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https://www.readbyqxmd.com/read/29527598/locally-affine-diffeomorphic-surface-registration-for-planning-of-metopic-craniosynostosis-surgery
#1
Antonio R Porras, Beatriz Paniagua, Andinet Enquobahrie, Scott Ensel, Hina Shah, Robert Keating, Gary F Rogers, Marius George Linguraru
The outcome of cranial vault reconstruction for the surgical treatment of craniosynostosis heavily depends on the surgeon's expertise because of the lack of an objective target shape. We introduce a surface-based diffeomorphic registration framework to create the optimal post-surgical cranial shape during craniosynostosis treatment. Our framework estimates and labels where each bone piece needs to be cut using a reference template. Then, it calculates how much each bone piece needs to be translated and in which direction, using the closest normal shape from a multi-atlas as a reference...
September 2017: Medical Image Computing and Computer-assisted Intervention: MICCAI ..
https://www.readbyqxmd.com/read/29333926/engrailed-1-overexpression-as-a-potential-prognostic-marker-in-quintuple-negative-breast-cancer
#2
Yu Jin Kim, Minjung Sung, Ensel Oh, Michael Van Vrancken, Ji-Young Song, Kyungsoo Jung, Yoon-La Choi
Triple-negative breast cancer (TNBC) is an aggressive breast cancer subtype characterized by poor patient prognosis and for which no targeted therapies are currently available. TNBC can be further categorized as either basal-like (BLBC) or quintuple-negative breast cancer (QNBC). In the present study, we aimed to identify novel molecular therapeutic targets for TNBC by analyzing the mRNA expression of TNBC-related genes in publicly available microarray data sets. We found that Engrailed 1 (EN1) was significantly overexpressed in TNBC...
April 3, 2018: Cancer Biology & Therapy
https://www.readbyqxmd.com/read/29190909/genes-co-amplified-with-erbb2-or-met-as-novel-potential-cancer-promoting-genes-in-gastric-cancer
#3
Mi Jeong Kwon, Ryong Nam Kim, Kyoung Song, Sinyoung Jeon, Hae Min Jeong, Joo Seok Kim, Jinil Han, Sungyoul Hong, Ensel Oh, Jong-Sun Choi, Jungsuk An, Jonathan R Pollack, Yoon-La Choi, Cheol-Keun Park, Young Kee Shin
Gastric cancer (GC), one of the most common cancers worldwide, has a high mortality rate due to limited treatment options. Identifying novel and promising molecular targets is a major challenge that must be overcome if treatment of advanced GC is to be successful. Here, we used comparative genomic hybridization and gene expression microarrays to examine genome-wide DNA copy number alterations (CNAs) and global gene expression in 38 GC samples from old and young patients. We identified frequent CNAs, which included copy number gains on chromosomes 3q, 7p, 8q, 20p, and 20q and copy number losses on chromosomes 19p and 21p...
November 3, 2017: Oncotarget
https://www.readbyqxmd.com/read/29167840/intracranial-volume-quantification-from-3d-photography
#4
Liyun Tu, Antonio R Porras, Scott Ensel, Deki Tsering, Beatriz Paniagua, Andinet Enquobahrie, Albert Oh, Robert Keating, Gary F Rogers, Marius George Linguraru
3D photography offers non-invasive, radiation-free, and anesthetic-free evaluation of craniofacial morphology. However, intracranial volume (ICV) quantification is not possible with current non-invasive imaging systems in order to evaluate brain development in children with cranial pathology. The aim of this study is to develop an automated, radiation-free framework to estimate ICV. Pairs of computed tomography (CT) images and 3D photographs were aligned using registration. We used the real ICV calculated from the CTs and the head volumes from their corresponding 3D photographs to create a regression model...
2017: Computer Assisted and Robotic Endoscopy and Clinical Image-Based Procedures: 4th International Workshop, CARE 2017, and 6th International Workshop, CLIP 2017, Held in Conjunction with MICCAI 2017, Québec City, QC, Canada, September 14, 2017, Proceedings
https://www.readbyqxmd.com/read/29059837/cranial-ultrasound-based-prediction-of-post-hemorrhagic-hydrocephalus-outcome-in-premature-neonates-with-intraventricular-hemorrhage
#5
Pooneh R Tabrizi, Rawad Obeid, Awais Mansoor, Scott Ensel, Juan J Cerrolaza, Anna Penn, Marius George Linguraru
Premature neonates with intraventricular hemorrhage (IVH) followed by post hemorrhagic hydrocephalus (PHH) are at high risk for brain injury. Cranial ultrasound (CUS) is used for monitoring of premature neonates during the first weeks after birth to identify IVH and follow the progression to PHH. However, the lack of a standardized method for CUS evaluation has led to significant variability in decision making regarding treatment. We propose a quantitative imaging tool for the evaluation of PHH on CUS for premature neonates based on morphological features of the cerebral ventricles...
July 2017: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28977883/targeted-exome-sequencing-of-korean-triple-negative-breast-cancer-reveals-homozygous-deletions-associated-with-poor-prognosis-of-adjuvant-chemotherapy-treated-patients
#6
Hae Min Jeong, Ryong Nam Kim, Mi Jeong Kwon, Ensel Oh, Jinil Han, Se Kyung Lee, Jong-Sun Choi, Sara Park, Seok Jin Nam, Gyung Yup Gong, Jin Wu Nam, Doo Ho Choi, Hannah Lee, Byung-Ho Nam, Yoon-La Choi, Young Kee Shin
Triple-negative breast cancer is characterized by the absence of estrogen and progesterone receptors and human epidermal growth factor receptor 2, and is associated with a poorer outcome than other subtypes of breast cancer. Moreover, there are no accurate prognostic genes or effective therapeutic targets, thereby necessitating continued intensive investigation. This study analyzed the genetic mutation landscape in 70 patients with triple-negative breast cancer by targeted exome sequencing of tumor and matched normal samples...
September 22, 2017: Oncotarget
https://www.readbyqxmd.com/read/28977029/unforeseen-clonal-evolution-of-tumor-cell-population-in-recurrent-and-metastatic-dermatofibrosarcoma-protuberans
#7
Ensel Oh, Hae Min Jeong, Mi Jeong Kwon, Sang Yun Ha, Hyung Kyu Park, Ji-Young Song, Yu Jin Kim, Jong-Sun Choi, Eun Hee Lee, Jeeyun Lee, Yoon-La Choi, Young Kee Shin
Dermatofibrosarcoma protuberans (DFSP) is a very rare soft tissue sarcoma, generally of low-grade malignancy. DFSP is locally aggressive with a high recurrence rate, but metastasis occurs rarely. To investigate the mechanism of metastasis in DFSP, we analyzed the whole exome sequencing data of serial tumor samples obtained from a patient who had a 10-year history of recurrent and metastatic DFSP. Tracking various genomic alterations, namely somatic mutations, copy number variations, and chromosomal rearrangements, we observed a dramatic change in tumor cell population during the occurrence of metastasis in this DFSP case...
2017: PloS One
https://www.readbyqxmd.com/read/28818465/girdin-protein-expression-is-associated-with-poor-prognosis-in-patients-with-invasive-breast-cancer
#8
Jong-Sun Choi, Kyung Hee Kim, Ensel Oh, Young Kee Shin, Jinwon Seo, Seok-Hyung Kim, Sarah Park, Yoon-La Choi
Girdin is an actin-binding Akt substrate that is an integral component of the PI3K/Akt signalling pathway. However, the clinicopathological significance of Girdin expression in breast cancer has not been clarified. The purpose of this study was to characterise the clinicopathological implication of Girdin expression in breast cancer. Immunohistochemistry-based protein expression analyses of 892 human breast cancer tissues showed that Girdin was expressed in 289 (32.4%) cases. Girdin expression was significantly associated with larger tumour size, frequent lymph node invasion, advanced cancer stage, and expression of oestrogen and progesterone receptors...
August 14, 2017: Pathology
https://www.readbyqxmd.com/read/28806950/precision-medicine-approaches-to-lung-adenocarcinoma-with-concomitant-met-and-her2-amplification
#9
Doo-Yi Oh, Kyungsoo Jung, Ji-Young Song, Seokhwi Kim, Sang Shin, Yong-Jun Kwon, Ensel Oh, Woong-Yang Park, Sang Yong Song, Yoon-La Choi
BACKGROUND: Patient-derived xenograft (PDX) models are important tools in precision medicine and for the development of targeted therapies to treat cancer patients. This study aimed to evaluate our precision medicine strategy that integrates genomic profiling and preclinical drug-screening platforms, in order to personalize cancer treatments using PDX models. METHODS: We performed array-comparative genomic hybridization, microarray, and targeted next-generation sequencing analyses, in order to determine the oncogenic driver mutations...
August 10, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28679863/targeted-exome-sequencing-of-korean-triple-negative-breast-cancer-reveals-homozygous-deletions-associated-with-poor-prognosis-of-adjuvant-chemotherapy-treated-patients
#10
Hae Min Jeong, Ryong Nam Kim, Mi Jeong Kwon, Ensel Oh, Jinil Han, Se Kyung Lee, Jong-Sun Choi, Sara Park, Seok Jin Nam, Gyung Yup Gong, Jin Wu Nam, Doo Ho Choi, Hannah Lee, Byung-Ho Nam, Yoon-La Choi, Young Kee Shin
Triple-negative breast cancer is characterized by the absence of estrogen and progesterone receptors and human epidermal growth factor receptor 2, and is associated with a poorer outcome than other subtypes of breast cancer. Moreover, there are no accurate prognostic genes or effective therapeutic targets, thereby necessitating continued intensive investigation. This study analyzed the genetic mutation landscape in 70 patients with triple-negative breast cancer by targeted exome sequencing of tumor and matched normal samples...
June 27, 2017: Oncotarget
https://www.readbyqxmd.com/read/28606806/bcl2-induced-by-lamtor3-mapk-is-a-druggable-target-of-chemoradioresistance-in-mesenchymal-lung-cancer
#11
Ok-Seon Kwon, Soon-Ki Hong, Soo-Jung Kwon, Young-Hyun Go, Ensel Oh, Hyuk-Jin Cha
Mesenchymal-type cancers after epithelial mesenchymal transition (EMT) were recently shown to acquire chemoresistance through expressing EMT specific transcription factors. However, druggable (or actionable) target(s) for chemoresistance in mesenchymal-type lung cancers remain unidentified. Here, we used a public clinical genomic database and mesenchymal lung cancer cells (MLCC) model derived from the A549 lung adenocarcinoma cell line to demonstrate that BCL2 expression, which is highly induced in mesenchymal-type lung cancers, as a predictor of poor prognosis in mesenchymal lung cancer patients and association with acquired chemoradioresistance...
September 10, 2017: Cancer Letters
https://www.readbyqxmd.com/read/28502721/met-exon-14-skipping-mutations-in-lung-adenocarcinoma-clinicopathologic-implications-and-prognostic-values
#12
Geun Dong Lee, Seung Eun Lee, Doo-Yi Oh, Dan-Bi Yu, Hae Min Jeong, Jooseok Kim, Sungyoul Hong, Hun Soon Jung, Ensel Oh, Ji-Young Song, Mi-Sook Lee, Mingi Kim, Kyungsoo Jung, Jhingook Kim, Young Kee Shin, Yoon-La Choi, Hyeong Ryul Kim
INTRODUCTION: Response to mesenchymal-epithelial transition (MET) inhibitors in NSCLC with mesenchymal-epithelial transition gene (MET) exon 14 skipping (METex14) has fueled molecular screening efforts and the search for optimal therapies. However, further work is needed to refine the clinicopathologic and prognostic implications of METex14 skipping. METHODS: Among 795 East Asian patients who underwent a surgical procedure for NSCLC, we screened 45 patients with quintuple-negative (EGFR-negative/KRAS-negative/anaplastic lymphoma kinase gene [ALK]-negative/ROS1-negative/ret proto-oncogene [RET]-negative) lung adenocarcinomas by using reverse-transcriptase polymerase chain reaction and found 17 patients (37...
August 2017: Journal of Thoracic Oncology
https://www.readbyqxmd.com/read/28043798/a-matrix-focused-structure-activity-and-binding-site-flexibility-study-of-quinolinol-inhibitors-of-botulinum-neurotoxin-serotype-a
#13
William A Harrell, Rebecca C Vieira, Susan M Ensel, Vicki Montgomery, Rebecca Guernieri, Vanessa S Eccard, Yvette Campbell, Virginia Roxas-Duncan, John H Cardellina, Robert P Webb, Leonard A Smith
Our initial discovery of 8-hydroxyquinoline inhibitors of BoNT/A and separation/testing of enantiomers of one of the more active leads indicated considerable flexibility in the binding site. We designed a limited study to investigate this flexibility and probe structure-activity relationships; utilizing the Betti reaction, a 36 compound matrix of quinolinol BoNT/A LC inhibitors was developed using three 8-hydroxyquinolines, three heteroaromatic amines, and four substituted benzaldehydes. This study has revealed some of the most effective quinolinol-based BoNT/A inhibitors to date, with 7 compounds displaying IC50 values ⩽1μM and 11 effective at ⩽2μM in an ex vivo assay...
February 1, 2017: Bioorganic & Medicinal Chemistry Letters
https://www.readbyqxmd.com/read/27875519/expression-of-somatostatin-receptors-2-and-5-in-circulating-tumour-cells-from-patients-with-neuroendocrine-tumours
#14
Alexa Childs, Clare Vesely, Leah Ensell, Helen Lowe, Tu Vinh Luong, Martyn E Caplin, Christos Toumpanakis, Christina Thirlwell, John A Hartley, Tim Meyer
BACKGROUND: Neuroendocrine tumours (NET) overexpress somatostatin receptors (SSTR) that can be targeted for therapy. Somatostatin receptor expression is routinely measured by molecular imaging but the resolution is insufficient to define heterogeneity. We hypothesised that SSTR expression could be measured on circulating tumour cells (CTCs) and used to investigate heterogeneity of expression and track changes during therapy. METHODS: MCF-7 cells were transfected with SSTR2 or 5 and spiked into donor blood for analysis by CellSearch...
December 6, 2016: British Journal of Cancer
https://www.readbyqxmd.com/read/27756880/lyn-expression-predicts-the-response-to-dasatinib-in-a-subpopulation-of-lung-adenocarcinoma-patients
#15
Yu Jin Kim, Sungyoul Hong, Minjung Sung, Min Jeong Park, Kyungsoo Jung, Ka-Won Noh, Doo-Yi Oh, Mi-Sook Lee, Ensel Oh, Young Kee Shin, Yoon-La Choi
Therapies targeting SRC family kinases (SFKs) have shown efficacy in treating non-small cell lung cancer (NSCLC). However, recent clinical trials have found that the SFK inhibitor dasatinib is ineffective in some patient cohorts. Regardless, dasatinib treatment may benefit some NSCLC patient subgroups. Here, we investigated whether expression of LYN, a member of the SFK family, is associated with patient survival, the efficacy of dasatinib, and/or NSCLC cell viability. LYN expression was associated with poor overall survival in a multivariate analysis, and this association was strongest in non-smoker female patients with adenocarcinoma (ADC)...
December 13, 2016: Oncotarget
https://www.readbyqxmd.com/read/27711727/a-ligand-substituted-tungsten-iodide-cluster-luminescence-vs-singlet-oxygen-production
#16
Lara Riehl, Alexander Seyboldt, Markus Ströbele, David Enseling, Thomas Jüstel, Michael Westberg, Peter R Ogilby, H-Jürgen Meyer
Octahedral tungsten iodide clusters equipped with apical ligands (L) are synthesized to implement substantial photophysical properties. The [W6 I8 (CF3 COO)6 ]2- cluster reported herein is the first example of a family of ligand substituted [W6 I8 L6 ]2- clusters. Such compounds are expected to exhibit a rich photochemistry in which the apical ligands play a crucial role. The versatile solid state and solution phase photophysical properties of (TBA)2 [W6 I8 (CF3 COO)6 ] described herein parallel characteristics obtained in some photophysically active organic compounds, including a broad absorption in the UV/VIS region...
October 4, 2016: Dalton Transactions: An International Journal of Inorganic Chemistry
https://www.readbyqxmd.com/read/27615396/comprehensive-characterization-of-oncogenic-drivers-in-asian-lung-adenocarcinoma
#17
Shiyong Li, Yoon-La Choi, Zhuolin Gong, Xiao Liu, Maruja Lira, Zhengyan Kan, Ensel Oh, Jian Wang, Jason C Ting, Xiangsheng Ye, Christoph Reinhart, Xiaoqiao Liu, Yunfei Pei, Wei Zhou, Ronghua Chen, Shijun Fu, Gang Jin, Awei Jiang, Julio Fernandez, James Hardwick, Min Woong Kang, Hoseok I, Hancheng Zheng, Jhingook Kim, Mao Mao
INTRODUCTION: The incidence rate of lung adenocarcinoma (LUAD), the predominant histological subtype of lung cancer, is elevated in Asians, particularly in female nonsmokers. The mutation patterns in LUAD in Asians might be distinct from those in LUAD in whites. METHODS: We profiled 271 resected LUAD tumors (mainly stage I) to characterize the genomic landscape of LUAD in Asians with a focus on female nonsmokers. RESULTS: Mutations in EGFR, KRAS, erb-b2 receptor tyrosine kinase 2 gene (ERBB2), and BRAF; gene fusions involving anaplastic lymphoma receptor tyrosine kinase gene (ALK), ROS1, and ret proto-oncogene (RET); and Met Proto-Oncogene Tyrosine Kinase (MET) exon 14 skipping were the major drivers in LUAD in Asians, exhibiting mutually exclusive and differing prevalence from those reported in studies of LUAD in non-Asians...
December 2016: Journal of Thoracic Oncology
https://www.readbyqxmd.com/read/27521132/a-comparison-of-cellcollector-with-cellsearch-in-patients-with-neuroendocrine-tumours
#18
LETTER
D Mandair, C Vesely, L Ensell, H Lowe, V Spanswick, J A Hartley, M E Caplin, T Meyer
No abstract text is available yet for this article.
October 2016: Endocrine-related Cancer
https://www.readbyqxmd.com/read/27266718/efficiency-of-methylated-dna-immunoprecipitation-bisulphite-sequencing-for-whole-genome-dna-methylation-analysis
#19
COMPARATIVE STUDY
Hae Min Jeong, Sangseon Lee, Heejoon Chae, RyongNam Kim, Mi Jeong Kwon, Ensel Oh, Yoon-La Choi, Sun Kim, Young Kee Shin
AIMS: We compared four common methods for measuring DNA methylation levels and recommended the most efficient method in terms of cost and coverage. MATERIALS & METHODS: The DNA methylation status of liver and stomach tissues was profiled using four different methods, whole-genome bisulphite sequencing (WG-BS), targeted bisulphite sequencing (Targeted-BS), methylated DNA immunoprecipitation sequencing (MeDIP-seq) and methylated DNA immunoprecipitation bisulphite sequencing (MeDIP-BS)...
August 2016: Epigenomics
https://www.readbyqxmd.com/read/27263201/distal-stressors-and-depression-among-homeless-men
#20
Carol Coohey, Scott D Easton
Depression is a common problem among homeless men that may interfere with functional tasks, such as securing stable housing, obtaining employment, and accessing health services. Previous research on depression among homeless men has largely focused on current psychosocial resources, substance abuse, and past victimization. Guided by Ensel and Lin's life course stress process model, the authors examined whether distal stressors, including victimization and exposure to parent problems in childhood, contributed to men's depression above and beyond current (or proximal) stressors, such as substance abuse and health problems, and social resources...
May 2016: Health & Social Work
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