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Riedinger CJ, Sakach J, Maples JM, Fulton J, Chippior J, O'Donnell B, O'Malley DM, Chambers LM. Glucagon-like peptide-1 (GLP-1) receptor agonists for weight management: A review for the gynecologic oncologist. Gynecol Oncol 2024; 190:1-10. [PMID: 39116625 DOI: 10.1016/j.ygyno.2024.07.008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2024] [Revised: 07/04/2024] [Accepted: 07/15/2024] [Indexed: 08/10/2024]
Abstract
The use of glucagon-like peptide-1 receptor agonists (GLP-1RA) has experienced rapid growth amidst the obesity epidemic in the United States. While originally developed for glucose control in Type 2 Diabetes Mellitus, the scope of these agents now extends to encompass weight loss and cardiovascular risk reduction. GLP-1RAs have the potential to induce significant weight loss, in combination with lifestyle modifications, among adults who are overweight or obese. Furthermore, these agents demonstrate efficacy in ameliorating hyperglycemia, enhancing insulin sensitivity, regulating blood pressure, improving cardiometabolic parameters, mitigating kidney dysfunction, and potentially reducing the risk of several obesity-related cancers. Drug-related toxicity is primarily gastrointestinal and active management can prevent drug discontinuation. Obesity is associated both with an increased incidence of malignancy but also with decreased survival. More research is needed to evaluate the potential use of GLP-1RA to modify the endocrine function of adipocytes, regulate the chronic inflammatory state associated with obesity, and prospective applications in oncology. These agents can impact patients with gynecologic malignancies both through their direct mechanism of action as well as potential drug toxicity.
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Affiliation(s)
- Courtney J Riedinger
- Department of Obstetrics and Gynecology, Division of Gynecologic Oncology, The Ohio State University Comprehensive Cancer Center/James Cancer Hospital, Columbus, OH, USA
| | - Julia Sakach
- Department of Obstetrics and Gynecology, The Ohio State University College of Medicine, Columbus, OH, USA
| | - Jill M Maples
- Department of Obstetrics and Gynecology, The University of Tennessee Graduate School of Medicine, Knoxville, TN, USA
| | - Jessica Fulton
- Department of Obstetrics and Gynecology, Division of Gynecologic Oncology, The Ohio State University Comprehensive Cancer Center/James Cancer Hospital, Columbus, OH, USA
| | - Jessica Chippior
- Department of Internal Medicine, Division of Endocrinology Diabetes and Metabolism, The Ohio State University College of Medicine, Columbus, OH, USA
| | - Benjamin O'Donnell
- Department of Internal Medicine, Division of Endocrinology Diabetes and Metabolism, The Ohio State University College of Medicine, Columbus, OH, USA
| | - David M O'Malley
- Department of Obstetrics and Gynecology, Division of Gynecologic Oncology, The Ohio State University Comprehensive Cancer Center/James Cancer Hospital, Columbus, OH, USA
| | - Laura M Chambers
- Department of Obstetrics and Gynecology, Division of Gynecologic Oncology, The Ohio State University Comprehensive Cancer Center/James Cancer Hospital, Columbus, OH, USA.
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Wang S, Han J, Xiao M, Shi P, Chen H. Changes in functional connectivity and structural covariance between the fronto-parietal network and medial orbitofrontal cortex are associated with disinhibition in restrained eaters. Cereb Cortex 2024; 34:bhae314. [PMID: 39073380 DOI: 10.1093/cercor/bhae314] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2024] [Revised: 06/30/2024] [Accepted: 07/12/2024] [Indexed: 07/30/2024] Open
Abstract
Disinhibition, characterized by a loss of dietary control, is a significant risk factor for diet failure and the onset of eating disorders in restrained eaters. This study employs resting-state functional connectivity and structural covariance network analyses to explore the neural associations underlying this behavior. By analyzing functional MRI data from 63 female college students, we found that increased disinhibition correlates with enhanced functional connectivity between the medial orbitofrontal cortex and key components of the inhibition system, particularly within the fronto-parietal network. Moreover, we observed a relationship between the structural covariance of the medial orbitofrontal cortex and the inferior parietal lobule and the severity of disinhibition. Importantly, the functional connectivity between the medial orbitofrontal cortex and the inferior parietal lobule predicts the severity of binge eating symptoms in these individuals. These findings indicate that imbalances in the interaction between the brain's reward and inhibition systems can lead to dietary failures and eating disorders, emphasizing the need for targeted interventions.
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Affiliation(s)
- Shaorui Wang
- Key Laboratory of Cognition and Personality (Ministry of Education), Southwest University, No. 2 Tiansheng Road, Beibei District, Chongqing, 400715, China
- School of Psychology, Southwest University, No. 2 Tiansheng Road, Beibei District, Chongqing, 400715, China
| | - Jinfeng Han
- Key Laboratory of Cognition and Personality (Ministry of Education), Southwest University, No. 2 Tiansheng Road, Beibei District, Chongqing, 400715, China
- School of Psychology, Southwest University, No. 2 Tiansheng Road, Beibei District, Chongqing, 400715, China
| | - Mingyue Xiao
- Key Laboratory of Cognition and Personality (Ministry of Education), Southwest University, No. 2 Tiansheng Road, Beibei District, Chongqing, 400715, China
- School of Psychology, Southwest University, No. 2 Tiansheng Road, Beibei District, Chongqing, 400715, China
| | - Pan Shi
- Key Laboratory of Cognition and Personality (Ministry of Education), Southwest University, No. 2 Tiansheng Road, Beibei District, Chongqing, 400715, China
- School of Psychology, Southwest University, No. 2 Tiansheng Road, Beibei District, Chongqing, 400715, China
| | - Hong Chen
- Key Laboratory of Cognition and Personality (Ministry of Education), Southwest University, No. 2 Tiansheng Road, Beibei District, Chongqing, 400715, China
- School of Psychology, Southwest University, No. 2 Tiansheng Road, Beibei District, Chongqing, 400715, China
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3
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Berbegal-Sáez P, Gallego-Landin I, Macía J, Alegre-Zurano L, Castro-Zavala A, Welz PS, Benitah SA, Valverde O. Lack of Bmal1 leads to changes in rhythmicity and impairs motivation towards natural stimuli. Open Biol 2024; 14:240051. [PMID: 39045857 PMCID: PMC11267724 DOI: 10.1098/rsob.240051] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2024] [Revised: 05/17/2024] [Accepted: 05/21/2024] [Indexed: 07/25/2024] Open
Abstract
Maintaining proper circadian rhythms is essential for coordinating biological functions in mammals. This study investigates the effects of daily arrhythmicity using Bmal1-knockout (KO) mice as a model, aiming to understand behavioural and motivational implications. By employing a new mathematical analysis based on entropy divergence, we identified disrupted intricate activity patterns in mice derived by the complete absence of BMAL1 and quantified the difference regarding the activity oscillation's complexity. Changes in locomotor activity coincided with disturbances in circadian gene expression patterns. Additionally, we found a dysregulated gene expression profile particularly in brain nuclei like the ventral striatum, impacting genes related to reward and motivation. Further investigation revealed that arrhythmic mice exhibited heightened motivation for food and water rewards, indicating a link between circadian disruptions and the reward system. This research sheds light on how circadian clock alterations impact the gene expression regulating the reward system and how this, in turn, can lead to altered seeking behaviour and motivation for natural rewards. In summary, the present study contributes to our understanding of how reward processing is under the regulation of circadian clock machinery.
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Affiliation(s)
- Paula Berbegal-Sáez
- Department of Medicine and Life Sciences (MELIS), Neurobiology of Behaviour Research Group (GReNeC-NeuroBio), Universitat Pompeu Fabra, Barcelona, Spain
| | - Ines Gallego-Landin
- Department of Medicine and Life Sciences (MELIS), Neurobiology of Behaviour Research Group (GReNeC-NeuroBio), Universitat Pompeu Fabra, Barcelona, Spain
| | - Javier Macía
- Department of Medicine and Life Sciences (MELIS), Synthetic Biology for Biomedical Applications, Universitat Pompeu Fabra, Barcelona, Spain
| | - Laia Alegre-Zurano
- Department of Medicine and Life Sciences (MELIS), Neurobiology of Behaviour Research Group (GReNeC-NeuroBio), Universitat Pompeu Fabra, Barcelona, Spain
| | - Adriana Castro-Zavala
- Department of Medicine and Life Sciences (MELIS), Neurobiology of Behaviour Research Group (GReNeC-NeuroBio), Universitat Pompeu Fabra, Barcelona, Spain
| | - Patrick-Simon Welz
- Program in Cancer Research, Hospital del Mar Research Institute (IMIM), Barcelona, Spain
| | - Salvador A. Benitah
- Institute for Research in Biomedicine (IRB Barcelona), Barcelona Institute of Science and Technology, Barcelon08028, Spain
- Catalan Institution for Research and Advanced Studies (ICREA), Barcelona, Spain
| | - Olga Valverde
- Department of Medicine and Life Sciences (MELIS), Neurobiology of Behaviour Research Group (GReNeC-NeuroBio), Universitat Pompeu Fabra, Barcelona, Spain
- Neuroscience Research Program, Hospital del Mar Research Institute (IMIM), Barcelona, Spain
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Zhang Y, Munshi S, Burrows K, Kuplicki R, Figueroa-Hall LK, Aupperle RL, Khalsa SS, Teague TK, Taki Y, Paulus MP, Savitz J, Zheng H. Leptin's Inverse Association With Brain Morphology and Depressive Symptoms: A Discovery and Confirmatory Study Across 2 Independent Samples. BIOLOGICAL PSYCHIATRY. COGNITIVE NEUROSCIENCE AND NEUROIMAGING 2024; 9:714-725. [PMID: 38631553 DOI: 10.1016/j.bpsc.2024.04.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/12/2023] [Revised: 04/04/2024] [Accepted: 04/05/2024] [Indexed: 04/19/2024]
Abstract
BACKGROUND Major depressive disorder has a complex, bidirectional relationship with metabolic dysfunction, but the neural correlates of this association are not well understood. METHODS In this cross-sectional investigation, we used a 2-step discovery and confirmatory strategy utilizing 2 independent samples (sample 1: 288 participants, sample 2: 196 participants) to examine the association between circulating indicators of metabolic health (leptin and adiponectin) and brain structures in individuals with major depressive disorder. RESULTS We found a replicable inverse correlation between leptin levels and cortical surface area within essential brain areas responsible for emotion regulation, such as the left posterior cingulate cortex, right pars orbitalis, right superior temporal gyrus, and right insula (standardized beta coefficient range: -0.27 to -0.49, puncorrected < .05). Notably, this relationship was independent of C-reactive protein levels. We also identified a significant interaction effect of leptin levels and diagnosis on the cortical surface area of the right superior temporal gyrus (standardized beta coefficient = 0.26 in sample 1, standardized beta coefficient = 0.30 in sample 2, puncorrected < .05). We also observed a positive correlation between leptin levels and atypical depressive symptoms in both major depressive disorder groups (r = 0.14 in sample 1, r = 0.29 in sample 2, puncorrected < .05). CONCLUSIONS The inverse association between leptin and cortical surface area in brain regions that are important for emotion processing and leptin's association with atypical depressive symptoms support the hypothesis that metabolic processes may be related to emotion regulation. However, the molecular mechanisms through which leptin may exert these effects should be explored further.
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Affiliation(s)
- Ye Zhang
- Department of Aging Research and Geriatric Medicine, Institute of Development, Aging and Cancer, Tohoku University, Sendai, Japan.
| | | | | | | | - Leandra K Figueroa-Hall
- Laureate Institute for Brain Research, Tulsa, Oklahoma; Oxley College of Health Sciences, The University of Tulsa, Tulsa, Oklahoma
| | - Robin L Aupperle
- Laureate Institute for Brain Research, Tulsa, Oklahoma; Oxley College of Health Sciences, The University of Tulsa, Tulsa, Oklahoma
| | | | - T Kent Teague
- Department of Surgery, University of Oklahoma School of Community Medicine, Tulsa, Oklahoma; Department of Psychiatry, University of Oklahoma School of Community Medicine, Tulsa, Oklahoma; Department of Pharmaceutical Sciences, University of Oklahoma College of Pharmacy, Tulsa, Oklahoma
| | - Yasuyuki Taki
- Department of Aging Research and Geriatric Medicine, Institute of Development, Aging and Cancer, Tohoku University, Sendai, Japan; Department of Geriatric Medicine and Neuroimaging, Tohoku University Hospital, Sendai, Japan; Smart-Aging Research Center, Tohoku University, Sendai, Japan
| | - Martin P Paulus
- Laureate Institute for Brain Research, Tulsa, Oklahoma; Oxley College of Health Sciences, The University of Tulsa, Tulsa, Oklahoma
| | - Jonathan Savitz
- Laureate Institute for Brain Research, Tulsa, Oklahoma; Oxley College of Health Sciences, The University of Tulsa, Tulsa, Oklahoma
| | - Haixia Zheng
- Laureate Institute for Brain Research, Tulsa, Oklahoma; Oxley College of Health Sciences, The University of Tulsa, Tulsa, Oklahoma
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Malla A, Gupta S, Sur R. Glycolytic enzymes in non-glycolytic web: functional analysis of the key players. Cell Biochem Biophys 2024; 82:351-378. [PMID: 38196050 DOI: 10.1007/s12013-023-01213-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2023] [Accepted: 12/26/2023] [Indexed: 01/11/2024]
Abstract
To survive in the tumour microenvironment, cancer cells undergo rapid metabolic reprograming and adaptability. One of the key characteristics of cancer is increased glycolytic selectivity and decreased oxidative phosphorylation (OXPHOS). Apart from ATP synthesis, glycolysis is also responsible for NADH regeneration and macromolecular biosynthesis, such as amino acid biosynthesis and nucleotide biosynthesis. This allows cancer cells to survive and proliferate even in low-nutrient and oxygen conditions, making glycolytic enzymes a promising target for various anti-cancer agents. Oncogenic activation is also caused by the uncontrolled production and activity of glycolytic enzymes. Nevertheless, in addition to conventional glycolytic processes, some glycolytic enzymes are involved in non-canonical functions such as transcriptional regulation, autophagy, epigenetic changes, inflammation, various signaling cascades, redox regulation, oxidative stress, obesity and fatty acid metabolism, diabetes and neurodegenerative disorders, and hypoxia. The mechanisms underlying the non-canonical glycolytic enzyme activities are still not comprehensive. This review summarizes the current findings on the mechanisms fundamental to the non-glycolytic actions of glycolytic enzymes and their intermediates in maintaining the tumor microenvironment.
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Affiliation(s)
- Avirup Malla
- Department of Biophysics, Molecular Biology and Bioinformatics, University of Calcutta, Kolkata, India
| | - Suvroma Gupta
- Department of Aquaculture Management, Khejuri college, West Bengal, Baratala, India.
| | - Runa Sur
- Department of Biophysics, Molecular Biology and Bioinformatics, University of Calcutta, Kolkata, India.
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Zheng N, Zhuang M, Zhu Y, Wang Y, Ye M, Zhang Y, Zhan Y. Association between psychological resilience and body mass index in a community-based population: A cross-sectional study. Obes Sci Pract 2024; 10:e761. [PMID: 38736556 PMCID: PMC11088450 DOI: 10.1002/osp4.761] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2024] [Revised: 04/09/2024] [Accepted: 04/30/2024] [Indexed: 05/14/2024] Open
Abstract
Background and Objective While earlier studies have focused on the relationship between stress and obesity, there was a gap in understanding the potential impact of positive psychological factors, such as resilience, on obesity. By investigating the role of psychological resilience with obesity, this study aimed to address this gap and tackle obesity through a positive psychological framework. Methods Participants consisted of 2445 community residents from Shenzhen, China, with a mean age of 41.09 ± 13.72 years, comprising 846 males and 1599 females. Psychological resilience was measured using the Brief Resilience Scale; gender, age, marital status, education level, smoking status, alcohol consumption, frequency of physical exercise, and perceived stress were considered potential confounding factors. The relationship between psychological resilience and body mass index (BMI) was examined through multiple linear regression and logistic regression analyses. Results The participants had an average psychological resilience score of 3.46 (standard deviation [SD] = 0.62) and an average BMI of 22.59 (SD = 3.35), with 104 individuals (4.3%) identified with obesity. In the fully adjusted multiple linear regression model, a higher psychological resilience score was associated with a higher BMI (β = 0.507, 95% CI:0.283, 0.731). In the logistic regression model, higher psychological resilience scores were linked to increased obesity risk, with a more significant association observed among males (odds ratio [OR] = 2.169, 95% CI:1.155, 4.073), while psychological resilience acted as a protective factor against underweight among females (OR = 0.528, 95% CI:0.376, 0.816). Conclusion The study demonstrated a significant link between higher psychological resilience and elevated BMI, emphasizing the complex relationship between psychological fortitude and weight management. Interventions targeting socioeconomic status, education, lifestyle habits, and physiological well-being might offer a promising strategy for enhancing psychological resilience and promoting healthier weight. Emphasizing self-efficacy and coping skills at the individual level could contribute to balanced weight and comprehensive health outcomes, addressing the global challenge of obesity.
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Affiliation(s)
- Nan Zheng
- Futian Institute of Health EducationShenzhenChina
| | - Mansi Zhuang
- Futian Institute of Health EducationShenzhenChina
| | - Yanan Zhu
- Department of EpidemiologySchool of Public Health (Shenzhen)Sun Yat‐Sen UniversityShenzhenChina
| | - Yu Wang
- Department of EpidemiologySchool of Public Health (Shenzhen)Sun Yat‐Sen UniversityShenzhenChina
| | - Meijie Ye
- Department of EpidemiologySchool of Public Health (Shenzhen)Sun Yat‐Sen UniversityShenzhenChina
| | - Yasi Zhang
- Futian Institute of Health EducationShenzhenChina
- Department of EpidemiologySchool of Public Health (Shenzhen)Sun Yat‐Sen UniversityShenzhenChina
| | - Yiqiang Zhan
- Department of EpidemiologySchool of Public Health (Shenzhen)Sun Yat‐Sen UniversityShenzhenChina
- Institute of Environmental MedicineKarolinska InstitutetStockholmSweden
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7
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Desai A, Khataniar H, Hashash JG, Farraye FA, Regueiro M, Kochhar GS. Effectiveness and Safety of Semaglutide for Weight Loss in Patients With Inflammatory Bowel Disease and Obesity. Inflamm Bowel Dis 2024:izae090. [PMID: 38642103 DOI: 10.1093/ibd/izae090] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/22/2024] [Indexed: 04/22/2024]
Abstract
BACKGROUND Semaglutide, a glucagon-like peptide-1 receptor agonist, has shown sustained and clinically significant weight loss in the general population. There are limited data on outcomes of its use in patients with inflammatory bowel disease (IBD). METHODS A retrospective cohort study was conducted between June 4, 2021, and December 11, 2023, using TriNetX, a U.S. multi-institutional database in patients with obesity who had IBD compared with patients without IBD. The primary aim was to assess the mean total body weight (TBW) change between 6 and 15 months from initiation of semaglutide compared with baseline between the 2 cohorts. One-to-one (1:1) propensity score matching was performed for demographics, comorbid conditions, smoking status, and mean body mass index. A 2-sample t test was performed to assess mean TBW change from baseline, with a P value <.05 considered to be statistically significant. We also compared the risk of IBD-specific outcomes with and without semaglutide use in patients with IBD. RESULTS Out of 47 424 patients with IBD and obesity, 150 (0.3%) patients were prescribed semaglutide (mean age 47.4 ± 12.2 years; mean TBW 237 ± 54.8 pounds; mean body mass index 36.9 ± 6.5 kg/m2; 66% Crohn's disease). There was no difference in mean TBW change after initiation of semaglutide in the IBD and non-IBD cohorts (-16 ± 13.4 pounds vs -18 ± 12.7 pounds; P = .24). There was no difference in mean TBW change between 6 and 12 months (-16 ± 13 pounds vs -15 ± 11.2 pounds; P = .24) and 12 and 15 months (-20 ± 13.2 pounds vs -21 ± 15.3 pounds; P = .49) between the 2 cohorts. There was no difference in the risk of oral or intravenous steroid use and any-cause hospitalization in the semaglutide group compared with the group without semaglutide use in patients with IBD. CONCLUSION Semaglutide use is effective in patients with IBD and obesity similar to patients without IBD, with >5% mean weight loss. There was no increased risk of IBD-specific adverse events with semaglutide use.
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Affiliation(s)
- Aakash Desai
- Division of Gastroenterology and Hepatology, Mayo Clinic, Jacksonville, FL, USA
| | | | - Jana G Hashash
- Division of Gastroenterology and Hepatology, Mayo Clinic, Jacksonville, FL, USA
| | - Francis A Farraye
- Division of Gastroenterology and Hepatology, Mayo Clinic, Jacksonville, FL, USA
| | - Miguel Regueiro
- Division of Gastroenterology, Hepatology and Nutrition, Cleveland Clinic Foundation, Cleveland, OH, USA
| | - Gursimran S Kochhar
- Division of Gastroenterology, Hepatology and Nutrition, Allegheny Health Network, Pittsburgh, PA, USA
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Gao Z, Lv S, Ran X, Wang Y, Xia M, Wang J, Qiu M, Wei Y, Shao Z, Zhao Z, Zhang Y, Zhou X, Yu Y. Influencing factors of corticomuscular coherence in stroke patients. Front Hum Neurosci 2024; 18:1354332. [PMID: 38562230 PMCID: PMC10982423 DOI: 10.3389/fnhum.2024.1354332] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2023] [Accepted: 03/05/2024] [Indexed: 04/04/2024] Open
Abstract
Stroke, also known as cerebrovascular accident, is an acute cerebrovascular disease with a high incidence, disability rate, and mortality. It can disrupt the interaction between the cerebral cortex and external muscles. Corticomuscular coherence (CMC) is a common and useful method for studying how the cerebral cortex controls muscle activity. CMC can expose functional connections between the cortex and muscle, reflecting the information flow in the motor system. Afferent feedback related to CMC can reveal these functional connections. This paper aims to investigate the factors influencing CMC in stroke patients and provide a comprehensive summary and analysis of the current research in this area. This paper begins by discussing the impact of stroke and the significance of CMC in stroke patients. It then proceeds to elaborate on the mechanism of CMC and its defining formula. Next, the impacts of various factors on CMC in stroke patients were discussed individually. Lastly, this paper addresses current challenges and future prospects for CMC.
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Affiliation(s)
- Zhixian Gao
- School of Medical Engineering, Xinxiang Medical University, Xinxiang, China
- Engineering Technology Research Center of Neurosense and Control of Henan Province, Xinxiang, China
- Henan International Joint Laboratory of Neural Information Analysis and Drug Intelligent Design, Xinxiang, China
| | - Shiyang Lv
- School of Medical Engineering, Xinxiang Medical University, Xinxiang, China
- Engineering Technology Research Center of Neurosense and Control of Henan Province, Xinxiang, China
- Henan International Joint Laboratory of Neural Information Analysis and Drug Intelligent Design, Xinxiang, China
| | - Xiangying Ran
- School of Medical Engineering, Xinxiang Medical University, Xinxiang, China
- Engineering Technology Research Center of Neurosense and Control of Henan Province, Xinxiang, China
- Henan International Joint Laboratory of Neural Information Analysis and Drug Intelligent Design, Xinxiang, China
| | - Yuxi Wang
- School of Medical Engineering, Xinxiang Medical University, Xinxiang, China
- Engineering Technology Research Center of Neurosense and Control of Henan Province, Xinxiang, China
- Henan International Joint Laboratory of Neural Information Analysis and Drug Intelligent Design, Xinxiang, China
| | - Mengsheng Xia
- School of Medical Engineering, Xinxiang Medical University, Xinxiang, China
- Engineering Technology Research Center of Neurosense and Control of Henan Province, Xinxiang, China
- Henan International Joint Laboratory of Neural Information Analysis and Drug Intelligent Design, Xinxiang, China
| | - Junming Wang
- School of Medical Engineering, Xinxiang Medical University, Xinxiang, China
- Engineering Technology Research Center of Neurosense and Control of Henan Province, Xinxiang, China
- Henan International Joint Laboratory of Neural Information Analysis and Drug Intelligent Design, Xinxiang, China
| | - Mengyue Qiu
- School of Medical Engineering, Xinxiang Medical University, Xinxiang, China
- Engineering Technology Research Center of Neurosense and Control of Henan Province, Xinxiang, China
- Henan International Joint Laboratory of Neural Information Analysis and Drug Intelligent Design, Xinxiang, China
| | - Yinping Wei
- School of Medical Engineering, Xinxiang Medical University, Xinxiang, China
- Engineering Technology Research Center of Neurosense and Control of Henan Province, Xinxiang, China
- Henan International Joint Laboratory of Neural Information Analysis and Drug Intelligent Design, Xinxiang, China
| | - Zhenpeng Shao
- School of Medical Engineering, Xinxiang Medical University, Xinxiang, China
- Engineering Technology Research Center of Neurosense and Control of Henan Province, Xinxiang, China
- Henan International Joint Laboratory of Neural Information Analysis and Drug Intelligent Design, Xinxiang, China
| | - Zongya Zhao
- School of Medical Engineering, Xinxiang Medical University, Xinxiang, China
- Engineering Technology Research Center of Neurosense and Control of Henan Province, Xinxiang, China
- Henan International Joint Laboratory of Neural Information Analysis and Drug Intelligent Design, Xinxiang, China
| | - Yehong Zhang
- School of Medical Engineering, Xinxiang Medical University, Xinxiang, China
- Engineering Technology Research Center of Neurosense and Control of Henan Province, Xinxiang, China
- Henan International Joint Laboratory of Neural Information Analysis and Drug Intelligent Design, Xinxiang, China
| | - Xuezhi Zhou
- School of Medical Engineering, Xinxiang Medical University, Xinxiang, China
- Engineering Technology Research Center of Neurosense and Control of Henan Province, Xinxiang, China
| | - Yi Yu
- School of Medical Engineering, Xinxiang Medical University, Xinxiang, China
- Engineering Technology Research Center of Neurosense and Control of Henan Province, Xinxiang, China
- Henan International Joint Laboratory of Neural Information Analysis and Drug Intelligent Design, Xinxiang, China
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9
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Liu H, Wang G, Zhang J, Lu B, Li D, Chen J. Inhalation of diesel exhaust particulate matter accelerates weight gain via regulation of hypothalamic appetite-related genes and gut microbiota metabolism. JOURNAL OF HAZARDOUS MATERIALS 2024; 466:133570. [PMID: 38309172 DOI: 10.1016/j.jhazmat.2024.133570] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/09/2023] [Revised: 01/17/2024] [Accepted: 01/17/2024] [Indexed: 02/05/2024]
Abstract
Mice exposed to diesel exhaust particulate matter (DEPM) exhibited accelerated weight gain. Several hypothalamic genes, hormones (serum Hypothalamic-Pituitary-Adrenal (HPA) axis hormones and gastrointestinal peptide tyrosine tyrosine (PYY)), metabolites (intrahepatic triglyceride (IHTG) and fecal short-chain fatty acids (SCFAs)), and gut microbiota structure, which may influence obesity and appetite regulation, were examined. The result suggested that DEPM-induced accelerated weight gain may be associated with increased expression of hypothalamic Gamma-aminobutyric acid (GABA) type B receptor, tight junction protein, and orexin receptors, in addition with decreased IHTG and repressed HPA axis. Moreover, changes in the structure of intestinal microbiota are also related to weight changes, especially for phylum Firmicutes, genus Lactobacillus, and the ratio of relative abundance of Firmicutes and Bacteroidetes (F/B). DEPM exposure also caused widespread increase in the levels of intestinal SCFAs, the concentrations of propionic acid and isobutyric acid were associated with weight gain rate and the abundance of some bacteria. Although DEPM exposure caused changes in expression of hypothalamic serotonin, NPY, and melanocortin receptors, they were not associated with weight changes. Furthermore, no significant difference in gastrointestinal PYY and expression of hypothalamic receptors for leptin, insulin, and glucagon-like peptide 1 receptors was observed between DEPM-exposed and control mice.
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Affiliation(s)
- Hou Liu
- Shanghai Key Laboratory of Atmospheric Particle Pollution and Prevention (LAP3), Department of Environmental Science and Engineering, Fudan University, Shanghai 200433, China
| | - Guicheng Wang
- Institute of Developmental Biology and Molecular Medicine, Fudan University, Shanghai 200433, China
| | - Jin Zhang
- Shanghai Key Laboratory of Atmospheric Particle Pollution and Prevention (LAP3), Department of Environmental Science and Engineering, Fudan University, Shanghai 200433, China
| | - Bingjie Lu
- Shanghai Key Laboratory of Atmospheric Particle Pollution and Prevention (LAP3), Department of Environmental Science and Engineering, Fudan University, Shanghai 200433, China
| | - Dan Li
- Shanghai Key Laboratory of Atmospheric Particle Pollution and Prevention (LAP3), Department of Environmental Science and Engineering, Fudan University, Shanghai 200433, China.
| | - Jianmin Chen
- Shanghai Key Laboratory of Atmospheric Particle Pollution and Prevention (LAP3), Department of Environmental Science and Engineering, Fudan University, Shanghai 200433, China
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Patil M, Casari I, Warne LN, Falasca M. G protein-coupled receptors driven intestinal glucagon-like peptide-1 reprogramming for obesity: Hope or hype? Biomed Pharmacother 2024; 172:116245. [PMID: 38340396 DOI: 10.1016/j.biopha.2024.116245] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2023] [Revised: 01/23/2024] [Accepted: 02/01/2024] [Indexed: 02/12/2024] Open
Abstract
'Globesity' is a foremost challenge to the healthcare system. The limited efficacy and adverse effects of available oral pharmacotherapies pose a significant obstacle in the fight against obesity. The biology of the leading incretin hormone glucagon-like-peptide-1 (GLP-1) has been highly captivated during the last decade owing to its multisystemic pleiotropic clinical outcomes beyond inherent glucoregulatory action. That fostered a pharmaceutical interest in synthetic GLP-1 analogues to tackle type-2 diabetes (T2D), obesity and related complications. Besides, mechanistic insights on metabolic surgeries allude to an incretin-based hormonal combination strategy for weight loss that emerged as a forerunner for the discovery of injectable 'unimolecular poly-incretin-agonist' therapies. Physiologically, intestinal enteroendocrine L-cells (EECs) are the prominent endogenous source of GLP-1 peptide. Despite comprehending the potential of various G protein-coupled receptors (GPCRs) to stimulate endogenous GLP-1 secretion, decades of translational GPCR research have failed to yield regulatory-approved endogenous GLP-1 secretagogue oral therapy. Lately, a dual/poly-GPCR agonism strategy has emerged as an alternative approach to the traditional mono-GPCR concept. This review aims to gain a comprehensive understanding by revisiting the pharmacology of a few potential GPCR-based complementary avenues that have drawn attention to the design of orally active poly-GPCR agonist therapy. The merits, challenges and recent developments that may aid future poly-GPCR drug discovery are critically discussed. Subsequently, we project the mechanism-based therapeutic potential and limitations of oral poly-GPCR agonism strategy to augment intestinal GLP-1 for weight loss. We further extend our discussion to compare the poly-GPCR agonism approach over invasive surgical and injectable GLP-1-based regimens currently in clinical practice for obesity.
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Affiliation(s)
- Mohan Patil
- Metabolic Signalling Group, Curtin Medical School, Curtin Health Innovation Research Institute, Curtin University, Perth, Western Australia 6102, Australia
| | - Ilaria Casari
- Metabolic Signalling Group, Curtin Medical School, Curtin Health Innovation Research Institute, Curtin University, Perth, Western Australia 6102, Australia
| | - Leon N Warne
- Little Green Pharma, West Perth, Western Australia 6872, Australia
| | - Marco Falasca
- University of Parma, Department of Medicine and Surgery, Via Volturno 39, 43125 Parma, Italy.
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11
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Griffiths KR, Breukelaar IA, Harvie G, Yang J, Foster SL, Harris AW, Clarke S, Hay PJ, Touyz S, Korgaonkar MS, Kohn MR. Functional Connectivity Mechanisms Underlying Symptom Reduction Following Lisdexamfetamine Treatment in Binge-Eating Disorder: A Clinical Trial. BIOLOGICAL PSYCHIATRY GLOBAL OPEN SCIENCE 2024; 4:317-325. [PMID: 38298797 PMCID: PMC10829641 DOI: 10.1016/j.bpsgos.2023.08.016] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2023] [Revised: 08/03/2023] [Accepted: 08/21/2023] [Indexed: 02/02/2024] Open
Abstract
Background Speculation exists as to whether lisdexamfetamine dimesylate (LDX) acts on the functional connectivity (FC) of brain networks that modulate appetite, reward, or inhibitory control in binge-eating disorder (BED). Better insights into its action may help guide the development of more targeted therapeutics and identify who will benefit most from this medication. Here, we use a comprehensive data-driven approach to investigate the brain FC changes that underlie the therapeutic action of LDX in patients with BED. Methods Forty-six participants with moderate to severe BED received LDX titrated to 50 or 70 mg for an 8-week period. Twenty age-matched healthy control participants were also recruited. Resting-state functional magnetic resonance imaging was used to probe changes in brain FC pre- and post treatment and correlated with change in clinical measures. Results Ninety-seven percent of trial completers (n = 31) experienced remission or a reduction to mild BED during the 8-week LDX trial. Widespread neural FC changes occurred, with changes in default mode to limbic, executive control to subcortical, and default mode to executive control networks associated with improvements in clinical outcomes. These connections were not distinct from control participants at pretreatment but were different from control participants following LDX treatment. Pretreatment connectivity did not predict treatment response. Conclusions FC between networks associated with self-referential processing, executive function, and reward seem to underlie the therapeutic effect of LDX in BED. This suggests that LDX activates change via multiple systems, with most changes in compensatory networks rather than in those characterizing the BED diagnosis.
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Affiliation(s)
- Kristi R. Griffiths
- Brain Dynamics Centre, Westmead Institute for Medical Research, The University of Sydney, Westmead, New South Wales, Australia
- InsideOut Institute, University of Sydney, Sydney Local Health District, Sydney, New South Wales, Australia
| | - Isabella A. Breukelaar
- Brain Dynamics Centre, Westmead Institute for Medical Research, The University of Sydney, Westmead, New South Wales, Australia
- School of Psychology, University of New South Wales, Sydney, New South Wales, Australia
| | - Grace Harvie
- Brain Dynamics Centre, Westmead Institute for Medical Research, The University of Sydney, Westmead, New South Wales, Australia
| | - Jenny Yang
- Brain Dynamics Centre, Westmead Institute for Medical Research, The University of Sydney, Westmead, New South Wales, Australia
| | - Sheryl L. Foster
- Brain Dynamics Centre, Westmead Institute for Medical Research, The University of Sydney, Westmead, New South Wales, Australia
- Department of Radiology, Westmead Hospital, Sydney, New South Wales, Australia
| | - Anthony W. Harris
- Brain Dynamics Centre, Westmead Institute for Medical Research, The University of Sydney, Westmead, New South Wales, Australia
- Specialty of Psychiatry, Faculty of Medicine and Health, The University of Sydney, Sydney, New South Wales, Australia
| | - Simon Clarke
- Centre for Research into Adolescents’ Health, University of Sydney, Sydney, New South Wales, Australia
- Adolescent and Young Adult Medicine, Westmead Hospital, Sydney, New South Wales, Australia
| | - Phillipa J. Hay
- Translational Health Research Institute, School of Medicine, Western Sydney University, Sydney, New South Wales, Australia
- Mental Health Services, Camden and Campbelltown Hospitals, South Western Sydney Local Health District, Sydney, New South Wales, Australia
| | - Stephen Touyz
- InsideOut Institute, University of Sydney, Sydney Local Health District, Sydney, New South Wales, Australia
- Clinical Psychology Unit, School of Psychology, University of Sydney, Sydney, New South Wales, Australia
| | - Mayuresh S. Korgaonkar
- Brain Dynamics Centre, Westmead Institute for Medical Research, The University of Sydney, Westmead, New South Wales, Australia
| | - Michael R. Kohn
- Brain Dynamics Centre, Westmead Institute for Medical Research, The University of Sydney, Westmead, New South Wales, Australia
- Centre for Research into Adolescents’ Health, University of Sydney, Sydney, New South Wales, Australia
- Adolescent and Young Adult Medicine, Westmead Hospital, Sydney, New South Wales, Australia
- Clinical Psychology Unit, School of Psychology, University of Sydney, Sydney, New South Wales, Australia
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12
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Wu Y, Feng X, Li M, Hu Z, Zheng Y, Chen S, Luo H. Gut microbiota associated with appetite suppression in high-temperature and high-humidity environments. EBioMedicine 2024; 99:104918. [PMID: 38103514 PMCID: PMC10765014 DOI: 10.1016/j.ebiom.2023.104918] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2023] [Revised: 11/22/2023] [Accepted: 12/01/2023] [Indexed: 12/19/2023] Open
Abstract
BACKGROUND Food is crucial for maintaining vital human and animal activities. Disorders in appetite control can lead to various metabolic disturbances. Alterations in the gut microbial composition can affect appetite and energy metabolism. While alterations in the gut microbiota have been observed in high-temperature and high-humidity (HTH) environments, the relationship between the gut microbiota during HTH and appetite remains unclear. METHODS We utilised an artificial climate box to mimic HTH environments, and established a faecal bacteria transplantation (FMT) mouse model. Mendelian randomisation (MR) analysis was used to further confirm the causal relationship between gut microbiota and appetite or appetite-related hormones. FINDINGS We found that, in the eighth week of exposure to HTH environments, mice showed a decrease in food intake and body weight, and there were significant changes in the intestinal microbiota compared to the control group. After FMT, we observed similar changes in food intake, body weight, and gut bacteria. Appetite-related hormones, including ghrelin, glucagon-like peptide-1, and insulin, were reduced in DH (mice exposed to HTH conditions) and DHF (FMT from mice exposed to HTH environments for 8 weeks), while the level of peptide YY initially increased and then decreased in DH and increased after FMT. Moreover, MR analysis further confirmed that these changes in the intestinal microbiota could affect appetite or appetite-related hormones. INTERPRETATION Together, our data suggest that the gut microbiota is closely associated with appetite suppression in HTH. These findings provide novel insights into the effects of HTH on appetite. FUNDING This work was supported by the National Natural Science Foundation of China and Guangzhou University of Chinese Medicine.
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Affiliation(s)
- Yalan Wu
- Research Centre of Basic Integrative Medicine, School of Basic Medical Sciences, Guangzhou University of Chinese Medicine, Guangzhou, Guangzhou, China
| | - Xiangrong Feng
- Research Centre of Basic Integrative Medicine, School of Basic Medical Sciences, Guangzhou University of Chinese Medicine, Guangzhou, Guangzhou, China
| | - Mengjun Li
- Research Centre of Basic Integrative Medicine, School of Basic Medical Sciences, Guangzhou University of Chinese Medicine, Guangzhou, Guangzhou, China
| | - Zongren Hu
- Department of Rehabilitation and Healthcare, Hunan University of Medicine, Hunan, China
| | - Yuhua Zheng
- Research Centre of Basic Integrative Medicine, School of Basic Medical Sciences, Guangzhou University of Chinese Medicine, Guangzhou, Guangzhou, China
| | - Song Chen
- Science and Technology Innovation Center, Guangzhou University of Chinese Medicine, Guangzhou, China.
| | - Huanhuan Luo
- Research Centre of Basic Integrative Medicine, School of Basic Medical Sciences, Guangzhou University of Chinese Medicine, Guangzhou, Guangzhou, China; State Key Laboratory of Traditional Chinese Medicine Syndrome, Guangzhou University of Chinese Medicine, Guangzhou, China.
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13
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Matiashova L, Hoogkamer AL, Timper K. The Role of the Olfactory System in Obesity and Metabolism in Humans: A Systematic Review and Meta-Analysis. Metabolites 2023; 14:16. [PMID: 38248819 PMCID: PMC10821293 DOI: 10.3390/metabo14010016] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2023] [Revised: 12/16/2023] [Accepted: 12/20/2023] [Indexed: 01/23/2024] Open
Abstract
Obesity, linked to chronic diseases, poses a global health challenge. While the role of the olfactory system in energy homeostasis is well-documented in rodents, its role in metabolism regulation and obesity in humans remains understudied. This review examines the interplay between olfactory function and metabolic alterations in human obesity and the effects of bariatric surgery on olfactory capabilities in humans. Adhering to PRISMA guidelines, a systematic review and meta-analysis was conducted, focusing exclusively on original human studies. From 51 articles, 14 were selected for the meta-analysis. It was found that variations in olfactory receptor genes influence the susceptibility to odors and predisposition to weight gain and poor eating habits. Bariatric surgery, particularly sleeve gastrectomy, shows significant improvements in olfactory function (SMD 2.37, 95% CI [0.96, 3.77], I = 92%, p = 0.001), especially regarding the olfactory threshold (SMD -1.65, 95% CI [-3.03, -0.27], I = 81%, p = 0.02). There is a bidirectional relationship between olfactory function and metabolism in humans. Bariatric surgery improves olfactory perception in obese patients, but it is still unclear if impacting the olfactory system directly affects eating behavior and the energy balance. However, these findings open novel avenues for future studies addressing the olfactory system as a novel target to alter systemic metabolism in humans.
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Affiliation(s)
- Lolita Matiashova
- Clinic of Endocrinology, Diabetes and Metabolism, University Hospital Basel, 4031 Basel, Switzerland; (A.L.H.); or (K.T.)
| | - Anouk Lisa Hoogkamer
- Clinic of Endocrinology, Diabetes and Metabolism, University Hospital Basel, 4031 Basel, Switzerland; (A.L.H.); or (K.T.)
| | - Katharina Timper
- Clinic of Endocrinology, Diabetes and Metabolism, University Hospital Basel, 4031 Basel, Switzerland; (A.L.H.); or (K.T.)
- Department of Biomedicine, University of Basel, 4031 Basel, Switzerland
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14
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Jensen DE, Ebmeier KP, Akbaraly T, Jansen MG, Singh-Manoux A, Kivimäki M, Zsoldos E, Klein-Flügge MC, Suri S. The association of longitudinal diet and waist-to-hip ratio from midlife to old age with hippocampus connectivity and memory in old age: a cohort study. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.12.12.570778. [PMID: 38168259 PMCID: PMC10760001 DOI: 10.1101/2023.12.12.570778] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/05/2024]
Abstract
Epidemiological studies suggest lifestyle factors may reduce the risk of dementia. However, few studies have examined the association of diet and waist-to-hip ratio with hippocampus connectivity. In the Whitehall II Imaging Sub-study, we examined longitudinal changes in diet quality in 512 participants and waist-to-hip ratio in 665 participants. Diet quality was measured using the Alternative Health Eating Index-2010 assessed three times across 11 years between ages 48 and 60 years, and waist-to-hip ratio five times over 21 years between ages 48 and 68 years. Brain imaging and cognitive tests were performed at age 70±5 years. We measured white matter using diffusion tensor imaging and hippocampal functional connectivity using resting-state functional magnetic resonance imaging. In addition to associations of diet and waist-to-hip ratio with brain imaging measures, we tested whether associations between diet, waist-to-hip ratio and cognitive performance were mediated by brain connectivity. We found better diet quality in midlife and improvements in diet over mid-to-late life were associated with higher hippocampal functional connectivity to the occipital lobe and cerebellum, and better white matter integrity as measured by higher fractional anisotropy and lower diffusivity. Higher waist-to-hip ratio in midlife was associated with higher mean and radial diffusivity and lower fractional anisotropy in several tracts including the inferior longitudinal fasciculus and cingulum. Associations between midlife waist-to-hip ratio, working memory and executive function were partially mediated by radial diffusivity. All associations were independent of age, sex, education, and physical activity. Our findings highlight the importance of maintaining a good diet and a healthy waist-to-hip ratio in midlife to maintain brain health in later life. Future interventional studies for the improvement of dietary and metabolic health should target midlife for the prevention of cognitive decline in old age.
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15
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Al‐Alsheikh AS, Alabdulkader S, Miras AD, Goldstone AP. Effects of bariatric surgery and dietary interventions for obesity on brain neurotransmitter systems and metabolism: A systematic review of positron emission tomography (PET) and single-photon emission computed tomography (SPECT) studies. Obes Rev 2023; 24:e13620. [PMID: 37699864 PMCID: PMC10909448 DOI: 10.1111/obr.13620] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/03/2022] [Revised: 04/05/2023] [Accepted: 07/10/2023] [Indexed: 09/14/2023]
Abstract
This systematic review collates studies of dietary or bariatric surgery interventions for obesity using positron emission tomography and single-photon emission computed tomography. Of 604 publications identified, 22 met inclusion criteria. Twelve studies assessed bariatric surgery (seven gastric bypass, five gastric bypass/sleeve gastrectomy), and ten dietary interventions (six low-calorie diet, three very low-calorie diet, one prolonged fasting). Thirteen studies examined neurotransmitter systems (six used tracers for dopamine DRD2/3 receptors: two each for 11 C-raclopride, 18 F-fallypride, 123 I-IBZM; one for dopamine transporter, 123 I-FP-CIT; one used tracer for serotonin 5-HT2A receptor, 18 F-altanserin; two used tracers for serotonin transporter, 11 C-DASB or 123 I-FP-CIT; two used tracer for μ-opioid receptor, 11 C-carfentanil; one used tracer for noradrenaline transporter, 11 C-MRB); seven studies assessed glucose uptake using 18 F-fluorodeoxyglucose; four studies assessed regional cerebral blood flow using 15 O-H2 O (one study also used arterial spin labeling); and two studies measured fatty acid uptake using 18 F-FTHA and one using 11 C-palmitate. The review summarizes findings and correlations with clinical outcomes, eating behavior, and mechanistic mediators. The small number of studies using each tracer and intervention, lack of dietary intervention control groups in any surgical studies, heterogeneity in time since intervention and degree of weight loss, and small sample sizes hindered the drawing of robust conclusions across studies.
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Affiliation(s)
- Alhanouf S. Al‐Alsheikh
- Department of Metabolism, Digestion and Reproduction, Imperial College LondonHammersmith HospitalLondonUK
- Department of Community Health Sciences, College of Applied Medical SciencesKing Saud UniversityRiyadhSaudi Arabia
| | - Shahd Alabdulkader
- Department of Metabolism, Digestion and Reproduction, Imperial College LondonHammersmith HospitalLondonUK
- Department of Health Sciences, College of Health and Rehabilitation SciencesPrincess Nourah Bint Abdulrahman UniversityRiyadhSaudi Arabia
| | - Alexander D. Miras
- Department of Metabolism, Digestion and Reproduction, Imperial College LondonHammersmith HospitalLondonUK
- School of Medicine, Faculty of Life and Health SciencesUlster UniversityLondonderryUK
| | - Anthony P. Goldstone
- PsychoNeuroEndocrinology Research Group, Division of Psychiatry, Department of Brain Sciences, Imperial College LondonHammersmith HospitalLondonUK
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16
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Sun W, Matsuoka T, Imai A, Narumoto J. Relationship between eating problems and the risk of dementia: A retrospective study. Psychogeriatrics 2023; 23:1043-1050. [PMID: 37806970 DOI: 10.1111/psyg.13028] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/19/2023] [Revised: 08/24/2023] [Accepted: 09/14/2023] [Indexed: 10/10/2023]
Abstract
BACKGROUND Older adults and individuals with decreased cognition often experience appetite changes and weight loss. As weight loss can result in cognitive decline, change in appetite may be an important contributor to the onset of dementia. However, there is a lack of relevant studies on this topic. This study aimed to determine the relationship between appetite changes, weight loss, and dementia onset. METHODS A total of 135 patients with normal cognitive function, subjective cognitive impairment, and mild cognitive impairment who were assessed using the Neuropsychiatric Inventory 12 item version (NPI-12) and followed up for at least 1 month were enrolled in the study. All patients underwent a Mini-Mental State Examination (MMSE). Eating problems were assessed using the NPI Eating Problems Score. Appetite and weight loss were assessed at the first visit by caregivers. Kaplan-Meier survival analyses with a log-rank test were used to compare the time to the onset of dementia between the presence or absence of the NPI eating problems, appetite loss, weight loss, or NPI depression scores. Cox proportional hazards regression models using the forced entry method were employed to estimate the hazard ratio (HR) for dementia. RESULTS Weight loss was significantly related to dementia onset (P = 0.027) in the Kaplan-Meier survival analyses, while eating problems, appetite loss, and depression showed no significant association (P = 0.519, P = 0.326, and P = 0.317, respectively). In the Cox proportional hazards regression models, the MMSE score was found to be a significant factor (P = 0.021, HR = 0.871); moreover, weight loss tended to increase the risk of dementia onset (P = 0.057, HR = 1.694). CONCLUSIONS Weight loss experienced by older adults could contribute to an increased risk of developing dementia.
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Affiliation(s)
- Weiyi Sun
- Department of Psychiatry, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kyoto, Japan
| | - Teruyuki Matsuoka
- Department of Psychiatry, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kyoto, Japan
- Department of Psychiatry, National Hospital Organization Maizuru Medical Center, Kyoto, Japan
| | - Ayu Imai
- Department of Psychiatry, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kyoto, Japan
| | - Jin Narumoto
- Department of Psychiatry, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kyoto, Japan
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17
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Guo B, Zhang J, Zhang W, Chen F, Liu B. Gut microbiota-derived short chain fatty acids act as mediators of the gut-brain axis targeting age-related neurodegenerative disorders: a narrative review. Crit Rev Food Sci Nutr 2023:1-22. [PMID: 37897083 DOI: 10.1080/10408398.2023.2272769] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/29/2023]
Abstract
Neurodegenerative diseases associated with aging are often accompanied by cognitive decline and gut microbiota disorder. But the impact of gut microbiota on these cognitive disturbances remains incompletely understood. Short chain fatty acids (SCFAs) are major metabolites produced by gut microbiota during the digestion of dietary fiber, serving as an energy source for gut epithelial cells and/or circulating to other organs, such as the liver and brain, through the bloodstream. SCFAs have been shown to cross the blood-brain barrier and played crucial roles in brain metabolism, with potential implications in mediating Alzheimer's disease (AD) and Parkinson's disease (PD). However, the underlying mechanisms that SCFAs might influence psychological functioning, including affective and cognitive processes and their neural basis, have not been fully elucidated. Furthermore, the dietary sources which determine these SCFAs production was not thoroughly evaluated yet. This comprehensive review explores the production of SCFAs by gut microbiota, their transportation through the gut-brain axis, and the potential mechanisms by which they influence age-related neurodegenerative disorders. Also, the review discusses the importance of dietary fiber sources and the challenges associated with harnessing dietary-derived SCFAs as promoters of neurological health in elderly individuals. Overall, this study suggests that gut microbiota-derived SCFAs and/or dietary fibers hold promise as potential targets and strategies for addressing age-related neurodegenerative disorders.
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Affiliation(s)
- Bingbing Guo
- Faculty of Environment and Life, Beijing University of Technology, Beijing, China
| | - Jingyi Zhang
- Faculty of Environment and Life, Beijing University of Technology, Beijing, China
| | - Weihao Zhang
- Faculty of Environment and Life, Beijing University of Technology, Beijing, China
| | - Feng Chen
- Shenzhen Key Laboratory of Food Nutrition and Health, Institute for Innovative Development of Food Industry, Department of Food Science and Engineering, College of Chemistry and Environmental Engineering, Shenzhen University, Shenzhen, China
- Shenzhen Key Laboratory of Marine Microbiome Engineering, Shenzhen University, Shenzhen, China
| | - Bin Liu
- Shenzhen Key Laboratory of Food Nutrition and Health, Institute for Innovative Development of Food Industry, Department of Food Science and Engineering, College of Chemistry and Environmental Engineering, Shenzhen University, Shenzhen, China
- Shenzhen Key Laboratory of Marine Microbiome Engineering, Shenzhen University, Shenzhen, China
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18
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Li G, Chen Y, Chaudhary S, Li CS, Hao D, Yang L, Li CSR. Sleep dysfunction mediates the relationship between hypothalamic-insula connectivity and anxiety-depression symptom severity bidirectionally in young adults. Neuroimage 2023; 279:120340. [PMID: 37611815 DOI: 10.1016/j.neuroimage.2023.120340] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2023] [Revised: 08/03/2023] [Accepted: 08/21/2023] [Indexed: 08/25/2023] Open
Abstract
BACKGROUND The hypothalamus plays a crucial role in regulating sleep-wake cycle and motivated behavior. Sleep disturbance is associated with impairment in cognitive and affective functions. However, how hypothalamic dysfunction may contribute to inter-related sleep, cognitive, and emotional deficits remain unclear. METHODS We curated the Human Connectome Project dataset and investigated how hypothalamic resting state functional connectivities (rsFC) were associated with sleep dysfunction, as evaluated by the Pittsburgh Sleep Quality Index (PSQI), cognitive performance, and subjective mood states in 687 young adults (342 women). Imaging data were processed with published routines and evaluated with a corrected threshold. We examined the inter-relationship amongst hypothalamic rsFC, PSQI score, and clinical measures with mediation analyses. RESULTS In whole-brain regressions with age and drinking severity as covariates, men showed higher hypothalamic rsFC with the right insula in correlation with PSQI score. No clusters were identified in women at the same threshold. Both hypothalamic-insula rsFC and PSQI score were significantly correlated with anxiety and depression scores in men. Further, mediation analyses showed that PSQI score mediated the relationship between hypothalamic-insula rsFC and anxiety/depression symptom severity bidirectionally in men. CONCLUSIONS Sleep dysfunction is associated with negative emotions and hypothalamic rsFC with the right insula, a core structure of the interoceptive circuits. Notably, anxiety-depression symptom severity and altered hypothalamic-insula rsFC are related bidirectionally by poor sleep quality. These findings are specific to men, suggesting potential sex differences in the neural circuits regulating sleep and emotional states that need to be further investigated.
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Affiliation(s)
- Guangfei Li
- Department of Biomedical engineering, Faculty of Environment and Life, Beijing University of Technology, Beijing, China; Beijing International Science and Technology Cooperation Base for Intelligent Physiological Measurement and Clinical Transformation, Beijing, China.
| | - Yu Chen
- Department of Psychiatry, Yale University School of Medicine, New Haven CT, USA
| | - Shefali Chaudhary
- Department of Psychiatry, Yale University School of Medicine, New Haven CT, USA
| | - Clara S Li
- Department of Psychiatry, Yale University School of Medicine, New Haven CT, USA; Smith College, Northampton MA, USA
| | - Dongmei Hao
- Department of Biomedical engineering, Faculty of Environment and Life, Beijing University of Technology, Beijing, China; Beijing International Science and Technology Cooperation Base for Intelligent Physiological Measurement and Clinical Transformation, Beijing, China
| | - Lin Yang
- Department of Biomedical engineering, Faculty of Environment and Life, Beijing University of Technology, Beijing, China; Beijing International Science and Technology Cooperation Base for Intelligent Physiological Measurement and Clinical Transformation, Beijing, China
| | - Chiang-Shan R Li
- Department of Psychiatry, Yale University School of Medicine, New Haven CT, USA; Department of Neuroscience, Yale University School of Medicine, New Haven CT, USA; Interdepartmental Neuroscience Program, Yale University School of Medicine, New Haven CT, USA; Wu Tsai Institute, Yale University, New Haven CT, USA
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19
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Pereira‐Acácio A, Veloso‐Santos JPM, Alves‐Bezerra D, Costa‐Sarmento G, Muzi‐Filho H, Vieyra A. Different antihypertensive and metabolic responses to rostafuroxin in undernourished and normonourished male rats: Outcomes on bodily Na + handling. Physiol Rep 2023; 11:e15820. [PMID: 37667414 PMCID: PMC10477346 DOI: 10.14814/phy2.15820] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2023] [Revised: 08/23/2023] [Accepted: 08/24/2023] [Indexed: 09/06/2023] Open
Abstract
Hypertension is a pandemic nowadays. We aimed to investigate whether chronic undernutrition modifies the response to the antihypertensive drug rostafuroxin in juvenile hypertensive rats. Chronic undernutrition was induced in male rats using a multideficient diet known as the Regional Basic Diet (RBD), mimicking alimentary habits in impoverished regions worldwide. Animals were given RBD-or a control/CTRL normal diet for rodents-from weaning to 90 days, and rostafuroxin (1 mg/kg body mass) was orally administered from day 60 onwards. For the last 2 days, the rats were hosted in metabolic cages to measure food/energy, water, Na+ ingestion, and urinary volume. Rostafuroxin increased food/energy/Na+ intake in CTRL and RBD rats but had opposite effects on Na+ balance (intake minus urinary excretion). The drug normalized the decreased plasma Na+ concentration in RBD rats, increased urinary volume in RBD but not in CTRL, and decreased and increased urinary Na+ concentration in the RBD and CTRL groups, respectively. Rostafuroxin decreased the ouabain-sensitive (Na+ +K+ )ATPase and increased the ouabain-resistant Na+ -ATPase from proximal tubule cells in both groups and normalized the systolic blood pressure in RBD without effect in CTRL rats. We conclude that chronic undernutrition modifies the response of blood pressure and metabolic responses to rostafuroxin.
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Affiliation(s)
- Amaury Pereira‐Acácio
- Graduate Program of Translational Biomedicine/BIOTRANSUniversity of Grande RioDuque de CaxiasBrazil
- Carlos Chagas Filho Institute of BiophysicsFederal University of Rio de JaneiroRio de JaneiroBrazil
- National Center for Structural Biology and Bioimaging/CENABIOFederal University of Rio de JaneiroRio de JaneiroBrazil
- National Institute of Science and Technology for Regenerative Medicine/REGENERARio de JaneiroBrazil
| | - João P. M. Veloso‐Santos
- Carlos Chagas Filho Institute of BiophysicsFederal University of Rio de JaneiroRio de JaneiroBrazil
- National Center for Structural Biology and Bioimaging/CENABIOFederal University of Rio de JaneiroRio de JaneiroBrazil
- National Institute of Science and Technology for Regenerative Medicine/REGENERARio de JaneiroBrazil
| | - Danilo Alves‐Bezerra
- Graduate Program of Translational Biomedicine/BIOTRANSUniversity of Grande RioDuque de CaxiasBrazil
- National Center for Structural Biology and Bioimaging/CENABIOFederal University of Rio de JaneiroRio de JaneiroBrazil
- National Institute of Science and Technology for Regenerative Medicine/REGENERARio de JaneiroBrazil
| | - Glória Costa‐Sarmento
- Carlos Chagas Filho Institute of BiophysicsFederal University of Rio de JaneiroRio de JaneiroBrazil
- National Center for Structural Biology and Bioimaging/CENABIOFederal University of Rio de JaneiroRio de JaneiroBrazil
- National Institute of Science and Technology for Regenerative Medicine/REGENERARio de JaneiroBrazil
| | - Humberto Muzi‐Filho
- Carlos Chagas Filho Institute of BiophysicsFederal University of Rio de JaneiroRio de JaneiroBrazil
- National Center for Structural Biology and Bioimaging/CENABIOFederal University of Rio de JaneiroRio de JaneiroBrazil
- National Institute of Science and Technology for Regenerative Medicine/REGENERARio de JaneiroBrazil
| | - Adalberto Vieyra
- Graduate Program of Translational Biomedicine/BIOTRANSUniversity of Grande RioDuque de CaxiasBrazil
- Carlos Chagas Filho Institute of BiophysicsFederal University of Rio de JaneiroRio de JaneiroBrazil
- National Center for Structural Biology and Bioimaging/CENABIOFederal University of Rio de JaneiroRio de JaneiroBrazil
- National Institute of Science and Technology for Regenerative Medicine/REGENERARio de JaneiroBrazil
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20
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Cargnin-Carvalho A, da Silva MR, Costa AB, Engel NA, Farias BX, Bressan JB, Backes KM, de Souza F, da Rosa N, de Oliveira Junior AN, Goldim MPDS, Correa MEAB, Venturini LM, Fortunato JJ, Prophiro JS, Petronilho F, Silveira PCL, Ferreira GK, Rezin GT. High concentrations of fructose cause brain damage in mice. Biochem Cell Biol 2023; 101:313-325. [PMID: 36947832 DOI: 10.1139/bcb-2022-0088] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/24/2023] Open
Abstract
Excessive fructose consumption is associated with the incidence of obesity and systemic inflammation, resulting in increased oxidative damage and failure to the function of brain structures. Thus, we hypothesized that fructose consumption will significantly increase inflammation, oxidative damage, and mitochondrial dysfunction in the mouse brain and, consequently, memory damage. The effects of different fructose concentrations on inflammatory and biochemical parameters in the mouse brain were evaluated. Male Swiss mice were randomized into four groups: control, with exclusive water intake, 5%, 10%, and 20% fructose group. The 10% and 20% fructose groups showed an increase in epididymal fat, in addition to higher food consumption. Inflammatory markers were increased in epididymal fat and in some brain structures. In the evaluation of oxidative damage, it was possible to observe significant increases in the hypothalamus, prefrontal cortex, and hippocampus. In the epididymal fat and in the prefrontal cortex, there was a decrease in the activity of the mitochondrial respiratory chain complexes and an increase in the striatum. Furthermore, short memory was impaired in the 10% and 20% groups but not long memory. In conclusion, excess fructose consumption can cause fat accumulation, inflammation, oxidative damage, and mitochondrial dysfunction, which can damage brain structures and consequently memory.
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Affiliation(s)
- Anderson Cargnin-Carvalho
- Laboratory of Neurobiology of Inflammatory and Metabolic Processes, Postgraduate Program in Health ScienceUniversidade do Sul de Santa Catarina, Santa Catarina, Brazil
| | - Mariella Reinol da Silva
- Laboratory of Neurobiology of Inflammatory and Metabolic Processes, Postgraduate Program in Health ScienceUniversidade do Sul de Santa Catarina, Santa Catarina, Brazil
| | - Ana Beatriz Costa
- Laboratory of Neurobiology of Inflammatory and Metabolic Processes, Postgraduate Program in Health ScienceUniversidade do Sul de Santa Catarina, Santa Catarina, Brazil
| | - Nicole Alessandra Engel
- Laboratory of Neurobiology of Inflammatory and Metabolic Processes, Postgraduate Program in Health ScienceUniversidade do Sul de Santa Catarina, Santa Catarina, Brazil
| | - Bianca Xavier Farias
- Laboratory of Neurobiology of Inflammatory and Metabolic Processes, Postgraduate Program in Health ScienceUniversidade do Sul de Santa Catarina, Santa Catarina, Brazil
| | - Joice Benedet Bressan
- Laboratory of Neurobiology of Inflammatory and Metabolic Processes, Postgraduate Program in Health ScienceUniversidade do Sul de Santa Catarina, Santa Catarina, Brazil
| | - Kassiane Mathiola Backes
- Laboratory of Neurobiology of Inflammatory and Metabolic Processes, Postgraduate Program in Health ScienceUniversidade do Sul de Santa Catarina, Santa Catarina, Brazil
| | - Francielly de Souza
- Laboratory of Neurobiology of Inflammatory and Metabolic Processes, Postgraduate Program in Health ScienceUniversidade do Sul de Santa Catarina, Santa Catarina, Brazil
| | - Naiana da Rosa
- Laboratory of Neurobiology of Inflammatory and Metabolic Processes, Postgraduate Program in Health ScienceUniversidade do Sul de Santa Catarina, Santa Catarina, Brazil
| | - Aloir Neri de Oliveira Junior
- Laboratory of Neurobiology of Inflammatory and Metabolic Processes, Postgraduate Program in Health ScienceUniversidade do Sul de Santa Catarina, Santa Catarina, Brazil
| | - Mariana Pereira de Souza Goldim
- Laboratory of Neurobiology of Inflammatory and Metabolic Processes, Postgraduate Program in Health ScienceUniversidade do Sul de Santa Catarina, Santa Catarina, Brazil
| | | | - Ligia Milanez Venturini
- Laboratory of Experimental Phisiopatology, Postgraduate Program in Health Sciences, Universidade do Extremo Sul Catarinense, Santa Catarina, Brazil
| | - Jucélia Jeremias Fortunato
- Laboratory of Neurobiology of Inflammatory and Metabolic Processes, Postgraduate Program in Health ScienceUniversidade do Sul de Santa Catarina, Santa Catarina, Brazil
| | - Josiane Somariva Prophiro
- Immunoparasitology Research Group, Postgraduate Program in Health Sciences, Universidade do Sul de Santa Catarina, Santa Catarina, Brazil
| | - Fabrícia Petronilho
- Laboratory of Neurobiology of Inflammatory and Metabolic Processes, Postgraduate Program in Health ScienceUniversidade do Sul de Santa Catarina, Santa Catarina, Brazil
| | - Paulo Cesar Lock Silveira
- Laboratory of Experimental Phisiopatology, Postgraduate Program in Health Sciences, Universidade do Extremo Sul Catarinense, Santa Catarina, Brazil
| | | | - Gislaine Tezza Rezin
- Laboratory of Neurobiology of Inflammatory and Metabolic Processes, Postgraduate Program in Health ScienceUniversidade do Sul de Santa Catarina, Santa Catarina, Brazil
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21
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Szmygin H, Szmygin M, Cheda M, Kłobuszewski B, Drelich-Zbroja A, Matyjaszek-Matuszek B. Current Insights into the Potential Role of fMRI in Discovering the Mechanisms Underlying Obesity. J Clin Med 2023; 12:4379. [PMID: 37445414 DOI: 10.3390/jcm12134379] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2023] [Revised: 06/19/2023] [Accepted: 06/28/2023] [Indexed: 07/15/2023] Open
Abstract
Obesity is becoming one of the major global health concerns. This chronic disease affects around 650 million people worldwide and is an underlying cause of a number of significant comorbidities. According to the World Health Organization (WHO) report on obesity from 2022, this disorder became the fourth leading cause of deaths in Europe. Thus, understanding the mechanisms underlying obesity is of essential importance to successfully prevent and treat this disease. The aim of this study was to review the current insights into the potential role of fMRI in discovering the mechanisms underlying obesity on the basis of recent scientific literature published up to December 2022 and searches of the PubMed, Google Scholar and Web of Science databases. The literature assessed indicated that a growing body of evidence suggests that obesity leads to changes in both structure and connectivity within the central nervous system. Emerging data from recent functional magnetic resonance imaging (fMRI) studies prove that obese individuals present an increased motivational drive to eat as well as impaired processing in reward- and control-related brain regions. Apart from this, it is clear that fMRI might be a useful tool in detection of obesity-induced changes within the central nervous system.
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Affiliation(s)
- Hanna Szmygin
- Department of Endocrinology, Diabetology and Metabolic Diseases, Medical University of Lublin, 20-093 Lublin, Poland
| | - Maciej Szmygin
- Department of Interventional Radiology and Neuroradiology, Medical University of Lublin, 20-093 Lublin, Poland
| | - Mateusz Cheda
- Department of Interventional Radiology and Neuroradiology, Medical University of Lublin, 20-093 Lublin, Poland
| | - Bartosz Kłobuszewski
- Department of Interventional Radiology and Neuroradiology, Medical University of Lublin, 20-093 Lublin, Poland
| | - Anna Drelich-Zbroja
- Department of Interventional Radiology and Neuroradiology, Medical University of Lublin, 20-093 Lublin, Poland
| | - Beata Matyjaszek-Matuszek
- Department of Endocrinology, Diabetology and Metabolic Diseases, Medical University of Lublin, 20-093 Lublin, Poland
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22
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Pepe RB, Lottenberg AM, Fujiwara CTH, Beyruti M, Cintra DE, Machado RM, Rodrigues A, Jensen NSO, Caldas APS, Fernandes AE, Rossoni C, Mattos F, Motarelli JHF, Bressan J, Saldanha J, Beda LMM, Lavrador MSF, Del Bosco M, Cruz P, Correia PE, Maximino P, Pereira S, Faria SL, Piovacari SMF. Position statement on nutrition therapy for overweight and obesity: nutrition department of the Brazilian association for the study of obesity and metabolic syndrome (ABESO-2022). Diabetol Metab Syndr 2023; 15:124. [PMID: 37296485 DOI: 10.1186/s13098-023-01037-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/29/2022] [Accepted: 03/23/2023] [Indexed: 06/12/2023] Open
Abstract
Obesity is a chronic disease resulting from multifactorial causes mainly related to lifestyle (sedentary lifestyle, inadequate eating habits) and to other conditions such as genetic, hereditary, psychological, cultural, and ethnic factors. The weight loss process is slow and complex, and involves lifestyle changes with an emphasis on nutritional therapy, physical activity practice, psychological interventions, and pharmacological or surgical treatment. Because the management of obesity is a long-term process, it is essential that the nutritional treatment contributes to the maintenance of the individual's global health. The main diet-related causes associated with excess weight are the high consumption of ultraprocessed foods, which are high in fats, sugars, and have high energy density; increased portion sizes; and low intake of fruits, vegetables, and grains. In addition, some situations negatively interfere with the weight loss process, such as fad diets that involve the belief in superfoods, the use of teas and phytotherapics, or even the avoidance of certain food groups, as has currently been the case for foods that are sources of carbohydrates. Individuals with obesity are often exposed to fad diets and, on a recurring basis, adhere to proposals with promises of quick solutions, which are not supported by the scientific literature. The adoption of a dietary pattern combining foods such as grains, lean meats, low-fat dairy, fruits, and vegetables, associated with an energy deficit, is the nutritional treatment recommended by the main international guidelines. Moreover, an emphasis on behavioral aspects including motivational interviewing and the encouragement for the individual to develop skills will contribute to achieve and maintain a healthy weight. Therefore, this Position Statement was prepared based on the analysis of the main randomized controlled studies and meta-analyses that tested different nutrition interventions for weight loss. Topics in the frontier of knowledge such as gut microbiota, inflammation, and nutritional genomics, as well as the processes involved in weight regain, were included in this document. This Position Statement was prepared by the Nutrition Department of the Brazilian Association for the Study of Obesity and Metabolic Syndrome (ABESO), with the collaboration of dietitians from research and clinical fields with an emphasis on strategies for weight loss.
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Affiliation(s)
- Renata Bressan Pepe
- Grupo de Obesidade e Sindrome Metabolica, Hospital das Clinicas HCFMUSP, Faculdade de Medicina, Universidade de São Paulo, Sao Paulo, SP, Brazil
| | - Ana Maria Lottenberg
- Laboratório de Lipides (LIM10), Hospital das Clínicas, Faculdade de Medicina, Universidade de São Paulo (HCFMUSP), São Paulo, SP, Brazil.
- Nutrition Department of the Brazilian Association for the Study of Obesity and Metabolic Syndrome (ABESO), Rua Mato Grosso 306 - cj 1711, Sao Paulo, SP, 01239-040, Brazil.
| | - Clarissa Tamie Hiwatashi Fujiwara
- Grupo de Obesidade e Sindrome Metabolica, Hospital das Clinicas HCFMUSP, Faculdade de Medicina, Universidade de São Paulo, Sao Paulo, SP, Brazil
| | - Mônica Beyruti
- Brazilian Association for the Study of Obesity and Metabolic Syndrome (ABESO), São Paulo, SP, Brazil
| | - Dennys Esper Cintra
- Centro de Estudos em Lipídios e Nutrigenômica - CELN - University of Campinas, Campinas, SP, Brazil
| | - Roberta Marcondes Machado
- Liga Acadêmica de Controle de Diabetes do Hospital das Clínicas da Faculdade de Medicina da Universidade de São Paulo (HCFMUSP), São Paulo, SP, Brazil
| | - Alessandra Rodrigues
- Brazilian Association for the Study of Obesity and Metabolic Syndrome (ABESO), São Paulo, SP, Brazil
| | - Natália Sanchez Oliveira Jensen
- Liga Acadêmica de Controle de Diabetes do Hospital das Clínicas da Faculdade de Medicina da Universidade de São Paulo (HCFMUSP), São Paulo, SP, Brazil
| | | | - Ariana Ester Fernandes
- Grupo de Obesidade e Sindrome Metabolica, Hospital das Clinicas HCFMUSP, Faculdade de Medicina, Universidade de São Paulo, Sao Paulo, SP, Brazil
| | - Carina Rossoni
- Instituto de Saúde Ambiental, Faculdade de Medicina da Universidade de Lisboa, Lisbon, Portugal
| | - Fernanda Mattos
- Programa de Obesidade e Cirurgia Bariátrica do Hospital Universitário Clementino Fraga Filho da UFRJ, Rio de Janeiro, RJ, Brazil
| | - João Henrique Fabiano Motarelli
- Núcleo de Estudos e Extensão em Comportamento Alimentar e Obesidade (NEPOCA) da Universidade de São Paulo - FMRP/USP, Ribeirão Preto, Brazil
| | - Josefina Bressan
- Department of Nutrition and Health, Universidade Federal de Viçosa, Viçosa, MG, Brazil
| | | | - Lis Mie Masuzawa Beda
- Brazilian Association for the Study of Obesity and Metabolic Syndrome (ABESO), São Paulo, SP, Brazil
| | - Maria Sílvia Ferrari Lavrador
- Liga Acadêmica de Controle de Diabetes do Hospital das Clínicas da Faculdade de Medicina da Universidade de São Paulo (HCFMUSP), São Paulo, SP, Brazil
| | - Mariana Del Bosco
- Brazilian Association for the Study of Obesity and Metabolic Syndrome (ABESO), São Paulo, SP, Brazil
| | - Patrícia Cruz
- Grupo de Obesidade e Sindrome Metabolica, Hospital das Clinicas HCFMUSP, Faculdade de Medicina, Universidade de São Paulo, Sao Paulo, SP, Brazil
| | | | - Priscila Maximino
- Instituto PENSI - Fundação José Luiz Egydio Setúbal, Instituto Pensi, Fundação José Luiz Egydio Setúbal, Hospital Infantil Sabará, São Paulo, SP, Brazil
| | - Silvia Pereira
- Núcleo de Saúde Alimentar da Sociedade Brasileira de Cirurgia Bariátrica e Metabólica, São Paulo, Brazil
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23
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Brethvad AO, Zakariassen HL, Holt J, Lundgren JR, Jakobsen A, Hartmann B, Lehmann EW, Kissow H, Holst JJ, Madsbad S, Torekov SS, Holst B. Increased meal-induced neurotensin response predicts successful maintenance of weight loss - Data from a randomized controlled trial. Metabolism 2023; 143:155534. [PMID: 36933790 DOI: 10.1016/j.metabol.2023.155534] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/21/2022] [Revised: 02/28/2023] [Accepted: 03/10/2023] [Indexed: 03/18/2023]
Abstract
BACKGROUND The gut derived anorexigenic hormone neurotensin (NT) is upregulated after bariatric surgery which may contribute to the sustained weight loss. In contrast, diet-induced weight loss is most often followed by weight regain. We therefore investigated whether diet-induced weight loss impacts levels of circulating NT in mice and humans and whether NT levels predicts body weight change after weight loss in humans. METHODS In vivo mice study: Obese mice were fed ad-libitum or a restricted diet (40-60 % of average food intake) for 9 days to obtain similar weight loss as observed in the human study. At termination, intestinal segments, the hypothalamus and plasma were collected for histological, real time PCR, and radioimmunoassay (RIA) analysis. CLINICAL TRIAL Plasma samples from 42 participants with obesity, completing an 8-week low-calorie diet in a randomized controlled trial, were analyzed. Plasma NT was measured by RIA at fasting and during a meal test before and after diet-induced weight loss and after one year of intended weight maintenance. RESULTS In obese mice, food restriction-induced body weight loss of 14 % was associated with a 64 % reduction in fasting plasma NT (p < 0.0001). In the mouse duodenum (p = 0.07) and jejunum (p < 0.05), NT tissue concentration was decreased without tissue atrophy indicative of a physiological downregulation. In the mouse hypothalamus a downregulation of Pomc (p < 0.01) along with upregulation of Npy (p < 0.001) and Agrp (p < 0.0001) expression was found after restricted feeding in support of increased hunger after diet-induced weight loss. Therefore, we investigated the NT response in humans undergoing weight loss maintenance. In humans, similar to the mice, the low-calorie diet induced weight loss of 13 % body weight was associated with 40 % reduction in fasting plasma NT levels (p < 0.001). Meal-induced NT peak responses were greater in humans who lost additional weight during the 1 year maintenance phase compared to participants who regained weight (p < 0.05). CONCLUSION Diet-induced weight loss decreased fasting plasma NT levels in both humans and mice with obesity, and regulated hunger-associated hypothalamic gene expression in mice. Meal-induced NT responses were greater in humans who lost additional weight during the 1 year maintenance phase compared to participants who regained weight. This indicates that increased peak secretion of NT after weight loss may contribute to successful maintenance of weight loss. CLINICAL TRIAL REGISTRATION NUMBER NCT02094183.
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Affiliation(s)
| | - Hannah Louise Zakariassen
- Department of Biomedical Sciences, University of Copenhagen, Blegdamsvej 3, 12.4., 2200 Copenhagen, Denmark.
| | - Joachim Holt
- Department of Biomedical Sciences, University of Copenhagen, Blegdamsvej 3, 12.4., 2200 Copenhagen, Denmark
| | - Julie Rehné Lundgren
- Department of Biomedical Sciences, University of Copenhagen, Blegdamsvej 3, 12.4., 2200 Copenhagen, Denmark
| | - Alexander Jakobsen
- Department of Biomedical Sciences, University of Copenhagen, Blegdamsvej 3, 12.4., 2200 Copenhagen, Denmark
| | - Bolette Hartmann
- Department of Biomedical Sciences, University of Copenhagen, Blegdamsvej 3, 12.4., 2200 Copenhagen, Denmark; Novo Nordisk Foundation Center for Basic Metabolic Research, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Eva Winning Lehmann
- Department of Biomedical Sciences, University of Copenhagen, Blegdamsvej 3, 12.4., 2200 Copenhagen, Denmark
| | - Hannelouise Kissow
- Department of Biomedical Sciences, University of Copenhagen, Blegdamsvej 3, 12.4., 2200 Copenhagen, Denmark; Novo Nordisk Foundation Center for Basic Metabolic Research, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Jens Juul Holst
- Department of Biomedical Sciences, University of Copenhagen, Blegdamsvej 3, 12.4., 2200 Copenhagen, Denmark; Novo Nordisk Foundation Center for Basic Metabolic Research, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Sten Madsbad
- Department of Endocrinology, Hvidovre University Hospital, Hvidovre, Denmark
| | - Signe Sørensen Torekov
- Department of Biomedical Sciences, University of Copenhagen, Blegdamsvej 3, 12.4., 2200 Copenhagen, Denmark.
| | - Birgitte Holst
- Department of Biomedical Sciences, University of Copenhagen, Blegdamsvej 3, 12.4., 2200 Copenhagen, Denmark
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24
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Xin H, Fu Y, Feng M, Wang S, Sui C, Gao Y, Zhang N, Guo L, Wen H, Liang C. Altered Intrinsic Brain Activity Related to Neurologic and Motor Dysfunction in Diabetic Peripheral Neuropathy Patients. J Clin Endocrinol Metab 2023; 108:802-811. [PMID: 36333998 DOI: 10.1210/clinem/dgac651] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/27/2022] [Revised: 11/02/2022] [Accepted: 11/02/2022] [Indexed: 11/06/2022]
Abstract
CONTEXT Brain functional alterations in type 2 diabetes with diabetic peripheral neuropathy (DPN) related to motor dysfunction remain largely unknown. OBJECTIVE We aimed to explore intrinsic resting brain activity in DPN. METHODS A total of 28 patients with DPN, 43 patients with diabetes and without DPN (NDPN), and 32 healthy controls (HCs) were recruited and underwent resting-state functional magnetic resonance imaging. We calculated the amplitude of low-frequency fluctuation (ALFF), fractional ALFF (fALFF), and regional homogeneity (ReHo). One-way analysis of covariance was applied to evaluate the above indicators among the 3 groups, and the mean ALFF/fALFF/ReHo values of altered brain regions were then correlated with clinical features of patients. RESULTS Compared with the NDPN group, the DPN group showed significantly decreased ALFF values in the right orbital superior frontal gyrus (ORBsup) and medial superior frontal gyrus (SFGmed), and increased ALFF values in the left inferior temporal gyrus (ITG) and decreased fALFF values in the right SFGmed. Compared with HCs, the NDPN group showed increased ALFF values in the right ORBsup, middle frontal gyrus, and left orbital middle frontal gyrus, and decreased fALFF values in the right middle temporal gyrus. Notably, the mean ALFF values of the right ORBsup were significantly negatively correlated with Toronto Clinical Scoring System scores and gait speed in diabetics. The mean ALFF/fALFF values of right SFGmed and the mean ALFF values of left ITG and right ORBsup were significantly differentiated between DPN and patients witht NDPN in receiver operating characteristic curve analysis. CONCLUSION Patients with DPN have abnormal brain activity in sensorimotor and cognitive brain areas, which may implicate the underlying neurophysiological mechanisms in intrinsic brain activity.
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Affiliation(s)
- Haotian Xin
- Department of Radiology, Shandong Provincial Hospital, Shandong University, Jinan, 250021, Shandong, China
| | - Yajie Fu
- Department of Radiology, Shandong Provincial Hospital, Shandong University, Jinan, 250021, Shandong, China
- Department of Medical Ultrasound, The First Affiliated Hospital of Shandong First Medical University & Shandong Provincial Qianfoshan Hospital, Shandong Medicine and Health Key Laboratory of Abdominal Medical Imaging, Jinan, 250014, China
| | - Mengmeng Feng
- Department of Radiology, Shandong Provincial Hospital, Shandong University, Jinan, 250021, Shandong, China
| | - Shengpei Wang
- Research Center for Brain-inspired Intelligence Institute of Automation, Chinese Academy of Sciences, Beijing, 100190, China
| | - Chaofan Sui
- Department of Radiology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, 250021, Shandong, China
| | - Yian Gao
- Department of Radiology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, 250021, Shandong, China
| | - Nan Zhang
- Department of Radiology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, 250021, Shandong, China
| | - Lingfei Guo
- Department of Radiology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, 250021, Shandong, China
| | - Hongwei Wen
- Key Laboratory of Cognition and Personality (Ministry of Education), Faculty of Psychology, Southwest University, Chongqing, 400715, China
| | - Changhu Liang
- Department of Radiology, Shandong Provincial Hospital, Shandong University, Jinan, 250021, Shandong, China
- Department of Radiology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, 250021, Shandong, China
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25
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Hamilton J, Nguyen C, McAvoy M, Roeder N, Richardson B, Quattrin T, Hajnal A, Thanos PK. Calorie restriction, but not Roux-en-Y gastric bypass surgery, increases [ 3 H] PK11195 binding in a rat model of obesity. Synapse 2023; 77:e22258. [PMID: 36352528 DOI: 10.1002/syn.22258] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2022] [Revised: 10/05/2022] [Accepted: 10/09/2022] [Indexed: 11/11/2022]
Abstract
Roux-en-Y gastric bypass surgery (RYGB) remains an effective weight-loss method used to treat obesity. While it is successful in combating obesity, there are many lingering questions related to the changes in the brain following RYGB surgery, one of them being its effects on neuroinflammation. While it is known that chronic high-fat diet (HFD) contributes to obesity and neuroinflammation, it remains to be understood whether bariatric surgery can ameliorate diet-induced inflammatory responses. To examine this, rats were assigned to either a normal diet (ND) or a HFD for 8 weeks. Rats fed a HFD were split into the following groups: sham surgery with ad libitum access to HFD (sham-HF); sham surgery with calorie-restricted HFD (sham-FR); RYGB surgery with ad libitum access to HFD (RYGB). Following sham or RYGB surgeries, rats were maintained on their diets for 9 weeks before being euthanized. [3 H] PK11195 autoradiography was then performed on fresh-frozen brain tissue in order to measure activated microglia. Sham-FR rats showed increased [3 H] PK11195 binding in the amygdala (63%), perirhinal (60%), and ectorhinal cortex (53%) compared with the ND rats. Obese rats who had the RYGB surgery did not show this increased inflammatory effect. Since the sham-FR and RYGB rats were fed the same amount of HFD, the surgery itself seems responsible for this attenuation in [3 H] PK11195 binding. We speculate that calorie restriction following obese conditions may be seen as a stressor and contribute to inflammation in the brain. Further research is needed to verify this mechanism.
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Affiliation(s)
- John Hamilton
- Behavioral Neuropharmacology and Neuroimaging Laboratory on Addictions (BNNLA), Clinical Research Institute on Addictions, Department of Pharmacology and Toxicology, Jacobs School of Medicine and Biomedical Sciences, University at Buffalo, Buffalo, New York, USA
| | - Cynthia Nguyen
- Behavioral Neuropharmacology and Neuroimaging Laboratory on Addictions (BNNLA), Clinical Research Institute on Addictions, Department of Pharmacology and Toxicology, Jacobs School of Medicine and Biomedical Sciences, University at Buffalo, Buffalo, New York, USA
| | - Margaret McAvoy
- Behavioral Neuropharmacology and Neuroimaging Laboratory on Addictions (BNNLA), Clinical Research Institute on Addictions, Department of Pharmacology and Toxicology, Jacobs School of Medicine and Biomedical Sciences, University at Buffalo, Buffalo, New York, USA
| | - Nicole Roeder
- Behavioral Neuropharmacology and Neuroimaging Laboratory on Addictions (BNNLA), Clinical Research Institute on Addictions, Department of Pharmacology and Toxicology, Jacobs School of Medicine and Biomedical Sciences, University at Buffalo, Buffalo, New York, USA.,Department of Psychology, University at Buffalo, Buffalo, New York, USA
| | - Brittany Richardson
- Behavioral Neuropharmacology and Neuroimaging Laboratory on Addictions (BNNLA), Clinical Research Institute on Addictions, Department of Pharmacology and Toxicology, Jacobs School of Medicine and Biomedical Sciences, University at Buffalo, Buffalo, New York, USA.,Department of Psychology, University at Buffalo, Buffalo, New York, USA
| | - Teresa Quattrin
- Department of Pediatrics, University at Buffalo, UBMD Pediatrics, JR Oishei Children's Hospital, Buffalo, New York, USA
| | - Andras Hajnal
- Department of Neural and Behavioral Sciences, The Pennsylvania State University College of Medicine, Hershey, Pennsylvania, USA
| | - Panayotis K Thanos
- Behavioral Neuropharmacology and Neuroimaging Laboratory on Addictions (BNNLA), Clinical Research Institute on Addictions, Department of Pharmacology and Toxicology, Jacobs School of Medicine and Biomedical Sciences, University at Buffalo, Buffalo, New York, USA.,Department of Psychology, University at Buffalo, Buffalo, New York, USA
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26
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Koban L, Wager TD, Kober H. A neuromarker for drug and food craving distinguishes drug users from non-users. Nat Neurosci 2023; 26:316-325. [PMID: 36536243 DOI: 10.1038/s41593-022-01228-w] [Citation(s) in RCA: 35] [Impact Index Per Article: 35.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2021] [Accepted: 11/01/2022] [Indexed: 12/24/2022]
Abstract
Craving is a core feature of substance use disorders. It is a strong predictor of substance use and relapse and is linked to overeating, gambling, and other maladaptive behaviors. Craving is measured via self-report, which is limited by introspective access and sociocultural contexts. Neurobiological markers of craving are both needed and lacking, and it remains unclear whether craving for drugs and food involve similar mechanisms. Across three functional magnetic resonance imaging studies (n = 99), we used machine learning to identify a cross-validated neuromarker that predicts self-reported intensity of cue-induced drug and food craving (P < 0.0002). This pattern, which we term the Neurobiological Craving Signature (NCS), includes ventromedial prefrontal and cingulate cortices, ventral striatum, temporal/parietal association areas, mediodorsal thalamus and cerebellum. Importantly, NCS responses to drug versus food cues discriminate drug users versus non-users with 82% accuracy. The NCS is also modulated by a self-regulation strategy. Transfer between separate neuromarkers for drug and food craving suggests shared neurobiological mechanisms. Future studies can assess the discriminant and convergent validity of the NCS and test whether it responds to clinical interventions and predicts long-term clinical outcomes.
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Affiliation(s)
- Leonie Koban
- Paris Brain Institute (ICM), Inserm, CNRS, Sorbonne Université, Paris, France.
- Centre de Recherche en Neurosciences de Lyon (CRNL), CNRS, INSERM, Université Claude Bernard Lyon 1, Bron, France.
| | - Tor D Wager
- Department of Psychological and Brain Sciences, Dartmouth College, Hanover, NH, USA.
| | - Hedy Kober
- Department of Psychiatry and Psychology, Yale University, New Haven, CT, USA.
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Personalized Dietary Advice to Increase Protein Intake in Older Adults Does Not Affect the Gut Microbiota, Appetite or Central Processing of Food Stimuli in Community-Dwelling Older Adults: A Six-Month Randomized Controlled Trial. Nutrients 2023; 15:nu15020332. [PMID: 36678203 PMCID: PMC9862486 DOI: 10.3390/nu15020332] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2022] [Revised: 12/30/2022] [Accepted: 01/03/2023] [Indexed: 01/11/2023] Open
Abstract
Expert groups argue to raise the recommended daily allowance for protein in older adults from 0.8 to 1.2 g/kg/day to prevent undernutrition. However, protein is thought to increase satiety, possibly through effects on gut microbiota and central appetite regulation. If true, raising daily protein intake may work counterproductively. In a randomized controlled trial, we evaluated the effects of dietary advice aimed at increasing protein intake to 1.2 g/kg adjusted body weight/day (g/kg aBW/day) on appetite and gut microbiota in 90 community-dwelling older adults with habitual protein intake <1.0 g/kg aBW/day (Nintervention = 47, Ncontrol = 43). Food intake was determined by 24-h dietary recalls and gut microbiota by 16S rRNA sequencing. Functional magnetic resonance imaging (fMRI) scans were performed in a subgroup of 48 participants to evaluate central nervous system responses to food-related stimuli. Both groups had mean baseline protein intake of 0.8 ± 0.2 g/kg aBW/day. At 6 months’ follow-up this increased to 1.2 ± 0.2 g/kg aBW/day for the intervention group and 0.9 ± 0.2 g/kg aBW/day for the control group. Microbiota composition was not affected, nor were appetite or brain activity in response to food-related stimuli. Increasing protein intake in older adults to 1.2 g/kg aBW/day does not negatively impact the gut microbiota or suppress appetite.
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Lee M, Park MJ, Lee KH, Kim JH, Choi HJ, Kim YH. Obesity mechanism after hypothalamic damage: Cohort analysis of neuroimaging, psychological, cognitive, and clinical phenotyping data. Front Endocrinol (Lausanne) 2023; 14:1114409. [PMID: 37056667 PMCID: PMC10086156 DOI: 10.3389/fendo.2023.1114409] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/02/2022] [Accepted: 03/01/2023] [Indexed: 03/30/2023] Open
Abstract
OBJECTIVE The hypothalamus regulates energy homeostasis, and its damage results in severe obesity. We aimed to investigate the multifaceted characteristics of hypothalamic obesity. METHODS We performed multidimensional analyses of brain structure/function and psychological and behavioral phenotypes in 29 patients with hypothalamic damage (HD) (craniopharyngioma) and 31 controls (non-functional pituitary adenoma). Patients underwent structural and functional magnetic resonance imaging and completed self-reports and cognitive tasks. RESULTS Patients with HD showed significantly higher postoperative weight gain than controls. The HD group also showed significant hypothalamic damage and lower neural activation in the left caudate nucleus in response to food images. The HD group had significantly higher food inattention, lower satiety, and higher restrained eating behavior. Within the HD group, higher restrained eating behavior was significantly associated with lower activation in the bilateral fusiform gyrus. CONCLUSION These results suggest that hypothalamic damage contributes to weight gain by altering the brain response, attention, satiety, and eating behaviors. The present study proposes novel neuro-psycho-behavioral mechanisms targeted for patients with hypothalamic obesity.
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Affiliation(s)
- Miwoo Lee
- Department of Biomedical Sciences, Seoul National University College of Medicine, Seoul, Republic of Korea
| | - Min-Jung Park
- Department of Neurosurgery, Seoul National University College of Medicine, Seoul, Republic of Korea
| | - Kyung Hwa Lee
- Division of Child and Adolescent Psychiatry, Department of Psychiatry, Seoul National University Hospital, Seoul, Republic of Korea
| | - Jung Hee Kim
- Pituitary Center, Seoul National University College of Medicine, Seoul, Republic of Korea
- Department of Internal Medicine, Seoul National University College of Medicine, Seoul, Republic of Korea
| | - Hyung Jin Choi
- Department of Biomedical Sciences, Seoul National University College of Medicine, Seoul, Republic of Korea
- *Correspondence: Yong Hwy Kim, ; Hyung Jin Choi,
| | - Yong Hwy Kim
- Department of Neurosurgery, Seoul National University College of Medicine, Seoul, Republic of Korea
- Pituitary Center, Seoul National University College of Medicine, Seoul, Republic of Korea
- *Correspondence: Yong Hwy Kim, ; Hyung Jin Choi,
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Angelidi AM, Kokkinos A, Sanoudou D, Connelly MA, Alexandrou A, Mingrone G, Mantzoros CS. Early metabolomic, lipid and lipoprotein changes in response to medical and surgical therapeutic approaches to obesity. Metabolism 2023; 138:155346. [PMID: 36375643 DOI: 10.1016/j.metabol.2022.155346] [Citation(s) in RCA: 19] [Impact Index Per Article: 19.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/23/2022] [Revised: 10/20/2022] [Accepted: 11/08/2022] [Indexed: 11/13/2022]
Abstract
BACKGROUND Glucagon-like peptide-1 receptor agonists (GLP-1RA) and bariatric surgery have proven to be effective treatments for obesity and cardiometabolic conditions. We aimed to explore the early metabolomic changes in response to GLP-1RA (liraglutide) therapy vs. placebo and in comparison to bariatric surgery. METHODS Three clinical studies were conducted: a bariatric surgery cohort study of participants with morbid obesity who underwent either Roux-en-Y gastric bypass (RYGB) or sleeve gastrectomy (SG) studied over four and twelve weeks, and two randomized placebo-controlled, crossover double blind studies of liraglutide vs. placebo administration in participants with type 2 diabetes (T2D) and participants with obesity studied for three and five weeks, respectively. Nuclear magnetic resonance spectroscopy-derived metabolomic data were assessed in all eligible participants who completed all the scheduled in-clinic visits. The primary outcome of the study was to explore the changes of the metabolome among participants with obesity with and without T2D receiving the GLP-1RA liraglutide vs. placebo and participants with obesity undergoing bariatric surgery during the three to five-week study period. In addition, we assessed the bariatric surgery effects longitudinally over the twelve weeks of the study and the differences between the bariatric surgery subgroups on the metabolome. The trials are registered with ClinicalTrials.gov, numbers NCT03851874, NCT01562678 and NCT02944500. RESULTS Bariatric surgery had a more pronounced effect on weight and body mass index reduction (-14.19 ± 5.27 kg and - 5.19 ± 5.27, respectively, p < 0.001 for both) and resulted in more pronounced metabolomic and lipidomic changes compared to liraglutide therapy at four weeks postoperatively. Significant changes were observed in lipoprotein parameters, inflammatory markers, ketone bodies, citrate, and branched-chain amino acids after the first three to five weeks of intervention. After adjusting for the amount of weight loss, a significant difference among the study groups remained only for acetoacetate, β-hydroxybutyrate, and citrate (p < 0.05 after FDR correction). Glucose levels were significantly reduced in all intervention groups but mainly in the T2D group receiving GLP-1RA treatment. After adjusting for weight loss, only glucose levels remained significant (p = 0.001 after FDR correction), mainly due to the glucose change in the T2D group receiving GLP-1RA. Similar results with those observed at four weeks were observed in the surgical group when delta changes at twelve weeks were assessed. Comparing the two types of bariatric surgery, an intervention effect was more pronounced in the RYGB subgroup regarding total triglycerides, triglyceride-rich lipoprotein size, and trimethylamine-N-oxide (p for intervention: 0.031, 0.028, 0.036, respectively). However, after applying FDR correction, these changes deemed to be only suggestive; only time effects remained significant with no significant changes persisting in relation to the types of bariatric surgery. CONCLUSIONS The results of this study suggest that the early metabolomic, lipid and lipoprotein changes observed between liraglutide treatment and bariatric surgery are similar and result largely from the changes in patients' body weight. Specific changes observed in the short-term post-surgical period between bariatric vs. nonsurgical treated participants, i.e., acetoacetate, β-hydroxybutyrate, and citrate changes, may reflect changes in patient diets and calorie intake indicating potential calorie and diet-driven metabolomics/lipidomic effects in the short-term postoperatively. Significant differences observed between SG and RYGB need to be confirmed and extended by future studies.
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Affiliation(s)
- Angeliki M Angelidi
- Department of Medicine, Division of Endocrinology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA 02215, USA; Section of Endocrinology, VA Boston Healthcare System, Jamaica Plain, MA 02130, United States
| | - Alexander Kokkinos
- First Department of Propaedeutic Internal Medicine, School of Medicine, National and Kapodistrian University of Athens, Greece
| | - Despina Sanoudou
- Clinical Genomics and Pharmacogenomics Unit, 4(th) Department of Internal Medicine, Attikon Hospital, Medical School, National and Kapodistrian University of Athens; Molecular Biology Division, Biomedical Research Foundation of the Academy of Athens, Athens 11527, Greece
| | | | - Andreas Alexandrou
- First Department of Surgery of the National and Kapodistrian University of Athens, Greece
| | - Geltrude Mingrone
- Department of Medical and Surgery Sciences, Fondazione Policlinico Universitario Agostino Gemelli IRCCS, Rome, Italy; Department of Diabetes, Università Cattolica del Sacro Cuore Rome, Rome 00168, Italy; Division of Diabetes and Nutritional Sciences, Faculty of Life Sciences and Medicine, King's College London, London, UK
| | - Christos S Mantzoros
- Department of Medicine, Division of Endocrinology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA 02215, USA; Section of Endocrinology, VA Boston Healthcare System, Jamaica Plain, MA 02130, United States.
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30
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Tee CCL, Cooke MB, Chong MC, Yeo WK, Camera DM. Mechanisms for Combined Hypoxic Conditioning and Divergent Exercise Modes to Regulate Inflammation, Body Composition, Appetite, and Blood Glucose Homeostasis in Overweight and Obese Adults: A Narrative Review. Sports Med 2023; 53:327-348. [PMID: 36441492 PMCID: PMC9877079 DOI: 10.1007/s40279-022-01782-0] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/09/2022] [Indexed: 11/29/2022]
Abstract
Obesity is a major global health issue and a primary risk factor for metabolic-related disorders. While physical inactivity is one of the main contributors to obesity, it is a modifiable risk factor with exercise training as an established non-pharmacological treatment to prevent the onset of metabolic-related disorders, including obesity. Exposure to hypoxia via normobaric hypoxia (simulated altitude via reduced inspired oxygen fraction), termed hypoxic conditioning, in combination with exercise has been increasingly shown in the last decade to enhance blood glucose regulation and decrease the body mass index, providing a feasible strategy to treat obesity. However, there is no current consensus in the literature regarding the optimal combination of exercise variables such as the mode, duration, and intensity of exercise, as well as the level of hypoxia to maximize fat loss and overall body compositional changes with hypoxic conditioning. In this narrative review, we discuss the effects of such diverse exercise and hypoxic variables on the systematic and myocellular mechanisms, along with physiological responses, implicated in the development of obesity. These include markers of appetite regulation and inflammation, body conformational changes, and blood glucose regulation. As such, we consolidate findings from human studies to provide greater clarity for implementing hypoxic conditioning with exercise as a safe, practical, and effective treatment strategy for obesity.
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Affiliation(s)
- Chris Chow Li Tee
- Division of Research and Innovation, National Sports Institute of Malaysia, Kuala Lumpur, Malaysia
- Sport and Exercise Medicine Group, Swinburne University, Room SPW224, Mail H21, PO Box 218, Hawthorn, VIC, 3122, Australia
| | - Matthew B Cooke
- Sport and Exercise Medicine Group, Swinburne University, Room SPW224, Mail H21, PO Box 218, Hawthorn, VIC, 3122, Australia
| | - Mee Chee Chong
- Sport and Exercise Medicine Group, Swinburne University, Room SPW224, Mail H21, PO Box 218, Hawthorn, VIC, 3122, Australia
| | - Wee Kian Yeo
- Division of Research and Innovation, National Sports Institute of Malaysia, Kuala Lumpur, Malaysia
| | - Donny M Camera
- Sport and Exercise Medicine Group, Swinburne University, Room SPW224, Mail H21, PO Box 218, Hawthorn, VIC, 3122, Australia.
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Rendell MS. Obesity and diabetes: the final frontier. Expert Rev Endocrinol Metab 2023; 18:81-94. [PMID: 36710450 DOI: 10.1080/17446651.2023.2168643] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/28/2022] [Accepted: 01/11/2023] [Indexed: 01/14/2023]
Abstract
INTRODUCTION Obesity is a key target in the treatment and prevention of diabetes and independently to reduce the burden of cardiovascular disease. We reviewed the options now available and anticipated to deal with obesity. AREAS COVERED We considered the epidemiology, genetics, and causation of obesity and the relationship to diabetes, and the dietary, pharmaceutical, and surgical management of the condition. The literature search covered both popular media via Google Search and the academic literature as indexed on PubMed with search terms including obesity, childhood obesity, adipocytes, insulin resistance, mechanisms of satiety, bariatric surgery, GLP-1 receptor agonists, and SGLT2 inhibitors. EXPERT OPINION Although bariatric surgery has been the primary approach to treating obese individuals, the emergence of agents impacting the brain satiety centers now promises effective, non-invasive treatment of obesity for individuals with and without diabetes. The GLP-1 receptor agonists have assumed the primary role in treating obesity with significant weight loss. Long-term results with semaglutide and tirzepatide are now approaching the success seen with bariatric surgery. Future agents combining the benefits of satiety control and thermogenesis to dissipate caloric excess are under investigation.
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Affiliation(s)
- Marc S Rendell
- The Association of Diabetes Investigators, Newport Coast, CA, USA
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32
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Rodrigues B, Portugal-Nunes C, Magalhães R, Schmidt L, Moreira PS, Soares JM, Castanho TC, Marques P, Sousa N, Santos NC. Larger dlPFC and vmPFC grey matter volumes are associated with high adherence to the Mediterranean diet: A cross-sectional study in older adults. AGING BRAIN 2023; 3:100064. [PMID: 36911265 PMCID: PMC9997170 DOI: 10.1016/j.nbas.2023.100064] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2022] [Revised: 01/03/2023] [Accepted: 01/04/2023] [Indexed: 01/19/2023] Open
Abstract
Dietary self-control is associated with inter-individual differences in neuroanatomy. Yet, whether such inter-individual differences are also associated with healthier dietary patterns is yet to be determined. In this cross-sectional study, a total of 100 northern Portuguese older community-dwellers were assessed with regards to i) the adherence to a healthy dietary eating pattern - the Mediterranean diet (MedDiet), and ii) grey matter density (GMD) of brain regions associated with valuation and dietary self-regulation, the ventromedial (vmPFC) and dorsolateral prefrontal cortex (dlPFC), through voxel-based morphometry. Healthy food choices were ascertained through the Mediterranean Diet Adherence Screener (MEDAS) where higher scores indicated greater adherence to the MedDiet. Voxel-based morphometry showed that greater grey matter density in the dlPFC and vmPFC associated with a higher adherence to the MedDiet. These results replicate previous links between dietary decision-making measured under laboratory conditions and the neuroanatomy of the brain's valuation and self-control system. Importantly, they shed new light on the potential relevance of inter-individual differences in the neuroanatomy of these two brain regions for adhering to healthier dietary patterns in everyday life.
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Affiliation(s)
- Belina Rodrigues
- Life and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho, Braga, Portugal.,ICVS/3B's, PT Government Associate Laboratory, Braga/Guimarães, Portugal.,Clinical Academic Center - Braga, Braga, Portugal
| | - Carlos Portugal-Nunes
- Life and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho, Braga, Portugal.,ICVS/3B's, PT Government Associate Laboratory, Braga/Guimarães, Portugal.,Clinical Academic Center - Braga, Braga, Portugal
| | - Ricardo Magalhães
- Life and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho, Braga, Portugal.,ICVS/3B's, PT Government Associate Laboratory, Braga/Guimarães, Portugal.,Clinical Academic Center - Braga, Braga, Portugal
| | - Liane Schmidt
- Control-Interoception-Attention (CIA) Team, Paris Brain Institute, Inserm/CNRS/Sorbonne University, UMR 7225/U1127, Hôpital Pitié-Salpêtrière, Paris, France
| | - Pedro Silva Moreira
- Life and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho, Braga, Portugal.,ICVS/3B's, PT Government Associate Laboratory, Braga/Guimarães, Portugal.,Clinical Academic Center - Braga, Braga, Portugal
| | - José Miguel Soares
- Life and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho, Braga, Portugal.,ICVS/3B's, PT Government Associate Laboratory, Braga/Guimarães, Portugal.,Clinical Academic Center - Braga, Braga, Portugal
| | - Teresa Costa Castanho
- Life and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho, Braga, Portugal.,ICVS/3B's, PT Government Associate Laboratory, Braga/Guimarães, Portugal.,Clinical Academic Center - Braga, Braga, Portugal.,Association P5 Digital Medical Centre, School of Medicine, University of Minho, Braga, Portugal
| | - Paulo Marques
- Life and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho, Braga, Portugal.,ICVS/3B's, PT Government Associate Laboratory, Braga/Guimarães, Portugal.,Clinical Academic Center - Braga, Braga, Portugal
| | - Nuno Sousa
- Life and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho, Braga, Portugal.,ICVS/3B's, PT Government Associate Laboratory, Braga/Guimarães, Portugal.,Clinical Academic Center - Braga, Braga, Portugal.,Association P5 Digital Medical Centre, School of Medicine, University of Minho, Braga, Portugal
| | - Nadine Correia Santos
- Life and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho, Braga, Portugal.,ICVS/3B's, PT Government Associate Laboratory, Braga/Guimarães, Portugal.,Clinical Academic Center - Braga, Braga, Portugal.,Association P5 Digital Medical Centre, School of Medicine, University of Minho, Braga, Portugal
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Chen X, Li W, Qin J, Gao X, Liu Y, Song S, Huang Y, Chen H. Gray matter volume and functional connectivity underlying binge eating in healthy children. Eat Weight Disord 2022; 27:3469-3478. [PMID: 36223059 DOI: 10.1007/s40519-022-01483-7] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/08/2022] [Accepted: 09/14/2022] [Indexed: 01/04/2023] Open
Abstract
PURPOSE As a maladaptive disordered eating behavior, binge eating (BE) onset has been reported in children as young as eight years old and is linked with a range of negative psychological consequences. However, previous neuroimaging research of BE has mainly focused on adults in clinical conditions, and little is known about the potential neurostructural and neurofunctional bases of BE in healthy children. METHODS In this study, we examined these issues in 76 primary school students (mean age = 9.86 years) using voxel-based morphometry and resting-state functional connectivity (rsFC) approaches. RESULTS After controlling for age, sex, and total intracranial volume/head motion, we observed that higher levels of BE were correlated with greater gray matter volumes (GMV) in the left fusiform and right insula and weaker rsFC between the right insula and following three regions: right orbital frontal cortex, left cingulate gyrus, and left superior frontal gyrus. No significant associations were observed between BE and regional white matter volume. Significant sex differences were found only in the relationship between BE and GMV in the left fusiform. Furthermore, the GMV- and rsFC-based predictive models (a machine-learning method) achieved significant correlations between the actual and predicted BE values, demonstrating the robustness of our findings. CONCLUSION The present study provides novel evidence for the brain structural and functional substrates of children's BE, and further reveals that the weakened communication between core regions associated with negative affectivity, reward responsivity, and executive function is strongly related to dysregulated eating. LEVEL OF EVIDENCE Level V, descriptive study.
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Affiliation(s)
- Ximei Chen
- Key Laboratory of Cognition and Personality, Ministry of Education, Faculty of Psychology, Southwest University, No. 2, Tiansheng Road, Beibei District, Chongqing, 400715, China
| | - Wei Li
- Key Laboratory of Cognition and Personality, Ministry of Education, Faculty of Psychology, Southwest University, No. 2, Tiansheng Road, Beibei District, Chongqing, 400715, China
| | - Jingmin Qin
- Key Laboratory of Cognition and Personality, Ministry of Education, Faculty of Psychology, Southwest University, No. 2, Tiansheng Road, Beibei District, Chongqing, 400715, China
| | - Xiao Gao
- Key Laboratory of Cognition and Personality, Ministry of Education, Faculty of Psychology, Southwest University, No. 2, Tiansheng Road, Beibei District, Chongqing, 400715, China
| | - Yong Liu
- Key Laboratory of Cognition and Personality, Ministry of Education, Faculty of Psychology, Southwest University, No. 2, Tiansheng Road, Beibei District, Chongqing, 400715, China
| | - Shiqing Song
- Key Laboratory of Cognition and Personality, Ministry of Education, Faculty of Psychology, Southwest University, No. 2, Tiansheng Road, Beibei District, Chongqing, 400715, China
| | - Yufei Huang
- Key Laboratory of Cognition and Personality, Ministry of Education, Faculty of Psychology, Southwest University, No. 2, Tiansheng Road, Beibei District, Chongqing, 400715, China
| | - Hong Chen
- Key Laboratory of Cognition and Personality, Ministry of Education, Faculty of Psychology, Southwest University, No. 2, Tiansheng Road, Beibei District, Chongqing, 400715, China.
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Christensen SM, Varney C, Gupta V, Wenz L, Bays HE. Stress, psychiatric disease, and obesity: An Obesity Medicine Association (OMA) Clinical Practice Statement (CPS) 2022. OBESITY PILLARS (ONLINE) 2022; 4:100041. [PMID: 37990662 PMCID: PMC10662113 DOI: 10.1016/j.obpill.2022.100041] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/30/2022] [Accepted: 10/30/2022] [Indexed: 11/23/2023]
Abstract
Background Previous Obesity Medicine Association (OMA) Clinical Practice Statements (CPS) included topics such as behavior modification, motivational interviewing, and eating disorders, as well as the effect of concomitant medications on weight gain/reduction (i.e., including psychiatric medications). This OMA CPS provides clinicians a more focused overview of stress and psychiatric disease as they relate to obesity. Methods The scientific support for this CPS is based upon published citations, clinical perspectives of OMA authors, and peer review by the Obesity Medicine Association leadership. Results Topics in this CPS include the relationship between psychological stress and obesity, including both acute and chronic stress. Additionally, this CPS describes the neurobiological pathways regarding stress and addiction-like eating behavior and explores the relationship between psychiatric disease and obesity, with an overview of psychiatric medications and their potential effects on weight gain and weight reduction. Conclusions This Obesity Medicine Association (OMA) Clinical Practice Statement (CPS) on stress and psychiatric disease is one of a series of OMA CPSs designed to assist clinicians in the care of patients with the disease of obesity. Knowledge of stress, addiction-like eating behavior, psychiatric disease, and effects of psychiatric medications on body weight may improve the care obesity medicine clinicians provide to their patients with obesity.
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Affiliation(s)
- Sandra M. Christensen
- Integrative Medical Weight Management, 2611 NE 125th St., Suite 100B, Seattle, WA, 98125, USA
| | - Catherine Varney
- University of Virginia School of Medicine, Department of Family Medicine, University of Virginia Bariatric Surgery, PO BOX 800729, Charlottesville, VA, 22908, USA
| | - Vivek Gupta
- 510 N Prospect Suite 301, Redondo Beach, California, 90277, USA
| | - Lori Wenz
- St. Mary's Bariatric and Metabolic Surgery Clinic, 2440 N 11th St, Grand Junction, CO, 81501, USA
- Comprehensive Weight Management, Cayucos, CA, USA
| | - Harold Edward Bays
- Louisville Metabolic and Atherosclerosis Research Center, University of Louisville School of Medicine, 3288 Illinois Avenue, Louisville, KY, 40213, USA
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Wu H, Dai G, Aizezi M, Tang J, Zou K, Wu Y, Wu X. Gray matter reduction in bilateral insula mediating adverse psychiatric effects of body mass index in schizophrenia. BMC Psychiatry 2022; 22:639. [PMID: 36221050 PMCID: PMC9552355 DOI: 10.1186/s12888-022-04285-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/02/2022] [Accepted: 09/26/2022] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Both schizophrenia (SZ) and overweight/obesity (OWB) have shown some structural alterations in similar brain regions. As higher body mass index (BMI) often contributes to worse psychiatric outcomes in SZ, this study was designed to examine the effects of OWB on gray matter volume (GMV) in patients with SZ. METHODS Two hundred fifty subjects were included and stratified into four groups (n = 69, SZ patients with OWB, SZ-OWB; n = 74, SZ patients with normal weight, SZ-NW; n = 54, healthy controls with OWB, HC-OWB; and n = 53, HC with NW, HC-NW). All participants were scanned using high-resolution T1-weighted sequence. The whole-brain voxel-based morphometry was applied to examine the GMV alterations, and a 2 × 2 full factorial analysis of variance was performed to identify the main effects of diagnosis (SZ vs HC), BMI (NW vs OWB) factors, and their interactions. Further, the post hoc analysis was conducted to compare the pairwise differences in GMV alterations. RESULTS The main effects of diagnosis were located in right hippocampus, bilateral insula, rectus, median cingulate/paracingulate gyri and thalamus (SZ < HC); while the main effects of BMI were displayed in right amygdala, left hippocampus, bilateral insula, left lingual gyrus, and right superior temporal gyrus (OWB < NW). There were no significant diagnosis-by-BMI interaction effects in the present study, but the results showed that both SZ and OWB were additively associated with lower GMV in bilateral insula. Moreover, mediation analyses revealed the indirect effect of BMI on negative symptom via GMV reduction in bilateral insula. CONCLUSION This study further supports that higher BMI is associated with lower GMV, which may increase the risk of unfavourable disease courses in SZ.
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Affiliation(s)
- Hui Wu
- grid.412558.f0000 0004 1762 1794Psychiatry Department, The Third Affiliated Hospital of Sun Yat-Sen University, 600 Tianhe Road, Tianhe District, Guangzhou, Guangdong China ,The Affiliated Kashi Hospital of Sun Yat-Sen University, Kashi, China
| | - Guochao Dai
- The Affiliated Kashi Hospital of Sun Yat-Sen University, Kashi, China ,Radiology Department, The First People’s Hospital of Kashi Prefecture, Kashi, China
| | - Muyeseer Aizezi
- The Affiliated Kashi Hospital of Sun Yat-Sen University, Kashi, China ,Psychiatry Department, The First People’s Hospital of Kashi Prefecture, 120 Yingbin Avenue, Kashi, Xinjiang China
| | - Juan Tang
- The Affiliated Kashi Hospital of Sun Yat-Sen University, Kashi, China ,Psychiatry Department, The First People’s Hospital of Kashi Prefecture, 120 Yingbin Avenue, Kashi, Xinjiang China
| | - Ke Zou
- The Affiliated Kashi Hospital of Sun Yat-Sen University, Kashi, China ,Radiology Department, The First People’s Hospital of Kashi Prefecture, Kashi, China
| | - Yuhua Wu
- The Affiliated Kashi Hospital of Sun Yat-Sen University, Kashi, China. .,Psychiatry Department, The First People's Hospital of Kashi Prefecture, 120 Yingbin Avenue, Kashi, Xinjiang, China.
| | - Xiaoli Wu
- Psychiatry Department, The Third Affiliated Hospital of Sun Yat-Sen University, 600 Tianhe Road, Tianhe District, Guangzhou, Guangdong, China. .,The Affiliated Kashi Hospital of Sun Yat-Sen University, Kashi, China.
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Carnell S, Benson L, Papantoni A, Chen L, Huo Y, Wang Z, Peterson BS, Geliebter A. Obesity and acute stress modulate appetite and neural responses in food word reactivity task. PLoS One 2022; 17:e0271915. [PMID: 36170275 PMCID: PMC9518890 DOI: 10.1371/journal.pone.0271915] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2021] [Accepted: 07/08/2022] [Indexed: 11/18/2022] Open
Abstract
Obesity can result from excess intake in response to environmental food cues, and stress can drive greater intake and body weight. We used a novel fMRI task to explore how obesity and stress influenced appetitive responses to relatively minimal food cues (words representing food items, presented similarly to a chalkboard menu). Twenty-nine adults (16F, 13M), 17 of whom had obesity and 12 of whom were lean, completed two fMRI scans, one following a combined social and physiological stressor and the other following a control task. A food word reactivity task assessed subjective food approach (wanting) as well as food avoidant (restraint) responses, along with neural responses, to words denoting high energy-density (ED) foods, low-ED foods, and non-foods. A multi-item ad-libitum meal followed each scan. The obese and lean groups demonstrated differences as well as similarities in activation of appetitive and attention/self-regulation systems in response to food vs. non-food, and to high-ED vs. low-ED food words. Patterns of activation were largely similar across stress and non-stress conditions, with some evidence for differences between conditions within both obese and lean groups. The obese group ate more than the lean group in both conditions. Our results suggest that neural responses to minimal food cues in stressed and non-stressed states may contribute to excess consumption and adiposity.
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Affiliation(s)
- Susan Carnell
- Division of Child and Adolescent Psychiatry, Department of Psychiatry and Behavioral Sciences, Johns Hopkins University School of Medicine, Baltimore, MD, United States of America
- * E-mail:
| | - Leora Benson
- Division of Child and Adolescent Psychiatry, Department of Psychiatry and Behavioral Sciences, Johns Hopkins University School of Medicine, Baltimore, MD, United States of America
| | - Afroditi Papantoni
- Division of Child and Adolescent Psychiatry, Department of Psychiatry and Behavioral Sciences, Johns Hopkins University School of Medicine, Baltimore, MD, United States of America
| | - Liuyi Chen
- Division of Child and Adolescent Psychiatry, Department of Psychiatry and Behavioral Sciences, Johns Hopkins University School of Medicine, Baltimore, MD, United States of America
| | - Yuankai Huo
- Department of Psychiatry, Columbia University Medical Center, New York, NY, United States of America
| | - Zhishun Wang
- Department of Psychiatry, Columbia University Medical Center, New York, NY, United States of America
| | - Bradley S. Peterson
- Children’s Hospital Los Angeles and Department of Psychiatry at Keck School of Medicine, University of Southern California, Los Angeles, CA, United States of America
| | - Allan Geliebter
- Mt Sinai St. Luke’s Hospital and Department of Psychiatry, Icahn School of Medicine at Mt Sinai, New York, NY, United States of America
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Ester T, Kullmann S. Neurobiological regulation of eating behavior: Evidence based on non-invasive brain stimulation. Rev Endocr Metab Disord 2022; 23:753-772. [PMID: 34862944 PMCID: PMC9307556 DOI: 10.1007/s11154-021-09697-3] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 11/15/2021] [Indexed: 12/28/2022]
Abstract
The prefrontal cortex is appreciated as a key neurobiological player in human eating behavior. A special focus is herein dedicated to the dorsolateral prefrontal cortex (DLPFC), which is critically involved in executive function such as cognitive control over eating. Persons with obesity display hypoactivity in this brain area, which is linked to overconsumption and food craving. Contrary to that, higher activity in the DLPFC is associated with successful weight-loss and weight-maintenance. Transcranial direct current stimulation (tDCS) is a non-invasive neurostimulation tool used to enhance self-control and inhibitory control. The number of studies using tDCS to influence eating behavior rapidly increased in the last years. However, the effectiveness of tDCS is still unclear, as studies show mixed results and individual differences were shown to be an important factor in the effectiveness of non-invasive brain stimulation. Here, we describe the current state of research of human studies using tDCS to influence food intake, food craving, subjective feeling of hunger and body weight. Excitatory stimulation of the right DLPFC seems most promising to reduce food cravings to highly palatable food, while other studies provide evidence that stimulating the left DLPFC shows promising effects on weight loss and weight maintenance, especially in multisession approaches. Overall, the reported findings are heterogeneous pointing to large interindividual differences in tDCS responsiveness.
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Affiliation(s)
- Theresa Ester
- Institute for Diabetes Research and Metabolic Diseases of the Helmholtz Center Munich at the University of Tübingen, Tübingen, Germany.
- German Center of Diabetes Research (DZD), Tübingen, Germany.
| | - Stephanie Kullmann
- Institute for Diabetes Research and Metabolic Diseases of the Helmholtz Center Munich at the University of Tübingen, Tübingen, Germany.
- German Center of Diabetes Research (DZD), Tübingen, Germany.
- Department of Internal Medicine, Division of Endocrinology, Diabetology and Nephrology, Ebehard Karls University Tübingen, Tübingen, Germany.
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Luckhoff HK, Asmal L, Scheffler F, Phahladira L, Smit R, van den Heuvel L, Fouche JP, Seedat S, Emsley R, du Plessis S. Associations between BMI and brain structures involved in food intake regulation in first-episode schizophrenia spectrum disorders and healthy controls. J Psychiatr Res 2022; 152:250-259. [PMID: 35753245 DOI: 10.1016/j.jpsychires.2022.06.024] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/01/2022] [Revised: 06/04/2022] [Accepted: 06/10/2022] [Indexed: 11/28/2022]
Abstract
Structural brain differences have been described in first-episode schizophrenia spectrum disorders (FES), and often overlap with those evident in the metabolic syndrome (MetS). We examined the associations between body mass index (BMI) and brain structures involved in food intake regulation in minimally treated FES patients (n = 117) compared to healthy controls (n = 117). The effects of FES diagnosis, BMI and their interactions on our selected prefrontal cortical thickness and subcortical gray matter volume regions of interest (ROIs) were investigated with hierarchical multivariate regressions, followed by post-hoc regressions for the individual ROIs. In a secondary analysis, we examined the relationships of other MetS risk factors and psychopathology with the brain ROIs. Both illness and BMI significantly predicted the grouped prefrontal cortical thickness ROIs, whereas only BMI predicted the grouped subcortical volume ROIs. For the individual ROIs, schizophrenia diagnosis predicted thinner left and right frontal pole and right lateral OFC thickness, and increased BMI predicted thinner left and right caudal ACC thickness. There were no significant main or interaction effects for diagnosis and BMI on any of the individual subcortical volume ROIs. Secondary analyses suggest associations between several brain ROIs and individual MetS risk factors, but not with psychopathology. Our findings indicate differential, independent effects for FES diagnosis and BMI on brain structures. Limited evidence suggests that the BMI effects are more prominent in FES. Exploratory analyses suggest associations between other MetS risk factors and some brain ROIs.
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Affiliation(s)
- H K Luckhoff
- Department of Psychiatry, Faculty of Medicine and Health Sciences, Stellenbosch University, Cape Town, 7550, South Africa.
| | - L Asmal
- Department of Psychiatry, Faculty of Medicine and Health Sciences, Stellenbosch University, Cape Town, 7550, South Africa
| | - F Scheffler
- Department of Psychiatry, Faculty of Medicine and Health Sciences, Stellenbosch University, Cape Town, 7550, South Africa
| | - L Phahladira
- Department of Psychiatry, Faculty of Medicine and Health Sciences, Stellenbosch University, Cape Town, 7550, South Africa
| | - R Smit
- Department of Psychiatry, Faculty of Medicine and Health Sciences, Stellenbosch University, Cape Town, 7550, South Africa
| | - L van den Heuvel
- South African Medical Research Council, Stellenbosch University Genomics of Brain Disorders Research Unit, Department of Psychiatry, Faculty of Medicine and Health Sciences, Stellenbosch University, Cape Town, 7550, South Africa
| | - J P Fouche
- South African Medical Research Council, Stellenbosch University Genomics of Brain Disorders Research Unit, Department of Psychiatry, Faculty of Medicine and Health Sciences, Stellenbosch University, Cape Town, 7550, South Africa
| | - S Seedat
- Department of Psychiatry, Faculty of Medicine and Health Sciences, Stellenbosch University, Cape Town, 7550, South Africa
| | - R Emsley
- Department of Psychiatry, Faculty of Medicine and Health Sciences, Stellenbosch University, Cape Town, 7550, South Africa
| | - S du Plessis
- Department of Psychiatry, Faculty of Medicine and Health Sciences, Stellenbosch University, Cape Town, 7550, South Africa
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Functional Magnetic Resonance Imaging and Obesity-Novel Ways to Seen the Unseen. J Clin Med 2022; 11:jcm11123561. [PMID: 35743630 PMCID: PMC9225018 DOI: 10.3390/jcm11123561] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2022] [Revised: 06/15/2022] [Accepted: 06/17/2022] [Indexed: 02/04/2023] Open
Abstract
Obesity remains a pandemic of the 21st century. While there are many causes of obesity and potential treatments that are currently known, source data indicate that the number of patients is constantly increasing. Neural mechanisms have become the subject of research and there has been an introduction of functional magnetic resonance imaging in obesity-associated altered neural signaling. Functional magnetic resonance imaging has been established as the gold standard in the assessment of neuronal functions related to nutrition. Thanks to this, it has become possible to delineate those regions of the brain that show altered activity in obese individuals. An integrative review of the literature was conducted using the keywords ““functional neuroimaging” OR “functional magnetic resonance “OR “fmri” and “obesity” and “reward circuit and obesity” in PubMed and Google Scholar databases from 2017 through May 2022. Results in English and using functional magnetic resonance imaging to evaluate brain response to diet and food images were identified. The results from functional magnetic resonance imaging may help to identify relationships between neuronal mechanisms and causes of obesity. Furthermore, they may provide a substrate for etiology-based treatment and provide new opportunities for the development of obesity pharmacotherapy.
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Brugaletta G, Greene E, Ramser A, Maynard CW, Tabler TW, Sirri F, Anthony NB, Orlowski S, Dridi S. Effect of Cyclic Heat Stress on Hypothalamic Oxygen Homeostasis and Inflammatory State in the Jungle Fowl and Three Broiler-Based Research Lines. Front Vet Sci 2022; 9:905225. [PMID: 35692291 PMCID: PMC9174949 DOI: 10.3389/fvets.2022.905225] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2022] [Accepted: 04/20/2022] [Indexed: 11/23/2022] Open
Abstract
Heat stress (HS) is devastating to poultry production sustainability due its detrimental effects on performance, welfare, meat quality, and profitability. One of the most known negative effects of HS is feed intake depression, which is more pronounced in modern high-performing broilers compared to their ancestor unselected birds, yet the underlying molecular mechanisms are not fully defined. The present study aimed, therefore, to determine the hypothalamic expression of a newly involved pathway, hypoxia/oxygen homeostasis, in heat-stressed broiler-based research lines and jungle fowl. Three populations of broilers (slow growing ACRB developed in 1956, moderate growing 95RB from broilers available in 1995, and modern fast growing MRB from 2015) and unselected Jungle fowl birds were exposed to cyclic heat stress (36°C, 9 h/day for 4 weeks) in a 2 × 4 factorial experimental design. Total RNAs and proteins were extracted from the hypothalamic tissues and the expression of target genes and proteins was determined by real-time quantitative PCR and Western blot, respectively. It has been previously shown that HS increased core body temperature and decreased feed intake in 95RB and MRB, but not in ACRB or JF. HS exposure did not affect the hypothalamic expression of HIF complex, however there was a line effect for HIF-1α (P = 0.02) with higher expression in JF under heat stress. HS significantly up regulated the hypothalamic expression of hemoglobin subunits (HBA1, HBBR, HBE, HBZ), and HJV in ACRB, HBA1 and HJV in 95RB and MRB, and HJV in JF, but it down regulated FPN1 in JF. Additionally, HS altered the hypothalamic expression of oxygen homeostasis- up and down-stream signaling cascades. Phospho-AMPKThr172 was activated by HS in JF hypothalamus, but it decreased in that of the broiler-based research lines. Under thermoneutral conditions, p-AMPKThr172 was higher in broiler-based research lines compared to JF. Ribosomal protein S6K1, however, was significantly upregulated in 95RB and MRB under both environmental conditions. HS significantly upregulated the hypothalamic expression of NF-κB2 in MRB, RelB, and TNFα in ACRB, abut it down regulated RelA in 95RB. The regulation of HSPs by HS seems to be family- and line-dependent. HS upregulated the hypothalamic expression of HSP60 in ACRB and 95RB, down regulated HSP90 in JF only, and decreased HSP70 in all studied lines. Taken together, this is the first report showing that HS modulated the hypothalamic expression of hypoxia- and oxygen homeostasis-associated genes as well as their up- and down-stream mediators in chickens, and suggests that hypoxia, thermotolerance, and feed intake are interconnected, which merit further in-depth investigations.
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Affiliation(s)
- Giorgio Brugaletta
- Department of Poultry Science, Center of Excellence for Poultry Science, University of Arkansas, Fayetteville, AR, United States
- Department of Agricultural and Food Sciences, Alma Mater Studiorum – University of Bologna, Bologna, Italy
| | - Elizabeth Greene
- Department of Poultry Science, Center of Excellence for Poultry Science, University of Arkansas, Fayetteville, AR, United States
| | - Alison Ramser
- Department of Poultry Science, Center of Excellence for Poultry Science, University of Arkansas, Fayetteville, AR, United States
| | - Craig W. Maynard
- Department of Poultry Science, Center of Excellence for Poultry Science, University of Arkansas, Fayetteville, AR, United States
| | - Travis W. Tabler
- Department of Poultry Science, Center of Excellence for Poultry Science, University of Arkansas, Fayetteville, AR, United States
| | - Federico Sirri
- Department of Agricultural and Food Sciences, Alma Mater Studiorum – University of Bologna, Bologna, Italy
| | - Nicholas B. Anthony
- Department of Poultry Science, Center of Excellence for Poultry Science, University of Arkansas, Fayetteville, AR, United States
| | - Sara Orlowski
- Department of Poultry Science, Center of Excellence for Poultry Science, University of Arkansas, Fayetteville, AR, United States
| | - Sami Dridi
- Department of Poultry Science, Center of Excellence for Poultry Science, University of Arkansas, Fayetteville, AR, United States
- *Correspondence: Sami Dridi
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41
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da Cruz KLDO, Salla DH, de Oliveira MP, da Silva LE, Dela Vedova LM, Mendes TF, Bressan CBC, Costa AB, da Silva MR, Réus GZ, de Mello AH, Rezin GT. The impact of obesity-related neuroinflammation on postpartum depression: A narrative review. Int J Dev Neurosci 2022; 82:375-384. [PMID: 35595536 DOI: 10.1002/jdn.10198] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2022] [Revised: 04/29/2022] [Accepted: 05/16/2022] [Indexed: 11/10/2022] Open
Abstract
Obesity is currently one of the most serious health problems, affecting 13% of the world's adult population. Obesity is characterized by persistent low-grade chronic inflammation that assumes systemic proportions and triggers several associated metabolic diseases. Furthermore, obesity has been associated with an increased occurrence of central disorders such as impaired cognitive function, reward system dysfunction, and depression. In summary, there is a quantitative reduction in the release of neurotransmitters in depression. Postsynaptic cells capture lower concentrations of neurotransmitters, which leads to a functional reduction in the central nervous system (CNS). Globally, approximately 15-65% of women experience depressive symptoms during pregnancy, depending on their location. Depressive symptoms persist in some women, leading to postpartum depression (PPD). Thus, obesity may be considered a risk factor for PPD development. This study aimed to synthesize studies on the impact of obesity-related neuroinflammation and PPD. We conducted a narrative review of the relevant literature. The search was performed in electronic databases, specifically PubMed, selecting articles in English published from 2014 to 2021 using the narrative review methodology.
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Affiliation(s)
- Kenia Lourdes de Oliveira da Cruz
- Laboratory of Neurobiology of Inflammatory and Metabolic Processes, Graduate Program in Health Sciences, University of Southern Santa Catarina, Tubarao, Brazil
| | - Daniele Hendler Salla
- Laboratory of Neurobiology of Inflammatory and Metabolic Processes, Graduate Program in Health Sciences, University of Southern Santa Catarina, Tubarao, Brazil
| | - Mariana Pacheco de Oliveira
- Laboratory of Neurobiology of Inflammatory and Metabolic Processes, Graduate Program in Health Sciences, University of Southern Santa Catarina, Tubarao, Brazil
| | - Larissa Espindola da Silva
- Laboratory of Neurobiology of Inflammatory and Metabolic Processes, Graduate Program in Health Sciences, University of Southern Santa Catarina, Tubarao, Brazil
| | - Larissa Marques Dela Vedova
- Laboratory of Neurobiology of Inflammatory and Metabolic Processes, Graduate Program in Health Sciences, University of Southern Santa Catarina, Tubarao, Brazil
| | - Talita Farias Mendes
- Laboratory of Neurobiology of Inflammatory and Metabolic Processes, Graduate Program in Health Sciences, University of Southern Santa Catarina, Tubarao, Brazil
| | - Catarina Barbosa Chaves Bressan
- Laboratory of Neurobiology of Inflammatory and Metabolic Processes, Graduate Program in Health Sciences, University of Southern Santa Catarina, Tubarao, Brazil
| | - Ana Beatriz Costa
- Laboratory of Neurobiology of Inflammatory and Metabolic Processes, Graduate Program in Health Sciences, University of Southern Santa Catarina, Tubarao, Brazil
| | - Mariella Reinol da Silva
- Laboratory of Neurobiology of Inflammatory and Metabolic Processes, Graduate Program in Health Sciences, University of Southern Santa Catarina, Tubarao, Brazil
| | - Gislaine Zilli Réus
- Translational Psychiatry Laboratory, Graduate Program in Health Sciences, University of Southern Santa Catarina, Criciuma, Brazil
| | - Aline Haas de Mello
- Department of Pediatrics, The University of Texas Medical Branch, Galveston, Texas, USA
| | - Gislaine Tezza Rezin
- Laboratory of Neurobiology of Inflammatory and Metabolic Processes, Graduate Program in Health Sciences, University of Southern Santa Catarina, Tubarao, Brazil
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42
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Schneider E, Dourish CT, Higgs S. Utility of an experimental medicine model to evaluate efficacy, side-effects and mechanism of action of novel treatments for obesity and binge-eating disorder. Appetite 2022; 176:106087. [PMID: 35588993 DOI: 10.1016/j.appet.2022.106087] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2022] [Revised: 02/22/2022] [Accepted: 05/12/2022] [Indexed: 11/02/2022]
Abstract
Obesity and Binge Eating Disorder (BED) are prevalent conditions that are associated with increased risk of morbidity and mortality. There is evidence that the use of pharmacotherapy alongside behavioural treatments can improve quality of life and reduce disease risk for patients with these disorders. However, there are few approved drug therapies for obesity, and these are limited by poor efficacy and/or side effects and only one drug has been approved for the treatment of BED. There is considerable potential to use experimental medicine models to identify new drug treatments for obesity and BED, with greater efficacy and an improved side effect profile, at an early stage of development. Here, we present a model developed in our laboratory that incorporates both behavioural and neuroimaging measures which can be used to facilitate drug development for obesity and BED. The results from validation studies conducted to date using our model suggest that it is sensitive to the effects of agents with behavioural, neurophysiological and neuropharmacological mechanisms of action known to be associated with weight loss and reductions in binge eating. Future studies using the model will be valuable to evaluate the potential efficacy and side-effects of new candidate drugs at an early stage in the development pipeline for both obesity and BED.
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Affiliation(s)
- Elizabeth Schneider
- School of Psychology, University of Birmingham, Edgbaston, Birmingham, B15 2TT, United Kingdom.
| | - Colin T Dourish
- P1vital Ltd, Howbery Park, Wallingford, OX10 8BA, United Kingdom; P1vital Products Ltd, Howbery Park, Wallingford, OX10 8BA, United Kingdom
| | - Suzanne Higgs
- School of Psychology, University of Birmingham, Edgbaston, Birmingham, B15 2TT, United Kingdom
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43
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Angelidi AM, Belanger MJ, Kokkinos A, Koliaki CC, Mantzoros CS. Novel Noninvasive Approaches to the Treatment of Obesity: From Pharmacotherapy to Gene Therapy. Endocr Rev 2022; 43:507-557. [PMID: 35552683 PMCID: PMC9113190 DOI: 10.1210/endrev/bnab034] [Citation(s) in RCA: 33] [Impact Index Per Article: 16.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/16/2021] [Indexed: 02/08/2023]
Abstract
Recent insights into the pathophysiologic underlying mechanisms of obesity have led to the discovery of several promising drug targets and novel therapeutic strategies to address the global obesity epidemic and its comorbidities. Current pharmacologic options for obesity management are largely limited in number and of modest efficacy/safety profile. Therefore, the need for safe and more efficacious new agents is urgent. Drugs that are currently under investigation modulate targets across a broad range of systems and tissues, including the central nervous system, gastrointestinal hormones, adipose tissue, kidney, liver, and skeletal muscle. Beyond pharmacotherapeutics, other potential antiobesity strategies are being explored, including novel drug delivery systems, vaccines, modulation of the gut microbiome, and gene therapy. The present review summarizes the pathophysiology of energy homeostasis and highlights pathways being explored in the effort to develop novel antiobesity medications and interventions but does not cover devices and bariatric methods. Emerging pharmacologic agents and alternative approaches targeting these pathways and relevant research in both animals and humans are presented in detail. Special emphasis is given to treatment options at the end of the development pipeline and closer to the clinic (ie, compounds that have a higher chance to be added to our therapeutic armamentarium in the near future). Ultimately, advancements in our understanding of the pathophysiology and interindividual variation of obesity may lead to multimodal and personalized approaches to obesity treatment that will result in safe, effective, and sustainable weight loss until the root causes of the problem are identified and addressed.
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Affiliation(s)
- Angeliki M Angelidi
- Section of Endocrinology, VA Boston Healthcare System, Harvard Medical School, Boston, MA, USA
- Department of Medicine Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA
| | - Matthew J Belanger
- Department of Medicine Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA
| | - Alexander Kokkinos
- First Department of Propaedeutic Medicine, Medical School, National and Kapodistrian University of Athens, Laiko General Hospital, Athens, Greece
| | - Chrysi C Koliaki
- First Department of Propaedeutic Medicine, Medical School, National and Kapodistrian University of Athens, Laiko General Hospital, Athens, Greece
| | - Christos S Mantzoros
- Section of Endocrinology, VA Boston Healthcare System, Harvard Medical School, Boston, MA, USA
- Department of Medicine Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA
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Neurohormonal Changes in the Gut–Brain Axis and Underlying Neuroendocrine Mechanisms following Bariatric Surgery. Int J Mol Sci 2022; 23:ijms23063339. [PMID: 35328759 PMCID: PMC8954280 DOI: 10.3390/ijms23063339] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2022] [Revised: 03/15/2022] [Accepted: 03/16/2022] [Indexed: 02/05/2023] Open
Abstract
Obesity is a complex, multifactorial disease that is a major public health issue worldwide. Currently approved anti-obesity medications and lifestyle interventions lack the efficacy and durability needed to combat obesity, especially in individuals with more severe forms or coexisting metabolic disorders, such as poorly controlled type 2 diabetes. Bariatric surgery is considered an effective therapeutic modality with sustained weight loss and metabolic benefits. Numerous genetic and environmental factors have been associated with the pathogenesis of obesity, while cumulative evidence has highlighted the gut–brain axis as a complex bidirectional communication axis that plays a crucial role in energy homeostasis. This has led to increased research on the roles of neuroendocrine signaling pathways and various gastrointestinal peptides as key mediators of the beneficial effects following weight-loss surgery. The accumulate evidence suggests that the development of gut-peptide-based agents can mimic the effects of bariatric surgery and thus is a highly promising treatment strategy that could be explored in future research. This article aims to elucidate the potential underlying neuroendocrine mechanisms of the gut–brain axis and comprehensively review the observed changes of gut hormones associated with bariatric surgery. Moreover, the emerging role of post-bariatric gut microbiota modulation is briefly discussed.
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45
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Human Taste-Perception: Brain Computer Interface (BCI) and Its Application as an Engineering Tool for Taste-Driven Sensory Studies. FOOD ENGINEERING REVIEWS 2022. [DOI: 10.1007/s12393-022-09308-0] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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Ojeda ML, Carreras O, Nogales F. The Role of Selenoprotein Tissue Homeostasis in MetS Programming: Energy Balance and Cardiometabolic Implications. Antioxidants (Basel) 2022; 11:antiox11020394. [PMID: 35204276 PMCID: PMC8869711 DOI: 10.3390/antiox11020394] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2021] [Revised: 02/11/2022] [Accepted: 02/12/2022] [Indexed: 11/16/2022] Open
Abstract
Selenium (Se) is an essential trace element mainly known for its antioxidant, anti-inflammatory, and anti-apoptotic properties, as it is part of the catalytic center of 25 different selenoproteins. Some of them are related to insulin resistance (IR) and metabolic syndrome (MetS) generation, modulating reactive oxygen species (ROS), and the energetic sensor AMP-activated protein kinase (AMPK); they can also regulate the nuclear transcription factor kappa-B (NF-kB), leading to changes in inflammation production. Selenoproteins are also necessary for the correct synthesis of insulin and thyroid hormones. They are also involved in endocrine central regulation of appetite and energy homeostasis, affecting growth and development. MetS, a complex metabolic disorder, can appear during gestation and lactation in mothers, leading to energetic and metabolic changes in their offspring that, according to the metabolic programming theory, will produce cardiovascular and metabolic diseases later in life. However, there is a gap concerning Se tissue levels and selenoproteins’ implications in MetS generation, which is even greater during MetS programming. This narrative review also provides an overview of the existing evidence, based on experimental research from our laboratory, which strengthens the fact that maternal MetS leads to changes in Se tissue deposits and antioxidant selenoproteins’ expression in their offspring. These changes contribute to alterations in tissues’ oxidative damage, inflammation, energy balance, and tissue function, mainly in the heart. Se imbalance also could modulate appetite and endocrine energy balance, affecting pups’ growth and development. MetS pups present a profile similar to that of diabetes type 1, which also appeared when dams were exposed to low-Se dietary supply. Maternal Se supplementation should be taken into account if, during gestation and/or lactation periods, there are suspicions of endocrine energy imbalance in the offspring, such as MetS. It could be an interesting therapy to induce heart reprogramming. However, more studies are necessary.
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47
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Benchoula K, Vohra MS, Parhar IS, Hwa WE. Metabolomics based biomarker identification of anti-diabetes and anti-obesity properties of Malaysian herbs. Metabolomics 2022; 18:12. [PMID: 35092490 DOI: 10.1007/s11306-022-01870-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/12/2020] [Accepted: 01/13/2022] [Indexed: 11/30/2022]
Abstract
BACKGROUND Today, obesity affects over one-third of the global population and is hugely considered the Industrial Revolution's side effect. This multi-factorial disease is continuously spreading across developing countries, including the Middle East and Southeast Asia region, where Malaysia and Darussalam Brunei are the most affected. The sedentary lifestyle and availability of surplus foods have dramatically increased the number of individuals with type 2 diabetes in these countries. Thus, an adequate medical strategy must be developed urgently to address and remedy these diseases. Natural sources have been attracting attention, especially in Malaysia, where most land areas are under plant cover. Metabolomics, as a prophylactic technique, has been used extensively in Malaysia to investigate the potential use and benefits of herbs to combat obesity and diabetes. AIM OF REVIEW This review aims to explain the application of the metabolomics approach in the study of anti-diabetes and anti-obesity activity of Malaysian herbs to identify the stand-up point for future advancement in using these herbs as a primary source for drug exploration. KEY SCIENTIFIC CONCEPTS OF REVIEW This review provides an overview of using metabolomics technique in studying the anti-diabetes and anti-obesity activity of Malaysian herbs. Specific emphasis is given to the changed metabolites in both in vivo and in vitro treatment of Malaysia herbs that might be future drugs for treating diabetes and obesity.
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Affiliation(s)
- Khaled Benchoula
- School of Medicine, Faculty of Health and Medical Sciences, Taylor's University, Subang Jaya, Malaysia
| | - Muhammad Sufyan Vohra
- School of Medicine, Faculty of Health and Medical Sciences, Taylor's University, Subang Jaya, Malaysia
| | - Ishwar S Parhar
- Jeffrey Cheah School of Medicine & Health Sciences, Monash University (Malaysia), BRIMS, Jalan Lagoon Selatan, Bandar Sunway, 47500, Subang Jaya, Selangor, Malaysia
| | - Wong Eng Hwa
- School of Medicine, Faculty of Health and Medical Sciences, Taylor's University, Subang Jaya, Malaysia.
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Obara-Michlewska M. The contribution of astrocytes to obesity-associated metabolic disturbances. J Biomed Res 2022; 36:299-311. [PMID: 36131679 PMCID: PMC9548436 DOI: 10.7555/jbr.36.20200020] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Affiliation(s)
- Marta Obara-Michlewska
- Department of Neurotoxicology, Mossakowski Medical Research Institute, Polish Academy of Sciences, Warsaw 02-106, Poland
- Marta Obara-Michlewska, Department of Neurotoxicology, Mossakowski Medical Research Institute, Polish Academy of Sciences, 5 A. Pawinskiego Street, Warsaw 02-106, Poland. Tel/Fax: +48-22-6046416, E-mail:
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49
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Lv N, Lefferts WK, Xiao L, Goldstein-Piekarski AN, Wielgosz J, Lavori PW, Simmons JM, Smyth JM, Stetz P, Venditti EM, Lewis MA, Rosas LG, Snowden MB, Ajilore OA, Suppes T, Williams LM, Ma J. Problem-solving therapy-induced amygdala engagement mediates lifestyle behavior change in obesity with comorbid depression: a randomized proof-of-mechanism trial. Am J Clin Nutr 2021; 114:2060-2073. [PMID: 34476464 PMCID: PMC8634561 DOI: 10.1093/ajcn/nqab280] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2021] [Accepted: 08/04/2021] [Indexed: 12/31/2022] Open
Abstract
BACKGROUND Depression hinders obesity treatment; elucidating mechanisms may enable treatment enhancements. OBJECTIVES The aim was to investigate whether changes in neural targets in the negative affect circuit following psychotherapy mediate subsequent changes in weight and behaviors. METHODS Adults (n = 108) with obesity and depression were randomly assigned to usual care or an intervention that delivered problem-solving therapy (PST) for depression over 2 mo. fMRI for brain imaging was performed at baseline and 2 mo. BMI, physical activity, and diet were measured at baseline and 12 mo. Mediation analysis assessed between-group differences in neural target changes using t test and correlations between neural target changes and outcome changes (simple and interaction effect) using ordinary least-squares regression. RESULTS Compared with usual care, PST led to reductions in left amygdala activation (-0.75; 95% CI: -1.49, -0.01) and global scores of the negative affect circuit (-0.43; -0.81, -0.06), engaged by threat stimuli. Increases in amygdala activation and global circuit scores at 2 mo correlated with decreases in physical activity outcomes at 12 mo in the usual-care group; these relations were altered by PST. In relation to change in leisure-time physical activity, standardized β-coefficients were -0.67 in usual care and -0.01 in the intervention (between-group difference: 0.66; 0.02, 1.30) for change in left amygdala activation and -2.02 in usual care and -0.11 in the intervention (difference: 1.92; 0.64, 3.20) for change in global circuit scores. In relation to change in total energy expenditure, standardized β-coefficients were -0.65 in usual care and 0.08 in the intervention (difference: 0.73; 0.29, 1.16) for change in left amygdala activation and -1.65 in usual care and 0.08 in the intervention (difference: 1.74; 0.85, 2.63) for change in global circuit scores. Results were null for BMI and diet. CONCLUSIONS Short-term changes in the negative affect circuit engaged by threat stimuli following PST for depression mediated longer-term changes in physical activity. This trial was registered at www.clinicaltrials.gov as NCT02246413 (https://clinicaltrials.gov/ct2/show/NCT02246413).
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Affiliation(s)
- Nan Lv
- Institute of Health Research and Policy, University of Illinois at Chicago, Chicago, IL, USA
| | - Wesley K Lefferts
- Institute of Health Research and Policy, University of Illinois at Chicago, Chicago, IL, USA
| | - Lan Xiao
- Department of Epidemiology and Population Health, Stanford University, Palo Alto, CA, USA
| | - Andrea N Goldstein-Piekarski
- Department of Psychiatry and Behavioral Sciences, Stanford University, Stanford, CA, USA,Sierra-Pacific Mental Illness Research, Education, and Clinical Center (MIRECC), Veterans Affairs Palo Alto Health Care System, Palo Alto, CA, USA
| | - Joseph Wielgosz
- Department of Psychiatry and Behavioral Sciences, Stanford University, Stanford, CA, USA,Sierra-Pacific Mental Illness Research, Education, and Clinical Center (MIRECC), Veterans Affairs Palo Alto Health Care System, Palo Alto, CA, USA
| | - Philip W Lavori
- Department of Biomedical Data Science, Stanford University, Stanford, CA, USA
| | - Janine M Simmons
- National Institute on Aging, National Institutes of Health, Bethesda, MD, USA
| | - Joshua M Smyth
- Departments of Biobehavioral Health and Medicine, The Pennsylvania State University, University Park, PA, USA
| | - Patrick Stetz
- Department of Psychiatry and Behavioral Sciences, Stanford University, Stanford, CA, USA
| | - Elizabeth M Venditti
- Department of Psychiatry, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA
| | - Megan A Lewis
- Center for Communication Science, RTI International, Seattle, WA, USA
| | - Lisa G Rosas
- Department of Epidemiology and Population Health, Stanford University, Palo Alto, CA, USA,Department of Medicine, Stanford University, Palo Alto, CA, USA
| | - Mark B Snowden
- Department of Psychiatry and Behavioral Sciences, University of Washington School of Medicine, Harborview Medical Center, Seattle, WA, USA
| | - Olusola A Ajilore
- Department of Psychiatry, University of Illinois at Chicago, Chicago, IL, USA
| | - Trisha Suppes
- Department of Psychiatry and Behavioral Sciences, Stanford University, Stanford, CA, USA,Sierra-Pacific Mental Illness Research, Education, and Clinical Center (MIRECC), Veterans Affairs Palo Alto Health Care System, Palo Alto, CA, USA
| | - Leanne M Williams
- Department of Psychiatry and Behavioral Sciences, Stanford University, Stanford, CA, USA,Sierra-Pacific Mental Illness Research, Education, and Clinical Center (MIRECC), Veterans Affairs Palo Alto Health Care System, Palo Alto, CA, USA
| | - Jun Ma
- Address correspondence to JM (e-mail: )
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Food intake precipitates seizures in temporal lobe epilepsy. Sci Rep 2021; 11:16515. [PMID: 34389785 PMCID: PMC8363749 DOI: 10.1038/s41598-021-96106-z] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2021] [Accepted: 08/03/2021] [Indexed: 11/09/2022] Open
Abstract
Various factors have been considered as potential seizure precipitants. We here assessed the temporal association of food intake and seizure occurrence, and characteristics of seizures and epilepsy syndromes involved. 596 seizures from 100 consecutive patients undergoing long-term video-EEG monitoring were analyzed. Preictal periods of 60 min were assessed as to the occurrence of food intake, and latencies between food intake and seizure onset were analyzed. Seizures of temporal origin were highly significantly more frequently preceded by food intake compared to those of extratemporal origin; and were associated with shorter food intake-seizure latency. Seizure precipitation by food intake showed male predominance. Shorter food intake-seizure latency was associated with less severe seizures and less frequent contralateral spread of epileptic discharges. We here show for the first time that not only in specific rare reflex epilepsies but in the most frequent form of focal epilepsy, temporal lobe epilepsy, seizures are significantly precipitated by food intake. Seizure occurrence was increased over a period of up to one hour following food intake, and remained more localized in terms of both ictal EEG spread and as reflected by seizure severity. This finding supports the emerging concepts of ictogenesis, implying a continuum between reflex and spontaneous seizures-instead a dichotomy between them.
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