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https://www.readbyqxmd.com/read/28226198/olanzapine-induced-early-cardiovascular-effects-are-mediated-by-the-biological-clock-and-prevented-by-melatonin
#1
Francisco Romo-Nava, Frederik N Buijs, Marcela Valdés-Tovar, Gloria Benítez-King, MariCarmen Basualdo, Mercedes Perusquía, Gerhard Heinze, Carolina Escobar, Ruud M Buijs
Second generation antipsychotics (SGA) are associated with adverse cardiometabolic side-effects contributing to premature mortality in patients. While mechanisms mediating these cardiometabolic side-effects remain poorly understood, three independent studies recently demonstrated that melatonin was protective against cardiometabolic risk in SGA-treated patients. Since one of the main target areas of circulating melatonin in the brain is the suprachiasmatic nucleus (SCN), we hypothesized that the SCN is involved in SGA-induced early cardiovascular effects in Wistar rats...
February 22, 2017: Journal of Pineal Research
https://www.readbyqxmd.com/read/28225907/characterisation-of-iunh-gene-knockout-strain-from-mycobacterium-tuberculosis
#2
Anne Drumond Villela, Valnês da Silva Rodrigues, Antônio Frederico Michel Pinto, Priscila Lamb Wink, Zilpa Adriana Sánchez-Quitian, Guilherme Oliveira Petersen, Maria Martha Campos, Luiz Augusto Basso, Diógenes Santiago Santos
BACKGROUND: Tuberculosis (TB) is an infectious disease caused mainly by the bacillus Mycobacterium tuberculosis. The better understanding of important metabolic pathways from M. tuberculosis can contribute to the development of novel therapeutic and prophylactic strategies to combat TB. Nucleoside hydrolase (MtIAGU-NH), encoded by iunH gene (Rv3393), is an enzyme from purine salvage pathway in M. tuberculosis. MtIAGU-NH accepts inosine, adenosine, guanosine, and uridine as substrates, which may point to a pivotal metabolic role...
March 2017: Memórias do Instituto Oswaldo Cruz
https://www.readbyqxmd.com/read/28225893/lncrna-snhg12-promotes-cell-growth-and-inhibits-cell-apoptosis-in-colorectal-cancer-cells
#3
J Z Wang, C L Xu, H Wu, S J Shen
Several long non-coding RNA (lncRNA) might be correlated with the prognosis of colorectal cancer (CRC) and serve as a diagnostic and prognostic biomarker. However, the exact expression pattern of small nucleolar RNA host gene 12 (SNHG12) in colorectal cancer and its clinical significance remains unclear. The level of SNHG12 was detected by qRT-PCR in CRC tissues and CRC cells. MTT assay and colony formation assay were performed to examine the cell proliferation of CRC cells transfected with pcDNA-SNHG12 or si-SNHG12...
February 20, 2017: Brazilian Journal of Medical and Biological Research, Revista Brasileira de Pesquisas Médicas e Biológicas
https://www.readbyqxmd.com/read/28225890/the-anesthetic-agent-sevoflurane-attenuates-pulmonary-acute-lung-injury-by-modulating-apoptotic-pathways
#4
L Wang, Y Ye, H B Su, J P Yang
The objective of this study was to evaluate lung protection by the volatile anesthetic sevoflurane (SEVO), which inhibits apoptosis. Male Sprague-Dawley rats (250-280 g; n=18) were randomly divided into three groups. The LPS group received 5 mg/kg endotoxin (lipopolysaccharide), which induced acute lung injury (ALI). The control (CTRL) group received normal saline and the SEVO group received sevoflurane (2.5%) for 30 min after ALI was induced by 5 mg/kg LPS. Samples were collected for analysis 12 h after LPS...
February 20, 2017: Brazilian Journal of Medical and Biological Research, Revista Brasileira de Pesquisas Médicas e Biológicas
https://www.readbyqxmd.com/read/28225889/roles-of-monocyte-chemotactic-protein-1-and-nuclear-factor-%C3%AE%C2%BAb-in-immune-response-to-spinal-tuberculosis-in-a-new-zealand-white-rabbit-model
#5
X H Guo, Z Bai, B Qiang, F H Bu, N Zhao
This study aimed to explore the roles of monocyte chemotactic protein 1 (MCP-1) and nuclear factor kappa B (NF-κB) in immune response to spinal tuberculosis in a New Zealand white rabbit model. Forty-eight New Zealand white rabbits were collected and divided into four groups: experimental group (n=30, spinal tuberculosis model was established), the sham group (n=15, sham operation was performed) and the blank group (n=3). The qRT-PCR assay and western blotting were applied to detect the mRNA and protein expressions of MCP-1 and NF-κB in peripheral blood...
February 20, 2017: Brazilian Journal of Medical and Biological Research, Revista Brasileira de Pesquisas Médicas e Biológicas
https://www.readbyqxmd.com/read/28225865/continuous-blood-purification-treatment-for-endotoxin-induced-acute-respiratory-distress-syndrome
#6
Y Jiang, R Lin, Y Xu, S Zhang, K Cui, M Zhu, A Li, C Chen, J Yang, W Yang
This study aimed to explore the effects of continuous blood purification (CBP) treatment in pigs affected with acute respiratory distress syndrome (ARDS). A total of 12 healthy male pigs, weighing 12±1.8 kg, were randomly and equally assigned to the control and experimental groups. The ARDS pig model was prepared by intravenous injections of endotoxin (20 µg/kg). The control group was given conventional supportive therapy, while the experimental group was given continuous veno-venous hemofiltration therapy...
February 16, 2017: Brazilian Journal of Medical and Biological Research, Revista Brasileira de Pesquisas Médicas e Biológicas
https://www.readbyqxmd.com/read/28225806/capsaicin-reduces-alzheimer-associated-tau-changes-in-the-hippocampus-of-type-2-diabetes-rats
#7
Weijie Xu, Juanhong Liu, Delin Ma, Gang Yuan, Yan Lu, Yan Yang
Type 2 diabetes (T2D) is a high-risk factor for Alzheimer's disease (AD) due to impaired insulin signaling pathway in brain. Capsaicin is a specific transient receptor potential vanilloid 1 (TRPV1) agonist which was proved to ameliorate insulin resistance. In this study, we investigated whether dietary capsaicin could reduce the risk of AD in T2D. T2D rats were fed with capsaicin-containing high fat (HF) diet for 10 consecutive days (T2D+CAP). Pair-fed T2D rats (T2D+PF) fed with the HF-diet of average dose of T2D+CAP group were included to control for the effects of reduced food intake and body weight...
2017: PloS One
https://www.readbyqxmd.com/read/28225519/a-cytokine-pattern-that-differentiates-preseroconversion-from-postseroconversion-phases-of-primary-hiv-infection
#8
Lucia Pastor, Erica Parker, Jorge Carrillo, Victor Urrea, Laura Fuente-Soro, Durval Respeito, Chenjerai Jairoce, Inacio Mandomando, Julià Blanco, Denise Naniche
BACKGROUND: During acute HIV infection, HIV actively replicates but seroconversion has not yet occurred. Primary HIV infection (PHI) is characterized by a transient nonspecific febrile illness, a massive inflammatory response, and the progressive appearance of anti-HIV-specific antibodies. In this study, we have identified patterns of inflammatory biomarkers associated with the innate immunological reaction before completion of a full humoral response. METHODS: A symptom-based screening was used to identify acute HIV infection in the Manhiça District Hospital in Mozambique...
April 1, 2017: Journal of Acquired Immune Deficiency Syndromes: JAIDS
https://www.readbyqxmd.com/read/28225480/nmda-receptor-subunit-and-camkii-changes-in-rat-hippocampus-by-congenital-hcmv-infection-a-mechanism-for-learning-and-memory-impairment
#9
De Wu, Li Yang, Xiaosong Bu, Jiulai Tang, Xiaocheng Fan
The aim of this study was to investigate the effects of congenital human cytomegalovirus infection on the expression levels of N-methyl-D-aspartate receptors (NRs) and Ca/calmodulin-dependent protein kinase II (CaMKII) in the hippocampal neurons of neonatal Sprague-Dawley (SD) rats. Pregnant SD rats were divided into an experimental group and a control group (n=10 in each group). Spatial learning and memory of the offspring of SD rats were evaluated using the Morris water-maze test. Pathological studies of hippocampus sections were carried out...
February 20, 2017: Neuroreport
https://www.readbyqxmd.com/read/28225457/rhoa-rock-pathway-inhibition-by-fasudil-suppresses-the-vasculogenic-mimicry-of-u2os-osteosarcoma-cells-in-vitro
#10
Yun Xia, Xianyi Cai, Jiquan Fan, Liling Zhang, Zhenyu Li, Jinghua Ren, Gang Wu, Fang Zhu
GTPase RhoA and its downstream Rho-associated coiled-coil-containing protein kinases (ROCKs) are frequently overexpressed in human cancers. Inhibition of the RhoA/ROCK pathway blocks angiogenesis mediated by the vascular endothelial growth factor, which led us to investigate the role of this pathway in vasculogenic mimicry (VM) - a process by which aggressive cancer cells form vessel-like structures that provide adequate blood supply for tumor growth. We showed that the expression of RhoA and its effector kinases ROCK1/2 was much higher in human osteosarcoma (OS) tissues and the human OS cell line U2OS than in nontumorous tissues and cell line hFOB 1...
February 20, 2017: Anti-cancer Drugs
https://www.readbyqxmd.com/read/28225269/indazole-based-covalent-inhibitors-to-target-drug-resistant-epidermal-growth-factor-receptor
#11
Stefano Tomassi, Jonas Lategahn, Julian Engel, Marina Keul, Hannah Lea Tumbrink, Julia Ketzer, Thomas Mühlenberg, Matthias Baumann, Carsten Schultz-Fademrecht, Sebastian Bauer, Daniel Rauh
The specific targeting of oncogenic mutant epidermal growth factor receptor (EGFR) is a breakthrough in targeted cancer therapy and marks a drastic change in the treatment of non-small cell lung cancer (NSCLC). The recurrent emergence of resistance to these targeted drugs requires the development of novel chemical entities that efficiently inhibit drug-resistant EGFR. Herein, we report the optimization process for a hit compound that has emerged from a phenotypic screen resulting in indazole-based compounds...
February 22, 2017: Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/28225103/beneficial-effects-of-lycium-barbarum-polysaccharide-on-spermatogenesis-by-improving-antioxidant-activity-and-inhibiting-apoptosis-in-streptozotocin-induced-diabetic-male-mice
#12
Guang-Jiang Shi, Jie Zheng, Jing Wu, Hai-Qi Qiao, Qing Chang, Yang Niu, Tao Sun, Yu-Xiang Li, Jian-Qiang Yu
Spermatogenic dysfunction is one of the major secondary complications of diabetes. L. barbarum polysaccharide (LBP) has long been considered to possess anti-apoptotic activities and antioxidant, anti-inflammatory and fertility-enhancing properties in traditional medical practices in China. The aim of the current study was to seek out scientific evidence to determine if LBP also contributes to the recovery from spermatogenic dysfunction in diabetic individuals. We investigated whether the oral administration of LBP in streptozotocin (STZ)-induced type-1 diabetic male mice would reverse spermatogenic dysfunction and improve histological damage in testes...
February 22, 2017: Food & Function
https://www.readbyqxmd.com/read/28225083/antitumorigenic-effect-of-atmospheric-pressure-dielectric-barrier-discharge-on-human-colorectal-cancer-cells-via-regulation-of-sp1-transcription-factor
#13
Duksun Han, Jin Hyoung Cho, Ra Ham Lee, Woong Bang, Kyungho Park, Minseok S Kim, Jung-Hyun Shim, Jung-Il Chae, Se Youn Moon
Human colorectal cancer cell lines (HT29 and HCT116) were exposed to dielectric barrier discharge (DBD) plasma at atmospheric pressure to investigate the anticancer capacity of the plasma. The dose- and time-dependent effects of DBDP on cell viability, regulation of transcription factor Sp1, cell-cycle analysis, and colony formation were investigated by means of MTS assay, DAPI staining, propidium iodide staining, annexin V-FITC staining, Western blot analysis, RT-PCR analysis, fluorescence microscopy, and anchorage-independent cell transformation assay...
February 22, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28225023/traditional-chinese-medicine-suppresses-left-ventricular-hypertrophy-by-targeting-extracellular-signal-regulated-kinases-signaling-pathway-in-spontaneously-hypertensive-rats
#14
Xingjiang Xiong, Xiaochen Yang, Lian Duan, Wei Liu, Yun Zhang, Yongmei Liu, Pengqian Wang, Shengjie Li, Xiaoke Li
Chinese herbal medicine Bu-Shen-Jiang-Ya decoction (BSJYD) is reported to be beneficial for hypertension. Over expression of extracellular signal regulated kinases (ERK) pathway plays an important role in left ventricular hypertrophy (LVH). This study aimed to observe effects of BSJYD on LVH in spontaneously hypertensive rats (SHRs) and explore its possible mechanism on regulation of ERK pathway. Sixty 12-week-old SHRs were randomly allocated into 5 groups: BSJYD high dose group, middle dose group, low dose group, captopril group, and control group...
February 22, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28225015/identification-of-protein-biomarkers-and-signaling-pathways-associated-with-prostate-cancer-radioresistance-using-label-free-lc-ms-ms-proteomic-approach
#15
Lei Chang, Jie Ni, Julia Beretov, Valerie C Wasinger, Jingli Hao, Joseph Bucci, David Malouf, David Gillatt, Peter H Graham, Yong Li
Identifying biomarkers and signaling pathways are important for the management of prostate cancer (CaP) radioresistance. In this study, we identified differential proteins and signaling pathways from parental CaP cell lines and CaP radioresistant (RR) sublines using a label-free LC-MS/MS proteomics approach. A total of 309 signaling pathway proteins were identified to be significantly altered between CaP and CaP-RR cells (p ≤ 0.05, fold differences >1.5, ≥80% power). Among these proteins, nineteen are common among three paired CaP cell lines and associated with metastasis, progression and radioresistance...
February 22, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28224922/multiple-garlic-allium-sativum-l-micrornas-regulate-the-immunity-against-the-basal-rot-fungus-fusarium-oxysporum-f-sp-cepae
#16
Subodh Kumar Chand, Satyabrata Nanda, Rukmini Mishra, Raj Kumar Joshi
The basal plate rot fungus, Fusarium oxysporum f. sp. cepae (FOC), is the most devastating pathogen posing a serious threat to garlic (Allium sativum L.) production worldwide. MicroRNAs (miRNAs) are key modulators of gene expression related to development and defense responses in eukaryotes. However, the miRNA species associated with garlic immunity against FOC are yet to be explored. In the present study, a small RNA library developed from FOC infected resistant garlic line was sequenced to identify immune responsive miRNAs...
April 2017: Plant Science: An International Journal of Experimental Plant Biology
https://www.readbyqxmd.com/read/28224704/advanced-glycation-end-products-regulate-anabolic-and-catabolic-activities-via-nlrp3-inflammasome-activation-in-human-nucleus-pulposus-cells
#17
Yu Song, Yan Wang, Yukun Zhang, Wen Geng, Wei Liu, Yong Gao, Shuai Li, Kun Wang, Xinghuo Wu, Liang Kang, Cao Yang
Intervertebral disc degeneration is widely recognized as a cause of lower back pain, neurological dysfunction and other musculoskeletal disorders. The major inflammatory cytokine IL-1β is associated with intervertebral disc degeneration; however, the molecular mechanisms that drive IL-1β production in the intervertebral disc, especially in nucleus pulposus (NP) cells, are unknown. In some tissues, advanced glycation end products (AGEs), which accumulate in NP tissues and promote its degeneration, increase oxidative stress and IL-1β secretion, resulting in disorders, such as obesity, diabetes mellitus and ageing...
February 22, 2017: Journal of Cellular and Molecular Medicine
https://www.readbyqxmd.com/read/28224676/transcriptional-regulation-of-hb-%C3%AE-and-hb-%C3%AE-through-nuclear-factor-e2-related-factor-2-nrf2-activation-in-human-vaginal-cells-a-novel-mechanism-of-cellular-adaptability-to-oxidative-stress
#18
Debarchana Saha, Swanand Koli, Kudumula Venkata Rami Reddy
PROBLEM: Hemoglobin (Hb), a major protein involved in transport of oxygen (O2 ), is expressed by erythroid lineages. Until recently, it was not known whether non-erythroid cells express Hb. The objective was to evaluate the expression and functional significance of Hb-α and Hb-β in human primary vaginal epithelial cells (hPVECs) and decipher downstream signaling. METHODS OF STUDY: RT-PCR, qRT-PCR, flow cytometry, Western blot, immunofluorescence were used to evaluate the expression of Hb-α, Hb-β, and nuclear factor E2-related factor-2(Nrf2) after hydrogen peroxide (H2 O2 ) induction...
February 21, 2017: American Journal of Reproductive Immunology: AJRI
https://www.readbyqxmd.com/read/28224634/pepsin-as-a-biomarker-for-laryngopharyngeal-reflux-in-children-with-laryngomalacia
#19
Kendra Luebke, Tina L Samuels, Thomas H Chelius, Cecille G Sulman, Michael E McCormick, Joseph E Kerschner, Nikki Johnston, Robert H Chun
OBJECTIVES/HYPOTHESIS: Laryngomalacia is a common cause of newborn stridor. Laryngopharyngeal reflux (LPR) has been associated with laryngomalacia. Although pepsin, a component of LPR, has been associated with inflammatory diseases of the aerodigestive tract, its presence in the airways of laryngomalacia patients is unknown. STUDY DESIGN: Prospective case-control study comparing patients under age 3 years with laryngomalacia to children without laryngomalacia. METHODS: Children less than 3 years old undergoing supraglottoplasty for laryngomalacia or surgery unrelated to the airway, without a history of laryngomalacia, reflux, or respiratory disease, were offered enrollment...
February 22, 2017: Laryngoscope
https://www.readbyqxmd.com/read/28224631/development-and-application-of-monoclonal-antibodies-against-igm-of-black-rockfish-sebastes-schlegeli
#20
W Zhang, X Q Tang, X Z Sheng, J Xing, W B Zhan
Monoclonal antibodies (mAbs) against black rockfish Sebastes schlegeli serum immunoglobulin M (IgM) were developed, which showed a specific reaction with the heavy chain of S. schlegeli IgM in Western blotting and with surface IgM positive (sIgM(+) ) lymphocytes in indirect immunofluorescence. mAb 2A6 was employed to investigate the antibody and sIgM(+) lymphocyte responses of S. schlegeli injected with inactivated Edwardsiella tarda, by ELISA and flow cytometry. Compared with controls, the level of specific antibodies and the percentage of sIgM(+) lymphocytes both increased in the immunized fish and simultaneously reached their peaks at day 35 after immunization...
February 21, 2017: Journal of Fish Biology
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