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He J, Zou W, Du H, Liu S, Li X, Zhou Z, Zhu X. Executive function deficits in adults with childhood-onset type 1 diabetes mellitus: Evidence from Wisconsin card sorting test performance. J Diabetes Investig 2025; 16:945-951. [PMID: 40007332 PMCID: PMC12057367 DOI: 10.1111/jdi.70007] [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: 08/15/2024] [Revised: 01/14/2025] [Accepted: 01/25/2025] [Indexed: 02/27/2025] Open
Abstract
BACKGROUND Executive functions (EFs) are important for the Type 1 diabetes mellitus (T1DM) self-care perspective. This study aimed to investigate whether patients with T1DM have poorer EFs than healthy controls (HCs) and whether there are differences in EFs between childhood-onset and adult-onset T1DM. METHODS This study included 94, 110, and 100 participants with childhood-onset and adult-onset T1DM and HCs, respectively. All participants completed the Wisconsin Card Sorting Test to assess EFs. The Chinese version of the WAIS and BDI-II were performed to determine IQ and emotion in all participants. RESULTS The childhood-onset group made lower scores of WCST total errors (P = 0.015), perseverative errors (P = 0.038) than the HC group, and the adult-onset group made lower scores of WCST total errors (P = 0.025) than the HC group. In the diabetes group, after controlling diabetes duration, the childhood-onset group made significantly higher scores of WCST total errors (P = 0.040), perseverative errors (P = 0.038), and non-perseverative errors (P = 0.013). In the childhood-onset group, perseverative errors were significantly associated with duration of T1DM (β = -0.24, t = -2.34, P = 0.021), and the history of severe hypoglycemia affects the non-perseverative errors(β = -0.26, t = -2.55, P = 0.013). CONCLUSIONS T1DM is associated with EF decrements, and there are differences in EFs between childhood-onset and adult-onset T1DM. These findings indicate that we should consider detecting and intervening in EF deficits in the T1DM population according to the age of onset.
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Affiliation(s)
- Jing He
- Department of PsychologyHunan First Normal UniversityChangshaHunanChina
- Medical Psychological Center, The Second Xiangya HospitalCentral South UniversityChangshaHunanChina
- Hunan Key Laboratory of Children's Psychological Development and Brain Cognitive ScienceChangshaHunanChina
| | - Wenjing Zou
- Department of Radiology, The First Affiliated HospitalZhejiang University School of MedicineHangzhouZhejiangChina
| | - Hongyu Du
- Medical Psychological Center, The Second Xiangya HospitalCentral South UniversityChangshaHunanChina
- Medical Psychological Institute of Central South UniversityChangshaHunanChina
| | - Songzhuzi Liu
- Department of PsychologyNortheast Normal UniversityChangchunJilinChina
| | - Xia Li
- Institute of Endocrinology and Metabolism, The Second Xiangya HospitalCentral South UniversityChangshaHunanChina
| | - Zhiguang Zhou
- Institute of Endocrinology and Metabolism, The Second Xiangya HospitalCentral South UniversityChangshaHunanChina
| | - Xiongzhao Zhu
- Medical Psychological Center, The Second Xiangya HospitalCentral South UniversityChangshaHunanChina
- Medical Psychological Institute of Central South UniversityChangshaHunanChina
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Sepúlveda E, Poínhos R, Nata G, Gaspar N, Freitas P, Vicente SG, Amiel SA, Carvalho D. Relationship between severe hypoglycemia or impaired awareness of hypoglycemia and diabetes-related health status, global cognition and executive functions in adults with type 1 diabetes without severe anxiety or depression. Diabetes Res Clin Pract 2025; 221:112004. [PMID: 39805380 DOI: 10.1016/j.diabres.2025.112004] [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: 10/26/2024] [Revised: 01/07/2025] [Accepted: 01/08/2025] [Indexed: 01/16/2025]
Abstract
AIMS To explore the relationship between impaired awareness of hypoglycemia (IAH) or severe hypoglycemia (SH), and health status and cognition in adults with type 1 diabetes (T1D). METHODS T1D adults attending a tertiary diabetes service were recruited into this cross-sectional study. People screening positive for severe anxiety or depression were not included. Hypoglycemia awareness status was assessed using the full-scale and factor 1 of the Minimally Modified Clarke Hypoglycemia Survey (MMCHS; ≥4 and ≥2 = IAH); and data collected on health status (Diabetes Health Profile: barriers to activity, BA; psychological distress, PD; disinhibited eating); global cognition (Montreal Cognitive Assessment); and executive functions (EF; INECO Frontal Screening, IFS). A score of reduced awareness in item 3 and/or 4 of the MMCHS defined experience of ≥1 SH in past 6-12 months. RESULTS In 165 T1D adults, prevalences of SH, IAH by MMCHS full-scale and factor 1 were 35%, 13% and 28%. Participants with IAH by factor 1 had higher scores for PD (p = 0.008). Participants with SH and IAH (full-scale or factor 1) had higher BA scores (all p < 0.05) but no impairment of global cognition or EF. Participant Z-score IFS was lower than in non-diabetic individuals (p < 0.001). CONCLUSIONS In our cohort, executive dysfunction in T1D was not associated with SH or IAH. IAH was associated with PD, and both SH and IAH were related to behavioral dysfunction.
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Affiliation(s)
- Eduardo Sepúlveda
- Center for Psychology at the Universidade do Porto, Faculty of Psychology and Educational Sciences, Universidade do Porto, Porto, Portugal; Diabetes Research Group, King's College London, London, UK; Clínica Privada de Guimarães, Guimarães, Portugal.
| | - Rui Poínhos
- Faculty of Nutrition and Food Sciences, Universidade do Porto, Porto, Portugal
| | - Gil Nata
- Center for Research and Intervention in Education and Center for Psychology at the Universidade do Porto, Faculty of Psychology and Educational Sciences, Universidade do Porto, Porto, Portugal
| | - Nuno Gaspar
- Center for Psychology at the Universidade do Porto, Faculty of Psychology and Educational Sciences, Universidade do Porto, Porto, Portugal
| | - Paula Freitas
- Faculty of Medicine, Instituto de Investigação e Inovação em Saúde, Universidade do Porto, Porto, Portugal; ULS São João, Porto, Portugal
| | - Selene G Vicente
- Center for Psychology at the Universidade do Porto, Faculty of Psychology and Educational Sciences, Universidade do Porto, Porto, Portugal
| | - Stephanie A Amiel
- Diabetes Research Group, School of Cardiovascular and Metabolic Medicine and Sciences, King's College London, London, UK
| | - Davide Carvalho
- Faculty of Medicine, Instituto de Investigação e Inovação em Saúde, Universidade do Porto, Porto, Portugal
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Varga B, Tilinca MC, Marton L, Ionescu CN, Szabo MIM. Cognitive decline and diabetes in the clinical setting. Med Pharm Rep 2025; 98:67-75. [PMID: 39949917 PMCID: PMC11817590 DOI: 10.15386/mpr-2653] [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: 07/18/2023] [Revised: 01/02/2024] [Accepted: 01/27/2024] [Indexed: 02/16/2025] Open
Abstract
Objective The aim of our study was to evaluate the prevalence of cognitive decline in patients with diabetes in the clinical setting and to identify patient characteristics directly associated with this condition. Methods In our cross-sectional study, we applied the Mini Mental State Examination (MMSE) and the Montreal Cognitive Assessment (MoCA) to determine cognitive function in 172 diabetic patients, in the clinical setting. We included 120 patients with type 2 diabetes (T2DM), 42 cases with type 1 diabetes (T1DM) and 10 patients with confirmed secondary diabetes (SDM). The mean age of the participants was 62.4 years (±1.01, min: 26 years, Max: 87 years), with median diabetes duration of 15±11.8 years. Results More than half (55.23%) of the subjects presented cognitive deterioration, which was diabetes type-specific (p<0.05). Mild forms affected mostly T1DM and SDM cases (31.5% and 30% vs. T2DM: 14.5%, p=0.00), whereas moderate cognitive decline was more predominant in T2DM (21.9% vs. T1DM: 7.1%, p=0.1). A higher prevalence of severe cognitive impairment was present in T1DM (14.5% vs. T2DM: 8.7%, p=0.1).The middle-aged category (40-64 years) was characterized by a more significant reduction of cognitive function in comparison with other age groups (p=0.02).No gender-related difference in the prevalence of cognitive decline was found (female: 45.83% vs male: 45.71%, p=0.98), although severe forms were significantly more suggestive for men (15.27% vs. 4.18%, p=0.04).Diabetic ketoacidosis (DKA) at admission was more frequently associated with cognitive deterioration, in comparison with hypoglycemic events (p=0.03).In T2DM, cognitive decline (p=0.006, r=-0.342) was associated with the presence of anemia.In T2DM women, treatment with calcium-channel blockers facilitated cognitive decrement (p=0.01, r=-0.339), whereas in men, therapy for distal symmetric polyneuropathy resulted in higher MMSE/MoCA test scores (p=0.00, r=0.72).In T1DM, a higher glycemic burden evidenced by increased HbA1c (p=0.03, r=-0.364) and glycemia at admission (p=0.01, r=-0.389) was suggestive to a more severe form of cognitive impairment. Distal symmetrical polyneuropathy (p=0.05, r=-0.305) and diabetic retinopathy (p=0.03, r=-0.102) was often co-occurring with cognitive decline.Cognitive deterioration was associated with insulin therapy (p=0.05, r=-0.232). Conclusion The prevalence of cognitive decline is high in the diabetic population. Risk stratification must start at diagnosis and physicians should follow disease progression periodically, with special attention attributed to T1DM and the middle-aged population.
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Affiliation(s)
- Boglárka Varga
- Clinic of Diabetology, Department of Internal Medicine, Emergency County Clinic, Târgu Mureş, Romania
| | - Mariana Cornelia Tilinca
- Clinic of Diabetology, Department of Internal Medicine, Emergency County Clinic, Târgu Mureş, Romania
- George Emil Palade University of Medicine, Pharmacy, Sciences and Technology, Târgu Mureş, Romania
| | - László Marton
- Clinic of Diabetology, Department of Internal Medicine, Emergency County Clinic, Târgu Mureş, Romania
| | | | - Monica Iudita Maria Szabo
- Clinic of Diabetology, Department of Internal Medicine, Emergency County Clinic, Târgu Mureş, Romania
- George Emil Palade University of Medicine, Pharmacy, Sciences and Technology, Târgu Mureş, Romania
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Osman ST, Purba W, Daramola O, Amin Bhuiyan MMA, Nwaiwu J, Fowowe M, Wang J, Hamdy NA, Agami MA, El-Feky AY, El-Khordagui LK, Mechref YS, El-Yazbi AF. Positive impact of DPP-4 or SGLT2 inhibitors on mild cognitive impairment in type 2 diabetes patients on metformin therapy: A metabolomic mechanistic insight. Biomed Pharmacother 2025; 182:117771. [PMID: 39709941 DOI: 10.1016/j.biopha.2024.117771] [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: 09/02/2024] [Revised: 12/03/2024] [Accepted: 12/14/2024] [Indexed: 12/24/2024] Open
Abstract
Mild cognitive impairment is increasingly recognized as a complication of type 2 diabetes (T2D). Although currently no disease-modifying treatments for cognitive disorders exist, interest surged in potential neuroprotective effects of newer anti-diabetic drugs. This study investigates the impact of newer anti-diabetic drug classes, dipeptidyl peptidase-4 (DPP-4i) and sodium-glucose cotransporter-2 inhibitors (SGLT2i) - on cognitive decline in T2D patients on metformin therapy. A prospective observational cohort study was conducted, with a follow-up duration of 6 months. The study compared the cognitive performance of T2D patients on metformin monotherapy to those on a combination of metformin with DPP-4i or SGLT2i, using the Montreal Cognitive Assessment Battery. A group of healthy volunteers served as a reference. At baseline, patients receiving combination therapy had a cognitive performance comparable to that of healthy volunteers, while those on metformin monotherapy scored lower. These differences persisted for patients who completed the follow-up, though there was no change within group. Baseline differences were independent of glycemic control, blood lipids, renal function, and serum inflammatory markers. Comprehensive metabolomics and lipidomics revealed that T2D patients on metformin monotherapy exhibited enriched purine, glutathione and sphingolipid metabolism, with alterations in xanthine, L-pyroglutamic acid, and several sphingomyelins. These changes suggest increased oxidative stress in T2D, mitigated in the combination therapy group, as evidenced by total serum antioxidant capacity. As such, we conclude that the combination of DPP-4i or SGLT2i with metformin positively impacts cognitive function in T2D patients by modulating metabolic pathways rather than improving glycemic control, peripheral diabetic complications, or systemic inflammation.
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Affiliation(s)
- Shams T Osman
- Department of Clinical Pharmacy and Pharmacy Practice, Faculty of Pharmacy, Alexandria University, Alexandria, Egypt
| | - Waziha Purba
- Chemistry and Biochemistry Department, Texas Tech University, Lubbock, TX USA
| | - Oluwatosin Daramola
- Chemistry and Biochemistry Department, Texas Tech University, Lubbock, TX USA
| | | | - Judith Nwaiwu
- Chemistry and Biochemistry Department, Texas Tech University, Lubbock, TX USA
| | - Mojibola Fowowe
- Chemistry and Biochemistry Department, Texas Tech University, Lubbock, TX USA
| | - Junyao Wang
- Chemistry and Biochemistry Department, Texas Tech University, Lubbock, TX USA
| | - Noha A Hamdy
- Department of Clinical Pharmacy and Pharmacy Practice, Faculty of Pharmacy, Alexandria University, Alexandria, Egypt
| | - Mahmoud A Agami
- Department of Analytical Chemistry, New Valley University, Kharga, New Valley, Egypt; Research and Innovation Hub, Alamein International University, Alamein, Egypt
| | - Amr Y El-Feky
- Internal Medicine Department, Faculty of Medicine, Alexandria University, Alexandria, Egypt
| | - Labiba K El-Khordagui
- Department of Pharmaceutics, Faculty of Pharmacy, Alexandria University, Alexandria, Egypt
| | - Yehia S Mechref
- Chemistry and Biochemistry Department, Texas Tech University, Lubbock, TX USA.
| | - Ahmed F El-Yazbi
- Research and Innovation Hub, Alamein International University, Alamein, Egypt; Department of Pharmacology and Toxicology, Faculty of Pharmacy, Alexandria University, Alexandria, Egypt; Department of Pharmacology and Therapeutics, Faculty of Pharmacy, Alamein International University, Alamein, Egypt.
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Nagasawa K, Matsumura K, Uchida T, Suzuki Y, Nishimura A, Okubo M, Igeta Y, Kobayashi T, Sakurai T, Mori Y. Global cognition and executive functions of older adults with type 1 diabetes mellitus without dementia. J Diabetes Investig 2024; 15:922-930. [PMID: 38525910 PMCID: PMC11215676 DOI: 10.1111/jdi.14191] [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: 10/25/2023] [Revised: 02/23/2024] [Accepted: 03/07/2024] [Indexed: 03/26/2024] Open
Abstract
AIMS/INTRODUCTION This study aimed to characterize the global cognition and executive functions of older adults with type 1 diabetes mellitus in comparison with type 2 diabetes mellitus. MATERIALS AND METHODS This study included 37 patients with type 1 diabetes mellitus aged ≥65 years and 37 age- and sex-matched patients with type 2 diabetes mellitus. Patients with dementia scoring <24 on the Mini-Mental State Examination were excluded. General cognition, memory, classic, and practical executive function were investigated. RESULTS Patients with type 1 diabetes mellitus demonstrated lower psychomotor speed scores on Trail Making Tests A and B (P < 0.001, P < 0.013) than those with type 2 diabetes mellitus. The dysexecutive syndrome behavioral assessment revealed similar results in patients with types 1 and 2 diabetes mellitus. The Wechsler Memory Scale-Revised verbal episodic memory and Montreal Cognitive Assessment Japanese version were similar in terms of general cognition, but worse delayed recall subset on the latter was associated with type 2 diabetes mellitus (P = 0.038). A worse Trail Making Test-A performance was associated with type 1 diabetes mellitus and age (P < 0.004, P < 0.029). CONCLUSIONS Executive function of psychomotor speed was worse in older outpatient adults without dementia with type 1 diabetes mellitus than in those with type 2 diabetes mellitus but with no significant differences in the comprehensive and practical behavioral assessment of dysexecutive syndrome. Patients with type 1 diabetes had more severely impaired executive function, whereas those with type 2 had greater impaired memory than executive function.
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Affiliation(s)
- Kaoru Nagasawa
- Department of Endocrinology and MetabolismToranomon HospitalTokyoJapan
| | - Kimio Matsumura
- Department of Endocrinology and MetabolismToranomon HospitalTokyoJapan
| | - Takayasu Uchida
- Department of Endocrinology and MetabolismToranomon HospitalTokyoJapan
| | - Yuya Suzuki
- Department of Endocrinology and MetabolismToranomon HospitalTokyoJapan
| | | | - Minoru Okubo
- Okinaka Memorial Institute for Medical ResearchTokyoJapan
| | | | | | - Takashi Sakurai
- Department of Prevention and Care Science, Research InstituteNational Center for Geriatrics and GerontologyObuJapan
| | - Yasumichi Mori
- Department of Endocrinology and MetabolismToranomon HospitalTokyoJapan
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Fonseca LM, Kanapka L, Miller K, Pratley R, Rickels MR, Rizvi S, Kudva YC, Weinstock RS, Chaytor NS. Risk factors associated with cognitive performance and cognitive impairment in older adults with type 1 diabetes: Data from the Wireless Innovation for Seniors with Diabetes Mellitus (WISDM) study. J Diabetes Complications 2024; 38:108739. [PMID: 38564971 DOI: 10.1016/j.jdiacomp.2024.108739] [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: 10/23/2023] [Revised: 03/13/2024] [Accepted: 03/25/2024] [Indexed: 04/04/2024]
Abstract
BACKGROUND Adults with type 1 diabetes (T1D) are considered at increased risk for cognitive impairment and accelerated brain aging. However, longitudinal data on cognitive impairment and dementia in this population are scarce. OBJECTIVE To identify risk factors associated with cognitive performance and cognitive impairment in a longitudinal sample of older adults with T1D. METHODS We analyzed data collected as part of the Wireless Innovation for Seniors with Diabetes Mellitus (WISDM) Study, in which 22 endocrinology practices participated. Randomized participants with T1D ≥60 years of age who completed at least one cognitive assessment were included in this study (n = 203). Cognitive impairment was classified using published recommendations. RESULTS Older age, male sex, non-private health insurance, worse daily functioning, diagnosis of neuropathy, and longer duration of diabetes were associated with worse cognitive performance, but not cognitive impairment. 49 % and 39 % of the sample met criteria for cognitive impairment at baseline and 52 weeks respectively. Of the participants that had data at both time points, 10 % were normal at baseline and impaired at 52 weeks and 22 % of participants (44 % of those classified with cognitive impairment at baseline) reverted to normal over 52 weeks. CONCLUSION This study indicated that several demographic and clinical characteristics are associated with worse cognitive performance in older adults with T1D, but there were no associations between these characteristics and cognitive impairment defined by NIH Toolbox cognitive impairment criteria. Caution is warranted when assessing cognition in older adults with T1D, as a large percentage of those identified as having cognitive impairment at baseline reverted to normal after 52 weeks. There is need for future studies on the interrelationship of cognition and aging to better understand the effects of T1D on cognitive health, to improve clinical monitoring and help mitigate the risk of dementia in this population.
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Affiliation(s)
- Luciana Mascarenhas Fonseca
- Department of Community and Behavioral Health, Elson S Floyd College of Medicine, Washington State University, USA; Programa Terceira Idade (PROTER, Old Age Research Group), Department and Institute of Psychiatry, University of São Paulo School of Medicine, São Paulo, Brazil.
| | | | | | - Richard Pratley
- AdventHealth Translational Research Institute, Orlando, FL, USA
| | - Michael R Rickels
- Division of Endocrinology, Diabetes & Metabolism, Department of Medicine and Institute for Diabetes, Obesity & Metabolism, University of Pennsylvania Perelman School of Medicine, Philadelphia, PA, USA
| | - Shafaq Rizvi
- Division of Endocrinology, Diabetes & Nutrition, Department of Medicine, Mayo Clinic, Rochester, MN, USA
| | - Yogish C Kudva
- Division of Endocrinology, Diabetes & Nutrition, Department of Medicine, Mayo Clinic, Rochester, MN, USA
| | - Ruth S Weinstock
- Department of Medicine, SUNY Upstate Medical University, Syracuse, NY, USA
| | - Naomi S Chaytor
- Department of Community and Behavioral Health, Elson S Floyd College of Medicine, Washington State University, USA
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Stanisławska-Kubiak M, Majewska KA, Krasińska A, Wais P, Majewski D, Mojs E, Kȩdzia A. Brain functional and structural changes in diabetic children. How can intellectual development be optimized in type 1 diabetes? Ther Adv Chronic Dis 2024; 15:20406223241229855. [PMID: 38560719 PMCID: PMC10981223 DOI: 10.1177/20406223241229855] [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: 06/20/2023] [Accepted: 01/11/2024] [Indexed: 04/04/2024] Open
Abstract
The neuropsychological functioning of people with type 1 diabetes (T1D) is of key importance to the effectiveness of the therapy, which, in its complexity, requires a great deal of knowledge, attention, and commitment. Intellectual limitations make it difficult to achieve the optimal metabolic balance, and a lack of this alignment can contribute to the further deterioration of cognitive functions. The aim of this study was to provide a narrative review of the current state of knowledge regarding the influence of diabetes on brain structure and functions during childhood and also to present possible actions to optimize intellectual development in children with T1D. Scopus, PubMed, and Web of Science databases were searched for relevant literature using selected keywords. The results were summarized using a narrative synthesis. Disturbances in glucose metabolism during childhood may have a lasting negative effect on the development of the brain and related cognitive functions. To optimize intellectual development in children with diabetes, it is essential to prevent disorders of the central nervous system by maintaining peri-normal glycemic levels. Based on the performed literature review, it seems necessary to take additional actions, including repeated neuropsychological evaluation with early detection of any cognitive dysfunctions, followed by the development of individual management strategies and the training of appropriate skills, together with complex, multidirectional environmental support.
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Affiliation(s)
- Maia Stanisławska-Kubiak
- Department of Clinical Psychology, Poznan University of Medical Sciences, ul. Bukowska 70, Poznan 60-812, Poland
| | - Katarzyna Anna Majewska
- Department of Pediatric Diabetes, Auxology and Obesity, Poznan University of Medical Sciences, Poznan, Poland
| | - Agata Krasińska
- Department of Pediatric Diabetes, Auxology and Obesity, Poznan University of Medical Sciences, Poznan, Poland
| | - Paulina Wais
- Department of Pediatric Diabetes, Auxology and Obesity, Poznan University of Medical Sciences, Poznan, Poland
| | - Dominik Majewski
- Department of Internal Medicine, Poznan University of Medical Sciences, Poznan, Poland
| | - Ewa Mojs
- Department of Clinical Psychology, Poznan University of Medical Sciences, Poznan, Poland
| | - Andrzej Kȩdzia
- Department of Pediatric Diabetes, Auxology and Obesity, Poznan University of Medical Sciences, Poznan, Poland
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Choe J, Kudrna R, Fonseca LM, Chaytor NS. Usefulness of the Montreal Cognitive Assessment in Older Adults With Type 1 Diabetes. Diabetes Spectr 2023; 36:385-390. [PMID: 37982060 PMCID: PMC10654125 DOI: 10.2337/ds23-0012] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/21/2023]
Abstract
Objective Older adults with type 1 diabetes are at high risk for cognitive impairment, yet the usefulness of common cognitive screening instruments has not been evaluated in this population. Methods A total of 201 adults ≥60 years of age with type 1 diabetes completed a battery of neuropsychological measures and the Montreal Cognitive Assessment (MoCA). Receiver operating characteristic (ROC) curves and Youden indices were used to evaluate overall screening test performance and to select an optimal MoCA cutoff score for detecting low cognitive performance, as defined as two or more neuropsychological test performances ≥1.5 SD below demographically corrected normative data. Results The ROC area under the curve (AUC) was 0.745 (P < 0.001). The publisher-recommended cutoff score of <26 resulted in sensitivity of 60.4% and specificity of 71.4%, whereas a cutoff score of <27 resulted in sensitivity of 75.0% and specificity of 61.0%. The Youden indices for these cutoff scores were 0.318 and 0.360, respectively. Minimally acceptable sensitivity (i.e., >0.80) was obtained when using a cutoff score of <28, whereas >0.80 specificity was obtained with a cutoff score of <25. Conclusions The MoCA has modest overall performance (AUC 0.745) as a cognitive screening instrument in older adults with type 1 diabetes. The standard cutoff score of <26/30 may not adequately detect individuals with neuropsychological testing-defined abnormal cognition. The optimal MoCA cutoff score (based on the Youden index) was <27/30. A score of <28 resulted in acceptable sensitivity but was accompanied by low specificity (42%). Future studies with a more diverse population are needed to confirm these findings.
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Affiliation(s)
- James Choe
- Elson S. Floyd College of Medicine, Washington State University, Spokane, WA
| | - Rachel Kudrna
- Elson S. Floyd College of Medicine, Washington State University, Spokane, WA
| | | | - Naomi S. Chaytor
- Elson S. Floyd College of Medicine, Washington State University, Spokane, WA
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9
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Germine LT, Han SD, Chaytor NS. New Methods Permit a Science of Everyday Functioning in Type 1 Diabetes. Diabetes Care 2023; 46:1330-1331. [PMID: 37339350 PMCID: PMC10300512 DOI: 10.2337/dci23-0026] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/14/2023] [Accepted: 04/17/2023] [Indexed: 06/22/2023]
Affiliation(s)
- Laura T. Germine
- Institute for Technology in Psychiatry, McLean Hospital, Belmont, MA
- Department of Psychiatry, Harvard Medical School, Boston, MA
| | - S. Duke Han
- Department of Family Medicine, Keck School of Medicine, University of Southern California, Los Angeles, CA
| | - Naomi S. Chaytor
- Department of Community and Behavioral Health, Elson S. Floyd College of Medicine, Washington State University, Spokane, WA
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10
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Dehnavi AZ, Zhang-James Y, Draytsel D, Carguello B, Faraone SV, Weinstock RS. Association of ADHD symptoms with type 2 diabetes and cardiovascular comorbidities in adults receiving outpatient diabetes care. J Clin Transl Endocrinol 2023; 32:100318. [PMID: 37124458 PMCID: PMC10130340 DOI: 10.1016/j.jcte.2023.100318] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2022] [Revised: 03/10/2023] [Accepted: 04/05/2023] [Indexed: 05/02/2023] Open
Abstract
Background The relationship between attention-deficit/hyperactivity disorder (ADHD) symptoms and type 2 diabetes mellitus (T2D) and its cardiovascular outcomes have not been sufficiently studied. Methods 2,986 adults with T2D from the Joslin Diabetes Center at Upstate Medical University were assessed for ADHD-like symptoms, executive dysfunction, and emotional control using the Adult Self-Report Scale V1.1 (ASRS) expanded version. Surveys were sent electronically, and clinical data were obtained from the electronic medical record. Pearson chi-square test was used for categorical variables association. When ASRS scores were the dependent variable, negative binomial regression correcting for demographic variables that were associated with the ASRS scores was used. Results 155 (49.2%) of respondents met DSM-5 criteria for ADHD using the ASRS scores; Only ten (3.6%) of respondents had an ICD10 diagnosis of ADHD in their medical record; Forty-three (13.7%) had either a diagnosis of ADHD in the medical history or were taking medications used by people with ADHD. Higher levels of ADHD-like symptoms were found in patients with T2D compared with population norms. There was a modest association of the ASRS executive dysfunction subscale with overall cardiovascular comorbidities (p = 0.03). However, the p-value did not survive the multiple testing correction. Both ADHD-like symptoms and symptoms associated with emotional control, however, were not associated with specific cardiovascular diseases, hypertension, or with HbA1c, LDL-cholesterol, triglycerides, ALT, creatinine, or eGFR. Conclusion Our results suggest that adults with T2D attending a tertiary care diabetes clinic are at risk for having ADHD-like symptoms, highlighting the importance of screening for ADHD symptoms in this specialty setting and referring undiagnosed adult patients for further assessment and treatment of ADHD. Larger studies are needed to clarify the relationship between ADHD-like symptoms, executive dysfunction, and emotional control with diabetic control and comorbidities.
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Affiliation(s)
- Ali Zare Dehnavi
- School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Yanli Zhang-James
- Department of Psychiatry and Behavioral Sciences, SUNY Upstate Medical University, Syracuse, NY, USA
| | - Dan Draytsel
- Norton College of Medicine, SUNY Upstate Medical University, Syracuse, NY, USA
| | - Ben Carguello
- Norton College of Medicine, SUNY Upstate Medical University, Syracuse, NY, USA
- Department of Biotechnology, SUNY ESF, Syracuse, NY, USA
| | - Stephen V. Faraone
- Department of Psychiatry and Behavioral Sciences, SUNY Upstate Medical University, Syracuse, NY, USA
- Department of Neuroscience and Physiology, SUNY Upstate Medical University, Syracuse, NY, USA
- Corresponding author at: SUNY Upstate Medical University, 750 East Adams St., Syracuse, NY 13210, USA.
| | - Ruth S. Weinstock
- Department of Endocrinology, Diabetes and Metabolism, SUNY Upstate Medical University, Syracuse, NY, USA
- Joslin Diabetes Center, SUNY Upstate Medical University, Syracuse, NY, USA
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11
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Kar Ş, Er E, Ata A, İnal-Kaleli İ, Özcan T, Köse S, Özbaran B, Demir G, Özen S, Darcan Ş, Gökşen D. Effect of metabolic control on cognitive functions in children and adolescents with type 1 diabetes mellitus. J Pediatr Endocrinol Metab 2023:jpem-2023-0027. [PMID: 37146253 DOI: 10.1515/jpem-2023-0027] [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: 01/19/2023] [Accepted: 04/20/2023] [Indexed: 05/07/2023]
Abstract
OBJECTIVES Neurocognitive functions of children with type 1 diabetes mellitus (T1D) are reported to be poorer than those of healthy peers. The aim was to investigate the effects of age of onset of diabetes, metabolic control, and type of insulin regimen on neurocognitive functions in children and adolescents with T1D. METHODS Forty-seven children aged 6-18 years, with T1D for at least five years, were included. Children with a known psychiatric disorder or chronic diseases other than T1D were excluded. Intelligence via the Wechsler children's intelligence scale (WISC-R), short-term memory via the audio-auditory digits form B (GISD-B) test, visual motor perception via the Bender Gestalt test, and attention via the Moxo continuous attention and performance test, timing, hyperactivity, and impulsivity (Moxo-dCPT) were assessed. RESULTS Compared with the T1D group, healthy controls had higher scores in terms of verbal intelligence quotient (IQ), performance IQ, and total IQ mean scores on WISC-R (p=0.01, p=0.05 and p=0.01, respectively). On the MOXO-dCPT test, the T1D group had higher impulsivity compared to the control group (p=0.04). Verbal IQ was better in the moderate control group than in the poorer metabolic control (p=0.01). Patients with no history of diabetic ketoacidosis (DKA) had higher performance, verbal and total intelligence scores than the group with history of DKA. CONCLUSIONS Poor metabolic control and a history of DKA in children with T1D adversely affected neurocognitive functions. It would be beneficial to consider the assessment of neurocognitive functions in T1D and to take the necessary precautions in follow-up.
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Affiliation(s)
- Şeyma Kar
- Department of Child Health and Diseases, Ege University Faculty of Medicine, İzmir, Türkiye
| | - Eren Er
- Department of Pediatric Endocrinology and Diabetes, Ege University Faculty of Medicine, İzmir, Türkiye
| | - Aysun Ata
- Department of Pediatric Endocrinology and Diabetes, Ege University Faculty of Medicine, İzmir, Türkiye
| | - İpek İnal-Kaleli
- Department of Child and Adolescent Psychiatry, Ege University Faculty of Medicine, İzmir, Türkiye
| | - Tuğçe Özcan
- Department of Child and Adolescent Psychiatry, Ege University Faculty of Medicine, İzmir, Türkiye
| | - Sezen Köse
- Department of Child and Adolescent Psychiatry, Ege University Faculty of Medicine, İzmir, Türkiye
| | - Burcu Özbaran
- Department of Child and Adolescent Psychiatry, Ege University Faculty of Medicine, İzmir, Türkiye
| | - Günay Demir
- Department of Pediatric Endocrinology and Diabetes, Ege University Faculty of Medicine, İzmir, Türkiye
| | - Samim Özen
- Department of Pediatric Endocrinology and Diabetes, Ege University Faculty of Medicine, İzmir, Türkiye
| | - Şükran Darcan
- Department of Pediatric Endocrinology and Diabetes, Ege University Faculty of Medicine, İzmir, Türkiye
| | - Damla Gökşen
- Department of Pediatric Endocrinology and Diabetes, Ege University Faculty of Medicine, İzmir, Türkiye
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12
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Dogra V, Kumaran SS, Mittal B, Nehra A, Sagar R, Gupta A, Kalaivani M, Gupta Y, Tandon N. Evaluation of structural brain changes and their correlation with cognitive functions in adults with type 1 diabetes stratified by the age of diabetes onset: A cross-sectional study. Diabetes Metab Syndr 2023; 17:102768. [PMID: 37178514 DOI: 10.1016/j.dsx.2023.102768] [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: 10/27/2022] [Revised: 04/04/2023] [Accepted: 04/23/2023] [Indexed: 05/15/2023]
Abstract
BACKGROUND AND AIM T1DM has a significant effect on brain structure and function. Age of onset of diabetes may be a critical factor mediating this impairment. We evaluated young adults with T1DM, stratified by the age of onset, for structural brain changes, hypothesizing that there may be a spectrum of white matter damage in these participants, compared to controls. METHODS We recruited adult patients (20-50 years of age at the time of study enrolment) with onset of T1DM before 18 years of age and at least ten years of schooling, along with controls having normoglycaemia. We compared the Diffusion Tensor Imaging parameters between patients and controls and evaluated their correlations with cognitive z scores, and glycemic measures. RESULTS We evaluated 93 individuals, 69 [age: 24.1 (±4.5) years, gender: 47.8% men, education: 14.7 ± 1.6 years] with T1DM and 24 [age: 27.8 (±5.4) years, gender: 58.3% men, education: 14.6 ± 1.9 years] without T1DM (controls). We did not find any significant correlation of fractional anisotropy (FA) with age at T1D diagnosis, duration of diabetes, current glycemic status, or domain-wise cognitive z scores. The FA was lower (but not statistically significant) in participants with T1DM when evaluated for the whole brain, individual lobes, hippocampi and amygdala. CONCLUSION Participants with T1DM do not show a significant difference in the brain white matter integrity when evaluated in a cohort of young adults with relatively few microvascular complications compared to controls.
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Affiliation(s)
- Vinay Dogra
- Department of Endocrinology & Metabolism, All India Institute of Medical Sciences, New Delhi, 110029, India
| | - S Senthil Kumaran
- Department of NMR & MRI Facility, All India Institute of Medical Sciences, New Delhi, 110029, India
| | - Bhavika Mittal
- Department of Endocrinology & Metabolism, All India Institute of Medical Sciences, New Delhi, 110029, India
| | - Ashima Nehra
- Department of Clinical Neuropsychology, All India Institute of Medical Sciences, New Delhi, 110029, India
| | - Rajesh Sagar
- Department of Psychiatry, All India Institute of Medical Sciences, New Delhi, 110029, India
| | - Anu Gupta
- Department of Neurology, All India Institute of Medical Sciences, New Delhi, 110029, India
| | - Mani Kalaivani
- Department of Biostatistics, All India Institute of Medical Sciences, New Delhi, 110029, India
| | - Yashdeep Gupta
- Department of Endocrinology & Metabolism, All India Institute of Medical Sciences, New Delhi, 110029, India.
| | - Nikhil Tandon
- Department of Endocrinology & Metabolism, All India Institute of Medical Sciences, New Delhi, 110029, India
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13
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Murphy KT, Camenzuli J, Myers SJ, Whitehead SN, Rajakumar N, Melling CWJ. Assessment of executive function in a rodent model of Type 1 diabetes. Behav Brain Res 2023; 437:114130. [PMID: 36179806 DOI: 10.1016/j.bbr.2022.114130] [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: 05/18/2022] [Revised: 08/29/2022] [Accepted: 09/24/2022] [Indexed: 11/15/2022]
Abstract
This study examined the impact of Type 1 Diabetes Mellitus (T1DM) on executive function using a series of operant conditioning-based tasks in rats. Sprague Dawley rats were randomized to either non-diabetic (n = 12; 6 male) or diabetic (n = 14; 6 male) groups. Diabetes was induced using multiple low-dose streptozotocin injections. All diabetic rodents were insulin-treated using subcutaneous insulin pellet implants (9-15 mM). At week 14 of the study, rats were placed on a food restricted diet to induce 5-10 % weight loss. Rodents were familiarized and their set-shifting ability was tested on a series of tasks that required continuous adjustments to novel stimulus-reward paradigms in order to receive food rewards. Results showed no differences in the number of trials, nor number and type of errors made to successfully complete each task between groups. Therefore, we report no differences in executive function, or more specifically set-shifting abilities between non-diabetic and diabetic rodents that receive insulin.
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Affiliation(s)
- Kevin T Murphy
- Exercise Biochemistry Laboratory, School of Kinesiology, Western University, London, ON, Canada
| | - Justin Camenzuli
- Exercise Biochemistry Laboratory, School of Kinesiology, Western University, London, ON, Canada
| | - Sarah J Myers
- Department of Anatomy and Cell Biology, Schulich School of Medicine, Western University, London, ON, Canada
| | - Shawn N Whitehead
- Department of Anatomy and Cell Biology, Schulich School of Medicine, Western University, London, ON, Canada
| | - Nagalingam Rajakumar
- Department of Anatomy and Cell Biology, Schulich School of Medicine, Western University, London, ON, Canada
| | - C W James Melling
- Exercise Biochemistry Laboratory, School of Kinesiology, Western University, London, ON, Canada; Department of Physiology and Pharmacology, Schulich School of Medicine, Western University, London, ON, Canada.
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14
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Marissal-Arvy N, Moisan MP. Diabetes and associated cognitive disorders: Role of the Hypothalamic-Pituitary Adrenal axis. Metabol Open 2022; 15:100202. [PMID: 35958117 PMCID: PMC9357829 DOI: 10.1016/j.metop.2022.100202] [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: 06/07/2022] [Revised: 07/18/2022] [Accepted: 07/20/2022] [Indexed: 11/12/2022] Open
Abstract
Both diabetes types, types 1 and 2, are associated with cognitive impairments. Each period of life is concerned, and this is an increasing public health problem. Animal models have been developed to investigate the biological actors involved in such impairments. Many levels of the brain function (structure, volume, neurogenesis, neurotransmission, behavior) are involved. In this review, we detailed the part potentially played by the Hypothalamic-Pituitary Adrenal axis in these dysfunctions. Notably, regulating glucocorticoid levels, their receptors and their bioavailability appear to be relevant for future research studies, and treatment development.
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Affiliation(s)
- Nathalie Marissal-Arvy
- INRAE, Laboratoire de Nutrition et Neurobiologie Intégrée, UMR 1286, UFR de Pharmacie, 146 Rue Léo Saignat, 33076, Bordeaux Cedex, France
| | - Marie-Pierre Moisan
- University of Bordeaux, Nutrition et Neurobiologie Intégrée, UMR 1286, 33000, Bordeaux, France
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15
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Jin CY, Yu SW, Yin JT, Yuan XY, Wang XG. Corresponding risk factors between cognitive impairment and type 1 diabetes mellitus: a narrative review. Heliyon 2022; 8:e10073. [PMID: 35991978 PMCID: PMC9389196 DOI: 10.1016/j.heliyon.2022.e10073] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2022] [Revised: 04/24/2022] [Accepted: 07/20/2022] [Indexed: 11/30/2022] Open
Abstract
Type 1 diabetes mellitus (T1DM) is a type of diabetes caused by the destruction of pancreatic β cells and the absolute lack of insulin secretion. T1DM usually starts in adolescence or develops directly as a severe disease state of ketoacidosis. T1DM and its complications make many people suffer and have psychological problems, which make us have to pay more attention to the prevention and early control of T1DM. Cognitive impairment (CI) is one of the major complications of T1DM. It can further develop into Alzheimer's disease, which can seriously affect the quality of life of the elderly. Furthermore, the relationship between T1DM and CI is unclear. Hence, we conducted a narrative review of the existing literature through a PubMed search. We summarized some risk factors that may be associated with the cognitive changes in T1DM patients, including onset age and duration, education and gender, glycemic states, microvascular complications, glycemic control, neuropsychology and emotion, intestinal flora, dyslipidemia, sleep quality. We aimed to provide some content related to CI in T1DM, and hoped that it could play a role in early prediction and treatment to reduce the prevalence. Corresponding risk factors between cognitive impairment and type 1 diabetes mellitus. Duration and age; Education and gender and Glycemic states. Diabetic ketoacidosis; Microvascular complications and Glycemic control–HbA1c. Neuropsychology and emotion; Intestinal flora; Dyslipidemia and Sleep Quality.
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Affiliation(s)
- Chen-Yang Jin
- The First Affiliated Hospital of Dalian Medical University, Dalian Medical University, Dalian 116011, PR China
| | - Shi-Wen Yu
- The First Affiliated Hospital of Dalian Medical University, Dalian Medical University, Dalian 116011, PR China
| | - Jun-Ting Yin
- The Second Affiliated Hospital of Dalian Medical University, Dalian Medical University, Dalian 116027, PR China
| | - Xiao-Ying Yuan
- Department of Anatomy, College of Basic Medicine, Dalian Medical University, Dalian 116044, PR China
- Department of Surgery, The Affiliated Zhongshan Hospital of Dalian University, Dalian 116001, PR China
- Corresponding author.
| | - Xu-Gang Wang
- Department of Neurology, The Second Affiliated Hospital of Dalian Medical University, Dalian 116027, PR China
- Corresponding author.
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16
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The relationship between oxytocin-copeptin levels and cognition-anxiety in patients with type I diabetes mellitus. Int J Diabetes Dev Ctries 2022. [DOI: 10.1007/s13410-022-01100-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/17/2022] Open
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17
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Ang SF, Low SKM, Ng TP, Ang K, Yap PLK, Cheong CY, Lim Z, Tang WE, Moh AMC, Subramaniam T, Sum CF, Lim SC. Association of early-onset Type 2 diabetes with cognitive impairment is partially mediated by increased pulse pressure. J Diabetes Complications 2022; 36:108209. [PMID: 35660335 DOI: 10.1016/j.jdiacomp.2022.108209] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/03/2022] [Revised: 05/05/2022] [Accepted: 05/07/2022] [Indexed: 10/18/2022]
Abstract
AIMS Type 2 diabetes mellitus (T2DM) has been shown to be associated with cognitive decline and dementia. As earlier onset of diabetes implies a longer disease duration and an increased risk to complications, we sought to investigate the effect of T2DM onset on cognitive function of our patients. METHODS We administered the Repeatable Battery for the Assessment of Neuropsychological Status (RBANS) to T2DM patients aged 45-85 from our SMART2D cohort. We assessed the association of the T2DM onset age (both continuous and stratified into 3 groups: early-onset ≤40 (n = 326), middle-aged onset 41-64 (n = 703) and late-onset ≥65 years old (n = 38)) and RBANS cognitive indices in 1067 patients. Potential mediation of this association by vascular compliance using mediation analysis was investigated. RESULTS T2DM onset associates significantly with RBANS total score. Patients with early T2DM onset have lower RBANS total score as compared to patients with middle-aged onset (β = -2.01, p = 0.0102) and those with late-onset (β = -5.80, p = 0.005). This association was partially mediated by pulse pressure index (25.8%), with indirect effect of 0.028 (Bootstrapped-CI: 0.008-0.047). CONCLUSIONS Association of early-onset T2DM with cognitive impairment is partly mediated by diminished vascular compliance. Appropriate screening and assessment of cognitive function is important for early intervention and management of cognitive impairment.
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Affiliation(s)
- Su Fen Ang
- Clinical Research Unit, Khoo Teck Puat Hospital (KTPH), Singapore
| | - Serena K M Low
- Clinical Research Unit, Khoo Teck Puat Hospital (KTPH), Singapore
| | - Tze Pin Ng
- Gerontology Research Programme, Department of Psychological Medicine, Yong Loo Lin School of Medicine, National University of Singapore, Singapore
| | - Keven Ang
- Clinical Research Unit, Khoo Teck Puat Hospital (KTPH), Singapore
| | - Philip L K Yap
- Department of Geriatric Medicine, Khoo Teck Puat Hospital (KTPH), Singapore
| | - Chin Yee Cheong
- Department of Geriatric Medicine, Khoo Teck Puat Hospital (KTPH), Singapore
| | - Ziliang Lim
- National Healthcare Group Polyclinics (NHGP), Singapore
| | - Wern Ee Tang
- National Healthcare Group Polyclinics (NHGP), Singapore
| | - Angela M C Moh
- Clinical Research Unit, Khoo Teck Puat Hospital (KTPH), Singapore
| | | | - Chee Fang Sum
- Diabetes Centre, Admiralty Medical Centre (AdMC), Singapore
| | - Su Chi Lim
- Clinical Research Unit, Khoo Teck Puat Hospital (KTPH), Singapore; Diabetes Centre, Admiralty Medical Centre (AdMC), Singapore; Saw Swee Hock School of Public Health, National University of Singapore (NUS), Singapore.
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18
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Croosu SS, Hansen TM, Røikjer J, Mørch CD, Ejskjaer N, Frøkjær JB. Gray Matter Brain Alterations in Type 1 Diabetes - Findings Based on Detailed Phenotyping of Neuropathy Status. Exp Clin Endocrinol Diabetes 2022; 130:730-739. [PMID: 35668671 DOI: 10.1055/a-1835-1877] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
AIMS This study investigated brain structure in patients of type 1 diabetes with diabetic peripheral neuropathy (DPN) and type 1 diabetes with neuropathic pain and the associations to clinical, peripheral, and cognitive measurements. METHODS Sixty individuals with type 1 diabetes and 20 healthy controls were included in the study. Nineteen individuals with type 1 diabetes and neuropathic pain, 19 with type 1 diabetes and DPN, 18 with type 1 diabetes without DPN, and 20 healthy controls were included in the brain analyses. We utilized structural brain magnetic resonance imaging to investigate total and regional gray matter volume. RESULTS Significant lower gray matter volume was found in type 1 diabetes with neuropathic pain and in type 1 diabetes without DPN compared to healthy controls (p=0.024 and p=0.019, respectively). Lower insula volume was observed in all three diabetes groups (all p≤0.050). Thalamus and hippocampus volume was lower in type 1 diabetes with neuropathic pain, cerebellum volume was lower in type 1 diabetes with DPN, and somatosensory cortex volume was lower in type 1 diabetes without DPN (all p≤0.018). Attenuated memory was associated with lower gray matter volume in type 1 diabetes with DPN. No associations were found between gray matter volume and clinical/peripheral measurements. CONCLUSION We demonstrated lower gray matter volume in individuals with type 1 diabetes regardless of the presence of DPN and neuropathic pain. Hence, central gray matter alteration was not associated with peripheral alterations.
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Affiliation(s)
- Suganthiya S Croosu
- Department of Radiology, Aalborg University Hospital, Hobrovej Aalborg, Denmark.,Steno Diabetes Center North Denmark, Aalborg University Hospital, Mølleparkvej Aalborg, Denmark.,Department of Clinical Medicine, Aalborg University, Søndre Skovvej Aalborg, Denmark
| | - Tine M Hansen
- Department of Radiology, Aalborg University Hospital, Hobrovej Aalborg, Denmark.,Department of Clinical Medicine, Aalborg University, Søndre Skovvej Aalborg, Denmark
| | - Johan Røikjer
- Steno Diabetes Center North Denmark, Aalborg University Hospital, Mølleparkvej Aalborg, Denmark.,Center for Neuroplasticity and Pain (CNAP), SMI, Department of Health Science and Technology, Aalborg University, Fredrik Bajers Vej Aalborg, Denmark
| | - Carsten D Mørch
- Center for Neuroplasticity and Pain (CNAP), SMI, Department of Health Science and Technology, Aalborg University, Fredrik Bajers Vej Aalborg, Denmark
| | - Niels Ejskjaer
- Steno Diabetes Center North Denmark, Aalborg University Hospital, Mølleparkvej Aalborg, Denmark.,Department of Clinical Medicine, Aalborg University, Søndre Skovvej Aalborg, Denmark.,Department of Endocrinology, Aalborg University Hospital, Mølleparkvej Aalborg, Denmark
| | - Jens B Frøkjær
- Department of Radiology, Aalborg University Hospital, Hobrovej Aalborg, Denmark.,Department of Clinical Medicine, Aalborg University, Søndre Skovvej Aalborg, Denmark
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19
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Prevalence and risk factors for vascular calcification based on the ankle-brachial index in the general population: a cross-sectional study. BMC Cardiovasc Disord 2022; 22:227. [PMID: 35585487 PMCID: PMC9118712 DOI: 10.1186/s12872-022-02668-9] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2022] [Accepted: 05/06/2022] [Indexed: 11/13/2022] Open
Abstract
Background To investigate the prevalence of vascular calcification based on the ankle‐brachial index (ABI) value and analyse the risk factors for vascular calcification in the general population. Methods A cross-sectional study was conducted to collect clinical, laboratory, and lifestyle data in individuals aged 30–70 recruited from the physical examination centre. The automatic arteriosclerosis detector was used to measure the ABI. Difference tests, correlation analyses, and multivariate logistic regression analyses were performed to identify risk factors for vascular calcification. Results The overall prevalence of vascular calcification was 24.39% in 1033 subjects. The prevalence of vascular calcification in males was much higher than that in females (27.80% vs. 17.49%, P < 0.001). The differences in age, body mass index (BMI), systolic blood pressure (SBP), diastolic blood pressure (DBP), triglyceride (TG), high-density lipoprotein cholesterol (HDL-C), hypertension, and fatty liver disease were statistically significant in males (P < 0.05). The differences between serum uric acid (UA), total cholesterol (TC), TG, low-density lipoprotein cholesterol (LDL-C), estimated glomerular filtration rate (eGFR), alcohol consumption, exercise, and postmenopausal status were statistically significant in females (P < 0.05). Increased age (odds ratio (OR) = 1.028, 95% confidence interval (CI) 1.008–1.049, P = 0.007), increased BMI (OR = 1.238, 95% CI 1.147–1.337, P < 0.001) and elevated DBP (OR = 2.563, 95% CI 1.262–5.205, P = 0.009) were independent risk factors for vascular calcification in males after adjusting for confounding factors. Increased BMI (OR = 1.159, 95% CI 1.029–1.304, P = 0.015), elevated UA (OR = 1.545, 95% CI 1.077–2.216, P = 0.018), elevated LDL-C (OR = 1.044, 95% CI 1.060–1.027, P < 0.001), and a lack of exercise (OR = 2.402, 95% CI 1.073–5.373, P = 0.033) were independent risk factors for vascular calcification in females. Conclusions The prevalence of vascular calcification based on the ABI value is also high in the general population of our centre. Increased age, BMI, and elevated DBP are independent risk factors for vascular calcification in males. Increased BMI, UA, LDL-C, and a lack of exercise are independent risk factors for vascular calcification in females. Attention should be given to strengthening the prevention and control of vascular calcification in the general population.
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20
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Dogra V, Mittal B, Senthil Kumaran S, Nehra A, Sagar R, Gupta A, Kalaivani M, Gupta Y, Tandon N. Evaluation of Cognitive Deficits in Adults with Type 1 Diabetes Stratified by the Age of Diabetes Onset: A Cross-Sectional Study. Adv Ther 2022; 39:1711-1723. [PMID: 35182367 DOI: 10.1007/s12325-022-02063-y] [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: 11/03/2021] [Accepted: 01/26/2022] [Indexed: 11/01/2022]
Abstract
INTRODUCTION Type 1 diabetes (T1DM) is associated with cognitive deficits, and age at diagnosis is thought to play a substantial role. However, there are limited data for the cognitive performance in young adults, in relation to the age of diabetes onset. The lack of information is particularly striking in the context of developing regions. METHODS This cross-sectional study was performed from August 2018 to July 2020. We included adult participants with T1DM, stratified by the age of diabetes onset (till 6 years of age, between 7 to 12 years of age, and 13 to < 18 years of age) and compared them with the control group (no diabetes or pre-diabetes). We filled a structured case record proforma for all participants and recorded relevant socio-demographic and medical details. Detailed neuropsychological assessment with 13 psychological tests representing four cognitive domains was carried-(1) attention, working memory and executive functions; (2) learning and memory; (3) visuoperceptual functions; and (4) information processing speed. RESULTS We evaluated 100 individuals, 73 (men 48.0%) with T1DM and 27 (men 51.9%) without T1DM. After adjustment for age, gender and education, the mean differences in composite Z scores (for the four cognitive domains) between participants with T1DM and without T1DM were 0.08 for attention, working memory and executive functions (p = 0.614); 0.07 for learning and memory (p = 0.694); 0.05 for visuoperceptual (p = 0.784); and 0.22 for information processing speed (p = 0.305). No significant differences were found for the three subgroups of individuals with T1DM, when compared with the control group. Effect size (Cohen's d) for the individual tests (n = 13) ranged from - 0.36 to + 0.39, and none of the comparisons were statistically significant. Amongst the participants with T1DM, higher education had a significant positive association with three of the four cognitive domains evaluated. CONCLUSIONS To conclude, our findings suggest minimal differences in the cognitive functioning of patients with T1DM with different age of onset of diabetes compared to healthy controls, when evaluated in early adulthood. This is possibly the first study from South Asia with an in-depth and comprehensive assessment of cognitive functions in patients with T1DM, using a detailed neuropsychological battery.
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21
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Wu M, Mei F, Hu K, Feng L, Wang Z, Gao Q, Chen F, Zhao L, Li X, Ma B. Diabetic retinopathy and cognitive dysfunction: a systematic review and meta-analysis. Acta Diabetol 2022; 59:443-459. [PMID: 35112186 DOI: 10.1007/s00592-021-01829-0] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/24/2021] [Accepted: 11/21/2021] [Indexed: 01/10/2023]
Abstract
BACKGROUND This study aims to determine the relationship between diabetic retinopathy (DR) and cognitive dysfunction as well as explores the effects of DR on different cognitive domains. METHODS A systematic search of PubMed, Embase, Web of Science, Wanfang data, CBM, CNKI, and VIP databases from their inception to October 2021. The pooled odds ratio (ORs), hazard ratio (HRs), and 95% confidence interval (CIs) were calculated. RESULTS Twenty-two studies met the inclusion criteria and meta-analysis included 15 studies. The presence of DR reflects a higher risk of cognitive dysfunction (OR = 2.45; 95% CI: 1.76-3.41; HR = 1.34 95% CI: 1.10-1.62). Cohort study combined risk was 2.62 (95% CI: 1.93-3.56), in cross-sectional study was 2.07 (95% CI: 1.11-3.88). The pooled OR was 2.38 (95% CI: 1.83-3.10) and 3.11 (95% CI: 1.15-8.40) in Asia and Oceania. No such association was found in North America (OR = 2.22; 95% CI: 0.77-6.38). The pooled risk was 2.47 (95% CI: 1.76-3.48) in patients with T2DM, while did not identify an association between these two conditions in T1DM. The combined unadjusted and adjusted ORs were 2.72 (95% CI: 1.99-3.73) and 2.06 (95% CI: 1.49-2.85). DR severity and the risk of cognitive impairment showed a positive correlation and mainly impaired the speeds of psychomotor and information processing. CONCLUSIONS DR can help to identify people at high risk of cognitive dysfunction. Further studies are indispensable for exploring the relationship between DR and cognitive impairment in the patients for different age, gender and race, as well as to assess the risk of cognitive impairment in different populations.
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Affiliation(s)
- Mei Wu
- Evidence-Based Medicine Centre, School of Basic Medical Sciences, School of Nursing, Lanzhou University, Lanzhou, 730030, Gansu, China
| | - Fan Mei
- Evidence-Based Medicine Centre, School of Basic Medical Sciences, School of Nursing, Lanzhou University, Lanzhou, 730030, Gansu, China
| | - Kaiyan Hu
- Evidence-Based Medicine Centre, School of Basic Medical Sciences, School of Nursing, Lanzhou University, Lanzhou, 730030, Gansu, China
| | - Liyuan Feng
- Evidence-Based Medicine Centre, School of Basic Medical Sciences, School of Nursing, Lanzhou University, Lanzhou, 730030, Gansu, China
| | - Zhe Wang
- Evidence-Based Medicine Centre, School of Basic Medical Sciences, School of Nursing, Lanzhou University, Lanzhou, 730030, Gansu, China
| | - Qianqian Gao
- Evidence-Based Medicine Centre, School of Basic Medical Sciences, School of Nursing, Lanzhou University, Lanzhou, 730030, Gansu, China
| | - Fei Chen
- Evidence-Based Medicine Centre, School of Basic Medical Sciences, School of Nursing, Lanzhou University, Lanzhou, 730030, Gansu, China
| | - Li Zhao
- Evidence-Based Medicine Centre, School of Basic Medical Sciences, School of Nursing, Lanzhou University, Lanzhou, 730030, Gansu, China
| | - Xiaohui Li
- Lanzhou University second hospital, Lanzhou University, Lanzhou, China.
| | - Bin Ma
- Evidence-Based Medicine Centre, School of Basic Medical Sciences, School of Nursing, Lanzhou University, Lanzhou, 730030, Gansu, China.
- Key Laboratory of Evidence Based Medicine and Knowledge Translation of Gansu Province, Lanzhou, China.
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22
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Palomo-Osuna J, de Sola H, Dueñas M, Moral-Munoz JA, Failde I. Cognitive function in diabetic persons with peripheral neuropathy: a systematic review and meta-analysis. Expert Rev Neurother 2022; 22:269-281. [PMID: 35232335 DOI: 10.1080/14737175.2022.2048649] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
OBJECTIVES The aim of this study is to improve our knowledge of cognitive function in individuals with type 1 (T1DM) or type 2 (T2DM) diabetes mellitus and with peripheral diabetic neuropathy (DPN). METHODS A systematic review and meta-analysis was performed of publications included in PubMed, Scopus, PsycInfo and Web of Science databases until November 2021. The study protocol was registered in the International Prospective Register of Systematic Reviews (PROSPERO) with reference number: CRD42021229163. RESULTS A total of 832 articles were identified, 19 of which were selected. The presence of DPN was associated with global cognitive impairment in the T1DM persons in two studies (p=0.046; p=0.03) and T2DM persons in four (p<0.001; p<0.02; p=0.011; p=<0.05). Differences in specific dimensions - memory, attention, and psychomotor speed - were found in both kinds of diabetes. The meta-analysis showed that the individuals with T2DM and DPN presented a lower mean cognitive performance than those without DPN (-1.0448; 95% CI: -1.93%; -0.16%). Depression was associated with impaired cognitive function in these diabetic persons (p<0.01). CONCLUSION The review reveals the great variability in instruments and methodologies, while providing results that support the presence of both global and domain-specific cognitive impairment in diabetic persons with DPN.
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Affiliation(s)
- Jenifer Palomo-Osuna
- The Observatory of Pain, University of Cádiz, Cádiz, Spain.,Biomedical Research and Innovation Institute of Cádiz (INiBICA), Research Unit, Puerta del Mar University Hospital, University of Cadiz, Cádiz, Spain.,Preventive Medicine and Public Health Area, University of Cádiz, Spain
| | - Helena de Sola
- The Observatory of Pain, University of Cádiz, Cádiz, Spain.,Biomedical Research and Innovation Institute of Cádiz (INiBICA), Research Unit, Puerta del Mar University Hospital, University of Cadiz, Cádiz, Spain.,Preventive Medicine and Public Health Area, University of Cádiz, Spain
| | - María Dueñas
- The Observatory of Pain, University of Cádiz, Cádiz, Spain.,Biomedical Research and Innovation Institute of Cádiz (INiBICA), Research Unit, Puerta del Mar University Hospital, University of Cadiz, Cádiz, Spain.,Department of Statistics and Operational Research, University of Cádiz, Puerto Real, Spain
| | - Jose Antonio Moral-Munoz
- The Observatory of Pain, University of Cádiz, Cádiz, Spain.,Biomedical Research and Innovation Institute of Cádiz (INiBICA), Research Unit, Puerta del Mar University Hospital, University of Cadiz, Cádiz, Spain.,Department of Nursing and Physiotherapy, University of Cadiz, Cadiz, Spain
| | - Inmaculada Failde
- The Observatory of Pain, University of Cádiz, Cádiz, Spain.,Biomedical Research and Innovation Institute of Cádiz (INiBICA), Research Unit, Puerta del Mar University Hospital, University of Cadiz, Cádiz, Spain.,Preventive Medicine and Public Health Area, University of Cádiz, Spain
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23
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Croosu SS, Hansen TM, Brock B, Mohr Drewes A, Brock C, Frøkjær JB. Altered functional connectivity between brain structures in adults with type 1 diabetes and polyneuropathy. Brain Res 2022; 1784:147882. [DOI: 10.1016/j.brainres.2022.147882] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2021] [Revised: 01/17/2022] [Accepted: 03/09/2022] [Indexed: 12/13/2022]
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Shen J, Yu H, Li K, Ding B, Xiao R, Ma W. The Association Between Plasma Fatty Acid and Cognitive Function Mediated by Inflammation in Patients with Type 2 Diabetes Mellitus. Diabetes Metab Syndr Obes 2022; 15:1423-1436. [PMID: 35573864 PMCID: PMC9091472 DOI: 10.2147/dmso.s353449] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/10/2021] [Accepted: 04/01/2022] [Indexed: 12/20/2022] Open
Abstract
PURPOSE To verify the mediating role of inflammatory factors in plasma fatty acid-induced changes in cognitive function in patients with type 2 diabetes mellitus (T2DM). PATIENTS AND METHODS In this study, we evaluated the cognitive function of 372 Chinese patients (the average age was 58.00 (52.50, 63.00) years) with T2DM by using the Mini-Mental State Examination (MMSE) and the Montreal Cognitive Assessment (MoCA), with plasma fatty acids measured by gas chromatography analysis and inflammatory cytokines determined by immune turbidimetric analysis and enzyme-linked immunosorbent assay (ELISA) to investigate whether there was a correlation between the plasma fatty acids, inflammatory cytokine levels and cognitive test scores in Chinese patients with T2DM. RESULTS We found that the increase of waist circumference and hip circumference might lead to cognitive impairment and induce the inflammatory response. Higher saturated fatty acids (SFAs) levels in plasma were linked to cognitive decline, while higher monounsaturated fatty acids (MUFAs) intake might be a protective factor for cognitive function. In addition, higher levels of plasma n-6 polyunsaturated fatty acids (n-6 PUFAs) stood out as having association with lower cognitive function scores, while higher level of plasma C22:6 n-3 could be a predictor of better cognitive function. In our study, higher SFAs led to higher proinflammatory factor levels. Apart from that, MUFAs and stearoyl-CoA desaturase-18 (SCD-18) were positively related to hypersensitive C-reactive protein (hs-CRP). Meanwhile, higher level of plasma C20:0 could lead to better MMSE delayed recall by reduce the expression of hs-CRP. CONCLUSION Levels of plasma SFAs, C18:3 n-6, and C20:3 n-6 could be a predictor for worse cognitive function, while MUFAs and C22:6 n-3 could be a predictor for better cognitive function. The level of hs-CRP could be a mediator of C20:0 induced the change of cognitive function.
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Affiliation(s)
- Jingyi Shen
- School of Public Health, Beijing Key Laboratory of Environmental Toxicology, Capital Medical University, Beijing, 100069, People’s Republic of China
| | - Huiyan Yu
- School of Public Health, Beijing Key Laboratory of Environmental Toxicology, Capital Medical University, Beijing, 100069, People’s Republic of China
| | - Kaifeng Li
- Nutrition and Metabolism Research Division, Innovation Center, Heilongjiang Feihe Dairy Co., Ltd., Beijing, 100015, People’s Republic of China
| | - Bingjie Ding
- Department of Clinical Nutrition, Beijing Friendship Hospital, Capital Medical University, Beijing, 100050, People’s Republic of China
| | - Rong Xiao
- School of Public Health, Beijing Key Laboratory of Environmental Toxicology, Capital Medical University, Beijing, 100069, People’s Republic of China
| | - Weiwei Ma
- School of Public Health, Beijing Key Laboratory of Environmental Toxicology, Capital Medical University, Beijing, 100069, People’s Republic of China
- Correspondence: Weiwei Ma, School of Public Health, Beijing Key Laboratory of Environmental Toxicology, Capital Medical University, Beijing, 100069, People’s Republic of China, Tel/Fax +86-10-83911651, Email
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25
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Zou W, He J, Liu Y, Zhu J, Liu F, Xie Y, Li C, Du H, Huang F, Zhou Z, Li X, Zhu X. Sustained Attention Deficits in Adults With Juvenile-Onset Type 1 Diabetes Mellitus. Psychosom Med 2021; 83:906-912. [PMID: 34334732 DOI: 10.1097/psy.0000000000000992] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
OBJECTIVE This study aimed to investigate whether patients with juvenile-onset type 1 diabetes mellitus (T1DM) have poorer sustained attention than their counterparts with adult-onset T1DM, and whether there is a relationship between diabetes-related variables and sustained attention. METHODS This study included 76 participants with juvenile-onset T1DM, 68 participants with adult-onset T1DM, and 85 healthy controls (HCs). All participants completed the Sustained Attention to Response Task, Beck Depression Inventory-II, and the Chinese version of the Wechsler Adult Intelligence Scale. RESULTS The juvenile-onset group showed more omission errors (p = .007) than the adult-onset group and shorter reaction time (p = .005) than HCs, whereas the adult-onset group showed no significant differences compared with HCs. Hierarchical linear regression analysis revealed that the age of onset was associated with omission errors in T1DM participants (β = -0.275, t = -2.002, p = .047). In the juvenile-onset group, the omission error rate were associated with the history of severe hypoglycemia (β = 0.225, t = 1.996, p = .050), whereas reaction time was associated with the age of onset (β = -0.251, t = -2.271, p = .026). Fasting blood glucose levels were significantly associated with reaction time in both the juvenile-onset and adult-onset groups (β = -0.236, t = -2.117, p = .038, and β = 0.259, t = 2.041, p = .046, respectively). CONCLUSIONS Adults with juvenile-onset T1DM have sustained attention deficits in contrast to their adult-onset counterparts, suggesting that the disease adversely affects the developing brain. Both the history of severe hypoglycemia and fasting blood glucose levels are factors associated with sustained attention impairment. Early diagnosis and treatment in juvenile patients are required to prevent the detrimental effects of diabetes.
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Affiliation(s)
- Wenjing Zou
- From the Medical Psychological Center (Zou, Y. Liu, J. Zhu, C. Li, Du, X. Zhu), The Second Xiangya Hospital, Central South University; Medical Psychological Institute of Central South University (X. Zhu); National Clinical Research Center for Mental Disorders (X. Zhu), The Second Xiangya Hospital; Department of Psychology (He) and Hunan Key Laboratory of Children's Psychological Development and Brain Cognitive Science (He), Hunan First Normal University; National Clinical Research Center for Metabolic Diseases, Key Laboratory of Diabetes Immunology (Central South University), Ministry of Education, and Department of Metabolism and Endocrinology (Zou, Y. Liu, Xie, Zhou, X. Li), The Second Xiangya Hospital of Central South University; Xiangya School of Nursing (F. Liu), Central South University, Hunan Province; and Department of Nutrition (Huang), The Second Xiangya Hospital, Central South University, National Clinical Research Center for Metabolic Diseases, Changsha, Hunan Province, China
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26
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Zhang YM, Zheng T, Huang TT, Gu PP, Gou LS, Ma TF, Liu YW. Sarsasapogenin attenuates Alzheimer-like encephalopathy in diabetes. PHYTOMEDICINE : INTERNATIONAL JOURNAL OF PHYTOTHERAPY AND PHYTOPHARMACOLOGY 2021; 91:153686. [PMID: 34333330 DOI: 10.1016/j.phymed.2021.153686] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/07/2021] [Revised: 07/15/2021] [Accepted: 07/20/2021] [Indexed: 06/13/2023]
Abstract
BACKGROUND A crosstalk exists between diabetes and Alzheimer's disease (AD), and diabetic encephalopathy displays AD-like disorders. Sarsasapogenin (Sar) has strong anti-inflammatory efficacy, showing neuroprotection and memory-enhancement effects. PURPOSE This study aims to verify the ameliorative effects of Sar on diabetic encephalopathy in vivo and in vitro, and to clarify the mechanisms from attenuation of AD-like pathology. METHODS Streptozotocin-induced type 1 diabetic rats and high glucose-cultured SH-SY5Y cells were used in this study. After Sar treatment (20 and 60 mg/kg) for consecutive 9 weeks, Morris water maze and novel object recognition tasks were performed. Hematoxylin-eosin staining was used for examining loss of neurons in CA1 area and ki67 expression for reflecting neurogenesis in DG area of hippocampus. Aβ production pathway and tau phosphorylation kinase cascade were examined in these two models. RESULTS Sar improved learning and memory ability, loss of neurons and reduction of neurogenesis in the hippocampus of diabetic rats. Moreover, Sar suppressed Aβ overproduction due to up-regulation of BACE1 in protein and mRNA and tau hyperphosphorylation from inactivation of AKT/GSK-3β cascade in the hippocampus and cerebral cortex of diabetic rats and high glucose-cultured SH-SY5Y cells, and PPARγ antagonism abolished the effects of Sar on key molecules in the two pathways. Additionally, it was found that high glucose-stimulated Aβ overproduction was prior to tau hyperphosphorylation in neurons. CONCLUSION Sar alleviated diabetic encephalopathy, which was obtained through inhibitions of Aβ overproduction and tau hyperphosphorylation mediated by the activation of PPARγ signaling. Hence, Sar is a good candidate compound for AD-like disorders.
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Affiliation(s)
- Yu-Meng Zhang
- Jiangsu Key Laboratory of New Drug Research and Clinical Pharmacy, Xuzhou Medical University, Xuzhou 221004, Jiangsu, China
| | - Ting Zheng
- Jiangsu Key Laboratory of New Drug Research and Clinical Pharmacy, Xuzhou Medical University, Xuzhou 221004, Jiangsu, China
| | - Ting-Ting Huang
- Jiangsu Key Laboratory of New Drug Research and Clinical Pharmacy, Xuzhou Medical University, Xuzhou 221004, Jiangsu, China
| | - Pan-Pan Gu
- Jiangsu Key Laboratory of New Drug Research and Clinical Pharmacy, Xuzhou Medical University, Xuzhou 221004, Jiangsu, China
| | - Ling-Shan Gou
- Center for Genetic Medicine, Xuzhou Maternity and Child Health Care Hospital, Xuzhou 221009, Jiangsu, China
| | - Teng-Fei Ma
- Institute for Stem Cell and Neural Regeneration, School of Pharmacy, Nanjing Medical University, Nanjing 211166, China
| | - Yao-Wu Liu
- Jiangsu Key Laboratory of New Drug Research and Clinical Pharmacy, Xuzhou Medical University, Xuzhou 221004, Jiangsu, China; Department of Pharmacology, School of Pharmacy, Xuzhou Medical University, Xuzhou 221004, Jiangsu, China.
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27
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Taboada Gjorup AL, Snoek FJ, van Duinkerken E. Diabetes Self-Care in Older Adults With Type 1 Diabetes Mellitus: How Does Cognition Influence Self-Management. FRONTIERS IN CLINICAL DIABETES AND HEALTHCARE 2021; 2:727029. [PMID: 36994333 PMCID: PMC10012116 DOI: 10.3389/fcdhc.2021.727029] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/17/2021] [Accepted: 08/27/2021] [Indexed: 11/13/2022]
Abstract
With increasing knowledge and improvements in options for glycemic control, the life-expectancy of patients with type 1 diabetes mellitus (T1DM) has increased considerably over the past decades. Whereas this is undeniably positive for patients, aging is related to natural decline in cognitive functions. As patients with T1DM across the life-span are susceptible to cognitive deterioration, an interaction with aging may be expected and the risk of development of dementia might be increased. As achieving glycemic control depends on a set of diabetes self-management behaviors, it is imperative to understand how cognitive functions are involved in the upkeep of these behaviors and how cognitive impairment may affect them. In this narrative review, we set out to understand the relationship between cognition and T1DM self-care by first reviewing the glycemic targets in older adults, what treatment options are available, and what cognitive functions they draw upon. We will then review the cognitive literature in older adults that is available and then link both together. Lastly, we finish with clinical recommendations and suggestions for future research.
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Affiliation(s)
- Ana Lúcia Taboada Gjorup
- Post-Graduate Program in Neurology, Department of Neurology, University Hospital Gaffrée and Guinle, Federal University of the State of Rio de Janeiro, Rio de Janeiro, Brazil
- Department of Internal Medicine, University Hospital Gaffrée and Guinle, Federal University of the State of Rio de Janeiro, Rio de Janeiro, Brazil
| | - Frank J. Snoek
- Department of Medical Psychology, Amsterdam University Medical Centers, Vrije Universiteit Amsterdam, Amsterdam, Netherlands
| | - Eelco van Duinkerken
- Post-Graduate Program in Neurology, Department of Neurology, University Hospital Gaffrée and Guinle, Federal University of the State of Rio de Janeiro, Rio de Janeiro, Brazil
- Department of Medical Psychology, Amsterdam University Medical Centers, Vrije Universiteit Amsterdam, Amsterdam, Netherlands
- Center for Epilepsy, Instituto Estadual do Cérebro Paulo Niemeyer, Rio de Janeiro, Brazil
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28
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Pickering J, Wong R, Al-Salami H, Lam V, Takechi R. Cognitive Deficits in Type-1 Diabetes: Aspects of Glucose, Cerebrovascular and Amyloid Involvement. Pharm Res 2021; 38:1477-1484. [PMID: 34480263 DOI: 10.1007/s11095-021-03100-1] [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: 06/05/2021] [Accepted: 08/24/2021] [Indexed: 11/28/2022]
Abstract
The evidence shows that individuals with type-1 diabetes mellitus (T1DM) are at greater risk of accelerated cognitive impairment and dementia. Although, to date the mechanisms are largely unknown. An emerging body of literature indicates that dysfunction of cerebral neurovascular network and plasma dyshomeostasis of soluble amyloid-β in association with impaired lipid metabolism are central to the onset and progression of cognitive deficits and dementia. However, the latter has not been extensively considered in T1DM. Therefore, in this review, we summarised the literature concerning altered lipid metabolism and cerebrovascular function in T1DM as an implication for potential pathways leading to cognitive decline and dementia.
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Affiliation(s)
- Justin Pickering
- School of Population Health, Faculty of Health Sciences, Curtin University, Perth, WA, 6845, Australia
| | - Rachel Wong
- Institute for Resilient Regions, University of Southern Queensland, Springfield Central, QLD, 4300, Australia
| | - Hani Al-Salami
- Curtin Medical School, Faculty of Health Sciences, Curtin University, Perth, WA, 6845, Australia.,Curtin Health Innovation Research Institute, Curtin University, Perth, WA, 6845, Australia
| | - Virginie Lam
- School of Population Health, Faculty of Health Sciences, Curtin University, Perth, WA, 6845, Australia.,Curtin Medical School, Faculty of Health Sciences, Curtin University, Perth, WA, 6845, Australia
| | - Ryu Takechi
- School of Population Health, Faculty of Health Sciences, Curtin University, Perth, WA, 6845, Australia. .,Curtin Medical School, Faculty of Health Sciences, Curtin University, Perth, WA, 6845, Australia.
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29
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Casagrande SS, Lee C, Stoeckel LE, Menke A, Cowie CC. Cognitive function among older adults with diabetes and prediabetes, NHANES 2011-2014. Diabetes Res Clin Pract 2021; 178:108939. [PMID: 34229005 PMCID: PMC8429258 DOI: 10.1016/j.diabres.2021.108939] [Citation(s) in RCA: 56] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/05/2020] [Revised: 04/06/2021] [Accepted: 06/30/2021] [Indexed: 01/02/2023]
Abstract
AIMS To determine the association between diabetes status, glycemia, and cognitive function among a national U.S. sample of older adults in the 2011-2014 National Health and Nutrition Examinations Surveys. METHODS Among 1,552 adults age ≥ 60 years, linear and multivariable logistic regressions were used to determine the association between diabetes status (diabetes, prediabetes, normoglycemia) and cognitive function [Consortium to Establish a Registry for Alzheimer's Disease-Word Learning (CERAD W-L), Animal Fluency test, Digit Symbol Substitution Test (DSST)]. RESULTS Overall, diabetes was associated with mild cognitive dysfunction. In age-adjusted models, adults with diabetes had significantly poorer performance on the delayed and total word recalls (CERAD W-L) compared to those with normoglycemia (5.8 vs. 6.8 words; p = 0.002 and 24.5 vs. 27.6 words; p < 0.001, respectively); the association was non-significant after adjusting for cardiovascular disease. Among all adults, cognitive function scores decreased with increasing HbA1c for all assessments, but remained significant in the fully adjusted model for the Animal Fluency and DSST [beta coefficient = -0.44;-1.11, p < 0.05, respectively]. As measured by the DSST, the proportion with cognitive impairment was significantly higher for older adults with HbA1c ≥ 8.0% (≥64 mmol/mol) vs. HbA1c < 7.0% (<53 mmol/mol) (14.6% vs. 6.3%, p = 0.04). CONCLUSIONS Dysglycemia, as measured by HbA1c, was associated with poorer executive function and processing speed.
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Affiliation(s)
- Sarah S Casagrande
- Social & Scientific Systems, Inc. 8757 Georgia Ave, Silver Spring, MD 20910, United States.
| | - Christine Lee
- National Institute of Diabetes and Digestive and Kidney Diseases Division of Diabetes, Endocrinology, and Metabolic Diseases, 6707 Democracy Blvd, Bethesda, MD 20892, United States
| | - Luke E Stoeckel
- National Institute of Diabetes and Digestive and Kidney Diseases Division of Diabetes, Endocrinology, and Metabolic Diseases, 6707 Democracy Blvd, Bethesda, MD 20892, United States
| | - Andy Menke
- Social & Scientific Systems, Inc. 8757 Georgia Ave, Silver Spring, MD 20910, United States
| | - Catherine C Cowie
- National Institute of Diabetes and Digestive and Kidney Diseases Division of Diabetes, Endocrinology, and Metabolic Diseases, 6707 Democracy Blvd, Bethesda, MD 20892, United States
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30
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Pedersen HE, Sandvik CH, Subhi Y, Grauslund J, Pedersen FN. Relationship between Diabetic Retinopathy and Systemic Neurodegenerative Diseases: A Systematic Review and Meta-analysis. Ophthalmol Retina 2021; 6:139-152. [PMID: 34256192 DOI: 10.1016/j.oret.2021.07.002] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2021] [Revised: 06/23/2021] [Accepted: 07/06/2021] [Indexed: 01/01/2023]
Abstract
TOPIC To examine the potential role of systemic neurodegeneration, this study aimed to provide an overview of the available evidence on the relationship between diabetic retinopathy (DR) and systemic neurodegeneration. CLINICAL RELEVANCE The association between DR and systemic neurodegeneration is inconsistent in the literature. A summary estimate on the measures of association is important to establish whether DR may be used as a risk marker of systemic neurodegeneration. METHODS We searched the literature databases PubMed/MEDLINE, EMBASE, and Cochrane Library on October 3, 2020, for all observational studies on humans evaluating the association between DR and systemic neurodegenerative diseases. Two authors conducted the literature search, study selection, and data extraction in an independent fashion. Studies were reviewed qualitatively in text and quantitatively in meta-analyses. Heterogeneity was evaluated with Cochran's Q and I2, and Funnel plot was used to investigate for skewed results and possible publication bias. RESULTS We identified 27 eligible studies with a total of 1 398 041 patients with diabetes. Diagnosis of DR was made using fundus photography or examination (n = 20), health registries (n = 4), was self-reported (n = 1), or was not disclosed in the remaining studies. Neurodegenerative conditions studied were cognitive impairment (n = 23), Alzheimer's disease (n = 3), and Parkinson's disease (n = 1). In cross-sectional and longitudinal studies, respectively, presence of any DR was associated with present (odds ratio [OR], 1.57; 95% confidence interval [CI], 1.02-2.43, P = 0.043) and incident (OR, 2.36; 95% CI, 1.50-3.71, P = 0.00021) systemic neurodegeneration, but severity of DR was not associated with differences in systemic neurodegeneration (OR, 0.98; 95% CI, 0.45-2.15, P = 0.96). CONCLUSIONS In this systematic review, DR appears to be a marker of systemic neurodegeneration. Further studies are warranted to better elucidate the clinical practical implications of this relationship.
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Affiliation(s)
- Helene E Pedersen
- Department of Ophthalmology, Odense University Hospital, Odense, Denmark; Research Unit of Ophthalmology, Department of Clinical Research, University of Southern Denmark, Odense, Denmark
| | - Caroline H Sandvik
- Department of Ophthalmology, Odense University Hospital, Odense, Denmark; Research Unit of Ophthalmology, Department of Clinical Research, University of Southern Denmark, Odense, Denmark
| | - Yousif Subhi
- Department of Ophthalmology, Zealand University Hospital, Roskilde, Denmark; Department of Ophthalmology, Rigshospitalet, Glostrup, Denmark
| | - Jakob Grauslund
- Department of Ophthalmology, Odense University Hospital, Odense, Denmark; Research Unit of Ophthalmology, Department of Clinical Research, University of Southern Denmark, Odense, Denmark; Steno Diabetes Center Odense, Odense University Hospital, Odense, Denmark
| | - Frederik N Pedersen
- Department of Ophthalmology, Odense University Hospital, Odense, Denmark; Research Unit of Ophthalmology, Department of Clinical Research, University of Southern Denmark, Odense, Denmark.
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31
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Stantonyonge N, Martinez-Horta S, Sampedro F, Sánchez-Saudinós MB, Chico A. Defective involuntary attention to novelty in type 1 diabetes and impaired awareness of hypoglycaemia. Diabetes Res Clin Pract 2021; 177:108898. [PMID: 34098058 DOI: 10.1016/j.diabres.2021.108898] [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: 03/19/2021] [Revised: 05/25/2021] [Accepted: 06/01/2021] [Indexed: 11/20/2022]
Abstract
AIM To determine if there are differences in terms of neurophysiology and neurocognitive functioning in a group of type 1 diabetes (T1D) patients regarding hypoglycaemia awareness. METHODS 27 patients with T1D were classified according to Clarke score as having impaired awareness of hypoglycaemia (IAH; n = 11) or normal awareness to hypoglycaemia (NAH; n = 16). We measured several clinical and sociodemographic variables and cognitive performance using neuropsychological tests. Electroencephalography was assessed during an auditory oddball task. We compared the groups in terms of clinical/sociodemographic variables as well as two event-related brain potentials (ERPs): The P3a which is associated with automatic orientation of attention to novelty, and the P3b which is associated with target detection and processing. RESULTS The IAH group performed significantly worse on the Trail Making Test part A (TMT-A) (p = 0.05). Compared to the NAH group, P3a and P3b amplitudes in the frontal-central sites were significantly lower in the IAH group (p < 0.05). The P3a was strongly associated with worse performance on the TMT-A in the IAH group (r = 0.540; p < 0.005) CONCLUSION: IAH is accompanied by decreased neurophysiological activity in ERPs associated with information processing and with the automatic orientation of attention to novelty and environmental changes. These findings suggest a possible framework to better understand the cognitive origin of IAH in this patient population.
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Affiliation(s)
- Nicole Stantonyonge
- Department of Endocrinology and Nutrition, Hospital de Santa Creu i Sant Pau, Barcelona, Spain; Department of Medicine, Autonomous University of Barcelona, Barcelona, Spain
| | - Saul Martinez-Horta
- Biomedical Research Institute Sant Pau (IIB-Sant Pau), Barcelona, Spain; Centro de Investigación Biomédica en Red-Enfermedades Neurodegenerativas (CIBERNED), Madrid, Spain; Movement Disorders Unit, Neurology Department, Hospital de la Santa Creu i Sant Pau, Barcelona, Spain
| | - Frederic Sampedro
- Biomedical Research Institute Sant Pau (IIB-Sant Pau), Barcelona, Spain; Centro de Investigación Biomédica en Red-Enfermedades Neurodegenerativas (CIBERNED), Madrid, Spain; Movement Disorders Unit, Neurology Department, Hospital de la Santa Creu i Sant Pau, Barcelona, Spain
| | - María Belén Sánchez-Saudinós
- Biomedical Research Institute Sant Pau (IIB-Sant Pau), Barcelona, Spain; Centro de Investigación Biomédica en Red-Enfermedades Neurodegenerativas (CIBERNED), Madrid, Spain; Memory Unit, Neurology Department, Hospital de la Santa Creu i Sant Pau, Barcelona, Spain
| | - Ana Chico
- Department of Endocrinology and Nutrition, Hospital de Santa Creu i Sant Pau, Barcelona, Spain; Department of Medicine, Autonomous University of Barcelona, Barcelona, Spain; CIBER-Bioengineering, Biomaterials and Nanotechnology (CIBER-BBN), Instituto de Salud Carlos III, Madrid, Spain.
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Jacobson AM, Ryan CM, Braffett BH, Gubitosi-Klug RA, Lorenzi GM, Luchsinger JA, Trapani VR, Bebu I, Chaytor N, Hitt SM, Farrell K, Lachin JM. Cognitive performance declines in older adults with type 1 diabetes: results from 32 years of follow-up in the DCCT and EDIC Study. Lancet Diabetes Endocrinol 2021; 9:436-445. [PMID: 34051936 PMCID: PMC8583716 DOI: 10.1016/s2213-8587(21)00086-3] [Citation(s) in RCA: 62] [Impact Index Per Article: 15.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/26/2021] [Revised: 03/23/2021] [Accepted: 03/23/2021] [Indexed: 12/16/2022]
Abstract
BACKGROUND With improved treatment, individuals with type 1 diabetes are living longer but there is limited information on the effects of type 1 diabetes on cognitive ability as they become older adults. We followed up individuals with type 1 diabetes to identify independent risk factors for cognitive decline as people age. METHODS 1051 participants with type 1 diabetes enrolled in the Diabetes Control and Complications Trial (DCCT) and its follow-up Epidemiology of Diabetes Interventions and Complications (EDIC) study. Participants completed cognitive assessments at baseline (median age 27 years) and 2, 5, 18, and 32 years later (median age 59). HbA1c levels, frequency of severe hypoglycaemia, non-glycemic risk factors such as elevated blood pressure, and microvascular and macrovascular complications were assessed repeatedly. We examined the effects of these on measures of memory and psychomotor and mental efficiency. These studies are registered with clinicaltrials.gov, NCT00360815 (DCCT) and NCT00360893 (EDIC). FINDINGS Over 32 years of follow-up, we found substantive declines in memory and psychomotor and mental efficiency. Between 18 and 32 years of follow-up, the decline in psychomotor and mental efficiency was five times larger than the change from baseline to year 18. Independent of the other risk factors and comorbidities, exposure to higher HbA1c levels, more episodes of severe hypoglycaemia, and elevated systolic blood pressure were associated with greater decrements in psychomotor and mental efficiency that was most notable by year 32 (p<0·0001). The combined effect of the presence of these three risk factors is the equivalent to an additional 9·4 years of age. INTERPRETATION Cognitive function declines with ageing in type 1 diabetes. The association of glycaemia and blood pressure levels with cognitive decline suggests that better management might preserve cognitive function. FUNDING United States National Institutes of Health, National Institute of Diabetes and Digestive and Kidney Disease.
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Affiliation(s)
- Alan M Jacobson
- NYU Long Island School of Medicine, NYU Langone Hospital-Long Island, Mineola, NY, USA.
| | | | | | - Rose A Gubitosi-Klug
- Case Western Reserve University, Rainbow Babies and Children's Hospital, Cleveland, OH, USA
| | | | | | | | - Ionut Bebu
- George Washington University, Biostatistics Center, Rockville, MD, USA
| | - Naomi Chaytor
- Elson S Floyd College of Medicine, Washington State University, Spokane, WA, USA
| | - Susan M Hitt
- Columbia School of Medicine, University of Missouri, Columbia, MO, USA
| | - Kaleigh Farrell
- Case Western Reserve University, Rainbow Babies and Children's Hospital, Cleveland, OH, USA
| | - John M Lachin
- George Washington University, Biostatistics Center, Rockville, MD, USA
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Cheng D, Zhao X, Yang S, Wang G, Ning G. Association Between Diabetic Retinopathy and Cognitive Impairment: A Systematic Review and Meta-Analysis. Front Aging Neurosci 2021; 13:692911. [PMID: 34276346 PMCID: PMC8278198 DOI: 10.3389/fnagi.2021.692911] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2021] [Accepted: 06/07/2021] [Indexed: 01/11/2023] Open
Abstract
Diabetic retinopathy (DR) is one of the most common microvascular complications associated with diabetes mellitus. However, its correlation with another diabetes-related disorder, cognitive impairment, has not been well studied. This systematic review and meta-analysis aimed to explore the association between DR and cognitive impairment. MEDLINE (PubMed), the Cochrane Library, and EMBASE databases were searched for observational studies that reported an association between DR and cognitive impairment. Data from selected studies were extracted, and a meta-analysis was conducted using fixed-effects modeling. Fifteen observational studies were included in the systematic review, and 10 studies were included in the meta-analysis. The odds ratio of the association between DR and cognitive impairment was 2.24 (95% confidence interval [CI], 1.89-2.66; I 2 = 0.8%). The hazard ratio of the association between DR and cognitive impairment was significant in four studies, ranging from 1.09-1.32. Minimal or mild DR was not significantly associated with cognitive impairment (odds ratio [OR], 2.04; 95% CI, 0.87-4.77). However, the association between proliferative DR and cognitive impairment (OR, 3.57; 95% CI, 1.79-7.12; I 2 = 16.6%) was not stronger than the association between moderate or worse DR and cognitive impairment (OR, 4.26; 95% CI, 2.01-9.07; I 2 = 0.0%). DR is associated with cognitive impairment, and screening for DR will be helpful for the early identification of individuals with cognitive impairment. Further studies are needed to confirm the association between proliferative DR and cognitive impairment.
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Affiliation(s)
- Dihe Cheng
- Department of Endocrinology and Metabolism, The First Hospital of Jilin University, Changchun, China
| | - Xue Zhao
- Department of Endocrinology and Metabolism, The First Hospital of Jilin University, Changchun, China
| | - Shuo Yang
- Department of Endocrinology and Metabolism, The First Hospital of Jilin University, Changchun, China
| | - Guixia Wang
- Department of Endocrinology and Metabolism, The First Hospital of Jilin University, Changchun, China
| | - Guang Ning
- Key Laboratory for Endocrine and Metabolic Diseases of Ministry of Health of China, Shanghai National Clinical Research Center for Endocrine and Metabolic Diseases, Shanghai Institute for Endocrine and Metabolic Diseases, Ruijin Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, China
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Arrieta Antón E, Baz Rodríguez PG. [Cognitive impairment in patients with cardiovascular risk: DECOG study]. Semergen 2021; 47:174-180. [PMID: 33863650 DOI: 10.1016/j.semerg.2021.01.009] [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: 07/30/2020] [Revised: 12/29/2020] [Accepted: 01/12/2021] [Indexed: 10/21/2022]
Abstract
OBJECTIVE To evaluate the correlation between cardiovascular risk factors (CRF) and mild cognitive impairment (MCI) in the primary care setting. MATERIALS AND METHODS Observational, cross-sectional and multicenter study conducted in the setting of primary care. Information regarding demographic variables, CRF, comorbidities, and cognitive impairment determined by Mini-Mental State Examination (MMSE) score was collected. These data were correlated by multivariate analysis. RESULTS Data from a total of 458 patients were collected. CRFs significantly negative correlated with MCI were patient age, presence of cardiovascular disease, family history of dyslipemia, diastolic blood pressure and cholesterol levels; while factors such as education level and folic acid levels were significant and positive related to higher MMSE scores. CONCLUSIONS This study confirms that the presence of CRF impacts on MCI development, already detectable in the primary care setting. High cholesterol levels and high blood pressure are key elements in MCI, and therefore, measures to control these two conditions from primary care should be reinforced in order to stop the development of dementias.
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Affiliation(s)
- E Arrieta Antón
- Medicina Familiar y Comunitaria, Centro de Salud Segovia Rural. Grupo de Trabajo de Neurología de Semergen, Segovia, España.
| | - P G Baz Rodríguez
- Medicina Familiar y Comunitaria, Centro de Salud Ciudad Rodrigo. Coordinador Grupo de Trabajo de Neurología de Semergen, Salamanca, España
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Abstract
PURPOSE OF REVIEW To synthesize findings from studies of neurocognitive complications in children with type 1 diabetes (T1D) and highlight potential risk and protective factors. RECENT FINDINGS Emerging evidence suggests that hyperglycemia and time in range may be more important for brain development than episodes of hypoglycemia. Further, diabetic ketoacidosis (DKA) at the time of T1D diagnosis appears to be a particular risk factor for neurocognitive complications, particularly deficits in executive function skills and memory, with differences in cerebral white matter microstructure seen via advanced magnetic resonance imaging methods, and lower scores on measures of attention and memory observed among children who were diagnosed in DKA. Other factors that may influence neurocognitive development include child sleep, caregiver distress, and diabetes device use, presumably due to improved glycemic control. We highlight neurocognitive risk and protective factors for children with T1D and priorities for future research in this high-risk population.
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Affiliation(s)
- Sarah S Jaser
- Department of Pediatrics, Vanderbilt University Medical Center, 2525 West End Ave., Suite 1200, Nashville, TN, 37203, USA.
| | - Lori C Jordan
- Department of Pediatrics, Vanderbilt University Medical Center, 2525 West End Ave., Suite 1200, Nashville, TN, 37203, USA
- Department of Neurology, Vanderbilt University Medical Center, Nashville, TN, USA
- Department of Radiology and Radiological Science, Vanderbilt University Medical Center, Nashville, TN, USA
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36
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Kolb L. An Effective Model of Diabetes Care and Education: The ADCES7 Self-Care Behaviors™. Sci Diabetes Self Manag Care 2021; 47:30-53. [PMID: 34078208 DOI: 10.1177/0145721720978154] [Citation(s) in RCA: 119] [Impact Index Per Article: 29.8] [Reference Citation Analysis] [Abstract] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
PURPOSE The ADCES7 Self-Care Behaviors™ (ADCES7) is a robust framework for self-management of diabetes and other related conditions, such as prediabetes and cardiometabolic diseases. It is the position of the Association of Diabetes Care and Education Specialists (ADCES) that at the cornerstone of diabetes self-management education and support, the ADCES7 is the framework for achieving behavior change that leads to effective self-management through improved behavior and clinical outcome measures. The ADCES7 model guides the health care team in effective person-centered collaboration and goal setting to achieve health-related outcomes and improved quality of life. Continued research and evidence are critical to expand this model and broaden its application to other chronic conditions. Given the advances in the science of diabetes management as well as diabetes self-management education and support, ADCES has evaluated the ADCES7 within the framework of these advances, including the digital and dynamic health care landscape. CONCLUSION This revised position statement blends the updates in research and ADCES's vision and expansion beyond diabetes to refresh the ADCES7 framework. This revision reflects the perspectives of all members of the health care team as they problem solve with individuals who are at risk for or who have diabetes and related conditions to achieve healthier outcomes.
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Affiliation(s)
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- From the Association of Diabetes Care and Education Specialists, Chicago, Illinois
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37
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Chaytor NS, Barbosa-Leiker C, Germine LT, Fonseca LM, McPherson SM, Tuttle KR. Construct validity, ecological validity and acceptance of self-administered online neuropsychological assessment in adults. Clin Neuropsychol 2021; 35:148-164. [PMID: 32883156 PMCID: PMC8982107 DOI: 10.1080/13854046.2020.1811893] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2020] [Revised: 08/12/2020] [Accepted: 08/13/2020] [Indexed: 12/29/2022]
Abstract
Objective: The goal of this project was to explore the initial psychometric properties (construct and ecological validity) of self-administered online (SAO) neuropsychological assessment (using the www.testmybrain.org platform), compared to traditional testing, in a clinical sample, as well as to evaluate participant acceptance. SAO assessment has the potential to expand the reach of in-person neuropsychological assessment approaches.Method: Counterbalanced, within-subjects design comparing SAO performance to in-person performance in adults with diabetes with and without Chronic Kidney Disease (CKD). Forty-nine participants completed both assessment modalities (type 1 diabetes N = 14, type 2 diabetes N = 35; CKD N = 18).Results: Associations between SAO and analogous in-person tests were adequate to good (r = 0.49-0.66). Association strength between divergent cognitive tests did not differ between SAO versus in-person tests. SAO testing was more strongly associated with age than in-person testing (age R2=0.54 versus 0.23), while prediction of education, HbA1c, and estimated glomerular filtration rate (eGFR) did not differ significantly between test modalities (education R2=0.37 versus 0.30; HbA1c R2=0.20 versus 0.12; eGFR R2 = 0.41 versus 0.33). Associations with measures of everyday functioning were also similar (Functional Activities Questionnaire R2=0.08 versus 0.07; Neuro-QoL R2=0.14 versus 0.16; Diabetes Self-Management Questionnaire R2=0.19 versus 0.19).Conclusions: The selected SAO neuropsychological tests had acceptable construct validity (including divergent, convergent, and criterion-related validity), and similar ecological validity to that of traditional testing. These SAO assessments were acceptable to participants and appear appropriate for use in research applications, although further research is needed to better understand the strengths and weaknesses in other clinical populations.
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Affiliation(s)
- Naomi S Chaytor
- WSU Health Sciences Spokane, Elson S. Floyd College of Medicine, Washington State University, Spokane, WA, USA
| | | | - Laura T Germine
- Institute for Technology in Psychiatry, McLean Hospital, Belmont, MA, USA
- Psychiatry Department, Harvard Medical School, Boston, MA, USA
| | - Luciana Mascarenhas Fonseca
- WSU Health Sciences Spokane, Elson S. Floyd College of Medicine, Washington State University, Spokane, WA, USA
| | - Sterling M McPherson
- WSU Health Sciences Spokane, Elson S. Floyd College of Medicine, Washington State University, Spokane, WA, USA
- School of Medicine, University of Washington, Seattle, WA, USA
- Providence Health Care, Spokane, WA, USA
| | - Katherine R Tuttle
- School of Medicine, University of Washington, Seattle, WA, USA
- Providence Health Care, Spokane, WA, USA
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38
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Jash K, Gondaliya P, Sunkaria A, Kalia K. MicroRNA-29b Modulates β-Secretase Activity in SH-SY5Y Cell Line and Diabetic Mouse Brain. Cell Mol Neurobiol 2020; 40:1367-1381. [PMID: 32198621 PMCID: PMC11448805 DOI: 10.1007/s10571-020-00823-4] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2019] [Accepted: 02/29/2020] [Indexed: 01/18/2023]
Abstract
Hyperglycemia is one of the major risk factors responsible for memory impairment in diabetes which may lead to Alzheimer's disease (AD) at a later stage. MicroRNAs are a class of non-coding RNAs that are found to play a role in diabetes. Downregulation of microRNA-29b in diabetes is well reported. Moreover, microRNA-29b is also reported to target the 3' UTR of β-secretase (BACE-1) enzyme which is involved in the formation of amyloid-beta (Aβ) in AD via cleavage of amyloid precursor protein (APP). Therefore, the present study was designed to elucidate whether microRNA-29b could be a link between diabetes and dementia. In the in vitro and in vivo diabetic model, we found downregulation of microRNA-29b due to hyperglycemia. After human microRNA-29b treatment, there was a significant improvement in the short-term and spatial memory in diabetic mice. Also, the human microRNA-29b treatment decreased oxidative stress and BACE-1 activity in diabetes. The present findings revealed that the downregulation of microRNA-29b in diabetes could be associated with memory impairment and increased BACE-1 activity. These results would give a future direction to study the role played by microRNAs in diabetes-associated memory impairment and hence aid in the development of therapeutics to treat the same.
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Affiliation(s)
- Kavya Jash
- Department of Biotechnology, National Institute of Pharmaceutical Education and Research-Ahmedabad, Opposite Air Force Station, Palaj, Gandhinagar, Gujarat, 382355, India
| | - Piyush Gondaliya
- Department of Biotechnology, National Institute of Pharmaceutical Education and Research-Ahmedabad, Opposite Air Force Station, Palaj, Gandhinagar, Gujarat, 382355, India
| | - Aditya Sunkaria
- Department of Biotechnology, National Institute of Pharmaceutical Education and Research-Ahmedabad, Opposite Air Force Station, Palaj, Gandhinagar, Gujarat, 382355, India
| | - Kiran Kalia
- Department of Biotechnology, National Institute of Pharmaceutical Education and Research-Ahmedabad, Opposite Air Force Station, Palaj, Gandhinagar, Gujarat, 382355, India.
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Zhao Q, Zhang Y, Liao X, Wang W. Executive Function and Diabetes: A Clinical Neuropsychology Perspective. Front Psychol 2020; 11:2112. [PMID: 32973635 PMCID: PMC7468478 DOI: 10.3389/fpsyg.2020.02112] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2020] [Accepted: 07/29/2020] [Indexed: 02/05/2023] Open
Abstract
Objective Diabetes is a global public health concern. Management of diabetes depends on successful implementation of strategies to alleviate decline in executive functions (EFs), a characteristic of diabetes progression. In this review, we describe recent research on the relationship between diabetes and EF, summarize the existing evidence, and put forward future research directions and applications. Methods Herein, we provide an overview of recent studies, to elucidate the relationship between DM and EF. We identified new screening objectives, management tools, and intervention targets for diabetes management. We also discuss the implications for clinical practice. Results In both types 1 and 2 diabetes mellitus (DM), hyperglycemia substantially impairs EF in people of all age groups and ethnicities. Hypoglycemia can similarly impair EF. Interestingly, a decline in EF contributes to DM progression. Glucose dysregulation and EF decline exacerbate each other in a vicious cycle: poor blood glucose control, impaired EF, diabetes management task failure, then back to poor blood glucose control. Many pathophysiological indexes (e.g., obesity, metabolic index, inflammatory and immune factors), neuropsychological indexes (e.g., compliance, eating habits, physical exercise, sleep, and depression), and genetic factors are changed by this pathological interaction between DM and EF. These changes can provide insight into the pathophysiological mechanisms of diabetes-related EF decline. Conclusion Further studies, including large-scale prospective and randomized controlled trials, are needed to elucidate the mechanism of the interaction between diabetes and EF and to develop novel strategies for breaking this cycle.
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Affiliation(s)
- Qian Zhao
- International Medical Center/Ward of General Practice and National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, China
| | - Yonggang Zhang
- Department of Periodical Press and National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, China
| | - Xiaoyang Liao
- International Medical Center/Ward of General Practice and National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, China
| | - Weiwen Wang
- Department of Neurology, General Hospital of Western Theater Command, Chengdu, China
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40
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Jaghutriz BA, Wagner R, Kullmann S, Fritsche L, Eckstein SS, Dannecker C, Willmann C, Randrianarisoa E, Lehn-Stefan A, Hieronimus A, Hudak S, Vosseler D, Lamprinou A, Huber P, Vosseler A, Willmann G, Heyne N, Wolff D, Stefan N, Häring HU, Birkenfeld AL, Peter A, Fritsche A, Heni M. The TUDID Study - Background and Design of a Prospective Cohort. Exp Clin Endocrinol Diabetes 2020; 130:43-48. [PMID: 32911559 DOI: 10.1055/a-1221-9618] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Abstract
Prevalence of both type 1 and type 2 diabetes mellitus is growing worldwide and one major cause for morbidity and mortality. However, not every patient develops diabetes-related complications, but causes for the individual susceptibility are still not fully understood. As a platform to address this, we initiated the TUDID (TUebingen DIabetes Database) study, a prospective, monocentric, observational study that includes adults with diabetes mellitus who are treated in the inpatient clinic of a University Hospital in southern Germany. Besides a thorough clinical examination and extensive laboratory tests (with integrated biobanking), major study focuses are the kidneys, the eyes, the vasculature as well as cognition and mood where standardized investigations for early stages for diabetes complications are performed. Analyses of the data generated by this precise characterization of diabetes-related complications will contribute to our understanding of the development and course of such complications, and thus facilitate the implementation of tailored treatment options that can reduce the risk and severity of diabetes-related complications.
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Affiliation(s)
- Benjamin Assad Jaghutriz
- Institute for Diabetes Research and Metabolic Diseases of the Helmholtz Center Munich at the University of Tübingen, Tübingen, Germany.,German Center for Diabetes Research (DZD e.V.), Tübingen, Germany.,Department of Internal Medicine, Division of Endocrinology, Diabetology, and Nephrology, University Hospital Tübingen, Tübingen, Germany
| | - Robert Wagner
- Institute for Diabetes Research and Metabolic Diseases of the Helmholtz Center Munich at the University of Tübingen, Tübingen, Germany.,German Center for Diabetes Research (DZD e.V.), Tübingen, Germany.,Department of Internal Medicine, Division of Endocrinology, Diabetology, and Nephrology, University Hospital Tübingen, 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 for Diabetes Research (DZD e.V.), Tübingen, Germany.,Institute of Medical Psychology and Behavioral Neurobiology/fMEG Center, Eberhard Karls University Tübingen, Tübingen, Germany
| | - Louise Fritsche
- Institute for Diabetes Research and Metabolic Diseases of the Helmholtz Center Munich at the University of Tübingen, Tübingen, Germany.,German Center for Diabetes Research (DZD e.V.), Tübingen, Germany
| | - Sabine S Eckstein
- Institute for Diabetes Research and Metabolic Diseases of the Helmholtz Center Munich at the University of Tübingen, Tübingen, Germany.,German Center for Diabetes Research (DZD e.V.), Tübingen, Germany
| | - Corinna Dannecker
- Institute for Diabetes Research and Metabolic Diseases of the Helmholtz Center Munich at the University of Tübingen, Tübingen, Germany.,German Center for Diabetes Research (DZD e.V.), Tübingen, Germany
| | - Caroline Willmann
- German Center for Diabetes Research (DZD e.V.), Tübingen, Germany.,Department of Internal Medicine, Division of Endocrinology, Diabetology, and Nephrology, University Hospital Tübingen, Tübingen, Germany
| | - Elko Randrianarisoa
- Institute for Diabetes Research and Metabolic Diseases of the Helmholtz Center Munich at the University of Tübingen, Tübingen, Germany.,German Center for Diabetes Research (DZD e.V.), Tübingen, Germany
| | - Angela Lehn-Stefan
- Institute for Diabetes Research and Metabolic Diseases of the Helmholtz Center Munich at the University of Tübingen, Tübingen, Germany.,German Center for Diabetes Research (DZD e.V.), Tübingen, Germany
| | - Anja Hieronimus
- German Center for Diabetes Research (DZD e.V.), Tübingen, Germany.,Department of Internal Medicine, Division of Endocrinology, Diabetology, and Nephrology, University Hospital Tübingen, Tübingen, Germany
| | - Sarah Hudak
- Institute for Diabetes Research and Metabolic Diseases of the Helmholtz Center Munich at the University of Tübingen, Tübingen, Germany.,German Center for Diabetes Research (DZD e.V.), Tübingen, Germany.,Department of Internal Medicine, Division of Endocrinology, Diabetology, and Nephrology, University Hospital Tübingen, Tübingen, Germany
| | - Dorothea Vosseler
- German Center for Diabetes Research (DZD e.V.), Tübingen, Germany.,Department of Internal Medicine, Division of Endocrinology, Diabetology, and Nephrology, University Hospital Tübingen, Tübingen, Germany
| | - Apostolia Lamprinou
- Institute for Diabetes Research and Metabolic Diseases of the Helmholtz Center Munich at the University of Tübingen, Tübingen, Germany.,German Center for Diabetes Research (DZD e.V.), Tübingen, Germany.,Department of Internal Medicine, Division of Endocrinology, Diabetology, and Nephrology, University Hospital Tübingen, Tübingen, Germany
| | - Philipp Huber
- Department of Internal Medicine, Division of Endocrinology, Diabetology, and Nephrology, University Hospital Tübingen, Tübingen, Germany
| | - Andreas Vosseler
- Institute for Diabetes Research and Metabolic Diseases of the Helmholtz Center Munich at the University of Tübingen, Tübingen, Germany.,German Center for Diabetes Research (DZD e.V.), Tübingen, Germany.,Department of Internal Medicine, Division of Endocrinology, Diabetology, and Nephrology, University Hospital Tübingen, Tübingen, Germany
| | | | - Nils Heyne
- Department of Internal Medicine, Division of Endocrinology, Diabetology, and Nephrology, University Hospital Tübingen, Tübingen, Germany
| | - Diana Wolff
- Department of Conservative Dentistry, University Hospital Tübingen, Tübingen, Germany
| | - Norbert Stefan
- Institute for Diabetes Research and Metabolic Diseases of the Helmholtz Center Munich at the University of Tübingen, Tübingen, Germany.,German Center for Diabetes Research (DZD e.V.), Tübingen, Germany.,Department of Internal Medicine, Division of Endocrinology, Diabetology, and Nephrology, University Hospital Tübingen, Tübingen, Germany
| | - Hans-Ulrich Häring
- Institute for Diabetes Research and Metabolic Diseases of the Helmholtz Center Munich at the University of Tübingen, Tübingen, Germany.,German Center for Diabetes Research (DZD e.V.), Tübingen, Germany.,Department of Internal Medicine, Division of Endocrinology, Diabetology, and Nephrology, University Hospital Tübingen, Tübingen, Germany
| | - Andreas L Birkenfeld
- Institute for Diabetes Research and Metabolic Diseases of the Helmholtz Center Munich at the University of Tübingen, Tübingen, Germany.,German Center for Diabetes Research (DZD e.V.), Tübingen, Germany.,Department of Internal Medicine, Division of Endocrinology, Diabetology, and Nephrology, University Hospital Tübingen, Tübingen, Germany
| | - Andreas Peter
- Institute for Diabetes Research and Metabolic Diseases of the Helmholtz Center Munich at the University of Tübingen, Tübingen, Germany.,German Center for Diabetes Research (DZD e.V.), Tübingen, Germany.,Institute for Clinical Chemistry and Pathobiochemistry, Department for Diagnostic Laboratory Medicine, University Hospital Tübingen, Tübingen, Germany
| | - Andreas Fritsche
- Institute for Diabetes Research and Metabolic Diseases of the Helmholtz Center Munich at the University of Tübingen, Tübingen, Germany.,German Center for Diabetes Research (DZD e.V.), Tübingen, Germany.,Department of Internal Medicine, Division of Endocrinology, Diabetology, and Nephrology, University Hospital Tübingen, Tübingen, Germany
| | - Martin Heni
- Institute for Diabetes Research and Metabolic Diseases of the Helmholtz Center Munich at the University of Tübingen, Tübingen, Germany.,German Center for Diabetes Research (DZD e.V.), Tübingen, Germany.,Department of Internal Medicine, Division of Endocrinology, Diabetology, and Nephrology, University Hospital Tübingen, Tübingen, Germany.,Institute for Clinical Chemistry and Pathobiochemistry, Department for Diagnostic Laboratory Medicine, University Hospital Tübingen, Tübingen, Germany
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Spinelli M, Fusco S, Grassi C. Brain insulin resistance impairs hippocampal plasticity. VITAMINS AND HORMONES 2020; 114:281-306. [PMID: 32723548 DOI: 10.1016/bs.vh.2020.04.005] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Nutrient-related signals have been demonstrated to influence brain development and cognitive functions. In particular, insulin signaling has been shown to impact on molecular cascades underlying hippocampal plasticity, learning and memory. Alteration of brain insulin signaling interferes with the maintenance of neural stem cell niche and neuronal activity in the hippocampus. Brain insulin resistance is also emerging as key factor causing the cognitive impairment observed in metabolic and neurodegenerative diseases. Here, we review the molecular mechanisms involved in the insulin modulation of both adult neurogenesis and synaptic activity in the hippocampus. We also summarize the effects of altered insulin sensitivity on hippocampal plasticity. Finally, we reassume the experimental and epidemiological evidence highlighting the critical role of brain insulin resistance at the crossroad between type 2 diabetes and Alzheimer's disease.
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Affiliation(s)
- Matteo Spinelli
- Department of Neuroscience, Università Cattolica del Sacro Cuore, Rome, Italy
| | - Salvatore Fusco
- Department of Neuroscience, Università Cattolica del Sacro Cuore, Rome, Italy; Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome, Italy.
| | - Claudio Grassi
- Department of Neuroscience, Università Cattolica del Sacro Cuore, Rome, Italy; Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome, Italy.
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Lacy ME, Gilsanz P, Eng CW, Beeri MS, Karter AJ, Whitmer RA. Recurrent diabetic ketoacidosis and cognitive function among older adults with type 1 diabetes: findings from the Study of Longevity in Diabetes. BMJ Open Diabetes Res Care 2020; 8:8/1/e001173. [PMID: 32546548 PMCID: PMC7299028 DOI: 10.1136/bmjdrc-2020-001173] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/06/2020] [Revised: 03/25/2020] [Accepted: 05/04/2020] [Indexed: 01/17/2023] Open
Abstract
INTRODUCTION Diabetic ketoacidosis (DKA) is a serious complication of diabetes. DKA is associated with poorer cognition in children with type 1 diabetes (T1D), but whether this is the case in older adults with T1D is unknown. Given the increasing life expectancy in T1D, understanding the role of DKA on brain health in older adults is crucial. RESEARCH DESIGN AND METHODS We examined the association of DKA with cognitive function in 714 older adults with T1D from the Study of Longevity in Diabetes. Participants self-reported lifetime exposure to DKA resulting in hospitalization; DKA was categorized into 0 hospitalization, 1 hospitalization or ≥2 hospitalizations (recurrent DKA). Global and domain-specific cognition (language, executive function/psychomotor speed, episodic memory and simple attention) were assessed. The association of DKA with cognitive function was evaluated via linear and logistic regression models. RESULTS Twenty-eight percent of participants (mean age=67 years; mean age at diagnosis=28 years; average duration of diabetes=39 years) reported a lifetime history of DKA resulting in hospitalization (18.5% single DKA; 9.7% recurrent DKA). In fully adjusted models, those with recurrent DKA had lower global cognitive function (β=-0.13; 95% CI -0.22 to 0.02) and lower scores on the executive function/psychomotor speed domain (β=-0.34; 95% CI -0.51 to 0.17). Individuals with recurrent DKA were also more likely to have the lowest level of cognitive function on the executive function/psychomotor speed domain (defined as 1.5 SD below the population mean; OR=3.26, 95% CI 1.43 to 7.42). CONCLUSIONS Among 714 older adults with T1D, recurrent DKA was associated with lower global cognitive function, lower scores on the executive function/psychomotor speed domain and 3.3 times greater risk of having the lowest level of cognitive function in our sample on the executive function/psychomotor speed domain. These findings suggest that recurrent DKA may negatively impact the brain health of older patients with T1D and highlight the importance of DKA prevention.
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Affiliation(s)
- Mary E Lacy
- Department of Epidemiology, University of Kentucky, Lexington, Kentucky, USA
- Division of Research, Kaiser Permanente Northern California, Oakland, California, USA
| | - Paola Gilsanz
- Division of Research, Kaiser Permanente Northern California, Oakland, California, USA
| | - Chloe W Eng
- Department of Epidemiology and Biostatistics, University of California San Francisco, San Francisco, California, USA
| | - Michal S Beeri
- Department of Psychiatry, Icahn School of Medicine at Mount Sinai, New York, New York, USA
- Joseph Sagol Neuroscience, Sheba Medical Center, Tel HaShomer, Israel
| | - Andrew J Karter
- Division of Research, Kaiser Permanente, Bainbridge Island, Washington, USA
| | - Rachel A Whitmer
- Division of Research, Kaiser Permanente Northern California, Oakland, California, USA
- Department of Epidemiology, University of California Davis School of Medicine, Davis, California, USA
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Affiliation(s)
- Lisa Chow
- Division of Diabetes, Endocrinology and Metabolism, Department of Medicine, University of Minnesota Medical School, Minneapolis, MN
| | - Elizabeth R Seaquist
- Division of Diabetes, Endocrinology and Metabolism, Department of Medicine, University of Minnesota Medical School, Minneapolis, MN
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Diabetes mellitus in the young and the old: Effects on cognitive functioning across the life span. Neurobiol Dis 2020; 134:104608. [DOI: 10.1016/j.nbd.2019.104608] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2019] [Revised: 08/06/2019] [Accepted: 09/04/2019] [Indexed: 01/12/2023] Open
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An Effective Model of Diabetes Care and Education: Revising the AADE7 Self-Care Behaviors ®. DIABETES EDUCATOR 2020; 46:139-160. [PMID: 31928334 DOI: 10.1177/0145721719894903] [Citation(s) in RCA: 95] [Impact Index Per Article: 19.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
PURPOSE The AADE7 Self-Care Behaviors® (AADE7) is a robust framework for self-management of diabetes and other related conditions, such as prediabetes and cardiometabolic diseases. It is the position of the American Association of Diabetes Educators (AADE) that, at the cornerstone of diabetes self-management education and support, the AADE7 is the framework for achieving behavior change that leads to effective self-management through improved behavior and clinical outcome measures. The AADE7 model guides the health care team in effective person-centered collaboration and goal setting to achieve health-related outcomes and improved quality of life. Continued research and evidence are critical to expand this model and broaden its application to other chronic conditions. Given the advances in the science of diabetes management, as well as in diabetes self-management education and support, AADE has evaluated the AADE7 within the framework of these advances, including the digital and dynamic health care landscape. CONCLUSION This revised position statement blends the updates in research and AADE's vision and expansion beyond diabetes to refresh the AADE7 framework. This revision reflects the perspectives of all members of the health care team as they problem solve with individuals who are at risk for or who have diabetes and related conditions to achieve healthier outcomes.
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Affiliation(s)
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- American Association of Diabetes Educators, Chicago, Illinois
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Yang X, Chen Y, Zhang W, Zhang Z, Yang X, Wang P, Yuan H. Association Between Inflammatory Biomarkers and Cognitive Dysfunction Analyzed by MRI in Diabetes Patients. Diabetes Metab Syndr Obes 2020; 13:4059-4065. [PMID: 33149645 PMCID: PMC7605599 DOI: 10.2147/dmso.s271160] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/07/2020] [Accepted: 10/02/2020] [Indexed: 01/05/2023] Open
Abstract
AIM To explore the relationship between inflammatory biomarkers and cognitive dysfunction in patients with type 1 diabetes mellitus (T1DM) and type 2 diabetes mellitus (T2DM). METHODS T1DM patients (n=32), T2DM patients (n=90) and age-matched controls (n=36 and 81, respectively) were included. The 72-hour dynamic blood glucose test and cognitive function, including visuoconstructive function, executive function, learning and memory, attention, language expression ability, and orientation, were analyzed. The head, body and tail grey matter of the hippocampus were analyzed by magnetic resonance spectroscopy. In addition, serum HMGB1, IL-1β, IL-6, and TNF-α concentrations were examined. RESULTS HbA1C, MAGE and MODD were higher in T1DM patients than in T2DM patients (p<0.05). MoCA scores and IL-1β and IL-6 levels in patients with T2DM were higher than T1DM patients. NAA/Cr and Cho/Cr of the hippocampus were higher in patients with T1DM than in those with T2DM. Levels of inflammatory factors in T1DM and T2DM patients were higher than in nondiabetic subjects (p<0.05). Regression analysis showed that cognition was associated with MAGE, MODD, NAA/Cr of the left hippocampus and HMGB1 in T1DM patients, after adjustment for age, sex, BMI and other co-variables. In T2DM patients, cognitive impairment was associated with MAGE, NAA/Cr of the left hippocampus, HMGB1 and IL-6, after adjustment for co-variables such as sex, age and BMI. CONCLUSION T2DM patients have more cognitive impairment than T1DM patients. Changes in brain function connections and metabolites may be the structural basis of the differences in cognitive functional impairment. Inflammation is related to cognitive impairment in diabetes patients, especially in T2DM patients.
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Affiliation(s)
- Xue Yang
- Department of Education and Training, Diabetes Research Center, Henan Province People’s Hospital, Zhengzhou, Henan Province, People’s Republic of China
| | - Yiqi Chen
- Department of Endocrinology and Metabolism, Diabetes Research Center, Henan Province People’s Hospital, Zhengzhou, Henan Province, People’s Republic of China
| | - Wenshuo Zhang
- Department of Health Examination, Henan Province People’s Hospital, Zhengzhou, Henan Province, People’s Republic of China
| | - Zhen Zhang
- Department of Endocrinology, Zhoukou Central Hospital, Zhoukou, Henan Province, People’s Republic of China
| | - Xueli Yang
- Department of Endocrinology and Metabolism, Diabetes Research Center, Henan Province People’s Hospital, Zhengzhou, Henan Province, People’s Republic of China
| | - Pengxu Wang
- Department of Endocrinology and Metabolism, Diabetes Research Center, Henan Province People’s Hospital, Zhengzhou, Henan Province, People’s Republic of China
| | - Huijuan Yuan
- Department of Endocrinology and Metabolism, Diabetes Research Center, Henan Province People’s Hospital, Zhengzhou, Henan Province, People’s Republic of China
- Correspondence: Huijuan YuanDepartment of Endocrinology and Metabolism, Diabetes Research Center, Zhengzhou, Henan Province450003, People’s Republic of China Email
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Liu J, Fan W, Jia Y, Su X, Wu W, Long X, Sun X, Liu J, Sun W, Zhang T, Gong Q, Shi H, Zhu Q, Wang J. Altered Gray Matter Volume in Patients With Type 1 Diabetes Mellitus. Front Endocrinol (Lausanne) 2020; 11:45. [PMID: 32117070 PMCID: PMC7031205 DOI: 10.3389/fendo.2020.00045] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/12/2019] [Accepted: 01/24/2020] [Indexed: 02/05/2023] Open
Abstract
Background and Purpose: Many imaging studies have reported structure alterations in patients with type 1 diabetes mellitus (T1DM) by using voxel-based morphometry (VBM). Nevertheless, the results reported were inconsistent and had not been reviewed quantitatively. Accordingly, the quantitative meta-analysis which including VBM studies of patients with T1DM was conducted. Materials and Methods: The gray matter volume alterations in patients with T1DM was estimated by using the software seed-based d mapping. Meantime, the meta-regression was applied to detect the effects of some demographics and clinical characteristics. Results: Six studies were finally included, which with 6 datasets comprising 414 T1DM patients and 216 healthy controls. The pooled meta-analyses detected that patients with T1DM showed robustly increased gray matter volume in the left dorsolateral superior frontal gyrus and middle frontal gyrus and a decreased gray matter volume in the right lingual gyrus, cerebellum, precuneus, the left inferior temporal gyrus, and middle temporal gyrus. The meta-regression showed that the mean age, the female patient's ratio, duration of illness and HbAlc% for T1DM patients were not linearly related with gray matter alterations. Conclusion: This meta-analysis demonstrates that gray matter volume decreases in T1DM patients were mainly locates in the cortical regions and cerebellum.
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Affiliation(s)
- Jia Liu
- Department of Radiology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Hubei Province Key Laboratory of Molecular Imaging, Wuhan, China
| | - Wenliang Fan
- Department of Radiology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Hubei Province Key Laboratory of Molecular Imaging, Wuhan, China
| | - Yuxi Jia
- Department of Radiology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Hubei Province Key Laboratory of Molecular Imaging, Wuhan, China
| | - Xiaoyun Su
- Department of Radiology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Hubei Province Key Laboratory of Molecular Imaging, Wuhan, China
| | - Wenjun Wu
- Department of Radiology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Hubei Province Key Laboratory of Molecular Imaging, Wuhan, China
| | - Xi Long
- Department of Radiology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Hubei Province Key Laboratory of Molecular Imaging, Wuhan, China
| | - Xin Sun
- Department of Radiology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Hubei Province Key Laboratory of Molecular Imaging, Wuhan, China
| | - Jie Liu
- Department of Radiology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Hubei Province Key Laboratory of Molecular Imaging, Wuhan, China
| | - Wengang Sun
- Department of Radiology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Hubei Province Key Laboratory of Molecular Imaging, Wuhan, China
| | | | - Qiyong Gong
- Department of Radiology, Huaxi MR Research Center, West China Hospital of Sichuan University, Chengdu, China
| | - Haojun Shi
- Department of Radiology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Hubei Province Key Laboratory of Molecular Imaging, Wuhan, China
- *Correspondence: Haojun Shi
| | - Qing Zhu
- Department of Neurology, Tongji Medical College, Union Hospital, Huazhong University of Science and Technology, Wuhan, China
- Qing Zhu
| | - Jing Wang
- Department of Radiology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Hubei Province Key Laboratory of Molecular Imaging, Wuhan, China
- Jing Wang
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Foland-Ross LC, Buckingam B, Mauras N, Arbelaez AM, Tamborlane WV, Tsalikian E, Cato A, Tong G, Englert K, Mazaika PK, Reiss AL, for the Diabetes Research in Children Network (DirecNet). Executive task-based brain function in children with type 1 diabetes: An observational study. PLoS Med 2019; 16:e1002979. [PMID: 31815939 PMCID: PMC6901178 DOI: 10.1371/journal.pmed.1002979] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/29/2019] [Accepted: 11/04/2019] [Indexed: 01/19/2023] Open
Abstract
BACKGROUND Optimal glycemic control is particularly difficult to achieve in children and adolescents with type 1 diabetes (T1D), yet the influence of dysglycemia on the developing brain remains poorly understood. METHODS AND FINDINGS Using a large multi-site study framework, we investigated activation patterns using functional magnetic resonance imaging (fMRI) in 93 children with T1D (mean age 11.5 ± 1.8 years; 45.2% female) and 57 non-diabetic (control) children (mean age 11.8 ± 1.5 years; 50.9% female) as they performed an executive function paradigm, the go/no-go task. Children underwent scanning and cognitive and clinical assessment at 1 of 5 different sites. Group differences in activation occurring during the contrast of "no-go > go" were examined while controlling for age, sex, and scan site. Results indicated that, despite equivalent task performance between the 2 groups, children with T1D exhibited increased activation in executive control regions (e.g., dorsolateral prefrontal and supramarginal gyri; p = 0.010) and reduced suppression of activation in the posterior node of the default mode network (DMN; p = 0.006). Secondary analyses indicated associations between activation patterns and behavior and clinical disease course. Greater hyperactivation in executive control regions in the T1D group was correlated with improved task performance (as indexed by shorter response times to correct "go" trials; r = -0.36, 95% CI -0.53 to -0.16, p < 0.001) and with better parent-reported measures of executive functioning (r values < -0.29, 95% CIs -0.47 to -0.08, p-values < 0.007). Increased deficits in deactivation of the posterior DMN in the T1D group were correlated with an earlier age of T1D onset (r = -0.22, 95% CI -0.41 to -0.02, p = 0.033). Finally, exploratory analyses indicated that among children with T1D (but not control children), more severe impairments in deactivation of the DMN were associated with greater increases in hyperactivation of executive control regions (T1D: r = 0.284, 95% CI 0.08 to 0.46, p = 0.006; control: r = 0.108, 95% CI -0.16 to 0.36, p = 0.423). A limitation to this study involves glycemic effects on brain function; because blood glucose was not clamped prior to or during scanning, future studies are needed to assess the influence of acute versus chronic dysglycemia on our reported findings. In addition, the mechanisms underlying T1D-associated alterations in activation are unknown. CONCLUSIONS These data indicate that increased recruitment of executive control areas in pediatric T1D may act to offset diabetes-related impairments in the DMN, ultimately facilitating cognitive and behavioral performance levels that are equivalent to that of non-diabetic controls. Future studies that examine whether these patterns change as a function of improved glycemic control are warranted.
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Affiliation(s)
- Lara C. Foland-Ross
- Center for Interdisciplinary Brain Sciences Research, Department of Psychiatry and Behavioral Sciences, Stanford University, Stanford, California, United States of America
- * E-mail:
| | - Bruce Buckingam
- Division of Pediatric Endocrinology and Diabetes, Stanford University School of Medicine, Stanford, California, United States of America
| | - Nelly Mauras
- Division of Endocrinology, Diabetes and Metabolism, Nemours Children’s Health System, Jacksonville, Florida, United States of America
| | - Ana Maria Arbelaez
- Division of Endocrinology, Washington University, Saint Louis, Missouri, United States of America
| | - William V. Tamborlane
- Division of Endocrinology, Yale University, New Haven, Connecticut, United States of America
| | - Eva Tsalikian
- Division of Endocrinology, University of Iowa, Iowa City, Iowa, United States of America
| | - Allison Cato
- Division of Neurology, Nemours Children’s Health System, Jacksonville, Florida, United States of America
| | - Gabby Tong
- Center for Interdisciplinary Brain Sciences Research, Department of Psychiatry and Behavioral Sciences, Stanford University, Stanford, California, United States of America
| | - Kimberly Englert
- Division of Endocrinology, Diabetes and Metabolism, Nemours Children’s Health System, Jacksonville, Florida, United States of America
| | - Paul K. Mazaika
- Center for Interdisciplinary Brain Sciences Research, Department of Psychiatry and Behavioral Sciences, Stanford University, Stanford, California, United States of America
| | - Allan L. Reiss
- Center for Interdisciplinary Brain Sciences Research, Department of Psychiatry and Behavioral Sciences, Stanford University, Stanford, California, United States of America
- Department of Pediatrics, Stanford University School of Medicine, Stanford, California, United States of America
- Department of Radiology, Stanford University School of Medicine, Stanford, California, United States of America
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Biessels GJ, Verhagen C, Janssen J, van den Berg E, Zinman B, Rosenstock J, George JT, Passera A, Schnaidt S, Johansen OE. Effect of Linagliptin on Cognitive Performance in Patients With Type 2 Diabetes and Cardiorenal Comorbidities: The CARMELINA Randomized Trial. Diabetes Care 2019; 42:1930-1938. [PMID: 31399442 DOI: 10.2337/dc19-0783] [Citation(s) in RCA: 47] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/20/2019] [Accepted: 07/15/2019] [Indexed: 02/03/2023]
Abstract
OBJECTIVE Type 2 diabetes is associated with cognitive dysfunction and an increased dementia risk, particularly in individuals with concomitant cardiovascular and/or kidney disease. Incretin therapies may modulate this risk via glycemic and nonglycemic pathways. We explored if the dipeptidyl peptidase 4 inhibitor linagliptin could prevent cognitive decline in people with type 2 diabetes with cardiorenal disease. RESEARCH DESIGN AND METHODS The CArdiovascular and Renal Microvascular outcomE study with LINAgliptin (CARMELINA)-COG substudy was an integral part of CARMELINA (NCT01897532) that randomized participants with cardiorenal disease to linagliptin 5 mg or placebo once daily (1:1), in addition to standard of care. The primary cognitive outcome was the occurrence of accelerated cognitive decline at the end of treatment, defined as a regression-based index score ≤16th percentile on the Mini-Mental State Examination (MMSE) or a composite measure of attention and executive functioning and analyzed in participants with a baseline MMSE ≥24. Effects across subgroups by baseline factors, as well as absolute cognitive changes, were also assessed. RESULTS Of the 6,979 participants in CARMELINA, CARMELINA-COG included 1,545 (mean ± SD age, 68 ± 8 years; MMSE, 28.3 ± 1.7; estimated glomerular filtration rate, 52 ± 23 mL/min/1.73 m2; and HbA1c, 7.8 ± 0.9% [61.4 ± 10.1 mmol/mol]). Over a median treatment duration of 2.5 years, accelerated cognitive decline occurred in 28.4% (linagliptin) vs. 29.3% (placebo) (odds ratio 0.96 [95% CI 0.77, 1.19]). Consistent effects were observed across subgroups by baseline characteristics. Absolute cognitive performance changes were also similar between treatment groups. CONCLUSIONS In a large international cardiovascular outcome trial in people with type 2 diabetes and cardiorenal disease, linagliptin did not modulate cognitive decline over 2.5 years.
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Affiliation(s)
- Geert Jan Biessels
- Department of Neurology, UMC Utrecht Brain Center, University Medical Center Utrecht, Utrecht, the Netherlands
| | - Chloë Verhagen
- Department of Neurology, UMC Utrecht Brain Center, University Medical Center Utrecht, Utrecht, the Netherlands
| | - Jolien Janssen
- Department of Neurology, UMC Utrecht Brain Center, University Medical Center Utrecht, Utrecht, the Netherlands.,Julius Center for Health Sciences and Primary Care, University Medical Center Utrecht, Utrecht, the Netherlands
| | - Esther van den Berg
- Department of Neurology, UMC Utrecht Brain Center, University Medical Center Utrecht, Utrecht, the Netherlands.,Department of Neurology, Erasmus MC-University Medical Center, Rotterdam, the Netherlands
| | - Bernard Zinman
- Lunenfeld-Tanenbaum Research Institute, Mount Sinai Hospital, University of Toronto, Toronto, Ontario, Canada
| | | | - Jyothis T George
- Therapeutic Area Cardiometabolism, Boehringer Ingelheim Pharma GmbH & Co. KG, Ingelheim, Germany
| | | | - Sven Schnaidt
- Biostatistics and Data Sciences, Boehringer Ingelheim, Biberach, Germany
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Nunley KA, Karp JF, Orchard TJ, Costacou T, Aizenstein HJ, Jennings JR, Rosano C. Depressive symptoms and cerebral microvascular disease in adults with Type 1 diabetes mellitus. Diabet Med 2019; 36:1168-1175. [PMID: 30552772 PMCID: PMC6571066 DOI: 10.1111/dme.13879] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 12/13/2018] [Indexed: 12/29/2022]
Abstract
AIM To assess the prevalence of, and risk factors for, depressive symptoms, comparing a sample of middle-aged adults with and without juvenile-onset Type 1 diabetes mellitus, and to determine if depressive symptoms were associated with white matter hyperintensity volume among those with Type 1 diabetes. METHODS Depressive symptoms and white matter hyperintensities were compared between adults (age range 30-65 years) with juvenile-onset Type 1 diabetes (n=130) and adults without Type 1 diabetes (n=133). The association of Type 1 diabetes with depression was computed before and after adjustment for white matter hyperintensities. Among the Type 1 diabetes group, the primary associations of interest were between depressive symptoms (Beck Depression Inventory score ≥10) and white matter hyperintensities (n=71), hyperglycaemia and physical activity. Associations between depressive symptoms and diabetes-related complications, cognitive impairment, smoking and self-reported disability were examined. Analyses were controlled for education, sex, age and antidepressant use. RESULTS Depressive symptoms were more prevalent among those with vs those without Type 1 diabetes (28% vs 3%; P<0.001). White matter hyperintensities explained 40% of the association of Type 1 diabetes with depressive symptoms, while Type 1 diabetes had a direct effect of 68% on depressive symptoms. Among those with Type 1 diabetes, depressive symptoms were related to white matter hyperintensity volume, a 16-year average HbA1c ≥58 mmol/mol (7.5%), and lower physical activity levels. Associations with other characteristics were not significant. CONCLUSION These findings suggest a cerebrovascular origin for depressive symptoms in adults with Type 1 diabetes, perhaps triggered by hyperglycaemia. Future longitudinal studies should investigate whether targeting hyperglycaemia and physical inactivity alleviates depressive symptoms, possibly by slowing the development of cerebral microvascular disease, in people with Type 1 diabetes.
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Affiliation(s)
- K A Nunley
- Department of Epidemiology, Graduate School of Public Health, University of Pittsburgh, Pittsburgh, PA, USA
| | - J F Karp
- Department of Psychiatry, University of Pittsburgh, Pittsburgh, PA, USA
| | - T J Orchard
- Department of Epidemiology, Graduate School of Public Health, University of Pittsburgh, Pittsburgh, PA, USA
| | - T Costacou
- Department of Epidemiology, Graduate School of Public Health, University of Pittsburgh, Pittsburgh, PA, USA
| | - H J Aizenstein
- Department of Psychiatry, University of Pittsburgh, Pittsburgh, PA, USA
| | - J R Jennings
- Department of Psychiatry, University of Pittsburgh, Pittsburgh, PA, USA
- Department of Psychology, University of Pittsburgh, Pittsburgh, PA, USA
| | - C Rosano
- Department of Epidemiology, Graduate School of Public Health, University of Pittsburgh, Pittsburgh, PA, USA
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