1.Concordance and pathogenicity of copy number variants detected by non-invasive prenatal screening in 38,611 pregnant women without fetal structural abnormalities.
Yunyun LIU ; Jing WANG ; Ling WANG ; Lin CHEN ; Dan XIE ; Li WANG ; Sha LIU ; Jianlong LIU ; Ting BAI ; Xiaosha JING ; Cechuan DENG ; Tianyu XIA ; Jing CHENG ; Lingling XING ; Xiang WEI ; Yuan LUO ; Quanfang ZHOU ; Ling LIU ; Qian ZHU ; Hongqian LIU
Chinese Medical Journal 2025;138(4):499-501
2.Pulmonary surfactant-biomimetic membranized coacervate injection for acute respiratory distress syndrome therapy.
Wei CHEN ; Qi XIE ; Zhanhao ZHOU ; Jia KANG ; Yuan GAO ; Haoyu ZHANG ; Samira BATUR ; Chuansheng FU ; Yunyun LI ; Conglian YANG ; Li KONG ; Zhiping ZHANG
Acta Pharmaceutica Sinica B 2025;15(11):5945-5965
Acute respiratory distress syndrome (ARDS) is the leading cause of respiratory failure with high morbidity and mortality. Pulmonary surfactant (PS)-based complementary therapies have exhibited potential for ARDS healing and applied as an adjunctive therapy strategy. Coacervate (Coac) has the characteristics of softness, deformability and excellent molecular enrichment properties, and has attracted extensive attention in the biomedical field. Here PS and coacervate were combined for the potential ARDS treatment. The Coac, fabricated from polyallylamine hydrochloride (PAH) and adenosine triphosphate (ATP) by simple mixing, exhibited soft droplet property and high enrichment for dexamethasone sodium phosphate (DSP). To avoid the fusion effect of membraneless coacervate and endow it with biological functions of PS, liposomes with PS-biomimetic lipid components (PS-lipo) were further introduced to construct PS-biomimetic membranized coacervate (DSP@PS-Coac). The DSP@PS-Coac demonstrated high lung targeting effect and significant penetration efficiency after intravenous injection. Furthermore, PS-lipo replenished the endogenous PS pool and facilitated the distribution of DSP in inflammatory cells in the lung. In the ARDS mouse model, PS-Coac and DSP exerted synergetic anti-inflammatory functions, via reducing the recruitment of inflammatory neutrophils and modulating macrophages into anti-inflammatory phenotype. The overall results confirmed that DSP@PS-Coac may provide a promising delivery option for the treatment of ARDS.
3.The peptide toxin components and nucleotide metabolites in Macrothele raveni venom synergistically inhibit cancer cell proliferation by activating the pro-apoptotic pathways.
Ting XIE ; Yunyun WANG ; Ting GUO ; Chunhua YUAN
Journal of Southern Medical University 2025;45(7):1460-1470
OBJECTIVES:
To evaluate the inhibitory effect of Macrothele raveni crude venom against proliferation of different cancer cells and identify the active components in the venom.
METHODS:
Different cancer cell lines were treated with different concentrations of Macrothele raveni venom for 48 h, and cell proliferation and the half-maximal inhibitory concentrations (IC50) of the venom were assessed with CCK-8 assay. The apoptosis rate of breast cancer MCF7 cells following the treatment was analyzed with flow cytometry, and the changes in cellular caspase-8 and caspase-9 expressions were detected. The crude venom was separated into protein, peptide, and small-molecule compound fractions using gel filtration chromatography and high-performance liquid chromatography (HPLC). The protein and peptide components were identified using proteomics analysis, and small-molecule compounds were structurally characterized using nuclear magnetic resonance (NMR), mass spectrometry (MS), and HPLC.
RESULTS
The crude venom exhibited strong concentration-dependent inhibitory effects on proliferation of MCF7 cells and nasopharyngeal carcinoma SUNE1 and HONE1 cells (IC50 of 2.14±0.29, 1.57±0.14, and 2.85±0.15 µg/mL, respectively), with less potent inhibitory effects in gastric cancer HGC27 cells and colorectal cancer SW620 cells (IC50 of 3.02±0.27 and 3.02±0.28 µg/mL, respectively). The crude venom significantly promoted MCF7 cell apoptosis likely via the caspase 8 signaling pathway. The protein fraction from the crude venom showed a weak inhibitory effect in MCF7 cells, whereas the peptide fraction exhibited a much stronger inhibitory effect (IC50 of 6.41±0.31 µg/mL). The peptides in the peptide fraction, with relative molecular mass around 10 000, were homologous to those found in Macrothele gigas venom. The small-molecule fraction consisted mainly of nucleotide metabolites without obvious inhibitory effects in MCF7 cells, but its combination with the peptide fraction showed significantly enhanced inhibitory activity. Conclusion The inhibitory effects of Macrothele raveni venom, which vary significantly across different cancer cell lines, are attributed primarily to its peptide components, which may act synergistically with the nucleotide metabolites.
Humans
;
Cell Proliferation/drug effects*
;
Apoptosis/drug effects*
;
Animals
;
Cell Line, Tumor
;
MCF-7 Cells
;
Caspase 8/metabolism*
;
Peptides/pharmacology*
;
Caspase 9/metabolism*
4.Expert consensus on classification and diagnosis of congenital orofacial cleft.
Chenghao LI ; Yang AN ; Xiaohong DUAN ; Yingkun GUO ; Shanling LIU ; Hong LUO ; Duan MA ; Yunyun REN ; Xudong WANG ; Xiaoshan WU ; Hongning XIE ; Hongping ZHU ; Jun ZHU ; Bing SHI
West China Journal of Stomatology 2025;43(1):1-14
Congenital orofacial cleft, the most common birth defect in the maxillofacial region, exhibits a wide range of prognosis depending on the severity of deformity and underlying etiology. Non-syndromic congenital orofacial clefts typically present with milder deformities and more favorable treatment outcomes, whereas syndromic congenital orofacial clefts often manifest with concomitant organ abnormalities, which pose greater challenges for treatment and result in poorer prognosis. This consensus provides an elaborate classification system for varying degrees of orofacial clefts along with corresponding diagnostic and therapeutic guidelines. Results serve as a crucial resource for families to navigate prenatal screening results or make informed decisions regarding treatment options while also contributing significantly to preventing serious birth defects within the development of population.
Humans
;
Cleft Lip/diagnosis*
;
Cleft Palate/diagnosis*
;
Consensus
;
Prenatal Diagnosis
;
Female
5.Diagnostic value of optical coherence tomography angiography in evaluating parameters of foveal avascular zone in early diabetic retinopathy
Shaojie ZENG ; Huailin XIE ; Yunyun ZHANG
International Eye Science 2024;24(9):1471-1475
AIM: To analyze the diagnostic value of optical coherence tomography angiography(OCTA)in evaluating the parameters of foveal avascular zone(FAZ)in early diabetic retinopathy(DR).METHODS: Retrospective study. A total of 209 cases(209 eyes)of type 2 diabetes mellitus(T2DM)with DR admitted to our hospital from June 2019 to December 2022 were selected as DR group. The DR group was divided into three groups, with 115 cases(115 eyes)in mild group, 54 cases(54 eyes)in moderate group, and 40 cases(40 eyes)in severe group according to stage. Another 100 cases(100 eyes)of T2DM patients without DR were selected as No-DR group, and 70 cases(70 eyes)of healthy people were selected as control group for physical examination at the same time, all of whom underwent OCTA examination. The DR group was enrolled according to the disease degree, one eye was randomly taken for the study if the degree in both eyes was the same, while the control group and the No-DR group were randomly selected for one eye to be included in the study. The perimeter of the foveal avascular area(PERIM), FAZ transverse diameter, FAZ vertical diameter, FAZ area, macular fovea retinal thickness(MFRT), acircularity index(AI), full layer retinal blood flow density within a range of 300 μm around the FAZ(FD-300), and changes in FAZ vascular density(VD)levels among different groups of subjects were compared. Furthermore, Pearson correlation analysis was used to determine the correlation between general data and FAZ related indicators, and receiver operating characteristic(ROC)curve was used to evaluate the diagnostic value of macular FAZ indicators for DR.RESULTS: The levels of FBG, MFRT, FAZ area, and PERIM in patients with mild, moderate, and severe DR were significantly higher than those in the No-DR group and the control group, while the levels of AI and VD were significantly lower than those in the No-DR group(all P<0.05); patients in the No-DR group, mild DR group, moderate DR group, and severe DR group had significantly higher cystatin C, FAZ transverse diameter, and FAZ vertical diameter than the control group, while FD-300 vascular density was significantly lower than the control group(all P<0.05); the MFRT was positively correlated with age(r=0.295, P=0.001); The AI and VD was negatively correlated with age(r=-0.296, -0.235, all P<0.05); the area under the curve(AUC)of MFRT, FAZ area, PERIM, AI, and VD for the diagnosis of DR were 0.745, 0.738, 0.696, 0.792, and 0.847, respectively.CONCLUSION:The structure and microcirculation of FAZ can be changed in DM patients, and the related parameters of FAZ have certain value in the diagnosis of early DR.
6.Effect of different types of lenses on controlling myopia and strabismus in patients with small-angle intermittent exotropia
Yunyun WANG ; Ying XIE ; Duo XU
International Eye Science 2024;24(7):1052-1057
AIM: To compare the clinical effectiveness of using multifocal defocus spectacle lenses, orthokeratology lenses, and single-vision spectacle lenses in patients with myopia and small-angle intermittent exotropia.METHODS: This retrospective study included 150 patients aged 8-15 years with basic intermittent exotropia, strabismus of -10△ to -20△ prism diopters(D)(block lenses), and spherical equivalents of -1.00 to -5.50 D, who visited our hospital from June 2021 to September 2022. They were selected and divided into three groups on a voluntary basis: the HAL group(50 patients with multifocal myopia defocus spectacle lenses), the OK lens group(50 patients with nighttime orthokeratology lenses), and the SVL group(50 patients with regular single-vision spectacle lenses). After wearing the lenses consistently, changes in axial length, prism diopters with the naked eye and lenses(prism at 33 cm), positive fusional vergence of blurred points, and near stereopsis were observed and compared among groups before intervention and after 1 a. The Newcastle control score(NCS)was used to evaluate the eye position control ability of the patients in the three groups.RESULTS: Before the intervention, the axial lengths of the HAL, OK lens, and SVL groups were 24.83±0.91, 24.93±0.97, and 24.98±0.68 mm, respectively(P>0.05). After 1 a, the axial lengths of the three groups were 25.02±0.90, 25.18±0.97, and 25.45±0.65, respectively(P<0.05). Compared with an increase of 0.47±0.30 mm in the SVL group after 1 a, the axial length of the HAL and OK lens groups increased by 0.19±0.06 and 0.25±0.21 mm, respectively(both P<0.05). Before intervention, the prism diopters of the HAL, OK lens, and SVL groups measured using the prism were -15.00△±3.12△, -14.34△±3.00△ and -14.06△±3.22△, respectively. After 1 a, the prism diopters of the three groups with lenses were -9.34△±3.84△, -18.42△±4.41△, and -19.58△±5.21△, respectively, which increased by 5.66△±2.13△, -4.08△±3.34△, and -5.52△±3.70△, respectively, compared with the preintervention values(P<0.05). Before intervention, the near stereopsis in the HAL, OK lens, and SVL groups were 89.20″±54.65″, 93.00″±52.54″, and 88.40″±55.31″, respectively(P>0.05). After 1 year, near stereopsis in the groups were 76.00″±20.40″, 81.20″±18.91″, and 100.60″±51.41″, respectively(P<0.05). The positive fusional vergence(fuzzy point)of the three groups was 15.04±1.97, 15.14±1.67, and 14.62±1.47, respectively, before intervention(P>0.05), and it was 17.10±2.02, 13.12±1.41, and 13.26±2.45, respectively, after 1 a(P<0.05). In addition, the eye position control in the HAL group was significantly better than that in the OK lens and SVL groups after wearing lenses for 1 a(P<0.05).CONCLUSION: For patients with myopia and small-angle intermittent exotropia, wearing HAL can effectively control changes in strabismus and axial length compared with OK lenses and SVL, particularly for better control of strabismus, whereas wearing OK lenses or SVL would result in exotropic drifts. Stereopsis and positive fusional vergence were significantly improved in the HAL group.
7.Comparison of rat models of pulmonary fibrosis induced by one or two intratracheal bleomycin instillations
Huimeng TANG ; Qinghua SONG ; Yunyun XIE ; Xin SUN ; Fan YANG ; Shuguang YANG ; Yange TIAN
Acta Laboratorium Animalis Scientia Sinica 2024;32(9):1139-1148
Objective A rat model of pulmonary fibrosis was constructed using a single or two intratracheal drops of bleomycin(BLM)and the modeling rate and stability of the two modeling modalities were compared.Methods A total of 150 specific pathogen-free SD rats were divided randomly into blank control(control),single intratracheal drop of bleomycin(BLM-S),and two intratracheal drops of bleomycin(BLM-M)groups.Rats in the BLM-S group received a single dose of 3 mg/kg BLM by noninvasive intratracheal instillation,and rats in BLM-M group received 3 mg/kg BLM on day 1 and BLM 2 mg/kg on day 14.Rats in the control group were given intratracheal instillation of 0.9%sodium chloride(1 mL/kg).The rats were euthanized on days 28,42,56,and 84 after modelling,respectively.Deep inspiratory capacity(IC),vital capacity(VC),static lung compliance(Cchord),and dynamic lung complication(Cdyn)were measured in all rats.Pathological changes in lung tissue were observed,and the extent of alveolitis and fibrosis was graded.Collagen-Ⅲ(COL-Ⅲ)expression in rat lung tissue was detected by immunohistochemistry.Results(1)The survival rates in the control,BLM-S,and BLM-M groups were 100%,80%,and 66%,respectively.Rats in the BLM-S and BLM-M groups had significantly lower body weights on days 14~42 compared with the control group(P<0.05,P<0.01),and rats in the BLM-M group had significantly lower body weight on days 28~42 than rats in the control and BLM-S groups(P<0.05,P<0.01).(2)Regarding lung function,IC,VC,Cchord,and Cdyn were all markedly decreased in the BLM-S group compared with the control group(P<0.05,P<0.01)and IC,VC,and Cchord were significantly decreased in the BLM-M group(P<0.05,P<0.01)on day 28.IC,VC,and Cchord were significantly decreased in rats in the BLM-S group on day 42(P<0.05,P<0.01),and were also significantly decreased in rats in the BLM-M group on days 42~84(P<0.05,P<0.01).(3)In terms of lung pathology,inflammatory infiltration and fibrous cords appeared in the BLM-S group from days 28~84 and then gradually decreased(P<0.05,P<0.01),while fibrosis and alveolitis were relatively stable in the BLM-M group(P<0.05,P<0.01).(4)COL-Ⅲ expression levels in lung tissue were significantly higher in rats in the BLM-S and BLM-M groups compared with the control group(P<0.05,P<0.01),and the COL-Ⅲ content in the BLM-S group was significantly lower at 42~84 days than at 28 days(P<0.05).Conclusions Both method are capable of effectively creating pulmonary fibrosis models.The single-dose approach is straightforward,has a lower death rate,and the degree of fibrosis is clearly visible by day 28,but progressively recovers after 42 days.In contrast,the two-dose instillation model has a greater success rate and better stability,with over half the rats still exhibiting visible fibrosis on day 84.
8.Comparison of pulmonary fibrosis rat models induced by different dosed of bleomycin
Qinghua SONG ; Huimeng TANG ; Xin SUN ; Yang LIU ; Yunyun XIE ; Yange TIAN
Chinese Journal of Comparative Medicine 2024;34(10):28-37
Objective To compare the success rate and stability of rat pulmonary fibrosis(PF)models induced by intratracheal instillation of different doses of bleomycin(BLM).Methods One hundred and fifty Sprague Dawley rats were divided randomly into control,low-dose BLM 3 mg/kg(BL-L),and high-dose BLM 5 mg/kg(BL-H)groups.General status,mortality,and weight changes were observed,and the lung inspiratory capacity(IC),vital capacity(VC),chord compliance(Cchord),and dynamic compliance(Cdyn)were detected on days 28,42,56,and 84.Lung coefficients were recorded and pathological changes in lung tissue were observed by hematoxylin and eosin and Masson staining.The lung hydroxyproline(HYP)content was detected and collagen type Ⅲ(COL Ⅲ)was detected by immunohistochemistry.Results The mortality rates in the BL-L and BL-H groups were 20%and 28%,respectively.Body weight was significantly lower in the BL-L group compared with the control group on days 0~56,and weight recovery after day 56.Body weight was significantly lower in the BL-H group compared with the control and BL-L groups from days 0~56(P<0.01).Regarding lung function,IC,VC,Cchord,and Cdyn were significantly lower in the BL-L group compared with the control group on day 28(P<0.01,P<0.05),and IC and Cdyn were significantly lower in the BL-H group(P<0.01).IC,VC,and Cchord were significantly decreased in the BL-L group on day 42(P<0.01,P<0.05),while IC,VC,Cchord,and Cdyn were significantly decreased in the BL-H group(P<0.01,P<0.05),and IC,VC,and Cchord were significantly lower compared with in the BL-L group(P<0.01).Cchord was significantly lower in the BL-H group compared with the control and BL-L groups on day 56(P<0.01).The lung coefficients on day 28 were significantly higher in the BL-L and BL-H groups compared with the control group(P<0.01),and were significantly higher in the BL-H group from days 42~56 compared with the BL-L and control groups(P<0.01).Regarding lung histopathology and immunohistochemistry,inflammatory infiltration,fibrotic streaks,and COL Ⅲ expression were observed in the BL-L group from days 28~56,and almost complete disappearance of the fibrotic lesions on day 84.In contrast,fibrotic lesions could be observed from days 28~84 in the BL-H group,with significantly elevated COL Ⅲ expression compared with the control group(P<0.01).The HYP content was significantly higher in the BL-L group compared with the control group from days 28~42(P<0.05,P<0.01),and then gradually decreased,and the HYP content was significantly higher in the BL-H group than in the control group from days 28~84(P<0.01).Conclusions Both 3 and 5 mg/kg BLM can successfully induce PF rat models.Rats treated with 3 mg/kg BLM developed fibrosis on day 28,which lasted until day 42 and then gradually recovered.Rats treated with 5 mg/kg BLM developed fibrosis on day 28,and the degree of fibrosis was more severe with the higher compared with the lower dose,with stable fibrotic lesions up to day 56 and moderate-to-severe fibrosis still present in half of the rats until day 84.
9.A Method for Developing Implementation Strategies to Address Implementation Barriers: the CFIR-ERIC Matching Tool
Wanqing HUANG ; Dongmei ZHONG ; Siyuan LIU ; Yunyun XIE ; Jiangyun CHEN ; Dong XU
Medical Journal of Peking Union Medical College Hospital 2024;15(5):1182-1191
Implementation strategies are targeted interventions aimed at promoting the adoption, implementation, and sustainment of research findings or evidence-based practices in routine healthcare. If implementation strategies can precisely match implementation barriers and facilitators, the likelihood of successful implementation will increase. The CFIR-ERIC matching tool, which can match corresponding ERIC implementation strategies based on CFIR barriers, is a convenient and direct tool for developing implementation strategies. This paper provides a detailed overview of the origins and development of the CFIR-ERIC matching tool, outlines its contents and usage, and illustrates how to apply the tool to develop implementation strategies by using a brief smoking cessation intervention project as an example. The paper also discusses the advantages and limitations of using this tool for developing implementation strategies, with the aim of providing methodological reference for other researchers.
10.Comparison of the value of C ⁃TIRADS and combination with elastic strain rate and BRAFV600E gene detection in diagnosing thyroid nodules
Yunyun Guo ; Xiang Xie ; Mei Peng ; Fan Jiang ; Lei Hu
Acta Universitatis Medicinalis Anhui 2023;58(5):881-884
Abstract
To investigate the differential diagnostic value of Chinese thyroid imaging reporting and data system
(Chinese⁃TIRADS , C ⁃TIRADS) and the combination with ultrasonic elastic strain rate(SR)and BRAFV600E gene detection in the diagnosis of benign and malignant thyroid nodules. A total of 137 patients with 142 thyroid nodules were analyzed retrospectively , which included observing two⁃dimensional ultrasound and elastic image characteris tics and recording the elastic strain rate. The malignant risk of thyroid nodules was stratified by C ⁃TIRADS. To use pathology results as the gold standard , the efficacy of the above methods in diagnosing the nodules was evaluated.
The diagnostic efficacy of C ⁃TIRADS combined with elastic strain rate in the diagnosis of thyroid nodules was higher than that of C ⁃TIRAsignificant (P < 0. 05) . There was no statistical difference between C ⁃TIRADS and BRAFV600E gene detection (> 0. 05)


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