1.Role of Endoplasmic Reticulum Stress in Atherosclerosis and Its Regulation by Traditional Chinese Medicine: A Review
Qingzhi LIANG ; Zhengtao CHEN ; Ruoran ZHOU ; Jiying LI ; Yuan ZHANG ; Chunguang XIE ; Qiyue YANG
Chinese Journal of Experimental Traditional Medical Formulae 2024;30(5):226-235
		                        		
		                        			
		                        			Atherosclerosis (AS) is a chronic inflammatory pathological process in which lipid and/or fibrous substances are deposited in the intima of arteries, and it is one of the pathological bases of many cardiovascular and cerebrovascular diseases. Endoplasmic reticulum stress (ERS) is a protective mechanism of cell adaptation. Moderate ERS can reduce abnormal protein aggregation and increase the degradation of misfolded proteins to repair and stabilize the internal environment, while excessive ERS can cause unfolded protein reaction, activate inflammation, oxidative stress, apoptosis, autophagy, and other downstream pathways, and lead to cell damage, or even apoptosis. A large number of studies have shown that ERS mediates a variety of pathological processes related to AS, affects endothelial cells, smooth muscle cells, macrophages, endothelial progenitor cells, and other cell components closely related to its occurrence and development, influences the progress of AS by regulating cell function, and promotes the formation of AS plaque, the transformation of stable plaque to unstable plaque, and the rupture of unstable plaque. Regulation of ERS may be a key target for the prevention and treatment of AS, and it is a research hotspot at present. Traditional Chinese medicine (TCM) believes that the origin of AS is the imbalance of Yin and Yang, the disharmony of Zangfu organs, and the abnormal operation of Qi, blood, and body fluid, which leads to the accumulation of phlegm, blood stasis, and other pathological products in the pulse channels, making the blood flow blocked or misfunction and causing the disease, which belongs to the syndrome of deficiency in origin and excess in superficiality. As the pathogenesis of AS is complex, and the symptoms are diverse, TCM has significant advantages in treating AS because of its multiple targets, multiple pathways, stable efficacy, strong individualization, and high safety. This paper systematically elaborated on the role of ERS in the occurrence and development of AS and summarized the mechanism research on the regulation and control of ERS by Chinese herbal monomer, Chinese herbal extract, Chinese herbal compound, and proprietary medicine, so as to provide a theoretical basis for clinical research and drug development in the prevention and treatment of AS. 
		                        		
		                        		
		                        		
		                        	
2.Percutaneous mechanical thrombectomy for treating different traditional Chinese medicine syndrome type lower extremity arterial thromboses
Luyao WANG ; Mingzhu SONG ; Yuhan ZHANG ; Wenye HE ; Qingzhi HAO ; Bin WANG
Chinese Journal of Interventional Imaging and Therapy 2024;21(11):649-653
		                        		
		                        			
		                        			Objective To observe the efficacy of percutaneous mechanical thrombectomy(PMT)for treating different traditional Chinese medicine(TCM)syndrome type lower extremity arterial thromboses.Methods Forty patients with lower extremity arterial thromboses who underwent PMT were retrospectively enrolled and divided into dampness-heat syndrome group(n=18)and blood stasis syndrome group(n=22)according to TCM syndrome types.The technical success rate,ankle-brachial index(ABI),Rutherford grade and vascular patency rate 12 months after PMT were compared between groups.Perioperative complications and adverse events during follow-up were recorded.Results The technical success rate of PMT in dampness-heat syndrome group and blood stasis syndrome group was 94.44%(17/18)and 100%(22/22),respectively.Twelve months after PMT,ABI was 0.45±0.11 and 0.52±0.14,and vascular patency rate was 94.44%(17/18)and 81.82%(18/22)in dampness-heat syndrome group and blood stasis syndrome group,respectively,both not significantly different between groups(all P>0.05).No significant difference of Rutherford grade before treatment was found between groups(P>0.05),while 12 months after PMT,Rutherford grade in dampness-heat syndrome group was higher than in blood stasis syndrome group(P<0.05).During perioperative period,false aneurysm of brachial artery occurred in 1 case in dampness-heat syndrome group,while osteofascial compartment syndrome and atrial fibrillation occurred each in 1 case in blood stasis syndrome group,both relieved after treatments.No serious adverse event such as amputation nor death occurred during follow-up.Conclusion PMT was effective and safe for treating different TCM syndrome type lower extremity arterial thromboses.The prognosis of patients with blood stasis syndrome type lower extremity arterial thromboses was better than that of those with dampness-heat syndrome.
		                        		
		                        		
		                        		
		                        	
3.Prevention and Treatment of Diabetic Nephropathy by Regulating Endoplasmic Reticulum Stress with Traditional Chinese Medicine: A Review
Zhengtao CHEN ; Qingzhi LIANG ; Yuan ZHANG ; Yan YANG ; Mengping WANG ; Chunguang XIE ; Hong GAO
Chinese Journal of Experimental Traditional Medical Formulae 2023;29(1):227-239
		                        		
		                        			
		                        			Diabetic nephropathy (DN) is one of the serious and common microvascular complications of diabetes mellitus (DM) and the main cause of end-stage renal disease (ESRD). Endoplasmic reticulum stress (ERS) is a common stress defense mechanism in eukaryotic cells. In the ERS state, cells activate the unfolded protein response (UPR) to enhance the folding of unfolded proteins and the degradation of misfolded proteins, so as to restore the normal physiological function of the endoplasmic reticulum and avoid cell damage. However, excessive or chronic persistent ERS can induce apoptosis, inflammation, oxidative stress and other pathways to eventually cause cell damage. In recent years, a large number of studies have confirmed that ERS is closely associated with the occurrence and development of DN. In the case of DN, ERS is involved in the damage or protection of podocytes, glomerular mesangial cells, renal tubular epithelial cells, and glomerular endothelial cells. The regulation of ERS has become one of the hotspots in the prevention and treatment of DN and has received extensive attention in the field of traditional Chinese medicine. This paper systematically expounds the role of ERS in the occurrence and development of DN and summarizes the ERS-targeted regulation of DN by traditional Chinese medicine, with a view to providing certain research ideas for the prevention and control of DN with traditional Chinese medicine. 
		                        		
		                        		
		                        		
		                        	
4.Highly sensitive H2O2-scavenging nano-bionic system for precise treatment of atherosclerosis.
Xiaoyu LIANG ; Huiyang LI ; Xuanling LI ; Xinxin TIAN ; Aiai ZHANG ; Qingzhi LUO ; Jianwei DUAN ; Youlu CHEN ; Liyun PANG ; Chen LI ; Xing-Jie LIANG ; Yong ZENG ; Jing YANG
Acta Pharmaceutica Sinica B 2023;13(1):372-389
		                        		
		                        			
		                        			In atherosclerosis, chronic inflammatory processes in local diseased areas may lead to the accumulation of reactive oxygen species (ROS). In this study, we devised a highly sensitive H2O2-scavenging nano-bionic system loaded with probucol (RPP-PU), to treat atherosclerosis more effectively. The RPP material had high sensitivity to H2O2, and the response sensitivity could be reduced from 40 to 10 μmol/L which was close to the lowest concentration of H2O2 levels of the pathological environment. RPP-PU delayed the release and prolonged the duration of PU in vivo. In Apolipoprotein E deficient (ApoE‒/‒) mice, RPP-PU effectively eliminated pathological ROS, reduced the level of lipids and related metabolic enzymes, and significantly decreased the area of vascular plaques and fibers. Our study demonstrated that the H2O2-scavenging nano-bionic system could scavenge the abundant ROS in the atherosclerosis lesion, thereby reducing the oxidative stress for treating atherosclerosis and thus achieve the therapeutic goals with atherosclerosis more desirably.
		                        		
		                        		
		                        		
		                        	
5.Autophagy of Vascular Endothelial Cells Influences Diabetic Macroangiopathy: Based on Theory of Qi Deficiency and Stagnation
Qingzhi LIANG ; Zhengtao CHEN ; Yulin LENG ; Zehua ZHANG ; Qiyue YANG ; Hong GAO ; Chunguang XIE
Chinese Journal of Experimental Traditional Medical Formulae 2023;29(3):178-185
		                        		
		                        			
		                        			The basic pathological change of diabetic macroangiopathy is atherosclerosis (AS), which is mainly associated with vascular endothelial cells (VECs) injury, oxidative stress, glucose and lipid metabolism disorders, hemorheological abnormalities, and endoplasmic reticulum stress. The injury and dysfunction of VECs are the initiating factors of diabetic macroangiopathy. Autophagy is a subcellular self-protection mechanism that regulates basic intracellular metabolism through lysosome-mediated degradation of proteins and damaged organelles to maintain homeostasis. Insufficient autophagy of VECs leads to enhanced inflammation, apoptosis, and oxidative stress of VECs, which promotes AS. According to the theory of traditional Chinese medicine (TCM), diabetic macroangiopathy corresponds to the syndrome of internal deficiency and pathogen invasion, with Qi deficiency and stagnation as the key pathogenesis. Qi deficiency is the root cause, and Qi stagnation is the manifestation. The disease occurs with the initial cause of nutrient-defense disharmony and instability of vessels, the main cause of the deficiency of kidney Qi and the lack of source for generation and transformation, the internal cause of Qi and blood loss in the viscera and the stagnation of Qi, blood, and fluid, and the superficial cause of the stagnation of pathological products and the damage of vessels. Autophagy is a microscopic manifestation of Qi, which has the function of dispelling pathogens and maintaining homeostasis. Insufficient autophagy of VECs leads to Qi deficiency and stagnation, and the gradual deficiency and heavy stagnation of Qi lead to insufficient autophagy, which form a vicious cycle. Modern research has demonstrated that regulating the autophagy of VECs is the main way to prevent and treat AS, and TCM can exert the therapeutic effect in a multi-target and multi-pathway manner. Therefore, based on the theory of Qi deficiency and stagnation, the method of tonifying deficiency of and removing stagnation can be adopted to select prescriptions for regulating the autophagy of VECs and treating AS, which can slow down the procession of diabetic macroangiopathy. 
		                        		
		                        		
		                        		
		                        	
6.Pathogenesis and Treatment of Diabetic Macroangiopathy Based on Theory of Hidden Pathogen Damaging Collaterals
Qingzhi LIANG ; Yulin LENG ; Zhengtao CHEN ; Mengyuan CAI ; Zehua ZHANG ; Hong GAO ; Hongyan XIE ; Chunguang XIE
Chinese Journal of Experimental Traditional Medical Formulae 2022;28(14):194-199
		                        		
		                        			
		                        			The basic pathological change of diabetic macroangiopathy is atherosclerosis, and the metabolism legacy effect of hyperglycemia will cause continuous damage to the large vessels. Oxidative stress is a common mechanism for diabetes and its chronic complications and it is also the basis of the metabolism legacy effect which keeps damaging the large vessels. Anti-oxidant therapy can delay the course of diabetic macroangiopathy. According to the theory of traditional Chinese medicine (TCM), the pathogenicity of hidden pathogen is concealing, lingering, and refractory. On the basis of the syndrome and treatment of collateral diseases, vessel-collateral theory, and hidden pathogen theory of TCM, the pathological changes of diabetic macroangiopathy are summarized as pathogen concealment-accumulation of sugar and lipids leading to phlegm and blood stasis-accumulation of toxins-damage to vessels and collaterals-hardening vessels. The core pathogenesis is the hidden pathogen damaging the collaterals, and the basic pathological change is vessel hardening. The toxins of sugar, lipid, phlegm, and stasis are the pathological products and the key to be treated. According to this theory, the medicinal materials with the functions of activating blood to dredging collaterals, resolving phlegm to clearing collaterals, Promoting qi to unblocking collaterals and removing toxins to shunting collaterals can be selected for prescription. These medicinal materials can inhibit the generation of reactive oxygen species, affect the oxidase activity, and enhance the antioxidant capacity, thereby regulating the oxidative stress response, protecting the vascular endothelial function, reducing the damage of the large blood vessels, and slowing down the progression of the disease. Such therapy is of great significance in clinical practice and research, providing a new idea for the prevention and treatment of diabetic macroangiopathy. 
		                        		
		                        		
		                        		
		                        	
7.Variation of the Vaginal Microbiome During and After Pregnancy in Chinese Women
Zhang XIAOAI ; Zhai QINGZHI ; Wang JINFENG ; Ma XIULING ; Xing BO ; Fan HANG ; Gao ZHIYING ; Zhao FANGQING ; Liu WEI
Genomics, Proteomics & Bioinformatics 2022;20(2):322-333
		                        		
		                        			
		                        			A comprehensive profiling of the vaginal microbial communities and their variability enables an accurate description of the microbiome in women.However,there is a lack of studies available on Chinese women.In the present study,the composition of the vaginal microbiota during pregnancy and the 6-week postpartum period of 454 Chinese women was characterized by sequenc-ing the V3-V4 region of the 16S ribosomal RNA(rRNA)gene.The vaginal microbiome showed variations during pregnancy and the postpartum period based on the abortion history,hypertensive disorders,delivery mode,and maternal age.Co-variation of 22 bacterial taxa,including the Lacto-bacillus genus and two of its species,may account for the common characteristics of the vaginal microbiome under scenarios of different medical histories and pregnancy outcomes.In contrast,dis-criminant bacterial species were significantly different between women who had preterm birth(PTB)with and without premature rupture of membranes(PROM),and the community state type(CST)Ⅳ-A without any predominant Lactobacillus species in the microbiota was more prevalent during pregnancy in the PROM-PTB cases,suggesting that specific bacterial species could be considered to distinguish between different types of PTB.By providing data on Chinese women,this study will enrich the knowledge of the human microbiome and contribute to a better understanding of the association between the vaginal microbiome and reproductive health.
		                        		
		                        		
		                        		
		                        	
8.Mechanisms Underlying the Role of Myeloid-Derived Suppressor Cells in Clinical Diseases: Good or Bad
Yongtong GE ; Dalei CHENG ; Qingzhi JIA ; Huabao XIONG ; Junfeng ZHANG
Immune Network 2021;21(3):e21-
		                        		
		                        			
		                        			Myeloid-derived suppressor cells (MDSCs) have strong immunosuppressive activity and are morphologically similar to conventional monocytes and granulocytes. The development and classification of these cells have, however, been controversial. The activation network of MDSCs is relatively complex, and their mechanism of action is poorly understood, creating an avenue for further research. In recent years, MDSCs have been found to play an important role in immune regulation and in effectively inhibiting the activity of effector lymphocytes.Under certain conditions, particularly in the case of tissue damage or inflammation, MDSCs play a leading role in the immune response of the central nervous system. In cancer, however, this can lead to tumor immune evasion and the development of related diseases. Under cancerous conditions, tumors often alter bone marrow formation, thus affecting progenitor cell differentiation, and ultimately, MDSC accumulation. MDSCs are important contributors to tumor progression and play a key role in promoting tumor growth and metastasis, and even reduce the efficacy of immunotherapy. Currently, a number of studies have demonstrated that MDSCs play a key regulatory role in many clinical diseases. In light of these studies, this review discusses the origin of MDSCs, the mechanisms underlying their activation, their role in a variety of clinical diseases, and their function in immune response regulation.
		                        		
		                        		
		                        		
		                        	
9.Mechanisms Underlying the Role of Myeloid-Derived Suppressor Cells in Clinical Diseases: Good or Bad
Yongtong GE ; Dalei CHENG ; Qingzhi JIA ; Huabao XIONG ; Junfeng ZHANG
Immune Network 2021;21(3):e21-
		                        		
		                        			
		                        			Myeloid-derived suppressor cells (MDSCs) have strong immunosuppressive activity and are morphologically similar to conventional monocytes and granulocytes. The development and classification of these cells have, however, been controversial. The activation network of MDSCs is relatively complex, and their mechanism of action is poorly understood, creating an avenue for further research. In recent years, MDSCs have been found to play an important role in immune regulation and in effectively inhibiting the activity of effector lymphocytes.Under certain conditions, particularly in the case of tissue damage or inflammation, MDSCs play a leading role in the immune response of the central nervous system. In cancer, however, this can lead to tumor immune evasion and the development of related diseases. Under cancerous conditions, tumors often alter bone marrow formation, thus affecting progenitor cell differentiation, and ultimately, MDSC accumulation. MDSCs are important contributors to tumor progression and play a key role in promoting tumor growth and metastasis, and even reduce the efficacy of immunotherapy. Currently, a number of studies have demonstrated that MDSCs play a key regulatory role in many clinical diseases. In light of these studies, this review discusses the origin of MDSCs, the mechanisms underlying their activation, their role in a variety of clinical diseases, and their function in immune response regulation.
		                        		
		                        		
		                        		
		                        	
10.Characteristics of cervical microecology in late reproductive-age women with different grades of cervical lesions.
Qingzhi ZHAI ; Tengjie REN ; Yurong FU ; Zhe ZHANG ; Li'an LI ; Yali LI ; Yuanguang MENG
Journal of Southern Medical University 2020;40(12):1768-1775
		                        		
		                        			OBJECTIVE:
		                        			To analyze the characteristics of cervical microecology in late reproductive-age women with cervical lesions and explore new methods for preventing cervical lesions.
		                        		
		                        			METHODS:
		                        			Cervical smears were obtained from a total of 147 women of late reproductive age, including 24 with high-risk HPV infection (HR-HPV), 27 with low-grade squamous intra-epithelial lesions (LSIL), 36 with high-grade squamous intra-epithelial lesions (HSIL), 35 with cervical cancer (CC) and 25 healthy women. llumina MiSeq sequencing of V3-V4 region of the 16S rRNA gene amplicons was used to characterize the vaginal microbiota of the women. OTUs analysis of the valid data was performed, and the α-diversity (Chao1, Simpson's Index and Shannon Index) and β-diversity (T-test, weighted UniFrac β diversity, and MetaStat analysis) were evaluated.
		                        		
		                        			RESULTS:
		                        			Dilution curve and species accumulation boxplot validated the quality of the samples. OTUs analysis of the 5 groups demonstrated that cervical bacterial genus consisted primarily of 
		                        		
		                        			CONCLUSIONS
		                        			The abundance of
		                        		
		                        		
		                        		
		                        			Female
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		                        			Humans
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		                        			Microbiota
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		                        			Papillomaviridae
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		                        			Papillomavirus Infections
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		                        			RNA, Ribosomal, 16S/genetics*
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		                        			Uterine Cervical Neoplasms
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		                        			Vaginal Smears
		                        			
		                        		
		                        	
            
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