1.Evaluation of Anti-osteoporosis Activity and Hepatotoxicity of Xianling Gubao Based on Zebrafish Model
Qiuman LI ; Yue QIAN ; Zixuan ZHU ; Yuan SONG ; Qian DENG ; Shengyun DAI ; Chongjun ZHAO
Chinese Journal of Experimental Traditional Medical Formulae 2025;31(4):87-94
ObjectiveTo investigate the association and translational mechanism between the hepatotoxicity of Xianling Gubao (XLGB) and its treatment of osteoporosis based on a zebrafish model. MethodsZebrafish were randomly selected four days after fertilization (4 dpf) and exposed to different concentrations of XLGB (0.7,0.35 mg·L-1) for 96 h. At the endpoint of the exposure, the mortality rates of zebrafish in the treatment groups of different concentrations were counted, and the "dose-toxicity" curves were plotted. The 10% sublethal concentration (LC10) was calculated. The liver area, acridine orange staining, and pathological tissue sections of transgenic zebrafish [CZ16 (gz15Tg.Tg (fabp 10a: ds Red; ela31: EGFP)] were used as indicators to confirm the hepatic damage caused by the sublethal concentration of XLGB. By using the prednisolone (PNSL)-induced osteoporosis model of zebrafish, the anti-osteoporosis activity of XLGB was evaluated by using the area of skull stained by alizarin red and the cumulative optical density value as indicators. Then, the toxicity difference of XLGB on the liver of zebrafish in healthy and osteoporotic states was compared, and the mechanism of the translational action of the toxicity of XLGB was predicted based on network pharmacology and real-time polymerase chain reaction(Real-time PCR). ResultsThe LC10 of XLGB on zebrafish (8 dpf) was 0.7 mg·L-1. Compared with the blank group, the sublethal concentration (LC10=0.7 mg·L-1, 1/2 LC10=0.35 mg·L-1) of XLGB induced an increase in the number of apoptosis of hepatocytes in a dose-dependent manner, and the tissue arrangement of the liver was disordered and loose. The vacuoles were obvious, and the fluorescence area of the liver was significantly reduced (P<0.01). Compared with the blank group, the mineralized area and cumulative optical density value of zebrafish skull in the PNSL model group were significantly reduced (P<0.01), and those in the 0.7,0.35 mg·L-1 XLGB treatment group were significantly increased compared with the model group (P<0.01). Most importantly, 0.7 mg·L-1 XLGB had no significant effect on the liver of zebrafish in the osteoporosis disease model compared with the blank group. The results of network pharmacology and real-time PCR experiments showed that the toxic transformation of XLGB might be related to the differences in the expression levels of key targets, such as tumor protein 53 (TP53), cysteine aspartic acid specific protease-3(Caspase-3), interleukin(IL)-6, and alkaline phosphatase(ALP) in different organismal states. ConclusionUnder certain conditions, XLGB has hepatotoxicity in normal zebrafish, but under osteoporotic conditions, XLGB not only exerts significant anti-osteoporosis activity but also alleviates hepatotoxicity significantly, which provides a reference for the safe clinical use of XLGB and real evidence for the theories of traditional Chinese medicine of attacking poison with poison and of treating disease with corresponding drugs without damage to the body.
2.Application of progressive exercise training based on mMRC grading in respiratory rehabilitation for patients with chronic obstructive pulmonary disease in a primary healthcare setting
Tingting GE ; Chengyue ZHU ; Yanan ZHANG ; Zixuan ZHENG ; Jiannan LI ; Junqing LI ; Zhijun JIE ; Jindong SHI ; Hanwei ZHAO
Chinese Journal of Clinical Medicine 2025;32(4):578-584
Objective To explore the efficacy of progressive exercise training based on the modified Medical Research Council dyspnea scale (mMRC) grading in respiratory rehabilitation for patients with chronic obstructive pulmonary disease (COPD) at a primary healthcare setting. Methods A total of 106 patients with COPD admitted to Zhuanqiao Community Health Service Center in Shanghai from Aug.1, 2022 to Jul. 30, 2024 were selected as research subjects. They were randomly divided into a study group and a control group in a 1∶1 ratio, with 53 patients in each group. The control group received conventional treatment, while the study group received conventional treatment combined with progressive exercise training. After 4 weeks of continuous treatment, the changes in the 6-minute walk test (6MWT), COPD assessment test (CAT) score, mMRC grading, Global Initiative for Chronic Obstructive Lung Disease (GOLD) grading and pulmonary function were compared between the two groups. Results Patients in both groups showed improvements in 6MWT distance, CAT score, mMRC grading, GOLD grading, and pulmonary function compared to baseline (P<0.05). Moreover, the study group had better improvements in 6MWT distance, CAT score, mMRC grading, GOLD grading, and pulmonary function than the control group (P<0.05). Conclusions Conventional treatment combined with progressive exercise training based on mMRC grading can enhance the effect of respiratory rehabilitation in patients with COPD, particularly in improving pulmonary function and exercise tolerance.
3.Discussion on the meaning of "yinluo" in Suwen: Shuire Xue Lun.
Haoji WU ; Rui LI ; Zixuan ZHU ; Weijie QIU ; Shangjin LIU
Chinese Acupuncture & Moxibustion 2025;45(2):249-252
By analyzing the understandings of water points (acupoints connected with the kidney) and its association with water (kidney), zangfu organs and meridian-collateral recorded in Suwen: Shuire Xue Lun (Discussion on Water and Heat Diseases in Plain Question), it is found that the recognition on the water points is different from that on water diseases in Huangdi Neijing (the Yellow Emperor 's Inner Classic). The recognition on the water points focuses on the core theory, "rooted at the kidney", to explain the water diseases. Besides, in association with the study on the connotation of "luo" in Huangdi Neijing, it is discovered that "yinluo" discussed in water points is actually the misunderstanding of "zang zhi yinluo" that means "the connection by the kidney". It is shown that the discussion of water points refer to the elaboration of zangfu organs and 57 acupoints connected with water (the kidney), rather than the theory of collaterals. The characteristics of these 57 acupoints involved and the related needling techniques provide a new approach to the treatment of zangfu diseases.
Acupuncture Points
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Humans
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Meridians
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China
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History, Ancient
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Medicine in Literature
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Medicine, Chinese Traditional/history*
;
Acupuncture Therapy/history*
4.Analysis and reinterpretation of chongmai diseases and their pathological manifestations.
Weijie QIU ; Rui LI ; Yu GONG ; Zixuan ZHU ; Haoji WU ; Shangjin LIU
Chinese Acupuncture & Moxibustion 2025;45(12):1839-1845
The diseases and pathological manifestations associated with chongmai (thoroughfare vessel) are the representative in the practical applications of chongmai theory. Elucidating this theory serves as a prerequisite of acupuncture and moxibustion therapy. Based on literature analysis, the diseases and clinical manifestations of chongmai recorded in the time of Huangdi Neijing (The Yellow Emperor's Inner Classic) were analyzed so as to reinterpret the diagnostic process, pathological characteristics, and clinical manifestations of disorders, and evaluate the value of chongmai theory. Chongmai diseases were identified from the palpation initially, known as the "palpation on abdominal pulse". The "qi reversion" of chongmai represents a typical clinical manifestation of chongmai diseases, such as ji (abdominal mass), jia (abdominal hematoma), and shan (hernia), occurring in different sites of the abdomen and in different pathological stages. A part of distribution of chongmai is considered in clinical manifestation, diagnosis and treatment of acupuncture and moxibustion. To emphasize the significance of chongmai in modern acupuncture-moxibustion theory and practice, the diagnostic and therapeutic patterns of the related disorders should be considered in clinical practice. The characteristics of chongmai are reflected in three aspects: qi, blood and abdomen, which are determined by both its inherent properties and the clinical manifestations of related diseases.
Humans
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Acupuncture Therapy
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Moxibustion
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History, Ancient
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Meridians
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Medicine, Chinese Traditional
5.ANXA2 and NF-κB positive feedback loop promotes high glucose-induced pyroptosis in renal tubular epithelial cells.
Jiayi YANG ; Yang LUO ; Zixuan ZHU ; Wenbin TANG
Journal of Central South University(Medical Sciences) 2025;50(6):940-954
OBJECTIVES:
Pyroptosis plays a critical role in tubulointerstitial lesions of diabetic kidney disease (DKD). Annexin A2 (ANXA2) is involved in cell proliferation, apoptosis, and adhesion and may be closely related to DKD, but its specific mechanism remains unclear. This study aims to investigate the role and molecular mechanism of ANXA2 in high glucose-induced pyroptosis of renal tubular epithelial cells, providing new targets for DKD prevention and treatment.
METHODS:
Human renal tubular epithelial HK-2 cells were divided into a normal glucose group (5.5 mmol/L), a high glucose group (30.0 mmol/L), and a osmotic control group (24.5 mmol/L mannitol+5.5 mmol/L glucose). ANXA2 expression was modulated by overexpression of plasmids and small interfering RNA (siRNA). Cell proliferation was measured by 5-ethynyl-2'-deoxyuridine (EdU) assay, apoptosis by flow cytometry, and ANXA2, p50, and p65 subcellular localization by immunofluorescence. Western blotting was employed to detect α-smooth muscle actin (α-SMA), fibronectin (FN), and collagen type IV (Col-IV). Real-time fluorescence quantitative PCR (RT-qPCR) and Western blotting were used to analyze nuclear factor-κB (NF-κB) subunits p50/p65 and the pyroptosis pathway factors NLR family Pyrin domain containing 3 (NLRP3), caspase-1, inferleukin (IL)-1β, and IL-18. Protein interactions between ANXA2 and p50/p65 were examined by co-immunoprecipitation, while chromatin immunoprecipitation (ChIP) and dual-luciferase reporter assays were used to examine NF-κB binding to the ANXA2 promoter.
RESULTS:
High glucose upregulated ANXA2 expression and promoted its nuclear translocation (P<0.01). High glucose reduced cell proliferation, increased apoptosis, and elevated α-SMA, FN, and Col-IV expression (all P<0.05); ANXA2 overexpression aggravated these effects (all P<0.05), while ANXA2 knockdown reversed them (all P<0.05). High glucose activated NF-κB and increased NLRP3, caspase-1, L-1β, and IL-18 mRNA and protein expression (all P<0.05); ANXA2 overexpression further enhanced this, whereas knockdown suppressed NF-κB activation and downstream factors (all P<0.05). Co-immunoprecipitation confirmed ANXA2 directly binds the NF-κB subunit p65. ChIP assays revealed p65 binds specifically to ANXA2 promoter regions (ChIP-2, ChIP-4, and ChIP-6), and luciferase activity in corresponding mutant constructs (M2, M4, and M6) was significantly increased versus controls (all P<0.05), confirming positive transcriptional regulation of ANXA2 by p65.
CONCLUSIONS
ANXA2 and NF-κB form a positive feedback loop that sustains NLRP3 inflammasome activation, promotes pyroptosis pathway activation, and aggravates high glucose-induced renal tubular epithelial cell injury. Targeting ANXA2 or blocking its interaction with p65 may be a novel strategy to slow DKD progression.
Humans
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Pyroptosis/drug effects*
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Annexin A2/physiology*
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Epithelial Cells/cytology*
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Kidney Tubules/cytology*
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Glucose/pharmacology*
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Diabetic Nephropathies/metabolism*
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NF-kappa B/metabolism*
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Cell Line
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Cell Proliferation
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Transcription Factor RelA/metabolism*
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Feedback, Physiological
6.Promotive effect of high expression of nerve growth factor in Schwan-like cells induced by adipose-derived stem cells on growth of rat dorsal root ganglion cell protrusion
Qinghua ZHU ; Bo YUAN ; Yilun WANG ; Miao REN ; Xiaofei LI ; Simiao WANG ; Zixuan ZHEN ; Xiumei FU
Journal of Jilin University(Medicine Edition) 2025;51(4):984-995
Objective:To discuss the promotive effect of nerve growth factor(NGF),which is highly expressed in the adipose-derived stem cell(ADSC)-induced Schwann-like cells(SCLCs),on the growth of dorsal root ganglion(DRG)cell processes in the rats,and to clarify its mechanism.Methods:The ADSCs were extracted from the epididymal adipose tissue of the SD rats,and their multidirectional differentiation potential was identified through osteogenic,adipogenic,and chondrogenic induction.The ADSCs were induced to differentiate into the SCLCs,and the expression levels of glial fibrillary acidic protein(GFAP)and S100 calcium-binding protein β(S100β)protein in the ADSCs and SCLCs were detected by immunofluorescence staining and Western blotting methods.The DRG cells were isolated and cultured,and immunofluorescence staining was used to detect the βⅢ-tubulin expression in the DRG cells for identification.The SCLCs were co-cultured with the DRG cells(co-culture group),the single-culture DRG cells were regared as DRG group and toluidine blue staining was used to observe and measure the length of DRG cell processes under the optical microscope in co-culture group and DRG group.Small interfering RNA(siRNA)transfection was used to knock down NGF,and plasmid transfection was used to over-express NGF.Real-time fluorescence quantitative PCR(RT-qPCR)method was used to detect the NGF mRNA expression levels in the cells in various groups;enzyme-linked immunosorbent assay(ELISA)method was used to detect the NGF protein levels in the cell supernatants.The transfected SCLCs were co-cultured with DRG cells and divided into control group,siNC/vector group,NGF knockdown group(si-NGF group),and NGF over-expression group(oe-NGF group).The lengths of DRG cell processes in various groups were observed.Results:The primary ADSCs adhered within 24 h after seeding,with a small number of lipid droplets remaining.After 3 d of culture,the cells were mostly short spindle-shaped,fusiform,or polygonal,growing rapidly in a vortex pattern.After passaging,the cells exhibited a uniform morphology,appearing as long spindles arranged in a fish-school pattern.After 14 d of adipogenic induction,the cell morphology changed from spindle-shaped to flat-round,with translucent lipid droplets forming in the cytoplasm,which were stained red by Oil Red O.After 28 d of osteogenic induction,the cells appeared sand-like with blurred morphology,and calcified nodules were observed,which were stained red by Alizarin Red and deposited in the extracellular matrix.After 28 d of chondrogenic induction in a 3D culture system,millet-sized chondrogenic spheres formed.Frozen sections of the spheres were stained with Alcian Blue,and acidic mucopolysaccharides in the cartilage tissue were stained blue under the microscope.Under the fluorescence microscope,the third-passage purified ADSCs showed positive expression of CD29[fluorescein isothiocy anate(FITC)-labeled green fluorescence]and CD44(Cy3-labeled red fluorescence).The immunofluorescence staining results showed that GFAP was labeled with FITC(green fluorescence),and S100β was labeled with Cy3(red fluorescence).The Western blotting results showed that compared with ADSCs,the expression levels of S100β and GFAP proteins in the SCLCs were increased(P<0.05).The primary DRG cells began to adhere 6 h after conventional culture,and after 3 d,the cell bodies appeared round and bright,with two linear processes extending from them.Under fluorescence microscope,the cells positively expressed the neuron-specific marker βⅢ-tubulin,confirming that the isolated cells were DRG cells.Compared with the ADSCs,the NGF protein expression level in the SCLCs was increased(P<0.05).Compared with DRG group,the length of DRG cell processes in co-culture group was the highest when DRG cells and SCLCs were co-cultured at a 1∶2 ratio(P<0.05).The RT-qPCR results showed that compared with si-NC group,the expression levels of NGF mRNA in the cell supernatant in si-NGF-1,si-NGF-2,and si-NGF-3 groups were significantly decreased(P<0.05),with si-NGF-1 showing the highest knockdown efficiency,which was selected for subsequent experiments.The ELISA results showed that compared with si-NC group,the NGF levels in the cell supernatant of si-NGF-1,si-NGF-2,and si-NGF-3 groups were decreased(P<0.05).Compared with Vector group,the expression level of NGF mRNA and NGF protein level in the supernatant in oe-NGF group were increased(P<0.05).Compared with control group and siNC/vector group,the length of DRG cell processes in si-NGF group was decreased(P<0.05),while the length of DRG cell processes in oe-NGF group was increased(P<0.05).Conclusion:ADSCs can be directionally differentiated into SCLCs,and the differentiated cells highly express NGF.Knockdown or overexpression of NGF can affect the growth of DRG cell processes.
7.Expression and significance of ChREBP network members and TUG1 in intrauterine adhesion
Lingjing ZHU ; Mingqing CHEN ; Zixuan YAN ; Xuelan YAN ; Ying AI
Chongqing Medicine 2025;54(1):7-11,17
Objective To investigate the expression and significance of carbohydrate response element-binding protein(ChREBP)network members(ChREBP,Mlx,Max,Mxd1,HDAC1)and taurine-upregulated gene 1(TUG1)in intrauterine adhesion(IUA).Methods Ten female SD rats with 8 weeks old were selected as the study objects.The mechanical curettage plus lipopolysaccharide infection were used to construct the IUA rat model as the IUA group(n=5)and the uterine cavity of the control group did not perform any oper-ation(n=5);HE and Masson staining were respectively used to assess the number of endometrial glands and the degree of fibrosis;Western blot was used to detect the expression level of ChREBP network members in the nucleus and cytoplasm;RT-qRCR was used to detect the expression level of TUG1.Results Compared with the control group,the number of endometrial glands in the IUA group was decreased(P<0.05),the percentage of the fibrotic area was increased(P<0.05),the protein expression level of ChREBP network members in the nucleus was down-regulated,the protein expression level of ChREBP network members in the cytoplasm was up-regulated and the mRNA relative expression level of TUG1 was up-regulated(P<0.05).Conclusion Blocked nuclear translocation of ChREBP and reduced the recruitment of its downstream network mem-bers may lead to attenuate the repressive effect on TUG1 transcription,thereby promoting IUA occurrence.
8.Influencing factors of severe traumatic brain injury patients with acute respiratory distress syndrome and construction of predictive model
Zixuan WANG ; Jinqiang ZHUANG ; Yan XIAO ; Min ZHU ; Yu WANG ; Siyao XU ; Yuan ZHONG ; Xiaohong LIU
Journal of Clinical Medicine in Practice 2025;29(3):57-63,69
Objective To explore the risk factors associated with the development of acute respir-atory distress syndrome(ARDS)in patients with severe traumatic brain injury(sTBI)and to construct and validate a risk prediction model for ARDS in these patients.Methods Clinical data from 371 sTBI patients admitted to Yangzhou Affiliated Hospital of Yangzhou University between January 2017 and December 2023 were retrospectively collected.Patients were randomly divided into modeling group(n=259)and validation group(n=112)at a 7-to-3 ratio.A nomogram model was constructed after screening for risk factors using the Least Absolute Shrinkage and Selection Operator(LASSO)and multivariate Logistic regression analysis.Model performance was evaluated using the receiver operating characteristic(ROC)curve,area under the curve(AUC),Hosmer-Lemeshow test,calibration curve,and deci-sion curve analysis(DCA).Results Statistically significant differences were observed in heart rate,respiratory rate,pupil size,percutaneous oxygen saturation(SpO2),Glasgow Coma Scale(GCS)score,Acute Physiology and Chronic Health Evaluation Ⅱ(APACHE Ⅱ)score,head Ab-breviated Injury Scale(AIS)score,chest AIS score,emergency intubation,pulmonary infection,associated chest trauma,midline shift,blood transfusion within 12 hours of admission,fluid intake within 24 hours of admission,shock,mechanical ventilation,hemoglobin level,hematocrit,white blood cell count,prothrombin time,international normalized ratio,total protein,albumin,serum calcium,oxygenation index,and base excess between the two groups(P<0.05).Multivariate Lo-gistic regression analysis revealed that SpO2,pulmonary infection,and fluid intake within 24 hours of admission were predictors of ARDS in sTBI patients.The Hosmer-Lemeshow test results for the modeling and validation groups showed good fit(x2=10.373,P=0.240;x2=13.21,P=0.105).DCA results for both groups indicated net benefit at threshold probabilities ranging from 0%to 72%and 0%to 50%,respectively.Conclusion SpO2,pulmonary infection,and fluid in-take within 24 hours of admission are risk factors for ARDS in sTBI patients.The model constructed using these factors demonstrates good performance and provides a reliable tool for clinical screening of high-risk ARDS populations among sTBI patients.
9.Efficacy of concurrent tumor treating fields and chemoradiation in patients with high-grade glioblastoma
Zixuan WANG ; Dan ZONG ; Huanfeng ZHU ; Xiao WANG ; Mingjun DING ; Wenjie GUO ; Jiajun ZHENG ; Xia HE
Chinese Journal of Radiation Oncology 2024;33(4):307-313
Objective:To evaluate the safety and efficacy of tumor-treating fields (TTFields) and chemoradiation in patients with high-grade glioblastoma.Methods:Clinical data of 38 patients admitted to the Jiangsu Cancer Hospital from September 2021 to May 2023 who were diagnosed with high-grade glioblastoma (36 cases of World Health Organization grade Ⅳ and 2 cases of grade Ⅲ) were retrospectively analyzed. All patients received TTFields combined with concurrent chemoradiation after surgery. Response assessment in neuro-oncology (RANO) criteria was used to evaluate the glioma responses as tumor remission, stable or progression. Common terminology criteria for adverse events v5.0 and TTFields related skin adverse reaction (dAE) criteria were used to evaluate the adverse events. Treatment compliance was assessed by data on the NovoTTF-200A therapeutic device, calculated as a percentage of daily TTFields usage time. Survival analysis was estimated by the Kaplan-Meier method and compared by the log-rank test.Results:The median duration of treatment with TTFields in 38 patients was 20 h (rang: 2.4-22.6 h), and the median treatment compliance was 83% (range: 10%-94%). After 42 days of TTFields combined with concurrent chemoradiation, 12 patients who underwent complete tumor resection were assessed as stable according to RANO criteria. Among the 26 patients who underwent partial tumor resection, 23 (88%) were evaluated as disease remission according to RANO criteria. The 7-, 10-, 13-month progression-free survival rate was 81.0%、64.0%、49.5%, repectively. The common adverse events included grade 1 (45%) and grade 2 (8%) dAE, without grade 3-4 dAE. Typical presentations included contact dermatitis, blisters, lesions or ulcers, and abscesses. The median follow-up time was 10.0 months (range: 1.6-21.3 months). At follow-up as of July 2023, 26 of the 38 patients were stable and 12 had disease progression (8 died).Conclusion:The preliminary results show that TTFields combined with chemoradiation is effective, safe and reliable treatment for high-grade glioblastoma.
10.Isolation,identification and biological characteristics of lactic acid bacteria from rumen of Duolang sheep
Shiyu DUAN ; Zixuan WANG ; Yiping ZHU ; Mingwei MAO ; Keremu SIYITI ; Guoliang XIAO ; Shengyue WANG ; Jing LI ; Naisheng ZHANG
Chinese Journal of Veterinary Science 2024;44(8):1651-1658,1734
Under the background of high-intensity fattening,probiotics have gradually become wide-ly used feed additives.It can inhibit the proliferation of pathogenic bacteria,maintain the microeco-logical balance in the digestive tract,and improve the host immune function.In order to screen lac-tic acid bacteria strains with potential probiotic effects,23 acid-producing strains were isolated from rumen fluid of healthy Duolang sheep by CaCO3-MRS solid medium.Safe strains were re-screened through primary screening and hemolysis tests.Acid tolerance tests and bile salt tests were used to screen the strains that were relatively adapted to the rumen environment.The survival rate of the strain M2 was 93.80%under pH3.0 and 59.72%under bile salt concentration of 0.30%and the survival rate is higher than other strains under high temperature conditions.Subsequently,morphological observation,molecular biological identification,testing of pathogen antagonism,antibiotic tolerance analysis,growth characteristics detection and other methods were used to fur-ther explore the characteristics of the strain.The results showed that the strain to be tested was Gram-positive bacillus.After 16S rRNA gene sequence comparison,the strain was identified as Lactobac illus salivus,which could be used as a candidate strain to develop probiotics.The research results laid a foundation for its application in Duolang sheep breeding.

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