OBJECTIVE: Photodynamic therapy has become an important method in clinical tumor treatment. This study aimed to investigate the effects of hematoporphyrin on multiple myeloma (MM) and its potential applications. METHODS: The MM cell line RPMI 8226 was treated with hematoporphyrin derivative (HPD), and CCK-8 assay was used to determine cell viability, apoptosis was detected by flow cytometry, intracellular reactive oxygen species (ROS) levels were measured using a detection kit combined with flow cytometry, and Western blot assay was used to detect apoptosis-related proteins and key signaling pathway protein levels. RESULTS: The optimal incubation time for the maximum absorption of HPD in RPMI 8226 cells was 4 hours. HPD significantly inhibited the proliferation of RPMI 8226 cells in a dose- and illumination time-dependent manner ( r =0.981; r =0.961). Additionally, HPD induced apoptosis in RPMI 8226 cells, but had no significant inhibitory effect on peripheral blood mononuclear cells derived from healthy individuals. HPD combined with illumination treatment significantly increased the intracellular ROS level, upregulated the expression of apoptosis-related proteins such as cleaved PARP, cleaved caspase-3 and Bax, and down-regulated the expression of proteins that maintain cell survival, such as NF-κB and Akt. CONCLUSION The HPD can inhibit the proliferation and induce apoptosis of multiple myeloma cells.
Humans ; Multiple Myeloma/pathology* ; Hematoporphyrins/pharmacology* ; Apoptosis/drug effects* ; Cell Line, Tumor ; Reactive Oxygen Species/metabolism* ; Cell Proliferation/drug effects* ; Photochemotherapy ; Cell Survival/drug effects* ; Signal Transduction

OBJECTIVE: To explore the efficacy of predictive nursing on the recovery of patients after endoscopic surgery for prostate under the concept of enhanced recovery after surgery（ERAS）. METHODS A total of 82 patients with benign prostatic hyperplasia who underwent surgery from February 2022 to February 2023 were divided into control group (n=41) with traditional care and the observation group (n=41) with predictive care based on the difference in nursing methods. And the clinical data of the two groups were compared. Results： The observation group showed lower incidence rates than the control group for all individual complications (urinary tract infection ［2.44% vs 4.88%］, hemorrhage ［2.44% vs 7.32%］, bladder spasm ［0% vs 4.88%］, and hypostatic pneumonia ［0% vs 2.44%］), though none reached statistical significance (P>0.05). However, the total complication rate was significantly lower in the observation group (4.88% vs 19.51%, P < 0.05). Notably，the observation group demonstrated significantly lower IPSS scores (5.49±1.53 vs 10.35±1.77, P<0.05) and shorter hospital stays (［5.26±0.38］ d vs ［9.95±0.84］ d, P<0.05). Additionally, nursing satisfaction was markedly higher in the observation group (92.68% vs 78.95%, P<0.05).Conclusion： The application of ERAS -guided anticipatory nursing in postoperative rehabilitation for patients with benign prostatic hyperplasia can significantly improve quality of life, reduce complication rates, shorten hospital stays, and enhance patient satisfaction.
Humans ; Male ; Prostatic Hyperplasia/nursing* ; Endoscopy ; Postoperative Complications/prevention & control* ; Aged ; Enhanced Recovery After Surgery ; Middle Aged ; Prostate/surgery*

Objective To investigate the incidence rate,clinical characteristics,and prognosis of neonatal stroke in Shenzhen,China.Methods Led by Shenzhen Children's Hospital,the Shenzhen Neonatal Data Collaboration Network organized 21 institutions to collect 36 cases of neonatal stroke from January 2020 to December 2022.The incidence,clinical characteristics,treatment,and prognosis of neonatal stroke in Shenzhen were analyzed.Results The incidence rate of neonatal stroke in 21 hospitals from 2020 to 2022 was 1/15 137,1/6 060,and 1/7 704,respectively.Ischemic stroke accounted for 75％(27/36);boys accounted for 64％(23/36).Among the 36 neonates,31(86％)had disease onset within 3 days after birth,and 19(53％)had convulsion as the initial presentation.Cerebral MRI showed that 22 neonates(61％)had left cerebral infarction and 13(36％)had basal ganglia infarction.Magnetic resonance angiography was performed for 12 neonates,among whom 9(75％)had involvement of the middle cerebral artery.Electroencephalography was performed for 29 neonates,with sharp waves in 21 neonates(72％)and seizures in 10 neonates(34％).Symptomatic/supportive treatment varied across different hospitals.Neonatal Behavioral Neurological Assessment was performed for 12 neonates(33％,12/36),with a mean score of(32±4)points.The prognosis of 27 neonates was followed up to around 12 months of age,with 44％(12/27)of the neonates having a good prognosis.Conclusions Ischemic stroke is the main type of neonatal stroke,often with convulsions as the initial presentation,involvement of the middle cerebral artery,sharp waves on electroencephalography,and a relatively low neurodevelopment score.Symptomatic/supportive treatment is the main treatment method,and some neonates tend to have a poor prognosis.

Objective To investigate the risk factors for bronchopulmonary dysplasia(BPD)in twin preterm infants with a gestational age of<34 weeks,and to provide a basis for early identification of BPD in twin preterm infants in clinical practice.Methods A retrospective analysis was performed for the twin preterm infants with a gestational age of<34 weeks who were admitted to 22 hospitals nationwide from January 2018 to December 2020.According to their conditions,they were divided into group A(both twins had BPD),group B(only one twin had BPD),and group C(neither twin had BPD).The risk factors for BPD in twin preterm infants were analyzed.Further analysis was conducted on group B to investigate the postnatal risk factors for BPD within twins.Results A total of 904 pairs of twins with a gestational age of<34 weeks were included in this study.The multivariate logistic regression analysis showed that compared with group C,birth weight discordance of>25%between the twins was an independent risk factor for BPD in one of the twins(OR=3.370,95%CI:1.500-7.568,P<0.05),and high gestational age at birth was a protective factor against BPD(P<0.05).The conditional logistic regression analysis of group B showed that small-for-gestational-age(SGA)birth was an independent risk factor for BPD in individual twins(OR=5.017,95%CI:1.040-24.190,P<0.05).Conclusions The development of BPD in twin preterm infants is associated with gestational age,birth weight discordance between the twins,and SGA birth.

Aim To investigate the role and potential mechanism of methyltransferase-like 5 (METTL5) in triple-negative breast cancer (TNBC) . Methods The expression of METTL5 in TNBC tumor tissues and cell lines was detected by immunohistochemistry and Western blot. After shRNA targeting METTL5 (shRNAMETTL5) was transfected into TNBC cells, cell proliferation, migration and invasion were detected by CCK-8, colony formation, wound healing and Transwell assays, respectively. Western blot was used to detect the expression of Wnt/p-catenin signaling-related key proteins. A xenograft tumor model was constructed to verify the effect of METTL5 knockdown on the growth of TNBC cells and Wnt/p-catenin signaling activity in vivo. Results The expression of METTL5 was up-regulated in TNBC tumor tissues and cell lines (P < 0. 01) . Knockdown of METTL5 significantly inhibited the proliferation, migration and invasion of TNBC cells and reduced the expression of Wnt/p-catenin signaling molecules (3-catenin, cyclin Dl, matrix metalloproteinase (MMP) -2 and MMP-7 (all P < 0. 01) . Knockdown of METTL5 reduced tumor growth and Wnt/pcatenin signaling activity in vivo. Conclusions Knockdown of METTL5 can inhibit the proliferation, migration and invasion of TNBC cells, which may be related to the inhibition of Wnt/p-catenin signaling pathway.

Objective To explore the value of shear wave elastography(SWE)in the early assessment of hepatic and renal fibrosis in patients with metabolic associated fatty liver disease(MAFLD).Methods A total of 52 MAFLD patients admitted to the Second Affiliated Hospital of Wenzhou Medical University from July 2023 to May 2024 were selected as MAFLD group,and 40 non-MAFLD patients treated during the same period were served as control group.General information,laboratory data and ultrasound data were collected and compared between two groups.The differences as well as the correlation of the indicators between two groups were compared.The value of SWE in hepatic fibrosis and renal fibrosis in MAFLD patients was assessed.Results Liver function indicators,uric acid and aspartate aminotransferase-to-platelet ratio index(APRI)in MAFLD group were higher than those in control group(P＜0.01);There were no statistically significant differences between two groups in fibrosis 4 index,estimated glomerular filtration rate,serum creatinine and blood urea nitrogen(P＞0.05).The brightness of the liver,liver-kidney ratio,and liver elasticity value were higher in MAFLD group than those in control group(P＜0.05);There was no significant difference in the elasticity value of the right renal cortex between two groups(P＞0.05).Liver elasticity values was positively correlated with alanine aminotransferase(ALT);The liver-kidney ratio was positively correlated with body mass index(BMI),ALT,aspartate aminotransferase,alkaline phosphatase,y-glutamyl transferase and APRI.No significant correlation was found between the right renal cortex elasticity and BMI,estimated glomerular filtration rate,serum creatinine,blood urea nitrogen,or serum uric acid.Conclusion SWE helps in early identification of liver hardness in the MAFLD patients.But the application of SWE in early renal fibrosis in the MAFLD patients needs further evaluation.

Objective To evaluate the influence of health education on influenza and pneumonia vaccination in hypertensive and diabetic population. Methods Multi-stage random sampling method was used to select subjects, carry out health education and follow-up, and compare the cognition and vaccination status of diseases and vaccines before and after intervention by themselves. Results Among the 2.45% of subjects were vaccinated with influenza vaccine at the last follow-up after intervention, compared with 0.74% before intervention (P < 0.05), 9.81% of subjects were vaccinated with pneumonia vaccine, compared with 0.49% before intervention (P < 0.05). At the last follow-up after intervention, 2.45% of subjects had received influenza vaccine and 9.81% of subjects had received pneumonia vaccine, with high vaccination rates before intervention (P < 0.05). In 3 follow-up visits after intervention, 32.37%, 41.00% and 38.11% of hypertension and diabetes patients were more likely to suffer from pneumonia, which were higher than 30.36% (P < 0.05). 37.22%, 44.92% and 41.39% thought pneumonia would aggravate hypertension and diabetes, respectively, which were higher than 35.80% (P < 0.05). 40.02%, 52.62% and 50.02% thought vaccination was necessary, respectively, higher than 40.07% before intervention (P < 0.05). Conclusion People with hypertension and diabetes have low cognition, vaccination willingness and vaccination rate of influenza and pneumonia vaccine. Targeted health education interventions can improve the level of knowledge, attitude and practice of vaccination and improve the vaccination rate of the population.

Objective To explore the application low of stimulation parameters of transcutaneous electrical acupoint stimulation(TEAS)and transcranial direct current stimulation(tDCS)for post-stroke movement disorders based on data mining.Methods The relevant clinical research literature was retrieved from CNKI,Wanfang Data,VIP,CBM,PubMed and Web of Science from January 2000 to May 2023.A database was set up after quality assessment.Frequency analysis,association rules and complex network analysis were used to explore the application law of core acupoints and electrical stimulation parameters.Results A total of 79 articles were included and 128 groups of data were contained.For TEAS,the core acupoints included Waiguan(TE5),Shousanli(LI10),Zusanli(ST36),Hegu(LI4),Neiguan(PC6),Yanglingquan(GB34),etc.,while the most commonly used acupoint combinations of upper limb and lower limb were Shousanli(LI10)-Waiguan(TE5)and Yanglingquan(GB34)-Zusanli(ST36).Among the electrical stimulation parameters of TEAS,the frequencies used vary widely,and 100 Hz was most commonly used,while 2 Hz TEAS was also mainly used for stimulating acupoints located on upper limbs in the treatment of flaccid paralysis.The application of other electrical stimulation parameters was relatively consistent.The bidirectional symmetrical square-wave with 200-250 μs pulse-width was used in majority of studies.The stimulus intensity was mostly determined by patient tolerance.For tDCS,stimulation electrodes were often positioned on the projection of the primary M1,and the safe stimulus intensity was mostly set as 1 to 2 mA.Conclusion In the treatment of post-stroke movement disorders,appropriate acupoints and electrical stimulation parameters of TEAS should be determined on the muscle strength and muscle tension of stroke patients at different stages after stroke,particularly the selection of electric stimulating frequency.

Objective To investigate changes in the urinary metabolite profiles of children exposed to polycyclic aromatic hydrocarbons(PAHs)during critical brain development and explore their potential link with the intestinal microbiota. Methods Liquid chromatography-tandem mass spectrometry was used to determine ten hydroxyl metabolites of PAHs(OH-PAHs)in 36-month-old children.Subsequently,37 children were categorized into low-and high-exposure groups based on the sum of the ten OH-PAHs.Ultra-high-performance liquid chromatography coupled with quadrupole time-of-flight mass spectrometry was used to identify non-targeted metabolites in the urine samples.Furthermore,fecal flora abundance was assessed by 16S rRNA gene sequencing using Illumina MiSeq. Results The concentrations of 21 metabolites were significantly higher in the high exposure group than in the low exposure group(variable importance for projection>1,P<0.05).Most of these metabolites were positively correlated with the hydroxyl metabolites of naphthalene,fluorine,and phenanthrene(r=0.336-0.531).The identified differential metabolites primarily belonged to pathways associated with inflammation or proinflammatory states,including amino acid,lipid,and nucleotide metabolism.Additionally,these distinct metabolites were significantly associated with specific intestinal flora abundances(r=0.34-0.55),which were mainly involved in neurodevelopment. Conclusion Higher PAH exposure in young children affected metabolic homeostasis,particularly that of certain gut microbiota-derived metabolites.Further investigation is needed to explore the potential influence of PAHs on the gut microbiota and their possible association with neurodevelopmental outcomes.