1.Proteomic analysis of Trichosporon asahii's response to fluconazole stress
Xin YANG ; Zhikuan XIA ; Junhong AO ; He ZHU ; Jijin LI ; Jiamin WU ; Lingzhi XU ; Rongya YANG
Chinese Journal of Nosocomiology 2025;35(6):801-806
OBJECTIVE To explore the effect of fluconazole on proteomics of Trichosporon asahii so as to reveal the responding process of T.asahii to fluconazole stress and the resistance mechanisms to azoles on the protein level.METHODS T.asahii AS 2.2174 was chosen as the research subject,the minimum inhibitory concentration(MIC)of fluconazole was determined by broth microdilution assay.The protein abundance of T.asahii was detec-ted by means of tandem mass tag(TMT)technique combined with liquid chromatography-tandem mass spectrom-etry(LC-MS/MS)before and after the treatment with fluconazole(1× MIC).The differentially expressed pro-teins(DEPs)were identified based on the screening standards of fold change ≥1.20 or ≤0.83 and P<0.05.Gene ontlogy(GO)and Kyoto encyclopedia of genes and genomes(KEGG)enrichment analysis were performed for the DEPs so as to understand the biological property of the DEPs and the major biological pathways that the DEPs in-volved in.Finally,the targeted validation was carried out for the targeted differentially expressed proteins by using multiple reaction monitoring(MRM).RESULTS The MIC of fluconazole to T.asahii AS 2.2174 was 8 μg/ml.Totally 196 DEPs were identified,including 93 upregulated DEPs and 103 downregulated DEPs.The function en-richment analysis showed that the DEPs mainly participated in synthesis and metabolism of sterols,drug metabo-lism,stress response,energy metabolism and intertranslation.The targeted DEPs showed the consistent expres-sion trends in MRM target validation and TMT-LC-MS/MS.CONCLUSIONS The protein abundance of T.asahii has remarkable change under the fluconazole stress.The bioinformatics analysis reveals the complicated molecular mechanisms of T.asahii in response to the fluconazole stress,which may offer valuable ideas for understanding the drug resistance to azoles and developing new drug targets.
2.Proteomic analysis of Trichosporon asahii's response to fluconazole stress
Xin YANG ; Zhikuan XIA ; Junhong AO ; He ZHU ; Jijin LI ; Jiamin WU ; Lingzhi XU ; Rongya YANG
Chinese Journal of Nosocomiology 2025;35(6):801-806
OBJECTIVE To explore the effect of fluconazole on proteomics of Trichosporon asahii so as to reveal the responding process of T.asahii to fluconazole stress and the resistance mechanisms to azoles on the protein level.METHODS T.asahii AS 2.2174 was chosen as the research subject,the minimum inhibitory concentration(MIC)of fluconazole was determined by broth microdilution assay.The protein abundance of T.asahii was detec-ted by means of tandem mass tag(TMT)technique combined with liquid chromatography-tandem mass spectrom-etry(LC-MS/MS)before and after the treatment with fluconazole(1× MIC).The differentially expressed pro-teins(DEPs)were identified based on the screening standards of fold change ≥1.20 or ≤0.83 and P<0.05.Gene ontlogy(GO)and Kyoto encyclopedia of genes and genomes(KEGG)enrichment analysis were performed for the DEPs so as to understand the biological property of the DEPs and the major biological pathways that the DEPs in-volved in.Finally,the targeted validation was carried out for the targeted differentially expressed proteins by using multiple reaction monitoring(MRM).RESULTS The MIC of fluconazole to T.asahii AS 2.2174 was 8 μg/ml.Totally 196 DEPs were identified,including 93 upregulated DEPs and 103 downregulated DEPs.The function en-richment analysis showed that the DEPs mainly participated in synthesis and metabolism of sterols,drug metabo-lism,stress response,energy metabolism and intertranslation.The targeted DEPs showed the consistent expres-sion trends in MRM target validation and TMT-LC-MS/MS.CONCLUSIONS The protein abundance of T.asahii has remarkable change under the fluconazole stress.The bioinformatics analysis reveals the complicated molecular mechanisms of T.asahii in response to the fluconazole stress,which may offer valuable ideas for understanding the drug resistance to azoles and developing new drug targets.
3.Correct the Error of "Warm Disease in Summer of Hand Taiyang" about Qingluo Drink in Wenbing Tiaobian·Summer Heat in Upper-Jiao
Yuanye GU ; Tian XIA ; Lingzhi SUN
Journal of Zhejiang Chinese Medical University 2024;48(11):1462-1466
[Objective]To sort out and correct the error of the 27th prescription "Warm disease in summer of Hand Taiyin" about Qingluo Drink in Wenbing Tiaobian·Summer Heat in Upper-Jiao(Analysis of Warm Diseases).The "Hand Taiyin" is mistakenly spread as "Hand Taiyang".[Methods]By using literature retrieval methods,relevant erroneous papers and works in the China National Knowledge Infrastructure (CNKI) and Duxiu databases were retrieved.Textual comparisons were made with the initial edition of Wenbing Tiaobian in the digital platform of Airusheng Chinese Basic Classics Library V8.0 and Beijing University of Chinese Medicine Library's ancient books and Republican-era thread-bound book digitization platform.[Results]In the above-mentioned database,a total of 8 books and 1 dissertation mistakenly referred to "Hand Taiyin" to "Hand Taiyang".Most of these publications claim that their source is the first edition of Wenxin Tang in the 18th year of Jiaqing in the Qing Dynasty (1813),but there is no error in the original text.This error first appeared in 1994.The publication of Wenbing Tiaobian by People's Medical Publishing House in 2005 played a role in the vertical and horizontal dissemination of this error.Many other publications from the same publishing house inherited the 10 errors from the 2005 edition of Wenbing Tiaobian.[Conclusion]The error of the 27th prescription "Warm disease in summer of Hand Taiyin" about Qingluo Drink in Wenbing Tiaobian·Summer Heat in Upper-Jiao(Analysis of Warm Diseases) may have been caused by omission and typo of the editing staff initially.Later,it spread in relevant publications of People's Medical Publishing House,possibly due to the reuse of internal documents during reprinting,resulting in the inheritance of historical errors.This serves as a reminder that when reprinting ancient books,publishing houses should carefully review and strive for excellence to avoid perpetuating errors.
4.Correct the Error of "Warm Disease in Summer of Hand Taiyang" about Qingluo Drink in Wenbing Tiaobian·Summer Heat in Upper-Jiao
Yuanye GU ; Tian XIA ; Lingzhi SUN
Journal of Zhejiang Chinese Medical University 2024;48(11):1462-1466
[Objective]To sort out and correct the error of the 27th prescription "Warm disease in summer of Hand Taiyin" about Qingluo Drink in Wenbing Tiaobian·Summer Heat in Upper-Jiao(Analysis of Warm Diseases).The "Hand Taiyin" is mistakenly spread as "Hand Taiyang".[Methods]By using literature retrieval methods,relevant erroneous papers and works in the China National Knowledge Infrastructure (CNKI) and Duxiu databases were retrieved.Textual comparisons were made with the initial edition of Wenbing Tiaobian in the digital platform of Airusheng Chinese Basic Classics Library V8.0 and Beijing University of Chinese Medicine Library's ancient books and Republican-era thread-bound book digitization platform.[Results]In the above-mentioned database,a total of 8 books and 1 dissertation mistakenly referred to "Hand Taiyin" to "Hand Taiyang".Most of these publications claim that their source is the first edition of Wenxin Tang in the 18th year of Jiaqing in the Qing Dynasty (1813),but there is no error in the original text.This error first appeared in 1994.The publication of Wenbing Tiaobian by People's Medical Publishing House in 2005 played a role in the vertical and horizontal dissemination of this error.Many other publications from the same publishing house inherited the 10 errors from the 2005 edition of Wenbing Tiaobian.[Conclusion]The error of the 27th prescription "Warm disease in summer of Hand Taiyin" about Qingluo Drink in Wenbing Tiaobian·Summer Heat in Upper-Jiao(Analysis of Warm Diseases) may have been caused by omission and typo of the editing staff initially.Later,it spread in relevant publications of People's Medical Publishing House,possibly due to the reuse of internal documents during reprinting,resulting in the inheritance of historical errors.This serves as a reminder that when reprinting ancient books,publishing houses should carefully review and strive for excellence to avoid perpetuating errors.
5.Epstein-Barr virus infection-related post-transplant lymphoproliferative disorders in transplanted lung: a clinicopathological analysis
Xia LI ; Bingqing ZOU ; Jing ZHOU ; Lingzhi SHI ; Li FAN ; Hang YANG ; Shudong YANG
Chinese Journal of Pathology 2021;50(5):465-469
Objective:To investigate the clinicpathological characteristics of post-transplant lymphoproliferative disorders (PTLD) in transplanted lung, and to improve its diagnosis and treatment.Methods:The clinicopathological characteristics of PTLD in three transplanted lungs were evaluated at Wuxi People′s Hospital Affiliated to Nanjing Medical University from 2014 to 2019. HE, immunohistochemical staining and in situ hybridization were performed. The relevant literature of PTLD was reviewed.Results:All three patients had chronic obstructive pulmonary disease (COPD) before lung transplantation. After receiving both lung transplants, they were all treated with anti-rejection drugs tacrolimus or mycophenolate mofetil, and combined with antiviral and/or rituximab. The time from transplantation to diagnosis of PTLD was four years, seven months, and five months, respectively. Two patients died one month and five months after initial diagnosis, and one patient was alive with no disease after one year. Histologically, all cases were monomorphic B-cell PTLD (diffuse large B-cell lymphoma, unspecified), and the tumor cells were positive for Epstein-Barr virus by in situ hybridization; one of the late-onset patients had herpes simplex virus infection.Conclusions:PTLD in the post-transplant lung tissue shows unique morphology and clinical characteristics, and is closely related to Epstein-Barr virus infection. Patients who receive lung transplantation due to COPD are more susceptible to develop PTLD, while late-onset ones occur more commonly in the hilum of lungs, and the prognosis is relatively poor.
6.Association between plasma factor VIII level and clinical indicators and prognosis in patients with IgA nephropathy
Lingzhi WU ; Xia TAN ; Di LIU ; Guochun CHEN ; Yu LIU ; Hong LIU
Chinese Journal of Nephrology 2020;36(4):278-285
Objective:To investigate the relationship between plasma factor VIII (FVIII) level and the clinical indicators and prognosis in IgA nephropathy (IgAN) patients.Methods:The clinical data of IgAN patients diagnosed from the Second Xiangya Hospital of Central South University from January 2016 to December 2016 were collected. Patients were divided into high FVIII group (FVIII>140.50%) and low FVIII group (FVIII≤140.50%) according to the time-dependent receiver operating characteristic curve analysis. The baseline clinical parameters at the time of renal biopsy between two groups of patients were compared. Taking the estimated glomerular filtration rate (eGFR) reduction ≥30% or entering end-stage renal disease (ESRD) as the endpoint event, Kaplan-Meier analysis and Cox proportional hazards models were used to explore the association between plasma FVIII level and prognosis in IgAN patients.Results:A total of 93 patients were ultimately retained for this study, with a median follow-up of 35.15(33.77, 36.76) months. Twelve (12.90%) patients reached the endpoint event. The levels of serum creatinine, urea nitrogen, triglyceride, total cholesterol, plasma fibrinogen, D-dimer, 24-hour urinary protein, protein C, protein S, slope of eGFR and age in the high FVIII group were higher than those in the low FVIII group (all P<0.05). The levels of eGFR, serum albumin and follow-up time in the high FVIII group were lower than those in the low FVIII group (all P<0.05). The renal cumulative survival rate was significantly lower in the high FVIII group than that in the low FVIII group ( χ2=5.635, P=0.018) according to the Kaplan-Meier analysis. After adjusting for variables such as systolic blood pressure, eGFR, urinary protein, and renal tubular atrophy/interstitial fibrosis, multivariate Cox proportional hazards models analysis showed that high level of plasma FVIII was an independent risk factor for poor prognosis in IgAN patients ( HR=4.147, 95% CI 1.055-16.308, P=0.042). Conclusions:The level of plasma FVIII is associated with clinical indicators and prognosis in IgAN patients. The higher level of plasma FVIII can be identified as an independent risk factor for poor prognosis in IgAN patients.
7.Effect of high-intensity alternating magnetic field on viscosity of sheep blood
Pengxian TAO ; Xiangyang WU ; Lingzhi ZHAO ; Feng WANG ; Qi XIA ; Yan PENG ; Bingren GAO
Journal of Central South University(Medical Sciences) 2017;42(12):1395-1400
Objective:To explore the changes of blood viscosity in high-intensity alternating magnetic field and the mechanisms.Methods:Five adult sheep were randomly selected and the blood samples were placed in highintensity alternating magnetic field.Before and after exposure,the blood samples were taken and divided into 2 groups:a control group and a magnetic field group.The blood rheology and transmission electron microscopy (TEM) were performed.Results:Compared to the control group,the high shear viscosity of whole blood was decreased in the magnetic field group (P<0.05);the whole blood low shear viscosity and plasma viscosity were also decreased (both P<0.01).TEM showed the changes in red blood cell morphology and the double concave disc curvature.The radian of double concave disc and cell volume in the magnetic field group was larger than those in the control group.Conclusion:The high intensity alternating magnetic field may affect the distribution of surface charge and molecular current in blood cells,which in turn decrease the aggregation of cells and the blood viscosity.
8.Expression of connexin 43 in spinal cord dorsal horn of rats with acute incisional pain.
Lingzhi WANG ; Huansen HUANG ; Zhikun WU ; Zhengyuan XIA ; Min LIAO
Journal of Southern Medical University 2015;35(3):387-396
OBJECTIVETo examine the effect of acute incisional pain on the expression of connexin 43 in rat spinal cord dorsal horn.
METHODSEighty rats were assigned into control group without any treatment and incisional pain group with incision surgery. For paw incisions, a 1-cm longitudinal incision was made through the skin and fascia of the plantar aspect of the right hind paw. After surgery, the 50% paw withdrawal threshold (PWT) was assessed in response to a tactile stimulus with calibrated von Frey monofilaments at 1, 2, 4 and 24 h, respectively. The spinal cord dorsal horn of rats was isolated at 1, 2, and 4 h after the surgery to assess the expression of connexin 43 using Western blotting and immunofluorescence assay.
RESULTSThe 50% PWT of the rats was significantly decreased after the incision surgery, and this decrement was the most obvious at 2 and 4 h. Western blotting and immunofluorescence assay showed that the expression of connexin 43 in the spinal cord dorsal horn was significantly increased in rats receiving the surgery especially at 2 and 4 h after the surgery.
CONCLUSIONIncision surgery induces an significant increase in connexin 43 expression in rat spinal cord dorsal horn, suggestting an potential role of connexin43 in postoperative incisional pain.
Animals ; Connexin 43 ; metabolism ; Pain, Postoperative ; metabolism ; Rats ; Rats, Sprague-Dawley ; Spinal Cord Dorsal Horn ; metabolism
9.Expression of connexin 43 in spinal cord dorsal horn of rats with acute incisional pain
Lingzhi WANG ; Huansen HUANG ; Zhikun WU ; Zhengyuan XIA ; Min LIAO
Journal of Southern Medical University 2015;(3):387-389,396
Objective To examine the effect of acute incisional pain on the expression of connexin 43 in rat spinal cord dorsal horn. Methods Eighty rats were assigned into control group without any treatment and incisional pain group with incision surgery. For paw incisions, a 1-cm longitudinal incision was made through the skin and fascia of the plantar aspect of the right hind paw. After surgery, the 50% paw withdrawal threshold (PWT) was assessed in response to a tactile stimulus with calibrated von Frey monofilaments at 1, 2, 4 and 24 h, respectively. The spinal cord dorsal horn of rats was isolated at 1, 2, and 4 h after the surgery to assess the expression of connexin 43 using Western blotting and immunofluorescence assay. Results The 50%PWT of the rats was significantly decreased after the incision surgery, and this decrement was the most obvious at 2 and 4 h. Western blotting and immunofluorescence assay showed that the expression of connexin 43 in the spinal cord dorsal horn was significantly increased in rats receiving the surgery especially at 2 and 4 h after the surgery. Conclusion Incision surgery induces an significant increase in connexin 43 expression in rat spinal cord dorsal horn, suggestting an potential role of connexin43 in postoperative incisional pain.
10.Expression of connexin 43 in spinal cord dorsal horn of rats with acute incisional pain
Lingzhi WANG ; Huansen HUANG ; Zhikun WU ; Zhengyuan XIA ; Min LIAO
Journal of Southern Medical University 2015;(3):387-389,396
Objective To examine the effect of acute incisional pain on the expression of connexin 43 in rat spinal cord dorsal horn. Methods Eighty rats were assigned into control group without any treatment and incisional pain group with incision surgery. For paw incisions, a 1-cm longitudinal incision was made through the skin and fascia of the plantar aspect of the right hind paw. After surgery, the 50% paw withdrawal threshold (PWT) was assessed in response to a tactile stimulus with calibrated von Frey monofilaments at 1, 2, 4 and 24 h, respectively. The spinal cord dorsal horn of rats was isolated at 1, 2, and 4 h after the surgery to assess the expression of connexin 43 using Western blotting and immunofluorescence assay. Results The 50%PWT of the rats was significantly decreased after the incision surgery, and this decrement was the most obvious at 2 and 4 h. Western blotting and immunofluorescence assay showed that the expression of connexin 43 in the spinal cord dorsal horn was significantly increased in rats receiving the surgery especially at 2 and 4 h after the surgery. Conclusion Incision surgery induces an significant increase in connexin 43 expression in rat spinal cord dorsal horn, suggestting an potential role of connexin43 in postoperative incisional pain.

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