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https://www.readbyqxmd.com/read/28210967/core-shell-drug-carrier-from-folate-conjugated-chitosan-obtained-from-prawn-shell-for-targeted-doxorubicin-delivery
#1
Md Sazedul Islam, Papia Haque, Taslim U Rashid, M Nuruzzaman Khan, Abul K Mallik, M Nazrul I Khan, Mala Khan, Mohammed Mizanur Rahman
A multifunctional drug carrier with dual targeting (magnetic and folate-receptor) and pH sensitive core-shell hybrid nanomaterial has been developed to carry an anticancer drug doxorubicin.Superparamagnetic iron oxide nanoparticles (IONPs) were used as core of the carrier and cross-linked folate conjugated chitosan (FA-CS) was acted as shell in which doxorubicin was physically entrapped. Transmission electron microscopy (TEM) analysis confirmed the average particle size of IONPs and FA-CS coated IONPs 8.2 and 15...
April 2017: Journal of Materials Science. Materials in Medicine
https://www.readbyqxmd.com/read/28209629/burden-of-musculoskeletal-disorders-in-the-eastern-mediterranean-region-1990-2013-findings-from-the-global-burden-of-disease-study-2013
#2
Maziar Moradi-Lakeh, Mohammad H Forouzanfar, Stein Emil Vollset, Charbel El Bcheraoui, Farah Daoud, Ashkan Afshin, Raghid Charara, Ibrahim Khalil, Hideki Higashi, Mohamed Magdy Abd El Razek, Aliasghar Ahmad Kiadaliri, Khurshid Alam, Nadia Akseer, Nawal Al-Hamad, Raghib Ali, Mohammad AbdulAziz AlMazroa, Mahmoud A Alomari, Abdullah A Al-Rabeeah, Ubai Alsharif, Khalid A Altirkawi, Suleman Atique, Alaa Badawi, Lope H Barrero, Mohammed Basulaiman, Shahrzad Bazargan-Hejazi, Neeraj Bedi, Isabela M Bensenor, Rachelle Buchbinder, Hadi Danawi, Samath D Dharmaratne, Faiez Zannad, Maryam S Farvid, Seyed-Mohammad Fereshtehnejad, Farshad Farzadfar, Florian Fischer, Rahul Gupta, Randah Ribhi Hamadeh, Samer Hamidi, Masako Horino, Damian G Hoy, Mohamed Hsairi, Abdullatif Husseini, Mehdi Javanbakht, Jost B Jonas, Amir Kasaeian, Ejaz Ahmad Khan, Jagdish Khubchandani, Ann Kristin Knudsen, Jacek A Kopec, Raimundas Lunevicius, Hassan Magdy Abd El Razek, Azeem Majeed, Reza Malekzadeh, Kedar Mate, Alem Mehari, Michele Meltzer, Ziad A Memish, Mojde Mirarefin, Shafiu Mohammed, Aliya Naheed, Carla Makhlouf Obermeyer, In-Hwan Oh, Eun-Kee Park, Emmanuel Kwame Peprah, Farshad Pourmalek, Mostafa Qorbani, Anwar Rafay, Vafa Rahimi-Movaghar, Rahman Shiri, Sajjad Ur Rahman, Rajesh Kumar Rai, Saleem M Rana, Sadaf G Sepanlou, Masood Ali Shaikh, Ivy Shiue, Abla Mehio Sibai, Diego Augusto Santos Silva, Jasvinder A Singh, Jens Christoffer Skogen, Abdullah Sulieman Terkawi, Kingsley N Ukwaja, Ronny Westerman, Naohiro Yonemoto, Seok-Jun Yoon, Mustafa Z Younis, Zoubida Zaidi, Maysaa El Sayed Zaki, Stephen S Lim, Haidong Wang, Theo Vos, Mohsen Naghavi, Alan D Lopez, Christopher J L Murray, Ali H Mokdad
OBJECTIVES: We used findings from the Global Burden of Disease Study 2013 to report the burden of musculoskeletal disorders in the Eastern Mediterranean Region (EMR). METHODS: The burden of musculoskeletal disorders was calculated for the EMR's 22 countries between 1990 and 2013. A systematic analysis was performed on mortality and morbidity data to estimate prevalence, death, years of live lost, years lived with disability and disability-adjusted life years (DALYs)...
February 16, 2017: Annals of the Rheumatic Diseases
https://www.readbyqxmd.com/read/28183295/meta-analysis-of-gene-expression-in-relapsed-childhood-b-acute-lymphoblastic-leukemia
#3
Yock-Ping Chow, Hamidah Alias, Rahman Jamal
BACKGROUND: Relapsed pediatric B-acute lymphoblastic leukemia (B-ALL) remains as the leading cause of cancer death among children. Other than stem cell transplantation and intensified chemotherapy, no other improved treatment strategies have been approved clinically. Gene expression profiling represents a powerful approach to identify potential biomarkers and new therapeutic targets for various diseases including leukemias. However, inadequate sample size in many individual experiments has failed to provide adequate study power to yield translatable findings...
February 10, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28164415/e-coli-contamination-of-child-complementary-foods-and-association-with-domestic-hygiene-in-rural-bangladesh
#4
Sarker Masud Parvez, Laura Kwong, Musarrat Jabeen Rahman, Ayse Ercumen, Amy J Pickering, Probir K Ghosh, Md Zahidur Rahman, Kishor Kumar Das, Stephen P Luby, Leanne Unicomb
OBJECTIVE: To determine the frequency and concentration of E. coli in child complementary food and its association with domestic hygiene practices in rural Bangladesh. METHOD: 608 households with children <2 years were enrolled. We collected stored complementary food samples, performed spot checks on domestic hygiene and measured ambient temperature in the food storage area. Food samples were analyzed using the IDEXX most probable number (MPN) method with Colilert-18 media to enumerate E...
February 6, 2017: Tropical Medicine & International Health: TM & IH
https://www.readbyqxmd.com/read/28158876/predictors-of-the-need-for-therapeutic-intervention-in-older-adult-patients-with-a-nonvariceal-gastrointestinal-bleed
#5
Khalid Abusaada, Xiaoping He, Fnu Asad-Ur-Rahman, Umair Majeed, Evgeny Idrisov, Sameen Khalid, Xiang Zhu, Vladimir Pech, George Everett
OBJECTIVE: Gastrointestinal bleeding (GIB) is a common cause of hospitalization in the older adult population. The aim of the study was to identify factors that are associated with the need for a therapeutic intervention in patients older than 65 years with nonvariceal GIB. METHODS: This is a retrospective cohort study of older adult patients admitted to a tertiary care center between 2009 and 2011 with nonvariceal GIB. The primary outcome was a composite endpoint of inpatient mortality or need for an endoscopic, surgical, or radiologic procedure to control the bleed or to treat the underlying source of the bleed...
February 2017: Southern Medical Journal
https://www.readbyqxmd.com/read/28152256/accelerated-dual-venc-4d-flow-mri-for-neurovascular-applications
#6
Susanne Schnell, Sameer A Ansari, Can Wu, Julio Garcia, Ian G Murphy, Ozair A Rahman, Amir A Rahsepar, Maria Aristova, Jeremy D Collins, James C Carr, Michael Markl
PURPOSE: To improve velocity-to-noise ratio (VNR) and dynamic velocity range of 4D flow magnetic resonance imaging (MRI) by using dual-velocity encoding (dual-venc) with k-t generalized autocalibrating partially parallel acquisition (GRAPPA) acceleration. MATERIALS AND METHODS: A dual-venc 4D flow MRI sequence with k-t GRAPPA acceleration was developed using a shared reference scan followed by three-directional low- and high-venc scans (repetition time / echo time / flip angle = 6...
February 2, 2017: Journal of Magnetic Resonance Imaging: JMRI
https://www.readbyqxmd.com/read/28138054/bites-by-the-monocled-cobra-naja-kaouthia-in-chittagong-division-bangladesh-epidemiology-clinical-features-of-envenoming-and-management-of-70-identified-cases
#7
M A Faiz, M F Ahsan, A Ghose, M R Rahman, R Amin, M Hossain, M N Tareq, M A Jalil, U Kuch, R D G Theakston, D A Warrell, J B Harris
We describe 70 cases of monocled cobra (Naja kaouthia) bite admitted to Chittagong Medical College Hospital, Bangladesh. The biting snakes were identified by examining the dead snake and/or detecting N. kaouthia venom antigens in patients' serum. Bites were most common in the early morning and evening during the monsoon (May-July). Ligatures were routinely applied to the bitten limb before admission. Thirty-seven patients consulted traditional healers, most of whom made incisions around the bite site. Fifty-eight patients experienced severe neurotoxicity and most suffered swelling and pain of the bitten limb...
January 30, 2017: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/28131743/novel-genes-involved-in-pathophysiology-of-gonadotropin-dependent-adrenal-tumors-in-mice
#8
Milena Doroszko, Marcin Chrusciel, Kirstine Belling, Susanna Vuorenoja, Marlene Dalgaard, Henrik Leffers, H Bjørn Nielsen, Ilpo Huhtaniemi, Jorma Toppari, Nafis A Rahman
Specific inbred strains and transgenic inhibin-α Simian Virus 40 T antigen (inhα/Tag) mice are genetically susceptible to gonadectomy-induced adrenocortical neoplasias. We identified altered gene expression in prepubertally gonadectomized (GDX) inhα/Tag and wild-type (WT) mice. Besides earlier reported Gata4 and Lhcgr, we found up-regulated Esr1, Prlr-rs1, and down-regulated Grb10, Mmp24, Sgcd, Rerg, Gnas, Nfatc2, Gnrhr, Igf2 in inhα/Tag adrenal tumors. Sex-steroidogenic enzyme genes expression (Srd5a1, Cyp19a1) was up-regulated in tumors, but adrenal-specific steroidogenic enzyme (Cyp21a1, Cyp11b1, Cyp11b2) down-regulated...
January 25, 2017: Molecular and Cellular Endocrinology
https://www.readbyqxmd.com/read/28099910/multiple-biological-functions-of-twist1-in-various-cancers
#9
Zhixiang Zhao, Mohammad Aminur Rahman, Zhuo G Chen, Dong M Shin
Twist1 is a well-known regulator of transcription during embryonic organogenesis in many species. In humans, Twist1 malfunction was first linked to Saethre-Chotzen syndrome and later identified to play an essential role in tumor initiation, stemness, angiogenesis, invasion, metastasis, and chemo-resistance in a variety of carcinomas, sarcomas, and hematological malignances. In this review, we will first focus on systematically elaborating the diverse pathological functions of Twist1 in various cancers, then delineating the intricate underlying network of molecular mechanisms, based on which we will summarize current therapeutic strategies in cancer treatment that target and modulate Twist1-involved signaling pathways...
January 12, 2017: Oncotarget
https://www.readbyqxmd.com/read/28096606/phylogenetic-analysis-of-glycoprotein-b-gene-sequences-of-bovine-herpesvirus-1-isolates-from-india-reveals-the-predominance-of-subtype-1-1
#10
S S Patil, A Prajapati, D Hemadri, K P Suresh, G S Desai, G B Manjunatha Reddy, B M Chandranaik, S Ranganatha, H Rahman
AIM: This study was conducted for the isolation and molecular characterization of bovine herpesvirus 1 (BoHV-1) isolated from the nasal and vaginal swabs collected from naturally infected cattle showing clinical symptoms of the respiratory disease. MATERIALS AND METHODS: Isolation of BoHV-1 virus performed on clinical samples collected from 65 cattle from five states of India. The BoHV-1 isolates were further confirmed by polymerase chain reaction (PCR) using primers specific for glycoprotein B (gB) genomic region...
December 2016: Veterinary World
https://www.readbyqxmd.com/read/28095468/evaluating-hospital-based-surveillance-for-outbreak-detection-in-bangladesh-analysis-of-healthcare-utilization-data
#11
Birgit Nikolay, Henrik Salje, Katharine Sturm-Ramirez, Eduardo Azziz-Baumgartner, Nusrat Homaira, Makhdum Ahmed, A Danielle Iuliano, Repon C Paul, Mahmudur Rahman, M Jahangir Hossain, Stephen P Luby, Simon Cauchemez, Emily S Gurley
BACKGROUND: The International Health Regulations outline core requirements to ensure the detection of public health threats of international concern. Assessing the capacity of surveillance systems to detect these threats is crucial for evaluating a country's ability to meet these requirements. METHODS AND FINDINGS: We propose a framework to evaluate the sensitivity and representativeness of hospital-based surveillance and apply it to severe neurological infectious diseases and fatal respiratory infectious diseases in Bangladesh...
January 2017: PLoS Medicine
https://www.readbyqxmd.com/read/28093980/emerging-advances-in-nanomedicine-as-a-nanoscale-pharmacotherapy-in-rheumatoid-arthritis-state-of-the-art
#12
REVIEW
Mahfoozur Rahman, Gajanand Sharma, Kanika Thakur, Firoz Anwar, O P Katare, Vijay G Goni, Vikas Kumar, Mazin A Zamzami, Sohail Akhter
There are several significant setbacks including limited bioavailability, high clearance, and further current therapies require higher and frequent dosing to gain desired therapeutic effects. Nanomedicines have been widely investigated for rheumatoid arthritis (RA). Though, higher doses also increase the incidence of dreadful adverse effects. Further, nanocarrier properties are tuned by the use of different approaches like varied methods of loading, hydrophilic polymers and targeting ligands, to change the physicochemical properties including higher encapsulation, better penetrating ability to biological barriers, thus preventing the uptake of various nanocarriers by liver and spleen...
2017: Current Topics in Medicinal Chemistry
https://www.readbyqxmd.com/read/28062676/associations-of-conventional-echocardiographic-measures-with-incident-heart-failure-and-mortality-the-chronic-renal-insufficiency-cohort
#13
Ruth F Dubin, Rajat Deo, Nisha Bansal, Amanda H Anderson, Peter Yang, Alan S Go, Martin Keane, Ray Townsend, Anna Porter, Matthew Budoff, Shaista Malik, Jiang He, Mahboob Rahman, Jackson Wright, Thomas Cappola, Radhakrishna Kallem, Jason Roy, Daohang Sha, Michael G Shlipak
BACKGROUND AND OBJECTIVES: Heart failure is the most frequent cardiac complication of CKD. Left ventricular hypertrophy is common and develops early in CKD, but studies have not adequately evaluated the association of left ventricular mass index with heart failure incidence among men and women with CKD. DESIGN, SETTING, PARTICIPANTS, & MEASUREMENTS: We evaluated echocardiograms of 2567 participants without self-reported heart failure enrolled in the Chronic Renal Insufficiency Cohort Study...
January 6, 2017: Clinical Journal of the American Society of Nephrology: CJASN
https://www.readbyqxmd.com/read/28053882/hepatoprotective-potential-of-ethanolic-extract-of-aquilaria-agallocha-leaves-against-paracetamol-induced-hepatotoxicity-in-sd-rats
#14
Janey Alam, Md Mujahid, Badruddeen, Yasmeen Jahan, Paramdeep Bagga, Md Azizur Rahman
Many traditional systems of medicines employ herbal drugs for the hepatoprotection. Aim of the study was designed to evaluate the hepatoprotective potential of 'ethanolic extract of Aquilaria agallocha ( Chen Xiang) leaves' (AAE) against paracetamol (PCM) induced hepatotoxicity in SD rats. Group I animals were treated with 1% CMC for 8 days. Group II, III, IV and V animals were first treated with '1% CMC' 1 ml/kg/day, AAE 200 mg/kg/day, AAE 400 mg/kg/day and silymarin 100 mg/kg/day respectively for 7 days and then, orally administered with PCM 3 g/kg b...
January 2017: Journal of Traditional and Complementary Medicine
https://www.readbyqxmd.com/read/28051097/aged-garlic-has-more-potent-antiglycation-and-antioxidant-properties-compared-to-fresh-garlic-extract-in-vitro
#15
Abdulhakim Elosta, Mark Slevin, Khalid Rahman, Nessar Ahmed
Protein glycation involves formation of early (Amadori) and late advanced glycation endproducts (AGEs) together with free radicals via autoxidation of glucose and Amadori products. Glycation and increased free radical activity underlie the pathogenesis of diabetic complications. This study investigated whether aged garlic has more potent antiglycation and antioxidant properties compared to fresh garlic extract in vitro in a cell-free system. Proteins were glycated by incubation with sugars (glucose, methylglyoxal or ribose) ±5-15 mg/mL of aged and fresh garlic extracts...
January 4, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28032633/estrogen-receptors-%C3%AE-and-%C3%AE-play-major-roles-in-ethanol-evoked-myocardial-oxidative-stress-and-dysfunction-in-conscious-ovariectomized-rats
#16
Fanrong Yao, Abdel A Abdel-Rahman
BACKGROUND: We documented the dependence of ethanol (EtOH)-evoked myocardial dysfunction on estrogen (E2 ), and our recent estrogen receptor (ER) blockade study, in proestrus rats, implicated ERα signaling in this phenomenon. However, a limitation of selective pharmacological loss-of-function approach is the potential contribution of the other 2 ERs to the observed effects because crosstalk exists between the 3 ERs. Here, we adopted a "regain"-of-function approach (using selective ER subtype agonists) to identify the ER subtype(s) required for unraveling the E2 -dependent myocardial oxidative stress/dysfunction caused by EtOH in conscious ovariectomized (OVX) rats...
February 2017: Alcoholism, Clinical and Experimental Research
https://www.readbyqxmd.com/read/28029431/urine-biomarkers-of-tubular-injury-do-not-improve-on-the-clinical-model-predicting-chronic-kidney-disease-progression
#17
Chi-Yuan Hsu, Dawei Xie, Sushrut S Waikar, Joseph V Bonventre, Xiaoming Zhang, Venkata Sabbisetti, Theodore E Mifflin, Josef Coresh, Clarissa J Diamantidis, Jiang He, Claudia M Lora, Edgar R Miller, Robert G Nelson, Akinlolu O Ojo, Mahboob Rahman, Jeffrey R Schelling, Francis P Wilson, Paul L Kimmel, Harold I Feldman, Ramachandran S Vasan, Kathleen D Liu
Few investigations have evaluated the incremental usefulness of tubular injury biomarkers for improved prediction of chronic kidney disease (CKD) progression. As such, we measured urinary kidney injury molecule-1, neutrophil gelatinase-associated lipocalin, N-acetyl-ß-D-glucosaminidase and liver fatty acid binding protein under highly standardized conditions among 2466 enrollees of the prospective Chronic Renal Insufficiency Cohort Study. During 9433 person-years of follow-up, there were 581 cases of CKD progression defined as incident end-stage renal disease or halving of the estimated glomerular filtration rate...
October 28, 2016: Kidney International
https://www.readbyqxmd.com/read/28025687/characterisation-of-the%C3%A2-daacs%C3%A2-family-escherichia-coli-glutamate-aspartate-proton-symporter-gltp-using-computational-chemical-biochemical-and-biophysical-methods
#18
Moazur Rahman, Fouzia Ismat, Li Jiao, Jocelyn M Baldwin, David J Sharples, Stephen A Baldwin, Simon G Patching
Escherichia coli glutamate/aspartate-proton symporter GltP is a member of the Dicarboxylate/Amino Acid:Cation Symporter family of secondary active transport proteins. A range of computational, chemical, biochemical and biophysical methods characterised evolutionary relationships, structural features, substrate binding affinities and transport kinetics of wild-type and mutant forms of GltP. Sequence alignments and phylogenetic analysis revealed close homologies of GltP with human glutamate transporters involved in neurotransmission, neutral amino acid transporters and with the archaeal aspartate transporter GltPh...
December 26, 2016: Journal of Membrane Biology
https://www.readbyqxmd.com/read/28011306/heavy-metal-contamination-of-freshwater-prawn-macrobrachium-rosenbergii-and-prawn-feed-in-bangladesh-a-market-based-study-to-highlight-probable-health-risks
#19
G M Rabiul Islam, Mohammad Ruzlan Habib, Jillian L Waid, M Safiur Rahman, J Kabir, S Akter, Y N Jolly
An assessment of the dietary risk of heavy metal exposure to humans is important since it is the main source of exposure. This study aimed to estimate the degree of contamination and assess the probable health risk in the prawn food chain. In prawn feed, the concentrations of metals were detected in the following order: Hg > Co > Pb > Cd. The concentrations of heavy metals in prawn were the highest for Co and lowest for Cd. Trace amounts of As and Cr were detected in the analyzed sample. Target hazard quotients for heavy metals for adults were >1 for Pb, Cd, Hg, and Co, and for children, the same were high for Co and Hg, indicating significant health risks upon dietary exposure...
March 2017: Chemosphere
https://www.readbyqxmd.com/read/28004774/non-native-three-dimensional-block-copolymer-morphologies
#20
Atikur Rahman, Pawel W Majewski, Gregory Doerk, Charles T Black, Kevin G Yager
Self-assembly is a powerful paradigm, wherein molecules spontaneously form ordered phases exhibiting well-defined nanoscale periodicity and shapes. However, the inherent energy-minimization aspect of self-assembly yields a very limited set of morphologies, such as lamellae or hexagonally packed cylinders. Here, we show how soft self-assembling materials-block copolymer thin films-can be manipulated to form a diverse library of previously unreported morphologies. In this iterative assembly process, each polymer layer acts as both a structural component of the final morphology and a template for directing the order of subsequent layers...
December 22, 2016: Nature Communications
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