1.Practice of clinical pharmacist participating in the treatment of a case of mixed shock caused by severe scrub typhus
Xiaoyan HUANG ; Jingwen XIE ; Yanzhe XIA ; Jia LI
China Pharmacy 2025;36(5):600-605
OBJECTIVE To provide valuable insights for the adjustment of anti-infectious regimens, identification of adverse reactions, and individualized pharmaceutical care in patients with critically severe scrub typhus. METHODS Clinical pharmacists actively participated in the pharmaceutical care process for a patient with severe scrub typhus leading to mixed shock undergoing continuous renal replacement therapy and extracorporeal membrane oxygenation. Initially, the patient received meropenem (1 g, q12 h, ivdrip), in combination with doxycycline (0.1 g, q12 h, po), which was later switched to meropenem (1 g, q8 h, ivdrip) along with omacycline (100 mg, qd, ivdrip) due to impaired gastrointestinal function. However, as the patient’s condition progressively deteriorated and the infection became uncontrolled, the clinical pharmacists recommended that the clinicians adjust the anti-infective regimen to meropenem (2 g, q8 h, ivdrip) combined with tigecycline (100 mg for first dose; 50 mg, q12 h for maintenance; ivdrip). The clinicians followed the advice of the clinical pharmacists. After treatment, the patient’s symptoms exhibited significant improvement, accompanied by a notable decrease in inflammatory markers, indicating that the infection had been successfully controlled. However, due to continuously increasing bilirubin levels, in order to reduce the risk of drug-induced liver injury, the clinicians changed tigecycline to azithromycin (0.5 g, qd, ivdrip) following the recommendation of the clinical pharmacists. RESULTS Ultimately, metagenomic next-generation sequencing of the bronchoalveolar lavage fluid and blood specimens indicated that Orientia tsutsugamushi had been completely eradicated in the patient. CONCLUSIONS Tigecycline may be a viable therapeutic choice for patients with severe scrub typhus. In the context of critically ill patients with scrub typhus, combining tigecycline with azithromycin might potentially enhance the efficacy in eliminating Orientia tsutsugamushi.
2.Effect of Wenyang Huazhuo Formula (温阳化浊方) on Reproductive Aging,Ovarian Mechanical Micro-environment,and Offspring Reproductive Potential in Aged Model Mice
Jiaqi XU ; Xiaoli ZHAO ; Nan JIANG ; Kaixi LI ; Yafei DING ; Zimu WEN ; Yingying JIA ; Mengjun JIANG ; Tian XIA
Journal of Traditional Chinese Medicine 2025;66(6):612-620
ObjectiveTo explore the possible mechanisms of Wenyang Huazhuo Formula (温阳化浊方, WHF) in improving reproductive aging from the perspective of the ovarian mechanical microenvironment. MethodsThe experiment included five groups, 3-month group (20 female mice at 3 months of age), 6-month group (20 female mice at 6 months of age), 6-month + WHF group (20 female mice at 5 months of age treated with WHF), 9-month group (20 female mice at 9 months of age), and 9-month + WHF group (20 female mice at 8 months of age treated with WHF). The 6-month + WHF group and 9-month + WHF group were orally administered WHF 41.2 g/(kg·d) once daily for 4 consecutive weeks. The other three groups received no intervention. Reproductive hormone levels were measured by ELISA. HE staining was used to count the numbers of various stages of follicles. Ovarian hyaluronic acid (HA) content and collagen fiber content were measured to evaluate the ovarian mechanical microenvironment. Superovulation was performed to observe the number of eggs obtained, as well as the number of offspring and birth weight to assess fertility. The in vitro fertilization and blastocyst culture of oocytes from female offspring in each group were observed to evaluate the effect of WHF on offspring reproductive potential. ResultsCompared with the 3-month group, the 6-month group and 9-month group showed significantly decreased serum levels of gonadotropin-releasing hormone (GnRH), follicle-stimulating hormone (FSH), and luteinizing hormone (LH), decreased ovarian collagen content, and reduced numbers of primordial and secondary follicles. In contrast, the numbers of primary follicles, antral follicles, and atretic follicles increased. The levels of anti-Müllerian hormone (AMH), ovarian HA content, and the fertilization rate, cleavage rate, and blastocyst formation rate of oocytes from offspring were significantly lower (P<0.05). Compared with the 6-month group, the 6-month + WHF group showed significantly reduced serum levels of GnRH, FSH, and LH, with a significant decrease in primary follicles, antral follicles, and atretic follicles as well as increase of AMH levels, ovarian HA content, number of primordial and secondary follicle, egg count, and offspring birth weight (P<0.05). Compared with the 9-month group, the 9-month + WHF group exhibited reduced GnRH, FSH, and collagen fiber content, as well as reduced number of primary follicles, antral follicles, and atretic follicles. However, AMH levels, ovarian HA content, number of primordial and secondary follicle, egg count, offspring numbers, birth weight, fertilization rate, cleavage rate, and blastocyst formation rate of oocytes from offspring all significantly increased (P<0.05). ConclusionWHF can significantly improve the ovarian reserve, fertility, and reproductive potential in offspring during reproductive mid-life and late-life stages. Its effect may be related to the remodeling of the mechanical microenvironment of aging ovaries. Moreover, the effect on the mechanical microenvironment remodeling of late-stage ovaries and the improvement of the offspring reproductive potential is more significant.
3.Effect comparison of flat loop with double C-loop Toric intraocular lenses on astigmatism correction based on standard astigmatism vector analysis
Jintao XIA ; Jia LIU ; Mi HAO ; Ting MA ; Lina CHENG
International Eye Science 2025;25(4):632-637
AIM:To compare the effect of AT TORBI 709M and Tecnis ZMT intraocular lenses on astigmatism correction in patients with corneal astigmatism at 3 mo after operation based on the standard astigmatism vector analysis.METHODS: This was a retrospective case-control study. The clinical data of 69 patients(69 eyes)with corneal astigmatism who underwent phacoemulsification and implantation of toric intraocular lens(IOL)from June 2021 to December 2021 in Day Surgery Center of Xi'an No.1 Hospital was analyzed. The patients were divided into two groups. In group one, 38 cases(38 eyes)were implanted with AT TORBI 709M, and 31 patients(31 eyes)with Tecnis ZMT in group two. The axial length, preoperative astigmatism and axis, and the degree of intraocular lens were recorded. The uncorrected distance visual acuity(UCDVA), best corrected distance visual acuity(BCDVA), diopter, residual astigmatism and axis were recorded preoperatively and at 1 wk, 1 and 3 mo postoperatively. The postoperative surgical indicators, including spherical equivalent(SE), target induced astigmatism vector(TIA), surgically induced astigmatism vector(SIA), magnitude of error(ME), absolute value of angle of error(|AE|), absolute value of difference vector(|DV|), correction index(CI), and index of success(IOS)were evaluated by the standard astigmatism vector analysis.RESULTS:Postoperative UCDVA and BCDVA were significantly improved(all P<0.001), and there were statistically significant differences compared to preoperative UCDVA and BCDVA(all P<0.001). While, there was no significant difference in UCDVA and BCDVA between the two groups(P=0.275, 0.124). The standard astigmatism vector analysis showed that a good astigmatism correction was achieved in both AT TORBI 709M group and Tecnis ZMT group, and both |DV| and IOS were close to 0(P=0.329, 0.288). The CI of the AT TORBI 709M group was closer to 1, indicating a better astigmatism correction, while the CI of the Tecnis ZMT group was higher than 1, suggesting an overcorrection of astigmatism. However, the difference between the two groups was not statistically significant(P=0.193). The mean residual astigmatism at 3 mo postoperatively was -0.11±0.91 D in the AT TORBI 709M group and -0.46±0.76 D in the Tecnis ZMT group, respectively, showing no statistically significance difference(t=1.732, P=0.088).CONCLUSION:Both the flat loop AT TORBI 709M and the double C-loop Tecnis ZMT intraocular lenses can effectively improve postoperative visual acuity in patients with regular corneal astigmatism, showing good rotational stability and comparable correction abilities for both astigmatism with the rule and against-the-rule astigmatism.
4.Research on BP Neural Network Method for Identifying Cell Suspension Concentration Based on GHz Electrochemical Impedance Spectroscopy
An ZHANG ; A-Long TAO ; Qi-Hang RAN ; Xia-Yi LIU ; Zhi-Long WANG ; Bo SUN ; Jia-Feng YAO ; Tong ZHAO
Progress in Biochemistry and Biophysics 2025;52(5):1302-1312
ObjectiveThe rapid advancement of bioanalytical technologies has heightened the demand for high-throughput, label-free, and real-time cellular analysis. Electrochemical impedance spectroscopy (EIS) operating in the GHz frequency range (GHz-EIS) has emerged as a promising tool for characterizing cell suspensions due to its ability to rapidly and non-invasively capture the dielectric properties of cells and their microenvironment. Although GHz-EIS enables rapid and label-free detection of cell suspensions, significant challenges remain in interpreting GHz impedance data for complex samples, limiting the broader application of this technique in cellular research. To address these challenges, this study presents a novel method that integrates GHz-EIS with deep learning algorithms, aiming to improve the precision of cell suspension concentration identification and quantification. This method provides a more efficient and accurate solution for the analysis of GHz impedance data. MethodsThe proposed method comprises two key components: dielectric property dataset construction and backpropagation (BP) neural network modeling. Yeast cell suspensions at varying concentrations were prepared and separately introduced into a coaxial sensor for impedance measurement. The dielectric properties of these suspensions were extracted using a GHz-EIS dielectric property extraction method applied to the measured impedance data. A dielectric properties dataset incorporating concentration labels was subsequently established and divided into training and testing subsets. A BP neural network model employing specific activation functions (ReLU and Leaky ReLU) was then designed. The model was trained and tested using the constructed dataset, and optimal model parameters were obtained through this process. This BP neural network enables automated extraction and analytical processing of dielectric properties, facilitating precise recognition of cell suspension concentrations through data-driven training. ResultsThrough comparative analysis with conventional centrifugal methods, the recognized concentration values of cell suspensions showed high consistency, with relative errors consistently below 5%. Notably, high-concentration samples exhibited even smaller deviations, further validating the precision and reliability of the proposed methodology. To benchmark the recognition performance against different algorithms, two typical approaches—support vector machines (SVM) and K-nearest neighbor (KNN)—were selected for comparison. The proposed method demonstrated superior performance in quantifying cell concentrations. Specifically, the BP neural network achieved a mean absolute percentage error (MAPE) of 2.06% and an R² value of 0.997 across the entire concentration range, demonstrating both high predictive accuracy and excellent model fit. ConclusionThis study demonstrates that the proposed method enables accurate and rapid determination of unknown sample concentrations. By combining GHz-EIS with BP neural network algorithms, efficient identification of cell concentrations is achieved, laying the foundation for the development of a convenient online cell analysis platform and showing significant application prospects. Compared to typical recognition approaches, the proposed method exhibits superior capabilities in recognizing cell suspension concentrations. Furthermore, this methodology not only accelerates research in cell biology and precision medicine but also paves the way for future EIS biosensors capable of intelligent, adaptive analysis in dynamic biological research.
5.Self-face Advantage Processing and Its Mechanisms
Xiao-Xia TANG ; Shu-Jia ZHANG ; Ying ZHANG ; Li WANG
Progress in Biochemistry and Biophysics 2025;52(7):1771-1791
Self-face is a unique and highly distinctive stimulus, not shared with others, and serves as a reliable marker of self-awareness. Compared to other faces, self-face processing exhibits several advantages, including the self-face recognition advantage, self-face attention advantage, and self-face positive processing advantage. The self-face recognition advantage manifests as faster and more accurate identification across different orientations and spatial frequency components, supported by enhanced early event-related potential (ERP) components, such as N170. Attentional biases toward self-face are evident in target detection during spatial tasks and the attentional blink effect in temporal paradigms. However, measurement sensitivity, perceptual load, and task demands contribute to some mixed findings. Positive biases further characterize the self-face processing advantage, with individuals perceiving their faces as more attractive or trustworthy than objective representations. These biases even extend to self-similar others, influencing social behaviors such as trust and voting preferences. Self-face processing advantages have been observed at an unconscious level and are regulated by several factors, including self-esteem, cultural differences, and multisensory integration. Cultural and individual differences play a crucial role in shaping self-face advantages. Individuals from Western cultures, which emphasize independent self-construal, exhibit stronger self-face biases compared to those from East Asian collectivist contexts. Self-esteem also modulates self-face advantages: high-self-esteem individuals generally maintain their self-face recognition advantage despite interference, exhibit attentional prioritization of self-faces, and demonstrate enhanced positive associations with subliminal self-faces. In contrast, low-self-esteem individuals display recognition vulnerabilities to social cues, show context-dependent attentional divergence (prioritizing others’ faces in task-oriented settings while prioritizing self-face in free-viewing tasks), and exhibit reversed positive associations with subliminal self-faces. Multisensory integration, such as synchronized visual-tactile cues, enhances self-face advantages and induces perceptual plasticity. This phenomenon is exemplified by the enfacement illusion, in which synchronous visual and tactile inputs update the mental representation of the self-face, leading to assimilation with another face. Neuroanatomically, self-face processing is predominantly lateralized to the right hemisphere and involves a network of brain regions, including the occipital lobe, temporal lobe, frontal lobe, insula, and cingulate gyrus. Disruptions in these networks are linked to self-face processing deficits in socio-cognitive disorders. For instance, autism spectrum disorder (ASD) and schizophrenia are associated with attenuated self-face advantages and abnormal neural activity in regions such as the right inferior frontal gyrus, insula, and posterior cingulate cortex. These findings suggest that self-face processing could serve as a potential biomarker for the early diagnosis and intervention of such disorders. In recent years, researchers have proposed various theoretical explanations for self-face processing and its advantage effects. However, some studies have reported no significant behavioral or neural advantages of self-faces over familiar faces, leaving the specificity of self-face a subject of debate. Further elucidation of self-face specificity requires the adoption of a face association paradigm, which controls for facial familiarity and helps determine whether qualitative differences exist between self-faces and familiar faces. Given the close relationship between self-face processing advantages and socio-cognitive disorders (e.g., ASD, schizophrenia), a deeper understanding of self-face specificity has the potential to provide critical insights into the early identification, classification, and intervention of these disorders. This research holds both theoretical significance and substantial social value.
6.Analysis of syncopal DRVR in blood donors: multicenter hemovigilance data (2020—2023)
Junhong YANG ; Qing XU ; Wenqin ZHU ; Fei TANG ; Ruru HE ; Zhenping LU ; Zhujiang YE ; Fade ZHONG ; Gang WU ; Guoqiang FENG ; Xiaojie GUO ; Jia ZENG ; Xia HUANG
Chinese Journal of Blood Transfusion 2025;38(8):1071-1076
Objective: Data on syncopal donation-related vasovagal reaction (DRVR) collected from 74 blood centers between 2020 and 2023 was statistically analyzed to provide a reference for developing preventive strategies against syncopal DRVR. Methods: Data on blood donation adverse reactions and basic information of donors from 2020 to 2023 were collected through the information management system at monitoring sentinel sites. Statistical analysis was performed on the following aspects of syncopal DRVR: characteristics of donors who experienced syncope, reported incidence, triggers, duration, presence and occurrence time of syncope-related trauma, clinical management including outpatient and inpatient treatment, and severity grading. Results: From 2020 to 2023, 45 966 donation-related adverse reactions were recorded. Of these, 1 665 (3.72%) cases were syncopal DRVR. The incidence of syncopal DRVR decreased with age, being the highest in the 18-22 age group. Incidence was significantly higher in female donors than male donors, in first-time donors than repeat donors, and in university and individual donors than group donors (all P<0.05). There was no statistically significant difference among different blood donation locations (P>0.05). The top three triggers were tension, fatigue, and needle phobia or fear of blood. Among syncopal DRVR cases, 60.36% occurred during blood collection, 87.63% lasted for less than 60 seconds, and 5.05% were accompanied by trauma. Notably, 57.14% of these traumas occurred after donor had left the blood collection site. Syncope severity was graded based on required treatment: grade 1 (fully recovered without treatment, 95.50%); grade 2 (recovered after outpatient treatment, 4.02%); and grade 3 (recovered after inpatient treatment, 0.48%). Conclusion: By analyzing the data of syncopal DRVR cases, it is possible to provide a reference for formulating blood donor safety policies.
7.Expert consensus on the positioning of the "Three-in-One" Registration and Evaluation Evidence System and the value of orientation of the "personal experience"
Qi WANG ; Yongyan WANG ; Wei XIAO ; Jinzhou TIAN ; Shilin CHEN ; Liguo ZHU ; Guangrong SUN ; Daning ZHANG ; Daihan ZHOU ; Guoqiang MEI ; Baofan SHEN ; Qingguo WANG ; Xixing WANG ; Zheng NAN ; Mingxiang HAN ; Yue GAO ; Xiaohe XIAO ; Xiaobo SUN ; Kaiwen HU ; Liqun JIA ; Li FENG ; Chengyu WU ; Xia DING
Journal of Beijing University of Traditional Chinese Medicine 2025;48(4):445-450
Traditional Chinese Medicine (TCM), as a treasure of the Chinese nation, plays a significant role in maintaining public health. In 2019, the Central Committee of the Communist Party of China and the State Council proposed for the first time the establishment of a TCM registration and evaluation evidence system that integrates TCM theory, "personal experience" and clinical trials (referred to as the "Three-in-One" System) to promote the inheritance and innovation of TCM. Subsequently, the National Medical Products Administration issued several guiding principles to advance the improvement and implementation of this system. Owing to the complexity of its implementation, there are still differing understandings within the TCM industry regarding the positioning of the "Three-in-One" Registration and Evaluation Evidence System, as well as the connotation and value orientation of the "personal experience." To address this, Academician WANG Qi, President of the TCM Association, China International Exchange and Promotion Association for Medical and Healthcare and TCM master, led a group of academicians, TCM masters, TCM pharmacology experts and clinical TCM experts to convene a "Seminar on Promoting the Implementation of the ′Three-in-One′ Registration and Evaluation Evidence System for Chinese Medicinals." Through extensive discussions, an expert consensus was formed, clarifying the different roles of the TCM theory, "personal experience" and clinical trials within the system. It was further emphasized that the "personal experience" is the core of this system, and its data should be derived from clinical practice scenarios. In the future, the improvement of this system will require collaborative efforts across multiple fields to promote the high-quality development of the Chinese medicinal industry.
8.Effect and Mechanism of Menispermi Rhizoma Total Alkaloids on Antiviral Infection
Xuejiao WANG ; Qiqi LI ; Yanli YU ; Xia LIU ; Min LI ; Zhe LIU ; Xin JIA ; Yao WANG
Chinese Journal of Experimental Traditional Medical Formulae 2024;30(10):37-44
ObjectiveTo investigate the antiviral effect of Menispermi Rhizoma total alkaloids and its relationship with the type Ⅰ interferon (IFN-Ⅰ) signaling pathway. MethodThe effects of Menispermi Rhizoma total alkaloids on the intracellular replication of influenza A virus (H1N1), vesicular stomatitis virus (VSV), and cerebral myocarditis virus (EMCV) were detected by fluorescent inverted microscope, flow cytometry, Real-time fluorescence quantitative polymerase chain reaction (Real-time PCR), and Western blot. A mouse model infected with H1N1 was constructed, and the mice were divided into a control group, H1N1 model group, Menispermi Rhizoma total alkaloids groups (10, 20, 30 mg·kg-1), and oseltamivir group (40 mg·kg-1), so as to study the effects on the weight and survival rate of infected mice. Real-time PCR was used to detect the activation effect of Menispermi Rhizoma total alkaloids on the IFN-Ⅰ pathway in cells, and the relationship between the antiviral effect of Menispermi Rhizoma total alkaloids in IFNAR1 knockout A549 cells (IFNAR1-/--A549) and IFN-Ⅰ pathway was detected. ResultCompared with the control group, the virus proliferated significantly in the model group (P<0.01). Compared with the model group, Menispermi Rhizoma total alkaloids could significantly inhibit the replication of H1N1, VSV, and EMCV in vitro (P<0.01), inhibit the weight loss of the mice infected with the H1N1 in vivo, and improve the survival rate of mice (P<0.05). In addition, Menispermi Rhizoma total alkaloids activated the IFN-I pathway and relied on this pathway to exert the function of antiviral infection. ConclusionMenispermi Rhizoma total alkaloids exert antiviral effects in vivo and in vitro by activating the IFN-Ⅰ pathway.
9.Research progress on the association between sleep deprivation and inner ear disease
Yuqi JIA ; Yongtao QU ; Xia XU ; Mingli GUO
Chongqing Medicine 2024;53(2):286-290
Inner ear diseases are common in the field of otolaryngology,including hearing loss,tinnitus and peripheral vestibular dysfunction.Their pathogenesis is relatively complex,which is one of the hot spots in current research.A large number of studies have demonstrated that sleep disorder is an important inducement of inner ear diseases.This paper reviews the impact of sleep deprivation on inner ear diseases in order to pro-vide a theoretical basis for the mechanisms of sleep deprivation on inner ear diseases.
10.Improvement effects of limonin on intestinal injury and intestinal flora disturbance in rats with ulcerative colitis and its mechanism
Xia ZHANG ; Huiyu JIA ; Jinwang KANG ; Hanqing ZHAO
China Pharmacy 2024;35(1):51-56
OBJECTIVE To investigate the improvement effects of limonin on intestinal injury and intestinal flora disturbance in rats with ulcerative colitis (UC) and its mechanism. METHODS UC rat models were established, and 70 rats with successful modeling were randomly divided into model group, limonin low-, medium-, and high-dose groups (12.5, 25, 50 mg/kg), and sulfasalazine group (positive control group,500 mg/kg), with 14 rats in each group. Another 14 rats were selected as the control group. After modeling, each group was given the corresponding drug or equal amount of normal saline, once a day, for 2 weeks. Twenty-four hours after the last administration, the general condition of rats was observed and the body weight was measured, and colon tissue was collected for colonic mucosal damage index (CMDI) scoring; the levels of interleukin-1β (IL-1β), IL-6 and tumor necrosis factor-α (TNF-α) in colon tissue were detected; the pathological changes of colon tissue were observed; the protein expressions of Claudin-1, Occludin, ZO-1, high mobility group protein B1 (HMGB1) and receptor for advanced glycation end products (RAGE) in colon tissue were detected; fecal 16S rRNA sequencing was used to detect the relative abundance of zhangxiaxia5287@163.com intestinal microbiota in rats. RESULTS Compared with the control group, the rats in the model group were in poor mental state, with darker fur, irritable mood, disordered arrangement of colon glands, inflammatory cell infiltration, cell necrosis and edema; CMDI score, the levels of IL-1β, IL-6 and TNF-α, protein expressions of HMGB1 and RAGE in colon tissue, the relative abundance of Proteobacteria and Bacteroidetes were significantly increased (P<0.05); body weight, the protein expressions of Claudin-1, Occludin and ZO-1 in colon tissue, the relative abundance of Firmicutes in the intestine were significantly decreased (P<0.05). Compared with the model group, general situation and pathological damage of colonic tissue in limonin groups were improved, the levels of the above indicators were significantly reversed (P<0.05), and in a dose-dependent manner (P<0.05); there was no significant difference in various indexes between sulfasalazine group and limonin high-dose group (P>0.05). CONCLUSIONS Limonin can improve intestinal injury and intestinal flora disturbance in UC model rats, the mechanism of which may be associated with the down-regulation of HMGB1/RAGE signaling pathway.


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