18 results on '"He, Shucheng"'
Search Results
2. Artificial Intelligence-Based Quantification of Central Macular Fluid Volume and VA Prediction for Diabetic Macular Edema Using OCT Images
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Ye, Xin, Gao, Kun, He, Shucheng, Zhong, Xiaxing, Shen, Yingjiao, Wang, Yaqi, Shao, Hang, and Shen, Lijun
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- 2023
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3. OIMHS: An Optical Coherence Tomography Image Dataset Based on Macular Hole Manual Segmentation
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Ye, Xin, He, Shucheng, Zhong, Xiaxing, Yu, Jiafeng, Yang, Shangchao, Shen, Yingjiao, Chen, Yiqi, Wang, Yaqi, Huang, Xingru, and Shen, Lijun
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- 2023
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4. Quantitative evaluation of dissociated optic nerve fibre layer (DONFL) following idiopathic macular hole surgery
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Ye, Xin, Xu, Jiahao, He, Shucheng, Wang, Jun, Yang, Jinglei, Tao, Jiwei, Chen, Yiqi, and Shen, Lijun
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- 2023
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5. Morphology and Multi-Gene Phylogeny Reveal a New Species of Family Torulaceae from Yunnan Province, China.
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He, Shucheng, Wei, Deping, Bhunjun, Chitrabhanu S., Jayawardena, Ruvishika S., Thiyagaraja, Vinodhini, Zhao, Qi, Fatimah, Al-Otibi, and Hyde, Kevin D.
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RNA polymerase II , *ELONGATION factors (Biochemistry) , *FUNGI classification , *FUNGI imperfecti , *AQUATIC habitats - Abstract
The Family Torulaceae belongs to the Order Pleosporales (Class Dothideomycetes) and mainly comprises saprobes. The taxa are widely distributed in both terrestrial and aquatic habitats. In this study, we collected three dead leaf specimens of Carex baccans and two submerged wood specimens in Yunnan Province, China. A biphasic approach of morphological examination and multi-locus phylogenetic analyses conducted for internal transcribed spacer region ITS1-5.8S-ITS2 (ITS), nuclear large subunit rDNA (28S), nuclear small subunit rDNA (18S), translation elongation factor 1-α (tef1) gene, and RNA polymerase II second-largest subunit (rpb2) revealed one new species Rutola kunmingensis and a new collection of Torula sundara. Rutola kunmingensis is characterized by black, powdery colonies, micronematous, creeping, reticular conidiophores bearing inconspicuous, monoblastic conidiogenous loci, and multi-septate, catenulate, verruculose, brown conidia. The conidiophores and conidia of each genus in Torulaceae are mapped onto the phylogenetic tree and the generic demarcations of this family are discussed and the significant divergence of ITS, 18S, 28S, rpb2, and tef1 sequences in Torulaceae is also discussed. [ABSTRACT FROM AUTHOR]
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- 2024
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6. Characterizations of Interfacial Solar Water Evaporation.
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Yi, Huan, Wang, Xiaoshuai, Huang, Yijun, He, Shucheng, Cui, Jiao, Wu, Liwei, Feng, Ribao, and Huang, Shaolong
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SOLAR thermal energy ,SEWAGE purification ,GREEN business ,CHEMISTS ,PHYSICISTS - Abstract
Interfacial solar water evaporation has emerged as an effective technique for converting solar energy to thermal energy, which can then be applied to clean water production and sewage treatment. This review discusses the primary characterization techniques used to evaluate the key aspects of interfacial solar water evaporators: the intrinsic and performance evaluation. Each technique is discussed with a brief explanation of its foundations, followed by carefully selected examples. This review is aimed at assisting materials chemists and physicists, particularly students, in choosing the most appropriate techniques for characterizing photothermal materials. [ABSTRACT FROM AUTHOR]
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- 2024
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7. Propagermanium, a CCR2 inhibitor, attenuates cerebral ischemia/reperfusion injury through inhibiting inflammatory response induced by microglia
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He, Shucheng, Liu, Rui, Li, Binbin, Huang, Liangliang, Fan, Wenxiang, Tembachako, Charmaine Ruvimbo, Zheng, Xiaoya, Xiong, Xiaoxing, Miyata, Masaaki, Xu, Baohui, Li, Yunman, and Fang, Weirong
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- 2019
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8. S-oxiracetam ameliorates ischemic stroke induced neuronal apoptosis through up-regulating α7 nAChR and PI3K / Akt / GSK3β signal pathway in rats
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Fan, Wenxiang, Li, Xiang, Huang, Liangliang, He, Shucheng, Xie, Zhicheng, Fu, Yuxin, Fang, Weirong, and Li, Yunman
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- 2018
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9. S-oxiracetam protect against ischemic stroke via alleviating blood brain barrier dysfunction in rats
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Huang, Liangliang, Shang, Erxin, Fan, Wenxiang, Li, Xiang, Li, Binbin, He, Shucheng, Fu, Yuxin, Zhang, Yizhi, Li, Yunman, and Fang, Weirong
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- 2017
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10. Evaluation of the inner retinal layers following traditional and modified ILM peeling surgery using automatic CMDS quantification algorithm.
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Shen, Lijun, Ye, Xin, Wu, Sulan, Yu, Jiafeng, Chen, Huan, Zhang, Shian, Wang, Chenxi, Jiang, Shanshan, Mao, Jianbo, He, Shucheng, Liu, Xingxing, and Chen, Yiqi
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OPTICAL coherence tomography ,PARS plana ,NERVE fibers ,IMAGE processing ,OPHTHALMIC surgery ,ADHESIVE tape - Abstract
Idiopathic macular hole (IMH) is a vitreoretinal disease that causes severe visual impairment, and the pars plana vitrectomy (PPV) combined with internal limiting membrane peeling (ILMP) is the traditional treatment for IMH. Since the dissociated optical nerve fiber layer (DONFL) is observed in the eyes after the surgery, a modified surgery is put forward to minimize the injury. However, the extent to which the modified surgery reduced damage is not clear. A novel automated image processing system was developed in this study to quantify the damage after the surgery, revealing how the modified surgery reduced the DONFL. Optical coherence tomography (OCT) images and visual acuity were collected from 65 eyes that underwent a vitrectomy with traditional and modified ILM peeling procedure at Zhejiang Provincial People's Hospital preoperatively. We found that DONFL occurred in all 65 eyes of both the traditional and modified ILM peeling groups. The concentric macular dark spots (CMDS) were automatically measured by the image processing system. The mean total area of CMDS was smaller in the modified ILM peeling group (0.224 ± 0.110 mm2) than that of the traditional ILM peeling group (0.385 ± 0.237 mm2), and there is a significant difference between the two groups (p <.05). The morphological difference in the temporal quadrant of CMDS between the two surgery technology groups was significant (p <.001). This study will provide a clinical research basis for the improvement of macular hole surgery. [ABSTRACT FROM AUTHOR]
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- 2023
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11. Lesion detection with fine‐grained image categorization for myopic traction maculopathy (MTM) using optical coherence tomography.
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Huang, Xingru, He, Shucheng, Wang, Jun, Yang, Shangchao, Wang, Yaqi, and Ye, Xin
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MACULAR degeneration , *OPTICAL coherence tomography , *RETINAL diseases , *DEEP learning , *CONVOLUTIONAL neural networks , *VISION disorders - Abstract
Background: Myopic traction maculopathy (MTM) are retinal disorder caused by traction force on the macula, which can lead to varying degrees of vision loss in eyes with high myopia. Optical coherence tomography (OCT) is an effective imaging technique for diagnosing, detecting and classifying retinopathy. MTM has been classified into different patterns by OCT, corresponding to different clinical strategies. Purpose: We aimed to engineer a deep learning model that can automatically identify MTM in highly myopic (HM) eyes using OCT images. Methods: A five‐class classification model was developed using 2837 OCT images from 958 HM patients. We adopted a ResNet‐34 architecture to train the model to identify MTM: no MTM (class 0), extra‐foveal maculoschisis (class 1), inner lamellar macular hole (class 2), outer foveoschisis (class 3), and discontinuity or detachment of foveal outer hyperreflective layers (class 4). An independent test set of 604 images from 173 HM patients was used to evaluate the model's performance. Classification performance was assessed according to the area under the curve (AUC), accuracy, sensitivity, specificity. Results: Our model exhibited a high training performance for classification (F1‐score of 0.953; AUCs of 0.961 to 0.998). In test set, it achieved sensitivities (91.67%–97.78 %) and specificities (98.33%–99.17%) as good as, or better than, those of experienced clinicians. Heatmaps were generated to provide visual explanations. Conclusions: We established a deep learning model for MTM classification using OCT images. This model performed equally well or better than retinal specialists and is suitable for large‐scale screening and identifying MTM in HM eyes. [ABSTRACT FROM AUTHOR]
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- 2023
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12. Analysis of Retinal Microstructure in Eyes with Dissociated Optic Nerve Fiber Layer (DONFL) Appearance following Idiopathic Macular Hole Surgery: An Optical Coherence Tomography Study.
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He, Shucheng, Ye, Xin, Qiu, Wangli, Yang, Shangchao, Zhong, Xiaxing, Chen, Yiqi, He, Rui, and Shen, Lijun
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OPTICAL coherence tomography , *NERVE fibers , *OPTIC nerve , *MACULA lutea , *CROSS-sectional imaging , *VISUAL acuity - Abstract
(1) Purpose: This study aimed to evaluate morphological changes of the retina in eyes with dissociated optic nerve fiber layer (DONFL) appearance following internal limiting membrane (ILM) peeling for full-thickness idiopathic macular hole (IMH) on spectral-domain optical coherence tomography (SD-OCT). (2) Methods: We retrospectively analyzed 39 eyes of 39 patients with type 1 macular hole closure after a vitrectomy with ILM peeling procedure at a six-month minimum postoperative follow-up. The retinal thickness maps and cross-sectional OCT images were obtained from a clinical OCT device. The cross-sectional area of the retinal nerve fiber layer (RNFL) on cross-sectional OCT images was manually measured by ImageJ software. (3) Results: The inner retinal layers (IRLs) thickness thinned down much more in the temporal quadrant than in nasal quadrants at 2 and 6 months postoperatively (p < 0.001). However, the cross-sectional area of the RNFL did not change significantly at 2 and 6 months postoperatively (p > 0.05) when compared to preoperative data. In addition, the thinning of the IRL did not correlate with the best-corrected visual acuity (BCVA) at 6 months postoperatively. (4) Conclusions: The thickness of the IRL decreased in eyes with a DONFL appearance after ILM peeling for IMH. The thickness of the IRL decreased more in the temporal retina than in the nasal retina, but the change did not affect BCVA during the 6 months after surgery. [ABSTRACT FROM AUTHOR]
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- 2023
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13. Total glucosides of paeony (TGP) alleviates Sjogren's syndrome through inhibiting inflammatory responses in mice.
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Li, Binbin, Liu, Ge, Liu, Rui, He, Shucheng, Li, Xiang, Huang, Liangliang, Wang, Ziyu, Li, Yunman, Chen, Yongjian, Yin, Hong, and Fang, Weirong
- Abstract
Background: Sjogren's syndrome (SS) is an inflammatory autoimmune disease whose etiology is complicated. Total glucosides of paeony (TGP) has a variety of pharmacological effects.Purpose: To evaluate the therapeutic effects of TGP on SS in mice and anti-inflammatory mechanism.Study Design: SS animal model was developed from C57BL/6J mice through immunological induction (SS mice) and NOD/ShiltJNju (NOD) mice. Inflammatory cytokines and other related indicators were measured.Methods: TGP (720, 360, 180 mg/kg) was intragastrically administered for 6 or 16 weeks for SS mice and NOD mice, respectively. Average food and water intake, average body weight, saliva flow, submandibular gland (SMG) and spleen index, and SMG pathology were measured. ELISA was used to evaluate serum inflammatory cytokines in SS mice and autoantigens in NOD mice. Real-time PCR, Western blot and Luminex liquid suspension chip assay were applied to analyze SMG inflammatory cytokines mRNA and protein expression of NOD mice.Results: Compared with SS mice, TGP treatment improved SMG pathological damage. TGP (720 mg/kg) treatment increased saliva flow, and reduced organ indexes and serum IL-6 and IFN-γ concentration. TGP (360 mg/kg) treatment decreased serum IFN-γ concentration. TGP (180 mg/kg) treatment for 6 weeks decreased average body weight. Compared with NOD mice, TGP treatment increased saliva flow from 9 to 15 weeks, decreased body weight, and alleviated pathological damage of SMG after 2 and 16 weeks. After 2 weeks of administration, TGP treatment inhibited serum concentration of SSB/La, SSA/Ro and α-fodrin, decreased TNF-α, IL-1β and IFN-γ in SMG, and down-regulated protein expressions of BAFF and IL-17A and mRNA expressions of BAFF, TNF-α, IL-17A, CXCL9 and CXCL13 in SMG. After 8 weeks of administration, TGP treatment decreased the concentration of α-fodrin in serum, TNF-α and IL-6 in SMG, and down-regulated mRNA expressions of IL-17A, TNF-α, CXCL9, CXCL13 and BAFF and protein expressions of IL-17A and BAFF in SMG. After 16 weeks of administration, TGP treatment reduced serum SSA/Ro, SSB/La and α-fodrin concentration, and decreased BAFF protein expression and TNF-α, CXCL9, CXCL13, IL-17A, and BAFF mRNA expressions.Conclusion: TGP has a certain therapeutic effect on SS mice and NOD mice through inhibiting inflammatory responses. [ABSTRACT FROM AUTHOR]- Published
- 2020
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14. Total glucosides of paeony attenuates animal psoriasis induced inflammatory response through inhibiting STAT1 and STAT3 phosphorylation.
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Li, Binbin, He, Shucheng, Liu, Rui, Huang, Liangliang, Liu, Ge, Wang, Ruixuan, Yang, Zhuoyue, Liu, Xinyi, Leng, Ye, Liu, Dan, Ye, Chengyu, Li, Yunman, Chen, Yongjian, Yin, Hong, and Fang, Weirong
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CELL proliferation , *ANIMAL experimentation , *CARRIER proteins , *CELL differentiation , *CELLULAR signal transduction , *CYTOKINES , *ENZYME-linked immunosorbent assay , *GLYCOSIDES , *IMMUNOHISTOCHEMISTRY , *INTERLEUKINS , *MESSENGER RNA , *MICE , *PHOSPHORYLATION , *POLYMERASE chain reaction , *PSORIASIS , *STAINS & staining (Microscopy) , *SWINE , *TUMOR necrosis factors , *WESTERN immunoblotting , *PLANT extracts , *REVERSE transcriptase polymerase chain reaction , *CHEMICAL inhibitors - Abstract
Psoriasis is an immune system meditated disease, especially T cells. It disturbed many people around the world and hard to therapy. Paeonia lactiflora Pall has been used as a medicine in china for thousands of years. Recent studies found that the main component of Paeonia lactiflora Pall can alleviates the immune response in many diseases. In this study, we researched the effects and possible mechanisms of total glucosides of paeony (TGP) on animal psoriasis. To study the therapeutic effects and mechanisms of TGP in 5% propranolol cream-induced psoriasis in guinea pigs and Imiquimod (IMQ) cream-induced psoriasis in mice. The effect of TGP was evaluated using a psoriasis-like model of guinea pigs and mice. Ear thickness was accessed, and pathology injury was observed by H&E staining. The levels of serum IL-1β, IL-6, IL-12, IL-17, IL-23, TNF-α, and IFN-γ, skin IL-17A, IL-22 and orphan nuclear receptor (RORγt) mRNA expression, proliferating cell nuclear antigen (PCNA), total or phosphorylated signal transducers and activators of transcription (STAT1, STAT3) were determined by enzyme linked immunosorbent assays (ELISAs), real time PCR, immunohistochemical staining, and western blotting, respectively. Compared with model group, TGP treatment decreased the ear thickness, improved pathology of psoriasis, alleviated IMQ-induced keratinocyte proliferation, reduced the inflammatory cytokine, and downregulated IL-17A, IL-22, and RORγt mRNA in mice. Further study indicated that TGP inhibited STAT1 and STAT3 phosphorylation in lesion skins of psoriasis-like mice. TGP alleviates the symptoms of psoriasis-like guinea pigs and mice, and the possible mechanism may relate to inhibit T helper 17 (TH17) cell differentiation and keratinocytes proliferation by inhibiting STAT1 and STAT3 phosphorylation. Image 1 [ABSTRACT FROM AUTHOR]
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- 2019
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15. XQ-1H protects against ischemic stroke by regulating microglia polarization through PPARγ pathway in mice.
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Liu, Rui, Diao, Junjian, He, Shucheng, Li, Binbin, Fei, Yuxiang, Li, Yunman, and Fang, Weirong
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STROKE treatment , *CORONARY disease , *MICROGLIA , *CORONARY heart disease treatment , *TREATMENT of reperfusion injuries , *GENE therapy , *PHYSIOLOGY - Abstract
Cerebral ischemic and reperfusion injury often accompany with inflammation, and lead to severe neuronal damage, which further result in neurological disorders and memory disorders. In this study, we researched XQ-1H, a novel derivative of ginkgolide B, protecting against ischemic stroke in mice through regulation of microglia polarization. Middle cerebral artery occlusion (MCAO)/reperfusion in mice is applied to mimic ischemic stroke in vivo. Immediately after MCAO, mice are intragastric administrated with different dose (31 or 62 mg/kg) of XQ-1H for one or continuative three days. The in vivo experiments indicated that post-treatment with XQ-1H decreased cerebral infarction size, lessened brain edema, improved behavior and memory recover, inhibited pro-inflammatory and promoted anti-inflammatory cytokines expression and releasing in MCAO mice. Oxygen-glucose deprivation/reoxygenation (OGD/R) injury in BV-2 (microglia) cells is served in vitro. The in vitro findings revealed that incubation with XQ-1H protected against BV2 from OGD/R injury, regulated BV2 polarized from pro-inflammatory into anti-inflammatory phenotype, and promoted PPARγ mobilizing from nuclear to cytoplasm. In conclusion, the present study demonstrates that XQ-1H alleviated ischemic stroke by regulating balance of pro-/anti-inflammatory microglia polarization through PPARγ pathway both in vivo and in vitro, offering an alternative medication for stroke associated with inflammation. [ABSTRACT FROM AUTHOR]
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- 2018
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16. Association of sex with the global burden of vision impairment caused by neonatal preterm birth: An analysis from the global burden of disease study 2019.
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Ye X, Wang J, Zhong X, Qiu W, Yang S, He S, Lou L, and Shen L
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- Adult, Aged, Female, Global Burden of Disease, Global Health, Humans, Infant, Newborn, Male, Middle Aged, Quality-Adjusted Life Years, Disabled Persons, Premature Birth epidemiology
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Aims: To investigate the sex-specific global burden of neonatal preterm birth (NPB) vision impairment by year, age, and socioeconomic status using years lived with disability (YLDs)., Methods: The global, regional, and national sex-specific YLD numbers, crude YLD rates, and age-standardized YLD rates of NPB-related moderate and severe vision loss and blindness were obtained from the Global Burden of Disease Study 2019. The Wilcoxon test and linear regression were used to investigate the relationship between sex difference in age-standardized YLD rates and the Human Development Index (HDI)., Results: Between 1990 and 2019, the gender disparity in age-standardized YLD rates for NPB-related vision impairment remained stable, increasing from 10.2 [95% uncertainty interval (UI) 6.7-14.6] to 10.4 (95% UI 6.9-15.0) for men and 10.3 (95% UI 6.8-14.7) to 10.7 (95% UI 7.2-15.1) for women, with women consistently having higher age-standardized YLD rates. Between the ages of 25 and 75, women had higher YLD rates than males, with the biggest disparity in the 60-64 age group. In 2019, sex difference in age-standardized YLD rates across 195 nations was statistically significant. Women had higher age-standardized YLD rates than men in both low ( Z = -3.53, p < 0.001 ) and very high HDI countries ( Z = -4.75, p < 0.001). Additionally, age-standardized YLD rates were found to be adversely associated with HDI (male: Standardized β = -0.435, female: Standardized β = -0.440; p < 0.001)., Conclusion: Despite advancements in worldwide NPB health care, sexual differences in NPB-related vision impairment burden showed little change. Female had higher burden than male, particularly in low and very high socioeconomic status countries., Competing Interests: The authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest., (Copyright © 2022 Ye, Wang, Zhong, Qiu, Yang, He, Lou and Shen.)
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- 2022
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17. Automatic Screening and Identifying Myopic Maculopathy on Optical Coherence Tomography Images Using Deep Learning.
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Ye X, Wang J, Chen Y, Lv Z, He S, Mao J, Xu J, and Shen L
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- Artificial Intelligence, Humans, Tomography, Optical Coherence, Deep Learning, Macular Degeneration, Myopia
- Abstract
Purpose: The purpose of this study was to engineer deep learning (DL) models that can identify myopic maculopathy in patients with high myopia based on optical coherence tomography (OCT) images., Methods: An artificial intelligence (AI) system was developed using 2342 qualified OCT macular images from 1041 patients with pathologic myopia admitted to the Affiliated Eye Hospital of Wenzhou Medical University (WMU). We adopted an ResNeSt101 architecture to train five independent models to identify the following five myopic maculopathies: macular choroidal thinning, macular Bruch membrane (BM) defects, subretinal hyper-reflective material (SHRM), myopic traction maculopathy (MTM), and dome-shaped macula (DSM). We tested the models with an independent test dataset that included 450 images obtained from 297 patients with high myopia. Focal loss was used to address class imbalance, and optimal operating thresholds were determined according to the Youden Index. The performance was quantified using the area under the receiver operating characteristic (AUC), sensitivity, specificity, and confusion matrix., Results: For the identification of myopic maculopathy, the AUCs of receiver operating characteristic (ROC) curves were 0.927 to 0.974 for 5 myopic maculopathies. Our AI system achieved sensitivities equal to or even better than those of junior retinal specialists (56.16-99.73%). The diagnosis of it is also interpretable that we provide visual explanations clearly via heatmaps., Conclusions: We developed a convolutional neural network (CNN)-based DL AI system for detection and classification of myopic maculopathy in patients with high myopia using OCT macular images. Our AI system achieved sensitivities equal to or even better than those of junior retinal specialists., Translational Relevance: This AI system can be widely applied in sophisticated situations in large-scale high myopia screening.
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- 2021
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18. CCR2-dependent monocytes/macrophages exacerbate acute brain injury but promote functional recovery after ischemic stroke in mice.
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Fang W, Zhai X, Han D, Xiong X, Wang T, Zeng X, He S, Liu R, Miyata M, Xu B, and Zhao H
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- Animals, Disease Models, Animal, Germanium, Immunologic Factors administration & dosage, Mice, Mice, Knockout, Organometallic Compounds administration & dosage, Propionates, Receptors, CCR2 deficiency, Brain Injuries physiopathology, Brain Ischemia pathology, Macrophages immunology, Monocytes immunology, Receptors, CCR2 metabolism, Recovery of Function, Stroke pathology
- Abstract
Rationale: Peripheral blood monocytes are recruited into the ischemic brain and transform into macrophages after stroke. Nevertheless, the exact role of CCR2-dependent monocytes/macrophages in brain injury after stroke remains elusive. Methods: We used CCR2 knockout (KO) mice and the CCR2 pharmacological inhibitor, propagermanium (PG), to address the role of CCR2-dependent monocytes/macrophages in the acute stage and neurological functional recovery after middle cerebral artery (MCA) occlusion and reperfusion. Results: CCR2 KO resulted in smaller infarct size and lower mortality than in wild type (WT) mice, when measured 3 days after stroke. However, from 5 to 28 days after stroke, the KO mice had higher mortality and showed no obvious neurological functional recovery. In addition, WT mice treated with PG had similar stroke outcomes compared with CCR2 KO, as measured by T2 weighted MRI. Flow cytometry and real-time PCR analyses suggest that monocyte-derived macrophages (MoDMs) in the stroke brains mainly polarized to pro-inflammatory macrophages at the early stage, but gradually switched to anti-inflammatory macrophages at 7 days after stroke. In addition, adoptive transfer of anti-inflammatory macrophages into CCR2 KO mice at 4 and 6 days after stroke alleviated mortality and promoted neurological recovery. Conclusion: CCR2-dependent monocytes/macrophages are a double-edged sword; they worsen acute brain injury, but are essential for neurological recovery by promoting anti-inflammatory macrophage polarization., Competing Interests: Competing Interests: The authors have declared that no competing interest exists.
- Published
- 2018
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