1. Experimental study on the therapeutic effects of nimustine combined with cisplatin on C6 brain glioma
Tumor 2008;28(11):946-950
Objective: To observe the synergistic effects of nimustine(ACNU) and cisplatin(CDDP) in the treatment of glioma, and investigate the theoretical basis for the combined chemotherapy in clinic. Methods: The cell cycle and apoptosis of C6 glioma cells were examined by flow cytometry after treatment with ACNU plus CDDP for 24 h in vitro. C6 glioma cells were transplanted into the brain of Wistar rats to establish the C6 brain glioma model. The Wistar rats were treated with ACNU plus CDDP for 3 days, and then some rats were sacrificed. Morphological changes of tumor tissues were examined by HE staining. The protein expression of proliferating cell nuclear antigen (PCNA) and apoptosis-associated gene bcl-2 were tested by immunohistochemical method. The survival time of the Wistar rats were observed. Results: The FCM test found that there was no significant difference in cell cycle distribution between combined therapy group and single ACNU therapy group. The apoptotic rate increased after combined therapy [(2.10 ± 0.14)%] compared with single CDDP therapy group [(1.72±0.21)%] and ACNU single therapy group [(0.57±0.01)%]. The difference was significant (P < 0.01). Histological examination revealed the decreased number of the invaded focuses in the margin of the tumor body. Immunohistochemistry analysis indicated that the protein expression levels of PCNA and bcl-2 decreased compared with single therapy group (P < 0.01). The rats in the combined therapy group had longer survival time compared with those received single therapy. The difference was significant (P < 0.01). Conclusion: The combination of ACNU plus CDDP has apparent synergistic effects in the treatment of malignant brain glioma compared with single drug therapy.
2.A clinical study of biological zinc for the treatment of male infertility with chronic prostatitis.
Chun-Hua DENG ; Bin ZHENG ; Sheng-Fei SHE
National Journal of Andrology 2005;11(2):127-129
OBJECTIVETo evaluate the efficacy of biological zinc in the treatment of male infertility with chronic prostatitis (MICP).
METHODSThirty-eight patients with MICP were treated with biological zinc. The zinc concentration in the semen and the seminal parameters were tested before and after using biological zinc.
RESULTSAfter treatment, the zinc concentration in the semen was increased markedly, and the semen liquefaction and the sperm motility were also improved in the patients who had received biological zinc supplementation as compared with those who had not (P < 0.05).
CONCLUSIONIt is suggested that biological zinc has the effect of increasing zinc concentration in semen, and the supplementation of biological zinc for one of the effective methods for the treatment of MICP.
Adult ; Chronic Disease ; Humans ; Infertility, Male ; complications ; drug therapy ; Male ; Prostatitis ; complications ; drug therapy ; Semen ; metabolism ; Sperm Motility ; drug effects ; Zinc ; metabolism ; therapeutic use
3.Role of CD2-associated protein in podocyte differentiation..
Hua-Jun JIANG ; Ying CHANG ; Zhong-Hua ZHU ; Jian-She LIU ; An-Guo DENG ; Chun ZHANG
Acta Physiologica Sinica 2008;60(1):135-142
To study the cellular changes and the potential role of CD2-associated protein (CD2AP) in podocyte differentiation, conditionally immortalized murine podocyte cell line was cultured in RPMI 1640 medium under permissive condition at 33 °C. After transfection with CD2AP small interfering RNA (siRNA) the cells were shifted to non-permissive condition at 37 °C. Simultaneously, untransfected cells were taken as differentiation control. The podocyte proliferation rate was determined by MTT method. The expressions of CD2AP, WT1, synaptopodin and nephrin mRNAs were examined by RT-PCR. CD2AP, WT1 and nephrin protein expressions were examined by Western blot. The distribution of CD2AP, nephrin, F-actin and tubulin in differentiated and undifferentiated podocytes was detected by laser scanning confocal microscopy. The results showed: (1) CD2AP, WT1 and nephrin were stably expressed in differentiated and undifferentiated podocytes while synaptopodin was only expressed in differentiated podocytes. (2) CD2AP and nephrin mRNA and protein expressions were up-regulated during podocyte differentiation (P<0.05). (3) CD2AP and tubulin were distributed in the cytoplasm and perinulcear region in undifferentiated podocytes, and F-actin was predominantly localized to a cortical belt and paralleled to the cell axis. Under differentiation condition, CD2AP distribution profile was presented as peripheral accumulation, tubulin took on fascicular style and F-actin extended into foot processes in podocytes. CD2AP colocalized with nephrin and F-actin in undifferentiated podocytes. (4) After transfection with CD2AP siRNA, the expression of CD2AP was partially inhibited and cell growth was arrested; Synaptopodin, the differentiation podocyte marker, was apparently down-regulated; The differentiation of podocytes was delayed. The results demonstrate that podocyte differentiation is accompanied by cytoskeleton rearrangement and cell morphology change. CD2AP might play an essential role in podocyte differentiation.
Actins
;
metabolism
;
Adaptor Proteins, Signal Transducing
;
physiology
;
Animals
;
Cell Differentiation
;
Cell Line
;
Cytoskeletal Proteins
;
physiology
;
Cytoskeleton
;
metabolism
;
Membrane Proteins
;
metabolism
;
Mice
;
Microfilament Proteins
;
metabolism
;
Podocytes
;
cytology
;
RNA, Small Interfering
;
Transfection
;
WT1 Proteins
;
metabolism
4.Investigating the correlation between polymorphisms with couple sharing rate of TAP gene and hypertensive disorder complicating pregnancy.
Mei-yang GAO ; Ai-hua WU ; Chun-xia WEN ; Da-xian SHE ; Sheng-qiang CHEN
Chinese Journal of Medical Genetics 2006;23(2):165-168
OBJECTIVETo investigate and clarify whether the genetic susceptibility to women with hypertensive disorder complicating pregnancy or pre-eclampsia is associated with polymorphisms and couple sharing rate of transporter associate with antigen processing genes(TAP).
METHODSOne hundred and two severe pre-eclampsia women and their spouses served as study group, and 200 normal pregnant women and their spouses were selected as control group. All pregnant women were primipara with single fetus. Genomic DNA was extracted from 2 mL cubital venous blood. We used the amplification refractory mutation system polymerase chain reaction(ARMS-PCR) to characterize TAP gene locus 333, 637, 379, 565, 665.
RESULTSWe observed eleven TAP haplotypes. There were four kinds of haplotypes(1A-1D) existing in TAP1, and seven kinds of haplotypes(2A-2G) existing in TAP2. The gene frequencies of TAP2B(Chi2=9.19, P<0.01, RR=4.18) and TAP2F(Chi2=5.34, P<0.05, RR=4.63) of patient group with pre-eclampsia were significantly higher as compared with control group. The analyses of some TAP haplotypes such as TAP1B(Chi2=4.87, P<0.05, RR=3.14), TAP1C(Chi2=5.42, P<0.05, RR=4.90), TAP2B(Chi2=9.65, P<0.01, RR=5.39) showed that the couple sharing rate of pre-eclampsia women and their spouses had statistically a highly significant increase in comparison with that of controls.
CONCLUSIONOur data suggest that the presence of TAP2B or TAP2F haplotypes should be considered as a risk increased to pregnant women being susceptible to hypertensive disorder complicating pregnancy; and also the elevated couple sharing rates of TAP1B, TAP1C and TAP2B genes will increase the opportunity or possibility of pregnant women suffering from pre-eclampsia disease.
ATP-Binding Cassette Transporters ; genetics ; Adult ; Family Characteristics ; ethnology ; Female ; Genotype ; Humans ; Hypertension ; complications ; Male ; Polymorphism, Genetic ; Pregnancy ; Pregnancy Complications ; etiology ; genetics
5.Mutations and expressions of p53 gene during the liver tumor promotion by microcystin LR.
Zhi-jian HU ; Hua CHEN ; Jin-fa XUE ; Xiao-yang ZHANG ; Chun-yan PANG ; Xian-e PENG ; Peng LÜ ; Yuan-she SUN
Chinese Journal of Hepatology 2011;19(9):698-700
Animals
;
Gene Expression
;
Genes, p53
;
Liver
;
drug effects
;
metabolism
;
pathology
;
Liver Neoplasms
;
metabolism
;
pathology
;
Male
;
Microcystins
;
toxicity
;
Mutation
;
Rats
;
Rats, Wistar
6.Application of apparent diffusion coefficient in children aged 2-12 years with intellectual disability/global developmental delay who have normal conventional brain MRI findings.
Lin LI ; Jian-She ZHAO ; Zai-Fen GAO ; Chang-You MA ; Chun-Hua DONG ; Hong-Wei ZHANG
Chinese Journal of Contemporary Pediatrics 2019;21(6):541-546
OBJECTIVE:
To study the value of fast spin-echo diffusion weighted imaging (TSE-DWI) apparent diffusion coefficient (ADC) in children aged 2-12 years with intellectual disability (ID)/global developmental delay (GDD) who have normal conventional brain MRI findings.
METHODS:
A total of 578 children with normal conventional brain MRI findings who met the diagnostic criteria for ID/GDD and 375 normal children were enrolled. Their imaging and clinical data were collected. All children underwent scanning with brain TSE-DWI sequence and routine sequence. ADC values of each brain region were compared between normal children with different ages, as well as between children with different degrees of ID/GDD in each age group. The influence of Adaptive Behavior Assessment System-II (ABAS-II) score on ADC values of each brain region was analyzed.
RESULTS:
For the normal children, the ADC values of the frontal and temporal white matter, the corpus callosum, the inner capsule, the centrum semiovale, the cerebellar dentate nucleus, the optic radiation, the thalamus, the lenticular nucleus, and the caudate nucleus gradually decreased with age (P<0.05). ADC values of the deep white matter, the shallow white matter, the deep gray matter nuclei, and the shallow gray matter increased with the increase in the degree of ID/GDD in the ID/GDD children aged 4-6 years (P<0.05). In the children with ID/GDD, the ADC values of the deep white matter, the shallow white matter, and the deep gray matter nuclei decreased with age (P<0.05). The ADC values of the children with ID/GDD decreased with the increase in ABAS-II score (P<0.05).
CONCLUSIONS
ADC can reflect the subtle structural changes of brain regions in children with ID/GDD who have normal conventional brain MRI findings. It may be associated with social adaptation. It can provide an objective basis for the quantitative diagnosis of ID/GDD in children.
Brain
;
Child
;
Child, Preschool
;
Diffusion Magnetic Resonance Imaging
;
Humans
;
Intellectual Disability
;
diagnostic imaging
;
Magnetic Resonance Imaging
;
White Matter
7.Professor LIN Guo-hua's clinical experience in staging treatment for post-stroke dysphagia.
Ya-Lin SHE ; Jing-Chun ZENG ; Yong-Zheng WEI ; Na ZHANG ; Xin-Dong WANG ; Shi-Yu LIN ; Guo-Hua LIN
Chinese Acupuncture & Moxibustion 2022;42(1):79-82
The paper summarizes professor LIN Guo-hua's clinical experience in staging treatment for post-stroke dysphagia. Professor LIN Guo-hua adheres to "essence and marrow deficiency and primary yang decline" as the pathogenesis and "conducting yin from yang " as the treating principle. By regulating the conception vessel and the governor vessel and focusing on yang meridians, in association with meridian differentiation and the location differentiation, professor LIN provides the staging treatment for post-stroke dysphagia. At the oral phase, yangming is dysfunction, manifested as facial paralysis and flaccid tongue. In treatment, reducing method is predominated at yangming meridian specially. At the pharyngeal phase, shaoyang is invaded by pathogens, manifested as pivoting dysfunction. The treatment focuses on communicating the exterior with the interior and promoting shaoyang meridian. At the esophageal phase, yangming meridian is deficiency and the turbid qi fails to descend, thus the reinforcing method is dominated to promote and tonify yangming. Additionally, the kinesiotherapy of acupuncture is assisted and the Lingnan fire needling therapy is used particularly. All of the summaries above provide the reference for the clinical treatment of post-stroke dysphagia.
Acupuncture
;
Acupuncture Points
;
Acupuncture Therapy
;
Deglutition Disorders/therapy*
;
Humans
;
Meridians
8.Prevalence, awareness, treatment, and control of hypertension in the non-dialysis chronic kidney disease patients.
Ying ZHENG ; Guang-Yan CAI ; Xiang-Mei CHEN ; Ping FU ; Jiang-Hua CHEN ; Xiao-Qiang DING ; Xue-Qing YU ; Hong-Li LIN ; Jian LIU ; Ru-Juan XIE ; Li-Ning WANG ; Zhao-Hui NI ; Fu-You LIU ; Ai-Ping YIN ; Chang-Ying XING ; Li WANG ; Wei SHI ; Jian-She LIU ; Ya-Ni HE ; Guo-Hua DING ; Wen-Ge LI ; Guang-Li WU ; Li-Ning MIAO ; Nan CHEN ; Zhen SU ; Chang-Lin MEI ; Jiu-Yang ZHAO ; Yong GU ; Yun-Kai BAI ; Hui-Min LUO ; Shan LIN ; Meng-Hua CHEN ; Li GONG ; Yi-Bin YANG ; Xiao-Ping YANG ; Ying LI ; Jian-Xin WAN ; Nian-Song WANG ; Hai-Ying LI ; Chun-Sheng XI ; Li HAO ; Yan XU ; Jing-Ai FANG ; Bi-Cheng LIU ; Rong-Shan LI ; Rong WANG ; Jing-Hong ZHANG ; Jian-Qin WANG ; Tan-Qi LOU ; Feng-Min SHAO ; Feng MEI ; Zhi-Hong LIU ; Wei-Jie YUAN ; Shi-Ren SUN ; Ling ZHANG ; Chun-Hua ZHOU ; Qin-Kai CHEN ; Shun-Lian JIA ; Zhi-Feng GONG ; Guang-Ju GUAN ; Tian XIA ; Liang-Bao ZHONG ; null
Chinese Medical Journal 2013;126(12):2276-2280
BACKGROUNDData on the epidemiology of hypertension in Chinese non-dialysis chronic kidney disease (CKD) patients are limited. The aim of the present study was to investigate the prevalence, awareness, treatment, and control of hypertension in the non-dialysis CKD patients through a nationwide, multicenter study in China.
METHODSThe survey was performed in 61 tertiary hospitals in 31 provinces, municipalities, and autonomous regions in China (except Hong Kong, Macao, and Taiwan). Trained physicians collected demographic and clinical data and measured blood pressure (BP) using a standardized protocol. Hypertension was defined as systolic BP ≥ 140 mmHg and/or diastolic BP ≥ 90 mmHg, and/or use of antihypertensive medications. BP < 140/90 mmHg and < 130/80 mmHg were used as the 2 thresholds of hypertension control. In multivariate logistic regression with adjustment for sex and age, we analyzed the association between CKD stages and uncontrolled hypertension in non-dialysis CKD patients.
RESULTSThe analysis included 8927 non-dialysis CKD patients. The prevalence, awareness, and treatment of hypertension in non-dialysis CKD patients were 67.3%, 85.8%, and 81.0%, respectively. Of hypertensive CKD patients, 33.1% and 14.1% had controlled BP to < 140/90 mmHg and < 130/80 mmHg, respectively. With successive CKD stages, the prevalence of hypertension in non-dialysis CKD patients increased, but the control of hypertension decreased (P < 0.001). When the threshold of BP < 130/80 mmHg was considered, the risk of uncontrolled hypertension in CKD 2, 3a, 3b, 4, and 5 stages increased 1.3, 1.4, 1.4, 2.5, and 4.0 times compared with CKD 1 stage, respectively (P < 0.05). Using the threshold of < 140/90 mmHg, the risk of uncontrolled hypertension increased in advanced stages (P < 0.05).
CONCLUSIONSThe prevalence of hypertension Chinese non-dialysis CKD patients was high, and the hypertension control was suboptimal. With successive CKD stages, the risk of uncontrolled hypertension increased.
Adult ; Aged ; Awareness ; Female ; Humans ; Hypertension ; complications ; epidemiology ; therapy ; Male ; Middle Aged ; Prevalence ; Renal Insufficiency, Chronic ; complications