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https://www.readbyqxmd.com/read/29792899/protective-effect-of-exendin-4-treatment-on-erectile-dysfunction-induced-by-chronic-methylglyoxal-administration-in-rats
#1
Selvinaz Dalaklioglu, Arda Tasatargil, Nilay Kuscu, Soner Celik, Ciler Celik-Ozenci, Sebahat Ozdem, Ayse Barutcigil, Ikbal Kucukcetin
OBJECTIVE: The aim of this study was to investigate the effect of chronic exendin-4 (Ex-4) treatment on corpus cavernosum (CC) dysfunction in methylglyoxal (MGO) administered rats. METHODS: Male rats were divided into four groups as control, MGO (75 mg/kg/day in drinking water for 12 weeks), MGO + low-dose Ex-4 (0.1 μg/kg twice daily subcutaneously for 12 weeks concomitant with MGO), and MGO + high-dose Ex-4 (1 μg/kg twice daily subcutaneously for 12 weeks concomitant with MGO)...
May 21, 2018: Peptides
https://www.readbyqxmd.com/read/29792847/the-polymorphisms-of-atoh-7-et-1-and-ace-in-non-arteritic-anterior-ischemic-optic-neuropathy
#2
Ting Chen, Jin Ma, Guangliang Shan, Yong Zhong
Non-arteritic anterior ischemic optic neuropathy (NAION) is a common cause of acute optic neuropathy in the elderly. The role of the genetic polymorphisms of Atonal Homolog 7 (ATOH7), Endothelin-1 (ET-1) and Angiotensin Converting Enzyme (ACE) in NAION and the combined effects of the gene-gene and gene-medical comorbidities on NAION were not clear. We conducted a perspective, case-control study. 71 NAION patients and 142 age and sex-matched healthy controls were enrolled. Single nucleotide polymorphisms of ATOH7 (rs1900004), ET-1 (rs5370) and ACE (rs1799752) were identified by polymerase chain reaction (PCR) method and all PCR products were screened with Sanger sequencing...
May 21, 2018: Experimental Eye Research
https://www.readbyqxmd.com/read/29792432/new-basis-set-for-the-evaluation-of-specific-rotation-in-flexible-biological-molecules-in-solution
#3
Angelika Baranowska-Laczkowska, Krzysztof Z Łączkowski, Christian Henriksen, Berta Fernandez
A detailed theoretical investigation of specific rotation is carried out in solution for nine flexible molecules of biological importance. Systematic search for the main conformers is followed by time-dependent density functional theory (TD-DFT) calculations of specific rotation employing a wide range of basis sets. Due to conformational flexibility of the compounds under study, the possibility of basis set size reduction without deterioration of the results is investigated. The increasing size (d-)aug-cc-pVXZ (X=D, T, Q) bases of Dunning et al...
May 24, 2018: Journal of Physical Chemistry. A
https://www.readbyqxmd.com/read/29792121/abcg2-polymorphism-rs2231142-and-hypothyroidism-in-metastatic-renal-cell-carcinoma-patients-treated-with-sunitinib
#4
Emilie Werbrouck, Julie Bastin, Diether Lambrechts, Annelies Verbiest, Thomas Van Brussel, Evelyne Lerut, Jean-Pascal Machiels, Vincent Verschaeve, Vincent Richard, Philip R Debruyne, Brigitte Decallonne, Patrick Schöffski, Oliver Bechter, Pascal Wolter, Benoit Beuselinck
Background and aim Vascular endothelial growth factor receptor tyrosine kinase inhibitors (VEGFR-TKIs) cause significant adverse events including thyroid dysfunction, mainly hypothyroidism, in a considerable proportion of patients. In a series of metastatic renal cell carcinoma (mRCC) patients treated with sunitinib, we aimed to study the correlation between hypothyroidism and single nucleotide polymorphisms (SNPs) in genes involved in sunitinib pharmacokinetics and pharmacodynamics. Patients and methods We included 79 mRCC patients who started sunitinib between November 2005 and March 2016...
May 23, 2018: Acta Clinica Belgica
https://www.readbyqxmd.com/read/29792110/a-comparative-study-of-anterior-cruciate-ligament-reconstruction-with-double-single-or-selective-bundle-techniques
#5
Zi-Yang Chia, Jade N Chee, Hamid Rahmatullah Bin-Abd-Razak, Denny Tt Lie, Paul Cc Chang
PURPOSE: Reconstruction of the anterior cruciate ligament (ACL) is the most frequently performed reconstructive surgery in the knee. Biomechanical studies have shown that double bundle (DB) reconstruction is better than single bundle (SB) reconstruction with regard to rotational stability. It is postulated that resection of ACL fibres that remain in continuity may be counterproductive for the knee as these fibres have the capacity to produce collagen. In this study, we aimed to evaluate the efficacy among selective bundle, DB and SB ACL reconstructions over a 2-year post-operative follow-up period...
May 2018: Journal of Orthopaedic Surgery
https://www.readbyqxmd.com/read/29791922/p2y12-polymorphisms-and-the-risk-of-adverse-clinical-events-in-patients-treated-with-clopidogrel-a-meta-analysis
#6
Kun Zhao, Ming Yang, Yanxia Lu, Shusen Sun, Wei Li, Xingang Li, Zhigang Zhao
BACKGROUND AND STUDY AIM: Some studies have reported an association between P2Y12 gene polymorphisms and clopidogrel adverse outcomes with inconsistent results. We aimed to explore the relationship between P2Y12 polymorphisms and the risk of adverse clinical events in patients treated with clopidogrel through a meta-analysis. METHODS: A systematic search of PubMed, Web of Science and the Cochrane Library was conducted. Retrieved articles were comprehensively reviewed and eligible studies were included, and the relevant data was extracted for this meta-analysis...
May 23, 2018: Drug Research
https://www.readbyqxmd.com/read/29791915/costaria-costata-extract-suppresses-development-of-atopic-dermatitis-in-chloro-2-4-dinitrobenzene-treated-nc-nga-mice
#7
Ok-Kyung Kim, Minhee Lee, Han Ol Kwon, Dasom Lee, Jeongjin Park, Eungpil Kim, Yanghee You, Young Tae Lim, Woojin Jun, Jeongmin Lee
We investigated the potential effects of Costaria costata (CC) on atopic dermatitis (AD) development in chloro-2,4-dinitrobenzene (DNCB)-treated NC/Nga mice. CC is a brown alga distributed across the seas of Korea, China, and Japan. A total of 40 mice were randomly assigned to 5 groups with 8 mice per group: untreated Balb/c mice, AD control (0.1% w/v DNCB-treated NC/Nga mice), positive control (i.e., DNCB-treated NC/Nga mice fed a dietary supplement of 66.6 mg/kg of body weight [b.w.] of CJLP133), DNCB-treated NC/Nga mice fed a dietary supplement of 100 mg/kg b...
May 23, 2018: Skin Pharmacology and Physiology
https://www.readbyqxmd.com/read/29791912/differential-expression-of-micrornas-in-breast-cancers-from-four-different-ethnicities
#8
Jennifer Pollard, Phil A Burns, Tom A Hughes, Colan Ho-Yen, J Louise Jones, Geetashree Mukherjee, Ganiat O Omoniyi-Esan, Nicholas Akinwale Titloye, Valerie Speirs, Abeer M Shaaban
INTRODUCTION: Breast cancer outcomes vary across different ethnic groups. MicroRNAs (miRs) are small non-coding RNA molecules that regulate gene expression across a range of pathologies, including breast cancer. The aim of this study was to evaluate the presence and expression of miRs in breast cancer samples from different ethnic groups. MATERIALS AND METHODS: Breast cancer tissue from 4 ethnic groups, i.e., British Caucasian, British Black, Nigerian, and Indian, were identified and matched for patients' age, tumour grade/type, and 10 × 10 µm sections taken...
May 23, 2018: Pathobiology: Journal of Immunopathology, Molecular and Cellular Biology
https://www.readbyqxmd.com/read/29791609/association-between-multidrug-resistance-1-c3435t-gene-polymorphism-and-right-ventricular-dysfunction-in-patients-with-chronic-obstructive-pulmonary-disease-cross-sectional-study
#9
Oğuzhan Yücel, Hakan Güneş, Hasan Yücel, Ali Zorlu
BACKGROUND: Right ventricular (RV) dysfunction may develop over the course of chronic obstructive pulmonary disease (COPD) and is an important predictor of morbidity and mortality. Polymorphism of the multidrug resistance-1 (MDR-1) gene has been correlated with worse clinical findings among patients with COPD. Our aim here was to investigate the relationship between MDR-1 C3435T gene polymorphism and RV dysfunction in COPD patients. DESIGN AND SETTING: This was a cross-sectional study investigating the relationship between RV dysfunction and genetic defects in COPD patients...
March 2018: São Paulo Medical Journal, Revista Paulista de Medicina
https://www.readbyqxmd.com/read/29791232/the-role-of-interleukin-31-polymorphisms-in-non-small-cell-lung-cancer-genetic-susceptibility-and-clinical-outcome
#10
Yongfeng Yang, Li Li, Fei Chen, Li Zhang, Hong Bu
BACKGROUND: Interleukin-31 (IL-31), a novel T helper type 2 effector cytokine, is known to have an important effect on the pathogenesis of allergic disease and tumors. However, the impact of IL-31 on human lung cancer remains unclear. METHODS: This study explored the role of IL-31 polymorphisms in lung cancer and sought to characterize how IL-31 polymorphisms correlate with lung cancer tumorigenesis and patient survival rates. Using a single-nucleotide polymorphism genotype assay, we examined the expression of two IL-31 polymorphisms (rs7977932 and rs4758680) in samples from 302 lung cancer patients and 493 control cases...
May 2018: Genetic Testing and Molecular Biomarkers
https://www.readbyqxmd.com/read/29791157/a-novel-hybrid-correlation-energy-hyce-approach-based-on-separate-evaluations-of-internal-and-external-components
#11
Joseph Ivanic, Michael W Schmidt
A novel Hybrid Correlation Energy (HyCE) approach is proposed that determines the total correlation energy via distinct computation of its internal and external components. This approach evolved from two related studies. First, rigorous assessment of the accuracies and size extensivities of a number of electron correlation methods, that include perturbation theory (PT2), coupled-cluster (CC), configuration interaction (CI) and coupled electron pair approximation (CEPA), shows that the CEPA(0) variant of the latter and triples-corrected CC methods consistently perform very similarly...
May 23, 2018: Journal of Physical Chemistry. A
https://www.readbyqxmd.com/read/29791156/ab-initio-potential-energy-surfaces-of-c-3-collision-with-proton-and-quantum-dynamics-of-rotational-transition
#12
Sanchit Chhabra, Thogluva Janardhanan Dhilip Kumar
New ab initio potential energy surfaces have been generated for ground state and low-lying excited states of H+ + C3 system using the multi-reference conguration interaction (MRCI) method with Dunning's augmented correlation consistent polarized valence quadruple zeta (aug-cc-pVQZ) basis sets. The ground state and low-lying excited states show avoided crossing indicating non-adiabatic coupling. The anisotropy of the ground state surface has been analyzed by computing the multipolar expansion coefficients with the frozen C-C equilibrium bond length...
May 23, 2018: Journal of Physical Chemistry. A
https://www.readbyqxmd.com/read/29790402/vitamin-d-pathway-gene-polymorphisms-affecting-daclatasvir-plasma-concentration-at-2-weeks-and-1-month-of-therapy
#13
Jessica Cusato, Amedeo De Nicolò, Lucio Boglione, Fabio Favata, Alessandra Ariaudo, Simone Mornese Pinna, Chiara Carcieri, Federica Guido, Giuseppe Cariti, Giovanni Di Perri, Antonio D'Avolio
AIM: Vitamin D (VD) influences genetic expression through its receptor (VDR). VD pathway gene polymorphisms seem to influence antiviral drug pharmacokinetics and therapeutic outcome/toxicity. We investigated the association between daclatasvir (DCV) plasma concentrations and genetic variants (SNPs) associated with the VD pathway. PATIENTS & METHODS: Chronic hepatitis C patients treated with DCV from 2014 to 2016 were included. Genotypes were assessed through real-time PCR and plasma concentrations through liquid chromatography...
June 1, 2018: Pharmacogenomics
https://www.readbyqxmd.com/read/29790372/folate-receptor-targeted-mixed-polysialic-acid-micelles-for-combating-rheumatoid-arthritis-in-vitro-and-in-vivo-evaluation
#14
Nan Zhang, Chunyu Xu, Na Li, Shasha Zhang, Lingling Fu, Xiao Chu, Haiying Hua, Xianghui Zeng, Yongxing Zhao
OBJECTIVE: Rheumatoid arthritis (RA) is associated with chronic inflammation. The suppression of inflammation is key to the treatment of RA. Glucocorticoids (GCs) are classical anti-inflammatory drugs with several disadvantages such as poor water solubility and low specificity in the body. These disadvantages are the reasons for the quick elimination and side effects of GCs in vivo. Micelles are ideal carriers for GCs delivery to inflamed synovium. We set out to improve the targeting and pharmacokinetic profiles of GCs by preparing a targeting micelle system...
November 2018: Drug Delivery
https://www.readbyqxmd.com/read/29790087/correlation-between-clinical-and-pathologic-staging-in-colon-cancer-implications-for-neoadjuvant-treatment
#15
Ahmed N Dehal, Amanda N Graff-Baker, Brooke Vuong, Daniel Nelson, Shu-Ching Chang, David Y Lee, Melanie Goldfarb, Anton J Bilchik
BACKGROUND: Recent randomized trials suggest improved outcomes in patients with locally advanced colon cancer (LACC) treated with neoadjuvant chemotherapy (NAC). Optimal selection of patients for NAC depends on accurate clinical staging. The purpose of this study was to examine the degree of correlation between clinical and pathologic staging in patients with colon cancer (CC). METHODS: Adult patients with non-metastatic CC who underwent surgery were identified from the National Cancer Data Base between 2006 and 2014...
May 22, 2018: Journal of Gastrointestinal Surgery: Official Journal of the Society for Surgery of the Alimentary Tract
https://www.readbyqxmd.com/read/29789925/associations-of-polymorphisms-of-cyp2d6-and-cyp2c9-with-early-onset-severe-pre-eclampsia-and-response-to-labetalol-therapy
#16
Cheng-Juan Sun, Lin Li, Xue-Yan Li, Wei-Yuan Zhang, Xiao-Wei Liu
PURPOSE: Early onset preeclampsia (PPE) contributes to life-threatening maternal complications and fetal demise. Pharmacogenomics is a precision medicine, and metabolizing enzymes responsive to antihypertensive remains understudied. The aim of this study was to evaluate the associations of polymorphisms of cytochrome P450, family 2, subfamily D, polypeptide 6 (CYP2D6) and cytochrome P450, family 2, subfamily C, polypeptide 9 (CYP2C9) with PPE and the relationship among CYP2D6, CYP2C9 polymorphisms and response to labetalol therapy...
May 22, 2018: Archives of Gynecology and Obstetrics
https://www.readbyqxmd.com/read/29788801/perioperative-noninvasive-cardiac-output-monitoring-in-parturients-with-singleton-and-twin-pregnancies-undergoing-caesarean-section-under-spinal-anesthesia-with-prophylactic-phenylephrine-drip-a-prospective-observational-cohort-study
#17
S Orbach-Zinger, E Razinsky, I Bizman, S Firman, R Gat, A Davis, E Ashwal, A Shmueli, M Vaturi, R Gabbay-Benziv, L A Eidelman
INTRODUCTION: Spinal anesthesia is considered the gold standard anesthetic technique for cesarean deliveries (CD) but is associated with a high rate of hypotension. The recent international consensus recommends continuous prophylactic phenylephrine infusion (PPI) administered throughout CD to prevent hypotension. However little information is available on the hemodynamic profiles of women with twin pregnancies as compared to singleton pregnancies perioperatively. Therefore, in this study we aim we compare maternal hemodynamic changes both intraoperatively and postoperatively with the use of the NICAS bio impendence monitor in healthy singleton versus twin parturients undergoing CD deliveries with spinal anesthesia with PPI...
May 22, 2018: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/29788735/hpv-status-and-its-genomic-integration-affect-survival-of-patients-with-cervical-cancer
#18
M Ibragimova, M Tsyganov, O Shpileva, O Churuksaeva, V Bychkov, L Kolomiets, N Litviakov
To evaluate the relapse-free and overall survival of HPV-positive patients with regard to the physical status of type 16 HPV and of HPV-negative patients with primary CC. As a main result of the study the predictive value of the physical status of type 16 HPV was determined for relapse-free and overall survival of patients with CC. Episomal form of the virus is a favorable predictive factor. Integrated form of the virus is a severely unfavorable predictive factor and survival of such patients is significantly lower, than for HPV- patients and patients with mixed form of the virus...
March 14, 2018: Neoplasma
https://www.readbyqxmd.com/read/29788724/mir-506-suppresses-cervical-cancer-cell-proliferation-both-in-vitro-and-in-vivo
#19
M Gong, C Chen, H Zhao, M Sun, M Song
Cervical cancer (CC) is one of the most common gynecological malignancies in women worldwide. Recently increasing evidences indicate aberrant expression of miR-506 was reported to be associated with a variety of tumors. The aimof this study was to evaluate the potential role of miR-506 in CC and verify its effect on the regulation of ABCC4. The expression of miR-506 in cervical cancer tissues and HeLa and C33A cell lines was examined using quantitative Real-time PCR. MTT assay and animals studies were use to examine the effects of miR-506 on cervical cancer proliferation...
March 14, 2018: Neoplasma
https://www.readbyqxmd.com/read/29787772/ginkgolide-k-promotes-astrocyte-proliferation-and-migration-after-oxygen-glucose-deprivation-via-inducing-protective-autophagy-through-the-ampk-mtor-ulk1-signaling-pathway
#20
Ying Zhang, Ju-Mei Miao
Ischemic stroke is the leading cause of death around the world. Ginkgolide K (GK) has been used to treat ischemic stroke due to its neuroprotective potential. However, the molecular mechanism underlying the neuroprotective effect of GK in ischemic stroke is still almost blank. In this study, astrocytes were divided into four groups: control group, oxygen-glucose deprivation (OGD) group, OGD + GK group and OGD + GK + Compound C (CC) group. The viability and proliferation of astrocytes were examined by Cell Counting Kit-8 assay and 5-ethynyl-20-deoxyuridine (EdU) assay, respectively...
May 19, 2018: European Journal of Pharmacology
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