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Seung Jae Lee, Eun-Mi Jeong, Ah Young Ki, Kyung-Seo Oh, Joseph Kwon, Jae-Hyuk Jeong, Nam-Jin Chung
High salinity is a major abiotic stress that affects the growth and development of plants. This type of stress can influence flowering, the production of crops, defense mechanisms and other physiological processes. Previous studies have attempted to elucidate salt-tolerance mechanisms to improve plant growth and productivity in the presence of sodium chloride. One such plant that has been studied in detail is Salicornia, a well-known halophyte, which has adapted to grow in the presence of high salt. To further the understanding of how Salicornia grows and develops under high saline conditions, Salicornia herbacea (S...
September 29, 2016: Journal of Plant Physiology
Chansik An, Hyungjin Rhee, Kyunghwa Han, Jin-Young Choi, Young-Nyun Park, Mi-Suk Park, Myeong-Jin Kim, Sumi Park
OBJECTIVES: To examine the added value of considering smooth hypointense rim in the hepatobiliary phase (HBP) of gadoxetic acid-enhanced MRI as capsule appearance for diagnosing tumour capsules and hepatocellular carcinoma (HCC). METHODS: A total of 377 hepatic lesions (330 HCCs, 35 non-HCC malignancies and 12 benign) were included from 345 patients who underwent resection after MRI between January 2008 and December 2011. Two radiologists assessed the presence or absence of conventional capsule appearance and smooth hypointense rim in the HBP, and categorized each hepatic lesion according to the Liver Imaging Reporting and Data System...
October 21, 2016: European Radiology
Mustafa Topuz, Fahrettin Oz, Oguz Akkus, Omer Sen, Ayse Nur Topuz, Atilla Bulut, Suleyman Ozbicer, Sefa Okar, Mevlut Koc, Mustafa Gur
OBJECTIVE: We aimed to investigate the compliance of plasma apelin-12 levels to show angiographic properties and hospital MACE in patients with ST-elevation myocardial infarction (STEMI) undergoing primary percutaneous coronary intervention (PCI). MATERIAL AND METHODS: The association of apelin-12 levels with the N/L ratio on admission was assessed in 170 consecutive patients with primary STEMI undergoing primary PCI. All patient SYNTAX scores and thrombolysis in myocardial infarction (TIMI) flow grades were also assessed...
October 20, 2016: Perfusion
Gyeung Mi Seon, Mi Hee Lee, Byeong-Ju Kwon, Min Sung Kim, Min-Ah Koo, Dohyun Kim, Young Seomun, Jong-Tak Kim, Jong-Chul Park
: Although a number of natural materials have been used as hemostatic agents, many substances do not act quickly enough. Here, we created a novel dressings using collagen and chitosan with recombinant batroxobin (r-Bat) to promote faster and more effective hemostasis. We hypothesized that r-Bat would promote synergetic blood coagulation because it contains a blood coagulation active site different than those of collagen and chitosan. Our results suggest that each substances can maintain hemostatic properties while in the mixed dressings and that our novel hemostatic dressings promotes potent control of bleeding, as demonstrated by a whole blood assay and rat hemorrhage model...
October 18, 2016: Acta Biomaterialia
Anne-Maree Kelly, Sharon Klim
BACKGROUND: To determine the rate of all cause and cardiac death, new myocardial infarction (MI) or coronary revascularisation at over three years from index visit in emergency department chest pain patients without known coronary artery disease (CAD) at index presentation who had a negative electrocardiogram (ECG) and biomarker workup for acute coronary syndrome (ACS). METHODS: An unplanned sub-study of a prospective observational study of consecutive adult patients presenting to the ED with atraumatic chest pain (or equivalents)...
September 13, 2016: Heart, Lung & Circulation
Ra-Yeong Choi, Ju Ri Ham, Mi-Kyung Lee
This study investigated the effects and mechanism of esculetin (6,7-dihydroxycoumarin) on non-alcoholic fatty liver in diabetic mice fed high-fat diet (HFD). The diabetic mice model was induced by injection of streptozotocin, after which they were fed HFD diet with or without esculetin for 11 weeks. Non-diabetic mice were provided a normal diet. Diabetes induced hepatic hypertrophy, lipid accumulation and droplets; however, esculetin reversed these changes. Esculetin treatment in diabetic mice fed HFD significantly down-regulated expression of lipid synthesis genes (Fasn, Dgat2 and Pap) and inflammation genes (Tlr4, Myd88, Nfkb, Tnfα and Il6)...
October 18, 2016: Chemico-biological Interactions
Vanessa D Ortiz, Alexandre L de Castro, Cristina Campos, Rafael O Fernandes, Jéssica H P Bonetto, Rafaela Siqueira, Adriana Conzatti, Tânia R G Fernandes, Adriane Belló-Klein, Alex S R Araujo
Studies have shown a cardioprotective role of thyroid hormones (THs) in cardiac remodeling after acute myocardial infarction (MI). However, there is no data in the literature examining the influence of TH administration on the aortic tissue in an animal model of MI. This study aimed to evaluate the effects of thyroid hormones on the aorta after MI. Male Wistar rats were divided into a sham group (SHAM), infarcted group (AMI), sham+TH (SHAMT) and AMI+TH (AMIT). After MI, the animals received T3 and T4 (2 and 8μg/100g/day, respectively) by oral gavage for 12 days...
October 18, 2016: European Journal of Pharmacology
S Gueli Alletti, M Petrillo, G Vizzielli, C Bottoni, F Nardelli, B Costantini, L Quagliozzi, V Gallotta, G Scambia, A Fagotti
OBJECTIVE: To further investigate the role of MIS comparing patients submitted to MI-IDS with a balanced population treated by standard laparotomy. METHODS: The investigational arm (Cases) includes 30 AEOC patients treated with MI-IDS. The Control arm included a consecutive series of 65 AEOC patients submitted to laparotomic IDS. Inclusion criteria were: age>18years, histologically proven EOC, clinical complete/partial response after NACT, and ECOG PS <2. Preoperative clinical data, perioperative and oncological outcomes were analyzed...
October 18, 2016: Gynecologic Oncology
Eiji Matsuura, Yoshimi Enose-Akahata, Karen Yao, Unsong Oh, Yuetsu Tanaka, Hiroshi Takashima, Steven Jacobson
Pathology of HTLV-1 associated myelopathy/Tropical spastic paraparesis (HAM/TSP) is believed to be the result of "bystander damage" involving effector CD8 (+) T lymphocytes (CTLs) killing of virus infected cells. But the specific cellular events leading up to tissue injury are still unclear. Here, we developed the Microscopy Imaging of Cytotoxic T lymphocyte assay with Fluorescence emission (MI-CaFé), an optimized visualization analysis to explore the interactions between CTLs and virus infected or viral antigen presenting target cells...
October 3, 2016: Journal of Neuroimmunology
Hassol Lim, Young-Mi Park, Jong-Keuk Lee, Hyun Taek Lim
OBJECTIVE: To present an efficient and successful application of a single-exome sequencing study in a family clinically diagnosed with X-linked retinitis pigmentosa. DESIGN: Exome sequencing study based on clinical examination data. PARTICIPANTS: An 8-year-old proband and his family. METHODS: The proband and his family members underwent comprehensive ophthalmologic examinations. Exome sequencing was undertaken in the proband using Agilent SureSelect Human All Exon Kit and Illumina HiSeq 2000 platform...
October 2016: Canadian Journal of Ophthalmology. Journal Canadien D'ophtalmologie
Birga Maier, Katrin Wagner, Steffen Behrens, Leonhard Bruch, Reinhard Busse, Dagmar Schmidt, Helmut Schühlen, Roland Thieme, Heinz Theres
BACKGROUND: Assessment of quality of care in patients with myocardial infarction (MI) should be based on data that effectively enable determination of quality. With the need to simplify measurement techniques, the question arises whether routine data can be used for this purpose. We therefore compared data from a German sickness fund (AOK) with data from the Berlin Myocardial Infarction Registry (BMIR). METHODS: We included patients hospitalised for treatment of MI in Berlin from 2009-2011...
October 21, 2016: BMC Health Services Research
Jongho Jeon, Ha Eun Shim, Sajid Mushtaq, Mi Hee Choi, Sang Hyun Park, Dae Seong Choi, Beom-Su Jang
Here, we demonstrate a detailed protocol for the radiosynthesis of a (125)I-labeled azide prosthetic group and its application to the efficient radiolabeling of DBCO-group-functionalized gold nanoparticles using a copper-free click reaction. Radioiodination of the stannylated precursor (2) was carried out by using [(125)I]NaI and chloramine T as an oxidant at room temperature for 15 min. After HPLC purification of the crude product, the purified (125)I-labeled azide (1) was obtained with high radiochemical yield (75 ± 10%, n = 8) and excellent radiochemical purity (>99%)...
October 10, 2016: Journal of Visualized Experiments: JoVE
Jong Hwan Jung, Yoon Jung Chae, Dong Hwan Lee, Young I Cho, Mi Mi Ko, Sung Kwang Park, Won Kim
Whole blood viscosity (WBV) plays a role in hemorheology and is determined by many factors such as red blood cell factors, plasma protein and blood volume. As WBV changes during hemodialysis, mortality may be due to changes in WBV in patients on hemodialysis. However, there are few prospective data on the relationship between changes in WBV and overall mortality in dialysis patients. We tried to investigate the correlations between values of WBV at variable shear rates before and after hemodialysis and overall or atherosclerosis-related mortality in patients with end-stage kidney disease...
October 20, 2016: Clinical Hemorheology and Microcirculation
Yu Mi Wi, Hye In Woo, Dahee Park, Keun Hwa Lee, Cheol-In Kang, Doo Ryeon Chung, Kyong Ran Peck, Jae-Hoon Song
To determine prevalence of severe fever with thrombocytopenia syndrome in South Korea, we examined serum samples from patients with fever and insect bite history in scrub typhus-endemic areas. During the 2013 scrub typhus season, prevalence of this syndrome among patients suspected of having scrub typhus was high (23.0%), suggesting possible co-infection.
November 2016: Emerging Infectious Diseases
Shin Yup Lee, Cheng Cheng Jin, Jin Eun Choi, Mi Jeong Hong, Deuk Kju Jung, Sook Kyung Do, Sun Ah Baek, Hyo Jung Kang, Hyo-Gyoung Kang, Sun Ha Choi, Won Kee Lee, Yangki Seok, Eung Bae Lee, Ji Yun Jeong, Kyung Min Shin, Sukki Cho, Seung Soo Yoo, Jaehee Lee, Seung Ick Cha, Chang Ho Kim, You Mie Lee, In-Kyu Lee, Sanghoon Jheon, Jae Yong Park
This study was conducted to investigate whether polymorphisms of genes involved in glycolysis are associated with the prognosis of patients with non-small cell lung cancer (NSCLC) after surgical resection. Forty-four single nucleotide polymorphisms (SNPs) of 17 genes in glycolytic pathway were investigated in a total of 782 patients with NSCLC who underwent curative surgical resection. The association of the SNPs with overall survival (OS) and disease free survival (DFS) were analyzed. Among the 44 SNPs investigated, four SNPs (ENO1 rs2274971A > G, PFKM rs11168417C > T, PFKP rs1132173C > T, PDK2 rs3785921G > A) were significantly associated with survival outcomes in multivariate analyses...
October 21, 2016: Scientific Reports
Sher Bahadur Poudel, Govinda Bhattarai, Jae-Hwan Kim, Sung-Ho Kook, Young-Kwon Seo, Young-Mi Jeon, Jeong-Chae Lee
Fibroblast growth factor 7 (FGF7) plays an important role in regulating the proliferation, migration, and differentiation of cells. However, the role of FGF7 in bone formation is not yet fully understood. We examined the effect of FGF7 on bone formation using a rat model of mandible defects. Rats underwent mandible defect surgery and then either scaffold treatment alone (control group) or FGF7-impregnated scaffold treatment (FGF7 group). Micro-CT and histological analyses revealed that the FGF7 group exhibited greater bone formation than did the control group 10 weeks after surgery...
October 20, 2016: Journal of Bone and Mineral Metabolism
Na Han, You Jeong Kim, Su Min Park, Seung Man Kim, Ji Suk Lee, Hye Sook Jung, Eun Ju Lee, Tae Kyoon Kim, Tae Nyun Kim, Min Jeong Kwon, Soon Hee Lee, Mi-Kyung Kim, Byoung Doo Rhee, Jeong Hyun Park
BACKGROUND: Cognitive impairment and brain damage in diabetes is suggested to be associated with hypoglycemia. The mechanisms of hypoglycemia-induced neural death and apoptosis are not clear and reperfusion injury may be involved. Recent studies show that glucose deprivation/reperfusion induced more neuronal cell death than glucose deprivation itself. The forkhead box O (FOXO) transcription factors are implicated in the regulation of cell apoptosis and survival, but their role in neuronal cells remains unclear...
October 2016: Diabetes & Metabolism Journal
Catherine S Hubbard, Lino Becerra, Jonathan H Smith, Justin M DeLange, Ryan M Smith, David F Black, Kirk M Welker, Rami Burstein, Fred M Cutrer, David Borsook
The aim of this study was to identify structural and functional brain changes that accompanied the transition from chronic (CM; ≥15 headache days/month) to episodic (EM; <15 headache days/month) migraine following prophylactic treatment with onabotulinumtoxinA (BoNT-A). Specifically, we examined whether CM patients responsive to prophylaxis (responders; n = 11), as evidenced by a reversal in disease status (defined by at least a 50% reduction in migraine frequency and <15 headache days/month), compared to CM patients whose migraine frequency remained unchanged (non-responders; n = 12), showed differences in cortical thickness using surface-based morphometry...
2016: Frontiers in Human Neuroscience
Eun Ho Kim, Mi-Sook Kim, Kyung-Hee Lee, Jae-Soo Koh, Won-Gyun Jung, Chang-Bae Kong
To overcome radioresistance in the treatment of osteosarcoma, a primary malignant tumor of the bone, radiotherapy is generally combined with radiosensitizers. The purpose of this study was to investigate a third-generation bisphosphonate, zoledronic acid (ZOL), as a radiosensitizer for osteosarcoma. We found that exposure of KHOS/NP osteosarcoma cells to 20 μM ZOL decreased the γ-radiation dose needed to kill 90% of cells. This radiosensitizing effect of ZOL was mediated through decreased mitochondrial membrane potential, increased levels of reactive oxygen species, increased DNA damage (as assessed by counting γ-H2AX foci), decreased abundance of proteins involved in DNA repair pathways (ATR, Rad52, and DNA-PKcs), and decreased phosphorylation of PI3K-Akt and MAPK pathway proteins (Raf1, MEK1/2, ERK1/2, and Akt), as compared to γ-irradiation alone...
September 27, 2016: Oncotarget
Jianfeng Lu, Donna McEachern, Shunqiang Li, Matthew J Ellis, Shaomeng Wang
Endocrine therapy has been highly effective for the treatment of estrogen-receptor positive breast cancer, but endocrine resistance develops in a significant proportion of patients. In an effort to develop novel therapeutic strategies for the treatment of endocrine resistant breast cancer, we have evaluated a potent and specific MDM2-p53 interaction inhibitor, MI-77301, which has been advanced into clinical development, for its therapeutic potential and mechanism of action in vitro and in vivo in WHIM9 and WHIM18 patient-derived xenograft (PDX) models...
October 7, 2016: Molecular Cancer Therapeutics
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