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https://www.readbyqxmd.com/read/29787958/altered-tryptophan-catabolite-concentrations-in-major-depressive-disorder-and-associated-changes-in-hippocampal-subfield-volumes
#1
Kelly Doolin, Kelly A Allers, Sina Pleiner, Andre Liesener, Chloe Farrell, Leonardo Tozzi, Erik O'Hanlon, Darren Roddy, Thomas Frodl, Andrew Harkin, Veronica O'Keane
BACKGROUND: Tryptophan depletion is a well-replicated biological finding in Major Depressive Disorder (MDD). The kynurenine pathway (KP) and its rate-limiting tryptophan degrading enzyme, indolamine 2,3 dioxygenase (IDO), have been implicated in the pathogenesis of depression. IDO expression is driven by inflammatory cytokines, providing a putative link between inflammation and neuropathology. This study examined circulating concentrations of C-reactive protein (CRP), plasma tryptophan, kynurenine (KYN), kynurenic acid (KYNA) and quinolinic acid (QUIN) and whole blood mRNA expression of IDO in patients with major depressive disorder (MDD) compared with healthy controls (HC)...
May 19, 2018: Psychoneuroendocrinology
https://www.readbyqxmd.com/read/29776065/multifrequency-raman-amplifiers
#2
Ido Barth, Nathaniel J Fisch
In its usual implementation, the Raman amplifier features only one pump carrier frequency. However, pulses with well-separated frequencies can also be Raman amplified while compressed in time. Amplification with frequency-separated pumps is shown to hold even in the highly nonlinear, pump-depletion regime, as derived through a fluid model, and demonstrated via particle-in-cell simulations. The resulting efficiency is similar to single-frequency amplifiers, but, due to the beat-wave waveform of both the pump lasers and the amplified seed pulses, these amplifiers feature higher seed intensities with a shorter spike duration...
March 2018: Physical Review. E
https://www.readbyqxmd.com/read/29775591/disease-associated-microglia-a-universal-immune-sensor-of-neurodegeneration
#3
REVIEW
Aleksandra Deczkowska, Hadas Keren-Shaul, Assaf Weiner, Marco Colonna, Michal Schwartz, Ido Amit
A major challenge in the field of neurodegenerative diseases and brain aging is to identify the body's intrinsic mechanism that could sense the central nervous system (CNS) damage early and protect the brain from neurodegeneration. Accumulating evidence suggests that disease-associated microglia (DAM), a recently identified subset of CNS resident macrophages found at sites of neurodegeneration, might play such a protective role. Here, we propose that microglia are endowed with a dedicated sensory mechanism, which includes the Trem2 signaling pathway, to detect damage within the CNS in the form of neurodegeneration-associated molecular patterns (NAMPs)...
May 17, 2018: Cell
https://www.readbyqxmd.com/read/29769714/author-correction-a-myc-enhancer-cluster-regulates-normal-and-leukaemic-haematopoietic-stem-cell-hierarchies
#4
Carsten Bahr, Lisa von Paleske, Veli V Uslu, Silvia Remeseiro, Naoya Takayama, Stanley W Ng, Alex Murison, Katja Langenfeld, Massimo Petretich, Roberta Scognamiglio, Petra Zeisberger, Amelie S Benk, Ido Amit, Peter W Zandstra, Mathieu Lupien, John E Dick, Andreas Trumpp, François Spitz
In the originally published version of this Letter, ref. 43 was erroneously provided twice. In the 'Estimation of relative cell-type-specific composition of AML samples' section in the Methods, the citation to ref. 43 after the GEO dataset GSE24759 is correct. However, in the 'Mice' section of the Methods, the citation to ref. 43 after 'TAMERE' should have been associated with a new reference1. The original Letter has been corrected online (with the new reference included as ref. 49).
May 16, 2018: Nature
https://www.readbyqxmd.com/read/29768178/trained-memory-of-human-uterine-nk-cells-enhances-their-function-in-subsequent-pregnancies
#5
Moriya Gamliel, Debra Goldman-Wohl, Batya Isaacson, Chamutal Gur, Natan Stein, Rachel Yamin, Michael Berger, Myriam Grunewald, Eli Keshet, Yoach Rais, Chamutal Bornstein, Eyal David, Adam Jelinski, Iris Eisenberg, Caryn Greenfield, Arbel Ben-David, Tal Imbar, Ronit Gilad, Ronit Haimov-Kochman, David Mankuta, Matan Elami-Suzin, Ido Amit, Jacob H Hanna, Simcha Yagel, Ofer Mandelboim
Natural killer cells (NKs) are abundant in the human decidua, regulating trophoblast invasion and angiogenesis. Several diseases of poor placental development are associated with first pregnancies, so we thus looked to characterize differences in decidual NKs (dNKs) in first versus repeated pregnancies. We discovered a population found in repeated pregnancies, which has a unique transcriptome and epigenetic signature, and is characterized by high expression of the receptors NKG2C and LILRB1. We named these cells Pregnancy Trained decidual NK cells (PTdNKs)...
May 15, 2018: Immunity
https://www.readbyqxmd.com/read/29767983/reductive-radical-cascades-triggered-by-alkoxyl-radicals-in-the-%C3%AE-cyclodextrin-framework
#6
Elisa I León, Angeles Martín, Inés Pérez-Martín, Ernesto Suárez
The generation and fate of 2I-VII ,3I-VII ,6II-VII -icosa- O-methyl-β-cyclomaltoheptaos-6I - O-yl radical under reductive conditions is described. Two radical cascade reactions are involved: the main one is triggered by a 1,8-HAT of the hydrogen at 5VII C. The radical can reach the anomeric hydrogen at 1V C three sugar units ahead using a six-step sequence. The different hydrogen donor ability of the group 14 hydrides permits one to selectively stop the cascade at 5VII C, 2VI C, and 4VI C to obtain β-CD with a β-l-Ido p unit, acyclic hepta-, and hexa-saccharide structures, respectively...
May 16, 2018: Organic Letters
https://www.readbyqxmd.com/read/29766276/anti-ganglionic-achr-antibodies-in-japanese-patients-with-motility-disorders
#7
Akihiro Mukaino, Hitomi Minami, Hajime Isomoto, Hitomi Hamamoto, Eikichi Ihara, Yasuhiro Maeda, Osamu Higuchi, Tohru Okanishi, Yohei Kokudo, Kazushi Deguchi, Fumisato Sasaki, Toshihito Ueki, Ken-Ya Murata, Takeshi Yoshida, Mistuyo Kinjo, Yoshihiro Ogawa, Akio Ido, Hidenori Matsuo, Kazuhiko Nakao, Shunya Nakane
BACKGROUND: The existence of several autoantibodies suggests an autoimmune basis for gastrointestinal (GI) dysmotility. Whether GI motility disorders are features of autoimmune autonomic ganglionopathy (AAG) or are related to circulating anti-ganglionic acetylcholine receptor (gAChR) antibodies (Abs) is not known. The aim of this study was to determine the associations between autonomic dysfunction, anti-gAChR Abs, and clinical features in patients with GI motility disorders including achalasia and chronic intestinal pseudo-obstruction (CIPO)...
May 15, 2018: Journal of Gastroenterology
https://www.readbyqxmd.com/read/29764164/immunoregulatory-antigens-novel-targets-for-cancer-immunotherapy
#8
Ayako Wakatsuki Pedersen, Katharina L Kopp, Mads Hald Andersen, Mai-Britt Zocca
Historically, the development of cancer vaccines has focused on the central role of tumor antigens in eliciting tumor-specific immune responses, with limited success. Recent advances with checkpoint blockade approaches have brought about a renewed appreciation of the importance of targeting immune suppression in cancer patients. Here we discuss a novel approach to cancer immunotherapy, namely to target recently described T cells that uniquely control cells with immune suppressive functions. Accumulating evidence support the existence of self-reactive T cells that are specific to antigens derived from immunoregulatory proteins ("immunoregulatory antigens"), such as indoleamine 2,3-dioxygenase (IDO) and PD-L1...
April 2018: Chinese Clinical Oncology
https://www.readbyqxmd.com/read/29761680/the-history-of-the-low-transverse-cesarean-section-the-pivotal-role-of-munro-kerr
#9
REVIEW
David Peleg, Yechiel Z Burke, Ido Solt, Menachem Fisher
Cesarean section has undergone a transformation that has radically changed the prognosis of both the pregnant woman and her unborn child. The attributed mortality rate of Cesarean section during the 19th century was over 50% worldwide. Today, mortality from Cesarean delivery is rare. However, the technique of transversely incising the uterus in its lower uterine segment, although less than a century old, is passed on from instructor to apprentice, often without either of them being aware of its noble history...
May 2018: Israel Medical Association Journal: IMAJ
https://www.readbyqxmd.com/read/29761675/telomere-length-aggregates-and-capture-in-cirrhosis
#10
Ido Laish, Amir Mari, Batya Mannasse, Ruth Hadary, Fred Meir Konikoff, Aliza Amiel, Yona Kitay-Cohen
BACKGROUND: Shortened telomeres were found in patients with cirrhosis, probably reflecting chronic liver injury, continuous regeneration, and destruction of hepatic nodules. OBJECTIVES: To test whether telomere shortening is a general marker of cirrhosis, independent of disease etiology. METHODS: We evaluated telomere length in patients with cryptogenic cirrhosis (largely a late sequela of steatohepatitis) compared to patients with cirrhosis caused by chronic hepatitis B and C (HBV/HCV)...
May 2018: Israel Medical Association Journal: IMAJ
https://www.readbyqxmd.com/read/29759005/ido-expressing-fibroblasts-suppress-the-development-of-imiquimod-induced-psoriasis-like-dermatitis
#11
Sanam Salimi Elizei, Mohammadreza Pakyari, Mehraneh Ghoreishi, Ruhangiz Kilani, Sanaz Mahmoudi, Aziz Ghahary
Psoriasis is a chronic skin condition whose pathogenesis is reported to be due to the activation of the interleukin-23/interleukin-17 (IL-23/IL-17) pathway. Here, we report that indoleamine 2,3-dioxygenase (IDO)-expressing fibroblasts reduce the activity of this pathway in activated immune cells. The findings showed that intralesional injection of IDO-expressing fibroblasts in imiquimod-induced psoriasis-like dermatitis on the back and ear (Pso. ear group) in mice significantly improves the clinical lesional appearance by reducing the number of skin-infiltrated IL-17+ CD4+ T cells (1...
January 1, 2018: Cell Transplantation
https://www.readbyqxmd.com/read/29758739/revealing-the-microstructure-of-the-giant-component-in-random-graph-ensembles
#12
Ido Tishby, Ofer Biham, Eytan Katzav, Reimer Kühn
The microstructure of the giant component of the Erdős-Rényi network and other configuration model networks is analyzed using generating function methods. While configuration model networks are uncorrelated, the giant component exhibits a degree distribution which is different from the overall degree distribution of the network and includes degree-degree correlations of all orders. We present exact analytical results for the degree distributions as well as higher-order degree-degree correlations on the giant components of configuration model networks...
April 2018: Physical Review. E
https://www.readbyqxmd.com/read/29756817/chirping-and-sudden-excitation-of-energetic-particle-driven-geodesic-acoustic-modes-in-a-large-helical-device-experiment
#13
Hao Wang, Yasushi Todo, Takeshi Ido, Yasuhiro Suzuki
Energetic-particle-driven geodesic acoustic modes (EGAMs) observed in a Large Helical Device experiment are investigated using a hybrid simulation code for energetic particles interacting with a magnetohydrodynamic (MHD) fluid. The frequency chirping of the primary mode and the sudden excitation of the half-frequency secondary mode are reproduced for the first time with the hybrid simulation using the realistic physical condition and the three-dimensional equilibrium. Both EGAMs have global spatial profiles which are consistent with the experimental measurements...
April 27, 2018: Physical Review Letters
https://www.readbyqxmd.com/read/29752722/a-new-cancer-immunotherapy-via-simultaneous-dc-mobilization-and-dc-targeted-ido-gene-silencing-using-an-immune-stimulatory-nanosystem
#14
Yujuan Zhang, Jiamin Fu, Yanmei Shi, Shanshan Peng, Ying Cai, Xuelin Zhan, Na Song, Yanling Liu, Zhigang Wang, Yanrong Yu, Yifan Wang, Qiaofa Shi, Yingyuan Fu, Keng Yuan, Nanjin Zhou, Rakesh Joshi, Thomas E Ichim, Weiping Min
The activity of negative immune regulatory molecules, such as indoleamine 2,3-oxygenase (IDO), significantly attenuates DC (Dendritic cells)-mediated immunotherapy. We have previously reported that knockdown of IDO using siRNA can reinstall anti-tumor immunity. However, a DC-targeted siRNA delivery system for in vivo mobilized DCs remains to be developed, while gene silencing in mobilized DCs for cancer immunotherapy has never been explored. In this study, we developed a novel DC-targeted siRNA delivery system, man-GNR-siIDO, using as a nanocarrier of siRNA specific for IDO (siIDO) and mannose (man) as a guide molecule for targeting DCs...
May 11, 2018: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/29752140/feiji-recipe-inhibits-the-growth-of-lung-cancer-by-modulating-t-cell-immunity-through-indoleamine-2-3-dioxygenase-pathway-in-an-orthotopic-implantation-model
#15
Bin Luo, Zu-Jun Que, Zhi-Yi Zhou, Qing Wang, Chang-Sheng Dong, Yi Jiang, Bing Hu, Hui Shi, Yu Jin, Jian-Wen Liu, He-Gen Li, Lin Wang, Jian-Hui Tian
OBJECTIVE: Escape from the body's immune response is a basic characteristic of lung cancer, and indoleamine-2,3-dioxygenase (IDO) plays a key role in mediating immune escape of non-small-cell lung cancer, which leads to recurrence and metastasis. Feiji Recipe, a compound Chinese herbal medicine, has the effect of stabilizing lesions and prolonging survival in patients with lung cancer. The purpose of this study was to investigate the mechanisms underlying the anticancer properties of Feiji Recipe...
April 22, 2018: Journal of Integrative Medicine
https://www.readbyqxmd.com/read/29745453/sex-disparities-in-acute-myocardial-infarction-care-and-outcomes
#16
Burcu Gul, Ken Kozuma, Ido Haimi, Weiying Zhao, Charles Simonton, Shih-Wa Ying, Alexandra Buda, Sameer Mehta, Andreas Baumbach, Alexandra Lansky
AIM: We investigated sex-based and regional outcomes after contemporary percutaneous coronary intervention (PCI) with the Xience V stent in patients with acute myocardial infarction (AMI). METHODS AND RESULTS: This patient level pooled analysis includes three multi-center, prospective post-market registries performed in the US, Japan, and China. A total of 1,938 patients treated with Xience V stents in the setting of AMI were enrolled. Compared to men, women had higher major adverse cardiac events (MACE) (14...
May 10, 2018: Catheterization and Cardiovascular Interventions
https://www.readbyqxmd.com/read/29742279/ethnicity-related-trends-in-gynecologic-malignancies-in-israel-1993-2013
#17
Nadav Michaan, Limor Gortzak-Uzan, Dan Grisario, Ido Laskov
OBJECTIVE: To describe trends and ethnic differences in incidence of gynecologic cancer in Israel. METHODS: In the present retrospective epidemiologic study, age-standardized rates (ASRs) rates of gynecologic malignancies that occurred between January 1, 1993, and December 31, 2013, were extracted from the Israeli National Cancer Registry. The annual percent change (APC) was calculated separately for Jewish and Arab patients for ovarian, endometrial, and cervical cancers...
May 9, 2018: International Journal of Gynaecology and Obstetrics
https://www.readbyqxmd.com/read/29741081/additive-manufacturing-of-transparent-silica-glass-from-solutions
#18
Ido Cooperstein, Efrat Shukrun, Ofir Press, Alexander Kamyshny, Shlomo Magdassi
A sol, aqueous solution based ink is presented for fabrication of 3D transparent silica glass objects with complex geometries, by a simple 3D printing process conducted at room temperature. The ink combines a hybrid ceramic precursor that can undergo both photopolymerization reaction and a sol-gel process, both in a solution form, without any particles. The printing is conducted by localized photopolymerization with the use of a low-cost 3D printer. Following printing, upon aging and densifying, the resulting objects convert from a gel to a xerogel and then to a fused silica...
May 9, 2018: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/29740586/supermicrosurgery-history-applications-training-and-the-future
#19
Ido Badash, Daniel J Gould, Ketan M Patel
Supermicrosurgery, a technique of dissection and anastomosis of small vessels ranging from 0.3 to 0.8 mm, has revolutionized the fields of lymphedema treatment and soft tissue reconstruction. The technique offers several distinct benefits to microsurgeons, including the ability to manipulate small vessels that were previously inaccessible, and to minimize donor-site morbidity by dissecting short pedicles in a suprafascial plane. Thus, supermicrosurgery has become increasingly popular in recent years, and its applications have greatly expanded since it was first introduced 20 years ago...
2018: Frontiers in Surgery
https://www.readbyqxmd.com/read/29735982/microglial-immune-checkpoint-mechanisms
#20
REVIEW
Aleksandra Deczkowska, Ido Amit, Michal Schwartz
Microglia differentiate from progenitors that infiltrate the nascent CNS during early embryonic development. They then remain in this unique immune-privileged environment throughout life. Multiple immune mechanisms, which we collectively refer to as microglial checkpoints, ensure efficient and tightly regulated microglial responses to perturbations in the CNS milieu. Such mechanisms are essential for proper CNS development and optimal physiological function. However, in chronic disease or aging, when a robust immune response is required, such checkpoint mechanisms may limit the ability of microglia to protect the CNS...
May 7, 2018: Nature Neuroscience
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