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Zinc deficience

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https://www.readbyqxmd.com/read/29149619/association-of-snps-in-genes-encoding-zinc-transporters-on-blood-zinc-levels-in-humans
#1
Junko Fujihara, Toshihiro Yasuda, Kaori Kimura-Kataoka, Yoshikazu Takinami, Masataka Nagao, Haruo Takeshita
Zinc homeostasis in cells depends on zinc transporters, which are divided into 2 families: ZnT (SLC30A) and ZIP (SLC39A). In this study, we examined the effect of 20 single nucleotide polymorphisms (SNPs) in 10 genes encoding zinc transporters on blood zinc concentration in Japanese subjects (n = 102). Blood zinc levels were determined by microwave plasma-atomic emission spectrometry, and SNPs were analyzed by polymerase chain reaction followed by restriction fragment length polymorphism analysis. Among the 20 SNPs examined, 3 SNPs (SLC30A3 rs11126936, SLC39A8 rs233804, and SLC39A14 rs4872479) were significantly associated with blood zinc concentration...
November 9, 2017: Legal Medicine
https://www.readbyqxmd.com/read/29148959/effect-of-measuring-%C3%AE-glutamyl-transpeptidase-and-using-smoflipid-in-a-parenteral-nutrition-infusion-in-a-patient-with-severe-malabsorption-and-overlapping-primary-sclerosing-cholangitis-and-ulcerative-colitis
#2
Merin Kinikini
Studies discussing inflammation and oxidative stress state that these conditions are known contributors in the pathogenesis of cholestatic diseases and ulcerative colitis, and studies examining patients with liver disease have found decreased antioxidant status and significant elevation of lipid peroxides as compared with healthy subjects. One hypothesis in liver disease is that deficient antioxidant defense mechanisms may lead to excess oxygen free radical formation, which promotes deleterious processes in the liver...
November 1, 2017: JPEN. Journal of Parenteral and Enteral Nutrition
https://www.readbyqxmd.com/read/29148143/leaf-cell-membrane-stability-based-mechanisms-of-zinc-nutrient-in-mitigation-of-salinity-stress-in-rice
#3
Abdullah Tufail, Hong Li, Asif Naeem, Tingxian Li
Excess salts affect about 955 million ha of total arable lands worldwide and 49% of agricultural lands are Zn deficient. Soil salinity and zinc deficiency can intensify plant abiotic stress. The mechanisms by which Zn nutrients can mitigate salinity effects on plant functions are not well understood. We conducted an experiment to determine the zinc and salinity effects on rice plant retention of Zn, macronutrient potassium (K) and salt ion Na, chlorophyll formation, leaf cell membrane stability and grain yield, and to examine the mechanisms of zinc nutrition in mitigating salinity stress on plant physiological and nutritional aspects...
November 16, 2017: Plant Biology
https://www.readbyqxmd.com/read/29143766/assessment-of-micronutrient-status-in-critically-ill-children-challenges-and-opportunities
#4
REVIEW
Duy T Dao, Lorenzo Anez-Bustillos, Bennet S Cho, Zhilling Li, Mark Puder, Kathleen M Gura
Micronutrients refer to a group of organic vitamins and inorganic trace elements that serve many functions in metabolism. Assessment of micronutrient status in critically ill children is challenging due to many complicating factors, such as evolving metabolic demands, immature organ function, and varying methods of feeding that affect nutritional dietary intake. Determination of micronutrient status, especially in children, usually relies on a combination of biomarkers, with only a few having been established as a gold standard...
October 28, 2017: Nutrients
https://www.readbyqxmd.com/read/29143460/transient-neonatal-zinc-deficiency-in-exclusively-breastfed-preterm-infants
#5
Lauren Watson, David Cartwright, Luke A Jardine, David Pincus, Pieter Koorts, Sebastien Kury, Stephanie Bezieau, Shane George, Susan Moloney, Johanna Holt, David Coman
No abstract text is available yet for this article.
November 16, 2017: Journal of Paediatrics and Child Health
https://www.readbyqxmd.com/read/29141752/differences-in-nutritional-and-health-status-in-school-children-from-the-highlands-and-lowlands-of-bolivia
#6
Graciela Terán, Washington Cuna, Froilán Brañez, Kristina E M Persson, Martín E Rottenberg, Susanne Nylén, Celeste Rodriguez
Children in the Bolivian Andes are exposed to endemic infections and meager nourishment, and live under poor hygienic conditions. The prevention of children malnutrition is a priority in many countries including Bolivia. In this study, the health status of schoolchildren in Taraco, a Puna district, at 4,000 meters above sea level (masl) and in Caranavi, at 650 masl in the wealthier subtropical valleys, was compared. The weight, height, and hematological and biochemical parameters in blood, parasites in stool, and clinical information in 120 children from rural Taraco and in 96 from semi-urban Caranavi, both predominantly of Aymara ethnicity, were registered...
November 6, 2017: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/29137232/integration-of-metabolomics-transcriptomics-and-microrna-expression-profiling-reveals-a-mir-143-hk2-glucose-network-underlying-zinc-deficiency-associated-esophageal-neoplasia
#7
Louise Y Fong, Ruiyan Jing, Karl J Smalley, Cristian Taccioli, Johannes Fahrmann, Dinesh K Barupal, Hansjuerg Alder, John L Farber, Oliver Fiehn, Carlo M Croce
Esophageal squamous cell carcinoma (ESCC) in humans is a deadly disease associated with dietary zinc (Zn)-deficiency. In the rat esophagus, Zn-deficiency induces cell proliferation, alters mRNA and microRNA gene expression, and promotes ESCC. We investigated whether Zn-deficiency alters cell metabolism by evaluating metabolomic profiles of esophageal epithelia from Zn-deficient and replenished rats vs sufficient rats, using untargeted gas chromatography time-of-flight mass spectrometry (n = 8/group). The Zn-deficient proliferative esophagus exhibits a distinct metabolic profile with glucose down 153-fold and lactic acid up 1...
October 10, 2017: Oncotarget
https://www.readbyqxmd.com/read/29134119/identification-of-membrane-proteome-of-paracoccidioides-lutzii-and-its-regulation-by-zinc
#8
Juliana Santana de Curcio, Marielle Garcia Silva, Mirelle Garcia Silva Bailão, Sônia Nair Báo, Luciana Casaletti, Alexandre Mello Bailão, Célia Maria de Almeida Soares
Aim: During infection development in the host, Paracoccidioides spp. faces the deprivation of micronutrients, a mechanism called nutritional immunity. This condition induces the remodeling of proteins present in different metabolic pathways. Therefore, we attempted to identify membrane proteins and their regulation by zinc in Paracoccidioides lutzii. Materials & methods: Membranes enriched fraction of yeast cells of P. lutzii were isolated, purified and identified by 2D LC-MS/MS detection and database search...
November 2017: Future Science OA
https://www.readbyqxmd.com/read/29133437/abnormal-microglia-and-enhanced-inflammation-related-gene-transcription-in-mice-with-conditional-deletion-of-ctcf-in-camk2a-cre-expressing-neurons
#9
Bryan E McGill, Ruteja A Barve, Susan E Maloney, Amy Strickland, Nicholas Rensing, Peter Wang, Michael Wong, Richard Head, David F Wozniak, Jeffrey Milbrandt
CCCTC-binding factor (CTCF) is an 11 zinc finger DNA-binding domain protein that regulates gene expression by modifying three dimensional chromatin structure. Human mutations in CTCF cause intellectual disability and autistic features. Knocking out Ctcf in mouse embryonic neurons is lethal by neonatal age, but the effects of CTCF deficiency in postnatal neurons are less well studied. We knocked out Ctcf postnatally in glutamatergic forebrain neurons under the control of Camk2a-CreCtcf(loxP/loxP) ;Camk2a-Cre+ (Ctcf CKO) mice of both sexes were viable and exhibited profound deficits in spatial learning/memory, impaired motor co-ordination, and decreased sociability by 4 months of age...
November 13, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/29131489/evaluation-of-the-serum-zinc-level-in-adult-patients-with-melasma-is-there-a-relationship-with-serum-zinc-deficiency-and-melasma
#10
Majid Rostami Mogaddam, Nastaran Safavi Ardabili, Manouchehr Iranparvar Alamdari, Nasrollah Maleki, Maryam Aghabalaei Danesh
BACKGROUND: Melasma is a common acquired hypermelanosis of sun-exposed skin, particularly on the face, which presents as symmetric, light- to gray-brown-colored macules and patches. There are several studies of serum zinc levels in cutaneous disorders. So far, no studies have been carried out to assess the serum zinc level in patients with melasma. The aim of this study is to determine the serum zinc level in patients with melasma compared to healthy subjects. MATERIALS AND METHODS: A total of 118 patients with melasma and 118 healthy controls were enrolled in this prospective cross-sectional study...
November 12, 2017: Journal of Cosmetic Dermatology
https://www.readbyqxmd.com/read/29129814/zinc-deficiency-promotes-cystitis-related-bladder-pain-by-enhancing-function-and-expression-of-cav3-2-in-mice
#11
Tomoka Ozaki, Junki Matsuoka, Maho Tsubota, Shiori Tomita, Fumiko Sekiguchi, Takeshi Minami, Atsufumi Kawabata
Cav3.2 T-type Ca(2+) channel activity is suppressed by zinc that binds to the extracellular histidine-191 of Cav3.2, and enhanced by H2S that interacts with zinc. Cav3.2 in nociceptors is upregulated in an activity-dependent manner. The enhanced Cav3.2 activity by H2S formed by the upregulated cystathionine-γ-lyase (CSE) is involved in the cyclophosphamide (CPA)-induced cystitis-related bladder pain in mice. We thus asked if zinc deficiency affects the cystitis-related bladder pain in mice by altering Cav3...
November 9, 2017: Toxicology
https://www.readbyqxmd.com/read/29125237/toenail-mineral-concentration-and-risk-of-esophageal-squamous-cell-carcinoma-results-from-the-golestan-cohort-study
#12
Maryam Hashemian, Gwen Murphy, Arash Etemadi, Hossein Poustchi, John D Brockman, Farin Kamangar, Akram Pourshams, Masoud Khoshnia, Abdolsamad Gharavi, Sanford M Dawsey, Paul J Brennan, Paolo Boffetta, Azita Hekmatdoost, Reza Malekzadeh, Christian C Abnet
Studies conducted in China linked selenium deficiency to higher risk of esophageal squamous cell carcinoma (ESCC), but this has not been widely tested outside that selenium-deficient region. The aim of this study was to investigate the association between selenium and other mineral concentrations in toenails and risk of ESCC in a region with high incidence rates. In this nested case-control study, we identified 222 cases of ESCC from the Golestan Cohort Study, Iran, which has followed up 50,045 participants since enrollment (2004-2008)...
November 10, 2017: Cancer Medicine
https://www.readbyqxmd.com/read/29123159/zinc-is-a-critical-regulator-of-placental-morphogenesis-and-maternal-hemodynamics-during-pregnancy-in-mice
#13
Rebecca L Wilson, Shalem Y Leemaqz, Zona Goh, Dale McAninch, Tanja Jankovic-Karasoulos, Gabriela E Leghi, Jessica A Phillips, Katrina Mirabito Colafella, Cuong Tran, Sean O'Leary, Sam Buckberry, Stephen Pederson, Sarah A Robertson, Tina Bianco-Miotto, Claire T Roberts
Zinc is an essential micronutrient in pregnancy and zinc deficiency impairs fetal growth. We used a mouse model of moderate zinc deficiency to investigate the physiological mechanisms by which zinc is important to placental morphogenesis and the maternal blood pressure changes during pregnancy. A 26% reduction in circulating zinc (P = 0.005) was exhibited in mice fed a moderately zinc-deficient diet. Zinc deficiency in pregnancy resulted in an 8% reduction in both near term fetal and placental weights (both P < 0...
November 9, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29122677/inducible-knockdown-of-procollagen-i-protects-mice-from-liver-fibrosis-and-leads-to-dysregulated-matrix-genes-and-attenuated-inflammation
#14
Olena Molokanova, Kai Schönig, Shih-Yen Weng, Xiaoyu Wang, Matthias Bros, Mustafa Diken, Svetlana Ohngemach, Morten Karsdal, Dennis Strand, Alexei Nikolaev, Leonid Eshkind, Detlef Schuppan
Organ fibrosis is characterized by a chronic wound-healing response, with excess deposition of extracellular matrix components. Here, collagen type I represents the most abundant scar component and a primary target for antifibrotic therapies. Liver fibrosis can progress to cirrhosis and primary liver cancer, which are the major causes of liver related morbidity and mortality. However, a (pro-)collagen type I specific therapy remains difficult and its therapeutic abrogation may incur unwanted side effects. We therefore designed tetracycline-regulated procollagen alpha1(I) short hairpin (sh)RNA expressing mice that permit a highly efficient inducible knockdown of the procollagen alpha1(I) gene in activated (myo-)fibroblasts, to study the effect of induced procollagen type I deficiency...
November 6, 2017: Matrix Biology: Journal of the International Society for Matrix Biology
https://www.readbyqxmd.com/read/29116164/zinc-enhances-the-cellular-energy-supply-to-improve-cell-motility-and-restore-impaired-energetic-metabolism-in-a-toxic-environment-induced-by-ota
#15
Xuan Yang, Haomiao Wang, Chuchu Huang, Xiaoyun He, Wentao Xu, Yunbo Luo, Kunlun Huang
Exogenous nutrient elements modulate the energetic metabolism responses that are prerequisites for cellular homeostasis and metabolic physiology. Although zinc is important in oxidative stress and cytoprotection processes, its role in the regulation of energetic metabolism remains largely unknown. In this study, we found that zinc stimulated aspect in cell motility and was essential in restoring the Ochratoxin A (OTA)-induced energetic metabolism damage in HEK293 cells. Moreover, using zinc supplementation and zinc deficiency models, we observed that zinc is conducive to mitochondrial pyruvate transport, oxidative phosphorylation, carbohydrate metabolism, lipid metabolism and ultimate energy metabolism in both normal and toxic-induced oxidative stress conditions in vitro, and it plays an important role in restoring impaired energetic metabolism...
November 7, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29114147/malaria-induced-anaemia-and-serum-micronutrients-in-asymptomatic-plasmodium-falciparum-infected-patients
#16
Babamale O Abdulkareem, Abdulkareem O Adam, Akande O Ahmed, Afolayan A Mariam, Ugbomoiko U Samuel
Interaction between malaria, anaemia and malnutrition is poorly understood in asymptomatic malaria patients. This information is important in the management of malaria infection in many endemic regions in sub-Saharan Africa. Malaria parasitaemia, full blood counts and serum levels of essential micronutrients particularly iron (Fe), zinc (Zn) and copper (Cu) of the patients attending Health Centres in Ilorin, Kwara state were investigated using microscope, auto-haemanalyzer and atomic absorption spectrophotometer respectively...
December 2017: Journal of Parasitic Diseases: Official Organ of the Indian Society for Parasitology
https://www.readbyqxmd.com/read/29114036/zinc-transporter-2-interacts-with-vacuolar-atpase-and-is-required-for-polarization-vesicle-acidification-and-secretion-in-mammary-epithelial-cells
#17
Sooyeon Lee, Olivia C Rivera, Shannon L Kelleher
An important feature of the mammary gland is its ability to undergo profound morphological, physiological, and intracellular changes to establish and maintain secretory function. During this process, key polarity proteins and receptors are recruited to the surface of mammary epithelial cells (MECs), and the vesicle transport system develops and matures. However, the intracellular mechanisms responsible for the development of secretory function in these cells are unclear. The vesicular zinc (Zn) transporter ZnT2 is critical for appropriate mammary gland architecture, and ZnT2 deletion is associated with cytoplasmic Zn accumulation, loss of secretory function and lactation failure...
November 7, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/29094796/severely-inadequate-micronutrient-intake-among-children-9-24%C3%A2-months-in-nepal-the-mal-ed-birth-cohort-study
#18
Marianne S Morseth, Liv Elin Torheim, Ram K Chandyo, Manjeswori Ulak, Sanjaya K Shrestha, Binob Shrestha, Are Hugo Pripp, Sigrun Henjum
Prevalence of micronutrient deficiencies is high among infants and children in low- and middle income countries, but knowledge about nutrient adequacy across the complementary feeding period is limited. We investigated probability of adequacy (PA) of breast milk and complementary food combined and nutrient density adequacy (NDA) of complementary food and tracking of NDA over time among 229 children from 9-24 months of age in Bhaktapur, Nepal. Monthly, 24 h dietary recalls (16 in total) were performed and subgrouped into four 4-month time periods...
November 2, 2017: Maternal & Child Nutrition
https://www.readbyqxmd.com/read/29093728/qtl-mapping-of-grain-zn-and-fe-concentrations-in-two-hexaploid-wheat-ril-populations-with-ample-transgressive-segregation
#19
Leonardo A Crespo-Herrera, Velu Govindan, James Stangoulis, Yuanfeng Hao, Ravi P Singh
More than 50% of undernourished children live in Asia and more than 25% live in Africa. Coupled with an inadequate food supply, mineral deficiencies are widespread in these populations; particularly zinc (Zn) and iron (Fe) deficiencies that lead to retarded growth, adverse effects on both the immune system and an individual's cognitive abilities. Biofortification is one solution aimed at reducing the incidence of these deficiencies. To efficiently breed a biofortified wheat variety, it is important to generate knowledge of the genomic regions associated with grain Zn (GZn) and Fe (GFe) concentration...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/29091723/biomarker-profiling-in-reef-corals-of-tonga-s-ha-apai-and-vava-u-archipelagos
#20
Anderson B Mayfield, Chii-Shiarng Chen, Alexandra C Dempsey
Given the significant threats towards Earth's coral reefs, there is an urgent need to document the current physiological condition of the resident organisms, particularly the reef-building scleractinians themselves. Unfortunately, most of the planet's reefs are understudied, and some have yet to be seen. For instance, the Kingdom of Tonga possesses an extensive reef system, with thousands of hectares of unobserved reefs; little is known about their ecology, nor is there any information on the health of the resident corals...
2017: PloS One
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