1.Serum Nesfatin-1 and Klotho levels and their predictive value for secondary mild cognitive impairment in elderly patients with type 2 diabetes
Fangsong FAN ; Chao LIU ; Hongzhuan XING ; Ge LI ; Jing YANG
International Journal of Laboratory Medicine 2025;46(5):553-557
Objective To investigate serum levels of food intake inhibitory factor-1(Nesfatin-1)and Klotho and their predictive value for secondary mild cognitive impairment(MCI)in elderly patients with type 2 diabetes mellitus(T2DM).Methods A total of 118 elderly patients with T2DM diagnosed and treated in the hospital from April 2023 to March 2024 were selected as the T2DM group,and they were divided into the non-MCI group(n=71)and the MCI group(n=47)according to the Montreal Cognitive Assessment(Mo-CA)scale.In addition,110 healthy people in the same hospital during the same period were selected as the control group.The clinical data of the patients were collected.Serum Nesfatin-1 and Klotho levels were detec-ted by enzyme-linked immunosorbent assay.Spearman and Pearson correlation analysis were used to analyze the correlation of serum Nesfatin-1 and Klotho levels with MoCA score and related clinical indicators in elder-ly patients with T2DM.Multivariate Logistic regression analysis was used to analyze the influencing factors for secondary MCI in elderly patients with T2DM.Receiver operating characteristic(ROC)curve was used to evaluate the predictive value of serum Nesfatin-1 and Klotho levels for secondary MCI in elderly patients with T2DM.Results Compared with control group,the serum levels of Nesfatin-1 and Klotho were significantly decreased in T2DM group(P<0.05).The serum levels of Nesfatin-1 and Klotho in MCI group were signifi-cantly lower than those in non-MCI group(P<0.05).Compared with the non-MCI group,the levels of fast-ing plasma glucose(FPG),insulin resistance index(HOMA-IR),reactive oxygen species(ROS)and C-reac-tive protein(CRP)were significantly increased in the MCI group(all P<0.05),and were negatively correla-ted with serum Nesfatin-1 and Klotho levels(all P<0.05).The serum levels of Nesfatin-1 and Klotho were positively correlated with MoCA score(P<0.05).Increased levels of FPG and ROS and decreased levels of Nesfatin-1 and Klotho were risk factors for secondary MCI in T2DM patients(P<0.05).The area under the curve of serum Nesfatin-1,Klotho and their combination for predicting secondary MCI in T2DM patients was 0.803,0.829 and 0.932,respectively.The combined prediction of serum nesfatin-1 and Klotho was better than each index alone(Zcombined-Nesfatin-1=3.421,P=0.001,Zcombined-Klotho=2.980,P=0.003).Conclusion The serum lev-els of Nesfatin-1 and Klotho are decreased in T2DM patients,which are significantly correlated with secondary MCI in T2DM patients,and both of them have high predictive value for secondary MCI in T2DM patients.
2.Comparison of training models for master of public health between China and other countries
Youyou WU ; Lei YANG ; Lyu CHEN ; Fang XIAO ; Hongzhuan TAN ; Guoqing HU
Chinese Journal of Epidemiology 2021;42(12):2208-2213
With the accelerating globalization and the implementation of "Belt and Road" initiative proposed by our government, communication and exchanges between China and foreign countries have become more and more frequent than before, and much more international students have chosen to study in China's universities as candidates of master of public health (MPH). However, because China only launched the MPH program in recent years, with the training models being highly similar to the program of master of science in China but quite different from those of main international MPH programs, hindering China's MPH program to become an international one. This paper systematically evaluated existing training models of MPH programs both at home and abroad through literature review and identified major differences and deficiencies of China's MPH program compared to those from other countries: (1) requirement for medical background only; (2) comparatively longer period to complete the program; (3) incomplete curriculum; (4) overemphasizing scientific research competencies but somewhat neglecting practical abilities; and (5) limited career choices, and put forward some suggestions to improve the MPH program of China, including removing requirement for medical background only, shortening the period of MPH program, improving the curriculum of MPH program, and enhancing the training of practical abilities.
3.Training the trunk and pelvis of hemiplegic stroke patients
Yaping MIAO ; Hongzhuan YANG ; Jixu XU ; Xudong GU
Chinese Journal of Physical Medicine and Rehabilitation 2011;33(4):285-287
Objective To observe the effects of reinforced trunk and pelvis control training on the motor function of stroke patients. Methods Sixty-two stroke patients were randomly divided into a therapy group and a control group with 31 cases in each group. All were treated with routine medication and regular rehabilitation training.The patients in the therapy group also received trunk and pelvis control training. The Fugl-Meyer assessment scale (FMA) , Barthel index (BI) and functional ambulation categories (FAGs) were used to assess the motor function of the patients before and after treatment. Results After 2 months of treatment there were significant improvements in FMA, BI, FAC and gait in both groups, but the average walking ability in the therapy group was significantly better than that in the control group. Conclusions Reinforced control training of the trunk and pelvis combined with routine rehabilitation improves motor function in hemiplegic stroke patients significantly better than standard rehabilitation alone.
4.Epidemiological study on hemorrhagic fever with renal syndrome in flood areas
Jia ZHOU ; Xiao ZHANG ; Mengshi CHEN ; Xin HUANG ; Aizhong LIU ; Tubao YANG ; Hongzhuan TANG
Journal of Central South University(Medical Sciences) 2011;36(3):223-228
Objective To investigate the infection of hemorrhagic fever with renal syndrome (HFRS) in host animals and inapparent infection of HFRS in general population in Dongting Lake areas after floods. Methods The night trapping method was used to capture rodents. The immunofluorescence assays were used to detect the hantavirus (HV) antigens and antibodies in rodents lung and in the serum of general population. Nonconditional logistic regression was applied to analyze risk factors for inapparent infection with HV. Results In flood region,draw-near flood region and new migration region,rodent density was 6.95%,6.28%, and 8.67%, respectively, and the virus-carrying rate in rodents was 15.07%,9.25%, and 4.47%, respectively. The virus-carrying rat index was the highest in flood region (0.10). Apodemus agrarius was the dominant species. The standardized positive rate of HV antibody in general population from above mentioned regions was 4.49%, 3.11%, and 3.13%, respectively. There was no significant difference among different age or gender groups. The results of logistic regression analysis indicated that people who were involved in construction of water conservancy facilities in winter or practice of rat extermination at home were the principal factors related to inapparent infection with HV. Conclusion The virus-carrying rate in main host animals of HV in the 3 regions is high, whereas the positive rate of HV antibody is low in general population. Comprehensive measures should be taken to prevent and control HFRS, such as reinforcing surveillance of HFRS, strengthening deratization, and preventive inoculation.
5.Cost-benefit of expanding cervical cancer screening.
Jing DENG ; Hongzhuan TAN ; Tubao YANG ; Xin HUANG ; Shujin ZHOU
Journal of Central South University(Medical Sciences) 2010;35(5):470-475
OBJECTIVE:
To estimate the benefit and cost of increasing the coverage of cervical cancer screening.
METHODS:
Using an eleven year conventional screening data (universal strategy) and a representative population sample (expanding strategy) to analyze the health and economic impact.
RESULTS:
The screening coverage for all 30-59 women in Liuyang was increased from 7.20% to 66.67%. Early detection cases were increased from 20 to 45, and life years saved in one screening term increased from 103.46 years to 925.83 years with expanding strategy as compared with the conventional strategy. The incremental cost per life year saved was 6 917.07 Yuan. The benefit/cost ratio was 1.80:1 at the screening coverage of 66.67%, which was higher than that of the conventional strategy (1.40:1). Both strategies were cost-effective.
CONCLUSION
With various uncertainties and data limitations, expanding screening coverage is more effective than conventional strategy, and more benefit is obtained when the number of early detection cases increases.
Adult
;
China
;
Cost-Benefit Analysis
;
Female
;
Humans
;
Mass Screening
;
economics
;
Middle Aged
;
Uterine Cervical Neoplasms
;
pathology
;
prevention & control
;
Vaginal Smears
6.Epidemiological study on leptospirosa infection of host animals and healthy population in flood areas.
Jia ZHOU ; Xin HUANG ; Huaxian HE ; Xiao ZHANG ; Aizhong LIU ; Tubao YANG ; Shuoqi LI ; Xuemin TANG ; Hongzhuan TAN
Journal of Central South University(Medical Sciences) 2009;34(2):99-103
OBJECTIVE:
To investigate the infection of leptospirosa of host animals and the immune level of healthy population in flood areas.
METHODS:
Korth culture was used to culture leptospira for rodent kidney and oxen urine sample. The serogroups of leptospira and leptospira antibody were tested by microscopic agglutination test (MAT).
RESULTS:
In flood regions, draw-near-flood region, and new migration region, rodent density was 6.95%, 6.28%, and 8.67%, respectively. The positive rates of rodent with leptospira was 4.63%, 1.35%, and 3.13%, respectively. Leptospira positive rates of oxen urine were 5.88%, 5.98%, and 1.75%, respectively. The main serogroup of leptospira was Icterhamorrhagic and Canicola serogroup. The positive rates of leptospirosa antibody in healthy population was 45.91%, 62.30%, and 58.67%in these 3 regions respectively, which was significantly higher than the average level in China. The dominant serogroups of leptospira in health population were icterhamorrhagic, autumnalis, canicola, pomona and bataviae. The positive rate of antibody had no difference among different age groups.
CONCLUSION
The main host animals are rodents and oxen infected with leptospira and the positive rate of leptospira antibody is high in healthy population in the study area. The dominant serogroups in host animals are similar to that in healthy population, which is mostly icterhaemorrhagic.
Animals
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Antibodies, Bacterial
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blood
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urine
;
Cattle
;
China
;
epidemiology
;
Disasters
;
Floods
;
Humans
;
Leptospira interrogans
;
immunology
;
isolation & purification
;
Leptospirosis
;
epidemiology
;
Prevalence
;
Rats
;
Seroepidemiologic Studies
7.Morphometry of osteoclasts in experimental fracture healing of rabbits.
Jiaqi WU ; Yuanying WU ; Yiwei JIANG ; Hongzhuan LI ; Xiaogang ZHANG ; Tianfu YANG
Journal of Biomedical Engineering 2007;24(4):889-893
This study was designed to investigate the effects of some Traditional Chinese Medicine (TCM) agents on bone resorption and morphometric features of osteoclasts as well as their relationships. TCM ShengGuZaiZaoSan and XianLingGuBao, were used to treat the experimental fracture. Thirty 6-month-old Chinchilla rabbits were used for the establishment of animal models each with a 3 mm bone defect in the middle of left radius as well as of right radius. These models were divided randomly into 3 groups : ShengGuZaiZaoSan Group (Group A), XianLingGuBao groups (Group B) and control-group (Group C). Every group was further divided into 2 subgroups: a former sacrificed group (14 days after operation) and a latter sacrificed group (31 days after operation). After the rabbits being killed, the samples of their undecalcified calli were subjected to the morphometry study of bone resorption and osteoclasts. Group A had more bone resorption, compared with Group B and C. Both Groups A and B exhibited some changed morphometric features of osteoclasts as compared with Group C (P < 0.05). Simple correlation analysis indicated that bone resorption is mainly correlated with osteoclast numbers, and that in individual group, bone resorption is correlated with osteoclast form factor, area and mean photodensity (P < 0.05). These allow us to conclude that ShengGuZaiZaoSan can increase bone resorption and accelerate bone remodeling by increasing osteoclast numbers at the former stage and can enhance osteoclast function at the latter stage. These changes are beneficial to fracture healing.
Animals
;
Bone Remodeling
;
drug effects
;
Bone Resorption
;
physiopathology
;
Drugs, Chinese Herbal
;
pharmacology
;
therapeutic use
;
Female
;
Fracture Healing
;
drug effects
;
physiology
;
Male
;
Osteoclasts
;
drug effects
;
pathology
;
Phytotherapy
;
Rabbits
;
Radius Fractures
;
drug therapy
;
pathology
;
physiopathology
;
Random Allocation
8.Advances in studies on lipoxygenase and its inhibitors
Liping JIANG ; Yang LU ; Hongzhuan CHEN
Chinese Pharmacological Bulletin 2003;0(08):-
Lipoxygenase(LO) pathway had been implicated in the pathogenesis of such cardiovascular diseases as hypertension, atherosclerosis, restenosis, and palys and important role in the development of these disease. LO inhibitiors could suppress vascular contractile responses significantly, reduce blood pressure, inhibit migration of vascular smooth muscle cells(VSMC), attenuate neointimal thickening in the injuried arteries and generation reactive oxygen species(ROS), block monocyte binding to VSMC, etc. The effects of LO inhibitors were associated with marked inhibition of MAPK pathway. Therefore, inhibition of LO pathway may provide a new strategy for preventing and treating above diseases, suggesting that LO mat be a novel taget for such purposes.
9.Cholinergic basis of nerve growth factor in the treatment of Alzheimers disease
Hao WANG ; Yang LU ; Hongzhuan CHEN ;
Chinese Pharmacological Bulletin 2003;0(08):-
Nerve growth factor (NGF), one of the most potent growth factors for cholinergic neurons, has generated great interest as a potential target for the treatment of Alzheimers disease (AD). The degeneration of basal forebrain cholinergic neurons, which provides the major source of cholinergic innervation to the cerebral cortex and hippocampus, occurs early and contributes significantly to cognitive decline in AD. Those regions show high level expression of NGF and NGF receptors and depend on NGF for their survival and proper function. NGF executes its effects mainly by binding high affinity receptor TrkA in the remaining neurons of AD. Meanwhile, stimulation of neurons may protect those cells from the deleterious effects of AD, a phenomenon called “use it or lose it.”However, the use of NGF as therapeutic agent is limited by their hindered mobility through the blood brain barrier. Many theoretical and technical issues for NGF delivery to the target region in the brain remain to be solved, before NGF can live up to its potential for the treatment of AD.
10.Analysis on the Changes of Snail Status of Schistosomiasis Before and After Embankment Collapsed in Dongting Lake Region
Wanjun LI ; Hongzhuan TAN ; Meixia YANG
Journal of Chinese Physician 2001;0(08):-
Objectives To know the affecting degree of snail status by the flood in schistosomiasis epdemic areas.Methods The eight embankments suffered from disasterous floods and collapsed were selected in Dongting Lake; the changes of snail states and snail-killed etc.Before and after disasterous floods were surveyed by retrospectively. Results In the eight embankments, the snail areas inside embankment increased at different degree except two embankments where snail was not found after disaster, it was 10.8 times of that before disaster; Furthermore, after disaster the snail was found in the embankment enclosing village areas inside where it was not found before disaster; in most of embankments collapsed, the mean density of living snail inside embankment and mean density of infected snail and positive rates of snail outside embankment descended at different degree after disaster. Conclusions Inside embankment, the disastrous floods could lead to snails speading in most of embankments collapsed. Otherwise, outside embankment the flood led to reduce the mean density of infected snail and positive rates of snail in most of embankments collapsed, and the degree of snails spreading was affected by the factors such as the snail states at the collapsed place, mean density of living snail,immersed area by water, mud and sand ect.

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