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https://www.readbyqxmd.com/read/28453617/clonal-variation-of-human-induced-pluripotent-stem-cells-for-induction-into-the-germ-cell-fate
#1
Shihori Yokobayashi, Keisuke Okita, Masato Nakagawa, Tomonori Nakamura, Yukihiro Yabuta, Takuya Yamamoto, Mitinori Saitou
The mechanisms for human germ cell development have remained largely unknown, due to the difficulty in obtaining suitable experimental materials. The establishment of an in vitro system to reconstitute human germ cell development will thus provide a critical opportunity to understand its mechanisms at a molecular level. It has previously been shown that human induced pluripotent stem cells (hiPSCs) [1] are first induced into incipient mesoderm-like cells (iMeLCs), which are in turn induced into primordial-germ cell like cells (PGCLCs) with gene expression properties similar to early migratory PGCs [2, 3]...
April 27, 2017: Biology of Reproduction
https://www.readbyqxmd.com/read/28445013/comparison-of-two-apheresis-systems-of-cobe-and-optia-for-autologous-peripheral-blood-stem-cell-collection
#2
Se Na Lee, Ji Yeon Sohn, Jung Hee Kong, Hyeon Seok Eom, Hyewon Lee, Sun Young Kong
Peripheral blood stem cell (PBSC) transplantation following myeloablative therapy is a mainstay of treatment for various types of malignancies. This study aimed to evaluate the differences between the Optia MNC and COBE Spectra MNC systems (Terumo BCT, Japan) according to apheresis procedures and the parameters of apheresis, products, and collection. The clinical data of 74 patients who underwent autologous PBSC collection from July 2012 to July 2015 were reviewed retrospectively. The patients comprised 48 (65%) men and 26 (35%) women with a median age of 56 yr (range, 23-66 yr)...
July 2017: Annals of Laboratory Medicine
https://www.readbyqxmd.com/read/28441892/changes-in-blood-and-urinary-cadmium-levels-and-bone-mineral-density-according-to-osteoporosis-medication-in-individuals-with-an-increased-cadmium-body-burden
#3
S-Y Eom, D-H Yim, S-M Hong, Y-D Kim, H Kim, B-S Choi, J-D Park, C-H Park, G-B Kim, S-D Yu
The aim of this study was to assess changes in bone mineral density (BMD) and cadmium (Cd) levels in blood and urine in individuals living in a Cd-contaminated area according to the type of osteoporosis medication over a three-year period. This follow-up study included 204 residents living in the vicinity of a closed copper refinery, who had been found to have elevated urinary or blood Cd levels. Cd levels in the blood and urine, as well as BMD, were measured every 6 months. After the first BMD measurement, individuals were prescribed antiresorptives such as alendronate or vitamin D and calcium, according to their BMD...
January 1, 2017: Human & Experimental Toxicology
https://www.readbyqxmd.com/read/28439570/epigenomics-of-human-cd8-t-cell-differentiation-and-aging
#4
David M Moskowitz, David W Zhang, Bin Hu, Sabine Le Saux, Rolando E Yanes, Zhongde Ye, Jason D Buenrostro, Cornelia M Weyand, William J Greenleaf, Jörg J Goronzy
The efficacy of the adaptive immune response declines dramatically with age, but the cell-intrinsic mechanisms driving immune aging in humans remain poorly understood. Immune aging is characterized by a loss of self-renewing naïve cells and the accumulation of differentiated but dysfunctional cells within the CD8 T cell compartment. Using ATAC-seq, we inferred the transcription factor binding activities correlated with naive and central and effector memory CD8 T cell states in young adults. Integrating our results with RNA-seq, we identified transcription networks associated with CD8 T cell differentiation, with prominent roles implicated for BATF, ETS1, Eomes, and Sp1...
February 2017: Science Immunology
https://www.readbyqxmd.com/read/28437527/ocular-motor-nerve-development-in-the-presence-and-absence-of-extraocular-muscle
#5
Suzanne M Michalak, Mary C Whitman, Jong G Park, Max A Tischfield, Elaine H Nguyen, Elizabeth C Engle
Purpose: To spatially and temporally define ocular motor nerve development in the presence and absence of extraocular muscles (EOMs). Methods: Myf5cre mice, which in the homozygous state lack EOMs, were crossed to an IslMN:GFP reporter line to fluorescently label motor neuron cell bodies and axons. Embryonic day (E) 11.5 to E15.5 wild-type and Myf5cre/cre:IslMN:GFP whole mount embryos and dissected orbits were imaged by confocal microscopy to visualize the developing oculomotor, trochlear, and abducens nerves in the presence and absence of EOMs...
April 1, 2017: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/28435350/effects-of-arbuscular-mycorrhizal-fungi-and-soil-conditions-on-crop-plant-growth
#6
Sang Joon Kim, Ju-Kyeong Eo, Eun-Hwa Lee, Hyeok Park, Ahn-Heum Eom
We investigated the effects on various crops of inoculation with species of arbuscular mycorrhizal fungi (AMF) in soils from different sources and selected AMF species suitable for domestic environment-friendly farming. Effects on plants varied with the AMF species used. In carrot, Scutellospora heterogama, Acaulospora longula, and Funneliformis mosseae had a positive effect on growth of the host, whereas AMF had only weak effects on the growth of red pepper and leek. AMF inoculation had positive effects on the growth of carrot and sorghum...
March 2017: Mycobiology
https://www.readbyqxmd.com/read/28433009/equation-of-motion-coupled-cluster-methods-for-atoms-and-molecules-in-strong-magnetic-fields
#7
Florian Hampe, Stella Stopkowicz
A program for the direct calculation of excitation energies of atoms and molecules in strong magnetic fields is presented. The implementation includes the equation-of-motion coupled-cluster singles-doubles (EOM-CCSD) method for electronically excited states as well as its spin-flip variant. Differences to regular EOM-CCSD implementations are due to the appearance of the canonical angular-momentum operator in the Hamiltonian causing the wave function to become complex. The gauge-origin problem is treated by the use of gauge-including atomic orbitals...
April 21, 2017: Journal of Chemical Physics
https://www.readbyqxmd.com/read/28421803/factores-de-riesgo-relacionados-con-los-h%C3%A3-bitos-de-vida-en-pacientes-con-patolog%C3%A3-a-osteomuscular
#8
María Teresa Nestares, Macarena Salinas, Carlos De Teresa, Javier Díaz-Castro, Jorge Moreno-Fernández, Magdalena López-Frías
Introducción: las enfermedades osteomusculares (EOM) engloban una serie de patologías discapacitantes con alta incidencia y prevalencia, representando un alto costo económico y social. Es fundamental su prevención, por lo que es de gran interés determinar factores de riesgo modificables, como son los relacionados con los hábitos de vida.Métodos: se realizó un estudio descriptivo y trasversal en 91 pacientes seleccionados mediante muestreo aleatorio sistemático y que fueron distribuidos en tres grupos experimentales según la causa y evolución de su EOM (cervicalgia, gonalgia y lumbalgia)...
March 30, 2017: Nutrición Hospitalaria: Organo Oficial de la Sociedad Española de Nutrición Parenteral y Enteral
https://www.readbyqxmd.com/read/28413323/preventive-effect-of-fermented-black-ginseng-against-cisplatin-induced-nephrotoxicity-in-rats
#9
Kiwon Jung, Jun Min An, Dae-Woon Eom, Ki Sung Kang, Su-Nam Kim
BACKGROUND: Fermented black ginseng (FBG) is processed ginseng by the repeated heat treatment and fermentation of raw ginseng. The protective effect and mechanism of FBG on cisplatin-induced nephrotoxicity was investigated to evaluate its therapeutic potential. METHODS: The free radical scavenging activity of FBG was measured using 1,1-diphenyl-2-picrylhydrazyl (DPPH). In addition, the protective effect against cisplatin-induced renal damage was tested in rats. FBG was orally administered every day at a dose of 150 mg/kg body weight for 10 d, and a single dose of cisplatin was administered intraperitoneally (7...
April 2017: Journal of Ginseng Research
https://www.readbyqxmd.com/read/28411589/excited-states-from-modified-coupled-cluster-methods-are-they-any-better-than-eom-ccsd
#10
Varun Rishi, Ajith Perera, Marcel Nooijen, Rodney J Bartlett
Simplifications or modifications of coupled cluster methods such as the CCSD (coupled cluster singles and doubles) model often perform better than the original method in providing the total energy, equilibrium geometries, and harmonic vibration frequencies for the ground state. Three such methods that have been recently proposed include 2CC, parameterized CCSD generalizations, and distinguishable cluster singles and doubles (DCSD) approach. In this paper, we lay the theoretical foundation needed to treat excited states via the equation of motion (EOM) approach using these ground state CC methods...
April 14, 2017: Journal of Chemical Physics
https://www.readbyqxmd.com/read/28409643/economical-doubly-electron-attached-equation-of-motion-coupled-cluster-methods-with-an-active-space-treatment-of-three-particle-one-hole-and-four-particle-two-hole-excitations
#11
Adeayo O Ajala, Jun Shen, Piotr Piecuch
The previously developed active-space doubly electron-attached (DEA) equation-of-motion (EOM) coupled-cluster (CC) method with up to four-particle-two-hole (4p-2h) excitations [Shen, J.; Piecuch, P. J. Chem. Phys. 2013, 138, 194102], which utilizes the idea of applying a linear electron-attaching operator to the CC ground state of an (N - 2)-electron closed-shell system to generate ground and excited states of the N-electron open-shell species of interest, has been extended to a considerably less expensive model, in which both 3p-1h and 4p-2h terms rather than 4p-2h contributions only are selected using active orbitals...
April 28, 2017: Journal of Physical Chemistry. A
https://www.readbyqxmd.com/read/28409282/motor-neuron-vulnerability-and-resistance-in-amyotrophic-lateral-sclerosis
#12
REVIEW
Jik Nijssen, Laura H Comley, Eva Hedlund
In the fatal disease-amyotrophic lateral sclerosis (ALS)-upper (corticospinal) motor neurons (MNs) and lower somatic MNs, which innervate voluntary muscles, degenerate. Importantly, certain lower MN subgroups are relatively resistant to degeneration, even though pathogenic proteins are typically ubiquitously expressed. Ocular MNs (OMNs), including the oculomotor, trochlear and abducens nuclei (CNIII, IV and VI), which regulate eye movement, persist throughout the disease. Consequently, eye-tracking devices are used to enable paralysed ALS patients (who can no longer speak) to communicate...
April 13, 2017: Acta Neuropathologica
https://www.readbyqxmd.com/read/28407708/application-of-lateral-approach-for-the-removal-of-migrated-interbody-cage-taphole-and-fixing-technique
#13
Jae Sung Eom, Ikchan Jeon, Sang Woo Kim
When a revision surgery related with removal of failed interbody cage is required, going through the previous passage can lead to a higher risk of neurological deficits or incidental dural injuries. Recently, the lateral approach has become a popular method instead of the conventional anterior or posterior approaches. The lateral approach is also useful method to remove failed interbody cage previously placed and re-do interbody fusion with lower risks compared to revision surgery via previous passage. However, there is still some difficulty in retrieving the interbody cage from the intervertebral space because of no spacious passage, subsidence, and uncontrolled movable cage...
March 2017: Korean Journal of Spine
https://www.readbyqxmd.com/read/28406177/high-q-photonic-resonators-and-electro-optic-coupling-using-silicon-on-lithium-niobate
#14
Jeremy D Witmer, Joseph A Valery, Patricio Arrangoiz-Arriola, Christopher J Sarabalis, Jeff T Hill, Amir H Safavi-Naeini
Future quantum networks, in which superconducting quantum processors are connected via optical links, will require microwave-to-optical photon converters that preserve entanglement. A doubly-resonant electro-optic modulator (EOM) is a promising platform to realize this conversion. Here, we present our progress towards building such a modulator by demonstrating the optically-resonant half of the device. We demonstrate high quality (Q) factor ring, disk and photonic crystal resonators using a hybrid silicon-on-lithium-niobate material system...
April 13, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28401988/a-rapid-nuclear-staining-test-using-cationic-dyes-contributes-to-efficient-str-analysis-of-telogen-hair-roots
#15
So-Yeon Lee, Eun-Ju Ha, Seung-Kyun Woo, So-Min Lee, Kyung-Hee Lim, Yong-Bin Eom
Telogen hairs presented in the crime scene are commonly encountered as trace evidence. However, short tandem repeat (STR) profiling of the hairs currently have low and limited use due to poor success rate. To increase the success rate of STR profiling of telogen hairs, we developed a rapid and cost-effective method to estimate the number of nuclei in the hair roots. Five cationic dyes, Methyl green (MG), Harris hematoxylin (HH), Methylene blue (MB), Toluidine blue (TB) and Safranin O (SO) were evaluated in this study...
April 12, 2017: Electrophoresis
https://www.readbyqxmd.com/read/28397836/efhd2-swiprosin-1-is-a-common-genetic-determinator-for-sensation-seeking-low-anxiety-and-alcohol-addiction
#16
D Mielenz, M Reichel, T Jia, E B Quinlan, T Stöckl, M Mettang, D Zilske, E Kirmizi-Alsan, P Schönberger, M Praetner, S E Huber, D Amato, M Schwarz, P Purohit, S Brachs, J Spranger, A Hess, C Büttner, A B Ekici, F Perez-Branguli, B Winner, V Rauschenberger, T Banaschewski, A L W Bokde, C Büchel, P J Conrod, S Desrivières, H Flor, V Frouin, J Gallinat, H Garavan, P Gowland, A Heinz, J-L Martinot, H Lemaitre, F Nees, T Paus, M N Smolka, A Schambony, T Bäuerle, V Eulenburg, C Alzheimer, A Lourdusamy, G Schumann, C P Müller
In many societies, the majority of adults regularly consume alcohol. However, only a small proportion develops alcohol addiction. Individuals at risk often show a high sensation-seeking/low-anxiety behavioural phenotype. Here we asked which role EF hand domain containing 2 (EFhd2; Swiprosin-1) plays in the control of alcohol addiction-associated behaviours. EFhd2 knockout (KO) mice drink more alcohol than controls and spontaneously escalate their consumption. This coincided with a sensation-seeking and low-anxiety phenotype...
April 11, 2017: Molecular Psychiatry
https://www.readbyqxmd.com/read/28396661/phenotype-of-nk-like-cd8-t-cells-with-innate-features-in-humans-and-their-relevance-in-cancer-diseases
#17
Alice Barbarin, Emilie Cayssials, Florence Jacomet, Nicolas Gonzalo Nunez, Sara Basbous, Lucie Lefèvre, Myriam Abdallah, Nathalie Piccirilli, Benjamin Morin, Vincent Lavoue, Véronique Catros, Eliane Piaggio, André Herbelin, Jean-Marc Gombert
Unconventional T cells are defined by their capacity to respond to signals other than the well-known complex of peptides and major histocompatibility complex proteins. Among the burgeoning family of unconventional T cells, innate-like CD8(+) T cells in the mouse were discovered in the early 2000s. This subset of CD8(+) T cells bears a memory phenotype without having encountered a foreign antigen and can respond to innate-like IL-12 + IL-18 stimulation. Although the concept of innate memory CD8(+) T cells is now well established in mice, whether an equivalent memory NK-like T-cell population exists in humans remains under debate...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28396518/rapamycin-efficiently-promotes-cardiac-differentiation-of-mouse-embryonic-stem-cells
#18
Qin Lu, Zhuqing Jia, Yang Wang, Weiping Wang, Zhe Yang, Tao Li, Yuyao Tian, Ping Chen, Kangtao Ma, Yinan Liu, Chunyan Zhou
To investigate the effects of the rapamycin on cardiac differentiation, murine ESCs was induced to cardiomyocytes by 10(-4) M ascorbic acid (AA), 20 nM rapamycin alone or 0.1‰ solvent dimethyl sulfoxide (DMSO). We found that rapamycin alone was insufficient to initiate cardiomyogenesis. Then the ESCs was treated with AA and rapamycin (20 nM) or AA and DMSO (0.1‰) as a control. Compared with control, mESCs treated with rapamycin (20 nM) and AA yielded a significantly higher percentage of cardiomyocytes, as confirmed by percentage of beating EBs, the immunofluorescence and FACS analysis...
April 10, 2017: Bioscience Reports
https://www.readbyqxmd.com/read/28386934/eomes-expression-reports-the-progressive-differentiation-of-ifn-%C3%AE-producing-th1-like-%C3%AE-%C3%AE-t%C3%A2-cells
#19
Ciro N R Lino, Joana Barros-Martins, Linda Oberdörfer, Thierry Walzer, Immo Prinz
The transcription factor Eomesodermin (Eomes) plays a crucial role in regulating cytotoxic function, development, and survival of immune cells. γδ T cells can express Eomes, but its contribution to their differentiation is unknown. Using Eomes-IRES-GFP mice, we show that Eomes(+) γδ T cells are unequally distributed among organs, with the highest proportion in spleen. While the majority of Eomes(+) γδ T cells expressed Vγ1(+) and Vγ4(+) TCRs, Eomes was absent in Vγ5(+) , Vγ6(+) , and Vγ7(+) subsets...
April 6, 2017: European Journal of Immunology
https://www.readbyqxmd.com/read/28382096/a-prognostic-model-for-patients-with-triple-negative-breast-cancer-importance-of-the-modified-nottingham-prognostic-index-and-age
#20
Jeanny Kwon, Keun-Yong Eom, Tae Ryool Koo, Byoung Hyuck Kim, Eunyoung Kang, Sung-Won Kim, Yu Jung Kim, So Yeon Park, In Ah Kim
PURPOSE: Considering the distinctive biology of triple-negative breast cancer (TNBC), this study aimed to identify TNBC-specific prognostic factors and determine the prognostic value of the Nottingham Prognostic Index (NPI) and its variant indices. METHODS: A total of 233 patients with newly diagnosed stage I to III TNBC from 2003 to 2012 were reviewed. We retrospectively analyzed the patients' demographics, clinicopathologic parameters, treatment, and survival outcomes...
March 2017: Journal of Breast Cancer
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