern Chile. Data included lifetime individual arsenic exposure estimates and information on potential confounders for a total of 1266 subjects...
December 2, 2016: Environmental Research
https://www.readbyqxmd.com/read/27918408/full-practice-authority-for-nurse-practitioners
#4
Deborah Dillon, Faye Gary
Implementation of the Affordable Care Act (2010) enabled more than 30 million people to have new access to primary care services. On the basis of current utilization patterns, demand for primary care providers is expected to grow more rapidly than physician supply. This imbalance is expected to worsen, as the aging population requires more health care resources. In addition, more patients are requiring critical care services and physician numbers are not keeping with this growing need. Restrictions on resident physician practice hours have impacted inpatient care as well...
January 2017: Nursing Administration Quarterly
https://www.readbyqxmd.com/read/27917170/isolation-and-characterization-of-acinetobacter-baumannii-recovered-from-campylobacter-selective-medium
#5
Dinesh M Fernando, Izhar U H Khan, Rakesh Patidar, David R Lapen, Guylaine Talbot, Edward Topp, Ayush Kumar
Acinetobacter baumannii, a Gram-negative opportunistic pathogen, is known to cause multidrug resistant infections. This organism has primarily been isolated from clinical environments and its environmental reservoirs remain largely unknown. In the present study, we recovered seven isolates of A. baumannii growing under conditions selective for Campylobacter spp. (microaerophilic at 42°C and in the presence of antibiotics) from dairy cattle manure storage tank or surface water impacted by livestock effluents...
2016: Frontiers in Microbiology
https://www.readbyqxmd.com/read/27906132/the-distinct-fate-of-smooth-and-rough-mycobacterium-abscessus-variants-inside-macrophages
#6
Anne-Laure Roux, Albertus Viljoen, Aïcha Bah, Roxane Simeone, Audrey Bernut, Laura Laencina, Therese Deramaudt, Martin Rottman, Jean-Louis Gaillard, Laleh Majlessi, Roland Brosch, Fabienne Girard-Misguich, Isabelle Vergne, Chantal de Chastellier, Laurent Kremer, Jean-Louis Herrmann
Mycobacterium abscessus is a pathogenic, rapidly growing mycobacterium responsible for pulmonary and cutaneous infections in immunocompetent patients and in patients with Mendelian disorders, such as cystic fibrosis (CF). Mycobacterium abscessus is known to transition from a smooth (S) morphotype with cell surface-associated glycopeptidolipids (GPL) to a rough (R) morphotype lacking GPL. Herein, we show that M. abscessus S and R variants are able to grow inside macrophages and are present in morphologically distinct phagosomes...
November 2016: Open Biology
https://www.readbyqxmd.com/read/27905929/smoking-cessation-programmes-using-traditional-medicine-in-korea
#7
Soobin Jang, Yu Lee Park, Ju Ah Lee, Kyeong Han Kim, Eun-Kyoung Lee, Seung-Ho Sun, Yong-Cheol Shin, Seong-Gyu Ko, Sunju Park
BACKGROUND: There are growing interests in using various methods including traditional and complementary medicines (T&CM) for tobacco control. The study aimed to introduce how traditional Korean medicine (TKM) applied to smoking cessation programmes in Korea and to show the detail information of each programme for designing other smoke cessation programmes. METHODS: Reports of the smoke cessation programmes in Korea were searched on March 10th, 2016, from the webpages of the related agencies and the databases: the Ministry of Health and Welfare, the Korea Health Foundation, the Association of Korean Medicine, PubMed, Google scholar, the RISS, the KISS, the NDSL, and the OASIS...
December 1, 2016: BMC Complementary and Alternative Medicine
https://www.readbyqxmd.com/read/27905874/are-sexually-selected-traits-affected-by-a-poor-environment-early-in-life
#8
Regina Vega-Trejo, Michael D Jennions, Megan L Head
BACKGROUND: Challenging conditions experienced early in life, such as a restricted diet, can detrimentally affect key life-history traits. Individuals can reduce these costs by delaying their sexual maturation, albeit at the price of the later onset of breeding, to eventually reach the same adult size as individuals that grow up in a benevolent environment. Delayed maturation can, however, still lead to other detrimental morphological and physiological changes that become apparent later in adulthood (e...
December 1, 2016: BMC Evolutionary Biology
https://www.readbyqxmd.com/read/27902777/the-two-component-system-arlrs-and-alterations-in-metabolism-enable-staphylococcus-aureus-to-resist-calprotectin-induced-manganese-starvation
#9
Jana N Radin, Jessica L Kelliher, Paola K Párraga Solórzano, Thomas E Kehl-Fie
During infection the host imposes manganese and zinc starvation on invading pathogens. Despite this, Staphylococcus aureus and other successful pathogens remain capable of causing devastating disease. However, how these invaders adapt to host-imposed metal starvation and overcome nutritional immunity remains unknown. We report that ArlRS, a global staphylococcal virulence regulator, enhances the ability of S. aureus to grow in the presence of the manganese-and zinc-binding innate immune effector calprotectin...
November 2016: PLoS Pathogens
https://www.readbyqxmd.com/read/27898960/associations-among-methane-emission-traits-measured-in-the-feedlot-and-in-respiration-chambers-in-angus-cattle-bred-to-vary-in-feed-efficiency
#10
R M Herd, J I Velazco, P F Arthur, R F Hegarty
The objective of the study was to evaluate associations among animal performance and methane emission traits under feedlot conditions and in respiration chambers in Angus cattle bred to vary in residual feed intake (RFI), which is a measure of feed efficiency. Fifty-nine cattle were tested for feedlot RFI, of which 41 had methane production recorded on an ad libitum grain-based ration in the feedlot, 59 on a restricted grain-based ration in respiration chambers, and 57 on a restricted roughage ration in respiration chambers...
November 2016: Journal of Animal Science
https://www.readbyqxmd.com/read/27896786/construction-of-efficient-streptococcus-zooepidemicus-strains-for-hyaluoronic-acid-production-based-on-identification-of-key-genes-involved-in-sucrose-metabolism
#11
Xuzhen Zhang, Man Wang, Tuanjie Li, Lixia Fu, Wei Cao, Hao Liu
Biosynthesis of polysaccharide hyaluoronic acid (HA) by Streptococcus zooepidemicus is a carbon-intensive process. The carbon flux and factor(s) restricting HA yield were not well understood. Here, we investigated the function of genes involved in sucrose metabolism and identified targets limiting HA yield, which were exploited to construct efficient S. zooepidemicus strains for HA production. The sucrose uptake was addressed by deletion of scrA and scrB, which encodes sucrose-PTS permease and sucrose-6-phosphate hydrolase, respectively...
December 2016: AMB Express
https://www.readbyqxmd.com/read/27895951/persistent-tachypnea-and-alveolar-hemorrhage-in-an-infant-an-unexpected-etiology
#12
John Bishara, Angela Webb, Christina Valsamis, Claudia Halaby, Melodi Pirzada
Persistent tachypnea and failure to thrive during infancy have a broad differential diagnosis which includes pulmonary and cardiovascular disorders. Diffuse alveolar hemorrhage (DAH) is a rare entity in children. DAH requires an extensive work-up as certain conditions may need chronic therapy. Cardiovascular disorders are included in the etiology of DAH. We present a case of an 8-month-old female with a moderate, restrictive patent ductus arteriosus (PDA) admitted to the hospital with respiratory distress and failure to thrive...
2016: Case Reports in Pediatrics
https://www.readbyqxmd.com/read/27895322/gestational-vitamin-d-deficiency-and-autism-related-traits-the-generation-r-study
#13
A A E Vinkhuyzen, D W Eyles, T H J Burne, L M E Blanken, C J Kruithof, F Verhulst, V W Jaddoe, H Tiemeier, J J McGrath
There is intense interest in identifying modifiable risk factors associated with autism-spectrum disorders (ASD). Autism-related traits, which can be assessed in a continuous fashion, share risk factors with ASD, and thus can serve as informative phenotypes in population-based cohort studies. Based on the growing body of research linking gestational vitamin D deficiency with altered brain development, this common exposure is a candidate modifiable risk factor for ASD and autism-related traits. The association between gestational vitamin D deficiency and a continuous measure of autism-related traits at ~6 years (Social Responsiveness Scale; SRS) was determined in a large population-based cohort of mothers and their children (n=4229)...
November 29, 2016: Molecular Psychiatry
https://www.readbyqxmd.com/read/27894547/comparison-of-advansync-and-intermaxillary-elastics-in-the-correction-of-class-ii-malocclusions-a-retrospective-clinical-study
#14
Santhosh Jayachandran, William A Wiltshire, Sandra M Hayasaki, Fabio H S L Pinheiro
INTRODUCTION: Our objectives were to compare the skeletal, dentoalveolar, and soft tissue effects of the AdvanSync appliance (Ormco, Glendora, Calif) with intermaxillary elastics in the correction of Class II malocclusions in growing patients. METHODS: A retrospective study was conducted using lateral cephalograms of patients taken before and after comprehensive orthodontic treatment; 41 patients consecutively treated with the AdvanSync were compared with 41 similar patients treated with intermaxillary Class II elastics...
December 2016: American Journal of Orthodontics and Dentofacial Orthopedics
https://www.readbyqxmd.com/read/27889411/modelling-three-dimensional-fungal-growth-in-response-to-environmental-stimuli
#15
G Vidal-Diez de Ulzurrun, J M Baetens, J Van den Bulcke, B De Baets
Most fungi grow by developing complex networks that enable the translocation of nutrients over large distances. Spatially explicit mathematical models are able to capture both the complexity of the fungal network and the biomass evolution, as such providing a powerful alternative to classical modelling paradigms. Unfortunately, most of these models restrict growth to two dimensions or confine it to a lattice, thereby resulting in unrealistic representations of fungal networks. In addition, interactions between fungi and their environment are often neglected...
November 24, 2016: Journal of Theoretical Biology
https://www.readbyqxmd.com/read/27886423/an-approach-for-identifying-cryptic-barriers-to-gene-flow-that-limit-species-geographic-ranges
#16
Steven J Micheletti, Andrew Storfer
Species' geographic range limits are most often not demarcated by obvious dispersal barriers. Poor quality habitat at the edge of a species' range can prevent range expansion by preventing outward migration or through reducing adaptive potential resulting from decreased genetic diversity. We identified habitat variables that constrain gene flow across the entire geographic range of an endemic salamander (Ambystoma barbouri) in the eastern United States, and we tested whether increased resistance resulting from these variables provides cryptic dispersal barriers at the range edges...
November 25, 2016: Molecular Ecology
https://www.readbyqxmd.com/read/27886073/effect-of-six-month-diet-intervention-on-sleep-among-overweight-and-obese-men-with-chronic-insomnia-symptoms-a-randomized-controlled-trial
#17
Xiao Tan, Markku Alén, Kun Wang, Jarkko Tenhunen, Petri Wiklund, Markku Partinen, Sulin Cheng
Growing evidence suggests that diet alteration affects sleep, but this has not yet been studied in adults with insomnia symptoms. We aimed to determine the effect of a six-month diet intervention on sleep among overweight and obese (Body mass index, BMI ≥ 25 kg/m²) men with chronic insomnia symptoms. Forty-nine men aged 30-65 years with chronic insomnia symptoms were randomized into diet (n = 28) or control (n = 21) groups. The diet group underwent a six-month individualized diet intervention with three face-to-face counseling sessions and online supervision 1-3 times per week; 300-500 kcal/day less energy intake and optimized nutrient composition were recommended...
November 23, 2016: Nutrients
https://www.readbyqxmd.com/read/27876229/temporal-trends-of-chlorinated-paraffins-and-polychlorinated-biphenyls-in-swiss-soils
#18
Christian Bogdal, Nadja Niggeler, Juliane Glüge, Pascal S Diefenbacher, Daniel Wächter, Konrad Hungerbühler
Persistent organic pollutants (POPs), such as polychlorinated biphenyls (PCBs), are ubiquitous environmental contaminants that have been targeted by national regulations since the 1970-1980s, followed in 2004 by the worldwide regulation under the Stockholm Convention on POPs. However, concerns are growing regarding the emergence of additional POP-like substances, such as chlorinated paraffins (CPs), which have particularly large production volumes. Whereas short-chain CPs (SCCPs) have recently been restricted in Europe and are currently under evaluation for inclusion into the Stockholm Convention, medium-chain CPs (MCCPs) have received little attention...
January 2017: Environmental Pollution
https://www.readbyqxmd.com/read/27873385/introgression-and-selection-shaped-the-evolutionary-history-of-sympatric-sister-species-of-coral-reef-fishes-genus-haemulon
#19
Moisés A Bernal, Michelle R Gaither, W Brian Simison, Luiz A Rocha
Closely related marine species with large sympatric ranges provide opportunities to study the mechanisms of speciation, particularly when there is evidence of gene flow between the lineages. Here we focus on a case of hybridization between the sympatric sister-species Haemulon maculicauda and H. flaviguttatum, using Sanger sequencing of mitochondrial and nuclear loci, as well as 2422 single nucleotide polymorphisms (SNPs) obtained via Restriction-site Associated DNA Sequencing (RADSeq). Mitochondrial markers revealed a shared haplotype for COI and low divergence for CytB and CR between the sister species...
November 22, 2016: Molecular Ecology
https://www.readbyqxmd.com/read/27871964/caloric-restriction-a-promising-anti-cancer-approach-from-molecular-mechanisms-to-clinical-trials
#20
REVIEW
Gelina S Kopeina, Vyacheslav V Senichkin, Boris Zhivotovsky
Cancer is the second leading cause of death worldwide and the morbidity is growing in developed countries. According to WHO, >14 million people per year are diagnosed with cancer and about 8 million die. Anti-cancer strategy includes chemo-, immune- and radiotherapy or their combination. Unfortunately, these widely used strategies often have insufficient efficacy and significant toxic effects on healthy cells. Consequently, the improvement of treatment approaches is an important goal. One of promising schemes to enhance the effect of therapy is the restriction of calorie intake or some nutrients...
November 19, 2016: Biochimica et Biophysica Acta
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