1.Investigation of plague sources in the border port areas of Longchuan County, Yunnan Province in 2022
Zhengxiang LIU ; Yuqiong LI ; Mei HONG ; Wei LIANG ; Qiuxiang YANG ; Shilong YANG ; Cuicui ZHAO ; Zihou GAO ; Zongti SHAO
Chinese Journal of Endemiology 2025;44(6):467-471
Objective:To investigate the host and vector composition of pestis and the epidemic situation of pestis among animals in the border port areas of Longchuan County, Yunnan Province.Methods:In September 2022, a survey was conducted on rodents and their surface parasitic fleas in the border port areas of Longchuan County, according to three habitat types: residential areas, agricultural areas, and forest-shrubbery areas. Samples of murine animals organs and their surface parasitic fleas were collected for isolation and identification of Yersinia pestis. Blood samples of plague indicating animals, such as murine animals, dogs and cats were collected, and serum plague F1 antibody was detected by indirect hemagglutination assay. Meanwhile, a retrospective investigation was conducted on the occurrence of self dead rats, sick rats, and suspected cases in the local area from 2018 to 2022 through interviews with farmers. Results:A total of 168 murine animals belonging to 3 orders, 5 families, 10 genera, and 11 species were captured in three habitats in Longchuan County. Among them, the capture rate in residential areas was 5.00% (30/600), with Rattus tanezumi and Suncus murinus as dominant species, with a composition ratio of 50.00% (15/30). The capture rate in agricultural areas was 9.67% (122/1 262), with Rattus tanezumi and Suncus murinus as dominant species, with a composition ratio of 50.82% (62/122) and 44.26% (54/122), respectively. The capture rate in the forest-shrubbery areas was 6.25% (16/256), with Hylomys suillus and Eothenomys eleusis as dominant species, with a composition ratio of 37.50% (6/16) and 31.25% (5/16), respectively. Among the captured murine animals, 20 individuals carried 52 parasitic fleas, belonging to 2 species of 2 genera and 2 families. The total flea infection rate was 11.90% (20/168), and the total flea index was 0.31 (52/168). The dominant specie was Xenopsylla cheopis (90.38%, 47/52). The flea infection rate in residential areas was 33.33% (10/30), and the flea index was 1.23 (37/30). The flea infection rate in agricultural areas was 7.38% (9/122), and the flea index was 0.11 (14/122). The flea infection rate in the forest-shrubbery areas was 6.25% (1/16), and the flea index was 0.06 (1/16). The samples of murine animals and their parasitic fleas obtained were isolated and cultured by Yersinia pestis, and the results were negative. A total of 144 serum samples from murine animals, dogs and cats were separated, and no F1 antibody against pestis was detected. According to interviews and investigations, no abnormal situations such as a large number of self dead rats, sick rats, and suspected cases were found from 2018 to 2022. Conclusions:No plague epidemic has been found in the border port areas of Longchuan County recently. The main host of plague, Rattus tanezumi, and the main vector, Xenopsylla cheopis, remain the dominant species in this area.
2.NUP62 alleviates senescence and promotes the stemness of human dental pulp stem cells via NSD2-dependent epigenetic reprogramming.
Xiping WANG ; Li WANG ; Linxi ZHOU ; Lu CHEN ; Jiayi SHI ; Jing GE ; Sha TIAN ; Zihan YANG ; Yuqiong ZHOU ; Qihao YU ; Jiacheng JIN ; Chen DING ; Yihuai PAN ; Duohong ZOU
International Journal of Oral Science 2025;17(1):34-34
Stem cells play a crucial role in maintaining tissue regenerative capacity and homeostasis. However, mechanisms associated with stem cell senescence require further investigation. In this study, we conducted a proteomic analysis of human dental pulp stem cells (HDPSCs) obtained from individuals of various ages. Our findings showed that the expression of NUP62 was decreased in aged HDPSCs. We discovered that NUP62 alleviated senescence-associated phenotypes and enhanced differentiation potential both in vitro and in vivo. Conversely, the knocking down of NUP62 expression aggravated the senescence-associated phenotypes and impaired the proliferation and migration capacity of HDPSCs. Through RNA-sequence and decoding the epigenomic landscapes remodeled induced by NUP62 overexpression, we found that NUP62 helps alleviate senescence in HDPSCs by enhancing the nuclear transport of the transcription factor E2F1. This, in turn, stimulates the transcription of the epigenetic enzyme NSD2. Finally, the overexpression of NUP62 influences the H3K36me2 and H3K36me3 modifications of anti-aging genes (HMGA1, HMGA2, and SIRT6). Our results demonstrated that NUP62 regulates the fate of HDPSCs via NSD2-dependent epigenetic reprogramming.
Humans
;
Dental Pulp/cytology*
;
Nuclear Pore Complex Proteins/genetics*
;
Cellular Senescence/genetics*
;
Stem Cells/metabolism*
;
Epigenesis, Genetic
;
Cell Proliferation
;
Cell Differentiation
;
Histone-Lysine N-Methyltransferase/metabolism*
;
Cells, Cultured
;
Cellular Reprogramming
;
Cell Movement
;
Proteomics
3.ALKBH5 exacerbates psoriatic dermatitis in mice by promoting angiogenesis.
Chengfang ZHANG ; Fei LI ; Bao CHAI ; Jian JIANG ; Yinlian ZHANG ; Xuemei LI ; Jingyu ZHANG ; Yuqiong HUANG ; Zilin JIN ; Yixuan Wang WAN ; Suwen LIU ; Nan YU ; Hongxiang CHEN
Frontiers of Medicine 2025;19(4):653-664
Psoriasis is a chronic inflammatory skin disease, and its pathogenesis is largely modulated by abnormal angiogenesis. Previous research has indicated that AlkB homolog 5 (ALKBH5), an important demethylase affecting N6-methyladenosine (m6A) modification, plays a role in regulating angiogenesis in cardiovascular and eye diseases. Our present study found that ALKBH5 was upregulated and co-localized with cluster of differentiation 31 (CD31) in the skin of IMQ group compared with control group. ALKBH5-deficient mice decreased IMQ-induced psoriatic dermatitis and exhibited histological improvements, including decreased epidermal thickness, hyperkeratosis, numbers of dermal capillary vessels and inflammatory cell infiltration. ALKBH5-KO mice alleviated angiogenesis in psoriatic lesions by downregulating the protein kinase B (AKT)/mammalian target of rapamycin (mTOR) pathway. Additionally, the expression of ALKBH5 was significantly upregulated in IL-17A-induced human umbilical vein endothelial cells (HUVECs), which further promoted the expression of angiogenesis-related cytokines and endothelial cell proliferation. Cell proliferation and angiogenesis were suppressed in ALKBH5 knockdown group, whereas ALKBH5 overexpression promoted these processes. The regulation of angiogenesis in HUVECs by ALKBH5 was facilitated through the AKT-mTOR pathway. Collectively, ALKBH5 plays a pivotal role in psoriatic dermatitis and angiogenesis, which may offer a new potential targets for treating psoriasis.
Animals
;
Psoriasis/chemically induced*
;
Mice
;
Humans
;
Neovascularization, Pathologic/genetics*
;
Human Umbilical Vein Endothelial Cells/metabolism*
;
AlkB Homolog 5, RNA Demethylase/genetics*
;
Proto-Oncogene Proteins c-akt/metabolism*
;
TOR Serine-Threonine Kinases/metabolism*
;
Cell Proliferation
;
Mice, Knockout
;
Disease Models, Animal
;
Signal Transduction
;
Male
;
Skin/blood supply*
;
Mice, Inbred C57BL
;
Angiogenesis
4.Experience of healthcare professionals in neonatal palliative care: a Meta-synthesis
Chinese Journal of Modern Nursing 2025;31(6):737-745
Objective:To systematically evaluate the qualitative research on the experience of healthcare professionals in neonatal palliative care (NPC) , so as to provide a basis for the development of NPC.Methods:Qualitative and mixed studies on healthcare professionals' experiences of NPC were searched in the Cochrane Library, Embase, PubMed, Web of Science, CINAHL, China National Knowledge Infrastructure, WanFang Data, VIP, and China Biology Medicine disc by computer. The search period was from the establishment of the database to January 31, 2024. Literature quality was evaluated using the quality evaluation criteria for qualitative research of the Australia Joanna Briggs Institute Evidence-Based Health Care Center. Meta-synthesis method was used to integrate the results.Results:A total of 11 articles were included to distill 76 findings, which were ultimately grouped into seven categories and synthesized into three integrative results of significant negative experiences, coping with multiple challenges, learning and growing through practice, and expecting support from multiple sources.Conclusions:Healthcare professionals have a complex experience of NPC, are physically and mentally stressed, and crave a variety of supports. It is recommended to emphasize the experience and needs of healthcare professionals implementing NPC, and to build a multifaceted support system so as to improve the quality of NPC services.
5.Molecular epidemiological investigation of Babesia infection in small mammals in the Jinsha River Basin,Yunnan Province
Fan WANG ; Yun ZHANG ; Zongti SHAO ; Yuqiong LI ; Ennian PU ; Zhihai HE ; Mingguo YAO ; Shuangshuang BIE ; Jiafu JIANG ; Chunhong DU
Chinese Journal of Zoonoses 2025;41(7):767-774
This study was aimed at understanding the Babesia species makeup and distribution in small mammals in Jinsha River Basin of Yunnan Province,and the Babesia carriage status in small mammals in this area,to provide a scientific basis for the preven-tion and control of Babesia disease.A total of 1 493 small mammals belonging to 5 orders,10 families,25 genera,and 54 species were captured from 10 counties(cities)in the Jinsha River Basin of Yunnan Province in various agricultural and forest environments.DNA was extracted from liver and tick tissues,and 150 bp fragments of Babesia 18S rRNA were detected through molecular biological methods.The positive samples showed amplification of a 1 600 bp target fragment of 18S rRNA.Species characteristics were assessed through sequence comparison and phylogenetic analysis.A total of 14 small mammals infected with Babesia were detected in six coun-ties(cities)of Jinsha River Basin,Yunnan Province,with a positivity rate of 0.93%(14/1 493).The Otsu and Kobe types of Babesia voles were analyzed,and their sequences were compared with the sequences from human Babesia cases with high similarity and close evolutionary relationships.The positivity rates were 2.34%(3/128)in Qiaojia County,2.06%(2/97)in Yongshan County,1.88%(4/213)in Yuanmou County,1.03%(3/291)in Deqin County,0.95%(1/105)in Shangri-La City,and 0.78%(1/128)in Shuifu County.The positive small mammals belonged to one order,two families,six genera,and the following eight species:P.leucurus 5.56%(1/18),R.brunneusculus 3.36%(4/119),M.minutus 3.33%(1/30),E.custos 2.94%(1/34),N.confucianus 2.65%(3/113),N.fulvescens 2.35%(2/85),A.latronum 1.16%(1/86),and A.draco 0.98%(1/102).The detection of Babesia in M.minutus was re-poorted first time.Small animals infected with Babesia were detected in all three habitats and altitudes,and higher infection rates were observed in forest regions between 1 500 and 2 500 meters and high-altitude residential areas.Babesia infection was found in many small mammals in several counties(cities)along Jinsha River in Yunnan Province,and the epidemic status of Babesia in these areas warrants attention.
6.Molecular epidemiological investigation of Babesia infection in small mammals in the Jinsha River Basin,Yunnan Province
Fan WANG ; Yun ZHANG ; Zongti SHAO ; Yuqiong LI ; Ennian PU ; Zhihai HE ; Mingguo YAO ; Shuangshuang BIE ; Jiafu JIANG ; Chunhong DU
Chinese Journal of Zoonoses 2025;41(7):767-774
This study was aimed at understanding the Babesia species makeup and distribution in small mammals in Jinsha River Basin of Yunnan Province,and the Babesia carriage status in small mammals in this area,to provide a scientific basis for the preven-tion and control of Babesia disease.A total of 1 493 small mammals belonging to 5 orders,10 families,25 genera,and 54 species were captured from 10 counties(cities)in the Jinsha River Basin of Yunnan Province in various agricultural and forest environments.DNA was extracted from liver and tick tissues,and 150 bp fragments of Babesia 18S rRNA were detected through molecular biological methods.The positive samples showed amplification of a 1 600 bp target fragment of 18S rRNA.Species characteristics were assessed through sequence comparison and phylogenetic analysis.A total of 14 small mammals infected with Babesia were detected in six coun-ties(cities)of Jinsha River Basin,Yunnan Province,with a positivity rate of 0.93%(14/1 493).The Otsu and Kobe types of Babesia voles were analyzed,and their sequences were compared with the sequences from human Babesia cases with high similarity and close evolutionary relationships.The positivity rates were 2.34%(3/128)in Qiaojia County,2.06%(2/97)in Yongshan County,1.88%(4/213)in Yuanmou County,1.03%(3/291)in Deqin County,0.95%(1/105)in Shangri-La City,and 0.78%(1/128)in Shuifu County.The positive small mammals belonged to one order,two families,six genera,and the following eight species:P.leucurus 5.56%(1/18),R.brunneusculus 3.36%(4/119),M.minutus 3.33%(1/30),E.custos 2.94%(1/34),N.confucianus 2.65%(3/113),N.fulvescens 2.35%(2/85),A.latronum 1.16%(1/86),and A.draco 0.98%(1/102).The detection of Babesia in M.minutus was re-poorted first time.Small animals infected with Babesia were detected in all three habitats and altitudes,and higher infection rates were observed in forest regions between 1 500 and 2 500 meters and high-altitude residential areas.Babesia infection was found in many small mammals in several counties(cities)along Jinsha River in Yunnan Province,and the epidemic status of Babesia in these areas warrants attention.
7.Investigation of plague sources in the border port areas of Longchuan County, Yunnan Province in 2022
Zhengxiang LIU ; Yuqiong LI ; Mei HONG ; Wei LIANG ; Qiuxiang YANG ; Shilong YANG ; Cuicui ZHAO ; Zihou GAO ; Zongti SHAO
Chinese Journal of Endemiology 2025;44(6):467-471
Objective:To investigate the host and vector composition of pestis and the epidemic situation of pestis among animals in the border port areas of Longchuan County, Yunnan Province.Methods:In September 2022, a survey was conducted on rodents and their surface parasitic fleas in the border port areas of Longchuan County, according to three habitat types: residential areas, agricultural areas, and forest-shrubbery areas. Samples of murine animals organs and their surface parasitic fleas were collected for isolation and identification of Yersinia pestis. Blood samples of plague indicating animals, such as murine animals, dogs and cats were collected, and serum plague F1 antibody was detected by indirect hemagglutination assay. Meanwhile, a retrospective investigation was conducted on the occurrence of self dead rats, sick rats, and suspected cases in the local area from 2018 to 2022 through interviews with farmers. Results:A total of 168 murine animals belonging to 3 orders, 5 families, 10 genera, and 11 species were captured in three habitats in Longchuan County. Among them, the capture rate in residential areas was 5.00% (30/600), with Rattus tanezumi and Suncus murinus as dominant species, with a composition ratio of 50.00% (15/30). The capture rate in agricultural areas was 9.67% (122/1 262), with Rattus tanezumi and Suncus murinus as dominant species, with a composition ratio of 50.82% (62/122) and 44.26% (54/122), respectively. The capture rate in the forest-shrubbery areas was 6.25% (16/256), with Hylomys suillus and Eothenomys eleusis as dominant species, with a composition ratio of 37.50% (6/16) and 31.25% (5/16), respectively. Among the captured murine animals, 20 individuals carried 52 parasitic fleas, belonging to 2 species of 2 genera and 2 families. The total flea infection rate was 11.90% (20/168), and the total flea index was 0.31 (52/168). The dominant specie was Xenopsylla cheopis (90.38%, 47/52). The flea infection rate in residential areas was 33.33% (10/30), and the flea index was 1.23 (37/30). The flea infection rate in agricultural areas was 7.38% (9/122), and the flea index was 0.11 (14/122). The flea infection rate in the forest-shrubbery areas was 6.25% (1/16), and the flea index was 0.06 (1/16). The samples of murine animals and their parasitic fleas obtained were isolated and cultured by Yersinia pestis, and the results were negative. A total of 144 serum samples from murine animals, dogs and cats were separated, and no F1 antibody against pestis was detected. According to interviews and investigations, no abnormal situations such as a large number of self dead rats, sick rats, and suspected cases were found from 2018 to 2022. Conclusions:No plague epidemic has been found in the border port areas of Longchuan County recently. The main host of plague, Rattus tanezumi, and the main vector, Xenopsylla cheopis, remain the dominant species in this area.
8.Experience of healthcare professionals in neonatal palliative care: a Meta-synthesis
Chinese Journal of Modern Nursing 2025;31(6):737-745
Objective:To systematically evaluate the qualitative research on the experience of healthcare professionals in neonatal palliative care (NPC) , so as to provide a basis for the development of NPC.Methods:Qualitative and mixed studies on healthcare professionals' experiences of NPC were searched in the Cochrane Library, Embase, PubMed, Web of Science, CINAHL, China National Knowledge Infrastructure, WanFang Data, VIP, and China Biology Medicine disc by computer. The search period was from the establishment of the database to January 31, 2024. Literature quality was evaluated using the quality evaluation criteria for qualitative research of the Australia Joanna Briggs Institute Evidence-Based Health Care Center. Meta-synthesis method was used to integrate the results.Results:A total of 11 articles were included to distill 76 findings, which were ultimately grouped into seven categories and synthesized into three integrative results of significant negative experiences, coping with multiple challenges, learning and growing through practice, and expecting support from multiple sources.Conclusions:Healthcare professionals have a complex experience of NPC, are physically and mentally stressed, and crave a variety of supports. It is recommended to emphasize the experience and needs of healthcare professionals implementing NPC, and to build a multifaceted support system so as to improve the quality of NPC services.
9.Strolling through the glorious years of Alveolar Surgery, bravely stepping onto the path of practice and innovation
Yiming WANG ; Yang XUE ; Jihong ZHAO ; Jian PAN ; Duohong ZOU ; Nianhui CUI ; Wei ZHANG ; Qizhang WANG ; Zhizheng LI ; Yuqiong ZHOU ; Kaijin HU
Chinese Journal of Stomatology 2024;59(4):301-311
This article summarizes and organizes relevant publications in journals, along with a review of medical history, systematically summarizing the development process of dental alveolar surgery in China. The initial establishment phase (1935—1952) marked the starting point of Chinese Alveolar Surgery. Despite the impact of wars, it laid the foundation for subsequent research and practice. During the early development phase (1953—1966), the "Chinese Journal of Stomatology" was founded, which promoted the development of Alveolar Surgery. Research focused on tooth extraction methods and complications. Tooth Transplantation and Preprosthetic Surgery gradually began to take off. The stagnant phase (1967—1977) occurred due to the interruption of international exchanges, leading to an almost complete halt in the development of Alveolar Surgery. Entering the rapid catch-up phase (1978—1985), Alveolar Surgery scholars in China began striving to overcome the stagnation of the previous decade. While some progress was made, no significant innovative achievements emerged. In the scientific development phase (1986—2010), clinical research, basic experiments, and paper writing in modern Chinese Alveolar Surgery began to adhere to scientific standards with the rise of experimental medicine. The exploration and innovation stage (2011—2023) is the current development phase, during which Chinese Aveolar Surgery has reached its peak, making substantial progress in technology, clinical practices, and basic research, gradually reaching or even surpassing international advanced levels. Looking back at the development history in China, we can find the wisdom and hard work of the older generation of Alveolar Surgery scholars. However, contemporary challenges and issues, such as standardizing technology, promoting clinical practices, and talent cultivation, need to be addressed by present-day Alveolar Surgery professionals as they forge ahead.
10.Application effect of computer navigation technique in anterior cruciate ligament reconstruction:a meta-analysis
Feng WANG ; Yuxiang MAO ; Xuhua XIE ; Yuqiong SONG ; Jinglong LI
Chongqing Medicine 2024;53(14):2187-2193,2201
Objective To systematically evaluate the accuracy of computer navigation technique in the positioning of bone tunnel location of anterior cruciate ligament reconstruction(ACLR) and its effect on post-operative functional recovery.Methods The controlled trials of computer navigation-assisted ACLR in the da-tabases of Cochrane Library,PubMed,Embase,CNKI,Wanfang and VIP Database were retrieved.The retriev-al time limit was from the establishment of the database to August 2023.According to the inclusion and exclu-sion criteria,the NoteExpress V3.0 software was used to screen the literatures,the Cochrane risk bias assess-ment tool was used to evaluate the quality of the included literatures,and the RevMan5.4 software was used for conducting the meta analysis.Results A total of 10 trials involving 705 patients were included,including 354 cases in the navigation group and 351 cases in the conventional group.The meta analysis results showed that compared with the conventional group,the location positioning of bone tunnel in the navigation group was significantly improved[in femoral side (MD=5.59,95%CI:1.21-9.97,P=0.01) and tibial side (MD=1.32,95%CI:0.20-2.43,P=0.02).However there were no statistically significant differences in the IKDC scores (MD=1.76,95%CI:-0.17 to 3.70,P=0.07),Lysholm scores (MD=0.49,95%CI:-0.16 to 1.14,P=0.14),Tegner scores (MD=-0.08,95%CI:-0.35 to 0.20,P=0.58),KT-1000 anterior shift dis-tance (MD=0.01,95%CI:-0.49 to 0.52,P=0.96),the positive rate of Lachman test (RD=-0.01,95%CI:-0.09 to 0.07,P=0.75) and the positive rate of axial shift test (RD=-0.09,95%CI:-0.22 to 0.04,P=0.20).Conclusion The computer navigation technology is conducive to elevate the accuracy of tibial and femoral tunnel positioning in ACLR,but could not improve the postoperative functional recovery of the pa-tients.

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