Renal cell carcinoma(RCC)is the most common type of malignant kidney tumors,originating from re-nal tubular epithelial cells.The primary treatment options for RCC include surgery and targeted therapy.Despite the notable advancements in RCC research,significant challenges persist,including the high risk of metastasis and recur-rence post-surgery,as well as the low sensitivity to radiotherapy and chemotherapy.Ferroptosis,a form of regulated cell death first identified in 2012,has garnered significant attention due to its involvement in several cellular processes,including redox balance,iron metabolism,and various signaling pathways related to cancer progression.Given its po-tential to be modulated,ferroptosis offers significant promise for the treatment of cancers,ischemic organ damage,and other degenerative diseases associated with lipid peroxidation.This review discusses recent developments in ferroptosis research,with a particular focus on its role in RCC,and explores future research directions in this area.

Objective:To investigate the effects of different doses of whole abdominal ultra‐high dose rate (FLASH) irradiation on the intestinal microbiota of mice.Methods:A total of 25 healthy male C57BL/6J mice were randomly divided into the control ( n=5) and FLASH irradiation groups ( n=20) by simple randomization method, and the FLASH irradiation group was further divided into different radiation dose subgroups of 10, 15, 20, 25 Gy, 5 in each group. The mice were irradiated with a single whole abdomen at a dose rate of 100 Gy/s, then sacrificed 3.5 d after irradiation. Fresh fecal specimens and intestinal tissues of mice were collected for 16S rRNA sequencing, microbiota analysis, hematoxylin eosin (HE) staining and injury severity score analysis. Two-group comparison was performed by independent sample t-test. Multi-group comparison was conducted by one-way ANOVA. Results:HE staining revealed that the whole abdomen FLASH irradiation caused varying degree of intestinal injury in mice, and the intestinal injury reaction was aggravated with the increase of irradiation dose. β‐diversity analyses showed that there were differences in the composition of intestinal microbiota between FLASH irradiation group and control group ( P=0.001), but the differences in the relative abundance of the species between the irradiation groups at different doses were relatively small, and there were their own dominant genera of bacteria. Comparison of different doses of FLASH irradiation groups with control group screened out 16 species of bacteria with shared differences at the genus level, in which Lactobacillus, Ligilactobacillus and unclassified Lactobacillus were more abundant in the control group, while Escherichia, Allobaculum, and Muribaculum were more abundant in the FLASH irradiation groups. Conclusions:The whole‐abdominal FLASH irradiation induces intestinal damage in mice, and the intestinal damage response is worsened with the increase of irradiation dose. Different doses of whole abdominal FLASH irradiation alter the intestinal microbiota composition of mice. Sixteen species of common intestinal differential microbiota at the genus level are screened out in the different doses of FLASH irradiation groups compared with the control group, which may serve as a marker for measuring intestinal injury in mice irradiated with whole‐abdominal FLASH.

As an intermediate phenotype for multiple cardiovascular diseases, left ventricular hypertrophy (LVH) benefits from early diagnosis, which allows for timely intervention to prevent worsening of the condition, mitigate severe complications like heart failure and arrhythmias, and consequently improve patient outcomes. Preliminary advances have been made using deep learning for the early diagnosis and identification of etiology in LVH. This paper reviews the pathophysiology, causes, and diagnostic standards for LVH, discusses the strengths and weaknesses of applying deep learning to diagnostic tools such as echocardiography, cardiac magnetic resonance imaging, and electrocardiogram, examines its use in prognostic evaluation, and concludes by summarizing current achievements and suggesting future research avenues.

The importance of gait assessment in the rehabilitation of cancer patients is gradually being recognized. However, quantitative analysis of balance ability in cancer patients is still limited. A total of 102 cancer patients meeting the inclusion criteria were recruited from Hefei Cancer Hospital, Chinese Academy of Sciences. Their balance ability was evaluated using the Berg Balance Scale (BBS). Gait data were collected by an electronic walkway and an IMU sensor system, including spatial-temporal and kinematic gait features such as step length, cadence, support time, and range of motion. Recursive feature elimination was used for feature selection. Ridge, Elastic Net, SVR, RF, and AdaBoost models were used to predict balance ability scores. Five-fold cross-validation was used to evaluate the performance of these models. Results show that the SVR model achieves the best performance with fifteen features (RMSE=3.22, R ²=0.91), followed by Ridge (RMSE=3.63, R ²=0.89). A method for evaluating balance ability based on gait features is proposed, providing a quantitative tool for personalized rehabilitation interventions in cancer patients.
Humans ; Postural Balance ; Neoplasms/rehabilitation* ; Gait ; Gait Analysis ; Biomechanical Phenomena ; Female

Objective:To investigate the effects of different doses of whole abdominal ultra‐high dose rate (FLASH) irradiation on the intestinal microbiota of mice.Methods:A total of 25 healthy male C57BL/6J mice were randomly divided into the control ( n=5) and FLASH irradiation groups ( n=20) by simple randomization method, and the FLASH irradiation group was further divided into different radiation dose subgroups of 10, 15, 20, 25 Gy, 5 in each group. The mice were irradiated with a single whole abdomen at a dose rate of 100 Gy/s, then sacrificed 3.5 d after irradiation. Fresh fecal specimens and intestinal tissues of mice were collected for 16S rRNA sequencing, microbiota analysis, hematoxylin eosin (HE) staining and injury severity score analysis. Two-group comparison was performed by independent sample t-test. Multi-group comparison was conducted by one-way ANOVA. Results:HE staining revealed that the whole abdomen FLASH irradiation caused varying degree of intestinal injury in mice, and the intestinal injury reaction was aggravated with the increase of irradiation dose. β‐diversity analyses showed that there were differences in the composition of intestinal microbiota between FLASH irradiation group and control group ( P=0.001), but the differences in the relative abundance of the species between the irradiation groups at different doses were relatively small, and there were their own dominant genera of bacteria. Comparison of different doses of FLASH irradiation groups with control group screened out 16 species of bacteria with shared differences at the genus level, in which Lactobacillus, Ligilactobacillus and unclassified Lactobacillus were more abundant in the control group, while Escherichia, Allobaculum, and Muribaculum were more abundant in the FLASH irradiation groups. Conclusions:The whole‐abdominal FLASH irradiation induces intestinal damage in mice, and the intestinal damage response is worsened with the increase of irradiation dose. Different doses of whole abdominal FLASH irradiation alter the intestinal microbiota composition of mice. Sixteen species of common intestinal differential microbiota at the genus level are screened out in the different doses of FLASH irradiation groups compared with the control group, which may serve as a marker for measuring intestinal injury in mice irradiated with whole‐abdominal FLASH.

Renal cell carcinoma(RCC)is the most common type of malignant kidney tumors,originating from re-nal tubular epithelial cells.The primary treatment options for RCC include surgery and targeted therapy.Despite the notable advancements in RCC research,significant challenges persist,including the high risk of metastasis and recur-rence post-surgery,as well as the low sensitivity to radiotherapy and chemotherapy.Ferroptosis,a form of regulated cell death first identified in 2012,has garnered significant attention due to its involvement in several cellular processes,including redox balance,iron metabolism,and various signaling pathways related to cancer progression.Given its po-tential to be modulated,ferroptosis offers significant promise for the treatment of cancers,ischemic organ damage,and other degenerative diseases associated with lipid peroxidation.This review discusses recent developments in ferroptosis research,with a particular focus on its role in RCC,and explores future research directions in this area.

Objective:To assess the efficacy of neoadjuvant treatment with PD-1 (programmed cell death protein 1) inhibitors combined with paclitaxel (albumin-conjugated) and cisplatin (TP regimen) for locally advanced hypopharyngeal squamous cell carcinoma and laryngeal organ function preservation.Methods:Data of 53 patients, including 51 males and 2 females, aged 38-70 years old, who were diagnosed with locally advanced hypopharyngeal squamous carcinoma confirmed by histology and enhanced CT at the Cancer Prevention and Control Center of Sun Yat-sen University during the initial treatment from January 1, 2019 to January 15, 2023, were retrospectively analyzed. All patients received neoadjuvant therapy with PD-1 inhibitors combined with albumin-bound paclitaxel (260 mg/m 2) and cisplatin (60 mg/m 2) for 3 to 4 cycles. The main outcome measures were larynx dysfunction-free survival (LDFS), overall survival (OS), and progression-free survival (PFS). Survival curves were plotted using the Kaplan-Meier method, and Cox multifactorial analysis was further performed if Cox univariate analysis was statistically significant. Results:The overall efficiency was 90.6% (48/53). The 1-year and 2-year LDFS rates were 83.8% (95% CI: 74.0% to 94.8%) and 50.3% (95% CI: 22.1% to 91.6%), the 1-year and 2-year OS rates were 95.2% (95% CI: 88.9% to 100.0%) and 58.2% (95% CI: 25.6% to 81.8%), and the 1-year and 2-year PFS rates were 83.9% (95% CI: 74.2% to 94.9%) and 53.5% (95% CI: 32.1% to 89.1%). Adverse events associated with the neoadjuvant therapy were mainly myelosuppression (45.3%), gastrointestinal reactions (37.7%) and hypothyroidism (20.8%). Conclusion:The neoadjuvant treatment of locally advanced hypopharyngeal squamous cell carcinoma using PD-1 inhibitors combined with paclitaxel and cisplatin can provide with a higher survival rate with a improved laryngeal organ function preservation rate.

With the deepening of the research on uric acid, it has been found that abnormal uric acid metabolism is not only related to kidney and cardiovascular diseases, but also closely related to reproductive system diseases such as polycystic ovary syndrome (PCOS). Uric acid can play an important role in the occurrence and development of PCOS through oxidative stress, chronic inflammation and interference with key enzyme activities. PCOS is primarily characterized by hyperandrogenemia, insulin resistance, and dysregulation of glucose and lipid metabolism. Researches have found that there is an interaction between hyperuricemia and hyperandrogenemia, as well as abnormal glucose and lipid metabolism. Additionally, elevated serum uric acid levels are associated with a higher incidence of pregnancy complications and adverse pregnancy outcomes in women with PCOS. However, there are few reviews on this aspect. Therefore, this review aims to provide a more comprehensive scientific basis for the clinical treatment and management of PCOS by deeply exploring the relationship between uric acid metabolism and the main clinical manifestations of PCOS, as well as the impact of abnormal uric acid metabolism on pregnancy outcomes and complications in PCOS patients.

ObjectiveTo improve the quality standard of Yuanhu Zhitong oral liquid in order to strengthen the quality control of this oral liquid. MethodThin layer chromatography（TLC） was used for the qualitative identification of Corydalis Rhizoma and Angelicae Dahuricae Radix in Yuanhu Zhitong oral liquid by taking tetrahydropalmatine， corydaline reference substances and Corydalis Rhizoma reference medicinal materials as reference， and cyclohexane-trichloromethane-methanol（5∶3∶0.5） as developing solvent， Corydalis Rhizoma was identified using GF254 glass thin layer plate under ultraviolet light（365 nm）. And taking petroleum ether（60-90 ℃） -ether-formic acid（10∶10∶1） as developing solvent， Angelicae Dahuricae Radix was identified using a silica gel G TLC plate under ultraviolet light（305 nm）. High performance liquid chromatography（HPLC） was performed on a Waters XSelect HSS T3 column（4.6 mm×250 mm， 5 μm） with acetonitrile（A）-0.1% glacial acetic acid solution（adjusted pH to 6.1 by triethylamine）（B） as the mobile phase for gradient elution（0-10 min， 20%-30%A； 10-25 min， 30%-40%A； 25-40 min， 40%-50%A； 40-60 min， 50%-60%A）， the detection wavelength was set at 280 nm， then the fingerprint of Yuanhu Zhitong oral liquid was established， and the contents of tetrahydropalmatine and corydaline were determined. ResultIn the thin layer chromatograms， the corresponding spots of Yuanhu Zhitong oral liquid， the reference substances and reference medicinal materials were clear， with good separation and strong specificity. A total of 12 common peaks were identified in 10 batches of Yuanhu Zhitong oral liquid samples， and the peaks of berberine hydrochloride， dehydrocorydaline， glaucine， tetrahydropalmatine and corydaline. The similarities between the 10 batches of samples and the control fingerprint were all >0.90. The results of determination showed that the concentrations of corydaline and tetrahydropalmatine had good linearity with paek area in the range of 0.038 6-0.193 0， 0.034 0-0.170 0 g·L^-1， respectively. The methodological investigation was qualified， and the contents of corydaline and tetrahydropalmatine in 10 batches of Yuanhu Zhitong oral liquid samples were 0.077 5-0.142 9、0.126 1-0.178 2 g·L^-1， respectively. ConclusionThe established TLC， fingerprint and determination are simple， specific and reproducible， which can be used to improve the quality control standard of Yuanhu Zhitong oral liquid.

OBJECTIVE To establish a quantitative fingerprint analysis method for sugar components in Yuanhu Zhitong oral liquid using high performance liquid chromatography-charged aerosol detection(HPLC-CAD). METHODS Chromatographic column was NH2P-50 4E(4.6 mm×250 mm, 5 μm) column. Water(A) and acetonitrile(B) were used as the mobile phase in the gradient elute mode. The column temperature was 30 ℃. The injection volume was 10 μL. The flow rate was 0.6 mL·min−1. The evaporation temperature of CAD was 35 ℃. The acquisition frequency was 10 Hz. The power function value was 1.0. RESULTS The linear relationship of the quantitative component was good within the quantitative range, with R2>0.999. The relative standard deviations(RSDs) of instrument precision, intermediate precision and method repeatability were all <3%. The test solution was stable within 24 h. The average recoveries at low, medium and high concentration levels ranged 97.15%−101.13%. There were 5 common peaks in the fingerprint. The RSDs of instrument precision, method repeatability and sample stability were all <4%. CONCLUSION The established analytical method is stable, accurate and reproducible. It can be used to detect sugar excipients in the preparations.