1.Exploring Mechanism of Yiqi Huoxue Jiedu Formula in Alleviating Immune Cell Exhaustion in Sepsis Based on Transcriptomics and Metabolomics
Rui CHEN ; Qiusha PAN ; Kaiqiang ZHONG ; Shuqi MA ; Wei HUANG ; Jiahua LAI ; Ruifeng ZENG ; Xiaotu XI ; Jun LI
Chinese Journal of Experimental Traditional Medical Formulae 2026;32(3):109-118
ObjectiveTo observe the effects of Yiqi Huoxue Jiedu formula(YHJF) on immune cell exhaustion in the spleen of septic mice and to explore and validate its potential intervention targets. MethodsMice were randomly divided into the sham-operated, model, low-dose YHJF(4.1 g·kg-1), and high-dose YHJF(8.2 g·kg-1) groups. Except for the sham-operated group, a cecal ligation and puncture(CLP) procedure was performed to establish a mouse sepsis model. The treatment groups received oral administration of the corresponding doses, while the sham-operated and model groups received an equal volume of physiological saline. After the intervention, the 7-day survival rate of each group was recorded, and spleen samples were collected 72 h post-intervention, and the spleen index was calculated. Terminal deoxynucleotidyl transferase deoxyuridine triphosphate(dUTP) nick end labeling(TUNEL) staining was used to detect apoptosis in spleen cells. Enzyme-linked immunosorbent assay(ELISA) was performed to measure the levels of interleukin(IL)-4 and IL-10 in the serum. Transcriptomics and metabolomics were used to screen for differentially expressed genes(DEGs) and differential metabolites in the spleen, followed by bioinformatics analysis to identify key targets. Real-time quantitative polymerase chain reaction(Real-time PCR), flow cytometry, and multiplex immunofluorescence were used to verify the expressions of key genes and proteins. ResultsThe high-dose YHJF group significantly improved the 7-day survival rate of septic mice(P0.05). Compared with the sham-operated group, the model group showed a significant increase in apoptosis of spleen cells and a decrease in the spleen index at 72 h post-modeling, with markedly elevated peripheral serum IL-4 and IL-10 levels(P0.01). Compared with the model group, the high-dose YHJF group showed a reduction in apoptosis of spleen cells, an increase in the spleen index, and a significant decrease in peripheral serum IL-4 and IL-10 levels(P0.05). Spleen transcriptomics identified 255 DEGs between groups, potentially serving as intervention targets for YHJF. Gene Ontology(GO) enrichment analysis revealed that DEGs were mainly involved in biological processes such as natural killer(NK) cell-mediated positive immune regulation, cell killing, cytokine production, positive regulation of innate immune cells, and interferon production. Kyoto Encyclopedia of Genes and Genomes(KEGG) pathway enrichment analysis showed that DEGs were mainly involved in cytokine-cytokine receptor interactions, viral protein interactions with cytokines and cytokine receptors, chemokine signaling pathway, and nuclear transcription factor-κB(NF-κB) signaling pathway. Protein-protein interaction(PPI) network analysis identified CD160, granzyme B(GZMB), and chemokine ligand 4(CCL4) as key targets for YHJF in treating sepsis. Metabolomics identified 46 differential metabolites that were significantly reversed by YHJF intervention, and combined transcriptomics and metabolomics analysis identified 17 differential metabolites closely related to CD160. Pathway enrichment revealed that these metabolites were mainly involved in glycerophospholipid metabolism, arachidonic acid metabolism, glycosylphosphatidylinositol(GPI) anchor biosynthesis, linoleic acid metabolism, and α-linolenic acid metabolism pathways. Verification results showed that, compared with the sham-operated group, the model group exhibited significantly elevated CD160 mRNA expression level in the spleen, along with markedly decreased CCL4 and GZMB mRNA expression, and had a significant increase in CD160 expression on the surface of natural killer T(NKT) cells in the spleen(P0.01). Compared with the model group, the high-dose YHJF group had a significant decrease in CD160 mRNA expression in the spleen, a significant increase in CCL4 and GZMB mRNA expressions. Further flow cytometry and immunofluorescence revealed that compared with the sham-operated group, CD160 expression on the surface of splenic NKT cells in the model group was significantly increased(P0.01), while high-dose YHJF intervention significantly reduced CD160 expression(P0.01). ConclusionYHJF may alleviate NKT cell exhaustion in sepsis by downregulating the expression of the negative co-stimulatory molecule CD160, and this regulatory effect is closely related to fatty acid metabolism pathways. This study provides new insights and targets for further exploration of strengthening vital Qi and detoxifying strategy to improve immune cell exhaustion in acute deficiency syndrome of sepsis.
2.Exploring Mechanism of Yiqi Huoxue Jiedu Formula in Alleviating Immune Cell Exhaustion in Sepsis Based on Transcriptomics and Metabolomics
Rui CHEN ; Qiusha PAN ; Kaiqiang ZHONG ; Shuqi MA ; Wei HUANG ; Jiahua LAI ; Ruifeng ZENG ; Xiaotu XI ; Jun LI
Chinese Journal of Experimental Traditional Medical Formulae 2026;32(3):109-118
ObjectiveTo observe the effects of Yiqi Huoxue Jiedu formula(YHJF) on immune cell exhaustion in the spleen of septic mice and to explore and validate its potential intervention targets. MethodsMice were randomly divided into the sham-operated, model, low-dose YHJF(4.1 g·kg-1), and high-dose YHJF(8.2 g·kg-1) groups. Except for the sham-operated group, a cecal ligation and puncture(CLP) procedure was performed to establish a mouse sepsis model. The treatment groups received oral administration of the corresponding doses, while the sham-operated and model groups received an equal volume of physiological saline. After the intervention, the 7-day survival rate of each group was recorded, and spleen samples were collected 72 h post-intervention, and the spleen index was calculated. Terminal deoxynucleotidyl transferase deoxyuridine triphosphate(dUTP) nick end labeling(TUNEL) staining was used to detect apoptosis in spleen cells. Enzyme-linked immunosorbent assay(ELISA) was performed to measure the levels of interleukin(IL)-4 and IL-10 in the serum. Transcriptomics and metabolomics were used to screen for differentially expressed genes(DEGs) and differential metabolites in the spleen, followed by bioinformatics analysis to identify key targets. Real-time quantitative polymerase chain reaction(Real-time PCR), flow cytometry, and multiplex immunofluorescence were used to verify the expressions of key genes and proteins. ResultsThe high-dose YHJF group significantly improved the 7-day survival rate of septic mice(P0.05). Compared with the sham-operated group, the model group showed a significant increase in apoptosis of spleen cells and a decrease in the spleen index at 72 h post-modeling, with markedly elevated peripheral serum IL-4 and IL-10 levels(P0.01). Compared with the model group, the high-dose YHJF group showed a reduction in apoptosis of spleen cells, an increase in the spleen index, and a significant decrease in peripheral serum IL-4 and IL-10 levels(P0.05). Spleen transcriptomics identified 255 DEGs between groups, potentially serving as intervention targets for YHJF. Gene Ontology(GO) enrichment analysis revealed that DEGs were mainly involved in biological processes such as natural killer(NK) cell-mediated positive immune regulation, cell killing, cytokine production, positive regulation of innate immune cells, and interferon production. Kyoto Encyclopedia of Genes and Genomes(KEGG) pathway enrichment analysis showed that DEGs were mainly involved in cytokine-cytokine receptor interactions, viral protein interactions with cytokines and cytokine receptors, chemokine signaling pathway, and nuclear transcription factor-κB(NF-κB) signaling pathway. Protein-protein interaction(PPI) network analysis identified CD160, granzyme B(GZMB), and chemokine ligand 4(CCL4) as key targets for YHJF in treating sepsis. Metabolomics identified 46 differential metabolites that were significantly reversed by YHJF intervention, and combined transcriptomics and metabolomics analysis identified 17 differential metabolites closely related to CD160. Pathway enrichment revealed that these metabolites were mainly involved in glycerophospholipid metabolism, arachidonic acid metabolism, glycosylphosphatidylinositol(GPI) anchor biosynthesis, linoleic acid metabolism, and α-linolenic acid metabolism pathways. Verification results showed that, compared with the sham-operated group, the model group exhibited significantly elevated CD160 mRNA expression level in the spleen, along with markedly decreased CCL4 and GZMB mRNA expression, and had a significant increase in CD160 expression on the surface of natural killer T(NKT) cells in the spleen(P0.01). Compared with the model group, the high-dose YHJF group had a significant decrease in CD160 mRNA expression in the spleen, a significant increase in CCL4 and GZMB mRNA expressions. Further flow cytometry and immunofluorescence revealed that compared with the sham-operated group, CD160 expression on the surface of splenic NKT cells in the model group was significantly increased(P0.01), while high-dose YHJF intervention significantly reduced CD160 expression(P0.01). ConclusionYHJF may alleviate NKT cell exhaustion in sepsis by downregulating the expression of the negative co-stimulatory molecule CD160, and this regulatory effect is closely related to fatty acid metabolism pathways. This study provides new insights and targets for further exploration of strengthening vital Qi and detoxifying strategy to improve immune cell exhaustion in acute deficiency syndrome of sepsis.
3.Expert consensus on neoadjuvant PD-1 inhibitors for locally advanced oral squamous cell carcinoma (2026)
LI Jinsong ; LIAO Guiqing ; LI Longjiang ; ZHANG Chenping ; SHANG Chenping ; ZHANG Jie ; ZHONG Laiping ; LIU Bing ; CHEN Gang ; WEI Jianhua ; JI Tong ; LI Chunjie ; LIN Lisong ; REN Guoxin ; LI Yi ; SHANG Wei ; HAN Bing ; JIANG Canhua ; ZHANG Sheng ; SONG Ming ; LIU Xuekui ; WANG Anxun ; LIU Shuguang ; CHEN Zhanhong ; WANG Youyuan ; LIN Zhaoyu ; LI Haigang ; DUAN Xiaohui ; YE Ling ; ZHENG Jun ; WANG Jun ; LV Xiaozhi ; ZHU Lijun ; CAO Haotian
Journal of Prevention and Treatment for Stomatological Diseases 2026;34(2):105-118
Oral squamous cell carcinoma (OSCC) is a common head and neck malignancy. Approximately 50% to 60% of patients with OSCC are diagnosed at a locally advanced stage (clinical staging III-IVa). Even with comprehensive and sequential treatment primarily based on surgery, the 5-year overall survival rate remains below 50%, and patients often suffer from postoperative functional impairments such as difficulties with speaking and swallowing. Programmed death receptor-1 (PD-1) inhibitors are increasingly used in the neoadjuvant treatment of locally advanced OSCC and have shown encouraging efficacy. However, clinical practice still faces key challenges, including the definition of indications, optimization of combination regimens, and standards for efficacy evaluation. Based on the latest research advances worldwide and the clinical experience of the expert group, this expert consensus systematically evaluates the application of PD-1 inhibitors in the neoadjuvant treatment of locally advanced OSCC, covering combination strategies, treatment cycles and surgical timing, efficacy assessment, use of biomarkers, management of special populations and immune related adverse events, principles for immunotherapy rechallenge, and function preservation strategies. After multiple rounds of panel discussion and through anonymous voting using the Delphi method, the following consensus statements have been formulated: 1) Neoadjuvant therapy with PD-1 inhibitors can be used preoperatively in patients with locally advanced OSCC. The preferred regimen is a PD-1 inhibitor combined with platinum based chemotherapy, administered for 2-3 cycles. 2) During the efficacy evaluation of neoadjuvant therapy, radiographic assessment should follow the dual criteria of Response Evaluation Criteria in Solid Tumors (RECIST) version 1.1 and immune RECIST (iRECIST). After surgery, systematic pathological evaluation of both the primary lesion and regional lymph nodes is required. For combination chemotherapy regimens, PD-L1 expression and combined positive score need not be used as mandatory inclusion or exclusion criteria. 3) For special populations such as the elderly (≥ 70 years), individuals with stable HIV viral load, and carriers of chronic HBV/HCV, PD-1 inhibitors may be used cautiously under the guidance of a multidisciplinary team (MDT), with close monitoring for adverse events. 4) For patients with a poor response to neoadjuvant therapy, continuation of the original treatment regimen is not recommended; the subsequent treatment plan should be adjusted promptly after MDT assessment. Organ transplant recipients and patients with active autoimmune diseases are not recommended to receive neoadjuvant PD-1 inhibitor therapy due to the high risk of immune related activation. Rechallenge is generally not advised for patients who have experienced high risk immune related adverse events such as immune mediated myocarditis, neurotoxicity, or pneumonitis. 5) For patients with a good pathological response, individualized de escalation surgery and function preservation strategies can be explored. This consensus aims to promote the standardized, safe, and precise application of neoadjuvant PD-1 inhibitor strategies in the management of locally advanced OSCC patients.
4.Age-related variations in the oral microbiome revealed by a large population-based study from National Health and Nutrition Examination Survey
CHEN Ming ; ZHONG Kaiyu ; HU Hongying ; YOU Meng
Journal of Prevention and Treatment for Stomatological Diseases 2026;34(2):156-167
Objective:
To explore the characteristics of the diversity and composition of oral microbial flora with age, and to provide a reference for understanding the succession of oral microecology at different ages.
Methods:
Oral rinse 16S rRNA (V4 region) sequencing data from 9 021 participants 14-69 years of age in the 2009-2012 National Health and Nutrition Examination Survey (NHANES) were analyzed. Alpha diversity (Observed OTUs, Faith’s PD, Shannon Index), beta diversity (Bray-Curtis and UniFrac), and genus-level composition were examined using weighted generalized linear models (GLMs), including quadratic terms for age and adjusting for key covariates (gender, race/ethnicity, BMI, smoking status, and periodontitis severity).
Results:
Alpha diversity demonstrated a clear inverted U-shaped trajectory across age, peaking at 25-30 years old and declining thereafter. This trend remained consistent across sex, race, smoking, and periodontal health strata. Beta diversity analyses revealed a modest but steady age-related shift in community structure. Genus-level analyses revealed that Rothia, Prevotella_6, and Lactobacillus increased steadily with age, while Haemophilus, Porphyromonas, and Corynebacterium declined significantly. Notably, potential periodontopathogens, such as Fusobacterium and Treponema_2, peaked in early adulthood before declining with age.
Conclusion
Age is an important driver of oral microbial succession, and the oral microbiome exhibits dynamic changes across different life stages. Future longitudinal and multi-omic studies are warranted to elucidate the mechanisms underlying these age-related trajectories.
6.Real-Time Typical Urodynamic Signal Recognition System Using Deep Learning
Xin LIU ; Ping ZHONG ; Di CHEN ; Limin LIAO
International Neurourology Journal 2025;29(1):40-47
Purpose:
Gold-standard urodynamic examination is widely used in the diagnosis and treatment of lower urinary tract dysfunction. The purpose of urodynamic quality control is to standardize urodynamic examination and ensure its clinical reference value. In our study, we attempted to use a deep learning (DL) algorithm model, mainly for the recognition of typical urodynamic signal, to help physicians complete high-quality urodynamic examinations.
Methods:
Urodynamic image data from 2 cohorts of adult patients with neurogenic bladder were used: (1) 300 patients with neurogenic bladder in our center from 2012 to 2018 (1,960 images used to train and validate the DL model); and (2) 100 patients with neurogenic bladder from 2020 to 2021 (695 images used to test the performance of the DL model). This resulted in a total of 2,655 images to train, validate and test the DL algorithm to predict the urdynamic signals.
Results:
Yolov5l had the best detection performance and the highest comprehensive index score (F1, 0.81; mean average precision, 0.83). Our study is a retrospective single-center study, and the generalization ability of the model has not been verified.
Conclusions
DL algorithms can help operators identify typical urodynamic signals in real time, improve the interpretation and quality of urodynamic examination, and benefit patients.
7.Predicting Survival in Patients with Neuroendocrine Prostate Cancer: A SEER-Based Comprehensive Study
Tianlong LUO ; Jintao HU ; Bisheng CHENG ; Peixian CHEN ; Jianhan FU ; Haitao ZHONG ; Jinli HAN ; Hai HUANG
The World Journal of Men's Health 2025;43(2):415-427
Purpose:
Neuroendocrine prostate cancer (NEPC) represents a particularly aggressive subtype of prostate cancer with a challenging prognosis. The purpose of this investigation is to craft and confirm the reliability of nomograms that can accurately forecast the 1-, 3-, and 5-year overall survival (OS) and cancer-specific survival (CSS) rates for individuals afflicted with NEPC.
Materials and Methods:
Data pertaining to patients diagnosed with NEPC within the timeframe of 2010 to 2020 was meticulously gathered and examined from the Surveillance, Epidemiology, and End Results Program (SEER). To predict OS and CSS, we devised and authenticated two distinct nomograms, utilizing predictive variables pinpointed through both univariate and multivariate Cox regression analyses.
Results:
The study encompassed 393 of NEPC patients, who were systematically divided into training and validation cohorts at a 2:1 ratio. Key prognostic factors were isolated, verified, and integrated into the respective nomograms for OS and CSS. The performance metrics, denoted by C-indices, stood at 0.730, 0.735 for the training set, and 0.784, 0.756 for the validation set. The precision and clinical relevance of the nomograms were further corroborated by the analysis of receiver operating characteristic curves, calibration plots, and decision curve analyses.
Conclusions
The constructed nomograms have demonstrated impressive efficacy in forecasting the 1-, 3-, and 5-year OS and rates for patients with NEPC. Implementing these predictive tools in clinical settings is anticipated to considerably enhance the care and treatment planning for individuals diagnosed with this aggressive form of prostate cancer, thus providing tailored and more precise prognostic assessments.
8.Study on the mechanism of Danggui buxue decoction regulating neutrophil extracellular traps to improve osteo-porosis in rats with premature ovarian failure
Chuiqiao HUANG ; Shuai CHEN ; Qian LI ; Liancheng GUAN ; Jie GAO ; Zhong QIN ; Yunzhi CHEN
China Pharmacy 2025;36(6):655-660
OBJECTIVE To investigate the mechanism through which Danggui buxue decoction regulates neutrophil extracellular traps (NETs) to improve osteoporosis (OP) in rats with premature ovarian failure (POF). METHODS Female SD rats were randomly divided into normal group, model group, calcitriol group, and Danggui buxue decoction low-dose, medium-dose and high-dose groups, with 9 rats in each group. Except for the normal group, all other groups were administered cisplatin via intraperitoneal injection on days 1 and 8 to establish a POF complicated with OP model. Each group received the corresponding drugs or normal saline intragastrically starting from day 5, once a day, for 4 consecutive weeks. After the last medication, serum levels of estradiol (E2), NETs, 25-hydroxyvitamin D3 [25(OH)D3], receptor activator of nuclear factor-κB ligand (RANKL), and osteocalcin (BGP) were measured. The histopathological changes in bone tissue were observed. The expressions of vitamin D receptor (VDR), myeloperoxidase (MPO), neutrophil elastase (NE) and citrullinated histone H3 (CitH3) in bone tissue were detected; the protein expressions of 25-hydroxyvitamin D-1α-hydroxylase (CYP27B1) and 1α,25-dihydroxyvitamin D3-24-hydroxylase (CYP24A1) were also determined. RESULTS Compared with the normal group, the bone tissue of rats in the model group showed a significant reduction in the number of trabeculae, which was thinner broken and poorly connected, with significant destruction of the reticular structure, and an enlarged marrow cavity. Serum levels of NETs and RANKL, the protein expressions of MPO, NE, CitH3 and CYP24A1 in bone tissue were significantly increased or upregulated, while serum levels of E2, 25(OH)D3 and BGP as well as protein expressions of VDR and CYP27B1 were significantly decreased or downregulated (P<0.05). Compared with the model group, the histopathological changes in the bone tissue of rats in each administration group showed some degree of recovery, with significant improvements observed in most quantitative indicators (P<0.05). CONCLUSIONS Danggui buxue decoction can restore the E2 level in POF complicated with OP rats, and improve OP. The mechanism may be related to its ability to upregulate VD level and inhibit the formation of NETs.
9.Clinical observation of metformin in the treatment of diabetes mellitus type 2 complicated with sarcopenia in elderly patients
Xuemei ZHONG ; Min CHEN ; Yayun LING ; Bingqian ZHANG
China Pharmacy 2025;36(6):732-736
OBJECTIVE To investigate the efficacy and safety of metformin in the treatment of diabetes mellitus type 2 (T2DM) complicated with sarcopenia in elderly patients. METHODS From January 2022 to January 2024, clinical data from eligible patients with T2DM complicated with sarcopenia treated at the First Affiliated Hospital of Chongqing Medical and Pharmaceutical College were collected. Patients were randomly assigned into control group (70 cases) and observation group (70 cases) using a random number table. Both groups received routine interventions; control group additionally received subcutaneous injections of Insulin glargine injection before bedtime and Human insulin injection 30 minutes before breakfast, lunch and dinner every day. In addition to the same treatments as the control group, the observation group was administered 0.5 g of Metformin hydrochloride sustained-release tablets orally once daily. Both groups were treated continuously for 24 weeks. Comparisons were made between the two groups in terms of glucose metabolism indexes [fasting blood glucose (FBG), 2 h postprandial blood glucose (2 hBG), and glycosylated hemoglobin (HbA1c)], homeostasis model assessment of insulin resistance (HOMA-IR), appendicular skeletal mass muscle index (ASMI), grip strength, walking speed, lipid metabolism indexes [serum total triglyceride (TG), total cholesterol (TC), low-density lipoprotein cholesterol (LDL-C), and high-density lipoprotein cholesterol (HDL-C)], serological markers [high-sensitivity C reactive protein (hs-CRP), interleukin-6 (IL-6), and ferritin levels] and quality of life. The occurrence of ADR was recorded in both groups. RESULTS 65 patients in the control group and 63 patients in the observation group completed this study, respectively. After treatment, the levels of FBG, 2 hBG, HbA1c, HOMA-IR,TG and TC in both groups, and the levels of hs-CRP, IL-6 and ferritin in observation group were all significantly reduced compared to those before treatment (P<0.05), and the HOMA-IR in observation group was significantly lower than control group (P<0.05); additionally, the grip strength, walking speed, and scores for daily living and activity abilities of observation group were increased than those before treatment and the control group (P<0.05). The incidence of adverse drug reactions in both groups was 2.86%. CONCLUSIONS Metformin can reduce inflammatory factors and ferritin levels, promote the recovery of muscle mass and strength, improve insulin resistance, and quality of life in elderly patients with T2DM complicated with sarcopenia, and does not increase the occurrence of adverse drug reactions.
10.Exploring Mechanism of Breast Cancer Prevention by Liuwei Dihuangwan, Erzhiwan and Zuoguiwan Based on Macrophage Phagocytosis
Lixiang ZHENG ; Yishan CHEN ; Wei QUAN ; Youbao ZHONG ; Zifeng GUO
Chinese Journal of Experimental Traditional Medical Formulae 2025;31(10):10-17
ObjectiveTo investigate the effects of three traditional Chinese medicine formulas for nourishing kidney Yin on the occurrence of breast cancer, including Zuoguiwan(ZGW), Liuwei Dihuangwan(LWDHW) and Erzhiwan(EZW), and to explore their preventive mechanisms from the phagocytic function of macrophages. MethodsTen-month-old post-breeding female mice were randomly divided into the blank group, soy isoflavone group(0.13 g·kg-1·d-1, mixed with feed), ZGW group(2.34 g·kg-1·d-1), LWDHW group(0.56 g·kg-1·d-1), and EZW group(4.68 g·kg-1·d-1). The mice were palpated every 3 d until the age of 18 months, and those with detected lumps were confirmed for tumor development through hematoxylin-eosin(HE) staining, and the incidence of breast cancer in mice was calculated. A total of 40 SPF-grade female SD rats were randomly divided into the blank serum group(physiological saline), ZGW drug-containing serum group(16.20 g·kg-1·d-1of ZGW), LWDHW drug-containing serum group(3.89 g·kg-1·d-1 of LWDHW) and EZW drug-containing serum group(32.40 g·kg-1·d-1 of EZW), each group was orally administered 3 times a day for 5 consecutive days. On the 5th day, blood was collected from the abdominal aorta 1 h after the last gavage to prepare drug-containing serum. The effect of drug-containing serum with different concentrations on the viability of RAW264.7 cells was assessed by cell counting kit-8(CCK-8). Taking 20% of drug-containing serum concentration as the research object, its effect on the expression levels of major histocompatibility complex-Ⅱ(MHC-Ⅱ), CD80 and CD86 on the surface of RAW264.7 cells was detected by immunofluorescence(IF), the phagocytic function of RAW264.7 cells was examined by flow cytometry, and the levels of interleukin-6(IL-6) and nitric oxide(NO) in RAW264.7 cells in the conditioned medium(CM) co culture system of 4T1 cells were detected by enzyme-linked immunosorbent assay(ELISA) and Griess assay. ResultsAfter prophylactic administration, the tumor incidence rates in the soy isoflavone group(4%), ZGW group(4%), LWDHW group(4%), and EZW group(6%) were lower than that in the blank group(8%). Compared with the blank serum group, the drug-containing serum of the three nourishing kidney Yin formulas could enhance the expression levels of MHC-Ⅱ, CD80 and CD86 on the surface of RAW264.7 cells, enhance phagocytic ability towards tumor cells, and reduce the content of IL-6 and increase the level of NO(P<0.05, P<0.01). ConclusionThe three nourishing kidney Yin formulas can reduce the incidence of tumor in mice, the mechanism may be related to activating RAW264.7 cells, increasing their phagocytosis to breast cancer cells, and regulating the secretion of IL-6 and NO.


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