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https://www.readbyqxmd.com/read/28334429/liver-parenchyma-transection-first-approach-in-hemihepatectomy-with-en-bloc-caudate-lobectomy-for-hilar-cholangiocarcinoma-a-safe-technique-to-secure-favorable-surgical-outcomes
#1
Yasunari Kawabata, Hikota Hayashi, Seiji Yano, Yoshitsugu Tajima
BACKGROUND: Although hemihepatectomy with total caudate lobectomy (hemiHx-tc) is essential for the surgical treatment of hilar cholangiocarcinoma, the advantage of an anterior approach for hemiHx-tc has not been fully discussed technically; the significance of an anterior approach without liver mobilization for preventing infectious complications also remains unknown. METHODS: The liver parenchyma transection-first approach (Hp-first) technique is an early transection of the hepatic parenchyma without mobilization of the liver that utilizes a modified liver-hanging maneuver to avoid damaging the future remnant liver...
March 23, 2017: Journal of Surgical Oncology
https://www.readbyqxmd.com/read/28320189/tempol-4-hydroxy-tempo-inhibits-anoxia-induced-progression-of-mitochondrial-dysfunction-and-associated-neurobehavioral-impairment-in-neonatal-rats
#2
Puneet K Samaiya, Gopeshwar Narayan, Ashok Kumar, Sairam Krishnamurthy
BACKGROUND: Anoxia leads to a robust generation of reactive oxygen species/nitrogen species which can result in mitochondrial dysfunction and associated cell death in the cerebral cortex of neonates. AIM: The present study investigated the pharmacological role of tempol in the treatment of rat neonatal cortical mitochondrial dysfunction induced insult progression (day-1 to day-7) and associated neurobehavioral alterations post-anoxia. METHODS: Rat pups of 30h age or postnatal day 2 (PND2) were randomly divided into 5 groups (n=5 per group): (1) Control; (2) Anoxia; (3) Anoxia+Tempol 75mg/kg; (4) Anoxia+Tempol 150mg/kg; and (5) Anoxia+Tempol 300mg/kg, and subjected to two episode of anoxia (10min each) at 24h of time interval in an enclosed chamber supplied with 100% N2...
April 15, 2017: Journal of the Neurological Sciences
https://www.readbyqxmd.com/read/28304219/surgical-or-transcatheter-aortic-valve-replacement-in-intermediate-risk-patients
#3
Michael J Reardon, Nicolas M Van Mieghem, Jeffrey J Popma, Neal S Kleiman, Lars Søndergaard, Mubashir Mumtaz, David H Adams, G Michael Deeb, Brijeshwar Maini, Hemal Gada, Stanley Chetcuti, Thomas Gleason, John Heiser, Rüdiger Lange, William Merhi, Jae K Oh, Peter S Olsen, Nicolo Piazza, Mathew Williams, Stephan Windecker, Steven J Yakubov, Eberhard Grube, Raj Makkar, Joon S Lee, John Conte, Eric Vang, Hang Nguyen, Yanping Chang, Andrew S Mugglin, Patrick W J C Serruys, Arie P Kappetein
Background Although transcatheter aortic-valve replacement (TAVR) is an accepted alternative to surgery in patients with severe aortic stenosis who are at high surgical risk, less is known about comparative outcomes among patients with aortic stenosis who are at intermediate surgical risk. Methods We evaluated the clinical outcomes in intermediate-risk patients with severe, symptomatic aortic stenosis in a randomized trial comparing TAVR (performed with the use of a self-expanding prosthesis) with surgical aortic-valve replacement...
March 17, 2017: New England Journal of Medicine
https://www.readbyqxmd.com/read/28293167/melatonin-mediates-protective-effects-against-kainic-acid-induced-neuronal-death-through-safeguarding-er-stress-and-mitochondrial-disturbance
#4
Feixiao Xue, Cai Shi, Qingjie Chen, Weijian Hang, Liangtao Xia, Yue Wu, Sophia Z Tao, Jie Zhou, Anbing Shi, Juan Chen
Kainic acid (KA)-induced neuronal death is linked to mitochondrial dysfunction and ER stress. Melatonin is known to protect hippocampal neurons from KA-induced apoptosis, but the exact mechanisms underlying melatonin protective effects against neuronal mitochondria disorder and ER stress remain uncertain. In this study, we investigated the sheltering roles of melatonin during KA-induced apoptosis by focusing on mitochondrial dysfunction and ER stress mediated signal pathways. KA causes mitochondrial dynamic disorder and dysfunction through calpain activation, leading to neuronal apoptosis...
2017: Frontiers in Molecular Neuroscience
https://www.readbyqxmd.com/read/28293087/hepatic-artery-infusion-with-raltitrexed-or-5-fluorouracil-for-colorectal-cancer-liver-metastasis
#5
Jian-Hai Guo, Hang-Yu Zhang, Song Gao, Peng-Jun Zhang, Xiao-Ting Li, Hui Chen, Xiao-Dong Wang, Xu Zhu
AIM: To evaluate the efficiency and safety of hepatic artery infusion chemotherapy (HAIC) using raltitrexed or 5-fluorouracil for colorectal cancer (CRC) liver metastasis (CRCLM). METHODS: A retrospective analysis of patients with unresectable CRCLM who failed systemic chemotherapy and were subsequently treated with HAIC at our institute from May 2013 to April 2015 was performed. A total of 24 patients were treated with 5-fluorouracil, and 18 patients were treated with raltitrexed...
February 28, 2017: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/28268258/cha2ds2-vasc-scores-predict-major-adverse-cardiovascular-events-in-patients-with-chronic-obstructive-pulmonary-disease
#6
Hean Ooi, Li-Hsiou Chen, Yung-Lun Ni, Huan-Ting Shen, Yen-Hsien Lee, Yi-Chun Chu, Ke-Chih Fang, I-Hung Chen, Shu-Lan Hsu, Hsing-Chun Chen, Chien-Hsiu Huang, Kuo-Sheng Fan, Chun-Liang Lai, Liang-Wen Hang
INTRODUCTION: Patients with chronic obstructive pulmonary disease (COPD) frequently experience concurrent comorbidities; therefore, risk assessment for major adverse cardiovascular events (MACEs) is very important. OBJECTIVES: We explored the association between COPD and risk of MACEs with three common clinical events: acute myocardial infarction (AMI), ischemic stroke (IS), and cardiovascular death (CVD). METHODS: We evaluated the predictive value of the CHA2DS2-VASc score (congestive heart failure [C], hypertension [H), age [A], diabetes [D), stroke [S], and vascular disease [VASc]) for MACEs in COPD patients...
March 7, 2017: Clinical Respiratory Journal
https://www.readbyqxmd.com/read/28250763/molecular-chaperones-and-hypoxic-ischemic-encephalopathy
#7
REVIEW
Cong Hua, Wei-Na Ju, Hang Jin, Xin Sun, Gang Zhao
Hypoxic-ischemic encephalopathy (HIE) is a disease that occurs when the brain is subjected to hypoxia, resulting in neuronal death and neurological deficits, with a poor prognosis. The mechanisms underlying hypoxic-ischemic brain injury include excitatory amino acid release, cellular proteolysis, reactive oxygen species generation, nitric oxide synthesis, and inflammation. The molecular and cellular changes in HIE include protein misfolding, aggregation, and destruction of organelles. The apoptotic pathways activated by ischemia and hypoxia include the mitochondrial pathway, the extrinsic Fas receptor pathway, and the endoplasmic reticulum stress-induced pathway...
January 2017: Neural Regeneration Research
https://www.readbyqxmd.com/read/28238723/non-steroidal-anti-inflammatory-drugs-are-caspase-inhibitors
#8
Christina E Smith, Subada Soti, Torey A Jones, Akihisa Nakagawa, Ding Xue, Hang Yin
Non-steroidal anti-inflammatory drugs (NSAIDs) are among the most commonly used drugs in the world. While the role of NSAIDs as cyclooxygenase (COX) inhibitors is well established, other targets may contribute to anti-inflammation. Here we report caspases as a new pharmacological target for NSAID family drugs such as ibuprofen, naproxen, and ketorolac at physiologic concentrations both in vitro and in vivo. We characterize caspase activity in both in vitro and in cell culture, and combine computational modeling and biophysical analysis to determine the mechanism of action...
March 16, 2017: Cell Chemical Biology
https://www.readbyqxmd.com/read/28237716/clostridium-perfringens-epsilon-toxin-induces-permanent-neuronal-degeneration-and-behavioral-changes
#9
Winston E Morris, Jorge Goldstein, Leandro M Redondo, Adriana Cangelosi, Patricia Geoghegan, Marcela Brocco, Fabián C Loidl, Mariano E Fernandez-Miyakawa
Clostridium perfringens epsilon toxin (ETX), the most potent toxin produced by this bacteria, plays a key role in the pathogenesis of enterotoxaemia in ruminants, causing brain edema and encephalomalacia. Studies of animals suffering from ETX intoxication describe severe neurological disorders that are thought to be the result of vasogenic brain edemas and indirect neuronal toxicity, killing oligodendrocytes but not astrocytes, microglia, or neurons in vitro. In this study, by means of intravenous and intracerebroventricular delivery of sub-lethal concentrations of ETX, the histological and ultrastructural changes of the brain were studied in rats and mice...
February 22, 2017: Toxicon: Official Journal of the International Society on Toxinology
https://www.readbyqxmd.com/read/28216152/1-25-dihydroxyvitamin-d3-prevents-the-development-of-diabetic-cardiomyopathy-in-type-1-diabetic-rats-by-enhancing-autophagy-via-inhibiting-the-%C3%AE-catenin-tcf4-gsk-3%C3%AE-mtor-pathway
#10
Huili Wei, Hua Qu, Hang Wang, Baolan Ji, Yao Ding, Dan Liu, Yang Duan, Huimin Liang, Chuan Peng, Xiaoqiu Xiao, Huacong Deng
Diabetic cardiomyopathy (DCM) can increase the risk of heart failure and death in diabetic patients. However, no effective approaches are available to prevent its progression and development. Studies have shown that vitamin D is greatly implicated in cardiac hypertrophy and fibrosis, and there is a high prevalence of vitamin D deficiency in diabetic patients. In this study, we investigated whether 1,25-Dihydroxyvitamin-D3 (1,25D3) can improve DCM through a vitamin D receptor (VDR)-dependent mechanism associated with autophagy and the β-catenin/T-cell factor/lymphoid enhancer factor (TCF4)/glycogen synthase kinase-3β (GSK-3β)/mammalian target of rapamycin (mTOR) pathway...
February 17, 2017: Journal of Steroid Biochemistry and Molecular Biology
https://www.readbyqxmd.com/read/28214869/effects-of-antimalarial-tafenoquine-on-blood-platelet-activity-and-survival
#11
Hang Cao, Rosi Bissinger, Anja T Umbach, Abdulla Al Mamun Bhuyan, Meinrad Gawaz, Florian Lang
BACKGROUND/AIMS: The 8-aminoquinoline tafenoquine has been shown to be effective against Plasmodia, Leishmania and Trypanosoma. The substance is at least in part effective by triggering apoptosis of the parasites. Moreover, tafenoquine has been shown to trigger eryptosis, the suicidal erythrocyte death characterized by cell shrinkage and cell membrane scrambling with phosphatidylserine translocation to the erythrocyte surface. The effect of tafenoquine on eryptosis is in part due to stimulation of Ca2+ entry and oxidative stress...
January 26, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28209998/cervical-pessary-for-prevention-of-preterm-birth-a-meta-analysis
#12
Xin-Hang Jin, Dan Li, Li-Li Huang
To investigate the efficacy of cervical pessary placement in preventing preterm birth and perinatal morbidity and mortality in asymptomatic women with a singleton pregnancy and a short cervix, we searched literature in relevant databases. The meta-analysis of the 3 included trials (1412 women) showed cervical pessary placement did not reduce the risk of spontaneous preterm birth <34 weeks in these women (risk ratio (RR), 0.71; 95% confidence interval (CI), 0.21-2.43, P = 0.59; I(2) = 90%). The sensitivity analyses by excluding one trial at one time showed the same results...
February 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28193608/dectin-2-deficiency-modulates-th1-differentiation-and-improves-wound-healing-after-myocardial-infarction
#13
Xiaoxiang Yan, Hang Zhang, Qin Fan, Jian Hu, Rong Tao, Qiujing Chen, Yoichiro Iwakura, Weifeng Shen, Lin Lu, Qi Zhang, Ruiyan Zhang
Rationale: Macrophages are involved in wound healing after myocardial infarction (MI). The role of Dectin-2, a pattern recognition receptor mainly expressed on myeloid cells, in the infarct healing remains unknown. Objective: To determine whether Dectin-2 signaling is involved in the healing process and cardiac remodeling after MI, and to elucidate the underlying molecular mechanisms. Methods and Results: In a mouse model of permanent coronary ligation, Dectin-2, mainly expressed in macrophages, was shown to be increased in the early phase after MI...
February 13, 2017: Circulation Research
https://www.readbyqxmd.com/read/28176336/effect-of-hypothermic-machine-perfusion-on-the-preservation-of-kidneys-donated-after-cardiac-death-a-single-center-randomized-controlled-trial
#14
Wei Wang, Dawei Xie, Xiaopeng Hu, Hang Yin, Hang Liu, Xiaodong Zhang
To assess the application of a hypothermic machine perfusion device (LifePort) in kidney transplantation from donation after cardiac death (DCD) donors, 24 pairs of DCD kidneys were randomly divided into two groups: one of the paired kidneys from the same donor was perfused with the LifePort machine (hypothermic machine perfusion [HMP]), and the contralateral kidney was prepared using common static cold preservation (CCP). The two groups were compared with respect to the incidence of delayed graft function (DGF), level of graft function, and pathological changes in time-zero biopsy specimens...
February 8, 2017: Artificial Organs
https://www.readbyqxmd.com/read/28169543/novel-ent-kaurane-diterpenoid-from-rubus-corchorifolius-l-f-inhibits-human-colon-cancer-cell-growth-via-inducing-cell-cycle-arrest-and-apoptosis
#15
Xuexiang Chen, Xian Wu, Wen Ouyang, Min Gu, Zili Gao, Mingyue Song, Yunjiao Chen, Yanyin Lin, Yong Cao, Hang Xiao
The tender leaves of Rubus corchorifolius L. f. have been consumed as tea for drinking in China since ancient times. In this study, a novel ent-kaurane diterpenoid was isolated and identified from R. corchorifolius L. f. leaves as ent-kaur-2-one-16β,17-dihydroxy-acetone-ketal (DEK). DEK suppressed the growth of HCT116 human colon cancer cells with an IC50 value of 40 ± 0.21 μM, while it did not cause significant growth inhibition on CCD-18Co human colonic myofibroblasts at up to100 μM. Moreover, DEK induced extensive apoptosis and S phase cell cycle arrest in the colon cancer cells...
February 13, 2017: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/28166461/factors-associated-with-suicide-in-four-age-groups-a-population-based-study
#16
S O'Neill, E Ennis, C Corry, B Bunting
Background; Life events and circumstances leading to death change throughout the life course. Aims; Four age groups within those who have died by suicide are compared in terms method of suicide, sex, occupation, mental disorders, prior suicide attempts and life events prior to death. Methods; Analyses were based on a database of deaths by suicide and undetermined intent based on data in the NI coronial files from 2005-2011 (N = 1667). Results; Hanging is very prominent as a method of death within the under 20 age group...
February 6, 2017: Archives of Suicide Research: Official Journal of the International Academy for Suicide Research
https://www.readbyqxmd.com/read/28165459/coptisine-from-rhizoma-coptidis-suppresses-hct-116-cells-related-tumor-growth-in-vitro-and-in-vivo
#17
Tao Huang, Yubo Xiao, Lin Yi, Ling Li, Meimei Wang, Cheng Tian, Hang Ma, Kai He, Yue Wang, Bing Han, Xiaoli Ye, Xuegang Li
Colorectal cancer is one of the most common causes of cancer-related death in humans. Coptisine (COP) is a natural alkaloid from Coptidis Rhizoma with unclear antitumor mechanism. Human colon cancer cells (HCT-116) and xenograft mice were used to systematically explore the anti-tumor activity of COP in this study. The results indicated that COP exhibited remarkably cytotoxic activities against the HCT-116 cells by inducing G1-phase cell cycle arrest and increasing apoptosis, and preferentially inhibited the survival pathway and induced the activation of caspase proteases family of HCT-116 cells...
February 6, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28157394/how-well-prepared-are-medical-and-nursing-students-to-identify-common-hazards-in-the-icu
#18
Alison S Clay, Saumil M Chudgar, Kathleen M Turner, Jacqueline Vaughn, Nancy W Knudsen, Jeanne M Farnan, Vineet M Arora, Margory A Molloy
RATIONALE: Care in the hospital is hazardous. Harm in the hospital may prolong hospitalization, increase suffering, result in death, and increase costs of care. While the interprofessional team is critical to eliminating hazards that may result in adverse events to patients, professional students' formal education may not prepare students adequately for this role. OBJECTIVES: To determine if medical and nursing students can identify hazards of hospitalization that could result in harm to patients and to detect differences between professions in the types of hazards identified...
February 3, 2017: Annals of the American Thoracic Society
https://www.readbyqxmd.com/read/28154877/dietary-5-demethylnobiletin-inhibits-cigarette-carcinogen-nnk-induced-lung-tumorigenesis-in-mice
#19
Mingyue Song, Xian Wu, Noppawat Charoensinphon, Minqi Wang, Jinkai Zheng, Zili Gao, Fei Xu, Zhengze Li, Fang Li, Jiazhi Zhou, Hang Xiao
5-Demethylnobiletin (5DN) is a unique citrus flavonoid with various beneficial bioactivities. In this study, we determined the inhibitory effects of 5DN and its two major metabolites in the 4-(methylnitrosamino)-1-(3-pyridyl)-1-butanone (NNK)-induced lung tumorigenesis mouse model as well as in human and mouse lung cancer cell models. In NNK-treated female A/J mice, dietary administration of 5DN (0.025% or 0.05% w/w in the diet) significantly decreased both lung tumor multiplicity and tumor volume. Immunohistochemical analysis showed strong anti-proliferative effects of 5DN in lung tumors...
February 3, 2017: Food & Function
https://www.readbyqxmd.com/read/28142087/synergistic-activity-of-n-hydroxy-7-2-naphthylthio-heptanomide-and-sorafenib-against-cancer-stem-cells-anaplastic-thyroid-cancer
#20
Ki Cheong Park, Seok-Mo Kim, Jeong Yong Jeon, Bup-Woo Kim, Hyeung Kyoo Kim, Ho Jin Chang, Yong Sang Lee, Soo Young Kim, Seung Hoon Choi, Cheong Soo Park, Hang-Seok Chang
Anaplastic thyroid carcinoma (ATC) although rare is the most deadly form of thyroid cancer. The fatality rate for ATC is high-pitched, the survival rate at 1 year after diagnosis is <20%. Control of ATC is severely hard and widespread with unpredictability. We Previous proved that histone gene reviser and epigenetic changes role significant parts in papillary and anaplastic thyroid cancer tumorigenesis. Herein, the goal of this study was to investigate the anti-tumor activities of a HDAC inhibitor, HNHA alone and in combination with sorafenib in ATC cells in vitro and in vivo and to explore its effects on apoptotic cell death pathways...
January 27, 2017: Neoplasia: An International Journal for Oncology Research
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