1.Clinical analysis of 330 patients with primry aldosteronism
Nanfang LI ; Hongjian LI ; Hongmei WANG ; Xinling WANG ; Feiya ZU ; Guijuan CHANG ; Keming ZHOU ; Qin LUO ; Menghui WANG ; Junli HU ; Lei WANG
Chinese Journal of Endocrinology and Metabolism 2011;27(9):752-754
The clinical data of 330 patients with primary aldosteronism (PA) from January 2006 to March 2010 were retrospectively analyzed. The prevalence of 1, 2, and 3 stage hypertension in these subjects was 3.64%,20. 91%, and 75.45 %, respectively. Of all PA patients, 89.09% were young adults and 81.82% were overweight or obese. There was a marked preponderance of male patients in the overweight or obese group ( P<0. 01 ). The incidence of hypokalemia was 32. 12%. The concentration of serum potassium was not associated with the disease course. Logistic regression showed that the concentration of plasma aldosterone was an independent risk factor of hypokalemia in PA patients( P<0. 01 ). 79. 09% PA patients presented the plasma aldosterone level over 12 ng/dl and the renin activity level of less than 1 ng · ml-1 · h-1. The aldosterone-to-rennin activity ratio was >20 in 94.24% of the patients with PA.
2.Genetic analysis of a blood donor with combined FUT1 and ABO dual blood group gene variants resulting in para-Bombay and A 2 subtype blood types and a literature review
Ziyi HE ; Yingming HU ; Menghui BEI ; Xiaomei JIE ; Xianguo XU
Chinese Journal of Medical Genetics 2024;41(11):1379-1386
Objective:To investigate the serological and molecular genetic characteristics of a voluntary blood donor with combined FUT1 and ABO blood group gene variants causing para-Bombay and A2 subtype, and to review relevant literature on para-Bombay blood types carrying alleles such as FUT101W.37 and FUT101W.23. Methods:A blood donor with para-Bombay and A 2 subtype who participated in voluntary blood donation at the Dongguan Blood Center in August 2023 was selected as the study subject. Serological tests were performed to identify the ABO blood group, Lewis blood group antigens, and unexpected serum antibodies in the donor. Adsorption-elution test was conducted to detect trace antibodies in the blood donor′s plasma to trace the A, B and H antigens on the red blood cell surface. Sanger sequencing was carried out to analyze the sequences of the FUT1 and ABO genes. Using keywords such as " para-Bombay" " FUT1*01W.37" and " FUT1*01W.23" both in Chinese and English, relevant literature on para-Bombay blood type subjects carrying FUT1*01W.37 and FUT1*01W.23 alleles was retrieved from the CNKI, Wanfang Data Knowledge Service Platform, and PubMed databases, and the retrieval time was set as from the establishment of database to December 2022. This study has been approved by the Ethics Committee of Dongguan Blood Center (No. 2022005), and informed consent of blood donation was obtained from the blood donor. Results:Serological testing of the blood donor revealed inconsistent results between forward and reverse ABO blood typing, negative H antigen on the red blood cell surface, Le(a-b+ ) secretor type for Lewis blood group, and unexpected anti-H antibodies in the plasma, indicating a suspected para-Bombay type. Absorption-elution test suggested the blood type of the blood donor to be para-Bombay and A subtype. Sanger sequencing showed that the donor has harbored homozygous FUT1*(c.35T+ c.803A)/(c.35T+ c.803A) variant, with the FUT1*(c.35T+ c.803A) allele containing a dual nucleotide variant unrecorded by the International Society of Blood Transfusion (ISBT) FUT1 gene variant database, which was similar to the weakly functional allele of FUT101W. 37(c.803G>A) as recorded by the ISBT database. The ABO genotype was heterozygous ABOA2.05/O.01.02. Combining the results of serological and genetic testing, the blood type of the blood donor was determined to be para-Bombay and A 2 subtypes. Literature review has identified a pregnant women from Qingdao carrying the FUT1*01W.37 allele and 2 individuals carrying a heterozygous FUT1*01W.23 allele. Conclusion:This study has discovered a blood donor with coexisting para-Bombay and ABO subtype blood groups. Based on the characteristics of red blood cell surface antigens, the FUT1*01W.37 as classified as an FUT1 null allele.
3.Homozygous variants of the new allele A4GALT result in rare p blood groups
Ziyi HE ; Yingming HU ; Guangping LUO ; Xiaomei JIE ; Menghui BEI ; Xianguo XU
Chinese Journal of Laboratory Medicine 2024;47(11):1345-1348
The proband was a 33-year-old pregnant woman (G4P1) who suffered spontaneous abortion in the first 3 months of pregnancy without a history of blood transfusion or transplantation. The fourth pregnancy was clinically diagnosed with threatened abortion, and a cesarean section was performed on June 28, 2023, at the Obstetrics and Gynecology Department of Dongguan Hospital of Traditional Chinese Medicine. During cross-matching tests, unexpected antibodies were detected in the proband′s plasma, which could not be specifically identified, and no suitable donor red blood cells could be found. The blood samples were sent to the Blood Transfusion Laboratory of Dongguan Blood Center. The laboratory used serology to identify the erythrocyte phenotype of the proband and confirmed the proband as having a rare p blood group. The unexpected antibody was identified as anti-PP1P K, and gene sequencing of the proband revealed that the new allele A4GALT* (c.100G>A+c.418_428delins) was homozygous, which is speculated to cause changes in the polypeptide chains p.Veral34ile and p.GERln140TRPFS *73, and inactivation of α1, 4-galactosyltransferase. At the same time, another new allele A4GALT*c.100G>A was found in family members, and it was predicted that the single change of p.Val34Ile caused by this mutation would not affect protein function or enzyme activity.
4.Effects of Burdock Leaf Extract NBY-4 on Oxidative Damage of Vascular Endothelial Cells
Kaixia WANG ; Jingjing YAN ; Panxia CAO ; Menghui HU ; Liping DAI ; Hong WU
World Science and Technology-Modernization of Traditional Chinese Medicine 2023;25(12):3899-3907
Objective To investigate the function of burdock leaf extract NBY-4 in protecting vascular endothelial cells from oxidative damage.Methods The oxidative damage model of vascular endothelial cells was established with hydrogen peroxide(H2O2).ROS,LDH,SOD,apoptosis rate and the expression of apoptosis were measured;Further test the nuclear transcription factor-κB(NF-κB).Results In the model group,H2O2 increased the apoptosis rate of endothelial cells,increased the ratio of Bax/Bcl-2 and the expression of Caspase-3,promoted the production of ROS and LDH in endothelial cells,and inhibited the level of SOD,resulting in oxidative damage to endothelial cells(P<0.05).NBY-4 could slow down the process of these effects;At the same time,NBY-4 can reduce NF-κB in endothelial cells.Conclusion NBY-4 can inhibit endothelial cell apoptosis and antioxidant damage by NF-κB signaling pathway.
5.Summary of the best evidence for thirst management in surgical perioperative patients
Menghui GAO ; Ning NING ; Jiali CHEN ; Peifang LI ; Zhongmin FU ; Jingying XIE ; Rong HU ; Lei LEI
Chinese Journal of Modern Nursing 2023;29(3):318-324
Objective:To summarize the best evidence of thirst management in peripheral surgical patients in China, and to provide theoretical basis for clinical thirst management.Methods:According to the PIPOST model, research questions were raised. According to the "6S" model, literature published by various guide websites, evidence-based databases, original research databases and professional association websites at home and abroad from database establishment to January 30, 2022 were systematically retrieved. Two researchers independently evaluated the quality of the literature and extracted and integrated the evidence of the literature that met the quality standards. The research team graded the evidence and determined the recommendation level.Results:A total of 15 literatures were selected, including 2 systematic reviews, 3 clinical decisions and 10 randomized controlled trials (RCTS) . A total of 23 evidences were sorted out, including 8 aspects such as drug factors affecting thirst, thirst assessment tools, preoperative thirst intervention strategy, postoperative safe drinking water assessment, postoperative thirst intervention strategy, nursing observation, health education and precautions.Conclusions:In the absence of uniform standards for perioperative thirst management, the evidence summarized in this study can provide evidence-based evidence for clinical nursing work.