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Aging adipose tissue, insulin resistance, and type 2 diabetes
Biogerontology. 2023 Sep 19. doi: 10.1007/s10522-023-10067-6. Online ahead of print.ABSTRACTWith the increase of population aging, the prevalence of type 2 diabetes (T2D) is also rising. Aging affects the tissues and organs of the whole body, which is the result of various physiological and pathological processes. Adipose tissue has a high degree of plasticity and changes with aging. Aging changes the distribution of adipose tissue, affects adipogenesis, browning characteristics, inflammatory status and adipokine secretion, and increases lipotoxicity. These age-dependent changes in adipose tissue are an important cause of ...
Source: Biogerontology - September 19, 2023 Category: Geriatrics Authors: Yixuan Zhao Rensong Yue Source Type: research
Amino acid metabolism dysregulation associated with inflammation and insulin resistance in HIV-infected individuals with metabolic disorders
In this study, we performed targeted metabolomic analyses on 64 patients with HIV/AIDS and 21 healthy controls. Twenty-four amino acids and selected intermediate metabolites in the serum were quantitatively detected using high-performance liquid chromatography-tandem mass spectrometry, and characteristic changes and metabolic pathways were analyzed in HIV-infected patients with different degrees of abnormal glucose and lipid metabolism. Spearman's partial correlation was used to analyze the association between amino acids, biochemical parameters, and inflammatory cytokines. The results showed that the main metabolic pathwa...
Source: Amino Acids - September 19, 2023 Category: Biochemistry Authors: Jing Zhang Yanfang Chen Mingli Wang Liuting Zhong Linghua Li Zhongwen Yuan Shangrong Zou Source Type: research
Untargeted metabolomics analysis of plasma metabolic characteristics in patients with acne and insulin resistance
This study aimed to identify significantly different metabolites and related metabolic pathways in the serum of acne vulgaris patients with or without insulin resistance. LC-MS/MS was used to analyze serum samples from patients about acne with insulin resistance (n = 51) and acne without insulin resistance (n = 69) to identify significant metabolites and metabolic pathways. In this study, 18 significant differential metabolites were screened for the first time. In the positive-ion mode, the upregulated substances were creatine, sarcosine, D-proline, uracil, Phe-Phe, L-pipecolic acid, and DL-phenylalanine; the downregulated...
Source: Amino Acids - September 19, 2023 Category: Biochemistry Authors: Qingqing He Huiling Shu Yu Peng Yang Xu Li Liu Jie Zhou Juan Zhao Xia Xiong Changqiang Li Source Type: research
Aging adipose tissue, insulin resistance, and type 2 diabetes
Biogerontology. 2023 Sep 19. doi: 10.1007/s10522-023-10067-6. Online ahead of print.ABSTRACTWith the increase of population aging, the prevalence of type 2 diabetes (T2D) is also rising. Aging affects the tissues and organs of the whole body, which is the result of various physiological and pathological processes. Adipose tissue has a high degree of plasticity and changes with aging. Aging changes the distribution of adipose tissue, affects adipogenesis, browning characteristics, inflammatory status and adipokine secretion, and increases lipotoxicity. These age-dependent changes in adipose tissue are an important cause of ...
Source: Biogerontology - September 19, 2023 Category: Geriatrics Authors: Yixuan Zhao Rensong Yue Source Type: research
Error traps in the perioperative management of children with type 1 diabetes
This article reviews common errors of associated with the perioperative management of patients with T1D, including failure to assess and coordinate patient care preoperatively; failure to understand diabetes management and technology; failure to monitor blood glucose and recognize dysglycemia; and failure to appropriately administer basal insulin.PMID:37724489 | DOI:10.1111/pan.14763
Source: Paediatric Anaesthesia - September 19, 2023 Category: Anesthesiology Authors: M Hoagland B Duggar J Hamrick G Todd Alonso L Martin Source Type: research
Gestational Diabetes Mellitus: Update on Screening, Diagnosis, and Management
Am Fam Physician. 2023 Sep;108(3):249-258.ABSTRACTGestational diabetes mellitus (GDM) is a common condition of pregnancy with increasing prevalence in the United States. GDM increases risks of complications, including operative delivery, hypertensive disorders, shoulder dystocia, fetal macrosomia, large-for-gestational-age infants, neonatal hypoglycemia, and neonatal respiratory distress. In patients who are overweight or obese, prepregnancy weight loss and lifestyle modifications during pregnancy may prevent GDM. First-trimester screening can identify preexisting diabetes and early-onset GDM for prompt implementation of g...
Source: American Family Physician - September 19, 2023 Category: Primary Care Authors: Joshua S Will Holly Crellin Source Type: research
The Insulin Receptor and Insulin like Growth Factor Receptor 5' UTRs Support Translation Initiation Independently of EIF4G1
Mol Cell Biol. 2023 Sep 19:1-15. doi: 10.1080/10985549.2023.2255120. Online ahead of print.ABSTRACTIRES mediated translation initiation requires a different repertoire of factors than canonical cap-dependent translation. Treatments that inhibit the canonical translation factor EIF4G1 have little or no effect on the ability of the Insr and Igf1r cellular IRESes to promote translation. Transcripts for two cellular receptors contain RNA elements that facilitate translation initiation without intact EIF4G1. Cellular IRES mechanisms may resemble viral type III IRESes allowing them to promote translate with a limited number of i...
Source: Mol Biol Cell - September 19, 2023 Category: Molecular Biology Authors: Nicholas K Clark Meghan T Harris William B Dahl Zachary Knotts Michael T Marr Source Type: research
Gestational Diabetes Mellitus: Update on Screening, Diagnosis, and Management
Am Fam Physician. 2023 Sep;108(3):249-258.ABSTRACTGestational diabetes mellitus (GDM) is a common condition of pregnancy with increasing prevalence in the United States. GDM increases risks of complications, including operative delivery, hypertensive disorders, shoulder dystocia, fetal macrosomia, large-for-gestational-age infants, neonatal hypoglycemia, and neonatal respiratory distress. In patients who are overweight or obese, prepregnancy weight loss and lifestyle modifications during pregnancy may prevent GDM. First-trimester screening can identify preexisting diabetes and early-onset GDM for prompt implementation of g...
Source: American Family Physician - September 19, 2023 Category: Primary Care Authors: Joshua S Will Holly Crellin Source Type: research
Osteopontin-driven T-cell accumulation and function in adipose tissue and liver promoted insulin resistance and MAFLD
CONCLUSIONS: Current findings highlight a critical role of SPP1 in the initiation of obesity-driven chronic inflammation by regulating accumulation and/or polarization of T cells. Early targeting of SPP1 could be beneficial for IR and MAFLD treatment.PMID:37724058 | DOI:10.1002/oby.23868
Source: Obesity - September 19, 2023 Category: Eating Disorders & Weight Management Authors: Fr édéric Soysouvanh D éborah Rousseau St éphanie Bonnafous Manon Bourinet Axelle Strazzulla St éphanie Patouraux Jean Machowiak Marwin A Farrugia Antonio Iannelli Albert Tran Rodolphe Anty Carmelo Luci Philippe Gual Source Type: research
Transcriptome-based analysis of human peripheral blood reveals regulators of immune response in different viral infections
DiscussionThe identified relationships between some of them and virus-induced alteration of immune functions are new and have not been found earlier, e.g., receptors for autocrine motility factor, insulin, prolactin, angiotensin II, and immunoglobulin epsilon. Modulation of the identified receptors can be investigated as one of therapeutic strategies for the treatment of severe viral infections.
Source: Frontiers in Immunology - September 19, 2023 Category: Allergy & Immunology Source Type: research
Signaling Circuits and the Apical Extracellular Matrix In Aging: Connections Identified in the Nematode < em > Caenorhabditis elegans < /em >
Am J Physiol Cell Physiol. 2023 Sep 18. doi: 10.1152/ajpcell.00195.2023. Online ahead of print.ABSTRACTNumerous conserved signaling pathways play critical roles in aging, including insulin, TGF-β, Wnt, and autophagy pathways. Some of these pathways also play prominent roles in the formation and maintenance of the extracellular matrix. The nematode Caenorhabditis elegans has been an enduringly productive system for the identification of conserved mechanisms of biological aging. Recent studies in C. elegans highlight the regulatory circuits between conserved signaling pathways and the extracellular matrix, revealing a bidir...
Source: American Journal of Physiology. Cell Physiology - September 18, 2023 Category: Cytology Authors: Hannah Reich Cathy Savage-Dunn Source Type: research
CRISPR/Cas9-mediated deletion of adipocyte genes associated with NAFLD alters adipocyte lipid handling and reduces steatosis in hepatocytes < em > in vitro < /em >
Am J Physiol Cell Physiol. 2023 Sep 18. doi: 10.1152/ajpcell.00291.2023. Online ahead of print.ABSTRACTObesity is a major risk factor for the development of non-alcoholic fatty liver disease (NAFLD) and the subcutaneous white adipose tissue (scWAT) is the primary lipid storage depot and regulates lipid fluxes to other organs. Our previous work identified genes up-regulated in scWAT of patients with NAFLD: SOCS3, DUSP1, and SIK1. Herein, we knocked down (KD) their expression in human adipose-derived mesenchymal stem cells (hADMSCs) using CRISPR/Cas9 technology and characterized their phenotype. We found that SOCS3, DUSP1, a...
Source: American Journal of Physiology. Cell Physiology - September 18, 2023 Category: Cytology Authors: Marta Lopez-Yus Scott Frendo-Cumbo Raquel Del Moral-Bergos Maria Pilar Garcia-Sobreviela Vanesa Bernal-Monterde Mikael Ryd én Silvia Lorente-Cebrian Jose M Arbones-Mainar Source Type: research
Signaling Circuits and the Apical Extracellular Matrix In Aging: Connections Identified in the Nematode < em > Caenorhabditis elegans < /em >
Am J Physiol Cell Physiol. 2023 Sep 18. doi: 10.1152/ajpcell.00195.2023. Online ahead of print.ABSTRACTNumerous conserved signaling pathways play critical roles in aging, including insulin, TGF-β, Wnt, and autophagy pathways. Some of these pathways also play prominent roles in the formation and maintenance of the extracellular matrix. The nematode Caenorhabditis elegans has been an enduringly productive system for the identification of conserved mechanisms of biological aging. Recent studies in C. elegans highlight the regulatory circuits between conserved signaling pathways and the extracellular matrix, revealing a bidir...
Source: Am J Physiol Cell Ph... - September 18, 2023 Category: Cytology Authors: Hannah Reich Cathy Savage-Dunn Source Type: research
CRISPR/Cas9-mediated deletion of adipocyte genes associated with NAFLD alters adipocyte lipid handling and reduces steatosis in hepatocytes < em > in vitro < /em >
Am J Physiol Cell Physiol. 2023 Sep 18. doi: 10.1152/ajpcell.00291.2023. Online ahead of print.ABSTRACTObesity is a major risk factor for the development of non-alcoholic fatty liver disease (NAFLD) and the subcutaneous white adipose tissue (scWAT) is the primary lipid storage depot and regulates lipid fluxes to other organs. Our previous work identified genes up-regulated in scWAT of patients with NAFLD: SOCS3, DUSP1, and SIK1. Herein, we knocked down (KD) their expression in human adipose-derived mesenchymal stem cells (hADMSCs) using CRISPR/Cas9 technology and characterized their phenotype. We found that SOCS3, DUSP1, a...
Source: Am J Physiol Cell Ph... - September 18, 2023 Category: Cytology Authors: Marta Lopez-Yus Scott Frendo-Cumbo Raquel Del Moral-Bergos Maria Pilar Garcia-Sobreviela Vanesa Bernal-Monterde Mikael Ryd én Silvia Lorente-Cebrian Jose M Arbones-Mainar Source Type: research
