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https://www.readbyqxmd.com/read/28103658/-etoposide-and-carboplatin-effective-for-treatment-of-small-cell-carcinoma-of-prostate-a-report-of-two-cases
#1
Satoru Yumiba, Toshihisa Asakura, Takayuki Okada, Mototaka Satoh, Mikio Nin, Masao Tsujihata
Case 1 : A 76-year-old man consulted a physician because of pollakisuria, decline of urinary stream. A high level of serum prostate specific antigen (PSA) was detected and he came to our hospital. He was diagnosed to have prostate cancer, cT3aN0M1b, and was treated with combined androgen blockage (CAB). Two years and nine months later, postrenal failure appeared and serum level of neuron-specific enolase (NSE) was 162 ng/ml. We performed re-biopsy of prostate, and pathological examination indicated small cell carcinoma of the prostate...
December 2016: Hinyokika Kiyo. Acta Urologica Japonica
https://www.readbyqxmd.com/read/28100828/an-integrated-modelling-framework-for-neural-circuits-with-multiple-neuromodulators
#2
Alok Joshi, Vahab Youssofzadeh, Vinith Vemana, T M McGinnity, Girijesh Prasad, KongFatt Wong-Lin
Neuromodulators are endogenous neurochemicals that regulate biophysical and biochemical processes, which control brain function and behaviour, and are often the targets of neuropharmacological drugs. Neuromodulator effects are generally complex partly owing to the involvement of broad innervation, co-release of neuromodulators, complex intra- and extrasynaptic mechanism, existence of multiple receptor subtypes and high interconnectivity within the brain. In this work, we propose an efficient yet sufficiently realistic computational neural modelling framework to study some of these complex behaviours...
January 2017: Journal of the Royal Society, Interface
https://www.readbyqxmd.com/read/28100576/perioperative-management-of-a-large-late-presenting-phaeochromocytoma
#3
Duncan Macrosson, Andrew Love
A 77-year-old man presenting to the emergency department with an acute coronary syndrome was later found to have a phaeochromocytoma. The lateness of this presentation was likely due to the protective α blocking effects of long-term terazosin therapy for his prostatism. α blockers such as terazosin are a well-recognised medical therapy in the perioperative optimisation of phaeochromocytoma because they treat the adrenergic effects of catecholamine release from the tumour such as hypertension. This patient was diagnosed with an ST elevation myocardial infarction (STEMI)...
January 18, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28099306/nonoperatively-corrected-clubfoot-at-age-2-years-radiographs-are-not-helpful-in-predicting-future-relapse
#4
B Stephens Richards, Shawne Faulks, Ozan Razi, Amanda Moualeu, Chan-Hee Jo
BACKGROUND: Nonoperative treatment of idiopathic clubfoot is standard. The purpose of this study was to determine if measurements made on standing lateral radiographs of successfully treated clubfeet made at 18 to 24 months of age were predictive of late recurrence. METHODS: Inclusion criteria were idiopathic clubfoot with an age at presentation of ≤3 months, nonoperative treatment resulting in a clinically plantigrade foot at 2 years of age, standing lateral radiograph of the involved foot made at 18 to 24 months of age, and a minimum age of 4 years at the time of follow-up...
January 18, 2017: Journal of Bone and Joint Surgery. American Volume
https://www.readbyqxmd.com/read/28099113/rage-deficiency-predisposes-mice-to-virus-induced-paucigranulocytic-asthma
#5
Jaisy Arikkatt, Md Ashik Ullah, Kirsty Renfree Short, Vivan Zhang, Wan Jun Gan, Zhixuan Loh, Rhiannon B Werder, Jennifer Simpson, Peter D Sly, Stuart B Mazzone, Kirsten M Spann, Manuel Ar Ferreira, John W Upham, Maria B Sukkar, Simon Phipps
Asthma is a chronic inflammatory disease. Although many patients with asthma develop type-2 dominated eosinophilic inflammation, a number of individuals develop paucigranulocytic asthma, which occurs in the absence of eosinophilia or neutrophilia. The aetiology of paucigranulocytic asthma is unknown. However, both respiratory syncytial virus (RSV) infection and mutations in the receptor for advanced glycation endproducts (RAGE) are risk factors for asthma development. Here, we show that RAGE deficiency impairs anti-viral immunity during an early-life infection with pneumonia virus of mice (PVM; a murine analogue of RSV)...
January 18, 2017: ELife
https://www.readbyqxmd.com/read/28096488/novel-superspreader-bacteriophages-promote-horizontal-gene-transfer-by-transformation
#6
Eric C Keen, Valery V Bliskovsky, Francisco Malagon, James D Baker, Jeffrey S Prince, James S Klaus, Sankar L Adhya
: Bacteriophages infect an estimated 10(23) to 10(25) bacterial cells each second, many of which carry physiologically relevant plasmids (e.g., those encoding antibiotic resistance). However, even though phage-plasmid interactions occur on a massive scale and have potentially significant evolutionary, ecological, and biomedical implications, plasmid fate upon phage infection and lysis has not been investigated to date. Here we show that a subset of the natural lytic phage population, which we dub "superspreaders," releases substantial amounts of intact, transformable plasmid DNA upon lysis, thereby promoting horizontal gene transfer by transformation...
January 17, 2017: MBio
https://www.readbyqxmd.com/read/28094283/adolescent-chronic-stress-and-adult-anxiety-adolescent-chronic-unpredictable-stress-exposure-is-a-sensitive-window-for-long-term-changes-in-adult-behavior-in-mice
#7
Nicole L Yohn, Julie A Blendy
Adolescence is a time period in development when the brain undergoes substantial remodeling in response to the environment. To determine if a stressful experience during adolescence affects adult behavior, we exposed adolescent male and female C57BL/6J mice to chronic unpredictable stress (CUS) for 12 days starting at post-natal day 28 (PND28). We also exposed adult male and female mice to CUS for 12 days beginning at PND70 to determine if adolescence is a sensitive time period when stress can have long-lasting effects on behavior...
January 17, 2017: Neuropsychopharmacology: Official Publication of the American College of Neuropsychopharmacology
https://www.readbyqxmd.com/read/28094190/three-or-more-preoperative-injections-is-the-most-significant-risk-factor-for-revision-surgery-after-operative-treatment-of-lateral-epicondylitis-an-analysis-of-3863-patients
#8
Ryan M Degen, Jourdan M Cancienne, Christopher L Camp, David W Altchek, Joshua S Dines, Brian C Werner
BACKGROUND: This study was conducted to identify the rate of failure of operative treatment of lateral epicondylitis, defined as progression to ipsilateral revision surgery, and associated patient-specific risk factors for failure. METHODS: A national database was used to identify patients undergoing surgical treatment of lateral epicondylitis from 2005 to 2012. Patients undergoing concomitant procedures were excluded. Patients who then required subsequent ipsilateral extensor carpi radialis brevis débridement or release within 2 years were identified using similar methods...
January 13, 2017: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/28089467/the-evolution-of-implant-design-decreases-the-incidence-of-lateral-release-in-primary-total-knee-arthroplasty
#9
Jonathan E Webb, Heidi Y Yang, Jamie E Collins, Elena Losina, Thomas S Thornhill, Jeffrey N Katz
BACKGROUND: Appropriate balancing of the patellofemoral joint (PFJ) using a lateral release can help to prevent patellar instability in total knee arthroplasty (TKA). Contemporary total knee implant designs are characterized by enhanced trochlear geometry more similar to native knee anatomy to minimize instability and reduce utilization of a lateral release. METHODS: We retrospectively reviewed consecutive TKA cases from a single senior surgeon's practice with 3 successive total knee designs: the Press-Fit Condylar (PFC), the Sigma, and the ATTUNE (DePuy, Warsaw, IN)...
December 14, 2016: Journal of Arthroplasty
https://www.readbyqxmd.com/read/28089263/adiponectin-orexin-a-and-orexin-b-concentrations-in-the-serum-and-uterine-luminal-fluid-during-early-pregnancy-of-pigs
#10
Nina Smolinska, Marta Kiezun, Kamil Dobrzyn, Karol Szeszko, Anna Maleszka, Tadeusz Kaminski
Adiponectin is the most abundant adipose-released protein that circulates in human plasma at high concentrations. The neuropeptides orexin A (OXA, hypocretin-1) and orexin B (OXB, hypocretin-2) are derived from a common precursor peptide, prepro-orexin and are produced mainly by neurons located in the lateral hypothalamus. It has been demonstrated that the peptides such as adiponectin and orexins have an important role in the regulation of energy metabolism and neuroendocrine functions. These hormones appear to be implicated in both normal and disturbed pregnancy...
January 9, 2017: Animal Reproduction Science
https://www.readbyqxmd.com/read/28088914/diverse-functions-and-mechanisms-of-pericytes-in-ischemic-stroke
#11
Shuai Yang, Huijuan Jin, Yiyi Zhu, Yan Wan, Lingqiang Zhu, Bo Hu
Pericytes are mural cells embedded in the basement membrane of microvessels. Because of such a unique position in the blood-brain barrier (BBB) and neurovascular unit (NVU), they receive, orchestrate and process signals from their neighboring cells to generate diverse neurovascular functions, including regulation of capillary hemodynamics, BBB permeability, clearance of toxic metabolites, angiogenesis, neuroinflammation and stem cell activity. During the different stages of ischemic stroke, pericytes play different roles: 1) On the hyperacute phase of stroke, pericytes constriction and death may be a cause of the no-reflow phenomenon in brain capillaries; 2) During the acute phase, pericytes detach from microvessels and participate in inflammatory-immunological response, resulting in the BBB damage and brain edema...
January 12, 2017: Current Neuropharmacology
https://www.readbyqxmd.com/read/28087409/thioredoxin-a-novel-biomarker-of-post-injury-sepsis
#12
Jesper Eriksson, Andreas Gidlöf, Mikael Eriksson, Emma Larsson, Olof Brattström, Anders Oldner
BACKGROUND: Thioredoxin (TRX), an endogenous anti-oxidant protein induced in inflammatory conditions, has been shown to increase in plasma and to be associated with outcome in septic patients. This biomarker has never been studied in a trauma setting. We hypothesized that TRX would be increased after trauma and associated with post-injury sepsis. METHODS: Single-centre prospective observational study conducted at the intensive care unit (ICU) at the Karolinska University Hospital, Stockholm, Sweden, a level-1 trauma centre...
January 10, 2017: Free Radical Biology & Medicine
https://www.readbyqxmd.com/read/28086931/the-release-and-trans-synaptic-transmission-of-tau-via-exosomes
#13
Yipeng Wang, Varun Balaji, Senthilvelrajan Kaniyappan, Lars Krüger, Stephan Irsen, Katharina Tepper, RamReddy Chandupatla, Walter Maetzler, Anja Schneider, Eckhard Mandelkow, Eva-Maria Mandelkow
BACKGROUND: Tau pathology in AD spreads in a hierarchical pattern, whereby it first appears in the entorhinal cortex, then spreads to the hippocampus and later to the surrounding areas. Based on this sequential appearance, AD can be classified into six stages ("Braak stages"). The mechanisms and agents underlying the progression of Tau pathology are a matter of debate. Emerging evidence indicates that the propagation of Tau pathology may be due to the transmission of Tau protein, but the underlying pathways and Tau species are not well understood...
January 13, 2017: Molecular Neurodegeneration
https://www.readbyqxmd.com/read/28086911/enhanced-neuroinflammation-mediated-by-dna-methylation-of-the-glucocorticoid-receptor-triggers-cognitive-dysfunction-after-sevoflurane-anesthesia-in-adult-rats-subjected-to-maternal-separation-during-the-neonatal-period
#14
Yangzi Zhu, Yu Wang, Rui Yao, Ting Hao, Junli Cao, He Huang, Liwei Wang, Yuqing Wu
BACKGROUND: Mounting evidence indicates that children who experience abuse and neglect are prone to chronic diseases and premature mortality later in life. One mechanistic hypothesis for this phenomenon is that early life adversity alters the expression or functioning of the glucocorticoid receptor (GR) throughout the course of life and thereby increases sensitivity to inflammatory stimulation. An exaggerated pro-inflammatory response is generally considered to be a key cause of postoperative cognitive dysfunction (POCD)...
January 7, 2017: Journal of Neuroinflammation
https://www.readbyqxmd.com/read/28086244/approach-to-total-knee-replacement-a-randomized-double-blind-study-between-medial-parapatellar-and-midvastus-approach-in-the-early-postoperative-period-in-asian-population
#15
Mohammed Ammar Aslam, Aamir Bin Sabir, Vivek Tiwari, Sohail Abbas, Anurag Tiwari, Pritish Singh
The purpose of this randomized study was to compare clinical and surgical outcomes of total knee replacements (TKRs) in the early postoperative period using midvastus approach versus medial parapatellar approach in Asian population in a double blind manner. Forty-two knees each were operated using midvastus approach and the medial parapatellar approach. Clinical parameters that were evaluated included Knee Society score (KSS); knee pain using visual analogue scale (VAS) on day 1, 1 week, and 1 month; time required to straight leg raise (SLR); patellar tracking; mean extensor lag at 1 week and 1 month; and time of discharge from the hospital...
January 13, 2017: Journal of Knee Surgery
https://www.readbyqxmd.com/read/28085964/aminoalcohol-induced-activation-of-organophosphorus-hydrolase-oph-towards-diisopropylfluorophosphate-dfp
#16
Dandan Li, Yunze Zhang, Haitao Song, Liangqiu Lu, Deli Liu, Yongze Yuan
Aminoalcohols have been addressed as activating buffers for alkaline phosphatase. However, there is no record on the buffer activation regarding organophosphorus hydrolase (OPH). Here we reported the activating effects of aminoalcohols on OPH-catalyzed hydrolysis of diisopropylfluorophosphate (DFP), an analog molecule of G-type warfare agents. The kinetic parametors kcat, Vmax and kcat/Km in the OPH reaction were remarkably increased in the buffers (pH 8.0, 25°C) containing aminoalcohols with C2 between nitrogen (N) and oxygen (O) in their structures, including triethanolamine (TEA), diethanolamine, monoethanolamine, 1-amino-2-propanol, 2-amino-2-methyl-1-propanol, and triisopropanolamine...
2017: PloS One
https://www.readbyqxmd.com/read/28084321/soluble-ectodomain-cd163-and-extracellular-vesicle-associated-cd163-are-two-differently-regulated-forms-of-soluble-cd163-in-plasma
#17
Anders Etzerodt, Ronan M G Berg, Ronni R Plovsing, Morten N Andersen, Magali Bebien, Mohamed Habbeddine, Toby Lawrence, Holger J Møller, Søren K Moestrup
CD163 is the macrophage receptor for uptake of hemoglobin-haptoglobin complexes. The human receptor can be shed from the macrophage surface owing to a cleavage site for the inflammation-inducible TACE/ADAM17 enzyme. Accordingly, plasma 'soluble CD163' (sCD163) has become a biomarker for macrophage activity and inflammation. The present study disclosed that 10% of sCD163 in healthy persons is actually extracellular vesicle (EV)-associated CD163 not being cleaved and shed. Endotoxin injection of human volunteers caused a selective increase in the ectodomain CD163, while septic patients exhibited high levels of both soluble ectodomain CD163 and extracellular vesicle (EV) CD163, the latter representing up 60% of total plasma CD163...
January 13, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28082593/assembly-of-a-nucleus-like-structure-during-viral-replication-in-bacteria
#18
Vorrapon Chaikeeratisak, Katrina Nguyen, Kanika Khanna, Axel F Brilot, Marcella L Erb, Joanna K C Coker, Anastasia Vavilina, Gerald L Newton, Robert Buschauer, Kit Pogliano, Elizabeth Villa, David A Agard, Joe Pogliano
We observed the assembly of a nucleus-like structure in bacteria during viral infection. Using fluorescence microscopy and cryo-electron tomography, we showed that Pseudomonas chlororaphis phage 201φ2-1 assembled a compartment that separated viral DNA from the cytoplasm. The phage compartment was centered by a bipolar tubulin-based spindle, and it segregated phage and bacterial proteins according to function. Proteins involved in DNA replication and transcription localized inside the compartment, whereas proteins involved in translation and nucleotide synthesis localized outside...
January 13, 2017: Science
https://www.readbyqxmd.com/read/28081264/the-important-role-of-lipid-raft-mediated-attachment-in-the-infection-of-cultured-cells-by-coronavirus-infectious-bronchitis-virus-beaudette-strain
#19
Huichen Guo, Mei Huang, Quan Yuan, Yanquan Wei, Yuan Gao, Lejiao Mao, Lingjun Gu, Yong Wah Tan, Yanxin Zhong, Dingxiang Liu, Shiqi Sun
Lipid raft is an important element for the cellular entry of some viruses, including coronavirus infectious bronchitis virus (IBV). However, the exact role of lipid rafts in the cellular membrane during the entry of IBV into host cells is still unknown. In this study, we biochemically fractionated IBV-infected cells via sucrose density gradient centrifugation after depleting plasma membrane cholesterol with methyl-β-cyclodextrin or Mevastatin. Our results demonstrated that unlike IBV non-structural proteins, IBV structural proteins co-localized with lipid raft marker caveolin-1...
2017: PloS One
https://www.readbyqxmd.com/read/28078478/hypercalcaemia-and-hypocalcaemia-finding-the-balance
#20
REVIEW
Jean-Jacques Body, Daniela Niepel, Giuseppe Tonini
CALCIUM METABOLISM IN CANCER AND HYPERCALCAEMIA OF MALIGNANCY: The balance between bone formation and resorption may be disrupted in patients with cancer, leading either to increased bone resorption, calcium release, and possibly hypercalcaemia, or to increased bone formation, sequestration of calcium, and possibly hypocalcaemia. In adults, hypercalcaemia of malignancy is most common in patients with tumours that produce factors that induce osteoclast activation and enhance bone resorption...
January 12, 2017: Supportive Care in Cancer: Official Journal of the Multinational Association of Supportive Care in Cancer
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