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Wang L, Jiang Y, Zhao C. The effects of advanced glycation end-products on skin and potential anti-glycation strategies. Exp Dermatol 2024; 33:e15065. [PMID: 38563644 DOI: 10.1111/exd.15065] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2023] [Revised: 03/06/2024] [Accepted: 03/14/2024] [Indexed: 04/04/2024]
Abstract
The advanced glycation end-products (AGEs) are produced through non-enzymatic glycation between reducing sugars and free amino groups, such as proteins, lipids or nucleic acids. AGEs can enter the body through daily dietary intake and can also be generated internally via normal metabolism and external stimuli. AGEs bind to cell surface receptors for AGEs, triggering oxidative stress and inflammation responses that lead to skin ageing and various diseases. Evidence shows that AGEs contribute to skin dysfunction and ageing. This review introduces the basic information, the sources, the metabolism and absorption of AGEs. We also summarise the detrimental mechanisms of AGEs to skin ageing and other chronic diseases. For the potential strategies for counteracting AGEs to skin and other organs, we summarised the pathways that could be utilised to resist glycation. Chemical and natural-derived anti-glycation approaches are overviewed. This work offers an understanding of AGEs to skin ageing and other chronic diseases and may provide perspectives for the development of anti-glycation strategies.
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Affiliation(s)
- Lingyu Wang
- Beijing Qingyan Boshi Health Management Co., Ltd, Beijing, China
| | - Yanfei Jiang
- Beijing Qingyan Boshi Health Management Co., Ltd, Beijing, China
| | - Chunyue Zhao
- Beijing Qingyan Boshi Health Management Co., Ltd, Beijing, China
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Reurean-Pintilei D, Pantea Stoian A, Potcovaru CG, Salmen T, Cinteză D, Stoica RA, Lazăr S, Timar B. Skin Autofluorescence as a Potential Adjunctive Marker for Cardiovascular Risk Assessment in Type 2 Diabetes: A Systematic Review. Int J Mol Sci 2024; 25:3889. [PMID: 38612699 PMCID: PMC11012197 DOI: 10.3390/ijms25073889] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2024] [Revised: 03/23/2024] [Accepted: 03/29/2024] [Indexed: 04/14/2024] Open
Abstract
Diabetes mellitus (DM), due to its long-term hyperglycemia, leads to the accumulation of advanced glycation end-products (AGEs), especially in the vessel walls. Skin autofluorescence (SAF) is a non-invasive tool that measures AGEs. DM patients have a rich dietary source in AGEs, associated with high oxidative stress and long-term inflammation. AGEs represent a cardiovascular (CV) risk factor, and they are linked with CV events. Our objective was to assess whether SAF predicts future CV events (CVE) by examining its association with other CV risk factors in patients with type 2 DM (T2DM). Additionally, we assessed the strengths and limitations of SAF as a predictive tool for CVE. Following the Preferred Reporting Items for Systematic Reviews and Meta-Analyses methodology, we conducted a systematic review with CRD42024507397 protocol, focused on AGEs, T2DM, SAF, and CV risk. We identified seven studies from 2014 to 2024 that predominantly used the AGE Reader Diagnostic Optic tool. The collective number of patients involved is 8934, with an average age of 63. So, SAF is a valuable, non-invasive marker for evaluating CV risk in T2DM patients. It stands out as a CV risk factor associated independently with CVE. SAF levels are influenced by prolonged hyperglycemia, lifestyle, aging, and other chronic diseases such as depression, and it can be used as a predictive tool for CVE.
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Affiliation(s)
- Delia Reurean-Pintilei
- Doctoral School of Medicine and Pharmacy, “Victor Babes” University of Medicine and Pharmacy, 300041 Timisoara, Romania
- Centre for Molecular Research in Nephrology and Vascular Disease, “Victor Babes” University of Medicine and Pharmacy, 300041 Timisoara, Romania
- Department of Diabetes, Nutrition and Metabolic Diseases, Consultmed Medical Centre, 700544 Iasi, Romania
| | - Anca Pantea Stoian
- Diabetes, Nutrition and Metabolic Diseases Department, “Carol Davila” University of Medicine and Pharmacy, 050474 Bucharest, Romania
| | - Claudia-Gabriela Potcovaru
- 9th Department of Physical Medicine and Rehabilitation, “Carol Davila” University of Medicine and Pharmacy, 050474 Bucharest, Romania
| | - Teodor Salmen
- Doctoral School, “Carol Davila” University of Medicine and Pharmacy, 050474 Bucharest, Romania
| | - Delia Cinteză
- 9th Department of Physical Medicine and Rehabilitation, “Carol Davila” University of Medicine and Pharmacy, 050474 Bucharest, Romania
| | - Roxana-Adriana Stoica
- Doctoral School, “Carol Davila” University of Medicine and Pharmacy, 050474 Bucharest, Romania
| | - Sandra Lazăr
- Centre for Molecular Research in Nephrology and Vascular Disease, “Victor Babes” University of Medicine and Pharmacy, 300041 Timisoara, Romania
- First Department of Internal Medicine, “Victor Babes” University of Medicine and Pharmacy, 300041 Timisoara, Romania
- Department of Hematology, Emergency Municipal Hospital Timisoara, 300041 Timisoara, Romania
| | - Bogdan Timar
- Centre for Molecular Research in Nephrology and Vascular Disease, “Victor Babes” University of Medicine and Pharmacy, 300041 Timisoara, Romania
- Second Department of Internal Medicine, “Victor Babes” University of Medicine and Pharmacy, 300041 Timisoara, Romania
- Department of Diabetes, Nutrition and Metabolic Diseases, “Pius Brinzeu” Emergency Hospital, 300723 Timisoara, Romania
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Peppa Μ, Manta A. Sexual Dysfunction in Diabetic Patients: Τhe Role of Advanced Glycation End Products. Curr Diabetes Rev 2024; 20:e070423215531. [PMID: 37026501 DOI: 10.2174/1573399819666230407095522] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/22/2022] [Revised: 01/30/2023] [Accepted: 02/17/2023] [Indexed: 04/08/2023]
Abstract
Sexual dysfunction is a common but underestimated disorder of diabetic patients of both genders, entailing specific and complex pathogenesis and severely affecting reproductive health and quality of life. Hyperglycemia, dyslipidemia, hypertension, obesity, aging, and psychological factors underlie its pathogenesis. A large body of evidence indicates that advanced glycation end products and oxidative stress have a distinct impact on the pathogenesis of diabetes and its complications, including hypogonadism, which is closely related to sexual dysfunction. Advanced glycation end products seem to affect sexual function either directly by accumulation in various regions of the reproductive system and/or correlation or indirectly through oxidative stress induction via several mechanisms. They are also involved in the pathogenesis of diabetic complications, which are related to sexual dysfunction. Herein, we review the issue of sexual dysfunction in diabetic males and females, with special emphasis on the impact of advanced glycation end products in the pathogenesis of sexual dysfunction, the relationship of advanced glycation end products with low testosterone levels in diabetic subjects, which account for the proportion of disorder and the available therapeutic interventions.
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Affiliation(s)
- Μelpomeni Peppa
- Endocrine and Metabolic Disorders Unit, Second Propaedeutic Department of Internal Medicine, Research Institute and Diabetes Center, Attikon University Hospital, Athens, Greece
| | - Aspasia Manta
- Endocrine and Metabolic Disorders Unit, Second Propaedeutic Department of Internal Medicine, Research Institute and Diabetes Center, Attikon University Hospital, Athens, Greece
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Fujita N, Ishida M, Iwane T, Suganuma H, Matsumoto M, Hatakeyama S, Yoneyama T, Hashimoto Y, Mikami T, Itoh K, Ohyama C. Association between Advanced Glycation End-Products, Carotenoids, and Severe Erectile Dysfunction. World J Mens Health 2023:41.e17. [PMID: 36649922 DOI: 10.5534/wjmh.220154] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2022] [Revised: 09/16/2022] [Accepted: 10/06/2022] [Indexed: 01/18/2023] Open
Abstract
PURPOSE To investigate the association between skin advanced glycation end-products (AGEs) levels, blood antioxidative vitamin and carotenoid concentrations, and severe erectile dysfunction (ED) in community-dwelling men. MATERIALS AND METHODS This cross-sectional study used the 5-Item International Index of Erectile Function to identify 335 community-dwelling men with ED. The accumulation of skin AGEs was assessed noninvasively by measuring skin autofluorescence. Background-adjusted multivariable logistic regression analyses using the inverse probability of treatment weighting method were performed to evaluate the effects of AGEs, vitamins, and carotenoids on severe ED. Moreover, multiple linear regression analyses were performed to assess the association between skin AGEs levels and serum carotenoid concentrations. RESULTS The median age of study participants was 57 years. Of the 335 men, 289 (86.3%) and 46 (13.7%) were classified into the mild/moderate and severe ED groups, respectively. Multivariable analyses revealed that skin AGEs levels, blood vitamins C and E, lutein, zeaxanthin, β-cryptoxanthin, α-carotene, β-carotene, total lycopene, and cis-lycopenes concentrations were significantly associated with severe ED, whereas all-trans lycopene concentrations were not. In the multiple linear regression analyses, serum zeaxanthin concentrations were negatively and significantly correlated with skin AGEs levels. CONCLUSIONS Higher skin AGEs levels and lower blood antioxidative vitamin and carotenoid concentrations were significantly associated with severe ED. Serum zeaxanthin levels were negatively and significantly correlated with skin AGEs levels, suggesting the possible effects of zeaxanthin on ED by decreasing tissue AGEs levels.
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Affiliation(s)
- Naoki Fujita
- Department of Urology, Hirosaki University Graduate School of Medicine, Hirosaki, Japan.
| | - Mizuri Ishida
- Innovation Center for Health Promotion, Hirosaki University Graduate School of Medicine, Hirosaki, Japan
| | - Takuro Iwane
- Innovation Center for Health Promotion, Hirosaki University Graduate School of Medicine, Hirosaki, Japan
| | - Hiroyuki Suganuma
- Nature & Wellness Research Department, Innovation Division, KAGOME CO., LTD., Nagoya, Japan
| | - Mai Matsumoto
- Nature & Wellness Research Department, Innovation Division, KAGOME CO., LTD., Nagoya, Japan
| | - Shingo Hatakeyama
- Department of Advanced Blood Purification Therapy, Hirosaki University Graduate School of Medicine, Hirosaki, Japan
| | - Takahiro Yoneyama
- Department of Advanced Transplant and Regenerative Medicine, Hirosaki University Graduate School of Medicine, Hirosaki, Japan
| | - Yasuhiro Hashimoto
- Department of Urology, Hirosaki University Graduate School of Medicine, Hirosaki, Japan
| | - Tatsuya Mikami
- Innovation Center for Health Promotion, Hirosaki University Graduate School of Medicine, Hirosaki, Japan
| | - Ken Itoh
- Department of Stress Response Science, Center for Advanced Medical Science, Hirosaki University Graduate School of Medicine, Hirosaki, Japan
| | - Chikara Ohyama
- Department of Urology, Hirosaki University Graduate School of Medicine, Hirosaki, Japan.,Department of Advanced Blood Purification Therapy, Hirosaki University Graduate School of Medicine, Hirosaki, Japan.,Department of Advanced Transplant and Regenerative Medicine, Hirosaki University Graduate School of Medicine, Hirosaki, Japan
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Sakly R, Wolffenbuttel BHR, Khochtali I, Bouida W, Boubaker H, Nouira S, Abid S, Kerkeni M. Increased skin autofluorescence of advanced glycation end products (AGEs) in subjects with cardiovascular risk factors. Int J Diabetes Dev Ctries 2022. [DOI: 10.1007/s13410-022-01121-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/30/2022] Open
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Kamiński M, Kulecki M, Lachowski P, Kasprzak D, Kulczycka A, Kozłowska M, Klause D, Uruska A, Michalski M, Zozulińska-Ziółkiewicz D. Erectile Dysfunction in Individuals with Type 1 Diabetes is Associated with Long-term Metabolic Control and Diabetic Complications: A Cross-Sectional Study. Int J Angiol 2022; 31:97-106. [PMID: 35833179 PMCID: PMC9272316 DOI: 10.1055/s-0041-1735209] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023] Open
Abstract
Background Erectile dysfunction (ED) affects approximately 38% of individuals with type 1 diabetes (T1DM). Skin autofluorescence (AF) reflects skin advanced glycation end product (AGE) deposits and is a marker of long-term glycemia control. Objective The study investigates the relationship between ED and diabetes control in patients with T1DM. Methods Adult patients with T1DM visiting the Diabetology Department were cross-sectionally investigated. Medical history, anthropometric features, and laboratory findings were collected. All individuals filled the International Index of Erectile Function (IIEF-5). IIEF-5 total score < 22 represented the presence of ED. AF was measured on the volar aspect of the forearm using AGE Reader. Insulin resistance (IR) was assessed by the estimated glucose disposal rate. Descriptive statistics and multivariate logistic regression analyses were performed. The adjusted covariates were general risk factors of ED. Results Of a total of n = 70 patients, n = 30 (42.9%) suffered from ED. The presence of ED was associated with higher glycated hemoglobin level (OR, 95% CI; 1.62, 1.02-2.60; p = 0.043), presence of at least one diabetic complication (3.49, 1.10-11.03; p = 0.03), and skin AF (9.20, 1.60-52.94; p = 0.01), but not with IR (0.78, 0.57-2.60; p = 0.12). Skin AF values ≥ 2.2 indicates presence of ED with a sensitivity of 70.0% and a specificity of 77.5%. Area under the curve was equal to 0.72 (95% CI: 0.60-0.85). Conclusions The presence of ED in individuals with T1DM is associated with HbA1c, the presence of at least one diabetic complication, and skin AF.
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Affiliation(s)
- Mikołaj Kamiński
- Department of Internal Medicine and Diabetology, Poznan University of Medical Sciences, Poznań, Poland,Address for correspondence Mikołaj Kamiński, MD Department of Internal Medicine and Diabetology, Poznan University of Medical Sciencesul. Mickiewicza 2, 60-834 PoznańPoland
| | - Michał Kulecki
- Department of Internal Medicine and Diabetology, Poznan University of Medical Sciences, Poznań, Poland
| | - Paweł Lachowski
- Department of Internal Medicine and Diabetology, Poznan University of Medical Sciences, Poznań, Poland
| | - Dominika Kasprzak
- Department of Internal Medicine and Diabetology, Poznan University of Medical Sciences, Poznań, Poland
| | - Ania Kulczycka
- Department of Internal Medicine and Diabetology, Poznan University of Medical Sciences, Poznań, Poland
| | - Maria Kozłowska
- Department of Internal Medicine and Diabetology, Poznan University of Medical Sciences, Poznań, Poland
| | - Daria Klause
- Department of Internal Medicine and Diabetology, Poznan University of Medical Sciences, Poznań, Poland
| | - Aleksandra Uruska
- Department of Internal Medicine and Diabetology, Poznan University of Medical Sciences, Poznań, Poland
| | - Mateusz Michalski
- Department of Internal Medicine and Diabetology, Poznan University of Medical Sciences, Poznań, Poland
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Advanced Glycation End Products: New Clinical and Molecular Perspectives. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2021; 18:ijerph18147236. [PMID: 34299683 PMCID: PMC8306599 DOI: 10.3390/ijerph18147236] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/02/2021] [Revised: 06/30/2021] [Accepted: 07/03/2021] [Indexed: 12/17/2022]
Abstract
Diabetes mellitus (DM) is considered one of the most massive epidemics of the twenty-first century due to its high mortality rates caused mainly due to its complications; therefore, the early identification of such complications becomes a race against time to establish a prompt diagnosis. The research of complications of DM over the years has allowed the development of numerous alternatives for diagnosis. Among these emerge the quantification of advanced glycation end products (AGEs) given their increased levels due to chronic hyperglycemia, while also being related to the induction of different stress-associated cellular responses and proinflammatory mechanisms involved in the progression of chronic complications of DM. Additionally, the investigation for more valuable and safe techniques has led to developing a newer, noninvasive, and effective tool, termed skin fluorescence (SAF). Hence, this study aimed to establish an update about the molecular mechanisms induced by AGEs during the evolution of chronic complications of DM and describe the newer measurement techniques available, highlighting SAF as a possible tool to measure the risk of developing DM chronic complications.
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Guillon C, Ferraro S, Clément S, Bouschbacher M, Sigaudo-Roussel D, Bonod C. Glycation by glyoxal leads to profound changes in the behavior of dermal fibroblasts. BMJ Open Diabetes Res Care 2021; 9:9/1/e002091. [PMID: 33903117 PMCID: PMC8076933 DOI: 10.1136/bmjdrc-2020-002091] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/22/2020] [Revised: 03/17/2021] [Accepted: 03/21/2021] [Indexed: 12/23/2022] Open
Abstract
INTRODUCTION Diabetes is a worldwide health problem that is associated with severe complications. Advanced Glycation End products (AGEs) such as Nε-(carboxymethyl)lysine, which result from chronic hyperglycemia, accumulate in the skin of patients with diabetes. The effect of AGEs on fibroblast functionality and their impact on wound healing are still poorly understood. RESEARCH DESIGN AND METHODS To investigate this, we treated cultured human fibroblasts with 0.6 mM glyoxal to induce acute glycation. The behavior of fibroblasts was analyzed by time-lapse monolayer wounding healing assay, seahorse technology and atomic force microscopy. Production of extracellular matrix was studied by transmission electronic microscopy and western blot. Lipid metabolism was investigated by staining of lipid droplets (LDs) with BODIPY 493/503. RESULTS We found that the proliferative and migratory capacities of the cells were greatly reduced by glycation, which could be explained by an increase in fibroblast tensile strength. Measurement of the cellular energy balance did not indicate that there was a change in the rate of oxygen consumption of the fibroblasts. Assessment of collagen I revealed that glyoxal did not influence type I collagen secretion although it did disrupt collagen I maturation and it prevented its deposition in the extracellular matrix. We noted a pronounced increase in the number of LDs after glyoxal treatment. AMPK phosphorylation was reduced by glyoxal treatment but it was not responsible for the accumulation of LDs. CONCLUSION Glyoxal promotes a change in fibroblast behavior in favor of lipogenic activity that could be involved in delaying wound healing.
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Affiliation(s)
- Cécile Guillon
- Urgo Research Innovation and Development, Chenôve, France
- Université de Lyon, Université Claude Bernard Lyon 1, CNRS, LBTI UMR 5305, Lyon, France
| | - Sandra Ferraro
- Université de Lyon, Université Claude Bernard Lyon 1, CNRS, LBTI UMR 5305, Lyon, France
| | - Sophie Clément
- Urgo Research Innovation and Development, Chenôve, France
| | | | | | - Christelle Bonod
- Université de Lyon, Université Claude Bernard Lyon 1, CNRS, LBTI UMR 5305, Lyon, France
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Yang R, Liu C, Li Q, Wang W, Wu B, Chen A, Wang B, Li W, Chen J. Artificial intelligence based identification of the functional role of hirudin in diabetic erectile dysfunction treatment. Pharmacol Res 2021; 163:105244. [PMID: 33053440 DOI: 10.1016/j.phrs.2020.105244] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/24/2020] [Revised: 09/28/2020] [Accepted: 10/06/2020] [Indexed: 12/15/2022]
Abstract
Diabetic erectile dysfunction (DED) hugely affected the patients' sexual life quality. However, there are no satisfactory therapeutic methods and intervention targets for this subtype of erectile dysfunction (ED). Inspired by the clinical practice of traditional Chinese medicine (TCM), we found that hirudin, the main active ingredient in the leech, could ameliorate the ED symptoms of the DED mouse model. To further reveal the underlying mechanism of hirudin, we designed a novel strategy to discover potential targets based on the diagnostic system of TCM, and found that myeloperoxidase (MPO) was a promising target of hirudin. Hirudin directly interacts with MPO and inhibits its activity, thus further decreases the content of oxidized low-density lipoprotein (ox-LDL) in serum. Our results demonstrated that the hirudin could ameliorate the symptoms of DED, and revealed the underlying mechanism of hirudin in regulating the activity of MPO.
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Affiliation(s)
- Ruocong Yang
- School of Traditional Chinese Medicine, Beijing University of Chinese Medicine, 100029, China
| | - Chao Liu
- State Key Laboratory of Stem Cell and Reproductive Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing, 100101, China
| | - Qianqian Li
- School of Traditional Chinese Medicine, Beijing University of Chinese Medicine, 100029, China
| | - Weilu Wang
- School of Traditional Chinese Medicine, Beijing University of Chinese Medicine, 100029, China
| | - Bingbing Wu
- State Key Laboratory of Stem Cell and Reproductive Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing, 100101, China
| | - Aiping Chen
- School of Traditional Chinese Medicine, Beijing University of Chinese Medicine, 100029, China
| | - Bin Wang
- Department of Andrology, Dongzhimen Hospital, Beijing University of Chinese Medicine, Beijing, 100700, China.
| | - Wei Li
- State Key Laboratory of Stem Cell and Reproductive Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing, 100101, China.
| | - Jianxin Chen
- School of Traditional Chinese Medicine, Beijing University of Chinese Medicine, 100029, China.
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