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Liu Y, Yin S, Lu G, Du Y. The intersection of the nervous system and breast cancer. Cancer Lett 2024; 598:217132. [PMID: 39059572 DOI: 10.1016/j.canlet.2024.217132] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2024] [Revised: 07/15/2024] [Accepted: 07/18/2024] [Indexed: 07/28/2024]
Abstract
Breast cancer (BC) represents a paradigm of heterogeneity, manifesting as a spectrum of molecular subtypes with divergent clinical trajectories. It is fundamentally characterized by the aberrant proliferation of malignant cells within breast tissue, a process modulated by a myriad of factors that govern its progression. Recent endeavors outline the interplay between BC and the nervous system, illuminate the complex symbiosis between neural structures and neoplastic cells, and elucidate nerve dependence as a cornerstone of BC progression. This includes the neural modulations on immune response, neurovascular formation, and multisystem interactions. Such insights have unveiled the critical impact of neural elements on tumor dynamics and patient prognosis. This revelation beckons a deeper exploration into the neuro-oncological interface, potentially unlocking novel therapeutic vistas. This review endeavors to delineate the intricate mechanisms between the nervous system and BC, aiming to accentuate the implications and therapeutic strategies of this intersection for tumor evolution and the formulation of innovative therapeutic approaches.
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Affiliation(s)
- Yutong Liu
- Department of Breast Surgery, General Surgery Center, The First Hospital of Jilin University, No.71Xinmin Street, Changchun, Jilin, China
| | - Shiqi Yin
- Anhui University of Science and Technology Affiliated Fengxian Hospital, 6600 Nanfeng Road, Shanghai, China
| | - Guanyu Lu
- Cancer Center, The First Hospital of Jilin University, No.71Xinmin Street, Changchun, Jilin, China
| | - Ye Du
- Department of Breast Surgery, General Surgery Center, The First Hospital of Jilin University, No.71Xinmin Street, Changchun, Jilin, China.
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2
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Cao LL, Liu HR, Ji YJ, Zhang YT, Wang BQ, Xue XH, Wang P, Luo ZH, Wu HG. Research Progress of Vagal Nerve Regulation Mechanism in Acupuncture Treatment of Atrial Fibrillation. Chin J Integr Med 2024:10.1007/s11655-024-3660-5. [PMID: 38990478 DOI: 10.1007/s11655-024-3660-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/08/2023] [Indexed: 07/12/2024]
Abstract
Atrial fibrillation (AF) is the most common arrhythmia in clinical practice. It has a high prevalence and poor prognosis. The application of antiarrhythmic drugs and even surgery cannot completely treat the disease, and there are many sequelae. AF can be classified into the category of "palpitation" in Chinese medicine according to its symptoms. Acupuncture has a significant effect on AF. The authors find that an important mechanism of acupuncture in AF treatment is to regulate the cardiac vagus nerve. Therefore, this article intends to review the distribution and function of vagus nerve in the heart, the application and the regulatroy effect for the treatment of AF.
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Affiliation(s)
- Lu-Lu Cao
- Immunology Laboratory, Shanghai Research Institute of Acupuncture and Meridian, Shanghai, 200232, China
| | - Hui-Rong Liu
- Immunology Laboratory, Shanghai Research Institute of Acupuncture and Meridian, Shanghai, 200232, China
| | - Ya-Jie Ji
- Breast Disease Department, Yueyang Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, 200437, China
| | - Yin-Tao Zhang
- Graduate College, Tianjin University of Traditional Chinese Medicine, Tianjin, 301617, China
| | - Bing-Quan Wang
- Department of Acupuncture and Moxibusion Tuina Traumatology, Shanghai Sixth People's Hospital, Shanghai, 200233, China
| | - Xiao-Hong Xue
- Breast Disease Department, Yueyang Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, 200437, China
| | - Pei Wang
- Graduate College, Shanghai University of Traditional Chinese Medicine, Shanghai, 201203, China
| | - Zhi-Hui Luo
- Graduate College, Shanghai University of Traditional Chinese Medicine, Shanghai, 201203, China
| | - Huan-Gan Wu
- Immunology Laboratory, Shanghai Research Institute of Acupuncture and Meridian, Shanghai, 200232, China.
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3
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Wang L, Ge J, Han H, Jia Y, Qin Y. Crosstalk between the nervous system and tumor microenvironment: Functional aspects and potential therapeutic strategies. Cancer Lett 2024; 594:216986. [PMID: 38797233 DOI: 10.1016/j.canlet.2024.216986] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2024] [Revised: 05/19/2024] [Accepted: 05/23/2024] [Indexed: 05/29/2024]
Abstract
Recent advancements in understanding the tumor microenvironment (TME) have highlighted the critical role of the nervous system in cancer progression. This review comprehensively examines how the nervous system influences various aspects of tumorigenesis, including growth, motility, immune response, angiogenesis, and the behavior of cancer-associated fibroblasts (CAFs). We delineate the neurodevelopmental mechanisms associated with cancer, such as the secretion of neurotrophins and exosomes by cancer cells. Furthermore, we explore the emerging therapeutic strategy of targeting nerves associated with tumors. Evidence supporting this approach includes studies demonstrating direct tumor growth inhibition, enhanced efficacy of immunotherapy when combined with nervous system-modulating drugs, and the suppression of tumor blood vessel formation through nerve targeting. Finally, we discuss the current challenges in this field and emphasize the need for further exploration within cancer neuroscience.
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Affiliation(s)
- Lei Wang
- Department of Oncology, The First Affiliated Hospital of Zhengzhou University, No.1, Jianshe East Road, Zhengzhou, 450052, PR China
| | - Jingjing Ge
- Department of Medical Oncology, State Key Laboratory of Oncology in South China, Sun Yat-Sen University Cancer Center, No. 651, Dongfeng Road East, Guangzhou, 510060, PR China
| | - Huiqiong Han
- Department of Oncology, The First Affiliated Hospital of Zhengzhou University, No.1, Jianshe East Road, Zhengzhou, 450052, PR China
| | - Yongxu Jia
- Department of Oncology, The First Affiliated Hospital of Zhengzhou University, No.1, Jianshe East Road, Zhengzhou, 450052, PR China
| | - Yanru Qin
- Department of Oncology, The First Affiliated Hospital of Zhengzhou University, No.1, Jianshe East Road, Zhengzhou, 450052, PR China.
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4
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Zhang Z, Lv ZG, Lu M, Li H, Zhou J. Nerve-tumor crosstalk in tumor microenvironment: From tumor initiation and progression to clinical implications. Biochim Biophys Acta Rev Cancer 2024; 1879:189121. [PMID: 38796026 DOI: 10.1016/j.bbcan.2024.189121] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2023] [Revised: 04/25/2024] [Accepted: 05/19/2024] [Indexed: 05/28/2024]
Abstract
The autonomic nerve system (ANS) innervates organs and tissues throughout the body and maintains functional balance among various systems. Further investigations have shown that excessive activation of ANS not only causes disruption of homeostasis, but also may promote tumor formation. In addition, the dynamic interaction between nerve and tumor cells in the tumor microenvironment also regulate tumor progression. On the one hand, nerves are passively invaded by tumor cells, that is, perineural invasion (PNI). On the other hand, compared with normal tissues, tumor tissues are subject to more abundant innervation, and nerves can influence tumor progression through regulating tumor proliferation, metastasis and drug resistance. A large number of studies have shown that nerve-tumor crosstalk, including PNI and innervation, is closely related to the prognosis of patients, and contributes to the formation of cancer pain, which significantly deteriorates the quality of life for patients. These findings suggest that nerve-tumor crosstalk represents a potential target for anti-tumor therapies and the management of cancer pain in the future. In this review, we systematically describe the mechanism by which nerve-tumor crosstalk regulates tumorigenesis and progression.
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Affiliation(s)
- Zheng Zhang
- Department of Surgery, School of Medicine, Southeast University, Nanjing 210009, Jiangsu Province, China
| | - Zhen Gang Lv
- Department of Surgery, School of Medicine, Southeast University, Nanjing 210009, Jiangsu Province, China
| | - Miao Lu
- Department of Hepato-Pancreatico-Biliary Surgery, Zhongda Hospital Southeast University, Nanjing 210009, Jiangsu Province, China
| | - Haifeng Li
- Department of Hepato-Pancreatico-Biliary Surgery, Zhongda Hospital Southeast University, Nanjing 210009, Jiangsu Province, China
| | - Jiahua Zhou
- Department of Hepato-Pancreatico-Biliary Surgery, Zhongda Hospital Southeast University, Nanjing 210009, Jiangsu Province, China.
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5
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Wan YX, Qi XW, Lian YY, Liu ZY, Wang H, Qiu YQ, Zhang CG, Li WN, Jiang HL, Yang DH, Zhao W, Chen ZS, Huang JC. Electroacupuncture facilitates vascular normalization by inhibiting Glyoxalase1 in endothelial cells to attenuate glycolysis and angiogenesis in triple-negative breast cancer. Cancer Lett 2024; 598:217094. [PMID: 38945204 DOI: 10.1016/j.canlet.2024.217094] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2024] [Revised: 06/13/2024] [Accepted: 06/27/2024] [Indexed: 07/02/2024]
Abstract
Recent therapeutic strategies for the treatment of triple-negative breast cancer (TNBC) have shifted the focus from vascular growth factors to endothelial cell metabolism. This study highlights the underexplored therapeutic potential of peri-tumoral electroacupuncture, a globally accepted non-pharmacological intervention for TNBC, and molecular mechanisms. Our study showed that peri-tumoral electroacupuncture effectively reduced the density of microvasculature and enhanced vascular functionality in 4T1 breast cancer xenografts, with optimal effects on day 3 post-acupuncture. The timely integration of peri-tumoral electroacupuncture amplified the anti-tumor efficacy of paclitaxel. Multi-omics analysis revealed Glyoxalase 1 (Glo1) and the associated methylglyoxal-glycolytic pathway as key mediators of electroacupuncture-induced vascular normalization. Peri-tumoral electroacupuncture notably reduced Glo1 expression in the endothelial cells of 4T1 xenografts. Using an in vivo matrigel plug angiogenesis assay, we demonstrated that either Glo1 knockdown or electroacupuncture inhibited angiogenesis. In contrast, Glo1 overexpression increased blood vessel formation. In vitro pharmacological inhibition and genetic knockdown of Glo1 in human umbilical vein endothelial cells inhibited proliferation and promoted apoptosis via downregulating the methylglyoxal-glycolytic pathway. The study using the Glo1-silenced zebrafish model further supported the role of Glo1 in vascular development. This study underscores the pivotal role of Glo1 in peri-tumoral electroacupuncture, spotlighting a promising avenue for enhancing vascular normalization and improving TNBC treatment outcomes.
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Affiliation(s)
- Yu-Xiang Wan
- The Third Affiliated Hospital, Beijing University of Chinese Medicine, Beijing, 100029, China
| | - Xue-Wei Qi
- Beijing Tsinghua Changgung Hospital, School of Clinical Medicine, Tsinghua University, Beijing, 100029, China
| | - Yan-Yan Lian
- The Third Affiliated Hospital, Beijing University of Chinese Medicine, Beijing, 100029, China
| | - Ze-Yu Liu
- Sun Yat-sen University Cancer Center, Guangzhou, 510060, China
| | - Hui Wang
- The Third Affiliated Hospital, Beijing University of Chinese Medicine, Beijing, 100029, China
| | - Yu-Qin Qiu
- The First Affiliated Hospital of Chongqing Medical University, Chongqing, 400016, China
| | - Chun-Guang Zhang
- The Third Affiliated Hospital, Beijing University of Chinese Medicine, Beijing, 100029, China
| | - Wen-Na Li
- The Third Affiliated Hospital, Beijing University of Chinese Medicine, Beijing, 100029, China
| | - Hong-Lin Jiang
- The Third Affiliated Hospital, Beijing University of Chinese Medicine, Beijing, 100029, China
| | - Dong-Hua Yang
- New York College of Traditional Chinese Medicine, Mineola, NY, 11501, USA
| | - Wei Zhao
- Guanganmen Hospital, Chinese Academy of Traditional Chinese Medicine, Beijing, 100029, China
| | - Zhe-Sheng Chen
- Department of Pharmaceutical Sciences, College of Pharmacy and Health Sciences, St. John's University, Queens, NY, 11439, USA.
| | - Jin-Chang Huang
- The Third Affiliated Hospital, Beijing University of Chinese Medicine, Beijing, 100029, China.
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Shu LZ, Ding YD, Zhang JY, He RS, Xiao L, Pan BX, Deng H. Interactions between MDSCs and the Autonomic Nervous System: Opportunities and Challenges in Cancer Neuroscience. Cancer Immunol Res 2024; 12:652-662. [PMID: 38568775 DOI: 10.1158/2326-6066.cir-23-0976] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2023] [Revised: 01/11/2024] [Accepted: 03/19/2024] [Indexed: 04/05/2024]
Abstract
Myeloid-derived suppressor cells (MDSC) are a population of heterogeneous immune cells that are involved in precancerous conditions and neoplasms. The autonomic nervous system (ANS), which is composed of the sympathetic nervous system and the parasympathetic nervous system, is an important component of the tumor microenvironment that responds to changes in the internal and external environment mainly through adrenergic and cholinergic signaling. An abnormal increase of autonomic nerve density has been associated with cancer progression. As we discuss in this review, growing evidence indicates that sympathetic and parasympathetic signals directly affect the expansion, mobilization, and redistribution of MDSCs. Dysregulated autonomic signaling recruits MDSCs to form an immunosuppressive microenvironment in chronically inflamed tissues, resulting in abnormal proliferation and differentiation of adult stem cells. The two components of the ANS may also be responsible for the seemingly contradictory behaviors of MDSCs. Elucidating the underlying mechanisms has the potential to provide more insights into the complex roles of MDSCs in tumor development and lay the foundation for the development of novel MDSC-targeted anticancer strategies.
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Affiliation(s)
- Lin-Zhen Shu
- The Fourth Affiliated Hospital, Jiangxi Medical College, Nanchang University, Nanchang, Jiangxi, China
- Rehabiliation Hospital, Jiangxi Medical College, Nanchang University, Nanchang, Jiangxi, China
- Tumor Immunology Institute, Nanchang University, Nanchang, Jiangxi, China
- Jiangxi Medical College, Nanchang University, Nanchang, Jiangxi, China
| | - Yi-Dan Ding
- The Fourth Affiliated Hospital, Jiangxi Medical College, Nanchang University, Nanchang, Jiangxi, China
- Rehabiliation Hospital, Jiangxi Medical College, Nanchang University, Nanchang, Jiangxi, China
- Tumor Immunology Institute, Nanchang University, Nanchang, Jiangxi, China
- Jiangxi Medical College, Nanchang University, Nanchang, Jiangxi, China
| | - Jin-Yao Zhang
- School of Basic Medical Sciences, Jiangxi Medical College, Nanchang University, Nanchang, Jiangxi, China
| | - Rui-Shan He
- The Fourth Affiliated Hospital, Jiangxi Medical College, Nanchang University, Nanchang, Jiangxi, China
- Rehabiliation Hospital, Jiangxi Medical College, Nanchang University, Nanchang, Jiangxi, China
- Tumor Immunology Institute, Nanchang University, Nanchang, Jiangxi, China
- Jiangxi Medical College, Nanchang University, Nanchang, Jiangxi, China
| | - Li Xiao
- The Fourth Affiliated Hospital, Jiangxi Medical College, Nanchang University, Nanchang, Jiangxi, China
- Rehabiliation Hospital, Jiangxi Medical College, Nanchang University, Nanchang, Jiangxi, China
- Tumor Immunology Institute, Nanchang University, Nanchang, Jiangxi, China
- Jiangxi Medical College, Nanchang University, Nanchang, Jiangxi, China
| | - Bing-Xing Pan
- Laboratory of Fear and Anxiety Disorders, Institute of Biomedical Innovation, Jiangxi Medical College, Nanchang University, Nanchang, Jiangxi, China
- The MOE Basic Research and Innovation Center for the Targeted Therapeutics of Solid Tumors, Jiangxi Medical College, Nanchang University, Nanchang, Jiangxi, China
| | - Huan Deng
- The Fourth Affiliated Hospital, Jiangxi Medical College, Nanchang University, Nanchang, Jiangxi, China
- Rehabiliation Hospital, Jiangxi Medical College, Nanchang University, Nanchang, Jiangxi, China
- Tumor Immunology Institute, Nanchang University, Nanchang, Jiangxi, China
- The MOE Basic Research and Innovation Center for the Targeted Therapeutics of Solid Tumors, Jiangxi Medical College, Nanchang University, Nanchang, Jiangxi, China
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Zhang ZY, Xu JH, Zhang JL, Lin YX, Ou-Yang J. CD276 enhances sunitinib resistance in clear cell renal cell carcinoma by promoting DNA damage repair and activation of FAK-MAPK signaling pathway. BMC Cancer 2024; 24:650. [PMID: 38802739 PMCID: PMC11131182 DOI: 10.1186/s12885-024-12402-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2023] [Accepted: 05/20/2024] [Indexed: 05/29/2024] Open
Abstract
OBJECTIVE This study aimed to explore the effect of CD276 expression on the sunitinib sensitivity of clear cell renal cell carcinoma (ccRCC) cell and animal models and the potential mechanisms involved. METHODS CD276 expression levels of ccRCC and normal samples were analyzed via online databases and real-time quantitative PCR (RT-qPCR). CD276 was knocked down in ccRCC cell models (sunitinib-resistant 786-O/R cells and sunitinib-sensitive 786-O cells) using shRNA transfection, and the cells were exposed to a sunitinib (2 µM) environment. Cells proliferation was then analyzed using MTT assay and colony formation experiment. Alkaline comet assay, immunofluorescent staining, and western blot experiments were conducted to assess the DNA damage repair ability of the cells. Western blot was also used to observe the activation of FAK-MAPK pathway within the cells. Finally, a nude mouse xenograft model was established and the nude mice were orally administered sunitinib (40 mg/kg/d) to evaluate the in vivo effects of CD276 knockdown on the therapeutic efficacy of sunitinib against ccRCC. RESULTS CD276 was significantly upregulated in both ccRCC clinical tissue samples and cell models. In vitro experiments showed that knocking down CD276 reduced the survival rate, IC50 value, and colony-forming ability of ccRCC cells. Knocking down CD276 increased the comet tail moment (TM) values and γH2AX foci number, and reduced BRCA1 and RAD51 protein levels. Knocking down CD276 also decreased the levels of p-FAK, p-MEK, and p-ERK proteins. CONCLUSION Knocking down CD276 effectively improved the sensitivity of ccRCC cell and animal models to sunitinib treatment.
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Affiliation(s)
- Zhi-Yu Zhang
- Department of Urology, The First Affiliated Hospital of Soochow University, Suzhou, Jiangsu, 215000, China
| | - Jian-Hao Xu
- Department of Pathology, The First People's Hospital of Kunshan, Suzhou, Jiangsu, 215300, China
| | - Jiang-Lei Zhang
- Department of Urology, The First Affiliated Hospital of Soochow University, Suzhou, Jiangsu, 215000, China
| | - Yu-Xin Lin
- Department of Urology, The First Affiliated Hospital of Soochow University, Suzhou, Jiangsu, 215000, China
| | - Jun Ou-Yang
- Department of Urology, The First Affiliated Hospital of Soochow University, Suzhou, Jiangsu, 215000, China.
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Xu Y, Yu J, Shen R, Shan X, Zhou W, Wang J. Comparison efficacy and safety of acupuncture and moxibustion therapies in breast cancer-related lymphedema: A systematic review and network meta-analysis. PLoS One 2024; 19:e0303513. [PMID: 38743748 PMCID: PMC11093363 DOI: 10.1371/journal.pone.0303513] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2023] [Accepted: 04/19/2024] [Indexed: 05/16/2024] Open
Abstract
OBJECTIVE Although several acupuncture and moxibustion therapies have been tested in managing breast cancer-related lymphedema (BCRL), there is little consensus regarding the best options for treating this condition. This systematic review and network meta-analysis compared the efficacy of various acupuncture and/or moxibustion therapies for BCRL. METHODS Seven databases and two clinical registration centers were searched from their inception to December 1st, 2023. The Cochrane Collaboration risk-of-bias assessment tool evaluated the quality of included RCTs. A pairwise meta-analysis was performed in STATA 16.0, while a network meta-analysis was performed in R 4.2.2. RESULTS 18 studies were included in this analysis. Our results showed that acupuncture and moxibustion methods had great advantages in improving BCRL of patients with breast cancer. In particular, needle-warming moxibustion (NWM) could be the optimal acupuncture and moxibustion method for improving clinical effectiveness and reducing the degree of swelling of affected limbs. CONCLUSION Our findings suggest that NWM has great potential in treating BCRL. It may reduce arm circumference, lower swelling levels, and improve clinical effectiveness. Nevertheless, more multi-center, high-quality, and large sample RCTs will be needed in the future.
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Affiliation(s)
- Yawen Xu
- School of Nursing, Zhejiang Chinese Medical University, Hangzhou, Zhejiang, China
| | - Jiangxuan Yu
- School of Nursing, Zhejiang Chinese Medical University, Hangzhou, Zhejiang, China
| | - Rui Shen
- School of Nursing, Zhejiang Chinese Medical University, Hangzhou, Zhejiang, China
| | - Xueqi Shan
- School of Nursing, Zhejiang Chinese Medical University, Hangzhou, Zhejiang, China
| | - Wenlu Zhou
- School of Nursing, Zhejiang Chinese Medical University, Hangzhou, Zhejiang, China
| | - Junjie Wang
- School of Nursing, Zhejiang Chinese Medical University, Hangzhou, Zhejiang, China
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9
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Bissoto JR, Silva Júnior JURD, Alvares GP, Santos FH, Len CA. Acupuncture for pediatric chronic pain: A systematic review. J Pediatr (Rio J) 2024:S0021-7557(24)00055-X. [PMID: 38697213 DOI: 10.1016/j.jped.2024.03.013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/04/2023] [Revised: 02/29/2024] [Accepted: 03/05/2024] [Indexed: 05/04/2024] Open
Abstract
OBJECTIVES To survey, analyze and discuss the scientific evidence supporting the use of acupuncture and related techniques in the management of chronic pain in the pediatric population. SOURCES A survey of databases (MEDLINE, Scopus and Scielo) was carried out with search strategies, following the PRISMA statement, without limits on publication dates and languages. Clinical studies (clinical trials, single-arm, and case series) were accepted for review if they included participants aged up to 22 years. Study quality was assessed by MMAT, and the randomized clinical trial was analyzed under the STRICTA criteria. SUMMARY OF THE FINDINGS 2369 articles were retrieved. After excluding repetitions, 1335 underwent the initial selection. Only 16 articles were selected for full reading, of which 5 were included in the review, being two case series, two single-arm studies, and one randomized clinical trial. The articles were considered of good quality by the adopted criteria. CONCLUSION The analyzed studies showed important clinical results such as the reduction of pain intensity, and improvement in school attendance and social life. However, there are many limitations in study design and sample size. Therefore, there is weak evidence to support the use of acupuncture in the context of pediatric chronic pain, but the positive results reinforce the need for further investigation of the topic with the conduct of larger and well-designed studies, to obtain more data and greater scientific conviction of the findings.
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Affiliation(s)
- João Roberto Bissoto
- Departamento de Pediatria, Grupo de Reumatologia Pediátrica, Universidade Federal de São Paulo, São Paulo, SP, Brazil; Departamento de Ortopedia e Traumatologia, Grupo de Acupuntura, Universidade Federal de São Paulo, São Paulo, SP, Brazil.
| | | | - Gabrielle Pignoli Alvares
- Departamento de Psicologia, Campus Bauru, Universidade Estadual Paulista Julio de Mesquita Filho, Bauru, SP, Brazil
| | - Flávia H Santos
- School of Psychology, University College Dublin, Dublin, Ireland
| | - Claudio Arnaldo Len
- Departamento de Pediatria, Grupo de Reumatologia Pediátrica, Universidade Federal de São Paulo, São Paulo, SP, Brazil
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10
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Yan L, Li H, Qian Y, Liu Q, Cong S, Dou B, Wang Y, Wang M, Yu T. Acupuncture modulates the gut microbiota in Alzheimer's disease: current evidence, challenges, and future opportunities. Front Neurosci 2024; 18:1334735. [PMID: 38495110 PMCID: PMC10940355 DOI: 10.3389/fnins.2024.1334735] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2023] [Accepted: 02/19/2024] [Indexed: 03/19/2024] Open
Abstract
Alzheimer's disease, one of the most severe and common neurodegenerative diseases, has no effective cure. Therefore it is crucial to explore novel and effective therapeutic targets. The gut microbiota - brain axis has been found to play a role in Alzheimer's disease by regulating the neuro-immune and endocrine systems. At the same time, acupuncture can modulate the gut microbiota and may impact the course of Alzheimer's disease. In this Review, we discuss recent studies on the role of acupuncture on the gut microbiota as well current challenges and future opportunities of acupuncture as potential treatment for the prevention and treatment of Alzheimer's disease.
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Affiliation(s)
- Long Yan
- The First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, Tianjin, China
- National Clinical Research Center for Acupuncture and Moxibustion, Tianjin, China
| | - Hong Li
- The First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, Tianjin, China
- National Clinical Research Center for Acupuncture and Moxibustion, Tianjin, China
| | - Yulin Qian
- The First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, Tianjin, China
| | - Qidi Liu
- The First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, Tianjin, China
- National Clinical Research Center for Acupuncture and Moxibustion, Tianjin, China
| | - Shan Cong
- The First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, Tianjin, China
- National Clinical Research Center for Acupuncture and Moxibustion, Tianjin, China
| | - Baomin Dou
- National Clinical Research Center for Acupuncture and Moxibustion, Tianjin, China
| | - Yu Wang
- The First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, Tianjin, China
| | - Meng Wang
- The First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, Tianjin, China
| | - Tao Yu
- The First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, Tianjin, China
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11
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Wang Y, Liu F, Du X, Shi J, Yu R, Li S, Na R, Zhao Y, Zhou M, Guo Y, Cheng L, Wang G, Zheng T. Combination of Anti-PD-1 and Electroacupuncture Induces a Potent Antitumor Immune Response in Microsatellite-Stable Colorectal Cancer. Cancer Immunol Res 2024; 12:26-35. [PMID: 37956404 DOI: 10.1158/2326-6066.cir-23-0309] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2023] [Revised: 08/22/2023] [Accepted: 11/07/2023] [Indexed: 11/15/2023]
Abstract
Programmed death receptor-1 (PD-1) inhibitors are ineffective against microsatellite-stable (MSS) colorectal cancer. Electroacupuncture (EA) has oncosuppressive and immunomodulatory properties. Here, we investigated the antitumor effects of EA and explored the feasibility of EA combined with anti-PD-1 in MSS colorectal cancer. Results showed that EA exerted its antitumor effect in an intensity-specific manner, and moderate-intensity EA (1.0 mA) induced maximal tumor inhibition. EA enhanced antitumor immune responses by increasing lymphocytes and granzyme B (GzmB) levels, as well as activating the stimulator of IFN genes (STING) pathway. EA combined with anti-PD-1 showed superior efficacy compared with either monotherapy in multiple MSS colorectal cancer mouse models. Single-cell RNA sequencing revealed that cotreatment reprogrammed the tumor immune microenvironment (TIME), as characterized by enhancement of cytotoxic functions. Mechanically, we found that the potentiated effect of EA was dependent upon the STING pathway. Collectively, EA reshapes the TIME of MSS colorectal cancer and sensitizes tumors to anti-PD-1 in a STING pathway-dependent manner. These results provide a mechanistic rationale for using EA as an immunomodulatory strategy to improve the clinical efficacy of anti-PD-1 in MSS colorectal cancer. EA is safe, well-tolerated, and feasible for clinical translation as a promising strategy for treating MSS colorectal cancer.
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Affiliation(s)
- Yuan Wang
- Department of Gastrointestinal Medical Oncology, Harbin Medical University Cancer Hospital, Harbin, P. R. China
- Department of Phase 1 Trials Center, Harbin Medical University Cancer Hospital, Harbin, P. R. China
- Heilongjiang Province Key Laboratory of Molecular Oncology, Harbin, P. R. China
| | - Fengyi Liu
- Department of Integrated Traditional Chinese and Western Medicine, First Affiliated Hospital of Harbin Medical University, Harbin, P. R. China
- Heilongjiang University of Chinese Medicine, Harbin, P. R. China
| | - Xiaoxue Du
- Department of Gastrointestinal Medical Oncology, Harbin Medical University Cancer Hospital, Harbin, P. R. China
- Department of Phase 1 Trials Center, Harbin Medical University Cancer Hospital, Harbin, P. R. China
- Heilongjiang Province Key Laboratory of Molecular Oncology, Harbin, P. R. China
| | - Jiaqi Shi
- Department of Phase 1 Trials Center, Harbin Medical University Cancer Hospital, Harbin, P. R. China
- Heilongjiang Province Key Laboratory of Molecular Oncology, Harbin, P. R. China
| | - Rui Yu
- College of Bioinformatics Science and Technology, Harbin Medical University, Harbin, P. R. China
| | - Shuang Li
- Department of Gastrointestinal Medical Oncology, Harbin Medical University Cancer Hospital, Harbin, P. R. China
- Heilongjiang Province Key Laboratory of Molecular Oncology, Harbin, P. R. China
| | - Ruisi Na
- Department of Gastrointestinal Medical Oncology, Harbin Medical University Cancer Hospital, Harbin, P. R. China
- Department of Phase 1 Trials Center, Harbin Medical University Cancer Hospital, Harbin, P. R. China
- Heilongjiang Province Key Laboratory of Molecular Oncology, Harbin, P. R. China
| | - Ying Zhao
- Department of Gastrointestinal Medical Oncology, Harbin Medical University Cancer Hospital, Harbin, P. R. China
- Department of Phase 1 Trials Center, Harbin Medical University Cancer Hospital, Harbin, P. R. China
- Heilongjiang Province Key Laboratory of Molecular Oncology, Harbin, P. R. China
| | - Meng Zhou
- Department of Gastrointestinal Medical Oncology, Harbin Medical University Cancer Hospital, Harbin, P. R. China
- Department of Phase 1 Trials Center, Harbin Medical University Cancer Hospital, Harbin, P. R. China
- Heilongjiang Province Key Laboratory of Molecular Oncology, Harbin, P. R. China
| | - Ying Guo
- Heilongjiang Province Key Laboratory of Molecular Oncology, Harbin, P. R. China
| | - Liang Cheng
- College of Bioinformatics Science and Technology, NHC Key Laboratory of Molecular Probe and Targeted Diagnosis and Therapy, Harbin Medical University, Harbin, P. R. China
| | - Guangyu Wang
- Department of Gastrointestinal Medical Oncology, Harbin Medical University Cancer Hospital, Harbin, P. R. China
- Department of Phase 1 Trials Center, Harbin Medical University Cancer Hospital, Harbin, P. R. China
| | - Tongsen Zheng
- Department of Gastrointestinal Medical Oncology, Harbin Medical University Cancer Hospital, Harbin, P. R. China
- Department of Phase 1 Trials Center, Harbin Medical University Cancer Hospital, Harbin, P. R. China
- Heilongjiang Province Key Laboratory of Molecular Oncology, Harbin, P. R. China
- Heilongjiang Cancer Institute, Harbin, P. R. China
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Yuan C, Wu S, Wu Y, Tian C, Wang Z, Zhang X. Effects of Traditional Chinese Medicine "Fuzheng Qingdu Decoction" on Autonomic Function and Cancer-Related Symptoms in Patients with Advanced Gastric Cancer undergoing Chemotherapy: A Controlled Trial. Integr Cancer Ther 2024; 23:15347354241229414. [PMID: 38323452 PMCID: PMC10851715 DOI: 10.1177/15347354241229414] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2023] [Revised: 12/16/2023] [Accepted: 01/15/2024] [Indexed: 02/08/2024] Open
Abstract
OBJECTIVE To evaluate the effects of Fuzheng Qingdu Decoction (FZQDD) on the autonomic function and cancer-related symptoms of patients with advanced gastric cancer undergoing chemotherapy to verify its clinical efficacy. METHODS Sixty-two patients with stage III or IV gastric cancer were included in this study. The patients were divided into 2 groups: the chemotherapy (33 patients) and chemotherapy with FZQDD (29 patients) groups. The primary outcome was the autonomic function of the patients before and after the interventions. The parameters that were used to assess autonomic function were deceleration capacity (DC) and acceleration capacity (AC) of heart rate and heart rate variability (HRV), which comprised standard deviation of the normal-normal interval (SDNN), root mean square of successive interval differences (RMSSD), low-frequency power (LF), high-frequency power (HF), total power (TP), and LF-HF ratio. The secondary outcomes were cancer-related symptoms and the quality of life. RESULTS DC and HRV parameters (ie, SDNN, RMSSD, LF, HF, and TP) were significantly decreased in the chemotherapy group; however, AC significantly increased after the interventions. No significant differences were observed in the DC, AC, and HRV parameters before and after the interventions in the chemotherapy with FZQDD group. Nevertheless, the changes in DC, AC, and HRV parameters (SDNN, RMSSD, HF, and TP) before and after the interventions were statistically significant between both the groups. FZQDD significantly improved the cancer-related symptoms and the quality of life of the patients. CONCLUSIONS Oxaliplatin combined with S-1 (tegafur, gimeracil, and oteracil potassium) can impair autonomic modulation in patients with advanced gastric cancer. FZQDD can alleviate autonomic dysfunction by increasing the parasympathetic activity and decreasing the sympathetic tone, helping patients restore the dynamic sympathovagal balance, and significantly improving the cancer-related symptoms and the quality of life of patients.
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Affiliation(s)
- Chengjia Yuan
- Clinical Traditional Chinese Medical College, Yangzhou University, Yangzhou, Jiangsu, China
| | - Shuang Wu
- Clinical Traditional Chinese Medical College, Yangzhou University, Yangzhou, Jiangsu, China
| | - Yang Wu
- Clinical Traditional Chinese Medical College, Yangzhou University, Yangzhou, Jiangsu, China
| | - Cuiling Tian
- Clinical Traditional Chinese Medical College, Yangzhou University, Yangzhou, Jiangsu, China
| | - Zaichuan Wang
- Clinical Traditional Chinese Medical College, Yangzhou University, Yangzhou, Jiangsu, China
| | - Xiaochun Zhang
- Clinical Traditional Chinese Medical College, Yangzhou University, Yangzhou, Jiangsu, China
- Yangzhou Hospital of Traditional Chinese Medicine, Yangzhou, Jiangsu, China
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Wu S, Guan W, Zhao H, Li G, Zhou Y, Shi B, Zhang X. Prognostic role of short-term heart rate variability and deceleration/acceleration capacities of heart rate in extensive-stage small cell lung cancer. Front Physiol 2023; 14:1277383. [PMID: 38028778 PMCID: PMC10663334 DOI: 10.3389/fphys.2023.1277383] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2023] [Accepted: 10/26/2023] [Indexed: 12/01/2023] Open
Abstract
Background: Prior research suggests that autonomic modulation investigated by heart rate variability (HRV) might act as a novel predictive biomarker for cancer prognosis, such as in breast cancer and pancreatic cancer. It is not clear whether there is a correlation between autonomic modulation and prognosis in patients with extensive-stage small cell lung cancer (ES-SCLC). Therefore, the purpose of the study was to examine the association between short-term HRV, deceleration capacity (DC) and acceleration capacity (AC) of heart rate and overall survival in patients with ES-SCLC. Methods: We recruited 40 patients with ES-SCLC, and 39 were included in the final analysis. A 5-min resting electrocardiogram of patients with ES-SCLC was collected using a microelectrocardiogram recorder to analyse short-term HRV, DC and AC. The following HRV parameters were used: standard deviation of the normal-normal intervals (SDNN) and root mean square of successive interval differences (RMSSD). Overall survival of patients with ES-SCLC was defined as time from the date of electrocardiogram measurement to the date of death or the last follow-up. Follow-up was last performed on 07 June 2023. There was a median follow-up time of 42.2 months. Results: Univariate analysis revealed that the HRV parameter SDNN, as well as DC significantly predicted the overall survival of ES-SCLC patients (all p < 0.05). Multivariate analysis showed that the HRV parameters SDNN (hazard ratio = 5.254, 95% CI: 1.817-15.189, p = 0.002), RMSSD (hazard ratio = 3.024, 95% CI: 1.093-8.372, p = 0.033), as well as DC (hazard ratio = 3.909, 95% CI: 1.353-11.293, p = 0.012) were independent prognostic factors in ES-SCLC patients. Conclusion: Decreased HRV parameters (SDNN, RMSSD) and DC are independently associated with shorter overall survival in ES-SCLC patients. Autonomic nervous system function (assessed based on HRV and DC) may be a new biomarker for evaluating the prognosis of patients with ES-SCLC.
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Affiliation(s)
- Shuang Wu
- School of Medicine, Yangzhou University, Yangzhou, Jiangsu, China
- Department of Radiation Oncology, First Affiliated Hospital, Bengbu Medical College, Bengbu, Anhui, China
| | - Weizheng Guan
- School of Medical Imaging, Bengbu Medical College, Bengbu, Anhui, China
- Anhui Key Laboratory of Computational Medicine and Intelligent Health, Bengbu Medical College, Bengbu, Anhui, China
| | - Huan Zhao
- School of Medical Imaging, Bengbu Medical College, Bengbu, Anhui, China
- Anhui Key Laboratory of Computational Medicine and Intelligent Health, Bengbu Medical College, Bengbu, Anhui, China
| | - Guangqiao Li
- School of Medical Imaging, Bengbu Medical College, Bengbu, Anhui, China
- Anhui Key Laboratory of Computational Medicine and Intelligent Health, Bengbu Medical College, Bengbu, Anhui, China
| | - Yufu Zhou
- Department of Radiation Oncology, First Affiliated Hospital, Bengbu Medical College, Bengbu, Anhui, China
| | - Bo Shi
- School of Medical Imaging, Bengbu Medical College, Bengbu, Anhui, China
- Anhui Key Laboratory of Computational Medicine and Intelligent Health, Bengbu Medical College, Bengbu, Anhui, China
| | - Xiaochun Zhang
- School of Medicine, Yangzhou University, Yangzhou, Jiangsu, China
- Department of Oncology, Yangzhou Hospital of Traditional Chinese Medicine, Yangzhou, Jiangsu, China
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14
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Han N, Jiang W, Li G, Lu L, Shan J, Feng L, Jin L. Low-intensity pulsed ultrasound at ST36 improves the gastric motility by TNF-α/IKKβ/NF-κB signaling pathway in diabetic rats. J Gastroenterol Hepatol 2023; 38:2018-2026. [PMID: 37581362 DOI: 10.1111/jgh.16321] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/17/2023] [Revised: 07/17/2023] [Accepted: 07/25/2023] [Indexed: 08/16/2023]
Abstract
BACKGROUND AND AIM Low-intensity pulsed ultrasound (LIPUS) can effectively regulate the central and peripheral nervous system. However, whether LIPUS could act on acupuncture points to modulate the activity of peripheral nervous has rarely been studied. Our study aimed to investigate whether LIPUS at ST36 could improve gastric emptying in diabetic gastroparesis rats. METHODS Sprague-Dawley male rats were divided into three groups: control group (CON), diabetic gastroparesis group (DM), and diabetic gastroparesis LIPUS treated group (LIPUS). The body weight and blood glucose were recorded every week. Glucose tolerance, gastric emptying rate, and gastric motility were measured before and after treatment. Gastric motility was assessed by ultrasonic examination and Muscle strip experiment. The expression level of c-Kit was assessed by immunohistochemistry staining. Levels of TNF-α, p-NF-κB p-65, NF-κB p-65, and p-IKKβ, IKKβ were measured by western blot. RESULTS We reported LIPUS at an intensity of 0.88 W/cm2 exhibited significant differences in functional recovery of gastric delayed emptying in diabetic rats. Through ultrasound gastric motility functional testing and analysis of gastric antral smooth muscle strips indirectly and directly proved the effectiveness of LIPUS for the recovery of gastric delayed emptying. Pathological analysis and western blot indicated that the mechanism by which LIPUS applied to ST36 improved gastric motility may be partially attributed to the inhibition of the TNF-α/IKKβ/NF-κB signaling pathway, thereby rescuing the damaged interstitial cells of Cajal network. CONCLUSION LIPUS at ST36 improved the gastric motility and rescued the damaged networks of interstitial cells of Cajal. LIPUS may have a promising therapeutic potential for diabetic gastroparesis.
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Affiliation(s)
- Nie Han
- Department of Ultrasound, Guanghua Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai, China
- School of Exercise and Health, Shanghai University of Sport, Shanghai, China
| | - Weijun Jiang
- Department of Gastroenterology, Guanghua Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Guanheng Li
- Department of Ultrasound, Guanghua Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Lingling Lu
- Department of Ultrasound, Guanghua Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Jiali Shan
- Department of Ultrasound, Jiading District Central Hospital Affiliated Shanghai University of Medicine & Health Sciences, Shanghai, China
| | - Lan Feng
- Department of Ultrasound, Jiading District Central Hospital Affiliated Shanghai University of Medicine & Health Sciences, Shanghai, China
| | - Lin Jin
- Department of Ultrasound, Guanghua Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai, China
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15
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Zhang X, Yang W, Shang J, Dan W, Shi L, Tong L, Yang G. The lower He-sea points playing a significant role in postoperative ileus in colorectal cancer treated with acupuncture: based on machine-learning. Front Oncol 2023; 13:1206196. [PMID: 37564931 PMCID: PMC10411531 DOI: 10.3389/fonc.2023.1206196] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2023] [Accepted: 07/04/2023] [Indexed: 08/12/2023] Open
Abstract
Background Postoperative ileus (POI) is a common complication following abdominal surgery, which can lead to significant negative impacts on patients' well-being and healthcare costs. However, the efficacy of current treatments is not satisfactory. The purpose of this study was to evaluate the therapeutic effects of acupuncture intervention and explore the regulation of acupoint selection for treating POI in colorectal cancer (CRC) patients. Methods We searched eight electronic databases to identify randomized controlled trials (RCTs) on acupuncture for POI in CRC and conducted a meta-analysis. Subsequently, we utilized the Apriori algorithm and the Frequent pattern growth algorithm, in conjunction with complex network and cluster analysis, to identify association rules of acupoints. Results The meta-analysis showed that acupuncture led to significant reductions in time to first defecation (MD=-20.93, 95%CI: -25.35, -16.51; I2 = 93.0%; p < 0.01; n=2805), first flatus (MD=-15.08, 95%CI: -18.39, -11.76; I2 = 96%; p < 0.01; n=3284), and bowel sounds recovery (MD=-10.96, 95%CI: -14.20, -7.72; I2 = 94%; p < 0.01; n=2043). A subgroup analysis revealed that acupuncture not only reduced the duration of POI when administered alongside conventional care but also further expedited the recovery of gut function after colorectal surgery when integrated into the enhanced recovery after surgery (ERAS) pathway. The studies included in the analysis reported no instances of serious adverse events associated with acupuncture. We identified Zusanli (ST36), Shangjuxu (ST37), Neiguan (PC6), Sanyinjiao (SP6), Xiajuxu (ST39), Hegu (LI4), Tianshu (ST25), and Zhongwan (RN12) as primary acupoints for treating POI. Association rule mining suggested potential acupoint combinations including {ST37, ST39}≥{ST36}, {PC6, ST37}≥{ST36}, {SP6, ST37}≥{ST36}, and {ST25, ST37}≥{ST36}. Conclusion Meta-analysis indicates acupuncture's safety and superior effectiveness over postoperative care alone in facilitating gastrointestinal recovery. Machine-learning approaches highlight the importance of the lower He-sea points, including Zusanli (ST36) and Shangjuxu (ST37), in treating POI in CRC patients. Incorporating additional acupoints such as Neiguan (PC6) (for pain and vomiting) and Sanyinjiao (SP6) (for abdominal distension and poor appetite) can optimize treatment outcomes. These findings offer valuable insights for refining treatment protocols in both clinical and experimental settings, ultimately enhancing patient care.
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Affiliation(s)
- Xu Zhang
- Department of Nutrition, Beijing Hospital of Traditional Chinese Medicine, Capital Medical University, Beijing, China
| | - Wenjing Yang
- Department of Oncology, Beijing Hospital of Traditional Chinese Medicine, Capital Medical University, Beijing, China
| | - Junliang Shang
- Department of Surgery, Beijing Hospital of Traditional Chinese Medicine, Capital Medical University, Beijing, China
| | - Wenchao Dan
- School of Graduates, Capital Medical University, Beijing, China
| | - Lin Shi
- Department of Oncology, Beijing Hospital of Traditional Chinese Medicine, Capital Medical University, Beijing, China
| | - Li Tong
- Department of Nutrition, Beijing Hospital of Traditional Chinese Medicine, Capital Medical University, Beijing, China
| | - Guowang Yang
- Department of Oncology, Beijing Hospital of Traditional Chinese Medicine, Capital Medical University, Beijing, China
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Erin N, Szallasi A. Carcinogenesis and Metastasis: Focus on TRPV1-Positive Neurons and Immune Cells. Biomolecules 2023; 13:983. [PMID: 37371563 DOI: 10.3390/biom13060983] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2023] [Revised: 05/23/2023] [Accepted: 06/06/2023] [Indexed: 06/29/2023] Open
Abstract
Both sensory neurons and immune cells, albeit at markedly different levels, express the vanilloid (capsaicin) receptor, Transient Receptor Potential, Vanilloid-1 (TRPV1). Activation of TRPV1 channels in sensory afferent nerve fibers induces local effector functions by releasing neuropeptides (most notably, substance P) which, in turn, trigger neurogenic inflammation. There is good evidence that chronic activation or inactivation of this inflammatory pathway can modify tumor growth and metastasis. TRPV1 expression was also demonstrated in a variety of mammalian immune cells, including lymphocytes, dendritic cells, macrophages and neutrophils. Therefore, the effects of TRPV1 agonists and antagonists may vary depending on the prominent cell type(s) activated and/or inhibited. Therefore, a comprehensive understanding of TRPV1 activity on immune cells and nerve endings in distinct locations is necessary to predict the outcome of therapies targeting TRPV1 channels. Here, we review the neuro-immune modulation of cancer growth and metastasis, with focus on the consequences of TRPV1 activation in nerve fibers and immune cells. Lastly, the potential use of TRPV1 modulators in cancer therapy is discussed.
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Affiliation(s)
- Nuray Erin
- Department of Medical Pharmacology, School of Medicine, Akdeniz University, Antalya 07070, Turkey
- Immuno-Pharmacology and Immuno-Oncology Unit, School of Medicine, Akdeniz University, Antalya 07070, Turkey
| | - Arpad Szallasi
- Department of Pathology and Experimental Cancer Research, Semmelweis University, H-1085 Budapest, Hungary
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17
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Jeong YJ, Choi HR, Kim KS, Shin IH, Park SH. Impact of Acupuncture on Hot Flashes in Breast Cancer Patients Receiving Adjuvant Antiestrogen Therapy with Tamoxifen: A Randomized Controlled Trial. JOURNAL OF INTEGRATIVE AND COMPLEMENTARY MEDICINE 2023; 29:241-252. [PMID: 36787483 DOI: 10.1089/jicm.2022.0636] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/15/2023]
Abstract
Objectives: The aim of this study was to evaluate the impact of acupuncture on hot flashes in breast cancer patients taking tamoxifen as an adjuvant antiestrogen therapy in Korea. Design: This trial was a randomized, no-treatment-controlled, single-blind, multi-center trial. Participants were randomized 1:1 into the acupuncture group or into the no-treatment control group. Location: This trial was conducted at Daegu Catholic University Hospital and Daegu Haany University Korean Medicine Hospital in Daegu, Republic of Korea. Participants: Patients with moderate to severe symptoms of hot flashes while receiving adjuvant antiestrogen therapy using tamoxifen after surgery for breast cancer were included. Interventions: In the acupuncture group, acupuncture was performed three times a week for 4 consecutive weeks at five predetermined points. The control group received no treatment during the study period. Study Outcome Measures: As a primary outcome, the severity of hot flashes was measured on the visual analogue scale (VAS) and total hot flash score. In addition, the quality of life (QoL) of participants was assessed as a secondary outcome. Results: A total of 30 patients were included in this study, 15 each in the acupuncture group and the control group. The participants in the acupuncture group significantly decreased the severity of hot flashes evaluated with both VAS and total hot flash scores compared with participants in the control group. Also, the acupuncture group showed improved score of a global health status/QoL scale and functional scales assessed with the European Organisation for Research and Treatment of Cancer QoL questionnaire-core questionnaire, compared with those in the control group. This trend was maintained 4 weeks after acupuncture treatment. No adverse events have been reported in this study. Conclusions: Acupuncture was effective and safe in improving hot flashes in Korean breast cancer patients receiving adjuvant antiestrogen therapy with tamoxifen, and it improved the QoL. Clinical Trial Registration: KCT0007829.
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Affiliation(s)
- Young Ju Jeong
- Department of Surgery, School of Medicine, Daegu Catholic University, Daegu, Korea
| | - Hye Ryeon Choi
- Department of Surgery, Eulji Medical Center, Seoul, Korea
| | - Kyung-Soon Kim
- Department of Korean Internal Medicine, College of Korean Medicine, Daegu Haany University, Daegu, Korea
| | - Im Hee Shin
- Department of Medical Statistics, School of Medicine, Daegu Catholic University, Daegu, Korea
| | - Sung Hwan Park
- Department of Surgery, School of Medicine, Daegu Catholic University, Daegu, Korea
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18
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Electroacupuncture Alleviates 46-Trinitrobenzene Sulfonic Acid-Induced Visceral Pain via the Glutamatergic Pathway in the Prefrontal Cortex. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2023; 2023:4463063. [PMID: 36713031 PMCID: PMC9879690 DOI: 10.1155/2023/4463063] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 07/05/2022] [Revised: 12/03/2022] [Accepted: 12/15/2022] [Indexed: 01/20/2023]
Abstract
Visceral pain caused by inflammatory bowel disease (IBD) greatly diminishes the quality of life in affected patients. Yet, the mechanism of how IBD causes visceral pain is currently not fully understood. Previous studies have suggested that the central nervous system (CNS) and gut-brain axis (GBA) play an important role in IBD-inducing visceral pain. As one of the treatments for IBD, electroacupuncture (EA) has been used to treat various types of pain and gastrointestinal diseases in clinical practice. However, whether EA relieves the visceral pain of IBD through the gut-brain axis has not been confirmed. To verify the relationship between visceral pain and CNS, the following experiments were conducted. 1H-NMR analysis was performed on the prefrontal cortex (PFC) tissue obtained from IBD rat models to determine the link between the metabolites and their role in EA treatment against visceral pain. Western blot assay was employed for detecting the contents of glutamate transporter excitatory amino acid transporters 2 (EAAT2) and the glutamate receptor N-methyl-D-aspartate (NMDA) to verify whether EA treatment can alleviate neurotoxic symptoms induced by abnormal increases of glutamate. Study results showed that the glutamate content was significantly increased in the PFC of TNBS-induced IBD rats. This change was reversed after EA treatment. This process was associated with increased EAAT2 expression and decreased expression of NMDA receptors in the PFC. In addition, an increase in intestinal glutamic-metabolizing bacteria was observed. In conclusion, this study suggests that EA treatment can relieve visceral pain by reducing glutamine toxicity in the PFC, and serves an alternative clinical utility.
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Wang N, Zhao L, Zhang D, Kong F. Research progress on the immunomodulatory mechanism of acupuncture in tumor immune microenvironment. Front Immunol 2023; 14:1092402. [PMID: 36865562 PMCID: PMC9971227 DOI: 10.3389/fimmu.2023.1092402] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2022] [Accepted: 02/03/2023] [Indexed: 02/16/2023] Open
Abstract
With the constantly deeper understanding of individualized precision therapy, immunotherapy is increasingly developed and personalized. The tumor immune microenvironment (TIME) mainly consists of infiltrating immune cells, neuroendocrine cells, extracellular matrix, lymphatic vessel network, etc. It is the internal environment basis for the survival and development of tumor cells. As a characteristic treatment of traditional Chinese medicine, acupuncture has shown potentially beneficial impacts on TIME. The currently available information demonstrated that acupuncture could regulate the state of immunosuppression through a range of pathways. An effective way to understand the mechanisms of action of acupuncture was to analyze the response following treatment of the immune system. This research reviewed the mechanisms of acupuncture regulating tumor immunological status based on innate and adaptive immunity.
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Affiliation(s)
- Na Wang
- Department of Oncology, First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, Tianjin, China.,National Clinical Research Center for Chinese Medicine Acupuncture and Moxibustion, Tianjin, China
| | - Lu Zhao
- Department of Oncology, First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, Tianjin, China.,National Clinical Research Center for Chinese Medicine Acupuncture and Moxibustion, Tianjin, China
| | - Dou Zhang
- Department of Oncology, First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, Tianjin, China.,National Clinical Research Center for Chinese Medicine Acupuncture and Moxibustion, Tianjin, China
| | - Fanming Kong
- Department of Oncology, First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, Tianjin, China.,National Clinical Research Center for Chinese Medicine Acupuncture and Moxibustion, Tianjin, China
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20
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Crosstalk between the peripheral nervous system and breast cancer influences tumor progression. Biochim Biophys Acta Rev Cancer 2022; 1877:188828. [DOI: 10.1016/j.bbcan.2022.188828] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2022] [Revised: 10/17/2022] [Accepted: 10/19/2022] [Indexed: 11/18/2022]
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21
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Preparation of Water-Soluble Acetylaminoglucan with Low Molecular Weight and Its Anti-Tumor Activity on H22 Tumor-Bearing Mice. Molecules 2022; 27:molecules27217273. [DOI: 10.3390/molecules27217273] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2022] [Revised: 10/22/2022] [Accepted: 10/24/2022] [Indexed: 11/16/2022] Open
Abstract
In this study, a novel low molecular weight of acetylaminoglucan (AGA) was obtained and its antitumor activity on H22 tumor-bearing mice was investigated. The results of UV, HPLC and FT-IR showed that AGA present high purity with low molecular weight of 2.76 × 103 Da. Animal experiments showed that AGA could inhibit the proliferation of tumor cells in H22 tumor-bearing mice by protecting the immune organs, enhancing the phagocytosis ability of macrophages, killing activity of NK cells and proliferation capacity of lymphocytes, improving the levels of cytokines in vivo and regulating the distribution of lymphocyte subsets, and the tumor inhibition rate reached to 52.74% (50 mg/kg). Cell cycle determination further indicated that AGA could induce apoptosis of tumor cells and arrests it in S phase. These results will provide a data basis for the potential application of AGA in pharmaceutical industry.
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22
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Luo D, Luo M, Wang H, Liu X, Yang M, Tian F, Qin S, Liu J. Protective Effects of Lactobacillus rhamnosus Peptides Against DSS-Induced Inflammatory and Oxidative Damages in Human Colonic Epithelial Cells Through NF-κB/Nrf2/HO-1 Signaling Pathway. Int J Pept Res Ther 2022. [DOI: 10.1007/s10989-022-10425-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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23
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He Q, Si C, Sun Z, Chen Y, Zhang X. The Intervention of Prebiotics on Depression via the Gut-Brain Axis. MOLECULES (BASEL, SWITZERLAND) 2022; 27:molecules27123671. [PMID: 35744797 PMCID: PMC9230023 DOI: 10.3390/molecules27123671] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/26/2022] [Revised: 05/20/2022] [Accepted: 06/05/2022] [Indexed: 12/12/2022]
Abstract
The imbalance of intestinal microbiota can cause the accumulation of endotoxin in the main circulation system of the human body, which has a great impact on human health. Increased work and life pressure have led to a rise in the number of people falling into depression, which has also reduced their quality of life. The gut–brain axis (GBA) is closely related to the pathological basis of depression, and intestinal microbiota can improve depressive symptoms through GBA. Previous studies have proven that prebiotics can modulate intestinal microbiota and thus participate in human health regulation. We reviewed the regulatory mechanism of intestinal microbiota on depression through GBA, and discussed the effects of prebiotics, including plant polysaccharides and polyphenols on the regulation of intestinal microbiota, providing new clues for the prevention and treatment of depression.
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Affiliation(s)
- Qinghui He
- Amway (China) R&D Centre Co., Ltd., Guangzhou 510730, China;
| | - Congcong Si
- Ningbo Tech-inno Health Industry Co., Ltd., Ningbo 315211, China; (C.S.); (Z.S.); (Y.C.)
| | - Zhenjiao Sun
- Ningbo Tech-inno Health Industry Co., Ltd., Ningbo 315211, China; (C.S.); (Z.S.); (Y.C.)
| | - Yuhui Chen
- Ningbo Tech-inno Health Industry Co., Ltd., Ningbo 315211, China; (C.S.); (Z.S.); (Y.C.)
| | - Xin Zhang
- Department of Food Science and Engineering, Ningbo University, Ningbo 315211, China
- Correspondence:
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Tzeng TT, Chai KM, Shen KY, Yu CY, Yang SJ, Huang WC, Liao HC, Chiu FF, Dou HY, Liao CL, Chen HW, Liu SJ. A DNA vaccine candidate delivered by an electroacupuncture machine provides protective immunity against SARS-CoV-2 infection. NPJ Vaccines 2022; 7:60. [PMID: 35662254 PMCID: PMC9166770 DOI: 10.1038/s41541-022-00482-0] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2021] [Accepted: 04/28/2022] [Indexed: 11/09/2022] Open
Abstract
A major challenge in the use of DNA vaccines is efficient DNA delivery in vivo. Establishing a safe and efficient electric transfer method is the key to developing rapid DNA vaccines against emerging infectious diseases. To overcome the complexity of designing new electric transfer machines for DNA delivery, a clinically approved electric transfer machine could be considered as an alternative. Here, we report an electroacupuncture machine-based method for DNA vaccine delivery after intramuscular injection of the COVID-19 DNA vaccine. The S gene of SARS-CoV-2 in the pVAX1 plasmid (pSARS2-S) was used as an antigen in this study. We optimized the clinically used electroacupuncture machine settings for efficient induction of the neutralizing antibody titer after intramuscular injection of pSARS2-S in mice. We found that pSARS2-S immunization at 40 Vpp for 3-5 s could induce high neutralizing antibody titers and Th1-biased immune responses. IFN-γ/TNF-α-secreting CD4+ and CD8+ T cells were also observed in the DNA vaccination group but not in the recombinant protein vaccination group. T-cell epitope mapping shows that the major reactive epitopes were located in the N-terminal domain (a.a. 261-285) and receptor-binding domain (a.a. 352-363). Importantly, pSARS2-S immunization in hamsters could induce protective immunity against SARS-CoV-2 challenge in vivo. In the preclinical toxicology study, blood biochemistry, hematology, and DNA persistence analysis reveal that the DNA delivery method is safe. Furthermore, the raised antisera could also cross-neutralize different variants of concern. These findings suggest that DNA vaccination using an electroacupuncture machine is feasible for use in humans in the future.
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Affiliation(s)
- Tsai-Teng Tzeng
- National Institute of Infectious Diseases and Vaccinology, National Health Research Institutes, Miaoli, Taiwan
| | - Kit Man Chai
- National Institute of Infectious Diseases and Vaccinology, National Health Research Institutes, Miaoli, Taiwan
| | - Kuan-Yin Shen
- National Institute of Infectious Diseases and Vaccinology, National Health Research Institutes, Miaoli, Taiwan
| | - Chia-Yi Yu
- National Institute of Infectious Diseases and Vaccinology, National Health Research Institutes, Miaoli, Taiwan
| | - Shiu-Ju Yang
- National Institute of Infectious Diseases and Vaccinology, National Health Research Institutes, Miaoli, Taiwan
| | - Wan-Chun Huang
- National Institute of Infectious Diseases and Vaccinology, National Health Research Institutes, Miaoli, Taiwan
| | - Hung-Chun Liao
- National Institute of Infectious Diseases and Vaccinology, National Health Research Institutes, Miaoli, Taiwan
- Department of Life Sciences, National Tsing Hua University, Hsinchu, Taiwan
| | - Fang-Feng Chiu
- National Institute of Infectious Diseases and Vaccinology, National Health Research Institutes, Miaoli, Taiwan
| | - Horng-Yunn Dou
- National Institute of Infectious Diseases and Vaccinology, National Health Research Institutes, Miaoli, Taiwan
| | - Ching-Len Liao
- National Institute of Infectious Diseases and Vaccinology, National Health Research Institutes, Miaoli, Taiwan
| | - Hsin-Wei Chen
- National Institute of Infectious Diseases and Vaccinology, National Health Research Institutes, Miaoli, Taiwan.
- Graduate Institute of Biomedical Sciences, China Medical University, Taichung, Taiwan.
- Graduate Institute of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan.
| | - Shih-Jen Liu
- National Institute of Infectious Diseases and Vaccinology, National Health Research Institutes, Miaoli, Taiwan.
- Graduate Institute of Biomedical Sciences, China Medical University, Taichung, Taiwan.
- Graduate Institute of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan.
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25
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Oh JE, Kim SN. Anti-Inflammatory Effects of Acupuncture at ST36 Point: A Literature Review in Animal Studies. Front Immunol 2022; 12:813748. [PMID: 35095910 PMCID: PMC8790576 DOI: 10.3389/fimmu.2021.813748] [Citation(s) in RCA: 27] [Impact Index Per Article: 13.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2021] [Accepted: 12/15/2021] [Indexed: 12/12/2022] Open
Abstract
So far, a number of acupuncture studies have shown anti-inflammatory effects of acupuncture treatment, mostly known at specific point ST36. However, there is no literature that oversaw the inflammation-regulatory effects of acupuncture in each tissue. Therefore, we investigated how acupuncture at specific acupoint ST36 regulates inflammation and its underlying mechanisms. We searched literatures on PubMed until July 2021 using the keywords “animal, acupuncture, ST36, inflammation, immune,” and 292 literatures were searched. We ultimately selected 69 studies to determine the anti-inflammatory actions of acupuncture at ST36 and classified the changes of inflammatory mediators according to target regions. Forty-three studies were included in body fluids, 27 studies in the digestive system, 17 studies in the nervous system, and 30 studies in other tissues or organs. In this review, we found that acupuncture at ST36 has clinical benefits in relieving inflammation through several mechanisms such as vagus nerve activation, toll-like receptor 4 (TLR4)/NF-κB signaling, macrophage polarization, mitogen-activated protein kinase (MAPK) signaling pathway, and cholinergic anti-inflammatory pathway. We expect that these data will inform further studies related to ST36 acupuncture on inflammation.
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Affiliation(s)
- Ji-Eun Oh
- College of Korean Medicine, Dongguk University, Goyang, South Korea
| | - Seung-Nam Kim
- College of Korean Medicine, Dongguk University, Goyang, South Korea
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26
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NK Cell Regulation in Cervical Cancer and Strategies for Immunotherapy. Cells 2021; 10:cells10113104. [PMID: 34831327 PMCID: PMC8619016 DOI: 10.3390/cells10113104] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2021] [Revised: 10/29/2021] [Accepted: 11/02/2021] [Indexed: 12/20/2022] Open
Abstract
Cervical cancer is one of the most prevalent gynaecological malignancies worldwide and is related to human papillomavirus (HPV) infection, viral persistence, progression, and invasion. Therefore, the immune response is linked to HPV status. Natural killer (NK) cells play a central role against virus-infected cells and tumours through a delicate balance between activating and inhibitory receptors and secretion of cytokines and chemokines. These cells also play a crucial role in tumour immunosurveillance. For these reasons, there is growing interest in harnessing NK cells as an immunotherapy for cervical cancer. These studies are diverse and include many strategies such as transferring activated autologous or allogeneic NK cells, improving the activation and cytolytic activity of NK cells using cytokines or analogues and modifying chimeric antigen receptors to increase specificity and targeting NK cells. However, research regarding the application of NK cells in immunotherapy is limited. This article focuses on recent discoveries about using NK cells to prevent and treat cervical cancer and the possibility of cellular immunotherapy becoming one of the best strategies to exploit the immune system to fight tumours.
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27
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Scheff NN, Saloman JL. Neuroimmunology of cancer and associated symptomology. Immunol Cell Biol 2021; 99:949-961. [PMID: 34355434 DOI: 10.1111/imcb.12496] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2021] [Revised: 07/27/2021] [Accepted: 08/03/2021] [Indexed: 11/27/2022]
Abstract
Evolutionarily the nervous system and immune cells have evolved to communicate with each other to control inflammation and host responses against injury. Recent findings in neuroimmune communication demonstrate that these mechanisms extend to cancer initiation and progression. Lymphoid structures and tumors, which are often associated with inflammatory infiltrate, are highly innervated by multiple nerve types (e.g. sympathetic, parasympathetic, sensory). Recent preclinical and clinical studies demonstrate that targeting the nervous system could be a therapeutic strategy to promote anti-tumor immunity while simultaneously reducing cancer-associated neurological symptoms, such as chronic pain, fatigue, and cognitive impairment. Sympathetic nerve activity is associated with physiological or psychological stress, which can be induced by tumor development and cancer diagnosis. Targeting the stress response through suppression of sympathetic activity or activation of parasympathetic activity has been shown to drive activation of effector T cells and inhibition of myeloid derived suppressor cells within the tumor. Additionally, there is emerging evidence that sensory nerves may regulate tumor growth and metastasis by promoting or inhibiting immunosuppression in a tumor-type specific manner. Since neural effects are often tumor-type specific, further study is required to optimize clinical therapeutic strategies. This review examines the emerging evidence that neuroimmune communication can regulate anti-tumor immunity as well as contribute to development of cancer-related neurological symptoms.
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Affiliation(s)
- Nicole N Scheff
- Biobehavioral Cancer Control Program UPMC Hillman Cancer Center, Center for Neuroscience, and Pittsburgh Center for Pain Research, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | - Jami L Saloman
- Biobehavioral Cancer Control Program UPMC Hillman Cancer Center, Center for Neuroscience, and Pittsburgh Center for Pain Research, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
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28
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Zhang Z, Zhang Y, Li J, Fu C, Zhang X. The Neuroprotective Effect of Tea Polyphenols on the Regulation of Intestinal Flora. Molecules 2021; 26:molecules26123692. [PMID: 34204244 PMCID: PMC8233780 DOI: 10.3390/molecules26123692] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2021] [Revised: 06/11/2021] [Accepted: 06/14/2021] [Indexed: 12/12/2022] Open
Abstract
Tea polyphenols (TPs) are the general compounds of natural polyhydroxyphenols extracted in tea. Although a large number of studies have shown that TPs have obvious neuroprotective and neuro repair effects, they are limited due to the low bioavailability in vivo. However, TPs can act indirectly on the central nervous system by affecting the “microflora–gut–brain axis”, in which the microbiota and its composition represent a factor that determines brain health. Bidirectional communication between the intestinal microflora and the brain (microbe–gut–brain axis) occurs through a variety of pathways, including the vagus nerve, immune system, neuroendocrine pathways, and bacteria-derived metabolites. This axis has been shown to influence neurotransmission and behavior, which is usually associated with neuropsychiatric disorders. In this review, we discuss that TPs and their metabolites may provide benefits by restoring the imbalance of intestinal microbiota and that TPs are metabolized by intestinal flora, to provide a new idea for TPs to play a neuroprotective role by regulating intestinal flora.
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Affiliation(s)
- Zhicheng Zhang
- Key Laboratory of Conservation Biology for Endangered Wildlife of the Ministry of Education, College of Life Sciences, Zhejiang University, Hangzhou 310058, China;
- Taizhou Biomedical Industry Research Institute Co., Ltd., Taizhou 317000, China
- College of Life Sciences, Taizhou University, Taizhou 317000, China
| | - Yuting Zhang
- Department of Food Science and Engineering, Ningbo University, Ningbo 315211, China;
| | - Junmin Li
- Taizhou Biomedical Industry Research Institute Co., Ltd., Taizhou 317000, China
- College of Life Sciences, Taizhou University, Taizhou 317000, China
- Correspondence: (J.L.); (C.F.); (X.Z.)
| | - Chengxin Fu
- Key Laboratory of Conservation Biology for Endangered Wildlife of the Ministry of Education, College of Life Sciences, Zhejiang University, Hangzhou 310058, China;
- Correspondence: (J.L.); (C.F.); (X.Z.)
| | - Xin Zhang
- Department of Food Science and Engineering, Ningbo University, Ningbo 315211, China;
- Correspondence: (J.L.); (C.F.); (X.Z.)
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