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International Journal of Physiology, Pathophysiology and Pharmacology

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https://www.readbyqxmd.com/read/27785340/comparison-of-the-therapeutic-effectiveness-of-human-cd34-and-rat-bone-marrow-mesenchymal-stem-cells-on-improvement-of-experimental-liver-fibrosis-in-wistar-rats
#1
Hayam G Sayyed, Amany Osama, Naglaa K Idriss, Dina Sabry, Azza S Abdelrhim, Rania Bakry
BACKGROUND AND OBJECTIVE: Human umbilical cord blood (UCB) cells and bone marrow mesenchymal stem cells (BM-MSCs) have numerous advantages as grafts for cell transplantation. We hypothesized differing impacts of human UCB cells and rat BM-MSCs on reversal of hepatic injury and revival of liver function in carbon tetrachloride (CCl4)-induced liver fibrosis. METHODS: Forty rats were divided into 4 groups; control group, CCl4 group, CCl4/CD34(+) group and CCl4/BM-MSCs group...
2016: International Journal of Physiology, Pathophysiology and Pharmacology
https://www.readbyqxmd.com/read/27785339/sirt2-plays-a-significant-role-in-maintaining-the-survival-and-energy-metabolism-of-piec-endothelial-cells
#2
Jie Zhang, Caixia Wang, Hui Nie, Danhong Wu, Weihai Ying
SIRT2, a member of the sirtuin (SIRT1-7) family, is a tubulin deacetylase. It has been reported that SIRT2 mediates cellular stress responses and is highly expressed in vascular endothelial cells, while its roles in cell survival and energy metabolism of endothelial cells remain unknown. In the current study, we tested our hypothesis that SIRT2 plays an important role in the cell survival and energy metabolism of endothelial cells, using a porcine vascular endothelial cell line (PIEC) as a cellular model. Our study showed that both SIRT2 inhibitor AGK2 and SIRT2 siRNA led to a significant reduction of the cell survival of PIEC cells...
2016: International Journal of Physiology, Pathophysiology and Pharmacology
https://www.readbyqxmd.com/read/27785338/dose-dependent-effects-of-sevoflurane-exposure-during-early-lifetime-on-apoptosis-in-hippocampus-and-neurocognitive-outcomes-in-sprague-dawley-rats
#3
Xue Zhou, Wenda Li, Xiaohui Chen, Xiaoyu Yang, Zhibin Zhou, Dihan Lu, Xia Feng
Sevoflurane has become a main method for induction of anesthesia in pediatric populations. Preclinical evidence suggest the neurotoxic effect of volatile anesthetics on the developing brain including sevoflurane. This study investigates the effect of different doses of sevoflurane on the developing brain. In this study, Sprague-Dawley rats of postnatal (P) day 7 were exposed to 0.3%, 1.3% and 2.3% sevoflurane for 6 hours. 6 hours after exposure, Nissl staining was performed to observe the morphological changes of the hippocampus and western-blot was done to evaluate the expression changes in cytochrome c, cleaved caspase-3, Bcl-2 and Bax...
2016: International Journal of Physiology, Pathophysiology and Pharmacology
https://www.readbyqxmd.com/read/27785337/erratum-a-novel-ampk-activator-from-chinese-herb-medicine-and-ischemia-phosphorylate-the-cardiac-transcription-factor-foxo3
#4
Jingying Wang, Heng Ma, Xiaoyu Zhang, Leilei He, Jianming Wu, Xiaoping Gao, Jun Ren, Ji Li
[This corrects the article on p. 116 in vol. 1, PMID: 20445824.].
2016: International Journal of Physiology, Pathophysiology and Pharmacology
https://www.readbyqxmd.com/read/27785336/type-3-adenylyl-cyclase-a-key-enzyme-mediating-the-camp-signaling-in-neuronal-cilia
#5
REVIEW
Liyan Qiu, Robert P LeBel, Daniel R Storm, Xuanmao Chen
Cilia are rigid, centriole-derived, microtubule-based organelles present in a majority of vertebrate cells including neurons. They are considered the cellular "antennae" attuned for detecting a range of extracellular signals including photons, odorants, morphogens, hormones and mechanical forces. The ciliary microenvironment is distinct from most actin-based subcellular structures such as microvilli or synapses. In the nervous system, there is no evidence that neuronal cilia process any synaptic structure. Apparently, the structural features of neuronal cilia do not allow them to harbor any synaptic connections...
2016: International Journal of Physiology, Pathophysiology and Pharmacology
https://www.readbyqxmd.com/read/27785335/single-session-of-sprint-interval-training-elicits-similar-cardiac-output-but-lower-oxygen-uptake-versus-ramp-exercise-to-exhaustion-in-men-and-women
#6
Trevor Horn, Garret Roverud, Kandice Sutzko, Melissa Browne, Cristina Parra, Todd A Astorino
Sprint interval training (SIT) elicits comparable long-term adaptations versus continuous exercise training (CEX) including increased maximal oxygen uptake (VO2max) and fat utilization. However, there is limited research examining acute hemodynamic responses to SIT. The aim of this study was to examine hemodynamic responses to low-volume SIT. Active men (n=6, VO2max = 39.8 ± 1.7 mL/kg/min) and women (n=7, VO2max = 37.3 ± 5.7 mL/kg/min) performed a ramp-based VO2max test (RAMP) to determine workload for the SIT session...
2016: International Journal of Physiology, Pathophysiology and Pharmacology
https://www.readbyqxmd.com/read/27785334/modulatory-influence-of-parkia-biglobosa-protein-isolate-on-testosterone-and-biomarkers-of-oxidative-stress-in-brain-and-testes-of-streptozotocin-induced-diabetic-male-rats
#7
Bolajoko Idiat Ogunyinka, Babatunji Emmanuel Oyinloye, Foluso Oluwagbemiga Osunsanmi, Andrew Rowland Opoku, Abidemi Paul Kappo
Parkia biglobosa seed an important household spice commonly consumed in Nigeria is believed to possess antioxidant activity that may exert modulatory effects in diabetes and diabetic complications. This study investigated the modulatory potential of Parkia biglobosa protein isolate (PBPi) on serum testosterone (sTT) level as well as its influence on biomarkers of oxidative stress in brain and testes of streptozotocin-induced diabetic male rats. Animals were made diabetic by single intraperitoneal administration of streptozotocin (STZ; 60 mg/kg body weight)...
2016: International Journal of Physiology, Pathophysiology and Pharmacology
https://www.readbyqxmd.com/read/27570581/the-effect-of-aliskiren-on-the-renal-dysfunction-following-unilateral-ureteral-obstruction-in-the-rat
#8
Fayez T Hammad, Loay Lubbad
PURPOSE: To investigate the effect of blocking renin-angiotensin system by direct renin inhibition using aliskiren on the renal dysfunction following reversible unilateral ureteral obstruction (UO). METHODS: Wistar rats underwent reversible left UO for 72 hours. Group-Alsk (n=12) received aliskiren (30 mg/kg/day) dissolved in water starting one day before creating UO and continued until the terminal experiment five days post reversal when renal functions were measured using clearance techniques...
2016: International Journal of Physiology, Pathophysiology and Pharmacology
https://www.readbyqxmd.com/read/27570580/sphingolipids-in-spinal-cord-injury
#9
REVIEW
Zachary B Jones, Yi Ren
Spinal cord injury (SCI) is a debilitating condition that affects millions of individuals worldwide. Despite progress over the last few decades, the molecular mechanisms of secondary SCI that continue to occur days and weeks after the original trauma remain poorly understood. As a result, current therapies for SCI are only marginally effective. Sphingolipids, a diverse class of bioactive lipids, have been shown to regulate SCI repair and key secondary injury processes such as apoptosis, ischemia and inflammation...
2016: International Journal of Physiology, Pathophysiology and Pharmacology
https://www.readbyqxmd.com/read/27186322/zinc-wave-during-the-treatment-of-hypoxia-is-required-for-initial-reactive-oxygen-species-activation-in-mitochondria
#10
Kira G Slepchenko, Qiping Lu, Yang V Li
Mitochondrial reactive oxygen species (ROS) are known to accumulate during chemical hypoxia, causing adverse effects on cell function and survival. Recent studies show important role zinc accumulation plays in dysfunction associated with hypoxia. It is well known that ROS accumulation also plays a major role in cellular damage by hypoxia. In this study, fluorescent imaging and pharmacological methods were used in live HeLa cells to determine role of zinc in initial ROS accumulation in mitochondria during chemical hypoxia (oxygen glucose depravation with 4 mM sodium dithionite)...
2016: International Journal of Physiology, Pathophysiology and Pharmacology
https://www.readbyqxmd.com/read/27186321/intracellular-zinc-distribution-in-mitochondria-er-and-the-golgi-apparatus
#11
Qiping Lu, Hariprakash Haragopal, Kira G Slepchenko, Christian Stork, Yang V Li
Zinc (Zn(2+)) is required for numerous cellular functions. As such, the homeostasis and distribution of intracellular zinc can influence cellular metabolism and signaling. However, the exact distribution of free zinc within live cells remains elusive. Previously we showed the release of zinc from thapsigargin/IP3-sensitive endoplasmic reticulum (ER) storage in cortical neurons. In the present study, we investigated if other cellular organelles also contain free chelatable zinc and function as organelle storage for zinc...
2016: International Journal of Physiology, Pathophysiology and Pharmacology
https://www.readbyqxmd.com/read/27186320/role-of-autophagy-in-megakaryocyte-differentiation-and-platelet-formation
#12
REVIEW
Tao You, Qi Wang, Li Zhu
Autophagy is a conserved biological process for digestion and recycling of cytoplasmic constituents in eukaryotic cells. Autophagy may trigger cell death or promote cell survival following various forms of stress. The emerging roles of autophagy in megakaryopoiesis, thrombopoiesis, and platelet function have been uncovered using not only in vitro and in vivo genetic models, but also in clinical observations of autophagic structure in patients with thrombocytopenic disorders. Inhibition of autophagy in early stage of megakaryocyte differentiation appears to impede megakaryocyte maturation, reduce platelet formation, and affect platelet function, whereas autophagic deficiency in mature megakaryocytes gives rise to abnormal platelet activation and function without changing platelet size and number...
2016: International Journal of Physiology, Pathophysiology and Pharmacology
https://www.readbyqxmd.com/read/27186319/the-mitochondria-targeted-antioxidant-mitoq-attenuates-liver-fibrosis-in-mice
#13
Hasibur Rehman, Qinlong Liu, Yasodha Krishnasamy, Zengdun Shi, Venkat K Ramshesh, Khujista Haque, Rick G Schnellmann, Michael P Murphy, John J Lemasters, Don C Rockey, Zhi Zhong
Oxidative stress plays an essential role in liver fibrosis. This study investigated whether MitoQ, an orally active mitochondrial antioxidant, decreases liver fibrosis. Mice were injected with corn oil or carbon tetrachloride (CCl4, 1:3 dilution in corn oil; 1 µl/g, ip) once every 3 days for up to 6 weeks. 4-Hydroxynonenal adducts increased markedly after CCl4 treatment, indicating oxidative stress. MitoQ attenuated oxidative stress after CCl4. Collagen 1α1 mRNA and hydroxyproline increased markedly after CCl4 treatment, indicating increased collagen formation and deposition...
2016: International Journal of Physiology, Pathophysiology and Pharmacology
https://www.readbyqxmd.com/read/27186318/neuroprotective-effect-of-lidocaine-is-there-clinical-potential
#14
REVIEW
Tiandong Leng, Xiuren Gao, James P Dilger, Jun Lin
Local anesthetic lidocaine has been shown to be protective in animal models of focal and global ischemia as well as in in vitro hypoxic models. Lidocaine has been tested in patients for its potential protective effect on postoperative cognitive dysfunction. This mini-review summarizes the laboratory and clinical evidences and discusses its clinical applications as neuroprotective agent.
2016: International Journal of Physiology, Pathophysiology and Pharmacology
https://www.readbyqxmd.com/read/27186317/optogenetics-for-neurodegenerative-diseases
#15
REVIEW
Kiara T Vann, Zhi-Gang Xiong
Neurodegenerative diseases are devastating conditions that lead to progressive degeneration of neurons. Neurodegeneration may result in ataxia, dementia, and muscle atrophies, etc. Despite enormous research efforts that have been made, there is lack of effective therapeutic interventions for most of these diseases. Optogenetics is a recently developed novel technique that combines optics and genetics to modulate the activity of specific neurons. Optogenetics has been implemented in various studies including neuropsychiatric disorders and neurodegenerative diseases...
2016: International Journal of Physiology, Pathophysiology and Pharmacology
https://www.readbyqxmd.com/read/27073595/association-analysis-of-hla-dra-in-chinese-patients-with-sporadic-parkinson-s-disease
#16
Ming-Shu Mo, You-Sheng Xiao, Zhuo-Hua Wu, Cong-Cong Sun, Li-Min Zhang, Luan Cen, Xiang Chen, Shao-Gang Qu, Xin-Ling Yang, Ping-Yi Xu
Our aim is to explore the linkage between single nucleotide polymorphisms (SNPs) in human leukocyte antigen (HLA)-DRA and Parkinson's disease (PD). 542 sporadic PD patients and 674 healthy controls were recruited to investigate this association in the Chinese population by the screening of 15 SNPs in HLA-DRA, and the association of rs3129882 was further re-evaluated by performing meta-analysis and meta-regression analysis. No SNPs in HLA-DRA were significantly associated with PD in the Chinese patients. Although the rs3129882 allele-G frequency in the Caucasian population was lower than that in Chinese population, meta-analysis showed no association of rs3129882 allele-G with PD in the Chinese or Caucasian population...
2015: International Journal of Physiology, Pathophysiology and Pharmacology
https://www.readbyqxmd.com/read/27073594/effect-of-green-tea-camellia-sinensis-l-leaf-extract-on-reproductive-system-of-adult-male-albino-rats
#17
Shyamal Kanti Das, Soumendra Nath Karmakar
Green tea leaf extract (GTLE), used in this experiment has shown great influence on male reproductive system functionally as well as morphologically. The extract was prepared according to the method of Wei. H. et al. The extract was given to two different experimental animal groups with two different doses during 26 consecutive days. After treatment it was found that, the weight of the testis was markedly reduced instead of normal weight gain of all the animals. The sperm count and motility were reduced for the treated groups as compared with control animal group...
2015: International Journal of Physiology, Pathophysiology and Pharmacology
https://www.readbyqxmd.com/read/27073593/sevoflurane-enhances-neuromuscular-blockade-by-increasing-the-sensitivity-of-skeletal-muscle-to-neuromuscular-blockers
#18
Ling Ye, Yunxia Zuo, Peng Zhang, Pingliang Yang
The aim of this study was to investigate the effects of sevoflurane on skeletal muscle contractility. In the first part, twenty-two American Society of Anesthesiology (ASA I-II) female adult patients undergoing elective hysterectomy surgery inhaled sevoflurane 1.0, 1.5 and 2.0 minimum alveolar concentrations (MAC) in succession. Neuromuscular function was assessed at each dose. In the second part, forty-four ASA I-II female adult patients were randomized into four groups: group 1 (propofol + atracurium, sevoflurane 0 MAC), and groups 2 to 4 (atracurium + sevoflurane 1...
2015: International Journal of Physiology, Pathophysiology and Pharmacology
https://www.readbyqxmd.com/read/27073592/characterization-of-the-apelin-1860t-c-polymorphism-in-turkish-coronary-artery-disease-patients-and-healthy-individuals
#19
Raziye Akcılar, Gündüz Yümün, Zeynep Bayat, Okan Donbaloğlu, Kubilay Erselcan, Ezgi Ece, Hülya Kökdaşgil, Osman Genç
To evaluate the association between the apelin -1860T>C polymorphism and plasma apelin levels in Turkish patients with coronary artery disease (CAD). A total of 276 individuals were enrolled in the present study, including 158 patients with CAD and 118 individuals without CAD as controls. The presence of the apelin -1860T>C gene polymorphism and plasma apelin levels were determined using polymerase chain reaction/restriction fragment length polymorphism and enzyme-linked immunosorbent assay, respectively...
2015: International Journal of Physiology, Pathophysiology and Pharmacology
https://www.readbyqxmd.com/read/26823965/meta-analysis-of-the-efficacy-of-lansoprazole-and-omeprazole-for-the-treatment-of-h-pylori-associated-duodenal-ulcer
#20
Yi Zeng, Yutong Ye, Desen Liang, Chao Guo, Lijie Li
OBJECTIVE: To conduct a systematic evaluation of the efficacy of lansoprazole and omeprazole for the treatment of Helicobacter pylori-associated duodenal ulcer. METHODS: Online databases, including CHKD, VIP, China Info, the National Digital Library of China, Google Scholar, PubMed, Lippincott Williams & Wilkins, and Wiley Online Library were searched for related studies. The quality of the studies was evaluated in accordance with the Cochrane Handbook for Systematic Reviews of Interventions, and relevant information was extracted from them...
2015: International Journal of Physiology, Pathophysiology and Pharmacology
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