1.Primary drug resistance among HIV-1 patients in Hubei Province in 2020-2022
Meng GUO ; Fanghua MEI ; Cong LIU ; Kangping ZHOU ; Junqiang XYU ; Kun CAI
Journal of Public Health and Preventive Medicine 2024;35(1):49-52
Objective To investigate the prevalence of primary drug resistance among HIV-1 patients in Hubei Province from 2020 to 2022, and to provide corresponding basis and data support for HIV antiviral therapy (ART) in Hubei Province. Methods During 2020-2022, plasma samples of HIV-1 infected patients before ART were collected., Patients’ demographic data and baseline laboratory test data were also collected. HIV-1 pol region was amplified by in-house method for sub-type typing and drug-resistant mutation site analysis. Results The pol gene sequence was successfully amplified in 242 of 285 cases, with a success rate of 84.9%. CRF07_BC was the predominant HIV-1 sub-type, accounting for 47.11% (114/242), followed by CRF01_AE, accounting for 25.21% (61/242), sub-type B, accounting for 14.16% (35/242), and CRF55_01B, accounting for 4.13% (10/242). The primary resistance rate was 6.20% (15/242). The mutation site of nucleoside reverse transcriptase inhibitors (NRTIs) was mainly M184V, and the mutation sites of non-nucleoside reverse transcriptase inhibitors (NNRTIs) were mainly E138A/G/EG and V179E. These different mutation sites led to different degrees of drug resistance to 12 drugs. The incidence of drug resistance mutation of CRF55_01B sub-type was significantly higher than that of other sub-types. Conclusion The primary drug resistance rate of HIV-1 infected patients is at a slightly high level in Hubei Province, and close monitoring of primary drug resistance and mutation sites should be strengthened before ART, especially for CRF55_01B sub-type.
2.Transcriptomic Analysis of Wuzi Yanzongwan on Testicular Spermatogenic Function in Semi-castrated Male Mice
Dixin ZOU ; Yueyang ZHANG ; Xuedan MENG ; Wei LU ; Shuang LYU ; Fanjun ZENG ; Kun CHEN ; Chang LIU ; Zhongxiu ZHANG ; Yu DUAN ; Yihang DAI ; Zhaoyi WANG ; Zhimin WANG ; Ruichao LIN
Chinese Journal of Experimental Traditional Medical Formulae 2024;30(1):61-69
ObjectiveTo screen out the transcriptomes related to the intervention of Wuzi Yanzongwan on the spermatogenic function of semi-castrated male mice, and to explore its potential mechanism in the intervention of the progress of low spermatogenic function. MethodBalb/c mice were randomly divided into sham-operated group, model group, testosterone propionate group(0.2 mg·kg-1·d-1, intramuscular injection) and Wuzi Yanzongwan group(1.56 g·kg-1·d-1, intragastric administration) according to body weight, with 12 mice in each group. The right testicle and epididymis were extracted from the model group and the drug administration group to construct the semi-castrated model of low spermatogenic function, while the fur and the right scrotum of the sham-operated group were only cut and immediately sterilized and sutured. At the end of the intervention, hematoxylin-eosin(HE) staining was used to observe the histopathology of testis, enzyme-linked immunosorbent assay(ELISA) was used to detect the levels of serum testosterone(T), luteinizing hormone(LH) and follicle stimulating hormone(FSH). The sperm count and motility of epididymis were measured by automatic sperm detector of small animal. Transcriptomic microarray technology was used to detect the mRNA expression level of testicular tissue in each group, the transcriptome of genes related to the regulation of Wuzi Yanzongwan was screened, and three mRNAs were selected for Real-time fluorescence quantitative polymerase chain reaction(Real-time PCR) to verify the transcriptome data. Through the annotation analysis of Gene Ontology(GO) and the signaling pathway analysis of Kyoto Encyclopedia of Genes and Genomes(KEGG), the related functions of drugs regulating transcriptome were analyzed. ResultCompared with the sham-operated group, the testicular tissue of mice in the model group showed spermatogenic injury, contraction and vacuolization of the seminiferous tubules, reduction of spermatogenic cells at all levels, widening of the interstitial space, obstruction of spermatogonial cell development and other morphological abnormalities, and serum T significantly decreased, LH significantly increased(P<0.01), and FSH elevated but no statistically significant difference, the count and vitality of epididymal sperm significantly decreased(P<0.01). There were 882 differentially expressed mRNAs in the testicular tissues, of which 565 were up-regulated and 317 were down-regulated. Cluster analysis showed that these differentially expressed mRNA could effectively distinguish between the sham-operated group and the model group. Compared with the model group, the damage to testicular tissue in the Wuzi Yanzongwan group was reduced, the structure of the seminiferous tubules was intact, vacuolization was reduced, and the number of spermatogenic cells at all levels was significantly increased and arranged tightly. The serum T significantly increased, LH significantly decreased(P<0.01), and FSH decreased but the difference was not statistically significant. The count and vitality of sperm in the epididymis were significantly increased(P<0.01). Moreover, Wuzi Yanzongwan could regulate 159 mRNA levels in the testes of semi-castrated mice, of which 32 were up-regulated and 127 were down-regulated, and the data of the transcriptome assay was verified to be reliable by Real-time PCR. GO and KEGG analysis showed that the transcriptome functions regulated by Wuzi Yanzongwan were involved in the whole cell cycle process of sperm development such as sex hormone production of interstitial cells in testis, renewal, differentiation, metabolism, apoptosis and signal transduction of spermatogenic cells, and were closely related to the biological behaviors of signaling pathways such as spermatogenic stem cell function, endoplasmic reticulum protein processing and metabolic program. ConclusionWuzi Yanzongwan can effectively improve the low spermatogenic function of semi-castrated male mice, and its mechanism may be related to the regulation of testicular transcriptional regulatory network, the synthesis of sex hormones in testicular interstitial cells, the function of spermatogenic stem cells, the whole cell cycle process of spermatogenesis, as well as the expression of endoplasmic reticulum protein processing and metabolic program related genes transcription.
3.Mental health status and influencing factors of permanent residents in Yichang, Hubei Province
Hong LIN ; Ying WANG ; Baohua XYU ; Kun MENG ; Hao TONG ; Yixing QIN ; Zhongchun LIU
Journal of Public Health and Preventive Medicine 2024;35(2):114-118
Objective To investigate the characteristics and influencing factors of mental health status of permanent residents in Yichang, Hubei Province. Methods A total of 9 576 permanent residents aged 18 years and older from Yichang City were selected by a multistage random sampling method between June and October 2022. The PHQ-9 was used to assess the residents’ depressive symptoms, the GAD-7 was used to assess their anxiety symptoms, the ISI was used to assess their insomnia status, and the PCL-5 was used to assess their stress status. The influence factors of depression and anxiety were analyzed using χ2 test and logistic regression. Results A total of 9 122 valid questionnaires were completed. The detection rate of depression, anxiety, insomnia, and stress symptoms were 29.98%, 19.03%, 11.97% and 1.58%, respectively. Gender, education level, monthly family income, self-rated health status, mental health literacy level, total GAD-7 score, total ISI score, and total PCL-5 score were the main factors that caused residents' anxiety symptoms, while gender, education level, self-rated health status, total PHQ-9 score, total ISI score, and total PCL-5 score were the main factors that caused residents' anxiety symptoms. Conclusion The prevalence of depression and anxiety is high among the permanent residents in Yichang, while the situation of insomnia and stress is relatively good. Measures such as improving the level of mental health literacy can be taken to improve mental health level of residents in Yichang.
4.Application of HIV nucleic acid test in detecting western blot indeterminate and negative specimens
Cong LIU ; Meng GUO ; Fanghua MEI ; Kun CAI ; Yake LEI
Journal of Public Health and Preventive Medicine 2024;35(5):105-108
Objective To explore the application of nucleic acid test in the diagnosis of HIV western blotting (WB) indeterminate and negative samples. Methods A total of 2 518 HIV samples to be confirmed were collected from the Hubei HIV Confirmation Center Laboratory from 2014 to 2022. The results of follow-up antibody test and nucleic acid test of WB indeterminate and negative samples were analyzed, and the diagnostic rate, sensitivity, specificity and coincidence rate of the two detection strategies were compared. Results There were totally 133 indeterminate or negative samples by WB test. Of the 99 indeterminate samples , 76 (76.77%) had nucleic acid test results >5000 copies/mL. 40 cases were followed up, of which 33 cases (82.50%) turned positive and 7 (17.50%) were still uncertain. Of the 7 samples with 20~5000 copies /mL (7.07%), 2 cases were followed up and both turned positive during the follow-up. 1 case (1.01%) with nucleic acid <20 copies/mL turned positive during follow-up. Among the 34 WB negative samples, 15 cases (45.45%) were > 5 000 copies/mL, 9 of which were seroconversion. The diagnostic rates of “antibody confirmation” and “nucleic acid test” were 96.78% (2 437/2 518) and 99.60% (2 508/2 518), respectively. The sensitivities were 98.02% (2 430/2 479) and 99.88% (2476/2 479), and the specificities were 78.13% (25/32) and 100.00 % (32/32), respectively. The coincidence rates were 97.77% (2 455/2 511) and 99.88% (2 508/2 511), respectively. Conclusion Nucleic acid supplemental test strategy has high diagnostic rate, sensitivity, specificity and coincidence rate. WB indeterminate and negative samples can be diagnosed as early as possible through nucleic acid supplemental testing.
5.A retrospective study on the efficacy of Roxadustat in peritoneal dialysis patients with erythropoietin hyporesponsiveness
Jie LIU ; Shuang LI ; Fan YANG ; Tianyu LI ; Rui LI ; Yousuf WAHEED ; Chen MENG ; Shulin LI ; Kun LIU ; Yanshan TONG ; Haisheng XU ; Chuankuo TIAN ; Xinglei ZHOU
The Korean Journal of Internal Medicine 2024;39(3):488-500
Background/Aims:
Roxadustat, an oral medication for treating renal anemia, is a hypoxia-inducible factor prolyl hydroxylase inhibitor used for regulating iron metabolism and promoting erythropoiesis. To investigate the efficacy and safety of roxadustat in patients undergoing peritoneal dialysis (PD) with erythropoietin hyporesponsiveness.
Methods:
Single-center, retrospective study, 81 PD patients (with erythropoietin hyporesponsiveness) were divided into the roxadustat group (n = 61) and erythropoiesis-stimulating agents (ESAs) group (n = 20). Hemoglobin (Hb), total cholesterol, intact parathyroid hormone (iPTH), brain natriuretic peptide (BNP), related indicators of cardiac function and high-sensitivity C-reactive protein (hs-CRP) were collected. Additionally, adverse events were also recorded. The follow-up period was 16 weeks.
Results:
The two groups exhibited similar baseline demographic and clinical characteristics. At baseline, the roxadustat group had a mean Hb level of 89.8 ± 18.9 g/L, while the ESAs group had a mean Hb level of 95.2 ± 16.0 g/L. By week 16, the Hb levels had increased to 118 ± 19.8 g/L (p < 0.05) in the roxadustat group and 101 ± 19.3 g/L (p > 0.05) in the ESAs group. The efficacy of roxadustat in improving anemia was not influenced by baseline levels of hs-CRP and iPTH. Cholesterol was decreased in the roxadustat group without statin use. An increase in left ventricular ejection fraction and stabilization of BNP were observed in the roxadustat group.
Conclusions
For PD patients with erythropoietin hyporesponsiveness, roxadustat can significantly improve renal anemia. The efficacy of roxadustat in improving renal anemia was not affected by baseline levels of hs-CRP0 and iPTH.
6.Will male semen quality improve with environmental quality?
Xu-Chao DAI ; Meng-Qi ZHANG ; Gang CHEN ; Kun MEI ; Yan-Long LIU ; Hong HUANG ; Zhi-Gang WU
Asian Journal of Andrology 2023;25(2):252-258
Wenzhou has improved its environmental quality because of comprehensive environmental remediation; nevertheless, the semen quality of infertile males remains unclear. This study determined whether better environmental quality improved semen quality in this region. We recorded semen quality data from 22 962 infertile males from January 2014 to November 2019 at the Center for Reproductive Health of The First Affiliated Hospital of Wenzhou Medical University (Wenzhou, China). Patients were predominantly 30-35 years old (33.1%) and workers (82.0%), with high school education or lower (77.6%); more than a half of the patients (52.6%) were Wenzhou household registration; and most patients (77.5%) had abnormal semen quality. Patients who were older than 40 years and workers, and those with Wenzhou household registration, had significantly worse semen quality (all P < 0.05). From 2014 to 2019, progressive sperm motility, total sperm motility, and semen volume showed increasing linear trends in all patients (P = 0.021, 0.030, and 0.005, respectively), yet normal sperm morphology showed a linearly decreasing trend (P = 0.046). Sensitivity analyses for subgroups yielded similar results. In conclusion, the improvement of environmental quality and better function of the accessory glands are associated with progressive sperm motility, total sperm motility, and semen volume. Normal sperm morphology is influenced by occupational exposures and personal lifestyle and does not improve with environmental quality.
Male
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Humans
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Adult
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Semen Analysis
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Semen
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Sperm Count
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Sperm Motility
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Infertility, Male
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Spermatozoa
7.Neutralizing Antibody Responses against Five SARS-CoV-2 Variants and T Lymphocyte Change after Vaccine Breakthrough Infections from the SARS-CoV-2 Omicron BA.1 Variant in Tianjin, China: A Prospective Study.
Ying ZHANG ; Jiang Wen QU ; Min Na ZHENG ; Ya Xing DING ; Wei CHEN ; Shao Dong YE ; Xiao Yan LI ; Yan Kun LI ; Ying LIU ; Di ZHU ; Can Rui JIN ; Lin WANG ; Jin Ye YANG ; Yu ZHAI ; Er Qiang WANG ; Xing MENG
Biomedical and Environmental Sciences 2023;36(7):614-624
OBJECTIVE:
To investigate whether Omicron BA.1 breakthrough infection after receiving the SARS-CoV-2 vaccine could create a strong immunity barrier.
METHODS:
Blood samples were collected at two different time points from 124 Omicron BA.1 breakthrough infected patients and 124 controls matched for age, gender, and vaccination profile. Live virus-neutralizing antibodies against five SARS-CoV-2 variants, including WT, Gamma, Beta, Delta, and Omicron BA.1, and T-lymphocyte lymphocyte counts in both groups were measured and statistically analyzed.
RESULTS:
The neutralizing antibody titers against five different variants of SARS-CoV-2 were significantly increased in the vaccinated population infected with the Omicron BA.1 variant at 3 months after infection, but mainly increased the antibody level against the WT strain, and the antibody against the Omicron strain was the lowest. The neutralizing antibody level decreased rapidly 6 months after infection. The T-lymphocyte cell counts of patients with mild and moderate disease recovered at 3 months and completely returned to the normal state at 6 months.
CONCLUSION
Omicron BA.1 breakthrough infection mainly evoked humoral immune memory in the original strain after vaccination and hardly produced neutralizing antibodies specific to Omicron BA.1. Neutralizing antibodies against the different strains declined rapidly and showed features similar to those of influenza. Thus, T-lymphocytes may play an important role in recovery.
Humans
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Antibodies, Neutralizing
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Prospective Studies
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SARS-CoV-2
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Breakthrough Infections
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COVID-19 Vaccines
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COVID-19
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T-Lymphocytes
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China/epidemiology*
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Antibodies, Viral
8.Hyperprolinemia type Ⅰ caused by PRODH gene variation: 2 cases report and literature review.
Zhen Hua XIE ; Xian LI ; Meng Jun XIAO ; Jing LIU ; Qiang ZHANG ; Zhen Kun ZHANG ; Yan Ling YANG ; Hai Jun WANG ; Yong Xing CHEN ; Yao Dong ZHANG ; Dong Xiao LI
Chinese Journal of Pediatrics 2023;61(10):935-937
9.Oxidative phosphorylation safeguards pluripotency via UDP-N-acetylglucosamine.
Jiani CAO ; Meng LI ; Kun LIU ; Xingxing SHI ; Ning SUI ; Yuchen YAO ; Xiaojing WANG ; Shiyu LI ; Yuchang TIAN ; Shaojing TAN ; Qian ZHAO ; Liang WANG ; Xiahua CHAI ; Lin ZHANG ; Chong LIU ; Xing LI ; Zhijie CHANG ; Dong LI ; Tongbiao ZHAO
Protein & Cell 2023;14(5):376-381
10. Effects of liraglutide on inflammation and mitochondrial fusion/division in Parkinson' s disease model of mice induced by paraquat
Zhe-Chuan LIU ; Kun LI ; Shuai-Nan MA ; Jia-Qi MENG ; Yan-Qin WANG
Acta Anatomica Sinica 2023;54(6):676-681
Objective To investigate the protective effect and mechanism of liraglutide on the paraquat (PQ)⁃ induced Parkinson's disease (PD) mouse model. Methods Totally 24 Kunming mice were randomly divided into control group, PQ group and PQ +liraglutide group, 8 mice in each group. PD model was established by intraperitoneal injection of PQ (10 mg/kg) for 5 consecutive days, and liraglutide (50 nmol/kg) was injected intraperitoneally for 7 consecutive days. The free⁃standing and locomotor activity of mice were measured by behavioral method. Immunofluorescence was used to observe the number of tyrosine hydroxylase (TH) and ionized calcium binding adaptor molecule 1 (Iba1) immunoreactive cells. Western blotting was used to detect the expression of protein TH, glial fibrillary acidic protein (GFAP), mitofusin⁃2 (Mfn2) and dynamin⁃related protein 1 (Drp1). Results The numbers of free⁃standing and locomotor activity numbers decreased significantly (P<0.01, P < 0.05) in PQ group compared with the control group, and the number of TH immunoreactive cells and TH protein expression in substantia nigra decreased significantly (P<0.01, P<0.01) compared with the control group, while the number of Iba1 immunoreactive cells and GFAP protein expression increased significantly (P<0.01, P<0.01) compared with the control group; the expression of Drp1 protein in PQ group was significantly higher than that in control group (P<0.05), while the Mfn2 protein expression decreased significantly (P<0.05) compared with the control group. After treatment with liraglutide, the number of TH positive cells in PQ + liraglutide group was significantly lower than that in control group (P<0.05); the numbers of free⁃standing and locomotor activity increased significantly (P<0.05, P<0.05) in PQ + liraglutide group compared with the PQ group, and the number of TH positive cells and expression of TH protein in PQ + liraglutide group were significantly higher than that in PQ group (P<0.01, P< 0.01); while the number of Iba1 positive cells and GFAP protein expression decreased significantly (P<0.01, P<0.05) compared with the PQ group; the Drp1 protein expression decreased significantly (P<0.01) compared with the PQ group, while the expression of Mfn2 protein in PQ + liraglutide group was significantly higher than that in PQ group (P<0.01). Conclusion Liraglutide has neuroprotective effect by reducing neuroinflammation in substantia nigra, regulating mitochondrial fusion and fission.


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