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https://www.readbyqxmd.com/read/29782911/estrogen-deficiency-exacerbates-a%C3%AE-induced-memory-impairment-through-enhancement-of-neuroinflammation-amylodogenesis-and-nf-%C3%A4-b-activation-in-ovariectomized-mice
#1
Jaesuk Yun, In Jun Yeo, Chul Ju Hwang, Dong-Young Choi, Hyung-Sik Im, Ji Youg Kim, Won Rak Choi, Myung Hee Jung, Sang-Bae Han, Jin Tae Hong
Estrogen is well known to have a preventative effect in Alzheimer's disease (AD) pathology. Several studies have demonstrated that nuclear factor kappa-B (NF-ĸB) can contribute to the effects of estrogen on the development of AD. We investigated whether NF-ĸB affects amyloid-beta (Aβ)-induced memory impairment in an estrogen-lacking condition. In the present study, nine-week-old Institute cancer research (ICR) mice were ovariectomized to block estrogen stimulation. Ten weeks after the ovariectomization, mice were administered with Aβ (300 pmol) via intracerebroventricular (ICV) infusion for 2 weeks...
May 18, 2018: Brain, Behavior, and Immunity
https://www.readbyqxmd.com/read/29782196/a-randomized-clinical-trial-of-topical-diclofenac-fluorometholone-and-dexamethasone-for-control-of-inflammation-after-strabismus-surgery
#2
Jinsoo Kim, Dong Chul Choi, Seokhyun Bae, Dong Gyu Choi, Joo Yeon Lee
PURPOSE: To evaluate the comparative effects and safety of topical diclofenac sodium, fluorometholone, and dexamethasone for controlling inflammation after routine strabismus surgery. METHODS: This was a randomized clinical trial. Ninety-nine patients admitted for surgery to treat intermittent exotropia were randomly assigned to receive 1 of 3 postoperative eye drops between January 2015 and February 2016. The primary efficacy outcomes were pain and conjunctival injection...
May 21, 2018: Journal of Ocular Pharmacology and Therapeutics
https://www.readbyqxmd.com/read/29781178/the-effects-of-platelet-rich-plasma-on-hypertrophic-scars-fibroblasts
#3
Seung Min Nam, Yong Bae Kim
We hypothesised that a feedback mechanism of the transforming growth factor (TGF)-β1 signalling pathway, triggered by high-level TGF-β1, activates platelet-rich plasma (PRP) release to reduce connective tissue growth factor (CTGF) production and expression of CTGF mRNA in hypertrophic scar dermal fibroblasts. Primary dermal fibroblasts were isolated from cultures of hypertrophic scars. Cells were cultured after addition of serum-free Dulbecco's modified Eagle's medium supplemented with 5% (wt/vol) PRP or platelet-poor plasma (PPP)...
May 21, 2018: International Wound Journal
https://www.readbyqxmd.com/read/29780777/retrospective-study-of-combination-chemotherapy-with-etoposide-and-ifosfamide-in-patients-with-heavily-pretreated-recurrent-or-persistent-epithelial-ovarian-cancer
#4
Wonkyo Shin, Hye-Joo Lee, Seong J Yang, E Sun Paik, Hyun-Jin Choi, Tae-Joong Kim, Chel Hun Choi, Jeong-Won Lee, Duk-Soo Bae, Byoung-Gie Kim
Objective: This retrospective study is to evaluate the efficacy and toxicity of combination chemotherapy with etoposide and ifosfamide (ETI) in the management of pretreated recurrent or persistent epithelial ovarian cancer (EOC). Methods: Patients with recurrent or persistent EOC who had measurable disease and at least one chemotherapy regimen were to receive etoposide at a dose of 100 mg/m2 /day intravenous (IV) on days 1 to 3 in combination with ifosfamide 1 g/m2 /day IV on days 1 to 5, every 21 days...
May 2018: Obstetrics & Gynecology Science
https://www.readbyqxmd.com/read/29780775/optimal-cutoff-level-of-serum-squamous-cell-carcinoma-antigen-to-detect-recurrent-cervical-squamous-cell-carcinoma-during-post-treatment-surveillance
#5
Jinju Oh, Jin Young Bae
Objective: The objective of this study was to determine the optimal cutoff level of serum squamous cell carcinoma antigen (SCC-Ag) to detect recurrent cervical squamous cell carcinoma during post-treatment surveillance. Methods: Between January 2000 and July 2014, a total of 158 women with cervical squamous cell carcinoma were treated with radiotherapy with or without concurrent chemotherapy at our department. A total of 1,550 serum SCC-Ag tests performed during post-treatment surveillance of the 158 patients were included in this retrospective study...
May 2018: Obstetrics & Gynecology Science
https://www.readbyqxmd.com/read/29780773/clinical-characteristics-and-outcomes-of-placental-site-trophoblastic-tumor-experience-of-single-institution-in-korea
#6
Hye-Joo Lee, Wonkyo Shin, Yun Jeong Jang, Chel Hun Choi, Jeong-Won Lee, Duk-Soo Bae, Byoung-Gie Kim
Objective: Placental site trophoblastic tumor (PSTT) is the rarest form of gestational trophoblastic disease (GTD) and the optimum management is still controversial. In this study, we analyzed the clinical features, treatment, and outcomes of 6 consecutive patients with PSTT treated in our institution. Methods: The electronic medical record database of Samsung Medical Center was screened to identify patients with PSTT from 1994 to 2017. Medical records for the details of each patient's clinical features and treatment were extracted and reviewed...
May 2018: Obstetrics & Gynecology Science
https://www.readbyqxmd.com/read/29779893/a-new-risk-score-for-ventricular-tachyarrhythmia-in-acute-myocardial-infarction-with-preserved-left-ventricular-ejection-fraction
#7
Seung Hun Lee, Myung Ho Jeong, Ju Han Kim, Min Chul Kim, Doo Sun Sim, Young Joon Hong, Youngkeun Ahn, Shung Chull Chae, In Whan Seong, Jong Sun Park, Jei Keon Chae, Seung Ho Hur, Kwang-Soo Cha, Hyo-Soo Kim, Hyeon Cheol Gwon, Ki Bae Seung, Seung Woon Rha
BACKGROUND: Ventricular tachycardia or fibrillation (VT/VF) is a major cause of sudden cardiac death after acute myocardial infarction (AMI). This study aims to investigate the clinical characteristics and outcomes of VT/VF, to identify the variables associated with VT/VF, and to construct a new scoring system. METHODS: Patients with relatively preserved left ventricular ejection fraction (LVEF) (≥40%) included in the Korea Acute Myocardial Infarction Registry-National Institutes of Health registry were enrolled in this study...
May 17, 2018: Journal of Cardiology
https://www.readbyqxmd.com/read/29779453/association-between-thyroid-dysfunction-and-lipid-profiles-differs-according-to-age-and-gender-results-from-the-korean-national-health-and-nutrition-examination-survey
#8
Hye-Seon Oh, Hyemi Kwon, Jonghwa Ahn, Eyun Song, Suyeon Park, Mijin Kim, Minkyu Han, MinJi Jeon, Won Gu Kim, Won Bae Kim, YoungKee Shong, Eun-Jung Rhee, Tae Yong Kim
<i>Background</i> Lipid profiles of men and women change differently during the aging process. Guidelines recommend that dyslipidemia patients should consider screening for hypothyroidism without consideration of age or gender. <i>Methods</i> Data from the sixth Korean National Health and Nutrition Examination were used. A total of 4,275 participants without thyroid disease and without a past history of dyslipidemia or dyslipidemia medication were evaluated. We analyzed the association between thyroid dysfunction and lipid profiles (total cholesterol [TC], low-dense lipoprotein cholesterol [LDLC], and triglyceride [TG]) by age and gender...
May 19, 2018: Thyroid: Official Journal of the American Thyroid Association
https://www.readbyqxmd.com/read/29779024/a-randomized-clinical-trial-of-metformin-to-treat-autosomal-dominant-polycystic-kidney-disease
#9
Stephen L Seliger, Kaleab Z Abebe, Kenneth R Hallows, Dana C Miskulin, Ronald D Perrone, Terry Watnick, Kyongtae Tae Bae
BACKGROUND: Metformin inhibits cyclic AMP generation and activates AMP-activated protein kinase (AMPK), which inhibits the cystic fibrosis transmembrane conductance regulator and Mammalian Target of Rapamycin pathways. Together these effects may reduce cyst growth in autosomal dominant polycystic kidney disease (ADPKD). METHODS: A phase II, double-blinded randomized placebo-controlled trial of 26 months duration. Participants will include nondiabetic adults (n = 96) aged 18-60 years, with an estimated glomerular filtration rate (eGFR) ≥50 mL/min/1...
May 18, 2018: American Journal of Nephrology
https://www.readbyqxmd.com/read/29778902/perspectives-on-the-past-present-and-future-of-cancer-nanomedicine
#10
Yu Seok Youn, You Han Bae
The justification of cancer nanomedicine relies on enhanced permeation (EP) and retention (R) effect and the capability of intracellular targeting due primarily to size after internalization (endocytosis) into the individual target cells. The EPR effect implies improved efficacy. Affinity targeting for solid tumors only occur after delivery to individual cells, which help internalization and/or retention. The design principles have been supported by animal results in numerous publications, but hardly translated...
May 17, 2018: Advanced Drug Delivery Reviews
https://www.readbyqxmd.com/read/29778682/temperature-and-hydrologic-alteration-predict-the-spread-of-invasive-largemouth-bass-micropterus-salmoides
#11
Mi-Jung Bae, Christina A Murphy, Emili García-Berthou
The successful establishment of an aquatic invasive alien species can be mediated by a suite of environmental factors, including climate and anthropogenic disturbance. Dams and reservoirs are thought to promote freshwater fish invasion success through hydrological alterations but the evidence for their role in the global invasion of Largemouth Bass (Micropterus salmoides) on a landscape scale is limited. Here, we examine the distribution of Largemouth Bass, one of the most widely introduced fish in the world, from the Iberian Peninsula using species distribution models (SDMs), including an ensemble forecast...
May 17, 2018: Science of the Total Environment
https://www.readbyqxmd.com/read/29778246/re-dating-zhoukoudian-upper-cave-northern-china-and-its-regional-significance
#12
Feng Li, Christopher J Bae, Christopher B Ramsey, Fuyou Chen, Xing Gao
Due to the presence of multiple partial modern human skeletons thought to have been interred along with a diversity of evidence of symbolic behavior, Zhoukoudian Upper Cave (ZKD UC; formally "Choukoutien") from northern China has long been a critical site for understanding Late Quaternary human evolution and particularly the role eastern Asia played. Unfortunately, uncertainty regarding ZKD UC's chronology has long hindered determination of its importance in the debate over modern human origins. This situation has been particularly problematic because dates from the primary archaeological layers of ZKD UC have ranged from the Late Pleistocene to the Early Holocene (∼34-10 ka), with clearly different implications depending on which age is used...
May 16, 2018: Journal of Human Evolution
https://www.readbyqxmd.com/read/29777905/coupling-of-the-polyamine-and-iron-metabolism-pathways-in-the-regulation-of-proliferation-mechanistic-links-to-alterations-in-key-polyamine-biosynthetic-and-catabolic-enzymes
#13
Darius J R Lane, Dong-Hun Bae, Aritee R Siafakas, Yohan Suryo Rahmanto, Lina Al-Akra, Patric J Jansson, Robert A Casero, Des R Richardson
Many biological processes result from the coupling of metabolic pathways. Considering this, proliferation depends on adequate iron and polyamines, and although iron-depletion impairs proliferation, the metabolic link between iron and polyamine metabolism has never been thoroughly investigated. This is important to decipher, as many disease states demonstrate co-dysregulation of iron and polyamine metabolism. Herein, for the first time, we demonstrate that cellular iron levels robustly regulate 13 polyamine pathway proteins...
May 16, 2018: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/29777756/peroxiredoxin-5-regulates-adipogenesis-attenuating-oxidative-stress-in-obese-mouse-models-induced-by-a-high-fat-diet
#14
Mi Hye Kim, Sun-Ji Park, Jung-Hak Kim, Jung Bae Seong, Kyung-Min Kim, Hyun Ae Woo, Dong-Seok Lee
Elevated levels of reactive oxygen species (ROS) are a hallmark of obesity. Peroxiredoxin 5 (Prx5), which is a cysteine-dependent peroxidase enzyme, has an intensive ROS scavenging activity because it is located in the cytosol and mitochondria. Therefore, we focused on the role of Prx5 in regulating mitochondrial ROS and adipogenesis. We demonstrated that Prx5 expression was upregulated during adipogenesis and Prx5 overexpression suppressed adipogenesis by regulating cytosolic and mitochondrial ROS generation...
May 16, 2018: Free Radical Biology & Medicine
https://www.readbyqxmd.com/read/29777108/factor-xiiia-expressing-inflammatory-monocytes-promote-lung-squamous-cancer-through-fibrin-cross-linking
#15
Alessandro Porrello, Patrick L Leslie, Emily B Harrison, Balachandra K Gorentla, Sravya Kattula, Subrata K Ghosh, Salma H Azam, Alisha Holtzhausen, Yvonne L Chao, Michele C Hayward, Trent A Waugh, Sanggyu Bae, Virginia Godfrey, Scott H Randell, Cecilia Oderup, Liza Makowski, Jared Weiss, Matthew D Wilkerson, D Neil Hayes, H Shelton Earp, Albert S Baldwin, Alisa S Wolberg, Chad V Pecot
Lung cancer is the leading cause of cancer-related deaths worldwide, and lung squamous carcinomas (LUSC) represent about 30% of cases. Molecular aberrations in lung adenocarcinomas have allowed for effective targeted treatments, but corresponding therapeutic advances in LUSC have not materialized. However, immune checkpoint inhibitors in sub-populations of LUSC patients have led to exciting responses. Using computational analyses of The Cancer Genome Atlas, we identified a subset of LUSC tumors characterized by dense infiltration of inflammatory monocytes (IMs) and poor survival...
May 18, 2018: Nature Communications
https://www.readbyqxmd.com/read/29775761/the-bone-anabolic-effects-of-irisin-are-through-preferential-stimulation-of-aerobic-glycolysis
#16
Dingdong Zhang, ChuHyun Bae, Junghak Lee, Jiho Lee, Zeyu Jin, Myeongmo Kang, Young Suk Cho, Jeong-Han Kim, Weontae Lee, Sung-Kil Lim
Irisin, a recently identified hormone secreted by skeletal muscle in response to exercise, exhibits anabolic effects on the skeleton primarily through the stimulation of bone formation. However, the mechanism underlying the irisin-stimulated anabolic response remains largely unknown. To uncover the underlying mechanism, we biosynthesized recombinant irisin (r-irisin) using an Escherichia coli expression system and used it to treat several osteoblast cell types. Our synthesized r-irisin could promote proliferation and differentiation of osteoblasts as evidenced by enhanced expression of osteoblast-specific transcriptional factors, including Runt-related transcription factor-2 (Runx2), Oster (Osx), as well as early osteoblastic differentiation markers such as alkaline phosphatase (Alp) and collagen type I alpha 1 (Col1a1)...
May 15, 2018: Bone
https://www.readbyqxmd.com/read/29775596/digital-museum-of-retinal-ganglion-cells-with-dense-anatomy-and-physiology
#17
J Alexander Bae, Shang Mu, Jinseop S Kim, Nicholas L Turner, Ignacio Tartavull, Nico Kemnitz, Chris S Jordan, Alex D Norton, William M Silversmith, Rachel Prentki, Marissa Sorek, Celia David, Devon L Jones, Doug Bland, Amy L R Sterling, Jungman Park, Kevin L Briggman, H Sebastian Seung
When 3D electron microscopy and calcium imaging are used to investigate the structure and function of neural circuits, the resulting datasets pose new challenges of visualization and interpretation. Here, we present a new kind of digital resource that encompasses almost 400 ganglion cells from a single patch of mouse retina. An online "museum" provides a 3D interactive view of each cell's anatomy, as well as graphs of its visual responses. The resource reveals two aspects of the retina's inner plexiform layer: an arbor segregation principle governing structure along the light axis and a density conservation principle governing structure in the tangential plane...
May 17, 2018: Cell
https://www.readbyqxmd.com/read/29774830/frequent-implication-of-multistress-tolerant-campylobacter-jejuni-in-human-infections
#18
Euna Oh, Linda Chui, Junghee Bae, Vincent Li, Angela Ma, Steven K Mutschall, Eduardo N Taboada, Lynn M McMullen, Byeonghwa Jeon
Campylobacter jejuni, a major cause of bacterial foodborne illnesses, is considered highly susceptible to environmental stresses. In this study, we extensively investigated the stress tolerance of 121 clinical strains of C. jejuni against 5 stress conditions (aerobic stress, disinfectant exposure, freeze-thaw, heat treatment, and osmotic stress) that this pathogenic bacterium might encounter during foodborne transmission to humans. In contrast to our current perception about high stress sensitivity of C. jejuni, a number of clinical strains of C...
June 2018: Emerging Infectious Diseases
https://www.readbyqxmd.com/read/29774697/effect-of-adenotonsillectomy-on-attention-in-korean-children-with-sleep-disordered-breathing
#19
Min Jae Kim, Sung Hee Bae, Sung Min Lee, Kang Hyun Lee, Dong-Kyu Kim
Objectives.: Pediatric sleep-disordered breathing (SDB) is a common debilitating disorder that can adversely affect the attention and academic performance of school-age children. Unfortunately, only a few studies have examined the effect of SDB treatment on attention in pediatric populations. Therefore, the aim of this study was to prospectively investigate the effect of SDB treatment on attention in children. Methods.: This study consecutively enrolled SDB children with adenotonsillar hypertrophy...
May 18, 2018: Clinical and Experimental Otorhinolaryngology
https://www.readbyqxmd.com/read/29774670/corrigendum-improvement-of-persistent-detrusor-overactivity-through-treatment-with-a-phytotherapeutic-agent-wsy-1075-after-relief-of-bladder-outlet-obstruction
#20
Su Jin Kim, Seung Hwan Jeon, Eun Bi Kwon, Hyun Cheol Jeong, Sae Woong Choi, Woong Jin Bae, Hyuk Jin Cho, U Syn Ha, Sung Hoo Hong, Ji Youl Lee, Sung Yeoun Hwang, Sae Woong Kim
This corrects the article on p. 153 in vol. 36, PMID: 29076300.
May 16, 2018: World Journal of Men's Health
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