1.Exploration in Relationship Between Mitochondrial Homeostasis Dysregulation and Panvascular Diseases Based on Theory of ''Positive Deficiency Phlegm Stasis''
Hongping LI ; Jie WANG ; Zhenpeng ZHANG ; Chao LIU ; Lanchun LIU ; Chengzhi HOU
Chinese Journal of Experimental Traditional Medical Formulae 2026;32(1):30-38
Panvascular diseases represent systemic vascular disorders characterized by atherosclerosis as their core pathological feature. Their incidence rates continue to rise, posing significant challenges for clinical management. Based on Traditional Chinese Medicine (TCM) theory of ''positive deficiency phlegm stasis'', this study delved into the pivotal role of mitochondrial homeostasis dysregulation in the pathogenesis and progression of pan-vascular diseases, along with its intrinsic connection to TCM pathogenesis. Mitochondrial homeostasis dysregulation pervades the entire course of these diseases, with mitochondrial oxidative stress serving as the initiating factor. Excessive reactive oxygen species (ROS) trigger endothelial dysfunction, lipid accumulation, and inflammatory initiation. Additionally, the imbalance between mitochondrial autophagy and apoptosis constitutes a pivotal link in disease progression. Excessive or insufficient autophagy may lead to the accumulation of damaged mitochondria and excessive cellular apoptosis, thereby promoting plaque instability. Furthermore, mitochondrial metabolic reprogramming impairs energy supply and function in vascular wall cells, hindering subsequent vascular repair. These pathological processes constitute the microscopic manifestation of the core pathogenesis, which is characterized by ''the intermingle of phlegm and stasis and the deficiency of healthy Qi''. Specifically, the endogenous phlegm-turbidity drives mitochondrial oxidative stress injuries, the mutual entanglement of phlegm and stasis induces an imbalance between mitochondrial autophagy and apoptosis, while deficiency of healthy Qi propels mitochondrial energy metabolism disorders and reprogramming. In view of this, this study proposed to employ phlegm-resolving and turbidity-clearing methods to mitigate mitochondrial oxidative stress injuries, phlegm-resolving and blood-activating methods to regulate mitochondrial autophagy and apoptosis, and spleen-tonifying and kidney-nourishing methods to modulate mitochondrial metabolic reprogramming. This approach can prevent and treat panvascular diseases by multi-target regulation of mitochondrial homeostasis, providing a theoretical framework and therapeutic strategies for the prevention and treatment of panvascular diseases through integrated Chinese and Western medicine.
2.Material Basis of Anti-Inflammatory Efficacy and Mechanism of Action of Bushen Tongdu Prescription Based on UPLC-LTQ-Orbitrap-MS and Network Pharmacology
Yan RONG ; Lulu JING ; Hongping HOU ; Huijun WANG ; Lihua CHEN ; Yunxin CHEN ; Liang LI ; Li LIN ; Xiaoqin LUO ; Haiyu ZHAO ; Xiaolu WEI
Chinese Journal of Experimental Traditional Medical Formulae 2026;32(10):152-161
ObjectiveThis paper aims to investigate the material basis of the anti-inflammatory efficacy and mechanism of action of Bushen Tongdu prescription (BSTDP). MethodsThe chemical components of BSTDP and its blood-absorbed components in vivo were systematically identified by using ultra-performance liquid chromatography-linear ion trap-electrostatic field orbitrap high-resolution mass spectrometry (UPLC-LIT-Orbitrap-MS). Network pharmacology was employed to screen blood-absorbed bioactive components and potential targets of this formula. A protein-protein interaction (PPI) network of core targets was constructed to conduct enrichment analysis. Molecular docking was further utilized to verify the binding affinity between key components and targets. The inflammatory model was established and verified in vivo by using a transgenic zebrafish Tg (mpx: GFP). At three days post-fertilization (3 dpf), larvae of zebrafish were randomly assigned to blank group, model group, positive drug dexamethasone acetate group (75 μmol·L-1), and BSTDP groups with low, medium, and high doses (500, 1 000, and 2 000 mg·L-1). The distribution and quantity of neutrophils in the yolk sac region were observed under a fluorescence microscope. The mRNA expression levels of key genes in the toll-like receptor 4 (TLR4)/myeloid differentiation factor 88 (MyD88)/nuclear factor kappa-B (NF-κB) signaling pathway and inflammatory factors including interleukin (IL)-1β, IL-6, and tumor necrosis factor-α (TNF-α) were detected by Real-time quantitative polymerase chain reaction (Real-time PCR). ResultsA total of 120 chemical components were identified in BSTDP, among which 26 original components were confirmed by using serum pharmacochemical methods. A total of 227 common targets linking rheumatoid arthritis (RA) and the blood-absorbed components were screened by network pharmacology. It is suggested that pseudobrucine, vomicine, sinapine, rehmannioside, cinnamyl alcohol glycoside, and methylephedrine exert anti-inflammatory effects by acting on core targets including protein kinase B1 (Akt1), signal transducer and activator of transcription 3 (STAT3), tumor necrosis factor (TNF), TLR4, mitogen-activated protein kinase 14 (MAPK14), and phosphatidylinositol-4,5-bisphosphate 3-kinase catalytic subunit α (PIK3CA), thereby modulating multiple signaling pathways such as TLR4 and NF-κB. In vivo verification in zebrafish demonstrates that the maximum tolerable concentration of Bushen Tongdu Formula is 2 000 mg·L-1. Compared to those in the blank group, zebrafish in the model group showed a significantly higher number of neutrophils in the yolk sac region (P<0.01) and rising mRNA levels of TLR4, MyD88, NF-κB, TNF-α, IL-6, and IL-1β (P<0.01). Compared to that in the model group, the number of neutrophils was significantly reduced in BSTDP groups with medium and high doses, as well as the dexamethasone acetate group (P<0.05, P<0.01). There was no statistically significant difference in the low dose group. The mRNA expression levels of TLR4, MyD88, NF-κB, TNF-α, IL-6, and IL-1β were significantly down-regulated (P<0.05, P<0.01). ConclusionThis paper identifies the material basis of the efficacy of BSTDP, demonstrating that the formula can exert an anti-inflammatory effect through the TLR4/MyD88/NF-κB signaling pathway. The results provide scientific experimental evidence for its further clinical application.
3.Construction of A Conceptual Framework for the Integration of Traditional Chinese and Western Medicine in Evolutionary Syndrome Differentiation and Treatment Across Full-cycle of Parkinson's Disease
Yu WANG ; Jianing MEI ; Hongping ZHAO ; Yunzhe TANG ; Zijun WEI ; Qinliang TAO ; Xueyi HAN ; Jiyuan HU ; Yunyun ZHANG
Chinese Journal of Experimental Traditional Medical Formulae 2026;32(10):270-279
Parkinson's disease (PD) is a complex neurodegenerative disease involving multiple systems and neurotransmitters. Due to the high clinical heterogeneity of PD,it is urgent to establish a comprehensive and long-term traditional Chinese medicine (TCM) management model. In this paper,the conceptual framework of full-cycle management of PD is preliminarily constructed:based on the evolution of the pathophysiological mechanisms of protein deposition and neurotransmitter disorder in PD,the three-stage syndrome characteristics of the prodromal stage (predominant healthy Qi with subtle pathogenic factors),the early clinical stage (declining healthy Qi with growing pathogenic factors) and the middle and late stages (overwhelming pathogenic factors with deficient healthy Qi) are longitudinally described. Through the syndrome differentiation of visceral manifestations,the etiology and pathogenesis of PD motor and non-motor symptoms were comprehensively analyzed,while the matching treatment methods and prescriptions were inferred,and the modular scheme of the combining main symptoms,accompanying symptoms and secondary symptoms was proposed. The conceptual gap of TCM regarding motor complications ('variable syndrome') and PD-related hyperpyrexia syndrome ('critical syndrome') was explained. This framework reflects the characteristics of combination of disease and syndrome and overall constant motion,and provides new theories and research ideas for individualized and whole-process management of PD in TCM.
4.Material Basis of Anti-Inflammatory Efficacy and Mechanism of Action of Bushen Tongdu Prescription Based on UPLC-LTQ-Orbitrap-MS and Network Pharmacology
Yan RONG ; Lulu JING ; Hongping HOU ; Huijun WANG ; Lihua CHEN ; Yunxin CHEN ; Liang LI ; Li LIN ; Xiaoqin LUO ; Haiyu ZHAO ; Xiaolu WEI
Chinese Journal of Experimental Traditional Medical Formulae 2026;32(10):152-161
ObjectiveThis paper aims to investigate the material basis of the anti-inflammatory efficacy and mechanism of action of Bushen Tongdu prescription (BSTDP). MethodsThe chemical components of BSTDP and its blood-absorbed components in vivo were systematically identified by using ultra-performance liquid chromatography-linear ion trap-electrostatic field orbitrap high-resolution mass spectrometry (UPLC-LIT-Orbitrap-MS). Network pharmacology was employed to screen blood-absorbed bioactive components and potential targets of this formula. A protein-protein interaction (PPI) network of core targets was constructed to conduct enrichment analysis. Molecular docking was further utilized to verify the binding affinity between key components and targets. The inflammatory model was established and verified in vivo by using a transgenic zebrafish Tg (mpx: GFP). At three days post-fertilization (3 dpf), larvae of zebrafish were randomly assigned to blank group, model group, positive drug dexamethasone acetate group (75 μmol·L-1), and BSTDP groups with low, medium, and high doses (500, 1 000, and 2 000 mg·L-1). The distribution and quantity of neutrophils in the yolk sac region were observed under a fluorescence microscope. The mRNA expression levels of key genes in the toll-like receptor 4 (TLR4)/myeloid differentiation factor 88 (MyD88)/nuclear factor kappa-B (NF-κB) signaling pathway and inflammatory factors including interleukin (IL)-1β, IL-6, and tumor necrosis factor-α (TNF-α) were detected by Real-time quantitative polymerase chain reaction (Real-time PCR). ResultsA total of 120 chemical components were identified in BSTDP, among which 26 original components were confirmed by using serum pharmacochemical methods. A total of 227 common targets linking rheumatoid arthritis (RA) and the blood-absorbed components were screened by network pharmacology. It is suggested that pseudobrucine, vomicine, sinapine, rehmannioside, cinnamyl alcohol glycoside, and methylephedrine exert anti-inflammatory effects by acting on core targets including protein kinase B1 (Akt1), signal transducer and activator of transcription 3 (STAT3), tumor necrosis factor (TNF), TLR4, mitogen-activated protein kinase 14 (MAPK14), and phosphatidylinositol-4,5-bisphosphate 3-kinase catalytic subunit α (PIK3CA), thereby modulating multiple signaling pathways such as TLR4 and NF-κB. In vivo verification in zebrafish demonstrates that the maximum tolerable concentration of Bushen Tongdu Formula is 2 000 mg·L-1. Compared to those in the blank group, zebrafish in the model group showed a significantly higher number of neutrophils in the yolk sac region (P<0.01) and rising mRNA levels of TLR4, MyD88, NF-κB, TNF-α, IL-6, and IL-1β (P<0.01). Compared to that in the model group, the number of neutrophils was significantly reduced in BSTDP groups with medium and high doses, as well as the dexamethasone acetate group (P<0.05, P<0.01). There was no statistically significant difference in the low dose group. The mRNA expression levels of TLR4, MyD88, NF-κB, TNF-α, IL-6, and IL-1β were significantly down-regulated (P<0.05, P<0.01). ConclusionThis paper identifies the material basis of the efficacy of BSTDP, demonstrating that the formula can exert an anti-inflammatory effect through the TLR4/MyD88/NF-κB signaling pathway. The results provide scientific experimental evidence for its further clinical application.
5.Construction of A Conceptual Framework for the Integration of Traditional Chinese and Western Medicine in Evolutionary Syndrome Differentiation and Treatment Across Full-cycle of Parkinson's Disease
Yu WANG ; Jianing MEI ; Hongping ZHAO ; Yunzhe TANG ; Zijun WEI ; Qinliang TAO ; Xueyi HAN ; Jiyuan HU ; Yunyun ZHANG
Chinese Journal of Experimental Traditional Medical Formulae 2026;32(10):270-279
Parkinson's disease (PD) is a complex neurodegenerative disease involving multiple systems and neurotransmitters. Due to the high clinical heterogeneity of PD,it is urgent to establish a comprehensive and long-term traditional Chinese medicine (TCM) management model. In this paper,the conceptual framework of full-cycle management of PD is preliminarily constructed:based on the evolution of the pathophysiological mechanisms of protein deposition and neurotransmitter disorder in PD,the three-stage syndrome characteristics of the prodromal stage (predominant healthy Qi with subtle pathogenic factors),the early clinical stage (declining healthy Qi with growing pathogenic factors) and the middle and late stages (overwhelming pathogenic factors with deficient healthy Qi) are longitudinally described. Through the syndrome differentiation of visceral manifestations,the etiology and pathogenesis of PD motor and non-motor symptoms were comprehensively analyzed,while the matching treatment methods and prescriptions were inferred,and the modular scheme of the combining main symptoms,accompanying symptoms and secondary symptoms was proposed. The conceptual gap of TCM regarding motor complications ('variable syndrome') and PD-related hyperpyrexia syndrome ('critical syndrome') was explained. This framework reflects the characteristics of combination of disease and syndrome and overall constant motion,and provides new theories and research ideas for individualized and whole-process management of PD in TCM.
6.Mechanism of Yiqi Huoxue Therapy Regulating IL-33/ST2/IL-1RAP to Improve Nasal Mucosal Tissue Remodeling and Intervene in Allergic Rhinitis
Huan WANG ; Hongping LUO ; Meiya WANG ; Yuyin LIU ; Chenlin WANG ; Chao LIAO ; Fangqi LIANG ; Peizheng XIONG ; Li TIAN
Chinese Journal of Experimental Traditional Medical Formulae 2026;32(14):298-307
ObjectiveTo explore the mechanism by which Qidan Yifei Tongqiao granules (QDYF) alleviate nasal mucosal remodeling in allergic rhinitis (AR) via the interleukin-33 (IL-33)/growth stimulation expressed gene 2 (ST2)/interleukin-1 receptor accessory protein (IL-1RAP) signaling pathway from the perspective of Qi-replenishing and blood-activating therapy. MethodsFirst, according to the previous network pharmacology results, this study predicted the potential mechanisms of QDYF in treating AR by screening key pathways, components, and targets. Molecular docking was performed via AutoDock and PyMOL 2.5.5. Subsequently, a rat model of ovalbumin (OVA)-induced AR was used for validation through in vivo experiments. Forty-eight rats were assigned into 6 groups: Control, model, low-dose QDYF (QDYF-L, 4.04 g·kg-1), medium-dose QDYF (QDYF-M, 8.08 g·kg-1), high-dose QDYF (QDYF-H, 16.16 g·kg-1), and loratadine (0.9 mg·kg-1). After 14 days of intervention, behavioral scores of the rats were observed. The morphological changes of nasal mucosa tissue were observed by hematoxylin-eosin (HE) staining. Masson staining was used to observe collagen fiber deposition in the nasal mucosal tissue and to calculate the collagen volume fraction (CVF). The expression of E-cadherin (E-cad) in the nasal mucosa tissue was detected by immunofluorescence. The serum levels of helper T cell 2 (Th2) cytokines interleukin-4 (IL-4), interleukin-5 (IL-5), and interleukin-13 (IL-13) as well as helper T cell 1 (Th1) cytokines interleukin-2 (IL-2) and interferon-γ (INF-γ) were quantified by enzyme-linked immunosorbent assay (ELISA). The protein levels of transforming growth factor-beta 1 (TGF-β1), IL-33, ST2, and IL-1RAP in the nasal mucosa tissue were determined by Western blot. ResultsIL-33, ST2, and IL-1RAP had strong binding ability with the main active ingredients—wogonin, 7-methoxy-2-methylisoflavone, formononetin, naringenin, stigmasterol, and beta-sitosterol of QDYF, with the binding energy < -4.25 kcal⋅mol-1(1 cal≈4.184 J). The results of in vivo experiments showed that compared with the control group, the model group exhibited increased behavioral scores (P<0.05), aggravated pathological damage of nasal mucosa, increased collagen fiber deposition and CVF (P<0.05), elevated serum levels of IL-4, IL-5, and IL-13, up-regulated protein levels of TGF-β1, IL-33, ST2, and IL-1RAP in the nasal mucosa (P<0.05), down-regulated expression of E-cad, and declined serum levels of IL-2, IFN-γ, and IFN-γ/IL-4 ratio (P<0.05). Compared with the model group, the QDYF groups and loratadine group showed reduced behavioral scores (P<0.05), alleviated pathological damage of nasal mucosa, reduced collagen fiber deposition and CVF (P<0.05), and up-regulated E-cad expression (P<0.05). Compared with the model group, the QDYF-H group and the loratadine group showed raised levels of INF-γ and IFN-γ/IL-4 ratio (P<0.05), declined serum levels of IL-4, IL-5, and IL-13, and down-regulated protein levels of TGF-β1, IL-33, ST2, and IL-1RAP in the nasal mucosa (P<0.05). In addition, the QDYF-H group exhibited an elevated serum IL-2 level (P<0.05). The QDYF-M group showed down-regulated protein levels of TGF-β1, IL-33 and IL-1RAP in the nasal mucosa (P<0.05). The QDYF-L group demonstrated a down-regulated protein level of ST2 in the nasal mucosa (P<0.05). ConclusionQDYF may regulate the Th1/Th2 balance through the IL-33/ST2/IL-1RAP signaling pathway, thereby ameliorating nasal mucosal tissue remodeling and alleviating AR.
7.Multimodal Assessment of a Hypoxic Pulmonary Hypertension Mouse Model
Hongzhi DU ; Jin FAN ; Xiaolu WEI ; Lianmei WANG ; Yan LIU ; Weiya CHEN ; Tengfei CHEN ; Yunhang GAO ; Ling SONG ; Guangping ZHANG ; Hongping HOU
Laboratory Animal and Comparative Medicine 2026;46(4):476-486
ObjectiveTo establish a mouse model of hypoxic pulmonary hypertension (HPH) through intermittent hypoxia induction, and to develop a comprehensive and reliable evaluation system for the HPH model, thereby providing experimental evidence for mechanistic studies and translational applications related to this disease. MethodsTwenty-four male specific pathogen-free (SPF) BALB/c mice were randomly divided into a control group and a model group, with 12 mice per group. Mice in the model group were placed in a hypobaric oxygen chamber control system to establish the HPH model, whereas mice in the control group received no intervention. After 28 days of modeling, a comprehensive evaluation of the pathophysiological characteristics of both groups was performed using a general condition scoring scale, echocardiography, hemodynamic measurements, blood gas analysis, hematological tests, organ coefficient determination, histopathological examination, and enzyme-linked immunosorbent assay (ELISA). In addition, correlation analyses were conducted among echocardiographic parameters, the contents of endothelin‑1 (ET‑1) and N‑terminal pro‑B‑type natriuretic peptide (NT‑proBNP) in lung tissue, and other measured indices. ResultsWith prolonged modeling duration time, body weight, water intake, and activity level of mice in the model group were significantly decreased compared with the control group (P<0.05). Echocardiography showed that, compared with the control group, the model group exhibited increased right ventricular dimensions (P<0.01), right ventricular anterior wall thickening (P<0.01), and widened main pulmonary artery diameter (P<0.01), whereas the peak systolic velocity across the pulmonary valve, tricuspid annular plane systolic excursion, and peak systolic velocity of the tricuspid annulus were significantly decreased (P<0.001); tricuspid regurgitation was observed in some model animals. Hemodynamic results revealed that right ventricular systolic pressure was elevated in the model group compared with the control group (P<0.001). Blood gas analysis showed that pH, partial pressure of oxygen, oxygen saturation, actual bicarbonate, and total carbon dioxide were all decreased in the model group compared with the control group (P<0.01). Hematological indices demonstrated that lymphocyte counts (P<0.05) and reticulocyte counts (P<0.001) were decreased in the model group compared with the control group. Compared with the control group, the organ coefficients of heart and lung in the model group were significantly increased (P<0.05 and P<0.001). Pathological examination revealed that the right ventricular hypertrophy index was significantly increased in the model group (P<0.001), with varying degrees of damage to the right ventricle, pulmonary artery, and pulmonary vessels; both the pulmonary artery wall thickness percentage and the pulmonary wall area percentage were significantly elevated (P<0.001). ELISA results showed that the levels of ET‑1 and NT‑proBNP in lung tissues were significantly increased in the model group compared with the control group (P<0.05 and P<0.001, respectively). Correlation analysis indicated that some echocardiographic parameters were highly correlated with multiple indices in the development of HPH (P<0.05). ConclusionEchocardiography can accurately assess a series of hemodynamic changes in HPH, including right ventricular structural, functional impairment, and pulmonary hypertension. Laboratory tests not only help verify whether the model has been successfully established, but also provide deeper insights into the pathogenesis of HPH, evaluate the effects of interventions, and offer scientific evidence for clinical outcomes. Pathological examination can further confirm the alterations in pulmonary vascular remodeling and increased right heart load. This multimodal analysis provides a reliable animal model and evaluation paradigm for both basic and translational research on HPH, and is of great significance for exploring disease mechanisms and developing precision therapeutic strategies.
8.Practice in Validity Period Management of Disinfectants, Feed, and Bedding in Laboratory Animal Facilities under Good Laboratory Practice Management System
Wenjing MA ; Yanping LIU ; Yifan LI ; Huan GUO ; Lihui XIE ; Longji DU ; Jiali MA ; Hongping WANG ; Jiamin LI
Laboratory Animal and Comparative Medicine 2026;46(4):593-603
ObjectiveTo meet the requirements of Good Laboratory Practice (GLP), Sichuan Institute for Drug Control (Sichuan Testing Center of Medical Devices, Sichuan Institute of Musk Deer Breeding) Safety Evaluation Center (hereinafter referred to as the center) conducts a targeted validation study to address the lack of supporting data for the specified validity periods of disinfectants, feed, and bedding during their use in laboratory animal facilities. The study summarizes practical experience in material management and provides a scientific basis for the standardized management of materials in the facility. MethodsUnder the routine operating conditions of the laboratory animal facility at the center, the disinfection efficacy of four commonly used disinfectants was confirmed using the quantitative suspension kill test, with the disinfectants tested on day 0, day 7, and at 1, 2, and 3 months after preparation and after opening; for laboratory animal feed, nutritional components, chemical contaminants, and microbial indicators were tested 7 days after opening; microbial indicators of laboratory animal corncob bedding were tested after storage for 7 days following opening and sterilization. ResultsUnder the GLP management system of our center, the disinfection efficacy log reduction values of prepared 0.04% sodium hypochlorite solution, 0.1% didecyldimethylammonium bromide solution, and 0.2% benzalkonium bromide solution were all ≥5 on days 0 and 7. The log reduction values of opened 75% ethanol were ≥5 on days 0 and 7 and at 1, 2, and 3 months after opening. All disinfectants were therefore qualified and effective. Compared with the factory inspection data, the nutritional components, chemical contaminants, and microbial indicators of SPF-grade rat and mouse maintenance feed, SPF-grade guinea pig growth and reproduction feed, conventional-grade guinea pig growth and reproduction feed, rabbit maintenance feed, and dog maintenance feed showed a slight overall downward trend but no significant differences 7 days after opening. The microbial indicators of specialized corncob bedding for SPF-grade laboratory animals stored for 7 days after opening and conventional-grade corncob bedding stored for 7 days after sterilization showed no significant fluctuations. All indicators still met the relevant requirements of GB/T 14924.2—2001 Laboratory Animals—Hygienic Standard for Formula Feeds and GB 14924.3—2010 Laboratory Animals—Nutrients for Formula Feeds. ConclusionBased on practical experience in managing the center's GLP laboratory animal facility and validation of core quality indicators, the specified validity periods of disinfectants, feed, and bedding meet the quality requirements, providing a practical reference for the standardized management of laboratory animal facilities.
9.Herbal Textual Research and Modern Research Progress of Ostreae Concha
Hongyi ZHANG ; Bin WANG ; Jiawen LIU ; Yuan HU ; Lin CHEN ; Youping LIU ; Hongping CHEN
Chinese Journal of Experimental Traditional Medical Formulae 2025;31(3):223-234
By consulting relevant literature of ancient herbal books and processing specifications, this paper made a systematic research and analysis of Ostreae Concha, including the name, producing area, harvesting, quality, historical evolution of processing, relevant processing specifications, modern processing technology, and changes in chemical composition and pharmacological effects before and after processing, in order to provide documentary evidence for the research on processing technology and the establishment of quality standards. According to the textual research, it is known that Ostreae Concha has a long history of being used in medicine, and there have been many aliases and local names in each historical period. Shennong's Classic of the Materia Medica(Shennong Bencaojing) began to use Muli as the correct name, which has continued to use to today, and there were also aliases such as Muge, Zuogu Muli and Haoke. Ostreae Concha has a wide range of localities and irregular harvesting periods. The ancients believed that its left shell was of superior quality, but this has not been seen in modern. And there were many kinds of processing methods of Ostreae Concha, such as grinding, roasting, calcining, frying, simmering, quenching and so on, and the calcining was still in use. The different editions of Chinese Pharmacopoeia from 1963 to 2020 contain only calcined Ostreae Concha, and the local processing specifications mainly include three kinds of processed products(calcined products, salt-soaked products and vinegar-soaked products). Modern processing research mainly focuses on process optimization, changes in chemical composition and pharmacological effects, and the research methods are relatively single. Overall, there are currently issues such as inconsistent processing standards, unclear process parameters and imperfect quality standards, which are not conducive to the quality control and standardized clinical use of Ostreae Concha. Therefore, it is necessary to further investigate the pharmacological substance basis of Ostreae Concha and its processed products in order to elucidate the processing mechanism, standardize the processing technology and improve the quality standard.
10.Analysis of risk factors for post-prematurity respiratory disease in very preterm infants
You YOU ; Jingwen LYU ; Lin ZHOU ; Liping WANG ; Jufeng ZHANG ; Li WANG ; Yongjun ZHANG ; Hongping XIA
Chinese Journal of Pediatrics 2025;63(1):50-54
Objective:To investigate the risk factors associated with post-prematurity respiratory disease (PPRD) in very preterm infants.Methods:A prospective cohort study was conducted, enrolling 369 very preterm infants who were admitted to the neonatal intensive care unit of Xinhua Hospital, Shanghai Jiao Tong University School of Medicine, within one week of birth from January 2019 to June 2023. Data on maternal and infant clinical characteristics, neonatal morbidities, and treatments during hospitalization were collected. The very preterm infants were divided into 2 groups based on whether they developed PPRD. Continuous variables were compared using Mann-Whitney U test, while categorical variables were compared using χ2 tests or continuity correction χ2 test. Multivariate Logistic regression analysis was used to identify the independent risk factors for PPRD in very preterm infants. Results:Among the 369 very preterm infants, 217 cases(58.8%) were male, with a gestational age of 30 (28, 31) weeks at birth and a birth weight of 1 320 (1 085, 1 590) g. Of these, 116 cases (31.4%) developed PPRD, while 253 cases (68.6%) did not. The very preterm infants in the PPRD group had a lower gestational age and lower birth weight (both, P<0.001). The PPRD group also had a higher proportion of males, lower Apgar scores at the 1 th minute after birth and the 5 th minutes after birth, a higher rate of born via cesarean delivery, and a higher incidence of bronchopulmonary dysplasia, more pulmonary surfactant treatment, longer durations of mechanical ventilation, longer total oxygen therapy, and lower Z-score for weight at discharge (all P<0.05). Multivariate Logistic regression analysis showed that gestational age ( OR=0.85, 95% CI 0.73-0.99, P=0.037), born via cesarean delivery ( OR=2.23, 95% CI 1.21-4.10, P=0.010), a duration of mechanical ventilation ≥7 days ( OR=2.51, 95% CI 1.43-4.39, P=0.001), and a Z-score for weight at discharge ( OR=0.82, 95% CI 0.67-0.99, P=0.040) were all independent risk factors for PPRD in very preterm infants. Conclusion:Very preterm infants with a small gestational age, born via cesarean section, mechanical ventilation ≥7 days, and a low Z-score for weight at discharge should be closely monitored for PPRD, and provided with standardized respiratory management after discharge.

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