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https://www.readbyqxmd.com/read/28325017/diffuse-reflectance-spectroscopy-can-differentiate-high-grade-and-low-grade-prostatic-carcinoma
#1
Priya N Werahera, Edward A Jasion, E David Crawford, M Scott Lucia, Adrie van Bokhoven, Holly T Sullivan, Fernando J Kim, Paul D Maroni, J David Port, John W Daily, Francisco G La Rosa
Prostate tumors are graded by the revised Gleason Score (GS) which is the sum of the two predominant Gleason grades present ranging from 6-10. GS 6 cancer exclusively with Gleason grade 3 is designated as low grade (LG) and correlates with better clinical prognosis for patients. GS >7 cancer with at least one of the Gleason grades 4 and 5 is designated as HG indicate worse prognosis for patients. Current transrectal ultrasound guided prostate biopsies often fail to correctly diagnose HG prostate cancer due to sampling errors...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28325012/eeg-patterns-of-subacute-stroke-patients-performing-motor-tasks-correlate-with-motor-functional-outcome-preliminary-results
#2
Wanjoo Park, Yun-Hee Kim, Sung-Phil Kim, Laehyun Kim
If an early predictor of motor functional outcome after stroke were available, stroke patients would receive more appropriate treatments for motor recovery. We performed a correlation analysis of the electroencephalography (EEG) signal patterns of nine subacute stroke patients (recorded 22.9 ± 7.1 days after onset) and their motor recovery rates (measured 100.2 ± 8.9 days after onset). The beta band spectral power in the bilateral motor cortex after physical upper limb movement correlated significantly with the motor recovery rates [Fugl-Meyer assessment (FMA) scores; Pearson's linear correlation, p <; 0...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28324963/quantitative-assessment-of-arm-tremor-in-people-with-neurological-disorders
#3
Jeonghee Kim, Claire Parnell, Thomas Wichmann, Stephen P DeWeerth
Abnormal oscillatory movement (i.e. tremor) is usually evaluated with qualitative assessment by clinicians, and quantified with subjective scoring methods. These methods are often inaccurate. We utilized a quantitative and standardized task based on the Fitts' law to assess the performance of arm movement with tremor by controlling a gyration mouse on a computer. The experiment included the center-out tapping (COT) and rectangular track navigation (RTN) tasks. We report the results of a pilot study in which we collected the performance for healthy participants in whom tremor was simulated by imposing oscillatory movements to the arm with a vibration motor...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28324921/epidemiology-of-intracranial-metastases-in-korea-a-national-cohort-investigation
#4
Tackeun Kim, Changhoon Song, Jung Ho Han, In-Ah Kim, Yu Jung Kim, Se Hyun Kim, Jee Hyun Kim, Chae-Yong Kim
Purpose: To investigate the epidemiologic features of intracranial metastases (ICMET) in Korea, we performed a cohort study using the National Health Insurance Service-National Sample Cohort database, which comprised healthcare usage information of approximately 1 million Korean individuals over 12 years. Materials and Methods: We enrolled 998,602 subjects, after excluding 18,218 subjects diagnosed with any cancer during the washout period (2002-2004). The observation period was 9 years (2005-2013; 8,725,438 person-years)...
March 21, 2017: Cancer Research and Treatment: Official Journal of Korean Cancer Association
https://www.readbyqxmd.com/read/28324920/an-open-label-randomized-parallel-phase-ii-trial-to-evaluate-the-efficacy-and-safety-of-a-cremophor-free-polymeric-micelle-formulation-of-paclitaxel-as-first-line-treatment-for-ovarian-cancer-a-korean-gynecologic-oncology-group-study-kgog-3021
#5
Shin-Wha Lee, Yong-Man Kim, Chi Heum Cho, Young Tae Kim, Seok Mo Kim, Soo Young Hur, Jae-Hoon Kim, Byoung-Gie Kim, Seung-Cheol Kim, Hee-Sug Ryu, Soon Beom Kang
Purpose: Genexol-PM is a biodegradable cremophor EL-free polymeric micelle formulation of paclitaxel. Here we compared efficacy and safety of Genexol-PM plus carboplatin vs. Genexol plus carboplatin for ovarian cancer treatment. Materials and Methods: In this multicenter, randomized, phase II study, patients with FIGO IC-IV epithelial ovarian cancer were randomly assigned (1:1) to receive Genexol-PM 260 mg/m2 or Genexol 175 mg/m2 with 5 AUC carboplatin every three weeks (6 cycles)...
March 21, 2017: Cancer Research and Treatment: Official Journal of Korean Cancer Association
https://www.readbyqxmd.com/read/28324889/evaluation-of-clinicopathological-factors-in-pd-1-response-derivation-and-validation-of-a-prediction-scale-for-response-to-pd-1-monotherapy
#6
Adi Nosrati, Katy K Tsai, Simone M Goldinger, Paul Tumeh, Barbara Grimes, Kimberly Loo, Alain P Algazi, Thi Dan Linh Nguyen-Kim, Mitchell Levesque, Reinhard Dummer, Omid Hamid, Adil Daud
BACKGROUND: Anti-PD-1 therapy has shown significant clinical activity in advanced melanoma. We developed and validated a clinical prediction scale for response to anti- PD-1 monotherapy. METHODS: A total of 315 patients with advanced melanoma treated with pembrolizumab (2 or 10 mg kg(-1) Q2W or Q3W) or nivolumab (3 mg kg(-1) Q2W) at four cancer centres between 2011 to 2013 served as the setting for the present cohort study. Variables with significant association to response on a univariate analysis were entered into a forward stepwise logistic regression model and were given a score based on ORs to calculate a clinical prediction scale...
March 21, 2017: British Journal of Cancer
https://www.readbyqxmd.com/read/28324747/optimal-dose-reduction-of-folfirinox-for-preserving-tumour-response-in-advanced-pancreatic-cancer-using-cumulative-relative-dose-intensity
#7
Jong-Chan Lee, Jin Won Kim, Soyeon Ahn, Hyoung Woo Kim, Jongchan Lee, Young Hoon Kim, Kyu-Hyun Paik, Jaihwan Kim, Jin-Hyeok Hwang
BACKGROUND: FOLFIRINOX has increased efficacy but also toxicity. Despite various modified FOLFIRINOX regimens, how much reduction is acceptable remains unclear. This study aimed to find the optimal relative dose intensity (RDI, %) of FOLFIRINOX that preserves tumour responses in patients with advanced pancreatic cancer (PC). METHODS: We reviewed 201 patients with PC treated with first-line FOLFIRINOX during 2012-2015. We established a modified Hryniuk model (http://www...
March 16, 2017: European Journal of Cancer
https://www.readbyqxmd.com/read/28324716/postnatal-mri-for-cdh-a-pictorial-review-of-late-presenting-and-recurrent-diaphragmatic-defects
#8
REVIEW
Wendy Kim, Jesse Courtier, Cara Morin, Narendra Shet, Eric Strauch, Jane S Kim
Late-presenting or recurrent diaphragmatic defects can pose a diagnostic challenge due to varying clinical presentations. Current diagnostic approaches include plain film radiograph for initial assessment, with other imaging modalities such as fluoroscopy, ultrasound, CT and MRI mainly utilized for troubleshooting. As a radiation-free modality, MRI can provide a more definitive diagnosis in particular cases due to its ability to visualize discontinuity of the diaphragm, distinguishing it from eventration. MRI can also accurately characterize hernia contents, defect location and size...
March 8, 2017: Clinical Imaging
https://www.readbyqxmd.com/read/28324715/assessment-of-clinical-and-radiologic-differences-between-small-and-large-adrenal-pheochromocytomas
#9
Dong Won Kim, Seong Kuk Yoon, Sang Hyeon Kim, Eun Ju Kang, Hee Jin Kwon
OBJECTIVE: To evaluate differences in clinical and radiologic features of small and large pheochromocytomas. MATERIALS AND METHODS: This study included 39 patients with adrenal pheochromocytomas. Several clinical and radiologic features were statistically analyzed and compared between small and large pheochromocytomas. RESULTS: No significant differences were found in clinical features between them. Small pheochromocytomas had more relatively homogeneous attenuation although large pheochromocytomas had more cystic or necrotic changes...
March 10, 2017: Clinical Imaging
https://www.readbyqxmd.com/read/28324691/comparison-of-three-different-types-of-cilostazol-loaded-solid-dispersion-physicochemical-characterization-and-pharmacokinetics-in-rats
#10
Omer Mustapha, Kyung Soo Kim, Shumaila Shafique, Dong Shik Kim, Sung Giu Jin, Youn Gee Seo, Yu Seok Youn, Kyung Taek Oh, Chul Soon Yong, Jong Oh Kim, Han-Gon Choi
The aim of this research was to compare three different types of cilostazol-loaded solid dispersion system including solvent-evaporated, solvent-wetted and surface-attached solid dispersion. The effect of polymers and surfactants on the aqueous solubility of cilostazol was investigated, leading to the selection of polyvinylpyrrolidone (PVP) and sodium lauryl sulphate (SLS). Employing a spray-drying technique, numerous surface-attached, solvent-evaporated and solvent-wetted solid dispersions were prepared with various amounts PVP and SLS using water, 90% ethanol and acetone, respectively...
March 9, 2017: Colloids and Surfaces. B, Biointerfaces
https://www.readbyqxmd.com/read/28324659/optimization-of-cell-based-cdna-microarray-conditions-for-gene-functional-studies-in-hek293-cells
#11
Hi Chul Kim, Jin Yeong Heo, Tae-Kyu Lee, Ssang-Goo Cho, Yong-Jun Kwon
Since the cell-based cDNA microarray (CBCM) technique has been a useful tool for gain-of-function studies, many investigators have used CBCMs to identify interesting genes. However, this method requires better-established conditions to ensure high reverse transfection efficiency without cross-contamination. Therefore, we optimized CBCM techniques through various means. We determined that Lipofectamine 2000 was the most appropriate transfection reagent by evaluating eight commercialized reagents, and we determined that the most effective concentrations for printing solution constituents were 0...
March 1, 2017: SLAS Discov
https://www.readbyqxmd.com/read/28324646/from-snapshots-to-movies-understanding-early-tooth-development-in-four-dimensions
#12
Rebecca Kim, Jeremy B A Green, Ophir D Klein
The developing tooth offers a model for the study of ectodermal appendage organogenesis. The signaling networks that regulate tooth development have been intensively investigated, but how cell biological responses to signaling pathways regulate dental morphogenesis remains an open question. The increasing use of ex vivo imaging techniques has enabled live tracking of cell behaviors over time in high resolution. While recent studies using these techniques have improved our understanding of tooth morphogenesis, important gaps remain that require additional investigation...
March 21, 2017: Developmental Dynamics: An Official Publication of the American Association of Anatomists
https://www.readbyqxmd.com/read/28324641/preparation-of-a-non-woven-poly-%C3%AE%C2%B5-caprolactone-fabric-with-partially-embedded-apatite-surface-for-bone-tissue-engineering-applications-by-partial-surface-melting-of-poly-%C3%AE%C2%B5-caprolactone-fibers
#13
In Ae Kim, Sang-Hoon Rhee
This paper describes a novel method for the preparation of a biodegradable non-woven poly(ε-caprolactone) fabric with a partially-embedded apatite surface designed for application as a scaffold material for bone tissue engineering. The non-woven poly(ε-caprolactone) fabric was generated by the electro-spinning technique and then apatite was coated in simulated body fluid after coating the PVA solution containing CaCl2 ·2H2 O. The apatite crystals were partially- or fully-embedded into the thermoplastic poly(ε-caprolactone) fibers by controlling the degree of poly(ε-caprolactone) fiber surface melting in a convection oven...
March 21, 2017: Journal of Biomedical Materials Research. Part A
https://www.readbyqxmd.com/read/28324507/using-protein-fragment-complementation-assays-pca-and-peptide-arrays-to-study-telomeric-protein-protein-interactions
#14
Wenbin Ma, Ok-Hee Lee, Hyeung Kim, Zhou Songyang
Studying protein-protein interactions is critical to our understanding of signaling pathways. Telomere Interactome is assembled around telomeres and consists of proteins and factors from diverse pathways. Dissecting how this protein network contributes to telomere protection and length regulation requires the elucidation of the complex and dynamic interactions between the proteins within the interactome. Here, we focus on three assays, Bi-molecular Fluorescence Complementation (BiFC), Gaussia Luciferase Protein-fragment Complementation Assay (GLuc PCA), and OPAL peptide array, which have proven vital in our studies of telomere protein interaction networks...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28324494/analysis-of-average-telomere-length-in-human-telomeric-protein-knockout-cells-generated-by-crispr-cas9
#15
Jun Xu, Zhou Songyang, Dan Liu, Hyeung Kim
Telomeres play an important role in ensuring the integrity of the genome. Telomere shortening can lead to loss of genetic information and trigger DNA damage responses. Cultured mammalian cells have served as critical model systems for studying the function of telomere binding proteins and telomerase. Tremendous heterogeneity can be observed both between species and within a single cell population. Recent advances in genome editing (such as the development of the CRISPR/Cas9 platform) have further enabled researchers to carry out loss-of-function analysis of how disrupting key players in telomere maintenance affects telomere length regulation...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28324324/prognostic-factors-of-sorafenib-therapy-in-hepatocellular-carcinoma-patients-with-failure-of-transarterial-chemoembolization
#16
Sangheun Lee, Jung Hyun Kang, Do Young Kim, Sang Hoon Ahn, Jun Yong Park, Beom Kyung Kim, Seung Up Kim, Kwang-Hyub Han
BACKGROUND: There is no approved therapy for patients with failed transarterial chemoembolization (TACE) and progression of hepatocellular carcinoma. We aimed to investigate the efficacy and prognostic factors in patients with TACE failure who received sorafenib rescue therapy. METHODS: We investigated 54 patients who met the criteria of TACE failure as defined by the international guidelines of Europe and Japan. Sorafenib was used as a rescue therapy. Overall survival (OS) and progression-free survival (PFS) were analyzed by Kaplan-Meier methods, and multivariate analysis was performed to find prognostic factors...
March 21, 2017: Hepatology International
https://www.readbyqxmd.com/read/28324267/chemotherapy-induced-irreversible-alopecia-in-early-breast-cancer-patients
#17
Gun Min Kim, Sanghwa Kim, Hyung Seok Park, Jee Ye Kim, Sanggen Nam, Seho Park, Seung Il Kim, DoYoung Kim, Joohyuk Sohn
PURPOSE: The purpose of this work is to determine the prevalence of chemotherapy-induced irreversible alopecia (CIIA), which is defined as an alopecia that exists at least 6 months after completion of chemotherapy and factors affecting CIIA in early breast cancer patients. METHODS: We performed a cross-sectional study. We retrospectively identified breast cancer patients who had received AC (Adriamycin, Cyclophosphamide) or AC-T (AC followed by Taxane) as neoadjuvant or adjuvant chemotherapy...
March 21, 2017: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/28324264/reverse-locked-in-syndrome
#18
Pooja Raibagkar, Ram V Chavali, Tamara B Kaplan, Jennifer A Kim, Meaghan V Nitka, Sherry H-Y Chou, Brian L Edlow
BACKGROUND: Basilar artery occlusion can cause locked-in syndrome, which is characterized by quadriplegia, anarthria, and limited communication via eye movements. Here, we describe an uncommon stroke syndrome associated with endovascular recanalization of the top of the basilar artery: "reverse locked-in syndrome." METHODS: We report the case of a patient with atypical neurological deficits caused by acute ischemic stroke of the midbrain tegmentum. We perform neuroanatomic localization of the patient's infarcts by mapping the magnetic resonance imaging (MRI) data onto a brainstem atlas...
March 21, 2017: Neurocritical Care
https://www.readbyqxmd.com/read/28324220/understanding-when-a-partner-is-not-in-the-mood-sexual-communal-strength-in-couples-transitioning-to-parenthood
#19
Amy Muise, James J Kim, Emily A Impett, Natalie O Rosen
Situations in which one partner is interested in having sex but the other partner is not "in the mood" are common in relationships. We extend previous work on sexual communal strength-the motivation to be responsive to a partner's sexual needs-to demonstrate that in addition to the motivation to meet a partner's need to have sex, the motivation to be understanding about a partner's need not to engage in sex is uniquely associated with sexual and relationship satisfaction. In Study 1, we adapted a measure of sexual communal strength for having sex (SCSS) to create a new measure of sexual communal strength for not having sex (SCSN)...
March 21, 2017: Archives of Sexual Behavior
https://www.readbyqxmd.com/read/28324178/complete-genome-sequence-analysis-of-a-novel-staphylococcus-phage-stap1-and-proposal-of-a-new-species-in-the-genus-silviavirus
#20
Amal Senevirathne, Kuntal Ghosh, Eunjung Roh, Kwang-Pyo Kim
Bacteriophage StAP1 was isolated from a soil sample infecting Staphylococcus aureus and S. xylosus. Its genome was found to be 135,502 base pairs (bp) long with 30.00 mol% G+C content and 192 open reading frames. While no tRNA encoding genes were identified, 7 mobile elements were found to interrupt five StAP1 open reading frames. Comparative genomic and proteomic analysis consistently supports the establishment of a new species in the genus Silviavirus.
March 21, 2017: Archives of Virology
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