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Hsiao-Chen Chiu, Meng-Yu Wu, Chao-Hsu Li, Su-Cheng Huang, Giou-Teng Yiang, Hsuan-Shang Yen, Wei-Lin Liu, Chia-Jung Li, Woei-Yau Kao
Disseminated peritoneal leiomyomatosis (DPL) is a rare condition that is characterized by the presence of multiple subperitoneal or peritoneal smooth muscle nodules of varying sizes on the omentum and peritoneal surfaces, grossly mimicking disseminated carcinoma. DPL usually develops in premenopausal women with a benign course, and it is often found incidentally during abdominal surgery. Malignant transformation is a rare clinical course of DPL. Only a few studies have focused on DPL transformation into a leiomyosarcoma...
August 9, 2018: Journal of Clinical Medicine
Kyle A Batton, Beau B Toskich, Jordan D LeGout, Candice W Bolan, Matthew T Grove, Jason T Lewis, J Mark McKinney, Tara J Brigham, Barbara L McComb
Disseminated peritoneal leiomyomatosis (DPL) is a rare variant of extrauterine leiomyomatosis with reported spontaneous and iatrogenic occurrences. It has been associated with hysterectomy and myomectomy. To our knowledge, reports have not yet substantiated occurrence following uterine artery embolization (UAE), which has become a routine minimally invasive alternative to surgery for the treatment of symptomatic leiomyomata. This report presents the case of a nulliparous premenopausal woman with no other contributory history who presented with DPL 3 years after UAE...
August 7, 2018: Cardiovascular and Interventional Radiology
Yinzhi Zhao, Peng Zhang, Jiming Guo, Xin Li, Jinling Wang, Fei Yang, Xinzhe Wang
Due to the great influence of multipath effect, noise, clock and error on pseudorange, the carrier phase double difference equation is widely used in high-precision indoor pseudolite positioning. The initial position is determined mostly by the known point initialization (KPI) method, and then the ambiguities can be fixed with the LAMBDA method. In this paper, a new method without using the KPI to achieve high-precision indoor pseudolite positioning is proposed. The initial coordinates can be quickly obtained to meet the accuracy requirement of the indoor LAMBDA method...
June 20, 2018: Sensors
Arnab Lahiri, Pranab K Mondal
Spatiotemporal thermal response and characteristics of net entropy production rate of a gold nanosphere (radius: 50-200 nm), subjected to a short-pulse, femtosecond laser is reported. In order to correctly illustrate the temperature history of laser-metal interaction(s) at picoseconds transient with a comprehensive single temperature definition in macroscale and to further understand how the thermophysical response of the single-phase lag (SPL) and dual-phase lag (DPL) frameworks (with various lag-ratios') differs, governing energy equations derived from these benchmark non-Fourier frameworks are numerically solved and thermodynamic assessment under both the classical irreversible thermodynamics (CIT) as well as extended irreversible thermodynamics (EIT) frameworks is subsequently carried out...
April 2018: Physical Review. E
Fabiana M Corrêa, Óscar M Chaves, Rodrigo C Printes, Helena P Romanowski
Wild primates that live in urban areas face extreme threats that are less frequent in nonurban fragments, such as the presence of dangerous matrix elements (e.g., roads, power lines, buildings, and a high density of domestic dogs near food patches), that could influence their movements, feeding behavior, and survival. However, the scarcity of studies addressing this issue hinders our understanding of the behavioral adjustments that favor the survival of primates in urban areas. For 12 months, we studied a six-individual group of brown howlers (Alouatta guariba clamitans) in an urban fragment to determine (i) their diet richness and its relationships with food availability, (ii) their daily path length (DPL) and the matrix elements used during movement, and (iii) the main ecological drivers of the DPL...
June 2018: American Journal of Primatology
Tokiko Furuta, Hyoe-Jin Joo, Kenneth A Trimmer, Shin-Yu Chen, Swathi Arur
Adult C. elegans germline stem cells (GSCs) and mouse embryonic stem cells (mESCs) exhibit a non-canonical cell cycle structure with an abbreviated G1 phase and phase-independent expression of Cdk2 and cyclin E. Mechanisms that promote the abbreviated cell cycle remain unknown, as do the consequences of not maintaining an abbreviated cell cycle in these tissues. In GSCs, we discovered that loss of gsk-3 results in reduced GSC proliferation without changes in differentiation or responsiveness to GLP-1/Notch signaling...
May 14, 2018: Development
Andrea Aguilar-Arredondo, Angélica Zepeda
The dentate gyrus (DG) is a neurogenic structure that exhibits functional and structural reorganization after injury. Neurogenesis and functional recovery occur after brain damage, and the possible relation between both processes is a matter of study. We explored whether neurogenesis and the activation of new neurons correlated with DG recovery over time. We induced a DG lesion in young adult rats through the intrahippocampal injection of kainic acid and analyzed functional recovery and the activation of new neurons after animals performed a contextual fear memory task (CFM) or a control spatial exploratory task...
July 2018: Brain Structure & Function
Alexander Gehring, Bernd Gerber, Claudia Tolla-Jensen, Reiko Wiessner
No abstract text is available yet for this article.
April 5, 2018: Journal of Obstetrics and Gynaecology: the Journal of the Institute of Obstetrics and Gynaecology
Huihui Gan, Baishuang Yue, Yan Wang, Zhong Lu
OBJECTIVE: To evaluate the efficacy and safety of narrow-band intense pulsed light (DPL) in treating facial telangiectasia. METHOD: Thirty patients with facial telangiectasia underwent five sessions of treatment with DPL (500 nm~600 nm) at 4-week interval. The erythema index (EI), temperature, transepidermal water loss (TEWL), and lightness of the skin (L) were measured before each treatment session and at each follow-up. RESULT: Thirty cases completed treatment and follow-ups...
February 20, 2018: Journal of Cosmetic and Laser Therapy: Official Publication of the European Society for Laser Dermatology
Lei Jiang, Weizhi Chen, Sensen Zhou, Cheng Li, Xiaoke Zhang, Wei Wu, Xiqun Jiang
A class of new dendritic phospholipid compounds with different hydrophilic dendritic poly(l-lysine) peripheries from generations 1 (G1) to 3 (G3) (DPL-1 to DPL-3) were synthesised and nano-drug delivery systems based on these compounds were prepared (DPN-2 and DPN-3). DPL-1 couldn't self-assemble into nanocarriers. The size, TEM image, and the CD spectrum of DPN-2 and DPN-3 were experimentally examined. The effect of the peripheral structure of dendritic phospholipid-based nanocarriers on their biological performance and drug delivery efficiency was studied...
March 26, 2018: Biomaterials Science
Rafiul Amin Laskar, Amaj Ahmed Laskar, Aamir Raina, Samiullah Khan, Hina Younus
Induced mutagenesis generates macromolecular variations which ultimately alters the bio-physiological and morphological nature of the crop genotypes. In the present study, molecular characterization of six high yielding lentil mutant lines, developed from hydrazine hydrates (HZ) and gamma rays mutagenesis, was carried out with sodium dodecyl sulfate-polyacrylamide gel electrophoresis (SDS-PAGE) and random amplified polymorphic DNA (RAPD) markers. Activity of nitrate reductase (NR) and content of chlorophyll and carotenoid were found to be significantly high in the mutant lines...
April 1, 2018: International Journal of Biological Macromolecules
Xuhua Fang, Ziling Huang, Yu Zeng, Xuyou Zhu, Siqi Wang, Xiaoting Yu, Xian Li, Chunyan Wu, Xianghua Yi
BACKGROUND: Diffuse pulmonary lymphangiomatosis (DPL) mainly affects the lung and pleura. There are very few pathological reports of lung damage accompanied by diffuse involvement of the extrapulmonary lymph nodes and surrounding soft tissue. The clinicopathological significance of coexistence of pulmonary and extrapulmonary lesions is unknown. METHODS: Here, we report a 16-year-old male patient. The pathological specimens of the supraclavicular lymph node and soft tissue together with the lung biopsy were analyzed by pathological observation and immunohistochemical staining...
December 2017: Medicine (Baltimore)
Shubo Li, Yihuai Pan
Connective tissue growth factor (CTGF) is a downstream mediator of transforming growth factor-beta 1 (TGF-β1 ) and TGF-β1 -induced CTGF expression is regulated through SMAD pathway. However, there is no literature showing the expression of TGF-β1 -SMAD2/3-CTGF signaling pathway during postnatal tooth development and the formation of junctional epithelium (JE). Hence, we aimed to analyze the localization of TGF-β1 , CTGF and phosphorylated SMAD2/3 (p-SMAD2/3) in the developing postnatal rat molars. Wistar rats were killed at postnatal (PN) 0...
March 2018: Annals of Anatomy, Anatomischer Anzeiger: Official Organ of the Anatomische Gesellschaft
Ajay Kumar, Sushil Kumar, V K Katiyar, Shirley Telles
The Pennes bio-heat model is based on Fourier's law of heat conduction, which assumed that a thermal signal propagate with infinite speed. This gives contradiction in physical situation. Also, the hyperbolic bio-heat model considers the micro scale response in time, but it does not explain the micro scale response in space. Therefore, to consider the thermal behaviour which is not captured by the Fourier's law and to take into account the microstructural effect in space, a dual phase lag (DPL) bio-heat conduction model would be advantageous...
October 2017: Journal of Thermal Biology
Karicha Mairaing, Kuan-Gen Huang
STUDY OBJECTIVE: To demonstrate a minimal invasive surgical (MIS) technique for curative excision of extensive secondary disseminated peritoneal leiomyomatosis (DPL). DESIGN: The Institutional Review Board of Human Investigation and Ethics Committee of Chang Gung Medical Foundation ruled that approval was not required for this study. PATIENT: Woman aged 46 years. INTERVENTIONS, MEASUREMENTS, AND MAIN RESULTS: In MIS the myoma has to be divided into small fragments for piecemeal retrieval through a small incision [1] with a widely used technique called morcellation (confined or unconfined) [2]...
May 2018: Journal of Minimally Invasive Gynecology
Fannie Darlot, Stéphane Vinit, Valéry Matarazzo, Anne Kastner
Following central nervous system lesion, the ability of injured axons to regrowth may depend on the level and duration of the injured cell body response (CBR). Therefore, to investigate whether axotomized brainstem neurons maintain a durable growth-competent state after spinal cord injury, we studied the effect of a chronic C2 hemisection in rats on the expression of various CBR markers involved in axon regeneration, such as c-Jun, ATF-3, HSP27, NO synthase (NOS), and also of the neural mature phenotype marker NeuN, in the bulbospinal respiratory neurons as compared to the gigantocellularis nucleus...
December 2017: European Journal of Neuroscience
Gmar Bensidhom, Aïda Ben Hassen-Trabelsi, Koray Alper, Maher Sghairoun, Kaouther Zaafouri, Ismail Trabelsi
The pyrolysis of several Tunisian Date Palm Wastes (DPW): Date Palm Rachis (DPR), Date Palm Leaflets (DPL), Empty Fruit Bunches (EFB) and Date Palm Glaich (DPG) was run using a fixed-bed reactor, from room temperature to 500°C, with 15°C/min as heating rate and -5°C as condensation temperature, in order to produce bio-oil, biochar and syngas. In these conditions, the bio-oil yield ranges from 17.03wt% for DPL to 25.99wt% for EFB. For the biochar, the highest yield (36.66wt%) was obtained for DPL and the lowest one (31...
January 2018: Bioresource Technology
Yang He, Yanquan Geng, Yongda Yan, Xichun Luo
We show that an atomic force microscope (AFM) tip-based dynamic plowing lithography (DPL) approach can be used to fabricate nanoscale pits with high throughput. The method relies on scratching with a relatively large speed over a sample surface in tapping mode, which is responsible for the separation distance of adjacent pits. Scratching tests are carried out on a poly(methyl methacrylate) (PMMA) thin film using a diamond-like carbon coating tip. Results show that 100 μm/s is the critical value of the scratching speed...
September 22, 2017: Nanoscale Research Letters
Dinesh Kumar, P Kumar, K N Rai
This paper deals with numerical modeling and simulation of heat transfer in skin tissues using non-linear dual-phase-lag (DPL) bioheat transfer model under periodic heat flux boundary condition. The blood perfusion is assumed temperature-dependent which results in non-linear DPL bioheat transfer model in order to predict more accurate results. A numerical method of line which is based on finite difference and Runge-Kutta (4,5) schemes, is used to solve the present non-linear problem. Under specific case, the exact solution has been obtained and compared with the present numerical scheme, and we found that those are in good agreement...
November 2017: Mathematical Biosciences
I R Sasselli, I P Moreira, R V Ulijn, T Tuttle
There is significant interest in the use of unmodified self-assembling peptides as building blocks for functional, supramolecular biomaterials. Recently, dynamic peptide libraries (DPLs) have been proposed to select self-assembling materials from dynamically exchanging mixtures of dipeptide inputs in the presence of a nonspecific protease enzyme, where peptide sequences are selected and amplified based on their self-assembling tendencies. It was shown that the results of the DPL of mixed sequences (e.g. starting from a mixture of dileucine, L2 , and diphenylalanine, F2 ) did not give the same outcome as the separate L2 and F2 libraries (which give rise to the formation of F6 and L6 ), implying that interactions between these sequences could disrupt the self-assembly...
August 9, 2017: Organic & Biomolecular Chemistry
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