ObjectiveTo investigate the causes, operation time, and microscopic repairing procedures of contusive iridodialysis. Methods23cases(23 eyes) who had partial iridodialysis due to contusions of the eyeballs underwent the microscopic repair during 7 to 18 days after injury. Viscoelastic agent and other auxiliary devices were used in the operation. ResultsAll eyes were fully corrected with approximate round-shaped pupils and their visual function improved. 1 eye with raised intraocular pressure was performed with trabeculectomy. ConclusionTimely repair of partial iridodialysis performed under microscope was safe and effective.

Background It is thought in recently that photodynamic therapy (PDT) is an effective treatment method for chronic central serous chorioretinopathy (CSC), but the dosage of verteporfin and its long-term efficacy and complications is rarely elucidated ever before.Objective This study was to observe the long-term efficacy and safety of 60％ dose verteporfin PDT for chronic CSC.Methods This is a retrospective study and a self-controlled design was used.The clinical data of 25 eyes of 21 chronic CSC patients who received 60％-dose verteporfin PDT in Henan Eye Institute from January 2009 to May 2010 were reviewed, with the male 18 (85.71％) and female 3 (14.29％) as well as monocular CSC 17 patients and binocular CSC 4 patients.The average ages of the patients were (43±5) years.Fundus fluorescein angiography (FFA) , indocyanine green angiography (ICGA), optical coherence tomography(OCT) and best corrected visual acuity (BCVA) were examined in all the patients before and after treatment.PDT with the 60％-dose verteporfin (3.6 mg/m2) was carried out on the CSC eyes.The treated eyes were examined 2 weeks, 1 month and 3 months after PDT.The BCVA,subfoveal choroid thickness,FFA and ICGA findings before and after PDT were compared.The following-up duration was 5 years or more.Results The BCVA before and 3 months after PDT were 0.5 ±0.1 and 0.9±0.2, respectively, with a statistically significant difference between them (t =19.17,P =0.00).The subfoveal choroidal thickness value 3 months after PDT was (326.56±39.47) μm,which was significantly reduced in comparison with (486.24 ±47.53) μm before PDT (t =25.17, P =0.00).FFA and ICGA showed that the leakage of fluorescein (hyperfluorescence) was disappeared in all the treated eyes.No systemic or local adverse effects and recurrence were observed during the follow-up period.Conclusions On the basis of the results of this study and available information,60％-dose verteporfin PDT seems to have a better long-term efficacy and safety than full-dose verteporfin in treating chronic CSC.

OBJECTIVETo study the changes in the serum levels of 25-(OH)D3 and immunoglobulins in children with bronchiolitis, and the clinical significance of these changes.

METHODSSerum levels of 25-(OH)D3 were measured using ELISA in 35 children with bronchiolitis in the acute and recovery phases and 20 healthy children. Serum levels of immunoglobulins were determined by rate nephelometry.

RESULTSCompared with the healthy children, serum 25-(OH)D3, IgG and IgA levels in children with bronchiolitis in the acute phase were significantly lower and, in contrast, serum IgE levels were significantly higher (P<0.05). Serum 25-(OH)D3 levels increased and serum IgE levels decreased significantly in the recovery phase compared with the acute phase in children with bronchiolitis (P<0.05). However, compared with the healthy children, serum 25-(OH)D3 and IgA levels were significantly lower and serum IgE levels were significantly higher in children with bronchiolitis in the recovery phase (P<0.05). Serum 25-(OH)D3 levels in children with bronchiolitis in the acute phase were positively correlated with serum IgG (r=0.36, P<0.05) and IgA levels (r=0.63, P<0.01), and negatively correlated with serum IgE levels (r=-0.72, P<0.01). A negative correlation was found between serum 25-(OH)D3 and IgE levels in children with bronchiolitis in the recovery phase (r=-0.34, P<0.05).

CONCLUSIONSSerum 25-(OH)D3 levels decrease and there is immunoglobulin level imbalance in children with bronchiolitis, suggesting that 25-(OH)D3 and immunoglobulins may play important roles in the pathogenesis of bronchiolitis.

Bronchiolitis ; blood ; etiology ; Calcifediol ; blood ; Female ; Humans ; Immunoglobulins ; blood ; Infant ; Male

OBJECTIVETo study the value of anti-neutrophil cytoplasmic antibody (ANCA) in diagnosis of Kawasaki disease (KD).

METHODSSerum ANCA was detected in 30 children with typical Kawasaki disease (TKD) and in 16 with incomplete Kawasaki disease (IKD) in the acute and the recovery phases respectively. Twenty-five healthy children were randomly selected as a control group. An ultrasonic cardiography (UCG) was performed on children with KD in the acute phase.

RESULTSThe mean positive rate of serum ANCA in the acute phase in KD children was 65%, with 69% in IKD children and 63% in TKD children, which were obviously higher than that in the control group (P<0.01). The positive rate of serum ANCA in the recovery phase in KD children was significantly lower than that in the acute phase (33% vs 65%, P<0.05). The positive rate of serum ANCA in the acute phase in children with KD was significantly higher than that detected by UCG (P<0.01). The incidence rate of coronary artery lesions in children with positive ANCA was obviously higher than that in children with negative ANCA (43% vs 13%; P<0.05).

CONCLUSIONSSerum ANCA may be used as a reference index for early diagnosis of KD and secondary coronary artery lesions in children.

Antibodies, Antineutrophil Cytoplasmic ; blood ; Child ; Child, Preschool ; Echocardiography ; Female ; Humans ; Infant ; Male ; Mucocutaneous Lymph Node Syndrome ; blood ; diagnosis

Objective:To observe and preliminarily explore the effect of mogroside on oxidative stress of retinal pigment epitheliaum (RPE) cells induced by hydrogen peroxide (H 2O 2) and its possible mechanism. Methods:A experimental study. The RPE cells were divided into control group, H 2O 2 group, silent information regulator of transcription 1 (SIRT1) inhibitor EX527 group (EX527 group), mogroside group, mogroside+EX527 group. Methyl thiazolete trazolium method was used to detect cell survival rate. Flow cytometry was used to detect cell apoptosis rate. 2' ,7'-dichlorodihydrofluorescein diacetate fluorescent probe method, xanthine method and enzyme-linked immunosorbent assay method were used to detect the level of reactive oxygen species (ROS), superoxide dismutase (SOD) activity and malondialdehyde (MDA) content in cells respectively. Real-time quantitative polymerase chain reaction and Western blot were used to detect relative expressions of SIRT1, nuclear factor erythroid-2-related actor 2 (Nrf2), heme oxygenase-1 (HO-1) mRNA and protein in cells. One-way ANOVA was used for comparison among groups. The pairwise comparison between groups was tested by the least significant difference t test. Results:Compared with the control group, the H 2O 2 group cell survival rate decreased, the apoptosis rate increased, the ROS level in the cells increased, the SOD activity decreased, the MDA content increased, and the relative expression of SIRT1, Nrf2, HO-1 mRNA and protein decreased ( P<0.05). Compared with H 2O 2 group, the cell survival rate decreased, apoptosis rate increased, the cell ROS level increased, SOD activity decreased, MDA content increased, SIRT1, Nrf2, HO-1 mRNA and protein expression decreased in EX527 group ( P<0.05); the cell survival rate increased, apoptosis rate decreased, ROS level decreased, SOD activity increased, MDA content decreased, and the relative expression of SIRT1, Nrf2, HO-1 mRNA and protein increased in mogroside group ( P<0.05). Compared with the mogrosides group, the cell survival rate decreased, the apoptosis rate increased, the level of ROS increased, SOD activity decreased, MDA content increased, SIRT1, Nrf2, HO-1 mRNA and protein decreased in mogrosides+EX527 group ( P<0.05). Conclusions:Mogrosides can alleviate the oxidative stress response of visual RPE cells induced by H 2O 2, promote cell proliferation, and reduce cell apoptosis. Mogrosides may exert antioxidant effects by activating the SIRT1/Nrf2 signaling pathway.

Objective:To investigate the expression changes of lncRNAs and mRNAs in human umbilical vein endothelial cells(HUVEC) treated by tritiated water.Methods:HUVEC cells were divided into two groups, the control group cultured in DMEM medium, and the tritiated water exposure group cultured in a medium containing tritiated water with a final concentraion of 3.7×10 3 Bq/ml. After culture for 48 h, cells were collected for RNA extract.The differentially expressed lncRNAs and mRNAs were screened by high-through put chip technology and then analyzed. Results:Compared with the control group, 1 717 lncRNAs were significantly up-regulated and 3 994 lncRNAs significantly down-regulated, and 4 562 mRNAs were significantly up-regulated and 1 433 mRNAs down-regulated. Through co-expression analysis of differential mRNAs and lncRNAs, some key genes including SQSTM1, CXCL8, ITPR1, GADD45A, NF-kB1 and VDAC1 were obtained.Conclusions:Tritiated water exposure can induce multiple changes of mRNAs and lncRNAs in vascular endothelial cells, which may lead to toxic effects through signaling pathways including some key genes such as SQSTM1, CXCL8, and ITPR1.

Objective:To analyze the clinical phenotype and the associated pathogenic genes in a family exhibiting autosomal dominant inherited optic atrophy (ADOA).Methods:A pedigree analysis was conducted on a Han Chinese family with ADOA comprising two generations and four individuals from Henan Province.The family with two ADOA patients was recruited at Henan Eye Hospital between July and October 2023.Detailed medical histories were collected for the proband and family members.Comprehensive ophthalmologic evaluations were performed, including assessments of visual acuity, visual field, fundus photography, electroretinogram (ERG), visual evoked potential (VEP), and optical coherence tomography.Additionally, hearing, electromyography, and magnetic resonance imaging were performed on the proband to assess the presence of systemic symptoms.Peripheral blood samples were collected from four family members, and whole exome sequencing (WES) was performed on the proband, with subsequent validation via Sanger sequencing for the other family members.The pathogenicity and protein struture of the novel variant were analyzed.This study adhered to the Declaration of Helsinki.The study protocol was approved by the Ethics Committee of Henan Eye Hospital (No.HNEECKY-2019[15]).Written informed consent was obtained from each subject.Results:The proband was a 15-year-old female with a 4-year history of vision loss in the left eye and optic atrophy, mild thinning of central macular foveal thickness, locally mild thinning of ganglion cell complex layer thickness, low VEP amplitude, and partial visual field defects in both eyes, and no significant hearing impairment or dystonia on systemic examination.The proband's mother had partial optic nerve atrophy and slightly decreased central macular foveal thickness in both eyes, and mild ERG abnormalities, but no significant VEP abnormalities.WES identified a heterozygous nonsense variant c. 676C>T (p.Gln226Ter) in exon 6 of the OPA1 gene of the proband and her mother.This variant has not been previously reported in the literature, nor is it listed in the Human Gene Mutation Database, the Thousand Genomes Project, or the Genome Aggregation Database, which results in a premature termination codon at glutamine position 226.Protein structure analysis showed that p. Gln226Ter of the OPA1 protein induces alterations in the hydrogen bonding of the protein binding to surrounding residues, which in turn leads to protein function alterations.The variant was classified as potentially pathogenic according to the ACMG standards and guidelines. Conclusions:Patients in this ADOA family present with adolescent-onset optic atrophy in both eyes, with a predominance in the left eye.The c. 676C>T variant in OPA1 gene might be the causative variant in this ADOA family.Notably, this is the first report of this specific variant.