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van Hulst AM, Verwaaijen EJ, van den Berg SAA, van Litsenburg RRL, Grootenhuis MA, Fiocco M, Neggers SJCMM, van den Heuvel-Eibrink MM, van den Akker ELT. Leptin Increase During Dexamethasone and Its Association With Hunger and Fat in Pediatric Acute Lymphoblastic Leukemia. J Clin Endocrinol Metab 2024; 109:631-640. [PMID: 37878899 PMCID: PMC10876409 DOI: 10.1210/clinem/dgad621] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/03/2023] [Revised: 10/13/2023] [Accepted: 10/17/2023] [Indexed: 10/27/2023]
Abstract
CONTEXT During treatment, children with acute lymphoblastic leukemia (ALL) receive high doses dexamethasone, which induce acute side effects. OBJECTIVE To determine the influence of a 5-day dexamethasone course on changes in leptin, fat mass, BMI, hunger, sleep, and fatigue and to explore associations between these changes. METHODS Pediatric ALL patients were included during maintenance treatment. Data were collected before (T1) and after (T2) a 5-day dexamethasone course (6 mg/m2/day). At both time points, BMI, fat mass (bioelectrical impedance analysis), and leptin were assessed, as well as parent-reported questionnaires regarding hunger, fatigue, and sleep problems. Changes between T1 and T2 were assessed using paired tests. Correlation coefficients were calculated to assess associations between these changes (Delta scores: T2-T1). Univariable regression models were estimated to study associations between covariates and elevated leptin. RESULTS We included 105 children, with median age 5.4 years (range, 3.0-18.8). Leptin and fat mass, as well as hunger scores, fatigue, and sleep deteriorated after 5 days of dexamethasone (P < .001), in contrast to BMI (P = .12). No correlations between delta leptin and delta fat mass, BMI, hunger, fatigue, or sleep were found. Elevated leptin on T1 was associated with older age (odds ratio [OR] 1.51; 95% CI, 1.28-1.77), higher fat mass (OR 1.19; 95% CI, 1.07-1.33), and earlier maintenance week (OR 0.96; 95% CI, 0.92-0.99). CONCLUSION Five days of high-dose dexamethasone treatment led to direct and significant changes in leptin, hunger scores, and fat mass. Since children with ALL are at increased risk for metabolic adverse events, understanding underlying mechanisms is important, and a dexamethasone-induced state of acute leptin resistance might play a role.
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Affiliation(s)
| | - Emma J Verwaaijen
- Pediatric Oncology, Princess Máxima Center, 3584 CS Utrecht, The Netherlands
| | - Sjoerd A A van den Berg
- Department of Internal Medicine, Division of Endocrinology, Erasmus Medical Center, 3015 GD Rotterdam, The Netherlands
| | | | | | - Marta Fiocco
- Pediatric Oncology, Princess Máxima Center, 3584 CS Utrecht, The Netherlands
- Leiden University Mathematical Institute, 2333 CA Leiden, The Netherlands
- Department of Biomedical Data Science, Medical Statistics, Leiden University Medical Centre, 2333 ZA Leiden, The Netherlands
| | - Sebastian J C M M Neggers
- Pediatric Oncology, Princess Máxima Center, 3584 CS Utrecht, The Netherlands
- Department of Internal Medicine, Division of Endocrinology, Erasmus Medical Center, 3015 GD Rotterdam, The Netherlands
| | - Marry M van den Heuvel-Eibrink
- Pediatric Oncology, Princess Máxima Center, 3584 CS Utrecht, The Netherlands
- Child Health, UMCU-Wilhelmina Children's Hospital, 3584 EA Utrecht, The Netherlands
| | - Erica L T van den Akker
- Department of Pediatric Endocrinology, Erasmus MC- Sophia Children's Hospital, 3015 CN Rotterdam, The Netherlands
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Cheng G, Deng Y, Zhou Z, Yu J, Zhang H, Wang X, Li X. Neuroprotective effect of leptin on a primate model of cerebral ischemia. Anim Biotechnol 2022; 33:1591-1601. [PMID: 34392775 DOI: 10.1080/10495398.2021.1920424] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
The purpose of this study was to evaluate the neuroprotective effect of leptin on a non-human primate model of cerebral ischemia. A total of 39 Guangxi macaques were used to establish the primate cerebral-ischemia model. HE staining was used to evaluated the pathological changes. Moreover, magnetic resonance imaging was used for the detection of embolic area. The measurements of behavior observation and cerebral infarction area were also performed. They all received autologous thrombus operation. Furthermore, western blot and RT-PCR were also used to detect the protein and mRNA expression levels of apoptosis-related factors. Our results showed that leptin could reduce the volume of cerebral infarction by about 35%. Behavioral defects can be significantly improved. In addition, mid-term and long-term behavioral deficiencies had been significantly improved by leptin. Moreover, leptin significantly decreased the expression levels of caspase-3 and Bax, and increased the expression levels of Bcl-2. In conclusion, leptin has neuroprotective effects on cerebral ischemia by effectively reducing the volume of cerebral infarction.
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Affiliation(s)
- Ge Cheng
- Department of Radiology, Affiliated Hospital of Guilin Medical University, Guilin, China
| | - Yanxian Deng
- Department of Radiology, Affiliated Hospital of Guilin Medical University, Guilin, China
| | - Zhipeng Zhou
- Department of Radiology, Affiliated Hospital of Guilin Medical University, Guilin, China
| | - JunXiong Yu
- Department of Anesthesiology, Affiliated Hospital of Guilin Medical University, Guilin, China
| | - Huiyang Zhang
- Department of Radiology, Affiliated Hospital of Guilin Medical University, Guilin, China
| | - Xianfeng Wang
- Department of Radiology, Affiliated Hospital of Guilin Medical University, Guilin, China
| | - Xiaotian Li
- Department of Radiology, Affiliated Hospital of Guilin Medical University, Guilin, China
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Zhang TJ, Xu ZJ, Gu Y, Ma JC, Wen XM, Zhang W, Deng ZQ, Qian J, Lin J, Zhou JD. Identification and validation of obesity-related gene LEP methylation as a prognostic indicator in patients with acute myeloid leukemia. Clin Epigenetics 2021; 13:16. [PMID: 33485366 PMCID: PMC7824952 DOI: 10.1186/s13148-021-01013-9] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2020] [Accepted: 01/13/2021] [Indexed: 12/15/2022] Open
Abstract
BACKGROUND Obesity confers enhanced risk for multiple diseases including cancer. The DNA methylation alterations in obesity-related genes have been implicated in several human solid tumors. However, the underlying role and clinical implication of DNA methylation of obesity-related genes in acute myeloid leukemia (AML) has yet to be elucidated. RESULTS In the discovery stage, we identified that DNA methylation-associated LEP expression was correlated with prognosis among obesity-related genes from the databases of The Cancer Genome Atlas. In the validation stage, we verified that LEP hypermethylation was a frequent event in AML by both targeted bisulfite sequencing and real-time quantitative methylation-specific PCR. Moreover, LEP hypermethylation, correlated with reduced LEP expression, was found to be associated with higher bone marrow blasts, lower platelets, and lower complete remission (CR) rate in AML. Importantly, survival analysis showed that LEP hypermethylation was significantly associated with shorter overall survival (OS) in AML. Moreover, multivariate analysis disclosed that LEP hypermethylation was an independent risk factor affecting CR and OS among non-M3 AML. By clinical and bioinformatics analysis, LEP may be also regulated by miR-517a/b expression in AML. CONCLUSIONS Our findings indicated that the obesity-related gene LEP methylation is associated with LEP inactivation, and acts as an independent prognostic predictor in AML.
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Affiliation(s)
- Ting-Juan Zhang
- Department of Hematology, Affiliated People's Hospital of Jiangsu University, 8 Dianli Rd., Zhenjiang, 212002, People's Republic of China.,Zhenjiang Clinical Research Center of Hematology, Zhenjiang, Jiangsu, People's Republic of China.,The Key Lab of Precision Diagnosis and Treatment in Hematologic Malignancies of Zhenjiang City, Zhenjiang, Jiangsu, People's Republic of China
| | - Zi-Jun Xu
- Zhenjiang Clinical Research Center of Hematology, Zhenjiang, Jiangsu, People's Republic of China.,The Key Lab of Precision Diagnosis and Treatment in Hematologic Malignancies of Zhenjiang City, Zhenjiang, Jiangsu, People's Republic of China.,Laboratory Center, Affiliated People's Hospital of Jiangsu University, 8 Dianli Rd., Zhenjiang, 212002, People's Republic of China
| | - Yu Gu
- Department of Hematology, Affiliated People's Hospital of Jiangsu University, 8 Dianli Rd., Zhenjiang, 212002, People's Republic of China.,Zhenjiang Clinical Research Center of Hematology, Zhenjiang, Jiangsu, People's Republic of China.,The Key Lab of Precision Diagnosis and Treatment in Hematologic Malignancies of Zhenjiang City, Zhenjiang, Jiangsu, People's Republic of China
| | - Ji-Chun Ma
- Zhenjiang Clinical Research Center of Hematology, Zhenjiang, Jiangsu, People's Republic of China.,The Key Lab of Precision Diagnosis and Treatment in Hematologic Malignancies of Zhenjiang City, Zhenjiang, Jiangsu, People's Republic of China.,Laboratory Center, Affiliated People's Hospital of Jiangsu University, 8 Dianli Rd., Zhenjiang, 212002, People's Republic of China
| | - Xiang-Mei Wen
- Zhenjiang Clinical Research Center of Hematology, Zhenjiang, Jiangsu, People's Republic of China.,The Key Lab of Precision Diagnosis and Treatment in Hematologic Malignancies of Zhenjiang City, Zhenjiang, Jiangsu, People's Republic of China.,Laboratory Center, Affiliated People's Hospital of Jiangsu University, 8 Dianli Rd., Zhenjiang, 212002, People's Republic of China
| | - Wei Zhang
- Department of Hematology, Affiliated People's Hospital of Jiangsu University, 8 Dianli Rd., Zhenjiang, 212002, People's Republic of China.,Zhenjiang Clinical Research Center of Hematology, Zhenjiang, Jiangsu, People's Republic of China.,The Key Lab of Precision Diagnosis and Treatment in Hematologic Malignancies of Zhenjiang City, Zhenjiang, Jiangsu, People's Republic of China
| | - Zhao-Qun Deng
- Zhenjiang Clinical Research Center of Hematology, Zhenjiang, Jiangsu, People's Republic of China.,The Key Lab of Precision Diagnosis and Treatment in Hematologic Malignancies of Zhenjiang City, Zhenjiang, Jiangsu, People's Republic of China.,Laboratory Center, Affiliated People's Hospital of Jiangsu University, 8 Dianli Rd., Zhenjiang, 212002, People's Republic of China
| | - Jun Qian
- Department of Hematology, Affiliated People's Hospital of Jiangsu University, 8 Dianli Rd., Zhenjiang, 212002, People's Republic of China. .,Zhenjiang Clinical Research Center of Hematology, Zhenjiang, Jiangsu, People's Republic of China. .,The Key Lab of Precision Diagnosis and Treatment in Hematologic Malignancies of Zhenjiang City, Zhenjiang, Jiangsu, People's Republic of China.
| | - Jiang Lin
- Department of Hematology, Affiliated People's Hospital of Jiangsu University, 8 Dianli Rd., Zhenjiang, 212002, People's Republic of China. .,Zhenjiang Clinical Research Center of Hematology, Zhenjiang, Jiangsu, People's Republic of China. .,The Key Lab of Precision Diagnosis and Treatment in Hematologic Malignancies of Zhenjiang City, Zhenjiang, Jiangsu, People's Republic of China. .,Laboratory Center, Affiliated People's Hospital of Jiangsu University, 8 Dianli Rd., Zhenjiang, 212002, People's Republic of China.
| | - Jing-Dong Zhou
- Department of Hematology, Affiliated People's Hospital of Jiangsu University, 8 Dianli Rd., Zhenjiang, 212002, People's Republic of China. .,Zhenjiang Clinical Research Center of Hematology, Zhenjiang, Jiangsu, People's Republic of China. .,The Key Lab of Precision Diagnosis and Treatment in Hematologic Malignancies of Zhenjiang City, Zhenjiang, Jiangsu, People's Republic of China.
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Tang W, Kang M, Liu C, Qiu H. Leptin rs7799039 (G2548A) polymorphism is associated with cancer risk: a meta-analysis involving 25,799 subjects. Onco Targets Ther 2019; 12:2879-2890. [PMID: 31114233 PMCID: PMC6489571 DOI: 10.2147/ott.s190093] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2018] [Accepted: 03/07/2019] [Indexed: 12/24/2022] Open
Abstract
Background: Leptin (LEP) is a human analogous form of the mouse obese gene and plays a critical role in energy expenditure as well as the progression of carcinogenesis. Many studies exploring the relationship between the LEP rs7799039 (G2548A) polymorphism and cancer risk have observed controversial results. To extensively evaluate this potential association, we conducted this meta-analysis. Methods: All eligible studies published up to August 2018 on the relationship between the LEP rs7799039 G>A polymorphism and cancer risk were obtained by searching PubMed, EMBASE, and the China Biology Medicine databases. The association of LEP rs7799039 G>A polymorphism with cancer risk was evaluated by crude ORs together with their 95% CI's. Results: Thirty-one case–control studies involving 25,799 subjects were included for meta-analysis. We identify a significant correlation with an overall cancer risk when these eligible case–control studies were pooled for analysis: for AA vs GG: an OR = 1.22, 95% CI = 1.01–1.48, P = 0.042 and for AA/GA vs GG: an OR = 1.16, 95% CI = 1.02–1.33, P = 0.026. A significant association was also detected in Asians, prostate cancer, other cancers, and hematopoietic malignancy subgroups. Sensitivity analysis was conducted by deleting an individual study in turn and calculation of the pooled ORs and CIs of the remainders. The results of sensitivity analyses indicated that no eligible study influenced the pooled ORs and CIs materially. Begg’s and Egger’s tests revealed that there was no evidence of publication bias. Conclusion: In conclusion, our study suggests that the LEP rs7799039 G>A polymorphism might contribute to the development of cancer. In order to further verify or refute our findings, large and well-designed epidemiological studies are needed.
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Affiliation(s)
- Weifeng Tang
- Department of Cardiothoracic Surgery, Affiliated People's Hospital of Jiangsu University, Zhenjiang, Jiangsu Province, People's Republic of China
| | - Mingqiang Kang
- Department of Thoracic Surgery, Fujian Medical University Union Hospital, Fuzhou, Fujian Province, People's Republic of China.,Key Laboratory of Ministry of Education for Gastrointestinal Cancer, Fujian Medical University, Fuzhou, Fujian Province, People's Republic of China.,Fujian Key Laboratory of Tumor Microbiology, Fujian Medical University, Fuzhou, Fujian Province, People's Republic of China
| | - Chao Liu
- Department of Cardiothoracic Surgery, Affiliated People's Hospital of Jiangsu University, Zhenjiang, Jiangsu Province, People's Republic of China
| | - Hao Qiu
- Department of Immunology, School of Medicine, Jiangsu University, Zhenjiang, Jiangsu Province, People's Republic of China
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Argyrou C, Hatziagapiou K, Theodorakidou M, Nikola OA, Vlahopoulos S, Lambrou GI. The role of adiponectin, LEPTIN, and ghrelin in the progress and prognosis of childhood acute lymphoblastic leukemia. Leuk Lymphoma 2019; 60:2158-2169. [PMID: 30696312 DOI: 10.1080/10428194.2019.1569230] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Abstract
Acute lymphoblastic leukemia (ALL) is the most common pediatric malignancy. Dysregulation of adipokine pathways is implicated in the carcinogenesis and ALL. The aim of this study is to present the most recent data available regarding the role of leptin, adiponectin and ghrelin in the pathogenesis and prognosis of ALL. The PubMed database was searched using 'Leptin', 'Adiponectin', 'Ghrelin', 'Cancer', 'Children' and 'Acute Lymphoblastic Leukemia' as keywords. The majority of the studies indicated that leptin levels are increased and adiponectin levels are decreased in ALL children at diagnosis, as well as in ALL survivors. Ghrelin levels were found to be lower at diagnosis and progressively increased during treatment. Further research is warranted, as the heterogeneity of the current studies, various treatment protocols and differences in sample sizes make it difficult to deduce solid conclusions regarding the role of adipokines in ALL.
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Affiliation(s)
- Chrysa Argyrou
- First Department of Pediatrics, National and Kapodistrian University of Athens, Choremeio Research Laboratory , Athens , Greece
| | - Kyriaki Hatziagapiou
- First Department of Pediatrics, National and Kapodistrian University of Athens, Choremeio Research Laboratory , Athens , Greece
| | - Margarita Theodorakidou
- First Department of Pediatrics, National and Kapodistrian University of Athens, Choremeio Research Laboratory , Athens , Greece
| | - Olti Alexandra Nikola
- First Department of Pediatrics, National and Kapodistrian University of Athens, Choremeio Research Laboratory , Athens , Greece
| | - Spiros Vlahopoulos
- First Department of Pediatrics, National and Kapodistrian University of Athens, Choremeio Research Laboratory , Athens , Greece
| | - George I Lambrou
- First Department of Pediatrics, National and Kapodistrian University of Athens, Choremeio Research Laboratory , Athens , Greece
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