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Zhou L, Bian H, Zhang N, Qian W. Real-time tracking of the adsorption of bovine serum albumin on lipid layer and its effect on lipolysis by optical interferometry. Food Chem 2024; 444:138581. [PMID: 38309074 DOI: 10.1016/j.foodchem.2024.138581] [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: 11/02/2023] [Revised: 01/22/2024] [Accepted: 01/24/2024] [Indexed: 02/05/2024]
Abstract
The model proteins bovine serum albumin (BSA) and lipid layer were used to study the effect of proteins on lipolysis. A lipid layer with an interference effect was constructed by loading the triolein into the silica colloidal crystal (SCC) film. The ordered porous layer interferometry (OPLI) system was used to track the changes in lipid layer mass caused by lipase hydrolysis to achieve real-time lipolysis detection. The real-time tracking of the adsorption of BSA on the lipid layer by converting the migration of interference fringes caused by the change of the lipid layer into the optical thickness change (ΔOT). The effect of BSA on the early and late stages of lipolysis was studied, and lipases containing 5 mg/mL BSA degraded the lipid layer 3.4 times faster than lipases containing 0.1 mg/mL BSA in the later stages. This study deepens the understanding of protein-lipid interactions in complex digestive environments.
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Affiliation(s)
- Lele Zhou
- School of Pharmacy, Binzhou Medical University, Yantai 264003, China.
| | - Haixin Bian
- School of Pharmacy, Binzhou Medical University, Yantai 264003, China
| | - Na Zhang
- School of Pharmacy, Binzhou Medical University, Yantai 264003, China
| | - Weiping Qian
- State Key Laboratory of Digital Medical Engineering, School of Biological Science and Medical Engineering, Southeast University, Nanjing 210096, China.
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2
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Dong J, Chen Y, Qian W, He Z, He P, Mo L, Wang Y, Wang W, Liang H, He J. Sub-lobar resection versus lobectomy for challenging intraoperative frozen sections in lung adenocarcinoma within 3 cm. Asian J Surg 2024:S1015-9584(24)00890-X. [PMID: 38760222 DOI: 10.1016/j.asjsur.2024.05.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2023] [Revised: 04/22/2024] [Accepted: 05/02/2024] [Indexed: 05/19/2024] Open
Abstract
OBJECTIVES Intraoperative frozen section (FS) analysis is pivotal in guiding surgical interventions for early-stage lung adenocarcinoma. However, the challenge arises when distinguishing between Minimally Invasive Adenocarcinoma (MIA) and Invasive Adenocarcinoma (IAC) poses diagnostic difficulties. This study investigates the prognosis and clinicopathological characteristics of patients encountering this diagnostic challenge. METHODS We conducted a retrospective analysis of 7082 intraoperative FSs from early-stage lung adenocarcinoma cases. The cases with pulmonary nodules within 3 cm and diagnosed as indeterminate FSs were included. We analyzed baseline data, computed tomography (CT) findings, and pathological characteristics. Prognostic data were obtained from patients with confirmed IAC diagnoses through final pathological examination. RESULTS Out of 7082 FSs, 551 cases presented challenges in distinguishing between MIA and IAC. Upon final pathological examination, 233 cases were identified as IAC, while 314 were classified as MIA. The median invasive pathological size in the IAC group was larger than that in the MIA group (0.6 cm vs 0.3 cm). 131 cases (56.2 %) with IAC underwent lobectomy, while 102 cases (43.8 %) underwent sub-lobar resection. Among the MIA cases, 220 cases (69.8 %) underwent sub-lobar resection, while 95 cases (30.2 %) underwent lobectomy. No recurrence and disease specific death was observed during the follow-up period, regardless of surgical strategy. CONCLUSIONS Indeterminate intraoperative FSs, posing diagnostic challenges in distinguishing between MIA and IAC. Sub-lobar resection presented the same long term survival benefit compared with the lobectomy for indeterminate lung adenocarcinoma within 3 cm during intraoperative FSs.
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Affiliation(s)
- Junguo Dong
- Department of Thoracic Surgery and Oncology, The First Affiliated Hospital of Guangzhou Medical University, State Key Laboratory of Respiratory Disease, National Clinical Research Center for Respiratory Disease, Guangzhou Institute of Respiratory Health, Guangzhou, 510120, China
| | - Yongjiang Chen
- Department of Thoracic Surgery and Oncology, The First Affiliated Hospital of Guangzhou Medical University, State Key Laboratory of Respiratory Disease, National Clinical Research Center for Respiratory Disease, Guangzhou Institute of Respiratory Health, Guangzhou, 510120, China
| | - Weiping Qian
- Department of Respiratory and Critical Care Medicine, Dongguan People's Hospital, Dongguan, Guangdong, China
| | - Zhenzhen He
- Department of Pathology, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, 510120, China
| | - Ping He
- Department of Pathology, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, 510120, China
| | - Lili Mo
- Department of Thoracic Surgery and Oncology, The First Affiliated Hospital of Guangzhou Medical University, State Key Laboratory of Respiratory Disease, National Clinical Research Center for Respiratory Disease, Guangzhou Institute of Respiratory Health, Guangzhou, 510120, China
| | - Yidong Wang
- Department of Thoracic Surgery and Oncology, The First Affiliated Hospital of Guangzhou Medical University, State Key Laboratory of Respiratory Disease, National Clinical Research Center for Respiratory Disease, Guangzhou Institute of Respiratory Health, Guangzhou, 510120, China
| | - Wei Wang
- Department of Thoracic Surgery and Oncology, The First Affiliated Hospital of Guangzhou Medical University, State Key Laboratory of Respiratory Disease, National Clinical Research Center for Respiratory Disease, Guangzhou Institute of Respiratory Health, Guangzhou, 510120, China
| | - Hengrui Liang
- Department of Thoracic Surgery and Oncology, The First Affiliated Hospital of Guangzhou Medical University, State Key Laboratory of Respiratory Disease, National Clinical Research Center for Respiratory Disease, Guangzhou Institute of Respiratory Health, Guangzhou, 510120, China.
| | - Jianxing He
- Department of Thoracic Surgery and Oncology, The First Affiliated Hospital of Guangzhou Medical University, State Key Laboratory of Respiratory Disease, National Clinical Research Center for Respiratory Disease, Guangzhou Institute of Respiratory Health, Guangzhou, 510120, China.
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3
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Zhang S, Ji L, Xu K, Xiong X, Ai B, Qian W, Dong J. Detection of redox potential evolution during the initial stage of an acute wound based on a redox-sensitive SERS-active optical fiber. Anal Methods 2024. [PMID: 38738477 DOI: 10.1039/d4ay00095a] [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] [Subscribe] [Scholar Register] [Indexed: 05/14/2024]
Abstract
To detect redox potential evolution during the initial stage of an acute wound, a redox-sensitive SERS-active optical fiber was fabricated by integrating redox-sensitive SERS probes in a hole of an optical fiber. The redox-sensitive SERS-active optical fibers carried redox-sensitive SERS probes into the inside of a wound to sense its redox potential. The laser was transmitted to the redox-sensitive SERS probes in the body by optical fibers, and the SERS signals of the redox-sensitive SERS probes were transferred out of the body by optical fibers to indicate the redox potentials in the wound. The redox-sensitive SERS probes dynamically sensed the redox potential in vivo, and their SERS signals were collected constantly to indicate the redox potentials. The assessments in vivo and in vitro proved the responsiveness of redox-sensitive SERS-active optical fibers. The redox potential evolution during the initial stage of an acute wound with the treatments of different concentrations of glucose was detected to verify the feasibility of redox-sensitive SERS-active optical fibers to dynamically detect redox potentials in vivo. The redox-sensitive SERS-active optical fiber would be a versatile tool to explore the roles of redox potentials in living organisms.
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Affiliation(s)
- Shuyu Zhang
- State Key Laboratory of Digital Medical Engineering, School of Biological Science and Medical Engineering, Southeast University, Nanjing 210096, China.
| | - Lingling Ji
- Department of Acupuncture-Moxibustion, Massage and Rehabilitation, Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing, 210029, China.
- Department of Acupuncture and Moxibustion, Suzhou Chinese Medicine Hospital Affiliated to Nanjing Chinese Medicine University, Suzhou 215003, China
| | - Kun Xu
- State Key Laboratory of Digital Medical Engineering, School of Biological Science and Medical Engineering, Southeast University, Nanjing 210096, China.
| | - Xiulei Xiong
- State Key Laboratory of Digital Medical Engineering, School of Biological Science and Medical Engineering, Southeast University, Nanjing 210096, China.
| | - Bingwei Ai
- Department of Acupuncture-Moxibustion, Massage and Rehabilitation, Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing, 210029, China.
| | - Weiping Qian
- State Key Laboratory of Digital Medical Engineering, School of Biological Science and Medical Engineering, Southeast University, Nanjing 210096, China.
| | - Jian Dong
- State Key Laboratory of Digital Medical Engineering, School of Biological Science and Medical Engineering, Southeast University, Nanjing 210096, China.
- Laboratory of Environment and Biosafety, Research Institute of Southeast University in Suzhou, Suzhou 215123, China
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4
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Li Q, Yang R, Zhou Z, Qian W, Zhang J, Wu Z, Jin L, Wu X, Zhang C, Zheng B, Tan J, Hao G, Li S, Hao Y, Zheng D, Wang Y, Li R, Liu P, Qiao J. Fertility history and intentions of married women, China. Bull World Health Organ 2024; 102:244-254. [PMID: 38562192 PMCID: PMC10976870 DOI: 10.2471/blt.23.289736] [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] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2023] [Revised: 11/09/2023] [Accepted: 01/06/2024] [Indexed: 04/04/2024] Open
Abstract
Objective To estimate the proportion of married women in China who intend to become pregnant given the country's pronatalist population policy and to investigate fecundity, with an emphasis on the influence of socioeconomic factors. Methods A nationally representative survey of 12 815 married women aged 20 to 49 years (mean: 36.8 years) was conducted during 2019 and 2020. All completed questionnaires, 10 115 gave blood samples and 11 710 underwent pelvic ultrasound examination. Fertility intention was the desire or intent to become pregnant combined with engagement in unprotected sexual intercourse. We defined infertility as the failure to achieve pregnancy after 12 months or more of unprotected intercourse. We considered an anti-Müllerian hormone level < 1.1 ng/mL and an antral follicular count < 7 as indicating an abnormal ovarian reserve. Findings Fertility intentions were reported by 11.9% of women overall but by only 6.1% of current mothers (weighted percentages). Fertility intention was significantly less likely among women in metropolises (odds ratio, OR: 0.38; 95% confidence interval, CI: 0.31-0.45) and those with a higher educational level (OR: 0.74; 95% CI: 0.62-0.88). Overall, 18.0% had experienced infertility at any time and almost 30% had an abnormal ovarian reserve on assessment. An abnormal ovarian reserve and infertility were less likely in women in metropolises (P < 0.05) but more likely in obese women (P < 0.05). Conclusion The willingness of Chinese married women to give birth remained low, even with relaxation of the one-child policy.
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Affiliation(s)
- Qin Li
- State Key Laboratory of Female Fertility Promotion, Center for Reproductive Medicine, Department of Obstetrics and Gynaecology, Peking University Third Hospital, 49 North Garden Road, Beijing, 100191, China
| | - Rui Yang
- State Key Laboratory of Female Fertility Promotion, Center for Reproductive Medicine, Department of Obstetrics and Gynaecology, Peking University Third Hospital, 49 North Garden Road, Beijing, 100191, China
| | - Zehong Zhou
- Guangzhou Institute of Paediatrics, Guangzhou Medical University, Guangzhou, China
| | - Weiping Qian
- Department of Reproductive Medicine, Peking University Shenzhen Hospital, Shenzhen, China
| | - Jian Zhang
- Key Laboratory of Cell Differentiation and Apoptosis of Chinese Ministry of Education, Shanghai Jiao Tong University, Shanghai, China
| | - Ze Wu
- Department of Reproductive Medicine, The First People's Hospital of Yunnan Province, Kunming, China
| | - Lei Jin
- Reproductive Medicine Center, Huazhong University of Science and Technology, Wuhan, China
| | - Xueqing Wu
- Children's Hospital of Shanxi and Women Health Center of Shanxi, Affiliated Hospital of Shanxi Medical University, Taiyuan, China
| | - Cuilian Zhang
- Reproductive Medical Center, Henan Provincial People's Hospital, Zhengzhou, China
| | - Beihong Zheng
- Reproductive Medicine Center, Fujian Provincial Maternity and Children's Hospital, Fuzhou, China
| | - Jichun Tan
- Center of Reproductive Medicine, Shengjing Hospital of China Medical University, Shenyang, China
| | - Guimin Hao
- Department of Reproductive Medicine, The Second Hospital of Hebei Medical University, Shijiazhuang, China
| | - Shangwei Li
- Division of Reproductive Medicine, West China Second University Hospital of Sichuan University, Chengdu, China
| | - Yongxiu Hao
- National Clinical Research Center for Obstetrics and Gynaecology, Peking University Third Hospital, Beijing, China
| | - Danni Zheng
- Key Laboratory of Assisted Reproduction (Peking University), Ministry of Education, Beijing, China
| | - Yuanyuan Wang
- Beijing Key Laboratory of Reproductive Endocrinology and Assisted Reproductive Technology, Beijing, China
| | - Rong Li
- State Key Laboratory of Female Fertility Promotion, Center for Reproductive Medicine, Department of Obstetrics and Gynaecology, Peking University Third Hospital, 49 North Garden Road, Beijing, 100191, China
| | - Ping Liu
- State Key Laboratory of Female Fertility Promotion, Center for Reproductive Medicine, Department of Obstetrics and Gynaecology, Peking University Third Hospital, 49 North Garden Road, Beijing, 100191, China
| | - Jie Qiao
- State Key Laboratory of Female Fertility Promotion, Center for Reproductive Medicine, Department of Obstetrics and Gynaecology, Peking University Third Hospital, 49 North Garden Road, Beijing, 100191, China
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Xu K, Wang Y, Zhang S, Xiong X, Meng D, Qian W, Dong J. An antioxidation-responsive SERS-active microneedle for detecting the antioxidant capacity in living organisms. Anal Chim Acta 2024; 1287:342138. [PMID: 38182399 DOI: 10.1016/j.aca.2023.342138] [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: 10/24/2023] [Revised: 12/11/2023] [Accepted: 12/11/2023] [Indexed: 01/07/2024]
Abstract
To detect the antioxidant capacity in living organisms, an antioxidation-responsive SERS-active microneedle was fabricated by adsorbing resazurin on miniature SERS substrates, SERS-active microneedles. The SERS intensity ratio of characterized peaks of resazurin and its product, resorufin, was adopted and verified as an indicator of antioxidant capacity. The feasibility of detection of the antioxidant capacity in living organisms was proved by using the fabricated SERS-active microneedles to detect the antioxidant capacity of lipopolysaccharide-induce inflammatory animal models. The fabricated SERS-active microneedles can be inserted into target soft tissues with minimal invasion to detect their antioxidant capacity. The fabricated SERS-active microneedles would be a novel tool to bring the detection of antioxidant capacity from samplings ex vivo and cells to complex tissues to promote the researches on redox biology in living organisms.
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Affiliation(s)
- Kun Xu
- State Key Laboratory of Digital Medical Engineering, School of Biological Science and Medical Engineering, Southeast University, Nanjing, 210096, China
| | - Yang Wang
- State Key Laboratory of Digital Medical Engineering, School of Biological Science and Medical Engineering, Southeast University, Nanjing, 210096, China
| | - Shuyu Zhang
- State Key Laboratory of Digital Medical Engineering, School of Biological Science and Medical Engineering, Southeast University, Nanjing, 210096, China
| | - Xiulei Xiong
- State Key Laboratory of Digital Medical Engineering, School of Biological Science and Medical Engineering, Southeast University, Nanjing, 210096, China
| | - Dianhuai Meng
- Department of Rehabilitation Medicine, The First Affiliated Hospital of Nanjing Medical University, Nanjing, 210029, China.
| | - Weiping Qian
- State Key Laboratory of Digital Medical Engineering, School of Biological Science and Medical Engineering, Southeast University, Nanjing, 210096, China.
| | - Jian Dong
- State Key Laboratory of Digital Medical Engineering, School of Biological Science and Medical Engineering, Southeast University, Nanjing, 210096, China; Laboratory of Environment and Biosafety, Research Institute of Southeast University in Suzhou, Suzhou, 215123, China.
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6
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Chang H, Cheng S, Xing G, Huang C, Zhang C, Qian W, Li J. Vincristine exposure impairs mouse oocyte quality by inducing spindle defects and early apoptosis. IUBMB Life 2023. [PMID: 38009728 DOI: 10.1002/iub.2797] [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] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2023] [Accepted: 11/02/2023] [Indexed: 11/29/2023]
Abstract
Vincristine (VCR) is a microtubule-destabilizing chemotherapeutic agent commonly administered for the treatment of cancers in patients, which can induce severe side effects including neurotoxicity. In context of the effects on female fertility, ovarian toxicity has been found in patients and mice model after VCR exposure. However, the influence of VCR exposure on oocyte quality has not been elucidated. We established VCR exposure in vitro and in vivo model. The results indicated in vitro VCR exposure contributed to failure of oocyte maturation through inducing defects in spindle assembly, activation of SAC, oxidative stress, mitochondrial dysfunction, and early apoptosis, which were confirmed by using in vivo exposure model. Moreover, in vivo VCR exposure caused aneuploidy, reduced oocyte-sperm binding ability, and the number of cortical granules in mouse oocyte cortex. Taken together, this study demonstrated that VCR could cause meiotic arrest and poor quality of mouse oocyte.
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Affiliation(s)
- Haoya Chang
- Department of Reproductive Medicine, Peking University Shenzhen Hospital, Shenzhen, China
| | - Siyu Cheng
- Department of Reproductive Medicine, Peking University Shenzhen Hospital, Shenzhen, China
| | - Guoqiang Xing
- Department of General Surgery, Tianjin Fifth Central Hospital (Peking University Binhai Hospital), Tianjin, China
| | - Chenyang Huang
- Department of Human Cell Biology and Genetics, School of Medicine, Southern University of Science and Technology, Shenzhen, China
| | - Chunhui Zhang
- Department of Reproductive Medicine, Peking University Shenzhen Hospital, Shenzhen, China
| | - Weiping Qian
- Department of Reproductive Medicine, Peking University Shenzhen Hospital, Shenzhen, China
| | - Jian Li
- Department of Reproductive Medicine, Peking University Shenzhen Hospital, Shenzhen, China
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7
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Yan L, Cao Y, Chen ZJ, Du J, Wang S, Huang H, Huang J, Li R, Liu P, Zhang Z, Huang Y, Lin G, Pan H, Qi H, Qian W, Sun Y, Wu L, Yao Y, Zhang B, Zhang C, Zhao S, Zhou C, Zhang X, Qiao J. Chinese experts' consensus guideline on preimplantation genetic testing of monogenic disorders. Hum Reprod 2023; 38:ii3-ii13. [PMID: 37982416 DOI: 10.1093/humrep/dead112] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2022] [Revised: 03/06/2023] [Indexed: 11/21/2023] Open
Abstract
Recent developments in molecular biological technologies and genetic diagnostic methods, accompanying with updates of relevant terminologies, have enabled the improvements of new strategies of preimplantation genetic testing for monogenic (single gene) disorders (PGT-M) to prevent the transmission of inherited diseases. However, there has been much in the way of published consensus on PGT-M. To properly regulate the application of PGT-M, Chinese experts in reproductive medicine and genetics have jointly developed this consensus statement. The consensus includes indications for patient selection, genetic and reproductive counseling, informed consent, diagnostic strategies, report generation, interpretation of results and patient follow-ups. This consensus statement serves to assist in establishment of evidence-based clinical and laboratory practices for PGT-M.
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Affiliation(s)
- Liying Yan
- Department of Obstetrics and Gynecology, Center for Reproductive Medicine, National Clinical Research Center for Obstetrics and Gynecology, Peking University Third Hospital, Beijing, China
| | - Yunxia Cao
- The First Affiliated Hospital of Anhui Medical University, Hefei, China
| | - Zi-Jiang Chen
- Hospital for Reproductive Medicine Affiliated to Shandong University, Jinan, China
| | - Jie Du
- Beijing Anzhen Hospital, Capital Medical University, Beijing, China
| | - ShuYu Wang
- Beijing Obstetrics and Gynecology Hospital, Capital Medical University, Beijing, China
| | - Hefeng Huang
- Obstetrics & Gynecology Hospital of Fudan University, Shanghai, China
| | - Jin Huang
- Department of Obstetrics and Gynecology, Center for Reproductive Medicine, National Clinical Research Center for Obstetrics and Gynecology, Peking University Third Hospital, Beijing, China
| | - Rong Li
- Department of Obstetrics and Gynecology, Center for Reproductive Medicine, National Clinical Research Center for Obstetrics and Gynecology, Peking University Third Hospital, Beijing, China
| | - Ping Liu
- Department of Obstetrics and Gynecology, Center for Reproductive Medicine, National Clinical Research Center for Obstetrics and Gynecology, Peking University Third Hospital, Beijing, China
| | - Zhe Zhang
- Department of Obstetrics and Gynecology, Center for Reproductive Medicine, National Clinical Research Center for Obstetrics and Gynecology, Peking University Third Hospital, Beijing, China
| | - Yu Huang
- Peking University Health Science Center, Beijing, China
| | - Ge Lin
- Reproductive & Genetic Hospital of CITIC-Xiangya, Changsha, China
| | - Hong Pan
- Peking University First Hospital, Beijing, China
| | - Hongbo Qi
- The First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Weiping Qian
- Peking University Shenzhen Hospital, Shenzhen, China
| | - Yun Sun
- Renji Hospital Affiliated to Shanghai Jiaotong University School of Medicine, Shanghai, China
| | - Lingqian Wu
- The State Key Laboratory of Medical Genetics, School of Life Sciences, Central South University, Changsha, China
| | - Yuanqing Yao
- Shenzhen Key Laboratory of Fertility Regulation, The University of Hong Kong-Shenzhen Hospital, Shenzhen, China
| | - Bo Zhang
- Maternity and Child Health Care of Guangxi Zhuang Autonomous Region, Nanning, China
| | | | - Shuyun Zhao
- Hospital Affiliated to Guizhou Medical University, Guiyang, China
| | - Canquan Zhou
- The First Affiliated Hospital, Sun Yat-sen Univeristy, Guangzhou, China
| | - Xue Zhang
- Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences, Beijing, China
| | - Jie Qiao
- Department of Obstetrics and Gynecology, Center for Reproductive Medicine, National Clinical Research Center for Obstetrics and Gynecology, Peking University Third Hospital, Beijing, China
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Zhang Y, Wang L, Ma N, Wan Y, Zhu X, Qian W. Ordered Porous Layer Interferometry for Dynamic Observation of Non-Specific Adsorption Induced by 1-Ethyl-3-(3-(dimethylamino)propyl) Carbodiimide. Langmuir 2023; 39:11406-11413. [PMID: 37542713 DOI: 10.1021/acs.langmuir.3c01266] [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] [Subscribe] [Scholar Register] [Indexed: 08/07/2023]
Abstract
Nonspecific adsorption (NSA) seems to be an impregnable obstacle to the progress of the biomedical, diagnostic, microelectronic, and material fields. The reaction path of bioconjugation can alter the surface charge distribution on products and the interaction of bioconjugates, an ignored factor causing NSA. We monitored exacerbated NSA introduced by a 1-ethyl-3-(3-(dimethylamino)propyl) carbodiimide (EDC) addition reaction, which cannot be resistant to bovine serum albumin (BSA) or polyethylene glycol (PEG) antifouling coating and Tween-20. And the negative effects can be minimized by adding as low as 7.5 × 10-6 M N-hydroxysulfosuccinimide (sulfo-NHS). We applied ordered porous layer interferometry (OPLI) to sensitively evaluate the NSA that is difficult to measure on individual particles. Using the silica colloidal crystal (SCC) film with Fabry-Perot fringes as in situ and real-time monitoring for the NSA, we optimized the surface chemistry to yield a conjugate surface without variational charge distribution. In this work, we propose a novel approach from the perspective of the reaction pathway to minimize the NSA of solely EDC-induced chemistry.
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Affiliation(s)
- Yu Zhang
- State Key Laboratory of Digital Medical Engineering, School of Biological Science and Medical Engineering, Southeast University, Nanjing 210096, China
| | - Lu Wang
- State Key Laboratory of Digital Medical Engineering, School of Biological Science and Medical Engineering, Southeast University, Nanjing 210096, China
| | - Ning Ma
- State Key Laboratory of Digital Medical Engineering, School of Biological Science and Medical Engineering, Southeast University, Nanjing 210096, China
| | - Yizhen Wan
- State Key Laboratory of Digital Medical Engineering, School of Biological Science and Medical Engineering, Southeast University, Nanjing 210096, China
| | - Xueyi Zhu
- State Key Laboratory of Digital Medical Engineering, School of Biological Science and Medical Engineering, Southeast University, Nanjing 210096, China
| | - Weiping Qian
- State Key Laboratory of Digital Medical Engineering, School of Biological Science and Medical Engineering, Southeast University, Nanjing 210096, China
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9
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Wan YZ, Qian W. From Self-Assembly of Colloidal Crystals toward Ordered Porous Layer Interferometry. Biosensors (Basel) 2023; 13:730. [PMID: 37504128 PMCID: PMC10377590 DOI: 10.3390/bios13070730] [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] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/19/2023] [Revised: 07/11/2023] [Accepted: 07/12/2023] [Indexed: 07/29/2023]
Abstract
Interferometry-based, reflectometric, label-free biosensors have made significant progress in the analysis of molecular interactions after years of development. The design of interference substrates is a key research topic for these biosensors, and many studies have focused on porous films prepared by top-down methods such as porous silicon and anodic aluminum oxide. Lately, more research has been conducted on ordered porous layer interferometry (OPLI), which uses ordered porous colloidal crystal films as interference substrates. These films are made using self-assembly techniques, which is the bottom-up approach. They also offer several advantages for biosensing applications, such as budget cost, adjustable porosity, and high structural consistency. This review will briefly explain the fundamental components of self-assembled materials and thoroughly discuss various self-assembly techniques in depth. We will also summarize the latest studies that used the OPLI technique for label-free biosensing applications and divide them into several aspects for further discussion. Then, we will comprehensively evaluate the strengths and weaknesses of self-assembly techniques and discuss possible future research directions. Finally, we will outlook the upcoming challenges and opportunities for label-free biosensing using the OPLI technique.
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Affiliation(s)
- Yi-Zhen Wan
- State Key Laboratory of Digital Medical Engineering, School of Biological Science and Medical Engineering, Southeast University, Nanjing 210096, China
| | - Weiping Qian
- State Key Laboratory of Digital Medical Engineering, School of Biological Science and Medical Engineering, Southeast University, Nanjing 210096, China
- OPLI (Suzhou) Biotechnology Co., Ltd., New District, Suzhou 215163, China
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10
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Hu L, Zhang S, Quan S, Lv J, Qian W, Huang Y, Lu W, Sun Y. Correction for: Efficacy and safety of recombinant human follicle-stimulating hormone in patients undergoing in vitro fertilization-embryo transfer. Aging (Albany NY) 2023; 15:5951-5953. [PMID: 37384564 PMCID: PMC10333087 DOI: 10.18632/aging.204490] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2023] [Accepted: 06/20/2023] [Indexed: 07/01/2023]
Affiliation(s)
- Linli Hu
- The First Affiliated Hospital of Zhengzhou University, Reproductive Medicine, Zhengzhou, China
| | - Songying Zhang
- Sir Run Run Shaw Hospital of Zhejiang University, Reproductive Medicine, Hangzhou, China
| | - Song Quan
- Southern Medical University, Reproductive Medicine, Guangzhou, China
| | - Jieqiang Lv
- Second Affiliated Hospital of Wenzhou Medical University, Reproductive Medicine, Wenzhou, China
| | - Weiping Qian
- Peking University Shenzhen Hospital, Reproductive Medicine, Shenzhen, China
| | - Yuanhua Huang
- Hainan Medical College, Reproductive Medicine, Haikou, China
| | - Weiying Lu
- Hainan Medical College, Reproductive Medicine, Haikou, China
| | - Yingpu Sun
- The First Affiliated Hospital of Zhengzhou University, Reproductive Medicine, Zhengzhou, China
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Wang L, Zhou L, Ma N, Wan Y, Zhang Y, Xu B, Qian W. Real-time monitoring of papain digestion of antibodies immobilized with various strategies by optical interferometry. Int J Biol Macromol 2023; 235:123872. [PMID: 36871683 DOI: 10.1016/j.ijbiomac.2023.123872] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2022] [Revised: 01/26/2023] [Accepted: 02/25/2023] [Indexed: 03/07/2023]
Abstract
Antigen binding fragments (Fabs) employed in research are typically generated by the papain digestion of monoclonal antibodies. However, the interaction between papain and antibodies at the interface remains unclear. Herein, we developed ordered porous layer interferometry for the label-free monitoring of the interaction between the antibody and papain at liquid-solid interfaces. Human immunoglobulin G (hIgG) was used as the model antibody, and different strategies were employed to immobilize it on the surface of silica colloidal crystal (SCC) films which are optical interferometric substrates. It was observed that different immobilization strategies induced different changes in the optical thickness (OT) of SCCs. The order of rate of the changes of OT from largest to smallest was IgG immobilized by protein A orientation, glutaraldehyde coupling, and physical adsorption. This phenomenon can be explained by the varied orientations of the antibodies created at the interface by the different modification procedures. The Fab-up orientation maximized the exposure of the hinge region sulfhydryl group and easily underwent conformational transitions because hIgG was immobilized by protein A. This process stimulates papain to produce the highest degree of activity, resulting in the greatest decrease in OT. This study provides insights into the catalysis of papain on antibodies.
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Affiliation(s)
- Lu Wang
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing 210096, China
| | - Lele Zhou
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing 210096, China
| | - Ning Ma
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing 210096, China
| | - Yizhen Wan
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing 210096, China
| | - Yu Zhang
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing 210096, China
| | - Bin Xu
- Center of Clinical Laboratory Science, The Affiliated Cancer Hospital of Nanjing Medical University & Jiangsu Cancer Hospital & Jiangsu Institute of Cancer Research, Nanjing 210009, China.
| | - Weiping Qian
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing 210096, China; OPLI (Suzhou) Biotechnology Co., Ltd, New District, Suzhou 215163, China.
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12
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Zhu X, Ma N, Wan Y, Wang L, Zhang Y, Yan C, Qian W. Evaluation of covalent coupling strategies for immobilizing ligands on silica colloidal crystal films by optical interferometry. Analyst 2023; 148:1024-1031. [PMID: 36723219 DOI: 10.1039/d2an02079c] [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: 01/20/2023]
Abstract
Immobilizing ligands is a crucial part of preparing optical sensors and directly connected to the sensitivity, stability, and other characteristics of sensors. In this work, an ordered porous layer interferometry (OPLI) system that can monitor the covalent coupling process of ligands in real time was developed. Films of silica colloidal crystal (SCC), as optical interference substrates, were surface modified by three different reagents: chloroacetic acid, glutaric anhydride, and carboxymethyl dextran. Staphylococcus aureus protein A (SPA), the ligand, was immobilized on SCC films. The covalent coupling process of SPA and SCC films can be dynamically monitored by the OPLI system. In addition, the three different strategies were evaluated by comparing the efficiency of the sensors prepared by different methods for binding Immunoglobulin G (IgG). The glutaric anhydride-modified sensor offers apparent advantages in terms of bound IgG quantity and affinity. This system provides a simple and intuitive way to determine the efficiency of different covalent coupling strategies. Furthermore, the sensor covalently coupled with SPA also excels in the determination of IgG content in complex systems such as milk. At the same time, the covalent coupling gives the sensor the ability to be stored stably over time.
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Affiliation(s)
- Xueyi Zhu
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing, 210096, China.
| | - Ning Ma
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing, 210096, China.
| | - Yizhen Wan
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing, 210096, China.
| | - Lu Wang
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing, 210096, China.
| | - Yu Zhang
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing, 210096, China.
| | - Chengyu Yan
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing, 210096, China.
| | - Weiping Qian
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing, 210096, China.
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13
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Hao Y, Yang R, Li J, Zhou Z, Qian W, Zhang J, Wu Z, Jin L, Wu X, Zhang C, Zheng B, Tan J, Hao G, Li S, Li Q, Zheng D, Wang Y, Li R, Liu P, Qiao J. Age-specific random day serum antimüllerian hormone reference values for women of reproductive age in the general population: a large Chinese nationwide population-based survey. Am J Obstet Gynecol 2022; 227:883.e1-883.e18. [PMID: 35934115 DOI: 10.1016/j.ajog.2022.07.029] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2022] [Revised: 07/10/2022] [Accepted: 07/13/2022] [Indexed: 01/27/2023]
Abstract
BACKGROUND Antimüllerian hormone, the most reliable biomarker of ovarian reserve, is widely used in various clinical situations. Antimüllerian hormone levels consistently decrease with age. However, there is no standard, age-specific reference values for antimüllerian hormone in women of reproductive age, which limits its application. OBJECTIVE This study aimed to establish age-specific antimüllerian hormone percentile reference values for women of reproductive age. STUDY DESIGN A nationwide, population-based cross-sectional survey was conducted between May 2019 and April 2021 in 15 provinces and municipalities in mainland China. A total of 10,053 eligible women aged 20 to 49 years were selected using a multistage stratified sampling procedure. Women who were pregnant, had undergone ovarian surgery, took hormone drugs in the past 3 months, or had an antimüllerian hormone outlier value were excluded from establishing antimüllerian hormone percentile reference values. Serum antimüllerian hormone concentrations were measured using ultrasensitive, 2-site enzyme-linked immunosorbent assays (Ansh Lab, Webster, TX) in the Reproductive Endocrinology Laboratory of Peking University Third Hospital. Generalized additive models for location scale and shape with the Box-Cox t original distribution were used to estimate the fitted antimüllerian hormone percentile reference values. RESULTS A total of 9112 eligible women aged 21 to 49 years were included in the fitting model. The fitted 50th (2.5th-97.5th) percentiles of antimüllerian hormone values for women aged 21, 25, 30, 35, 40, 45, and 49 years were 4.83 (0.79-18.41), 4.47 (0.72-16.58), 3.67 (0.50-13.82), 2.59 (0.24-10.35), 1.35 (0.05-6.68), 0.33 (<0.01 to 3.40), and 0.04 (<0.01 to 1.77) ng/mL, respectively. The population-based decline rate of antimüllerian hormone accelerated with increasing age, especially age >35 years. The magnitude of the decline of the 25th antimüllerian hormone percentile curve was greater than that of the 75th percentile curve. CONCLUSION This study established age-specific antimüllerian hormone percentile reference values for women of reproductive age based on a large representative sample of the general population and described antimüllerian hormone changes. These findings may facilitate antimüllerian hormone application in clinical practices.
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Affiliation(s)
- Yongxiu Hao
- Center for Reproductive Medicine, Department of Obstetrics and Gynecology, Peking University Third Hospital, Beijing, China; National Clinical Research Center for Obstetrics and Gynecology (Peking University Third Hospital), Beijing, China; Key Laboratory of Assisted Reproduction (Peking University), Ministry of Education, Beijing, China; Beijing Key Laboratory of Reproductive Endocrinology and Assisted Reproductive Technology, Beijing, China
| | - Rui Yang
- Center for Reproductive Medicine, Department of Obstetrics and Gynecology, Peking University Third Hospital, Beijing, China; National Clinical Research Center for Obstetrics and Gynecology (Peking University Third Hospital), Beijing, China; Key Laboratory of Assisted Reproduction (Peking University), Ministry of Education, Beijing, China; Beijing Key Laboratory of Reproductive Endocrinology and Assisted Reproductive Technology, Beijing, China
| | - Jia Li
- Center for Reproductive Medicine, Department of Obstetrics and Gynecology, Peking University Third Hospital, Beijing, China; National Clinical Research Center for Obstetrics and Gynecology (Peking University Third Hospital), Beijing, China; Key Laboratory of Assisted Reproduction (Peking University), Ministry of Education, Beijing, China; Beijing Key Laboratory of Reproductive Endocrinology and Assisted Reproductive Technology, Beijing, China
| | - Zehong Zhou
- Guangzhou Institute of Pediatrics, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, China; Department of Obstetrics and Gynecology, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, China
| | - Weiping Qian
- Department of Reproductive Medicine, Peking University Shenzhen Hospital, Shenzhen, Guangdong, China
| | - Jian Zhang
- Department of Pathophysiology, Key Laboratory of Cell Differentiation and Apoptosis of Chinese Ministry of Education, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Ze Wu
- Department of Reproductive Medicine, The First People's Hospital of Yunnan Province, Kunming, China
| | - Lei Jin
- Reproductive Medicine Center, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Xueqing Wu
- Reproductive Medicine Center, Children's Hospital of Shanxi and Women Health Center of Shanxi, Affiliate Hospital of Shanxi Medical University, Taiyuan, Shanxi, China
| | - Cuilian Zhang
- Reproductive Medical Center, Henan Provincial People's Hospital, Zhengzhou, Henan Province, China
| | - Beihong Zheng
- Reproductive Medicine Center, Fujian Provincial Maternity and Children's Hospital, Affiliated Hospital of Fujian Medical University, Fuzhou, Fujian, China
| | - Jichun Tan
- Department of Obstetrics and Gynecology, Center of Reproductive Medicine, Shengjing Hospital of China Medical University, Shenyang, Liaoning, China
| | - Guimin Hao
- Department of Reproductive Medicine, The Second Hospital of Hebei Medical University, Shijiazhuang, Hebei, China
| | - Shangwei Li
- Division of Reproductive Medical Center, West China Second University Hospital of Sichuan University, Chengdu, Sichuan, China
| | - Qin Li
- Center for Reproductive Medicine, Department of Obstetrics and Gynecology, Peking University Third Hospital, Beijing, China; National Clinical Research Center for Obstetrics and Gynecology (Peking University Third Hospital), Beijing, China; Key Laboratory of Assisted Reproduction (Peking University), Ministry of Education, Beijing, China; Beijing Key Laboratory of Reproductive Endocrinology and Assisted Reproductive Technology, Beijing, China
| | - Danni Zheng
- Center for Reproductive Medicine, Department of Obstetrics and Gynecology, Peking University Third Hospital, Beijing, China; National Clinical Research Center for Obstetrics and Gynecology (Peking University Third Hospital), Beijing, China; Key Laboratory of Assisted Reproduction (Peking University), Ministry of Education, Beijing, China; Beijing Key Laboratory of Reproductive Endocrinology and Assisted Reproductive Technology, Beijing, China
| | - Yuanyuan Wang
- Center for Reproductive Medicine, Department of Obstetrics and Gynecology, Peking University Third Hospital, Beijing, China; National Clinical Research Center for Obstetrics and Gynecology (Peking University Third Hospital), Beijing, China; Key Laboratory of Assisted Reproduction (Peking University), Ministry of Education, Beijing, China; Beijing Key Laboratory of Reproductive Endocrinology and Assisted Reproductive Technology, Beijing, China
| | - Rong Li
- Center for Reproductive Medicine, Department of Obstetrics and Gynecology, Peking University Third Hospital, Beijing, China; National Clinical Research Center for Obstetrics and Gynecology (Peking University Third Hospital), Beijing, China; Key Laboratory of Assisted Reproduction (Peking University), Ministry of Education, Beijing, China; Beijing Key Laboratory of Reproductive Endocrinology and Assisted Reproductive Technology, Beijing, China.
| | - Ping Liu
- Center for Reproductive Medicine, Department of Obstetrics and Gynecology, Peking University Third Hospital, Beijing, China; National Clinical Research Center for Obstetrics and Gynecology (Peking University Third Hospital), Beijing, China; Key Laboratory of Assisted Reproduction (Peking University), Ministry of Education, Beijing, China; Beijing Key Laboratory of Reproductive Endocrinology and Assisted Reproductive Technology, Beijing, China.
| | - Jie Qiao
- Center for Reproductive Medicine, Department of Obstetrics and Gynecology, Peking University Third Hospital, Beijing, China; National Clinical Research Center for Obstetrics and Gynecology (Peking University Third Hospital), Beijing, China; Key Laboratory of Assisted Reproduction (Peking University), Ministry of Education, Beijing, China; Beijing Key Laboratory of Reproductive Endocrinology and Assisted Reproductive Technology, Beijing, China.
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14
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Wang L, Wan Y, Ma N, Zhou L, Zhao D, Yu J, Wang H, Lin Z, Qian W. Real-time kinetics and affinity analysis of the interaction between protein A and immunoglobulins G derived from different species on silica colloidal crystal films. Colloids Surf B Biointerfaces 2022; 219:112839. [PMID: 36137338 DOI: 10.1016/j.colsurfb.2022.112839] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2022] [Revised: 08/24/2022] [Accepted: 09/10/2022] [Indexed: 10/31/2022]
Abstract
Kinetic and affinity analysis of protein interactions reveals information on their related activities in biological processes. Herein, we established a system for evaluating the kinetics and affinity of the interaction between protein A and various IgG species on the surface of silica spheres of silica colloidal crystal (SCC) films by the extraordinary optical interference capabilities of 190 nm silica spheres after self-assembly. The equilibrium association constant (KA) was calculated by the equilibrium Langmuir model and nonlinear least-squares analysis of time-dependent data. The relative protein A/IgG binding affinity is human > rabbit >cow >goat. In addition, the competitive interaction of distinct species of IgG with protein A at the interface of SCC films was studied and performed. These findings may help with the use of protein A and other recognition components in a number of sensor types. Furthermore, this research might offer a novel approach to determining the kinetics and affinity of proteins on the surface of spheres particles, which may contribute to the development of the application of spheres particles in pharmaceutical science, biomedical engineering, and other techniques.
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Affiliation(s)
- Lu Wang
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing 210096, China
| | - Yizhen Wan
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing 210096, China
| | - Ning Ma
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing 210096, China
| | - Lele Zhou
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing 210096, China
| | - Dongmin Zhao
- Jiangsu Academy of Agricultural Sciences, Nanjing 210014, China
| | - Jianning Yu
- Jiangsu Academy of Agricultural Sciences, Nanjing 210014, China
| | - Huili Wang
- Jiangsu Academy of Agricultural Sciences, Nanjing 210014, China
| | - Zhiping Lin
- Nanjing Weigang Dairy Co., Ltd., Nanjing 211102, China
| | - Weiping Qian
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing 210096, China.
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15
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Yan C, Wang L, Ma N, Wan Y, Zhou L, Zhu X, Qian W. Monitoring of silica colloidal crystal-embedded chitosan hydrogel films swelling and its drug release application. Anal Chim Acta 2022; 1236:340582. [DOI: 10.1016/j.aca.2022.340582] [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] [Received: 08/17/2022] [Revised: 10/17/2022] [Accepted: 10/31/2022] [Indexed: 11/06/2022]
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16
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Zhou L, Wang L, Ma N, Wan Y, Zhang Y, Liu H, Qian W. Real-Time Monitoring of Curcumin Release with a Lipid–Curcumin-Loaded Silica Colloidal Crystal Film Using Optical Interferometry. Anal Chem 2022; 94:15809-15817. [DOI: 10.1021/acs.analchem.2c03582] [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: 11/29/2022]
Affiliation(s)
- Lele Zhou
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing210096, China
| | - Lu Wang
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing210096, China
| | - Ning Ma
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing210096, China
| | - Yizhen Wan
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing210096, China
| | - Yu Zhang
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing210096, China
| | - Hao Liu
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing210096, China
| | - Weiping Qian
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing210096, China
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17
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Yang R, Zhang Y, Liang X, Song X, Wei Z, Liu J, Yang Y, Tan J, Zhang Q, Sun Y, Wang W, Qian W, Jin L, Wang S, Xu Y, Yang J, Goethberg M, Mannaerts B, Wu W, Zheng Z, Qiao J. Comparative clinical outcome following individualized follitropin delta dosing in Chinese women undergoing ovarian stimulation for in vitro fertilization /intracytoplasmic sperm injection. Reprod Biol Endocrinol 2022; 20:147. [PMID: 36195924 PMCID: PMC9531501 DOI: 10.1186/s12958-022-01016-y] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/13/2022] [Accepted: 09/10/2022] [Indexed: 11/14/2022] Open
Abstract
BACKGROUND To compare the efficacy and safety of follitropin delta in its individualized fixed-dose regimen with follitropin alfa in a conventional adjustable dosing regimen in Chinese women. METHODS: This was a subgroup analysis of the randomized, multi-center, assessor-blind, non-inferiority trial (GRAPE) including 759 Chinese women (aged 20-40 years) recruited in 16 reproductive medicine clinics in China. Women were randomized in a 1:1 ratio to be treated with either follitropin delta dose based on anti-Müllerian hormone (AMH) and body weight or conventional dosing with follitropin alfa following a gonadotropin-releasing hormone (GnRH) antagonist protocol. The primary outcome was ongoing pregnancy rate assessed 10-11 weeks after embryo transfer in the fresh cycle (non-inferiority margin -10.0%). RESULTS 378 in the follitropin delta group and 381 in the follitropin alfa group were randomized and exposed. Non-inferiority was confirmed with respect to ongoing pregnancy with rates of 31.0% vs. 25.7% for follitropin delta compared to follitropin alfa, estimated mean difference of 5.1% (95% confidence interval (CI) -1.3% to 11.5%). The clinical pregnancy rate (35.4% vs. 31.5%, P = 0.239) and live birth rate (31.0% vs. 25.5%, P = 0.101) were comparable between the follitropin delta group and the follitropin alfa group. Overall, the individualized follitropin delta treatment resulted in fewer oocytes retrieved compared to follitropin alfa treatment (10.3 ± 6.2 vs. 12.5 ± 7.5, P < 0.001), which was mainly due to fewer oocytes (10.5 ± 6.4 vs. 13.9 ± 7.8) in women with AMH ≥ 15 pmol/L. Accordingly there was a lower incidence of early ovarian hyper-stimulation syndrome (OHSS) and/or preventive interventions (6.1% vs. 11.0%, P = 0.013). A daily follitropin delta dose of 10.2 µg (95% CI: 9.3-11.2 µg) was estimated to provide the same number of oocytes retrieved as a starting dose of 150 IU/d of follitropin alfa. CONCLUSION Follitropin delta in its individualized fixed-dose regimen showed similar efficacy and improved safety compared with follitropin alfa in a conventional adjustable dosing regimen in Chinese women. CLINICAL TRIAL REGISTRATION NUMBER NCT03296527.
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Affiliation(s)
- Rui Yang
- grid.411642.40000 0004 0605 3760Center for Reproductive Medicine, Department of Obstetrics and Gynecology, Peking University Third Hospital, Beijing, China
| | - Yunshan Zhang
- Tianjin Central Hospital of Gynaecology and Obstetrics, Tianjin, China
| | - Xiaoyan Liang
- grid.488525.6The Sixth Affiliated Hospital of Sun Yat-Sen University, Guangzhou, China
| | - Xueru Song
- grid.412645.00000 0004 1757 9434Tianjin Medical University General Hospital, Tianjin, China
| | - Zhaolian Wei
- grid.412679.f0000 0004 1771 3402The First Affiliated Hospital of An’hui Medical University, Hefei, China
| | - Jianqiao Liu
- grid.417009.b0000 0004 1758 4591The Third Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Yezhou Yang
- grid.461863.e0000 0004 1757 9397West China Second University Hospital, Sichuan University, Chengdu, Sichuan China
| | - Jichun Tan
- grid.412467.20000 0004 1806 3501ShengJing Hospital of China Medical University, Shenyang, China
| | - Qingxue Zhang
- grid.12981.330000 0001 2360 039XSunYat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, China
| | - Yingpu Sun
- grid.412633.10000 0004 1799 0733The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Wei Wang
- grid.412676.00000 0004 1799 0784Jiangsu Province Hospital, The First Affiliated Hospital With Nanjing Medical University, Nanjing, China
| | - Weiping Qian
- grid.440601.70000 0004 1798 0578Peking University Shenzhen Hospital, Shenzhen, China
| | - Lei Jin
- grid.33199.310000 0004 0368 7223Tongji Hospital, Tongji Medical College of HUST, Tongji Medical College, Wuhan, China
| | - Shuyu Wang
- grid.459697.0Beijing Obstetrics and Gynecology Hospital, Capital Medical University, Beijing, China
| | - Yang Xu
- grid.411472.50000 0004 1764 1621Peking University First Hospital, Beijing, China
| | - Jing Yang
- grid.412632.00000 0004 1758 2270Renmin Hospital of Wuhan University, Hubei General Hospital, Wuhan, China
| | - Marie Goethberg
- grid.417856.90000 0004 0417 1659Global Biometrics, Ferring Pharmaceuticals, Copenhagen, Denmark
| | - Bernadette Mannaerts
- grid.417856.90000 0004 0417 1659Reproductive Medicine and Maternal Health, Ferring Pharmaceuticals, Copenhagen, Denmark
| | - Wen Wu
- Ferring Pharmaceuticals, Shanghai, China
| | | | - Jie Qiao
- grid.411642.40000 0004 0605 3760Center for Reproductive Medicine, Department of Obstetrics and Gynecology, Peking University Third Hospital, Beijing, China
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18
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Yang R, Li Q, Zhou Z, Qian W, Zhang J, Wu Z, Jin L, Wu X, Zhang C, Zheng B, Tan J, Hao G, Li S, Tian T, Hao Y, Zheng D, Wang Y, Norman RJ, Li R, Liu P, Qiao J. Changes in the prevalence of polycystic ovary syndrome in China over the past decade. Lancet Reg Health West Pac 2022; 25:100494. [PMID: 35669932 PMCID: PMC9162959 DOI: 10.1016/j.lanwpc.2022.100494] [Citation(s) in RCA: 20] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/09/2023]
Abstract
BACKGROUND Polycystic ovary syndrome (PCOS) has become a major international public health concern. However, because of controversy about the diagnostic criteria and patient selection, estimates of its absolute prevalence and change with time vary greatly. METHODS We conducted two consecutive nationwide epidemiological surveys of the prevalence of PCOS in representative samples of reproductive-aged women in China in 2010 and 2020. Face-to-face interviews were performed by trained interviewers in each survey. All participants completed a questionnaire and underwent a physical examination, blood sampling, and transvaginal pelvic ultrasound. We assessed hyperandrogenism (H), chronic anovulation (O), and polycystic ovaries (P) to classify the presence of PCOS using the Rotterdam criteria. The prevalence of PCOS among reproductive-aged women was estimated after consideration of differential probabilities of selection and population distribution. We conducted a logistic regression analysis by using the probability of PCOS as a function of the survey year to acquire the trend information across the years. FINDINGS 28,739 respondents completed the survey, including 15,924 in the previously published 2010 survey and 12,815 in the new 2020 survey. In 2020, 826 participants could be diagnosed as having PCOS, with a weighted prevalence of 7.8% (95%CI: 7.0%, 9.0%) among women aged 20-49 years, leading to an estimate of 24.0 million women of reproductive age affected by this condition in China as a whole. The estimated prevalence in 2020 was higher than that of a decade ago despite identical research methods suggesting a two-thirds increase over the study period. Women with PCOS in 2020 also appeared to have a more severe phenotype overall than those of a decade ago, possibly reflecting a significantly higher prevalence of obesity, hyperandrogenism, and infertility. INTERPRETATION The prevalence of PCOS in Chinese women has increased significantly over the past 10 years. PCOS is a significant public health problem in women of reproductive age in China and national policy and guidelines should be re-examined in the light of the current data. FUNDING National Key R&D Program of China and the National Natural Science Foundation of China.
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Affiliation(s)
- Rui Yang
- Center for Reproductive Medicine, Department of Obstetrics and Gynecology, Peking University Third Hospital, Beijing 100191, China
- National Clinical Research Center for Obstetrics and Gynecology, Beijing 100191, China
- Key Laboratory of Assisted Reproduction (Peking University), Ministry of Education, Beijing 100191, China
- Beijing Key Laboratory of Reproductive Endocrinology and Assisted Reproductive Technology, Beijing 100191, China
| | - Qin Li
- Center for Reproductive Medicine, Department of Obstetrics and Gynecology, Peking University Third Hospital, Beijing 100191, China
- National Clinical Research Center for Obstetrics and Gynecology, Beijing 100191, China
- Key Laboratory of Assisted Reproduction (Peking University), Ministry of Education, Beijing 100191, China
- Beijing Key Laboratory of Reproductive Endocrinology and Assisted Reproductive Technology, Beijing 100191, China
| | - Zehong Zhou
- Guangzhou Institute of Pediatrics, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou 510623, China
- Department of Obstetrics and Gynecology, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou 510623, China
| | - Weiping Qian
- Department of Reproductive Medicine, Peking University Shenzhen Hospital, Shenzhen 518036, China
| | - Jian Zhang
- Department of Pathophysiology, Key Laboratory of Cell Differentiation and Apoptosis of Chinese Ministry of Education, Shanghai Jiao Tong University, School of Medicine, Shanghai 200240, China
| | - Ze Wu
- Department of Reproductive Medicine, The First People's Hospital of Yunnan Province, Kunming 650021, China
| | - Lei Jin
- Reproductive Medicine Center, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Xueqing Wu
- Reproductive Medicine Center, Children's Hospital of Shanxi and Women Health Center of Shanxi, Affiliated Hospital of Shanxi Medical University, Taiyuan 030000, China
| | - Cuilian Zhang
- Reproductive Medical Center, Henan Provincial People's Hospital, Zhengzhou 450003, China
| | - Beihong Zheng
- Reproductive Medicine Center, Fujian Maternity and Child Health Hospital, College of Clinical Medicine for Obstetrics & Gynecology and Pediatrics, Fujian Medical University, Fuzhou 350001, China
| | - Jichun Tan
- Center of Reproductive Medicine, Department of Obstetrics and Gynecology, Shengjing Hospital of China Medical University, Shenyang 110022, China
| | - Guimin Hao
- Department of Reproductive Medicine, The Second Hospital of Hebei Medical University, Shijiazhuang 050000, China
| | - Shangwei Li
- Division of Reproductive Medical Center, West China Second University Hospital of Sichuan University, Chengdu 610041, China
| | - Tian Tian
- Center for Reproductive Medicine, Department of Obstetrics and Gynecology, Peking University Third Hospital, Beijing 100191, China
- National Clinical Research Center for Obstetrics and Gynecology, Beijing 100191, China
- Key Laboratory of Assisted Reproduction (Peking University), Ministry of Education, Beijing 100191, China
- Beijing Key Laboratory of Reproductive Endocrinology and Assisted Reproductive Technology, Beijing 100191, China
| | - Yongxiu Hao
- Center for Reproductive Medicine, Department of Obstetrics and Gynecology, Peking University Third Hospital, Beijing 100191, China
- National Clinical Research Center for Obstetrics and Gynecology, Beijing 100191, China
- Key Laboratory of Assisted Reproduction (Peking University), Ministry of Education, Beijing 100191, China
- Beijing Key Laboratory of Reproductive Endocrinology and Assisted Reproductive Technology, Beijing 100191, China
| | - Danni Zheng
- Center for Reproductive Medicine, Department of Obstetrics and Gynecology, Peking University Third Hospital, Beijing 100191, China
- National Clinical Research Center for Obstetrics and Gynecology, Beijing 100191, China
- Key Laboratory of Assisted Reproduction (Peking University), Ministry of Education, Beijing 100191, China
- Beijing Key Laboratory of Reproductive Endocrinology and Assisted Reproductive Technology, Beijing 100191, China
| | - Yuanyuan Wang
- Center for Reproductive Medicine, Department of Obstetrics and Gynecology, Peking University Third Hospital, Beijing 100191, China
- National Clinical Research Center for Obstetrics and Gynecology, Beijing 100191, China
- Key Laboratory of Assisted Reproduction (Peking University), Ministry of Education, Beijing 100191, China
- Beijing Key Laboratory of Reproductive Endocrinology and Assisted Reproductive Technology, Beijing 100191, China
| | - Robert J. Norman
- Discipline of Obstetrics/Gynecology, Robinson Research Institute, The University of Adelaide, Adelaide, SA 5005, Australia
| | - Rong Li
- Center for Reproductive Medicine, Department of Obstetrics and Gynecology, Peking University Third Hospital, Beijing 100191, China
- National Clinical Research Center for Obstetrics and Gynecology, Beijing 100191, China
- Key Laboratory of Assisted Reproduction (Peking University), Ministry of Education, Beijing 100191, China
- Beijing Key Laboratory of Reproductive Endocrinology and Assisted Reproductive Technology, Beijing 100191, China
- Correspondences to: Jie Qiao, Rong Li, or Ping Liu.
| | - Ping Liu
- Center for Reproductive Medicine, Department of Obstetrics and Gynecology, Peking University Third Hospital, Beijing 100191, China
- National Clinical Research Center for Obstetrics and Gynecology, Beijing 100191, China
- Key Laboratory of Assisted Reproduction (Peking University), Ministry of Education, Beijing 100191, China
- Beijing Key Laboratory of Reproductive Endocrinology and Assisted Reproductive Technology, Beijing 100191, China
- Correspondences to: Jie Qiao, Rong Li, or Ping Liu.
| | - Jie Qiao
- Center for Reproductive Medicine, Department of Obstetrics and Gynecology, Peking University Third Hospital, Beijing 100191, China
- National Clinical Research Center for Obstetrics and Gynecology, Beijing 100191, China
- Key Laboratory of Assisted Reproduction (Peking University), Ministry of Education, Beijing 100191, China
- Beijing Key Laboratory of Reproductive Endocrinology and Assisted Reproductive Technology, Beijing 100191, China
- Correspondences to: Jie Qiao, Rong Li, or Ping Liu.
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Huang J, Rong L, Zeng L, Hu L, Shi J, Cai L, Yao B, Wang XX, Xu Y, Yao Y, Wang Y, Zhao J, Guan Y, Qian W, Hao G, Lu S, Liu P, Qiao J. Embryo selection through non-invasive preimplantation genetic testing with cell-free DNA in spent culture media: a protocol for a multicentre, double-blind, randomised controlled trial. BMJ Open 2022; 12:e057254. [PMID: 35896299 PMCID: PMC9335017 DOI: 10.1136/bmjopen-2021-057254] [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] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/28/2022] Open
Abstract
INTRODUCTION Morphological evaluation is used to select embryos for in vitro fertilisation. However, it does not fully reflect the implantation potential. Preimplantation genetic testing for aneuploidies (PGT-A) can detect embryonic aneuploidy, but biopsy procedure is invasive. Currently, a non-invasive PGT (ni-PGT) approach using spent medium is being evaluated. However, the clinical benefit of ni-PGT has not been clearly demonstrated. A multicentre randomised trial is needed to verify whether ni-PGT can be an new effective tool for evaluating embryos. METHODS AND ANALYSIS Overall, 1148 couples aged 35~42 (women) receiving in vitro fertilization-intracytoplasmic sperm injection are planned to be enrolled. Couples will be digitally randomised to (1) ni-PGT and (2) conventional morphology groups at a 1:1 treatment ratio. The primary outcome will be the ongoing pregnancy rate related to the first transfer cycle within 6 months after oocyte retrieval. ETHICS AND DISSEMINATION The study protocol is approved by the Ethics Committee of Peking University Third Hospital and the participating hospitals. The results will be disseminated through international conferences and scientific journals. TRIAL REGISTRATION NUMBER NCT04339166.
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Affiliation(s)
- Jin Huang
- Centre for Reproductive Medicine, Department of Obstetrics and Gynecology, Peking University Third Hospital, Beijing, China
- National Clinical Research Center for Obstetrics and Gynecology, Peking University Third Hospital, Beijing, China
- Key Laboratory of Assisted Reproduction (Peking University), Ministry of Education, Beijing, China
- Beijing Key Laboratory of Reproductive Endocrinology and Assisted Reproductive Technology, Beijing, China
| | - Li Rong
- Centre for Reproductive Medicine, Department of Obstetrics and Gynecology, Peking University Third Hospital, Beijing, China
- National Clinical Research Center for Obstetrics and Gynecology, Peking University Third Hospital, Beijing, China
- Key Laboratory of Assisted Reproduction (Peking University), Ministry of Education, Beijing, China
- Beijing Key Laboratory of Reproductive Endocrinology and Assisted Reproductive Technology, Beijing, China
| | - Lin Zeng
- Research Centre of Clinical Epidemiology, Peking University Third Hospital, Beijing, China
| | - Liang Hu
- Institute of Reproductive and Stem Cell Engineering, NHC Key Laboratory of Human Stem Cell and Reproductive Engineering, School of Basic Medical Science, Central South University, Changsha, China
- Clinical Research Centre for Reproduction and Genetics in Hunan Province, Reproductive and Genetic Hospital of CITIC-XIANGYA, Changsha, China
- Hunan International Scientific and Technological Cooperation base of Development and Carcinogenesis, Changsha, China
| | - Juanzi Shi
- Northwest Women's and Children's Hospital, Xi'an, China
| | - Liyi Cai
- Reproductive Medical Center of Hebei Maternity Hospital, Shijiazhuang, China
| | - Bing Yao
- Affiliated Jinling Hospital, Nanjing, China
| | - Xiu-Xia Wang
- Shengjing Hospital of China Medical University, Shenyang, China
| | - Yanwen Xu
- Centre for Reproductive Medicine, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong, China
- Guangdong Provincial Key Laboratory of Reproductive Medicine, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong, China
| | - Yuanqing Yao
- Department of Obstetrics and Gynecology, Chinese People's Liberation Army General Hospital, Beijing, China
| | - Yan Wang
- Department of Obstetrics and Gynecology, Sichuan University West China Second University Hospital, Chengdu, Sichuan, China
- Key Laboratory of Birth Defects and Related Diseases of Women and Children, Sichuan University, Chengdu, Sichuan, China
| | - Junzhao Zhao
- Department of Obstetrics and Gynecology, Wenzhou Medical College Second Affiliated Hospital, Wenzhou, China
| | - Yichun Guan
- Reproductive Medicine Center, The Third Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Weiping Qian
- The Center of Reproductive Medicine, Peking University Shenzhen Hospital, Shenzhen, Guangdong, China
| | - Guimin Hao
- Second Hospital of Hebei Medical University, Shijiazhuang, Hebei, China
| | - Sijia Lu
- Xukang Medical Technology (Suzhou) Co., Ltd, Suzhou, China
- Yikon Genomics Company, Ltd, Suzhou, China
| | - Ping Liu
- Centre for Reproductive Medicine, Department of Obstetrics and Gynecology, Peking University Third Hospital, Beijing, China
- National Clinical Research Center for Obstetrics and Gynecology, Peking University Third Hospital, Beijing, China
- Key Laboratory of Assisted Reproduction (Peking University), Ministry of Education, Beijing, China
- Beijing Key Laboratory of Reproductive Endocrinology and Assisted Reproductive Technology, Beijing, China
| | - Jie Qiao
- Centre for Reproductive Medicine, Department of Obstetrics and Gynecology, Peking University Third Hospital, Beijing, China
- National Clinical Research Center for Obstetrics and Gynecology, Peking University Third Hospital, Beijing, China
- Key Laboratory of Assisted Reproduction (Peking University), Ministry of Education, Beijing, China
- Beijing Key Laboratory of Reproductive Endocrinology and Assisted Reproductive Technology, Beijing, China
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Zhu L, Qian W, Chen M, Liu T, Staley CA, El-Rayes B, Jo H, Yang L. Abstract 4152: Development of an immune modulating and tumor inhibiting hyaluronic acid nanoparticle encapsulated with Avasimibe for the treatment of cancer patients with comorbid atherosclerosis. Cancer Res 2022. [DOI: 10.1158/1538-7445.am2022-4152] [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: 11/16/2022]
Abstract
Abstract
Cancer and cardiovascular diseases are the leading causes of death globally. Given the high percentage of cancer patients with co-existing atherosclerosis due to many shared risk factors, the development of novel cancer therapeutic agents with strong anti-tumor efficacy and therapeutic benefit on atherosclerosis can significantly improve the outcome of cancer therapy. Immune checkpoint inhibition (ICI) therapy using therapeutic antibodies has shown promises in the treatment of several types of human cancers. However, many cancer patients showed a poor response due to low delivery efficiency, lack of effector T cells, an immunosuppressive tumor microenvironment, and intrinsic resistance in solid tumors. Increasing numbers of patients developed immunotherapy related adverse effects (irAEs). It is well known that macrophages and effector T cells drive the progression of atherosclerosis. Recent clinical studies revealed that cancer patients received ICI therapy have 3-fold higher risk of atherosclerosis and 3-fold increases in plaque progression detected by PET imaging. To enhance therapeutic efficacy of tumor immunotherapy and decrease irAEs, we have developed a hyaluronic acid nanoparticle (HANP) conjugated with PD1 mimetic peptides that target and block PD-L1 function, and encapsulated with Avasimibe (PD1Y-HANP/Ava). Avasimibe is a multifunctional agent that decreases cholesterol accumulation, inhibits tumor growth, and enhances immune response by activating cytotoxic T cells. We found that systemic administrations of PD1Y-HANP/Ava led to targeted delivery into tumors and atherosclerotic plaques in a dual colon cancer and atherosclerosis mouse model, established by injecting mouse colon tumor cells into Apoe knockout mice on a high fat diet. PD1Y-HANP/Ava treatments resulted in 78% of tumor growth inhibition. Following surgical resection of residual tumors, 80% of PD1Y-HANP/Ava treated mice had disease-free survival of >120 days and were protected from tumor growth after tumor cell re-challenging. Histological analysis of the major arteries revealed that the volume of atherosclerotic plaques decreased 70% in the mice treated with PD1Y-HANP/Ava compared the no-treated mice. Our results showed that PD1Y-HANP/Ava treatment increased infiltration of CD8+ T effector and dendritic cells, and activated cytotoxic T cells in mouse colon tumors. Colon tumor specific antibodies were detected in the mouse serum following PD1Y-HANP/Ava treatment. However, the levels of CD8+ T cells, dendritic cells, and macrophages were decreased in the atherosclerotic plaques, which could prevent ICI-induced cardiovascular irAEs. Results of this study should provide us with preclinical evidence for translational development of targeted immunotherapy for colon cancer patients with comorbid atherosclerosis.
Citation Format: Lei Zhu, Weiping Qian, Minglong Chen, Tongrui Liu, Charles A. Staley, Bassel El-Rayes, Hanjoong Jo, Lily Yang. Development of an immune modulating and tumor inhibiting hyaluronic acid nanoparticle encapsulated with Avasimibe for the treatment of cancer patients with comorbid atherosclerosis [abstract]. In: Proceedings of the American Association for Cancer Research Annual Meeting 2022; 2022 Apr 8-13. Philadelphia (PA): AACR; Cancer Res 2022;82(12_Suppl):Abstract nr 4152.
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Affiliation(s)
- Lei Zhu
- 1Emory University, Atlanta, GA
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21
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Zhou L, Wang L, Ma N, Wan Y, Qian W. Real-time monitoring of interactions between dietary fibers and lipid layer and their impact on the lipolysis process. Food Hydrocoll 2022. [DOI: 10.1016/j.foodhyd.2021.107445] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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Ma N, Wan Y, Zhou L, Wang L, Qian W. Insights into the interaction between chitosan and pepsin by optical interferometry. Int J Biol Macromol 2022; 203:563-571. [PMID: 35120935 DOI: 10.1016/j.ijbiomac.2022.01.185] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2021] [Revised: 01/27/2022] [Accepted: 01/28/2022] [Indexed: 11/26/2022]
Abstract
Polysaccharides and proteins have attracted increasing interest in the fields of biomedicine and green chemical as biocomposites due to their inherent versatility. Here, we used silica colloidal crystal (SCC) films combined with an ordered porous layer interferometry (OPLI) method to investigate the interaction between chitosan and pepsin at different concentrations and pH values in real time. Zeta potential was combined with attenuated total reflection Fourier transform infrared spectroscopy (ATR-FTIR) and Fourier transform infrared microscopy (FTIR microscopy) to illustrate the interaction mechanism further. The results showed that the variation and slope of the optical thickness (OT) caused by the Fabry-Perot fringes represent the degree and process of interaction. The protonation of chitosan and the net charge carried by pepsin caused various degrees of electrostatic attraction under different pH values. Meanwhile, the rate and degree of hydrolysis were positively correlated with pepsin concentration. This work results provide a theoretical basis for designing novel composites based on the development of polysaccharides and proteins.
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Affiliation(s)
- Ning Ma
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing 210096, China
| | - Yizhen Wan
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing 210096, China
| | - Lele Zhou
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing 210096, China
| | - Lu Wang
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing 210096, China
| | - Weiping Qian
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing 210096, China.
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Qian W, Xia S, Yang X, Yu J, Guo B, Lin Z, Wei R, Mao M, Zhang Z, Zhao G, Bai J, Han Q, Wang Z, Luo Q. Complex Involvement of the Extracellular Matrix, Immune Effect, and Lipid Metabolism in the Development of Idiopathic Pulmonary Fibrosis. Front Mol Biosci 2022; 8:800747. [PMID: 35174208 PMCID: PMC8841329 DOI: 10.3389/fmolb.2021.800747] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [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: 10/24/2021] [Accepted: 12/06/2021] [Indexed: 01/02/2023] Open
Abstract
Background and objective: Idiopathic pulmonary fibrosis (IPF) is an aggressive fibrotic pulmonary disease with spatially and temporally heterogeneous alveolar lesions. There are no early diagnostic biomarkers, limiting our understanding of IPF pathogenesis. Methods: Lung tissue from surgical lung biopsy of patients with early-stage IPF (n = 7), transplant-stage IPF (n = 2), and healthy controls (n = 6) were subjected to mRNA sequencing and verified by real-time quantitative PCR (RT-qPCR), immunohistochemistry, Western blot, and single-cell RNA sequencing (scRNA-Seq). Results: Three hundred eighty differentially expressed transcripts (DETs) were identified in IPF that were principally involved in extracellular matrix (ECM) remodeling, lipid metabolism, and immune effect. Of these DETs, 21 (DMD, MMP7, POSTN, ECM2, MMP13, FASN, FADS1, SDR16C5, ACAT2, ACSL1, CYP1A1, UGT1A6, CXCL13, CXCL5, CXCL14, IL5RA, TNFRSF19, CSF3R, S100A9, S100A8, and S100A12) were selected and verified by RT-qPCR. Differences in DMD, FASN, and MMP7 were also confirmed at a protein level. Analysis of scRNA-Seq was used to trace their cellular origin to determine which lung cells regulated them. The principal cell sources of DMD were ciliated cells, alveolar type I/II epithelial cells (AT cells), club cells, and alveolar macrophages (AMs); MMP7 derives from AT cells, club cells, and AMs, while FASN originates from AT cells, ciliated cells, and AMs. Conclusion: Our data revealed a comprehensive transcriptional mRNA profile of IPF and demonstrated that ECM remodeling, lipid metabolism, and immune effect were collaboratively involved in the early development of IPF.
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Affiliation(s)
- Weiping Qian
- Department of Respiratory Medicine, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
- National Clinical Center for Respiratory Disease, Guangzhou Institute of Respiratory Health, Guangzhou, China
| | - Shu Xia
- Department of Respiratory Medicine, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
- National Clinical Center for Respiratory Disease, Guangzhou Institute of Respiratory Health, Guangzhou, China
| | - Xiaoyun Yang
- National Clinical Center for Respiratory Disease, Guangzhou Institute of Respiratory Health, Guangzhou, China
- State Key Laboratory of Respiratory Disease, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Jiaying Yu
- National Clinical Center for Respiratory Disease, Guangzhou Institute of Respiratory Health, Guangzhou, China
- State Key Laboratory of Respiratory Disease, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Bingpeng Guo
- Department of Respiratory Medicine, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
- National Clinical Center for Respiratory Disease, Guangzhou Institute of Respiratory Health, Guangzhou, China
| | - Zhengfang Lin
- National Clinical Center for Respiratory Disease, Guangzhou Institute of Respiratory Health, Guangzhou, China
- State Key Laboratory of Respiratory Disease, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Rui Wei
- Department of Respiratory Medicine, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
- National Clinical Center for Respiratory Disease, Guangzhou Institute of Respiratory Health, Guangzhou, China
| | - Mengmeng Mao
- Department of Respiratory Medicine, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
- National Clinical Center for Respiratory Disease, Guangzhou Institute of Respiratory Health, Guangzhou, China
| | - Ziyi Zhang
- Department of Respiratory Medicine, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
- National Clinical Center for Respiratory Disease, Guangzhou Institute of Respiratory Health, Guangzhou, China
| | - Gui Zhao
- Department of Respiratory Medicine, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
- National Clinical Center for Respiratory Disease, Guangzhou Institute of Respiratory Health, Guangzhou, China
| | - Junye Bai
- Department of Respiratory Medicine, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
- National Clinical Center for Respiratory Disease, Guangzhou Institute of Respiratory Health, Guangzhou, China
| | - Qian Han
- Department of Respiratory Medicine, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
- National Clinical Center for Respiratory Disease, Guangzhou Institute of Respiratory Health, Guangzhou, China
- *Correspondence: Qian Han, ; Zhongfang Wang, ; Qun Luo,
| | - Zhongfang Wang
- National Clinical Center for Respiratory Disease, Guangzhou Institute of Respiratory Health, Guangzhou, China
- State Key Laboratory of Respiratory Disease, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
- *Correspondence: Qian Han, ; Zhongfang Wang, ; Qun Luo,
| | - Qun Luo
- Department of Respiratory Medicine, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
- National Clinical Center for Respiratory Disease, Guangzhou Institute of Respiratory Health, Guangzhou, China
- *Correspondence: Qian Han, ; Zhongfang Wang, ; Qun Luo,
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Wang L, Zhou L, Ma N, Su Q, Wan Y, Zhang Y, Wu F, Qian W. Real-time monitoring of immunoglobulin G levels in milk using an ordered porous layer interferometric optical sensor. Talanta 2022; 237:122958. [PMID: 34736683 DOI: 10.1016/j.talanta.2021.122958] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2021] [Revised: 10/04/2021] [Accepted: 10/08/2021] [Indexed: 10/20/2022]
Abstract
Immunoglobulin G (IgG) is a significant ingredient of immunological activity in milk and colostrum, the activity and content of which is easily disturbed by potentially conditional variant during sterilization. Therefore, developing robust methods for the detection of IgG levels in milk is especially important. Herein, protein A from the Staphylococcus aureus functionalized silica colloidal crystalline film (SCC@SPA) sensing unit combined with ordered porous layer interferometry (OPLI) for IgG detection in untreated bovine milk was developed. Calibration curves in milk and buffer were set up by the variations of the optical thickness (OT) of the sensing unit after the IgG association and dissociation phases. The influence of temperature on the level of IgG was evaluated. Furthermore, the identification of IgG levels with pasteurized milk and ultrahigh temperature (UHT) sterilized milk from the market randomly was successfully carried out without any sample pretreatment. More importantly, compared with other methods, this novel method has the advantages of convenient operation, low cost, and suitability for point-of-care (POC) testing.
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Affiliation(s)
- Lu Wang
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing, 210096, China
| | - Lele Zhou
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing, 210096, China
| | - Ning Ma
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing, 210096, China
| | - Qianqian Su
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing, 210096, China; School of Pharmacy, Jiangsu Ocean University, Lianyungang, 222005, China
| | - Yizhen Wan
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing, 210096, China
| | - Yifan Zhang
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing, 210096, China
| | - Feng Wu
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing, 210096, China
| | - Weiping Qian
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing, 210096, China; OPLI (Suzhou) Biotechnology Co., Ltd, New District, Suzhou, 215163, China.
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25
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Yang H, Tan S, Qiao J, Xu Y, Gui Z, Meng Y, Dong B, Peng G, Ibhagui OY, Qian W, Lu J, Li Z, Wang G, Lai J, Yang L, Grossniklaus HE, Yang JJ. Non-invasive detection and complementary diagnosis of liver metastases via chemokine receptor 4 imaging. Cancer Gene Ther 2022; 29:1827-1839. [PMID: 35145271 PMCID: PMC9363530 DOI: 10.1038/s41417-022-00433-w] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2021] [Revised: 12/12/2021] [Accepted: 01/26/2022] [Indexed: 02/08/2023]
Abstract
Noninvasive detection of early-stage liver metastases from different primary cancers is a pressing unmet medical need. The lack of both molecular biomarkers and the sensitive imaging methodology makes the detection challenging. In this study, we observed the elevated expression of chemokine receptor 4 (CXCR4) in uveal melanoma (UM) patient liver tissues, and high CXCR4 expression in liver metastases of UM murine models, regardless of the expression levels in the primary tumors. Based on these findings, we identified CXCR4 as an imaging biomarker and exploited a CXCR4-targeted MRI contrast agent ProCA32.CXCR4 for molecular MRI imaging. ProCA32.CXCR4 has strong CXCR4 binding affinity, high metal selectivity, and r1 and r2 relaxivities, which enables the sensitive detection of liver micrometastases. The MRI imaging capacity for detecting liver metastases was demonstrated in three UM models and one ovarian cancer model. The imaging results were validated by histological and immunohistochemical analysis. ProCA32.CXCR4 has strong potential clinical application for non-invasive diagnosis of liver metastases.
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Affiliation(s)
- Hua Yang
- grid.189967.80000 0001 0941 6502Department of Ophthalmology, Emory University, Atlanta, GA 30322 USA
| | - Shanshan Tan
- grid.256304.60000 0004 1936 7400Department of Chemistry, Georgia State University, Atlanta, GA 30303 USA
| | - Jingjuan Qiao
- grid.256304.60000 0004 1936 7400Department of Chemistry, Georgia State University, Atlanta, GA 30303 USA
| | - Yiting Xu
- grid.256304.60000 0004 1936 7400Department of Chemistry, Georgia State University, Atlanta, GA 30303 USA
| | - Zongxiang Gui
- grid.256304.60000 0004 1936 7400Department of Chemistry, Georgia State University, Atlanta, GA 30303 USA
| | - Yuguang Meng
- grid.189967.80000 0001 0941 6502Yerkes National Primate Research Center, Atlanta, GA 30329 USA
| | - Bin Dong
- grid.256304.60000 0004 1936 7400Department of Chemistry, Georgia State University, Atlanta, GA 30303 USA
| | - Guangda Peng
- grid.256304.60000 0004 1936 7400Department of Biology, Georgia State University, Atlanta, GA 30303 USA
| | - Oluwatosin Y. Ibhagui
- grid.256304.60000 0004 1936 7400Department of Chemistry, Georgia State University, Atlanta, GA 30303 USA
| | - Weiping Qian
- grid.189967.80000 0001 0941 6502Department of Surgery, Emory University, Atlanta, GA 30322 USA
| | - Jimmy Lu
- grid.504342.4Codex BioSolutions Inc, Gaithersburg, MD USA
| | - Zezhong Li
- grid.189967.80000 0001 0941 6502Department of Ophthalmology, Emory University, Atlanta, GA 30322 USA
| | - Guimin Wang
- grid.189967.80000 0001 0941 6502Department of Ophthalmology, Emory University, Atlanta, GA 30322 USA ,Affiliated Eye Hospital of Shandong Traditional Chinese Medicine University, Jinan, China
| | - Jinping Lai
- grid.414896.6Department of Pathology and Laboratory Medicine, Kaiser Permanente Sacramento Medical Center, Sacramento, CA 95825 USA
| | - Lily Yang
- grid.189967.80000 0001 0941 6502Department of Surgery, Emory University, Atlanta, GA 30322 USA
| | - Hans E. Grossniklaus
- grid.189967.80000 0001 0941 6502Department of Ophthalmology, Emory University, Atlanta, GA 30322 USA
| | - Jenny J. Yang
- grid.256304.60000 0004 1936 7400Department of Chemistry, Georgia State University, Atlanta, GA 30303 USA
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Zhang CH, Chen C, Wang JR, Wang Y, Wen SX, Cao YP, Qian WP. An endometrial receptivity scoring system basing on the endometrial thickness, volume, echo, peristalsis, and blood flow evaluated by ultrasonography. Front Endocrinol (Lausanne) 2022; 13:907874. [PMID: 36017318 PMCID: PMC9395662 DOI: 10.3389/fendo.2022.907874] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/30/2022] [Accepted: 07/25/2022] [Indexed: 11/21/2022] Open
Abstract
BACKGROUND Establishing a successful pregnancy depends on the endometrium and the embryo. It is estimated that suboptimal endometrial receptivity account for one-third of implantation failures. Despite the indepth understanding of the processes associated with embryo-endometrial cross-talk, little progress has been achieved for diagnosis and treatments for suboptimal endometrial receptivity. METHODS This retrospective study included women undergoing their first frozen-thawed embryo transfer (FET) cycles at our reproductive medicine center from March 2021 to August 2021. Transvaginal three-dimensional (3D) ultrasound was performed in the morning on the day of embryo transfer for all the thawed embryo transfer patients, to evaluate endometrial receptivity, including endometrial thickness, echogenicity, volume, movement and blood flow. RESULTS A total number of 562 patients of FET with 315 pregnancies (56.0%) was analyzed. It was found that only the echo of the endometrial central line was different between the pregnant group and non-pregnant group. Other parameters, such as endometrial thickness, volume, endometrial peristalsis, or the endometrial blood flow were not statistically different between the two groups. Then, according to the relationship between the different groups and the clinical pregnancy rate, a score of 0 to 2 was respectively scored. The sum of the scores for the six items was the patient's endometrial receptivity score. It showed that the clinical pregnancy rate increased as the endometrial receptivity score increased, and when the receptivity score reaches at least 5, the clinical pregnancy rate is significantly improved (63.7% versus 49.5%, P=0.001). CONCLUSION We developed an endometrial receptivity scoring system and demonstrated its validity. It may aid clinicians in choosing the useful marker in clinical practice and for informing further research.
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Affiliation(s)
- Chun-hui Zhang
- Center for Reproductive Medicine, Peking University Shenzhen Hospital, Shenzhen, China
| | - Cheng Chen
- Center for Reproductive Medicine, Peking University Shenzhen Hospital, Shenzhen, China
| | - Jia-rui Wang
- Center for Reproductive Medicine, Peking University Shenzhen Hospital, Shenzhen, China
| | - Yue Wang
- Department of Ultrasonography, Peking University Shenzhen Hospital, Shenzhen, China
| | - Si-xi Wen
- Center for Reproductive Medicine, Peking University Shenzhen Hospital, Shenzhen, China
| | - Yan-pei Cao
- Center for Reproductive Medicine, Peking University Shenzhen Hospital, Shenzhen, China
| | - Wei-ping Qian
- Center for Reproductive Medicine, Peking University Shenzhen Hospital, Shenzhen, China
- *Correspondence: Wei-ping Qian,
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Dong A, Su Q, Ma N, Xu P, Zhou L, Wu F, Wang L, Wan Y, Qian W. Effect of Relative Humidity on the Thickness of Assembled Silica Colloidal Crystal Films. J Nanosci Nanotechnol 2021; 21:5215-5221. [PMID: 33875109 DOI: 10.1166/jnn.2021.19441] [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] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
In order for the colloidal crystal films to be better applied, the influence of relative humidity on the preparation of silica colloidal crystal (SCC) films was systematically studied to solve the problem of different thicknesses of SCC films prepared by different batches under the conditions with the same temperature, concentration of suspension and diameter of the particles. SCC films with 190 nm particles were prepared by static vertical deposition method under different humidity regulated by saturated salt solutions, and the thickness of the films was obtained by an interferometric method. The results showed that the increase in humidity would reduce the thickness of the prepared films, which was believed to be caused by the decrease in evaporation rate after the wetting film absorbs water vapor. A new formula for calculating film thickness was proposed and verified from a series of experiments. With the control of humidity, high-quality SCC films with controlled thickness can be repeatedly prepared.
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Affiliation(s)
- Ao Dong
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing 210096, China
| | - Qianqian Su
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing 210096, China
| | - Ning Ma
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing 210096, China
| | - Pengfei Xu
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing 210096, China
| | - Lele Zhou
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing 210096, China
| | - Feng Wu
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing 210096, China
| | - Lu Wang
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing 210096, China
| | - Yizhen Wan
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing 210096, China
| | - Weiping Qian
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing 210096, China
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Ni R, Liu N, Li M, Qian W, Qiu X. Identification and phylogenetic analysis of voltage-gated sodium channel haplotypes in the malaria vector Anopheles sinensis using a high-throughput amplicon sequencing approach. Parasit Vectors 2021; 14:499. [PMID: 34565467 PMCID: PMC8474825 DOI: 10.1186/s13071-021-05009-5] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2021] [Accepted: 09/09/2021] [Indexed: 11/13/2022] Open
Abstract
Background Anopheles sinensis is a dominant vector for malaria transmission in Asian countries. Voltage-gated sodium channel (VGSC) mutation-mediated knock-down resistance (kdr) has developed in many A. sinensis populations because of intensive and long-term use of pyrethroids. Our previous study showed that multiple mutations at position 1014 of the VGSC were heterogeneously distributed in A. sinensis populations across Sichuan, China. Methods To understand resistance genotypes at the haplotype level and reconstruct the phylogenetic relationship of VGSC haplotypes, a cost-effective next-generation sequencing (NGS)-based amplicon sequencing approach was established to clarify haplotypes containing codon 1014 of the VGSC gene from a total of 446 adults collected in 12 locations of Sichuan, China. Results Nineteen (19) haplotypes were identified, including 11 wild 1014L, 6 resistance 1014F, and 2 resistance 1014C haplotypes. We found that resistance haplotypes of A. sinensis VGSC were widely distributed at frequencies ranging from 3.67 to 92.61%. The frequencies of the 1014C haplotype in the southeast of Sichuan (Luzhou, Guangan, and Suining) were relatively higher than those in other sampling locations. Phylogenetic analyses support that kdr-type mutation at position 1014 is not singly originated and resistance 1014C haplotypes evolve from TTT-encoding 1014F. Conclusions A cost-effective next-generation sequencing (NGS)-based amplicon sequencing approach has been established in this study. The data revealed the patchy distribution of VGSC resistance haplotypes with overall high frequencies in Sichuan, China. Phylogenetic analyses support multiple origins and sequential evolution (1014L → 1014F → 1014C) for kdr-type mutations in A. sinensis. Graphical abstract ![]()
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Affiliation(s)
- Ruoyao Ni
- State Key Laboratory of Integrated Management of Pest Insects and Rodents, Institute of Zoology, Chinese Academy of Sciences, Beijing, 100101, China.,University of Chinese Academy of Sciences, Beijing, China
| | - Nian Liu
- State Key Laboratory of Integrated Management of Pest Insects and Rodents, Institute of Zoology, Chinese Academy of Sciences, Beijing, 100101, China
| | - Mei Li
- State Key Laboratory of Integrated Management of Pest Insects and Rodents, Institute of Zoology, Chinese Academy of Sciences, Beijing, 100101, China
| | - Weiping Qian
- State Key Laboratory of Integrated Management of Pest Insects and Rodents, Institute of Zoology, Chinese Academy of Sciences, Beijing, 100101, China. .,Sichuan Center for Disease Control and Prevention, Chengdu, China.
| | - Xinghui Qiu
- State Key Laboratory of Integrated Management of Pest Insects and Rodents, Institute of Zoology, Chinese Academy of Sciences, Beijing, 100101, China.
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Zhou L, Wang L, Ma N, Wu F, Wan Y, Zhang Y, Qian W. Construction of lipid layer and monitoring its digestion by optical interferometry. Food Chem 2021; 366:130553. [PMID: 34284194 DOI: 10.1016/j.foodchem.2021.130553] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2021] [Revised: 06/30/2021] [Accepted: 07/05/2021] [Indexed: 02/07/2023]
Abstract
A method for real-time monitoring of lipid digestion based on photonic crystals formed from silica was developed. As an effective "net", the highly ordered silica colloidal crystal (SCC) film provides structural support for lipid payload. This method based on optical interferometric film kinetics was used to record the whole kinetics progress of olive oil hydrolysis by lipase in real time and calculate the kinetic Michaelis constant. The kinetic parameters were compared with the results determined by the titration method. The effects of bile salt content on lipase and olive oil layer were studied. This method provides a potential evaluation system for real-time digestion and degradation of edible oil in the food field. It also provides a basis for further real-time evaluation of lipid bioavailability in food systems by real-time recording the release and degradation of lipids in the food nano-matrix.
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Affiliation(s)
- Lele Zhou
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing 210096, China
| | - Lu Wang
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing 210096, China
| | - Ning Ma
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing 210096, China
| | - Feng Wu
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing 210096, China
| | - Yizhen Wan
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing 210096, China
| | - Yifan Zhang
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing 210096, China
| | - Weiping Qian
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing 210096, China.
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30
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Han Q, Chen X, Xu X, Qian W, Zhao G, Mao M, Guo B, Xia S, Peng G, He J, Gu Y, Li S, Luo Q. The Application of Transbronchial Lung Cryobiopsy and Uniportal and Tubeless Video-Assisted Thoracic Surgery in the Multidisciplinary Diagnosis of Interstitial Lung disease-A Real-World Prospective Study. Front Mol Biosci 2021; 8:681669. [PMID: 34222336 PMCID: PMC8241905 DOI: 10.3389/fmolb.2021.681669] [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] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2021] [Accepted: 06/02/2021] [Indexed: 11/13/2022] Open
Abstract
The application of transbronchial lung cryobiopsy (TBLC) and uniportal and tubeless video-assisted thoracic surgery (UT-VATS) in the multidisciplinary diagnosis of interstitial lung disease (ILD) has not been demonstrated in real-world clinical practice. This prospective study included 137 patients with no definitive diagnosis who were the subject of two multidisciplinary discussion (MDD) sessions. As indicated in the first MDD, 67 patients underwent UT-VATS and 70 underwent TBLC. The specificity of biopsy information and its contribution to final MDD diagnosis were evaluated in the second MDD. The post-operative complications and hospitalization costs associated with the two biopsy methods were compared. UT-VATS was favored for patients initially diagnosed with idiopathic pulmonary fibrosis (IPF), bronchiolitis-associated interstitial lung disease (RB-ILD)/desquamative interstitial pneumonia (DIP) and undefined idiopathic interstitial pneumonia (UIIP), while TBLC was preferred for pulmonary lymphangioleiomyomatosis (PLAM) and pulmonary alveolar proteinosis (PAP). The spirometry parameters were better in patients who underwent UT-VATS than those who underwent TBLC. UT-VATS provided more specific pathological results than TBLC (85.7 vs 73.7%, p = 0.06). In patients initially diagnosed with UIIP, pathological information from UT-VATS was more clinically useful than that obtained from TBLC, although both tests contributed similarly to cases initially diagnosed as interstitial pneumonia with auto-immune features (IPAF)/connective tissue disease-related ILD (CTD-ILD). The safety of UT-VATS was comparable with TBLC although TBLC was cheaper during hospitalization (US$4,855.7 vs US$3,590.9, p < 0.001). multidisciplinary discussion decisions about biopsies were driven by current knowledge of sampling and diagnosis capacity as well as potential risks of different biopsy methods. The current MDD considered UT-VATS more informative than TBLC in cases initially diagnosed as UIIP although they were equally valuable in patients initially diagnosed with IPAF/CTD-ILD.
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Affiliation(s)
- Qian Han
- Department of Respiratory Medicine, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China.,National Clinical Research Center for Respiratory Disease, Guangzhou Institute of Respiratory Health, Guangzhou, China
| | - Xiaobo Chen
- Department of Respiratory Medicine, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China.,National Clinical Research Center for Respiratory Disease, Guangzhou Institute of Respiratory Health, Guangzhou, China
| | - Xin Xu
- National Clinical Research Center for Respiratory Disease, Guangzhou Institute of Respiratory Health, Guangzhou, China.,Department of Cardio-thoracic Surgery, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Weiping Qian
- Department of Respiratory Medicine, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China.,National Clinical Research Center for Respiratory Disease, Guangzhou Institute of Respiratory Health, Guangzhou, China
| | - Gui Zhao
- Department of Respiratory Medicine, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China.,National Clinical Research Center for Respiratory Disease, Guangzhou Institute of Respiratory Health, Guangzhou, China
| | - Mengmeng Mao
- Department of Respiratory Medicine, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China.,National Clinical Research Center for Respiratory Disease, Guangzhou Institute of Respiratory Health, Guangzhou, China
| | - Bingpeng Guo
- Department of Respiratory Medicine, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China.,National Clinical Research Center for Respiratory Disease, Guangzhou Institute of Respiratory Health, Guangzhou, China
| | - Shu Xia
- Department of Respiratory Medicine, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China.,National Clinical Research Center for Respiratory Disease, Guangzhou Institute of Respiratory Health, Guangzhou, China
| | - Guilin Peng
- National Clinical Research Center for Respiratory Disease, Guangzhou Institute of Respiratory Health, Guangzhou, China.,Department of Cardio-thoracic Surgery, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Jianxing He
- National Clinical Research Center for Respiratory Disease, Guangzhou Institute of Respiratory Health, Guangzhou, China.,Department of Cardio-thoracic Surgery, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Yingying Gu
- National Clinical Research Center for Respiratory Disease, Guangzhou Institute of Respiratory Health, Guangzhou, China.,Department of Pathology, Guangzhou Institute of Respiratory Health, Guangzhou, China
| | - Shiyue Li
- Department of Respiratory Medicine, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China.,National Clinical Research Center for Respiratory Disease, Guangzhou Institute of Respiratory Health, Guangzhou, China
| | - Qun Luo
- Department of Respiratory Medicine, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China.,National Clinical Research Center for Respiratory Disease, Guangzhou Institute of Respiratory Health, Guangzhou, China
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31
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Wu F, Wan Y, Wang L, Zhou L, Ma N, Qian W. Construction of Optical Interference Fibrin and Thrombolysis Analysis with Silica Colloidal Crystal Films. Langmuir 2021; 37:7264-7272. [PMID: 34080427 DOI: 10.1021/acs.langmuir.1c01020] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Developing powerful real-time methods for monitoring the thrombolytic process is highly desirable for the early therapy of thrombus diseases. Herein, an optical interference fibrin was constructed, fabricated by assembling a 190 nm silica colloidal crystal on glass slides, for detecting a thrombolytic process through the shift of interference peaks caused by the variation of the thicknesses of a silica colloidal crystal film with loaded fibrin dissolution. The whole kinetic progress of thrombolysis by nattokinase and urokinase as thrombolytic drug models was recorded, and the kinetic data were calculated. Moreover, the developed method shows excellent sensitivity for the activity of nattokinase and urokinase with wide linear ranges of approximately 0.75-750 and 5-1000 units mL-1, respectively. Thus, this method can be used as a real-time, low-cost, and simple system for monitoring the thrombolytic process of drugs, demonstrating huge potential in the development of treating thromboembolic diseases and screening drugs.
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Affiliation(s)
- Feng Wu
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing 210096, P. R. China
| | - Yizhen Wan
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing 210096, P. R. China
| | - Lu Wang
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing 210096, P. R. China
| | - Lele Zhou
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing 210096, P. R. China
| | - Ning Ma
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing 210096, P. R. China
| | - Weiping Qian
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing 210096, P. R. China
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32
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Wu F, Su Q, Zhou L, Xu P, Dong A, Qian W. A Novel Protein Corona Characterization based on the Reflectometric Interference Spectroscopy with Silica Colloidal Crystal Films. Acta Chimica Sinica 2021. [DOI: 10.6023/a20090422] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
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33
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Zhang C, Wu F, Wu Z, Sun B, Chen C, Qian W. Early Follicular Phase Human Chorionic Gonadotropin Addition May Improve the Outcomes of In Vitro Fertilization/Intracytoplasmic Sperm Injection in Patients With "Unpredictable" Poor Response to Gonadotropin-Releasing Hormone Antagonist Protocol. Front Endocrinol (Lausanne) 2021; 12:739773. [PMID: 34707571 PMCID: PMC8544820 DOI: 10.3389/fendo.2021.739773] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/11/2021] [Accepted: 09/03/2021] [Indexed: 12/02/2022] Open
Abstract
PURPOSE To compare the effects of early and mid-late follicular phase administration of 150 IU of human chorionic gonadotropin (hCG) on gonadotropin-releasing hormone (GnRH) antagonist protocol in "unpredictable" poor ovarian response (POR) women undergoing in vitro fertilization/intracytoplasmic sperm injection (IVF/ICSI) treatment. METHODS A retrospective single-center cohort study was conducted on 67 patients with "unpredictable" POR in their first IVF/ICSI cycle receiving GnRH antagonist protocol. Patients were treated with a second IVF/ICSI cycle using the same GnRH antagonist protocol with the same starting dose of recombinant follicle-stimulating hormone (rFSH) as the first cycle; a daily dose of 150 IU of hCG was administrated on either stimulation day 1 (Group A, n = 35) or day 6 (Group B, n = 32). The number of oocytes retrieved, number of usable embryos, serum level of estradiol (E2) on day of hCG trigger, and clinical pregnant outcomes were studied. RESULTS The addition of 150 IU of hCG on either the first day or sixth day of stimulation increases the serum level of E2, luteinizing hormone (LH), and hCG on the day of hCG trigger. Only the use of 150 IU of hCG on the first stimulation day improved the number of oocytes retrieved, mature of oocytes, and usable embryos, but not the addition of hCG on stimulation day 6. Implantation rate, clinical pregnancy rate, and ongoing pregnancy rate showed an increasing trend in patients receiving 150 IU of hCG in the early phase compared with mid-late phase, even thought there was no statistically significant difference. CONCLUSIONS Our study demonstrated that adding 150 IU of hCG in subsequent GnRH antagonist cycle in "unpredictable" poor responders is associated with the improvement of response to stimulation. Furthermore, early follicular phase addition of 150 IU of hCG significantly increased the number of oocytes retrieved and usable embryos than did the mid-late addition of the same dose.
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34
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Yang DN, Wu JH, Geng L, Cao LJ, Zhang QJ, Luo JQ, Kallen A, Hou ZH, Qian WP, Shi Y, Xia X. Efficacy of intrauterine perfusion of peripheral blood mononuclear cells (PBMC) for infertile women before embryo transfer: meta-analysis. J OBSTET GYNAECOL 2020; 40:961-968. [PMID: 31791175 DOI: 10.1080/01443615.2019.1673711] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [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] [Indexed: 02/05/2023]
Abstract
This meta-analysis was intended to evaluate the effects of intrauterine perfusion of peripheral blood mononuclear cells (PBMC) on the pregnancy outcomes including clinical pregnancy rates, embryo implantation rates, live birth rates and miscarriage rates of infertile women who were undergoing in vitro fertilisation (IVF) treatment. By searching Pubmed, Embase database, five articles meeting the inclusion criteria were included, and 1173 women were enrolled (intrauterine PBMC group: n = 514; NO-PBMC group: n = 659). For the entire IVF/ICSI population and one or two embryo transfer failure patients, there was no significant difference in endometrial thickness, embryo implantation rates, live birth rates, and miscarriage rates between the PBMC group and NO-PBMC group. Although the clinical pregnancy rates of the PBMC group were higher than that of the NO-PBMC group, the confidence interval was close to the line of unity. As for the patients with three or more implantation failures, the clinical pregnancy rates, embryo implantation rates and live birth rates were much higher in the PBMC group than that of the NO-PBMC group. In summary, current evidence suggests that intrauterine perfusion of PBMC can significantly improve pregnancy outcomes in patients who have three or more implantation failures.Impact statementWhat is already known on this subject? An increasing number of studies have shown that immune cells play an important role in embryo transfer. There is no reliable evidence to confirm the clinical efficacy of intrauterine perfusion of PBMC.What do the results of this study add? The current evidence suggests that intrauterine perfusion of PBMC can significantly improve pregnancy outcomes in patients who have three or more implantation failures.What are the implications of these findings for clinical practice and/or further research? To the best of our knowledge, this meta-analysis is the first to evaluate the effect of intrauterine perfusion of PBMC on pregnancy outcomes before embryo transfer. Our study indicated that intrauterine perfusion of PBMC significantly increased clinical pregnancy rates, embryo implantation rates, and live birth rates in patients who failed more than three implants.
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Affiliation(s)
- D N Yang
- Center for Reproductive Medicine, Peking University Shenzhen Hospital, Shenzhen, Guangdong, China
- Shantou University Medical College, Shantou, Guangdong, China
| | - J H Wu
- Center for Reproductive Medicine, Peking University Shenzhen Hospital, Shenzhen, Guangdong, China
- Shantou University Medical College, Shantou, Guangdong, China
| | - L Geng
- Center for Reproductive Medicine, Peking University Shenzhen Hospital, Shenzhen, Guangdong, China
- Shantou University Medical College, Shantou, Guangdong, China
| | - L J Cao
- Department of Gynecology & Obstetrics, Nanshan People's Hospital, Nan Shan District, Shenzhen, Guangdong, China
| | - Q J Zhang
- Center for Reproductive Medicine, Peking University Shenzhen Hospital, Shenzhen, Guangdong, China
- Shantou University Medical College, Shantou, Guangdong, China
| | - J Q Luo
- Center for Reproductive Medicine, Peking University Shenzhen Hospital, Shenzhen, Guangdong, China
- Shantou University Medical College, Shantou, Guangdong, China
| | - Amanda Kallen
- Division of Reproductive Endocrinology & Infertility, Department of Obstetrics, Gynecology, & Reproductive Sciences, Yale University School of Medicine, CT USA
| | - Z H Hou
- Center for Reproductive Medicine, Peking University Shenzhen Hospital, Shenzhen, Guangdong, China
- Shantou University Medical College, Shantou, Guangdong, China
| | - W P Qian
- Center for Reproductive Medicine, Peking University Shenzhen Hospital, Shenzhen, Guangdong, China
| | - Y Shi
- Center for Reproductive Medicine, Peking University Shenzhen Hospital, Shenzhen, Guangdong, China
| | - X Xia
- Center for Reproductive Medicine, Peking University Shenzhen Hospital, Shenzhen, Guangdong, China
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Long X, Wang Y, Wu F, Li R, Chen L, Qian W, Qiao J. Pregnancy Outcomes of Single/Double Blastocysts and Cleavage Embryo Transfers: a Retrospective Cohort Study of 24,422 Frozen-Thawed Cycles. Reprod Sci 2020; 27:2271-2278. [PMID: 32840740 PMCID: PMC7593290 DOI: 10.1007/s43032-020-00247-x] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2020] [Revised: 06/01/2020] [Accepted: 06/30/2020] [Indexed: 01/12/2023]
Abstract
This study aims to evaluate the effect of blastocyst- and cleavage-stage embryo transfers with different numbers of transferred embryos on pregnancy outcomes in China. This was a retrospective cohort study that collected 24,422 frozen-thawed embryo transfer (FET) cycles in two affiliated hospitals of Peking University Health Science Center between January 2015 and May 2018. They were divided into four groups: the single cleavage-stage embryo transfer group (C-1) (763 cycles), double cleavage-stage embryo transfer group (C-2) (13,004 cycles), single blastocyst-stage embryo transfer group (B-1) (7913 cycles), and double blastocyst-stage embryo transfer group (B-2) (2046 cycles). Of the four groups, the live birth rate was the lowest in the C-1 group (11.8%) while it was the highest in the B-2 group (33.6%). However, the B-2 group was accompanied with higher risks of miscarriages, maternal complications, twin births, preterm births, and low birth weight. Compared with the C-2 group, the B-1 group had a lower live birth rate (23.0 vs 29.0%; aOR, 0.78; 95% CI, 0.72-0.85), but also had a lower risk for twin births (1.9 vs 23.4%; aOR, 0.06; 95% CI, 0.04-0.09) and preterm births (9.6 vs 16.1%; aOR, 0.51; 95% CI, 0.41-0.65). The probability of live birth in the B-1 group declined from 0.25 at 20-29 years old to 0.08 at > 40 years old, while the probabilities of adverse outcomes went up with maternal age. It can be concluded that single-blastocyst embryo transfer seems to be the best choice for all maternal ages. This group of embryo transfer has significantly reduced adverse neonatal outcomes. Especially, women with younger maternal age in this group appear to prominently benefit from single-blastocyst transfer.
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Affiliation(s)
- Xiaoyu Long
- Center for Reproductive Medicine, Department of Obstetrics and Gynecology, Peking University Third Hospital, No.49 North Huayuan Road, Haidian District, Beijing, 100191, China.,National Clinical Research Center for Obstetrics and Gynecology, Beijing, 100191, China
| | - Yuanyuan Wang
- Center for Reproductive Medicine, Department of Obstetrics and Gynecology, Peking University Third Hospital, No.49 North Huayuan Road, Haidian District, Beijing, 100191, China.,National Clinical Research Center for Obstetrics and Gynecology, Beijing, 100191, China
| | - Fangrong Wu
- Department of Reproductive Medicine, Peking University Shenzhen Hospital, Shenzhen, Guangdong, China
| | - Rong Li
- Center for Reproductive Medicine, Department of Obstetrics and Gynecology, Peking University Third Hospital, No.49 North Huayuan Road, Haidian District, Beijing, 100191, China.,National Clinical Research Center for Obstetrics and Gynecology, Beijing, 100191, China
| | - Lixue Chen
- Center for Reproductive Medicine, Department of Obstetrics and Gynecology, Peking University Third Hospital, No.49 North Huayuan Road, Haidian District, Beijing, 100191, China.,National Clinical Research Center for Obstetrics and Gynecology, Beijing, 100191, China
| | - Weiping Qian
- Department of Reproductive Medicine, Peking University Shenzhen Hospital, Shenzhen, Guangdong, China.
| | - Jie Qiao
- Center for Reproductive Medicine, Department of Obstetrics and Gynecology, Peking University Third Hospital, No.49 North Huayuan Road, Haidian District, Beijing, 100191, China. .,National Clinical Research Center for Obstetrics and Gynecology, Beijing, 100191, China.
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Su Q, Xu P, Zhou L, Wu F, Dong A, Wan Y, Qian W. Real-Time and Label-Free Monitoring of Biomolecular Interactions within Complex Biological Media Using a Silica Colloidal Crystal Film. ACS Appl Mater Interfaces 2020; 12:35950-35957. [PMID: 32693572 DOI: 10.1021/acsami.0c10926] [Citation(s) in RCA: 8] [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] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
A method capable of real-time and label-free monitoring of biomolecular interactions within whole blood, without any sample separation and label process, is described. This was accomplished using silica colloidal crystal (SCC) films, three-dimensionally ordered silica particle arrays whose interference effect is a function of their optical thickness, as interference-sensitive substrates. Interactions between immunoglobulin G (IgG) and protein A from Staphylococcus aureus (SPA) conjugates with changes in the optical thickness of SCC films were monitored spectroscopically. Successful detection of IgG was achieved in the buffer and whole blood. This system constitutes a simple label-free analysis showing great potential in monitoring interactions between biomolecules in complex biological media.
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Affiliation(s)
- Qianqian Su
- State Key Laboratory of Bioelectronics, Southeast University, Nanjing 210096, China
| | - Pengfei Xu
- State Key Laboratory of Bioelectronics, Southeast University, Nanjing 210096, China
| | - Lele Zhou
- State Key Laboratory of Bioelectronics, Southeast University, Nanjing 210096, China
| | - Feng Wu
- State Key Laboratory of Bioelectronics, Southeast University, Nanjing 210096, China
| | - Ao Dong
- State Key Laboratory of Bioelectronics, Southeast University, Nanjing 210096, China
| | - Yizhen Wan
- State Key Laboratory of Bioelectronics, Southeast University, Nanjing 210096, China
| | - Weiping Qian
- State Key Laboratory of Bioelectronics, Southeast University, Nanjing 210096, China
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Zhou L, Su Q, Wu F, Wan Y, Xu P, Dong A, Li Q, Qian W. Using Reflectometric Interference Spectroscopy to Real-Time Monitor Amphiphile-Induced Orientational Responses of Liquid-Crystal-Loaded Silica Colloidal Crystal Films. Anal Chem 2020; 92:12071-12078. [DOI: 10.1021/acs.analchem.0c02749] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Lele Zhou
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing 210096, China
| | - Qianqian Su
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing 210096, China
| | - Feng Wu
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing 210096, China
| | - Yizhen Wan
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing 210096, China
| | - Pengfei Xu
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing 210096, China
| | - Ao Dong
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing 210096, China
| | - Qiang Li
- State Key Laboratory of Modern Optical Instrumentation, College of Optical Science and Engineering, Zhejiang University, Hangzhou 310027, China
| | - Weiping Qian
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing 210096, China
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Li Y, Wu H, Ji B, Qian W, Xia S, Wang L, Xu Y, Chen J, Yang L, Mao H. Targeted Imaging of CD206 Expressing Tumor-Associated M2-like Macrophages Using Mannose-Conjugated Antibiofouling Magnetic Iron Oxide Nanoparticles. ACS Appl Bio Mater 2020; 3:4335-4347. [PMID: 34841220 DOI: 10.1021/acsabm.0c00368] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Although tumor-associated macrophages (TAMs) have been shown to promote cancer progression, their roles in tumor development and resistance to therapy remain to be fully understood, mainly because of the lack of a good approach to evaluate the dynamic changes of heterogeneous macrophages in their residing microenvironment. Here, we report an approach of using antibiofouling PEG-b-AGE polymer-coated iron oxide nanoparticles (IONPs) for targeted imaging of mannose receptor (CD206)-expressing M2-like TAMs. Antibiofouling polymer coatings block non-specific phagocytosis of IONPs by different cells but enable ligand-mediated CD206+ M2-like macrophage targeting after surface functionalizing with mannose (Man-IONP). Costaining tissue sections of the 4T1 mouse mammary tumors using an anti-CD206 antibody and fluorescent dye (TRITC)-labeled Man-IONP showed 94.7 ± 4.5% colocalization of TRITC-Man-IONPs with the anti-CD206 antibody. At 48 h after intravenous (i.v.) injection of Man-IONPs, magnetic resonance imaging of mice bearing orthotopic 4T1 mammary tumors showed a significantly larger IONP-induced decrease of the transverse relaxation time (T 2) in tumors with 29.4 ± 1.5 ms compared to 12.3 ± 3.6 ms in tumors that received non-targeted IONP probes (P < 0.001). Immunofluorescence-stained tumor tissue sections collected at 6, 18, and 24 h after i.v. administration of the nanoprobes revealed that Man-IONPs specifically targeted CD206+ M2-like macrophages in various tumor areas at all time points, while nonconjugated IONPs were absent in the tumor after 18 h. Thus, antibiofouling Man-IONPs demonstrated the capability of explicitly imaging CD206+ M2-like macrophages in vivo and potentials for investigating the dynamics of macrophages in the tumor microenvironment and delivering therapeutics targeting M2-like TAMs.
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Affiliation(s)
- Yuancheng Li
- Department of Radiology and Imaging Sciences, Emory University, Atlanta, Georgia 30329, United States
| | - Hui Wu
- Department of Radiology and Imaging Sciences, Emory University, Atlanta, Georgia 30329, United States
| | - Bing Ji
- Department of Radiology and Imaging Sciences, Emory University, Atlanta, Georgia 30329, United States
| | - Weiping Qian
- Department of Surgery, Emory University, Atlanta, Georgia 30329, United States
| | - Siyuan Xia
- Department of Hematology and Medical Oncology, Emory University, Atlanta, Georgia 30329, United States
| | - Liya Wang
- Department of Radiology and Imaging Sciences, Emory University, Atlanta, Georgia 30329, United States; Department of Radiology, The People's Hospital of Longhua, Shenzhen, Guangdong 518109, China
| | - Yaolin Xu
- Department of Radiology and Imaging Sciences, Emory University, Atlanta, Georgia 30329, United States
| | - Jing Chen
- Department of Hematology and Medical Oncology, Emory University, Atlanta, Georgia 30329, United States
| | - Lily Yang
- Department of Surgery, Emory University, Atlanta, Georgia 30329, United States
| | - Hui Mao
- Department of Radiology and Imaging Sciences, Emory University, Atlanta, Georgia 30329, United States
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Guo B, Wang L, Xia S, Mao M, Qian W, Peng X, Zheng Z, Chen R, Han Q, Luo Q. The interstitial lung disease spectrum under a uniform diagnostic algorithm: a retrospective study of 1,945 individuals. J Thorac Dis 2020; 12:3688-3696. [PMID: 32802448 PMCID: PMC7399396 DOI: 10.21037/jtd-19-4021] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Background Reported data on the disease spectrum of interstitial lung diseases (ILDs) of China are sparse and varied. We aimed to investigate the spectrum of ILDs and the distribution of diagnostic methods under a uniform diagnosis. Methods This retrospective study enrolled ILDs cases from Guangzhou Institute of Respiratory Health (GIRH). All cases were classified into specific subgroups of ILDs according to updated guidelines. Results A total of 1,945 subjects were enrolled from January 2012 to December 2017. The mean age was 57.9 years, and 1,080 (55.5%) patients were male. The most common subtype of ILDs was idiopathic pulmonary fibrosis (IPF, 20.3%), followed by interstitial pneumonia with autoimmune features (IPAF, 17.9%), connective tissue disease associated ILD (CTD-ILD, 18.3%) and unclassifiable idiopathic interstitial pneumonia (UIIP, 14.7%). A total of 818 (42.1%) patients underwent lung biopsy in order to obtain a histological diagnose. TBLB was performed in 565 (29.0%) patients, eleven of whom underwent SLB because TBLB failed to obtain lung samples. SLB was performed in 213 (11.0%) patients and TBCB was performed in 51 (2.6%) patients. Among them, histological results were considered clinically helpful in 722 (88.3%) cases, and provided definitive histopathological diagnoses in 368 cases. Surgical lung biopsy (SLB) was performed in 213 (10.9%) subjects, while 115 (54.0%) cases were performed among the idiopathic interstitial pneumonia (IIP). Among SLB cases in IIP, the highest rate of SLB was desquamative interstitial pneumonia/respiratory bronchiolitis-interstitial lung disease (DIP/RB-ILD, 10/10), lymphoid interstitial pneumonia (LIP, 9/9), followed by cryptogenic organizing (COP, 18/26), nonspecific interstitial pneumonia (NSIP, 22/53), IPF (43/395), UIIP (13/285). Conclusions IPF was the most common ILDs in our ILD center, followed by IPAF, CTD-ILD and UIIP. Histological information may help to establish diagnostic algorithm in ILD.
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Affiliation(s)
- Bingpeng Guo
- State Key Laboratory of Respiratory Disease, National Clinical Research Center for Respiratory Disease, Guangzhou Institute of Respiratory Health, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Lulin Wang
- State Key Laboratory of Respiratory Disease, National Clinical Research Center for Respiratory Disease, Guangzhou Institute of Respiratory Health, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Shu Xia
- State Key Laboratory of Respiratory Disease, National Clinical Research Center for Respiratory Disease, Guangzhou Institute of Respiratory Health, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Mengmeng Mao
- State Key Laboratory of Respiratory Disease, National Clinical Research Center for Respiratory Disease, Guangzhou Institute of Respiratory Health, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Weiping Qian
- State Key Laboratory of Respiratory Disease, National Clinical Research Center for Respiratory Disease, Guangzhou Institute of Respiratory Health, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Xiaomin Peng
- State Key Laboratory of Respiratory Disease, National Clinical Research Center for Respiratory Disease, Guangzhou Institute of Respiratory Health, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Zexuan Zheng
- State Key Laboratory of Respiratory Disease, National Clinical Research Center for Respiratory Disease, Guangzhou Institute of Respiratory Health, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Rongchang Chen
- State Key Laboratory of Respiratory Disease, National Clinical Research Center for Respiratory Disease, Guangzhou Institute of Respiratory Health, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China.,Shenzhen Institute of Respiratory Diseases, Shenzhen People's Hospital, Shenzhen, China
| | - Qian Han
- State Key Laboratory of Respiratory Disease, National Clinical Research Center for Respiratory Disease, Guangzhou Institute of Respiratory Health, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Qun Luo
- State Key Laboratory of Respiratory Disease, National Clinical Research Center for Respiratory Disease, Guangzhou Institute of Respiratory Health, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
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Hu L, Zhang S, Quan S, Lv J, Qian W, Huang Y, Lu W, Sun Y. Efficacy and safety of recombinant human follicle-stimulating hormone in patients undergoing in vitro fertilization-embryo transfer. Aging (Albany NY) 2020; 12:4918-4930. [PMID: 32209728 PMCID: PMC7138541 DOI: 10.18632/aging.102919] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [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: 11/18/2019] [Accepted: 03/03/2020] [Indexed: 11/25/2022]
Abstract
To compare the ovarian responses after administration of two recombinant follicle-stimulating hormone (r-FSH) preparations under gonadotropin-releasing hormone (GnRH) analogue downregulation, we conducted a phase 3, randomized, multicenter, assessor-blind, active-controlled, parallel group study. The primary outcome was the number of oocytes retrieved. The secondary outcomes included total dose and duration of r-FSH administered, oocyte quality, blood estradiol levels, follicular development, fertilization rates, implantation rates, and pregnancy rates (biochemical, clinical, and ongoing). A total of 451 patients with infertility were randomized to receive either Follitrope™ Prefilled Syringe or Gonal-F® Pen for ovarian stimulation. The mean number of oocytes retrieved was 14.9 in the FollitropeTM Prefilled Syringe group, and 12.8 in the Gonal-F® Pen group. The 95% confidence interval in the oocyte number difference between the groups was [-0.1, 4.2], demonstrating that FollitropeTM Prefilled Syringe was not inferior to Gonal-F® Pen. The clinical pregnancy rates (FollitropeTM Prefilled Syringe vs. Gonal-F® Pen: 55.4% vs. 51.9%) and ongoing pregnancy rates (44.1% vs. 43.0%) were similar between the groups. No clinically significant adverse events were observed in either group. In summary, our study indicates that FollitropeTM Prefilled Syringe is safe and efficacious for ovarian stimulation.
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Affiliation(s)
- Linli Hu
- The First Affiliated Hospital of Zhengzhou University, Reproductive Medicine, Zhengzhou, China
| | - Songying Zhang
- Sir Run Run Shaw Hospital of Zhejiang University, Reproductive Medicine, Hangzhou, China
| | - Song Quan
- Southern Medical University, Reproductive Medicine, Guangzhou, China
| | - Jieqiang Lv
- Second Affiliated Hospital of Wenzhou Medical University, Reproductive Medicine, Wenzhou, China
| | - Weiping Qian
- Peking University Shenzhen Hospital, Reproductive Medicine, Shenzhen, China
| | - Yuanhua Huang
- Hainan Medical College, Reproductive Medicine, Haikou, China
| | - Weiying Lu
- Hainan Medical College, Reproductive Medicine, Haikou, China
| | - Yingpu Sun
- The First Affiliated Hospital of Zhengzhou University, Reproductive Medicine, Zhengzhou, China
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Yin L, Hu P, Shi X, Qian W, Zhau HE, Pandol SJ, Lewis MS, Chung LWK, Wang R. Cancer cell's neuroendocrine feature can be acquired through cell-cell fusion during cancer-neural stem cell interaction. Sci Rep 2020; 10:1216. [PMID: 31988304 PMCID: PMC6985266 DOI: 10.1038/s41598-020-58118-z] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2019] [Accepted: 01/10/2020] [Indexed: 02/04/2023] Open
Abstract
Advanced and therapy-resistant prostate tumors often display neural or neuroendocrine behavior. We assessed the consequences of prostate cancer cell interaction with neural cells, which are rich in the human prostate and resident of the prostate tumor. In 3-dimensional co-culture with neurospheres, red fluorescent human LNCaP cells formed agglomerates on the neurosphere surface. Upon induced neural differentiation, some red fluorescent cells showed morphology of fully differentiated neural cells, indicating fusion between the cancer and neural stem cells. These fusion hybrids survived for extended times in a quiescent state. A few eventually restarted cell division and propagated to form derivative hybrid progenies. Clones of the hybrid progenies were highly heterogeneous; most had lost prostatic and epithelial markers while some had acquired neural marker expression. These results indicate that cancer cells can fuse with bystander neural cells in the tumor microenvironment; and cancer cell fusion is a direct route to tumor cell heterogeneity.
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Affiliation(s)
- Liyuan Yin
- Lung Cancer Center, West China Hospital, Sichuan University, Chengdu, China
- Uro-Oncology Research, Department of Medicine, Cedars-Sinai Medical Center, Los Angeles, CA, USA
| | - Peizhen Hu
- Uro-Oncology Research, Department of Medicine, Cedars-Sinai Medical Center, Los Angeles, CA, USA
| | - Xianping Shi
- Department of Medicine, Cedars-Sinai Medical Center, Los Angeles, CA, USA
| | - Weiping Qian
- Department of Surgery, Emory University School of Medicine, Atlanta, GA, USA
| | - Haiyen E Zhau
- Uro-Oncology Research, Department of Medicine, Cedars-Sinai Medical Center, Los Angeles, CA, USA
| | - Stephen J Pandol
- Department of Medicine, Cedars-Sinai Medical Center, Los Angeles, CA, USA
| | - Michael S Lewis
- Department of Pathology, Greater Los Angeles Veterans Affairs Health System, Los Angeles, CA, USA
| | - Leland W K Chung
- Uro-Oncology Research, Department of Medicine, Cedars-Sinai Medical Center, Los Angeles, CA, USA
| | - Ruoxiang Wang
- Uro-Oncology Research, Department of Medicine, Cedars-Sinai Medical Center, Los Angeles, CA, USA.
- Department of Pathology, Greater Los Angeles Veterans Affairs Health System, Los Angeles, CA, USA.
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Xu Y, Wu H, Huang J, Qian W, Martinson DE, Ji B, Li Y, Wang YA, Yang L, Mao H. Probing and Enhancing Ligand-Mediated Active Targeting of Tumors Using Sub-5 nm Ultrafine Iron Oxide Nanoparticles. Theranostics 2020; 10:2479-2494. [PMID: 32194814 PMCID: PMC7052897 DOI: 10.7150/thno.39560] [Citation(s) in RCA: 35] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2019] [Accepted: 12/15/2019] [Indexed: 11/05/2022] Open
Abstract
Rationale: "Active targeting" based on the ligand-target affinity is a common strategy to precisely deliver nanoparticle (NP) imaging probes or drug carriers to the diseased tissue. However, such ligand-mediated active targeting inevitably takes place with prerequisite "passive targeting", driven by the enhanced permeability and retention (EPR) effect. Thus, the efficiency of active targeting in relation to off-targeted unbound NPs is of great importance in quantitative imaging of tumor biomarkers and delivery. With the notion that easy clearance of off-targeted uIONPs may lead to enhanced active targeting and tumor accumulation, we examined the NP size effect on "active targeting" of the transferrin receptor (TfR) using transferrin (Tf)-conjugated sub-5 nm (3 nm core) ultrafine iron oxide NPs (uIONPs) and larger IONPs (30 nm core). Methods: Green fluorescent dye (FITC)-labeled active targeting uIONPs (FITC-Tf-uIONPs) and red fluorescent dye (TRITC)-labeled passive targeting uIONPs (TRITC-uIONPs) were prepared. FITC-Tf-IONPs and TRITC-IONPs were used as comparison for the NP size effect. Multiphoton imaging, confocal fluorescence imaging, histological staining and computational analysis were applied to track different types of NPs in tumors at 1, 3 and 24 hours after co-injection of equal amounts of paired NPs, e.g., active targeting FITC-Tf-uIONPs and non-targeting TRITC-uIONPs, or FITC-Tf-IONPs and TRITC-IONPs into the same mice bearing 4T1 mouse mammary tumors. Results: Active targeting uIONPs exhibited an almost 6-fold higher level of tumor retention with deeper penetration comparing to non-targeting uIONPs at 24 hours after co-injection. However, accumulation of active targeting IONPs with a 30-nm core is only about 1.15-fold higher than non-targeting IONPs. The enhanced active targeting by uIONPs can be attributed to the size dependent clearance of unbound off-targeted NPs, as majority off-targeted uIONPs were readily cleared from the tumor by intravasation back into tumor blood vessels likely due to high interstitial pressure, even though they are not favorable for macrophage uptake. Conclusion: Ligand-mediated active targeting improves the delivery and accumulation of the sub-5 nm NPs. The improvement on active targeting is size-dependent and facilitated by NPs with sub-5 nm core sizes. Thus, sub-5 nm NPs may serve as favorable platforms for development of NP-based molecular imaging probes and targeted drug carriers.
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Affiliation(s)
- Yaolin Xu
- Department of Radiology and Imaging Sciences, Emory University School of Medicine, Atlanta, Georgia, USA
| | - Hui Wu
- Department of Radiology and Imaging Sciences, Emory University School of Medicine, Atlanta, Georgia, USA
| | - Jing Huang
- Department of Radiology and Imaging Sciences, Emory University School of Medicine, Atlanta, Georgia, USA
- Boston Children's Hospital, Harvard Medical School, Boston, Massachusetts, USA
| | - Weiping Qian
- Department of Surgery, Emory University School of Medicine, Atlanta, Georgia, USA
| | | | - Bing Ji
- Department of Radiology and Imaging Sciences, Emory University School of Medicine, Atlanta, Georgia, USA
| | - Yuancheng Li
- Department of Radiology and Imaging Sciences, Emory University School of Medicine, Atlanta, Georgia, USA
| | | | - Lily Yang
- Department of Surgery, Emory University School of Medicine, Atlanta, Georgia, USA
| | - Hui Mao
- Department of Radiology and Imaging Sciences, Emory University School of Medicine, Atlanta, Georgia, USA
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Luo J, Shi Y, Liu D, Yang D, Wu J, Cao L, Geng L, Hou Z, Lin H, Zhang Q, Jiang X, Qian W, Yu Z, Xia X. The effect of salpingectomy on the ovarian reserve and ovarian response in ectopic pregnancy: A systematic review and meta-analysis. Medicine (Baltimore) 2019; 98:e17901. [PMID: 31764787 PMCID: PMC6882622 DOI: 10.1097/md.0000000000017901] [Citation(s) in RCA: 6] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/28/2019] [Revised: 09/28/2019] [Accepted: 10/10/2019] [Indexed: 02/05/2023] Open
Abstract
BACKGROUND Salpingectomy is routinely performed in ectopic pregnancy (EP). However, the effect of the surgery on the ovarian reserve and ovarian response in EP patients is still uncertain and has not been systematically evaluated. Therefore, we conducted this meta-analysis to provide a comparison of the ovarian reserve and ovarian response between the pre-salpingectomy and post-salpingectomy in EP patients. METHODS Pubmed, Embase, and Cochrane Library were searched for all relevant articles published up to December 2018. We retrieved the basic information and data of the included studies. The data was analyzed by Review Manager 5.3 software (Cochrane Collaboration, Oxford, UK). RESULTS A total of 243 articles were extracted from the databases, and 7 studies were included in the meta-analysis. The ovarian reserve including anti-Mullerian hormone (inverse variance [IV] -0.7 [95% confidence interval [CI] -0.63, 0.49]), antral follicle count (IV 1.7 [95% CI -2.02, 5.42]) and basal follicle stimulating hormone (IV 0.02 [95% CI -0.63, 0.68]) was comparable between the pre-salpingectomy group and the post-salpingectomy group. The amount of gonadotropin was significantly higher in the post-salpingectomy group when compared with that in the pre-salpingectomy group (IV -212.65 [95% CI -383.59, -41.71]). There was no significant difference in the left parameters of the ovarian response including the duration of gonadotropin stimulation (IV -0.32 [95% CI -0.76, 0.12]), the estrogen level on the human chorionic gonadotropin triggering day (IV -4.12 [95% CI -236.27, -228.04]) and the number of retrieved oocytes (IV 0.35 [95% CI -0.76, 1.46]) between 2 groups. CONCLUSIONS The current results suggest that salpingectomy has no negative effect on the ovarian reserve and ovarian response.
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Affiliation(s)
- Jiaqi Luo
- Center for Reproductive Medicine, Peking University Shenzhen Hospital (The Affiliated Hospital of Shantou University Medical College)
| | - Yu Shi
- Department of Ultrasound, Peking University Shenzhen Hospital
| | - Dan Liu
- Center for Reproductive Medicine, Peking University Shenzhen Hospital (The Affiliated Hospital of Shantou University Medical College)
| | - Danni Yang
- Center for Reproductive Medicine, Peking University Shenzhen Hospital (The Affiliated Hospital of Shantou University Medical College)
| | - Jiahui Wu
- Center for Reproductive Medicine, Peking University Shenzhen Hospital (The Affiliated Hospital of Shantou University Medical College)
| | - Lijuan Cao
- Center for Reproductive Medicine, Peking University Shenzhen Hospital (The Affiliated Hospital of Shantou University Medical College)
- Department of Gynecology & Obstetrics, Nanshan People's Hospital
| | - Lan Geng
- Center for Reproductive Medicine, Peking University Shenzhen Hospital (The Affiliated Hospital of Shantou University Medical College)
| | - Zhenhui Hou
- Center for Reproductive Medicine, Peking University Shenzhen Hospital (The Affiliated Hospital of Shantou University Medical College)
| | - Hongbo Lin
- Center for Reproductive Medicine, Peking University Shenzhen Hospital (The Affiliated Hospital of Shantou University Medical College)
| | - Qiuju Zhang
- Center for Reproductive Medicine, Peking University Shenzhen Hospital (The Affiliated Hospital of Shantou University Medical College)
| | - Xuefeng Jiang
- Department of Gynecology & Obstetrics, Nanshan People's Hospital
| | - Weiping Qian
- Center for Reproductive Medicine, Peking University Shenzhen Hospital (The Affiliated Hospital of Shantou University Medical College)
| | - Zhiying Yu
- Department of Gynecology, The First Affiliated Hospital of Shenzhen University, Health Science Center, Shenzhen Second People's Hospital, Shenzhen, Guangdong, China
| | - Xi Xia
- Center for Reproductive Medicine, Peking University Shenzhen Hospital (The Affiliated Hospital of Shantou University Medical College)
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Sun H, Lin Y, Lin D, Zou C, Zou X, Fu L, Meng F, Qian W. Mediterranean diet improves embryo yield in IVF: a prospective cohort study. Reprod Biol Endocrinol 2019; 17:73. [PMID: 31477128 PMCID: PMC6720942 DOI: 10.1186/s12958-019-0520-9] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/16/2019] [Accepted: 08/29/2019] [Indexed: 01/19/2023] Open
Abstract
BACKGROUND Mediterranean diet (MediDiet) had been reported to be beneficial to human health. However the relationship between diet pattern and outcomes of in vitro fertilization (IVF) treatment was scarcely researched. This study was aimed to explore the correlation between MediDiet pattern of infertile women and their clinical outcomes of IVF cycles. METHODS An observational prospective cohort study was conducted in the reproductive center from September 2016 to December 2017. Seven hundred infertile women about to undergo IVF treatment were asked to conduct a questionnaire survey. Patients were assigned to higher MediDiet adherence group or lower MediDiet adherence group according to their Mediterranean diet scores. Laboratory parameters and clinical outcomes were compared and those were different between groups were further analyzed for their relationship with MediDiet adherence. RESULTS A total of 590 women were finally included in the study. According to MediDiet scores, 228 participants were categorized as higher MediDiet adherence group and 362 others as lower MediDiet adherence group. No significant differences were found in baseline characteristics between groups. Higher MediDiet adherence group showed larger number of embryos available (8.40 ± 5.26 vs 7.40 ± 4.71, P = 0.028). Clinical pregnancy rate and implantation rate were similar between the two groups. In further correlation tests and multivariate linear regression analysis, number of fertilized oocytes and embryo yield were positively correlated to MediDiet adherence of participants. CONCLUSION Infertile women with greater adherence to Mediterranean diet pattern were likely to obtain more embryos available in IVF cycle.
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Affiliation(s)
- Hongmei Sun
- grid.440601.7Department of Reproductive Center, Peking University Shenzhen Hospital, No. 1120 Lianhua Road, Shenzhen, Guangdong 518036 People’s Republic of China
| | - Yihua Lin
- grid.440601.7Department of Reproductive Center, Peking University Shenzhen Hospital, No. 1120 Lianhua Road, Shenzhen, Guangdong 518036 People’s Republic of China
| | - Dongxia Lin
- grid.440601.7Department of Reproductive Center, Peking University Shenzhen Hospital, No. 1120 Lianhua Road, Shenzhen, Guangdong 518036 People’s Republic of China
| | - Change Zou
- grid.440601.7Department of Reproductive Center, Peking University Shenzhen Hospital, No. 1120 Lianhua Road, Shenzhen, Guangdong 518036 People’s Republic of China
| | - Xiangli Zou
- grid.440601.7Department of Reproductive Center, Peking University Shenzhen Hospital, No. 1120 Lianhua Road, Shenzhen, Guangdong 518036 People’s Republic of China
| | - Lan Fu
- grid.440601.7Department of Reproductive Center, Peking University Shenzhen Hospital, No. 1120 Lianhua Road, Shenzhen, Guangdong 518036 People’s Republic of China
| | - Fanhua Meng
- grid.440601.7Department of Reproductive Center, Peking University Shenzhen Hospital, No. 1120 Lianhua Road, Shenzhen, Guangdong 518036 People’s Republic of China
| | - Weiping Qian
- grid.440601.7Department of Reproductive Center, Peking University Shenzhen Hospital, No. 1120 Lianhua Road, Shenzhen, Guangdong 518036 People’s Republic of China
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Xia X, Shi Y, Geng L, Liu D, Hou Z, Lin H, Li R, Wang H, Tao L, Meng F, Da J, Chen Y, Qiao J, Qian W, Li H. A cohort study of both human menopausal gonadotropin (HMG) and recombinant luteinizing hormone addition at early follicular stage in in vitro fertilization outcome: A STROBE-compliant study. Medicine (Baltimore) 2019; 98:e15512. [PMID: 31083194 PMCID: PMC6531138 DOI: 10.1097/md.0000000000015512] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/26/2022] Open
Abstract
At present, the precise role of human menopausal gonadotropin (HMG) and recombinant luteinizing hormone (rLH) supplementation at an early time of follicular phase on in vitro fertilization (IVF)/intra cytoplasmatic sperm injection (ICSI) outcomes remains uncertain.Here infertile women of normal ovarian function undergoing their first cycle of IVF/ICSI were studied and were randomly allocated into 3 groups. Group 1, ovarian stimulation with 150IU recombinant follicle-stimulating hormone (FSH) alone. Group 2, patients received 75IU rFSH and 75IU HMG. Group 3 patients were given 150IU rFSH and 75IU rLH.There were no significant differences in the clinical characteristics, ovarian response, the biochemical, clinical and ongoing pregnancy rates among the 3 groups. No significant differences were found in biochemical, clinical and ongoing pregnancy rates between the patients whose LH levels were lower than 0.75 mIU/ml and those above this threshold in group 1. Furthermore, there were also no significant differences in biochemical, clinical and ongoing pregnancy rates among the 3 group patients whose LH level lower than 0.75 mIU/ml.The results showed that either the addition of HMG or rLH supplementation at an early time of follicular phase produce no significant benefit on IVF outcome in patients with normal ovarian function.
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Affiliation(s)
- Xi Xia
- Center for Reproductive Medicine, Department of Obstetrics and Gynecology, Peking University Shenzhen Hospital, No. 1120 Lotus Road, FuTian District, Shenzhen, Guangdong
- Center for Reproductive Medicine, Department of Obstetrics and Gynecology, Peking University Third Hospital, No. 49 North HuaYuan Road, HaiDian District, Beijing, China
| | - Yu Shi
- Center for Reproductive Medicine, Department of Obstetrics and Gynecology, Peking University Shenzhen Hospital, No. 1120 Lotus Road, FuTian District, Shenzhen, Guangdong
| | - Lan Geng
- Center for Reproductive Medicine, Department of Obstetrics and Gynecology, Peking University Shenzhen Hospital, No. 1120 Lotus Road, FuTian District, Shenzhen, Guangdong
| | - Dan Liu
- Center for Reproductive Medicine, Department of Obstetrics and Gynecology, Peking University Shenzhen Hospital, No. 1120 Lotus Road, FuTian District, Shenzhen, Guangdong
| | - Zhenhui Hou
- Center for Reproductive Medicine, Department of Obstetrics and Gynecology, Peking University Shenzhen Hospital, No. 1120 Lotus Road, FuTian District, Shenzhen, Guangdong
| | - Hongbo Lin
- Center for Reproductive Medicine, Department of Obstetrics and Gynecology, Peking University Shenzhen Hospital, No. 1120 Lotus Road, FuTian District, Shenzhen, Guangdong
| | - Rong Li
- Center for Reproductive Medicine, Department of Obstetrics and Gynecology, Peking University Third Hospital, No. 49 North HuaYuan Road, HaiDian District, Beijing, China
| | - Haiyan Wang
- Center for Reproductive Medicine, Department of Obstetrics and Gynecology, Peking University Third Hospital, No. 49 North HuaYuan Road, HaiDian District, Beijing, China
| | - Liyuan Tao
- Center for Reproductive Medicine, Department of Obstetrics and Gynecology, Peking University Third Hospital, No. 49 North HuaYuan Road, HaiDian District, Beijing, China
| | - Fanhua Meng
- Center for Reproductive Medicine, Department of Obstetrics and Gynecology, Peking University Shenzhen Hospital, No. 1120 Lotus Road, FuTian District, Shenzhen, Guangdong
| | - Jian Da
- Center for Reproductive Medicine, Department of Obstetrics and Gynecology, Peking University Shenzhen Hospital, No. 1120 Lotus Road, FuTian District, Shenzhen, Guangdong
| | - Yun Chen
- Center for Reproductive Medicine, Department of Obstetrics and Gynecology, Peking University Shenzhen Hospital, No. 1120 Lotus Road, FuTian District, Shenzhen, Guangdong
| | - Jie Qiao
- Center for Reproductive Medicine, Department of Obstetrics and Gynecology, Peking University Third Hospital, No. 49 North HuaYuan Road, HaiDian District, Beijing, China
| | - Weiping Qian
- Center for Reproductive Medicine, Department of Obstetrics and Gynecology, Peking University Shenzhen Hospital, No. 1120 Lotus Road, FuTian District, Shenzhen, Guangdong
| | - Hongzhen Li
- Center for Reproductive Medicine, Department of Obstetrics and Gynecology, Peking University Third Hospital, No. 49 North HuaYuan Road, HaiDian District, Beijing, China
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Abstract
With the aim to develop better and more reliable interference effective substrates, silica colloidal crystal films with different sphere diameters and film thicknesses were successfully made by an improved vertical deposition method and a systematic investigation of their reflectometric interference spectroscopy (RIfS) properties are presented in this work. The influence of silica sphere diameter and film thickness on the RIfS signals was studied. The results showed that the film thickness is the key factor of RIfS signals. An RIfS system was set up by using a silica colloidal crystal film as an interference effective substrate. The influence of film thickness on the response to refractive index changes of the proposed system was also investigated. When the influence of film thickness on RIfS signals and refractive index response we considered together, silica colloidal crystal films with a thickness between 4 and 6 μm were chosen for sensor construction. Monitoring the digestive process of gelatin with trypsin was also demonstrated by combining gelatin-modified silica colloidal crystal films with RIfS. The system showed excellent sensitivity with a wide linear range and could achieve real-time measurement of each process. It has been proved that this is a promising method to construct biosensors using silica colloidal crystal films as interference-sensitive substrates.
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Affiliation(s)
- Qianqian Su
- State Key Laboratory of Bioelectronics , Southeast University , Nanjing , People's Republic of China
| | - Feng Wu
- State Key Laboratory of Bioelectronics , Southeast University , Nanjing , People's Republic of China
| | - Pengfei Xu
- State Key Laboratory of Bioelectronics , Southeast University , Nanjing , People's Republic of China
| | - Ao Dong
- State Key Laboratory of Bioelectronics , Southeast University , Nanjing , People's Republic of China
| | - Chang Liu
- State Key Laboratory of Bioelectronics , Southeast University , Nanjing , People's Republic of China
| | - Yizhen Wan
- State Key Laboratory of Bioelectronics , Southeast University , Nanjing , People's Republic of China
| | - Weiping Qian
- State Key Laboratory of Bioelectronics , Southeast University , Nanjing , People's Republic of China
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Pan C, Li X, Sun J, Li Z, Zhang L, Qian W, Wang P, Dong J. A Multiplexed SERS-Active Microneedle for Simultaneous Redox Potential and pH Measurements in Rat Joints. ACS Appl Bio Mater 2019; 2:2102-2108. [DOI: 10.1021/acsabm.9b00117] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Chenyan Pan
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing, 210096, China
| | - Xiaochen Li
- Department of Orthopedics and Traumatology, Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing, 210029, China
| | - Jie Sun
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing, 210096, China
| | - Zhe Li
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing, 210096, China
| | - Li Zhang
- Department of Orthopedics and Traumatology, Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing, 210029, China
| | - Weiping Qian
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing, 210096, China
| | - Peimin Wang
- Department of Orthopedics and Traumatology, Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing, 210029, China
| | - Jian Dong
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing, 210096, China
- Laboratory of Environment and Biosafety, Research Institute of Southeast University in Suzhou, Suzhou, 215123, China
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Satpathy M, Wang L, Zielinski RJ, Qian W, Wang YA, Mohs AM, Kairdolf BA, Ji X, Capala J, Lipowska M, Nie S, Mao H, Yang L. Targeted Drug Delivery and Image-Guided Therapy of Heterogeneous Ovarian Cancer Using HER2-Targeted Theranostic Nanoparticles. Theranostics 2019; 9:778-795. [PMID: 30809308 PMCID: PMC6376473 DOI: 10.7150/thno.29964] [Citation(s) in RCA: 61] [Impact Index Per Article: 12.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2018] [Accepted: 12/19/2018] [Indexed: 01/30/2023] Open
Abstract
Cancer heterogeneity and drug resistance limit the efficacy of cancer therapy. To address this issue, we have developed an integrated treatment protocol for effective treatment of heterogeneous ovarian cancer. Methods: An amphiphilic polymer coated magnetic iron oxide nanoparticle was conjugated with near infrared dye labeled HER2 affibody and chemotherapy drug cisplatin. The effects of the theranostic nanoparticle on targeted drug delivery, therapeutic efficacy, non-invasive magnetic resonance image (MRI)-guided therapy, and optical imaging detection of therapy resistant tumors were examined in an orthotopic human ovarian cancer xenograft model with highly heterogeneous levels of HER2 expression. Results: We found that systemic delivery of HER2-targeted magnetic iron oxide nanoparticles carrying cisplatin significantly inhibited the growth of primary tumor and peritoneal and lung metastases in the ovarian cancer xenograft model in nude mice. Differential delivery of theranostic nanoparticles into individual tumors with heterogeneous levels of HER2 expression and various responses to therapy were detectable by MRI. We further found a stronger therapeutic response in metastatic tumors compared to primary tumors, likely due to a higher level of HER2 expression and a larger number of proliferating cells in metastatic tumor cells. Relatively long-time retention of iron oxide nanoparticles in tumor tissues allowed interrogating the relationship between nanoparticle drug delivery and the presence of resistant residual tumors by in vivo molecular imaging and histological analysis of the tumor tissues. Following therapy, most of the remaining tumors were small, primary tumors that had low levels of HER2 expression and nanoparticle drug accumulation, thereby explaining their lack of therapeutic response. However, a few residual tumors had HER2-expressing tumor cells and detectable nanoparticle drug delivery but failed to respond, suggesting additional intrinsic resistant mechanisms. Nanoparticle retention in the small residual tumors, nevertheless, produced optical signals for detection by spectroscopic imaging. Conclusion: The inability to completely excise peritoneal metastatic tumors by debulking surgery as well as resistance to chemotherapy are the major clinical challenges for ovarian cancer treatment. This targeted cancer therapy has the potential for the development of effective treatment for metastatic ovarian cancer.
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Affiliation(s)
- Minati Satpathy
- Departments of Surgery, Emory University School of Medicine, Atlanta, GA, 30322, USA
| | - Liya Wang
- Department of Radiology and Imaging Sciences, Emory University School of Medicine, Atlanta, GA, 30322, USA
| | - Rafal J. Zielinski
- Department of Experimental Therapeutics, University of Texas, MD Anderson Cancer Center, Houston, TX, 77030, USA
| | - Weiping Qian
- Departments of Surgery, Emory University School of Medicine, Atlanta, GA, 30322, USA
| | | | - Aaron M. Mohs
- Department of Biomedical Engineering, Emory University, Atlanta, GA, 30322, USA
| | - Brad A. Kairdolf
- Department of Biomedical Engineering, Emory University, Atlanta, GA, 30322, USA
| | - Xin Ji
- Ocean NanoTech, LLC, San Diego, CA, 92126, USA
| | - Jacek Capala
- Clinical Radiation Oncology Branch, Division of Cancer Treatment and Diagnosis, National Cancer Institute, Bethesda, MD 20892, USA
| | - Malgorzata Lipowska
- Department of Radiology and Imaging Sciences, Emory University School of Medicine, Atlanta, GA, 30322, USA
| | - Shuming Nie
- Department of Biomedical Engineering, Emory University, Atlanta, GA, 30322, USA
| | - Hui Mao
- Department of Radiology and Imaging Sciences, Emory University School of Medicine, Atlanta, GA, 30322, USA
| | - Lily Yang
- Departments of Surgery, Emory University School of Medicine, Atlanta, GA, 30322, USA
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Su Q, Liu C, Dong A, Xu P, Qian W. Ordered Silica Nanosphere Templates: Large-Area Assembly and Characterization. J Nanosci Nanotechnol 2018; 18:8367-8375. [PMID: 30189961 DOI: 10.1166/jnn.2018.16415] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [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
Ordered silica nanosphere templates, which are usually known as colloidal crystals, are most widely used to prepare ordered porous nanostructure materials among the templates to fabricate nanostructure materials. We present here a method for the simultaneous assembly of multiple ordered silica nanosphere templates with same quality, in which a glass trough together with a stand was used as the experimental cell. Two different diameters of silica colloidal particles were selected for our experiments, namely ∼190 nm and ∼280 nm. The growth process, thickness and optical properties of films of silica nanospheres on substrates were studied. The particle sedimentation and solvent evaporation both play a role in determining particle volume fractions. In addition, the standard deviation of the diameter of the particles affects the optical properties of the films along the growth direction. There was almost no difference observed in our measurements of the film thickness and optical properties for both the same regions of different films and different regions of the same film along the direction perpendicular to the growth direction. The elucidation of the growth process and characterization of the film properties achieved in this study could help us to obtain better quality templates. This is the first systematic study of the evolution of the thickness and optical properties of ordered silica nanosphere films formed by a simultaneous assembly process.
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Affiliation(s)
- Qianqian Su
- State Key Laboratory of Bioelectronics, Southeast University, Nanjing, 210096, China
| | - Chang Liu
- State Key Laboratory of Bioelectronics, Southeast University, Nanjing, 210096, China
| | - Ao Dong
- State Key Laboratory of Bioelectronics, Southeast University, Nanjing, 210096, China
| | - Pengfei Xu
- State Key Laboratory of Bioelectronics, Southeast University, Nanjing, 210096, China
| | - Weiping Qian
- State Key Laboratory of Bioelectronics, Southeast University, Nanjing, 210096, China
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Zhang X, Geng J, Du J, Wang Y, Qian W, Zheng A, Zou Z. Molecular Identification of Rickettsia Species in Haemaphysalis Ticks Collected from Southwest China. Vector Borne Zoonotic Dis 2018; 18:663-668. [PMID: 30129891 DOI: 10.1089/vbz.2017.2231] [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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Rickettsia species are obligate intracellular Gram-negative bacteria that can infect a wide range of vertebrate hosts, including humans, through arthropod vectors such as Ixodid ticks. These ticks are a threat to humans and animals because they are the primary vectors or reservoirs for rickettsiae, which is of public health importance. In this study, we report the identification and percent of positive of Rickettsia spp. in ticks collected from Cangxi County, Southwest China. Haemaphysalis longicornis comprised 48.4% of the 188 ticks collected followed by Haemaphysalis flava (29.3%), H. doenitzi (12.2%), and Haemaphysalis hystricis (10.1%). A total of 63 (33.5%) ticks were positive with Rickettsia spp., with 48 (57%) of those being H. longicornis and 15 (27.3%) being H. flava. The other two tick species, however, did not have any ticks positive for rickettsial DNA. In addition, two different Rickettsia spp. were identified using gltA and ompA as molecular markers. The sequence of Rickettsia sp. infecting H. longicornis ticks was found to be identical to the Rickettsia sequences from Northeastern China and Japan (KF728367, AB516964). Phylogenetic analyses using these molecular markers support the notion that Rickettsia species from H. flava is the most close to a member of the Candidatus Rickettsia gannanii subgroup. The high percentage of Rickettsia positive in this Southwest China region suggests potential public health threat in the future and warrants to be monitored.
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Affiliation(s)
- Xing Zhang
- 1 College of Life Sciences, University of Chinese Academy of Sciences , Beijing, China
| | - Jingjing Geng
- 1 College of Life Sciences, University of Chinese Academy of Sciences , Beijing, China
| | - Jie Du
- 2 State Key Laboratory of Integrated Management of Pest Insects and Rodents, Institute of Zoology , Chinese Academy of Sciences, Beijing, China
| | - Yanhong Wang
- 2 State Key Laboratory of Integrated Management of Pest Insects and Rodents, Institute of Zoology , Chinese Academy of Sciences, Beijing, China
| | - Weiping Qian
- 3 Sichuan Provincial Center for Disease Control and Prevention , Sichuan, China
| | - Aihua Zheng
- 1 College of Life Sciences, University of Chinese Academy of Sciences , Beijing, China .,2 State Key Laboratory of Integrated Management of Pest Insects and Rodents, Institute of Zoology , Chinese Academy of Sciences, Beijing, China
| | - Zhen Zou
- 1 College of Life Sciences, University of Chinese Academy of Sciences , Beijing, China .,2 State Key Laboratory of Integrated Management of Pest Insects and Rodents, Institute of Zoology , Chinese Academy of Sciences, Beijing, China
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