Objective:To investigate the clinical efficacy and safety of the triplet regimen of flumatinib, venetoclax (VEN) and azacitidine (AZA) for Philadelphia chromosome-positive (Ph +) mixed-phenotype acute leukemia (MPAL). Methods:The clinical data of 2 Ph + MPAL patients treated with triplet regimen of flumatinib, VEN and AZA who were admitted to the Institute of Hematology & Blood Diseases Hospital of Chinese Academy of Medical Sciences & Peking Union Medical College in February and March 2023 were retrospectively analyzed, and the relevant literature was reviewed. Results:Patient 1 was a 56-year-old female, and patient 2 was a 59-year-old male. Both patients were diagnosed with Ph + B cell/myeloid (B/My) MPAL. After the first course of induction chemotherapy with the triplet regimen, patient 1 achieved hematological complete remission (HCR), complete cytogenetic remission (CCyR) and major molecular response (MMR), and patient 2 achieved HCR and CCyR. During the entire treatment process, the adverse reactions of two patients were mainly fever and ≥ grade 3 hematological adverse reactions, which were relieved after the use of antibiotics and intermittent infusion of blood products. When the patient achieved HCR and received consolidation treatment with the same regimen, the adverse reactions were mild. Conclusions:The triplet regimen of flumatinib, VEN and AZA is safe and effective for the treatment of Ph + MPAL, and is a new induction therapy option for such patients.

OBJECTIVE: To assess the value of chromosomal microarray analysis (CMA) for the detection of low-level mosaicisms in amniotic fluid samples, and to retrospectively analyze the rare cases of mosaicisms. METHODS: Chromosomal karyotype of the fetus was determined by G-banding analysis of cultured amniotic fluid cells. CMA was used to detect copy number variation of fetal chromosomes, and fluorescence in situ hybridization (FISH) was used to determine the proportion of fetal chromosomal mosaicisms in uncultured amniotic fluid cells. RESULTS: Among 825 prenatal samples, 4 cases of true fetal mosaicisms were detected, which yielded an incidence of 0.48%. Two cases were sex chromosomal mosaicisms, and two were autosomal mosaicisms, which involved chromosomes 8 and 9, respectively. All cases were verified by G-banding analysis of cultured amniotic fluid cells, CMA, and/or FISH. CONCLUSION CMA has a great value for detecting low-level mosaicisms in amniotic fluid samples, though the positive results need to be verified by other techniques and should be interpreted with caution. The review of rare cases can provide a basis for prenatal genetic counseling.
Humans ; Female ; Amniotic Fluid/metabolism* ; Pregnancy ; Mosaicism/embryology* ; Prenatal Diagnosis/methods* ; Adult ; In Situ Hybridization, Fluorescence ; Microarray Analysis/methods* ; Karyotyping ; Retrospective Studies ; Male

Objective To investigate the correlation between peripheral blood syndecan-1(SDC-1)and ma-londialdehyde-modified low-density lipoprotein(MDA-LDL)with arteriosclerosis(AS)in hemodialysis pa-tients and their clinical predictive value.Methods A total of 125 hemodialysis patients admitted to the hospi-tal from January 2022 to June 2024 as the hemodialysis group,and 65 healthy individuals who underwent physical examination during the same period as the control group.According to whether AS occurred,hemodi-alysis patients were divided into AS group(65 cases)and non-AS group(60 cases).The levels of SDC-1 and MDA-LDL in peripheral blood were detected by enzyme-linked immunosorbent assay.The correlation between the levels of SDC-1 and MDA-LDL in peripheral blood of hemodialysis patients and brachial-ankle pulse wave velocity(baPWV)was analyzed by Spearman correlation analysis.Multivariate unconditional Logistic regres-sion was used to determine the relationship between the levels of SDC-1 and MDA-LDL in peripheral blood and AS in hemodialysis patients.The receiver operating characteristic(ROC)curve was used to analyze the pre-dictive efficacy of peripheral blood SDC-1 and MDA-LDL levels for AS in hemodialysis patients.Results Compared with the control group,the levels of SDC-1 and MDA-LDL in the peripheral blood of the hemodialysis group increased(P＜0.05).The levels of SDC-1 and MDA-LDL in the peripheral blood of hemodialysis patients were positively correlated with left baPWV and right baPWV(P＜0.05).High SDC-1 and high MDA-LDL were both independent risk factors for AS in hemodialysis patients(P＜0.05).The area under the curve for the combined prediction of AS in hemodialysis patients by peripheral blood SDC-1 and MDA-LDL levels was 0.858,which was greater than 0.785 and 0.778 predicted separately by peripheral blood SDC-1 and MDA-LDL levels(P＜0.05).Conclusion The increase of SDC-1 and MDA-LDL levels in peripheral blood of hemodialy-sis patients is closely related to AS,and the combination of SDC-1 and MDA-LDL levels in peripheral blood has a higher energy efficiency in predicting AS.

OBJECTIVE To optimize the honey processing technology of Phellinus igniarius. METHODS The key factors of honey processing technology of P. igniarius （honey-water ratio， the mass ratio of honey-water to P. igniarius， the frying temperature and the frying time） were investigated by orthogonal test combined with analytic hierarchy process to determine the optimal technological parameters， using the internal quality （the contents of ergosterol， protocatechuic aldehyde and protocatechuic acid） and appearance traits as evaluation indexes. RESULTS The optimal process of honey-roasting P. igniarius was to take raw P. igniarius （1 cm3 square block）， add the appropriate amount of auxiliary materials （with 25 kg of refined honey and water for every 100 kg of P. igniarius）， mix well， moisten for 2 h until the auxiliary materials were completely absorbed； put it in a frying container， fry at the frying temperature of 130-140 ℃ for 5 min； take it out， put it in an oven at 50 ℃ for 2 h； take it out， and let it cool. The RSD of the results of three validation experiments was 0.68%. CONCLUSIONS The optimized honey processing technology of P. igniarius is stable and feasible.

OBJECTIVE To optimize the honey processing technology of Phellinus igniarius. METHODS The key factors of honey processing technology of P. igniarius （honey-water ratio， the mass ratio of honey-water to P. igniarius， the frying temperature and the frying time） were investigated by orthogonal test combined with analytic hierarchy process to determine the optimal technological parameters， using the internal quality （the contents of ergosterol， protocatechuic aldehyde and protocatechuic acid） and appearance traits as evaluation indexes. RESULTS The optimal process of honey-roasting P. igniarius was to take raw P. igniarius （1 cm3 square block）， add the appropriate amount of auxiliary materials （with 25 kg of refined honey and water for every 100 kg of P. igniarius）， mix well， moisten for 2 h until the auxiliary materials were completely absorbed； put it in a frying container， fry at the frying temperature of 130-140 ℃ for 5 min； take it out， put it in an oven at 50 ℃ for 2 h； take it out， and let it cool. The RSD of the results of three validation experiments was 0.68%. CONCLUSIONS The optimized honey processing technology of P. igniarius is stable and feasible.

OBJECTIVE To establish a method for the determination of the concentrations of anti-tumor lead compounds purine benzamides PLB-E and PLB-P in rat plasma by HPLC and apply to study pharmacokinetics. METHODS The established HPLC was used to determine the plasma drug concentrations of rats at different time points after intravenous administration of 5, 10, 20 mg·kg–1 (low, medium, high doses) of PLB-E and PLB-P, and the pharmacokinetic parameters of each compound were calculated using DAS 3.3.0 software. RESULTS PLB-E and PLB-P had good linear relationship in the range of 2–120, 3–60 μg·mL–1, respectively(r2>0.999). The RSD of inter-day and intra-day precision were <15%. The extraction recoveries were 87.48%–92.84% and 88.24%–92.60%, respectively. The main pharmacokinetic parameters of PLB-E and PLB-P after a single intravenous injection of 5, 10, 20 mg·kg–1 were as follows, the average Cmax was (20.30±2.39), (40.63±3.40), (63.62±7.55)mg·L–1 and (13.21±1.40), (24.87±1.33), (32.83±0.65)mg·L–1, respectively. AUC(0-∞) were (104.67±48.39), (177.42±84.11), (194.32±91.48)mg·h·L–1 and (106.75±54.21), (179.90±93.59), (253.56±126.17)mg·h·L–1, respectively. Tmax of each dose was 0.08 h. CONCLUSION The HPLC method established in this study meets the requirements for the determination of biological samples through methodological verification, which is applicable to the determination of the concentration of PLB-E and PLB-P in rat plasma and the pharmacokinetic study. The pharmacokinetic process of PLB-E and PLB-P in rats conforms to the two-compartment model, and conforms to the nonlinear kinetic elimination.

A 82-year-old man was admitted to hospital with fever,unresponsiveness,elevated hypersensitive C-reactive protein and neutrophile granulocyte.Ceftriaxone was administrated by intravenous dripping in the emergency room,but the effect was not satisfactory.Following his admission to the ward,cefoperazone sulbactam were given.Elizabethkingia meningoseptica was identified by blood culture and further confirmed by 16S rRNA sequencing.The lumbar puncture showed that cerebrospinal fluid pressure was 80 mmH2O(1 mmH2O=0.0098 kPa)and biochemical results were normal.After 11 days of cefoperazone sulbactam treatment,the patient was discharged with negative blood culture.The hypersensitive C-reactive protein and neutrophile granulocyte had also declined.The patient received levofloxacin tablets for anti-infection treatment for 14 d after discharge.No signs of infection were observed in three months'following up.

Background/Aims: Previous studies have shown that diet and physical activity can influence constipation. However, the combined effect of diet and physical activity on constipation remains unclear. Methods: Constipation was defined based on stool consistency and frequency, while overall diet quality was assessed using Healthy Eating Index (HEI)-2015 scores. Participants were categorized into low (metabolic equivalent [MET]-min/wk < 500) and high physical activitygroups (MET-min/wk ≥ 500). The association between diet and constipation across physical activity groups was analyzed using surveylogistic regression and restricted cubic splines. Results: Higher HEI-2015 scores were associated with reduced constipation risk in the high physical activity group when constipation was defined by stool consistency (odds ratio [OR], 0.98; 95% confidence interval [CI], 0.97-0.99). However, in the low physical activity group, increased HEI-2015 scores did not significantly affect constipation risk (OR, 1.01; 95% CI, 0.97-1.05). Similar results were found when constipation was defined based on stool frequency. In the high physical activity group, increased HEI-2015 scores were significantly associated with a reduced constipation risk (OR, 0.96; 95% CI, 0.94-0.98). Conversely, in the low physical activity group, increased HEI-2015 scores did not affect the risk of constipation (OR, 0.96; 95% CI, 0.90-1.03). Conclusions Our findings suggest that a higher HEI-2015 score is negatively associated with constipation among individuals with high physical activity levels but not among those with low physical activity levels. This association was consistent when different definitions of constipation were used. These results highlight the importance of combining healthy diet with regular physical activity to alleviate constipation.

Objective To analyze the epidemiological characteristics of school varicella and varicella public health emergency event (PHEE) in Yunnan Province, and to provide a scientific basis for the prevention and control of varicella in schools. Methods The descriptive epidemiological method was used to analyze the reported PHEE of varicella in students and varicella in schools in Yunnan Province from 2018 to 2020. Results From 2018 to 2020, a total of 69,391 cases of varicella were reported in students in Yunnan Province, accounting for 71.48% (69 391 / 97 080) of the total cases in the province, and the annual average reported incidence rate was 255.56/100 000 (69 391/27.1522 million). The time distribution of the incidence showed double peaks, which were from May to July (26.48%) and October to January of the following year (53.88%). The incidence rates of different schools from high to low were 301.74/100 000 for primary schools (34 816/11.538 3 million), 250.43/100 000 for kindergarten (11 526/4.6024 million), 202.74/100 000 for middle school (16 779/8.276 1 million), and 119.07/100 000 for others (3 257/2.735 4 million). The age distribution was mainly concentrated in 5-9 years old, accounting for 39.81% (27 625/69 391). Varicella PHEE accounted for 25.64% (180/702）of the province's PHEE in the same period, school varicella PHEE accounted for 100% of varicella PHEE, and the attack rate was 3.38% (6 566/194 260). The sources of reported varicella PHEE were hospitals 45.40% (58/123), epidemic analysis 36.78% (44/123), schools 13.22% (15/123), and others 4.60% (6/123). Conclusion The incidence of varicella in schools in Yunnan Province is high, which is harmful to students. PHEE reported in rural schools are relatively lagging behind. On the basis of doing two doses of varicella vaccination, emergency prevention should be focused on epidemic seasons, lower grade schools and rural schools. The source of infection shall be controlled and managed in time to prevent the outbreak of the epidemic. It is recommended that varicella should be included in the management of Class C infectious diseases.

Objective: To investigate the epidemiological characteristics of overseas imported dengue fever and malaria cases in Yunnan Province from 2015 to 2021, so as to provide insights into the prevention and control of overseas imported arthropod-borne infectious diseases. Methods: The data pertaining to imported dengue fever and malaria cases in Yunnan Province from 2015 to 2021 were collected from the Chinese Disease Prevention and Control Information System, and the temporal distribution, regional distribution, population distribution, sources, diagnosis and treatment of imported dengue fever and malaria cases were descriptively analyzed. Results: Totally 4 332 overseas imported dengue fever cases and 2 011 overseas imported malaria cases were reported in Yunnan Province form 2015 to 2021, which accounted for 30.09% of all reported dengue fever cases and 98.53% of all reported malaria cases. The number of overseas imported dengue fever and malaria cases peaked from August to November (83.13% of all imported dengue fever cases) and from April to July (59.08% of all imported malaria cases), and the cases were predominantly reported in Dehong Prefecture (50.99% and 58.88%), with farmers as the predominant occupation (40.21% and 67.93%). The dengue fever and malaria cases were mainly imported from Southeast Asia (99.04% and 88.21%), and the proportions of definitive diagnosis of dengue fever and malaria were 88.33% and 97.80% at township hospitals, respectively. Conclusions The number of overseas imported dengue fever and malaria cases peaked from August to November and from April to July in Yunnan Province from 2015 to 2021, and the cases were predominantly reported in Dehong Prefecture and imported from Southeast Asia, with farmers as the predominant occupation.