1.Pharmacological inhibition of STING signaling attenu-ates MPTP-induced neuroinflammation and neurode-generation in experimental models of Parkinson's disease
Baozhu WANG ; Jingru QIU ; Shuyan YU ; Deqing SUN ; Haiyan LOU
Chinese Journal of Pharmacology and Toxicology 2023;37(7):506-506
OBJECTIVE To investigate the effects of pharmacological inhibition of STING by C-176,a STING selective inhibitor,in experimental model of Parkinson's disease.METHODS The acute and sub-acute mice mod-els of Parkinson's disease(PD)were established by in-traperitoneal injection of 1-methyl-4-(2′-methylphenyl)-1,2,3,6-tetrahydrophine(MPTP).The selective STING inhibitor C-176 was administered by intraperitoneal injec-tion.The potential neuroprotective effects of C-176 were evaluated by behavioral test,tyrosine hydroxylase(TH)immunostaining,Nissl staining,Western blotting,qPCR and immunofluorescence.For in vitro study,the effects of C-176 on LPS/MPP+-induced inflammatory responses in BV2 microglial cells were determined by real time RT-PCR and Western blotting analysis.RESULTS Our study revealed that C-176 significantly inhibited STING signaling activation,ameliorated MPTP-induced dopami-nergic neurotoxicity,motor deficit and associated neuroin-flammation.Furthermore,pharmacological inhibition of STING in BV2 microglia treated with LPS/MPP+ exhibited decreased inflammatory responses.More importantly,C176 also reduced NLRP3 inflammasome activation both in vitro and in vivo.CONCLUSION The results of our study suggest that pharmacologic inhibition of STING protects against neuroinflammation that may act at least in part through suppressing NLRP3 inflammasome acti-vation and thus ameliorated dopaminergic neurodegener-ation.STING signaling may holds great promise for the development of new treatment strategy for PD as an effective therapeutic target.
2. Clinicopatholigic features of renal cell carcinoma associated with chromosome X inversion harboring gene fusions involving TFE3
Yinuo ZHAO ; Xiaotong WANG ; Qiuyuan XIA ; Gangping WANG ; Shuyan SUN ; Linfei ZHAO ; Xiaojun ZHOU ; Qiu RAO
Chinese Journal of Pathology 2018;47(8):574-579
Objective:
To study the clinicopathologic features, immunophenotype, characteristic FISH pattern and prognosis of renal cell carcinoma (RCC) associated with chromosome X inversion harboring gene fusions involving TFE3.
Methods:
Ten cases of NONO-TFE3 RCC and four cases of RBM10-TFE3 RCC were investigated at Nanjing Jinling Hospital from 2009 to 2016 by clinicopathological findings, immunohistochemistry, and genetic analysis.
Results:
Morphologically, the distinct pattern of secretory endometrioid subnuclear vacuolization was overlapped with clear cell papillary RCC, and often accompanied by sheets of epithelial cells in NONO-TFE3 RCC. Most cases of RBM10-TFE3 RCC presented with the biphasic feature that acinar, tubular and papillary patterns of epithelioid cells combined with sheets of small cells with "pseudorosette-like" architectures. In addition, cytoplasmic vacuolization, nuclear groove, and psammoma bodies were also observed. Immunohistochemically, all NONO-TFE3 RCC cases were immunoreactive for TFE3, CD10, RCC markers, and PAX8, and negative for CK7, Cathepsin K, Melan A, HMB45, Ksp-cadherin, vimentin, and CD117. All 4 cases of RBM10-TFE3 RCC showed moderate to strong immunoreactivity for TFE3, Cathepsin K, CD10, Ksp-cadherin, E-cadherin, P504s, RCC marker, PAX8, and vimentin but negative for TFEB, HMB45 and CK7. CKpan and Melan A were at least focally expressed. The antibody to Ki-67 showed labeling of 3%-8% (mean 5%). There were some expression discrepancies of immunochemistry between different histological patterns. PAX8, CKpan, P504s, and Ksp-cadherin were expressed in epithelioid areas but not in small-cell areas. Ki-67 labeling index of epithelioid areas was higher than that in small-cell areas. In molecular analysis, NONO-TFE3 fusion transcripts were identified in 6 patients. The fusion points were between exon 7 of NONO and exon 6 of TFE3 in 5 patients and between exon 9 of NONO and exon 5 of TFE3 in one patient. All 4 cases of RBM10-TFE3 RCC demonstrated to have RBM10-TFE3 fusion transcripts and the fusion points were between exon 5 of TFE3 and exon 17 of RBM10. Using TFE3 break-apart FISH assay, all 10 cases of NONO-TFE3 RCC showed characteristic patterns of equivocal split signals with a distance of nearly 2 signal diameters. All 4 cases of RBM10-TFE3 RCC showed colocalized or subtle split signals with a distance of <1 signal diameter, which was considered as negative results. Long-term follow-up was available for 7 patients of NONO-TFE3 RCC and 4 patients of RBM10-TFE3 RCC. All patients were alive with no evidence of disease.
Conclusions
Two rare genotypes, NONO-TFE3 RCC and RBM10-TFE3 RCC, are reported in this study. Both of these two tumors show specific morphology and good prognosis, along with the positive TFE3 staining and the equivocal or false-negative TFE3 FISH results, which could be missed. PCR detection or next-generation sequencing can determine the genotype.
3.Study on the Construction of Knowledge Graph Based on Breast Cancer Specialized Disease Database
Shuyan JIN ; Shuang WANG ; Qiong HUANG ; Wuqi QIU ; Yihao LIN
Journal of Medical Informatics 2023;44(12):65-70
Purpose/Significance To construct the ontology model of breast cancer knowledge graph,and to realize the structured expres-sion and visual display of breast cancer knowledge.Method/Processs Breast cancer knowledge is extracted and represented,and the ontology model of breast cancer knowledge graph is constructed by Protégé software.The model includes 5 types of entities including patient,basic infor-mation of patient,inspection,diagnosis and attribute value of inspection,and more than 10 kinds of relationships such as having,examining,diagnosing,belonging and so on.Result/Conclusion The graphical display of breast cancer knowledge helps to improve the public's attention and understanding of breast cancer,and has a positive effect on the prevention and health management of breast cancer.
4.Effects of visual management health education model on incontinence-associated dermatitis in inpatients
Shuyan LI ; Haiyan SHAO ; Danying QIU ; Genfang LIN ; Qin JIA
Chinese Journal of Modern Nursing 2018;24(23):2739-2742
Objective To explore the effects of visual management health education model on incontinence-associated dermatitis (IAD) in inpatients.Methods A total of 55 incontinence patients hospitalized in the People's Hospital of Zhejiang Province from February 2017 to February 2018 were selected as the observation group,and visual management health education was carried out.Another 58 incontinence patients hospitalized from January 2016 to December 2016 were selected as the control group,and routine health education was carried out.The incidence and duration of IAD,self-efficacy and nursing satisfaction were compared between the two groups after 1 months of nursing intervention.Results There were 1 cases of first degree dermatitis and 1 case of second degree dermatitis,with a total incidence of 3.64%.There were 6 cases of first degree dermatitis,2 cases of second degree dermatitis,and 1 cases of third degree dermatitis,with a total incidence of 15.52%.The difference was statistically significant (P < 0.01).The duration of IAD of the observation group and the control group was (13.5 ± 3.1) d and (7.6 ± 2.4) d respectively,and the difference between the two groups was statistically significant (P< 0.01).The results,coping,self management,general self-efficacy and total score of the patients in the observation group before and after visual management nursing intervention were significantly higher than those in the control group,and all the differences were statistically significant (P < 0.05).The satisfaction on technical operation and clinical nursing quality of the patients in the observation group was higher than that of the control group (P < 0.05).There was no significant difference in the ward environment and service attitude between the two groups (P > 0.05).Conclusions Visual management can reduce IAD and improve self-efficacy and nursing satisfaction of inpatients with incontinence.
5.Effects of WeChat online support system on continued nursing care for patients receiving enteral bladder augmentation
Shuyan LI ; Haiyan SHAO ; Danying QIU ; Qin JIA ; Yaqin DAI ; Liqin FU ; Xiaomin CHEN ; Juebao LI ; Yongming JIN
Chinese Journal of Modern Nursing 2019;25(11):1364-1369
Objective? To establish a WeChat online system supporting continued nursing care for patients receiving enteral bladder augmentation and to evaluate its effects on continued nursing care for patients with neurogenic bladder in spinal cord injury who received enteral bladder augmentation. Methods? Totally 60 patients with low-compliant neurogenic bladder in spinal cord injury who received enteral bladder augmentation and were discharged from Zhejiang Provincial People's Hospital between March 2016 and March 2018 were selected by convenient sampling, and divided into the observation group (n=30) and the control group (n=30) according to the random number table. Patients in the control group received conventional nursing care after discharge, while patients in the observation group received nursing care after discharge via the WeChat online support system. The follow-up duration was 3 months. Bladder self-management compliance, urinary catheter-associated complications, bladder function, quality of life and negative emotions at discharge and 3 months after discharge were compared between the two groups. Results? The score of bladder self-management compliance, anxiety score, depression score, and scores of physical function, role function, emotional function and social function in quality of life in the observation group were better than those in the control group 3 months after discharge (P<0.05); the rates of urinary tract infection and urethral injury of the observation group were 3.3% and 6.7%, while those of the control group were 26.7% and 33.3%, respectively; the incidence rate of urinary catheter-associated complications of the observation group was lower than that of the control group (P<0.05); and the parameters of bladder function such as bladder volume, bladder compliance, residual urine volume and maximum detrusor pressure of the observation group were better than those of the control group (P< 0.05). Conclusions? The WeChat online support system can improve patients' bladder self-management compliance, reduce the urinary catheter-associated complications, enable the recovery of bladder function, ameliorate their negative emotions, and improve their quality of life.
6.Construction of real-time polymerase chain reaction detection for infection-related cytokines of tree shrew.
Xiao LI ; Wenkuan LIU ; Shuyan QIU ; Duo XU ; Zhichao ZHOU ; Xingui TIAN ; Chi LI ; Shujun GU ; Rong ZHOU
Journal of Biomedical Engineering 2019;36(3):407-413
Tree shrew is a novel and high-quality experimental animal model. In this study, the real-time polymerase chain reaction methods were established to detect infection-related cytokines interleukin-6 (IL-6), IL-8, IL-10, IL-17A, interferon-γ (IFN-γ) and housekeeping gene glyceraldehyde-phosphate dehydrogenase ( ) of tree shrew. The results indicated that the establised methods had good specificity. The high point of the linear range of these reagents reached 1 × 10 copies, and the low points ranged from 10 copies (IL-6, IL-17A), 100 copies (IL-10, ) to 1 000 copies (IL-8, IFN-γ). In this interval, the linear correlation coefficient of each reagent was greater than 0.99. The lowest detectable values of IL-6, IL-8, IL-10, IL-17A, IFN-γ and were 8, 8, 4, 8, 128 and 4 copies, respectively. The results showed that the established detection methods had good specificity, sensitivity and wide linear range. The methods were suitable for detection of multiple concentration range samples, and could be used for the subsequent studies of tree shrew cytokines.
Animals
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Cytokines
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analysis
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Real-Time Polymerase Chain Reaction
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Shrews