1.Non-coding RNAs and erectile dysfunction: An update.
National Journal of Andrology 2016;22(2):160-164
Erectile dysfunction (ED) is a disease associated with a variety of factors such as age, psychological factors, physical conditions, and lifestyle, and it severely affects the patients quality of life. In the past, some non-coding RNAs (ncRNAs) transcribed by genes but not translated into the protein were regarded as the "waste" in the process of gene expression. But in the recent years, ncRNAs have been found to play a crucial role in regulating gene expression and its products, which may affect penile erectile function. This review focuses on the recent progress in the studies of the relationship between ncRNAs and erectile dysfunction.
Erectile Dysfunction
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genetics
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Gene Expression
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Humans
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Male
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Quality of Life
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RNA, Untranslated
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physiology
2.Problems and Solutions on the Management of Medical Devices in Different Places.
Chinese Journal of Medical Instrumentation 2015;39(6):445-448
The license management of medical devices is an important part of production supervision, but there are some contradictions and confusion in the relevant legislation. The right way of resolve the plight is to distinguish correctly license application on the medical devices production for the first time, license change and license continuity, and then make the appropriate regulatory requirements.
China
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Durable Medical Equipment
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Licensure
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legislation & jurisprudence
3.In vitro and in vivo models of osteosarcoma for research of enhanced green fluorescent protein expression
China Oncology 2010;20(1):27-30
Background and purpose: Mouse osteosarcoma model was widely used in osteogenic malignant tumor research, and it was helpful for studying the invasion and metastasis of the tumor cells when it was well marked in vivo. The purpose of this study was to establish mouse sarcoma cell lines (S180) that were infected with enhanced green fluorescent protein(EGFP). Methods: EGFP-S180 expressing strong EGFP fluorescence was acquired by electroblot, and supplemented with G418 (800 mg/mL), c-Myc was detected by laser scanning confocal microscopy. Meanwhile, the cancer-bearing model was established subcutaneously within the abdominal cavity. Results: EGFP-S 180 cells were cloned. There was no significantly difference between c-Myc expressions in S180 cells and those in EGFP-S180 cells (P>0.05), and between the cancer-bearing time subcutaneously and the time within abdominal cavity (P>0.05). Conclusion: According to in vitro and in vivo assay, it showed that EGFP-expressing S180 cells could be used for studying further the tumor biological behavior with fluorescence technology.
4.A method of assessing the thickness of myocardial basement membranes
Chinese Pharmacological Bulletin 2003;0(10):-
Aim To observe the thickness changes of cardiomyocyte and microvascular basement membranes(BM)and the expression of collagen Ⅳ in Gk rats of different months and STZ-induced diabetic rats,and to explore the method that operated easily and could assess the thickness of myocardial BM.Methods GK rats of the fourth,fifth,sixth,seventh months,Streptozotocin induced diabetes rats of fifth months and normal Wister rats were respectively divided into different groups with ev eight rats in each group.The myocardial section was stained by methenamine silver and immunohistochemistry was performed for collagen Ⅳ.Left ventricular endocardium was selected as measuring view.Through computer image analysis,the ratio of BM positive staining density(BMPSD)and positive staining density of collagen Ⅳ(CPSD)were calculated separately in all myocardium.Take the ratio to assess the thickness of myocardial BM and the expression of collagen Ⅳ.Results The glycemia,BMPSD and CPSD of the two diabetes rats were higher than those of the normal rats,having highly remarkable difference(P0.05).Conclusion By methenamine silver staining for myocardial section,calculating BMPSD through computer image analysis,can be an index to assess the thickness of myocardial BM.
5.Reform of training model for medical information professionals
Chinese Journal of Medical Library and Information Science 2015;(11):17-19,66
After the need of medical information professionals was analyzed, the reform of training model for medi-cal information professionals in Department of Information Management and Information System, Hubei Medical and Pharmaceutical College, was described in aspects of the position of its training target, construction of its teaching team, optimization of its course teaching system structure, updating of its teaching methods, and improvement of its practical ability training system in order to provide certain beneficial experiences and reference for the training of medical information professionals in higher education institutions.
6.Exploration of establishment of medical information technology curriculum system
Chinese Journal of Medical Education Research 2013;(8):785-788,789
Principles of constructing medical information technology curriculum system were pro-posed revolving round the core problem of how to combine needs of developing life science with culturing talents who can independently apply information technology knowledge in studying and researching. De-tailed implementing measures for constructing medical information technology curriculum system were summarized after repeated practical teaching. Longitudinal classification based on discipline and trans-verse classification based on teaching level were combined to construct the whole standard course. Finally, courses were appropriately distributed according to detailed culturing objectives for students in medical universities and colleges,thus a suitable medical information technology curriculum system in medical universities and colleges was formed.
8.Effect of kuntai capsule on the number of retrieved oocytes, high-quality oocytes and embryos in in vitro fertilization of poor ovarian response patients.
Chinese Journal of Integrated Traditional and Western Medicine 2014;34(8):917-921
OBJECTIVETo observe the effect of Kuntai Capsule (KC) on the number of retrieved oocytes, the quality of high-quality oocytes and embryos in in vitro fertilization of poor ovarian response (POR) patients.
METHODSTotally 70 POR patients preparing for in vitro fertilization-embryo transfer (IVF-ET) were randomly assigned to the observation group and the control group, 35 cases in each group. KC was administered to patients in the observation group in the preparation cycle (i.e., three menstrual cycles before IVF-ET) and during the superovulation process. Those in the control group took placebo during this period. Before and after medication the improvement of Shen yin deficiency syndrome (SYDS) was observed in the two groups. The basal follicle-stimulating hormone (bFSH), luteinizing hormone (LH), estradiol (E2), anti-Mullerian hormone (AMH), the ratio of FSH to LH, and antral follicle count (AFC) were observed. Besides, the E2 level of a single ovum on the day of HCG injection, the number of retrieved oocytes, the high-quality oocyte rate, and the high-quality embryos were observed.
RESULTSCompared with the control group, the SYDS, decreased bFSH and LH levels, increased ACF numbers, the E2 level of a single ovum on the day of HCG injection, the number of retrieved oocytes, high-quality oocytes, and high-quality embryos were superior in the observation group (P < 0.05). There was no statistical difference in the decreased FSH/LH level (P > 0.05). E2 and AMH increased after medication of KC in the observation group, while they decreased after administration of placebos in the control group. There was statistical difference in the post-pre treatment difference of E2 and AMH between the two groups (P < 0.05).
CONCLUSIONKC could increase the number of retrieved oocytes, and elevate the quality of occytes and embryos in the IVF-ET.
Adult ; Drugs, Chinese Herbal ; pharmacology ; Embryo Transfer ; Female ; Fertilization in Vitro ; Humans ; Oocyte Retrieval ; Oocytes ; drug effects ; Pregnancy
9.Simultaneous determination of five sesquiterpene lactones in Carpesium abrotanoides by HPLC.
China Journal of Chinese Materia Medica 2015;40(9):1783-1786
An HPLC method was established to simultaneously determine the five sesquiterpene lactones, carabrone, carabrol, 2-desoxy-4-epi-pulchellin, telekinand 11(13)-dehydroivaxillin in Carpesium abrotanoides. Samples were analyzed on a kromasil C18 column (4.6 mm x 250 mm, 5 µm); mobile phase: A was acetonitrile, B was water, with gradient elution; flow speed: 1.0 mL · min(-1); detection was carried out using a photodiode array detector at 211 nm; temperatureof column: 30 °C. The five sesquiterpene lactones were well separated with good linear correlations in the range of 0.270-2.700 (r = 0.999 7 ), 1.336-13.360 (r = 0.999 6), 0.258-2.580 (r = 0.999 7), 0.238-2.380 (r = 0.999 9), 0.490-4.900 µg (r = 0.999 9) for carabrone, carabrol, 2-desoxy-4-epi-pulchellin, telekin and 11 (13) -dehydroivaxillin. The average recoveries of these five sesquiterpene lactoneswere 96.78%-98.41% (RSD 1.3%-2.9%). The method was simple, repeatable and stable, which could be used for quality control of C. abrotanoide.
Asteraceae
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chemistry
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Chromatography, High Pressure Liquid
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methods
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Drugs, Chinese Herbal
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analysis
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Lactones
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analysis
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Sesquiterpenes
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analysis
10.Forefoot plantar pressure changes of the first tarsometatarsal joint fracture-dislocation fixation by different internal fixations.
China Journal of Orthopaedics and Traumatology 2015;28(2):157-161
OBJECTIVETo measure the changes of plantar pressure of the first tarsometatarsal joint fracture and dislocation by three different implants to provide experimental reference in selecting implants.
METHODSEight fresh foot specimens were made into the models of the first tarsometatarsal joint fracture and dislocation, which were fixed with 3.5 mm cortical screw, 1/4 tubular plate and compressive staple in turn. After the loading of 600 N, the changes of the plantar pressure in forefoot were measured by the method of the F-scan plantar pressure system.
RESULTSAfter first tarsometatarsal joint fracture and dislocation, the peak pressure under the first metatarsal head would decrease, while the pressure under the second metatarsal head would increased,whose differences were statistically significant (P<0.05). When the first tarsometatarsal joint was fixed with screw or plate respectively; the peak pressure under the two metatarsal heads would tend to be normal. However,the staple fixation showed the statistical significant difference compared with normal state, although the peak pressure under the first and second metatarsal heads were recovered in some extent(P<0.05).
CONCLUSIONAfter the first tarsometatarsal joint fracture-dislocation, the plantar pressure might be compensated partly by the adjacent metatarsal heads according to the regulation of the load transfer mechanism. While the first tarsometatarsal joint fracture-dislocation was fixated by screw or plate, the plantar pressure of the forefoot would return to the normal state. However,if the joint was fixated by the staple, it would still be difficult to return the plantar pressure to be normal.
Foot Joints ; injuries ; surgery ; Forefoot, Human ; physiology ; Fracture Fixation, Internal ; methods ; Fractures, Bone ; surgery ; Humans ; Joint Dislocations ; surgery ; Pressure