1.Clinical rapid evaluation of proprotein convertase subtilisin/kexin type 9 inhibitors for hypercholesterolemia
Xin YAO ; Fengjiao KANG ; Qinan YIN ; Lizhu HAN ; Yuan BIAN
China Pharmacy 2026;37(2):149-154
OBJECTIVE To conduct a clinical rapid evaluation of the marketed proprotein convertase subtilisin/kexin type 9 (PCSK9) inhibitors in China, including evolocumab, tafolecimab, recaticimab, ebronucimab, ongericimab and inclisiran. METHODS Based on the Rapid Guide for Drug Evaluation and Selection in Chinese Medical Institutions (second edition), drug instructions, clinical diagnosis and treatment guidelines, and literature for six drugs were retrieved from CNKI, Wanfang Data, VIP, PubMed, Embase, Cochrane Library and related official websites. The clinical rapid evaluation was conducted from five aspects: pharmaceutical characteristics, effectiveness, safety, economy, and other attributes. RESULTS The pharmaceutical characteristics, effectiveness, safety, economy, other attributes, and total score of evolocumab scored 24, 27, 15.7, 10, 5.3, and 82 points, respectively. Tafolecimab scored 23.5, 23, 11.5, 9.97, 4.6, and 72.57 points, respectively. Recaticimab scored 20.5, 22, 15.5, 6.37, 3.5, and 67.87 points. Ebronucimab scored 20, 23, 11, 6.48, 3.5, and 63.98 points. Ongericimab scored 20.5, 23, 8.5, 4.83, 3.5, and 60.33 points. Inclisiran scored 25.5, 24, 13, 6.48, 5, and 73.98 points. CONCLUSIONS Evolocumab is the optimal choice for treating hypercholesterolemia and is recommended as the first-line option. Tafolecimab is the second-line option, and recaticimab is suitable for patients who are sensitive to drug adverse reactions. Inclisiran is suitable for patients with poor compliance. Ebronucimab and ongericimab are weakly recommended due to their later market introduction. Clinicians should make individualized drug selections based on factors such as patient risk level and compliance requirements.
2.Influencing factors for calcium salt deposition in patients with alveolar echinococcosis
Zitong XIONG ; Zhiyi LIN ; Yanxin HUANG ; Fuzhong FANG ; Zhengzhan WU ; Zirui XIN ; Chunxia HU ; Jiayu ZHOU ; Yuan YAO ; Hongwei ZHANG
Journal of Clinical Hepatology 2026;42(2):372-379
ObjectiveTo investigate the imaging features of calcium salt deposition and serological markers in patients with alveolar echinococcosis through a retrospective analysis, as well as independent risk factors for the degree of calcium salt deposition in lesions, and to provide a basis for assessing disease process. MethodsA retrospective analysis was performed for the imaging and clinical data of 107 patients with alveolar echinococcosis who were admitted to The First Affiliated Hospital of Shihezi University from December 2023 to June 2025, and according to the volume of calcium salt deposition, they were divided into non-deposition group with 16 patients, mild deposition group with 52 patients, moderate deposition group with 16 patients, and severe deposition group with 23 patients. A one-way analysis of variance or the Kruskal-Wallis H test was used for comparison of continuous data between groups, and the χ2 test or Fisher’s exact test was used for comparison of categorical data between groups. The four groups were further combined into the low deposition group (no/mild deposition) and the high deposition group (moderate/severe deposition). A binary logistic regression analysis was used to investigate the independent influencing factors for calcium salt deposition, and a predictive model was established. The receiver operating characteristic (ROC) curve was used to assess the predictive performance of the model, and the Bootstrap method was used for internal validation. ResultsThere were significant differences between the four groups in sex distribution, involvement of other sites, white blood cell count, lymphocyte percentage, fibrinogen, uric acid, sodium ion, chloride ion, and calcium ion (all P<0.05). The univariate analysis showed that there were significant differences between the four groups in sex, involvement of other sites, white blood cell count, lymphocyte percentage, fibrinogen, alanine aminotransferase, albumin, creatinine, uric acid, sodium ion, chloride ion, and calcium ion (all P<0.1). The multi-collinearity diagnosis showed that the VIF values for all continuous variables ranged from 1.104 to 1.760, suggesting that collinearity did not affect modeling. An ordinal logistic regression model was established based on sex, involvement of other sites, calcium ion, lymphocyte percentage, and uric acid. The multivariate analysis showed that lymphocyte percentage (odds ratio [OR]=1.106, 95% confidence interval [CI]: 1.041 — 1.174, P=0.001) and blood calcium level (OR=0.005, 95%CI: 0.000 —0.230, P=0.007) were independent influencing factors for the degree of calcium salt deposition. The regression equation was established as Logit(P)=8.231 + 0.100 × lymphocyte percentage -5.344 × calcium ion. The ROC curve analysis showed that the model had an area under the ROC curve of 0.716, with a Youden index of 0.353, a sensitivity of 1.000, and a specificity of 0.353. The Hosmer-Lemeshow test showed that the model had poor calibration (χ2=20.688, P=0.008). The Bootstrap method with 1000 repeated samples showed that the estimated values of lymphocyte percentage (OR=1.106, 95%CI: 1.049 — 1.186, P=0.002) and calcium ion (OR=0.005, 95%CI: 0.000 — 0.214, P=0.010) were consistent with the original model, and the confidence intervals did not include 1, which further supported the reliability of the model. ConclusionBoth lymphocyte percentage and blood calcium level are independent influencing factors for calcium salt deposition in alveolar echinococcosis, and the degree of calcium salt deposition in alveolar echinococcosis lesions increases with the reduction in blood calcium level and the increase in lymphocyte percentage.
3.Expert consensus on the clinical application of parenteral direct thrombin inhibitors in special populations
Xin YAO ; Yuan BIAN ; Lizhu HAN ; Qinan YIN ; Yang LEI ; Zimeng WAN ; Luyao HUANG ; Danjie ZHAO ; Yu YAN ; Qin LI ; Baorong HU
China Pharmacy 2026;37(8):965-975
OBJECTIVE To form an expert consensus addressing clinical issues regarding the use of parenteral direct thrombin inhibitors (DTIs) in special populations. METHODS Led by the Sichuan Academy of Medical Sciences & Sichuan Provincial People’s Hospital(the Affiliated Hospital of UESTC), a multidisciplinary working group was formed comprising experts from multiple fields, including clinical pharmacy, cardiac surgery, obstetrics, pediatrics and evidence-based medicine. Through literature review and the Delphi method, clinical questions regarding the efficacy and safety of parenteral DTIs used in special populations were identified. A structured design was adopted using the “Population-Intervention-Comparison-Outcome” (PICO) framework;systematic searches were conducted in CJFD, PubMed, Embase and other databases. Relevant evidence from randomized controlled trials,cohort studies and systematic reviews were included and synthesized. Evidence quality was assessed using the Grading of Recommendations Assessment,Development and Evaluation (GRADE) approach, and recommendations were formulated through three rounds of Delphi surveys and expert consensus meetings. RESULTS &CONCLUSIONS Seven clinical questions were ultimately selected (with a consensus rate exceeding 90%), resulting in the formulation of seven recommendations on the use of parenteral DTIs in special populations, including children, pregnant women, patients with hepatic or renal impairment, patients with mesenteric venous thrombosis, and individuals with thrombophilia. These recommendations clarify the preferred agents, dosing ranges, monitoring parameters, and safety management strategies for parenteral DTIs in these special populations. This expert consensus, which is formulated based on the best available evidence, provides evidence-based guidance for standardized and individualized use of parenteral DTIs in special populations.
4.The Critical Roles of GABAergic Interneurons in The Pathological Progression of Alzheimer’s Disease
Ke-Han CHEN ; Zheng-Jiang YANG ; Zi-Xin GAO ; Yuan YAO ; De-Zhong YAO ; Yin YANG ; Ke CHEN
Progress in Biochemistry and Biophysics 2025;52(9):2233-2240
Alzheimer’s disease (AD), a progressive neurodegenerative disorder and the leading cause of dementia in the elderly, is characterized by severe cognitive decline, loss of daily living abilities, and neuropsychiatric symptoms. This condition imposes a substantial burden on patients, families, and society. Despite extensive research efforts, the complex pathogenesis of AD, particularly the early mechanisms underlying cognitive dysfunction, remains incompletely understood, posing significant challenges for timely diagnosis and effective therapeutic intervention. Among the various cellular components implicated in AD, GABAergic interneurons have emerged as critical players in the pathological cascade, playing a pivotal role in maintaining neural network integrity and function in key brain regions affected by the disease. GABAergic interneurons represent a heterogeneous population of inhibitory neurons essential for sustaining neural network homeostasis. They achieve this by precisely modulating rhythmic oscillatory activity (e.g., theta and gamma oscillations), which are crucial for cognitive processes such as learning and memory. These interneurons synthesize and release the inhibitory neurotransmitter GABA, exerting potent control over excitatory pyramidal neurons through intricate local circuits. Their primary mechanism involves synaptic inhibition, thereby modulating the excitability and synchrony of neural populations. Emerging evidence highlights the significant involvement of GABAergic interneuron dysfunction in AD pathogenesis. Contrary to earlier assumptions of their resistance to the disease, specific subtypes exhibit vulnerability or altered function early in the disease process. Critically, this impairment is not merely a consequence but appears to be a key driver of network hyperexcitability, a hallmark feature of AD models and potentially a core mechanism underlying cognitive deficits. For instance, parvalbumin-positive (PV+) interneurons display biphasic alterations in activity. Both suppressing early hyperactivity or enhancing late activity can rescue cognitive deficits, underscoring their causal role. Somatostatin-positive (SST+) neurons are highly sensitive to amyloid β-protein (Aβ) dysfunction. Their functional impairment drives AD progression via a dual pathway: compensatory hyperexcitability promotes Aβ generation, while released SST-14 forms toxic oligomers with Aβ, collectively accelerating neuronal loss and amyloid deposition, forming a vicious cycle. Vasoactive intestinal peptide-positive (VIP+) neurons, although potentially spared in number early in the disease, exhibit altered firing properties (e.g., broader spikes, lower frequency), contributing to network dysfunction (e.g., in CA1). Furthermore, VIP release induced by 40 Hz sensory stimulation (GENUS) enhances glymphatic clearance of Aβ, demonstrating a direct link between VIP neuron function and modulation of amyloid pathology. Given their central role in network stability and their demonstrable dysfunction in AD, GABAergic interneurons represent promising therapeutic targets. Current research primarily explores three approaches: increasing interneuron numbers (e.g., improving cortical PV+ interneuron counts and behavior in APP/PS1 mice with the antidepressant citalopram; transplanting stem cells differentiated into functional GABAergic neurons to enhance cognition), enhancing neuronal activity (e.g., using low-dose levetiracetam or targeted activation of specific molecules to boost PV+ interneuron excitability, restoring neural network γ‑oscillations and memory; non-invasive neuromodulation techniques like 40 Hz repetitive transcranial magnetic stimulation (rTMS), GENUS, and minimally invasive electroacupuncture to improve inhibitory regulation, promote memory, and reduce Aβ), and direct GABA system intervention (clinical and animal studies reveal reduced GABA levels in AD-affected brain regions; early GABA supplementation improves cognition in APP/PS1 mice, suggesting a therapeutic time window). Collectively, these findings establish GABAergic interneuron intervention as a foundational rationale and distinct pathway for AD therapy. In conclusion, GABAergic interneurons, particularly the PV+, SST+, and VIP+ subtypes, play critical and subtype-specific roles in the initiation and progression of AD pathology. Their dysfunction significantly contributes to network hyperexcitability, oscillatory deficits, and cognitive decline. Understanding the heterogeneity in their vulnerability and response mechanisms provides crucial insights into AD pathogenesis. Targeting these interneurons through pharmacological, neuromodulatory, or cellular approaches offers promising avenues for developing novel, potentially disease-modifying therapies.
5.Avatrombopag for platelet engraftment after allogeneic hematopoietic stem cell transplantation in children: a retrospective clinical study.
Xin WANG ; Yuan-Yuan REN ; Xia CHEN ; Chao-Qian JIANG ; Ran-Ran ZHANG ; Xiao-Yan ZHANG ; Li-Peng LIU ; Yu-Mei CHEN ; Li ZHANG ; Yao ZOU ; Fang LIU ; Xiao-Juan CHEN ; Wen-Yu YANG ; Xiao-Fan ZHU ; Ye GUO
Chinese Journal of Contemporary Pediatrics 2025;27(10):1233-1239
OBJECTIVES:
To evaluate the efficacy and safety of avatrombopag in promoting platelet engraftment after allogeneic hematopoietic stem cell transplantation (allo-HSCT) in children, compared with recombinant human thrombopoietin (rhTPO).
METHODS:
A retrospective analysis was conducted on 53 pediatric patients who underwent allo-HSCT at the Institute of Hematology and Blood Diseases Hospital, Chinese Academy of Medical Sciences from April 2023 to August 2024. Based on medications used during the periengraftment period, patients were divided into two groups: the avatrombopag group (n=15) and the rhTPO group (n=38).
RESULTS:
At days 14, 30, and 60 post-transplant, platelet engraftment was achieved in 20% (3/15), 60% (9/15), and 93% (14/15) of patients in the avatrombopag group, and in 39% (15/38), 82% (31/38), and 97% (37/38) in the rhTPO group, respectively. There were no significant differences between the two groups in platelet engraftment rates at each time point, cumulative incidence of platelet engraftment, overall survival, and relapse-free survival (all P>0.05). Multivariable Cox proportional hazards analysis indicated that acute graft-versus-host disease was an independent risk factor for delayed platelet engraftment (P=0.043).
CONCLUSIONS
In children undergoing allo-HSCT, avatrombopag effectively promotes platelet engraftment, with efficacy and safety comparable to rhTPO, and represents a viable therapeutic option.
Humans
;
Retrospective Studies
;
Hematopoietic Stem Cell Transplantation/adverse effects*
;
Male
;
Female
;
Child
;
Child, Preschool
;
Infant
;
Adolescent
;
Transplantation, Homologous
;
Blood Platelets/drug effects*
;
Thiazoles/therapeutic use*
;
Thrombopoietin/therapeutic use*
;
Thiophenes
6.Efficacy and Safety of Chinese Medicine Resuscitation Pack for Enhanced Recovery after Bronchoscopy: A Randomized, Single-Blind, Placebo-Controlled Clinical Trial.
Xin-Yuan TAN ; Yao YAO ; Jing-Min XIAO ; Yuan-Bin CHEN ; Ming LIN ; Xiao-Shan ZHANG ; Dan-Yan CAI ; Zhen-Hu WU ; Li-Li SUN ; Fei-Ting FAN ; Yin-Ji XU
Chinese journal of integrative medicine 2025;31(5):441-447
OBJECTIVE:
To evaluate the efficacy and safety of a hospital-made resuscitation pack, a Chinese medicinal herbal compound formula designed to enhance recovery in post-bronchoscopy patients.
METHODS:
In this randomized, single-blind, placebo-controlled clinical trial, eligible patients were randomly assigned 1:1 to either the treatment or control groups. The patients in the treatment group applied the resuscitation pack, which contained aromatic compounded Chinese herbs. The patients in the control group applied a hospital-made, single herb placebo pack. Packs were placed on the Tiantu (CV 22) acupuncture point for 4 h as soon as the bronchoscopy finished. Efficacy indicators, such as recovery time, patients' symptoms including nausea and dizziness, and adverse events (AEs) were observed and compared. The outcome indices were evaluated at baseline, 1 and 24 h after the bronchoscopy. Subgroup analysis was further performed by patients' age and depth of sedation.
RESULTS:
When applying generalized estimating equations (GEE) to evaluate the intensity of post-bronchoscopy nausea and vomiting, the intensity was lower in the treatment group (163 cases) compared with the control group (162 cases; 95% CI: 0.004, 0.099, P=0.03]. Also, significantly lower intensity of nausea was observed in the 60-70 years of age subgroup (95% CI: 0.029, 0.169, P=0.006) and deep sedation subgroup (95% CI: 0.002, 0.124; P=0.04). There was no significant difference in dizziness between two groups by GEE (95% CI: -0.134, 0.297; P=0.459). In addition, no serious AEs were observed in either group.
CONCLUSIONS
Our study found that the resuscitation pack markedly improved patients' symptoms by reducing nausea and vomiting after bronchoscopy without AEs, compared with placebo in the perioperative period. (Trial registration No. ChiCTR2000038299).
Humans
;
Male
;
Middle Aged
;
Female
;
Bronchoscopy/adverse effects*
;
Single-Blind Method
;
Aged
;
Drugs, Chinese Herbal/adverse effects*
;
Treatment Outcome
;
Resuscitation
;
Adult
;
Medicine, Chinese Traditional
7.Aldolase A accelerates hepatocarcinogenesis by refactoring c-Jun transcription.
Xin YANG ; Guang-Yuan MA ; Xiao-Qiang LI ; Na TANG ; Yang SUN ; Xiao-Wei HAO ; Ke-Han WU ; Yu-Bo WANG ; Wen TIAN ; Xin FAN ; Zezhi LI ; Caixia FENG ; Xu CHAO ; Yu-Fan WANG ; Yao LIU ; Di LI ; Wei CAO
Journal of Pharmaceutical Analysis 2025;15(7):101169-101169
Hepatocellular carcinoma (HCC) expresses abundant glycolytic enzymes and displays comprehensive glucose metabolism reprogramming. Aldolase A (ALDOA) plays a prominent role in glycolysis; however, little is known about its role in HCC development. In the present study, we aim to explore how ALDOA is involved in HCC proliferation. HCC proliferation was markedly suppressed both in vitro and in vivo following ALDOA knockout, which is consistent with ALDOA overexpression encouraging HCC proliferation. Mechanistically, ALDOA knockout partially limits the glycolytic flux in HCC cells. Meanwhile, ALDOA translocated to nuclei and directly interacted with c-Jun to facilitate its Thr93 phosphorylation by P21-activated protein kinase; ALDOA knockout markedly diminished c-Jun Thr93 phosphorylation and then dampened c-Jun transcription function. A crucial site Y364 mutation in ALDOA disrupted its interaction with c-Jun, and Y364S ALDOA expression failed to rescue cell proliferation in ALDOA deletion cells. In HCC patients, the expression level of ALDOA was correlated with the phosphorylation level of c-Jun (Thr93) and poor prognosis. Remarkably, hepatic ALDOA was significantly upregulated in the promotion and progression stages of diethylnitrosamine-induced HCC models, and the knockdown of A ldoa strikingly decreased HCC development in vivo. Our study demonstrated that ALDOA is a vital driver for HCC development by activating c-Jun-mediated oncogene transcription, opening additional avenues for anti-cancer therapies.
8.A Retrospective Study of Pregnancy and Fetal Outcomes in Mothers with Hepatitis C Viremia.
Wen DENG ; Zi Yu ZHANG ; Xin Xin LI ; Ya Qin ZHANG ; Wei Hua CAO ; Shi Yu WANG ; Xin WEI ; Zi Xuan GAO ; Shuo Jie WANG ; Lin Mei YAO ; Lu ZHANG ; Hong Xiao HAO ; Xiao Xue CHEN ; Yuan Jiao GAO ; Wei YI ; Yao XIE ; Ming Hui LI
Biomedical and Environmental Sciences 2025;38(7):829-839
OBJECTIVE:
To investigate chronic hepatitis C virus (HCV) infection's effect on gestational liver function, pregnancy and delivery complications, and neonatal development.
METHODS:
A total of 157 HCV antibody-positive (anti-HCV[+]) and HCV RNA(+) patients (Group C) and 121 anti-HCV(+) and HCV RNA(-) patients (Group B) were included as study participants, while 142 anti-HCV(-) and HCV RNA(-) patients (Group A) were the control group. Data on biochemical indices during pregnancy, pregnancy complications, delivery-related information, and neonatal complications were also collected.
RESULTS:
Elevated alanine aminotransferase (ALT) rates in Group C during early, middle, and late pregnancy were 59.87%, 43.95%, and 42.04%, respectively-significantly higher than Groups B (26.45%, 15.70%, 10.74%) and A (23.94%, 19.01%, 6.34%) ( P < 0.05). Median ALT levels in Group C were significantly higher than in Groups A and B at all pregnancy stages ( P < 0.05). No significant differences were found in neonatal malformation rates across groups ( P > 0.05). However, neonatal jaundice incidence was significantly greater in Group C (75.16%) compared to Groups A (42.25%) and B (57.02%) ( χ 2 = 33.552, P < 0.001). HCV RNA positivity during pregnancy was an independent risk factor for neonatal jaundice ( OR = 2.111, 95% CI 1.242-3.588, P = 0.006).
CONCLUSIONS
Chronic HCV infection can affect the liver function of pregnant women, but does not increase the pregnancy or delivery complication risks. HCV RNA(+) is an independent risk factor for neonatal jaundice.
Humans
;
Female
;
Pregnancy
;
Adult
;
Pregnancy Complications, Infectious/epidemiology*
;
Retrospective Studies
;
Pregnancy Outcome
;
Infant, Newborn
;
Viremia/virology*
;
Hepatitis C
;
Hepacivirus/physiology*
;
Hepatitis C, Chronic/virology*
;
Young Adult
;
Alanine Transaminase/blood*
9.Therapeutic efficacy and mechanism of artesunate for mouse model of polycystic ovary syndrome
Xueling WANG ; Peiling ZHONG ; Zhipeng ZHAO ; Fei CHEN ; Xin LIU ; Sijia LIU ; Lie YUAN ; Lu FANG ; Qianyi YAO ; Xiong YANG ; Chao LIU ; Jiakun CHENG ; Yongqing CAI ; Xiaoli LI ; Weihong LI
Journal of Army Medical University 2025;47(3):193-204
Objective To investigate the therapeutic efficacy of artesunate(AS)on polycystic ovary syndrome(PCOS)in mice and explore the potential mechanism primarily.Methods Twenty-five female C57BL/6J mice were randomly divided into Control group,model group(PCOS group),low-and high-dose AS groups(AS15 and AS30 groups)and metformin group(Met group).In addition to the Control group,the mouse model of PCOS was established by subcutaneous injection of dehydroepiandrosterone(DHEA,60 mg/kg)following by a high-fat diet for 21 d.After modeling,AS of 15 and 30 mg/kg was intraperitoneally injected into the mice of the AS 15 and AS30 groups,respectively,and 200 mg/kg Met was given to those of the Met group by gavage,once per day,for 6 weeks.ELISA was used to detect serum testosterone(T),fasting insulin(FINS),luteinizing hormone(LH)and follicle-stimulating hormone(FSH),and the LH/FSH ratio was calculated.The levels of fasting blood glucose(FBG),triglyceride(TG)and total cholesterol(TC)were detected by automatic biochemical analyzer,and the homeostasis model assessment of insulin resistance(HOMA-IR)was calculated.The estrous cycle was observed,and HE staining was performed for pathological changes in the ovary and uterus.Immunofluorescence assay was employed to measure the expression of p-eIF2α,ATF4 and CHOP in the ovarian tissue.After steroidogenic human granulosa-like tumor cell line KGN were exposed to 100 μmol/L DHEA to simulate the hyperandrogen environment of PCOS,and then treated with 5 and 10 μg/mL AS for 24 h,the protein levels of endoplasmic reticulum stress signaling pathway was detected by Western blotting.Results Compared with the Control group,the PCOS mice had disturbed estrous cycle,polycystic changes in the ovaries,and significantly increased serum T level and LH/FSH ratio(P<0.05),and obviously elevated HOMA-IR,TC and TG levels in terms of metabolism(P<0.01).The expression levels of p-eIF2α,ATF4 and CHOP were notably up-regulated in the ovarian granulosa cells of PCOS mice and KGN cells after DHEA exposure(P<0.05).Additionally,AS treatment attenuated the pathological changes of ovary and uterine expression,decreased the serum T level and the LH/FSH ratio(P<0.05),and reduced HOMA-IR,TC and TG levels(P<0.05)when compared with the PCOS mice.Moreover,the expression levels of p-eIF2α,ATF4 and CHOP were significantly down-regulated after AS treatment in both ovarian granulosa cells of PCOS mice and KGN cells(P<0.05).Conclusion AS significantly improves glycolipid metabolic disorder and reproductive dysfunction in PCOS mice,which may be associated with its suppressing endoplasmic reticulum stress by inhibiting the PERK/eIF2α/ATF4/CHOP pathway.
10.Relationship between C-reactive protein/prealbumin ratio and severity of illness and onset in patients with primary knee osteoarthritis
Yifan WANG ; Tianwen XIN ; Jing YUAN ; Yueping TANG ; Zhe YAO
International Journal of Laboratory Medicine 2025;46(4):409-413
Objective To investigate the relationship between the ratio of C-reactive protein(CRP)/preal-bumin(PAB)and severity of illness and onset in patients with primary knee osteoarthritis(KOA).Methods A total of 102 patients with primary KOA admitted to a hospital from October 2018 to October 2023 were selected as the study group,and 100 healthy people in a hospital during the same period were select-ed as the control group.According to the Kelgren-Lawrence(K-L)grading criteria,102 patients with primary KOA were divided into K-L grade Ⅰ group(n=21),K-L grade Ⅱ group(n=27),K-L grade Ⅲ group(n=34),and K-L grade Ⅳ group(n=20).The levels of CRP and PAB were measured by automatic biochemical analyzer,and the ratio of CRP/PAB was calculated.The predictive value of CRP,PAB and CRP/PAB ratio to the incidence of primary KOA was analyzed by receiver operating characteristic curve,and the influencing fac-tors of the incidence of primary KOA patients were analyzed by multivariate Logistic regression.Results There were significant differences in CRP,PAB and CRP/PAB ratio among primary KOA patients with different K-L grades(P<0.05).The total score of Western Ontario and McMaster Universities Osteoar-thritis Index(WOMAC)for primary KOA patients from K-L group Ⅰ to K-L group Ⅳ were(40.91±5.18),(46.08±9.21),(51.24±7.46),(65.83±12.93)points,respectively.The difference was statistically signifi-cant(P<0.05).In patients with primary KOA,CRP and CRP/PAB ratio were positively correlated with K-L grade and WOMAC total score,while PAB was negatively correlated with K-L grade and WOMAC total score(P<0.05).CRP and CRP/PAB ratio in study group were higher than those in control group,and PAB level was lower than those in control group,the differences were statistically significant(P<0.05).The area under the curve(AUC)and 95%CI of CRP and PAB levels were 0.781(0.736-0.831)and 0.853(0.781-0.876),respectively,and the AUC of CRP/PAB ratio was 0.937(0.892-0.987).Conclusion CRP and CRP/PAB ratio are highly expressed in patients with primary KOA,and PAB is low expressed in patients with pri-mary KOA,which is related to the severity of illness and onset in patients,and can be used as a potential marker to predict the severity of illness and onset in patients with primary KOA.

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