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Gan XY, Li QW, Yuan Q. [Research progress of methylation modification in tooth root development]. Zhonghua Kou Qiang Yi Xue Za Zhi 2024; 59:503-507. [PMID: 38637005 DOI: 10.3760/cma.j.cn112144-20240115-00023] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Subscribe] [Scholar Register] [Indexed: 04/20/2024]
Abstract
Methylation modification is one of the most common epigenetic modification regulation in eukaryotes, including histone methylation, DNA methylation, RNA methylation, etc., which plays an important regulatory role in physiological processes and pathologic occurrence and development. Tooth root development is carried out by both epithelial and mesenchymal cells and involves a variety of cell-molecular interactions. In recent years, a large number of studies have found that methylation plays a key role in the regulation of tooth root development and expands the mechanism network of tooth root development. In this paper, we review the role and mechanism of methylation modification during root development.
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Affiliation(s)
- X Y Gan
- Department of Oral Implantology, West China Hospital of Stomatology, Sichuan University & State Key Laboratory of Oral Diseases & National Center for Stomatology & National Clinical Research Center for Oral Diseases, Chengdu 610041, China
| | - Q W Li
- Department of Oral Implantology, West China Hospital of Stomatology, Sichuan University & State Key Laboratory of Oral Diseases & National Center for Stomatology & National Clinical Research Center for Oral Diseases, Chengdu 610041, China
| | - Q Yuan
- Department of Oral Implantology, West China Hospital of Stomatology, Sichuan University & State Key Laboratory of Oral Diseases & National Center for Stomatology & National Clinical Research Center for Oral Diseases, Chengdu 610041, China
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Huang SQ, Cao KX, Wang CL, Chen PL, Chen YX, Zhang YT, Yu SH, Bai ZX, Guo S, Liao MX, Li QW, Zhang GQ, He J, Xu YM. Decreasing mitochondrial fission ameliorates HIF-1α-dependent pathological retinal angiogenesis. Acta Pharmacol Sin 2024:10.1038/s41401-024-01262-3. [PMID: 38565961 DOI: 10.1038/s41401-024-01262-3] [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: 08/27/2023] [Accepted: 03/04/2024] [Indexed: 04/04/2024] Open
Abstract
Angiogenesis plays a critical role in many pathological processes, including irreversible blindness in eye diseases such as retinopathy of prematurity. Endothelial mitochondria are dynamic organelles that undergo constant fusion and fission and are critical signalling hubs that modulate angiogenesis by coordinating reactive oxygen species (ROS) production and calcium signalling and metabolism. In this study, we investigated the role of mitochondrial dynamics in pathological retinal angiogenesis. We showed that treatment with vascular endothelial growth factor (VEGF; 20 ng/ml) induced mitochondrial fission in HUVECs by promoting the phosphorylation of dynamin-related protein 1 (DRP1). DRP1 knockdown or pretreatment with the DRP1 inhibitor Mdivi-1 (5 μM) blocked VEGF-induced cell migration, proliferation, and tube formation in HUVECs. We demonstrated that VEGF treatment increased mitochondrial ROS production in HUVECs, which was necessary for HIF-1α-dependent glycolysis, as well as proliferation, migration, and tube formation, and the inhibition of mitochondrial fission prevented VEGF-induced mitochondrial ROS production. In an oxygen-induced retinopathy (OIR) mouse model, we found that active DRP1 was highly expressed in endothelial cells in neovascular tufts. The administration of Mdivi-1 (10 mg·kg-1·d-1, i.p.) for three days from postnatal day (P) 13 until P15 significantly alleviated pathological angiogenesis in the retina. Our results suggest that targeting mitochondrial fission may be a therapeutic strategy for proliferative retinopathies and other diseases that are dependent on pathological angiogenesis.
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Affiliation(s)
- Shu-Qi Huang
- School of Basic Medical Sciences; The Sixth Affiliated Hospital of Guangzhou Medical University, Qingyuan People's Hospital, Guangzhou Medical University, Guangzhou, 511436, China
| | - Kai-Xiang Cao
- School of Basic Medical Sciences; The Sixth Affiliated Hospital of Guangzhou Medical University, Qingyuan People's Hospital, Guangzhou Medical University, Guangzhou, 511436, China
| | - Cai-Ling Wang
- School of Basic Medical Sciences; The Sixth Affiliated Hospital of Guangzhou Medical University, Qingyuan People's Hospital, Guangzhou Medical University, Guangzhou, 511436, China
| | - Pei-Ling Chen
- School of Basic Medical Sciences; The Sixth Affiliated Hospital of Guangzhou Medical University, Qingyuan People's Hospital, Guangzhou Medical University, Guangzhou, 511436, China
| | - Yi-Xin Chen
- School of Basic Medical Sciences; The Sixth Affiliated Hospital of Guangzhou Medical University, Qingyuan People's Hospital, Guangzhou Medical University, Guangzhou, 511436, China
| | - Yu-Ting Zhang
- School of Basic Medical Sciences; The Sixth Affiliated Hospital of Guangzhou Medical University, Qingyuan People's Hospital, Guangzhou Medical University, Guangzhou, 511436, China
| | - Shi-Hui Yu
- School of Basic Medical Sciences; The Sixth Affiliated Hospital of Guangzhou Medical University, Qingyuan People's Hospital, Guangzhou Medical University, Guangzhou, 511436, China
| | - Zai-Xia Bai
- School of Basic Medical Sciences; The Sixth Affiliated Hospital of Guangzhou Medical University, Qingyuan People's Hospital, Guangzhou Medical University, Guangzhou, 511436, China
| | - Shuai Guo
- School of Basic Medical Sciences; The Sixth Affiliated Hospital of Guangzhou Medical University, Qingyuan People's Hospital, Guangzhou Medical University, Guangzhou, 511436, China
| | - Mu-Xi Liao
- Department of Rehabilitation Center, The First Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, 510080, China
| | - Qiao-Wen Li
- The Sixth Affiliated Hospital of Guangzhou Medical University, Qingyuan People's Hospital, Guangzhou Medical University, Guangzhou, 511520, China
| | - Guo-Qi Zhang
- The Sixth Affiliated Hospital of Guangzhou Medical University, Qingyuan People's Hospital, Guangzhou Medical University, Guangzhou, 511520, China.
| | - Jun He
- Department of Rehabilitation Center, The First Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, 510080, China.
| | - Yi-Ming Xu
- School of Basic Medical Sciences; The Sixth Affiliated Hospital of Guangzhou Medical University, Qingyuan People's Hospital, Guangzhou Medical University, Guangzhou, 511436, China.
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Li ST, Lin Y, Ou BX, Liu DE, Li QW, Nong YJ, Wu SM, Qiu ZX, Huang Z. [Effects of comprehensive treatment of infected wounds in patients with iatrogenic Cushing 's syndrome]. Zhonghua Shao Shang Yu Chuang Mian Xiu Fu Za Zhi 2022; 38:512-519. [PMID: 35764576 DOI: 10.3760/cma.j.cn501225-20220329-00106] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Objective: To investigate the characteristics and comprehensive treatment of infected wounds in patients with iatrogenic Cushing's syndrome. Methods: A retrospective observational study was conducted. From May 2012 to December 2021, the data of 19 patients with iatrogenic Cushing's syndrome discharged from the Department of Burns and Plastic Surgery of the First Affiliated Hospital of Guangxi Medical University were collected, including 8 males and 11 females, aged 28-71 (56±11) years, with 12 cases of infected acute wounds and 7 cases of infected chronic wounds. The lesions were located in the limbs, perianal, and sacrococcygeal regions, with original infection ranging from 9 cm×5 cm to 85 cm×45 cm. After admission, the patients were performed with multidisciplinary assisted diagnosis and treatment, and the wounds were treated with debridement and vacuum sealing drainage, according to the size, severity of infection, suture tension, and bone and tendon tissue exposure of wounds, direct suture or autologous skin and/or artificial dermis and/or autologous tissue flap transplantation was selected for wound repair. The levels of cortisol and adrenocorticotropic hormone (ACTH) of patients at 8:00, 16:00, and 24:00 within 24 h after admission were counted. After admission, the number of operations, wound repair methods, and wound and skin/flap donor site healing of patients were recorded. During follow-up, the wounds were observed for recurrent infection. Results: The cortisol levels of 16 patients at 8:00, 16:00, and 24:00 within 24 h after admission were (130±54), (80±16), and (109±39) nmol/L, respectively, and ACTH levels were (7.2±2.8), (4.1±1.8), and (6.0±3.0) pg/mL, respectively; and the other 3 patients had no such statistical results. After admission, the number of surgical operation for patients was 3.4±0.9. The following methods were used for wound repair, including direct suturing in 4 cases and autologous skin and/or artificial dermis grafting in 9 cases, of which 2 cases underwent stage Ⅱ autologous skin grafting after artificial dermis grafting in stage Ⅰ, and 6 cases had pedicled retrograde island flap+autologous skin grafting. The wound healing was observed, showing that all directly sutured wounds healed well; the wounds in 6 cases of autologous skin and/or artificial dermis grafting healed well, and the wounds in 3 cases also healed well after the secondary skin grafting; the flaps in 4 cases survived well with the wounds in 2 cases with distal perforators flap arteries circumfluence obstacle of posterior leg healed after stage Ⅱ debridement and autologous skin grafting. The healing status of skin/flap donor sites was followed showing that the donor sites of medium-thickness skin grafts in the thigh of 4 cases were well healed after transplanted with autologous split-thickness grafts from scalp; the donor sites of medium-thickness skin grafts in 3 cases did not undergo split-thickness skin grafting, of which 2 cases had poor healing but healed well after secondary skin grafting 2 weeks after surgery; the donor sites of split-thickness skin grafts in the head of 2 patients healed well; and all donor sites of flaps healed well after autologous skin grafting. During follow-up of more than half a year, 3 gout patients were hospitalized again for surgical treatment due to gout stone rupture, 4 patients were hospitalized again for surgical treatment due to infection, and no recurrent infection was found in the rest of patients. Conclusions: The infected wounds in patients with iatrogenic Cushing's syndrome have poor ability to regenerate and are prone to repeated infection. Local wound treatment together with multidisciplinary comprehensive treatment should be performed to control infection and close wounds in a timely manner, so as to maximize the benefits of patients.
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Affiliation(s)
- S T Li
- Department of Burns and Plastic Surgery, the First Affiliated Hospital of Guangxi Medical University, Nanning 530021, China
| | - Y Lin
- Department of Burns and Plastic Surgery, the First Affiliated Hospital of Guangxi Medical University, Nanning 530021, China
| | - B X Ou
- Department of Burns and Plastic Surgery, the First Affiliated Hospital of Guangxi Medical University, Nanning 530021, China
| | - D E Liu
- Department of Burns and Plastic Surgery, the First Affiliated Hospital of Guangxi Medical University, Nanning 530021, China
| | - Q W Li
- Department of Burns and Plastic Surgery, the First Affiliated Hospital of Guangxi Medical University, Nanning 530021, China
| | - Y J Nong
- Department of Burns and Plastic Surgery, the First Affiliated Hospital of Guangxi Medical University, Nanning 530021, China
| | - S M Wu
- Department of Burns and Plastic Surgery, the First Affiliated Hospital of Guangxi Medical University, Nanning 530021, China
| | - Z X Qiu
- Department of Burns and Plastic Surgery, the First Affiliated Hospital of Guangxi Medical University, Nanning 530021, China
| | - Zhenxing Huang
- Department of Endocrinology, the First Affiliated Hospital of Guangxi Medical University, Nanning 530021, China
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Han XS, Li QW, Guo PL, Li JJ. [Multivariate analysis of the effect of two liver resection methods on the survival outcome of patients with intrahepatic cholangiocarcinoma]. Zhonghua Yi Xue Za Zhi 2022; 102:1364-1368. [PMID: 35545580 DOI: 10.3760/cma.j.cn112137-20220119-00142] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Objective: To investigate the effect of anatomical hepatectomy and non-anatomic hepatectomy in the treatment of elderly patients with intrahepatic cholangiocarcinoma (IHCC) and their impact on survival outcomes. Methods: In this study, a retrospective method was used to select elderly patients with IHCC who were surgically treated in Shangqiu First People's Hospital from April 2014 to April 2018, and were divided into anatomic resection group and non-anatomical resection group according to the surgical methods they received.The factors affecting the survival outcome of IHCC in the two liver resection methods were analyzed and compared, as well as the effects of liver cirrhosis rate, TNM stage, ascites rate, lymph node metastasis rate, and vascular invasion rate on survival. Results: A total of 181 cases were included in this study, including 87 cases in the anatomical resection group, with 54 males and 33 females, aged (71.4±5.2) years old;There were 94 cases in the non-anatomical resection group, including 49 males and 45 females, aged (70.8±4.8) years.The 3-year survival rate of the anatomical resection group was 41.4% (36/87), which was higher than that of the non-anatomical resection group (25.5% (24/94), the difference was statistically significant (P<0.05);The median survival time of the anatomic resection group was longer than that of the non-anatomical resection group, and the difference was statistically significant P<0.05;The patient's TNM stage was stage III [OR (95%CI): 2.168 (1.245-3.776)], lymph node metastasis [1.664 (1.087-2.545)], and vascular invasion [1.883 (1.167-3.038)] was an independent risk factor for death 3 years after surgery (P<0.05), The patient's anatomical liver resection was a protective factor for the 3-year follow-up survival (P<0.05). Conclusion: The postoperative survival of elderly patients with IHCC is affected by many factors, but anatomic liver resection is beneficial to prolong the survival time of patients.
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Affiliation(s)
- X S Han
- Department of Gastrointestinal Hepatobiliary Surgery, Shangqiu First Hospital, Shangqiu 476000,China
| | - Q W Li
- Department of Gastrointestinal Hepatobiliary Surgery, Shangqiu First Hospital, Shangqiu 476000,China
| | - P L Guo
- Department of Gastrointestinal Hepatobiliary Surgery, Shangqiu First Hospital, Shangqiu 476000,China
| | - J J Li
- Department of Gastrointestinal Hepatobiliary Surgery, Shangqiu First Hospital, Shangqiu 476000,China
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Li QW, Liu XJ, Li JH, Zhang GQ, Chen SM, Huang CL, Qiu M, Li YL, Duan P, Weng YJ, Zhang XY, Huang CY. Applying WCACG modified process is beneficial on reduced door-to-balloon time of acute STEMI patients. Biomedicine (Taipei) 2019; 9:10. [PMID: 31124456 PMCID: PMC6533935 DOI: 10.1051/bmdcn/2019090210] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2019] [Accepted: 02/18/2019] [Indexed: 11/17/2022] Open
Abstract
Background: Various systems have employed with the objective to reduce the time from emergency medical services contact to balloon inflammation for ST-elevation myocardial infraction (STEMI) patients. The WCACG message system was used to an alternative communication platform to improve confirmation of the diagnosis and movement to treatment, resulted in shorten the door-to-balloon (D-to-B) time for STEMI patients. Methods: We collected 366 STEMI patients admitted at the Sixth Affiliated Hospital of Guangzhou Medical University, Qingyuan People’s Hospital, Department of Cardiology, during the period from June 2013 to October 2015. The patients were divided into two groups one underwent the current GC processes and the other group was handled using WCACG system. We compared between two groups with several indicators including D-to-B time, duration of hospitalization, associated costs, and incidence of adverse cardiovascular events. Results: The results show that the new method with WCACG system significantly reduced the average D-to-B time (from 100.42 ± 25.14 mins to 79.81 ± 20.51 mins, P < 0.05) compared to the GC processes, and also reduced the duration, costs and undesirable cardiac incidence during hospitalization. Conclusions: The modified WCACG process is an applicable system to save pieces of time and efficiently integrate the opinions of experts in emergency.
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Affiliation(s)
- Qiao-Wen Li
- Department of Cardiology, Qingyuan People's Hospital, The Sixth Affiliated Hospital of Guangzhou Medical University, Guangdong, China
| | - Xiao-Jian Liu
- Department of Cardiology, Qingyuan People's Hospital, The Sixth Affiliated Hospital of Guangzhou Medical University, Guangdong, China
| | - Jin-Hua Li
- Department of Cardiology, Qingyuan People's Hospital, The Sixth Affiliated Hospital of Guangzhou Medical University, Guangdong, China
| | - Guo-Qi Zhang
- Department of Cardiology, Qingyuan People's Hospital, The Sixth Affiliated Hospital of Guangzhou Medical University, Guangdong, China
| | - Su-Min Chen
- Department of Cardiology, Qingyuan People's Hospital, The Sixth Affiliated Hospital of Guangzhou Medical University, Guangdong, China
| | - Chao-Long Huang
- Department of Cardiology, Qingyuan People's Hospital, The Sixth Affiliated Hospital of Guangzhou Medical University, Guangdong, China
| | - Min Qiu
- Department of Cardiology, Qingyuan People's Hospital, The Sixth Affiliated Hospital of Guangzhou Medical University, Guangdong, China
| | - Yue-Liang Li
- Department of Cardiology, Qingyuan People's Hospital, The Sixth Affiliated Hospital of Guangzhou Medical University, Guangdong, China
| | - Peng Duan
- Department of Cardiology, Qingyuan People's Hospital, The Sixth Affiliated Hospital of Guangzhou Medical University, Guangdong, China
| | - Yi-Jiun Weng
- Department of Cardiology, Qingyuan People's Hospital, The Sixth Affiliated Hospital of Guangzhou Medical University, Guangdong, China - Graduate Institute of Basic Medical Science, China Medical University, Taichung 404, Taiwan
| | - Xiao-Yong Zhang
- Department of Cardiology, Qingyuan People's Hospital, The Sixth Affiliated Hospital of Guangzhou Medical University, Guangdong, China
| | - Chih-Yang Huang
- Graduate Institute of Basic Medical Science, China Medical University, Taichung 404, Taiwan - Graduate Institute of Chinese Medical Science, China Medical University, Taichung 404, Taiwan - Department of Health and Nutrition Biotechnology, Asia University, Taichung 413, Taiwan
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Zhang ZY, Lu HH, Li QW, Lin P. [Occurrence of central sleep apnea after treatment during split-night sleeping monitoring: a case report]. Zhonghua Er Bi Yan Hou Tou Jing Wai Ke Za Zhi 2018; 53:460-461. [PMID: 29902856 DOI: 10.3760/cma.j.issn.1673-0860.2018.06.017] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- Z Y Zhang
- Department of Otorhinolaryngology Head and Neck Surgery, Tianjin First Center Hospital, Tianjin 300192, China
| | - H H Lu
- Department of Otorhinolaryngology Head and Neck Surgery, Tianjin First Center Hospital, Tianjin 300192, China
| | - Q W Li
- Department of Otorhinolaryngology Head and Neck Surgery, Tianjin First Center Hospital, Tianjin 300192, China
| | - P Lin
- Department of Otorhinolaryngology Head and Neck Surgery, Tianjin First Center Hospital, Tianjin 300192, China
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Zhou Q, Zuo MH, Li QW, Tian YT, Xie YB, Wang YB, Yang GY, Ye YJ, Guo P, Liu JP, Liu ZL, An C, Zhou T, Tian Z, Liu CB, Hu Y, Chi XY, Shen Y, Xia Y, Hu KW. [Efficacy of Weitan Waifu patch on the postsurgical gastroparesis syndrome of gastrointestinal cancer: a multi-center trial]. Zhonghua Zhong Liu Za Zhi 2018; 39:919-925. [PMID: 29262509 DOI: 10.3760/cma.j.issn.0253-3766.2017.12.008] [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] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Objective: To investigate the safety and efficacy of the Weitan Waifu patch on the postsurgical gastroparesis syndrome (PGS) of gastrointestinal cancer. Methods: The multi-center, double-blind, randomized controlled trial was conducted with superiority design. Patients with PGS of gastrointestinal cancer diagnosed in 4 AAA hospitals and the abdominal symptom manifested as cold syndrome by Chinese local syndrome differentiation were recruited. These patients were randomly divided into two groups according to 1∶1 proportion. Placebo or Weitan Waifu patch was applied in control group or intervention group, respectively, based on the basic treatments, including nutrition support, gastrointestinal decompression, promoting gastric dynamics medicine.Two acupuncture points (Zhongwan and Shenque) were stuck with placebo in control group or patch in treatment group. The intervention course was 14 days or reached the effective standard. Results: From July 15, 2013 to Jun 3, 2015, 128 participants were recruited and 120 eligible cases were included in the full analysis set (FAS), and 60 cases in each group. 88 cases were included in the per-protocol set (PPS), including 45 cases in the treatment group and 43 cases in the control group. In the FAS, the clinical effective rate in the treatment group was 68.3%, significantly superior than 41.7% of the control group (P=0.003). The medium time of effective therapy in the treatment group was 8 days, significantly shorter than 10 days in the control group (P=0.017). In the FAS, 3 adverse events occurred in the treatment group, including mild to moderate decrustation, pruritus and nausea. The incidence rate of adverse events was 5.0% (3/60) and these symptoms were spontaneously remitted after drug withdrawal. No severe adverse events were observed in the control group. There was no significant difference between these two groups (P=0.244). Conclusion: Weitan Waifu patch is a safely and effectively therapeutic method for patients with PGS (cold syndrome) of gastroenterological cancer. Trial registration: International Standard Randomized Controlled Trial Number Register, ISRCTN18291857.
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Affiliation(s)
- Q Zhou
- Department of Oncology, Dongfang Hospital, Beijing University of Chinese Medicine, Beijing 100078, China
| | - M H Zuo
- Department of Oncology, Dongfang Hospital, Beijing University of Chinese Medicine, Beijing 100078, China
| | - Q W Li
- Department of Oncology, Dongfang Hospital, Beijing University of Chinese Medicine, Beijing 100078, China
| | - Y T Tian
- Department of Pancreatic and Gastric Surgery, National Cancer Center/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100021, China
| | - Y B Xie
- Department of Pancreatic and Gastric Surgery, National Cancer Center/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100021, China
| | - Y B Wang
- Department of Hepatobiliary Surgery, Chinese PLA General Hospital, Beijing 100853, China
| | - G Y Yang
- Department of Hepatobiliary Surgery, Chinese PLA General Hospital, Beijing 100853, China
| | - Y J Ye
- Department of General Surgery, Peking University People's Hospital, Beijing 100044, China
| | - P Guo
- Department of General Surgery, Peking University People's Hospital, Beijing 100044, China
| | - J P Liu
- Evidence-Based Medicine Center, Beijing University of Chinese Medicine, Beijing 100029, Chinak
| | - Z L Liu
- Evidence-Based Medicine Center, Beijing University of Chinese Medicine, Beijing 100029, Chinak
| | - C An
- Department of Oncology, Dongfang Hospital, Beijing University of Chinese Medicine, Beijing 100078, China
| | - T Zhou
- Department of Oncology, Dongfang Hospital, Beijing University of Chinese Medicine, Beijing 100078, China
| | - Z Tian
- Department of Oncology, Dongfang Hospital, Beijing University of Chinese Medicine, Beijing 100078, China
| | - C B Liu
- Department of Oncology, Dongfang Hospital, Beijing University of Chinese Medicine, Beijing 100078, China
| | - Y Hu
- Department of Oncology, Dongfang Hospital, Beijing University of Chinese Medicine, Beijing 100078, China
| | - X Y Chi
- Department of Oncology, Dongfang Hospital, Beijing University of Chinese Medicine, Beijing 100078, China
| | - Y Shen
- Department of Oncology, Dongfang Hospital, Beijing University of Chinese Medicine, Beijing 100078, China
| | - Y Xia
- Department of Oncology, Dongfang Hospital, Beijing University of Chinese Medicine, Beijing 100078, China
| | - K W Hu
- Department of Oncology, Dongfang Hospital, Beijing University of Chinese Medicine, Beijing 100078, China
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Zhang ZY, Lu HH, Li QW, Lin P. [Obstructive sleep apnea-hypopnea syndrome complicated with obesity hypoventilation syndrome: a case report]. Zhonghua Er Bi Yan Hou Tou Jing Wai Ke Za Zhi 2017; 52:859-861. [PMID: 29141301 DOI: 10.3760/cma.j.issn.1673-0860.2017.11.015] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- Z Y Zhang
- Department of Otorhinolaryngology Head and Neck Surgery, Tianjin First Center Hospital, Tianjin 300192, China
| | - H H Lu
- Department of Otorhinolaryngology Head and Neck Surgery, Tianjin First Center Hospital, Tianjin 300192, China
| | - Q W Li
- Department of Otorhinolaryngology Head and Neck Surgery, Tianjin First Center Hospital, Tianjin 300192, China
| | - P Lin
- Department of Otorhinolaryngology Head and Neck Surgery, Tianjin First Center Hospital, Tianjin 300192, China
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Zhou Y, Zhang S, Li K, Li QW, Zhou FZ, Li ZY, Ma H, Dong XR, Liu L, Wu G, Meng R. [The CK2 inhibitor quninalizarin enhances the anti-proliferative effect of icotinib on EGFR-TKIs-resistant cell lines and its underlying mechanisms]. Zhonghua Zhong Liu Za Zhi 2016; 38:100-4. [PMID: 26899328 DOI: 10.3760/cma.j.issn.0253-3766.2016.02.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
OBJECTIVE To explore whether quninalizarin, an specific inhibitor of protein kinase CK2, could sensitize icotinib in EGFR-TKIs (epithelial growth factor receptor-tyrosine kinase inhibitor)-resistant cell lines and uncover the underlying mechanisms. METHODS MTT assay was performed to evaluate the inhibitory effect of quninalizarin, icotinib or the combination of both on cell proliferation in several lung adenocarcinoma cell lines. Western blot assay was used to assess if combined inhibition of EGFR and protein kinase CK2 by icotinib and quninalizarin, exerts effect on the expression and phosphorylation of major proteins of EGFR signaling pathways. RESULTS The IC50 of HCC827, H1650, H1975 and A549 cells for icotinib were (8.07±2.00)μmol/L, (66.01±6.64)μmol/L, (265.60±9.47)μmol/L and (87.88±6.8)μmol/L, respectively, indicating that HCC827 cells are sensitive to icotinib, and the H1650, H1975 and A549 cells are relatively resistant to icotinib. When treated with both quninalizarin and icotinib in the concentration of 50 μmol/L, the viability of H1650, H1975 and A549 cells was (40.64±3.73)%, (65.74±3.27)% and (44.96±0.48)%, respectively, significantly lower than that of H1650, H1975 and A549 cells treated with 50 μmol/L icotinib alone (55.05±1.22)%, (71.98±1.60)% and (61.74±6.18)%, respectively (P<0.01 for all). When treated with both 100 μmol/L quninalizarin and 100 μmol/L icotinib, the viability of H1650, H1975 and A549 ells were (23.35±0.81)%, (55.70±1.03)%, (33.42±1.33)%, respectively, significantly lower than the viability of H1650, H1975 and A549 cells treated with 100 μmol/L icotinib alone (40.57±2.65)%, (62.40±2.05)% and (44.97±8.20)%, respectively, (P<0.01 for all). The two-way ANOVA analysis showed that compared with the viability of EGFR-TKIs-resistant cells (H1650, H1975, A549) treated with 50 μmol/L and 100 μmol/L icotinib alone, the viability of cells treated with icotinib and quinalizarin were significantly suppressed, and the differences were statistically significant (P<0.01). In addition, the phosphorylation form of Akt and ERK (namely p-Akt and p-ERK) were significantly down-regulated by treating with quninalizarin and icotinib together in the H1650 cells while the expression of Akt and ERK changed little. CONCLUSIONS Quinalizarin, as a specific CK2 inhibitor, may overcome icotinib resistance by inhibiting proliferation mediated by Akt and ERK in human lung adenocarcinoma cell lines, and enhances the suppressive effect of icotinib on the proliferation of EGFR-TKIs-resistant human lung adenocarcinoma cells.
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Affiliation(s)
- Y Zhou
- Cancer Center, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430023, China
| | - S Zhang
- Cancer Center, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430023, China
| | - K Li
- Department of Pharmacy, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430023, China
| | - Q W Li
- Cancer Center, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430023, China
| | - F Z Zhou
- Cancer Center, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430023, China
| | - Z Y Li
- Cancer Center, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430023, China
| | - H Ma
- Cancer Center, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430023, China
| | - X R Dong
- Cancer Center, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430023, China
| | - L Liu
- Cancer Center, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430023, China
| | - G Wu
- Cancer Center, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430023, China
| | - R Meng
- Cancer Center, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430023, China
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10
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Li QW, Zhou T, Wang F, Jiang M, Liu CB, Zhang KR, Zhou Q, Tian Z, Hu KW. MicroRNA-215 functions as a tumor suppressor and directly targets ZEB2 in human pancreatic cancer. Genet Mol Res 2015; 14:16133-45. [PMID: 26662405 DOI: 10.4238/2015.december.8.2] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
It has been shown that microRNA-215 (miR-215) is dysregulated in several human malignancies, and this correlates with tumor progression. However, its expression and function in pancreatic cancer is still unclear. The aim of this study was to explore the effects of miR-215 on pancreatic cancer formation and progression. Using quantitative RT-PCR, we detected miR-215 expression in pancreatic cancer cell lines and primary tumor tissues. The association of miR-215 expression with clinicopathological factors and prognosis was also analyzed. We then observed the effects of miR-215 on the biological behavior of pancreatic cancer cells. Lastly, the potential regulatory function of miR-215 on ZEB2 expression was investigated. miR-215 expression levels were significantly downregulated in pancreatic cancer samples and cell lines. Decreased miR-215 expression was significantly associated with large tumor size, advanced TNM stage, lymph node metastasis, vessel invasion, and lower overall survival. Multivariate regression analysis corroborated that downregulation of miR-215 was an independent unfavorable prognostic factor. Overexpression of miR-215 inhibited pancreatic cancer cell proliferation, invasion, and migration; promoted cell apoptosis in vitro; and suppressed tumorigenicity in vivo. Further, ZEB2 was confirmed as a direct target of miR-215 by using a luciferase reporter assay. These findings indicate that miR-215 may act as a tumor suppressor in pancreatic cancer cells, and could serve as a novel therapeutic target for miR-based therapy.
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Affiliation(s)
- Q W Li
- Department of Oncology, Dongfang Hospital, Beijing University of Chinese Medicine, Beijing, China
| | - T Zhou
- Department of Oncology, Dongfang Hospital, Beijing University of Chinese Medicine, Beijing, China
| | - F Wang
- Department of Oncology, Dongfang Hospital, Beijing University of Chinese Medicine, Beijing, China
| | - M Jiang
- Department of Oncology, Dongfang Hospital, Beijing University of Chinese Medicine, Beijing, China
| | - C B Liu
- Department of Oncology, Dongfang Hospital, Beijing University of Chinese Medicine, Beijing, China
| | - K R Zhang
- Department of Oncology, Dongfang Hospital, Beijing University of Chinese Medicine, Beijing, China
| | - Q Zhou
- Department of Oncology, Dongfang Hospital, Beijing University of Chinese Medicine, Beijing, China
| | - Z Tian
- Department of Oncology, Dongfang Hospital, Beijing University of Chinese Medicine, Beijing, China
| | - K W Hu
- Department of Oncology, Dongfang Hospital, Beijing University of Chinese Medicine, Beijing, China
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11
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Abstract
Forkhead box protein O1 (FOXO1) is an important transcriptional regulator of cell proliferation, and is considered essential for tumor growth and progression. However, the function of FOXO1 in human cervical cancer remains unclear. In this study, we investigated the role of FOXO1 in cervical cancer. Our results showed that FOXO1 expression was lower in cervical cancer than in cervical intraepithelial neoplasia and normal cervix by immunohistochemical analysis (P < 0.05). The level of FOXO1 in high-grade lesions was significantly lower than in low-grade lesion (P < 0.05), indicating that deficient expression of FOXO1 is involved in tumor progression and significantly associated with late-stage tumors (P < 0.05), which was further supported by clinicopathological, real-time polymerase chain reaction, and Western blotting analysis. Moreover, we confirmed that the overexpression of FOXO1 remarkably repressed cell growth and blocked cell proliferation, accompanied by cell-cycle arrest in the G2/M phase and upregulation of caspases-3 and -9 gene expression. Collectively, our data suggest that FOXO1 plays a vital role in inhibiting cervical cancer development by inducing cell-cycle arrest and apoptosis. FOXO1 expression is a favorable prognostic factor for human cervical cancer.
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Affiliation(s)
- B Zhang
- College of Animal Science and Technology, Northwest A & F University, Yangling, Shaanxi, China
| | - L S Gui
- College of Animal Science and Technology, Northwest A & F University, Yangling, Shaanxi, China
| | - X L Zhao
- College of Basic Medical Sciences, Jiamusi University, Jiamusi, Heilongjiang, China
| | - L L Zhu
- College of Basic Medical Sciences, Jiamusi University, Jiamusi, Heilongjiang, China
| | - Q W Li
- College of Animal Science and Technology, Northwest A & F University, Yangling, Shaanxi, China
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12
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Fan LN, Deng HH, Luo QW, He HY, Li Y, Wang QN, Huang ZX, Wu JT, Li QW, Liu SM, Qi YW. Genetic diversity of Saccharum spontaneum from geographical regions of China assessed by simple sequence repeats. Genet Mol Res 2013; 12:5916-25. [PMID: 24338385 DOI: 10.4238/2013.november.26.1] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
Saccharum spontaneum is the most variable wild relative of sugarcane with potential for use in sugarcane improvement programs. In order to help preserve and exploit this species, 152 accessions from eight major geographical regions in China, including Hainan, Guangdong, Guangxi, Yunnan, Sichuan, Guizhou, Fujian, and Jiangxi provinces, were investigated by analyzing 20 simple sequence repeats (SSRs), including 11 genomic SSRs (gSSRs) and nine SSRs developed from expressed sequence tags (EST-SSRs). A total of 454 alleles were generated by the 20 SSRs, with 295 and 159 alleles detected by gSSRs and EST-SSRs respectively. The Mantel test showed significant correlation between genetic matrixes among the studied accessions revealed by gSSRs versus EST-SSRs, although the average polymorphism of EST-SSRs (17.7) was much lower than that of gSSRs (26.8). Among the eight provinces, collections from Guizhou were the most diverse and those from Guangdong were the most distinct. Clustering analysis and principal component analysis accordantly classified the accessions into four groups, which were "Southwest group", "Hainan group", "Guangdong group", and "Guangxi group", based on the geographical origin of the major accessions in each group, demonstrating that geographical factors play an important role in the pattern of genetic structure of Chinese S. spontaneum. As two (Guizhou and Yunnan) of the three provinces with highest genetic diversity are located in southwest China, we concluded that southwest China is the region with the highest genetic diversity of S. spontaneum.
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Affiliation(s)
- L N Fan
- Guangdong Key Laboratory of Sugarcane Improvement and Biorefinery, Guangzhou Sugarcane Industry Research Institute, Guangzhou, China
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Shi J, Xu P, Zhong ML, Gong YX, Bai YF, Yu WJ, Li QW, Jin H, Zhu SN. Heralded generation of multipartite entanglement for one photon by using a single two-dimensional nonlinear photonic crystal. Opt Express 2013; 21:7875-7881. [PMID: 23571878 DOI: 10.1364/oe.21.007875] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/02/2023]
Abstract
We propose a compact scheme for the heralded generation of single-photon multipartite entanglement by using a single two-dimensional nonlinear photonic crystal. Studies have shown that by appropriate structure design, the single-photon entanglement shared among three spatially distinct optical modes can be generated through three concurrent spontaneous parametric down-conversion processes by using the other photon in an identical spatial mode as a trigger. Furthermore, we analyze the entanglement of such heralded single-photon tripartite W-type state theoretically. This method can be expanded for the heralded single-photon N-partite entanglement generation. This compact and stable quantum light source may act as a key ingredient in quantum information science.
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Affiliation(s)
- J Shi
- National Laboratory of Solid State Microstructures, School of Physics, Nanjing University, Nanjing 210093, China
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14
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Li TS, Chen C, Gao Y, Li QW. Cloning and characterization of A cDNA encoding prohibitin1 from Lampetra japonica and its expression analysis. Cell Mol Biol (Noisy-le-grand) 2012; 58 Suppl:OL1791-OL1796. [PMID: 23153391] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2012] [Accepted: 10/29/2012] [Indexed: 06/01/2023]
Abstract
To investigate that prohibitin is probably concerned in B--lymphocyte--like cells mediated signal pathways in Lamprey, a necessary and fundamental plan is firstly conducted. A full--length cDNA encoding the prohibitin1 protein was cloned from Lampetra japonica by EST sequence analysis in L. japonica leukocyte cDNA library conducted by our laboratory. Prohibitin1 contains a 828 bp open reading frame, encoded 275 amino acids residues, and molecular weight is 29.9517 KD, isoelectric point is 6.93, consists of 31 negatively charged amino acids residues (Asp+Glu) and 21 positively charged ones (Arg+Lys). The Prohibitin1 gene sequence from L. japonica is 71% identical to the ones of other 24 eukaryotic species, which shows the putative prohibitin1 gene is highly conserved. Western blotting analysis results showed the recombinant proteins were the target proteins in prokaryote. Real--time quantitative polymerase chain reaction analysis indicated that the expression of the prohibitin1 gene is significantly up--regulated in leukocyte, heart and gill of L. japonica by LPS stress treatment. In conclusion, we have cloned and identified the full--length cDNA of Prohibitin1 in L. japonica and found that it was related to adaptive immune response in lamprey for the first time.
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Affiliation(s)
- T S Li
- Life Science School of Liaoning Normal University, Dalian 116029, PR China
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15
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Li QW, Hu YQ. [Surgical repair of hypospadias with urethral burying and scrotal skin flap transplantation]. Zhongguo Xiu Fu Chong Jian Wai Ke Za Zhi 2001; 15:341-2. [PMID: 11762218] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/23/2023]
Abstract
OBJECTIVE To investigate the surgical approach to repair hypospadias. METHODS From 1992 to 2000, 42 cases with hypospadias accepted secondary urethroplasty after primary operation, which included urethral burying in penile skin, bladder mucosa and scrotal septal vascular pedicled flap urethroplasty, trans-scrotal skin flap covering the wounds with normal meatus urinarius. RESULTS Only one, out of 42 cases, had early complication of urinary fistula in 7 days after urethroplasty, which was cured by scrotal septal vascular pedicled flap urethroplasty 3 months later and had no further complication. The others were all succeeded once for all, the successful rate was 97.6%. CONCLUSION The surgical method to repair hypospadias by urethral burying and transscrotal skin flap technique is safe, reliable and recommendable for clinical use.
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Affiliation(s)
- Q W Li
- Department of Urology, Affiliated Hospital of Bengbu Medical College, Bengbu Anhui, P. R. China 233004
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Yuan JR, Li QW, Li ZL. [Studies on chemical constituents of Lagopsis supina (Steph.) Ik.-GaI]. Zhongguo Zhong Yao Za Zhi 2000; 25:421-3. [PMID: 12515224] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/28/2023]
Abstract
OBJECTIVE To study the chemical constituents of Lagopsis supina. METHOD Compounds were separated by solvent extraction, column chromatography and TLC, and the structures were determined by chemical and spectral analyses. RESULTS Six compounds were isolated from the ethanol extract of L. supina and identified as eicosanoic acid octadecyl ester, eicosanoic acid-16-methyl-15, 16-hetadecenyl ester, palmitic acid, beta-sitosterol, oleanolic acid and daucosterol. CONCLUSION Except beta-sitosterol, all the compounds were isolated from this genus for the first time.
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Affiliation(s)
- J R Yuan
- Laboratory of Natural Drugs of Shandong University of TCM, Jinan 250014, Shandong, China
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17
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Li QW. [The effect of the IUD on the endometrial blood vessels: the histochemical changes of enzymes and glycogen]. Shengzhi Yu Biyun 1988; 8:15-8. [PMID: 12315488] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 04/19/2023]
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18
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Li QW. [The effect of IUD on endometrial blood vessels--correlation between vascular changes and bleeding]. Shengzhi Yu Biyun 1988; 8:17-21. [PMID: 12282150] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 04/19/2023]
Abstract
In order to examine the causes of endometrial bleeding following IUD insertion, 22 samples of endometrium from women with an IUD in place for between 1-20 years or more and 10 cases of endometrium without an IUD and with normal menstrual cycles as controls were studied. The quantitative histologic method was utilized to demonstrate the correlation between vascular changes and clinical bleeding. The results indicate that the concentration and expansion of microvascularity, especially the capillary, venule, and venous sinus, increased significantly in most of the IUD-exposed endometriums (75%) as compared with controls (p0.01). The remarkable changes in vessels correlated with clinical bleeding were increased density, obvious dilatation, defect, and rupture of the superficial venous sinus. Mechanical damage, degeneration, necrosis, and denudation of surface endometrium exposed to the IUD could be the direct cause of clinical bleeding.
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