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Yamazaki Y, Tsuruga M, Zhou D, Fujita Y, Shang X, Dang Y, Kawasaki K, Oka S. Cytoskeletal disruption accelerates caspase-3 activation and alters the intracellular membrane reorganization in DNA damage-induced apoptosis. Exp Cell Res 2000; 259:64-78. [PMID: 10942579 DOI: 10.1006/excr.2000.4970] [Citation(s) in RCA: 71] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
In actinomycin D (AD)-induced apoptosis, caspase-3 activation and DNA cleavage in human megakaryoblastic leukemia CMK-7 cells were greatly accelerated by tubulin and actin polymerization inhibitors [e.g., colcemid (CL) and cytochalasin D (CD), respectively], but the acceleration was not found with Taxol or phalloidin. A decrease in mitochondrial transmembrane potential, release of cytochrome c into the cytosol, and cleavage of procaspase-9 to its active form preceded the activation of caspase-3 and, moreover, all of these events began earlier and/or proceeded faster in cells treated with AD plus CL or CD than in cells treated with AD only. These results suggest that cytoskeletal disruption in the apoptotic cells promotes damage of the mitochondrial membrane, resulting in the enhanced release of cytochrome c necessary for the activation of caspase-9 that initiates the caspase cascade. On the other hand, apoptotic bodies were rapidly formed from cells treated with AD and CL, but were suppressed when treated with AD and CD. Intracellular membranes and the actin system were reorganized to surround the nuclear fragments in the AD- and CL-treated cells, but such a membrane system was not formed in the presence of CD, implying that the apoptotic bodies are formed via reorganization of intracellular membranes under regulation by actin polymerization. Thus, the cytoskeletal change in CMK-7 cells has a strong effect on the early biochemical process as well as on the later morphologic process in AD-induced apoptosis.
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Abstract
We hypothesized that hyperbaric oxygen (HBO) enhances tryptophan (TRP) flux through the kynurenine (KYN) pathway because oxygen is a substrate for four pathway enzymes. Our objective was to compare the biosynthesis of KYN pathway intermediates by rat brain and liver slices with air or HBO as the gas phase. One-millimeter thick liver and brain slices were obtained from male Sprague-Dawley rats and incubated individually in chambers containing Hanks'-HEPES- buffer with (3)H-TRP (30 Ci/mmol) for 2 h (37 degrees C) in either room air or oxygen (1.2 or 5.2 atmospheres absolute [ATA] oxygen). After incubation, tissue was snap-frozen and analyzed for protein content while medium was extracted for high-performance liquid chromatography analysis. Radiolabeled nicotinamide adenine dinucleotide (NAD) was produced by brain and liver; liver (with air as the gas phase) also produced quinolinic acid (QA). HBO at 1.2 and 5.2 ATA caused increased QA and NAD from liver slices. HBO did not affect KYN metabolism in brain slices, although there was decreased production of NAD during high oxygen. We conclude that rat brain and liver contain the complete KYN pathway and that HBO enhances KYN flux in liver tissue.
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Amiridze N, Dang Y, Brown OR. Hydroxyl radicals detected via brain microdialysis in rats breathing air and during hyperbaric oxygen convulsions. Redox Rep 2000; 4:165-70. [PMID: 10658821 DOI: 10.1179/135100099101534864] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/31/2022] Open
Abstract
Microdialysis was done on 300-400 g, awake, male rats with microdialysis probes inserted through guide cannulas into the striatum (Bregma co-ordinates A 0.5, L 2.9, D -4.0 for guide cannulas implanted 5 days previously). Rats were exposed to hyperbaric oxygen (HBO; 6 atm absolute, 5 atm gauge pressure of oxygen with carbon dioxide absorbed by soda lime). Artificial cerebrospinal fluid (CSF) containing 5 mM sodium salicylate was perfused at 1 microl/min and collected over sequential 10 min intervals with rats breathing air, then HBO, and after decompression. Times to convulsions and duration and severity of convulsions were observed and recorded. CSF samples were analyzed for 2,3- and 2,5-dihydroxybenzoic acid (DHBA), reaction products of hydroxyl radicals with salicylate, by HPLC and compared to authentic standards. Recovery of DHBAs was 48% from fluid surrounding microdialysis probes, based on in vitro tests. The average time to the first convulsion was 21 min and rats convulsed an average of 4 times during 40 min in HBO. There were no significant differences in hydroxyl radical production by this protocol during any of the 10 min collection periods in air or HBO (average in pmoles for 10 microl of all samples: 2,3-DHBA = 7.0 +/- 2.5 and 2,5-DHBA = 11.3 +/- 4.1). The failure to detect an increase in hydroxyl radicals in HBO prior to or during convulsions appears valid since each rat served as its own control.
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Dang Y, Dale WE, Brown OR. Comparative effects of oxygen on indoleamine 2,3-dioxygenase and tryptophan 2,3-dioxygenase of the kynurenine pathway. Free Radic Biol Med 2000; 28:615-24. [PMID: 10719243 DOI: 10.1016/s0891-5849(99)00272-5] [Citation(s) in RCA: 51] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
Indoleamine 2,3-dioxygenase (IDO) reacts with either oxygen or superoxide and tryptophan (trp) or other indoleamines while tryptophan 2,3-dioxygenase (TDO) reacts with oxygen and is specific for trp. These enzymes catalyze the rate-limiting step in the kynurenine (KYN) pathway from trp to quinolinic acid (QA) with TDO in kidney and liver and IDO in many tissues, including brain where it is low but inducible. QA, which does not cross the blood-brain barrier, is an excitotoxin found in the CNS during various pathologies and is associated with convulsions. We proposed that HBO-induced convulsions result from increased flux through the KYN pathway via oxygen stimulation of IDO. To test this, TDO and IDO of liver and brain, respectively, of Sprague Dawley rats were assayed with oxygen from 0 to 6.2 atm HBO. TDO activity was appreciable at even 30 microM oxygen and rose steeply to a maximum at 40 microM. Conversely, IDO had almost no detectable activity at or below 100 microM oxygen and maximum activity was not reached until about 1150 microM. (Plasma contains about 215 microM oxygen and capillaries about 20 microM oxygen when rats breathe air.) KYN was 60% higher in brains of HBO-convulsed rats compared to rats breathing air. While the oxygen concentration inside cells of rats breathing air or HBO is not known precisely, it is clear that the rate-limiting, IDO-catalyzed step in the brain KYN pathway (but not liver TDO) can be greatly accelerated in rats breathing HBO.
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Lim J, Fong DS, Dang Y. Decreased prevalence of retinopathy of prematurity in an inner-city hospital. OPHTHALMIC SURGERY AND LASERS 1999; 30:12-6. [PMID: 9923486] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/10/2023]
Abstract
BACKGROUND AND OBJECTIVE Improvements in care of low birth weight preterm infants has led to an increased survival of this population. It is not known whether the improved care has decreased the prevalence of retinopathy of prematurity (ROP), or whether the survival of even smaller infants has increased the prevalence. The purpose of this study was to determine the prevalence of ROP in an inner-city hospital during two time periods to determine whether the prevalence is changing. PATIENTS AND METHODS The frequency and characteristics of ROP were compared between a 10-month observation period in 1995-1996 and published data from a similar time period in 1988-1989. RESULTS There were fewer cases of ROP per live births less than 1500 g during 1995-1996 compared with 1988-1989 (P< .0001). This included both mild and severe ROP. When the two racial subgroups were examined separately, there was a statistically significant decline for the black (P < .001) but not the Hispanic population (P = .12). The Mantel-Haenszel chi2 test confirmed that the decline was statistically significant when the two groups were combined (P < .001). CONCLUSIONS In this population, the prevalence of ROP appears to have decreased between 1995-1996 and 1988-1989. The subgroup experiencing the biggest decline was black infants. Other studies should be performed to investigate whether the frequency of ROP has also declined in other settings.
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Xia C, Dang Y, Brown OR. HPLC analysis of quinolinic acid, a NAD biosynthesis intermediate, after fluorescence derivatization in an aqueous matrix. MICROBIOS 1998; 94:167-81. [PMID: 9853379] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Subscribe] [Scholar Register] [Indexed: 02/09/2023]
Abstract
Quinolinic acid (2,3-pyridine dicarboxylic acid), a biological intermediate in nicotinamide adenine dinucleotide (NAD) biosynthesis in microbes and mammals and a brain excitotoxin, is not fluorescent nor electrochemically active and its detection sensitivity by UV absorption is comparatively low. Quinolinic acid was successfully derivatized in water-based samples by monodansylcadaverine, a fluorescence tag, and analysed by high-performance liquid chromatography (HPLC). No extraction procedure was needed and quinolinic acid was activated by water-soluble carbodiimide and derivatized under mild conditions. As little as 3 pmol (500 pg) of quinolinic acid in 5 microliter of artificial cerebrospinal fluid sample volume could be derivatized and detected at a signal to noise ratio of 3:1. Thus, detection on a mass basis by HPLC after fluorescence derivatization is about 300 times as sensitive as direct determination of quinolinic acid by UV absorbance (500 pg vs 150 ng). A variety of activators, fluorescent tags and reaction solvents and conditions were tested but found to be less effective.
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Abstract
Iron containing 3-Hydroxyanthranilate oxidase (3HAO) converts 3-hydroxyanthranilate (3HAA) and dioxygen into a precursor which spontaneously converts to quinolinic acid (QA). 3HAO participates in de novo biosynthesis of NAD in mammalian kidney and liver, and it is present in low concentrations in brain where its function is controversial. However, QA increases in spinal fluid and is associated with convulsions in AIDS dementia, Huntington's disease, and CNS inflammation. QA is a known N-methyl, D-aspartate receptor agonist and excitotoxin that causes convulsions when injected into the brain. Hyperbaric oxygen (HBO) also causes convulsions and we investigated the interrelationships among the stimulating and toxic effects of oxygen and the role of iron in vitro using rat liver enzyme which is reported to be identical to brain enzyme and is more abundant. 3HAO requires dioxygen as a substrate but it was inactivated approximately 40% by 5.2 atm HBO in vitro in 15 min. The apparent Km was 2.6 x 10(-4) M for oxygen and 5 x 10(-5) M for 3HAA, and these values did not change for enzyme that was half-inactivated by HBO oxygen. Thus, oxygen-inactivation appears to be all-or-none for individual enzyme molecules. Freshly prepared enzyme was activated about 3-fold by incubation with acidic iron. Iron-staining of 3HAO, separated by gel electrophoresis after partial purification by FPLC, showed that loss of iron and loss of enzyme activity during HBO exposure were correlated. The apparent oxygen Km of 3HAO is far higher than the oxygen concentration in brain cells. Thus, 3HAO is capable of being stimulated initially in animals breathing HBO, and subsequently of being inactivated with potential significance for brain QA and convulsions.
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Dang Y. [Protective action of Acanthopanax giraldii harms polysaccharides against experimental liver injury in rats and mice]. ZHONGGUO ZHONG YAO ZA ZHI = ZHONGGUO ZHONGYAO ZAZHI = CHINA JOURNAL OF CHINESE MATERIA MEDICA 1997; 22:176-8 inside back cover. [PMID: 10743190] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/16/2023]
Abstract
The experimental data indicate that Acanthopanax giraldii polysaccharides (AGP) significantly inhibit the elevation of serum ALT in CCl4-, D-galactosamine- and thioacetamide-intoxicated rats and mice. In CCl4-intoxicated mice, the retention of serum BSP was also reduced obviously by AGP. AGP was found to shorten the pentobarbital sleeping time in both normal and CCl4-intoxicated mice.
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59
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Dang Y. Coordination chemistry of cyclopentadienyl titanium carboxylates and related complexes. Coord Chem Rev 1994. [DOI: 10.1016/0010-8545(94)80066-9] [Citation(s) in RCA: 20] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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60
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Lowe GM, Dang Y, Watson F, Edwards SW, Galvani DW. Identification of a subgroup of myelodysplastic patients with a neutrophil stimulation-signalling defect. Br J Haematol 1994; 86:761-6. [PMID: 7918069 DOI: 10.1111/j.1365-2141.1994.tb04826.x] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Abstract
f-Met-Leu-Phe-stimulated luminol-enhanced chemiluminescence was found to be repeatedly defective in some MDS patients. This defect was not attributed to myeloperoxidase deficiency, nor to a defect in NADPH oxidase function, because PMA chemiluminescence was found to be normal in these individuals. An arbitrary value of 7 mV (half the mean control value) was chosen to subdivide the group: MDS patients with values < 7 mV had a mean f-Met-Leu-Phe chemiluminescence response of 2.5 +/- 0.5 compared to MDS patients with values > 7 mV who had a mean response of 15.6 +/- 1.6 mV, P < 0.01 (healthy controls 14 +/- 2 mV). The characteristics of the f-Met-Leu-Phe receptor and initial calcium flux results suggested that the receptor itself was normal in number and function in low f-Met-Leu-Phe responders. The rate of superoxide generation, which is calcium-dependent, was also found to be in the normal range in low f-Met-Leu-Phe responders, although total superoxide production was reduced in some of these patients. When MDS neutrophils with a low f-Met-Leu-Phe response were stimulated with PMA, chemiluminescence was normal, suggesting normal activity of the NADPH-oxidase complex. Furthermore, myeloperoxidase activity was reduced in only three out of the 11 low f-Met-Leu-Phe responders. Following priming with GM-CSF, f-Met-Leu-Phe chemiluminescence was 27 +/- 1.6 mV in low f-Met-Leu-Phe responders compared to controls (87.7 +/- 11 mV, P < 0.005). Thus, although responses were improved, they were not as marked as in control neutrophils. These data suggest that a subgroup of MDS patients have a low f-Met-Leu-Phe chemiluminescence response which is not due to a defect in the f-Met-Leu-Phe receptor or oxidase activity, and in the majority of cases MPO activity is normal. Initial patient survival data suggest that these patients may have an increased risk of infective mortality. It is proposed that defective f-Met-Leu-Phe chemiluminescence results from a putative defect in cell-signalling mechanism upstream of PKC, and GM-CSF priming only partially improves responsiveness.
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Dang Y, Lowe GM, Edwards SW, Galvani DW. The effects of GM-CSF on myeloperoxidase release in normal and myelodysplastic neutrophils. Leuk Res 1993; 17:1037-44. [PMID: 8246607 DOI: 10.1016/0145-2126(93)90160-m] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Abstract
When purified control neutrophils were primed with GM-CSF, a significant increase in FMLP-induced MPO release was observed (mean +/- S.E.M., 3.4 +/- 0.8 mU/10(7) unprimed cells compared to 6.5 +/- 1.1 mU/10(7) primed cells, p < 0.001). This MPO release was greatly augmented by Cytochalasin B (Cy B), but after the addition of Cy B the priming effects of GM-CSF became less obvious. Exposure to GM-CSF without FMLP did not enhance MPO release. Within whole blood, FMLP produced negligible MPO release, but priming with GM-CSF prior to FMLP always resulted in a significant increase in MPO release. Myelodysplastic neutrophils released similar amounts of MPO in response to FMLP, compared with control cells (3.4 +/- 0.8 mU/10(7) control cells compared to 2.7 +/- 0.3 mU/10(7) MDS cells, p > 0.05). Priming with GM-CSF produced an increase in FMLP-stimulated MPO release comparable with control cells. In terms of total MPO content, although some MDS patients exhibited low levels, as a group there was no significant difference from controls (169 +/- 21 mU/10(7) control cells compared with 157 +/- 19 mU/10(7) MDS cells). These findings suggest that MPO activity is not a universal defect in MDS and cannot account for the defects in respiratory burst activity in these neutrophils.
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Dang Y, Geise H, Claereboudt J, Van den Heuvel H, Claeys M. Electron impact mass spectrometric behaviour of bis(substituted benzoato)complexes of bis(η-cyclopentadienyl)titanium(IV). Inorganica Chim Acta 1992. [DOI: 10.1016/s0020-1693(00)85330-x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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63
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Furusawa E, Chou SC, Furusawa S, Hirazumi A, Dang Y. Antitumour activity ofGanoderma lucidum, an edible mushroom, on intraperitoneally implanted lewis lung carcinoma in synergenic mice. Phytother Res 1992. [DOI: 10.1002/ptr.2650060604] [Citation(s) in RCA: 61] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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64
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Bracke B, Dang Y, Lenstra ATH, Geise HJ. Bis(cyclopentadienyl)bis(m-methoxybenzoato)titanium(IV). Acta Crystallogr C 1991. [DOI: 10.1107/s0108270191003864] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
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65
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Mihaileanu S, el Asmar B, Acar C, Lamberti A, Diebold B, Perier P, Dreyfus G, Bensasson D, Dang Y, Iliesu D. Intra-operative transoesophageal echocardiography after mitral repair--specific conditions and pitfalls. Eur Heart J 1991; 12 Suppl B:26-9. [PMID: 1936019 DOI: 10.1093/eurheartj/12.suppl_b.26] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/29/2022] Open
Abstract
The aim of this study was to determine the specific conditions and pitfalls of immediate assessment of the reconstructed mitral valve in open chest patients. Sixty-two patients had a mitral reconstruction controlled by transoesophageal echocardiography and colour Doppler (TEE) from the moment when cardiac activity restarted under extracorporeal circulation (ECC), until complete rewarming of the patient and weaning off the by-pass. The following conditions altered the imaging quality: (1) dried probe in the oesophagus or air bubbles, (2) non-aspirated air from the stomach, (3) small or empty left atria, (4) invagination of the left atrial appendage, (5) trapped air in the posterior pericardium, (6) spontaneous contrast. Transient mitral regurgitation disappeared completely in 12/62 patients: five had temporary impairment of LV function, two had reduced filling of the heart, one had left ventricular outflow obstruction exacerbated by isoproterenol and nitroglycerin, two had ventricular ectopic rhythms, and two epicardial pacing. Only one of the 62 patients had persistent significant MR which required a second run of ECC. We conclude that mitral regurgitation after mitral valve repair is closely related to the quality of LV function. A decision to reoperate should eliminate the possible pitfalls, and take into consideration the specific conditions of immediate postoperative cardiac function.
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Abstract
We studied the pupils of 100 term and preterm infants between 26.5 and 46 weeks' postconceptual age. The mean (+/- S.D.) pupil diameter in a dark environment (less than 10 foot-candles of illumination) was 3.6 mm (+/- 0.9). Anisocoria of 0.5 to 1.0 mm was found in nine infants. The pupils did not consistently respond to 600 foot-candles of light before 32 weeks' postconceptual age, but responded increasingly thereafter. This progressive light response correlated significantly with postconceptual age, weight, Apgar scores, and corneal diameter (P less than .01). In the perinatal period, neurologic or radiologic examination may be warranted if the pupil diameter in a dark environment is less than 1.8 mm or greater than 5.4 mm or if the pupils do not respond to light challenge after 31 weeks' postconceptual age.
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Dang Y, Geise H, Dommisse R, Esmans E, Desseyn H. Bis(substituted benzoato) complexes of bis(η-cyclopentadienyl)titanium(IV). Synthesis, mass, 1H, 13C NMR and IR spectroscopy. Polyhedron 1989. [DOI: 10.1016/s0277-5387(00)80666-x] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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68
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Bath PE, Hoffer KJ, Aron-Rosa D, Dang Y. Glare disability secondary to YAG laser intraocular lens damage. J Cataract Refract Surg 1987; 13:309-13. [PMID: 3585767 DOI: 10.1016/s0886-3350(87)80076-7] [Citation(s) in RCA: 36] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
Neodymium:YAG laser intraocular lens damage results in opacities in the pseudophakos. When located in the visual axis, these opacities may cause glare and image degradation. In this paper, we report a patient who experienced disabling glare sufficient to require the explanation of the YAG-damaged intraocular lens. The patient, her management and clinical course, and the pathology of the explanted lens are discussed.
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Abstract
Polymethylmethacrylate and silicone intraocular lenses were subjected to controlled Nd:YAG laser irradiation. Following damage, each lens was examined by scanning electron microscopy. Highly specific morphologic patterns, believed to be pathognomonic for each material, were observed. The physics of damage mechanisms and clinical correlation of damage morphology are discussed.
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Bath PE, Dang Y, Martin WH. Comparison of glare in YAG-damaged intraocular lenses: injection-molded versus lathe-cut. J Cataract Refract Surg 1986; 12:662-4. [PMID: 3783474 DOI: 10.1016/s0886-3350(86)80082-7] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
A comparative analysis of YAG laser intraocular lens (IOL) damage was undertaken on injection-molded and lathe-cut IOLs. Damage sites were evaluated with polarized light. A consistent positive polarization was observed in the damage sites of lathe-cut IOLs. A consistent negative polarization was observed in the damage sites of injection-molded IOLs. The presence of positive polarization in IOL damage sites may be correlated with increased potential for glare. Results and clinical implications are discussed.
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Xiang JJ, Dang Y, Liu EX, Chen HC. [Preparation and characterization of mouse monoclonal antibodies against human C3]. ZHONGGUO YI XUE KE XUE YUAN XUE BAO. ACTA ACADEMIAE MEDICINAE SINICAE 1984; 6:249-51. [PMID: 6241060] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
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72
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Xu SH, Dang Y, Wang LR, Chen HC. [Effect of Yiqi-Huoxue drugs on histamine release from rat peritoneal mast cells]. ZHONGGUO YI XUE KE XUE YUAN XUE BAO. ACTA ACADEMIAE MEDICINAE SINICAE 1981; 3 Suppl 1:23-6. [PMID: 6173140] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
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73
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Chen XY, Zhu GJ, Dang Y, Wang LR, Yan YZ. [Effects of Yiqi-Huoxue drugs on acute hypoxia]. ZHONGGUO YI XUE KE XUE YUAN XUE BAO. ACTA ACADEMIAE MEDICINAE SINICAE 1981; 3 Suppl 1:27-30. [PMID: 6173141] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
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