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https://www.readbyqxmd.com/read/28549191/maintenance-of-phosphate-homeostasis-and-root-development-are-coordinately-regulated-by-myb1-an-r2r3-type-myb-transcription-factor-in-rice
#1
Mian Gu, Jun Zhang, Huanhuan Li, Daqian Meng, Ran Li, Xiaoli Dai, Shichao Wang, Wei Liu, Hongye Qu, Guohua Xu
The adaptive responses of plants to phosphate (Pi) starvation stress are fine-tuned by an elaborate regulatory network. In this study, we identified and characterized a novel Pi starvation-responsive gene, MYB1, encoding an R2R3-type transcription factor in rice. MYB1 was transcriptionally induced in leaf sheaths and old leaf blades. It was localized to the nucleus and expressed mainly in vascular tissues. Mutation of MYB1 led to an increase in Pi uptake and accumulation, accompanied by altered expression of a subset of Pi transporters and several genes involved in Pi starvation signaling...
May 26, 2017: Journal of Experimental Botany
https://www.readbyqxmd.com/read/28548590/prenatal-exposure-to-neurotoxic-metals-is-associated-with-increased-placental-glucocorticoid-receptor-dna-methylation
#2
Allison A Appleton, Brian P Jackson, Margaret Karagas, Carmen J Marsit
Epigenetic alterations related to prenatal neurotoxic metals exposure may be key in understanding the origins of cognitive and neurobehavioral problems in children. Placental glucocorticoid receptor (NR3C1) methylation has been linked to neurobehavioral risk in early life, but has not been examined in response to neurotoxic metals exposure despite parallel lines of research showing metals exposure and NR3C1 methylation each contribute to a similar set of neurobehavioral phenotypes. Thus, we conducted a study of prenatal neurotoxic metals exposure and placental NR3C1 methylation in a cohort of healthy term singleton pregnancies from Rhode Island, USA (n = 222)...
May 26, 2017: Epigenetics: Official Journal of the DNA Methylation Society
https://www.readbyqxmd.com/read/28547734/systemic-therapy-for-soft-tissue-sarcoma-proposals-for-the-optimal-use-of-pazopanib-trabectedin-and-eribulin
#3
REVIEW
Akira Kawai, Kan Yonemori, Shunji Takahashi, Nobuhito Araki, Takafumi Ueda
Soft tissue sarcoma (STS) is a rare tumor with more than 50 histologic subtypes. Although treatment outcomes for patients with STS have improved greatly over the past few decades owing to the adoption of a multidisciplinary approach, patients with advanced disease have a poor prognosis. The development of anticancer drugs has been directed toward improving overall survival (OS). Doxorubicin monotherapy is currently the only standard option for the first-line treatment of STS. However, there is no standard therapy for second-line and later treatment at present...
May 25, 2017: Advances in Therapy
https://www.readbyqxmd.com/read/28547587/new-quantitative-radiographic-parameters-for-vertical-and-horizontal-instability-in-acromioclavicular-joint-dislocations
#4
Matthias A Zumstein, Philippe Schiessl, Benedikt Ambuehl, Lilianna Bolliger, Johannes Weihs, Martin H Maurer, Beat K Moor, Michael Schaer, Sumit Raniga
PURPOSE: The aim of this study was to identify the most accurate and reliable quantitative radiographic parameters for assessing vertical and horizontal instability in different Rockwood grades of acromioclavicular joint (ACJ) separations. Furthermore, the effect of projectional variation on these parameters was investigated in obtaining lateral Alexander view radiographs. METHODS: A Sawbone model of a scapula with clavicle was mounted on a holding device, and acromioclavicular dislocations as per the Rockwood classification system were simulated with the addition of horizontal posterior displacement...
May 25, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/28546119/posterior-bilateral-intermuscular-approach-for-upper-cervical-spine-injuries
#5
Yong Xu, Wei Xiong, SungⅡ Han, Zhong Fang, Feng Li
OBJECTIVE: To investigate a novel intermuscular surgical approach for posterior upper cervical spine fixation. METHODS: Twenty three healthy volunteers underwent MRI imaging. By using the MRI scans in transverse view at the level of lower edge of atlas, the distances from the posterior midline to lateral margin of trapezius (0-T), to the medial margin of splenius capitis (0-Spl), and to middle line of semispinalis capitis (0-Sem) were recorded. The angle between posterior middle line and the line crossing the lateral margin of trapezius and middle point of ipsilateral pedicles...
May 22, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28543704/comparison-of-2-vs-3-dimensional-fracture-mapping-strategies-for-3-dimensional-computerized-tomography-reconstructions-of-scapula-neck-body-fractures
#6
Anthony J Dugarte, Luisa Tkany, Lisa K Schroder, Andreas Petersik, Peter A Cole
Fracture mapping has been used in the understanding of injury patterns in different bones. To our knowledge, there are no applications of this technique using three-dimensional (3D) morphologic fracture characteristics. Previously, scapula fractures were mapped by transferring information from 3D computed tomography to a two-dimensional (2D) template. Cole et al. determined that 3D Computerized Tomography (CT) scans were more reliable compared to plain radiographs in terms of scapular angulation, translation, and glenopolar angle measurements...
May 19, 2017: Journal of Orthopaedic Research: Official Publication of the Orthopaedic Research Society
https://www.readbyqxmd.com/read/28543027/the-vascularized-groin-lymph-node-flap-vgln-anatomical-study-and-flap-planning-using-multi-detector-ct-scanner-the-golden-triangle-for-flap-harvesting
#7
Assaf A Zeltzer, Alexander Anzarut, Delphine Braeckmans, Katrin Seidenstuecker, Benoit Hendrickx, Eddy Van Hedent, Moustapha Hamdi
INTRODUCTION: A growing number of surgeons perform lymph node transfers for the treatment of lymphedema. When harvesting a vascularized lymph node groin flap (VGLNF) one of the major concerns is the potential risk of iatrogenic lymphedema of the donor-site. This article helps understanding of the lymph node distribution of the groin in order to minimize this risk. MATERIALS AND METHODS: Fifty consecutive patients undergoing abdominal mapping by multi-detector CT scanner were included and 100 groins analyzed...
May 25, 2017: Journal of Surgical Oncology
https://www.readbyqxmd.com/read/28541079/child-gender-influences-paternal-behavior-language-and-brain-function
#8
Jennifer S Mascaro, Kelly E Rentscher, Patrick D Hackett, Matthias R Mehl, James K Rilling
Multiple lines of research indicate that fathers often treat boys and girls differently in ways that impact child outcomes. The complex picture that has emerged, however, is obscured by methodological challenges inherent to the study of parental caregiving, and no studies to date have examined the possibility that gender differences in observed real-world paternal behavior are related to differential paternal brain responses to male and female children. Here we compare fathers of daughters and fathers of sons in terms of naturalistically observed everyday caregiving behavior and neural responses to child picture stimuli...
June 2017: Behavioral Neuroscience
https://www.readbyqxmd.com/read/28541005/a-combined-closing-wedge-distal-femoral-osteotomy-and-medial-reefing-procedure-for-recurrent-patellar-dislocation-with-genu-valgum
#9
Chong Bum Chang, Gautam M Shetty, Jong Seong Lee, Young Chan Kim, Jae Ho Kwon, Kyung Wook Nha
PURPOSE: Recurrent patellar dislocation is often associated with genu valgum. The purpose of this study was to analyze the short-term results of single-incision, closing-wedge distal femoral osteotomy (CWDFO) combined with medial reefing and lateral release for recurrent patellar instability with genu valgum. MATERIALS AND METHODS: Combined CWDFO/medial reefing/lateral release was performed on 10 knees. Clinical evaluation was based on pre- and postoperative Knee Society Score (KSS) and Kujala patellofemoral score...
July 2017: Yonsei Medical Journal
https://www.readbyqxmd.com/read/28539463/braf-fusion-as-a-novel-mechanism-of-acquired-resistance-to-vemurafenib-in-braf-v600e-mutant-melanoma
#10
Atul Kulkarni, Husam Al-Hraishawi, Srilatha Simhadri, Kim M Hirshfield, Suzie Chen, Sharon R Pine, Chandrika Jeyamohan, Levi Sokol, Siraj M Ali, Man Lung Teo, Eileen White, Lorna Rodriguez-Rodriguez, Janice M Mehnert, Shridar Ganesan
Many patients with BRAF (V)(600E) mutant melanoma treated with BRAF inhibitors experience a rapid response, but ultimately develop resistance. Insight into the mechanism of resistance is critical for development of more effective treatment strategies. <br /><br />Experimental Design: Comprehensive genomic profiling of serial biopsies was performed in a patient with a BRAF(V600E) mutant metastatic melanoma who developed resistance to vemurafenib. An AGAP3-BRAF fusion gene, identified in the vemurafenib-resistant tumor, was expressed in BRAF(V600E) melanoma cell lines and its effect on drug sensitivity was evaluated...
May 24, 2017: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/28538612/scleral-contact-lenses-in-an-academic-oculoplastics-clinic-epidemiology-and-emerging-considerations
#11
Harinder S Chahal, Marcela Estrada, Christine W Sindt, Jacob A Boehme, Mark A Greiner, Jeffrey A Nerad, Keith D Carter, Richard C Allen, Erin M Shriver
PURPOSE: To describe the role and efficacy of scleral contact lenses (SCLs) in the treatment of progressive keratopathy in patients who have undergone periocular surgical procedures, to investigate the financial impact of these surgical interventions, and to demonstrate the role of oculoplastic surgery in improving scleral contact lens fit. METHODS: A retrospective medical record review was performed to identify patients who both received SCLs and were examined by the oculoplastics service at the University of Iowa between January 1990 and December 2015...
May 22, 2017: Ophthalmic Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/28538407/unusual-jaw-metastasis-from-squamous-cell-lung-cancer-in-heavy-smoker-two-case-reports-and-review-of-the-literature
#12
Aldo Pezzuto, Michelangelo Morrone, Elidon Mici
RATIONALE: Jaw metastasis is a very rare condition associated with lung cancer evolution. In this paper we present two cases of patients who underwent different approach.Lung cancer is the leading cause of cancer related death worldwide. Survival depends on the staging and biology of tumor. Smoking may affect the prognosis. PATIENT CONCERNS: There are herein reported the cases of two patients affected by squamous cell lung cancer with spread to mandibular bone. DIAGNOSES: In the first case a computed tomography (CT scan) showed a large mass located in upper right lung , then bronchoscopy was performed with biopsies and the histology revealed a squamous cell carcinoma P63+ and TTF-...
May 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28538405/marked-response-to-nab-paclitaxel-in-egfr-mutated-lung-neuroendocrine-carcinoma-a-case-report
#13
Jin-Yan Liang, Fan Tong, Fei-Fei Gu, Yang-Yang Liu, Yu-Lan Zeng, Xiao-Hua Hong, Kai Zhang, Li Liu
RATIONALE: Lung cancer is the leading cause of cancer-related death in the world. Tyrosine kinase inhibitors (TKIs), which target mutated epidermal growth factor receptor (EGFR), have been the first-line treatment of late-stage lung adenocarcinoma harboring EGFR mutation. EGFR mutations are mostly identified in lung adenocarcinoma. However, it is rarely seen in lung neuroendocrine carcinoma, and treatment strategies remain under reported. PATIENT CONCERNS: Here, we describe a 54-year-old Chinese man diagnosed with lung adenocarcinoma (cT4N3M1b, stage IV) with neuroendocrine differentiation and L858R mutation on exon 21...
May 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28538156/a-simple-marker-assisted-3d-nanometer-drift-correction-method-for-superresolution-microscopy
#14
Hongqiang Ma, Jianquan Xu, Jingyi Jin, Yi Huang, Yang Liu
High-precision fluorescence microscopy such as superresolution imaging or single-particle tracking often requires an online drift correction method to maintain the stability of the three-dimensional (3D) position of the sample at a nanometer precision throughout the entire data acquisition process. Current online drift correction methods require modification of the existing two-dimensional (2D) fluorescence microscope with additional optics and detectors, which can be cumbersome and limit its use in many biological laboratories...
May 23, 2017: Biophysical Journal
https://www.readbyqxmd.com/read/28538068/clinical-and-cephalometric-analysis-of-facial-soft-tissue
#15
Jeseok Oh, Jeong Joon Han, Sun-Youl Ryu, Hee-Kyun Oh, Min-Suk Kook, Seunggon Jung, Hong-Ju Park
OBJECTIVE: This study aimed to provide average of standard values in planning orthognathic surgery in Asians. MATERIALS AND METHODS: Thirty-three Asians with well-balanced facial profile, combined with class I occlusion and stabilized condylar head were evaluated using lateral cephalograms. RESULTS: Facial length (Nasion'-Menton') was 138.8 and 127.0 mm in male and female, respectively. Upper and lower lip length were 24.5 and 49.8 mm for male, and 22...
May 19, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28537917/microrna-210-suppresses-glucocorticoid-receptor-expression-in-response-to-hypoxia-in-fetal-rat-cardiomyocytes
#16
Shannalee R Martinez, Qingyi Ma, Chiranjib Dasgupta, Xianmei Meng, Lubo Zhang
Hypoxia is a common intrauterine stressor, often resulting in intrauterine growth restriction and increased risk for cardiovascular disease later in life. The aim of this work was to test the hypothesis that microRNA-210 (miR-210) mediates the detrimental suppression of glucocorticoid receptor (GR) in response to hypoxia in fetal rat cardiomyocytes. Cardiomyocytes isolated from gestational day 21 Sprague Dawley fetal rats showed increased miR-210 levels and reduced GR abundance after exposure to ex vivo hypoxia (1% O2)...
May 11, 2017: Oncotarget
https://www.readbyqxmd.com/read/28536919/whose-hand-is-this-differential-responses-of-right-and-left-extrastriate-body-areas-to-visual-images-of-self-and-others-hands
#17
Francesco De Bellis, Luigi Trojano, Domenico Errico, Dario Grossi, Massimiliano Conson
The extrastriate body area (EBA) is involved in perception of human bodies and nonfacial body parts, but its role in representing body identity is not clear. Here, we used on-line high-frequency repetitive transcranial magnetic stimulation (rTMS) to test the role of EBA in self-other distinction. In Experiments 1 and 2 we compared rTMS of right EBA with stimulation of left ventral premotor cortex (vPM), whereas in Experiment 3 we compared stimulation of right and left EBA. RTMS was applied during a hand laterality task in which self or others' hand images were presented in first- versus third-person view (Experiments 1 and 3), or while participants had to explicitly recognize their own hands (Experiment 2) presented in first- versus third-person view...
May 23, 2017: Cognitive, Affective & Behavioral Neuroscience
https://www.readbyqxmd.com/read/28535513/pkc-%C3%AE-triggers-egfr-ubiquitination-endocytosis-and-erk-activation-in-podocytes-stimulated-with-high-glucose
#18
Chun-Tao Lei, Yan-Hong Wei, Hui Tang, Qian Wen, Chen Ye, Chun Zhang, Hua Su
BACKGROUND: Protein Kinase C-α (PKC-α) and epidermal growth factor receptor (EGFR) are both involved in diabetic kidney disease; however, the connection between these two proteins during high glucose-induced podocyte injury remains uncertain. METHODS: Diabetes was induced in SD rats by streptozotocin (STZ). Fourteen days later, the kidney cortex was removed and subjected to plasma membrane isolation and lipid raft fractionation. In vitro study human podocyte cell line was differentiated and subjected to various treatments...
May 25, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28534769/a-systematic-investigation-of-lateral-estimation-using-various-interpolation-approaches-in-conventional-ultrasound-imaging
#19
Zhi Liu, Chengwu Huang, Jianwen Luo
Accurate lateral displacement and strain estimat- ion is critical for some applications of elasticity imaging. Typically, motion estimation in the lateral direction is challenging because of low sampling frequency and lack of phase information in conventional ultrasound imaging. Several approaches have been proposed to improve the performance of lateral estimation, such as lateral interpolation on the RF signals (Interp_RF), lateral interpolation on the cross-correlation function (Interp_CCF) and lateral interpolation on both the RF signals and cross-correlation function (Interp_Both)...
May 17, 2017: IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control
https://www.readbyqxmd.com/read/28533785/qtl-mapping-for-yield-and-resistance-against-mediterranean-corn-borer-in-maize
#20
José C Jiménez-Galindo, Bernardo Ordás, Ana Butrón, Luis F Samayoa, Rosa A Malvar
Introduction: The Mediterranean corn borer (MCB), Sesamia nonagrioides, is a major pest of maize, Zea mays, in Mediterranean countries, inflicting significant kernel yield losses. For that reason, it necessary to know the genetic mechanisms that regulate the agronomic and resistance traits. A quantitative trait loci (QTL) mapping study for yield, resistance against MCB attack, and other relevant agronomic traits was performed using a recombinant inbred line (RIL) population derived from the cross A637 × A509 that is expected to segregate for yield, and ear, and stalk resistance to MCB...
2017: Frontiers in Plant Science
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