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He SK, Wang JH, Li T, Yin S, Cui JW, Xiao YF, Tang Y, Wang J, Bai YJ. Sleep and circadian rhythm disturbance in kidney stone disease: a narrative review. Front Endocrinol (Lausanne) 2023; 14:1293685. [PMID: 38089624 PMCID: PMC10711275 DOI: 10.3389/fendo.2023.1293685] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/13/2023] [Accepted: 11/08/2023] [Indexed: 12/18/2023] Open
Abstract
The circadian rhythm generated by circadian clock genes functions as an internal timing system. Since the circadian rhythm controls abundant physiological processes, the circadian rhythm evolved in organisms is salient for adaptation to environmental change. A disturbed circadian rhythm is a trigger for numerous pathological events. Recently, accumulated data have indicated that kidney stone disease (KSD) is related to circadian rhythm disturbance. However, the mechanism between them has not been fully elucidated. In this narrative review, we summarized existing evidence to illustrate the possible association between circadian rhythm disturbance and KSD based on the epidemiological studies and risk factors that are linked to circadian rhythm disturbance and discuss some chronotherapies for KSD. In summary, KSD is associated with systemic disorders. Metabolic syndrome, inflammatory bowel disease, and microbiome dysbiosis are the major risk factors supported by sufficient data to cause KSD in patients with circadian rhythm disturbance, while others including hypertension, vitamin D deficiency, parathyroid gland dysfunction, and renal tubular damage/dysfunction need further investigation. Then, some chronotherapies for KSD were confirmed to be effective, but the molecular mechanism is still unclear.
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Affiliation(s)
- Si-Ke He
- Department of Urology, Institute of Urology, West China Hospital, Sichuan University, Chengdu, China
| | - Jia-Hao Wang
- Department of Urology, Institute of Urology, West China Hospital, Sichuan University, Chengdu, China
| | - Tao Li
- Department of Urology, Affiliated Hospital of Guizhou Medical University, Guiyang, China
| | - Shan Yin
- Department of Urology, Affiliated Hospital of North Sichuan Medical College, Nanchong, China
| | - Jian-Wei Cui
- Department of Urology, Institute of Urology, West China Hospital, Sichuan University, Chengdu, China
| | - Yun-Fei Xiao
- Department of Urology, Institute of Urology, West China Hospital, Sichuan University, Chengdu, China
| | - Yin Tang
- Department of Urology, Institute of Urology, West China Hospital, Sichuan University, Chengdu, China
| | - Jia Wang
- Department of Urology, Institute of Urology, West China Hospital, Sichuan University, Chengdu, China
| | - Yun-Jin Bai
- Department of Urology, Institute of Urology, West China Hospital, Sichuan University, Chengdu, China
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Bogomolov A, Filonov S, Chadaeva I, Rasskazov D, Khandaev B, Zolotareva K, Kazachek A, Oshchepkov D, Ivanisenko VA, Demenkov P, Podkolodnyy N, Kondratyuk E, Ponomarenko P, Podkolodnaya O, Mustafin Z, Savinkova L, Kolchanov N, Tverdokhleb N, Ponomarenko M. Candidate SNP Markers Significantly Altering the Affinity of TATA-Binding Protein for the Promoters of Human Hub Genes for Atherogenesis, Atherosclerosis and Atheroprotection. Int J Mol Sci 2023; 24:ijms24109010. [PMID: 37240358 DOI: 10.3390/ijms24109010] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2023] [Revised: 05/13/2023] [Accepted: 05/17/2023] [Indexed: 05/28/2023] Open
Abstract
Atherosclerosis is a systemic disease in which focal lesions in arteries promote the build-up of lipoproteins and cholesterol they are transporting. The development of atheroma (atherogenesis) narrows blood vessels, reduces the blood supply and leads to cardiovascular diseases. According to the World Health Organization (WHO), cardiovascular diseases are the leading cause of death, which has been especially boosted since the COVID-19 pandemic. There is a variety of contributors to atherosclerosis, including lifestyle factors and genetic predisposition. Antioxidant diets and recreational exercises act as atheroprotectors and can retard atherogenesis. The search for molecular markers of atherogenesis and atheroprotection for predictive, preventive and personalized medicine appears to be the most promising direction for the study of atherosclerosis. In this work, we have analyzed 1068 human genes associated with atherogenesis, atherosclerosis and atheroprotection. The hub genes regulating these processes have been found to be the most ancient. In silico analysis of all 5112 SNPs in their promoters has revealed 330 candidate SNP markers, which statistically significantly change the affinity of the TATA-binding protein (TBP) for these promoters. These molecular markers have made us confident that natural selection acts against underexpression of the hub genes for atherogenesis, atherosclerosis and atheroprotection. At the same time, upregulation of the one for atheroprotection promotes human health.
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Affiliation(s)
- Anton Bogomolov
- Institute of Cytology and Genetics, Siberian Branch of Russian Academy of Sciences (SB RAS), Novosibirsk 630090, Russia
| | - Sergey Filonov
- Institute of Cytology and Genetics, Siberian Branch of Russian Academy of Sciences (SB RAS), Novosibirsk 630090, Russia
- The Natural Sciences Department, Novosibirsk State University, Novosibirsk 630090, Russia
| | - Irina Chadaeva
- Institute of Cytology and Genetics, Siberian Branch of Russian Academy of Sciences (SB RAS), Novosibirsk 630090, Russia
| | - Dmitry Rasskazov
- Institute of Cytology and Genetics, Siberian Branch of Russian Academy of Sciences (SB RAS), Novosibirsk 630090, Russia
| | - Bato Khandaev
- Institute of Cytology and Genetics, Siberian Branch of Russian Academy of Sciences (SB RAS), Novosibirsk 630090, Russia
- The Natural Sciences Department, Novosibirsk State University, Novosibirsk 630090, Russia
| | - Karina Zolotareva
- Institute of Cytology and Genetics, Siberian Branch of Russian Academy of Sciences (SB RAS), Novosibirsk 630090, Russia
- The Natural Sciences Department, Novosibirsk State University, Novosibirsk 630090, Russia
| | - Anna Kazachek
- Institute of Cytology and Genetics, Siberian Branch of Russian Academy of Sciences (SB RAS), Novosibirsk 630090, Russia
- The Natural Sciences Department, Novosibirsk State University, Novosibirsk 630090, Russia
| | - Dmitry Oshchepkov
- Institute of Cytology and Genetics, Siberian Branch of Russian Academy of Sciences (SB RAS), Novosibirsk 630090, Russia
| | - Vladimir A Ivanisenko
- Institute of Cytology and Genetics, Siberian Branch of Russian Academy of Sciences (SB RAS), Novosibirsk 630090, Russia
| | - Pavel Demenkov
- Institute of Cytology and Genetics, Siberian Branch of Russian Academy of Sciences (SB RAS), Novosibirsk 630090, Russia
| | - Nikolay Podkolodnyy
- Institute of Cytology and Genetics, Siberian Branch of Russian Academy of Sciences (SB RAS), Novosibirsk 630090, Russia
- Institute of Computational Mathematics and Mathematical Geophysics, Novosibirsk 630090, Russia
| | - Ekaterina Kondratyuk
- Institute of Cytology and Genetics, Siberian Branch of Russian Academy of Sciences (SB RAS), Novosibirsk 630090, Russia
| | - Petr Ponomarenko
- Institute of Cytology and Genetics, Siberian Branch of Russian Academy of Sciences (SB RAS), Novosibirsk 630090, Russia
| | - Olga Podkolodnaya
- Institute of Cytology and Genetics, Siberian Branch of Russian Academy of Sciences (SB RAS), Novosibirsk 630090, Russia
| | - Zakhar Mustafin
- Institute of Cytology and Genetics, Siberian Branch of Russian Academy of Sciences (SB RAS), Novosibirsk 630090, Russia
| | - Ludmila Savinkova
- Institute of Cytology and Genetics, Siberian Branch of Russian Academy of Sciences (SB RAS), Novosibirsk 630090, Russia
| | - Nikolay Kolchanov
- Institute of Cytology and Genetics, Siberian Branch of Russian Academy of Sciences (SB RAS), Novosibirsk 630090, Russia
| | - Natalya Tverdokhleb
- Institute of Cytology and Genetics, Siberian Branch of Russian Academy of Sciences (SB RAS), Novosibirsk 630090, Russia
| | - Mikhail Ponomarenko
- Institute of Cytology and Genetics, Siberian Branch of Russian Academy of Sciences (SB RAS), Novosibirsk 630090, Russia
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Singh A, Puhan R, Pradhan A, Ali W, Sethi R. Small Dense Low-Density Lipoprotein for Risk Prediction of Acute Coronary Syndrome. Cardiol Res 2021; 12:251-257. [PMID: 34349867 PMCID: PMC8297045 DOI: 10.14740/cr1254] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2021] [Accepted: 04/27/2021] [Indexed: 02/05/2023] Open
Abstract
Background Elevated Low density Lipoprotein (LDL) levels have been traditionally associated with development of atherosclerotic coronary artery disease (CAD). As LDL-cholesterol levels are not always raised in acute coronary syndrome (ACS) patients, sd-LDL is an emerging risk factor. The purpose of the present study was tri-fold. Firstly, it aimed to investigate the association of sd-LDL as a risk factor in ACS patients. Secondly, it aimed to correlate the presence of sd-LDL with severity of coronary artery disease as determined by coronary angiography. Lastly, it aimed to correlate the presence of sd-LDL with short-term outcomes. Methods This was a prospective, hospital-based, cross-sectional, case-control study conducted over a 1-year study duration. Patients above the age of 18 years diagnosed with ACS within 24 h of admission were studied. Blood samples were collected after all patients had undergone coronary angiography and sd-LDL levels were measured. Results ACS patients had significantly higher sd-LDL levels than non-ACS patients (16.10 ± 1.42 mg/dL vs. 12.67 ± 0.71 mg/dL, P = 0.036). Males had significantly higher sd-LDL levels than females (16.79 ± 1.55 mg/dl vs. 10.77 ± 2.62 mg/dl, P=0.047). Patients with non-left anterior descending coronary artery (LAD) involvement had significantly higher sd-LDL levels compared to patients with LAD involvement (21.92 ± 3.55 mg/dL vs. 14.03 ± 1.35 mg/dL, P = 0.007). Conclusion These results suggest that sd-LDL is a risk factor for the development of ACS in an Indian population.
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Affiliation(s)
- Abhishek Singh
- Department of Internal Medicine, King George's Medical University, Lucknow, Uttar Pradesh 226003, India
| | - Rajendra Puhan
- Department of Internal Medicine, King George's Medical University, Lucknow, Uttar Pradesh 226003, India
| | - Akshyaya Pradhan
- Department of Cardiology, King George's Medical University, Lucknow, Uttar Pradesh 226003, India
| | - Wahid Ali
- Department of Pathology, King George's Medical University, Lucknow, Uttar Pradesh 226003, India
| | - Rishi Sethi
- Department of Cardiology, King George's Medical University, Lucknow, Uttar Pradesh 226003, India
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Nishiie-Yano R, Hirayama S, Tamura M, Kanemochi T, Ueno T, Hirayama A, Hori A, Ai T, Hirose N, Miida T. Hemolysis Is Responsible for Elevation of Serum Iron Concentration After Regular Exercises in Judo Athletes. Biol Trace Elem Res 2020; 197:63-69. [PMID: 31786754 DOI: 10.1007/s12011-019-01981-3] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/23/2019] [Accepted: 11/06/2019] [Indexed: 12/11/2022]
Abstract
Serum iron concentration increases in marathon athletes after running due to mechanical destruction of red blood cells (hemolysis). This study was performed to examine whether serum iron concentration increases after regular Judo exercise, and if so, whether such post-exercise iron increase is caused by hemolysis. We examined biochemical parameters related to red blood cell and iron metabolism in 16 male competitive Judo athletes before and after traditional exercise training composed of basic movements and freestyle matchup. The parameters were adjusted for changes in plasma volume based on simultaneously measured albumin concentration. The red blood cell count, hemoglobin concentration, and hematocrit levels decreased significantly, by 6.0-8.4%, after Judo exercise. The serum iron concentration and transferrin saturation increased significantly, from 87 ± 34 μg/dL to 98 ± 29 μg/dL and from 27.1 ± 9.7% to 31.2 ± 9.0%, respectively. Furthermore, the serum free hemoglobin level increased by 33.9% (p < 0.05), and haptoglobin concentration decreased by 19.2% (p < 0.001). A significant negative correlation was observed between Δ haptoglobin concentration and Δ serum iron concentration (r = - 0.551, p = 0.027). The results of this study indicate that serum iron concentration increases significantly after Judo exercise due to hemolysis.
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Affiliation(s)
- Rina Nishiie-Yano
- Department of Clinical Laboratory Medicine, Juntendo University Graduate School of Medicine, Hongo 2-1-1, Bunkyo-ku, Tokyo, 113-8421, Japan
| | - Satoshi Hirayama
- Department of Clinical Laboratory Medicine, Juntendo University Graduate School of Medicine, Hongo 2-1-1, Bunkyo-ku, Tokyo, 113-8421, Japan.
| | - Masahiro Tamura
- Department of Sports Science, Juntendo University Graduate School of Health and Sports Science, Hiragagakuendai 1-1, Inzai, Chiba, 270-1695, Japan
| | - Takumi Kanemochi
- Department of Clinical Laboratory Medicine, Juntendo University Graduate School of Medicine, Hongo 2-1-1, Bunkyo-ku, Tokyo, 113-8421, Japan
- Department of Sports Science, Juntendo University Graduate School of Health and Sports Science, Hiragagakuendai 1-1, Inzai, Chiba, 270-1695, Japan
- Toho Junior and Senior High School, Naka 3-1-10, Kunitachi, Tokyo, 186-0004, Japan
| | - Tsuyoshi Ueno
- Department of Clinical Laboratory Medicine, Juntendo University Graduate School of Medicine, Hongo 2-1-1, Bunkyo-ku, Tokyo, 113-8421, Japan
- Clinical Laboratory, Juntendo Tokyo Koto Geriatric Medical Center, Shinsuna 3-3-20, Koto-ku, Tokyo, 136-0075, Japan
| | - Akiko Hirayama
- Department of Clinical Laboratory Medicine, Juntendo University Graduate School of Medicine, Hongo 2-1-1, Bunkyo-ku, Tokyo, 113-8421, Japan
| | - Atsushi Hori
- Department of Clinical Laboratory Medicine, Juntendo University Graduate School of Medicine, Hongo 2-1-1, Bunkyo-ku, Tokyo, 113-8421, Japan
- Center for Genomic and Regenerative Medicine, Juntendo University Graduate School of Medicine, Hongo 2-1-1, Bunkyo-ku, Tokyo, 113-8421, Japan
| | - Tomohiko Ai
- Department of Clinical Laboratory Medicine, Juntendo University Graduate School of Medicine, Hongo 2-1-1, Bunkyo-ku, Tokyo, 113-8421, Japan
| | - Nobuyoshi Hirose
- Department of Sports Science, Juntendo University Graduate School of Health and Sports Science, Hiragagakuendai 1-1, Inzai, Chiba, 270-1695, Japan
| | - Takashi Miida
- Department of Clinical Laboratory Medicine, Juntendo University Graduate School of Medicine, Hongo 2-1-1, Bunkyo-ku, Tokyo, 113-8421, Japan
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Candidate SNP Markers of Atherogenesis Significantly Shifting the Affinity of TATA-Binding Protein for Human Gene Promoters show stabilizing Natural Selection as a Sum of Neutral Drift Accelerating Atherogenesis and Directional Natural Selection Slowing It. Int J Mol Sci 2020; 21:ijms21031045. [PMID: 32033288 PMCID: PMC7037642 DOI: 10.3390/ijms21031045] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2019] [Revised: 02/03/2020] [Accepted: 02/04/2020] [Indexed: 12/15/2022] Open
Abstract
(1) Background: The World Health Organization (WHO) regards atherosclerosis-related myocardial infarction and stroke as the main causes of death in humans. Susceptibility to atherogenesis-associated diseases is caused by single-nucleotide polymorphisms (SNPs). (2) Methods: Using our previously developed public web-service SNP_TATA_Comparator, we estimated statistical significance of the SNP-caused alterations in TATA-binding protein (TBP) binding affinity for 70 bp proximal promoter regions of the human genes clinically associated with diseases syntonic or dystonic with atherogenesis. Additionally, we did the same for several genes related to the maintenance of mitochondrial genome integrity, according to present-day active research aimed at retarding atherogenesis. (3) Results: In dbSNP, we found 1186 SNPs altering such affinity to the same extent as clinical SNP markers do (as estimated). Particularly, clinical SNP marker rs2276109 can prevent autoimmune diseases via reduced TBP affinity for the human MMP12 gene promoter and therefore macrophage elastase deficiency, which is a well-known physiological marker of accelerated atherogenesis that could be retarded nutritionally using dairy fermented by lactobacilli. (4) Conclusions: Our results uncovered SNPs near clinical SNP markers as the basis of neutral drift accelerating atherogenesis and SNPs of genes encoding proteins related to mitochondrial genome integrity and microRNA genes associated with instability of the atherosclerotic plaque as a basis of directional natural selection slowing atherogenesis. Their sum may be stabilizing the natural selection that sets the normal level of atherogenesis.
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Ponomarenko MP, Rasskazov DA, Chadaeva IV, Sharypova EB, Drachkova IA, Ponomarenko PM, Oshchepkova EA, Savinkova LK, Kolchanov NA. Candidate SNP Markers of Atherosclerosis That May Significantly Change the Affinity of the TATA-Binding Protein for the Human Gene Promoters. RUSS J GENET+ 2019. [DOI: 10.1134/s1022795419090114] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
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7
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QiaoZhen X, AiGuo M, Tong W, JingJing L, HaiYing L. Correlation between of small dense low-density lipoprotein cholesterol with acute cerebral infarction and carotid atherosclerotic plaque stability. J Clin Lab Anal 2019; 33:e22891. [PMID: 30955225 PMCID: PMC6642294 DOI: 10.1002/jcla.22891] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2018] [Revised: 03/11/2019] [Accepted: 03/12/2019] [Indexed: 11/07/2022] Open
Abstract
Background Acute cerebral infarction (ACI) is seriously harmful to human health worldwide. However, at present, the risk of disease onset is still not accurately predicted for some people. Methods Five hundred and nineteen patients with ACI and 300 healthy controls were included in this study. We divided the patients into three groups according to the results of cervical artery contrast‐enhanced ultrasound. Ninety‐five patients were in the CAS without plaque group, 108 patients were in the stable plaque group, and 316 patients were in the unstable plaque group. TC, TG, HDL‐C, LDL‐C, and sdLDL‐C were measured in all subjects. Results The level of small dense low‐density lipoprotein cholesterol (sdLDL‐C) in the ACI group was significantly higher than that in the control group (P < 0.001). Logistic regression analysis showed that sdLDL‐C was an independent risk factor for ACI (OR = 1.067, 95% CI: 1.041‐1.093, P < 0.001); serum sdLDL‐C was significantly higher in the unstable plaque group than in the stable plaque group and plaque‐free group (P < 0.05, P < 0.001); serum sdLDL‐C was also higher in the stable plaque group than the plaque‐free group (P < 0.001). Logistic regression analysis showed that sdLDL‐C was an independent risk factor for unstable carotid plaques (OR = 1.053, 95% CI: 1.038‐1.068, P < 0.001); Spearman correlation analysis showed that sdLDL‐C test results were positively correlated with carotid plaque stability (r = 0.363, P < 0.001). Conclusion Small dense low‐density lipoprotein cholesterol is an independent risk factor for the onset of ACI and may be an early serum marker for this disease.
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Affiliation(s)
- Xue QiaoZhen
- Department of Clinical Laboratory, Affiliated Hospital of North China University of Science and Technology, Tangshan, China.,Tangshan Key Laboratory of Medical Molecular Testing and Diagnosis, Tangshan, China
| | - Meng AiGuo
- Department of Clinical Laboratory, Affiliated Hospital of North China University of Science and Technology, Tangshan, China.,Tangshan Key Laboratory of Medical Molecular Testing and Diagnosis, Tangshan, China
| | - Wang Tong
- Department of Clinical Laboratory, Affiliated Hospital of North China University of Science and Technology, Tangshan, China.,Tangshan Key Laboratory of Medical Molecular Testing and Diagnosis, Tangshan, China
| | - Li JingJing
- Department of Clinical Laboratory, Affiliated Hospital of North China University of Science and Technology, Tangshan, China.,Tangshan Key Laboratory of Medical Molecular Testing and Diagnosis, Tangshan, China
| | - Liu HaiYing
- Department of Clinical Laboratory, Affiliated Hospital of North China University of Science and Technology, Tangshan, China.,Tangshan Key Laboratory of Medical Molecular Testing and Diagnosis, Tangshan, China
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Candidate SNP Markers of Chronopathologies Are Predicted by a Significant Change in the Affinity of TATA-Binding Protein for Human Gene Promoters. BIOMED RESEARCH INTERNATIONAL 2016; 2016:8642703. [PMID: 27635400 PMCID: PMC5011241 DOI: 10.1155/2016/8642703] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/04/2016] [Revised: 06/25/2016] [Accepted: 06/28/2016] [Indexed: 01/14/2023]
Abstract
Variations in human genome (e.g., single nucleotide polymorphisms, SNPs) may be associated with hereditary diseases, their complications, comorbidities, and drug responses. Using Web service SNP_TATA_Comparator presented in our previous paper, here we analyzed immediate surroundings of known SNP markers of diseases and identified several candidate SNP markers that can significantly change the affinity of TATA-binding protein for human gene promoters, with circadian consequences. For example, rs572527200 may be related to asthma, where symptoms are circadian (worse at night), and rs367732974 may be associated with heart attacks that are characterized by a circadian preference (early morning). By the same method, we analyzed the 90 bp proximal promoter region of each protein-coding transcript of each human gene of the circadian clock core. This analysis yielded 53 candidate SNP markers, such as rs181985043 (susceptibility to acute Q fever in male patients), rs192518038 (higher risk of a heart attack in patients with diabetes), and rs374778785 (emphysema and lung cancer in smokers). If they are properly validated according to clinical standards, these candidate SNP markers may turn out to be useful for physicians (to select optimal treatment for each patient) and for the general population (to choose a lifestyle preventing possible circadian complications of diseases).
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Albers JJ, Slee A, Fleg JL, O'Brien KD, Marcovina SM. Relationship of baseline HDL subclasses, small dense LDL and LDL triglyceride to cardiovascular events in the AIM-HIGH clinical trial. Atherosclerosis 2016; 251:454-459. [PMID: 27320173 DOI: 10.1016/j.atherosclerosis.2016.06.019] [Citation(s) in RCA: 61] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/09/2016] [Revised: 06/07/2016] [Accepted: 06/09/2016] [Indexed: 12/20/2022]
Abstract
BACKGROUND AND AIMS Previous results of the AIM-HIGH trial showed that baseline levels of the conventional lipid parameters were not predictive of future cardiovascular (CV) outcomes. The aims of this secondary analysis were to examine the levels of cholesterol in high density lipoprotein (HDL) subclasses (HDL2-C and HDL3-C), small dense low density lipoprotein (sdLDL-C), and LDL triglyceride (LDL-TG) at baseline, as well as the relationship between these levels and CV outcomes. METHODS Individuals with CV disease and low baseline HDL-C levels were randomized to simvastatin plus placebo or simvastatin plus extended release niacin (ERN), 1500 to 2000 mg/day, with ezetimibe added as needed in both groups to maintain an on-treatment LDL-C in the range of 40-80 mg/dL. The primary composite endpoint was death from coronary disease, nonfatal myocardial infarction, ischemic stroke, hospitalization for acute coronary syndrome, or symptom-driven coronary or cerebrovascular revascularization. HDL-C, HDL3-C, sdLDL-C and LDL-TG were measured at baseline by detergent-based homogeneous assays. HDL2-C was computed by the difference between HDL-C and HDL3-C. Analyses were performed on 3094 study participants who were already on statin therapy prior to enrollment in the trial. Independent contributions of lipoprotein fractions to CV events were determined by Cox proportional hazards modeling. RESULTS Baseline HDL3-C was protective against CV events (HR: 0.84, p = 0.043) while HDL-C, HDL2-C, sdLDL-C and LDL-TG were not event-related (HR: 0.96, p = 0.369; HR: 1.07, p = 0.373; HR: 1.05, p = 0.492; HR: 1.03, p = 0.554, respectively). CONCLUSIONS The results of this secondary analysis of the AIM-HIGH Study indicate that levels of HDL3-C, but not other lipoprotein fractions, are predictive of CV events, suggesting that the HDL3 subclass may be primarily responsible for the inverse association of HDL-C and CV disease.
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Affiliation(s)
- John J Albers
- University of Washington, Northwest Lipid Metabolism and Diabetes Research Laboratories, 401 Queen Anne Ave N, Seattle, WA 98109, USA.
| | - April Slee
- AIM-HIGH Coordinating Center, Axio Research, 2601 Fourth Ave, Ste 200, Seattle, WA 98121, USA.
| | - Jerome L Fleg
- National Heart, Lung, and Blood Institute, Division of Cardiovascular Diseases, 6701 Rockledge Dr, Rm 8150, Bethesda, MD 20892, USA.
| | - Kevin D O'Brien
- University of Washington, Division of Cardiology, Department of Medicine, 1959 NE Pacific Ave, Box 356422, Seattle, WA 98195-6422, USA.
| | - Santica M Marcovina
- University of Washington, Northwest Lipid Metabolism and Diabetes Research Laboratories, 401 Queen Anne Ave N, Seattle, WA 98109, USA.
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Shimada A, Kimura H, Oida K, Kanehara H, Bando Y, Sakamoto S, Wakasugi T, Saga T, Ito Y, Kamiyama K, Mikami D, Iwano M, Hirano T, Yoshida H. Serum CETP status is independently associated with reduction rates in LDL-C in pitavastatin-treated diabetic patients and possible involvement of LXR in its association. Lipids Health Dis 2016; 15:57. [PMID: 26984517 PMCID: PMC4794860 DOI: 10.1186/s12944-016-0223-6] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2015] [Accepted: 03/05/2016] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Statins decrease cholesteryl ester transfer protein (CETP) levels, which have been positively associated with hepatic lipid content as well as serum low density lipoproteins-cholesterol (LDL-C) levels. However, the relationship between the CETP status and statin-induced reductions in LDL-C levels has not yet been elucidated in detail. We herein examined the influence of the CETP status on the lipid-reducing effects of pitavastatin in hypercholesterolemic patients with type 2 diabetes mellitus as well as the molecular mechanism underlying pitavastatin-induced modifications in CETP levels. METHODS Fifty-three patients were treated with 2 mg of pitavastatin for 3 months. Serum levels of LDL-C, small dense (sd) LDL-C, and CETP were measured before and after the pitavastatin treatment. The effects of pitavastatin, T0901317, a specific agonist for liver X receptor (LXR) that reflects hepatic cholesterol contents, and LXR silencing on CETP mRNA expression in HepG2 cells were also examined by a real-time PCR assay. RESULTS The pitavastatin treatment decreased LDL-C, sdLDL-C, and CETP levels by 39, 42, and 23%, respectively. Despite the absence of a significant association between CETP and LDL-C levels at baseline, baseline CETP levels and its percentage change were an independent positive determinant for the changes observed in LDL-C and sdLDL-C levels. The LXR activation with T0901317 (0.5 μM), an in vitro condition analogous to hepatic cholesterol accumulation, increased CETP mRNA levels in HepG2 cells by approximately 220%, while LXR silencing markedly diminished the increased expression of CETP. Pitavastatin (5 μM) decreased basal CETP mRNA levels by 21%, and this was completely reversed by T0901317. CONCLUSION Baseline CETP levels may predict the lipid-reducing effects of pitavastatin. Pitavastatin-induced CETP reductions may be partially attributed to decreased LXR activity, predictable by the ensuing decline in hepatic cholesterol synthesis. TRIAL REGISTRATION UMIN Clinical Trials Registry ID UMIN000019020.
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Affiliation(s)
- Akihiro Shimada
- Department of Clinical Laboratory and Nephrology, University of Fukui Hospital, 23-3 Matsuoka-shimoaizuki, Eiheiji, Yoshida, Fukui, 910-1193, Japan
| | - Hideki Kimura
- Department of Clinical Laboratory and Nephrology, University of Fukui Hospital, 23-3 Matsuoka-shimoaizuki, Eiheiji, Yoshida, Fukui, 910-1193, Japan.
| | - Koji Oida
- Division of Internal Medicine, Fukui Chuo Clinic, 4-5-10, Matsumoto, Fukui, 910-0003, Japan
| | - Hideo Kanehara
- Division of Endocrinology, Fukui-ken Saiseikai Hospital, 7-1, Funahashi, Wadanaka, 918-8503, Japan
| | - Yukihiro Bando
- Division of Endocrinology, Fukui-ken Saiseikai Hospital, 7-1, Funahashi, Wadanaka, 918-8503, Japan
| | - Shinobu Sakamoto
- Division of Internal Medicine, Yasukawa Hospital, 2-108, Owada, Fukui, 910-0005, Japan
| | - Takanobu Wakasugi
- Division of Endocrinology, Fukui Prefectural Hospital, 2-8-1, Yotsui, Fukui, 910-8526, Japan
| | - Takashi Saga
- Division of Internal Medicine, Tanaka Hospital, 2-3-1 Ohte, Fukui, Fukui, 910-0005, Japan
| | - Yasuki Ito
- Research and Development Department, Denka Seiken Co. Ltd, Tokyo, Japan
| | - Kazuko Kamiyama
- Division of Nephrology, Department of Medicine, School of Medicine, Faculty of Medical Sciences, University of Fukui, 23-3 Matsuoka-shimoaizuki, Eiheiji, Yoshida, Fukui, 910-1193, Japan
| | - Daisuke Mikami
- Division of Nephrology, Department of Medicine, School of Medicine, Faculty of Medical Sciences, University of Fukui, 23-3 Matsuoka-shimoaizuki, Eiheiji, Yoshida, Fukui, 910-1193, Japan
| | - Masayuki Iwano
- Division of Nephrology, Department of Medicine, School of Medicine, Faculty of Medical Sciences, University of Fukui, 23-3 Matsuoka-shimoaizuki, Eiheiji, Yoshida, Fukui, 910-1193, Japan
| | - Tsutomu Hirano
- Department of Medicine, Division of Diabetes, Metabolism, and Endocrinology, Showa University School of Medicine, Tokyo, Japan
| | - Haruyoshi Yoshida
- Division of Nephrology, Department of Medicine, School of Medicine, Faculty of Medical Sciences, University of Fukui, 23-3 Matsuoka-shimoaizuki, Eiheiji, Yoshida, Fukui, 910-1193, Japan.,Division of Nephrology, Obama Municipal Hospital, 2-2 Ohte, Obama, Fukui, 917-8567, Japan
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11
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Mean postprandial triglyceride concentration is an independent risk factor for carotid atherosclerosis in patients with type 2 diabetes. Clin Chim Acta 2014; 430:134-9. [DOI: 10.1016/j.cca.2013.12.022] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2013] [Revised: 12/14/2013] [Accepted: 12/17/2013] [Indexed: 11/23/2022]
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12
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Yildirim E, Bugan B, Celik M, Yuksel UC, Yalçinkaya E. Small dense low-density lipoprotein could be used as a therapeutic marker for treatment in patients with acute coronary syndrome. Angiology 2013; 64:644. [PMID: 23620307 DOI: 10.1177/0003319713485806] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Affiliation(s)
- Erkan Yildirim
- 1Department of Cardiology, Gülhane Military Medical Academy, Ankara, Turkey
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13
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Hirayama S, Miida T. Small dense LDL: An emerging risk factor for cardiovascular disease. Clin Chim Acta 2012; 414:215-24. [DOI: 10.1016/j.cca.2012.09.010] [Citation(s) in RCA: 96] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2012] [Revised: 08/24/2012] [Accepted: 09/07/2012] [Indexed: 10/27/2022]
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14
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Nagata T, Sugiyama D, Kise T, Tsuji S, Ohira H, Sato I, Yamamoto M, Kohsaka H, Kawano S, Yamashita S, Ishikawa Y, Fujioka Y. Fasting remnant lipoproteins can predict postprandial hyperlipidemia. Lipids Health Dis 2012; 11:146. [PMID: 23110373 PMCID: PMC3543223 DOI: 10.1186/1476-511x-11-146] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2012] [Accepted: 10/26/2012] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Hypertriglyceridemia and postprandial hyperlipidemia is thought to play an important role in atherosclerosis, but to select patients at high-risk for cardiovascular diseases is difficult with triglycerides (TG) alone in these patients. METHODS To predict postprandial hyperlipidemia without inconvenient test meal loading, we examined lipid concentrations before and after test meal loading and fasting adiponectin, and investigated which of these other than TG were significant during the fasting period in 45 healthy individuals (men: women, 26:19). RESULTS TG, remnant-like particle-cholesterol and -triglyceride (RemL-C, RLP-C, and RLP-TG), and TG/apolipoprotein(apo)B were significantly elevated after loading and fasting values significantly and positively correlated with incremental area under the curve (iAUC) (r=0.80, r=0.79, r=0.63, r=0.58, r=0.54; p<0.0001). Fasting adiponectin positively correlated with fasting high-density lipoprotein-cholesterol (r=0.43, p<0.005) and apoA-I (r=0.34, p<0.05), and negatively correlated with iAUC of TG, RemL-C, RLP-C, RLP-TG, and TG/apoB (r=-0.37, r=-0.41, r=-0.37, r=-0.36, r=-0.37; p<0.05). We constructed the model of multivariable linear regression analysis without fasting TG. In the sex-, BMI-, age-, and waist circumference-adjusted analysis of postprandial TG elevation 2 h after test meal loading in all participants, RemL-C, RLP-C, RLP-TG, and TG/apoB were significant factors, but adiponectin was not. CONCLUSION Fasting triglyceride-rich lipoprotein-related values, especially RemL-C, RLP-C, RLP-TG, and TG/apoB are useful predictors of postprandial hyperlipidemia in young healthy individuals. Although fasting adiponectin concentration correlated with the iAUCs for TG, RemL-C, RLP-C, RLP-TG, and TG/apoB, it was not a significant predictor of postprandial hyperlipidemia in multivariable linear regression analysis.
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Affiliation(s)
- Tomoki Nagata
- Division of Clinical Nutrition, Faculty of Nutrition, Kobe Gakuin University, 518 Arise, Ikawadani-cho, Nishi-ku, Kobe, 651-2180, Japan
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15
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Lee AYH, Yates NA, Ichetovkin M, Deyanova E, Southwick K, Fisher TS, Wang W, Loderstedt J, Walker N, Zhou H, Zhao X, Sparrow CP, Hubbard BK, Rader DJ, Sitlani A, Millar JS, Hendrickson RC. Measurement of fractional synthetic rates of multiple protein analytes by triple quadrupole mass spectrometry. Clin Chem 2012; 58:619-27. [PMID: 22249652 DOI: 10.1373/clinchem.2011.172429] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
BACKGROUND Current approaches to measure protein turnover that use stable isotope-labeled tracers via GC-MS are limited to a small number of relatively abundant proteins. We developed a multiplexed liquid chromatography-selected reaction monitoring mass spectrometry (LC-SRM) assay to measure protein turnover and compared the fractional synthetic rates (FSRs) for 2 proteins, VLDL apolipoprotein B100 (VLDL apoB100) and HDL apoA-I, measured by both methods. We applied this technique to other proteins for which kinetics are not readily measured with GC-MS. METHODS Subjects were given a primed-constant infusion of [5,5,5-D(3)]-leucine (D(3)-leucine) for 15 h with blood samples collected at selected time points. Apolipoproteins isolated by SDS-PAGE from lipoprotein fractions were analyzed by GC-MS or an LC-SRM assay designed to measure the M+3/M+0 ratio at >1% D(3)-leucine incorporation. We calculated the FSR for each apolipoprotein by curve fitting the tracer incorporation data from each subject. RESULTS The LC-SRM method was linear over the range of tracer enrichment values tested and highly correlated with GC-MS (R(2) > 0.9). The FSRs determined from both methods were similar for HDL apoA-I and VLDL apoB100. We were able to apply the LC-SRM approach to determine the tracer enrichment of multiple proteins from a single sample as well as proteins isolated from plasma after immunoprecipitation. CONCLUSIONS The LC-SRM method provides a new technique for measuring the enrichment of proteins labeled with stable isotopes. LC-SRM is amenable to a multiplexed format to provide a relatively rapid and inexpensive means to measure turnover of multiple proteins simultaneously.
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Affiliation(s)
- Anita Y H Lee
- Molecular Biomarker Laboratory, Merck Research Laboratories, Rahway, NJ, USA
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16
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Fukushima Y, Hirayama S, Ueno T, Dohi T, Miyazaki T, Ohmura H, Mokuno H, Miyauchi K, Miida T, Daida H. Small dense LDL cholesterol is a robust therapeutic marker of statin treatment in patients with acute coronary syndrome and metabolic syndrome. Clin Chim Acta 2011; 412:1423-7. [PMID: 21530500 DOI: 10.1016/j.cca.2011.04.021] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2011] [Revised: 04/13/2011] [Accepted: 04/13/2011] [Indexed: 01/26/2023]
Abstract
BACKGROUND Small dense low-density lipoprotein (sd-LDL) is an atherogenic LDL subfraction and often increased in metabolic syndrome (MetS). This study aimed to determine whether sd-LDL cholesterol (sd-LDL-C) is a therapeutic marker of statin treatment in patients with acute coronary syndrome (ACS) and MetS. METHODS We examined 71 patients with ACS and 50 non-ACS subjects with normal coronary arteries (controls). The patients with ACS were treated with life-style modifications (n=36) or those plus 20mg atorvastatin daily (n=35) for 6 months. We measured sd-LDL-C by a novel detergent-based homogenous assay and calculated buoyant LDL-C (b-LDL-C). RESULTS The patients with ACS had higher sd-LDL-C than did the controls (30±14 vs. 22±8 mg/dl, p<0.001). Furthermore, sd-LDL-C was higher in the patients with ACS and MetS (n=31) than in those without MetS (n=40) (35±17 vs. 27±11 mg/dl, p<0.05). Atorvastatin reduced LDL-C and sd-LDL-C by 31% (102±23 to 70±28 mg/dl, p<0.0001) and 24% (29±15 to 22±13 mg/dl, p<0.01). The reduction in sd-LDL-C by atorvastatin was 5.5-fold greater in the patients with ACS and MetS than in those without MetS (p<0.001). Contrary, that in b-LDL-C was similar between the groups. CONCLUSIONS sd-LDL-C is a superior therapeutic marker of statin treatment in patients with ACS and MetS.
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Affiliation(s)
- Yoshifumi Fukushima
- Department of Cardiology, Juntendo University Faculty of Medicine, Tokyo, Japan
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