1.Literature Analysis and Validity Assessment for Animal Models of Attention Deficit and Hyperactive Disorder
Wangyue LIAO ; Shuang LEI ; Xuan LI ; Min GUO ; Ruoran ZHOU
Laboratory Animal and Comparative Medicine 2026;46(1):66-80
Attention deficit and hyperactive disorder (ADHD) is the most common neurodevelopmental disorder of childhood. It seriously impairs academic achievement, social interaction, and vocational development, and increases the risk of accidental injury and substance abuse. In some cases, the symptoms may also exert an indirect disruptive effect on public order. Its aetiology involves interactions among genetic, perinatal environmental, and psychosocial factors that cannot be fully disentangled by single clinical studies. Therefore, a systematic evaluation of existing animal models is essential for revealing pathophysiology and developing novel therapies. Using the keywords "attention deficit and hyperactive disorder", "models, animal", "validity", and their English equivalents, we systematically searched PubMed, Web of Science, CNKI, and Wanfang for publications from 2000 to 2025 (retrieving 328 publications) and added further references by citation tracking. Eighty-six rodent ADHD models that provided detailed construction protocols, behavioural assessments, neurobiological mechanisms, or pharmacological data were included and classified into spontaneous genetic, genetically engineered, and environmentally induced paradigms. Their face, construct, and predictive validity were compared. Among spontaneous genetic models, spontaneously hypertensive rats reproduce hyperactivity, impulsivity, and stimulant responses well, yet hypertension and sex differences limit specificity. Acallosal mouse strains link corpus callosum absence to ADHD-like behaviours, but neurotransmitter studies remain scarce. Genetically engineered rodents—including dopamine transporter, neurokinin-1 receptor and mediator complex subunit 23 knockout or conditional gene knockout lines—precisely dissect dopaminergic, noradrenergic, synaptic, or epigenetic pathways, yet generally lack full phenotypic coverage, social-deficit modelling, and comorbidity representation, and are accompanied by adverse effects such as growth retardation or ocular defects. Environmentally induced models employ lead, polychlorinated biphenyls, alcohol, nicotine exposures, 6-hydroxydopamine lesions, neonatal hypoxia, early social isolation, or maternal stress to recapitulate core symptoms. However, dose-schedule standardisation is lacking. Behavioural reversibility diverges from clinical persistence, and non-specific phenotypes such as anxiety or depression are common. Overall, no single paradigm simultaneously achieves high validity across all three dimensions. Currently, ADHD models have progressed from single-factor simulations to multidimensional evaluation, yet significant gaps remain in genetic-background standardisation, sex differences, cross-species translation, and syndrome-differentiation modelling under traditional Chinese medicine. Future directions should integrate genetic, environmental, and epigenetic interactions, establish life-span validation systems, and incorporate computational neuroscience alongside integrative Chinese-Western strategies to enhance clinical relevance and translational utility, thereby providing robust evidence-based support for mechanistic elucidation, drug screening and precision intervention in ADHD.
2.Skeleton Binding Protein 1 of Plasmodium berghei Influences Deformability and Cytoskeletal Ultrastructure of Infected Erythrocyte
Xin-Yue GUO ; Huan-Qi ZHAO ; Yan-Xuan ZHONG ; Ru-Meng JIANG ; Yao-Xian LI ; Lei-Ting PAN ; Qian WANG ; Xiao-Yu SHI
Progress in Biochemistry and Biophysics 2026;53(4):1015-1027
ObjectiveThe malaria parasites remodel the host erythrocyte structure by exporting parasite proteins that interact with the membrane skeleton proteins of red blood cells (RBCs), facilitating their intracellular survival and pathogenicity. Skeleton-binding protein 1 (SBP1) is a conserved exported protein across Plasmodium species. In Plasmodium falciparum, SBP1 has been reported to interact with erythrocyte membrane skeleton proteins 4.1R and spectrin, while its contribution to erythrocyte remodeling and parasite virulence in Plasmodium berghei (Pb) remains unclear. This study aims to determine whether PbSBP1 associates with the host cytoskeletal protein 4.1R and to investigate its role in the remodeling of host RBCs and the pathogenicity of Plasmodium berghei. MethodsIn Plasmodium berghei, the relationship between PbSBP1 and the erythrocyte cytoskeletal protein 4.1R was examined using co-immunoprecipitation. A Pbsbp1 gene knockout mutant of Plasmodium berghei (Pbsbp1∆) was generated based on the principle of double crossover homologous recombination. The deformability of erythrocytes infected with Pbsbp1∆ parasites was assessed using microfluidic methods. Microchannels with an array of cylindrical pillars were used to detect modifications in infected RBC deformability. The infected RBCs were squashed between the rows and recovered between the columns and the transit velocity (μm/s) of infected RBCs travelling through the microchannel was recorded. The component of the erythrocyte membrane skeleton junctional complex, tropomodulin (TMOD), was fluorescently labeled, and the cytoskeletal network of infected erythrocytes was imaged using super-resolution stochastic optical reconstruction microscopy (STORM) to analyze ultrastructural changes in the cytoskeleton of wild-type (WT) and Pbsbp1∆-infected erythrocytes. Actin-based junctional complexes were displayed as individual clusters by the labeled TMOD in the STORM images, and the cluster densities and distances between adjacent clusters of infected RBCs were calculated. Additionally, rodent malaria models (BALB/c mice) and experimental cerebral malaria models (C57BL/6 mice) were employed to monitor the growth of Pbsbp1∆ and WT parasites during the intraerythrocytic stage and their capacity to induce cerebral malaria in mice. ResultsPbSBP1 may participate in the remodeling of infected erythrocytes through direct or indirect interaction with the erythrocyte cytoskeletal protein 4.1R. Microfluidic assays revealed that the deformability of erythrocytes infected with Pbsbp1∆ parasites was significantly enhanced compared to those infected with WT parasites. STORM imaging further demonstrated that the ultrastructure of the erythrocyte cytoskeleton in Pbsbp1∆-infected cells was altered relative to that in WT-infected erythrocytes. The distances between nearest neighbors of clusters had a tendency to increase while the cluster densities were decreased in Pbsbp1∆-infected RBCs compared to WT-infected RBCs. Subsequent phenotypic analysis indicated that the growth rate of Pbsbp1∆ parasites during the intraerythrocytic stage was significantly slower than that of WT parasites, and their ability to induce cerebral malaria in mice was also attenuated. These findings suggest that PbSBP1 is involved in the remodeling of the erythrocyte membrane skeleton, likely through its direct or indirect interaction with protein 4.1R, thereby regulating the deformability of infected erythrocytes and influencing the pathogenicity of the blood-stage parasites. ConclusionThis study establishes a role for PbSBP1 in host erythrocyte remodeling and parasite virulence, providing new research strategies for the prevention and treatment of malaria.
3.Current Status,Challenges,and Strategies of Basic Research on the Brain-Gut Interaction Theory for Spleen and Stomach Diseases in Traditional Chinese Medicine
Ting CHEN ; Jinxia ZHU ; Xiaohua HOU ; Xiaoli ZHANG ; Lifei ZHENG ; Lei ZHANG ; Xinxin WANG ; Xuan LI ; Xudong TANG
Journal of Traditional Chinese Medicine 2026;67(5):517-522
The brain-gut interaction theory is a multidimensional integrative concept based on the brain-gut axis, involving neural, endocrine, and immune regulatory networks as well as the gut microbiota. Zang-fu organs (脏腑) theory in traditional Chinese medicine (TCM) shows a high degree of consistency with the brain-gut interaction theory, and the core functions such as the spleen and stomach governing the ascending of the clear and descending of the turbid, the liver governing the free flow of qi, and the heart governing mental and emotional activities are closely associated with the multi-level regulatory mechanisms of the brain-gut axis. TCM therapy can modulate brain-gut interactions through multiple pathways in the treatment of spleen and stomach diseases, including the regulation of gastrointestinal hormone secretion, neurotransmitter levels, the hypothalamic-pituitary-adrenal (HPA) axis, immune homeostasis and inflammatory responses, as well as the gut microecology. However, current basic research on the brain-gut interaction theory in TCM for spleen and stomach diseases still faces several challenges, such as difficulties in integrating TCM spleen-stomach theory with modern pathophysiology, lack of innovation in research concepts, and limitations in research methodologies. It is therefore proposed that multidisciplinary collaboration, multi-omics technologies, and targeted research approaches should be adopted to provide more comprehensive methods for basic research on TCM spleen and stomach diseases, thereby promoting the in-depth development of brain-gut interaction theory.
4.Molecular Mechanisms of Qingfei Paidu Decoction in the Prevention and Treatment of Acute Lung Injury in Mice Based on miRNA Sequencing
Longxue LI ; Chongfan WAN ; Qi ZHANG ; Ruting LEI ; Xiaoyue WANG ; Leyan CHENG ; Qi LAI ; Ronghua LIU ; Xuan LIU ; Tielong XU
Laboratory Animal and Comparative Medicine 2026;46(3):311-320
ObjectiveTo investigate the preventive and therapeutic effects of Qingfei Paidu decoction (QFPDD) on acute lung injury (ALI) in mice and its underlying molecular mechanisms based on miRNA sequencing technology. MethodsTwenty-four 4-week-old male KM mice were randomly divided into a control group, a model group, and a QFPDD group (n = 8 per group). After one week of acclimatization, mice in the control and model groups were intragastrically administered ultrapure water (0.2 mL per dose), whereas mice in the QFPDD group were intragastrically administered QFPDD (1.6 g crude drug/mL, 0.2 mL per dose), twice daily for 8 consecutive days. On days 2–8, mice in the model and QFPDD groups were exposed to aerosolized lipopolysaccharide (LPS) solution (2.5 g/L, 4 mL per exposure) for 7 consecutive days. On day 9, blood was collected via the retro-orbital venous plexus under deep anesthesia, and lung tissues were harvested. Body weight and lung weight were measured, and the lung coefficient was calculated. Serum levels of inflammatory cytokines tumor necrosis factor-α (TNF-α), interleukin (IL)-1β, and IL-6 were detected by ELISA. Lung histopathological changes were observed by HE staining of paraffin-embedded sections. miRNA expression profiles in lung tissues were analyzed using the Illumina HiSeq 2500 sequencing platform. Target genes of differentially expressed miRNAs were predicted using bioinformatics databases, and functional enrichment analysis of these target genes was performed using gene ontology (GO) and Kyoto Encyclopedia of Genes and Genomes (KEGG) databases. Differentially expressed miRNAs were validated by reverse transcription quantitative real-time PCR (RT-qPCR). ResultsCompared with the control group, the model group showed a consistent body weight growth trend but a significantly increased lung coefficient (P < 0.01). ELISA results showed that serum levels of TNF-α and IL-6 were significantly elevated in the model group compared with the control group (P < 0.01), whereas QFPDD treatment significantly reduced serum TNF-α and IL-6 levels compared with the model group (P < 0.05). HE staining showed that, compared with the control group, the model group exhibited widened alveolar septa, massive inflammatory cell infiltration, partial alveolar expansion, and mild capillary dilation with congestion. In contrast, the QFPDD group showed only slightly widened alveolar septa and mild inflammatory cell infiltration compared with the model group. Intersection analysis of miRNA sequencing data identified 13 differentially expressed miRNAs common to both the model vs. control and QFPDD vs. model comparisons. Among them, 6 miRNAs (mmu-miR-203-3p, mmu-miR-181b-5p_R-1, hsa-miR-4286_R+1, mmu-miR-1843b-5p_L+1R-1_2, mmu-miR-22-3p, and mmu-miR-1964-3p) were significantly up-regulated in the model group (P < 0.05) and significantly down-regulated after QFPDD treatment (P < 0.05), showing a therapeutic reversal trend. GO analysis revealed that the target genes of the differentially expressed miRNAs were mainly enriched in biological processes such as RNA polymerase Ⅱ transcriptional regulation. KEGG analysis indicated that target genes were mainly enriched in signaling pathways including the mitogen-activated protein kinase (MAPK) pathway. RT-qPCR validation result for mmu-miR-203-3p was consistent with the sequencing analysis results. ConclusionQFPDD may exert preventive and therapeutic effects against ALI by regulating the expression of mmu-miR-203-3p and other miRNAs, thereby modulating inflammatory responses and the MAPK signaling pathway and participating in the pathological process of lung injury.
5.LncRNA GS1-124K5.4 targeting regulation of PRDX6 on proliferation,migration and Invasion of lung squamous carcinoma cells
Yu-ning HU ; Yan-lei GE ; Ye JIN ; Jun-qing GAN ; Wei-nan YAO ; Ya-nan WU ; Xuan ZHENG ; Zi-qing LIU ; Xin SU ; Guo-gui SUN
Chinese Pharmacological Bulletin 2025;41(8):1531-1541
Aim To investigate the effect of long-chain non-coding RNA(lncRNA)GS1-124K5.4 targeting regulation of PRDX6 on proliferation,migration and in-vasion of lung squamous carcinoma(LUSC)cells and the underlying mechanism.Methods The expression level of lncRNA GS1-124K5.4 in lung cancer tissues and adjacent tissues of 60 patients with LUSC were de-termined by fluorescence in situ hybridization.The ex-pression level of lncRNA GS1-124K5.4 in human nor-mal lung cells and LUSC cells were determined by qRT-PCR.Two kinds of LUSC cells(NCI-H 1703,SK-MES-1)with highest expression level of lncRNA GS1-124K5.4 were selected for subsequent experi-ments.The distribution of lncRNA GS1-124K5.4 in cells was studied by fluorescence in situ hybridization and prokaryotic separation.The effect of knockdown of lncRNA GS1-124K5.4 on proliferation of NCI-H1703 and SK-MES-1 cells was studied by CCK-8 experiment and cell clone formation experiment;the effect of knockdown of lncRNA GS1-124K5.4 on migration of NCI-H1703 and SK-MES-1 cells was studied by cell scratch experiment and Transwell cell migration experi-ment;and the effect of knockdown of lncRNA GS1-124K5.4 on invasion of NCI-H1703 and SK-MES-1 cells was studied by Transwell invasion experiment.The protein to be bound by lncRNA GS1-124K5.4 was detected by RNA pull-down combined with mass spec-trometry and immune-precipitation.The effect of knockdown of lncRNA GS1-124K5.4 targeting PRDX6 on proliferation,migration and invasion of NCI-H1703 and SK-MES-1 cells was studied.Results(1)The fluorescence intensity of lncRNA GS1-124K5.4 in lung squamous cell carcinoma increased compared with that in adjacent tissues(P<0.05),and the expression of lncRNA GS1-124K5.4 was related with lymph node metastasis and clinical stage(P<0.05).(2)The ex-pression level of lncRNA GS1-124K5.4 in NCI-H1703,NCI-H520 and SK-MES-1 cells significantly increased(P<0.05).(3)The result of fluorescence in situ hybridization experiment and nucleoplasm sepa-ration experiment showed that lncRNA GS1-124K5.4 was mainly distributed in cell nucleus.(4)The prolif-eration,migration and invasion ability of NCI-H1703 and SK-MES-1 cells with knockdown of lncRNA GS1-124K5.4 significantly decreased(P<0.05).(5)PRDX6 protein to be bound to LncRNA GS1-124K5.4 was determined by RNA pull-down combined with mass spectrometry and immunoprecipitation.(6)The prolif-eration,migration and invasion ability of NCI-H1703 and SK-MES-1 cells with overexpression of lncRNA GS1-124K5.4 significantly increased(P<0.05);the proliferation,migration and invasion ability of NCI-H1703 and SK-MES-1 cells with knockdown of PRDX6 significantly decreased(P<0.05);the proliferation,migration and invasion ability of NCI-H1703 and SK-MES-1 cells with overexpression of lncRNAGS1-124K5.4 and knockdown of PRDX6 showed no signifi-cant change(P>0.05).Conclusions LncRNA GS1-124K5.4 is highly expressed in lung squamous cell carcinoma,and it may promote the proliferation,migration and invasion of lung squamous carcinoma cells by targeting the expression of PRDX6 protein.
6.Progress in metabolomics of multiple myeloma
Xuan YE ; Zhengxu SUN ; Xiaoyan QU ; Lei FAN
Chinese Journal of Hematology 2025;46(10):980-984
Multiple myeloma (MM) is a malignant disease characterized by clonal plasma cell proliferation, with metabolic reprogramming. Abnormal metabolism of amino acids, glucose, lipids and nucleotides plays a crucial role in various pathological processes in MM, such as proliferation, metastasis, immune escaping and drug resistance. This review summarized the application of metabolomics technology in identifying biomarkers for MM and targeting related metabolic pathways. The objective is to guide further investigations into the metabolic mechanisms underlying MM and encourage innovation in clinical diagnosis and treatment strategies for this disease.
7.Investigation of 90Sr radioactivity levels in drinking water and food around the Qinshan Nuclear Power Plant from 2012 to 2022
Lei ZHOU ; Yiyao CAO ; Hua ZOU ; Rui WANG ; Hong REN ; Peng WANG ; Shunfei YU ; Zhiqiang XUAN ; Zhongjun LAI
Chinese Journal of Radiological Medicine and Protection 2025;45(5):449-453
Objective:To investigate the radioactivity levels and variation trends of 90Sr in drinking water and food around the Qinshan Nuclear Power Plant in operation. Methods:From 2012 to 2022, the source, factory, and tap water was collected within 30 km around the Qinshan Nuclear Power Plant during the wet and dry seasons (i.e., May and October, respectively) each year to determine the 90Sr concentration in water. According to the dietary habits of local residents, four kinds of food, including rice, cabbage, mullet, and crucian carp, were collected to determine and analyze the 90Sr radioactivity concentration in food using the bis-(2-ethylhexyl) phosphoric acid extraction chromatographic method. Results:From 2012 to 2022, the 90Sr radioactivity concentrations in the source, factory, and tap water around the Qinshan Nuclear Power Plant ranged from 3.73 to 11.89 mBq/L, 2.95 to 9.83 mBq/L, and 3.12 to 8.70 mBq/L, respectively, showing nonsignificant fluctuations over the years. The 90Sr radioactivity concentrations in rice, cabbage, mullet, and crucian carp ranged from 0.02 to 0.46 Bq/kg (dry weight), 0.26 to 1.07 Bq/kg (fresh weight), 0.38 to 1.05 Bq/kg (fresh weight), and 0.08 to 1.32 Bq/kg (fresh weight), respectively, all below the national standard limits. Conclusions:From 2012 to 2022, the 90Sr radioactivity levels in drinking water and food around the Qinshan Nuclear Power Plant were at the background level and remained stable.
8.Mechanism of action of long non-coding RNA AC087388.1 targeting PABPC1 on esophageal squamous cell carcinoma
Han ZHONG ; Yan-lei GE ; Jun-qing GAN ; Ye JIN ; Xuan ZHENG ; Zi-qing LIU ; Guo-gui SUN
Chinese Pharmacological Bulletin 2025;41(5):926-935
Aim To explore the roles and mechanisms of long non-coding RNA(lncRNA)AC087388.1 and poly(A)binding protein cytoplasmic 1(PABPC1)in esophageal squamous cell carcinoma(ESCC).Meth-ods The expression level of AC087388.1 in ESCC tissues and cells was detected by real-time fluorescence quantitative polymerase chain reaction(RT-qPCR)and fluorescence in situ hybridization experiments and its clinical relevance was analyzed.Cell counting kit-8(CCK-8),clone formation,scratch and Transwell inva-sion assays were used to detect the effects of knock-down of AC087388.1 on the cell viability,prolifera-tion,migratory,and invasion of ESCC cells respectively ability,and sub-localization in cells.RNA pull down and Western blot experiments were employed to verify the interaction between AC087388.1 and PABPC1 in ESCC cells.Salvage experiments were performed to detect the effect of AC087388.1 targeting PABPC1 on ESCC cells.Results AC087388.1 was highly ex-pressed in ESCC tissues and cells and positively corre-lated with clinical stage of ESCC patients,mainly local-ized in cytoplasm.Knockdown AC087388.1 inhibited ESCC cell viability,proliferation,migration and inva-sionability.PABPC1 was selected from the results of RNA Pull Down-MS experiments for subsequent experi-ments,and AC087388.1 was verified to bind to PAB-PC1 by RNA Pull Down and Western blot experiments.Overexpression of AC087388.1 was verified by rescue experiment to reverse the effects of knockdown of PAB-PC1 on ESCC cell viability,proliferation,migration and invasion.Conclusions High expression of AC087388.1 correlates with clinical stage and may be a risk factor for ESCC progression.AC087388.1 pro-motes the cell viability,proliferation,migration and in-vasive ability of ESCC cells by targeting PABPC1,which may be a novel biomarker for the diagnosis and treatment of ESCC.
9.circ_0071653 targeted miR-197-3p regulates proliferation and metastasis of esophageal squamous cell carcinoma
Xuan ZHENG ; Yan-lei GE ; Jun-qing GAN ; Ye JIN ; Yi-shuang CUI ; Ya-nan WU ; Zi-qing LIU ; Guo-gui SUN
Chinese Pharmacological Bulletin 2025;41(5):888-898
Aim To investigate the effects of circ_0071653 targeting miR-197-3p on the proliferation and metastasis of esophageal squamous cell carcinoma(ES-CC)cells.Methods The circular structure of circ_0071653 was confirmed by Sanger sequencing and ribo-nuclease R tolerance experiments.Real-time quantita-tive polymerase chain reaction(RT-qPCR)and tissue fluorescence in situ hybridization assay were performed to detect the circ_0071653 expression levels and ana-lyze its clinical relevance.Cell fluorescence in situ hy-bridization and nuclear cytoplasmic separation assays were used to verify the subcellular localization of circ_0071653 and miR-197-3p.Bioinformatics analysis,dual luciferase reporter gene and RT-qPCR assays were conducted to validate the interactions between circ_0071653 and miR-197-3p.Moreover,the cell counting Kit-8(CCK-8),colony formation,scratch,Transwell invasion and subcutaneous tumor formation in nude mice assays were used to evaluate the effects of circ_0071653 and miR-197-3p on cell viability,prolifera-tion,migration,and invasion and in vivo tumorigenesi-sability.Results Circ_0071653 was a circular RNA,which showed high expression in ESCC cell lines and tissues.The expression of circ_0071653 was signifi-cantly correlated with lymph node metastasis and clini-cal stage of ESCC patients.Circ_0071653 and miR-197-3p were mainly localized in the cytoplasm.The databases predict that circ_0071653 had complementa-ry binding sites with miR-197-3p,and their binding were confirmed by dual luciferase reporter geneand RT-qPCR assays.Moreover,the activity,proliferation,migration,invasion and in vivo tumorigenesis abilities of ESCC cells were significantly reduced after knocking down circ_0071653,and this effect could be reversed by downregulating the expression of miR-197-3p.Con-clusions Circ_0071653 promotes the malignant pro-gression of ESCC through targeted regulation of miR-197-3p.
10.Evaluation of the Effect of Chinese Medicine Formula Kai-Xin-San Combined with Fluoxetine on Hippocampal Neural Stem Cells in Chronic Stress Induced Depression Model Mice
Lingxin HUANG ; Xin LI ; Lei YUAN ; Yun ZHU ; Xiaoning HUANG ; Xuan LI ; Huaqiang ZHAN ; Jinao DUAN ; Lejun LI ; Yue ZHU
World Science and Technology-Modernization of Traditional Chinese Medicine 2025;27(4):1035-1046
Objective To evaluate the effect of Kaixin San(KXS)combined with fluoxetine on hippocampal neural stem cells in mice with chronic stress stress and depression.Methods A mouse model of depression was constructed using the method of chronic unpredictable stress stress,and the highest dose of KXS water extract and fluoxetine for clinical application was given for 28 days,and behavioral tests were carried out.Nissl staining was used to detect the pathological status of hippocampal tissues in mice.The expression of TUNEL and Nestin in mouse hippocampus was determined by immunofluorescence.Western blotting was used to detect the expressions of apoptotic proteins cleaved caspase-3 and caspase-3,pyroptosis proteins GSDMD and cleaved caspase-1,as well as the expression of neural stem cell marker Nestin in the hippocampus,and the expression of Wnt/β-catenin signaling pathway-related proteins in the hippocampus.Results The combination of KXS extract and fluoxetine can significantly improve the depression-like behavior of model mice,and the effect is better than fluoxetine alone.The combination inhibited the activation of apoptosis and pyroptosis signaling pathways in the hippocampus when used alone with high-dose fluoxetine,significantly upregulated the expression of Nestin,and regulated the expression of Wnt/β-catenin signaling pathway protein.Conclusion The combination of KXS and high-dose fluoxetine can improve apoptosis and pyroptosis in the hippocampus of stress stress and depression model mice,and upregulate the expression of neural stem cell marker Nestin by regulating the Wnt/β-catenin signaling pathway,which may be a key link to improve the antidepressant effect of the combination drug.

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