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Increased optic atrophy type 1 (OPA1) expression blocks mitochondrial fission in differentiated retinal ganglion cell (RGC)-5 cells exposed to elevated hydrostatic pressure (30 mmHg) for three days. Mitochondria are stained with MitoTracker Red. A, C: Non-pressurized control cells without transfection. B, D: Non-pressurized control cells transfected with AAV2 <b>Null</b>. E,G: Pressurized cells transfected with AAV2 <b>Null</b>. F,H: Pressurized cells transfected with AAV2-WT mOPA1. High magnification showed that increased OPA1 expression blocked mitochondrial fission in pressurized cells that are counterstained with Hoechst 33342 (blue). Scale bar indicates 10 µm (A,C, F, H). Adult D. bifurca.A,B) Two exterior views of 3D rendering. C) Example 2D slices from the image set, three from the head, left, and three from the thorax, right. Sequence: Spin Echo Multi-Slice, 12.5 micron in-plane resolution, 100 micron slice thickness, TR = 1500 ms, TE = 20 ms, matrix: 128×128, FOV: 1.6×1.6 mm. Hematoxylin-and eosin-stained tissue sections from control and PFOS treated mice. Control WT and <b>Null</b> mice are shown in panels (a) and (b), respectively. WT and mice treated with 10 mg/kg/day PFOS are shown in panels (c) and (d), respectively. Vacuole formation was observed in sections from treated WT mice, and in sections from control and treated <b>Null</b> mice. Mice exposed to 3 mg/kg/day PFOS were similar to controls (data not shown). Bar = 50 μm. Mitochondrial morphology changes in response to changes in DNM1 gene expression. <b>Null</b> (closed triangles), intermediate (open squares), and wild-type (closed circles) mitochondrial morphologies were quantified by DiOC6 staining in cells containing a single genomic copy of the wild-type DNM1 (JSY1238; A and C) or GAL1-DNM1 (JSY1678; B and D) gene. (A) DNM1 cells transferred from dextrose to galactose. (B) GAL1-DNM1 cells transferred from dextrose to galactose. (C) DNM1 cells transferred from galactose to dextrose. (D) GAL1-DNM1 cells transferred from galactose to dextrose. The amount of Dnm1p expressed in the GAL1-DNM1 strain relative to the DNM1 strain is indicated for selected time points below graphs B and D. (WT = DNM1 = 1.0; U, undetected). (E) Representative examples of <b>Null</b> (closed triangles), intermediate (open squares), and WT (DNM1; closed circles) mitochondrial morphologies. Buds are in the upper portion of each panel. Bar, 2 μm. Alginate-encapsulated tumor cell assay for the inhibition of angiogenesis. Mice bearing alginate beads containing CT26 tumor cells were treated with NS, Ad-<b>Null</b>, or Ad-PEDF twice on day 1 and 8, respectively. On day 11, all mice received an injection of FITC-dextran and were sacrificed 20 min later. A. Photographs show surface of alginate beads from different groups. B. FITC-dextran uptake in the tumor tissue was significantly decreased in mice treated with Ad-PEDF compared to mice treated with NS (a) or Ad-<b>Null</b> (b) group (p &lt; 0.05). n = 2; 4 beads/mouse.
Late D. melanogaster pupa.A) Exterior view and labelled schematic. At right, selected example slices from the B) head C) thorax and D) abdomen. Sequence: Spin Echo Multi-Slice, 41 slices, 100 micron thickness, resolution: 12.5 micron, in-plane. Matrix: 128×128, TR = 11300 ms, TE = 20 ms. Adult D. melanogaster, dorsal slices omitted.Sequence: Gradient Echo 3D; resolution: 19.5 microns, matrix: 128×128×256, field of view (FOV): 2.5×2.5×5 mm. TR: 195 ms, TE: 9.6 ms. Injected with gadopentate dimeglumine contrast agent during pupal stage, imaged in halocarbon oil. Adult D. melanogaster, head and anterior thorax of specimen in figure 3.A) Dorsal view B) Anterior view, stereograph. The brain is highlighted blue-green, surfaces of the eyes red. Partial transparency of the head cuticle was achieved by adjusting per cent image density after 3D rendering. Four genomic regions. (A) <b>Null</b> region 1 - low LD; (B) <b>Null</b> region 2 - high LD; (C) Associated region - PTPN22 (D) Associated region - PADI4. SNPs in boxes indicate those removed for imputation of completely untyped markers. For associated regions (A and B), boxes indicate SNPs which were imputed: blue boxes denote the set containing the imputed risk SNP (first SNP set) and green boxes denote the set including flanking markers to the risk SNP (second SNP set). Time course of the stimulus display sequence of the task trials. For present and absent trials, a randomly selected digit from 20 to 99 was presented on the centre of the viewing screen for 500 ms, followed by a test sequence of digits (targets) presented for 3,500 ms. In a given trial, subjects judged whether the digit first presented was among the targets. If they believed the presented target digit matched the first digit, subjects pressed the left button (present trial); if not, they pressed the right button (absent trial). There was no time interval between trials. For the trial, the word &quot;<b>NULL</b>&quot; was presented on the centre of the viewing screen for 500 ms, followed by a test sequence presented for 3,500 ms. Subjects judged whether there was a black circle among the white circles. When a black circle was present among the white ones, subjects pressed the left button; and when all of the circles were white, they pressed the right button. There was no time interval between the trials.
<b>Null</b> p-Values under HeterogeneityA histogram of the p-values from a single simulated experiment affected by heterogeneity. The distribution of these p-values appears identical to a complete set of p-values from an experiment that is not subject to heterogeneity. Therefore, it is not possible to identify and account for heterogeneity by analyzing one-dimensional p-values or test-statistics (see also Text S1). <b>Null</b> Distribution of the statistic for 400 cases and controls respectively. <b>Null</b> Distribution of the statistic for 400 cases and controls respectively. <b>Null</b> Distribution of the statistic for 400 cases and controls respectively. <b>Null</b> Distribution of the statistic for 400 cases and controls respectively.
Effects of HO-1-MSCs transplantation on apoptosis. (A) TUNEL-positive cells in the border zone of infracted myocardium 3 weeks after transplantation (100×). (B) Values are means ± SD of data from 6 separate experiments, * P &lt; 0.05 compared with the hearts treated with PBS. # P &lt; 0.05 compared with the hearts treated with <b>Null</b>-MSCs. &amp;P &gt; 0.05 compared with the hearts treated with <b>Null</b>-MSCs. $ P &lt; 0.05 compared with the hearts treated with HO-1-MSCs and HO inhibitor. Lane a, normal control; Lane b, hearts treated with PBS; Lane c, hearts treated with <b>Null</b>-MSCs; Lane d, hearts treated with HO-1-MSCs and HO inhibitor; Lane e, hearts treated with HO-1-MSCs. cid <b>Null</b> Embryos Exhibit Multiple Mitotic Phenotypes.CID, PH3, and DAPI staining of cid/CyO and cid/cid embryos at different stages of development were monitored to evaluate mitotic progression and segregation defects.(A) Heterozygous (cid/CyO) stage 9–10 embryos displayed no mitotic defects and robust CID staining at kinetochores (inset).(B) cid animals (trans-heterozygous for different cid alleles, see Materials and Methods) exhibited lagging chromosomes during anaphase. Some CID staining was still visible at this stage, demonstrating that these phenotypes resulted from partial loss of CID function, due to the presence of maternal CID protein.(C) cid/CyO stage 14–15 embryos show normal mitotic progression and normal CID staining at kinetochores (inset).(D) cid animals exhibited an elevated mitotic index, lower nuclear density, and little detectable CID staining in some cells at stage 14–15. The strong depletion of CID staining suggests that these phenotypes are the result of complete loss of zygotic cid function. cid animals have a large number of presumably polyploidy cells (inset) suggesting high levels of aneuploidy due to repeated failures in cell division. Scale bar indicates 15 μm. <b>Null</b> alleles of ago2 complement dop1 mutants.(A) Percentage of larvae hatching from indicated genotypes (n&gt;300 per genotype). (B) Bright-field images of post-gastrula embryos (stage 10) show that the periphery of dop1 mutant embryos is abnormally transparent compared to wild type (wt) [16]. These transparency changes are characteristic of altered lipid-droplet distribution [57]. Embryos obtained from mothers transheterozygous for dop1 and either ago2321 or ago2454 exhibit a normal pattern lipid-droplet distribution. (C) Immunolabeling of the membrane protein Neurotactin (red) and DNA (DAPI, blue) in embryos during and after cellularization. Embryos from dop1 homozygous females exhibit a severe delay in membrane ingression marked by the absence of Neurotactin staining at the interface between adjacent nuclei [16]. Embryos from dop1/ago2321 transheterozygous mothers show normal membrane ingression during cellularization. Effects of HO-1-MSCs transplantation on ventricular remodeling. (A) The transmural slices of the left ventricle were stained with Masson trichrome (1.25×). (B) % fibrotic area in heart with infarction was measured. Values are means ± SD of data from 6 separate experiments, *P &lt; 0.05 compared with the hearts treated with PBS, #P &lt; 0.05 compared with the hearts treated with <b>Null</b>-MSCs. (C) The border zone of the infarct area (100×). Dg <b>Null</b> Mutant Cells Have Normal Apical-Basal Polarity(A–E) DgO43 or DgO86 mutant follicle cell clones under normal food conditions. Mutant cells are marked by the absence of GFP (green). The apical domain is at the top and faces the oocyte. (A) Armadillo (Arm, red) and Dystroglycan (Dg, blue). (B) Discs-large (Dlg, red) and atypical Protein Kinase C (aPKC, blue). (C) Crumbs (Crb, red). (D) Patj (blue). (E) F-actin (red) and Perlecan (Pcan, blue).(F) DgO86 mutant germline clone, marked by the absence of GFP (green) and stained for the oocyte polarity marker Orb (red).
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