1.Zuoguiwan Mitigates Oxidative Stress in Rat Model of Hyperthyroidism Due to Kidney-Yin Deficiency via DRD4/NOX4 Pathway
Ling LIN ; Qianming LIANG ; Changsheng DENG ; Li RU ; Zhiyong XU ; Chao LI ; Mingshun SHEN ; Yueming YUAN ; Muzi LI ; Lei YANG
Chinese Journal of Experimental Traditional Medical Formulae 2026;32(2):43-51
ObjectiveTo decipher the mechanism by which Zuoguiwan (ZGW) treat hyperthyroidism in rats with kidney-Yin deficiency based on the dopamine receptor D4 (DRD4)/nicotinamide adenine dinucleotide phosphate (NADPH) oxidase 4 (NOX4) signaling pathway. MethodsThe rat model of kidney-Yin deficiency was induced by unilateral intramuscular injection of dexamethasone (0.35 mg·kg-1). After successful modeling, the rats were randomized into model, methimazole (positive control, 5 mg·kg-1), low-, medium-, and high-dose (1.85, 3.70, 7.40 g·kg-1, respectively) ZGW, and normal control groups. After 21 days of continuous gavage, the behavioral indexes and body weight changes of rats were evaluated. The pathological changes of the renal tissue were observed by hematoxylin-eosin staining. The serum levels of thyroid hormones [triiodothyronine (T3), thyroxine (T4), thyroid-stimulating hormone (TSH)], renal function indexes [serum creatine (Scr) and blood urea nitrogen (BUN)], energy metabolism markers [cyclic adenosine monophosphate (cAMP) and cyclic guanosine monophosphate (cGMP)], and oxidative stress-related factors [superoxide dismutase (SOD), malondialdehyde (MDA), and NADPH)] were measured by enzyme-linked immunosorbent assay (ELISA). Western blot was employed to analyze the expression of DRD4, NOX4, mitochondrial respiratory chain complex proteins [NADH:ubiquinone oxidoreductase subunit S4 (NDUFS4) and cytochrome C oxidase subunit 4 (COX4)], and inflammation-related protein [tumor necrosis factor-alpha (TNF-α), interleukin-6 (IL-6), p38 mitogen-activated protein kinase (MAPK)] pathway in the renal tissue. ResultsCompared with the normal group, the model group showed mental malaise, body weight decreases (P<0.01), inflammatory cell infiltration in the renal tissue, a few residual parotid glands in the thyroid, elevations in serum levels of T3, T4, Scr, BUN, cAMP, cAMP/cGMP, MDA, and NADPH (P<0.01), down-regulation in protein levels of TSH, SOD, and DRD4 (P<0.05, P<0.01), and up-regulation in expression of NOX4, p-p38 MAPK/p38 MAPK, and inflammatory factors (P<0.01). Compared with the model group, ZGW increased the body weight (P<0.05, P<0.01), reduced the infiltration of renal interstitial inflammatory cells, restored the thyroid structure and follicle size, lowered the serum levels of T3, T4, Scr, BUN, cAMP, cAMP/cGMP, MDA and NADPH (P<0.05, P<0.01), up-regulated the expression of TSH, SOD and DRD4 (P<0.05, P<0.01), and down-regulated the expression of NOX4, p-p38 MAPK/p38 MAPK, and inflammatory factors (P<0.05, P<0.01). Moreover, high-dose ZGW outperformed methimazole (P<0.05). ConclusionBy activating DRD4, ZGW can inhibit the expression of NOX4 mediated by the p38 MAPK pathway, reduce oxidative stress and inflammatory response, thereby ameliorating the pathological state of hyperthyroidism due to kidney-Yin deficiency. This study provides new molecular mechanism support for the clinical application of ZGW.
2.Exploring Mechanism of Yiqi Huoxue Jiedu Formula in Alleviating Immune Cell Exhaustion in Sepsis Based on Transcriptomics and Metabolomics
Rui CHEN ; Qiusha PAN ; Kaiqiang ZHONG ; Shuqi MA ; Wei HUANG ; Jiahua LAI ; Ruifeng ZENG ; Xiaotu XI ; Jun LI
Chinese Journal of Experimental Traditional Medical Formulae 2026;32(3):109-118
ObjectiveTo observe the effects of Yiqi Huoxue Jiedu formula(YHJF) on immune cell exhaustion in the spleen of septic mice and to explore and validate its potential intervention targets. MethodsMice were randomly divided into the sham-operated, model, low-dose YHJF(4.1 g·kg-1), and high-dose YHJF(8.2 g·kg-1) groups. Except for the sham-operated group, a cecal ligation and puncture(CLP) procedure was performed to establish a mouse sepsis model. The treatment groups received oral administration of the corresponding doses, while the sham-operated and model groups received an equal volume of physiological saline. After the intervention, the 7-day survival rate of each group was recorded, and spleen samples were collected 72 h post-intervention, and the spleen index was calculated. Terminal deoxynucleotidyl transferase deoxyuridine triphosphate(dUTP) nick end labeling(TUNEL) staining was used to detect apoptosis in spleen cells. Enzyme-linked immunosorbent assay(ELISA) was performed to measure the levels of interleukin(IL)-4 and IL-10 in the serum. Transcriptomics and metabolomics were used to screen for differentially expressed genes(DEGs) and differential metabolites in the spleen, followed by bioinformatics analysis to identify key targets. Real-time quantitative polymerase chain reaction(Real-time PCR), flow cytometry, and multiplex immunofluorescence were used to verify the expressions of key genes and proteins. ResultsThe high-dose YHJF group significantly improved the 7-day survival rate of septic mice(P0.05). Compared with the sham-operated group, the model group showed a significant increase in apoptosis of spleen cells and a decrease in the spleen index at 72 h post-modeling, with markedly elevated peripheral serum IL-4 and IL-10 levels(P0.01). Compared with the model group, the high-dose YHJF group showed a reduction in apoptosis of spleen cells, an increase in the spleen index, and a significant decrease in peripheral serum IL-4 and IL-10 levels(P0.05). Spleen transcriptomics identified 255 DEGs between groups, potentially serving as intervention targets for YHJF. Gene Ontology(GO) enrichment analysis revealed that DEGs were mainly involved in biological processes such as natural killer(NK) cell-mediated positive immune regulation, cell killing, cytokine production, positive regulation of innate immune cells, and interferon production. Kyoto Encyclopedia of Genes and Genomes(KEGG) pathway enrichment analysis showed that DEGs were mainly involved in cytokine-cytokine receptor interactions, viral protein interactions with cytokines and cytokine receptors, chemokine signaling pathway, and nuclear transcription factor-κB(NF-κB) signaling pathway. Protein-protein interaction(PPI) network analysis identified CD160, granzyme B(GZMB), and chemokine ligand 4(CCL4) as key targets for YHJF in treating sepsis. Metabolomics identified 46 differential metabolites that were significantly reversed by YHJF intervention, and combined transcriptomics and metabolomics analysis identified 17 differential metabolites closely related to CD160. Pathway enrichment revealed that these metabolites were mainly involved in glycerophospholipid metabolism, arachidonic acid metabolism, glycosylphosphatidylinositol(GPI) anchor biosynthesis, linoleic acid metabolism, and α-linolenic acid metabolism pathways. Verification results showed that, compared with the sham-operated group, the model group exhibited significantly elevated CD160 mRNA expression level in the spleen, along with markedly decreased CCL4 and GZMB mRNA expression, and had a significant increase in CD160 expression on the surface of natural killer T(NKT) cells in the spleen(P0.01). Compared with the model group, the high-dose YHJF group had a significant decrease in CD160 mRNA expression in the spleen, a significant increase in CCL4 and GZMB mRNA expressions. Further flow cytometry and immunofluorescence revealed that compared with the sham-operated group, CD160 expression on the surface of splenic NKT cells in the model group was significantly increased(P0.01), while high-dose YHJF intervention significantly reduced CD160 expression(P0.01). ConclusionYHJF may alleviate NKT cell exhaustion in sepsis by downregulating the expression of the negative co-stimulatory molecule CD160, and this regulatory effect is closely related to fatty acid metabolism pathways. This study provides new insights and targets for further exploration of strengthening vital Qi and detoxifying strategy to improve immune cell exhaustion in acute deficiency syndrome of sepsis.
3.Exploring Mechanism of Yiqi Huoxue Jiedu Formula in Alleviating Immune Cell Exhaustion in Sepsis Based on Transcriptomics and Metabolomics
Rui CHEN ; Qiusha PAN ; Kaiqiang ZHONG ; Shuqi MA ; Wei HUANG ; Jiahua LAI ; Ruifeng ZENG ; Xiaotu XI ; Jun LI
Chinese Journal of Experimental Traditional Medical Formulae 2026;32(3):109-118
ObjectiveTo observe the effects of Yiqi Huoxue Jiedu formula(YHJF) on immune cell exhaustion in the spleen of septic mice and to explore and validate its potential intervention targets. MethodsMice were randomly divided into the sham-operated, model, low-dose YHJF(4.1 g·kg-1), and high-dose YHJF(8.2 g·kg-1) groups. Except for the sham-operated group, a cecal ligation and puncture(CLP) procedure was performed to establish a mouse sepsis model. The treatment groups received oral administration of the corresponding doses, while the sham-operated and model groups received an equal volume of physiological saline. After the intervention, the 7-day survival rate of each group was recorded, and spleen samples were collected 72 h post-intervention, and the spleen index was calculated. Terminal deoxynucleotidyl transferase deoxyuridine triphosphate(dUTP) nick end labeling(TUNEL) staining was used to detect apoptosis in spleen cells. Enzyme-linked immunosorbent assay(ELISA) was performed to measure the levels of interleukin(IL)-4 and IL-10 in the serum. Transcriptomics and metabolomics were used to screen for differentially expressed genes(DEGs) and differential metabolites in the spleen, followed by bioinformatics analysis to identify key targets. Real-time quantitative polymerase chain reaction(Real-time PCR), flow cytometry, and multiplex immunofluorescence were used to verify the expressions of key genes and proteins. ResultsThe high-dose YHJF group significantly improved the 7-day survival rate of septic mice(P0.05). Compared with the sham-operated group, the model group showed a significant increase in apoptosis of spleen cells and a decrease in the spleen index at 72 h post-modeling, with markedly elevated peripheral serum IL-4 and IL-10 levels(P0.01). Compared with the model group, the high-dose YHJF group showed a reduction in apoptosis of spleen cells, an increase in the spleen index, and a significant decrease in peripheral serum IL-4 and IL-10 levels(P0.05). Spleen transcriptomics identified 255 DEGs between groups, potentially serving as intervention targets for YHJF. Gene Ontology(GO) enrichment analysis revealed that DEGs were mainly involved in biological processes such as natural killer(NK) cell-mediated positive immune regulation, cell killing, cytokine production, positive regulation of innate immune cells, and interferon production. Kyoto Encyclopedia of Genes and Genomes(KEGG) pathway enrichment analysis showed that DEGs were mainly involved in cytokine-cytokine receptor interactions, viral protein interactions with cytokines and cytokine receptors, chemokine signaling pathway, and nuclear transcription factor-κB(NF-κB) signaling pathway. Protein-protein interaction(PPI) network analysis identified CD160, granzyme B(GZMB), and chemokine ligand 4(CCL4) as key targets for YHJF in treating sepsis. Metabolomics identified 46 differential metabolites that were significantly reversed by YHJF intervention, and combined transcriptomics and metabolomics analysis identified 17 differential metabolites closely related to CD160. Pathway enrichment revealed that these metabolites were mainly involved in glycerophospholipid metabolism, arachidonic acid metabolism, glycosylphosphatidylinositol(GPI) anchor biosynthesis, linoleic acid metabolism, and α-linolenic acid metabolism pathways. Verification results showed that, compared with the sham-operated group, the model group exhibited significantly elevated CD160 mRNA expression level in the spleen, along with markedly decreased CCL4 and GZMB mRNA expression, and had a significant increase in CD160 expression on the surface of natural killer T(NKT) cells in the spleen(P0.01). Compared with the model group, the high-dose YHJF group had a significant decrease in CD160 mRNA expression in the spleen, a significant increase in CCL4 and GZMB mRNA expressions. Further flow cytometry and immunofluorescence revealed that compared with the sham-operated group, CD160 expression on the surface of splenic NKT cells in the model group was significantly increased(P0.01), while high-dose YHJF intervention significantly reduced CD160 expression(P0.01). ConclusionYHJF may alleviate NKT cell exhaustion in sepsis by downregulating the expression of the negative co-stimulatory molecule CD160, and this regulatory effect is closely related to fatty acid metabolism pathways. This study provides new insights and targets for further exploration of strengthening vital Qi and detoxifying strategy to improve immune cell exhaustion in acute deficiency syndrome of sepsis.
4.Pathogenic Mechanisms of Spleen Deficiency-Phlegm Dampness in Obesity and Traditional Chinese Medicine Prevention and Treatment Strategies:from the Perspective of Immune Inflammation
Yumei LI ; Peng XU ; Xiaowan WANG ; Shudong CHEN ; Le YANG ; Lihua HUANG ; Chuang LI ; Qinchi HE ; Xiangxi ZENG ; Juanjuan WANG ; Wei MAO ; Ruimin TIAN
Journal of Traditional Chinese Medicine 2026;67(1):31-37
Based on spleen deficiency-phlegm dampness as the core pathogenesis of obesity, and integrating recent advances in modern medicine regarding the key role of immune inflammation in obesity, this paper proposes a multidimensional pathogenic network of "obesity-spleen deficiency-phlegm dampness-immune imbalance". Various traditional Chinese medicine (TCM) herbs that strengthen the spleen, regulate qi, and resolve phlegm and dampness can treat obesity by improving spleen-stomach transport and transformation, promoting water-damp metabolism, and regulating immune homeostasis. This highlights immune inflammation as an important entry point to elucidate the TCM concepts of "spleen deficiency-phlegm dampness" and the therapeutic principle of "strengthening the spleen and eliminating dampness to treat obesity". By systematically analyzing the intrinsic connection between "spleen deficiency generating dampness, internal accumulation of phlegm dampness" and immune dysregulation in obesity, this paper aims to provide theoretical support for TCM treatment of obesity based on dampness.
5.Inheritance and Current Research Status of Major Spleen-Stomach Theories in Traditional Chinese Medicine
Ling HU ; Fengyun WANG ; Xudong TANG ; Beihua ZHANG ; Yunkai DAI ; Xu CHEN ; Shiqi LI
Journal of Traditional Chinese Medicine 2026;67(1):87-94
This paper systematically reviews the core concepts and lines of theoretical inheritance of major spleen-stomach theories in traditional Chinese medicine (TCM), including spleen deficiency theory, spleen-stomach damp-heat theory, and liver-spleen disharmony theory. It is found that these theories have all undergone a developmental trajectory characterized by classical foundation, refinement of therapeutic methods, systematization of pathogenesis, and modern innovation. The evolution of spleen-stomach theory has achieved a shift from a singular focus on tonifying the spleen to regulating dynamic middle-jiao (焦) balance, and from localized spleen-stomach regulation to the circular movement of qi involving all five zang organs. In terms of modern disease-syndrome integrative research, spleen deficiency syndrome is shown to be closely associated with impairment of the gastrointestinal mucosal barrier, metabolic disorders, and gene polymorphisms related to Helicobacter pylori-associated gastric diseases. Spleen-stomach damp-heat syndrome is closely linked to hyperactive energy metabolism, inflammatory cytokines, and abnormal expression of aquaporins. Liver-spleen disharmony syndrome is mainly associated with dysregulation of the brain-gut axis and microbiota-related metabolic disorders. It is proposed that future research on spleen-stomach diseases and syndromes should further elucidate their potential multidimensional differential biological characteristics, thereby promoting the modernization of the TCM discipline of spleen-stomach studies.
6.Mechanism of Different Dosage Forms of Kaixinsan in Improving Mitochondrial Function for Prevention and Treatment of Cognitive Disorder Based on AMPK/PGC-1α/SIRT3 Pathway
Shuyue KANG ; Yanzi YU ; Jiaqun SUN ; Wenxuan CHEN ; Yaqin YANG ; Qi WANG ; Weirong LI ; Limei YAO
Chinese Journal of Experimental Traditional Medical Formulae 2025;31(7):15-24
ObjectiveTo explore the effects of different dosage forms of Kaixinsan (KXS) on the morphology and function of mitochondria in rat models of Alzheimer's disease (AD) and potential mechanisms of action. MethodsMale SD rats were randomly assigned to a sham group, model group, treatment groups receiving KXS decoction, powders, and granules (3.08 g·kg-1), as well as donepezil group (0.51×10-3 g·kg-1), with 10 rats in each group. AD model was created using intracerebroventricular injection of streptozocin (STZ). After 30 days of administration, behavioral assessments were conducted, and mitochondrial morphology was observed using transmission electron microscopy. Mitochondrial respiratory chain complex content was measured via enzyme-linked immunosorbent assay (ELISA). Changes in mitochondrial membrane potential were measured via JC-1 staining, and superoxide dismutase (SOD) activity and reactive oxygen species (ROS) levels were measured via biochemical assays. The mRNA expression of adenosine 5'-monophosphate-activated protein kinase (AMPK), peroxisome proliferator-activated receptor gamma coactivator-1α (PGC-1α), and silent information regulator 3 (SIRT3) was detected by real-time fluorescent quantitative polymerase chain reaction (Real-time PCR), and Western blot was used to examine the protein expression levels of optic atrophy protein1 (OPA1), mitochondrial fission protein 1 (FIS1), AMPK, p-AMPK, PGC-1α, and SIRT3. ResultsCompared with the sham group, rats in the model group had significantly lower recognition index, spontaneous alternation rate, escape latency, number of platform crossings, time spent in the target quadrant, and percentage of distance traveled in the target quadrant distance (P<0.05, P<0.01). Significant mitochondrial damage was observed in the hippocampal tissue, with a marked decrease in mitochondrial respiratory chain complex content (P<0.01) and reduced mitochondrial membrane potential (P<0.05). Additionally, the SOD activity was reduced, while ROS levels were elevated (P<0.01). The mRNA expression of PGC-1α and SIRT3 was significantly downregulated (P<0.01), along with decreased protein expression levels of OPA1, p-AMPK/AMPK, PGC-1α, and SIRT3, whereas FIS1 protein expression was significantly upregulated (P<0.05, P<0.01). Compared with the model group, rats in KXS-treated groups (various dosage forms) showed significant improvement in behavioral indexes (P<0.05, P<0.01), reduced hippocampal mitochondrial damage, and more organized mitochondrial cristae. Mitochondrial respiratory chain complex content was significantly increased (P<0.05, P<0.01), and mitochondrial membrane potentials were elevated (P<0.05). SOD activity was elevated, and ROS levels were significantly reduced (P<0.05, P<0.01). Furthermore, the mRNA expression of PGC-1α and SIRT3 was upregulated, with increased protein levels of OPA1, p-AMPK/AMPK, PGC-1α, and SIRT3, while FIS1 protein expression levels were significantly reduced (P<0.05, P<0.01). Across the KXS-treated groups, the granule group showed a higher spontaneous alternation rate than the decoction and powder groups (P<0.05). ConclusionKXS decoction, powders, and granules can improve the learning and memory ability of rats, with granules being the most effective. The mechanism of action may involve activation of the AMPK/PGC-1α/SIRT3 signaling pathway, improvement of the mitochondrial function, and subsequent amelioration of the brain energy metabolism disorders.
7.Mechanism of Different Dosage Forms of Kaixinsan in Improving Mitochondrial Function for Prevention and Treatment of Cognitive Disorder Based on AMPK/PGC-1α/SIRT3 Pathway
Shuyue KANG ; Yanzi YU ; Jiaqun SUN ; Wenxuan CHEN ; Yaqin YANG ; Qi WANG ; Weirong LI ; Limei YAO
Chinese Journal of Experimental Traditional Medical Formulae 2025;31(7):15-24
ObjectiveTo explore the effects of different dosage forms of Kaixinsan (KXS) on the morphology and function of mitochondria in rat models of Alzheimer's disease (AD) and potential mechanisms of action. MethodsMale SD rats were randomly assigned to a sham group, model group, treatment groups receiving KXS decoction, powders, and granules (3.08 g·kg-1), as well as donepezil group (0.51×10-3 g·kg-1), with 10 rats in each group. AD model was created using intracerebroventricular injection of streptozocin (STZ). After 30 days of administration, behavioral assessments were conducted, and mitochondrial morphology was observed using transmission electron microscopy. Mitochondrial respiratory chain complex content was measured via enzyme-linked immunosorbent assay (ELISA). Changes in mitochondrial membrane potential were measured via JC-1 staining, and superoxide dismutase (SOD) activity and reactive oxygen species (ROS) levels were measured via biochemical assays. The mRNA expression of adenosine 5'-monophosphate-activated protein kinase (AMPK), peroxisome proliferator-activated receptor gamma coactivator-1α (PGC-1α), and silent information regulator 3 (SIRT3) was detected by real-time fluorescent quantitative polymerase chain reaction (Real-time PCR), and Western blot was used to examine the protein expression levels of optic atrophy protein1 (OPA1), mitochondrial fission protein 1 (FIS1), AMPK, p-AMPK, PGC-1α, and SIRT3. ResultsCompared with the sham group, rats in the model group had significantly lower recognition index, spontaneous alternation rate, escape latency, number of platform crossings, time spent in the target quadrant, and percentage of distance traveled in the target quadrant distance (P<0.05, P<0.01). Significant mitochondrial damage was observed in the hippocampal tissue, with a marked decrease in mitochondrial respiratory chain complex content (P<0.01) and reduced mitochondrial membrane potential (P<0.05). Additionally, the SOD activity was reduced, while ROS levels were elevated (P<0.01). The mRNA expression of PGC-1α and SIRT3 was significantly downregulated (P<0.01), along with decreased protein expression levels of OPA1, p-AMPK/AMPK, PGC-1α, and SIRT3, whereas FIS1 protein expression was significantly upregulated (P<0.05, P<0.01). Compared with the model group, rats in KXS-treated groups (various dosage forms) showed significant improvement in behavioral indexes (P<0.05, P<0.01), reduced hippocampal mitochondrial damage, and more organized mitochondrial cristae. Mitochondrial respiratory chain complex content was significantly increased (P<0.05, P<0.01), and mitochondrial membrane potentials were elevated (P<0.05). SOD activity was elevated, and ROS levels were significantly reduced (P<0.05, P<0.01). Furthermore, the mRNA expression of PGC-1α and SIRT3 was upregulated, with increased protein levels of OPA1, p-AMPK/AMPK, PGC-1α, and SIRT3, while FIS1 protein expression levels were significantly reduced (P<0.05, P<0.01). Across the KXS-treated groups, the granule group showed a higher spontaneous alternation rate than the decoction and powder groups (P<0.05). ConclusionKXS decoction, powders, and granules can improve the learning and memory ability of rats, with granules being the most effective. The mechanism of action may involve activation of the AMPK/PGC-1α/SIRT3 signaling pathway, improvement of the mitochondrial function, and subsequent amelioration of the brain energy metabolism disorders.
8.Yttrium-90 resin microsphere selective internal radiation therapy on giant hepatocellular carcinoma in right lobe of liver: a case report
Nuoya LI ; Mingxing XU ; Jianliang XU
Chinese Journal of Clinical Medicine 2025;32(1):35-40
Primary liver cancer is a common malignant tumor in China. The current main treatment methods include surgical resection, liver transplantation, interventional therapy, radiofrequency ablation, chemotherapy, targeted therapy, and immunotherapy. Yttrium-90 microsphere selective internal radiation therapy (90Y-SIRT) represents a critical treatment option for converting unresectable intermediate to advanced hepatocellular carcinoma. This report details a case of a patient with a giant hepatocellular carcinoma in the right lobe treated with 90Y resin microsphere at the Third Affiliated Hospital of Sun Yat-sen University. Post-treatment, the tumor showed significant necrosis and reduction in size, with a marked decrease in alpha fetoprotein (AFP) levels and notable improvement in clinical symptoms. The case highlights the substantial efficacy of 90Y-SIRT in controlling tumor progression and enhancing patient quality of life.
9.Influencing factors of occupational injury in construction workers of European Union based on Boruta algorithm and logistic regression
Zhian LI ; Lin ZHANG ; Peng ZHANG ; Xiaojun ZHU
Journal of Environmental and Occupational Medicine 2025;42(2):151-156
Background Construction workers represent a high risk group for occupational injuries. Currently, domestic and international studies examining the factors affecting occupational injuries among construction workers focus on demographic and behavioural characteristics. However, there is limited attention to psychosocial, use of digital technology, and health status of workers. Objective To analyze the occurrence of occupational injuries among workers in the construction industry, explore impacts of psychosocial risk, use of digital technology, health status, and preventive measures at the workplace on occupational injuries, and provide a basis for the development of preventive measures. Methods Publicly available data from the European Union Occupational Safety and Health Administration were retrieved, comprising a sample of
10.Distribution characteristics of self-reported diseases and occupational injuries among workers in manufacturing enterprises
Lin ZHANG ; Zhi’an LI ; Yishuo GU ; Juan QIAN ; Chunhua LU ; Jianjian QIAO ; Yong QIAN ; Zeyun YANG ; Xiaojun ZHU
Journal of Environmental and Occupational Medicine 2025;42(2):165-170
Background Diseases severely affect the efficiency of workers. Comorbidity refers to the coexistence of two or more chronic diseases or health problems in the same individual. Previous studies have primarily focused on occupational injuries caused by environmental exposures, while the analysis of the epidemiological characteristics of self-reported diseases and occupational injuries among manufacturing workers has been insufficient. Objective To analyze the distribution of self-reported diseases and occupational injuries among manufacturing workers, the strength of correlation between different diseases, and common disease combinations, and to preliminarily explore the relationship between self-reported diseases and occupational injuries. Methods A cross-sectional survey was conducted to investigate the occupational injuries of

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