138 research outputs found

    Differential expression of collectins in human placenta and role in inflammation during spontaneous Labor.

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    © 2014 Yadav et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.Collectins, collagen-containing Ca2+ dependent C-type lectins and a class of secretory proteins including SP-A, SP-D and MBL, are integral to immunomodulation and innate immune defense. In the present study, we aimed to investigate their placental transcript synthesis, labor associated differential expression and localization at feto-maternal interface, and their functional implication in spontaneous labor. The study involved using feto-maternal interface (placental/decidual tissues) from two groups of healthy pregnant women at term (≥37 weeks of gestation), undergoing either elective C-section with no labor ('NLc' group, n = 5), or normal vaginal delivery with spontaneous labor ('SLv' group, n = 5). The immune function of SP-D, on term placental explants, was analyzed for cytokine profile using multiplexed cytokine array. SP-A, SP-D and MBL transcripts were observed in the term placenta. The 'SLv' group showed significant up-regulation of SP-D (p = 0.001), and down-regulation of SP-A (p = 0.005), transcripts and protein compared to the 'NLc' group. Significant increase in 43 kDa and 50 kDa SP-D forms in placental and decidual tissues was associated with the spontaneous labor (p<0.05). In addition, the MMP-9-cleaved form of SP-D (25 kDa) was significantly higher in the placentae of 'SLv' group compared to the 'NLc' group (p = 0.002). Labor associated cytokines IL-1α, IL-1β, IL-6, IL-8, IL-10, TNF-α and MCP-1 showed significant increase (p<0.05) in a dose dependent manner in the placental explants treated with nSP-D and rhSP-D. In conclusion, the study emphasizes that SP-A and SP-D proteins associate with the spontaneous labor and SP-D plausibly contributes to the pro-inflammatory immune milieu of feto-maternal tissues.Funding provided by BT/PR15227/BRB/10/906/2011) Department of Biotechnology (DBT), Government of India http://dbtindia.nic.in/index.asp (TM) and Indian Council of Medical Research (ICMR) Junior Research Fellowship (JRF)/Senior Research Fellowship (SRF), Government of India, www.icmr.nic.in (AKY)

    A922 Sequential measurement of 1 hour creatinine clearance (1-CRCL) in critically ill patients at risk of acute kidney injury (AKI)

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    Osmo-air drying of aloe vera gel cubes

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    Aloe vera (Aloe barbadensis Miller) cubes of 12.5 × 12.5 × 12.5 mm thick were osmosed for 4 h in sugar syrup of 30, 40 and 50°Brix concentration and temperatures of 30 and 50°C at constant syrup to fruit ratio of 5:1. Osmosed and unosmosed aloe vera samples were hot air dried at 50, 60, 70 and 80°C with constant air velocity of 1.5 m/s. The water loss, solid gain and convective drying behaviour were recorded during experiments. It was observed that water loss and solid gain ranged from 39.2 to 71.3 and 2.7 to 6.3%, respectively during osmo-drying. The moisture diffusivity varied from 2.9 to 8.0 × 10−9 m²/s and 2.7 to 4.6 × 10−9 m²/s during air drying of osmosed and unosmosed aloe vera samples, respectively. Drying air temperature and osmosis as pre-treatment affected the water loss, solid gain, diffusivity at −p ≤ 0.0

    Desenvolvimento cognitivo de prematuros à idade escolar: proposta de modelo hierarquizado para investigação dos fatores de risco

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    O déficit cognitivo é a sequela do neurodesenvolvimento mais prevalente na população de prematuros de muito baixo peso. Poucos são os trabalhos nacionais sobre o desenvolvimento desta população na idade escolar. Este estudo propõe uma discussão teórica sobre os fatores determinantes do desenvolvimento cognitivo na idade escolar de prematuros de muito baixo peso ao nascer, utilizando o modelo hierarquizado de análise. Neste modelo, fatores biológicos e ambientais se relacionariam em diversos níveis: distal, intermediário e proximal, resultando em alterações no desenvolvimento cognitivo. Pretende-se, desta forma, aprofundar a questão das mediações possíveis das variáveis e suas inter-relações e consequentes eventos que podem levar ao desfecho. Para a seleção dos fatores de risco foi realizada uma revisão da literatura sobre fatores associados a resultados cognitivos desfavoráveis. Pressupõe-se que o melhor conhecimento das inter-relações destes fatores auxiliaria na prevenção e intervenção mais adequada nesta população, aumentando suas chances de inclusão escolar e social.Cognitive impairment is a neurodevelopmental sequela that is more prevalent in very low birth weight (VLBW) premature children. There are few Brazilian studies on this group's cognitive development at school age. The current study proposes a theoretical discussion on the determinants of cognitive development at school age in VLBW preterm children, using a hierarchical analytical model. According to this model, biological and environmental factors interrelate on several levels (distal, intermediate, and proximal), resulting in changes in cognitive development. The aim is to investigate the possible mediation of variables and their interrelationships and the resulting events that could lead to cognitive impairment as the outcome. Selection of risk factors was based on a literature review of factors associated with adverse cognitive outcomes. Better understanding of the interrelationships between these factors could lead to more appropriate prevention and intervention in this group, thereby increasing their chances of educational and social inclusion

    Assessing the fusion of the ischiopubic synchondrosis using predictive modeling

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    Flaring of the ischiopubic synchondrosis at the time of fusion is a common clinical observation in pediatrics and represents a normal physiological process in skeletal maturation. When presenting unilaterally, this flaring can mimic a range of serious pathological conditions such as osteomyelitis, osteal tumors, and traumatic injury. An improved understanding of ischiopubic synchondrosis fusion is therefore critical to avoid potential misdiagnosis. Retrospective multi-slice computed tomography pelvic scans of Australian individuals aged neonate to 24 years (n = 184) were assessed using a novel five stage morphological classification system of the maturation and fusion of the ischiopubic synchondrosis. Maturation scoring was conducted using both multiplanar formatting views and volume-rendered reconstructions in OsiriX™. Maturational stage was strongly related to age (P < 0.001) with fusion of the ischiopubic synchondrosis observed between the ages of 4 and 9 years in females and 7 and 13 years for males. The highest probability of fusion in our Queensland Australian population based on multinomial regression predictive modeling was between 7 and 10 years of age. We documented three variants of fusion: pubic and ischial outgrowths, appearance of a secondary ossification center, and a fusiform-shaped enlargement. This study provides the first predictive modeling of the timing of fusion of the ischiopubic synchondrosis using a reliable morphological classification system. The significant variation in timing and progression of fusion of the ischiopubic synchondrosis reported in this study, will aid in minimizing misdiagnosis and unnecessary treatment in children presenting with asymmetrical or delayed ischiopubic synchondrosis anomalies. Clin. Anat. 32:851–859, 2019

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    Not AvailableThe giant river-catfish Sperata seenghala is one of the commercially important freshwatercatfishes of India with wide distribution in all major rivers and reservoirs. This fish has huge demand indomestic market due to high nutritional value and low number of intramuscular bones. Conversely, theculture practices for this fish have not yet been standardized and capture fisheries is the only source to meetthe demand. This may lead to over exploitation of resources and subsequent population reduction.Knowledge on genetic structure of populations is prerequisite to formulate sustainable management andconservation measures. In the present study, 15 microsatellites were used to characterize populationgenetics of S. seenghala collected from river Brahmaputra, Ganga, Godavari, Mahanadi and Narmada.Locus-wise, the number of alleles varied from 8 to 19 with an average of 12 alleles per locus. The meanobserved and expected heterozygosity values varied from 0.622 to 0.699 and 0.733 to 0.774, respectively.Several loci have shown deviation from Hardy–Weinberg equilibrium and no significant linkagedisequilibrium between pairs of loci was detected. Pair-wise FSTvalues between populations ranged from0.135 (Brahmaputra–Ganga) to 0.173 (Brahmaputra–Narmada) and confirmed the moderate to highgenetic differentiation among the populations. AMOVA, Structure and Principal Co-ordinate analysesshowed significant genetic differentiation among the sampled populations of S. seenghala. A total of65 private alleles were recorded across populations. This study confirmed the distinctiveness of eachpopulation of S. seenghala from five major rivers of India. These populations could be treated as distinctmanagement units (MUs) for assessment and management purpose.Not Availabl
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