1
|
Ma RM, Li GG, Ding YW, Lyu J, Shao CQ, Liu JZ, Liu J, Zhang GJ. [Correlation of serum lipids levels of Alzheimer's disease patients with sex, age and apolipoprotein E gene polymorphism]. Zhonghua Yu Fang Yi Xue Za Zhi 2022; 56:280-286. [PMID: 35381648 DOI: 10.3760/cma.j.cn112150-20211026-00996] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Objective: To explore the correlation of serum lipids levels of Alzheimer's disease (AD) patients with sex, age and apolipoprotein E (Apo E) gene polymorphism. Methods: The retrospective study method was used, and 407 AD patients (142 males and 265 females, aged 52-91 years) were selected from Beijing Tiantan Hospital from January 2015 to August 2021 as the research target, and 894 healthy persons (339 males and 555 females, aged 52-94 years) who did body examination were selected as the control group. The AD patients were divided into four age groups according to the age interval of 10 years, including 85 aged 50-59 years, 163 aged 60-69 years, 119 aged 70-79 years, and 40 aged more than 80 years. The serum lipids levels were detected by biochemical analyzer, including triglycerides (TG), cholesterol (CHO), high density lipoprotein cholesterol (HDL-C), low density lipoprotein cholesterol (LDL-C), apolipoproteinA1(Apo A1) and apolipoprotein B (Apo B). ApoE gene polymorphism were detected by PCR fluorescent probe method. Mann-Whitney U test and Kruskal-Wallis H test were used to compare the serum lipids levels in each group. Results: The levels of serum CHO and LDL-C were 3.30(1.41,4.82) mmol/L and 1.76(1.39,2.78) mmol/L in AD patients, and 4.84(4.24, 5.56) mmol/L and 2.91(2.36, 3.57) mmol/L in control group, and the levels of serum CHO and LDL-C of AD patients were significantly lower than control group (Z=-15.172,Z=-14.583, P<0.001, P<0.001). The levels of serum HDL-C and Apo B were 1.84(1.30, 3.88) mmol/L and 1.17(0.85, 1.57) g/L in AD patients, and 1.39(1.18, 1.64) mmol/L and 0.93(0.81, 1.09) g/L in control group, and the levels of serum HDL-C and Apo-B of AD patients were significantly higher than control group (Z=-12.249, Z=-9.706, P<0.001, P<0.001). There was no significant difference in TG and Apo A1 between 2 groups (Z=-1.577, Z=-0.408, P=0.115, P=0.683). The levels of TG, CHO, LDL-C in female AD patients were significantly higher than male patients (Z=-2.737, Z=-3.963, Z=-4.417, P=0.006, P<0.001, P<0.001). There were significant differences in TG, CHO, HDL-C, LDL-C, Apo A1 and Apo B among AD patients of all age groups (Z=11.263, Z=10.060, Z=40.246, Z=10.451, Z=24.315, Z=19.922, P=0.010, P=0.018, P<0.001, P=0.015, P<0.001, P<0.001). The serum CHO and LDL-C levels were positively correlated with age (rs=0.160, rs=0.174, P=0.001, P<0.001), and HDL-C, Apo A1 and Apo B levels were negatively correlated with age (rs=-0.312, rs=-0.272, rs=-0.146, P<0.001, P<0.001, P=0.003), and there was no correlation between TG level and age in AD patients (rs=0.086, P=0.082). There were 3 cases (3.33%) of E2, 43 cases of E3 (47.78%) and 44 cases of E4 (48.89%) in AD patients, and 22 cases (12.72%) of E2, 117 cases of E3 (67.63%) and 34 cases of E4 (19.65%) in control group. There was significant difference in Apo E genotype distribution between AD patients and control group (χ²=26.381, P<0.001). Apo E4 was the most common genotype in AD patients, and the proportion was 48.89%. Except for Apo A1(Z=7.821, P=0.020), there was no significant difference in TG, CHO, HDL-C, LDL-C and Apo B levels among all patients with different genotypes (Z=3.732, Z=1.677, Z=1.455, Z=1.619, Z=2.202, P=0.155, P=0.432, P=0.483, P=0.445, P=0.333). Conclusion: The levels of CHO and LDL-C decreased while the levels of HDL-C and Apo B increased in AD patients. The dyslipidemia in AD patients might be correlated with age, but not sex and Apo E genotypes.
Collapse
Affiliation(s)
- R M Ma
- Laboratory Department, Beijing Tiantan Hospital, Capital Medical University, Beijing 100070,China Beijing Engineering Research Center of Immunological Reagents Clinical Research, Beijing 100070, China National Medical Products Administration, Key Laboratory for Quality Control of In Vitro Diagnostics, Beijing 100070, China
| | - G G Li
- Laboratory Department, Beijing Tiantan Hospital, Capital Medical University, Beijing 100070,China
| | - Y W Ding
- Laboratory Department, Beijing Tiantan Hospital, Capital Medical University, Beijing 100070,China
| | - J Lyu
- Laboratory Department, Beijing Tiantan Hospital, Capital Medical University, Beijing 100070,China Beijing Engineering Research Center of Immunological Reagents Clinical Research, Beijing 100070, China National Medical Products Administration, Key Laboratory for Quality Control of In Vitro Diagnostics, Beijing 100070, China
| | - C Q Shao
- Laboratory Department, Beijing Tiantan Hospital, Capital Medical University, Beijing 100070,China Beijing Engineering Research Center of Immunological Reagents Clinical Research, Beijing 100070, China National Medical Products Administration, Key Laboratory for Quality Control of In Vitro Diagnostics, Beijing 100070, China
| | - J Z Liu
- Laboratory Department, Beijing Tiantan Hospital, Capital Medical University, Beijing 100070,China Beijing Engineering Research Center of Immunological Reagents Clinical Research, Beijing 100070, China National Medical Products Administration, Key Laboratory for Quality Control of In Vitro Diagnostics, Beijing 100070, China
| | - J Liu
- Laboratory Department, Beijing Tiantan Hospital, Capital Medical University, Beijing 100070,China Beijing Engineering Research Center of Immunological Reagents Clinical Research, Beijing 100070, China National Medical Products Administration, Key Laboratory for Quality Control of In Vitro Diagnostics, Beijing 100070, China
| | - G J Zhang
- Laboratory Department, Beijing Tiantan Hospital, Capital Medical University, Beijing 100070,China Beijing Engineering Research Center of Immunological Reagents Clinical Research, Beijing 100070, China National Medical Products Administration, Key Laboratory for Quality Control of In Vitro Diagnostics, Beijing 100070, China
| |
Collapse
|
2
|
Abstract
Four C2H4N4 structural isomers are investigated with fs laser-induced breakdown spectroscopy. Plasma emissions, C I, Hα, the CN violet system (B2Σ+-X2Σ+, Δν = 0 sequence) and C2 swan system (d3Πg-a3Πu, Δν = 0 sequence) are measured. The temporal evolution of the characteristic emission intensity is obtained for each emission and their lifetimes are calculated. The lifetimes of the molecular emissions are much longer than those of the atomic emissions. Characteristic emission intensities and lifetime are correlated with the molecular structures of the four isomers to a certain extent. Plasma temperature is extracted by fitting the spectrum of the CN violet system, B2Σ+-X2Σ+; Δν = 0 sequence, and is weakly correlated with the molecular structures of the four isomers. Using the characteristic emission intensities as input, principal component analysis (PCA) and artificial neural network (ANN) analysis are performed and the individual isomers can be well identified with PCA or ANN.
Collapse
Affiliation(s)
- Y L Zhao
- The Peac Institute of Multiscale Sciences, Chengdu, Sichuan 610027, People's Republic of China.
| | | | | | | | | |
Collapse
|
3
|
Zhao YL, Li GG, Hou HM, Shi JC, Luo SN. CN and C 2 formation mechanisms in fs-laser induced breakdown of nitromethane in Ar or N 2 atmosphere. J Hazard Mater 2020; 393:122396. [PMID: 32208330 DOI: 10.1016/j.jhazmat.2020.122396] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/25/2019] [Revised: 02/21/2020] [Accepted: 02/22/2020] [Indexed: 06/10/2023]
Abstract
We investigate atomic and molecular emission of laser-ablated nitromethane in an Ar or N2 buffer gas, with fs laser-induced breakdown spectroscopy. The electronic bands of CN, C2, and NH molecules and the atomic transition lines of C I, N I, and Hα are identified. The time series of the emissions are obtained, and the formation mechanisms of CN and C2 are deduced. The CN violet system, the B2Σ+-X2Σ+ (0-0) band, is chosen to extract plasma temperature from the experimental spectra.
Collapse
Affiliation(s)
- Y L Zhao
- The Peac Institute of Multiscale Sciences, Chengdu, Sichuan 610031, People's Republic of China
| | - G G Li
- Key Laboratory of Advanced Technologies of Materials, Ministry of Education, and Institute of Material Dynamics, Southwest Jiaotong University, Chengdu, Sichuan 610031, People's Republic of China
| | - H M Hou
- School of Physical Science and Technology, ShanghaiTech University, Shanghai 201210, People's Republic of China
| | - J C Shi
- The Peac Institute of Multiscale Sciences, Chengdu, Sichuan 610031, People's Republic of China.
| | - S N Luo
- The Peac Institute of Multiscale Sciences, Chengdu, Sichuan 610031, People's Republic of China; Key Laboratory of Advanced Technologies of Materials, Ministry of Education, and Institute of Material Dynamics, Southwest Jiaotong University, Chengdu, Sichuan 610031, People's Republic of China.
| |
Collapse
|
4
|
Xiong F, Sun Q, Li GG, Chen PL, Yao ZH, Wan CY, Zhong HX, Zeng Y. Initial serum HCG levels are higher in pregnant women with a male fetus after fresh or frozen single blastocyst transfer: A retrospective cohort study. Taiwan J Obstet Gynecol 2020; 58:833-839. [PMID: 31759537 DOI: 10.1016/j.tjog.2019.09.019] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/16/2019] [Indexed: 12/28/2022] Open
Abstract
OBJECTIVE Substantial previous studies have almost reached an agreement on the gender effect on maternal serum human chorionic gonadotropin (MsHCG) in and after the late first trimester of pregnancy. However, there is little knowledge of the sex-related difference in MsHCG level at the preliminary stage of pregnancy. The purpose of this study is to reveal this difference in women after fresh or frozen single blastocyst transfer (SBT). MATERIALS AND METHODS A total of 252 fresh SBT cycles and 1486 frozen-thawed SBT cycles collected between June 1, 2014 and May 30, 2017 were retrospectively analyzed in our center. Patients with MsHCG level ≥5 IU/L on day 11 after transfer, achieving a singleton intrauterine pregnancy and subsequent live birth were included. We compared MsHCG levels between women gave birth to a male neonate and those gave birth to a female one in fresh or frozen SBT cycles, respectively. RESULTS A total of 136 neonates including 57 females and 79 males were born following fresh SBT. The male-female ratio was 1.39:1. The average MsHCG level of male fetuses was higher than that of female fetuses on day 11 after transfer (549.82 ± 253.24 IU/L versus 439.03 ± 198.41 IU/L, P < 0.05). Correspondingly, a total of 431 infants was born after frozen SBT, containing 188 females and 243 males. The male-female ratio was 1.29:1. Initial MsHCG level remained higher in women with a male neonate than the counterparts with a female neonate (894.43 ± 622.17 IU/L versus 758.05 ± 624.33 IU/L, P < 0.05). It was also found the pregnant women following frozen-thawed SBT exhibited higher initial MsHCG level than those following fresh SBT in whether male-bearing or female-bearing gestations. CONCLUSIONS MsHCG levels are higher in pregnant women with a male fetus than those with a female one on day 11 after fresh or frozen SBT. A sex-specific response to the stress in the process of in vitro embryo culture was suggested.
Collapse
Affiliation(s)
- Feng Xiong
- Shenzhen Key Laboratory of Reproductive Immunology for Peri-implantation, Shenzhen Zhongshan Institute for Reproductive Medicine and Genetics, Shenzhen Zhongshan Urology Hospital Fertility Center, Shenzhen, Guangdong, People's Republic of China
| | - Qing Sun
- Shenzhen Key Laboratory of Reproductive Immunology for Peri-implantation, Shenzhen Zhongshan Institute for Reproductive Medicine and Genetics, Shenzhen Zhongshan Urology Hospital Fertility Center, Shenzhen, Guangdong, People's Republic of China
| | - Guan-Gui Li
- Shenzhen Key Laboratory of Reproductive Immunology for Peri-implantation, Shenzhen Zhongshan Institute for Reproductive Medicine and Genetics, Shenzhen Zhongshan Urology Hospital Fertility Center, Shenzhen, Guangdong, People's Republic of China
| | - Pei-Lin Chen
- Shenzhen Key Laboratory of Reproductive Immunology for Peri-implantation, Shenzhen Zhongshan Institute for Reproductive Medicine and Genetics, Shenzhen Zhongshan Urology Hospital Fertility Center, Shenzhen, Guangdong, People's Republic of China
| | - Zhi-Hong Yao
- Shenzhen Key Laboratory of Reproductive Immunology for Peri-implantation, Shenzhen Zhongshan Institute for Reproductive Medicine and Genetics, Shenzhen Zhongshan Urology Hospital Fertility Center, Shenzhen, Guangdong, People's Republic of China
| | - Cai-Yun Wan
- Shenzhen Key Laboratory of Reproductive Immunology for Peri-implantation, Shenzhen Zhongshan Institute for Reproductive Medicine and Genetics, Shenzhen Zhongshan Urology Hospital Fertility Center, Shenzhen, Guangdong, People's Republic of China
| | - Hui-Xian Zhong
- Shenzhen Key Laboratory of Reproductive Immunology for Peri-implantation, Shenzhen Zhongshan Institute for Reproductive Medicine and Genetics, Shenzhen Zhongshan Urology Hospital Fertility Center, Shenzhen, Guangdong, People's Republic of China
| | - Yong Zeng
- Shenzhen Key Laboratory of Reproductive Immunology for Peri-implantation, Shenzhen Zhongshan Institute for Reproductive Medicine and Genetics, Shenzhen Zhongshan Urology Hospital Fertility Center, Shenzhen, Guangdong, People's Republic of China.
| |
Collapse
|
5
|
Zhong HX, Li GG, Xiong F, Chen PL, Wan CY, Yao ZH, Ma ZH, Zeng Y, Sun Q. [IVOS Ⅱ versus Sperm Class Analyzer in the results of semen analysis]. Zhonghua Nan Ke Xue 2019; 25:124-128. [PMID: 32216197] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
OBJECTIVE To compare the results obtained from the computer-aided sperm analysis (CASA) systems of the two fully-automated commercial sperm quality analyzers, Hamilton-Thorn IVOS Ⅱ (IVOS Ⅱ) and Spanish Sperm Class Analyzer (SCA). METHODS A total of 99 semen samples were collected in the Center of Reproduction of Shenzhen Zhongshan Urology Hospital from September 2018 to October 2018 and, according to the sperm concentration, divided into groups A (<15 ×10⁶/ml), B (15-50 ×10⁶/ml) and C (>50 ×10⁶/ml). IVOS Ⅱ, SCA and manual microscopy were used for the examination of each sample, followed by comparison of the sperm concentration, sperm motility and percentage of progressively motile sperm (PMS) obtained from IVOS Ⅱ and SCA. RESULTS The sperm concentrations derived from IVOS Ⅱ and SCA were significantly higher than that from manual microscopy in group A ([10.24 ± 4.60] and [10.20 ± 5.11] vs [8.45 ± 4.15] ×10⁶/ml, P < 0.05), but showed no statistically significant difference in group B ([30.95 ± 11.84] and [31.81 ± 12.90] vs [29.14 ± 10.65] ×10⁶/ml, P > 0.05) or C ([102.14 ± 45.97] and [109.48 ± 46.32] vs [104.74 ± 41.87] ×10⁶/ml, P > 0.05). Significant differences were not observed between IVOS Ⅱ and SCA in the percentage of PMS ([24.21 ± 14.62]% vs [23.92 ± 15.42]%, P > 0.05) or sperm motility ([37.48 ± 19.34]% vs [37.69 ± 16.61]%, P > 0.05) in group B, nor in group C (PMS: [30.80 ± 12.06]% vs [32.98 ± 16.10]%, P > 0.05; sperm motility: [44.50 ± 15.62]% vs [47.26 ± 17.46]%, P > 0.05). Both the percentage of PMS and sperm motility obtained from IVOS Ⅱ were remarkably lower than those derived from SCA in group A (PMS: [18.54 ± 12.96]% vs [22.90 ± 12.88]%, P < 0.05; sperm motility: [26.97 ± 14.05]% vs [34.90 ± 15.18]%, P < 0.05). IVOS Ⅱ and SCA both showed a high repeatability (CV <15%), and the former exhibited an even higher one than the latter, in detection of sperm concentration, sperm motility and the percentage of PMS. CONCLUSIONS IVOS Ⅱ and SCA both had a good consistency in the results of sperm concentration, motility and progressive motility, but showed a poor comparability with low-concentration semen samples.
Collapse
Affiliation(s)
- Hui-Xian Zhong
- Shenzhen Key Laboratory of Reproductive Immunology for Peri-implantation, Center of Reproduction, Shenzhen Zhongshan Urology Hospital, Shenzhen, Guangdong 518045, China
- Shenzhen Zhongshan Institute for Reproduction and Genetics, Shenzhen, Guangdong 518045, China
| | - Guan-Gui Li
- Shenzhen Key Laboratory of Reproductive Immunology for Peri-implantation, Center of Reproduction, Shenzhen Zhongshan Urology Hospital, Shenzhen, Guangdong 518045, China
- Shenzhen Zhongshan Institute for Reproduction and Genetics, Shenzhen, Guangdong 518045, China
| | - Feng Xiong
- Shenzhen Key Laboratory of Reproductive Immunology for Peri-implantation, Center of Reproduction, Shenzhen Zhongshan Urology Hospital, Shenzhen, Guangdong 518045, China
- Shenzhen Zhongshan Institute for Reproduction and Genetics, Shenzhen, Guangdong 518045, China
| | - Pei-Lin Chen
- Shenzhen Key Laboratory of Reproductive Immunology for Peri-implantation, Center of Reproduction, Shenzhen Zhongshan Urology Hospital, Shenzhen, Guangdong 518045, China
- Shenzhen Zhongshan Institute for Reproduction and Genetics, Shenzhen, Guangdong 518045, China
| | - Cai-Yun Wan
- Shenzhen Key Laboratory of Reproductive Immunology for Peri-implantation, Center of Reproduction, Shenzhen Zhongshan Urology Hospital, Shenzhen, Guangdong 518045, China
- Shenzhen Zhongshan Institute for Reproduction and Genetics, Shenzhen, Guangdong 518045, China
| | - Zhi-Hong Yao
- Shenzhen Key Laboratory of Reproductive Immunology for Peri-implantation, Center of Reproduction, Shenzhen Zhongshan Urology Hospital, Shenzhen, Guangdong 518045, China
- Shenzhen Zhongshan Institute for Reproduction and Genetics, Shenzhen, Guangdong 518045, China
| | - Zhuang-Hong Ma
- Shenzhen Key Laboratory of Reproductive Immunology for Peri-implantation, Center of Reproduction, Shenzhen Zhongshan Urology Hospital, Shenzhen, Guangdong 518045, China
- Shenzhen Zhongshan Institute for Reproduction and Genetics, Shenzhen, Guangdong 518045, China
| | - Yong Zeng
- Shenzhen Key Laboratory of Reproductive Immunology for Peri-implantation, Center of Reproduction, Shenzhen Zhongshan Urology Hospital, Shenzhen, Guangdong 518045, China
- Shenzhen Zhongshan Institute for Reproduction and Genetics, Shenzhen, Guangdong 518045, China
| | - Qing Sun
- Shenzhen Key Laboratory of Reproductive Immunology for Peri-implantation, Center of Reproduction, Shenzhen Zhongshan Urology Hospital, Shenzhen, Guangdong 518045, China
- Shenzhen Zhongshan Institute for Reproduction and Genetics, Shenzhen, Guangdong 518045, China
| |
Collapse
|
6
|
Chen X, Mo ML, Huang CY, Diao LH, Li GG, Li YY, Lerner A, Shoenfeld Y, Zeng Y. Association of serum autoantibodies with pregnancy outcome of patients undergoing first IVF/ICSI treatment: A prospective cohort study. J Reprod Immunol 2017; 122:14-20. [PMID: 28804023 DOI: 10.1016/j.jri.2017.08.002] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2017] [Revised: 06/02/2017] [Accepted: 08/02/2017] [Indexed: 10/19/2022]
Abstract
The relevance of antiphospholipid (aPL), antinuclear (ANA) or antithyroid (ATA) antibodies in women undergoing in vitro fertilization (IVF) or intracytoplasmic sperm injection (ICSI) are controversial. The present study aims to investigate which autoantibodies are associated with the pregnancy outcome of patients undergoing first IVF/ICSI treatment. A total of 3763 IVF/ICSI patients were recruited from January to December 2015. Forty-five patients positive for aPL presenting adverse outcomes in their first cycle received low-dose aspirin treatment before the second transfer. Logistic regression analyses were performed to assess any association between autoantibodies and IVF/ICSI outcomes. The aCL-IgG was significantly associated with live birth rate (OR 0.58, 95% CI 0.36-0.96, p<0.05) and miscarriage rate (OR 2.04, 95% CI 1.23-3.40, p<0.01). The aCL-IgM was associated with miscarriage rate (OR 2.14, 95% CI 1.29-3.54, p<0.01). The aβ2GPI-IgG was associated with implantation rate and clinical pregnancy rate (OR 0.61, 95% CI 0.24-0.96, p<0.05; OR 0.40, 95% CI 0.13-0.87, p<0.05, respectively). After the low-dose aspirin treatment, the live birth rate (37.0% vs. 19.1%, p<0.05) increased significantly in patients with positive for aPL. In contrary, the aβ2GPI-IgM, ANA, anti-thyroglobulin (aTG) and anti-thyroperoxidase (aTPO) antibodies had no association with IVF/ICSI outcome. It is suggested that the presence of aCL-IgG, aCL-IgM and aβ2GPI-IgG might exert a detrimental effect on IVF/ICSI outcomes. Low-dose aspirin treatment could be useful for patients positive for these antibodies. Therefore, it is suggested that these antibodies should be assessed prior to IVF/ICSI treatment.
Collapse
Affiliation(s)
- Xian Chen
- Shenzhen Key Laboratory of Reproductive Immunology for Peri-implantation, Shenzhen Zhongshan Institute for Reproduction and Genetics, Fertility Center, Shenzhen Zhongshan Urology Hospital, Shenzhen, Guangdong, 518045, PR China
| | - Mei-Lan Mo
- Shenzhen Key Laboratory of Reproductive Immunology for Peri-implantation, Shenzhen Zhongshan Institute for Reproduction and Genetics, Fertility Center, Shenzhen Zhongshan Urology Hospital, Shenzhen, Guangdong, 518045, PR China
| | - Chun-Yu Huang
- Shenzhen Key Laboratory of Reproductive Immunology for Peri-implantation, Shenzhen Zhongshan Institute for Reproduction and Genetics, Fertility Center, Shenzhen Zhongshan Urology Hospital, Shenzhen, Guangdong, 518045, PR China
| | - Liang-Hui Diao
- Shenzhen Key Laboratory of Reproductive Immunology for Peri-implantation, Shenzhen Zhongshan Institute for Reproduction and Genetics, Fertility Center, Shenzhen Zhongshan Urology Hospital, Shenzhen, Guangdong, 518045, PR China
| | - Guan-Gui Li
- Shenzhen Key Laboratory of Reproductive Immunology for Peri-implantation, Shenzhen Zhongshan Institute for Reproduction and Genetics, Fertility Center, Shenzhen Zhongshan Urology Hospital, Shenzhen, Guangdong, 518045, PR China
| | - Yu-Ye Li
- Shenzhen Key Laboratory of Reproductive Immunology for Peri-implantation, Shenzhen Zhongshan Institute for Reproduction and Genetics, Fertility Center, Shenzhen Zhongshan Urology Hospital, Shenzhen, Guangdong, 518045, PR China
| | - Aaron Lerner
- B, Rappaport School of Medicine, Technion-Israel institute of Technology, Michal St, No. 7, Haifa, 34362, Israel; Aesku.KIPP Institute, Wendelsheim, Germany
| | - Yehuda Shoenfeld
- Zabludowicz Center for Autoimmune Diseases Sheba Medical Center, Tel-Hashomer, 52621, Israel
| | - Yong Zeng
- Shenzhen Key Laboratory of Reproductive Immunology for Peri-implantation, Shenzhen Zhongshan Institute for Reproduction and Genetics, Fertility Center, Shenzhen Zhongshan Urology Hospital, Shenzhen, Guangdong, 518045, PR China.
| |
Collapse
|
7
|
Shen YN, Bai XL, Li GG, Liang TB. Review of radiological classifications of pancreatic cancer with peripancreatic vessel invasion: are new grading criteria required? Cancer Imaging 2017; 17:14. [PMID: 28477615 PMCID: PMC5420088 DOI: 10.1186/s40644-017-0115-7] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2016] [Accepted: 04/27/2017] [Indexed: 12/11/2022] Open
Abstract
Pancreatic cancer is mainly diagnosed at an advanced stage when adjacent vessel invasion is present; however, radical resection is potentially curative for selected patients with adjacent vessel invasion. Therefore, accurately judging the resectability of patients with adjacent vessel invasion represents a crucially important step in diagnosis and treatment. Currently, decisions regarding resectability are based on imaging studies, commonly contrast computed tomography (CT). Several radiological classifications have been published for vascular infiltration in pancreatic cancer. However, radiologists always formulate these CT grading systems according to their own experience, resulting in different judgment methods and parameters. And it is controversial in evaluating performance and clinical application. Besides, the conventional CT grading systems mainly focus on the evaluation of vessel invasion so as to less on the outcome of patient evaluation. In this review, we summarize the mainstream CT grading systems for vascular invasion in pancreatic cancer, with the aim of improving the clinical value of CT grading systems for predicting resectability and survival.
Collapse
Affiliation(s)
- Y N Shen
- Department of Hepatobiliary and Pancreatic Surgery, Second Affiliated Hospital of Zhejiang University School of Medicine, Zhejiang University, Jiefang Road, Shangcheng District, Hangzhou, China.,Zhejiang Provincial Key Laboratory of Pancreatic Disease, Hangzhou, China
| | - X L Bai
- Department of Hepatobiliary and Pancreatic Surgery, Second Affiliated Hospital of Zhejiang University School of Medicine, Zhejiang University, Jiefang Road, Shangcheng District, Hangzhou, China.,Zhejiang Provincial Key Laboratory of Pancreatic Disease, Hangzhou, China
| | - G G Li
- Department of Hepatobiliary and Pancreatic Surgery, Second Affiliated Hospital of Zhejiang University School of Medicine, Zhejiang University, Jiefang Road, Shangcheng District, Hangzhou, China.,Zhejiang Provincial Key Laboratory of Pancreatic Disease, Hangzhou, China
| | - T B Liang
- Department of Hepatobiliary and Pancreatic Surgery, Second Affiliated Hospital of Zhejiang University School of Medicine, Zhejiang University, Jiefang Road, Shangcheng District, Hangzhou, China. .,Zhejiang Provincial Key Laboratory of Pancreatic Disease, Hangzhou, China.
| |
Collapse
|
8
|
Diao LH, Li GG, Zhu YC, Tu WW, Huang CY, Lian RC, Chen X, Li YY, Zhang T, Huang Y, Zeng Y. Human chorionic gonadotropin potentially affects pregnancy outcome in women with recurrent implantation failure by regulating the homing preference of regulatory T cells. Am J Reprod Immunol 2017; 77. [PMID: 28044377 DOI: 10.1111/aji.12618] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2016] [Accepted: 11/19/2016] [Indexed: 01/24/2023] Open
Abstract
PROBLEM Human chorionic gonadotropin (hCG) and regulatory T cells (Tregs) have been suggested to play important roles during the initial stage of pregnancy. However, the clinical relevance and mechanism of the effects of hCG on Treg functions in women with recurrent implantation failure (RIF) remain to be elucidated. METHOD OF STUDY Thirty-four RIF and twenty-three control women were included in the study. Endometrial and peripheral Tregs were analyzed by immunohistochemistry and flow cytometry, respectively. Tregs were generated from naïve CD4+ T cells by stimulation with anti-CD3/CD28 in the presence or absence of hCG, and the subsets were analyzed by flow cytometry, Western blotting, and qPCR. RESULTS The percentages of endometrial FOXP3+ Tregs and peripheral CCR4+ FOXP3+ Tregs were significantly lower in the women with RIF than in the healthy controls. In addition, the percentages of CCR4+ FOXP3+ Tregs and TGF-β-expressing FOXP3+ Tregs were increased following the stimulation of naïve CD4+ T cells with anti-CD3/CD28, and these increases were concomitant with AKT and ERK dephosphorylation. CONCLUSIONS The results of this study provide novel evidence supporting a role of hCG in regulating the differentiation of peripheral FOXP3+ Tregs. The alterations of circulating Tregs may positively affect the pregnancy outcomes of patients with a history of RIF.
Collapse
Affiliation(s)
- Liang-Hui Diao
- Key Laboratory of Chemical Genomics, Shenzhen Graduate School, Peking University, Shenzhen, China.,Shenzhen Key Laboratory for Reproductive Immunology of Peri-implantation, Shenzhen Zhongshan Institute for Reproduction and Genetics, Fertility Center, Shenzhen Zhongshan Urology Hospital, Shenzhen, China
| | - Guan-Gui Li
- Shenzhen Key Laboratory for Reproductive Immunology of Peri-implantation, Shenzhen Zhongshan Institute for Reproduction and Genetics, Fertility Center, Shenzhen Zhongshan Urology Hospital, Shenzhen, China
| | - Yuan-Chang Zhu
- Shenzhen Key Laboratory for Reproductive Immunology of Peri-implantation, Shenzhen Zhongshan Institute for Reproduction and Genetics, Fertility Center, Shenzhen Zhongshan Urology Hospital, Shenzhen, China.,Key Laboratory in Healthy Science and Technology, Division of Life Science, Graduate School at Shenzhen, Tsinghua University, Shenzhen, China
| | - Wen-Wei Tu
- Laboratory for Translational Immunology, Department of Paediatrics and Adolescent Medicine, The University of Hong Kong, Hong Kong SAR, China
| | - Chun-Yu Huang
- Shenzhen Key Laboratory for Reproductive Immunology of Peri-implantation, Shenzhen Zhongshan Institute for Reproduction and Genetics, Fertility Center, Shenzhen Zhongshan Urology Hospital, Shenzhen, China.,Laboratory for Translational Immunology, Department of Paediatrics and Adolescent Medicine, The University of Hong Kong, Hong Kong SAR, China
| | - Ruo-Chun Lian
- Shenzhen Key Laboratory for Reproductive Immunology of Peri-implantation, Shenzhen Zhongshan Institute for Reproduction and Genetics, Fertility Center, Shenzhen Zhongshan Urology Hospital, Shenzhen, China
| | - Xian Chen
- Shenzhen Key Laboratory for Reproductive Immunology of Peri-implantation, Shenzhen Zhongshan Institute for Reproduction and Genetics, Fertility Center, Shenzhen Zhongshan Urology Hospital, Shenzhen, China
| | - Yu-Ye Li
- Shenzhen Key Laboratory for Reproductive Immunology of Peri-implantation, Shenzhen Zhongshan Institute for Reproduction and Genetics, Fertility Center, Shenzhen Zhongshan Urology Hospital, Shenzhen, China
| | - Tao Zhang
- Shenzhen Key Laboratory for Reproductive Immunology of Peri-implantation, Shenzhen Zhongshan Institute for Reproduction and Genetics, Fertility Center, Shenzhen Zhongshan Urology Hospital, Shenzhen, China
| | - Yong Huang
- Key Laboratory of Chemical Genomics, Shenzhen Graduate School, Peking University, Shenzhen, China
| | - Yong Zeng
- Shenzhen Key Laboratory for Reproductive Immunology of Peri-implantation, Shenzhen Zhongshan Institute for Reproduction and Genetics, Fertility Center, Shenzhen Zhongshan Urology Hospital, Shenzhen, China
| |
Collapse
|
9
|
Liang PY, Diao LH, Huang CY, Lian RC, Chen X, Li GG, Zhao J, Li YY, He XB, Zeng Y. The pro-inflammatory and anti-inflammatory cytokine profile in peripheral blood of women with recurrent implantation failure. Reprod Biomed Online 2015; 31:823-6. [DOI: 10.1016/j.rbmo.2015.08.009] [Citation(s) in RCA: 56] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2015] [Revised: 08/08/2015] [Accepted: 08/11/2015] [Indexed: 10/23/2022]
|
10
|
Liang PY, Yin B, Cai J, Hu XD, Song C, Wu TH, Zhao J, Li GG, Zeng Y. Increased Circulating Th1/Th2 Ratios But Not Other Lymphocyte Subsets During Controlled Ovarian Stimulation are Linked to Subsequent Implantation Failure after Transfer ofIn VitroFertilized Embryos. Am J Reprod Immunol 2014; 73:12-21. [PMID: 25220906 DOI: 10.1111/aji.12320] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2014] [Accepted: 08/20/2014] [Indexed: 01/25/2023] Open
Affiliation(s)
- Pei-Yan Liang
- School of Chemical Biology & Biotechnology; Shenzhen Graduate School; Peking University; Shenzhen China
- Shenzhen Key Laboratory of Reproductive Immunology for Peri-implantation; Fertility Center; Shenzhen Zhongshan Urology Hospital; Shenzhen China
- Shenzhen Zhongshan Institute for Reproduction and Genetics; Shenzhen China
| | - Biao Yin
- Shenzhen Key Laboratory of Reproductive Immunology for Peri-implantation; Fertility Center; Shenzhen Zhongshan Urology Hospital; Shenzhen China
- Shenzhen Zhongshan Institute for Reproduction and Genetics; Shenzhen China
| | - Jing Cai
- Shenzhen Key Laboratory of Reproductive Immunology for Peri-implantation; Fertility Center; Shenzhen Zhongshan Urology Hospital; Shenzhen China
- Shenzhen Zhongshan Institute for Reproduction and Genetics; Shenzhen China
| | - Xiao-Dong Hu
- Shenzhen Key Laboratory of Reproductive Immunology for Peri-implantation; Fertility Center; Shenzhen Zhongshan Urology Hospital; Shenzhen China
- Shenzhen Zhongshan Institute for Reproduction and Genetics; Shenzhen China
| | - Cheng Song
- Shenzhen Key Laboratory of Reproductive Immunology for Peri-implantation; Fertility Center; Shenzhen Zhongshan Urology Hospital; Shenzhen China
- Shenzhen Zhongshan Institute for Reproduction and Genetics; Shenzhen China
| | - Tong-Hua Wu
- Shenzhen Key Laboratory of Reproductive Immunology for Peri-implantation; Fertility Center; Shenzhen Zhongshan Urology Hospital; Shenzhen China
- Shenzhen Zhongshan Institute for Reproduction and Genetics; Shenzhen China
| | - Jing Zhao
- School of Chemical Biology & Biotechnology; Shenzhen Graduate School; Peking University; Shenzhen China
| | - Guan-Gui Li
- Shenzhen Key Laboratory of Reproductive Immunology for Peri-implantation; Fertility Center; Shenzhen Zhongshan Urology Hospital; Shenzhen China
- Shenzhen Zhongshan Institute for Reproduction and Genetics; Shenzhen China
| | - Yong Zeng
- Shenzhen Key Laboratory of Reproductive Immunology for Peri-implantation; Fertility Center; Shenzhen Zhongshan Urology Hospital; Shenzhen China
- Shenzhen Zhongshan Institute for Reproduction and Genetics; Shenzhen China
| |
Collapse
|
11
|
Liang PY, Li GG, Diao LH, Liu CC, Chen X, Huang CY, Zeng Z. Alterations in peripheral blood lymphocytes before and after successful pregnancy of patients with a history of unexplained recurrent miscarriage. J Reprod Immunol 2014. [DOI: 10.1016/j.jri.2013.12.105] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
|
12
|
Diao LH, Liang PY, Chen X, Liu CC, Huang CY, Lian RC, Li GG, Zeng Y. Three commercial ELISA kits in evaluating autoantibodies target to cardiolipin and B2-glycoprotein 1 in patients with recurrent miscarriage. J Reprod Immunol 2014. [DOI: 10.1016/j.jri.2013.12.114] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
|
13
|
Liang P, Mo M, Li GG, Yin B, Cai J, Wu T, He X, Zhang X, Zeng Y. Comprehensive Analysis of Peripheral Blood Lymphocytes in 76 Women with Recurrent Miscarriage before and after Lymphocyte Immunotherapy. Am J Reprod Immunol 2012; 68:164-74. [DOI: 10.1111/j.1600-0897.2012.01141.x] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2011] [Accepted: 03/20/2012] [Indexed: 11/28/2022] Open
|
14
|
He S, Liang XF, Li RQ, Li GG, Wang L, Shen D. Molecular characterization of heat shock protein 70 genes in the liver of three warm freshwater fishes with differential tolerance to microcystin-LR. J Biochem Mol Toxicol 2011; 24:293-302. [PMID: 20979155 DOI: 10.1002/jbt.20338] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
Heat shock protein 70 (HSP70) protect cell from oxidative stress by preventing the irreversible loss of vital proteins and facilitating their subsequent regeneration. Silver carp (Hypophthalmichthys molitrix), grass carp (Ctenopharyngodon idellus), and Nile tilapia (Oreochromis nilotica) are three warm freshwater fishes with differential tolerance to microcystin-LR (MC-LR). Full-length cDNAs encoding the HSP70 were cloned from the livers of the three fishes. The HSP70 cDNAs of silver carp, grass carp, and Nile tilapia were 2356, 2348, and 2242 bp in length and contained an open-reading frame of 1950 bp (encoding a polypeptide of 649 amino acids), 1950 bp (649 amino acids), and 1917 bp (638 amino acids), respectively. Like mammalian HSP70, the HSP70 of the three fish was also composed of an ATPase domain from residues 1 to 383 (44 kDa), substrate peptide binding domain from residues 384 to 544 (18 kDa), and a C-terminus domain from residues 545 to 649 (10 kDa). The relatively high conservation of HSP70 sequences among different vertebrates is consistent with their important role in fundamental cellular processes. Using beta-actin as an external control, RT-PCR within the exponential phase was conducted to determine the constitutive and inducible expression level of HSP70 gene among the three fishes (6-12 g) intraperitoneally injected with MC-LR (50 μg kg(-1) body weight). Both constitutive and inducible liver mRNA levels of the fish HSP70 genes showed positive relationships with their tolerance to MC-LR: highest in Nile tilapia, followed by silver carp, and lowest in grass carp. The differential expression pattern of liver HSP70 genes in the three fish indicated a potential role of HSP70 in the detoxification process of MC-LR.
Collapse
Affiliation(s)
- Shan He
- College of Life Science and Technology, Jinan University, Shipai, Guangzhou 510632, People's Republic of China
| | | | | | | | | | | |
Collapse
|
15
|
Li GG, Liang XF, Xie Q, Li G, Yu Y, Lai K. Gene structure, recombinant expression and functional characterization of grass carp leptin. Gen Comp Endocrinol 2010; 166:117-27. [PMID: 19857495 DOI: 10.1016/j.ygcen.2009.10.009] [Citation(s) in RCA: 84] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/14/2009] [Revised: 10/11/2009] [Accepted: 10/20/2009] [Indexed: 10/20/2022]
Abstract
Leptin is an important hormone for the regulation of food intake, energy expenditure and reproduction in mammals, but information regarding its role in teleosts remains scant. In the present study, the gene structures of grass carp (Ctenopharyngodon idellus) and silver carp (Hypophthalmichthys molitrix) leptins were characterized. Recombinant grass carp leptin (rgc-LEP) was expressed in Escherichia coli and purified, and identified by mass spectrometric analysis. A strong anorexic effect on food intake was observed in grass carp on the first day after intraperitoneal (IP) injection of rgc-LEP, but not during the following days. Body weight of the leptin group (LEP group) and the pair-fed group (PF group) showed no difference throughout the experimental period. The acute and chronic effects on the expression of key genes correlating to food intake, energy expenditure, lipid metabolism and digestion were further characterized by real-time PCR. Accordingly, the mRNA levels of neuropeptide Y (NPY), Stearoyl-CoA desaturase 1 (SCD1) and lipoprotein lipase (LPL) were significantly reduced whereas the mRNA levels of uncoupling protein 2 (UCP2), bile salt-activated lipase (BSAL) and fatty acid elongase (ELO) were significantly elevated on the first day after injection. No effect on the expression of these genes (except LPL) was observed on day 13. In contrast to the down-regulation by exogenous leptin in mammals, the mRNA level of grass carp leptin was elevated 5.76-fold on the first day after rgc-LEP treatment. Our results suggest that leptin has an acute effect on the regulation of food intake, energy expenditure and lipid metabolism in grass carp, but the effect can be rapidly counteracted through mechanisms that are currently unknown.
Collapse
Affiliation(s)
- Guan-Gui Li
- College of Life Science and Technology, Jinan University, Guangzhou 510632, China
| | | | | | | | | | | |
Collapse
|
16
|
Liang XF, Li GG, He S, Huang Y. Transcriptional responses of alpha- and rho-class glutathione S-transferase genes in the liver of three freshwater fishes intraperitoneally injected with microcystin-LR: relationship of inducible expression and tolerance. J Biochem Mol Toxicol 2008; 21:289-98. [PMID: 17912703 DOI: 10.1002/jbt.20188] [Citation(s) in RCA: 35] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
Rho-class glutathione S-transferase (GST) is found only in teleost fish with no homologues in mammals. Silver carp (Hypophthalmichthys molitrix), grass carp (Ctenopharyngodon idellus), and Nile tilapia (Oreochromis nilotica) are three warm freshwater fishes with differential tolerance to microcystin-LR (MC-LR): Nile tilapia has a little higher tolerance than silver carp, but both have much higher tolerance than grass carp. Full-length cDNAs encoding the rho-class GST were cloned and sequenced from the livers of the three fishes. The silver carp, grass carp, and Nile tilapia rho-class GST cDNAs were 1078, 1104, and 904 bp in length, respectively, and all contained an open-reading frame (ORF) of 681 bp (encoding a polypeptide of 226 amino acids). Using beta-actin as an external control, semiquantitative RT-PCR was conducted to determine the constitutive and inducible expression level of alpha- and rho-class GST genes among the three fishes (6-12 g) intraperitoneally injected with MC-LR (50 mug kg(-1) body weight). Liver mRNA expression levels of alpha-class GST gene were found to be higher than those of rho-class GST gene in both exposed and control fish of silver carp and grass carp, whereas liver mRNA expression levels of rho-class GST gene were higher than those of alpha -class GST gene in both exposed and control fish of Nile tilapia. Increased liver transcription of GST isoforms was detected at 8-h postinjection of MC-LR in silver carp (alpha- and rho-class GST) and Nile tilapia (rho-class GST), and at 24-h postinjection in silver carp (alpha-class GST) and Nile tilapia (alpha-class GST), but an increase in liver transcription neither of alpha-class GST nor of rho-class GST was detected in grass carp at either 8-h or 24-h postinjection. The inducible expression of the liver GST gene showed a close relationship with their tolerance to MC-LR: high-resistant fish (phytoplanktivorous silver carp and Nile tilapia) had inducible liver expression of either alpha- or rho-class GST, and the high-sensitive fish (herbivorous grass carp) had no inducible liver expression of either one. We suggest that inducible expression (instead of constitutive expression) of the liver GST gene should play an important role in the tolerance to microcystin exposure, and that in addition to alpha-class GST, high-liver expression of rho-class GST gene might have facilitated the evolutionary radiation of teleost fish.
Collapse
Affiliation(s)
- Xu-Fang Liang
- College of Life Science and Technology, Jinan University, Shipai, Guangzhou 510632, People's Republic of China.
| | | | | | | |
Collapse
|
17
|
He H, Han ML, Li GG. [Plant regeneration from Agobacterium-mediated CTV-cp gene transformation of Poncirus trifoliata Raf]. Zhongguo Zhong Yao Za Zhi 2001; 26:21-3. [PMID: 12525114] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/28/2023]
Abstract
OBJECTIVE To lay a foundation for the resistant breeding, the anti-virus CTV-cp gene was transformed into the epicotyles mediated by Agrobacterium tumefaciens in Poncirus trifoliata. METHOD The explants used for the genetic transformation were the epicotyls from P. trifoliata. The Agrobacterum tumefaciens strain was EHA101 containing vector plasmid pGA482GG. The coat protein gene (CTV-cp gene), GUS gene and NPT II gene were introduced into the transformation plasmid. RESULTS Ceftaxime used as antibiotics was better than carbenicillin. The concentration was 300 mg.L-1; The selection pressure for kanamycin was 50 mg.L-1; 70.0% of the resistant plants were GUS-positive; extra gene was proved to be in P. trifoliata plant by southern blot examination. CONCLUSION An effective genetic transformation mediated by Agrobacterium tumefacines, which harbours a CTV-cp gene, has been developed in P. trifoliata. Transgenic CTV-cp plants were obtained.
Collapse
Affiliation(s)
- H He
- Institute of Chinese Materia Medica, University of Traditional Chinese Medical and Pharmaceutical Sciences, Guangzhou 510405, Guangdong, China
| | | | | |
Collapse
|
18
|
Sato RL, Yamamoto LG, Li GG. Malpractice risk assessment among different approaches for informed consent. Hawaii Med J 2000; 59:357-61. [PMID: 11055115] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/18/2023]
Abstract
INTRODUCTION The standards for obtaining informed consent, set forth by the Hawaii Revised Statutes, establish that it is the physician's duty to disclose what a reasonable person objectively needs to hear in order to make an informed decision. It is the purpose of this study to report the opinions of medical malpractice attorneys to survey their opinion whether full or limited disclosure of alternative treatments in informed consent is viewed as having a lower malpractice risk. METHODS Hawaii medical malpractice attorneys viewed a compilation of arguments for and against both full and limited disclosure, and completed an opinion survey after reading samples of disclosure statements in two different case scenarios: 1) a pediatric emergency department case involving a febrile child at risk for occult bacteremia, and 2) an obstetrics case involving a woman with a postdate pregnancy. RESULTS A vast majority of respondents believe that, in general and in the obstetrics case, full disclosure results in less liability. In the pediatrics ED case, 46% chose full disclosure as having less liability, 38% believe that the same liability exists with both full and limited disclosure, and 15% believe that limited disclosure is associated with less liability in this case. CONCLUSIONS Hawaii attorneys with medical malpractice experience overwhelmingly agree that, in general, full disclosure is associated will less medical legal liability. Full disclosure was also the option selected as associated with less liability by a majority of attorneys in a sample obstetrical case. Opinions were more diverse in the pediatrics ED case. Many attorneys stressed that judging the risk of liability in general is difficult, and should be done on a case by case basis.
Collapse
|
19
|
Chin KC, Li GG, Ting JP. Importance of acidic, proline/serine/threonine-rich, and GTP-binding regions in the major histocompatibility complex class II transactivator: generation of transdominant-negative mutants. Proc Natl Acad Sci U S A 1997; 94:2501-6. [PMID: 9122224 PMCID: PMC20117 DOI: 10.1073/pnas.94.6.2501] [Citation(s) in RCA: 76] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/1996] [Accepted: 12/31/1996] [Indexed: 02/04/2023] Open
Abstract
The class II transactivator (CIITA) is a master transcription regulator of gene products involved in the exogenous antigen presentation pathway, including major histocompatibility complex (MHC) class II, invariant chain, and DM. An extensive analysis of the putative functional domains of CIITA is undertaken here to explore the action of CIITA. Antibodies to CIITA protein were produced to verify that these mutant proteins are expressed. Both acidic and proline/serine/threonine-rich domains are essential for class II MHC promoter activation. In addition, three guanine nucleotide-binding motifs are essential for CIITA activity. Of these mutants, two exhibited strong transdominant-negative functions. These two mutants provide a plausible approach to manipulate MHC class II expression and immune responses.
Collapse
Affiliation(s)
- K C Chin
- Department of Biochemistry and Biophysics, University of North Carolina at Chapel Hill, 27599-7295, USA
| | | | | |
Collapse
|
20
|
Booth CH, Bridges F, Bauer ED, Li GG, Boyce JB, Claeson T, Chu CW, Xiong Q. XAFS measurements of negatively correlated atomic displacements in HgBa2CuO4+ delta. Phys Rev B Condens Matter 1995; 52:15745-15748. [PMID: 9980947 DOI: 10.1103/physrevb.52.r15745] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/12/2023]
|
21
|
Li GG, Bridges F, Booth CH. X-ray-absorption fine-structure standards: A comparison of experiment and theory. Phys Rev B Condens Matter 1995; 52:6332-6348. [PMID: 9981863 DOI: 10.1103/physrevb.52.6332] [Citation(s) in RCA: 99] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/12/2023]
|
22
|
Li GG, Bridges F, Boyce JB, Claeson T, Ström C, Eriksson S, Conradson SD. Correlated local distortions of the TlO layers in Tl2Ba2CuOy: An x-ray-absorption study. Phys Rev B Condens Matter 1995; 51:8564-8581. [PMID: 9977472 DOI: 10.1103/physrevb.51.8564] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/12/2023]
|
23
|
Li GG, Conradson SD, Lovato MV, Subramanian MA. Local distortions of the Tl-O layers in Tl-based high-temperature superconductors. Phys Rev B Condens Matter 1994; 50:3356-3362. [PMID: 9976589 DOI: 10.1103/physrevb.50.3356] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/12/2023]
|
24
|
Li GG, Tan AJ. [A case-control study of serum beta-carotene and lung cancer]. Zhonghua Yu Fang Yi Xue Za Zhi 1994; 28:81-3. [PMID: 7924652] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Abstract
A 1:2 matched case-control study was conducted in Wuhan area with conditional logistic regression model to study the relationship between occurrence of primary lung cancer and serum levels of beta-carotene. The results showed the lower the serum levels of beta-carotene, the higher the risk of lung cancer. It suggested the increase of serum beta-carotene with dietary intake could lower the risk of lung cancer.
Collapse
Affiliation(s)
- G G Li
- Department of Epidemiology, Tongji Medical University, Wuhan
| | | |
Collapse
|
25
|
Li GG, Bridges F, Boyce JB, Joiner WC. Local structure of Co- and Fe-substituted YBa2Cu3O7- delta studied by x-ray-absorption spectroscopy. Phys Rev B Condens Matter 1993; 47:12110-12125. [PMID: 10005382 DOI: 10.1103/physrevb.47.12110] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/12/2023]
|
26
|
Li GG, Huang PH, Sun T, Ma MF, Luo ZQ. [Male contraceptive -- the biological compatibility evaluation of hydrogel HFMC]. Shengzhi Yu Biyun 1992; 12:56-9. [PMID: 12285893] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 04/19/2023]
|
27
|
Boyce JB, Bridges FG, Claeson T, Geballe TH, Li GG, Sleight AW. Local structure of BaBixPb1-xO3 determined by x-ray-absorption spectroscopy. Phys Rev B Condens Matter 1991; 44:6961-6972. [PMID: 9998580 DOI: 10.1103/physrevb.44.6961] [Citation(s) in RCA: 32] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/12/2023]
|
28
|
Golub EI, Li GG, Volsky DJ. Differences in the basal activity of the long terminal repeat determine different replicative capacities of two closely related human immunodeficiency virus type 1 isolates. J Virol 1990; 64:3654-60. [PMID: 2370677 PMCID: PMC249658 DOI: 10.1128/jvi.64.8.3654-3660.1990] [Citation(s) in RCA: 52] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022] Open
Abstract
Two human immunodeficiency virus type 1 (HIV-1) variants derived from a single parental isolate were found to differ substantially in their ability to replicate in CD4-positive cells. Using transient chloramphenicol acetyltransferase expression assays, we show that the long terminal repeat (LTR) of the better-replicating virus has significantly higher capacity than that of the companion virus to direct gene expression in T cells. Sequence data and site-specific mutagenesis experiments demonstrate that the higher LTR activity of the better-replicating HIV-1 is due to a combined effect of two mutations: (i) a point mutation in position -94 (relative to the transcriptional start site), which is located between the two subunits of the HIV-1 enhancer, and (ii) a duplication of 24 base pairs in positions -128 to -151, which was not previously known to be involved in any regulatory function. The presence of these mutations increases the basal level of the LTR-driven gene expression and does not influence the degree of induction caused by the viral tat gene product or by cell activation. Reciprocal exchange of LTRs between the respective viral DNAs results in a change of a recombinant virus replication pattern consistent with the activity of the particular LTR. These experiments suggest that the HIV-1 LTR is one of the sites which determines the functional heterogeneity of HIV-1.
Collapse
Affiliation(s)
- E I Golub
- Molecular Virology Laboratory, St. Luke's/Roosevelt Hospital Center, New York, New York
| | | | | |
Collapse
|
29
|
Xu G, Tang P, Wang YP, Chen XH, Zhang WG, Li GG. [Carcinogenic effects on Syrian hamster embryo cells exposed to He-Ne laser in vitro]. Hua Xi Yi Ke Da Xue Xue Bao 1987; 18:238-40. [PMID: 3679175] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
|
30
|
Xu G, Bai SH, Chen XH, Tang P, Li GG. [The injury effect of hematoporphyrin disodium salt of the pig and He-Ne laser to human cells in vitro]. Sichuan Yi Xue Yuan Xue Bao 1985; 16:310-13. [PMID: 3837389] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
|
31
|
Xu G, Bai SH, Tang P, Chen XH, Li GG. [Successful induction of transformation of NIH/3T3 cells in vitro by low energy level He-Ne laser]. Sichuan Yi Xue Yuan Xue Bao 1985; 16:19-23. [PMID: 4012585] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
|
32
|
Li GG, Wang YL, Xu ZP, Zhang PL, Zhao W. [Studies on the chemical constituents of Isodon amethystoides (Benth) C Y Wu et Hsuan]. Yao Xue Xue Bao 1981; 16:667-71. [PMID: 7331815] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
|
33
|
Song J, Yu JY, Li GG. Theory on prospect of population evolution processes. Sci Sin 1981; 24:431-44. [PMID: 7256253] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
Abstract
This paper is aimed at investigating the dynamic process of population growth applied to population of the People's Republic of China. The discrete and continuous models of population evolution process are revised and adjusted to suit the social conditions of China. The relationship between two kinds of models is established. A series of new formulae of demographic indices are studied and defined as functions on the negative space of generalized solutions of the population equation. Based on survey data collected in China for recent years, the prospect of population growth according to different projections is offered for a one-hundred-year period from now on.
Collapse
|