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Sułek A, Cacak-Pietrzak G, Różewicz M, Nieróbca A, Grabiński J, Studnicki M, Sujka K, Dziki D. Effect of Production Technology Intensity on the Grain Yield, Protein Content and Amino Acid Profile in Common and Durum Wheat Grain. Plants (Basel) 2023; 12:364. [PMID: 36679077 PMCID: PMC9861265 DOI: 10.3390/plants12020364] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/19/2022] [Revised: 12/31/2022] [Accepted: 01/10/2023] [Indexed: 06/17/2023]
Abstract
Products derived from wheat grains are an important source of protein in the daily diet of people in many parts of the world. The biological value of protein is determined by its amino acid composition and the proportions of the individual amino acids. Synthesis of these compounds in wheat grains is influenced by genetic factors, as well as habitat conditions and the agrotechnology applied in cultivation. The aim of this study was to assess the effect of production technology (integrated, intensive) on the grain yield and the content amino acid profile of protein in common and durum wheat grain. Field research was conducted at the Experimental Station IUNG-PIB in Osiny (Poland) in two growing seasons. It was found that grain yield significantly depended on the weather conditions in the years of harvesting and genotype, but did not depend on the production technology. On the other hand, the protein content and their amino acid composition depended significantly on the production technology and genotype. A significantly higher content of protein substances was found in durum wheat grain. Increasing the intensity of production technology had a positive effect on the total protein content and the content of individual amino acids, both exogenous and endogenous. The amino acid limiting the biological value of protein contained in grains of both wheat species was lysine, and the deficiency of this amino acid was significantly lower in grain protein from intensive than integrated cultivation technology.
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Affiliation(s)
- Alicja Sułek
- Department of Cereal Crop Production, Institute of Soil Science and Plant Cultivation—State Research Institute, 8 Czartoryskich Street, 24-100 Pulawy, Poland
| | - Grażyna Cacak-Pietrzak
- Department of Food Technology and Assessment, Institute of Food Sciences, Warsaw University of Life Science, 159C Nowoursynowska Street, 02-787 Warsaw, Poland
| | - Marcin Różewicz
- Department of Cereal Crop Production, Institute of Soil Science and Plant Cultivation—State Research Institute, 8 Czartoryskich Street, 24-100 Pulawy, Poland
| | - Anna Nieróbca
- Department of Agrometeorology and Applied Informatics, Institute of Soil Science and Plant Cultivation—State Research Institute, 8 Czartoryskich Street, 24-100 Pulawy, Poland
| | - Jerzy Grabiński
- Department of Cereal Crop Production, Institute of Soil Science and Plant Cultivation—State Research Institute, 8 Czartoryskich Street, 24-100 Pulawy, Poland
| | - Marcin Studnicki
- Department of Biometry, Institute of Agriculture, Warsaw University of Life Science, 159 Nowoursynowska Street, 02-776 Warsaw, Poland
| | - Katarzyna Sujka
- Department of Food Technology and Assessment, Institute of Food Sciences, Warsaw University of Life Science, 159C Nowoursynowska Street, 02-787 Warsaw, Poland
| | - Dariusz Dziki
- Department of Thermal Technology and Food Process Engineering, University of Life Sciences in Lublin, 31 Głeboka Street, 20-612 Lublin, Poland
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Sujka K, Cacak-Pietrzak G, Sułek A, Murgrabia K, Dziki D. Buckwheat Hull-Enriched Pasta: Physicochemical and Sensory Properties. Molecules 2022; 27:molecules27134065. [PMID: 35807310 PMCID: PMC9268230 DOI: 10.3390/molecules27134065] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2022] [Revised: 06/21/2022] [Accepted: 06/21/2022] [Indexed: 12/29/2022] Open
Abstract
This work aimed to evaluate the effect of partial replacement of semolina with 0, 1, 5, 10, 15, and 20% of ground buckwheat hull (BH) on the chemical composition, antioxidant properties, color, cooking characteristics, and sensory properties of wheat pasta. Pasta samples were prepared by dough lamination (tagliatelle shape) and dried at 55 °C until the moisture content was 11–12% (wet basis). Analyses of samples showed that the addition of BH caused an increase in fiber content in pasta from 4.31% (control pasta) to 14.15% (pasta with 20% of BH). Moreover, the brightness and yellowness of BH-enriched products were significantly decreased compared to the control sample, and the total color difference ranged from 23.84 (pasta with 1% of BH) to 32.56 (pasta with 15% BH). In addition, a decrease in optimal cooking time, as well as an increased weight index and cooking loss, was observed in BH-enriched pasta samples. Furthermore, BH-enriched cooked pasta had significantly higher total phenolic content and antioxidant activity but an unpleasant smell and taste, especially if the level of BH was higher than 10%.
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Affiliation(s)
- Katarzyna Sujka
- Department of Food Technology and Assessment, Institute of Food Sciences, Warsaw University of Life Sciences, 159C Nowoursynowska Street, 02-776 Warsaw, Poland; (K.S.); (G.C.-P.)
| | - Grażyna Cacak-Pietrzak
- Department of Food Technology and Assessment, Institute of Food Sciences, Warsaw University of Life Sciences, 159C Nowoursynowska Street, 02-776 Warsaw, Poland; (K.S.); (G.C.-P.)
| | - Alicja Sułek
- Department of Cereal Crop Production, Institute of Soil Science and Plant Cultivation—State Research Institute, 8 Czartoryskich Street, 24-100 Puławy, Poland;
| | - Karolina Murgrabia
- Faculty of Food Technology, Warsaw University of Life Sciences, 159C Nowoursynowska Street, 02-776 Warsaw, Poland;
| | - Dariusz Dziki
- Department of Thermal Technology and Food Process Engineering, Lublin University of Life Sciences, Głęboka 31 Street, 20-612 Lublin, Poland
- Correspondence:
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Dziki D, Cacak-Pietrzak G, Hassoon WH, Gawlik-Dziki U, Sułek A, Różyło R, Sugier D. The fruits of sumac (Rhus coriaria L.) as a functional additive and salt replacement to wheat bread. Lebensm Wiss Technol 2021. [DOI: 10.1016/j.lwt.2020.110346] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
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Cacak-Pietrzak G, Różyło R, Dziki D, Gawlik-Dziki U, Sułek A, Biernacka B. Cistus incanus L. as an Innovative Functional Additive to Wheat Bread. Foods 2019; 8:foods8080349. [PMID: 31426333 PMCID: PMC6723803 DOI: 10.3390/foods8080349] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2019] [Revised: 08/12/2019] [Accepted: 08/13/2019] [Indexed: 12/05/2022] Open
Abstract
Cistus incanus L. (CI) has been proposed as an innovative functional supplement of food products, and hence the present study aimed to evaluate the effect of the addition of dried CI on the properties of bread. Bread was prepared from white wheat flour supplemented with the addition of 1%, 2%, 3%, 4%, and 5% of ground CI. After the completion of baking process, various characteristics of the obtained bread product, such as yield, volume, porosity, acidity, color, and texture, were evaluated. In addition, total phenolic content (TPC), ABTS (2,2′-azino-bis(3-ethylbenzothiazoline-6-sulfonic acid) radical scavenging activity, chelating power (CHEL), and ability to quench OH∙ radicals were measured. The results showed that the addition of CI to bread caused a reduction in the volume of bread, but texture of the crumbs was acceptable. Acidity and moisture content of bread were found to be increased following CI enrichment. Significant changes in the ash content and the color of bread crumbs were also observed. Bread incorporated with CI was characterized by significantly higher TPC and much higher antioxidant activity, as measured by ABTS, CHEL, and OH∙ radicals, compared to control bread. Supplementation of bread with 3% CI produced a product with desirable characteristics which was also favored by consumers.
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Affiliation(s)
- Grażyna Cacak-Pietrzak
- Division of Cereal Technology, Faculty of Food Sciences, Warsaw University of Life Sciences, 159C Nowoursynowska St., 02-786 Warsaw, Poland
| | - Renata Różyło
- Department of Food Engineering and Machines, University of Life Sciences in Lublin, 28 Głęboka St., 20-612 Lublin, Poland.
| | - Dariusz Dziki
- Department of Thermal Technology and Food Process Engineering, University of Life Sciences in Lublin, 31 Głęboka St., 20-612 Lublin, Poland
| | - Urszula Gawlik-Dziki
- Department of Biochemistry and Food Chemistry, University of Life Sciences in Lublin, 8 Skromna St., 20-704 Lublin, Poland
| | - Alicja Sułek
- Department of Cereal Crop Production, Institute of Soil Science and Plant Cultivation, 8 Czartoryskich St., 24-100 Puławy, Poland
| | - Beata Biernacka
- Department of Thermal Technology and Food Process Engineering, University of Life Sciences in Lublin, 31 Głęboka St., 20-612 Lublin, Poland
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Dziki D, Cacak-Pietrzak G, Gawlik-Dziki U, Sułek A, Kocira S, Biernacka B. Effect of Moldavian dragonhead (Dracocephalum moldavica L.) leaves on the baking properties of wheat flour and quality of bread. CyTA - Journal of Food 2019. [DOI: 10.1080/19476337.2019.1609587] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Affiliation(s)
- Dariusz Dziki
- Department of Thermal Technology and Food Process Engineering, University of Life Sciences, Lublin, Poland
| | - Grażyna Cacak-Pietrzak
- Division of Cereal Technology, Faculty of Food Sciences, Warsaw University of Life Sciences, Warsaw, Poland
| | - Urszula Gawlik-Dziki
- Department of Biochemistry and Food Chemistry, University of Life Sciences, Lublin, Poland
| | - Alicja Sułek
- Institute of Soil Science and Plant Cultivation – State Research Institute, Department of Cereal Crop Production, Puławy, Poland
| | - Sławomir Kocira
- Department of Machinery Exploitation and Management of Production Processes, University of Life Sciences in Lublin, Lublin, Poland
| | - Beata Biernacka
- Department of Thermal Technology and Food Process Engineering, University of Life Sciences, Lublin, Poland
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Podolska G, Bryła M, Sułek A, Waśkiewicz A, Szymczyk K, Jędrzejczak R. Influence of the cultivar and nitrogen fertilisation level on the mycotoxin contamination in winter wheat. Quality Assurance and Safety of Crops & Foods 2017. [DOI: 10.3920/qas2016.1064] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Affiliation(s)
- G. Podolska
- Department of Cereal Crop Production Institute of Soil Science and Plant Cultivation – State Research Institute, Czartoryskich 8, 24-100 Puławy, Poland
| | - M. Bryła
- Department of Food Analysis, Prof. Waclaw Dabrowski Institute of Agricultural and Food Biotechnology, Rakowiecka 36, 02-532 Warsaw, Poland
| | - A. Sułek
- Department of Cereal Crop Production Institute of Soil Science and Plant Cultivation – State Research Institute, Czartoryskich 8, 24-100 Puławy, Poland
| | - A. Waśkiewicz
- Department of Chemistry, Poznan University of Life Sciences, Wojska Polskiego 75, 60-625 Poznań, Poland
| | - K. Szymczyk
- Department of Food Analysis, Prof. Waclaw Dabrowski Institute of Agricultural and Food Biotechnology, Rakowiecka 36, 02-532 Warsaw, Poland
| | - R. Jędrzejczak
- Department of Food Analysis, Prof. Waclaw Dabrowski Institute of Agricultural and Food Biotechnology, Rakowiecka 36, 02-532 Warsaw, Poland
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Bryła M, Waśkiewicz A, Podolska G, Szymczyk K, Jędrzejczak R, Damaziak K, Sułek A. Occurrence of 26 Mycotoxins in the Grain of Cereals Cultivated in Poland. Toxins (Basel) 2016; 8:E160. [PMID: 27231939 PMCID: PMC4926127 DOI: 10.3390/toxins8060160] [Citation(s) in RCA: 84] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2016] [Revised: 05/16/2016] [Accepted: 05/19/2016] [Indexed: 11/16/2022] Open
Abstract
The levels of 26 mycotoxins were determined in 147 samples of the grain of cereals cultivated in five regions of Poland during the 2014 growing season. The HPLC-HRMS (time-of-flight) analytical technique was used. An analytical procedure to simultaneously determine 26 mycotoxins in grain was developed, tested and verified. Samples from eastern and southern Poland were more contaminated with mycotoxins than the samples from northern and western Poland. Toxins produced by Fusarium fungi were the main contaminants found. Some deoxynivalenol (DON) was found in 100% of the tested samples of wheat (Osiny, Borusowa, Werbkowice), triticale, winter barley and oats, while the maximum permissible DON level (as defined in the EU Commission Regulation No. 1881/2006) was exceeded in 10 samples. Zearalenone (ZEN), DON metabolites and enniatins were also commonly found. The presence of mycotoxins in grain reflected the prevailing weather conditions during the plant flowering/earing stages, which were favorable for the development of blight. Among all investigated wheat genotypes, cv. Fidelius was the least contaminated, while Bamberka, Forkida and Kampana were the most contaminated. However, the single-factor ANOVA analysis of variance did not reveal (at a statistical significance level α = 0.05) any differences between levels of mycotoxins in individual genotypes. Triticale was the most contaminated grain among all of the tested varieties. ZEN, DON and the sum of 3-acetyldexynivalenol and 15-acetyldeoxynivalenol (3- and 15-ADON) were found in 100% of the tested triticale samples at concentrations within the 4-86, 196-1326 and 36-374 µg·kg(-1) range, respectively. Of particular concern was the fact that some "emerging mycotoxins" (enniatins) (in addition to commonly-known and legally-regulated mycotoxins) were also found in the tested triticale samples (enniatin B (Enn-B), enniatin B1 (Enn-B1), enniatin A-1 (Enn-A1), 100% of samples, and enniatin A (Enn-A), 70% of samples). Depending on the toxin, they were found at levels between 8 and 3328 µg·kg(-1).
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Affiliation(s)
- Marcin Bryła
- Department of Food Analysis, Prof. Waclaw Dabrowski Institute of Agricultural and Food Biotechnology, Rakowiecka 36, 02-532 Warsaw, Poland.
| | - Agnieszka Waśkiewicz
- Department of Chemistry, Poznan University of Life Sciences, Wojska Polskiego 75, 60-625 Poznań, Poland.
| | - Grażyna Podolska
- Institute of Soil Science and Plant Cultivation - State Research Institute, Department of Cereal Crop Production, Czartoryskich 8, 24-100 Puławy, Poland.
| | - Krystyna Szymczyk
- Department of Food Analysis, Prof. Waclaw Dabrowski Institute of Agricultural and Food Biotechnology, Rakowiecka 36, 02-532 Warsaw, Poland.
| | - Renata Jędrzejczak
- Department of Food Analysis, Prof. Waclaw Dabrowski Institute of Agricultural and Food Biotechnology, Rakowiecka 36, 02-532 Warsaw, Poland.
| | - Krzysztof Damaziak
- Department of Poultry Science, University of Life Sciences, Ciszewskiego 8, 02-786 Warsaw, Poland.
| | - Alicja Sułek
- Institute of Soil Science and Plant Cultivation - State Research Institute, Department of Cereal Crop Production, Czartoryskich 8, 24-100 Puławy, Poland.
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Czaban J, Wróblewska B, Sułek A, Mikos M, Boguszewska E, Podolska G, Nieróbca A. Colonisation of winter wheat grain by Fusarium spp. and mycotoxin content as dependent on a wheat variety, crop rotation, a crop management system and weather conditions. Food Addit Contam Part A Chem Anal Control Expo Risk Assess 2015; 32:874-910. [PMID: 25705931 DOI: 10.1080/19440049.2015.1019939] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Abstract
Field experiments were conducted during three consecutive growing seasons (2007/08, 2008/09 and 2009/10) with four winter wheat (Triticum aestivum L.) cultivars - 'Bogatka', 'Kris', 'Satyna' and 'Tonacja' - grown on fields with a three-field crop rotation (winter triticale, spring barley, winter wheat) and in a four-field crop rotation experiment (spring wheat, spring cereals, winter rapeseed, winter wheat). After the harvest, kernels were surface disinfected with 2% NaOCl and then analysed for the internal infection by different species of Fusarium. Fusaria were isolated on Czapek-Dox iprodione dichloran agar medium and identified on the basis of macro- and micro-morphology on potato dextrose agar and synthetic nutrient agar media. The total wheat grain infection by Fusarium depended mainly on relative humidity (RH) and a rainfall during the flowering stage. Intensive rainfall and high RH in 2009 and 2010 in the period meant the proportions of infected kernels by the fungi were much higher than those in 2008 (lack of precipitation during anthesis). Weather conditions during the post-anthesis period changed the species composition of Fusarium communities internally colonising winter wheat grain. The cultivars significantly varied in the proportion of infected kernels by Fusarium spp. The growing season and type of crop rotation had a distinct effect on species composition of Fusarium communities colonising the grain inside. A trend of a higher percentage of the colonised kernels by the fungi in the grain from the systems using more fertilisers and pesticides as well as the buried straw could be perceived. The most frequent species in the grain were F. avenaceum, F. tricinctum and F. poae in 2008, and F. avenaceum, F. graminearum, F. tricinctum and F. poae in 2009 and 2010. The contents of deoxynivalenol and zearalenon in the grain were correlated with the percentage of kernels colonised by F. graminearum and were the highest in 2009 in the grain from the four-field crop rotation. The content of T-2/HT-2 toxins was the highest in 2010 in grain from the three-field crop rotation and it was correlated with the isolation frequency of F. langsethiae.
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Affiliation(s)
- Janusz Czaban
- a Department of Agricultural Microbiology , Institute of Soil Science and Plant Cultivation - State Research Institute , Puławy , Poland
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Rakowicz M, Stępniak I, Elert E, Sobańska A, Łojkowska W, Sułek A, Poniatowska R, Antczak J, Makowicz G, Zalewska U, Więcławska M. P878: Incidence of functional alterations of somatosensory pathways in the hereditary spastic paraplegia SPG4. Clin Neurophysiol 2014. [DOI: 10.1016/s1388-2457(14)50910-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Rakowicz M, Czerwosz L, Sułek A, Rola R, Stępniak I, Zdzienicka E, Jakubczyk T. 1.321 IMBALANCE ASSESSMENT IN PREMANIFEST AND SYMPTOMATIC SPINOCEREBELLAR ATAXIA PATIENTS – THE USEFULNESS OF STATIC POSTUROGRAPHY. Parkinsonism Relat Disord 2012. [DOI: 10.1016/s1353-8020(11)70379-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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Wehr H, Bednarska-Makaruk M, Łojkowska W, Graban A, Hoffman-Zacharska D, Kuczyńska-Zardzewiały A, Mrugała J, Rodo M, Bochyńska A, Sułek A, Ryglewicz D. Differences in risk factors for dementia with neurodegenerative traits and for vascular dementia. Dement Geriatr Cogn Disord 2006; 22:1-7. [PMID: 16645274 DOI: 10.1159/000092845] [Citation(s) in RCA: 28] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 06/01/2005] [Indexed: 11/19/2022] Open
Abstract
In 229 patients with dementia and in 144 control subjects, polymorphisms of apolipoprotein E (ApoE), low-density-lipoprotein (LDL)-receptor-related protein, alpha(2)-macroglobulin, interleukin (IL) 1beta, angiotensin-converting enzyme and of methylene tetrahydrofolate reductase genes were investigated. In plasma, antibodies against Chlamydia pneumoniae and lipids were determined. Dementia was classified as probable Alzheimer's disease (AD), probable dementia of vascular origin (VaD) and mixed dementia (MD). An association of the disease with ApoE and IL-1beta polymorphism and increased levels of LDL cholesterol were observed in AD and in MD but not in VaD.
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Affiliation(s)
- H Wehr
- Department of Genetic, Institute of Psychiatry and Neurology, Warsaw, Poland.
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Popowska E, Pronicka E, Sułek A, Jurkiewicz D, Rowińska E, Sykut-Cegielska J, Rump Z, Arasimowicz E, Krajewska-Walasek M. X-linked hypophosphatemia in Polish patients. 2. Analysis of clinical features and genotype-phenotype correlation. J Appl Genet 2001; 42:73-88. [PMID: 14564066] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/27/2023]
Abstract
Clinical and molecular data of 59 affected persons from 36 unrelated families with XLH (36 probands and 23 members of their families) were analysed. Characteristic phenotypic features (degree of leg deformities, growth failure, tooth abnormalities, tubular reabsorption of phosphate, serum phosphate and 1,25-dihydroxyvitamin D3 concentrations, head length and hearing defect in some cases) were assessed in relation to the type and localisation of 29 different PHEX gene mutations. The severity of clinical symptoms did not strictly depend upon the type and localisation of the PHEX gene mutation. A hearing defect was correlated with mutations in the beginning fragment, while tooth abnormalities and increased head length with the mutations in the beginning and the terminal fragment of the gene. Phosphate and vitamin D3 supplementation usually slowed progressive growth retardation and leg bowing. Our results point to the probability that alternative splicing occurs in the PHEX gene, producing several active forms of the PHEX protein. Some of them might be involved in bone turnover and dentin formation, others in renal phosphate uptake and vitamin D3 metabolism.
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Affiliation(s)
- E Popowska
- Department of Medical Genetics, Children's Memorial Health Institute, Warszawa, Poland.
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Popowska E, Pronicka E, Sułek A, Jurkiewicz D, Rowe P, Rowinska E, Krajewska-Walasek M. X-linked hypophosphatemia in Polish patients. 1. Mutations in the PHEX gene. J Appl Genet 2000; 41:293-302. [PMID: 14564077] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/27/2023]
Abstract
We present twenty-nine PHEX gene mutations extending our previous work, giving it to a total of 37 different mutations identified in Polish patients with familial or sporadic X-linked hypophosphatemia. Deletions, insertions and nucleotide substitutions leading to frameshift (27%), stop codon (29%), splice site (24%), and missense mutations (20%) were found. The mutations are distributed along the gene; exons 3, 4, 11, 12, 14, 15, 17, 20 and 22 are regions with the most frequent mutation events. Four mutations, P534L, G579R, R549X and IVS15+1nt, recurred in three, four, two and three unrelated patients, respectively. They have also been detected in affected persons from other countries. Twenty-eight mutations are specific for Polish population and almost all of them are unique. Most of the identified mutations are expected to result in major changes in protein structure and/or function.
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Affiliation(s)
- E Popowska
- Department of Medical Genetics, Children's Memorial Health Institute, Al. Dzieci Polskich 20, 04-736 Warsaw Poland.
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Sułek A. [Molecular aspects of familial hypophosphatemic rickets]. Med Wieku Rozwoj 1999; 3:97-112. [PMID: 10910642] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/17/2023]
Abstract
Familial hypophosphataemic rickets (XLH) is an X-linked dominant disorder resulting in hypophosphataemia, abnormal regulation of 25-hydroxy vitamin D metabolism, elevated activity of alkaline phosphatase, bone deformities and short stature. In 1995-97 the sequence of PEX gene responsible for the disease was established. The PEX gene spreads 24.3 kb and includes 22 small exons coding a protein belonging to a neutral endopeptidase family. Function of the protein is not known yet. Mutation analysis in patients from North America, Africa and Europe (including Poland) revealed the presence of many different types of the PEX gene mutations. Identified deletions, insertions and substitution are supposed to change the structure of the PEX protein. Active form of vitamin D3, 1-alpha-hydroxylase and phosphate supplementation are now the recommended treatment of XLH patients. Further research is necessary to understand the role of the PEX protein in the pathogenesis of hypophosphatamic rickets.
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Affiliation(s)
- A Sułek
- Zakład Genetyki Medycznej, Instytut-Pomnik Centrum Zdrowia Dziecka Warszawa-Miedzylesie
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Sułek A. Paul Lazarsfeld and Polish sociology: a historical record of contact, perception, and impact. J Hist Behav Sci 1998; 34:367-380. [PMID: 9809456 DOI: 10.1002/(sici)1520-6696(199823)34:4<367::aid-jhbs2>3.0.co;2-f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
Abstract
This paper records the Polish aspects of P. F. Lazarsfeld's sociointellectual biography and examines his impact on Polish sociology. The analysis is divided into three chronological parts. In the 1930s, Lazarsfeld's empirical work inspired Polish sociologists in their studies on unemployment. In the late 1950s and 1960s, his model of empirical social research shaped the style of sociological practice in Poland. In the 1990s, some of Lazarsfeld's substantive contributions, mainly in the area of election studies, were taken up in Polish sociology. Lazarsfeld's influence on Polish sociology was conditioned by changes in Polish society and sociology, which is emphasized in this analysis.
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Affiliation(s)
- A Sułek
- Institute of Sociology, University of Warsaw, Poland
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