Publications by authors named "Ab Ndiaye"

In cells, multiple actin networks coexist in a dynamic manner. These networks compete for a common pool of actin monomers and actin-binding proteins. Interestingly, all of these networks manage to coexist despite the strong competition for resources.

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Objective: To determine how neonatal growth velocity affects the association between birth weight and neurodevelopmental outcomes in infants born preterm.

Study Design: This study is a secondary analysis of the Maternal Omega-3 Supplementation to Reduce Bronchopulmonary Dysplasia in Very Preterm Infants (MOBYDIck) randomized multicenter trial conducted in breastfed infants born at <29 weeks of gestation, whose mothers were supplemented with docosahexaenoic acid or placebo during the neonatal period. Neurodevelopmental outcomes were assessed at 18-22 months of corrected age using the Bayley-III cognitive and language composite scores.

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Article Synopsis
  • The orientation of a cell's mitotic spindle during division is crucial for cell fate, tissue shape, and architecture, with divisions parallel to the epithelial plane supporting tissue growth, while perpendicular divisions may lead to stratification and potential metastasis.
  • Although the molecular mechanisms regulating spindle orientation are well-understood, the impact of mechanical factors like tissue tension on this process is less explored, despite epithelia being subject to mechanical stress.
  • Experimental findings indicate that reducing tissue tension leads to more divisions that are not aligned with the epithelial plane, whereas increasing tension helps restore proper division orientation, suggesting that proper spindle alignment requires a certain level of tension at the junctions between cells.
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Candida albicans is an opportunistic human fungal pathogen that causes invasive infections in immunocompromised individuals. Despite the high anticandidal activity among the echinocandins (ECNs), a first-line therapy, resistance remains an issue. Furthermore, many clinical isolates display decreased ECN susceptibility, a physiological state which is thought to lead to resistance.

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In Africa, despite their economic and ecological importance, termites are still relatively unknown. Their systematic remains uncertain, the approximate number of species for many biogeographic areas is underestimated, and there is still confusion in the identification of the species for many genera. This study combined morphological traits with morphometric measurements to determine several species collected in Togo and provided head illustrations of soldiers.

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Article Synopsis
  • The study aimed to investigate if maternal high-dose DHA supplementation improved neurodevelopment in very preterm neonates at 18 to 22 months corrected age.
  • A randomized, double-blind, placebo-controlled trial was conducted with lactating mothers of preterm neonates, comparing outcomes for children whose mothers took DHA-rich algae oil and those on a placebo.
  • Results showed no overall improvement in cognitive, language, or motor scores between the two groups, but a notable benefit in language scores for neonates born before 27 weeks’ gestation who received DHA.
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The mammalian cytoskeleton forms a mechanical continuum that spans across the cell, connecting the cell surface to the nucleus transmembrane protein complexes in the plasma and nuclear membranes. It transmits extracellular forces to the cell interior, providing mechanical cues that influence cellular decisions, but also actively generates intracellular forces, enabling the cell to probe and remodel its tissue microenvironment. Cells adapt their gene expression profile and morphology to external cues provided by the matrix and adjacent cells as well as to cell-intrinsic changes in cytoplasmic and nuclear volume.

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Introduction: The aim of the study was to determine the effect of a maternal docosahexaenoic acid (DHA) supplementation during lactation, compared with a placebo, on the neonatal growth profile of breastfed very preterm infants.

Methods: Preterm infants' growth profile, growth velocity from birth to 36 weeks' postmenstrual age (PMA), and growth at 36 weeks' PMA were pre-specified secondary outcomes of a randomized placebo-controlled trial conducted in 16 Canadian neonatal intensive care units (2015-2018). Lactating mothers who delivered before 29 weeks' gestation were given 1.

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Article Synopsis
  • - The study evaluated the impact of SMOFlipid 20%, a DHA-containing lipid emulsion, on the survival rates without bronchopulmonary dysplasia (BPD) in very preterm infants at 36 weeks' postmenstrual age, using data from the MOBYDIck clinical trial conducted in Canadian NICUs from 2015 to 2018.
  • - Out of 528 infants assessed, 272 received the SMOF-LE; results showed similar rates of BPD-free survival between the SMOF-LE group (56.7%) and the non-SMOF-LE group (59.7%), with no significant differences in BPD or severe BPD rates and mortality.
  • - The conclusion drawn
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From 28 October to 5 November 2013, a termite study was undertaken in 3 protected sites in The Gambia (West Africa). The aim of the study is to investigate the diversity of termites in three protected areas in the western region of the country. Termite sampling is carried out in 100 m × 2 m transects that are replicated three (3) times in each site.

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Termites are important ecosystem engineers. Yet they are often difficult to identify due to the lack of reliable species-specific morphological traits for many species, which hampers ecological research. Recently, termitologists working with West African termites (West African Termite Taxonomy Initiative) convened for a workshop with the aim of beginning to address this problem.

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Aims: Due to the severity of colonic injuries and their frequency on the left side, we study relationships between the left kidney and the descending colon to identify subjects at risk of colonic perforation during percutaneous surgery of the left kidney.

Material And Methods: Over a period of 3 years we exploited abdominal CT scans for 1084 patients in both sexes without any visceral or parietal lesions. We studied the situation and relationships of the lumbar part of the descending colon in the left pararenal space using a conventional grid technique.

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The arch of the great saphenous vein cross receives numerous tributaries from the abdominal wall, male external genitalia and pelvic limbs. These collaterals present many variations relating to their number and mode of anastomosis. Their misappreciation may lead to post operative recurrences after surgical treatment of varices.

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Our study justified by the frequency of acute appendicitis and the possibility of anatomic variations of the caecoappendicular area attempt to index the topographic variations of the vermiform appendix (v.a.).

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Sickle cell disease is an hereditary hemoglobinopathy syndrome which provokes deglobulization crisis and infectious complications. These infectious diseases may be due to a permanent activation of the immune system. The aim of our study was to explore alternative pathway by measuring C3 complement and the classical pathway by C4 complement.

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We have observed in our study that antithrombin III activity decreases very significatively in eclampsia (p < 0.0001). A level of 90% was defined as a threshold.

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During the study in the anti-salt dam area in Bignona, we noted that malaria was mesoendemic (IP = 45.2%), with a high transmission during the rainy season. Prevalence rate of schistosomiasis was low.

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In the course of Onchocerca volvulus infection in subjects with from light to heavy microfilarial count in skin snips occurred important alterations concerning both humoral and cell-mediated immunity. Serum examination for immunoglobulins showed high synthesis of IgG, IgM and IgE. The level of IgM was found to be correlated to the intensity of the infection, an important reduction of T4 cells was observed and is associated with hyporeactivity to in vitro stimulation to phytohemagglutinin A (PHA).

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The distribution of T-cell subsets in acute and cerebral malaria have been studied using two monoclonal antibodies. In the course of the disease both in acute and cerebral malaria in persons living in senegalese hypoendemic area occurred important alterations of circulating T-cell subsets. A significant loss of OKT4 positive cells is observed; OKT8 positive lymphocytes are also affected but to a lesser extent.

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