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Li K, Chen Y, Xie J, Cai W, Pang C, Cui C, Huan Y, Deng B. How vitamins act as novel agents for ameliorating diabetic peripheral neuropathy: A comprehensive overview. Ageing Res Rev 2023; 91:102064. [PMID: 37689144 DOI: 10.1016/j.arr.2023.102064] [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: 03/19/2023] [Revised: 08/10/2023] [Accepted: 09/01/2023] [Indexed: 09/11/2023]
Abstract
Diabetic peripheral neuropathy (DPN) is a pervasive and incapacitating sequela of diabetes, affecting a significant proportion of those diagnosed with the disease, yet an effective treatment remains elusive. Vitamins have been extensively studied, emerging as a promising target for diagnosing and treating various systemic diseases, but their role in DPN is not known. This review collates and synthesizes knowledge regarding the interplay between vitamins and DPN, drawing on bibliographies from prior studies and relevant articles, and stratifying the therapeutic strategies from prophylactic to interventional. In addition, the clinical evidence supporting the use of vitamins to ameliorate DPN is also evaluated, underscoring the potential of vitamins as putative therapeutic agents. We anticipate that this review will offer novel insights for developing and applying vitamin-based therapies for DPN.
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Affiliation(s)
- Kezheng Li
- Department of Neurology, First Affiliated Hospital of Wenzhou Medical University, Wenzhou, PR China; First School of Clinical Medicine, Wenzhou Medical University, Wenzhou, PR China
| | - Yinuo Chen
- Department of Neurology, First Affiliated Hospital of Wenzhou Medical University, Wenzhou, PR China; First School of Clinical Medicine, Wenzhou Medical University, Wenzhou, PR China
| | - Jiali Xie
- Department of Neurology, Shanghai East Hospital, Tongji University School of Medicine, Shanghai, PR China
| | - Weiwei Cai
- Department of Rheumatology and Immunology, Beijing Hospital, Beijing, PR China
| | - Chunyang Pang
- Department of Neurology, First Affiliated Hospital of Wenzhou Medical University, Wenzhou, PR China
| | - Can Cui
- Department of Clinical Sciences Malmö, Lund University, Skåne, Sweden
| | - Yu Huan
- Department of Pediatrics, Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, PR China
| | - Binbin Deng
- Department of Neurology, First Affiliated Hospital of Wenzhou Medical University, Wenzhou, PR China; First School of Clinical Medicine, Wenzhou Medical University, Wenzhou, PR China.
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2
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Biotin Enhances Testosterone Production in Mice and Their Testis-Derived Cells. Nutrients 2022; 14:nu14224761. [PMID: 36432448 PMCID: PMC9697070 DOI: 10.3390/nu14224761] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2022] [Revised: 11/04/2022] [Accepted: 11/04/2022] [Indexed: 11/12/2022] Open
Abstract
Late-onset hypogonadism, a male age-related syndrome characterized by a decline in testosterone production in the testes, is commonly treated with testosterone replacement therapy, which has adverse side effects. Therefore, an alternative treatment is highly sought. Supplementation of a high dosage of biotin, a water-soluble vitamin that functions as a coenzyme for carboxylases involved in carbohydrate, lipid, and amino acid metabolism, has been shown to influence testis functions. However, the involvement of biotin in testis steroidogenesis has not been well clarified. In this study, we examined the effect of biotin on testosterone levels in mice and testis-derived cells. In mice, intraperitoneal treatment with biotin (1.5 mg/kg body weight) enhanced testosterone levels in the serum and testes, without elevating serum levels of pituitary luteinizing hormone. To investigate the mechanism in which biotin increased the testosterone level, mice testis-derived I-10 cells were used. The cells treated with biotin increased testosterone production in a dose- and time-dependent manner. Biotin treatment elevated intracellular cyclic adenosine monophosphate levels via adenylate cyclase activation, followed by the activation of protein kinase A and testosterone production. These results suggest that biotin may have the potential to improve age-related male syndromes associated with declining testosterone production.
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Rayaprolu S, Bitarafan S, Santiago JV, Betarbet R, Sunna S, Cheng L, Xiao H, Nelson RS, Kumar P, Bagchi P, Duong DM, Goettemoeller AM, Oláh VJ, Rowan M, Levey AI, Wood LB, Seyfried NT, Rangaraju S. Cell type-specific biotin labeling in vivo resolves regional neuronal and astrocyte proteomic differences in mouse brain. Nat Commun 2022; 13:2927. [PMID: 35614064 PMCID: PMC9132937 DOI: 10.1038/s41467-022-30623-x] [Citation(s) in RCA: 31] [Impact Index Per Article: 15.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2021] [Accepted: 05/06/2022] [Indexed: 01/19/2023] Open
Abstract
Proteomic profiling of brain cell types using isolation-based strategies pose limitations in resolving cellular phenotypes representative of their native state. We describe a mouse line for cell type-specific expression of biotin ligase TurboID, for in vivo biotinylation of proteins. Using adenoviral and transgenic approaches to label neurons, we show robust protein biotinylation in neuronal soma and axons throughout the brain, allowing quantitation of over 2000 neuron-derived proteins spanning synaptic proteins, transporters, ion channels and disease-relevant druggable targets. Next, we contrast Camk2a-neuron and Aldh1l1-astrocyte proteomes and identify brain region-specific proteomic differences within both cell types, some of which might potentially underlie the selective vulnerability to neurological diseases. Leveraging the cellular specificity of proteomic labeling, we apply an antibody-based approach to uncover differences in neuron and astrocyte-derived signaling phospho-proteins and cytokines. This approach will facilitate the characterization of cell-type specific proteomes in a diverse number of tissues under both physiological and pathological states.
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Affiliation(s)
- Sruti Rayaprolu
- Department of Neurology, Emory University, Atlanta, GA, 30322, USA
- Center for Neurodegenerative Diseases, Emory University, Atlanta, GA, 30322, USA
| | - Sara Bitarafan
- Georgia W. Woodruff School of Mechanical Engineering, Parker H. Petit Institute for Bioengineering and Bioscience, and Wallace H. Coulter Department of Biomedical Engineering, Georgia Institute of Technology, Atlanta, GA, 30322, USA
| | - Juliet V Santiago
- Department of Neurology, Emory University, Atlanta, GA, 30322, USA
- Center for Neurodegenerative Diseases, Emory University, Atlanta, GA, 30322, USA
| | - Ranjita Betarbet
- Department of Neurology, Emory University, Atlanta, GA, 30322, USA
- Center for Neurodegenerative Diseases, Emory University, Atlanta, GA, 30322, USA
| | - Sydney Sunna
- Department of Neurology, Emory University, Atlanta, GA, 30322, USA
- Center for Neurodegenerative Diseases, Emory University, Atlanta, GA, 30322, USA
| | - Lihong Cheng
- Department of Neurology, Emory University, Atlanta, GA, 30322, USA
- Center for Neurodegenerative Diseases, Emory University, Atlanta, GA, 30322, USA
| | - Hailian Xiao
- Department of Neurology, Emory University, Atlanta, GA, 30322, USA
- Center for Neurodegenerative Diseases, Emory University, Atlanta, GA, 30322, USA
| | - Ruth S Nelson
- Department of Neurology, Emory University, Atlanta, GA, 30322, USA
- Center for Neurodegenerative Diseases, Emory University, Atlanta, GA, 30322, USA
| | - Prateek Kumar
- Department of Neurology, Emory University, Atlanta, GA, 30322, USA
- Center for Neurodegenerative Diseases, Emory University, Atlanta, GA, 30322, USA
| | - Pritha Bagchi
- Center for Neurodegenerative Diseases, Emory University, Atlanta, GA, 30322, USA
- Emory Integrated Proteomics Core, Emory University, Atlanta, GA, 30322, USA
- Department of Biochemistry, Emory University, Atlanta, GA, 30322, USA
| | - Duc M Duong
- Center for Neurodegenerative Diseases, Emory University, Atlanta, GA, 30322, USA
- Emory Integrated Proteomics Core, Emory University, Atlanta, GA, 30322, USA
- Department of Biochemistry, Emory University, Atlanta, GA, 30322, USA
| | | | - Viktor János Oláh
- Department of Cell Biology, Emory University, Atlanta, GA, 30322, USA
| | - Matt Rowan
- Department of Cell Biology, Emory University, Atlanta, GA, 30322, USA
| | - Allan I Levey
- Department of Neurology, Emory University, Atlanta, GA, 30322, USA
- Center for Neurodegenerative Diseases, Emory University, Atlanta, GA, 30322, USA
| | - Levi B Wood
- Georgia W. Woodruff School of Mechanical Engineering, Parker H. Petit Institute for Bioengineering and Bioscience, and Wallace H. Coulter Department of Biomedical Engineering, Georgia Institute of Technology, Atlanta, GA, 30322, USA
| | - Nicholas T Seyfried
- Center for Neurodegenerative Diseases, Emory University, Atlanta, GA, 30322, USA.
- Emory Integrated Proteomics Core, Emory University, Atlanta, GA, 30322, USA.
- Department of Biochemistry, Emory University, Atlanta, GA, 30322, USA.
| | - Srikant Rangaraju
- Department of Neurology, Emory University, Atlanta, GA, 30322, USA.
- Center for Neurodegenerative Diseases, Emory University, Atlanta, GA, 30322, USA.
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Salazar-Anzures T, Pastén-Hidalgo K, Sicilia-Argumedo G, Riverón-Negrete L, Hernández-Vázquez ADJ, Fernanadez-Mejia C. Dietary biotin supplementation increases proliferation pathways in mice testes without affecting serum follicle-stimulating hormone levels and stem cell factor expression. Toxicol Appl Pharmacol 2021; 433:115774. [PMID: 34699867 DOI: 10.1016/j.taap.2021.115774] [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: 05/17/2021] [Revised: 10/17/2021] [Accepted: 10/19/2021] [Indexed: 11/18/2022]
Abstract
Supplements containing pharmacological concentrations of biotin are commercially available. The mechanisms by which biotin at pharmacological concentrations exerts its action have been the subject of multiple investigations, particularly for biotin's medicinal potential and wide use for cosmetic purposes. Several studies have reported that biotin supplementation increases cell proliferation; however, the mechanisms involved in this effect have not yet been characterized. In a previous study, we found that a biotin-supplemented diet increased spermatogonia proliferation. The present study was focused on investigating the molecular mechanisms involved in biotin-induced testis cell proliferation. Male BALB/cAnNHsd mice were fed a control or a biotin-supplemented diet (1.76 or 97.7 mg biotin/kg diet) for eight weeks. Compared with the control group, the biotin-supplemented mice presented augmented protein abundance of the c-kit-receptor and pERK1/2Tyr204 and pAKTSer473, the active forms of ERK/AKT proliferation signaling pathways. No changes were observed in the testis expression of the stem cell factor and in the serum levels of the follicle-stimulating hormone. Analysis of mRNA abundance found an increase in cyclins Ccnd3, Ccne1, Ccna2; Kinases Cdk4, Cdk2; and E2F; and Sp1 & Sp3 transcription factors. Decreased expression of cyclin-dependent kinase inhibitor 1a (p21) was observed but not of Cdkn2a inhibitor (p16). The results of the present study identifies, for the first time, the mechanisms associated with biotin supplementation-induced cell proliferation, which raises concerns about the effects of biotin on male reproductive health because of its capacity to cause hyperplasia, especially because this vitamin is available in large amounts without regulation.
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Affiliation(s)
- Tonatiuh Salazar-Anzures
- Unidad de Genética de la Nutrición, Instituto de Investigaciones Biomédicas, Universidad Nacional Autónoma de México/Instituto Nacional de Pediatría, Avenida del Iman#1, 4th floor, Mexico City 04500, Mexico
| | - Karina Pastén-Hidalgo
- Cátedra CONACYT, Instituto Nacional de Pediatría, Avenida del Iman#1, 4th floor, Mexico City 04500, Mexico
| | - Gloria Sicilia-Argumedo
- Unidad de Genética de la Nutrición, Instituto de Investigaciones Biomédicas, Universidad Nacional Autónoma de México/Instituto Nacional de Pediatría, Avenida del Iman#1, 4th floor, Mexico City 04500, Mexico
| | - Leticia Riverón-Negrete
- Unidad de Genética de la Nutrición, Instituto de Investigaciones Biomédicas, Universidad Nacional Autónoma de México/Instituto Nacional de Pediatría, Avenida del Iman#1, 4th floor, Mexico City 04500, Mexico
| | - Alain de Jesús Hernández-Vázquez
- Unidad de Genética de la Nutrición, Instituto de Investigaciones Biomédicas, Universidad Nacional Autónoma de México/Instituto Nacional de Pediatría, Avenida del Iman#1, 4th floor, Mexico City 04500, Mexico
| | - Cristina Fernanadez-Mejia
- Unidad de Genética de la Nutrición, Instituto de Investigaciones Biomédicas, Universidad Nacional Autónoma de México/Instituto Nacional de Pediatría, Avenida del Iman#1, 4th floor, Mexico City 04500, Mexico.
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Pastén-Hidalgo K, Riverón-Negrete L, Sicilia-Argumedo G, Canul-Medina G, Salazar-Anzures T, Tapia-Rodríguez M, Hernández-González EO, Roa-Espitia AL, Cedillo-Peláez C, Fernandez-Mejia C. Dietary Biotin Supplementation Impairs Testis Morphology and Sperm Quality. J Med Food 2019; 23:535-544. [PMID: 31660770 DOI: 10.1089/jmf.2019.0137] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
Supplements containing pharmacological concentrations of biotin are commercially available over the counter. Classical toxicity studies have considered biotin administration as harmless; however, recent investigations have shown that biotin supplementation modifies tissue morphology without changes in toxicity markers, raising concerns about the consequences of morphological changes on tissues' functions and the safety of pharmacological concentrations of the vitamin. Testes are very sensitive to toxicants, and testicular histology is a reliable method to study its function. In this work, we investigated the effects of dietary biotin supplementation on testis morphology and spermatogenesis function using an experimental model, in which we have not observed unfavorable effects on other tissue functions or toxicity markers. Male BALB/cAnNHsd mice were fed a control or a biotin-supplemented diet (1.76 or 97.7 mg biotin/kg diet) for 8 weeks. Compared to the control group, the biotin-supplemented mice presented remarkable testis morphology changes, including increased spermatogonia layers; the cellular mechanism involved is related to increased proliferation. Sperm count and serum testosterone levels were not affected, but spermatozoa motility and morphology were significantly impaired in the biotin-supplemented mice. These results caution against the use of supplements with high concentrations of biotin and indicate that biotin's pharmacological effects on morphology need to be considered in toxicological studies.
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Affiliation(s)
| | - Leticia Riverón-Negrete
- Unidad de Genética de la Nutrición, Instituto de Investigaciones Biomédicas, Universidad Nacional Autónoma de México/Instituto Nacional de Pediatría, Mexico City, Mexico
| | - Gloria Sicilia-Argumedo
- Unidad de Genética de la Nutrición, Instituto de Investigaciones Biomédicas, Universidad Nacional Autónoma de México/Instituto Nacional de Pediatría, Mexico City, Mexico
| | - Gustavo Canul-Medina
- Unidad de Genética de la Nutrición, Instituto de Investigaciones Biomédicas, Universidad Nacional Autónoma de México/Instituto Nacional de Pediatría, Mexico City, Mexico
| | - Tonatiuh Salazar-Anzures
- Unidad de Genética de la Nutrición, Instituto de Investigaciones Biomédicas, Universidad Nacional Autónoma de México/Instituto Nacional de Pediatría, Mexico City, Mexico
| | - Miguel Tapia-Rodríguez
- Unidad de Microscopía, Instituto de Investigaciones Biomédicas, Universidad Nacional Autónoma de México, Ciudad Universitaria, Mexico City, Mexico
| | | | - Ana Lilia Roa-Espitia
- Departamento de Biología Celular, CINVESTAV-IPN, San Pedro Zacatenco, Mexico City, Mexico
| | - Carlos Cedillo-Peláez
- Departamento de Inmunología Experimental, Instituto Nacional de Pediatría, Mexico City, Mexico
| | - Cristina Fernandez-Mejia
- Unidad de Genética de la Nutrición, Instituto de Investigaciones Biomédicas, Universidad Nacional Autónoma de México/Instituto Nacional de Pediatría, Mexico City, Mexico
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Moreno-Méndez E, Hernández-Vázquez A, Fernández-Mejía C. Effect of biotin supplementation on fatty acid metabolic pathways in 3T3-L1 adipocytes. Biofactors 2019; 45:259-270. [PMID: 30575140 DOI: 10.1002/biof.1480] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/25/2018] [Revised: 10/19/2018] [Accepted: 11/13/2018] [Indexed: 12/30/2022]
Abstract
Several studies have shown that pharmacological concentrations of biotin decrease serum lipid concentrations and the expression of lipogenic genes. Previous studies on epididymal adipose tissue in mice revealed that 8 weeks of dietary biotin supplementation increased the protein abundance of the active form of AMPK and the inactive forms acetyl CoA carboxylase (ACC)-1 and - 2, and decreased serum free fatty acid concentrations but did not affect lipolysis. These data suggest that pharmacological concentrations of the vitamin might affect fatty acid metabolism. In this work, we investigated the effects of pharmacological biotin concentrations on fatty acid synthesis, oxidation, and uptake in 3T3-L1 adipocytes. Similar to observations in mice, biotin-supplemented 3T3-L1 adipose cells increased the protein abundance of active T172 -AMPK and inactive ACC-1 and -2 forms. No changes were observed in the expression of the transcriptional factor PPARα and carnitine-palmitoyltransferase-1 (CPT-1). Radiolabeled assays indicated a decrease in fatty acid synthesis; an increase in fatty acid oxidation and fatty acid incorporation rate into the lipid fraction between control cells and biotin-supplemented cells. The data revealed an increase in the mRNA abundance of the fatty acid transport proteins Fatp1 and Acsl1 but not Cd36 or Fatp4 mRNA. Furthermore, the abundance of glycerol phosphate acyl transferase-3 protein was increased. Triglyceride content was not affected. Lipid droplet numbers showed an increase and their areas were smaller in the biotin-supplemented group. In conclusion, these data indicate that biotin supplementation causes a decrease in fatty acid synthesis and an increase in its oxidation and uptake. © 2018 BioFactors, 45(2):259-270, 2019.
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Affiliation(s)
- Ericka Moreno-Méndez
- Universidad Nacional Autónoma de México, Instituto de Investigaciones Biomédicas, Instituto Nacional de Pediatria, Unidad de Genética de la Nutrición, Ciudad de México, Mexico
| | - Alain Hernández-Vázquez
- Universidad Nacional Autónoma de México, Instituto de Investigaciones Biomédicas, Instituto Nacional de Pediatria, Unidad de Genética de la Nutrición, Ciudad de México, Mexico
| | - Cristina Fernández-Mejía
- Universidad Nacional Autónoma de México, Instituto de Investigaciones Biomédicas, Instituto Nacional de Pediatria, Unidad de Genética de la Nutrición, Ciudad de México, Mexico
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Kim M, Basharat A, Santosh R, Mehdi SF, Razvi Z, Yoo SK, Lowell B, Kumar A, Brima W, Danoff A, Dankner R, Bergman M, Pavlov VA, Yang H, Roth J. Reuniting overnutrition and undernutrition, macronutrients, and micronutrients. Diabetes Metab Res Rev 2019; 35:e3072. [PMID: 30171821 DOI: 10.1002/dmrr.3072] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/18/2018] [Revised: 08/20/2018] [Accepted: 08/26/2018] [Indexed: 12/15/2022]
Abstract
Over-nutrition and its late consequences are a dominant theme in medicine today. In addition to the health hazards brought on by over-nutrition, the medical community has recently accumulated a roster of health benefits with obesity, grouped under "obesity paradox." Throughout the world and throughout history until the 20th century, under-nutrition was a dominant evolutionary force. Under-nutrition brings with it a mix of benefits and detriments that are opposite to and continuous with those of over-nutrition. This continuum yields J-shaped or U-shaped curves relating body mass index to mortality. The overweight have an elevated risk of dying in middle age of degenerative diseases while the underweight are at increased risk of premature death from infectious conditions. Micronutrient deficiencies, major concerns of nutritional science in the 20th century, are being neglected. This "hidden hunger" is now surprisingly prevalent in all weight groups, even among the overweight. Because micronutrient replacement is safe, inexpensive, and predictably effective, it is now an exceptionally attractive target for therapy across the spectrum of weight and age. Nutrition-related conditions worthy of special attention from caregivers include excess vitamin A, excess vitamin D, and deficiency of magnesium.
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Affiliation(s)
- Miji Kim
- Laboratory of Diabetes and Diabetes-Related Disorders, The Feinstein Institute for Medical Research, Northwell Health, New York, USA
| | - Anam Basharat
- Laboratory of Diabetes and Diabetes-Related Disorders, The Feinstein Institute for Medical Research, Northwell Health, New York, USA
| | - Ramchandani Santosh
- Laboratory of Diabetes and Diabetes-Related Disorders, The Feinstein Institute for Medical Research, Northwell Health, New York, USA
| | - Syed F Mehdi
- Laboratory of Diabetes and Diabetes-Related Disorders, The Feinstein Institute for Medical Research, Northwell Health, New York, USA
| | - Zanali Razvi
- Laboratory of Diabetes and Diabetes-Related Disorders, The Feinstein Institute for Medical Research, Northwell Health, New York, USA
| | - Sun K Yoo
- Laboratory of Diabetes and Diabetes-Related Disorders, The Feinstein Institute for Medical Research, Northwell Health, New York, USA
| | - Barbara Lowell
- Laboratory of Diabetes and Diabetes-Related Disorders, The Feinstein Institute for Medical Research, Northwell Health, New York, USA
| | - Amrat Kumar
- Laboratory of Diabetes and Diabetes-Related Disorders, The Feinstein Institute for Medical Research, Northwell Health, New York, USA
| | - Wunnie Brima
- Laboratory of Diabetes and Diabetes-Related Disorders, The Feinstein Institute for Medical Research, Northwell Health, New York, USA
- Department of Medicine, Albert Einstein College of Medicine, New York, USA
| | - Ann Danoff
- Department of Medicine, Cpl. Michael J Crescenz Veterans Administration Medical Center, Philadelphia, PA, USA
| | - Rachel Dankner
- Department of Epidemiology and Preventive Medicine, School of Public Health, The Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Michael Bergman
- Department of Medicine, Division of Endocrinology, NYU School of Medicine, New York, NY, USA
| | - Valentin A Pavlov
- Laboratory of Diabetes and Diabetes-Related Disorders, The Feinstein Institute for Medical Research, Northwell Health, New York, USA
- Center for Biomedical Science and Center for Bioelectric Medicine, The Feinstein Institute for Medical Research, Northwell Health, New York, USA
| | - Huan Yang
- Laboratory of Diabetes and Diabetes-Related Disorders, The Feinstein Institute for Medical Research, Northwell Health, New York, USA
- Center for Biomedical Science and Center for Bioelectric Medicine, The Feinstein Institute for Medical Research, Northwell Health, New York, USA
| | - Jesse Roth
- Laboratory of Diabetes and Diabetes-Related Disorders, The Feinstein Institute for Medical Research, Northwell Health, New York, USA
- Department of Medicine, Albert Einstein College of Medicine, New York, USA
- Center for Biomedical Science and Center for Bioelectric Medicine, The Feinstein Institute for Medical Research, Northwell Health, New York, USA
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Aguilera-Mendez A, Hernández-Equihua MG, Rueda-Rocha AC, Guajardo-López C, Nieto-Aguilar R, Serrato-Ochoa D, Ruíz Herrera LF, Guzmán-Nateras JA. Protective effect of supplementation with biotin against high-fructose-induced metabolic syndrome in rats. Nutr Res 2018; 57:86-96. [DOI: 10.1016/j.nutres.2018.06.007] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2017] [Revised: 05/22/2018] [Accepted: 06/27/2018] [Indexed: 11/15/2022]
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Tixi-Verdugo W, Contreras-Ramos J, Sicilia-Argumedo G, German MS, Fernandez-Mejia C. Effects of Biotin Supplementation During the First Week Postweaning Increases Pancreatic Islet Area, Beta-Cell Proportion, Islets Number, and Beta-Cell Proliferation. J Med Food 2018; 21:274-281. [PMID: 29068758 PMCID: PMC5865616 DOI: 10.1089/jmf.2017.0077] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2017] [Accepted: 08/14/2017] [Indexed: 02/07/2023] Open
Abstract
During maturation, pancreatic islets achieve their full capacity to secrete insulin in response to glucose, undergo morphological changes in which alpha-cells decrease and beta-cell mass increases, and they acquire the normal alpha- and beta-cell proportion changes that are important for islet functions later in life. In rodents, the first week of postweaning is critical for islet maturation. Multiple studies have documented the detrimental effects of several conditions on pancreatic maturation; however, few studies have addressed the use of pharmacological agents to enhance islet maturation. Biotin might have a potential action on islet maturation. Pharmacological concentrations of biotin have been found to modify islet morphology and function. In a previous study, we found that mice fed a biotin-supplemented diet for 8 weeks after weaning showed an increase in basal and glucose stimulated insulin secretion, enlarged islet size, and modified islet structure. In the present study, we investigated the effect of biotin on maturation features during the first week postweaning. Female BALB/cAnN Hsd mice were fed a control or a biotin-supplemented diet for 1 week after weaning. Compared with the control, biotin-supplemented mice showed an increase in pancreatic islet number and area in addition to an augmented proportion of beta-cells in the islet. These effects were related to an increase in beta-cell proliferation. No differences were found in insulin secretion, blood glucose concentrations, or serum insulin levels. These results indicate that biotin supplementation is capable of affecting beta-cell proliferation and might be a therapeutic agent for establishing strategies for regenerative medicine.
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Affiliation(s)
- Wilma Tixi-Verdugo
- Nutritional Genetics Unit, Biomedical Research Institute, National Autonomous University of Mexico/Pediatrics National Institute, Mexico City, Mexico
| | - Juan Contreras-Ramos
- Nutritional Genetics Unit, Biomedical Research Institute, National Autonomous University of Mexico/Pediatrics National Institute, Mexico City, Mexico
| | - Gloria Sicilia-Argumedo
- Nutritional Genetics Unit, Biomedical Research Institute, National Autonomous University of Mexico/Pediatrics National Institute, Mexico City, Mexico
| | - Michael S. German
- Diabetes Center/Center of Regeneration Medicine and Stem Cell Research, University of California San Francisco, San Francisco, California, USA
| | - Cristina Fernandez-Mejia
- Nutritional Genetics Unit, Biomedical Research Institute, National Autonomous University of Mexico/Pediatrics National Institute, Mexico City, Mexico
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