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Turgeon A, Fu J, Divyanshi, Ma M, Jin Z, Hwang H, Li M, Qiao H, Mei W, Yang J. Dzip1 is dynamically expressed in the vertebrate germline and regulates the development of Xenopus primordial germ cells. bioRxiv 2024:2024.04.20.590349. [PMID: 38712275 PMCID: PMC11071414 DOI: 10.1101/2024.04.20.590349] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/08/2024]
Abstract
Primordial germ cells (PGCs) are the precursors of sperms and oocytes. Proper development of PGCs is crucial for the survival of the species. In many organisms, factors responsible for PGC development are synthesized during early oogenesis and assembled into the germ plasm. During early embryonic development, germ plasm is inherited by a few cells, leading to the formation of PGCs. While germline development has been extensively studied, how components of the germ plasm regulate PGC development is not fully understood. Here, we report that Dzip1 is dynamically expressed in vertebrate germline and is a novel component of the germ plasm in Xenopus and zebrafish. Knockdown of Dzip1 impairs PGC development in Xenopus embryos. At the molecular level, Dzip1 physically interacts with Dazl, an evolutionarily conserved RNA-binding protein that plays a multifaced role during germline development. We further showed that the sequence between amino acid residues 282 and 550 of Dzip1 is responsible for binding to Dazl. Disruption of the binding between Dzip1 and Dazl leads to defective PGC development. Taken together, our results presented here demonstrate that Dzip1 is dynamically expressed in the vertebrate germline and plays a novel function during Xenopus PGC development.
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Hua HJ, Yang QY, Li MN, Li Y, Ding Y, Fan QH, Li H. [Low-fat and fat-free spindle cell lipoma: a clinicopathological analysis of six cases]. Zhonghua Bing Li Xue Za Zhi 2023; 52:1028-1030. [PMID: 37805395 DOI: 10.3760/cma.j.cn112151-20230725-00022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 10/09/2023]
Affiliation(s)
- H J Hua
- Department of Pathology, Jiangsu Province Hospital (First Affiliated Hospital of Nanjing Medical University), Nanjing 210029, China
| | - Q Y Yang
- Department of Pathology, Jiangsu Province Hospital (First Affiliated Hospital of Nanjing Medical University), Nanjing 210029, China
| | - M N Li
- Department of Pathology, Jiangsu Province Hospital (First Affiliated Hospital of Nanjing Medical University), Nanjing 210029, China
| | - Y Li
- Department of Pathology, Jiangsu Province Hospital (First Affiliated Hospital of Nanjing Medical University), Nanjing 210029, China
| | - Y Ding
- Department of Pathology, Jiangsu Province Hospital (First Affiliated Hospital of Nanjing Medical University), Nanjing 210029, China
| | - Q H Fan
- Department of Pathology, Jiangsu Province Hospital (First Affiliated Hospital of Nanjing Medical University), Nanjing 210029, China
| | - H Li
- Department of Pathology, Jiangsu Province Hospital (First Affiliated Hospital of Nanjing Medical University), Nanjing 210029, China
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Ran SY, Zu RW, Wu H, Zheng W, Yang C, Yang SH, Ren BN, Zhang W, Kuang YH, Li MN, Cao MY, Wu J, Guan YC. [The effects of high risk of ovarian hyperstimulation syndrome and duration of embryo cryopreservation on perinatal outcomes of single live births in the first frozen embryo transfer cycle after whole embryo cryopreservation]. Zhonghua Yi Xue Za Zhi 2023; 103:1993-1999. [PMID: 37438081 DOI: 10.3760/cma.j.cn112137-20221214-02651] [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: 07/14/2023]
Abstract
Objective: To investigate the effects of high risk of ovarian hyperstimulation syndrome (OHSS) and duration of embryo cryopreservation on perinatal outcomes of the first frozen-thawed cycle after whole embryo cryopreservation. Methods: The clinical data of 1 804 patients who underwent the first frozen-thawed cycle after whole embryo cryopreservation and achieved singleton live births in the Reproductive Center of the Third Affiliated Hospital of Zhengzhou University from January 2016 to June 2021 were retrospectively analyzed. According to whether there was high risk of OHSS in the oocyte retrieval cycle, the patients were divided into high-risk group (n=790) and non-high-risk group (n=1 014). The baseline data and perinatal outcomes were compared between the two groups. Multivariate linear regression was applied to analyze the relative factors affecting neonatal weight. And the high-risk group was divided into three subgroups according to different cryopreservation time: the embryos of 96 cycles with a cryopreservation time less than 60 days were defined as group A; the embryos of 587 cycles with a cryopreservation time around 60 to 120 days were defined as group B; the embryos of 107 cycles with a cryopreservation time more than 120 days were defined as group C. The perinatal outcomes were compared among the three groups. The measurement data in this study were represented by[M(Q1,Q3)]. Results: The female age in the high-risk group was 30.0 (27.0, 32.0) years old, which was lower than that in the non-high-risk group 31.0 (29.0, 34.0) (P<0.001). The male age in high-risk group was 30.0 (28.0, 33.0), lower than that in non-high-risk group 32.0 (29.0, 35.0) (P<0.001). The birth weight of high-risk group [3 500.0 (3 200.0,3 800.0) g] was higher than that of control group [3 400.0 (3 150.0,3 800.0) g](P=0.045). Multivariate linear regression analysis showed that female BMI was correlated with neonatal weight, β (95%CI) was 15.37(8.33, 22.41) (P<0.001), and the high risk of OHSS was not correlated with neonatal weight, β (95%CI) was 19.40 (-38.07, 76.87) (P=0.508). There was significant difference in the incidence of low birth weight and very low birth weight among groups A, B and C (all P values<0.05), and the incidence of low birth weight and very low birth weight in group C was higher than that in group B (all P values<0.017). Conclusions: The risk of adverse perinatal outcomes in high-risk OHSS patients who underwent the first frozen-thawed cycle after whole embryo cryopreservation was not increased. However, prolonged cryopreservation of embryos may lead to increased risk of low birth weight and very low birth weight.
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Affiliation(s)
- S Y Ran
- Reproductive Center of the Third Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, China
| | - R W Zu
- Reproductive Center of the Third Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, China
| | - H Wu
- Reproductive Center of the Third Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, China
| | - W Zheng
- Reproductive Center of the Third Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, China
| | - C Yang
- Reproductive Center of the Third Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, China
| | - S H Yang
- Reproductive Center of the Third Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, China
| | - B N Ren
- Reproductive Center of the Third Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, China
| | - W Zhang
- Reproductive Center of the Third Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, China
| | - Y H Kuang
- Reproductive Center of the Third Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, China
| | - M N Li
- Reproductive Center of the Third Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, China
| | - M Y Cao
- Reproductive Center of the Third Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, China
| | - J Wu
- Reproductive Center of the Third Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, China
| | - Y C Guan
- Reproductive Center of the Third Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, China
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Gong T, Wang X, Zhu H, Wen C, Ma Q, Li X, Li M, Guo R, Liang W. Folic acid-maltodextrin polymer coated magnetic graphene oxide as a NIR-responsive nano-drug delivery system for chemo-photothermal synergistic inhibition of tumor cells. RSC Adv 2023; 13:12609-12617. [PMID: 37101949 PMCID: PMC10123490 DOI: 10.1039/d3ra02306k] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2023] [Accepted: 04/15/2023] [Indexed: 04/28/2023] Open
Abstract
The combination of chemo-photothermal therapy with high efficiency and fewer side effects has a good application prospect in cancer treatment. It is of great significance to construct a nano-drug delivery system with cancer cell targeting, high drug loading and excellent photothermal conversion efficiency. Therefore, a novel nano-drug carrier MGO-MDP-FA was successfully constructed by coating folic acid-grafted maltodextrin polymers (MDP-FA) on the surface of Fe3O4-modified graphene oxide (MGO). The nano-drug carrier combined the cancer cell targeting of FA and the magnetic targeting of MGO. A large amount of anti-cancer drug doxorubicin (DOX) was loaded by π-π interaction, hydrogen bond interaction and hydrophobic interaction, with the maximum loading amount and loading capacity of 657.9 mg g-1 and 39.68 wt%, respectively. Based on the excellent photothermal conversion efficiency of MGO, MGO-MDP-FA showed good thermal ablation effect of tumor cells in vitro under NIR irradiation. In addition, MGO-MDP-FA@DOX showed excellent chemo-photothermal synergistic tumor inhibition in vitro (tumor cell killing rate reached 80%). In conclusion, the novel nano-drug delivery system MGO-MDP-FA constructed in this paper provides a promising nano-platform for chemo-photothermal synergistic treatment of cancer.
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Affiliation(s)
- Tao Gong
- Department of Biochemistry and Molecular Biology, Shanxi Medical University Taiyuan 030001 China
| | - Xiaoyu Wang
- Department of Biochemistry and Molecular Biology, Shanxi Medical University Taiyuan 030001 China
| | - Huirui Zhu
- Department of Biochemistry and Molecular Biology, Shanxi Medical University Taiyuan 030001 China
| | - Chaochao Wen
- Institute of Environmental Science, Department of Chemistry, Shanxi University Taiyuan 030006 China
| | - Qing Ma
- Department of Biochemistry and Molecular Biology, Shanxi Medical University Taiyuan 030001 China
| | - Xiaoning Li
- Department of Biochemistry and Molecular Biology, Shanxi Medical University Taiyuan 030001 China
| | - Meining Li
- Department of Biochemistry and Molecular Biology, Shanxi Medical University Taiyuan 030001 China
| | - Rui Guo
- Department of Biochemistry and Molecular Biology, Shanxi Medical University Taiyuan 030001 China
| | - Wenting Liang
- Institute of Environmental Science, Department of Chemistry, Shanxi University Taiyuan 030006 China
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Yang QY, Li MN, Chen TY, Liu C, Li X, Shi ZM, Pan MH. [Diffuse midline glioma with H3K27 alteration in adults: a clinicopathological analysis]. Zhonghua Bing Li Xue Za Zhi 2023; 52:376-383. [PMID: 36973199 DOI: 10.3760/cma.j.cn112151-20220926-00810] [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: 03/29/2023]
Abstract
Objective: To investigate the clinicopathological characteristics, pathological diagnosis and prognosis of diffuse midline glioma (DMG) with H3K27 alteration in adults. Methods: Twenty cases of H3K27-altered adult DMG diagnosed in the First Affiliated Hospital of Nanjing Medical University were enrolled from 2017 to 2022. All cases were evaluated by clinical and imaging presentations, HE, immunohistochemical staining and molecular genetics; and the relevant literature was reviewed. Results: The ratio of male to female was 1∶1, and the median age was 53 years (range from 25 to 74 years); the tumors were located in the brainstem (3/20, 15%) and non-brainstem (17/20, 85%; three in thoracolumbar spinal cord and one in pineal region). The clinical manifestations were non-specific, mostly dizziness, headache, blurred vision, memory loss, low back pain, limb sensation and/or movement disorders, etc. Microscopically, the tumors showed infiltrative growth, with WHO grade 2 (3 cases), grade 3 (12 cases), and grade 4 (5 cases). The tumors showed astrocytoma-like and oligdendroglioma-like, pilocytic astrocytoma-like and epithelioid-like patterns. Immunohistochemically, the tumor cells were positive for GFAP, Olig2 and H3K27M, and H3K27me3 expression was variably lost. ATRX expression was lost in four cases, p53 was strongly positive in 11 cases. Ki-67 index was about 5%-70%. Molecular genetics showed p. k27m mutation in exon 1 of H3F3A gene in 20 cases; BRAF mutation in two cases: V600E and L597Q mutation in one case each. Follow up intervals ranged from 1 to 58 months, and the survival time for brainstem (6.0 months) and non-brainstem (30.4 months) tumors was significantly different (P<0.05). Conclusions: DMG with H3K27 alteration is uncommonly found in adults, mostly occurs in non-brainstem, and can present in adults of all ages. Owing to the wide histomorphologic features, mainly astrocytic differentiation, routine detection of H3K27me3 in midline glioma is recommended. Molecular testing should be performed on any suspected cases to avoid missed diagnosis. Concomitant BRAF L597Q mutation and PPM1D mutation are novel findings. The overall prognosis of this tumor is poor, with tumors located in the brainstem showing worse outcome.
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Affiliation(s)
- Q Y Yang
- Department of Pathology, the First Affiliated Hospital of Nanjing Medical University, Nanjing 210029, China
| | - M N Li
- Department of Pathology, the First Affiliated Hospital of Nanjing Medical University, Nanjing 210029, China
| | - T Y Chen
- Department of Pathology, the First Affiliated Hospital of Nanjing Medical University, Nanjing 210029, China
| | - C Liu
- Department of Pathology, the First Affiliated Hospital of Nanjing Medical University, Nanjing 210029, China
| | - X Li
- Department of Pathology, the First Affiliated Hospital of Nanjing Medical University, Nanjing 210029, China
| | - Z M Shi
- Department of Neurosurgery, the First Affiliated Hospital of Nanjing Medical University, Nanjing 210029, China
| | - M H Pan
- Department of Pathology, the First Affiliated Hospital of Nanjing Medical University, Nanjing 210029, China Collaborative Innovation Center for Individualized Oncology Medicine, Nanjing 210029, China
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Zhao S, Wang J, Li MN, Ding Y, Pan MH, Song K. [Clinicopathological features of polymorphous low-grade neuroepithelial tumor of the young]. Zhonghua Bing Li Xue Za Zhi 2022; 51:640-646. [PMID: 35785835 DOI: 10.3760/cma.j.cn112151-20220315-00188] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [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 clinicopathological features and differential diagnosis of polymorphous low-grade neuroepithelial tumor of the young (PLNTY). Methods: Five cases of PLNTY diagnosed at the First Affiliated Hospital and Affiliated Brain Hospital of Nanjing Medical University, Nanjing, China from 2019 to 2021 were collected. All cases were evaluated using clinical and imaging data, histology, immunohistochemical staining and molecular genetics. The relevant literature was reviewed. Results: There were two male and three female patients, aged 10 to 39 years, with an average age of 25 years. Clinically, the tumors were in the temporal lobe (3 cases), the lateral ventricle (1 case) and the left head of caudate nucleus (1 case). The clinical manifestations included epilepsy in 3 cases, right visual disturbance in 1 case, and post-trauma incidental finding in 1 case. Microscopically, the lesions were characterized with infiltrative growth, cellular pleomorphism (oligodendroglioma-like cells were always present, with low-grade, pleomorphic nuclei) and variable calcifications. Immunohistochemically, the tumor cells were positive for GFAP and Olig2. They also showed intense and diffuse expression of CD34 while CD34 expressing ramified neural elements were present in regional cortex. Ki-67 proliferation index was less than 3%. Molecular genetics showed the BRAF V600E mutation in 2 cases, the PAK5-Q337R missense mutation in 1 case, the FGFR2-CTNNA3 fusion in 1 case, and the FGFR2-INA and FGFR2-PPRC1 concomitant fusion in 1 case. No postoperative chemoradiotherapy was given. Follow-up intervals ranged from 3 to 29 months while no recurrence or metastasis was identified. Conclusions: PLNTY is uncommon. A definite diagnosis of PLNTY relies on histopathological examination and molecular genetics. It is important to distinguish PLNTY from high grade gliomas and avoid overtreatment. The recently reported the PAK5-Q337R missense mutation and the FGFR2-PPRC1 gene fusion in PLNTY may help diagnose and understand the pathogenesis of PLNTY.
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Affiliation(s)
- S Zhao
- Department of Pathology, the First Affiliated Hospital of Nanjing Medical University, Nanjing 210029, China
| | - J Wang
- Department of Pathology, Brain Hospital Affiliated to Nanjing Medical University, Nanjing 210029, China
| | - M N Li
- Department of Pathology, the First Affiliated Hospital of Nanjing Medical University, Nanjing 210029, China
| | - Y Ding
- Department of Pathology, the First Affiliated Hospital of Nanjing Medical University, Nanjing 210029, China
| | - M H Pan
- Department of Pathology, the First Affiliated Hospital of Nanjing Medical University, Nanjing 210029, China
| | - Kun Song
- Department of Pathology, Brain Hospital Affiliated to Nanjing Medical University, Nanjing 210029, China
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Zhai X, Li XY, Wang YJ, Qin KR, Hu JR, Li MN, Wang HL, Guo R. Fancd2os Reduces Testosterone Production by Inhibiting Steroidogenic Enzymes and Promoting Cellular Apoptosis in Murine Testicular Leydig Cells. Endocrinol Metab (Seoul) 2022; 37:533-546. [PMID: 35798552 PMCID: PMC9262688 DOI: 10.3803/enm.2022.1431] [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] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/06/2022] [Accepted: 05/31/2022] [Indexed: 11/11/2022] Open
Abstract
BACKGRUOUND It is well-established that serum testosterone in men decreases with age, yet the underlying mechanism of this change remains elusive. METHODS The expression patterns of Fancd2 opposite-strand (Fancd2os) in BALB/c male mice and testicular tissue derived cell lines (GC-1, GC-2, TM3, and TM4) were assessed using real-time polymerase chain reaction (RT-PCR), Western blot and immunofluorescence. The Fancd2os-overexpressing or knockdown TM3 cells were constructed by infecting them with lentivirus particles and were used to evaluated the function of Fancd2os. The testosterone production was measured using enzyme linked immunosorbent assay (ELISA) and the steroidogenic enzymes such as steroidogenic acute regulatory protein (StAR), P450 cholesterol side-chain cleavage (P450scc), and 3β-hydroxysteroid dehydrogenase (3β-HSD) were analysed using RT-PCR. The apoptosis of TM3 cells induced by ultraviolet light or testicular tissues was detected using flow cytometry, Western blot or dUTP-biotin nick end labeling (TUNEL) assays. Pearson correlation analysis was used to assess the correlation between the Fancd2os expression and TUNEL-positive staining in mouse testicular Leydig cells. RESULTS The Fancd2os protein was predominantly expressed in mouse testicular Leydig cells and its expression increased with age. Fancd2os overexpression inhibited testosterone levels in TM3 Leydig cells, whereas knockdown of Fancd2os elevated testosterone production. Fancd2os overexpression downregulated the levels of StAR, P450scc and 3β-HSD, while Fancd2os knockdown reversed this effect. Fancd2os overexpression promoted ultraviolet light-induced apoptosis of TM3 cells. In contrast, Fancd2os knockdown restrained apoptosis in TM3 cells. In vivo assays revealed that higher Fancd2os levels and mouse age were associated with increased apoptosis in Leydig cells and decreased serum testosterone levels. Pearson correlation analysis exhibited a strong positive correlation between the expression of Fancd2os and TUNEL-positive staining in mouse testicular Leydig cells. CONCLUSION Our findings suggest that Fancd2os regulates testosterone synthesis via both steroidogenic enzymes and the apoptotic pathway.
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Affiliation(s)
- Xiang Zhai
- Department of Biochemistry and Molecular Biology, Basic Medical Science Center, School of Basic Medicine, Shanxi Medical University, Jinzhong, China
| | - Xin-yang Li
- Department of Biochemistry and Molecular Biology, Basic Medical Science Center, School of Basic Medicine, Shanxi Medical University, Jinzhong, China
| | - Yu-jing Wang
- Department of Biochemistry and Molecular Biology, Basic Medical Science Center, School of Basic Medicine, Shanxi Medical University, Jinzhong, China
| | - Ke-ru Qin
- Department of Biochemistry and Molecular Biology, Basic Medical Science Center, School of Basic Medicine, Shanxi Medical University, Jinzhong, China
| | - Jin-rui Hu
- Department of Biochemistry and Molecular Biology, Basic Medical Science Center, School of Basic Medicine, Shanxi Medical University, Jinzhong, China
| | - Mei-ning Li
- Department of Biochemistry and Molecular Biology, Basic Medical Science Center, School of Basic Medicine, Shanxi Medical University, Jinzhong, China
| | - Hai-long Wang
- Department of Biochemistry and Molecular Biology, Basic Medical Science Center, School of Basic Medicine, Shanxi Medical University, Jinzhong, China
- Corresponding authors: Hai-long Wang Basic Medical Science Center, School of Basic Medicine, Shanxi Medical University, No. 55 Wenhua Street, Jinzhong, Shanxi, 030600, China Tel: +86-351-3985176, Fax: +86-351-3985176, E-mail:
| | - Rui Guo
- Department of Biochemistry and Molecular Biology, Basic Medical Science Center, School of Basic Medicine, Shanxi Medical University, Jinzhong, China
- Rui Guo Department of Biochemistry and Molecular Biology, School of Basic Medicine, Shanxi Medical University, No. 55 Wenhua Street, Jinzhong, Shanxi, 030600, China Tel: +86-351-3985176, Fax: +86-351-3985176, E-mail:
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li X, ZHU HR, Xing Z, Gong T, Li M, Su D, Liang W, Guo R. Linear Maltodextrin Polymer-folic Acid Modified Graphene Oxide Nanoparticles for Targeted Delivery and pH/Photothermal-Sensitive Release of Hydrophobic Anticancer Drug in Tumor Cells. NEW J CHEM 2022. [DOI: 10.1039/d2nj03937k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
A novel multifunctional graphene oxide nano-drug carrier (GO@LM-SP-FA) was constructed by connecting linear maltodextrin polymer (LM-SP) and folic acid (FA) to the surface of graphene oxide nanoparticles (GO). Doxorubicin hydrochloride...
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Li MN, Lu YH, Li YM, Wang HY, Mi YH. Successful cardiopulmonary resuscitation combined with thrombolysis for massive pulmonary embolism during peri-cardiac arrest. World J Emerg Med 2022; 13:495-499. [PMID: 36636565 PMCID: PMC9807390 DOI: 10.5847/wjem.j.1920-8642.2022.097] [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] [Received: 01/16/2022] [Accepted: 05/29/2022] [Indexed: 01/16/2023] Open
Affiliation(s)
- Mei-ning Li
- Emergency and Critical Care Center, Beijing Anzhen Hospital, Capital Medical University, Beijing Institute of Heart, Lung and Blood Vascular Disease, Beijing 100029, China
| | - Yan-hui Lu
- Emergency and Critical Care Center, Beijing Anzhen Hospital, Capital Medical University, Beijing Institute of Heart, Lung and Blood Vascular Disease, Beijing 100029, China
| | - Ya-min Li
- Emergency and Critical Care Center, Beijing Anzhen Hospital, Capital Medical University, Beijing Institute of Heart, Lung and Blood Vascular Disease, Beijing 100029, China
| | - Hai-yun Wang
- Emergency and Critical Care Center, Beijing Anzhen Hospital, Capital Medical University, Beijing Institute of Heart, Lung and Blood Vascular Disease, Beijing 100029, China
| | - Yu-hong Mi
- Emergency and Critical Care Center, Beijing Anzhen Hospital, Capital Medical University, Beijing Institute of Heart, Lung and Blood Vascular Disease, Beijing 100029, China,Corresponding Author: Yu-hong Mi,
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Wang X, Ma Q, Wen C, Gong T, Li J, Liang W, Li M, Wang Y, Guo R. Folic acid and deoxycholic acid derivative modified Fe 3O 4 nanoparticles for efficient pH-dependent drug release and multi-targeting against liver cancer cells. RSC Adv 2021; 11:39804-39812. [PMID: 35494148 PMCID: PMC9044570 DOI: 10.1039/d1ra05874f] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2021] [Accepted: 11/17/2021] [Indexed: 12/23/2022] Open
Abstract
The novel nano-drug carrier (FDCA-FA-MNPs) was constructed by grafting formyl deoxycholic acid (FDCA) and folic acid (FA) on the surface of Fe3O4 magnetic nanoparticles (MNPs), possessing the advantages of superparamagnetism, good stability, low cytotoxicity and good blood compatibility. The hydrophobic anti-cancer drug doxorubicin hydrochloride (DOX) was successfully loaded onto FDCA-FA-MNPs through supramolecular interactions (hydrogen bond between FDCA and drug and hydrophobic interaction and π-π stacking between drug and drug). The drug loading amount and drug loading capacity were 509.1 mg g-1 and 33.73 wt%, respectively. In addition, drug release had a pH responsive and controllable release performance, the release rate at pH 5.3 (45.6%) was four times that at pH 7.4 (11.5%), and the tumor microenvironment was favorable for drug release. More importantly, the novel nano-drug carrier combined the hepatocellular targeting of FDCA, the cancer cell targeting of FA, and the magnetic targeting of Fe3O4, showing excellent cancer-killing efficiency (78%) in vitro. Therefore, the nano-drug carrier synthesized in this paper has potential practical application value in the targeted therapy of liver cancer.
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Affiliation(s)
- Xiaoyu Wang
- Department of Biochemistry and Molecular Biology, Shanxi Medical University Taiyuan 030001 China
| | - Qing Ma
- Department of Biochemistry and Molecular Biology, Shanxi Medical University Taiyuan 030001 China
| | - Chaochao Wen
- Institute of Environmental Science, Department of Chemistry, Shanxi University Taiyuan 030006 China
| | - Tao Gong
- Department of Biochemistry and Molecular Biology, Shanxi Medical University Taiyuan 030001 China
| | - Jing Li
- Institute of Environmental Science, Department of Chemistry, Shanxi University Taiyuan 030006 China
| | - Wenting Liang
- Institute of Environmental Science, Department of Chemistry, Shanxi University Taiyuan 030006 China
| | - Meining Li
- Department of Biochemistry and Molecular Biology, Shanxi Medical University Taiyuan 030001 China
| | - Yuyao Wang
- Department of Biochemistry and Molecular Biology, Shanxi Medical University Taiyuan 030001 China
| | - Rui Guo
- Department of Biochemistry and Molecular Biology, Shanxi Medical University Taiyuan 030001 China
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Gao H, Li HX, Li MN, Fan QH, Li H. [Sclerosing perineurioma of the left hand middle finger: report of a case]. Zhonghua Bing Li Xue Za Zhi 2021; 50:1387-1389. [PMID: 34865433 DOI: 10.3760/cma.j.cn112151-20210501-00337] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Affiliation(s)
- H Gao
- Department of Pathology, Nanjing Maternity and Child Health Care Hospital, Nanjing 210001, China
| | - H X Li
- Department of Pathology, the First Affiliated Hospital of Nanjing Medical University, Nanjing 210029, China
| | - M N Li
- Department of Pathology, the First Affiliated Hospital of Nanjing Medical University, Nanjing 210029, China
| | - Q H Fan
- Department of Pathology, the First Affiliated Hospital of Nanjing Medical University, Nanjing 210029, China
| | - H Li
- Department of Pathology, the First Affiliated Hospital of Nanjing Medical University, Nanjing 210029, China
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Sun Y, Zhang J, Wang Y, Wang L, Song M, Khan A, Zhang L, Niu B, Zhao H, Li M, Luo T, He Q, Xie X, Liu Z, Xie J. miR-222-3p is involved in neural tube closure by directly targeting Ddit4 in RA induced NTDs mouse model. Cell Cycle 2021; 20:2372-2386. [PMID: 34779712 DOI: 10.1080/15384101.2021.1982506] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022] Open
Abstract
Previously our results showed miR-222-3p was significantly downregulated in retinoic acid-induced neural tube defect (NTD) mouse model through transcriptome. Down-regulation of miR-222-3p may be a causative biomarker in NTDs. In this study, RNA was extracted from mouse embryos at E8.5, E9.5 and E10.5, and the expression level of miR-222-3p was measured by quantitative real-time PCR analysis. The preliminary mechanism of miR-222-3p in NTDs involved in cell proliferation, apoptosis and migration was investigated in mouse HT-22 cell line. The expression of miR-222-3p was significantly decreased at E8.5, E9.5 and E10.5 developed in mouse embryos which were consistent with our transcriptome sequencing. Suppression of miR-222-3p in HT-22 cells resulted in the inhibition of cell proliferation and migration, cell cycle and apoptosis. Moreover, DNA damage transcript 4 (Ddit4) was identified as a direct and functional target of miR-222-3p. miR-222-3p is negatively regulated by Ddit4. The mutation of binding site of Ddit4 3'UTR abrogated the responsiveness of luciferase reporters to miR-222-3p and showed that Ddit4 expression partially attenuated the function of miR-222-3p. We preliminatively confirmed that low expression of miR-222-3p has reduced the expression of β-catenin, TCF4 and other related genes in the Wnt/β-catenin signaling pathway.Collectively, these results demonstrated that miR-222-3p regulates the Wnt/β-catenin signaling pathway through Ddit4 inhibition in HT-22 cells, resulted in cell proliferation and apoptosis imbalance, and thus led to neural tube defects.
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Affiliation(s)
- Yuqing Sun
- Department of Biochemistry and Molecular Biology, Shanxi Key Laboratory of Birth, Defect and Cell Regeneration, Shanxi Medical University, Taiyuan, Shanxi, China
| | - Juan Zhang
- Department of Biochemistry and Molecular Biology, Shanxi Key Laboratory of Birth, Defect and Cell Regeneration, Shanxi Medical University, Taiyuan, Shanxi, China
| | - Yufei Wang
- Department of Biochemistry and Molecular Biology, Shanxi Key Laboratory of Birth, Defect and Cell Regeneration, Shanxi Medical University, Taiyuan, Shanxi, China
| | - Lei Wang
- Department of Biochemistry and Molecular Biology, Shanxi Key Laboratory of Birth, Defect and Cell Regeneration, Shanxi Medical University, Taiyuan, Shanxi, China
| | - Meiyan Song
- Department of Biochemistry and Molecular Biology, Shanxi Key Laboratory of Birth, Defect and Cell Regeneration, Shanxi Medical University, Taiyuan, Shanxi, China
| | - Ajab Khan
- Department of Biochemistry and Molecular Biology, Shanxi Key Laboratory of Birth, Defect and Cell Regeneration, Shanxi Medical University, Taiyuan, Shanxi, China
| | - Li Zhang
- Department of Biochemistry and Molecular Biology, Shanxi Key Laboratory of Birth, Defect and Cell Regeneration, Shanxi Medical University, Taiyuan, Shanxi, China
| | - Bo Niu
- Department of Biochemistry and Molecular Biology, Shanxi Key Laboratory of Birth, Defect and Cell Regeneration, Shanxi Medical University, Taiyuan, Shanxi, China
| | - Hong Zhao
- Department of Biochemistry and Molecular Biology, Shanxi Key Laboratory of Birth, Defect and Cell Regeneration, Shanxi Medical University, Taiyuan, Shanxi, China
| | - Meining Li
- Department of Biochemistry and Molecular Biology, Shanxi Key Laboratory of Birth, Defect and Cell Regeneration, Shanxi Medical University, Taiyuan, Shanxi, China
| | - Tiane Luo
- Department of Statistics, Shanxi Medical University, Taiyuan, Shanxi, China
| | - Qiwei He
- Department of Biochemistry and Molecular Biology, Shanxi Key Laboratory of Birth, Defect and Cell Regeneration, Shanxi Medical University, Taiyuan, Shanxi, China
| | - Xianghui Xie
- Municipal Key Laboratory of Child Development and Nutriomic, Capital Institute of Pediatrics, Beijing, China
| | - Zhizhen Liu
- Department of Biochemistry and Molecular Biology, Shanxi Key Laboratory of Birth, Defect and Cell Regeneration, Shanxi Medical University, Taiyuan, Shanxi, China
| | - Jun Xie
- Department of Biochemistry and Molecular Biology, Shanxi Key Laboratory of Birth, Defect and Cell Regeneration, Shanxi Medical University, Taiyuan, Shanxi, China
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13
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Gong T, Wang X, Ma Q, Li J, Li M, Huang Y, Liang W, Su D, Guo R. Triformyl cholic acid and folic acid functionalized magnetic graphene oxide nanocomposites: Multiple-targeted dual-modal synergistic chemotherapy/photothermal therapy for liver cancer. J Inorg Biochem 2021; 223:111558. [PMID: 34329998 DOI: 10.1016/j.jinorgbio.2021.111558] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [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: 03/27/2021] [Revised: 07/18/2021] [Accepted: 07/18/2021] [Indexed: 02/02/2023]
Abstract
Photo-chemotherapy (PCT) reveals great potential in hepatocellular carcinoma (HCC) treatment, therefore the construct of smart PCT nano-agents with high photothermal conversion efficiency and accurate drug delivery is of great significant. Herein, a novel hybrid nanomaterial MGO-TCA-FA has been designed and constructed by grafting the triformyl cholic acid (TCA) and folic acid (FA) on the surface of Fe3O4 modified graphene oxide (MGO). The doxorubicin hydrochloride (DOX) as a model drug could be effectively loaded on the MGO-TCA-FA via hydrogen bonding and π-π stacking (the drug loading amount was 1040 mg/g). The formed MGO-TCA-FA@DOX has been developed to be an effective PCT nanoplatform with the advantages of multiple-targeted drug delivery, near-infrared light (NIR) and pH triggered drug release, and photothermal conversion efficiency. In vitro experiments showed that compared with other cancer cells and normal liver cells, MGO-TCA-FA@DOX could specifically target liver cancer cells and presented significant killing ability to liver cancer cells. More importantly, in vivo experiments indicated that PCT synergistic therapy (MGO-TCA-FA@DOX) revealed the best tumor inhibition (the tumor inhibition rate was about 85%) compared with chemotherapy and photothermal therapy alone. Thus, this study supplied a viable multiple-targeted PCT nano-agent for chemo-photothermal combination therapy of liver cancer.
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Affiliation(s)
- Tao Gong
- Department of Biochemistry and Molecular Biology, Shanxi Medical University, Taiyuan 030001, China
| | - Xiaoyu Wang
- Department of Biochemistry and Molecular Biology, Shanxi Medical University, Taiyuan 030001, China
| | - Qing Ma
- Department of Biochemistry and Molecular Biology, Shanxi Medical University, Taiyuan 030001, China
| | - Jing Li
- Institute of Environmental Science, Department of Chemistry, Shanxi University, Taiyuan 030006, China
| | - Meining Li
- Department of Biochemistry and Molecular Biology, Shanxi Medical University, Taiyuan 030001, China
| | - Yu Huang
- Institute of Environmental Science, Department of Chemistry, Shanxi University, Taiyuan 030006, China
| | - Wenting Liang
- Institute of Environmental Science, Department of Chemistry, Shanxi University, Taiyuan 030006, China.
| | - Dan Su
- Department of Biochemistry and Molecular Biology, Shanxi Medical University, Taiyuan 030001, China
| | - Rui Guo
- Department of Biochemistry and Molecular Biology, Shanxi Medical University, Taiyuan 030001, China.
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14
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Mfoundou JDL, Guo YJ, Liu MM, Ran XR, Fu DH, Yan ZQ, Li MN, Wang XR. The morphological and histological study of chicken left ovary during growth and development among Hy-line brown layers of different ages. Poult Sci 2021; 100:101191. [PMID: 34242943 PMCID: PMC8271164 DOI: 10.1016/j.psj.2021.101191] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [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: 01/21/2021] [Revised: 03/25/2021] [Accepted: 04/05/2021] [Indexed: 10/25/2022] Open
Abstract
Chicken ovaries are known to develop asymmetrically and only the left ovary fully develops. Although both have been greatly investigated, a gap in scientific reports is still felt between 2-mo-old and sexual maturity. In this study, we aimed at investigating the changes in components that occur during growth to analyze the morphohistological correlation between the left ovary and the follicle development at different age stages in Gallus domesticus. The ovaries were harvested from 60 chickens aged 1 and 3-wk-old, 1, 2, 3, and 4-mo-old (n = 10 per age group), then fixed in AAF solution. Hematoxylin-and Eosin protocol was used to stain the tissue for microscopic observations. Results revealed that the left ovary exhibited an ovarian tissue, a site of follicular growth that displayed various shapes from smooth to greatly indented as the follicles differentiated. Atretic follicles at various regression stages were noticed frequently as the chicks grew in age from 3-wk-old onward along with their differentiation. Rete ovarii, remnants from the male homologs were observed throughout the whole study showing epoöphoron, connecting rete, and gland-like structures that tend to diminish with age. The feature of the left ovary is closely related to the follicular developmental stage, and the bigger and differentiated the follicles are, the more indented and irregular its epithelium appears. Atresia is a normal physiological process that we observed throughout the whole study. Also that, rete ovarii do not spontaneously arise in the ovary but it develops and grows in juvenile chicken as well as in adult ones.
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Affiliation(s)
- J D L Mfoundou
- College of Animal Science and Technology, Gansu Agricultural University, No. 1, Yingmen Village, Bei Binhe West Road, Anning District, Lanzhou, Gansu Province 730070, China
| | - Y J Guo
- College of Animal Science and Technology, Gansu Agricultural University, No. 1, Yingmen Village, Bei Binhe West Road, Anning District, Lanzhou, Gansu Province 730070, China
| | - M M Liu
- College of Animal Science and Technology, Gansu Agricultural University, No. 1, Yingmen Village, Bei Binhe West Road, Anning District, Lanzhou, Gansu Province 730070, China
| | - X R Ran
- College of Animal Science and Technology, Gansu Agricultural University, No. 1, Yingmen Village, Bei Binhe West Road, Anning District, Lanzhou, Gansu Province 730070, China
| | - D H Fu
- College of Animal Science and Technology, Gansu Agricultural University, No. 1, Yingmen Village, Bei Binhe West Road, Anning District, Lanzhou, Gansu Province 730070, China
| | - Z Q Yan
- College of Animal Science and Technology, Gansu Agricultural University, No. 1, Yingmen Village, Bei Binhe West Road, Anning District, Lanzhou, Gansu Province 730070, China
| | - M N Li
- College of Animal Science and Technology, Gansu Agricultural University, No. 1, Yingmen Village, Bei Binhe West Road, Anning District, Lanzhou, Gansu Province 730070, China
| | - X R Wang
- College of Animal Science and Technology, Gansu Agricultural University, No. 1, Yingmen Village, Bei Binhe West Road, Anning District, Lanzhou, Gansu Province 730070, China.
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15
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Niu Y, Wang X, Li M, Niu B. Exosomes from human umbilical cord Mesenchymal stem cells attenuates stress-induced hippocampal dysfunctions. Metab Brain Dis 2020; 35:1329-1340. [PMID: 32761493 DOI: 10.1007/s11011-019-00514-0] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [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: 09/09/2019] [Accepted: 11/05/2019] [Indexed: 12/30/2022]
Abstract
Human Mesenchymal Stem Cells (MSCs) especially human umbilical cord MSCs is the novel regenerative cell resource for regenerative therapy. However, the biological underpinning of MSCs in neuroprotections requires deep understanding. Exosomes is an important biological factor due to its multiple types of contents with various biological function. In current study, we collected the exosome from umbilical cord mesenchymal stem cells (hUC-MSCs) and tested the neuroprotective effects to brain stress. Proteomic analysis indicates significant enriched protein components display the functions in metabolic regulation. We then injected the exosome (MSC-Ex) to adult mice by i.v injection. On physiological level, treatment of MSC-Ex increased the adiponectin level in peripheral central nervous system (CNS). Moreover, MSC-Ex significantly accelerated the differentiation of adult neural stem cells but did not benefit the related cognitive behavior. We then created acute brain disorder model with STZ intra-hippocampal injection. Compared with STZ group, treatment of MSC-Ex improved cognitive function. Moreover, MSC-Ex promotes hippocampal neurogenesis that was suppressed by STZ injection. In conclusion, hUC-MSCs derived exosome would exert the neural regenerative effects associating with its metabolism regulatory capacity.
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Affiliation(s)
- Yuhu Niu
- Department of Biochemistry and Molecular Biology, Shanxi Medical University, 56, Xinjian South Rd., Taiyuan, China
| | - Xiuwei Wang
- Department of Biotechnology, Capital Institute of Pediatric, Beijing, China
| | - Meining Li
- Department of Biochemistry and Molecular Biology, Shanxi Medical University, 56, Xinjian South Rd., Taiyuan, China
| | - Bo Niu
- Department of Biochemistry and Molecular Biology, Shanxi Medical University, 56, Xinjian South Rd., Taiyuan, China.
- Department of Biotechnology, Capital Institute of Pediatric, Beijing, China.
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16
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Jia S, Zhang L, Zhang K, Wang L, Khan A, Zhang J, Sun Y, Wang Y, Song M, Lyu Y, Li M, Lu X, Niu B, Liu Z, Xie J. Nkx2.1 downregulation is involved in brain abnormality induced by excess retinoic acid. Acta Biochim Biophys Sin (Shanghai) 2020; 52:683-690. [PMID: 32445470 DOI: 10.1093/abbs/gmaa037] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [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: 11/06/2019] [Revised: 03/12/2020] [Accepted: 03/29/2020] [Indexed: 11/13/2022] Open
Abstract
Abnormal development of central nervous system (CNS) caused by neural tube defects is not only a major contributor in the prevalence of stillbirths and neonatal deaths but also causes lifelong physical disability in surviving infants. Due to insufficient known investigated causes, CNS developmental abnormality has brought sever burden on health around the world. From previous results of high throughput transcriptome sequencing, we selected transcription factor Nkx2.1 as a candidate to investigate its role on brain abnormalities induced by excessive retinoic acid. The result of in situ hybridization showed that Nkx2.1 was mainly expressed in mouse brain. After the Nkx2.1 gene was silenced, retarded proliferation and accelerated apoptosis were found in mouse Neuro-2a (N2a) cells. Furthermore, our results indicated that the main components of sonic hedgehog (Shh) signaling pathway were affected in Nkx2.1-silenced cells, implying that Nkx2.1 plays an important role in the development of mouse brain by regulating Shh signaling pathway.
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Affiliation(s)
- Sansan Jia
- Department of Biochemistry and Molecular Biology, Shanxi Key Laboratory of Birth Defect and Cell Regeneration, Shanxi Medical University, Taiyuan 030001, China
- State Key Laboratory of Military Stomatology, Department of Oral & Maxillofacial Surgery, The Fourth Military Medical University, Xi’an 710032, China
| | - Li Zhang
- Department of Biochemistry and Molecular Biology, Shanxi Key Laboratory of Birth Defect and Cell Regeneration, Shanxi Medical University, Taiyuan 030001, China
| | - Kaili Zhang
- Department of Biochemistry and Molecular Biology, Shanxi Key Laboratory of Birth Defect and Cell Regeneration, Shanxi Medical University, Taiyuan 030001, China
| | - Lei Wang
- Department of Biochemistry and Molecular Biology, Shanxi Key Laboratory of Birth Defect and Cell Regeneration, Shanxi Medical University, Taiyuan 030001, China
| | - Ajab Khan
- Department of Biochemistry and Molecular Biology, Shanxi Key Laboratory of Birth Defect and Cell Regeneration, Shanxi Medical University, Taiyuan 030001, China
| | - Juan Zhang
- Department of Biochemistry and Molecular Biology, Shanxi Key Laboratory of Birth Defect and Cell Regeneration, Shanxi Medical University, Taiyuan 030001, China
| | - Yuqing Sun
- Department of Biochemistry and Molecular Biology, Shanxi Key Laboratory of Birth Defect and Cell Regeneration, Shanxi Medical University, Taiyuan 030001, China
| | - Yufei Wang
- Department of Biochemistry and Molecular Biology, Shanxi Key Laboratory of Birth Defect and Cell Regeneration, Shanxi Medical University, Taiyuan 030001, China
| | - Meiyan Song
- Department of Biochemistry and Molecular Biology, Shanxi Key Laboratory of Birth Defect and Cell Regeneration, Shanxi Medical University, Taiyuan 030001, China
| | - Yi Lyu
- Department of Biochemistry and Molecular Biology, Shanxi Key Laboratory of Birth Defect and Cell Regeneration, Shanxi Medical University, Taiyuan 030001, China
| | - Meining Li
- Department of Biochemistry and Molecular Biology, Shanxi Key Laboratory of Birth Defect and Cell Regeneration, Shanxi Medical University, Taiyuan 030001, China
| | - Xin Lu
- Department of Biochemistry and Molecular Biology, Shanxi Key Laboratory of Birth Defect and Cell Regeneration, Shanxi Medical University, Taiyuan 030001, China
| | - Bo Niu
- Department of Biotechnology, Beijing Municipal Key Laboratory of Child Development and Nutriomics, Capital Institute of Pediatrics, Beijing 100020, China
| | - Zhizhen Liu
- Department of Biochemistry and Molecular Biology, Shanxi Key Laboratory of Birth Defect and Cell Regeneration, Shanxi Medical University, Taiyuan 030001, China
| | - Jun Xie
- Department of Biochemistry and Molecular Biology, Shanxi Key Laboratory of Birth Defect and Cell Regeneration, Shanxi Medical University, Taiyuan 030001, China
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17
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Jin K, Li MN, Li S, Li J, Chen N. [Hepatic inflammatory pseudotumor-like follicular dendritic cell sarcoma]. Zhonghua Gan Zang Bing Za Zhi 2020; 28:172-174. [PMID: 32164072 DOI: 10.3760/cma.j.issn.1007-3418.2020.02.015] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- K Jin
- Department of Infectious Diseases, the First Affiliated Hospital with Nanjing Medical University, Nanjing 210029, China
| | - M N Li
- Department of Pathology, the First Affiliated Hospital with Nanjing Medical University, Nanjing 210029, China
| | - S Li
- Department of Infectious Diseases, the First Affiliated Hospital with Nanjing Medical University, Nanjing 210029, China
| | - J Li
- Department of Infectious Diseases, the First Affiliated Hospital with Nanjing Medical University, Nanjing 210029, China
| | - N Chen
- Department of Infectious Diseases, the First Affiliated Hospital with Nanjing Medical University, Nanjing 210029, China
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18
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Li M, Li H, Yang H, Cheng R, Zheng P, Guo R. Comparative proteomic analysis of round and elongated spermatids during spermiogenesis in mice. Biomed Chromatogr 2020; 34:e4799. [DOI: 10.1002/bmc.4799] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2019] [Revised: 01/01/2020] [Accepted: 01/24/2020] [Indexed: 12/19/2022]
Affiliation(s)
- Meining Li
- Department of Biochemistry and Molecular BiologyShanxi Medical University Taiyuan Shanxi China
| | - Huahua Li
- Department of Biochemistry and Molecular BiologyShanxi Medical University Taiyuan Shanxi China
| | - Hong Yang
- Center of Reproductive MedicineChildren's Hospital of Shanxi and Women Health Center of Shanxi Taiyuan Shanxi China
| | - Rina Cheng
- Department of Biochemistry and Molecular BiologyShanxi Medical University Taiyuan Shanxi China
| | - Pengdou Zheng
- Department of Biochemistry and Molecular BiologyShanxi Medical University Taiyuan Shanxi China
| | - Rui Guo
- Department of Biochemistry and Molecular BiologyShanxi Medical University Taiyuan Shanxi China
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19
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Li MN, Zhao L, Li XH, Zhou HA, Huang XH, Liu ZH, Cheng Z. [Autologous peripheral blood stem cell transplantation combined with bortezomib and dexamethasone for the treatment of light chain proximal tubulopathy: a case report]. Zhonghua Xue Ye Xue Za Zhi 2019; 40:703. [PMID: 31495145 PMCID: PMC7342878 DOI: 10.3760/cma.j.issn.0253-2727.2019.08.019] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Download PDF] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Affiliation(s)
- M N Li
- Department of Nephrology, Jinling Hospital, Nanjing Medical University, Nanjing 210002, China
| | - L Zhao
- National Clinical Research Center of Kidney Diseases, Jinling Hospital, Nanjing 210002, China
| | - X H Li
- National Clinical Research Center of Kidney Diseases, Jinling Hospital, Nanjing 210002, China
| | - H A Zhou
- National Clinical Research Center of Kidney Diseases, Jinling Hospital, Nanjing 210002, China
| | - X H Huang
- National Clinical Research Center of Kidney Diseases, Jinling Hospital, Nanjing 210002, China
| | - Z H Liu
- Department of Nephrology, Jinling Hospital, Nanjing Medical University, Nanjing 210002, China
| | - Z Cheng
- National Clinical Research Center of Kidney Diseases, Jinling Hospital, Nanjing 210002, China
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20
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Li MN, Hu ZM, Pang Y, Wu SX, Zhang Q, Su RB, Li QQ, Wu JY, Wang D, Yu XJ. Liver Tissue-related Metabolic Mechanism of Different Infusion Volumes for Hemorrhagic Shock. Fa Yi Xue Za Zhi 2019; 34:625-630. [PMID: 30896100 DOI: 10.12116/j.issn.1004-5619.2018.06.010] [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] [Received: 03/11/2017] [Indexed: 11/30/2022]
Abstract
OBJECTIVES To investigate the curative effects of various infusion volumes on liver-related metabolic mechanism in the treatment of hemorrhagic shock. METHODS A severe hemorrhagic shock rabbit model was established in 30 rabbits. The rabbits were randomly divided into three groups: non-infusion group (A), conventional infusion group (B), and excessive infusion group (C) (n=10 in each group). Taking group B as the control, groups A and C were observed for the damage of non-infusion and excessive infusion, respectively. The outcomes in the three groups and their relations with liver tissue metabolism changes were analyzed with gas chromatograph-mass spectrometer (GC-MS). RESULTS The mortality in groups A, B, and C group were 80%, 0%, and 70%, respectively. The liver tissue metabolic profile in group B showed statistically significant difference compared with that in groups A and B. In group C, the levels of 21 metabolites were lower than those in group B, and the levels of 8 metabolites were lower than those in group A. The relative contents of various metabolites were correlated with infusion volumes, and the succinic acid content was associated with death events (P<0.05). CONCLUSIONS The conventional infusion has significant curative effect on hemorrhagic shock. The metabolites of liver tissues with excessive infusion are generally decompensated and have longer survival time than those in non-infusion group, which may caused by the excessive infusion-induced blood volume increase after hemorrhagic shock. Tissue fluid dilution is an important cause of death.
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Affiliation(s)
- M N Li
- Department of Forensic Pathology, Medical College, Shantou University, Shantou 515041, Guangdong Province, China
| | - Z M Hu
- Department of Forensic Pathology, Medical College, Shantou University, Shantou 515041, Guangdong Province, China
| | - Y Pang
- Department of Forensic Pathology, Medical College, Shantou University, Shantou 515041, Guangdong Province, China
| | - S X Wu
- Department of Forensic Pathology, Medical College, Shantou University, Shantou 515041, Guangdong Province, China
| | - Q Zhang
- Department of Forensic Pathology, Medical College, Shantou University, Shantou 515041, Guangdong Province, China
| | - R B Su
- Department of Forensic Pathology, Medical College, Shantou University, Shantou 515041, Guangdong Province, China
| | - Q Q Li
- Department of Forensic Pathology, Medical College, Shantou University, Shantou 515041, Guangdong Province, China
| | - J Y Wu
- Department of Forensic Pathology, Medical College, Shantou University, Shantou 515041, Guangdong Province, China
| | - D Wang
- Department of Forensic Pathology, Medical College, Shantou University, Shantou 515041, Guangdong Province, China
| | - X J Yu
- Department of Forensic Pathology, Medical College, Shantou University, Shantou 515041, Guangdong Province, China
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21
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Du XL, Gao H, Li MN, Li X, Fan QH, Pan MH. [Gliosarcoma with multi-directional differentiation: report of a case]. Zhonghua Bing Li Xue Za Zhi 2018; 47:870-872. [PMID: 30423616 DOI: 10.3760/cma.j.issn.0529-5807.2018.11.014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
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22
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Lv CY, Li MN, Zhang LR, Liu ZM. [Construction of chemical information database based on optical structure recognition technique]. Beijing Da Xue Xue Bao Yi Xue Ban 2018; 50:352-357. [PMID: 29643539] [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: 06/08/2023]
Abstract
OBJECTIVE To create a protocol that could be used to construct chemical information database from scientific literature quickly and automatically. METHODS Scientific literature, patents and technical reports from different chemical disciplines were collected and stored in PDF format as fundamental datasets. Chemical structures were transformed from published documents and images to machine-readable data by using the name conversion technology and optical structure recognition tool CLiDE. In the process of molecular structure information extraction, Markush structures were enumerated into well-defined monomer molecules by means of QueryTools in molecule editor ChemDraw. Document management software EndNote X8 was applied to acquire bibliographical references involving title, author, journal and year of publication. Text mining toolkit ChemDataExtractor was adopted to retrieve information that could be used to populate structured chemical database from figures, tables, and textual paragraphs. After this step, detailed manual revision and annotation were conducted in order to ensure the accuracy and completeness of the data. In addition to the literature data, computing simulation platform Pipeline Pilot 7.5 was utilized to calculate the physical and chemical properties and predict molecular attributes. Furthermore, open database ChEMBL was linked to fetch known bioactivities, such as indications and targets. After information extraction and data expansion, five separate metadata files were generated, including molecular structure data file, molecular information, bibliographical references, predictable attributes and known bioactivities. Canonical simplified molecular input line entry specification as primary key, metadata files were associated through common key nodes including molecular number and PDF number to construct an integrated chemical information database. RESULTS A reasonable construction protocol of chemical information database was created successfully. A total of 174 research articles and 25 reviews published in Marine Drugs from January 2015 to June 2016 collected as essential data source, and an elementary marine natural product database named PKU-MNPD was built in accordance with this protocol, which contained 3 262 molecules and 19 821 records. CONCLUSION This data aggregation protocol is of great help for the chemical information database construction in accuracy, comprehensiveness and efficiency based on original documents. The structured chemical information database can facilitate the access to medical intelligence and accelerate the transformation of scientific research achievements.
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Affiliation(s)
- C Y Lv
- State Key Laboratory of Natural and Biomimetic Drugs, Peking University School of Pharmaceutical Sciences, Beijing 100191, China
| | - M N Li
- State Key Laboratory of Natural and Biomimetic Drugs, Peking University School of Pharmaceutical Sciences, Beijing 100191, China
| | - L R Zhang
- State Key Laboratory of Natural and Biomimetic Drugs, Peking University School of Pharmaceutical Sciences, Beijing 100191, China
| | - Z M Liu
- State Key Laboratory of Natural and Biomimetic Drugs, Peking University School of Pharmaceutical Sciences, Beijing 100191, China
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23
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Chen Y, Li MN, Cao CY, Zhu XL, Sui XH. Cortical response of the projected-thumb tactile sensation under TENS by MEG. Annu Int Conf IEEE Eng Med Biol Soc 2017; 2017:509-512. [PMID: 29059921 DOI: 10.1109/embc.2017.8036873] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
The existence of projected finger territories (PFTs) near the stump provides an essential way to realize the tactile sensation of lost fingers by transcutaneous electrical nerve stimulation (TENS). After amputation, the somatosensory cortex corresponding to lost fingers might be invaded by other cortical areas due to cortical plasticity. However, it was seldom observed how the amputees could feel the projected or lost finger tactile sensation in the cerebral cortex under TENS. To answer this question, by using magnetoencephalography (MEG), we investigated the cortical response under TENS of the projected thumb territory and normal thumb with 2 Hz current pulses. One subject with long-term left forearm amputation was recruited. The temporal and spatial characteristics of the activated cortical magnetic signals were analyzed. The Equivalent Current Dipoles (ECDs) corresponding to the strongest strength were mapped in the cerebral cortex, and the current density distribution were clearly illustrated. We found that the latencies at the maximum ECD strength were 60 ± 1.41 ms for the projected thumb and 46 ± 1.25 ms for the normal counterpart. The strongest ECD corresponding to projected thumb was located in the central sulcus near the mirror location of the normal thumb counterpart. And the response strengths of projected thumb cortex were stronger than normal thumb counterpart.
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Li MN, Guo X, Bao PJ, Wu XY, Ding XZ, Chu M, Liang CN, Yan P. Association of genetic variations in the ACLY gene with growth traits in Chinese beef cattle. Genet Mol Res 2016; 15:gmr8250. [PMID: 27421004 DOI: 10.4238/gmr.15028250] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [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
ATP citrate lyase (ACLY) is the primary enzyme responsible for the synthesis of cytosolic acetyl-CoA, which is a key precursor of both fatty acid and mevalonate synthesis pathways. Genetic variation of the ACLY gene may influence multiple traits associated with animal production. Here, we identified three non-synonymous mutations in ACLY exons in five beef cattle populations using DNA pool sequencing and high-resolution melting analysis. Results from association analyses revealed that the single nucleotide polymorphism (SNP) g.17127C>T is significantly associated with chest girth (P < 0.01) and body height (P < 0.05) in the Fleckvieh x Zhangye local crossbred cattle, and with body slanting length (P < 0.05) in the Simmental x Guyuan local crossbred cattle. SNP g.40427T>C is significantly associated with an increase in chest girth (P < 0.05) in the Simmental x Huzhu cattle population. These results provide preliminary evidence that polymorphisms in the bovine ACLY gene are associated with growth traits in beef cattle in northwest China. However, a larger sample set is needed to validate these findings.
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Affiliation(s)
- M N Li
- Key Laboratory for Yak Breeding Engineering of Gansu Province, Lanzhou Institute of Husbandry and Pharmaceutical Sciences, Chinese Academy of Agricultural Sciences, Lanzhou, China
| | - X Guo
- Key Laboratory for Yak Breeding Engineering of Gansu Province, Lanzhou Institute of Husbandry and Pharmaceutical Sciences, Chinese Academy of Agricultural Sciences, Lanzhou, China
| | - P J Bao
- Key Laboratory for Yak Breeding Engineering of Gansu Province, Lanzhou Institute of Husbandry and Pharmaceutical Sciences, Chinese Academy of Agricultural Sciences, Lanzhou, China
| | - X Y Wu
- Key Laboratory for Yak Breeding Engineering of Gansu Province, Lanzhou Institute of Husbandry and Pharmaceutical Sciences, Chinese Academy of Agricultural Sciences, Lanzhou, China
| | - X Z Ding
- Key Laboratory for Yak Breeding Engineering of Gansu Province, Lanzhou Institute of Husbandry and Pharmaceutical Sciences, Chinese Academy of Agricultural Sciences, Lanzhou, China
| | - M Chu
- Key Laboratory for Yak Breeding Engineering of Gansu Province, Lanzhou Institute of Husbandry and Pharmaceutical Sciences, Chinese Academy of Agricultural Sciences, Lanzhou, China
| | - C N Liang
- Key Laboratory for Yak Breeding Engineering of Gansu Province, Lanzhou Institute of Husbandry and Pharmaceutical Sciences, Chinese Academy of Agricultural Sciences, Lanzhou, China
| | - P Yan
- Key Laboratory for Yak Breeding Engineering of Gansu Province, Lanzhou Institute of Husbandry and Pharmaceutical Sciences, Chinese Academy of Agricultural Sciences, Lanzhou, China
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Zhang Y, Lan X, Wang S, Li M, Liu Z, Shen J, Shi S, Zhang Y, Xie J, Cheng N. [Preparation and identification of DNA G-quadruplex antibody]. Xi Bao Yu Fen Zi Mian Yi Xue Za Zhi 2015; 31:977-981. [PMID: 26146071] [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] [Indexed: 06/04/2023]
Abstract
OBJECTIVE To construct a prokaryotic expression plasmid of DNA G-quadruplex antibody, express it in E.coli BL21 (DE3) bacterial expression system, purify and identify the antibody. METHODS Chemically synthesized BG4 gene of DNA G-quadruplex antibodies was inserted into pSANG10 plasmid to construct DNA G-quadruplex antibody expression vector pSANG10-BG4. BL21 (DE3) as the host strain was utilized for self-induced expression of the protein. Osmotic lysis method was used for collecting this protein. Thereafter, the protein was purified by histidine tag affinity chromatography and identified by SDS-PAGE and Western blotting. The function of this protein was verified in SW480 colon cancer cells. RESULTS Double enzyme digestion and gene sequencing confirmed that DNA G-quadruplex antibody expression vector was successfully constructed. The relative molecular mass (Mr) of this protein was 30 000 to 37 000. The protein in a soluble form was expressed in the periplasm of BL21. The protein was of the same size as expected. CONCLUSION The DNA G-quadruplex antibody has been successfully prepared.
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Affiliation(s)
- Yiqiang Zhang
- Department of Biochemistry and Molecular Biology, Shanxi Medical University, Taiyuan 030001; Department of Biochemistry, Changzhi Medical College, Changzhi 046000, China
| | - Xiaoyu Lan
- Department of Biochemistry and Molecular Biology, Shanxi Medical University, Taiyuan 030001, China
| | - Shuang Wang
- Department of Biochemistry and Molecular Biology, Shanxi Medical University, Taiyuan 030001, China
| | - Meining Li
- Department of Biochemistry and Molecular Biology, Shanxi Medical University, Taiyuan 030001, China
| | - Zhirong Liu
- Department of Biochemistry and Molecular Biology, Shanxi Medical University, Taiyuan 030001, China
| | - Jinyan Shen
- Department of Biochemistry and Molecular Biology, Shanxi Medical University, Taiyuan 030001, China
| | - Shuaishuai Shi
- Department of Nephrology, Heji Hospital, Changzhi Medical College, Changzhi 046011, China
| | - Yuehong Zhang
- Department of Biochemistry and Molecular Biology, Shanxi Medical University, Taiyuan 030001, China
| | - Jun Xie
- Department of Biochemistry and Molecular Biology, Shanxi Medical University, Taiyuan 030001, China
| | - Niuliang Cheng
- Department of Biochemistry and Molecular Biology, Shanxi Medical University, Taiyuan 030001, China
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Li M, Xie J, Cheng L, Chang B, Wang Y, Lan X, Zhang D, Yin Y, Cheng N. Suppression of invasive properties of colorectal carcinoma SW480 cells by 15-hydroxyprostaglandin dehydrogenase gene. Cancer Invest 2008; 26:905-12. [PMID: 19034772 DOI: 10.1080/07357900802146154] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
Colorectal carcinoma (CRC) is often lethal when invasion and/or metastasis occur. NAD(+)-dependent 15-hydroxyprostaglandin dehydrogenase (15-PGDH), an enzyme involved in prostaglandin (including PGE(2)) bio-inactivation, is down-expressed in several epithelial malignancies including CRC. Although its role in the suppression of colon tumorigenesis has been well learned, little is known about the role of 15-PGDH in the process of tumor metastasis. Here, we tested the hypothesis that 15-PGDH over-expression in CRC cells results in decreased cell motility and invasion. In this study, 15-PGDH was re-expressed in SW480 cells by the use of gene transient transfection with eukaryotic expression vector pcDNA3.1-PGDH. We confirmed the over-expression of 15-PGDH protein by Western blot and enzymatic activity assay. The cell motility was tested by counting the number of cells crossing an 8-micron pore size PET membrane and by measuring cells migration distance through wound healing assay. Furthermore, cell invasive activity was evaluated by counting the number of cells invading through a Matrigel-coated membrane simulating basement membrane. The effects of 15-PGDH on the adhesion were investigated by MTT assay. Ectopic expression of 15-PGDH in SW480 cancer cells significantly inhibited the cell migratory and invasive capacity in vitro by approximately 1.9- and 8.4-fold, respectively. To test the hypothesis that 15-PGDH affects proteases and inactivates extracellular matrix (ECM), Western blot and gelatin zymography were performed by using serum-free conditioned medium. The results showed that re-expression of 15-PGDH suppresed matrix metalloproteinase-2 (MMP2) synthesis and secretion. In addition, the analysis of the MMP2 activity indicated that re-expression of 15-PGDH could inhibit activation of MMP2. Furthermore, we found that 15-PGDH inhibited cell adhesion to ECM and reduced CD44 expression in SW480 cell. Taken together, these results suggest that induced 15-PGDH expression may contribute to the inhibition of the invasive and metastatic capacity of colon cancer cells in vitro.
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Affiliation(s)
- Meining Li
- Department of Biochemistry and Molecular Biology, Shanxi Medical University, Taiyuan City, People's Republic of China
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Huang G, Hu Z, Li M, Cui Y, Li Y, Guo L, Jiang W, Lu SH. ECRG2 inhibits cancer cell migration, invasion and metastasis through the down-regulation of uPA/plasmin activity. Carcinogenesis 2007; 28:2274-81. [PMID: 17602171 DOI: 10.1093/carcin/bgm140] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
The esophageal cancer-related gene 2 (ECRG2) is a novel gene that shows sequence similarity to KAZAL-type serine protease inhibitor. In this study, the migration and invasion of PG cancer cells were inhibited by ectopic expression of ECRG2 in vitro, and metastases decreased after injecting PG/pcDNA3.1-ECRG2 cells into the tail veins of nude mice. Control mice were injected with PG/pcDNA3.1 cells. To test the hypothesis that ECRG2 interacts with proteases and inactivates extracellular matrix degradation, binding affinity and co-immunoprecipitation experiments were performed using serum-free conditioned medium. The results showed that ECRG2 bound to two species of urokinase-type plasminogen activator (uPA) with molecular weights of 55 and 33 kDa. Furthermore, analysis of the uPA/plasmin activity showed that expression of ECRG2 reduced proteolysis of the plasmin substrate D-Val-Phe-Lys-p-nitroanilide, which was seen by a decrease of absorbance at 405 nm. Taken together, these results suggested that ECRG2 inhibits aggressiveness of cancer cell, possibly through the down-regulation of uPA/plasmin activity.
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Affiliation(s)
- Ge Huang
- Department of Etiology and Carcinogenesis, Cancer Institute, Peking Union Medical College and Chinese Academy of Medical Sciences, Beijing 100021, China
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Li MN, Huang G, Guo LP, Lu SH. [Inhibitory effects of esophageal cancer related gene 2 on proliferation of human esophageal cancer cell EC9706]. Zhonghua Yi Xue Za Zhi 2005; 85:2785-8. [PMID: 16324322] [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: 05/05/2023]
Abstract
OBJECTIVE To investigate the inhibitory role of esophageal cancer related gene 2 (ECRG2) on proliferation of human esophageal cancer cell EC9706. METHODS Recombinant plasmid pcDNA3.1-ECRG2 with ECRG2 open reading frame was constructed. The cells were transfected with either pcDNA3.1 or pcDNA3.1-ECRG2 using Lipofectamin 2000. The expression of ECRG2 protein was examined by Dot Blot analysis. The effects of ECRG2 on cell proliferation and malignant was analyzed by colony formation assay. The variation of P53 and P21 were detected in EC9706 cells with or without expression of ECRG2. RESULTS The plasmid of pcDNA3.1-ECRG2 was successfully established. Colony formation activity of EC9706/pcDNA3.1-ECRG2 was 18% while that of the control cell was 55% in six well plate (P < 0.05). The activity of anchorage-independent proliferation of EC9706/pcDNA3.1-ECRG2 was lower than that of EC9706/pcDNA3.1 in soft agar. After transfected with pcDNA3.1-ECRG2, the expression of P53 and P21 were higher than control. CONCLUSION ECRG2 can reduced the abilities of proliferation and of anchorage-independent proliferation of EC9706 cells which is through p53 pathway possibility.
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Affiliation(s)
- Mei-ning Li
- Department of Etiology & Carcinogenesis, Cancer Institute & Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100021, China
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