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https://www.readbyqxmd.com/read/28226557/in-vitro-examination-of-the-pressure-effect-on-clot-dissolution-with-thrombolytic-patch
#1
Zhen Qin, Chi Hang Chon, John C K Kwok, David C C Lam, Zhen Qin, Chi Hang Chon, John C K Kwok, David C C Lam, Chi Hang Chon, David Cc Lam, Zhen Qin, John Ck Kwok
Bio-kinetic thrombus dissolution model has been developed to describe the thrombus dissolution behavior during endoluminal thrombolytic patch treatment to recanalize blocked vessel in ischemic strokes. The initial model ignored the effect of pulsatile pressure in the lumen. However, pulsatile pressure in the lumen may affect molecule diffusion and bio-chemical reaction rate and accelerate clot dissolution. The effect of pressure on the dissolution rate was examined in this study. The dissolution behaviors of 100-400 μm thick blood clot specimens subject to diastolic, systolic, and pulsatile pressure were characterized using Raman spectroscopy...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28226511/characterization-of-thrombus-stiffening-in-radio-frequency-rf-mechanical-thrombectomy
#2
Chris C H Chon, Jack Z Qin, John C K Kwok, David C C Lam, Chris C H Chon, Jack Z Qin, John C K Kwok, David C C Lam, David Cc Lam, Chris Ch Chon, John Ck Kwok, Jack Z Qin
Intra-arterial mechanical thrombectomy (IAMT) for ischemic stroke has high recanalization rate, long treatment time window and low risk of symptomatic intracerebral haemorrhage (sICH), but thrombus fragments produced during treatment can lead to distal embolization. Fragmentation can be reduced if the thrombus is strengthened by increasing the thrombus's crosslink density. Radio frequency (rf) electric current commonly used in surgery to cut and coagulate tissue can induce crosslinking in thrombus. The increase in thrombus stiffness as a result of the increase in crosslinking from rf treatment is characterized in this study...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28225864/protective-effects-of-fentanyl-preconditioning-on-cardiomyocyte-apoptosis-induced-by-ischemia-reperfusion-in-rats
#3
Q Xu, Q-G Li, G-R Fan, Q-H Liu, F-L Mi, B Liu
We aimed to study the effect of fentanyl (Fen) preconditioning on cardiomyocyte apoptosis induced by ischemia-reperfusion (I/R) in rats. A total of 120 Sprague Dawley male rats (age: 3 months) were randomly divided into: sham operation group (S group), I/R group, normal saline I/R group (NS group), and fentanyl low, middle, and high dose groups (Fen1: 2 μg/kg; Fen2: 4 μg/kg; Fen3: 6 μg/kg). Heart rate (HR), mean arterial pressure (MAP), left ventricular developed pressure (LVDP), ±dp/dtmax, malondialdehyde (MDA), superoxide dismutase (SOD) activity, creatine phosphokinase-MB (CK-MB), and cardiac troponin-I (cTnI) were measured...
February 16, 2017: Brazilian Journal of Medical and Biological Research, Revista Brasileira de Pesquisas Médicas e Biológicas
https://www.readbyqxmd.com/read/28224337/influence-of-ameliorating-soil-acidity-with-dolomite-on-the-priming-of-soil-c-content-and-co2-emission
#4
Muhammad Shaaban, Lei Wu, Qi-An Peng, Lukas van Zwieten, Muhammad Afzal Chhajro, Yupeng Wu, Shan Lin, Muhammad Mahmood Ahmed, Muhammad Salman Khalid, Muhammad Abid, Ronggui Hu
Lime or dolomite is commonly implemented to ameliorate soil acidity. However, the impact of dolomite on CO2 emissions from acidic soils is largely unknown. A 53-day laboratory study was carried out to investigate CO2 emissions by applying dolomite to an acidic Acrisol (rice-rapeseed rotation [RR soil]) and a Ferralsol (rice-fallow/flooded rotation [RF soil]). Dolomite was dosed at 0, 0.5, and 1.5 g 100 g(-1) soil, herein referred to as CK, L, and H, respectively. The soil pH(H2O) increased from 5.25 to 7...
February 21, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28223998/rna-seq-analysis-of-cold-and-drought-responsive-transcriptomes-of-zea-mays-ssp-mexicana-l
#5
Xiang Lu, Xuan Zhou, Yu Cao, Meixue Zhou, David McNeil, Shan Liang, Chengwei Yang
The annual Zea mays ssp. mexicana L. is a member of teosinte, a wild relative of the Zea mays spp. mays L. This subspecies has strong growth and regeneration ability, high tiller numbers, high protein and lysine content as well as resistance to many fungal diseases, and it can be effectively used in maize improvement. In this study, we reported a Zea mays ssp. mexicana L. transcriptome by merging data from untreated control (CK), cold (4°C) and drought (PEG2000, 20%) treated plant samples. A total of 251,145 transcripts (N50 = 1,269 bp) and 184,280 unigenes (N50 = 923 bp) were predicted, which code for homologs of near 47% of the published maize proteome...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28223727/remote-ischemic-perconditioning-prevents-liver-transplantation-induced-ischemia-reperfusion-injury-in-rats-role-of-ros-rns-and-enos
#6
Ning He, Jun-Jun Jia, Jian-Hui Li, Yan-Fei Zhou, Bing-Yi Lin, Yi-Fan Peng, Jun-Jie Chen, Tian-Chi Chen, Rong-Liang Tong, Li Jiang, Hai-Yang Xie, Lin Zhou, Shu-Sen Zheng
AIM: To investigate the underlying mechanisms of the protective role of remote ischemic perconditioning (RIPerC) in rat liver transplantation. METHODS: Sprague-Dawley rats were subjected to sham, orthotopic liver transplantation (OLT), ischemic postconditioning (IPostC) or RIPerC. After 3 h reperfusion, blood samples were taken for measurement of alanine aminotransferase, aspartate aminotransferase, creatinine (Cr) and creatinine kinase-myocardial band (CK-MB). The liver lobes were harvested for the following measurements: reactive oxygen species (ROS), H2O2, mitochondrial membrane potential (ΔΨm) and total nitric oxide (NO)...
February 7, 2017: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/28223230/myotoxicity-of-statins-mechanism-of-action
#7
REVIEW
Patrick du Souich, Ghislaine Roederer, Robert Dufour
Statins are effective drugs to reduce cardiovascular events secondary to dyslipidemia; however, they cause frequent undesirable side effects. The incidence of statin-induced myotoxicity (SIM) is presented by 7 to 29% of patients, depending upon the report. SIM may develop in presence of abnormally high concentrations of statins in the myocyte and/or in presence of muscular conditions that may predispose to SIM. High concentrations of statins in the myocyte may occur whenever the activity of liver influx membrane transporters, namely OATP1B1, of drug metabolizing enzymes, and of liver and muscular efflux transporters, MDR1 and BCRP, is reduced...
February 13, 2017: Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/28222580/acute-and-delayed-responses-of-steroidal-hormones-blood-lactate-and-biomarkers-of-muscle-damage-after-a-resistance-training-session-time-of-day-effects
#8
Achraf Ammar, Hamdi Chtourou, Mouna Turki, Omar Hammouda, Ahmed Chaari, Mariem Boudaya, Tarak Driss, Fatma Ayedi, Nizar Souissi
BACKGROUND: The present study aimed to investigate the effect of time-of-days (TOD) on some biochemical and hormonal responses after resistance training sessions. METHODS: Ten trained subjects (22±2 years) performed, in randomized order, three resistance-training-sessions at 07h:00, 13h:00 and 17h:00. Each training-session included six upper and lower body resistance exercises with 3×10 repetitions. Blood lactate (Lac), creatine kinase (CK), lactate dehydrogenase (LDH), cortisol (C) and testosterone (T) were collected at rest, 3min and 48h after each-session...
February 21, 2017: Journal of Sports Medicine and Physical Fitness
https://www.readbyqxmd.com/read/28221983/biogenic-amines-and-predictive-models-of-quality-of-rainbow-trout-oncorhynchus-mykiss-fillets-during-storage
#9
Qingzheng Li, Jian Lv, Longteng Zhang, Zehong Dong, Ligeng Feng, Yongkang Luo
To estimate biogenic amines and changes in quality of rainbow trout ( Oncorhynchus mykiss ) fillets at different temperatures, we determined the sensory attributes, total volatile basic nitrogen (TVB-N), total viable counts (TVC), and biogenic amines (BAs) of samples that were untreated (CK) or dry cured with 1.8% salt (T). There was no significant difference between CK and T samples in terms of TVB-N, TVC, and BAs. TVB-N and TVC increased significantly (P < 0.05) with storage time at 3, 9, and 15°C. Putrescine (PUT) and cadaverine (CAD) increased significantly (P < 0...
February 2017: Journal of Food Protection
https://www.readbyqxmd.com/read/28220138/de-novo-transcriptome-assembly-of-phomopsis-liquidambari-provides-insights-into-genes-associated-with-different-lifestyles-in-rice-oryza-sativa-l
#10
Jun Zhou, Xin Li, Yan Chen, Chuan-Chao Dai
The mechanisms that trigger the switch from endophytic fungi to saprophytic fungi are largely unexplored. Broad host range Phomopsis liquidambari is established in endophytic and saprophytic systems with rice (Oryza sativa L.). Endophytic P. liquidambari promotes rice growth, increasing rice yield and improving the efficiency of nitrogen fertilizer. This species's saprophytic counterpart can decompose rice litterfall, promoting litter organic matter cycling and the release of nutrients and improving the soil microbial environment...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28219087/muscle-response-to-complete-peripheral-nerve-injury-changes-of-acetylcholine-receptor-and-creatine-kinase-activity-over-time
#11
Shimon Rochkind, Asher Shainberg
Background This study was designed to assess the changes of acetylcholine receptor (AChR) and creatine kinase (CK) levels, which are important biochemical markers for muscle viability in cases of long-term muscle denervation. Scientists and peripheral nerve surgeons may find these data important regarding maximal range of muscle viability applicable for timing of effective peripheral nerve reconstructive surgery. Methods The study was conducted on 48 rats (96 gastrocnemius muscles), whose right legs were denervated by removing a 10-mm segment of sciatic nerve, while their left legs remained intact...
February 20, 2017: Journal of Reconstructive Microsurgery
https://www.readbyqxmd.com/read/28218814/mr-elastography-measurement-of-the-effect-of-passive-warmup-prior-to-eccentric-exercise-on-thigh-muscle-mechanical-properties
#12
Paul Kennedy, Lewis J Macgregor, Eric Barnhill, Curtis L Johnson, Michael Perrins, Angus Hunter, Colin Brown, Edwin J R van Beek, Neil Roberts
PURPOSE: To investigate the effect of warmup by application of the thermal agent Deep Heat (DH) on muscle mechanical properties using magnetic resonance elastography (MRE) at 3T before and after exercise-induced muscle damage (EIMD). MATERIALS AND METHODS: Twenty male participants performed an individualized protocol designed to induce EIMD in the quadriceps. DH was applied to the thigh in 50% of the participants before exercise. MRE, T2 -weighted MRI, maximal voluntary contraction (MVC), creatine kinase (CK) concentration, and muscle soreness were measured before and after the protocol to assess EIMD effects...
February 20, 2017: Journal of Magnetic Resonance Imaging: JMRI
https://www.readbyqxmd.com/read/28217986/the-effects-of-remote-ischemic-conditioning-in-patients-with-st-segment-elevation-myocardial-infarction-treated-with-primary-percutaneous-coronary-intervention-a-meta-analysis
#13
Jing Gao, Qingjie Chen, Fen Liu, Qian Zhao, Bangdang Chen, Yun Zhou, Qiang Zhao, Yitong Ma, Yining Yang
INTRODUCTION: Timely and successful reperfusion is effective at improving outcome in patients presenting with STEMI. However, abrupt restoration of blood flow may cause detrimental myocardial repercussion injury. Remote ischemic conditioning (RIC) is a potent activator of innate protection against ischemia-reperfusion injury. This study assessed remote ischemic conditioning in patients presenting with STEMI treated with primary PCI. EVIDENCE ACQUISITION: Relevant studies were identified through electronic literature search from PubMed, Medline, EMBASE, CNKI, WANFANG, and VIP...
February 17, 2017: Minerva Medica
https://www.readbyqxmd.com/read/28217052/topical-versus-caudal-ketamine-bupivacaine-combination-for-postoperative-analgesia-in-children-undergoing-inguinal-herniotomy
#14
Hala Saad Abdel-Ghaffar, Seham Mohamed Moeen, Ahmed Mohamed Moeen
BACKGROUND: Multiple studies claim that caudal administration of ketamine causes effective postoperative analgesia. The aim of this study was to assess the clinical effectiveness of ketamine after caudal or topical administration in pediatric patients undergoing inguinal herniotomy. PATIENTS AND METHODS: This randomized, comparative, double-blind study included eighty children (aged 6 months to 6 years) received either 1 ml/kg of 0.25% bupivacaine/ketamine 0.5 mg/kg for caudal analgesia (caudal group) or 0...
January 2017: Saudi Journal of Anaesthesia
https://www.readbyqxmd.com/read/28215639/gata3-expression-and-its-relationship-with-clinicopathological-parameters-in-invasive-breast-carcinomas
#15
A Cakir, I Isik Gonul, O Ekinci, B Cetin, M Benekli, O Uluoglu
GATA3, as a transcription factor, is associated with estrogen receptor (ER) expression and necessary for luminal cell differentiation in mammary glands. Association of GATA3 expression with clinicopathological parameters, molecular subtypes of tumors, disease free survival (DFS) and overall survival (OS) for breast carcinoma patients were evaluated in this study. We immunohistochemically stained GATA3, CK5/6, EGFR, CK14 and vimentin on tissue microarray blocks of 457 invasive breast carcinomas. Tumors are sub-classified as luminal A, luminal B, HER2 expressing, basal-like and null type according to their hormonal status with cerbB2, CK 5/6 and EGFR expressions...
January 10, 2017: Pathology, Research and Practice
https://www.readbyqxmd.com/read/28215199/activities-of-some-stress-enzymes-as-indicators-of-slaughter-cattle-welfare-and-their-relationship-with-physico-chemical-characteristics-of-beef
#16
A-Y Chulayo, V Muchenje
The study determined the activities of creatine kinase (CK) and lactate dehydrogenase (LDH) in transported cattle as indicators of welfare and how they relate to beef quality. A total of 219 (n=219) (85 Beefmaster, 48 Charolaise, 32 Holstein-Friesian and 54 nondescript) cattle brought to the abattoir for slaughter were used in the study. Disposable vacutainer tubes with anticoagulant (ethylenediaminetetraacetic acid) were used to collect 4 ml of blood samples to determine the activities of CK and LDH. The measurements of pHu and colour coordinates (L*, a* and b*) were carried out at 48 h after slaughter on the representative samples of muscularis longissimuss thoracis et...
February 20, 2017: Animal: An International Journal of Animal Bioscience
https://www.readbyqxmd.com/read/28214429/interplay-between-autophagy-and-apoptosis-in-selenium-deficient-cardiomyocytes-in-chicken
#17
Jie Yang, Yuan Zhang, Sattar Hamid, Jingzeng Cai, Qi Liu, Hao Li, Rihong Zhao, Hong Wang, Shiwen Xu, Ziwei Zhang
Dietary selenium (Se) deficiency can cause heart dysfunction, however the exact mechanism remains unclear. To understand this mechanism, 180day-old chicks, divided into two groups, C (control group) and L (low Se group), were fed with either a Se-sufficient (0.23mg/kg) or Se-deficient (0.033mg/kg) diets for 25days, respectively. Heart tissues and blood samples were collected. In L group, the activities of serum creatine kinase (CK) and creatine kinase-myoglobin (CK-MB) increased and typical ultrastructural apoptotic features were observed...
February 10, 2017: Journal of Inorganic Biochemistry
https://www.readbyqxmd.com/read/28214375/anti-fatigue-effects-of-troxerutin-on-exercise-endurance-capacity-oxidative-stress-and-mmp-9-levels-in-trained-male-rats
#18
Mohammad Zamanian, Mohammad R Hajizadeh, Ali Esmaeili Nadimi, Ali Shamsizadeh, Mohammad Allahtavakoli
The aim of this study was to investigate effects of troxerutin (TRX) on endurance capacity, oxidative stress and MMP-9 levels in trained male rats. Forty male Wistar rats were divided into five groups. The control (Vehicle) and exercise training (5 days/week) with vehicle treatment (Exercise), exercise training with TRX treatment at 75 (Ex-TRX75), 150 (Ex-TRX150), and 300 mg/kg (Ex-TRX300). The treated groups received TRX by gavage every day while the other groups received water for 30 days. On the 30(th) day, rats were sacrificed immediately after exhaustive swimming test, and some biochemical parameters were measured...
February 18, 2017: Fundamental & Clinical Pharmacology
https://www.readbyqxmd.com/read/28214267/a-japanese-male-with-a-novel-ano5-mutation-with-minimal-muscle-weakness-and-muscle-pain-till-his-late-fifties
#19
Masato Kadoya, Katsuhisa Ogata, Mikiya Suzuki, Yutaka Honma, Kazunari Momma, Kana Yatabe, Takuhisa Tamura, Kenichi Kaida, Naomasa Miyata, Ichizo Nishino, Ikuya Nonaka, Mitsuru Kawai
Limb girdle muscular dystrophy type 2L (LGMD2L) is an adult-onset slowly progressive muscular dystrophy associated with anoctamin 5 (ANO5) gene mutation, mainly reported from Northern and Central Europe. We report the case of a Japanese male patient with a novel homozygous mutation of c.2394dup, p.Arg799Thrfs in ANO5 gene, the second patient in the Asian population. He had had marked elevation of creatine kinase (CK) level for more than 10 years with minimal muscular symptoms consisting of muscle stiffness and occasional cramps, preceding the onset of proximal limb weakness...
January 18, 2017: Neuromuscular Disorders: NMD
https://www.readbyqxmd.com/read/28213066/inguinal-lymph-node-presenting-as-the-delayed-site-of-metastasis-in-early-stage-endometrial-carcinoma-case-report
#20
Shomaila Amir M Akbar, Mutahir A Tunio, Wafa AlShakweer, AbdulAziz AlObaid, Mushabbab AlAsiri
INTRODUCTION: Inguinal lymph nodes are the frequent sites of metastasis for malignant lymphoma, squamous cell carcinoma of anal canal, vulva and penis, malignant melanoma and squamous cell carcinoma of skin over lower extremities or trunk. Anatomically, endometrial carcinoma is less likely to spread to the superficial or deep inguinal lymph nodes, thus metastatic involvement of these lymph nodes can easily be overlooked. CASE PRESENTATION: Here-in we report a case of a 65-year old Saudi morbid obese female, who presented with left inguinal lymphadenopathy as initial delayed site of metastasis almost 19 months after the initial treatment for FIGO IA endometrial carcinoma...
January 19, 2017: International Journal of Surgery Case Reports
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