1.Terms Related to The Study of Biomacromolecular Condensates
Ke RUAN ; Xiao-Feng FANG ; Dan LI ; Pi-Long LI ; Yi LIN ; Zheng WANG ; Yun-Yu SHI ; Ming-Jie ZHANG ; Hong ZHANG ; Cong LIU
Progress in Biochemistry and Biophysics 2025;52(4):1027-1035
Biomolecular condensates are formed through phase separation of biomacromolecules such as proteins and RNAs. These condensates exhibit liquid-like properties that can futher transition into more stable material states. They form complex internal structures via multivalent weak interactions, enabling precise spatiotemporal regulations. However, the use of inconsistent and non-standardized terminology has become increasingly problematic, hindering academic exchange and the dissemination of scientific knowledge. Therefore, it is necessary to discuss the terminology related to biomolecular condensates in order to clarify concepts, promote interdisciplinary cooperation, enhance research efficiency, and support the healthy development of this field.
2.Investigation of Effect of Different Drying Conditions on Appearance Characteristics and Internal Indicators of Pinelliae Rhizoma Based on Standardization
Suqing LIU ; Xueli ZHANG ; Jing ZHANG ; Cong YANG ; Changfu YANG ; Jun YU ; Bingpeng ZHENG ; Huiwu LI ; Yanhua JIANG ; Chang LIN
Chinese Journal of Experimental Traditional Medical Formulae 2025;31(16):208-215
ObjectiveTo explore the effect of different drying conditions on the appearance and intrinsic quality indicators of Pinelliae Rhizoma for screening suitable drying conditions, so as to provide reference for its standardized production and quality evaluation. MethodsDifferent dried samples of Pinelliae Rhizoma were prepared by lime-assisted sweating method and intermittent drying method. Visual analysis was employed to measure the color brightness values(L*) of the surface, cross-section and powder of the samples, texture analyzer was used to determine the hardness of the samples under different drying conditions. The total starch content was calculated by measuring the contents of amylose and amylopectin in the samples with ultraviolet-visible spectroscopy. High performance liquid chromatography(HPLC) was used to determine the contents of seven nucleoside components(uracil, hypoxanthine, uridine, inosine, guanosine, β-thymidine and adenosine) in the samples. Pearson correlation analysis was conducted to explore the correlation between the external characteristics and intrinsic indicators of the different dried samples. Principal component analysis(PCA) was used to comprehensively rank the data of various indicators, and partial least squares-discriminant analysis(PLS-DA) was used to screen differential components with variable importance in the projection(VIP) value>1. Furthermore, the difference between the optimal drying condition for Pinelliae Rhizoma and the traditional sun-drying method was explored by independent samples t-test. ResultsWith the increase of temperature, the color of the intermittently dried samples gradually deepened, while their hardness gradually decreased. Concurrently, the contents of extract, total starch, uridine and adenosine exhibited an upward trend, whereas the contents of uracil, hypoxanthine and inosine displayed a downward trajectory. Compared with the intermittent drying group, the content of extract in the samples subjected to lime-assisted sweating increased. With the increase of lime dose, the hardness and the total content of nucleoside components in the samples showed a downward trend, while the total starch content showed an upward trend. Correlation analysis showed that the comprehensive score of L* was negatively correlated with the contents of uracil, hypoxanthine and inosine, and positively correlated with the contents of uridine, guanosine and adenosine. Hardness was negatively correlated with adenosine content, and positively correlated with the contents of inosine, uracil and hypoxanthine. Through comprehensive consideration and comprehensive score of principal components, the method of 5% lime-mixed sweating for 6 days emerged as the top-ranking approach. Except for the extract, the results of independent samples t-test showed that there was no significant difference between the 5% lime-mixed sweating for 6 days and the traditional sun-drying in terms of other content indicators. ConclusionThe whiteness and firmness of Pinelliae Rhizoma exhibit significant correlations with its chemical composition, while uridine, uracil, guanosine, adenosine and inosine are the key constituents responsible for the quality difference of Pinelliae Rhizoma under different drying conditions. The lime-assisted sweating method optimized in this study can be proposed as a viable alternative to the traditional sun-drying method. This method not only ensures the quality of the medicinal material but also effectively reduces the drying time and prevents mold contamination, which provides a valuable reference for the standardization of drying conditions and the establishment of quality evaluation criteria for Pinelliae Rhizoma.
3.Dayuanyin Regulates TLR/MAPK/NF-κB Pathway for Preventing and Treating Acute Lung Injury Induced by H1N1 Infection
Chengze LI ; Fuhao CHU ; Yuan LI ; Yunze LIU ; Haocheng ZHENG ; Sici WANG ; Yixiao GU ; Wanhong ZHU ; Ruoshi ZHANG ; Xingjian SONG ; Cong GAI ; Xia DING
Chinese Journal of Experimental Traditional Medical Formulae 2024;30(18):52-60
ObjectiveTo investigate the therapeutic effect of Dayuanyin on acute lung injury induced by H1N1 infection and decipher the potential mechanism. MethodThe constituents in Dayuanyin were analyzed by ultra-high performance liquid chromatography-quadrupole-exactive orbitrap mass spectrometry (UHPLC-Q-Exactive Orbitrap MS). Forty-eight female BALB/c mice were randomized into normal, model, oseltamivir (19.5 mg·kg-1), and low-, medium-, and high-dose (2.73, 5.46, 10.92 g·kg-1) Dayuanyin groups. The normal and model groups were administrated with deionized water by gavage, and the other groups were administrated with the corresponding drugs by gavage. On day 3 of drug administration, the normal group received nasal inhalation of normal saline, and the other groups were inoculated intranasally with A/RP/8/34 (H1N1) for the modeling of influenza virus infection. Mice were administrated with drugs continuously for 7 days and weighed daily. Sampling was performed 12 h after the last administration, and the lung tissue was weighed to calculate the lung index. Hematoxylin-eosin staining was performed to observe the pathological and morphological changes of the lung tissue and bronchi. The cytometric bead array (CBA) was used to measure the serum levels of interferon-gamma (IFN-γ), C-X-C motif ligand 1 (CXCL1), tumor necrosis factor-alpha (TNF-α), chemokine ligand 2 (CCL2), interleukin-12p70 (IL-12p70), chemokine ligand 5 (CCL5), interleukin-1β (IL-1β), chemokine (C-X-C motif) ligand 10 (CXCL10), granulocyte-macrophage colony-stimulating factor (GM-CSF), interleukin-10 (IL-10), interferon-beta (IFN-β), interferon-alpha (IFN-α), and interleukin-6 (IL-6). According to the results of mass spectrometry and network pharmacology, we analyzed the mechanism of Dayuanyin in treating acute lung injury caused by H1N1. The protein levels of extracellular signal-regulated kinase 1/2 (ERK1/2), p38 mitogen-activated protein kinase (p38 MAPK), nuclear factor-kappa B (NF-κB), and their phosphorylated forms were determined by Western blot. The mRNA levels of myeloid differentiation factor 88 (MyD88), Toll-like receptor 3 (TLR3), Toll-like receptor 7 (TLR7), and Toll-like receptor 8 (TLR8) in the lung tissue were measured by Real-time fluorescence quantitative polymerase chain reaction (Real-time PCR). ResultA total of 57 compounds, including paeoniflorin and baicalein, were detected in Dayuanyin. Compared with the normal group, the model group showed decreased body weight (P<0.01), lung edema and hemorrhage, increased lung index (P<0.01), and elevated levels of IFN-γ, IL-12p70, CCL5, IL-1β, CXCL10, GM-CSF, IFN-β, and IL-6 (P<0.01). Compared with the model group, Dayuanyin attenuated alveolar wall thickening, capillary congestion, and immune cell infiltration, reduced the alterations in body weight and lung index (P<0.01), and down-regulated the protein levels of IFN-γ, IL-12p70, CCL5, IL-1β, CXCL10, GM-CSF, IFN-β, and IL-6 (P<0.01). A total of 57 key genes were predicted by network pharmacological analysis, of which the MAPK signaling pathway was the main target signaling pathway. Compared with the normal group, the model group showed up-regulation in the protein levels of phosphorylation (p)-ERK1/2, p-p38 MAPK, and p-NF-κB (P<0.01) and the mRNA levels of TLR7, TLR8, MyD88, and TLR3 (P<0.05, P<0.01). Compared with the model group, Dayuanyin lowered the phosphorylation levels of ERK1/2, p38 MAPK, and NF-κB p65 in a dose-dependent manner (P<0.01) and down-regulated the mRNA levels of TLR3, TLR7, TLR8, and MyD88 (P<0.01). ConclusionDayuanyin can prevent and control H1N1 infection-induced acute lung injury by inhibiting the TLR/MAPK/NF-κB signaling pathway.
4.Expert Consensus of Multidisciplinary Diagnosis and Treatment for Paroxysmal Nocturnal Hemoglobinuria(2024)
Miao CHEN ; Chen YANG ; Ziwei LIU ; Wei CAO ; Bo ZHANG ; Xin LIU ; Jingnan LI ; Wei LIU ; Jie PAN ; Jian WANG ; Yuehong ZHENG ; Yuexin CHEN ; Fangda LI ; Shunda DU ; Cong NING ; Limeng CHEN ; Cai YUE ; Jun NI ; Min PENG ; Xiaoxiao GUO ; Tao WANG ; Hongjun LI ; Rongrong LI ; Tong WU ; Bing HAN ; Shuyang ZHANG ; MULTIDISCIPLINE COLLABORATION GROUP ON RARE DISEASE AT PEKING UNION MEDICAL COLLEGE HOSPITAL
Medical Journal of Peking Union Medical College Hospital 2024;15(5):1011-1028
Paroxysmal nocturnal hemoglobinuria (PNH) is an acquired clonal hematopoietic stem cell disease caused by abnormal expression of glycosylphosphatidylinositol (GPI) on the cell membrane due to mutations in the phosphatidylinositol glycan class A(PIGA) gene. It is commonly characterized by intravascular hemolysis, repeated thrombosis, and bone marrow failure, as well as multiple systemic involvement symptoms such as renal dysfunction, pulmonary hypertension, swallowing difficulties, chest pain, abdominal pain, and erectile dysfunction. Due to the rarity of PNH and its strong heterogeneity in clinical manifestations, multidisciplinary collaboration is often required for diagnosis and treatment. Peking Union Medical College Hospital, relying on the rare disease diagnosis and treatment platform, has invited multidisciplinary clinical experts to form a unified opinion on the diagnosis and treatment of PNH, and formulated the
5.Efficacy and safety of cryoablation combined with Camrelizumab monoclonal antibody in treatment of hepatocellular carcinoma
Changwang ZHANG ; Ninghan WU ; Cong WANG ; Zheng ZHENG ; Siming GAO ; Changpeng ZOU ; Sujing ZHANG ; Na LI
Journal of Clinical Hepatology 2024;40(6):1169-1174
Objective To investigate the efficacy and safety of cryoablation combined with Camrelizumab monoclonal antibody in the treatment of hepatocellular carcinoma(HCC).Methods A total of 103 HCC patients who were admitted to our hospital from June 2020 to June 2023 were enrolled and randomly divided into combined treatment group with 53 patients and control group with 50 patients.The patients in the control group received percutaneous argon-helium cryoablation,and those in the combined treatment group received percutaneous argon-helium cryoablation combined with Camrelizumab monoclonal antibody.The two groups were compared in terms of short-term response,changes in T lymphocyte subsets after treatment,changes in liver function and alpha-fetoprotein(AFP)after treatment,and progression-free survival and overall survival during follow-up.The t-test was used for comparison of normally distributed continuous data between groups,and the chi-square test was used for comparison of categorical data between groups.The Kaplan-Meier method was used to plot survival curves,and the log-rank test was used for comparison of survival time between the two groups.Results The combined treatment group had significantly higher overall response rate and disease control rate than the control group(χ2=4.156 and 4.348,P=0.042 and 0.037).After treatment,the combined treatment group had significant increases in the percentages of CD3+and CD4+T lymphocytes and CD4+/CD8+ratio(P<0.05)and a significant reduction in the percentage of CD8+T lymphocytes(P<0.05),while the control group had no significant changes in T lymphocyte subsets after treatment(P>0.05),and compared with the control group after treatment,the combined treatment group had significantly higher percentages of CD3+and CD4+T lymphocytes and CD4+/CD8+ratio(all P<0.05)and a significantly lower percentage of CD8+T lymphocytes(P<0.05).After treatment,both groups had significant reductions in the levels of alanine aminotransferase(ALT),aspartate aminotransferase(AST),and AFP(all P<0.05)and a significant increase in the level of albumin(Alb)(P>0.05),and compared with the control group after treatment,the combined treatment group had significantly lower levels of ALT,AST,and AFP(all P<0.05)and a significantly higher level of Alb(P<0.05).There were no significant differences in the incidence rates of grade Ⅲ—Ⅳ(moderate to severe)adverse reactions between the two groups(P>0.05).Compared with the control group,the combined treatment group had significantly better median progression-free survival(21.32 months vs 15.31 months,χ2=4.689,P=0.030)and median overall survival(28.36 months vs 20.75 months,χ2=5.030,P=0.025).Conclusion Argon-helium cryoablation combined with Camrelizumab monoclonal antibody can effectively improve short-term response,enhance immune function,and prolong survival time,with a favorable safety profile.
6.Relationship between inflammatory factor levels with metabolism,verbal fluency and information processing function in hospitalized schizophrenia patients
Cong WANG ; Cuizhen ZHU ; Xueying ZHANG ; Hua GAO ; Zhongde PAN ; Jian CHENG ; Deying YANG ; Mingming ZHENG ; Xulai ZHANG
Sichuan Mental Health 2024;37(4):323-329
Background Schizophrenic patients have metabolic disorders,impaired language and information processing function.Inflammatory factors may play an important role in the occurrence and development of schizophrenia.Objective To explore the relationship of the inflammatory factor levels with metabolic levels,language fluency and information processing function in patients with schizophrenia,so as to provide references for clinical understanding of the neuropathological mechanisms of schizophrenia.Methods A total of 96 patients with schizophrenia were included in the study group,who were hospitalized in the Fourth People's Hospital of Hefei from January 2021 to December 2022 as well as met the diagnostic criteria of Diagnostic and Statistical Manual of Mental Disorders,fifth edition(DSM-5)and Mini-International Neuropsychiatric Interview(MINI)6.0.Meanwhile,population who underwent physical examination at the same hospital were included in the control group(n=42).A high-sensitivity multi factor electrochemiluminescence analyzer was used to detect the levels of inflammatory factors IL-4,IL-5,IL-7,IL-8,IL-10 and IL-13.A fully automated biochemical analyzer was used to detect the levels of metabolic indicators such as fasting blood glucose,triglycerides,high-density lipoprotein,apolipoprotein A,creatinine and urea nitrogen.Verbal fluency and information processing function of all participants were assessed by using Verbal Fluency Test(VFT)and Stroop Color Word Test(SCWT).Results There were statistically significant differences in the levels of IL-4,IL-5,IL-7,IL-8,IL-10,IL-13 and IL-15 between the study group and the control group(P<0.05).There were statistically significant differences in BMI,waist circumference,fasting blood glucose,triglycerides,high-density lipoprotein,urea nitrogen,apolipoprotein A and creatinine levels between the two groups(P<0.05).The differences in the correct number of household appliances,animals,fruits,vegetables,names starting with"water"and"self"in VFT between the two groups were statistically significant(P<0.05).The differences in point reaction time,character reaction time and character color reaction time in SCWT between the two groups were statistically significant(P<0.05).Correlation analysis showed that except for creatinine levels,the levels of IL-4 and IL-5 in patients with schizophrenia were correlated with other indicators(P<0.05).IL-7 levels were correlated with creatinine levels,household appliances,animals,fruits,correct number of names starting with"water"in VFT,point reaction time and word reaction time in SCWT(P<0.05).IL-8 levels were correlated with triglyceride levels,household appliances,animals,fruits,vegetables,correct number of names starting with"water"and"self"in VFT and word reaction time in SCWT(P<0.05).Except for creatinine levels and the correct number of names starting with"self",IL-10 levels were correlated with all other indicators(P<0.05).Except for creatinine and urea nitrogen levels,IL-13 levels were correlated with other indicators(P<0.05).Conclusion The levels of inflammatory factors in patients with schizophrenia may be related to their metabolic levels,language fluency and information processing function.
7.Sanguinarine induces ferroptosis of colorectal cancer cells by upregulating STUB1 and downregulating GPX4
Yinliang ZHANG ; Zetan LUO ; Rui ZHAO ; Na ZHAO ; Zhidong XU ; Di AO ; Guyi CONG ; Xinyu LIU ; Hailun ZHENG
Journal of Southern Medical University 2024;44(8):1537-1544
Objective To investigate the effect of sanguinarine(SAN)on proliferation and ferroptosis of colorectal cancer cells.Methods SW620 and HCT-116 cells treated with different concentrations of SAN were examined for cell viability changes using CCK8 assay to determine the IC50 of SAN in the two cells.The inhibitory effects of SAN on proliferation,invasion and migration of the cells were evaluated using colony-forming assay and Transwell assays.ROS production in the treated cells was analyzed with flow cytometry,and lipid peroxide production was assessed by detecting malondialdehyde(MDA)level.Glutathione(GSH)levels in the cells were detected,and Western blotting was used to detect the expressions of ferroptosis-related proteins STUB1 and GPX4.Results SAN significantly inhibited the proliferation,invasion and migration of SW620 and HCT-116 cells.SAN treatment significantly promoted ROS production,increased intracellular MDA level,and lowered GSH level in the two cells(P<0.05).Western blotting showed that SAN significantly upregulated the expression of STUB1 and down-regulated the expression of its downstream protein GPX4(P<0.05).Conclusion SAN induces ferroptosis in colorectal cancer cells by regulating STUB1/GPX4,which may serve as a new therapeutic target for colorectal cancer.
8.Preparation and in vitro-in vivo evaluation of suvorexant orodispersible films
Peng ZHAO ; Cong-hui LI ; Si-yi SHUAI ; Bing YANG ; Hui ZHANG ; Nan LIU ; Ai-ping ZHENG ; Yong-jun WANG ; Zeng-ming WANG
Acta Pharmaceutica Sinica 2024;59(9):2659-2664
Orodispersible films (oral dispersible films), a novel form of oral solid dosage forms, are widely used for patients with dysphagia and those with uncontrollable autonomic behavior. In this study, suvorexant orodispersible film was prepared by hot melt extrusion technology, and the disintegration time, mechanical properties,
9.Rheology guided the preparation of suvorexant-copovidone solid dispersions via hot melt extrusion technology
Peng ZHAO ; Cong-hui LI ; Si-yi SHUAI ; Bing YANG ; Hui ZHANG ; Nan LIU ; Zeng-ming WANG ; Yong-jun WANG ; Ai-ping ZHENG
Acta Pharmaceutica Sinica 2024;59(8):2396-2403
The rheological properties of drug and carrier materials have a wide range of guiding significance for the formulation and process development of solid dispersions. In this study, the rheological properties of materials with different drug carrier ratios were systematically studied with suvorexant as the model drug and copovidone as the carrier material, which provided a sufficient basis for determining the formulation and process of solid dispersions. The optimal suvorexant-copovidone ratio obtained by oscillating temperature scanning was 1∶4. If the ratio is greater than 1∶ 4, the glass transformation temperature of the material will increase significantly, and the solubilization effect of the solid dispersion will show a downward trend. The results of oscillation temperature scanning and oscillation temperature sweep can show that when the extrusion temperature is greater than 150 ℃, the viscosity of the material is less than 10 000 Pa·s, and the melt can be extruded smoothly, and the best extrusion temperature of 160-180 ℃ can be obtained by combining the dissolution results. Finally, the dissolution of suvorexant tablets guided by rheological property studies in multiple media is similar to that of the commercially available tablets Belsomra. Therefore, rheological studies can screen and optimize the formulation and process of suvorexant solid dispersions at the mechanism level, which is of great significance to improve the success rate of R&D and shorten the R&D cycle of solid dispersions prepared by hot melt extrusion.
10.The intervention effect of Lycium barbarum leaves on letrozole-induced PCOS mice based on microbiome
Xin-yue ZHANG ; Cong LU ; Hui-li ZHENG ; Shu-lan SU ; Yue ZHU ; Sheng GUO ; Da-wei QIAN ; Hong-jie KANG ; Jin-ao DUAN
Acta Pharmaceutica Sinica 2024;59(7):2030-2040
The purpose of this study was to investigate the intervention effect and mechanism of

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