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https://www.readbyqxmd.com/read/27915479/trends-in-next-generation-sequencing-and-a-new-era-for-whole-genome-sequencing
#1
REVIEW
Sang Tae Park, Jayoung Kim
This article is a mini-review that provides a general overview for next-generation sequencing (NGS) and introduces one of the most popular NGS applications, whole genome sequencing (WGS), developed from the expansion of human genomics. NGS technology has brought massively high throughput sequencing data to bear on research questions, enabling a new era of genomic research. Development of bioinformatic software for NGS has provided more opportunities for researchers to use various applications in genomic fields...
November 2016: International Neurourology Journal
https://www.readbyqxmd.com/read/27915377/crystal-structure-and-characterization-of-esterase-est25-mutants-reveal-improved-enantioselectivity-toward-s-ketoprofen-ethyl-ester
#2
Jinyeong Kim, Seung-Hyeon Seok, Eunsoo Hong, Tae Hyeon Yoo, Min-Duk Seo, Yeonwoo Ryu
Esterases comprise a group of enzymes that catalyze the cleavage and synthesis of ester bonds. They are important in biotechnological applications owing to their enantioselectivity, regioselectivity, broad substrate specificity, and the fact that they do not require cofactors. In a previous study, we isolated the esterase Est25 from a metagenomic library. Est25 showed catalytic activity toward the (R,S)-ketoprofen ethyl ester but had low enantioselectivity toward the (S)-ketoprofen ethyl ester. Because (S)-ketoprofen has stronger anti-inflammatory effects and fewer side effects than (R)-ketoprofen, enantioselectivity of this esterase is important...
December 3, 2016: Applied Microbiology and Biotechnology
https://www.readbyqxmd.com/read/27911876/neutrophil-to-lymphocyte-ratio-platelet-to-lymphocyte-ratio-and-their-dynamic-changes-during-chemotherapy-is-useful-to-predict-a-more-accurate-prognosis-of-advanced-biliary-tract-cancer
#3
Kyoung-Min Cho, Hyunkyung Park, Do-Youn Oh, Tae-Yong Kim, Kyung-Hun Lee, Sae-Won Han, Seock-Ah Im, Tae-You Kim, Yung-Jue Bang
BACKGROUND AND PURPOSE: Systemic inflammation is known to promote carcinogenesis in biliary tract cancer (BTC). Neutrophil-to-lymphocyte ratio (NLR) and platelet-to-lymphocyte ratio (PLR) are indicative of systemic inflammation. We evaluated the clinical significance of systemic inflammation measured by NLR and PLR in patients with advanced BTC. Additionally, we also co-analyzed the dynamics of NLR and PLR during chemotherapy. METHODS: We reviewed 450 patients with unresectable BTC receiving palliative chemotherapy...
November 30, 2016: Oncotarget
https://www.readbyqxmd.com/read/27911378/iridium-oxide-reduced-graphene-oxide-nanohybrid-thin-film-modified-screen-printed-electrodes-as-disposable-electrochemical-paper-microfluidic-ph-sensors
#4
Jiang Yang, Tae-Joon Kwak, Xiaodong Zhang, Robert McClain, Woo-Jin Chang, Sundaram Gunasekaran
A facile, controllable, inexpensive and green electrochemical synthesis of IrO2-graphene nanohybrid thin films is developed to fabricate an easy-to-use integrated paper microfluidic electrochemical pH sensor for resource-limited settings. Taking advantages from both pH meters and strips, the pH sensing platform is composed of hydrophobic barrier-patterned paper micropad (µPAD) using polydimethylsiloxane (PDMS), screen-printed electrode (SPE) modified with IrO2-graphene films and molded acrylonitrile butadiene styrene (ABS) plastic holder...
November 22, 2016: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/27910914/in-vivo-stepwise-immunomodulation-using-chitosan-nanoparticles-as-a-platform-nanotechnology-for-cancer-immunotherapy
#5
Hee Dong Han, Yeongseon Byeon, Jong-Hwa Jang, Hat Nim Jeon, Ga Hee Kim, Min Gi Kim, Chan-Gi Pack, Tae Heung Kang, In Duk Jung, Yong Taik Lim, Young Joo Lee, Jeong-Won Lee, Byung Cheol Shin, Hyung Jun Ahn, Anil K Sood, Yeong-Min Park
Dentritic cell (DC)-based cancer immunotherapy faces challenges in both efficacy and practicality. However, DC-based vaccination requires multiple injections and elaborates ex vivo manipulation, which substantially limits their use. Therefore, we sought to develop a chitosan nanoparticle (CH-NP)-based platform for the next generation of vaccines to bypass the ex vivo manipulation and induce immune responses via active delivery of polyinosinic-polycytidylic acid sodium salt (poly I:C) to target Toll-like receptor 3 (TLR3) in endosomes...
December 2, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27910669/end-loss-analyzer-system-for-measurements-of-plasma-flux-at-the-c-2u-divertor-electrode
#6
M E Griswold, S Korepanov, M C Thompson
An end loss analyzer system consisting of electrostatic, gridded retarding-potential analyzers and pyroelectric crystal bolometers was developed to characterize the plasma loss along open field lines to the divertors of C-2U. The system measures the current and energy distribution of escaping ions as well as the total power flux to enable calculation of the energy lost per escaping electron/ion pair. Special care was taken in the construction of the analyzer elements so that they can be directly mounted to the divertor electrode...
November 2016: Review of Scientific Instruments
https://www.readbyqxmd.com/read/27910184/clinical-significance-of-pre-transplant-circulating-cd3-cd4-cd161-cell-frequency-on-the-occurrence-of-neutropenic-infections-after-allogeneic-stem-cell-transplantation
#7
Tae Woo Kim, Sung-Eun Lee, Ji-Young Lim, Da-Bin Ryu, Young-Woo Jeon, Jae-Ho Yoon, Byung-Sik Cho, Ki-Seong Eom, Yoo-Jin Kim, Hee-Je Kim, Seok Lee, Seok-Goo Cho, Dong-Wook Kim, Jong Wook Lee, Woo-Sung Min, Chang-Ki Min
BACKGROUND: Few studies have been performed to identify factors that are associated with an increased risk of infections during the neutropenic period in patients undergoing allogeneic stem cell transplantation (allo-SCT). The aim of this study was to identify the host immune cells responsible for infections before engraftment. METHODS: A total of 282 patients who underwent allo-SCT were enrolled. Peripheral blood samples were collected before conditioning therapy...
December 2, 2016: Transplant Infectious Disease: An Official Journal of the Transplantation Society
https://www.readbyqxmd.com/read/27910126/gradient-echo-epi-using-a-high-degree-shim-insert-coil-at-7%C3%A2-t-implications-for-bold-fmri
#8
Tae Kim, Yoojin Lee, Tiejun Zhao, Hoby P Hetherington, Jullie W Pan
PURPOSE: To quantitatively assess the effects of high degree and order (1(st) -4(th+) ) relative to 1(st) -2(nd) degree B0 shimming at 7 Tesla (T) on gradient-echo echo planar imaging (GE-EPI) and blood-oxygen-level dependent (BOLD) activation. METHODS: Simulations and GE-EPI were performed at (2mm)(3) and (3mm)(3) resolution, evaluating the temporal signal-to-noise ratio (tSNR), transverse relaxivity ( R2*), BOLD % signal change and activated pixel counts in a breath-hold task...
December 1, 2016: Magnetic Resonance in Medicine: Official Journal of the Society of Magnetic Resonance in Medicine
https://www.readbyqxmd.com/read/27910070/mig-6-mouse-model-of-endometrial-cancer
#9
Tae Hoon Kim, Jung-Yoon Yoo, Jae-Wook Jeong
Endometrial cancer is a frequently occurring gynecological disorder. Estrogen-dependent endometrioid carcinoma is the most common type of gynecological cancer. One of the major pathologic phenomena of endometrial cancer is the loss of estrogen (E2) and progesterone (P4) control over uterine epithelial cell proliferation. P4 antagonizes the growth-promoting properties of E2 in the uterus. P4 prevents the development of endometrial cancer associated with unopposed E2 by blocking E2 actions. Mitogen inducible gene 6 (Mig-6, Errfi1, RALT, or gene 33) is an immediate early response gene that can be induced by various mitogens and common chronic stress stimuli...
2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/27910027/recurrent-cytogenetic-abnormalities-in-acute-myeloid-leukemia
#10
John J Yang, Tae Sung Park, Thomas S K Wan
The spectrum of chromosomal abnormality associated with leukemogenesis of acute myeloid leukemia (AML) is broad and heterogeneous when compared to chronic myeloid leukemia and other myeloid neoplasms. Recurrent chromosomal translocations such as t(8;21), t(15;17), and inv(16) are frequently detected, but hundreds of other uncommon chromosomal aberrations from AML also exist. This chapter discusses 22 chromosomal abnormalities that are common structural, numerical aberrations, and other important but infrequent (less than 1 %) translocations emphasized in the WHO classification...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/27909141/developing-a-risk-scoring-model-for-ankylosing-spondylitis-based-on-a-combination-of-hla-b27-single-nucleotide-polymorphism-and-copy-number-variant-markers
#11
Seung-Hyun Jung, Sung-Min Cho, Seon-Hee Yim, So-Hee Kim, Hyeon-Chun Park, Mi-La Cho, Seung-Cheol Shim, Tae-Hwan Kim, Sung-Hwan Park, Yeun-Jun Chung
OBJECTIVE: To develop a genotype-based ankylosing spondylitis (AS) risk prediction model that is more sensitive and specific than HLA-B27 typing. METHODS: To develop the AS genetic risk scoring (AS-GRS) model, 648 individuals (285 cases and 363 controls) were examined for 5 copy number variants (CNV), 7 single-nucleotide polymorphisms (SNP), and an HLA-B27 marker by TaqMan assays. The AS-GRS model was developed using logistic regression and validated with a larger independent set (576 cases and 680 controls)...
December 2016: Journal of Rheumatology
https://www.readbyqxmd.com/read/27907150/molecular-characterization-of-two-monoclonal-antibodies-against-the-same-epitope-on-b-cell-receptor-associated-protein-31
#12
Won-Tae Kim, Saemina Shin, Hyo Jeong Hwang, Min Kyu Kim, Han-Sung Jung, Hwangseo Park, Chun Jeih Ryu
Previously, we showed that B-cell receptor associated protein 31 (BAP31), an endoplasmic reticulum (ER) membrane chaperone, is also expressed on the cell surface by two monoclonal antibodies (MAbs) 297-D4 and 144-A8. Both MAbs recognize the same linear epitope on the C-terminal domain of BAP31, although they were independently established. Here, flow cytometric analysis showed that 144-A8 had additional binding properties to some cells, as compared to 297-D4. Quantitative antigen binding assays also showed that 144-A8 had higher antigen binding capacity than 297-D4...
2016: PloS One
https://www.readbyqxmd.com/read/27906677/the-implication-of-flt3-amplification-for-flt-targeted-therapeutics-in-solid-tumors
#13
Sung Hee Lim, Sun-Young Kim, Kyung Kim, Hyojin Jang, Soomin Ahn, Kyoung-Mee Kim, Nayoung K D Kim, Woongyang Park, Su Jin Lee, Seung Tae Kim, Se Hoon Park, Joon Oh Park, Young Suk Park, Se-Hoon Lee, Ho Yeong Lim, Keunchil Park, Won Ki Kang, Jeeyun Lee
We investigated the patients with solid cancers harboring Fms-like tyrosine kinase 3 (FLT3) amplification using targeted sequencing of tumor tissue specimen and FISH assay. Simultaneously, FLT3-amplified patient-derived cells (PDCs) were generated to evaluate the sensitivity to FLT3 inhibition. A patient with metastatic colon cancer who was previously treated with more than 3rd line cytotoxic chemotherapy was found to have FLT3 amplification and then received regorafenib showing partial response. In two PDC cell lines with FLT3 amplification, FLT3 mRNA expression was increased, however, the growth of tumor cells was not significantly inhibited by either regorafenib or sorafenib which is known to block the activity FLT3...
November 29, 2016: Oncotarget
https://www.readbyqxmd.com/read/27906676/role-of-systematic-lymphadenectomy-as-part-of-primary-debulking-surgery-for-optimally-cytoreduced-advanced-ovarian-cancer-reappraisal-in-the-era-of-radical-surgery
#14
Kyung Jin Eoh, Jung-Yun Lee, Jung Won Yoon, Eun Ji Nam, Sunghoon Kim, Sang-Wun Kim, Young Tae Kim
The prognostic significance of pelvic and para-aortic lymphadenectomy during primary debulking surgery for advanced-stage ovarian cancer remains unclear. This study aimed to evaluate the survival impact of lymph node dissection (LND) in patients treated with optimal cytoreduction for advanced ovarian cancer. Data from 158 consecutive patients with stage IIIC-IV disease who underwent optimal cytoreduction (<1 cm) were obtained via retrospective chart review. Patients were classified into two groups: (1) lymph node sampling (LNS), node count <20; and (2) LND, node count ≥20...
November 29, 2016: Oncotarget
https://www.readbyqxmd.com/read/27906406/crystallization-assisted-nano-lens-array-fabrication-for-highly-efficient-and-color-stable-organic-light-emitting-diodes
#15
Young-Sam Park, Kyung-Hoon Han, Jehan Kim, Doo-Hee Cho, Jonghee Lee, Yoonjay Han, Jong Tae Lim, Nam Sung Cho, Byounggon Yu, Jeong-Ik Lee, Jang-Joo Kim
To date, all deposition equipment has been developed to produce planar films. Thus lens arrays with a lens diameter of <1 mm have been manufactured by combining deposition with other technologies, such as masks, surface treatment, molding etc. Furthermore, a nano-lens array (NLA) with a sufficiently small lens diameter (<1 μm) is necessary to avoid image quality degradation in high resolution displays. In this study, an organic NLA made using a conventional deposition technique - without combining with other techniques - is reported...
December 1, 2016: Nanoscale
https://www.readbyqxmd.com/read/27906328/interdigitated-pixel-electrodes-with-alternating-tilts-for-fast-fringe-field-switching-of-liquid-crystals
#16
Tae-Hoon Choi, Jae-Hyeon Woo, Yeongyu Choi, Tae-Hoon Yoon
We propose an interdigitated pixel electrode structure with alternating tilts for fast fringe-field switching of liquid crystals (LCs). In contrast to an LC cell, where the pixel electrodes are parallel to the LC alignment direction, this device does not require a non-zero pretilt angle, owing to an obliquely applied electric field; thus, it can retain a much wider viewing angle by aligning the LCs without a pretilt. In addition to a short response time and wide viewing angle, the proposed device allows a much larger deviation of the LC alignment direction, which is essential for mass production...
November 28, 2016: Optics Express
https://www.readbyqxmd.com/read/27905954/measuring-and-tracking-obesity-inequality-in-the-united-states-evidence-from-nhanes-1971-2014
#17
Tae-Young Pak, Susana Ferreira, Gregory Colson
BACKGROUND: Because people care about their weight relative to peers and society, obesity inequality plays a role in explaining obesity incidence and the impacts of being obese on subjective well-being. While the increase in obesity prevalence and mean body mass index (BMI) is well documented, the measurement of distributional changes and corresponding obesity inequality is yet to be fully explored. METHODS: The present study analyzed BMI data for adults aged 20 to 74 from the National Health and Nutritional Examination Survey (NHANES) I (1971-1974), II (1976-1980), III (1988-1994), and continuous NHANES (1999-2014)...
April 4, 2016: Population Health Metrics
https://www.readbyqxmd.com/read/27904911/effect-of-bihemispheric-anodal-transcranial-direct-current-stimulation-for-dysphagia-in-chronic-stroke-patients-a-randomized-clinical-trial
#18
Young Hyun Ahn, Hyun-Joo Sohn, Jin-Sung Park, Tae Gyu Ahn, Yong Beom Shin, Minsu Park, Sung-Hwa Ko, Yong-Il Shin
OBJECTIVE: To investigate whether bihemispheric anodal transcranial direct current stimulation (tDCS) with conventional dysphagia therapy could improve swallowing function in chronic stroke patients with dysphagia. DESIGN: Randomized controlled trial. SUBJECTS: Twenty-six patients with dysphagia for at least 6 months post-stroke were randomly assigned into: (i) bihemispheric anodal tDCS group; or (ii) sham group. METHODS: All patients underwent 10 tDCS sessions with simultaneous conventional swallowing therapy for 2 weeks...
November 30, 2016: Journal of Rehabilitation Medicine
https://www.readbyqxmd.com/read/27904856/primary-hepatic-malignant-peripheral-nerve-sheath-tumor-successfully-treated-with-combination-therapy-a-case-report-and-literature-review
#19
Hae Il Jung, Hyoung Uk Lee, Tae Sung Ahn, Jong Eun Lee, Hyun Yong Lee, Hyon Doek Cho, Sang Cheol Lee, Sang Ho Bae
Primary malignant peripheral nerve sheath tumor (MPNST) in a young female patient, not associated with neurofibromatosis type-I is extremely rare in the liver. A 33-year-old female was admitted with a right flank pain for a weak. The CT scan showed 12.5-cm-sized mass located at the right hepatic lobe. At laparotomy, about 20.0-cm-sized mass was on the right hepatic lobe with attachment to right diaphragmatic pleura. Right hepatic lobe and adherent part of diaphragmatic pleura were resected. On histology and immunohistochemistry, it was diagnosed MPNST...
December 2016: Annals of Surgical Treatment and Research
https://www.readbyqxmd.com/read/27904852/analysis-of-in-hospital-mortality-and-long-term-survival-excluding-in-hospital-mortality-after-open-surgical-repair-of-ruptured-abdominal-aortic-aneurysm
#20
Jun Gyo Gwon, Tae-Won Kwon, Yong-Pil Cho, Young Jin Han, Min Su Noh
PURPOSE: The aim of this study was to confirm the factors that affect the mortality associated with the open surgical repair of ruptured abdominal aortic aneurysm (rAAA) and to analyze the long-term survival rates. METHODS: A retrospective review was performed on a prospectively collected database that included 455 consecutive patients who underwent open surgical repair for AAA between January 2001 and December 2012. We divided our analysis into in-hospital and postdischarge periods and analyzed the risk factors that affected the long-term survival of rAAA patients...
December 2016: Annals of Surgical Treatment and Research
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