1.LC-MS Analysis on Material Basis of Famous Classical Formula Xuefu Zhuyutang
Shujing ZHONG ; Zhaoyue LIU ; Mengge WANG ; Lan MIAO ; Changying REN ; Mingqian SUN ; Li LIN
Chinese Journal of Experimental Traditional Medical Formulae 2026;32(6):188-196
ObjectiveTo systematically identify the chemical constituents of Xuefu Zhuyutang(XFZY) and quantitatively determine its main components, aiming to elucidate its pharmacodynamic material basis and provide a scientific foundation for improving its quality control standards. MethodsUltra-performance liquid chromatography-quadrupole-time-of-flight mass spectrometry(UPLC-Q-TOF-MS/MS) was employed for qualitative analysis of XFZY, and the identification of compounds was accomplished by comparing their retention times, secondary MS fragment ion information, 52 reference standards and relevant databases, followed by attribution of their herbal sources. A total of 22 representative compounds were screened out, and UPLC-quadrupole-linear ion trap mass spectrometry(UPLC-Q-TRAP-MS/MS) was applied for quantitative analysis of the compounds in the formula. ResultsA total of 77 compounds were identified in XFZY, including 31 flavonoids mainly derived from Aurantii Fructus, Glycyrrhizae Radix et Rhizoma, Persicae Semen, Carthami Flos, Bupleuri Radix, Paeoniae Radix Rubra and Achyranthis Bidentatae Radix, 24 terpenoids mainly derived from Platycodonis Radix, Glycyrrhizae Radix et Rhizoma, Paeoniae Radix Rubra and Rehmanniae Radix, 9 phenylpropanoids and their derivatives mainly derived from Chuanxiong Rhizoma, Angelicae Sinensis Radix and Rehmanniae Radix, 4 phenolic acids mainly derived from Chuanxiong Rhizoma, Angelicae Sinensis Radix and Paeoniae Radix Rubra, 3 saccharides mainly derived from Rehmanniae Radix and Achyranthis Bidentatae Radix, and 6 other compounds mainly derived from Persicae Semen, Rehmanniae Radix and Angelicae Sinensis Radix. The results of quantitative analysis showed that the contents of protocatechuic acid, hydroxypaeoniflorin, amygdalin, vanillic acid, paeoniflorin, liquiritin apioside, liquiritin, isoquercitrin, naringin, cosmosiin, hesperidin, neohesperidin, isoliquiritin, liquiritigenin, naringenin, benzoylpaeoniflorin, hesperetin, isoliquiritigenin, formononetin, glycyrrhizic acid, nobiletin and ligustilide in XFZY were determined to be 0.12, 1.57, 54.53, 0.29, 36.17, 4.29, 4.84, 0.09, 46.67, 0.04, 3.44, 31.95, 0.82, 0.10, 0.11, 0.43, 0.07, 0.03, 0.01, 8.24, 0.13, 1.81 mg·g-1. ConclusionThe qualitative method established in this study enables rapid and sensitive analysis of the chemical constituents in XFZY. Among the identified compounds, 52 are confirmed by reference standards, ensuring the accuracy of identification. The quantitative analysis of 22 key components provides a reliable experimental basis for the pharmacodynamic material basis research and quality control standard improvement of XFZY.
2.Exploring on Quality Evaluation Methods of Clinical Case Reports in Traditional Chinese Medicine Based on China Clinical Cases Library of Traditional Chinese Medicine
Kaige ZHANG ; Feng ZHANG ; Bo ZHOU ; Haimin CHEN ; Yong ZHU ; Changcheng HOU ; Liangzhen YOU ; Weijun HUANG ; Jie YANG ; Guoshuang ZHU ; Shukun GONG ; Jianwen HE ; Yang YE ; Yuqiu AN ; Chunquan SUN ; Qingjie YUAN ; Buman LI ; Xingzhong FENG ; Kegang CAO ; Hongcai SHANG ; Jihua GUO ; Xiaoxiao ZHANG ; Zhining TIAN
Chinese Journal of Experimental Traditional Medical Formulae 2026;32(1):271-276
As the core vehicle for preserving and transmitting traditional Chinese medicine(TCM) academic thought and clinical experience, the establishment of a robust quality evaluation system for TCM clinical case reports is a crucial component in the current standardization and modernization of TCM. Based on the practical experience of constructing the China Clinical Cases Library of Traditional Chinese Medicine by the China Association of Chinese Medicine, this study conducted a comprehensive analysis of critical challenges, including insufficient authenticity and unfocused evaluation criteria. It proposed a three-dimensional evaluation framework grounded in the structure-process-outcome logic, encompassing three dimensions of authenticity and standardization, characteristics and advantages, application and translational impact. This framework integrated 12 key evaluation indicators in a systematic manner. The model preserved the academic characteristics of TCM syndrome differentiation and treatment, while aligning with modern scientific research standards, achieving a balance between individualized TCM experience and standardized evaluation. Concurrently, this study provided theoretical foundations and methodological guidance for evaluating the quality of TCM clinical cases, contributing significantly to the inheritance of TCM knowledge, evidence-based practice, and the reform of talent evaluation mechanisms.
3.Efficacy Analysis of RCT of Arsenic-containing TCM Compound in Treatment of Myelodysplastic Syndrome Based on MMRM and Win Ratio
Daxiang SUN ; Peizhen JIANG ; Haixia DI ; Bing WU ; Qifeng LIU ; Jian LIU ; Jiahe LIANG ; Xudong TANG
Chinese Journal of Experimental Traditional Medical Formulae 2026;32(7):251-259
ObjectiveThis paper aims to conduct a secondary analysis of a randomized controlled trial on the treatment of myelodysplastic syndrome (MDS) with deficiency of both the spleen and kidney and blockage of toxin and blood stasis with an arsenic-containing traditional Chinese medicine compound, by applying the mixed model for repeated measure (MMRM) and the method of stratified composite outcome with win ratio. The analysis includes the assessment of hematological efficacy and the composite outcome evaluation of adverse reactions, so as to more comprehensively assess the therapy of this regimen. MethodsThe MMRM and win ratio methods were used to evaluate the efficacy of a prospective,multi-center,double-blind,randomized controlled study. The blood routine (hemoglobin concentration,neutrophil count, and platelet count) and biochemical indexes (aspartate aminotransferase,alanine aminotransferase,serum creatinine,and serum ferritin) of the patients were detected at the time of enrollment and at the end of each course of treatment in the laboratory department of Xiyuan Hospital. The patients' syndromes at the time of enrollment and after treatment were recorded and scored according to the therapy standard of traditional Chinese medicine for diseases and syndromes. MMRM was used to analyze the blood routine indexes of the experimental group and the control group. This method has the advantages of high data reliability and dynamic efficacy under intervention and time. The win ratio method was used to evaluate the composite outcome of traditional Chinese medicine syndrome scores and biochemical indexes according to the priority and to verify the clinical safety of arsenic-containing traditional Chinese medicine compound. ResultsThe results of MMRM analysis showed that the hemoglobin concentration of patients in the group with arsenic-containing traditional Chinese medicine compound increased significantly compared with that before treatment in the group,while that in the placebo group decreased significantly (P<0.01). When compared with that after treatment in the placebo group,the hemoglobin concentration of patients in the group with arsenic-containing traditional Chinese medicine compound increased significantly,and the mean difference of least squares (LS) was statistically significant (P<0.01). When compared with those before treatment in the group,there were no statistically significant differences in the neutrophil count and platelet count in both groups. After treatment,there were no statistically significant differences in the neutrophil count, platelet count, and the mean difference of LS between the two groups. The analysis results of win ratio showed that the group with arsenic-containing traditional Chinese medicine compound had a significant advantage in the comparison of composite outcomes,with a win ratio (95% CI) of 2.01 (1.24-3.27) (P<0.01),and that the possibility of "winning" in terms of safety was 2.01 times that of the placebo group. The safety advantage of the group with arsenic-containing traditional Chinese medicine compound mainly came from the traditional Chinese medicine syndrome scores,renal function indexes, and iron reserve capacity indexes,and the number of winning times was less than that of losing times in the comparison of liver function outcomes. ConclusionThe MMRM analysis proves that the arsenic-containing traditional Chinese medicine compound can significantly improve the hemoglobin concentration of patients with myelodysplastic syndrome with refractory cytopenia and multilineage dysplasia (MDS-RCMD) of the type of deficiency of both the spleen and kidney and blockage of toxin and blood stasis. This conclusion is not interfered with by time trends and individual relationships and methodologically improves the credibility of the therapy of the arsenic-containing traditional Chinese medicine compound in treating MDS. Four outcomes are evaluated by the win ratio method,namely traditional Chinese medicine syndromes,liver function,renal function, and iron reserve capacity,proving that the arsenic-containing traditional Chinese medicine compound has the comprehensive advantages of improving the survival quality of the patients and reducing adverse reactions. The win ratio outcome provides clear comparative indexes for the evaluation of adverse reactions,making it easier for regulatory authorities,medical staff, and patients to understand the safety of the arsenic-containing traditional Chinese medicine compound in clinical application.
4.Research progress on the etiology and treatment of acquired paralytic strabismus
Shuting RU ; Shuiling CHEN ; Wanyu ZHOU ; Wu SUN ; Liqun CHU
International Eye Science 2026;26(4):662-667
Acquired paralytic strabismus is a common neuromuscular disorder in adults,characterized by diplopia, visual confusion, impaired ocular motility, and ocular deviation, which severely affects the patient's quality of life and overall health. The disease has a complex etiology, encompassing multiple pathological mechanisms such as vascular pathologies, trauma, inflammation, neoplasms, and immune-related disorders. Treatment primarily focuses on addressing the underlying cause. While conventional Western approaches, such as medication and surgery, can alleviate symptoms, some carry the risk of adverse effects, and their long-term recurrence rates warrant careful consideration. Traditional Chinese medicine utilizes distinctive therapies such as herbal medicine, acupuncture, and other adjunctive therapies, which have shown promising therapeutic effects but are constrained by a lack of high-quality evidence from large-scale randomized controlled trials. This review systematically summarizes recent advances in the etiological classification and traditional Chinese and Western medical treatments of acquired paralytic strabismus. It innovatively summarizes the clinical features associated with different causes, analyzes current therapeutic strategies and research landscape, aiming to inform clinical practice and suggest future research directions.
5.Determination method of clopidogrel and its metabolites in rat plasma and its pharmacokinetic study
Huan YI ; Lan MIAO ; Changying REN ; Li LIN ; Mingqian SUN ; Qing PENG ; Ying ZHANG ; Jianxun LIU
China Pharmacy 2025;36(13):1599-1603
OBJECTIVE To establish a method for determining the contents of clopidogrel (CLP), clopidogrel carboxylate (CLP-C), clopidogrel acyl-β-D-glucuronide (CLP-G) and contents of clopidogrel active metabolite (CAM) in rat plasma, and to investigate their in vivo pharmacokinetic characteristics. METHODS The Shisedo CAPCELL ADME column was used with a mobile phase consisting of water and acetonitrile (both containing 0.1% formic acid) in a gradient elution. The flow rate was 0.4 mL/min, and the column temperature was maintained at 20 ℃. The injection volume was 2 μL. The analysis was performed in positive ion mode using electrospray ionization with multiple reaction monitoring. The ion pairs for quantitative analysis were m/z 322.1→211.9 (for CLP), m/z 308.1→197.9 (for CLP-C), m/z 322.1→154.8 (for CLP-G), m/z 504.1→154.9 [for racemic CAM derivative (CAMD)]. Six rats were administered a single intragastric dose of CLP (10 mg/kg). Blood samples were collected before medication and at 0.08, 0.33, 0.66, 1, 2, 4, 6, 10, 23 and 35 hours after medication. The established method was used to detect the serum contents of various components in rats. Pharmacokinetic parameters were then calculated using WinNonlin 6.1 software. RESULTS The linear ranges for CLP, CLP-C and CAMD were 0.08-20.00, 205.00-8 000.00, and 0.04-25.00 ng/mL, respectively (r≥0.990). The relative standard deviations for both intra-day and inter-day precision tests were all less than 15%, and the relative errors for accuracy ranged from -11.68% to 14.40%. The coefficients of variation for the matrix factors were all less than 15%, meeting the requirements for bioanalytical method validation. The results of the pharmacokinetic study revealed that, following a single intagastric administration of CLP in rats, the exposure to the parent CLP in plasma was extremely low. Both the area under the drug concentration-time curve (AUC0-35 h) and the peak concentration of the parent CLP were lower than those of its metabolites. The AUC0-35 h of the active metabolite CAM was approximately 43 times that of CLP, though it had a shorter half-life (2.53 h). The inactive metabolite CLP-C exhibited the highest exposure level, but it reached its peak concentration the latest and was eliminated slowly. The AUC0-35 h of CLP-G was about four times that of CAM, and its half-life was similar to that of CLP-C. CONCLUSIONS This study successfully established an liquid chromatography-tandem mass spectrometry method for the determination of CLP and its three metabolites, and revealed their pharmacokinetic characteristics in rats. Specifically, the parent drug CLP was rapidly eliminated, while the inactive metabolites CLP-C and CLP-G exhibited long half-lives, and active metabolite CAM displayed a transient exposure pattern.
6.Optimization of extraction process for Shenxiong Huanglian Jiedu Granules based on AHP-CRITIC hybrid weighting method, grey correlation analysis, and BP-ANN.
Zi-An LI ; De-Wen LIU ; Xin-Jian LI ; Bing-Yu WU ; Qun LAN ; Meng-Jia GUO ; Jia-Hui SUN ; Nan-Yang LIU ; Hui PEI ; Hao LI ; Hong YI ; Jin-Yu WANG ; Liang-Mian CHEN
China Journal of Chinese Materia Medica 2025;50(10):2674-2683
By employing the analytic hierarchy process(AHP), the CRITIC method(a weight determination method based on indicator correlations), and the AHP-CRITIC hybrid weighting method, the weight coefficients of evaluation indicators were determined, followed by a comprehensive score comparison. The grey correlation analysis was then performed to analyze the results calculated using the hybrid weighting method. Subsequently, a backpropagation-artificial neural network(BP-ANN) model was constructed to predict the extraction process parameters and optimize the extraction process for Shenxiong Huanglian Jiedu Granules(SHJG). In the extraction process, an L_9(3~4) orthogonal experiment was designed to optimize three factors at three levels, including extraction frequency, water addition amount, and extraction time. The evaluation indicators included geniposide, berberine, ginsenoside Rg_1 + Re, ginsenoside Rb_1, ferulic acid, and extract yield. Finally, the optimal extraction results obtained by the orthogonal experiment, grey correlation analysis, and BP-ANN method were compared, and validation experiments were conducted. The results showed that the optimal extraction process involved two rounds of aqueous extraction, each lasting one hour; the first extraction used ten times the amount of added water, while the second extraction used eight times the amount. In the validation experiments, the average content of each indicator component was higher than the average content obtained in the orthogonal experiment, with a higher comprehensive score. The optimized extraction process parameters were reliable and stable, making them suitable for subsequent preparation process research.
Drugs, Chinese Herbal/analysis*
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Neural Networks, Computer
7.Expert Consensus on Clinical Application of Qinbaohong Zhike Oral Liquid in Treatment of Acute Bronchitis and Acute Attack of Chronic Bronchitis
Jian LIU ; Hongchun ZHANG ; Chengxiang WANG ; Hongsheng CUI ; Xia CUI ; Shunan ZHANG ; Daowen YANG ; Cuiling FENG ; Yubo GUO ; Zengtao SUN ; Huiyong ZHANG ; Guangxi LI ; Qing MIAO ; Sumei WANG ; Liqing SHI ; Hongjun YANG ; Ting LIU ; Fangbo ZHANG ; Sheng CHEN ; Wei CHEN ; Hai WANG ; Lin LIN ; Nini QU ; Lei WU ; Dengshan WU ; Yafeng LIU ; Wenyan ZHANG ; Yueying ZHANG ; Yongfen FAN
Chinese Journal of Experimental Traditional Medical Formulae 2025;31(4):182-188
The Expert Consensus on Clinical Application of Qinbaohong Zhike Oral Liquid in Treatment of Acute Bronchitis and Acute Attack of Chronic Bronchitis (GS/CACM 337-2023) was released by the China Association of Chinese Medicine on December 13th, 2023. This expert consensus was developed by experts in methodology, pharmacy, and Chinese medicine in strict accordance with the development requirements of the China Association of Chinese Medicine (CACM) and based on the latest medical evidence and the clinical medication experience of well-known experts in the fields of respiratory medicine (pulmonary diseases) and pediatrics. This expert consensus defines the application of Qinbaohong Zhike oral liquid in the treatment of cough and excessive sputum caused by phlegm-heat obstructing lung, acute bronchitis, and acute attack of chronic bronchitis from the aspects of applicable populations, efficacy evaluation, usage, dosage, drug combination, and safety. It is expected to guide the rational drug use in medical and health institutions, give full play to the unique value of Qinbaohong Zhike oral liquid, and vigorously promote the inheritance and innovation of Chinese patent medicines.
8.Kaixuan Jiedu Compatibility Alleviates Skin Lesions and Inflammatory Reactions in Psoriasis-like Mice
Ningxin ZHANG ; Jiaqi LI ; Xinqian LIU ; Tianbo ZHANG ; Meiqi SUN ; Mingjing LI ; Bin YANG ; Ping SONG
Chinese Journal of Experimental Traditional Medical Formulae 2025;31(17):79-88
ObjectiveTo investigate the efficacy and safety of Kaixuan Jiedu compatibility and the decomposed prescriptions in the treatment of psoriasis. MethodsThirty Balb/c mice were randomly grouped as follows (n=6): normal, model, Kaixuan Jiedu (KXJD, 15.21 g·kg-1), Kaixuan (KX, 3.08 g·kg-1), and Jiedu (JD, 12.13 g·kg-1). Except the normal group, the rest groups were modeled for psoriasis-like skin lesions by topical application of imiquimod, and samples were collected after 7 days of continuous intervention. Mice were photographed at the lesion site during modeling and before sampling and the psoriasis area and severity index (PASI) was calculated. Hematoxylin-eosin (HE) staining was used to observe pathological changes in the lesions and measure the epidermal thickness. Mice were photographed and observed for the tortuous dilation of dermal capillaries. The expression of vascular endothelial growth factor (VEGF), platelet-endothelial cell adhesion molecule (CD31), proliferating cell nuclear antigen (Ki67), and cytokeratin 10 (CK10) in the epidermal tissue was detected by immunohistochemistry. Immunofluorescence assay was employed to determine the expression of Claudin-1 and Occludin. Real-time PCR was employed to determine the mRNA levels of interleukin-17A (IL-17A) and interleukin-23 (IL-23). The spleen and thymus were photographed and weighed, and the spleen and thymus indices were calculated. The safety of the treatment was assessed by automatic biochemistry testing of the serum, liver, and kidney functions and by HE staining of the liver, kidney and spleen. ResultsCompared with that of the normal group, the skin of the model group showed erythema, infiltration, and typical psoriasis-like changes, tortuous dilation of dermal capillaries, hyperkeratosis in epidermal cells, acanthosis, massive lymphocytic infiltration in the dermis, impaired barrier function, increased expression of VEGF, CD31, Ki67, and CK10 (P<0.01), reduced expression of Claudin-1 and Occludin (P<0.01) in the epidermis, and up-regulated mRNA levels of IL-17A and IL-23 (P<0.01). In addition, the mice in the model group showed spleen enlargement, thymus atrophy, increased spleen index, and decreased thymus index (P<0.01). Compared with the model group, KXJD and JD reduced psoriasis-like skin lesions, inhibited the tortuous dilation of dermal capillaries, reduced the expression of VEGF, CD31, Ki67, and CK10 (P<0.01), increased the expression of claudin-1 (P<0.01), and down-regulated the mRNA levels of inflammatory factors (P<0.01). Moreover, the KXJD group outperformed the JD group. The JD group showed no significant difference from the model group regarding the spleen index, thymus index, and Occludin expression. The psoriasis indicators in the KX group were not significantly different from those in the model group. ConclusionKXJD and JD can reduce the symptoms of local skin lesions of psoriasis, which is manifested as different inhibition degrees of the proliferation and differentiation of keratin-forming cells, tortuous dilation of dermal capillaries, and inflammatory reactions, as well as the protection of the skin barrier. Moreover, KXJD outperformed JD. KX alone did not significantly reduce psoriasis lesions in mice. KXJD and the decomposed prescriptions are safe and effective, causing no obvious liver and kidney injuries.
9.Kaixuan Jiedu Compatibility Alleviates Skin Lesions and Inflammatory Reactions in Psoriasis-like Mice
Ningxin ZHANG ; Jiaqi LI ; Xinqian LIU ; Tianbo ZHANG ; Meiqi SUN ; Mingjing LI ; Bin YANG ; Ping SONG
Chinese Journal of Experimental Traditional Medical Formulae 2025;31(17):79-88
ObjectiveTo investigate the efficacy and safety of Kaixuan Jiedu compatibility and the decomposed prescriptions in the treatment of psoriasis. MethodsThirty Balb/c mice were randomly grouped as follows (n=6): normal, model, Kaixuan Jiedu (KXJD, 15.21 g·kg-1), Kaixuan (KX, 3.08 g·kg-1), and Jiedu (JD, 12.13 g·kg-1). Except the normal group, the rest groups were modeled for psoriasis-like skin lesions by topical application of imiquimod, and samples were collected after 7 days of continuous intervention. Mice were photographed at the lesion site during modeling and before sampling and the psoriasis area and severity index (PASI) was calculated. Hematoxylin-eosin (HE) staining was used to observe pathological changes in the lesions and measure the epidermal thickness. Mice were photographed and observed for the tortuous dilation of dermal capillaries. The expression of vascular endothelial growth factor (VEGF), platelet-endothelial cell adhesion molecule (CD31), proliferating cell nuclear antigen (Ki67), and cytokeratin 10 (CK10) in the epidermal tissue was detected by immunohistochemistry. Immunofluorescence assay was employed to determine the expression of Claudin-1 and Occludin. Real-time PCR was employed to determine the mRNA levels of interleukin-17A (IL-17A) and interleukin-23 (IL-23). The spleen and thymus were photographed and weighed, and the spleen and thymus indices were calculated. The safety of the treatment was assessed by automatic biochemistry testing of the serum, liver, and kidney functions and by HE staining of the liver, kidney and spleen. ResultsCompared with that of the normal group, the skin of the model group showed erythema, infiltration, and typical psoriasis-like changes, tortuous dilation of dermal capillaries, hyperkeratosis in epidermal cells, acanthosis, massive lymphocytic infiltration in the dermis, impaired barrier function, increased expression of VEGF, CD31, Ki67, and CK10 (P<0.01), reduced expression of Claudin-1 and Occludin (P<0.01) in the epidermis, and up-regulated mRNA levels of IL-17A and IL-23 (P<0.01). In addition, the mice in the model group showed spleen enlargement, thymus atrophy, increased spleen index, and decreased thymus index (P<0.01). Compared with the model group, KXJD and JD reduced psoriasis-like skin lesions, inhibited the tortuous dilation of dermal capillaries, reduced the expression of VEGF, CD31, Ki67, and CK10 (P<0.01), increased the expression of claudin-1 (P<0.01), and down-regulated the mRNA levels of inflammatory factors (P<0.01). Moreover, the KXJD group outperformed the JD group. The JD group showed no significant difference from the model group regarding the spleen index, thymus index, and Occludin expression. The psoriasis indicators in the KX group were not significantly different from those in the model group. ConclusionKXJD and JD can reduce the symptoms of local skin lesions of psoriasis, which is manifested as different inhibition degrees of the proliferation and differentiation of keratin-forming cells, tortuous dilation of dermal capillaries, and inflammatory reactions, as well as the protection of the skin barrier. Moreover, KXJD outperformed JD. KX alone did not significantly reduce psoriasis lesions in mice. KXJD and the decomposed prescriptions are safe and effective, causing no obvious liver and kidney injuries.
10.Correlation of MET Status with Clinicopathological Features and Prognosis of Advanced Prostatic Acinar Adenocarcinoma
Weiying HE ; Wenjia SUN ; Huiyu LI ; Yanggeling ZHANG ; De WU ; Chunxia AO ; Jincheng WANG ; Yanan YANG ; Xuexue XIAO ; Luyao ZHANG ; Xiyuan WANG ; Junqiu YUE
Cancer Research on Prevention and Treatment 2025;52(8):698-704
Objective To explore the correlation of MET status in patients with advanced prostatic acinar adenocarcinoma with the clinical pathological parameters and prognosis. Methods The specimen from 135 patients with advanced prostatic acinar adenocarcinoma was included. The expression of c-MET protein was detected via immunohistochemistry, and MET gene amplification was assessed by fluorescence in situ hybridization. The relationships of c-MET expression and gene amplification with clinicopathological features and prognosis were analyzed. Results The positive expression rate of c-MET was 52.60% (71/135). Compared with the c-MET expression in adjacent tissues, that in tumor tissues showed lower heterogeneous expression. Among the cases, 1.71% (2/117) exhibited MET gene polyploidy, but no gene amplification was detected. Positive c-MET expression was significantly correlated with high Gleason scores and grade groups (P=

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