1.Clinical trial of pidotimod combined with budesonide suspension for inhalation in the treatment of recurrent respiratory tract infections in children
Guan-Jie JIN ; Yan ZHAO ; Xiao-Yun ZHAO
The Chinese Journal of Clinical Pharmacology 2024;40(3):307-311
Objective To observe the clinical efficacy and safety of pidomoide oral solution combined with budesonide suspension for inhalation in the treatment of recurrent respiratory tract infections(RRTIs)in children.Methods Children with recurrent respiratory tract infection were divided into control and treatment groups according to cohort methods.Control group was given the initial dose of pidotimod oral solution 400 mg bid,adjusted to 400 mg each time after 10 days of continuous treatment,qd;treatment group was given budesonide suspension for inhalation 0.5 mg atomized inhalation therapy on the basis of control group,bid;both groups were treated for 8 weeks.The disappearance time of clinical symptoms,humoral immunity[immunoglobulin G(IgG),immunoglobulin M(IgM),immunoglobulin A(IgA)],cytokine[human insulin-like growth factor-1(IGF-1),monocyte chemotactic protein-1(MCP-1),and cyclooxygenase-2(COX-2)]levels in the 2 groups were compared.The clinical efficacy of the children was evaluated and the incidence of adverse drug reactions was counted.Results A total of 47 cases were enrolled in the control group and 53 cases in the treatment group.The total clinical effective rate of treatment group and control group was 92.45%and 76.60%,respectively,and the difference was statistically significant(P<0.05).After treatment,the difference of clinical symptom disappearance time between treatment group and control group was statistically significant(P<0.05).After treatment,IgG levels in treatment group and control group were(11.26±0.85)and(10.92±0.69)g·L-1;IgM levels were(1.58±0.35)and(1.23±0.32)g·L-1;IgA levels were(1.57±0.24)and(1.36±0.30)g.L-1;IGF-1 levels were(149.67±25.81)and(130.24±24.73)μg·mL-1;MCP-1 levels were(71.35±11.89)and(99.36±12.27)pg·mL-1;COX-2 levels were(16.87±4.59)and(20.53±4.83)U·L-1.Compared with the control group,the above indexes in treatment group were statistically significant(all P<0.05).There was no significant difference in the incidence of adverse drug reactions between treatment group and control group(11.32%vs 6.38%,P>0.05).Conclusion Pidotimod oral solution combined with budesonide suspension for inhalation can significantly relieve the clinical symptoms of children with RRTIs,improve humoral immunity,improve clinical efficacy,and have high safety.
2.Discrete element modeling and breakage behavior analysis of oral solid dosage form particles
Lin-xiu LUO ; Tian-bing GUAN ; An-qi LUO ; Zeng LIU ; Yu-ting WANG ; Yan-ling JIANG ; Zheng LU ; Jing-cao TANG ; Shuang-kou CHEN ; Hui-min SUN ; Chuan-yun DAI
Acta Pharmaceutica Sinica 2024;59(4):1057-1066
The breakage pattern of unit particles during the production of oral solid dosage forms (OSD) is closely related to the quality of intermediate or final products. To accurately characterize the particles and study the evolution law of particle breakage, the Bonding model of the discrete element method (DEM) was used to investigate the breakage patterns of model parameters, particle shape and process conditions (loading mode and loading rate) on the dynamic breakage, force-time curve, breakage rate, maximum breakage size ratio and fracture strength of particles. The results showed that the particle breakage force was positively correlated with normal strength and bonded disk scale, negatively correlated with normal stiffness per unit area and tangential stiffness per unit area, and weakly correlated with tangential strength. The particle breakage rate was negatively correlated with the aspect ratio of the particles, and the maximum breakage size ratio was positively correlated with the aspect ratio of the particles; among the three loading modes, the breakage rate of compression breakage model was the largest, the breakage rate of shear breakage model was the second largest, and the breakage rate of wear breakage model was the smallest; the maximum breakage size ratio was positively correlated with the loading rate, the loading mode and the loading rate had no mutual influence on particle breakage rate, but had mutual influence on the maximum breakage size ratio. The research results will provide a theoretical basis for the shift of OSD from batch manufacturing to advanced manufacturing.
3.Emerging role of Jumonji domain-containing protein D3 in inflammatory diseases
Li XIANG ; Chen RU-YI ; Shi JIN-JIN ; Li CHANG-YUN ; Liu YAN-JUN ; Gao CHANG ; Gao MING-RONG ; Zhang SHUN ; Lu JIAN-FEI ; Cao JIA-FENG ; Yang GUAN-JUN ; Chen JIONG
Journal of Pharmaceutical Analysis 2024;14(9):1282-1300
Jumonji domain-containing protein D3(JMJD3)is a 2-oxoglutarate-dependent dioxygenase that specif-ically removes transcriptional repression marks di-and tri-methylated groups from lysine 27 on histone 3(H3K27me2/3).The erasure of these marks leads to the activation of some associated genes,thereby influencing various biological processes,such as development,differentiation,and immune response.However,comprehensive descriptions regarding the relationship between JMJD3 and inflammation are lacking.Here,we provide a comprehensive overview of JMJD3,including its structure,functions,and involvement in inflammatory pathways.In addition,we summarize the evidence supporting JMJD3's role in several inflammatory diseases,as well as the potential therapeutic applications of JMJD3 inhibitors.Additionally,we also discuss the challenges and opportunities associated with investigating the functions of JMJD3 and developing targeted inhibitors and propose feasible solutions to provide valuable insights into the functional exploration and discovery of potential drugs targeting JMJD3 for inflammatory diseases.
4.Postmortem Diffusion of Aconitum Alkaloids and Their Metabolites in Rabbits
Jia-Hao LIANG ; Ming CHENG ; Xiao-Jun LU ; Yan-Hua SHI ; Yun SUN ; Qing-Lin GUAN ; Tao WANG ; Meng HU ; Ke-Ming YUN ; Hai-Yan CUI
Journal of Forensic Medicine 2024;40(2):186-191
Objective To explore the postmortem diffusion rule of Aconitum alkaloids and their metabo-lites in poisoned rabbits,and to provide a reference for identifying the antemortem poisoning or post-mortem poisoning of Aconitum alkaloids.Methods Twenty-four rabbits were sacrificed by tracheal clamps.After 1 hour,the rabbits were administered with aconitine LD50 in decocting aconite root powder by intragastric administration.Then,they were placed supine and stored at 25℃.The biological samples from 3 randomly selected rabbits were collected including heart blood,peripheral blood,urine,heart,liver,spleen,lung and kidney tissues at 0 h,4 h,8 h,12 h,24 h,48 h,72 h and 96 h after intragastric administration,respectively.Aconitum alkaloids and their metabolites in the biological samples were ana-lyzed by high performance liquid chromatography-tandem mass spectrometry(HPLC-MS/MS).Results At 4 h after intragastric administration,Aconitum alkaloids and their metabolites could be detected in heart blood,peripheral blood and major organs,and the contents of them changed dynamically with the preservation time.The contents of Aconitum alkaloids and their metabolites were higher in the spleen,liver and lung,especially in the spleen which was closer to the stomach.The average mass fraction of benzoylmesaconine metabolized in rabbit spleen was the highest at 48 h after intragastric administration.In contrast,the contents of Aconitum alkaloids and their metabolites in kidney were all lower.Aconi-tum alkaloids and their metabolites were not detected in urine.Conclusion Aconitum alkaloids and their metabolites have postmortem diffusion in poisoned rabbits,diffusing from high-content organs(stomach)to other major organs and tissues as well as the heart blood.The main mechanism is the dispersion along the concentration gradient,while urine is not affected by postmortem diffusion,which can be used as the basis for the identification of antemortem and postmortem Aconitum alkaloids poisoning.
5.Morphological classification and molecular identification of Hyalomma asiaticum in parts of Xindi Township,Xinjiang
Xiao-Qing ZAN ; Qiao-Yun REN ; Jin LUO ; Yan-Long WANG ; Pei-Wen DIAO ; Li-Yan CHE ; Jian-Xun LUO ; Hong YIN ; Gui-Quan GUAN ; Guang-Yuan LIU ; Hong-Xi ZHAO
Chinese Journal of Zoonoses 2024;40(4):289-294
The purpose of this study was to identify the tick species native to Xindi Township,Yumin County,Xinjiang,China.Preliminary morphological identification of parasitic ticks collected from animals in the area was conducted with an ultra-depth of field three-dimensional VHX 600 digital stereo microscope.Total DNA of the ticks was extracted,amplified by PCR based on the COI and ITS2 gene loci,and the posi-tive PCR products were sequenced.The sequence were a-ligned with reference sequences from the NCBI database were aligned with the Basic Local Alignment Search Tool.A genet-ic phylogenetic tree was generated with the neighbor-joining method of MEGA 7.0 software to determine the evolutionary biological characteristics of ticks.Morphological identification showed that the ticks collected from Xindi Township of Yu-min County were consistent with the characteristics of Hya-lomma asiaticum.An evolutionary tree based on the COI and ITS2 gene sequences showed that the ticks collected in this study were clustered with known H.asiaticum sequences.The PCR products of COI and ITS2 were sequenced and compared,which confirmed that the collected tick species were H.asiaticum,in agreement with the morphological and molecular biological results.These findings help to clarify the distribution of ticks in Xindi Township of Xinjiang,and provide basic data for the analysis of tick genetic and evolutionary characteristics,as reference for surveillance and control of ticks in the Xinjiang Uygur Autonomous Region.
6.Value of contrast-enhanced ultrasonography in microwave ablation treatment of symptomatic focal uterine adenomyosis
Xiao-Long LI ; Jia-Xin LI ; Song-Yuan YU ; Pei-Li FAN ; Yun-Jie JIN ; Er-Jiao XU ; Sai-Nan GUAN ; Er-Ya DENG ; Qiu-Yan LI ; Zheng-Biao JI ; Jiu-Ling QI ; Hui-Xiong XU ;
Ultrasonography 2024;43(1):68-77
Purpose:
This study evaluated the value of contrast-enhanced ultrasonography (CEUS) in the ultrasound-guided microwave ablation (MWA) treatment of symptomatic focal uterine adenomyosis.
Methods:
This retrospective study was conducted between March 2020 and January 2023, enrolling 52 patients with symptomatic focal uterine adenomyosis who had undergone MWA. All patients were examined with CEUS before and after MWA. The non-perfused volume (NPV) was compared between CEUS and dynamic contrast-enhanced magnetic resonance imaging (DCEMRI) following ablation. Therapeutic efficacy and safety were evaluated at 3-, 6-, and 12-month follow-ups. Additionally, this study explored the correlations between pre-treatment CEUS features and a volume reduction ratio indicating sufficient ablation, defined as 50% or more at the 3-month follow-up.
Results:
No significant differences in NPV were noted between CEUS and DCE-MRI immediately after MWA and during follow-up (all P>0.05). At the 3-month follow-up, the median VRRs for the uterus and adenomyosis were 33.2% and 63.9%, respectively. Sufficient ablation was achieved in 69.2% (36/52) of adenomyosis cases, while partial ablation was observed in the remaining 30.8% (16/52). The identification of non-enhancing areas on pre-treatment CEUS was associated with sufficient ablation (P=0.016). At the 12-month follow-up, significant decreases were observed in both the uterine and adenomyosis volumes (all P<0.001). Dysmenorrhea and menorrhagia were significantly alleviated at 12 months, and no major complications were encountered.
Conclusion
CEUS can be used to evaluate the ablation zone of focal adenomyosis that has been treated with MWA, similarly to DCE-MRI. The identification of non-enhancing areas on pretreatment CEUS indicates satisfactory treatment outcomes.
7.Value of contrast-enhanced ultrasonography in microwave ablation treatment of symptomatic focal uterine adenomyosis
Xiao-Long LI ; Jia-Xin LI ; Song-Yuan YU ; Pei-Li FAN ; Yun-Jie JIN ; Er-Jiao XU ; Sai-Nan GUAN ; Er-Ya DENG ; Qiu-Yan LI ; Zheng-Biao JI ; Jiu-Ling QI ; Hui-Xiong XU ;
Ultrasonography 2024;43(1):68-77
Purpose:
This study evaluated the value of contrast-enhanced ultrasonography (CEUS) in the ultrasound-guided microwave ablation (MWA) treatment of symptomatic focal uterine adenomyosis.
Methods:
This retrospective study was conducted between March 2020 and January 2023, enrolling 52 patients with symptomatic focal uterine adenomyosis who had undergone MWA. All patients were examined with CEUS before and after MWA. The non-perfused volume (NPV) was compared between CEUS and dynamic contrast-enhanced magnetic resonance imaging (DCEMRI) following ablation. Therapeutic efficacy and safety were evaluated at 3-, 6-, and 12-month follow-ups. Additionally, this study explored the correlations between pre-treatment CEUS features and a volume reduction ratio indicating sufficient ablation, defined as 50% or more at the 3-month follow-up.
Results:
No significant differences in NPV were noted between CEUS and DCE-MRI immediately after MWA and during follow-up (all P>0.05). At the 3-month follow-up, the median VRRs for the uterus and adenomyosis were 33.2% and 63.9%, respectively. Sufficient ablation was achieved in 69.2% (36/52) of adenomyosis cases, while partial ablation was observed in the remaining 30.8% (16/52). The identification of non-enhancing areas on pre-treatment CEUS was associated with sufficient ablation (P=0.016). At the 12-month follow-up, significant decreases were observed in both the uterine and adenomyosis volumes (all P<0.001). Dysmenorrhea and menorrhagia were significantly alleviated at 12 months, and no major complications were encountered.
Conclusion
CEUS can be used to evaluate the ablation zone of focal adenomyosis that has been treated with MWA, similarly to DCE-MRI. The identification of non-enhancing areas on pretreatment CEUS indicates satisfactory treatment outcomes.
8.Value of contrast-enhanced ultrasonography in microwave ablation treatment of symptomatic focal uterine adenomyosis
Xiao-Long LI ; Jia-Xin LI ; Song-Yuan YU ; Pei-Li FAN ; Yun-Jie JIN ; Er-Jiao XU ; Sai-Nan GUAN ; Er-Ya DENG ; Qiu-Yan LI ; Zheng-Biao JI ; Jiu-Ling QI ; Hui-Xiong XU ;
Ultrasonography 2024;43(1):68-77
Purpose:
This study evaluated the value of contrast-enhanced ultrasonography (CEUS) in the ultrasound-guided microwave ablation (MWA) treatment of symptomatic focal uterine adenomyosis.
Methods:
This retrospective study was conducted between March 2020 and January 2023, enrolling 52 patients with symptomatic focal uterine adenomyosis who had undergone MWA. All patients were examined with CEUS before and after MWA. The non-perfused volume (NPV) was compared between CEUS and dynamic contrast-enhanced magnetic resonance imaging (DCEMRI) following ablation. Therapeutic efficacy and safety were evaluated at 3-, 6-, and 12-month follow-ups. Additionally, this study explored the correlations between pre-treatment CEUS features and a volume reduction ratio indicating sufficient ablation, defined as 50% or more at the 3-month follow-up.
Results:
No significant differences in NPV were noted between CEUS and DCE-MRI immediately after MWA and during follow-up (all P>0.05). At the 3-month follow-up, the median VRRs for the uterus and adenomyosis were 33.2% and 63.9%, respectively. Sufficient ablation was achieved in 69.2% (36/52) of adenomyosis cases, while partial ablation was observed in the remaining 30.8% (16/52). The identification of non-enhancing areas on pre-treatment CEUS was associated with sufficient ablation (P=0.016). At the 12-month follow-up, significant decreases were observed in both the uterine and adenomyosis volumes (all P<0.001). Dysmenorrhea and menorrhagia were significantly alleviated at 12 months, and no major complications were encountered.
Conclusion
CEUS can be used to evaluate the ablation zone of focal adenomyosis that has been treated with MWA, similarly to DCE-MRI. The identification of non-enhancing areas on pretreatment CEUS indicates satisfactory treatment outcomes.
9.Value of contrast-enhanced ultrasonography in microwave ablation treatment of symptomatic focal uterine adenomyosis
Xiao-Long LI ; Jia-Xin LI ; Song-Yuan YU ; Pei-Li FAN ; Yun-Jie JIN ; Er-Jiao XU ; Sai-Nan GUAN ; Er-Ya DENG ; Qiu-Yan LI ; Zheng-Biao JI ; Jiu-Ling QI ; Hui-Xiong XU ;
Ultrasonography 2024;43(1):68-77
Purpose:
This study evaluated the value of contrast-enhanced ultrasonography (CEUS) in the ultrasound-guided microwave ablation (MWA) treatment of symptomatic focal uterine adenomyosis.
Methods:
This retrospective study was conducted between March 2020 and January 2023, enrolling 52 patients with symptomatic focal uterine adenomyosis who had undergone MWA. All patients were examined with CEUS before and after MWA. The non-perfused volume (NPV) was compared between CEUS and dynamic contrast-enhanced magnetic resonance imaging (DCEMRI) following ablation. Therapeutic efficacy and safety were evaluated at 3-, 6-, and 12-month follow-ups. Additionally, this study explored the correlations between pre-treatment CEUS features and a volume reduction ratio indicating sufficient ablation, defined as 50% or more at the 3-month follow-up.
Results:
No significant differences in NPV were noted between CEUS and DCE-MRI immediately after MWA and during follow-up (all P>0.05). At the 3-month follow-up, the median VRRs for the uterus and adenomyosis were 33.2% and 63.9%, respectively. Sufficient ablation was achieved in 69.2% (36/52) of adenomyosis cases, while partial ablation was observed in the remaining 30.8% (16/52). The identification of non-enhancing areas on pre-treatment CEUS was associated with sufficient ablation (P=0.016). At the 12-month follow-up, significant decreases were observed in both the uterine and adenomyosis volumes (all P<0.001). Dysmenorrhea and menorrhagia were significantly alleviated at 12 months, and no major complications were encountered.
Conclusion
CEUS can be used to evaluate the ablation zone of focal adenomyosis that has been treated with MWA, similarly to DCE-MRI. The identification of non-enhancing areas on pretreatment CEUS indicates satisfactory treatment outcomes.
10.Value of contrast-enhanced ultrasonography in microwave ablation treatment of symptomatic focal uterine adenomyosis
Xiao-Long LI ; Jia-Xin LI ; Song-Yuan YU ; Pei-Li FAN ; Yun-Jie JIN ; Er-Jiao XU ; Sai-Nan GUAN ; Er-Ya DENG ; Qiu-Yan LI ; Zheng-Biao JI ; Jiu-Ling QI ; Hui-Xiong XU ;
Ultrasonography 2024;43(1):68-77
Purpose:
This study evaluated the value of contrast-enhanced ultrasonography (CEUS) in the ultrasound-guided microwave ablation (MWA) treatment of symptomatic focal uterine adenomyosis.
Methods:
This retrospective study was conducted between March 2020 and January 2023, enrolling 52 patients with symptomatic focal uterine adenomyosis who had undergone MWA. All patients were examined with CEUS before and after MWA. The non-perfused volume (NPV) was compared between CEUS and dynamic contrast-enhanced magnetic resonance imaging (DCEMRI) following ablation. Therapeutic efficacy and safety were evaluated at 3-, 6-, and 12-month follow-ups. Additionally, this study explored the correlations between pre-treatment CEUS features and a volume reduction ratio indicating sufficient ablation, defined as 50% or more at the 3-month follow-up.
Results:
No significant differences in NPV were noted between CEUS and DCE-MRI immediately after MWA and during follow-up (all P>0.05). At the 3-month follow-up, the median VRRs for the uterus and adenomyosis were 33.2% and 63.9%, respectively. Sufficient ablation was achieved in 69.2% (36/52) of adenomyosis cases, while partial ablation was observed in the remaining 30.8% (16/52). The identification of non-enhancing areas on pre-treatment CEUS was associated with sufficient ablation (P=0.016). At the 12-month follow-up, significant decreases were observed in both the uterine and adenomyosis volumes (all P<0.001). Dysmenorrhea and menorrhagia were significantly alleviated at 12 months, and no major complications were encountered.
Conclusion
CEUS can be used to evaluate the ablation zone of focal adenomyosis that has been treated with MWA, similarly to DCE-MRI. The identification of non-enhancing areas on pretreatment CEUS indicates satisfactory treatment outcomes.

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