1.Analysis on detecting primary open angle glaucoma based on retinal nerve fiber layer and ganglion cell complex thickness
International Eye Science 2016;16(10):1886-1890
AIM:To investigate the peripapillary retinal nerve fiber layer ( RNFL ) thickness and the macular ganglion cell complex ( GCC ) thickness in primary open angle glaucoma ( POAG ) eyes and to compare them with normal control eyes, and to evaluate the diagnostic ability of peripapillary RNFL thickness and macular GCC thickness in POAG.
●METHODS:This was a cross-sectional study consisting of 56 POAG patients. The control group consisted of 60 normal subjects (60 eyes) were matched in terms of age, sex, diopter and axial length. The peripapillary RNFL thickness and the macular GCC thickness of POAG eyes and normal control eyes were measured and compared by RTVue-100 optical coherence tomography ( OCT ) . To assess the diagnostic utility of peripapillary RNFL thickness and macular GCC thickness in POAG, receiver operating characteristic curves ( ROC ) and areas under the ROC ( AUC) were used.
●RESULTS:The POAG eyes had a thinner peripapillary RNFL and macular GCC than the control eyes at all the regions ( P < 0. 001 ). Multivariable linear regression analysis showed that the peripapillary RNFL thickness and macular GCC thickness was significantly thinner in association with the POAG diagnosis. ROC and AUC analysis showed that the best AUC parameters were C/D (AUC=0. 936; 95% Cl=0. 903, 0. 964) and superior RNFL thickness (AUC=0. 910;95% Cl=0. 889, 9. 455). The AUC of nasal RNFL thickness, inferior RNFL thickness, temporal RNFL thickness, superior GCC thickness, inferior GCC thickness, and average GCC thickness were all above 0. 8 with a good diagnostic value.
●CONCLUSION:The peripapillary RNFL thickness and macular GCC thickness in POAG eyes are thinner than that of normal control eyes. Decreased peripapillary RNFL thickness and macular GCC thickness may be associated with POAG. The peripapillary RNFL thickness and macular GCC thickness have a good diagnostic value.
2.Therapy Effect of N-Acetylcysteine on Lipopolysaccharide-Sensitized Neonatal Rat with Hypoxic-Ischemic Brain Damage
Chun-xia, NIE ; Xiao-yang, WANG ; Chang-lian, ZHU
Journal of Applied Clinical Pediatrics 2006;21(6):378-381
Objective To evaluate the effect of N- acetylcysteine(NAC) on lipopolysaccharide (LPS) - sensitized neonatal rats with hypoxic- ischemic brain damage(HIBD) and possible mechanism except the antioxidant. Methods With the total number of 98 Wistar pups at postnatal day 8 of either sex was used in this study. There were 86 pups which were divided into three groups to evaluate the brain injury:vehicle group ( n = 29) ,low dose (25 mg/kg) ( n = 31 ) and high dose NAC (200 mg/kg) ( n - 26) treatment group. The pups were injected with LPS(0.1 mg/kg)intraperitoneally 3 days before hypoxic- ischemic(HI) insult. Multiple dose of NAC (25 mg/kg or 200 mg/kg) or vehicle was injected intraperitoneally before and after HI. Brain injury was evaluated 7 days after HI. For the Caspase - 3 activity and immunoblotting analysis, the samples were collected at 24 h after HI treated either with vehicle or high dose NAC ( n = 6 per group). Results The brain injury volume was significantly reduced by high dose NAC (200 mg/kg) treatment compared with that of vehicle (77% reduction, P < 0.001 ). The tissue loss was reduced 67 % ( P < 0.001 ) in high dose NAC treated group compared with that of vehicle. However,there was no significant reduction of brain injury in the low dose NAC treatment group compared with vehicle group. Caspase - 3 like activity measurement showed that the activity decreased 53 % after high dose NAC treatment ( P < 0. 001 ) compared with that of vehicle treatment. The immunoblots showed that the active form of Caspase - 3, 17 kDa band, was abolished by the high dose NAC treatment. Conclusions NAC treatment attenuate LPS - sensitized neonatal HI brain injury is dose dependent. The neuroprotective effect involves Caspase - 3 inhibition.
3.Value of Determination Serum Creatine Kinase MB and Cardiac Troponin I to Earlier Diagnosis of Myocardial Injury in Asphyxia Newborn
you-cheng, WANG ; xiao-yuan, TANG ; chang-chun, SHI
Journal of Applied Clinical Pediatrics 1993;0(03):-
Objective To evaluate the value of creatine kinase MB(CK-MB) and cardiac troponin I(cTnI)to earlier diagnosis on myocardial injury in newborn infants with asphyxial.Methods Dynamic variation of serum CK-MB and cTnI levels were measured at birth 1,5 and 10 days,respectively,in 40 asphyxia newborn infants and 20 control neonates.Results Serum CK-MB and cTnI levels of asphyxia neonates were significantly higher than those in control group(P0.05).Conclusion The determination of CK-MB and cTnI levels can help the prediction of myocardial injury after asphyxia.
4.Recent advances of molecular mechanisms influencing prognosis of myelodysplastic syndrome - review.
Juan GUO ; Chun-Kang CHANG ; Xiao LI
Journal of Experimental Hematology 2012;20(4):1020-1024
Myelodysplastic syndrome (MDS) is clonal disorder of hematopoiesis characterized by inefficient hematopoiesis, peripheral blood cytopenias, aberrant differentiation, and risk of progression to acute myeloid leukemia. Although specific karyotypic abnormalities have been found to link to MDS for decades, more recent findings have demonstrated the importance of mutations within individual genes. The recent molecular abnormalities found in MDS include following gene mutation such as TET2, TP53, RUNX1, ASXL1, IDH1/IDH2, EZH2 and RAS. In this review, the recent advances of prognostic molecular markers of MDS and their biological and clinical significance are summarized.
DNA-Binding Proteins
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genetics
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Humans
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Mutation
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Myelodysplastic Syndromes
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diagnosis
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genetics
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Prognosis
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Proto-Oncogene Proteins
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genetics
6.Management of the unresectable malignant obstructive jaundice with metal alloy biliary stents
Huihuan TANG ; Guangfa XIAO ; Xutao TANG ; Shi CHANG ; Jianhua HUANG ; Chun HE ; Xiaoji PAN
Chinese Journal of General Surgery 2001;0(08):-
Objective To investigate the indication and value of metallic stent in the management of patients with malignant obstructive jaundice(OJ). Method The clinical data of 15 patients with malignant OJ treated in our hospital were analysed retrospectively. All the 15 patients were treated with metallic stent including cholangiocarcinoma in 8 cases, carcinoma of gallbladder in 3 cases, pancreatic carcinoma in 2 cases, porta hepatis metastasis of gastric carcinoma after radical gastrectomy in 2 cases. Result All the patients' jaundice disappeared 11-38 days after the stent placement. No severe complications or death occurred in this series. One patient had cholimia 5 days after the stent placement, which was cured by non-operative method. All cases were followed up periodically, the survival time was 30-384 days(averag 180.5 days). Conclusions Installing stent of Titanium-Nickel metallic alloy for the patient with unresectable malignant OJ is an ideal palliative therapy which is simple and less discomfortable.and less complications.The effect of reducing jaundice is satisfactory. This method may offer a new alternative method in the management of malignant OJ.
7.Application of an HPLC correction factor method in pharmaceutical analysis
Ting XIAO ; Chen WANG ; Shang-chen YAO ; Yan-chun FENG ; Chang-qin HU
Acta Pharmaceutica Sinica 2020;55(12):2854-2861
With the in-depth study of related substances and the development of consistency evaluation of generic drugs, relative correction factors are gaining increasing attention. By analyzing the domestic and foreign literature on correction factors in recent years, this paper describes the correction factor component, the current measurement method and its application. The rules and key points of use of an impurity correction factor and its determination and application are described, and some problems in its determination and application are discussed, providing a reference and basis for the standardization of research on impurity correction factors in the future.
8.A new herbs traceability method based on DNA barcoding-origin-morphology analysis--an example from an adulterant of 'Heiguogouqi'.
Xuan GU ; Xiao-qin ZHANG ; Xiao-na SONG ; Yi-mei ZANG ; Li YAN-PENG ; Chang-hua MA ; Bai-xiao ZHAO ; Chun-sheng LIU
China Journal of Chinese Materia Medica 2014;39(24):4759-4762
The fruit of Lycium ruthenicum is a common folk medicine in China. Now it is popular for its antioxidative effect and other medical functions. The adulterants of the herb confuse consumers. In order to identify a new adulterant of L. ruthenicum, a research was performed based on NCBI Nucleotide Database ITS Sequence, combined analysis of the origin and morphology of the adulterant to traceable varieties. Total genomic DNA was isolated from the materials, and nuclear DNA ITS sequences were amplified and sequenced; DNA fragments were collated and matched by using ContingExpress. Similarity identification of BLAST analysis was performed. Besides, the distribution of plant origin and morphology were considered to further identification and verification. Families and genera were identified by molecular identification method. The adulterant was identified as plant belonging to Berberis. Origin analysis narrowed the range of sample identification. Seven different kinds of plants in Berberis were potential sources of the sample. Adulterants variety was traced by morphological analysis. The united molecular identification-origin-morphology research proves to be a preceding way to medical herbs traceability with time-saving and economic advantages and the results showed the new adulterant of L. ruthenicum was B. kaschgarica. The main differences between B. kaschgarica and L. ruthenicum are as follows: in terms of the traits, the surface of B. kaschgarica is smooth and crispy, and that of L. ruthenicum is shrinkage, solid and hard. In microscopic characteristics, epicarp cells of B. aschgarica thickening like a string of beads, stone cells as the rectangle, and the stone cell walls of L. ruthenicum is wavy, obvious grain layer. In molecular sequences, the length of ITS sequence of B. kaschgarica is 606 bp, L. ruthenicum is 654 bp, the similarity of the two sequences is 53.32%.
Berberis
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classification
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cytology
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genetics
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China
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DNA Barcoding, Taxonomic
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methods
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DNA, Plant
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chemistry
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genetics
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DNA, Ribosomal Spacer
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chemistry
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genetics
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Drug Contamination
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Drugs, Chinese Herbal
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isolation & purification
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standards
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Lycium
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classification
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cytology
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genetics
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Medicine, Chinese Traditional
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Phylogeny
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Sequence Analysis, DNA
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Species Specificity
9.Current state of community nurse training in Jilin province and its development orientation
Xiao-Nan ZHOU ; Chun-Yu LI ; Chun-Chang LI ; Yu-Hui GAO ; Ping SHANG ; Cai-Fu LI ; Ren-Shang CUI
Chinese Journal of Modern Nursing 2011;17(10):1117-1120
Objective To understand the current state of community nurses in Jilin Province and its nursing training so as to provide basis for constructing community nursing training system. Methods 583 community nurses from community health care service centers (stations) in three cities of Jilin Province were investigated with cluster random sampling method to acquire their proficiency level of community nursing knowledge and its demand. Results Common basic nursing knowledge was best mastered by community nurses (63.8%), while knowledge about scientific research was worst mastered (13.6%). Community nurses who were young, in low positions, with work experience for 5 to 9 years, mastered the knowledge worse, 42.9% of them did not attend training. The commonest training problem was that the training period was too short (64.6%); the highest demand was common diseases training for the elderly. Conclusions Nursing training is an important way to improve overall quality of community nurses in the light of unbalance status of their quality in our province and training not being put into place.
10.Effects of guizhi fuling capsule on sex hormone levels and breast issue morphology of mammary gland hyperplasia model rats.
Xiu-juan CHANG ; Jun ZHOU ; Shuai ZHANG ; Jian CHEN ; Chun-miao CHEN ; Zhen-zhong WANG ; Wei XIAO
China Journal of Chinese Materia Medica 2014;39(21):4139-4142
OBJECTIVETo research the effects of Guizhi Fuling capsule on sex hormones levels in blood serum and breast issue morphology of hyperplasia of mammary glands model rats.
METHODThe unpregnancy SD rat models of hyperplasia of mammary glands were established by injecting 0.5 mg x kg(-1) benzoate estradiol. After five weeks doses,the effects of Guizhi Fuling capsule 2.0, 1.0, 0.5 g x kg(-1) and Rupixiao tablet 0.5 g x kg(-1) on the changes of papilla diameter, height and breast issue morphology of the naimal models were explored, and sex hormones levels in blood serum were measured.
RESULTGuizhi Fuling capsule can inhibitnipple swell, improve breast tissue morphology pathological profiles of the animal models, and decrease oestradiol (E2) level and increase progesterone (P) level in blood serum.
CONCLUSIONThese results suggested that Guizhi Fuling capsule could, improve mammary gland pathological profiles. Regulating sex hormone levels may be its important mechanism for treatment of hyperplasia of mammary glands.
Animals ; Capsules ; Drugs, Chinese Herbal ; pharmacology ; Female ; Gonadal Steroid Hormones ; blood ; Hyperplasia ; Mammary Glands, Animal ; drug effects ; pathology ; Rats