1
|
S ingh S, Dhar R, Karmakar S. Fenofibrate mediated activation of PPARα negatively regulates trophoblast invasion. Placenta 2022; 126:140-149. [DOI: 10.1016/j.placenta.2022.05.015] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/09/2021] [Revised: 04/12/2022] [Accepted: 05/25/2022] [Indexed: 11/29/2022]
|
2
|
Du R, Bai Y, Li L. Biological networks in gestational diabetes mellitus: insights into the mechanism of crosstalk between long non-coding RNA and N 6-methyladenine modification. BMC Pregnancy Childbirth 2022; 22:384. [PMID: 35505296 PMCID: PMC9066898 DOI: 10.1186/s12884-022-04716-w] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2021] [Accepted: 04/28/2022] [Indexed: 12/24/2022] Open
Abstract
Background Gestational diabetes mellitus (GDM) is one of the most common complications of pregnancy. The mechanism underlying the crosstalk between long non-coding RNAs (lncRNAs) and N6-methyladenine (m6A) modification in GDM remain unclear. Methods We generated a lncRNA-mediated competitive endogenous RNA (ceRNA) network using comprehensive data from the Gene Expression Omnibus database, published data, and our preliminary findings. m6A-related lncRNAs were identified based on Pearson correlation coefficient (PCC) analysis using our previous profiles. An integrated pipeline was established to constructed a m6A-related subnetwork thereby predicting the potential effects of the m6A-related lncRNAs. Results The ceRNA network was composed of 16 lncRNAs, 17 microRNAs, 184 mRNAs, and 338 edges. Analysis with the Kyoto Encyclopedia of Genes and Genomes database demonstrated that genes in the ceRNA network were primarily involved in the development and adverse outcomes of GDM, such as those in the fatty acid-metabolism pathway, the peroxisome proliferator-activated receptor signaling pathway, and thyroid hormone signaling pathway. Four m6A-related lncRNAs were involved in the ceRNA network, including LINC00667, LINC01087, AP000350.6, and CARMN. The m6A-related subnetwork was generated based on these four lncRNAs, their ceRNAs, and their related m6A regulators. Genes in the subnetwork were enriched in certain GDM-associated hormone (thyroid hormone and oxytocin) signaling pathways. LINC00667 was positively correlated with an m6A “reader” (YTHDF3; PCC = 0.95) and exhibited the highest node degree in the ceRNA network. RIP assays showed that YTHDF3 directly bind LINC00667. We further found that MYC possessed the highest node degree in a protein–protein interaction network and competed with LINC00667 for miR-33a-5p. qPCR analysis indicated that LINC00667, YTHDF3 and MYC levels were upregulated in the GDM placentas, while miR-33a-5p was downregulated. In a support-vector machine classifier, an m6A-related module composed of LINC00667, YTHDF3, MYC, and miR-33a-5p showed excellent classifying power for GDM in both the training and the testing dataset, with an accuracy of 76.19 and 71.43%, respectively. Conclusions Our results shed insights into the potential role of m6A-related lncRNAs in GDM and have implications in terms of novel therapeutic targets for GDM. Supplementary Information The online version contains supplementary material available at 10.1186/s12884-022-04716-w.
Collapse
Affiliation(s)
- Runyu Du
- Department of Endocrinology, Shengjing Hospital of China Medical University, No. 36, Sanhao Street, Heping District, Shenyang, 110004, Liaoning, China
| | - Yu Bai
- Department of Endocrinology, Shengjing Hospital of China Medical University, No. 36, Sanhao Street, Heping District, Shenyang, 110004, Liaoning, China
| | - Ling Li
- Department of Endocrinology, Shengjing Hospital of China Medical University, No. 36, Sanhao Street, Heping District, Shenyang, 110004, Liaoning, China.
| |
Collapse
|
3
|
Xu Y, Zhang J, Hu Y, Li X, Sun L, Peng Y, Sun Y, Liu B, Bian Z, Rong Z. Single-cell transcriptome analysis reveals the dynamics of human immune cells during early fetal skin development. Cell Rep 2021; 36:109524. [PMID: 34380039 DOI: 10.1016/j.celrep.2021.109524] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2020] [Revised: 05/12/2021] [Accepted: 07/22/2021] [Indexed: 01/12/2023] Open
Abstract
The immune system of skin develops in stages in mice. However, the developmental dynamics of immune cells in human skin remains elusive. Here, we perform transcriptome profiling of CD45+ hematopoietic cells in human fetal skin at an estimated gestational age of 10-17 weeks by single-cell RNA sequencing. A total of 13 immune cell types are identified. Skin macrophages show dynamic heterogeneity over the course of skin development. A major shift in lymphoid cell developmental states occurs from the first to the second trimester that implies an in situ differentiation process. Gene expression analysis reveals a typical developmental program in immune cells in accordance with their functional maturation, possibly involving metabolic reprogramming. Finally, we identify transcription factors (TFs) that potentially regulate cellular transitions by comparing TFs and TF target gene networks. These findings provide detailed insight into how the immune system of the human skin is established during development.
Collapse
Affiliation(s)
- Yingping Xu
- Experimental Research Center, Dermatology Hospital, Southern Medical University, Guangzhou 510091, China.
| | - Jun Zhang
- Experimental Research Center, Dermatology Hospital, Southern Medical University, Guangzhou 510091, China
| | - Yongfei Hu
- Experimental Research Center, Dermatology Hospital, Southern Medical University, Guangzhou 510091, China
| | - Xuefei Li
- Experimental Research Center, Dermatology Hospital, Southern Medical University, Guangzhou 510091, China
| | - Lihua Sun
- Development of Gynaecology and Obstetrics, Nanhai Hospital, Southern Medical University, Guangzhou 528200, China
| | - Yu Peng
- Experimental Research Center, Dermatology Hospital, Southern Medical University, Guangzhou 510091, China
| | - Yuzhe Sun
- Experimental Research Center, Dermatology Hospital, Southern Medical University, Guangzhou 510091, China
| | - Bing Liu
- State Key Laboratory of Experimental Hematology, Fifth Medical Center of Chinese PLA General Hospital, Beijing 100071, China
| | - Zhilei Bian
- Department of Hematology, the First Affiliated Hospital of Zhengzhou University, Zhengzhou University, Zhengzhou 450052, China.
| | - Zhili Rong
- Experimental Research Center, Dermatology Hospital, Southern Medical University, Guangzhou 510091, China; Cancer Research Institute, School of Basic Medical Sciences, State Key Laboratory of Organ Failure Research, National Clinical Research Center of Kidney Disease, Key Laboratory of Organ Failure Research (Ministry of Education), Southern Medical University, Guangzhou 510515, China; Bioland Laboratory (Guangzhou Regenerative Medicine and Health Guangdong Laboratory), Guangzhou 510005, China.
| |
Collapse
|
4
|
García-Ricobaraza M, García-Bermúdez M, Torres-Espinola FJ, Segura Moreno MT, Bleyere MN, Díaz-Prieto LE, Nova E, Marcos A, Campoy C. Association study of rs1801282 PPARG gene polymorphism and immune cells and cytokine levels in a Spanish pregnant women cohort and their offspring. J Biomed Sci 2020; 27:101. [PMID: 33250050 PMCID: PMC7702670 DOI: 10.1186/s12929-020-00694-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2020] [Accepted: 11/12/2020] [Indexed: 12/20/2022] Open
Abstract
Background Peroxisome proliferator activated receptor gamma (PPARG) belongs to the nuclear receptor superfamily functioning as transcription factors to regulate cellular differentiation, development and metabolism. Moreover, it has been implicated in the regulation of lipid metabolism, as well as the maturation of monocytes/macrophages and the control of inflammatory reactions. The aim of this study was to evaluate the relationship between the Pro12Ala (rs1808212) PPARG gene polymorphism on immune molecular and cellular components in mothers and their offspring participating in the PREOBE study. Methods DNA from maternal venous blood samples at 24, 34 and 40 gestational weeks, plus cord blood samples was extracted. Pro12Ala PPARG polymorphism genotyping was performed, and immune system markers were analyzed by flow cytometry. Results Study findings revealed no effect of rs1808212 PPARG genotypes on innate immune parameters in mothers and their offspring; however, CD4 + /CD8 + ratio were decreased at 24 and 34 weeks in pregnant women carrying the CG (Pro12Ala) rs1808212 polymorphism, (p = 0,012 and p = 0,030; respectively). Only CD19 levels in peripheral blood were significantly higher at delivery in pregnant women carrying the CC (Pro12Pro) genotype (p ≤ 0.001). Moreover, there were statistically significant differences in leukocytes and neutrophils maternal levels at 34 weeks of gestation, being lower in carriers of Pro12Ala genotype (p = 0.028 and p = 0.031, respectively). Conclusions Results suggest that Pro12Ala PPARG polymorphism may have an effect on some cell and immune parameters in pregnant women during pregnancy and at time of delivery. However, newborn innate immune system does not seems to be influenced by PPARG Pro12Ala polymorphism in cord blood.
Collapse
Affiliation(s)
- Maria García-Ricobaraza
- Department of Paediatrics, School of Medicine, Universidad de Granada, Granada, Spain.,Instituto de Investigación Biosanitaria ibsGRANADA, Health Sciences Technological Park, Granada, Spain
| | - Mercedes García-Bermúdez
- Department of Paediatrics, School of Medicine, Universidad de Granada, Granada, Spain. .,Instituto de Investigación Biosanitaria ibsGRANADA, Health Sciences Technological Park, Granada, Spain.
| | - Francisco J Torres-Espinola
- Department of Paediatrics, School of Medicine, Universidad de Granada, Granada, Spain.,EURISTIKOS Excellence Centre for Paediatric Research, Universidad de Granada, Granada, Spain
| | - M Teresa Segura Moreno
- Department of Paediatrics, School of Medicine, Universidad de Granada, Granada, Spain.,Instituto de Investigación Biosanitaria ibsGRANADA, Health Sciences Technological Park, Granada, Spain
| | - Mathieu N Bleyere
- Department of Physiology, Haematology and Immunology, Nangui Abrogoua University, Abidjan, Côte d'Ivoire
| | - Ligia E Díaz-Prieto
- Institute of Food Science, Technology and Nutrition (ICTAN), CSIC, Madrid, Spain
| | - Esther Nova
- Institute of Food Science, Technology and Nutrition (ICTAN), CSIC, Madrid, Spain
| | - Ascensión Marcos
- Institute of Food Science, Technology and Nutrition (ICTAN), CSIC, Madrid, Spain
| | - Cristina Campoy
- Department of Paediatrics, School of Medicine, Universidad de Granada, Granada, Spain. .,Instituto de Investigación Biosanitaria ibsGRANADA, Health Sciences Technological Park, Granada, Spain. .,EURISTIKOS Excellence Centre for Paediatric Research, Universidad de Granada, Granada, Spain.
| |
Collapse
|
5
|
Yang C, Xiao X, Huang L, Zhou F, Chen LH, Zhao YY, Qu SL, Zhang C. Role of Kruppel-like factor 4 in atherosclerosis. Clin Chim Acta 2020; 512:135-141. [PMID: 33181148 DOI: 10.1016/j.cca.2020.11.002] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2020] [Revised: 10/29/2020] [Accepted: 11/02/2020] [Indexed: 01/13/2023]
Abstract
Atherosclerosis is one of the chronic progressive diseases, which is caused by vascular injury and promoted by the interaction of various inflammatory factors and inflammatory cells. In recent years, kruppel-like factor 4 (KLF4), a significant transcription factor that participated in cell growth, differentiation and proliferation, has been proved to cause substantial impacts on regulating cardiovascular disease. This paper will give a comprehensive summary to highlight KLF4 as a crucial regulator of foam cell formation, vascular smooth muscle cells (VSMCs) phenotypic transformation, macrophage polarization, endothelial cells inflammation, lymphocyte differentiation and cell proliferation in the process of atherosclerosis. Recent studies show that KLF4 may be an important "molecular switch" in the process of improving vascular injury and inflammation under harmful stimulation, suggesting that KLF4 is a latent disease biomarker for the therapeutic target of atherosclerosis and vascular disease.
Collapse
Affiliation(s)
- Chen Yang
- Institute of Cardiovascular Disease, Key Lab for Arteriosclerology of Hunan Province, Hengyang Medical College, University of South China, Hengyang, Hunan 421001, People's Republic of China
| | - Xuan Xiao
- Research Lab for Clinical & Translational Medicine, Hengyang Medical College, University of South China, Hengyang, Hunan 421001, People's Republic of China
| | - Liang Huang
- Research Lab for Clinical & Translational Medicine, Hengyang Medical College, University of South China, Hengyang, Hunan 421001, People's Republic of China
| | - Fan Zhou
- Institute of Cardiovascular Disease, Key Lab for Arteriosclerology of Hunan Province, Hengyang Medical College, University of South China, Hengyang, Hunan 421001, People's Republic of China
| | - Lin-Hui Chen
- Institute of Cardiovascular Disease, Key Lab for Arteriosclerology of Hunan Province, Hengyang Medical College, University of South China, Hengyang, Hunan 421001, People's Republic of China
| | - Yu-Yan Zhao
- Institute of Cardiovascular Disease, Key Lab for Arteriosclerology of Hunan Province, Hengyang Medical College, University of South China, Hengyang, Hunan 421001, People's Republic of China
| | - Shun-Lin Qu
- Institute of Cardiovascular Disease, Key Lab for Arteriosclerology of Hunan Province, Hengyang Medical College, University of South China, Hengyang, Hunan 421001, People's Republic of China
| | - Chi Zhang
- Institute of Cardiovascular Disease, Key Lab for Arteriosclerology of Hunan Province, Hengyang Medical College, University of South China, Hengyang, Hunan 421001, People's Republic of China.
| |
Collapse
|
6
|
Yu J, Berga SL, Zou W, Rajakumar A, Man M, Sidell N, Taylor RN. Human Endometrial Stromal Cell Differentiation is Stimulated by PPARβ/δ Activation: New Targets for Infertility? J Clin Endocrinol Metab 2020; 105:dgaa413. [PMID: 32594141 PMCID: PMC7373326 DOI: 10.1210/clinem/dgaa413] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/26/2020] [Accepted: 06/22/2020] [Indexed: 02/06/2023]
Abstract
CONTEXT Implantation is a reproductive bottleneck in women, regulated by fluctuations in ovarian steroid hormone concentrations. However, other nuclear receptor ligands are modifiers of endometrial differentiation leading to successful pregnancy. In the present study we analyzed the effects of peroxisome-proliferator-activated receptor β/δ (PPARβ/δ) activation on established cellular biomarkers of human endometrial differentiation (decidualization). OBJECTIVE The objective of this work is to test the effects of PPARβ/δ ligation on human endometrial cell differentiation. DESIGN Isolated primary human endometrial stromal cells (ESCs) were treated with synthetic (GW0742) or natural (all trans-retinoic acid, RA) ligands of PPARβ/δ, and also with receptor antagonists (GSK0660, PT-S58, and ST247) in the absence or presence of decidualizing hormones (10 nM estradiol, 100 nM progesterone, and 0.5 mM dibutyryl cAMP [3',5'-cyclic adenosine 5'-monophosphate]). In some cases interleukin (IL)-1β was used as an inflammatory stimulus. Time course and dose-response relationships were evaluated to determine effects on panels of well characterized in vitro biomarkers of decidualization. RESULTS PPARβ/δ, along with estrogen receptor α (ERα) and PR-A and PR-B, were expressed in human endometrial tissue and isolated ESCs. GW0742 treatment enhanced hormone-mediated ESC decidualization in vitro as manifested by upregulation of prolactin, insulin-like growth factor-binding protein 1, IL-11, and vascular endothelial growth factor (VEGF) secretion and also increased expression of ERα, PR-A and PR-B, and connexin 43 (Cx43). RA treatment also increased VEGF, ERα, PR-A, and PR-B and an active, nonphosphorylated isoform of Cx43. IL-1β and PPARβ/δ antagonists inhibited biomarkers of endometrial differentiation. CONCLUSION Ligands that activate PPARβ/δ augment the in vitro expression of biomarkers of ESC decidualization. By contrast, PPARβ/δ antagonists impaired decidualization markers. Drugs activating these receptors may have therapeutic benefits for embryonic implantation.
Collapse
Affiliation(s)
- Jie Yu
- Department of Obstetrics and Gynecology, Wake Forest School of Medicine, Winston-Salem, North Carolina, USA
| | - Sarah L Berga
- Department of Obstetrics and Gynecology, University of Utah School of Medicine, Salt Lake City, Utah, USA
| | - Wei Zou
- Department of Bioengineering, Hebei University of Science and Technology, Hebei, China
| | - Augustine Rajakumar
- Department of Gynecology and Obstetrics, Emory University School of Medicine, Atlanta, Georgia, USA
| | - Mingfei Man
- Department of Biology, University of North Carolina, Charlotte, North Carolina, USA
| | - Neil Sidell
- Department of Gynecology and Obstetrics, Emory University School of Medicine, Atlanta, Georgia, USA
| | - Robert N Taylor
- Department of Obstetrics and Gynecology, Wake Forest School of Medicine, Winston-Salem, North Carolina, USA
- Department of Obstetrics and Gynecology, University of Utah School of Medicine, Salt Lake City, Utah, USA
| |
Collapse
|
7
|
Ding X, Han X, Yuan H, Zhang Y, Gao Y. The Impact of PPARD and PPARG Polymorphisms on Glioma Risk and Prognosis. Sci Rep 2020; 10:5140. [PMID: 32198386 PMCID: PMC7083928 DOI: 10.1038/s41598-020-60996-2] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2019] [Accepted: 02/04/2020] [Indexed: 02/01/2023] Open
Abstract
Recent studies showed that peroxisome proliferator-activated receptors (PPARs) had effects on the progression of multiple tumors, but the role of PPARD and PPARG in glioma remains poorly understand. We conducted a case-control study to investigate the association of polymorphisms in PPARD and PPARG with glioma risk and prognosis in the Chinese Han population. Seven polymorphisms (PPARD: rs2016520, rs67056409, rs1053049 and rs2206030; PPARG: rs2920503, rs4073770 and rs1151988) were genotyped using the Agena MassARRAY system in 568 glioma patients and 509 healthy controls. The odd ratios (OR) and 95% confidence interval (CI) were calculated to assess the association of PPARD and PPARG polymorphisms with glioma risk. The Multifactor dimensionality reduction (MDR) method was used to analysis interactions of genetic polymorphisms on glioma risk. Then, we conducted log-rank test, Kaplan-Meier analysis and Cox regression model to evaluate the relationship of PPARD and PPARG polymorphisms with glioma prognosis. We found PPARD polymorphisms (rs2016520, rs67056409, rs1053049) were significantly associated with glioma risk in multiple models (P < 0.05). Stratified analysis showed rs2016520, rs67056409, rs1053049 of PPARD significantly decreased risk of glioma in the subgroup of age > 40 and astrocytoma (P < 0.05). For male, PPARD rs1053049 had a strong relationship with glioma risk in allele (P = 0.041), dominant (P = 0.040) and additive (P = 0.040) models. The effect of PPARG rs2920503 on glioma risk was related to glioma grade (P < 0.05). MDR showed that a seven-locus model was the best polymorphisms interaction pattern. Moreover, surgery and chemotherapy had strongly impact on overall survival and progression free survival of glioma patients. Our findings suggested that PPARD and PPARG polymorphisms were associated with glioma risk and prognosis in the Chinese Han population, and further studies are need to confirm our results.
Collapse
Affiliation(s)
- Xiaoying Ding
- Department of Anesthesia, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi, 710004, China
| | - Xinsheng Han
- Department of Anesthesia, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi, 710004, China
| | - Haozheng Yuan
- Department of Anesthesia, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi, 710004, China
| | - Yong Zhang
- Department of Anesthesia, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi, 710004, China
| | - Ya Gao
- Department of Pediatric Surgery, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi, 710004, China.
| |
Collapse
|
8
|
Zhang S, Jiang J, Chen Z, Wang Y, Tang W, Chen Y, Liu L. Relationship of PPARG, PPARGC1A, and PPARGC1B polymorphisms with susceptibility to hepatocellular carcinoma in an eastern Chinese Han population. Onco Targets Ther 2018; 11:4651-4660. [PMID: 30122956 PMCID: PMC6087028 DOI: 10.2147/ott.s168274] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Abstract
Background PPARG, PPARGC1A, and PPARGC1B polymorphisms may be implicated in the development of cancer. Participants and methods In this study, we selected PPARG rs1801282 C>G and rs3856806 C>T, PPARGC1A rs2970847 C>T, and PPARGC1B rs7732671 G>C and rs17572019 G>A single-nucleotide polymorphisms to explore the relationship between these polymorphisms and hepatocellular carcinoma (HCC) risk. A total of 584 HCC patients and 923 controls were enrolled. Results We found that PPARG rs1801282 C>G polymorphism was correlated with a decreased susceptibility of HCC (CG vs CC, adjusted OR 0.47, 95% CI 0.27-0.82, P=0.007; CG/GG vs CC, adjusted OR 0.52, 95% CI 0.31-0.88, P=0.015). However, PPARG rs3856806 C>T polymorphism was a risk factor for HCC (TT vs CC, adjusted OR 2.33, 95% CI 1.25-4.36, P=0.008; TT vs CT/CC, adjusted OR 2.26, 95% CI 1.22-4.17, P=0.010). In a subgroup analysis by chronic hepatitis B virus (HBV)-infection status, age, sex, alcohol use, and smoking status, a significant association between PPARG rs1801282 C>G polymorphism and a decreased risk of HCC in male, ≥53 years, never-smoking, never-drinking, and nonchronic HBV-infection-status subgroups was found. However, we found PPARG rs3856806 C>T polymorphism increased the risk of HCC in never-smoking, never-drinking, and nonchronic HBV-infection-status subgroups. Haplotype-comparison analysis indicated that Crs1801282Trs3856806Crs2970847Grs7732671Grs17572019, Crs1801282Trs3856806Trs2970847Grs7732671Grs17572019, and Crs1801282Crs3856806Crs2970847Crs7732671Ars17572019 haplotypes increased the risk of HCC. PPARG Crs1801282Trs3856806 and Grs1801282Crs3856806 haplotypes also influenced the risk of HCC. Conclusion In conclusion, our findings suggest PPARG polymorphisms may influence the susceptibility of HCC. The PPARG, PPARGC1A, and PPARGC1B haplotypes might be associated with HCC risk.
Collapse
Affiliation(s)
- Sheng Zhang
- Department of General Surgery, Changzhou Third People's Hospital, Changzhou, Jiangsu Province, China
| | - Jiakai Jiang
- Department of General Surgery, Changzhou Third People's Hospital, Changzhou, Jiangsu Province, China
| | - Zhan Chen
- Department of Thoracic Surgery, Fujian Medical University Union Hospital, Fuzhou, Fujian Province, China
| | - Yafeng Wang
- Department of Cardiology, People's Hospital of Xishuangbanna Dai Autonomous Prefecture, Jinghong, Yunnan Province, China
| | - Weifeng Tang
- Department of Cardiothoracic Surgery, Affiliated People's Hospital of Jiangsu University, Zhenjiang, Jiangsu Province, China
| | - Yu Chen
- Cancer Bio-immunotherapy Center, Fujian Cancer Hospital and Fujian Medical University Cancer Hospital, Fuzhou, Fujian Province, China, .,Department of Medical Oncology, Fujian Cancer Hospital and Fujian Medical University Cancer Hospital, Fuzhou, Fujian Province, China, .,Fujian Provincial Key Laboratory of Translational Cancer Medicine, Fuzhou, Fujian Province, China,
| | - Longgen Liu
- Department of Liver Disease, Changzhou Third People's Hospital, Changzhou, Jiangsu Province, China,
| |
Collapse
|
9
|
Kolben TM, Rogatsch E, Vattai A, Hester A, Kuhn C, Schmoeckel E, Mahner S, Jeschke U, Kolben T. PPARγ Expression Is Diminished in Macrophages of Recurrent Miscarriage Placentas. Int J Mol Sci 2018; 19:ijms19071872. [PMID: 29949879 PMCID: PMC6073463 DOI: 10.3390/ijms19071872] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2018] [Revised: 06/18/2018] [Accepted: 06/19/2018] [Indexed: 12/13/2022] Open
Abstract
PPARγ belongs to the group of nuclear receptors which is expressed in the trophoblast and together with other factors is responsible for the maintenance of pregnancy. Apart from that PPARγ is also a main factor for macrophage polarization. The aim of this study was to investigate the combined expression pattern and frequency of PPARγ under physiological circumstances and in spontaneous and recurrent miscarriages in the trophoblast and in maternal macrophages of the decidua. Human placental tissues of the first trimester (15 physiologic pregnancies, 15 spontaneous abortion and 16 recurrent miscarriage placentas) were analyzed for expression of the nuclear receptor PPARγ. Expression changes were evaluated by immunohistochemistry and real time PCR (RT-PCR) in trophoblast and in maternal macrophages of the decidua. Maternal macrophages were identified by double immunofluorescence using cluster of differentiation 68 (CD68) as marker for macrophages and further characterized regarding their M1/M2 polarization status. The intermediate villous trophoblast revealed a significantly lower PPARγ expression in spontaneous and recurrent abortion. Maternal macrophages express PPARγ. Their number is significantly enhanced in the decidua of spontaneous miscarriages whereas in recurrent miscarriages maternal macrophages seem to express PPARγ only in very few cases. PPARγ is associated with an M2 polarization state that is common for decidual macrophages. The lack of PPARγ in recurrent miscarriage decidual macrophages seems to be associated with a specific inflammatory response against the fetus.
Collapse
Affiliation(s)
- Theresa Maria Kolben
- Department of Obstetrics and Gynecology, University Hospital, LMU Munich, Marchioninistr. 15, 81377 Munich, Germany.
| | - Elisabeth Rogatsch
- Department of Obstetrics and Gynecology, University Hospital, LMU Munich, Marchioninistr. 15, 81377 Munich, Germany.
| | - Aurelia Vattai
- Department of Obstetrics and Gynecology, University Hospital, LMU Munich, Marchioninistr. 15, 81377 Munich, Germany.
| | - Anna Hester
- Department of Obstetrics and Gynecology, University Hospital, LMU Munich, Marchioninistr. 15, 81377 Munich, Germany.
| | - Christina Kuhn
- Department of Obstetrics and Gynecology, University Hospital, LMU Munich, Marchioninistr. 15, 81377 Munich, Germany.
| | - Elisa Schmoeckel
- Department of Pathology, LMU Munich, Marchioninistr. 27, 81377 Munich, Germany.
| | - Sven Mahner
- Department of Obstetrics and Gynecology, University Hospital, LMU Munich, Marchioninistr. 15, 81377 Munich, Germany.
| | - Udo Jeschke
- Department of Obstetrics and Gynecology, University Hospital, LMU Munich, Marchioninistr. 15, 81377 Munich, Germany.
| | - Thomas Kolben
- Department of Obstetrics and Gynecology, University Hospital, LMU Munich, Marchioninistr. 15, 81377 Munich, Germany.
| |
Collapse
|
10
|
Ye Y, Vattai A, Ditsch N, Kuhn C, Rahmeh M, Mahner S, Ripphahn M, Immler R, Sperandio M, Jeschke U, von Schönfeldt V. Prostaglandin E 2 receptor 3 signaling is induced in placentas with unexplained recurrent pregnancy losses. Endocr Connect 2018; 7:749-761. [PMID: 29700097 PMCID: PMC5958745 DOI: 10.1530/ec-18-0106] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/06/2018] [Accepted: 04/25/2018] [Indexed: 12/20/2022]
Abstract
Although an inflammatory microenvironment is required for successful implantation, an inflammatory overreaction is one of the causes of unexplained recurrent pregnancy losses (uRPL). Prostaglandin E2 (PGE2) plays a pivotal role in regulating immune balance during early pregnancy, and it can stimulate inflammatory reactions via prostaglandin E2 receptor 3 (EP3). However, the role of PGE2 receptor signaling in the uRPL remains unknown. We aimed to investigate whether EP3 signaling is involved in the mechanism of uRPL. Via immunohistochemistry we could show that the expression of cyclooxygenase-2, EP3 and G protein alpha inhibitor 1 (Gi1) was enhanced in the decidua of the uRPL group in comparison to the control group in first-trimester placentas. In vitro, we demonstrated that sulprostone (an EP1/EP3 agonist) inhibited the secretion of beta-hCG and progesterone in JEG-3 cells and the secretion of beta-hCG in HTR-8/SVneo cells while it induced the expression of plasminogen activator inhibitor type 1 in JEG-3 cells. In addition, PGE2/sulprostone was able to stimulate the expression of Gi1, phosphorylated-extracellular signal-regulated kinases 1/2 (p-ERK1/2) and p53. L-798,106 (an EP3-specific antagonist) suppressed the expression of EP3 and p-ERK1/2 without affecting the secretion of beta-hCG. Elevated activation of EP3 signaling in first-trimester placentas plays an important role in regulating the inflammatory microenvironment, the hormone secretion of extravillous trophoblasts and the remodeling of extracellular matrix in the fetal-maternal interface. L-798,106 might be a 'potential therapeutic candidate' for the treatment of uRPL.
Collapse
Affiliation(s)
- Yao Ye
- Department of Obstetrics and GynecologyUniversity Hospital, LMU Munich, Munich, Germany
| | - Aurelia Vattai
- Department of Obstetrics and GynecologyUniversity Hospital, LMU Munich, Munich, Germany
| | - Nina Ditsch
- Department of Obstetrics and GynecologyUniversity Hospital, LMU Munich, Munich, Germany
| | - Christina Kuhn
- Department of Obstetrics and GynecologyUniversity Hospital, LMU Munich, Munich, Germany
| | - Martina Rahmeh
- Department of Obstetrics and GynecologyUniversity Hospital, LMU Munich, Munich, Germany
| | - Sven Mahner
- Department of Obstetrics and GynecologyUniversity Hospital, LMU Munich, Munich, Germany
| | - Myriam Ripphahn
- Walter Brendel Centre of Experimental MedicineDepartment of Cardiovascular Physiology and Pathophysiology, Biomedical Center, Ludwig-Maximilians University of Munich, Munich, Germany
| | - Roland Immler
- Walter Brendel Centre of Experimental MedicineDepartment of Cardiovascular Physiology and Pathophysiology, Biomedical Center, Ludwig-Maximilians University of Munich, Munich, Germany
| | - Markus Sperandio
- Walter Brendel Centre of Experimental MedicineDepartment of Cardiovascular Physiology and Pathophysiology, Biomedical Center, Ludwig-Maximilians University of Munich, Munich, Germany
| | - Udo Jeschke
- Department of Obstetrics and GynecologyUniversity Hospital, LMU Munich, Munich, Germany
| | | |
Collapse
|
11
|
PPARG c.1347C>T polymorphism is associated with cancer susceptibility: from a case-control study to a meta-analysis. Oncotarget 2017; 8:102277-102290. [PMID: 29254243 PMCID: PMC5731953 DOI: 10.18632/oncotarget.20925] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2017] [Accepted: 08/27/2017] [Indexed: 12/19/2022] Open
Abstract
Recently, several studies suggested that PPARG c.1347C>T polymorphism was correlated with cancer risk. However, past results remained controversial. In this study, we performed a case-control study on the relationship of PPARG c.1347C>T polymorphism with risk of non-small cell lung cancer (NSCLC) and subsequently carried out a meta-analysis to further assess the association between PPARG c.1347C>T and overall cancer. In our case-control study, after adjusting by age, sex, body mass index (BMI), smoking and drinking, a tendency to increased NSCLC risk was noted (CT/TT vs. CC: adjusted OR, 1.21; 95% CI, 0.97–1.51; P = 0.097). In the meta-analysis, we found a significant association between PPARG c.1347C>T polymorphism and overall cancer risk (T vs. C: OR, 1.13; 95% CI, 1.03–1.23; P = 0.006; TT vs. CC: OR, 1.29; 95% CI, 1.07–1.56; P = 0.008, CT/TT vs. CC: OR, 1.11; 95% CI, 1.02–1.21; P = 0.014 and TT vs. CT/CC: OR, 1.26; 95% CI, 1.04–1.52; P = 0.016). In a subgroup analysis by ethnicity, evidence of significant association between PPARG c.1347C>T polymorphism and cancer risk was found among Asians and mixed populations. In a subgroup analysis by cancer type, PPARG c.1347C>T polymorphism was associated with risk of esophageal cancer and glioblastoma. In addition, in a subgroup analysis by origin of cancer cell, evidence of significant association between PPARG c.1347C>T polymorphism and cancer risk was also found among epithelial tumor. In conclusion, the findings indicate PPARG c.1347C>T polymorphism may increase the susceptibility of cancer.
Collapse
|
12
|
Moindjie H, Santos ED, Gouesse RJ, Swierkowski-Blanchard N, Serazin V, Barnea ER, Vialard F, Dieudonné MN. Preimplantation factor is an anti-apoptotic effector in human trophoblasts involving p53 signaling pathway. Cell Death Dis 2016; 7:e2504. [PMID: 27906186 PMCID: PMC5261002 DOI: 10.1038/cddis.2016.382] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2016] [Revised: 09/02/2016] [Accepted: 10/11/2016] [Indexed: 12/13/2022]
Abstract
From the earliest stages of gestation, embryonic-maternal interaction has a key role in a successful pregnancy. Various factors present during gestation may significantly influence this type of juxta/paracrine interaction. PreImplantation Factor (PIF) is a recently identified factor with activity at the fetomaternal interface. PIF is secreted by viable embryos and directly controls placental development by increasing the invasive capacity of human extravillous trophoblasts (EVTs). To further specify PIF's role in the human placenta, we analyzed the genome-wide expression profile of the EVT in the presence of a synthetic PIF analog (sPIF). We found that sPIF exposure altered several pathways related to p53 signaling, survival and the immune response. Functional assays revealed that sPIF acts through the p53 pathway to reduce both early and late trophoblast apoptosis. More precisely, sPIF (i) decreases the phosphorylation of p53 at Ser-15, (ii) enhances the B-cell lymphoma-2 (BCL2) expression and (iii) reduces the BCL2-associated X protein (BAX) and BCL2 homologous antagonist killer (BAK) mRNA expression levels. Furthermore, invalidation experiments of TP53 allowed us to demonstrate that PIF's effects on placental apoptosis seemed to be essentially mediated by this gene. We have clearly shown that p53 and sPIF pathways could interact in human trophoblast and thus promotes cell survival. Furthermore, sPIF was found to regulate a gene network related to immune tolerance in the EVT, which emphasizes the beneficial effect of this peptide on the human placenta. Finally, the PIF protein levels in placentas from pregnancies affected by preeclampsia or intra-uterine growth restriction were significantly lower than in gestational age-matched control placentas. Taken as a whole, our results suggest that sPIF protects the EVT's functional status through a variety of mechanisms. Clinical application of sPIF in the treatment of disorders of early pregnancy can be envisioned.
Collapse
Affiliation(s)
- Hadia Moindjie
- GIG-EA7404, Université de Versailles Saint-Quentin-en-Yvelines - Paris Saclay, Unité de Formation et de Recherche des Sciences de la Santé-Simone Veil, Montigny-le Bretonneux, France
| | - Esther Dos Santos
- GIG-EA7404, Université de Versailles Saint-Quentin-en-Yvelines - Paris Saclay, Unité de Formation et de Recherche des Sciences de la Santé-Simone Veil, Montigny-le Bretonneux, France.,Service de Biologie Médicale, Centre Hospitalier de Poissy-Saint Germain, Poissy, France
| | - Rita-Josiane Gouesse
- GIG-EA7404, Université de Versailles Saint-Quentin-en-Yvelines - Paris Saclay, Unité de Formation et de Recherche des Sciences de la Santé-Simone Veil, Montigny-le Bretonneux, France
| | - Nelly Swierkowski-Blanchard
- Département de Biologie de la Reproduction, Cytogénétique, Gynécologie et Obstétrique, Centre Hospitalier de Poissy-Saint Germain, Poissy, France
| | - Valérie Serazin
- GIG-EA7404, Université de Versailles Saint-Quentin-en-Yvelines - Paris Saclay, Unité de Formation et de Recherche des Sciences de la Santé-Simone Veil, Montigny-le Bretonneux, France.,Service de Biologie Médicale, Centre Hospitalier de Poissy-Saint Germain, Poissy, France
| | - Eytan R Barnea
- Society for the Investigation of Early Pregnancy, Cherry Hill, NJ, USA.,BioIncept, LLC, Cherry Hill, NJ, USA
| | - François Vialard
- GIG-EA7404, Université de Versailles Saint-Quentin-en-Yvelines - Paris Saclay, Unité de Formation et de Recherche des Sciences de la Santé-Simone Veil, Montigny-le Bretonneux, France.,Département de Biologie de la Reproduction, Cytogénétique, Gynécologie et Obstétrique, Centre Hospitalier de Poissy-Saint Germain, Poissy, France
| | - Marie-Noëlle Dieudonné
- GIG-EA7404, Université de Versailles Saint-Quentin-en-Yvelines - Paris Saclay, Unité de Formation et de Recherche des Sciences de la Santé-Simone Veil, Montigny-le Bretonneux, France
| |
Collapse
|
13
|
Knabl J, Vattai A, Hüttenbrenner R, Hutter S, Karsten M, Jeschke U. RXRα is upregulated in first trimester endometrial glands of spontaneous abortions unlike LXR and PPARγ. Eur J Histochem 2016; 60:2665. [PMID: 28076928 PMCID: PMC5134682 DOI: 10.4081/ejh.2016.2665] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2016] [Revised: 09/15/2016] [Accepted: 09/15/2016] [Indexed: 01/06/2023] Open
Abstract
Nuclear receptors are necessary for uterine invasion of the trophoblast and therefore important for maintaining a viable pregnancy. The aim of this study was to investigate the expression pattern and frequency of LXR, PPARγ and RXRα under physiological circumstances and in spontaneous abortions in endometrial glands and decidual tissue cells. A total of 28 (14 physiologic pregnancies/14 spontaneous abortion) human pregnancies in first trimester were analyzed for expression of the nuclear receptors LXR, RXRα and PPARγ. Expression changes were evaluated by immunohistochemistry in decidual tissue and endometrial glands of the decidua. RXRα expression was up-regulated in the endometrial glands of spontaneous abortion (P<0.015). Similar up regulation of RXRα was found in decidual tissue (P<0.05). LXR and PPARγ expression was unchanged in spontaneous abortion. By Correlation analysis we found a trend to positive correlation of LXR and PPARγ (Spearman correlation coefficient r=0.56, P=0.07) in endometrial glands. In decidual tissue, we found significant negative correlation in the control group, for the combination of RXRα and PPARγ (Spearman correlation coefficient r=0.913, P=0.03). Our data show that RXRα expression is increased in miscarriage in endometrial glands and correlation analysis showed that negative correlation between RXRα and PPARγ disappears in miscarriage. This shift is supposable responsible for the loss of regular function in trophoblast and embryonic tissue.
Collapse
Affiliation(s)
- J Knabl
- Department of Obstetrics and Gynecology, Ludwig-Maximilian-University Munich.
| | | | | | | | | | | |
Collapse
|
14
|
Wang Y, Chen Y, Jiang H, Tang W, Kang M, Liu T, Guo Z, Ma Z. Peroxisome proliferator-activated receptor gamma (PPARG) rs1801282 C>G polymorphism is associated with cancer susceptibility in asians: an updated meta-analysis. Int J Clin Exp Med 2015; 8:12661-12673. [PMID: 26550180 PMCID: PMC4612865] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2015] [Accepted: 08/06/2015] [Indexed: 06/05/2023]
Abstract
Peroxisome proliferator-activated receptor gamma (PPARG) is related to inflammation and plays an important role in the development of cancer. PPARG rs1801282 C>G polymorphism might influence the risk of cancer by regulating production of PPARG gene. Hence, a comprehensive meta-analysis was conducted to explore the association of PPARG rs1801282 C>G polymorphism with cancer susceptibility. An extensive search of PubMed and Embase databases for all relevant publications was carried out. A total of 38 publications with 16,844 cancer cases and 23,736 controls for PPARG rs1801282 C>G polymorphism were recruited in our study. Our results indicated that PPARG rs1801282 C>G variants were associated with an increased cancer risk in Asian populations and gastric cancer. In summary, the findings suggest that PPARG rs1801282 C>G polymorphism may play a crucial role in malignant transformation and the development of cancer.
Collapse
Affiliation(s)
- Yafeng Wang
- Department of Cardiology, The People’s Hospital of Xishuangbanna Dai Autonomous PrefectureJinghong, Yunnan Province, China
| | - Yu Chen
- Department of Medical Oncology, Fujian Provincial Cancer HospitalFuzhou, Fujian Province, China
| | - Heping Jiang
- Department of Emergency, Affiliated Jintan People’s Hospital of Jiangsu UniversityJintan, China
| | - Weifeng Tang
- Department of Thoracic Surgery, The Union Clinical Medical College of Fujian Medical UniversityFuzhou, Fujian Province, China
| | - Mingqiang Kang
- Department of Thoracic Surgery, The Union Clinical Medical College of Fujian Medical UniversityFuzhou, Fujian Province, China
| | - Tianyun Liu
- Department of Cardiology, The Second Clinical Medical College of Fujian Medical UniversityQuanzhou, Fujian Province, China
| | - Zengqing Guo
- Department of Medical Oncology, Fujian Provincial Cancer HospitalFuzhou, Fujian Province, China
| | - Zhiqiang Ma
- Department of Cardiothoracic Surgery, The People’s Hospital of Xishuangbanna Dai Autonomous PrefectureJinghong, Yunnan Province, China
| |
Collapse
|
15
|
Predieri B, Iughetti L, Guerranti C, Bruzzi P, Perra G, Focardi SE. High Levels of Perfluorooctane Sulfonate in Children at the Onset of Diabetes. Int J Endocrinol 2015; 2015:234358. [PMID: 26074959 PMCID: PMC4436505 DOI: 10.1155/2015/234358] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/05/2015] [Accepted: 04/23/2015] [Indexed: 01/22/2023] Open
Abstract
Background. Impairments of endocrine system may be associated with exposure to perfluorinated compounds that are able to bind nuclear receptors, including the peroxisome proliferator-activating receptors. Aim of this study was to assess perfluorooctane sulfonate and perfluorooctanoic acid concentrations in children and adolescents at the onset of type 1 diabetes compared to healthy controls. Methods. Forty-four children and adolescents were recruited and subdivided into two groups: (A) 25 subjects with type 1 diabetes and (B) 19 healthy controls. Perfluorinated compounds were measured using high performance liquid chromatography with electrospray ionization tandem mass spectrometry. Nonparametric statistical analysis was performed. Results. Perfluorooctane sulfonate concentrations were significantly higher in patients with type 1 diabetes compared to controls (1.53 ± 1.50 versus 0.55 ± 0.15 ng/mL, resp.; p < 0.001). Multivariate linear regression analysis identified lipid levels as significant predictive factors for perfluorooctane sulfonate levels. Conclusions. Our data suggests that higher serum levels of perfluorooctane sulfonate may be considered a biomarker of exposure and susceptibility to develop type 1 diabetes.
Collapse
Affiliation(s)
- Barbara Predieri
- Department of Medical and Surgical Sciences of the Mother, Children and Adults, University of Modena and Reggio Emilia, 41124 Modena, Italy
| | - Lorenzo Iughetti
- Department of Medical and Surgical Sciences of the Mother, Children and Adults, University of Modena and Reggio Emilia, 41124 Modena, Italy
- *Lorenzo Iughetti:
| | - Cristiana Guerranti
- Department of Environmental Sciences “G. Sarfatti”, University of Siena, 53100 Siena, Italy
| | - Patrizia Bruzzi
- Department of Medical and Surgical Sciences of the Mother, Children and Adults, University of Modena and Reggio Emilia, 41124 Modena, Italy
| | - Guido Perra
- Department of Environmental Sciences “G. Sarfatti”, University of Siena, 53100 Siena, Italy
| | - Silvano E. Focardi
- Department of Environmental Sciences “G. Sarfatti”, University of Siena, 53100 Siena, Italy
| |
Collapse
|
16
|
Zhang Y, Hu L, Cui Y, Qi Z, Huang X, Cai L, Zhang T, Yin Y, Lu Z, Xiang J. Roles of PPARγ/NF-κB signaling pathway in the pathogenesis of intrahepatic cholestasis of pregnancy. PLoS One 2014; 9:e87343. [PMID: 24489901 PMCID: PMC3906154 DOI: 10.1371/journal.pone.0087343] [Citation(s) in RCA: 41] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2013] [Accepted: 12/19/2013] [Indexed: 02/08/2023] Open
Abstract
Background Intrahepatic cholestasis of pregnancy (ICP) is the most prevalent pregnancy specific liver disease. However, the pathogenesis and etiology of ICP is poorly understood. Aim To assess the expression of peroxisome proliferator-activated receptorγ (PPARγ) and nuclear factor kappa B (NF-κB) in placenta and HTR-8/SVneo cell, and evaluate the serum levels of cytokines, bile acids, hepatic function and lipids in control and ICP patients and the fetal outcome, in order to explore the role of PPARγ/NF-κB signaling pathway in the possible mechanism of ICP. Methods Clinical data of the pregnant women were collected and serum levels of cytokines, bile acids, hepatic function and lipids were measured. Expressions of PPARγ and NF-κB in placenta and HTR-8/SVneo cell were determined. The new-born information was collected to demonstrate the relationship between PPARγ/NF-κB signaling pathway and ICP. Results The serum levels of bile acids, hepatic function, triglycerides (TG), total cholesterol (TC), IL-6, IL-12 and TNF-α in ICP group were significantly increased (P<0.01), and serum level of IL-4 was significantly decreased (P<0.01). PPARγ and NF-κB staining were found in the membrane and cytoplasm of placental trophoblast cell. The expression of PPARγ and NF-κB were significantly higher in ICP group and taurocholate acid (TCA) treated HTR-8/SVneo cell (P<0.01). The new-born information in severe ICP group were significantly different as compared to that in control group (P<0.05), and part of information in mild ICP group were also difference to that in control group (P<0.05). Conclusions The higher expressions of PPARγ and NF-κB in ICP placenta and TCA treated HTR-8/SVneo cell, together with the abnormal serum levels of cytokines, might induced by the imbalance of inflammatory and immune reaction, and then disturb placental bile acid and serum lipids transportation, finally result in fatal cholestasis which probably be one of the mechanism of ICP.
Collapse
Affiliation(s)
- Yan Zhang
- Department of Gynecology and Obstetrics, Wuxi Maternal and Child Health Hospital, the Affiliated Hospital of Nanjing Medical University, Wuxi, Jiangsu, China
- Department of Pharmacology, College of Pharmaceutical Sciences, Soochow University, Suzhou, Jiangsu, China
- * E-mail: (YZ); (JX)
| | - Lingqing Hu
- Department of Gynecology and Obstetrics, Wuxi Maternal and Child Health Hospital, the Affiliated Hospital of Nanjing Medical University, Wuxi, Jiangsu, China
| | - Yan Cui
- Department of Pharmacology, College of Pharmaceutical Sciences, Soochow University, Suzhou, Jiangsu, China
| | - Zhigang Qi
- Department of Pharmaceutical, Wuxi People’s Hospital, Wuxi, Jiangsu, China
| | - Xiaoping Huang
- Department of Gynecology and Obstetrics, Wuxi Maternal and Child Health Hospital, the Affiliated Hospital of Nanjing Medical University, Wuxi, Jiangsu, China
| | - Liyi Cai
- Department of Gynecology and Obstetrics, Wuxi Maternal and Child Health Hospital, the Affiliated Hospital of Nanjing Medical University, Wuxi, Jiangsu, China
| | - Ting Zhang
- Department of Gynecology and Obstetrics, Wuxi Maternal and Child Health Hospital, the Affiliated Hospital of Nanjing Medical University, Wuxi, Jiangsu, China
| | - Yongxiang Yin
- Department of Gynecology and Obstetrics, Wuxi Maternal and Child Health Hospital, the Affiliated Hospital of Nanjing Medical University, Wuxi, Jiangsu, China
| | - Zhiyi Lu
- Department of Obstetrics and Gynecology, Wuxi Hospital of Traditional Chinese Medicine, Wuxi, Jiangsu, China
| | - Jingying Xiang
- Department of Gynecology and Obstetrics, Wuxi Maternal and Child Health Hospital, the Affiliated Hospital of Nanjing Medical University, Wuxi, Jiangsu, China
- * E-mail: (YZ); (JX)
| |
Collapse
|