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Mousa H, Al Saei A, Razali RM, Zughaier SM. Vitamin D status affects proteomic profile of HDL-associated proteins and inflammatory mediators in dyslipidemia. J Nutr Biochem 2024; 123:109472. [PMID: 37863441 DOI: 10.1016/j.jnutbio.2023.109472] [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: 11/03/2022] [Revised: 10/02/2023] [Accepted: 10/05/2023] [Indexed: 10/22/2023]
Abstract
Vitamin D deficiency and dyslipidemia have substantial implications for human health globally. Vitamin D is essential for bone metabolism and immune modulation, and its insufficiency is linked to various chronic inflammatory conditions. Dyslipidemia, characterized by low levels of high-density lipoprotein (HDL) and elevated levels of low-density lipoprotein (LDL) and triglycerides, is also prevalent. Previous research has shown a connection between vitamin D deficiency and low HDL, but the precise mechanism by which vitamin D influences HDL production and its anti-inflammatory properties remains unclear. This study aimed to investigate the proteomic profiles of individuals with and without vitamin D deficiency and dyslipidemia, specifically focusing on the effects of vitamin D on HDL production, its anti-inflammatory potential, and the molecular pathways associated with vitamin D deficiency and dyslipidemia, particularly inflammation and cancer pathways. By analyzing the proteomic profiles of 274 participants from the Qatar Biobank database, we identified 1301 proteins. Our findings indicated a decrease in HDL-associated apolipoproteins (ApoM and ApoD) in individuals with both dyslipidemia and vitamin D deficiency. Conversely, participants with these conditions exhibited increased expression of acute-phase proteins (SAA1 and SOD1), which are associated with inflammation. Pathway enrichment analysis revealed heightened inflammatory activity in individuals with vitamin D deficiency and dyslipidemia, with notable enrichments in pathways such as MAPK, JAK-STAT, Ras signaling, cytokine-cytokine receptor interaction, AGE-RAGE, ErbB signaling, and cancer pathways. Overall, cases of vitamin D deficiency showed enrichment in inflammation pathways, while individuals with both vitamin D deficiency and dyslipidemia demonstrated enhanced activation of cancer and inflammation pathways.
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Affiliation(s)
- Hanaa Mousa
- Department of Basic Medical Sciences, College of Medicine, QU Health, Qatar University, Doha, Qatar
| | - Aisha Al Saei
- Department of Basic Medical Sciences, College of Medicine, QU Health, Qatar University, Doha, Qatar
| | - Rozaimi Mohamad Razali
- Department of Biomedical Sciences College of Medicine, QU Health, Qatar University, Doha, Qatar
| | - Susu M Zughaier
- Department of Basic Medical Sciences, College of Medicine, QU Health, Qatar University, Doha, Qatar.
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2
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Muendlein A, Heinzle C, Brandtner EM, Leiherer A, Geiger K, Gaenger S, Drexel H, Dechow T, Decker T. Plasma apolipoprotein M predicts overall survival in metastatic breast cancer patients. Breast Cancer Res Treat 2023; 201:571-576. [PMID: 37490173 DOI: 10.1007/s10549-023-07045-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2023] [Accepted: 07/07/2023] [Indexed: 07/26/2023]
Abstract
PURPOSE Apolipoprotein M (APOM) is a plasma apolipoprotein closely involved with lipid metabolism and inflammation. In vitro studies suggest that APOM may also have a tumor-suppressive role in breast cancer. In the present study, we aimed to evaluate the impact of plasma APOM levels on the prognosis of breast cancer patients. METHODS We measured APOM levels using an enzyme-linked immunosorbent assay in 75 patients with ER-positive/HER2-negative metastatic breast cancer. The endpoint was overall survival (OS) at 24 months. RESULTS During the 24-month follow-up period, 34.7% of the patients died. Baseline APOM levels were significantly reduced in patients who deceased during follow-up compared to survivors (42.7 ± 14.5 µg/mL versus 52.2 ± 13.8 µg/mL; P = 0.003). Cox regression analysis showed a hazard ratio of 0.30 [95% confidence interval 0.15-0.61]; P < 0.001 per doubling of APOM levels. Correction for age, C-reactive protein, menopausal state, histology of the primary tumor, metastatic site, number of metastases, endocrine resistance, scheduled therapy line, and kind of scheduled therapy indicated that circulating APOM predicted OS independently of these parameters (HRper doubling = 0.23 [0.09-0.56; P = 0.001). CONCLUSIONS Our study suggests that circulating APOM is significantly linked with reduced mortality in metastatic breast cancer patients.
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Affiliation(s)
- Axel Muendlein
- Vorarlberg Institute for Vascular Investigation and Treatment Laboratory, Stadtstrasse 33, 6850, Dornbirn, Austria.
| | - Christine Heinzle
- Vorarlberg Institute for Vascular Investigation and Treatment Laboratory, Stadtstrasse 33, 6850, Dornbirn, Austria
- Medical Central Laboratories, Feldkirch, Austria
| | - Eva Maria Brandtner
- Vorarlberg Institute for Vascular Investigation and Treatment Laboratory, Stadtstrasse 33, 6850, Dornbirn, Austria
| | - Andreas Leiherer
- Vorarlberg Institute for Vascular Investigation and Treatment Laboratory, Stadtstrasse 33, 6850, Dornbirn, Austria
- Medical Central Laboratories, Feldkirch, Austria
| | - Kathrin Geiger
- Vorarlberg Institute for Vascular Investigation and Treatment Laboratory, Stadtstrasse 33, 6850, Dornbirn, Austria
- Medical Central Laboratories, Feldkirch, Austria
| | - Stella Gaenger
- Vorarlberg Institute for Vascular Investigation and Treatment Laboratory, Stadtstrasse 33, 6850, Dornbirn, Austria
| | - Heinz Drexel
- Vorarlberg Institute for Vascular Investigation and Treatment Laboratory, Stadtstrasse 33, 6850, Dornbirn, Austria
- Drexel University College of Medicine, Philadelphia, PA, USA
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3
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He Y, Chen J, Ma Y, Chen H. Apolipoproteins: New players in cancers. Front Pharmacol 2022; 13:1051280. [PMID: 36506554 PMCID: PMC9732396 DOI: 10.3389/fphar.2022.1051280] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2022] [Accepted: 11/15/2022] [Indexed: 11/26/2022] Open
Abstract
Apolipoproteins (APOs), the primary protein moiety of lipoproteins, are known for their crucial role in lipid traffic and metabolism. Despite extensive exploration of APOs in cardiovascular diseases, their roles in cancers did not attract enough attention. Recently, research focusing on the roles of APOs in cancers has flourished. Multiple studies demonstrate the interaction of APOs with classical pathways of tumorigenesis. Besides, the dysregulation of APOs may indicate cancer occurrence and progression, thus serving as potential biomarkers for cancer patients. Herein, we summarize the mechanisms of APOs involved in the development of various cancers, their applications as cancer biomarkers and their genetic polymorphism associated with cancer risk. Additionally, we also discuss the potential anti-cancer therapies by virtue of APOs. The comprehensive review of APOs in cancers may advance the understanding of the roles of APOs in cancers and their potential mechanisms. We hope that it will provide novel clues and new therapeutic strategies for cancers.
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Affiliation(s)
- Yingcheng He
- Department of Histology and Embryology, Medical College of Nanchang University, Nanchang, Jiangxi, China,Medical Department, Queen Mary School, Nanchang University, Nanchang, Jiangxi, China
| | - Jianrui Chen
- Department of Histology and Embryology, Medical College of Nanchang University, Nanchang, Jiangxi, China,Medical Department, Queen Mary School, Nanchang University, Nanchang, Jiangxi, China
| | - Yanbing Ma
- Department of Histology and Embryology, Medical College of Nanchang University, Nanchang, Jiangxi, China,Medical Department, Queen Mary School, Nanchang University, Nanchang, Jiangxi, China
| | - Hongping Chen
- Department of Histology and Embryology, Medical College of Nanchang University, Nanchang, Jiangxi, China,Jiangxi Key Laboratory of Experimental Animals, Nanchang University, Nanchang, Jiangxi, China,*Correspondence: Hongping Chen,
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4
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Zhou Y, Yao S, Yu M, Wei J, Fang Q, Xu N, Luo G. The effects and possible mechanism of action of apolipoprotein M on the growth of breast cancer cells. Mol Biol Rep 2021; 49:1171-1179. [PMID: 34775573 DOI: 10.1007/s11033-021-06945-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2021] [Accepted: 11/08/2021] [Indexed: 11/26/2022]
Abstract
BACKGROUND To investigate the effects and mechanism of action of apolipoprotein M (ApoM) on the growth of breast cancer (BC) cells. METHODS AND RESULTS Bioinformatics, cell experiments and animal experiments were used to verify the effect of ApoM on breast cancer cell lines and breast tumor growth in vivo. ApoM expression was significantly reduced in BC tissues, and patients with lower ApoM mRNA expression had a poorer prognosis (P < 0.0001). Besides, ApoM can partially inhibit the proliferative, migratory and invasive processes of BC cells. In vivo, the difference between ApoM-OE and NC groups was no significant. The level of vitamin D receptor (VDR) protein in MDA-MB-231 cells was increased by overexpression of ApoM (P < 0.05), while in MCF-7 cells, VDR levels decreased (P < 0.05). CONCLUSIONS ApoM can partially inhibit the growth of BC cells. VDR may play a role, but is not the main pathway.
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Affiliation(s)
- Ying Zhou
- Comprehensive Laboratory, The Third Affiliated Hospital of Soochow University, 185 Juqiang St, Changzhou, Jiangsu Province, China
- Clinical Medical Research Center, The Third Affiliated Hospital of Soochow University, Changzhou, Jiangsu Province, China
| | - Shuang Yao
- Comprehensive Laboratory, The Third Affiliated Hospital of Soochow University, 185 Juqiang St, Changzhou, Jiangsu Province, China
- Clinical Medical Research Center, The Third Affiliated Hospital of Soochow University, Changzhou, Jiangsu Province, China
| | - Miaomei Yu
- Comprehensive Laboratory, The Third Affiliated Hospital of Soochow University, 185 Juqiang St, Changzhou, Jiangsu Province, China
- Clinical Medical Research Center, The Third Affiliated Hospital of Soochow University, Changzhou, Jiangsu Province, China
| | - Jiang Wei
- Comprehensive Laboratory, The Third Affiliated Hospital of Soochow University, 185 Juqiang St, Changzhou, Jiangsu Province, China
- Clinical Medical Research Center, The Third Affiliated Hospital of Soochow University, Changzhou, Jiangsu Province, China
| | - Qi Fang
- Breast Surgery, The Third Affiliated Hospital of Soochow University, Changzhou, Jiangsu Province, China
| | - Ning Xu
- Division of Clinical Chemistry and Pharmacology, Department of Laboratory Medicine, Lunds University, 22185, Lund, Sweden
| | - Guanghua Luo
- Comprehensive Laboratory, The Third Affiliated Hospital of Soochow University, 185 Juqiang St, Changzhou, Jiangsu Province, China.
- Clinical Medical Research Center, The Third Affiliated Hospital of Soochow University, Changzhou, Jiangsu Province, China.
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Revealing the Role of High-Density Lipoprotein in Colorectal Cancer. Int J Mol Sci 2021; 22:ijms22073352. [PMID: 33805921 PMCID: PMC8037642 DOI: 10.3390/ijms22073352] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2021] [Revised: 03/11/2021] [Accepted: 03/15/2021] [Indexed: 12/12/2022] Open
Abstract
Colorectal cancer (CRC) is a highly prevalent malignancy with multifactorial etiology, which includes metabolic alterations as contributors to disease development. Studies have shown that lipid status disorders are involved in colorectal carcinogenesis. In line with this, previous studies have also suggested that the serum high-density lipoprotein cholesterol (HDL-C) level decreases in patients with CRC, but more recently, the focus of investigations has shifted toward the exploration of qualitative properties of HDL in this malignancy. Herein, a comprehensive overview of available evidences regarding the putative role of HDL in CRC will be presented. We will analyze existing findings regarding alterations of HDL-C levels but also HDL particle structure and distribution in CRC. In addition, changes in HDL functionality in this malignancy will be discussed. Moreover, we will focus on the genetic regulation of HDL metabolism, as well as the involvement of HDL in disturbances of cholesterol trafficking in CRC. Finally, possible therapeutic implications related to HDL will be presented. Given the available evidence, future studies are needed to resolve all raised issues concerning the suggested protective role of HDL in CRC, its presumed function as a biomarker, and eventual therapeutic approaches based on HDL.
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Mu Q, Luo G, Wei J, Zheng L, Wang H, Yu M, Xu N. Apolipoprotein M promotes growth and inhibits apoptosis of colorectal cancer cells through upregulation of ribosomal protein S27a. EXCLI JOURNAL 2021; 20:145-159. [PMID: 33564284 PMCID: PMC7868641 DOI: 10.17179/excli2020-2867] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/04/2020] [Accepted: 01/18/2021] [Indexed: 12/22/2022]
Abstract
Colorectal cancer (CRC) is one of the frequent malignant tumors and has a high mortality-to-incidence ratio. Apolipoprotein M (ApoM), a lipoprotein superfamily member, is primarily bound to high-density lipoprotein (HDL) particles. Our previous studies opined that ApoM crucially modulates CRC progression, but its role in CRC has not been elucidated. Here, lentivirus infection technology was used to overexpress ApoM in Caco-2 cells. Cell growth, apoptosis as well as clone formation assays were performed to explore the biological influences of ApoM in Caco-2 cells. Differentially expressed genes were analyzed via GeneChip microarrays and Quantitative real-time PCR (qPCR) along with Western blotting were applied to verify the results. Ribosomal protein S27a (RPS27A) expression in CRC and tumor-adjacent tissues was detected by qPCR, and its correlation with clinicopathologic characteristics was explored. Our results showed that ApoM overexpression could promote Caco-2 cell proliferation and inhibit apoptosis. The microarray evaluation uncovered 2671 genes, which were differentially expressed, including RPS27A. The qPCR as well as the Western blotting data showed that ApoM overexpression significantly increased the expression of RPS27A. Moreover, RPS27A expression was remarkably higher in CRC tissues in contrast with the tumor-adjacent tissues and was positively correlated with the ApoM level in tumor tissues, and higher RPS27A expression was associated with smaller tumors and lower T stage. Functional recovery experiments indicated that knockdown of RPS27A counteracted the apoptosis inhibition and clone formation promotion induced by ApoM overexpression in Caco-2 cells. In conclusion, ApoM promotes CRC cell growth and inhibits apoptosis through upregulation of RPS27A.
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Affiliation(s)
- Qinfeng Mu
- Clinical Medical Research Center, the Third Affiliated Hospital of Soochow University, Changzhou 213003, China
| | - Guanghua Luo
- Clinical Medical Research Center, the Third Affiliated Hospital of Soochow University, Changzhou 213003, China
| | - Jiang Wei
- Clinical Medical Research Center, the Third Affiliated Hospital of Soochow University, Changzhou 213003, China
| | - Lu Zheng
- Clinical Medical Research Center, the Third Affiliated Hospital of Soochow University, Changzhou 213003, China
| | - Haitao Wang
- Gastrointestinal surgery, the Third Affiliated Hospital of Soochow University, Changzhou 213003, China
| | - Miaomei Yu
- Clinical Medical Research Center, the Third Affiliated Hospital of Soochow University, Changzhou 213003, China
| | - Ning Xu
- Section of Clinical Chemistry and Pharmacology, Institute of Laboratory Medicine, Lunds University, Lund S-22185, Sweden
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7
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Apolipoprotein M inhibits proliferation and migration of larynx carcinoma cells. Sci Rep 2020; 10:19424. [PMID: 33173129 PMCID: PMC7655836 DOI: 10.1038/s41598-020-76480-w] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2020] [Accepted: 10/26/2020] [Indexed: 11/14/2022] Open
Abstract
Prior studies have shown that apolipoprotein M (APOM) is involved in the development of some cancers. Here we investigated the effects of APOM on larynx cancer (LC). 20 patients with vocal cord polyps and 18 patients with LC were included in this study. The protein and mRNA levels of the samples were analysed using the Wes-ProteinSimple system (or traditional Western blot) and PCR technology, respectively. APOM protein level in cancer tissues was lower than that in paracarcinomatous (P = 0.0003) and polyp tissues (P < 0.0001). APOM overexpression significantly inhibited TU686 cell proliferation (P < 0.0001) and migration (P < 0.01), and increased expression of vitamin D receptor (VDR, P < 0.0001) as well as nuclear factor erythroid 2-like 3 (NFE2L3, P = 0.0215). In addition, matrix metalloproteinase-10 (MMP-10) mRNA level was significantly reduced in the APOM overexpression group (P = 0.0077). However, Western blot analysis showed that APOM overexpression did not change VDR, NFE2L3 and MMP-10 protein levels (P > 0.05). In summary, APOM inhibits the proliferation and migration of LC cells, but may not be related to VDR, NFE2L3 and MMP-10, which needs further study.
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Shi Y, Liang Y, Zhang J, Yu M, Wang M, Zheng L, Di D, Zhang X, Luo G, Xu N. Non-negligible factors in studying the ApoM-S1P axis using EA.hy926 cells. ANNALS OF TRANSLATIONAL MEDICINE 2020; 8:383. [PMID: 32355827 PMCID: PMC7186669 DOI: 10.21037/atm.2020.03.74] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
Background The apolipoprotein M (ApoM)-sphingosine-1-phosphate (S1P) axis was recently identified, and research into its function has received increasing attention. However, there are some factors which might influence the results of studies into the function of the ApoM-S1P axis using the EA.hy926 cells. This study investigated related factors, including coagulation factor VIII (FVIII), ApoM, S1P receptor subtypes (S1PRs), C-myc-tagged, and His-tagged proteins in EA.hy926 cells, as well as the effects of ApoM overexpression on S1PRs. Methods The expression of FVIII, ApoM, S1PRs, C-myc, and His-tagged proteins in EA.hy926 cells was investigated through cellular immunofluorescence. EA.hy926 cells were infected with lentiviruses carrying (OE group) or lacking (NC group) the ApoM gene sequence. A stable cell line expressing ApoM was obtained, and the expression of ApoM mRNA was detected through single tube duplex fluorescence reverse transcription quantitative polymerase chain reaction (RT-qPCR). S1PRs expression was detected by RT-qPCR and Western blotting. Results The results showed that EA.hy926 cells expressed FVIII, ApoM, C-myc-tagged, and His-tagged proteins. Moreover, they highly expressed S1PR1, slightly expressed S1PR3, weakly expressed S1PR2, and did not express S1PR4 and S1PR5. ApoM overexpression significantly increased S1PR1 mRNA and protein expression but did not affect the expression of S1PR3. EA.hy926 cells expressed FVIII, suggesting the cell line possesses endothelial cell characteristics and could be used for in vitro studies of the ApoM-S1P axis. Conclusions EA.hy926 cell line is suitable for investigation of the ApoM-S1P axis in vitro. However, Since EA.hy926 cells expressed endogenous ApoM, C-myc and His tagged proteins, the exogenous recombinant ApoM should not be labeled with C-myc and His tags for distinguishing from endogenous ApoM. In addition, overexpression of ApoM should be considered to significantly increase the expression of S1PR1 when studying the APOM-S1P axis.
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Affiliation(s)
- Yuanping Shi
- Comprehensive Laboratory, the Third Affiliated Hospital of Soochow University, Changzhou 213003, China
| | - Yun Liang
- Department of Thoracic Surgery, Yantaishan Hospital of Yantai City, Yantai 264000, China
| | - Jun Zhang
- Comprehensive Laboratory, the Third Affiliated Hospital of Soochow University, Changzhou 213003, China
| | - Miaomei Yu
- Comprehensive Laboratory, the Third Affiliated Hospital of Soochow University, Changzhou 213003, China
| | - Min Wang
- Department of Cardiothoracic Surgery, the Third Affiliated Hospital of Soochow University, Changzhou 213003, China
| | - Lu Zheng
- Comprehensive Laboratory, the Third Affiliated Hospital of Soochow University, Changzhou 213003, China
| | - Dongmei Di
- Department of Cardiothoracic Surgery, the Third Affiliated Hospital of Soochow University, Changzhou 213003, China
| | - Xiaoying Zhang
- Department of Cardiothoracic Surgery, the Third Affiliated Hospital of Soochow University, Changzhou 213003, China
| | - Guanghua Luo
- Comprehensive Laboratory, the Third Affiliated Hospital of Soochow University, Changzhou 213003, China
| | - Ning Xu
- Section of Clinical Chemistry and Pharmacology, Institute of Laboratory Medicine, Lunds University, Lund, Sweden
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Zhang Y, Zheng L. Apolipoprotein: prospective biomarkers in digestive tract cancer. Transl Cancer Res 2020; 9:3712-3720. [PMID: 35117733 PMCID: PMC8799137 DOI: 10.21037/tcr-19-2106] [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: 10/08/2019] [Accepted: 03/27/2020] [Indexed: 01/17/2023]
Abstract
Digestive tract cancer, which is characterized by high morbidity and mortality, seriously affects the quality of life of patients worldwide. The digestive tract has abundant blood supply and nutriment, providing a suitable environment for tumor cells. Under chemical, physical, and biological stimuli, the activated cancer-related genes promote tumorigenesis. The synthesis of apolipoprotein occurs in the liver, intestine, and other digestive organs. However, the functions of apolipoproteins are not limited to lipid metabolism. An increasing number of studies have revealed that apolipoproteins take part in the regulation of tumor behavior. Apolipoprotein A (apoA) has recently been acknowledged as a beneficial indicator of several cancers, including colon, hepatocellular, and pancreatic cancer. Apolipoprotein E (apoE) can affect tumor susceptibility on account of genetic polymorphism. Levels of apolipoprotein C (apoC), B (apoB), and D (apoD) also impact tumor progression and the prognosis of patients. However, because of individual, racial, and genetic differences, a consensus has not yet been reached. Based on clinical data and analysis, apolipoproteins could be a novel target and marker in tumor therapy and prevention.
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Affiliation(s)
- Yibo Zhang
- Comprehensive Laboratory, the Third Affiliated Hospital of Soochow University, Changzhou 213003, China
| | - Lu Zheng
- Comprehensive Laboratory, the Third Affiliated Hospital of Soochow University, Changzhou 213003, China
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Zhou Y, Luo G. Apolipoproteins, as the carrier proteins for lipids, are involved in the development of breast cancer. Clin Transl Oncol 2020; 22:1952-1962. [PMID: 32306242 PMCID: PMC7505814 DOI: 10.1007/s12094-020-02354-2] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2020] [Accepted: 04/04/2020] [Indexed: 12/14/2022]
Abstract
Apolipoproteins, the key components of lipoproteins, play vital roles in the combination and transportation of lipids. Numerous research articles have accumulated solid evidence that lipoproteins are closely related to various types of tumorigenesis. In this review, we focused on the associations between several apolipoproteins and breast carcinoma and distinguished the effects and significance of apolipoproteins in different locations to validate their roles in breast carcinoma development. For example, apoD and apoE in serum are viewed as risk factors for breast carcinoma. ApoD, apoE and apoA-I in mammary tissues inhibit tumor growth. Moreover, apoB, apoJ and apoA-I have the potential to function as diagnostic or prognostic markers in the clinic. ApoEdp and apoJ treatment on breast carcinoma could significantly restrict tumor growth. In general, the aim of this review was to further analyze the associations between some members of the apolipoprotein family and breast cancer.
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Affiliation(s)
- Y Zhou
- Comprehensive Laboratory, Changzhou Key Lab of Individualized Diagnosis and Treatment Associated with High Technology Research, The Third Affiliated Hospital of Soochow University, Changzhou, 213003, China
| | - G Luo
- Comprehensive Laboratory, Changzhou Key Lab of Individualized Diagnosis and Treatment Associated with High Technology Research, The Third Affiliated Hospital of Soochow University, Changzhou, 213003, China.
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Yu M, Pan L, Sang C, Mu Q, Zheng L, Luo G, Xu N. Apolipoprotein M could inhibit growth and metastasis of SMMC7721 cells via vitamin D receptor signaling. Cancer Manag Res 2019; 11:3691-3701. [PMID: 31190977 PMCID: PMC6525829 DOI: 10.2147/cmar.s202799] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2019] [Accepted: 04/05/2019] [Indexed: 12/12/2022] Open
Abstract
Objective: Hepatocellular carcinoma (HCC) is one of the most common malignant tumors with high mortality-to-incidence ratios. Apolipoprotein M (ApoM), a member of the apolipoprotein family, is mainly synthesized in the liver, whereas its role in HCC has not been elucidated. Here, we examined the effect of ApoM on the biological behavior of HCC cells and the possible mechanisms. Methods: We used CRISPR/Cas9 technology to knock out ApoM in SMMC7721 cells. Differentially expressed genes before and after ApoM knockout (KO) were analyzed by GeneChip microarrays and confirmed by qRT-PCR. Cell assays of proliferation, apoptosis, migration and invasion were performed in SMMC7721 cells, and the expression of epithelial-mesenchymal transition (EMT) markers was performed by western blot. And we performed functional recovery experiments by overexpressing vitamin D receptor (VDR) in SMMC7721. Results: The ApoM-KO SMMC7721 cell line was successfully constructed using the CRISPR/Cas9 technology. Our results showed that silencing ApoM suppressed apoptosis and promoted proliferation, migration, invasion and EMT of SMMC7721 cells. The microarray data revealed that a total of 1,868 differentially expressed genes were identified, including VDR. The qRT-PCR and western blot verification results demonstrated that knocking out ApoM could significantly reduce the expression of VDR. The functional recovery experiments indicated that VDR overexpression could offset the inhibition of cell apoptosis and the promotion of cell proliferation, migration, invasion and EMT caused by knocking out ApoM in SMMC7721 cells. Conclusion: ApoM could function as a tumor suppressor to inhibit the growth and metastasis of SMMC7721 cells via VDR signaling in HCC.
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Affiliation(s)
- Miaomei Yu
- Comprehensive Laboratory, the Third Affiliated Hospital of Soochow University, Changzhou 213003, People's Republic of China
| | - Lili Pan
- Comprehensive Laboratory, the Third Affiliated Hospital of Soochow University, Changzhou 213003, People's Republic of China
| | - Chen Sang
- Department of Cardiothoracic Surgery, the Third Affiliated Hospital of Soochow University, Changzhou 213003, People's Republic of China
| | - Qinfeng Mu
- Comprehensive Laboratory, the Third Affiliated Hospital of Soochow University, Changzhou 213003, People's Republic of China
| | - Lu Zheng
- Comprehensive Laboratory, the Third Affiliated Hospital of Soochow University, Changzhou 213003, People's Republic of China
| | - Guanghua Luo
- Comprehensive Laboratory, the Third Affiliated Hospital of Soochow University, Changzhou 213003, People's Republic of China
| | - Ning Xu
- Section of Clinical Chemistry and Pharmacology, Institute of Laboratory Medicine, Lunds University, Lund S‑22185, Sweden
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12
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Zhang M, Zhou F, Zhou D, Chen D, Hai H, Li J. An aptamer biosensor for leukemia marker mRNA detection based on polymerase-assisted signal amplification and aggregation of illuminator. Anal Bioanal Chem 2018; 411:139-146. [PMID: 30374725 DOI: 10.1007/s00216-018-1424-9] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2018] [Revised: 09/27/2018] [Accepted: 10/09/2018] [Indexed: 02/06/2023]
Abstract
A novel electrochemical luminescence (ECL) aptamer biosensor via polymerase amplification is constructed for label-free detection of leukemia marker mRNA (miR-16). In order to achieve the ultrasensitive detection of the target mRNA, the cyclic target chain displacement polymerization of leukemia marker mRNA assisted with Klenow fragment of DNA polymerase is employed. The determination is carried out by recording the ECL emission of pyridine ruthenium (Ru(bpy)32+) complexes embedded into the assistance DNA (ADNA) loaded on the nanogold surface, after the hybridization reaction between the probe DNA (PDNA) and the remaining sequence of the CP's stem part, and the formation of a core-shell sun-like structure. The mercapto-modified capture DNA (CP) is immobilized on the surface of a magneto-controlled glassy carbon electrode by Au-S bond. The CP is opened and hybridized with the target mRNA to form double-stranded DNA. In the presence of polymerase, primer DNA, and bases (dNTPs), the primer chain gets access to its complementary sequence of the stem part and then triggers a polymerization of the DNA strand, leading to the release of mRNA and starting the next polymerization cycle. Finally, the composite of PDNA-covered and ADNA-covered (embedded with Ru(bpy)32+) gold nanoparticles (hereafter called AuNPs@(PDNA+ADNA-Ru(bpy)32+) is added, and the ECL intensity is recorded. Because of the polymerization cycle and the aggregation of the illuminator of Ru(bpy)32+, the detected signal is amplified significantly. The results showed that the corresponding ECL signal has a good linear relationship with a logarithm of target mRNA concentration in the range of 1 × 10-16 to 1 × 10-7 mol/L, with a detection limit of 4.3 × 10-17 mol/L. The mRNA spiked in the human serum sample is determined, and the recoveries are from 97.2 to 102.0%. This sensor demonstrates good selectivity, stability, and reproducibility. Graphical abstract ᅟ.
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Affiliation(s)
- Meng Zhang
- Guangxi Key Laboratory of Electrochemical and Magnetochemical Functional Materials, College of Chemistry and Bioengineering, Guilin University of Technology, Guilin, 541004, China
| | - Fenyue Zhou
- Guangxi Key Laboratory of Electrochemical and Magnetochemical Functional Materials, College of Chemistry and Bioengineering, Guilin University of Technology, Guilin, 541004, China
| | - Deqi Zhou
- College of Biological Sciences, University of California - Davis, Davis, CA, 95616, USA
| | - Dongli Chen
- Guangxi Key Laboratory of Electrochemical and Magnetochemical Functional Materials, College of Chemistry and Bioengineering, Guilin University of Technology, Guilin, 541004, China
| | - Hong Hai
- Guangxi Key Laboratory of Electrochemical and Magnetochemical Functional Materials, College of Chemistry and Bioengineering, Guilin University of Technology, Guilin, 541004, China.
| | - Jianping Li
- Guangxi Key Laboratory of Electrochemical and Magnetochemical Functional Materials, College of Chemistry and Bioengineering, Guilin University of Technology, Guilin, 541004, China.
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