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Zhu HB, Jin CY, Zhou H, Sun Z, Xu Q, Lu CX, Zhou ZQ, Xiong JW, Zhang JB. Responsive regularity of neurons in the hindlimb region of primary somatosensory cortex to different temperature thermal needle stimulation of "Zusanli"(ST36) in mice. Zhen Ci Yan Jiu 2024; 49:341-348. [PMID: 38649201 DOI: 10.13702/j.1000-0607.20221296] [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: 04/25/2024]
Abstract
OBJECTIVES To study the regularity of central response to thermal needle stimulation of "Zusanli" (ST36) at different temperature, and to analyze the temperature difference of central responses. METHODS Six male C57BL/6j adult mice were used in the present study. For observing activities of neurons in the hindlimb region of left primary somatosensory cortex (S1HL, A/P=0.46 mm, M/L=1.32 mm, D/V=-0.14 mm) by using a fast high-resolution miniature two-photon microscopy (FHIRM-TPM), the mice were anesthetized with 3% isoflurane (inhalation), with its head fixed in a stereotaxic apparatus, then, adeno-associated virus (AAV-hSyn-GCaMP6f-WPRE-hGHpA, for showing intracellular calcium transients in neurons transfected) was injected into the left S1HL region using a micro-syringe after scalp surgical operation. The mice's right ST36 were stimulated using internal thermal needles with the temperature being 43 ℃, or 45 ℃, or 47 ℃, separately. Image J software and MATLAB 2020b software were used to process the image data of neuronal calcium activity (Ca2+ signaling) in the left S1HL region, including the instant maximum calcium peak value (ΔF/F) in 2 s, instant calcium spike frequency in 2 s, short-term calcium peak value (ΔF/F) in 3.5 min, short-term calcium spike frequency in 3.5 min, calcium peak duration in 3.5 min, maximum calcium peak value (ΔF/F) at the 1st , 2nd and 3rd min, and calcium spike frequency at the 1st, 2nd and 3rd min after thermal needle stimulation. RESULTS In comparison with the normal temperature needle stimulation, the instant intracellular maximum calcium peak value, instant calcium spike frequency, short-term maximum calcium peak value, short-term calcium spike frequency, and calcium peak duration of S1HL neurons in response to 43 ℃, 45 ℃ and 47 ℃ internal thermal needle stimulation of ST36 were significantly increased (P<0.001, P<0.01). Comparison among the 43 ℃, 45 ℃ and 47 ℃ thermal needle stimulation showed that the 45 ℃ thermal needle stimulation was obviously superior to 43 ℃ and 47 ℃ thermal needle stimulation in increasing instant calcium spike frequency, short-term calcium spike frequency and calcium peak duration of S1HL neurons (P<0.001, P<0.01). The 47 ℃ thermal needle stimulation was stronger than 43 ℃ and 45 ℃ thermal needle stimulation in increasing the instant maximum calcium peak value (P<0.001). The maximum calcium peak value was apparently higher (P<0.001) at the 2nd min than that at the 1st and 3rd min after 43 ℃, 45 ℃ and 47 ℃ thermal needle stimulation. No significant differences were found in the short-term maximum calcium peak value among the 3 thermal needle stimulation and in the calcium spike frequency among the 3 time points after 43 ℃, 45 ℃ and 47 ℃ thermal needle stimulation. CONCLUSIONS S1HL neurons respond to all 43 ℃, 45 ℃ and 47 ℃ thermal needle stimulation of ST36 in mice, while more actively to 45 ℃ thermal needle stimulation.
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Affiliation(s)
- Hai-Bin Zhu
- The Second Affiliated Hospital of Nanjing University of Chinese Medicine/Jiangsu Second Chinese Medicine Hospital, Nanjing 210017, China
| | - Chuan-Yang Jin
- The Second Affiliated Hospital of Nanjing University of Chinese Medicine/Jiangsu Second Chinese Medicine Hospital, Nanjing 210017, China
| | - Hang Zhou
- Nanjing Translational Institute of Molecular Medicine of Peking University, Nanjing 211800
| | - Zheng Sun
- The Second Affiliated Hospital of Nanjing University of Chinese Medicine/Jiangsu Second Chinese Medicine Hospital, Nanjing 210017, China
| | - Qian Xu
- The Second Affiliated Hospital of Nanjing University of Chinese Medicine/Jiangsu Second Chinese Medicine Hospital, Nanjing 210017, China
| | - Cheng-Xuan Lu
- The Second Affiliated Hospital of Nanjing University of Chinese Medicine/Jiangsu Second Chinese Medicine Hospital, Nanjing 210017, China
| | - Zi-Qiu Zhou
- The Second Affiliated Hospital of Nanjing University of Chinese Medicine/Jiangsu Second Chinese Medicine Hospital, Nanjing 210017, China
| | - Jia-Wei Xiong
- The Second Affiliated Hospital of Nanjing University of Chinese Medicine/Jiangsu Second Chinese Medicine Hospital, Nanjing 210017, China
| | - Jian-Bin Zhang
- The Second Affiliated Hospital of Nanjing University of Chinese Medicine/Jiangsu Second Chinese Medicine Hospital, Nanjing 210017, China.
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Xu Q, Lu CX, Wu HX, Zhu HB, Hao F, Yu Z, Zhang JB. [Effect of mild moxibustion at 45 ℃ with different durations at "Zusanli" (ST36) on the inflammatory factors in the abdominal aorta of hyperlipidemia rats]. Zhen Ci Yan Jiu 2023; 48:923-32. [PMID: 37730263 DOI: 10.13702/j.1000-0607.20221039] [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] [Subscribe] [Scholar Register] [Indexed: 09/22/2023]
Abstract
OBJECTIVE To investigate the effects of mild moxibustion at 45°C on the chronic inflammatory response of the abdominal aorta in rats with hyperlipidemia and the effects of different moxibustion durations. METHODS Thirty-six SD rats were randomly divided into the following groups: blank control group (2 weeks), model group (2 weeks), moxibustion group (2 weeks), blank group (4 weeks), model group (4 weeks), and moxibustion group (4 weeks). A model of hyperlipidemia with chronic inflammation was established through high-fat diet feeding for 8 weeks. Rats in the moxibustion groups received mild moxibustion treatment at bilateral "Zusanli"(ST36) at 45 °C, 10 min every time, once a day, for consecutive 2 or 4 weeks. The morphology of the abdominal aorta in each group was observed by using HE staining. Contents of serum total cholesterol (TC), triglycerides (TG), high-density lipoprotein (HDL), low-density lipoprotein (LDL), oxidized low-density lipoprotein (ox-LDL), intercellular adhesion molecule-1 (ICAM-1), vascular cell adhesion molecule-1 (VCAM-1), interleukin 6 (IL-6), tumor necrosis factor alpha (TNF-α), endothelin-1 (ET-1) and the contents of nitric oxide (NO), ox-LDL, and ET-1 in the abdominal aorta were measured by using ELISA. Protein and mRNA expressions of IL-6 and TNF-α in the abdominal aorta of rats in each group were detected by using Western blot and real-time fluorescence quantitative PCR respectively. The positive expression of IL-6 in the abdominal aorta of rats was detected by Immunofluorescence. RESULTS Compared to the blank control group, rats in the model group had increased contents of LDL, TC, TG, ox-LDL, VCAM-1, ICAM-1, IL-6, TNF-α, and ET-1 in the serum, increased contents of ox-LDL and ET-1 in the abdominal aorta, increased protein and mRNA expressions of IL-6 and TNF-α in the abdominal aorta(P<0.01, P<0.05, P<0.001), with decreased HDL content in the serum, decreased NO content in the abdominal aorta (P<0.01, P<0.05), as well as dark pink abdominal aorta, rough textures in the adventitia, media, and intima, and rough endothelial layer. Compared to the model group(2 weeks), LDL, ICAM-1, ET-1 contents in the serum, ox-LDL content in the abdominal aorta were decreased(P<0.05), while serum IL-6 and TNF-α contents, and NO content in the abdominal aorta were significantly increased(P<0.01, P<0.05), with smoother vascular walls, and relatively clear nucleus and surrounding tissue structures of abdominal aorta in the moxibustion group(2 weeks). Compared to the model group(4 weeks), contents of LDL, TC, TG, VCAM-1, ICAM-1, IL-6, TNF-α, ox-LDL, and ET-1 in the serum, ox-LDL and ET-1 contents in abdominal aorta, protein and mRNA expressions of IL-6 and TNF-α in the abdominal aorta were significantly decreased(P<0.05, P<0.01), while HDL content in the serum and NO content in the abdominal aorta were significantly increased(P<0.05, P<0.01), with smoother vascular walls, and relatively clear nucleus and surrounding tissue structures of abdominal aorta in the moxibustion group(4 weeks). In addition, content of HDL in the serum were significantly increased(P<0.05), while TNF-α content in the serum, protein expression of IL-6 in the abdominal aorta were significantly decreased (P<0.001, P<0.05), with smoother vascular walls, and clearer nucleus and surrounding tissue structures of abdominal aorta in the moxibustion group(4 weeks), in comparison with the moxibustion group(2 weeks). CONCLUSION Mild moxibustion of 45 °C at ST36 can improve vascular endothelial damage and inflammatory response induced by high-fat diet by regulating serum lipids, vascular tone, adhesion molecules, and inflammatory factors, of which the effect of moxibustion intervention for 4 weeks is more significant.
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Affiliation(s)
- Qian Xu
- The Second Affiliated Hospital of Nanjing University of Chinese Medicine/The Second Chinese Hospital of Jiangsu Province, Nanjing 210017, China
| | - Cheng-Xuan Lu
- College of Acupuncture-moxibustion and Tuina, College of Health Rehabilitation, Nanjing University of Chinese Medicine, Nanjing 210023
| | - Huan-Xi Wu
- The Second Affiliated Hospital of Nanjing University of Chinese Medicine/The Second Chinese Hospital of Jiangsu Province, Nanjing 210017, China
| | - Hai-Bin Zhu
- The Second Affiliated Hospital of Nanjing University of Chinese Medicine/The Second Chinese Hospital of Jiangsu Province, Nanjing 210017, China
| | - Feng Hao
- College of Acupuncture-moxibustion and Tuina, College of Health Rehabilitation, Nanjing University of Chinese Medicine, Nanjing 210023
| | - Zhi Yu
- Key Laboratory of Acupuncture and Medicine Research of Ministry of Education, Nanjing University of Chinese Medicine, Nanjing 210023
| | - Jian-Bin Zhang
- The Second Affiliated Hospital of Nanjing University of Chinese Medicine/The Second Chinese Hospital of Jiangsu Province, Nanjing 210017, China
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Lu CX, Xu Q, Ye RL, Zhu HB, Wu HX, Zhang JB. [Moxibustion of 45 ℃ at "Zusanli" (ST36) improves vascular endothelial oxidative stress in hyperlipidemia rats]. Zhen Ci Yan Jiu 2023; 48:331-8. [PMID: 37186196 DOI: 10.13702/j.1000-0607.20220056] [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: 05/17/2023]
Abstract
OBJECTIVE To explore the antioxidant effect of moxibustion on vascular endothelial function and the under-lying mechanism. METHODS Forty male SD rats were randomly divided into blank, model, moxibustion and endothelial nitric oxide synthase (eNOS) inhibitor groups, with 10 rats in each group. Hyperlipidemia rat model was established by high fat diet for 8 weeks. Rats in the moxibustion group received 45 ℃ moxibustion at "Zusanli" (ST36) for 10 min once daily for consecutive 4 weeks. Rats in the eNOS inhibitor group received intraperitoneal injection of eNOS inhibitor L-NAME (1 mg/100 g) at the same time of moxibustion intervention. The morphology of abdominal aorta endothelium was observed by HE staining. Lipid deposition in abdominal aorta was observed by oil red O staining. The contents of total cholesterol (TC), triglyceride (TG), high density lipoprotein cholesterol (HDL-C), low density lipoprotein cholesterol (LDL-C) in serum and reactive oxygen species (ROS), nitric oxide (NO), superoxide dismutase (SOD), oxidized LDL lipoprotein (ox-LDL), endothelin-1 (ET-1), eNOS, malondialdehyde (MDA) in serum and abdominal aorta were determined by ELISA. The expression of eNOS in abdominal aorta was detected by immunofluorescence. RESULTS HE staining of the abdominal aorta showed no significant pathological abnormality in the blank group; the endovascular cortex was rough, and the inner, media and outer membrane were rough in the model group; the nucleus and surrounding tissue structure were clear and the vascular wall was smooth in the moxibustion group; abdominal aorta texture was rough in the eNOS inhibitor group. Compared with the blank group, the area of oil red O staining in abdominal aorta increased (P<0.05); the contents of serum TC, TG and LDL-C increased (P<0.01, P<0.05) while HDL-C decreased (P<0.05); the contents of ET-1 in serum and abdominal aorta were increased (P<0.01, P<0.05) while the contents of NO and eNOS were decreased (P<0.05, P<0.001); the contents of ROS, ox-LDL and MDA in serum and abdominal aorta were increased (P<0.001, P<0.01, P<0.000 1) while the content of SOD in abdominal aorta was decreased (P<0.000 1); the expression level of eNOS in abdominal aorta was decreased (P<0.05) in the model group. Compared with the model group, the area of oil red O staining in abdominal aorta decreased (P<0.05); the contents of TC, TG and LDL-C in serum decreased (P<0.05) while HDL-C increased (P<0.05); the contents of ET-1 in serum and abdominal aorta were decreased (P<0.01, P<0.05) while the contents of NO and eNOS in abdominal aorta were increased (P<0.001, P<0.01); the contents of ROS and MDA in serum and abdominal aorta were decreased (P<0.001, P<0.01, P<0.05), the content of ox-LDL was decreased (P<0.01) and the content of SOD was increased (P<0.000 1) in abdominal aorta; the expression level of eNOS in abdominal aorta was increased (P<0.05) in the moxibustion group. Compared with the moxibustion group, the contents of serum TC, LDL-C and MDA in the eNOS inhibitor group were increased (P<0.05); the contents of ET-1, ROS, ox-LDL and MDA in abdominal aorta were increased (P<0.05), the contents of NO, eNOS and SOD were decreased (P<0.05); the expression level of eNOS in abdominal aorta was decreased (P<0.05). CONCLUSION 45 ℃ moxibustion at ST36 can protect and repair vascular endothelial injury in abdominal aorta of hyperlipidemia rats and improve the oxidative stress of vascular endothelium.
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Affiliation(s)
- Cheng-Xuan Lu
- College of Acupuncture-moxibustion and Massage, College of Health and Rehabilitation, Nanjing University of Chinese Medicine, Nanjing 210023, China
| | - Qian Xu
- The Second Affiliated Hospital of Nanjing University of Chinese Medicine/The Second Chinese Medicine Hospital of Jiangsu Province, Nanjing 210017
| | - Ru-Lin Ye
- College of Acupuncture-moxibustion and Massage, College of Health and Rehabilitation, Nanjing University of Chinese Medicine, Nanjing 210023, China
| | - Hai-Bin Zhu
- The Second Affiliated Hospital of Nanjing University of Chinese Medicine/The Second Chinese Medicine Hospital of Jiangsu Province, Nanjing 210017
| | - Huan-Xi Wu
- The Second Affiliated Hospital of Nanjing University of Chinese Medicine/The Second Chinese Medicine Hospital of Jiangsu Province, Nanjing 210017
| | - Jian-Bin Zhang
- College of Acupuncture-moxibustion and Massage, College of Health and Rehabilitation, Nanjing University of Chinese Medicine, Nanjing 210023, China; The Second Affiliated Hospital of Nanjing University of Chinese Medicine/The Second Chinese Medicine Hospital of Jiangsu Province, Nanjing 210017
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Mou YK, Ren C, Li YM, Yu GH, Zheng GB, Song H, Lu CX, Tian RX, Song XC. [Correlation analysis of clock genes and MEN2 medullary thyroid carcinoma]. Zhonghua Er Bi Yan Hou Tou Jing Wai Ke Za Zhi 2022; 57:1079-1086. [PMID: 36177562 DOI: 10.3760/cma.j.cn115330-20211225-00822] [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: 06/16/2023]
Abstract
Objective: To investigate the correlation between CLOCK and BMAL1 genes and MEN2 medullary thyroid carcinoma (MTC). Methods: Thirteen cases with MEN2 MTC and thirteen cases with non-MEN2 MTC were selected who were treated in the Yantai Yuhuangding Hospital between January 2013 and September 2021. Clinical indicators such as blood calcitonin level, tumor diameter and metastatic lymph node of patients were collected. The expression differences of CLOCK and BMAL1 between MEN2 MTC and para-carcinoma tissue as well as between MEN2 MTC and non-MEN2 MTC were detected by immunohistochemistry and qPCR. The correlation between lymph node metastasis and CLOCK or BMAL1 expression was analyzed. Protein-protein interaction (PPI) network analysis combined with qPCR and correlation analysis was used to explore the expression regulation relationship between RET and circadian clock genes. The rhythm disorder of MEN2 cells was verified by lipopolysaccharide cell stimulation experiment after dexamethasone rhythm synchronization. Results: MEN2 MTC exhibited typical RET gene mutation. The mean blood calcitonin level, the tumor diameter and the number of metastatic lymph nodes of patients with MEN2 MTC were higher than those of patients with non-MEN2 MTC (t value was 2.76, 2.53, 2.26, all P<0.05). Immunohistochemical results showed that the expression levels of CLOCK and BMAL1 in MEN2 MTC were higher than those in non-MEN2 MTC, while negatively expressed in para-cancerous thyroid follicle. qPCR displayed that the expression of CLOCK gene in cancer tissues was higher than that in non-MEN2 MTC and para-cancerous tissues (t value was 2.68 and 2.86, all P<0.05); the expression of BMAL1 gene in MEN2 MTC was higher than that in non-MEN2 MTC and para-cancerous tissues (t value was 2.21 and 2.35, all P<0.05). Correlation analysis showed that the expression levels of CLOCK and BMAL1 genes were positively correlated with the number of lymph node metastases in patients with MEN2 MTC (r=0.65, P<0.001; r=0.52, P=0.005). PPI network analysis indicated that the expression of CLOCK gene was positively correlated with the abnormal expression of RET gene (r=0.96, P<0.001). With lipopolysaccharide to stimulate cultured cells in vitro after dexamethasone rhythm synchronization, the expressions of CLOCK and BMAL1 in MEN2 MTC cells (0.47±0.22 and 2.60±1.48) at 12 hours of synchronization were significantly lower than those in para-cancerous tissues (1.70±1.62 and 8.23±2.52), the difference was statistically significant(t=5.04, P=0.007; t=3.34, P=0.029). Conclusion: CLOCK and BMAL1 are correlated with the occurrence and development of MEN2 MTC, and may be potential targets for the development of new therapeutic strategies for MEN2 MTC.
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Affiliation(s)
- Y K Mou
- Department of Otorhinolaryngology, Head and Neck Surgery, Yantai Yuhuangding Hospital, Qingdao University, Yantai 264000, China Shandong Provincial Clinical Research Center for Otorhinolaryngologic Diseases, Yantai 264000, China State Key Laboratory of Oncology in South China, Guangzhou 510000, China
| | - C Ren
- Taishan Scholar Laboratory, Yantai Yuhuangding Hospital, Qingdao University, Yantai 264000, China Department of Neurology, Yantai Yuhuangding Hospital, Qingdao University, Yantai 264000, China
| | - Y M Li
- Shandong Provincial Clinical Research Center for Otorhinolaryngologic Diseases, Yantai 264000, China Taishan Scholar Laboratory, Yantai Yuhuangding Hospital, Qingdao University, Yantai 264000, China
| | - G H Yu
- Department of Pathology, Yantai Yuhuangding Hospital, Qingdao University, Yantai 264000, China
| | - G B Zheng
- Taishan Scholar Laboratory, Yantai Yuhuangding Hospital, Qingdao University, Yantai 264000, China Department of Thyroid Surgery, Yantai Yuhuangding Hospital, Qingdao University, Yantai 264000, China
| | - H Song
- Department of Otorhinolaryngology, Head and Neck Surgery, Yantai Yuhuangding Hospital, Qingdao University, Yantai 264000, China
| | - C X Lu
- Department of Otorhinolaryngology, Head and Neck Surgery, Yantai Yuhuangding Hospital, Qingdao University, Yantai 264000, China
| | - R X Tian
- Department of Otorhinolaryngology, Head and Neck Surgery, Yantai Yuhuangding Hospital, Qingdao University, Yantai 264000, China
| | - X C Song
- Department of Otorhinolaryngology, Head and Neck Surgery, Yantai Yuhuangding Hospital, Qingdao University, Yantai 264000, China Shandong Provincial Clinical Research Center for Otorhinolaryngologic Diseases, Yantai 264000, China Taishan Scholar Laboratory, Yantai Yuhuangding Hospital, Qingdao University, Yantai 264000, China
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Jin CY, Zhang JB, Xu Q, Lu CX, Ye RL. [Analysis on developmental characteristics of acupoint theory]. Zhen Ci Yan Jiu 2021; 46:967-972. [PMID: 34865336 DOI: 10.13702/j.1000-0607.200979] [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] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
The theory of acupoints has gone through a long process from its embryonic form to its maturity, including its gradual improvement in later generations. Starting from the acupuncture literature in different historical periods, we, in the present paper, gave some examples and analyzed the connotation of important concepts in the development of acupoint theory. It is believed that the signs of the establishment of acupoint theory mainly include the standardization of acupoints' names, the specific description of acupoint positioning, the enrichment and explicitation of the content of acupoints' indications, the highlights of the meridian theory via classification of acupoints, and the interpretation of connotations of acupoints from a clinical perspective.
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Affiliation(s)
- Chuan-Yang Jin
- The Second Affiliated Hospital of Nanjing University of Chinese Medicine/Jiangsu Second Chinese Medicine Hospital, Nanjing 210017, China
| | - Jian-Bin Zhang
- The Second Affiliated Hospital of Nanjing University of Chinese Medicine/Jiangsu Second Chinese Medicine Hospital, Nanjing 210017, China
| | - Qian Xu
- School of Acupuncture and Tuina, Regimen and Rehabilitation College, Nanjing University of Chinese Medicine, Nanjing 210023
| | - Cheng-Xuan Lu
- School of Acupuncture and Tuina, Regimen and Rehabilitation College, Nanjing University of Chinese Medicine, Nanjing 210023
| | - Ru-Lin Ye
- School of Acupuncture and Tuina, Regimen and Rehabilitation College, Nanjing University of Chinese Medicine, Nanjing 210023
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Ye RL, Zhang JB, Xu Q, Lu CX. [Evolution of acupoint compatibility method and rule in XIAO Shao-qing's acupuncture prescriptions]. Zhongguo Zhen Jiu 2021; 41:1291-1294. [PMID: 34762386 DOI: 10.13703/j.0255-2930.20201016-k0005] [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] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
XIAO Shao-qing's understanding and evolution of acupoint compatibility methods and rules are summarized. XIAO Shao-qing's understanding of acupoint compatibility rules shows a process from simple listing to systematic improvement, which is reflected as the increase or decrease of the number of acupoint compatibility methods, the revision of the concept and connotation of acupoint compatibility methods, and the adjustment of the example content of acupoint compatibility rules. His clinical prescriptions of acupuncture and moxibustion highlight the academic idea of taking the indications of meridians and acupoints as the basis, using syndrome differentiation and treatment as the core, and selecting acupoints for symptoms as the auxiliary.
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Affiliation(s)
- Ru-Lin Ye
- College of Acupuncture-Moxibustion and Tuina, College of Health and Rehabilitation, Nanjing University of Chinese Medicene, Nanjing 210023, Jiangsu Province, China; Inheritance Studio of Chengjiang Acupuncture and Moxibustion School, National Administration of TCM, Nanjing 210023, Jiangsu Province
| | - Jian-Bin Zhang
- Inheritance Studio of Chengjiang Acupuncture and Moxibustion School, National Administration of TCM, Nanjing 210023, Jiangsu Province; Second Affiliated Hospital/Second TCM Hospital of Jiangsu Province, Nanjing University of Chinese Medicene, Nanjing 210017
| | - Qian Xu
- College of Acupuncture-Moxibustion and Tuina, College of Health and Rehabilitation, Nanjing University of Chinese Medicene, Nanjing 210023, Jiangsu Province, China; Inheritance Studio of Chengjiang Acupuncture and Moxibustion School, National Administration of TCM, Nanjing 210023, Jiangsu Province
| | - Cheng-Xuan Lu
- College of Acupuncture-Moxibustion and Tuina, College of Health and Rehabilitation, Nanjing University of Chinese Medicene, Nanjing 210023, Jiangsu Province, China; Inheritance Studio of Chengjiang Acupuncture and Moxibustion School, National Administration of TCM, Nanjing 210023, Jiangsu Province
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Xie Y, Liu JB, Li JM, Zhang C, Lu CX, Wen ZJ. [Silence of circBANP increases radiosensitivity of colorectal cancer cells and inhibits growth of subcutaneous xenografts by up-regulating miR-338-3p expression]. Zhonghua Zhong Liu Za Zhi 2021; 43:533-540. [PMID: 34034472 DOI: 10.3760/cma.j.cn112152-20200519-00460] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [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 effect of circBANP on radiosensitivity of colorectal cancer cells and subcutaneous transplanted tumor in nude mice and its potential molecular mechanism. Methods: The carcinoma and adjacent normal mucosal tissues of 20 patients with colorectal cancer who were surgically resected in Henan People's Hospital from January 2018 to January 2019 were selected. The radio-resistant colorectal cancer cell LoVo/R was established. Real-time quantitative polymerase chain reaction (RT-qPCR) was used to detect the expressions of circBANP and miR-338-3p. The radiation sensitivity was determined by cell clone formation experiment. Cell vitality was detected by using methyl thiazolyl tetrazolium (MTT). The expressions of autophagy-related protein microtubule-associated protein light chain 3 (LC3) and p62 were detected by western blot. The fluorescence intensity of LC3 in cells was detected by immunofluorescence assay. The downstream microRNAs (miRNAs) of circBANP were predicted by Circular RNA Interactome website and further verified by dual luciferase reporter gene assay. The transplanted tumor model of LoVo/R cells in nude mice was established, and the effect of circBANP on the growth of transplanted tumor after radiation was observed. Results: The expression levels of circBANP and miR-338-3p in colorectal cancer tissues were 3.21+ 0.29 and 0.47+ 0.04, respectively, which were significantly higher than 1.00+ 0.07 and 1.00+ 0.05 in adjacent tissues (P<0.05). The circBANP expression level of LoVo/R cells was 3.21±0.34, higher than 1.00±0.07 of LoVo cells (P<0.05), and the expression level of miR-338-3p of LoVo/R cells was 0.33±0.04, lower than 1.00±0.08 of LoVo cells (P<0.05). After 4 Gy irradiation, compared with the control group, the viability of LoVo/R cells in the circBANP silencing group [(34±4)% vs (62±6)%, P<0.05], the cell survival fraction (0.07±0.02 vs 0.27±0.04, P<0.05) were decreased, and the radiation sensitization ratio was 1.843, the expression of LC3Ⅱ/Ⅰin LoVo/R cells increased while p62 expression decreased, the cell autophagy was observed. Autophagy inhibitor chloroquine reversed the increased expression of LC3Ⅱ/Ⅰ and inhibited expression of p62 in LoVo/R cells induced by radiation, and promoted the suppression of cell viability and survival induced by radiation, the radiotherapy sensitization ratio was 1.780. Compared with control group after 4 Gy irradiation, the relative fluorescence intensity of LC3 in circBANP silencing LoVo/R cells decreased (0.11±0.01 vs 1.00±0.12, P<0.05), the expression of LC3-Ⅱ/Ⅰdecreased (1.25±0.13 vs 3.84±0.39, P<0.05) while p62 expression increased (2.76±0.29 vs 1.00±0.08, P<0.05). As predicted by Circular RNA Interactome website and confirmed by double luciferase reporter gene assay, miR-338-3p was the target gene of circBANP. The relative fluorescence intensity of LC3 in circBANP silencing + anti-miR-338-3p + 4 Gy group increased (7.32±0.72 vs 1.00±0.09, P<0.05), the expression level of LC3-Ⅱ/Ⅰ increased (4.13±0.43 vs 2.31±0.23, P<0.05) while p62 expression decreased (0.34±0.03 and 1.00±0.11, P<0.05), the radiotherapy sensitization ratio was 0.596. Nude mice subcutaneously transplanted tumor experiment showed that the tumor volume and weight of circBANP silencing group on 13, 16, 19, 22, 25, 28, and 31 days were lower than those of control group (P<0.05), while the tumor volume and weight of circBANP silencing + anti-miR-338-3p group on days of 13, 16, 19, 22, 25, 28 and 31 after inoculated were higher than those of circBANP+ anti-miR-NC group (P<0.05). Conclusions: CircBANP can regulate the radiosensitivity of colorectal cancer cells by regulating the expression of miR-338-3p, and affect the growth of transplanted tumor in nude mice. CircBANP may be a potential target for enhancing radiosensitivity of colorectal cancer cells.
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Affiliation(s)
- Y Xie
- Department of Gastrointestinal Surgery, Henan People's Hospital, Zhengzhou 450000, China
| | - J B Liu
- Department of Oncology, Henan People's Hospital, Zhengzhou 450000, China
| | - J M Li
- Department of Gastrointestinal Surgery, Henan People's Hospital, Zhengzhou 450000, China
| | - C Zhang
- Department of Gastrointestinal Surgery, Henan People's Hospital, Zhengzhou 450000, China
| | - C X Lu
- Department of Oncology, Henan People's Hospital, Zhengzhou 450000, China
| | - Z J Wen
- Department of Radiotherapy, Henan People's Hospital, Zhengzhou 450000, China
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Xie Y, Liu JB, Li JM, Zhang C, Lu CX, Wen ZJ. [Effects of silencing circRNA ABCB10 expression on biological properties of colorectal cancer cells]. Zhonghua Zhong Liu Za Zhi 2021; 43:449-456. [PMID: 33902207 DOI: 10.3760/cma.j.cn112152-20200116-00040] [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] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Objective: To investigate the expression of circular ribonucleic acid ABCB10 (circABCB10) in colorectal cancer tissues and cells and its effects on cell biological behavior, radiosensitivity and growth of subcutaneous xenografts. Methods: The tumor tissue and adjacent tissue from colorectal cancer patients treated in Henan People's Hospital were collected from January 2018 to December 2018. Quantitative polymerase chain reaction (qPCR) was used to detect the expressions of circABCB10 and miR-217, cell viability was detected by 3-(4, 5-dimethyl-2-thiazolyl)-2, 5-diphenyl-2H tetrazolium bromide (MTT), cell apoptosis rate was detected by flow cytometry, cell migration and invasion were detected by Transwell method, cell radiosensitivity was detected by colony formation assay. The downstream miRNAs of circABCB10 were predicted by Circular RNA Interactome and verified by the dual luciferase reporter gene experiment. The effect of circABCB10 on the growth of transplanted tumor was examined in nude mice. Results: The expression level of circABCB10 mRNA in colorectal cancer tissues was (3.97±2.12), higher than (1.13±0.64) in adjacent tissues (P<0.05). The expression level of circABCB10 mRNA in FHC cells was (1.00±0.09), lower than that (4.53±0.44) in SW480, (3.12±0.32) in HCT116 and (3.51±0.36) in HT29 cells, respectively (all P<0.05). The MTT results showed that the absorbance values of SW480 cells in si-circABCB10-1 group at 48 and 72 hours after transfection were (0.36±0.04) and (0.43±0.04), lower than (0.48±0.05) and (0.82±0.08) in circ-negative control (NC) group, respectively (all P<0.05). The number of migrating cells and invasive cells in si-circABCB10-1 group were (45±8) and (34±7), lower than (106±21) and (84±15) in circ-NC group, respectively (all P<0.01). The radiosensitization ratio was 1.632. The results of subcutaneous transplantation assay showed that the tumor volume and tumor weight of the si-circABCB10-1 group were significantly lower than circ-NC group after 8 days of inoculation ( all P<0.05). MiR-217 is a target gene of circABCB10. Inhibition of miR-217 reversed the inhibitory effect of circABCB10 silencing on cell proliferation, migration, invasion and subcutaneous xenograft growth in nude mice and the radiosensitization activity. Conclusion: Silence of circABCB10 can up-regulate the expression of miR-217 to inhibit the proliferation, migration, invasion and growth of subcutaneous xenografts and increase the radiosensitivity of SW480 cells, which reveals the underlying molecular mechanism of colorectal cancer progression and provides a new sensitizing target for clinical radiotherapy of colorectal cancer.
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Affiliation(s)
- Y Xie
- Deparment of Gastrointestinal Surgery, Henan People's Hospital, Zhengzhou 450000, China
| | - J B Liu
- Department of Oncology, Henan People's Hospital, Zhengzhou 450000, China
| | - J M Li
- Deparment of Gastrointestinal Surgery, Henan People's Hospital, Zhengzhou 450000, China
| | - C Zhang
- Deparment of Gastrointestinal Surgery, Henan People's Hospital, Zhengzhou 450000, China
| | - C X Lu
- Department of Oncology, Henan People's Hospital, Zhengzhou 450000, China
| | - Z J Wen
- Department of Radiotherapy, Henan People's Hospital, Zhengzhou 450000, China
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Zhao XL, Gao JS, Li LL, Li S, Wang H, Xiao JF, Zhang J, Mi H, Yang YJ, Zhao FY, Guan X, Cao YX, Wu YY, Lu CX, Yang T, Zhang X. [Prenatal gene diagnosis of 200 fetuses at high risk of osteogenesis imperfect]. Zhonghua Yi Xue Za Zhi 2019; 99:3328-3334. [PMID: 31715670 DOI: 10.3760/cma.j.issn.0376-2491.2019.42.011] [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: The authors aim to provide genetic counselling and prenatal gene diagnosis to the families with osteogenesis imperfecta(OI), based on the identification of pathogenetic mutations in large cohort genetic testing. Methods: DNA was extracted from the peripheral blood of parents of the fetuses, and from the villi tissue, amniotic fluid or cord blood of the fetuses using a standard sodium dodecyl sulfate-proteinase K-phenol/chloroform extraction method. PCR combined with Sanger DNA sequencing was performed to validate the pathogenic mutations of 200 fetuses at risk of OI and their parents from 158 families. Allelic analysis of microsatellite markers was applied to exclude the false positive caused by maternal DNA contamination, when both the fetus and the mother harbored the same pathogenic genotype. Results: A total of 83 affected fetuses (83/200, 41.5%) and 12 (12/200, 6.0%) recessive carriers were identified among the 200 fetuses. The 83 affected fetuses included 78 heterozygotes (45 of COL1A1, 32 of COL1A2, one of IFITM5), and 5 compound heterozygotes or homozygotes of recessive OI (two of FKBP10, one of SEC24D, one of WNT1 and one of CRTAP); The 12 recessive carriers included 7 of WNT1, 4 of SERPINF1 and one of SERPINH1. Maternal DNA contamination was excluded from the genomic DNA samples of OI fetuses when their mother with the same affected genotypes. Conclusion: In this study, the authors used an optimized gene diagnosis system of OI to perform prenatal genetic diagnosis to 200 fetuses at high risk of OI, and provided precisely genetic counselling to the OI families.
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Affiliation(s)
- X L Zhao
- Department of Medical Genetics, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences -School of Basic Medicine, Peking Union Medical College, Beijing 100005, China
| | - J S Gao
- Department of Obstetrics and Gynecology, Peking Union Medical College Hospital, Beijing 100730, China
| | - L L Li
- Department of Medical Genetics, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences -School of Basic Medicine, Peking Union Medical College, Beijing 100005, China
| | - S Li
- Department of Medical Genetics, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences -School of Basic Medicine, Peking Union Medical College, Beijing 100005, China
| | - H Wang
- Department of Medical Genetics, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences -School of Basic Medicine, Peking Union Medical College, Beijing 100005, China
| | - J F Xiao
- Department of Medical Genetics, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences -School of Basic Medicine, Peking Union Medical College, Beijing 100005, China
| | - J Zhang
- Department of Medical Genetics, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences -School of Basic Medicine, Peking Union Medical College, Beijing 100005, China
| | - H Mi
- Department of Medical Genetics, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences -School of Basic Medicine, Peking Union Medical College, Beijing 100005, China
| | - Y J Yang
- Department of Medical Genetics, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences -School of Basic Medicine, Peking Union Medical College, Beijing 100005, China
| | - F Y Zhao
- Department of Medical Genetics, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences -School of Basic Medicine, Peking Union Medical College, Beijing 100005, China
| | - X Guan
- Department of Medical Genetics, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences -School of Basic Medicine, Peking Union Medical College, Beijing 100005, China
| | - Y X Cao
- Department of Medical Genetics, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences -School of Basic Medicine, Peking Union Medical College, Beijing 100005, China
| | - Y Y Wu
- Department of Medical Genetics, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences -School of Basic Medicine, Peking Union Medical College, Beijing 100005, China
| | - C X Lu
- Department of Medical Genetics, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences -School of Basic Medicine, Peking Union Medical College, Beijing 100005, China
| | - T Yang
- Department of Medical Genetics, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences -School of Basic Medicine, Peking Union Medical College, Beijing 100005, China
| | - X Zhang
- Department of Medical Genetics, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences -School of Basic Medicine, Peking Union Medical College, Beijing 100005, China
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Lu CX, Zheng BW, Bai B, Hu JL, Fan SF, Shang DF, Yang D, Zhao CL, Cang SD. [Effect of omeprazole on plasma concentration and adverse reactions of capecitabine in patients with colon cancer]. Zhonghua Zhong Liu Za Zhi 2019; 41:708-711. [PMID: 31550863 DOI: 10.3760/cma.j.issn.0253-3766.2019.09.012] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [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 effect of omeprazole on plasma concentration, efficacy and adverse reactions of capecitabine in patients with colon cancer. Methods: Seventy-two patients with colon cancer treated with capecitabine were analysed retrospective. The patients treated with capecitabine combined with omeprazole were identified as experimental group and the capecitabine treatment alone as control group.The differences of blood concentration and the side effects of capecitabine between these two groups were compared. Results: The plasma concentration of 5-Fluorouracilum in experimental group was (126.25±50.59) μg/ml, without significant difference of (123.09±56.70) μg/ml in control group (P=0.121). The incidence of Ⅲ to Ⅳ degree bone marrow suppression, nausea, vomiting, diarrhea and hand-foot syndrome in experimental group were 13.8%, 0%, 0% and 19.4%, respectively. In control group, the incidence of Ⅲ to Ⅳ degree bone marrow suppression, nausea, vomiting, diarrhea and the hand-foot syndrome were 11.1%, 0%, 0% and 19.4%, respectively, without significant difference of experimental group (P>0.05). The incidence of acid reflux and heartburn in the control group was 72.2%, significantly higher than 44.4% of the experimental group (P<0.05). The objective response rate (ORR) and progression-free survival time (PFS) in these two groups were 30.6% and 33.3%, and 8.0 month and 8.5 month, respectively, without significant difference (P>0.05). Conclusion: The intravenous omeprazole attenuates reflux and heartburn of colon cancer patients treated with capecitabine, without affecting its plasma concentration and side effects and has no impact on the PFS of these patients.
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Affiliation(s)
- C X Lu
- Department of Oncology, People's Hospital of Henan Province, Zhengzhou 450003, China
| | - B W Zheng
- Department of Oncology, People's Hospital of Henan Province, Zhengzhou 450003, China
| | - B Bai
- Department of Oncology, People's Hospital of Henan Province, Zhengzhou 450003, China
| | - J L Hu
- Department of Oncology, People's Hospital of Henan Province, Zhengzhou 450003, China
| | - S F Fan
- Department of Oncology, People's Hospital of Henan Province, Zhengzhou 450003, China
| | - D F Shang
- Department of Oncology, People's Hospital of Henan Province, Zhengzhou 450003, China
| | - D Yang
- Department of Pharmacy, People's Hospital of Henan Province, Zhengzhou 450003, China
| | - C L Zhao
- Department of Pharmacy, People's Hospital of Henan Province, Zhengzhou 450003, China
| | - S D Cang
- Department of Oncology, People's Hospital of Henan Province, Zhengzhou 450003, China
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Zheng L, Li C, Qi WH, Qiao BL, Zhao H, Zhou YB, Lu CX. [Expression of macrophage migration inhibitory factor gene in placenta tissue and its correlation with gestational diabetes mellitus]. Zhonghua Yi Xue Za Zhi 2018; 97:3388-3391. [PMID: 29179278 DOI: 10.3760/cma.j.issn.0376-2491.2017.43.006] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [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 relationship between the expression of macrophage migration inhibitory factor (MIF) gene and the incidence of gestational diabetes mellitus (GDM) in Chinese Han population in northern China. Method: This study was consisted of 126 GDM women and 150 cases of healthy subjects who came from the obstetrics department of Maternity Hospital of Qingdao University and Maternity and Child Care Hospital of Donggang District of Rizhao. The protein expression of MIF in placenta tissue was detected by Western blot method. The blood glucose, insulin levels and other clinical physicochemical index were tested. The differences of MIF, fasting blood-glucose (FBG), fasting insulin (FIN) and the homeostasis model assessment of insulin resistance (HOMA-IR) were compared between the two groups of pregnant women. Result: The level of MIF protein in GDM group (0.85±0.10) was higher than that in healthy pregnant group (0.12±0.09), with significant difference (P<0.001). Insulin resistance index in GDM group were higher than that in healthy pregnant group, with significant difference (P<0.001). Conclusion: The expression of MIF in placental tissues of GDM women was increased and correlated with insulin resistance in GDM patients, suggesting that MIF may play an important role in the occurrence and development of GDM.
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Affiliation(s)
- L Zheng
- Department of Obstetrics, the Affiliated Hospital of Qingdao University, Qingdao 266003, China
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Xia YH, Zhang BP, Lu CX, Geng L. Improving the corrosion resistance of Mg-4.0Zn-0.2Ca alloy by micro-arc oxidation. Mater Sci Eng C Mater Biol Appl 2013; 33:5044-50. [PMID: 24094222 DOI: 10.1016/j.msec.2013.08.033] [Citation(s) in RCA: 40] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/24/2013] [Revised: 08/15/2013] [Accepted: 08/27/2013] [Indexed: 11/28/2022]
Abstract
In this paper, corrosion resistance of the Mg-4.0Zn-0.2Ca alloy was modified by micro-arc oxidation (MAO) process. The microstructure and phase constituents of MAO layer were characterized by SEM, XRD and X-ray photoelectron spectroscopy (XPS). The corrosion resistance of MAO treated Mg-4.0Zn-0.2Ca alloy in the simulated body fluid were characterized by potentiodynamic polarization and electrochemical impedance spectroscopy (EIS) techniques. The microstructure results indicated that a kind of ceramic film was composed by MgO and MgF2 was formed on the surface of Mg-4.0Zn-0.2Ca alloy after MAO treatment. The electrochemical test reveals that the corrosion resistance of MAO treated samples increase 1 order of magnitude. The mechanical intensity test showed that the MAO treated samples has suitable mechanical properties.
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Affiliation(s)
- Y H Xia
- The First Affiliated Hospital of Harbin Medical University, Harbin 150001, PR China
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Wang XA, Wang SC, Lu CX. [Resection of spinal tumor and reconstruction of spinal stability]. Zhongguo Xiu Fu Chong Jian Wai Ke Za Zhi 1999; 13:350-2. [PMID: 12080835] [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: 02/25/2023]
Abstract
OBJECTIVE Both primary and metastatic tumor of spine can influence spinal stability, spinal cord and nerves. The principles of dealing spinal tumor are resection of tumor decompression on spinal cord and reconstruction of spinal stability. METHODS Since Aug. 1993 to Oct. 1996, 15 cases with spinal tumor were treated, including 4 primary spinal tumor and 11 metastatic tumor. Tumor foci were mainly in thoracic and lumbar spine. Graded by Frankel classification of spinal injuries, there were 1 case of grade A, 1 of grade B, 3 of grade C, 5 of grade D and 5 of grade E. Tumors of upper lumbar spine and thoracic spine were resected through anterior approach. Posterior approach also was adopted once posterior column was affected. Tumors of lower lumbar spine were resected by two-staged operation: firstly, operation through posterior approach to reconstruct spinal stability: secondly, operation through anterior approach. After resection of tumor, the spines were fixed by Kaneda instrument, Steffee plate or Kirschner pins. To fuse the spine, bone grafting was used in benign tumor and bone cement used in malignant tumor. RESULTS Except one patient died from arrest of bone marrow, the others were followed up for 3 to 20 months. Postoperatively, 11 patients could sit up on one foot with the help of body supporter, and 9 patients could walk in two weeks under careful monitoring. There was no exacerbation of symptom and failure of fixation. The function of spinal cord was improved: 1 case from grade B to grade E, 1 from A to C, 2 from C to E and 4 from D to E. CONCLUSION The spine can be reconstructed for weight bearing early by internal fixation. The symptom can be relieved and the nervous function can be improved by resection of tumor and decompression.
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Affiliation(s)
- X A Wang
- Department of Orthopedic Surgery, People's Hospital of Hainan Province, Haikou, Hainan, P. R. China 570311
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Lu CX, Cheng BQ. [Radiosensitizing effects of Lycium barbarum polysaccharide for Lewis lung cancer]. Zhong Xi Yi Jie He Za Zhi 1991; 11:611-2, 582. [PMID: 1806310] [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: 12/28/2022]
Abstract
The radiosensitizing effects of the Lycium barbarum polysaccharide (LBP) were observed by the model transplanted Lewis lung cancer on C57 BL mice. When LBP alone was administered, it was not obvious that LBP inhibited the growth of Lewis lung cancer. The significant radiosensitizing effects were obtained by combination of LBP and radiation. The mean numerical value of the dose modifying factors (DMF) was 2.05. The results also showed certain radiation enhancement effects of LBP to acute hypoxic cells of Lewis lung cancer. LBP presented few toxicity to the mice.
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Affiliation(s)
- C X Lu
- Cancer Institute, Ningxia Medical College, Yinchuan
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15
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Lu CX. [Movement characteristics of the spermatozoa]. Sheng Li Ke Xue Jin Zhan 1990; 21:208-15. [PMID: 2244197] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
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Lu CX. [Use of a dufourmentel flap in repairing lumbosacral bed sore (a report of 7 cases)]. Zhonghua Zheng Xing Shao Shang Wai Ke Za Zhi 1989; 5:197-8, 238. [PMID: 2514027] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
Since March 1988, 7 patients with lumbosacral bed sore were repairing by Dufourmentel Flaps. The defects of bed sore were 4 X 5 cm to 9 X 8 cm. Excellent results were obtained. There was no case of recurrence after 18 to 30 months follow up. The advantages of this method are that the design and procedure are easy to perform by any beginner in plastic surgery. The theory and design of Dufourmentel Flap are present, operative technique are discussed in this article.
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Lu CX. [Biophysical foundation of antifertility by physical agents]. Shengzhi Yu Biyun 1984; 4:3-8. [PMID: 12267334] [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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Lu CX. [Physical characteristics of biological effects of microwaves]. Sheng Li Ke Xue Jin Zhan 1983; 14:249-253. [PMID: 6648459] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/21/2023]
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