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Zinc deficience

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https://www.readbyqxmd.com/read/29341437/phenotypic-heterogeneity-of-zmpste24-deficiency
#1
Thomas A Cassini, Amy K Robertson, Anna G Bican, Joy D Cogan, Vickie L Hannig, John H Newman, Rizwan Hamid, John A Phillips
A 4-year-old girl was referred to the Undiagnosed Diseases Network with a history of short stature, thin and translucent skin, macrocephaly, small hands, and camptodactyly. She had been diagnosed with possible Hallerman-Streiff syndrome. Her evaluation showed that she was mosaic for uniparental isodisomy of chromosome 1, which harbored a pathogenic c.1077dupT variant in ZMPSTE24 which predicts p.(Leu362fsX18). ZMPSTE24 is a zinc metalloproteinase that is involved in processing farnesylated proteins and pathogenic ZMPSTE24 variants cause accumulation of abnormal farnesylated forms of prelamin A...
January 17, 2018: American Journal of Medical Genetics. Part A
https://www.readbyqxmd.com/read/29340613/biomass-increase-under-zinc-deficiency-caused-by-delay-of-early-flowering-in-arabidopsis
#2
Xiaochao Chen, Uwe Ludewig
Plants generally produce more biomass when all nutrients are available in sufficient amounts. In addition to environmental constraints, genetic and developmental factors, such as the transition from vegetative to reproductive growth, restrict maximal yield. Here we report the peculiar observation that a subset of Arabidopsis thaliana accessions produced larger shoot rosette diameters when grown in zinc (Zn)-deficient conditions, compared with Zn-sufficient conditions. This was associated with early flowering that restricted the leaf length under Zn sufficiency...
January 11, 2018: Journal of Experimental Botany
https://www.readbyqxmd.com/read/29339045/deficiency-of-dietary-pyridoxine-disturbed-the-intestinal-physical-barrier-function-of-young-grass-carp-ctenopharyngodon-idella
#3
Pei Wu, Xin Zheng, Xiao-Qiu Zhou, Wei-Dan Jiang, Yang Liu, Jun Jiang, Sheng-Yao Kuang, Ling Tang, Yong-An Zhang, Lin Feng
The aim of this study was to assess the effects of dietary pyridoxine (PN) deficiency on intestinal antioxidant capacity, cell apoptosis and intercellular tight junction in young grass carp (Ctenopharyngodon idella). A total of 540 young grass carp (231.85 ± 0.63 g) were fed six diets containing graded levels of PN (0.12-7.48 mg/kg diet) for 10 weeks. At the end of the feeding trial, the fish were challenged with Aeromonas hydrophila for 2 weeks. The results showed that compared with the optimal PN level, PN deficiency (1) increased the contents of reactive oxygen species (ROS), malondialdehyde (MDA) and protein carbonyl (PC), decreased the activities and mRNA levels of antioxidant enzymes such as copper, zinc superoxide dismutase (CuZnSOD), catalase (CAT), glutathione peroxidase (GPx), glutathione-S-transferase (GST) and glutathione reductase (GR) (P < ...
January 12, 2018: Fish & Shellfish Immunology
https://www.readbyqxmd.com/read/29331868/zinc-supplementation-alleviates-the-progression-of-diabetic-nephropathy-by-inhibiting-the-overexpression-of-oxidative-stress-mediated-molecular-markers-in-streptozotocin-induced-experimental-rats
#4
Susmita Barman, Seetur R Pradeep, Krishnapura Srinivasan
Zinc deficiency during diabetes projects a role for zinc nutrition in the management of diabetic nephropathy. The current study explored whether zinc supplementation protects against diabetic nephropathy through modulation of kidney oxidative stress and stress-induced expression related to the inflammatory process in streptozotocin-induced diabetic rats. Groups of hyperglycemic rats were exposed to dietary interventions for 6 weeks with zinc supplementation (5 times and 10 times the normal level). Supplemental-zinc-fed diabetic groups showed a significant reversal of increased kidney weight and creatinine clearance...
December 11, 2017: Journal of Nutritional Biochemistry
https://www.readbyqxmd.com/read/29328033/-elemental-status-of-patients-with-various-forms-of-vitiligo
#5
N I Tsiskarishvili, A Katsitadze, N V Tsiskarishvili, I Charischarishvili
Vitiligo is a multifactorial disease in which, in each specific case of its manifestation, different mechanisms of its pathogenesis and different levels of melanin formation in the skin can be involved. Skin is one of the most metabolically active organs. Carrying out a number of vital functions (barrier, protective, respiratory, excretory, metabolic, immune, etc.), it needs microelementss. Of the 92 naturally occurring chemical elements, 81 are found in the human body. Lack of the vital elements, leads to the emergence of diseases, which are based on deficiency, excess or imbalance of micro- and macroelements in the body...
December 2017: Georgian Medical News
https://www.readbyqxmd.com/read/29325805/reduced-plaque-size-and-inflammation-in-the-app23-mouse-model-for-alzheimer-s-disease-after-chronic-application-of-polymeric-nanoparticles-for-cns-targeted-zinc-delivery
#6
Antonietta Vilella, Daniela Belletti, Ann Katrin Sauer, Simone Hagmeyer, Tasnuva Sarowar, Martina Masoni, Natalia Stasiak, John J E Mulvihill, Barbara Ruozi, Flavio Forni, Maria Angela Vandelli, Giovanni Tosi, Michele Zoli, Andreas M Grabrucker
A local dyshomeostasis of zinc ions in the vicinity of amyloid aggregates has been proposed in Alzheimer's disease (AD) due to the sequestration of zinc in senile plaques. While an increase in zinc levels may promote the aggregation of amyloid beta (Aβ), increased brain zinc might also be beneficial rescuing some pathological alterations caused by local zinc deficiency. For example, increased Aβ degradation by metalloproteinases, and a reduction in inflammation can be hypothesized. In addition, zinc may allow a stabilization of the number of synapses in AD brains...
December 27, 2017: Journal of Trace Elements in Medicine and Biology
https://www.readbyqxmd.com/read/29325617/wilson-disease-and-related-copper-disorders
#7
Matthew T Lorincz
Copper is a required cofactor for enzymes in critical metabolic pathways. Mutations in copper metabolism genes or abnormalities in copper metabolism result in disease from copper excess or deficiency. Wilson disease (WD) is an autosomal-recessive disease caused by mutations in the ATP7B gene which encodes a copper-transporting ATPase. Over 500 different WD mutations throughout the ATP7B gene have been described, most of which are missense mutations. Mutations in both ATP7B alleles result in abnormal copper metabolism and subsequent toxic accumulation of copper...
2018: Handbook of Clinical Neurology
https://www.readbyqxmd.com/read/29324654/zinc-status-and-autoimmunity-a-systematic-review-and-meta-analysis
#8
REVIEW
Alessandro Sanna, Davide Firinu, Patrizia Zavattari, Paolo Valera
Zinc is an essential trace element for living organisms and their biological processes. Zinc plays a key role in more than 300 enzymes and it is involved in cell communication, proliferation, differentiation and survival. Zinc plays also a role in regulating the immune system with implications in pathologies where zinc deficiency and inflammation are observed. In order to examine the experimental evidence reported in the literature regarding zinc levels in the body of patients with autoimmune disorders compared to control individuals, a systematic review and meta-analysis were performed...
January 11, 2018: Nutrients
https://www.readbyqxmd.com/read/29321173/an-autophagy-independent-role-for-atg41-in-sulfur-metabolism-during-zinc-deficiency
#9
Michael D Bucci, Erin Weisenhorn, Spencer Haws, Zhiyuan Yao, Ginelle Zimmerman, Molly Gannon, Janet Taggart, Traci Lee, Daniel J Klionsky, Jason Russell, Joshua Coon, David J Eide
The Zap1 transcription factor of Saccharomyces cerevisiae is a key regulator in the genomic responses to zinc deficiency. Among the genes regulated by Zap1 during zinc deficiency is the autophagy-related gene ATG41 Here, we report that Atg41 is required for growth in zinc-deficient conditions but not when zinc is abundant or when other metals are limiting. Consistent with a role for Atg41 in macroautophagy, we show that nutritional zinc deficiency induces autophagy and that mutation of ATG41 diminishes that response...
January 10, 2018: Genetics
https://www.readbyqxmd.com/read/29316356/plasma-zinc-levels-in-ecuadorian-mothers-of-infants-with-nonsyndromic-cleft-lip-with-or-without-cleft-palate-a-case-series
#10
Miguel Ángel Jara-Palacios, Angélica Carolina Cornejo, Camila Narváez-Caicedo, Gabriela Moreano, Karla Patricia Vásquez, Cristina Moreno-Izquierdo, Natalia Romero-Sandoval
BACKGROUND: Previous studies have reported an association between maternal zinc deficiency and increased risk of nonsyndromic cleft lip with or without cleft palate (NSCL/P) in offspring. A high prevalence of zinc deficiency and a high prevalence of NSCL/P have been reported in Ecuador. We postulated that mothers of infants with NSCL/P may have lower serum zinc levels than women from the general population. METHODS: A case series study was conducted from November 2013 to July 2016...
January 8, 2018: Birth Defects Research
https://www.readbyqxmd.com/read/29313750/serum-retinol-folic-acid-and-copper-are-associated-with-sperm-abnormalities-in-men-with-obesity
#11
Berniza Calderón, Vital Hevia, Belén Vega-Piñero, Antonia Martín-Hidalgo, Helena Mendez-Del Sol, Héctor F Escobar-Morreale, José I Botella-Carretero
BACKGROUND AND OBJECTIVES: Micronutrients may influence the development and differentiation of sperm cells. The aim of this study was to assess the possible association of deficiencies in several vitamins and trace elements with sperm abnormalities in men with obesity. PARTICIPANTS AND METHODS: Thirty male patients with moderate to severe obesity and ten lean controls who gave written informed consent were included. Anthropometric parameters were recorded. Hormonal and lipid profiles were analyzed, as well as serum concentrations of zinc, copper, retinol, α-tocopherol, 25-hydroxyvitamin D, cobalamin, and folic acid...
January 9, 2018: Journal of the American College of Nutrition
https://www.readbyqxmd.com/read/29303133/relationship-between-zinc-levels-and-anthropometric-indices-among-school-aged-female-children-with-sickle-cell-anemia-in-enugu-nigeria
#12
V O Onukwuli, A N Ikefuna, A R Nwokocha, I J Emodi, C B Eke
BACKGROUND: Sickle cell anaemia is one of the most common inherited disorders globally. Some affected children have retardation of physical growth which is also seen in those with zinc deficiency. OBJECTIVE: To assess the relationship between zinc levels and anthropometric indices of SCA children. METHODS: A cross- sectional, case-control study on young females aged 6-18 years at the UNTH, Enugu. Relevant clinical data as well as 24 hour dietary recall were collected...
November 2017: Nigerian Journal of Clinical Practice
https://www.readbyqxmd.com/read/29296942/gene-edited-pseudogene-resurrection-corrects-p47phox-deficient-chronic-granulomatous-disease
#13
Randall K Merling, Douglas B Kuhns, Colin L Sweeney, Xiaolin Wu, Sandra Burkett, Jessica Chu, Janet Lee, Sherry Koontz, Giovanni Di Pasquale, Sandra A Afione, John A Chiorini, Elizabeth M Kang, Uimook Choi, Suk See De Ravin, Harry L Malech
Pseudogenes are duplicated genes with mutations rendering them nonfunctional. For single-gene disorders with homologous pseudogenes, the pseudogene might be a target for genetic correction. Autosomal-recessive p47phox-deficient chronic granulomatous disease (p47-CGD) is a life-threatening immune deficiency caused by mutations in NCF1, a gene with 2 pseudogenes, NCF1B and NCF1C. The most common NCF1 mutation, a GT deletion (ΔGT) at the start of exon 2 (>90% of alleles), is constitutive to NCF1B and NCF1C...
January 10, 2017: Blood Advances
https://www.readbyqxmd.com/read/29295862/perturbed-bone-composition-and-integrity-with-disorganized-osteoblast-function-in-zinc-receptor-gpr39-deficient-mice
#14
Milena Jovanovic, Felix N Schmidt, Gali Guterman-Ram, Hanifeh Khayyeri, Sahar Hiram-Bab, Ayelet Orenbuch, Svetlana Katchkovsky, Anastasia Aflalo, Hanna Isaksson, Björn Busse, Katharina Jähn, Noam Levaot
Changes in bone matrix composition are frequently found with bone diseases and may be associated with increased fracture risk. Bone is rich in the trace element zinc. Zinc was established to play a significant role in the growth, development, and maintenance of healthy bones; however, the mechanisms underlying zinc effects on the integrity of the skeleton are poorly understood. Here, we show that the zinc receptor (ZnR)/Gpr39 is required for normal bone matrix deposition by osteoblasts. Initial analysis showed that Gpr39-deficient (Gpr39-/- ) mice had weaker bones as a result of altered bone composition...
January 2, 2018: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
https://www.readbyqxmd.com/read/29295546/zinc-in-wound-healing-modulation
#15
REVIEW
Pei-Hui Lin, Matthew Sermersheim, Haichang Li, Peter H U Lee, Steven M Steinberg, Jianjie Ma
Wound care is a major healthcare expenditure. Treatment of burns, surgical and trauma wounds, diabetic lower limb ulcers and skin wounds is a major medical challenge with current therapies largely focused on supportive care measures. Successful wound repair requires a series of tightly coordinated steps including coagulation, inflammation, angiogenesis, new tissue formation and extracellular matrix remodelling. Zinc is an essential trace element (micronutrient) which plays important roles in human physiology...
December 24, 2017: Nutrients
https://www.readbyqxmd.com/read/29289532/zinc-deficiency-via-a-splice-switch-in-zinc-importer-zip2-slc39a2-causes-cystic-fibrosis-associated-muc5ac-hypersecretion-in-airway-epithelial-cells
#16
Shunsuke Kamei, Haruka Fujikawa, Hirofumi Nohara, Keiko Ueno-Shuto, Kasumi Maruta, Ryunosuke Nakashima, Taisei Kawakami, Chizuru Matsumoto, Yuki Sakaguchi, Tomomi Ono, Mary Ann Suico, Richard C Boucher, Dieter C Gruenert, Toru Takeo, Naomi Nakagata, Jian-Dong Li, Hirofumi Kai, Tsuyoshi Shuto
Airway mucus hyperproduction and fluid imbalance are important hallmarks of cystic fibrosis (CF), the most common life-shortening genetic disorder in Caucasians. Dysregulated expression and/or function of airway ion transporters, including cystic fibrosis transmembrane conductance regulator (CFTR) and epithelial sodium channel (ENaC), have been implicated as causes of CF-associated mucus hypersecretory phenotype. However, the contributory roles of other substances and transporters in the regulation of CF airway pathogenesis remain unelucidated...
December 20, 2017: EBioMedicine
https://www.readbyqxmd.com/read/29282618/hair-mineral-and-trace-element-contents-as-reliable-markers-of-nutritional-status-compared-to-serum-levels-of-these-elements-in-children-newly-diagnosed-with-inflammatory-bowel-disease
#17
Jin Min Cho, Hye Ran Yang
Patients with inflammatory bowel disease (IBD) are at high risk for nutritional deficiencies because of long-term inflammation in the gut mucosa and decreased oral intake. Because inflammation responses affect serum micronutrient concentrations, serum levels are limited in reflecting body nutrient status in acute and chronic illness. We investigated the usefulness of measuring trace elements in hair as reliable markers of nutritional status compared to serum levels in children with IBD. We retrospectively analyzed pediatric patients newly diagnosed with Crohn's disease (n = 49) and ulcerative colitis (n = 16) and controls (n = 29) from 2012 to 2016...
December 27, 2017: Biological Trace Element Research
https://www.readbyqxmd.com/read/29281918/how-could-agronomic-biofortification-of-rice-be-an-alternative-strategy-with-higher-cost-effectiveness-for-human-iron-and-zinc-deficiency-in-china
#18
Cheng-Ming Zhang, Wan-Yi Zhao, A-Xiang Gao, Ting-Ting Su, Yan-Kun Wang, Yue-Qiang Zhang, Xin-Bin Zhou, Xin-Hua He
BACKGROUND: Iron and zinc deficiencies affect human health globally, especially in developing countries. Agronomic biofortification, as a strategy for alleviating these issues, has been focused on small-scale field studies, and not widely applied while lacking of cost-effectiveness analysis (CEA). OBJECTIVE: We conducted the CEA of agronomic biofortification, expressed as USD per disability-adjusted life years (DALYs) saved, to recommend a cost-effectiveness strategy that can be widely applied...
January 1, 2017: Food and Nutrition Bulletin
https://www.readbyqxmd.com/read/29280652/dietary-intake-and-zinc-status-in-amyotrophic-lateral-sclerosis-patients
#19
Heloisa Fernanda Lopes da Silva, Acsa Nara Araújo Brito, Erika Paula Silva de Freitas, Mário Emílio Teixeira Dourado, Karine Cavalcanti Maurício Sena-Evangelista, Lucia Leite Lais
BACKGROUND: There is considerable evidence that abnormal zinc homeostasis is related to amyotrophic lateral sclerosis (ALS) pathogenesis, and malnutrition is an independent prognostic factor for worsened survival of ALS patients. OBJECTIVE: To evaluate the dietary intake and zinc status in patients with ALS, treated in a specialized outpatient facility in Natal, Brazil. METHODS: Twenty patients with ALS (case group) and 37 healthy subjects (control group) were included...
October 27, 2017: Nutrición Hospitalaria: Organo Oficial de la Sociedad Española de Nutrición Parenteral y Enteral
https://www.readbyqxmd.com/read/29260510/interventions-for-managing-taste-disturbances
#20
REVIEW
Sumanth Kumbargere Nagraj, Renjith P George, Naresh Shetty, David Levenson, Debra M Ferraiolo, Ashish Shrestha
BACKGROUND: The sense of taste is very much essential to the overall health of an individual. It is a necessary component to enjoy one's food, which in turn provides nutrition to an individual. Any disturbance in taste perception can hamper quality of life in such patients by influencing their appetite, body weight and psychological well-being. Taste disorders have been treated using different modalities of treatment and there is no consensus for the best intervention. Hence this Cochrane Review was undertaken...
December 20, 2017: Cochrane Database of Systematic Reviews
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