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Bing C, Mengjuan A, Xinyu M, Chixin Z, Xinyao T, Yan S, Zhi L. Efflux pump inhibitor chlorpromazine effectively increases the susceptibility of Escherichia coli to antimicrobial peptide Brevinin-2CE. Future Microbiol 2024. [PMID: 38683168 DOI: 10.2217/fmb-2023-0272] [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] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/01/2024] Open
Abstract
Aim: The response of E. coli ATCC8739 to Brevinin-2CE (B2CE) was evaluated as a strategy to prevent the development of antimicrobial peptide (AMP)-resistant bacteria. Methods: Gene expression levels were detected by transcriptome sequencing and RT-PCR. Target genes were knocked out using CRISPR-Cas9. MIC was measured to evaluate strain resistance. Results: Expression of acrZ and sugE were increased with B2CE stimulation. ATCC8739ΔacrZ and ATCC8739ΔsugE showed twofold and fourfold increased sensitivity, respectively. The survival rate of ATCC8739 was reduced in the presence of B2CE/chlorpromazine (CPZ). Combinations of other AMPs with CPZ also showed antibacterial effects. Conclusion: The results indicate that combinations of AMPs/efflux pump inhibitors (EPIs) may be a potential approach to combat resistant bacteria.
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Affiliation(s)
- Cao Bing
- College of Life Sciences, Shaanxi Normal University, Xi'an, 710119, PR China
| | - An Mengjuan
- College of Life Sciences, Shaanxi Normal University, Xi'an, 710119, PR China
| | - Ma Xinyu
- College of Life Sciences, Shaanxi Normal University, Xi'an, 710119, PR China
| | - Zhu Chixin
- College of Life Sciences, Shaanxi Normal University, Xi'an, 710119, PR China
| | - Tan Xinyao
- College of Life Sciences, Shaanxi Normal University, Xi'an, 710119, PR China
| | - Sun Yan
- College of Life Sciences, Shaanxi Normal University, Xi'an, 710119, PR China
| | - Li Zhi
- College of Life Sciences, Shaanxi Normal University, Xi'an, 710119, PR China
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2
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Zhi L, Cheng C, Jing L, Zhi-Ping P, Lu Y, Yan T, Zhi-Gang W, Guo-Bing Y. Application of fluorocarbon nanoparticles of 131I-fulvestrant as a targeted radiation drug for endocrine therapy on human breast cancer. J Nanobiotechnology 2024; 22:107. [PMID: 38475902 DOI: 10.1186/s12951-024-02309-7] [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] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2023] [Accepted: 01/26/2024] [Indexed: 03/14/2024] Open
Abstract
BACKGROUND Breast cancer is the most prevalent malignant tumor among women, with hormone receptor-positive cases constituting 70%. Fulvestrant, an antagonist for these receptors, is utilized for advanced metastatic hormone receptor-positive breast cancer. Yet, its inhibitory effect on tumor cells is not strong, and it lacks direct cytotoxicity. Consequently, there's a significant challenge in preventing recurrence and metastasis once cancer cells develop resistance to fulvestrant. METHOD To address these challenges, we engineered tumor-targeting nanoparticles termed 131I-fulvestrant-ALA-PFP-FA-NPs. This involved labeling fulvestrant with 131I to create 131I-fulvestrant. Subsequently, we incorporated the 131I-fulvestrant and 5-aminolevulinic acid (ALA) into fluorocarbon nanoparticles with folate as the targeting agent. This design facilitates a tri-modal therapeutic approach-endocrine therapy, radiotherapy, and PDT for estrogen receptor-positive breast cancer. RESULTS Our in vivo and in vitro tests showed that the drug-laden nanoparticles effectively zeroed in on tumors. This targeting efficiency was corroborated using SPECT-CT imaging, confocal microscopy, and small animal fluorescence imaging. The 131I-fulvestrant-ALA-PFP-FA-NPs maintained stability and showcased potent antitumor capabilities due to the synergism of endocrine therapy, radiotherapy, and CR-PDT. Throughout the treatment duration, we detected no notable irregularities in hematological, biochemical, or histological evaluations. CONCLUSION We've pioneered a nanoparticle system loaded with radioactive isotope 131I, endocrine therapeutic agents, and a photosensitizer precursor. This system offers a combined modality of radiotherapy, endocrine treatment, and PDT for breast cancer.
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Affiliation(s)
- Li Zhi
- Department of Breast and Thyroid Surgery, the Second Affiliated Hospital of Chongqing Medical University, 74 Linjiang Road, Yuzhong District, Chongqing, 400010, People's Republic of China
| | - Chen Cheng
- Department of Breast and Thyroid Surgery, the Second Affiliated Hospital of Chongqing Medical University, 74 Linjiang Road, Yuzhong District, Chongqing, 400010, People's Republic of China
| | - Luo Jing
- Department of Pathology, the First Affiliated Hospital of Chongqing Medical University, Chongqing, 400010, People's Republic of China
| | - Peng Zhi-Ping
- Department of Nuclear Medicine Laboratory, Chongqing Medical University, Chongqing, 400010, People's Republic of China
| | - Yang Lu
- Department of Breast and Thyroid Surgery, the Second Affiliated Hospital of Chongqing Medical University, 74 Linjiang Road, Yuzhong District, Chongqing, 400010, People's Republic of China
| | - Tian Yan
- Department of Nuclear Medicine, the Second Affiliated Hospital of Chongqing Medical University, Chongqing, 400010, People's Republic of China
| | - Wang Zhi-Gang
- Department of Ultrasound Research Institute, the Second Affiliated Hospital of Chongqing Medical University, Chongqing, 400010, People's Republic of China
| | - Yin Guo-Bing
- Department of Breast and Thyroid Surgery, the Second Affiliated Hospital of Chongqing Medical University, 74 Linjiang Road, Yuzhong District, Chongqing, 400010, People's Republic of China.
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Zhi L, Chen Y, Lai KYN, Wert J, Li S, Wang X, Tang XC, Shameem M, Liu D. Lyophilization as an effective tool to develop AAV8 gene therapy products for refrigerated storage. Int J Pharm 2023; 648:123564. [PMID: 37914106 DOI: 10.1016/j.ijpharm.2023.123564] [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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2023] [Revised: 10/22/2023] [Accepted: 10/29/2023] [Indexed: 11/03/2023]
Abstract
Recombinant adeno-associated virus (rAAV) has emerged as the leading gene delivery platform for treatment of monogenic disorders. Currently, for clinical and commercial products, rAAVs are typically formulated and stored below -65 °C as frozen liquid. Their long-term storage is often far from ideal because it may result in shorter drug product (DP) shelf-life compared to recombinant protein-based biologics, and also presents challenges for supply chain and inventory management. Consequently, there is great interest in developing robust lyophilized AAV DPs that are stable at 2 to 8 °C. In this study, we evaluated formulation excipients required for stable lyophilized AAV8 products including buffers, salts, cryoprotectants/lyoprotectants, surfactants, and bulking agents, and optimized the concentrations and ratios between the excipients. This led to the identification of the lead formulation that demonstrated short-term in-solution stability at 25 °C and, upon lyophilization, sufficient long-term stability at 2 to 8 °C. Our study demonstrated that, in the presence of 110 mM salts, mannitol can serve as an effective bulking agent with the appropriate formulation and lyophilization process design, and the sucrose to mannitol ratio is critical to maintain the stability and cake appearance of the lyophilized AAV8 DP. Thorough characterization of the effect of formulation components on the properties and quality of the lyophilized DP led to an optimized AAV8 lyophilized DP. This approach could be applied to streamline the future development of lyophilized AAV gene therapy products with various target transgenes and capsid serotypes.
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Affiliation(s)
- Li Zhi
- Formulation Development, Regeneron Pharmaceuticals, Inc., 777 Old Saw Mill River Road, Tarrytown, NY 10591, USA.
| | - Yao Chen
- Formulation Development, Regeneron Pharmaceuticals, Inc., 777 Old Saw Mill River Road, Tarrytown, NY 10591, USA
| | - Kuan-Yu Nick Lai
- Formulation Development, Regeneron Pharmaceuticals, Inc., 777 Old Saw Mill River Road, Tarrytown, NY 10591, USA
| | - Jonathan Wert
- Formulation Development, Regeneron Pharmaceuticals, Inc., 777 Old Saw Mill River Road, Tarrytown, NY 10591, USA
| | - Shuai Li
- Formulation Development, Regeneron Pharmaceuticals, Inc., 777 Old Saw Mill River Road, Tarrytown, NY 10591, USA
| | - Xiaoyan Wang
- Formulation Development, Regeneron Pharmaceuticals, Inc., 777 Old Saw Mill River Road, Tarrytown, NY 10591, USA
| | - Xiaolin Charlie Tang
- Formulation Development, Regeneron Pharmaceuticals, Inc., 777 Old Saw Mill River Road, Tarrytown, NY 10591, USA
| | - Mohammed Shameem
- Formulation Development, Regeneron Pharmaceuticals, Inc., 777 Old Saw Mill River Road, Tarrytown, NY 10591, USA
| | - Dingjiang Liu
- Formulation Development, Regeneron Pharmaceuticals, Inc., 777 Old Saw Mill River Road, Tarrytown, NY 10591, USA.
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Tang YZ, Wang Q, Zhi L, Liu X, Le Y, Liao Q, Li B, Zhang W. Intraoperative dexmedetomidine use is associated with lower incidence of acute kidney injury after non-cardiac surgery. Ren Fail 2023; 45:2192285. [PMID: 36950854 PMCID: PMC10038018 DOI: 10.1080/0886022x.2023.2192285] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/24/2023] Open
Abstract
BACKGROUND Previous studies have shown that perioperative dexmedetomidine could reduce the incidence of postoperative AKI in cardiovascular surgery, however, its effectiveness in the non-cardiovascular surgery patient population has not been reported. The aim of this study was to investigate the effect of intraoperative dexmedetomidine on the incidence of postoperative AKI and postoperative ICU admissions in patients undergoing non-cardiovascular surgery. DESIGN AND SETTING A single-center retrospective cohort study obtained from the database of the Center for Anesthesia and Surgery, the Third Xiangya Hospital. PATIENTS Inpatients between 18 and 75 years of age who were admitted to our hospital for non-cardiovascular surgery from 2012 to 2019. RESULTS Overall 2391 patients who used dexmedetomidine intraoperatively were analyzed in comparison to 4552 patients who did not use dexmedetomidine after one-to-two matching. The two cohorts had similar baseline values and demographic characteristics. The incidence of AKI was lower in patients with intraoperative dexmedetomidine use than in the nonuse group (OR 0.60, p < .001). The rate of severe renal failure needing dialysis was also lower than in the nonuse group (β = -0.02, p < .05). After adjusting for confounding factors, the rate of AKI was still lower in the dexmedetomidine group. The rate of postoperative ICU admissions and in-hospital deaths were similar in the two groups (p > .05). CONCLUSION For non-cardiovascular surgery patient population, intraoperative use of dexmedetomidine was associated with a lower incidence and less severity of postoperative AKI. However, there was no significant correlation with postoperative ICU occupancy or in-hospital mortality. Further prospective RCTs are needed in the future.
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Affiliation(s)
- Yong-Zhong Tang
- Department of Anesthesiology of the Third Xiangya Hospital, Central South University, Changsha, China
| | - Qiong Wang
- Department of Cardiology of the Third Xiangya Hospital, Central South University, Changsha, China
| | - Li Zhi
- Department of Nephrology of the Third Xiangya Hospital, Central South University, Changsha, China
| | - Xing Liu
- Department of Anesthesiology of the Third Xiangya Hospital, Central South University, Changsha, China
| | - Yuan Le
- Department of Anesthesiology of the Third Xiangya Hospital, Central South University, Changsha, China
| | - Qin Liao
- Department of Anesthesiology of the Third Xiangya Hospital, Central South University, Changsha, China
| | - Bo Li
- Operation center of the Third Xiangya Hospital, Central South University, Changsha, China
| | - Wei Zhang
- Department of Nephrology of the Third Xiangya Hospital, Central South University, Changsha, China
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5
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Jing S, Jie W, Yongping M, Yan S, Zhi L. Genealogical Diversity of Endogenous Retrovirus in the Jawless Fish Genome. J Microbiol Biotechnol 2023; 33:1412-1419. [PMID: 37583082 DOI: 10.4014/jmb.2306.06028] [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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2023] [Revised: 07/18/2023] [Accepted: 07/19/2023] [Indexed: 08/17/2023]
Abstract
Retroviral integration into ancient vertebrate genomes left traces that can shed light on the early history of viruses. In this study, we explored the early evolution of retroviruses by isolating nine Spuma endogenous retroviruses (ERVs) and one Epsilon ERV from the genomes of Agnatha and Chondrichthyes. Phylogenetic analysis of protein sequences revealed a striking pattern of co-evolution between jawless fish ERV and their host, while shark ERV underwent ancient cross-class viral transmission with jawless fish, ray-finned fish, and amphibians. Nucleotide sequence analysis showed that jawless fish ERV emerged in the Palaeozoic period, relatively later than ray-finned fish ERV. Moreover, codon analysis suggested that the jawless fish ERV employed an infection strategy that mimics the host codon. The genealogical diversity of ERVs in the jawless fish genome highlights the importance of studying different viral species. Overall, our findings provide valuable insights into the evolution of retroviruses and their interactions with their hosts.
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Affiliation(s)
- Song Jing
- College of Life Sciences, Shaanxi Normal University, Xi'an 710062, P.R. China
- College of Chemistry and Biological Engineering, Hechi University, Hechi 546300, P.R. China
| | - Wei Jie
- College of Environment and Life Sciences, Weinan Normal University, Weinan 714099, P. R. China
| | - Ma Yongping
- College of Biological Sciences and Engineering, North Minzu University, Yinchuan 750021, P.R. China
| | - Sun Yan
- College of Life Sciences, Shaanxi Normal University, Xi'an 710062, P.R. China
| | - Li Zhi
- College of Life Sciences, Shaanxi Normal University, Xi'an 710062, P.R. China
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6
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Linlin W, Wanyu H, Yuting L, Huimin Q, Zhi L, Qinchen J, Tingting W, Fan W, Minghao P, Wei Z. Research on the mechanism of short video information interaction behavior of college students with psychological disorders based on grounded theory. BMC Public Health 2023; 23:2256. [PMID: 37974096 PMCID: PMC10652505 DOI: 10.1186/s12889-023-17211-4] [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] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2023] [Accepted: 11/11/2023] [Indexed: 11/19/2023] Open
Abstract
BACKGROUND The utilization of short videos by individuals often leads to the emergence of information exchange behavior. Previous studies have shown that certain students with psychological disorders exhibit addictive tendencies towards short video-related software. Therefore, it is essential to address the psychology and behavior of college students with psychological disorders while engaging with short videos. This study aims to explore the mechanism of short video information interaction behavior among college students with psychological disorders. METHODS We conducted semi-structured interviews with 30 college students afflicted by psychological disorders in a prefecture-level city in Henan Province, China from September to December 2022. Based on the Grounded theory, we encoded 30 text materials across three levels to explore the mechanism of short video information interaction behavior among college students with psychological disorders, and subsequently build a model framework. RESULTS The findings of this study suggest that college students with psychological disorders exhibit negative cognition tendencies that can lead to strongly negative emotions, excacerbated by a lack of social support. These adverse factors collectively drive the consumption of short video content in this demographic, providing a virtual environment where they can fulfill their unmet social needs. Therefore, the mechanism governing short video messages interaction among college students with psychological disorders encompasses negative cognitive tendencies, negative emotions, lack of social support, post-video-watching behaviors, and the gratification of social needs within the confines of a virtual environment. CONCLUSIONS This study comprehensively analyzes the motivation and complexity of college students with psychological disorders in short video interaction. Although short videos provide this group with some ways of self-expression and emotional support, they still have a negative impact on their physical and mental health. The short video interaction of college students with psychological disorders is affected by many factors, including their negative cognitive tendencies, negative emotions, lack of social support, post-video-watching behaviors, and the gratification of social needs within the confines of a virtual environment. These findings deepened our understanding to the mechanism of short video information interaction behavior among college students with psychological disorders, also provided us with guidance on facilitating the proper use of short video and maintaining the mental health. In future researches, researchers can discuss more about intervention measures to help this demographic cope with the challenges from short video interaction.
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Affiliation(s)
- Wang Linlin
- Medical College, Xinyang Normal University, 237 Nanhu Road, Xinyang City, 464000, Henan Province, China
| | - Huang Wanyu
- School of Public Health Wuhan University, Wuhan University, 115 Donghu Road, Wuhan City, 430071, Hubei Province, China
| | - Li Yuting
- Hangzhou Wickham International School, Hangzhou City, 311000, Zhejiang Province, China
| | - Qiao Huimin
- Yantai Automobile Engineering Professional College, Yantai City, 265500, Shandong Province, China
| | - Li Zhi
- Xinyang Central Hospital, Xinyang City, 464000, Henan Province, China
| | - Jiang Qinchen
- Medical College, Xinyang Normal University, 237 Nanhu Road, Xinyang City, 464000, Henan Province, China
| | - Wang Tingting
- Zhoukou Normal University, Zhoukou City, 466000, Henan Province, China
| | - Wang Fan
- School of Information Management, Wuhan University, Wuhan City, 430072, Hubei Province, China
| | - Pan Minghao
- Medical College, Xinyang Normal University, 237 Nanhu Road, Xinyang City, 464000, Henan Province, China.
- School of Public Health Wuhan University, Wuhan University, 115 Donghu Road, Wuhan City, 430071, Hubei Province, China.
| | - Zhu Wei
- Medical College, Xinyang Normal University, 237 Nanhu Road, Xinyang City, 464000, Henan Province, China.
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7
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Lai A, Yuan Z, Wang Z, Chen B, Zhi L, Huang Z, Zhang Y. Dietary Methionine Increased the Growth Performances and Immune Function of Partridge Shank Broilers after Challenged with Coccidia. Animals (Basel) 2023; 13:ani13040613. [PMID: 36830399 PMCID: PMC9951714 DOI: 10.3390/ani13040613] [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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2022] [Revised: 02/05/2023] [Accepted: 02/06/2023] [Indexed: 02/12/2023] Open
Abstract
The present study investigated the effects of methionine (Met) on growth, immune function, and antioxidant capacity in partridge shank broilers, which were treated with either an anticoccidial drug or a coccidia vaccine. Chickens were fed five graded levels of Met (0.33%, 0.39%, 0.45%, 0.51%, or 0.57%) for 21 days in combination with the drug or vaccine. The results revealed that an optimal level of Met supplementation (1) increased ADFI (average daily feed intake), ADG (average daily gain), and F/G values (feed-to-gain ratio), indicating improved production; (2) increased OPG levels (oocysts per gram feces), intestinal lesion scores, bursa of Fabricius and thymus indexes, and sIgA content; (3) improved GSH-Px activities, and increased content levels of T-protein, albumin, and urea nitrogen. In addition, birds in the anticoccidial drug group had higher final weights, higher ADFI and ADG values, as well as lower F/G values, compared with birds in the vaccine group, indicating that coccidia vaccine reduces the performance of broilers. In conclusion, we found that an optimal level of dietary Met improved the production of partridge shank broilers, and this result might be related to immune function and antioxidant capacity. Optimal levels of digestible Met in terms of production performance (ADG and F/G) and immune function (sIgA in ileum mucosa) in partridge shank broilers (1-21 days) were found to be 0.418, 0.451, and 0.451 of diet, respectively, when birds were given anticoccidial drug treatment, with corresponding figures of 0.444, 0.455, and 0.452% when the coccidia vaccine was administered.
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Affiliation(s)
- Anqiang Lai
- College of Animal Science, Xichang University, Xichang 615000, China
| | - Zehong Yuan
- Animal Nutrition Institute, Sichuan Agricultural University, Chengdu 611130, China
| | - Zhongcheng Wang
- College of Animal Science, Xichang University, Xichang 615000, China
| | - Binlong Chen
- College of Animal Science, Xichang University, Xichang 615000, China
| | - Li Zhi
- College of Animal Science, Xichang University, Xichang 615000, China
| | - Zhiqiu Huang
- College of Animal Science, Xichang University, Xichang 615000, China
| | - Yi Zhang
- College of Animal Science, Xichang University, Xichang 615000, China
- Correspondence:
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Zhi L, Li L, Han-Bing Q, Jia-Qiang W, Ji-Chang D, Zhi D. PIRAP: Comprehensive Analysis of Individual Influence of Suspect in Criminal Networks by Information Entropy. INT J COOP INF SYST 2022. [DOI: 10.1142/s0218843022500046] [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: 12/24/2022]
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9
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Zhou C, A. Xiong, Fang J, Li X, Fan Y, Zhuang W, Xie Q, Ma Z, Kang M, Xu T, Xu M, Zhi L, Liu Q, Wang N. 1022P A phase II study of KN046 (a bispecific anti-PD-L1/CTLA-4) in patients with metastatic non-small cell lung cancer (NSCLC) who failed first line treatment. Ann Oncol 2022. [DOI: 10.1016/j.annonc.2022.07.1148] [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: 11/01/2022] Open
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10
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Li Y, Chen L, Shao Y, Zhang M, Zhi L, Lu Y. The effect of apolipoprotein E gene polymorphism and Lp(a) levels on coronary artery disease with atrial fibrillation. J Int Med Res 2022; 50:3000605221109387. [PMID: 35850541 PMCID: PMC9310063 DOI: 10.1177/03000605221109387] [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] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022] Open
Abstract
Objective To explore the influence of apolipoprotein E (APOE)
genotypes and blood lipid metabolism on coronary artery disease (CAD) with
atrial fibrillation (AF). Methods Patients with suspected CAD were consecutively enrolled and divided into
groups with or without CAD and/or AF. Blood lipid levels and
APOE genotypes were determined and analysed for
associations with CAD and AF. Results A total of 2048 patients were included (400 patients without CAD or AF
[controls], 126 patients without CAD but with AF, 1294 patients with CAD
without AF, and 228 patients with CAD and AF). Age and lipoprotein (a)
(Lp[a]) levels were significantly higher in patients with CAD and AF versus
those with CAD without AF. Among patients with CAD, the E3/E3 genotype and
ε3 allele frequencies were significantly lower in patients with AF than in
those without AF, and the E4/E4 genotype and ε4 allele frequencies were
significantly increased. Multivariate logistic regression revealed that
increased Lp(a) levels and age were independent risk factors for AF in
patients with CAD. Conclusion Among patients with CAD, those with AF had increased age, ε4 frequencies and
Lp(a) levels. Age and Lp(a) levels may be independent risk factors for AF in
patients with CAD.
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Affiliation(s)
- Yong Li
- Department of Cardiology, Liangzhu Hospital, Yuhang District, Hangzhou, Zhejiang, China
| | - Lei Chen
- Department of Cardiology, the Affiliated Hospital of Xuzhou Medical University, Xuzhou, Jiangsu, China
| | - Yameng Shao
- Department of Cardiology, the Affiliated Hospital of Xuzhou Medical University, Xuzhou, Jiangsu, China
| | - Min Zhang
- Department of Cardiology, the Affiliated Hospital of Xuzhou Medical University, Xuzhou, Jiangsu, China
| | - Li Zhi
- Department of Cardiology, the Affiliated Hospital of Xuzhou Medical University, Xuzhou, Jiangsu, China
| | - Yuan Lu
- Department of Cardiology, the Affiliated Hospital of Xuzhou Medical University, Xuzhou, Jiangsu, China
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11
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Jie W, Rui-Fen Z, Zhong-Xiang H, Yan W, Wei-Na L, Yong-Ping M, Jing S, Jing-Yi C, Wan-Hong L, Xiao-Hua H, Zhi L, Yan S. Inhibition of cell proliferation by Tas of foamy viruses through cell cycle arrest or apoptosis underlines the different mechanisms of virus-host interactions. Virulence 2022; 13:342-354. [PMID: 35132916 PMCID: PMC8837258 DOI: 10.1080/21505594.2022.2029329] [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] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
Foamy viruses belong to the Spumaretrovirinae subfamily member of the Retroviridae family and produce nonpathogenic infection to hosts in the natural conditions. However, infections of foamy viruses can dramatically cause severe cytopathic effects in vitro. To date, the exact molecular mechanism has remained unclear which implied the tremendous importance of virus-host cell immune reactions. In this study, we found that the transactivator Tas in two foamy viruses isolated from Old World Monkey (OWM) induced obvious inhibition of cell proliferation via the upregulation of Foxo3a expression. It was mediated by the generation of ROS and the initiation of ER stress, and ultimately, the mitochondrial apoptosis pathway was triggered. Notably, PFV Tas contributed to the accumulation of G0/G1 phase cycle arrest induced by the activation of the p53 signaling pathway and the nuclear transportation of HDAC4 via upregulating PPM1E expression. Together, these results demonstrated the different survival strategies by which foamy virus can hijack host cell cytokines and regulate virus-host cell interactions.
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Affiliation(s)
- Wei Jie
- College of Life Sciences, Shaanxi Normal University, Xi'an, P. R. China
| | - Zhang Rui-Fen
- College of Life Sciences, Shaanxi Normal University, Xi'an, P. R. China
| | - Hu Zhong-Xiang
- College of Life Sciences, Shaanxi Normal University, Xi'an, P. R. China
| | - Wu Yan
- College of Life Sciences, Shaanxi Normal University, Xi'an, P. R. China
| | - Liu Wei-Na
- College of Life Sciences, Shaanxi Normal University, Xi'an, P. R. China
| | - Ma Yong-Ping
- College of Life Sciences, Shaanxi Normal University, Xi'an, P. R. China
| | - Song Jing
- College of Life Sciences, Shaanxi Normal University, Xi'an, P. R. China
| | - Chen Jing-Yi
- College of Life Sciences, Shaanxi Normal University, Xi'an, P. R. China
| | - Liu Wan-Hong
- School of Medicine, Wuhan University, Wuhan, P. R. China
| | - He Xiao-Hua
- School of Medicine, Wuhan University, Wuhan, P. R. China
| | - Li Zhi
- College of Life Sciences, Shaanxi Normal University, Xi'an, P. R. China
| | - Sun Yan
- College of Life Sciences, Shaanxi Normal University, Xi'an, P. R. China
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12
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Yun M, Yingzi L, Jie G, Guanxin L, Zimei Z, Zhen C, Zhi L, Yingjie N, Lunquan S, Tao C, Yuezhen D, Chengzhi Z. PPDPF Promotes the Progression and acts as an Antiapoptotic Protein in Non-Small Cell Lung Cancer. Int J Biol Sci 2022; 18:214-228. [PMID: 34975328 PMCID: PMC8692159 DOI: 10.7150/ijbs.65654] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [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: 08/03/2021] [Accepted: 10/20/2021] [Indexed: 02/07/2023] Open
Abstract
Resistance to radiotherapy is frequently observed in the clinic and leads to poor prognosis of non-small cell lung cancer (NSCLC). How to overcome resistance to radiotherapy is a challenge in the treatment of NSCLC. In this study, PPDPF was found to be upregulated in NSCLC tissues and cell lines, and its expression negatively correlated with the overall survival of patients with NSCLC. PPDPF promoted the growth, colony formation and invasion of lung cancer cells. Moreover, knockout of PPDPF inhibited tumorigenesis in the KL (KrasG12D; LKB1f/f) mouse model of lung cancer. Additionally, overexpression of PPDPF led to radioresistance in lung cancer cells, and knockdown of PPDPF sensitized lung cancer cells to radiotherapy. Mechanistically, PPDPF interacted with BABAM2 (an antiapoptotic protein) and blocked its ubiquitination by MDM2, thus stabilizing BABAM2 and promoting the radioresistance of lung cancer cells. Our present study suggested PPDPF as a therapeutic target in NSCLC.
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Affiliation(s)
- Mu Yun
- Department of Oncology, Xiangya Cancer Center, Xiangya Hospital, Central South University, Changsha 410008, China.,Key Laboratory of Molecular Radiation Oncology Hunan Province, Changsha 410008, China
| | - Li Yingzi
- State Key Laboratory of Respiratory Disease, National Clinical Research Center for Respiratory Disease, Guangzhou Institute of Respiratory Health, the First Affiliated Hospital of Guangzhou Medical University, Guangzhou 510120, China
| | - Gao Jie
- Department of Oncology, Xiangya Cancer Center, Xiangya Hospital, Central South University, Changsha 410008, China.,Key Laboratory of Molecular Radiation Oncology Hunan Province, Changsha 410008, China.,Hunan International Science and Technology Collaboration Base of Precision Medicine for Cancer, Changsha 410008, China.,Center for Molecular Imaging of Central South University, Xiangya Hospital, Changsha 410008, China
| | - Liu Guanxin
- State Key Laboratory of Respiratory Disease, National Clinical Research Center for Respiratory Disease, Guangzhou Institute of Respiratory Health, the First Affiliated Hospital of Guangzhou Medical University, Guangzhou 510120, China
| | - Zeng Zimei
- Department of Oncology, Xiangya Cancer Center, Xiangya Hospital, Central South University, Changsha 410008, China.,Key Laboratory of Molecular Radiation Oncology Hunan Province, Changsha 410008, China.,Hunan International Science and Technology Collaboration Base of Precision Medicine for Cancer, Changsha 410008, China.,Center for Molecular Imaging of Central South University, Xiangya Hospital, Changsha 410008, China
| | - Cao Zhen
- Department of Oncology, Xiangya Cancer Center, Xiangya Hospital, Central South University, Changsha 410008, China.,Key Laboratory of Molecular Radiation Oncology Hunan Province, Changsha 410008, China.,Hunan International Science and Technology Collaboration Base of Precision Medicine for Cancer, Changsha 410008, China.,Center for Molecular Imaging of Central South University, Xiangya Hospital, Changsha 410008, China
| | - Li Zhi
- Department of Oncology, Xiangya Cancer Center, Xiangya Hospital, Central South University, Changsha 410008, China.,Key Laboratory of Molecular Radiation Oncology Hunan Province, Changsha 410008, China.,Hunan International Science and Technology Collaboration Base of Precision Medicine for Cancer, Changsha 410008, China.,Center for Molecular Imaging of Central South University, Xiangya Hospital, Changsha 410008, China
| | - Nie Yingjie
- NHC Key Laboratory of Pulmonary Immune-related Diseases, Guizhou Provincial People's Hospital; Guiyang 550000, China
| | - Sun Lunquan
- Department of Oncology, Xiangya Cancer Center, Xiangya Hospital, Central South University, Changsha 410008, China.,Key Laboratory of Molecular Radiation Oncology Hunan Province, Changsha 410008, China.,Hunan International Science and Technology Collaboration Base of Precision Medicine for Cancer, Changsha 410008, China.,Center for Molecular Imaging of Central South University, Xiangya Hospital, Changsha 410008, China
| | - Chen Tao
- State Key Laboratory of Respiratory Disease, National Clinical Research Center for Respiratory Disease, Guangzhou Institute of Respiratory Health, the First Affiliated Hospital of Guangzhou Medical University, Guangzhou 510120, China
| | - Deng Yuezhen
- Department of Oncology, Xiangya Cancer Center, Xiangya Hospital, Central South University, Changsha 410008, China.,Key Laboratory of Molecular Radiation Oncology Hunan Province, Changsha 410008, China.,Hunan International Science and Technology Collaboration Base of Precision Medicine for Cancer, Changsha 410008, China.,Center for Molecular Imaging of Central South University, Xiangya Hospital, Changsha 410008, China
| | - Zhou Chengzhi
- State Key Laboratory of Respiratory Disease, National Clinical Research Center for Respiratory Disease, Guangzhou Institute of Respiratory Health, the First Affiliated Hospital of Guangzhou Medical University, Guangzhou 510120, China
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13
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Cheng X, Bo C, Meiling L, Zhi L. Effects of the Treatment of Dong Medicine Five-Flavour Anti-Diarrhoea Soup Combined with Melalazine on Serum Complement C3, C4, Interleukin-23 and Interleukin-17 in Patients with Ulcerative Colitis. Indian J Pharm Sci 2022. [DOI: 10.36468/pharmaceutical-sciences.spl.523] [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: 11/22/2022] Open
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14
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Jiang P, Zhi L, Ren L, Hu X, Xiao RP. Evaluation of AMPK activity in mice by measuring activator-induced glucose uptake. STAR Protoc 2021; 2:100496. [PMID: 34337440 PMCID: PMC8313746 DOI: 10.1016/j.xpro.2021.100496] [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] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022] Open
Abstract
The AMP-activated protein kinase (AMPK) is a principal nutrient sensor and a master regulator of cellular energy homeostasis. Once activated, AMPK induces glucose uptake, which leads to a transient decrease in blood glucose level and can be used as an indicator of AMPK activity. Here, we present a protocol accessing AMPK activity in mice by measuring glucose uptake induced by AMPK activators, MK8722 and A769662. This protocol can be used to evaluate AMPK signaling in vivo under various pathophysiological conditions. For complete details on the use and execution of this protocol, please refer to Jiang et al. (2021). Measurement of blood glucose level in mice using glucometer Inducing glucose uptake in mice by administration of AMPK activators Evaluation of AMPK activity in vivo via measuring AMPK activator-induced glucose
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Affiliation(s)
- Peng Jiang
- State Key Laboratory of Membrane Biology, Institute of Molecular Medicine, College of Future Technology, Peking University, Beijing 100871, China
| | - Li Zhi
- Peking-Tsinghua Center for Life Sciences, Academy for Advanced Interdisciplinary Studies, Peking University, Beijing 100871, China
| | - Lejiao Ren
- Peking-Tsinghua Center for Life Sciences, Academy for Advanced Interdisciplinary Studies, Peking University, Beijing 100871, China
| | - Xinli Hu
- State Key Laboratory of Membrane Biology, Institute of Molecular Medicine, College of Future Technology, Peking University, Beijing 100871, China
| | - Rui-Ping Xiao
- State Key Laboratory of Membrane Biology, Institute of Molecular Medicine, College of Future Technology, Peking University, Beijing 100871, China.,Peking-Tsinghua Center for Life Sciences, Academy for Advanced Interdisciplinary Studies, Peking University, Beijing 100871, China
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15
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Fang W, Yang Y, Huang Y, Li X, Huang S, Wu J, Li Y, Chang B, Hu S, Yang S, Xu J, Van H, Zhi L, Xia Y, Li L, Yang F, Xia Y, Xu T, Zhang L. 1293P KN046 (an anti-PD-L1/CTLA-4 bispecific antibody) in combination with platinum doublet chemotherapy as first-line (1L) treatment in patients with advanced NSCLC harboring resistant oncogenic driver alterations. Ann Oncol 2021. [DOI: 10.1016/j.annonc.2021.08.1895] [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: 10/20/2022] Open
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16
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ting HY, Weizhao L, Xiangbin Y, Shuqing C, Kai G, Yiwan S, Zhishan L, Meiling X, Zhi L. Rational Route of Delivery Mesenchymal Stem Cell Therapy for Acute Myocardial Infarction (AMI) and Chronic Ischemic Cardiomyopathy (ICM): a Systematic Review and Meta-analysis.. [DOI: 10.21203/rs.3.rs-564725/v1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
Abstract
Background: Recent studies suggest that mesenchymal stem cells (MSCs) may have therapeutic potential for both acute myocardial infarction (AMI) and chronic ischemic cardiomyopathy (ICM). However, the rational route of delivery MSC therapy has not reached consensus. We performed a systematic review of clinical trials evaluating the rational route of delivery MSCs for AMI or ICM.Methods: Databases including Embase, PubMed, and Cochrane Central Register of Controlled Trials were searched from inception to February 2021. Studies that examined the use of MSCs in adults with AMI or ICM were eligible. Bias of included studies were assessed by the Cochrane risk of bias tool. The primary outcome was cardiac function assessed by left ventricular ejection fraction (LVEF) and the secondary outcome was cardiac remodeling which was assessed by left ventricular end-systolic volume (LVESV) and left ventricular end-diastolic volume (LVEDV), we also explored the safety between different routes. Results: 18 studies fulfilled eligibility criteria, which consist of 11 studies evaluated AMI and 7 studies evaluated ICM. In AMI group, only when patients received intracoronary infusion(IC) can improve LVEF (SMD 0.88, 95% CI 0.64-1.12), and there was a decrease in LVEDV&LVESV when administered IC or intravenous infusion (IV). While in ICM group, no significant difference in LVEF was noted no matter administered which route, and transendocardial stem cell injection(TESI) seems to be effective in decreasing LVEDV&LVESV. Safety appeared no difference between different routes. Conclusions: Results from our systematic review suggest that intracoronary infusion seems more effective for MSC’s delivery in AMI group, while in ICM group, TESI better.
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Affiliation(s)
| | - Lin Weizhao
- Second Affiliated Hospital of Shantou University Medical College
| | | | | | - Gao Kai
- Shantou University Medical College
| | - Su Yiwan
- Shantou University Medical College
| | | | | | - Li Zhi
- Second Affiliated Hospital of Shantou University Medical College
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17
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Jiang P, Ren L, Zhi L, Yu Z, Lv F, Xu F, Peng W, Bai X, Cheng K, Quan L, Zhang X, Wang X, Zhang Y, Yang D, Hu X, Xiao RP. Negative regulation of AMPK signaling by high glucose via E3 ubiquitin ligase MG53. Mol Cell 2021; 81:629-637.e5. [PMID: 33400924 DOI: 10.1016/j.molcel.2020.12.008] [Citation(s) in RCA: 56] [Impact Index Per Article: 18.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2020] [Revised: 11/30/2020] [Accepted: 12/03/2020] [Indexed: 02/06/2023]
Abstract
As a master regulator of metabolism, AMP-activated protein kinase (AMPK) is activated upon energy and glucose shortage but suppressed upon overnutrition. Exaggerated negative regulation of AMPK signaling by nutrient overload plays a crucial role in metabolic diseases. However, the mechanism underlying the negative regulation is poorly understood. Here, we demonstrate that high glucose represses AMPK signaling via MG53 (also called TRIM72) E3-ubiquitin-ligase-mediated AMPKα degradation and deactivation. Specifically, high-glucose-stimulated reactive oxygen species (ROS) signals AKT to phosphorylate AMPKα at S485/491, which facilitates the recruitment of MG53 and the subsequent ubiquitination and degradation of AMPKα. In addition, high glucose deactivates AMPK by ROS-dependent suppression of phosphorylation of AMPKα at T172. These findings not only delineate the mechanism underlying the impairment of AMPK signaling in overnutrition-related diseases but also highlight the significance of keeping the yin-yang balance of AMPK signaling in the maintenance of metabolic homeostasis.
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Affiliation(s)
- Peng Jiang
- State Key Laboratory of Membrane Biology, Institute of Molecular Medicine, College of Future Technology, Peking University, Beijing 100871, China
| | - Lejiao Ren
- Peking-Tsinghua Center for Life Sciences, Peking University, Beijing 100871, China; Academy for Advanced Interdisciplinary Studies, Peking University, Beijing 100871, China
| | - Li Zhi
- Peking-Tsinghua Center for Life Sciences, Peking University, Beijing 100871, China; Academy for Advanced Interdisciplinary Studies, Peking University, Beijing 100871, China
| | - Zhong Yu
- State Key Laboratory of Membrane Biology, Institute of Molecular Medicine, College of Future Technology, Peking University, Beijing 100871, China
| | - Fengxiang Lv
- State Key Laboratory of Membrane Biology, Institute of Molecular Medicine, College of Future Technology, Peking University, Beijing 100871, China
| | - Fengli Xu
- Peking-Tsinghua Center for Life Sciences, Peking University, Beijing 100871, China; Academy for Advanced Interdisciplinary Studies, Peking University, Beijing 100871, China
| | - Wei Peng
- State Key Laboratory of Membrane Biology, Institute of Molecular Medicine, College of Future Technology, Peking University, Beijing 100871, China
| | - Xiaoyu Bai
- Morningside Laboratory for Chemical Biology, Department of Chemistry, The University of Hong Kong, Hong Kong, China
| | - Kunlun Cheng
- State Key Laboratory of Membrane Biology, Institute of Molecular Medicine, College of Future Technology, Peking University, Beijing 100871, China
| | - Li Quan
- State Key Laboratory of Membrane Biology, Institute of Molecular Medicine, College of Future Technology, Peking University, Beijing 100871, China
| | - Xiuqin Zhang
- State Key Laboratory of Membrane Biology, Institute of Molecular Medicine, College of Future Technology, Peking University, Beijing 100871, China
| | - Xianhua Wang
- State Key Laboratory of Membrane Biology, Institute of Molecular Medicine, College of Future Technology, Peking University, Beijing 100871, China
| | - Yan Zhang
- State Key Laboratory of Membrane Biology, Institute of Molecular Medicine, College of Future Technology, Peking University, Beijing 100871, China
| | - Dan Yang
- Morningside Laboratory for Chemical Biology, Department of Chemistry, The University of Hong Kong, Hong Kong, China
| | - Xinli Hu
- State Key Laboratory of Membrane Biology, Institute of Molecular Medicine, College of Future Technology, Peking University, Beijing 100871, China.
| | - Rui-Ping Xiao
- State Key Laboratory of Membrane Biology, Institute of Molecular Medicine, College of Future Technology, Peking University, Beijing 100871, China; Peking-Tsinghua Center for Life Sciences, Peking University, Beijing 100871, China; Academy for Advanced Interdisciplinary Studies, Peking University, Beijing 100871, China; Beijing City Key Laboratory of Cardiometabolic Molecular Medicine, Peking University, Beijing 100871, China; PKU-Nanjing Institute of Translational Medicine, Nanjing 211800, China.
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18
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Ruoyu L, Weimin M, Zhi L. Updating strategy is independent of memory representation used in spatial updating. J Vis 2020. [DOI: 10.1167/jov.20.11.228] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
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19
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Keyun X, Yujie Z, Zhi L. Visible persistence plays an important role in the preview effect. J Vis 2020. [DOI: 10.1167/jov.20.11.370] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
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20
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Fen Z, Yu C, Hongmei W, Jian L, Zhi L. A mitotically active SMARCB1-deficient myoepithelioma-like tumour of the vulvar region with probable benign behaviour. Pathology 2019; 52:278-281. [PMID: 31889550 DOI: 10.1016/j.pathol.2019.11.003] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2019] [Revised: 11/10/2019] [Accepted: 11/17/2019] [Indexed: 11/28/2022]
Affiliation(s)
- Zhang Fen
- Department of Pathology, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, China
| | - Chen Yu
- Department of Pathology, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, China
| | - Wu Hongmei
- Department of Pathology, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, China
| | - Liu Jian
- Department of Pathology, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, China
| | - Li Zhi
- Department of Pathology, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, China.
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21
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Zhi L, Rouse EJ, Reissman T. Passive Stiffness Reduction in Human Ankle Joint Mechanical Impedance When Exposed to Externally Imposed Movement. IEEE Int Conf Rehabil Robot 2019; 2019:127-131. [PMID: 31374618 DOI: 10.1109/icorr.2019.8779490] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Abstract
Exoskeleton design is based on achieving representative torques for both active and passive joint mechanics for a given task. The latter has been typically estimated for static postures during relaxed muscle activity. However, some studies have shown that differences in the estimates during voluntary motion versus isometric postures have resulted in lower impedance estimates during active muscle activity. The objective of this study was to determine if the estimates for the passive joint impedance of the human ankle exhibited the same reduction during relaxed muscle states with an externally imposed movement over static posture estimates. System identification techniques were used to analyze the passive joint impedance as a second-order model with inertia, damping, and stiffness. The experimental results showed little differences for the inertia and damping coefficients; however, a 10 to 34% reduction in the passive stiffness estimate was observed during movement when compared to static posture estimates. It is postulated that the 22% increase in angular velocity of the perturbations due to the superimposed externally imposed motion may be a contributing factor to these statistically different estimates. This reduced passive stiffness yields possibly new insights into muscle mechanics and applications to exoskeleton design. With lower torque and power estimates for passive resistance during imposed movement, reductions in motor sizing and inertial effects could lead to improved overall performance.
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Li Z, Wu Z, Maekawa T, Cheung WD, Webber K, Zhi L, O’Brian K, Howie B, Zhang C, Kondragunta B, Marshall T, Gerner F. Analytical Technology Used in the Latest Development of Gene Therapy Candidates. ACTA ACUST UNITED AC 2019. [DOI: 10.18609/cgti.2019.059] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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23
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Hui D, Zhi L. Multi-valued bisimulation quotienting algorithms1. IFS 2019. [DOI: 10.3233/jifs-172075] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Affiliation(s)
- Deng Hui
- School of Electro-Mechanical Engineering, Xidian University, Xi’an, P.R. China
| | - Li Zhi
- School of Electro-Mechanical Engineering, Xidian University, Xi’an, P.R. China
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Zhang R, Li R, Feng Q, Zhi L, Li Z, Xu YO, Lin Y. Expression profiles and associations of FGF1 and FGF10 with intramuscular fat in Tibetan chicken. Br Poult Sci 2018; 59:613-617. [PMID: 30259763 DOI: 10.1080/00071668.2018.1507018] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- R. Zhang
- College of Life Sciences, Hubei Normal University, Huangshi, China
| | - R. Li
- Reproductive and Endocrine Laboratory, Chengdu Woman-Child Central Hospital, Chengdu, China
| | - Q. Feng
- Department of Otorhinolaryngology Head and Neck Surgery, Hospital of Guangxi Medical University, Nanning, China
| | - L. Zhi
- College of Life Sciences, Hubei Normal University, Huangshi, China
| | - Z. Li
- College of Life Science and Technology, Southwest University for Nationalities, Chengdu, China
| | - Y.-O. Xu
- College of Life Science and Technology, Southwest University for Nationalities, Chengdu, China
| | - Y. Lin
- College of Life Science and Technology, Southwest University for Nationalities, Chengdu, China
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25
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Cai X, Yi X, Zhang Y, Zhang D, Zhi L, Liu H. Genetic susceptibility of postmenopausal osteoporosis on sulfide quinone reductase-like gene. Osteoporos Int 2018; 29:2041-2047. [PMID: 29855663 DOI: 10.1007/s00198-018-4575-9] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/05/2018] [Accepted: 05/14/2018] [Indexed: 10/14/2022]
Abstract
UNLABELLED Postmenopausal osteoporosis is a major health problem with important genetic factors in postmenopausal women. We explored the relationship between SQRDL and osteoporosis in a cohort of 1006 patients and 2027 controls from Han Chinese postmenopausal women. Our evidence supported the significant role of SQRDL in the etiology of postmenopausal osteoporosis. INTRODUCTION Postmenopausal osteoporosis (PMOP) is a metabolic bone disease leading to progressive bone loss and the deterioration of the bone microarchitecture. The sulfide-quinone reductase-like protein is an important enzyme regulating the cellular hydrogen sulfide levels, and it can regulate bone metabolism balance in postmenopausal women. In this study, we aimed to investigate whether SQRDL is associated with susceptibility to PMOP in the Han Chinese population. METHODS A total of 3033 postmenopausal women, comprised of 1006 cases and 2027 controls, were recruited in the study. Twenty-two SNPs were selected for genotyping to evaluate the association of SQRDL gene with BMD and PMOP. Association analyses in both single marker and haplotype levels were performed for PMOP. Bone mineral density (BMD) was also utilized as a quantitative phenotype in further analyses. Bioinformatics tools were applied to predict the functional consequences of targeted polymorphisms in SQRDL. RESULTS The SNP rs1044032 (P = 6.42 × 10-5, OR = 0.80) was identified as significantly associated with PMOP. Three SNPs (rs1044032, rs2028589, and rs12913151) were found to be significantly associated with BMD. Although limited functional significance can be obtained for these polymorphisms, significant hits for association with PMOP were found. Moreover, further association analyses with BMD identified three SNPs with significantly independent effects. CONCLUSIONS Our evidence supported the significant role of SQRDL in the etiology of PMOP and suggest that it may be a genetic risk factor for BMD and osteoporosis in Han Chinese postmenopausal women.
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Affiliation(s)
- X Cai
- Department of Orthopaedic Surgery, The Second Affiliated Hospital of Xi'an Jiaotong University, No.157, Xiwu Road, Xi'an, 710004, Shaanxi, China
| | - X Yi
- Department of Pediatrics, The Second Affiliated Hospital of Xi'an Jiaotong University, No.157, Xiwu Road, Xi'an, 710004, Shaanxi, China
| | - Y Zhang
- Department of Orthopaedic Surgery, The Second Affiliated Hospital of Xi'an Jiaotong University, No.157, Xiwu Road, Xi'an, 710004, Shaanxi, China
| | - D Zhang
- Department of Orthopedic, The First Affiliated Hospital of Xi'an Jiaotong University, No.277, Yanta West Road, Xi'an, 710061, Shaanxi, China
| | - L Zhi
- Department of Joint Surgery, Honghui Hospital, Xi'an Jiaotong University Health Science Center, No.555, Youyi East Road, Xi'an, 710054, Shaanxi, China
| | - H Liu
- Department of Trauma, Honghui Hospital, Xi'an Jiaotong University Health Science Center, No.555, Youyi East Road, Xi'an, 710054, Shaanxi, China.
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26
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Zhang R, Li R, Zhi L, Xu Y, Lin Y, Chen L. Expression profiles and associations of muscle regulatory factor (MRF) genes with growth traits in Tibetan chickens. Br Poult Sci 2017; 59:63-67. [PMID: 29019255 DOI: 10.1080/00071668.2017.1390212] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
1. Muscle regulatory factors (MRFs), including Myf5, Myf6 (MRF4/herculin), MyoD and MyoG (myogenin), play pivotal roles in muscle growth and development. Therefore, they are considered as candidate genes for meat production traits in livestock and poultry. 2. The objective of this study was to investigate the expression profiles of these genes in skeletal muscles (breast muscle and thigh muscle) at 5 developmental stages (0, 81, 119, 154 and 210 d old) of Tibetan chickens. Relationships between expressions of these genes and growth and carcass traits in these chickens were also estimated. 3. The expression profiles showed that in the breast muscle of both genders the mRNA levels of MRF genes were highest on the day of hatching, then declined significantly from d 0 to d 81, and fluctuated in a certain range from d 81 to d 210. However, the expression of Myf5, Myf6 and MyoG reached peaks in the thigh muscle in 118-d-old females and for MyoD in 154-d-old females, whereas the mRNA amounts of MRF genes in the male thigh muscle were in a narrow range from d 0 to d 210. 4. Correlation analysis suggested that gender had an influence on the relationships of MRF gene expression with growth traits. The RNA levels of MyoD, Myf5 genes in male breast muscle were positively related with several growth traits of Tibetan chickens (P < 0.05). No correlation was found between expressions of MRF genes and carcass traits of the chickens. 5. These results will provide a base for functional studies of MRF genes on growth and development of Tibetan chickens, as well as selective breeding and resource exploration.
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Affiliation(s)
- R Zhang
- a College of Life Sciences , Hubei Normal University , Huangshi , China
| | - R Li
- b Reproductive and endocrine laboratory , Chengdu Woman-Child Central Hospital , Chengdu , China
| | - L Zhi
- a College of Life Sciences , Hubei Normal University , Huangshi , China
| | - Y Xu
- c College of Life Science and Technology , Southwest University for Nationalities , Chengdu , China
| | - Y Lin
- c College of Life Science and Technology , Southwest University for Nationalities , Chengdu , China
| | - L Chen
- c College of Life Science and Technology , Southwest University for Nationalities , Chengdu , China
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28
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Zhang R, Lin Y, Zhi L, Liao H, Zuo L, Li Z, Xu Y. Expression profiles and associations of adiponectin and adiponectin receptors with intramuscular fat in Tibetan chicken. Br Poult Sci 2017; 58:151-157. [DOI: 10.1080/00071668.2016.1268252] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Affiliation(s)
- R. Zhang
- College of Life Sciences, Hubei Normal University, Huangshi, China
| | - Y. Lin
- College of Life Science and Technology, Southwest University for Nationalities, Chengdu, China
| | - L. Zhi
- College of Life Sciences, Hubei Normal University, Huangshi, China
| | - H. Liao
- College of Life Science and Technology, Southwest University for Nationalities, Chengdu, China
| | - L. Zuo
- College of Life Science and Technology, Southwest University for Nationalities, Chengdu, China
| | - Z. Li
- College of Life Science and Technology, Southwest University for Nationalities, Chengdu, China
| | - Y. Xu
- College of Life Science and Technology, Southwest University for Nationalities, Chengdu, China
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Duanjing C, Yiyuan L, Jun-ying L, Tian L, Zhi L, Haiyang Y. [A precise tooth preparation technique assisted with quantitive bur and microscope]. Hua Xi Kou Qiang Yi Xue Za Zhi 2016; 34:325-327. [PMID: 27526463 PMCID: PMC7030830 DOI: 10.7518/hxkq.2016.03.022] [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] [Received: 01/16/2016] [Revised: 03/21/2016] [Indexed: 06/06/2023]
Abstract
Although traditional tooth preparation techniques (e.g., depth-groove-guided and index-guided techniques) are designed to improve preparation precision, the results are unsatisfactory because of the lack of proper estimating tools. This study proposed a novel technique, in which relevant details for preparation of drilling holes are provided and corresponding depth is estimated using a quantitive bur under a microscope. This technique offers a viable option for precise tooth preparation.
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Zhi L, Yuzhang Z, Tianliang H, Hisatome I, Yamamoto T, Jidong C. High Uric Acid Induces Insulin Resistance in Cardiomyocytes In Vitro and In Vivo. PLoS One 2016; 11:e0147737. [PMID: 26836389 PMCID: PMC4737875 DOI: 10.1371/journal.pone.0147737] [Citation(s) in RCA: 62] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2015] [Accepted: 01/07/2016] [Indexed: 02/05/2023] Open
Abstract
Clinical studies have shown hyperuricemia strongly associated with insulin resistance as well as cardiovascular disease. Direct evidence of how high uric acid (HUA) affects insulin resistance in cardiomyocytes, but the pathological mechanism of HUA associated with cardiovascular disease remains to be clarified. We aimed to examine the effect of HUA on insulin sensitivity in cardiomyocytes and on insulin resistance in hyperuricemic mouse model. We exposed primary cardiomyocytes and a rat cardiomyocyte cell line, H9c2 cardiomyocytes, to HUA, then quantified glucose uptake with a fluorescent glucose analog, 2-NBDG, after insulin challenge and detected reactive oxygen species (ROS) production. Western blot analysis was used to examine the levels of insulin receptor (IR), phosphorylated insulin receptor substrate 1 (IRS1, Ser307) and phospho-Akt (Ser473). We monitored the impact of HUA on insulin resistance, insulin signaling and IR, phospho-IRS1 (Ser307) and phospho-Akt levels in myocardial tissue of an acute hyperuricemia mouse model established by potassium oxonate treatment. HUA inhibited insulin-induced glucose uptake in H9c2 and primary cardiomyocytes. It increased ROS production; pretreatment with N-acetyl-L-cysteine (NAC), a ROS scavenger, reversed HUA-inhibited glucose uptake induced by insulin. HUA exposure directly increased the phospho-IRS1 (Ser307) response to insulin and inhibited that of phospho-Akt in H9C2 cardiomyocytes, which was blocked by NAC. Furthermore, the acute hyperuricemic mice model showed impaired glucose tolerance and insulin tolerance accompanied by increased phospho-IRS1 (Ser307) and inhibited phospho-Akt response to insulin in myocardial tissues. HUA inhibited insulin signaling and induced insulin resistance in cardiomyocytes in vitro and in vivo, which is a novel potential mechanism of hyperuricemic-related cardiovascular disease.
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Affiliation(s)
- Li Zhi
- Department of Internal Medicine, The First Affiliated Hospital of Shantou University Medical College, Shantou, Guangdong, China
- Department of Internal Medicine, The Second Affiliated Hospital of Shantou University Medical College, Shantou, Guangdong, China
- Department of Internal Medicine, Chaozhou People’s Hospital, Chaozhou, Guangdong, China
| | - Zhu Yuzhang
- Department of Internal Medicine, The Second Hospital of Jiaxing City, Jiaxing, Zhejiang, China
| | - Huang Tianliang
- Department of Internal Medicine, The First Affiliated Hospital of Shantou University Medical College, Shantou, Guangdong, China
| | - Ichiro Hisatome
- Division of Regenerative Medicine and Therapeutics, Institute of Regenerative Medicine and Biofunction, Graduate School of Medical Sciences, Tottori University, Yonago, Japan
| | - Tetsuya Yamamoto
- Department of Internal Medicine, Hyogo College of Medicine, Nishinomiya, Hyogo, Japan
| | - Cheng Jidong
- Department of Internal Medicine, The First Affiliated Hospital of Shantou University Medical College, Shantou, Guangdong, China
- * E-mail:
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Zhi L, Qiaojun L, Yanbo Z. Development and validation of patient-reported outcomes scale for hypertension. Int J Qual Health Care 2015; 27:369-76. [DOI: 10.1093/intqhc/mzv060] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/15/2015] [Indexed: 12/22/2022] Open
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Zhi L, TeRonde S, Meyer S, Arling ML, Register JC, Zhao ZY, Jones TJ, Anand A. Effect of Agrobacterium strain and plasmid copy number on transformation frequency, event quality and usable event quality in an elite maize cultivar. Plant Cell Rep 2015; 34:745-54. [PMID: 25558819 DOI: 10.1007/s00299-014-1734-0] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/24/2014] [Revised: 12/17/2014] [Accepted: 12/19/2014] [Indexed: 05/26/2023]
Abstract
Improving Agrobacterium -mediated transformation frequency and event quality by increasing binary plasmid copy number and appropriate strain selection is reported in an elite maize cultivar. Agrobacterium-mediated maize transformation is a well-established method for gene testing and for introducing useful traits in a commercial biotech product pipeline. To develop a highly efficient maize transformation system, we investigated the effect of two Agrobacterium tumefaciens strains and three different binary plasmid origins of replication (ORI) on transformation frequency, vector backbone insertion, single copy event frequency (percentage of events which are single copy for all transgenes), quality event frequency (percentage of single copy events with no vector backbone insertions among all events generated; QE) and usable event quality frequency (transformation frequency times QE frequency; UE) in an elite maize cultivar PHR03. Agrobacterium strain AGL0 gave a higher transformation frequency, but a reduced QE frequency than LBA4404 due to a higher number of vector backbone insertions. Higher binary plasmid copy number positively correlated with transformation frequency and usable event recovery. The above findings can be exploited to develop high-throughput transformation protocols, improve the quality of transgenic events in maize and other plants.
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Affiliation(s)
- Li Zhi
- DuPont Agricultural Biotechnology, DuPont-Pioneer, 8305 NW 62nd Avenue, P. O. Box 7060, Johnston, IA, 50131, USA
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Weiyang G, Anyuan W, Jian D, Zhijie L, Xinglong C, Zhi L, Xiaoyang L. [The classification and surgical treatment of the terminal phalanx of congenital thumb duplication ]. Zhonghua Zheng Xing Wai Ke Za Zhi 2014; 30:330-334. [PMID: 25522481] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
OBJECTIVE To study the classification and individualized treatment of the terminal phalanx of thumb duplication. METHODS From Apr. 2003 to Dec. 2012, 76 patients with 77 involved thumbs duplication at the level which is distal to the interphalangeal joint were retrospectively studied. Based on the morphology (the nail width and the thumb circumference) and the deviation of the thumb, we classified the terminal phalanx of thumb duplication into 5 types as Type A (no bony connection called floating thumb), Type B(asymmetry and no deviation), Type C(asymmetry and deviation), Type D (symmetry and no deviation) and Type E(symmetry and deviation). Different surgical procedures were selected according to different types. Simple excision of the smaller thumb was adopted for Type A case. Removement of the smaller thumb (usually the radial) and of the collateral ligament of the interphalangeal joint were selected for Type B. Removement of the smaller thumb (usually the radial) and reconstruction of the collateral ligament of the interphalangeal joint, as well as corrective osteotomies at the neck of the proximal phalanx were performed for Type C. The modified Bilhaut-Cloquet procedure with reconstruction of the collateral ligament of the interphalangeal joint were adopted in Type D. The classical Bilhaut-Cloquet procedure, or the modified Bilhaut-Cloquet procedure with reconstruction of the collateral ligament of the interphalangeal joint and corrective osteotomies at the neck of the proximal phalanx were performed in Type E. The results were assessed by an evaluation form for thumb duplication by the Japanese Society for Surgery of the Hand. RESULTS According to our new classification standard, there were 3 cases with Type A duplicated thumbs, 36 with Type B, 13 with Type C, 15 with Type D, 10 with Type E. All the 76 patients underwent the individualized surgical treatment. The patients were followed up for 6-60 months. According to the evaluation form, excellent results were achieved in 66 thumbs, good in 9 thumbs and fair in 2 thumbs. CONCLUSIONS The new classification could comprehensively describe the clinical features of the terminal phalanx of congenital thumb duplication. Individualized therapy, including basic and repeated surgical procedure could be adopted for each type with satisfactory results.
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Kimura T, Kitada S, Uramoto H, Zhi L, Kawatsu Y, Takeda T, Horie S, Nabeshima A, Noguchi H, Sasaguri Y, Izumi H, Kohno K, Yamada S. The combination of strong immunohistochemical mtTFA expression and a high survivin index predicts a shorter disease-specific survival in pancreatic ductal adenocarcinoma. Histol Histopathol 2014; 30:193-204. [PMID: 25108120 DOI: 10.14670/hh-30.193] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Mitochondrial transcription factor A (mtTFA) plays a crucial role in both the transcription and maintenance of mitochondrial DNA. A high expression of mtTFA has been demonstrated in several solid tumors, and is closely associated with cancer cell survival/apoptosis and growth. However, its expression pattern in pancreatic ductal adenocarcinoma (PAC) remains to be elucidated. Additionally, our groups have recently revealed that a subset of apoptosis-related genes is strongly regulated by mtTFA, and that two putative mtTFA binding sites are present in the promoter region of the survivin gene, which is a member of the inhibitor-of-apoptosis protein family. We therefore investigated the correlation of the immunohistochemical mtTFA expression and the survivin index with various clinicopathological variables and the prognosis, using 70 paraffin-embedded tumor samples from patients with surgically-resected PAC. The mtTFA expression or survivin index was considered to be strong or high when ≥30% or 10% of the PAC cells showed positive staining, respectively. Strong mtTFA expression and/or a high survivin index was revealed to have a significant relationship to a pathologically high tumor grading and advanced tumor stage. Moreover, mtTFA showed significantly high co-expression with survivin. Univariate and multivariate analyses demonstrated that both the strong mtTFA expression and high survivin index groups had significantly shorter survival rates, especially within the first two years postoperatively. The combination of strong mtTFA expression and a high survivin index may predict a poor prognosis in patients with PAC, and these new biomarkers might offer useful information for the early clinical management.
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Affiliation(s)
- Tomoko Kimura
- Department of Health Policy and Management, Institute of Industrial Ecological Sciences, University of Occupational and Environmental Health, Kitakyushu, Japan
| | - Shohei Kitada
- Departments of Pathology and Cell Biology, and Urology, School of Medicine, University of Occupational and Environmental Health, Kitakyushu, Japan
| | - Hidetaka Uramoto
- Second Department of Surgery, School of Medicine, University of Occupational and Environmental Health, Kitakyushu, Japan
| | - Li Zhi
- Department of Pathology and Cell Biology, School of Medicine, University of Occupational and Environmental Health, Kitakyushu, Japan, and Department of Medical Oncology, The First Hospital of China Medical University, Shenyang, People's Republic of China
| | - Yuichiro Kawatsu
- Department of Health Policy and Management, Institute of Industrial Ecological Sciences, University of Occupational and Environmental Health, Kitakyushu, Japan
| | - Toru Takeda
- Department of Health Policy and Management, Institute of Industrial Ecological Sciences, University of Occupational and Environmental Health, Kitakyushu, Japan
| | - Seichi Horie
- Department of Health Policy and Management, Institute of Industrial Ecological Sciences, University of Occupational and Environmental Health, Kitakyushu, Japan
| | - Atsunori Nabeshima
- Department of Pathology and Cell Biology, School of Medicine, University of Occupational and Environmental Health, Kitakyushu, Japan
| | - Hirotsugu Noguchi
- Department of Pathology and Cell Biology, School of Medicine, University of Occupational and Environmental Health, Kitakyushu, Japan
| | - Yasuyuki Sasaguri
- Department of Pathology and Cell Biology, School of Medicine, University of Occupational and Environmental Health, Kitakyushu, and Laboratory of Pathology, Fukuoka Wajiro Hospital, Fukuoka, Japan
| | - Hiroto Izumi
- Department of Occupational Pneumology, School of Medicine, University of Occupational and Environmental Health, Kitakyushu, Japan
| | - Kimitoshi Kohno
- The President Laboratory, School of Medicine, University of Occupational and Environmental Health, Kitakyushu, Japan
| | - Sohsuke Yamada
- Department of Pathology and Cell Biology, School of Medicine, University of Occupational and Environmental Health, Kitakyushu, Japan.
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Li W, Chen M, Li W, You C, Wei J, Zhi L. Synthesis of air stable silver nanoparticles and their application as conductive ink on paper based flexible electronics. ACTA ACUST UNITED AC 2014. [DOI: 10.1179/1432891714z.000000000867] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/31/2022]
Affiliation(s)
- W. Li
- School of Materials Science and EngineeringTianjin University, Tianjin 300072, China
| | - M. Chen
- School of Materials Science and EngineeringTianjin University of Technology, Tianjin 300384, China
| | - W. Li
- School of Materials Science and EngineeringTianjin University of Technology, Tianjin 300384, China
| | - C. You
- School of Materials Science and EngineeringTianjin University of Technology, Tianjin 300384, China
| | - J. Wei
- School of Materials Science and EngineeringTianjin University of Technology, Tianjin 300384, China
| | - L. Zhi
- School of Materials Science and EngineeringTianjin University of Technology, Tianjin 300384, China
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Takeda T, Izumi H, Kitada S, Uramoto H, Tasaki T, Zhi L, Guo X, Kawatsu Y, Kimura T, Horie S, Nabeshima A, Noguchi H, Wang KY, Sasaguri Y, Kohno K, Yamada S. The combination of a nuclear HMGB1-positive and HMGB2-negative expression is potentially associated with a shortened survival in patients with pancreatic ductal adenocarcinoma. Tumour Biol 2014; 35:10555-69. [PMID: 25060178 DOI: 10.1007/s13277-014-2328-8] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2014] [Accepted: 07/07/2014] [Indexed: 12/21/2022] Open
Abstract
High-mobility group box (HMGB) proteins are ubiquitous, abundant nuclear non-histone chromosomal proteins that play a critical role in binding to distorted DNA structures and subsequently regulating DNA transcription, replication, repair, and recombination. Both HMGB1 and HMGB2 exhibit a high expression in several human cancers and are closely associated with tumor progression and a poor prognosis. However, the expression patterns of these molecules in pancreatic ductal adenocarcinoma (PDAC) remain to be elucidated. As most cases of postoperative relapse of PDAC occur within the first 2 years, the clinical significance of accurate biomarkers is needed. Therefore, we investigated the correlation between the immunohistochemical HMGB1 and HMGB2 expression and the clinicopathological characteristics and prognosis using 62 paraffin-embedded tumor samples obtained from patients with surgically resected PDAC. The HMGB1/2 expression was considered to be positive when 10 % or more of the cancer cells showed positive nuclear, not merely cytoplasmic, staining. Consequently, the expression of HMGB1/2 was observed in 54 (87.1 %) and 31 (50.0 %) patients, respectively. Unexpectedly, a positive HMGB1 expression was found to have a significantly close relationship with a negative HMGB2 expression. The univariate and multivariate analyses demonstrated that the patients with a HMGB1+ and HMGB2- status had markedly lower disease-specific survival rates, especially within the first 2 years postoperatively, whereas those with a HMGB1+ status alone did not. Therefore, the combination of a HMGB1+ and HMGB2- expression potentially predicts a poor prognosis in patients with PDAC, and these new biomarkers may be useful parameters for clinical management in the early postoperative phase.
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Affiliation(s)
- Toru Takeda
- Department of Health Policy and Management, Institute of Industrial Ecological Sciences, University of Occupational and Environmental Health, Kitakyushu, 807-8555, Japan
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Zhi L, Dong H, Tao W, Fuquan G, Fangyu N, Yongfu X, Xiaozhi W. [The exploration of the role of angiopoietin-2 in pulmonary edema induced by EV71 infection]. Zhonghua Wei Zhong Bing Ji Jiu Yi Xue 2014; 26:89-93. [PMID: 24696919] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
OBJECTIVE To observe the clinic character of pulmonary edema (PE) induced by enterovirus 71 (EV71) and the change in angiopoietin-2 (Ang-2), and to explore the correlation between Ang-2 and PE. METHODS Twenty consecutive infants with PE induced by EV71 admitted to intensive care unit (ICU) of Binzhou Medical College Affiliated Hospital from May 2011 to September 2013 were prospectively enrolled in PE group; 20 infants with similar age infected by EV71 without PE and hospitalized in ICU were enrolled as non-PR group; and 20 similar age infants suffering from selective inguinal hernia operation were served as control group. Data of infants with or without PE were collected including vital signs, complete blood count, blood biochemistry tests, chest X-ray and cerebrospinal fluid at ICU admission. Pulmonary edema liquid and serum were collected from infants suffered from severe PE by tracheal intubation. Total protein, albumin and Ang-2 [enzyme linked immunosorbent assay (ELISA)] were determined and those of pulmonary edema liquid/serum (P/S) ratio were calculated. RESULTS Nine infants with PE died, and all of infants without PE survived. Body temperature, heart rate, blood pressure, white blood cell count (WBC), blood sugar and MD isoenzyme of creatine kinase (CK-MD) in EV71 infection infants were higher than those in controls, and albumin and oxygenation index (PaO(2)/FiO(2)) were lowered. Heart rate, blood sugar and WBC of infants with PE were significantly higher than those of infants without PE [heart rate (bmp): 181 ± 31 vs. 146 ± 19, t=3.397, P=0.003; blood sugar (mmol/L: 14.9 ± 9.8 vs. 6.3 ± 1.5, t=2.793, P=0.012; WBC (x10(9)/L): 22.1 ± 9.8 vs. 10.2+3.6, t=3.579, P=0.002], and serum albumin and PaO(2)/FiO(2) of infants with PE were significantly lower [albumin (g/L): 33.6+5.9 vs. 42.7 ± 2.9, t=3.258, P=0.004; Pa(2)/FiO(2) (mmHg, 1mmHg=0.133 kPa): 142 ± 76 vs. 396 ± 39, t=3.927, P=0.000]. Cerebrospinal fluid pressure was significantly elevated in both non-PE and PE groups, the number of nucleated cells were normal or mildly to moderately elevated, most were mononuclear cells, and protein content were normal. Ang-2 levels of infants with PE [236.17 (167.63, 366.65) ng/L] was higher than that of control infants [19.67 (8.72, 33.68) ng/L] and infants without PE [23.46 (13.28, 46.77) ng/L, both T=210, both P=0.000]. Pulmonary edema liquid was collected from 8 infants with severe PE. Total protein, albumin, lactate dehydrogenase (LDH) and Ang-2 in severe PE infants were elevated. Total protein of P/S ratio was 0.67, 1.33, 1.12, 0.72, 0.84, 0.73, 1.09, 1.24, albumin of P/S ratio was 0.72, 1.64, 0.84, 0.87, 1.06, 0.92, 1.12, 1.48, LDH of P/S 0.92, 1.03, 1.17, respectively. CONCLUSIONS Pulmonary edema liquid of infants with PE induced by EV71 infection os rich of protein, and Ang-2 level rises in serum and pulmonary edema liquid. Ang-2 may involve in pulmonary vascular leak and developments of PE.
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Yongneng Z, Yamamoto T, Hisatome Y, Youfeng L, Weijie C, Ning S, Bozhi C, Tianliang H, Yuzhang Z, Zhi L, Xubin J, Jidong C. GW24-e1177 Uric acid induces oxidative stress and growth inhibition by activating adenosine monophosphate-activated protein kinase and extracellular signal-regulated kinase signal pathways in pancreatic β cells. Heart 2013. [DOI: 10.1136/heartjnl-2013-304613.226] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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Zhi L, Dong L, Kong D, Sun B, Sun Q, Grundy D, Zhang G, Rong W. Curcumin acts via transient receptor potential vanilloid-1 receptors to inhibit gut nociception and reverses visceral hyperalgesia. Neurogastroenterol Motil 2013; 25:e429-40. [PMID: 23638900 DOI: 10.1111/nmo.12145] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/23/2012] [Accepted: 03/28/2013] [Indexed: 12/24/2022]
Abstract
BACKGROUND An antinociceptive effect has been reported for curcumin in animal models and in humans, but the molecular mechanisms of curcumin's effect remain undefined. In this study, we explored the possibility that curcumin inhibit visceral nociception via antagonizing the transient receptor potential vanilloid-1 (TRPV1) receptor. METHODS The effects of curcumin were explored using two experimental models: viscero-motor response (VMR) to colorectal distension (CRD) in rats and jejunal afferent firing in the ex vivo mouse jejunum preparations [TRPV1 knockout (KO) and wild-type mice, naive and trinitrobenzene sulfonic acid (TNBS)-treated Kunming mice]. In addition, capsaicin-induced calcium transients and whole-cell currents were examined in acutely dissociated dorsal root ganglia (DRG) neurons. KEY RESULTS In the anesthetized rat, curcumin (4 mg kg(-1) min(-1) for 3 min) caused a marked and rapidly reversible inhibition of CRD-induced VMRs. In the mouse jejunum, the mesenteric afferent nerve response to ramp distension was attenuated by curcumin (3, 10 μmol L(-1) ), an effect that was significantly reduced in TRPV1 KO mice compared with wild-type (WT) controls. Moreover, in WT mice, curcumin (1-30 μmol L(-1) ) was found to inhibit the afferent responses to capsaicin in a concentration-dependent manner. Trinitrobenzene sulfonic acid-induced hypersensitivity of jejunal afferents was also attenuated by curcumin. Curcumin potently inhibited capsaicin-induced rise in intracellular calcium and inward currents in mouse or rat DRG neurons. CONCLUSIONS & INFERENCES Our results provide strong evidence that curcumin inhibit visceral nociception via antagonizing TRPV1 and may be a promising lead for the treatment of functional gastrointestinal diseases.
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Affiliation(s)
- L Zhi
- Department of Physiology, Shanghai Jiaotong University School of Medicine, Shanghai, China
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Chi X, Zhi L, Vostal JG. Human platelets pathogen reduced with riboflavin and ultraviolet light do not cause acute lung injury in a two-event SCID mouse model. Transfusion 2013; 54:74-85. [DOI: 10.1111/trf.12242] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2013] [Accepted: 04/02/2013] [Indexed: 01/27/2023]
Affiliation(s)
- Xuan Chi
- Laboratory of Cellular Hematology; Division of Hematology; OBRR; Center for Biologics Evaluation and Research; Food and Drug Administration; Rockville Maryland
| | - Li Zhi
- Laboratory of Cellular Hematology; Division of Hematology; OBRR; Center for Biologics Evaluation and Research; Food and Drug Administration; Rockville Maryland
| | - Jaroslav G. Vostal
- Laboratory of Cellular Hematology; Division of Hematology; OBRR; Center for Biologics Evaluation and Research; Food and Drug Administration; Rockville Maryland
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Zhi L, Hong Y, Ying L. ASSA13-14-20 Survey on Blood Pressure, Blood Sugar, Blood Lipids Level of Changsha Civil Servants. Heart 2013. [DOI: 10.1136/heartjnl-2013-303992.197] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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Zhi L, Hong Y, Xiaohong T, Ying L, Ningning J. ASSA13-14-7 Retrospective Analysis on Relevant Clinical Characteristics of 406 Cases of Kidney Transplant Recipients. Heart 2013. [DOI: 10.1136/heartjnl-2013-303992.184] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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Yingjian L, Junming H, Min C, Chenyue L, Dachao Z, Yuanhua H, Zhi L. A health food high-peptide meal alleviates immunosuppression induced by hydrocortisone and cyclophosphamide in mice. Food Funct 2013; 4:1352-9. [DOI: 10.1039/c3fo30230j] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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Wang R, Natarajan K, Revilleza MJR, Boyd LF, Zhi L, Zhao H, Robinson H, Margulies DH. Structural basis of mouse cytomegalovirus m152/gp40 interaction with RAE1γ reveals a paradigm for MHC/MHC interaction in immune evasion. Proc Natl Acad Sci U S A 2012; 109:E3578-87. [PMID: 23169621 PMCID: PMC3529088 DOI: 10.1073/pnas.1214088109] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
Natural killer (NK) cells are activated by engagement of the NKG2D receptor with ligands on target cells stressed by infection or tumorigenesis. Several human and rodent cytomegalovirus (CMV) immunoevasins down-regulate surface expression of NKG2D ligands. The mouse CMV MHC class I (MHC-I)-like m152/gp40 glycoprotein down-regulates retinoic acid early inducible-1 (RAE1) NKG2D ligands as well as host MHC-I. Here we describe the crystal structure of an m152/RAE1γ complex and confirm the intermolecular contacts by mutagenesis. m152 interacts in a pincer-like manner with two sites on the α1 and α2 helices of RAE1 reminiscent of the NKG2D interaction with RAE1. This structure of an MHC-I-like immunoevasin/MHC-I-like ligand complex explains the binding specificity of m152 for RAE1 and allows modeling of the interaction of m152 with classical MHC-I and of related viral immunoevasins.
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Affiliation(s)
- Rui Wang
- Molecular Biology Section, Laboratory of Immunology, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD 20892
| | - Kannan Natarajan
- Molecular Biology Section, Laboratory of Immunology, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD 20892
| | - Maria Jamela R. Revilleza
- Molecular Biology Section, Laboratory of Immunology, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD 20892
| | - Lisa F. Boyd
- Molecular Biology Section, Laboratory of Immunology, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD 20892
| | - Li Zhi
- Molecular Biology Section, Laboratory of Immunology, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD 20892
| | - Huaying Zhao
- Dynamics of Macromolecular Assembly Section, Laboratory of Cellular Imaging and Macromolecular Biophysics, National Institute of Biomolecular Imaging and Bioengineering, National Institutes of Health, Bethesda, MD 20892; and
| | - Howard Robinson
- National Synchrotron Light Source, Brookhaven National Laboratories, Upton, NY 11973
| | - David H. Margulies
- Molecular Biology Section, Laboratory of Immunology, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD 20892
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Jiahai M, Xueyan W, Yonggang X, Jianhong Y, Qunhui H, Zhi L, Juan D, Xiuliang J. Spectral Entropy Monitoring Reduces Anesthetic Dosage for Patients Undergoing Off-Pump Coronary Artery Bypass Graft Surgery. J Cardiothorac Vasc Anesth 2012; 26:818-21. [DOI: 10.1053/j.jvca.2012.01.028] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/20/2011] [Indexed: 11/11/2022]
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Chi X, Zhi L, Gelderman MP, Vostal JG. Host platelets and, in part, neutrophils mediate lung accumulation of transfused UVB-irradiated human platelets in a mouse model of acute lung injury. PLoS One 2012; 7:e44829. [PMID: 23028636 PMCID: PMC3446987 DOI: 10.1371/journal.pone.0044829] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2012] [Accepted: 08/07/2012] [Indexed: 11/26/2022] Open
Abstract
We previously reported that ultraviolet light B (UVB)-treated human platelets (hPLTs) can cause acute lung injury (ALI) in a two-event SCID mouse model in which the predisposing event was Lipopolysaccharide (LPS) injection and the second event was infusion of UVB-treated hPLTs. To delineate contributions of host mouse platelets (mPLTs) and neutrophils in the pathogenesis of ALI in this mouse model, we depleted mPLTs or neutrophils and measured hPLT accumulation in the lung. We also assessed lung injury by protein content in bronchoalveolar lavage fluid (BALF). LPS injection followed by infusion of UVB-treated hPLTs resulted in sequestration of both mPLTs and hPLTs in the lungs of SCID mice, although the numbers of neutrophils in the lung were not significantly different from the control group. Depletion of mouse neutrophils caused only a mild reduction in UVB-hPLTs accumulation in the lungs and a mild reduction in protein content in BALF. In comparison, depletion of mPLTs almost completely abolished hPLTs accumulation in the lung and significantly reduced protein content in BALF. UVB-treated hPLTs bound to host mPLTs, but did not bind to neutrophils in the lung. Aspirin treatment of hPLTs in vitro abolished hPLT accumulation in the lung and protected mice from lung injury. Our data indicate that host mPLTs accumulated in the lungs in response to an inflammatory challenge and subsequently mediated the attachment of transfused UVB-hPLTs. Neutrophils also recruited a small percentage of platelets to the lung. These findings may help develop therapeutic strategies for ALI which could potentially result from transfusion of UV illuminated platelets.
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Affiliation(s)
| | | | | | - Jaroslav G. Vostal
- Laboratory of Cellular Hematology, Division of Hematology, OBRR, Center for Biologics Evaluation and Research, Food and Drug Administration, Rockville, Maryland, United States of America
- * E-mail:
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Zhi L, Chi X, Gelderman MP, Vostal JG. Activation of platelet protein kinase C by ultraviolet light B mediates platelet transfusion-related acute lung injury in a two-event animal model. Transfusion 2012; 53:722-31. [DOI: 10.1111/j.1537-2995.2012.03811.x] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
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Zhi L, Jianling L, Nan Z, Zhangli L. Empirical study on the human‐nature view of Chinese enterprise managers. Chinese Management Studies 2011. [DOI: 10.1108/17506141111183451] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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49
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Zhi L, Qiao XY, Qi H, Yanling W, Rongkun L. Additive effects of obstructive sleep apnoea syndrome and hypertension on the inflammatory reaction. Heart 2011. [DOI: 10.1136/heartjnl-2011-300867.580] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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Yu H, Pi-Hua F, Yuan W, Xiao-Feng L, Jun L, Zhi L, Sen L, Zhang S. Prediction of sudden cardiac death in patients after acute myocardial infarction using T-wave alternans: a prospective study. J Electrocardiol 2011; 45:60-5. [PMID: 21920535 DOI: 10.1016/j.jelectrocard.2011.07.015] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2011] [Indexed: 01/28/2023]
Abstract
BACKGROUND AND PURPOSE We assessed the value of T-wave alternans (TWA) in prediction of sudden cardiac death (SCD) in patients with acute myocardial infarction (AMI). METHODS Consecutive patients (N = 227) were enrolled and were monitored with 24-hour ambulatory electrocardiogram within 1 to 15 days after AMI. T-wave alternans was identified by a modified moving average (MMA) algorithm computer software. The primary end point was SCD or lethal ventricular arrhythmia. We analyzed the hazard ratios (HRs) using the previously determined 47 μV TWA cutpoint. RESULTS During the 16 ± 7-month follow-up, 10 (4.4%) patients died suddenly. T-wave alternans (≥47 μV) predicted SCD (HR, 17.78 [95% confidence interval, 3.75-84.31]; P < .0001). Moreover, patients with 5 or more TWA episodes (≥47 μV) were at higher risk for SCD (HR, 20.75 [95% confidence interval, 5.77-74.57]; P < .0001). CONCLUSIONS T-wave alternans (≥47 μV) monitored at 1 to 15 days after AMI-predicted heightened risk of SCD. Prediction is improved when the frequency of TWA episodes (≥47 μV) is analyzed.
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Affiliation(s)
- Hou Yu
- Clinical Electrophysiology Laboratory and Arrhythmia Center, Fuwai Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Xicheng State, Beijing, China
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