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https://www.readbyqxmd.com/read/28736174/effects-of-cigarette-smoke-extracts-on-cell-cycle-cell-migration-and-endocrine-activity-in-human-placental-cells
#1
Cho-Won Kim, Hae-Miru Lee, Kyuhong Lee, Bumseok Kim, Moo-Yeol Lee, Kyung-Chul Choi
Maternal smoking during pregnancy is known to be related to adverse pregnancy results associated with trophoblast proliferation and cell cycle progression. Moreover, many previous studies have shown that cigarette smoke is correlated with human chorionic gonadotropin beta (hCG-β) subunit produced from syncytiotrophoblasts during pregnancy. Thus, we further investigated whether cigarette smoke extract (CSE) affects the cell proliferation, migration and endocrine hormone activity of JEG-3 human placental cancer cells...
July 20, 2017: Reproductive Toxicology
https://www.readbyqxmd.com/read/28735766/risk-factor-analysis-for-predicting-vertebral-body-re-collapse-after-posterior-instrumented-fusion-in-thoracolumbar-burst-fracture
#2
Hae-Dong Jang, Jae Chul Lee, Jae-Wan Soh, Sung-Woo Choi, Hyeung-Kyu Cho, Byung-Joon Shin
BACKGROUND CONTEXT: In the posterior instrumented fusion surgery for thoracolumbar (T-L) burst fracture, early postoperative re-collapse of well-reduced vertebral body fracture could induces critical complications such as correction loss, post-traumatic kyphosis, metal failure, often lead to revision surgery. Furthermore, re-collapse is quite difficult to predict because of the variety of risk factors and no widely accepted accurate prediction systems existed. Although load sharing classification (LSC) has been known to help to decide the need for additional anterior column support, this radiographic scoring system has several critical limitations...
July 20, 2017: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/28734660/efficacy-and-tolerability-of-combination-therapy-versus-monotherapy-with-candesartan-and-or-amlodipine-for-dose-finding-in-essential-hypertension-a-phase-ii-multicenter-randomized-double-blind-clinical-trial
#3
Il Suk Sohn, Chong-Jin Kim, Taehoon Ahn, Ho-Joong Youn, Hui-Kyung Jeon, Sang Hyun Ihm, Eun Joo Cho, Woo-Baek Chung, Shung Chull Chae, Woo-Shik Kim, Chang-Wook Nam, Seong-Mi Park, Ji-Yong Choi, Young-Kwon Kim, Taek-Jong Hong, Hae-Young Lee, Jang-Hyun Cho, Eun-Seok Shin, Jung-Han Yoon, Tae-Hyun Yang, Myung-Ho Jeong, Jun-Hee Lee, Joong-Il Park
PURPOSE: Intensive blood pressure (BP) lowering is important for the treatment of hypertension; however, it has been a challenge to achieve target BP in many patients. The purpose of this study was to explore the optimal dosage of a fixed-dose combination of candesartan cilexetil (CAN) and amlodipine besylate (AML), by examining the tolerability and efficacy of CAN/AML combination therapy compared with those of monotherapy with either drug in patients with essential hypertension. METHODS: This Phase II multicenter, randomized, double-blind clinical trial enrolled patients aged 19 years or older with essential hypertension, defined as a mean sitting diastolic BP (msDBP) between 95 and 115 mm Hg, and a mean sitting systolic BP (msSBP) of <200 mm Hg after a 2-week placebo run-in period...
July 19, 2017: Clinical Therapeutics
https://www.readbyqxmd.com/read/28733620/adaptive-evolution-of-a-hyperthermophilic-archaeon-pinpoints-a-formate-transporter-as-a-critical-factor-for-the-growth-enhancement-on-formate
#4
Hae-Chang Jung, Seong Hyuk Lee, Sung-Mok Lee, Young Jun An, Jung-Hyun Lee, Hyun Sook Lee, Sung Gyun Kang
Previously, we reported that the hyperthermophilic archaeon Thermococcus onnurineus NA1 could grow on formate and produce H2. Formate conversion to hydrogen was mediated by a formate-hydrogen lyase complex and was indeed a part of chemiosmotic coupling to ATP generation. In this study, we employed an adaptation approach to enhance the cell growth on formate and investigated molecular changes. As serial transfer continued on formate-containing medium at the serum vial, cell growth, H2 production and formate consumption increased remarkably...
July 21, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28733027/isolation-and-characterization-of-metabolites-from-bacillus-licheniformis-mh48-with-antifungal-activity-against-plant-pathogens
#5
Min-Hae Jeong, Yong-Seong Lee, Jeong-Yong Cho, Young-Sang Ahn, Jae-Hak Moon, Hae-Nam Hyun, Gyu-Suk Cha, Kil-Yong Kim
In this study, we isolated Bacillus licheniformis MH48 from rhizosphere soil and demonstrated that this strain shows significant antifungal activity against Rhizoctonia solani, Colletotrichum gloeosporioides, and Phytophthora capsici. Our results showed that a 50% concentration of bacterial cell-free culture filtrate of B. licheniformis MH48 shows strong activity against fungal pathogens. Benzoic acid produced by B. licheniformis MH48 was purified by various chromatographic techniques and identified by nuclear magnetic resonance and gas chromatography-mass spectrometry analysis...
July 18, 2017: Microbial Pathogenesis
https://www.readbyqxmd.com/read/28731515/analysis-of-structure-function-network-decoupling-in-the-brain-systems-of-spastic-diplegic-cerebral-palsy
#6
Dongha Lee, Chongwon Pae, Jong Doo Lee, Eun Sook Park, Sung-Rae Cho, Min-Hee Um, Seung-Koo Lee, Maeng-Keun Oh, Hae-Jeong Park
Manifestation of the functionalities from the structural brain network is becoming increasingly important to understand a brain disease. With the aim of investigating the differential structure-function couplings according to network systems, we investigated the structural and functional brain networks of patients with spastic diplegic cerebral palsy with periventricular leukomalacia compared to healthy controls. The structural and functional networks of the whole brain and motor system, constructed using deterministic and probabilistic tractography of diffusion tensor magnetic resonance images and Pearson and partial correlation analyses of resting-state functional magnetic resonance images, showed differential embedding of functional networks in the structural networks in patients...
July 21, 2017: Human Brain Mapping
https://www.readbyqxmd.com/read/28731136/mhy451-induces-cell-cycle-arrest-and-apoptosis-by-ros-generation-in-hct116-human-colorectal-cancer-cells
#7
Na Lam Hwang, Yong Jung Kang, Bokyung Sung, Seong Yeon Hwang, Jung Yoon Jang, Hye Jin Oh, Yu Ra Ahn, Do Hyun Kim, Su Jeong Kim, Sultan Ullah, Mohammad Akbar Hossain, Hyung Ryong Moon, Hae Young Chung, Nam Deuk Kim
Colorectal cancer (CRC) is the third most frequently diagnosed cancer and cause of cancer-related deaths. Despite advancements in conventional therapeutic approaches to CRC, most patients with CRC die of their disease. There is a need to develop novel therapeutic agents for this malignancy. Therefore, the present study aimed to examine the anticancer effects and elucidate the underlying mechanism of MHY451 in HCT116 human colorectal cancer cells. Treatment with MHY451 inhibited cell growth in a time- and concentration-dependent manner...
July 18, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28731103/hollow-and-microporous-triphenylamine-networks-post-modified-with-tcne-for-enhanced-organocathode-performance
#8
Jaewon Choi, Eui Soon Kim, Ju Hong Ko, Sang Moon Lee, Hae Jin Kim, Yoon-Joo Ko, Seung Uk Son
Hollow microporous triphenylamine networks (H-MTPN) were post-modified with tetracyanoethylene (TCNE) to generate tetracyanobutadiene moieties in H-MTPN-TCNE. The H-MTPN-TCNE showed the improved electrochemical performance of cathode materials for lithium ion batteries, compared to the original H-MTPN.
July 21, 2017: Chemical Communications: Chem Comm
https://www.readbyqxmd.com/read/28730909/dramatic-response-of-acute-disseminated-intravascular-coagulation-to-erlotinib-in-a-patient-with-lung-adenocarcinoma-with-activating-egfr-mutation
#9
Jung Soo Kim, Jeong-Seon Ryu, Sang Hoon Jeon, Hyun-Jung Kim, Hae-Seong Nam, Jae Hwa Cho, Seung Min Kwak, Hong Lyeol Lee
Disseminated intravascular coagulation (DIC) is a commonly encountered clinical situation characterized by thrombotic occlusion or bleeding in patients with lung cancer. DIC in patients with cancer is usually asymptomatic, taking a chronic form as a compensatory mechanism. Although acute DIC in patients with lung cancer is rarely reported, it can be fatal. We herein describe a patient with lung adenocarcinoma with an activating mutation of the epidermal growth factor receptor (EGFR) gene who developed acute DIC after minor surgical excision...
January 1, 2017: Journal of International Medical Research
https://www.readbyqxmd.com/read/28730137/pediatric-mycoplasma-pneumoniae-infection-presenting-with-acute-cholestatic-hepatitis-and-other-extrapulmonary-manifestations-in-the-absence-of-pneumonia
#10
Won Jae Song, Ben Kang, Hwa Pyung Lee, Joongbum Cho, Hae Jeong Lee, Yon Ho Choe
Mycoplasma pneumoniae infections mainly involve respiratory tract; however, also can manifestate other symptoms by site involved. Extrapulmonary manifestations of M. pneumoniae infection are rarely known to occur without pneumonia. Herein we report a case of a 9-year-old boy who presented with acute cholestatic hepatitis in the absence of pneumonia. Rhabdomyolysis, skin rash, and initial laboratory results suspicious of disseminated intravascular coagulopathy were also observed in this patient. M. pneumoniae infection was identified by a 4-fold increase in immunoglobulin G antibodies to M...
June 2017: Pediatric Gastroenterology, Hepatology & Nutrition
https://www.readbyqxmd.com/read/28728854/potential-use-of-american-college-of-radiology-bi-rads-mammography-atlas-for-reporting-and-assessing-lesions-detected-on-dedicated-breast-ct-imaging-preliminary-study
#11
Hae Kyoung Jung, Cherie M Kuzmiak, Keum Won Kim, Na Mi Choi, Hye Jeong Kim, Eun Lee Langman, Sora Yoon, Doreen Steen, Donglin Zeng, Fei Gao
RATIONALE AND OBJECTIVES: Dedicated breast computed tomography (DBCT) is an emerging and promising modality for breast lesions. The objective of this study was to evaluate the potential use of applying the BI-RADS Mammography Atlas 5th Edition for reporting and assessing breast lesions on DBCT. Currently, no atlas exists for DBCT. MATERIALS AND METHODS: Four radiologists trained in breast imaging were recruited in this institutional review board-approved, Health Insurance Portability and Accountability Act-compliant study...
July 17, 2017: Academic Radiology
https://www.readbyqxmd.com/read/28728407/effects-of-cooking-method-and-final-core-temperature-on-cooking-loss-lipid-oxidation-nucleotide-related-compounds-and-aroma-volatiles-of-hanwoo-brisket
#12
Dicky Tri Utama, Ki Ho Baek, Hae Seong Jeong, Seok Ki Yoon, Seon-Tea Joo, Sung Ki Lee
Objective: This study was performed to observe the effects of cooking method and final core temperature on cooking loss, lipid oxidation, aroma volatiles, nucleotide-related compounds and aroma volatiles of Hanwoo brisket (deep pectoralis). Methods: Deep pectoralis muscles (8.65% of crude fat) were obtained from three Hanwoo steer carcasses with 1+ quality grade. Samples were either oven-roasted at 180°C (dry heat) or cooked in boiling water (moist heat) to final core temperature of 70°C (medium) or 77°C (well-done)...
July 6, 2017: Asian-Australasian Journal of Animal Sciences
https://www.readbyqxmd.com/read/28727999/drug-ion-co-delivery-multi-functional-nanocarrier-to-regenerate-infected-tissue-defect
#13
Jung-Hwan Lee, Ahmed El-Fiqi, Nandin Mandakhbayar, Hae-Hyoung Lee, Hae-Won Kim
Regeneration of infected tissues is a globally challenging issue in medicine and dentistry. Common clinical therapies involving a complete removal of infected areas together with a treatment of antimicrobial drugs are often suboptimal. Biomaterials with anti-bacterial and pro-regenerative potential can offer a solution to this. Here we design a novel nanocarrier based on a mesoporous silicate-calcium glass by doping with Ag ions and simultaneously loading antimicrobial drugs onto mesopores. The nanocarriers could controllably release multiple ions (silver, calcium, and silicate) and drugs (tetracycline or chlorohexidine) to levels therapeutically relevant, and effectively internalize to human dental stem cells (∼90%) with excellent viability, ultimately stimulating odontogenic differentiation...
July 12, 2017: Biomaterials
https://www.readbyqxmd.com/read/28725046/the-location-of-the-deepest-point-of-the-eyeball-determines-the-optic-disc-configuration
#14
Yong Chan Kim, Younhea Jung, Hae-Young Lopilly Park, Chan Kee Park
Tilted and rotated appearances are hallmarks of the myopic optic disc. As the eyeball grows axially, the posterior pole elongates not only globally but in a localized manner as well. In this process, the optic disc is pulled towards the deepest point of the elongated eyeball, which might result in a change in optic disc configuration. Thus, we hypothesized that analyzing the variation of posterior pole contour can play a major role in understanding optic disc configuration in myopic subjects. By analyzing consecutive images of swept source OCT coronal sections at the posterior pole, the deepest interface between Bruch's membrane and the choroid could be identified as the deepest point of the eyeball (DPE)...
July 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28724321/diospyros-kaki-calyx-inhibits-immediate-type-hypersensitivity-via-the-reduction-of-mast-cell-activation
#15
Min-Jong Kim, Hae Ran Park, Tae-Yong Shin, Sang-Hyun Kim
CONTEXT: Diospyros kaki L. (Ebenaceae) fruit is widely distributed in Asia and is known to exert anti-inflammatory and antithrombotic effects. OBJECTIVE: We evaluated the inhibitory effect of aqueous extract of D. kaki calyx (AEDKC) on mast cell-mediated immediate-type hypersensitivity and underlying mechanism of action. MATERIALS AND METHODS: For in vivo, ovalbumin (OVA)-induced active systemic anaphylaxis (ASA) and immunoglobulin (Ig) E-mediated passive cutaneous anaphylaxis (PCA) models were used...
December 2017: Pharmaceutical Biology
https://www.readbyqxmd.com/read/28724115/the-efficacy-of-a-gain-switched-311-nm-titanium-sapphire-laser-in-the-treatment-of-vitiligo-a-pilot-study-of-14-patients
#16
Jung Min Bae, Ji Hae Lee, Yu Seok Jung, Gyong Moon Kim
No abstract text is available yet for this article.
July 19, 2017: JAMA Dermatology
https://www.readbyqxmd.com/read/28723795/comparison-of-postoperative-pain-between-laparoscopic-and-robot-assisted-partial-nephrectomies-for-renal-tumors-a-propensity-score-matching-analysis
#17
Seok-Joon Jin, Jun-Young Park, Doo-Hwan Kim, Syn-Hae Yoon, Eunkyul Kim, Jai-Hyun Hwang, Cheryn Song, Young-Kug Kim
Robot-assisted partial nephrectomy (RAPN) has emerged as an alternative to laparoscopic partial nephrectomy (LPN) for removal of renal tumors. Several advantages of robotic surgery have been reported, but there is no comparative study on postoperative pain between the 2 techniques. Therefore, we compared the postoperative numerical rating scale (NRS) of pain intensity between patients who underwent LPN and those who underwent RAPN.We included 705 patients who underwent either LPN (n = 200) or RAPN (n = 505) for renal tumors between January 2000 and September 2016...
July 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28723741/characterization-of-small-%C3%A2-3%C3%A2-cm-hepatic-lesions-with-atypical-enhancement-feature-and-hypointensity-in-hepatobiliary-phase-of-gadoxetic-acid-enhanced-mri-in-cirrhosis-a-stard-compliant-article
#18
Seung Kak Shin, Yun Soo Kim, Seung Joon Choi, Young Sup Shim, Dong Hae Jung, Oh Sang Kwon, Duck Joo Choi, Ju Hyun Kim
It is difficult to characterize the nodular lesions in cirrhotic liver if typical enhancement pattern is not present on dynamic contrast-enhanced imagings. Although the signal intensity of the hepatobiliary phase in gadoxetic acid-enhanced magnetic resonance imaging (MRI) is helpful for characterization of the lesions, some dysplastic nodules may also exhibit low signal intensity in the hepatobiliary phase. We aimed to assess the usefulness of gadoxetic acid (Gd-EOB-DTPA)-enhanced MRI including diffusion-weighted imaging (DWI) for differentiation between atypical small hepatocellular carcinomas (HCCs) and dysplastic nodules showing low signal intensity (SI) in the hepatobiliary phase, and to evaluate the MRI findings in determining the histological grade of atypical HCCs in patients with cirrhosis...
July 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28722426/tunable-volatile-organic-compound-sensor-by-using-au-nanoparticle-incorporation-on-mos2
#19
Soo-Yeon Cho, Hyeong-Jun Koh, Hae-Wook Yoo, Jong-Seon Kim, Hee-Tae Jung
Controlling the charge concentrations of two-dimensional (2D) materials is a critical requirement for realizing versatility and potential application of these materials in high-performance electronics and sensors. In order to exploit the novel chemical-sensing characteristics of 2D materials for sensitive and selective sensors, various functionalization methods are needed to ensure efficient doping of channels based on 2D materials. In the present study, the gas-sensing performance of MoS2 has been significantly enhanced by controlled Au nanoparticle functionalization...
January 27, 2017: ACS Sensors
https://www.readbyqxmd.com/read/28722333/xiap-inhibitor-embelin-induces-autophagic-and-apoptotic-cell-death-in-human-oral-squamous-cell-carcinoma-cells
#20
You-Jin Lee, Bong-Soo Park, Hae-Ryoun Park, Su-Bin Yu, Hae-Mi Kang, In-Ryoung Kim
Embelin is an active ingredient of traditional herbal remedies for cancer and other diseases. Recently, it has been suggested that autophagy may play an important role in cancer therapy. However, little data are available regarding the role of autophagy in oral cancers. Therefore, we conducted this study to examine whether Embelin modulates autophagy in Ca9-22. Our results showed that Embelin had anticancer activity against the Ca9-22 human tongue squamous cell, and we observed that autophagic vacuoles were formed by MDC and AO...
July 19, 2017: Environmental Toxicology
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