1.Analysis of the incidence and mortality trends of type 2 diabetic nephropathy in China from 1990 to 2021
Xuewei DOU ; Wenfei CUI ; Ling NIU ; Binglei YIN ; Jinjin WANG
Acta Universitatis Medicinalis Anhui 2026;61(1):176-182
ObjectiveTo analyze the long-term trend of incidence and mortality of type 2 diabetic kidney disease (DKD) in China from 1990 to 2021. MethodsThe Joinpoint regression model was used to analyze the average annual percentage change (AAPC) of standardized incidence rate and standardized mortality rate, and the age-period-cohort (APC) model was constructed to analyze the longitudinal age change, period and cohort effect risk ratio (RR). ResultsFrom 1990 to 2021, the standardized incidence rate of type 2 DKD in males and females showed an overall upward trend, with AAPC of 0.08% and 0.36%, respectively. The age-standardized mortality rate of the total population and female showed a downward trend, with AAPC of -0.61% and -1.03%, respectively. However, there was no significant difference in males. APC model showed that the age effect existed: the peak age was 75-79 years old, the mortality rate of females increased, and the mortality rate of males decreased after 80-84 years old. For the effect of time period, the risk of type 2 DKD incidence in females in 2017—2021 was 1.05 times that in 2002—2006, and the risk of death in males and females in 2017—2021 was 0.84 and 0.71 times that in 2002—2006, respectively. For cohort effects, the highest risk of disease was seen in men and women born in 1967—1971, and the highest risk of death was seen in men born in 1952—1956 and women born in 1912—1916. ConclusionFrom 1990 to 2021, the standardized incidence rate of type 2 DKD in China shows an upward trend, and the standardized mortality rate shows a downward trend. It is necessary to strengthen the health behavior publicity and education of type 2 DKD, and actively carry out early screening to reduce the disease burden.
2.Effect of RUNX3 on the activation, proliferation, and migration capabilities of hepatic stellate cells
Hui LING ; Xianchen WANG ; Junbo YOU ; Jiahao FAN ; Xiao CUI ; Jiming SHA ; Liquan YU
Acta Universitatis Medicinalis Anhui 2026;61(2):277-284
ObjectiveTo investigate the effects of targeted silencing of Runt-related Transcription Factor 3 (RUNX3) on the proliferation and migration of Mouse Hepatic Stellate Cells (HSCs), as well as subsequent collagen deposition. MethodsMouse hepatic stellate cell line (JS-1) was selected and then morphologically observed and identified under a microscope. After the cells had fully adhered, they were treated with 5 ng/mL of transforming growth factor beta 1 (TGF-β1) for 24 hours to induce hepatic stellate cell activation. Furthermore, a RUNX3 silencing model was established using RUNX3 lentiviral infection. The experiment was divided into four groups: Control group, TGF-β1 group, TGF-β1+siRNA-NC group, and TGF-β1+siRNA-RUNX3 group. Protein expression changes of RUNX3, alpha-smooth muscle actin (α-SMA), and Alpha 1 type I collagen (Collagen I) were detected using Western blot method. Cellular immunofluorescence assays were employed to investigate the deposition changes of α-SMA and RUNX3 in hepatic stellate cells. RT-qPCR was utilized to examine the mRNA expression changes of RUNX3, α-SMA, and Collagen I. The proliferative capacity of hepatic stellate cells was assessed using Edu staining. The migratory ability of hepatic stellate cells was evaluated through wound healing assays and Transwell migration experiments. ResultsCompared with Control group, a significant elevation in RUNX3 was observed in the TGF-β1-induced activated HSCs (P<0.01). Meanwhile, the protein and mRNA levels of fibrosis-related markers and α-SMA and Collagen I were significantly upregulated (P<0.001). Additionally, the proliferation and migration capabilities of HSCs were significantly enhanced (P<0.001). In contrast, when compared to TGF-β1+siRNA-NC group, TGF-β1+siRNA-RUNX3 group exhibited a notable decrease in RUNX3 and other related indicators, such as the protein and mRNA levels of α-SMA and Collagen I (P<0.05). Concurrently, the proliferation and migration capabilities of HSCs were significantly inhibited in TGF-β1+siRNA-RUNX3 group (P<0.01). ConclusionSilencing RUNX3 can inhibit the deposition of collagen and the proliferation and migration of hepatic stellate cells. Conversely, RUNX3 promotes the proliferation and migration capabilities of HSCs, thereby facilitating the activation of HSC.
3.Herbal Textual Research on Inulae Flos in Famous Classical Formulas
Caixia LIU ; Yue HAN ; Yanzhu MA ; Lei GAO ; Sheng WANG ; Yan YANG ; Wenchuan LUO ; Ling JIN ; Jing SHAO ; Zhijia CUI ; Zhilai ZHAN
Chinese Journal of Experimental Traditional Medical Formulae 2026;32(3):210-221
In this paper, by referring to ancient and modern literature, the textual research of Inulae Flos has been conducted to clarify the name, origin, production area, quality evaluation, harvesting, processing and others, so as to provide reference and basis for the development and utilization of famous classical formulas containing this herb. After textual research, it could be verified that the medicinal use of Inulae Flos was first recorded in Shennong Bencaojing of the Han dynasty. In successive dynasties, Xuanfuhua has been taken as the official name, and it also has other alternative names such as Jinfeicao, Daogeng and Jinqianhua. The period before the Song and Yuan dynasties, the main origin of Inulae Flos was the Asteraceae plant Inula japonica, and from the Ming and Qing dynasties to the present, I. japonica and I. britannica are the primary source. In addition to the dominant basal species, there are also regional species such as I. linariifolia, I. helianthus-aquatili, and I. hupehensis. The earliest recorded production areas in ancient times were Henan, Hubei and other places, and the literature records that it has been distributed throughout the country since modern times. The medicinal part is its flower, the harvesting and processing method recorded in the past dynasties is mainly harvested in the fifth and ninth lunar months, and dried in the sun, and the modern harvesting is mostly harvested in summer and autumn when the flowers bloom, in order to remove impurities, dry in the shade or dry in the sun. In addition, the roots, whole herbs and aerial parts are used as medicinal materials. In ancient times, there were no records about the quality of Inulae Flos, and in modern times, it is generally believed that the quality of complete flower structure, small receptacles, large blooms, yellow petals, long filaments, many fluffs, no fragments, and no branches is better. Ancient processing methods primarily involved cleaning, steaming, and sun-drying, supplemented by techniques such as boiling, roasting, burning, simmering, stir-frying, and honey-processing. Modern processing focuses mainly on cleaning the stems and leaves before use. Regarding the medicinal properties, ancient texts describe it as salty and sweet in taste, slightly warm in nature, and mildly toxic. Modern studies characterize it as bitter, pungent, and salty in taste, with a slightly warm nature. Its therapeutic effects remain consistent across eras, including descending Qi, resolving phlegm, promoting diuresis, and stopping vomiting. Based on the research results, it is recommended that when developing famous classical formulas containing Inulae Flos, either I. japonica or I. britannica should be used as the medicinal source. Processing methods should follow formula requirements, where no processing instructions are specified, the raw products may be used after cleaning.
4.Herbal Textual Research on Inulae Flos in Famous Classical Formulas
Caixia LIU ; Yue HAN ; Yanzhu MA ; Lei GAO ; Sheng WANG ; Yan YANG ; Wenchuan LUO ; Ling JIN ; Jing SHAO ; Zhijia CUI ; Zhilai ZHAN
Chinese Journal of Experimental Traditional Medical Formulae 2026;32(3):210-221
In this paper, by referring to ancient and modern literature, the textual research of Inulae Flos has been conducted to clarify the name, origin, production area, quality evaluation, harvesting, processing and others, so as to provide reference and basis for the development and utilization of famous classical formulas containing this herb. After textual research, it could be verified that the medicinal use of Inulae Flos was first recorded in Shennong Bencaojing of the Han dynasty. In successive dynasties, Xuanfuhua has been taken as the official name, and it also has other alternative names such as Jinfeicao, Daogeng and Jinqianhua. The period before the Song and Yuan dynasties, the main origin of Inulae Flos was the Asteraceae plant Inula japonica, and from the Ming and Qing dynasties to the present, I. japonica and I. britannica are the primary source. In addition to the dominant basal species, there are also regional species such as I. linariifolia, I. helianthus-aquatili, and I. hupehensis. The earliest recorded production areas in ancient times were Henan, Hubei and other places, and the literature records that it has been distributed throughout the country since modern times. The medicinal part is its flower, the harvesting and processing method recorded in the past dynasties is mainly harvested in the fifth and ninth lunar months, and dried in the sun, and the modern harvesting is mostly harvested in summer and autumn when the flowers bloom, in order to remove impurities, dry in the shade or dry in the sun. In addition, the roots, whole herbs and aerial parts are used as medicinal materials. In ancient times, there were no records about the quality of Inulae Flos, and in modern times, it is generally believed that the quality of complete flower structure, small receptacles, large blooms, yellow petals, long filaments, many fluffs, no fragments, and no branches is better. Ancient processing methods primarily involved cleaning, steaming, and sun-drying, supplemented by techniques such as boiling, roasting, burning, simmering, stir-frying, and honey-processing. Modern processing focuses mainly on cleaning the stems and leaves before use. Regarding the medicinal properties, ancient texts describe it as salty and sweet in taste, slightly warm in nature, and mildly toxic. Modern studies characterize it as bitter, pungent, and salty in taste, with a slightly warm nature. Its therapeutic effects remain consistent across eras, including descending Qi, resolving phlegm, promoting diuresis, and stopping vomiting. Based on the research results, it is recommended that when developing famous classical formulas containing Inulae Flos, either I. japonica or I. britannica should be used as the medicinal source. Processing methods should follow formula requirements, where no processing instructions are specified, the raw products may be used after cleaning.
5.Inverse Association Between Alcohol Consumption and Parkinson’s Disease Risk and Identification of RIT2 as a Linked Biomarker
Wei LU ; Xiu-Li CHENG ; Xiao-Yun PAN ; Dan-Dan YANG ; Hui-Ling ZOU ; Li-Guo DONG ; Yi-Liang WEI ; Gui-Yun CUI
Progress in Biochemistry and Biophysics 2026;53(6):1723-1733
ObjectiveAs a common lifestyle habit, alcohol consumption has a controversial association with the onset of Parkinson’s disease (PD). To demonstrate the correlation between alcohol consumption and PD and to identify associated genes, we integrated findings from clinical surveys, genomics, transcriptomics, and animal experiments. MethodsWe investigated the alcohol consumption rates (including both before and after disease onset) among 244 PD patients in China and 177 PD patients from the U.S. NHANES database. Mendelian randomization (MR) analysis was performed using genome-wide association study (GWAS) data for three alcohol-related traits and seven PD-related datasets from the MRC IEU OpenGWAS database. Transcriptomic data from the substantia nigra of PD patients were obtained from three GEO datasets (GSE7621, GSE20141, and GSE49036) to analyze RIT2 gene transcription. Finally, three groups of animal experiments (water/20% ethanol/20% liquor, with 4 C57BL/6J mice per group) were conducted to examine changes in brain RIT2 gene expression and transcriptomic profiles following alcohol consumption. ResultsThe alcohol consumption rates among PD patients in China and the U.S. (9%-18.87%) were significantly lower than the general population rates of 15%-45% in their respective regions (P<0.001), suggesting a possible negative association between alcohol consumption and PD. Subsequently, in 21 bidirectional MR analyses using 3 alcohol-related GWAS datasets and 7 PD-related GWAS datasets, the forward MR analyses (alcohol intake as exposure, PD as outcome) yielded 12 negative associations (ORIVW<1) and 9 positive associations (ORIVW>1). Among these, only two negative associations reached statistical significance: alcohol intake frequency (ORIVW=0.75, 95% CI: 0.60-0.93, P=0.010) and alcohol consumption (ORIVW=0.20, 95% CI: 0.05-0.83, P=0.026). The forward MR analysis (alcohol intake→PD) identified 235 SNPs, annotated to 316 genes, while the reverse MR analyses (PD→alcohol intake) identified 37 SNPs, annotated to 53 genes. Notably, only the RIT2 gene appeared in both the forward and reverse MR analyses (alcohol intake→PD: rs28597806, rs8083110; PD→alcohol intake: rs4588066). RIT2 is selectively expressed in the human brain (FPKM: 5.259±2.103), with low or no expression in peripheral tissues (FPKM: <1). Analysis of three human substantia nigra transcriptomic datasets revealed a decreasing trend in RIT2 gene expression in PD patients (GSE20141 array signal: 3.49±1.23 vs. 2.33±0.87, P=0.044). Animal experiments demonstrated that administration of 20% ethanol or 20% liquor (approximately 8% ethanol) stimulated a >2-fold upregulation of RIT2 gene expression in the mouse brain. Furthermore, transcriptomic sequencing revealed that the two alcohol-treated groups exhibited 96 (20% ethanol vs. water control) and 4 (20% liquor vs. water control) differentially expressed genes, respectively, indicating that low-dose alcohol consumption can achieve RIT2 upregulation while minimizing impact on other brain genes. In addition to its anti-infective effects, low-dose alcohol consumption primarily influences signaling pathways related to neurodegenerative diseases such as PD and Prion diseases. ConclusionAlcohol consumption is generally considered as a harmful lifestyle habit. However, some studies have also shown a lower risk of mortality among individuals who consume low doses of alcohol (100 g/week of ethanol) or drink occasionally. Currently, one of the research focuses on alcohol consumption is whether the human body can benefit from low-dose alcohol intake. This study provides new evidence supporting a negative association between alcohol consumption and PD, and for the first time, through MR analysis, identifies the RIT2 gene as a potential mediator of the effect of alcohol consumption on PD. RIT2 is selectively expressed in the human brain. Building upon existing evidence indicating downregulated RIT2 gene expression in PD pathogenesis, our experiments confirm that low-dose alcohol consumption can upregulate RIT2 expression in the brain. In brief, alcohol consumption may suppress the pathogenesis of PD by upregulating RIT2 expression in the substantia nigra. China is facing a serious problem of population aging. This study offers important insights for long-term PD prevention and treatment strategies, with the aim of benefiting more potential PD patients through lifestyle modifications, thereby improving the quality of life of the aging population and reducing the economic burden on healthcare.
6.Epidemiological characteristics and prevention strategies of gouty arthritis in Northwest China in 2023-2025
Ling FU ; Ning CUI ; Peijie XIA ; Nan ZHAO ; Aiqing PAN ; Xiaomin RAN ; Fei CHEN ; Kaiyue CAO
Journal of Public Health and Preventive Medicine 2026;37(4):56-60
Objective To explore the epidemiological characteristics of gouty arthritis in Northwest China from 2023 to 2025, and to formulate preventive intervention measures. Methods By retrospectively analyzing the case data of medical institutions in Northwest China from January 2023 to June 2025 (a total of 8 139 cases), the incidence trend and population distribution characteristics of gouty arthritis in this area were analyzed. Multivariate logistic regression analysis was performed to identify risk factors. Results From 2023 to 2025, the prevalence rate of gouty arthritis in adult residents in Northwest China was 3.74% (304/8 139). Among the sites affected by gouty arthritis, the metatarsophalangeal joint accounted for the highest proportion (P<0.05). From the perspective of age distribution, the prevalence rate was the highest in 40-59 years old group (5.90%), followed by 66-80 years old group (4.21%) and >80 years old group (2.75%). The incidence rate in 40-65 years old group was higher than that in the other age groups (P<0.05). High blood uric acid and creatinine, alcohol drinking, obesity, high purine diet, concurrent chronic kidney disease and metabolic syndrome were risk factors affecting gouty arthritis in Northwest China (P<0.05). Conclusion High blood uric acid level, high creatinine level, alcohol drinking, obesity, high purine diet, concurrent chronic kidney disease and metabolic syndrome are risk factors influencing gouty arthritis in Northwest China. Based on the above factors, this study proposes comprehensive prevention strategies from the individual, community and public health levels to provide a scientific basis for reducing the incidence rate of gouty arthritis.
7.Impact of Intrapartum Ultrasound as a Replacement for Vaginal Examination in Labor Assessment on Vaginal Delivery Complications
Jinhui CUI ; Xinjuan CHEN ; Liping OUYANG ; Ling LI ; Jianhui FAN ; Zeping HUANG ; Ping LI
Journal of Sun Yat-sen University(Medical Sciences) 2026;47(2):360-367
ObjectiveTo evaluate whether the use of intrapartum ultrasound (IPUS) to monitor the labor process, as alternative method of traditional vaginal examination (VE), could reduce the incidence of postpartum complications associated with vaginal delivery. MethodsA total of 360 primiparas who underwent cervical dilation balloon induction of labor (IOL) and achieved successful vaginal delivery after childbirth at the Third Affiliated Hospital of Sun Yat-sen University between January 2022 and December 2023, were included in the retrospective study with half assessed for labor progress using IPUS (n=180) and the other half using VE (n=180). The differences in the relevant indicators of the labor process and the complications of vaginal delivery were compared between the two groups of pregnant women. ResultsThere was no significant difference in the duration of membrane rupture, the first stage of labor and the second stage of labor between the two groups. However, the number of VE in the IPUS group was significantly lower [nulliparous: 4 (3-4) vs. 6 (5-8), P<0.001; multiparous: 2 (2-3) vs. 4 (3-5), P<0.001]. The IPUS group experienced a lower incidence of postpartum fever compared to the VE group [1.67%(3/180) vs. 7.22%(13/180), P=0.006], while other complications of vaginal delivery, such as fever during labor, postpartum hemorrhage (PPH), laceration, poor wound healing and uroschesis, were not significantly different (all P > 0.05). The logistic regression analysis confirmed that the use of IPUS served as a protective factor for postpartum fever with an OR of 0.06 [95% CI (0.01, 0.36); P=0.002], while the duration of membrane rupture was a risk factor [OR: 1.12; 95% CI (1.03, 1.22); P = 0.011]. ConclusionsIPUS, as an alternative to traditional VE, does not affect the progress of labor. However, it can significantly reduce the frequency of VE and the incidence of postpartum fever, thereby facilitating the rapid recovery of postpartum women, which makes it clinically valuable for application.
8.Effects of Jingling Oral Liquid as an Adjunctive Therapy on Cognitive,Motor,and Social Abilities in Children with Global Developmental Delay
Ling CHEN ; Ling YUE ; Zexi WANG ; Rong JIA ; Haotian ZHANG ; Lingyu CUI ; Jun SUN
Journal of Guangzhou University of Traditional Chinese Medicine 2025;42(6):1401-1406
Objective To explore the effects of Jingling Oral Liquid(mainly composed of Polygoni Multiflori Radix,Polygonati Rhizoma,Platycladi Semen,Nelumbinis Semen,Ligustri Lucidi Fructus,Poria,and Lilii Bulbus)as an adjunctive therapy on cognitive,motor,and social abilities in children with global developmental delay(GDD).Methods A total of 120 children with GDD who visited the Department of Neurological Rehabilitation at Hebei Children's Hospital from July 2021 to November 2023 were selected as the study subjects.The children were randomly divided into a control group and a trial group using a random number table,with 60 children in each group.The control group received conventional comprehensive rehabilitation training,while the trial group received Jingling Oral Liquid as an adjunctive therapy in addition to the control group's treatment.The treatment course lasted 12 weeks.Before and after treatment,the changes in Gesell Developmental Scale(GDS)scores,Peabody Developmental Motor Scales(PDMS)scores,motor function scores,and language ability scores in both groups were observed to evaluate the cognitive,motor,and social abilities of the children.Results(1)After treatment,the scores of all dimensions of the GDS,including adaption,developmental quotient of fine motor,language developmental quotient,and personal-social developmental quotient,were significantly increased in both groups compared to those before treatment(P<0.01),and the improvement of GDS scores in the trial group was significantly superior to that in the control group(P<0.01).(2)After treatment,the scores of all dimensions of the PDMS,including fine developmental quotient score,standardized score of visual-motor integration,and standardized score of grasping,were significantly increased in both groups compared to those before treatment(P<0.01),and the improvement of PDMS scores in the trial group was significantly superior to that in the control group(P<0.01).(3)After treatment,the scores of motor function indicators of fine motor quotient(FMQ),gross motor quotient(GMQ),and total motor quotient(TMQ)were significantly increased in both groups compared to those before treatment(P<0.01),and the improvement of motor function scores in the trial group was significantly superior to that in the control group(P<0.01).(4)After treatment,the language ability scores were significantly increased in both groups compared to those before treatment(P<0.01),and the improvement of language ability scores in the trial group was significantly superior to that in the control group(P<0.01).Conclusion The combination of Jingling Oral Liquid with conventional comprehensive rehabilitation training can effectively improve the cognitive,motor,and social abilities of children with GDD.
9.Construction of Pseudomonas aeruginosa strain with deletion of pyocyanin synthesis gene PAOⅡ and study on its drug resistance
Bingfu FENG ; Ling HUANG ; Wenmin DONG ; Gang CUI
Journal of Clinical Medicine in Practice 2025;29(10):1-6,13
Objective To construct Pseudomonas aeruginosa(PA)strain with deletion of the pyocyanin synthesis gene PAOⅡ and investigate its drug resistance.Methods By analyzing the ge-nome of the PAOⅡ genotype strain of PA,the distribution of genes/gene clusters related to pyocyanin synthesis in the genome was explored.A strain with deletion of the pyocyanin synthesis gene phzM was constructed using homologous recombination-based seamless gene knockout technology.The growth and drug tolerance of the wild-type and mutant strains were compared.Results Kyoto Encyclopedia of Genes and Genomes(KEGG)clustering analysis was performed on the website https://www.kegg.jp/.The results revealed a gene cluster composed of 9 genes(including PhzA,PhzB,PhzC,PhzD,PhzE,PhzF,PhzG,phzM and PhzS),which was completely consistent with the KEGG PATHWAY:Phenazine biosynthesis-M00835 Pyocyanine biosynthesis pathway.The key gene phzM for pyocyanin synthesis was knocked out via homologous recombination.After the exchange,monoclonal strains growing on M9-citrate medium were verified using primers phzM-AF and phzM-BR.The shuttle plasmid pK18mobSacB-phzM-AB was successfully transfected into the PAOⅡ genotype strain.After gene ex-change,monoclonal strains capable of growing on antibiotic-free plates were selected,and polymerase chain reaction(PCR)was performed to obtain strains with successful scarless knockout of the phzM gene.At 3 and 6 days of culture,the biofilm formation thickness of the PAOⅡ genotype strain was greater than that of the PAOⅡ-△phzM strain,with a statistically significant difference(P<0.05).Conclusion The biofilm synthesis capacity of the pyocyanin synthesis-deficient strain is reduced,and its resistance to cephalosporins(ceftazidime)is also decreased.
10.The effect of resistance training on alleviating lymphedema in breast cancer patients after surgery
Ling WANG ; Shaomei SHANG ; Yuexian SHI ; Cui WANG
Chinese Journal of Nursing 2025;60(2):185-193
Objective To construct a resistance training program for breast cancer related lymphedema,and to examine its feasibility and effects.Methods The first draft of the resistance training program was developed based on the 2 intervenable factors of"muscle contraction"and"chest negative pressure"in lymphatic reflux power source and the best evidence of resistance training.The program was revised and its feasibility was analyzed through 2 rounds of expert demonstration and pilot study.The patients enrolled in 2022.1-2022.5 in a tertiary A hospital in Hefei were assigned to an experiment group(34 cases)and patients enrolled in 2022.9-2023.1 in a tertiary A hospital in Wuhu were assigned to an control group(34 cases)based on convenient sampling method.Both the experiment and control group were given comprehensive decongestive therapy with manual lymphatic drainage,wearing the pressure clothing,and skin care for 12 weeks.The patients in the experiment group were given additional resistance training for 12 weeks.Grip strength and extracellular water/intracellular water(ECW/ICW)of affected upper limb,forced expiratory volume in the first second(FEV1)were evaluated before and 2,4,8,12 weeks after intervention.Results The resistance training program included 4 parts,including resistance breathing training,resistance muscle training,warm-up training and relaxation training.The expert authority coefficient is 0.89;the Kendall coordination coefficient of the first round of expert consultations is 0.42;the coefficient of variation is 0.08~0.27.The Kendall coordination coefficient of the second round of expert consultations is 0.67,and the coefficient of variation is 0~0.19.The pilot study results showed that the completion degree of 5 patients was 62.50%~100%,and there are no adverse events occurred during intervention.A total of 31 patients in the experimental group and 30 patients in the control group completed the 12-week intervention.The results of repeated measurement analysis of variance showed that the increase of grip strength in affected upper limb and FEV1 value in the experiment group were significantly higher than that in the control group(P<0.05);thie reduction of ECW/ICW value in the experiment group was significantly greater than that in the control group(P<0.05).Conclusion The resistance training program of breast cancer-related lymphedema is scientific and feasible.It can improve the"muscle contraction"and"chest negative pressure"of lymphatic reflux power source,and relieve lymphedema.


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