1.Analysis of the efficacy of traditional Chinese medicine for diabetic retinopathy based on evidence body quality assessment
Juan LING ; Zhuolin XIE ; Xiangxia LUO ; Wanying GUO ; Jiajin LI ; Jun ZHOU ; Xufei LUO
China Pharmacy 2025;36(7):863-866
OBJECTIVE To evaluate the quality of evidence in the systematic evaluation/meta-analysis of traditional Chinese medicine (TCM) for diabetes retinopathy (DR) based on the GRADE system. METHODS Chinese and English databases were searched to obtain the relevant studies of systematic evaluation/meta-analysis of traditional Chinese medicine in the treatment of DR. The search time was from the establishment of each database to January 13th, 2024. According to the inclusion and exclusion criteria, literature screening was conducted. After extracting relevant information from the included literature, the GRADE system was used to evaluate the quality level of the evidence body in the included studies, and the evidence of the outcome indicators was integrated and summarized. RESULTS A total of 51 studies were ultimately included, encompassing 135 outcome indexes. Among these, 19 indicators (14.1%) were of high quality, 87 (64.4%) were of medium quality, 26 (19.3%) were of low quality, and 3 (2.2%) were of very low quality. Overall, the evidence quality of the outcome indicators in the included studies was medium to low quality. The integrated results of evidence on the efficacy of outcome indexes showed that compared with conventional Western medicine, calcium dobesilate or placebo, TCM had significant advantages in improving overall efficacy, reducing bleeding spot area, reducing macular foveal thickness, and increasing visual improvement rate. In addition,the combination of TCM and conventional Western medicine or calcium dobesilate was significantly more effective than using conventional Western medicine or calcium dobesilate alone. CONCLUSIONS The overall quality of the evidence in the systematic evaluation/meta-analysis study on the treatment of DR with TCM is medium to low quality. Based on existing research findings, TCM demonstrates good clinical efficacy in the treatment of DR.
2.Mechanism of Gegen Qinliantang in Regulating Microglia Polarization to Improve Diabetic Cognitive Impairment
Hui FENG ; Chunxiang ZHOU ; Tianyi REN ; Weiwei TAO ; Yun LING
Chinese Journal of Experimental Traditional Medical Formulae 2025;31(13):1-10
ObjectiveTo explore the protective effect and underlying mechanism of Gegen Qinliantang on cognitive function in db/db mice with diabetic cognitive impairment (DCI). MethodsThirty-two 8-week-old male db/db mice were randomly assigned to the model group, dapagliflozin group (1.0 mg·kg-1·d-1), low-dose Gegen Qinliantang group (6.24 g·kg-1·d-1), and high-dose Gegen Qinliantang group (24.96 g·kg-1·d-1). Eight db/m mice served as the normal group. All mice were administered the corresponding treatment once daily by gavage for 10 consecutive weeks. Body weight and fasting blood glucose (FBG) were dynamically monitored. The Morris water maze test was used to evaluate cognitive function. Hematoxylin-eosin (HE) staining and Nissl staining were used to observe pathological changes in the hippocampus. Enzyme-linked immunosorbent assay (ELISA) was employed to measure the levels of tumor necrosis factor-α (TNF-α) and interleukin-1β (IL-1β) in hippocampal tissue. Immunofluorescence double staining was used to detect the co-expression of M1 microglial marker CD16/32 and ionized calcium-binding adapter molecule 1 (IBA1) in the hippocampus. Western blot analysis was performed to detect the protein expression of postsynaptic density protein 95 (PSD-95), synapsin (SYN), nuclear factor-κB p65 (NF-κB p65), and phosphorylated NF-κB p65 (p-NF-κB p65) in the hippocampus. ResultsCompared with the normal group, the model group showed significantly increased body weight and FBG levels (P<0.01), significantly prolonged escape latency and reduced platform crossings in the Morris water maze test (P<0.01), disordered arrangement of hippocampal neurons, nuclear pyknosis, increased neuronal necrosis, reduced Nissl bodies, decreased expression of synaptic proteins PSD-95 and SYN (P<0.01), increased CD16/32+ /IBA1+ positive rate, elevated levels of TNF-α and IL-1β, and an increased p-NF-κB p65/NF-κB p65 ratio (P<0.01). Compared with the model group, the dapagliflozin group exhibited significantly reduced FBG levels at weeks 5 and 10 (P<0.05, P<0.01) and increased body weight. The high-dose Gegen Qinliantang group showed significantly reduced FBG at week 10 (P<0.05). Escape latency was significantly reduced on days 3 and 5 of the water maze test in the dapagliflozin group and on day 5 in the high-dose Gegen Qinliantang group (P<0.05). Platform crossings were significantly increased in both the dapagliflozin group and the high-dose Gegen Qinliantang group (P<0.05). Hippocampal pathological damage was alleviated to varying degrees in the dapagliflozin group and the low- and high-dose Gegen Qinliantang groups, with significantly increased expression of PSD-95 and SYN (P<0.01). Further studies revealed that both low- and high-dose Gegen Qinliantang reduced hippocampal IL-1β levels and the CD16/32+/IBA1+ positive rate of microglia, while the high-dose group also significantly reduced hippocampal TNF-α levels and the p-NF-κB p65/NF-κB p65 (P<0.05, P<0.01). ConclusionGegen Qinliantang can improve hyperglycemia, cognitive dysfunction, and synaptic damage in DCI, inhibit M1 polarization of microglia and neuroinflammation, and its mechanism may be related to the inhibition of NF-κB activation.
3.Mechanism of Gegen Qinliantang in Regulating Microglia Polarization to Improve Diabetic Cognitive Impairment
Hui FENG ; Chunxiang ZHOU ; Tianyi REN ; Weiwei TAO ; Yun LING
Chinese Journal of Experimental Traditional Medical Formulae 2025;31(13):1-10
ObjectiveTo explore the protective effect and underlying mechanism of Gegen Qinliantang on cognitive function in db/db mice with diabetic cognitive impairment (DCI). MethodsThirty-two 8-week-old male db/db mice were randomly assigned to the model group, dapagliflozin group (1.0 mg·kg-1·d-1), low-dose Gegen Qinliantang group (6.24 g·kg-1·d-1), and high-dose Gegen Qinliantang group (24.96 g·kg-1·d-1). Eight db/m mice served as the normal group. All mice were administered the corresponding treatment once daily by gavage for 10 consecutive weeks. Body weight and fasting blood glucose (FBG) were dynamically monitored. The Morris water maze test was used to evaluate cognitive function. Hematoxylin-eosin (HE) staining and Nissl staining were used to observe pathological changes in the hippocampus. Enzyme-linked immunosorbent assay (ELISA) was employed to measure the levels of tumor necrosis factor-α (TNF-α) and interleukin-1β (IL-1β) in hippocampal tissue. Immunofluorescence double staining was used to detect the co-expression of M1 microglial marker CD16/32 and ionized calcium-binding adapter molecule 1 (IBA1) in the hippocampus. Western blot analysis was performed to detect the protein expression of postsynaptic density protein 95 (PSD-95), synapsin (SYN), nuclear factor-κB p65 (NF-κB p65), and phosphorylated NF-κB p65 (p-NF-κB p65) in the hippocampus. ResultsCompared with the normal group, the model group showed significantly increased body weight and FBG levels (P<0.01), significantly prolonged escape latency and reduced platform crossings in the Morris water maze test (P<0.01), disordered arrangement of hippocampal neurons, nuclear pyknosis, increased neuronal necrosis, reduced Nissl bodies, decreased expression of synaptic proteins PSD-95 and SYN (P<0.01), increased CD16/32+ /IBA1+ positive rate, elevated levels of TNF-α and IL-1β, and an increased p-NF-κB p65/NF-κB p65 ratio (P<0.01). Compared with the model group, the dapagliflozin group exhibited significantly reduced FBG levels at weeks 5 and 10 (P<0.05, P<0.01) and increased body weight. The high-dose Gegen Qinliantang group showed significantly reduced FBG at week 10 (P<0.05). Escape latency was significantly reduced on days 3 and 5 of the water maze test in the dapagliflozin group and on day 5 in the high-dose Gegen Qinliantang group (P<0.05). Platform crossings were significantly increased in both the dapagliflozin group and the high-dose Gegen Qinliantang group (P<0.05). Hippocampal pathological damage was alleviated to varying degrees in the dapagliflozin group and the low- and high-dose Gegen Qinliantang groups, with significantly increased expression of PSD-95 and SYN (P<0.01). Further studies revealed that both low- and high-dose Gegen Qinliantang reduced hippocampal IL-1β levels and the CD16/32+/IBA1+ positive rate of microglia, while the high-dose group also significantly reduced hippocampal TNF-α levels and the p-NF-κB p65/NF-κB p65 (P<0.05, P<0.01). ConclusionGegen Qinliantang can improve hyperglycemia, cognitive dysfunction, and synaptic damage in DCI, inhibit M1 polarization of microglia and neuroinflammation, and its mechanism may be related to the inhibition of NF-κB activation.
4.Analgesic effect and mechanism of punicalagin on neuropathic pain in rats
Li WANG ; Ling ZHOU ; Chenglong WU
China Pharmacy 2025;36(10):1191-1196
OBJECTIVE To investigate the analgesic effect and potential mechanism of punicalagin on neuropathic pain (NP) rats based on the hypoxia-inducible factor-1α (HIF-1α)/nucleotide-binding domain leucine-rich repeat and pyrin domain-containing receptor 3 (NLRP3) signaling pathway. METHODS Male SD rats were randomly divided into sham operation group (18 rats) and modeling group (72 rats). NP rat model was established by chronic constriction injury (CCI) of sciatic nerve. The successfully modeled rats were divided into NP group, 2-methoxyestradiol group (HIF-1α antagonist 10 mg/kg), punicalagin group (300 mg/kg), and punicalagin+dimethyloxaloglycine group (punicalagin 300 mg/kg+HIF-1α agonist 175 mg/kg), with 18 rats in each group. Rats in each group were injected intraperitoneally and/or intragastrically with the corresponding solution or 1% dimethyl sulfoxide/normal saline, once a day, for 14 consecutive days. After the last administration, the mechanical withdrawal threshold (MWT), thermal withdrawal latency (TWL), the levels of tumor necrosis factor-α (TNF-α), interleukin-1β (IL-1β) and IL-6 in spinal cord tissue were detected; the morphological changes in the spinal dorsal horn were observed. Apoptosis rate of spinal dorsal horn neurons, the co-localization of NLRP3/ionized calcium binding adapter molecule 1 (Iba-1) (calculated by the number of NLRP3+/Iba-1+ cells) and the protein expressions of HIF-1α, NLRP3, apoptosis-associated speck-like protein containing a CARD (ASC) and caspase-1 in spinal cord tissue were detected. RESULTS Compared with the sham operation group, neurofibril in spinal dorsal horn of rats in NP group was thickened and wound into knots, and vacuolar degeneration containing silver granules was observed; the MWT and TWL were reduced or shortened; the levels of TNF-α, IL-1β and IL-6 in spinal cord tissue, the apoptosis rate of spinal dorsal horn neurons, the number of NLRP3+/Iba-1+ cells, and protein expressions of HIF-1α, NLRP3, ASC and caspase-1 were significantly increased or up-regulated (P<0.05). Compared with the NP group, the above indexes were significantly improved in the 2-methoxyestradiol group and punicalagin group (P<0.05), while dimethyloxaloglycine could significantly reverse the improvement effect of punicalagin on the above indexes (P<0.05). CONCLUSIONS Punicalagin can relieve pain in NP rats, and its analgesic effect may be achieved by inhibiting HIF-1α/NLRP3 signaling pathway and blocking the activation of ma0o4e@163.com NLRP3 inflammasome in spinal dorsal horn microglia.
5.Syndrome Element Distribution and Complication Risks in Type 2 Diabetic Patients:A Retrospective Cross-Sectional Study
Yu WEI ; Lili ZHANG ; Ling ZHOU ; Linhua ZHAO ; Qing NI ; Xiaolin TONG
Journal of Traditional Chinese Medicine 2025;66(13):1363-1368
ObjectiveTo investigate the distribution of traditional Chinese medicine (TCM) syndrome elements in type 2 diabetes mellitus (T2DM) patients based on maximum body mass index (maxBMI) and explore their association with complication risks. MethodsA retrospective cross-sectional study was used to collect clinical data from hospitalized T2DM patients, extracting age, gender, smoking history, alcohol consumption history, duration of disease, HbA1c level, complications, and TCM syndromes, and extracting the syndrome elements of disease location and disease nature based on their TCM syndromes. MaxBMI was calculated by telephone survey of patients' self-reported maximum body weight; patients with maxBMI ≥24 kg/m2 were classified into spleen-heat syndrome group, and those with maxBMI <24 kg/m2 were classified into consumptive-heat syndrome group. The distribution of TCM syndrome types and syndrome elements of patients in the two groups were analysed. Then the propensity score matching method was used to balance the baseline characteristics between the two groups and compare the differences in the distribution of syndrome types and syndrome elements and the risk of macrovascular and microvascular complications between the two groups. ResultsAmong the 1178 T2DM patients, syndrome elements in spleen-heat patients (1034 cases) were primarily located in the spleen (351 cases, 33.95%), liver (240 cases, 23.21%), and stomach (139 cases, 13.44%), while in consumptive-heat patients (144 cases), they were concentrated in the spleen (57 cases, 39.58%), liver (34 cases, 23.61%), and kidneys (17 cases, 11.81%); regarding syndrome elements of disease nature, spleen-heat patients were predominantly characterized by qi deficiency (481 cases, 46.52%), phlegm (353 cases, 22.73%), and dampness (241 cases, 23.31%), whereas consumptive-heat patients showed more qi deficiency (84 cases, 58.33%) and yin deficiency (44 cases, 30.56%). After propensity score matching, 132 cases were included in each group, and no statistically significant differences were observed in the distribution of syndrome elements of disease location between the two groups (P>0.05), but the phlegm element was significantly more prevalent in spleen-heat patients than in consumptive-heat patients (P = 0.006). Regarding the risk of complications, spleen-heat patients had a significantly higher risk of developing macrovascular complications compared to consumptive-heat patients (OR=2.04, P=0.010), while no significant differences were found between groups in the occurrence of microvascular complications (P>0.05). ConclusionThe spleen-heat T2DM patients show a more frequent syndrome element of disease nature of phlegm, and a higher risk of developing macrovascular complications compared to consumptive-heat patients.
6.Establishment of Psoriasis Rat Model with Spleen Deficiency and Dampness Obstruction Syndrome Induced by External Dampness Factors
Yating ZHANG ; Haojie SU ; Fanlu LIU ; Panyu ZHOU ; Qing WANG ; Junhong ZHANG ; Jingjing WU ; Ling HAN
Journal of Traditional Chinese Medicine 2025;66(13):1369-1377
ObjectiveTo construct a rat model of psoriasis with spleen deficiency and dampness obstruction syndrome (external dampness type), and evaluate the macroscopic manifestations and microscopic indicators of the model. MethodsTwenty-two SD rats were divided into normal group (n=3), common psoriasis group (n=5), spleen deficiency and dampness obstruction syndrome (external dampness type) group (n=7), and psoriasis with spleen deficiency and dampness obstruction syndrome (external dampness type) group (n=7). The spleen deficiency and dampness obstruction syndrome (external dampness type) rat model was established through 32-week exposure to an artificially simulated high-humidity environment, while the common psoriasis model was developed via 7-day topical application of imiquimod cream, and these two approaches were combined to construct a composite model of psoriasis with spleen deficiency and dampness obstruction syndrome (external dampness type). Rats in the normal group were housed under normal humidity conditions. The general state, tongue manifestation of rats were observed to evaluate the macroscopic syndrome manifestations; the microscopic syndrome manifestations of rats were evaluated through adipose tissue and liver tissue changes; the severity of psoriasis in rats was evaluated through skin pathological changes, psoriasis area and severity index (PASI), proliferating cell nuclear antigen (PCNA) expression and spleen tissue changes; changes in rat CD4+ interferon-γ+ cells (CD4+IFN-γ+ cells), CD4+ tumour necrosis factor-α+ cells (CD4+ TNF-α+ cells), and forkhead framing protein P3+ regulatory T cells (CD3+CD4+FoxP3+ Treg cells) were detected by flow cytometry. ResultsMacroscopically, both the spleen deficiency and dampness obstruction syndrome (external dampness type) group and psoriasis with spleen deficiency and dampness obstruction syndrome (external dampness type) group exhibited manifestations of spleen deficiency and dampness obstruction, including lethargy, huddling behavior, dull and disheveled fur, as well as soft or loose stools and perianal soiling in some individuals; both these two groups displayed enlarged tongue, swollen, and moist tongue texture, accompanied by slippery tongue surface. Microscopically, compared to the common psoriasis group, the psoriasis with spleen deficiency and dampness obstruction syndrome (external dampness type) group showed increased epididymal fat index (P<0.05); compared to the normal group and spleen deficiency and dampness obstruction syndrome (external dampness type) group, the psoriasis with spleen deficiency and dampness obstruction syndrome (external dampness type) group demonstrated significantly elevated spleen mass (P<0.05), while hepatic gross morphology and HE staining revealed no significant histopathological changes across all groups. Dorsal skin lesions were markedly exacerbated in the psoriasis with spleen deficiency and dampness obstruction syndrome (external dampness type) group when compared to those in common psoriasis group. Both the common psoriasis group and psoriasis with spleen deficiency and dampness obstruction syndrome (external dampness type) group exhibited significantly higher erythema scores, scaling scores, infiltration scores, PASI total scores, and proportions of CD3+CD4+FoxP3+Treg cells compared to the normal group and spleen deficiency and dampness obstruction syndrome (external dampness type) group (P<0.05), with pronounced PCNA-positive expression observed in the epidermal basal layer and dermis; the psoriasis with spleen deficiency and dampness obstruction syndrome (external dampness type) group displayed significantly increased proportions of CD4+TNF-α+cells compared to the spleen deficiency and dampness obstruction syndrome (external dampness type) group (P<0.05); whereas no significant differences were detected in CD4+IFN-γ+cell proportions among groups (P>0.05). ConclusionThe rat model of psoriasis with spleen deficiency and dampness obstruction syndrome (external dampness type) can be successfully constructed by artificially simulating a high-humidity environment combined with imiquimod induction.
7.Effects of di(2-ethylhexyl) phthalate on glucose homeostasis in rats due to impaired autophagy flux of islet β cells mediated by oxidative stress
Hongyang ZHOU ; Yuting HU ; Xue CHEN ; Yunqiang ZHOU ; Liping LI ; Ling LI ; Herong LIU
Journal of Environmental and Occupational Medicine 2025;42(6):674-683
Background Di(2-ethylhexyl) phthalate (DEHP) is the most prevalent environmental endocrine disruptor among phthalate acid esters (PAEs) worldwide. Previous studies have indicated that exposure to DEHP may disrupt glucose metabolism. Objective To investigate the impact of DEHP on glucose homeostasis in rats, focusing on oxidative stress-induced impairment of autophagy in islet β cells. Methods Forty male SD rats were randomly assigned to four groups, receiving DEHP doses of 0, 187, 375, and 750 mg·kg−1 for 12 weeks. Oral glucose tolerance (OGTT) and insulin tolerance tests (ITT) were conducted 24 h after the final exposure. Pancreatic microstructural alterations were assessed using hematoxylin and eosin (HE) staining and transmission electron microscopy (TEM). Commercial ELISA kits were employed to quantify the levels of insulin, adenosine triphosphate (ATP), and adenosine monophosphate (AMP) in rat serum, as well as the protein expression level of activated caspase-3 in pancreatic tissue. Additionally, commercial microplate kits were utilized to measure the concentration of reduced glutathione (GSH) in serum, the activity of superoxide dismutase (SOD) using water-soluble tetrazolium salt-1, the content of malondialdehyde (MDA) by thiobarbituric acid method, and the level of reactive oxygen species (ROS) in pancreatic tissue by chemical fluorescence method. Reverse transcription polymerase chain reaction (RT-PCR) was used to measure sequestosome1 (SQSTM1/p62), Beclin1, microtubule-associated protein 1 light chain 3 (LC3), and cysteinyl aspartate specific proteinase-8 (Caspase-8) mRNA levels. Western blot analysis was applied to detect the protein relative expression levels of p62, Beclin-1, LC3-I, LC3 II, AMPK, p-AMPK, mTOR, p-mTOR, ULK1, and Caspase-8. Results Compared to the 0 mg·kg−1 DEHP group, the 750 mg·kg−1 DEHP group exhibited a significant increase in fasting blood glucose levels at 2, 4, 6, and 12 weeks (P<0.05). The OGTT showed that, following high-glucose gavage, the 187 mg·kg−1 DEHP group had elevated blood glucose at 30 min (P<0.05), the 375 mg·kg−1 DEHP group showed increased glucose levels at 15, 30, and 180 min (P<0.05), and the 750 mg·kg−1 DEHP group exhibited elevated levels at 15, 30, 60, and 180 min (P<0.05). The 375 and 750 mg·kg−1 DEHP groups demonstrated significantly increased OGTT area under the curve (AUC) values (P<0.05). In contrast, ITT results indicated no significant differences in blood glucose levels or AUC among the DEHP exposure groups at all time points (P>0.05). Compared to the 0 mg·kg−1 DEHP group, the 750 mg·kg−1 DEHP group exhibited significantly higher HOMA-IR levels and markedly lower HOMA-ISI values (P<0.05). HE and TEM showed that in each DEHP exposure group, the number of islet cells decreased, the islet area reduced, and chromatin condensation occurred. The endocrine granules in the cytoplasm of islet β cells decreased, and there were varying degrees of widening of the nuclear membrane gap, flattening and expansion of the Golgi complex, and expansion of the endoplasmic reticulum. Ribosome separation was observed, and autophagosomes were visible. In the 375 and 750 mg·kg−1 DEHP groups, the mitochondria were deformed to varying degrees, and some cristae structures disappeared, presenting vacuolization. Moreover, the chromatin condensation in the nuclei was more severe in the 750 mg·kg−1 DEHP group. The serum SOD activity was significantly elevated in the 750 mg·kg−1 DEHP group (P<0.05). Both the 375 mg·kg−1 and 750 mg·kg−1 DEHP groups exhibited a significant increase in the relative ROS content in pancreatic tissue (P<0.05). In DEHP-treated groups, the MDA content increased (P<0.05), while the GSH content decreased (P<0.05). Additionally, in the 750 mg·kg−1 DEHP group, the AMP/ATP ratio in serum was significantly raised (P<0.05), and the expression of cleaved Caspase-3 protein in pancreatic tissue was also significantly increased (P<0.05). The relative mRNA levels of p62, Beclin-1, LC3, and Caspase-8 in the pancreatic tissue of rats exposed to DEHP were significantly elevated (P<0.05). The relative expression levels of p-AMPK/AMPK, p-ULK1/ULK1, and Beclin-1 proteins in the DEHP-treated groups were significantly increased (P<0.05). In the 375 mg·kg−1 and 750 mg·kg−1 DEHP treatment groups, the relative expression levels of p62, LC3 II/LC1, and Caspase-8 proteins were significantly increased (P<0.05), while the relative expression level of p-mTOR/mTOR was significantly decreased (P<0.05). Conclusion DEHP can disrupt glucose homeostasis by inducing oxidative stress, which subsequently activates autophagy via the ROS/AMPK/ULK1 pathway, impairing autophagic flux and promoting apoptosis of islet β cells, ultimately decreasing their function and number.
8.Changes in the levels of miR-34a and miR-29b in lens epithelial cells of patients with age-related cataract and their clinical significance
Ling ZHENG ; Haibo JIANG ; Mengru LI ; Bo ZHOU
International Eye Science 2025;25(10):1704-1707
AIM: To investigate the changes of microRNA-34a(miR-34a)and microRNA-29b(miR-29b)levels in lens epithelial cells of age-related cataracts(ARC)patients and their clinical significance.METHODS: A total of 65 ARC patients(study group)and 53 cases of clear lens anterior capsulorhexis(control group)who visited our hospital from February 2023 to February 2024 were gathered. Pearson was applied to test the correlation between miR-34a and miR-29b. Multifactor Logistic regression was applied to determine the factors affecting the occurrence of ARC.RESULTS: Compared with the control group, the expression levels of miR-34a and miR-29b in lens epithelial cells of the research group showed a significant decrease trend(all P<0.05). There was a positive correlation between miR-34a and miR-29b in the lens epithelial cells of ARC patients(r=0.472, P<0.05). MiR-34a and miR-29b were influence factors for ARC(all P<0.05).CONCLUSION: The levels of miR-34a and miR-29b in lens epithelial cells of ARC patients are significantly reduced, which is associated with the occurrence of ARC.
9.Antibody threshold and demographic characteristics of low-titer group O whole blood donors in Jiangsu
Tao FENG ; Rui ZHU ; Wenjia HU ; Ling MA ; Hong LIN ; Xi YU ; Chun ZHOU ; Nizhen JIANG
Chinese Journal of Blood Transfusion 2025;38(9):1225-1229
Objective: To investigate the distribution of IgM anti-A/B titers among group O whole blood donors in Jiangsu, establish a low-titer threshold, and analyze the demographic characteristics of low-titer donors, so as to provide data for recruiting low-titer group O whole blood (LTOWB) donors. Methods: Plasma samples from 1 009 group O whole blood donors were tested for IgM anti-A and anti-B titers using the microplate technique. The distribution of antibody titers was analyzed to establish a low-titer threshold. The distribution trends of titers across different demographic groups were also analyzed. Results: The peak titer for anti-A, anti-B were 64 (31.5%), 4 (23.8%), respectively, The proportion of donors with both anti-A and anti-B titers below 64 was 97.3% (982/1 009). The mean anti-A titer was higher than anti-B titer. Anti-A titers were higher in female donors than in male donors (P<0.05). The anti-A titers differed significantly among different age groups (P<0.05). However, no significant difference in titers was observed based on the number of donations (P>0.05). Conclusion: A titer of 64 can be used as the reference threshold of LTOWB in Jiangsu. Male donors of appropriate age are more suitable than female donors for establishing an emergency panel of LTOWB mobile donors.
10.Herbal Textual Research on Tribuli Fructus and Astragali Complanati Semen in Famous Classical Formulas
Jiaqin MOU ; Wenjing LI ; Yanzhu MA ; Yue ZHOU ; Wenfeng YAN ; Shijun YANG ; Ling JIN ; Jing SHAO ; Zhijia CUI ; Zhilai ZHAN
Chinese Journal of Experimental Traditional Medical Formulae 2025;31(22):241-251
By systematically combing ancient and modern literature, this paper examined Tribuli Fructus and Astragali Complanati Semen(ACS) used in the famous classical formulas from the aspects of name, origin, production area, harvesting and processing, clinical efficacy, so as to provide a basis for the development of famous classical formulas containing such medicinal materials. The results showed that the names of Tribuli Fructus in the past dynasties were mostly derived from its morphology, and there were nicknames such as Baijili, Cijili and Dujili. The name of ACS in the past dynasties were mostly originated from its production areas, and there were nicknames such as Baijili, Shayuan Jili and Tongjili. Because both of them had the name of Baijili, confusion began to appear in the Song dynasty. In ancient and modern times, the main origin of Tribuli Fructus were Tribulus terrestris, and ancient literature recorded the genuine producing areas of Tribuli Fructus was Dali in Shaanxi and Tianshui in Gansu, but today it is mainly cultivated in Anhui and Shandong. The fruit is the medicinal part, harvested in autumn throughout history. There is no description of the quality of Tribuli Fructus in ancient times, and the plump, firm texture, grayish-white color is the best in modern times. Traditional processing methods for Tribuli Fructus included stir-frying and wine processing, while modern commonly used is purified, fried and salt-processed. The ancient records of Tribuli Fructus were spicy, bitter, and warm in nature, with modern research adding that it is slightly toxic. The main effects of ancient and modern times include treating wind disorders, improving vision, promoting muscle growth, and treating vitiligo. The mainstream base of ACS used throughout history is Astragalus complanatus. Ancient texts indicated ACS primarily originated from Shaanxi province. Today, the finest varieties come from Tongguan and Dali in Shaanxi. The medicinal part is the seed, traditionally harvested in autumn. Modern harvesting occurs in late autumn or early winter, followed by sun-drying. Ancient texts valued seeds with a fragrant aroma as superior, while modern standards prioritize plump, uniform and free of impurities. Traditional processing methods for ACS included frying until blackened and wine-frying, while modern practice commonly employs purification methods. In terms of medicinal properties, the ancient and modern records are sweet and warm in nature. Due to originally classified under Tribuli Fructus, its effects were thus regarded as equivalent to those of Tribuli Fructus, serving as the medicine for treating wind disorders, additional functions included tonifying the kidneys and treating vitiligo. The present record of its efficacy is to tonify the kidney and promote Yang, solidify sperm and reduce urine, nourish the liver and brighten the eye, etc. Based on the textual research results, it is suggested that when developing the famous classical formulas of Tribuli Fructus medicinal materials, we should pay attention to the specific reference object of Baijili, T. terrestris and A. complanatus should be identified and selected, and the processing method should be in accordance with the requirements of the formulas.

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