1.Efficacy of intravitreal injection of anti-vascular endothelial growth factor agent for retinopathy of prematurity in different zones
Yuebing LU ; Yunyun HUANG ; Xiantao SUN ; Shuang SUN
Recent Advances in Ophthalmology 2017;37(5):477-479
Objective To observe the clinical effects of anti-vascular endothelial growth factor (VEGF) agent for retinopathy of prematurity (ROP) in different zones.Methods Retrospective analysis was performed on 24 ROP patients (46 eyes) who received intravitreal injection of anti-VEGF agent in our hospital from April 2013 to April 2014,including 15 patients (28 eyes) with Zone Ⅰ ROP and 9 patients (18 eyes) with Zone Ⅱ ROP.All the patients receive intravitreal injection of anti-VEGF agent Ranibizumab.The patients were observed for postoperative progression of fundus conditions,and the recovery rate and progression rate following initial injection were compared statistically between two groups.Results There was no statistically significant difference between the two groups in gestational age at birth or birth weight (both P >0.05);And statistically significant difference was found between two groups in gestational age at surgical correction (P =0.001).Following initial injection,the recovery rates were 32.14% and 66.67%,and the progression rates were 67.86% and 33.34% in Zone Ⅰ ROP group and Zone Ⅱ ROP group,respectively,there was statistically significant difference between the two groups in recovery rate (x2 =5.263,P =0.022).The progression rate in Zone Ⅰ ROP group was higher than that in Zone Ⅱ ROP group,there was statistically significant difference (x2 =-2.269,P =0.023).During follow-up,no complications of intravitreal injection as cataract,endophthalmitis or retinal tears was observed;Only 2 patients experienced corneal edema,and 4 patients experienced subconjunctival hemorrhage.Conclusion Intravitreal injection of anti-VEGF agent is effective for both Zone Ⅰ and Zone Ⅱ ROP.While for Zone Ⅰ ROP,the surgery success rate is low and the reoperation rate is high,such treatment can provide favorable time and conditions for reoperation.
2.Stability of Alkaline in Process of Preparation for Jianghuang Qingzhi Tablets
Shanshan HE ; Haili SUN ; Min GUO ; Liping LIAO ; Xiantao ZHANG
Journal of Guangzhou University of Traditional Chinese Medicine 2017;34(2):260-263
Objective To study the stability of alkaline and degraded products of curcumin by high performance liquid chromatography(HPLC) and HPLC-mass spectrometry (MS) for the optimization of alkaline-dissolved process parameters of the Jianghuang Qingzhi Tablets and for the quality control of the tablets.Methods HPLC was performed for the determination of the alkaline-dissolved stability of curcumin with acetonitrile-acetic acid at volume coefficient of 4% (48 ∶ 52) as mobile phase,the detection wavelength being 430 nm.The alkalinedegraded products were tested by HPLC-MS assembling with electron spray ionization (ESI) and quadrupole timeof-flight (Q-TOF) in the scan range of 100-2 000 m/z.Results The degradation of curcumin in the alkaline solution was increased with the temperature.When the temperature was below 20 ℃,the degradation slowed down,while when the temperature reached to 80 ℃,curcumin was degraded completely within 2 h.The probable degradation products in the alkaline solution were p-hydroxy benzaldehyde,vanillin,p-coumaric acid,ferulic acid,et al.Conclusion Curcmin compounds are instable in aqueous alkali.To obtain the high-quality of Jianghuang Qingzhi Tablets with high content of curcumin and less degraded products,the alkaline-solution temperature should be controlled below 20 ℃.
3.The effect of La protein on replications of HBV in cultured cell
Hui ZHANG ; Jinghui SUN ; Honglian GENG ; Gaolin LIU ; Xiantao KONG ; Longyi TAN
Chinese Journal of Immunology 2000;0(09):-
Objective:To prove whether La protein could effect the replications of the HBV in cultured cells.Methods:Three specific SiRNAs for human La protein was obtained by transcription in vitro. After transfection with the SiRNAs into HepG2.2.15 cell, the levels of La protein mRNA and HBV DNA were detected by real-time PCR.Results:The HBV DNA secreted by the cell transfected with the SiRNAs was reduced with reduction of the mRNA of the La protein.Conclusion:The La protein can protect the replications of the HBV in cultured cells.
4.Protective effects of TAK-242 against coronary microembolization in rat associated with involvement of TLR4/NF-κB signaling pathway
Xiantao WANG ; Lang LI ; Yuanxi LU ; Yuhan SUN ; Wenkai HE ; Jiabao LIANG
Chinese Journal of Emergency Medicine 2017;26(7):745-750
Objective To investigate the role of TLR4/NF-κB signaling pathway under the action of TAK-242 in the cardiomyocyte apoptosis after coronary micro-embolism (CME) in rats.Methods Fortyfive rats were randomized (random number) into three groups:sham operation,CME and CME plus TAK242 groups (n =15 per group).CME was induced by injecting polyethylene microspheres (42 μm) into the left ventricle except the sham group.CME plus TAK-242 group was treated with TAK-242 (2 mg/kg) via the tail vein of mice 30 min before CME modeling.Cardiac function was evaluated 6 h after operation.Tissue biopsy was stained with HBFP to measure the size of infarction area.TUNEL assay was used to detect cardiomyocyte apoptosis.Western blot and qPCR were used to evaluate the protein levels and mRNA expressions of TLR4,NF-κB p65 and cleaved caspase-3,respectively.Statistical analysis was performed using one-way analysis of variance followed by LSD-t test.Results Compared with the sham group,left ventricular ejection fraction (LVEF) in the CME group was significantly decreased [(68.91 ± 4.12) % vs.(84.80 ± 2.51) %,P < 0.05],and the infarction area (P < 0.05),the apoptosis index [(3.36 ± 0.63) % vs.(0.19 ± 0.08) %,P <0.05],the mRNA expressions of TLR4,NF-κB p65 and cleaved caspase-3 in CME group were increased significantly (all P < 0.05).Compared with CME group,LVEF in the CME plus TAK-242 group was significantly improved [(75.58 ± 5.01) % vs.(68.91 ± 4.12) %,P<0.05],and the infarction area [(8.58 ± 2.12) % vs.(14.65 ± 4.23) %,P<0.05],the apoptosis index [(1.43 ± 0.51) % vs.(3.36 ± 0.63) %,P < 0.05],the mRNA expressions of TLR4,NF-κB p65 and cleaved caspase-3 in CME + TAK-242 group were decreased significantly (all P < 0.05).Conclusions TAK-242 effectively improved CME-induced cardiac dysfunction by regulating TLR4/NF-κB signaling pathway and then reducing the cardiomyocyte apoptosis.
5.Application of domestic snare in retrograde percutaneous coronary intervention for coronary chronic total occlusion lesions
Lin ZHAO ; Zening JIN ; Xiaojiang ZHANG ; Dongfang HE ; Yawei LUO ; Xiantao SONG ; Jinghua LIU ; Chengjun GUO ; Guihua LI ; Lei WANG ; Bing WANG ; Shaoqing CHEN ; Hongtao SUN ; De LYU
Chinese Journal of Interventional Cardiology 2017;25(4):197-201
Objective To evaluate the safety and efficiency of domestic snare applied during retrograde percutaneous coronary intervention (PCI) for chronic total occlusion (CTO) lesions.Methods A total of 27 patients who underwent retrograde PCI for CTO and used domestic snare during the procedure were enrolled in our study from March 2012 to November 2016.Clinical data, angiographic characteristics and PCI details were collected.Clinical data, characteristics of CTO lesion, effect of the domestic snare and snaring time were retrospectively analyzed.Special complications related to the domestic snare and major adverse cardiovascular events (MACE) were also documented.Results Domestic snare was used in all the procedures, which included facillitating the micro-catheter to pass through the CTO lesions in 6 patients and assisting the RG3/rotational guide-wire externalization in all the 27 patients.Mean snaring time was 3.5±5.4 minutes.Stents were successfully implanted in 26 patients except in 1 patient who failed to receive stent implantation for severe coronary calcification.No complications including coronary dissection, fracture of guide-wire and unreleased snare happened during the procedures and no MACE occurred during hospitalization.Conclusions Domestic snare facilitates retrograde micro-catheter crossing CTO lesions and retrograde guide-wire entering the guiding catheter and externalization.It is a simple, safe and efficient method.
6.Follow up of observation in patients with retinoblastoma under special circumstances
Xiantao SUN ; Shuang SUN ; Lihui XU ; Yuebing LU ; Yu JIANG ; Yunyun HUANG ; Liying SHI
Chinese Journal of Ocular Fundus Diseases 2020;36(6):425-429
Objective:To observe the retinoblastoma (RB) reexamination of children with new and recurrence retinoblastoma under special circumstances.Methods:From January 2, 2020 to March 15, 2020, 30 children with RB who had fundus examination in Henan Children's Hospital were enrolled in this study. Among them, 14 were male, 16 were female; 18 were monocular and 12 were binocular. The average age was 37.07±18.15 months. The mean age of initial diagnosis was 20.23±13.77 months. Two patients had a family history (6.67%). In 42 eyes, stage B, C, D and E were 7, 8, 20 and 7 eyes, respectively. Twenty-one eyes had finished the treatment course and 21 eyes were during treatment. All the children underwent RetCam fundus examination, orbital MRI, ocular B-ultrasound and so on. Whether the children had new tumor or recurrence at different treatment stages was observed.Results:Among 7 eyes in stage B, there was no recurrence or new tumor at the end of treatment or in the process of treatment. Among 8 eyes in stage C, there were 1 eye with new tumor and 1 eye with activity tumor at the end of treatment. Among 20 eyes in stage D, there were 1 eye with recurrence tumor at the end of treatment, 3 eyes with new tumor and 7 eyes with activity tumor at the end of treatment. Among 7 eyes in stage E, 5 eyes had eyeball enucleation and 2 eyes were receiving treatment; there were 1 eye with activity tumor at the end of treatment, 1 eye with recurrence tumor, 1 eye with activity tumor. Among 18 monocular eyes, there were 11 eyes in the treatment process, 2 eyes with new tumor, 1 eye with recurrence tumor and 3 eyes with activity tumor. Of the 24 binocular eyes, 10 were receiving treatment and there were 3 eyes with new tumor, 6 eyes with activity tumor. Twenty-one eyes had finished the treatment course, the average time required for follow-up was 3.71±0.31 months, and the average time delayed for follow-up was 6.43±1.66 weeks. There was a recurrence of tumor in 1 patient who had finished the whole treatment, the incidence was 4.76%. In the course of treatment, 21 eyes were required to have a follow-up time of 3 weeks, and the average delayed follow-up time was 6.00 ± 1.89 weeks. There were 5 eyes with new tumors, with a incidence of 21.74%. Nine eyes still had activity and needed to be treated in time.Conclusions:The higher the risk of tumor staging, the more relapses and new tumors. The patients who are being treated, the time of delayed follow-up, the higher the recurrence or new tumor than the children who have finished the treatment course and delayed the follow-up. The children who have relapsed or new tumor in the treatment course of binocular are higher than the children who have monocular.
7.The ocular clinical features and treatment of 18 cases young infants with incontinentia pigmenti
Weiwei LIU ; Yuebing LU ; Shuang SUN ; Ping LI ; Yingying CHU ; Ting LIU ; Jifeng YU ; Xiantao SUN
Chinese Journal of Ocular Fundus Diseases 2022;38(3):211-216
Objective:To observe the ocular clinical features and efficacy of young infants with incontinentia pigmenti (IP).Methods:A retrospective study. Clinical data of 18 young infants with IP aged 0-3 months in the Department of Ophthalmology of Henan Children's Hospital from October 2017 to February 2019 were collected in this study. All patients were underwent fundus examination under topical anesthesia or general anesthesia. Among them, 9 cases were underwent genetic testing. Patients were determined whether to treated with retinal laser photocoagulation (LIO) or intravitreal conbercept (IVC, 0.25 mg/0.025 ml) according to the condition of eyes. The followed-up time ranged from 4months to 43 months. The ocular clinical features and treatment were observed.Results:There were 1 male and 17 females of the 18 patients. The age of first visit were 1.2±1.0 months (2 d-3 months). All cases had typical skin lesions, 4 cases had neurological symptoms, 10 cases had tooth abnormalities, and 4 cases had cicatricial alopecia. Among the 9 cases that were underwent genetic testing, 5 cases were deleted in exons 4-10 of the IKBKG gene and 1 case were a heterozygous mutation c.1124delT in exon 9 of the IKBKG gene. Among the 36 eyes, 21 eyes of 13 cases with incontinentia pigmenti-associated ocular diseases were all retinopathy (58.3%,21/36). Retinopathy of 9 cases were asymmetrical (69.2%,9/13). Among the 21 eyes, 3 eyes were simple retinal pigment abnormalities (14.3%,3/21) and 18 cases had retinal vascular lesion (85.7%, 18/21). Among the 36 eyes, 8 eyes were treated; 4 eyes were underwent LIO; 3 eyes were treated with IVC; 1 eye was treated with LIO combined with IVC. They were all improved significantly after the operation without serious complications. 1 eye with retinal detachment did not undergo surgical treatment due to guardian reasons. Perceptual exotropia and eyeball atrophy was found during the follow-up. Conclusions:The onset of IP-related ocular anomalies is early. The early anomalies were mainly retinal vascular abnormalities. Treatment in early time is effective.
8.Clinical features of infant cytomegalovirus infection
Ting LIU ; Yuebing LU ; Jifeng YU ; Ping LI ; Shuang SUN ; Honghui CAO ; Yanhong GUO ; Xiantao SUN
Chinese Journal of Ocular Fundus Diseases 2022;38(7):573-577
Objective:To observe the ocular clinical features of infantile cytomegalovirus (CMV) infection.Methods:A retrospective clinical study. From March 2019 to July 2021, 876 eyes of 438 children with CMV infection who visited Department of Ophthalmology of Henan Provincial Children's Hospital were included in the study. Among them, there were 254 males and 184 females; the age ranged from 3 days to 11 months; the gestational weeks were 28 to 42 weeks; the birth weight was 1 120 to 8 900 g. There were 384 and 54 full-term and premature infants, respectively. Fundus examination was performed in 385 cases (770 eyes) after medical consultation; 53 cases (106 eyes) of premature infants were routinely screened. CMV retinitis (CMVR) was divided into granular type and fulminant type. Patients with CMV-related diseases with moderate to severe symptoms were given intravenous drip and/or oral ganciclovir; patients with severe fundus vasculitis were combined with intravitreal injection of ganciclovir. The follow-up period was from 4 to 28 months, and the characteristics of eye lesions, systemic comorbid diseases and treatment outcomes were observed.Results:There were 516 eyes of 258 cases with normal fundus (58.9%, 258/438); 291 eyes of 180 cases with CMVR (41.1%, 180/438), of which binocular and monocular were 111 (61.7%, 111/180) and 69 (38.3%, 69/180) cases. Among the 291 eyes of CMVR, 281 eyes (96.6%, 281/291) of granular type; yellow-white point-like opacity and/or retinal hemorrhage; 10 eyes (3.4%, 10/291) of fulminant type; fundus Showed a typical "cheese ketchup-like" and vascular white sheath-like changes. Among the 180 children with CMVR, 72 patients (118 eyes) were given systemic intravenous drip and/or oral ganciclovir; 5 patients (10 eyes) were given intravitreal ganciclovir, all of which were fulminant CMVR. At the last follow-up, fundus lesions regressed significantly in 100 eyes of 61 cases; 18 eyes of 11 cases had old lesions or uneven retinal pigment; 108 cases were not treated.Conclusion:The most common fundus manifestation of CMV infection in infants is granular retinitis, and fulminant retinitis is more severe, and the lesions can be significantly regressed after timely antiviral treatment.
9.Analysis of ocular clinical features in 13 children with methylmalonic acidemia
Liying SHI ; Xiantao SUN ; Yuebing LU ; Shuang SUN ; Yunyun HUANG ; Lihui XU ; Jifeng YU
Chinese Journal of Ocular Fundus Diseases 2023;39(1):28-33
Objective:To observe the clinical features of eyes in children with methylmalonic acidemia (MMA).Methods:A retrospective clinical case study. From June 2019 to June 2022, 13 children with MMA visited on the Department of Ophthalmology of Henan Children's Hospital were included in the study. The anterior segment and fundus were examined under surface or general anesthesia. Best corrected visual acuity (BCVA) and refraction were performed in 9 cases; fluorescein fundus angiography (FFA) was performed in 3 cases; flash electroretinogram (FERG) was performed in 6 cases; flash visual evoked potential (FVEP) was detected in 6 cases; optical coherence tomography (OCT) was performed in 3 cases.Results:Among the 13 pediatric patients with methylmalonic acidemia, 6 cases were male and 7 cases were female. The average age at first visit was 45 months. All cases suffered from hyperhomocysteinemia; 9 cases were with epilepsy; 2 cases were with infantile spasms; 11 cases were with stunting, 13 cases were with repeated pulmonary infection during growth period; 4 cases were with hydrocephalus; 1 cases was with hypertension and renal insufficiency. Genetic dectection results of 8 cases were recorded, MMACHC:c.609G>A:p.W203* mutation site was found in all cases. One case was accompanied by corneal ulcer. There were 10 cases with nystagmus, 4 cases with macular degeneration, 3 cases with hyperopic refractive error and esotropia. Nine cases underwent BCVA examination, BCVA was light perception-0.6. In OCT, 2 cases of 3 cases showed retinal thinning and photoreceptor cell layer atrophy in the macular area. In FFA, 2 cases of 3 cases showed circular transparent fluorescence in the macular area. Five cases of 6 cases who with FVEP had different degrees of P100 peak time delay and decreased amplitude, and 4 cases of 6 cases with FERG had decrease of a and b wave in light and dark adaptation. Conclusions:The clinical phenotypes of eyes in children with MMA are various and the severity was different; most of them are accompanied by nystagmus, and the fundus lesions are common in the characteristic bovine eye like macular region. Those with macular disease have severe visual impairment.
10.Genetic analysis of the CACNA1F gene in a family affected with incomplete form Schubert-Bornschein type congenital stationary night blindness
Guanfeng LI ; Zhongqiang ZHOU ; He TANG ; Yuanmeng WEI ; Haiying PENG ; Pingling SHI ; Yingjuan LIANG ; Xiantao SUN ; Yuebing LU
Chinese Journal of Ocular Fundus Diseases 2021;37(11):860-864
Objective:To determine the pathogenic gene mutation in a family with incomplete congenital quiescent night blindness (CSNB) of Schubert-Bornschein type.Methods:A retrospective clinical study. In February 2021, one patient and his parents and elder brother from a Han Chinese incomplete CSNB of Schubert-Bornschein type family diagnosed by clinical and genetic examination at Henan Provincial People's Hospital were included in the study. The patient’s medical history, family history were inquired; best corrected visual acuity (BCVA), color vision, fundus color photography, full-field electroretinogram (ERG), and frequency domain optical coherence tomography (OCT) were examined in detail. Five ml of the subject’s peripheral venous blood was collected and the whole genome DNA was extracted. The genomic DNA of the subject was library constructed, and all-exon probes were polymerized for capture. The suspected pathogenic mutation site was verified by Sanger, and the pathogenicity of the gene mutation site was determined by parallel bioinformatics analysis.Results:The BCVA of both eyes of the proband (Ⅱ2) was 0.4; the color vision test could not recognize the red color. Fundus examination showed no obvious abnormalities. The retina thickness in the macular area of both eyes was slightly thinned. ERG examination of the whole field showed that the amplitude of ERG b wave was significantly reduced under the stimulation of binocular dark adaptation 3.0 and showed a negative waveform. The mother of the proband (Ⅰ2) had normal BCVA, color vision, fundus color photography, and frequency domain OCT examination. The full-field ERG examination showed that the amplitude of each eye reaction was slightly reduced, and the amplitude of the dark adaptation shock potential was significantly reduced. Genetic testing showed that the proband (Ⅱ2) had a c.1761dupC hemizygous mutation in exon 14 of the voltage-dependent calcium channel α1F subunit gene ( CACNA1F gene). The results of protein sequence homology analysis showed that the site was highly conserved in multiple species; the results of bioinformatics analysis showed that the CACNA1F gene c.1761dupC (pY588fs) subsequently had a frameshift mutation and became a stop at position 10. Codons appear translational termination in the conserved regions of the protein. According to the standards and guidelines of the American College of Medical Genetics and Genomics, the mutation was judged to be a possible pathogenic variant. The mother of the proband (Ⅰ2) was a carrier of this site mutation. The clinical and genetic test results of the father and elder brother of the proband were not abnormal. Conclusion:CACNA1F gene c.1761dupC is the pathogenic mutation site of the Schubert-Bornschein type incomplete CSNB family.