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Zheng M, Zhu W, Gao F, Zhuo Y, Zheng M, Wu G, Feng C. Novel inhalation therapy in pulmonary fibrosis: principles, applications and prospects. J Nanobiotechnology 2024; 22:136. [PMID: 38553716 PMCID: PMC10981316 DOI: 10.1186/s12951-024-02407-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2023] [Accepted: 03/18/2024] [Indexed: 04/01/2024] Open
Abstract
Pulmonary fibrosis (PF) threatens millions of people worldwide with its irreversible progression. Although the underlying pathogenesis of PF is not fully understood, there is evidence to suggest that the disease can be blocked at various stages. Inhalation therapy has been applied for lung diseases such as asthma and chronic obstructive pulmonary disease, and its application for treating PF is currently under consideration. New techniques in inhalation therapy, such as the application of microparticles and nanoparticles, traditional Chinese medicine monomers, gene therapy, inhibitors, or agonists of signaling pathways, extracellular vesicle interventions, and other specific drugs, are effective in treating PF. However, the safety and effectiveness of these therapeutic techniques are influenced by the properties of inhaled particles, biological and pathological barriers, and the type of inhalation device used. This review provides a comprehensive overview of the pharmacological, pharmaceutical, technical, preclinical, and clinical experimental aspects of novel inhalation therapy for treating PF and focus on therapeutic methods that significantly improve existing technologies or expand the range of drugs that can be administered via inhalation. Although inhalation therapy for PF has some limitations, the advantages are significant, and further research and innovation about new inhalation techniques and drugs are encouraged.
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Affiliation(s)
- Meiling Zheng
- Dongzhimen Hospital, Beijing University of Chinese Medicine, Beijing, 100010, China
- Peking University People's Hospital, Beijing, 100032, China
| | - Wei Zhu
- Department of Ophthalmology, Changshu No. 2 People's Hospital, Changshu, 215500, China
| | - Fei Gao
- State Key Laboratory of Southwestern Chinese Medicine Resources, Pharmacy School, Chengdu University of Traditional Chinese Medicine, Chengdu, 611130, China
| | - Yu Zhuo
- Department of Medical Oncology Beijing Tsinghua Changgung Hospital, School of Clinical Medicine, Tsinghua University, Beijing, 100010, China
| | - Mo Zheng
- Department of Medical Oncology Beijing Tsinghua Changgung Hospital, School of Clinical Medicine, Tsinghua University, Beijing, 100010, China
| | - Guanghao Wu
- School of Medical Technology, Beijing Institute of Technology, Beijing, 100081, China.
| | - Cuiling Feng
- Dongzhimen Hospital, Beijing University of Chinese Medicine, Beijing, 100010, China.
- Peking University People's Hospital, Beijing, 100032, China.
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Peng X, Zhou Q, Wang CQ, Zhang ZM, Luo Z, Xu SY, Feng B, Fang ZF, Lin Y, Zhuo Y, Jiang XM, Zhao H, Tang JY, Wu D, Che LQ. Dietary supplementation of proteases on growth performance, nutrient digestibility, blood characteristics and gut microbiota of growing pigs fed sorghum-based diets. Animal 2024; 18:101052. [PMID: 38181459 DOI: 10.1016/j.animal.2023.101052] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2023] [Revised: 12/02/2023] [Accepted: 12/04/2023] [Indexed: 01/07/2024] Open
Abstract
Low-tannin sorghum is an excellent energy source in pig diets. However, sorghum contains several anti-nutritional factors that may have negative effects on nutrient digestibility. The impacts of proteases on growth performance, nutrient digestibility, blood parameters, and gut microbiota of growing pigs fed sorghum-based diets were studied in this study. Ninety-six pigs (20.66 ± 0.65 kg BW) were allocated into three groups (eight pens/group, four pigs/pen): (1) CON (control diet, sorghum-based diet included 66.98% sorghum), (2) PRO1 (CON + 200 mg/kg proteases), (3) PRO2 (CON + 400 mg/kg proteases) for 28 d. No differences were observed in growth performance and apparent total tract digestibility (ATTD) of nutrients between CON and PRO1 groups. Pigs fed PRO2 diet had increased (P < 0.05) BW on d 21 and 28, and increased (P < 0.05) average daily gain during d 14-21 and the overall period compared with pigs fed CON diet. In addition, pigs fed PRO2 diet had improved (P < 0.05) ATTD of gross energy, CP, and DM compared with pigs fed CON and PRO1 diets. Pigs fed PRO2 diet had lower (P < 0.05) plasma globulin (GLB) level and higher (P < 0.05) plasma glucose, albumin (ALB) and immunoglobulin G levels, and ALB/GLB ratio than pigs fed CON and PRO1 diets. Furthermore, pigs fed PRO2 diet had decreased (P < 0.05) the relative abundance of Acidobacteriota at the phylum level and increased (P < 0.05) the relative abundance of Prevotella_9 at the genus level. The linear discriminant analysis effect size analysis also showed that pigs fed PRO2 diet had significantly enriched short-chain fatty acid-producing bacteria, such as Subdoligranulum and Parabacteroides. In conclusion, protease supplementation at 400 mg/kg improved the growth performance of growing pigs fed sorghum-based diets, which may be attributed to the improvement of nutrient digestibility, host metabolism, immune status and associated with the altered gut microbiota profiles.
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Affiliation(s)
- X Peng
- Laboratory for Bio-feed and Molecular Nutrition, College of Animal Science and Technology, Southwest University, Chongqing 400715, China; Key Laboratory for Animal Disease-Resistance Nutrition of China Ministry of Education, Institute of Animal Nutrition, Sichuan Agricultural University, Chengdu 611130, China
| | - Q Zhou
- Key Laboratory for Animal Disease-Resistance Nutrition of China Ministry of Education, Institute of Animal Nutrition, Sichuan Agricultural University, Chengdu 611130, China
| | - C Q Wang
- Key Laboratory for Animal Disease-Resistance Nutrition of China Ministry of Education, Institute of Animal Nutrition, Sichuan Agricultural University, Chengdu 611130, China
| | - Z M Zhang
- College of Animal Science and Technology, Hunan Agricultural University, Changsha 410128, China
| | - Z Luo
- Kemin (China) Technologies Co., Ltd., Sanzao, Zhuhai 519040, China
| | - S Y Xu
- Key Laboratory for Animal Disease-Resistance Nutrition of China Ministry of Education, Institute of Animal Nutrition, Sichuan Agricultural University, Chengdu 611130, China
| | - B Feng
- Key Laboratory for Animal Disease-Resistance Nutrition of China Ministry of Education, Institute of Animal Nutrition, Sichuan Agricultural University, Chengdu 611130, China
| | - Z F Fang
- Key Laboratory for Animal Disease-Resistance Nutrition of China Ministry of Education, Institute of Animal Nutrition, Sichuan Agricultural University, Chengdu 611130, China
| | - Y Lin
- Key Laboratory for Animal Disease-Resistance Nutrition of China Ministry of Education, Institute of Animal Nutrition, Sichuan Agricultural University, Chengdu 611130, China
| | - Y Zhuo
- Key Laboratory for Animal Disease-Resistance Nutrition of China Ministry of Education, Institute of Animal Nutrition, Sichuan Agricultural University, Chengdu 611130, China
| | - X M Jiang
- Key Laboratory for Animal Disease-Resistance Nutrition of China Ministry of Education, Institute of Animal Nutrition, Sichuan Agricultural University, Chengdu 611130, China
| | - H Zhao
- Key Laboratory for Animal Disease-Resistance Nutrition of China Ministry of Education, Institute of Animal Nutrition, Sichuan Agricultural University, Chengdu 611130, China
| | - J Y Tang
- Key Laboratory for Animal Disease-Resistance Nutrition of China Ministry of Education, Institute of Animal Nutrition, Sichuan Agricultural University, Chengdu 611130, China
| | - D Wu
- Key Laboratory for Animal Disease-Resistance Nutrition of China Ministry of Education, Institute of Animal Nutrition, Sichuan Agricultural University, Chengdu 611130, China
| | - L Q Che
- Key Laboratory for Animal Disease-Resistance Nutrition of China Ministry of Education, Institute of Animal Nutrition, Sichuan Agricultural University, Chengdu 611130, China.
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Zhuo Y, He J, Li W, Deng J, Lin Q. A review on takeaway packaging waste: Types, ecological impact, and disposal route. Environ Pollut 2023; 337:122518. [PMID: 37678737 DOI: 10.1016/j.envpol.2023.122518] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/25/2023] [Revised: 08/31/2023] [Accepted: 09/04/2023] [Indexed: 09/09/2023]
Abstract
Rapid economic growth and urbanization have led to significant changes in the world's consumption patterns. Accelerated urbanization, the spread of the mobile Internet, and the increasing pace of work globally have all contributed to the demand for the food takeaway industry. The rapid development of the takeaway industry inevitably brings convenience to life, and with it comes great environmental pressure from waste packaging materials. While maintaining the convenience of people's lives, further reducing the environmental pollution caused by takeaway packaging materials and promoting the recycling and reuse of takeaway packaging waste need to attract the attention and concern of the whole society. This review systematically and comprehensively introduces common takeaway food types and commonly used packaging materials, analyzes the impacts of discarded takeaway packaging materials on human health and the ecological environment, summarizes the formulation and implementation of relevant policies and regulations, proposes treatment methods and resourceful reuse pathways for discarded takeaway packaging, and also provides an outlook on the development of green takeaway packaging. Currently, only 20% of waste packaging materials are recycled worldwide, and there is still a need to develop more green takeaway packaging materials and continuously improve relevant policies and regulations to promote the sustainable development of the takeaway industry. The review is conducive to further optimizing the takeaway packaging management system, alleviating the environmental pollution problem, and providing feasible solutions and technical guidance for further optimizing takeaway food packaging materials and comprehensive utilization of resources.
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Affiliation(s)
- Yu Zhuo
- National Engineering Research Center of Rice and Byproduct Deep Processing, Hunan Province Key Laboratory of Edible forestry Resources Safety and Processing Utilization, College of Food Science and Engineering, Central South University of Forestry and Technology, Changsha, 410004, Hunan, China
| | - JinTao He
- National Engineering Research Center of Rice and Byproduct Deep Processing, Hunan Province Key Laboratory of Edible forestry Resources Safety and Processing Utilization, College of Food Science and Engineering, Central South University of Forestry and Technology, Changsha, 410004, Hunan, China
| | - Wen Li
- National Engineering Research Center of Rice and Byproduct Deep Processing, Hunan Province Key Laboratory of Edible forestry Resources Safety and Processing Utilization, College of Food Science and Engineering, Central South University of Forestry and Technology, Changsha, 410004, Hunan, China; Hunan Provincial Engineering Technology Research Center of Seasonings Green Manufacturing, Changsha, 410004, China; College of Food Science and Engineering, Nanjing University of Finance and Economics/Collaborative Innovation Center for Modern Grain Circulation and Safety, Nanjing, 210023, Jiangsu, China.
| | - Jing Deng
- National Engineering Research Center of Rice and Byproduct Deep Processing, Hunan Province Key Laboratory of Edible forestry Resources Safety and Processing Utilization, College of Food Science and Engineering, Central South University of Forestry and Technology, Changsha, 410004, Hunan, China
| | - QinLu Lin
- National Engineering Research Center of Rice and Byproduct Deep Processing, Hunan Province Key Laboratory of Edible forestry Resources Safety and Processing Utilization, College of Food Science and Engineering, Central South University of Forestry and Technology, Changsha, 410004, Hunan, China; Hunan Provincial Engineering Technology Research Center of Seasonings Green Manufacturing, Changsha, 410004, China; College of Food Science and Engineering, Nanjing University of Finance and Economics/Collaborative Innovation Center for Modern Grain Circulation and Safety, Nanjing, 210023, Jiangsu, China
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Yuan PQ, Lin S, Peng JY, Li YX, Liu YH, Wang P, Zhong HJ, Yang XM, Che LQ, Feng B, Batonon-Alavo DI, Mercier Y, Zhang XL, Lin Y, Xu SY, Li J, Zhuo Y, Wu D, Fang ZF. Effects of dietary methionine supplementation from different sources on growth performance and meat quality of barrows and gilts. Animal 2023; 17:100986. [PMID: 37820406 DOI: 10.1016/j.animal.2023.100986] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2022] [Revised: 08/29/2023] [Accepted: 09/07/2023] [Indexed: 10/13/2023] Open
Abstract
Methionine is indispensable for growth and meat formation in pigs. However, it is still unclear that increasing dietary sulphur-containing amino acid (SAA) levels using different methionine sources affects the growth performance and meat quality of barrows and gilts. To investigate this, 144 pigs (half barrows and half gilts) were fed the control (100% SAA, CON), DL-Methionine (125% SAA, DL-Met)-supplemented, or OH-Methionine (125% SAA, OH-Met)-supplemented diets during the 11-110 kg period. The results showed that plasma methionine levels varied among treatments during the experimental phase, with increased plasma methionine levels observed following increased SAA consumption during the 25-45 kg period. In contrast, pigs fed the DL-Met diet had lower plasma methionine levels than those fed the CON diet (95-110 kg). Additionally, gilts fed the DL-Met or OH-Met diets showed decreased drip loss in longissimus lumborum muscle (LM) compared to CON-fed gilts. OH-Met-fed gilts had higher pH45min values than those fed the CON or DL-Met diets, whereas OH-Met-fed barrows had higher L45min values than those fed the CON or DL-Met diets. Moreover, increased consumption of SAA, regardless of the methionine source, tended to decrease the shear force of the LM in pigs. In conclusion, this study indicates that increasing dietary levels of SAA (+25%) appeared to improve the meat quality of gilts by decreasing drip loss and increasing meat tenderness.
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Affiliation(s)
- P Q Yuan
- Key Laboratory for Animal Disease Resistance Nutrition of the Ministry of Education, Animal Nutrition Institute, Sichuan Agricultural University, Chengdu 611130, People's Republic of China; Key Laboratory of Agricultural Product Processing and Nutrition Health (Co-construction by Ministry and Province), Ministry of Agriculture and Rural Affairsand, College of Food Science, Sichuan Agricultural University, Ya'an 625014, People's Republic of China
| | - S Lin
- Key Laboratory for Animal Disease Resistance Nutrition of the Ministry of Education, Animal Nutrition Institute, Sichuan Agricultural University, Chengdu 611130, People's Republic of China; Key Laboratory of Urban Agriculture in South China, Sericultural & Agri-Food Research Institute, Guangdong Academy of Agricultural Sciences, Guangzhou 510640, People's Republic of China
| | - J Y Peng
- Key Laboratory for Animal Disease Resistance Nutrition of the Ministry of Education, Animal Nutrition Institute, Sichuan Agricultural University, Chengdu 611130, People's Republic of China
| | - Y X Li
- Key Laboratory for Animal Disease Resistance Nutrition of the Ministry of Education, Animal Nutrition Institute, Sichuan Agricultural University, Chengdu 611130, People's Republic of China
| | - Y H Liu
- Key Laboratory for Animal Disease Resistance Nutrition of the Ministry of Education, Animal Nutrition Institute, Sichuan Agricultural University, Chengdu 611130, People's Republic of China
| | - P Wang
- Key Laboratory for Animal Disease Resistance Nutrition of the Ministry of Education, Animal Nutrition Institute, Sichuan Agricultural University, Chengdu 611130, People's Republic of China
| | - H J Zhong
- Key Laboratory for Animal Disease Resistance Nutrition of the Ministry of Education, Animal Nutrition Institute, Sichuan Agricultural University, Chengdu 611130, People's Republic of China
| | - X M Yang
- Key Laboratory for Animal Disease Resistance Nutrition of the Ministry of Education, Animal Nutrition Institute, Sichuan Agricultural University, Chengdu 611130, People's Republic of China
| | - L Q Che
- Key Laboratory for Animal Disease Resistance Nutrition of the Ministry of Education, Animal Nutrition Institute, Sichuan Agricultural University, Chengdu 611130, People's Republic of China
| | - B Feng
- Key Laboratory for Animal Disease Resistance Nutrition of the Ministry of Education, Animal Nutrition Institute, Sichuan Agricultural University, Chengdu 611130, People's Republic of China
| | | | - Y Mercier
- Adisseo France S.A.S, CERN, Commentry, France
| | - X L Zhang
- Key Laboratory for Animal Disease Resistance Nutrition of the Ministry of Education, Animal Nutrition Institute, Sichuan Agricultural University, Chengdu 611130, People's Republic of China
| | - Y Lin
- Key Laboratory for Animal Disease Resistance Nutrition of the Ministry of Education, Animal Nutrition Institute, Sichuan Agricultural University, Chengdu 611130, People's Republic of China
| | - S Y Xu
- Key Laboratory for Animal Disease Resistance Nutrition of the Ministry of Education, Animal Nutrition Institute, Sichuan Agricultural University, Chengdu 611130, People's Republic of China
| | - J Li
- Key Laboratory for Animal Disease Resistance Nutrition of the Ministry of Education, Animal Nutrition Institute, Sichuan Agricultural University, Chengdu 611130, People's Republic of China
| | - Y Zhuo
- Key Laboratory for Animal Disease Resistance Nutrition of the Ministry of Education, Animal Nutrition Institute, Sichuan Agricultural University, Chengdu 611130, People's Republic of China
| | - D Wu
- Key Laboratory for Animal Disease Resistance Nutrition of the Ministry of Education, Animal Nutrition Institute, Sichuan Agricultural University, Chengdu 611130, People's Republic of China
| | - Z F Fang
- Key Laboratory for Animal Disease Resistance Nutrition of the Ministry of Education, Animal Nutrition Institute, Sichuan Agricultural University, Chengdu 611130, People's Republic of China; Key Laboratory of Agricultural Product Processing and Nutrition Health (Co-construction by Ministry and Province), Ministry of Agriculture and Rural Affairsand, College of Food Science, Sichuan Agricultural University, Ya'an 625014, People's Republic of China.
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Ning J, Zhong G, Long X, Xie J, Ao K, Liu F, Huang M, Zhuo Y, Li Q, Wen Q, Di Q. The ambiguous "internal carotid artery"-Ultrasound diagnosis of congenital absence of the internal carotid artery: A case report and review of the literature. Medicine (Baltimore) 2023; 102:e35016. [PMID: 37682185 PMCID: PMC10489400 DOI: 10.1097/md.0000000000035016] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/26/2023] [Accepted: 07/06/2023] [Indexed: 09/09/2023] Open
Abstract
RATIONALE Congenital anatomical variation of internal carotid artery (ICA) rarely occurs, and congenital absence of the ICA is even rarer. Few reports are available on the diagnosis of congenital absence of the ICA by carotid doppler ultrasound (CDUS), and most cases have been identified by computed tomographic angiography (CTA) or digital subtraction angiography (DSA). PATIENT CONCERNS A 61-year-old male was admitted to our hospital due to dizziness for more than half a month. He was hypertensive and had been drinking and smoking for many years. DIAGNOSES The patient was diagnosed by carotid doppler ultrasound with congenital absence of the right ICA, confirmed by CTA and DSA. A nodular aneurysm in the anterior communicating artery was observed by CTA and DSA. INTERVENTIONS After relevant preoperative examinations were performed, the patient underwent right craniotomy and clipping of the aneurysm under general anesthesia 8 days after admission. OUTCOMES The patient recovered well after surgery and no relapses has been observed. LESSONS Congenital absence of the ICA is rare and usually diagnosed by CTA or DSA in clinical practice. If radiologists do not have adequate knowledge about the associated ultrasonic characteristics, a missed diagnosis may occur. As a noninvasive and rapid screening tool for cervical vascular diseases, carotid doppler ultrasound offers a new approach for the diagnosis of congenital absence of the ICA.
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Affiliation(s)
- Jing Ning
- Department of Ultrasound, The First-Affiliated Hospital of Hunan Normal University (Hunan Provincial People’s Hospital), Changsha, China
| | - Gang Zhong
- Department of Ultrasound, The First-Affiliated Hospital of Hunan Normal University (Hunan Provincial People’s Hospital), Changsha, China
| | - Xiangdang Long
- Department of Ultrasound, The First-Affiliated Hospital of Hunan Normal University (Hunan Provincial People’s Hospital), Changsha, China
| | - Juanjuan Xie
- Department of Ultrasound, The First-Affiliated Hospital of Hunan Normal University (Hunan Provincial People’s Hospital), Changsha, China
| | - Kun Ao
- Department of Ultrasound, The First-Affiliated Hospital of Hunan Normal University (Hunan Provincial People’s Hospital), Changsha, China
| | - Fang Liu
- Department of Radiology, The First-Affiliated Hospital of Hunan Normal University (Hunan Provincial People’s Hospital), Changsha, China
| | - Mengyi Huang
- Department of Neurosurgery, The First-Affiliated Hospital of Hunan Normal University (Hunan Provincial People’s Hospital), Changsha, China
| | - Yu Zhuo
- Department of Ultrasound, The First-Affiliated Hospital of Hunan Normal University (Hunan Provincial People’s Hospital), Changsha, China
| | - Qiaorong Li
- Department of Ultrasound, The First-Affiliated Hospital of Hunan Normal University (Hunan Provincial People’s Hospital), Changsha, China
| | - Qiongli Wen
- Department of Ultrasound, The First-Affiliated Hospital of Hunan Normal University (Hunan Provincial People’s Hospital), Changsha, China
| | - Qiuyi Di
- Department of Ultrasound, The First-Affiliated Hospital of Hunan Normal University (Hunan Provincial People’s Hospital), Changsha, China
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Yuan B, Mao XF, Li YH, Zhuo Y, Luo YB, Fan XM, Yuan D. Distant Hybridization: A Potential Solution to the Pollination Deficit of Camellia oleifera. J Agric Food Chem 2023; 71:12619-12621. [PMID: 37589662 DOI: 10.1021/acs.jafc.3c05204] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 08/18/2023]
Affiliation(s)
- Bin Yuan
- Key Laboratory of Cultivation and Protection for Non-Wood Forest Trees, Ministry of Education, Central South University of Forestry and Technology, Changsha 410004, China
- Key Laboratory of Non-wood Forest Products of State Forestry Administration, Central South University of Forestry and Technology, Changsha 410004, China
| | - Xi-Feng Mao
- Key Laboratory of Cultivation and Protection for Non-Wood Forest Trees, Ministry of Education, Central South University of Forestry and Technology, Changsha 410004, China
- Key Laboratory of Non-wood Forest Products of State Forestry Administration, Central South University of Forestry and Technology, Changsha 410004, China
| | - Yi-Huan Li
- Key Laboratory of Cultivation and Protection for Non-Wood Forest Trees, Ministry of Education, Central South University of Forestry and Technology, Changsha 410004, China
- Key Laboratory of Non-wood Forest Products of State Forestry Administration, Central South University of Forestry and Technology, Changsha 410004, China
| | - Yu Zhuo
- Key Laboratory of Cultivation and Protection for Non-Wood Forest Trees, Ministry of Education, Central South University of Forestry and Technology, Changsha 410004, China
- Key Laboratory of Non-wood Forest Products of State Forestry Administration, Central South University of Forestry and Technology, Changsha 410004, China
| | - Yi-Bo Luo
- State Key Laboratory of Systematic and Evolutionary Botany, Institute of Botany, Chinese Academy of Sciences, Beijing 100093, China
| | - Xiao-Ming Fan
- Key Laboratory of Cultivation and Protection for Non-Wood Forest Trees, Ministry of Education, Central South University of Forestry and Technology, Changsha 410004, China
- Key Laboratory of Non-wood Forest Products of State Forestry Administration, Central South University of Forestry and Technology, Changsha 410004, China
| | - Deyi Yuan
- Key Laboratory of Cultivation and Protection for Non-Wood Forest Trees, Ministry of Education, Central South University of Forestry and Technology, Changsha 410004, China
- Key Laboratory of Non-wood Forest Products of State Forestry Administration, Central South University of Forestry and Technology, Changsha 410004, China
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Wen Q, Ning J, Mao Z, Long X, He X, Chen Z, Di Q, Li Q, Zhuo Y, Zhong G. Case report: Multiple epstein-barr virus-associated smooth muscle tumours in a child with IL-2-inducible T-cell kinase mutation of undetermined clinical significance. Front Pediatr 2023; 11:1189219. [PMID: 37465420 PMCID: PMC10350626 DOI: 10.3389/fped.2023.1189219] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/18/2023] [Accepted: 06/22/2023] [Indexed: 07/20/2023] Open
Abstract
Background EBV-associated smooth muscle tumours (EBV-SMTs) are uncommon neoplasms associated with immunodeficiency. The pathogenesis of EBV-SMTs is poorly understood. IL-2-inducible T-cell kinase (ITK), a member of the Tec family of tyrosine kinases, is the predominant Tec kinase in T cells. Researchers have shown that ITK is involved in the pathogenesis of autoimmune diseases and carcinogenesis, and the loss of ITK function due to mutation in patients can lead to EBV-associated lymphoproliferation. Multiple Epstein-Barr virus-associated smooth muscle tumours with ITK mutation have rarely been reported. Case presentation A 6-year-old female child was admitted to the hospital due to recurrent bilateral hip pain for more than one year. Tumours were found in the lung, near the intracranial cavernous sinus and in the lumbar spine and paraspinal soft tissues by CT and MRI. The patient underwent vertebral tumour biopsy, which suggested low-grade myogenic or inflammatory myofibroblastic tumours, so the patient was given three courses of chemotherapy without symptom relief or mass reduction. The patient underwent lumbar mass resection, the pathological results indicated EBV-SMT, and a novel germline homozygous deletion mutation in the ITK gene was detected. The deletion mutation in this gene has not yet been reported and the clinical significance of the pathogenicity of the variant is unknown. Intrabronchial mass resection was performed under fibre bronchoscopy, and the pathological results indicated EBV-SMT. No significant recurrence or progression was observed after more than 2 years of follow-up. Conclusions We present a rare case of multiple EBV-SMTs combined with ITK gene mutation. Some of the tumours were removed, and some were treated conservatively. There was no significant recurrence or progression after more than two years of follow-up. The optimal treatment regimen still needs to be further explored, and the relationship between ITK gene mutation at this locus and immunodeficiency and EBV-SMT warrants further investigation.
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Affiliation(s)
- Qiongli Wen
- Department of Ultrasound, The First Affiliated Hospital of Hunan Normal University/Hunan Provincial People's Hospital, Changsha, China
| | - Jing Ning
- Department of Ultrasound, The First Affiliated Hospital of Hunan Normal University/Hunan Provincial People's Hospital, Changsha, China
| | - Zhiqun Mao
- Department of PET Imaging Center, The First Affiliated Hospital of Hunan Normal University/Hunan Provincial People's Hospital, Changsha, China
| | - Xiangdang Long
- Department of Ultrasound, The First Affiliated Hospital of Hunan Normal University/Hunan Provincial People's Hospital, Changsha, China
| | - Xiangling He
- Department of Pediatric Hematology and Oncology, The First Affiliated Hospital of Hunan Normal University/Hunan Provincial People's Hospital, Changsha, China
| | - Zhihong Chen
- Department of Pathology, The First Affiliated Hospital of Hunan Normal University/Hunan Provincial People's Hospital, Changsha, China
| | - Qiuyi Di
- Department of Ultrasound, The First Affiliated Hospital of Hunan Normal University/Hunan Provincial People's Hospital, Changsha, China
| | - Qiaorong Li
- Department of Ultrasound, The First Affiliated Hospital of Hunan Normal University/Hunan Provincial People's Hospital, Changsha, China
| | - Yu Zhuo
- Department of Ultrasound, The First Affiliated Hospital of Hunan Normal University/Hunan Provincial People's Hospital, Changsha, China
| | - Gang Zhong
- Department of Ultrasound, The First Affiliated Hospital of Hunan Normal University/Hunan Provincial People's Hospital, Changsha, China
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Huang L, Bai J, Zong R, Zhou J, Zuo Z, Chai X, Wang Z, An J, Zhuo Y, Boada F, Yu X, Ling Z, Qu B, Pan L, Zhang Z. Sodium MRI at 7T for Early Response Evaluation of Intracranial Tumors following Stereotactic Radiotherapy Using the CyberKnife. AJNR Am J Neuroradiol 2022; 43:181-187. [PMID: 35121584 PMCID: PMC8985677 DOI: 10.3174/ajnr.a7404] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2021] [Accepted: 11/05/2021] [Indexed: 02/03/2023]
Abstract
BACKGROUND AND PURPOSE Conventionally, early treatment response to stereotactic radiotherapy in intracranial tumors is often determined by structural MR imaging. Tissue sodium concentration is altered by cellular integrity and energy status in cells. In this study, we aimed to investigate the feasibility of sodium MR imaging at 7T for the preliminary evaluation of radiotherapeutic efficacy for intracranial tumors. MATERIALS AND METHODS Data were collected from 16 patients (12 men and 4 women, 24-75 years of age) with 22 intracranial tumors who were treated with stereotactic radiation therapy using CyberKnife at our institution between December 1, 2016, and August 15, 2019. Sodium MR imaging was performed at 7T before and 48 hours, 1 week, and 1 month after CyberKnife radiation therapy. Tissue sodium concentration (TSC) was calculated and analyzed based on manually labeled regions of tumors. RESULTS Ultra-high-field sodium MR imaging clearly showed the intratumoral signal, which is significantly higher than that of normal tissue (t = 5.250, P <.001)., but the edema zone has some influence. The average TSC ratios of tumor to CSF in the 22 tumors, contralateral normal tissues, edema zones, frontal cortex, and frontal white matter were 0.66 (range, 0.23-1.5), 0.30 (range, 0.15-0.43), 0.58 (range, 0.25-1.21), 0.25 (range, 0.17-0.42), and 0.30 (range, 0.19-0.49), respectively. A total of 12 tumors in 8 patients were scanned at 48 hours, 1 week, and 1 month after treatment. The average TSC at 48 hours after treatment was 0.06 higher than that before treatment and began to decrease at 1 week. The TSC ratios of 10 continued to decline and 2 tumors increased at 1 month, respectively. Tumor volume decreased by 2.4%-99% after 3 months. CONCLUSIONS Changes in the TSC can be quantified by sodium MR imaging at 7T and used to detect radiobiologic alterations in intracranial tumors at early time points after CyberKnife radiation therapy.
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Affiliation(s)
- L. Huang
- From the Departments of Neurosurgery (L.H., R.Z., J.Z., X.Y., Z.L., L.P.),Department of Neurosurgery (L.H.), The Hospital of 81st Group Army PLA, Zhangjiakou, China
| | - J. Bai
- Radiation Oncology (J.B., B.Q.), The First Medical Center of PLA General Hospital, Beijing, China
| | - R. Zong
- From the Departments of Neurosurgery (L.H., R.Z., J.Z., X.Y., Z.L., L.P.)
| | - J. Zhou
- From the Departments of Neurosurgery (L.H., R.Z., J.Z., X.Y., Z.L., L.P.)
| | - Z. Zuo
- State Key Laboratory of Brain and Cognitive Science (Z. Zou., X.C., Z.W., Y. Z., Z. Zhang.), Institute of Biophysics, Chinese Academy of Sciences, Beijing, China,University of Chinese Academy of Sciences (Z. Zou., X.C., Z.W., Y. Z., Z. Zhang.), Beijing, China,CAS Center for Excellence in Brain Science and Intelligence Technology (Z. Zou., X.C., Z.W., Y. Z., Z. Zhang.), Chinese Academy of Sciences, Beijing, China
| | - X. Chai
- State Key Laboratory of Brain and Cognitive Science (Z. Zou., X.C., Z.W., Y. Z., Z. Zhang.), Institute of Biophysics, Chinese Academy of Sciences, Beijing, China,University of Chinese Academy of Sciences (Z. Zou., X.C., Z.W., Y. Z., Z. Zhang.), Beijing, China,CAS Center for Excellence in Brain Science and Intelligence Technology (Z. Zou., X.C., Z.W., Y. Z., Z. Zhang.), Chinese Academy of Sciences, Beijing, China
| | - Z. Wang
- State Key Laboratory of Brain and Cognitive Science (Z. Zou., X.C., Z.W., Y. Z., Z. Zhang.), Institute of Biophysics, Chinese Academy of Sciences, Beijing, China,University of Chinese Academy of Sciences (Z. Zou., X.C., Z.W., Y. Z., Z. Zhang.), Beijing, China,CAS Center for Excellence in Brain Science and Intelligence Technology (Z. Zou., X.C., Z.W., Y. Z., Z. Zhang.), Chinese Academy of Sciences, Beijing, China
| | - J. An
- Siemens Shenzhen Magnetic Resonance Ltd (J.A.), Shenzhen, China
| | - Y. Zhuo
- State Key Laboratory of Brain and Cognitive Science (Z. Zou., X.C., Z.W., Y. Z., Z. Zhang.), Institute of Biophysics, Chinese Academy of Sciences, Beijing, China,University of Chinese Academy of Sciences (Z. Zou., X.C., Z.W., Y. Z., Z. Zhang.), Beijing, China,CAS Center for Excellence in Brain Science and Intelligence Technology (Z. Zou., X.C., Z.W., Y. Z., Z. Zhang.), Chinese Academy of Sciences, Beijing, China
| | - F. Boada
- Department of Radiology (F.B.), Center for Advanced Imaging Innovation and Research, New York University Grossman School of Medicine, New York, New York
| | - X. Yu
- From the Departments of Neurosurgery (L.H., R.Z., J.Z., X.Y., Z.L., L.P.)
| | - Z. Ling
- From the Departments of Neurosurgery (L.H., R.Z., J.Z., X.Y., Z.L., L.P.)
| | - B. Qu
- Radiation Oncology (J.B., B.Q.), The First Medical Center of PLA General Hospital, Beijing, China
| | - L. Pan
- From the Departments of Neurosurgery (L.H., R.Z., J.Z., X.Y., Z.L., L.P.)
| | - Z. Zhang
- State Key Laboratory of Brain and Cognitive Science (Z. Zou., X.C., Z.W., Y. Z., Z. Zhang.), Institute of Biophysics, Chinese Academy of Sciences, Beijing, China,University of Chinese Academy of Sciences (Z. Zou., X.C., Z.W., Y. Z., Z. Zhang.), Beijing, China,CAS Center for Excellence in Brain Science and Intelligence Technology (Z. Zou., X.C., Z.W., Y. Z., Z. Zhang.), Chinese Academy of Sciences, Beijing, China
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9
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Zhuo Y, Zhong G, Long X, Ou B, Mao Z, Li QR. Repeated chest tightness-A case of double-chambered left ventricle in an adult. J Clin Ultrasound 2021; 49:808-812. [PMID: 34312863 DOI: 10.1002/jcu.23046] [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] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/30/2020] [Revised: 07/01/2021] [Accepted: 07/09/2021] [Indexed: 06/13/2023]
Abstract
Double-chambered left ventricle (DCLV) is a rare congenital heart disease. A hypertrophic muscle bundle in the left ventricle may cause varying degrees of obstruction in the middle of the left ventricle, resulting in different clinical symptoms. Here, we report a patient with a history of repeated chest tightness who was misdiagnosed with coronary heart disease and ventricular aneurysm. After repeated ultrasound examinations, the patient was eventually diagnosed with DCLV, which was confirmed by magnetic resonance imaging and coronary angiography. This case highlights the necessity to improve the accuracy of DCLV diagnosis via echocardiogram.
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Affiliation(s)
- Yu Zhuo
- Department of Ultrasound, Hunan Provincial People's Hospital/The First Affiliated Hospital of Hunan Normal University, Changsha, Hunan, China
| | - Gang Zhong
- Department of Ultrasound, Hunan Provincial People's Hospital/The First Affiliated Hospital of Hunan Normal University, Changsha, Hunan, China
| | - Xiangdang Long
- Department of Ultrasound, Hunan Provincial People's Hospital/The First Affiliated Hospital of Hunan Normal University, Changsha, Hunan, China
| | - Baiqing Ou
- Department of Geriatrics, Hunan Provincial People's Hospital/The First Affiliated Hospital of Hunan Normal University, Changsha, Hunan, China
| | - Zhiqun Mao
- Department of Radiology, Hunan Provincial People's Hospital/The First Affiliated Hospital of Hunan Normal University, Changsha, Hunan, China
| | - Qiao Rong Li
- Department of Ultrasound, Hunan Provincial People's Hospital/The First Affiliated Hospital of Hunan Normal University, Changsha, Hunan, China
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10
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Yue L, Zhao R, Xiao Q, Zhuo Y, Yu J, Meng X. The effect of mental health on sleep quality of front-line medical staff during the COVID-19 outbreak in China: A cross-sectional study. PLoS One 2021; 16:e0253753. [PMID: 34166474 PMCID: PMC8224907 DOI: 10.1371/journal.pone.0253753] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2020] [Accepted: 06/13/2021] [Indexed: 02/05/2023] Open
Abstract
Background The 2019 coronavirus disease (COVID-19) pandemic is a public health emergency of international concern and poses a challenge to the mental health and sleep quality of front-line medical staff (FMS). The aim of this study was to investigate the sleep quality of FMS during the COVID-19 outbreak in China and analyze the relationship between mental health and sleep quality of FMS. Methods From February 24, 2020 to March 22, 2020, a cross-sectional study was performed with 543 FMS from a medical center in Western China. A self-reported questionnaire was used to collect data anonymously. The following tests were used: The Self-Rating Anxiety Scale (SAS) for symptoms of anxiety, the Beck Depression Inventory (BDI) for depressive symptoms, and the Pittsburgh Sleep Quality Index (PSQI) for sleep quality assessment. Results Of the 543 FMS, 216 (39.8%) were classified as subjects with poor sleep quality. Anxiety (P<0.001), depression (P<0.001), and the prevalence of those divorced or widowed (P<0.05) were more common in FMS with poor sleep quality than in participants with good sleep quality. The FMS exhibiting co-occurrence of anxiety and depression were associated with worse scores on sleep quality than those medical staff in the other three groups/categories. The difference in sleep quality between the FMS with only depression and the FMS experiencing co-occurrence of anxiety and depression was statistically significant (P<0.05). However, there was no significant difference in sleep quality between the FMS experiencing only anxiety and the FMS with co-occurrence of anxiety and depression (P > 0.05). Conclusions During the COVID-19 pandemic, there was a noteworthy increase in the prevalence of negative emotions and sentiments among the medical staff, along with poor overall sleep quality. We anticipate that this study can stimulate more research into the mental state of FMS during outbreaks and other public health emergencies. In addition, particular attention must be paid to enhance the sleep quality of FMS, along with better planning and support for FMS who are continuously exposed to the existing viral epidemic by virtue of the nature of their profession.
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Affiliation(s)
- Leiyu Yue
- West China School of Nursing, Sichuan University/Department of Mental Health Centre, West China Hospital, Sichuan University, Chengdu, PR China
| | - Rui Zhao
- Geriatric Psychiatric Ward 2, The Fourth People's Hospital of Chengdu, Chengdu, PR China
| | - Qingqing Xiao
- West China School of Nursing, Sichuan University/Department of Mental Health Centre, West China Hospital, Sichuan University, Chengdu, PR China
| | - Yu Zhuo
- West China School of Nursing, Sichuan University/Department of Mental Health Centre, West China Hospital, Sichuan University, Chengdu, PR China
| | - Jianying Yu
- West China School of Nursing, Sichuan University/Department of Mental Health Centre, West China Hospital, Sichuan University, Chengdu, PR China
| | - Xiandong Meng
- West China School of Nursing, Sichuan University/Department of Mental Health Centre, West China Hospital, Sichuan University, Chengdu, PR China
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11
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Zhang R, Jiang H, Wang ZR, Lin P, Zhuo Y, Holcomb D, Zhang DH, Yang JJ, Xia Q. Nanoscale diffusive memristor crossbars as physical unclonable functions. Nanoscale 2018; 10:2721-2726. [PMID: 29419836 DOI: 10.1039/c7nr06561b] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
Physical unclonable functions have emerged as promising hardware security primitives for device authentication and key generation in the era of the Internet of Things. Herein, we report novel physical unclonable functions built upon the crossbars of nanoscale diffusive memristors that translate the stochastic distribution of Ag clusters in a SiO2 matrix into a random binary bitmap that serves as a device fingerprint. The random dispersion of Ag led to an uneven number of clusters at each cross-point, which in turn resulted in a stochastic ability to switch in the Ag:SiO2 diffusive memristors in an array. The randomness of the dispersion was a barrier to fingerprint cloning and the unique fingerprints of each device were persistent after fabrication. Using an optimized fabrication procedure, we maximized the randomness and achieved an inter-class Hamming distance of 50.68%. We also discovered that the bits were not flipping after over 104 s at 400 K, suggesting superior reliability of our physical unclonable functions. In addition, our diffusive memristor-based physical unclonable functions were easy to fabricate and did not require complicated post-processing for digitization and thus, provide new opportunities in hardware security applications.
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Affiliation(s)
- R Zhang
- State Key Laboratory of Precision Measuring Technology and Instruments, Tianjin University, Tianjin, 300072, China.
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12
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Liang Y, Zhuo Y, Lin Z, Jiang F, Dai Q, Lu J, Dong W, Zhu X, Han Z, Zhong W. Decreased Expression of MYPT1 Contributes to Tumor Angiogenesis and Poor Patient Prognosis in Human Prostate Cancer. Curr Mol Med 2018; 18:100-108. [PMID: 29974831 PMCID: PMC6302349 DOI: 10.2174/1566524018666180705111342] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2017] [Revised: 05/29/2018] [Accepted: 07/03/2018] [Indexed: 12/22/2022]
Abstract
BACKGROUND Our previous study demonstrated that Myosin Phosphatase Targeting subunit 1 (MYPT1) may function as a direct target of microRNA-30d, which promotes tumor angiogenesis and tumor growth of prostate cancer (PCa). Here, we aimed to investigate the clinical significance of MYPT1 expression and its functions in PCa. METHODS Roles of MYPT1 deregulation in tumor angiogenesis of PCa was determined in vitro and in vivo experiments. Expression patterns of MYPT1 and CD31 proteins were examined by immunohistochemistry and immunofluorescence, respectively. Associations of MYPT1/CD31 combination with various clinicopathological features and patients' prognosis of PCa were also statistically evaluated. RESULTS Through gain- and loss-of-function experiments, MYPT1 inhibited capillary tube formation of endothelial cells and in vivo tumor angiogenesis in a mouse model with the downregulation of VEGF and CD31 expression. In addition, MYPT1 expression was significantly decreased, while CD31 expression was dramatically increased in PCa tissues compared to benign prostate tissues. Notably, MYPT1 expression levels in PCa tissues were negatively correlated with that of CD31. Statistically, MYPT1-low/CD31- high expression was distinctly associated with high Gleason score, positive biochemical recurrence, and reduced overall survival of PCa patients. Moreover, PCa patients with MYPT1-low/CD31-high expression more frequently had shorter overall, biochemical recurrence-free and metastasis-free survivals. MYPT1/CD31 combination was identified as an independent factor to predict biochemical recurrence-free and metastasis-free survivals of PCa patients. CONCLUSIONS Our findings indicate that MYPT1 may inhibit angiogenesis and contribute favorable prognosis in PCa patients, implying that MYPT1 might be a potential drug candidate in anticancer therapy.
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Affiliation(s)
- Y Liang
- Department of Urology, Guangzhou First People's Hospital, The Second Affliated Hospital of South China University of Technology, South China University of Technology, Guangzhou, Guangdong 510180, China
- Department of Urology, Guangdong Key Laboratory of Clinical Molecular Medicine and Diagnostics, Guangzhou First People's Hospital, Guangzhou Medical University, Guangzhou, Guangdong 510180, China
| | - Y Zhuo
- Department of Urology, Guangzhou First People's Hospital, The Second Affliated Hospital of South China University of Technology, South China University of Technology, Guangzhou, Guangdong 510180, China
- Department of Urology, Guangdong Key Laboratory of Clinical Molecular Medicine and Diagnostics, Guangzhou First People's Hospital, Guangzhou Medical University, Guangzhou, Guangdong 510180, China
| | - Z Lin
- Department of Urology, Guangzhou First People's Hospital, The Second Affliated Hospital of South China University of Technology, South China University of Technology, Guangzhou, Guangdong 510180, China
- Department of Urology, The Second Affiliated Hospital of Guangzhou Medical University, Guangzhou Medical University, Guangzhou, Guangdong 510260, China
| | - F Jiang
- Department of Urology, Guangzhou First People's Hospital, The Second Affliated Hospital of South China University of Technology, South China University of Technology, Guangzhou, Guangdong 510180, China
- Department of Urology, Guangdong Key Laboratory of Clinical Molecular Medicine and Diagnostics, Guangzhou First People's Hospital, Guangzhou Medical University, Guangzhou, Guangdong 510180, China
| | - Q Dai
- Department of Urology, Guangzhou First People's Hospital, The Second Affliated Hospital of South China University of Technology, South China University of Technology, Guangzhou, Guangdong 510180, China
- Department of Urology, Guangdong Key Laboratory of Clinical Molecular Medicine and Diagnostics, Guangzhou First People's Hospital, Guangzhou Medical University, Guangzhou, Guangdong 510180, China
| | - J Lu
- Department of Urology, Guangdong Key Laboratory of Clinical Molecular Medicine and Diagnostics, Guangzhou First People's Hospital, Guangzhou Medical University, Guangzhou, Guangdong 510180, China
| | - W Dong
- Department of Urology, Guangdong Key Laboratory of Clinical Molecular Medicine and Diagnostics, Guangzhou First People's Hospital, Guangzhou Medical University, Guangzhou, Guangdong 510180, China
| | - X Zhu
- Department of Urology, Guangdong Key Laboratory of Clinical Molecular Medicine and Diagnostics, Guangzhou First People's Hospital, Guangzhou Medical University, Guangzhou, Guangdong 510180, China
| | - Z Han
- Department of Urology, Guangzhou First People's Hospital, The Second Affliated Hospital of South China University of Technology, South China University of Technology, Guangzhou, Guangdong 510180, China
- Department of Urology, Guangdong Key Laboratory of Clinical Molecular Medicine and Diagnostics, Guangzhou First People's Hospital, Guangzhou Medical University, Guangzhou, Guangdong 510180, China
| | - W Zhong
- Department of Urology, Guangzhou First People's Hospital, The Second Affliated Hospital of South China University of Technology, South China University of Technology, Guangzhou, Guangdong 510180, China
- Department of Urology, Guangdong Key Laboratory of Clinical Molecular Medicine and Diagnostics, Guangzhou First People's Hospital, Guangzhou Medical University, Guangzhou, Guangdong 510180, China
- Department of Urology, Huadu District People's Hospital, Southern Medical University, Guangzhou 510800, China
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Moure MJ, Zhuo Y, Boons GJ, Prestegard JH. Perdeuterated and 13C-enriched myo-inositol for DNP assisted monitoring of enzymatic phosphorylation by inositol-3-kinase. Chem Commun (Camb) 2017; 53:12398-12401. [PMID: 29067365 PMCID: PMC5690875 DOI: 10.1039/c7cc07023c] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The synthesis of perdeuterated and 13C enriched myo-inositol is presented. Myo-inositol and its derivatives are of interest as substrates for enzymes producing phosphorylated species with regulatory functions in many organisms. Its utility in monitoring real-time phosphorylation by myo-inositol-3-kinase is illustrated using dynamic nuclear polarization (DNP) to enhance NMR observation.
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Affiliation(s)
- M. J. Moure
- Complex Carbohydrate Research Center, University of Georgia, Athens GA 30602
| | - Y. Zhuo
- Complex Carbohydrate Research Center, University of Georgia, Athens GA 30602
| | - G. J. Boons
- Complex Carbohydrate Research Center, University of Georgia, Athens GA 30602
| | - J. H. Prestegard
- Complex Carbohydrate Research Center, University of Georgia, Athens GA 30602
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Deane G, Zhuo Y. EFFECTS OF WITHIN-FAMILY VARIABILITY ON PARENT-CHILD CONTACT AND SUPPORT. Innov Aging 2017. [DOI: 10.1093/geroni/igx004.5143] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Affiliation(s)
- G. Deane
- University at Albany, Albany, New York,
| | - Y. Zhuo
- St. John’s University, Queens, New York
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15
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Huang YD, Tong X, Chen Q, Xia SW, Zhuo Y, Kang ZH, Xue XY. Mechanism of pingyangmycin-induced apoptosis of cultured human umbilical vein endothelial cells. Genet Mol Res 2017; 16:gmr-16-02-gmr.16029298. [PMID: 28510249 DOI: 10.4238/gmr16029298] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
In this study, we investigated the effects of pingyangmycin (PYM) on the growth inhibition and apoptosis of human umbilical vein endothelial cells (HUVEC). In this study, we aimed to explore the optimal concentration of PYM to induce the apoptosis of HUVEC and to determine its mechanism of action. After treatment of HUVEC with different concentrations of PYM for 24 h, cell counting kit-8 (CCK-8) was used to detect growth inhibiting effects. Annexin V-FITC/propidium iodide stain was used to detect apoptosis, and western blot was used to detect the expression of glucose-related protein 78 (GPR78) and C/EBP homologous protein (CHOP) endoplasmic reticulum stress proteins. With increasing PYM concentration, the growth inhibition of HUVEC increased (P < 0.05), the apoptotic numbers of HUVEC increased (P < 0.05), with higher PYM concentrations inducing necrosis, and the protein expression of GRP78 and CHOP increased (P < 0.05). PYM could obviously inhibit the proliferation and promote the apoptosis of HUVEC. Necrotic cells were more prevalent than apoptotic cells at high PYM concentrations. This study helped to determine the proper concentration of PYM to induce more apoptosis than necrosis, which is critical to minimize inflammation, enhance the healing of the skin, and maintain safety for the patient. PYM might induce HUVEC apoptosis through the endoplasmic reticulum stress pathway.
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Affiliation(s)
- Y D Huang
- Department of Otorhinolaryngology Head & Neck Surgery of the First Clinical College of Wenzhou Medical university, ,, China .,
| | - X Tong
- Department of Otorhinolaryngology Head and Neck Surgery, , , China
| | - Q Chen
- Department of Otorhinolaryngology Head & Neck Surgery of the First Clinical College of Wenzhou Medical university, ,, China
| | - S W Xia
- Department of Otorhinolaryngology Head & Neck Surgery of the First Clinical College of Wenzhou Medical university, ,, China
| | - Y Zhuo
- Department of Otorhinolaryngology Head & Neck Surgery of the First Clinical College of Wenzhou Medical university, ,, China
| | - Z H Kang
- Department of Otorhinolaryngology Head & Neck Surgery of the First Clinical College of Wenzhou Medical university, ,, China
| | - X Y Xue
- Department of Microbiology and Immunology of Wenzhou Medical College, , , China
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16
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Long E, Wan P, Zhuo Y. Comment on 'Visual acuity and its predictors after surgery for bilateral cataracts in children'. Eye (Lond) 2017; 31:1111. [PMID: 28106894 DOI: 10.1038/eye.2016.320] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022] Open
Affiliation(s)
- E Long
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-Sen University, Guangzhou, China
| | - P Wan
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-Sen University, Guangzhou, China
| | - Y Zhuo
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-Sen University, Guangzhou, China
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Hong XP, Xu D, Zhuo Y, Liu HQ, Lu LQ. Identification and pathogenicity of Vibrio parahaemolyticus isolates and immune responses of Penaeus (Litopenaeus) vannamei (Boone). J Fish Dis 2016; 39:1085-1097. [PMID: 26763100 DOI: 10.1111/jfd.12441] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/12/2015] [Revised: 10/21/2015] [Accepted: 10/22/2015] [Indexed: 06/05/2023]
Abstract
Five different Vibrio parahaemolyticus strains (SH8, SH108, SH58, AH5 and GD10) isolated from the hepatopancreas of moribund shrimp in farms of mainland China were identified and capable of inducing massive mortality of Penaeus (Litopenaeus) vannamei. The immersion challenge results with five isolates indicated variance of virulence, while only GD10 caused massive sloughing of tubule epithelial cells which was recognized as the most significant symptom of AHPND. Differences in immune responses were detected of P. vannamei during 48 h post-infection (p.i.) by injection or immersion challenge with V. parahaemolyticus (SH8, SH108 and GD10) isolates. When injected SH8 and SH108 isolates, the expression of lysozyme (LSZ) showing statistically significant upregulation at 16 and 48 h p.i. and that of Toll-like receptors (TLR) showed statistically significant upregulation at 48 h p.i. When immersion challenge with the GD10 isolate, TLR were upregulated after 8 h p.i. challenge with 10(4) cfu mL(-1) ; however, LSZ was downregulated when challenged with 10(3) cfu mL(-1) . The results suggested that LSZ and TLR serve as crucial molecular markers of innate immunity in shrimp against V. parahaemolyticus infection. LSZ is a vital marker for acute bacterial infection, while TLR serves as a crucial marker for chronic infection.
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Affiliation(s)
- X P Hong
- Key Laboratory of Aquatic Genetic Resources of the Ministry of Agriculture, Shanghai Ocean University, Shanghai, China
| | - D Xu
- Key Laboratory of Aquatic Genetic Resources of the Ministry of Agriculture, Shanghai Ocean University, Shanghai, China
| | - Y Zhuo
- Key Laboratory of Aquatic Genetic Resources of the Ministry of Agriculture, Shanghai Ocean University, Shanghai, China
| | - H Q Liu
- Key Laboratory of Aquatic Genetic Resources of the Ministry of Agriculture, Shanghai Ocean University, Shanghai, China
| | - L Q Lu
- Key Laboratory of Aquatic Genetic Resources of the Ministry of Agriculture, Shanghai Ocean University, Shanghai, China
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Lv JJ, Yang ZH, Zhuo Y, Yuan R, Chai YQ. A novel aptasensor for thrombin detection based on alkaline phosphatase decorated ZnO/Pt nanoflowers as signal amplifiers. Analyst 2016; 140:8088-91. [PMID: 26548406 DOI: 10.1039/c5an01773d] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
Abstract
To remedy the problems caused by the introduction of an additional electron mediator and realize signal amplification, a new strategy has been presented to construct an electrochemical aptasensor for thrombin detection based on the cascade electrocatalysis of alkaline phosphatase (ALP) and Pt nanoparticle (PtNP)-functionalized ZnO nanoflowers.
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Affiliation(s)
- J J Lv
- Key Laboratory of Luminescent and Real-Time Analytical Chemistry (Southwest University), Ministry of Education, School of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, PR China.
| | - Z H Yang
- Key Laboratory of Luminescent and Real-Time Analytical Chemistry (Southwest University), Ministry of Education, School of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, PR China.
| | - Y Zhuo
- Key Laboratory of Luminescent and Real-Time Analytical Chemistry (Southwest University), Ministry of Education, School of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, PR China.
| | - R Yuan
- Key Laboratory of Luminescent and Real-Time Analytical Chemistry (Southwest University), Ministry of Education, School of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, PR China.
| | - Y Q Chai
- Key Laboratory of Luminescent and Real-Time Analytical Chemistry (Southwest University), Ministry of Education, School of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, PR China.
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Duong LT, Pickarski M, Cusick T, Chen CM, Zhuo Y, Scott K, Samadfam R, Smith SY, Pennypacker BL. Effects of long term treatment with high doses of odanacatib on bone mass, bone strength, and remodeling/modeling in newly ovariectomized monkeys. Bone 2016; 88:113-124. [PMID: 27126999 DOI: 10.1016/j.bone.2016.04.024] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/05/2016] [Revised: 03/22/2016] [Accepted: 04/24/2016] [Indexed: 12/30/2022]
Abstract
The objectives here were to evaluate the effects of odanacatib (ODN) at doses exceeding the clinical exposure on biomechanical properties of lumbar vertebrae (LV), hip and central femur (CF), and compare ODN to alendronate (ALN) on bone remodeling/modeling in ovariectomized (OVX) monkeys. Ten days post-surgery, animals were treated with vehicle (VEH), ODN-L (2mg/kg/day, p.o.), ODN-H (8/4mg/kg/day), or ALN (30μg/kg/week, s.c.) for 20months. An intact group was also included. ODN-L provided systemic exposures of 1.8-fold of clinical exposure. ODN-H started at 20-fold for 5.5months, and then reduced to 7.8-fold of clinical exposure, compared to ALN at approximated clinical exposure. From cross sectional analyses, LV density and peak load in ODN at both doses or ALN were not different from VEH or Intact. However, cortical thickness of femoral neck (FN) and CF in ODN were higher (21-34%, p<0.05) than VEH, due to smaller endocortical (Ec) perimeter of FN (10-11%; p<0.05) and CF (9-12%; ODN-L, p<0.05), and larger CF periosteal (Ps) perimeter (2-12%; ODN-H, p<0.001) versus VEH. ODN groups also showed slightly higher cortical porosity and Ps non-lamellar bone in CF. ODN-H treatment resulted in higher CF peak load (p<0.05) versus VEH. For all bone sites analyzed, a positive, linear relationship (r(2)=0.46-0.69, p<0.0001) of peak load to density or structural parameters was demonstrated. No treatment-related differences in the derived intrinsic strength properties were evidenced as compared between groups. ALN reduced all remodeling surfaces without affecting Ps modeling. Trabecular and intracortical remodeling were reduced in ODN groups, similar to ALN. Ec mineralizing surface in ODN-H trended to be lower than VEH by month 20, but Ec bone formation indices in ODN groups generally were not different from VEH. Ps modeling in ODN groups was significantly higher than other treatment groups. This study overall demonstrated the bone safety profile of ODN and its unique mechanism on cortical bone supporting the clinical application for osteoporosis treatment.
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Affiliation(s)
- L T Duong
- Bone Biology Group, Merck Research Laboratories, West Point, PA, USA.
| | - M Pickarski
- Bone Biology Group, Merck Research Laboratories, West Point, PA, USA
| | - T Cusick
- Bone Biology Group, Merck Research Laboratories, West Point, PA, USA
| | - C M Chen
- Bone Biology Group, Merck Research Laboratories, West Point, PA, USA
| | - Y Zhuo
- Bone Biology Group, Merck Research Laboratories, West Point, PA, USA
| | - K Scott
- Bone Biology Group, Merck Research Laboratories, West Point, PA, USA
| | - R Samadfam
- Charles River Laboratories, Preclinical Services Montreal, Quebec, Canada
| | - S Y Smith
- Charles River Laboratories, Preclinical Services Montreal, Quebec, Canada
| | - B L Pennypacker
- Bone Biology Group, Merck Research Laboratories, West Point, PA, USA
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20
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Abstract
Nonribosomal peptides are amongst the most widespread and structurally diverse secondary metabolites in nature with many possessing bioactivity that can be exploited for therapeutic applications. Due to the major challenges associated with total- and semi-synthesis, bioengineering approaches have been developed to increase yields and generate modified peptides with improved physicochemical properties or altered bioactivity. Here we review the major advances that have been made over the last decade in engineering the biosynthesis of nonribosomal peptides. Structural diversity has been introduced by the modification of enzymes required for the supply of precursors or by heterologous expression of tailoring enzymes. The modularity of nonribosomal peptide synthetase (NRPS) assembly lines further supports module or domain swapping methodologies to achieve changes in the amino acid sequence of nonribosomal peptides. We also review the new synthetic biology technologies promising to speed up the process, enabling the creation and optimisation of many more assembly lines for heterologous expression, offering new opportunities for engineering the biosynthesis of novel nonribosomal peptides.
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Affiliation(s)
- M Winn
- School of Chemistry and Manchester Institute of Biotechnology, The University of Manchester, 131 Princess Street, Manchester M1 7DN, UK.
| | - J K Fyans
- School of Chemistry and Manchester Institute of Biotechnology, The University of Manchester, 131 Princess Street, Manchester M1 7DN, UK.
| | - Y Zhuo
- School of Chemistry and Manchester Institute of Biotechnology, The University of Manchester, 131 Princess Street, Manchester M1 7DN, UK.
| | - J Micklefield
- School of Chemistry and Manchester Institute of Biotechnology, The University of Manchester, 131 Princess Street, Manchester M1 7DN, UK.
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21
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Abstract
Photonic crystal surfaces that are designed to function as wavelength-selective optical resonators have become a widely adopted platform for label-free biosensing, and for enhancement of the output of photon-emitting tags used throughout life science research and in vitro diagnostics. While some applications, such as analysis of drug-protein interactions, require extremely high resolution and the ability to accurately correct for measurement artifacts, others require sensitivity that is high enough for detection of disease biomarkers in serum with concentrations less than 1 pg/ml. As the analysis of cells becomes increasingly important for studying the behavior of stem cells, cancer cells, and biofilms under a variety of conditions, approaches that enable high resolution imaging of live cells without cytotoxic stains or photobleachable fluorescent dyes are providing new tools to biologists who seek to observe individual cells over extended time periods. This paper will review several recent advances in photonic crystal biosensor detection instrumentation and device structures that are being applied towards direct detection of small molecules in the context of high throughput drug screening, photonic crystal fluorescence enhancement as utilized for high sensitivity multiplexed cancer biomarker detection, and label-free high resolution imaging of cells and individual nanoparticles as a new tool for life science research and single-molecule diagnostics.
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Affiliation(s)
- B.T. Cunningham
- Dept. of Electrical and Computer Engineering, University of Illinois at Urbana-Champaign
- Dept. of Bioengineering, University of Illinois at Urbana-Champaign
- Micro and Nanotechnology Laboratory, University of Illinois at Urbana-Champaign
| | - M. Zhang
- Dept. of Physics, University of Illinois at Urbana-Champaign
| | - Y. Zhuo
- Dept. of Bioengineering, University of Illinois at Urbana-Champaign
- Micro and Nanotechnology Laboratory, University of Illinois at Urbana-Champaign
| | - L. Kwon
- Dept. of Bioengineering, University of Illinois at Urbana-Champaign
| | - C. Race
- Dept. of Electrical and Computer Engineering, University of Illinois at Urbana-Champaign
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22
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Xiao-Xia Y, Zhi-Hua L, Zhuo Y, Yue S, Xiao-Yu L. Development of SSR Markers Linked to Low Hydrocyanic Acid Content in Sorghum-Sudan Grass Hybrid Based on BSA Method. Protein Pept Lett 2016; 23:417-23. [PMID: 27001403 DOI: 10.2174/0929866523666160322153559] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2015] [Revised: 12/08/2015] [Accepted: 12/08/2015] [Indexed: 11/22/2022]
Abstract
Sorghum-Sudan grass hybrid containing high hydrocyanic acid content can cause hydrocyanic acid poisoning to the livestock and limit the popularization of this forage crop. Molecular markers associated with low hydrocyanic acid content can speed up the process of identification of genotypes with low hydrocyanic acid content. In the present study, 11 polymorphic SSR primers were screened and used for bulked segregant analysis and single marker analysis. Three SSR markers Xtxp7230, Xtxp7375 and Bnlg667960 associated with low hydrocyanic acid content were rapidly identified by BSA. In single marker analysis, six markers Xtxp7230, Xtxp7375, Bnlg667960, Xtxp67-11, Xtxp295-7 and Xtxp12-9 were linked to low hydrocyanic acid content, which explained the proportion of phenotypic variation from 7.6 % to 41.2 %. The markers identified by BSA were also verified by single marker analysis. The three SSR marker bands were then cloned and sequenced for sequence homology analysis in NCBI. It is the first report on the development of molecular markers associated with low hydrocyanic acid content in sorghum- Sudan grass hybrid. These markers will be useful for genetic improvement of low hydrocyanic acid sorghum-Sudan grass hybrid by marker-assisted breeding.
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Affiliation(s)
| | | | - Yu Zhuo
- College of Agronomy, Inner Mongolia Agricultural University, Hohhot 010019, China.
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23
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Zheng WH, Zhuo Y, Liang L, Ding WY, Liang LY, Wang XF. Conservation and population genetic diversity of Curcuma wenyujin (Zingiberaceae), a multifunctional medicinal herb. Genet Mol Res 2015; 14:10422-32. [PMID: 26400273 DOI: 10.4238/2015.september.8.3] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
Curcuma wenyujin is an important multifunctional medicinal herb in China. Currently, populations of C. wenyujin are decreasing, and wild individuals have almost disappeared from their natural habitats. Moreover, little is known regarding the molecular characteristics of this plant. In this study, we investigated the genetic diversity and variation of five populations of C. wenyujin, using ran-dom amplified polymorphic DNA (RAPD) and inter-simple sequence repeat (ISSR) markers. We found that the percentages of polymorphic loci (PPL) at the species level (98.25% by RAPD and 100% by ISSR) were significantly higher than those at the population level (66.32% by RAPD and 67.14% by ISSR). The highest values of PPL, expected heterozygosity, and Shannon's information index were in Pop1, while the lowest values were in Pop2. Both DNA markers revealed a short genetic distance between Pop1 and Pop2 (0.1424 by RAPD and 0.1904 by ISSR). Phylogenetic trees produced similar results, with Pop1, Pop2, and Pop5 in one group and Pop3 and Pop4 in another. There were no significant correlations between their genetic distances and their geographical distances. The highest genetic diversity was in Pop1 and the lowest was in Pop2, and genetic diversity at the species level was relatively low, but much higher than that at the population level. We recommended the establishment of a germplasm bank, in situ con-servation, and propagation of wild individuals. The present study will improve the evaluation, protection, and utilization of the population resources of C. wenyujin.
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Affiliation(s)
- W H Zheng
- College of Life and Environmental Science, Wenzhou University, Wenzhou, China
| | - Y Zhuo
- Department of Burn and Plastic Surgery, the 118th Hospital of The People's Liberation Army, Wenzhou, China
| | - L Liang
- College of Life and Environmental Science, Wenzhou University, Wenzhou, China
| | - W Y Ding
- College of Life and Environmental Science, Wenzhou University, Wenzhou, China
| | - L Y Liang
- College of Life and Environmental Science, Wenzhou University, Wenzhou, China
| | - X F Wang
- College of Life and Environmental Science, Wenzhou University, Wenzhou, China
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24
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Abstract
The aim of this study was to evaluate the immune memory response 13-18 years after an hepatitis B virus (HBV) vaccine by performing a specific in vitro stimulation experiment. Thirty healthy volunteers who had been inoculated 13-18 years ago with the HBV vaccine were collected from the physical examination center. Peripheral blood mononuclear cells were stimulated with 50 ng/mL recombinant HBsAg. An ELISA kit was used for the detection of antibodies that were produced by these cells in vitro. It was found that even 13-18 years after inoculation with the HBV vaccine, an anamnestic antibody response still existed, and was not correlated with the serum antibody levels (r = -0.177, P = 0.377). In conclusion, our data showed that the individuals after inoculation, including those with anti-HBs <10 IU/L as well as those individuals in whom the antibody was not detected, retained immune memory, which may be the main role of memory B cells.
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Affiliation(s)
- L Hou
- Department of Infectious Diseases Ι, The First Affiliated Hospital of Xinxiang Medical University, Weihui, Henan Province, China
| | - W Li
- Department of Infectious Diseases Ι, The First Affiliated Hospital of Xinxiang Medical University, Weihui, Henan Province, China
| | - X Wei
- Department of Infectious Diseases ΙI, The First Affiliated Hospital of Xinxiang Medical University, Weihui, Henan Province, China
| | - Y Zhou
- Department of Infectious Diseases ΙI, The First Affiliated Hospital of Xinxiang Medical University, Weihui, Henan Province, China
| | - Y Zhuo
- Department of Infectious Diseases ΙI, The First Affiliated Hospital of Xinxiang Medical University, Weihui, Henan Province, China
| | - H Wu
- Department of Infectious Diseases Ι, The First Affiliated Hospital of Xinxiang Medical University, Weihui, Henan Province, China
| | - B Shen
- Department of Infectious Diseases Ι, The First Affiliated Hospital of Xinxiang Medical University, Weihui, Henan Province, China
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25
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Signorovitch J, Betts KA, Meng X, Zhuo Y, Wu EQ, Shi L. Which Newly-Diagnosed Diabetics Should Receive Dietary Counseling Services? Estimating Individualized Treatment Allocations that Optimize cost-Effectiveness in Real-World Data. Value Health 2014; 17:A358. [PMID: 27200721 DOI: 10.1016/j.jval.2014.08.771] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Affiliation(s)
| | - K A Betts
- Analysis Group, Inc., Boston, MA, USA
| | - X Meng
- Analysis Group, Inc., Boston, MA, USA
| | | | - E Q Wu
- Analysis Group, Inc., Boston, MA, USA
| | - L Shi
- Tulane University, New Orleans, LA, USA
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26
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Zhuo Y, Gauthier JY, Black WC, Percival MD, Duong LT. Inhibition of bone resorption by the cathepsin K inhibitor odanacatib is fully reversible. Bone 2014; 67:269-80. [PMID: 25038310 DOI: 10.1016/j.bone.2014.07.013] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/23/2014] [Revised: 06/10/2014] [Accepted: 07/08/2014] [Indexed: 12/22/2022]
Abstract
The cathepsin K (CatK) inhibitor odanacatib (ODN) is currently being developed for the treatment of osteoporosis. In clinical trials, efficacy and resolution of effect of ODN treatment on bone turnover biomarkers and accrued bone mass have been demonstrated. Here, we examine the effects of continuing treatment and discontinuation of ODN versus alendronate (ALN) on osteoclast (OC) function. First, accessibility and reversible engagement of active CatK in intracellular vesicles and resorption lacunae of actively resorbing OCs were demonstrated by the selective and reversible CatK inhibitors, BODIPY-L-226 (IC50=39nM) and L-873,724 (IC50=0.5nM). Next, mature human OCs on bone slices were treated with vehicle, ODN, or ALN for 2days, followed by either continuing with the same treatment, or replacement of the inhibitors by vehicle for additional times as specified per experimental conditions. Maintaining OCs on ODN or ALN significantly reduced CTx-I release compared to vehicle controls. However, only the treatment of OCs with ODN resulted in the formation of small shallow discrete resorption pits, retention of intracellular vesicles enriched with CatK and other lysosomal enzymes, increase in 1-CTP release and number of TRAP(+) OCs. Upon discontinuation of ODN treatment, OCs rapidly resumed bone resorption activity, as demonstrated by a return of OC functional markers (CTx-I, 1-CTP), cell number and size, morphology and number of resorption pits, and vesicular secretion of CatK toward the respective vehicle levels. As expected, discontinuation of ALN did not reverse the treatment-related inhibition of OC activity in the time frame of the experiment. In summary, this study demonstrated rapid kinetics of inhibition and reversibility of the effects of ODN on OC bone resorption, that differentiated the cellular mechanism of CatK inhibition from that of the bisphosphate antiresorptive ALN.
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Affiliation(s)
- Y Zhuo
- Department of Bone Biology, Merck Research Laboratories, West Point, PA, USA.
| | - J-Y Gauthier
- Pharmascience, 6111 Avenue Royalmount, suite100, Montréal, QC H4P 2T4, Canada.
| | - W C Black
- Kaneq Pharma Inc., 110 Churchill, Baie d'Urfé, QC H9X 2Y6, Canada.
| | - M D Percival
- Inception Sciences Canada Inc., 887 Great Northern Way, Vancouver, BC V5T4T5, Canada.
| | - L T Duong
- Department of Bone Biology, Merck Research Laboratories, West Point, PA, USA.
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27
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Zhang B, Che LQ, Lin Y, Zhuo Y, Fang ZF, Xu SY, Song J, Wang YS, Liu Y, Wang P, Wu D. Effect of Dietary N-Carbamylglutamate Levels on Reproductive Performance of Gilts. Reprod Domest Anim 2014; 49:740-5. [DOI: 10.1111/rda.12358] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2014] [Accepted: 05/21/2014] [Indexed: 12/01/2022]
Affiliation(s)
- B Zhang
- Key Laboratory of Animal Disease-Resistance Nutrition and Feed Science; Institute of Animal Nutrition; Sichuan Agricultural University; Ya'an China
| | - LQ Che
- Key Laboratory of Animal Disease-Resistance Nutrition and Feed Science; Institute of Animal Nutrition; Sichuan Agricultural University; Ya'an China
| | - Y Lin
- Key Laboratory of Animal Disease-Resistance Nutrition and Feed Science; Institute of Animal Nutrition; Sichuan Agricultural University; Ya'an China
| | - Y Zhuo
- Key Laboratory of Animal Disease-Resistance Nutrition and Feed Science; Institute of Animal Nutrition; Sichuan Agricultural University; Ya'an China
| | - ZF Fang
- Key Laboratory of Animal Disease-Resistance Nutrition and Feed Science; Institute of Animal Nutrition; Sichuan Agricultural University; Ya'an China
| | - SY Xu
- Key Laboratory of Animal Disease-Resistance Nutrition and Feed Science; Institute of Animal Nutrition; Sichuan Agricultural University; Ya'an China
| | - J Song
- Key Laboratory of Animal Disease-Resistance Nutrition and Feed Science; Institute of Animal Nutrition; Sichuan Agricultural University; Ya'an China
| | - YS Wang
- Key Laboratory of Animal Disease-Resistance Nutrition and Feed Science; Institute of Animal Nutrition; Sichuan Agricultural University; Ya'an China
| | - Y Liu
- Key Laboratory of Animal Disease-Resistance Nutrition and Feed Science; Institute of Animal Nutrition; Sichuan Agricultural University; Ya'an China
| | - P Wang
- Key Laboratory of Animal Disease-Resistance Nutrition and Feed Science; Institute of Animal Nutrition; Sichuan Agricultural University; Ya'an China
| | - D Wu
- Key Laboratory of Animal Disease-Resistance Nutrition and Feed Science; Institute of Animal Nutrition; Sichuan Agricultural University; Ya'an China
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28
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Shen B, Wang W, Ding L, Sao Y, Huang Y, Shen Z, Zhuo Y, Wei Z, Zhang W. Nuclear factor erythroid 2-related factor 2 rescues the oxidative stress induced by di-N-butylphthalate in testicular Leydig cells. Hum Exp Toxicol 2014; 34:145-52. [PMID: 24917652 DOI: 10.1177/0960327114530744] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Abstract
Aim: This study aimed to determine whether nuclear factor erythroid 2-related factor 2 antagonized the oxidative stress induced by di- N-butylphthalate (DBP) in testicular Leydig cells. Methods: Mouse TM3 testicular Leydig cells were treated with Nrf2 knockdown (KD) or overexpression in the presence and absence of DBP. Oxidative profiles were examined. Nrf2 target antioxidant genes were studied, and the effects of Nrf2 inducer sulphoraphane (SFN) were tested. Results: DBP induced intracellular oxidative stress to a similar extent with Nrf2 KD. Expression and protein levels of Nrf2 were increased together with its target genes, namely heme oxygenase 1, nicotinamide adenine dinucleotide phosphate quinone oxidoreductase 1 and peroxiredoxin 6, following DBP stimulation. Use of SFN not only restored the intracellular oxidative toxicity but also cell proliferation and testosterone secretion in response to DBP. Conclusion: Increased Nrf2 activity, for example, by SFN can effectively antagonize the oxidative stress in testicular Leydig cells caused by DBP.
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Affiliation(s)
- B Shen
- Department of Urology, The Second Affiliated Hospital of Nanjing Medical University, Nanjing, People’s Republic of China
| | - W Wang
- Department of Urology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, People’s Republic of China
| | - L Ding
- Department of Urology, The Second Affiliated Hospital of Nanjing Medical University, Nanjing, People’s Republic of China
| | - Y Sao
- Department of Urology, The Second Affiliated Hospital of Nanjing Medical University, Nanjing, People’s Republic of China
| | - Y Huang
- Department of Urology, The Second Affiliated Hospital of Nanjing Medical University, Nanjing, People’s Republic of China
| | - Z Shen
- Department of Urology, The Second Affiliated Hospital of Nanjing Medical University, Nanjing, People’s Republic of China
| | - Y Zhuo
- Department of Urology, The Second Affiliated Hospital of Nanjing Medical University, Nanjing, People’s Republic of China
| | - Z Wei
- Department of Urology, The Second Affiliated Hospital of Nanjing Medical University, Nanjing, People’s Republic of China
| | - W Zhang
- Department of Urology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, People’s Republic of China
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29
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Nguyen B, Zhuo Y, Ni R. The relationship between performance on 2D shape perception and steering control. J Vis 2013. [DOI: 10.1167/13.9.954] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
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30
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31
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Shen WW, Chen J, Deng JH, Zhuo Y, Fan Y, Kuang WH. [Clinical analysis of patients with acute and severe mental disorders complicated with hypokalemia]. Sichuan Da Xue Xue Bao Yi Xue Ban 2012; 43:297-299. [PMID: 22650052] [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: 06/01/2023]
Abstract
OBJECTIVE To study the occurrence and characteristics of hypokalemia to the patients with acute and severe mental disorders, and analyze its influencing factors. METHODS There were 815 patients with actue and severe mental disorder admitted into our psychiatry department from June 2009 to May 2010, who all received the examination of potassium concentration routinely at the admission. The patients were divided into hypokalemia group and non-hypokalemia group, and the clinical information were surveyed and compared between the two groups to find out the influencing factors of hypokalemia. RESULTS There were 177 patients with hypokalemia, and the proportion was 21.72%. Between the two groups, the difference of age, sex, admission season, whether with physical diseases and diagnosis were statistically significant (P < 0.05), while spiritual movement situation was not significant different (P > 0.05). Spearman rank correlation analysis showed that the incidence of hypokalemia was negatively correlated with age (r = -0.55, P = 0.00). Furthermore, multivariate analysis found that women, poor diet and physical disease were risk factors of hypolalemia (P < 0.05). CONCLUSION There is relatively high probability of hypokalemia occurrence to the patients with acute and severe mental disorders, which should be distinguished and treated at the admission timely.
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Affiliation(s)
- Wen-Wu Shen
- Mental Health Center, West China Hospital, Sichuan University, Chengdu 610041, China
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32
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Leung P, Pickarski M, Zhuo Y, Masarachia PJ, Duong LT. The effects of the cathepsin K inhibitor odanacatib on osteoclastic bone resorption and vesicular trafficking. Bone 2011; 49:623-35. [PMID: 21718816 DOI: 10.1016/j.bone.2011.06.014] [Citation(s) in RCA: 90] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/01/2011] [Revised: 06/10/2011] [Accepted: 06/14/2011] [Indexed: 11/28/2022]
Abstract
Odanacatib (ODN) is a selective, potent and reversible inhibitor of cathepsin K (CatK) that inhibits bone loss in postmenopausal osteoporosis. Evidence from osteoclast (OC) formation from bone marrow of CatK(-/-) mice or human OC progenitors treated with ODN, demonstrated that CatK inhibition has no effect on osteoclastogenesis or survival of OCs. Although having no impact on OC activation, ODN reduces resorption activity as measured by CTx release (IC(50)=9.4 nM) or resorption area (IC(50)=6.5 nM). While untreated cells generate deep trail-like resorption lacunae, treated OCs form small discrete shallow pits. ODN leads to significant accumulation of intracellular vesicles intensely stained for CatK and TRAP. CatK (+) vesicles localize toward the basolateral and functional secretory membranes of the polarized OC and TRAP(+) vesicles evenly distribute in the cytoplasm, suggesting that ODN disrupts multiple vesicular trafficking pathways. Intracellular levels of both precursor and mature TRAP were increased by 2-fold and the pre-pro and mature CatK by 6- and 2-fold in ODN-treated OCs compared to untreated controls. ODN treated OC accumulates labeled degraded bone matrix proteins in CatK containing vesicles. In summary, ODN treatment inhibits bone resorption by blocking degradation of demineralized collagen in the resorption lacunae, and retarding transcytosis for further processing of degraded proteins.
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Affiliation(s)
- P Leung
- Merck Sharp, & Dohme Corp., P.O. Box 100, Whitehouse Station, NJ 08889, USA
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33
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He L, Zhou T, Zhang J, Zhuo Y, Chen L. The Number Sense Follows the Object Sense. J Vis 2011. [DOI: 10.1167/11.11.895] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
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34
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Bai Y, Ge J, Saragovi H, Zhuo Y. The role of neurotrophins and mimetics in the treatment of ocular diseases. DRUG FUTURE 2011. [DOI: 10.1358/dof.2011.036.02.1533653] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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35
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Zhou D, Fang Z, Wu D, Zhuo Y, Xu S, Wang Y, Zhou P, Lin Y. Dietary energy source and feeding levels during the rearing period affect ovarian follicular development and oocyte maturation in gilts. Theriogenology 2010; 74:202-11. [DOI: 10.1016/j.theriogenology.2010.02.002] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2009] [Revised: 01/10/2010] [Accepted: 01/12/2010] [Indexed: 11/30/2022]
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36
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He L, Zhou T, Zhang J, Chen L, Zhuo Y. Connectedness and inside/outside relation affect dot numerical judgment: implications for perceptual objects defined by topological attributes. J Vis 2010. [DOI: 10.1167/8.6.654] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
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37
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Yan L, Zhuo Y, Wang B, Aguirre GK, Wang J. Age Effects on Low Frequency Physiological Fluctuations in Resting State BOLD fMRI. Neuroimage 2009. [DOI: 10.1016/s1053-8119(09)71922-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
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38
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Zhuo Y, Arabin B. Spontaneous Monochorionic Five-Amniotic Quintuplet Pregnancy. Z Geburtshilfe Neonatol 2009. [DOI: 10.1055/s-0029-1222991] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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39
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Wu Y, He Q, Huang H, Zhang L, Zhuo Y, Xie Q, Wu B. [Analysis and research of brain-computer interface experiments for imaging left-right hands movement]. Sheng Wu Yi Xue Gong Cheng Xue Za Zhi 2008; 25:983-988. [PMID: 19024431] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/27/2023]
Abstract
This is a research carried out to explore a pragmatic way of BCI based imaging movement, i. e. to extract the feature of EEG for reflecting different thinking by searching suitable methods of signal extraction and recognition algorithm processing, to boost the recognition rate of communication for BCI system, and finally to establish a substantial theory and experimental support for BCI application. In this paper, different mental tasks for imaging left-right hands movement from 6 subjects were studied in three different time sections (hint keying at 2s, 1s and 0s after appearance of arrow). Then we used wavelet analysis and Feed-forward Back-propagation Neural Network (BP-NN) method for processing and analyzing the experimental data of off-line. Delay time delta t2, delta t1 and delta t0 for all subjects in the three different time sections were analyzed. There was significant difference between delta to and delta t2 or delta t1 (P<0.05), but no significant difference was noted between delta t2 and delta t1 (P>0.05). The average results of recognition rate were 65%, 86.67% and 72%, respectively. There were obviously different features for imaging left-right hands movement about 0.5-1s before actual movement; these features displayed significant difference. We got higher recognition rate of communication under the hint keying at about 1s after the appearance of arrow. These showed the feasibility of using the feature signals extracted from the project as the external control signals for BCI system, and demon strated that the project provided new ideas and methods for feature extraction and classification of mental tasks for BCI.
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Affiliation(s)
- Yazhou Wu
- Fifth Department of Da-ping Hospital & Research Institute of Surgery, Third Military Medical University, Chongqing 400042, China
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40
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Zhang HH, Wu BM, Zhuo Y, Zhang LY, Wang XL. [Design of a bowel sounds acquisition system based on C8051F340 MCU]. Zhongguo Yi Liao Qi Xie Za Zhi 2008; 32:207-211. [PMID: 18754425] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/26/2023]
Abstract
This paper introduces an eight channels dada acquisition system. A peripheral circuit based on C8051F340 MCU has been designed and its USB controller is used to transfer data, which realizes real-time detection, display and storage of bowel sounds. The system has many advantages such as high precision and stable performance, and thus provides a new means for the bowel sounds study.
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Affiliation(s)
- He-Hua Zhang
- Fifth Department, Daping Hospital & Research Institute of Field Surgery, Third Military Medical University, Chongqing
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Abstract
This paper introduces a novel mobile ECG telemonitoring system. By means of CDMA1x (GPSOne) mobile telecommunication network, the system can perform "full time and space" monitoring of human ECG signal, and once the signal of the monitored subject departed from its normal ranges, the hospital ECG monitoring center can further localize his/her geographical position and give rescue in the first time. Another feature of the system is its high anti-interference capability. In order to reduce 50Hz and RF interferences during mobile monitoring, which are usual much serious than conventional hospital monitoring, a new active recording technology was proposed and an active ECG recording electrode was designed. The system has passed the clinical test and used in China.
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Affiliation(s)
- Baoming Wu
- Department of Biomedical Engineering, Daping Hospital & Research Institute of Surgery, The Third Military, Medical University, Daping, Chongqing, 400042, P. R. China.
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Yan QG, Wu BM, Zhuo Y, Zhu XJ, Feng ZQ, Huang H. [Research progress in a wearable life signs monitoring system for a single soldier]. Zhongguo Yi Liao Qi Xie Za Zhi 2006; 30:345-8. [PMID: 17165563] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/13/2023]
Abstract
Wearable monitoring technology is a hot spot in biomedical engineering and military medical devices. This paper reviews the research progress about the wearable life-sign monitoring system for a single soldier.
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Affiliation(s)
- Qing-guang Yan
- The Fifth Department, Research Institute of Field Surgery, Daping Hospital, The Third Military Medical University, Chongqing, 400042
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43
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Wu BM, Zhu LY, Zhuo Y, Zhu XJ, Yan QG, Feng ZQ, Huang H. [Research progress in telemonitoring systems and automatic analysis methods of ambulatory ECG signals]. Zhongguo Yi Liao Qi Xie Za Zhi 2006; 30:352-8, 362. [PMID: 17165565] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/13/2023]
Abstract
This paper reviews the research progress in telemonitoring systems and automatic analysis of ECG signals. The key problems, urgently to be solved, about the automatic analysis in ECG telemonitoring systems are discussed.
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Affiliation(s)
- Bao-ming Wu
- The Fifth Department of Daping Hospital and Research Institute of Field Surgery, The Third Military Medical University, Chongqing, 400042
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44
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Wu BM, Nie XF, Zhu XJ, He QH, Zhuo Y. [Development of HPC-based monitoring devices for community medicine]. Zhongguo Yi Liao Qi Xie Za Zhi 2002; 26:326-8. [PMID: 16104259] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/04/2023]
Abstract
This paper introduces several novel HPC-based monitoring devices for community medicine. They support net transmission and have superiorities of portability, small size, good mobility, easy use and strong adaptivity.
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Affiliation(s)
- Bao-ming Wu
- Fifth Department of Research, Institute of Field Surgery, Daping Hospital, The Third Military Medical University, Chongqing
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Lan Y, Ge J, Zhuo Y, Wang J, Chen H, Liu H. Construction of the enhanced yellow fluorescent protein expression vector carrying IFN-gamma gene. Yan Ke Xue Bao 2001; 17:154-7. [PMID: 12567742] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/28/2023]
Abstract
PURPOSE To construct the enhanced yellow fluorescent protein (EYFP) vector carrying interferon-gamma gene (ifn-gamma) in order to provide an ideal reporter in the expression of ifn-gamma and location of protein in vitro and in vivo. METHOD According to the nucleotide sequence of ifn-gamma gene, a pair of oligonucleotides was designed as primer whose two end contained nucleotide sequence of EcoR V and Not I restriction endonuclease respectively. The gene encoding for inf-gamma was amplified using PCR technqiue. After the PCR product was retrieved and purified, it was digested with EcoR V and Not I restriction endonuclease, and then cloned into the plasmid pIRES-EYFP. The recombinant plasmid pIRES-EYFPIFN-gamma was identified by restriction endonuclease enzyme analysis and DNA sequence analysis. RESULTS The ifn-gamma was successfully amplified and verified by partial DNA sequence analysis. The recombinant plasmid was correctly screened. CONCLUSION The EYFP expression vector carrying ifn-gamma gene was successfully established. This research work has formed a base for monitoring the ifn-gamma gene expression and protein position in living cells.
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Affiliation(s)
- Y Lan
- Sun Yat-Sen Memorial Hospital, Sun Yat-sen University of Medical Science, Guangzhou 510120, China
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46
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Li Y, Lu D, Ge J, Li Y, Zhuo Y, Sears ML. Identified circadian rhythm genes of ciliary epithelium with differential display. Yan Ke Xue Bao 2001; 17:133-7. [PMID: 12567738] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/28/2023]
Abstract
PURPOSE To identify differential genes expressed in the rabbit ciliary epithelium during the circadian cycle of aqueous flow. METHODS Total RNA from ciliary epithelium of rabbits at 8 AM (light on 1 hour) and 8 PM (light off 1 hour) were compared by differential display reverse transcription-polymerase chain reaction (DD RT-PCR), using 6% denaturing polyacrylamide electrophoresis, choose differential display bands, cut and reamplify with the same primer, clone and sequence. Search the database of Genbank, prolong them with 5' RACE and 3' RACE technique then clone, sequence and search database of Genbank. RESULTS 93 Significant differences gene expression were detected between light on and light off in the rabbit ciliary epithelium. CONCLUSION Differential display is a powerful tool to screen differentially expressed genes in circadian rhythm of ciliary epithelium.
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Affiliation(s)
- Y Li
- Yale University School of Medicine, New Haven, CT 06520
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47
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Chen A, Tang Y, Zhuo Y, Wang Q, Pahk A, Field J. Ras activation of PAK protein kinases. Methods Enzymol 2001; 333:55-61. [PMID: 11400354 DOI: 10.1016/s0076-6879(01)33044-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/20/2023]
Affiliation(s)
- A Chen
- Department of Pharmacology, University of Pennsylvania School of Medicine, Philadelphia, Pennsylvania 19104, USA
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Lin M, Ge J, Liu Y, Zhuo Y, Guo Y. [Phacoemulsification in patients with cataract and overfiltering bleb after antiglaucoma surgery]. Yan Ke Xue Bao 2001; 17:85-7. [PMID: 12567757] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/28/2023]
Abstract
PURPOSE To evaluate the effect of phacoemulsification in patients with cataract, overfiltering bleb, and low-tension after antiglaucoma surgery. METHODS Phacoemulsification and implantation of a foldable intraocular len was performed in six patients(7 eyes) with overfiltering bleb, low-tension, and cataract. The complications, blebs, intraocular pressures(IOP), and visual acuity were observed postoperatively. RESULTS No severe complication was found. The overfiltering blebs constricted and their walls became thicker three months after the operation. The visual acuity and IOP were improved (P < 0.05). CONCLUSION Phacoemulsification may be another way to treat the patients with cataract and overfiltering bleb, low-tension after antiglaucoma surgery.
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Affiliation(s)
- M Lin
- Zhongshan Ophthalmic Center, Sun Yat-sen University of Medical Sciences, Guangzhou 510060, China
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49
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Abstract
OBJECTIVE The mechanism of visual spatial attention elicited by peripheral cueing was investigated in two studies. METHOD Event-related potentials (ERPs) were recorded when the subjects were performing a spatial frequency discrimination task and a location discrimination task. Stimuli were randomly flashed in the left or right visual field. Prior to each stimulus a peripheral cue was presented with a validity of 75%. RESULTS The subjects responded faster to valid trials than to invalid trials. The earliest visual ERP component, C1, was not modulated by the cue validity, suggesting that visual spatial attention elicited by peripheral cueing does not involve striate cortex. Valid trials elicited larger contralateral P1 but a smaller contralateral N1 than invalid trials. The early onsets of these attentional effects show that spatial attention affects stimulus processing at early sensory/perceptual stages. The latencies of contralateral P1 and contralateral N1 were shorter for invalid trials, however. The ipsilateral N1 was enhanced by valid trials in the spatial frequency discrimination task but was not in the location discrimination task, whereas the contralateral N1 was larger for invalid trials than for valid trials in both tasks. CONCLUSION The results indicate that involuntary allocation of attention involves different mechanisms from voluntary allocation of attention.
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Affiliation(s)
- S Fu
- Beijing Laboratory of Cognitive Science, University of Science and Technology of China, 100039, Beijing, China.
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Li L, Ge J, Zhuo Y, Lin M, Zheng J. [The cultivation, freezing-state preservation and resuscitation of human iris pigment epithelial cells in vitro]. Yan Ke Xue Bao 2000; 16:220-3. [PMID: 12579773] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/28/2023]
Abstract
PURPOSE To establish the culture of human iris pigment epithelial cells in vitro and study the freezing-state preservation and resusciation. METHODS The iris pigment epithelial specimens from human eyes were cultured in vitro. Based on the cell-frozen principle, the cultured cells were collected, then frozen in liquid nitrogen and resuscitation. RESULTS Cultured iris pigment epithelial cells were obtained. Under the inverted light microscope, primary cells appeared multigonal and arranged in monolayer, there were abundant pigment granules in the cytoplasm and the nuclei each of which contained 1 or 2 nuceoli wre relatively transparent. Under the transmission electron microscope, there were plenty of microvilli at the cell membrane and desmosomes present in the intercellular space. 6 groups of cells were frozen. The resuscitation exeriment was carried out for 4 times, every times being successful. All of the resuscitated rates were more than 90%. CONCLUSION The human iris pigment epithelial cells were cultured in vitro successfully, they can also be frozen and resuscitated, which will be useful in studies of pathogenesis for some eye disease.
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Affiliation(s)
- L Li
- Zhongshan Opthalmic Center, Sun Yat-sen University of Medical Science, Guang zhou 510060, China
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