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Morphological assessment

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https://www.readbyqxmd.com/read/28103577/association-of-rab5-overexpression-in-pancreatic-cancer-with-cancer-progression-and-poor-prognosis-via-e-cadherin-suppression
#1
Takamichi Igarashi, Kenichiro Araki, Takehiko Yokobori, Bolag Altan, Takahiro Yamanaka, Norihiro Ishii, Mariko Tsukagoshi, Akira Watanabe, Norio Kubo, Tadashi Handa, Yasuo Hosouchi, Masahiko Nishiyama, Tetsunari Oyama, Ken Shirabe, Hiroyuki Kuwano
Pancreatic cancer is a common type of cancer with poor prognosis worldwide. Postoperative survival depends on the existence of metastasis. Elucidation of the mechanism underlying cancer progression is important to improve prognosis. The RAS-associated protein RAB5 activates intracellular membrane trafficking, and RAB5 expression is correlated to progression and epithelial mesenchymal transition in various cancers.The expression of RAB5 and E-cadherin in 111 pancreatic cancer samples was investigated by immunohistochemical staining, and the relationship among RAB5 expression, clinicopathological factors, and E-cadherin expression was assessed...
January 17, 2017: Oncotarget
https://www.readbyqxmd.com/read/28103390/physicochemical-property-and-oxidative-stability-of-whey-protein-concentrate-multiple-nanoemulsion-containing-fish-oil
#2
Jae-Young Hwang, Ho-Kyung Ha, Mee-Ryung Lee, Jin Wook Kim, Hyun-Jin Kim, Won-Jae Lee
The objectives of this research were to produce whey protein concentrate (WPC) multiple nanoemulsion (MNE) and to study how whey protein concentration level and antioxidant type affected the physicochemical properties and oxidative stability of fish oil in MNE. The morphological and physicochemical characteristics of MNE were investigated by using transmission electron microscopy and particle size analyzer, respectively. The oxidative stability of fish oil in MNEs was assessed by measuring peroxide value (PV), p-anisidine value, and volatile compounds...
January 19, 2017: Journal of Food Science
https://www.readbyqxmd.com/read/28103325/assessing-fifty-years-of-general-health-surveillance-of-roe-deer-in-switzerland-a-retrospective-analysis-of-necropsy-reports
#3
Mirjam Pewsner, Francesco Carlo Origgi, Joachim Frey, Marie-Pierre Ryser-Degiorgis
General wildlife health surveillance is a valuable source of information on the causes of mortality, disease susceptibility and pathology of the investigated hosts and it is considered to be an essential component of early warning systems. However, the representativeness of data from such surveillance programs is known to be limited by numerous biases. The roe deer (Capreolus capreolus capreolus) is the most abundant ungulate and a major game species all over Europe. Yet, internationally available literature on roe deer pathology is scarce...
2017: PloS One
https://www.readbyqxmd.com/read/28102843/il-17-mediated-mitochondrial-dysfunction-impairs-apoptosis-in-rheumatoid-arthritis-synovial-fibroblasts-through-activation-of-autophagy
#4
Eun Kyung Kim, Jeong-Eun Kwon, Seon-Young Lee, Eun-Jung Lee, Da Som Kim, Su-Jin Moon, Jennifer Lee, Seung-Ki Kwok, Sung-Hwan Park, Mi-La Cho
Fibroblast-like synoviocytes (FLSs) are a major cell population of the pannus that invades cartilage and bone in rheumatoid arthritis (RA). FLS resistance to apoptosis is a major characteristic of RA. The aims of this study were to investigate the effects of interleukin-17 (IL-17) and IL-17-producing T helper (Th17) cells on resistance to apoptosis in FLSs from RA patients (RA FLSs) and their roles in mitochondrial dysfunction and autophagy. Mitochondrial function was assessed in RA FLSs and FLSs from osteoarthritis patients (OA FLSs)...
January 19, 2017: Cell Death & Disease
https://www.readbyqxmd.com/read/28102161/orthotopic-autologous-chondrocyte-grafting-as-a-method-of-treatment-of-growth-plate-damage-in-rabbits
#5
Ryszard Tomaszewski, Łukasz Wiktor, Artur Gap
BACKGROUND: With the continuous advances in the therapy of joint cartilage injury, some of those classification systems are also being used for evaluating the quality of regenerating cartilage. Histo lo gi cal assessment of joint cartilage is a very important component in the staging of osteoarthritis and tracing therapeutic outcomes. We performed a histological assessment of regenerating growth plate in a group of New Zealand white rabbits as a component of autologous chondrocyte therapy for growth plate damage...
October 28, 2016: Ortopedia, Traumatologia, Rehabilitacja
https://www.readbyqxmd.com/read/28101935/effect-of-cholesterol-loaded-cyclodextrins-on-cryosurvival-of-dog-spermatozoa
#6
J Khan, M Z Tahir, A Khalid, A Sattar, N Ahmad
Cryopreservation affects integrity of cholesterol and phospholipids in the plasma membrane of sperm leading to decreased fertility of frozen-thawed semen. Cholesterol-loaded cyclodextrins (CLC) have been shown to improve post-thaw semen quality in various species. The aim of this study was to investigate the optimal concentration of CLC for better post-thaw semen quality in dogs. Semen collection, through digital manipulation, was conducted once a week in four adult German shepherd dogs (n = 20 ejaculates; five ejaculates/dog)...
January 18, 2017: Reproduction in Domestic Animals, Zuchthygiene
https://www.readbyqxmd.com/read/28101893/the-genus-anthopsis-and-its-phylogenetic-position-in-chaetothyriales
#7
Tarek A A Moussa, Bert H G Gerrits van den Ende, Hassan S Al Zahrani, Naif M S Kadasa, Sybren G de Hoog, Somayeh Dolatabadi
The genus Anthopsis was introduced for a black fungus with peculiar, inverted phialides and triangular conidia. The genus accommodates, in addition to the type species Anthopsis deltoidea, which once was reported as a cause of human phaeohyphomycosis, two further taxa: A. catenata and A. microspora. Current taxonomy is mainly based on microscopic structures of phialides. To assess the phylogenetic position of the genus, sequences of the internal transcribed spacer region and partial LSU rDNA were obtained for Anthopsis spp...
January 18, 2017: Mycoses
https://www.readbyqxmd.com/read/28101437/characterization-of-16-microsatellite-markers-for-the-oreinotinus-clade-of-viburnum-adoxaceae
#8
Syndi Barish, Mónica Arakaki, Erika J Edwards, Michael J Donoghue, Wendy L Clement
PREMISE OF THE STUDY: Microsatellite loci were isolated from four species of Viburnum (Adoxaceae) to study population structure and assess species boundaries among morphologically similar South American Viburnum species of the Oreinotinus clade. METHODS AND RESULTS: Using a microsatellite-enriched library and mining next-generation sequence data, 16 microsatellites were developed. Each locus was tested on two populations of V. triphyllum and one population of V...
December 2016: Applications in Plant Sciences
https://www.readbyqxmd.com/read/28101427/dynamic-imaging-and-quantitative-analysis-of-cranial-neural-tube-closure-in-the-mouse-embryo-using-optical-coherence-tomography
#9
Shang Wang, Monica D Garcia, Andrew L Lopez, Paul A Overbeek, Kirill V Larin, Irina V Larina
Neural tube closure is a critical feature of central nervous system morphogenesis during embryonic development. Failure of this process leads to neural tube defects, one of the most common forms of human congenital defects. Although molecular and genetic studies in model organisms have provided insights into the genes and proteins that are required for normal neural tube development, complications associated with live imaging of neural tube closure in mammals limit efficient morphological analyses. Here, we report the use of optical coherence tomography (OCT) for dynamic imaging and quantitative assessment of cranial neural tube closure in live mouse embryos in culture...
January 1, 2017: Biomedical Optics Express
https://www.readbyqxmd.com/read/28101208/effect-of-bovine-dialyzable-leukocyte-extract-on-induction-of-cell-differentiation-and-death-in-k562-human-chronic-myelogenous-leukemia-cells
#10
Crystel A Sierra-Rivera, Moisés A Franco-Molina, Edgar Mendoza-Gamboa, Pablo Zapata-Benavides, Jesús Santaolalla-Tapia, Erika E Coronado-Cerda, Reyes S Tamez-Guerra, Cristina Rodríguez-Padilla
Differentiation induction therapy is an attractive approach in leukemia treatment due to the fact that in blast crisis stage, leukemic cells lose their differentiation capacity. Therefore, it has been proposed as a therapeutic strategy to induce terminal differentiation of leukemic blast cells into a specific lineage, leading to prevention of high proliferation rates. The aim of the present study was to demonstrate the potential of cell differentiation and death induced by bovine dialyzable leukocyte extract (bDLE) in the K562 cell line...
December 2016: Oncology Letters
https://www.readbyqxmd.com/read/28100891/reverse-right-ventricular-remodeling-after-lung-transplantation-in-patients-with-pulmonary-arterial-hypertension-under-combination-therapy-of-targeted-medical-drugs
#11
Toshihiro Sarashina, Kazufumi Nakamura, Satoshi Akagi, Takahiro Oto, Hiroki Oe, Kentaro Ejiri, Koji Nakagawa, Nobuhiro Nishii, Hiromi Matsubara, Motomu Kobayashi, Hiroshi Morimatsu, Shinichiro Miyoshi, Hiroshi Ito
BACKGROUND: Patients with pulmonary arterial hypertension (PAH) are currently treated with combination therapy of PAH-targeted drugs. Reverse right ventricular (RV) remodeling after lung transplantation (LTx) in patients with end-stage PAH despite combination therapy of PAH-targeted drugs has not been fully elucidated.Methods and Results:A total of 136 patients, including 32 with PAH, underwent LTx from 1998 to 2014. We enrolled 12 consecutive patients with PAH treated with combination therapy of PAH-targeted drugs who underwent LTx and retrospectively analyzed the temporal and serial changes in hemodynamics and echocardiography before LTx and at 3 and 12 months after LTx...
January 18, 2017: Circulation Journal: Official Journal of the Japanese Circulation Society
https://www.readbyqxmd.com/read/28100879/association-between-prior-aspirin-use-and-morphological-features-of-culprit-lesions-at-first-presentation-of-acute-coronary-syndrome-assessed-by-optical-coherence-tomography
#12
Taishi Yonetsu, Tetsumin Lee, Tadashi Murai, Yoshinori Kanno, Rikuta Hamaya, Sadamitsu Ichijo, Takayuki Niida, Masahiro Hada, Makoto Araki, Junji Matsuda, Eisuke Usui, Masahiro Hoshino, Yoshihisa Kanaji, Tsunekazu Kakuta
BACKGROUND: The effect of prior use of aspirin (ASA) on the onset of acute coronary syndrome (ACS) has not been clarified. This study used optical coherence tomography (OCT) to investigate the morphological features of culprit lesions of ACS in patients with prior ASA use.Methods and Results:In total, 442 patients with their first ACS episode undergoing OCT for the culprit lesions were investigated. Clinical characteristics, OCT findings, and adverse events at 30 days were compared between patients with prior ASA use and ASA-naïve patients (non-ASA)...
January 19, 2017: Circulation Journal: Official Journal of the Japanese Circulation Society
https://www.readbyqxmd.com/read/28100767/effects-of-season-on-bull-sperm-quality-in-thawed-samples-in-northern-spain
#13
M Sabés-Alsina, A Johannisson, N Lundeheim, M Lopez-Bejar, J M Morrell
The aim of the present study was to evaluate the possible effects of climate factors on sperm quality of Holstein dairy bulls housed in northern Spain. Semen samples from 11 Holstein dairy bulls were collected and cryopreserved in winter, spring and summer. Sperm quality parameters such as motility, morphology, plasma membrane integrity, acrosome status, mitochondrial membrane potential, DNA fragmentation index and reactive oxygen species were assessed. Samples collected in spring showed higher mean values of total and progressive motility compared with samples collected in winter...
January 18, 2017: Veterinary Record
https://www.readbyqxmd.com/read/28100420/osteoarthritis-year-in-review-2016-mechanics
#14
REVIEW
D J Saxby, D G Lloyd
Inappropriate biomechanics, namely wear-and-tear, has been long believed to be a main cause of osteoarthritis (OA). However, this view is now being re-evaluated, especially when examined alongside mechanobiology and new biomechanical studies. These are multiscale experimental and computational studies focussing on cell- and tissue-level mechanobiology through to organ- and whole-body-level biomechanics, which focuses on the biomechanical and biochemical environment of the joint tissues. This review examined papers from April 2015 to April 2016, with a focus on multiscale experimental and computational biomechanical studies of OA...
December 16, 2016: Osteoarthritis and Cartilage
https://www.readbyqxmd.com/read/28100227/prenatal-and-postnatal-mothering-by-diesel-exhaust-pm2-5-exposed-dams-differentially-program-mouse-energy-metabolism
#15
Minjie Chen, Shuai Liang, Huifen Zhou, Yanyi Xu, Xiaobo Qin, Ziying Hu, Xiaoke Wang, Lianglin Qiu, Wanjun Wang, Yuhao Zhang, Zhekang Ying
BACKGROUND: Obesity is one of the leading threats to global public health. It is consequent to abnormal energy metabolism. Currently, it has been well established that maternal exposure to environmental stressors that cause inappropriate fetal development may have long-term adverse effects on offspring energy metabolism in an exposure timing-dependent manner, known as developmental programming of health and diseases paradigm. Rapidly increasing evidence has indicated that maternal exposure to ambient fine particles (PM2...
January 18, 2017: Particle and Fibre Toxicology
https://www.readbyqxmd.com/read/28100017/subspecies-delineation-amid-phenotypic-geographic-and-genetic-discordance-in-a-songbird
#16
Jennifer Walsh, Irby J Lovette, Virginia Winder, Chris S Elphick, Brian J Olsen, W Gregory Shriver, Adrienne I Kovach
Understanding the processes that drive divergence within and among species is a long-standing goal in evolutionary biology. Traditional approaches to assessing differentiation rely on phenotypes to identify intra- and interspecific variation, but many species express subtle morphological gradients in which boundaries among forms are unclear. This intraspecific variation may be driven by differential adaptation to local conditions and may thereby reflect the evolutionary potential within a species. Here, we combine genetic and morphological data to evaluate intraspecific variation within the Nelson's (Ammodramus nelsoni) and saltmarsh (A...
January 18, 2017: Molecular Ecology
https://www.readbyqxmd.com/read/28099966/involvement-of-xbp1s-in-blue-light-induced-a2e-containing-retinal-pigment-epithelium-cell-death
#17
Bing Lu, Pengfei Zhang, Minwen Zhou, Wenqiu Wang, Qing Gu, Jingyang Feng, Xueting Luo, Xiangjun Sun, Fenghua Wang, Xiaodong Sun
PURPOSE: Retinal pigment epithelium (RPE) cell dysfunction is essential to the development of retinal degenerative disease. This study was designed to investigate how spliced X-box-binding protein 1 (XBP1s) regulates different modes of RPE cell death in vitro. METHODS: Human ARPE19 cells were incubated with 25 μM N-retinylidene-N-retinylethanolamine (A2E) and irradiated with blue light. Expressions of glucose-regulated protein 78 (GRP78) and XBP1s were detected by real-time quantitative PCR and Western blot...
January 19, 2017: Ophthalmic Research
https://www.readbyqxmd.com/read/28099955/dermoscopy-of-granuloma-annulare-a-clinical-and-histological-correlation-study
#18
Enzo Errichetti, Aimilios Lallas, Zoe Apalla, Alessandro Di Stefani, Giuseppe Stinco
BACKGROUND: Dermoscopy of granuloma annulare has been investigated by several studies, but none of them took into account the variability of dermoscopic findings according to clinical characteristics and/or histological subtype. OBJECTIVE: To describe the dermoscopic features of classic granuloma annulare and seek possible dermoscopic clues related to specific clinical findings/histological subpatterns. METHODS: A representative dermoscopic image of a target lesion (the most active lesion underwent histological examination) was retrospectively assessed for the presence of specific morphological findings, correlating them with clinical variables, i...
January 19, 2017: Dermatology: International Journal for Clinical and Investigative Dermatology
https://www.readbyqxmd.com/read/28099366/does-the-distribution-pattern-of-brain-metastases-during-braf-inhibitor-therapy-reflect-phenotype-switching
#19
Silvia A Haueis, Pascale Kränzlin, Joanna Mangana, Phil F Cheng, Mirjana Urosevic-Maiwald, Ralph P Braun, Mitchell P Levesque, Reinhard Dummer, Simone M Goldinger
Brain metastases (brain mets) are frequent in metastatic melanoma patients. The aim of this study was to investigate the morphology and progression pattern of brain mets in melanoma patients treated with BRAF inhibitors (BRAFi) compared with patients who did not receive targeted therapy (BRAFi group and control group). The number and size of brain mets were compared between a baseline and a comparative MRI at progression. The number of brain mets was grouped into seven number classes (N=1-4, N=5-10, N=11-20, N=21-30, N=31-40, N=41-50, and N>50) and its difference was reported as the change of class that occurred...
January 17, 2017: Melanoma Research
https://www.readbyqxmd.com/read/28099219/a-review-of-the-clinical-utility-of-intravascular-ultrasound-ivus-and-optical-coherence-tomography-oct-in-the-assessment-and-treatment-of-coronary-artery-disease
#20
Stephen Daniel Matthews, William H Frishman
Coronary artery disease (CAD) remains one of the leading causes of morbidity and mortality in the United States. As a medical society, we continue to search for ways to better treat CAD and prevent acute coronary syndrome (ACS). As it stands, only statins and anti-platelets agents have been proven to significantly reduce the occurrence of ACS. A histopathological understanding of the pathogenesis of ACS has provided insight into the importance of plaque morphology. Therefore, it has been proposed that increasing the ability to detect true vulnerable, "at-risk" lesions, would foster the use of percutaneous coronary intervention as a means for the prevention of ACS...
January 11, 2017: Cardiology in Review
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