1.Effect of Zishen Tongguan Formula on "Gut-prostate" Axis of Rats with Chronic Non-bacterial Prostatitis Based on 16S rDNA Sequencing
Xiran LI ; Mengjiao CHEN ; Kaiping ZOU ; Chenguang ZHAO ; Xingbin DAI ; Xiaoqing ZHANG ; Shun LIU
Chinese Journal of Experimental Traditional Medical Formulae 2025;31(7):63-71
ObjectiveBased on the theory of "gut-prostate" axis, this study explored the effects and mechanisms of Zishen Tongguan formula and Cinnamomi Cortex in the formula in treating rats with chronic non-bacterial prostatitis(CNP) by detecting the levels of inflammatory factors, and the composition and structure of intestinal flora in CNP rats. MethodsEight out of 42 SD rats were randomly selected as the normal group, and the remaining rats were injected with carrageenan to prepare the CNP model. After successful modeling, 32 rats were randomly divided into the model group, Ningmitai capsule group(0.50 g·kg-1), Zishen Tongguan formula group(2.00 g·kg-1), and the Phellodendri Chinensis Cortex-Anemarrhenae Rhizoma pair group(PCC-AR group, 2.00 g·kg-1), with 8 rats in each group. The administered groups were given the corresponding medicinal solution by gavage, and the normal and model groups were intragastrically administered with an equal volume of normal saline, once a day for 14 consecutive days. The prostate tissues of rats were collected and subjected to hematoxylin-eosin(HE) staining and Masson staining to observe the pathological changes of the tissues in each group. Enzyme-linked immunosorbent assay(ELISA) was used to detect the levels of related inflammatory factors in rat serum, and 16S rDNA sequencing was used to analyze the abundance and diversity changes of gut microbiota before and after administration, and species difference analysis was performed. ResultsAll the administered groups could alleviate the inflammatory symptoms of CNP rats, increase the expression levels of anti-inflammatory factors and decrease the expression levels of pro-inflammatory factors, with the most sIgnificant effect observed in the Zishen Tongguan formula group. Compared with the normal group, the expression levels of interleukin(IL)-8, hypersensitive C-reactive protein(hs-CRP), immunoglobulin(Ig)M, secretory IgA (sIgA), and inducible nitric oxide synthase(iNOS) were sIgnificantly increased in the model group(P<0.01). Compared with the model group, the expression levels of the above inflammatory factors in all administered groups were significantly reduced(P<0.01). When compared with the PCC-AR group, the Zishen Tongguan formula group showed a significant decrease in transforming growth factor(TGF)-β1 expression level(P<0.05) and a significant increase in IgM expression level(P<0.01). The results of gut microbiota analysis showed that, compared with the PCC-AR group, at the order level, the Zishen Tongguan formula group significantly reduced the relative abundance of conditional pathogens such as Bacteroidales, Acidaminococcales, Rhodospirillales, Clostridiales, and Elusimicrobiales(P<0.01). And at the genus level, the Zishen Tongguan formula group significantly decreased the relative abundance of pathogenic microbiota such as Lachnospira and Bacteroides(P<0.01) and significantly increased the relative abundances of beneficial microbiota such as Ruminococcus and Lactobacillus(P<0.01). ConclusionZishen Tongguan formula can reduce the level of harmful intestinal bacteria, increase the level of beneficial intestinal bacteria, down-regulate the expression of serum inflammatory factors, and the small amount of Cinnamomi Cortex in the formula may play a key role in the treatment of CNP with this formula.
2.Effect of Zishen Tongguan Formula on "Gut-prostate" Axis of Rats with Chronic Non-bacterial Prostatitis Based on 16S rDNA Sequencing
Xiran LI ; Mengjiao CHEN ; Kaiping ZOU ; Chenguang ZHAO ; Xingbin DAI ; Xiaoqing ZHANG ; Shun LIU
Chinese Journal of Experimental Traditional Medical Formulae 2025;31(7):63-71
ObjectiveBased on the theory of "gut-prostate" axis, this study explored the effects and mechanisms of Zishen Tongguan formula and Cinnamomi Cortex in the formula in treating rats with chronic non-bacterial prostatitis(CNP) by detecting the levels of inflammatory factors, and the composition and structure of intestinal flora in CNP rats. MethodsEight out of 42 SD rats were randomly selected as the normal group, and the remaining rats were injected with carrageenan to prepare the CNP model. After successful modeling, 32 rats were randomly divided into the model group, Ningmitai capsule group(0.50 g·kg-1), Zishen Tongguan formula group(2.00 g·kg-1), and the Phellodendri Chinensis Cortex-Anemarrhenae Rhizoma pair group(PCC-AR group, 2.00 g·kg-1), with 8 rats in each group. The administered groups were given the corresponding medicinal solution by gavage, and the normal and model groups were intragastrically administered with an equal volume of normal saline, once a day for 14 consecutive days. The prostate tissues of rats were collected and subjected to hematoxylin-eosin(HE) staining and Masson staining to observe the pathological changes of the tissues in each group. Enzyme-linked immunosorbent assay(ELISA) was used to detect the levels of related inflammatory factors in rat serum, and 16S rDNA sequencing was used to analyze the abundance and diversity changes of gut microbiota before and after administration, and species difference analysis was performed. ResultsAll the administered groups could alleviate the inflammatory symptoms of CNP rats, increase the expression levels of anti-inflammatory factors and decrease the expression levels of pro-inflammatory factors, with the most sIgnificant effect observed in the Zishen Tongguan formula group. Compared with the normal group, the expression levels of interleukin(IL)-8, hypersensitive C-reactive protein(hs-CRP), immunoglobulin(Ig)M, secretory IgA (sIgA), and inducible nitric oxide synthase(iNOS) were sIgnificantly increased in the model group(P<0.01). Compared with the model group, the expression levels of the above inflammatory factors in all administered groups were significantly reduced(P<0.01). When compared with the PCC-AR group, the Zishen Tongguan formula group showed a significant decrease in transforming growth factor(TGF)-β1 expression level(P<0.05) and a significant increase in IgM expression level(P<0.01). The results of gut microbiota analysis showed that, compared with the PCC-AR group, at the order level, the Zishen Tongguan formula group significantly reduced the relative abundance of conditional pathogens such as Bacteroidales, Acidaminococcales, Rhodospirillales, Clostridiales, and Elusimicrobiales(P<0.01). And at the genus level, the Zishen Tongguan formula group significantly decreased the relative abundance of pathogenic microbiota such as Lachnospira and Bacteroides(P<0.01) and significantly increased the relative abundances of beneficial microbiota such as Ruminococcus and Lactobacillus(P<0.01). ConclusionZishen Tongguan formula can reduce the level of harmful intestinal bacteria, increase the level of beneficial intestinal bacteria, down-regulate the expression of serum inflammatory factors, and the small amount of Cinnamomi Cortex in the formula may play a key role in the treatment of CNP with this formula.
3.Types and contents of fatty acids and the risk of knee osteoarthritis
Xiran TANG ; Weijian CHEN ; Tao JIANG ; Xianyun TAN ; Wengang LIU
Chinese Journal of Tissue Engineering Research 2025;29(17):3724-3731
BACKGROUND:In recent years,epidemiological studies have shown that obesity is a risk factor for knee osteoarthritis,and fatty acid intake,metabolism and biosynthesis are closely related to the development of obesity.However,the causal relationship between fatty acids and osteoarthritis is still unknown.OBJECTIVE:Using the Mendelian randomization analysis to investigate the causal relationship between five fatty acid phenotypes and knee osteoarthritis.METHODS:The genome-wide association study data on fatty acid ratios from the UK Biobank(met-D)and genome-wide association study data on knee osteoarthritis from the EBI-A database were pooled together.Single nucleotide polymorphisms were used as instrumental variables and sensitive single nucleotide polymorphisms were selected for analysis.Two-sample Mendelian randomization analysis was conducted to evaluate the causal relationship between fatty acids and knee osteoarthritis outcome risk.We used inverse variance weighting method,MR-Egger regression method,weighted median method,weighted model method,and simple model method to study the causal relationship between fatty acids and knee osteoarthritis.Further inverse Mendelian randomization analysis was performed in the same way to ensure the validity of the results.RESULTS AND CONCLUSION:The forward analysis and inverse variance weighting method showed a causal relationship between three types of fatty acid phenotypes and knee osteoarthritis.Among them,the proportion of saturated fatty acids to total fatty acids was positively correlated with the risk of knee osteoarthritis(odds ratio[OR]=1.825,95%confidence interval(CI):1.230,2.706,P=0.003),the proportion of omega 3 polyunsaturated fatty acids to total fatty acids was negatively correlated with the risk of knee osteoarthritis(OR=0.822,95%CI:0.688 8,0.981,P=0.03),and the proportion of omega 6 polyunsaturated fatty acids to total fatty acids was positively correlated with the risk of knee osteoarthritis(OR=1.268,95%CI:1.079,1.491,P=0.004).There were two types of fatty acid phenotypes that do not have a causal relationship with knee osteoarthritis,including total fatty acids(OR=0.925,95%CI:0.804-1.066,P=0.283)and the proportion of monounsaturated fatty acids to total fatty acids(OR=0.877,95%CI:0.756-1.018,P=0.084).The reverse analysis results indicated that when knee osteoarthritis was used as exposure data,there was no significant causal relationship with the phenotype of fatty acids.The sensitivity analysis results showed that the P-values of the bidirectional Mendelian randomization Cochran's Q-test and MR Egger regression were both greater than 0.05,indicating that there was no significant heterogeneity or pleiotropy in the causal effect analysis between fatty acid phenotype and knee osteoarthritis.To conclude,reducing the content of saturated fatty acids and omega 6 polyunsaturated fatty acids and increasing the content of omega 3 polyunsaturated fatty acids can reduce the risk of knee osteoarthritis.This provides valuable clues for studying the biological mechanisms of knee osteoarthritis and exploring the early prevention and treatment of knee osteoarthritis,as well as providing new directions for the development of interventional drugs.
4.Impact of PGT-A versus conventional IVF/ICSI on pregnancy outcomes in recurrent spontaneous abortion patients: a cohort study stratified by age, number of miscarriages, and previous chromosomal abnormalities in miscarried embryos
Xiran CHEN ; Hui CHEN ; Xiaohui JI ; Ping YUAN
Chinese Journal of Reproduction and Contraception 2025;45(5):495-502
Objective:To analyze whether there are differences in reproductive outcomes between preimplantation genetic testing for aneuploidies (PGT-A) and conventional in vitro fertilization/intracytoplasmic sperm injection and embryo transfer (IVF/ICSI-ET) in patients with recurrent spontaneous abortion (RSA). Methods:A retrospective cohort study was conducted at the Reproductive Center of Sun Yat-sen Memorial Hospital, Sun Yat-sen University, including RSA patients who underwent assisted reproductive technology (ART) between January 2018 and June 2023. Patients were categorized into two groups based on the type of ART, the PGT-A group (78 patients, 100 embryo transfer cycles) and the IVF/ICSI group (95 patients, 105 embryo transfer cycles). Multivariate logistic regression analysis was performed to compare the impact of these two techniques on reproductive outcomes. Further analysis was conducted to evaluate the effects of maternal age, number of miscarriages, and previous chromosomal abnormalities in miscarried embryos on pregnancy outcomes. The primary outcome measure was the live birth rate, while secondary outcomes included the pregnancy rate and the miscarriage rate.Results:The live birth rate in the PGT-A group [50.0% (50/100)] was higher than that in the IVF/ICSI group [37.1% (39/105)], while the miscarriage rate [20.6% (13/63)] was lower than that in the IVF/ICSI group [39.1% (25/64)], with both differences being statistically significant ( P=0.043, P=0.023). Among RSA patients aged 37-45 years with ≥3 miscarriages, the miscarriage rate in the PGT-A group (0%) was significantly lower than that in the IVF/ICSI group [46.2%(6/13), P=0.017], whereas the differences in live birth rate and pregnancy rate between the two groups were not statistically significant (all P>0.05). For RSA patients with previous chromosomal abnormalities in miscarried embryos, the miscarriage rate in the PGT-A group [21.1% (12/57)] was significantly lower than that in the IVF/ICSI group [71.4% (5/7), P=0.012]. Additionally, the pregnancy rate [66.3% (57/86)] and the live birth rate [52.3% (45/86)] in the PGT-A group were significantly higher than those in the IVF/ICSI group [33.3% (7/21), P=0.006; 9.5% (2/21), P<0.001]. Among 37-45 years patients, the miscarriage rate in the PGT-A group [5.9% (1/17)] was significantly lower than that in the IVF/ICSI group [38.7% (12/31), P=0.035], and the live birth rate [57.1% (16/28)] was significantly higher than that in the IVF/ICSI group [31.7% (19/60), P=0.023]. These differences were statistically significant. Conclusion:Compared with conventional IVF/ICSI-assisted reproduction, the use of PGT-A in RSA patients younger than 37 years, with or without a history of chromosomally normal miscarried embryos, did not significantly improve reproductive outcomes, regardless of whether they had experienced more than three miscarriages. However, for RSA patients with chromosomal abnormalities in miscarried embryos, PGT-A significantly reduced the miscarriage rate across the age range of 26-45 years. In RSA patients aged 37-45 years, PGT-A significantly improved reproductive outcomes. However, for patients with two miscarriages and a history of chromosomally normal miscarried embryos, the therapeutic benefit of PGT-A was limited.
5.Impact of PGT-A versus conventional IVF/ICSI on pregnancy outcomes in recurrent spontaneous abortion patients: a cohort study stratified by age, number of miscarriages, and previous chromosomal abnormalities in miscarried embryos
Xiran CHEN ; Hui CHEN ; Xiaohui JI ; Ping YUAN
Chinese Journal of Reproduction and Contraception 2025;45(5):495-502
Objective:To analyze whether there are differences in reproductive outcomes between preimplantation genetic testing for aneuploidies (PGT-A) and conventional in vitro fertilization/intracytoplasmic sperm injection and embryo transfer (IVF/ICSI-ET) in patients with recurrent spontaneous abortion (RSA). Methods:A retrospective cohort study was conducted at the Reproductive Center of Sun Yat-sen Memorial Hospital, Sun Yat-sen University, including RSA patients who underwent assisted reproductive technology (ART) between January 2018 and June 2023. Patients were categorized into two groups based on the type of ART, the PGT-A group (78 patients, 100 embryo transfer cycles) and the IVF/ICSI group (95 patients, 105 embryo transfer cycles). Multivariate logistic regression analysis was performed to compare the impact of these two techniques on reproductive outcomes. Further analysis was conducted to evaluate the effects of maternal age, number of miscarriages, and previous chromosomal abnormalities in miscarried embryos on pregnancy outcomes. The primary outcome measure was the live birth rate, while secondary outcomes included the pregnancy rate and the miscarriage rate.Results:The live birth rate in the PGT-A group [50.0% (50/100)] was higher than that in the IVF/ICSI group [37.1% (39/105)], while the miscarriage rate [20.6% (13/63)] was lower than that in the IVF/ICSI group [39.1% (25/64)], with both differences being statistically significant ( P=0.043, P=0.023). Among RSA patients aged 37-45 years with ≥3 miscarriages, the miscarriage rate in the PGT-A group (0%) was significantly lower than that in the IVF/ICSI group [46.2%(6/13), P=0.017], whereas the differences in live birth rate and pregnancy rate between the two groups were not statistically significant (all P>0.05). For RSA patients with previous chromosomal abnormalities in miscarried embryos, the miscarriage rate in the PGT-A group [21.1% (12/57)] was significantly lower than that in the IVF/ICSI group [71.4% (5/7), P=0.012]. Additionally, the pregnancy rate [66.3% (57/86)] and the live birth rate [52.3% (45/86)] in the PGT-A group were significantly higher than those in the IVF/ICSI group [33.3% (7/21), P=0.006; 9.5% (2/21), P<0.001]. Among 37-45 years patients, the miscarriage rate in the PGT-A group [5.9% (1/17)] was significantly lower than that in the IVF/ICSI group [38.7% (12/31), P=0.035], and the live birth rate [57.1% (16/28)] was significantly higher than that in the IVF/ICSI group [31.7% (19/60), P=0.023]. These differences were statistically significant. Conclusion:Compared with conventional IVF/ICSI-assisted reproduction, the use of PGT-A in RSA patients younger than 37 years, with or without a history of chromosomally normal miscarried embryos, did not significantly improve reproductive outcomes, regardless of whether they had experienced more than three miscarriages. However, for RSA patients with chromosomal abnormalities in miscarried embryos, PGT-A significantly reduced the miscarriage rate across the age range of 26-45 years. In RSA patients aged 37-45 years, PGT-A significantly improved reproductive outcomes. However, for patients with two miscarriages and a history of chromosomally normal miscarried embryos, the therapeutic benefit of PGT-A was limited.
6.Types and contents of fatty acids and the risk of knee osteoarthritis
Xiran TANG ; Weijian CHEN ; Tao JIANG ; Xianyun TAN ; Wengang LIU
Chinese Journal of Tissue Engineering Research 2025;29(17):3724-3731
BACKGROUND:In recent years,epidemiological studies have shown that obesity is a risk factor for knee osteoarthritis,and fatty acid intake,metabolism and biosynthesis are closely related to the development of obesity.However,the causal relationship between fatty acids and osteoarthritis is still unknown.OBJECTIVE:Using the Mendelian randomization analysis to investigate the causal relationship between five fatty acid phenotypes and knee osteoarthritis.METHODS:The genome-wide association study data on fatty acid ratios from the UK Biobank(met-D)and genome-wide association study data on knee osteoarthritis from the EBI-A database were pooled together.Single nucleotide polymorphisms were used as instrumental variables and sensitive single nucleotide polymorphisms were selected for analysis.Two-sample Mendelian randomization analysis was conducted to evaluate the causal relationship between fatty acids and knee osteoarthritis outcome risk.We used inverse variance weighting method,MR-Egger regression method,weighted median method,weighted model method,and simple model method to study the causal relationship between fatty acids and knee osteoarthritis.Further inverse Mendelian randomization analysis was performed in the same way to ensure the validity of the results.RESULTS AND CONCLUSION:The forward analysis and inverse variance weighting method showed a causal relationship between three types of fatty acid phenotypes and knee osteoarthritis.Among them,the proportion of saturated fatty acids to total fatty acids was positively correlated with the risk of knee osteoarthritis(odds ratio[OR]=1.825,95%confidence interval(CI):1.230,2.706,P=0.003),the proportion of omega 3 polyunsaturated fatty acids to total fatty acids was negatively correlated with the risk of knee osteoarthritis(OR=0.822,95%CI:0.688 8,0.981,P=0.03),and the proportion of omega 6 polyunsaturated fatty acids to total fatty acids was positively correlated with the risk of knee osteoarthritis(OR=1.268,95%CI:1.079,1.491,P=0.004).There were two types of fatty acid phenotypes that do not have a causal relationship with knee osteoarthritis,including total fatty acids(OR=0.925,95%CI:0.804-1.066,P=0.283)and the proportion of monounsaturated fatty acids to total fatty acids(OR=0.877,95%CI:0.756-1.018,P=0.084).The reverse analysis results indicated that when knee osteoarthritis was used as exposure data,there was no significant causal relationship with the phenotype of fatty acids.The sensitivity analysis results showed that the P-values of the bidirectional Mendelian randomization Cochran's Q-test and MR Egger regression were both greater than 0.05,indicating that there was no significant heterogeneity or pleiotropy in the causal effect analysis between fatty acid phenotype and knee osteoarthritis.To conclude,reducing the content of saturated fatty acids and omega 6 polyunsaturated fatty acids and increasing the content of omega 3 polyunsaturated fatty acids can reduce the risk of knee osteoarthritis.This provides valuable clues for studying the biological mechanisms of knee osteoarthritis and exploring the early prevention and treatment of knee osteoarthritis,as well as providing new directions for the development of interventional drugs.
7.Research status and development trends in fat transplantation: bibliometrics and visual analysis
Wenting DAI ; Kaijun HAO ; Yan PENG ; Zhiyao WANG ; Xiran CHEN ; Xiaobing WANG
Chinese Journal of Plastic Surgery 2022;38(5):528-539
Objective:Using bibliometrics to study the international literature on fat transplantation in recent 10 years, and to explore the research status, hot spots and development trend in this field.Methods:Literatures related to fat transplantation research from 2011 to 2020 were searched through the core collection of Web of Science database, and the literatures were screened strictly according to inclusion and exclusion criteria. Statistical analysis was conducted on the year, journal, first author, number of articles published by countries and institutions, and distribution of disciplines by bibliometrics. Citespace5.7.R5W software was used for co-citation analysis of the included literatures. Cooccurrence analysis and emergent word analysis were also carried out on the keywords in the literature. VOSviewer1.6.16 software was used to perform visual clustering of terms in the title and abstract of the included literature to reveal hot topics and research frontiers.Results:A total of 4 901 papers were included, and the number of annual publications continued to increase from 2011 to 2020. The top three publications during the study period were Plastic and Reconstructive Surgery (320 papers), Aesthetic Surgery Journal (171 papers), and PLoS One (113 papers). The first authors were Rafael Denadai (13 papers), Gentile Pietro(12 papers), Khouri Roger(6 papers). The most productive countries and institutions in this field were the United States (1 646 papers), China (853 papers), and Italy (383 papers). The organizations with the largest number of publications were the University of Pittsburgh (96 papers), Shanghai Jiao Tong University (78 papers), and Milan University (63 papers). There were 87 research categories in the literature related to fat transplantation, of which surgery was involved mostly. Visual analysis of Cites Pace5.7.R5W software showed that 4 901 references had established a co-citation network consisting of 381 nodes, 608 links and 12 clusters. There were 69 599 keywords in the literature, and the top five keywords from high to low were "transplantation" "adipose tissue" "stem-cell" "tissue" , and "obesity" . In the literature, the keywords with the highest intensity of outburst was "outcome" , and the keywords with the longest duration of outburst was "cartilage" . In recent years, the five keywords with outburst were "liver disease" "trial" "stromal vascular fraction" "outcome" , and " Akkermansia muciniphila" . VOSviewer1.6.16 software visualization clustering result showed that the application of fat transplantation in plastic surgery, the source of adipose tissue and its survival mechanism in vivo, and the laboratory research on fat regeneration were the three hot spots in the field of fat transplantation technology. Conclusions:The research on fat transplantation is on the rise in the world, and research institutions at home and abroad are conducting in-depth exploration on fat transplantation. Recent research focuses on improving the long-term survival rate of fat transplantation, and the research level is gradually in-depth at the molecular level.
8.Research status and development trends in fat transplantation: bibliometrics and visual analysis
Wenting DAI ; Kaijun HAO ; Yan PENG ; Zhiyao WANG ; Xiran CHEN ; Xiaobing WANG
Chinese Journal of Plastic Surgery 2022;38(5):528-539
Objective:Using bibliometrics to study the international literature on fat transplantation in recent 10 years, and to explore the research status, hot spots and development trend in this field.Methods:Literatures related to fat transplantation research from 2011 to 2020 were searched through the core collection of Web of Science database, and the literatures were screened strictly according to inclusion and exclusion criteria. Statistical analysis was conducted on the year, journal, first author, number of articles published by countries and institutions, and distribution of disciplines by bibliometrics. Citespace5.7.R5W software was used for co-citation analysis of the included literatures. Cooccurrence analysis and emergent word analysis were also carried out on the keywords in the literature. VOSviewer1.6.16 software was used to perform visual clustering of terms in the title and abstract of the included literature to reveal hot topics and research frontiers.Results:A total of 4 901 papers were included, and the number of annual publications continued to increase from 2011 to 2020. The top three publications during the study period were Plastic and Reconstructive Surgery (320 papers), Aesthetic Surgery Journal (171 papers), and PLoS One (113 papers). The first authors were Rafael Denadai (13 papers), Gentile Pietro(12 papers), Khouri Roger(6 papers). The most productive countries and institutions in this field were the United States (1 646 papers), China (853 papers), and Italy (383 papers). The organizations with the largest number of publications were the University of Pittsburgh (96 papers), Shanghai Jiao Tong University (78 papers), and Milan University (63 papers). There were 87 research categories in the literature related to fat transplantation, of which surgery was involved mostly. Visual analysis of Cites Pace5.7.R5W software showed that 4 901 references had established a co-citation network consisting of 381 nodes, 608 links and 12 clusters. There were 69 599 keywords in the literature, and the top five keywords from high to low were "transplantation" "adipose tissue" "stem-cell" "tissue" , and "obesity" . In the literature, the keywords with the highest intensity of outburst was "outcome" , and the keywords with the longest duration of outburst was "cartilage" . In recent years, the five keywords with outburst were "liver disease" "trial" "stromal vascular fraction" "outcome" , and " Akkermansia muciniphila" . VOSviewer1.6.16 software visualization clustering result showed that the application of fat transplantation in plastic surgery, the source of adipose tissue and its survival mechanism in vivo, and the laboratory research on fat regeneration were the three hot spots in the field of fat transplantation technology. Conclusions:The research on fat transplantation is on the rise in the world, and research institutions at home and abroad are conducting in-depth exploration on fat transplantation. Recent research focuses on improving the long-term survival rate of fat transplantation, and the research level is gradually in-depth at the molecular level.
9.Research progress of methylene blue in the treatment of sepsis and septic shock
Jinfang XUE ; Xiran LOU ; Guobing CHEN
Chinese Critical Care Medicine 2021;33(11):1384-1387
Sepsis and septic shock have high morbidity and mortality. The key point is that huge amount of nitric oxide (NO) is releasing into circulation, inducing marked dilation of blood vessels, and continuously decreased of blood pressure. The central link is inflammation and oxidative stress. Methylene blue can effectively inhibit NO, remove excessive NO and block the signal transduction pathway named inducible nitric oxide synthase-NO-soluble guanylate cyclase-cyclic guanosine monophosphate (iNOS-NO-sGC-cGMP). Meanwhile, it also play a role in inhibiting oxidative stress and inflammation. This paper reviews the mechanism of methylene blue in the treatment of sepsis and septic shock, as well as its treatment time window, optimal dose, administration mode and potential adverse reactions, to provide new ideas for clinical treatment.
10.Selective partial neurotomy of muscular branch of triceps in the treatment Of Spastic talipes equines
Yong QI ; Guitao LI ; Wangyang XU ; Guangqin WU ; Dixin WO ; Xunjie JIN ; Zoohong CHEN ; Xiran CHEN
International Journal of Surgery 2010;37(7):466-468
Objective To summarize and explore the clinical value of selective partial neurotomy of muscular branch of triceps in the treatment of spastic talipes equines.Methods Forty-two cases were included in our study from Aug.2000 to Des.2007,all these cases accepted the operation of selective partial neurotomy muscular branch of triceps.In this study,29 cases were male,13 cases were female.Muscle force of legs,muscular tension,pathologic reflex,gesture and function of legs after operation were compared with that of before operation.Results The mean fallow-up was 18 months.During the fallow-up of this study,muscular tension degraded,the function of ankle joints and the gesture of extremitas inferior were improved obviously.The effective power was about 90% after 12 months follow-up.Conclusions Selective partial neurotomy of muscular branch of triceps is a effective method for the treatment of spastic talipes equines.The operation procedure is simple and effective,and could be generalized in the primary level hospital.

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