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1.
Chinese Pharmacological Bulletin ; (12): 308-316, 2024.
Artigo em Chinês | WPRIM | ID: wpr-1013586

RESUMO

Aim To explore the effect of berberine (B E) on RSV infected HEp-2 cells and the related mechanism. Methods HEp-2 cells were infected with RSV and treated with BE. Cell viability was assessed using the CCK-8 assay. Protein expression levels of NLRP3, ASC, caspase-1, PINK1, Parkin, Beclinl, p62, LC3 I,LC3 II,and BNIP3 in HEp-2 cells were detected by Western blot. The secretion level of IL-1 p in HEp-2 cells was measured using ELISA. Apoptosis rate and mitochondrial membrane potential of HEp-2 cells were examined by flow cytometry. Mitochondrial ROS (mtROS) in HEp-2 cells was detected through MitoSOX staining. Colocalization of mitochondria and autophagosomes in HEp-2 cells was investigated using immunofluorescence staining. Cyclosporin A was used for validation experiments. Results BE could significantly improve the activity of RSV-infected HEp-2 cells,reduce the apoptosis rate (P < 0. 05), and decrease the activation level of NLRP3 inflammasomes and IL-lp level (P <0. 05); BE improved mitochondrial function by increasing mitochondrial membrane potential and ATP levels,and reduced mtROS. BE significantly promoted the colocalization of mitochondria-autophagosome in RSV infected cells, inducing PINK1/ Parkin and BNIP3 to mediate mitochondrial autophagy; cyclosporine A aggravated RSV infection. Conclusions BE has protective effects on HEp-2 cells infected by RSV. The mechanism may be related to the inhibitory effect of BE on the production of mtROS and the activation of NLRP3 inflammasomes by inducing PINK1/ Parkin and BNIP3-mediated mitochondrial autophagy.

2.
Chinese Journal of Nephrology ; (12): 610-615, 2023.
Artigo em Chinês | WPRIM | ID: wpr-995024

RESUMO

It was a retrospective cohort study. Patients diagnosed with idiopathic membranous nephropathy (IMN) and received rituximab (RTX) alone for one course of treatment during hospitalization in the Department of Nephrology of the First Hospital of Jilin University from March 2020 to March 2022 were enrolled. The patients were divided into 1 g standard treatment group (once 1 g every 2 weeks for twice) and 375 mg/m 2 experimental treatment group (375 mg/m 2 once a week for 4 weeks) according to the different methods of drug administration, and the efficacy and safety of different doses of RTX in the treatment of IMN were compared between the two groups to provide a reference for optimizing the clinical treatment protocol. The patients were followed up regularly for more than 9 months after treatment and the data were complete. A total of 69 patients were included with age of (51.7±11.8) years old, and 46 males (66.7%). There were 31 patients in the 1 g standard treatment group and 38 patients in the 375 mg/m 2 experimental treatment group. The proportion of first-treatment patients in the 1 g standard treatment group was higher than that in the 375 mg/m 2 experimental treatment group (87.1% vs. 65.8%, χ2=4.174, P=0.041). There were no statistically significant differences in the general data, clinical characteristics and baseline laboratory parameters between the two groups (all P>0.05). At the end of 3 months of treatment, 22 patients (31.9%) experienced remission, including 9 patients (29.0%) in the 1 g standard treatment group and 13 patients (34.2%) in the 375 mg/m 2 experimental treatment group ( χ2=0.211, P=0.646). At 6 months, 30 patients (43.5%) experienced remission, including 12 patients (38.7%) in the 1 g standard treatment group and 18 patients (47.4%) in the 375 mg/m 2 experimental treatment group ( χ2=0.521, P=0.470). At 9 months, 38 patients (55.1%) achieved remission, including 18 patients (58.1%) in the 1 g standard treatment group and 20 patients (52.6%) in the 375 mg/m 2 experimental treatment group ( χ2=0.204, P=0.652). At 9 months, the 24 h urine protein of 1 g standard treatment group and 375 mg/m 2 experimental treatment group decreased by 7.93 (6.24, 8.46) g and 7.45 (5.66, 8.67) g (both P<0.05), respectively, and serum albumin increased by 16.4 (15.5, 17.5) g/L and 15.5 (9.0, 15.8) g/L (both P<0.05), respectively, from the baseline value. Kaplan-Meier survival analysis result showed that there was no significant difference in the time of phospholipase A2 receptor titer decreasing to <5 RU/ml between the two groups (Log-rank χ2=3.653, P=0.056). Twenty-three non-serious adverse events occurred in the 1 g standard treatment group, involving 16 patients, and 10 non-serious adverse events occurred in the 375 mg/m 2 experimental treatment group, involving 10 patients. There was better safety in the 375 mg/m 2 experimental treatment group than that in the 1 g standard treatment group ( Fisher value=8.593, P=0.015). Both 375 mg/m 2 regimen and 1 g regimen of RTX in IMN patients are effective in relieving proteinuria and elevating serum albumin. The 375 mg/m 2 regimen of RTX has a lower incidence of adverse events compared with the 1 g regimen.

3.
Chinese Journal of Endocrinology and Metabolism ; (12): 625-631, 2023.
Artigo em Chinês | WPRIM | ID: wpr-994370

RESUMO

Osteosarcopenia is a geriatric disease in which sarcopenia and osteoporosis coexist. With the aging, the incidence of osteosarcopenia will increase significantly in the next few decades, with adverse consequences including a higher risk of falls, fractures, weakness, and death. Early diagnosis and intervention of osteosarcopenia are of great significance in improving the quality of life of the elderly. This article reviews the diagnosis, molecular mechanisms, adverse consequences, and possible treatment options for osteosarcopenia.

4.
Chinese Journal of Cellular and Molecular Immunology ; (12): 385-390, 2023.
Artigo em Chinês | WPRIM | ID: wpr-981877

RESUMO

Objective To investigate the effect of Echinococcus granulosus cyst fluid(EgCF) on the cytoskeletal rearrangement and phagocytosis and the migration of macrophages induced by lipopolysaccharide(LPS). Methods Peritoneal macrophages of C57BL/6 mice were isolated and cultured in vitro, and divided into control group and LPS group and LPS combined with EgCF group. After 48 hours of treatment, filamentous actin (F-actin) changes were observed with rhodamine-labelled phalloidin staining and fluorescence microscopy; TranswellTM chamber was used to test cell migration ability and flow cytometry to test cell phagocytosis. After 1 hour of treatment, PI3K and AKT, phosphorylated AKT (p-AKT), Rac1, guanosine triphospho-Rac1 (GTP-Rac1), WASP and Arp2 protein expressions were detected with Western blot analysis. Results Compared with the control group, after LPS stimulation, macrophages were deformed significantly; pseudopodia increased; actin cytoskeleton increased and was more distributed in pseudopodia; the ability of migration and phagocytosis were significantly improved, and the expression of PI3K, p-AKT, GTP-Rac1, WASP and Arp2 proteins significantly increased. EgCF treatment caused cell shrinkage and disappearance of pseudopodia protrusions of LPS-activated cells, and led to the reduced phagocytic and migratory of cells; the protein expression of PI3K, p-AKT, GTP-Rac1, WASP and Arp2 decreased significantly compared with the LPS group. Conclusion LPS induces the migration and enhances phagocytosis of macrophages while EgCF inhibits these effects, which is related to actin cytoskeleton rearrangement.


Assuntos
Camundongos , Animais , Lipopolissacarídeos/farmacologia , Echinococcus granulosus/metabolismo , Proteínas Proto-Oncogênicas c-akt , Líquido Cístico/metabolismo , Camundongos Endogâmicos C57BL , Macrófagos/metabolismo , Fagocitose , Actinas/metabolismo , Fosfatidilinositol 3-Quinases/metabolismo , Guanosina Trifosfato/farmacologia
5.
Chinese Pharmacological Bulletin ; (12): 387-393, 2022.
Artigo em Chinês | WPRIM | ID: wpr-1014138

RESUMO

Aim To discuss the effect of berberine ( BE) on the activity of HSV-1 virus infected HEp-2 cells and its related molecular mechanisms.Methods Hie infected cell model was constructed and divided into control group, infection group, low concentration group ( 5 (xmol • L 1 -BE) , medium concentration group ( 10 (xmol • L '-BE) and high concentration group ( 15 (xmol • L '-BE) ) , and then incubated for 24 hours.qRT-PCR was used to determine HSV-1 infection-related genes ( gD, ICP-4, ICP-8, ICP-27 ) and mRNA expression levels of LncBNA NRAV, miR- 299-3p, RAB5C.CCK-8 method and flow cytometry were applied to detect cell viability and apoptotic rate.The expression levels of PI3K/AKT signaling pathway and JNK/p38 MAPK signaling pathway related protein were analysed by WB.Results It was found that BE j j reduced the mRNA expression of gD, ICP-4, ICP-8, anrl ICP-27, improved cell viability, and inhibited eell apoptosis.BE promoted the expression of miR-299-3p by inhibiting LncRNA NRAV and RAB5C.BE inhibited the protein expression levels of PBK/AKT signaling pathway and JNK/p38 MAPK signaling pathway proteins PI3K, AKT, JNK, and P38.Conclusions The mechanism that BE enhances the activity of HEp-2 cells after HSV-1 infection and suppresses its apoptosis may be related to LncRNA NRAV and RAB5C targeting competitive binding to miH-299-3p, inhibiting the activation of PBK/AKT signaling pathway and JNK/ p38 MAPK signaling pathway.

6.
Chinese Journal of Experimental Traditional Medical Formulae ; (24): 239-246, 2022.
Artigo em Chinês | WPRIM | ID: wpr-940441

RESUMO

The decline of body function and senile diseases caused by aging seriously affect human health and life span, which is an important topic in the field of life science. Bazi Bushen capsules is a representative Chinese patent medicine for tonifying essence, invigorating Qi and anti-aging, guided by Qiluo doctrine, and essence, Qi and spirit theory. Previous pharmacological and clinical studies have confirmed that this preparation has the comprehensive advantages of anti-aging, and prevention and treatment of aging-related diseases. Among them, pharmacological studies showed that Bazi Bushen capsules had the effect of improving the appearance status of mice, improving the level of sex hormones, inhibiting the formation of atherosclerosis, improving cardiac function, improving learning and memory cognitive ability, improving neurological function, improving osteoporosis and muscle function, improving sperm count and quality. The mechanism was related to the up-regulation of the recombinant sirtuin (SIRT6) level, down-regulation of the levels of aging-related proteins p53 and p16, up-regulation of telomerase reverse transcriptase level, and alleviation of inflammation and oxidative response. Clinical studies have proved that it can improve the symptoms of patients with kidney essence deficiency, improve exercise ability, and improve the sexual function of impotence patients. Anti-aging research of Bazi Bushen capsules based on Qiluo doctrine fully embodies the new mode of academic innovation and transformation of traditional Chinese medicine (TCM) with the combination of "theory-new drug-experiment-clinic", which has made a demonstration for the anti-aging research of TCM.

7.
Chinese Journal of Experimental Traditional Medical Formulae ; (24): 7-15, 2022.
Artigo em Chinês | WPRIM | ID: wpr-940282

RESUMO

Along with increasing degree of population aging globally, senility, good health and long life have become the focus of the world. Guided by Qiluo doctrine, an essence, Qi and spirit theory is proposed as below, essence is the origin of life, Qi is the impetus of life and spirit is the embodiment of life. Based on holistic view of kidney deficiency involving the five internal organs and injuries of the five internal organs definitely affecting the kidney, a mechanism of aging is proposed as below, deficiency of kidney essence is the foundation of aging, deficiency of promordial Qi is the key of aging and physical and spiritual loss is the manifestation of aging. It provides a theoretical guidance for anti-aging study of rejuvenating the elderly and making the strong person stronger. By virtue of the experiences in kidney-tonifying medication accumulated for more than two thousand years, Bazi Bushen capsules has been developed, which has anti-aging efficacy, including tonifying kidney, replenishing essence, coordinating Yin and Yang, supplementing primordial Qi and nourishing body and spirit. Experimental researches have demonstrated that Bazi Bushen capsules can improve overall aging and systemic aging, as well as prevent and treat aging related diseases. Preliminary clinical studies demonstrate that this capsules can enhance athletic ability and improve sexual function, and is expected to become a representative Chinese patent medicine of anti-aging. This paper addresses aging and anti-aging on the basis of Qiluo doctrine, in the hope of helping prevention and treatment of aging related diseases.

8.
Chinese Pharmacological Bulletin ; (12): 1524-1529, 2021.
Artigo em Chinês | WPRIM | ID: wpr-1014492

RESUMO

Aim To investigate the potential protective function of nervonic acid (NA) on the motor disorder in mice subjected to MPTP and the underlying mechanism. Methods The PD mice model was constructed and divided into control group, model group, nervonic acid (20 mg • k g

9.
Chinese Pharmacological Bulletin ; (12): 1213-1218, 2021.
Artigo em Chinês | WPRIM | ID: wpr-1014361

RESUMO

Aim To explore the effects of linoleic acid on the joint swelling in rats caused by rheumatoid arthritis (RA), and to reveal possible mechanism underlying the inhibitory effect of linoleic acid on TLR4/NF-κB signaling pathway in RA. Methods The RA rat model was constructed and divided into control group, model group, linoleic acid (0. 1 mL) group, linoleic acid (0.2 mL) group, linoleic acid (0.4 mL) group and methotrexate (MTX) group. After the model was successfully established, the corresponding drugs were given by gavage for seven days. The control group and the model group were given normal saline. The changes of rat joint swelling were measured; joint pathological damage was assessed by HE staining; the protein expression levels and the mRNA expression levels of TNF-α, IL-1β, IL-6 and IL-10 were determined by ELISA and qRT -PCR; the protein expression levels of TLR4 and p-p65 were determined by immunohisto-chemistry and Western blot. Results Compared with model group, linoleic acid significantly alleviated the joint swelling of RA rats; linoleic acid significantly inhibited the joint pathological damage, and markedly reduced the protein expression levels and mRNA expression levels of TNF-α, IL-1β, IL-6 and IL-10; linoleic acid inhibited the protein expression levels of TLR4 and p-p65 in the TLR4/NF-κB signaling pathway. Conclusions Linoleic acid inhibits the protein expression levels of TLR4 and p-p65 in the TLR4/NF-κB signaling pathway, thereby inhibiting the expression of inflammatory factors TNF-α, IL-1β, IL-6 and IL-10.

10.
Journal of Peking University(Health Sciences) ; (6): 535-540, 2020.
Artigo em Chinês | WPRIM | ID: wpr-942036

RESUMO

OBJECTIVE@#To explore the occurrence pattern and its influencing factors of multi-site work-related musculoskeletal disorders (WMSDs) of the main affected body sites among manufacturing workers.@*METHODS@#Musculoskeletal disorders questionnaire was adopted to investigate the prevalence of WMSDs and the influencing factors among workers from four manufacturing factories in China. The case of WMSDs was defined as the one who had symptoms such as pain, numbness, discomfort, or limitation of activities in one or more of the nine body sites, including neck, shoulder, elbow, wrist/hand, upper back, lower back, hip/thigh, knee and ankle/foot during the last year, which lasted for more than 24 hours and did not completely relieve after rest. Besides, trauma, disability, other acute injuries or sequelae were excluded. The correlation of WMSDs between different body sites was estimated by the prevalence ratio (PR) calculated by log-binominal model. The influencing factors of multi-site WMSDs of the main affected body sites were analyzed by multinomial logistic regression model.@*RESULTS@#The overall prevalence rate of WMSDs was 79.7% among the manufacturing workers. The main affected body sites were lower back, neck, shoulder and upper back, of which the prevalence rates were 62.3%, 55.7%, 45.6%, and 38.7%, respectively. The PR values of WMSDs among these sites were relatively high. The prevalence of multi-site WMSDs involving these four sites at the same time was 25.2%, and that of three to four sites was 41.4%. Multinomial Logistic regression analysis suggested that influencing factors of multi-site WMSDs in 3-4 sites of neck, shoulder, upper back and lower back involved several aspects. Among these factors, females (OR=2.86, 95%CI 2.38-3.33) and individuals with job tenure of 15-19 years (OR=1.87, 95%CI 1.49-2.34) might have higher risk of disease. Biomechanical factors, such as often bending neck forward or holding neck in a forward position for long periods (OR=2.15, 95%CI 1.86-2.48), often twisting neck or holding neck in a twisted position for long periods (OR=1.64, 95%CI 1.40-1.92) and often twisting trunk heavily (OR=1.40, 95%CI 1.20-1.64) might be risk factors. In the aspect of work organization, doing the same work every day (OR=1.73, 95%CI 1.44-2.08), shortage of workers (OR=1.50, 95%CI 1.31-1.71) and often working overtime (OR=1.38, 95%CI 1.20-1.60) might increase the risk of disease. Factors, such as often standing for long periods at work (OR=0.77, 95%CI 0.65-0.91) and feeling breaks sufficient (OR=0.51, 95%CI 0.44-0.59) were suggested to be protective factors with OR<1.@*CONCLUSION@#The pre-valence rates of WMSDs in neck, shoulder, upper back, and lower back were high among manufacturing workers in this study. The correlation of WMSDs of these four sites was close in this study, and the comorbidity rate of 3-4 sites of these sites was relatively high, suggesting that there might be a multi-site occurrence pattern of WMSDs in "neck-shoulder-upper back-lower back" among manufacturing workers. The main influencing factors of this pattern included individual factors, biomechanical factors and work organization factors.


Assuntos
Feminino , Humanos , China , Doenças Musculoesqueléticas , Doenças Profissionais , Prevalência , Fatores de Risco , Ombro , Inquéritos e Questionários
11.
Chinese Traditional and Herbal Drugs ; (24): 2841-2847, 2019.
Artigo em Chinês | WPRIM | ID: wpr-851052

RESUMO

Objective: To prepare sustained-release tablets of tilianin nanosuspension lyophilized powder. The factors that might influence drug release and release mechanism were studied in present study. Methods: High pressure homogenization method was used to prepare tilianin nanosuspension. Lactose and mannitol (3:1) were employed as freeze-drying protective agent to prepare lyophilized powder. HPMC was used as framework material to prepare sustained-release tablets of tilianin nanosuspension lyophilized powder. Based on single factor test, the effects of proportion and amounts of HPMC K4M and HPMC K15, amounts of PEG 4000 and magnesium stearate on in vitro drug release of sustained-release tablets were investigated. Orthogonal test was designed to gain the optimum prescription. Results: The particle size and zeta potential of tilianin nanosuspension were (164.41 ± 9.72) nm and (-37.21 ± 2.38) mV, respectively. The particle size and zeta potential of re-dispersed freeze-drying products were (211.83 ± 11.26) nm and (-31.66 ± 2.92) mV, respectively. The optimum prescription was as follow: the proportion and amounts of HPMC K4M and HPMC K15 were 2:1 and 40 mg, amounts of PEG 4000 was 20 mg, and amounts of magnesium stearate were 0.5%. Sustained release tablets of tilianin nanosuspension were well accorded with Higuchi kinetics model. The equation was Mt/M∞ = 0.286 8 t1/2-0.073 8, r2 = 0.981 4. And the cumulative release could achieve 92.36% in 12 h. The drug release from the tablets was controlled by diffusion and degradation of the matrix. Conclusion: The preparation technology of sustained release tablets of tilianin nanosuspension lyophilized powder has good reproducibility. This sustained release tablets could control the release of tilianin

12.
Chinese Journal of Immunology ; (12): 751-756, 2018.
Artigo em Chinês | WPRIM | ID: wpr-702811

RESUMO

Objective:To investigate the effect of Helicobacter pylori(Hp) infection in patients with chronic atrophic gastritis (CAG) and the expression of transforming growth factor-β receptorⅡ,interleukin 6 and tumor necrosis factor-α in gastric mucosa.Methods:76 cases of gastroscope biopsy specimens were collected in the CAG patients,the infection of Hp was detected by PCR fluorescence,and immunohistochemical staining was used to determine the expression of TGF-βRⅡ,IL-6 and TNF-α in gastric foveolar epithelium and stromal inflammatory cells.Results:There were significant differences in chronic inflammation between Hp-positive and Hp-negative group (P<0.05).Expression of IL-6 in stromal inflammatory cells was significantly different between Hp-positive and Hp-negative group (P<0.05).Expression of TGF-βRⅡ and TNF-α was not significantly different in two groups(P>0.05).IL-6 expressed instromal inflammatory cells were correlated with chronic inflammation (r=0.249,P=0.03).The degree of intestinal metaplasia and dysplasia were correlated with the atrophic severity respectively(r=0.697,0.366).Conclusion:IL-6 is related to the chronic inflammation in patients with CAG who has Hp infection.The chronic atroplic severity promotes the development of intestinal metaplasia and dysplasia.

13.
Journal of Jilin University(Medicine Edition) ; (6): 182-185, 2018.
Artigo em Chinês | WPRIM | ID: wpr-691549

RESUMO

Objective:To investigate the clinical characteristics of patient with giant ovarian mature cystic teratoma with contralateral ovarian endometriosis cysts,and to analyze the diagnostic experience and treatment process.Methods:The chinical materials of one case of giant hepatic mature cystic teratoma with contralateral ovarian endometriosis cyst was analyzed retrospectively,and the related literatures were reviewed.Results:The patient was admitted to the hospital for peritoneal giant mass in a physical examination.A large abdominal cysts was seen by gynecologic ultrasound.In the left ovary,a 61 mm× 48 mm cystic light mass was seen,and the viscous liquid was found in it.The abdominal CT showed a huge lump of mixed density in the right abdomen.The areas of density of fat,calcification density and density of soft tissue were found in the abdomen.The liver was pressured by the mass.The right ovarian tumor size was about 40 cm×35 cm×30 cm,up to the diaphragm,down to the pelvic tumor;the posterior wall of tumor adhered the left lobe of liver and the liver was squeezed to the upper right.The size of the left ovarian endometriosis cyst was about 7 cm × 6 cm× 6 cm.The operation was to remove the right ovarian tumor and left ovarian endometriosis cyst,and to reconstruct bilateral ovaries.The pathological diagnosis was right ovarian mature cystic teratoma and left ovarian endometriosis cyst.After 2 years of follow-up,norecurrence of the tumor was found.The patient was conceived with in vitro fertilization frozen embryo transfer (IVF-ET).Conclusion:The huge mature teratoma combined with contralateral ovarian endometrial cyst,which adhereds to the liver,is rare.Surgical treatment will gain good prognosis.IVF-ET should be early done when the patient is going to be infertile after surgery.

14.
Chinese Journal of Immunology ; (12): 16-19,24, 2017.
Artigo em Chinês | WPRIM | ID: wpr-606153

RESUMO

Objective:To investigate the expression levels of PPARα/γin RAW264. 7 cells in the early stages of co-cultivation with Echinococcus granulosus in vitro. Methods:RAW264. 7 cells were co-cultured with E. granulosus and collected at 12,24,36,48, 72 h. The mRNA levels of PPAR-γ,PPAR-α,M1 macrophages-associated cytokines including TNF-α,MCP-1 and IL-1β,and M2 mac-rophages-associated cytokines including Arg-1,TGF-β and Fizz-1 were detected by qRT-PCR. The protein levels of Arg-1 and MR were analyzed by ELISA. Results:The expression levels of PPAR-γ, PPAR-αand the M2 macrophages-associated cytokines including Arg-1,TGF-β,Fizz-1 and MR were significantly increased,especially at 72 h (P<0. 05). M1 macrophages-associated cytokines including TNF-α,MCP-1 and IL-1β were decreased at 72h although increased at first. Conclusion:During the early stages of co-cultivation with Echinococcus granulosus in vitro, the levels of PPAR-γ/α are up-regulated in RAW264. 7 cells, which may drive macrophage polarization and play a role in the immune escape.

15.
Chinese Journal of Immunology ; (12): 174-177, 2016.
Artigo em Chinês | WPRIM | ID: wpr-491615

RESUMO

Objective:To observe the effect of protoscolex on Th subsets and correlative cytokine in mice spleen cells in vitro.Methods:Co-culture spleen cells from BALB/c mice with protoscolices,then IL-4,IFN-γand TGF-βproduction in cell culture supernatants were analyzed by ELISA.The percentage of Th subsets were detected by Flow Cytometry analysis.Results:Secretion levels of IL-4 and TGF-βwere significantly increased in spleen cells at different time point in co-culture system with protoscolices.Ratios of Th2 and Treg cells were also significantly increased in co-culture system at different time points than the control groups.However,there was no statistical significance for ratio of Th1 cells at different time points.Conclusion:The protoscolex can increase the ratios of Th2 cells and Treg cells from spleen cells.Secretion levels of IL-4 and TGF-βwere also increased in spleen cells co-cultured with protosco-lices.The results suggest that these Th cell subsets play a role in the immune escape of the hydatid disease.

16.
Chinese Journal of Comparative Medicine ; (6): 15-20, 2015.
Artigo em Chinês | WPRIM | ID: wpr-484214

RESUMO

Objective To compare the changes in TLR4-NF-κB signaling pathway in infant and adult mice infected with influenza virus, and to provide experimental evidence for the study of immunopathological mechanism in pediatric respiratory virus susceptibility. Methods Immunohistochemistry and RT-PCR were applied to detect the expressions of lung TLR4 and NF-κB P65 mRNA and proteins in the infant and adult mice, and to compare the changes in TLR4-NF-κB P65 signaling pathway after infection with influenza virus.Results (1) The infant model group showed the strongest expression of TLR4 protein in the lung tissue, compared with that in the normal group and adult model group showing significant differences (P<0.05).(2) The expression of NF-κB P65 protein in the lung tissue was strongest in the infant model group, and it was gradually increased over time, showing a significant difference between each time point and the next time point (P<0.05).(3) The infant model group showed the strongest expression of TLR4 mRNA in lung tissue, significantly higher than that in the normal and adult model groups (P<0.05).(4) The expression of NF-κB P65 mRNA in the lung tissue was highest in the infant model group, and significantly higher than that in the normal and the adult model groups ( P<0.05) , and it was gradually increased with the time.Conclusions The over-activation of TLR4-NF-κB P65 signaling pathway may be one of the immunopathological mechanisms of serious injury in the lung tissue in infant rats.

17.
Chinese Journal of Integrated Traditional and Western Medicine ; (12): 1557-1560, 2013.
Artigo em Chinês | WPRIM | ID: wpr-231646

RESUMO

In recent years, projects funded by the Division V III of Health Sciences of the National Natural Science Foundation of China (NSFC) increased steadily, which enhanced the process of modernization of Chinese medicine (CM). We analyzed CM projects funded by NSFC during 2003 -2012, which aimed to provide reference to experts in the CM field.


Assuntos
China , Fundações , Medicina Tradicional Chinesa
18.
Acta Pharmaceutica Sinica ; (12): 457-465, 2013.
Artigo em Chinês | WPRIM | ID: wpr-235643

RESUMO

Aurora-B as an important kinase to adjust the cell normal mitosis is a potent target for cancer treatment. Aurora-B is overexpressed in a broad range of tumor and tumor cells are more sensitive while Aurora-B is inhibited. Due to the key role of the Aurora-B in cell mitosis, the development of its inhibitors is becoming more and more important. Several small molecules inhibit with a similar efficacy both Aurora-A and Aurora-B, however, in most cases the effects resemble Aurora-B disruption by genetic methods, indicating that Aurora-B represents an effective therapeutic target. There were several Aurora-B kinase inhibitors which had entered the clinics and displayed good antitumor activity. In this review, we will outline the functions of Aurora kinase B in normal cell division and in malignancy. We will focus on recent preclinical and clinical studies that have explored the mechanism of action and clinical effect of Aurora-B inhibitors in cancer treatment.


Assuntos
Animais , Humanos , Aurora Quinase B , Genética , Metabolismo , Ativação Enzimática , Mitose , Neoplasias , Tratamento Farmacológico , Inibidores de Proteínas Quinases , Farmacologia , Usos Terapêuticos , RNA Mensageiro , Metabolismo
19.
Virologica Sinica ; (6): 179-186, 2012.
Artigo em Chinês | WPRIM | ID: wpr-424012

RESUMO

Arboviruses represent a serious problem to public health and agriculture worldwide.Fast,accurate identification of the viral agents of arbovirus-associated disease is essential for epidemiological surveillance and laboratory investigation.We developed a cost-effective,rapid,and highly sensitive one-step triplex RT-PCR enzyme hybridizationassay for simultaneous detections of Japanese Encephallitis virus (JEV,Flaviviridae)Getah virus (GETV,Togaviridae),and Tahyna virus (TAHV,Bunyaviridae) using three pairs of primers to amplify three target sequences in one RT-PCR reaction.The analytical sensitivity of this assay was 1 PFU/mL for JEV,10PFU/mL for GETV,and 10 PFU/mL for TAHV.This assay is significantly more rapid and less expensive than the traditional serological detection and single RT-PCR reaction methods.When “triplex RT-PCR enzyme hybridization” was applied to 29 cerebrospinal fluid(CSF)samples that were JEV-positive by normal RT-PCR assay,all samples were strongly positive for JEV,but negative for GETV and TAHV,demonstrating a good sensitivity,specificity,and performance at CSF specimen detection.

20.
Chinese Journal of cardiovascular Rehabilitation Medicine ; (6): 461-465, 2012.
Artigo em Inglês | WPRIM | ID: wpr-597787

RESUMO

Objective: To observe influence of sensation of uncertainty in illness on curative effect of two-week rehabilitation program in patients with acute myocardial infarction (AMI). Methods: A total of 85 AMI patients recently treated in our hospital were selected continuously. They received two-week rehabilitation program treatment and were assessed by Missals uncertainty in illness scale (MUIS). According to MUIS scores, AMI patients were divided into middle-high score group (74.8~117.4 scores, n=51) and low score group (32~74.7 scores, n=34), and they were compared with 43 patients with coronary heart disease (CHD) angina pectoris (CHD control group) received treatment in the same period. Results: Compared with CHD control group, there were significant increase in each dimension score and total score of MUIS [total score (60.61±12.42) scores vs. (78.34±15.20) scores]in AMI patients (P<0.05~0.01). The exercise peak heart rate of MUIS middle-high score group was significantly higher than that of low score group [(137.80±26.49) times/min vs. (126.12±20.51) times/min, P<0.01]. Compared with low score group, there were significant decrease in total scores of activity of daily living (ADL) scale [(84.15±16.38) scores vs. (73.92±14.21) scores] and the 36-item short-form general heath survey [SF-36, (45.22±6.86) scores vs. (37.95±6.43) scores], and significant increase in total score of symptom checklist (SCL)-90 [(138.35±36.47) scores vs. (151.87±42.61) scores], mean days in CCU [(2.53±0.26)d vs. (2.77±0.29)d], mean days on bed [(4.46±0.25)d vs. (5.38±1.22)d], mean hospital day [(20.48±3.16)d vs. (25.37±3.82)d] and mean inpatient fee [(39.1±8.2) thousand RMB vs. (45.7±9.3) thousand RMB] in middle-high score group, P<0.05~0.01. Conclusion: There is significant sensation of uncertainty in illness in patients with acute myocardial infarction, and it makes curative effect of two-week rehabilitation program significantly decrease.

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