1.Research advances in triggering receptor expressed on myeloid cells 2 in the pathogenesis of Alzheimer's disease
Lishu SU ; Shuohan WANG ; Xinyao QI ; Jing GAO ; Pengjuan XU
Journal of Chongqing Medical University 2025;50(8):1016-1020
Alzheimer's disease(AD)is a highly destructive neurodegenerative disorder,and due to its complex pathology and insuffi-cient treatment,it is urgent to explore new targets that can directly address the root cause of the disease.In recent years,numerous stud-ies have shown that triggering receptor expressed on myeloid cells 2(TREM2)in microglial cells has the function of delaying the pro-gression of AD,and its abnormality plays a key role in the development and progression of AD,with a potential of being used as a target for the treatment of AD.This article reviews the biological characteristics of TREM2 and discusses its important role in the three major pathological features of AD and its potential as a target for AD treatment,in order to deepen the understanding of the role of TREM2 in AD and provide a theoretical reference for exploring new targets for AD treatment in the future.
2.Synergistic activation of AMPK by AdipoR1/2 agonist and inhibitor of EDPs-EBP interaction recover NAFLD through enhancing mitochondrial function in mice.
Nazi SONG ; Hongjiao XU ; Shuohan WU ; Suijia LUO ; Jingyao XU ; Qian ZHAO ; Rui WANG ; Xianxing JIANG
Acta Pharmaceutica Sinica B 2023;13(2):542-558
Nonalcoholic fatty liver disease (NAFLD), especially nonalcoholic steatohepatitis (NASH), is a common hepatic manifestation of metabolic syndrome. However, there are no effective therapy to treat this devastating disease. Accumulating evidence suggests that the generation of elastin-derived peptides (EDPs) and the inhibition of adiponectin receptors (AdipoR)1/2 plays essential roles in hepatic lipid metabolism and liver fibrosis. We recently reported that the AdipoR1/2 dual agonist JT003 significantly degraded the extracellular matrix (ECM) and ameliorated liver fibrosis. However, the degradation of the ECM lead to the generation of EDPs, which could further alter liver homeostasis negatively. Thus, in this study, we successfully combined AdipoR1/2 agonist JT003 with V14, which acted as an inhibitor of EDPs-EBP interaction to overcome the defect of ECM degradation. We found that combination of JT003 and V14 possessed excellent synergistic benefits on ameliorating NASH and liver fibrosis than either alone since they compensate the shortage of each other. These effects are induced by the enhancement of the mitochondrial antioxidant capacity, mitophagy, and mitochondrial biogenesis via AMPK pathway. Furthermore, specific suppression of AMPK could block the effects of the combination of JT003 and V14 on reduced oxidative stress, increased mitophagy and mitochondrial biogenesis. These positive results suggested that this administration of combination of AdipoR1/2 dual agonist and inhibitor of EDPs-EBP interaction can be recommended alternatively for an effective and promising therapeutic strategy for the treatment of NAFLD and NASH related fibrosis.
3.Study on the value of pharmaceutical service related to risdiplam based on follow-up data of DTP pharmacy
Zaihuan SHI ; Fangting WANG ; Zhijun GUO ; Shuohan HUANG ; Linhui ZHU ; Zheyuan WANG ; Qiong DU ; Qing ZHAI
China Pharmacy 2023;34(19):2414-2418
OBJECTIVE To explore the value of providing pharmaceutical service related to risdiplam in direct-to-patient (DTP) pharmacies. METHODS The follow-up data of spinal muscular atrophy (SMA) patients who purchased and used risdiplam from Shangyao Yunjiankang Yiyao Pharmacy (Shanghai) Co., Ltd. from May 2021 to January 2023 were collected. The medication information, therapeutic efficacy and the occurrence of adverse events were retrospectively analyzed. RESULTS A total of 42 prescriptions were checked by pharmacists in the DTP pharmacies, and 7 prescriptions were found to be unreasonable (16.7%, 7/42), which were corrected after the timely intervention. During the follow-up management, pharmacists replied to 4 patients (9.5%, 4/42) regarding medication consultation about medication requirements and adverse events. Two patients with type Ⅰ SMA experienced adverse events: one of them presented with fever and the other presented with skin dryness with darkening. Both of them were grade Ⅰ toxic reactions and generally did not require clinical treatment. Considering that the patient sustained low-grade fever for a long time, the pharmacist suggested symptomatic treatment under the guidance of the doctor. CONCLUSIONS Pharmacists in DTP pharmacies conducting follow-up management of risdiplam use for rare disease SMA patients can help promote rational, standardized medication for patients.
4.Design of a highly potent GLP-1R and GCGR dual-agonist for recovering hepatic fibrosis.
Nazi SONG ; Hongjiao XU ; Jiahua LIU ; Qian ZHAO ; Hui CHEN ; Zhibin YAN ; Runling YANG ; Zhiteng LUO ; Qi LIU ; Jianmei OUYANG ; Shuohan WU ; Suijia LUO ; Shuyin YE ; Runfeng LIN ; Xi SUN ; Junqiu XIE ; Tian LAN ; Zhongdao WU ; Rui WANG ; Xianxing JIANG
Acta Pharmaceutica Sinica B 2022;12(5):2443-2461
Currently, there is still no effective curative treatment for the development of late-stage liver fibrosis. Here, we have illustrated that TB001, a dual glucagon-like peptide-1 receptor/glucagon receptor (GLP-1R/GCGR) agonist with higher affinity towards GCGR, could retard the progression of liver fibrosis in various rodent models, with remarkable potency, selectivity, extended half-life and low toxicity. Four types of liver fibrosis animal models which were induced by CCl4, α-naphthyl-isothiocyanate (ANIT), bile duct ligation (BDL) and Schistosoma japonicum were used in our study. We found that TB001 treatment dose-dependently significantly attenuated liver injury and collagen accumulation in these animal models. In addition to decreased levels of extracellular matrix (ECM) accumulation during hepatic injury, activation of hepatic stellate cells was also inhibited via suppression of TGF-β expression as well as downstream Smad signaling pathways particularly in CCl4-and S. japonicum-induced liver fibrosis. Moreover, TB001 attenuated liver fibrosis through blocking downstream activation of pro-inflammatory nuclear factor kappa B/NF-kappa-B inhibitor alpha (NFκB/IKBα) pathways as well as c-Jun N-terminal kinase (JNK)-dependent induction of hepatocyte apoptosis. Furthermore, GLP-1R and/or GCGR knock-down results represented GCGR played an important role in ameliorating CCl4-induced hepatic fibrosis. Therefore, TB001 can be used as a promising therapeutic candidate for the treatment of multiple causes of hepatic fibrosis demonstrated by our extensive pre-clinical evaluation of TB001.

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