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https://www.readbyqxmd.com/read/28938224/novel-diphenylthiazole-derivatives-with-multi-target-mechanism-synthesis-docking-study-anticancer-and-anti-inflammatory-activities
#1
Ahmed H Abdelazeem, Mohammed T El-Saadi, Eman G Said, Bahaa G M Youssif, Hany A Omar, Samir M El-Moghazy
Over the last few decades, a growing body of studies addressed the anticancer activity of NSAIDs, particularly selective COX-2 inhibitors. However, their exact molecular mechanism is still unclear and is not fully investigated. In this regard, a novel series of compounds bearing a COXs privilege scaffold, diphenyl thiazole, was synthesized and evaluated for their anticancer activity against a panel of cancer cell lines. The most active compounds 10b, 14a,b, 16a, 17a,b and 18b were evaluated in vitro for COX-1/COX-2 inhibitory activity...
September 12, 2017: Bioorganic Chemistry
https://www.readbyqxmd.com/read/28937481/optimization-of-computed-tomography-coronary-angiography-for-improved-plaque-detection
#2
Hany Kashani, Graham Wright, Ali Ursani, Garry Liu, Masoud Hashemi, Narinder S Paul
OBJECTIVE: The study aims to optimize visualization of the coronary wall during computed tomography coronary angiography. METHODS: A coronary plaque phantom was scanned on a wide-volume computed tomography scanner. Spatial resolution, contrast resolution, and vessel wall thickness were measured at different x-ray tube currents and voltages. RESULTS: Spatial resolution ranged from 0.385 to 0.625 mm and was significantly lower at higher currents...
September 20, 2017: Journal of Computer Assisted Tomography
https://www.readbyqxmd.com/read/28936155/intracranial-solitary-fibrous-tumor-hemangiopericytoma-report-of-two-cases-and-literature-review
#3
Hani Talal Aljohani, D Chaussemy, F Proust, S Chibbaro
Intracranial solitary fibrous tumors (ISFTs) are rare mesenchymal neoplasms originating in the meninges and constitute a heterogeneous group of rare spindle cell tumors that include benign and malignant neoplasms of which hemangiopericytoma is nowadays considered a cellular phenotypic variant. ISFT usually shows benign or indolent clinical behavior. We describe two cases of ISFT managed in our institution along with a review of pertinent literature.
July 2017: International Journal of Health Sciences
https://www.readbyqxmd.com/read/28935817/2017-aha-acc-clinical-performance-and-quality-measures-for-adults-with-st-elevation-and-non-st-elevation-myocardial-infarction-a-report-of-the-american-college-of-cardiology-american-heart-association-task-force-on-performance-measures
#4
REVIEW
Hani Jneid, Daniel Addison, Deepak L Bhatt, Gregg C Fonarow, Sana Gokak, Kathleen L Grady, Lee A Green, Paul A Heidenreich, P Michael Ho, Corrine Y Jurgens, Marjorie L King, Dharam J Kumbhani, Samir Pancholy
No abstract text is available yet for this article.
October 2017: Circulation. Cardiovascular Quality and Outcomes
https://www.readbyqxmd.com/read/28933544/conformational-dynamics-and-exchange-kinetics-of-n-formyl-and-n-acetyl-groups-substituting-3-amino-3-6-dideoxy-%C3%AE-d-galactopyranose-a-sugar-found-in-bacterial-o-antigen-polysaccharides
#5
Olof Engström, Hani Mobarak, Jonas Ståhle, Göran Widmalm
Three dimensional shape and conformation of carbohydrates are important factors in molecular recognition events and the N-acetyl group of a monosaccharide residue can function as a conformational gatekeeper whereby it influences the overall shape of the oligosaccharide. NMR spectroscopy and quantum mechanics (QM) calculations are used herein to investigate both the conformational preferences and the dynamic behavior of N-acetyl and N-formyl substituents of 3-amino-3,6-dideoxy-α-D-galactopyranose, a sugar and substitution patterns found in bacterial O-antigen polysaccharides...
September 21, 2017: Journal of Physical Chemistry. B
https://www.readbyqxmd.com/read/28933369/epigenetic-mechanisms-of-tamoxifen-resistance-in-luminal-breast-cancer
#6
REVIEW
Hany A Abdel-Hafiz
Breast cancer is one of the most common cancers and the second leading cause of cancer death in the United States. Estrogen receptor (ER)-positive cancer is the most frequent subtype representing more than 70% of breast cancers. These tumors respond to endocrine therapy targeting the ER pathway including selective ER modulators (SERMs), selective ER downregulators (SERDs) and aromatase inhibitors (AIs). However, resistance to endocrine therapy associated with disease progression remains a significant therapeutic challenge...
July 6, 2017: Diseases (Basel)
https://www.readbyqxmd.com/read/28932118/fabrication-optimization-and-characterization-of-umbelliferone-%C3%AE-d-galactopyranoside-loaded-plga-nanoparticles-in-treatment-of-hepatocellular-carcinoma-in-vitro-and-in-vivo-studies
#7
Vikas Kumar, Prakash Chandra Bhatt, Mahfoozur Rahman, Gaurav Kaithwas, Hani Choudhry, Fahad A Al-Abbasi, Firoz Anwar, Amita Verma
Umbelliferone β-D-galactopyranoside (UFG), isolated from plants, exhibits promising inhibitory action on numerous diseases. The present research was initiated to develop a suitable delivery system for UFG with an intention to enhance its therapeutic efficacy against diethyl nitrosamine (DEN)-induced hepatocellular carcinoma (HCC) in Wistar rats. UFG-loaded polymeric nanoparticles prepared by sonication were scrutinized for average size, drug loading capacity, zeta potential, and drug release potency in animals...
2017: International Journal of Nanomedicine
https://www.readbyqxmd.com/read/28930753/camel-milk-attenuates-rheumatoid-arthritis-via-inhibition-of-mitogen-activated-protein-kinase-pathway
#8
Hany H Arab, Samir A Salama, Tamer M Abdelghany, Hany A Omar, El-Shaimaa A Arafa, Majed M Alrobaian, Ibrahim A Maghrabi
BACKGROUND/AIMS: Camel milk (CM) has shown beneficial anti-inflammatory actions in several experimental and clinical settings. So far, its effect on rheumatoid arthritis (RA) has not been previously explored. Thus, the current work aimed to evaluate the effects of CM in Adjuvant-induced arthritis and air pouch edema models in rats, which mimic human RA. METHODS: CM was administered at 10 ml/kg orally for 3 weeks starting on the day of Freund's adjuvant paw inoculation...
September 20, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28930152/proteomic-analysis-of-the-chlorophyta-dunaliella-new-strain-al-1-revealed-global-changes-of-metabolism-during-high-carotenoid-production
#9
Faten Ben Amor, Fatma Elleuch, Hajer Ben Hlima, Matthieu Garnier, Bruno Saint-Jean, Mohamed Barkallah, Chantal Pichon, Slim Abdelkafi, Imen Fendri
The green microalgae Dunaliella genus is known for the production of high added value molecules. In this study, strain AL-1 was isolated from the Sebkha of Sidi El Hani (Sousse, Tunisia). This isolate was identified both morphologically and genetically via 18S rRNA gene sequence as a member of the genus Dunaliella. Strain AL-1 was found to be closely related to Dunaliella salina, Dunaliella quartolecta and Dunaliella polymorpha with more than 97% similarity. Response surface methodology was used to maximize carotenoid production by strain AL-1 by optimizing its growth conditions...
September 20, 2017: Marine Drugs
https://www.readbyqxmd.com/read/28929607/caval-wall-injury-secondary-to-inferior-vena-cava-filter-removal-a-rare-complication
#10
Hani Saeed, Kenneth Buxey, Mark Fitzgerald
No abstract text is available yet for this article.
September 19, 2017: ANZ Journal of Surgery
https://www.readbyqxmd.com/read/28924413/pseudovitelliform-maculopathy-associated-with-deferoxamine-toxicity-multimodal-imaging-and-electrophysiology-of-a-rare-entity
#11
Kelly M Bui, SriniVas R Sadda, Hani Salehi-Had
Deferoxamine is a commonly used chelating agent for secondary hemochromatosis. We report a rare retinal manifestation of deferoxamine toxicity in a 68-year-old man and provide supporting multimodal imaging and electrophysiology. The patient had iron overload related to transfusion-dependent myelodysplastic syndrome and developed a pseudovitelliform macular lesion related to deferoxamine toxicity. We also describe for the first time the worsening of this maculopathy on deferasirox, an alternative chelating agent...
2017: Digital Journal of Ophthalmology: DJO
https://www.readbyqxmd.com/read/28922277/percutaneous-posterior-trans-articular-atlantoaxial-fixation-for-the-treatment-of-odontoid-fractures-in-the-elderly-a-prospective-study
#12
Mohamed Alhashash, Mootaz Shousha, Hany Gendy, Ahmed Samir Barakat, Heinrich Boehm
STUDY DESIGN: A prospective study of 20 multimorbid patients older than 65 years undergoing minimally invasive surgical treatment for odontoid fracture. OBJECTIVES: To analyze the results of percutaneous transarticular atlantoaxial screw fixation as a new minimally invasive treatment modality in this high risk group of patients. SUMMARY OF BACKGROUND DATA: Odontoid fractures are a common injury pattern in the elderly. These fractures typically present significant challenges as geriatric patients often have multiple comorbidities that may adversely affect fracture management...
September 15, 2017: Spine
https://www.readbyqxmd.com/read/28917326/serum-levels-of-cytokines-in-water-buffaloes-experimentally-infected-with-fasciola-gigantica
#13
Fu-Kai Zhang, Ai-Jiang Guo, Jun-Ling Hou, Miao-Miao Sun, Zhao-An Sheng, Xiao-Xuan Zhang, Wei-Yi Huang, Hany M Elsheikha, Xing-Quan Zhu
Fasciola gigantica infection in water buffaloes causes significant economic losses especially in developing countries. Although modulation of the host immune response by cytokine neutralization or vaccination is a promising approach to control infection with this parasite, our understanding of cytokine's dynamic during F. gigantica infection is limited. To address this, we quantified the levels of serum cytokines produced in water buffaloes following experimental infection with F. gigantica. Five buffaloes were infected via oral gavage with 500 viable F...
September 15, 2017: Veterinary Parasitology
https://www.readbyqxmd.com/read/28917256/postoperative-stereotactic-body-radiotherapy-for-spinal-metastases
#14
Majed Alghamdi, Chia-Lin Tseng, Sten Myrehaug, Pejman Maralani, Chris Heyn, Hany Soliman, Young Lee, Mark Ruschin, Leodante Da Costa, Victor Yang, Mikki Campbell, Arjun Sahgal
Spine is a common site of metastases in cancer patients. Spine surgery is indicated for select patients, typically those with mechanical instability and/or malignant epidural spinal cord (or cauda equina) compression. Although post-operative conventional palliative external beam radiation therapy has been the standard of care, technical improvements in radiation planning and image-guided radiotherapy have allowed for the application of stereotactic body radiotherapy (SBRT) to the spine. Spine SBRT is intended to ablate residual tumor and optimize local control by delivering several fold greater biologically effective doses...
September 2017: Chinese Clinical Oncology
https://www.readbyqxmd.com/read/28917067/dengue-fever-clinical-features-of-567-consecutive-patients-admitted-to-a-tertiary-care-center-in-saudi-arabia
#15
Samar Badreddine, Fahmi Al-Dhaheri, Ammar Al-Dabbagh, Abdulrahman Al-Amoudi, Maged Al-Ammari, Nader Elatassi, Haytham Abbas, Rami Magliah, Abdulbasit Malibari, Hani Almoallim
To delineate the clinical features and outcomes of dengue infection and to guide clinician of early diagnosis and identification of risks factors for dengue hemorrhagic fever. Methods: This study is a retrospective cross-sectional. Clinical records of 567 patients with a confirmed diagnosis of dengue infection, admitted to a single hospital in Jeddah, Saudi Arabia, between January 2010 and  June 2014 were reviewed.  Results: Dengue infection was most common in adult males. Sixty-eight percent of infections were in Saudi nationals...
October 2017: Saudi Medical Journal
https://www.readbyqxmd.com/read/28917063/accuracy-of-preoperative-fine-needle-aspiration-in-diagnosis-of-malignant-parotid-tumors
#16
Hani Z Marzouki, Mohammed A Altabsh, Mohammed O Albakrei, Talal A Al-Khatib, Mazin A Merdad, Nada J Farsi
To determine the diagnostic accuracy of fine needle aspiration (FNA) for detecting malignant parotid tumors. Methods: We conducted a retrospective study of all patients diagnosed with benign or malignant parotid gland tumors in King Abdulaziz University Hospital,  Jeddah, Saudi Arabia, between January 2004 and May 2015. The records of 65 subjects were obtained. Histopathological findings and data from FNA examinations were obtained from medical records. Twenty-three subjects were excluded due to missing FNA, histopathology results or both...
October 2017: Saudi Medical Journal
https://www.readbyqxmd.com/read/28916834/ultrastructural-characterization-of-the-glomerulopathy-in-alport-mice-by-helium-ion-scanning-microscopy-him
#17
Kenji Tsuji, Hani Suleiman, Jeffrey H Miner, James M Daley, Diane E Capen, Teodor G Păunescu, Hua A Jenny Lu
The glomerulus exercises its filtration barrier function by establishing a complex filtration apparatus consisting of podocyte foot processes, glomerular basement membrane and endothelial cells. Disruption of any component of the glomerular filtration barrier leads to glomerular dysfunction, frequently manifested as proteinuria. Ultrastructural studies of the glomerulus by transmission electron microscopy (TEM) and conventional scanning electron microscopy (SEM) have been routinely used to identify and classify various glomerular diseases...
September 15, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28916158/pyrrolizines-design-synthesis-anticancer-evaluation-and-investigation-of-the-potential-mechanism-of-action
#18
Ahmed M Gouda, Ahmed H Abdelazeem, Hany A Omar, Ashraf N Abdalla, Mohammed A S Abourehab, Hamed I Ali
A novel set of pyrrolizine-5-carboxamides has been synthesized and evaluated for their anticancer potential against human breast MCF-7, lung carcinoma A549 and hepatoma Hep3B cancer cell lines. Compound 10c was the most active against MCF-7 with IC50 value of 4.72µM, while compound 12b was the most active against A549 and Hep3B cell lines. Moreover, kinases/COXs inhibition and apoptosis induction were suggested as potential molecular mechanisms for the anticancer activity of the novel pyrrolizines based on their structural features...
August 24, 2017: Bioorganic & Medicinal Chemistry
https://www.readbyqxmd.com/read/28914979/systemic-evaluation-of-vascular-dysfunction-by-high-resolution-sonography-in-an-n%C3%AF-nitro-l-arginine-methyl-ester-hydrochloride-induced-mouse-model-of-preeclampsia-like-symptoms
#19
Ying Zhao, Ning Yang, Hanying Li, Wei Cai, Xin Zhang, Yongqiang Ma, Xiulong Niu, Guohong Yang, Xin Zhou, Yuming Li
OBJECTIVES: The purpose of this study was to evaluate vascular function, including arterial resistance and endothelial function, by high-resolution sonography in an Nω -nitro-l-arginine methyl ester hydrochloride (l-NAME)-induced mouse model of preeclampsia-like symptoms. METHODS: Pregnant mice were subcutaneously injected with a saline solution (control; n = 10) or l-NAME (n = 10) between the 7th and 18th days of gestation. The resistive index and pulsatility index (RI and PI, indicators of arterial resistance) of the uteroplacental, umbilical, femoral, and common carotid arteries and the flow-mediated dilatation (index of endothelial function) of the femoral artery were measured by high-frequency sonography in both groups...
September 15, 2017: Journal of Ultrasound in Medicine: Official Journal of the American Institute of Ultrasound in Medicine
https://www.readbyqxmd.com/read/28912990/triple-synchronous-primary-neoplasms-of-the-cervix-endometrium-and-ovary-a-rare-case-report-and-summary-of-all-the-english-pubmed-indexed-literature
#20
Ahmed Abu-Zaid, Mohannad Alsabban, Mohammed Abuzaid, Osama Alomar, Hany Salem, Ismail A Al-Badawi
The incidence rate of triple or more synchronous primary neoplasms of the female genital system is exceedingly uncommon. To the best of our knowledge, only 13 such cases have been reported in the PubMed-indexed English literature. Herein, we report a single case of triple synchronous primary neoplasms of the cervix, endometrium, and left ovary with three distinct histological patterns that were not reported previously. Moreover, we briefly present a summary table of all the English PubMed-indexed cases of triple or more synchronous primary neoplasms of the female genital system (n = 13)...
2017: Case Reports in Obstetrics and Gynecology
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