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https://www.readbyqxmd.com/read/28107435/peptide-targeted-by-human-antibodies-associated-with-hiv-vaccine-associated-protection-assumes-a-dynamic-%C3%AE-helical-structure
#1
Mohammed S Aiyegbo, Evgeny Shmelkov, Lorenzo Dominguez, Michael Goger, Shibani Battacharya, Allan C deCamp, Peter B Gilbert, Phillip W Berman, Timothy Cardozo
The only evidence of vaccine-induced protection from HIV acquisition in humans was obtained in the RV144 HIV vaccine clinical trial. One immune correlate of risk in RV144 was observed to be higher titers of vaccine-induced antibodies (Abs) reacting with a 23-mer non-glycosylated peptide with the same amino acid sequence as a segment in the second variable (V2) loop of the MN strain of HIV. We used NMR to analyze the dynamic 3D structure of this peptide. Distance restraints between spatially proximate inter-residue protons were calculated from NOE cross peak intensities and used to constrain a thorough search of all possible conformations of the peptide...
2017: PloS One
https://www.readbyqxmd.com/read/28107360/correction-methyl-farnesoate-plays-a-dual-role-in-regulating-drosophila-metamorphosis
#2
Di Wen, Crisalejandra Rivera-Perez, Mohamed Abdou, Qiangqiang Jia, Qianyu He, Xi Liu, Ola Zyaan, Jingjing Xu, William G Bendena, Stephen S Tobe, Fernando G Noriega, Subba R Palli, Jian Wang, Sheng Li
[This corrects the article DOI: 10.1371/journal.pgen.1005038.].
January 2017: PLoS Genetics
https://www.readbyqxmd.com/read/28107264/readmission-and-late-mortality-after-critical-illness-in-childhood
#3
Mary E Hartman, Mohammed J Saeed, Tellen Bennett, Katri Typpo, Renee Matos, Margaret A Olsen
OBJECTIVES: Little is known about the ongoing mortality risk and healthcare utilization among U.S. children after discharge from a hospitalization involving ICU care. We sought to understand risks for hospital readmission and trends in mortality during the year following ICU discharge. DESIGN: Retrospective observational cohort study. SETTING: This study was performed using administrative claims data from 2006-2013 obtained from the Truven Health Analytics MarketScan Database...
January 19, 2017: Pediatric Critical Care Medicine
https://www.readbyqxmd.com/read/28107250/evaluating-excessive-burden-of-depression-on-health-status-and-health-care-utilization-among-patients-with-hypertension-in-a-nationally-representative-sample-from-the-medial-expenditure-panel-survey-meps-2012
#4
Hui Shao, Mir Umer Mohammed, Nick Thomas, Saleh Babazadeh, Shuang Yang, Qian Shi, Lizheng Shi
Depression and hypertension frequently present together in clinical practice. Evaluating the interaction between depression and hypertension would help stakeholders better understand the value of depression prevention in primary care. This retrospective study aimed to evaluate the excessive burden of depression on overall health and on health care utilization expenditure among hypertensive patients. A total of 7019 hypertensive patients (ICD-9-CM: 401) were identified from the 2012 Medical Expenditure Panel Survey (MEPS 2012) data, of which 936 patients had depression (ICD-9-CM: 311)...
January 18, 2017: Journal of Nervous and Mental Disease
https://www.readbyqxmd.com/read/28107209/nephropathic-cystinosis-an-update
#5
Koenraad R Veys, Mohamed A Elmonem, Fanny O Arcolino, Lambertus van den Heuvel, Elena Levtchenko
PURPOSE OF REVIEW: Over the past few decades, cystinosis, a rare lysosomal storage disorder, has evolved into a treatable metabolic disease. The increasing understanding of its pathophysiology has made cystinosis a prototype disease, delivering new insights into several fundamental biochemical and cellular processes. RECENT FINDINGS: In this review, we aim to provide an overview of the latest advances in the pathogenetic, clinical, and therapeutic aspects of cystinosis...
January 18, 2017: Current Opinion in Pediatrics
https://www.readbyqxmd.com/read/28107021/synthesis-of-an-uncharged-tetra-cyclopeptide-acting-as-a-transmembrane-carrier-enhanced-cellular-and-nuclear-uptake
#6
Flaviane Francisco Hilário, Mohamed Dit Mady Traoré, Vincent Zwick, Laurence Berry, Claudia A Simões-Pires, Muriel Cuendet, Nicolas Fantozzi, Rossimiriam Pereira de Freitas, Marjorie Maynadier, Sharon Wein, Henri Vial, Yung-Sing Wong
A small uncharged cyclopeptide scaffold inspired by a natural product and designed to undergo postfunctionalizations was used as a new transmembrane vector. A bioactive and fluorescent triazole aminocoumarin was bound to this carrier to facilitate its moving across cell and subcellular membranes, and this led to an increase in its cell toxicity.
January 20, 2017: Organic Letters
https://www.readbyqxmd.com/read/28106856/green-synthesis-and-characterization-of-palladium-nanoparticles-using-origanum-vulgare-l-extract-and-their-catalytic-activity
#7
Mohammed Rafi Shaik, Zuhur Jameel Qandeel Ali, Mujeeb Khan, Mufsir Kuniyil, Mohamed E Assal, Hamad Z Alkhathlan, Abdulrahman Al-Warthan, Mohammed Rafiq H Siddiqui, Merajuddin Khan, Syed Farooq Adil
The synthesis of Palladium (Pd) nanoparticles by green methods has attracted remarkable attention in recent years because of its superiority above chemical approaches, owing to its low cost and ecological compatibility. In this present work, we describe a facile and environmentally friendly synthesis of Pd nanoparticles (Pd NPs) using an aqueous extract of aerial parts of Origanum vulgare L. (OV) as a bioreductant. This plant is available in many parts of the world as well as in Saudi Arabia and is known to be a rich source of phenolic components, a feature we fruitfully utilized in the synthesis of Pd NPs, using various concentrations of plant extracts...
January 19, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28106738/6-paradol-and-6-shogaol-the-pungent-compounds-of-ginger-promote-glucose-utilization-in-adipocytes-and-myotubes-and-6-paradol-reduces-blood-glucose-in-high-fat-diet-fed-mice
#8
Chien-Kei Wei, Yi-Hong Tsai, Michal Korinek, Pei-Hsuan Hung, Mohamed El-Shazly, Yuan-Bin Cheng, Yang-Chang Wu, Tusty-Jiuan Hsieh, Fang-Rong Chang
The anti-diabetic activity of ginger powder (Zingiber officinale) has been recently promoted, with the recommendation to be included as one of the dietary supplements for diabetic patients. However, previous studies presented different results, which may be caused by degradation and metabolic changes of ginger components, gingerols, shogaols and paradols. Therefore, we prepared 10 ginger active components, namely 6-, 8-, 10-paradols, 6-, 8-, 10-shogaols, 6-, 8-, 10-gingerols and zingerone, and evaluated their anti-hyperglycemic activity...
January 17, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28106684/sudden-death-due-to-unusual-complication-of-takayasu-arteritis-an-autopsy-case
#9
Maher Jedidi, Youssef Chkirbene, Nihed Abdessayed, Tasnim Masmoudi, Mohamed Mahjoub, Souheil Mlayeh, Mohamed Ben Dhiab, Mohamed Kamel Souguir, Mohamed Taher Yacoubi
Takayasu arteritis is an uncommon inflammatory disease with usually a good prognosis. However, sometimes, the evolution can be fatal essentially by a coronary arteries involvement. We present a case of a 19-year-old woman who died suddenly from cardiogenic shock complicating an unknown Takayasu arteritis.At the autopsy, the aorta showed a significant thickening of the wall. The coronary arteries were slightly thickened and did not show any occlusion. Microscopic examination of the aorta showed an abundant granulomatous and a lymphoplasmacytic infiltrate...
January 18, 2017: American Journal of Forensic Medicine and Pathology
https://www.readbyqxmd.com/read/28106536/the-kip-cip-family-members-p21-waf1-cip1-and-p57-kip2-as-diagnostic-markers-for-breast-cancer
#10
Samir F Zohny, Othman A Baothman, Mohamed El-Shinawi, Abdulrahman L Al-Malki, Mazin A Zamzami, Hani Choudhry
OBJECTIVE: We examined the expression status of p21^{Waf1/Cip1} and p57^{Kip2} in breast cancer as well as their relationship with clinicopathological factors. Moreover, the diagnostic value of gene promoter methylation of p21^Waf1/Cip1 and p57^Kip2 were assessed in breast cancer patients. METHODS: This study involved 85 patients diagnosed with breast cancer and 36 patients with benign breast lesions. The expression of p21^{Waf1/Cip1} and p57^{Kip2} in cell lysates was analyzed by ELISA and Western blot, respectively...
January 13, 2017: Cancer Biomarkers: Section A of Disease Markers
https://www.readbyqxmd.com/read/28106331/a-randomized-controlled-trial-of-fresh-frozen-plasma-for-coagulopathy-in-russell-s-viper-daboia-russelii-envenoming
#11
G K Isbister, S Jayamanne, F Mohamed, A H Dawson, K Maduwage, I Gawarammana, D G Lalloo, H J de Silva, F E Scorgie, L F Lincz, N A Buckley
BACKGROUND: Russell's viper (Daboia russelii) envenoming is a major health issue in South Asia and causes venom induced consumption coagulopathy (VICC). OBJECTIVES: We investigated the effect of fresh frozen plasma (FFP) and two antivenom doses in correcting VICC. METHODS: We undertook an open-label randomized controlled trial in patients with VICC at two Sri Lankan hospitals. Patients with suspected Russell's viper bites and coagulopathy were randomly allocated (1:1) high-dose antivenom (20 vials) or low-dose antivenom (10 vials) plus 4U FFP...
January 20, 2017: Journal of Thrombosis and Haemostasis: JTH
https://www.readbyqxmd.com/read/28106001/impact-of-femoral-artery-puncture-using-digital-subtraction-angiography-and-road-mapping-on-vascular-and-bleeding-complications-after-transfemoral-transcatheter-aortic-valve-implantation
#12
Mohamed El-Mawardy, Bettina Schwarz, Martin Landt, Dmitriy Sulimov, Julia Kebernik, Abdelhakim Allali, Bjoern Becker, Ralph Toelg, Gert Richardt, Mohamed Abdel-Wahab
AIMS: The use of large-diameter sheaths carries the risk of significant vascular and bleeding complications after transfemoral transcatheter aortic valve implantation (TAVI). In this analysis, we sought to assess the impact of a modified femoral artery puncture technique using digital subtraction angiography (DSA) and road mapping during transfemoral TAVI on periprocedural vascular and bleeding events. METHODS AND RESULTS: This is a retrospective analysis of transfemoral TAVI patients included in a prospective institutional database...
January 20, 2017: EuroIntervention
https://www.readbyqxmd.com/read/28105973/selective-determination-of-human-growth-hormone-somatropin-in-the-presence-of-its-chemical-degradation-products
#13
Mamdouh R Rezk, Marwa F Mohamed, Faten Abdelaziz Fathalla, Mostafa A Shehata
A rapid and sensitive HPLC method was developedand validated for selective determination of thehuman growth hormone (hGH) somatropin in thepresence of its deamidated and oxidized degradationproducts. Reversed-phase chromatographywith an acetonitrile and ammonium bicarbonatemobile phase in gradient elution mode was used.A short run time of 15 min allowed rapid andcost-effective analysis, with an average retentiontime of 7.4 min for native hGH, 6.2 min for itsdeamidated form, and 4.3 and 6 min for its oxidizedvariants...
January 19, 2017: Journal of AOAC International
https://www.readbyqxmd.com/read/28105706/smartphone-use-addiction-can-cause-neck-disability
#14
Sami S AlAbdulwahab, Shaji John Kachanathu, Mohammed Saleh AlMotairi
No abstract text is available yet for this article.
January 19, 2017: Musculoskeletal Care
https://www.readbyqxmd.com/read/28105653/properdin-and-factor-h-production-by-human-dendritic-cells-modulates-their-t-cell-stimulatory-capacity-and-is-regulated-by-ifn-%C3%AE
#15
Karen O Dixon, Joseph O'Flynn, Ngaisah Klar-Mohamad, Mohamed R Daha, Cees van Kooten
Dendritic cells (DCs) and complement are both key members of the innate and adaptive immune response. Recent experimental mouse models have shown that production of alternative pathway (AP) components by DCs strongly affects their ability to activate and regulate T-cell responses. In this study we investigated the production and regulation of properdin (fP) and factor H (fH) both integral regulators of the AP, by DCs and tolerogenic DCs (tolDCs). Both fP and fH were produced by DCs, with significantly higher levels of both AP components produced by tolDCs...
January 20, 2017: European Journal of Immunology
https://www.readbyqxmd.com/read/28105597/environmental-and-ecological-risk-of-heavy-metals-in-the-marine-sediment-from-dakhla-bay-morocco
#16
Zidane Hakima, Maanan Mohamed, Mouradi Aziza, Maanan Mehdi, El Barjy Meryem, Zourarah Bendahhou, Blais Jean-Francois
Heavy metal assessment in Dakhla Bay (Atlantic coast) was carried out using different environmental and ecological indices. Heavy metal concentrations were measured using ICP-AES and were compared with consensus-based sediment quality guidelines. The distribution of heavy metal concentrations varies for the three groups: (i) lead distribution is dominated by its associations with copper and chromium. These elements have the same source, most probably related to anthropogenic activities. (ii) Nickel, zinc and cobalt are associated with aluminium and iron indicating their terrigenous origin (natural content), and (iii) cadmium concentration is related to upwelling currents...
January 20, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28105520/type-1-diabetic-patients-with-peripheral-neuropathy-have-pan-enteric-prolongation-of-gastrointestinal-transit-times-and-an-altered-caecal-ph-profile
#17
Adam D Farmer, Anne Grave Pedersen, Birgitte Brock, Poul Erik Jakobsen, Jesper Karmisholt, Sahar D Mohammed, S Mark Scott, Asbjørn Mohr Drewes, Christina Brock
AIMS/HYPOTHESIS: We hypothesised that type 1 diabetic patients with established diabetic sensorimotor polyneuropathy (DSPN) would have segmental and/or pan-enteric dysmotility in comparison to healthy age-matched controls. We aimed to investigate the co-relationships between gastrointestinal function, degree of DSPN and clinical symptoms. METHODS: An observational comparison was made between 48 patients with DSPN (39 men, mean age 50 years, range 29-71 years), representing the baseline data of an ongoing clinical trial (representing a secondary analysis of baseline data collected from an ongoing double-blind randomised controlled trial investigating the neuroprotective effects of liraglutide) and 41 healthy participants (16 men, mean age 49 years, range 30-78) who underwent a standardised wireless motility capsule test to assess gastrointestinal transit...
January 20, 2017: Diabetologia
https://www.readbyqxmd.com/read/28105504/quick-diagnosis-of-venous-air-embolism
#18
Shakeer Shaik, Jyoti Burad, Mohamed Al-Ismaili
No abstract text is available yet for this article.
January 19, 2017: Intensive Care Medicine
https://www.readbyqxmd.com/read/28105371/unfolding-anti-tumor-immunity-er-stress-responses-sculpt-tolerogenic-myeloid-cells-in-cancer
#19
REVIEW
Juan R Cubillos-Ruiz, Eslam Mohamed, Paulo C Rodriguez
Established tumors build a stressful and hostile microenvironment that blocks the development of protective innate and adaptive immune responses. Different subsets of immunoregulatory myeloid populations, including dendritic cells, myeloid-derived suppressor cells (MDSCs) and macrophages, accumulate in the stressed tumor milieu and represent a major impediment to the success of various forms of cancer immunotherapy. Specific conditions and factors within tumor masses, including hypoxia, nutrient starvation, low pH, and increased levels of free radicals, provoke a state of "endoplasmic reticulum (ER) stress" in both malignant cells and infiltrating myeloid cells...
2017: Journal for Immunotherapy of Cancer
https://www.readbyqxmd.com/read/28105363/incidence-and-survival-rates-of-ovarian-cancer-in-low-income-women-in-sudan
#20
Dafalla O Abuidris, Hsin-Yi Weng, Ahmed M Elhaj, Elgaylani Abdallah Eltayeb, Mohamed Elsanousi, Rehab S Ibnoof, Sulma I Mohammed
Ovarian cancer is the second most common gynecological cancer worldwide. Little is known about the disease in Sudan. The objective of the present study was to evaluate the incidence rate, age and stage at diagnosis, and median survival time of patients presenting at the National Cancer Institute-University of Gezira (NCI-UG), Sudan. Data were collected in a prospective study of women with ovarian cancer over a period of eleven years of follow-up (between 2000 and 2011). Descriptive statistics were used to summarize the distribution of the demographics of the sample...
December 2016: Molecular and Clinical Oncology
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