1.Current strategies and future directions in the treatment of age-related macular degeneration
Jian XU ; Jie WANG ; Haixin FU ; Chaopeng LI
International Eye Science 2026;26(1):56-62
Age-related macular degeneration(ARMD)is a progressive visual impairment fundus disease that frequently occurs in individuals aged >55 years. The main risk factors are aging, long-term smoking, genetics, and racial differences. Pathogenesis includes abnormal function of the retinal pigment epithelium, damaged blood-retinal barrier, and abnormal immune function. Currently, intravitreal injection(IVI)of anti-vascular endothelial growth factor(VEGF)drugs is the preferred treatment option for ARMD in clinical practice. However, it also faces challenges such as repeated treatments, high medical costs, and poor patient compliance. The predicament in the treatment of ARMD has given rise to several new treatment options. This article aims to review the treatment methods and progress of dry ARMD and wet ARMD, providing new ideas for addressing the limitations of the current clinical anti-VEGF treatment.
2.Comparison of Wild and Cultivated Alpiniae Oxyphyllae Fructus Based on Traditional Quality Evaluation
Fengfan WANG ; Yajie XIANG ; Jian FENG ; Wencheng HOU ; Wenlan LI ; Yangyang LIU
Chinese Journal of Experimental Traditional Medical Formulae 2026;32(5):235-244
ObjectiveTo compare the differences between wild Alpiniae Oxyphyllae Fructus(WAOF) and cultivated Alpiniae Oxyphyllae Fructus(CAOF) through a traditional quality evaluation system for medicinal materials. MethodsA total of 10 batches of WAOF and 12 batches of CAOF samples were collected from various regions of Hainan province. Relevant analytical methods from the 2020 edition of the Pharmacopoeia of the People's Republic of China were employed to observe the characteristics of WAOF and CAOF, followed by microscopic identification, thin-layer chromatography(TLC) identification, moisture content(toluene method), total ash, acid-insoluble ash, water-soluble and alcohol-soluble extracts(hot dipping method), water-soluble protein, total polysaccharides and total flavonoids(ultraviolet spectrophotometry), and volatile oil content(method A under general rule 2204). The contents of five active components(protocatechuic acid, chrysin, kaempferol, tectochrysin and nootkatone) were quantified using ultra-performance liquid chromatography(UPLC), and the antioxidant activity was evaluated. Building upon traditional quality evaluation of AOF, quantitative measurements were conducted on its appearance traits including diameter, length, plumpness(diameter/length ratio), and color. Canonical correlation analysis was performed using SPSS 26.0 to explore relationships between appearance traits and intrinsic quality. ResultsNo significant differences were observed between WAOF and CAOF in microscopic observation, TLC identification, moisture content, protocatechuic acid content, kaempferol content, odor, or antioxidant activity measured by 2,2ʹ-azino-bis(3-ethylbenzothiazoline-6-sulfonic acid)(ABTS) method. WAOF exhibited significantly higher levels in water-soluble extracts, alcohol-soluble extracts, total polysaccharide content, water-soluble protein content, 100-grain weight, length, and total color difference(ΔE*ab) compared to CAOF(P<0.01). In contrast, CAOF showed significantly higher levels of total ash, acid-insoluble ash, content of total flavonoids, volatile oil content, chrysin content, tectochrysin content, nootkatone content, diameter, plumpness, lightness(L*), red-green chromaticity(a*), yellow-blue chromaticity(b*), and antioxidant activity measured by 1,1-diphenyl-2-picrylhydrazyl(DPPH) method compared to WAOF(P<0.01). Correlation analysis between 7 phenotypic traits and 8 quality traits revealed that among the phenotypic traits, plumpness, L*, a*, and b* exerted significant influence on intrinsic quality. Among the quality traits, total flavonoids, volatile oils, nootkatone, chrysin, and tectochrysin contributed substantially to intrinsic quality. ConclusionPlumpness, L*, a*, and b* of AOF significantly influence its intrinsic quality, and higher values of these parameters indicate relatively superior intrinsic quality. The comprehensive quality evaluation reveals that CAOF samples collected in this study are superior to their wild counterparts.
3.Current status of talent cultivation in sports rehabilitation in China: based on World Health Organization rehabilitation competency framework
Jian CHEN ; Zheheng LI ; Dingxuan WANG
Chinese Journal of Rehabilitation Theory and Practice 2026;32(1):110-116
ObjectiveTo analyze the current status and existing challenges in talent cultivation for sports rehabilitation in China based on World Health Organization rehabilitation competency framework (RCF). MethodsData were collected from 104 higher education institutions nationwide that offer undergraduate programs in sports rehabilitation, including enrollment scale, regional distribution, degree conferral and training curriculum. Descriptive statistics and content analysis were used to examine the status and characteristics from three dimensions: institutional distribution, competency development and resource allocation, in terms of institutional type, regional distribution density, curriculum structure differences, competency-oriented training approaches and resource allocation patterns. ResultsTalent cultivation in sports rehabilitation in China currently faced a three-dimensional dilemma involving competency, resources, and public cognition. In terms of competency structure, a disconnect existed between medical fundamentals and exercise practice: physical education institutions provided insufficient medical training, whereas medical institutions lacked systematic instruction in exercise techniques. Regarding resource allocation, significant regional disparities were observed, with institutions heavily concentrated in Southwest (24.0%), East China (19.2%), and North China (15.4%), while Northwest China accounted for only 3.8%, forming a pronounced east-west gap. At the cognitive level, the public generally perceived sports rehabilitation as a service exclusive to athletes, and within the discipline, divergences persisted among the medical-oriented, sports-oriented, and integrated schools of thought. These challenges collectively hindered the quality of talent supply and regional balance. ConclusionTalent cultivation in sports rehabilitation in China is at a pivotal stage of transition from rapid expansion to quality enhancement. It is necessary to realign the knowledge structure and competency system of training programs with the five core competency domains of RCF.
4.Research progress on the association between physical activity and sleep quality in adolescents
WANG Jinxian*, LIU Yuan, WU Jian, WU Huipan, WANG Zhe, ZHANG Yingkun, WANG Yi, YIN Xiaojian
Chinese Journal of School Health 2026;47(1):140-143
Abstract
To promote adolescents active participation in physical activity and improve sleep quality, the article analyzes the relationship of adolescent physical activity with subjective sleep satisfaction, sleep latency, sleep continuity, sleep efficiency, and sleep duration. It explores potential mechanisms underlying the link between physical activity and sleep quality, including physiological mechanisms (circadian rhythms, body temperature, neuroendocrine systems, and immune function), and psychological mechanisms (stress relief, improvement of negative emotions, and promotion of mental relaxation). Based on existing research, it is recommended that adolescents engage in moderate to vigorous physical activity daily to promote improved sleep quality.
5.Jianpi Xiaoai Prescription Ameliorates Chemotherapy Resistance in Colon Cancer by Targeting FGF2 to Inhibit PI3K/Akt Signaling Pathway
Xiaolan JIAN ; Kangwen NING ; Jiaxiang YANG ; Shenglan KOU ; Wanting KUANG ; Ziqi WANG ; Yuqin TAN ; Puhua ZENG ; Lingjuan TAN ; Wei PENG
Chinese Journal of Experimental Traditional Medical Formulae 2026;32(6):120-130
ObjectiveTo explore the effect and mechanism of Jianpi Xiaoai prescription (JPXA) in ameliorating the 5-fluorouracil (5-FU) resistance of colon cancer. MethodsA HCT116/5-FU resistant cell line was established. Different concentrations (10%, 15%, 20%) of JPXA-containing serum and drug-free serum were used for intervention, and 10% fetal bovine serum (10% FBS), fibroblast growth factor receptor (FGFR) inhibitor (AZD4547), and recombinant fibroblast growth factor 2 (FGF2) were set as the control groups. Sensitive HCT116 cells were used in the FGF2 group, while HCT116/5-FU cells were used in other groups. Drug resistance, the level of FGF2 in the cell culture medium, the mRNA level of FGF2 in cells, and the protein levels of FGF2/FGFR and phosphatidylinositol 3-kinase/protein kinase B (PI3K/Akt) were determined. The drug-resistant cells were transplanted into the axilla of nude mice to establish a tumor model. The modeled mice were allocated into model, JPXA (15 g·kg-1), 5-FU (0.02 g·kg-1), JPXA+5-FU (15 g·kg-1+0.02 g·kg-1), AZD4547 (0.012 5 g·kg-1), and AZD4547+5-FU (0.012 5 g·kg-1+0.02 g·kg-1) groups. The tumor growth and the protein levels of FGF/FGFR and PI3K/Akt in each group were observed. ResultsThe survival rate of HCT116/5-FU cells decreased in all the JPXA groups with different concentrations. The cell survival rate was decreased most obviously in the 20% JPXA group. The level of FGF2 in the cell culture medium and the mRNA level of FGF2 in cells of each JXPA group decreased, and the decrease was the most significant in the 20% group (P<0.01). HCT116/5-FU cells showed up-regulated protein levels of FGF2 and phosphorylated fibroblast growth factor receptor 1 (p-FGFR1), but down-regulated protein level of FGFR1 (P<0.01). JPXA down-regulated the expression of FGF2 and p-FGFR1 and up-regulated the expression of FGFR1 (P<0.05). In addition, JPXA down-regulated the expression levels of phosphorylated protein kinase B (p-Akt) and phosphorylated mammalian target of rapamycin (p-mTOR), while up-regulating the expression levels of Akt and Bcl-2-asociated death promoter (Bad) (P<0.05). Animal experiments showed that the JPXA combined with 5-FU significantly inhibited the growth of drug-resistant tumors, reduced the protein levels of FGF2, p-FGFR1, phosphorylated phosphatidylinositol-3-kinase (p-PI3K), p-Akt, and p-mTOR, and increased the expression of Bad. It indicated that JPXA can inhibit the FGF2/FGFR1 signaling in colon cancer and regulate PI3K/Akt and downstream signaling pathways. ConclusionJPXA can ameliorate the chemotherapy resistance of colon cancer through down-regulating FGF2 expression and inhibiting the activation of the PI3K/Akt signaling pathway.
6.Comparison of the clinical efficacy of super pulse thulium laser enucleation of the prostate with "open tunnel" and holmium laser enucleation of the prostate for benign prostatic hyperplasia
Jidong XU ; Ning JIANG ; Jian LI ; Zhikang CAI ; Jianwei LYU ; Chuanyi HU ; Jingcun ZHENG ; Zhonglin CAI ; Huiying CHEN ; Yan GU ; Yuning WANG ; Jiasheng YAN ; Zhong WANG
Journal of Modern Urology 2025;30(1):34-38
[Objective] To compare the clinical efficacy of super pulse thulium laser enucleation of the prostate (SPThuLEP) with "open tunnel" and transurethral holmium laser enucleation of the prostate (HoLEP) in the treatment of benign prostatic hyperplasia (BPH), in order to provide reference for the treatment options of BPH. [Methods] The clinical data of 112 BPH patients treated in our hospital during Jan.2023 and Jul.2023 were retrospectively analyzed, including 65 treated with SPThuLEP with "open tunnel" and 57 with HoLEP.The operation time, postoperative hemoglobin decrease, postoperative bladder irrigation, catheter indwelling time, hospitalization time and complications were compared between the two groups.The changes of maximum urine flow rate (Qmax), international prostate symptom score (IPSS), quality of life score (QoL), postvoid residual (PVR) and prostate-specific antigen (PSA) were compared between the two groups before operation and one month after operation. [Results] All operations were successful without conversion to open or transurethral plasmakinetic resection.The postoperative decrease of hemoglobin in SPThuLEP group was lower than that in HoLEP group [(13.12±6.72) g/L vs. (21.02±6.51) g/L], with statistical difference (P<0.05). There were no significant differences in the operation time [(63.35±15.73) min vs.(61.02±17.55) min], postoperative bladder irrigation time [(1.07±0.45) d vs. (1.06±0.36) d], catheter indwelling time [(2.98±0.56) d vs. (3.01±0.63) d] and hospitalization time [(3.63±0.61) d vs.(3.79±0.76) d] between the two groups (P>0.05). No blood transfusion, secondary bleeding or unplanned hospitalization occurred, and there were no serious complications such as transurethral electroresection syndrome (TURS), urethral stricture and urinary incontinence.One month after operation, the Qmax, IPSS, QoL, PVR and PSA of the two groups were significantly improved compared with those before operation (P<0.05), but with no statistical difference between the two groups (P>0.05). [Conclusion] SPThuLEP with "open tunnel" has comparable efficacy as HoLEP in the treatment of BPH.With advantages of small amount of bleeding and high safety, this minimally invasive technique can be widely popularized in clinical practice.
7.Adrenocortical carcinoma with rhabdoid features: a case report and literature review
Mingchuan CHU ; Huimin SUN ; Hao WANG ; Jian SONG ; Yongshun GUO
Journal of Modern Urology 2025;30(1):64-68
[Objective] To investigate and summarize the clinicopathological features, diagnosis, treatment and prognosis of adrenocortical carcinoma with rhabdoid features. [Methods] The clinical diagnosis and treatment of a case of adrenocortical carcinoma with rhabdoid features admitled to Department of Urology, Weifang People's Hospital were reported.The clinical manifestations, pathological features, diagnosis and prognosis of the disease were analyzed in combination with relevant literature. [Results] A 34-year-old male patient was admitted due to scrotal distension and pain that had persisted for 6 months.Imaging examination showed a huge soft tissue tumor in the left adrenal region of the retroperitoneum with compression displacement of the left kidney, leading to obstruction of venous return in the left spermatic vein, which in turn caused varicose veins.The levels of serum renin, angiotensin, aldosterone, cortisol, and catecholamine were within normal ranges.Surgical resection of the tumor was performed, and postoperative pathological examination revealed that the tumor tissue was predominantly composed of rhabdoid cells, exhibiting positive immunohistochemical staining for INI 1, Syn, Calretinin and Vimentin.Genetic testing did not identify any deletion of SMARCB1 and SMARCA4 mutations.Therefore, the diagnosis was adrenocortical carcinoma with rhabdoid features.At the current 20-month follow-up, no recurrence or metastasis was observed.A review of the literature found that only 7 cases of this disease had been reported. [Conclusion] Adrenocortical carcinoma with rhabdoid features is a rare disease, and a definitive diagnosis is dependent upon pathological examination.Surgical resection remains the primary treatment.Long-term follow-up is essential, and further research is needed to evaluate the impact of adjuvant therapy.
8.Seasonal distribution characteristics, source analysis and health risk assessment of polycyclic aromatic hydrocarbons in PM2.5 in Lianyungang City in 2019-2023
Shengnan GAO ; Jinkun LI ; Li CHEN ; Zhengdong XYU ; Hongru ZHU ; Jian WANG ; Zhiyang YAO
Journal of Public Health and Preventive Medicine 2025;36(1):65-69
Objective To study the seasonal distribution characteristics of polycyclic aromatic hydrocarbons (PAHs) in PM2.5 in Lianyungang City, and analyze the sources of PAHs pollution, and to evaluate the health risks of PAHs in different seasons. Methods PM2.5 samples were collected regularly from January 2019 to December 2023, and 16 types of PAHs were determined by HPLC. Kruskal-Wallis H test was used to compare the concentrations of PM2.5 and PAHs in different years and seasons. The source of PAHs was analyzed by characteristic ratio and principal component analysis (PCA). Health risks were assessed using the BaP equivalent method and the incremental lifetime cancer risk (ILCR) model. Results The annual exceedance rates of PM2.5 and BaP in Lianyungang showed a decreasing trend from 2019 to 2023. PM2.5, total PAHs and PAHs monomers (except Ace, Flu and Acy) all showed significant seasonal differences, with the highest concentration in winter (P<0.001). The average proportion of 4-ring PAHs was the highest and the average proportion of 2-ring PAHs was the lowest. The proportion of 5-6 ring PAHs was relatively high in winter and spring. PM2.5and PAHs were negatively correlated with temperature, relative humidity and precipitation, and were positively correlated with atmospheric pressure. PM2.5 was negatively correlated with wind speed, while some PAHs monomers were positively correlated with wind speed. The characteristic ratio and PCA results showed that the main sources of PAHs in Lianyungang City were mixed sources of road dust and vehicle emissions, oil pollution sources and biomass combustion sources. The results of ILCR showed that the highest risk was found in adults, with males slightly higher than females. In Lianyungang, the maximum value of ILCR in winter was more than 10-6 in people over 9 years old. Conclusion The main sources of PAHs in PM2.5 in Lianyungang City are mixed sources of road dust and vehicle emissions, oil pollution sources, and biomass combustion sources. Under the current exposure level of PAHs in PM2.5, residents have a certain potential carcinogenic risk.
9.Platelet Metabolomics Analysis in Rats of Coronary Heart Disease with Blood Stasis Syndrome by Overexpression of Fibrinogen
Manli ZHOU ; Jiale ZHU ; Liping WANG ; Weixiong JIAN
Chinese Journal of Experimental Traditional Medical Formulae 2025;31(6):230-237
ObjectiveTo analyze the metabolomic characteristics of platelets in fibrinogen(FIB) overexpression rats of coronary heart disease with blood stasis syndrome(CHD-BSS), explore potential biomarkers, and investigate the mechanism of FIB overexpression on CHD-BSS. MethodsSD rats were randomly divided into BSS group and BSS+FIB overexpression group(BSS+FIB group), with 10 rats in each group. Both the BSS+FIB group and the BSS group were fed a high-fat diet combined with oral administration of vitamin D3 and subcutaneous injection of isoproterenol, but rats in the BSS+FIB group were overexpressed with FIB during the initial modeling stage by transfection with adeno-associated virus(AAV). The overexpression level of FIB in rat liver and plasma samples was detected by enzyme-linked immunosorbent assay(ELISA) and real-time fluorescence quantitative polymerase chain reaction(Real time PCR), as well as the expression level of liver FIB A(FGA) mRNA. The characteristics of metabolites in rat platelet samples were analyzed by ultra-high performance liquid chromatography-quadrupole-electrostatic field orbital trap high-resolution mass spectrometry(UPLC-Q-Exactive Orbitrap-MS), and the differential metabolites between groups were screened by principal component analysis(PCA) and orthogonal partial least squares-discriminant analysis(OPLS-DA), and the enriched pathways were analyzed. The accuracy of potential biomarkers in the diagnosis of CHD-BSS was evaluated by receiver operating characteristic(ROC) curve. The expression of autophagy related proteins phosphorylated adenosine monophosphate(AMP) activated protein kinase(p-AMPK)/AMPK, phosphorylated mammalian target of rapamycin(p-mTOR)/mTOR, microtubule-associated protein 1 light chain 3(LC3) Ⅱ/Ⅰ and p62 in platelets were detected by Western blot. ResultsCompared with the BSS group, the expression levels of FIB in liver and plasma samples of the BSS+FIB group were significantly increased(P<0.05, P<0.01), and the expression level of FIB mRNA in the liver was remarkably increased(P<0.01), indicating successful overexpression of FIB. Platelet metabolomics results showed significant differences in metabolic profiles between the BSS+FIB group and the BSS group, and a total of 25 significantly enriched metabolic pathways and 8 metabolites involved in these metabolic pathways, among which uric acid, guanosine and ribose 1-phosphate levels were up-regulated, while adenosine diphosphate(ADP), AMP, guanosine diphosphate(GDP), adenylosuccinate and norepinephrine levels were down-regulated. The diagnostic ability analysis of differential metabolites showed that all 8 differential metabolites had good diagnostic ability, with an area under the curve(AUC)>0.85. Western blot results showed that compared with the BSS group, the expression levels of p-mTOR/mTOR and p62 proteins in platelets of the BSS+FIB group was significantly reduced(P<0.01), while the expression levels of p-AMPK/AMPK and LC3Ⅱ/Ⅰ proteins were increased, but the difference was not statistically significant. ConclusionOverexpression of FIB can change the metabolic characteristics of CHD-BSS rat model, involving multiple aspects such as vascular endothelial injury, platelet activation and myocardial function damage. Among them, overexpression of FIB may enhance the occurrence of platelet autophagy, thereby inducing platelet activation and promoting thrombus formation.
10.Application of Recombinant Collagen in Biomedicine
Huan HU ; Hong ZHANG ; Jian WANG ; Li-Wen WANG ; Qian LIU ; Ning-Wen CHENG ; Xin-Yue ZHANG ; Yun-Lan LI
Progress in Biochemistry and Biophysics 2025;52(2):395-416
Collagen is a major structural protein in the matrix of animal cells and the most widely distributed and abundant functional protein in mammals. Collagen’s good biocompatibility, biodegradability and biological activity make it a very valuable biomaterial. According to the source of collagen, it can be broadly categorized into two types: one is animal collagen; the other is recombinant collagen. Animal collagen is mainly extracted and purified from animal connective tissues by chemical methods, such as acid, alkali and enzyme methods, etc. Recombinant collagen refers to collagen produced by gene splicing technology, where the amino acid sequence is first designed and improved according to one’s own needs, and the gene sequence of improved recombinant collagen is highly consistent with that of human beings, and then the designed gene sequence is cloned into the appropriate vector, and then transferred to the appropriate expression vector. The designed gene sequence is cloned into a suitable vector, and then transferred to a suitable expression system for full expression, and finally the target protein is obtained by extraction and purification technology. Recombinant collagen has excellent histocompatibility and water solubility, can be directly absorbed by the human body and participate in the construction of collagen, remodeling of the extracellular matrix, cell growth, wound healing and site filling, etc., which has demonstrated significant effects, and has become the focus of the development of modern biomedical materials. This paper firstly elaborates the structure, type, and tissue distribution of human collagen, as well as the associated genetic diseases of different types of collagen, then introduces the specific process of producing animal source collagen and recombinant collagen, explains the advantages of recombinant collagen production method, and then introduces the various systems of expressing recombinant collagen, as well as their advantages and disadvantages, and finally briefly introduces the application of animal collagen, focusing on the use of animal collagen in the development of biopharmaceutical materials. In terms of application, it focuses on the use of animal disease models exploring the application effects of recombinant collagen in wound hemostasis, wound repair, corneal therapy, female pelvic floor dysfunction (FPFD), vaginal atrophy (VA) and vaginal dryness, thin endometritis (TE), chronic endometritis (CE), bone tissue regeneration in vivo, cardiovascular diseases, breast cancer (BC) and anti-aging. The mechanism of action of recombinant collagen in the treatment of FPFD and CE was introduced, and the clinical application and curative effect of recombinant collagen in skin burn, skin wound, dermatitis, acne and menopausal urogenital syndrome (GSM) were summarized. From the exploratory studies and clinical applications, it is evident that recombinant collagen has demonstrated surprising effects in the treatment of all types of diseases, such as reducing inflammation, promoting cell proliferation, migration and adhesion, increasing collagen deposition, and remodeling the extracellular matrix. At the end of the review, the challenges faced by recombinant collagen are summarized: to develop new recombinant collagen types and dosage forms, to explore the mechanism of action of recombinant collagen, and to provide an outlook for the future development and application of recombinant collagen.


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