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Klejbuk K, Strączkowski M. Interleukin-38 and Insulin Resistance. Endocr Metab Immune Disord Drug Targets 2024; 24:611-616. [PMID: 37702180 DOI: 10.2174/1871530323666230911114150] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/20/2023] [Revised: 07/07/2023] [Accepted: 08/07/2023] [Indexed: 09/14/2023]
Abstract
Insulin resistance, i.e., decreased biological response to insulin, is a risk factor for many diseases, such as obesity, type 2 diabetes (T2DM), cardiovascular disease, polycystic ovary syndrome, some forms of cancer and neurodegenerative diseases. One of its main causes is chronic low-grade inflammation, mediated by the proinflammatory pathways, such as the c-Jun N-terminal kinase (JNK) pathway and the nuclear factor kappa B (NFκB) pathway. Interleukin (IL)-38 (IL-38) is a newly discovered cytokine that belongs to the IL-1 family. There are three hypothetical pathways through which IL-38 may bind to the specific receptors and inhibit their proinflammatory activity. Those pathways are associated with IL-36 receptor (IL-36R), IL-1 receptor accessory protein-like 1 (IL1RAPL1) and IL-1 receptor 1 (IL1R1). There are studies linking IL-38 to improve insulin sensitivity through the difference in serum IL-38 in patients with insulin resistance or the correlation of IL-38 concentrations with insulin resistance indexes. However, many questions still remain regarding the biological activity of IL-38 itself and its role in the pathogenesis of insulin resistance. The goal of this study is to showcase IL-38, its biological activity, hypothesized signaling pathways, connection with insulin resistance and future perspectives of research on IL-38. We present that IL-38 associated signaling can be a potential target for the treatment of insulin resistance and associated diseases.
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Affiliation(s)
- Kamil Klejbuk
- Department of Prophylaxis of Metabolic Diseases, Institute of Animal Reproduction and Food Research, Polish Academy of Sciences in Olsztyn, Białystok, Poland
| | - Marek Strączkowski
- Department of Prophylaxis of Metabolic Diseases, Institute of Animal Reproduction and Food Research, Polish Academy of Sciences in Olsztyn, Białystok, Poland
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102
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Yang C, Pan RY, Guan F, Yuan Z. Lactate metabolism in neurodegenerative diseases. Neural Regen Res 2024; 19:69-74. [PMID: 37488846 PMCID: PMC10479854 DOI: 10.4103/1673-5374.374142] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2023] [Revised: 03/08/2023] [Accepted: 03/30/2023] [Indexed: 07/26/2023] Open
Abstract
Lactate, a byproduct of glycolysis, was thought to be a metabolic waste until the discovery of the Warburg effect. Lactate not only functions as a metabolic substrate to provide energy but can also function as a signaling molecule to modulate cellular functions under pathophysiological conditions. The Astrocyte-Neuron Lactate Shuttle has clarified that lactate plays a pivotal role in the central nervous system. Moreover, protein lactylation highlights the novel role of lactate in regulating transcription, cellular functions, and disease development. This review summarizes the recent advances in lactate metabolism and its role in neurodegenerative diseases, thus providing optimal perspectives for future research.
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Affiliation(s)
- Chaoguang Yang
- The Brain Science Center, Beijing Institute of Basic Medical Sciences, Beijing, China
- School of Life Sciences, Zhengzhou University, Zhengzhou, Henan Province, China
| | - Rui-Yuan Pan
- The Brain Science Center, Beijing Institute of Basic Medical Sciences, Beijing, China
| | - Fangxia Guan
- School of Life Sciences, Zhengzhou University, Zhengzhou, Henan Province, China
| | - Zengqiang Yuan
- The Brain Science Center, Beijing Institute of Basic Medical Sciences, Beijing, China
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103
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Adamson PM, Datta K, Watkins R, Recht LD, Hurd RE, Spielman DM. Deuterium metabolic imaging for 3D mapping of glucose metabolism in humans with central nervous system lesions at 3T. Magn Reson Med 2024; 91:39-50. [PMID: 37796151 PMCID: PMC10841984 DOI: 10.1002/mrm.29830] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2023] [Revised: 07/19/2023] [Accepted: 07/28/2023] [Indexed: 10/06/2023]
Abstract
PURPOSE To explore the potential of 3T deuterium metabolic imaging (DMI) using a birdcage 2 H radiofrequency (RF) coil in both healthy volunteers and patients with central nervous system (CNS) lesions. METHODS A modified gradient filter, home-built 2 H volume RF coil, and spherical k-space sampling were employed in a three-dimensional chemical shift imaging acquisition to obtain high-quality whole-brain metabolic images of 2 H-labeled water and glucose metabolic products. These images were acquired in a healthy volunteer and three subjects with CNS lesions of varying pathologies. Hardware and pulse sequence experiments were also conducted to improve the signal-to-noise ratio of DMI at 3T. RESULTS The ability to quantify local glucose metabolism in correspondence to anatomical landmarks across patients with varying CNS lesions is demonstrated, and increased lactate is observed in one patient with the most active disease. CONCLUSION DMI offers the potential to examine metabolic activity in human subjects with CNS lesions with DMI at 3T, promising for the potential of the future clinical translation of this metabolic imaging technique.
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Affiliation(s)
- Philip M. Adamson
- Department of Electrical Engineering, Stanford University, Stanford, California USA
| | - Keshav Datta
- Department of Radiology, Stanford University, Stanford, California, USA
| | - Ron Watkins
- Department of Radiology, Stanford University, Stanford, California, USA
| | - Lawrence D. Recht
- Department of Neurology, Stanford University, Stanford, California, USA
| | - Ralph E. Hurd
- Department of Radiology, Stanford University, Stanford, California, USA
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104
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Satarug S. Is Environmental Cadmium Exposure Causally Related to Diabetes and Obesity? Cells 2023; 13:83. [PMID: 38201287 PMCID: PMC10778334 DOI: 10.3390/cells13010083] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2023] [Revised: 12/27/2023] [Accepted: 12/28/2023] [Indexed: 01/12/2024] Open
Abstract
Cadmium (Cd) is a pervasive toxic metal, present in most food types, cigarette smoke, and air. Most cells in the body will assimilate Cd, as its charge and ionic radius are similar to the essential metals, iron, zinc, and calcium (Fe, Zn, and Ca). Cd preferentially accumulates in the proximal tubular epithelium of the kidney, and is excreted in urine when these cells die. Thus, excretion of Cd reflects renal accumulation (body burden) and the current toxicity of Cd. The kidney is the only organ other than liver that produces and releases glucose into the circulation. Also, the kidney is responsible for filtration and the re-absorption of glucose. Cd is the least recognized diabetogenic substance although research performed in the 1980s demonstrated the diabetogenic effects of chronic oral Cd administration in neonatal rats. Approximately 10% of the global population are now living with diabetes and over 80% of these are overweight or obese. This association has fueled an intense search for any exogenous chemicals and lifestyle factors that could induce excessive weight gain. However, whilst epidemiological studies have clearly linked diabetes to Cd exposure, this appears to be independent of adiposity. This review highlights Cd exposure sources and levels associated with diabetes type 2 and the mechanisms by which Cd disrupts glucose metabolism. Special emphasis is on roles of the liver and kidney, and cellular stress responses and defenses, involving heme oxygenase-1 and -2 (HO-1 and HO-2). From heme degradation, both HO-1 and HO-2 release Fe, carbon monoxide, and a precursor substrate for producing a potent antioxidant, bilirubin. HO-2 appears to have also anti-diabetic and anti-obese actions. In old age, HO-2 deficient mice display a symptomatic spectrum of human diabetes, including hyperglycemia, insulin resistance, increased fat deposition, and hypertension.
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Affiliation(s)
- Soisungwan Satarug
- Kidney Disease Research Collaborative, Translational Research Institute, Woolloongabba, Brisbane, QLD 4102, Australia
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105
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Deng H, Rao X, Zhang S, Chen L, Zong Y, Zhou R, Meng R, Dong X, Wu G, Li Q. Protein kinase CK2: An emerging regulator of cellular metabolism. Biofactors 2023. [PMID: 38158592 DOI: 10.1002/biof.2032] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/21/2023] [Accepted: 12/02/2023] [Indexed: 01/03/2024]
Abstract
The protein kinase casein kinase 2 (CK2) exerts its influence on the metabolism of three major cellular substances by phosphorylating essential protein molecules involved in various cellular metabolic pathways. These substances include hormones, especially insulin, rate-limiting enzymes, transcription factors of key genes, and cytokines. This regulatory role of CK2 is closely tied to important cellular processes such as cell proliferation and apoptosis. Additionally, tumor cells undergo metabolic reprogramming characterized by aerobic glycolysis, accelerated lipid β-oxidation, and abnormally active glutamine metabolism. In this context, CK2, which is overexpressed in various tumors, also plays a pivotal role. Hence, this review aims to summarize the regulatory mechanisms of CK2 in diverse metabolic pathways and tumor development, providing novel insights for the diagnosis, treatment, and prognosis of metabolism-related diseases and cancers.
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Affiliation(s)
- Huilin Deng
- Cancer Center, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
- Institute of Radiation Oncology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Xinrui Rao
- Cancer Center, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
- Institute of Radiation Oncology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Sijia Zhang
- Cancer Center, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
- Institute of Radiation Oncology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Leichong Chen
- Cancer Center, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
- Institute of Radiation Oncology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Yan Zong
- Cancer Center, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
- Institute of Radiation Oncology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Rui Zhou
- Cancer Center, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
- Institute of Radiation Oncology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Rui Meng
- Cancer Center, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
- Institute of Radiation Oncology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Xiaorong Dong
- Cancer Center, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
- Institute of Radiation Oncology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Gang Wu
- Cancer Center, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
- Institute of Radiation Oncology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Qianwen Li
- Cancer Center, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
- Institute of Radiation Oncology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
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Hogg M, Wolfschmitt EM, Wachter U, Zink F, Radermacher P, Vogt JA. Bayesian 13C-Metabolic Flux Analysis of Parallel Tracer Experiments in Granulocytes: A Directional Shift within the Non-Oxidative Pentose Phosphate Pathway Supports Phagocytosis. Metabolites 2023; 14:24. [PMID: 38248827 PMCID: PMC10820746 DOI: 10.3390/metabo14010024] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2023] [Revised: 11/29/2023] [Accepted: 12/20/2023] [Indexed: 01/23/2024] Open
Abstract
The pentose phosphate pathway (PPP) plays a key role in the cellular regulation of immune function; however, little is known about the interplay of metabolic adjustments in granulocytes, especially regarding the non-oxidative PPP. For the determination of metabolic mechanisms within glucose metabolism, we propose a novel set of measures for 13C-metabolic flux analysis based on ex vivo parallel tracer experiments ([1,2-13C]glucose, [U-13C]glucose, [4,5,6-13C]glucose) and gas chromatography-mass spectrometry labeling measurements of intracellular metabolites, such as sugar phosphates and their fragments. A detailed constraint analysis showed that the permission range for net and irreversible fluxes was limited to a three-dimensional space. The overall workflow, including its Bayesian flux estimation, resulted in precise flux distributions and pairwise confidence intervals, some of which could be represented as a line due to the strength of their correlation. The principal component analysis that was enabled by these behaviors comprised three components that explained 99.6% of the data variance. It showed that phagocytic stimulation reversed the direction of non-oxidative PPP net fluxes from ribose-5-phosphate biosynthesis toward glycolytic pathways. This process was closely associated with the up-regulation of the oxidative PPP to promote the oxidative burst.
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Affiliation(s)
- Melanie Hogg
- Institute for Anesthesiological Pathophysiology and Process Engineering, Ulm University Medical Center, 89081 Ulm, Germany; (E.-M.W.); (U.W.); (F.Z.); (P.R.); (J.A.V.)
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107
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Chen Z, Jing S, Sun Y. Correlation between serum thyroid stimulating hormone level and glycolipid metabolism in patients with polycystic ovary syndrome. Medicine (Baltimore) 2023; 102:e36791. [PMID: 38206696 PMCID: PMC10754552 DOI: 10.1097/md.0000000000036791] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/29/2023] [Accepted: 12/05/2023] [Indexed: 01/13/2024] Open
Abstract
To investigate the correlation between serum thyroid-stimulating hormone (TSH) levels and glycolipid metabolism in patients with polycystic ovary syndrome (PCOS). From January 2021 to November 2022, 105 patients with PCOS were selected for this retrospective study. All patients were administered drug-induced ovulation treatment and were divided into 2 groups according to ovulation status. There were 67 and 38 patients in the ovulation and non-ovulation groups, respectively. Venous blood (5 mL) was collected on the day after admission from the non-ovulation group and on the day of physical examination from the ovulation group. Several indicators were measured, including TSH, fasting plasma glucose (FPG), glycosylated hemoglobin, total cholesterol (TC), high-density lipoprotein cholesterol, low-density lipoprotein cholesterol, triglyceride (TG), albumin (ALB), prealbumin (PA), and transferrin (TF). Weight, BMI, waistline, and hipline in the non-ovulation group were significantly higher than those in the ovulation group (P < .05). There were no significant differences in glycosylated hemoglobin, high-density lipoprotein cholesterol, and low-density lipoprotein cholesterol levels between the non-ovulation and ovulation groups (P > .05). Compared with the ovulation group, the levels of TSH, FPG, TC, and TG in the non-ovulation group were significantly higher (P < .05). Serum ALB, PA, and TF the non-ovulation group were significantly higher than those in the ovulation group (P < .05). Correlation analysis showed that TSH was negatively correlated with weight, BMI, waistline, hipline, waist-hip ratio, FPG, ALB, PA, and TF in the non-ovulation group (P < .05) and had no significant correlation with TC and TG (P > .05). Our findings demonstrate TSH levels may be associated with weight, BMI, waistline, hipline, waist-hip ratio, FPG, ALB, PA, and TF in patients with PCOS.
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Affiliation(s)
- Zhongyu Chen
- Department of Gynecology, Suzhou Hospital of Anhui Medical University (Suzhou Municipal Hospital of Anhui Province), Suzhou, Anhui, China
| | - Shui Jing
- Department of Gynecology, Suzhou Hospital of Anhui Medical University (Suzhou Municipal Hospital of Anhui Province), Suzhou, Anhui, China
| | - Yanyan Sun
- Department of Gynecology, Suzhou Hospital of Anhui Medical University (Suzhou Municipal Hospital of Anhui Province), Suzhou, Anhui, China
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108
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Lin TY, Ramsamooj S, Perrier T, Liberatore K, Lantier L, Vasan N, Karukurichi K, Hwang SK, Kesicki EA, Kastenhuber ER, Wiederhold T, Yaron TM, Huntsman EM, Zhu M, Ma Y, Paddock MN, Zhang G, Hopkins BD, McGuinness O, Schwartz RE, Ersoy BA, Cantley LC, Johnson JL, Goncalves MD. Epinephrine inhibits PI3Kα via the Hippo kinases. Cell Rep 2023; 42:113535. [PMID: 38060450 PMCID: PMC10809223 DOI: 10.1016/j.celrep.2023.113535] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2022] [Revised: 10/23/2023] [Accepted: 11/16/2023] [Indexed: 12/30/2023] Open
Abstract
The phosphoinositide 3-kinase p110α is an essential mediator of insulin signaling and glucose homeostasis. We interrogated the human serine, threonine, and tyrosine kinome to search for novel regulators of p110α and found that the Hippo kinases phosphorylate p110α at T1061, which inhibits its activity. This inhibitory state corresponds to a conformational change of a membrane-binding domain on p110α, which impairs its ability to engage membranes. In human primary hepatocytes, cancer cell lines, and rodent tissues, activation of the Hippo kinases MST1/2 using forskolin or epinephrine is associated with phosphorylation of T1061 and inhibition of p110α, impairment of downstream insulin signaling, and suppression of glycolysis and glycogen synthesis. These changes are abrogated when MST1/2 are genetically deleted or inhibited with small molecules or if the T1061 is mutated to alanine. Our study defines an inhibitory pathway of PI3K signaling and a link between epinephrine and insulin signaling.
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Affiliation(s)
- Ting-Yu Lin
- Meyer Cancer Center, Weill Cornell Medicine, New York, NY 10021, USA; Weill Cornell Graduate School of Medical Sciences, New York, NY 10021, USA
| | - Shakti Ramsamooj
- Meyer Cancer Center, Weill Cornell Medicine, New York, NY 10021, USA; Division of Endocrinology, Weill Cornell Medicine, New York, NY 10021, USA
| | - Tiffany Perrier
- Meyer Cancer Center, Weill Cornell Medicine, New York, NY 10021, USA; Division of Endocrinology, Weill Cornell Medicine, New York, NY 10021, USA
| | | | - Louise Lantier
- Molecular Physiology & Biophysics, Vanderbilt University, Nashville, TN 37232, USA
| | - Neil Vasan
- Meyer Cancer Center, Weill Cornell Medicine, New York, NY 10021, USA
| | | | - Seo-Kyoung Hwang
- Meyer Cancer Center, Weill Cornell Medicine, New York, NY 10021, USA; Division of Endocrinology, Weill Cornell Medicine, New York, NY 10021, USA
| | | | | | | | - Tomer M Yaron
- Meyer Cancer Center, Weill Cornell Medicine, New York, NY 10021, USA; Englander Institute for Precision Medicine, Institute for Computational Biomedicine, Department of Physiology and Biophysics, Weill Cornell Medicine, New York, NY 10065, USA
| | - Emily M Huntsman
- Meyer Cancer Center, Weill Cornell Medicine, New York, NY 10021, USA; Englander Institute for Precision Medicine, Institute for Computational Biomedicine, Department of Physiology and Biophysics, Weill Cornell Medicine, New York, NY 10065, USA
| | - Mengmeng Zhu
- Proteomics and Metabolomics Core Facility, Weill Cornell Medicine, New York, NY 10021, USA
| | - Yilun Ma
- Meyer Cancer Center, Weill Cornell Medicine, New York, NY 10021, USA
| | - Marcia N Paddock
- Meyer Cancer Center, Weill Cornell Medicine, New York, NY 10021, USA
| | - Guoan Zhang
- Proteomics and Metabolomics Core Facility, Weill Cornell Medicine, New York, NY 10021, USA
| | | | - Owen McGuinness
- Molecular Physiology & Biophysics, Vanderbilt University, Nashville, TN 37232, USA
| | - Robert E Schwartz
- Division of Gastroenterology & Hepatology, Weill Cornell Medicine, New York, NY 10021, USA
| | - Baran A Ersoy
- Division of Gastroenterology & Hepatology, Weill Cornell Medicine, New York, NY 10021, USA
| | - Lewis C Cantley
- Meyer Cancer Center, Weill Cornell Medicine, New York, NY 10021, USA
| | - Jared L Johnson
- Meyer Cancer Center, Weill Cornell Medicine, New York, NY 10021, USA.
| | - Marcus D Goncalves
- Meyer Cancer Center, Weill Cornell Medicine, New York, NY 10021, USA; Division of Endocrinology, Weill Cornell Medicine, New York, NY 10021, USA.
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Shi L, Kang K, Wang Z, Wang J, Xiao J, Peng Q, Hu R, Zhou J, Zhang X, Yue Z, Zou H, Xue B, Wang L. Glucose Regulates Glucose Transport and Metabolism via mTOR Signaling Pathway in Bovine Placental Trophoblast Cells. Animals (Basel) 2023; 14:40. [PMID: 38200771 PMCID: PMC10778405 DOI: 10.3390/ani14010040] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2023] [Revised: 12/16/2023] [Accepted: 12/18/2023] [Indexed: 01/12/2024] Open
Abstract
It has been confirmed that improving the energy level of the diet contributed to the greater reproductive performance and birth weight of calves in periparturient dairy cows. To investigate the effect of glucose on nutrient transport during fetal development, the bovine placental trophoblast cells (BPTCs) were cultured in media with different glucose concentrations (1, 2, 4, 8, or 16 mg/mL). Subsequently, the BPTCs were cultured in media with 1, 8 mg/mL glucose and 8 mg/mL glucose plus 100 nmol/L rapamycin (the inhibitor of mTOR pathway). Compared with the 1 mg/mL glucose, the addition of 8 mg/mL glucose stimulated cell proliferation, upregulated the mRNA abundance of the glucose transporter GLUT1 and GLUT4, and increased the activity of glucose metabolism-related enzyme glucose-6-phosphate dehydrogenease (G6PD), lactate dehydrogenase (LDHA) and phosphoglycerate kinase 1 (PGK1), as well as adenosine-triphosphate (ATP) content (p < 0.05).Furthermore, compared with the treatment of 1 mg/mL glucose, adding 8 mg/mL of glucose-upregulated gene expression in the mTOR signaling pathway, including phosphatidylinositol3-kinase (PI3K), protein kinase B (Akt), mammalian target of rapamycin (mTOR) and 70 kDa ribosomal protein S6 kinase 2 (P70S6K) (p < 0.05).The supplementation of rapamycin downregulated the gene and protein expression of the mTOR signaling pathway, including mTOR, P70S6K, EIF4E-binding protein 1 (4EBP1), hypoxia-inducible factor 1-alpha (HIF-1α) and gene expression of glucose transporter upregulated by 8 mg/mL glucose (p < 0.05). Thus, these results indicated that the addition of 8 mg/mL glucose regulated the glucose transport and metabolism in BPTCs through the mTOR signaling pathway, thereby promoting the supply of nutrients to fetus.
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Affiliation(s)
| | | | - Zhisheng Wang
- Low Carbon Breeding Cattle and Safety Production University Key Laboratory of Sichuan Province, Animal Nutrition Institute, Sichuan Agricultural University, Chengdu 611130, China; (L.S.); (K.K.); (J.W.); (J.X.); (Q.P.); (R.H.); (J.Z.); (X.Z.); (Z.Y.); (H.Z.); (B.X.); (L.W.)
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110
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Zhu Y, Wang H, Ma R, Zhang L, Wang Y, Zhang Y, Shao Z, Zhu D, Zhu P. Association of Gestational Diabetes Mellitus Complicated With Short Sleep Duration and Child Neurodevelopmental Delay. J Clin Endocrinol Metab 2023; 109:e216-e224. [PMID: 37515585 DOI: 10.1210/clinem/dgad446] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/23/2023] [Revised: 07/01/2023] [Accepted: 07/28/2023] [Indexed: 07/31/2023]
Abstract
CONTEXT Gestational diabetes mellitus (GDM) is a risk factor for child neurodevelopmental delay. Maternal short sleep duration (SSD) may aggravate glucose metabolism disorder in women with GDM. However, it is unclear whether maternal SSD will further affect the neurodevelopmental outcomes of children. OBJECTIVE To identify the association of GDM complicated with SSD and child neurodevelopmental delay. METHODS This prospective study included 7069 mother-child pairs. Between 24 and 28 weeks of gestation, GDM was based on the 75-g oral-glucose-tolerance test. Self-reported sleep duration was collected via the Pittsburgh Sleep Quality Index questionnaire in the second (24-28 weeks) and third (32-36 weeks) trimesters. Outcomes of neurodevelopmental delay in 6 to 36 months postpartum were evaluated using Denver Developmental Screening Test-II and Gesell Development Diagnosis Scale. RESULTS Compared with the unexposed group, women with "GDM + SSD" have the greatest risks of child neurodevelopmental delay (hazard ratio with 95% CI: 1.58 [1.03-2.44]). "GDM + SSD" was associated with the greatest risks of maternal-fetal glucose metabolic disorder. An interquartile ratio (0.58 mmol/L) increase in cord blood C-peptide was associated with the risk of child neurodevelopmental delay (hazard ratio with 95% CI: 1.28 [1.12-1.48]). The stronger linear association of maternal glucose metabolism profiles and C-peptide in women with "GDM + SSD" was also demonstrated. The proportion of association between "GDM + SSD" and child neurodevelopmental delay mediated by C-peptide was 14.4%. CONCLUSION GDM complicated with SSD was associated with increased risk for child neurodevelopmental delay by enhancing the intergenerational association of maternal-fetal glucose metabolism disorder.
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Affiliation(s)
- Yuanyuan Zhu
- Department of Maternal, Child and Adolescent Health, School of Public Health, Anhui Medical University, Hefei 230000, China
- MOE Key Laboratory of Population Health Across Life Cycle, Anhui Medical University, Hefei 230000, China
- NHC Key Laboratory of Study on Abnormal Gametes and Reproductive Tract, Anhui Medical University, Hefei 230000, China
- Anhui Provincial Key Laboratory of Population Health and Aristogenics, Anhui Medical University, Hefei 230000, China
| | - Haixia Wang
- Department of Maternal, Child and Adolescent Health, School of Public Health, Anhui Medical University, Hefei 230000, China
- MOE Key Laboratory of Population Health Across Life Cycle, Anhui Medical University, Hefei 230000, China
- NHC Key Laboratory of Study on Abnormal Gametes and Reproductive Tract, Anhui Medical University, Hefei 230000, China
- Anhui Provincial Key Laboratory of Population Health and Aristogenics, Anhui Medical University, Hefei 230000, China
| | - Ruirui Ma
- Department of Maternal, Child and Adolescent Health, School of Public Health, Anhui Medical University, Hefei 230000, China
- MOE Key Laboratory of Population Health Across Life Cycle, Anhui Medical University, Hefei 230000, China
- NHC Key Laboratory of Study on Abnormal Gametes and Reproductive Tract, Anhui Medical University, Hefei 230000, China
- Anhui Provincial Key Laboratory of Population Health and Aristogenics, Anhui Medical University, Hefei 230000, China
| | - Lei Zhang
- Department of Maternal, Child and Adolescent Health, School of Public Health, Anhui Medical University, Hefei 230000, China
- MOE Key Laboratory of Population Health Across Life Cycle, Anhui Medical University, Hefei 230000, China
- NHC Key Laboratory of Study on Abnormal Gametes and Reproductive Tract, Anhui Medical University, Hefei 230000, China
- Anhui Provincial Key Laboratory of Population Health and Aristogenics, Anhui Medical University, Hefei 230000, China
| | - Yuhong Wang
- Department of Maternal, Child and Adolescent Health, School of Public Health, Anhui Medical University, Hefei 230000, China
- MOE Key Laboratory of Population Health Across Life Cycle, Anhui Medical University, Hefei 230000, China
- NHC Key Laboratory of Study on Abnormal Gametes and Reproductive Tract, Anhui Medical University, Hefei 230000, China
- Anhui Provincial Key Laboratory of Population Health and Aristogenics, Anhui Medical University, Hefei 230000, China
| | - Yu Zhang
- Department of Sleep Disorders, Affiliated Psychological Hospital of Anhui Medical University, Hefei 230000, China
- Hefei Fourth People's Hospital, Hefei 230000, China
- Anhui Mental Health Center, Hefei 230000, China
| | - Ziyu Shao
- Maternal and Child Health Service Center, Hefei 230000, China
| | - Daomin Zhu
- Department of Sleep Disorders, Affiliated Psychological Hospital of Anhui Medical University, Hefei 230000, China
- Hefei Fourth People's Hospital, Hefei 230000, China
- Anhui Mental Health Center, Hefei 230000, China
| | - Peng Zhu
- Department of Maternal, Child and Adolescent Health, School of Public Health, Anhui Medical University, Hefei 230000, China
- MOE Key Laboratory of Population Health Across Life Cycle, Anhui Medical University, Hefei 230000, China
- NHC Key Laboratory of Study on Abnormal Gametes and Reproductive Tract, Anhui Medical University, Hefei 230000, China
- Anhui Provincial Key Laboratory of Population Health and Aristogenics, Anhui Medical University, Hefei 230000, China
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Selistre NG, Rodrigues L, Federhen BC, Gayger-Dias V, Taday J, Wartchow KM, Gonçalves CA. S100B Secretion in Astrocytes, Unlike C6 Glioma Cells, Is Downregulated by Lactate. Metabolites 2023; 14:7. [PMID: 38276297 PMCID: PMC10819463 DOI: 10.3390/metabo14010007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2023] [Revised: 12/14/2023] [Accepted: 12/18/2023] [Indexed: 01/27/2024] Open
Abstract
S100B is a calcium-binding protein produced and secreted by astrocytes in response to various extracellular stimuli. C6 glioma cells are a lineage commonly employed for astroglial studies due to the expression of astrocyte specific markers and behavior. However, in high-glucose medium, C6 S100B secretion increases, in contrast to the trend in primary astrocyte cultures. Additionally, S100B secretion decreases due to fluorocitrate (FC), a Krebs cycle inhibitor, highlighting a connection between S100B and metabolism. Herein, we investigate the impact of FC on S100B secretion in primary astrocyte cultures, acute hippocampal slices and C6 glioma cells, as well as lactate mediation. Our results demonstrated that C6 responded similarly to astrocytes in various parameters, despite the decrease in S100B secretion, which was inversely observed in astrocytes and slices. Furthermore, FC inversely altered extracellular lactate in both models, suggesting a role for lactate in S100B secretion. This was reinforced by a decrease in S100B secretion in hippocampal slices treated with lactate and its agonist, but not in C6 cells, despite HCAR1 expression. Our findings indicate that extracellular lactate mediates the decrease in S100B secretion in astrocytes exposed to FC. They also emphasize the differences in C6 glioma cells regarding energetic metabolism. The proposed mechanism via HCAR1 provides further compelling evidence of the relationship between S100B and glucose metabolism.
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Affiliation(s)
- Nicholas Guerini Selistre
- Biochemistry Post-Graduate Program, Federal University of Rio Grande do Sul (UFRGS), Porto Alegre 90010-150, Brazil; (N.G.S.); (L.R.); (B.C.F.); (V.G.-D.); (J.T.); (C.-A.G.)
| | - Leticia Rodrigues
- Biochemistry Post-Graduate Program, Federal University of Rio Grande do Sul (UFRGS), Porto Alegre 90010-150, Brazil; (N.G.S.); (L.R.); (B.C.F.); (V.G.-D.); (J.T.); (C.-A.G.)
| | - Barbara Carolina Federhen
- Biochemistry Post-Graduate Program, Federal University of Rio Grande do Sul (UFRGS), Porto Alegre 90010-150, Brazil; (N.G.S.); (L.R.); (B.C.F.); (V.G.-D.); (J.T.); (C.-A.G.)
| | - Vitor Gayger-Dias
- Biochemistry Post-Graduate Program, Federal University of Rio Grande do Sul (UFRGS), Porto Alegre 90010-150, Brazil; (N.G.S.); (L.R.); (B.C.F.); (V.G.-D.); (J.T.); (C.-A.G.)
| | - Jéssica Taday
- Biochemistry Post-Graduate Program, Federal University of Rio Grande do Sul (UFRGS), Porto Alegre 90010-150, Brazil; (N.G.S.); (L.R.); (B.C.F.); (V.G.-D.); (J.T.); (C.-A.G.)
| | - Krista Mineia Wartchow
- Brain Health Imaging Institute, Department of Radiology, Weill Cornell Medicine, New York, NY 10044, USA
| | - Carlos-Alberto Gonçalves
- Biochemistry Post-Graduate Program, Federal University of Rio Grande do Sul (UFRGS), Porto Alegre 90010-150, Brazil; (N.G.S.); (L.R.); (B.C.F.); (V.G.-D.); (J.T.); (C.-A.G.)
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112
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Simon-Molas H, Del Prete R, Kabanova A. Glucose metabolism in B cell malignancies: a focus on glycolysis branching pathways. Mol Oncol 2023. [PMID: 38115544 DOI: 10.1002/1878-0261.13570] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2023] [Revised: 10/13/2023] [Accepted: 12/15/2023] [Indexed: 12/21/2023] Open
Abstract
Glucose catabolism, one of the essential pathways sustaining cellular bioenergetics, has been widely studied in the context of tumors. Nevertheless, the function of various branches of glucose metabolism that stem from 'classical' glycolysis have only been partially explored. This review focuses on discussing general mechanisms and pathological implications of glycolysis and its branching pathways in the biology of B cell malignancies. We summarize here what is known regarding pentose phosphate, hexosamine, serine biosynthesis, and glycogen synthesis pathways in this group of tumors. Despite most findings have been based on malignant B cells themselves, we also discuss the role of glucose metabolism in the tumor microenvironment, with a focus on T cells. Understanding the contribution of glycolysis branching pathways and how they are hijacked in B cell malignancies will help to dissect the role they have in sustaining the dissemination and proliferation of tumor B cells and regulating immune responses within these tumors. Ultimately, this should lead to deciphering associated vulnerabilities and improve current therapeutic schedules.
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Affiliation(s)
- Helga Simon-Molas
- Departments of Experimental Immunology and Hematology, Amsterdam UMC location University of Amsterdam, The Netherlands
- Cancer Immunology, Cancer Center Amsterdam, The Netherlands
| | | | - Anna Kabanova
- Fondazione Toscana Life Sciences Foundation, Siena, Italy
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113
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Liu J, Liu T, Ren S(V, Zhu C, Bouso E, Mamlouk S, Rau CD, Wang Y, Gao C. Metabolic status differentiates Trp53inp2 function in pressure-overload induced heart failure. Front Cardiovasc Med 2023; 10:1226586. [PMID: 38188257 PMCID: PMC10766701 DOI: 10.3389/fcvm.2023.1226586] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2023] [Accepted: 11/30/2023] [Indexed: 01/09/2024] Open
Abstract
Cardiometabolic disorders encompass a broad range of cardiovascular complications associated with metabolic dysfunction. These conditions have an increasing share in the health burden worldwide due to worsening endemic of hypertension, obesity, and diabetes. Previous studies have identified Tumor Protein p53-inducible Nuclear Protein 2 (Trp53inp2) as a molecular link between hyperglycemia and cardiac hypertrophy. However, its role in cardiac pathology has never been determined in vivo. In this study, we generated a cardiac specific knockout model of Trp53inp2 (Trp53inp2-cKO) and investigated the impact of Trp53inp2 inactivation on the pathogenesis of heart failure under mechanic or/and metabolic stresses. Based on echocardiography assessment, inactivation of Trp53inp2 in heart led to accelerated onset of HFrEF in response to pressure-overload, with significantly reduced ejection fraction and elevated heart failure marker genes comparing to the control mice. In contrast, inactivation of Trp53inp2 ameliorated cardiac dysfunction induced by combined stresses of high fat diet and moderate pressure overload (Cardiometabolic Disorder Model). Moreover, Trp53inp2 inactivation led to reduced expression of glucose metabolism genes in lean, pressure-overloaded hearts. However, the same set of genes were significantly induced in the Trp53inp2-cKO hearts under both mechanical and metabolic stresses. In summary, we have demonstrated for the first time that cardiomyocyte Trp53inp2 has diametrically differential roles in the pathogenesis of heart failure and glucose regulation under mechanical vs. mechanical plus metabolic stresses. This insight suggests that Trp53inp2 may exacerbate the cardiac dysfunction during pressure overload injury but have a protective effect in cardiac diastolic function in cardiometabolic disease.
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Affiliation(s)
- Jianfang Liu
- Department of Cardiology, Renmin Hospital of Wuhan University, Wuhan, China
| | - Tian Liu
- Department of Pharmacology and Systems Physiology, University of Cincinnati, Cincinnati, OH, United States
| | - Shuxun (Vincent) Ren
- Signature Research Program in Cardiovascular and Metabolic Diseases, DukeNUS Medical School, Singapore, Singapore
| | - Cansheng Zhu
- Department of Pharmacology and Systems Physiology, University of Cincinnati, Cincinnati, OH, United States
| | - Eyad Bouso
- Department of Pharmacology and Systems Physiology, University of Cincinnati, Cincinnati, OH, United States
| | - Samir Mamlouk
- Department of Pharmacology and Systems Physiology, University of Cincinnati, Cincinnati, OH, United States
| | - Christoph D. Rau
- Department of Genetics, School of Medicine, University of North Carolina, Chapel Hill, NC, United States
| | - Yibin Wang
- Signature Research Program in Cardiovascular and Metabolic Diseases, DukeNUS Medical School, Singapore, Singapore
| | - Chen Gao
- Department of Pharmacology and Systems Physiology, University of Cincinnati, Cincinnati, OH, United States
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114
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Sun J, Tang B, Ho CT, Lu M. Piperine Attenuates Bmal1-Mediated Glucose Metabolism Disorder in a Trpv1-Dependent Manner in HepG2 Cells. J Agric Food Chem 2023; 71:19581-19591. [PMID: 38038344 DOI: 10.1021/acs.jafc.3c06683] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/02/2023]
Abstract
Piperine (PIP), a pungent alkaloid found in black pepper, has various pharmacological effects by activating the transient receptor potential vanilloid 1 (TRPV1) receptor. In this study, the regulating effect of PIP on glucose metabolism and the underlying mechanism were examined using an insulin-resistant cell model. Results showed that PIP alleviated glucosamine (GlcN)-induced glucose metabolism disorder (from 59.19 ± 1.90 to 88.36 ± 6.57%), restored cellular redox balance (from 148.43 ± 3.52 to 110.47 ± 3.52%), improved mitochondrial function (from 63.76 ± 4.87 to 85.98 ± 5.12%), and mitigated circadian disruption in HepG2 cells via the mediation of circadian clock gene Bmal1. After the knockdown of the Trpv1 gene, the modulating effect of PIP on Bmal1-mediated glucose metabolism was weakened, indicating that PIP alleviated Bmal1-involved insulin resistance and circadian misalignment in a Trpv1-dependent manner in HepG2 cells.
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Affiliation(s)
- Jiayi Sun
- Guangdong Provincial Key Laboratory of Nutraceuticals and Functional Foods, College of Food Science, South China Agricultural University, Guangzhou 510642, China
| | - Biqi Tang
- Guangdong Provincial Key Laboratory of Nutraceuticals and Functional Foods, College of Food Science, South China Agricultural University, Guangzhou 510642, China
| | - Chi-Tang Ho
- Department of Food Science, Rutgers University, New Brunswick, New Jersey 08901, United States
| | - Muwen Lu
- Guangdong Provincial Key Laboratory of Nutraceuticals and Functional Foods, College of Food Science, South China Agricultural University, Guangzhou 510642, China
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115
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Yin J, Cheng L, Hong Y, Li Z, Li C, Ban X, Zhu L, Gu Z. A Comprehensive Review of the Effects of Glycemic Carbohydrates on the Neurocognitive Functions Based on Gut Microenvironment Regulation and Glycemic Fluctuation Control. Nutrients 2023; 15:5080. [PMID: 38140339 PMCID: PMC10745758 DOI: 10.3390/nu15245080] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2023] [Revised: 12/05/2023] [Accepted: 12/08/2023] [Indexed: 12/24/2023] Open
Abstract
Improper glycemic carbohydrates (GCs) consumption can be a potential risk factor for metabolic diseases such as obesity and diabetes, which may lead to cognitive impairment. Although several potential mechanisms have been studied, the biological relationship between carbohydrate consumption and neurocognitive impairment is still uncertain. In this review, the main effects and mechanisms of GCs' digestive characteristics on cognitive functions are comprehensively elucidated. Additionally, healthier carbohydrate selection, a reliable research model, and future directions are discussed. Individuals in their early and late lives and patients with metabolic diseases are highly susceptible to dietary-induced cognitive impairment. It is well known that gut function is closely related to dietary patterns. Unhealthy carbohydrate diet-induced gut microenvironment disorders negatively impact cognitive functions through the gut-brain axis. Moreover, severe glycemic fluctuations, due to rapidly digestible carbohydrate consumption or metabolic diseases, can impair neurocognitive functions by disrupting glucose metabolism, dysregulating calcium homeostasis, oxidative stress, inflammatory responses, and accumulating advanced glycation end products. Unstable glycemic status can lead to more severe neurological impairment than persistent hyperglycemia. Slow-digested or resistant carbohydrates might contribute to better neurocognitive functions due to stable glycemic response and healthier gut functions than fully gelatinized starch and nutritive sugars.
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Affiliation(s)
- Jian Yin
- School of Food Science and Technology, Jiangnan University, Wuxi 214122, China; (J.Y.); (Y.H.); (Z.L.); (C.L.); (X.B.); (L.Z.)
| | - Li Cheng
- School of Food Science and Technology, Jiangnan University, Wuxi 214122, China; (J.Y.); (Y.H.); (Z.L.); (C.L.); (X.B.); (L.Z.)
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi 214122, China
- Collaborative Innovation Center of Food Safety and Quality Control in Jiangsu Province, Jiangnan University, Wuxi 214122, China
- National Engineering Research Center for Functional Food, Jiangnan University, Wuxi 214122, China
| | - Yan Hong
- School of Food Science and Technology, Jiangnan University, Wuxi 214122, China; (J.Y.); (Y.H.); (Z.L.); (C.L.); (X.B.); (L.Z.)
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi 214122, China
- Collaborative Innovation Center of Food Safety and Quality Control in Jiangsu Province, Jiangnan University, Wuxi 214122, China
- National Engineering Research Center for Functional Food, Jiangnan University, Wuxi 214122, China
| | - Zhaofeng Li
- School of Food Science and Technology, Jiangnan University, Wuxi 214122, China; (J.Y.); (Y.H.); (Z.L.); (C.L.); (X.B.); (L.Z.)
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi 214122, China
- Collaborative Innovation Center of Food Safety and Quality Control in Jiangsu Province, Jiangnan University, Wuxi 214122, China
- National Engineering Research Center for Functional Food, Jiangnan University, Wuxi 214122, China
| | - Caiming Li
- School of Food Science and Technology, Jiangnan University, Wuxi 214122, China; (J.Y.); (Y.H.); (Z.L.); (C.L.); (X.B.); (L.Z.)
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi 214122, China
- Collaborative Innovation Center of Food Safety and Quality Control in Jiangsu Province, Jiangnan University, Wuxi 214122, China
- National Engineering Research Center for Functional Food, Jiangnan University, Wuxi 214122, China
| | - Xiaofeng Ban
- School of Food Science and Technology, Jiangnan University, Wuxi 214122, China; (J.Y.); (Y.H.); (Z.L.); (C.L.); (X.B.); (L.Z.)
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi 214122, China
- Collaborative Innovation Center of Food Safety and Quality Control in Jiangsu Province, Jiangnan University, Wuxi 214122, China
- National Engineering Research Center for Functional Food, Jiangnan University, Wuxi 214122, China
| | - Ling Zhu
- School of Food Science and Technology, Jiangnan University, Wuxi 214122, China; (J.Y.); (Y.H.); (Z.L.); (C.L.); (X.B.); (L.Z.)
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi 214122, China
- Collaborative Innovation Center of Food Safety and Quality Control in Jiangsu Province, Jiangnan University, Wuxi 214122, China
- National Engineering Research Center for Functional Food, Jiangnan University, Wuxi 214122, China
| | - Zhengbiao Gu
- School of Food Science and Technology, Jiangnan University, Wuxi 214122, China; (J.Y.); (Y.H.); (Z.L.); (C.L.); (X.B.); (L.Z.)
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi 214122, China
- Collaborative Innovation Center of Food Safety and Quality Control in Jiangsu Province, Jiangnan University, Wuxi 214122, China
- National Engineering Research Center for Functional Food, Jiangnan University, Wuxi 214122, China
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Hanna C, Yao R, Sajjad M, Gold M, Blum K, Thanos PK. Exercise Modifies the Brain Metabolic Response to Chronic Cocaine Exposure Inhibiting the Stria Terminalis. Brain Sci 2023; 13:1705. [PMID: 38137153 PMCID: PMC10742065 DOI: 10.3390/brainsci13121705] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2023] [Revised: 11/28/2023] [Accepted: 12/02/2023] [Indexed: 12/24/2023] Open
Abstract
It is well known that exercise promotes health and wellness, both mentally and physiologically. It has been shown to play a protective role in many diseases, including cardiovascular, neurological, and psychiatric diseases. The present study examined the effects of aerobic exercise on brain glucose metabolic activity in response to chronic cocaine exposure in female Lewis rats. Rats were divided into exercise and sedentary groups. Exercised rats underwent treadmill running for six weeks and were compared to the sedentary rats. Using positron emission tomography (PET) and [18F]-Fluorodeoxyglucose (FDG), metabolic changes in distinct brain regions were observed when comparing cocaine-exposed exercised rats to cocaine-exposed sedentary rats. This included activation of the secondary visual cortex and inhibition in the cerebellum, stria terminalis, thalamus, caudate putamen, and primary somatosensory cortex. The functional network of this brain circuit is involved in sensory processing, fear and stress responses, reward/addiction, and movement. These results show that chronic exercise can alter the brain metabolic response to cocaine treatment in regions associated with emotion, behavior, and the brain reward cascade. This supports previous findings of the potential for aerobic exercise to alter the brain's response to drugs of abuse, providing targets for future investigation. These results can provide insights into the fields of exercise neuroscience, psychiatry, and addiction research.
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Affiliation(s)
- Colin Hanna
- Behavioral Neuropharmacology and Neuroimaging Laboratory on Addictions, Clinical Research Institute on Addictions, Department of Pharmacology and Toxicology, Jacob School of Medicine and Biosciences, State University of New York at Buffalo, Buffalo, NY 14203, USA
| | - Rutao Yao
- Department of Nuclear Medicine, State University of New York at Buffalo, Buffalo, NY 14203, USA
| | - Munawwar Sajjad
- Department of Nuclear Medicine, State University of New York at Buffalo, Buffalo, NY 14203, USA
| | - Mark Gold
- Department of Psychiatry, Washington University School of Medicine, St. Louis, MO 63110, USA
| | - Kenneth Blum
- Division of Addiction Research and Education, Center for Sports, Exercise and Global Mental Health, Western University Health Sciences, Pomona, CA 91766, USA
| | - Panayotis K. Thanos
- Behavioral Neuropharmacology and Neuroimaging Laboratory on Addictions, Clinical Research Institute on Addictions, Department of Pharmacology and Toxicology, Jacob School of Medicine and Biosciences, State University of New York at Buffalo, Buffalo, NY 14203, USA
- Department of Psychology, State University of New York at Buffalo, Buffalo, NY 14203, USA
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117
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Xie X, Chen C, Fu X. Modulation Effects of Sargassum pallidum Extract on Hyperglycemia and Hyperlipidemia in Type 2 Diabetic Mice. Foods 2023; 12:4409. [PMID: 38137213 PMCID: PMC10742466 DOI: 10.3390/foods12244409] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2023] [Revised: 12/01/2023] [Accepted: 12/05/2023] [Indexed: 12/24/2023] Open
Abstract
The aim of this study was to investigate the antidiabetic effect of the extract from Sargassum pallidum (SPPE) on type 2 diabetes mellitus (T2DM) mice. SPPE treatment alleviated hyperglycemia, insulin resistance (IR), liver and pancreatic tissue damage, hyperlipidemia and hepatic oxidative stress resulting from T2DM. SPPE reversed phosphoenolpyruvate carboxylase (PEPCK) and hexokinase (HK) activities to improve gluconeogenesis and glycogen storage in the liver. Furthermore, SPPE modulated glucose metabolism by regulating the levels of mRNA expression involving the PI3K/Akt/FOXO1/G6pase/GLUT2 pathway and could inhibit fatty acid synthesis by reducing the gene expression levels of fatty acid synthase (FAS) and acetyl-CoA carboxylase-1 (ACC-1). A 16 sRNA analysis indicated that SPPE treatment also reversed gut dysbiosis by increasing the abundance of beneficial bacteria (Bacteroides and Lactobacillus) and suppressing the proliferation of harmful bacteria (Enterococcus and Helicobacter). Untargeted metabolomics results indicated that histidine metabolism, nicotinate and nicotinamide metabolism and fatty acid biosynthesis were significantly influenced by SPPE. Thus, SPPE may be applied as an effective dietary supplement or drug in the management of T2DM.
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Affiliation(s)
- Xing Xie
- SCUT-Zhuhai Institute of Modern Industrial Innovation, School of Food Science and Engineering, South China University of Technology, Guangzhou 510640, China (X.F.)
- College of Health, Jiangxi Normal University, Nanchang 330022, China
| | - Chun Chen
- SCUT-Zhuhai Institute of Modern Industrial Innovation, School of Food Science and Engineering, South China University of Technology, Guangzhou 510640, China (X.F.)
- School of Food Science and Engineering, Guangdong Province Key Laboratory for Green Processing of Natural Products and Product Safety, Engineering Research Center of Starch and Vegetable Protein Processing Ministry of Education, South China University of Technology, Guangzhou 510640, China
| | - Xiong Fu
- SCUT-Zhuhai Institute of Modern Industrial Innovation, School of Food Science and Engineering, South China University of Technology, Guangzhou 510640, China (X.F.)
- School of Food Science and Engineering, Guangdong Province Key Laboratory for Green Processing of Natural Products and Product Safety, Engineering Research Center of Starch and Vegetable Protein Processing Ministry of Education, South China University of Technology, Guangzhou 510640, China
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118
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Wang C, Zheng L, Zhao M. Molecular Targets and Mechanisms of Casein-Derived Tripeptides Ile-Pro-Pro and Val-Pro-Pro on Hepatic Glucose Metabolism. J Agric Food Chem 2023; 71:18802-18814. [PMID: 38011324 DOI: 10.1021/acs.jafc.3c06258] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/29/2023]
Abstract
The objective of this study was to explore the molecular targets and mechanism of Ile-Pro-Pro (IPP) and Val-Pro-Pro (VPP) on regulating glucose metabolism in hepatic cells and their in vivo hypoglycemic activities in mice. Results showed that both IPP and VPP (600 μM) significantly enhanced the glucose consumption in HepG2 cells and primary hepatocytes (p < 0.05). They also regulated activities of glucose metabolizing enzymes and increased the protein expression of p-AKT and GLUT2 in HepG2 cells. IPP directly interacted with the insulin receptor (IR) to activate the insulin/AKT signaling pathway. The activity of VPP on glucose consumption was not attributed to IR binding, and 76 potential antidiabetic targets were predicted by similarity ensemble and shape similarity approaches. Among them, the AKT and MAPK signaling pathway, in which two hub genes AKT1 and MAPK4 existed, were evaluated to make major contributions to the activity of VPP on glucose consumption. Moreover, both IPP and VPP (300 μmol/kg) could significantly reduce the blood glucose levels in mice (p < 0.05), with blood glucose area under the curve dropping by approximately 19% ± 0.09 and 21% ± 0.11%, respectively. This study provides a new theoretical support for the development of IPP and VPP as functional foods to regulate glucose metabolic disorders.
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Affiliation(s)
- Chenyang Wang
- School of Food Science and Engineering, South China University of Technology, Guangzhou 510640, China
- Guangdong Food Green Processing and Nutrition Regulation Technologies Research Center, Guangzhou 510650, China
| | - Lin Zheng
- School of Food Science and Engineering, South China University of Technology, Guangzhou 510640, China
- Guangdong Food Green Processing and Nutrition Regulation Technologies Research Center, Guangzhou 510650, China
| | - Mouming Zhao
- School of Food Science and Engineering, South China University of Technology, Guangzhou 510640, China
- Food Laboratory of Zhongyuan, Luohe 462300, Henan, China
- Guangdong Food Green Processing and Nutrition Regulation Technologies Research Center, Guangzhou 510650, China
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119
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Panyard DJ, McKetney J, Deming YK, Morrow AR, Ennis GE, Jonaitis EM, Van Hulle CA, Yang C, Sung YJ, Ali M, Kollmorgen G, Suridjan I, Bayfield A, Bendlin BB, Zetterberg H, Blennow K, Cruchaga C, Carlsson CM, Johnson SC, Asthana S, Coon JJ, Engelman CD. Large-scale proteome and metabolome analysis of CSF implicates altered glucose and carbon metabolism and succinylcarnitine in Alzheimer's disease. Alzheimers Dement 2023; 19:5447-5470. [PMID: 37218097 PMCID: PMC10663389 DOI: 10.1002/alz.13130] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2022] [Revised: 02/23/2023] [Accepted: 04/04/2023] [Indexed: 05/24/2023]
Abstract
INTRODUCTION A hallmark of Alzheimer's disease (AD) is the aggregation of proteins (amyloid beta [A] and hyperphosphorylated tau [T]) in the brain, making cerebrospinal fluid (CSF) proteins of particular interest. METHODS We conducted a CSF proteome-wide analysis among participants of varying AT pathology (n = 137 participants; 915 proteins) with nine CSF biomarkers of neurodegeneration and neuroinflammation. RESULTS We identified 61 proteins significantly associated with the AT category (P < 5.46 × 10-5 ) and 636 significant protein-biomarker associations (P < 6.07 × 10-6 ). Proteins from glucose and carbon metabolism pathways were enriched among amyloid- and tau-associated proteins, including malate dehydrogenase and aldolase A, whose associations with tau were replicated in an independent cohort (n = 717). CSF metabolomics identified and replicated an association of succinylcarnitine with phosphorylated tau and other biomarkers. DISCUSSION These results implicate glucose and carbon metabolic dysregulation and increased CSF succinylcarnitine levels with amyloid and tau pathology in AD. HIGHLIGHTS Cerebrospinal fluid (CSF) proteome enriched for extracellular, neuronal, immune, and protein processing. Glucose/carbon metabolic pathways enriched among amyloid/tau-associated proteins. Key glucose/carbon metabolism protein associations independently replicated. CSF proteome outperformed other omics data in predicting amyloid/tau positivity. CSF metabolomics identified and replicated a succinylcarnitine-phosphorylated tau association.
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Affiliation(s)
- Daniel J. Panyard
- Department of Population Health Sciences, University of Wisconsin-Madison; 610 Walnut Street, 707 WARF Building, Madison, WI 53726, United States of America
| | - Justin McKetney
- National Center for Quantitative Biology of Complex Systems, University of Wisconsin-Madison; Madison, WI 53706, United States of America
- Department of Biomolecular Chemistry, University of Wisconsin-Madison; Madison, WI 53506, United States of America
| | - Yuetiva K. Deming
- Department of Population Health Sciences, University of Wisconsin-Madison; 610 Walnut Street, 707 WARF Building, Madison, WI 53726, United States of America
- Wisconsin Alzheimer’s Disease Research Center, University of Wisconsin-Madison; 600 Highland Avenue, J5/1 Mezzanine, Madison, WI 53792, United States of America
- Department of Medicine, University of Wisconsin-Madison; 1685 Highland Avenue, 5158 Medical Foundation Centennial Building, Madison, WI 53705, United States of America
| | - Autumn R. Morrow
- Department of Population Health Sciences, University of Wisconsin-Madison; 610 Walnut Street, 707 WARF Building, Madison, WI 53726, United States of America
| | - Gilda E. Ennis
- Wisconsin Alzheimer’s Disease Research Center, University of Wisconsin-Madison; 600 Highland Avenue, J5/1 Mezzanine, Madison, WI 53792, United States of America
| | - Erin M. Jonaitis
- Wisconsin Alzheimer’s Disease Research Center, University of Wisconsin-Madison; 600 Highland Avenue, J5/1 Mezzanine, Madison, WI 53792, United States of America
- Wisconsin Alzheimer’s Institute, University of Wisconsin-Madison; 610 Walnut Street, 9 Floor, Madison, WI 53726, United States of America
| | - Carol A. Van Hulle
- Wisconsin Alzheimer’s Disease Research Center, University of Wisconsin-Madison; 600 Highland Avenue, J5/1 Mezzanine, Madison, WI 53792, United States of America
- Department of Medicine, University of Wisconsin-Madison; 1685 Highland Avenue, 5158 Medical Foundation Centennial Building, Madison, WI 53705, United States of America
| | - Chengran Yang
- Department of Psychiatry, Washington University School of Medicine; St Louis, MO 63110, United States of America
- NeuroGenomics and Informatics Center, Washington University School of Medicine; St Louis, MO 63110, United States of America
- Hope Center for Neurological Disorders, Washington University School of Medicine; St Louis, MO 63110, United States of America
| | - Yun Ju Sung
- Department of Psychiatry, Washington University School of Medicine; St Louis, MO 63110, United States of America
- NeuroGenomics and Informatics Center, Washington University School of Medicine; St Louis, MO 63110, United States of America
- Hope Center for Neurological Disorders, Washington University School of Medicine; St Louis, MO 63110, United States of America
| | - Muhammad Ali
- Department of Psychiatry, Washington University School of Medicine; St Louis, MO 63110, United States of America
- NeuroGenomics and Informatics Center, Washington University School of Medicine; St Louis, MO 63110, United States of America
- Hope Center for Neurological Disorders, Washington University School of Medicine; St Louis, MO 63110, United States of America
| | | | | | | | - Barbara B. Bendlin
- Wisconsin Alzheimer’s Disease Research Center, University of Wisconsin-Madison; 600 Highland Avenue, J5/1 Mezzanine, Madison, WI 53792, United States of America
- Department of Medicine, University of Wisconsin-Madison; 1685 Highland Avenue, 5158 Medical Foundation Centennial Building, Madison, WI 53705, United States of America
- Wisconsin Alzheimer’s Institute, University of Wisconsin-Madison; 610 Walnut Street, 9 Floor, Madison, WI 53726, United States of America
- William S. Middleton Memorial Veterans Hospital; 2500 Overlook Terrace, Madison, WI 53705, United States of America
| | - Henrik Zetterberg
- Department of Psychiatry and Neurochemistry, Institute of Neuroscience and Physiology, the Sahlgrenska Academy at the University of Gothenburg; Mölndal, Sweden
- Clinical Neurochemistry Laboratory, Sahlgrenska University Hospital; Mölndal, Sweden
- Department of Neurodegenerative Disease, UCL Institute of Neurology; London, UK
- UK Dementia Research Institute at UCL; London, UK
- Hong Kong Center for Neurodegenerative Diseases; Hong Kong, China
| | - Kaj Blennow
- Department of Psychiatry and Neurochemistry, Institute of Neuroscience and Physiology, the Sahlgrenska Academy at the University of Gothenburg; Mölndal, Sweden
- Clinical Neurochemistry Laboratory, Sahlgrenska University Hospital; Mölndal, Sweden
| | - Carlos Cruchaga
- Department of Psychiatry, Washington University School of Medicine; St Louis, MO 63110, United States of America
- NeuroGenomics and Informatics Center, Washington University School of Medicine; St Louis, MO 63110, United States of America
- Hope Center for Neurological Disorders, Washington University School of Medicine; St Louis, MO 63110, United States of America
| | - Cynthia M. Carlsson
- Wisconsin Alzheimer’s Disease Research Center, University of Wisconsin-Madison; 600 Highland Avenue, J5/1 Mezzanine, Madison, WI 53792, United States of America
- Department of Medicine, University of Wisconsin-Madison; 1685 Highland Avenue, 5158 Medical Foundation Centennial Building, Madison, WI 53705, United States of America
- Wisconsin Alzheimer’s Institute, University of Wisconsin-Madison; 610 Walnut Street, 9 Floor, Madison, WI 53726, United States of America
- William S. Middleton Memorial Veterans Hospital; 2500 Overlook Terrace, Madison, WI 53705, United States of America
| | - Sterling C. Johnson
- Wisconsin Alzheimer’s Disease Research Center, University of Wisconsin-Madison; 600 Highland Avenue, J5/1 Mezzanine, Madison, WI 53792, United States of America
- Department of Medicine, University of Wisconsin-Madison; 1685 Highland Avenue, 5158 Medical Foundation Centennial Building, Madison, WI 53705, United States of America
- Wisconsin Alzheimer’s Institute, University of Wisconsin-Madison; 610 Walnut Street, 9 Floor, Madison, WI 53726, United States of America
- William S. Middleton Memorial Veterans Hospital; 2500 Overlook Terrace, Madison, WI 53705, United States of America
| | - Sanjay Asthana
- Wisconsin Alzheimer’s Disease Research Center, University of Wisconsin-Madison; 600 Highland Avenue, J5/1 Mezzanine, Madison, WI 53792, United States of America
- Department of Medicine, University of Wisconsin-Madison; 1685 Highland Avenue, 5158 Medical Foundation Centennial Building, Madison, WI 53705, United States of America
- William S. Middleton Memorial Veterans Hospital; 2500 Overlook Terrace, Madison, WI 53705, United States of America
| | - Joshua J. Coon
- National Center for Quantitative Biology of Complex Systems, University of Wisconsin-Madison; Madison, WI 53706, United States of America
- Department of Biomolecular Chemistry, University of Wisconsin-Madison; Madison, WI 53506, United States of America
- Morgridge Institute for Research; Madison, WI 53706, United States of America
- Department of Chemistry, University of Wisconsin-Madison; Madison, WI 53506, United States of America
| | - Corinne D. Engelman
- Department of Population Health Sciences, University of Wisconsin-Madison; 610 Walnut Street, 707 WARF Building, Madison, WI 53726, United States of America
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Haley JA, Jang C, Guertin DA. A new era of understanding in vivo metabolic flux in thermogenic adipocytes. Curr Opin Genet Dev 2023; 83:102112. [PMID: 37703635 PMCID: PMC10840980 DOI: 10.1016/j.gde.2023.102112] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2023] [Revised: 07/25/2023] [Accepted: 08/13/2023] [Indexed: 09/15/2023]
Abstract
Nonshivering thermogenesis by brown adipose tissue (BAT) is an adaptive mechanism for maintaining body temperature in cold environments. BAT is critical in rodents and human infants and has substantial influence on adult human metabolism. Stimulating BAT therapeutically is also being investigated as a strategy against metabolic diseases because of its ability to function as a catabolic sink. Thus, understanding how brown adipocytes and the related brite/beige adipocytes use nutrients to fuel their demanding metabolism has both basic and translational implications. Recent advances in mass spectrometry and isotope tracing are improving the ability to study metabolic flux in vivo. Here, we review how such strategies are advancing our understanding of adipocyte thermogenesis and conclude with key future questions.
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Affiliation(s)
- John A Haley
- Program in Molecular Medicine, UMass Chan Medical School, Worcester, MA, USA
| | - Cholsoon Jang
- Department of Biological Chemistry, University of California Irvine, Irvine, CA, USA
| | - David A Guertin
- Program in Molecular Medicine, UMass Chan Medical School, Worcester, MA, USA.
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Wang Y, Cao Y, Han L, Wang L, Huang Y, Zhao L, Bi Y, Liu G. Deacetylase sirtuin 2 negatively regulates myeloid-derived suppressor cell functions in allograft rejection. Am J Transplant 2023; 23:1845-1857. [PMID: 37633450 DOI: 10.1016/j.ajt.2023.08.017] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2023] [Revised: 08/20/2023] [Accepted: 08/21/2023] [Indexed: 08/28/2023]
Abstract
Although myeloid-derived suppressor cells (MDSCs) are critical for allograft survival, their regulatory mechanism remains unclear. Herein, our results showed that metabolism sensor sirtuin 2 (SIRT2) negatively regulates the functions of MDSCs in inducing allogeneic skin graft rejection. Genetic deletion of SIRT2 in myeloid cells (Sirt2Δmye) increased the number of CD11b+Gr1+ MDSCs in bone marrow, spleens, draining lymph nodes, and allografts, inhibited the production of proinflammatory cytokine tumor necrosis factor ɑ, enhanced the production of anti-inflammatory cytokine interleukin 10, and potentiated the suppressive activation of MDSCs in prolonging allograft skin survival. C-X-C motif chemokine receptor 2 is critical for mediating the recruitment and cytokine production of MDSCs induced by SIRT2. Mechanistically, Sirt2Δmye enhanced NAD+ levels, succinate dehydrogenase subunit A (SDHA) activities, and oxidative phosphorylation (OXPHOS) levels in MDSCs after transplantation. Pharmacologically blocking nicotinamide phosphoribosyltransferase effectively reverses the production of cytokines and suppressive activities of MDSC induced by Sirt2Δmye. Blocking OXPHOS with knockdown of SDHA or pharmacological blocking of SDHA significantly restores Sirt2Δmye-mediated stronger MDSC suppressive activity and inflammatory factor productions. Thus, our findings identify a previously unrecognized interplay between NAD+ and SDH-mediated OXPHOS metabolic pathways in regulating MDSC functions induced by the metabolic sensor SIRT2 in allogeneic transplantation.
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Affiliation(s)
- Yufei Wang
- Key Laboratory of Cell Proliferation and Regulation Biology, Ministry of Education, College of Life Sciences, Beijing Normal University, Beijing 100875, China
| | - Yejin Cao
- Key Laboratory of Cell Proliferation and Regulation Biology, Ministry of Education, College of Life Sciences, Beijing Normal University, Beijing 100875, China
| | - Linian Han
- Key Laboratory of Cell Proliferation and Regulation Biology, Ministry of Education, College of Life Sciences, Beijing Normal University, Beijing 100875, China
| | - Likun Wang
- State Key Laboratory of Pathogen and Biosecurity, Beijing Institute of Microbiology and Epidemiology, Beijing 100071, China
| | - Yijin Huang
- Key Laboratory of Cell Proliferation and Regulation Biology, Ministry of Education, College of Life Sciences, Beijing Normal University, Beijing 100875, China
| | - Longhao Zhao
- Key Laboratory of Cell Proliferation and Regulation Biology, Ministry of Education, College of Life Sciences, Beijing Normal University, Beijing 100875, China
| | - Yujing Bi
- State Key Laboratory of Pathogen and Biosecurity, Beijing Institute of Microbiology and Epidemiology, Beijing 100071, China.
| | - Guangwei Liu
- Key Laboratory of Cell Proliferation and Regulation Biology, Ministry of Education, College of Life Sciences, Beijing Normal University, Beijing 100875, China.
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Ponce D, Rodríguez F, Miranda JP, Binder AM, Santos JL, Michels KB, Cutler GB, Pereira A, Iñiguez G, Mericq V. Differential methylation pattern in pubertal girls associated with biochemical premature adrenarche. Epigenetics 2023; 18:2200366. [PMID: 37053179 PMCID: PMC10114989 DOI: 10.1080/15592294.2023.2200366] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/14/2023] Open
Abstract
Biochemical premature adrenarche is defined by elevated serum DHEAS [≥40 μg/dL] before age 8 y in girls. This condition is receiving more attention due to its association with obesity, hyperinsulinemia, dyslipidemia, and polycystic ovary syndrome. Nevertheless, the link between early androgen excess and these risk factors remains unknown. Epigenetic modifications, and specifically DNA methylation, have been associated with the initiation and progression of numerous disorders, including obesity and insulin resistance. The aim of this study was to determine if prepubertal androgen exposure is associated with a different methylation profile in pubertal girls. Eighty-six healthy girls were studied. At age 7 y, anthropometric measurements were begun and DHEAS levels were determined. Girls were classified into Low DHEAS (LD) [<42 μg/dL] and High DHEAS (HD) [≥42 μg/dL] groups. At Tanner stages 2 and 4 a DNA methylation microarray was performed to identify differentially methylated CpG positions (DMPs) between HD and LD groups. We observed a differential methylation pattern between pubertal girls with and without biochemical PA. Moreover, a set of DNA methylation markers, selected by the LASSO method, successfully distinguished between HD and LD girls regardless of Tanner stage. Additionally, a subset of these markers were significantly associated with glucose-related measures such as insulin level, HOMA-IR, and glycaemia. This pilot study provides evidence consistent with the hypothesis that high DHEAS concentration, or its hormonally active metabolites, may induce a unique blood methylation signature in pubertal girls, and that this methylation pattern is associated with altered glucose metabolism.
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Affiliation(s)
- Diana Ponce
- Institute of Maternal and Child Research, School of Medicine, Universidad de Chile, Santiago, Chile
| | - Fernando Rodríguez
- Institute of Maternal and Child Research, School of Medicine, Universidad de Chile, Santiago, Chile
| | - José P Miranda
- Department of Nutrition, Diabetes, and Metabolism, School of Medicine, Pontificia Universidad Católica de Chile, Santiago, Chile
- Advanced Center for Chronic Diseases (ACCDiS), Pontificia Universidad Católica de Chile & Universidad de Chile, Santiago, Chile
| | - Alexandra M Binder
- Department of Epidemiology, Fielding School of Public Health, University of California, Los Angeles, CA, USA
- Population Sciences in the Pacific Program (Cancer Epidemiology), University of Hawaii Cancer Center, University of Hawaii, Honolulu, HI, USA
| | - José L Santos
- Department of Nutrition, Diabetes, and Metabolism, School of Medicine, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Karin B Michels
- Department of Epidemiology, Fielding School of Public Health, University of California, Los Angeles, CA, USA
| | | | - Ana Pereira
- Institute of Nutrition and Food Technology (INTA), University of Chile, Santiago, Chile
| | - Germán Iñiguez
- Institute of Maternal and Child Research, School of Medicine, Universidad de Chile, Santiago, Chile
| | - Verónica Mericq
- Institute of Maternal and Child Research, School of Medicine, Universidad de Chile, Santiago, Chile
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Wei S, Liu T, Zhao Y, Xiao Y, Zhou D, Zheng J, Zhou D, Ding Z, Xu Q, Limbu SM, Kong Y. Combined effects of dietary carbohydrate levels and ammonia stress on growth, antioxidant capacity and glucose metabolism in juvenile oriental river prawn (Macrobrachium nipponense). J Exp Zool A Ecol Integr Physiol 2023; 339:978-993. [PMID: 37602652 DOI: 10.1002/jez.2747] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/07/2023] [Revised: 06/25/2023] [Accepted: 08/09/2023] [Indexed: 08/22/2023]
Abstract
Ammonia is a common environmental stress factor that constrains aquaculture industry development. This study evaluated the effect of carbohydrate levels and ammonia stress in oriental river prawn (Macrobrachium nipponense). The experiment had six treatments containing two water ammonia levels (0 and 5 mg/L) and three dietary carbohydrate levels (low carbohydrate diet (LCD, 10%), medium carbohydrate diet [MCD, 20%], and high carbohydrate diet [HCD, 30%]), and lasted six weeks. The results showed that the prawns fed on MCD had higher weight gain than those fed on LCD and HCD during ammonia stress. Moreover, the prawns fed on MCD had significantly lower acid phosphatase and alkaline phosphatase activities during ammonia stress. Feeding the prawns on the MCD increased B cells in the hepatopancreas during ammonia stress. Interestingly, the prawns fed on MCD had significantly lower superoxide dismutase activity compared to LCD and HCD during ammonia stress. Moreover, the prawns fed on MCD had significantly lower pyruvate kinase activity and pyruvate and lactic acid contents, while those fed on LCD had significantly higher succinic dehydrogenase, 6-phosphogluconic dehydrogenase, and phosphoenol pyruvate carboxykinase activities during ammonia stress. The prawns fed on the MCD increased significantly glutaminase activity and decreased the ammonia content in the serum during ammonia exposure. In addition, feeding the prawns on MCD decreased significantly the expression of apoptosis and inflammation-related genes. Taken together, the MCD supplied energy required to counteract ammonia stress, which increased growth, improved antioxidant capacity, facilitated ammonia excretion, and alleviated inflammation and apoptosis of the oriental river prawn.
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Affiliation(s)
- Shanshan Wei
- National-Local Joint Engineering Laboratory of Aquatic Animal Genetic Breeding and Nutrition, Zhejiang Provincial Key Laboratory of Aquatic Resources Conservation and Development, College of Life Science, Huzhou University, Huzhou, Zhejiang, China
| | - Ting Liu
- National-Local Joint Engineering Laboratory of Aquatic Animal Genetic Breeding and Nutrition, Zhejiang Provincial Key Laboratory of Aquatic Resources Conservation and Development, College of Life Science, Huzhou University, Huzhou, Zhejiang, China
| | - Yani Zhao
- National-Local Joint Engineering Laboratory of Aquatic Animal Genetic Breeding and Nutrition, Zhejiang Provincial Key Laboratory of Aquatic Resources Conservation and Development, College of Life Science, Huzhou University, Huzhou, Zhejiang, China
| | - Yang Xiao
- National-Local Joint Engineering Laboratory of Aquatic Animal Genetic Breeding and Nutrition, Zhejiang Provincial Key Laboratory of Aquatic Resources Conservation and Development, College of Life Science, Huzhou University, Huzhou, Zhejiang, China
| | - Dongsheng Zhou
- National-Local Joint Engineering Laboratory of Aquatic Animal Genetic Breeding and Nutrition, Zhejiang Provincial Key Laboratory of Aquatic Resources Conservation and Development, College of Life Science, Huzhou University, Huzhou, Zhejiang, China
| | - Jinxian Zheng
- National-Local Joint Engineering Laboratory of Aquatic Animal Genetic Breeding and Nutrition, Zhejiang Provincial Key Laboratory of Aquatic Resources Conservation and Development, College of Life Science, Huzhou University, Huzhou, Zhejiang, China
| | - Dong Zhou
- National-Local Joint Engineering Laboratory of Aquatic Animal Genetic Breeding and Nutrition, Zhejiang Provincial Key Laboratory of Aquatic Resources Conservation and Development, College of Life Science, Huzhou University, Huzhou, Zhejiang, China
| | - Zhili Ding
- National-Local Joint Engineering Laboratory of Aquatic Animal Genetic Breeding and Nutrition, Zhejiang Provincial Key Laboratory of Aquatic Resources Conservation and Development, College of Life Science, Huzhou University, Huzhou, Zhejiang, China
| | - Qiyou Xu
- National-Local Joint Engineering Laboratory of Aquatic Animal Genetic Breeding and Nutrition, Zhejiang Provincial Key Laboratory of Aquatic Resources Conservation and Development, College of Life Science, Huzhou University, Huzhou, Zhejiang, China
| | - Samwel Mchele Limbu
- Department of Aquaculture Technology, School of Aquatic Sciences and Fisheries Technology, University of Dar es Salaam, Dar es Salaam, Tanzania
| | - Youqin Kong
- National-Local Joint Engineering Laboratory of Aquatic Animal Genetic Breeding and Nutrition, Zhejiang Provincial Key Laboratory of Aquatic Resources Conservation and Development, College of Life Science, Huzhou University, Huzhou, Zhejiang, China
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Wang H, Xie X, Duan Y, Chai L, Li K, Qiu J, Cheng Z. Rabbit systemic glucose metabolism map by total-body dynamic PET/CT technology. Nucl Med Commun 2023; 44:1144-1150. [PMID: 37706260 PMCID: PMC10631506 DOI: 10.1097/mnm.0000000000001767] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2023] [Accepted: 08/30/2023] [Indexed: 09/15/2023]
Abstract
BACKGROUND This study evaluated total-body glucose metabolism in a preclinical lab animal, the rabbit, by employing a dynamic glucose metabolic image obtained with total-body fluorine-18 fluorodeoxyglucose ( 18 F-FDG) PET/computed tomography (PET/CT). METHODS The dynamic total-body PET/CT system was used to obtain glucose metabolic imaging from 10 sedated body-matched rabbits. The standard uptake value (SUV) of 18 F-FDG was used to evaluate glucose metabolism. In addition, the correlation between glucose metabolism and sexes was assessed, as well as metabolic differences between left- and right sides. RESULTS We found significant distribution heterogeneity of glucose in several organs across the entire body. There were no significant metabolic differences between sexes and between bilateral sides in the 10 rabbits. Thereafter, we assayed the major organ SUV changes by dynamic PET/CT of the major organs. The heart, liver, and urinary system showed more 18 F-FDG, whereas the skeletal muscle, brain, spinal cord, and lungs incorporated less 18 F-FDG. The phenotype of 18 F-FDG uptake was highly correlated with the physiological functions. The 18 F-FDG accumulation in urinary system were observed which could reflect the renal parenchyma glucose metabolism indirectly. However, the low 18 F-FDG uptake in the brain and spinal cord was due to sedation. CONCLUSION The total-body glucose metabolic atlas depicted with 18 F-FDG dynamic PET/CT may be used as a reference for assessing pathological 18 F-FDG uptake. Furthermore, this study could be a reference for preclinical research involving abnormality of glucose metabolism.
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Affiliation(s)
- Haochen Wang
- Department of General Surgery, the First Affiliated Hospital of Shandong First Medical University
| | - Xue Xie
- Science and Technology Innovation Center, Shandong First Medical University & Shandong Academy of Medical Sciences and
| | - Yanhua Duan
- Department of Nuclear Medicine, the First Affiliated Hospital of Shandong First Medical University, Jinan, Shandong Province, China
| | - Leiying Chai
- Department of Nuclear Medicine, the First Affiliated Hospital of Shandong First Medical University, Jinan, Shandong Province, China
| | - Kun Li
- Department of Nuclear Medicine, the First Affiliated Hospital of Shandong First Medical University, Jinan, Shandong Province, China
| | - Jianfeng Qiu
- Science and Technology Innovation Center, Shandong First Medical University & Shandong Academy of Medical Sciences and
| | - Zhaoping Cheng
- Department of Nuclear Medicine, the First Affiliated Hospital of Shandong First Medical University, Jinan, Shandong Province, China
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Doan KV, Tran LT, Yang DJ, Ha TTA, Mai TD, Kim SK, DePinho RA, Shin DM, Choi YH, Kim KW. Astrocytic FoxO1 in the hypothalamus regulates metabolic homeostasis by coordinating neuropeptide Y neuron activity. Glia 2023; 71:2735-2752. [PMID: 37655904 DOI: 10.1002/glia.24448] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2023] [Revised: 06/23/2023] [Accepted: 07/20/2023] [Indexed: 09/02/2023]
Abstract
The forkhead box transcription factor O1 (FoxO1) is expressed ubiquitously throughout the central nervous system, including in astrocytes, the most prevalent glial cell type in the brain. While the role of FoxO1 in hypothalamic neurons in controlling food intake and energy balance is well-established, the contribution of astrocytic FoxO1 in regulating energy homeostasis has not yet been determined. In the current study, we demonstrate the essential role of hypothalamic astrocytic FoxO1 in maintaining normal neuronal activity in the hypothalamus and whole-body glucose metabolism. Inhibition of FoxO1 function in hypothalamic astrocytes shifts the cellular metabolism from glycolysis to oxidative phosphorylation, enhancing astrocyte ATP production and release meanwhile decreasing astrocytic export of lactate. As a result, specific deletion of astrocytic FoxO1, particularly in the hypothalamus, causes a hyperactivation of hypothalamic neuropeptide Y neurons, which leads to an increase in acute feeding and impaired glucose regulation and ultimately results in diet-induced obesity and systemic glucose dyshomeostasis.
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Affiliation(s)
- Khanh Van Doan
- Division of Physiology, Department of Oral Biology, Yonsei University College of Dentistry, Seoul, Republic of Korea
- Department of Applied Life Science, BK21 FOUR, Yonsei University College of Dentistry, Seoul, Republic of Korea
| | - Le Trung Tran
- Division of Physiology, Department of Oral Biology, Yonsei University College of Dentistry, Seoul, Republic of Korea
- Department of Applied Life Science, BK21 FOUR, Yonsei University College of Dentistry, Seoul, Republic of Korea
| | - Dong Joo Yang
- Division of Physiology, Department of Oral Biology, Yonsei University College of Dentistry, Seoul, Republic of Korea
| | - Thu Thi Anh Ha
- Division of Physiology, Department of Oral Biology, Yonsei University College of Dentistry, Seoul, Republic of Korea
| | - Thi Dang Mai
- Division of Physiology, Department of Oral Biology, Yonsei University College of Dentistry, Seoul, Republic of Korea
| | - Seul Ki Kim
- Division of Physiology, Department of Oral Biology, Yonsei University College of Dentistry, Seoul, Republic of Korea
- Department of Applied Life Science, BK21 FOUR, Yonsei University College of Dentistry, Seoul, Republic of Korea
| | - Ronald A DePinho
- Department of Cancer Biology, University of Texas MD Anderson Cancer Center, Houston, Texas, USA
| | - Dong-Min Shin
- Division of Physiology, Department of Oral Biology, Yonsei University College of Dentistry, Seoul, Republic of Korea
| | - Yun-Hee Choi
- Division of Physiology, Department of Oral Biology, Yonsei University College of Dentistry, Seoul, Republic of Korea
| | - Ki Woo Kim
- Division of Physiology, Department of Oral Biology, Yonsei University College of Dentistry, Seoul, Republic of Korea
- Department of Applied Life Science, BK21 FOUR, Yonsei University College of Dentistry, Seoul, Republic of Korea
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Lunesu MF, Atzori AS, Manca C, Bomboi GC, Decandia M, Ledda A, Cannas A. Effect of glucose infusion on glucose and insulin metabolism in early- and mid-lactation ewes and goats fed diets differing in starch and highly digestible fiber concentration. J Dairy Sci 2023; 106:9691-9703. [PMID: 37641297 DOI: 10.3168/jds.2023-23225] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2023] [Accepted: 05/23/2023] [Indexed: 08/31/2023]
Abstract
This study aimed to test possible metabolic differences between ewes and goats in response to an intravenous glucose infusion. Thirty-six animals, 18 mature Sarda dairy ewes and 18 mature Saanen goats (from 15 to 150 ± 11 d in milk [DIM], mean ± SD; body weight: 49.8 ± 6.8 kg for ewes, 60.6 ± 7.3 kg for goats) were compared simultaneously. In early lactation, both species received the same high-starch diet (HS: 20.4% starch, 35.4% neutral detergent fiber [NDF], on dry matter [DM] basis), whereas from 92 ± 11 DIM both species were randomly allocated to 2 dietary treatments: HS (20.0% starch, 36.7% NDF, on DM basis) and low-starch (LS: 7.8% starch, 48.8% NDF, on DM basis) diets. At 50 and 150 ± 11 DIM, ewes and goats were challenged with an intravenous glucose tolerance test and peripheral concentrations of glucose and insulin were determined 15 min before and 5, 10, 15, 30, 45, 90, and 180 min after glucose infusion. In early lactation, baseline plasma glucose and insulin concentrations tended to be higher in ewes than in goats (glucose: 55.8 vs. 42.9 ± 7.3 mg/dL; insulin: 0.13 vs. 0.05 ± 0.04 µg/L). After glucose infusion, glucose and insulin concentrations were higher in ewes than in goats (278.6 vs. 247.6 ± 13.1 mg/dL; 0.82 vs. 0.46 ± 0.12 µg/L). In mid-lactation, the dietary treatment (HS vs. LS) did not affect glucose and insulin metabolism. Baseline plasma glucose was numerically highest in ewes, while baseline insulin was higher in ewes than in goats (0.39 vs. 0.12 ± 0.099 µg/L). After glucose infusion, glucose concentration did not differ between ewes and goats, while insulin concentration was highest in ewes. Compared with goats, ewes showed in both periods a higher peak insulin, insulin increment, linear insulin area under the curve, insulin resistance index, and lower insulin sensitivity indices. In conclusion, despite the limitations associated with the use of intravenous glucose tolerance test to assess glucose regulation mechanisms, this study indicated large species differences in both early and mid-lactation and a more evident anabolic status in the ewes compared with the goats.
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Affiliation(s)
- Mondina F Lunesu
- Dipartimento di Agraria, University of Sassari, 07100 Sassari, Italy
| | - Alberto S Atzori
- Dipartimento di Agraria, University of Sassari, 07100 Sassari, Italy.
| | - Carla Manca
- Agris Sardegna, Loc. Bonassai, 07100 Sassari, Italy
| | - Giovanni C Bomboi
- Dipartimento di Medicina Veterinaria, University of Sassari, 07100 Sassari, Italy
| | | | - Antonello Ledda
- Dipartimento di Agraria, University of Sassari, 07100 Sassari, Italy
| | - Antonello Cannas
- Dipartimento di Agraria, University of Sassari, 07100 Sassari, Italy
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Takeda R, Tabuchi A, Nonaka Y, Kano R, Sudo M, Kano Y, Hoshino D. Cmah deficiency blunts cellular senescence in adipose tissues and improves whole-body glucose metabolism in aged mice. Geriatr Gerontol Int 2023; 23:958-964. [PMID: 37968438 DOI: 10.1111/ggi.14732] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2023] [Revised: 10/03/2023] [Accepted: 10/26/2023] [Indexed: 11/17/2023]
Abstract
AIM Cytidine monophosphate-N-acetylneuraminic acid (Neu5Ac) hydroxylase (Cmah) is an enzyme, which converts Neu5Ac to the sialic acid Neu5Gc. Neu5Gc is thought to increase inflammatory cytokines, which are, in part, produced in senescent cells of adipose tissues. Cellular senescence in adipose tissues induces whole-body aging and impaired glucose metabolism. Therefore, we hypothesized that Cmah deficiency would prevent cellular senescence in adipose tissues and impaired glucose metabolism. METHODS Wild-type (WT) and Cmah knockout (KO) mice aged 24-25 months were used. Whole-body metabolism was assessed using a metabolic gas analysis system. We measured blood glucose and insulin concentrations after oral glucose administration. The size of the lipid droplets in the liver was quantified. Markers of cellular senescence and senescence-associated secretory phenotypes were measured in adipose tissues. RESULTS Cmah KO had significantly increased VO2 and energy expenditure (P < 0.01). Unlike glucose, the insulin concentration after oral glucose administration was significantly lower in the Cmah KO group than in the WT group (P < 0.001). Lipid droplets in the liver were significantly lower in the Cmah KO group than in the WT group (P < 0.05). The markers of cellular senescence and senescence-associated secretory phenotypes in the adipose tissues were significantly lower in the Cmah KO group than in the WT group (P < 0.05). CONCLUSIONS Cmah deficiency blunted cellular senescence in adipose tissues and improved whole-body glucose metabolism. These characteristics in aged Cmah KO mice might be associated with higher energy expenditure. Geriatr Gerontol Int 2023; 23: 958-964.
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Affiliation(s)
- Reo Takeda
- Department of Engineering Science, The University of Electro-communications, Tokyo, Japan
- Japan Society for the Promotion of Science, Tokyo, Japan
| | - Ayaka Tabuchi
- Department of Engineering Science, The University of Electro-communications, Tokyo, Japan
| | - Yudai Nonaka
- Institute of Liberal Arts and Sciences, Kanazawa University, Ishikawa, Japan
| | - Ryotaro Kano
- Department of Engineering Science, The University of Electro-communications, Tokyo, Japan
- Japan Society for the Promotion of Science, Tokyo, Japan
| | - Mizuki Sudo
- Physical Fitness Research Institute, Meiji Yasuda Life Foundation of Health and Welfare, Tokyo, Japan
| | - Yutaka Kano
- Department of Engineering Science, The University of Electro-communications, Tokyo, Japan
- Center for Neuroscience and Biomedical Engineering, University of Electro-Communications, Tokyo, Japan
| | - Daisuke Hoshino
- Department of Engineering Science, The University of Electro-communications, Tokyo, Japan
- Center for Neuroscience and Biomedical Engineering, University of Electro-Communications, Tokyo, Japan
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Khurana N, Sharma SB. Modulation of glucose metabolism-related genes in diabetic rats treated with herbal synthetic anti-diabetic compound (α-HSA): insights from transcriptomic profiling. J Complement Integr Med 2023; 20:721-728. [PMID: 37401762 DOI: 10.1515/jcim-2023-0156] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/01/2023] [Accepted: 06/19/2023] [Indexed: 07/05/2023]
Abstract
OBJECTIVES Eugenia jambolana is a medicinal plant traditionally used for treating diabetes. The bioactive compound FIIc, which is derived from the fruit pulp of E. jambolana, has been identified and purified as α-HSA. Previous studies have demonstrated that administration of α-HSA for 6 weeks improved glycemic index and dyslipidemia in rats with T2D. This study investigated the molecular mechanism underlying the potential therapeutic effects of α-HSA in experimentally induced diabetic rats. METHODS Male Wistar rats were divided into four groups: diabetic control, diabetic treated with FIIc, diabetic treated with α-HSA, and diabetic treated with glibenclamide. Over a 6-week experimental period, transcriptomic analysis was conducted on liver, skeletal, and pancreatic tissue samples collected from the rats. RESULTS The study findings revealed significant upregulation of genes associated with glucose metabolism and insulin signaling in the groups treated with FIIc and α-HSA, compared to the diabetic control group. Moreover, pro-inflammatory genes were downregulated in these treatment groups. These results indicate that α-HSA has the potential to modulate key metabolic pathways, improve glucose homeostasis, enhance insulin sensitivity, and alleviate inflammation. CONCLUSIONS This study provides compelling scientific evidence supporting the potential of α-HSA as a therapeutic agent for diabetes treatment. The observed upregulation of genes related to glucose metabolism and insulin signaling, along with the downregulation of pro-inflammatory genes, aligns with the pharmacological activity of α-HSA in controlling glucose homeostasis and improving insulin sensitivity. These findings suggest that α-HSA holds promise as a novel therapeutic approach for managing diabetes and its associated complications.
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Affiliation(s)
- Nikhil Khurana
- Department of Biochemistry, University College of Medical Sciences and GTB Hospital (University of Delhi), Delhi, India
| | - Suman Bala Sharma
- Departmen of Biochemistry, ESIC Medical College and Hospital, Faridabad, Haryana, India
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129
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Batsis JA, Batchek DJ, Petersen CL, Gross DC, Lynch DH, Spangler HB, Cook SB. Protein Supplementation May Dampen Positive Effects of Exercise on Glucose Homeostasis: A Pilot Weight Loss Intervention. Nutrients 2023; 15:4947. [PMID: 38068805 PMCID: PMC10707998 DOI: 10.3390/nu15234947] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2023] [Revised: 11/23/2023] [Accepted: 11/24/2023] [Indexed: 12/18/2023] Open
Abstract
BACKGROUND The role of protein in glucose homeostasis has demonstrated conflicting results. However, little research exists on its impact following weight loss. This study examined the impact of protein supplementation on glucose homeostasis in older adults >65 years with obesity seeking to lose weight. METHODS A 12-week, nonrandomized, parallel group intervention of protein (PG) and nonprotein (NPG) arms for 28 older rural adults (body mass index (BMI) ≥ 30 kg/m2) was conducted at a community aging center. Both groups received twice weekly physical therapist-led group strength training classes. The PG consumed a whey protein supplement three times per week, post-strength training. Primary outcomes included pre/post-fasting glucose, insulin, inflammatory markers, and homeostasis model assessment of insulin resistance (HOMA-IR). RESULTS Mean age and baseline BMI were 72.9 ± 4.4 years and 37.6 ± 6.9 kg/m2 in the PG and 73.0 ± 6.3 and 36.6 ± 5.5 kg/m2 in the NPG, respectively. Mean weight loss was -3.45 ± 2.86 kg in the PG and -5.79 ± 3.08 kg in the NPG (p < 0.001). There was a smaller decrease in pre- vs. post-fasting glucose levels (PG: -4 mg ± 13.9 vs. NPG: -12.2 ± 25.8 mg/dL; p = 0.10), insulin (-7.92 ± 28.08 vs. -46.7 ± 60.8 pmol/L; p = 0.01), and HOMA-IR (-0.18 ± 0.64 vs. -1.08 ± 1.50; p = 0.02) in the PG compared to the NPG. CONCLUSIONS Protein supplementation during weight loss demonstrated a smaller decrease in insulin resistance compared to the NPG, suggesting protein may potentially mitigate beneficial effects of exercise on glucose homeostasis.
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Affiliation(s)
- John A. Batsis
- Division of Geriatric Medicine, University of North Carolina at Chapel Hill School of Medicine, Chapel Hill, NC 27599, USA; (D.H.L.); (H.B.S.)
- Department of Nutrition, Gillings School of Global Public Health, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA; (D.J.B.); (D.C.G.)
- The Dartmouth Institute for Health Policy, Dartmouth College, Hanover, NH 03755, USA;
- Center for Aging and Health, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA
| | - Dakota J. Batchek
- Department of Nutrition, Gillings School of Global Public Health, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA; (D.J.B.); (D.C.G.)
| | - Curtis L. Petersen
- The Dartmouth Institute for Health Policy, Dartmouth College, Hanover, NH 03755, USA;
- Geisel School of Medicine at Dartmouth, Dartmouth College, Hanover, NH 03755, USA
| | - Danae C. Gross
- Department of Nutrition, Gillings School of Global Public Health, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA; (D.J.B.); (D.C.G.)
- Center for Aging and Health, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA
| | - David H. Lynch
- Division of Geriatric Medicine, University of North Carolina at Chapel Hill School of Medicine, Chapel Hill, NC 27599, USA; (D.H.L.); (H.B.S.)
- Center for Aging and Health, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA
| | - Hillary B. Spangler
- Division of Geriatric Medicine, University of North Carolina at Chapel Hill School of Medicine, Chapel Hill, NC 27599, USA; (D.H.L.); (H.B.S.)
- Center for Aging and Health, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA
| | - Summer B. Cook
- Department of Kinesiology, University of New Hampshire, Durham, NH 03824, USA;
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Promsod O, Kositanurit W, Tabtieang T, Kulaputana O, Chirakalwasan N, Reutrakul S, Sahakitrungruang T. Impact of irregular sleep pattern, and sleep quality on glycaemic parameters and endothelial function in adolescents and young adults with type 1 diabetes. J Sleep Res 2023:e14110. [PMID: 38030221 DOI: 10.1111/jsr.14110] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2023] [Revised: 11/01/2023] [Accepted: 11/08/2023] [Indexed: 12/01/2023]
Abstract
This study investigated the impact of comprehensive sleep patterns on glycaemic parameters and endothelial function in adolescents and young adults with type 1 diabetes (T1D). Thirty subjects with type 1 diabetes (aged 13-25) without chronic complications participated. For 1 week, glucose levels were monitored by real-time continuous glucose monitoring (CGM) and sleep was simultaneously assessed by actigraphy. Subjective sleep quality was assessed using the Pittsburgh Sleep Quality Index (PSQI). Flow-mediated dilatation (FMD) measured endothelial function at the brachial artery. Insulin sensitivity was determined by calculated estimated glucose disposal rate (eGDR). Glycaemic control was assessed using haemoglobin A1C (HbA1C) levels. To address potential confounding by metabolic syndrome on the FMD results, three affected subjects were excluded from FMD correlation analyses. Participants with PSQI scores >5 had a lower %FMD compared with those with scores ≤5 (4.6 ± 3.7% vs. 7.6 ± 3.0%, p = 0.03). Multivariate analysis indicated that lower sleep efficiency and higher sleep duration variability were associated with higher HbA1C levels (β = -0.076, 95%CI [-0.145, -0.008], p = 0.029; β = 0.012, 95%CI [0.001, 0.023], p = 0.033). Irregular sleep timing and lower sleep efficiency were related to decreased insulin sensitivity (sleep midpoint irregularity β = -1.581, 95%CI [-2.661, -0.502], p = 0.004, and sleep efficiency β = 0.147, 95%CI [0.060, 0.235], p = 0.001). No significant associations were found between glycaemic parameters and FMD. Our study demonstrated that sleep irregularity in type 1 diabetes was associated with glycaemic control and insulin resistance, while poor subjective sleep quality was linked to endothelial dysfunction. Promoting healthy sleep habits, including consistent sleep timing could benefit metabolic and cardiovascular health in type 1 diabetes.
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Affiliation(s)
- Ornpisa Promsod
- Division of Pediatric Endocrinology, Department of Pediatrics, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand
| | - Weerapat Kositanurit
- Department of Physiology, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand
| | - Tanat Tabtieang
- Department of Anatomy, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand
| | - Onanong Kulaputana
- Department of Physiology, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand
| | - Naricha Chirakalwasan
- Division of Pulmonary and Critical Care Medicine, Department of Medicine, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand
- Excellence Center for Sleep Disorders, King Chulalongkorn Memorial Hospital, Thai Red Cross Society, Bangkok, Thailand
| | - Sirimon Reutrakul
- Division of Endocrinology, Department of Medicine, Ramathibodi Hospital, Bangkok, Thailand
- Division of Endocrinology, Diabetes, and Metabolism, University of Illinois Chicago, Chicago, Illinois, USA
| | - Taninee Sahakitrungruang
- Division of Pediatric Endocrinology, Department of Pediatrics, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand
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Pacifici F, Andreadi A, Arriga R, Pastore D, Capuani B, Bonanni R, Della-Morte D, Bellia A, Lauro D, Donadel G. Omega-3-Enriched Diet Improves Metabolic Profile in Prdx6-Deficient Mice Exposed to Microgravity. Life (Basel) 2023; 13:2245. [PMID: 38137846 PMCID: PMC10744818 DOI: 10.3390/life13122245] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2023] [Revised: 11/18/2023] [Accepted: 11/20/2023] [Indexed: 12/24/2023] Open
Abstract
BACKGROUND Space travel has always been one of mankind's greatest dreams. Thanks to technological innovation, this dream is becoming more of a reality. Soon, humans (not only astronauts) will travel, live, and work in space. However, a microgravity environment can induce several pathological alterations that should be, at least in part, controlled and alleviated. Among those, glucose homeostasis impairment and insulin resistance occur, which can lead to reduced muscle mass and liver dysfunctions. Thus, it is relevant to shed light on the mechanism underlaying these pathological conditions, also considering a nutritional approach that can mitigate these effects. METHODS To achieve this goal, we used Prdx6-/- mice exposed to Hindlimb Unloading (HU), a well-established experimental protocol to simulate microgravity, fed with a chow diet or an omega-3-enriched diet. RESULTS Our results innovatively demonstrated that HU-induced metabolic alterations, mainly related to glucose metabolism, may be mitigated by the administration of omega-3-enriched diet. Specifically, a significant improvement in insulin resistance has been reported. CONCLUSIONS Although preliminary, our results highlight the importance of specific nutritional approaches that can alleviate microgravity-induced harmful effects. These findings should be considered soon by those planning trips around the earth.
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Affiliation(s)
- Francesca Pacifici
- Department of Systems Medicine, University of Rome Tor Vergata, 00133 Rome, Italy; (F.P.); (A.A.); (R.A.); (B.C.); (D.D.-M.); (A.B.); (D.L.)
| | - Aikaterini Andreadi
- Department of Systems Medicine, University of Rome Tor Vergata, 00133 Rome, Italy; (F.P.); (A.A.); (R.A.); (B.C.); (D.D.-M.); (A.B.); (D.L.)
- Department of Medical Sciences, Fondazione Policlinico Tor Vergata, 00133 Rome, Italy
| | - Roberto Arriga
- Department of Systems Medicine, University of Rome Tor Vergata, 00133 Rome, Italy; (F.P.); (A.A.); (R.A.); (B.C.); (D.D.-M.); (A.B.); (D.L.)
| | - Donatella Pastore
- Department of Human Sciences and Quality of Life Promotion, San Raffaele University, 00166 Rome, Italy;
| | - Barbara Capuani
- Department of Systems Medicine, University of Rome Tor Vergata, 00133 Rome, Italy; (F.P.); (A.A.); (R.A.); (B.C.); (D.D.-M.); (A.B.); (D.L.)
| | - Roberto Bonanni
- Department of Biomedicine and Prevention, University of Rome Tor Vergata, 00133 Rome, Italy;
| | - David Della-Morte
- Department of Systems Medicine, University of Rome Tor Vergata, 00133 Rome, Italy; (F.P.); (A.A.); (R.A.); (B.C.); (D.D.-M.); (A.B.); (D.L.)
- Department of Human Sciences and Quality of Life Promotion, San Raffaele University, 00166 Rome, Italy;
- Department of Neurology, Evelyn F. McKnight Brain Institute, Miller School of Medicine, University of Miami, Miami, FL 33136, USA
- Interdisciplinary Center for Advanced Studies on Lab-on-Chip and Organ-on-Chip Applications (ICLOC), University of Rome Tor Vergata, 00133 Rome, Italy
| | - Alfonso Bellia
- Department of Systems Medicine, University of Rome Tor Vergata, 00133 Rome, Italy; (F.P.); (A.A.); (R.A.); (B.C.); (D.D.-M.); (A.B.); (D.L.)
- Department of Medical Sciences, Fondazione Policlinico Tor Vergata, 00133 Rome, Italy
| | - Davide Lauro
- Department of Systems Medicine, University of Rome Tor Vergata, 00133 Rome, Italy; (F.P.); (A.A.); (R.A.); (B.C.); (D.D.-M.); (A.B.); (D.L.)
- Department of Medical Sciences, Fondazione Policlinico Tor Vergata, 00133 Rome, Italy
| | - Giulia Donadel
- Department of Clinical Sciences and Translational Medicine, University of Rome Tor Vergata, 00133 Rome, Italy
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Aureli A, Recupero R, Mariani M, Manco M, Carlomagno F, Bocchini S, Nicodemo M, Marchili MR, Cianfarani S, Cappa M, Fintini D. Low Levels of Serum Total Vitamin B12 Are Associated with Worse Metabolic Phenotype in a Large Population of Children, Adolescents and Young Adults, from Underweight to Severe Obesity. Int J Mol Sci 2023; 24:16588. [PMID: 38068910 PMCID: PMC10706451 DOI: 10.3390/ijms242316588] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2023] [Revised: 11/19/2023] [Accepted: 11/19/2023] [Indexed: 12/18/2023] Open
Abstract
Vitamin B12 (or cobalamin) is an essential vitamin for DNA synthesis, fatty acid and protein metabolism as well as other metabolic pathways fundamental to the integrity of cells and tissues in humans. It is derived from the diet and mostly stored in the liver. Its deficiency has been associated with metabolic derangements, i.e., obesity, glucose intolerance, increased lipogenesis and metabolic dysfunction-associated steatotic liver disease (MASLD) and steatohepatitis (MASH). However, data with regard to body weight across the whole spectrum (from underweight to severe obesity) in children and young individuals are scarce. The present study aims to describe the association between serum total vitamin B12 and body mass index (BMI) ranging from underweight to severe obesity in a large population of children, adolescents and young adults. This study also investigates associations with visceral adiposity, glucose and lipid metabolism and liver dysfunction. A cross-sectional, single-centre study was conducted at the Paediatrics and Endocrinology units of the "Bambino Gesù Children Hospital", a tertiary referral institution for eating disorders. Clinical charts were reviewed and 601 patients aged from 5 to 25 years were enrolled in order to analyse anthropometric, auxological, clinical, biochemical and liver ultrasound data using robust statistical approaches. Analyses were adjusted for potential confounders. A reduction in serum total B12 levels was associated with a linear increase in body weight, as expressed by WHO BMI SDS (r = -0.31, p < 0.001, BCa 95% -0.38, -0.24). Lower B12 levels were associated with higher waist circumference but only in pubertal girls (r = -0.33, p = 0.008, BCa 95% -0.53, -0.11). Hepatic insulin resistance was higher in males with lower B12 levels (B = -0.003 (-0.007, -0.0001), p = 0.039), but not in females, whereas whole-body insulin resistance was unaffected. Serum lipid profiles (total, HDL and LDL cholesterol and triglycerides) were not influenced by serum cobalamin levels. However, lower cobalamin levels were associated with higher grading of ultrasound-scored hepatic steatosis (ptrend = 0.035). Lastly, both AST and ALT showed a significant and direct correlation with total B12 levels in underweight (r = 0.22 and 0.24, p = 0.002 and <0.001, respectively) and severely obese subjects (r = 0.24 and 0.32, p = 0.002 and <0.001). In conclusion lower vitamin B12 levels are associated with higher body weight, adiposity and with worse metabolic health in a large population of children, adolescents and young adults.
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Affiliation(s)
- Alessia Aureli
- Endocrinology and Diabetology Unit, “Bambino Gesù” Children’s Hospital, IRCCS, 00146 Rome, Italy; (A.A.); (M.M.); (S.B.); (M.N.); (S.C.); (D.F.)
| | - Rosanna Recupero
- Pediatric Unit, “Bambino Gesù” Children’s Hospital, IRCCS, 00146 Rome, Italy;
- Pediatrics Department, University of Rome “Tor Vergata”, 00133 Rome, Italy
| | - Michela Mariani
- Endocrinology and Diabetology Unit, “Bambino Gesù” Children’s Hospital, IRCCS, 00146 Rome, Italy; (A.A.); (M.M.); (S.B.); (M.N.); (S.C.); (D.F.)
| | - Melania Manco
- Research Area for Foetal Neonatal and Cardiological Sciences, “Bambino Gesù” Children’s Hospital, IRCCS, 00146 Rome, Italy
| | - Francesco Carlomagno
- Department of Experimental Medicine, Sapienza University of Rome, 00161 Rome, Italy;
| | - Sarah Bocchini
- Endocrinology and Diabetology Unit, “Bambino Gesù” Children’s Hospital, IRCCS, 00146 Rome, Italy; (A.A.); (M.M.); (S.B.); (M.N.); (S.C.); (D.F.)
| | - Mirella Nicodemo
- Endocrinology and Diabetology Unit, “Bambino Gesù” Children’s Hospital, IRCCS, 00146 Rome, Italy; (A.A.); (M.M.); (S.B.); (M.N.); (S.C.); (D.F.)
| | - Maria Rosaria Marchili
- Department of Emergency Admission and General Pediatrics, “Bambino Gesù” Children’s Hospital, IRCCS, 00165 Rome, Italy;
| | - Stefano Cianfarani
- Endocrinology and Diabetology Unit, “Bambino Gesù” Children’s Hospital, IRCCS, 00146 Rome, Italy; (A.A.); (M.M.); (S.B.); (M.N.); (S.C.); (D.F.)
- Department of Systems Medicine, University of Rome “Tor Vergata”, 00133 Rome, Italy
- Department of Women’s and Children’s Health, Karolinska Institutet, 17177 Stockholm, Sweden
| | - Marco Cappa
- Research Area of Innovative Therapies in Endocrinopathies, “Bambino Gesù” Children’s Hospital, IRCCS, 00146 Rome, Italy;
| | - Danilo Fintini
- Endocrinology and Diabetology Unit, “Bambino Gesù” Children’s Hospital, IRCCS, 00146 Rome, Italy; (A.A.); (M.M.); (S.B.); (M.N.); (S.C.); (D.F.)
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Liu Y, Xing L, Zhang Y, Liu X, Li T, Zhang S, Wei H, Li J. Mild Intermittent Cold Stimulation Affects Cardiac Substance Metabolism via the Neuroendocrine Pathway in Broilers. Animals (Basel) 2023; 13:3577. [PMID: 38003194 PMCID: PMC10668735 DOI: 10.3390/ani13223577] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2023] [Revised: 11/08/2023] [Accepted: 11/13/2023] [Indexed: 11/26/2023] Open
Abstract
This study aimed to investigate the impact of cold adaptation on the neuroendocrine and cardiac substance metabolism pathways in broilers. The broilers were divided into the control group (CC), cold adaptation group (C3), and cold-stressed group (C9), and experimental period was divided into the training period (d 1-35), recovery period (d 36-43), and cold stress period (d 43-44). During the training period, the CC group was reared at ambient temperature, while C3 and C9 groups were reared at 3 °C and 9 °C lower than the ambient temperature, respectively, for 5 h/d at 1 d intervals. During the recovery period, all the groups were maintained at 20 °C. Lastly, during the cold stress period, the groups were divided into two sub-groups, and each sub-group was placed at 10 °C for 12 h (Y12) or 24 h (Y24) for acute cold stimulation. The blood, hypothalamic, and cardiac tissues samples were obtained from all the groups during the training, recovery, and acute stress periods. The results revealed that the transcription of calcium voltage-gated channel subunit alpha 1 C (CACNAIC) was increased in the hypothalamic tissues of the C3 group (p < 0.05). Moreover, compared to the CC group, the serum norepinephrine (NE) was increased in the C9 group (p < 0.05), but insulin (INS) was decreased in the C9 group (p < 0.05). In addition, the transcription of the phosphoinositide-3 kinase (PI3K), protein kinase B (Akt), mammalian target of rapamycin (mTOR), SREBP1c, FASN, ACC1, and SCD genes was down-regulated in the C3 and C9 groups (p < 0.05); however, their expression increased in the C3 and C9 groups after acute cold stimulation (p < 0.05). Compared to the CC group, the transcription of forkhead box O1 (FoxO1), PEPCK, G6Pase, GLUT1, HK1, PFK, and LDHB genes was up-regulated in the C3 and C9 groups (p < 0.05. Furthermore, compared to the CC and C9 groups, the protein and mRNA expressions of heat shock protein (HSP) 70 and HSP90 were significantly increased in the C3 group (p < 0.05). These results indicate that intermittent cold training can enhance cold stress tolerance in broilers by regulating their neuroendocrine and cardiac substance metabolism pathways.
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Affiliation(s)
- Yuanyuan Liu
- College of Life Science, Northeast Agricultural University, Harbin 150030, China; (Y.L.); (L.X.); (Y.Z.); (X.L.); (T.L.); (S.Z.)
| | - Lu Xing
- College of Life Science, Northeast Agricultural University, Harbin 150030, China; (Y.L.); (L.X.); (Y.Z.); (X.L.); (T.L.); (S.Z.)
| | - Yong Zhang
- College of Life Science, Northeast Agricultural University, Harbin 150030, China; (Y.L.); (L.X.); (Y.Z.); (X.L.); (T.L.); (S.Z.)
| | - Xiaotao Liu
- College of Life Science, Northeast Agricultural University, Harbin 150030, China; (Y.L.); (L.X.); (Y.Z.); (X.L.); (T.L.); (S.Z.)
| | - Tingting Li
- College of Life Science, Northeast Agricultural University, Harbin 150030, China; (Y.L.); (L.X.); (Y.Z.); (X.L.); (T.L.); (S.Z.)
| | - Shijie Zhang
- College of Life Science, Northeast Agricultural University, Harbin 150030, China; (Y.L.); (L.X.); (Y.Z.); (X.L.); (T.L.); (S.Z.)
| | - Haidong Wei
- College of Life Science, Northeast Agricultural University, Harbin 150030, China; (Y.L.); (L.X.); (Y.Z.); (X.L.); (T.L.); (S.Z.)
| | - Jianhong Li
- College of Life Science, Northeast Agricultural University, Harbin 150030, China; (Y.L.); (L.X.); (Y.Z.); (X.L.); (T.L.); (S.Z.)
- Key Laboratory of Chicken Genetics and Breeding, Ministry of Agriculture and Rural Affairs, Harbin 150030, China
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Moraes B, Martins R, Lopes C, Martins R, Arcanjo A, Nascimento J, Konnai S, da Silva Vaz I, Logullo C. G6PDH as a key immunometabolic and redox trigger in arthropods. Front Physiol 2023; 14:1287090. [PMID: 38046951 PMCID: PMC10693429 DOI: 10.3389/fphys.2023.1287090] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2023] [Accepted: 10/30/2023] [Indexed: 12/05/2023] Open
Abstract
The enzyme glucose-6-phosphate dehydrogenase (G6PDH) plays crucial roles in glucose homeostasis and the pentose phosphate pathway (PPP), being also involved in redox metabolism. The PPP is an important metabolic pathway that produces ribose and nicotinamide adenine dinucleotide phosphate (NADPH), which are essential for several physiologic and biochemical processes, such as the synthesis of fatty acids and nucleic acids. As a rate-limiting step in PPP, G6PDH is a highly conserved enzyme and its deficiency can lead to severe consequences for the organism, in particular for cell growth. Insufficient G6PDH activity can lead to cell growth arrest, impaired embryonic development, as well as a reduction in insulin sensitivity, inflammation, diabetes, and hypertension. While research on G6PDH and PPP has historically focused on mammalian models, particularly human disorders, recent studies have shed light on the regulation of this enzyme in arthropods, where new functions were discovered. This review will discuss the role of arthropod G6PDH in regulating redox homeostasis and immunometabolism and explore potential avenues for further research on this enzyme in various metabolic adaptations.
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Affiliation(s)
- Bruno Moraes
- Instituto de Bioquímica Médica Leopoldo de Meis, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
- Instituto Nacional de Ciência e Tecnologia em Entomologia Molecular–INCT, Rio de Janeiro, Brazil
| | - Renato Martins
- Instituto de Bioquímica Médica Leopoldo de Meis, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
- Instituto Nacional de Ciência e Tecnologia em Entomologia Molecular–INCT, Rio de Janeiro, Brazil
| | - Cintia Lopes
- Instituto de Bioquímica Médica Leopoldo de Meis, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
- Instituto Nacional de Ciência e Tecnologia em Entomologia Molecular–INCT, Rio de Janeiro, Brazil
| | - Ronald Martins
- Programa de Computação Científica, Instituto Oswaldo Cruz, IOC, Rio de Janeiro, Brazil
| | - Angélica Arcanjo
- Instituto de Bioquímica Médica Leopoldo de Meis, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
- Instituto Nacional de Ciência e Tecnologia em Entomologia Molecular–INCT, Rio de Janeiro, Brazil
| | - Jhenifer Nascimento
- Instituto de Bioquímica Médica Leopoldo de Meis, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
- Instituto Nacional de Ciência e Tecnologia em Entomologia Molecular–INCT, Rio de Janeiro, Brazil
| | - Satoru Konnai
- Laboratory of Infectious Diseases, Hokkaido University, Sapporo, Japan
| | - Itabajara da Silva Vaz
- Instituto Nacional de Ciência e Tecnologia em Entomologia Molecular–INCT, Rio de Janeiro, Brazil
- Centro de Biotecnologia and Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, Brazil
| | - Carlos Logullo
- Instituto de Bioquímica Médica Leopoldo de Meis, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
- Instituto Nacional de Ciência e Tecnologia em Entomologia Molecular–INCT, Rio de Janeiro, Brazil
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Du Y, Li T, Yi M. Is MG53 a potential therapeutic target for cancer? Front Endocrinol (Lausanne) 2023; 14:1295349. [PMID: 38033997 PMCID: PMC10684902 DOI: 10.3389/fendo.2023.1295349] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/16/2023] [Accepted: 11/01/2023] [Indexed: 12/02/2023] Open
Abstract
Cancer treatment still encounters challenges, such as side effects and drug resistance. The tripartite-motif (TRIM) protein family is widely involved in regulation of the occurrence, development, and drug resistance of tumors. MG53, a member of the TRIM protein family, shows strong potential in cancer therapy, primarily due to its E3 ubiquitin ligase properties. The classic membrane repair function and anti-inflammatory capacity of MG53 may also be beneficial for cancer prevention and treatment. However, MG53 appears to be a key regulatory factor in impaired glucose metabolism and a negative regulatory mechanism in muscle regeneration that may have a negative effect on cancer treatment. Developing MG53 mutants that balance the pros and cons may be the key to solving the problem. This article aims to summarize the role and mechanism of MG53 in the occurrence, progression, and invasion of cancer, focusing on the potential impact of the biological function of MG53 on cancer therapy.
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Affiliation(s)
- Yunyu Du
- School of Sports Science, Beijing Sport University, Beijing, China
- National Institute of Sports Medicine, Beijing, China
| | - Tieying Li
- National Institute of Sports Medicine, Beijing, China
| | - Muqing Yi
- National Institute of Sports Medicine, Beijing, China
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136
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Su R, Zhao S, Zhang J, Cao M, Peng S. Metabolic influences on T cell in psoriasis: a literature review. Front Immunol 2023; 14:1279846. [PMID: 38035065 PMCID: PMC10684739 DOI: 10.3389/fimmu.2023.1279846] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2023] [Accepted: 10/25/2023] [Indexed: 12/02/2023] Open
Abstract
Psoriasis is a systemic inflammatory disease that frequently coexists with various other conditions, such as essential hypertension, diabetes, metabolic syndrome, and inflammatory bowel disease. The association between these diseases may be attributed to shared inflammatory pathways and abnormal immunomodulatory mechanisms. Furthermore, metabolites also play a regulatory role in the function of different immune cells involved in psoriasis pathogenesis, particularly T lymphocytes. In this review, we have summarized the current research progress on T cell metabolism in psoriasis, encompassing the regulation of metabolites in glucose metabolism, lipid metabolism, amino acid metabolism, and other pathways within T cells affected by psoriasis. We will also explore the interaction and mechanism between psoriatic metabolites and immune cells. Moreover, we further discussed the research progress of metabolomics in psoriasis to gain a deeper understanding of its pathogenesis and identify potential new therapeutic targets through identification of metabolic biomarkers associated with this condition.
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Affiliation(s)
- Rina Su
- *Correspondence: Shiguang Peng, ; Rina Su,
| | | | | | | | - Shiguang Peng
- Department of Dermatology, Beijing Chao-yang Hospital, Capital Medical University, Beijing, China
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137
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Zhang CH, Liu XY, Wang J. Essential Role of Granulosa Cell Glucose and Lipid Metabolism on Oocytes and the Potential Metabolic Imbalance in Polycystic Ovary Syndrome. Int J Mol Sci 2023; 24:16247. [PMID: 38003436 PMCID: PMC10671516 DOI: 10.3390/ijms242216247] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2023] [Revised: 11/06/2023] [Accepted: 11/11/2023] [Indexed: 11/26/2023] Open
Abstract
Granulosa cells are crucial for the establishment and maintenance of bidirectional communication among oocytes. Various intercellular material exchange modes, including paracrine and gap junction, are used between them to achieve the efficient delivery of granulosa cell structural components, energy substrates, and signaling molecules to oocytes. Glucose metabolism and lipid metabolism are two basic energy metabolism pathways in granulosa cells; these are involved in the normal development of oocytes. Pyruvate, produced by granulosa cell glycolysis, is an important energy substrate for oocyte development. Granulosa cells regulate changes in intrafollicular hormone levels through the processing of steroid hormones to control the development process of oocytes. This article reviews the material exchange between oocytes and granulosa cells and expounds the significance of granulosa cells in the development of oocytes through both glucose metabolism and lipid metabolism. In addition, we discuss the effects of glucose and lipid metabolism on oocytes under pathological conditions and explore its relationship to polycystic ovary syndrome (PCOS). A series of changes were found in the endogenous molecules and ncRNAs that are related to glucose and lipid metabolism in granulosa cells under PCOS conditions. These findings provide a new therapeutic target for patients with PCOS; additionally, there is potential for improving the fertility of patients with PCOS and the clinical outcomes of assisted reproduction.
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Affiliation(s)
- Chen-Hua Zhang
- Queen Mary School, Medical College, Nanchang University, Nanchang 330006, China; (C.-H.Z.); (X.-Y.L.)
| | - Xiang-Yi Liu
- Queen Mary School, Medical College, Nanchang University, Nanchang 330006, China; (C.-H.Z.); (X.-Y.L.)
| | - Jing Wang
- Department of Cell Biology, School of Medicine, Nanchang University, Nanchang 330006, China
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Pierzynowska K, Wychowański P, Zaworski K, Woliński J, Donaldson J, Pierzynowski S. Anti-Incretin Gut Features Induced by Feed Supplementation with Alpha-Amylase: Studies on EPI Pigs. Int J Mol Sci 2023; 24:16177. [PMID: 38003366 PMCID: PMC10671445 DOI: 10.3390/ijms242216177] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2023] [Revised: 11/08/2023] [Accepted: 11/09/2023] [Indexed: 11/26/2023] Open
Abstract
The acini-islet-acinar (AIA) axis concept justifies the anatomical placement of the Langerhans islets within the exocrine pancreatic parenchyma and explains the existence of the pancreas as a single organ. Amylase has been suggested to play a key role as an anti-incretin factor. Oral glucose tolerance tests (OGTT) were performed on 18 piglets in both a healthy (prior to pancreatic duct ligation (PDL) surgery, study Day 10) and an exocrine pancreatic insufficient (EPI) state (30 days after PDL, study Day 48)). Amylase (4000 units/feeding) or Creon® (100,000 units/feeding) was administered to pigs with the morning and evening meals, according to study design randomization, for 37 days following the first OGTT. Blood glucose levels, as well as plasma levels of insulin, GLP-1, and GIP, were measured, and the HOMA-IR index was calculated. EPI status did not affect the area under the curve (AUC) of insulin release, fasting insulin levels, or the HOMA-IR index, while amylase supplementation led to a significant (p < 0.05) decrease in the above-mentioned parameters. At the same time, EPI led to a significant (p < 0.05) increase in GLP-1 levels, and neither amylase nor Creon® supplementation had any effects on this EPI-related increase. Fasting plasma levels of GIP were not affected by EPI; however, the GIP response in EPI and Amylase-treated EPI animals was significantly lower (p < 0.05) when compared to that of the intact, healthy pigs. Orally administered amylase induces gut anti-incretin action, normalizing glucose homeostasis and reducing HOMA-IR as a long-term outcome, thus lowering the risk of diabetes type II development. Amylase has long-lasting anti-incretin effects, and one could consider the existence of a long-lasting gut memory for amylase, which decreases hyperinsulinemia and hyperglycemia for up to 16 h after the last exposure of the gut to amylase.
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Affiliation(s)
- Kateryna Pierzynowska
- Department of Biology, Lund University, 223 62 Lund, Sweden;
- Department of Animal Physiology, The Kielanowski Institute of Animal Physiology and Nutrition, Polish Academy of Sciences, 05-110 Jabłonna, Poland; (K.Z.); (J.W.)
- Anara AB, 231 32 Trelleborg, Sweden; (P.W.); (J.D.)
| | - Piotr Wychowański
- Anara AB, 231 32 Trelleborg, Sweden; (P.W.); (J.D.)
- Department of Head and Neck and Sensory Organs, Division of Oral Surgery and Implantology, Institute of Clinical Dentistry, Gemelli Foundation for the University Policlinic, Catholic University of the “Sacred Heart”, 00168 Rome, Italy
- Department of Oral Surgery, Medical University of Gdańsk, 80-211 Gdańsk, Poland
- Specialized Private Implantology Clinic Wychowanski Stomatologia, 02-517 Warsaw, Poland
| | - Kamil Zaworski
- Department of Animal Physiology, The Kielanowski Institute of Animal Physiology and Nutrition, Polish Academy of Sciences, 05-110 Jabłonna, Poland; (K.Z.); (J.W.)
| | - Jarosław Woliński
- Department of Animal Physiology, The Kielanowski Institute of Animal Physiology and Nutrition, Polish Academy of Sciences, 05-110 Jabłonna, Poland; (K.Z.); (J.W.)
- Large Animal Models Laboratory, The Kielanowski Institute of Animal Physiology and Nutrition, Polish Academy of Sciences, 05-110 Jabłonna, Poland
| | - Janine Donaldson
- Anara AB, 231 32 Trelleborg, Sweden; (P.W.); (J.D.)
- School of Physiology, Faculty of Health Sciences, University of the Witwatersrand (WITS), Johannesburg 2050, South Africa
| | - Stefan Pierzynowski
- Department of Biology, Lund University, 223 62 Lund, Sweden;
- Anara AB, 231 32 Trelleborg, Sweden; (P.W.); (J.D.)
- Department of Medical Biology, Institute of Rural Health, 20-090 Lublin, Poland
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Rezaei M, Ghanadian M, Ghezelbash B, Shokouhi A, Bazhin AV, Zamyatnin AA, Ganjalikhani-Hakemi M. TIM-3/Gal-9 interaction affects glucose and lipid metabolism in acute myeloid leukemia cell lines. Front Immunol 2023; 14:1267578. [PMID: 38022614 PMCID: PMC10667689 DOI: 10.3389/fimmu.2023.1267578] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2023] [Accepted: 10/23/2023] [Indexed: 12/01/2023] Open
Abstract
Introduction T-cell immunoglobulin and mucin domain-3 (TIM-3) is a transmembrane molecule first identified as an immunoregulator. This molecule is also expressed on leukemic cells in acute myeloid leukemia and master cell survival and proliferation. In this study, we aimed to explore the effect of TIM-3 interaction with its ligand galectin-9 (Gal-9) on glucose and lipid metabolism in AML cell lines. Methods HL-60 and THP-1 cell lines, representing M3 and M5 AML subtypes, respectively, were cultured under appropriate conditions. The expression of TIM-3 on the cell surface was ascertained by flow cytometric assay. We used real-time PCR to examine the mRNA expression of GLUT-1, HK-2, PFKFB-3, G6PD, ACC-1, ATGL, and CPT-1A; colorimetric assays to measure the concentration of glucose, lactate, GSH, and the enzymatic activity of G6PD; MTT assay to determine cellular proliferation; and gas chromatography-mass spectrometry (GC-MS) to designate FFAs. Results We observed the significant upregulated expression of GLUT-1, HK-2, PFKFB-3, ACC-1, CPT-1A, and G6PD and the enzymatic activity of G6PD in a time-dependent manner in the presence of Gal-9 compared to the PMA and control groups in both HL-60 and THP-1 cell lines (p > 0.05). Moreover, the elevation of extracellular free fatty acids, glucose consumption, lactate release, the concentration of cellular glutathione (GSH) and cell proliferation were significantly higher in the presence of Gal-9 compared to the PMA and control groups in both cell lines (p < 0.05). Conclusion TIM-3/Gal-9 ligation on AML cell lines results in aerobic glycolysis and altered lipid metabolism and also protects cells from oxidative stress, all in favor of leukemic cell survival and proliferation.
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Affiliation(s)
- Mahnaz Rezaei
- Department of Immunology, Faculty of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Mustafa Ghanadian
- Department of Pharmacognosy, School of Pharmacy, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Behrooz Ghezelbash
- Department of Immunology, Faculty of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Abolfazl Shokouhi
- Endocrine and Metabolism Research Center, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Alexandr V. Bazhin
- Department of General, Visceral and Transplant Surgery, Ludwig Maximilians University of Munich, Munich, Germany
| | - Andrey A. Zamyatnin
- Faculty of Bioengineering and Bioinformatics, Lomonosov Moscow State University, Moscow, Russia
- Belozersky Institute of Physico-Chemical Biology, Lomonosov Moscow State University, Moscow, Russia
- Scientific Center for Translation Medicine, Sirius University of Science and Technology, Sochi, Russia
- Institute of Translational Medicine and Biotechnology, Sechenov First Moscow State Medical University, Moscow, Russia
| | - Mazdak Ganjalikhani-Hakemi
- Department of Immunology, Faculty of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran
- Regenerative and Restorative Medicine Research Center (REMER), Research Institute for Health Sciences and Technologies (SABITA), Istanbul Medipol University, Istanbul, Türkiye
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Dong H, Zhang J, Li Y, Ahmad HI, Li T, Liang Q, Li Y, Yang M, Han J. Liver Transcriptome Profiling Identifies Key Genes Related to Lipid Metabolism in Yili Geese. Animals (Basel) 2023; 13:3473. [PMID: 38003091 PMCID: PMC10668734 DOI: 10.3390/ani13223473] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2023] [Revised: 11/07/2023] [Accepted: 11/08/2023] [Indexed: 11/26/2023] Open
Abstract
The Yili goose is the only indigenous goose breed that originates from Anser anser in China, known for its adaptability, strong flying ability, and tender meat with a low body lipid content. The liver plays a crucial role in lipid and glucose metabolism, including the intake, secretion, transportation, and storage of fatty acids (FAs). In this study, RNA-sequencing (RNA-seq) technology was performed to analyze the liver differentially expressed genes of Yili geese and their hybrid geese to investigate differences in liver lipid and glucose metabolism. A total of 452 differentially expressed genes (Q-value < 0.05) were identified. Notably, in KEGG enrichment analysis, four pathways (Q-value < 0.05) were enriched to be associated with lipid and glucose metabolism, including the metabolic pathway, PI3K-Akt signaling pathway, glycolysis/gluconeogenesis, and steroid biosynthesis. This study provides insights into potential candidate genes and metabolic pathways that affect the liver lipid metabolism of Yili goose. These findings provide a better understanding of animal liver lipid deposition and metabolism.
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Affiliation(s)
- Huajiao Dong
- College of Animal Science and Technology, Shihezi University, Shihezi 832061, China; (H.D.); (J.Z.); (Y.L.); (T.L.); (Q.L.); (Y.L.)
| | - Jie Zhang
- College of Animal Science and Technology, Shihezi University, Shihezi 832061, China; (H.D.); (J.Z.); (Y.L.); (T.L.); (Q.L.); (Y.L.)
| | - Yingying Li
- College of Animal Science and Technology, Shihezi University, Shihezi 832061, China; (H.D.); (J.Z.); (Y.L.); (T.L.); (Q.L.); (Y.L.)
| | - Hafiz Ishfaq Ahmad
- Department of Animal Breeding and Genetics, Faculty of Veterinary and Animal Sciences, The Islamia University of Bahawalpur, Bahawalpur 63100, Pakistan;
| | - Tiantian Li
- College of Animal Science and Technology, Shihezi University, Shihezi 832061, China; (H.D.); (J.Z.); (Y.L.); (T.L.); (Q.L.); (Y.L.)
| | - Qianqian Liang
- College of Animal Science and Technology, Shihezi University, Shihezi 832061, China; (H.D.); (J.Z.); (Y.L.); (T.L.); (Q.L.); (Y.L.)
| | - Yan Li
- College of Animal Science and Technology, Shihezi University, Shihezi 832061, China; (H.D.); (J.Z.); (Y.L.); (T.L.); (Q.L.); (Y.L.)
| | - Min Yang
- College of Animal Science and Technology, Shihezi University, Shihezi 832061, China; (H.D.); (J.Z.); (Y.L.); (T.L.); (Q.L.); (Y.L.)
| | - Jilong Han
- College of Animal Science and Technology, Shihezi University, Shihezi 832061, China; (H.D.); (J.Z.); (Y.L.); (T.L.); (Q.L.); (Y.L.)
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Zhuang L, Ma W, Jiao J. Inhibition of Key Glycolytic Enzyme Hexokinase 2 Ameliorates Psoriasiform Inflammation in vitro and in vivo. Clin Cosmet Investig Dermatol 2023; 16:3229-3239. [PMID: 37965102 PMCID: PMC10642575 DOI: 10.2147/ccid.s435624] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2023] [Accepted: 10/24/2023] [Indexed: 11/16/2023]
Abstract
Purpose Epidermal keratinocytes with an abnormal glucose metabolism have been identified in psoriasis. Hexokinase 2 (HK2) is a crucial enzyme involved in glycolytic metabolic pathways. However, the expression of HK2 and its potential therapeutic effects in psoriasis remains unclear. This study aimed to investigate the expression pattern of HK2 and evaluate its therapeutic effects in psoriasis. Patients and Methods A gene expression dataset (GSE121212) downloaded from the Gene Expression Omnibus (GEO) database was used to examine the expression of HK2 in psoriasis. HK2 RNA and protein expression were investigated in psoriasis vulgaris (n=5) and healthy (n=5) samples. Immunohistochemistry for HK2 was performed on psoriasis vulgaris (n=22) and healthy skin (n=10) samples. Additionally, HaCaT cells were treated with M5 (interleukin [IL]-17A, tumor necrosis factor-α, IL-1α, IL-22, and Oncostatin-M) to induce a psoriatic inflammation cell model. A mouse model of psoriatic inflammation was established using topical 5% imiquimod cream. Psoriasis-like cells and mouse models were treated with the HK2 inhibitor 3-bromopyruvate (3-BrPA). Cell proliferation, glucose consumption, and lactate production were assessed. Furthermore, the activation of nuclear factor-kappa B (NF-Kb) and NOD-like receptor thermal protein domain associated protein 3 (NLRP3) was investigated using Western blot analysis. Results According to the GEO dataset, HK2 expression was significantly elevated in psoriasis. Upregulation of HK2 in psoriatic tissues was confirmed by quantitative real-time polymerase chain reaction and Western blotting. The immunohistochemistry score for HK2 was higher in psoriatic lesions than in healthy skin. 3-BrPA inhibited the proliferation and glycolysis of M5-stimulated HaCaT cells. Topical 3-BrPA ameliorated imiquimod-induced psoriasis-like dermatitis. Activation of NF-kB and NLRP3 was downregulated by 3-BrPA treatment. Conclusion Our study revealed that the glycolytic enzyme HK2 was upregulated in psoriasis and that the HK2 inhibitor 3-BrPA exhibited therapeutic effects in psoriasis cell and mouse models.
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Affiliation(s)
- Le Zhuang
- Department of Dermatology, Central Hospital Affiliated to Shandong First Medical University, Jinan, Shandong Province, People’s Republic of China
| | - Weiyuan Ma
- Department of Dermatology, Affiliated Hospital of Weifang Medical University, Weifang, Shandong Province, People’s Republic of China
| | - Jing Jiao
- Department of Dermatology, Central Hospital Affiliated to Shandong First Medical University, Jinan, Shandong Province, People’s Republic of China
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York EM, Miller A, Stopka SA, Martínez-François JR, Hossain MA, Baquer G, Regan MS, Agar NYR, Yellen G. The dentate gyrus differentially metabolizes glucose and alternative fuels during rest and stimulation. J Neurochem 2023. [PMID: 37929637 DOI: 10.1111/jnc.16004] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2023] [Revised: 10/16/2023] [Accepted: 10/21/2023] [Indexed: 11/07/2023]
Abstract
The metabolic demands of neuronal activity are both temporally and spatially dynamic, and neurons are particularly sensitive to disruptions in fuel and oxygen supply. Glucose is considered an obligate fuel for supporting brain metabolism. Although alternative fuels are often available, the extent of their contribution to central carbon metabolism remains debated. Differential fuel metabolism likely depends on cell type, location, and activity state, complicating its study. While biosensors provide excellent spatial and temporal information, they are limited to observations of only a few metabolites. On the other hand, mass spectrometry is rich in chemical information, but traditionally relies on cell culture or homogenized tissue samples. Here, we use mass spectrometry imaging (MALDI-MSI) to focus on the fuel metabolism of the dentate granule cell (DGC) layer in murine hippocampal slices. Using stable isotopes, we explore labeling dynamics at baseline, as well as in response to brief stimulation or fuel competition. We find that at rest, glucose is the predominant fuel metabolized through glycolysis, with little to no measurable contribution from glycerol or fructose. However, lactate/pyruvate, β-hydroxybutyrate (βHB), octanoate, and glutamine can contribute to TCA metabolism to varying degrees. In response to brief depolarization with 50 mM KCl, glucose metabolism was preferentially increased relative to the metabolism of alternative fuels. With an increased supply of alternative fuels, both lactate/pyruvate and βHB can outcompete glucose for TCA cycle entry. While lactate/pyruvate modestly reduced glucose contribution to glycolysis, βHB caused little change in glycolysis. This approach achieves broad metabolite coverage from a spatially defined region of physiological tissue, in which metabolic states are rapidly preserved following experimental manipulation. Using this powerful methodology, we investigated metabolism within the dentate gyrus not only at rest, but also in response to the energetic demand of activation, and in states of fuel competition.
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Affiliation(s)
- Elisa M York
- Department of Neurobiology, Harvard Medical School, Boston, Massachusetts, USA
| | - Anne Miller
- Department of Neurobiology, Harvard Medical School, Boston, Massachusetts, USA
| | - Sylwia A Stopka
- Department of Neurosurgery, Brigham and Women's Hospital, Boston, Massachusetts, USA
- Department of Radiology, Brigham and Women's Hospital, Boston, Massachusetts, USA
| | | | - Md Amin Hossain
- Department of Neurosurgery, Brigham and Women's Hospital, Boston, Massachusetts, USA
- Department of Radiology, Brigham and Women's Hospital, Boston, Massachusetts, USA
| | - Gerard Baquer
- Department of Neurosurgery, Brigham and Women's Hospital, Boston, Massachusetts, USA
- Department of Radiology, Brigham and Women's Hospital, Boston, Massachusetts, USA
| | - Michael S Regan
- Department of Neurosurgery, Brigham and Women's Hospital, Boston, Massachusetts, USA
- Department of Radiology, Brigham and Women's Hospital, Boston, Massachusetts, USA
| | - Nathalie Y R Agar
- Department of Neurosurgery, Brigham and Women's Hospital, Boston, Massachusetts, USA
- Department of Radiology, Brigham and Women's Hospital, Boston, Massachusetts, USA
- Department of Cancer Biology, Dana-Farber Cancer Institute; Harvard Medical School, Boston, Massachusetts, USA
| | - Gary Yellen
- Department of Neurobiology, Harvard Medical School, Boston, Massachusetts, USA
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Hayashi Y, Tando Y, Ito‐Matsuoka Y, Ikuta K, Takehara A, Morino K, Maegawa H, Matsui Y. Nutritional and metabolic control of germ cell fate through O-GlcNAc regulation. EMBO Rep 2023; 24:e56845. [PMID: 37842859 PMCID: PMC10626443 DOI: 10.15252/embr.202356845] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2023] [Revised: 09/14/2023] [Accepted: 09/18/2023] [Indexed: 10/17/2023] Open
Abstract
Fate determination of primordial germ cells (PGCs) is regulated in a multi-layered manner, involving signaling pathways, epigenetic mechanisms, and transcriptional control. Chemical modification of macromolecules, including epigenetics, is expected to be closely related with metabolic mechanisms but the detailed molecular machinery linking these two layers remains poorly understood. Here, we show that the hexosamine biosynthetic pathway controls PGC fate determination via O-linked β-N-acetylglucosamine (O-GlcNAc) modification. Consistent with this model, reduction of carbohydrate metabolism via a maternal ketogenic diet that decreases O-GlcNAcylation levels causes repression of PGC formation in vivo. Moreover, maternal ketogenic diet intake until mid-gestation affects the number of ovarian germ cells in newborn pups. Taken together, we show that nutritional and metabolic mechanisms play a previously unappreciated role in PGC fate determination.
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Affiliation(s)
- Yohei Hayashi
- Cell Resource Center for Biomedical Research, Institute of Development, Aging and Cancer (IDAC)Tohoku UniversitySendaiJapan
- Graduate School of Life SciencesTohoku UniversitySendaiJapan
- Graduate School of MedicineTohoku UniversitySendaiJapan
| | - Yukiko Tando
- Cell Resource Center for Biomedical Research, Institute of Development, Aging and Cancer (IDAC)Tohoku UniversitySendaiJapan
- Graduate School of Life SciencesTohoku UniversitySendaiJapan
- Graduate School of MedicineTohoku UniversitySendaiJapan
| | - Yumi Ito‐Matsuoka
- Cell Resource Center for Biomedical Research, Institute of Development, Aging and Cancer (IDAC)Tohoku UniversitySendaiJapan
| | - Kaho Ikuta
- School of MedicineTohoku UniversitySendaiJapan
| | - Asuka Takehara
- Cell Resource Center for Biomedical Research, Institute of Development, Aging and Cancer (IDAC)Tohoku UniversitySendaiJapan
| | - Katsutaro Morino
- Department of MedicineShiga University of Medical ScienceOtsuJapan
| | - Hiroshi Maegawa
- Department of MedicineShiga University of Medical ScienceOtsuJapan
| | - Yasuhisa Matsui
- Cell Resource Center for Biomedical Research, Institute of Development, Aging and Cancer (IDAC)Tohoku UniversitySendaiJapan
- Graduate School of Life SciencesTohoku UniversitySendaiJapan
- Graduate School of MedicineTohoku UniversitySendaiJapan
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144
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Ianiro G, Niro A, Rosa L, Valenti P, Musci G, Cutone A. To Boost or to Reset: The Role of Lactoferrin in Energy Metabolism. Int J Mol Sci 2023; 24:15925. [PMID: 37958908 PMCID: PMC10650157 DOI: 10.3390/ijms242115925] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2023] [Revised: 10/25/2023] [Accepted: 10/31/2023] [Indexed: 11/15/2023] Open
Abstract
Many pathological conditions, including obesity, diabetes, hypertension, heart disease, and cancer, are associated with abnormal metabolic states. The progressive loss of metabolic control is commonly characterized by insulin resistance, atherogenic dyslipidemia, inflammation, central obesity, and hypertension, a cluster of metabolic dysregulations usually referred to as the "metabolic syndrome". Recently, nutraceuticals have gained attention for the generalized perception that natural substances may be synonymous with health and balance, thus becoming favorable candidates for the adjuvant treatment of metabolic dysregulations. Among nutraceutical proteins, lactoferrin (Lf), an iron-binding glycoprotein of the innate immune system, has been widely recognized for its multifaceted activities and high tolerance. As this review shows, Lf can exert a dual role in human metabolism, either boosting or resetting it under physiological and pathological conditions, respectively. Lf consumption is safe and is associated with several benefits for human health, including the promotion of oral and gastrointestinal homeostasis, control of glucose and lipid metabolism, reduction of systemic inflammation, and regulation of iron absorption and balance. Overall, Lf can be recommended as a promising natural, completely non-toxic adjuvant for application as a long-term prophylaxis in the therapy for metabolic disorders, such as insulin resistance/type II diabetes and the metabolic syndrome.
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Affiliation(s)
- Giusi Ianiro
- Department of Biosciences and Territory, University of Molise, 86090 Pesche, Italy; (G.I.); (A.N.); (G.M.)
| | - Antonella Niro
- Department of Biosciences and Territory, University of Molise, 86090 Pesche, Italy; (G.I.); (A.N.); (G.M.)
| | - Luigi Rosa
- Department of Public Health and Infectious Diseases, University of Rome La Sapienza, 00185 Rome, Italy; (L.R.); (P.V.)
| | - Piera Valenti
- Department of Public Health and Infectious Diseases, University of Rome La Sapienza, 00185 Rome, Italy; (L.R.); (P.V.)
| | - Giovanni Musci
- Department of Biosciences and Territory, University of Molise, 86090 Pesche, Italy; (G.I.); (A.N.); (G.M.)
| | - Antimo Cutone
- Department of Biosciences and Territory, University of Molise, 86090 Pesche, Italy; (G.I.); (A.N.); (G.M.)
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145
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He X, Gao X, Xie W. Research Progress in Skin Aging, Metabolism, and Related Products. Int J Mol Sci 2023; 24:15930. [PMID: 37958920 PMCID: PMC10647560 DOI: 10.3390/ijms242115930] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2023] [Revised: 10/26/2023] [Accepted: 11/01/2023] [Indexed: 11/15/2023] Open
Abstract
In recent years, skin aging has received increasing attention. Many factors affect skin aging, and research has shown that metabolism plays a vital role in skin aging, but there needs to be a more systematic review. This article reviews the interaction between skin metabolism and aging from the perspectives of glucose, protein, and lipid metabolism and explores relevant strategies for skin metabolism regulation. We found that skin aging affects the metabolism of three major substances, which are glucose, protein, and lipids, and the metabolism of the three major substances in the skin also affects the process of skin aging. Some drugs or compounds can regulate the metabolic disorders mentioned above to exert anti-aging effects. Currently, there are a variety of products, but most of them focus on improving skin collagen levels. Skin aging is closely related to metabolism, and they interact with each other. Regulating specific metabolic disorders in the skin is an important anti-aging strategy. Research and development have focused on improving collagen levels, while the regulation of other skin glycosylation and lipid disorders including key membrane or cytoskeleton proteins is relatively rare. Further research and development are expected.
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Affiliation(s)
- Xin He
- State Key Laboratory of Chemical Oncogenomics, Shenzhen International Graduate School, Tsinghua University, Shenzhen 518055, China; (X.H.); (X.G.)
- Open FIESTA Center, Shenzhen International Graduate School, Tsinghua University, Shenzhen 518055, China
- Shenzhen Key Laboratory of Health Science and Technology, Institute of Biopharmaceutical and Health, Tsinghua University, Shenzhen 518055, China
| | - Xinyu Gao
- State Key Laboratory of Chemical Oncogenomics, Shenzhen International Graduate School, Tsinghua University, Shenzhen 518055, China; (X.H.); (X.G.)
- Shenzhen Key Laboratory of Health Science and Technology, Institute of Biopharmaceutical and Health, Tsinghua University, Shenzhen 518055, China
| | - Weidong Xie
- State Key Laboratory of Chemical Oncogenomics, Shenzhen International Graduate School, Tsinghua University, Shenzhen 518055, China; (X.H.); (X.G.)
- Open FIESTA Center, Shenzhen International Graduate School, Tsinghua University, Shenzhen 518055, China
- Shenzhen Key Laboratory of Health Science and Technology, Institute of Biopharmaceutical and Health, Tsinghua University, Shenzhen 518055, China
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146
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Abu-Farha M, Madhu D, Hebbar P, Mohammad A, Channanath A, Kavalakatt S, Alam-Eldin N, Alterki F, Taher I, Alsmadi O, Shehab M, Arefanian H, Ahmad R, Thanaraj TA, Al-Mulla F, Abubaker J. The Proinflammatory Role of ANGPTL8 R59W Variant in Modulating Inflammation through NF-κB Signaling Pathway under TNFα Stimulation. Cells 2023; 12:2563. [PMID: 37947641 PMCID: PMC10648545 DOI: 10.3390/cells12212563] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2023] [Revised: 08/17/2023] [Accepted: 10/30/2023] [Indexed: 11/12/2023] Open
Abstract
BACKGROUND Angiopoietin-like protein 8 (ANGPTL8) is known to regulate lipid metabolism and inflammation. It interacts with ANGPTL3 and ANGPTL4 to regulate lipoprotein lipase (LPL) activity and with IKK to modulate NF-κB activity. Further, a single nucleotide polymorphism (SNP) leading to the ANGPTL8 R59W variant associates with reduced low-density lipoprotein/high-density lipoprotein (LDL/HDL) and increased fasting blood glucose (FBG) in Hispanic and Arab individuals, respectively. In this study, we investigate the impact of the R59W variant on the inflammatory activity of ANGPTL8. METHODS The ANGPTL8 R59W variant was genotyped in a discovery cohort of 867 Arab individuals from Kuwait. Plasma levels of ANGPTL8 and inflammatory markers were measured and tested for associations with the genotype; the associations were tested for replication in an independent cohort of 278 Arab individuals. Impact of the ANGPTL8 R59W variant on NF-κB activity was examined using approaches including overexpression, luciferase assay, and structural modeling of binding dynamics. RESULTS The ANGPTL8 R59W variant was associated with increased circulatory levels of tumor necrosis factor alpha (TNFα) and interleukin 7 (IL7). Our in vitro studies using HepG2 cells revealed an increased phosphorylation of key inflammatory proteins of the NF-κB pathway in individuals with the R59W variant as compared to those with the wild type, and TNFα stimulation further elevated it. This finding was substantiated by increased luciferase activity of NF-κB p65 with the R59W variant. Modeled structural and binding variation due to R59W change in ANGPTL8 agreed with the observed increase in NF-κB activity. CONCLUSION ANGPTL8 R59W is associated with increased circulatory TNFα, IL7, and NF-κB p65 activity. Weak transient binding of the ANGPTL8 R59W variant explains its regulatory role on the NF-κB pathway and inflammation.
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Affiliation(s)
- Mohamed Abu-Farha
- Department of Biochemistry and Molecular Biology, Dasman Diabetes Institute, Dasman 15462, Kuwait; (M.A.-F.); (D.M.); (A.M.); (S.K.); (N.A.-E.)
| | - Dhanya Madhu
- Department of Biochemistry and Molecular Biology, Dasman Diabetes Institute, Dasman 15462, Kuwait; (M.A.-F.); (D.M.); (A.M.); (S.K.); (N.A.-E.)
| | - Prashantha Hebbar
- Department of Genetics and Bioinformatics, Dasman Diabetes Institute, Dasman 15462, Kuwait; (P.H.); (A.C.); (F.A.-M.)
| | - Anwar Mohammad
- Department of Biochemistry and Molecular Biology, Dasman Diabetes Institute, Dasman 15462, Kuwait; (M.A.-F.); (D.M.); (A.M.); (S.K.); (N.A.-E.)
| | - Arshad Channanath
- Department of Genetics and Bioinformatics, Dasman Diabetes Institute, Dasman 15462, Kuwait; (P.H.); (A.C.); (F.A.-M.)
| | - Sina Kavalakatt
- Department of Biochemistry and Molecular Biology, Dasman Diabetes Institute, Dasman 15462, Kuwait; (M.A.-F.); (D.M.); (A.M.); (S.K.); (N.A.-E.)
| | - Nada Alam-Eldin
- Department of Biochemistry and Molecular Biology, Dasman Diabetes Institute, Dasman 15462, Kuwait; (M.A.-F.); (D.M.); (A.M.); (S.K.); (N.A.-E.)
| | - Fatima Alterki
- Department of internal Medicine, Amiri Hospital, Ministry of Health, Kuwait City 15462, Kuwait;
| | - Ibrahim Taher
- Microbiology Unit, Department of Pathology, College of Medicine, Jouf University, Sakaka P.O. Box 2014, Saudi Arabia;
| | - Osama Alsmadi
- Department of Cell Therapy and Applied Genomics, King Hussein Cancer Center, Amman 1269, Jordan;
| | - Mohammad Shehab
- Division of Gastroenterology, Department of Internal Medicine, Mubarak Alkabeer University Hospital, Kuwait University, Kuwait City 47061, Kuwait;
| | - Hossein Arefanian
- Department of Immunology & Microbiology, Dasman Diabetes Institute, Dasman 15462, Kuwait; (H.A.); (R.A.)
| | - Rasheed Ahmad
- Department of Immunology & Microbiology, Dasman Diabetes Institute, Dasman 15462, Kuwait; (H.A.); (R.A.)
| | - Thangavel Alphonse Thanaraj
- Department of Genetics and Bioinformatics, Dasman Diabetes Institute, Dasman 15462, Kuwait; (P.H.); (A.C.); (F.A.-M.)
| | - Fahd Al-Mulla
- Department of Genetics and Bioinformatics, Dasman Diabetes Institute, Dasman 15462, Kuwait; (P.H.); (A.C.); (F.A.-M.)
| | - Jehad Abubaker
- Department of Biochemistry and Molecular Biology, Dasman Diabetes Institute, Dasman 15462, Kuwait; (M.A.-F.); (D.M.); (A.M.); (S.K.); (N.A.-E.)
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147
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Joshua IM, Lin M, Mardjuki A, Mazzola A, Höfken T. A Protein-Protein Interaction Analysis Suggests a Wide Range of New Functions for the p21-Activated Kinase (PAK) Ste20. Int J Mol Sci 2023; 24:15916. [PMID: 37958899 PMCID: PMC10647699 DOI: 10.3390/ijms242115916] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2023] [Revised: 10/25/2023] [Accepted: 10/30/2023] [Indexed: 11/15/2023] Open
Abstract
The p21-activated kinases (PAKs) are important signaling proteins. They contribute to a surprisingly wide range of cellular processes and play critical roles in a number of human diseases including cancer, neurological disorders and cardiac diseases. To get a better understanding of PAK functions, mechanisms and integration of various cellular activities, we screened for proteins that bind to the budding yeast PAK Ste20 as an example, using the split-ubiquitin technique. We identified 56 proteins, most of them not described previously as Ste20 interactors. The proteins fall into a small number of functional categories such as vesicle transport and translation. We analyzed the roles of Ste20 in glucose metabolism and gene expression further. Ste20 has a well-established role in the adaptation to changing environmental conditions through the stimulation of mitogen-activated protein kinase (MAPK) pathways which eventually leads to transcription factor activation. This includes filamentous growth, an adaptation to nutrient depletion. Here we show that Ste20 also induces filamentous growth through interaction with nuclear proteins such as Sac3, Ctk1 and Hmt1, key regulators of gene expression. Combining our observations and the data published by others, we suggest that Ste20 has several new and unexpected functions.
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Affiliation(s)
| | - Meng Lin
- Institute of Biochemistry, Kiel University, 24118 Kiel, Germany
| | - Ariestia Mardjuki
- Division of Biosciences, Brunel University London, Uxbridge UB8 3PH, UK; (I.M.J.)
| | - Alessandra Mazzola
- Division of Biosciences, Brunel University London, Uxbridge UB8 3PH, UK; (I.M.J.)
- Department of Biopathology and Medical and Forensic Biotechnologies, University of Palermo, 90133 Palermo, Italy
| | - Thomas Höfken
- Division of Biosciences, Brunel University London, Uxbridge UB8 3PH, UK; (I.M.J.)
- Institute of Biochemistry, Kiel University, 24118 Kiel, Germany
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148
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Shrivastava S, Sharma A, Saxena N, Bhamra R, Kumar S. Addressing the preventive and therapeutic perspective of berberine against diabetes. Heliyon 2023; 9:e21233. [PMID: 38027723 PMCID: PMC10663750 DOI: 10.1016/j.heliyon.2023.e21233] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2023] [Revised: 09/20/2023] [Accepted: 10/18/2023] [Indexed: 12/01/2023] Open
Abstract
Diabetes has emerged as one the leading detrimental factors for human life expectancy worldwide. The disease is mainly considered as outcome of dysregulation in glucose metabolism, resulting in consistent high glucose concentration in blood. At initial stages, the diabetes particularly type 2 diabetes, is manageable by lifestyle interventions such as regular physical activity and diet with less carbohydrates. However, in advance stage, regular intake of external insulin dose and medicines like metformin are recommended. The long-term consumption of metformin is associated with several side effects such as nausea, vomiting, diarrhoea, lectic acidosis etc., In this scenario, several plant-based medicines have shown promising potential for the prevention and treatment of diabetes. Berberine is the bioactive compound present in the different plant parts of berberis family. Biochemical studies have shown that berberine improve insulin sensitivity and insulin secretion. Additionally, berberine induces glucose metabolism by activating AMPK signaling and inhibition of inflammation. A series of studies have demonstrated the antidiabetic potential of berberine at in vitro, pre-clinical and clinical trials. This review provides comprehensive details of preventive and therapeutic potential of berberine against diabetes.
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Affiliation(s)
- Suyesh Shrivastava
- ICMR-National Institute of Research in Tribal Health, Nagpur Road, Jabalpur-482003, India
| | - Anamika Sharma
- National Institute of Pharmaceutical and Education and Research 500037, Hyderabad, India
| | - Nishant Saxena
- ICMR-National Institute of Research in Tribal Health, Nagpur Road, Jabalpur-482003, India
| | - Rashmi Bhamra
- Global Research Institute of Pharmacy, Radour-135133, Haryana, India
| | - Sandeep Kumar
- ICMR-National Institute of Research in Tribal Health, Nagpur Road, Jabalpur-482003, India
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Saxena S, Dagar N, Shelke V, Lech M, Khare P, Gaikwad AB. Metabolic reprogramming: Unveiling the therapeutic potential of targeted therapies against kidney disease. Drug Discov Today 2023; 28:103765. [PMID: 37690600 DOI: 10.1016/j.drudis.2023.103765] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2023] [Revised: 08/20/2023] [Accepted: 09/05/2023] [Indexed: 09/12/2023]
Abstract
As a high-metabolic-rate organ, the kidney exhibits metabolic reprogramming (MR) in various disease states. Given the >800 million cases of kidney disease worldwide in 2022, understanding the specific bioenergetic pathways involved and developing targeted interventions are vital needs. The reprogramming of metabolic pathways (glucose metabolism, amino acid metabolism, etc.) has been observed in kidney disease. Therapies targeting these specific pathways have proven to be an efficient approach for retarding kidney disease progression. In this review, we focus on potential pharmacological interventions targeting MR that have advanced through Phase III/IV clinical trials for the management of kidney disease and promising preclinical studies laying the groundwork for future clinical investigations.
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Affiliation(s)
- Shubhangi Saxena
- Department of Pharmacy, Birla Institute of Technology and Science Pilani, Pilani Campus, Rajasthan 333031, India
| | - Neha Dagar
- Department of Pharmacy, Birla Institute of Technology and Science Pilani, Pilani Campus, Rajasthan 333031, India
| | - Vishwadeep Shelke
- Department of Pharmacy, Birla Institute of Technology and Science Pilani, Pilani Campus, Rajasthan 333031, India
| | - Maciej Lech
- Division of Nephrology, Department of Medicine IV, LMU University Hospital, Ludwig Maximilians University Munich, 80336 Munich, Germany
| | - Pragyanshu Khare
- Department of Pharmacy, Birla Institute of Technology and Science Pilani, Pilani Campus, Rajasthan 333031, India
| | - Anil Bhanudas Gaikwad
- Department of Pharmacy, Birla Institute of Technology and Science Pilani, Pilani Campus, Rajasthan 333031, India.
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150
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Cheng J, Keuthan CJ, Esumi N. The many faces of SIRT6 in the retina and retinal pigment epithelium. Front Cell Dev Biol 2023; 11:1244765. [PMID: 38016059 PMCID: PMC10646311 DOI: 10.3389/fcell.2023.1244765] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2023] [Accepted: 10/18/2023] [Indexed: 11/30/2023] Open
Abstract
Sirtuin 6 (SIRT6) is a member of the mammalian sirtuin family of NAD+-dependent protein deacylases, homologues of the yeast silent information regulator 2 (Sir2). SIRT6 has remarkably diverse functions and plays a key role in a variety of biological processes for maintaining cellular and organismal homeostasis. In this review, our primary aim is to summarize recent progress in understanding SIRT6's functions in the retina and retinal pigment epithelium (RPE), with the hope of further drawing interests in SIRT6 to increase efforts in exploring the therapeutic potential of this unique protein in the vision field. Before describing SIRT6's role in the eye, we first discuss SIRT6's general functions in a wide range of biological contexts. SIRT6 plays an important role in gene silencing, metabolism, DNA repair, antioxidant defense, inflammation, aging and longevity, early development, and stress response. In addition, recent studies have revealed SIRT6's role in macrophage polarization and mitochondrial homeostasis. Despite being initially understudied in the context of the eye, recent efforts have begun to elucidate the critical functions of SIRT6 in the retina and RPE. In the retina, SIRT6 is essential for adult retinal function, regulates energy metabolism by suppressing glycolysis that affects photoreceptor cell survival, protects retinal ganglion cells from oxidative stress, and plays a role in Müller cells during early neurodegenerative events in diabetic retinopathy. In the RPE, SIRT6 activates autophagy in culture and protects against oxidative stress in mice. Taken together, this review demonstrates that better understanding of SIRT6's functions and their mechanisms, both in and out of the context of the eye, holds great promise for the development of SIRT6-targeted strategies for prevention and treatment of blinding eye diseases.
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Affiliation(s)
| | | | - Noriko Esumi
- Wilmer Eye Institute, Johns Hopkins University School of Medicine, Baltimore, MD, United States
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