1.Research progress in pathogenic factors and inhibitors of Chlamydia trachomatis
Xiufeng QIU ; Youfu XIANG ; Puyang LU ; Longnian LI ; Zhaolin ZENG ; Cong YOU
Chinese Journal of Microbiology and Immunology 2025;45(8):701-706
Genitourinary tract infections caused by Chlamydia trachomatis ( Ct) are characterized by their insidious onset, mild symptoms, and prolonged disease course, making them challenging to treat effectively. Chronic persistent infections and associated complications impose a significant burden on both patients and society. Numerous studies have shown that relying solely on antibiotics as first-line therapy may not be sufficient to completely eradicate urogenital Ct infections. Additionally, antibiotic use can lead to the development of Ct resistance and disrupt the body′s microbial balance. Therefore, the development of novel Ct inhibitors is crucial. This review summarizes recent advances in research on Ct inhibitors, aiming to provide a valuable reference for both basic research and clinical treatment of urogenital Ct infections.
2.Research progress in pathogenic factors and inhibitors of Chlamydia trachomatis
Xiufeng QIU ; Youfu XIANG ; Puyang LU ; Longnian LI ; Zhaolin ZENG ; Cong YOU
Chinese Journal of Microbiology and Immunology 2025;45(8):701-706
Genitourinary tract infections caused by Chlamydia trachomatis ( Ct) are characterized by their insidious onset, mild symptoms, and prolonged disease course, making them challenging to treat effectively. Chronic persistent infections and associated complications impose a significant burden on both patients and society. Numerous studies have shown that relying solely on antibiotics as first-line therapy may not be sufficient to completely eradicate urogenital Ct infections. Additionally, antibiotic use can lead to the development of Ct resistance and disrupt the body′s microbial balance. Therefore, the development of novel Ct inhibitors is crucial. This review summarizes recent advances in research on Ct inhibitors, aiming to provide a valuable reference for both basic research and clinical treatment of urogenital Ct infections.
3.Effect of Dredging Correcting Manipulation on Stunting in Children with cblC Methylmalonic Aciduria
Hong ZHENG ; Rui-xing LIANG ; Xiang-peng LU ; Jian-kui ZHANG ; Yi-zhen WANG ; Ke-gong XIE ; Hui JIN ; Su-zhen GUO ; Shu-ying ZHAO ; Chi ZHANG ; Xiao-meng LI ; Xin MAO ; Jin-long SUN ; Hua-wei LI ; Bin FENG ; Bing-xiang MA
Chinese Journal of Rehabilitation Theory and Practice 2020;26(8):964-968
Objective:To observe the effect of Dredging Correcting Manipulation on cblC methylmalonic aciduria (MMA). Methods:From October, 2017 to October, 2018, 72 children with cblC MMA combined with growth retardation were divided into control group (
4.VPS4B mutation impairs the osteogenic differentiation of dental follicle cells derived from a patient with dentin dysplasia type I.
Qiang LI ; Fangli LU ; Tianxuan CHEN ; Ke ZHANG ; Yuping LU ; Xiaocong LI ; Yingying WANG ; Ling LIU ; Qing TIAN ; Fu XIONG ; Dong CHEN
International Journal of Oral Science 2020;12(1):22-22
A splicing mutation in VPS4B can cause dentin dysplasia type I (DD-I), a hereditary autosomal-dominant disorder characterized by rootless teeth, the etiology of which is genetically heterogeneous. In our study, dental follicle cells (DFCs) were isolated and cultured from a patient with DD-I and compared with those from an age-matched, healthy control. In a previous study, this DD-I patient was confirmed to have a loss-of-function splicing mutation in VPS4B (IVS7 + 46C > G). The results from this study showed that the isolated DFCs were vimentin-positive and CK14-negative, indicating that the isolated cells were derived from the mesenchyme. DFCs harboring the VPS4B mutation had a significantly higher proliferation rate from day 3 to day 8 than control DFCs, indicating that VPS4B is involved in cell proliferation. The cells were then replenished with osteogenic medium to investigate how the VPS4B mutation affected osteogenic differentiation. Induction of osteogenesis, detected by alizarin red and alkaline phosphatase staining in vitro, was decreased in the DFCs from the DD-I patient compared to the control DFCs. Furthermore, we also found that the VPS4B mutation in the DD-I patient downregulated the expression of osteoblast-related genes, such as ALP, BSP, OCN, RUNX2, and their encoded proteins. These outcomes confirmed that the DD-I-associated VPS4B mutation could decrease the capacity of DFCs to differentiate during the mineralization process and may also impair physiological root formation and bone remodeling. This might provide valuable insights and implications for exploring the pathological mechanisms underlying DD-I root development.
ATPases Associated with Diverse Cellular Activities
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genetics
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Case-Control Studies
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Cell Differentiation
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genetics
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Cells, Cultured
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Dental Sac
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cytology
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Dentin Dysplasia
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genetics
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pathology
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physiopathology
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Endosomal Sorting Complexes Required for Transport
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genetics
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Humans
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Mutation
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genetics
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Osteogenesis
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genetics
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RNA Splicing
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genetics
5.Spatio-temporal expression of dentin sialophosphoprotein and collagen Ⅰ during molar tooth germ development in vps4b knockout mouse.
Dong CHEN ; Ying-Ying WANG ; Xiao-Cong LI ; Fang-Li LU ; Qiang LI
West China Journal of Stomatology 2019;37(3):248-252
OBJECTIVE:
To verify the effect of the mutant gene vps4b on the expression of tooth development-related proteins, dentin sialophosphoprotein (DSPP) and collagenⅠ (COL-Ⅰ).
METHODS:
Paraffin tissue sections of the first molar tooth germ were obtained from the heads of fetal mice at the embryonic stages of 13.5, 14.5, and 16.5 days and from the mandibles of larvae aged 2.5 and 7 days after birth. The immunohistochemical method was used to detect the expression and location of DSPP and COL-Ⅰ in wild-type mouse and vps4b knockout mouse.
RESULTS:
DSPP and COL-Ⅰ were not found in the bud and cap stages of wild-type mouse molar germ. In the bell stage, DSPP was positively expressed in the inner enamel epithelium and dental papilla, whereas COL-Ⅰ was strongly expressed in the dental papilla and dental follicle. During the secretory and mineralized periods, DSPP and COL-Ⅰ were intensely observed in ameloblasts, odontoblasts, and dental follicles, but COL-Ⅰ was also expressed in the dental papilla. After vps4b gene knockout, DSPP was not expressed in the dental papilla of the bell stage and in the dental papilla and dental follicle of the secretory phase. The expression position of COL-Ⅰ in the bell and mineralization phase was consistent with that in the wild-type mice. Moreover, the expression of COL-Ⅰ in the dental papilla changed in the secretory stage.
CONCLUSIONS
Gene vps4b plays a significant role in the development of tooth germ. The expression of DSPP and COL-Ⅰ may be controlled by gene vps4b and regulates the development of tooth dentin and cementum together with vps4b.
ATPases Associated with Diverse Cellular Activities
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genetics
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Animals
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Collagen
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metabolism
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Endosomal Sorting Complexes Required for Transport
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genetics
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Extracellular Matrix Proteins
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metabolism
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Mice
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Mice, Knockout
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Molar
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Odontoblasts
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Phosphoproteins
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metabolism
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Sialoglycoproteins
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metabolism
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Tooth Germ
6.Treating oligospermia patients of Shen-essence deficiency syndrome by 3 different treatment programs: a clinical observation.
Zhi-Yong WANG ; Yu-Fen HAN ; Yu WANG ; Zi-Xue SUN ; Guan-Yu JIN ; Tai-Kun LU
Chinese Journal of Integrated Traditional and Western Medicine 2013;33(9):1174-1178
OBJECTIVETo compare the clinical efficacy of 3 different treatment programs for oligospermia patients of Shen-essence deficiency syndrome (SEDS).
METHODSTotally 450 male patients were randomly assigned to 3 groups, i.e., the treatment group, the control group 1, and the control group 2, 150 in each group. Patients in the treatment group were treated by Bushen Yijing Decoction (BYD), tamoxifen tablet (TT), Licorzine Capsule (LC), and Vitamin E Soft Capsule (VESC). Those in the control group 1 were treated by BYD, LC, and VESC. Those in the control group 2 were treated by TT, LC, and VESC. All patients were treated for 3 months. Their pregnant rates were compared. Clinical efficacies of each Chinese medical symptom and sperm parameters [sperm density, grade a sperm motility rate, grade (a + b) sperm motility rate, grade (a + b + c) sperm motility rate, and normal sperm morphology rate] were compared before and after treatment.
RESULTSAt 3 months after treatment 61 patients were pregnant in the treatment group, 36 patients were pregnant in the control group 1, and 30 patients were pregnant in the control group 2. The differences in the sperm density, grade a sperm motility rate, and grade (a + b) sperm motility rate, and grade (a + b + c) sperm motility rate between before and after treatment were significantly higher in the treatment group than in the control group 1 and the control group 2 (P < 0.01). The difference in the normal sperm morphology rate between before and after treatment was obviously higher in the treatment group and the control group 1 than in the control group 2 (P < 0.01). Better results were obtained in the treatment group and the control group 1 in improving the sexual apathy, soreness and weakness of waist and knees, impotence, premature ejaculation, seminal emission, dizziness, tinnitus, forgetfulness, alopecia, when compared with the control group 2 (P < 0.01, P < 0.05). There was no statistical difference in the total effective rate of improving Chinese medical symptoms between the treatment group and the control group 1 (P > 0.05).
CONCLUSIONBYD combined with TT, LC, and VESC could significantly improve sperm qualities and clinical Chinese medical symptoms of oligospermia patients of SEDS.
Adult ; Drugs, Chinese Herbal ; therapeutic use ; Humans ; Male ; Medicine, Chinese Traditional ; methods ; Oligospermia ; diagnosis ; therapy ; Phytotherapy ; methods ; Young Adult

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