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https://www.readbyqxmd.com/read/29334583/effects-of-carnosine-beta-alanyl-l-histidine-in-an-experimental-rat-model-of-acute-kidney-injury-due-to-septic-shock
#1
Sabiha Sahin, Dilek Burukoglu Donmez
BACKGROUND Acute kidney injury (AKI) secondary to sepsis is a major cause of morbidity and mortality in the human intensive care unit (ICU). Kidney function and the histological findings of AKI were investigated in an experimental rat model with sepsis induced by cecal ligation and puncture (CLP) and compared with and without treatment with carnosine (beta-alanyl-L-histidine). MATERIAL AND METHODS Twenty-four Sprague-Dawley rats were randomly divided into three groups consisting eight rats in each: Group 1 - control; Group 2 - septic shock; and Group 3 - septic shock treated with carnosine...
January 15, 2018: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/29334279/uric-acid-and-the-vaccine-adjuvant-activity-of-aluminum-oxy-hydroxide-nanoparticles
#2
Sachin G Thakkar, Haiyue Xu, Xu Li, Zhengrong Cui
In an effort to improve the adjuvanticity of insoluble aluminum salts, we discovered that the adjuvant activity of aluminum salt nanoparticles is significantly stronger than aluminum salt microparticles, likely related to nanoparticle's stronger ability to directly activate NLRP3 inflammasome as the nanoparticles are more efficiently taken up by phagocytic cells. Endogenous signals such as uric acid from cell damage or death caused by the cytotoxicity of aluminum salts are thought to indirectly activate inflammasome, prompting us to hypothesize that the potent adjuvant activity of aluminum salt nanoparticles is also related to their ability to stimulate uric acid production...
January 15, 2018: Journal of Drug Targeting
https://www.readbyqxmd.com/read/29333379/broccoli-brassica-oleracea-reduces-oxidative-damage-to-pancreatic-tissue-and-combats-hyperglycaemia-in-diabetic-rats
#3
Sithara Suresh, Mostafa Ibrahim Waly, Mohammad Shafiur Rahman, Nejib Guizani, Mohamed Abdullah Badar Al-Kindi, Halima Khalfan Ahmed Al-Issaei, Sultan Nasser Mohd Al-Maskari, Bader Rashid Said Al-Ruqaishi, Ahmed Al-Salami
Oxidative stress plays a pivotal role in the development of diabetes and hyperglycaemia. The protective effects of natural extracts against diabetes are mainly dependent on their antioxidant and hypoglycaemic properties. Broccoli (Brassica oleracea) exerts beneficial health effects in several diseases including diabetes; however, the mechanism has not been elucidated yet. The present study was carried out to evaluate the potential hypoglycaemic and antioxidant properties of aqueous broccoli extracts (BEs) in diabetic rats...
December 2017: Preventive Nutrition and Food Science
https://www.readbyqxmd.com/read/29333040/pharmacological-screening-of-trachyspermum-ammi-for-antihyperlipidemic-activity-in-triton-x-100-induced-hyperlipidemia-rat-model
#4
Uzma Saleem, Saba Riaz, Bashir Ahmad, Mohammad Saleem
Background: Mortality rate is increasing due to cardiovascular problems throughout the world. These cardiac problems are directly associated with dyslipidemia. Aim: The aim of this study was to evaluate the antihyperlipidemic effect of aqueous extract and methanol extract of Trachyspermum ammi at 1 g/kg, 3 g/kg, and 5 g/kg dose levels in rats. Materials and Methods: For this purpose, 45 male albino rats were used and randomly divided into nine equal groups (n = 5)...
December 2017: Pharmacognosy Research
https://www.readbyqxmd.com/read/29332858/the-effect-of-thiamine-and-its-metabolites-on-peripheral-neuropathic-pain-induced-by-cisplatin-in-rats
#5
Didem Onk, Renad Mammadov, Bahadir Suleyman, Ferda Keskin Cimen, Murat Cankaya, Vahdet Gul, Durdu Altuner, Onur Senol, Yucel Kadioglu, Ismail Malkoc, Halis Suleyman
Thiamine pyrophosphate (TPP) is the active metabolite of thiamine. This study aimed to investigate the effects of thiamine and TPP on cisplatin-induced peripheral neuropathic pain (PNP). Male albino Wistar type Rattus norvegicus were divided into six groups (n=6) that received 2 mg/kg cisplatin (CIS), 25 mg/kg thiamine (TM), 2 mg/kg cisplatin+25 mg/kg thiamine (CTM), 25 mg/kg TPP (TPP), 2 mg/kg cisplatin+25 mg/kg TPP (CTPP), or distilled water (healthy group; HG) for 8 days intraperitoneally. Analgesic effect was measured with a Basile Algesimeter...
January 12, 2018: Experimental Animals
https://www.readbyqxmd.com/read/29332351/cytoreductive-surgery-and-hyperthermic-intraperitenoal-chemotherapy-hipec-for-colorectal-and-appendiceal-carcinomas-with-peritoneal-carcinomatosis
#6
Nicolaos Pallas, Christina Karamveri, Dimitrios Kyziridis, Christos Hristakis, Vasileios Kyriakopoulos, Apostolos Kalakonas, Dimitrios Vaikos, Antonios-Apostolos K Tentes
PURPOSE: Cytoreductive surgery combined with intraperitoneal chemotherapy has been established as the standard treatment for selected patients with peritoneal malignancy. The purpose of the study was the presentation of the 10- year experience with cytoreductive surgery and intraperitoneal chemotherapy in patients with peritoneal carcinomatosis of colorectal and appendiceal origin. METHODS: Clinical and histopathological variables were retrospectively reviewed in a prospectively maintained database...
November 2017: Journal of B.U.ON.: Official Journal of the Balkan Union of Oncology
https://www.readbyqxmd.com/read/29331881/ameliorative-role-of-genistein-against-age-dependent-chronic-arsenic-toxicity-in-murine-brains-via-the-regulation-of-oxidative-stress-and-inflammatory-signaling-cascades
#7
Sukanya Saha, Pritam Sadhukhan, Sushweta Mahalanobish, Sayanta Dutta, Parames C Sil
Brain is highly prone to oxidative damage due to its huge lipid content and extensive energy requirements. Exogenous insult in brain via oxidative injury can lead to severe pathophysiological conditions. Age-dependent deterioration of normal brain functions is also noteworthy. Genistein, a polyphenolic isoflavonoid, obtained from the soy plant, is well known to protect against several diseased conditions. Here, in this study chronic brain toxicity model was developed using oral administration of arsenic for 90 days in adult and aged murines...
December 12, 2017: Journal of Nutritional Biochemistry
https://www.readbyqxmd.com/read/29331663/a-multi-center-randomized-trial-to-evaluate-hematologic-toxicities-after-hyperthermic-intraperitoneal-chemotherapy-with-oxaliplatin-or-mitomycin-in-patients-with-appendiceal-tumors
#8
Edward A Levine, Konstantinos I Votanopoulos, Perry Shen, Greg Russell, Joyce Fenstermaker, Paul Mansfield, David Bartlett, John H Stewart
BACKGROUND: Appendiceal cancer is a rare disease, which has proven difficult to study in prospective trials. Cytoreductive surgery with HIPEC is an established therapy for peritoneal dissemination from appendiceal cancer. The optimal chemotherapeutic agent to use in the HIPEC is not clear. Mitomycin has long been the utilized, however our previous phase I experience, and European retrospective studies suggest oxaliplatin as an alternative. Therefore, we initiated a multicenter randomized trial to compare mitomycin to oxaliplatin HIPEC for appendiceal cancer...
January 10, 2018: Journal of the American College of Surgeons
https://www.readbyqxmd.com/read/29331651/activation-of-p62-keap1-nrf2-antioxidant-pathway-in-the-early-stage-of-acetaminophen-induced-acute-liver-injury-in-mice
#9
Zhenyu Shen, Yu Wang, Zhenhui Su, Ruirui Kou, Keqin Xie, Fuyong Song
Acetaminophen (APAP) overdose can cause severe liver failure even death. Nearly half of drug-induced liver injury is attributed to APAP in the US and many European countries. Oxidative stress has been validated as a critical event involved in APAP-induced liver failure. p62/SQSTM1, a selective autophagy adaptor protein, is reported to regulate Nrf2-ARE antioxidant pathway in response to oxidative stress. However, the exact role of p62-keap1-Nrf2 antioxidant pathway in APAP-induced hepatotoxicity remains unknown...
January 10, 2018: Chemico-biological Interactions
https://www.readbyqxmd.com/read/29331532/high-fat-diet-mediates-anxiolytic-like-behaviors-in-a-time-dependent-manner-through-the-regulation-of-sirt1-in-the-brain
#10
Liu Xu, Shuang Xu, Lifang Lin, Xi Gu, Congcong Fu, Yingying Fang, Xiaowen Li, Xuemin Wang
The consumption of a high-fat diet (HFD) and obesity have been associated not only with metabolic diseases but also with neuropsychiatric diseases, such as depression and anxiety. However, results on the effects of an HFD on anxiety are controversial, since both anxiogenic and anxiolytic effects have been reported. In this study, we evaluated the effects of both short- and long-term intake of an HFD on anxiety-like behaviors. To explore the impact of time on the association between an HFD and anxiety, mice were fed with an HFD for 4 weeks or 12 weeks...
January 10, 2018: Neuroscience
https://www.readbyqxmd.com/read/29331496/maternal-betaine-supplementation-attenuates-glucocorticoid-induced-hepatic-lipid-accumulation-through-epigenetic-modification-in-adult-offspring-rats
#11
Nannan Zhao, Shu Yang, Yimin Jia, Bo Sun, Bin He, Ruqian Zhao
There are lots of reports about alleviation of NAFLD by dietary supplements of betaine. However, it remains unclear whether maternal betaine supplementation can also ameliorate NAFLD in offspring. Hence, twenty pregnant rats were fed with a basal diet with or without betaine (1%), and then the female offspring rats were raised at 3 months of age followed by 3 weeks of physiological saline or dexamethasone in a dose of 0.1 mg/kg body mass every day via intraperitoneal injection. In this study, maternal betaine supplementation significantly (P<...
December 11, 2017: Journal of Nutritional Biochemistry
https://www.readbyqxmd.com/read/29330944/improvement-of-islet-function-and-survival-by-integration-of-perfluorodecalin-into-microcapsules-in-vivo-and-in-vitro
#12
Sang-Ho Lee, Heon-Seok Park, Yeoree Yang, Eun-Young Lee, Ji-Won Kim, Gilson Khang, Kun-Ho Yoon
Hypoxic injury of islets is a major obstacle for encapsulated islet transplantation into the peritoneal cavity. To improve oxygen delivery to encapsulated islets, we integrated 20% of the oxygen carrier material, perfluorodecalin (PFD), in alginate capsules mixed with islets (PFD-alginate). Integration of PFD clearly improved islet viability and decreased reactive oxygen species production compared to islets encapsulated with alginate only (alginate) and naked islets exposed to hypoxia in vitro. In PFD-alginate capsules, HIF-1α expression was minimal, and insulin expression was well maintained...
January 12, 2018: Journal of Tissue Engineering and Regenerative Medicine
https://www.readbyqxmd.com/read/29330717/posterior-retroperitoneoscopic-resection-of-extra-adrenal-paraganglioma-located-in-the-aorto-caval-space
#13
Sang-Wook Kang, Emad Kandil, Min Jhi Kim, Kwang Soon Kim, Cho Rok Lee, Jong Ju Jeong, Kee-Hyun Nam, Woong Youn Chung, Cheong Soo Park
BACKGROUND: The posterior retroperitoneoscopic adrenalec tomy has several advantages compared with the transperitoneal approach such as a shorter and more direct route to the target organ, no breach of the intraperitoneal space, and no required retraction of the adjacent organs. It also is a safe procedure with a short learning curve.1-5 This report presents a challenging case of an extra-adrenal paraganglioma located in the aorto-caval space and managed using the retroperitoneal approach...
January 12, 2018: Annals of Surgical Oncology
https://www.readbyqxmd.com/read/29330531/low-density-neutrophils-ldn-in-postoperative-abdominal-cavity-assist-the-peritoneal-recurrence-through-the-production-of-neutrophil-extracellular-traps-nets
#14
Rihito Kanamaru, Hideyuki Ohzawa, Hideyo Miyato, Shiro Matsumoto, Hidenori Haruta, Kentaro Kurashina, Shin Saito, Yoshinori Hosoya, Hironori Yamaguchi, Hiroharu Yamashita, Yasuyuki Seto, Alan Kawarai Lefor, Naohiro Sata, Joji Kitayama
Many types of immune cells appear in peritoneal cavity after abdominal surgery. In patients who underwent laparotomy due to gastric cancer, peritoneal lavages were obtained before and after surgical procedure. Cells were recovered from intermediate layer after Ficoll-Hypaque centrifugation and analyzed for phenotypes and functions, especially focused on low density neutrophils (LDN). The number of CD66b (+) LDN with mature phenotype was markedly elevated in postoperative as compared with preoperative lavages...
January 12, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29330473/endothelial-heparan-sulfate-deficiency-reduces-inflammation-and-fibrosis-in-murine-diabetic-nephropathy
#15
Ditmer T Talsma, Kirankumar Katta, Marieke A B Ettema, Berna Kel, Marion Kusche-Gullberg, Moh R Daha, Coen A Stegeman, Jacob van den Born, Lianchun Wang
Inflammation plays a vital role in the development of diabetic nephropathy, but the underlying regulatory mechanisms are only partially understood. Our previous studies demonstrated that, during acute inflammation, endothelial heparan sulfate (HS) contributes to the adhesion and transendothelial migration of leukocytes into perivascular tissues by direct interaction with L-selectin and the presentation of bound chemokines. In the current study, we aimed to assess the role of endothelial HS on chronic renal inflammation and fibrosis in a diabetic nephropathy mouse model...
January 12, 2018: Laboratory Investigation; a Journal of Technical Methods and Pathology
https://www.readbyqxmd.com/read/29330224/vitamin-d-ameliorates-impaired-wound-healing-in-streptozotocin-induced-diabetic-mice-by-suppressing-nf-%C3%AE%C2%BAb-mediated-inflammatory-genes-expression
#16
Yifeng Yuan, Sushant K Das, MaoQuan Li
[Background] : Diabetic wounds are characterized by delayed wound healing due to persistent inflammation and excessive production of reactive oxygen species. Vitamin D, which is well acknowledged as enhanced intestinal calcium absorption and increase in plasma calcium level, has recently been shown to display beneficial effects in various vascular diseases by promoting angiogenesis and inhibiting inflammatory responses. However the role of Vitamin Din diabetic wound healing is still unclear. [Materials and Methods] : In the present study, we investigated the role of Vitamin D in cutaneous wound healing in streptozotocin (STZ) induced diabetic mice...
January 12, 2018: Bioscience Reports
https://www.readbyqxmd.com/read/29329983/attenuation-of-noise-induced-hyperactivity-in-the-dorsal-cochlear-nucleus-by-pre-treatment-with-mk-801
#17
M W Criddle, D A Godfrey, J A Kaltenbach
It has previously been hypothesized that hyperactivity of central auditory neurons following exposure to intense noise is a consequence of synaptic alterations. Recent studies suggest the involvement of NMDA receptors in the induction of this hyperactive state. NMDA receptors can mediate long term changes in the excitability of neurons through their involvement in excitotoxic injury and long term potentiation and depression. In this study, we examined the effect of administering an NMDA receptor blocker on the induction of hyperactivity in the dorsal cochlear nucleus (DCN) following intense sound exposure...
January 9, 2018: Brain Research
https://www.readbyqxmd.com/read/29329906/development-of-a-quick-bioassay-for-the-evaluation-of-transmission-properties-of-acquired-prion-diseases
#18
Yoshiko Munesue, Taishi Shimazaki, Zechen Qi, Norikazu Isoda, Hirofumi Sawa, Keisuke Aoshima, Takashi Kimura, Shirou Mohri, Tetsuyuki Kitamoto, Atsushi Kobayashi
Evaluation of transmission properties is important for the differential diagnosis of a subgroup of acquired Creutzfeldt-Jakob disease (CJD) with methionine homozygosity at polymorphic codon 129 of the PRNP gene, an intermediate type abnormal prion protein (PrP), and kuru plaques, denoted as acquired CJD-MMiK. The present study aimed to develop a quick evaluation system of the transmission properties of acquired CJD-MMiK. In the PrP-humanized mice intraperitoneally inoculated with brain homogenates from an acquired CJD-MMiK patient, accumulation of abnormal PrP was observed in follicular dendritic cells of the spleen at 75 days post-inoculation...
January 9, 2018: Neuroscience Letters
https://www.readbyqxmd.com/read/29329251/pharmacological-investigation-of-the-anti-inflammation-and-anti-oxidation-activities-of-diallyl-disulfide-in-a-rat-emphysema-model-induced-by-cigarette-smoke-extract
#19
Yan Liu, Ang Li, Xiuli Feng, Xiao Sun, Xiaosong Zhu, Zhongxi Zhao
Diallyl disulfide (DADS) is the main organosulfur ingredient in garlic, with known antioxidant and anti-inflammatory activities. The aim of the present study was to investigate the effect of DADS on reducing the inflammation and redox imbalance in a rat emphysema model that was induced by intraperitoneal injection of cigarette smoke extract (CSE). Briefly, DADS exerted an anti-inflammation effect on emphysema rats through decreasing cell influx in the bronchoalveolar lavage fluid (BALF) and suppressing pro-inflammation cytokine production including tumor necrosis factor alpha (TNF-α), interleukin-1β (IL-1β), interleukin-6 (IL-6) via inhibiting the NF-κB pathway...
January 12, 2018: Nutrients
https://www.readbyqxmd.com/read/29329211/causation-of-acute-flaccid-paralysis-by-myelitis-and-myositis-in-enterovirus-d68-infected-mice-deficient-in-interferon-%C3%AE-%C3%AE-%C3%AE-receptor-deficient-mice
#20
John D Morrey, Hong Wang, Brett L Hurst, Katherine Zukor, Venkatraman Siddharthan, Arnaud J Van Wettere, Donal G Sinex, E Bart Tarbet
Enterovirus D68 (EV-D68) caused a large outbreak in the summer and fall of 2014 in the United States. It causes serious respiratory disease, but causation of associated paralysis is controversial, because the virus is not routinely identified in cerebrospinal fluid. To establish clinical correlates with human disease, we evaluated EV-D68 infection in non-lethal paralysis mouse models. Ten-day-old mice lacking interferon responses were injected intraperitoneally with the virus. Paralysis developed in hindlimbs...
January 12, 2018: Viruses
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