1.Research progress in effect of traditional Chinese medicine on aerobic glycolysis in colorectal cancer.
Xu MA ; Sheng-Long LI ; Guang-Rong ZHENG ; Da-Cheng TIAN ; Gang-Gang LU ; Jie GAO ; Yu-Qi AN ; Li-Yuan CAO ; Liang LI ; Xiao-Yong TANG
China Journal of Chinese Materia Medica 2025;50(6):1496-1506
Colorectal cancer(CRC) is a common malignant tumor worldwide. Due to the treatment intolerance and side effects, CRC rank the top among various cancers regarding the incidence and mortality rates. Therefore, exploring new therapies is of great significance for the treatment of CRC. Aerobic glycolysis(AEG) plays an important role in the microenvironment formation, proliferation, metastasis, and recurrence of CRC and other tumor cells. It has been confirmed that intervening in the AEG pathway can effectively curb CRC. The active ingredients and compound prescriptions of traditional Chinese medicine(TCM) can effectively inhibit the proliferation, metastasis, and drug resistance and regulate the apoptosis of tumor cells by modulating AEG-associated transport proteins [eg, glucose transporters(GLUT)], key enzymes [hexokinase(HK) and phosphofructokinase(PFK)], key genes [hypoxia-inducible factor 1(HIF-1) and oncogene(c-Myc)], and signaling pathways(MET/PI3K/Akt/mTOR). Accordingly, they can treat CRC, reduce the recurrence, and improve the prognosis of CRC. Although AEG plays a key role in the development and progression of CRC, the specific mechanisms are not yet fully understood. Therefore, this article delves into the intrinsic connection of the targets and mechanisms of the AEG pathway with CRC from the perspective of tumor cell glycolysis and explores how active ingredients(oxymatrine, kaempferol, and dioscin) and compound prescriptions(Quxie Capsules, Jiedu Sangen Decoction, and Xianlian Jiedu Prescription) of TCM treat CRC by intervening in the AEG pathway. Additionally, this article explores the shortcomings in the current research, aiming to provide reliable targets and a theoretical basis for treating CRC with TCM.
Humans
;
Colorectal Neoplasms/genetics*
;
Drugs, Chinese Herbal/therapeutic use*
;
Glycolysis/drug effects*
;
Animals
;
Medicine, Chinese Traditional
;
Signal Transduction/drug effects*
2.Comparative analysis of clinical characteristics of term and preterm neonates with necrotizing enterocolitis undergoing surgery.
Jun-Li LI ; Huan WEI ; Qi TAN ; Jian CAO ; Ting ZHU ; Yang ZHANG ; Yuan SHI ; Zheng-Li WANG
Chinese Journal of Contemporary Pediatrics 2025;27(5):595-600
OBJECTIVES:
To study the differences in clinical characteristics of term and preterm neonates with necrotizing enterocolitis (NEC) undergoing surgical treatment.
METHODS:
A retrospective analysis was conducted on the clinical data of 142 NEC neonates who underwent surgery at the Children's Hospital of Chongqing Medical University from June 2017 to August 2023. The neonates were categorized into a preterm group (gestational age <37 weeks; 95 cases) and a term group (gestational age 37-42 weeks; 47 cases) to compare clinical characteristics.
RESULTS:
The preterm group had a higher postnatal age at both diagnosis and surgery compared to the term group (P<0.05). The preterm group also had a higher incidence of preoperative bloody stools, lower preoperative platelet counts, and higher rates of preoperative respiratory distress, apnea, reduced/absent bowel sounds, and mechanical ventilation compared to the term group (P<0.05). Postoperatively, the preterm group had higher rates of purulent meningitis, sepsis, and coagulation dysfunction, lower postoperative platelet counts, and lower intraoperative minimum body temperature than the term group (P<0.05).
CONCLUSIONS
There are significant differences in the clinical characteristics of preterm and term neonates with NEC undergoing surgery, suggesting the need for tailored perioperative management strategies based on these characteristics.
Humans
;
Enterocolitis, Necrotizing/surgery*
;
Infant, Newborn
;
Retrospective Studies
;
Male
;
Female
;
Infant, Premature
;
Gestational Age
3.Analysis of the Results of Thalassemia Gene Screening in 9 334 Cases in Guiyang Region.
Chun-Huan ZHOU ; Wen-Bing ZOU ; Zheng-Yuan CAO
Journal of Experimental Hematology 2025;33(2):486-490
OBJECTIVE:
To investigate the common genotypes and distribution characteristics of thalassemia in Guiyang region, and preliminarily analyze the rare mutations of globin genes in this area.
METHODS:
A total of 9 334 individuals who came to our hospital for thalassemia screening from June 2016 to February 2023 were included in this study. They were examined for common thalassemia mutations using PCR-based flow-through hybridization technology. Meanwhile, rare and unknown mutations were detected by Sanger sequencing.
RESULTS:
Among the 9 334 cases, 895 positive cases of common thalassemia were detected, with a positive rate of 9.59%. Among the positive samples, 565 cases (63.13%) were confirmed to be α thalassemia, of which the most common genotypes were αα/-α3.7 (46.37%), followed by αα/--SEA(26.55%) and αα/-α4.2(10.62%); 310 cases (34.64%) were diagnosed as β thalassemia, with βCD17/βN (39.35%) being the most frequent genotype, followed by βCD41-42 /βN (31.29%) and β IVS-II-654/ βN (12.90%). There were 20 cases (2.23%) of αβ complex thalassemia, mainly being αα/-α3.7 combined with βCD17 /βN . Additionally, 8 cases of rare globin gene mutations were found by Sanger sequencing, including 7 mutation types. Among them, HBB: c. -137C> T (-87 C>T) was reported for the first time in Guizhou; HBA1 : c.*29C>T and HBB : c. 93-50C>T (IVS I-81C>T) were new mutations that had not been recorded in either the HbVar or IthaGenes database.
CONCLUSION
Guiyang region has a high incidence of thalassemia mutations, and these mutations are diverse and complex. Analyzing gene mutation types of thalassemia in this area can contribute to the prevention of the birth of children with severe thalassemia.
Humans
;
Genotype
;
Mutation
;
beta-Thalassemia/genetics*
;
alpha-Thalassemia/genetics*
;
Thalassemia/epidemiology*
;
Genetic Testing
;
China/epidemiology*
;
Male
;
Female
4.Expert consensus on prognostic evaluation of cochlear implantation in hereditary hearing loss.
Xinyu SHI ; Xianbao CAO ; Renjie CHAI ; Suijun CHEN ; Juan FENG ; Ningyu FENG ; Xia GAO ; Lulu GUO ; Yuhe LIU ; Ling LU ; Lingyun MEI ; Xiaoyun QIAN ; Dongdong REN ; Haibo SHI ; Duoduo TAO ; Qin WANG ; Zhaoyan WANG ; Shuo WANG ; Wei WANG ; Ming XIA ; Hao XIONG ; Baicheng XU ; Kai XU ; Lei XU ; Hua YANG ; Jun YANG ; Pingli YANG ; Wei YUAN ; Dingjun ZHA ; Chunming ZHANG ; Hongzheng ZHANG ; Juan ZHANG ; Tianhong ZHANG ; Wenqi ZUO ; Wenyan LI ; Yongyi YUAN ; Jie ZHANG ; Yu ZHAO ; Fang ZHENG ; Yu SUN
Journal of Clinical Otorhinolaryngology Head and Neck Surgery 2025;39(9):798-808
Hearing loss is the most prevalent disabling disease. Cochlear implantation(CI) serves as the primary intervention for severe to profound hearing loss. This consensus systematically explores the value of genetic diagnosis in the pre-operative assessment and efficacy prognosis for CI. Drawing upon domestic and international research and clinical experience, it proposes an evidence-based medicine three-tiered prognostic classification system(Favorable, Marginal, Poor). The consensus focuses on common hereditary non-syndromic hearing loss(such as that caused by mutations in genes like GJB2, SLC26A4, OTOF, LOXHD1) and syndromic hereditary hearing loss(such as Jervell & Lange-Nielsen syndrome and Waardenburg syndrome), which are closely associated with congenital hearing loss, analyzing the impact of their pathological mechanisms on CI outcomes. The consensus provides recommendations based on multiple round of expert discussion and voting. It emphasizes that genetic diagnosis can optimize patient selection, predict prognosis, guide post-operative rehabilitation, offer stratified management strategies for patients with different genotypes, and advance the application of precision medicine in the field of CI.
Humans
;
Cochlear Implantation
;
Prognosis
;
Hearing Loss/surgery*
;
Consensus
;
Connexin 26
;
Mutation
;
Sulfate Transporters
;
Connexins/genetics*
5.Single-cell transcriptomics identifies PDGFRA+ progenitors orchestrating angiogenesis and periodontal tissue regeneration.
Jianing LIU ; Junxi HE ; Ziqi ZHANG ; Lu LIU ; Yuan CAO ; Xiaohui ZHANG ; Xinyue CAI ; Xinyan LUO ; Xiao LEI ; Nan ZHANG ; Hao WANG ; Ji CHEN ; Peisheng LIU ; Jiongyi TIAN ; Jiexi LIU ; Yuru GAO ; Haokun XU ; Chao MA ; Shengfeng BAI ; Yubohan ZHANG ; Yan JIN ; Chenxi ZHENG ; Bingdong SUI ; Fang JIN
International Journal of Oral Science 2025;17(1):56-56
Periodontal bone defects, primarily caused by periodontitis, are highly prevalent in clinical settings and manifest as bone fenestration, dehiscence, or attachment loss, presenting a significant challenge to oral health. In regenerative medicine, harnessing developmental principles for tissue repair offers promising therapeutic potential. Of particular interest is the condensation of progenitor cells, an essential event in organogenesis that has inspired clinically effective cell aggregation approaches in dental regeneration. However, the precise cellular coordination mechanisms during condensation and regeneration remain elusive. Here, taking the tooth as a model organ, we employed single-cell RNA sequencing to dissect the cellular composition and heterogeneity of human dental follicle and dental papilla, revealing a distinct Platelet-derived growth factor receptor alpha (PDGFRA) mesenchymal stem/stromal cell (MSC) population with remarkable odontogenic potential. Interestingly, a reciprocal paracrine interaction between PDGFRA+ dental follicle stem cells (DFSCs) and CD31+ Endomucin+ endothelial cells (ECs) was mediated by Vascular endothelial growth factor A (VEGFA) and Platelet-derived growth factor subunit BB (PDGFBB). This crosstalk not only maintains the functionality of PDGFRA+ DFSCs but also drives specialized angiogenesis. In vivo periodontal bone regeneration experiments further reveal that communication between PDGFRA+ DFSC aggregates and recipient ECs is essential for effective angiogenic-osteogenic coupling and rapid tissue repair. Collectively, our results unravel the importance of MSC-EC crosstalk mediated by the VEGFA and PDGFBB-PDGFRA reciprocal signaling in orchestrating angiogenesis and osteogenesis. These findings not only establish a framework for deciphering and promoting periodontal bone regeneration in potential clinical applications but also offer insights for future therapeutic strategies in dental or broader regenerative medicine.
Receptor, Platelet-Derived Growth Factor alpha/metabolism*
;
Humans
;
Neovascularization, Physiologic/physiology*
;
Dental Sac/cytology*
;
Single-Cell Analysis
;
Transcriptome
;
Mesenchymal Stem Cells/metabolism*
;
Bone Regeneration
;
Animals
;
Dental Papilla/cytology*
;
Periodontium/physiology*
;
Stem Cells/metabolism*
;
Regeneration
;
Angiogenesis
6.Expert consensus on the treatment of oral diseases in pregnant women and infants.
Jun ZHANG ; Chenchen ZHOU ; Liwei ZHENG ; Jun WANG ; Bin XIA ; Wei ZHAO ; Xi WEI ; Zhengwei HUANG ; Xu CHEN ; Shaohua GE ; Fuhua YAN ; Jian ZHOU ; Kun XUAN ; Li-An WU ; Zhengguo CAO ; Guohua YUAN ; Jin ZHAO ; Zhu CHEN ; Lei ZHANG ; Yong YOU ; Jing ZOU ; Weihua GUO
International Journal of Oral Science 2025;17(1):62-62
With the growing emphasis on maternal and child oral health, the significance of managing oral health across preconception, pregnancy, and infancy stages has become increasingly apparent. Oral health challenges extend beyond affecting maternal well-being, exerting profound influences on fetal and neonatal oral development as well as immune system maturation. This expert consensus paper, developed using a modified Delphi method, reviews current research and provides recommendations on maternal and child oral health management. It underscores the critical role of comprehensive oral assessments prior to conception, diligent oral health management throughout pregnancy, and meticulous oral hygiene practices during infancy. Effective strategies should be seamlessly integrated across the life course, encompassing preconception oral assessments, systematic dental care during pregnancy, and routine infant oral hygiene. Collaborative efforts among pediatric dentists, maternal and child health workers, and obstetricians are crucial to improving outcomes and fostering clinical research, contributing to evidence-based health management strategies.
Humans
;
Pregnancy
;
Female
;
Infant
;
Consensus
;
Mouth Diseases/therapy*
;
Pregnancy Complications/therapy*
;
Oral Health
;
Infant, Newborn
;
Delphi Technique
;
Oral Hygiene
7.Chlorogenic acid mitigates glucocorticoid-induced osteoporosis via modulation of HER2/AKT/mTOR signaling pathway.
An-Na XIE ; Sun-Zheng-Yuan ZHANG ; Yu ZHANG ; Jin-Long CAO ; Cheng-Long WANG ; Li-Bo WANG ; Hong-Jin WU ; Jie ZHANG ; Wei-Wei DAI
Journal of Integrative Medicine 2025;23(6):670-682
OBJECTIVE:
Glucocorticoid-induced osteoporosis (GIOP) is a common complication of prolonged glucocorticoid therapy. Chlorogenic acid (CGA), a polyphenol with antioxidant properties that is extracted from traditional Chinese medicines such as Eucommiae Cortex, has potential anti-osteoporotic activity. This study aimed to investigate the possible effects of CGA on GIOP in mice and murine long bone osteocyte Y4 (MLO-Y4) cells and explore the underlying molecular mechanisms.
METHODS:
The protective effects of CGA were initially evaluated in the GIOP mouse model induced by dexamethasone (Dex). The micro-computed tomography, hematoxylin-eosin staining, silver nitrate staining, and serum detection were used to assess the efficacy of CGA for improving bone formation in vivo. Then, network pharmacology analysis was used to predict the potential targets and molecular mechanisms underlying the therapeutic efficacy of CGA against GIOP. After that, 2',7'-dichlorofluorescein diacetate staining, flow cytometry, real-time quantitative reverse transcription polymerase chain reaction, and Western blotting were used to verify the mechanisms of CGA against GIOP in vitro.
RESULTS:
Animal experiments showed that CGA treatment effectively attenuated Dex-induced decreases in bone mass and strength and improved disrupted osteocyte morphology in mice. The protein-protein interaction analysis highlighted erb-b2 receptor tyrosine kinase (ERBB2), which is also known as human epidermal growth factor receptor 2 (HER2), caspase-3, kinase insert domain receptor, matrix metallopeptidase 9, matrix metallopeptidase 2, proto-oncogene tyrosine-protein kinase Src, and epidermal growth factor receptor as core targets. The Kyoto Encyclopedia of Genes and Genomes analysis revealed several significantly enriched pathways (P < 0.05), including the ERBB, phosphoinositide 3 kinase-AKT serine/threonine kinase 1 (AKT), and mechanistic target of rapamycin kinase (mTOR) pathways. Cellular experiments verified that CGA enhanced bone formation and promoted autophagy while inhibiting apoptosis in MLO-Y4 cells exposed to Dex, which was associated with the upregulated expression of HER2 and activation of the HER2/AKT/mTOR signaling pathway.
CONCLUSION
CGA exerted anti-osteoporotic effects against GIOP, partially through targeting osteocytes and modulating the HER2/AKT/mTOR signaling pathway. Please cite this article as: Xie AN, Zhang SZY, Zhang Y, Cao JL, Wang CL, Wang LB, Wu HJ, Zhang J, Dai WW. Chlorogenic acid mitigates glucocorticoid-induced osteoporosis via modulation of HER2/AKT/mTOR signaling pathway. J Integr Med. 2025; 23(6):670-682.
Animals
;
Chlorogenic Acid/therapeutic use*
;
Osteoporosis/metabolism*
;
Signal Transduction/drug effects*
;
Proto-Oncogene Proteins c-akt/metabolism*
;
TOR Serine-Threonine Kinases/metabolism*
;
Mice
;
Glucocorticoids/adverse effects*
;
Receptor, ErbB-2/metabolism*
;
Proto-Oncogene Mas
;
Dexamethasone/adverse effects*
;
Osteocytes/drug effects*
;
Osteogenesis/drug effects*
;
Male
;
Cell Line
;
Mice, Inbred C57BL
;
Humans
8.Pachymaran regulates pyroptosis of liver cancer cells via SQLE/NLRP3/GSDMD signaling pathway
Ying YANG ; Yuan CAO ; Jiao ZHAO ; Zheng LI ; Qun WANG ; Hao GAO ; Xiaofei SUN ; Mingdian YUAN ; Nan SONG
Chinese Journal of Pathophysiology 2024;40(3):444-455
AIM:Using bioinformatics analysis and experiment validation to explore the differential expres-sion genes related to abnormal lipid metabolism in hepatocellular carcinoma(HCC)and the molecular mechanism of pachymaran affecting pyroptosis through squalene epoxidase(SQLE)/nucleotide-binding oligomerization domain-like re-ceptor protein 3(NLRP3)/gasdermin D(GSDMD)signaling pathway.METHODS:(1)The GEO,GSEA,DAVID,STRING and GEPIA databases were employed to screen abnormal lipid metabolism-related differentially expressed genes in HCC.(2)The tumor tissues from HCC patients(n=9)were collected to verify the differential expression of SQLE.(3)The inhibitory effect of pachymaran on the viability of human HCC cell line HepG2 was measured by CCK-8 assay.(4)The HepG2 cells were divided into control group and pachymaran(800 mg/L)group.The cell migration was analyzed by wound-healing assay,and RT-qPCR was used to measure SQLE mRNA expression.(5)The HepG2 cells with overexpres-sion of SQLE(OE-SQLE)were divided into 5 groups as follows:control group,overexpression negative control(OE-NC)group,OE-SQLE group,OE-NC+pachymaran group,and OE-SQLE+pachymaran group.The mRNA and protein expres-sion levels of SQLE and pyroptosis-related factors were determined by RT-qPCR and Western blot.Colorimetric method and ELISA were used to measure lactate dehydrogenase(LDH),interleukin-1β(IL-1β)and IL-18 levels.The necrosis of HepG2 cells was analyzed by flow cytometry.RESULTS:The SQLE gene was screened through bioinformatics analysis,and its mRNA expression was significantly increased in tumor tissues from HCC patients(P<0.01).In cell experiments,treatment with 800 mg/L pachymaran for 48 h had a significant inhibitory effect on HepG2 cell viability,and the expres-sion of SQLE mRNA was reduced(P<0.01).After overexpression of SQLE,the mRNA and protein levels of pyroptosis-re-lated factors,necrotic rate,and LDH,IL-1β and IL-18 levels were significantly decreased(P<0.05).After treatment with pachymaran,the above indicators were significantly increased(P<0.05).CONCLUSION:The SQLE is abnormal-ly highly expressed in HCC,and pachymaran can affect the growth of HCC cells by activating the NLRP3/GSDMD pyropto-sis pathway through SQLE.
9.Herbal Textual Research, Quality Evaluation and Phase Analysis of Ophicalcitum
Jianxiong WEI ; Mingyang YUAN ; Hongjiao CUI ; Yan CAO ; Guohua ZHENG ; Juan LI
Chinese Journal of Experimental Traditional Medical Formulae 2024;30(21):185-193
By reviewing the historical materia medica, medical books and modern literature, this paper has systematically sorted out and verified the name, origin, quality and other aspects of Ophicalcitum. After herbal textual research, it is shown that before the Qing dynasty, the mineral medicine was mostly recorded in the name of Huarushi, but now it is called Huaruishi, and there is another mixed name Baiyunshi. The light white spots described in the historical materia medica are consistent with the characteristics of marble with sparkling star-like luster, combined with the color like sulfur, color are green, black spots and other serpentine features, it is deduced that it is serpentine marble, consistent with the present-day Ophicalcitum, and Ophicalcitum in the Song dynasty has a high content of serpentine. The main producing areas are Henan, Shaanxi, Shanxi and Sichuan, Jiangsu, Zhejiang, Hebei and other places are also available. Successive generations of materia medica on the quality evaluation of Ophicalcitum is less, the modern to neat and firm in the texture, sandwiched with yellow-green mottled for the best. Ophicalcitum is acidic, astringent and neutral in nature, belonging to the liver meridian, with the efficacy of treatment of gold sores and blood flow, internal leakage of cataracts, dropping afterbirth, now describing its efficacy as removing blood stasis and stopping bleeding. In ancient times, the earliest processing method was burning, followed by calcination by sulphur, calcination, quenching with vinegar and other methods. In modern times, it has been simplified to open calcination, processing with vinegar and the addition of water quenching. The gravimetric method and ethylenediaminetetraacetic acid titration were used to detect the contents of CO32- and CaCO3 in Ophicalcitum, respectively, and it was found that the gap in CaCO3 content among commercially available products was wide, and the content of CaCO3 in sample S13 and sample S18 was the same, but their compositions were different, and according to the contents of CO32- and CaCO3, the dolomite and calcite contents could be calculated, of which the higher the calcite content the more obvious the sparkling star-like luster. Raman spectroscopy and X-ray diffraction(XRD) were used to detect the physical phase composition of the powder of the samples, and Raman spectroscopy was used for the rapid non-destructive testing of the striped part, which showed that Ophicalcitum was mainly composed of dolomite, calcite, serpentine, olivine and pyroxene, with serpentine dominanting the striped part. In summary, the 2020 edition of Chinese Pharmacopoeia stipulates that the content of CaCO3 in Ophicalcitum is not less than 40%, which is difficult to control its quality, and it is suggested to increase the detection of CO32- content. This study can provide a scientific basis for the traceability of Ophicalcitum and better guide the clinical medication and rational utilization of resources.
10.Low intramuscular adipose tissue index is a protective factor of all-cause mortality in maintenance dialysis patients
Jing ZHENG ; Shimei HOU ; Keqi LU ; Yu YAN ; Shuyan ZHANG ; Li YUAN ; Min LI ; Jingyuan CAO ; Yao WANG ; Min YANG ; Hong LIU ; Xiaoliang ZHANG ; Bicheng LIU ; Bin WANG
Chinese Journal of Nephrology 2024;40(2):101-110
Objective:To investigate the relationship between intramuscular adipose tissue index (IATI) calculated from computed tomography images at transverse process of the first lumbar and all-cause mortality in maintenance dialysis patients, and to provide a reference for improving the prognosis in these patients.Methods:It was a multicenter retrospective cohort study. The clinical data of patients who received maintenance hemodialysis or peritoneal dialysis treatment from January 1, 2017 to December 31, 2019 in 4 grade Ⅲ hospitals including Zhongda Hospital Affiliated to Southeast University, Taizhou People's Hospital Affiliated to Nanjing Medical University, Affiliated Hospital of Yangzhou University, and the Third Affiliated Hospital of Soochow University were retrospectively collected. IATI was calculated by low attenuation muscle (LAM) density/skeletal muscle density. The receiver-operating characteristic curve was used to determine the optimal cut-off value of IATI, and the patients were divided into high IATI group and low IATI group according to the optimal cut-off value. The differences of baseline clinical data and measurement parameters of the first lumbar level between the two groups were compared. The follow-up ended on December 23, 2022. The endpoint event was defined as all-cause mortality within 3 years. Kaplan-Meier survival curve and log-rank test were used to analyze the survival rates and the differences between the two groups. Multivariate Cox regression analysis models were used to analyze the association between IATI and the risk of all-cause mortality in maintenance dialysis patients. Multivariate logistic regression analysis model was used to analyze the influencing factors of high IATI.Results:A total of 478 patients were eligibly recruited in this study, with age of (53.55±13.19) years old and 319 (66.7%) males, including 365 (76.4%) hemodialysis patients and 113 (23.6%) peritoneal dialysis patients. There were 376 (78.7%) patients in low IATI (<0.42) group and 102 (21.3%) patients in high IATI (≥0.42) group. The proportion of age ≥ 60 years old ( χ2=24.746, P<0.001), proportion of diabetes mellitus ( χ2=5.570, P=0.018), fasting blood glucose ( t=-2.145, P=0.032), LAM density ( t=-3.735, P<0.001), LAM index ( t=-7.072, P<0.001), and LAM area/skeletal muscle area ratio ( Z=-9.630, P<0.001) in high IATI group were all higher than those in low IATI group, while proportion of males ( χ2=11.116, P<0.001), serum albumin ( Z=2.708, P=0.007) and skeletal muscle density ( t=12.380, P<0.001) were lower than those in low IATI group. Kaplan-Meier survival analysis showed that the 3-years overall survival rate of low IATI group was significantly higher than that in high IATI group (Log-rank χ2=19.188, P<0.001). Multivariate Cox regression analysis showed that IATI<0.42 [<0.42/≥0.42, HR(95% CI): 0.50 (0.31-0.83), P=0.007] was an independent protective factor of all-cause mortality, and age ≥60 years old [ HR (95% CI): 2.61 (1.60-4.23), P<0.001], diabetes mellitus [ HR (95% CI): 1.71 (1.06-2.78), P=0.029] and high blood neutrophil/lymphocyte ratio [ HR (95% CI): 1.04 (1.00-1.07), P=0.049] were the independent risk factors of all-cause mortality in maintenance dialysis patients. Stepwise Cox regression analysis showed that IATI<0.42 was still an independent protective factor of all-cause mortality in maintenance dialysis patients [<0.42/≥0.42, HR (95% CI): 0.45 (0.27-0.76), P=0.003]. Multivariate logistic regression analysis showed that low skeletal muscle density [ OR (95% CI): 0.84 (0.81-0.88), P<0.001] and high serum triglyceride [ OR (95% CI): 1.39 (1.07-1.82), P=0.015] were the independent influencing factors of IATI≥0.42. Conclusion:IATI<0.42 of the first lumbar level is an independent protective factor of all-cause mortality in maintenance dialysis patients. Localized myosteatosis within high-quality skeletal muscle may reduce the risk of all-cause mortality in these patients.

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