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Won Jae lee

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https://www.readbyqxmd.com/read/28211310/morphologic-and-doppler-findings-from-hepatic-ultrasonography-of-normal-cynomolgus-monkeys-macaca-fascicularis
#1
Kyo Won Lee Chan Woo Cho Ji Eun Lee Hyojun Park Gyu-Seong Choi Woo Kyoung Jeong Jae Berm Park And Sungjoo Kim
The present study evaluated the anatomic and ultrasonographic features of the liver in normal cynomolgus monkeys (Macacafascicularis). Healthy, male, cynomolgus monkeys from Cambodia (n = 25; mean age, 58.1 mo) were sedated with ketamine (7mg/kg) and examined by using 2D and Doppler ultrasonography. We measured the diameters of the vascular structures and bile duct, determined the velocities of the hepatic artery and portal vein, and calculated the resistance index of the hepatic artery. Vessel diameters were: proper hepatic artery, 1...
February 16, 2017: Journal of the American Association for Laboratory Animal Science: JAALAS
https://www.readbyqxmd.com/read/28210856/the-effect-of-metformin-on-the-recurrence-of-colorectal-adenoma-in-diabetic-patients-with-previous-colorectal-adenoma
#2
Min Seok Han, Hyun Jung Lee, Soo Jung Park, Sung Pil Hong, Jae Hee Cheon, Won Ho Kim, Tae Il Kim
PURPOSE: Existing studies suggest that metformin lowers the risk and mortality of colorectal cancer. However, the effect of metformin on the suppression and prevention of colorectal adenomas is not clear. The aim of this study was to evaluate the effect of metformin on the recurrence of colorectal adenoma in diabetic patients with previous colorectal adenoma. METHODS: Among 423 diabetic patients who underwent surveillance colonoscopy after resection of colorectal adenoma between 2005 and 2011, 257 patients were retrospectively reviewed...
February 16, 2017: International Journal of Colorectal Disease
https://www.readbyqxmd.com/read/28210087/prognostic-significance-of-the-neutrophil-to-lymphocyte-ratio-and-platelet-to-lymphocyte-ratio-in-patients-with-stage-iii-and-iv-colorectal-cancer
#3
Jae Hyun Kim, Jun Yeop Lee, Hae Koo Kim, Jin Wook Lee, Sung Gyu Jung, Kyoungwon Jung, Sung Eun Kim, Won Moon, Moo In Park, Seun Ja Park
AIM: To evaluate the prognostic value of the neutrophil-to-lymphocyte ratio (NLR) and platelet-to-lymphocyte ratio (PLR) in patients with colorectal cancer (CRC). METHODS: Between April 1996 and December 2010, medical records from a total of 1868 patients with CRC were retrospectively reviewed. The values of simple inflammatory markers including NLR and PLR in predicting the long-term outcomes of these patients were evaluated using Kaplan-Meier curves and Cox regression models...
January 21, 2017: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/28208001/predictive-factors-for-complete-response-and-recurrence-after-transarterial-chemoembolization-in-hepatocellular-carcinoma
#4
Shin Ok Jeong, Eui Bae Kim, Soung Won Jeong, Jae Young Jang, Sae Hwan Lee, Sang Gyune Kim, Sang Woo Cha, Young Seok Kim, Young Deok Cho, Hong Soo Kim, Boo Sung Kim, Yong Jae Kim, Dong Erk Goo, Su Yeon Park
Background/Aims: To investigate the predictive factors for complete response (CR) and recurrence after CR in patients with hepatocellular carcinoma (HCC) treated with transarterial chemoembolization (TACE). Methods: Among 691 newly diagnosed HCC patients, 287 were treated with TACE as a first therapy. We analyzed the predictive factors for CR, recurrence after CR, and overall survival (OS). Results: Eighty-one patients (28.2%) achieved CR after TACE, and recurrence after CR was detected in 35 patients (43...
February 17, 2017: Gut and Liver
https://www.readbyqxmd.com/read/28203536/clinical-outcomes-of-robotic-mitral-valve-repair-a-single-center-experience-in-korea
#5
Ho Jin Kim, Joon Bum Kim, Sung-Ho Jung, Jae Won Lee
BACKGROUND: Since the inception of robotic mitral valve repair (MV) in 2007 at our institution, it has become an acceptable surgical option with proven efficacy and safety. The objective of this study is to analyze the early and long-term clinical outcomes of patients undergoing robotic MV repair. METHODS: A total of 310 patients (aged 48.4±13.7 years, 201 males) undergoing robotic MV repair using the da Vinci system (Intuitive Surgical, Inc., Sunnyvale, CA) between August 2007 and December 2015 in our institution were evaluated...
January 2017: Annals of Cardiothoracic Surgery
https://www.readbyqxmd.com/read/28199352/nearest-shrunken-centroids-via-alternative-genewise-shrinkages
#6
Byeong Yeob Choi, Eric Bair, Jae Won Lee
Nearest shrunken centroids (NSC) is a popular classification method for microarray data. NSC calculates centroids for each class and "shrinks" the centroids toward 0 using soft thresholding. Future observations are then assigned to the class with the minimum distance between the observation and the (shrunken) centroid. Under certain conditions the soft shrinkage used by NSC is equivalent to a LASSO penalty. However, this penalty can produce biased estimates when the true coefficients are large. In addition, NSC ignores the fact that multiple measures of the same gene are likely to be related to one another...
2017: PloS One
https://www.readbyqxmd.com/read/28197542/the-proline-arginine-dipeptide-from-hexanucleotide-repeat-expanded-c9orf72-inhibits-the-proteasome
#7
Rahul Gupta, Matthews Lan, Jelena Mojsilovic-Petrovic, Won Hoon Choi, Nathaniel Safren, Sami Barmada, Min Jae Lee, Robert Kalb
An intronic hexanucleotide repeat expansion (HRE) mutation in the C9ORF72 gene is the most common cause of familial ALS and frontotemporal dementia (FTD) and is found in ∼7% of individuals with apparently sporadic disease. Several different diamino acid peptides can be generated from the HRE by noncanonical translation (repeat-associated non-ATG translation, or RAN translation), and some of these peptides can be toxic. Here, we studied the effects of two arginine containing RAN translation products [proline/arginine repeated 20 times (PR20) and glycine/arginine repeated 20 times (GR20)] in primary rat spinal cord neuron cultures grown on an astrocyte feeder layer...
January 2017: ENeuro
https://www.readbyqxmd.com/read/28197326/efficacy-of-carboxymethylcellulose-and-hyaluronate-in-dry-eye-disease-a-systematic-review-and-meta-analysis
#8
Jae Kyeong Song, Kiheon Lee, Hwa Yeon Park, Joon Young Hyon, Seung-Won Oh, Woo Kyung Bae, Jong-Soo Han, Se Young Jung, Yoo Jin Um, Ga-Hye Lee, Ji Hye Yang
BACKGROUND: The efficacy of two artificial tears, carboxymethylcellulose (CMC) and hyaluronate (HA), was compared in the treatment of patients with dry eye disease. METHODS: We conducted a systematic review and meta-analysis on randomized controlled trials in the PubMed, Embase, Cochrane Library, and ClinicalTrials.gov databases. The efficacy was compared in terms of the mean change from baseline in tear break-up time. The meta-analysis was conducted using both random and fixed effect models...
January 2017: Korean Journal of Family Medicine
https://www.readbyqxmd.com/read/28196413/alu-derived-alternative-splicing-events-specific-to-macaca-lineages-in-ctsf-gene
#9
Ja-Rang Lee, Sang-Je Park, Young-Hyun Kim, Se-Hee Choe, Hyeon-Mu Cho, Sang-Rae Lee, Sun-Uk Kim, Ji-Su Kim, Bo-Woong Sim, Bong-Seok Song, Kang-Jin Jeong, Youngjeon Lee, Yeung Bae Jin, Philyong Kang, Jae-Won Huh, Kyu-Tae Chang
Cathepsin F, which is encoded by CTSF, is a cysteine proteinase ubiquitously expressed in several tissues. In a previous study, novel transcripts of the CTSF gene were identified in the crab-eating monkey deriving from the integration of an Alu element-AluYRa1. The occurrence of AluYRa1-derived alternative transcripts and the mechanism of exonization events in the CTSF gene of human, rhesus monkey, and crabeating monkey were investigated using PCR and reverse transcription PCR on the genomic DNA and cDNA isolated from several tissues...
February 14, 2017: Molecules and Cells
https://www.readbyqxmd.com/read/28195999/clinical-significance-of-arterial-stiffness-and-metabolic-syndrome-scores-in-vestibular-neuritis
#10
Jae Ho Chung, Seung Hwan Lee, Chul Won Park, Jin Hyeok Jeong, Jeong-Hun Shin
OBJECTIVE: To investigate the clinical significance of cardiovascular factors, including arterial stiffness and metabolic syndrome scores, in the development of vestibular neuritis. STUDY DESIGN: A prospective, case-control study. SETTING: Tertiary referral center. PATIENTS: Fifty-eight adult patients with vestibular neuritis (VN) and 58 age- and sex-matched controls were evaluated between January 2015 and January 2016...
February 10, 2017: Otology & Neurotology
https://www.readbyqxmd.com/read/28194345/transaxillary-subpectoral-placement-of-cardiac-implantable-electronic-devices-in-young-female-patients
#11
Joo Hyun Oh, Chae Min Kim, Seung Yong Song, Jae Sun Uhm, Dae Hyun Lew, Dong Won Lee
BACKGROUND: The current indications of cardiac implantable electronic devices (CIEDs) have expanded to include young patients with serious cardiac risk factors, but CIED placement has the disadvantage of involving unsightly scarring and bulging of the chest wall. A collaborative team of cardiologists and plastic surgeons developed a technique for the subpectoral placement of CIEDs in young female patients via a transaxillary approach. METHODS: From July 2012 to December 2015, subpectoral CIED placement via an axillary incision was performed in 10 young female patients, with a mean age of 25...
January 2017: Archives of Plastic Surgery
https://www.readbyqxmd.com/read/28191898/a-zero-thermal-quenching-phosphor
#12
Yoon Hwa Kim, Paulraj Arunkumar, Bo Young Kim, Sanjith Unithrattil, Eden Kim, Su-Hyun Moon, Jae Young Hyun, Ki Hyun Kim, Donghwa Lee, Jong-Sook Lee, Won Bin Im
Phosphor-converted white light-emitting diodes (pc-WLEDs) are efficient light sources used in lighting, high-tech displays, and electronic devices. One of the most significant challenges of pc-WLEDs is the thermal quenching, in which the phosphor suffers from emission loss with increasing temperature during high-power LED operation. Here, we report a blue-emitting Na3-2xSc2(PO4)3:xEu(2+) phosphor (λem = 453 nm) that does not exhibit thermal quenching even up to 200 °C. This phenomenon of zero thermal quenching originates from the ability of the phosphor to compensate the emission losses and therefore sustain the luminescence with increasing temperature...
February 13, 2017: Nature Materials
https://www.readbyqxmd.com/read/28186902/a-wearable-hip-assist-robot-can-improve-gait-function-and-cardiopulmonary-metabolic-efficiency-in-elderly-adults
#13
Hwang-Jae Lee, Suhyun Lee, Won Hyuk Chang, Keehong Seo, Youngbo Shim, Byung-Ok Choi, Gyu-Ha Ryu, Yun-Hee Kim
The aims of this study were to investigate the effectiveness of a newly developed wearable hip assist robot that uses an active assist algorithm to improve gait function, muscle effort, and cardiopulmonary metabolic efficiency in elderly adults. Thirty elderly adults (15 males/15 females) participated in this study. The experimental protocol consisted of overground gait at comfortable speed under three different conditions: free gait without robot assistance, robot-assisted gait with zero torque (RAG-Z), and full robot-assisted gait (RAG)...
February 6, 2017: IEEE Transactions on Neural Systems and Rehabilitation Engineering
https://www.readbyqxmd.com/read/28185792/randomized-phase-iii-study-of-docetaxel-plus-cisplatin-versus-pemetrexed-plus-cisplatin-as-first-line-treatment-of-nonsquamous-non-small-cell-lung-cancer-a-trail-trial
#14
Cheol-Kyu Park, In-Jae Oh, Kyu-Sik Kim, Yoo-Duk Choi, Tae-Won Jang, Youn-Seup Kim, Kwan-Ho Lee, Kyeong-Cheol Shin, Chi Young Jung, Sei-Hoon Yang, Jeong-Seon Ryu, Seung-Hun Jang, Seung-Soo Yoo, Suk-Joong Yong, Kye Young Lee, Kwang-Ho In, Min-Ki Lee, Young-Chul Kim
INTRODUCTION: To date, no prospective phase III trials have directly compared the efficacy of pemetrexed plus cisplatin (Pem-Cis) with docetaxel plus cisplatin (Doc-Cis) in patients with nonsquamous non-small-cell lung cancer. MATERIALS AND METHODS: A total of 148 chemotherapy-naive patients lacking driver mutations were randomized into 21-day regimens of cisplatin 70 mg/m(2) with either docetaxel 60 mg/m(2) (n = 71) or pemetrexed 500 mg/m(2) (n = 77) for ≤ 4 cycles...
January 11, 2017: Clinical Lung Cancer
https://www.readbyqxmd.com/read/28184958/bariatric-arterial-embolization-with-non-spherical-polyvinyl-alcohol-particles-for-ghrelin-suppression-in-a-swine-model
#15
Jae Min Kim, Man-Deuk Kim, Kichang Han, Lailatul Muqmiroh, Seung Up Kim, Gyoung Min Kim, Joonho Kwon, Sung Il Park, Jong Yun Won, Do Yun Lee
PURPOSE: To evaluate the effect of bariatric arterial embolization (BAE) with non-spherical polyvinyl alcohol (PVA) particles on systemic ghrelin levels, weight change, and gastric ulceration risk in a swine model. MATERIALS AND METHODS: From March 2014 to February 2015, ten healthy swine were used in the study (mean weight 31.5 kg; range 24.0-41.5 kg). The animals were randomly assigned to two groups: the embolized group (n = 5) in which BAE was performed and the control group (n = 5)...
February 9, 2017: Cardiovascular and Interventional Radiology
https://www.readbyqxmd.com/read/28180098/analysis-of-risk-factors-for-conversion-from-off-pump-to-on-pump-coronary-artery-bypass-graft
#16
Junghyeon Lim, Won Yong Lee, Yong Joon Ra, Jae Han Jeong, Ho Hyun Ko
BACKGROUND: Off-pump coronary artery bypass (OPCAB) is performed worldwide, but significant risks are associated with conversion to on-pump surgery. Therefore, we evaluated the composite outcomes between an OPCAB group and a conversion group. METHODS: From January 2008 to December 2012, 100 consecutive patients underwent OPCAB at Hallym University Sacred Heart Hospital, of whom 84 underwent OPCAB without adverse events (OPCAB group), and 16 were converted to on-pump surgery (conversion group)...
February 2017: Korean Journal of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/28177988/robotic-resection-is-a-good-prognostic-factor-in-rectal-cancer-compared-with-laparoscopic-resection-long-term-survival-analysis-using-propensity-score-matching
#17
COMPARATIVE STUDY
Jin Kim, Se-Jin Baek, Dong-Woo Kang, Young-Eun Roh, Jae Won Lee, Han-Deok Kwak, Jung Myun Kwak, Seon-Hahn Kim
BACKGROUND: Robotic total mesorectal excision for rectal cancer has rapidly increased and has shown short-term outcomes comparable to conventional laparoscopic total mesorectal excision. However, data for long-term oncologic outcomes are limited. OBJECTIVE: The aim of this study is to evaluate long-term oncologic outcomes of robotic total mesorectal excision compared with laparoscopic total mesorectal excision. DESIGN: This was a retrospective study...
March 2017: Diseases of the Colon and Rectum
https://www.readbyqxmd.com/read/28176759/snail-reprograms-glucose-metabolism-by-repressing-phosphofructokinase-pfkp-allowing-cancer-cell-survival-under-metabolic-stress
#18
Nam Hee Kim, Yong Hoon Cha, Jueun Lee, Seon-Hyeong Lee, Ji Hye Yang, Jun Seop Yun, Eunae Sandra Cho, Xianglan Zhang, Miso Nam, Nami Kim, Young-Su Yuk, So Young Cha, Yoonmi Lee, Joo Kyung Ryu, Sunghyouk Park, Jae-Ho Cheong, Sang Won Kang, Soo-Youl Kim, Geum-Sook Hwang, Jong In Yook, Hyun Sil Kim
Dynamic regulation of glucose flux between aerobic glycolysis and the pentose phosphate pathway (PPP) during epithelial-mesenchymal transition (EMT) is not well-understood. Here we show that Snail (SNAI1), a key transcriptional repressor of EMT, regulates glucose flux toward PPP, allowing cancer cell survival under metabolic stress. Mechanistically, Snail regulates glycolytic activity via repression of phosphofructokinase, platelet (PFKP), a major isoform of cancer-specific phosphofructokinase-1 (PFK-1), an enzyme involving the first rate-limiting step of glycolysis...
February 8, 2017: Nature Communications
https://www.readbyqxmd.com/read/28171716/reference-intervals-of-thyroid-hormones-during-pregnancy-in-korea-an-iodine-replete-area
#19
Hye Jeong Kim, Yoon Young Cho, Sun Wook Kim, Tae Hyuk Kim, Hye Won Jang, Soo-Youn Lee, Suk-Joo Choi, Cheong-Rae Roh, Jong-Hwa Kim, Jae Hoon Chung, Soo-Young Oh
Background/Aims: Maternal thyroid dysfunction has been associated with adverse pregnancy outcomes. The purpose of our study was to establish trimester-specific reference intervals for thyroid hormones in pregnant women in Korea, where iodine intake is more than adequate and to examine pregnancy and perinatal outcomes in their offspring. Methods: Among 459 healthy pregnant women who were screened, we enrolled 417 subjects who had negative results for thyroid autoantibodies...
February 8, 2017: Korean Journal of Internal Medicine
https://www.readbyqxmd.com/read/28169298/the-value-of-delta-neutrophil-index-in-young-infants-with-febrile-urinary-tract-infection
#20
Jung Won Lee, Seong Heon Kim, Se Jin Park, Keum Hwa Lee, Jae Hyon Park, Andreas Kronbichler, Michael Eisenhut, Ji Hong Kim, Jong Wook Lee, Jae Il Shin
Delta neutrophil index (DNI) is the fraction of circulating immature granulocytes, which reflects severe bacterial infections and septic condition but has not been studied in urinary tract infection (UTI). Here, we evaluated the value of DNI in predicting acute pyelonephritis (APN) or vesicoureteral reflux (VUR) using the data of 288 patients. Conventional inflammatory markers (white blood cell [WBC] count, erythrocyte sedimentation rate [ESR], C-reactive protein [CRP]), and DNI were measured. WBC, CRP, ESR and DNI were higher in APN than in lower UTI (p < 0...
February 7, 2017: Scientific Reports
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