1.Research progress on GRIN1 gene mutation-related epilepsy: From mechanisms to clinical applications
Yanling TANG ; Xiaorong LIU ; Jia LI
Journal of Apoplexy and Nervous Diseases 2025;42(8):697-703
Epilepsy is a chronic neurological disease characterized by abnormal synchronous discharges of brain neurons. The mutation of GRIN1, a key gene encoding the essential GluN1 subunit of N-methyl-D-aspartate (NMDA) receptors, is closely associated with the pathogenesis and progression of epilepsy. This review summarizes research advances in GRIN1 mutation-related epilepsy, with a focus on its molecular mechanisms, clinical phenotypes, factors influencing phenotypic heterogeneity, and treatment strategies. In terms of molecular mechanisms, GRIN1 mutations affect NMDA receptor function through gain-of-function and loss-of-function mechanisms. Clinical phenotypes show significant heterogeneity, including seizure types, age of onset, and comorbid neurodevelopmental disorders. This heterogeneity may be related to the domain where the mutation is located, the mutation type, and the degree of impact on receptor function. Regarding treatment, gain-of-function mutations can be managed with NMDA receptor antagonists, while loss-of-function mutations may be treated with positive allosteric modulators. The ketogenic diet has also demonstrated potential therapeutic effects. This review aims to provide references for basic research and clinical translation in GRIN1 mutation-related epilepsy, and to promote the development of precision diagnosis and treatment.
2.Effects of Bushen Huoxue Formula (补肾活血方) on TLR/NF-κB Pathway and Intestinal Flora in Ileum Tissue of Parkinson's Disease Model Mice
Xiaorong QI ; Feiran HAO ; Xianglin TANG ; Fagen LI ; Yujia WANG ; Liang WANG ; Yingfan SHEN ; Minghui YANG ; Min LI
Journal of Traditional Chinese Medicine 2024;65(10):1038-1045
ObjectiveTo explore the possible mechanism of Bushen Huoxue Formula (补肾活血方, BHF) in the treatment of Parkinson's disease (PD) from the the perspective of intestinal flora. MethodsSeventy-two male C57/BL6J mice were randomly divided into blank group, model group, Madopar group and low-, medium- and high-dose BHF groups, with 12 mice in each group. The mice in the blank group were intraperitoneally injected with 10 ml/kg of normal saline, and those in the other groups were intraperitoneally injected with 30 mg/kg of 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine (MPTP) at a concentration of 3 mg/ml to induce PD mice model, both once a day for 7 consecutive days. After successful modeling, the low-, medium-, and high-dose BHF groups were given 7.5, 15, and 30 g/(kg·d) of BHF by gavage, respectively, while the Madopar group was given 112.5 mg/(kg ·d) of Domedopar tablets by gavage, and the blank group and the model group were given 15 ml/(kg·d) of distilled water, all once a day for 14 consecutive days. The rod climbing test, rotating rod test, grip strength test and weight-bearing swimming test were used to evaluate the behavioral indicators of mice. Western blotting was used to measure the protein expression levels of Toll-like receptor (TLR)/nuclear factor kappa B (NF-κB) pathway inflammatory factors in the mouse ileum, including Toll-like receptor 2 (TLR2), Toll-like receptor 4 (TLR4), NF-κB, tumor necrosis factor α (TNF-α), interleukin 6 (IL-6), and interleukin 17 (IL- 17). 16S rRNA high-throughput sequencing was used to analyze changes in mouse intestinal flora. ResultsCompared to those in the blank group, the mice in the model group had longer bottoming time when climbing the pole, reduced grip strength, shortened rotary pole duration and swimming duration, and increased protein expression levels of TLR2, TLR4, NF-κB, TNF-α, and IL-6 in the ileal tissue (P<0.01). Compared to the model group, the Madopar group and the low-, medium- and high-dose BHF groups had shortened bottoming time of the climbing pole and increased grip strength; the Madopar group and the high-dose BHF group had prolonged rotary pole duration, and reduced protein expressions of TLR2, TLR4, NF-κB, TNF-α, IL-6, and IL-17 levels; and only the high-dose BHF group had prolonged swimming duration (P<0.05 or P<0.01). Compared to those in the low-dose BHF group, the bottoming time of the climbing pole were shorter in the moderate- and high-dose groups (P<0.05 or P<0.01), and the grip strength increased while the protein expression levels of TLR2, TLR4 and IL-17 decreased in the high-dose group (P<0.05 or P<0.01). The intestinal flora results showed significant differences between the blank group and the model group in the Dominance index, Pielou_e index, Shannon index, and Simpson index (P<0.05 or P<0.01). Compared to those of the model group, the Shannon index, Chao1 index, and Observed_otus index of the Madopar group, as well as the Chao1 index, Observed_otus index, Dominance index, Pielou_e index, Shannon index, and Simpson index of the high-dose BHF group all showed significantly statistical differences (P<0.05 or P<0.01). At the phylum level, the relative abundance categories of bacterial phyla with statistically significant differences in each group included Proteobacteria, Bacteroidetes, and Firmicutes (P<0.05 or P<0.01). At the genus level, the relative abundance categories of bacterial genera with statistically significant diffe-rences among each group included Muribaculaceae, Akkermansia, and Helicobacter pylori (P<0.05 or P<0.01). ConclusionThe possible mechanism of BHF in treating PD may be to reconstruct the disordered intestinal flora structure and improve the inflammatory response.
3.Emergency treatment and nursing for diquat and paraquat poisoning
Mingrong HUANG ; Yahui TANG ; Lina WU ; Xiaorong CHEN ; Bing WU ; Zhongqiu LU ; Yingying HU
Chinese Journal of Integrated Traditional and Western Medicine in Intensive and Critical Care 2024;31(4):478-481
Objective To analyze the emergency treatment protocols and nursing measures for patients with diquat and paraquat poisoning,aiming to provide references for updating future clinical practice.Methods A retrospective study was conducted involving 53 patients with diquat and paraquat poisoning admitted to the department of emergency of the First Affiliated Hospital of Wenzhou Medical University from January 1,2019,to December 31,2023.The patients were divided into survival and death groups based on their prognosis.Clinical data were collected to compare organ dysfunction,the proportion of hemoperfusion(HP),average number of HP sessions,the proportion of blood purification,average duration of blood purification,and the proportion of HP combined with continuous renal replacement therapy(CRRT)between two groups of patients with different prognoses.Results Among the 53 patients,27(50.94%)were male and 26(49.06%)were female;with an age range of 14 to 86 years and a mean age of(38.13±19.68)years.Fifty-two cases were due to intentional ingestion,and 1 was accidental.The detected blood concentrations of diquat ranged from 57.38 to 119762.00 μg/L,while those of paraquat ranged from 60.12 to 71 244.89 μg/L.Forty patients developed multiple organ dysfunction syndrome(MODS),with 38 ultimately progressing to multiple organ failure,primarily affecting the gastrointestinal tract,kidneys,and liver.After aggressive treatment and nursing,the blood concentrations of 13 patients(24.53%)dropped below 50 μg/L,and they were discharged after 4 to 34 days of hospitalization.Thirty-two patients'families opted for withdrawal of treatment and discharge,with subsequent confirmation of death after follow-up,hospital stay:1-4 days.Eight patients died in-hospital,hospital stay:1-3 days,resulting in a total mortality rate of 40 cases(75.47%).Compared to the survival group,the death group had significantly higher rate of neurological,renal,respiratory,and liver injuries[neurological:90.00%(36/40)vs.15.38%(2/13),renal:95.00%(38/40)vs.69.23%(9/13),respiratory:97.50%(39/40)vs.30.77%(4/13),liver injury:85.00%(34/40)vs.46.15%(6/13),all P<0.05].Furthermore,the death group had significantly lower average number of HP sessions and average duration of blood purification compared to the survival group[average number of HP sessions:4.35±2.42 vs.6.62±1.17,average duration of blood purification time(days):1.53±1.09 vs.5.23±3.90,both P<0.05].Conclusions Poisoning with a mixture of diquat and paraquat is life-threatening and associated with a high mortality.In addition to systematic treatment,individualized and dynamic nursing support should be provided,including close monitoring of the manifestations and laboratory indicators of affected organ systems.Therefore,optimization treatment protocols during the peak mortality period may help reduce mortality in patients with diquat and paraquat poisoning.
4.Quercetin ameliorates diabetic kidney injury in rats by inhibiting the HMGB1/RAGE/NF-κB signaling pathway
Yifan JIANG ; Xiaorong LI ; Jiayi GENG ; Yongfeng CHEN ; Bi TANG ; Pinfang KANG
Journal of Southern Medical University 2024;44(9):1769-1775
Objective To explore the effect of quercetin on renal inflammation and cell apoptosis in diabetic rats and its possible mechanisms.Methods Twenty-four adult male SD rats were randomized equally into normal control group,high-glucose and high-fat feeding group,streptozotocin(STZ)-induced diabetic model group,and quercetin treatment(daily dose 100 mg/kg)group.Pathological changes of the renal tissues of the rats were observed with HE staining,serum inflammatory factor levels were determined with ELISA,and renal expression of NF-κB was observed by immunohistochemistry.Fast blood glucose(FBG),serum levels of triglyceride(TG),BUN,and Scr,and 24-h urine protein content of the rats were measured,and renal expressions of HMGB1,RAGE,NF-κB,Bax,Bcl-2,and caspase-3 were detected with Western blotting.Results The diabetic rats showed significantly increased levels of FBG,TG,BUN,and Scr,renal hypertrophy index,24-h urinary protein content,serum IL-1β,IL-6 and TNF-α levels and renal expressions HMGB1,RAGE,NF-κB,Bax,and caspase-3 with decreased renal expression of Bcl-2.All these changes were significantly alleviated by quercetin treatment of the rats.Conclusion Quercetin can ameliorate kidney injury in diabetic rats possibly by inhibiting the HMGB1/RAGE/NF-κB inflammatory signaling pathway to reduce renal inflammation and renal cell apoptosis.
5.Quercetin ameliorates diabetic kidney injury in rats by inhibiting the HMGB1/RAGE/NF-κB signaling pathway
Yifan JIANG ; Xiaorong LI ; Jiayi GENG ; Yongfeng CHEN ; Bi TANG ; Pinfang KANG
Journal of Southern Medical University 2024;44(9):1769-1775
Objective To explore the effect of quercetin on renal inflammation and cell apoptosis in diabetic rats and its possible mechanisms.Methods Twenty-four adult male SD rats were randomized equally into normal control group,high-glucose and high-fat feeding group,streptozotocin(STZ)-induced diabetic model group,and quercetin treatment(daily dose 100 mg/kg)group.Pathological changes of the renal tissues of the rats were observed with HE staining,serum inflammatory factor levels were determined with ELISA,and renal expression of NF-κB was observed by immunohistochemistry.Fast blood glucose(FBG),serum levels of triglyceride(TG),BUN,and Scr,and 24-h urine protein content of the rats were measured,and renal expressions of HMGB1,RAGE,NF-κB,Bax,Bcl-2,and caspase-3 were detected with Western blotting.Results The diabetic rats showed significantly increased levels of FBG,TG,BUN,and Scr,renal hypertrophy index,24-h urinary protein content,serum IL-1β,IL-6 and TNF-α levels and renal expressions HMGB1,RAGE,NF-κB,Bax,and caspase-3 with decreased renal expression of Bcl-2.All these changes were significantly alleviated by quercetin treatment of the rats.Conclusion Quercetin can ameliorate kidney injury in diabetic rats possibly by inhibiting the HMGB1/RAGE/NF-κB inflammatory signaling pathway to reduce renal inflammation and renal cell apoptosis.
6.A consensus on the management of allergy in kindergartens and primary schools
Chinese Journal of School Health 2023;44(2):167-172
Abstract
Allergic diseases can occur in all systems of the body, covering the whole life cycle, from children to adults and to old age, can be lifelong onset and even fatal in severe cases. Children account for the largest proportion of the victims of allergic disease, Children s allergies start from scratch, ranging from mild to severe, from less to more, from single to multiple systems and systemic performance, so the prevention and treatment of allergic diseases in children is of great importance, which can not only prevent high risk allergic conditions from developing into allergic diseases, but also further block the process of allergy. At present, there is no consensus on the management system of allergic children in kindergartens and primary schools. The "Consensus on Allergy Management and Prevention in Kindergartens and Primary Schools", which includes the organizational structure, system construction and management of allergic children, provides evidence informed recommendations for the long term comprehensive management of allergic children in kindergartens and primary schools, and provides a basis for the establishment of the prevention system for allergic children.
7.A qualitative study on the influencing factors of prescription circulation and its platform construction
Yijiao GUO ; Deyang LIU ; Xiaorong TANG ; Ming HU
China Pharmacy 2023;34(11):1307-1312
OBJECTIVE To explore the influential factors for “Internet +” prescription circulation and construction specifications of prescription circulation platform, so as to provide reference for the government to formulate relevant policies and standardized construction of prescription circulation platform. METHODS Stakeholders in the process of prescription circulation service in medical institutions in Sichuan province were selected to conduct key insider interviews, and grounded theory was used to analyze the data. RESULTS The influential factors of prescription circulation could be divided into three aspects: participant factor, administrative decision factor and information technology factor. The influential factors of prescription circulation mainly lay in pharmacy admission and withdrawal mechanism, medical insurance reimbursement service, supporting policies and pharmaceutical care ability. In terms of pharmacy admission and withdrawal mechanism, pharmacy qualification, pharmaceutical service personnel, drug allocation and distribution should be considered to unify pharmacy admission standards; in terms of medical insurance reimbursement service, it should actively connect with social pharmacies to realize the transfer of prescription medical insurance reimbursement from designated pharmacies; in terms of supporting policies, it should pay attention to the construction of the top-level design of prescription circulation; in terms of pharmaceutical care ability, regular training and assessment of licensed pharmacists should be performed in drug consultation, prescription review and other pharmaceutical care. CONCLUSIONS Participants have more influence on prescription circulation, and pharmacy admission and withdrawal mechanism and pharmaceutical care ability need to be improved. There are various types of prescription circulation platform construction, but each has its own advantages and disadvantages. It is suggested that relevant government departments should improve the access threshold of pharmacies, follow up medical insurance reimbursement services and supporting policies, and explore ways to improve pharmaceutical care capacity, leading and issuing relevant policies and measures to promote the prescription circulation service and make the “Internet +” prescription circulation develop in an orderly manner.
8.Gut Microbiota Dysbiosis Correlates With Long COVID-19 at One-Year After Discharge
Dongmei ZHANG ; Yaya ZHOU ; Yanling MA ; Ping CHEN ; Jian TANG ; Bohan YANG ; Hui LI ; Mengyuan LIANG ; YuE XUE ; Yao LIU ; Jianchu ZHANG ; Xiaorong WANG
Journal of Korean Medical Science 2023;38(15):e120-
Background:
Long coronavirus disease 2019 (COVID-19) in recovered patients (RPs) is gradually recognized by more people. However, how long it will last and the underlining mechanism remains unclear.
Methods:
We conducted a prospective follow-up study to evaluate the long-term symptoms and clinical indices of RPs at one-year after discharge from Union Hospital, Wuhan, China between December 2020 to May 2021. We also performed the 16S rRNA sequencing of stool samples from RPs and healthy controls (HCs) and analyzed the correlation between the gut microbiota and long COVID-19.
Results:
In total, 187 RPs were enrolled, among them, 84 (44.9%) RPs reported long COVID-19 symptoms at one-year after discharge. The most common long-term symptoms were cardiopulmonary symptoms, including chest tightness after activity (39/187, 20.9%), palpitations on exercise (27/187, 14.4%), sputum (21/187, 11.2%), cough (15/187, 8.0%) and chest pain (13/187, 7.0%), followed by systemic symptoms including fatigue (34/187, 18.2%) and myalgia (20/187, 10.7%), and digestive symptoms including constipation (14/187, 7.5%), anorexia (13/187, 7.0%), and diarrhea (8/187, 4.3%). Sixty-six (35.9%) RPs presented either anxiety or depression (42/187 [22.8%] and 53/187 [28.8%] respectively), and the proportion of anxiety or depression in the long symptomatic group was significantly higher than that in the asymptomatic group (41/187 [50.6%] vs. 25/187 [24.3%]). Compared with the asymptomatic group, scores of all nine 36-Item Short Form General Health Survey domains were lower in the symptomatic group (all P < 0.05). One hundred thirty RPs and 32 HCs (non-severe acute respiratory syndrome coronavirus 2 infected subjects) performed fecal sample sequencing.Compared with HCs, symptomatic RPs had obvious gut microbiota dysbiosis including significantly reduced bacterial diversities and lower relative abundance of short-chain fatty acids (SCFAs)-producing salutary symbionts such as Eubacterium_hallii_group, Subdoligranulum, Ruminococcus, Dorea, Coprococcus, and Eubacterium_ventriosum_group. Meanwhile, the relative abundance of Eubacterium_hallii_group, Subdoligranulum, and Ruminococcus showed decreasing tendencies between HCs, the asymptomatic group, and the symptomatic group.
Conclusion
This study demonstrated the presence of long COVID-19 which correlates with gut microbiota dysbiosis in RPs at one-year after discharge, indicating gut microbiota may play an important role in long COVID-19.
9.Clinical characteristics of patients with paraquat mixed with diquat poisoning
Xiaorong CHEN ; Xiaoying DU ; Huanle YE ; Hu TANG ; Yahui TANG ; Longwang CHEN ; Jie LIAN ; Bin WU ; Guangju ZHAO ; Zhongqiu LU
Chinese Journal of Emergency Medicine 2023;32(2):203-209
Objective:To explore the clinical characteristics of patients with paraquat mixed with diquat poisoning.Methods:The clinical data of 145 patients with paraquat mixed with diquat poisoning admitted to the Department of Emergency of the First Affiliated Hospital of Wenzhou Medical University from January 20, 2016 to March 31, 2022 were retrospectively analyzed. According to the detection results of plasma toxicants in patients with poisoning, the patients were divided into the paraquat diquat mixed group (mixed group), paraquat group (PQ group) and diquat group (DQ group). The clinical indexes, organ dysfunction, different poisoning doses and prognosis of the three groups were compared. Patients in the mixed group were divided into the survival group and death group according to their 90-day survival, and the differences of each index between the two groups were compared. Kaplan-Meier survival analysis was conducted for each index. After Log-rank test, multivariate Cox regression was used to analyze the risk factors of death in the mixed group.Results:A total of 31 patients were included in the mixed group, 92 patients in the PQ group, and 22 patients in the DQ group. There were significant differences in age, toxic dose, number of organ dysfunction, PSS score and APACHE II score among the three groups ( P<0.05). The main injured organs of the mixed group were gastrointestinal tract, kidney, liver, lung and nervous system. The proportion of organ damage in the mixed group was higher than that in the PQ group and DQ group. The white blood cell count, neutrophil count, HB, creatinine, AST, lactic acid, PT and APTT were statistically significant among the three groups ( P<0.05). In the mixed group, patients taking oral administration of < 20 mL all survived; 8 patients taking oral administration of 20 -50 mL died; 11 patients took oral administration of 51-100 mL and 8 (72.7%) died; and 10 patients took oral administration of more than 100 mL and 9 patients (90%) died. In the mixed group, patients with the concentration of diquat > 5000 ng/mL died. Among 31 patients with mixed poisoning, 30 patients (96.78%) had significantly higher concentrations of diquat than paraquat. There were no significant differences in sex, age, time from poisoning to hospitalization, ingestion amount, lymphocyte count, Hb, BNU, CK, total bilirubin, PH, and PT between the survival group and the death group ( P>0.05). Multivariate Cox regression analysis showed that the ingestion amount, plasma PQ concentration at admission, plasma DQ concentration at admission, and lactic acid were independent risk factors for death ( P<0.05). Conclusions:Paraquat mixed with diquat can cause multiple organ function damage. The main damaged organs are gastrointestinal tract, kidney, liver, lung and nervous system. Compared with PQ or DQ poisoning, mixed poisoning has a higher incidence of organ damage, a more serious condition, and a higher mortality rate. Ingestion amount, plasma PQ concentration at admission, plasma DQ concentration at admission and lactic acid were independent factors influencing the prognosis of mixed poisoning.
10.Clinical characteristics and prognostic risk factors of patients with colchicine poisoning
Jiajia LI ; Yahui TANG ; Danyang WU ; Xiaorong CHEN ; Longwang CHEN ; Bin WU ; Guangju ZHAO ; Zhongqiu LU
Chinese Journal of Emergency Medicine 2023;32(2):210-214
Objective:To explore the clinical characteristics of patients with colchicine poisoning, and analyze the risk factors affecting the prognosis of colchicine poisoning and its value in the prognostic assessment.Methods:Patients with colchicine poisoning admitted to the Emergency Intensive Care Unit of the First Affiliated Hospital of Wenzhou Medical University from December 2017 to October 2022 were retrospectively included and divided into the survival group and death group according to the 14-d outcome. The general conditions of the two groups of patients were compared, and the clinical characteristics of patients with colchicine poisoning were analyzed. The differences of laboratory indexes, electrocardiogram, cardiac ultrasound and other clinical indexes during the first admission of patients between the two groups were compared, and their value in the prognosis evaluation of patients with colchicine poisoning was explored.Results:There were 41 patients with colchicine poisoning, aged 15-85 years, including 35 males and 6 females. There were 27 patients (65.9%) in the survival group and 14 patients (34.1%) in the death group, including accumulative poisoning (58.7%) and suicide poisoning (41.3%). The main clinical manifestations of patients with colchicine poisoning were gastrointestinal symptoms (82.93%), multiple organ dysfunction (78.05%), infectious fever (73.17%), myocardial damage (48.78%), coagulation dysfunction (46.34%), and bone marrow suppression (41.46%). Intestinal obstruction (19.51%) and rhabdomyolysis (2.44%) occurred in some patients. Multivariate Logistic regression analysis showed that the increase in absolute value of QTc interval ( OR=1.028, 95% CI: 1.000~1.056, P<0.05), lactic acid ( OR=1.599, 95% CI: 1.088~2.350, P<0.05), prothrombin time ( OR=1.205, 95% CI: 1.002~1.450, P<0.05), D-dimer ( OR=1.242, 95% CI: 1.089~1.417, P<0.05), and alkaline phosphatase ( OR=1.013, 95% CI: 1.002~1.024, P<0.05) were the risk factors for the prognosis of patients with colchicine poisoning. The decrease in the absolute value of ADL score ( OR=0.947, 95% CI: 0.909~0.988, P<0.05) and indirect bilirubin ( OR=0.756, 95% CI: 0.572~0.999, P<0.05) were the protective factors for the prognosis of patients with colchicine poisoning. D-dimer (AUC=0.913), lactic acid (AUC= 0.875) and alkaline phosphatase (AUC=0.770) had predictive value for the prognosis of patients with colchicine poisoning, and their cut-off values were 8.965 mg/L, 4.05 mmol/L and 230.5 U/L, respectively. Conclusions:The patients with colchicine poisoning have multiple organ dysfunction on admission, and are in a critical condition. The early levels of D-dimer, lactic acid and alkaline phosphatase could effectively predict the prognosis of patients with colchicine poisoning.


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