1.Advances in diffuse optical technology lenses for myopia control
Kun HE ; Bingxin PAN ; Suyun YANG ; Zhiyang HE ; Mengting ZHENG ; Meiling SHU ; Pengfei JIANG ; Shan XU ; Pengfei TIAN
International Eye Science 2025;25(9):1476-1483
Recent years have witnessed significant advancements in myopia control research through the application of diffuse optical technology(DOT)spectacle lenses. Myopia has emerged as a global public health challenge, affecting nearly half of the world's population, with childhood and adolescent myopia rates continuing to rise. DOT lenses represent an innovative myopia control intervention based on retinal contrast signal theory. These lenses incorporate micro-light scattering dots distributed across the lens surface to reduce retinal imaging contrast and modulate the influence of visual input on axial elongation, thereby slowing myopia progression. The core mechanism operates through refractive index differences between the lens substrate(1.53)and scattering dots(1.50), which generate optical scattering effects. This design maintains clear vision through a central 5 mm optical zone while effectively reducing contrast signal intensity in the peripheral retina. Large-scale randomized controlled trials, including the CYPRESS study, have demonstrated significant myopia control efficacy in children aged 6-10 years: 12-month follow-up data revealed a 74% reduction in myopia progression and a 50% reduction in axial elongation, with sustained safety and visual quality maintained over 4-year long-term follow-up. However, several aspects of DOT technology remain contentious and require further clinical validation, including its applicability across different age groups, optimal scattering dot density configurations, combined application effects with other myopia control methods, and long-term visual adaptation during extended use. This review systematically examines the theoretical foundations, design characteristics, clinical application progress, and future development directions of DOT technology, providing scientific evidence for clinical myopia prevention and control strategy formulation.
3.Osteomodulin modulates the inflammatory responses via the interleukin-1 receptor 1/nuclear factor-κB signaling pathway in dental pulpitis.
Yueyi YANG ; Xuchen HU ; Meiling JING ; Xiaohan ZHU ; Xiaoyu LIU ; Wenduo TAN ; Zhanyi CHEN ; Chenguang NIU ; Zhengwei HUANG
International Journal of Oral Science 2025;17(1):41-41
Pulpitis is a common infective oral disease in clinical situations. The regulatory mechanisms of immune defense in pulpitis are still being investigated. Osteomodulin (OMD) is a small leucine-rich proteoglycan family member distributed in bones and teeth. It is a bioactive protein that promotes osteogenesis and suppresses the apoptosis of human dental pulp stem cells (hDPSCs). In this study, the role of OMD in pulpitis and the OMD-induced regulatory mechanism were investigated. The OMD expression in normal and inflamed human pulp tissues was detected via immunofluorescence staining. Intriguingly, the OMD expression decreased in the inflammatory infiltration area of pulpitis specimens. The cellular experiments demonstrated that recombined human OMD could resist the detrimental effects of lipopolysaccharide (LPS)-induced inflammation. A conditional Omd knockout mouse model with pulpal inflammation was established. LPS-induced inflammatory impairment significantly increased in conditional Omd knockout mice, whereas OMD administration exhibited a protective effect against pulpitis. Mechanistically, the transcriptome alterations of OMD overexpression showed significant enrichment in the nuclear factor-κB (NF-κB) signaling pathway. Interleukin-1 receptor 1 (IL1R1), a vital membrane receptor activating the NF-κB pathway, was significantly downregulated in OMD-overexpressing hDPSCs. Additionally, the interaction between OMD and IL1R1 was verified using co-immunoprecipitation and molecular docking. In vivo, excessive pulpal inflammation in Omd-deficient mice was rescued using an IL1R antagonist. Overall, OMD played a protective role in the inflammatory response via the IL1R1/NF-κB signaling pathway. OMD may optimize the immunomodulatory functions of hDPSCs and can be used for regenerative endodontics.
Pulpitis/metabolism*
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NF-kappa B/metabolism*
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Animals
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Signal Transduction
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Humans
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Mice
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Mice, Knockout
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Dental Pulp/metabolism*
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Disease Models, Animal
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Lipopolysaccharides
4.Effect of blended mindfulness intervention on stigma and self-esteem in stable schizophrenia patients
Dandan LIU ; Jiali DAI ; Haina WANG ; Meiling WEN ; Yang ZHANG ; Hongsheng BI
Sichuan Mental Health 2024;37(5):414-419
Background Schizophrenia patients often face high level of stigma and low level of self-esteem,significantly hindering their recovery.Mindfulness-based intervention has proven be effective in reducing stigma and improving self-esteem.However,traditional mindfulness intervention typically involve high costs and require long-term professional involvement.Objective To explore the effects of blended mindfulness interventions on stigma and self-esteem in patients with stable schizophrenia,so as to provide references for reducing stigma,enhancing self-esteem and promoting recovery.Methods Patients receiving outpatient treatment at the Third Hospital of Daqing from June 2022 to January 2023,who met the diagnostic criteria for schizophrenia in the International Classification of Diseases,tenth edition(ICD-10)and were in a stable phase,were recruited for the study(n=84).According to the random number table method,participants were randomly assigned to study group and control group,with 42 cases in each group.Both groups received treatment with the second-generation antipsychotic medications,while the study group additionally received blended mindfulness intervention for 8 weeks,with sessions lasting 45~60 minutes,three times a week.Both groups were evaluated with Five Facet Mindfulness Questionnaire(FFMQ),Internalized Stigma of Mental Illness Inventory(ISMI)and Rosenberg Self-Esteem Scale(RSES)at baseline and after 8-week intervention.Covariance analysis was used to compare the FFMQ,ISMI and SES scores between two groups after 8-week intervention.Results After 8-week intervention,there were statistically significant differences between two groups in total FFMQ scores,as well as in the observation,acting with awareness,non-judgment and non-reactivity subscale scores(F=50.680,12.952,13.567,22.799,14.043,P<0.01).Statistically significant differences were observed in total ISMI scores,and in the alienation,stereotype endorsement,discrimination experience,stigma resistance and social withdrawal subscale scores(F=513.125,148.990,125.055,75.996,154.850,54.125,P<0.01).The difference in RSES scores between two groups was also statistically significant(F=19.478,P<0.01).Conclusion Blended mindfulness intervention may help improve the mindfulness and self-esteem in stable schizophrenia patients while reducing stigma.
5.Mechanism of Wendan decoction in preventing obesity by regulating multiple signal pathway networks based on gene promoter methylation
Haiyan Yang ; Meiling Ren ; Ziting Wu ; Jinchao Li ; Ping Wang
Journal of Traditional Chinese Medical Sciences 2024;11(1):93-100
Objective:
To investigate the potential mechanism of Wendan decoction in obesity by screening target genes with promoter region methylation changes and constructing a multiple signaling pathways network based on promoter methylation.
Methods:
The methylation degree of Itgad, Col8a1, Adra2b, Jund, Rab2a, Wnt8b, Fzd9, B4galt7, Pik3cd, Creb1, Stard8, and Mmp1 in the abdominal adipose tissue of obese rats was determined using the Agena MassARRAY system. Western blot was performed to assess protein expression levels. Target genes were identified based on the methylation degree in the promoter region and protein expression. Enrichment analysis of signaling pathways was conducted to identify relevant target genes and obtain a multiple signaling pathway network associated with obesity. Core and terminal effector molecules in the pathway networks were selected as research targets for reverse transcription-polymerase chain reaction (RT-PCR) analysis.
Results:
Four genes (Adra2b, Creb1, Itgad, and Pik3cd) showed a degree of promoter methylation consistent with their respective protein expression levels. Among them, Adra2b, Creb1, and Pik3cd expression increased, while that of Itgad decreased. Enrichment analysis revealed that Creb1 and Pik3cd were involved in 6 signaling pathways related to obesity: tumor necrosis factor (TNF) signaling pathway, growth hormone synthesis/secretion and action, adenosine 5′-monophosphate-activated protein kinase (AMPK) signaling pathway, relaxin signaling pathway, cyclic nucleotide (cAMP) signaling pathway, and phosphatidylinositol 3-kinase/protein kinase B (PI3K/Akt) signaling pathway. Subsequently, a multiple signaling pathways network was constructed based on promoter methylation. Key molecules including protein kinase B (AKT), mechanistic target of rapamycin complex 1 (mTORC1), and unc-51 like autophagy activating kinase 1 (ULK1), as well as terminal effector molecules interleukin-1β (IL-1β), interleukin-6 (IL-6), and chemokine (C-X-C motif) ligand 2 (CXCL2) were selected as research targets. Wendan decoction decreased the expressions of AKT, mTORC1, IL-1β, IL-6, and CXCL2 while up-regulating ULK1 expression.
Conclusion
The mechanism of Wendan decoction in preventing obesity involves the regulation of multiple signaling pathways through the control of Creb1 and Pik3cd gene promoter methylation. However, the associated multi-path gene regulation mechanism in preventing obesity is complex. Thus, further exploration is needed to elucidate the role of methylation changes in this mechanism.
6.Establishment of rapid influenza virus detection technology based on an integrated system
Xiaoshan ZHANG ; Jing MA ; Yanzhe HAO ; Jing YANG ; Meiling HOU ; Hongxia LI ; Jingduan LIU ; Haodi MENG ; Yuxi CAO ; Xiaoguang ZHANG
Chinese Journal of Experimental and Clinical Virology 2024;38(3):319-325
Objective:This study aimed to develop a rapid and accurate integrated nucleic acid detection method tailored for the influenza virus.Methods:We designed primers and probes targeting the predominant influenza virus strains circulating in China in recent years. These were integrated with extraction and amplification reagents and a point of care testing (POCT) system to facilitate a seamless and expedited process involving nucleic acid extraction, reaction system preparation, amplification, and result interpretation for the influenza virus. The specificity of the POCT system was evaluated using cultured influenza viruses, while its cross-reactivity was assessed against common respiratory pathogens, including adenovirus and respiratory syncytial virus.Results:Our study successfully developed duplex amplification primers and probes for both influenza A and B viruses, achieving a detection threshold as low as 500 copies/ml. Specificity tests confirmed that the detection reagents did not show cross-reactivity with other respiratory pathogens such as adenovirus and respiratory syncytial virus. The POCT-based rapid nucleic acid detection method for influenza virus was established, it is capable of completing the entire process from nucleic acid extraction to amplification and result interpretation within 50 minutes, while enabling real-time data upload.Conclusions:The POCT-based rapid influenza virus detection kit developed in this study offers a " sample in, results out" convenience, making it suitable for rapid influenza virus detection in primary care settings. This innovation has significant potential for clinical application.
7.Clinicopathological characteristics of primary bladder mucosal-associated lymphoid tissue extranodal marginal zone lymphoma: analysis of 9 cases
Dage FAN ; Haijian HUANG ; Meiling ZHENG ; Jianrui ZHENG ; Yonghe WU ; Yubin YANG ; Songling ZHENG ; Chunlin WU
Journal of Leukemia & Lymphoma 2024;33(8):466-471
Objective:To explore the clinicopathological characteristics of primary bladder mucosal-associated lymphoid tissue extranodal marginal zone lymphoma (MALToma).Methods:A retrospective case series study was conducted. The clinicopathological data of 9 primary bladder MALToma patients diagnosed and underwent transurethral resection of bladder tumors at the Fujian Provincial Hospital, Zhangzhou Municipal Hospital, Mindong Hospital of Ningde City, Zhangzhou Second Hospital and Fuzhou Taijiang Hospital from December 2008 to December 2021 were collected. Paraffin-embedded surgical specimens were collected for HE staining, immunohistochemical staining and genetic testing, the clinicopathological characteristics of patients were summarized, and the literature was reviewed.Results:Of the 9 cases, 8 were female and 1 was male, the age was (59± 11) years old (range: 39-74 years old). Two cases had 3 lesions, 3 cases had 2 lesions, and 4 cases had single lesion. The maximum diameter of the mass was (3.2±1.9) cm (range: 0.3-7.0 cm). The follow-up time was 6-127 months, 4 cases lost to follow-up, 4 cases were disease-free survival, and 1 case was survival with tumor. Pathomorphologically, the bladder tissue consisted of diffusely infiltrating small-to-medium sized lymphocytes, with moderate amounts of pale-staining cytoplasm, without obvious nucleoli, some of them were translucent, and the mitosis was rare. Large cell proliferation in some areas was observed in 1 case, with prominent nucleoli and mitotic figures. Tumor cells in all 9 patients expressed CD20; bcl-2, CD43 and CD38 were positive in some cells in 4 cases, and CD138 was positive in a few cells in 2 cases; κ was positive in 4 cases, and scattered positive in 5 cases; λ was positive in 4 cases, and scattered positive in 5 cases. B-cell receptor gene clonal rearrangement was positive in all 8 cases who underwent the assay. No break-apart signal was observed in all 6 cases who underwent the fluorescence in situ hybridization assay with MALT1 gene segregation probe.Conclusions:Primary bladder MALToma is a rare low-grade B-cell lymphoma that is more commonly found in elderly women. There is no abnormal change in MALT1 gene.
8.Clinicopathological features of pulmonary mucosa-associated lymphoid tissue lymphoma: analysis of 41 cases
Hui YANG ; Haijian HUANG ; Baicheng LI ; Meiling ZHENG ; Zaifeng LI ; Zhi YANG ; Xin CHEN ; Zhaohui LU
Journal of Leukemia & Lymphoma 2024;33(11):664-670
Objective:To investigate the clinicopathological features of pulmonary mucosa-associated lymphoid tissue lymphoma (MALToma).Methods:A retrospective case series study was conducted. A total of 41 cases of pulmonary MALToma who were admitted to multiple centers from April 2002 to August 2023 were collected, including 33 cases from Fujian Provincial Hospital, 5 cases from Binzhou People's Hospital, 1 case from the Second Hospital of Zhangzhou, 1 case from the People's Hospital Affiliated to Fujian University of Traditional Chinese Medicine, and 1 case from Jinjiang Hospital. The results of pathological morphological examination, immunohistochemical examination and genetic testing of patients were summarized, their clinicopathological characteristics were analyzed, and the relevant literature was reviewed.Results:Among the 41 patients, there were 24 males and 17 females, aged (58±13) years (range: 36-81 years). The longest diameter of the tumor under the gross macroscopic examination was (2.8±2.0) cm, with a range of 0.8-9.7 cm. Under the microscope, diffuse, flakelike and nodular patterns of lymphoid tissue were seen in the lung tissue with small- to medium-sized lymphoid cells including small lymphocytes, centrocyte-like cells, mononuclear cells and plasma cells. A small number of activated cells were noted, and the lymphoid cells grew along the alveoli. In some areas, the lymphoid cells invaded the bronchi, and lymphatic follicular implantation was rare; 1 case was accompanied by large cell transformation. Tumor cells expressed CD20, Pax-5, bcl-2, and CD43, with Ki-67 proliferation index of 2%-20%, and 50% in some areas of 1 case. The positive rate of clonal B-cell receptor gene rearrangement was 100.00% (29/29); the positive rate of MALT1 gene was 18.75% (3/16), and the positive rate of API2-MALT1 fusion was 66.67% (2/3). The treatment methods included surgery, anti-inflammatory therapy, radiotherapy, and chemotherapy. Follow-up for 4-143 months showed that 43.90% (18/41) had disease-free survival, 21.95% (9/41) had tumor bearing survival, 9.76% (4/41) died, and 24.39%, (10/41) were lost to follow-up. The progression-free survival of patients aged ≥ 60 years was worse than that of patients aged < 60 years ( χ2 = 5.39, P = 0.020). Conclusions:Pulmonary MALToma belongs to indolent B-cell lymphoma, and its diagnosis requires a combination of clinical imaging, pathology and immunophenotyping. If necessary, genetic testing can be used to assist in the diagnosis. The differential diagnosis should be made from pneumonia, low-grade B-cell lymphoma, and extrapulmonary MALToma with lung involvement. The treatment methods include anti-inflammatory therapy, surgical resection and chemotherapy, and the prognosis is good.
9.Clinical efficacy and safety of amlodipine besylate and benazepril hydrochloride tablets (II) in the treatment of primary hypertension
Min ZHANG ; Na ZHOU ; Xiufeng LIU ; Qunqun YU ; Guangping CHEN ; Meiling XIE ; Meihua LIU ; Xiang YANG ; Yali CHEN
Chinese Journal of Primary Medicine and Pharmacy 2024;31(5):691-695
Objective:To investigate the clinical efficacy and safety of amlodipine besylate and benazepril hydrochloride tablets (II) in the treatment of primary hypertension.Methods:A total of 280 patients with primary hypertension who were treated at Shougang Shuigang Hospital between June 2022 and June 2023 were selected as study subjects. A clinical case-control study was conducted, and the RAND function method was utilized to randomly allocate the subjects into four groups, each receiving a different treatment: amlodipine besylate group (Group A, n = 70), benazepril hydrochloride group (Group B, n = 70), compound formulation amlodipine besylate and benazepril hydrochloride tablets group (Group C, n = 71), and amlodipine besylate plus benazepril hydrochloride group (Group D, n = 69). Relevant therapeutic indicators (blood pressure compliance rate, changes in blood pressure values) and safety indicators (adverse reactions, medication adherence) were observed. Results:The blood pressure compliance rates of Group C and Group D were 91.5% (65/71) and 89.9% (62/69), respectively. There was no statistically significant difference between the two groups ( χ2 = 1.24, P = 0.143), but both were higher than the rates of 77.1% (54/70) and 74.3% (52/70) in Group A and Group B, respectively ( χ2 = 5.68, 4.86, P = 0.004, 0.012). Before treatment, there was no statistically significant difference in systolic and diastolic blood pressure among the four groups of patients (all P > 0.05). After treatment, there was a statistically significant decrease in both systolic and diastolic blood pressure among the four groups compared with their pre-treatment levels (all P < 0.05). Specifically, Group C and Group D exhibited significant reductions in blood pressure following treatment ( t = 4.35, 5.12, 7.25, 5.86, all P < 0.05). Meanwhile, there was no statistically significant difference in systolic blood pressure between Group C and Group D after treatment ( P > 0.05), while diastolic blood pressure was lower in Group C than Group D after treatment ( t = 6.01, P < 0.05). There was a significant downward trend observed in total cholesterol, triglycerides, and low-density lipoprotein cholesterol levels (all P < 0.05). Notably, Group B and Group D reported higher incidences of dry cough, with 15 and 10 cases, respectively, compared with Group A and Group C, which had 1 and 3 cases, respectively. These differences were statistically significant ( χ2 = 4.25, 5.04, both P < 0.05). Furthermore, the treatment compliance rates for Group A, Group B, and Group C were 72.9% (51/70), 71.4% (50/70), and 74.6% (53/71), respectively, all exceeding the 46.4% (32/69) compliance rate of Group D. These differences were also statistically significant ( χ2 = 4.68, 5.24, 4.98, all P < 0.05). Conclusion:The clinical efficacy and safety of the compound formulation amlodipine besylate and benazepril hydrochloride tablets (II) in the treatment of primary hypertension are superior to those of single tablets and combination therapy.
10.Construction of an evaluation index system for clinical practice bases of nursing graduate students majoring in midwifery from a practical perspective
Xuqian SHEN ; Yufang GAO ; Lei SONG ; Meiling YUAN ; Rui YANG ; Zitong JI ; Longlong WANG
Chinese Journal of Modern Nursing 2024;30(1):55-62
Objective:To establish a comprehensive and detailed evaluation index system for clinical practice bases of nursing graduate students majoring in midwifery, providing reference for promoting the construction of clinical practice bases for nursing graduate students majoring in midwifery in China.Methods:Based on the theoretical framework of international midwifery practice basic skills, an evaluation index system for clinical practice bases of nursing graduate students majoring in midwifery was established through literature analysis and Delphi method. Analytic hierarchy process was used to calculate the weights of indicators at all levels.Results:This study conducted two rounds of consultation with 20 experts. In the two rounds of consultation, the positivity coefficients of experts were 84.38% and 74.07%, and the authority coefficients of the expert groups were 0.91 and 0.94, respectively. The total Cronbach's α coefficients of the index system were 0.930 and 0.965, respectively, and the Kendall harmony coefficients of the overall indicators were 0.230 and 0.297 ( P<0.01). The final evaluation index system for clinical practice bases of nursing graduate students majoring in midwifery included five primary indicators, 14 secondary indicators, and 76 connotation indicators. Conclusions:Based on the service purpose of maternal and child health and the functional positioning of the base, this study constructs a scientific and reliable evaluation index system for clinical practice bases of nursing graduate students majoring in midwifery.


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