1.Dynamin 1-mediated endocytic recycling of glycosylated N-cadherin sustains the plastic mesenchymal state to promote ovarian cancer metastasis.
Yuee CAI ; Zhangyan GUAN ; Yin TONG ; Weiyang ZHAO ; Jiangwen ZHANG ; Ling PENG ; Philip P C IP ; Sally K Y TO ; Alice S T WONG
Protein & Cell 2025;16(7):602-608
2.Focal therapy for prostate cancer:Progress in research
Jing-Xing BAI ; Yin HUANG ; De-Hong CAO ; Liang-Ren LIU
National Journal of Andrology 2024;30(3):272-276
Prostate cancer(PCa)is currently the second most common malignancy in men worldwide,and its incidence rate is on the rise.Most cases of PCa are treated by radical prostatectomy,but with the development of medical imaging and innovation in therapeutic theories and technology,focal therapy has shown better application prospects in the treatment of PCa.Compared with radi-cal prostatectomy,focal therapy yields satisfactory results in terms of effectiveness and reduction of complications in addition to avoid-ance of overtreatment and treatment-related financial burden.This article reviews the strategies of focal therapy for PCa,including cryo-ablation,high-intensity focused ultrasound,irreversible electroporation,and photodynamic therapy,with an analysis of the clinical tri-als in recent years.
3.The effects of hypothalamic microglial activation on ventricular arrhythmias in stress cardiomyopathy.
Peng-Qi LIN ; Quan-Wei PEI ; Bin LI ; Jie-Mei YANG ; Li-Na ZOU ; De-Zhan SU ; Jun-Pei ZHANG ; Hong-Peng YIN ; Mbabazi NADINE ; Jun-Jie YANG ; Nevzorova Vera A ; Khan MUSAWIR ABBAS ; Zhao-Lei JIANG ; Jing-Jie LI ; De-Chun YIN
Journal of Geriatric Cardiology 2024;21(12):1119-1132
BACKGROUND:
Stress cardiomyopathy (SCM) currently has a high incidence in older adults, and the theories regarding its causes include "catecholamine myocardial toxicity" and "sympathetic hyperactivation". However, the role of the central nervous system in the pathogenesis of SCM remains unknown. We investigated the role of microglia activation in the paraventricular hypothalamic nucleus (PVN) in the development of SCM.
METHODS:
An SCM model was created using male Sprague-Dawley (SD) rats, immobilized for 6 h every day for a week. Electrocardiogram, cardiac electrophysiology, and echocardiography examinations were performed to verify the changes in cardiac structure and function in rats with SCM. RNA sequencing was used to explore the changes in the hypothalamus during SCM. In addition, brain and heart tissues were collected to detect microglial activation and sympathetic activity.
RESULTS:
The main findings were as follows: (1) immobilization stress successfully induced SCM in SD rats; (2) microglia were significantly activated in the hypothalamus, as evidenced by cytosol thickening, increases in the number of microglial branches, and microglia enriched in the PVN; (3) in SCM, the microglia in the PVN exhibited increased central and peripheral cardiac sympathetic activity and increased the expression of neuroinflammatory factors; and (4) it is possible that inhibiting microglial activation could suppress the sympathetic activity of the central nervous system and heart and increase cardiac electrical stability in SCM rats.
CONCLUSIONS
SCM was induced in SD rats by immobilization stress, acting through the activation of the hypothalamic microglia. The activated microglia were specifically enriched in the PVN, increasing the activity of the central and peripheral sympathetic nervous systems by regulating the expression of neuro-inflammatory factors, mediating dysfunction of the left ventricle, and increasing the susceptibility to ventricular arrhythmias.
4. MiR-326 regulates EphB3 to inhibit invasion and metastasis of breast cancer cells
Xin-Lu CHEN ; Lin CHEN ; Yan-Qiao ZHAO ; Lu LIU ; Wei ZUO ; Hong-Li LI ; Cheng-De LI ; Chong-Gao YIN
Chinese Pharmacological Bulletin 2023;39(4):665-672
;Aim To investigate the molecular mechanism of miR-326 inhibiting breast cancer invasion and metastasis by regulating EphB3 expression. Methods RTFQ-PCR was used to examine the expression of miR-326 in normal breast epithelial cells and breast cancer cells and the transfection efficiency of miR-326 overexpression plasmid. EdU cell proliferation assay and Transwell assay were used to examine the changes in proliferation, migration and invasion ability of different subgroups of cells. Dual luciferase assay was used to verify the presence of binding sites for miR-326 and EphB3. Western blot was used to detect the expression of EphB3 in breast cancer cells after overexpression of miR-326. Results RTFQ-PCR results showed that miR-326 was lowly expressed in breast cancer cells and successfully transfected (P < 0. 05). EdU proliferation assay and Transwell assay results showed that overexpression of miR-326 in breast cancer cells inhibited proliferation, migration and invasive ability (P < 0. 05). The results of dual luciferase assay showed that miR-326 could interact with the 3'-UTR of EphB3 (P < 0. 05). Western blot and Transwell assays showed that miR-326 could negatively regulate EphB3 to inhibit invasive metastasis of breast cancer cells (P < 0. 05). Conclusions MiR-326 acts as a cancer suppressor genes in the development of breast cancer and suppresses the invasion and metastasis of breast cancer cells by regulating the expression of EphB3.
5. Effects of Apelin-13/putative receptor protein related to AT1 homodimer on behaviors of human umbilical vein endothelial cells
De-Xiu WANG ; Yue YIN ; Hong LU ; Xin CAI ; Jian-She LI ; Chao SONG ; Chang-Hao XIAO ; Tai-Qian WANG ; Xue-Jian WANG
Chinese Pharmacological Bulletin 2023;39(1):51-56
Aim To explore the effects of putative receptor protein related to ATI (APJ) homodimer on the behaviors-the proliferation, migration and tube formation of human umbilical vein endothelial cells (HU-VECs). Methods HUVECs at logarithmic growth stage were randomly divided into PBS, Apelin-13 + TM1 (APJ monomer group) and Apelin-13 + PBS group (APJ homodimer group). Western blot and Matrix-Assisted Laser Desorption/Ionization Time of Fligh Mass Spectrometry (MALDI-TOF MS) were used to detect the expression of APJ and APJ homodimer in HUVECs, respectively. Real-Time Cell Analyzers (RT-CA) was used to detect the concentration of the maximum effect of Apelin-13. Cell viability was detected by CCK-8. The cell migration ability was detected by scratch test, and the number of tubes formed on matri-gel that made artificial basement membrane was counted. Results Western blot and MALDI-TOF MS showed that APJ and APJ homodimer were expressed in HUVECs. The EC50 of Apelin-13 was 2.26 x 10
6.Research progress on the effect mechanism of acupuncture-moxibustion for pressure injuries.
Hong-Na YIN ; Yang CUI ; Zhong-Ren SUN ; De-Long WANG ; Xin-Yu ZHOU ; Jian-Tao YIN ; Shuo ZHANG ; Gui-Jun LIU
Chinese Acupuncture & Moxibustion 2023;43(8):970-976
Evidence shows that acupuncture-moxibustion could promote the healing of pressure injuries (PI), but its action mechanism is not fully understood. This review summarizes the basic research literature of acupuncture-moxibustion for PI and identifies that the mechanism of acupuncture-moxibustion for PI is related with regulation of related signaling pathway target proteins, improvement of inflammatory response, modulation of vascular microenvironment, attenuation of oxidative stress damage, and inhibition of cell apoptosis. The review also points out the current limitations and future research directions. It emphasizes the need for further exploration of the upstream regulatory mechanism, specific cellular molecules, and the interactions among these molecules. A multi-level, multi-target, and multi-dimensional approach is required to fully understand the mechanism underlying the promotion of PI healing by acupuncture-moxibustion.
Humans
;
Moxibustion
;
Pressure Ulcer
;
Acupuncture Therapy
;
Acupuncture
;
Apoptosis
7.Prediction and analysis of Q-markers of Elephantopus scaber based on its UPLC fingerprint, content determination of components, and in vitro a nti-tumor activity.
Can-Chao JIA ; Ling-Jie LI ; Zhi-Hao ZENG ; Rui-Yin TANG ; De-Zheng JIA ; Min-Juan YANG ; Jin-Yan QIU ; Dong-Mei LI ; Can-Hui XIE ; Guang-Ying WU ; Yang-Xue LI ; Jie-Yi JIANG ; Hong HUANG ; Guan-Lin XIAO ; Da-Ke CAI ; Xiao-Li BI
China Journal of Chinese Materia Medica 2023;48(16):4421-4428
This study aimed to provide scientific evidence for predicting quality markers(Q-markers) of Elephantopus scaber by establishing UPLC fingerprint of E. scaber from different geographical origins and determining the content of 13 major components, as well as conducting in vitro anti-cancer activity investigation of the main components. The chromatographic column used was Waters CORTECS UPLC C_(18)(2.1 mm×150 mm, 1.6 μm), and the mobile phase consisted of acetonitrile and 0.1% formic acid solution(gradient elution). The column temperature was set at 30 ℃, and the flow rate was 0.2 mL·min~(-1). The injection volume was 1 μL, and the detection wavelength was 240 nm. The UPLC fingerprint of E. scaber was fitted using the Similarity Evaluation System for Chromatographic Fingerprint of Traditional Chinese Medicine(2012 edition) to determine common peaks, evaluate similarity, identify and determine the content of major components. The CCK-8 assay was used to explore the inhibitory effect of the main components on the proliferation of lung cancer cells. The results showed that in the established UPLC fingerprint of E. scaber, 35 common peaks were identified. Thirteen major components, including neochlorogenic acid(peak 1), chlorogenic acid(peak 2), cryptochlorogenic acid(peak 3), caffeic acid(peak 4), schaftoside(peak 6), galuteolin(peak 9), isochlorogenic acid B(peak 10), isochlorogenic acid A(peak 12), isochlorogenic acid C(peak 18), deoxyelephantopin(peak 28), isodeoxyelephantopin(peak 29), isoscabertopin(peak 31), and scabertopin(peak 32) were identified and quantified, and a quantitative analysis method was established. The results of the in vitro anti-cancer activity study showed that deoxyelephantopin, isodeoxyelephantopin, isoscabertopin, and scabertopin in E. scaber exhibited inhibition rates of lung cancer cell proliferation exceeding 80% at a concentration of 10 μmol·L~(-1), higher than the positive drug paclitaxel. These results indicate that the fingerprint of E. scaber is highly characteristic, and the quantitative analysis method is accurate and stable, providing references for the research on quality standards of E. scaber. Four sesquiterpene lactones in E. scaber show significant anti-cancer activity and can serve as Q-markers for E. scaber.
Humans
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Chromatography, High Pressure Liquid
;
Drugs, Chinese Herbal/chemistry*
;
Asteraceae/chemistry*
;
Lung Neoplasms/drug therapy*
8.The effect of bladder function on the efficacy of transurethral prostatectomy in patients with benign prostatic hyperplasia: a retrospective, single-center study.
Jin LI ; Xian-Yan-Ling YI ; Ze-Yu CHEN ; Bo CHEN ; Yin HUANG ; Da-Zhou LIAO ; Pu-Ze WANG ; De-Hong CAO ; Jian-Zhong AI ; Liang-Ren LIU
Asian Journal of Andrology 2023;26(1):112-118
We investigated the impact and predictive value of bladder function in patients with benign prostatic hyperplasia (BPH) on the efficacy of transurethral prostatectomy. Symptomatic, imaging, and urodynamic data of patients who underwent transurethral prostatectomy at West China Hospital of Sichuan University (Chengdu, China) from July 2019 to December 2021 were collected. Follow-up data included the quality of life (QoL), International Prostate Symptom Score (IPSS), and IPSS storage and voiding (IPSS-s and IPSS-v). Moreover, urinary creatinine (Cr), nerve growth factor (NGF), brain-derived neurotrophic factor (BDNF), and prostaglandin estradiol (PGE2) were measured in 30 patients with BPH and 30 healthy participants. Perioperative indicators were determined by subgroup analyses and receiver operating characteristic (ROC) curve analysis. Among the 313 patients with BPH included, patients with severe micturition problems had more improvements but higher micturition grades postoperatively than those with moderate symptoms. Similarly, good bladder sensation, compliance, and detrusor contractility (DC) were predictors of low postoperative IPSS and QoL. The urinary concentrations of BDNF/Cr, NGF/Cr, and PGE2/Cr in patients were significantly higher than those in healthy participants (all P < 0.001). After evaluation, only DC was significantly related to both urinary indicators and postoperative recovery of patients. Patients with good DC, as predicted by urinary indicators, had lower IPSS and IPSS-v than those with reduced DC at the 1st month postoperatively (both P < 0.05). In summary, patients with impaired bladder function had poor recovery. The combined levels of urinary BDNF/Cr, NGF/Cr, and PGE2/Cr in patients with BPH may be valid predictors of preoperative bladder function and postoperative recovery.
9.Clinical efficacy and safety of venetoclax combined with multidrug chemotherapy in the treatment of 15 patients with relapsed or refractory early T-cell precursor acute lymphoblastic leukemia.
Jin Yu KONG ; Li Hong ZONG ; Yan PU ; Yin LIU ; Xin KONG ; Meng Yun LI ; Jian ZHANG ; Bao Quan SONG ; Sheng Li XUE ; Xiao Wen TANG ; Hui Ying QIU ; De Pei WU
Chinese Journal of Hematology 2023;44(8):649-653
Objective: To explore the efficacy and safety of Venetoclax combined with multidrug chemotherapy in patients with relapsed or refractory early T-cell precursor acute lymphoblastic leukemia (R/R ETP-ALL) . Methods: This study retrospectively analyzed 15 patients with R/R ETP-ALL who received Venetoclax combined with multidrug chemotherapy from December 2018 to February 2022. Among them, eight cases were combined with demethylated drugs, four cases were combined with demethylated drugs and HAAG chemotherapy regimen, two cases were combined with demethylated drugs and CAG regimen, and one case was combined with Cladribine. Specific usage and dosage of Venetoclax: 100 mg on day 1, 200 mg on day 2, 400 mg on day 3-28, orally; when combined with azole antifungal drugs, dosage was reduced to 100 mg/d. Results: Fifteen patients (10 males and 5 females) with R/R ETP-ALL were treated with Venetoclax and multidrug chemotherapy with a median age of 35 (12-42) years old. Of 4 refractory and 11 relapsed patients, the efficacy was evaluated on the 21th day following combined chemotherapy: the overall response rate, the complete response (CR) rate, and the CR with incomplete hematological recovery (CRi) rate were 67.7% (10/15), 60.0% (9/15), and 6.7% (1/15), respectively. For the overall study population, the 12-month overall survival (OS) rate was 60.0%, and the median OS was 17.7 months. The disease-free survival (DFS) rate of all CR patients at 12 months was 60.0%, and the median DFS did not reach. About 14 patients had Ⅲ-Ⅳ hematological toxicity, but these adverse reactions were all controllable. No adverse reaction in the nervous system and tumor lysis syndrome occurred in this study, and no adverse reaction of organs above grade Ⅲ occurred. Conclusion: Venetoclax combined with multidrug chemotherapy may be a safe and promising treatment option for patients with R/R ETP-ALL.
Male
;
Female
;
Humans
;
Adult
;
Retrospective Studies
;
Treatment Outcome
;
Bridged Bicyclo Compounds, Heterocyclic/therapeutic use*
;
Antineoplastic Combined Chemotherapy Protocols
;
Precursor T-Cell Lymphoblastic Leukemia-Lymphoma/drug therapy*
;
Precursor Cells, T-Lymphoid
;
Leukemia, Myeloid, Acute/drug therapy*
10.Efficacy analysis of selinexor combined with hypomethylating agent in the treatment of refractory/relapsed acute myeloid leukemia exposed to venetoclax.
Jian ZHANG ; Bao Quan SONG ; Xin KONG ; Yin LIU ; Han Lin YANG ; Li Hong ZONG ; Jin Yu KONG ; Yang XU ; Hui Ying QIU ; De Pei WU
Chinese Journal of Hematology 2023;44(11):936-939

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