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https://www.readbyqxmd.com/read/28088760/usp15-regulates-dynamic-protein-protein-interactions-of-the-spliceosome-through-deubiquitination-of-prp31
#1
Tanuza Das, Joon Kyu Park, Jinyoung Park, Eunji Kim, Michael Rape, Eunice EunKyeong Kim, Eun Joo Song
Post-translational modifications contribute to the spliceosome dynamics by facilitating the physical rearrangements of the spliceosome. Here, we report USP15, a deubiquitinating enzyme, as a regulator of protein-protein interactions for the spliceosome dynamics. We show that PRP31, a component of U4 snRNP, is modified with K63-linked ubiquitin chains by the PRP19 complex and deubiquitinated by USP15 and its substrate targeting factor SART3. USP15(SART3) makes a complex with USP4 and this ternary complex serves as a platform to deubiquitinate PRP31 and PRP3...
January 13, 2017: Nucleic Acids Research
https://www.readbyqxmd.com/read/28081359/benzoic-acid-enhances-embryo-implantation-through-lif-dependent-expression-of-integrin-%C3%AE-v%C3%AE-3-and-%C3%AE-v%C3%AE-5
#2
Hee-Jung Choi, Tae-Wook Chung, Mi-Ju Park, Hyung Sik Kim, Sooseong You, Myeong Soo Lee, Bo Sun Joo, Kyu Sup Lee, Keuk-Jun Kim, Gabbine Wee, Choong-Yong Kim, Cheorl-Ho Kim, Ki-Tae Ha
The embryo implantation is crucial step for successful pregnancy. Diverse factors including adhesion molecules, growth factors, and cytokines are important to the embryo implantation through improving endometrial receptivity. Benzoic acid (BA), a component of various plants, has been shown to have anti-fungal and anti-oxidant effects. However, the effect of BA on the embryo implantation remains unknown. Here, we showed the contribution of BA for the enhancement of endometrial receptivity through the leukemia inhibitory factor (LIF)-dependent increase of integrin αV, β3, and β5 expression...
January 12, 2017: Journal of Microbiology and Biotechnology
https://www.readbyqxmd.com/read/28081269/morphine-does-not-affect-myocardial-salvage-in-st-segment-elevation-myocardial-infarction
#3
Hye Bin Gwag, Taek Kyu Park, Young Bin Song, Eun Kyoung Kim, Woo Jin Jang, Jeong Hoon Yang, Joo-Yong Hahn, Seung-Hyuk Choi, Jin-Ho Choi, Sang Hoon Lee, Yeon Hyeon Choe, Joonghyun Ahn, Keumhee Chough Carriere, Hyeon-Cheol Gwon
Recent studies have proposed intravenous (IV) morphine is associated with delayed action of antiplatelet agents in acute myocardial infarction. However, it is unknown whether morphine results in increased myocardial damage in ST-segment elevation myocardial infarction (STEMI) patients undergoing primary percutaneous coronary intervention (PCI). We investigated myocardial salvage index (MSI) to determine whether IV morphine affects myocardial injury adversely in STEMI patients undergoing primary PCI. 299 STEMI patients underwent contrast-enhanced magnetic resonance imaging a median of 3 days after PCI...
2017: PloS One
https://www.readbyqxmd.com/read/28072843/chemokine-ligand-5-ccl5-derived-from-endothelial-colony-forming-cells-ecfcs-mediates-recruitment-of-smooth-muscle-progenitor-cells-spcs-toward-critical-vascular-locations-in-moyamoya-disease
#4
Ji Hoon Phi, Naoko Suzuki, Youn Joo Moon, Ae Kyung Park, Kyu-Chang Wang, Ji Yeoun Lee, Seung-Ah Choi, Sangjoon Chong, Reizo Shirane, Seung-Ki Kim
The etiology and pathogenesis of moyamoya disease (MMD) are still obscure. Previous studies indicated that angiogenic chemokines may play an important role in the pathogenesis of the disease. Recently, it was discovered that peripheral blood-derived endothelial colony-forming cells (ECFCs) and smooth muscle progenitor cells (SPCs) have defective functions in MMD patients. Therefore, the interaction of ECFCs and SPCs, the precursors of two crucial cellular components of vascular walls, with some paracrine molecules is an intriguing subject...
2017: PloS One
https://www.readbyqxmd.com/read/28057364/deferred-versus-conventional-stent-implantation-in-patients-with-acute-st-segment-elevation-myocardial-infarction-an-updated-meta-analysis-of-10-studies
#5
Joo Myung Lee, Tae-Min Rhee, Haseong Chang, Chul Ahn, Taek Kyu Park, Jeong Hoon Yang, Young Bin Song, Seung-Hyuk Choi, Hyeon-Cheol Gwon, Joo-Yong Hahn
BACKGROUND: We sought to evaluate safety and efficacy of the deferred stenting versus immediate stent implantation of infarct-related arteries in patients with acute ST-segment elevation myocardial infarction (STEMI) undergoing primary percutaneous coronary intervention (PCI). METHODS: A meta-analysis using random-effects models were conducted. The primary outcome, major adverse cardiac events (MACE), was a composite of all-cause mortality, myocardial infarction (MI), any unplanned target vessel revascularization (TVR), and hospitalization due to cardiac cause...
December 20, 2016: International Journal of Cardiology
https://www.readbyqxmd.com/read/28040265/pyruvate-dehydrogenase-kinase-4-deficiency-attenuates-cisplatin-induced-acute-kidney-injury
#6
Chang Joo Oh, Chae-Myeong Ha, Young-Keun Choi, Sungmi Park, Mi Sun Choe, Nam Ho Jeoung, Yang Hoon Huh, Hyo-Jeong Kim, Hee-Seok Kweon, Ji-Min Lee, Sun Joo Lee, Jae-Han Jeon, Robert A Harris, Keun-Gyu Park, In-Kyu Lee
Clinical prescription of cisplatin, one of the most widely used chemotherapeutic agents, is limited by its side effects, particularly tubular injury-associated nephrotoxicity. Since details of the underlying mechanisms are not fully understood, we investigated the role of pyruvate dehydrogenase kinase (PDK) in cisplatin-induced acute kidney injury. Among the PDK isoforms, PDK4 mRNA and protein levels were markedly increased in the kidneys of mice treated with cisplatin, and c-Jun N-terminal kinase activation was involved in cisplatin-induced renal PDK4 expression...
December 28, 2016: Kidney International
https://www.readbyqxmd.com/read/28026912/efficacy-and-safety-of-gemigliptin-a-dipeptidyl-peptidase-4-inhibitor-in-patients-with-type-2-diabetes-mellitus-inadequately-controlled-with-combination-treatment-of-metformin-and-sulfonylurea-a-24-week-multicenter-randomized-double-blind-placebo-controlled
#7
Chang Ho Ahn, Kyung Ah Han, Jae Myung Yu, Joo Young Nam, Kyu Jeung Ahn, Tae Keun Oh, Hyoung Woo Lee, Dae Ho Lee, Jaetaek Kim, Choon Hee Chung, Tae Sun Park, Byung Joon Kim, Seok Won Park, Hyeong Kyu Park, Kwang Jae Lee, Sang-Wook Kim, Jeong Hyun Park, Kwan Pyo Ko, Chong Hwa Kim, Hyunjin Lee, Hak Chul Jang, Kyong Soo Park
AIMS: To assess the efficacy and safety of gemigliptin, a dipeptidyl peptidase-4 inhibitor, added to metformin and sulfonylurea in patients with type 2 diabetes. MATERIALS AND METHODS: We conducted a randomized, double-blind, placebo-controlled trial in 219 Korean patients inadequately controlled with metformin and glimepiride. Patients were randomized to gemigliptin 50 mg once daily or placebo added to metformin and glimepiride. The primary endpoint was the change in hemoglobin A1c (HbA1c) from baseline to week 24...
December 27, 2016: Diabetes, Obesity & Metabolism
https://www.readbyqxmd.com/read/28010141/differential-expression-of-visfatin-leptin-stromal-cell-derived-factor-1%C3%AE-endothelial-nitric-oxide-synthase-and-vascular-endothelial-growth-factor-in-human-leiomyomas
#8
Bo Sun Joo, Min Jung Park, Chang-Woon Kim, Kyu Sup Lee, Jong Kil Joo
AIM: This study was aimed to understand expressions of the visfatin, leptin, stromal cell derived factor (SDF)-1α, endothelial nitric oxide synthase (eNOS), and vascular endothelial growth factor (VEGF) in human uterine leiomyomas (UL) and normal myometrium. METHOD: This study investigated expression of visfatin, leptin, SDF-1α, eNOS and VEGF in 23 uterine leiomyoma patients and 10 normal myometrium by RT-PCR and western blot. Messenger RNA transcripts of SDF-1α, eNOS, VEGF and hypoxia inducible factor-1α (HIF-1α) were analyzed according to the size of UL by real-time PCR...
December 23, 2016: Gynecological Endocrinology
https://www.readbyqxmd.com/read/27987845/alginate-bacterial-cellulose-nanocomposite-beads-prepared-using-gluconacetobacter-xylinus-and-their-application-in-lipase-immobilization
#9
Ji Hyun Kim, Saerom Park, Hyungsup Kim, Hyung Joo Kim, Yung-Hun Yang, Yong Hwan Kim, Sang-Kyu Jung, Eunsung Kan, Sang Hyun Lee
Alginate/bacterial cellulose nanocomposite beads, with well-controlled size and regular spherical shapes, were prepared in a simple manner by entrapping Gluconacetobacter xylinus in barium alginate hydrogel beads, followed by cultivation of the entrapped cells in culture media with a low sodium ion concentration. The entire surface of the alginate hydrogel beads containing the cells was covered with cellulose fibers (∼30nm) after 36h of cultivation. The cellulose crystallinity index of the alginate/bacterial cellulose beads was 0...
February 10, 2017: Carbohydrate Polymers
https://www.readbyqxmd.com/read/27987594/characterization-of-microbiome-in-bronchoalveolar-lavage-fluid-of-patients-with-lung-cancer-comparing-with-benign-mass-like-lesions
#10
Sang Hoon Lee, Ji Yeon Sung, Dongeun Yong, Jongsik Chun, Song Yee Kim, Joo Han Song, Kyung Soo Chung, Eun Young Kim, Ji Ye Jung, Young Ae Kang, Young Sam Kim, Se Kyu Kim, Joon Chang, Moo Suk Park
OBJECTIVES: Disruption in the stability of respiratory microbiota is known to be associated with many chronic respiratory diseases. However, only few studies have examined microbiomes in lung cancer. Therefore, we characterized and compared the microbiomes of patients with lung cancer and those with benign mass-like lesions. MATERIALS AND METHODS: Bronchoalveolar fluid was collected prospectively to evaluate lung masses in patients who had undergone bronchoscopies from May to September 2015...
December 2016: Lung Cancer: Journal of the International Association for the Study of Lung Cancer
https://www.readbyqxmd.com/read/27974679/kras-mutation-analysis-of-washing-fluid-from-endoscopic-ultrasound-guided-fine-needle-aspiration-improves-cytologic-diagnosis-of-pancreatic-ductal-adenocarcinoma
#11
Joo Kyung Park, Yoon Jung Lee, Jong Kyun Lee, Kyu Taek Lee, Yoon-La Choi, Kwang Hyuck Lee
EUS-FNA becomes one of the most important diagnostic modalities for PDACs. However, acquired tissue specimens were sometimes insufficient to make a definite cytological diagnosis. On the other hand, KRAS mutation is the most frequently acquired genetic alteration found more than 90% of PDACs. To investigate the way to improve diagnostic accuracy for PDACs using both cytological examination and KRAS mutation analysis would be a great help. Therefore, the aims of this study were to evaluate usefulness of conventional cytological examination combined with KRAS mutation analysis with modified PCR technology to improve the sensitivity and the accuracy...
December 10, 2016: Oncotarget
https://www.readbyqxmd.com/read/27970340/tct-171-effect-of-ticagrelor-compared-with-clopidogrel-on-myocardial-infarct-size-in-patients-undergoing-primary-percutaneous-coronary-intervention
#12
Joo-Yong Hahn, Eun Kyoung Kim, Taek Kyu Park, Joo Myung Lee, Young Bin Song, Jeong Hoon Yang, Jin-Ho Choi, Seung-Hyuck Choi, Hyeon-Cheol Gwon
No abstract text is available yet for this article.
November 1, 2016: Journal of the American College of Cardiology
https://www.readbyqxmd.com/read/27942209/association-of-serum-ferritin-levels-with-smoking-and-lung-function-in-the-korean-adult-population-analysis-of-the-fourth-and-fifth-korean-national-health-and-nutrition-examination-survey
#13
Chan Ho Lee, Eun Kyung Goag, Su Hwan Lee, Kyung Soo Chung, Ji Ye Jung, Moo Suk Park, Young Sam Kim, Se Kyu Kim, Joon Chang, Joo Han Song
BACKGROUND: Iron-catalyzed oxidative stress contributes to lung injury after exposure to various toxins, including cigarette smoke. An oxidant/antioxidant imbalance is considered to play a critical role in the pathogenesis of COPD. Ferritin is a key protein in iron homeostasis, and its capacity to oxidize and sequester the metal preventing iron prooxidant activity implicates its possible role in the alteration of antioxidant imbalance. We investigated the relationship among cigarette smoking, lung function, and serum ferritin concentration in a large cohort representative of the Korean adult population...
2016: International Journal of Chronic Obstructive Pulmonary Disease
https://www.readbyqxmd.com/read/27936964/preoperative-serum-thyroglobulin-and-changes-in-serum-thyroglobulin-during-tsh-suppression-independently-predict-follicular-thyroid-carcinoma-in-thyroid-nodules-with-a-cytological-diagnosis-of-follicular-lesion
#14
Hye Jeong Kim, Ji-Oh Mok, Chul Hee Kim, Yeo Joo Kim, Sang Jin Kim, Hyeong Kyu Park, Dong Won Byun, Kyoil Suh, Myung Hi Yoo
BACKGROUND: Fine-needle aspiration biopsy (FNAB) cannot distinguish a follicular thyroid carcinoma (FTC) from a follicular adenoma in follicular lesions. We designed this study to determine whether the preoperative thyroglobulin (Tg) and change in serum Tg during thyroid-stimulating hormone (TSH) suppression can predict FTC in thyroid nodules with a cytological diagnosis of follicular lesion. METHODS: Among 854 patients who underwent thyroid surgery, the 198 patients who presented with thyroid nodules with a cytological diagnosis of follicular lesion were analyzed...
December 12, 2016: Endocrine Research
https://www.readbyqxmd.com/read/27935287/self-assembled-tb-3-complex-probe-for-quantitative-analysis-of-atp-during-its-enzymatic-hydrolysis-via-time-resolved-luminescence-in-vitro-and-in-vivo
#15
Sung Ho Jung, Ka Young Kim, Ji Ha Lee, Cheol Joo Moon, Noh Soo Han, Su-Jin Park, Dongmin Kang, Jae Kyu Song, Shim Sung Lee, Myong Yong Choi, Justyn Jaworski, Jong Hwa Jung
To more accurately assess the pathways of biological systems, a probe is needed that may respond selectively to adenosine triphosphate (ATP) for both in vitro and in vivo detection modes. We have developed a luminescence probe that can provide real-time information on the extent of ATP, ADP, and AMP by virtue of the luminescence and luminescence lifetime observed from a supramolecular polymer based on a C3 symmetrical terpyridine complex with Tb(3+) (S1-Tb). The probe shows remarkable selective luminescence enhancement in the presence of ATP compared to other phosphate-displaying nucleotides including adenosine diphosphate (ADP), adenosine monophosphate (AMP), guanosine triphosphate (GTP), thymidine triphosphate (TTP), H2PO4(-) (Pi), and pyrophosphate (PPi)...
December 20, 2016: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/27931510/generation-of-equine-induced-pluripotent-stem-cells-and-analysis-of-their-therapeutic-potential-for-muscle-injuries
#16
Eun-Mi Lee, Ah-Young Kim, Eun-Joo Lee, Jin-Kyu Park, Se-Il Park, Ssang-Goo Cho, Hong Kyun Kim, Shin-Yoon Kim, Kyu-Shik Jeong
Horse health has become a major concern with the expansion of horse-related industries and sports; the importance of healthy muscles for horse performance and daily activities is undisputed. Here we generated equine-induced pluripotent stem cells (E-iPSCs) by reprogramming equine adipose-derived stem cells (E-ADSCs) into iPSCs using a polycistronic lentiviral vector encoding four transcription factors (i.e., Oct4, Sox2, Klf4, and c-Myc) and then examined their pluripotent characteristics. Subsequently, established E-iPSCs were transplanted into muscle-injured Rag/mdx mice...
November 2016: Cell Transplantation
https://www.readbyqxmd.com/read/27924650/clinicopathological-characteristics-of-biliary-neuroendocrine-neoplasms-a-multicenter-study
#17
Kyong Joo Lee, Jae Hee Cho, Sang Hyub Lee, Kwang Hyuk Lee, Byung Kyu Park, Jun Kyu Lee, Sang Myung Woo, Ji Kon Ryu, Jong Kyun Lee, Yeon Suk Kim, Jae Woo Kim, Woo Jin Lee
OBJECTIVES: This study assessed the clinicopathological features, therapeutic approaches, and prognosis of patients with biliary neuroendocrine neoplasm (NENs). MATERIALS AND METHODS: Multicenter retrospective study of patients with biliary tract NENs in the gallbladder, the extrahepatic bile duct, or the ampulla of Vater between 2005 and 2014. RESULTS: Total of 43 patients were included in the study. The median age was 62 years (range: 29-84 years) and 58...
December 7, 2016: Scandinavian Journal of Gastroenterology
https://www.readbyqxmd.com/read/27914488/safety-of-6-month-duration-of-dual-antiplatelet-therapy-after-percutaneous-coronary-intervention-in-patients-with-acute-coronary-syndromes-rationale-and-design-of-the-smart-angioplasty-research-team-safety-of-6-month-duration-of-dual-antiplatelet-therapy-after
#18
Joo Myung Lee, Deok-Kyu Cho, Joo-Yong Hahn, Young Bin Song, Taek Kyu Park, Ju-Hyeon Oh, Jin Bae Lee, Joon-Hyung Doh, Sang-Hyun Kim, Jeong Hoon Yang, Jin-Ho Choi, Seung-Hyuck Choi, Sang Hoon Lee, Hyeon-Cheol Gwon
BACKGROUND AND RATIONALE: Dual antiplatelet therapy (DAPT) is a fundamental treatment that optimizes clinical outcomes after percutaneous coronary intervention, especially in patients with acute coronary syndrome (ACS). Although current international guidelines recommend DAPT for at least 12 months after implantation of a drug-eluting stent in patients with ACS, these recommendations are not based on randomized controlled trials dedicated to ACS population. STUDY DESIGN: The SMART-DATE trial is a prospective, multicenter, randomized, and open-label study to demonstrate the noninferiority of 6-month DAPT compared with 12 months or longer DAPT in patients with ACS undergoing percutaneous coronary intervention...
December 2016: American Heart Journal
https://www.readbyqxmd.com/read/27903497/association-between-screening-and-the-thyroid-cancer-epidemic-in-south-korea-evidence-from-a-nationwide-study
#19
Sohee Park, Chang-Mo Oh, Hyunsoon Cho, Joo Young Lee, Kyu-Won Jung, Jae Kwan Jun, Young-Joo Won, Hyun-Joo Kong, Kui Son Choi, You Jin Lee, Jin Soo Lee
OBJECTIVE:  To investigate whether screening for thyroid cancer led to the current "epidemic" in South Korea. DESIGN:  Review of the medical records of nationally representative samples of patients with a diagnosis of thyroid cancer in 1999, 2005, and 2008. SETTING:  Sample cases were randomly selected from South Korea's nationwide cancer registry, using a systematic sampling method after stratification by region. PARTICIPANTS:  5796 patients with thyroid cancer were included (891 in 1999, 2355 in 2005, and 2550 in 2008)...
November 30, 2016: BMJ: British Medical Journal
https://www.readbyqxmd.com/read/27896409/post-resection-prognosis-of-combined-hepatocellular-carcinoma-cholangiocarcinoma-according-to-the-2010-who-classification
#20
Dong-Hwan Jung, Shin Hwang, Seung-Mo Hong, Yong-Kyu Chung, Gi-Won Song, Young-Joo Lee, Ki-Hun Kim, Chul-Soo Ahn, Deok-Bog Moon, Tae-Yong Ha, Gil-Chun Park, Han Chu Lee, Young-Suk Lim, Eun Sil Yu, Sung-Gyu Lee
BACKGROUND: Combined hepatocellular carcinoma and cholangiocarcinoma (cHC) has wide histological diversity. We intended to investigate the prognostic influence of tumor types of cHC. METHODS: We analyzed the clinical and pathological features of cHC along 2010 WHO classification. Study group was 100 cHC patients who underwent primary resection. Control group comprised 200 propensity score-matched patients with intrahepatic cholangiocarcinoma (ICC). RESULTS: In cHC group, tumor diameter was 4...
November 28, 2016: World Journal of Surgery
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