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https://www.readbyqxmd.com/read/28542045/massive-hemoptysis-through-endotracheal-tube-during-emergency-cesarean-delivery-a-case-report-and-literature-review
#1
Von Vee Ng, Mukesh Kumar Shah, Ting Ting Oh, Abirami Ramanathan, Thangavelautham Suhitharan
Severe pulmonary hemorrhage occurred through the endotracheal tube during an emergency cesarean delivery. Intubation trauma was excluded with fiberoptic bronchoscopy. Episodes of hemoptysis continued for 48 hours. The patient was subsequently diagnosed with diffuse alveolar hemorrhage because of systemic lupus erythematosus. The diagnostic workup, successful management, and literature review are presented.
May 24, 2017: A & A Case Reports
https://www.readbyqxmd.com/read/28540892/aldosterone-synthase-gene-is-not-a-major-susceptibility-gene-for-progression-of-chronic-kidney-disease-in-patients-with-autosomal-dominant-polycystic-kidney-disease
#2
Gnanasambandan Ramanathan, Ramprasad Elumalai, Soundararajan Periyasamy, Bhaskar V K S Lakkakula
Autosomal dominant polycystic kidney disease (ADPKD) is the most common heritable kidney disease and is characterized by bilateral renal cysts. Hypertension is a frequent cause of chronic kidney disease (CKD) and mortality in patients with ADPKD. The aldosterone synthase gene polymorphisms of the renin-angiotensin-aldosterone system have been extensively studied as hypertension candidate genes. The present study is aimed to investigate the potential modifier effect of CYP11B2 gene on the progression of CKD in ADPKD...
May 2017: Saudi Journal of Kidney Diseases and Transplantation
https://www.readbyqxmd.com/read/28537354/the-use-of-transcutaneous-electrical-nerve-stimulation-after-total-knee-arthroplasty-a-prospective-randomized-controlled-trial
#3
Deepak Ramanathan, Anas Saleh, Alison K Klika, Carlos A Higuera, Wael K Barsoum
INTRODUCTION: Multimodal pain management is used after total knee arthroplasty (TKA) to reduce opioid intake. Transcutaneous electrical nerve stimulation (TENS) has generated much interest as a non-pharmacologic, patient-controlled therapy. The aims of this study were to evaluate the efficacy of TENS in reducing opioid intake and improving recovery after TKA. MATERIALS AND METHODS: This was a prospective, parallel-group, double-blinded, randomized trial of patients receiving femoral nerve catheter block with allocation to either active or placebo TENS device groups...
May 24, 2017: Surgical Technology International
https://www.readbyqxmd.com/read/28535040/cancer-cell-discrimination-using-host-guest-doubled-arrays
#4
Ngoc D B Le, Gulen Yesilbag Tonga, Rubul Mout, Sung Tae Kim, Marcos E Wille, Subinoy Rana, Karen A Dunphy, D Joseph Jerry, Mahdieh Yazdani, Rajesh Ramanathan, Caren M Rotello, Vincent M Rotello
We report a nanosensor that uses cell lysates to rapidly profile the tumorigenicity of cancer cells. This sensing platform uses host-guest interactions between cucurbit[7]uril (CB[7]) and the cationic headgroup of a gold nanoparticle (AuNP) to non-covalently modify the binding of three fluorescent proteins of a multichannel sensor in situ. This approach doubles the number of output channels to six, providing single-well identification of cell lysates with 100 % accuracy. Significantly, this classification could be extended beyond the training set, determining the invasiveness of novel cell lines...
May 23, 2017: Journal of the American Chemical Society
https://www.readbyqxmd.com/read/28497880/ambient-protection-of-few-layer-black-phosphorus-via-sequestration-of-reactive-oxygen-species
#5
Sumeet Walia, Sivacarendran Balendhran, Taimur Ahmed, Mandeep Singh, Christopher El-Badawi, Mathew D Brennan, Pabudi Weerathunge, Md Nurul Karim, Fahmida Rahman, Andrea Rassell, Jonathan Duckworth, Rajesh Ramanathan, Gavin E Collis, Charlene J Lobo, Milos Toth, Jimmy Christopher Kotsakidis, Bent Weber, Michael Fuhrer, Jose M Dominguez-Vera, Michelle J S Spencer, Igor Aharonovich, Sharath Sriram, Madhu Bhaskaran, Vipul Bansal
Few-layer black phosphorous (BP) has emerged as a promising candidate for next-generation nanophotonic and nanoelectronic devices. However, rapid ambient degradation of mechanically exfoliated BP poses challenges in its practical deployment in scalable devices. To date, the strategies employed to protect BP have relied upon preventing its exposure to atmospheric conditions. Here, an approach that allows this sensitive material to remain stable without requiring its isolation from the ambient environment is reported...
May 12, 2017: Advanced Materials
https://www.readbyqxmd.com/read/28488218/discovery-of-therapeutic-lead-molecule-against-%C3%AE-tubulin-using-computational-approach
#6
K Ramanathan, Kanika Verma, Naina Gupta, V Shanthi
Virtual screening strategy was performed against the target β-tubulin to overcome paclitaxel resistance in blood cancer types. In essence, A185T and A248V are two such important mutations frequently observed in clinical trials that confer paclitaxel resistance. In the present investigation, compounds from NPACT database were filtered by pharmacokinetics, toxicity and binding energy values. A total of 5 active compounds were identified from a list of 1574 bioactive compounds investigated in our study. Finally, we have compiled all the characteristic features into biologically meaningful clusters by hierarchical clustering algorithm...
May 9, 2017: Interdisciplinary Sciences, Computational Life Sciences
https://www.readbyqxmd.com/read/28482540/dual-layered-3d-nanofibrous-matrix-incorporated-with-dual-drugs-and-their-synergetic-effect-on-accelerating-wound-healing-through-growth-factor-regulation
#7
Sivakumar Singaravelu, Giriprasath Ramanathan, Uma Tiruchirapalli Sivagnanam
The by-product of the slaughter house was utilized for the development of promising regenerative wound dressing material. Currently, dual-layered nanofibrous spongy scaffold was fabricated for tissue engineering applications. Herein, Keratin (K)-Fibrin (F)-Gelatin (G) 3D sponge loaded with Mupirocin (M) was fabricated with the naturally derived materials from bovine origin using freeze drying method. Moreover, poly(3-hydroxybutyric acid) (P) and Gelatin(G) solution loaded with Curcumin (C) were electrospun to get the dual drug loaded dual-layered nanofibrous spongy 3D scaffold (KFG:M-PG:C)...
July 1, 2017: Materials Science & Engineering. C, Materials for Biological Applications
https://www.readbyqxmd.com/read/28480123/large-bowel-obstruction-in-the-emergency-department-imaging-spectrum-of-common-and-uncommon-causes
#8
REVIEW
Subramaniyan Ramanathan, Vijayanadh Ojili, Ravi Vassa, Arpit Nagar
Although large bowel obstruction (LBO) is less common than small bowel obstruction, it is associated with high morbidity and mortality due to delayed diagnosis and/or treatment. Plain radiographs are sufficient to diagnose LBO in a majority of patients. However, further evaluation with multidetector computed tomography (MDCT) has become the standard of care to identify the site, severity, and etiology of obstruction. In this comprehensive review, we illustrate the various causes of LBO emphasizing the role of MDCT in the initial diagnosis and detection of complications along with the tips to differentiate from disease which can mimic LBO...
2017: Journal of Clinical Imaging Science
https://www.readbyqxmd.com/read/28479784/cerebral-microbleeds-treatment-conundrum-in-acute-ischemic-stroke
#9
EDITORIAL
Ramnath Santosh Ramanathan
No abstract text is available yet for this article.
April 2017: Journal of Neurosciences in Rural Practice
https://www.readbyqxmd.com/read/28477056/discovery-of-potent-alk-inhibitors-using-pharmacophore-informatics-strategy
#10
Nivya James, K Ramanathan
Anaplastic lymphoma kinase is a tyrosine kinase receptor protein belonging to insulin receptor superfamily. Gene fusions in anaplastic lymphoma kinase are associated with non-small cell lung cancer development. Hence, they are of immense importance in targeted therapies. Thus, for the treatment of non-small cell lung cancer, effective anaplastic lymphoma kinase inhibitors are of great significance. Therefore, our objective is to find hit compounds that could have better inhibitory activity than the existing anaplastic lymphoma kinase inhibitors...
May 6, 2017: Cell Biochemistry and Biophysics
https://www.readbyqxmd.com/read/28476175/biochemical-and-proteomics-analyses-of-antioxidant-enzymes-reveal-the-potential-stress-tolerance-in-rhododendron-chrysanthum-pall
#11
Xiaofu Zhou, Silin Chen, Hui Wu, Yi Yang, Hongwei Xu
BACKGROUND: Rhododendron chrysanthum Pall., an endangered species with significant ornamental and medicinal value, is endemic to the Changbai Mountain of China and can also serve as a significant plant resource for investigating the stress tolerance in plants. Proteomics is an effective analytical tool that provides significant information about plant metabolism and gene expression. However, no proteomics data have been reported for R. chrysanthum previously. In alpine tundra, the abiotic stress will lead to a severe over-accumulation of reactive oxygen species (ROS)...
May 3, 2017: Biology Direct
https://www.readbyqxmd.com/read/28475904/perceived-mhealth-barriers-and-benefits-for-home-based-hiv-testing-and-counseling-and-other-care-qualitative-findings-from-health-officials-community-health-workers-and-persons-living-with-hiv-in-south-africa
#12
Alastair van Heerden, Danielle M Harris, Heidi van Rooyen, Ruanne V Barnabas, Nithya Ramanathan, Nkosinathi Ngcobo, Zukiswa Mpiyakhe, W Scott Comulada
mHealth has been proposed to address inefficiencies in the current South African healthcare system, including home-based HIV testing and counseling (HTC) programs. Yet wide-scale adoption of mHealth has not occurred. Even as infrastructure barriers decrease, a need to better understand perceived adoption barriers by stakeholders remains. We conducted focus group discussions (FGD) in South Africa in 2016 with 10 home-based HTC field staff, 12 community health workers (CHWs) and 10 persons living with HIV (PLH)...
June 2017: Social Science & Medicine
https://www.readbyqxmd.com/read/28473553/a-climate-policy-pathway-for-near-and-long-term-benefits
#13
D Shindell, N Borgford-Parnell, M Brauer, A Haines, J C I Kuylenstierna, S A Leonard, V Ramanathan, A Ravishankara, M Amann, L Srivastava
No abstract text is available yet for this article.
May 5, 2017: Science
https://www.readbyqxmd.com/read/28460645/statin-use-and-hip-fractures-in-u-s-kidney-transplant-recipients
#14
Chandan Vangala, Colin R Lenihan, Maria E Montez-Rath, Sumi Sukumaran Nair, Sankar D Navaneethan, Venkat Ramanathan, Wolfgang C Winkelmayer
BACKGROUND: Basic and translational research supports beneficial effects of statins on bone metabolism. Clinical studies suggest that statin use may reduce the risk of hip fractures in the general population. Whether statin use is associated with hip fracture risk in kidney transplant recipients, a particularly high-risk group for this outcome, is unknown. METHODS: From the U.S. Renal Data System (2007-2011), we identified all hip fracture events recorded in Medicare billing claims of first-time kidney transplant recipients...
May 1, 2017: BMC Nephrology
https://www.readbyqxmd.com/read/28457330/ileostomy-creation-in-colorectal-cancer-surgery-risk-of-acute-kidney-injury-and-chronic-kidney-disease
#15
Linda Li, Kelsey S Lau, Venkat Ramanathan, Sonia T Orcutt, Shubhada Sansgiry, Daniel Albo, David H Berger, Daniel A Anaya
BACKGROUND: Ileostomy creation is associated with postoperative dehydration and readmission; however, the effect on renal function is unknown. Our goal was to characterize the impact of ileostomy creation on acute and chronic renal function. MATERIALS AND METHODS: A retrospective cohort study with patients undergoing colorectal cancer surgery at a tertiary referral institution (2005-2011). The relationship between ileostomy creation and acute kidney injury (AKI)-related readmission, severe chronic kidney disease (CKD) at 12 mo (glomerular filtration rate <30 mL/min/1...
April 2017: Journal of Surgical Research
https://www.readbyqxmd.com/read/28455726/developmental-expression-of-claudins-in-the-mammary-gland
#16
Heidi K Baumgartner, Michael C Rudolph, Palaniappian Ramanathan, Valerie Burns, Patricia Webb, Benjamin G Bitler, Torsten Stein, Ken Kobayashi, Margaret C Neville
Claudins are a large family of membrane proteins whose classic function is to regulate the permeability of tight junctions in epithelia. They are tetraspanins, with four alpha-helices crossing the membrane, two extracellular loops, a short cytoplasmic N-terminus and a longer and more variable C-terminus. The extracellular ends of the helices are known to undergo side-to-side (cis) interactions that allow the formation of claudin polymers in the plane of the membrane. The extracellular loops also engage in head-to-head (trans) interactions thought to mediate the formation of tight junctions...
April 28, 2017: Journal of Mammary Gland Biology and Neoplasia
https://www.readbyqxmd.com/read/28455177/temporal-relations-of-unplanned-readmissions-following-total-knee-arthroplasty-a-study-of-large-state-inpatient-databases
#17
Jared Braud, Deepak Ramanathan, Alison Klika, Suparna Navale, Carlos Higuera, Robert Molloy
BACKGROUND: Centers for Medicare & Medicaid Services stipulate a 90-day global period for hospitals for unplanned readmissions after primary total knee arthroplasty (TKA). However, not all readmissions are directly attributable to index surgery, and reasons for readmissions vary during this time period. This study identifies causes and temporal relations of readmissions using large state inpatient databases. METHODS: State inpatient databases of New York and California were queried for all primary TKAs performed from 2005 to 2011 and frequencies of all causes of unplanned readmission were identified from 0 to 90 days after index surgery using the International Classification of Diseases, Ninth Revision, codes...
March 23, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/28448794/principles-of-systems-biology-no-16
#18
(no author information available yet)
This month: how T cells signal in binary (Vale), advances in interaction mapping (Greenleaf/Sabatini/Ahroni/Bodenmiller), single-cell RNA-seq (Suvà/Ramanathan/Marioni), and more (Hilvert/Wong/Chisholm).
April 26, 2017: Cell Systems
https://www.readbyqxmd.com/read/28448625/structural-and-functional-studies-of-ferredoxin-and-oxygenase-components-of-3-nitrotoluene-dioxygenase-from-diaphorobacter-sp-strain-ds2
#19
Archana Kumari, Deepak Singh, S Ramaswamy, Gurunath Ramanathan
3-nitrotoluene dioxygenase (3NTDO) from Diaphorobacter sp. strain DS2 catalyses the conversion of 3-nitrotoluene (3NT) into a mixture of 3- and 4-methylcatechols with release of nitrite. We report here, X-ray crystal structures of oxygenase and ferredoxin components of 3NTDO at 2.9 Å and 2.4 Å, respectively. The residues responsible for nitrite release in 3NTDO were further probed by four single and two double mutations in the catalytic site of α-subunit of the dioxygenase. Modification of Val 350 to Phe, Ile 204 to Ala, and Asn258 to Val by site directed mutagenesis resulted in inactive enzymes revealing the importance of these residues in catalysis...
2017: PloS One
https://www.readbyqxmd.com/read/28445901/comparative-pharmacokinetics-of-cholecalciferol-in-dogs-from-2-different-oral-formulations-using-corrective-measures-to-overcome-interference-from-endogenous-cholecalciferol
#20
Harilal Patel, Prakash Patel, Chandrakant Bhatt, Ashok Ghoghari, Urvesh Patel, Mukesh Ukawalal, Shafiq Sheikh, Vikram Ramanathan, Nuggehally R Srinivas
The aim of the preclinical investigation was to obtain single dose pharmacokinetics in dogs from 2 different oral cholecalciferol formulations using corrective measures to overcome the interference of endogenous cholecalciferol. 6 dogs were fasted overnight and the following day received 60 000 IU dose cholecalciferol [reference, Eris(®), vs. test, Sunbless(®)] by oral dosing. Blood samples were collected on day 0 (baseline establishment) and after dosing on day 1 up to 28 days. The serum samples were extracted using protein precipitation/solid phase extraction and analysed to determine cholecalciferol by LC-MS/MS assay with calibrators prepared from cholecalciferol free serum...
April 26, 2017: Drug Research
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