Hemoglobin A1c (HbA1c) has a unique structure that makes monoclonal antibody (mAb) preparation challenging. This study aims to develop a method for preparing HbA1c mAbs and establish a fluorescent immunochromatographic assay (FICA) for rapid detection of HbA1c. Three glycosylated peptides were synthesized and used to prepare complete antigens, which were identified by dot enzyme-linked immunosorbent assay (Dot-ELISA) and ultraviolet absorption spectroscopy. The complete antigens and natural HbA1c were used for cross-immunization of mice, and the optimal complete antigen was selected. The mouse with the highest serum titer was chosen for mAb preparation. The purity and specificity of the mAbs were verified, and a FICA method was developed. The optimal complete antigen, with a titer of 1:512 000, was successfully prepared and selected. Fusion with splenocytes resulted in four specific HbA1c antibodies (purity > 90%). The best antibody exhibited a binding constant (Ka) of 1.67×10¹⁰ L/mol with the antigen. Based on this antibody, a FICA method was successfully established, capable of producing results within 15 min. The method demonstrated a good linear range (3%-13% HbA1c, y=0.071 3x+0.005 6, R²=0.993 7), recovery rates of 98%-102%, precision < 10.00%, and no nonspecific reactions. Clinical testing of 210 samples showed positive agreement of 96.36%, negative agreement of 97.00%, and overall agreement of 96.68%. The receiver operating characteristic (ROC) curve analysis yielded an area under curve (AUC) of 0.980 9 [95% confidence interval (CI): 0.961 0-1.000 0], with high consistency verified in multicenter studies. We successfully developed a key technique for preparing HbA1c monoclonal antibodies and established a FICA method for rapid detection of HbA1c. It will provide an efficient and convenient detection method for the early diagnosis and long-term management of diabetes and its complications.
Antibodies, Monoclonal/biosynthesis* ; Animals ; Mice ; Glycated Hemoglobin/immunology* ; Mice, Inbred BALB C ; Humans ; Antibody Specificity ; Chromatography, Affinity/methods* ; Enzyme-Linked Immunosorbent Assay/methods* ; Female

Objective The occurrence of chickenpox in rapidly developing areas poses substantial seasonal risk to children.However,certain factors influencing local chickenpox outbreaks have not been studied.Here,we examined the relationship between spatial clustering,heterogeneity of chickenpox outbreaks,and socioeconomic factors in Southern China. Methods We assessed chickenpox outbreak data from Southern China between 2006 and 2021,comprising both relatively fast-growing parts and slower sub-regions,and provides a representative sample of many developing regions.We analyzed the spatial clustering attributes associated with chickenpox outbreaks using Moran's I and local indicators of spatial association and quantified their socioeconomic determinants using Geodetector q statistics. Results There were significant spatial heterogeneity in the risk of chickenpox outbreaks,with strong correlations between chickenpox risk and various factors,particularly demographics and living environment.Furthermore,interactive effects among specific are factors,such as population density and per capita residential building area,percentage of households with toilets,percentage of rental housing,exhibited q statistics of 0.28,0.25,and 0.24,respectively. Conclusion This study provides valuable insights into the spatial dynamics of chickenpox outbreaks in rapidly developing regions,revealing the socioeconomic factors affecting disease transmission.These implications extend the formulation of effective public health strategies and interventions to prevent and control chickenpox outbreaks in similar global contexts.

Objective To compare the clinical efficacies among three surgical methods in the treatment of stage Ⅲ Kümmell's disease without neurological symptoms.Methods A total of 71 patients with stage Ⅲ Kümmell's disease without neurological symptoms admitted and treated in the orthopedics department of Af-filiated Yueyang Hospital of Hunan Normal University from September 2019 to April 2022 were selected and divided into three groups:29 cases in the percutaneous vertebroplasty (PVP) group (group A),19 cases in the percutaneous pedicle screw+lesioned vertebral PVP group (group B) and 21 cases in the percutaneous bone cement screw combined with lesioned vertebral PVP group (group C) according to the operation methods.The imaging,perioperative and follow-up indexes were compared among the three groups.Results All patients successfully completed the operation,no serious complications occurred after operation,and the follow-up time was more than 1 year.The sagittal position index (SI value) in the affected vertebra,visual analogue scale (VAS) score and Oswestry Disability Index (ODI) score at each time point (postoperative 1,3 months,1 year) after surgery in the group A were improved compared with before operation (P<0.05).The affected vertebra SI value,kyphosis Cobb angle,spinal canal stenosis rate,VAS score and ODI score at postoperative time points in the group B and C were improved compared with before operation (P<0.05).The affected ver-tebra SI value,kyphosis Cobb angle,spinal canal stenosis rate and ODI score at postoperative time points in the group B and C all were superior to those in the group A (P<0.05),while the affected vertebra SI value,kyphosis Cobb angle and spinal canal stenosis rate in postoperative 1 year in the group C were superior to those in the group B (P<0.05).The operative time,intraoperative bleeding volume,postoperative hospitaliza-tion duration and affected vertebral cement injection volume in the group A were significantly less than those in the group B and C (P<0.05).The operation time in the group B was less than that in the group C (P<0.05).Conclusion The three surgical methods for the treatment of stage Ⅲ Kümmell's disease without neu-rological symptoms all could relieve the symptoms and restore the function.The two surgical methods of pedi-cle screw reduction could more effectively restore the height of the affected vertebra,correct kyphosis malfor-mation and improve spinal stenosis than PVP alone.The pedicle screw has more advantages in maintaining mechanical support and stability after bone cement reinforcement.

Objective:To seek a correlation between short-chain fatty acids (SCFAs) and skill in the activities of daily living (ADL) after an ischemic stroke.Methods:Ninety ischemic stroke survivors were assessed using the Barthel Index (BI). Fecal samples were collected and analyzed for the concentration of acetic acid, propionic acid, butyric acid, isobutyric acid, valeric acid, and isovaleric acid using gas chromatography. Spearman correlation analysis was conducted to identify SCFAs that correlated with the total BI score. Linear regressions were evaluated to explore the correlation between the total BI score and SCFAs.Results:The concentrations of propionic and butyric acids in the feces were found to correlate significantly with the total BI scores. Data including propionic acid and butyric acid levels, age, gender, body mass index, disease duration, any history of hypertension or diabetes, and other SCFAs were included in the regression models. Propionic and butyric acid levels were found to be potentially useful predictors of total BI scores.Conclusions:The concentration of propionic and butyric acids in the feces after an ischemic stroke can predict the survivor′s total BI score. Those concentrations could therefore be useful for predicting ADL ability.

Objective:To compare the clinical efficacy of helical tomotherapy in the treatment of esophageal cancer, explore its influence on nutrition status, blood routine indexes, inflammatory factors and immune function, and analyze its safety.Methods:A total of 124 patients with esophageal cancer treated in Liyang People's Hospital of Jiangsu Province from May 2021 to April 2023 were selected as the study objects, and the patients were divided into the helical tomotherapy group ( n=62) and the modulated arc therapy group ( n=62) according to random number table method. The clinical efficacy, nutritional status [transferrin (TRF), prealbumin (PAB), serum albumin (ALB) ], blood routine indexes [hemoglobin (HGB), neutrophils count, white blood cells (WBC) count, platelets count], the inflammatory factors [C-reactive protein (CRP), interleukin (IL) -6, IL-18, tumor necrosis factor-α (TNF-α) ], immune function indexes [CD3 + T cells, CD4 + T cells, CD4 + T cells/CD8 + T cells ratio, natural killer (NK) cells], and the rate of adverse reactions were statistically analyzed. Results:The disease control rate of treatment in the helical tomotherapy group (88.71%, 55/62) was significantly higher than that in the modulated arc therapy group (74.19%, 46/62), with a statistically significant difference ( χ2=4.32, P=0.038). After treatment, TRF [(178.42±19.24) μg/dl vs. (171.27±18.19) μg/dl, t=2.13, P=0.035], PAB [(0.37±0.11) g/L vs. (0.31±0.09) g/L, t=3.32, P=0.001], ALB [(4.25±0.52) g/dl vs. (4.01±0.58) g/dl, t=2.43, P=0.017] in the helical tomotherapy group were higher than those in the modulated arc therapy group, with statistically significant differences. After treatment, HGB [(125.49±13.87) g/dl vs. (112.37±14.49) g/dl, t=5.21, P<0.001] in the helical tomotherapy group were higher than those in the modulated arc therapy group; neutrophils count [(4.91±0.75) ×10 9/L vs. (5.37±0.84) ×10 9/L, t=3.22, P=0.002], WBC count [(4.96±0.52) ×10 9/L vs. (5.26±0.61) ×10 9/L, t=2.95, P=0.004], platelets count [(227.15±25.38) ×10 9/L vs. (241.37±26.91) ×10 9/L, t=3.03, P=0.003] in the helical tomotherapy group were lower than those in the modulated arc therapy group, with statistically significant differences. After treatment, CRP [(7.76±0.84) mg/dl vs. (8.11±1.01) mg/dl, t=2.10, P=0.038], IL-6 [(6.47±0.81) μg/L vs. (7.16±0.93) μg/L, t=4.41, P<0.001], IL-18 [(191.01±23.14) μg/L vs. (201.62±22.96) μg/L, t=2.56, P=0.012, ) and TNF-α [(3.65±0.41) μg/L vs. (3.82±0.43) μg/L, t=2.25, P=0.026] in the helical tomotherapy group were lower than those in the modulated arc therapy group, with statistically significant differences. After treatment, the proportion of CD3 + T cells [(41.27±5.45) % vs. (35.48±5.17) %, t=6.07, P<0.001], the proportion of CD4 + T cells [(36.11±4.49) % vs. (29.24±9.52) %, t=9.48, P<0.001], CD4 + T cells/CD8 + T cells ratio (1.35±0.19 vs. 1.21±0.13, t=4.79, P<0.001), the proportion of NK cells [(14.68±2.79) % vs. (12.37±1.86) %, t=5.42, P<0.001] in the helical tomotherapy group were higher than those in the modulated arc therapy group, with statistically significant differences. The rate of adverse reactions in the helical tomotherapy group (80.65%, 50/62) was significantly lower than that in the modulated arc therapy group (93.55%, 58/62), with a statistically significant difference ( χ2=4.59, P=0.032) . Conclusion:Helical tomotherapy is more effective than modulated arc therapy in the treatment of esophageal cancer, which can improve nutrition levels, reduce immunity decline, and has high safety.

The pathogenesis of ulcerative colitis(UC)is still unclear,and the pathogenesis based on intestinal mucosal immune imbalance is now widely recognized."Spleen as the defense"refers to the function of the spleen to protect the body and defend against pathogenic factors,which is highly consistent with modern mucosal immunology theory.The abnormal function of"Spleen as the defense"is the key reason for the immune imbalance of UC intestinal mucosa.In this paper,"spleen as the defense"as the starting point,to explore the mechanism of UC intestinal mucosal immune dysfunction,to consolidate the theoretical basis for the treatment of UC based on spleen,and to provide a theoretical basis for the treatment of UC from the perspective of restoring intestinal mucosal immune homeostasis.

Objective To understand the current status and hot spots of research on spleen deficiency syndrome of functional dyspepsia in China,and to provide reference for clinical treatment and mechanism research of this disease.Methods Research literature on spleen deficiency syndrome of functional dyspepsia included in the three major Chinese databases CNKI,Wanfang database and VIP from January 1,2000 to June 16,2023 were searched and manually screened.NoteExpress 3.6.0.9220 was used to screen duplicate research literature and manage them,and CiteSpace 5.7.R5 software was applied to draw cooperative network graphs and tables of authors and their research institutions,construct co-occurrence network graphs and tables of keywords,emergent graphs,clustering network graphs and tables,and clustering timeline graphs,and analyze them one by one.Results A total of 407 research papers on spleen deficiency in functional dyspepsia were included,with an overall fluctuating upward trend in the number of annual publications;the high-producing authors were Tang Xudong,Lv Lin,Wang Fengyun,Zhang Shengsheng,Huang Suiping,Yin Xiaolan,and Ma Xiangxue in order;the research institutions with more publications were Beijing University of Traditional Chinese Medicine,Hunan University of Traditional Chinese Medicine,Xiyuan Hospital of the Chinese Academy of Traditional Medicine,Beijing Hospital of Traditional Chinese Medicine affiliated to Capital Medical University,and the First Affiliated Hospital of Hunan University of Traditional Chinese Medicine,in order;The high-frequency keywords were"functional dyspepsia","liver depression and spleen deficiency","spleen deficiency and qi stagnation","Chinese medicine therapy","clinical research","spleen deficiency syndrome",etc.Accordingly,a list of high-centered keywords(centrality≥0.1),the top 20 emergent words,14 clustering labels and a timeline diagram of research literature were generated.Conclusion The research direction of functional dyspepsia spleen deficiency in China is mainly focused on three aspects:TCM syndrome type,clinical research and mechanism research.

The article reviewed the relevant studies on the treatment of spleen-deficiency syndrome with Chinese herbal formula for invigorating the spleen reported in the last 10 years,focusing on gastrointestinal motility disorders,mitochondrial dysfunction,visceral hypersensitivity,gastrointestinal mechanical barrier destruction,intestinal microecological disorders and immune imbalance.The progress and deficiency of the study on the mechanism of Spleen-Invigorating Traditional Chinese Medicine was summarized and analyzed,in order to provide theoretical support for the research on the related mechanism of the spleen-invigorating Chinese medicine compound,in order to provide reference for the study on the related effective mechanism of Spleen-Invigorating Traditional Chinese Medicine.

Thirty refractory relapsed acute myeloid leukemia (R/R AML) patients who received salvage allo-HSCT with MeCBA conditioning regimen from January 2018 to June 2022 at Henan Cancer Hospital were included, and their clinical data were reviewed. There were 16 males and 14 females among the 30 patients with a median age of 37 (16-53) years. There were 3 sibling allograft donor transplants, 1 unrelated donor transplant, and 26 haplotype transplants. The median course of pre-transplant chemotherapy was 4 (3-22). The time of neutrophil engraftment was 14 (9-22) days and 18 (10-40) days for platelet. The 30-day cumulative incidence of neutrophil engraftment was 100% and the 100-day cumulative incidence of platelet engraftment was 96.7% (95% CI 85.4% -97.5% ). 22 (73.3% ) patients experienced grade 1-2 gastrointestinal reactions, and there was no grade 3-4 organ toxicity. With a median follow-up of 37.1 months, the overall survival (OS) rate, event-free survival (EFS) rate, cumulative recurrence rate (CIR), and non-recurrence mortality (NRM) rate at 3 years after transplantation were 70.0% (95% CI 50.3% -83.1% ), 65.3% (95% CI 44.8% -79.8% ), 21.2% (95% CI 9.2% -44.4% ) and 16.7% (95% CI 7.3% -35.5% ), respectively.

Pan-immune inflammation value (PIV) is a comprehensive immune inflammatory biomarker based on complete blood cell counts, which has been proven to predict treatment response and survival outcomes for different types of tumors. However, the predictive value of the PIV varies in different strategies for tumor treatment. This paper aims to systematically review the latest progress of PIV in predicting survival outcomes and tumor prognosis for immunotherapy, radiotherapy, targeted therapy, endocrine therapy, surgical treatment and neoadjuvant therapy, and analyze its existing challenges and issues, as well as look forward to its future development direction and application prospects.