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https://www.readbyqxmd.com/read/29775735/robotic-versus-conventional-laparoscopic-gastrectomy-for-gastric-cancer-a-retrospective-cohort-study
#1
Hong-Bin Liu, Wen-Jie Wang, Hong-Tao Li, Xiao-Peng Han, Lin Su, Deng-Wen Wei, Ting-Bao Cao, Jian-Ping Yu, Zuo-Yi Jiao
BACKGROUND: Robot-assisted gastrectomy (RAG), as an alternative minimally invasive surgical technique, is gradually being used for the treatment of gastric cancer (GC). This study aimed to assess the feasibility and safety of RAG over conventional Laparoscopy-assisted gastrectomy (LAG) for the treatment of GC. METHODS: We retrospectively analyzed all procedures (RAG and LAG) performed by one surgeon between 31 January 2017 and 1 December 2017. The short-term of surgical outcomes were compared between two groups and further subgroup analyses were performed...
May 15, 2018: International Journal of Surgery
https://www.readbyqxmd.com/read/29771858/erratum-to-what-influence-does-progression-of-a-nonhealing-rotator-cuff-tear-have-on-shoulder-pain-and-function
#2
Yoon Sang Jeon, Rag Gyu Kim, Sang-Jin Shin
No abstract text is available yet for this article.
June 2018: Clinical Orthopaedics and related Research
https://www.readbyqxmd.com/read/29769719/klhl22-activates-amino-acid-dependent-mtorc1-signalling-to-promote-tumorigenesis-and-ageing
#3
Jie Chen, Yuhui Ou, Yanyan Yang, Wen Li, Ye Xu, Yuntao Xie, Ying Liu
The mechanistic target of rapamycin complex 1 (mTORC1) is a master regulator of cell growth that responds to a diverse set of environmental cues, including amino acids1,2 . Deregulation of mTORC1 has been linked with metabolic diseases, cancer and ageing2-4 . In response to amino acids, mTORC1 is recruited by the Rag GTPases to the lysosome, its site of activation5,6 . The GATOR1 complex, consisting of DEPDC5, NPRL3 and NPRL2, displays GAP activity to inactivate Rag GTPases under amino-acid-deficient conditions 7 ...
May 16, 2018: Nature
https://www.readbyqxmd.com/read/29767810/a-novel-remaining-tendon-preserving-repair-technique-leads-to-improved-outcomes-in-special-rotator-cuff-tear-patterns
#4
Yoon Sang Jeon, Rag Gyu Kim, Sang-Jin Shin
INTRODUCTION: The purpose of this study was to identify the tear pattern that could be anatomically repaired by preserving the remaining tendon on footprint and evaluate clinical outcomes of patients who underwent remaining tendon preserving cuff repair. MATERIALS AND METHODS: Of 523 patients with full-thickness rotator cuff tears who underwent arthroscopic repair, 41 (7.8%) patients had repairable rotator cuff tear while preserving the remaining tendon. Among them, 31 patients were followed-up for more than 2 years, including 26 patients with posterior L-shaped tear and 5 patients with transtendinous tear patterns...
May 16, 2018: Archives of Orthopaedic and Trauma Surgery
https://www.readbyqxmd.com/read/29765455/ringer-s-lactate-solution-enhances-the-inflammatory-response-during-fluid-resuscitation-of-experimentally-induced-haemorrhagic-shock-in-rats
#5
Krzysztof Kusza, Mariusz Mielniczuk, Lukasz Krokowicz, Jacek B Cywiński, Maria Siemionow
Introduction: Hemorrhagic shock leads to systemic oxygen deficit (hypoxaemia) that results in systemic inflammatory response syndrome (SIRS), a recognised cause of late mortality in this case. The aim of this study was to analyse the impact of fluid resuscitation, using two Ringer solutions, on the microcirculation changes that take place during experimentally induced haemorrhagic shock. Material and methods: A model of the rat cremaster muscle was used to assess microcirculation in vivo ...
April 2018: Archives of Medical Science: AMS
https://www.readbyqxmd.com/read/29760281/the-rag-2-inhibitory-domain-gates-accessibility-of-the-v-d-j-recombinase-to-chromatin
#6
Alyssa Ward, Gita Kumari, Ranjan Sen, Stephen Desiderio
Accessibility of antigen receptor loci to RAG is correlated with the presence of H3K4me3, which binds to a plant homeodomain (PHD) in the RAG-2 subunit and promotes V(D)J recombination. A point mutation in the PHD, W453A, eliminates binding of H3K4me3 and impairs recombination. The debilitating effect of the W453A mutation is ameliorated by second-site mutations that locate an inhibitory domain in the interval from 352 through 405 of RAG-2. Disruption of the inhibitory domain stimulates V(D)J recombination within extrachromosomal substrates and at endogenous antigen receptor loci...
May 14, 2018: Molecular and Cellular Biology
https://www.readbyqxmd.com/read/29755958/gut-microbiota-contributes-to-resistance-against-pneumococcal-pneumonia-in-immunodeficient-rag-mice
#7
Krysta M Felix, Ivan A Jaimez, Thuy-Vi V Nguyen, Heqing Ma, Walid A Raslan, Christina N Klinger, Kristian P Doyle, Hsin-Jung J Wu
Streptococcus pneumoniae causes infection-related mortality worldwide. Immunocompromised individuals, including young children, the elderly, and those with immunodeficiency, are especially vulnerable, yet little is known regarding S. pneumoniae- related pathogenesis and protection in immunocompromised hosts. Recently, strong interest has emerged in the gut microbiota's impact on lung diseases, or the "gut-lung axis." However, the mechanisms of gut microbiota protection against gut-distal lung diseases like pneumonia remain unclear...
2018: Frontiers in Cellular and Infection Microbiology
https://www.readbyqxmd.com/read/29753306/distinct-neural-mechanisms-for-reading-arabic-vs-verbal-numbers-an-erp-study
#8
Alice Mado Proverbio, Marco Bianco, Francesco de Benedetto
In this EEG/ERP study, 16 volunteers were asked to compare the numerical equality of 360 pairs of multi-digit numbers presented in Arabic or verbal format. Behavioural data showed faster and more accurate responses for digit targets, with a right hand/left hemisphere advantage only for verbal numerals. Occipito-temporal N1, peaking at approximately 180 ms, was strongly left-lateralized during verbal number processing and bilateral during digit processing. A LORETA (low resolution electromagnetic tomography) source reconstruction performed at the N1 latency stage (155-185 ms) revealed greater brain activation during coding of Arabic than of verbal stimuli...
May 12, 2018: European Journal of Neuroscience
https://www.readbyqxmd.com/read/29749544/repair-of-urethral-defects-by-an-adipose-mesenchymal-stem-cell%C3%A2-porous-silk-fibroin-material
#9
Binqiang Tian, Lujie Song, Tao Liang, Zuowei Li, Xuxiao Ye, Qiang Fu, Yonghui Li
The aim of the present study was to determine whether it was possible to repair urethral defects with a material of adipose mesenchymal stem cells (ADMSCs)‑porous silk fibroin (SF). A total of 39 male New Zealand white rabbits were randomly divided into a control group, an SF group and a bromodeoxyuridine (BrdU)‑labeled ADMSCs‑SF group (SSF group; n=13/group). Defects were made by resecting the posterior urethral wall. The defects in the SF and SSF groups were repaired using SF and BrdU‑labeled ADMSCs‑SF materials respectively...
May 9, 2018: Molecular Medicine Reports
https://www.readbyqxmd.com/read/29743520/low-yellowing-phosphor-in-glass-for-high-power-chip-on-board-white-leds-by-optimizing-a-low-melting-sn-p-f-o-glass-matrix
#10
Hee Chang Yoon, Kouhara Yoshihiro, Heeyeon Yoo, Seung Woo Lee, Ji Hye Oh, Young Rag Do
We introduce a low-melting-point (MP) Sn-P-F-O glass ceramic material into the phosphor-in-glass (PIG) material to realize an 'on-chip' chip-on-board (COB) type of phosphor-converted (pc) white light-emitting diode (WLED) with green (BaSr)2 SiO4 :Eu2+ and red (SrCa)AlSiN3 :Eu2+ (SCASN) phosphors. The optimum Sn-P-F-O-based ceramic components can be sintered into the glass phase with a facile one-step heating process at 285 °C for 1 min. Specifically, these soft-fabrication conditions can be optimized to minimize the degradation of the luminescent properties of the red SCASN phosphor as well as the green silicate phosphor in PIG-based white COB-type pc-LEDs owing to the low thermal loss of the phosphors at low fabrication temperatures below 300 °C...
May 9, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29740197/ikk%C3%AE-deficiency-disrupts-the-development-of-marginal-zone-and-follicular-b-cells
#11
Mumtaz Y Balkhi, Jami Willette-Brown, Gabor Wittmann, Yinling Hu
Only few genes have been confidently identified to be involved in the Follicular (FO) and Marginal Zone (MZ) B cell differentiation, migration, and retention in the periphery. Our group previously observed that IKKα kinase inactive mutant mice IKKα K44A/K44A have significantly lower number of MZ B cells whereas FO B cell numbers appeared relatively normal. Because kinase dead IKKα can retain some of its biological functions that may interfere in revealing its actual role in the MZ and FO B cell differentiation...
May 8, 2018: Genes and Immunity
https://www.readbyqxmd.com/read/29740017/atoh1-rfx1-rfx3-transcription-factors-facilitate-the-differentiation-and-characterisation-of-inner-ear-hair-cell-like-cells-from-patient-specific-induced-pluripotent-stem-cells-harbouring-a8344g-mutation-of-mitochondrial-dna
#12
Yen-Chun Chen, Chia-Ling Tsai, Yau-Huei Wei, Yu-Ting Wu, Wei-Ting Hsu, Hung-Ching Lin, Yi-Chao Hsu
Degeneration or loss of inner ear hair cells (HCs) is irreversible and results in sensorineural hearing loss (SHL). Human-induced pluripotent stem cells (hiPSCs) have been employed in disease modelling and cell therapy. Here, we propose a transcription factor (TF)-driven approach using ATOH1 and regulatory factor of x-box (RFX) genes to generate HC-like cells from hiPSCs. Our results suggest that ATOH1/RFX1/RFX3 could significantly increase the differentiation capacity of iPSCs into MYO7AmCherry -positive cells, upregulate the mRNA expression levels of HC-related genes and promote the differentiation of HCs with more mature stereociliary bundles...
April 19, 2018: Cell Death & Disease
https://www.readbyqxmd.com/read/29736669/a-propensity-score-matched-comparison-of-robotic-versus-laparoscopic-gastrectomy-for-gastric-cancer-oncological-cost-and-surgical-stress-analysis
#13
Jun Lu, Hua-Long Zheng, Ping Li, Jian-Wei Xie, Jia-Bin Wang, Jian-Xian Lin, Qi-Yue Chen, Long-Long Cao, Mi Lin, Ru-Hong Tu, Ze-Ning Huang, Chang-Ming Huang, Chao-Hui Zheng
BACKGROUND: Robotic-assisted gastrectomy (RAG) has been rapidly adopted for gastric cancer (GC) treatment. However, whether RAG provides any significant outcome/cost advantages over laparoscopy-assisted gastrectomy (LAG) for the experienced laparoscopist remains unclear. METHODS: A retrospective review of a prospectively collected database identified 768 consecutive patients who underwent either RAG (n = 103) or LAG (n = 667) for GC between July 2016 and June 2017 at a large center...
May 7, 2018: Journal of Gastrointestinal Surgery: Official Journal of the Society for Surgery of the Alimentary Tract
https://www.readbyqxmd.com/read/29718187/mutations-in-coa7-cause-spinocerebellar-ataxia-with-axonal-neuropathy
#14
Yujiro Higuchi, Ryuta Okunushi, Taichi Hara, Akihiro Hashiguchi, Junhui Yuan, Akiko Yoshimura, Kei Murayama, Akira Ohtake, Masahiro Ando, Yu Hiramatsu, Satoshi Ishihara, Hajime Tanabe, Yuji Okamoto, Eiji Matsuura, Takehiro Ueda, Tatsushi Toda, Sumimasa Yamashita, Kenichiro Yamada, Takashi Koide, Hiroaki Yaguchi, Jun Mitsui, Hiroyuki Ishiura, Jun Yoshimura, Koichiro Doi, Shinichi Morishita, Ken Sato, Masanori Nakagawa, Masamitsu Yamaguchi, Shoji Tsuji, Hiroshi Takashima
Several genes related to mitochondrial functions have been identified as causative genes of neuropathy or ataxia. Cytochrome c oxidase assembly factor 7 (COA7) may have a role in assembling mitochondrial respiratory chain complexes that function in oxidative phosphorylation. Here we identified four unrelated patients with recessive mutations in COA7 among a Japanese case series of 1396 patients with Charcot-Marie-Tooth disease (CMT) or other inherited peripheral neuropathies, including complex forms of CMT...
April 27, 2018: Brain: a Journal of Neurology
https://www.readbyqxmd.com/read/29698392/gtr-ego-independent-torc1-activation-is-achieved-through-a-glutamine-sensitive-interaction-with-pib2-on-the-vacuolar-membrane
#15
Hirofumi Ukai, Yasuhiro Araki, Shintaro Kira, Yu Oikawa, Alexander I May, Takeshi Noda
TORC1 is a central regulator of cell growth in response to amino acids. The role of the evolutionarily conserved Gtr/Rag pathway in the regulation of TORC1 is well-established. Recent genetic studies suggest that an additional regulatory pathway, depending on the activity of Pib2, plays a role in TORC1 activation independently of the Gtr/Rag pathway. However, the interplay between the Pib2 pathway and the Gtr/Rag pathway remains unclear. In this study, we show that Pib2 and Gtr/Ego form distinct complexes with TORC1 in a mutually exclusive manner, implying dedicated functional relationships between TORC1 and Pib2 or Gtr/Rag in response to specific amino acids...
April 2018: PLoS Genetics
https://www.readbyqxmd.com/read/29673596/the-torc1-signaling-pathway-regulates-respiration-induced-mitophagy-in-yeast
#16
Yang Liu, Koji Okamoto
Mitophagy is an evolutionarily conserved autophagy process that selectively degrades mitochondria. This catabolic event is considered to be a mitochondrial quality control system crucial for cell homeostasis, however, mechanisms regulating mitophagy remain largely unknown. Here we show that the TORC1 (target of rapamycin complex 1) signaling pathway regulates mitophagy in budding yeast via SEACIT (Seh1-associated complex inhibiting TORC1) consisting of Iml1, Npr2, and Npr3. Cells lacking SEACIT displayed strong defects in mitophagy during prolonged respiratory growth, while the other selective autophagy processes are only partially affected...
April 16, 2018: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/29659614/kshv-induces-immunoglobulin-rearrangements-in-mature-b-lymphocytes
#17
Jennifer Totonchy, Jessica M Osborn, Amy Chadburn, Ramina Nabiee, Lissenya Argueta, Geoffrey Mikita, Ethel Cesarman
Kaposi Sarcoma Herpesvirus (KSHV/HHV-8) is a B cell tropic human pathogen, which is present in vivo in monotypic immunoglobulin λ (Igλ) light chain but polyclonal B cells. In the current study, we use cell sorting to infect specific B cell lineages from human tonsil specimens in order to examine the immunophenotypic alterations associated with KSHV infection. We describe IL-6 dependent maturation of naïve B lymphocytes in response to KSHV infection and determine that the Igλ monotypic bias of KSHV infection in vivo is due to viral induction of BCR revision...
April 16, 2018: PLoS Pathogens
https://www.readbyqxmd.com/read/29626061/the-structure-of-gator1-rag-gtpases-reveal-modes-of-regulation
#18
(no author information available yet)
A Rag GTPases-DEPDC5 inhibitory interaction mode suppresses GATOR1 GAP activity.
April 6, 2018: Cancer Discovery
https://www.readbyqxmd.com/read/29625033/galectins-control-mtor-in-response-to-endomembrane-damage
#19
Jingyue Jia, Yakubu Princely Abudu, Aurore Claude-Taupin, Yuexi Gu, Suresh Kumar, Seong Won Choi, Ryan Peters, Michal H Mudd, Lee Allers, Michelle Salemi, Brett Phinney, Terje Johansen, Vojo Deretic
The Ser/Thr protein kinase mTOR controls metabolic pathways, including the catabolic process of autophagy. Autophagy plays additional, catabolism-independent roles in homeostasis of cytoplasmic endomembranes and whole organelles. How signals from endomembrane damage are transmitted to mTOR to orchestrate autophagic responses is not known. Here we show that mTOR is inhibited by lysosomal damage. Lysosomal damage, recognized by galectins, leads to association of galectin-8 (Gal8) with the mTOR apparatus on the lysosome...
April 5, 2018: Molecular Cell
https://www.readbyqxmd.com/read/29621619/adventures-with-rna-graphs
#20
REVIEW
Tamar Schlick
The structure of RNA has been a natural subject for mathematical modeling, inviting many innovative computational frameworks. This single-stranded polynucleotide chain can fold upon itself in numerous ways to form hydrogen-bonded segments, imperfect with single-stranded loops. Illustrating these paired and non-paired interaction networks, known as RNA's secondary (2D) structure, using mathematical graph objects has been illuminating for RNA structure analysis. Building upon such seminal work from the 1970s and 1980s, graph models are now used to study not only RNA structure but also describe RNA's recurring modular units, sample the conformational space accessible to RNAs, predict RNA's three-dimensional folds, and apply the combined aspects to novel RNA design...
April 2, 2018: Methods: a Companion to Methods in Enzymology
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