1.A design and analysis of a monitoring system for muscle relaxation
China Medical Equipment 2017;14(5):3-6
Objective:To design and analyze a muscle relaxation monitoring system so as to increase the anesthesia efficiency and safety.Methods: The hardware design of system was based on single chip machine (STC89C52RC), and it has the function of LCD real-time display for pressure change and the printing function. The design of software mainly included the system main program design, pressure sensor subroutine, A/D conversion subroutine, LCD real-time display subroutine and printer subroutine, etc.Results:Through the multiple times of test and improvement for the system, the system has achieved stably run, and the pressure value could achieve accurately display between 0-100N.Conclusion: The monitoring system of muscular relaxation has series of advantages, such as simple circuit design, low cost, higher reliability and practicability and so on. It can real-timely and effectively monitor the change of the indexes of muscular relaxation for patients during operation. And the anesthesiologist can effectively control and change medication for patients. In this way, the monitoring system can increase the anesthetic efficiency and decrease the incidence of postoperative residual muscle relaxant.
2.A design of dynamic intelligent management system for patients in mental hospital based on RFID technique
Huifen SHI ; Tianbai QI ; Junlin HOU
China Medical Equipment 2017;14(7):118-121
Objective: To implement dynamic intelligent management system for patients in mental hospital based on RFID technique so as to achieve safe management for patients and contribute to grasp the patient's status in real time. Methods: The hardware of the designed dynamic intelligent management system was consisted of patient's wristbands (electronic tags), locator, reader and the server. The architecture, hardware and function modules of the system were procedural designed. Results: The new design has changed the traditional supervised situation for psychopath which need many manpower and material resources, and reduced the burden of paramedical staff, and decreased the pressure of management for psychopath and enhanced the management level of modernization in hospital. Conclusion: The dynamic intelligent management system based on RFID technique can enhance the management level of hospital, and accelerate the construction of informatization for hospital and improve the image of hospital.
3.The changes and significance of FOX01 mRNA level in peripheral blood mononuclear cells from type 2 diabetes mellitus patients
Huifen CAI ; Jinfang SHI ; Guohao GU ; Chunxiang YANG
Chinese Journal of Clinical Laboratory Science 1985;0(04):-
Objective To investigate the changes of the forkhead box transcription factor-1(FOX01) mRNA level in peripheral blood mononuclear cells(PBMC) from type 2 diabetes mellitus(T2DM) patients and to explore the role of FOX01 in pathogenesis of T2DM.Methods PBMC was isolated from 62 T2DM patients and 40 healthy persons.FOX01 mRNA level in PBMC was measured with reverse transcription PCR and real-time fluorescent quantitative PCR.Results FOX01 mRNA level in PBMC from T2DM patients was significantly higher than that from healthy persons(P
4.Reflection and prospect on acupuncture- moxibustion in treating Hashimoto’s thyroiditis
Yongzheng DONG ; Jimeng ZHAO ; Chunhui BAO ; Huifen XU ; Renzhao WU ; Zheng SHI ; Luyi WU ; Shimin LIU ; Baixiao ZHAO ; Jianbin ZHANG ; Shuguang YU ; Huangan WU
Journal of Acupuncture and Tuina Science 2016;14(6):443-450
Objective: To categorize and summarize the clinical and mechanism studies of the past 30 years on the treatment of Hashimoto’s thyroiditis (HT) with moxibustion, moxibustion plus medication, and acupuncture plus medication, etc., and to analyze the current problems. Methods: The clinical and laboratory studies related to the treatment of HT with acupuncture-moxibustion therapies published before June 2015 were retrieved from MEDLINE, Excerpta Medica Database (EMBASE), China National Knowledge Infrastructure (CNKI), Wanfang Academic Journal Full-text Database (Wanfang) and Chongqing VIP Database (CQVIP). Results:Moxibustion, moxibustion plus medication, and acupuncture plus medication can produce certain therapeutic effects in treating HT. Conclusion:The research on the treatment of HT with acupuncture-moxibustion therapies is rather limited in the amount and content. In the future, standardization should be fortified, specific moxibustion research needs deepening, and the action mechanism of moxibustion should be emphasized.
5.Effects of SREBP-1 over-expression on fatty acid metabolism related genes expression in goats.
Huifen XU ; Jun LUO ; Fang LI ; Kang YU ; Hengbo SHI ; Jun LI ; Xianzi LIN ; Jiangjiang ZHU
Chinese Journal of Biotechnology 2012;28(11):1306-1316
The aim of the study was to construct a recombinant adenovirus overexpression vector for Sterol Regulatory Element Binding Protein-1 (SREBP-1) of Xinong Saanen dairy goat, and to detect its effect on genes related to fatty acid metabolism in goat mammary epithelial cells, to establish foundation for further study of its roles in metabolism of fatty acid synthesis and lactation. First, we designed primers based on the SREBP-1 gene sequence in GenBank for PCR amplification and inserted the sequence into shuttle vector pAdTrack-CMV. The recombinant plasmid pAdTrack-CMV-SREBP-1 linearized by Pme I was transformed into E. coli BJ5183 competence cell containing the backbone vector pAdEasy-1 to obtain recombinant vector pAd-SREBP-1 by homologous recombination. pAd-SREBP-1 was linearized by Pac I and transfected into HEK 293 cell. Then we infected goat mammary epithelial cells with recombinant adenovirus which was packaged in HEK 293 cell line. The results showed that the recombinant adenovirus vector containing SREBP-1 was successfully constructed, and the titer of virus was 10(9) U/mL. Compared with the control group, mRNA level of SREBP-1 increased by about 15 times after infected for 48 h and 30 times after infected for 72 h. Fatty acid synthase (FASN) and Acetyl-CoA carboxylase (ACC) was upregulated by almost 2 times. The expression level of Peroxisome proliferator activated receptorgamma (PPARgamma) increased by 1.5 times. Liver X receptoralpha (LXRalpha) and Adipose triglyceride lipase (ATGL) upregulated by 1.2 times compared with that of control. But Stearoyl-coenzyme A desaturase (SCD) had no obvious change. In conclusion, SREBP-1 can activate the expression of genes related to fatty acid synthesis in mammary epithelial cells of Xinong Saanen dairy goat, demonstrated a regulatory function on the fatty acid metabolism in goat mammary gland.
Adenoviridae
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genetics
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metabolism
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Animals
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Epithelial Cells
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cytology
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metabolism
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Fatty Acids
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metabolism
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Female
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Gene Expression Regulation
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Goats
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genetics
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HEK293 Cells
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Humans
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Lipid Metabolism
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genetics
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Mammary Glands, Animal
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cytology
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Sterol Regulatory Element Binding Protein 1
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genetics
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metabolism
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Transfection
6.Prenatal diagnosis of a fetus with chromosome 18p deletion and duplication.
Wenwen LI ; Huifen SHAO ; Juan YAO ; Chunxia SHI ; Xinmiao YANG ; Jinghui ZHANG ; Xinli ZHANG ; Guosong SHEN
Chinese Journal of Medical Genetics 2021;38(6):569-572
OBJECTIVE:
To assess the value of chromosomal microarray analysis (CMA) to verify a fetus with partial 18p deletion signaled by non-invasive prenatal testing.
METHODS:
G-banding chromosomal karyotyping analysis was carried out on amniotic fluid sample of the fetus and peripheral blood samples from the parents. Amniotic DNA was also subjected to CMA analysis. The fetus was also subjected to systematic ultrasound scan.
RESULTS:
The fetus was found to have a karyotype of 46,XX,18p+. CMA has revealed a 5 Mb deletion at 18p11.32-p11.31, a 2.9 Mb duplication at 18p11.31-p11.23, and a 2.5 Mb duplication at 18p11.23-p11.22. No chromosomal aberration or microdeletion/microduplication was detected in either parent.
CONCLUSION
Non-invasive prenatal testing and CMA are both sensitive for the detection of chromosomal microdeletions and microduplications. CMA can help with clarification of genotype-phenotype correlation and facilitate prenatal diagnosis and genetic counseling for the family.
Chromosome Deletion
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Chromosomes
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Female
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Fetus
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Humans
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Karyotyping
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Pregnancy
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Prenatal Diagnosis
7.Levels of phthalate internal exposure levels in pregnant women and influencing factors.
Yue YANG ; Mingming SHI ; Biqin CHEN ; Jianfeng LIN ; Songjing YANG ; Baoping ZHU ; Baoling ZHUANG ; Yuzhu JIA ; Zhenxiang HUANG ; Jing CHEN ; Huifen LIU ; Jianghui CHEN ; Yanhua SU ; Xiayi KE ; Benhua ZHAO
Chinese Journal of Preventive Medicine 2015;49(11):998-1004
OBJECTIVETo investigate the levels and influencing factors of phthalate internal exposure in pregnant women (gestation age ≤ 16 weeks).
METHODSDuring April to June in 2013, 1 020 pregnant women (gestation age ≤ 16 weeks) who had established the maternal care manual were recruited in maternal and child health hospital of Siming District, Xiamen city. Participators were asked to complete a questionnaire to obtain information on socio-demographic characteristics, lifestyle behaviors, and antenatal examination and to provide a urine sample. Finally, 998 pregnant women who provided a urine sample and completed the questionnaire were enrolled. Adopting systematic sampling method, 100 ones were selected randomly among 998 pregnant women. High performance liquid chromatography-electrospray ionization-tandern mass was used to determine the concentration of five phthalate monoesters in each urine, including mono-n-methyl phthalate (MMP), mono-ethyl phthalate (MEP), mono-butyl phthalate (MBP), mono-benzyl phthalate (MBzP), mono-ethylhexyl phthalate (MEHP). Based on the measurements and questionnaire data, multivariate logistic regression was used to analyze the association between the phthalate monoester levels and potential influential factors.
RESULTSThe detection rates of MMP, MEP, MBP, MBzP and MEHP in 100 pregnant urine samples were 94%, 93%, 87%, 83%, 99%, respectively. And the urinary median uncorrected concentrations of MMP, MEP, MBP, MBzP and MEHP in 100 urine samples were 20.56, 17.62, 10.15, 2.03, and 5.12 ng/ml, respectively. Specific gravity-corrected concentration were 20.81, 20.36, 12.88, 2.58, 5.00 ng/ml, respectively. The results of multivariate logistic regression analysis indicated that: education degree was negatively associated with urinary concentration of MMP, MEP, MBP, MBzP and MEHP, OR (95% CI) were 0.495 (0.253-0.966), 0.380 (0.191-0.755), 0.379 (0.186-0.774), 0.401 (0.196-0.819), 0.373(0.183-0.762), respectively. Participants who had hair permed and dyed during pregnancy had higher urinary level of MBP and MBzP, OR (95% CI) were 12.867 (1.240-133.525), 15.982 (1.367-186.911), respectively; Participants who use cosmetics during pregnancy had higher urinary level of MEP and MBP, OR (95% CI) were 2.977 (1.012-8.757), 4.440 (1.485-13.272), respectively; plastic bottled water consumption was positively associated with urinary concentrations of MEP and MEHP, OR (95% CI) were 3.780 (1.417-10.083), 2.699 (1.039-7.010), respectively; annual household income was negatively associated with urinary concentration of MMP, OR (95% CI) was 0.597 (0.372-0.959); individuals who took medications during pregnancy had higher urinary level of MEHP than non-takers, OR (95% CI) was 4.853 (1.084-21.732).
CONCLUSIONPregnant women whose gestation age was less than 16 weeks are generally exposed to phthalate. Phthalate internal exposure levels are significantly associated with most measured factors and the influencing factors with different phthalates internal exposure levels are different.
Chromatography, High Pressure Liquid ; Dibutyl Phthalate ; urine ; Female ; Humans ; Life Style ; Maternal Exposure ; Phthalic Acids ; urine ; Pregnancy ; Surveys and Questionnaires ; Tandem Mass Spectrometry