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Cieślak, Dorota; Pawlak, Piotr; Warzych-Plejer, Ewelina; Fakruzzaman, Md., 2026, "Microscopic images of bovine oocytes after in vitro maturation (IVM), fluorescently stained with H2DCFDA dye (green; ROS) and CellTracker Blue dye (blue; GSH)", https://doi.org/10.18150/FISZHF, RepOD, V1
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[ENG:]
The dataset contains microscopy images of bovine oocytes after in vitro maturation (IVM), acquired under control and experimental conditions. Oocytes were matured in control medium (CON), in medium supplemented with DMSO, and in medium supplemented with a mixture of n-6 linoleic acid (LA) and n-3 α-linolenic acid (ALA) at a 3:1 ratio (75 µM : 25 µM). After IVM, cumulus cells were removed, and the oocytes were subjected to live-cell fluorescence staining using two dyes: H2DCFDA, used to detect reactive oxygen species (ROS; green signal), and Cell Tracker Blue, used to assess glutathione levels (GSH; blue signal).
Microscopy images were acquired in .zvi format using an Axiovert 200 epifluorescence microscope (Zeiss). Fluorescence intensity, expressed as integrated density (IntDen), was measured for both dyes using the freely available ImageJ software.
The collection includes three folders containing microscopic images of bovine oocytes from three experimental groups analyzed for reactive oxygen species (ROS) and glutathione (GSH) levels. The groups were: “bovine oocyte ROS+GSH C4 IVM CONTROL” (5 group images), “bovine oocyte ROS+GSH C1 IVM+DMSO” (11 group images), and “bovine oocyte ROS+GSH E1 IVM+FA” (10 group images). The images were used to assess intracellular ROS and GSH levels in the oocytes.
[PL:]
Zbiór zawiera zdjęcia mikroskopowe oocytów bydła po dojrzewaniu in vitro (IVM), wykonane w warunkach kontrolnych oraz doświadczalnych. Oocyty dojrzewały w medium kontrolnym (CON), w medium z dodatkiem DMSO oraz w medium suplementowanym mieszaniną kwasów tłuszczowych n-6 LA/n-3 ALA w stosunku 3:1 (75 µM : 25 µM). Po zakończeniu IVM usunięto komórki pęcherzykowe, a oocyty poddano przyżyciowemu barwieniu fluorescencyjnemu z użyciem dwóch barwników: H2DCFDA, znakującego reaktywne formy tlenu (ROS; sygnał zielony), oraz Cell Tracker Blue, stosowanego do oceny poziomu glutationu (GSH; sygnał niebieski).
Obrazy mikroskopowe pozyskiwano w formacie. zvi z użyciem mikroskopu epifluorescencyjnego Axiovert 200 Zeiss. Poziom fluorescencji (integrated density; IntDen) dla użytych 2 barwiników był mierzony z użyciem ogólnie dostępnego, bezpłatnego programu ImageJ.
Zbiór obejmuje trzy foldery ze zdjęciami mikroskopowymi oocytów bydła 3 grup badawczych analizowanych pod kątem ROS i GSH: 1. „bovine oocyte ROS+GSH C4 IVM CONTROL” (5 zdjęć grupowych), 2. „bovine oocyte ROS+GSH C1 IVM+DMSO” (11 zdjęć grupowych) oraz 3. „bovine oocyte ROS+GSH E1 IVM+FA” (10 zdjęć grupowych).
.zvi images, fluorescence, ROS, GSH, bovine oocytes
Fakruzzaman, Md., Warzych, E., Pawlak, P., Madeja, Z.E., Cieślak, A., Szkudelska, K., Łechtańska, J., Lechniak, D. Effect of IVM media supplementation with a blend of n6/n3 fatty acids on the quality of bovine oocytes and blastocysts. Theriogenology. Vol. 242. 7427 https://doi.org/10.1016/j.theriogenology.2025.117427 https://doi.org/10.1016/j.theriogenology.2025.117427 doi: 10.1016/j.theriogenology.2025.117427
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