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https://www.readbyqxmd.com/read/28095750/effects-of-pre-germinated-brown-rice-treatment-high-fat-diet-induced-metabolic-syndrome-in-c57bl-6j-mice
#1
Hsueh-Wei Yen, Hui-Li Lin, Chi-Long Hao, Fu-Chih Chen, Chun-Yun Chen, Jia-Hao Chen, Kuo-Ping Shen
To investigate using pre-germinated brown rice (PGBR) to treat metabolic syndrome, we fed one group of mice standard-regular-diet (SRD) for 20 weeks and another group of mice high-fat-diet (HFD) for 16 weeks. We subdivided them into HFD group and HFD + PGBR group whose dietary carbohydrate was replaced with PGBR for 4 weeks. The HFD group gained more weight, had higher blood pressure, heart rate, blood glucose and lipids, liver levels of TG, feces TG and bile acid, lower adipose levels of adipocytokine, lower skeletal muscle IR, IRS-1, IRS-2, PI3 K, Akt/PKB, GLUT-1, GLUT-4, GCK and PPAR-γ; higher liver SREBP-1, SCD-1, FAS, HMGCR, LDLR, CYP7α1 and PPAR-α, and higher adipose SREBP-1, SCD-1, FAS, and lower adipose PPAR-α and adiponectin...
January 18, 2017: Bioscience, Biotechnology, and Biochemistry
https://www.readbyqxmd.com/read/28095440/comprehensive-maturity-onset-diabetes-of-the-young-mody-gene-screening-in-pregnant-women-with-diabetes-in-india
#2
Mahesh Doddabelavangala Mruthyunjaya, Aaron Chapla, Asha Hesarghatta Shyamasunder, Deny Varghese, Manika Varshney, Johan Paul, Mercy Inbakumari, Flory Christina, Ron Thomas Varghese, Kurien Anil Kuruvilla, Thomas V Paul, Ruby Jose, Annie Regi, Jessie Lionel, L Jeyaseelan, Jiji Mathew, Nihal Thomas
Pregnant women with diabetes may have underlying beta cell dysfunction due to mutations/rare variants in genes associated with Maturity Onset Diabetes of the Young (MODY). MODY gene screening would reveal those women genetically predisposed and previously unrecognized with a monogenic form of diabetes for further clinical management, family screening and genetic counselling. However, there are minimal data available on MODY gene variants in pregnant women with diabetes from India. In this study, utilizing the Next generation sequencing (NGS) based protocol fifty subjects were screened for variants in a panel of thirteen MODY genes...
2017: PloS One
https://www.readbyqxmd.com/read/28072873/association-study-with-77-snps-confirms-the-robust-role-for-the-rs10830963-g-of-mtnr1b-variant-and-identifies-two-novel-associations-in-gestational-diabetes-mellitus-development
#3
Klara Rosta, Zahra Al-Aissa, Orsolya Hadarits, Jürgen Harreiter, Ákos Nádasdi, Fanni Kelemen, Dagmar Bancher-Todesca, Zsolt Komlósi, László Németh, János Rigó, István Sziller, Anikó Somogyi, Alexandra Kautzky-Willer, Gábor Firneisz
CONTEXT: Genetic variation in human maternal DNA contributes to the susceptibility for development of gestational diabetes mellitus (GDM). OBJECTIVE: We assessed 77 maternal single nucleotide gene polymorphisms (SNPs) for associations with GDM or plasma glucose levels at OGTT in pregnancy. METHODS: 960 pregnant women (after dropouts 820: case/control: m99'WHO: 303/517, IADPSG: 287/533) were enrolled in two countries into this case-control study...
2017: PloS One
https://www.readbyqxmd.com/read/28052112/lower-frequency-of-hla-drb1-type-1-diabetes-risk-alleles-in-pediatric-patients-with-mody
#4
Inés Urrutia, Rosa Martínez, Tamara López-Euba, Teresa Velayos, Idoia Martínez de LaPiscina, José Ramón Bilbao, Itxaso Rica, Luis Castaño
OBJECTIVE: The aim of this study was to determine the frequency of susceptible HLA-DRB1 alleles for type 1 diabetes in a cohort of pediatric patients with a confirmed genetic diagnosis of MODY. MATERIALS AND METHODS: 160 families with a proband diagnosed with type 1 diabetes and 74 families with a molecular diagnosis of MODY (61 GCK-MODY and 13 HNF1A-MODY) were categorized at high definition for HLA-DRB1 locus. According to the presence or absence of the susceptible HLA-DRB1 alleles for type 1 diabetes, we considered three different HLA-DRB1 genotypes: 0 risk alleles (no DR3 no DR4); 1 risk allele (DR3 or DR4); 2 risk alleles (DR3 and/or DR4)...
2017: PloS One
https://www.readbyqxmd.com/read/28017717/preserving-expression-of-pdx1-improves-%C3%AE-cell-failure-in-diabetic-mice
#5
Yuichi Yamamoto, Takeshi Miyatsuka, Shugo Sasaki, Kazuyuki Miyashita, Fumiyo Kubo, Naoki Shimo, Satomi Takebe, Hirotaka Watada, Hideaki Kaneto, Taka-Aki Matsuoka, Iichiro Shimomura
Pdx1, a β-cell-specific transcription factor, has been shown to play a crucial role in maintaining β-cell function through transactivation of β-cell-related genes. In addition, it has been reported that the expression levels of Pdx1 are compromised under diabetic conditions in human and rodent models. We therefore aimed to clarify the possible beneficial role of Pdx1 against β-cell failure and generated the transgenic mouse that expressed Pdx1 conditionally and specifically in β cells (βPdx1) and crossed these mice with Ins2(Akita) diabetic mice...
December 23, 2016: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28012402/maturity-onset-diabetes-of-the-young-mody-in-brazil-establishment-of-a-national-registry-and-appraisal-of-available-genetic-and-clinical-data
#6
Fernando M A Giuffrida, Regina S Moises, Leticia S Weinert, Luis E Calliari, Thais Della Manna, Renata P Dotto, Luciana F Franco, Lilian A Caetano, Milena G Teles, Renata Andrade Lima, Crésio Alves, Sergio A Dib, Sandra P Silveiro, Magnus R Dias-da-Silva, Andre F Reis
AIMS: Maturity-Onset Diabetes of the Young (MODY) comprises a heterogeneous group of monogenic forms of diabetes caused by mutations in at least 14 genes, but mostly by mutations in Glucokinase (GCK) and hepatocyte nuclear factor-1 homeobox A (HNF1A). This study aims to establish a national registry of MODY cases in Brazilian patients, assessing published and unpublished data. METHODS: 311 patients with clinical characteristics of MODY were analyzed, with unpublished data on 298 individuals described in 12 previous publications and 13 newly described cases in this report...
October 22, 2016: Diabetes Research and Clinical Practice
https://www.readbyqxmd.com/read/27935851/an-analysis-of-the-sequence-of-the-bad-gene-among-patients-with-maturity-onset-diabetes-of-the-young-mody
#7
Karolina Antosik, Piotr Gnyś, Przemysława Jarosz-Chobot, Małgorzata Myśliwiec, Agnieszka Szadkowska, Maciej Małecki, Wojciech Młynarski, Maciej Borowiec
BACKGROUND: Monogenic diabetes is a rare disease caused by single gene mutations. Maturity onset diabetes of the young (MODY) is one of the major forms of monogenic diabetes recognised in the paediatric population. To date, 13 genes have been related to MODY development. The aim of the study was to analyse the sequence of the BCL2-associated agonist of cell death (BAD) gene in patients with clinical suspicion of GCK-MODY, but who were negative for glucokinase (GCK) gene mutations. METHODS: A group of 122 diabetic patients were recruited from the "Polish Registry for Paediatric and Adolescent Diabetes - nationwide genetic screening for monogenic diabetes" project...
January 1, 2017: Journal of Pediatric Endocrinology & Metabolism: JPEM
https://www.readbyqxmd.com/read/27921429/-congenital-hyperinsulinism-loss-of-b-cell-self-control
#8
Jan Lebl, Klára Roženková, Štěpánka Průhová
Congenital hyperinsulinism is a serious blood glucose regulation defect that interferes with brain development, leading to mental retardation, neurological sequelae and secondary epilepsy and ultimately may be life-threatening. Congenital hyperinsulinism (CHI) is caused by genetic defects of regulation of insulin secretion that induce insulin oversecretion in intrauterine life and postnatally. The clinical consequence is fetal macrosomia and subsequently neonatal and infantile hypoglycaemia. The most severe form is caused by biallelic mutations of KCNJ11 and ABCC8 genes that encode both potassium channel subunits, whereas their heterozygous mutations as well as enzymatic defects (GLUD1, HADH, GCK) lead to milder presentation...
2016: Vnitr̆ní Lékar̆ství
https://www.readbyqxmd.com/read/27913849/targeted-next-generation-sequencing-reveals-mody-in-up-to-6-5-of-antibody-negative-diabetes-cases-listed-in-the-norwegian-childhood-diabetes-registry
#9
Bente B Johansson, Henrik U Irgens, Janne Molnes, Paweł Sztromwasser, Ingvild Aukrust, Petur B Juliusson, Oddmund Søvik, Shawn Levy, Torild Skrivarhaug, Geir Joner, Anders Molven, Stefan Johansson, Pål R Njølstad
AIMS/HYPOTHESIS: MODY can be wrongly diagnosed as type 1 diabetes in children. We aimed to find the prevalence of MODY in a nationwide population-based registry of childhood diabetes. METHODS: Using next-generation sequencing, we screened the HNF1A, HNF4A, HNF1B, GCK and INS genes in all 469 children (12.1%) negative for both GAD and IA-2 autoantibodies and 469 antibody-positive matched controls selected from the Norwegian Childhood Diabetes Registry (3882 children)...
December 2, 2016: Diabetologia
https://www.readbyqxmd.com/read/27894621/glomerulocystic-kidney-presenting-as-a-unilateral-kidney-mass-in-a-newborn-with-tuberous-sclerosis-report-of-a-case-and-review-of-the-literature
#10
Miguel Rito, Rafael Adame Cabrera
Glomerular cysts are defined as a 2-3 times dilation of Bowman spaces and their presence in at least 5% of the glomeruli defines the kidneys as glomerulocystic (GCK). The association between cystic kidney disease and the tuberous sclerosis complex (TSC) is well known, but its presentation as a unilateral mass with glomerulocystic pattern is rare. We describe a case of an infant with a prenatal diagnosis of TSC, with a renal mass that was believed to be a renal tumor. A four-month-old infant with maternal history of TSC and prenatally diagnosed subependymal nodules and a right renal mass underwent nephrectomy...
November 18, 2016: Pathology, Research and Practice
https://www.readbyqxmd.com/read/27852188/a-review-of-maturity-onset-diabetes-of-the-young-mody-and-challenges-in-the-management-of-glucokinase-mody
#11
Ramy H Bishay, Jerry R Greenfield
Maturity onset diabetes of the young (MODY), the most common monogenic form of diabetes, accounts for 1-2% of all diabetes diagnoses. Glucokinase (GCK)-MODY (also referred to as MODY2) constitutes 10-60% of all MODY cases and is inherited as an autosomal dominant heterozygous mutation, resulting in loss of function of the GCK gene. Patients with GCK-MODY generally have mild, fasting hyperglycaemia that is present from birth, are commonly leaner and diagnosed at a younger age than patients with type 2 diabetes, and rarely develop complications from diabetes...
November 21, 2016: Medical Journal of Australia
https://www.readbyqxmd.com/read/27836638/maternal-bisphenol-a-exposure-alters-rat-offspring-hepatic-and-skeletal-muscle-insulin-signaling-protein-abundance
#12
Kristina D Galyon, Farnoosh Farshidi, Guang Han, Michael G Ross, Mina Desai, Juanita K Jellyman
BACKGROUND: The obesogenic and diabetogenic effects of the environmental toxin bisphenol A during critical windows of development are well recognized. Liver and skeletal muscle play a central role in the control of glucose production, utilization, and storage. OBJECTIVES: We hypothesized that maternal bisphenol A exposure disrupts insulin signaling in rat offspring liver and skeletal muscle. We determined the protein expression of hepatic and skeletal muscle insulin signaling molecules including insulin receptor beta, its downstream target insulin receptor substrate 1 and glucose transporters (glucose transporter 2, glucose transporter 4), and hepatic glucose-regulating enzymes phosphoenolpyruvate carboxykinase and glucokinase...
November 9, 2016: American Journal of Obstetrics and Gynecology
https://www.readbyqxmd.com/read/27809389/epidemiology-clinical-characteristics-and-genetic-etiology-of-neonatal-diabetes-in-japan
#13
Kazuaki Nagashima, Daisuke Tanaka, Nobuya Inagaki
Neonatal diabetes mellitus (NDM) is a rare but potentially devastating metabolic disorder, with reported incidence of one per 300,000-500,000 births generally, and hyperglycemia develops within the first 6 months of life (1-4). NDM is classified into two categories clinically. One is transient NDM (TNDM), in which insulin secretion is spontaneously recovered by several months of age, but sometimes recurs later, and the other is permanent NDM (PNDM), requiring lifelong medication. Recent molecular analysis of NDM identified at least 12 genetic abnormalities: chromosome 6q24, KCNJ11, ABCC8, INS, FOXP3, GCK, IPF1, PTF1A, EIF2AK3, GLUT2, HNF1β, and GLIS3 (5-22)...
November 3, 2016: Pediatrics International: Official Journal of the Japan Pediatric Society
https://www.readbyqxmd.com/read/27802864/glucokinase-mutation-a-rare-cause-of-recurrent-hypoglycemia-in-adults-a-case-report-and-literature-review
#14
Oluremi N Ajala, David M Huffman, Ibrahim I Ghobrial
BACKGROUND: Hypoglycemia occurs frequently in patients both in the inpatient and outpatient settings. While most hypoglycemia unrelated to diabetes treatment results from excessive endogenous insulin action, rare cases involve functional and congenital mutations in glycolytic enzymes of insulin regulation. CASE: A 21-year-old obese woman presented to the emergency department with complaints of repeated episodes of lethargy, syncope, dizziness, and sweating. She was referred from an outside facility on suspicion of insulinoma, with severe hypoglycemia unresponsive to repeated dextrose infusions...
2016: Journal of Community Hospital Internal Medicine Perspectives
https://www.readbyqxmd.com/read/27786288/an-inhibitor-of-fibroblast-growth-factor-receptor-1-fgfr1-promotes-late-stage-terminal-differentiation-from-ngn3-pancreatic-endocrine-progenitors
#15
Yzumi Yamashita-Sugahara, Masahito Matsumoto, Manami Ohtaka, Ken Nishimura, Mahito Nakanishi, Kohnosuke Mitani, Yasushi Okazaki
Human induced pluripotent stem cells (hiPSCs) provide a potential resource for regenerative medicine. To identify the signalling pathway(s) contributing to the development of functional β cells, we established a tracing model consisting of dual knock-in hiPSCs (INS-Venus/NGN3-mCherry) (hIveNry) expressing the fluorescent proteins Venus and mCherry under the control of intrinsic insulin (INS) and neurogenin 3 (NGN3) promoters, respectively. hIveNry iPSCs differentiated into NGN3- and mCherry-positive endocrine progenitors and then into Venus-positive β cells expressing INS, PDX1, NKX6...
October 27, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27727493/germinal-center-kinase-like-kinase-co-crystal-structure-reveals-a-swapped-activation-loop-and-c-terminal-extension
#16
Douglas Marcotte, Mia Rushe, Robert M Arduini, Christine Lukacs, Kateri Atkins, Xin Sun, Kevin Little, Michael Cullivan, Murugan Paramasivam, Thomas A Patterson, Thomas Hesson, Timothy D McKee, Tricia L May-Dracka, Zhili Xin, Andrea Bertolotti-Ciarlet, Govinda R Bhisetti, Joseph P Lyssikatos, Laura F Silvian
Germinal-center kinase-like kinase (GLK, Map4k3), a GCK-I family kinase, plays multiple roles in regulating apoptosis, amino acid sensing, and immune signaling. We describe here the crystal structure of an activation loop mutant of GLK kinase domain bound to an inhibitor. The structure reveals a weakly associated, activation-loop swapped dimer with more than 20 amino acids of ordered density at the carboxy-terminus. This C-terminal PEST region binds intermolecularly to the hydrophobic groove of the N-terminal domain of a neighboring molecule...
October 11, 2016: Protein Science: a Publication of the Protein Society
https://www.readbyqxmd.com/read/27659712/clinical-and-molecular-characterization-of-a-novel-ins-mutation-identified-in-patients-with-mody-phenotype
#17
Barbara Piccini, Rosangela Artuso, Lorenzo Lenzi, Monica Guasti, Giulia Braccesi, Federica Barni, Emilio Casalini, Sabrina Giglio, Sonia Toni
Correct diagnosis of Maturity-Onset Diabetes of the Young (MODY) is based on genetic tests requiring an appropriate subject selection by clinicians. Mutations in the insulin (INS) gene rarely occur in patients with MODY. This study is aimed at determining the genetic background and clinical phenotype in patients with suspected MODY. 34 patients with suspected MODY, negative for mutations in the GCK, HNF1α, HNF4α, HNF1β and PDX1 genes, were screened by next generation sequencing (NGS). A heterozygous INS mutation was identified in 4 members of the same family...
November 2016: European Journal of Medical Genetics
https://www.readbyqxmd.com/read/27634015/genetic-confirmation-rate-in-clinically-suspected-maturity-onset-diabetes-of-the-young
#18
Amanda J Brahm, Grace Wang, Jian Wang, Adam D McIntyre, Henian Cao, Matthew R Ban, Robert A Hegele
OBJECTIVES: Maturity-onset diabetes of the young (MODY) is the most common form of monogenic diabetes, reportedly accounting for 2% to 5% of all cases of diabetes. In samples from Canadian patients referred for molecular genetic confirmation of a clinically suspected MODY, we determined the prevalence of likely disease-causing DNA variants in known MODY genes. METHODS: Between 1999 and 2015, our centre received requests from colleagues for DNA sequencing of 96 samples from unrelated Canadian patients with clinically suspected MODY...
December 2016: Canadian Journal of Diabetes
https://www.readbyqxmd.com/read/27633760/the-adipogenic-potential-of-cr-iii-a-molecular-approach-exemplifying-metal-induced-enhancement-of-insulin-mimesis-in-diabetes-mellitus-ii
#19
O Tsave, M P Yavropoulou, M Kafantari, C Gabriel, J G Yovos, A Salifoglou
Insulin resistance is identified through numerous pathophysiological conditions, such as Diabetes mellitus II, obesity, hypertension and other metabolic syndromes. Enhancement of insulin action and\or its complete replacement by insulin-enhancing or insulin-mimetic agents seems to improve treatment of metabolic diseases. Over the last decades, intensive research has targeted the investigation of such agents, with chromium emerging as an important inorganic cofactor involved in the requisite metabolic chemistry...
July 27, 2016: Journal of Inorganic Biochemistry
https://www.readbyqxmd.com/read/27618557/mst1-mst2-protein-kinases-regulation-and-physiologic-roles
#20
Jacob A Galan, Joseph Avruch
The MST1 and MST2 protein kinases comprise the GCK-II subfamily of protein kinases. In addition to their amino-terminal kinase catalytic domain, related to that of the Saccharomyces cerevisiae protein kinase Ste20, their most characteristic feature is the presence near the carboxy terminus of a unique helical structure called a SARAH domain; this segment allows MST1/MST2 to homodimerize and to heterodimerize with the other polypeptides that contain SARAH domains, the noncatalytic polypeptides RASSF1-6 and Sav1/WW45...
October 4, 2016: Biochemistry
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