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https://www.readbyqxmd.com/read/29471103/embelin-and-its-derivatives-unravel-the-signaling-proinflammatory-and-antiatherogenic-properties-of-gpr84-receptor
#1
Ibragim Gaidarov, Todd Anthony, Joel Gatlin, Xiaohua Chen, David Mills, Michelle Solomon, Sangdon Han, Graeme Semple, David J Unett
GPR84 is an orphan G-protein coupled receptor, expressed on monocytes, macrophages and neutrophils and is significantly upregulated by inflammatory stimuli. The physiological role of GPR84 remains largely unknown. Medium chain fatty acids (MCFA) activate the receptor and have been proposed to be its endogenous ligands, although the high concentrations of MCFAs required for receptor activation generally exceed normal physiological levels. We identified the natural product embelin as a highly potent and selective surrogate GPR84 agonist (originally disclosed in patent application WO2007027661A2, 2007) and synthesized close structural analogs with widely varying receptor activities...
February 19, 2018: Pharmacological Research: the Official Journal of the Italian Pharmacological Society
https://www.readbyqxmd.com/read/29470829/enhancing-the-therapeutic-efficacy-of-tamoxifen-citrate-loaded-span-based-nano-vesicles-on-human-breast-adenocarcinoma-cells
#2
Mohammed A Kassem, Mohamed A Megahed, Sherif K Abu Elyazid, Fathy I Abd-Allah, Tamer M Abdelghany, Ahmed M Al-Abd, Khalid M El-Say
Serious adverse effects and low selectivity to cancer cells are the main obstacles of long term therapy with Tamoxifen (Tmx). This study aimed to develop Tmx-loaded span-based nano-vesicles for delivery to malignant tissues with maximum efficacy. The effect of three variables on vesicle size (Y1 ), zeta potential (Y2 ), entrapment efficiency (Y3 ) and the cumulative percent release after 24 h (Y4 ) were optimized using Box-Behnken design. The optimized formula was prepared and tested for its stability in different storage conditions...
February 22, 2018: AAPS PharmSciTech
https://www.readbyqxmd.com/read/29470527/value-of-diagnostic-and-therapeutic-laparoscopy-for-patients-with-blunt-abdominal-trauma-a-10-year-medical-center-experience
#3
Heng-Fu Lin, Ying-Da Chen, Shyr-Chyr Chen
Laparoscopy has been used for the diagnosis and treatment for hemodynamically stable patients with penetrating abdominal trauma. This study evaluated whether diagnostic and therapeutic laparoscopy can be used as effectively in select patients with blunt abdominal trauma. All hemodynamically stable patients undergoing operations for blunt abdominal trauma over a 10-year period (2006-2015) at a tertiary medical center were included. Patients undergoing laparotomy were categorized as group A. Patients who underwent laparoscopy were categorized as group B...
2018: PloS One
https://www.readbyqxmd.com/read/29470420/enhanced-antitumor-effects-of-epidermal-growth-factor-receptor-targetable-cetuximab-conjugated-polymeric-micelles-for-photodynamic-therapy
#4
Ming-Hsiang Chang, Chin-Ling Pai, Ying-Chen Chen, Hsiu-Ping Yu, Chia-Yen Hsu, Ping-Shan Lai
Nanocarrier-based delivery systems are promising strategies for enhanced therapeutic efficacy and safety of toxic drugs. Photodynamic therapy (PDT)-a light-triggered chemical reaction that generates localized tissue damage for disease treatments-usually has side effects, and thus patients receiving photosensitizers should be kept away from direct light to avoid skin phototoxicity. In this study, a clinically therapeutic antibody cetuximab (C225) was conjugated to the surface of methoxy poly(ethylene glycol)- b -poly(lactide) (mPEG- b -PLA) micelles via thiol-maleimide coupling to allow tumor-targetable chlorin e6 (Ce6) delivery...
February 22, 2018: Nanomaterials
https://www.readbyqxmd.com/read/29470154/unipedal-diagnostic-lymphangiography-followed-by-sequential-ct-examinations-in-patients-with-idiopathic-chyluria-a-retrospective-study
#5
Jian Dong, Jianfeng Xin, Wenbin Shen, Xiaobai Chen, Tingguo Wen, Chunyan Zhang, Rengui Wang
OBJECTIVE: The objective of our study was to investigate the clinical value of diagnostic lymphangiography followed by sequential CT examinations in patients with idiopathic chyluria. MATERIALS AND METHODS: Thirty-six patients with idiopathic chyluria underwent unipedal diagnostic lymphangiography and then underwent sequential CT examinations. The examinations were reviewed separately by two radiologists. Abnormal distribution of contrast medium, lymphourinary leakages, and retrograde flow were noted, and the range and distribution of lymphatic vessel lesions were recorded...
February 22, 2018: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/29469989/density-and-location-of-cd3-and-cd8-tumor-infiltrating-lymphocytes-correlate-with-prognosis-of-oral-squamous-cell-carcinoma
#6
Chen Zhou, Yaping Wu, Lei Jiang, Zhongwu Li, Pengfei Diao, Dongmiao Wang, Wei Zhang, Laikui Liu, Yanling Wang, Hongbing Jiang, Jie Cheng, Jianrong Yang
BACKGROUND: Tumor-infiltrating lymphocytes (TILs) are regarded as adaptive immune response of the host to cancer cells and valuable prognostic factors. Here, we sought to characterize the densities and locations of CD3+ and CD8+ TILs in primary oral squamous cell carcinoma (OSCC) samples and assess their clinicopathological and prognostic significance. METHODS: A total number of 169 OSCC samples from two independent patient cohorts (Nanjing cohort, 93 cases; Wuxi cohort, 76 cases) were retrospectively collected...
February 22, 2018: Journal of Oral Pathology & Medicine
https://www.readbyqxmd.com/read/29469942/whole-tumor-apparent-diffusion-coefficient-adc-histogram-analysis-to-differentiate-benign-peripheral-neurogenic-tumors-from-soft-tissue-sarcomas
#7
Masanori Nakajo, Yoshihiko Fukukura, Hiroto Hakamada, Tomohide Yoneyama, Kiyohisa Kamimura, Satoshi Nagano, Masayuki Nakajo, Takashi Yoshiura
BACKGROUND: Apparent diffusion coefficient (ADC) histogram analyses have been used to differentiate tumor grades and predict therapeutic responses in various anatomic sites with moderate success. PURPOSE: To determine the ability of diffusion-weighted imaging (DWI) with a whole-tumor ADC histogram analysis to differentiate benign peripheral neurogenic tumors (BPNTs) from soft tissue sarcomas (STSs). STUDY TYPE: Retrospective study, single institution...
February 22, 2018: Journal of Magnetic Resonance Imaging: JMRI
https://www.readbyqxmd.com/read/29469576/structure-and-relaxation-in-solutions-of-monoclonal-antibodies
#8
Gang Wang, Zsigmond Varga, Jennifer Hofmann, Isidro E Zarraga, James W Swan
Reversible self-association of therapeutic antibodies is a key factor in high protein solution viscosities. In the present work, a coarse-grained computational model accounting for electrostatic, dispersion and long-ranged hydrodynamic interactions of two model monoclonal antibodies is applied to understand the nature of self-association, predicting the solution micro-structure and resulting transport properties of the solution. For the proteins investigated, the structure factor across a range of solution conditions shows quantitative agreement with neutron scattering experiments...
February 22, 2018: Journal of Physical Chemistry. B
https://www.readbyqxmd.com/read/29468543/detection-of-retinoblastoma-protein-phosphorylation-by-immunoblot-analysis
#9
Pedro G Santiago-Cardona, Jaileene Pérez-Morales, Jonathan González-Flores
The retinoblastoma tumor suppressor protein (pRb) is a preeminent tumor suppressor that acts as a cell cycle repressor, specifically as an inhibitor of the G1-S transition of the cell cycle . pRb is a phosphoprotein whose function is repressed by extensive phosphorylation in several key residues, and therefore, pRb's phosphorylation status has become a surrogate for pRb activity. In particular, hyperphosphorylation of pRb has been associated with pathological states such as cancer, and therefore, assessing pRb's phosphorylation status is increasingly gaining diagnostic and prognostic value, may be used to inform therapeutic decisions, and is also an important tool for the cancer biologists seeking an understanding of the molecular etiology of cancer...
2018: Methods in Molecular Biology
https://www.readbyqxmd.com/read/29467936/dynamic-changes-in-cd44v-positive-cells-after-preoperative-anti-her2-therapy-and-its-correlation-with-pathologic-complete-response-in-her2-positive-breast-cancer
#10
Teruo Yamauchi, Jose Rodrigo Espinosa Fernandez, Chiyo K Imamura, Hideko Yamauchi, Hiromitsu Jinno, Maiko Takahashi, Yuko Kitagawa, Seigo Nakamura, Bora Lim, Savitri Krishnamurthy, James M Reuben, Diane Liu, Debasish Tripathy, Helen Chen, Naoko Takebe, Hideyuki Saya, Naoto T Ueno
Chemotherapy has been reported to increase the proportion of cancer stem cells (CSCs) and to promote epithelial-mesenchymal transition (EMT) phenotype changes. Anti-HER2 therapy may provide a strategy for eliminating CSC and EMT, which contribute to therapeutic resistance. No study has determined the changes in the quantity or characteristics of CSCs or circulating tumor cells (CTCs) with EMT phenotype during preoperative anti-HER2 therapy, and whether these changes correlate to response to dual anti-HER2 therapy...
January 23, 2018: Oncotarget
https://www.readbyqxmd.com/read/29467846/asiatic-acid-attenuates-high-fat-diet-induced-impaired-spermatogenesis
#11
Xi-Li Miao, Gui-Min Gao, Lei Jiang, Rui Xu, Da-Peng Wan
Testicular cell apoptosis is associated with impaired spermatogenesis. It has been reported that Asiatic acid (AA) may suppress apoptosis. However, little is known about the effect of AA on high-fat diet (HFD)-induced impairment of spermatogenesis. The aim of the present study was to determine whether AA protects against HFD-induced impairment of spermatogenesis. Sprague-Dawley rats were randomly divided into three groups: Control group, HFD group and AA (50 mg/kg) + HFD group. Rats fed an HFD were orally administered with AA (50 mg/kg) daily for 12 weeks, and blood samples, testis and epididymis were harvested for further analysis...
March 2018: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/29467652/quantitative-ethnobotany-of-medicinal-plants-used-by-indigenous-communities-in-the-bandarban-district-of-bangladesh
#12
Mohammad O Faruque, Shaikh B Uddin, James W Barlow, Sheng Hu, Shuang Dong, Qian Cai, Xiaohua Li, Xuebo Hu
This study documents information on significant ethnomedicinal plants, which was collected from the traditional healers of three indigenous communities of Bangladesh. The documented data were quantitatively analyzed for the first time in this area. The information was obtained through open-ended, semi-structured questionnaires. The benefits, importance and coverage of ethnomedicine were expressed through several quantitative indices including Informant Consensus Factor (ICF), Use Value (UV), Frequency of Citation (FC), Relative Frequency of Citation (RFC) and Relative Importance Index (RI)...
2018: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/29467337/nitric-oxide-sensitive-guanylyl-cyclase-stimulation-improves-experimental-heart-failure-with-preserved-ejection-fraction
#13
Nicola Wilck, Lajos Markó, András Balogh, Kristin Kräker, Florian Herse, Hendrik Bartolomaeus, István A Szijártó, Maik Gollasch, Nadine Reichhart, Olaf Strauss, Arnd Heuser, Damian Brockschnieder, Axel Kretschmer, Ralf Lesche, Florian Sohler, Johannes-Peter Stasch, Peter Sandner, Friedrich C Luft, Dominik N Müller, Ralf Dechend, Nadine Haase
Heart failure with preserved ejection fraction (HFpEF) can arise from cardiac and vascular remodeling processes following long-lasting hypertension. Efficacy of common HF therapeutics is unsatisfactory in HFpEF. Evidence suggests that stimulators of the nitric oxide-sensitive soluble guanylyl cyclase (NOsGC) could be of use here. We aimed to characterize the complex cardiovascular effects of NOsGC stimulation using NO-independent stimulator BAY 41-8543 in a double-transgenic rat (dTGR) model of HFpEF. We show a drastically improved survival rate of treated dTGR...
February 22, 2018: JCI Insight
https://www.readbyqxmd.com/read/29467005/traditional-knowledge-on-herbal-drinks-among-indigenous-communities-in-azad-jammu-and-kashmir-pakistan
#14
Neelam Rashid, Rodrigue Castro Gbedomon, Mushtaq Ahmad, Valère Kolawolé Salako, Muhammad Zafar, Khafsa Malik
BACKGROUND: Traditional knowledge about the use of medicinal plants for herbal drinks (HDs) is not well documented in the Azad Kashmir region despite their widespread use. This study highlights the taxonomic diversity and traditional knowledge on medicinal plants used for HDs while examining the diversity of diseases treated with HDs in the study area. METHODS: Individual discussions were conducted with 255 informants (84 women and 171 men). Data gathered included (i) informant age and gender, (ii) HD species and respective plant parts used, (iii) health disorders treated, and (iv) mode of preparation and utilizations...
February 21, 2018: Journal of Ethnobiology and Ethnomedicine
https://www.readbyqxmd.com/read/29466950/hpv-positive-wild-type-tp53-and-p16-overexpression-correlate-with-the-absence-of-residual-tumors-after-chemoradiotherapy-in-anal-squamous-cell-carcinoma
#15
Paulo C Soares, Eliana S Abdelhay, Luiz Claudio S Thuler, Bruno Moreira Soares, Samia Demachki, Gessica Valéria Rocha Ferro, Paulo P Assumpção, Leticia Martins Lamarão, Luis Felipe Ribeiro Pinto, Rommel Mario Rodríguez Burbano
BACKGROUND: Anal residual tumors are consensually identified within six months of chemoradiotherapy and represent a persistent lesion that may have prognostic value for overall survival. The aim of this study was to evaluate the association of HPV and HIV status, p16 expression level and TP53 mutations with the absence of residual tumors (local response) in Squamous Cell Carcinoma (SCC) of the anal canal after chemoradiotherapy. METHODS: We performed a study on 78 patients with SCC of the anal canal who submitted to chemoradiotherapy and were followed for a six-month period to identify the absence or presence of residual tumors...
February 21, 2018: BMC Gastroenterology
https://www.readbyqxmd.com/read/29466895/altered-plasma-type-gelsolin-and-amyloid-%C3%AE-in-neonates-with-hypoxic-ischaemic-encephalopathy-under-therapeutic-hypothermia
#16
Isabel Benavente-Fernandez, Juan J Ramos-Rodriguez, Carmen Infante-Garcia, Gema Jimenez-Gomez, Alfonso Lechuga-Sancho, Simon Lubian-Lopez, Monica Garcia-Alloza
Hypoxic-ischemic encephalopathy (HIE) is a severe neonatal complication responsible for ∼23% of all neonatal deaths. Also, 30-70% of these patients will suffer lifetime disabilities, including learning impairment, epilepsy or cerebral palsy. However, biomarkers for HIE screening, or monitoring disease progression are limited. Herein, we sought to evaluate the clinical usefulness of plasma-type gelsolin (pGSN) and amyloid-beta (Aβ) 40 and 42 as prognostic biomarkers for HIE. pGSN has been previously suggested as a feasible marker in other brain injuries and amyloid-beta 40 and 42 are classically assessed in neurodegenerative diseases...
January 1, 2018: Journal of Cerebral Blood Flow and Metabolism
https://www.readbyqxmd.com/read/29466512/the-role-of-computerized-tomography-in-penetrating-abdominal-trauma
#17
Eduardo Lopes Martins Filho, Melissa Mello Mazepa, Camila Roginski Guetter, Silvânia Klug Pimentel
OBJECTIVE: to evaluate the role of abdominal computed tomography in the management of penetrating abdominal trauma. METHODS: we conducted a historical cohort study of patients treated for penetrating trauma in the anterior abdomen, dorsum or thoracoabdominal transition, that were submitted to a computed tomography carried out on admission. We evaluated the location of the wound and the presence of tomographic findings, and the management of these patients as for nonoperative treatment or laparotomy...
February 19, 2018: Revista do Colégio Brasileiro de Cirurgiões
https://www.readbyqxmd.com/read/29466489/moderate-continuous-aerobic-exercise-training-improves-cardiomyocyte-contractility-in-%C3%AE-1-adrenergic-receptor-knockout-mice
#18
Aurora Corrêa Rodrigues, Antônio José Natali, Daise Nunes Queiroz da Cunha, Alexandre Jayme Lopes Dantas Costa, Anselmo Gomes de Moura, Miguel Araújo Carneiro-Júnior, Leonardo Bonato Félix, Patrícia Chakur Brum, Thales Nicolau Prímola-Gomes
BACKGROUND: The lack of cardiac β1-adrenergic receptors (β1-AR) negatively affects the regulation of both cardiac inotropy and lusitropy, leading, in the long term, to heart failure (HF). Moderate-intensity aerobic exercise (MCAE) is recommended as an adjunctive therapy for patients with HF. OBJECTIVE: We tested the effects of MCAE on the contractile properties of left ventricular (LV) myocytes from β1 adrenergic receptor knockout (β1ARKO) mice. METHODS: Four- to five-month-old male wild type (WT) and β1ARKO mice were divided into groups: WT control (WTc) and trained (WTt); and β1ARKO control (β1ARKOc) and trained (β1ARKOt)...
February 19, 2018: Arquivos Brasileiros de Cardiologia
https://www.readbyqxmd.com/read/29466235/white-and-beige-adipocytes-are-they-metabolically-distinct
#19
REVIEW
Diane M Sepa-Kishi, Rolando B Ceddia
The white adipose tissue (WAT) exhibits great plasticity and can undergo "browning" and acquire features of the brown adipose tissue (BAT), which takes place following cold exposure, chronic endurance exercise or β3-adrenergic stimulation. WAT that underwent browning is characterized by the presence of "beige" adipocytes, which are morphologically similar to brown adipocytes, express uncoupling protein 1 (UCP1) and are considered thermogenically competent. Thus, inducing a BAT-like phenotype in the WAT could promote energy dissipation within this depot, reducing the availability of substrate that would otherwise be stored in the WAT...
February 21, 2018: Hormone Molecular Biology and Clinical Investigation
https://www.readbyqxmd.com/read/29466222/-randomized-comparison-of-two-approaches-to-initial-warfarin-dosing-time-in-therapeutic-range-of-international-normalized-ratio-during-hospitalization
#20
I G Gordeev, O V Averkov, L N Mishchenko, N N Levchuk, V I Vechorko
AIM: To perform a randomized, open-label comparison of average time in therapeutic range (TTR) of international normalized ratio (INR) using two approaches to initial warfarin dosing during hospitalization: the standard method and the one using individual patient characteristics (clinical algorithm - the studied approach). MATERIALS AND METHODS: We randomly assigned 60 patients with different indications for vitamin K antagonist therapy to the studied approach (n=31, intervention group) or to the standard method (n=29, control group)...
September 2017: Kardiologiia
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