1.Theoretical Exploration of Same "Etiology-Mechanism-Syndrome-Treatment-Prevention" in Insomnia and Skin Aging
Bo XU ; Miao ZHU ; Kang SUN ; Yuan PENG ; Ping WANG ; Li YANG
Chinese Journal of Experimental Traditional Medical Formulae 2025;31(10):72-78
Sleep, skin, and health are closely interconnected. Clinically, insomnia has a high incidence and is often accompanied by or secondary to skin aging. The two conditions exhibit "different diseases with the same syndrome", significantly affecting the physical and mental health of the Chinese population. Preventing and treating skin aging by improving insomnia is an important strategy, with the principle of "treating different diseases with the same approach" serving as a crucial therapeutic guideline. However, effective clinical prevention and treatment methods for both conditions remain lacking. Traditional Chinese medicine (TCM) has a profound theoretical foundation and notable efficacy in the concurrent treatment of insomnia and skin aging, yet there are few reports on the etiology, pathogenesis, therapeutic principles, and treatment methods of their shared treatment, warranting further exploration. Based on holistic view and syndrome differentiation and treatment in TCM, this study systematically investigates the theoretical origins of the shared manifestations of insomnia and skin aging from multiple dimensions, including etiology, pathological location, pathogenesis, disease nature, and prevention and treatment strategies. As early as Huangdi's Internal Classic (Huangdi Neijing), it was recognized that mental clarity during the day, sound sleep at night, and firm, healthy skin are key indicators of external health, whereas daytime lethargy, poor sleep quality, and dry, withered skin are prominent signs of aging. Maintaining mental clarity during the day and restful sleep at night is essential for skin integrity and healthy aging. Later medical scholars proposed that the common etiology of insomnia and skin aging lies in "internal-external interactions", with the pathological location involving "the five organ systems". The primary pathogenesis includes "deficiency, fire, stagnation, phlegm, and blood stasis", while the disease nature is often characterized by "a combination of deficiency and excess". Treatment should be guided by syndrome differentiation, following the principle of balancing Yin and Yang. This theoretical exploration enriches and advances TCM understanding of disease onset and prevention, providing theoretical guidance for the clinical prevention and treatment of insomnia-associated skin aging and contributing to the realization of the "Healthy China" initiative.
2.Aberrant fragmentomic features of circulating cell-free mitochondrial DNA enable early detection and prognosis prediction of hepatocellular carcinoma
Yang LIU ; Fan PENG ; Siyuan WANG ; Huanmin JIAO ; Kaixiang ZHOU ; Wenjie GUO ; Shanshan GUO ; Miao DANG ; Huanqin ZHANG ; Weizheng ZHOU ; Xu GUO ; Jinliang XING
Clinical and Molecular Hepatology 2025;31(1):196-212
Background/Aims:
Early detection and effective prognosis prediction in patients with hepatocellular carcinoma (HCC) provide an avenue for survival improvement, yet more effective approaches are greatly needed. We sought to develop the detection and prognosis models with ultra-sensitivity and low cost based on fragmentomic features of circulating cell free mtDNA (ccf-mtDNA).
Methods:
Capture-based mtDNA sequencing was carried out in plasma cell-free DNA samples from 1168 participants, including 571 patients with HCC, 301 patients with chronic hepatitis B or liver cirrhosis (CHB/LC) and 296 healthy controls (HC).
Results:
The systematic analysis revealed significantly aberrant fragmentomic features of ccf-mtDNA in HCC group when compared with CHB/LC and HC groups. Moreover, we constructed a random forest algorithm-based HCC detection model by utilizing ccf-mtDNA fragmentomic features. Both internal and two external validation cohorts demonstrated the excellent capacity of our model in distinguishing early HCC patients from HC and highrisk population with CHB/LC, with AUC exceeding 0.983 and 0.981, sensitivity over 89.6% and 89.61%, and specificity over 98.20% and 95.00%, respectively, greatly surpassing the performance of alpha-fetoprotein (AFP) and mtDNA copy number. We also developed an HCC prognosis prediction model by LASSO-Cox regression to select 20 fragmentomic features, which exhibited exceptional ability in predicting 1-year, 2-year and 3-year survival (AUC=0.8333, 0.8145 and 0.7958 for validation cohort, respectively).
Conclusions
We have developed and validated a high-performing and low-cost approach in a large clinical cohort based on aberrant ccf-mtDNA fragmentomic features with promising clinical translational application for the early detection and prognosis prediction of HCC patients.
3.Aberrant fragmentomic features of circulating cell-free mitochondrial DNA enable early detection and prognosis prediction of hepatocellular carcinoma
Yang LIU ; Fan PENG ; Siyuan WANG ; Huanmin JIAO ; Kaixiang ZHOU ; Wenjie GUO ; Shanshan GUO ; Miao DANG ; Huanqin ZHANG ; Weizheng ZHOU ; Xu GUO ; Jinliang XING
Clinical and Molecular Hepatology 2025;31(1):196-212
Background/Aims:
Early detection and effective prognosis prediction in patients with hepatocellular carcinoma (HCC) provide an avenue for survival improvement, yet more effective approaches are greatly needed. We sought to develop the detection and prognosis models with ultra-sensitivity and low cost based on fragmentomic features of circulating cell free mtDNA (ccf-mtDNA).
Methods:
Capture-based mtDNA sequencing was carried out in plasma cell-free DNA samples from 1168 participants, including 571 patients with HCC, 301 patients with chronic hepatitis B or liver cirrhosis (CHB/LC) and 296 healthy controls (HC).
Results:
The systematic analysis revealed significantly aberrant fragmentomic features of ccf-mtDNA in HCC group when compared with CHB/LC and HC groups. Moreover, we constructed a random forest algorithm-based HCC detection model by utilizing ccf-mtDNA fragmentomic features. Both internal and two external validation cohorts demonstrated the excellent capacity of our model in distinguishing early HCC patients from HC and highrisk population with CHB/LC, with AUC exceeding 0.983 and 0.981, sensitivity over 89.6% and 89.61%, and specificity over 98.20% and 95.00%, respectively, greatly surpassing the performance of alpha-fetoprotein (AFP) and mtDNA copy number. We also developed an HCC prognosis prediction model by LASSO-Cox regression to select 20 fragmentomic features, which exhibited exceptional ability in predicting 1-year, 2-year and 3-year survival (AUC=0.8333, 0.8145 and 0.7958 for validation cohort, respectively).
Conclusions
We have developed and validated a high-performing and low-cost approach in a large clinical cohort based on aberrant ccf-mtDNA fragmentomic features with promising clinical translational application for the early detection and prognosis prediction of HCC patients.
4.Horticultural Therapy Combined with Intradermal Needling for Patients with Generalized Anxiety Disorder of Liver Depression Transforming into Fire Syndrome Under Transcranial Magnetic Stimulation and Psychological Therapy:Clinical Observation of 60 Cases
Wanyun ZHANG ; Jiayi YAN ; Qingyi QIU ; Yumei PENG ; Xiaoling ZHONG ; Jinwen ZHANG ; Rundong TANG ; Miao WU ; Dan HU ; Guang SU
Journal of Traditional Chinese Medicine 2025;66(1):50-58
ObjectiveTo observe the clinical effectiveness of horticultural therapy involving the planting of Chinese medicinal herbs (mint and lily potted plants) combined with intradermal needling therapy for generalized anxiety disorder (GAD) of liver depression transforming into fire syndrome under transcranial magnetic stimulation and basic psychological therapy, and to explore the possible mechanisms of action. MethodsA total of 180 patients with GAD of liver depression transforming into fire syndrome were randomly divided into three groups, horticultural therapy group, intradermal needling group, and horticultural therapy+intradermal needling group, with 60 patients in each. All groups received basic treatment including basic psychological therapy and transcranial magnetic stimulation. The horticultural therapy group received horticultural therapy in addition to the basic treatment; the intradermal needling group received intradermal needling therapy once a week for 8 weeks in addition to the basic treatment; the horticultural therapy+intradermal needling group received both horticultural therapy and intradermal needling therapy, following the same procedures and duration. Hamilton Anxiety Rating Scale (HAMA), Self-Rating Anxiety Scale (SAS), and Pittsburgh Sleep Quality Index (PSQI) scores were assessed at baseline and after 2, 4, 6, and 8 weeks of treatment. Serum levels of adrenocorticotropic hormone (ACTH) and corticosterone (CORT) were measured before treatment and after 8 weeks of treatment. Motor-evoked potential (MEP) baseline levels were recorded before treatment, and MEP amplitude ratios were compared after 1 week and 8 weeks of treatment. Clinical effectiveness and safety were evaluated after 8 weeks of treatment. Pearson correlation analysis was used to examine the relationships between serum ACTH and CORT levels, MEP amplitude, and anxiety. ResultsIn the horticultural therapy group and intradermal needling group, HAMA, SAS and PSQI scores after 4, 6, and 8 weeks treatment were lower than baseline scores (P<0.05). In the horticultural therapy+intradermal needling group, these scores showed a significant decline starting after 2 weeks treatment and continuing through 8 weeks after treatment (P<0.05). The HAMA, SAS, and PSQI scores in the horticultural therapy+intradermal needling group were significantly lower than those in the other two groups after 2, 4, 6, and 8 weeks treatment (P<0.05). After 8 weeks of treatment, serum CORT and ACTH levels in the horticultural therapy+intradermal needling group were significantly lower than baseline levels (P<0.05) and were also lower than those in the horticultural therapy group and intradermal needling group at the same time point (P<0.01). When comparing the level after 8 weeks treatment to that after 1 week treatment, under PAS10 stimulation, the MEP amplitude ratio in the intradermal needling group decreased at 30 minutes, while in the horticultural therapy+intradermal needling group, the MEP amplitude ratio decreased at all time points (P<0.05 or P<0.001); under PAS25 stimulation, the MEP amplitude ratio in the horticultural therapy group increased at 20 minutes, and in the intradermal needle group at 10 minutes (P<0.05). In the horticultural therapy+intradermal needling group, the MEP amplitude ratio increased significantly at all time points after treatment (P<0.001). The cure rate in the horticultural therapy+intradermal needling group (74.14%, 43/58) was significantly higher than that in the horticultural therapy group (30.00%, 18/60) and the intradermal needling group (48.28%, 28/58, P<0.05). Correlation analysis revealed that serum ACTH and CORT levels were positively correlated with HAMA scores (r = 0.488, P<0.01; r = 0.428, P<0.01). Following PAS10 intervention, the MEP amplitude ratio was positively correlated with HAMA scores (r = 0.458, P<0.01), whereas after PAS25 intervention, the MEP amplitude ratio was negatively correlated with HAMA scores (r = -0.562, P<0.01). ConclusionHorticultural therapy combined with intradermal needling treatment, under transcranial magnetic stimulation and basic psychological therapy, demonstrates significant clinical effectiveness in patients with GAD of liver depression transforming into fire syndrome. Its mechanism of action may be related to the regulation of hyperactivation of the hypothalamic-pituitary-adrenal (HPA) axis and the reduction of cortical excitability.
5.Aberrant fragmentomic features of circulating cell-free mitochondrial DNA enable early detection and prognosis prediction of hepatocellular carcinoma
Yang LIU ; Fan PENG ; Siyuan WANG ; Huanmin JIAO ; Kaixiang ZHOU ; Wenjie GUO ; Shanshan GUO ; Miao DANG ; Huanqin ZHANG ; Weizheng ZHOU ; Xu GUO ; Jinliang XING
Clinical and Molecular Hepatology 2025;31(1):196-212
Background/Aims:
Early detection and effective prognosis prediction in patients with hepatocellular carcinoma (HCC) provide an avenue for survival improvement, yet more effective approaches are greatly needed. We sought to develop the detection and prognosis models with ultra-sensitivity and low cost based on fragmentomic features of circulating cell free mtDNA (ccf-mtDNA).
Methods:
Capture-based mtDNA sequencing was carried out in plasma cell-free DNA samples from 1168 participants, including 571 patients with HCC, 301 patients with chronic hepatitis B or liver cirrhosis (CHB/LC) and 296 healthy controls (HC).
Results:
The systematic analysis revealed significantly aberrant fragmentomic features of ccf-mtDNA in HCC group when compared with CHB/LC and HC groups. Moreover, we constructed a random forest algorithm-based HCC detection model by utilizing ccf-mtDNA fragmentomic features. Both internal and two external validation cohorts demonstrated the excellent capacity of our model in distinguishing early HCC patients from HC and highrisk population with CHB/LC, with AUC exceeding 0.983 and 0.981, sensitivity over 89.6% and 89.61%, and specificity over 98.20% and 95.00%, respectively, greatly surpassing the performance of alpha-fetoprotein (AFP) and mtDNA copy number. We also developed an HCC prognosis prediction model by LASSO-Cox regression to select 20 fragmentomic features, which exhibited exceptional ability in predicting 1-year, 2-year and 3-year survival (AUC=0.8333, 0.8145 and 0.7958 for validation cohort, respectively).
Conclusions
We have developed and validated a high-performing and low-cost approach in a large clinical cohort based on aberrant ccf-mtDNA fragmentomic features with promising clinical translational application for the early detection and prognosis prediction of HCC patients.
6.Mechanism of Huangqi Gegen Decoction in Treatment of Type 2 Diabetes Mellitus via Intestinal Mucosal Barrier
Lili PENG ; Miao HAO ; Zhijun YANG ; Yajie LIU ; Hongxia YUAN
Chinese Journal of Experimental Traditional Medical Formulae 2025;31(15):1-9
ObjectiveTo investigate the mechanism of Huangqi Gegentang (HGT) in the treatment of type 2 diabetes mellitus (T2DM) through the application of proteomic techniques. MethodsThe rat model of T2DM was established by streptozotocin combined with a high-fat, high-sugar diet. Thirty-two male SD rats were randomized into four groups: blank, model, HGT (8.10 g·kg-1·d-1), and positive control (metformin hydrochloride, 76.5 mg·kg-1·d-1). After 6 weeks of drug intervention, the fasting blood glucose level was measured, and an oral glucose tolerance test (OGTT) was performed. The area under the curve (AUC) was calculated. Enzyme-linked immunosorbent assay was performed to assess the level of glycated hemoglobin (GHbA1c) in the serum. The limulus amebocyte lysate assay was employed to measure the serum level of lipopolysaccharide (LPS). Pathological changes in the colon were observed by hematoxylin-eosin staining. The mRNA levels of pro-inflammatory cytokines including tumor necrosis factor (TNF)-α, interleukin (IL)-6, and IL-1β in the colon tissue were quantified via Real-time fluorescence quantitative polymerase chain reaction (Real-time PCR). Additionally, the protein and mRNA levels of zonula occludens-1 (ZO-1), Occludin, and Claudin-1 in the colon tissue were assessed by Western blot and Real-time PCR, respectively. Label-free quantitative proteomics was employed to identify the differentially expressed proteins between the colon tissue samples from the blank, model, and HGT groups. Key proteins identified were subsequently validated by Western blot and Real-time PCR. Finally, bioinformatics analysis was conducted on the differentially expressed proteins. ResultsCompared with the blank group, the model group exhibited increased fasting blood glucose, AUC, and GHbA1c levels (P<0.01), damaged colonic mucosal epithelial structure and inflammatory cell infiltration, up-regulated mRNA levels of TNF-α, IL-6, and IL-1β in the colon and an increase in serum LPS content (P<0.05, P<0.01), and down-regulated protein and mRNA levels of ZO-1, Occludin, and Claudin-1 in the colon (P<0.01). Compared with the model group, the HGT group showed reductions in fasting blood glucose, AUC, and GHbA1c (P<0.01), alleviated damage to the colonic mucosal epithelium, down-regulated mRNA levels of TNF-α, IL-6, and IL-1β in the colon, a reduction in serum LPS content (P<0.05, P<0.01), and up-regulated protein and mRNA levels of ZO-1, Occludin, and Claudin-1 in the colon (P<0.05, P<0.01). Proteomics analysis identified 70 differentially expressed proteins that exhibited a downward trend in the model group relative to the blank group and an upward trend in the HGT group relative to the model group. These findings were corroborated by Western blot and Real-time PCR, which confirmed that the protein and mRNA levels of mucin 2 (Muc2) and transforming growth factor (TGF)-beta receptor 1 (Tgfbr1) in the colon tissue were consistent with the proteomic data. Bioinformatics analysis showed that these 70 differentially expressed proteins identified were significantly enriched in multiple signaling pathways, among which the TGF-β and advanced glycation endproduct (AGE)/receptor for advanced glycation endproduct (RAGE) signaling pathways were closely associated with damage to the intestinal mucosal barrier. This suggests that HGT may ameliorate intestinal mucosal barrier damage by regulating these pathways. ConclusionHGT potentially exerts anti-T2DM effects by influencing AGE/RAGE and TGF-β signaling pathways, thereby contributing to the restoration of the intestinal mucosal barrier.
7.Determination method of clopidogrel and its metabolites in rat plasma and its pharmacokinetic study
Huan YI ; Lan MIAO ; Changying REN ; Li LIN ; Mingqian SUN ; Qing PENG ; Ying ZHANG ; Jianxun LIU
China Pharmacy 2025;36(13):1599-1603
OBJECTIVE To establish a method for determining the contents of clopidogrel (CLP), clopidogrel carboxylate (CLP-C), clopidogrel acyl-β-D-glucuronide (CLP-G) and contents of clopidogrel active metabolite (CAM) in rat plasma, and to investigate their in vivo pharmacokinetic characteristics. METHODS The Shisedo CAPCELL ADME column was used with a mobile phase consisting of water and acetonitrile (both containing 0.1% formic acid) in a gradient elution. The flow rate was 0.4 mL/min, and the column temperature was maintained at 20 ℃. The injection volume was 2 μL. The analysis was performed in positive ion mode using electrospray ionization with multiple reaction monitoring. The ion pairs for quantitative analysis were m/z 322.1→211.9 (for CLP), m/z 308.1→197.9 (for CLP-C), m/z 322.1→154.8 (for CLP-G), m/z 504.1→154.9 [for racemic CAM derivative (CAMD)]. Six rats were administered a single intragastric dose of CLP (10 mg/kg). Blood samples were collected before medication and at 0.08, 0.33, 0.66, 1, 2, 4, 6, 10, 23 and 35 hours after medication. The established method was used to detect the serum contents of various components in rats. Pharmacokinetic parameters were then calculated using WinNonlin 6.1 software. RESULTS The linear ranges for CLP, CLP-C and CAMD were 0.08-20.00, 205.00-8 000.00, and 0.04-25.00 ng/mL, respectively (r≥0.990). The relative standard deviations for both intra-day and inter-day precision tests were all less than 15%, and the relative errors for accuracy ranged from -11.68% to 14.40%. The coefficients of variation for the matrix factors were all less than 15%, meeting the requirements for bioanalytical method validation. The results of the pharmacokinetic study revealed that, following a single intagastric administration of CLP in rats, the exposure to the parent CLP in plasma was extremely low. Both the area under the drug concentration-time curve (AUC0-35 h) and the peak concentration of the parent CLP were lower than those of its metabolites. The AUC0-35 h of the active metabolite CAM was approximately 43 times that of CLP, though it had a shorter half-life (2.53 h). The inactive metabolite CLP-C exhibited the highest exposure level, but it reached its peak concentration the latest and was eliminated slowly. The AUC0-35 h of CLP-G was about four times that of CAM, and its half-life was similar to that of CLP-C. CONCLUSIONS This study successfully established an liquid chromatography-tandem mass spectrometry method for the determination of CLP and its three metabolites, and revealed their pharmacokinetic characteristics in rats. Specifically, the parent drug CLP was rapidly eliminated, while the inactive metabolites CLP-C and CLP-G exhibited long half-lives, and active metabolite CAM displayed a transient exposure pattern.
8.Mitochondrial Function and Regulation in Spermatogenesis and Activation of Caenorhabditis elegans
Zhan-Xin CHANG ; Long MIAO ; Peng WANG
Progress in Biochemistry and Biophysics 2025;52(7):1661-1672
Mitochondria play a pivotal role in spermatogenesis and sperm activation in Caenorhabditis elegans, serving as the primary ATP supplier for cell division and differentiation while also acting as a key regulator of zinc ion homeostasis, membrane dynamics, and apoptotic signaling. This review systematically summarizes the essential mitochondrial mechanisms at different stages of sperm development, highlighting their multifaceted contributions beyond energy metabolism. Mitochondria are crucial for maintaining the health and stability of the gonads by regulating key apoptotic execution proteins that facilitate the proper elimination of damaged or unnecessary germ cells. Additionally, mitochondria dynamically adjust their energy supply to meet the metabolic demands of different stages of germline development. During early spermatogenesis, mitochondria provide ATP to fuel mitotic and meiotic divisions, support cellular differentiation, and regulate H+ and Zn2+ exchange to maintain cytoplasmic homeostasis, thereby ensuring the proper maturation and functionality of sperm cells. As spermatogenesis progresses, mitochondria participate in processing and sorting essential sperm proteins, such as major sperm protein (MSP), and contribute to the formation of membranous organelles (MOs), which are critical for subsequent activation events. During sperm activation, mitochondria play a dual role in ensuring a successful transition from immotile spermatids to fully functional spermatozoa. First, they provide ATP to facilitate pseudopod formation, MO fusion, and ion channel regulation, all of which are essential for sperm motility and fertilization potential. Second, mitochondria regulate the quality and quantity of functional mitochondria within sperm cells through mitopherogenesis—a recently discovered process in which mitochondrial vesicles are selectively released, ensuring that only healthy mitochondria are retained. This quality-control mechanism optimizes mitochondrial function, which is crucial for sustaining sperm motility and longevity. Beyond their traditional role in energy metabolism, mitochondria may also contribute to protein synthesis during spermatogenesis and activation. Recent evidence suggests that mitochondrial ribosomes actively translate specific proteins required for sperm function, challenging the long-standing belief that spermatozoa do not engage in de novo protein synthesis after differentiation. This emerging perspective raises important questions about the role of mitochondria in regulating sperm activation at the molecular level, particularly in modulating oxidative phosphorylation (OXPHOS) protein composition to optimize ATP production. In summary, mitochondria serve as both the central energy hub and a crucial regulatory factor in sperm activation, metabolic homeostasis, and reproductive success. Their involvement extends beyond ATP generation to include apoptotic regulation, ion homeostasis, vesicle-mediated mitochondrial quality control, and potential contributions to protein synthesis. Understanding these mitochondrial functions in C. elegans not only deepens our knowledge of nematode reproductive biology, but also provides valuable insights into broader mechanisms governing mitochondrial regulation in germline cells across species. These findings open new avenues for future research into the interplay between mitochondria, energy metabolism, and sperm function, with potential implications for reproductive health and fertility studies.
9.Evaluation of myopia prevention and control effect of defocus incorporated multiple segments lenses in children with monocular myopia
Lu JIANG ; Mengling PENG ; Miao MA ; Xue YUAN ; Chao ZHOU
International Eye Science 2025;25(10):1683-1687
AIM:To compare the changes in diopters and axial length after 1 a of wearing defocus incorporated multiple segments(DIMS)lenses or single vision(SV)spectacle lenses in children with monocular myopia.METHODS:In this retrospective case group study, monocular myopia children aged from 6 to 14 years old in Hankou Aier Eye Hospital from October 2020 to October 2022, who were fitted with DIMS lens(n=52)or single-vision(SV)spectacle lenses(n=49)were collected. The spherical degree of myopia eyes ranged from -4.00 D to -0.50 D and the nonmyopic eyes ranged from 0 to +1.00 D, astigmatism in all eyes ranged from 0 to -2.00 D. The DIMS lens group was classified into DIMS-myopia group(the myopic eyes)and DIMS-nonmyopia group(the nonmyopic eyes). The SV lens group was also divided into SV-myopia group and SV-nonmyopia group. The changes in spherical equivalent refraction(SER)and axial length(AL)of each group were compare before and after wearing lenses for 1 a, and variations in SER and AL of both eye among groups were analzed.RESULTS: After wearing lenses for 1 a, the changes of SER in the DIMS-myopic group and the DIMS-nonmyopic group were -0.41±0.44 and -0.26±0.54 D, respectively, and the changes of AL were 0.18±0.20 and 0.15±0.15 mm, respectively. SER changes were -0.74±0.63 and -0.70±0.68 D in SV-myopic group and SV-nonmyopic group, and AL changes were 0.30±0.28 and 0.31±0.28 mm. The changes of SER and AL in the DMS-myopic and non-myopic groups were slower than those in SV group(all P<0.05). Compared with SV lenses, wearing DIMS lenses delayed and 44.6% in myopia eyes, and 62.9% in non-myopia eyes, AL delayed by 40.0% in myopia eyes and 51.6% in non-myopia eyes. The percentage of 1-year AL change ≤0.2 mm in the DIMS-myopic group and non-myopic group was 53.9% and 65.4%, respectively, which was higher than that in the SV myopic group(34.7% and 42.9%, all P<0.05). The percentage of AL change >0.4 mm in the DIMS-myopic group and nonmyopic group was 17.3% and 7.7%, respectively, which was lower than that in the SV myopic group(32.7% and 28.6%, all P<0.05). There was no significant correlation between the change of AL and age and baseline AL in the DIMS-myopic and non-myopic groups after wearing lens for 1 a(all P>0.05); the change of AL in SV-myopic group and non-myopic group was negatively correlated with age(r=-0.446, P=0.001; r=-0.312, P=0.029), and there was no significant correlation with baseline AL(all P>0.05).CONCLUSION: DIMS lens has a good effect on myopia control and prevention in both myopia and non-myopia children with monocular myopia. Children with early pre-myopia can wear DIMS to prevent myopia.
10.Establishment of rabbit rectovaginal fistula model by magnetic compression technique
Bo-Yan TIAN ; Miao-Miao ZHANG ; Jian-Qi MAO ; Jia MA ; Yi LYU ; Xiao-Peng YAN
Journal of Regional Anatomy and Operative Surgery 2024;33(8):697-700
Objective To investigate the feasibility of establishing an animal model of rectovaginal fistula in rabbits by magnetic compression technique.Methods A magnetic device suitable for preparing rabbit rectovaginal fistula model was self-designed.Eight New Zealand female rabbits were used as experimental subjects.They were placed in a supine position after auricular intravenous anesthesia,and the magnets were placed on both sides of the rectovaginal septum through the vagina and anus,respectively,and the magnets were made to attract together.The operation time was recorded,the general state of the experimental rabbits was observed after operation,and the time of magnet discharge was recorded.The experimental rabbits were killed 1 week after operation to obtain rectovaginal fistula specimens,and the formation of rectovaginal fistula was observed by naked eye.Results The animal model of rectovaginal fistula was successfully established in 8 experimental rabbits.The operation process was smooth,with an average time of(1.63±0.70)minutes.The rabbits were generally in good condition after operation.The magnet was discharged from the body at(4.63±0.99)day after operation,and the rectovaginal fistula specimens were obtained 1 week after operation,and the rectovaginal fistula was well formed by naked eye observation.Conclusion The establishment of rabbit rectovaginal fistula model by magnetic compression technique has the advantages of simple operation and high success rate of model preparation.

Result Analysis
Print
Save
E-mail