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Pathology residency

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https://www.readbyqxmd.com/read/28346919/the-pregnancy-microbiome
#1
Hadar Neuman, Omry Koren
In recent years, microbiome research has revealed multiple essential roles of the microorganisms residing within the human body in host metabolism, immunity, and overall health. Numerous physiological and pathological states, including obesity and the metabolic syndrome, have been correlated with microbial changes, termed dysbiosis. Our microbiomes change in response to our environment, diet, weight, hormones, and other factors. It is, therefore, not surprising that there are also significant changes in the microbiome during pregnancy when dramatic weight gain and metabolic and immunological changes occur...
2017: Nestlé Nutrition Institute Workshop Series
https://www.readbyqxmd.com/read/28345334/frequency-of-head-and-neck-squamous-cell-carcinomas-and-related-variables-in-southern-iran-ahvaz-city-10-year-retrospective-study
#2
Sedigheh Bakhtiari, Hamed Mortazavi, Masoumeh Mehdipour, Nahal Jafarian, Nastaran Ranjbari, Somayeh Rahmani
Objective: Squamous cell carcinoma (SCC) is a life threatening lesion but there has been only limited research about its frequency in Iran. The aim of this study was to evaluate the frequency of squamous cell carcinoma of the head and neck in the records of the pathology department of Imam Khomeini hospital in Ahvaz between 2005 and 2015. Methods: The retrospective and cross-sectional study was conducted using 55,708 medical records of cancer throughout the body, accumulated in the pathology department of Imam Khomeini in Ahvaz in the designated period...
February 1, 2017: Asian Pacific Journal of Cancer Prevention: APJCP
https://www.readbyqxmd.com/read/28340950/pharmacokinetics-and-bioavailability-of-oral-single-dose-maleic-acid-in-biofluids-of-sprague-dawley-rats
#3
Charlene Wu, Hsin-Chang Chen, Yu-Syuan Luo, Su-Yin Chiang, Kuen-Yuh Wu
Maleic acid (MA) was purposefully adulterated in an array of starch-based foods in Taiwan, inciting a food safety incident. Due to limited data on the pharmacokinetics and bioavailability of ingested MA, we studied pharmacokinetic (PK) parameters in serum and urine of Sprague Dawley rats. Three groups of male and female rats were given three doses of MA by oral gavage; biofluid samples were collected accordingly. Data demonstrated that a non-compartment model best described MA's linear kinetic behavior upon ingestion...
December 2016: Drug Metabolism and Pharmacokinetics
https://www.readbyqxmd.com/read/28340935/individual-and-hospital-related-determinants-of-potentially-inappropriate-admissions-emerging-from-administrative-records
#4
Marco Fusco, Alessandra Buja, Paolo Piergentili, Maria Teresa Golfetto, Gianni Serafin, Silvia Gallo, Livio Dalla Barba, Vincenzo Baldo
INTRODUCTION: The appropriate use of health care is an important issue in developed countries. The purpose of this study was to ascertain the extent of potentially inappropriate hospital admissions and their individual, clinical and hospital-related determinants. METHODS: Medical records were analyzed for the year 2014 held by the Local Heath Unit n. 13 in the Veneto Region of north-east Italy (19,000 records). The outcomes calculated were: admissions for conditions amenable to day hospital care; brief medical admissions; outlier lengths of stay for elderly patients' medical admissions; and medical admissions to surgical wards...
November 2016: Health Policy
https://www.readbyqxmd.com/read/28340222/success-in-implementation-of-a-resident-in-service-examination-review-series
#5
Jessica A Forcucci, J Madison Hyer, Evelyn T Bruner, David N Lewin, Nicholas I Batalis
Objectives: Primary pathology board certification has been correlated with senior resident in-service examination (RISE) performance. We describe our success with an annual, month-long review series. Methods: Aggregate program RISE performance data were gathered for 3 years prior to and 3 years following initiation of the review series. In addition, mean United States Medical Licensing Examination Step 1 and 2 Clinical Knowledge scores for residents participating in each RISE examination were obtained to control for incoming knowledge and test-taking ability...
March 18, 2017: American Journal of Clinical Pathology
https://www.readbyqxmd.com/read/28339907/o-linked-%C3%AE-n-acetylglucosamine-modification-of-proteins-is-essential-for-foot-process-maturation-and-survival-in-podocytes
#6
Shinya Ono, Shinji Kume, Mako Yasuda-Yamahara, Kosuke Yamahara, Naoko Takeda, Masami Chin-Kanasaki, Hisazumi Araki, Osamu Sekine, Hideki Yokoi, Masashi Mukoyama, Takashi Uzu, Shin-Ichi Araki, Hiroshi Maegawa
Background.: O-linked β- N -acetylglucosamine modification O-GlcNAcylation) is a post-translational modification of intracellular proteins, serving as a nutrient sensor. Growing evidence has demonstrated its physiological and pathological importance in various mammalian tissues. This study examined the physiological role of O-GlcNAcylation in podocyte function and development. Methods.: O-GlcNAc transferase (Ogt) is a critical enzyme for O-GlcNAcylation and resides on the X chromosome...
February 27, 2017: Nephrology, Dialysis, Transplantation
https://www.readbyqxmd.com/read/28336265/brain-structural-markers-and-caregiving-characteristics-as-interacting-correlates-of-caregiving-strain
#7
Stephen F Smagula, Scott Beach, Andrea L Rosso, Anne B Newman, Richard Schulz
OBJECTIVE: To evaluate the association between brain structural markers and caregiving strain among older informal caregivers. DESIGN: A secondary data analysis combining data from the Caregiver Health Effects Study (1993-1994) and the Cardiovascular Health Study MRI examination (1992-1994). SETTING: Four United States communities. PARTICIPANTS: Co-residing spousal caregivers (N = 237; mean age: 76.2 years, SD: 2...
February 21, 2017: American Journal of Geriatric Psychiatry
https://www.readbyqxmd.com/read/28335809/poor-uptake-of-an-online-intervention-in-a-cluster-randomised-controlled-trial-of-online-diabetes-education-for-rural-general-practitioners
#8
Christine L Paul, Leon Piterman, Jonathan E Shaw, Catherine Kirby, Kristy L Forshaw, Jennifer Robinson, Isaraporn Thepwongsa, Robert W Sanson-Fisher
BACKGROUND: In Australia, rural and remote communities have high rates of diabetes-related death and hospitalisation. General practitioners (GPs) play a major role in diabetes detection and management. Education of GPs could optimise diabetes management and improve patient outcomes at a population level. The study aimed to describe the uptake of a continuing medical education intervention for rural GPs and its impact on the viability of a cluster randomised controlled trial of the effects of continuing medical education on whole-town diabetes monitoring and control...
March 23, 2017: Trials
https://www.readbyqxmd.com/read/28330499/a-novel-multi-network-approach-reveals-tissue-specific-cellular-modulators-of-fibrosis-in-systemic-sclerosis
#9
Jaclyn N Taroni, Casey S Greene, Viktor Martyanov, Tammara A Wood, Romy B Christmann, Harrison W Farber, Robert A Lafyatis, Christopher P Denton, Monique E Hinchcliff, Patricia A Pioli, J Matthew Mahoney, Michael L Whitfield
BACKGROUND: Systemic sclerosis (SSc) is a multi-organ autoimmune disease characterized by skin fibrosis. Internal organ involvement is heterogeneous. It is unknown whether disease mechanisms are common across all involved affected tissues or if each manifestation has a distinct underlying pathology. METHODS: We used consensus clustering to compare gene expression profiles of biopsies from four SSc-affected tissues (skin, lung, esophagus, and peripheral blood) from patients with SSc, and the related conditions pulmonary fibrosis (PF) and pulmonary arterial hypertension, and derived a consensus disease-associate signature across all tissues...
March 23, 2017: Genome Medicine
https://www.readbyqxmd.com/read/28319464/the-dr-jekyll-and-mr-hyde-complexity-of-the-macrophage-response-in-disease
#10
Danielle Y F Twum, Lauren Burkard-Mandel, Scott I Abrams
Macrophages comprise a highly diverse cell population expressing a continuum of biologic activities dictated by exposure to a plethora of inflammatory cues. Moreover, in contrast to most other hematopoietic populations, macrophages can arise from multiple sites-namely, the bone marrow or yolk sac, adding to the complexity of macrophage biology during health and disease. Nonetheless, it is this very type of diversity that is indispensable for macrophages to respond effectively to pathologic insults. Most of the interest in macrophage biology has been devoted to bone marrow-derived populations, but it is now becoming clearer that tissue-resident populations, which arise from distinct hematopoietic compartments, serve critical roles in host defense, including protection against neoplastic disease...
February 13, 2017: Journal of Leukocyte Biology
https://www.readbyqxmd.com/read/28315694/incorporation-of-autopsy-case-based-learning-into-phd-graduate-education-a-novel-approach-to-bridging-the-bench-to-bedside-gap
#11
Erin G Brooks, Joanne M Thornton, Erik A Ranheim, Zsuzsanna Fabry
Given the current rapid expansion of biological knowledge and the challenges of translating that knowledge into clinical practice, finding effective methods of teaching graduate students clinical medicine concepts has become even more critical. The utility of autopsy in medical student and resident education has been well-established. Multiple studies have reported it to be a helpful means of teaching anatomy, pathophysiology, clinical problem-solving skills, and medical diagnostic techniques. While various models of training Ph...
March 15, 2017: Human Pathology
https://www.readbyqxmd.com/read/28303104/mathematical-modeling-of-streptococcus-pneumoniae-colonization-invasive-infection-and-treatment
#12
Elisa Domínguez-Hüttinger, Neville J Boon, Thomas B Clarke, Reiko J Tanaka
Streptococcus pneumoniae (Sp) is a commensal bacterium that normally resides on the upper airway epithelium without causing infection. However, factors such as co-infection with influenza virus can impair the complex Sp-host interactions and the subsequent development of many life-threatening infectious and inflammatory diseases, including pneumonia, meningitis or even sepsis. With the increased threat of Sp infection due to the emergence of new antibiotic resistant Sp strains, there is an urgent need for better treatment strategies that effectively prevent progression of disease triggered by Sp infection, minimizing the use of antibiotics...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/28301917/signaling-pathways-controlling-microglia-chemotaxis
#13
Yang Fan, Lirui Xie, Chang Y Chung
Microglia are the primary resident immune cells of the central nervous system (CNS). They are the first line of defense of the brain's innate immune response against infection, injury, and diseases. Microglia respond to extracellular signals and engulf unwanted neuronal debris by phagocytosis, thereby maintaining normal cellular homeostasis in the CNS. Pathological stimuli such as neuronal injury induce transformation and activation of resting microglia with ramified morphology into a motile amoeboid form and activated microglia chemotax toward lesion site...
March 17, 2017: Molecules and Cells
https://www.readbyqxmd.com/read/28288690/dirofilaria-immitis-in-pinnipeds-and-a%C3%A2-new-host-record
#14
Ana Margarida Alho, Inês Marcelino, Vito Colella, Carla Flanagan, Nuno Silva, Jorge Jesus Correia, Maria Stefania Latrofa, Domenico Otranto, Luís Madeira de Carvalho
BACKGROUND: Dirofilaria immitis is a mosquito-borne pathogen that is spreading worldwide, and the associated infection (i.e. dirofilariosis) is becoming a threat to animals and humans living in endemic areas. Little is known about the occurrence and risk of infection of D. immitis in pinnipeds. Here we report dirofilariosis by D. immitis in several pinniped species kept in captivity in Portugal. METHODS: Animals were housed in an oceanographic park located in Algarve, southern Portugal, a geographical area endemic for canine dirofilariosis...
March 13, 2017: Parasites & Vectors
https://www.readbyqxmd.com/read/28287855/association-between-cataract-and-keratinocytic-skin-cancers-or-melanoma-speculating-on-the-common-role-of-sun-and-ultraviolet-radiation-exposures
#15
David Varssano, Mira Friedman, Michaella Goldstein, Shai Bar-Sela, Tal Sella, Varda Shalev, Gabriel Chodick
PURPOSE: Cataract and sun-related skin conditions are proxies to lifetime UV exposure. We examined the association between them using real-world data from an unselected Israeli population. METHODS: Computerized data was obtained from an Israeli health maintenance organization regarding cases of sun-related skin pathologies and cataract diagnosed between 2006 and 2011 in 686,260 members aged 40 or above. RESULTS: Sun-related skin disorders were found in 9...
March 13, 2017: Ophthalmic Epidemiology
https://www.readbyqxmd.com/read/28286228/the-smac-mimetic-birinapant-attenuates-lipopolysaccharide-induced-liver-injury-by-inhibiting-the-tumor-necrosis-factor-receptor-associated-factor-3-degradation-in-kupffer-cells
#16
Hongxiang Liu, Rui Liao, Kun He, Xiwen Zhu, Peizhi Li, Jianping Gong
It was demonstrated that second mitochondria-derived activator of caspases (SMAC) mimetic inhibites tumor necrosis factor receptor-associated factor 3 (TRAF3) degradation and the mitogen-activated protein kinase (MAPK) signaling pathway activation induced by lipopolysaccharide (LPS) in vitro. However, the effect of Smac mimetic in vivo is not clear. The present study was to investigate the role of Smac mimetic in LPS-induced liver injury in mice and its possible mechanism. An animal model of LPS-induced liver injury was established by intraperitoneally injecting mice with 10mg/kg LPS pretreatment with or without Smac mimetic birinapant (30mg/kg body weight)...
March 9, 2017: Immunology Letters
https://www.readbyqxmd.com/read/28284353/the-attenuating-effects-of-1-2-3-4-6-penta-o-galloyl-%C3%AE-d-glucose-on-inflammatory-cytokines-release-from-activated-bv-2-microglial-cells
#17
Patricia Mendonca, Equar Taka, David Bauer, Makini Cobourne-Duval, Karam F A Soliman
Alzheimer's disease (AD) is the most common cause of neurodegeneration and dementia in the elderly. Dysregulated, chronic activation of microglia, the brain's resident macrophages, induces the release of excessive amounts of pro-inflammatory cytokines which has been implicated in the early stages of AD pathology. Therefore, suppressing the expression of these inflammatory mediators may decrease or delay the progression of AD. Many natural compounds derived from plants have shown anti-inflammatory activity. The naturally occurring 1,2,3,4,6 Penta-O-Galloyl-β-d-Glucose (PGG), is a polyphenolic compound highly enriched in Rhus chinensis Millplant...
April 15, 2017: Journal of Neuroimmunology
https://www.readbyqxmd.com/read/28276018/reconstitution-of-mitochondrial-membrane-proteins-into-nanodiscs-by-cell-free-expression
#18
Ketan Malhotra, Nathan N Alder
The isolation and characterization of mitochondrial membrane proteins is technically challenging because they natively reside within the specialized environment of the lipid bilayer, an environment that must be recapitulated to some degree during reconstitution to ensure proper folding, stability, and function. Here we describe protocols for the assembly of a membrane protein into lipid bilayer nanodiscs in a series of cell-free reactions. Cell-free expression of membrane proteins circumvents problems attendant with in vivo expression such as cytotoxicity, low expression levels, and the formation of inclusion bodies...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28274834/resolution-considerations-in-imaging-of-the-cortical-layers
#19
Shlomi Lifshits, Omri Tomer, Ittai Shamir, Daniel Barazany, Galia Tsarfaty, Saharon Rosset, Yaniv Assaf
The cortical layers are a finger print of brain development, function, connectivity and pathology. Obviously, the formation of the layers and their composition is essential to cognition and behavior. The layers were traditionally measured by histological means but recent studies utilizing MRI suggested that T1 relaxation imaging consist of enough contrast to separate the layers. Indeed extreme resolution, post mortem, studies demonstrated this phenomenon. Yet, one of the limiting factors of using T1 MRI to visualize the layers in neuroimaging research is partial volume effect...
March 6, 2017: NeuroImage
https://www.readbyqxmd.com/read/28274756/common-genetic-variation-and-risk-of-gallbladder-cancer-in-india-a-case-control-genome-wide-association-study
#20
Sharayu Mhatre, Zhaoming Wang, Rajini Nagrani, Rajendra Badwe, Shubhada Chiplunkar, Balraj Mittal, Saurabh Yadav, Haoyu Zhang, Charles C Chung, Prachi Patil, Stephen Chanock, Rajesh Dikshit, Nilanjan Chatterjee, Preetha Rajaraman
BACKGROUND: Gallbladder cancer is highly lethal, with notable differences in incidence by geography and ethnic background. The aim of this study was to identify common genetic susceptibility alleles for gallbladder cancer. METHODS: In this case-control genome-wide association study (GWAS), we did a genome-wide scan of gallbladder cancer cases and hospital visitor controls, both of Indian descent, followed by imputation across the genome. Cases were patients aged 20-80 years with microscopically confirmed primary gallbladder cancer diagnosed or treated at Tata Memorial Hospital, Mumbai, India, and enrolled in the study between Sept 12, 2010, and June 8, 2015...
March 3, 2017: Lancet Oncology
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