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https://www.readbyqxmd.com/read/29341542/intrinsic-fluorescence-for-cervical-precancer-detection-using-polarized-light-based-in-house-fabricated-portable-device
#1
Bharat Lal Meena, Pankaj Singh, Amar Nath Sah, Kiran Pandey, Asha Agarwal, Chayanika Pantola, Asima Pradhan
An in-house fabricated portable device has been tested to detect cervical precancer through the intrinsic fluorescence from human cervix of the whole uterus in a clinical setting. A previously validated technique based on simultaneously acquired polarized fluorescence and polarized elastic scattering spectra from a turbid medium is used to extract the intrinsic fluorescence. Using a diode laser at 405 nm, intrinsic fluorescence of flavin adenine dinucleotide, which is the dominant fluorophore and other contributing fluorophores in the epithelium of cervical tissue, has been extracted...
January 2018: Journal of Biomedical Optics
https://www.readbyqxmd.com/read/29341449/digging-deeper-a-holistic-perspective-of-factors-affecting-soil-organic-carbon-sequestration-in-agroecosystems
#2
Rattan Lal
The global magnitude (Pg) of soil organic carbon (SOC) is 677 to 0.3-m, 993 to 0.5-m, and 1505 to 1-m depth. Thus, ~55% of SOC to 1-m lies below 0.3-m depth. Soils of agroecosystems are depleted of their SOC stock and have a low use efficiency of inputs of agronomic yield. This review is a collation and synthesis of articles published in peer-reviewed journals. The rates of SOC sequestration are scaled up to the global level by linear extrapolation. Soil C sink capacity depends on depth, clay content and mineralogy, plant available water holding capacity, nutrient reserves, landscape position, and the antecedent SOC stock...
January 17, 2018: Global Change Biology
https://www.readbyqxmd.com/read/29339963/infiltrative-optic-neuropathies-opening-doors-to-sinister-pathologies
#3
Aastha Takkar, Darakshan Naheed, Mohit Dogra, Manoj K Goyal, Ramandeep Singh, Nalini Gupta, Kirti Gupta, B R Mittal, Vivek Lal
Optic disc edema may be caused by a number of conditions. A commonly ignored but important aspect is the presence of "infiltration" of disc; that may closely mimic disc edema. Disc edema, optic nerve dysfunction and a normal appearing disc in any combination may occur in infiltrative optic neuropathies. Identifying disc infiltration can aid in diagnosis of many sinister pathologies even in the absence of other specific clinical features. We describe two patients presenting with optic nerve dysfunction and infiltrated disc appearance, which on investigations were found to have underlying malignancies thereby underscoring the importance of detecting infiltrative optic neurpathies...
October 2017: Neuro-ophthalmology
https://www.readbyqxmd.com/read/29339442/specific-substrate-for-the-assay-of-lysosomal-acid-lipase
#4
Sophia Masi, Naveen Chennamaneni, Frantisek Turecek, C Ronald Scott, Michael H Gelb
BACKGROUND: Deficiency of lysosomal acid lipase (LAL) causes Wolman disease and cholesterol ester storage disease. With the recent introduction of enzyme replacement therapy to manage LAL deficiency comes the need for a reliable assay of LAL enzymatic activity that can be applied to dried blood spots (DBS). METHODS: We prepared and tested a library of analogs of palmitoyl 4-methylumbelifferyl esters to find a highly active and specific substrate for LAL in DBS. The LAL assay was optimized leading to both LC-MS/MS and fluorometric assay of LAL...
January 16, 2018: Clinical Chemistry
https://www.readbyqxmd.com/read/29337289/antioxidant-activity-of-hydrated-carboxylated-nanodiamonds-and-its-influence-on-water-%C3%AE-radiolysis
#5
Karla Santacruz-Gomez, Andrei Sarabia-Sainz, Monica Acosta-Elias, Manuel Sarabia-Sainz, Woraphong Janetanakit, Nathan Khosla, Rodrigo Melendrez, Martin Pedroza-Montero, Ratnesh Lal
Water radiolysis involves the chemical decomposition of the water molecule into free radicals after the exposure with ionizing radiation. These free radicals have deleterious effects on normal cell physiology. Carboxylated nanodiamonds (cNDs) appear to modulate the deleterious effects of γ-irradiation on red blood cells (RBCs) pathophysiology. In the present work, the antioxidant activity of hydrated-cNDs (h-cNDs) on limiting the oxidative damage (water radiolysis effect) by γ-irradiation was confirmed. Our results show that h-cNDs has remarkable free radicals scavenging ability and preserves the catalase enzymatic activity after γ-irradiation...
January 16, 2018: Nanotechnology
https://www.readbyqxmd.com/read/29336292/use-of-intraoperative-negative-margins-reduces-inverted-papilloma-recurrence
#6
Amar Miglani, Joseph M Hoxworth, Matthew A Zarka, Devyani Lal
BACKGROUND: Recurrence of inverted papilloma (IP) is a problem in 12-17% of tumors. Controversy exists regarding benefits of intraoperative frozen section histopathology (IFSH) for IP resection; however, to our knowledge, no study has specifically investigated this. IFSH for IP resection is the standard of care in our practice. We, therefore, reviewed our outcomes of using IFSH for IP resection. A secondary goal was to assess the reliability of IFSH. METHODS: Patients with IP who underwent surgical resection (2010-2016) with minimum 9-month follow-up were included...
January 1, 2018: American Journal of Rhinology & Allergy
https://www.readbyqxmd.com/read/29332587/lysosomal-acid-lipase-deficiency-could-dyslipidemia-drive-the-diagnosis
#7
Ornella Guardamagna
LAL-deficiency (LAL-D) is a rare and systemic condition, secondary to LIPA gene mutations, responsible for lysosomal accumulation of cholesteryl esters and triglycerides, whose manifestations are very heterogeneous in terms of age of onset, severity and type of clinical and radiological manifestations. Dyslipidemia, hepatomegaly and hepatosteatosis with increased levels of transaminases are the most common features. The increased risk of premature atherosclerosis and cardiovascular disorders,, secondary to a generalized alteration of lipid profile and lipoprotein dysfunction associated with LAL-D, has been increasingly pointed out...
January 11, 2018: Current Pediatric Reviews
https://www.readbyqxmd.com/read/29331722/effect-of-vitamin-d-supplementation-on-serum-sclerostin-levels-in-chronic-kidney-disease
#8
REVIEW
Ashok Kumar Yadav, Vivek Kumar, Debasish Banerjee, Krishan Lal Gupta, Vivekanand Jha
Vitamin D deficiency, cardiovascular disease and abnormal bone mineral metabolism are common in chronic kidney disease (CKD). Abnormal bone mineral metabolism has been linked to vascular calcification in CKD. Sclerostin has emerged as an important messenger in cross talk between bone-vascular axis. We analyzed sclerostin in subjects who participated in the randomized, double blind, placebo controlled trial investigating the effect of cholecalciferol supplementation on vascular function in non-diabetic CKD stage G3-4 and vitamin D ≤20ng/ml [CTRI/2013/05/003648]...
January 10, 2018: Journal of Steroid Biochemistry and Molecular Biology
https://www.readbyqxmd.com/read/29331565/saroglitazar-reduces-obesity-and-associated-inflammatory-consequences-in-murine-adipose-tissue
#9
Durgesh Kumar, Umesh Kumar Goand, Sanchita Gupta, Kripa Shankar, Salil Varshney, Sujith Rajan, Ankita Srivastava, Abhishek Gupta, Achchhe Lal Vishwakarma, Anurag Kumar Srivastava, Anil N Gaikwad
Prevailing knowledge links chronic low-grade inflammation in the adipose tissue to obesity and its associated metabolic complications. In this study, we evaluated immunometabolic effects of a recently launched dual peroxisome proliferator-activated receptor (PPAR) α & γ agonist 'Saroglitazar' in a mouse model of diet-induced obesity (DIO). Body composition analysis revealed that saroglitazar treatment promoted hepatic weight gain, while attenuated epididymal white adipose tissue (eWAT) mass in DIO. In the eWAT of saroglitazar treated mice, histological analysis showed reduced adipocyte hypertrophy and matrix deposition (picrosirius red staining)...
January 10, 2018: European Journal of Pharmacology
https://www.readbyqxmd.com/read/29329768/management-of-pediatric-ovarian-torsion-evidence-of-follicular-development-after-ovarian-preservation
#10
Sarah K Walker, Dave R Lal, Kevin P Boyd, Thomas T Sato
PURPOSE: This study reviews contemporary management and follow-up of pediatric ovarian torsion. METHODS: This is a retrospective series of patients from birth to 19 years undergoing operative management of ovarian torsion from 2012 to 2016. RESULTS: We studied 43 girls who underwent 51 operations for ovarian torsion. The median age was 8.3 years. Ultrasound was utilized for diagnosis in 24/29 patients (83%) evaluated in a children's hospital...
January 9, 2018: Surgery
https://www.readbyqxmd.com/read/29327518/a-study-of-cardiovascular-abnormalities-in-hiv-positive-patients-in-a-tertiary-care-hospital-in-northern-india
#11
Shyam Chaudhary, Apurva, Kamal Kumar Sawlani, D Himanshu Reddy, Sharad Chandra Yadav, Munna Lal Patel, Anil Kumar Tripathi, Arvind Kumar Vaish
Introduction: Cardiovascular illness is common in patients with HIV infection, particularly in the later course of disease. Cardiovascular abnormalities in people living with HIV disease (PLHIV) often go unrecognized or untreated resulting in increased cardiovascular related morbidity and mortality and reduced quality of life. The prevalence of cardiac involvement in PLHIV has been reported to range between 28 to 73%. However, the incidence of symptomatic heart failure in HIV positive patients is 8-10%...
December 2017: Journal of the Association of Physicians of India
https://www.readbyqxmd.com/read/29325220/profile-risk-factors-and-outcome-of-acute-kidney-injury-in-pediatric-acute-on-chronic-liver-failure
#12
Bikrant Bihari Lal, Seema Alam, Vikrant Sood, Dinesh Rawat, Rajeev Khanna
There are no studies on acute kidney injury (AKI) in pediatric acute-on-chronic liver failure (ACLF). This study was planned with aim to describe the clinical presentation and outcome of AKI among pediatric ACLF patients METHODS: Data of all children 1-18 years of age presenting with ACLF (APASL definition) was reviewed. AKI was defined as per KDIGO guidelines. Poor outcome was defined as death or need for liver transplant within 3 months of development of AKI RESULTS: A total of 84 children with ACLF presented to us in the study period...
January 11, 2018: Liver International: Official Journal of the International Association for the Study of the Liver
https://www.readbyqxmd.com/read/29323760/donor-cd163-and-nestin-positive-cells-predict-graft-function-in-living-donor-liver-transplant
#13
Neha Nigam, Chhagan Bihari, Deepika Lal, Archana Rastogi, Senthil Kumar, Viniyendra Pamecha, Savneet Kaur, Anupam Kumar, Shiv K Sarin
AIMS: To evaluate the effect of donor liver resident mesenchymal cells, M2 macrophages on liver graft outcome after living donor liver transplantation. MATERIALS AND METHODS: 70 donor biopsies were included in the study. Outcomes at day 3, 7, 30 and 180 post liver transplantation were assessed. Mesenchymal stem cells and M2 macrophages in donor liver biopsies were evaluated. RESULTS: Mean age of recipients was 40.9 ± 13.6 years. Sex mismatched transplants were 44 (M→F=9; F→M=35)...
January 11, 2018: Clinical Transplantation
https://www.readbyqxmd.com/read/29323288/impacts-of-simulated-erosion-and-soil-amendments-on-greenhouse-gas-fluxes-and-maize-yield-in-miamian-soil-of-central-ohio
#14
Yanru Liang, Rattan Lal, Shengli Guo, Ruiqiang Liu, Yaxian Hu
Erosion-induced topsoil loss is a threat to sustainable productivity. Topsoil removal from, or added to, the existing surface is an efficient technique to simulate on-site soil erosion and deposition. A 15-year simulated erosion was conducted at Waterman Farm of Ohio State University to assess impacts of topsoil depth on greenhouse gas (GHG) emissions and maize yield. Three topsoil treatments were investigated: 20 cm topsoil removal, 20 cm topsoil addition, and undisturbed control. Results show that the average global warming potential (GWP) (Mg CO2 Eq ha-1 growing season-1) from the topsoil removal plot (18...
January 11, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29322985/pgimer-chandigarh-a-temple-of-holistic-neurology
#15
Vivek Lal, Manoj K Goyal
History helps us to become better students, judge wisely, understand change, and most importantly, it tells us who we are. It helps us to understand what happened, why it happened and what its ramifications are. Winston Churchill once said: "Study history, study history. In history lie all the secrets of statecraft." Here, we take this opportunity to pay our gratitude to our esteemed teachers who worked relentlessly for uplifting of the department of Neurology, PGIMER, Chandigarh; and, narrate chronicles of all those people who made this department reach the heights where it stands today...
January 2018: Neurology India
https://www.readbyqxmd.com/read/29322681/gut-microbiome-contributes-to-impairment-of-immunity-in-pulmonary-tuberculosis-patients-by-alteration-of-butyrate-and-propionate-producers
#16
Abhijit Maji, Richa Misra, Darshan B Dhakan, Vipin Gupta, Nitish K Mahato, Rituja Saxena, Parul Mittal, Nitin Thukral, Eshan Sharma, Anoop Singh, Richa Virmani, Mohita Gaur, Harshvardhan Singh, Yasha Hasija, Gunjan Arora, Anurag Agrawal, Anil Chaudhry, Jitendra P Khurana, Vineet K Sharma, Rup Lal, Yogendra Singh
Tuberculosis (TB) is primarily associated with decline in immune health status. As gut microbiome (GM) is implicated in the regulation of host immunity and metabolism, here we investigate GM alteration in TB patients by 16S rRNA gene and whole-genome shotgun sequencing. The study group constituted of patients with pulmonary TB and their healthy household contacts as controls (HCs). Significant alteration of microbial taxonomic and functional capacity was observed in patients with active TB as compared to the HCs...
January 2018: Environmental Microbiology
https://www.readbyqxmd.com/read/29321967/teratoma-as-unusual-cause-of-chest-pain-hemoptysis-and-dyspnea-in-a-young-patient
#17
Irena Hammen, Achhe Lal Yadav
A 16-year-old girl presented with intermittent left chest pain and breathlessness on exertion for last 4 months with one episode of haemoptysis. There has been loss of appetite and weight loss of 4 kg over a period of 1 month. A chest radiograph revealed a large mass like opacity with pleural effusion in the left lung field. Computerized Tomography scanning (CT scanning) and Positron Emission Tomography/Computerized Tomography scanning (PET/CT scanning) demonstrated a 7 cm round, cystic lesion in the anterior mediastinum...
2018: Respiratory Medicine Case Reports
https://www.readbyqxmd.com/read/29318526/evaluation-of-the-protection-provided-by-hepatitis-b-vaccination-in-india
#18
Jacob Puliyel, Pathik Naik, Ashish Puliyel, Kishore Agarwal, Vandana Lal, Nimmi Kansal, Devki Nandan, Vikas Tripathi, Prashant Tyagi, Saroj K Singh, Rajeev Srivastava, Utkarsh Sharma, V Sreenivas
OBJECTIVE: In India, Hepatitis B vaccination is recommended at 6 wk except for hospital-deliveries. The authors examined protection afforded by the birth dose. METHODS: A case-control study was done. HBsAg and HBcAb were tested in 2671 children, 1 to 5 y and HBsAb was evaluated in a subset of 1413 children. Vaccination history was recorded. Cases were HBsAg carriers. In another analysis, children who got infected (HBsAg and/or HBcAb positive) were considered as cases...
January 10, 2018: Indian Journal of Pediatrics
https://www.readbyqxmd.com/read/29317743/genome-wide-comparisons-reveal-evidence-for-a-species-complex-in-the-black-lip-pearl-oyster-pinctada-margaritifera-bivalvia-pteriidae
#19
Monal M Lal, Paul C Southgate, Dean R Jerry, Kyall R Zenger
Evolutionary relationships in the black-lip pearl oyster Pinctada margaritifera which is highly valued for pearl production remain poorly understood. This species possesses an 18,000 km Indo-Pacific natural distribution, and its current description includes six subspecies defined exclusively on morphological characters. To evaluate its taxonomic identity using molecular data, 14 populations in both the Indian and Pacific Oceans (n = 69), and the congeneric taxa P. maxima and P. mazatlanica (n = 29 and n = 10, respectively) were sampled...
January 9, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29313735/viral-capsid-assembly-a-quantified-uncertainty-approach
#20
Nathan Clement, Muhibur Rasheed, Chandrajit Lal Bajaj
Most of the existing research in assembly pathway prediction/analysis of viral capsids makes the simplifying assumption that the configuration of the intermediate states can be extracted directly from the final configuration of the entire capsid. This assumption does not take into account the conformational changes of the constituent proteins as well as minor changes to the binding interfaces that continue throughout the assembly process until stabilization. This article presents a statistical-ensemble-based approach that samples the configurational space for each monomer with the relative local orientation between monomers, to capture the uncertainties in binding and conformations...
January 2018: Journal of Computational Biology: a Journal of Computational Molecular Cell Biology
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