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Risi R, Vidal-Puig A, Bidault G. An adipocentric perspective of pancreatic lipotoxicity in diabetes pathogenesis. J Endocrinol 2024; 262:e230313. [PMID: 38642584 PMCID: PMC11227041 DOI: 10.1530/joe-23-0313] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/30/2023] [Accepted: 04/16/2024] [Indexed: 04/22/2024]
Abstract
Obesity and diabetes represent two increasing and invalidating public health issues that often coexist. It is acknowledged that fat mass excess predisposes to insulin resistance and type 2 diabetes mellitus (T2D), with the increasing incidence of the two diseases significantly associated. Moreover, emerging evidence suggests that obesity might also accelerate the appearance of type 1 diabetes (T1D), which is now a relatively frequent comorbidity in patients with obesity. It is a common clinical finding that not all patients with obesity will develop diabetes at the same level of adiposity, with gender, genetic, and ethnic factors playing an important role in defining the timing of diabetes appearance. The adipose tissue (AT) expandability hypothesis explains this paradigm, indicating that the individual capacity to appropriately store energy surplus in the form of fat within the AT determines and prevents the toxic deposition of lipids in other organs, such as the pancreas. Thus, we posit that when the maximal storing capacity of AT is exceeded, individuals will develop T2D. In this review, we provide insight into mechanisms by which the AT controls pancreas lipid content and homeostasis in case of obesity to offer an adipocentric perspective of pancreatic lipotoxicity in the pathogenesis of diabetes. Moreover, we suggest that improving AT function is a valid therapeutic approach to fighting obesity-associated complications including diabetes.
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Affiliation(s)
- Renata Risi
- Department of Experimental Medicine, Sapienza University of Rome, Sapienza University of Rome, Rome, Italy
- University of Cambridge Metabolic Research Laboratories, Wellcome Trust-MRC Institute of Metabolic Science, Cambridge, UK
| | - Antonio Vidal-Puig
- University of Cambridge Metabolic Research Laboratories, Wellcome Trust-MRC Institute of Metabolic Science, Cambridge, UK
- Cambridge University Nanjing Centre of Technology and Innovation, Nanjing, P. R. China
- Centro de Investigacion Principe Felipe, Valencia, Spain
| | - Guillaume Bidault
- University of Cambridge Metabolic Research Laboratories, Wellcome Trust-MRC Institute of Metabolic Science, Cambridge, UK
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Maranesi M, Palmioli E, Dall'Aglio C, Marini D, Anipchenko P, De Felice E, Scocco P, Mercati F. Resistin in endocrine pancreas of sheep: Presence and expression related to different diets. Gen Comp Endocrinol 2024; 348:114452. [PMID: 38246291 DOI: 10.1016/j.ygcen.2024.114452] [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: 10/05/2023] [Revised: 12/30/2023] [Accepted: 01/14/2024] [Indexed: 01/23/2024]
Abstract
Resistin (RETN), a recently discovered adipokine, is a cysteine-rich and secretory protein produced by adipocytes. RETN has been detected in several tissues, including human and laboratory animals' pancreas, wherein impairs glucose tolerance and insulin (INS) action and causes INS resistance. This study aims to evaluate the presence and expression of RETN in the pancreas of 15 adult female sheep reared on Apennine pastures, which show a decrease in their nutritional value due to the drought stress linked to the increasing summer aridity. The sheep were divided into 3 groups according to the diet they were subjected to: maximum pasture flowering (MxF) group, maximum pasture dryness (MxD) group, and experimental (Exp) group which received a feed supplementation in addition to the MxD group feeding. Immunohistochemistry and immunofluorescence were performed on formalin-fixed and paraffin-embedded sections of the pancreas to detect the RETN presence and to evaluate the co-localization of RETN with both glucagon (GCG)- and INS-producing cells. In addition, the expression of the three molecules was evaluated also in relation to different diets. RETN was observed only in the endocrine pancreas, showing a wide distribution throughout the pancreatic islets with few negative cells and the RETN producing cells colocalized with both α cells and ß cells. No differences in distribution and immunostaining intensity of RETN, GCG and INS were observed among the three groups. Quantitative PCR showed the expression of RETN, GCG and INS in all tested samples. No significant differences were observed for RETN and GCG among all three groups of sheep. Instead, a high statistically significant expression of INS was detected in the MxF group with respect to the Exp and MxD groups. These results highlight the localization of RETN in GCG- and INS-secreting cells involved in glucose homeostasis suggesting a modulatory role for RETN. Furthermore, the RETN expression is not influenced by food supplementation and thus is not affected by diet.
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Affiliation(s)
- Margherita Maranesi
- Department of Veterinary Medicine, University of Perugia, Via San Costanzo 4, 06126 Perugia, IT, Italy.
| | - Elisa Palmioli
- Department of Veterinary Medicine, University of Perugia, Via San Costanzo 4, 06126 Perugia, IT, Italy; Department of Philosophy, Social Sciences, and Education, PhD Course in "Ethics of Communication, Scientific Research and Technological Innovation" Medical-Health Curriculum, University of Perugia, Piazza G. Ermini, 1, 06123 Perugia, IT, Italy.
| | - Cecilia Dall'Aglio
- Department of Veterinary Medicine, University of Perugia, Via San Costanzo 4, 06126 Perugia, IT, Italy.
| | - Daniele Marini
- Department of Veterinary Medicine, University of Perugia, Via San Costanzo 4, 06126 Perugia, IT, Italy; Department of Organismal Biology, Evolutionary Biology Centre, Uppsala University, Norbyvägen 18A, 752 36 Uppsala, Sweden.
| | - Polina Anipchenko
- Department of Veterinary Medicine, University of Perugia, Via San Costanzo 4, 06126 Perugia, IT, Italy.
| | - Elena De Felice
- School of Biosciences and Veterinary Medicine, University of Camerino, Via Pontoni 5, 62032 Camerino, IT, Italy.
| | - Paola Scocco
- School of Biosciences and Veterinary Medicine, University of Camerino, Via Pontoni 5, 62032 Camerino, IT, Italy.
| | - Francesca Mercati
- Department of Veterinary Medicine, University of Perugia, Via San Costanzo 4, 06126 Perugia, IT, Italy.
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Biondi G, Marrano N, Borrelli A, Rella M, Palma G, Calderoni I, Siciliano E, Lops P, Giorgino F, Natalicchio A. Adipose Tissue Secretion Pattern Influences β-Cell Wellness in the Transition from Obesity to Type 2 Diabetes. Int J Mol Sci 2022; 23:ijms23105522. [PMID: 35628332 PMCID: PMC9143684 DOI: 10.3390/ijms23105522] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2022] [Revised: 05/11/2022] [Accepted: 05/13/2022] [Indexed: 12/10/2022] Open
Abstract
The dysregulation of the β-cell functional mass, which is a reduction in the number of β-cells and their ability to secure adequate insulin secretion, represents a key mechanistic factor leading to the onset of type 2 diabetes (T2D). Obesity is recognised as a leading cause of β-cell loss and dysfunction and a risk factor for T2D. The natural history of β-cell failure in obesity-induced T2D can be divided into three steps: (1) β-cell compensatory hyperplasia and insulin hypersecretion, (2) insulin secretory dysfunction, and (3) loss of β-cell mass. Adipose tissue (AT) secretes many hormones/cytokines (adipokines) and fatty acids that can directly influence β-cell function and viability. As this secretory pattern is altered in obese and diabetic patients, it is expected that the cross-talk between AT and pancreatic β-cells could drive the maintenance of the β-cell integrity under physiological conditions and contribute to the reduction in the β-cell functional mass in a dysmetabolic state. In the current review, we summarise the evidence of the ability of the AT secretome to influence each step of β-cell failure, and attempt to draw a timeline of the alterations in the adipokine secretion pattern in the transition from obesity to T2D that reflects the progressive deterioration of the β-cell functional mass.
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Kolodziejski PA, Sassek M, Bien J, Leciejewska N, Szczepankiewicz D, Szczepaniak B, Wojciechowska M, Nogowski L, Nowak KW, Strowski MZ, Pruszynska-Oszmalek E. FGF-1 modulates pancreatic β-cell functions/metabolism: An in vitro study. Gen Comp Endocrinol 2020; 294:113498. [PMID: 32360543 DOI: 10.1016/j.ygcen.2020.113498] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/22/2020] [Revised: 04/26/2020] [Accepted: 04/27/2020] [Indexed: 12/15/2022]
Abstract
Fibroblast growth factor 1 (FGF-1), also known as acidic fibroblast growth factor (aFGF), is a growth factor and signaling protein encoded by the Fgf1 gene. Previous studies have shown that FGF-1 may also participate in the regulation of glucose metabolism, both in healthy organisms and in pathological conditions such as diabetes. Because insulin the main regulator of glucose metabolism is secreted from pancreatic beta cells, we investigated whether FGF-1 directly affects the secretion of this hormone and regulates the metabolism of beta cells and isolated pancreatic islets. By using insulin-producing INS-1E cells and isolated pancreatic islets, we investigated the effect of FGF-1 on cell proliferation, viability, apoptosis, and insulin expression and secretion. Our study showed that FGF1 and fibroblast growth factor receptors (FgfRs: FgfR1, FgfR2, FgfR3, and FgfR4) are present on mRNA level in INS-1E cells and isolated rat pancreatic islets. We also proved that FGF1 stimulates the proliferation of INS-1E beta cells and enhances the viability of these cells and that of isolated pancreatic islet cells, and that ERK1/2 kinase is involved in the regulation of INS-1E cell proliferation. Moreover, we found that FGF1 can stimulate insulin secretion from both INS-1E cells and isolated rat pancreatic islets. Thus, the FGF1 peptide increases cell survival and decreases cell death. The obtained results indicate that FGF1 may play a role in controlling the physiology and metabolism of pancreatic beta cells as well as glycemia.
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Affiliation(s)
- Pawel A Kolodziejski
- Department of Animal Physiology, Biochemistry and Biostructure, Poznan University of Life Sciences, Wolynska Street 35, 60-637 Poznan, Poland
| | - Maciej Sassek
- Department of Animal Physiology, Biochemistry and Biostructure, Poznan University of Life Sciences, Wolynska Street 35, 60-637 Poznan, Poland.
| | - Jakub Bien
- Department of Animal Physiology, Biochemistry and Biostructure, Poznan University of Life Sciences, Wolynska Street 35, 60-637 Poznan, Poland
| | - Natalia Leciejewska
- Department of Animal Physiology, Biochemistry and Biostructure, Poznan University of Life Sciences, Wolynska Street 35, 60-637 Poznan, Poland
| | - Dawid Szczepankiewicz
- Department of Animal Physiology, Biochemistry and Biostructure, Poznan University of Life Sciences, Wolynska Street 35, 60-637 Poznan, Poland
| | - Beata Szczepaniak
- Department of Animal Physiology, Biochemistry and Biostructure, Poznan University of Life Sciences, Wolynska Street 35, 60-637 Poznan, Poland
| | | | - Leszek Nogowski
- Department of Animal Physiology, Biochemistry and Biostructure, Poznan University of Life Sciences, Wolynska Street 35, 60-637 Poznan, Poland
| | - Krzysztof W Nowak
- Department of Animal Physiology, Biochemistry and Biostructure, Poznan University of Life Sciences, Wolynska Street 35, 60-637 Poznan, Poland
| | - Mathias Z Strowski
- Department of Hepatology and Gastroenterology, Charité - University Medicine Berlin, 13353 Berlin, Germany; Department of Internal Medicine - Gastroenterology, Park-Klinik Weissensee, 13086 Berlin, Germany
| | - Ewa Pruszynska-Oszmalek
- Department of Animal Physiology, Biochemistry and Biostructure, Poznan University of Life Sciences, Wolynska Street 35, 60-637 Poznan, Poland
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Shen L, Zhu Y, Xiao J, Qian B, You L, Zhang Y, Yu S, Zong X, Cao S. Serum adipokines play different roles in type I and II ketosis. ASIAN-AUSTRALASIAN JOURNAL OF ANIMAL SCIENCES 2019; 33:1930-1939. [PMID: 32054179 PMCID: PMC7649395 DOI: 10.5713/ajas.19.0728] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/14/2019] [Accepted: 11/25/2019] [Indexed: 11/27/2022]
Abstract
Objective This study was conducted to investigate the differences in several serum adipokines in perinatal dairy cows with type I and II ketosis, and the correlations between these adipokines and the two types of ketosis. Methods Serum adiponectin (ADP), leptin (LEP), resistin, tumor necrosis factor-α (TNF-α), and interleukin-6 (IL-6) levels, and energy balance indicators related to ketosis were measured. Type I and II ketosis were distinguished by serum glucose (Glu) and Y values and the correlations between adipokines in the two types of ketosis were analyzed. Results β-Hydroxybutyric acid of type I ketosis cows was significantly negatively correlated with insulin (INS) and LEP and had a significant positive correlation with serum ADP. In type II ketosis cows, ADP and LEP were significantly negatively correlated, and INS and resistin were significantly positively correlated. Revised quantitative INS sensitivity check index (RQUICKI) values had a significantly positive correlation with ADP and had a very significant and significant negative correlation with resistin, TNF-α, and IL-6. ADP was significantly negatively correlated with resistin and TNF-α, LEP had a significantly positive correlation with TNF-α, and a significantly positive correlation was shown among resistin, IL-6, and TNF-α. There was also a significant positive correlation between IL-6 and TNF-α. Conclusion INS, ADP, and LEP might exert biological influences to help the body recover from negative energy balance, whereas resistin, TNF-α, and IL-6 in type II ketosis cows exacerbated INS resistance and inhibited the production and secretion of ADP, weakened INS sensitivity, and liver protection function, and aggravated ketosis.
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Affiliation(s)
- Liuhong Shen
- Department of Clinical Veterinary Medicine, Veterinary Medicine College, Sichuan Agricultural University, Chengdu 611130, China
| | - Yingkun Zhu
- Department of Clinical Veterinary Medicine, Veterinary Medicine College, Sichuan Agricultural University, Chengdu 611130, China
| | - Jinbang Xiao
- Department of Clinical Veterinary Medicine, Veterinary Medicine College, Sichuan Agricultural University, Chengdu 611130, China
| | - Bolin Qian
- Department of Clinical Veterinary Medicine, Veterinary Medicine College, Sichuan Agricultural University, Chengdu 611130, China
| | - Liuchao You
- Department of Clinical Veterinary Medicine, Veterinary Medicine College, Sichuan Agricultural University, Chengdu 611130, China
| | - Yue Zhang
- Department of Clinical Veterinary Medicine, Veterinary Medicine College, Sichuan Agricultural University, Chengdu 611130, China
| | - Shumin Yu
- Department of Clinical Veterinary Medicine, Veterinary Medicine College, Sichuan Agricultural University, Chengdu 611130, China
| | - Xiaolan Zong
- Department of Clinical Veterinary Medicine, Veterinary Medicine College, Sichuan Agricultural University, Chengdu 611130, China
| | - Suizhong Cao
- Department of Clinical Veterinary Medicine, Veterinary Medicine College, Sichuan Agricultural University, Chengdu 611130, China
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Takashima S, Nishii N, Kobatake Y, Kiyosue M, Kimura S, Kitagawa H. Concentrations of leptin, adiponectin, and resistin in the serum of obese cats during weight loss. J Vet Med Sci 2019; 81:1294-1300. [PMID: 31366817 PMCID: PMC6785622 DOI: 10.1292/jvms.19-0091] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023] Open
Abstract
We monitored changes in serum leptin, adiponectin, and resistin concentrations in obese cats during weight loss. Six naturally developed obese cats were fed low-fat, high-fiber dry food
during a 9-week experimental period. Serum leptin, adiponectin, and resistin concentrations were measured at week 0, 4, 8, and 9. Body weight became significantly lower week 4 onward than
that at week 0 (P<0.05 or 0.01). At week 9, serum leptin concentrations were significantly lower than those at week 0 (P<0.05). Contrarily, serum
adiponectin and resistin concentrations did not significantly differ within the 9 weeks. While serum leptin levels were strongly positively correlated with body weight
(r=0.923, P<0.001), serum adiponectin levels were moderately negatively correlated with it (r=−0.529, P<0.01), with
serum resistin having a no correlation with body weight. Serum leptin levels might be more closely related with pathogenesis of adiposity than serum adiponectin or resistin in cats.
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Affiliation(s)
- Satoshi Takashima
- Joint Department of Veterinary Medicine, Faculty of Applied Biological Sciences, Gifu University, 1-1 Yanagido, Gifu 501-1193, Japan
| | - Naohito Nishii
- Joint Department of Veterinary Medicine, Faculty of Applied Biological Sciences, Gifu University, 1-1 Yanagido, Gifu 501-1193, Japan
| | - Yui Kobatake
- Joint Department of Veterinary Medicine, Faculty of Applied Biological Sciences, Gifu University, 1-1 Yanagido, Gifu 501-1193, Japan
| | - Masaharu Kiyosue
- Nisshin Pet Food Inc., 1-25 Kanda Nishiki-cho, Chiyoda-ku, Tokyo 101-8441, Japan
| | - Seiji Kimura
- Nisshin Pet Food Inc., 1-25 Kanda Nishiki-cho, Chiyoda-ku, Tokyo 101-8441, Japan
| | - Hitoshi Kitagawa
- Department of Veterinary Medicine, Faculty of Veterinary Medicine, Okayama University of Science, 1-3 Ikoi-no-oka, Imabari, Ehime 794-8555, Japan
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Sassek M, Kolodziejski PA, Szczepankiewicz D, Pruszynska-Oszmalek E. Spexin in the physiology of pancreatic islets-mutual interactions with insulin. Endocrine 2019; 63:513-519. [PMID: 30267353 DOI: 10.1007/s12020-018-1766-2] [Citation(s) in RCA: 32] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/20/2018] [Accepted: 09/15/2018] [Indexed: 11/28/2022]
Abstract
Spexin is an interesting peptide, which may play an important role in the regulation of the metabolic homeostasis of an organism. Current knowledge on spexin expression, secretion, and influence on tissues and endocrine glands is very limited. We investigated spexin localization in the endocrine pancreas and measured its in vitro secretion from isolated pancreatic islets at various glucose concentrations, simultaneously monitoring insulin release. Also, gene expression for spexin and insulin was estimated. We found the presence of spexin inside beta cells and an increase in its release from islets after a short term and decrease after a long term following glucose administration. Finally, negative feedback loops between spexin and insulin were found, indicating the presence of multilateral relationships between glucose, insulin, and spexin inside pancreatic islets.
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Affiliation(s)
- Maciej Sassek
- Department of Animal Physiology and Biochemistry, Poznan University of Life Sciences, Wolynska street 35, 60-637, Poznan, Poland
| | - Pawel A Kolodziejski
- Department of Animal Physiology and Biochemistry, Poznan University of Life Sciences, Wolynska street 35, 60-637, Poznan, Poland.
| | - Dawid Szczepankiewicz
- Department of Animal Physiology and Biochemistry, Poznan University of Life Sciences, Wolynska street 35, 60-637, Poznan, Poland
| | - Ewa Pruszynska-Oszmalek
- Department of Animal Physiology and Biochemistry, Poznan University of Life Sciences, Wolynska street 35, 60-637, Poznan, Poland
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Yang S, Si L, Fan L, Jian W, Pei H, Lin R. Polysaccharide IV from Lycium barbarum L. Improves Lipid Profiles of Gestational Diabetes Mellitus of Pregnancy by Upregulating ABCA1 and Downregulating Sterol Regulatory Element-Binding Transcription 1 via miR-33. Front Endocrinol (Lausanne) 2018; 9:49. [PMID: 29527188 PMCID: PMC5829030 DOI: 10.3389/fendo.2018.00049] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/05/2017] [Accepted: 02/05/2018] [Indexed: 01/24/2023] Open
Abstract
Lycium barbarum L. (LBL) has beneficial effects on gestational diabetes mellitus (GDM) but the related mechanism remains unclear. Polysaccharides of LBL (LBLP) are the main bioactive components of LBL. miR-33, ATP-binding cassette transporter A1 (ABCA1) and sterol regulatory element-binding transcription 1 (SREBF1) affect lipid profiles, which are associated with GDM risk. LBLP may exert protective against GDM by affecting these molecules. Four LBLP fractions: LBLP-I, LBLP-II, LBLP-III, and LBLP-IV were isolated from LBL and further purified by using DEAE-Sephadex column. The effects of purified each fraction on pancreatic beta cells were comparatively evaluated. A total of 158 GDM patients were recruited and randomly divided into LBL group (LG) and placebo group (CG). miR-33 levels, lipid profiles, insulin resistance and secretory functions were measured. The association between serum miR-33 levels and lipid profiles were evaluated by using Spearman's rank-order correlation test. After 4-week therapy, LBL reduced miR-33 level, insulin resistance and increased insulin secretion of GDM patients. LBL increased the levels of ABCA1, high-density lipoprotein cholesterol (HDL-C) and reduced miR-33, SREBF1, low-density lipoprotein cholesterol (LDL-C), total cholesterol (TC), triglyceride (TG), and malondialdehyde. Homeostatic model assessment of β-cell function and insulin resistance was lower in LG than in CG, whereas homeostatic model assessment of β-cell function and insulin secretory function was higher in LG than in CG. There was a strong positive association between miR-33 level and TG, or TC and or LDL-C, and a strong negative association between miR-33 level and HDL-C. The levels of miR-33 had negative relation with ABCA1 and positive relation with SREBF1. ABCA1 has negative relation with TG, TC, and LDL-C and positive relation with HDL-C. Inversely, SREBF1 had positive relation with TG, TC, and LDL-C and negative relation with HDL-C. The main bioactive compound LBLP-IV of LBL increased insulin secretion of beta cells and the levels of ABCA1, and reduced miR-33 levels and SREBF1 in beta cells. However, LBLP-IV could not change the levels of these molecules anymore when miR-33 was overexpressed or silenced. LBLP-IV had the similar effects with LBL on beta cells while other components had no such effects. Thus, LBLP-IV from LBL improves lipid profiles by upregulating ABCA1 and downregulating SREBF1 via miR-33.
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Affiliation(s)
- Shuli Yang
- Department of Gynecology and Obstetrics, The Second Hospital of Jilin University, Changchun, China
| | - Lihui Si
- Department of Gynecology and Obstetrics, The Second Hospital of Jilin University, Changchun, China
| | - Limei Fan
- Department of Gynecology and Obstetrics, The Second Hospital of Jilin University, Changchun, China
| | - Wenwen Jian
- Department of Gynecology and Obstetrics, The Second Hospital of Jilin University, Changchun, China
| | - Huilin Pei
- Department of Gynecology and Obstetrics, The Second Hospital of Jilin University, Changchun, China
| | - Ruixin Lin
- Department of Hepatobiliary and Pancreatic Surgery, The Second Hospital of Jilin University, Changchun, China
- *Correspondence: Ruixin Lin,
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