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Askar ME, Ali SI, Younis NN, Shaheen MA, Zaher ME. Raspberry ketone ameliorates nonalcoholic fatty liver disease in rats by activating the AMPK pathway. Eur J Pharmacol 2023; 957:176001. [PMID: 37598925 DOI: 10.1016/j.ejphar.2023.176001] [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: 05/23/2023] [Revised: 08/08/2023] [Accepted: 08/17/2023] [Indexed: 08/22/2023]
Abstract
The current study aimed to investigate the effect of orally administered raspberry ketone (RK) on ameliorating nonalcoholic fatty liver disease (NAFLD) induced in rats by high-fat high-fructose diet (HFFD) in comparison to calorie restriction (CR) regimen. Thirty male Wistar rats were divided into two experimental groups; one was fed normal chow diet (NCD, n = 6) for 15 weeks to serve as normal control group and the other group was fed HFFD (n = 24) for 7 weeks to induce NAFLD. After induction, rats in the HFFD group were randomly allocated into four groups (n = 6 rats each). One group continued on HFFD feeding for 8 weeks (NAFLD control group). The remaining 3 groups received NCD, calorie-restricted diet, or NCD along with RK (55 mg/kg/day, orally) for 8 weeks. Like CR, RK effectively attenuated NAFLD and ameliorated the changes attained by HFFD. RK upregulated the expression of the phosphorylated AMP-activated protein kinase (P-AMPK) and fatty acid oxidation factors; peroxisome proliferator-activated receptor alpha (PPAR-α) and carnitine palmitoyltransferase-1 (CPT-1) and downregulated lipogenic factors; sterol regulatory element-binding protein-1c (SREBP-1c) and fatty acid synthase (FAS) in the hepatic tissue. Also, RK improved lipid profile parameters, liver enzymes and both body and liver tissue weights. Altogether, these findings suggest that oral administration of RK, along with normal diet, ameliorated NAFLD in a way similar to CR. This approach could be an alternative to CR in the management of NAFLD, overcoming the poor compliance to long term CR regimen.
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Affiliation(s)
- Mervat E Askar
- Department of Biochemistry, Faculty of Pharmacy, Zagazig University, 44519, Egypt
| | - Sousou I Ali
- Department of Biochemistry, Faculty of Pharmacy, Zagazig University, 44519, Egypt
| | - Nahla N Younis
- Department of Biochemistry, Faculty of Pharmacy, Zagazig University, 44519, Egypt.
| | - Mohamed A Shaheen
- Department of Medical Histology and Cell Biology, Faculty of Medicine, Zagazig University, 44519, Egypt
| | - Mahmoud E Zaher
- Department of Biochemistry, Faculty of Pharmacy, Zagazig University, 44519, Egypt
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2
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Verma S, Goand UK, Garg R, Husain A, Katekar RA, Riyazuddin M, Dadge S, Gayen JR. LC-MS/MS method for quantification of raspberry ketone in rat plasma: application to preclinical pharmacokinetic studies. Bioanalysis 2023. [PMID: 36916612 DOI: 10.4155/bio-2022-0239] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/15/2023] Open
Abstract
Background: Raspberry ketone (RK), derived from red raspberry fruit (Rubus idaeus, family Rosaceae), is a reported potent antiobesity agent. This study aims to investigate method development, validation, and in vitro and in vivo pharmacokinetics in rats. Materials & methods: LC-MS/MS was used to conduct method development, validation, stability, and oral PK samples of RK in plasma analyses. Results: RK was highly soluble in Tris buffer and stable in gastrointestinal fluids as well as plasma. Rat liver microsomal stability of RK in phase I and II studies was 84.96 ± 2.39 and 69.98 ± 8.69%, respectively, after 60 min. Intestinal permeability was 4.39 ± 1.37 × 10-5 cm/s. Maximal concentration was 1591.02 ± 64.76 ng/ml, which was achieved after 1 h (time to maximal concentration), and absolute oral bioavailability was 86.28%. Conclusion: Pharmacokinetic data serve as a keystone for preclinical and clinical adjuvant therapy.
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Uramaru N, Kawashima A, Osabe M, Higuchi T. Rhododendrol, a reductive metabolite of raspberry ketone, suppresses the differentiation of 3T3‑L1 cells into adipocytes. Mol Med Rep 2023; 27:51. [PMID: 36633126 PMCID: PMC9879071 DOI: 10.3892/mmr.2023.12938] [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: 03/25/2022] [Accepted: 12/21/2022] [Indexed: 01/13/2023] Open
Abstract
Obesity is a serious medical condition worldwide, and a major risk factor for type 2 diabetes, metabolic syndrome, cancer and cardiovascular disease. In addition to changes in dietary habits and physical activity, consuming supplements to maintain good health and prevent obesity is important in modern society. Raspberry ketone (RK) is a natural phenolic ketone found in the European red raspberry (Rubus idaeus L.) and is hypothesized to prevent obesity when administered orally. The present study found that RK was reduced to rhododendrol (ROH) in human liver microsomes and cytosol. The present study investigated whether the metabolite ROH had anti‑adipogenic effects using mouse 3T3‑L1 cells. The effects of ROH or RK on lipid accumulation during differentiation of 3T3‑L1 pre‑adipocyte into adipocyte were determined using Oil Red O staining. CCAAT enhancer‑binding protein α (C/EBPα) and peroxisome proliferator‑activated receptor γ (PPARγ) mRNA and protein expression were examined using reverse transcription‑quantitative PCR and western blotting analysis, respectively. The present study revealed that ROH suppressed lipid accumulation in the cells, similar to RK. In addition, ROH suppressed the mRNA expression levels of C/EBPα and PPARγ in 3T3‑L1 adipocytes. Furthermore, ROH suppressed PPARγ protein expression in 3T3‑L1 adipocytes. These findings suggested that ROH is an active metabolite with an anti‑adipogenic effect, which may contribute to the anti‑obesity effect of orally administered RK. The present study indicated that it is important to understand the biological activity of the metabolites of orally administered compounds.
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Affiliation(s)
- Naoto Uramaru
- Division of Pharmaceutical Health Biosciences, Nihon Pharmaceutical University, Saitama 362-0806, Japan
| | - Azusa Kawashima
- Division of Pharmaceutical Health Biosciences, Nihon Pharmaceutical University, Saitama 362-0806, Japan
| | - Makoto Osabe
- Division of Pharmaceutical Health Biosciences, Nihon Pharmaceutical University, Saitama 362-0806, Japan
| | - Toshiyuki Higuchi
- Division of Pharmaceutical Health Biosciences, Nihon Pharmaceutical University, Saitama 362-0806, Japan,Correspondence to: Professor Toshiyuki Higuchi, Division of Pharmaceutical Health Biosciences, Nihon Pharmaceutical University, 10281 Komuro, Ina-machi, Kitaadachi-gun, Saitama 362-0806, Japan, E-mail:
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4
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Kshatriya D, Hao L, Bello NT. Metabolic gene signature in white adipose tissue of oral doses raspberry ketone [4-(4-hydroxyphenyl)-2-butanone] that prevent diet-induced weight gain and induce loss of righting reflex. Food Chem Toxicol 2023; 171:113540. [PMID: 36460224 PMCID: PMC9793719 DOI: 10.1016/j.fct.2022.113540] [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: 09/06/2022] [Revised: 11/16/2022] [Accepted: 11/27/2022] [Indexed: 12/05/2022]
Abstract
Raspberry ketone (RK; [4-(4-hydroxyphenyl)-2-butanone]) is a synthetic flavoring agent and dietary supplement for weight control. This study investigated the metabolic signature of oral doses of RK that prevent weight gain or promote loss of righting reflex (LORR) in C57Bl/6J mice. Daily RK 200 mg/kg prevented high-fat diet (HFD; 45% Kcal fat) fed weight gain (∼8% reduction) over 35 days. RNA-seq of inguinal white adipose tissue (WAT) performed in males revealed 12 differentially expressed genes. Apelin (Apln) and potassium voltage-gated channel subfamily C member (Kcnc3) expression were elevated with HFD and normalized with RK dosing, which was confirmed by qPCR. Acute RK 640 mg/kg produced a LORR with a <5 min onset with a >30 min duration. Acute RK 200 mg/kg increased gene expression of Apln, Kcnc3, and nuclear factor erythroid 2-related factor 2 (Nrf2), but reduced acetyl-COA carboxylase (Acc1) and NAD(P)H quinone dehydrogenase 1 (Nqo1) in inguinal WAT. Acute RK 640 mg/kg elevated interleukin 6 (Il 6) and heme oxygenase 1 (Hmox1) expression, but reduced Nrf2 in inguinal and epididymal WAT. Our findings suggest that RK has a dose-dependent metabolic signature in WAT associated with either weight control or LORR.
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Affiliation(s)
- Dushyant Kshatriya
- Department of Animal Sciences, Nutritional Sciences Graduate Program, School of Environmental and Biological Sciences, Rutgers, The State University of New Jersey, New Brunswick, NJ, 08901, USA
| | - Lihong Hao
- Department of Animal Sciences, School of Environmental and Biological Sciences, Rutgers, The State University of New Jersey, New Brunswick, NJ, 08901, USA
| | - Nicholas T Bello
- Department of Animal Sciences, Nutritional Sciences Graduate Program, School of Environmental and Biological Sciences, Rutgers, The State University of New Jersey, New Brunswick, NJ, 08901, USA.
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Cruciani S, Garroni G, Pala R, Coradduzza D, Cossu ML, Ginesu GC, Capobianco G, Dessole S, Ventura C, Maioli M. Metformin and vitamin D modulate adipose-derived stem cell differentiation towards the beige phenotype. Adipocyte 2022; 11:356-365. [PMID: 35734882 PMCID: PMC9235891 DOI: 10.1080/21623945.2022.2085417] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
Adipose-derived stem cells (ADSCs) represent an ideal stem cell population for regenerative medicine. ADSC adipogenic differentiation is controlled by the activation of a specific transcriptional program, including epigenetic factors and key adipogenic genes. Under certain conditioned media, ADSCs can differentiate into several phenotypes. We previously demonstrated that bioactive molecules could counteract lipid accumulation and regulate adipogenesis, acting on inflammation and vitamin D metabolism. In the present paper, we aimed at evaluating the effect of metformin and vitamin D in targeting ADSC differentiation towards an intermediate phenotype, as beige adipocytes. We exposed ADSCs to different conditioned media and then we evaluated the levels of expression of main markers of adipogenesis, aP2, LPL and ACOT2. We also analysed the gene and protein expression of thermogenic UCP1 protein, and the expression of PARP1 and the beige specific marker TMEM26. Our results showed a novel effect of metformin and vitamin D not only in inhibiting adipogenesis, but also in inducing a specific ‘brown-like’ phenotype. These findings pave the way for their possible application in the control of de novo lipogenesis useful for the prevention of obesity and its related metabolic disorders.
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Affiliation(s)
- Sara Cruciani
- Department of Biomedical Sciences, University of Sassari, Sassari, Italy
| | - Giuseppe Garroni
- Department of Biomedical Sciences, University of Sassari, Sassari, Italy
| | - Renzo Pala
- Department of Biomedical Sciences, University of Sassari, Sassari, Italy
| | | | - Maria Laura Cossu
- General Surgery Unit 2 "Clinica Chirurgica" Medical, Surgical and Experimental Sciences Department, University of Sassari, Sassari, Italy
| | - Giorgio Carlo Ginesu
- General Surgery Unit 2 "Clinica Chirurgica" Medical, Surgical and Experimental Sciences Department, University of Sassari, Sassari, Italy
| | - Giampiero Capobianco
- Department of Medical, Surgical and Experimental Sciences, Gynecologic and Obstetric Clinic, University of Sassari, Sassari, Italy
| | - Salvatore Dessole
- Department of Medical, Surgical and Experimental Sciences, Gynecologic and Obstetric Clinic, University of Sassari, Sassari, Italy
| | - Carlo Ventura
- Laboratory of Molecular Biology and Stem Cell Engineering, National Institute of Biostructures and Biosystems - Eldor Lab, Innovation Accelerator, Consiglio Nazionale delle Ricerche, Bologna, Italy
| | - Margherita Maioli
- Department of Biomedical Sciences, University of Sassari, Sassari, Italy.,Center for Developmental Biology and Reprogramming (CEDEBIOR), Department of Biomedical Sciences, University of Sassari, Sassari, Italy
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6
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Patel A, Rasheed A, Reilly I, Pareek Z, Hansen M, Haque Z, Simon-Fajardo D, Davies C, Tummala A, Reinhardt K, Bustabad A, Shaw M, Robins J, Vera Gomez K, Suphakorn T, Camacho Gemelgo M, Law A, Lin K, Hospedales E, Haley H, Perez Martinez JP, Khan S, DeCanio J, Padgett M, Abramov A, Nanjundan M. Modulation of Cytoskeleton, Protein Trafficking, and Signaling Pathways by Metabolites from Cucurbitaceae, Ericaceae, and Rosaceae Plant Families. Pharmaceuticals (Basel) 2022; 15:1380. [PMID: 36355554 PMCID: PMC9698530 DOI: 10.3390/ph15111380] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [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: 10/10/2022] [Revised: 11/04/2022] [Accepted: 11/07/2022] [Indexed: 10/22/2023] Open
Abstract
One promising frontier within the field of Medical Botany is the study of the bioactivity of plant metabolites on human health. Although plant metabolites are metabolic byproducts that commonly regulate ecological interactions and biochemical processes in plant species, such metabolites also elicit profound effects on the cellular processes of human and other mammalian cells. In this regard, due to their potential as therapeutic agents for a variety of human diseases and induction of toxic cellular responses, further research advances are direly needed to fully understand the molecular mechanisms induced by these agents. Herein, we focus our investigation on metabolites from the Cucurbitaceae, Ericaceae, and Rosaceae plant families, for which several plant species are found within the state of Florida in Hillsborough County. Specifically, we compare the molecular mechanisms by which metabolites and/or plant extracts from these plant families modulate the cytoskeleton, protein trafficking, and cell signaling to mediate functional outcomes, as well as a discussion of current gaps in knowledge. Our efforts to lay the molecular groundwork in this broad manner hold promise in supporting future research efforts in pharmacology and drug discovery.
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Affiliation(s)
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | - Meera Nanjundan
- Department of Cell Biology, Microbiology and Molecular Biology, University of South Florida, 4202 East Fowler Avenue, Tampa, FL 33620, USA
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Lee W, Song G, Bae H. Suppressive Effect of Fraxetin on Adipogenesis and Reactive Oxygen Species Production in 3T3-L1 Cells by Regulating MAPK Signaling Pathways. Antioxidants (Basel) 2022; 11:1893. [PMID: 36290616 PMCID: PMC9598290 DOI: 10.3390/antiox11101893] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2022] [Revised: 09/19/2022] [Accepted: 09/21/2022] [Indexed: 11/18/2022] Open
Abstract
Recent studies have identified obesity as one of the world’s most serious chronic disorders. Adipogenesis, in which preadipocytes are differentiated into mature adipocytes, has a decisive role in establishing the number of adipocytes and determining the lipid storage capacity of adipose tissue and fat mass in adults. Fat accumulation in obesity is implicated with elevated oxidative stress in adipocytes induced by reactive oxygen species (ROS). Adipogenesis regulation by inhibiting adipogenic differentiation and ROS production has been selected as the strategy to treat obesity. The conventional anti-obesity drugs allowed by the U.S. Food and Drug Administration have severe adverse effects. Therefore, various natural products have been developed as a solution for obesity, suppressing adipogenic differentiation. Fraxetin is a major component extracted from the stem barks of Fraxinus rhynchophylla, with various bioactivities, including anti-inflammatory, anticancer, antioxidant, and antibacterial functions. However, the effect of fraxetin on adipogenesis is still not clearly understood. We studied the pharmacological functions of fraxetin in suppressing lipid accumulation and its underlying molecular mechanisms involving 3T3-L1 preadipocytes. Moreover, increased ROS production induced by a mixture of insulin, dexamethasone, and 3-isobutylmethylxanthine (MDI) in 3T3-L1 was attenuated by fraxetin during adipogenesis. These effects were regulated by mitogen-activated protein kinase (MAPK) signaling pathways. Therefore, our findings imply that fraxetin possesses inhibitory roles in adipogenesis and can be a potential anti-obesity drug.
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8
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Khan F, Khan H, Khan A, Yamasaki M, Moustaid-Moussa N, Al-Harrasi A, Rahman SM. Autophagy in adipogenesis: Molecular mechanisms and regulation by bioactive compounds. Biomed Pharmacother 2022; 155:113715. [PMID: 36152415 DOI: 10.1016/j.biopha.2022.113715] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [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: 06/30/2022] [Revised: 09/19/2022] [Accepted: 09/19/2022] [Indexed: 11/02/2022] Open
Abstract
White adipose tissue expands rapidly due to increased adipocyte number (hyperplasia) and size (hypertrophy), which results in obesity. Adipogenesis is a process of the formation of mature adipocytes from precursor cells. Additionally, obesity-related metabolic complications, such as fatty liver and insulin resistance, are linked to adipogenesis. On the contrary, autophagy is a catabolic process; essential to maintain cellular homeostasis via the degradation or recycling of unnecessary or damaged components. Importantly, autophagy dictates obesity and adipogenesis. Hence, a clear understanding of how autophagy regulates adipogenesis is crucial for drug development and the prevention and treatment of obesity and its associated disorders, such as type 2 diabetes, cardiovascular disease, and cancer. In this review, we highlighted recent findings regarding the crosstalk between adipogenesis and autophagy, as well as the molecules involved. Furthermore, the review discussed how bioactive compounds regulate adipogenesis by manipulating autophagy and underlying molecular mechanisms. Based on in vitro and animal studies, we summarized the effects of bioactive compounds on adipogenesis and autophagy. Hence, human studies are necessary to validate the effectiveness and optimal dosage of these bioactive compounds.
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Affiliation(s)
- Faizullah Khan
- Natural and Medical Sciences Research Center, University of Nizwa, Nizwa 616, Sultanate of Oman; Department of Pharmacy, Abdul Wali Khan University Mardan, Mardan 23200 Khyber Pakhtunkhwa, Pakistan
| | - Haroon Khan
- Department of Pharmacy, Abdul Wali Khan University Mardan, Mardan 23200 Khyber Pakhtunkhwa, Pakistan
| | - Ajmal Khan
- Natural and Medical Sciences Research Center, University of Nizwa, Nizwa 616, Sultanate of Oman
| | - Masao Yamasaki
- Department of Biochemistry and Applied Biosciences, Faculty of Agriculture, University of Miyazaki, Miyazaki, Japan
| | - Naima Moustaid-Moussa
- Texas Tech University, Nutritional Sciences, Lubbock, TX 79409, USA; Obesity Research Institute, Texas Tech University, Lubbock, TX 79409, USA
| | - Ahmed Al-Harrasi
- Natural and Medical Sciences Research Center, University of Nizwa, Nizwa 616, Sultanate of Oman
| | - Shaikh Mizanoor Rahman
- Natural and Medical Sciences Research Center, University of Nizwa, Nizwa 616, Sultanate of Oman.
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Qin H, Song Z, Zhao C, Yang J, Xia F, Wang L, Ali A, Zheng W. Liquiritigenin Inhibits Lipid Accumulation in 3T3-L1 Cells via mTOR-Mediated Regulation of the Autophagy Mechanism. Nutrients 2022; 14:1287. [PMID: 35334944 PMCID: PMC8954126 DOI: 10.3390/nu14061287] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2022] [Revised: 02/28/2022] [Accepted: 03/16/2022] [Indexed: 02/01/2023] Open
Abstract
Liquiritigenin (LQG) is a natural flavonoid from the herb Glycyrrhiza uralensis Fisch that exhibits multiple biological activities. However, its specific role in antiobesity and its related underlying molecular mechanisms remain unknown. The primary purpose of this study is to explore the effects and regulatory mechanisms of LQG on lipid accumulation in 3T3-L1 adipocytes. The results show that LQG significantly reduced triglyceride levels and downregulated the expression of transcription factors such as CCAAT/enhancer-binding protein α (C/EBPα) and peroxisome proliferator-activated receptor γ (PPARγ) in 3T3-L1 adipocytes. Additionally, the expression of sterol-regulatory element-binding protein 1c (SREBP1c), acetyl-CoA carboxylase 1 (ACC1), and fatty acid synthase (FASN) involved in lipogenesis was reduced by treatment with LQG. The protein expression levels of light chain 3B (LC3B), autophagy-related protein 7 (ATG7) and p62 were also modulated by LQG, leading to the suppression of autophagy. Further, LQG activated the phosphorylation of the mammalian target of rapamycin (mTOR), the inhibition of which was followed by the restored expression of autophagy-related proteins. Pretreatment with an mTOR inhibitor also reverted the expression of several genes or proteins involved in lipid synthesis. These results suggest that LQG inhibited lipid accumulation via mTOR-mediated autophagy in 3T3-L1 white adipocytes, indicating the role of LQG as a potential natural bioactive component for use in dietary supplements for preventing obesity.
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Tsai YC, Cheng PY, Chen JH, Lee YM, Yen MH. Raspberry ketone promotes FNDC5 protein expression via HO-1 upregulation in 3T3-L1 adipocytes. CHINESE J PHYSIOL 2022; 65:80-86. [DOI: 10.4103/cjp.cjp_95_21] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
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11
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Li X, Wei T, Wu M, Chen F, Zhang P, Deng ZY, Luo T. Potential metabolic activities of raspberry ketone. J Food Biochem 2021; 46:e14018. [PMID: 34913499 DOI: 10.1111/jfbc.14018] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [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: 09/17/2021] [Revised: 10/30/2021] [Accepted: 11/01/2021] [Indexed: 12/11/2022]
Abstract
Novel food and food compounds interventions have attracted a lot of attention nowadays for the prevention and treatment of metabolic diseases. Raspberry ketone (RK) is aromatic compound found within red fruits and berries, has been used as an over-the-counter product for weight loss. However, actually, the effect of RK on weight loss is still controversial, and the mechanism is largely unknown. Besides, in vivo and in vitro studies have demonstrated the beneficial effect of RK on the development of other metabolic diseases. In this review, we comprehensively highlighted the synthesis, bioavailability, and metabolism of RK, and summarized the progress made in our understanding of the potential biological activities of RK, including antiobesity, antidiabetes, cardioprotection, and hepatoprotection, as well as their underlying mechanisms. This paper provides a critical overview about the current findings and proposes the future studies in the area of RK on human health. PRACTICAL APPLICATIONS: Raspberry ketone (RK) has been used for weight control for years, but this effect is controversial considering food intake. Additionally, RK is beneficial for T2DM, liver and heart injury. The underlying mechanisms of the protective effect of RK including accelerating fatty acid oxidation, balancing serum glucose level, anti-inflammation, antioxidant process, and so on. In this context, we provide a comprehensive analysis of the benefits of RK against many metabolic diseases and discuss the underlying molecular mechanisms. We hope our work will be helpful for further researches on RK and improve its public recognition.
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Affiliation(s)
- Xiaoping Li
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang, China
| | - Teng Wei
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang, China
| | - Min Wu
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang, China
| | - Fang Chen
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang, China.,School of Public Health, Nanchang University, Nanchang, China
| | - Peng Zhang
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang, China
| | - Ze-Yuan Deng
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang, China
| | - Ting Luo
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang, China
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12
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Hao L, Bello NT. Reduced Body Fat and Epididymal Adipose Apelin Expression Associated With Raspberry Ketone [4-(4-Hydroxyphenyl)-2-Butanone] Weight Gain Prevention in High-Fat-Diet Fed Mice. Front Physiol 2021; 12:771816. [PMID: 34887778 PMCID: PMC8650585 DOI: 10.3389/fphys.2021.771816] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [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: 09/07/2021] [Accepted: 10/19/2021] [Indexed: 11/18/2022] Open
Abstract
Raspberry ketone [4-(4-hydroxyphenyl)-2-butanone] is a natural aromatic compound found in raspberries and other fruits. Raspberry ketone (RK) is synthetically produced for use as a commercial flavoring agent. In the United States and other markets, it is sold as a dietary supplement for weight control. The potential of RK to reduce or prevent excessive weight gain is unclear and could be a convergence of several different actions. This study sought to determine whether acute RK can immediately delay carbohydrate hyperglycemia and reduce gastrointestinal emptying. In addition, we explored the metabolic signature of chronic RK to prevent or remedy the metabolic effects of diet-induced weight gain. In high-fat diet (HFD; 45% fat)-fed male mice, acute oral gavage of RK (200 mg/kg) reduced hyperglycemia from oral sucrose load (4 g/kg) at 15 min. In HFD-fed female mice, acute oral RK resulted in an increase in blood glucose at 30 min. Chronic daily oral gavage of RK (200 mg/kg) commencing with HFD access (HFD_RK) for 11 weeks resulted in less body weight gain and reduced fat mass compared with vehicle treated (HFD_Veh) and chronic RK starting 4 weeks after HFD access (HFD_RKw4) groups. Compared with a control group fed a low-fat diet (LFD; 10% fat) and dosed with vehicle (LFD_Veh), glucose AUC of an oral glucose tolerance test was increased with HFD_Veh, but not in HFD_RK or HFD_RKw4. Apelin (Apln) gene expression in epididymal white adipose tissue was increased in HFD_Veh, but reduced to LFD_Veh levels in the HFD_RK group. Peroxisome proliferator activated receptor alpha (Ppara) gene expression was increased in the hepatic tissue of HFD_RK and HFD_RKw4 groups. Overall, our findings suggest that long term daily use of RK prevents diet-induced weight gain, normalizes high-fat diet-induced adipose Apln, and increases hepatic Ppara expression.
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Affiliation(s)
- Lihong Hao
- Department of Animal Sciences, School of Environmental and Biological Sciences, Rutgers, The State University of New Jersey, New Brunswick, NJ, United States
| | - Nicholas T Bello
- Department of Animal Sciences, School of Environmental and Biological Sciences, Rutgers, The State University of New Jersey, New Brunswick, NJ, United States
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Chen C, Yang X, Liu S, Zhang M, Wang C, Xia X, Lou Y, Xu H. The effect of lipid metabolism regulator anthocyanins from Aronia melanocarpa on 3T3-L1 preadipocytes and C57BL/6 mice via activating AMPK signaling and gut microbiota. Food Funct 2021; 12:6254-6270. [PMID: 34114580 DOI: 10.1039/d1fo00907a] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
This study investigated lipid metabolism regulation by anthocyanins from Aronia melanocarpa (AAM) in 3T3-L1 preadipocytes and high fat diet (HFD) mice. Ultra-performance liquid chromatography/ion mobility quadrupole time-of-flight mass spectrometry analysis identified the constituents of AAM, which decreased lipid content and inflammation in 3T3-L1 cells without cytotoxicity. Meanwhile, taking normal diet and orlistat mice as references, AAM supplementation improved blood lipid levels and adipocyte degeneration, promoted beneficial gut microbial growth, and maintained lipid metabolism in HFD mice. Furthermore, AAM activated the AMP-activated protein kinase (AMPK) signaling pathway, accompanied by the regulation of adipogenic transcription factors and their target genes in vitro and in vivo. Collectively, our data demonstrated that AAM exhibits anti-adipogenic activities that were partially mediated by the AMPK pathway and gut microbiota regulation. This study provides new insight into the regulation of lipid metabolism by AAM and suggests that AAM has potential therapeutic effects on hyperlipidemia.
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Affiliation(s)
- Chunping Chen
- Department of Food Science and Engineering, College of Agriculture, Yanbian University, Yanji 133000, Jilin, China.
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Lim SH, Choi CI. Potentials of Raspberry Ketone as a Natural Antioxidant. Antioxidants (Basel) 2021; 10:antiox10030482. [PMID: 33803859 PMCID: PMC8003299 DOI: 10.3390/antiox10030482] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [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: 02/09/2021] [Revised: 03/03/2021] [Accepted: 03/15/2021] [Indexed: 12/15/2022] Open
Abstract
Oxidative stress is closely linked to various diseases, and many studies have been conducted to determine how to reduce this stress. In particular, efforts are being made to find potential antioxidants from natural products. Studies have shown that raspberry ketone (RK; 4-(4-hydroxyphenyl)-2-butanone) has various pharmacological activities. This review summarizes the antioxidant activities of RK and their underlying mechanisms. In several experimental models, it was proven that RK exhibits antioxidant properties through increasing total antioxidant capacity (TAC); upregulating antioxidant enzymes, such as superoxide dismutase (SOD) and catalase (CAT); and improving lipid peroxidation. In conclusion, research about RK’s antioxidant activities is directly or indirectly related to its other various physiological activities. Further studies at the clinical level will be able to verify the value of RK as an effective antioxidant, functional health food, and therapeutic agent.
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Affiliation(s)
- Sung Ho Lim
- BK21 FOUR Team and Integrated Research Institute for Drug Development, College of Pharmacy, Dongguk University-Seoul, Goyang 10326, Korea;
| | - Chang-Ik Choi
- Integrated Research Institute for Drug Development, College of Pharmacy, Dongguk University-Seoul, Goyang 10326, Korea
- Correspondence: ; Tel.: +82-31-961-5230
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15
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Forbes-Hernández TY, Cianciosi D, Ansary J, Mezzetti B, Bompadre S, Quiles JL, Giampieri F, Battino M. Strawberry (Fragaria × ananassa cv. Romina) methanolic extract promotes browning in 3T3-L1 cells. Food Funct 2020; 11:297-304. [PMID: 31915782 DOI: 10.1039/c9fo02285f] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
In recent years, the conversion of white adipocytes to brown-like adipocytes by pharmacological and dietary compounds has gained attention as an effective strategy to fight obesity. Strawberry bioactive compounds present several biological activities including antioxidant, anti-inflammatory, anti-cancer, anti-atherosclerotic and antiadipogenic properties. However, to the best of our knowledge, the possible role of strawberry bioactive compounds in white adipose tissue (WAT) browning has never been explored. Our results demonstrated that a strawberry methanolic extract (SE) significantly reduced 3T3-L1 pre-adipocytes differentiation, and down-regulated the mRNA expression of the adipogenic transcription factors CCAAT/enhancer-binding protein (C/REB- α) and peroxisome proliferation-activated receptor (PPAR-γ). It also down-regulated the mRNA expression of resistin and angiotensinogen, two genes considered as markers of white adipocytes, while increased the mRNA expression of pyruvate dehydrogenase lipoamide kinase isozyme 4 (PDK4) and uncoupling protein 1 (UCP1) which, conversely, are brown adipocyte-specific markers. Likewise, SE stimulated AMP-activated protein kinase (AMPKα), sirtuin 1 (Sirt1) and the peroxisome proliferator activated receptor gamma coactivator 1-alpha (PGC-1α), suggesting a possible increase in mitochondrial biogenesis. It also stimulated oxygen consumption rate and uncoupled respiration. Taken together, all these results suggest that SE induces brown fat-like phenotype in 3T3-L1 cells and may have potential therapeutic implications for treatment and/or prevention of obesity.
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Affiliation(s)
- Tamara Y Forbes-Hernández
- Nutrition and Food Science Group, department of Analytical and Food Chemistry, CITACA, CACTI, University of Vigo - Vigo Campus, 32004 Ourense, Spain
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16
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Hao L, Kshatriya D, Li X, Badrinath A, Szmacinski Z, Goedken MJ, Polunas M, Bello NT. Acute feeding suppression and toxicity of raspberry ketone [4-(4-hydroxyphenyl)-2-butanone] in mice. Food Chem Toxicol 2020; 143:111512. [PMID: 32565406 PMCID: PMC7483346 DOI: 10.1016/j.fct.2020.111512] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [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: 03/12/2020] [Revised: 05/09/2020] [Accepted: 06/05/2020] [Indexed: 02/06/2023]
Abstract
Raspberry ketone (RK; [4-(4-hydroxyphenyl)-2-butanone]) is used by the food and cosmetic industry as a flavoring agent. RK is also marketed as a dietary supplement for weight maintenance and appetite control. The purpose of the study was to characterize the acute feeding suppression with RK (64-640 mg/kg) by oral gavage in male and female C57BL/6J mice. Cumulative 24 h food intake was reduced at 200 mg/kg (24% feeding suppression) in males and reliably reduced at 640 mg/kg (49-77% feeding suppression). Feeding suppression was not associated with pica behavior over the range of doses or conditioned taste aversion. In a separate experiment, a single oral gavage of RK (640 mg/kg) resulted in approximate 43% mortality rate (6 out 14 male mice) within 2 days. Atrophy of white adipose tissue, splenic abnormalities, and thymus involution were noted after 2-4 days after oral gavage RK. Total white blood cell count, lymphocytes, monocytes, eosinophils were significantly lower, while mean red blood cells, hemoglobin, and hematocrit were significantly higher with RK treatment. Our findings indicated a dose-dependent feeding suppression with acute RK, but doses that reliable suppress food intake are associated with pathological changes.
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Affiliation(s)
- Lihong Hao
- Department of Animal Sciences, School of Environmental and Biological Sciences, Rutgers, The State University of New Jersey, New Brunswick, NJ, 08901, USA
| | - Dushyant Kshatriya
- Department of Animal Sciences, School of Environmental and Biological Sciences, Rutgers, The State University of New Jersey, New Brunswick, NJ, 08901, USA; Nutritional Sciences Graduate Program, School of Environmental and Biological Sciences, Rutgers, The State University of New Jersey New Brunswick, NJ, 08901, USA
| | - Xinyi Li
- Department of Animal Sciences, School of Environmental and Biological Sciences, Rutgers, The State University of New Jersey, New Brunswick, NJ, 08901, USA; Nutritional Sciences Graduate Program, School of Environmental and Biological Sciences, Rutgers, The State University of New Jersey New Brunswick, NJ, 08901, USA
| | - Aditi Badrinath
- Department of Animal Sciences, School of Environmental and Biological Sciences, Rutgers, The State University of New Jersey, New Brunswick, NJ, 08901, USA; Endocrinology and Animal Biosciences Graduate Program, School of Environmental and Biological Sciences, Rutgers, The State University of New Jersey New Brunswick, NJ, 08901, USA
| | - Zuzanna Szmacinski
- Department of Animal Sciences, School of Environmental and Biological Sciences, Rutgers, The State University of New Jersey, New Brunswick, NJ, 08901, USA
| | - Michael J Goedken
- Research Pathology Services, Rutgers, The State University of New Jersey, Piscataway, NJ, 08854, USA
| | - Marianne Polunas
- Research Pathology Services, Rutgers, The State University of New Jersey, Piscataway, NJ, 08854, USA
| | - Nicholas T Bello
- Department of Animal Sciences, School of Environmental and Biological Sciences, Rutgers, The State University of New Jersey, New Brunswick, NJ, 08901, USA; Nutritional Sciences Graduate Program, School of Environmental and Biological Sciences, Rutgers, The State University of New Jersey New Brunswick, NJ, 08901, USA; Endocrinology and Animal Biosciences Graduate Program, School of Environmental and Biological Sciences, Rutgers, The State University of New Jersey New Brunswick, NJ, 08901, USA.
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17
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Tsai YC, Wang CW, Wen BY, Hsieh PS, Lee YM, Yen MH, Cheng PY. Involvement of the p62/Nrf2/HO-1 pathway in the browning effect of irisin in 3T3-L1 adipocytes. Mol Cell Endocrinol 2020; 514:110915. [PMID: 32540261 DOI: 10.1016/j.mce.2020.110915] [Citation(s) in RCA: 4] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/12/2020] [Revised: 06/07/2020] [Accepted: 06/08/2020] [Indexed: 01/01/2023]
Abstract
Irisin has gained attention because of its potential applications in the treatment of metabolic diseases. Accumulating evidence indicates that irisin attenuates obesity via the browning of white adipose tissue; however, the underlying mechanisms are unclear. Here, we evaluated the effects of irisin on adipocyte browning and the underlying mechanisms. The western blotting and immunofluorescence analyses demonstrated that irisin significantly induced the up-regulation of brown fat-specific proteins (PGC1α, PRDM16, and UCP-1) and HO-1 in 3T3-L1 adipocytes. Moreover, irisin significantly increased the levels of cytosolic p62 and nuclear Nrf2. These effects of irisin in the adipocytes were attenuated by treatment with SnPP or p62 siRNA. In addition, the browning effect of irisin was observed in BAT-WT-1 cells. These findings suggest that irisin induced browning effect via the p62/Nrf2/HO-1 signalling pathway and that it may be a potential candidate for preventing or treating obesity.
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Affiliation(s)
- Yung-Chieh Tsai
- Department of Obstetrics and Gynecology, Chi-Mei Medical Center, Tainan, Taiwan; Department of Medicine, Taipei Medical University, Taipei, Taiwan; Department of Sport Management, Chia Nan University of Pharmacy and Science, Tainan, Taiwan
| | - Chyi-Wen Wang
- Department of Physiology and Biophysics, Graduate Institute of Physiology, National Defense Medical Center, Taipei, Taiwan
| | - Bo-Yao Wen
- Department of Physiology and Biophysics, Graduate Institute of Physiology, National Defense Medical Center, Taipei, Taiwan
| | - Po-Shiuan Hsieh
- Department of Physiology and Biophysics, Graduate Institute of Physiology, National Defense Medical Center, Taipei, Taiwan
| | - Yen-Mei Lee
- Department of Pharmacology, National Defense Medical Center, Taipei, Taiwan
| | - Mao-Hsiung Yen
- Department of Pharmacology, National Defense Medical Center, Taipei, Taiwan
| | - Pao-Yun Cheng
- Department of Physiology and Biophysics, Graduate Institute of Physiology, National Defense Medical Center, Taipei, Taiwan.
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18
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Boldarine VT, Pedroso AP, Brandão-Teles C, LoTurco EG, Nascimento CMO, Oyama LM, Bueno AA, Martins-de-Souza D, Ribeiro EB. Ovariectomy modifies lipid metabolism of retroperitoneal white fat in rats: a proteomic approach. Am J Physiol Endocrinol Metab 2020; 319:E427-E437. [PMID: 32663100 DOI: 10.1152/ajpendo.00094.2020] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [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] [Indexed: 12/17/2022]
Abstract
Menopause is often accompanied by visceral obesity. With the aim of exploring the consequences of ovarian failure on visceral fat, we evaluated the effects of ovariectomy and estrogen replacement on the proteome/phosphoproteome and on the fatty acid profile of the retroperitoneal adipose depot (RAT) of rats. Eighteen 3-mo-old female Wistar rats were either ovariectomized or sham operated and fed with standard chow for 3 mo. A subgroup of ovariectomized rats received estradiol replacement. RAT samples were analyzed with data-independent acquisitions LC-MS/MS, and pathway analysis was performed with the differentially expressed/phosphorylated proteins. RAT lipid profile was analyzed by gas chromatography. Ovariectomy induced high adiposity and insulin resistance and promoted alterations in protein expression and phosphorylation. Pathway analysis showed that five pathways were significantly affected by ovariectomy, namely, metabolism of lipids (including fatty acid metabolism and mitochondrial fatty acid β-oxidation), fatty acyl-CoA biosynthesis, innate immune system (including neutrophil degranulation), metabolism of vitamins and cofactors, and integration of energy metabolism (including ChREBP activates metabolic gene expression). Lipid profile analysis showed increased palmitic and palmitoleic acid content. The analysis of the data indicated that ovariectomy favored lipogenesis whereas it impaired fatty acid oxidation and induced a proinflammatory state in the visceral adipose tissue. These effects are consistent with the findings of high adiposity, hyperleptinemia, and impaired insulin sensitivity. The observed alterations were partially attenuated by estradiol replacement. The data point to a role of disrupted lipid metabolism in adipose tissue in the genesis of obesity after menopause.
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Affiliation(s)
- Valter T Boldarine
- Departamento de Fisiologia, Escola Paulista de Medicina, Universidade Federal de São Paulo, São Paulo, Brazil
| | - Amanda P Pedroso
- Departamento de Fisiologia, Escola Paulista de Medicina, Universidade Federal de São Paulo, São Paulo, Brazil
| | - Caroline Brandão-Teles
- Laboratory of Neuroproteomics, Department of Biochemistry and Tissue Biology, Institute of Biology, University of Campinas (UNICAMP), Campinas, Brazil
| | - Edson G LoTurco
- Divisão de Urologia e Reprodução Humana, Departamento de Cirurgia, Escola Paulista de Medicina, Universidade Federal de São Paulo, São Paulo, Brazil
| | - Cláudia M O Nascimento
- Departamento de Fisiologia, Escola Paulista de Medicina, Universidade Federal de São Paulo, São Paulo, Brazil
| | - Lila M Oyama
- Departamento de Fisiologia, Escola Paulista de Medicina, Universidade Federal de São Paulo, São Paulo, Brazil
| | - Allain A Bueno
- Department of Biological Sciences, College of Health, Life and Environmental Sciences, University of Worcester, Worcester, United Kingdom
| | - Daniel Martins-de-Souza
- Laboratory of Neuroproteomics, Department of Biochemistry and Tissue Biology, Institute of Biology, University of Campinas (UNICAMP), Campinas, Brazil
- Instituto Nacional de Biomarcadores em Neuropsiquiatria (INBION) Conselho Nacional de Desenvolvimento Científico e Tecnológico, São Paulo, Brazil
- Experimental Medicine Research Cluster (EMRC), University of Campinas, Campinas, Brazil
- D'Or Institute for Research and Education (IDOR), São Paulo, Brazil
| | - Eliane B Ribeiro
- Departamento de Fisiologia, Escola Paulista de Medicina, Universidade Federal de São Paulo, São Paulo, Brazil
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19
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Mei Z, Zhang K, Qu G, Li JK, Liu B, Ma JA, Tu R, Sun Z. High-Throughput Fluorescence Assay for Ketone Detection and Its Applications in Enzyme Mining and Protein Engineering. ACS Omega 2020; 5:13588-13594. [PMID: 32566823 PMCID: PMC7301380 DOI: 10.1021/acsomega.0c00245] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/17/2020] [Accepted: 05/21/2020] [Indexed: 06/11/2023]
Abstract
Ketones are of great importance as building blocks in synthetic organic chemistry and biocatalysis. Most ketones cannot easily be quantitatively assayed due to the lack of visible photometric properties. Effective high-throughput assay (HTA) development is therefore necessary for ketone determination. Inspired by previous works of an aldehyde assay based on 2-amino benzamidoxime derivatives, we developed a colorimetric method for rapid a HTA of structurally diverse ketones by using para-methoxy-2-amino benzamidoxime (PMA). This PMA-based method is characterized by high sensitivity manner (μM) with low background, as checked by gas chromatography (GC). It can be used for quantitatively monitoring ketones by fluorescence screening in microtiter plates. Furthermore, this HTA method was employed in mining alcohol dehydrogenases (ADHs), and in directed evolution aimed at enhancing ADH activity in the catalytic transformation of alcohols to ketones. This work provides a general tool for ketone detection in biocatalyst development.
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Affiliation(s)
- Zelong Mei
- College
of Biotechnology, Tianjin University of
Science and Technology, Tianjin 300457, China
- Tianjin
Institute of Industrial Biotechnology, Chinese Academy of Sciences, 32 West 7th Avenue, Tianjin Airport
Economic Area, Tianjin 300308, China
| | - Kun Zhang
- Tianjin
Institute of Industrial Biotechnology, Chinese Academy of Sciences, 32 West 7th Avenue, Tianjin Airport
Economic Area, Tianjin 300308, China
| | - Ge Qu
- Tianjin
Institute of Industrial Biotechnology, Chinese Academy of Sciences, 32 West 7th Avenue, Tianjin Airport
Economic Area, Tianjin 300308, China
| | - Jun-Kuan Li
- Tianjin
Institute of Industrial Biotechnology, Chinese Academy of Sciences, 32 West 7th Avenue, Tianjin Airport
Economic Area, Tianjin 300308, China
- Department
of Chemistry, Tianjin Key Laboratory of Molecular Optoelectronic Sciences,
and Tianjin Collaborative Innovation Center of Chemical Science and
Engineering, Tianjin University, Tianjin 300072, China
| | - Baoyan Liu
- Tianjin
Institute of Industrial Biotechnology, Chinese Academy of Sciences, 32 West 7th Avenue, Tianjin Airport
Economic Area, Tianjin 300308, China
| | - Jun-An Ma
- Department
of Chemistry, Tianjin Key Laboratory of Molecular Optoelectronic Sciences,
and Tianjin Collaborative Innovation Center of Chemical Science and
Engineering, Tianjin University, Tianjin 300072, China
| | - Ran Tu
- Tianjin
Institute of Industrial Biotechnology, Chinese Academy of Sciences, 32 West 7th Avenue, Tianjin Airport
Economic Area, Tianjin 300308, China
| | - Zhoutong Sun
- Tianjin
Institute of Industrial Biotechnology, Chinese Academy of Sciences, 32 West 7th Avenue, Tianjin Airport
Economic Area, Tianjin 300308, China
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20
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Kshatriya D, Hao L, Li X, Bello NT. Raspberry Ketone [4-(4-Hydroxyphenyl)-2-Butanone] Differentially Effects Meal Patterns and Cardiovascular Parameters in Mice. Nutrients 2020; 12:nu12061754. [PMID: 32545402 PMCID: PMC7353175 DOI: 10.3390/nu12061754] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2020] [Revised: 06/04/2020] [Accepted: 06/09/2020] [Indexed: 01/06/2023] Open
Abstract
Raspberry ketone (RK; [4-(4-hydroxyphenyl)-2-butanone]) is a popular nutraceutical used for weight management and appetite control. We sought to determine the physiological benefits of RK on the meal patterns and cardiovascular changes associated with an obesogenic diet. In addition, we explored whether the physiological benefits of RK promoted anxiety-related behaviors. Male and female C57BL/6J mice were administered a daily oral gavage of RK 200 mg/kg, RK 400 mg/kg, or vehicle for 14 days. Commencing with dosing, mice were placed on a high-fat diet (45% fat) or low-fat diet (10% fat). Our results indicated that RK 200 mg/kg had a differential influence on meal patterns in males and females. In contrast, RK 400 mg/kg reduced body weight gain, open-field total distance travelled, hemodynamic measures (i.e., reduced systolic blood pressure (BP), diastolic BP and mean BP), and increased nocturnal satiety ratios in males and females. In addition, RK 400 mg/kg increased neural activation in the nucleus of the solitary tract, compared with vehicle. RK actions were not influenced by diet, nor resulted in an anxiety-like phenotype. Our findings suggest that RK has dose-differential feeding and cardiovascular actions, which needs consideration as it is used as a nutraceutical for weight control for obesity.
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Affiliation(s)
- Dushyant Kshatriya
- Nutritional Sciences Graduate Program, School of Environmental and Biological Sciences, Rutgers, The State University of New Jersey, New Brunswick, NJ 08901, USA; (D.K.); (X.L.)
- Department of Animal Sciences, School of Environmental and Biological Sciences, Rutgers, The State University of New Jersey, New Brunswick, NJ 08901, USA;
| | - Lihong Hao
- Department of Animal Sciences, School of Environmental and Biological Sciences, Rutgers, The State University of New Jersey, New Brunswick, NJ 08901, USA;
| | - Xinyi Li
- Nutritional Sciences Graduate Program, School of Environmental and Biological Sciences, Rutgers, The State University of New Jersey, New Brunswick, NJ 08901, USA; (D.K.); (X.L.)
- Department of Animal Sciences, School of Environmental and Biological Sciences, Rutgers, The State University of New Jersey, New Brunswick, NJ 08901, USA;
| | - Nicholas T. Bello
- Nutritional Sciences Graduate Program, School of Environmental and Biological Sciences, Rutgers, The State University of New Jersey, New Brunswick, NJ 08901, USA; (D.K.); (X.L.)
- Department of Animal Sciences, School of Environmental and Biological Sciences, Rutgers, The State University of New Jersey, New Brunswick, NJ 08901, USA;
- Correspondence: ; Tel.: +1-848-932-2966
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21
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Yuan B, Zhao D, Kshatriya D, Bello NT, Simon JE, Wu Q. UHPLC-QqQ-MS/MS method development and validation with statistical analysis: Determination of raspberry ketone metabolites in mice plasma and brain. J Chromatogr B Analyt Technol Biomed Life Sci 2020; 1149:122146. [PMID: 32474352 DOI: 10.1016/j.jchromb.2020.122146] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2020] [Revised: 04/13/2020] [Accepted: 05/02/2020] [Indexed: 12/16/2022]
Abstract
Raspberry ketone (RK) (4-(4-hydroxyphenyl)-2-butanone) is the major compound responsible for the characteristic aroma of red raspberries, and has long been used commercially as a flavoring agent and recently as a weight loss supplement. A targeted UHPLC-QqQ-MS/MS method was developed and validated for analysis of RK and 25 associated metabolites in mouse plasma and brain. Dispersion and projection analysis and central composite design were used for method optimization. Random effect analysis of variance was applied for validation inference and variation partition. Within this framework, repeatability, a broader sense of precision, was calculated as fraction of accuracy variance, reflecting instrumental imprecision, compound degradation and carry-over effects. Multivariate correlation analysis and principle component analysis were conducted, revealing underlying association among the manifold of method traits. R programming was engaged in streamlined statistical analysis and data visualization. Two particular phenomena, the analytes' background existence in the enzyme solution used for phase II metabolites deconjugation, and the noted lability of analytes in pure solvent at 4 ℃ vs. elevated stability in biomatrices, were found critical to method development and validation. The approach for the method development and validation provided a foundation for experiments that examine RK metabolism and bioavailability.
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Liu S, Chang X, Yu J, Xu W. Cerasus humilis Cherry Polyphenol Reduces High-Fat Diet-Induced Obesity in C57BL/6 Mice by Mitigating Fat Deposition, Inflammation, and Oxidation. J Agric Food Chem 2020; 68:4424-4436. [PMID: 32227855 DOI: 10.1021/acs.jafc.0c01617] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [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: 06/10/2023]
Abstract
This study aimed to determine the anti-obesity effects and mechanisms of Cerasus humilis polyphenol (CHP) in C57BL/6 obese mice and 3T3-L1 cells. High-performance liquid chromatography-electrospray ionization-tandem mass spectrometry was used for the qualitative and quantitative identification of CHP components. The obese mice, induced by feeding high-fat diet (HFD), were treated with CHP (250 mg/kg/day) by gavage for 12 weeks. Orlistat was gavaged at 15.6 mg/kg bw/day, as a positive control group. The analysis revealed that the main components of CHP were procyanidin B2, cyanidin-3-glucoside, and pelargonidin-3-glucoside. CHP dietary supplementation significantly reduced body weight and improved blood lipid measurements in HFD-fed mice (p < 0.01). Moreover, it inhibited mRNA expression of miR-122, Srebp-1c, and Cpt1a (p < 0.01) and reduced hepatic lipid deposition, as seen by hematoxylin and eosin staining. CHP downregulated the protein expression of PPARγ and C/EBPα in HFD-induced obese mice and inhibited adipocyte differentiation (p < 0.01). Compared with the HFD group, CHP supplementation had an obvious anti-inflammatory effect (decreased protein expression, such as TNF-α, IL-6, and MCP1), reducing leptin levels and TNF-α secretion in serum and cells (p < 0.01). CHP significantly inhibited the expression of miR-27a/b (53.3 and 29.9%, p < 0.01) in mice retroperitoneal white adipocytes, enhancing the expression of the target gene Prdm16 and significantly upregulating Sirt1 (105.5%, p < 0.01) compared with the HFD group. Moreover, CHP supplementation effectively improved oxidative stress (ROS, T-AOC, SOD, CAT, and GSH-Px) induced by HFD in obese mice (p < 0.01). Thus, CHP mitigates adipocyte differentiation, browning of white adipocytes, and reduction of inflammation and antioxidant activity to reduce obesity. Consequently, these results provide novel insights into the anti-obesity roles of CHP in HFD-induced obesity.
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Affiliation(s)
- Suwen Liu
- College of Food Science & Technology, Hebei Normal University of Science and Technology, Qinhuangdao, Hebei 066004, China
| | - Xuedong Chang
- College of Food Science & Technology, Hebei Normal University of Science and Technology, Qinhuangdao, Hebei 066004, China
- Hebei Yanshan Special Industrial Technology Research Institute, Qinhuangdao, Hebei 066004, China
| | - Jincheng Yu
- College of Food Science & Technology, Hebei Normal University of Science and Technology, Qinhuangdao, Hebei 066004, China
| | - Weifeng Xu
- College of Food Science & Technology, Hebei Normal University of Science and Technology, Qinhuangdao, Hebei 066004, China
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23
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Zhao D, Yuan B, Kshatriya D, Polyak A, Simon JE, Bello NT, Wu Q. Influence of Diet-Induced Obesity on the Bioavailability and Metabolism of Raspberry Ketone (4-(4-Hydroxyphenyl)-2-Butanone) in Mice. Mol Nutr Food Res 2020; 64:e1900907. [PMID: 32052560 PMCID: PMC7329366 DOI: 10.1002/mnfr.201900907] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [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: 08/25/2019] [Revised: 01/20/2020] [Indexed: 12/13/2022]
Abstract
OBJECTIVES Raspberry ketone (RK) is the primary aroma compound in red raspberries and a dietary supplement for weight loss. This work aims to 1) compare RK bioavailability in male versus female, normal-weight versus obese mice; 2) characterize RK metabolic pathways. METHODS Study 1: C57BL/6J male and female mice fed a low-fat diet (LFD; 10% fat) receive a single oral gavage dose of RK (200 mg kg-1 ). Blood, brain, and white adipose tissue (WAT) are collected over 12 h. Study 2: Male mice are fed a LFD or high-fat diet (45% fat) for 8 weeks before RK dosing. Samples collected are analyzed by UPLC-MS/MS for RK and its metabolites. RESULTS RK is rapidly absorbed (Tmax ≈ 15 min), and bioconverted into diverse metabolites in mice. Total bioavailability (AUC0-12 h ) is slightly lower in females than males (566 vs 675 nmol mL-1 min-1 ). Total bioavailability in obese mice is almost doubled that of control mice (1197 vs 679 nmol mL-1 min-1 ), while peaking times and elimination half-lives are delayed. Higher levels of RK and major metabolites are found in WAT of the obese than normal-weight animals. CONCLUSIONS RK is highly bioavailable, rapidly metabolized, and exhibits significantly different pharmacokinetic behaviors between obese and control mice. Lipid-rich tissues, especially WAT, can be a direct target of RK.
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Affiliation(s)
- Danyue Zhao
- New Use Agriculture and Natural Plant Products Program, Department of Plant Biology, School of Environmental and Biological Sciences , Rutgers University, New Brunswick, NJ, 08901, USA
- New Jersey Institute for Food, Nutrition and Health, Rutgers, The State University of New Jersey, New Brunswick, NJ, 08901, USA
| | - Bo Yuan
- New Use Agriculture and Natural Plant Products Program, Department of Plant Biology, School of Environmental and Biological Sciences , Rutgers University, New Brunswick, NJ, 08901, USA
- Department of Food Science, Rutgers University, 65 Dudley Road, New Brunswick, NJ, 08901, USA
| | - Dushyant Kshatriya
- Department of Animal Sciences, School of Environmental and Biological Sciences, Rutgers, The State University of New Jersey, New Brunswick, NJ, 08901, USA
- Nutritional Sciences Graduate Program, School of Environmental and Biological Sciences, Rutgers, The State University of New Jersey, New Brunswick, NJ, 08901, USA
| | - Andrew Polyak
- New Use Agriculture and Natural Plant Products Program, Department of Plant Biology, School of Environmental and Biological Sciences , Rutgers University, New Brunswick, NJ, 08901, USA
| | - James E Simon
- New Use Agriculture and Natural Plant Products Program, Department of Plant Biology, School of Environmental and Biological Sciences , Rutgers University, New Brunswick, NJ, 08901, USA
- New Jersey Institute for Food, Nutrition and Health, Rutgers, The State University of New Jersey, New Brunswick, NJ, 08901, USA
| | - Nicholas T Bello
- Department of Animal Sciences, School of Environmental and Biological Sciences, Rutgers, The State University of New Jersey, New Brunswick, NJ, 08901, USA
- New Jersey Institute for Food, Nutrition and Health, Rutgers, The State University of New Jersey, New Brunswick, NJ, 08901, USA
- Nutritional Sciences Graduate Program, School of Environmental and Biological Sciences, Rutgers, The State University of New Jersey, New Brunswick, NJ, 08901, USA
| | - Qingli Wu
- New Use Agriculture and Natural Plant Products Program, Department of Plant Biology, School of Environmental and Biological Sciences , Rutgers University, New Brunswick, NJ, 08901, USA
- New Jersey Institute for Food, Nutrition and Health, Rutgers, The State University of New Jersey, New Brunswick, NJ, 08901, USA
- Department of Food Science, Rutgers University, 65 Dudley Road, New Brunswick, NJ, 08901, USA
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Wei C, Wang X, Yao X, Xi F, He Y, Xu Y, Ma L, Chen X, Zhao C, Du R, Pang W, Yang G, Yu TY. Bifenthrin Induces Fat Deposition by Improving Fatty Acid Uptake and Inhibiting Lipolysis in Mice. J Agric Food Chem 2019; 67:14048-14055. [PMID: 31791125 DOI: 10.1021/acs.jafc.9b06727] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [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: 06/10/2023]
Abstract
Chemical residues in the environment are considered to be important factors that cause obesity. Bifenthrin is one of the pyrethroid pesticides and is widely used worldwide. However, its effect on adipose tissue is ill-defined. Here, we administered bifenthrin/corn oil to adult C57BL/6 mice by gavage. After 6 weeks, the bifenthrin treatment significantly increased their body weight (P = 0.015) and fat mass (P < 0.001). Then we identified 246 differently expressed proteins by proteomic analysis, and they were highly involved in fatty acid uptake and lipid metabolism processes. Interestingly, protein hormone-sensitive lipase and adipose triacylglyceride lipase were downregulated while lipoprotein lipase is upregulated after bifenthrin treatment. Similar effects in 3T3-L1 cells treated with bifenthrin validated the in vivo results. Thus, this study suggests that long-term exposure to low-dose bifenthrin induces fat deposition in mice by improving fatty acid uptake and inhibiting lipolysis, and it may cause obesity in humans.
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Affiliation(s)
- Changsheng Wei
- Key Laboratory of Animal Genetics, Breeding and Reproduction of Shaanxi Province, Laboratory of Animal Fat Deposition & Muscle Development, College of Animal Science and Technology , Northwest A&F University , Yangling , Shaanxi 712100 , China
| | - Xiaoting Wang
- Key Laboratory of Animal Genetics, Breeding and Reproduction of Shaanxi Province, Laboratory of Animal Fat Deposition & Muscle Development, College of Animal Science and Technology , Northwest A&F University , Yangling , Shaanxi 712100 , China
| | - Xiangping Yao
- Key Laboratory of Animal Genetics, Breeding and Reproduction of Shaanxi Province, Laboratory of Animal Fat Deposition & Muscle Development, College of Animal Science and Technology , Northwest A&F University , Yangling , Shaanxi 712100 , China
| | - Fengxue Xi
- Key Laboratory of Animal Genetics, Breeding and Reproduction of Shaanxi Province, Laboratory of Animal Fat Deposition & Muscle Development, College of Animal Science and Technology , Northwest A&F University , Yangling , Shaanxi 712100 , China
| | - Yulin He
- Key Laboratory of Animal Genetics, Breeding and Reproduction of Shaanxi Province, Laboratory of Animal Fat Deposition & Muscle Development, College of Animal Science and Technology , Northwest A&F University , Yangling , Shaanxi 712100 , China
| | - Yanting Xu
- Key Laboratory of Animal Genetics, Breeding and Reproduction of Shaanxi Province, Laboratory of Animal Fat Deposition & Muscle Development, College of Animal Science and Technology , Northwest A&F University , Yangling , Shaanxi 712100 , China
| | - Lu Ma
- Key Laboratory of Animal Genetics, Breeding and Reproduction of Shaanxi Province, Laboratory of Animal Fat Deposition & Muscle Development, College of Animal Science and Technology , Northwest A&F University , Yangling , Shaanxi 712100 , China
| | - Xiaochang Chen
- Key Laboratory of Animal Genetics, Breeding and Reproduction of Shaanxi Province, Laboratory of Animal Fat Deposition & Muscle Development, College of Animal Science and Technology , Northwest A&F University , Yangling , Shaanxi 712100 , China
| | - Chen Zhao
- Key Laboratory of Animal Genetics, Breeding and Reproduction of Shaanxi Province, Laboratory of Animal Fat Deposition & Muscle Development, College of Animal Science and Technology , Northwest A&F University , Yangling , Shaanxi 712100 , China
| | - Renrang Du
- Key Laboratory of Animal Genetics, Breeding and Reproduction of Shaanxi Province, Laboratory of Animal Fat Deposition & Muscle Development, College of Animal Science and Technology , Northwest A&F University , Yangling , Shaanxi 712100 , China
| | - Weijun Pang
- Key Laboratory of Animal Genetics, Breeding and Reproduction of Shaanxi Province, Laboratory of Animal Fat Deposition & Muscle Development, College of Animal Science and Technology , Northwest A&F University , Yangling , Shaanxi 712100 , China
| | - Gongshe Yang
- Key Laboratory of Animal Genetics, Breeding and Reproduction of Shaanxi Province, Laboratory of Animal Fat Deposition & Muscle Development, College of Animal Science and Technology , Northwest A&F University , Yangling , Shaanxi 712100 , China
| | - Tai-Yong Yu
- Key Laboratory of Animal Genetics, Breeding and Reproduction of Shaanxi Province, Laboratory of Animal Fat Deposition & Muscle Development, College of Animal Science and Technology , Northwest A&F University , Yangling , Shaanxi 712100 , China
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25
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Higuera-hernández MF, Reyes-cuapio E, Gutiérrez-mendoza M, Budde H, Blanco-centurión C, Veras AB, Rocha NB, Yamamoto T, Monteiro D, Zaldívar-rae J, Aldana-aranda D, Machado S, Murillo-rodríguez E. Blueberry intake included in hypocaloric diet decreases weight, glucose, cholesterol, triglycerides and adenosine levels in obese subjects. J Funct Foods 2019; 60:103409. [DOI: 10.1016/j.jff.2019.06.011] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022] Open
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26
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Tsai Y, Leu S, Chen S, Kung C, Lee Y, Liu Y, Yen M, Cheng P. 17-DMAG, an Hsp90 inhibitor, ameliorates ovariectomy-induced obesity in rats. Life Sci 2019; 232:116672. [DOI: 10.1016/j.lfs.2019.116672] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2019] [Revised: 07/11/2019] [Accepted: 07/19/2019] [Indexed: 02/06/2023]
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27
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Kshatriya D, Li X, Giunta GM, Yuan B, Zhao D, Simon JE, Wu Q, Bello NT. Phenolic-enriched raspberry fruit extract (Rubus idaeus) resulted in lower weight gain, increased ambulatory activity, and elevated hepatic lipoprotein lipase and heme oxygenase-1 expression in male mice fed a high-fat diet. Nutr Res 2019; 68:19-33. [PMID: 31252376 DOI: 10.1016/j.nutres.2019.05.005] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [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: 02/14/2019] [Revised: 05/06/2019] [Accepted: 05/17/2019] [Indexed: 12/15/2022]
Abstract
Red raspberries (Rubus idaeus) contain numerous phenolic compounds with purported health benefits. Raspberry ketone (4-(4-hydroxyphenyl)-2-butanone) is a primary raspberry flavor phenolic found in raspberries and is designated as a synthetic flavoring agent by the Food and Drug Administration. Synthetic raspberry ketone has been demonstrated to result in weight loss in rodents. We tested whether phenolic-enriched raspberry extracts, compared with raspberry ketone, would be more resilient to the metabolic alterations caused by an obesogenic diet. Male C57BL/6J mice (8 weeks old) received a daily oral dose of vehicle (VEH; 50% propylene glycol, 40% water, and 10% dimethyl sulfoxide), raspberry extract low (REL; 0.2 g/kg), raspberry extract high (REH; 2 g/kg), or raspberry ketone (RK; 0.2 g/kg). Coincident with daily dosing, mice were placed on a high-fat diet (45% fat). After 4 weeks, REH and RK reduced body weight gain (approximately 5%-9%) and white adipose mass (approximately 20%) compared with VEH. Hepatic gene expression of heme oxygenase-1 and lipoprotein lipase was upregulated in REH compared with VEH. Indirect calorimetry indicated that respiratory exchange ratio (CO2 production to O2 consumption) was lower, suggesting increased fat oxidation with all treatments. REH treatment increased total ambulatory behavior. Energy expenditure/lean mass was higher in REH compared with REL treatment. There were no treatment differences in cumulative intake, meal patterns, or hypothalamic feed-related gene expression. Our results suggest that raspberry ketone and a phenolic-enriched raspberry extract both have the capacity to prevent weight gain but differ in the preventative mechanisms for excess fat accumulation following high-fat diet exposure.
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Affiliation(s)
- Dushyant Kshatriya
- Department of Animal Sciences, School of Environmental and Biological Sciences, Rutgers, The State University of New Jersey, New Brunswick, NJ, 08901, USA; Nutritional Sciences Graduate Program, School of Environmental and Biological Sciences, Rutgers, The State University of New Jersey New Brunswick, NJ, 08901, USA
| | - Xinyi Li
- Department of Animal Sciences, School of Environmental and Biological Sciences, Rutgers, The State University of New Jersey, New Brunswick, NJ, 08901, USA; Nutritional Sciences Graduate Program, School of Environmental and Biological Sciences, Rutgers, The State University of New Jersey New Brunswick, NJ, 08901, USA
| | - Gina M Giunta
- Department of Animal Sciences, School of Environmental and Biological Sciences, Rutgers, The State University of New Jersey, New Brunswick, NJ, 08901, USA
| | - Bo Yuan
- New Use Agriculture and Natural Plant Products Program, Department of Plant Biology, School of Environmental and Biological Sciences, Rutgers, The State University of New Jersey, New Brunswick, NJ, 08901, USA
| | - Danyue Zhao
- New Use Agriculture and Natural Plant Products Program, Department of Plant Biology, School of Environmental and Biological Sciences, Rutgers, The State University of New Jersey, New Brunswick, NJ, 08901, USA
| | - James E Simon
- New Use Agriculture and Natural Plant Products Program, Department of Plant Biology, School of Environmental and Biological Sciences, Rutgers, The State University of New Jersey, New Brunswick, NJ, 08901, USA
| | - Qingli Wu
- New Use Agriculture and Natural Plant Products Program, Department of Plant Biology, School of Environmental and Biological Sciences, Rutgers, The State University of New Jersey, New Brunswick, NJ, 08901, USA
| | - Nicholas T Bello
- Department of Animal Sciences, School of Environmental and Biological Sciences, Rutgers, The State University of New Jersey, New Brunswick, NJ, 08901, USA; Nutritional Sciences Graduate Program, School of Environmental and Biological Sciences, Rutgers, The State University of New Jersey New Brunswick, NJ, 08901, USA.
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28
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Barrea L, Altieri B, Polese B, De Conno B, Muscogiuri G, Colao A, Savastano S; Obesity Programs of Nutrition, Education, Research and Assessment (OPERA) Group. Nutritionist and obesity: brief overview on efficacy, safety, and drug interactions of the main weight-loss dietary supplements. Int J Obes Suppl 2019; 9:32-49. [PMID: 31391923 DOI: 10.1038/s41367-019-0007-3] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
Over the past 20 years the use of dietary supplements as adjuvant therapy for weight loss gained growing favor among consumers and dietician-nutritionists, with the subsequent astounding increase in health costs. Despite the reassuring label of natural remedy for losing weight, dietary supplements contain a wide variety of ingredients on which available information is rather scanty and scientifically incomplete. Currently, there is little evidence that weight-loss supplements offer effective aids to reduce weight and meet criteria for recommended use. Robust, randomized, placebo-controlled studies to provide clear-cut scientific evidence of their efficacy and potential side effects in clinical practice are still lacking. Understanding the evidence for the efficacy, safety, and quality of these supplements among nutritionists and physicians is critical to counsel patients appropriately, especially considering the risk of serious adverse effects and interference with concomitant therapies. Detailed information on the efficacy and safety of the most commonly used weight-loss dietary supplements has been recently published by the National Institutes of Health (NIH). However, in this report the thorny issue that may result from drug interactions with weight-loss dietary supplements has been not sufficiently addressed. The aim of this review was to provide a synthetic, evidence-based report on efficacy and safety of the most commonly used ingredients in dietary supplements marketed for weight loss, particularly focusing on their possible drug interactions.
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29
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Ro SH, Jang Y, Bae J, Kim IM, Schaecher C, Shomo ZD. Autophagy in Adipocyte Browning: Emerging Drug Target for Intervention in Obesity. Front Physiol 2019; 10:22. [PMID: 30745879 PMCID: PMC6360992 DOI: 10.3389/fphys.2019.00022] [Citation(s) in RCA: 33] [Impact Index Per Article: 6.6] [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: 10/06/2018] [Accepted: 01/10/2019] [Indexed: 12/27/2022] Open
Abstract
Autophagy, lipophagy, and mitophagy are considered to be the major recycling processes for protein aggregates, excess fat, and damaged mitochondria in adipose tissues in response to nutrient status-associated stress, oxidative stress, and genotoxic stress in the human body. Obesity with increased body weight is often associated with white adipose tissue (WAT) hypertrophy and hyperplasia and/or beige/brown adipose tissue atrophy and aplasia, which significantly contribute to the imbalance in lipid metabolism, adipocytokine secretion, free fatty acid release, and mitochondria function. In recent studies, hyperactive autophagy in WAT was observed in obese and diabetic patients, and inhibition of adipose autophagy through targeted deletion of autophagy genes in mice improved anti-obesity phenotypes. In addition, active mitochondria clearance through activation of autophagy was required for beige/brown fat whitening – that is, conversion to white fat. However, inhibition of autophagy seemed detrimental in hypermetabolic conditions such as hepatic steatosis, atherosclerosis, thermal injury, sepsis, and cachexia through an increase in free fatty acid and glycerol release from WAT. The emerging concept of white fat browning–conversion to beige/brown fat–has been controversial in its anti-obesity effect through facilitation of weight loss and improving metabolic health. Thus, proper regulation of autophagy activity fit to an individual metabolic profile is necessary to ensure balance in adipose tissue metabolism and function, and to further prevent metabolic disorders such as obesity and diabetes. In this review, we summarize the effect of autophagy in adipose tissue browning in the context of obesity prevention and its potential as a promising target for the development of anti-obesity drugs.
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Affiliation(s)
- Seung-Hyun Ro
- Department of Biochemistry, University of Nebraska-Lincoln, Lincoln, NE, United States
| | - Yura Jang
- Department of Biochemistry, University of Nebraska-Lincoln, Lincoln, NE, United States.,Department of Neurology, Johns Hopkins University School of Medicine, Baltimore, MD, United States
| | - Jiyoung Bae
- Department of Biochemistry, University of Nebraska-Lincoln, Lincoln, NE, United States.,Department of Cell and Regenerative Biology, University of Wisconsin School of Medicine and Public Health, Madison, WI, United States
| | - Isaac M Kim
- Department of Biochemistry, University of Nebraska-Lincoln, Lincoln, NE, United States
| | - Cameron Schaecher
- Department of Biochemistry, University of Nebraska-Lincoln, Lincoln, NE, United States.,College of Medicine, University of Nebraska Medical Center, Omaha, NE, United States
| | - Zachery D Shomo
- Department of Biochemistry, University of Nebraska-Lincoln, Lincoln, NE, United States
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30
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Kang MC, Ding Y, Kim J, Kim EA, Fernando IPS, Heo SJ, Lee SH. 3-Chloro-4,5-dihydroxybenzaldehyde inhibits adipogenesis in 3T3-L1 adipocytes by regulating expression of adipogenic transcription factors and AMPK activation. Chem Biol Interact 2018; 287:27-31. [PMID: 29630878 DOI: 10.1016/j.cbi.2018.04.001] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [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: 12/28/2017] [Revised: 03/26/2018] [Accepted: 04/05/2018] [Indexed: 02/06/2023]
Abstract
Obesity is a serious health issue in many industrialized countries. It is a medical condition with excessive levels of fat accumulated in adipocytes. The objective of the present study was to determine the inhibitory effect of 3-chloro-4,5-dihydroxybenzaldehyde (CDB) on adipogenesis in 3T3-L1 adipocyte cells. CDB suppressed the differentiation and decreased lipid accumulation and triglycerides contents in 3T3-L1 adipocytes. Its suppression effect on fat accumulation was mediated via expression of adipogenesis factors (C/EBPα, SREBP-1c, PPARγ, and adiponectin) during adipocyte differentiation in white adipocyte cells. CDB's ability to suppress fat accumulation was increased in a concentration-dependent manner. It inhibited fatty acid synthesis related proteins including FAS, FABP4, leptin, and perilipin. It also increased expression of phosphorylated AMPK in adipocytes cells. These observations suggest that CDB has potential anti-obesity effect with ability to improve metabolic diseases.
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Affiliation(s)
- Min-Cheol Kang
- Department of Marine Life Sciences, Jeju National University, Jeju, 63243, Republic of Korea; Division of Endocrinology, Diabetes and Metabolism, Beth Israel Deaconess Medical Center and Harvard Medical School, Boston, MA, USA
| | - Yuling Ding
- Department of Pharmaceutical Engineering, Soonchunhyang University, Asan, 31538, Republic of Korea
| | - Junseong Kim
- Jeju International Marine Science Center for Research & Education, Korea Institute of Ocean Science &Technology (KIOST), Jeju, 63349, Republic of Korea
| | - Eun-A Kim
- Jeju International Marine Science Center for Research & Education, Korea Institute of Ocean Science &Technology (KIOST), Jeju, 63349, Republic of Korea
| | - I P Shanura Fernando
- Department of Marine Life Sciences, Jeju National University, Jeju, 63243, Republic of Korea
| | - Soo-Jin Heo
- Jeju International Marine Science Center for Research & Education, Korea Institute of Ocean Science &Technology (KIOST), Jeju, 63349, Republic of Korea.
| | - Seung-Hong Lee
- Department of Pharmaceutical Engineering, Soonchunhyang University, Asan, 31538, Republic of Korea.
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31
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Leu SY, Tsai YC, Chen WC, Hsu CH, Lee YM, Cheng PY. Raspberry ketone induces brown-like adipocyte formation through suppression of autophagy in adipocytes and adipose tissue. J Nutr Biochem 2018. [PMID: 29525531 DOI: 10.1016/j.jnutbio.2018.01.017] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [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: 01/04/2023]
Abstract
Promoting white adipose tissue (WAT) to acquire brown-like characteristics is a promising approach for obesity treatment. Although raspberry ketone (RK) has been reported to possess antiobesity activity, its effects on the formation of brown-like adipocytes remain unclear. Therefore, we investigated the effects and underlying mechanism of RK on WAT browning in 3T3-L1 adipocytes and rats with ovariectomy (Ovx)-induced obesity. RK (100 μM) significantly induced browning of 3T3-L1 cells by increasing mitochondrial biogenesis and the expression of browning-specific proteins (PR domain containing 16, PRDM16; peroxisome proliferator-activated receptor gamma coactivator 1-alpha, PGC-1α; uncoupling protein-1, UCP-1) and lipolytic enzymes (hormone-sensitive lipase and adipose triglyceride lipase). RK significantly reduced the expression of the autophagy-related protein Atg12 and increased the expression of p62 and heme oxygenase 1 (HO-1). Additionally, these effects of RK were reversed by the HO-1 inhibitor SnPP (20 μM). In addition, RK (160 mg/kg, gavage, for 8 weeks) significantly reduced body weight gain (Ovx+RK, 191.8 ± 4.6 g vs. Ovx, 223.6 ± 5.9; P < .05), food intake, the amount of inguinal adipose tissue (Ovx+RK, 9.05 ± 1.1 g vs Ovx, 12.9 ± 0.92 g; P < .05) and the size of white adipocytes in Ovx rats. Moreover, compared to expression in the Ovx group, the levels of browning-specific proteins were significantly higher and the levels of autophagy-related proteins were significantly lower in the Ovx+RK group. Therefore, this study elucidated the mechanism associated with RK-induced WAT browning and thus provides evidence to support the clinical use of RK for obesity treatment.
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Affiliation(s)
- Sy-Ying Leu
- Graduate Institute of Life Sciences, National Defense Medical Center, Taipei, Taiwan
| | - Yung-Chieh Tsai
- Department of Obstetrics and Gynecology, Chi-Mei Medical Center, Tainan; Department of Medicine, Taipei Medical University, Taipei; Department of Sport Management, Chia Nan University of Pharmacy and Science, Tainan, Taiwan
| | - Wen-Chi Chen
- Department of Physiology and Biophysics, Graduate Institute of Physiology, National Defense Medical Center, Taipei, Taiwan
| | - Chih-Hsiung Hsu
- Department of Internal Medicine, Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan
| | - Yen-Mei Lee
- Department of Pharmacology, National Defense Medical Center, Taipei, Taiwan
| | - Pao-Yun Cheng
- Department of Physiology and Biophysics, Graduate Institute of Physiology, National Defense Medical Center, Taipei, Taiwan.
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