1.Clinical key issues and countermeasures of CAR-T cell therapy
CHEN Xinfeng ; LIU Shasha, ; ZHANG Yi
Chinese Journal of Cancer Biotherapy 2025;32(1):9-13
[摘 要] 自2017年以来,已有12款嵌合抗原受体基因修饰T淋巴细胞(CAR-T细胞)产品相继被批准用于血液系统恶性肿瘤的治疗,包括复发性/难治性急性B淋巴细胞白血病、特定亚型B细胞淋巴瘤和多发性骨髓瘤。然而,CAR-T细胞疗法在应用过程中面临诸多挑战,如在治疗血液系统肿瘤中的抵抗、生产周期长、个体化/价格昂贵,在实体瘤中的肿瘤异质性强/抗原逃逸、浸润能力不足、免疫抑制微环境和反应性差等问题。随着肿瘤免疫学研究的深入和基因工程技术的发展,尝试了众多新策略来提升CAR-T细胞疗法的疗效和普适性。作者根据自身对该领域研究的认知,针对CAR-T细胞疗法的临床关键问题及其应对解决策略进行述评,为未来CAR-T细胞疗法的基础研究和临床转化提供重要思路。
2.Mechanism of Traditional Chinese Medicine Regulating JAK/STAT Signaling Pathway to Intervene in Lung Cancer: A Review
Jiarui CAO ; Bo FENG ; Chunzheng MA ; Weixia CHEN ; Jiangfan YU ; Shasha CAO ; Zhenyu ZHANG ; Wenhui OUYANG
Chinese Journal of Experimental Traditional Medical Formulae 2025;31(9):265-276
Lung cancer is the malignant tumor with the highest incidence and mortality rates globally. Current treatment methods for lung cancer primarily include surgery, chemotherapy, targeted therapy, and immunotherapy. However, the main limitations of these treatments are their side effects, the drug resistance, and the economic burden they impose. As a critical cancer pathway, the Janus kinase (JAK)/signal transducer and activator of transcription (STAT) signaling pathway regulates tumor occurrence and development through multiple mechanisms by influencing various downstream targets. Consequently, the JAK/STAT signaling pathway offers a promising avenue for lung cancer treatment research. Numerous studies have demonstrated that the JAK/STAT signaling pathway plays a key role in the proliferation and growth of lung cancer cells, angiogenesis, epithelial-mesenchymal transition (EMT), metabolic alterations, remodeling of the immune microenvironment, and the development of treatment resistance. Traditional Chinese medicine (TCM) has garnered increasing attention due to its minimal side effects, low economic burden, and its potential to enhance efficacy and reduce toxicity when used in conjunction with Western medicine. In addition to traditional Chinese medicine compounds, a growing number of Chinese medicine monomers have come into the spotlight because of their more targeted effects. Numerous studies investigating the regulation of the JAK/STAT signaling pathway by TCM in the treatment of lung cancer have demonstrated that TCM can inhibit the proliferation and invasion of lung cancer cells, tumor angiogenesis, and EMT, improve the inflammatory and immunosuppressive microenvironments, and enhance treatment sensitivity by intervening in the JAK/STAT signaling pathway, thereby impeding the progression of lung cancer. In recent years, the research on the regulation of this pathway by TCM in the treatment of lung cancer has been updated rapidly. However, the summary of these studies has not been updated in time. This review summarizes and reflects on the recent research findings regarding the regulation of the JAK/STAT signaling pathway by TCM to intervene in lung cancer from three aspects, introducing the JAK/STAT pathway, elaborating the mechanism of this pathway in lung cancer, and exploring the intervention of TCM in the treatment of lung cancer through this pathway, to provide more reference for the treatment of lung cancer in the future.
3.Pharmacodynamic Substances and Mechanisms of Da Chengqitang in Treating Stroke: A Review
Yizhi YAN ; Xinyi LIU ; Yang DUAN ; Miaoqing LONG ; Chaoya LI ; Qiang LI ; Yi'an CHEN ; Shasha YANG ; Yue ZHANG ; Peng ZENG
Chinese Journal of Experimental Traditional Medical Formulae 2025;31(9):297-306
Stroke is the main cause of death and disability among adults in China and is characterized by high incidence, disability, mortality, and recurrence rates. The combination of traditional Chinese and Western medicine has great potential in treating stroke and its sequelae. The classic traditional Chinese medicine prescription Da Chengqitang (DCQT) has a long history and proven efficacy in treating stroke. Clinically, DCQT is often used to treat stroke and its sequelae. However, the number and quality of clinical trials of DCQT in treating stroke need to be improved. Because of the insufficient basic research, the active ingredients and multi-target mechanism of action of DCQT remain unclear. Our research group has previously confirmed that DCQT can effectively reverse neurological damage, reduce iron deposition, and downregulate the levels of pro-inflammatory cytokines in the rat model of hemorrhagic stroke. The treatment mechanism is related to the nuclear factor erythroid 2-related factor 2 (Nrf2)-mediated signaling pathway and p38 mitogen-activated protein kinase (MAPK) signaling-mediated microglia activation. To clarify the pharmacodynamic basis and anti-stroke mechanism of DCQT, this article reviews the research progress in the treatment of stroke with DCQT in terms of clinical trials, pharmacodynamic material basis, safety evaluation, and mechanisms of absorbed components. This article summarizes 45 major phytochemical components of DCQT, 11 of which are currently confirmed absorbed components. Among them, emodin, rhein, chrysophanol, aloe-emodin, synephrine, hesperidin, naringin, magnolol, and honokiol can be used as quality markers (Q-markers) of DCQT. The mechanism of DCQT in treating stroke is complex, involving regulation of inflammatory responses, neuronal damage, oxidative stress, blood-brain barrier, brain-derived neurotrophic factor, and anti-platelet aggregation. This article helps to deeply understand the pharmacodynamic basis and mechanism of DCQT in treating stroke and provides a theoretical basis for the clinical application of DCQT in treating stroke and the development of stroke drugs.
4.Clinical application of a novel quantum dot immunofluorescence method for rapid detection of IgE in nasal secretions in the diagnosis of allergic rhinitis.
Ru GAO ; Tiansheng WANG ; Yu CHEN ; Shasha HUANG ; Rong LI ; Wei LI
Journal of Clinical Otorhinolaryngology Head and Neck Surgery 2025;39(6):542-547
Objective:This study aims to evaluate the clinical utility of total IgE (tIgE) and specific IgE (sIgE) levels in nasal secretions for diagnosing allergic rhinitis. The investigation is enhanced through an improved method of nasal secretion collection and advanced quantum dot immunofluorescence detection technology. Methods:A total of 88 subjects were enrolled in this study, and demographic data and clinical characteristics were collected through standardized questionnaires. Anterior rhinoscope was used to check the local condition of the nasal cavity. Each participant underwent skin prick test(SPT). The total IgE(tIgE) and sIgE in nasal secretions were quantitatively analyzed by improved nasal secretion collection strategy and quantum dot immunofluorescence method, and the correlation between them and clinical symptoms and signs was discussed. The receiver operating characteristic curve(ROC) was used to calculate the optimum threshold and detection efficiency of total IgE and sIgE in nasal secretions. Results:The improved method successfully collected nasal secretions from all subjects. Based on SPT results, participants were categorized into three groups: normal control (20 cases), non-allergic rhinitis (22 cases), and allergic rhinitis (46 cases). Analysis showed that both tIgE and sIgE levels in nasal secretions correlated with nasal symptoms and signs. A tIgE level of ≥9.42 IU/mL was identified as a cut-off for allergic rhinitis diagnosis, demonstrating an 85.37% agreement with SPT results. Furthermore, cut-off values for house dust mite sIgE (≥0.34 IU/mL) and dermatophagoides Farinae sIgE (≥0.41 IU/mL) yielded a diagnostic agreement of 97.56% with SPT. Notably, two patients in the non-allergic rhinitis group tested negative for SPT but positive for dust mite sIgE in nasal secretions and exhibited positive results in the nasal provocation test, indicating potential local allergic rhinitis. Conclusion:The assessment of tIgE and mite-specific IgE levels in nasal secretions presents a rapid, reliable, and non-invasive approach for diagnosing allergic rhinitis, particularly in cases of local allergic rhinitis.
Humans
;
Immunoglobulin E/analysis*
;
Quantum Dots
;
Male
;
Female
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Adult
;
Young Adult
;
Middle Aged
;
Rhinitis, Allergic/immunology*
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Adolescent
;
Fluorescent Antibody Technique/methods*
;
Case-Control Studies
;
Nasal Mucosa/immunology*
5.Akkermansia muciniphila gavage improves gut-brain interaction disorders in gp120 transgenic mice.
Jiachun LUO ; Sodnomjamts BATZAYA ; Xuefeng GAO ; Jingyu CHEN ; Zhengying YU ; Shasha XIONG ; Hong CAO
Journal of Southern Medical University 2025;45(3):554-565
OBJECTIVES:
To explore the effect of A. muciniphila gavage on intestinal microbiota and gut-brain interaction disorders (DGBIs) in gp120tg transgenic mouse models of HIV-associated neurocognitive disorder (HAND).
METHODS:
Intestinal microbiota was detected by 16S rRNA gene sequencing in 6-, 9-, and 12-month-old wild-type (WT) mice and gp120tg transgenic mice. The 12-month-old WT and transgenic mice were divided into 2 groups for daily treatment with PBS or A.muciniphila gavage (2×108 CFU/mouse) for 6 weeks. After the treatment, immunohistochemistry, ELISA and qPCR were used to detect changes in colonic expression levels of glycosylated mucins, MBP and IL-1β, eosinophil infiltration, serum lipopolysaccharide (LPS) levels, and colonic expressions of occludin, ZO-1, IL-10, TNF-α and INF-γ mRNA. Morris water maze test and immunofluorescence assay were used to assess learning and spatial memory abilities and neuronal damage of the mice.
RESULTS:
Compared with WT mice, the transgenic mice exhibited significantly lowered Simpson's diversity of the intestinal microbiota with reduced abundance of Akkermansia genus, increased serum LPS levels and decreased colonic expression of glycosylated mucin. A.muciniphila gavage obviously ameliorated the reduction of glycosylated mucin in the transgenic mice without causing significant changes in body weight. The 12-month-old gp120tg mice had significantly decreased cdonic expressions of Occludin and ZO-1 with increased eosinophil infiltration and TNF-β, INF-γ and IL-1β levels and obviously lowered IL-10 level; all these changes were significantly mitigated by A.muciniphila gavage, which also improved cognitive impairment and neuronal loss in the hippocampus and cortex of the transgenic mice.
CONCLUSIONS
The gp120tg mice have lower intestinal microbiota richness and diversity than WT mice. The 12-month-old gp120tg mice have significantly reduced Akkermansia abundance with distinct DGBIs-related indexes, and A. muciniphila gavage can reduce intestinal barrier injury, colonic inflammation and eosinophil activation, cognitive impairment and brain neuron injury in these mice.
Animals
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Mice, Transgenic
;
Gastrointestinal Microbiome
;
Mice
;
Brain
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HIV Envelope Protein gp120/genetics*
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Akkermansia
;
Disease Models, Animal
6.Engineering of CmpLs enhances L-glutamate production of Corynebacterium glutamicum.
Xingtao ZUO ; Shasha ZHONG ; Ningyun CAI ; Tuo SHI ; Zhidan ZHANG ; Yuantao LIU ; Jiao LIU ; Depei WANG ; Jiuzhou CHEN ; Ping ZHENG
Chinese Journal of Biotechnology 2025;41(1):271-287
The efficient production of L-glutamate is dependent on the product's rapid efflux, hence researchers have recently concentrated on artificially modifying its transport system and cell membrane wall structure. Considering the unique composition and structure of the cell wall of Corynebacterium glutamicum, we investigated the effects of CmpLs on L-glutamate synthesis and transport in SCgGC7, a constitutive L-glutamate efflux strain. First, the knockout strains of CmpLs were constructed, and it was confirmed that the deletion of CmpL1 and CmpL4 significantly improved the performance of L-glutamate producers. Next, temperature-sensitive L-glutamate fermentation with the CmpL1 and CmpL4 knockout strains were carried out in 5 L bioreactors, where the knockout strains showcased temperature-sensitive characteristics and enhanced capacities for L-glutamate production under high temperatures. Notably, the CmpL1 knockout strain outperformed the control strain in terms of L-glutamate production, showing production and yield increases of 69.2% and 55.3%, respectively. Finally, the intracellular and extracellular metabolites collected at the end of the fermentation process were analyzed. The modification of CmpLs greatly improved the L-glutamate excretion and metabolic flux for both L-glutamate production and transport. Additionally, the CmpL1 knockout strain showed decreased accumulation of downstream metabolites of L-glutamate and intermediate metabolites of tricarboxylic acid (TCA) cycle, which were consistent with its high L-glutamate biosynthesis capacity. In addition to offering an ideal target for improving the stability and performance of the industrial strains for L-glutamate production, the functional complementarity and redundancy of CmpLs provide a novel target and method for improving the transport of other metabolites by modification of the cell membrane and cell wall structures in C. glutamicum.
Corynebacterium glutamicum/genetics*
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Glutamic Acid/biosynthesis*
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Fermentation
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Metabolic Engineering
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Bacterial Proteins/metabolism*
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Bioreactors/microbiology*
;
Gene Knockout Techniques
7.Research progress in pulmonary toxicity and mechanisms of zinc oxide nanoparticles
Huangbin WANG ; Min XIONG ; Shasha HUANG ; Liduan HUANG ; Qiufeng XU ; Shuzhen CHEN
Chinese Journal of Pharmacology and Toxicology 2024;38(11):880-886
Zinc oxide nanoparticles(ZnO NPs)have been gradually introduced into people's lives due to their excellent properties.In daily contact,ZnO NPs can enter the human body in a variety of ways and accumulate in tissues and organs.Inhalation is an important means by which ZnO NPs enter the human body and deposit in lungs.Studies have shown that exposure of lungs to ZnO NPs will cause a range of negative effects.The mechanism of pulmonary toxicity induced by ZnO NPs is related to Zn2+release,oxidative stress,DNA damage,autophagy,inflammation and pulmonary surfactant dysfunction.This paper reviews the pulmonary toxicity and mechanisms of ZnO NPs,and summarizes the prevention and treatment strategies,which provides scientific basis for safer use of nanomaterials,and potential intervention strategies for the prevention and treatment of nanotoxicity.
8.Advances in the Application of Multimodality Imaging Assessment of Left Ventricular Reverse Remodeling After Aortic Valve Replacement
Zhiyuan JIN ; Yaxi WANG ; Shasha DUAN ; Yilu SHI ; Wenyan FU ; Dan ZHANG ; Qi CHEN ; Xiaoshan ZHANG
Chinese Journal of Medical Imaging 2024;32(10):1080-1084
Chronic aortic stenosis and regurgitation can cause left ventricular remodeling.Whether these changes are reversible and their reversibility after valve replacement are the main determinants affecting the timing and prognosis of surgery.Imaging techniques are commonly used to evaluate myocardial structure and function,in which echocardiography and enhanced CT are helpful to evaluate artificial flap function and monitor left ventricular deformation,while cardiac MR and PET/CT are helpful to identify the progression and regression of postoperative cardiac fibrosis.The combined application of these new techniques can improve clinical outcomes by early diagnosis and non-invasive detection of postoperative left ventricular reverse remodeling.This paper reviews the evaluation and application of multi-modal imaging techniques for left ventricular reverse remodeling after aortic valve replacement.
9.A case of pharmaceutical caring for psychiatric abnormalities associated with low dose regorafenib in the treatment of advanced soft tissue sarcoma
Shasha FANG ; Wei AN ; Ying TIAN ; Qianqian YU ; Mingwei ZHANG ; Min CHEN
Chinese Journal of Pharmacoepidemiology 2024;33(4):466-470
In this report,we described a case of a clinical practice,in which the clinical pharmacists was involved in the treatment of a soft tissue sarcoma patient,who was diagnosed with mental disorders induced by regorafenib.The patient was complicated with hypoproteinemia,hepatic insufficiency,leukoencephalopathy and other diseases.Before the treatment,the patient's mental was normal.After continuous administration of regorafenib(40 mg,po,qd)for 5 days,the patient has a sudden loss of consciousness.Clinical pharmacists excluded the possibility of mental disorders caused by tumor brain metastases,exacerbation of leucoencephalopathy or hepatic encephalopathy and the drugs used together.They determined that mental disorders were likely to be related to the use of regorafenib through the association evaluation of adverse reactions.It was considered to be an adverse reaction induced by regorafenib.Therefore,regorafenib treatment was temporarily suspended and symptomatic treatment was given.After 5 days,the patient's mental state improved.In addition,clinical pharmacists monitored the patient for symptomatic treatment,and provided appropriate antitumor drug treatment recommendations based on evidence-based evidence.This case suggests that the clinical use of regorafenib should be vigilant against mental disorders adverse reactions,do a good job of pharmaceutical care,and timely drug analysis and symptomatic treatment after adverse reactions.
10.Effects of ultraviolet combined with Kangfuxin liquid and oxygen therapy on post chemotherapy oral mucositis
Zhaoqin XIE ; Xiaoqin QI ; Jingjing WU ; Si CHEN ; Shasha FENG ; Yanqiu SHEN
Chinese Journal of Modern Nursing 2024;30(9):1223-1227
Objective:To explore the effect of ultraviolet-C (UV-C) combined with Kangfuxin liquid wet compress and oxygen blowing method on the post chemotherapy oral mucositis (OM) in patients with hematological malignancies.Methods:From January 2022 to February 2023, convenience sampling was used to select 120 patients with post chemotherapy OM in the Department of Hematology of the Affiliated Huai'an First People's Hospital of Nanjing Medical University. The patients were randomly divided into a control group and an observation group, with 60 cases in each group. The control group received Kangfuxin liquid wet compress, while the observation group carried out a combination of UV-C irradiation and oxygen oral blowing method on the basis of the control group. This study compared the Visual Analogue Scale (VAS) score before and two days after treatment, the healing status of OM after treatment on the 5th day, and the healing time of OM between the two groups of patients.Results:A total of 108 patients completed the study, with 52 in the control group and 56 in the observation group. After two days of treatment, the VAS scores of both groups of patients were lower than those before treatment, and those of the observation group were lower than those of the control group, with statistically significant differences ( P<0.05). On the 5th day of treatment, the healing rate of OM in the observation group was higher than that in the control group, and the difference was statistically significant (χ 2=5.425, P<0.05). The healing time of OM in the observation group was shorter than that in the control group, and the difference was statistically significant ( t=2.458, P<0.05) . Conclusions:The combination of UV-C, Kangfuxin liquid and oxygen blowing method can alleviate pain, improve the healing rate of OM, and shorten the healing time of post chemotherapy OM in patients with hematological malignancies, which is worthy of clinical promotion.

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