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Ferreira NB, Dias CT, Chaaban AFA, Beserra-Filho JIA, Ribeiro AM, Lambertucci RH, Mendes-da-Silva C. Improving dietary patterns in obese mice: Effects on body weight, adiposity, anhedonia-like behavior, pro-BDNF expression and 5-HT system. Brain Res 2024; 1838:148996. [PMID: 38744387 DOI: 10.1016/j.brainres.2024.148996] [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: 01/26/2024] [Revised: 05/09/2024] [Accepted: 05/11/2024] [Indexed: 05/16/2024]
Abstract
INTRODUCTION The excessive fat accumulation in obesity, resulting from an unbalanced diet, can lead to metabolic and neurological disorders and increase the risk of developing anxiety and depression. AIM Assess the impact of dietary intervention (DI) on the serotonergic system, brain-derived neurotrophic factor (BDNF) expression and behaviors of obese mice. METHODS Male C57BL/6 mice, 5 weeks old, received a high-fat diet (HFD) for 10 weeks for the induction of obesity. After this period, for 8 weeks, half of these animals received a control diet (CD), group obese (OB) + control diet (OB + CD, n = 10), and another half continued being fed HFD, group obese + HFD (OB + HFD, n = 10). At the end of the eighth week of intervention, behavioral tests were performed (sucrose preference test, open field, novel object recognition, elevated plus maze and tail suspension). Body weight and food intake were assessed weekly. Visceral adiposity, the hippocampal and hypothalamic protein expression of BDNF, 5-HT1A (5-HT1A serotonin receptor) and TPH2 (key enzyme in serotonin synthesis), were evaluated after euthanasia. RESULTS The dietary intervention involved changing from a HFD to a CD over an 8-week period, effectively reduced body weight gain, adiposity, and anhedonia-like behavior. In the OB + HFD group, we saw a lower sucrose preference and shorter traveled distance in the open field, along with increased pro-BDNF expression in the hypothalamus compared to the OB + CD mice. However, the levels of TPH2 and 5-HT1A remained unchanged. CONCLUSION The HFD model induced both obesity and anhedonia, but the dietary intervention successfully improved these conditions.
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Affiliation(s)
- Nicoly Bédia Ferreira
- Laboratory of Neuroscience and Nutrition, Department of Biosciences, Federal University of Sao Paulo/UNIFESP, Santos, SP, Brazil
| | - Clarissa Tavares Dias
- Laboratory of Neuroscience and Nutrition, Department of Biosciences, Federal University of Sao Paulo/UNIFESP, Santos, SP, Brazil
| | - Ana Flávia Alves Chaaban
- Laboratory of Neuroscience and Nutrition, Department of Biosciences, Federal University of Sao Paulo/UNIFESP, Santos, SP, Brazil
| | - José Ivo Araújo Beserra-Filho
- Laboratory of Neuroscience and Bioprospecting of Natural Products, Department of Biosciences, Federal University of Sao Paulo/UNIFESP, Santos, SP, Brazil
| | - Alessandra Mussi Ribeiro
- Laboratory of Neuroscience and Bioprospecting of Natural Products, Department of Biosciences, Federal University of Sao Paulo/UNIFESP, Santos, SP, Brazil
| | - Rafael Herling Lambertucci
- Laboratory of Neuroscience and Nutrition, Department of Biosciences, Federal University of Sao Paulo/UNIFESP, Santos, SP, Brazil
| | - Cristiano Mendes-da-Silva
- Laboratory of Neuroscience and Nutrition, Department of Biosciences, Federal University of Sao Paulo/UNIFESP, Santos, SP, Brazil.
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Watanabe D, Morimoto S, Morishima N, Ichihara A. Comparisons of risk factors for post-treatment renal dysfunction between the two major subtypes of primary aldosteronism. Endocrine 2024; 84:245-252. [PMID: 38087188 DOI: 10.1007/s12020-023-03627-w] [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: 10/20/2023] [Accepted: 11/22/2023] [Indexed: 04/04/2024]
Abstract
OBJECTIVE Aldosterone-producing adenoma (APA) and bilateral idiopathic hyperaldosteronism (IHA) are the most common subtypes of primary aldosteronism (PA), and the PA subtype dictates the treatment options. This study aimed to identify predictors of declined estimated glomerular filtration rate (eGFR) following each treatment in patients with APA and IHA. METHODS We retrospectively investigated 45 patients with APA who had undergone adrenalectomy (ADX) and 37 patients with IHA who had received treatment with a mineralocorticoid receptor antagonist (MRA) to identify pre-treatment risk factors for eGFR decline during the post-treatment follow-up period. RESULTS Patients with APA who underwent ADX exhibited higher eGFR declines than patients with IHA treated with MRA at the 6-month post-treatment evaluation point. A high preoperative plasma aldosterone concentration (PAC) in patients with APA and a high body mass index (BMI) in patients with IHA were identified as independent predictors of higher eGFR decline at 6 months post-treatment (β=0.42 and β=0.36, respectively). In patients with APA, the cutoff PAC to best predict a 20% decrease in eGFR following ADX, as determined by receiver operating characteristic analysis, was 524 pg/mL. In patients with IHA, the cutoff BMI to best predict a 10% decrease in eGFR following MRA administration was 25.3 kg/m2. In addition, lower preoperative flow-mediated vasodilation was associated with eGFR decline after ADX in patients with APA. CONCLUSIONS Greater attention should be given to the above-mentioned risk factors to prevent renal impairment following each treatment in patients with both APA and IHA.
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Affiliation(s)
- Daisuke Watanabe
- Department of Internal Medicine, Tokyo Women's Medical University, 8-1 Kawada-cho, Shinjuku-ku, Tokyo, 162-8666, Japan
| | - Satoshi Morimoto
- Department of Internal Medicine, Tokyo Women's Medical University, 8-1 Kawada-cho, Shinjuku-ku, Tokyo, 162-8666, Japan.
| | - Noriko Morishima
- Department of Internal Medicine, Tokyo Women's Medical University, 8-1 Kawada-cho, Shinjuku-ku, Tokyo, 162-8666, Japan
| | - Atsuhiro Ichihara
- Department of Internal Medicine, Tokyo Women's Medical University, 8-1 Kawada-cho, Shinjuku-ku, Tokyo, 162-8666, Japan
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Ushio Y, Kataoka H, Akagawa H, Sato M, Manabe S, Kawachi K, Makabe S, Akihisa T, Seki M, Teraoka A, Iwasa N, Yoshida R, Tsuchiya K, Nitta K, Hoshino J, Mochizuki T. Factors associated with early-onset intracranial aneurysms in patients with autosomal dominant polycystic kidney disease. J Nephrol 2024:10.1007/s40620-023-01866-8. [PMID: 38315279 DOI: 10.1007/s40620-023-01866-8] [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: 05/22/2023] [Accepted: 12/14/2023] [Indexed: 02/07/2024]
Abstract
BACKGROUND Recently, the importance of attribute-based medicine has been emphasized. The effects of early-onset intracranial aneurysms on patients can be significant and long-lasting. Herein, we compared the factors associated with intracranial aneurysms in patients with autosomal dominant polycystic kidney disease (ADPKD) according to age categories (≥ 50 years, < 50 years). METHODS We included 519 ADPKD patients, with a median age of 44 years, estimated glomerular filtration rate of 54.5 mL/min/1.73 m2, and total follow-up duration of 3104 patient-years. Logistic regression analyses were performed to determine factors associated with intracranial aneurysms. RESULTS Regarding the presence of intracranial aneurysm, significant interactions were identified between the age category (age ≥ 50 years), female sex (P = 0.0027 for the interaction) and hypertension (P = 0.0074 for the interaction). Female sex and hypertension were associated with intracranial aneurysm risk factors only in patients aged ≥ 50 years. The presence of intracranial aneurysm was significantly associated with chronic kidney disease (CKD) stages 4-5 (odds ratio [OR] = 3.87, P = 0.0007) and family history of intracranial aneurysm or subarachnoid hemorrhage (OR = 2.30, P = 0.0217) in patients aged < 50 years. For patients aged ≥ 50 years, in addition to the abovementioned factors [OR = 2.38, P = 0.0355 for CKD stages 4-5; OR = 3.49, P = 0.0094 for family history of intracranial aneurysm or subarachnoid hemorrhage], female sex (OR = 4.51, P = 0.0005), and hypertension (OR = 5.89, P = 0.0012) were also associated with intracranial aneurysm. CONCLUSION Kidney dysfunction and family history of intracranial aneurysm or subarachnoid hemorrhage are risk factors for early-onset intracranial aneurysm. Patients aged < 50 years with a family history of intracranial aneurysm or subarachnoid hemorrhage or with CKD stages 4-5 may be at an increased risk of early-onset intracranial aneurysm.
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Affiliation(s)
- Yusuke Ushio
- Department of Nephrology, Tokyo Women's Medical University, 8-1 Kawada-Cho, Shinjuku-ku, Tokyo, 162-8666, Japan
| | - Hiroshi Kataoka
- Department of Nephrology, Tokyo Women's Medical University, 8-1 Kawada-Cho, Shinjuku-ku, Tokyo, 162-8666, Japan.
| | - Hiroyuki Akagawa
- Tokyo Women's Medical University Institute for Integrated Medical Sciences (TIIMS), Tokyo, Japan
| | - Masayo Sato
- Department of Nephrology, Tokyo Women's Medical University, 8-1 Kawada-Cho, Shinjuku-ku, Tokyo, 162-8666, Japan
| | - Shun Manabe
- Department of Nephrology, Tokyo Women's Medical University, 8-1 Kawada-Cho, Shinjuku-ku, Tokyo, 162-8666, Japan
| | - Keiko Kawachi
- Department of Nephrology, Tokyo Women's Medical University, 8-1 Kawada-Cho, Shinjuku-ku, Tokyo, 162-8666, Japan
| | - Shiho Makabe
- Department of Nephrology, Tokyo Women's Medical University, 8-1 Kawada-Cho, Shinjuku-ku, Tokyo, 162-8666, Japan
| | - Taro Akihisa
- Department of Nephrology, Tokyo Women's Medical University, 8-1 Kawada-Cho, Shinjuku-ku, Tokyo, 162-8666, Japan
| | - Momoko Seki
- Department of Nephrology, Tokyo Women's Medical University, 8-1 Kawada-Cho, Shinjuku-ku, Tokyo, 162-8666, Japan
| | - Atsuko Teraoka
- Department of Nephrology, Tokyo Women's Medical University, 8-1 Kawada-Cho, Shinjuku-ku, Tokyo, 162-8666, Japan
| | - Naomi Iwasa
- Department of Nephrology, Tokyo Women's Medical University, 8-1 Kawada-Cho, Shinjuku-ku, Tokyo, 162-8666, Japan
| | - Rie Yoshida
- Department of Nephrology, Tokyo Women's Medical University, 8-1 Kawada-Cho, Shinjuku-ku, Tokyo, 162-8666, Japan
| | - Ken Tsuchiya
- Department of Blood Purification, Tokyo Women's Medical University, Tokyo, Japan
| | - Kosaku Nitta
- Department of Nephrology, Tokyo Women's Medical University, 8-1 Kawada-Cho, Shinjuku-ku, Tokyo, 162-8666, Japan
| | - Junichi Hoshino
- Department of Nephrology, Tokyo Women's Medical University, 8-1 Kawada-Cho, Shinjuku-ku, Tokyo, 162-8666, Japan
| | - Toshio Mochizuki
- Department of Nephrology, Tokyo Women's Medical University, 8-1 Kawada-Cho, Shinjuku-ku, Tokyo, 162-8666, Japan
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Kreiner FF, Schytz PA, Heerspink HJL, von Scholten BJ, Idorn T. Obesity-Related Kidney Disease: Current Understanding and Future Perspectives. Biomedicines 2023; 11:2498. [PMID: 37760939 PMCID: PMC10526045 DOI: 10.3390/biomedicines11092498] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2023] [Revised: 09/07/2023] [Accepted: 09/08/2023] [Indexed: 09/29/2023] Open
Abstract
Obesity is a serious chronic disease and an independent risk factor for the new onset and progression of chronic kidney disease (CKD). CKD prevalence is expected to increase, at least partly due to the continuous rise in the prevalence of obesity. The concept of obesity-related kidney disease (OKD) has been introduced to describe the still incompletely understood interplay between obesity, CKD, and other cardiometabolic conditions, including risk factors for OKD and cardiovascular disease, such as diabetes and hypertension. Current therapeutics target obesity and CKD individually. Non-pharmacological interventions play a major part, but the efficacy and clinical applicability of lifestyle changes and metabolic surgery remain debatable, because the strategies do not benefit everyone, and it remains questionable whether lifestyle changes can be sustained in the long term. Pharmacological interventions, such as sodium-glucose co-transporter 2 inhibitors and the non-steroidal mineralocorticoid receptor antagonist finerenone, provide kidney protection but have limited or no impact on body weight. Medicines based on glucagon-like peptide-1 (GLP-1) induce clinically relevant weight loss and may also offer kidney benefits. An urgent medical need remains for investigations to better understand the intertwined pathophysiologies in OKD, paving the way for the best possible therapeutic strategies in this increasingly prevalent disease complex.
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Affiliation(s)
| | | | - Hiddo J. L. Heerspink
- Department of Clinical Pharmacy and Pharmacology, University of Groningen, 9700 RB Groningen, The Netherlands;
| | | | - Thomas Idorn
- Novo Nordisk A/S, DK-2860 Søborg, Denmark; (F.F.K.); (P.A.S.); (B.J.v.S.)
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Kataoka H, Nitta K, Hoshino J. Glomerular hyperfiltration and hypertrophy: an evaluation of maximum values in pathological indicators to discriminate "diseased" from "normal". Front Med (Lausanne) 2023; 10:1179834. [PMID: 37521339 PMCID: PMC10372422 DOI: 10.3389/fmed.2023.1179834] [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: 03/05/2023] [Accepted: 06/05/2023] [Indexed: 08/01/2023] Open
Abstract
The success of sodium-glucose cotransporter 2 inhibitors and bariatric surgery in patients with chronic kidney disease has highlighted the importance of glomerular hyperfiltration and hypertrophy in the progression of kidney disease. Sustained glomerular hyperfiltration and hypertrophy can lead to glomerular injury and progressive kidney damage. This article explores the relationship between obesity and chronic kidney disease, focusing on the roles of glomerular hyperfiltration and hypertrophy as hallmarks of obesity-related kidney disease. The pathological mechanisms underlying this association include adipose tissue inflammation, dyslipidemia, insulin resistance, chronic systemic inflammation, oxidative stress, and overactivation of the sympathetic nervous system, as well as the renin-angiotensin aldosterone system. This article explains how glomerular hyperfiltration results from increased renal blood flow and intraglomerular hypertension, inducing mechanical stress on the filtration barrier and post-filtration structures. Injured glomeruli increase in size before sclerosing and collapsing. Therefore, using extreme values, such as the maximal glomerular diameter, could improve the understanding of the data distribution and allow for better kidney failure predictions. This review provides important insights into the mechanisms underlying glomerular hyperfiltration and hypertrophy and highlights the need for further research using glomerular size, including maximum glomerular profile, calculated using needle biopsy specimens.
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Mueller-Peltzer K, von Krüchten R, Lorbeer R, Rospleszcz S, Schulz H, Peters A, Bamberg F, Schlett CL, Mujaj B. Adipose tissue is associated with kidney function parameters. Sci Rep 2023; 13:9151. [PMID: 37280396 DOI: 10.1038/s41598-023-36390-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2023] [Accepted: 06/02/2023] [Indexed: 06/08/2023] Open
Abstract
Obesity is characterized by the accumulation of adipose tissue in different body compartments. Whether adipose tissue directly affects kidney function is still unknown. We aimed to investigate the role of the adipose tissue and circulating creatinine, cystatin C and kidney function in subjects free of cardio-renal diseases. In the KORA-MRI population-based study, 377 subjects (mean age 56.2 ± 9.2 years; 41.6% female) underwent whole-body 3T-MRI examination. Adipose tissue defined as visceral adipose tissue (VAT) and subcutaneous adipose tissue (SAT) were quantified from T1-DIXON sequence using a semi-automatic algorithm. Serum creatinine and cystatin C were measured using standard laboratory and estimated glomerular filtration rate (e-GFR) was performed based on creatinine (e-GFRcrea), cystatin C (e-GFRcys) and creatinine-cystatin C (e-GFRcc). Linear regression analysis, adjusted for risk factors, was used to investigate the relationship between adipose tissue and circulating creatinine, cystatin C, and kidney function. In multivariate analyses VAT was inversely associated with eGFRcys (ß = - 4.88, p = < 0.001), and positively associated with serum cystatin C (ß = 0.05, p = < 0.001), respectively. No association was found between other adipose parameters such as total adipose tissue (TAT) and subcutaneous adipose tissue (SAT) and serum creatinine, urine microalbumin and eGFRcrea. Stratified analyses according to BMI revealed confirmatory results for category of BMI > 30. VAT is positively associated with serum cystatin C and inversely with eGFR based on cystatin C, suggesting a direct involvement of visceral adipose tissue in increased metabolism of cystatin C and consequently decreased kidney function.
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Affiliation(s)
- Katharina Mueller-Peltzer
- Department of Diagnostic and Interventional Radiology, Faculty of Medicine Freiburg, Medical Center, Universitätsklinikum Freiburg, University of Freiburg, Hugstetter Str. 55, 79106, Freiburg, Germany.
| | - Ricarda von Krüchten
- Department of Diagnostic and Interventional Radiology, Faculty of Medicine Freiburg, Medical Center, Universitätsklinikum Freiburg, University of Freiburg, Hugstetter Str. 55, 79106, Freiburg, Germany
| | - Roberto Lorbeer
- Department of Radiology, Ludwig-Maximilians-University Hospital, Munich, Germany
| | - Susanne Rospleszcz
- Chair of Epidemiology, Medical Faculty, Institute for Medical Information Processing, Biometry and Epidemiology, Ludwig-Maximilians-Universität München, Munich, Germany
- Institute of Epidemiology, German Research Center for Environmental Health, Helmholtz Zentrum München, Neuherberg, Germany
- German Center for Cardiovascular Research (DZHK), Partner Site Munich Heart Alliance, Munchen, Germany
| | - Holger Schulz
- Institute of Epidemiology, German Research Center for Environmental Health, Helmholtz Zentrum München, Neuherberg, Germany
| | - Annette Peters
- Chair of Epidemiology, Medical Faculty, Institute for Medical Information Processing, Biometry and Epidemiology, Ludwig-Maximilians-Universität München, Munich, Germany
- Institute of Epidemiology, German Research Center for Environmental Health, Helmholtz Zentrum München, Neuherberg, Germany
- German Center for Cardiovascular Research (DZHK), Partner Site Munich Heart Alliance, Munchen, Germany
- German Center for Diabetes Research, München-Neuherberg, Neuherberg, Germany
| | - Fabian Bamberg
- Department of Diagnostic and Interventional Radiology, Faculty of Medicine Freiburg, Medical Center, Universitätsklinikum Freiburg, University of Freiburg, Hugstetter Str. 55, 79106, Freiburg, Germany
| | - Christopher L Schlett
- Department of Diagnostic and Interventional Radiology, Faculty of Medicine Freiburg, Medical Center, Universitätsklinikum Freiburg, University of Freiburg, Hugstetter Str. 55, 79106, Freiburg, Germany
| | - Blerim Mujaj
- Department of Diagnostic and Interventional Radiology, Faculty of Medicine Freiburg, Medical Center, Universitätsklinikum Freiburg, University of Freiburg, Hugstetter Str. 55, 79106, Freiburg, Germany.
- General Practice, Huisartsenpraktijk, Bremtstraat 116, 9320, Aalst, Belgium.
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