1.Analysis of the Deficiency of Postnatal Lack of Lactation of
Journal of Zhejiang Chinese Medical University 2017;41(2):127-129
[Objective] The artical summarizes
2.Influence of Nbn gene on the development of granular cells in hippocampus of neonatal mouse
Medical Journal of Chinese People's Liberation Army 1982;0(03):-
Objective To investigate the influence of neuro-specific DNA repair gene Nbn on the development of granular cells in hippocampus of monatal mouse. Methods The hippocampus development of postnatal mouse was evaluated by comparing the morphological differences of granular cells in hippocampus between the Nbn gene knockout mice (Nbn-CNS-Del) and the controls (Nbn-CNS-Ctr). Serial sections, immunohistochemistry and stereology methods were used to quantitatively analyze the development of granular cells in hippocampus of mice on the postnatal day 7, 14 and 21 (P7d, P14d and P21d). Results In Nbn-CNS-Ctr group, the granular layer in hippocampus manifested "C" in shape, the section area of granular layer was increased, and so was the cell body of granular cells in hippocampus during P7d to P21d; the inner arm granular cells in granular layer of hippocampus emerged on P7d, and most obvious changes occurred during P7d to P14d. While in Nbn-CNS-Del group, the granular layer in "C" shape were seen to form in most of the specimens during P7d to P21d, though they were sparsely distributed. Compared with that of the mice in Nbn-CNS-Ctr group, the development of granular layer in hippocampus of the mice in Nbn-CNS-Del group lagged obviously, and the sectional area of granular cells decreased significantly (P
3.Development and aging of C57/BL6 mouse hippocampus
Jingkun ZHANG ; Li ZHANG ; Min GUO
Journal of Xi'an Jiaotong University(Medical Sciences) 2004;0(05):-
Objective To investigate the morphological changes during the development and aging of C57/BL6 mouse hippocampus.Methods Serial sections and stereology were used to quantitatively analyze the development of C57/BL6 mouse hippocampus at different growth stages.Results Hippocampus primordium first appeared at embryonic day 12(E12d).A "C" outline could be seen in the pyramidal layer of Ammon's horn(CA),and the extra-arm's blanket of the dentate gyrus(DG)'s granular layer formed at E18d.After birth,CA developed and maturated gradually.The blanket of DG's granular layer formed at postnatal day 7(P7d).At P21d,the inner arm's thickness of DG's granular layer was equal to that of the extra-arm,and the subgranular layer was present until month 15(15M).The increase of the volume of hippocampus,CA,DG and CA's layers was slow before P7,became fast from P7d to P14d and slowed down again after P14d,but became stable after 3M.Conclusion Mouse hippocampus is formed at E12 and becomes basically mature at month 3.The volume of aging mouse hippocampus has no obvious changes.
4.SPECT/CT evaluation for lumbago in post-lumbar spinal fusion patients
Binqing ZHANG ; Huili GUO ; Min ZHANG
Chinese Journal of Nuclear Medicine and Molecular Imaging 2017;37(7):392-394
Objective To evaluate the value of SPECT/CT for detecting the causes of lumbago in post-lumbar spinal fusion patients. Methods From January 2009 to December 2015, 53 patients (31 males, 22 females, age: (42.3±5.3) years) with lumbago after lumbar spinal fusion, without positive CT and digital radiography (DR) findings, were included in this study and were further examined by SPECT/CT imaging. The final diagnosis was made according to clinical symptoms, multimodality imaging findings, and treatment outcome. All patients were followed up for at least 6 months. Results Thirty-eight patients had positive findings with SPECT/CT imaging, including 23 patients with screw loosening, 6 patients with lumbar fusion cage aseptic inflammation and 9 patients with impingement. The other 15 patients had negative results. The diagnostic sensitivity of SPECT/CT for detecting causes of lumbago was 71.7% (38/53). The diagnostic sensitivity and positive predictive value of SPECT/CT for complications caused by internal fixators were both 100% (38/38). Conclusion SPECT/CT scanning could be a clinical valuable tool for inspecting the cause of lumbago in post-lumbar spinal fusion patients.
5.The Exploration and Estimate of Bilingual Teaching in Histology and Embryology
Li ZHANG ; Min GUO ; Ping ZHANG
Chinese Journal of Medical Education Research 2006;0(10):-
Objective:To explore the effect of bilingual teaching applied to the classes of histology and embryology.Methods The bilingual teaching was tentatively preformed in a part of the undergraduates in our school during their classes of histology and embryology.Results The effect of bilingual teaching was obviously superior to the traditional one.The theory examination scores and the ability of reading and using professional English were higher in the class which employed the bilingual teaching than in the control ones.Some students thought that the bilingual teaching could mobilize their activities.Conclusion The application of bilingual teaching in Histology and Embryology has a positive significance to improve the quality of teaching.
6.Effects of Rhamnocitrin in Oxytropis Falcata on Nonspecial Immune Function of ;Immunosuppressive Mice
Min GUO ; Li ZHANG ; Hua JIANG
Chinese Journal of Information on Traditional Chinese Medicine 2015;(5):57-59
Objective To study action mechanism of rhamnocitrin in Oxytropis Falcata on enhance the immune function. Methods Kunming mice were randomly divided into blank control group, model group, positive control group, traditional Chinese medicine high, medium, and low dose groups. All treatment groups received gavage with relevant medicine for 10 days. From the 8th day, blank control group received intraperitoneal injection with normal saline, while other groups received intraperitoneal injection with cyclophosphamide for 3 days. Through macrophages carbon clearance test, macrophage phagocytosis of chicken erythrocytes test, and immunosuppressive mice organ index detection, effects of rhamnocitrin in Oxytropis Falcata on nonspecific immune function of immunosuppressive mice were observed. Results Compared with model group and blank control group, traditional Chinese medicine high, medium, and low dose groups could improve the phagocytic activity of immunosuppressive mice, clearance index, and phagocytic coefficient (P<0.05), and increase the organ index of the thymus and spleen. Compared with the positive control group, the efficacy of traditional Chinese medicine high, medium, and low dose groups was low. Conclusion Rhamnocitrin in Oxytropis Falcata can enhance the immune function, improve the formation of spleen cells of mice serum hemolysin of chicken red blood cell immune.
7.Clinical Applied Value of the Early Slope Value of MR Contrast-Enhancement in Differentitating Benign Musculoskeletal Neoplasms from Malignant Ones
Huili GUO ; Min ZHANG ; Jingliang CHENG
Journal of Practical Radiology 2000;0(02):-
Objective To investigate the clinical applied value of the early slope value of MR contrast-enhancement in differentitating benign from malignant musculoskeletal neoplasms.Methods 48 patients with benign or malignant musculoskeletal masses(26 benign,22 malignant) confirmed by pathology underwent dynamic contrast-enhanced scanning.The largest slope of dynamic enhancement in early stage and SI-Time curve type were gained and the difference of them in benign and malignant musculoskeletal tumours were analysed.Spearman rank correlation analysis was used to determine the relation between slope and microvessel density of tumor tissues.Results There were 3 SI-Time curve types in all cases with typeⅠ(precipitous rise) in 22 cases,type Ⅱ(slow rise) in 21 cases and type Ⅲ(slight rise) in 5 cases.The average early slope value of enhancement was(4.23?2.68)% per second(range 0.96%~10.53%)in malignant tumors,and(1.44?0.99)% per second(range 0.36%~3.76%)in benign tumors.There was an apparent statistical significance between benign and malignant tumors(P
8.Effect of Nbn gene on hippocampus development in postnatal mice
Kun WANG ; Rui ZHANG ; Min GUO
Journal of Xi'an Jiaotong University(Medical Sciences) 2004;0(05):-
Objective To investigate the role of neuro-specific DNA repair gene Nbn in mouse hippocampus development by observing the morphological differences in Nbn-CNS-Del and Nbn-CNS-Ctr mice.Methods Serial sections and stereology were used to quantitatively analyze the development of mouse hippocampus on postnatal day 7,14 and 21.Results Compared with that of the control group,the hippocampus development of Nbn-CNS-Del mice lagged behind.In Nbn-CNS-Del mice,on day 21,the profile area of pyramidal layer of hippocampus and granular layer of dentate gyrus decreased(P
9.MRI Diagnosis and Clinical Analysis of Achilles Tendon Injury
Huili GUO ; Min ZHANG ; Jingliang CHENG
Journal of Practical Radiology 1992;0(11):-
Objective To study the diagnostic value of achilles tendon injury(ATJ) and the diagnostic standards for different severities of the injury by MRI.Methods Twenty-six cases of traumatic ATJ proved both clinically and surgically and had complete MRI materials were selected.The characteristic MRI appearances were summed up and retrospectively compared with that of 10 normal achilles tendons.Results The results were as follows :(1) MRI appearances of 10 normal achilles tendons : regular course,smooth margin,homogenous hypointensity on T_1WI and T_2WI;(2) MRI appearances of 17 partial ATJs:tendon thickening,decreased ratio of wide/vertical diameter,localized hyperintensity in tendon on T_1WI and T_2WI,crude and irregular fibrous bundles but at least keeping one continuous layer on sagital view;(3) MRI appearances of 9 total ATJs: tendon thickened and irregular appearance,totally discontinuous fibrous bundles,"brush" or "pestle" change and mixed hyperintensity on T_1WI and T_2WI;(4) 7 cases with bone contrusion and soft tissue injury,2 cases with ligament injury,2 cases with bone and cartilage injury and 11 cases with fluid collected around tendon.Conclusion MRI can accurately judge thenature,range,degree and complications of ATJ and is of great value for preoperative plan of the treatment program and the postoperativeanalysis of the therapeutic effect.
10.The genetic factors of warfarin individual variation
Min ZHANG ; Guo WANG ; Honghao ZHOU
Chinese Pharmacological Bulletin 2003;0(07):-
Warfarin is one of the most widely used anticoagulants in clinical setting.There are great interindividual differences in both therapeutic efficacy and dose requirement,which greatly limits its application in clinic.This article summarizes the influence of genetic factors on interindividual and interethnic differences of warfarin,providing sufficient guidance for personalized medicine.