1.Verruciform xanthoma in mandibular gingiva and vestibular sulcus: two cases report and literature review
YANG Mengxin ; ZHAN Yao ; SONG Zhifeng
Journal of Prevention and Treatment for Stomatological Diseases 2025;33(4):305-312
Objective:
To explore the clinical and pathological characteristics, diagnosis, and differential diagnosis of oral verruciform xanthoma, and to provide a reference for accurate clinical identification and treatment.
Methods:
Two cases of verruciform xanthoma occurring on the gingiva and vestibular mucosa are reported. The clinical features and pathological characteristics of both cases are described in detail, and information from a literature review on verruciform xanthoma is provided.
Results:
Case 1: a 37-year-old female patient presented with a pink, rough lesion on the gingiva of the right mandibular posterior teeth for one month. The lesion measured approximately 14 mm × 7 mm, and it was firm and painless. After periodontal therapy, the lesion was excised under local anesthesia. Postoperative pathological examination showed that the epithelial nail protruded and was elongated, and a large number of foam cells filled the connective tissue papilla, leading to the diagnosis of verrucous xanthoma. Case 2: a 36-year-old male patient presented with a pale pink lesion on the right lower vestibular mucosa for three months. The lesion measured approximately 18 mm × 10 mm with irregular margins, and it was firm and painless. The lesion was excised under local anesthesia, and postoperative pathological examination showed parateratosis of epithelium, hypertrophy and elongation of the nail process, and more foam cells in the lamina propria papilla area. The diagnosis was xanthoma verrucosa. The results of a literature review show that the incidence of verruciform xanthoma is 0.025%-0.094%, it primarily occurs in patients aged 50-70 years, the incidence in males is slightly higher than that in females, and it primarily occurs in areas of the oral cavity that include the hard palate and gums. It is generally non-invasive. The etiology and pathogenesis remain unclear. Clinically, verruciform xanthoma lacks specific characteristics, so these lesions are frequently misdiagnosed as other conditions, such as papilloma, common warts, condyloma acuminatum, squamous cell carcinoma, or verrucous carcinoma. The key to diagnosis lies in histopathology, with the hallmark feature being the accumulation of foam cells in the connective tissue papilla beneath the epithelium.
Conclusion
Verruciform xanthoma is a rare oral mucosal lesion with non-specific clinical manifestations and a high rate of misdiagnosis. It must be differentiated from conditions that include squamous papilloma, common warts, condyloma acuminatum, squamous cell carcinoma, and verrucous carcinoma. Definitive diagnosis depends on histopathological examination, and the primary treatment is surgical excision, with a low recurrence rate and minimal risk of malignant transformation.
2.Research progress on epigenetic changes induced by ionizing radiation
WANG Suyi ; SONG Li ; LIU Zhifeng ; JIANG Rongyue ; SONG Yue ; XIA Lu ; YANG Fan
Journal of Preventive Medicine 2025;37(4):361-364
Ionizing radiation (IR) is a genotoxic agent that can play an important role in the occurrence and development of various diseases by inducing epigenetic changes. Studies have shown that the basic mechanisms of IR-induced epigenetic changes include abnormal DNA methylation, increased oxidative stress levels, changes in histone modifications, and regulation by microRNAs. These can lead to health hazards such as malignant tumors, genetic effects, nervous system damage, circulatory system diseases, and radiation-induced cataracts. This article collected relevant literatures regarding epigenetic changes induced by IR from 2005 to 2024, and reviewed the basic mechanisms of IR-induced epigenetic changes and the associated disease risks, providing the reference for radiation protection in occupational exposure and radiotherapy.
3.Mechanism of the immediate analgesic effect of the"three methods and three points"tuina technique based on the IL-17F/IL-17RC signaling pathway and M1 microglia
Jinping CHEN ; Zhifeng LIU ; Tianyuan YU ; Hourong WANG ; Yingqi ZHANG ; Qian GUAN ; Yajing XU ; Zhenjie YANG ; Chula SA ; Runlong ZHANG ; Hanyu ZHANG ; Jiayue LIU ; Jiawei SUN
Journal of Beijing University of Traditional Chinese Medicine 2024;47(1):116-123
Objective By observing the effects of"three methods and three points"tuina technique on the expression of interleukin-17F(IL-17F),interleukin-17 receptor C(IL-17RC),activator 1 of nuclear transcription factor-κB(Act1),tumour necrosis factor receptor-associated factor 6(TRAF6)and M1 microglial cell expression in the spinal dorsal horn of rats with mild chronic compressive injury(minor CCI)model,we explored the immediate analgesic mechanism of tuina on peripheral neuropathic pain(pNP).Methods Thirty-six SD rats were divided into the sham group,the model group and the tuina group according to the random number method,twelve rats in each group,and the minor CCI model was replicated by ligating the right sciatic nerve.The rats in the tuina group were subjected to pointing,plucking and kneading at the BL37,BL57 and GB34 points on the affected side using a tuina simulator,while the sham group and the model group were only grasped and restrained,and were intervened for one time.The mechanical pain test and cold plate test were used to evaluate the response of rats to mechanical stimulation and cold stimulation after immediate intervention.The protein expression of IL-17F and TRAF6 in the spinal dorsal horn of rats in each group was detected by Western blotting.The mRNA expression of IL-17F,IL-17RC,Act1 and TRAF6 in the spinal dorsal horn of rats in each group was detected by real-time PCR.The average fluorescence intensity of M1 microglia in the spinal dorsal horn of rats in each group was detected by immunofluorescence.Results Behavioral results showed that before intervention,compared with the sham group,paw mechanical withdraw threshold(PMWT)decreased and cold sensitivity threshold(CST)increased in the model group and the tuina group;after tuina intervention,PMWT in the tuina group was increased,and CST was decreased compared with the model group;after intervention,PMWT in the tuina group was increased,while CST was decreased(P<0.05).RT-PCR results showed that compared with the sham group,mRNA expression levels of IL-17F,IL-17RC,TRAF6 and Act1 in the spinal dorsal horn of the model group were increased;compared with model group,the mRNA expression levels of above indexes in the tuina group were decreased(P<0.05).Western boltting results showed that compared with the sham group,the expression levels of IL-17F and TRAF6 protein in the spinal dorsal horn of the model group were increased;compared with the model group,the expression levels of IL-17F and TRAF6 protein in the tuina group decreased(P<O.05).Immunofluorescence results showed that the mean fluorescence intensity of CD40 in the spinal dorsal horn of model group was enhanced compared with the sham group;compared with the model group,the mean fluorescence intensity of CD40 in the tuina group was decreased(P<0.05).Conclusion The"three methods and three points"tuina technique can produce immediate analgesia by inhibiting the expression of IL-17F,IL-17RC,Act1,TRAF6 and the activation of M1 microglia in the dorsal horn of the spinal cord after one intervention.
4.Analysis of on-site technical evaluation of 88 provincial health enterprises in Shandong Province
Wenjiao LIU ; Jing LI ; Zhifeng YANG ; Yuqian CHANG ; Haidong ZHANG ; Peng LI
China Occupational Medicine 2024;51(2):238-241
ObjectiveTo analyze the on-site technical evaluation results of the provincial-level health enterprises in Shandong Province. Methods A total of 88 provincial-level health enterprises in Shandong Province in 2021 were selected as the research subjects using the convenient sampling method. The scores of on-site technical assessments were analyzed. Results The total score of on-site technical evaluations for the 88 provincial health enterprises was (942.1±21.8) points. The scores for the first-level indicators, including management system, health environment, health management and services, and health culture, were (193.7±4.7), (191.6±5.2), (414.4±16.4), and (142.3±6.7) points, respectively. The score for health culture in large-sized enterprises was higher than that in medium-sized and below enterprises (P<0.05). State-owned enterprises had higher total scores than private enterprises and joint-stock enterprises (both P<0.05). The score for health management and services in the mining industry was higher than that in the manufacturing industry (P<0.05). Enterprises with high total investment in health promotion had higher scores for health culture than those with low investment (P<0.05). There were no significant differences in the scores for indicators of management system and health environment among enterprises of different sizes, natures, industries, and total investments in health promotion (all P>0.05). Conclusion The overall score of these 88 enterprises was higher than the standard for provincial health enterprises. Except for management systems and general environment, there were some differences in the scores for health management and services, and health culture assessments among enterprises of different sizes, natures, industries, and total investments in health promotion.
5.Mechanism of Chinese Medicine Against Diabetic Gastroparesis: A Review
Long LI ; Zhifeng TANG ; Wenjing SONG ; Fangyi CHEN ; Yuting YUE ; Xia YANG ; Zhigang WANG ; Wanxin ZHU ; Shengfang WAN
Chinese Journal of Experimental Traditional Medical Formulae 2024;30(17):256-266
Diabetic gastroparesis (DGP) is a common diabetic neuropathy that affects the normal function of gastric motility and emptying. Clinically, it often manifests as abdominal distension, nausea and vomiting, early satiety, dyspepsia, etc. The pathogenesis of DGP is multifactorial, closely related to many factors, such as chronic hyperglycemia, neuropathy, autonomic nervous system disorders, inflammation, and oxidative stress. These factors can interact with each other, leading to delayed gastric emptying and the occurrence of related symptoms. Traditional Chinese medicine (TCM) has significant advantages in the prevention and treatment of DGP, including a long history, remarkable efficacy, individualized treatment, diverse therapeutic formulations, and improvement in the quality of life. Additionally, TCM is known for its low adverse reactions, good tolerance, and multi-targeted effects, making it an important approach in the management of DGP. Previous research has found that the main mechanisms of Chinese medicine in the prevention and treatment of DGP include the regulation of gastrointestinal hormones, inhibition of inflammatory responses, reduction of oxidative stress, enhancement of interstitial cells of Cajal activity, inhibition of pyroptosis, and modulation of related signaling pathways such as stem cell factor (SCF)/cellular growth factor receptor (c-Kit), adenosine monophosphate-activated protein kinase (AMPK), Ras homologous genome member A (RhoA)/Rho-associated coiled-coil forming kinase (ROCK). This article primarily summarized the research progress on Chinese medicine in preventing and treating DGP through the inhibition of inflammatory responses, reduction of oxidative stress, enhancement of interstitial cells of Cajal activity, inhibition of pyroptosis, and regulation of related signaling pathways, aiming to provide a reference and basis for further research on the application value of Chinese medicine in the prevention and treatment of DGP.
6.Structural characterization and mechanisms of macrophage immunomodulatory activity of a novel polysaccharide with a galactose backbone from the processed Polygonati Rhizoma
Su HONGNA ; He LILI ; Yu XINA ; Wang YUE ; Yang LI ; Wang XIAORUI ; Yao XIAOJUN ; Luo PEI ; Zhang ZHIFENG
Journal of Pharmaceutical Analysis 2024;14(7):1076-1090
A purified polysaccharide with a galactose backbone(SPR-1,Mw 3,622 Da)was isolated from processed Polygonati Rhizoma with black beans(PRWB)and characterized its chemical properties.The backbone of SPR-1 consisted of[(4)-β-D-Galp-(1]9→ 4,6)-β-D-Galp-(1 → 4)-α-D-GalpA-(1 → 4)-α-D-GalpA-(1 →4)-α-D-Glcp-(1 → 4,6)-α-D-Glcp-(1 → 4)-α/β-D-Glcp,with a branch chain of R1:β-D-Galp-(1 → 3)-β-D-Galp-(1 → connected to the →4,6)-β-D-Galp-(1 → via O-6,and a branch chain of R2:α-D-Glcp-(1 →6)-α-D-Glcp-(1 → connected to the →4,6)-α-D-Glcp-(1 → via O-6.Immunomodulatory assays showed that the SPR-1 significantly activated macrophages,and increased secretion of NO and cytokines(i.e.,IL-1β and TNF-α),as well as promoted the phagocytic activities of cells.Furthermore,isothermal titration calorimetry(ITC)analysis and molecular docking results indicated high-affinity binding between SPR-1 and MD2 with the equilibrium dissociation constant(KD)of 18.8 μM.It was suggested that SPR-1 activated the immune response through Toll-like receptor 4(TLR4)signaling and downstream responses.Our research demon-strated that the SPR-1 has a promising candidate from PRWB for the TLR4 agonist to induce immune response,and also provided an easily accessible way that can be used for PR deep processing.
7.Design and application of clinical probation log based on subjective-objective-assessment-plan
Zhifeng WU ; Li MING ; Zhangya YANG ; Min WANG ; Yizhen SUN ; Wang YANG ; Zhiqiang CHEN ; Zhangxue HU ; Yuping ZHANG
Chinese Journal of Medical Education Research 2024;23(7):906-909
Objective:To investigate the application value of a new clinical probation log designed based on the subjective-objective-assessment-plan (SOAP) structured medical record.Methods:Quantitative and qualitative studies were conducted among 97 students in the autumn semester to evaluate the effect of the new clinical probation log based on the SOAP structured medical record on their academic performance and clinical thinking. SPSS 26.0 was used to perform the t-test and ANOVA. Results:The students using the new version had a significantly better score (96.29±1.38) than those using the old version (93.53±1.60) ( P<0.001), while the multivariate analysis showed that the students who first used the old version and then switched to the new version had a significantly better improvement in the score compared with those who first used the new version and then switched to the old version ( P<0.001). The qualitative interview showed that it was necessary to use handwritten internship log, and compared with the old version, the new version could better promote the ordered clinical thinking of students. The teacher comments could give feedbacks, and all the students interviewed thought that the new version held promise for clinical application. Conclusions:The clinical probation log based on the SOAP structured medical record can help to improve the effectiveness of probation and cultivate clinical thinking ability, and thus it holds promise for application in clinical probation teaching.
8.Research progress on breed characteristics and germplasm resources itilization of Zi goose
Mingdong HUO ; Jiaqiang DONG ; Ping LI ; Wenkai GUO ; Zhifeng CHEN ; Zhigang MA ; Nian-Dong WEI ; Yue ZOU ; Hong ZHANG ; Zhiqiang WANG ; Haotian YANG ; Caihong HAO ; Mingzhe LYU ; Yuxiang HUANG
Chinese Journal of Veterinary Science 2024;44(11):2496-2501
Zi goose is a small local variety with high fecundity,good meat quality,roughage resist-ance,strong adaptability and excellent down quality.It is an excellent female parent for cross breeding among varieties.With the rapid development of goose industry,the variety of Zi goose has not been well protected,the variety is hybrid and degraded seriously,and the number of pure Zi goose is decreasing day by day.This paper reviewed the research progress on the breeding distribu-tion and preservation status of Zi goose and the variety characteristics of Zi goose,in order to pro-vide reference for the research,protection and utilization of germplasm resources of Zi goose and the stable development of goose industry.
9.The Basis and Progress on Chemical Structure,Pharmacological Activity of Common Tibetan Medicine"Ye Ge Xing"
Annan YANG ; Yan FENG ; Zhifeng LI ; Yarong LI ; Yang XIAN ; Qi WANG ; Yulin FENG ; Guoyue ZHONG
World Science and Technology-Modernization of Traditional Chinese Medicine 2024;26(3):675-690
Objective Clarify the basis of the commonly used Tibetan medicinal material"YeGexing",the chemical structure and pharmacological activity were investigated,then provide a basis for standardizing clinical medication,quality control,and rational use of resources.Methods Using literature research;plant taxonomy identification summary of chemical composition investigation and pharmacological activity identification,combined with resource distribution,clinical use status investigation and analysis.Results Tibetan medicine"Yegexing"involved 7 species in 2 families,4 genera,that is Sambucus Linn.from Caprifoliaceae,Senecio L.,Synotis(C.B.Clarke)C.Jeffrey et Y.L.Chen,Saussurea DC.from Compositae.The earliest used"Yegexinggabao"or"white"should be Senecio dianthus.and Senecio solidagineus.in the literature;"Yegexingnabao"or"black"should be Saussurea epilobioides.and Sambucus adnate.;S.raphanifolius.(S.diversifolius.),S.chrysanthemoides.(S.laetus.).S.chinensis.are the main substitutes used in Yunnan,Gansu,and western Sichuan,and are commonly used in the market.YeGexing mainly contains terpenes,flavonoids,alkaloids,phenolic acids and other chemical components;YeGexing black is mainly used for"healing",white is mainly used for"anti-inflammatory",which corresponds to modern pharmacological research on anti-inflammatory,antioxidant,antibacterial and other activities.Conclution In view of the fact that the origin of"Yegexing"involves a variety of plants from different families and genera,"Yegexing"has become a collective name for these plant medicinal materials.According to the lextual results and the research progress on chemical structure and pharmacological activity,from the perspective of conducive to standardizing clinical medication,ensuring efficacy and quality of medicinal materials,its name and variety should be standardized as:"??????(???????????????????/)Yegexinggabao"(that is,the white one),the source is S.dianthus.(S.erythropappa.),S.solidagineus.(S.solidaginea.),S.raphalanifolius.(S.diversifolius.),S.chrysanthemoides.(S.laetus.);"(???????????????????????/)Yegexingnabao"(that is,the black one),the source is S.epilobioides.and S.adnata.and S.chinensis are independent medicines.We should strengthen the investigation of the resources and use status of substitutes in various places,the comparative research on the medicinal material basis and biological activity of different resource species,and standardize their varieties-names-bases to make rational use of their resources.
10.A case of successful treatment of an extremely preterm infant born at 21 weeks and 4 days of gestation
Haifeng ZONG ; Bingchun LIN ; Yingsui HUANG ; Shan JIANG ; Yurong YUAN ; Xiaoyun XIONG ; Zhifeng HUANG ; Chuanzhong YANG
Chinese Journal of Perinatal Medicine 2024;27(10):860-864
This case report described the sucussful treatment of a male infant born at 21 weeks and 4 days through assisted reproductive technology. After prenatal consultation and with the strong desire of the parents, active resuscitation and treatment were performed. The infant received 52 days of mechanical ventilation and was extubated to non-invasive ventilation at a corrected gestational age of 28 weeks and 6 days. During hospitalization, no vasoactive drugs were used, and necrotizing enterocolitis did not occur. The gastric tube was removed at a corrected gestational age of 37 weeks and 4 days. At a corrected gestational age of 40 weeks, cranial MRI showed no abnormalities. The infant was discharged at a corrected gestational age of 42 weeks after 143 days of treatment, without the need for any respiratory support. Follow-up until a corrected age of 6 months showed good growth and development.


Result Analysis
Print
Save
E-mail